Kunshan Aifeige Purification Equipment is a company engaged in the manufacturing, sales, and research and development of air filtration products. Its main products include: primary efficiency filters, medium efficiency filters, high-efficiency filters, oil mist filters, suspension blower filters, FFu filters, and other air filtration products. The company is located in Kunshan High tech Zone, and currently has efficient production lines, efficiency, wind speed, and other complete sets of testing instruments. The entire production process is conducted in a Class 10000 clean room. The junior and junior high efficiency filters are all pipelined. Multiple products, providing one-stop service for customers' entire factory filter screen configuration. At the same time, we undertake OEM ODM and import and export trade business.
Ventilation is an important means to control the environment of piggery. Ventilation in different seasons and different areas need different schemes due to different outdoor temperatures. One is to increase the air flow to make pigs feel comfortable under high temperatures, so as to mitigate the adverse effects of high temperatures on pigs; Under the condition of suitable outdoor temperature, it is sufficient to introduce an appropriate amount of fresh air to discharge the dirty air and moisture in the pig house, so as to improve the air environment of the pig house and reduce the number of microorganisms in the air in the pig house. The third is the outdoor cold season, so it is necessary to increase the temperature of the introduced fresh air to prevent the cold air from blowing directly into the pig house. The first is to conduct heat recovery of the discharged air in the pig house, The heat of exhaust air and fresh air in the house is exchanged by air-air plate heat exchanger or runner heat exchanger. In addition, in extreme cold conditions, it is necessary to use heat coils to properly heat the fresh air.
Wind power is a kind of clean energy, with the characteristics of renewable, pollution-free, large energy and broad prospects. The development of clean energy is the strategic choice of all countries in the world.
However, if the air is directly fed into the generator cabin for cooling, the dust and corrosive gas will be brought into the cabin (Especially wind turbines installed offshore).
Indirect cooling system solution
The indirect cooling method can make the air from inside and outside perform indirect heat exchange to achieve the effect of cooling the wind generator cabin without bringing dust and corrosive gases from outside into the cabin.
The main component of the indirect cooling system is the BXB plate heat exchanger. In the BXB plate heat exchanger, two channels are separated by aluminum foil. The air in the cabin is closed circulation, and the outside air is open circulation. The two airs are doing heat exchange. The air in the cabin transfers heat to the outside air, which reduces the temperature in the wind generator. In addition, the air inside and outside the cabin will not be mixed due to the isolation of aluminum foil, which prevents dust and corrosive gases outside the cabin from being brought into the cabin.
Industrial thermal emission heat recovery&reuse system There are many drying equipment is often used to raise the air(fresh air)to a certain temperature and process the materials.Such as,food,chemical,pharmaceutical,electronics,spraying,printing,paper,chemical fiber and other industries.However,the used air is discharged as exhaust gas(exhaust air),and the exhaust gas is usually high in temperature and directly discharged into the atmosphere,which will cause a lot of energy waste. Drying case For example,assuming a place with an annual average temperature of 10°C,a drying system air volume of 10000m3/h,and a drying process temperature of 80°C,it is necessary to provide about 235kW of heat to the drying box by means of electric or steam heating.The process is as follows,if the exhaust gas is directly discharged,the 235 kW of heat heated by electric or steam is will discharged into atmosphere,resulting in a waste of energy. Schematic diagram of fresh air ventilation equipment with heat recovery In the exhaust gas emission system,adding a heat exchange box that can realize the waste heat recovery. The main component of the heat exchange box is the BXB plate heat exchanger.The plate heat exchanger is mainly made of aluminum foil(or stainless steel foil).When there is a temperature difference between two airflows that are isolated by aluminum foil and flow in opposite directions,heat transfer will occur to realize energy recovery.Through the BXB air sensible heat exchanger,the conversion in the exhaust air can be used to preheat the fresh air.As the result,it will achieve the purpose of energy saving.
