Technology determines the lead，Service, details determine the brand!
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A, large-scale technological upgrading the technology of heat treatment equipment
There is an old saying in China "to do a good job, must first sharpen his". Machinery industry shows that the development of advanced equipment and manufacturing technology is the key to the development of the modern mechanical industry, heat treatment equipment and technology is used to improve the mechanical performance of products "weapon", is an important part of advanced machinery and equipment is necessary.
Ten years ago, the technology and equipment of the heat treatment industry of our country is very backward, and then the heat treatment equipment is more than ten units, but the proportion of controlled atmosphere and other advanced equipment is less than 10%, most of the heat treatment of heat treatment of the enterprise, with three, forty years old furnace furnace life (box, pit type, salt bath furnace), heat treatment process for the manual operation, heat treatment quality is difficult to guarantee. Three high one low (high energy consumption, high pollution, high cost and low quality) phenomenon is heartbreaking.
In order to change the backwardness of the heat treatment in our country, in the promotion of low carbon, energy conservation and emission reduction policy, especially in the automotive, aviation, Marine, light rail, high-speed railway, heavy machinery, and wind power industry large-scale technological transformation, the heat treatment industry in our country is undergoing great changes in recent years, these changes are mainly in the following respects:
1. The enterprise large-scale technological transformation and equipment renewal, make fundamental changes have taken place in the proportion of the advanced equipment, the proportion of controlled atmosphere, and protection of the atmosphere and equipment has reached more than 90%. Basically achieved less without oxidation, less pollution, less distortion, less waste, less without artificial, less quality dispersed advanced heat treatment production.
2. These new type of heat treatment equipment, widely used energy saving materials and imported accessories, a large number of international brands of advanced control instrument, components, pipe valve switch form a complete set of application, improve the reliability of the equipment, improve the heat treatment of intelligence, unmanned control and management level.
3. In recent years, using international advanced index of national standard, line standard promulgated and corporate mark, promoted the heat treatment equipment and technology constantly updated and technological progress. To improve the efficiency of the heat treatment production, at the same time also promoted to reduce energy consumption, reduce and contain the "three wastes" emissions.
These technical enterprises in the selection of equipment, some of them are high import advanced equipment, some of them are wholly owned, and some is domestic production of some enterprises, it is worth noting that the domestic equipment and imported or wholly-owned products compete, unexpectedly has achieved high grades. In the performance index, using reliability, energy consumption index, and degree of automation and imported equipment, even there are a number of indicators is better than that of owned products. And domestic equipment price is far lower than the imported and owned products. On the technical enterprises in the investment and use cost obtained significant savings.
Many large domestic enterprises large-scale technical transformation measures, are quietly heat treatment status quo of Chinese history. At present, although these advanced heat treatment equipment is not well spread across the country, but we are confident that: as long as we are committed to the promotion, is committed to excellence continuously improve the performance of heat treatment equipment, dedicated to provide users with quality service, always believe in the near future, advanced domestic equipment will replace the old old furnace, make energy consumption and energy saving fields, polluting enterprises into clean factory. Take the heat treatment industry in our country finally go to the top of the world.
Second, denon company committed to the "weapon"
Denon company (TLON) as a private high-tech enterprises, from the establishment of the day, the manufacturing precision, energy-saving, environmental protection "of heat treatment equipment as their own lofty mission. In the process of product development, the company for the independent development of products research and development direction of the "three full" : (1) product one hundred percent the controlled atmosphere, protective atmosphere; 2 lining one hundred percent energy-saving materials; One hundred percent (3) the key parts adopt international famous brand components. Wholeheartedly committed to the r&d of high automation, high precision, high reliability, accord with environmental protection, clean energy saving heat treatment equipment. In negotiation with the customer, and always with domestic and foreign advanced standards strict with oneself, insist to provide users with the best heat treatment equipment.
Companies always adhere to independent development, make the core technology of TLON road, has a number of patented technology, has solved the controlled atmosphere heat treatment equipment and process in energy saving, high efficiency, environmental protection, safety technical problems. Formed the core competitiveness of the products and technology patents.
To improve product technical level unceasingly, denon (TLON) with Germany's STANGE, CEC companies in the United States, Canada, Germany, PE company NITREX company cooperation, constantly introducing and applying the latest and the most advanced technology, developed to adapt to the situation of China energy conservation and new products.
