CN205640981U - Utilize device of absorption heat pump drive fan heater - Google Patents
Utilize device of absorption heat pump drive fan heater Download PDFInfo
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- CN205640981U CN205640981U CN201620395480.0U CN201620395480U CN205640981U CN 205640981 U CN205640981 U CN 205640981U CN 201620395480 U CN201620395480 U CN 201620395480U CN 205640981 U CN205640981 U CN 205640981U
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- heat pump
- absorption heat
- absorption
- refrigerant
- absorber
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model provides an utilize device of absorption heat pump drive fan heater, including the steam turbine, the continuous absorption heat pump generator of steam extraction port with the steam turbine, the refrigerant entry of the refrigerant exit linkage absorption heat pump condenser of absorption heat pump generator, the refrigerant entry of absorption heat pump evaporimeter is connected in the refrigerant export of absorption heat pump condenser through the choke valve, the refrigerant entry of the refrigerant exit linkage absorption heat pump absorber of absorption heat pump evaporimeter, the weak solution entry of absorption heat pump generator is connected in the weak solution export of absorption heat pump absorber through the circulating pump, the concentrated solution entry of the concentrated solution exit linkage absorption heat pump absorber of absorption heat pump generator, the flue gas heat transfer of air through get into air heater after the heat exchanger heat absorption in, absorption heat pump's low temperature heat source can be provided by heats source such as steam turbine exhaust steam waste heat, flue gas waste heat, auxiliary engine recirculated cooling water, the utility model discloses the device reduces the irreversible loss of fan heater, saves the part and draws gas, increases the steam turbine and goes out the merit.
Description
Technical field
This utility model relates to thermoelectricity field of energy-saving technology, especially one and utilizes absorption heat pump to drive steam air heater
Device.
Background technology
Boiler Air Heater's is that one utilizes steam turbine regenerative steam to heat primary and secondary air for thermal source, is lifted into sky
The boiler auxiliary equipment of the air themperature of the air themperature of air preheater and entrance burner hearth.Boiler start or
During underrun, exhaust gas temperature is relatively low, or when running in the winter time, air themperature is relatively low, easily makes air pre-
The cold end generation cold end corrosion of hot device.And the basic function of steam air heater utilizes extracted steam from turbine to carry out heating boiler exactly
Air intake, is delivered into air preheater by the air of heating, improves the inlet air temperature of air preheater, anti-
Only there is cold end corrosion, flue gas and the irreversible loss of air heat-exchange in air preheater can also be reduced simultaneously,
Play the effect reducing coal consumption.
At present the steam air heater of power plant generally uses five to take out, six takes out as thermal source, part power plant even uses three to take out,
Four take out as thermal source, and this part acting ability of drawing gas is relatively strong, and relatively big with the temperature difference of air, and heat transfer is not
Reversible loss is relatively big, is unfavorable for reducing coal consumption.
Summary of the invention
For the problem overcoming above-mentioned prior art to exist, main purpose of the present utility model is to provide one
Utilizing absorption heat pump to drive the device of steam air heater, to reduce the irreversible loss of steam air heater, saving part is taken out
Vapour, increases steam turbine and goes out merit.
For reaching above-mentioned purpose, this utility model adopts the following technical scheme that
A kind of device utilizing absorption heat pump to drive steam air heater, including steam turbine 1, with drawing gas of steam turbine 1
The absorption heat pump generator 2 that mouth is connected, the refrigerant outlet of absorption heat pump generator 2 connects absorption type heat
The refrigerant inlet of pump condenser 3, the refrigerant outlet of absorption heat pump condenser 3 is by choke valve 6 even
Connecing the refrigerant inlet of absorption heat pump vaporizer 4, the refrigerant outlet of absorption heat pump vaporizer 4 connects
The refrigerant inlet of absorption heat pump absorber 5, the weak solution of absorption heat pump absorber 5 exports by following
Ring pump 7 connects the weak solution entrance of absorption heat pump generator 2, the concentrated solution of absorption heat pump generator 2
Outlet connects the concentrated solution entrance of absorption heat pump absorber 5；Air enters after absorbing heat at heat exchanger 9
Flue gas heat exchange in air preheater 8；Recirculated water is at absorption heat pump absorber 5, absorption heat pump condenser
3 circulate with heat exchanger 9, and recirculated water absorbs heat in absorption heat pump absorber 5 with absorption heat pump condenser 3,
In heat exchanger 9 heat release.
Utilizing the method that absorption heat pump drives steam air heater, in absorption heat pump, working media includes producing cold
Cold-producing medium and absorption, the absorbent solution of refrigeration by adsorption agent, the two forms working medium pair；Heat-transfer working medium is utilized to exist
Absorption heat pump generator 2 heats and is had one by circulating pump 7 from what absorption heat pump absorber 5 carried
Determine the solution of concentration, and make the most of low boiling point refrigerant in solution be evaporated；Refrigerant vapour enters
In absorption heat pump condenser 3, the medium that is cooled again is condensed into refrigerant liquid, then through choke valve 6 blood pressure lowering
To evaporating pressure；Cold-producing medium warp knuckle stream enters in absorption heat pump vaporizer 4, absorbs in cooled system
Heat and be excited into the refrigerant vapour under evaporating pressure；Through generating process in absorption heat pump generator 2
Remaining concentrated solution drops to evaporating pressure through choke valve 6 and enters in absorption heat pump absorber 5, and from absorption
Formula evaporator with heat pump 4 low pressure refrigerant vapor out mixes mutually, absorbs low pressure refrigerant vapor and returns to
Concentration originally；Absorption process is exothermic process, therefore need to cool down mixed solution with cooling water in absorber；
The solution having recovered concentration in absorption heat pump absorber 5 sends into again absorption type heat after circulating pump 7 boosts
Pump generator 2 continues cycling through.
The low-temperature heat source of absorption heat pump can be by exhaust steam in steam turbine waste heat, fume afterheat, auxiliary machine circulating cooling water
There is provided Deng thermal source.
This utility model the most relatively, has the advantage that
What 1, this utility model provided utilizes absorption heat pump to drive the device and method of steam air heater, by absorbing
Formula heat pump absorbs the heat that draws gas, and the heat producing temperature relatively low but more is used for driving steam air heater, thus
Reach to reduce extracted steam from turbine, the effect of reduction net coal consumption rate.
What 2, this utility model provided utilizes absorption heat pump to drive the device and method of steam air heater, recyclable vapour
Turbine exhaust steam residual heat or fume afterheat, thus reduce power plant's coal consumption.
Accompanying drawing explanation
Fig. 1 drives steam air heater device schematic diagram for utilizing absorption heat pump.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with being embodied as
Example, and referring to the drawings, this utility model is further described.
The present embodiment illustrates as a example by lithium bromide absorption type heat pump.Water is cold-producing medium, and lithium bromide is solution.
Fig. 1 is to utilize absorption heat pump to drive steam air heater device schematic diagram, including steam turbine 1；With taking out of steam turbine 1
The generator 2 that steam ports is connected, the refrigerant outlet of generator 2 connects the refrigerant inlet of condenser 3, condensation
The refrigerant outlet of device 3 connects the refrigerant inlet of vaporizer 4, the refrigeration of vaporizer 4 by choke valve 6
Agent outlet connects the refrigerant inlet of absorber 5, and the weak solution outlet of absorber 5 is connected by circulating pump 7
The weak solution entrance of generator 2, the concentrated solution outlet of generator 2 connects the concentrated solution entrance of absorber 5；
Air enters the flue gas heat exchange in air preheater 8 at heat exchanger 9 after absorbing heat；Recirculated water absorber 5,
Circulating in condenser 3 and heat exchanger 9, recirculated water absorbs heat in absorber 5 with condenser 3, at heat exchanger 9
Heat release.