Medical treatment, biopharmaceutical and high-end electronic intelligence industries have emerged as the country's large-scale industrial strategy, and these industries cannot be separated from the application of purification systems. Because of the particularity of the purification system, the introduction of fresh air and the discharge of some indoor air are realized by power, so the demand for energy is fixed. In the system without new and exhaust energy recovery devices, fresh air will consume a lot of energy, while the energy in exhaust air will be wasted. If the energy in exhaust air can be recovered and the fresh air can be pre-cooled or preheated, the waste of resources can be reduced to the maximum extent. The system mode of strong delivery and strong exhaust is more conducive to the arrangement and utilization of new and exhaust energy recovery.
In the air conditioning system design of major hospitals, treatment centers and animal laboratories, in order to avoid cross pollution, the distance between new fans and exhaust fans is usually relatively far. Our company can provide liquid circulating energy recovery scheme. This energy recovery method can effectively avoid cross-contamination of fresh and exhaust air, effectively recover the cold heat in exhaust air through liquid circulation, and release the recovered energy into fresh air, so as to achieve the purpose of reducing energy consumption of fresh air. This recovery system can drag one or more modes.
Wind power is a kind of clean energy, with the characteristics of renewable, pollution-free, large energy and broad prospects. The development of clean energy is the strategic choice of all countries in the world.
However, if the air is directly fed into the generator cabin for cooling, the dust and corrosive gas will be brought into the cabin (Especially wind turbines installed offshore).
Indirect cooling system solution
The indirect cooling method can make the air from inside and outside perform indirect heat exchange to achieve the effect of cooling the wind generator cabin without bringing dust and corrosive gases from outside into the cabin.
The main component of the indirect cooling system is the BXB plate heat exchanger. In the BXB plate heat exchanger, two channels are separated by aluminum foil. The air in the cabin is closed circulation, and the outside air is open circulation. The two airs are doing heat exchange. The air in the cabin transfers heat to the outside air, which reduces the temperature in the wind generator. In addition, the air inside and outside the cabin will not be mixed due to the isolation of aluminum foil, which prevents dust and corrosive gases outside the cabin from being brought into the cabin.
Cooling effect analysis
Taking a 2MW unit as an example, the motor's heat generation is 70kW, The circulating air volume in the engine room is 7000m3/h and the temperature is 85℃. The outside circulating air volume is 14000m3/h and the temperature is 40℃. Through the BXB1000-1000 plate heat exchanger, the air temperature in the cabin can be reduced to 47℃ and the heat dissipation capacity can reach 72kW. The relevant parameters are as follows:
Chimneys in chemical and power industries emit white smoke after desulfurization and other processes, which contains a large amount of water vapor. During the process of discharging to the atmosphere, the water vapor in the flue gas condenses into liquid, and the light transmittance of the flue gas decreases, resulting in white smoke emission from the chimney. If these moisture cannot diffuse in time, it will form acid rain and gypsum rain, which is one of the inducements of haze weather. Smoke whitening is to remove condensate in advance to prevent discharge to the atmosphere, thus reducing the pollution of white smoke to the environment. Ultra-thin heat transfer core is used inside the efficient and fast flue gas whitening machine, which uses ambient temperature air without additional energy consumption, and the heat transfer process is pollution-free. The equipment has compact design layout, flexible installation and simple operation, which can efficiently and quickly solve the white clean water mist generated in the operation and production of natural gas boilers, drying equipment, food plants, etc. It is mainly used in the de-whiting of desulfurization flue gas in coal-fired boiler flue gas, gas-fired boiler flue gas, power plant, metallurgy and other industries. If you have any demand, please contact us for program customization, Tel: 15311252137 (Manager Yang)