Company was set up for eight years, successively provides users with hundreds of sets of advanced technology of energy saving products, won the user's high praise. Draco leading products "large controlled atmosphere well type carburizing furnace production line" now occupies more than 70% market share in China. Has been in the service of "meteorological, double, baosteel Su Ye, hangzhou tooth, wazhou, citic juki, zhenhua heavy industries, sinosteel juki, northern heavy industries, established by shaanxi qinchuan machinery development, dalian huarui" such as national key large enterprise. These companies also significantly reduces the energy consumption of heat treatment, reduce the pollution to the environment. By denon company responsible for drafting the "large large well type controlled atmosphere carburizing heat treatment furnace production line technical requirements" national industry standards, has passed the review of national standards and industry, and will be formally promulgated in 2010.
Draco's main energy saving products include controlled atmosphere multi-purpose furnace production line (seal the bottom of the box type, through type, charging vertical), controlled atmosphere nitriding furnace production line (sealed box, pit type, cover type), controlled atmosphere pushing plate furnace production line, protective atmosphere salt production line for quenching bainite, controlled atmosphere furnace roller, roller hearth furnace, mesh belt furnace heat treatment equipment and auxiliary facilities such as production line.
Draco has a number of products through the national professional appraisal, technical performance have reached the international advanced level.
Denon company has passed ISO9001-2008 quality management system, ISO14001-2004 environmental management system certification, the company has formed a rigorous, scientific and comprehensive management system. Was awarded the national association of heat treatment industry "energy conservation and emissions reduction advanced unit", "quality trustworthy enterprise", "technical innovation award" and the Chinese mechanical engineering society branch awarded "technology innovation award" and other honorary titles.
Three, denon company mainly precision, energy-saving, environmental protection products is introduced
(a) large energy-saving controlled atmosphere well type carburizing furnace
1, USES: mainly used for large load mechanical transmission parts precision heat treatment, can also be used for small and medium-sized parts largest carburizing heat treatment furnace charging quantity. Technical specifications, the workspace size: diameter from 1000 ~ 1000, 1000 ~ 6000 mm, maximum loading capacity: 2 ~ 58 t, heating capacity: 250 ~ 2000 kg.
2, the main features:
(1) a variety of special heat resistant steel structure technology in the successful application in large well type carburizing furnace, including spherical head wind guide cover, the corrugated muff and diversion tube, free hanging ventilation hood, open furnace cover insulation package, solve the furnace refractory steel structure thermal stress of high temperature deformation, the problem such as craze, the service life of up to 3 times more than conventional structure. The technologies of no.1 belonging to innovative design, with independent intellectual property rights, has applied technology patent.
Large controlled atmosphere well type carburizing furnace in 2009 China heat treatment institute of science and technology innovation and high-tech products in jiangsu province.
 the whole fiber lining, optimization design, the rational allocation of heating power, improving the structure of heating element parts than conventional carburizing furnace is of the same amount of furnace charging can save electric energy 25%, smaller RQ3 conventional carburizing furnace power consumption reduced by more than 50%. Energy saving effect obvious new older standard energy consumption quota is greatly reduced. Dragon power consumption under the new standard of index of the product, especially after layer depth increase, energy saving is more apparent. Via multiple products test showed that the furnace type, the greater the load is bigger, the unit power consumption is lower. As X2.0 of loading capacity than phi phi 2.0 1.3 X2.0 twice, deep layer 1.5 KWH of power consumption of only 0.541, deep layer 3.3 KWH of power consumption as low as 0.79, is only a third of the old products. The index is close to the most advanced Japanese energy consumption index.
(3) the use of advanced intelligent control system. Master + spreading + monitoring temperature control, multi-media system parameters of the carbon potential control, integrated intelligent control system, perfect interlock alarm system, the large workpiece under high temperature, high carbon potential for precise control. Satisfy the microstructure of carburized layer depth and workpiece quality requirements, but also increase the speed of carburizing, shorten the process time, saves the consumption of electricity and process materials, obviously decrease the operation cost.
The main conclusions of 3, technical appraisal
By the heat treatment industry association of China organizational identification, after each expert appraisal to this series of products, agreed that RQD series large controlled atmosphere well type carburizing furnace processing inherent quality is stable and reliable products, small heat storage, rise, cooling speed, high efficiency and energy saving. Can realize to product carburizing and hardening layer and the microstructure of accurate control, the same kind equipment has reached the international advanced technology level.
