CN206299417U - A kind of residual heat of electric power plant utilizes therrmodynamic system - Google Patents
A kind of residual heat of electric power plant utilizes therrmodynamic system Download PDFInfo
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- CN206299417U CN206299417U CN201621394942.3U CN201621394942U CN206299417U CN 206299417 U CN206299417 U CN 206299417U CN 201621394942 U CN201621394942 U CN 201621394942U CN 206299417 U CN206299417 U CN 206299417U
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- Prior art keywords
- heat
- pump
- hydrophobic
- way
- pipeline
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 230000002209 hydrophobic Effects 0.000 claims abstract description 49
- 238000001816 cooling Methods 0.000 claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 206010062717 Increased upper airway secretion Diseases 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 238000010795 Steam Flooding Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Abstract
The utility model is related to a kind of residual heat of electric power plant to utilize therrmodynamic system, can be widely applied to surpass（It is super）Criticality benchmark.The utility model includes steam turbine, condenser, cooling tower, heat pump, hydrophobic heater, heat exchangers for district heating, water circulating pump I and water circulating pump II, the mesolow cylinder communicating pipe of the condensing turbine 1 to draw gas and be divided into two-way by mesolow cylinder communicating pipe bleed steam pipework, it is delivered to heat exchangers for district heating all the way to be exchanged heat with heat supply network recirculated water, the pump line road that reduces phlegm and internal heat of being drawn gas by mesolow cylinder communicating pipe all the way is delivered to heat pump；The utility model beneficial effect is：Using the utility model of above-mentioned technical proposal, heat can effectively being reclaimed, and playing the effect of heat pump, reduce cost, save energy, it is to avoid the waste of heat, environmental protection is economical and practical.
Description
Technical field
The utility model is related to a kind of residual heat of electric power plant to utilize therrmodynamic system, can be widely applied to surpass（It is super）Criticality benchmark.
Background technology
Therrmodynamic system is most important to the safety and economic operation of thermal power plant unit, and the recycling of waste heat is into not only conforming with country
Policy, more as a direction for improving the thermal power plant unit thermal efficiency.
At present in practical engineering application, the hydrophobic of heater has to pass through precision processing flow, it is impossible to be immediately discharged to deoxygenation
Device, therefore conventional treatment mode is to drain into condenser or get to condensate pump by pump to export.Therefore reclaiming hydrophobic heat has
Two class methods, are respectively with condensate-water polishing heat and with outer net Water Sproading heat.
Heat pump is a kind of technology that low grade heat energy can be extracted under high-temperature steam driving or electric drive.It has safety,
Energy-saving and environmental protection benefit, meet country about using energy source in terms of industrial policy, be state key popularization new and high technology it
One.
For Large-scale machine set, unit recirculated water is a larger low-temperature heat source, 15 DEG C of winter inflow temperature, water outlet
25 DEG C of temperature, and 25 DEG C of water conservancy expenditure is not high, and heat pump price is higher, it is uneconomical to extract heat using heat pump.Conventional method
It is to improve back pressure of condenser to 35kPa, improves overall water temperature, but this method heat waste is larger.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of residual heat of electric power plant to utilize therrmodynamic system, to adapt to big machine
Group actual conditions, reduce heat pump cost, do not improve back pressure, reclaim recirculated water heat, reduce cold source energy, and heat is mentioned into heat supply network
In.
