CN207018039U - The energy conserving system of the turbine generating system thermal efficiency is improved using absorption heat pump - Google Patents
The energy conserving system of the turbine generating system thermal efficiency is improved using absorption heat pump Download PDFInfo
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- CN207018039U CN207018039U CN201720687271.8U CN201720687271U CN207018039U CN 207018039 U CN207018039 U CN 207018039U CN 201720687271 U CN201720687271 U CN 201720687271U CN 207018039 U CN207018039 U CN 207018039U
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- heat pump
- generating system
- turbine generating
- pump
- condenser
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Abstract
The energy-conservation system of the turbine generating system thermal efficiency is improved using absorption heat pump, it is related to a kind of improvement of turbine generating system thermal efficiency energy conserving system, and in particular to a kind of energy conserving system that the turbine generating system thermal efficiency is improved using absorption heat pump.The utility model is that cooling water enters in the evaporator of heat pump all the way in cooling circulating water pump leading, is returned to after cooling with the mixing of original cooling water in condenser；Draw deoxygenation all the way draw gas as driving heat source enter heat pump generator in, it is hydrophobic after cooling to enter hot well；Low plus water outlet is introduced into heat pump absorber, is entered back into heat pump condenser, the former water return pipeline that water outlet is returned to before oxygen-eliminating device.The utility model is under conditions of turbine generating system production technology is not changed, it is that can increase generated output not increasing extraction cycle capital equipment capacity and fuel consumption, or Fuel Consumption can be reduced when not reducing generated output, thermal efficiency of cycle is set to have further raising, energy-saving and emission-reduction.
Description
Technical field
It the utility model is related to a kind of improvement of turbine generating system thermal efficiency energy conserving system, and in particular to one kind utilizes
Absorption heat pump improves the energy conserving system of the turbine generating system thermal efficiency.
Background technology
At present, application of the known absorption heat pump in turbine generating system is recovering condensing heat central heating, should
Technology by heating price, the restriction of heating network, heat supply distance, heat demand etc., and to turbine generating system from
Body heat regenerative system is not furtherd investigate, and the system proposes a kind of method that can increase turbine generating system itself thermal efficiency.
Utility model content
The defects of the purpose of this utility model is to be directed to prior art and deficiency, there is provided one kind is carried using absorption heat pump
The energy conserving system of the high turbine generating system thermal efficiency, it can reduce the deoxygenation amount of drawing gas, and be lowered into the circulating cooling of condenser
Coolant-temperature gage, increase steam turbine power generation amount, improve the thermal efficiency of turbine generating system.
To achieve the above object, the utility model is using following technical scheme：It draws gas comprising turbine generating system
Heat exchange cycle system, the turbine generating system heat exchange cycle system that draws gas include steam turbine 16, generator 17, condenser 18, followed
Ring cooling water inlet 19, circulating cooling water out 20, circulating pump 21, hot well 22, condensation pump 23, axle add 24, low plus 25, oxygen-eliminating device
26th, deoxygenation steam pipe 27, condensate pipe 28, valve 29, flow control valve 30, water pump 31；It includes absorption heat pump, absorbs
Formula heat pump includes generator 1, driving steam inlet 2, condenses water out 3, absorber 4, evaporator 5, cooling water inlet 6, cooling
Water out 7, condenser 8, healed water import 9, healed water outlet 10, concentrated solution pipe 11, weak solution pipe 12, working medium pump 13,
Choke valve 14, refrigerant tube 15；Described absorption heat pump includes generator 1, absorber 4, evaporator 5, condenser 8, working medium pump
13rd, choke valve 14, the solution side of concentrated solution pipe 11 and the both ends of weak solution pipe 12 respectively with generator 1 and absorber 4 are connected,
Weak solution pipe 12 is provided with working medium pump 13, between the solution side of generator 1 and the cryogen side of condenser 8, in the cryogen side of condenser 9
Refrigerant tube, generator 1 are respectively equipped between the cryogen side of evaporator 6, between the cryogen side of evaporator 6 and the solution side of absorber 4
Provided with driving steam inlet 2, water out 3 is condensed, condenser 8 is provided with healed water import 9, healed water outlet 10, evaporator 5
Provided with cooling water inlet 6, coolant outlet 7.
The driving steam inlet 2 of generator 1 is connected by pipeline with deoxygenation extraction steam pipe 27 in the absorption heat pump, is coagulated
Outlet 3 is born water by pipeline with hot well 22 to be connected；The healed water import 9 of condenser 8 passes through pipeline and steam turbine power generation system
System condensate pipe 28 is connected, and the healed water outlet 10 of condenser 8 is connected by pipeline and turbine generating system condensate pipe 28
Connect；The cooling water inlet 6 of evaporator 5 is connected by pipeline and water pump 31 with the pipeline of turbine generating system circulating cooling water inlet 19
Connect, the coolant outlet 7 of evaporator 5 is connected by pipeline with the pipeline of turbine generating system circulating cooling water inlet 19.
