CN205156103U - Heat transfer unit of integrated absorption heat pump and electronic heat pump - Google Patents
Heat transfer unit of integrated absorption heat pump and electronic heat pump Download PDFInfo
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- CN205156103U CN205156103U CN201520949103.2U CN201520949103U CN205156103U CN 205156103 U CN205156103 U CN 205156103U CN 201520949103 U CN201520949103 U CN 201520949103U CN 205156103 U CN205156103 U CN 205156103U
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Abstract
The utility model discloses a heat transfer unit of integrated absorption heat pump and electronic heat pump comprises absorption heat pump unit, water - water heat exchanger, electronic heat pump set and various connecting line and annex, the waterway system of connecting line is divided into side pipe way and secondary side pipeline two parts, mode that side pipe way adopted one by one the order to establish ties, and a side pipe way hot water passes through absorption heat pump's generator, water - water heat exchanger, absorption heat pump's evaporimeter and the evaporimeter of electronic heat pump in proper order, secondary side pipeline hot water can the various ways pass through the condenser of electronic heat pump, absorption heat pump's absorber and condenser and water - water heat exchanger, the utility model discloses can carry out cascade utilization with hydrothermal heat to increase the hydrothermal confession of once inclining by a wide margin and returned water temperature difference, improved pipe network heating capacity. The leaving water temperature of heat transfer unit is less than the secondary side temperature of intaking owing to once incline out, lower once nets the low level waste heat that return water temperature can be used for retrieving the heat source.
Description
Technical field
The utility model relates to a kind of heat-exchange unit for heating, supplying hot water, particularly relates to a kind of integrated absorption heat pump and electric heat pump and the heat-exchanger rig that a secondary net hot water can be made to increase for, backwater temperature difference, belongs to energy technology field.
Background technology
Along with China's city size constantly increases, winter constantly increases in the scale of North City central heating, and heating network constantly extends and increase-volume.For increasing area of heat-supply service, there is hot-water driven's absorption heat exchange unit, restriction due to the insulation material etc. of heating network makes hot water temperature can not very high (lower than 130 DEG C), the hot water of one secondary net conveying, often lower than 125 DEG C, causes the water temperature entering absorption heat exchange unit generator lower, causes absorption heat exchange unit driving force not enough, therefore, one secondary net return water temperature is difficult to drop to 35 DEG C, really cannot increase a secondary net supply backwater temperature difference, makes heat capacity not enough.Because a secondary net return water temperature is too high, after primary side backwater is transported to thermal source, cannot effectively reclaim thermal source waste heat, cause whole system economy to be deteriorated, be difficult to reach designing requirement.How to reduce primary side return water temperature further to increase supply backwater temperature difference further, to utilizing thermal source waste heat more fully, saving for thermal energy consumption, reducing heat cost, there is important society and economic implications.
Utility model content
The purpose of this utility model is to provide the heat-exchange unit of a kind of integrated absorption heat pump and electric heat pump, and this unit carries out cascade utilization to the energy of primary side hot water.
For achieving the above object, the utility model takes following design:
A heat-exchange unit for integrated absorption heat pump and electric heat pump, comprises water circuit system and heat-exchange unit; Described water circuit system is divided into primary side pipeline and secondary side pipeline two parts, and primary side pipeline and central heat source form periodical feeding pipeline, and secondary side pipeline is the cycling use of water pipeline carrying hot water to user;
Described heat-exchange unit is combined by an absorption heat pump, one group of water-water heat exchanger and an electric heat pump and pipeline fittings and forms;
Described primary side pipeline realizes sequential concatenation step by step by one of two kinds of modes below its influent side beginning to backwater side eventually employing:
A) primary side pipeline is successively through generator, one group of water-water heat exchanger, the evaporimeter of absorption heat pump and evaporimeter of electric heat pump of hot water type absorption heat pump;
B) primary side pipeline is successively through generator, one group of water-water heat exchanger, the evaporimeter of electric heat pump and evaporimeter of absorption heat pump of absorption heat pump;
Described secondary side pipeline to be begun to backwater side eventually one of in the following ways to realize connecting by its influent side:
C) secondary side pipeline be three roads into and out of, and three tunnels are parallel with one another, and wherein, a road is through the absorber of absorption heat pump and condenser; One tunnel is through one group of water-water heat exchanger; One tunnel is through the condenser of electric heat pump;
D) secondary side pipeline be a road into and out of, be first divided into two-way respectively through electric heat pump and absorption heat pump, remerging is that a pipeline is through one group of water-water heat exchanger;
E) secondary side pipeline one road into and out of, and all pipelines series connection, successively through electric heat pump, absorption heat pump and one group of water-water heat exchanger;
F) secondary side pipeline is form a road after three branch path parallel connections to export, and three described branch path are respectively: one through electric heat pump, one through absorption heat pump and one through one group of water-water heat exchanger;
Wherein, when described one group of water-water heat exchanger is more than 2, the primary side pipeline through all water-water heat exchangers is connected mutually.
