CN206113085U - A waste heat utilization system and thermal generator set for thermal generator set - Google Patents
A waste heat utilization system and thermal generator set for thermal generator set Download PDFInfo
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- CN206113085U CN206113085U CN201621142317.XU CN201621142317U CN206113085U CN 206113085 U CN206113085 U CN 206113085U CN 201621142317 U CN201621142317 U CN 201621142317U CN 206113085 U CN206113085 U CN 206113085U
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- pipeline
- heat
- condenser
- power generation
- generation unit
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- 239000002918 waste heat Substances 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000010248 power generation Methods 0.000 claims description 51
- 239000007789 gas Substances 0.000 claims description 23
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 20
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 4
- 230000003009 desulfurizing effect Effects 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Abstract
The utility model relates to a thermal generator set's waste heat utilization field to a waste heat utilization system and a thermal generator set for being used for thermal generator set is disclosed, the waste heat utilization system includes heat pump (1), first pipeline (2) are passed through in heat pump (1) will thermal generator set's condenser circulating water return water is introduced in heat pump (1), so that absorb heat in the condenser circulating water return water, second pipeline (3) are passed through in heat pump (1) will thermal generator set's condensate water is introduced in heat pump (1), so that the heating the condensate water, the back will be heated through third pipeline (4) in heat pump (1) the condensate water is carried to heat supply network user (22). The utility model discloses a waste heat utilization system can retrieve the waste heat of recycling thermal generator set, reduces from this and directly discharges the heat in the atmosphere, reduces green house effect.
Description
Technical field
This utility model is related to the field of waste heat utilization of thermal power generation unit, in particular it relates to a kind of be used for thermal power generation
The bootstrap system of unit.Additionally, this utility model further relates to a kind of thermal power generation unit.
Background technology
The heat energy that thermal power generation is produced when being a kind of utilization combustible combustion, by generation power device electric energy is converted into
Generation mode.
Existing thermal power generation unit is generally comprised：Boiler, the boiler is used for burning fuel and produces superheated steam；Steamer
Machine, the steam turbine receives superheated steam and produces rotary motion；Electromotor, the electromotor is connected with steam turbine, so as to phase
Should ground rotation；Condenser, the condenser receives and cools down the exhaust steam of steam turbine, to form condensate；Condensate pump, condensate pump
It is connected with condenser by condensing water conduit, condensate pump is connected by the 5th pipeline with boiler, so that condensate pump is delivered to
Boiler, condenser imports cooling water in condenser by circulating water pipeline to cool down the exhaust steam of steam turbine, recirculated water and exhaust steam
Temperature is uprised after heat-shift, is then delivered to cooling tower by circulating water pipeline and is reduced with air heat-exchange in cooling tower
Temperature, it is seen that the heat in current recirculated water is not utilized effectively, and is typically lost in air by cooling tower.Separately
Outward, the smoke evacuation for producing after boiler combustion is by smoke stack emission in air, although already provided with air preheater in existing boiler
And economizer, but still there is amount of heat to be discharged in air in smoke evacuation.
In view of this, it is desirable to provide a kind of bootstrap system of the waste heat for being capable of recycling thermal power generation unit.
Utility model content
Technical problem to be solved in the utility model be need provide one kind being capable of recycling thermal power generation unit
Waste heat bootstrap system.
Another technical problem to be solved in the utility model be need provide one kind can recycling firepower send out
The thermal power generation unit of the waste heat of group of motors.
In order to solve above-mentioned technical problem, this utility model provides a kind of UTILIZATION OF VESIDUAL HEAT IN system for thermal power generation unit
System, the bootstrap system includes heat pump, and the heat pump is followed in the condenser of the thermal power generation unit by the first pipeline
Ring water backwater is incorporated in the heat pump, to absorb the condenser recirculated water backwater in heat, the heat pump is by the
Two pipelines are incorporated into the condensate of the thermal power generation unit in the heat pump, to heat the condensate, the heat pump
The condensate after the 3rd pipeline is by heating is delivered to heat supply network user.
Preferably, the bootstrap system also includes being installed in the boiler exhaust gas pipeline of the thermal power generation unit
Heat exchanger, the heat exchanger is connected in the second pipe, to absorb boiler exhaust gas in waste heat and heat described second
Condensate in pipeline.