The technical solution of the utility model is：A kind of residual heat of electric power plant utilizes therrmodynamic system, it is characterised in that：It includes steamer
Machine, condenser, cooling tower, heat pump, hydrophobic heater, heat exchangers for district heating, water circulating pump I and water circulating pump II, the condensing
The mesolow cylinder communicating pipe of formula steam turbine to be drawn gas and be divided into two-way by mesolow cylinder communicating pipe bleed steam pipework, and heat supply network is delivered to all the way
Heater is exchanged heat with heat supply network recirculated water, and the pump line road that reduces phlegm and internal heat of being drawn gas by mesolow cylinder communicating pipe all the way is delivered to heat pump；Drive
Move hydrophobic after the exhaust steam after heat pump exchanges heat with heat exchangers for district heating, enter hydrophobic heater after converging together；In hydrophobic heating
It is hydrophobic after device heat exchange, go condenser piping to drain into condenser through hydrophobic heater condensate；The recirculated water water inlet of cooling tower, leads to
Cross water circulating pump I and enter point two-way after condenser heat exchange, go cooling tower circulating water pipeline to return to cooling by condenser all the way
Water tower, leads up to cooling tower recirculated water and goes drain cooler pipeline to enter hydrophobic heater, through hydrophobic heater after heat exchange
Heat pump cycle waterpipe is gone to enter heat pump, exporting recirculated water by heat pump afterwards goes cooling tower pipeline to return to cooling tower；Heat
Net backwater enters heat pump, and flowing through heat pump outlet heat supply network backwater by water circulating pump II after heat exchange goes heat supply network heater conduit to enter heat
Net heater, afterwards into heat supply network.
Valve is respectively provided with each connecting pipe.
The mesolow cylinder connection tube portion draws gas into heat pump as steam is driven, and drives steam to go successively to dredge
Water heater exchanges heat.
Relative to prior art, the utility model beneficial effect is：Using the utility model of above-mentioned technical proposal, can be with
Heat is effectively reclaimed, and the effect of heat pump can be played, reduce cost, save energy, it is to avoid the waste of heat, green ring
Protect, it is economical and practical.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein, 1- steam turbines, 2- condensers, 3- cooling towers, 4- heat pumps, the hydrophobic heaters of 5-, 6- heat exchangers for district heatings, 7-
Water circulating pump I；8- water circulating pumps II；101- mesolow cylinder communicating pipe bleed steam pipeworks；102- mesolow cylinder communicating pipes draw gas and reduce phlegm and internal heat
Pump line road；103- heat pump steam discharges remove hydrophobic heater conduit, and 104- heat exchangers for district heatings are hydrophobic to go hydrophobic heater conduit, 105- to dredge
Water heater is hydrophobic to go condenser piping, the hydrophobic heaters of 106- to go heat pump cycle waterpipe, 107- condensers to go hydrophobic heating
Device circulating water pipeline, 108- heat pumps outlet heat supply network backwater goes heat supply network heater conduit, 109- heat pumps outlet recirculated water to remove cooling water
Tower tube road, 110- cooling towers go condenser circulating water pipeline, 111- condensers to remove cooling tower circulating water pipeline.
Specific embodiment
As shown in Figure 1, a kind of residual heat of electric power plant of the present utility model utilizes therrmodynamic system, including steam turbine 1, condenser 2,
Cooling tower 3, heat pump 4, hydrophobic heater 5, heat exchangers for district heating 6, water circulating pump I 7 and water circulating pump II 8, the condensing-type vapour
The mesolow cylinder communicating pipe of turbine 1 to be drawn gas and be divided into two-way by mesolow cylinder communicating pipe bleed steam pipework 101, and heat supply network is delivered to all the way
Heater 6 is exchanged heat with heat supply network recirculated water, and the pump line road 102 that reduces phlegm and internal heat of being drawn gas by mesolow cylinder communicating pipe all the way is delivered to heat pump
4；Drive heat pump 4 after exhaust steam hydrophobic heater conduit 103 is gone by heat pump steam discharge, with by heat exchangers for district heating it is hydrophobic go it is hydrophobic
It is hydrophobic after the heat exchange of heat exchangers for district heating 6 of heater conduit 104, enter hydrophobic heater 5 after converging together；In hydrophobic heating
It is hydrophobic after the heat exchange of device 5, go condenser piping 105 to drain into condenser 2 through hydrophobic heater condensate；The recirculated water of cooling tower 3
Water inlet, point two-way after condenser 2 exchanges heat is entered by water circulating pump I 7, removes cooling tower circulating water pipeline by condenser all the way
111 return to cooling tower 3, lead up to condenser and go hydrophobic heater circulating water pipeline 107 to enter hydrophobic heater 5, heat exchange
Recirculated water afterwards goes heat pump cycle waterpipe 106 to enter heat pump 4 through hydrophobic heater, is gone by heat pump outlet recirculated water afterwards cold
But water tower pipeline 109 returns to cooling tower 3；Heat supply network backwater enters heat pump 4, flows through heat pump by water circulating pump II 8 after heat exchange and goes out
Mouth heat supply network backwater goes heat supply network heater conduit 108 to enter heat exchangers for district heating 6, afterwards into heat supply network.