In the heat-exchange unit of described integrated absorption heat pump and electric heat pump, described absorption heat pump adopts hot-water type or steam type absorption heat pump.
In the heat-exchange unit of described integrated absorption heat pump and electric heat pump, described electric heat pump adopts the electric heat pump of piston compressor, rotor-type compressor, scroll compressor, screw compressor or centrifugal compressor type.
Above-mentioned N preferably value is more than 2 but is not more than 5.
The utility model has the advantages that: the cascade utilization that effectively can carry out high-temperature-hot-water, significantly can reduce heat-exchange unit primary side leaving water temperature, significantly increase its confession, backwater temperature difference further, and the heating or domestic hot-water that meet instructions for use can be produced in user side.
Accompanying drawing explanation
Fig. 1 is the heat-exchange unit first embodiment composition schematic diagram of the integrated absorption heat pump of the utility model and electric heat pump.
Fig. 2 is heat-exchange unit second embodiment of the present utility model composition schematic diagram.
Fig. 3 is heat-exchange unit of the present utility model 3rd embodiment composition schematic diagram.
Fig. 4 is heat-exchange unit of the present utility model 4th embodiment composition schematic diagram.
Fig. 5 is heat-exchange unit of the present utility model 5th embodiment composition schematic diagram.
Fig. 6 is heat-exchange unit of the present utility model 6th embodiment composition schematic diagram.
Fig. 7 is heat-exchange unit of the present utility model 7th embodiment composition schematic diagram.
Fig. 8 is the water temperature parameters schematic diagram in the utility model one embody rule embodiment.
In figure: 1--absorption heat pump; 2--water-water heat exchanger; 2a--one-level water-water heat exchanger; 2b--secondary water-water heat exchanger; 3--electric heat pump; 10--primary side pipeline; 20--secondary side pipeline.
Below in conjunction with drawings and the specific embodiments, the utility model is described further.
Detailed description of the invention
See shown in Fig. 1 to Fig. 8, the utility model provides a kind of heat-exchange unit be made up of absorption heat pump 1, water-water heat exchanger 2 and electric heat pump 3 and pipeline fittings (comprising primary side pipeline, secondary side pipeline and annex) etc., described absorption heat pump 1, water-water heat exchanger 2 and electric heat pump 3 can respectively adopt one, also can select multiple.
The water circuit system of this heat-exchange unit is divided into primary side pipeline and secondary side pipeline two parts, and see shown in Fig. 1 to Fig. 7, in various embodiments, described primary side pipeline 10 all adopts the mode of sequential concatenation step by step.Fig. 1, Fig. 5 and Fig. 6 show 3 representative embodiments:
As shown in Figure 1, primary side hot water (secondary net water inlet) is successively through the generator of absorption heat pump, water-water heat exchanger, the evaporimeter of absorption heat pump and the evaporimeter of electric heat pump, specifically: for primary side water circuit system, first primary side hot water enter the generator of absorption heat pump, water-water heat exchanger heating secondary side hot water is entered after cooling, the evaporimeter of absorption heat pump is entered as low level heat energy after cooling, enter the evaporimeter of electric heat pump after heat release cooling, last side backwater (a secondary net backwater) sends central heat source back to.As shown in Figure 5, a secondary net hot water once enters the generator of absorption heat pump 1, water-water heat exchanger 2, the evaporimeter of electric heat pump 3 and the evaporimeter successively heat release cooling of absorption heat pump 1 to another kind, finally gets back to central heat source.Another as shown in Figure 6 and Figure 7, it is the water-water heat exchanger 21,22 selecting 2 grades of water-water heat exchangers 2a, 2b or multistage (N level) ... 2N, multistage water-water heat exchanger order is arranged and is mutually connected in series, and overall primary side pipeline 10 still all adopts the mode of sequential concatenation step by step.This unit carries out cascade utilization to the energy of primary side hot water, significantly can reduce heat-exchange unit primary side leaving water temperature, significantly increases its confession, backwater temperature difference further.
