Backheating double-effect and triple-effect second-type absorption heat pumps
An absorption heat pump and recuperation technology, which is applied in the field of low-temperature waste heat utilization heat pumps, can solve the problems that double-effect and triple-effect units cannot realize the best use of heat and have large differences in performance index.
Active Publication Date: 2012-02-15
李华玉
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Problems solved by technology
[0002] In order to further improve the utilization rate of waste heat, when the temperature difference between the waste heat resource and the cold environment is large, people have proposed the second type of absorption refrigerator / heat pump unit of single-stage double-effect and single-stage three-effect, but the second type of double-effect The performance index difference between absorption heat pump and three-effect second-type absorption heat pump is large, and the same is true between single-effect and double-effect; When the maximum heating temperature of the double-effect and triple-effect units is between the maximum heat supply temperature, the heat can not be fully utilized
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[0028] The present invention will be described in detail below in conjunction with the accompanying drawings and examples.
[0029] figure 1 The regenerative double-effect second type absorption heat pump shown is realized as follows:
[0030] ① Structurally, it mainly consists of a first generator, a second generator, an absorption-generator, an absorber, a vapor distribution chamber, a first condenser, a second condenser, an evaporator, a first solution pump, and a second solution pump. Pump, solution throttle valve, first solution heat exchanger, second solution heat exchanger, first refrigerant liquid pump, second refrigerant liquid pump and throttle valve; the first generator 1 has a concentrated solution pipe Pass through the solution throttling valve 11 and the absorption-generator 3 to communicate with the steam distribution chamber 5, and the steam distribution chamber 5 also has a concentrated solution pipeline to communicate with the absorber 4 through the second s...
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The invention provides backheating double-effect and triple-effect second-type absorption heat pumps, and belongs to the technical field of absorption heat pumps. The backheating double-effect second-type absorption heat pump is composed of a first generator, a second generator, an absorbing generator, an absorber, a steam-separating chamber, a first condenser, a second condenser, an evaporator, a first solution pump, a second solution pump, a solution throttling valve, a first solution heat exchanger, a second solution heat exchanger, a first cryogen liquid pump, a second cryogen liquid pump and a throttling valve, wherein the first generator and the second generator are used for realizing a double-effect flow path, and the absorbing generator is used for realizing a backheating flow path; the first generator provides cryogen steam for the absorbing generator and the second generator respectively, the second generator provides cryogen steam for the first condenser, the steam-separating chamber provides cryogen steam for the second condenser, and the evaporator provides cryogen steam for the absorber; and components, such as a third generator and the like are additionally arranged, thereby forming the backheating second-type triple-effect absorption heat pump.
Description
Technical field: [0001] The invention belongs to the technical field of low-temperature waste heat utilization heat pumps. Background technique: [0002] In order to further improve the utilization rate of waste heat, when the temperature difference between the waste heat resource and the cold environment is large, people have proposed the second type of absorption refrigerator / heat pump unit of single-stage double-effect and single-stage three-effect, but the second type of double-effect The performance index difference between absorption heat pump and three-effect second-type absorption heat pump is large, and the same is true between single-effect and double-effect; When the maximum heat supply temperature of the double-effect unit and the triple-effect unit cannot be fully utilized. [0003] In order to further increase the heating temperature of the second type of absorption heat pump, try to increase the concentration of the solution entering the absorber; in order to...
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Login to View More IPC IPC(8): F25B15/02F25B41/00F25B41/06
CPCY02A30/27Y02B30/62
Inventor 李华玉
Owner 李华玉