It is respectively provided with valve on each connecting pipe, valve I, pipeline is set on mesolow cylinder communicating pipe bleed steam pipework 101
Valve II is set on 107.
The mesolow cylinder connection tube portion draws gas into heat pump 4 as steam is driven, and drives steam to go successively to
Hydrophobic heater 5 exchanges heat.
Operation principle of the present utility model is as follows：
When supplying thermal condition is run, the valve I on mesolow cylinder communicating pipe bleed steam pipework 101 is opened, and condenser goes hydrophobic
Valve II on heater circulating water pipeline 107 is opened, and remaining pipe valve is opened, and the mesolow cylinder of condensing turbine 1 connects
Siphunculus to draw gas and be divided into two-way by pipeline 101, heat exchangers for district heating 6 is delivered to all the way and is exchanged heat with heat supply network recirculated water, a-road-through
Cross the pump line road 102 that reduces phlegm and internal heat of drawing gas mesolow cylinder communicating pipe and deliver to heat pump 4, Low Temperature Thermal is extracted as the acting of steam drive heat pump is driven
Source heat；Exhaust steam after driving steam to do work is after heat pump steam discharge removes hydrophobic heater conduit 103 and heat exchangers for district heating exchanges heat
Hydrophobic go hydrophobic heater conduit 104 to enter hydrophobic heater 5 and low-temperature heat source together to circulate by the way that heat exchangers for district heating is hydrophobic
Water is exchanged heat, and about 50 DEG C hydrophobic goes the row of condenser piping 105 by hydrophobic heater condensate after the heat exchange of hydrophobic heater 5
To condenser 2.15 DEG C of water inlets of recirculated water in cooling tower 3 remove condenser circulating water pipe by water circulating pump 7 through cooling tower
Road 110 exchanges heat into condenser 2；About 25 DEG C after heat exchange of circulation moisture two-way, leads up to condenser and goes cooling tower to follow
Ring waterpipe 111 returns to cooling tower 3 and is cooled down, and leads up to condenser and goes hydrophobic heater circulating water pipeline 107 to enter
Hydrophobic heater 5 is heated, and the recirculated water of about 30 after heating DEG C goes heat pump cycle waterpipe 106 to enter by hydrophobic heater
Enter heat pump 4 to be exchanged heat, cooling tower 3 is returned to through pipeline 109 after being extracted heat.About 55 DEG C of heat supply network backwater enters heat pump 4
Draw heat, goes heat supply network heater conduit 108 to enter heat supply network and heats after heat absorption heat through water circulating pump 8 and heat pump outlet heat supply network backwater
Device 6 is exchanged heat, and about 110 DEG C of heat supply network recirculated water enters heat supply network afterwards after heat exchange.
When non-supplying thermal condition is run, the valve I on mesolow cylinder communicating pipe bleed steam pipework 101 is closed, and condenser goes to dredge
Valve II on water heater circulating water pipeline 107 is closed, and the 15 DEG C of water inlets of recirculated water in cooling tower 3 pass through water circulating pump 7
110 exchanged heat into condenser 2 by the road；About 25 DEG C after heat exchange of recirculated water removes cooling tower circulating water pipeline by condenser
111 return to cooling tower 3 is cooled down.