4, promotion prospects and energy saving benefits
(1) a large pit type carburizing furnace, the furnace wall surface temperature of 50 ℃ to 40 ℃, the heat loss in terms of 0.156 kw / ㎡, phi 3.2 x 2.0 well type carburizing furnace wall surface area of about 110 ㎡, equipment running time to 7200 hours, only this a year can reduce furnace wall heat loss power consumption of 124000 degrees.
In addition to the bottom of well type carburizing furnace for bearing with the refractory insulating brick masonry, the furnace wall from traditional refractory insulation brick masonry structure to whole fiber lining structure. Phi 3.2 x 2.0 well type carburizing furnace wall used refractory insulation brick masonry, the furnace wall heat savings up to 2016 kw, instead of the whole fiber lining, savings only 506 kw thermal furnace wall. According to the equipment running time 300 days, every 4 days furnace meter, a year only this can reduce savings hot loss power consumption of about 113000 degrees.
The two combined with furnace cover all fiber structure, muff strength design such as structure, element structure, installation and reasonable treatment of each hot short circuit of phi 3.2 x 2.0 well type carburizing furnace, can reduce the power consumption of about 350000 a year.
2 conventional carburization process carburizing temperature is 920 ℃, carbon potential is much less than 1.1% C. RQD large well type carburizing furnace due to greatly increase the precision of temperature control and the carbon potential control and control way of realization in the process of carburizing process at higher temperature and higher carbon potential in carburizing, not only guarantee the quality of the products, but also significantly shorten the carburizing process time.
In fact carbon potential can be increased by 1.25% in C with strong permeability, total process cycle can be reduced at least 20% above, make the equipment utilization rate is greatly increased, the overall energy consumption greatly reduced.
Denon company's large controlled atmosphere well type carburizing furnace in the actual production of the company, has successfully used carburizing temperature 960 ℃ ~ 970 ℃, carbon potential 1.35% ~ 1.40% C C.
(3) the equipment not only meet the needs of large workpiece carburizing heat treatment, and as long as meet the requirements of similar material and similar layer depth, for small and medium-sized pieces can also achieve maximum carburizing heat treatment furnace charging quantity.
As large heavy machinery transmission technology the implementation of a hard surface and the advancement of a new round of technical energy saving and emission reduction market demand for such equipment will rapidly expand, the annual demand is expected to more than 100 sets of production value of up to 200 million yuan.
According to the domestic ownership by 2015 large well type carburizing furnace for 800 sets of annual total amount of power saving can reach more than 280 million degrees.
(2) large energy-saving controlled atmosphere nitriding furnace cover type
1. Application: mainly applicable to the surface of the gear, shaft, mold products such as nitriding carbon and nitrogen altogether permeability before and after oxidation, oxidation and so on controlled atmosphere heat treatment. Technical specifications, the workspace size: diameter from 1000 ~ 1000, 1000 ~ 6000 mm., maximum loading capacity: 2 ~ 75 t, heating capacity: 350 ~ 2800 kg.
2, the basic situation:
(1) the present domestic commonly used by most of the gas nitriding furnace using ammonia decomposition meter to control the nitrogen potential, or simply by artificial method to control the nitrogen potential, this kind of nitriding furnace is of simple structure, high energy consumption, low control precision, the immanent quality of product is difficult to control, especially for deep layer of the product, more difficult to achieve precise control of carbonitriding layer and inner organization, cause and depth of nitriding layer microstructure of super bad, also causes electricity and process a large amount of waste material to meet the high quality of nitriding parts product requirements.
(2) the traditional gas nitriding furnace set up because of the atmosphere and cooling process time is long, at the same production platform, the well type furnace configuration sets more often than the bell type furnace, in order to meet the needs of production, resulting in equipment cost and operation cost greatly increased energy consumption.
(3) the denon company technical staff combined with many years of design experience and China's national conditions, the innovation design with the international advanced level of RFN cover series of controlled atmosphere nitriding furnace. The equipment adopts the whole fiber lining, using the latest integrated control, information technology, temperature, nitrogen potential, PLC, record, alarm, expert system, dynamic control and management system, feature set in one, using hydrogen probe directly measuring the nitrogen potential, mass flowmeter control process of medium supply feedback data and intelligent PID control and measurement, realize the nitriding process of precise control. Greatly reduce consumption of process medium, usually only a third of the nitriding process of medium consumption. Furnace temperature uniformity can be controlled within + / - 3 ℃ range. Comprehensive energy consumption of the actual saving more than 30%.
