CN202092208U - Novel ejecting heat pump type heat transferring unit - Google Patents

Novel ejecting heat pump type heat transferring unit Download PDF

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Publication number
CN202092208U
CN202092208U CN 201120186592 CN201120186592U CN202092208U CN 202092208 U CN202092208 U CN 202092208U CN 201120186592 CN201120186592 CN 201120186592 CN 201120186592 U CN201120186592 U CN 201120186592U CN 202092208 U CN202092208 U CN 202092208U
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China
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water
valve
heat
heat exchanger
net
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Expired - Lifetime
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CN 201120186592
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Chinese (zh)
Inventor
孙方田
王娜
李德英
史永征
李光宇
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Beijing University of Civil Engineering and Architecture
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Beijing University of Civil Engineering and Architecture
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Priority to CN 201120186592 priority Critical patent/CN202092208U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12Hot water central heating systems using heat pumps

Abstract

The utility model belongs to the field of heating and heat supplying system and relates to a novel ejecting heat pump type heat transferring unit. A waterway system of the ejecting heat transferring unit comprises a first network side pipeline and a second network side pipeline, and the second network side pipeline has three connecting modes. The ejecting heat pump type heat transferring unit organically combines an ejecting type heat pump with a heat exchanger through connecting pipelines and comprises an ejecting type heat pump, a water-water heat exchanger WEX and a valve V which are all connected together through connecting pipelines. The ejecting type heat pump consists of a generator G, a condenser C, an evaporator E, an ejector EJ, a pump P, connecting pipelines and a valve V. By adopting an ejecting type heat pump technology, the heat of hot water in the first network side pipeline are used in cascade mode, thereby greatly lowering temperature of return water in the first network side pipeline, improving temperature difference of supplied return water in the first network side pipeline and waste heat recovering rate, and reducing irreversible loss in heat exchanging process. The novel ejecting heat pump type heat transferring unit can be used for recovering waste heat, solar energy and the like.