Preferably, the second pipe include be located at the heat exchanger before heat exchange preceding pipeline and positioned at the heat exchanger
Pipeline after heat exchange afterwards, in the heat exchange preceding pipeline regulating valve is provided with.
Preferably, the condenser recirculated water backwater is back to the thermoelectric generator by the heat pump by the 4th pipeline
The condenser recirculated water water return pipeline of group.
Preferably, the heat pump is compression high temperature heat pump or absorption heat pump.
Additionally, this utility model also provides a kind of thermal power generation unit, the thermal power generation unit includes：Boiler, the pot
Stove is used for burning fuel and produces superheated steam；Steam turbine, the steam turbine receives the superheated steam and produces rotary motion；Send out
Motor, the electromotor is connected with the steam turbine, correspondingly to rotate；Condenser, the condenser receives and cools down institute
The exhaust steam of steam turbine is stated, to form the condensate；Condensate pump, the condensate pump is by condensing water conduit and the condensing
Device connects, and the condensate pump is connected by the 5th pipeline with the boiler；And it is described in the utility model for firepower
The bootstrap system of group of motors, the second pipe is connected with the 5th pipeline.
Preferably, the boiler is connected by boiler exhaust gas pipeline with chimney, and the bootstrap system also includes installing
In the boiler exhaust gas pipeline and the heat exchanger that is connected in the second pipe, to absorb boiler exhaust gas in waste heat
And heat the condensate in the second pipe.
Preferably, the boiler exhaust gas pipeline is sequentially connected on cleaner unit, air-introduced machine, desulfurizing tower and the heat exchanger.
Preferably, the second pipe include be located at the heat exchanger before heat exchange preceding pipeline and positioned at the heat exchanger
Pipeline after heat exchange afterwards, in the heat exchange preceding pipeline regulating valve is provided with.
Preferably, the condenser is connected with the circulating water pipeline that the exhaust steam is cooled down for being input into cooling water, described
Circulating water pipeline includes condenser recirculated water water return pipeline, and in the condenser recirculated water water return pipeline recirculated water backwater is provided with
The condenser recirculated water backwater is back to the condenser recirculated water water return pipeline by pump, the heat pump by the 4th pipeline,
First pipeline is followed by the condenser that the first threeway is connected between the condenser and the recirculated water back water pump
Ring water water return pipeline, the 4th pipeline is connected to the condenser between first threeway and the recirculated water back water pump
Recirculated water water return pipeline.
Bootstrap system for thermal power generation unit of the present utility model is due to including heat pump such that it is able to by firepower
The condenser recirculated water backwater of generating set is incorporated in heat pump the condensate for heating thermal power generation unit by the first pipeline, makes
Obtaining the condensate can have higher temperature, be provided to heat supply network user.It can be seen that, bootstrap system energy of the present utility model
The waste heat of enough recycling thermal power generation units, thus improves the heat that efficiency of energy utilization and reduction are directly discharged in air
Amount, reduces greenhouse effect.Additionally, thermal power generation unit of the present utility model is due to including UTILIZATION OF VESIDUAL HEAT IN system of the present utility model
System, therefore its same above-mentioned advantage with bootstrap system.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Description of the drawings
Accompanying drawing is further understood to of the present utility model for providing, and constitutes a part for description, and following
Specific embodiment be used to explain this utility model together, but do not constitute to restriction of the present utility model.In the accompanying drawings：
Fig. 1 is the knot of the bootstrap system for thermal power generation unit according to specific embodiment of the present utility model
Structure schematic diagram.
Description of reference numerals
1st, heat pump 2, the first pipeline
3rd, second pipe 4, the 3rd pipeline
5th, boiler exhaust gas pipeline 6, heat exchanger
7th, regulating valve 8, the 4th pipeline
9th, condenser recirculated water water return pipeline 10, steam turbine
11st, electromotor 12, condenser
13rd, condensate pump 14, condensing water conduit
15th, the 5th pipeline 16, chimney
17th, cleaner unit 18, air-introduced machine
19th, desulfurizing tower 20, circulating water pipeline
21st, recirculated water back water pump 22, heat supply network user
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described specific embodiment is merely to illustrate and explains this utility model, is not limited to this utility model.
This utility model provides a kind of bootstrap system for thermal power generation unit, specifically, as shown in figure 1, institute
Bootstrap system is stated including heat pump 1, the heat pump 1 is circulated in the condenser of the thermal power generation unit by the first pipeline 2
Water backwater is incorporated in the heat pump 1, to absorb the condenser recirculated water backwater in heat, the heat pump 1 is by the
Two pipelines 3 are incorporated into the condensate of the thermal power generation unit in the heat pump 1, to heat the condensate, the heat
The condensate of the pump 1 after the 3rd pipeline 4 is by heating is delivered to heat supply network user 22.
It should be noted that the specific constructive form of heat pump 1, the first pipeline 2, the pipeline 4 of second pipe 3 and the 3rd can be with root
According to needing to arrange, these are belonged within range of the technology design of the present utility model.For example heat pump 1 can be compression high temperature heat
Pump or absorption heat pump, preferably compression high temperature heat pump (such as heat-pump steam engine group).And heat supply network user 22 can be use
Hot resident or enterprise.
Bootstrap system for thermal power generation unit of the present utility model is due to including heat pump 1 such that it is able to by fire
The condenser recirculated water backwater of power generator group is incorporated in heat pump 1 condensation for heating thermal power generation unit by the first pipeline 2
Water so that the condensate can have higher temperature, be provided to heat supply network user.It can be seen that, UTILIZATION OF VESIDUAL HEAT IN of the present utility model
System is capable of the waste heat of recycling thermal power generation unit, thus improves efficiency of energy utilization and reduction is directly discharged to air
In heat, reduce greenhouse effect.
In bootstrap system of the present utility model, it is preferable that the bootstrap system is also described including being installed on
Heat exchanger 6 in the boiler exhaust gas pipeline 5 of thermal power generation unit, the heat exchanger 6 is connected in the second pipe 3, so as to
Absorb the waste heat (usually 110 DEG C or so of smoke evacuation is reduced to into 90 DEG C or so) in boiler exhaust gas and heat the second pipe
Condensate in 3, so as to further with the condensate in the waste-heat second pipe 3 in boiler exhaust gas.
In above-mentioned bootstrap system, it is highly preferred that the second pipe 3 includes being located at before the heat exchanger 6
Heat exchange preceding pipeline and after the heat exchange after the heat exchanger 6 pipeline, be provided with regulating valve 7 in the heat exchange preceding pipeline, from
And can be by the flow of the condensate in the air second pipe 3 of regulating valve 7 and pressure, to meet wanting for heat supply network user 22
While asking, the normal operation of thermal power generation unit is not affected.
In bootstrap system of the present utility model, specifically, the heat pump 1 passes through the 4th pipeline 8 by the condensing
Device recirculated water backwater is back to the condenser recirculated water water return pipeline 9 of the thermal power generation unit, so as to by condenser recirculated water
Backwater is back to condenser recirculated water water return pipeline 9, so as not to affect the normal operation of condenser.
Additionally, this utility model also provides a kind of thermal power generation unit, the thermal power generation unit includes：Boiler, the pot
Stove is used for burning fuel and produces superheated steam；Steam turbine 10, the steam turbine 10 receives the superheated steam and produces rotation fortune
It is dynamic；Electromotor 11, the electromotor 11 is connected with the steam turbine 10, correspondingly to rotate；Condenser 12, the condenser
12 receive and cool down the exhaust steam of the steam turbine 10, to form the condensate；Condensate pump 13, the condensate pump 13 passes through
Condensing water conduit 14 is connected with the condenser 12, and the condensate pump 13 is connected by the 5th pipeline 15 with the boiler, with
Just condensate pump is delivered to into boiler；And the bootstrap system for thermal power generation unit described in the utility model, it is described
Second pipe 3 is connected with the 5th pipeline 15.
Thermal power generation unit of the present utility model is due to including bootstrap system of the present utility model, therefore its same tool
Have a surplus the above-mentioned advantage of heat utilization system.
In thermal power generation unit of the present utility model, specifically, the boiler is by boiler exhaust gas pipeline 5 and chimney 16
Connection, the bootstrap system also includes being installed in the boiler exhaust gas pipeline 5 and being connected in the second pipe 3
Heat exchanger 6, to absorb boiler exhaust gas in waste heat and heat the condensate in the second pipe 3, so as to further profit
With the condensate in the waste-heat second pipe 3 in boiler exhaust gas, generally going through the condensate after boiler exhaust gas heating can be with
100 DEG C or so are reached, then after the heating of heat pump 1, condensate translates into 180 DEG C or so of steam.
In above-mentioned thermal power generation unit, more specifically, the boiler exhaust gas pipeline 5 is by cleaner unit 17, air-introduced machine 18, de-
Sulfur tower 19 and the heat exchanger 6 are sequentially connected such that it is able to carry out dedusting to boiler exhaust gas using cleaner unit 17 and desulfurizing tower 19
And desulfurization, prevent from polluting environment.
In above-mentioned thermal power generation unit, further specifically, the second pipe 3 include be located at the heat exchanger 6 it
Front heat exchange preceding pipeline and after the heat exchange after the heat exchanger 6 pipeline, be provided with regulating valve in the heat exchange preceding pipeline
7 such that it is able to by the flow and pressure of the condensate in the air second pipe 3 of regulating valve 7, to meet heat supply network user 22
Requirement while, do not affect the normal operation of thermal power generation unit.
In thermal power generation unit of the present utility model, specifically, the condenser 12 is connected with for being input into cooling water
And the circulating water pipeline 20 of the cooling exhaust steam, the circulating water pipeline 20 includes condenser recirculated water water return pipeline 9, described solidifying
Recirculated water back water pump 21 is provided with vapour device recirculated water water return pipeline 9, the heat pump 1 passes through the 4th pipeline 8 by the condenser
Recirculated water backwater is back to the condenser recirculated water water return pipeline 9, and first pipeline 2 is connected to described by the first threeway
The condenser recirculated water water return pipeline 9 between condenser 12 and the recirculated water back water pump 21, the 4th pipeline 8 connects
The condenser recirculated water water return pipeline 9 between first threeway and the recirculated water back water pump 21, so as to by condensing
Device recirculated water backwater is back to condenser recirculated water water return pipeline 9, so as not to affect the normal operation of condenser.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing, but, this utility model is not limited
Detail in above-mentioned embodiment, in range of the technology design of the present utility model, can be to skill of the present utility model
Art scheme carries out various simple variants, and these simple variants belong to protection domain of the present utility model.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, this utility model is to each
Plant possible compound mode no longer separately to illustrate.
Additionally, combination in any can also be carried out between a variety of embodiments of the present utility model, as long as it is not disobeyed
Thought of the present utility model is carried on the back, it should equally be considered as content disclosed in the utility model.
Claims (10)
1. a kind of bootstrap system for thermal power generation unit, it is characterised in that the bootstrap system includes heat pump
(1), the heat pump (1) is incorporated in the condenser recirculated water backwater of the thermal power generation unit by the first pipeline (2) described
In heat pump (1), to absorb the condenser recirculated water backwater in heat, the heat pump (1) is by second pipe (3) by institute
The condensate for stating thermal power generation unit is incorporated in the heat pump (1), and to heat the condensate, the heat pump (1) passes through
3rd pipeline (4) by heating after the condensate be delivered to heat supply network user (22).
2. bootstrap system according to claim 1, it is characterised in that the bootstrap system also includes being installed on
Heat exchanger (6) in the boiler exhaust gas pipeline (5) of the thermal power generation unit, the heat exchanger (6) is connected to the second pipe
In road (3), to absorb boiler exhaust gas in waste heat and heat the condensate in the second pipe (3).
3. bootstrap system according to claim 2, it is characterised in that the second pipe (3) includes being located at described
Heat exchange preceding pipeline before heat exchanger (6) and after the heat exchange after the heat exchanger (6) pipeline, in the heat exchange preceding pipeline
It is provided with regulating valve (7).
4. bootstrap system according to claim 1, it is characterised in that the heat pump (1) will by the 4th pipeline (8)
The condenser recirculated water backwater is back to condenser recirculated water water return pipeline (9) of the thermal power generation unit.
5. bootstrap system as claimed in any of claims 1 to 4, it is characterised in that the heat pump (1) is pressure
Contracting formula high temperature heat pump or absorption heat pump.