Exhaust all the equipment through automatic combustion emissions, compared with conventional nitriding furnace, emissions more secure, basic can't smell the workplace ammonia smell, fully meet the requirements of environment protection.
By denon company design and manufacture of the controlled atmosphere nitriding furnace cover type, in 2009 China heat treatment institute of science and technology innovation and high-tech products in jiangsu province.
The main conclusions of 3, technical appraisal
Via China heat treatment industry association appraisal, the experts of this series of products after appraisal, agreed that the controlled atmosphere nitriding furnace hood type deal with internal quality is stable and reliable, small storage quantity of heat, rise, cooling speed, high efficiency and energy saving. Can realize to product carburizing and hardening layer and the microstructure of accurate control, the same kind equipment has reached the international advanced technology level.
4, promotion prospects and energy saving benefits
Cover (1) controlled atmosphere nitriding furnace since operation in 2007, processing product quality is stable and reliable, has to deal with all kinds of products more than 30000 tons, the technical performance indicators have reached the design requirements, especially temperature and nitrogen potential control precision is high, the equipment operation is stable, reliable and can satisfy completely the requirements of the design of the product, the whole technical performance of the equipment with the international similar equipment and manufacturing technology level, in the domestic leading level, and achieved good economic and social benefits.
With the rapid development of machinery industry in recent years, nitriding processing requirements for certain products is also more and more high, the related equipment are also put forward higher request. In recent years, our country's mechanical processing industry development situation is good, has become the world's machinery manufacturing and assembly of the important bases, as companies enter the Chinese market in the world, to the technical requirement of the various components is also more and more high, especially the precision requirement of the driving part is higher. Nitriding treatment advantage lies in the lower the temperature of the workpiece, the workpiece can obtain high surface hardness and wear resistance, and the workpiece deformation is small, such as wind power generation, shipbuilding, aerospace, steel, war industry, automobile, petrochemical, mining and other industries have products need nitriding treatment. The traditional equipment and process can't accurate control of nitriding process. Most demanding nitriding products could not be made before due to the domestic high-end nitriding equipment, and choose abroad nitriding heat treatment equipment, related equipment price is very high, long-term maintenance, service, it is difficult to guarantee, the corresponding processing cost, maintenance cost is high. So the high precision control of nitriding equipment has a large market in China. Controlled atmosphere bell type characteristic is to cover an area of an area small, nitriding furnace temperature control precision, atmosphere furnace charging amount is larger, energy conservation and high efficiency, low comprehensive cost, the class is expected annual demand is around 80 sets of equipment, production value of up to 250 million yuan, has a good development prospect.
(3) bell type nitriding furnace compared with well nitriding furnace, the equipment investment cost of bell type furnace about 17% higher than the pit type furnace, due to the use of the new type of bell type furnace efficiency is 40% higher than the pit type furnace, so the cost can be recovery soon. More major, bell type furnace adopts several energy saving measures, use the advanced control methods, such as nitriding experts automatic control the configuration of the foreign advanced products and equipment of single power consumption greatly reduced, technology medium consumption is only 1/3 of usually process, obviously improve the overall efficiency. With a 1.3 x 2.0 M phi cover type nitriding furnace as an example, the unit power consumption can be reduced to 0.452 KWH/kg, the indicators have reached the ministry of the upcoming heat treatment industry clean production technology power consumption assessment requirements, and power consumption index close to similar foreign advanced products.
A phi 1.3 x 2.0 M bell type nitriding furnace processing artifacts 1500 tons, managing electric energy can reach 249000 degrees, according to the domestic ownership to cover 2015 try to nitriding furnace for 500 sets of annual total amount of power saving can reach more than 120 million degrees.
(3) the controlled atmosphere the sealing box multi-purpose furnace
1, use: is suitable for automobile, motorcycle, engineering machinery, machine tools, powder metallurgy, petrochemical and other industries, such as gears, bearings, chains, hydraulic components and other mechanical parts of carburizing and carbonitriding, the bright quenching, normalizing heat treatment, etc. There are multiple specifications, the largest furnace charging quantity of 450 ~ 3500 kg at a time, the heating capacity of 270 ~ 1000 kg/h, can satisfy the needs of different customers, different products, yield.
