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Two-stage generation and two-stage condensation jet type heat exchanger unit
Active Publication Date: 2014-04-16
TSINGHUA UNIV +1
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[0002] With the continuous increase of the scale of urban central heating and the improvement of urban volume ratio, the demand for heating load in northern cities and towns has increased sharply. Water needs to be transported over long distances, resulting in high energy consumption for pipeline network transmission, high pipeline network investment, and high central heating costs
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Embodiment 1
[0028] A two-stage generation-two-stage condensation jet heat exchanger unit, such as figure 1As shown, it consists of jet heat pump, water-to-water heat exchanger WEX, connecting pipeline, circulating water pump P w , valves and other accessories, the connecting pipelines are divided into working fluid system pipelines and water system pipelines, wherein the water system pipelines are further divided into primary side pipelines and secondary side pipelines. The heat pump and the water-to-water heat exchanger WEX are organically combined.
[0029] The jet heat pump adopts a two-stage generation-two-stage condensation-two-stage evaporation structure, and its system consists of a high-temperature generator G 1 , low temperature generator G 2 , low pressure condenser C 1 , high pressure condenser C 2 , High pressureevaporator E 1 , low pressure evaporator E 2 , Liquid-vapor injector EJ 1 , Steam-steam injector EJ 2 , Vapor-liquid injector EJ 3 , regenerator IHE, working...
Embodiment 2
[0034] A two-stage generation-two-stage condensation jet heat exchanger unit, such as figure 2 As shown, it consists of jet heat pump, water-to-water heat exchanger WEX, connecting pipeline, circulating water pump P w , valves and other accessories, the connecting pipeline is divided into working fluid system pipeline and water system pipeline, wherein the water system pipeline is divided into primary side pipeline system and secondary side pipeline system, through the connecting pipeline Organically combine jet heat pump and water-to-water heat exchanger WEX.
[0035] The jet heat pump adopts a two-stage generation-two-stage condensation-two-stage evaporation structure, and its system consists of a high-temperature generator G 1 , low temperature generator G 2 , low pressure condenser C 1 , high pressure condenser C 2 , High pressureevaporator E 1 , low pressure evaporator E 2 , Liquid-vapor injector EJ 1 , Steam-steam injector EJ 2 , Vapor-liquid injector EJ 3 , r...
Embodiment 3
[0040] A two-stage generation-two-stage condensation jet heat exchanger unit, such as image 3 As shown, it consists of jet heat pump, water-to-water heat exchanger WEX, connecting pipeline, circulating water pump P w , valves and other accessories, the connecting pipelines are divided into working fluid system pipelines and water system pipelines, wherein the water system pipelines are further divided into primary side pipelines and secondary side pipelines. The heat pump and the water-to-water heat exchanger WEX are organically combined.
[0041] The jet heat pump adopts a two-stage generation-two-stage condensation-single-stage evaporation structure, and the high-temperature generator G 1 , low temperature generator G 2 , low pressure condenser C 1 , high pressure condenser C 2 , low pressure evaporator E 2 , Steam-steam injector EJ 2 , Vapor-liquid injector EJ 3 , regenerator IEX, working fluid circulation pump P R , throttling device V R , storage tank S, connect...
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Abstract
The invention discloses a two-stage generation and two-stage condensation jet type heat exchanger unit. The heat exchanger unit consists of a jet type heat pump, a water-water heat exchanger WEX, connecting pipelines, a circulating water pump Pw, a valve and other accessories. The jet type heat pump comprises a structure with two-stage generation, two-stage condensation and two-stage evaporation and a structure with two-stage generation, two-stage condensation and single-stage evaporation. The connecting pipelines are divided into a working medium system pipeline and a water system pipeline, wherein the water system pipeline is divided into a primary side pipeline and a secondary side pipeline. By means of the jet type heat pump technology, unit components are organically combined together through a certain pipeline connecting mode, and water supply heat of the primary side pipeline is utilized in a stage mode, thereby greatly reducing return water temperature of the primary side pipeline so as to increase temperature difference of supplied return water of the primary side pipeline and remarkably improving hot water heat transferring capability of the primary side pipeline and the secondary side pipeline.
Description
technical field [0001] The invention belongs to the technical field of energy utilization, and in particular relates to a two-stage generation-two-stage condensation jet heat exchange unit. Background technique [0002] With the continuous increase of the scale of urban central heating and the improvement of urban volume ratio, the demand for heating load in northern cities and towns has increased sharply. Water needs to be transported over long distances, resulting in high energy consumption for pipeline network transmission, high pipeline network investment, and high central heating costs. In addition, with the continuous increase of urban floor area ratio, the heating area of buildings in the original heating pipe network area has increased sharply, and the demand for heating load has increased sharply, which has highlighted the gap between the demand for heating in winter and the insufficient heat supply capacity of the heating network. contradictions between. For co...
Claims
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Application Information
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