6. a kind of thermal power generation unit, it is characterised in that the thermal power generation unit includes：
Boiler, the boiler is used for burning fuel and produces superheated steam；
Steam turbine (10), the steam turbine (10) receives the superheated steam and produces rotary motion；
Electromotor (11), the electromotor (11) is connected with the steam turbine (10), correspondingly to rotate；
Condenser (12), the condenser (12) receives and cools down the exhaust steam of the steam turbine (10), to form the condensate；
Condensate pump (13), the condensate pump (13) is connected by condensing water conduit (14) with the condenser (12), described
Condensate pump (13) is connected by the 5th pipeline (15) with the boiler；And
According to the bootstrap system for thermal power generation unit described in claim 1 or 5, the second pipe (3) with
5th pipeline (15) connection.
7. thermal power generation unit according to claim 6, it is characterised in that the boiler passes through boiler exhaust gas pipeline (5)
It is connected with chimney (16), the bootstrap system also includes being installed in the boiler exhaust gas pipeline (5) and being connected to institute
State the heat exchanger (6) in second pipe (3), to absorb boiler exhaust gas in waste heat and heat in the second pipe (3)
Condensate.
8. thermal power generation unit according to claim 7, it is characterised in that the boiler exhaust gas pipeline (5) is by cleaner unit
(17), air-introduced machine (18), desulfurizing tower (19) and the heat exchanger (6) are sequentially connected.
9. thermal power generation unit according to claim 7, it is characterised in that the second pipe (3) includes being located at described
Heat exchange preceding pipeline before heat exchanger (6) and after the heat exchange after the heat exchanger (6) pipeline, in the heat exchange preceding pipeline
It is provided with regulating valve (7).
10. thermal power generation unit according to claim 6, it is characterised in that the condenser (12) is connected with for defeated
Enter cooling water and cool down the circulating water pipeline (20) of the exhaust steam, the circulating water pipeline (20) is including condenser recirculated water backwater
Pipeline (9), is provided with recirculated water back water pump (21) in the condenser recirculated water water return pipeline (9), the heat pump (1) is by
The condenser recirculated water backwater is back to the condenser recirculated water water return pipeline (9), first pipeline by four pipelines (8)
(2) condenser circulation being connected to by the first threeway between the condenser (12) and the recirculated water back water pump (21)
Water water return pipeline (9), the 4th pipeline (8) is connected to the institute between first threeway and the recirculated water back water pump (21)
State condenser recirculated water water return pipeline (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621142317.XU CN206113085U (en) | 2016-10-20 | 2016-10-20 | A waste heat utilization system and thermal generator set for thermal generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621142317.XU CN206113085U (en) | 2016-10-20 | 2016-10-20 | A waste heat utilization system and thermal generator set for thermal generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206113085U true CN206113085U (en) | 2017-04-19 |
Family
ID=58526621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621142317.XU Active CN206113085U (en) | 2016-10-20 | 2016-10-20 | A waste heat utilization system and thermal generator set for thermal generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206113085U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864344A (en) * | 2019-10-30 | 2020-03-06 | 中国神华能源股份有限公司国华电力分公司 | Heat supply system and method for coal-fired steam condenser unit |
| CN112879996A (en) * | 2021-02-03 | 2021-06-01 | 上海电力大学 | Waste heat comprehensive utilization system for circulating cooling water of thermal power plant |
-
2016
- 2016-10-20 CN CN201621142317.XU patent/CN206113085U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864344A (en) * | 2019-10-30 | 2020-03-06 | 中国神华能源股份有限公司国华电力分公司 | Heat supply system and method for coal-fired steam condenser unit |
| CN112879996A (en) * | 2021-02-03 | 2021-06-01 | 上海电力大学 | Waste heat comprehensive utilization system for circulating cooling water of thermal power plant |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100011 Beijing Dongcheng District, West Binhe Road, No. 22 Patentee after: China Shenhua Energy Co.,Ltd. Patentee after: SHENWAN ENERGY Co.,Ltd. Patentee after: Guoneng Shenwan Anqing Power Generation Co.,Ltd. Address before: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Patentee before: China Shenhua Energy Co.,Ltd. Patentee before: SHENWAN ENERGY Co.,Ltd. Patentee before: ANHUI ANQING WANJIANG POWER GENERATION Co.,Ltd. |