2, the basic situation:
Controlled atmosphere sealing box multi-purpose furnace is one of the world's most advanced furnace type. Denon company through in cooperation with STANGE, PE, CEC, NITREX company, constantly introducing and absorbing the latest and the most advanced technology, developed in accordance with China's national conditions with high ratio of the second generation of controlled atmosphere heat treatment of multi-purpose furnace. The product's main features are:
(1) using new type fiber materials for lining permeability, cancel the furnace muffle device, greatly reduce the savings. Both reduced the equipment temperature, cooling time, and equipment energy consumption than similar products at home and abroad was reduced by 20% or more, equipment installation power more than 15%.
2 USES the muff circular furnace and improved air circulation system, to avoid the air space blind Angle, make the furnace temperature and atmosphere evenness improvement, reduce the shell surface area so as to reduce the heat loss.
(3) quenching groove of the oil cooling using heat pipe air cooled heat exchanger, whole sealing equipment, completely avoid the possibility of water leakage oil pool, makes the safety of the equipment is higher than similar products at home and abroad are, to the greatest extent to improve the safety of the equipment.
Step (4) by including temperature safety interlocks, complex interlocking, furnace pressure, power and overtemperature, safety of nitrogen, safety bend eight security measures, such as to make use of the device security.
5] key and main components of all products adopts imported components.
 the carburizing expert system and computer management system software, which can realize the offline simulation and online dynamic control. When using carbon potential automatic setting function, need not set a carbon potential, online module based on carbide furnace carbon black and the permeability workpiece automatically calculates the optimum carbon potential. Using a process simulation, according to a given material, deep layer, temperature and other conditions, simulation process time and carbon concentration distribution curve and value. High degree of automation, intelligence to ensure the quality of the workpiece processing, but also shorten the process time, save the consumption of electrical energy and process materials.
Once carbon potential, temperature, and program can control computer networking, can realize fully automated production line all equipment from spreading and group control. It can realize remote control and network management.
3, energy saving benefit
(1) RM9 - TLON series controlled atmosphere multi-purpose furnace is one of the leading products of denon company. Development since 2003, there have been hundreds of sets of products and services, through actual application that, this furnace with high efficiency, energy saving, advanced, safe and reliable, simple operation, and low operation cost, accord with today's precision heat treatment, clean, energy-saving technology development direction. The table below for Draco multi-purpose furnace compares the performance before and after the modification.
Contrast can be seen from the new and old products, denon performance, not only the second generation of multi-purpose furnace efficiency than conventional multi-purpose furnace has large improvement, especially in the energy saving effect is prominent. Each furnace is a typical process power consumption reduced by 39% ~ 42%, empty furnace power consumption reduced by more than 33%, reduce 50 kg raw material and tooling, medium consumption process to save more than 40%. Because of the widely used box-type multi-purpose furnace, high automation level, processing quality is good, the demand of market increases year by year, in the current domestic demand is expected to more than 500 units. Each furnace energy saving about 180000 degrees, according to the domestic box-type multi-purpose furnace in 2015 3000 units per meter, annual total amount of power saving of more than 540 million degrees.
(3) in the carburizing process, five main heat treatment process of the highest energy consumption process, carburizing process to save energy consumption for the whole heat treatment reduced energy consumption is of great significance. The box-type multi-purpose furnace carburizing power consumption is one of the most saving carburizing furnace of all kinds. According to statistics, in 2008, carburizing and quenching heat treatment industry process unit power consumption is about 1170 KWH/t, develop the new target of 960 KWH/t denon company products in 2009, the box-type multi-purpose furnace carburizing and quenching power consumption for an average of 558 KWH/t completely accords with the quota of industry clean production, and has reached the Europe and the United States, and other advanced indicator of industrial power products.
Four, backed by heat treatment of cleaner production
With the development of heat treatment industry marketization and internationalization, specialization, more highlights the importance of heat treatment, high level and high quality of heat treatment process of heat treatment equipment is also put forward higher requirements. As the heat treatment equipment manufacturing plants, produce more and better, high efficiency, low energy consumption, intelligent, pollution-free clean heat treatment equipment, is our duty-bound responsibility.