After the flue gas enters the spray condensing tower, it directly contacts with the low-temperature intermediate water in it to reduce the temperature to below the dew point. The cooled flue gas returns to the chimney for direct discharge, and the heated spray water enters the water storage tank inside the tower. After multi-layer sedimentation, the settled clean water overflows to the water storage tank outside the tower. Under the action of the circulating pump, it enters the heat pump refrigeration unit for cooling treatment, and then returns to the condensing tower through the main circulating pump for cooling spray, completing a complete cycle. The water vapor in the flue gas continuously condenses with the flue gas temperature decreasing. The condensed water actually comes from the water evaporated from the spray slurry of the desulfurization tower. This part of condensed water enters the make-up water system of the desulfurization tower after sedimentation in the reservoir, and returns to the desulfurization tower as make-up water, which can effectively relieve the make-up water pressure caused by the wet desulfurization process. In the spray condensation tower, because the flue gas and the low-temperature spray water are in direct contact with each other to cool down, the dust concentration in the flue gas can also be effectively reduced and the pollutant emission in the final smoke can be reduced through the washing effect of the spray water on the flue gas. The above condensation cooling technology can reduce the temperature of wet flue gas from 50 ℃~60 ℃ at the outlet of the desulfurization tower to below 30 ℃, and recover the condensate water in the flue gas as make-up water for the desulfurization tower to reduce the water loss of wet desulfurization; In addition, the flue gas is washed again and the dust content in the flue gas is significantly reduced, so as to achieve the multiple purposes of energy saving, water saving and emission reduction at the same time.
The air-gas plate heat exchanger for air waste heat recovery is made of seawater corrosion-resistant hydrophilic aluminum plate, epoxy resin aluminum plate or stainless steel foil. The heat transfer surface of the heat exchanger is subject to enhanced heat transfer stamping forming treatment. The heat exchanger adopts enhanced stamping undercut technology, which has higher strength, better sealing performance and less than 1% air leakage rate; The air passage is supported by a conductor convex cylinder, and the capacity to withstand the new exhaust pressure difference is 2500 Pa; The normal use temperature of ordinary aluminum foil is not higher than 100 ℃, the temperature resistance of special sealing material can reach 200 ℃, and the temperature resistance of stainless steel material can reach 350 ℃; It can be cleaned directly with tap water or neutral detergent, which is convenient to use and easy to maintain; Provide different plate spacing (2.0mm-10.0mm) and any combination length. The products are widely used in commercial central air conditioners, industrial purification air conditioners, healthy and green residences, data center heat exchange, 5G base stations, medical purification, wind power heat exchange, large-scale breeding energy-saving ventilation, new energy vehicles, printing machines, coating machines, sizing machines, charging pile heat exchange, printing, food, tobacco, sludge drying and other fields,
Efficient and fast flue gas white elimination box, physical way to eliminate industrial white smoke, industrial waste heat recovery The waste heat and smoke exhaust of boilers and the chimneys of chemical and power industries emit white smoke after desulfurization and other processes, which contains a large amount of low-heat water vapor. During the discharge process, the water vapor in the flue gas condenses into liquid, and the light transmittance of the flue gas drops, resulting in white smoke. If these moisture cannot diffuse in time, it will form acid rain and gypsum rain, which is one of the inducements of haze weather. Ultra thin heat transfer core is used in the air efficient and fast flue gas whitening machine, which uses outdoor ambient temperature air without additional energy consumption, and the heat transfer process is pollution-free. The equipment has compact design layout, flexible installation and simple operation, which can efficiently and quickly solve the white clean water mist generated in the operation and production of natural gas boilers, drying equipment, food plants, etc. It is mainly used for desulfurization and flue gas whitening in coal-fired and gas-fired boilers, power plants, metallurgy and other industries. It is widely used in the tail gas utilization of dryers, drying of vegetables, tobacco leaves, medicinal materials, noodles, seafood and other foods, and drying of clothes and sludge. The air energy recovery scheme of printing machine and coating machine is installed in the drying exhaust system. During the exhaust process, the exhaust gas and fresh air pass through the heat exchange core, and the heat of the exhaust gas is used to preheat the fresh air to improve the inlet temperature, so as to achieve the purpose of air waste heat recovery.