Valve 29 is set on described condensate pipe 28.
Flow control valve 30 is set on described deoxygenation steam pipe 27.
Described cooling water inlet 6 on the connecting pipe of turbine generating system circulating cooling water inlet 19 with setting water pump
31。
Described generator 1 is a cavity, and heat-exchange tube is set in cavity, and the both ends of heat-exchange tube connect driving and steamed respectively
Vapor inlet 2 and condensation water out 3.
Described condenser 8 is a cavity, sets heat-exchange tube in cavity, and the both ends of heat-exchange tube connect heated respectively
Water inlet 9 and healed water outlet 10.
Described evaporator 5 is a cavity, sets heat-exchange tube in cavity, the both ends of heat-exchange tube connect cooling water respectively
Import 6 and coolant outlet 7.
The utility model is that cooling water enters in the evaporator of heat pump all the way in cooling circulating water pump leading, after cooling and former
There is cooling water mixing to return in condenser；Draw deoxygenation all the way draw gas as driving heat source enter heat pump generator in, after cooling dredge
Water enters hot well；Low plus water outlet is introduced into heat pump absorber, is entered back into heat pump condenser, the original that water outlet is returned to before oxygen-eliminating device
Water return pipeline.
The utility model is under conditions of turbine generating system production technology is not changed, and is not increasing extraction cycle master
It is that can increase generated output to want place capacity and fuel consumption, or fuel consumption can be reduced when not reducing generated output
Amount, makes thermal efficiency of cycle have further raising, energy-saving and emission-reduction.
The beneficial effects of the utility model are to reduce the deoxygenation amount of drawing gas, and are lowered into the circulating cooling coolant-temperature gage of condenser,
Increase steam turbine power generation amount, improve the thermal efficiency of turbine generating system.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the operation principle schematic diagram of absorption heat pump in the utility model；
Fig. 2 is that existing turbine generating system draws gas heat exchange cycle system schematic flow sheet；
Fig. 3 is the increase in the heat exchange cycle system schematic flow sheet of absorption heat pump.
Description of reference numerals：Generator 1, driving steam inlet 2, condense water out 3, absorber 4, evaporator 5, cooling water
Import 6, coolant outlet 7, condenser 8, healed water import 9, healed water outlet 10, concentrated solution pipe 11, weak solution pipe 12,
Working medium pump 13, choke valve 14, refrigerant tube 15, steam turbine 16, generator 17, condenser 18, circulating cooling water inlet 19, circulation are cold
But water out 20, circulating pump 21, hot well 22, condensation pump 23, axle add 24, low plus 25, oxygen-eliminating device 26, deoxygenation steam pipe 27, condensed
Water pipe 28, valve 29, flow control valve 30, water pump 31.
Embodiment
Referring to shown in Fig. 1-3, the technical scheme that present embodiment uses is：It is drawn gas back by turbine generating system
Heat circulating system and absorption heat pump composition, turbine generating system draw gas heat exchange cycle system include steam turbine 16, generator
17th, condenser 18, circulating cooling water inlet 19, circulating cooling water out 20, circulating pump 21, hot well 22, condensation pump 23, axle add
24th, low plus 25, oxygen-eliminating device 26, deoxygenation steam pipe 27, condensate pipe 28, valve 29, flow control valve 30, water pump 31；Absorb
Formula heat pump includes generator 1, driving steam inlet 2, condenses water out 3, absorber 4, evaporator 5, cooling water inlet 6, cooling
Water out 7, condenser 8, healed water import 9, healed water outlet 10, concentrated solution pipe 11, weak solution pipe 12, working medium pump 13,
Choke valve 14, refrigerant tube 15；Described absorption heat pump includes generator 1, absorber 4, evaporator 5, condenser 8, working medium pump
13rd, choke valve 14, the solution side of concentrated solution pipe 11 and the both ends of weak solution pipe 12 respectively with generator 1 and absorber 4 are connected,
Working medium pump 13 is provided with weak solution pipe 12, between the solution side of generator 1 and the cryogen side of condenser 8, in the cryogen side of condenser 9
Refrigerant tube, generator 1 are respectively equipped between the cryogen side of evaporator 6, between the cryogen side of evaporator 6 and the solution side of absorber 4
Provided with driving steam inlet 2, water out 3 is condensed, condenser 8 is provided with healed water import 9, healed water outlet 10, evaporator 5
Provided with cooling water inlet 6, coolant outlet 7.
The driving steam inlet 2 of generator 1 is connected by pipeline with deoxygenation extraction steam pipe 27 in the absorption heat pump, is coagulated
Outlet 3 is born water by pipeline with hot well 22 to be connected；The healed water import 9 of condenser 8 passes through pipeline and steam turbine power generation system
System condensate pipe 28 is connected, and the healed water outlet 10 of condenser 8 is connected by pipeline and turbine generating system condensate pipe 28
Connect；The cooling water inlet 6 of evaporator 5 is connected by pipeline and water pump 31 with the pipeline of turbine generating system circulating cooling water inlet 19
Connect, the coolant outlet 7 of evaporator 5 is connected by pipeline with the pipeline of turbine generating system circulating cooling water inlet 19.
Valve 29 is set on described condensate pipe 28.
Flow control valve 30 is set on described deoxygenation steam pipe 27.
Described cooling water inlet 6 on the connecting pipe of turbine generating system circulating cooling water inlet 19 with setting water pump
31。
Described generator 1 is a cavity, and heat-exchange tube is set in cavity, and the both ends of heat-exchange tube connect driving and steamed respectively
Vapor inlet 2 and condensation water out 3.
Described condenser 8 is a cavity, sets heat-exchange tube in cavity, and the both ends of heat-exchange tube connect heated respectively
Water inlet 9 and healed water outlet 10.
Described evaporator 5 is a cavity, sets heat-exchange tube in cavity, the both ends of heat-exchange tube connect cooling water respectively
Import 6 and coolant outlet 7.
Drawn gas referring to the turbine generating system shown in Fig. 2 exemplified by heat exchange cycle system flow, main steam enters steam turbine
16 expansion works drive generator 17 to generate electricity, and the steam discharge of steam turbine 16 enters condenser 18, and through recirculated cooling water to be condensed into liquid laggard
Enter hot well 22, condensate adds by axle 24 through condensate pump 23, it is low plus 25 after enter oxygen-eliminating device 26, steam turbine 16 draw gas by except
Oxygen steam pipe 27 enters oxygen-eliminating device 26 and carries out thermal de-aeration to condensate.
In the embodiment shown in fig. 3, in the application of absorption heat pump, set on the low condensate pipe 28 added after 25
One valve 29, draw on the condensate pipe 28 before valve 29 during pipeline is from healed water import 9 into condenser 8 all the way and add
On condensate pipe 28 after returning to valve 29 from healed water outlet 10 after heat；Circulating water intake before water circulating pump 21
Draw pipeline all the way on 19 pipeline by water pump 31 from cooling water inlet 6 to enter in evaporator 5, the back of pipeline of coolant outlet 7
On the pipeline of circulation import 19 after to water circulating pump 21；Flow control valve 30 is set on deoxygenation steam pipe 27, can be to flowing through
The quantity of steam of deoxygenation steam pipe 27 is adjusted, flow control valve 30 leading all the way pipeline from driving steam inlet 2 enter
In generator 1, condense water out 3 and access hot well 22.
Because evaporator 5 absorbs the heat of recirculated water, the circulating cooling coolant-temperature gage into condenser 18 reduces, and reduces
The vacuum of condenser, steam turbine generator generated energy is caused to improve.
Because absorption heat pump the heat supply of recirculated cooling water has given steam turbine condensate, into before oxygen-eliminating device
Condensing water temperature is improved, and causes deoxygenation to be drawn gas reduction, and the deoxygenation of reduction is drawn gas the expansion work in steam turbine 16, adds steamer
The generated energy of generator.
The condensed water come out from generator 1 has been returned directly to hot well 22, not only without system thermal efficiency is reduced, improves on the contrary
The return water temperature of condensate.
Present embodiment is not increasing extraction cycle under conditions of turbine generating system production technology is not changed
Capital equipment capacity and fuel consumption are can to increase generated output, or can reduce fuel when not reducing generated output and disappear
Consumption, thermal efficiency of cycle is set to have further raising, energy-saving and emission-reduction.
It is described above, only to illustrate the technical solution of the utility model and unrestricted, those of ordinary skill in the art couple
The other modifications or equivalent substitution that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope, it all should cover among right of the present utility model.