Description

Novel HEAT PUMP BASED ON EJECTING PRINCIPLE type heat exchange unit
Technical field
The utility model belongs to heating, heating system field, and particularly a kind of novel HEAT PUMP BASED ON EJECTING PRINCIPLE type heat exchange unit relates to a kind of heat pump type heat exchanging unit of heating, heat supply water specifically.Not only can be used for industrial afterheat recovery, significantly improve heat recovery rate, and the confession of once net, the backwater temperature difference of central heating system are significantly increased, improve once net conveying capacity, be mainly used in central heating system, also can be used for industrial exhaust heat low-temperature heat supply system.
Background technology
Along with the continuous increase of concentrated supply of heating in the city scale and the raising of city plot ratio, the demand sharp increase of north urban heating load, restriction because of the environmental protection factor, newly-built central heat source is generally in the suburb away from the urban district, the high-temperature-hot-water that central heat source produces need be grown the conveying of distance, thereby cause that the pipe network conveying energy consumption is higher, the pipe network investment is higher, the central heating cost is higher.In addition, along with the continuous increase of city plot ratio, the building heat supplying area in original heating network area under one's jurisdiction sharply increases, the sharp increase of heating demand demand, has highlighted the contradiction between Winter heat supply demand and the heat supply network heat deliverability deficiency.Confession/the return water temperature of conventional central heating technology is generally about 130 ℃/60 ℃.Because once the net return water temperature is subjected to the restriction that the user locates to use heat request, and can not further reduce again.
How significantly to reduce once the net return water temperature, increase supply backwater temperature difference, improve once net conveying capacity, enlarging the central heat source heat range of heat, reducing heat cost is the technical barrier that needs to be resolved hurrily at present.How to reclaim industrial waste heat and solar energy high temperature heat energy and contain the key technology that the available energy that accumulates is the realization reasonable energy, await solving.
The utility model content
The purpose of this utility model is to provide a kind of novel HEAT PUMP BASED ON EJECTING PRINCIPLE type heat exchange unit at the problem that the central heating of northern cities and towns exists, the water circuit system of injection type heat exchange unit is divided into once net lateral line and secondary net lateral line two parts, and secondary net lateral line has three kinds of connected modes; It is characterized in that, first kind of connected mode, HEAT PUMP BASED ON EJECTING PRINCIPLE type heat exchange unit is by connecting line HEAT PUMP BASED ON EJECTING PRINCIPLE and heat exchanger to be combined; HEAT PUMP BASED ON EJECTING PRINCIPLE is connected to form by pipeline by generator G, condenser C, injector EJ, evaporimeter E and pump P; Wherein, the cavity two ends of generator G connect injector EJ and pump P respectively; Injector EJ and pump P are connected the cavity two ends of condenser C again; Guan Yiduan is connected with interior Guan Yiduan under the water water-to-water heat exchanger WEX in the generator G, and the other end of the down interior pipe of water water-to-water heat exchanger WEX is connected with an end of pipe in the evaporimeter E, and the other end conduct of the interior pipe of evaporimeter E is the net hot water outlet once; The pipe other end is net hot water inlet once in the generator G; Guan Yiduan connects with the upward interior Guan Yiduan of water water-to-water heat exchanger WEX and is connected the back as secondary net hot water outlet in the condenser C; The connection of evaporimeter E cavity two ends connects the V1 valve respectively and injector EJ side joint joins, and the V1 valve is connected with the common contact of condenser C cavity with pump P again; The pipe other end is connected with the V2 valve in the condenser C, and the V2 valve is connected with the V3 valve again, and this connector is as secondary net hot water inlet; The other end of pipe was connected in the V3 valve was gone up with water water-to-water heat exchanger WEX again.
The water circuit system of described injection type heat exchange unit is divided into once net lateral line and secondary net lateral line two parts; Once the net lateral line adopts series system, after promptly once net hot water at first enters generator G heat release cooling as driving heat source; After entering water water-to-water heat exchanger WEX continuation heat release cooling again; Enter the further heat release cooling of evaporimeter E as low-temperature heat source then, last conduct once net backwater turns back to once net lateral line; Secondary net lateral line adopts parallel way, and promptly secondary net hot water divides two-way, and one road hot water enters condenser C, in HEAT PUMP BASED ON EJECTING PRINCIPLE inside by the heat pump fluid heat temperature raising; Another road hot water enters water water-to-water heat exchanger WEX and is converged with secondary net hot water from condenser C behind the net hot water heat temperature raising once, and supplying water as the secondary net then is transported to each hot user.
Second kind of connected mode and first kind of connected mode are basic identical, different is to remove, V2 valve and V3 valve, an end reconfiguration of pipe was to an end of the interior pipe of condenser C in water water-to-water heat exchanger WEX went up, the other end of pipe is a secondary net hot water outlet in the condenser C, and the other end of pipe directly was a secondary net hot water inlet in water water-to-water heat exchanger WEX went up; The secondary net lateral line of this connected mode adopts series system, secondary net hot water flow through successively water water-to-water heat exchanger WEX and condenser C.
The third connected mode and first kind of connected mode are basic identical, different is to adopt water water-to-water heat exchanger WEX1 and water water-to-water heat exchanger WEX2 two-stage series connection mode, an end of pipe joins in public junction of going up interior Guan Yiduan of the two and the condenser C, the pipe other end was a secondary net hot water outlet in water water-to-water heat exchanger WEX2 went up, the pipe other end was connected with V2 valve one end in water water-to-water heat exchanger WEX1 went up, the other end of pipe is connected with the V3 valve in the condenser C, and the public junction of V2 valve and V3 valve is a secondary net hot water inlet; Water water-to-water heat exchanger WEX1 is connected with the following interior pipe of evaporimeter E, generator G respectively with the interior down two ends of managing after connecting of water water-to-water heat exchanger WEX2; The secondary net hot water of this connected mode divides two-way, and through condenser C, after two-way hot water converged then, the water water-to-water heat exchanger WEX2 that flows through together again was transported to hot user after being heated intensification to one tunnel flow of hot water through water water-to-water heat exchanger WEX1, another flow of hot water.
The beneficial effects of the utility model are that the heat pump fluid in HEAT PUMP BASED ON EJECTING PRINCIPLE inside enters among the generator G, once become steam after the heating of net hot water, enter injector EJ, injection comes the heat pump fluid steam of flash-pot E simultaneously, after the two-way heat pump fluid converges, flow into condenser C and be condensed into liquid by secondary net hot water; This heat pump fluid liquid divides two-way, and one road heat pump fluid liquid enters pump P, is transported to generator G after pressurized, and another road heat pump fluid liquid is through V 1After the valve step-down throttling, enter evaporimeter E, quilt once net hot water heating becomes the heat pump fluid steam, is drawn among the injector EJ from the hot high pressure pump work substance steam among the generator G then, and heat pump fluid so circulates; So injection type heat exchange unit transfer of heat, reduce return water temperature so that better reclaim thermal source place used heat or solar energy, improve thermal source efficient, under the prerequisite that satisfies the hot user's heat demand of secondary net, carry out cascade utilization to once netting to supply water, also can increase simultaneously the supply backwater temperature difference of primary side pipeline, improve the heat supply network conveying capacity, reduce the heat supply network initial cost.
Description of drawings
Fig. 1 is that first kind of system forms and pipeline connecting mode.
Fig. 2 is that second kind of system forms and pipeline connecting mode.
Fig. 3 forms and pipeline connecting mode for the third system.
Number in the figure:
The G-generator; The C-condenser; The EJ-injector; The E-evaporimeter; WEX 1, WEX 2-heat exchanger; The V-valve; The P-pump; 1 Out-once net hot water goes out; 1 In-once net hot water advances; 2 Out-secondary net hot water goes out; 2 In-secondary net hot water advances;
The specific embodiment
The utility model provides a kind of novel HEAT PUMP BASED ON EJECTING PRINCIPLE type heat exchange unit, can be under the prerequisite that satisfies the hot user's heat demand of secondary net, carry out cascade utilization to once netting to supply water, significantly reduce once net return water temperature, improve once net confession, backwater temperature difference, improve the heat supply network conveying capacity, reduce the heat supply network initial cost.The utility model is according to the actual engineering demand of different user, and the secondary side pipeline of injection type heat exchange unit has three kinds of connected modes; Further specified below in conjunction with accompanying drawing.