Described secondary side pipeline 20 can adopt the form of diversification to connect, at least comprise following several: the first connected mode as shown in Figure 1, this heat-exchange unit exports the secondary network hot water (secondary network hot water returns) of three kinds of parameters, namely pass through the secondary network hot water parameter of absorption heat pump 1, the secondary network hot water parameter by water-water heat exchanger 2 and the secondary network hot water parameter by electric heat pump 3, these three kinds of secondary network hot water parameters can not be identical.The second connected mode as shown in Figure 2, after secondary network hot water is divided into two-way to enter electric heat pump and absorption heat pump heat temperature raising respectively, then converge enter water-water heat exchanger continue heat temperature raising, be finally transported to user.As shown in Figure 3, secondary network hot water adopts series system to the third connected mode, and namely secondary network hot water enters electric heat pump, absorption heat pump and water-water heat exchanger successively after heat temperature raising successively, is transported to user.As shown in Figure 4, secondary network pipeline adopts parallel way to 4th kind of connected mode, after namely secondary network hot water enters electric heat pump, absorption heat pump and water-water heat exchanger heat temperature raising respectively, then converges a place and is transported to user.5th kind of connected mode as shown in Figure 6, have employed 2 grades of water-water heat exchangers 2a, 2b, and it is on the basis of the 4th kind of connected mode, output is converged the hot water at a place again through second level water-water heat exchanger 2b, finally exports user to.Fig. 7 is the continuity of the 5th kind of connected mode, select the water-water heat exchanger 21,22 of multistage (N level) ... 2N, secondary network pipeline adopts parallel way, namely secondary network hot water divides three stocks not enter electric heat pump, absorption heat pump and first order water-water heat exchanger 21, a road is exported, sequentially through water-water heat exchanger 22 after heat temperature raising ... 2N is transported to user.
When selecting the water-water heat exchanger 21,22 of multistage (N level) ... during 2N, also (not shown) can be expanded to the first connected mode of secondary side pipeline 20, namely secondary network water inlet parallel multiplex (comprising 2+N road) is heated simultaneously, wherein, a road water inlet heats up through the absorber of absorption heat pump 1 and condenser heat absorption; The water inlet of N road is man-to-man through water-water heat exchanger 21,22 at different levels respectively ... 2N heats, and a road water inlet is absorbed heat through the condenser of electric heat pump 3; Export the secondary network hot water on 2+N road respectively.Also (not shown) can be expanded to the second connected mode of secondary side pipeline 20, namely after secondary network hot water is divided into two-way to enter electric heat pump and absorption heat pump (this two-way is parallel form) heat temperature raising respectively, converge sequentially through water-water heat exchanger 21,22 again ... 2N continues heat temperature raising, is finally transported to user; Or be divided into 2+M road, enter the heat absorption of secondary side pipeline formant in mode parallel with one another to heat up simultaneously, wherein, one tunnel of this formant is the condenser of electric heat pump 3, one tunnel is absorber and the condenser of absorption heat pump 1, and M road is then corresponding is water-water heat exchangers at different levels before M (M is 1) level; Merge into a road again and sequentially enter remaining water-water heat exchanger continuation heat temperature raising at different levels step by step, finally flow out heat-exchange unit and return to user, wherein, M is the natural number between 1 to (N-1); Merge into a road again and sequentially enter remaining water-water heat exchanger continuation heat temperature raising at different levels step by step, finally flow out heat-exchange unit and return to user.Also (not shown) is expanded to the third connected mode of secondary side pipeline 20, namely each pipeline of secondary side pipeline 20 adopts series system, namely secondary network hot water enters the water-water heat exchanger 21,22 of electric heat pump, absorption heat pump and N level successively ... 2N, successively after heat temperature raising, be transported to user.