Utilizing the method that absorption heat pump drives steam air heater, in absorption heat pump, working media includes producing cold
Cold-producing medium and absorption, the absorbent solution of refrigeration by adsorption agent, the two forms working medium pair；Heat-transfer working medium is utilized to exist
Absorption heat pump generator 2 heats and is had one by circulating pump 7 from what absorption heat pump absorber 5 carried
Determine the solution of concentration, and make the most of low boiling point refrigerant in solution be evaporated；Refrigerant vapour enters
In absorption heat pump condenser 3, the medium that is cooled again is condensed into refrigerant liquid, then through choke valve 6 blood pressure lowering
To evaporating pressure；Cold-producing medium warp knuckle stream enters in absorption heat pump vaporizer 4, absorbs in cooled system
Heat and be excited into the refrigerant vapour under evaporating pressure；Through generating process in absorption heat pump generator 2
Remaining concentrated solution drops to evaporating pressure through choke valve 6 and enters in absorption heat pump absorber 5, and from absorption
Formula evaporator with heat pump 4 low pressure refrigerant vapor out mixes mutually, absorbs low pressure refrigerant vapor and returns to
Concentration originally；Absorption process is exothermic process, therefore need to cool down mixed solution with cooling water in absorber；
The solution having recovered concentration in absorption heat pump absorber 5 sends into again absorption type heat after circulating pump 7 boosts
Pump generator 2 continues cycling through.
Claims (2)
1. one kind utilizes the device that absorption heat pump drives steam air heater, it is characterised in that: include steam turbine (1),
The absorption heat pump generator (2) being connected with the extraction opening of steam turbine (1), absorption heat pump generator (2)
Refrigerant outlet connect absorption heat pump condenser (3) refrigerant inlet, absorption heat pump condenser (3)
Refrigerant outlet by choke valve (6) connect absorption heat pump vaporizer (4) refrigerant inlet, inhale
The refrigerant outlet of receipts formula evaporator with heat pump (4) connects the refrigerant inlet of absorption heat pump absorber (5),
The weak solution outlet of absorption heat pump absorber (5) connects absorption heat pump generator by circulating pump (7)
(2) weak solution entrance, the concentrated solution outlet of absorption heat pump generator (2) connects absorption type heat pumping
Receive the concentrated solution entrance of device (5)；Air enters air preheater (8) at heat exchanger (9) after absorbing heat
In flue gas heat exchange；Recirculated water is at absorption heat pump absorber (5), absorption heat pump condenser (3) and changes
Hot device (9) circulates, and recirculated water is in absorption heat pump absorber (5) with absorption heat pump condenser (3)
Heat absorption, in heat exchanger (9) heat release.
2. one kind utilizes the device that absorption heat pump drives steam air heater, it is characterised in that: absorption heat pump low
Temperature-heat-source is provided by exhaust steam in steam turbine waste heat, fume afterheat or auxiliary machine circulating cooling water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620395480.0U CN205640981U (en) | 2016-05-04 | 2016-05-04 | Utilize device of absorption heat pump drive fan heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620395480.0U CN205640981U (en) | 2016-05-04 | 2016-05-04 | Utilize device of absorption heat pump drive fan heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205640981U true CN205640981U (en) | 2016-10-12 |
Family
ID=57049001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620395480.0U Active CN205640981U (en) | 2016-05-04 | 2016-05-04 | Utilize device of absorption heat pump drive fan heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN205640981U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783023A (en) * | 2016-05-04 | 2016-07-20 | 中国华能集团清洁能源技术研究院有限公司 | Device and method for driving air heater through absorption type heat pump |
| CN106765042A (en) * | 2016-12-05 | 2017-05-31 | 中国华能集团清洁能源技术研究院有限公司 | The coal fired power plant broad sense heat regenerative system and method for a kind of combination nature draught cooling tower |
| CN109855109A (en) * | 2019-03-07 | 2019-06-07 | 华北电力大学 | A kind of the depth recyclable device and its method of heat of smoke discharged from boiler of power station |
-
2016
- 2016-05-04 CN CN201620395480.0U patent/CN205640981U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783023A (en) * | 2016-05-04 | 2016-07-20 | 中国华能集团清洁能源技术研究院有限公司 | Device and method for driving air heater through absorption type heat pump |
| CN106765042A (en) * | 2016-12-05 | 2017-05-31 | 中国华能集团清洁能源技术研究院有限公司 | The coal fired power plant broad sense heat regenerative system and method for a kind of combination nature draught cooling tower |
| CN109855109A (en) * | 2019-03-07 | 2019-06-07 | 华北电力大学 | A kind of the depth recyclable device and its method of heat of smoke discharged from boiler of power station |
| CN109855109B (en) * | 2019-03-07 | 2023-09-01 | 华北电力大学 | Deep recovery device and method for exhaust gas waste heat of power station boiler |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |