CN208398417U - A kind of power plant's Waste Heat Recovery absorption type heat pump system - Google Patents
A kind of power plant's Waste Heat Recovery absorption type heat pump system Download PDFInfo
- Publication number
- CN208398417U CN208398417U CN201820283253.8U CN201820283253U CN208398417U CN 208398417 U CN208398417 U CN 208398417U CN 201820283253 U CN201820283253 U CN 201820283253U CN 208398417 U CN208398417 U CN 208398417U
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- China
- Prior art keywords
- evaporator
- output end
- condenser
- solution
- power plant
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model is a kind of power plant's Waste Heat Recovery absorption type heat pump system, its main feature is that, it is sequentially connected including generator, condenser, throttle valve, the first evaporator, the second evaporator, absorber, solution pump, solution heat exchanger, steam of generator output end is connected with condenser input terminal；Generator concentrated solution output end is connected with solution heat exchanger, condenser output end is connected with the first evaporator input terminal, first evaporator is connected by throttle valve with condenser, first evaporator output end is connected with the second evaporator output end, water treatment facilities is installed, the second evaporator is connect with water treatment facilities on the left of the second evaporator.The waste heat of boiler blowdown water can be rationally recycled, the pollution and energy dissipation to environment are reduced on the basis of recycling circulating cooling water of power plant waste heat, improve the utilization rate of the energy, unit heat supply efficiency is increased, the cascade utilization of energy is realized, effects of energy saving and emission reduction is obvious.
Description
Technical field
The utility model relates to field of waste heat recovery, specifically, being a kind of power plant's Waste Heat Recovery absorption heat pump system
System.
Background technique
Currently, to have graduallyd mature and be widely used in petroleum, chemical industry, metallurgy and power plant etc. each for absorption heat pump technology
Field, for power plant, using first kind gain of heat type absorption type heat pump system, using high-grade thermal energy steam as heat pump unit
Driving heat source, lithium bromide-water solution recycle the low grade heat energies such as circulating cooling water of power plant and heat up for hot net water as working medium pair
Heat supply afterwards.The problem of this not only can be with effective solution residual heat of electric power plant resource serious waste, also improves cogeneration power plant
Heat capacity, but the low-grade energy that typical absorption formula heat pump system recycles in power plant is recirculated cooling water, heat pump system
System performance does not effectively improve, still needs to heat hot net water again with the steam extraction of steam turbine part, boiler tail flue gas in power plant,
The waste heat such as sewerage are not utilized effectively yet and cause a large amount of heat wasters and thermal pollution.
Summary of the invention
The purpose of this utility model is that overcoming the deficiencies of the prior art and provide a kind of structurally reasonable, good power plant of effect
The boiler blowdown water not being utilized effectively in power plant can be carried out waste heat recycling by Waste Heat Recovery absorption type heat pump system,
To improve residual heat of electric power plant recycling ability and heat pump unit performance, the pollution to environment is reduced.
To achieve the above object, the utility model provides the following technical solutions: a kind of power plant's Waste Heat Recovery absorption type heat
Pumping system, it includes generator 1, condenser 2, and 1 steam output end of generator is connected with 2 input terminal of condenser, feature
Be: the concentrated solution output end of the generator 1 is connected with solution heat exchanger 8,2 output end of condenser and the first evaporation
4 input terminal of device is connected, and first evaporator 4 is connected by throttle valve 3 with condenser 2,4 output end of the first evaporator and
Second evaporator, 5 output end is connected, and second evaporator 5 is connect with the water treatment facilities 10 that its left side is arranged；Described second
5 output end of evaporator is connected with 6 input terminal of absorber, and 8 output end of solution heat exchanger is inputted by solvent valve 9 and absorber 6
End is connected；6 output end of absorber is connected with solution pump 7, and the other end of the solution pump 7 is connected with solution heat exchanger 8,
Another output end of the solution heat exchanger 8 is connected with generator 1.
Preferably, the generator 1 and condenser 2 is in upper shell and condenser 2 is in upper, 4 He of the first evaporator
Second evaporator 5 and absorber 6 are arranged in lower shell from top to bottom.
Preferably, second evaporator 5 is shell-and-tube heat exchanger.
The connection of all parts recited above is connected by pipeline.Each components are all existing components.
Compared with prior art, the utility model has the beneficial effects that the novel recycling power plant waste heat absorption heat pump system
System rationally recycles the waste heat of sewerage on the basis of recycle circulating cooling water of power plant waste heat, reduce pollution to environment and
Energy dissipation improves the utilization rate of the energy, increases unit heat supply efficiency, realizes the cascade utilization of energy, energy-saving and emission-reduction
Effect is obvious.
Detailed description of the invention
Fig. 1 is the flowage structure figure of the absorption heat pump circulating system of the utility model；
In figure: 1, generator, 2, condenser, 3, throttle valve, the 4, first evaporator, the 5, second evaporator, 6, absorber, 7,
Solution pump, 8, solution heat exchanger, 9, solvent valve, 10, water treatment facilities.