Below according to the requirement of the heating parameter of certain test block central heating system reality, detailed description of the invention of the present utility model is described.
As shown in Figure 8, the utility model is made up of hot water type absorption heat pump, water-water heat exchanger (board-like or positive displacement), electric heat pump and connecting line annex, and water circuit system is divided into primary side hot water line and secondary side hot water line two parts.In actual motion, one secondary net water inlet is the hot water of about 125 DEG C, first it enter absorption type heat pump assembly 1 as driving heat source, the concentrated lithium-bromide solution of heating in its generator, from absorption heat pump 1, water-water heat exchanger 2 is flowed out into as heat source when being cooled to about 90 DEG C, heating secondary network hot water, flow out from water-water heat exchanger 2 when being cooled to again about 55 DEG C, the hot water of 55 DEG C returns the evaporimeter of hot water type absorption heat pump 1 again as low-temperature heat source, about 30 DEG C outflows are cooled in its evaporimeter, finally, the evaporimeter entering electric heat pump is cooled to about 15 DEG C, return central heat source, circulation like this.Secondary network 50 DEG C of hot water are divided into three tunnels to enter unit: a road enters electric heat pump 3, in its condenser, absorb heat, flows out after being heated to about 60 DEG C; One tunnel enters hot water type absorption heat pump 1, in its absorber and condenser, absorb heat, flows out after being heated to about 60 DEG C; One tunnel enters water-water heat exchanger 2, carries out heat exchange with a secondary net hot water, flows out after being heated to 60 DEG C, is sent to heat user after the hot water effluent on three 60 DEG C, tunnels converges.Can find out, heat-exchange unit of the present utility model adopts the mode of absorption heat pump, electric heat pump and heat exchanger combination effectively can carry out the cascade utilization of high-temperature-hot-water, achieve the supply backwater temperature difference of 110 DEG C, and the heating or domestic water that meet instructions for use can be produced.
Absorption heat pump selected by the utility model preferably adopts hot water type absorption heat pump, also can adopt steam type absorption heat pump.
In the illustrated each embodiment of Fig. 6 and Fig. 7, illustrate only the water-water heat exchanger selecting multistage (N level), electric heat pump (i.e. electric drive heat pump, also referred to as compression heat pump) selected by the utility model also separate unit or multiple stage series/parallel.Repeat no longer one by one.This electric heat pump can select the compression heat pump adopting the kinds such as piston compressor, rotor-type compressor, scroll compressor, screw compressor and centrifugal compressor.
The various embodiments described above can not to depart under scope of the present utility model in addition some changes, therefore above explanation comprises and should be considered as exemplary, and is not used to limit the protection domain that the utility model applies for a patent.