First kind of system forms and pipeline connecting mode as shown in Figure 1, and among the figure, HEAT PUMP BASED ON EJECTING PRINCIPLE type heat exchange unit is by connecting line HEAT PUMP BASED ON EJECTING PRINCIPLE and heat exchanger to be combined; HEAT PUMP BASED ON EJECTING PRINCIPLE is connected to form by pipeline by generator G, condenser C, injector EJ, evaporimeter E and pump P; The water circuit system of HEAT PUMP BASED ON EJECTING PRINCIPLE heat exchange unit is divided into once net lateral line and secondary net lateral line two parts.The primary side pipeline adopts series system, and the secondary side pipeline adopts parallel way, and wherein, the cavity two ends of generator G connect injector EJ and pump P respectively; Injector EJ and pump P are connected the cavity two ends of condenser C again; Guan Yiduan is connected with interior Guan Yiduan under the water water-to-water heat exchanger WEX in the generator G, and the other end of the down interior pipe of water water-to-water heat exchanger WEX is connected with an end of pipe in the evaporimeter E, and the other end conduct of the interior pipe of evaporimeter E is the net hot water outlet once; The pipe other end is net hot water inlet once in the generator G; Guan Yiduan connects with the upward interior Guan Yiduan of water water-to-water heat exchanger WEX and is connected the back as secondary net hot water outlet in the condenser C; The connection of evaporimeter E cavity two ends connects the V1 valve respectively and injector EJ side joint joins, and the V1 valve is connected with the common contact of condenser C cavity with pump P again; The pipe other end is connected with the V2 valve in the condenser C, and the V2 valve is connected with the V3 valve again, and this connector is as secondary net hot water inlet; The other end of pipe was connected in the V3 valve was gone up with water water-to-water heat exchanger WEX again;
The pipe-line system of this connected mode is divided into once net lateral line and secondary net lateral line two parts; Once the net lateral line adopts series system, after promptly once net hot water at first enters generator G heat release cooling as driving heat source; After entering water water-to-water heat exchanger WEX continuation heat release cooling again; Enter the further heat release cooling of evaporimeter E as low-temperature heat source then, last conduct once net backwater turns back to once net lateral line; Secondary net lateral line adopts parallel way, and secondary net hot water divides two-way, and one road hot water enters condenser C, in HEAT PUMP BASED ON EJECTING PRINCIPLE inside by the heat pump fluid heat temperature raising; Another road hot water enters water water-to-water heat exchanger WEX and is converged with secondary net hot water from condenser C behind the net hot water heat temperature raising once, flows into condenser C and is condensed into liquid by secondary net side hot water; Heat pump fluid liquid divides two-way, and one road heat pump fluid liquid enters pump P, is transported to generator G after pressurized, and another road heat pump fluid liquid is through valve V 1After the step-down throttling, enter evaporimeter E and become the heat pump fluid steam by the heating of the hot water of primary side pipeline, be drawn among the injector EJ from the hot high pressure pump work substance steam among the generator G then, finish a circulation, heat pump fluid so circulates.Supply water as the secondary net then and be transported to each hot user.
Being illustrated in figure 2 as second kind of system forms and pipeline connecting mode; Second kind of connected mode of the present invention and first kind of connected mode are basic identical, different is to remove V2 valve and V3 valve, an end reconfiguration of pipe was to an end of the interior pipe of condenser C in water water-to-water heat exchanger WEX went up, the other end of pipe is a secondary net hot water outlet in the condenser C, and the other end of pipe directly was a secondary net hot water inlet in water water-to-water heat exchanger WEX went up; The secondary net lateral line of this connected mode adopts series system, secondary net hot water flow through successively water water-to-water heat exchanger WEX and condenser C.
Being illustrated in figure 3 as the third system forms and pipeline connecting mode.The third connected mode and first kind of connected mode are basic identical, different is to adopt water water-to-water heat exchanger WEX1 and water water-to-water heat exchanger WEX2 two-stage series connection mode, an end of pipe joins in public junction of going up interior Guan Yiduan of the two and the condenser C, the pipe other end was a secondary net hot water outlet in water water-to-water heat exchanger WEX2 went up, the pipe other end was connected with V2 valve one end in water water-to-water heat exchanger WEX1 went up, the other end of pipe is connected with the V3 valve in the condenser C, V2 valve and V3 valve public junction be secondary net hot water inlet; Water water-to-water heat exchanger WEX1 is connected with the following interior pipe of evaporimeter E, generator G respectively with the interior down two ends of managing after connecting of water water-to-water heat exchanger WEX2; The secondary net hot water of this connected mode divides two-way, and through condenser C, after two-way hot water converged then, the water water-to-water heat exchanger WEX2 that flows through together again was transported to hot user after being heated intensification to one tunnel flow of hot water through water water-to-water heat exchanger WEX1, another flow of hot water.
This injection type heat exchange unit transfer of heat reduces return water temperature and goes out used heat or solar energy so that better reclaim thermal source, improves thermal source efficient, also can increase the supply backwater temperature difference of primary side pipeline simultaneously, improves the heat supply network conveying capacity, reduces the heat supply network initial cost.

Claims (4)

1. novel HEAT PUMP BASED ON EJECTING PRINCIPLE type heat exchange unit, the water circuit system of injection type heat exchange unit is divided into once net lateral line and secondary net lateral line two parts, and secondary net lateral line has three kinds of connected modes; It is characterized in that, first kind of connected mode, HEAT PUMP BASED ON EJECTING PRINCIPLE type heat exchange unit is by connecting line HEAT PUMP BASED ON EJECTING PRINCIPLE and heat exchanger to be combined; HEAT PUMP BASED ON EJECTING PRINCIPLE is connected to form by pipeline by generator (G), condenser (C), injector (EJ), evaporimeter (E) and pump (P); Wherein, the cavity two ends of generator (G) connect injector (EJ) and pump (P) respectively; Injector device (EJ) and pump (P) are connected the cavity two ends of condenser (C) again; The interior Guan Yiduan of generator (G) is connected with the down interior Guan Yiduan of water water-to-water heat exchanger (WEX), and the other end of the down interior pipe of water water-to-water heat exchanger (WEX) and an end of the interior pipe of evaporimeter (E) are connected, and the other end conduct of the interior pipe of evaporimeter (E) is the net hot water outlet once; The pipe other end is net hot water inlet once in the generator (G); The interior Guan Yiduan of condenser (C) goes up interior Guan Yiduan with water water-to-water heat exchanger (WEX) and is connected the back as secondary net hot water outlet; The connection of evaporimeter (E) cavity two ends connects the V1 valve respectively and injector (EJ) side joint joins, and the V1 valve is connected with the common contact of pump (P) with condenser (C) cavity again; The pipe other end is connected with the V2 valve in the condenser (C), and the V2 valve is connected with the V3 valve again, and this connector is as secondary net hot water inlet; The other end of pipe was connected in the V3 valve was gone up with water water-to-water heat exchanger (WEX) again.
2. according to the described novel HEAT PUMP BASED ON EJECTING PRINCIPLE type heat exchange unit of claim 1, it is characterized in that the water circuit system of described injection type heat exchange unit is divided into once net lateral line and secondary net lateral line two parts; Once the net lateral line adopts series system, and secondary net lateral line adopts parallel way.
3. described novel HEAT PUMP BASED ON EJECTING PRINCIPLE type heat exchange unit of claim 1, it is characterized in that, second kind of connected mode and first kind of connected mode are basic identical, different is to remove V2 valve and V3 valve, an end reconfiguration of pipe was to an end of the interior pipe of condenser (C) in water water-to-water heat exchanger (WEX) was gone up, the other end of the interior pipe of condenser (C) is a secondary net hot water outlet, and the other end of pipe directly was a secondary net hot water inlet in water water-to-water heat exchanger (WEX) was gone up; The secondary net lateral line of this connected mode adopts series system.
4. described novel HEAT PUMP BASED ON EJECTING PRINCIPLE type heat exchange unit of claim 1, it is characterized in that, the third connected mode and first kind of connected mode are basic identical, different is to adopt water water-to-water heat exchanger (WEX1) and water water-to-water heat exchanger (WEX2) two-stage series connection, a public junction of going up interior Guan Yiduan of the two and an end of the interior pipe of condenser (C) join, the pipe other end was a secondary net hot water outlet in water water-to-water heat exchanger (WEX2) was gone up, the pipe other end was connected with V2 valve one end in water water-to-water heat exchanger (WEX1) was gone up, the other end of the interior pipe of condenser (C) is connected with the V3 valve, V2 valve and V3 valve public junction be secondary net hot water inlet; Water water-to-water heat exchanger (WEX1) is connected with the following interior pipe of evaporimeter (E), generator (G) respectively with the interior down two ends of managing after connecting of water water-to-water heat exchanger (WEX2).
CN 201120186592 2011-06-03 2011-06-03 Novel ejecting heat pump type heat transferring unit Expired - Lifetime CN202092208U (en)

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Application Number Priority Date Filing Date Title
CN 201120186592 CN202092208U (en) 2011-06-03 2011-06-03 Novel ejecting heat pump type heat transferring unit

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Application Number Priority Date Filing Date Title
CN 201120186592 CN202092208U (en) 2011-06-03 2011-06-03 Novel ejecting heat pump type heat transferring unit

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CN202092208U true CN202092208U (en) 2011-12-28

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102226542A (en) * 2011-06-03 2011-10-26 北京建筑工程学院 Ejector type heat pump heat transfer set
CN102589034A (en) * 2012-03-01 2012-07-18 清华大学 Two-stage generation and two-stage condensation jet type heat exchanger unit
CN103670548A (en) * 2013-12-04 2014-03-26 大连葆光节能空调设备厂 Heat and power cogeneration central heating system based on heat pump

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102226542A (en) * 2011-06-03 2011-10-26 北京建筑工程学院 Ejector type heat pump heat transfer set
CN102226542B (en) * 2011-06-03 2014-04-23 北京建筑工程学院 Ejector type heat pump heat transfer set
CN102589034A (en) * 2012-03-01 2012-07-18 清华大学 Two-stage generation and two-stage condensation jet type heat exchanger unit
CN102589034B (en) * 2012-03-01 2014-04-16 清华大学 Two-stage generation and two-stage condensation jet type heat exchanger unit
CN103670548A (en) * 2013-12-04 2014-03-26 大连葆光节能空调设备厂 Heat and power cogeneration central heating system based on heat pump

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Granted publication date: 20111228

Effective date of abandoning: 20140423