Fig. 2 is the structural plan of the absorption heat pump circulating system of the utility model；
Fig. 2: C- condenser；G- generator；The first evaporator of E1-；The second evaporator of E2-；A- absorber.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of power plant's Waste Heat Recovery absorption heat pump system
System, including generator 1, condenser 2, throttle valve 3, the first evaporator 4, the second evaporator 5, absorber 6, solution pump 7, solution heat
Exchanger 8,1 steam output end of generator are connected with 2 input terminal of condenser, and steam is condensed in condenser 2 and put, hot set structure
For Dual-drum, generator 1 and condenser 2 are in upper shell and condenser 2 is upper, the first evaporator 4 and the second evaporator 5 and inhale
It receives device 6 and is arranged in lower shell from top to bottom, the other end output concentrated solution of generator 1 is connected with solution heat exchanger 8, and first steams
Hair device 4 is connected by throttle valve 3 with condenser 2,5 output end of 4 output end of the first evaporator and the second evaporator
It is connected, the left side of the second evaporator 5 is equipped with water treatment facilities 10, and the second evaporator 5 selects sewerage as heat
Source, sewerage are directly entered in the second evaporator 5, and water treatment facilities 10 is added in connecting pipe, the sewerage discharge after heat release
Into irrigation canals and ditches, 5 output end of the second evaporator is connected with the input terminal of absorber 6, the steam and bromination of 5 output end of the second evaporator
Lithium concentrated solution mixes in absorber 6 becomes weak solution, and weak solution passes through solution pump 7 again and is pressed into solution heat exchanger 8, in solution
Solvent valve 9 is set in heat exchanger 8 and 6 pipeline of absorber, and another output end of solution heat exchanger 8 is connected with generator 1, is
System constitutes closed circuit.
A kind of power plant's Waste Heat Recovery absorption type heat pump system circulation process divides refrigerant circuit and solution loop, refrigerant
Circuit can make the steam extraction of steam turbine enter generator 1 as absorption heat pump driving heat source, and lithium bromide weak solution is heated and is produced
Raw high-temperature high-pressure refrigerant steam enters condenser 2, and steam condenses heat release in condenser 2, due to the first evaporator 4 and second
Evaporator 5 is connected, and the water after condensing in condenser 2 becomes low-temp low-pressure steam water interface after throttle valve 3, into the first evaporation
It is heated to be saturated vapor after device 4 and the second evaporator 5, since 5 output end of the second evaporator is connected with the input terminal of absorber 6,
Steam enters absorber 6；Solution loop can make in generator 1 that lithium bromide weak solution becomes concentrated solution, concentrated solution after water vapor
Into solution heat exchanger 8 and lithium bromide weak solution heat exchange after enter absorber 6 after, with from 5 output end of the second evaporator come
Steam becomes weak solution in the mixing of absorber 6, send lithium bromide weak solution to solution heat exchanger 8 and lithium bromide through solution pump 7
Enter generator 1 after concentrated solution heat exchange, starts next circulation.
Wherein following component is related to the situation that exchanges heat: driving heat source, which enters generator 1, makes water vapor；High-temperature high pressure water steams
Gas enters condenser heat rejection, hot net water heat absorption heating；First evaporator, 4 absorption cycle cooling water heat is steamed for primary heating water
Gas, the second evaporator 5 absorb sewerage waste heat and carry out reheating vapor；Vapor and lithium bromide concentrated solution are mixed in absorber
Closing heat release makes hot net water heat up；The lithium bromide concentrated solution that generator 1 exports enters solution heat exchanger, and lithium bromide weak solution is pre-
Heat.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of power plant's Waste Heat Recovery absorption type heat pump system, it includes generator (1), condenser (2), the generator
(1) steam output end is connected with condenser (2) input terminal, it is characterised in that: the concentrated solution output end of the generator (1) with it is molten
Liquid heat exchanger (8) is connected, and condenser (2) output end is connected with the first evaporator (4) input terminal, first evaporator
(4) it is connected by throttle valve (3) with condenser (2), the first evaporator (4) output end and the second evaporator (5) output end
It is connected, second evaporator (5) connect with the water treatment facilities (10) that its left side is arranged；Second evaporator (5) output
End is connected with absorber (6) input terminal, and solution heat exchanger (8) output end passes through solvent valve (9) and absorber (6) input terminal phase
Even；Absorber (6) output end is connected with solution pump (7), the other end of the solution pump (7) and solution heat exchanger (8)
It is connected, another output end of the solution heat exchanger (8) is connected with generator (1).
2. a kind of power plant's Waste Heat Recovery absorption type heat pump system according to claim 1, it is characterised in that: the generation
Device (1) and condenser (2) are in upper shell, and condenser (2) is upper, first evaporator (4) and the second evaporator (5) and
Absorber (6) is arranged in lower shell from top to bottom.
3. a kind of power plant's Waste Heat Recovery absorption type heat pump system according to claim 1, it is characterised in that: described second
Evaporator (5) is tube shell type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820283253.8U CN208398417U (en) | 2018-02-28 | 2018-02-28 | A kind of power plant's Waste Heat Recovery absorption type heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820283253.8U CN208398417U (en) | 2018-02-28 | 2018-02-28 | A kind of power plant's Waste Heat Recovery absorption type heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208398417U true CN208398417U (en) | 2019-01-18 |
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ID=65064134
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820283253.8U Expired - Fee Related CN208398417U (en) | 2018-02-28 | 2018-02-28 | A kind of power plant's Waste Heat Recovery absorption type heat pump system |
Country Status (1)
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| CN (1) | CN208398417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692775A (en) * | 2020-06-22 | 2020-09-22 | 国网综合能源服务集团有限公司 | Lithium bromide absorption heat pump |
-
2018
- 2018-02-28 CN CN201820283253.8U patent/CN208398417U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692775A (en) * | 2020-06-22 | 2020-09-22 | 国网综合能源服务集团有限公司 | Lithium bromide absorption heat pump |
| CN111692775B (en) * | 2020-06-22 | 2022-01-11 | 国网综合能源服务集团有限公司 | Lithium bromide absorption heat pump |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 Termination date: 20210228 |