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Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development

2018-08-18
Throughout the workshop, the blue ventilation pipe from north and south become Henan Mine workshop a beautiful view.
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
Spacious and bright workshop
 
 
This is a wet dust extraction and environmental protection equipment developed by Henan Mine with an investment of over 34 million yuan according to the characteristics of crane manufacturing workshop, commonly known as "water dust removal equipment", It is to make the dusty gas in close contact with the liquid (usually water), utilize the inertial collision of water droplets and particles, and capture the soot particles by the sufficient mixing of water and dust.
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
The device first uses the suction force of a high-pressure centrifugal fan to press the dust-containing gas into a water tank filled with a certain height of water, and the water bath will adsorb a part of the dust in the water. After uniform distribution, the gas flows from bottom to top, while the high pressure spray nozzle sprays water mist from top to bottom to capture the remaining dust particles. Its filtration efficiency can reach more than 85%.
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
The wet dedusting equipment can remove the dust particles of the dust-containing gas, as well as the water vapor in the gas and some poisonous and harmful gas pollutants. Therefore, wet dust collector can not only dust gas but also play a role in gas treatment. It has the advantages of simple structure, small occupied area, convenient operation and maintenance and high purification efficiency, and has high exhaust gas treatment efficiency for purifying high specific resistance, high humidity, high temperature, flammable and explosive dust-containing gas. Minimize the possibility of fire and explosion. The air quality in the workshop has been significantly improved.
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
Henan mine as a responsible crane manufacturing company, taking the environmental protection work as the first and foremost political task of the company by now and in future, willing to spend large sum of money, according to system planning, at no cost, no return, time inversion, responsibility, self-compression, carry out comprehensive environmental protection improve, demolition of polluting and energy-consuming equipment, active introduction of new technologies, new processes, new equipment, to achieve the strict standard of environmental protection. The company has cost a lot on it, but we think it is necessary and worthwhile.
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
Remove energy-consuming and polluting boilers
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
UV photo-oxidation catalytic waste gas treatment equipment and activated carbon spray treatment box
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
Electrostatic smoke purifier
 
Mr. Cui, the founder and party secretary of the company, asked all employees to understand and use the overall vision to grasp the importance and urgency of developing green production and environmental protection, further enhance their sense of consciousness and responsibility, and resolutely support the call of the Party Central Committee. All employees are required to respond positively and devote themselves to this blue sky defense battle.
 
Companies set up their department and environmental supervision team, from the aspects of system, management and technology of clean production, environmental risk identification and hidden governance, present situation of occupational disease hazard assessment, waste, and generally the focus of the whole process of solid waste control and so on, invite the third party environmental inspection agencies for online monitoring of all kinds of emission source, concluded with the enterprises to have an aptitude for recycling of solid waste, waste recycling, not regular solid waste, waste recycling.
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
Third party environmental safety monitoring
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
Occupational disease hazard status evaluation report
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
Hazardous waste warehouse
 
Establish target responsibility system, responsible for system construction, implementation, assessment and reward of environmental protection measures. The company organized and completed the declaration of green factories, to ensure the overall control of environmental management.
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
Creating green factory
 
In recent years, the company has increased investment in new technologies, new technologies, new equipment, new product research and development, etc., vigorously develop green manufacturing, and seek transformation in green development.
 
1. Process innovation, reducing energy consumption
 
In 2013, the company cooperated with Beijing Crane Transportation Machinery Design and Research Institute, hired German crane experts, and completed the “Single Beam Crane Flexible Production Line Project” according to ergonomics and workpiece flow.
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
The main girder of electric single-beam crane was originally made by welding the I-beam with U-shaped groove stiffened plate, and then welding the plates on both sides and connecting the end beam. The process defect is U-shaped slot, low efficiency of production, labor intensity, the high cost of welding, welding process takes longer, large amount of welding deformation, welding process to produce more electric welding smoke and dust, pollution is serious, in the multiple stage makeup, welding, shaping process, welding quality is difficult to guarantee, girder transverse weld crack defects.
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
Old technology U groove
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
New process once forming U-shaped groove
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
In view of the above process defects, and in order to improve the efficiency of production operations, the technical transformation team of our company has carried out technical transformation of the process part, using the U-shaped groove of the main beam and the jointless forming technology of the side plates. The key point of technical transformation lies in the application of hydraulic cold bending line technology and the corresponding mechanical analysis, realizing the overall forming of the main beam, no butt weld, and making the single beam production welding with the aid of the main beam forming correction machine and the main beam welding special machine. The seam is reduced by 50%, the overall strength of the main beam is improved, the welding amount is reduced, the appearance quality is improved, the labor intensity of the first-line workers is greatly reduced, the work efficiency is improved, the environmental pollution is reduced, and the working environment is improved.
 
Our wheel forging and rolling composite process line has created a precedent for the use of this technology wheel by domestic common electric single girder bridge cranes. Not only improve the production efficiency, but also greatly improve the quality and appearance of the product. Compared with the casting process, the heat energy loss is reduced by 50%, the energy utilization rate is increased by 40%, and the energy saving and emission reduction production is realized. Protecting the environment is also important.
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
Casting wheels
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
Forging wheels
 
We have jointly implemented the reform of intelligent production line of European crane with Siemens, and the improvement of crane manufacturing process digitalization, which will build a world-class crane digitization factory. The crane products will be intelligentized, energy-saving, lightweight, improved, popularized and popularized, Promote Henan Mining crane products to reach world-class level.
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
2. Machine substitution, energy saving
Industrial manufacturing intelligence is an important indicator to measure the level of modern technology and high-end manufacturing, and is also an important part of the development of intelligent society. In recent years, Henan Mine has vigorously promoted the automation (intelligent) complete sets of equipment transformation through the “machine substitution” project, and realized the automation of some production processes and assembly lines through “machine substitution”, which reduced labor intensity and simplified production process. There are double effects of reducing people and increasing efficiency and saving energy. Through high-end manufacturing and green manufacturing, we will improve product quality, promote energy conservation and emission reduction, promote industrial transformation and upgrading, and realize the use of "technical dividends" instead of "demographic dividends."
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
Welding line of robot end beam
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
Six-axis articulated robot
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
Truss automatic loading and unloading robot
 
3. New products, lightweight and environmentally friendly
We adopt the green design concept, design, manufacture and inspection all implement the latest national standards, equivalent to some foreign standards such as FEM, DIN, IEC, etc. Compared with the original universal QD bridge crane products, the weight reduction is about 15~ 30%, the maximum wheel pressure is reduced by about 10~35%, which can reduce the crane's requirements on the structure of the plant and save the manufacturing cost of the plant. The wide range of applications of high-strength materials, jointless blanking of the main beam, automatic welding technology and laser cutting technology have realized energy conservation and environmental protection in the production process, reducing environmental pollution damage. While maintaining steady development, the company has increased its R&D and production of fully automatic, intelligent, lightweight and environmentally friendly new products, and embarked on the road of sustainable development relying on technological innovation.
 
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
Henan Mine丨Fighting Environment Protection, Embark on the Fast Green Track of Development
 
With the concept of green coordinated development deeply rooted in the hearts of the people, Henan Mine has established a working organization for energy conservation and emission reduction, and improved the corresponding rules and regulations, attaching importance to the use of comprehensive means of technology and management, and implementing energy-saving emission reduction based on the market, not only for itself, but also to bring economic benefits, to protect the environment and bring positive social benefits.
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