Claims (8)
1. improving the energy conserving system of the turbine generating system thermal efficiency using absorption heat pump, it takes out comprising turbine generating system
Vapour heat exchange cycle system, turbine generating system draw gas heat exchange cycle system include steam turbine (16), generator (17), condenser
(18), circulating cooling water inlet (19), circulating cooling water out (20), circulating pump (21), hot well (22), condensation pump (23), axle
Add (24), low plus (25), oxygen-eliminating device (26), deoxygenation steam pipe (27), condensate pipe (28), valve (29), flow control valve
(30), water pump (31)；It is characterized in that it includes absorption heat pump, absorption heat pump includes generator (1), driving steam inlet
(2), condense water out (3), absorber (4), evaporator (5), cooling water inlet (6), coolant outlet (7), condenser (8),
Healed water import (9), healed water outlet (10), concentrated solution pipe (11), weak solution pipe (12), working medium pump (13, choke valve
(14), refrigerant tube (15)；Described absorption heat pump include generator (1), absorber (4), evaporator (5), condenser (8),
Working medium pump (13), choke valve (14), concentrated solution pipe (11) and weak solution pipe (12) both ends respectively with generator (1) and absorber
(4) solution side is connected, and working medium pump (13) is provided with weak solution pipe (12), in generator (1) solution side and condenser (8)
Between cryogen side, between condenser (8) cryogen side and evaporator (5) cryogen side, in evaporator (5) cryogen side and absorber
(4) refrigerant tube is respectively equipped between solution side, generator (1) is provided with driving steam inlet (2), condenses water out (3), condenser
(8) healed water import (9), healed water outlet (10) are provided with, evaporator (5) is provided with cooling water inlet (6), coolant outlet
(7)。
2. the energy conserving system according to claim 1 that the turbine generating system thermal efficiency is improved using absorption heat pump, its
It is characterised by：The driving steam inlet (2) of generator (1) passes through pipeline and deoxygenation extraction steam pipe (27) phase in the absorption heat pump
Connection, condense water out (3) and be connected by pipeline with hot well (22)；The healed water import (9) of condenser (8) passes through pipeline
It is connected with turbine generating system condensate pipe (28), the healed water outlet (10) of condenser (8) passes through pipeline and steam turbine
Electricity generation system condensate pipe (28) connects；The cooling water inlet (6) of evaporator (5) is sent out by pipeline and water pump (31) with steam turbine
Electric system circulating cooling water inlet (19) pipeline connects, and the coolant outlet (7) of evaporator (5) passes through pipeline and steam turbine power generation
System circulation cooling water inlet (19) pipeline connects.
3. the energy conserving system according to claim 1 that the turbine generating system thermal efficiency is improved using absorption heat pump, its
It is characterised by：Valve (29) is set on described condensate pipe (28).
4. the energy conserving system according to claim 1 that the turbine generating system thermal efficiency is improved using absorption heat pump, its
It is characterised by：Flow control valve (30) is set on described deoxygenation steam pipe (27).
5. the energy conserving system according to claim 1 that the turbine generating system thermal efficiency is improved using absorption heat pump, its
It is characterised by：Described cooling water inlet (6) on the connecting pipe of turbine generating system circulating cooling water inlet (19) with setting
Put water pump (31).
6. the energy conserving system according to claim 1 that the turbine generating system thermal efficiency is improved using absorption heat pump, its
It is characterised by：Described generator (1) is a cavity, sets heat-exchange tube in cavity, the both ends of heat-exchange tube connect drive respectively
Dynamic steam inlet (2) and condensation water out (3).
7. the energy conserving system according to claim 1 that the turbine generating system thermal efficiency is improved using absorption heat pump, its
It is characterised by：Described condenser (8) is a cavity, sets heat-exchange tube in cavity, the both ends of heat-exchange tube connect quilt respectively
Heat water inlet (9) and healed water outlet (10).
8. the energy conserving system according to claim 1 that the turbine generating system thermal efficiency is improved using absorption heat pump, its
It is characterised by：Described evaporator (5) is a cavity, sets heat-exchange tube in cavity, and the both ends of heat-exchange tube connect cold respectively
But water inlet (6) and coolant outlet (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720687271.8U CN207018039U (en) | 2017-06-14 | 2017-06-14 | The energy conserving system of the turbine generating system thermal efficiency is improved using absorption heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720687271.8U CN207018039U (en) | 2017-06-14 | 2017-06-14 | The energy conserving system of the turbine generating system thermal efficiency is improved using absorption heat pump |
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| Publication Number | Publication Date |
|---|---|
| CN207018039U true CN207018039U (en) | 2018-02-16 |
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ID=61486178
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720687271.8U Expired - Fee Related CN207018039U (en) | 2017-06-14 | 2017-06-14 | The energy conserving system of the turbine generating system thermal efficiency is improved using absorption heat pump |
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| CN (1) | CN207018039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256204A (en) * | 2020-02-28 | 2020-06-09 | 上海电力大学 | Heat supply optimization method of coupling absorption heat pump of thermal power plant |
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2017
- 2017-06-14 CN CN201720687271.8U patent/CN207018039U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256204A (en) * | 2020-02-28 | 2020-06-09 | 上海电力大学 | Heat supply optimization method of coupling absorption heat pump of thermal power plant |
| CN111256204B (en) * | 2020-02-28 | 2021-05-11 | 上海电力大学 | Heat supply optimization method of coupling absorption heat pump of thermal power plant |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180216 Termination date: 20180614 |
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| CF01 | Termination of patent right due to non-payment of annual fee |