Recovery of air-cooled heat pump air conditioning chillers, dismantling of old central air conditioning in Shanghai, utilization and acquisition of Carrier, Trane, and York central air conditioning.Our company offers high-priced recovery for air conditioners, 1-1000 horsepower air conditioners of all sizes, second-hand York air conditioners, second-hand Dunham-Bush air conditioners, second-hand McQuay air conditioners, second-hand Trane, second-hand Trane air conditioners, second-hand Ross air conditioners, second-hand Carrier air conditioners, second-hand Daikin air conditioners, second-hand household air conditioning series, 10-500 refrigeration tons, and domestic brand second-hand air conditioning equipment. Mainly includes: screw-type, piston-type, centrifugal chillers, and air-cooled heat pump units, compressors, cold storage, motors, transformers, large generators, new refrigeration accessories, chemical raw materials, and large factory equipment from brands such as Carrier, Daikin, York, Trane, McQuay, and Dunham-Bush. Our company offers high-priced recovery for air conditioners, 1-1000 horsepower air conditioners of all sizes, second-hand York air conditioners, second-hand Dunham-Bush air conditioners, second-hand McQuay air conditioners, second-hand Trane, second-hand Trane air conditioners, second-hand Ross air conditioners, second-hand Carrier air conditioners, second-hand Daikin air conditioners, second-hand household air conditioning series, 10-500 refrigeration tons, and domestic brand second-hand air conditioning equipment. Mainly includes: screw-type, piston-type, centrifugal chillers, and air-cooled heat pump units, compressors, cold storage, motors, transformers, large generators, new refrigeration accessories, chemical raw materials, and large factory equipment from brands such as Carrier, Daikin, York, Trane, McQuay, and Dunham-Bush.

Shuangliang Lithium Bromide: Origin Jiangyin, domestic.
Broad Lithium Bromide: Origin Changsha, domestic.
Lianfeng Lithium Bromide: Origin Shangyu, domestic.
These companies have extensive networks and good service.
In the 1990s, when electricity resources were tight, China's lithium bromide industry experienced large-scale development, with many lithium bromide central air conditioning advertisements appearing on CCTV.
Strictly speaking, lithium bromide equipment is very energy-inefficient for central air conditioning due to its low energy efficiency ratio. However, under the energy conditions at the time, lithium bromide equipment saw significant development.
Now, lithium bromide products are mainly used in industrial production, utilizing waste heat and low-grade heat sources for refrigeration. They have gradually withdrawn from the central air conditioning field.
In terms of price, Broad's products are relatively higher (focusing on commercial refrigeration), while others mainly utilize industrial waste heat. For industrial use, domestic products are more suitable for domestic applications (like domestic cars, cheaper to buy and use). Personally, I believe domestic products are better because lithium bromide units have matured after years of development in China, and it's hard to say one is significantly better than others; the technical content is similar, and domestic ones are relatively cheaper. In many Japanese and Korean projects, they typically choose their own domestic units. Since that's the case, it's better for Chinese people to use domestic products.

Second-hand lithium bromide chillers, recovery of second-hand lithium bromide chillers, exchange and recovery of second-hand lithium bromide chillers, recovery of scrapped central air conditioning, recovery of used lithium bromide central air conditioning, dismantling and recovery of used central air conditioning, recovery of steam-type lithium bromide units, recovery of absorption-type lithium bromide units, recovery of direct-fired lithium bromide units, recovery of lithium bromide refrigeration units, recovery of lithium bromide brine units. The energy efficiency ratio of lithium bromide unit air conditioning systems, i.e., the COP value, refers to the ratio of the cooling capacity produced by the unit to the sum of the heat source consumption and electrical power consumption. Taking Jiangsu Shuangliang, which has a high market share, as an example, it is about 1.1 to 1.2, such as the direct-fired (natural gas) double-effect H-type lithium bromide chiller. In lithium bromide absorption refrigeration, since the boiling point of the lithium bromide aqueous solution itself is very high (1265°C) and it is extremely difficult to volatilize, the vapor above the saturated lithium bromide solution can be considered as pure water vapor. At a certain temperature, the saturated vapor pressure above the lithium bromide aqueous solution is lower than that of pure water. Moreover, the higher the concentration, the lower the saturated vapor pressure above the solution. Therefore, under the same temperature conditions, the higher the concentration of the lithium bromide aqueous solution, the stronger its ability to absorb moisture. This is why lithium bromide is commonly used as the absorbent and water as the refrigerant. Lithium bromide absorption chillers mainly consist of a generator, condenser, evaporator, absorber, heat exchanger, and circulation pump. During the operation of a lithium bromide absorption chiller, when the lithium bromide aqueous solution is heated by the heat medium water in the generator, the water in the solution continuously vaporizes. As the water vaporizes, the concentration of the lithium bromide solution in the generator continuously increases, and it enters the absorber. The water vapor enters the condenser, is cooled by the cooling water in the condenser, and condenses into high-pressure, low-temperature liquid water. When the water in the condenser passes through the throttle valve into the evaporator, it rapidly expands and vaporizes, absorbing a large amount of heat from the chilled water in the evaporator during vaporization, thereby achieving cooling and refrigeration. In this process, the low-temperature water vapor enters the absorber, is absorbed by the lithium bromide solution in the absorber, and the solution concentration gradually decreases. It is then sent back to the generator by the circulation pump, completing the entire cycle. This cycle continues uninterrupted to continuously produce cooling capacity. Since the dilute lithium bromide solution has already been cooled in the absorber and is at a low temperature, a heat exchanger is added to the system to save heat for heating the dilute solution and improve the overall thermal efficiency. This allows the high-temperature concentrated solution flowing out of the generator to exchange heat with the low-temperature dilute solution flowing out of the absorber, raising the temperature of the dilute solution entering the generator.