In addition to the above the leading product, denon company research and development of energy-saving equipment and cleaner production: controlled atmosphere through type multi-purpose furnace, bottom of the controlled atmosphere loading multi-purpose furnace, controlled atmosphere box, pit type nitriding furnace, controlled atmosphere pushing plate furnace production line, protective atmosphere salt production line for quenching bainite, controlled atmosphere furnace roller, roller hearth furnace, mesh belt furnace production line, etc. These devices are still adhering to the "three full" denon company (product one hundred percent the controlled atmosphere, protective atmosphere; lining one hundred percent energy-saving materials; the key parts adopt international famous brand one hundred percent device) tradition, to ensure the high efficiency and energy saving and high reliability of the product. In addition, there is a prominent feature, that is, with high automation, intelligent, digital function. These features include:
? The Chinese version of the operating system and friendly man-machine interface.
? Heat treatment process programming, process simulation and design.
? Temperature, atmosphere, all actions can connect computer control, the variable process of the furnace controller can be used as a terminal again at the same time, access to the computer local area network (LAN), authorized by the Canon of the computer can be real-time observation of the operation condition of the furnace. To realize network, intelligent remote control.
? State of equipment running status and process image display, image clarity is clear, accurate and straightforward.
? Equipment operation fault self-diagnosis function. Each switch, valve, instrument and each action point and the computer connection, with equipment operation analysis, the failure positions and causes of judgment, troubleshooting tips. Can also set up automatic camera to the position of the inconvenience to observe, realize all-round monitoring.
? Ethernet (100 mbit) with more than one program controller of local area network (LAN), for more than one program controller for command, control, operation and management.
? Technological process and equipment running status display, including process, working condition diagram, set point curve and the actual value curve, zoom in and out of curve, dynamic control, process data, etc.
? Temperature, atmosphere, the infiltration of medium flow, furnace pressure control and display records, current and historical fault display, records (including fault, fault response, fault elimination) function complete, the complete equipment at a high level of intelligence, digital and networked work under the control and management, making quality, energy consumption and control the "three wastes" emissions effectively.
A good clean and heat treatment equipment, can provide users with excellent heat treatment quality and good economic benefit, it requires that the product has excellent control performance and high reliability, and energy conservation, environmental protection, more human operating functions, etc. That's what we want to provide users with equipment. In addition, we strive to provide users with high quality pre-sale, sale and after-sale service. A strong backing for the clean production.
Our next goal, on the one hand, committed to the popularization and application of results, let more customers use advanced heat treatment equipment, better economic benefits. On the other hand, we are also looking for gap. We saw Mr FanDongLi introduction "road map" to the heat treatment technology development, put forward by the americans in 2020 eight goals, give us much enlightenment. Contrast counterparts in the United States, we should think about how to narrow the gap with industrial power continuously. China's reform and opening up 30 years of development, through the way of industrial power hundreds of years. China's high-speed rail, automobile, steel has become the world's first, was walking along a road with Chinese characteristics. The heat treatment processing and heat treatment equipment can also be based on national conditions, under the leadership of the ministry, under the organization of industry association, in many enterprises and research institutions, out of a road to China. We will by heat treatment power into heat power, is likely to get the best result of energy saving and emission reduction.
At present, the national equipment manufacturing industry adjustment and revitalization plan, the heat treatment industry of cleaner production implementation scheme, the heat treatment industry of cleaner production level evaluation of technical requirements, such as file gradually implemented one by one, like a strong east wind, driving the equipment renewal and technological progress of heat treatment industry in our country, this equipment manufacturing enterprises for us is a great development opportunity. Dragon of us must seize this opportunity comes once in a blue moon, strive hard, ohlendorf, make China the best heat treatment furnace, heat treatment to supply the best service.
Our after-sales service staff often convey the user's problem to r&d department and r&d department often these problems as the research and development projects in terms of research, test, development, both for the customer to solve the problem, and make the product is improved. Only by continuously improve products, to become the best product. "Three wastes" emissions, reflects heat users more ways, we strengthen the research and development in this field, at present, the automatic ammonia environment protection device, salt water separation device has entered the stage of practical, comprehensive utilization of waste heat of circulating technology has been very mature, the decomposition of the waste liquor recovery also in the experiment... . Protect the environment, less "three wastes" emissions, is our dragon artificially low carbon life, the effort should be made to protect the earth's ecological environment.
We would like to work with heat treatment industry colleagues together, share the joys and sorrows, hand in hand, jointly cope with the challenge of risk, share the development opportunities and heat treatment for the revitalization of China to make due contribution!