Claims (3)
1. a heat-exchange unit for integrated absorption heat pump and electric heat pump, comprises water circuit system and heat-exchange unit; Described water circuit system is divided into primary side pipeline and secondary side pipeline two parts, and primary side pipeline and central heat source form periodical feeding pipeline, and secondary side pipeline is the cycling use of water pipeline carrying hot water to user; It is characterized in that:
Described heat-exchange unit is combined by an absorption heat pump, one group of water-water heat exchanger and an electric heat pump and pipeline fittings and forms;
Described primary side pipeline realizes sequential concatenation step by step by one of two kinds of modes below its influent side beginning to backwater side eventually employing:
A) primary side pipeline is successively through generator, one group of water-water heat exchanger, the evaporimeter of absorption heat pump and evaporimeter of electric heat pump of hot water type absorption heat pump;
B) primary side pipeline is successively through generator, one group of water-water heat exchanger, the evaporimeter of electric heat pump and evaporimeter of absorption heat pump of absorption heat pump;
Described secondary side pipeline to be begun to backwater side eventually one of in the following ways to realize connecting by its influent side:
C) secondary side pipeline be three roads into and out of, and three tunnels are parallel with one another, and wherein, a road is through the absorber of absorption heat pump and condenser; One tunnel is through one group of water-water heat exchanger; One tunnel is through the condenser of electric heat pump;
D) secondary side pipeline be a road into and out of, be first divided into two-way respectively through electric heat pump and absorption heat pump, remerging is that a pipeline is through one group of water-water heat exchanger;
E) secondary side pipeline one road into and out of, and all pipelines series connection, successively through electric heat pump, absorption heat pump and one group of water-water heat exchanger;
F) secondary side pipeline is form a road after three branch path parallel connections to export, and three described branch path are respectively: one through electric heat pump, one through absorption heat pump and one through one group of water-water heat exchanger;
Wherein, when described one group of water-water heat exchanger is more than 2, the primary side pipeline through all water-water heat exchangers is connected mutually.
2. the heat-exchange unit of integrated absorption heat pump as claimed in claim 1 and electric heat pump, is characterized in that: described absorption heat pump adopts hot-water type or steam type absorption heat pump.
3. the heat-exchange unit of integrated absorption heat pump as claimed in claim 2 and electric heat pump, is characterized in that: described electric heat pump adopts the electric heat pump of piston compressor, rotor-type compressor, scroll compressor, screw compressor or centrifugal compressor type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520949103.2U CN205156103U (en) | 2015-11-25 | 2015-11-25 | Heat transfer unit of integrated absorption heat pump and electronic heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520949103.2U CN205156103U (en) | 2015-11-25 | 2015-11-25 | Heat transfer unit of integrated absorption heat pump and electronic heat pump |
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| Publication Number | Publication Date |
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| CN205156103U true CN205156103U (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520949103.2U Withdrawn - After Issue CN205156103U (en) | 2015-11-25 | 2015-11-25 | Heat transfer unit of integrated absorption heat pump and electronic heat pump |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276653A (en) * | 2015-11-25 | 2016-01-27 | 北京市煤气热力工程设计院有限公司 | Heat exchange unit and method for integrating absorption heat pump and electric heat pump |
| CN106123395A (en) * | 2016-07-20 | 2016-11-16 | 燕山大学 | A kind of novel heat station system having big temperature difference heat exchange concurrently and concentrating refrigeration heat function |
| CN109780611A (en) * | 2017-11-15 | 2019-05-21 | 北京华源泰盟节能设备有限公司 | A kind of water-mixing type great temperature difference heat supply equipment and heat supply method |
| CN112555960A (en) * | 2020-11-27 | 2021-03-26 | 清华大学 | Double-water-outlet temperature heating station |
-
2015
- 2015-11-25 CN CN201520949103.2U patent/CN205156103U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276653A (en) * | 2015-11-25 | 2016-01-27 | 北京市煤气热力工程设计院有限公司 | Heat exchange unit and method for integrating absorption heat pump and electric heat pump |
| CN105276653B (en) * | 2015-11-25 | 2018-01-05 | 北京市煤气热力工程设计院有限公司 | A kind of heat-exchange unit and method of integrated absorption heat pump and electric heat pump |
| CN106123395A (en) * | 2016-07-20 | 2016-11-16 | 燕山大学 | A kind of novel heat station system having big temperature difference heat exchange concurrently and concentrating refrigeration heat function |
| CN106123395B (en) * | 2016-07-20 | 2017-04-12 | 燕山大学 | Novel heating station system having both large-temperature-difference heat exchange and concentrated heat refrigeration functions |
| CN109780611A (en) * | 2017-11-15 | 2019-05-21 | 北京华源泰盟节能设备有限公司 | A kind of water-mixing type great temperature difference heat supply equipment and heat supply method |
| CN112555960A (en) * | 2020-11-27 | 2021-03-26 | 清华大学 | Double-water-outlet temperature heating station |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160413 Effective date of abandoning: 20180105 |
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| AV01 | Patent right actively abandoned |