Above-described is only preferred embodiment of the present utility model, it is noted that for those skilled in the art
For, under the premise of the utility model general idea is not departed from, some changes and improvements can also be made, these should also be considered as
Protection domain of the present utility model.
Claims (2)
1. a kind of residual heat of electric power plant utilizes therrmodynamic system, it is characterised in that：It includes steam turbine（1）, condenser（2）, cooling tower
（3）, heat pump（4）, hydrophobic heater（5）, heat exchangers for district heating（6）, water circulating pump I（7）With water circulating pump II（8）, the condensing
Formula steam turbine（1）Draw gas by mesolow cylinder communicating pipe bleed steam pipework mesolow cylinder communicating pipe（101）It is divided into two-way, it is defeated all the way
Deliver to heat exchangers for district heating（6）Exchanged heat with heat supply network recirculated water, all the way by pipeline to heat pump（4）；
Heat pump（4）Exhaust steam is driven to pass through pipeline and heat exchangers for district heating（6）It is hydrophobic after heat exchange, enter hydrophobic adding after converging together
Hot device（5）, in hydrophobic heater（5）After heat exchange condenser is drained into through pipeline（2）；
Cooling tower（3）Recirculated water water inlet, by water circulating pump I（7）Into condenser（2）Point two-way, passes through all the way after heat exchange
Piping returns to cooling tower（3）, lead up to pipeline into hydrophobic heater（5）, heat pump is entered through pipeline after heat exchange（4）,
Cooling tower is returned to by pipeline afterwards（3）；
Heat supply network backwater enters heat pump（4）, water circulating pump II is passed through after heat exchange（8）Flow through pipeline and enter heat exchangers for district heating（6）, afterwards
Into heat supply network.
2. a kind of residual heat of electric power plant utilizes therrmodynamic system according to claim 1, it is characterised in that：The mesolow cylinder communicating pipe
Draw gas and enter heat pump in part（4）As steam is driven, steam is driven to go successively to hydrophobic heater（5）Heat exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621394942.3U CN206299417U (en) | 2016-12-19 | 2016-12-19 | A kind of residual heat of electric power plant utilizes therrmodynamic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621394942.3U CN206299417U (en) | 2016-12-19 | 2016-12-19 | A kind of residual heat of electric power plant utilizes therrmodynamic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206299417U true CN206299417U (en) | 2017-07-04 |
Family
ID=59213855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621394942.3U Expired - Fee Related CN206299417U (en) | 2016-12-19 | 2016-12-19 | A kind of residual heat of electric power plant utilizes therrmodynamic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206299417U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087944A (en) * | 2017-12-31 | 2018-05-29 | 联合瑞升（北京）科技有限公司 | A kind of condensation water recycling heating system based on water water ejector |
| CN108613563A (en) * | 2018-04-19 | 2018-10-02 | 大连葆光节能空调设备厂 | It is a kind of to solve solution of the plant condenser cooling draining to eco-environmental impact |
-
2016
- 2016-12-19 CN CN201621394942.3U patent/CN206299417U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087944A (en) * | 2017-12-31 | 2018-05-29 | 联合瑞升（北京）科技有限公司 | A kind of condensation water recycling heating system based on water water ejector |
| CN108613563A (en) * | 2018-04-19 | 2018-10-02 | 大连葆光节能空调设备厂 | It is a kind of to solve solution of the plant condenser cooling draining to eco-environmental impact |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180102 Address after: 451450 Henan province Zhengzhou city Zhongmu Green Bo Cultural Industrial Park No. 9 Patentee after: China Electric Power Construction Group Huazhong Electric Power Design Research Institute Co., Ltd. Address before: 450007 Zhengzhou Zhongyuan Road, Henan, No. 212 Patentee before: Hennan Electric Power Survey & Design Institute |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 Termination date: 20191219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |