CN206846868U - Power plant's low calorie heating system - Google Patents
Power plant's low calorie heating system Download PDFInfo
- Publication number
- CN206846868U CN206846868U CN201720747022.3U CN201720747022U CN206846868U CN 206846868 U CN206846868 U CN 206846868U CN 201720747022 U CN201720747022 U CN 201720747022U CN 206846868 U CN206846868 U CN 206846868U
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- CN
- China
- Prior art keywords
- water
- heater
- platoon
- control valve
- flue gas
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model proposes a kind of power plant's low calorie heating system, including：Exhaust steam heater, platoon water heater, flue gas economizer and heat preserved water can, exhaust steam heater is arranged on the blow-off line of steam turbine, the outlet of exhaust steam heater is connected by the first branch pipeline with the inlet pipeline of platoon water heater and the inlet pipeline of flue gas economizer, is connected by the second branch pipeline with heat preserved water can；Platoon water heater connects with the platoon waterpipe of boiler；Flue gas economizer is arranged between electric cleaner or electrostatic fabric filter and desulfurizer, or it is arranged between firsts and seconds electric cleaner, the outlet of platoon water heater and flue gas economizer connects with heat preserved water can, and the domestic hot-water stored in the heat preserved water can is delivered to heat supply user.Power plant's low calorie heating system of the present utility model, the energy is saved, reduces the thermal pollution of environment.
Description
Technical field
Power plant's heating system field is the utility model is related to, particularly relates to a kind of exhaust steam using steam turbine, the company of boiler
The heating system that draining and fume afterheat are heated.
Background technology
At present, turbine exhaust steam in electric power plant exhaust steam, the platoon water of boiler and fume afterheat account for the 30% of power plant's gross energy.
By air cooling heat radiator or circulating water cooling tower etc., other heat exchange modes radiate this portion of energy, not only cause energy loss,
Thermal pollution also is caused to environment；Especially in summer, steam turbine is that Air-cooled Unit exhaust pressure is high, and exhaust steam temperature is high, energy loss
Bigger, thermal pollution is more serious.And domestic water or industrial water rely on other heat-supplying mode heat supplies, the energy is further exacerbated by
Waste the pollution with environment.
Utility model content
The utility model proposes a kind of power plant's low calorie heating system, solves turbine exhaust heat energy damage in the prior art
The problem of consuming greatly and causing environmental pollution.
What the technical solution of the utility model was realized in：
A kind of power plant's low calorie heating system, including：Exhaust steam heater, platoon water heater, flue gas economizer and insulation
Water pot, exhaust steam heater are arranged on the blow-off line of steam turbine, and the outlet of exhaust steam heater passes through the first branch pipeline and platoon
The inlet pipeline of water heater connects with the inlet pipeline of flue gas economizer, is connected by the second branch pipeline with heat preserved water can；Even
Draining heater connects with the platoon waterpipe of boiler；Flue gas economizer is arranged on electric cleaner or electrostatic fabric filter and filled with desulfurization
Between putting, or be arranged between firsts and seconds electric cleaner, the outlet of platoon water heater and flue gas economizer with insulation
Water pot connects, and the domestic hot-water stored in the heat preserved water can is delivered to heat supply user.
Preferably, in described power plant's low calorie heating system, in addition to extraction heater, blender and it is arranged on mixed
Temperature control device in clutch, extraction heater are arranged on the extraction line of steam turbine；The outlet of blender is controlled by two-way
Valve road connects with the extraction heater and the second branch pipeline respectively, the entrance of blender and the outlet of platoon water heater
Road, the outlet conduit of flue gas economizer, the first branch pipeline connect, and the outlet conduit of platoon water heater and described second point
Pipeline connection, the control valve of two-way control valve road are connected with temperature control device；When the water temperature that temperature control device is detected in blender is low
When predetermined temperature value, the control valve is controlled so that the water in blender is flowed into extraction heater.
Preferably, in described power plant's low calorie heating system, it is characterised in that the exit of the heat preserved water can is set
It is equipped with utilidor.
Preferably, in described power plant's low calorie heating system, it is characterised in that the exit of the heat preserved water can is set
Kinetic pump and mobile device are equipped with, kinetic pump is set on the mobile apparatus.
Preferably, in described power plant's low calorie heating system, set on the inlet pipeline of the platoon water heater
There is the first control valve；The second control valve is provided with the inlet pipeline of the flue gas economizer；It is close in second branch pipeline
The 3rd control valve is provided with exhaust steam heater.
Preferably, in described power plant's low calorie heating system, it is provided with the outlet conduit of the flue gas economizer
4th control valve；The 5th control valve is provided with the outlet conduit of the platoon water heater.
Preferably, in described power plant's low calorie heating system, the outlet conduit of the platoon water heater is by dividing
Branch pipe(tube) is connected with the blender, and the 5th control valve is provided with lateral；Described in second branch pipeline
The 6th control valve is provided between the outlet conduit of heat preserved water can and the platoon water heater.
Preferably, in described power plant's low calorie heating system, regulation exhaust steam heating is provided with the first branch pipeline
The 7th control valve that water in device is flowed into blender, the 7th control valve are arranged on the outlet of blender and platoon water heater
Pipeline, flue gas economizer outlet conduit between.
The beneficial effects of the utility model are：Power plant's low calorie heating system in the utility model, first passes through exhaust steam and adds
Hot device heats unboiled water, and the water after heating is all or part of to be heated by platoon water heater and flue gas economizer respectively again, both complete
The complete utilization waste heat of steam turbine, saves the combustion gas for heat supply and electric energy；Greatly reduce SO again2、CO2、NOxAnd carbon dust
The discharge of dirt, from the thermal pollution for largely reducing environment；Moreover, strengthen the applicability of heating 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 planar structure schematic diagram of power plant's low calorie heating system in the utility model embodiment 2.
In figure：
1st, exhaust steam heater；2nd, platoon water heater；3rd, flue gas economizer；4th, heat preserved water can；5th, blender；6th, draw gas and add
Hot device；7th, steam turbine；8th, platoon waterpipe；11st, the first branch pipeline；12nd, the second branch pipeline；13rd, the 3rd control valve；14th, the 7th
Control valve；21st, the first control valve；22nd, lateral；23rd, the 5th control valve；24th, the 6th control valve；31st, the second control valve；
32nd, the 4th control valve；71st, blow-off line；72nd, extraction line.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment 1, a kind of power plant's low calorie heating system, including：Exhaust steam heater 1, platoon water heater 2, flue gas save
Coal device 3 and heat preserved water can 4, exhaust steam heater 1 are arranged on the blow-off line 71 of steam turbine 7；Platoon water heater 2 and boiler
Platoon waterpipe 8 connects；Flue gas economizer 3 is arranged between electric cleaner or electrostatic fabric filter and desulfurizer, or is arranged on
Between firsts and seconds electric cleaner, for reclaiming heat and effectively being utilized；The domestic hot-water of storage in heat preserved water can 4
It is delivered to heat supply user.Exhaust steam heater 1 heats to unboiled water, the outlet of exhaust steam heater 1 by the first branch pipeline 11 with
The inlet pipeline of platoon water heater 2 connects with the inlet pipeline of flue gas economizer 3, for the water after exhaust steam heater is heated
Completely or partially flow into platoon water heater and flue gas economizer and carry out reheating；The outlet of exhaust steam heater 1 passes through
Second branch pipeline 12 connects with heat preserved water can 4, and the water after heating directly uses.
, both can be by being provided with guarantor in the exit of heat preserved water can 4 when water in heat preserved water can 4 is delivered to heat supply user
Warm pipeline can also be provided with the exit of heat preserved water can to realize conveying and be placed on the kinetic pump of mobile device to realize；
Also both modes can be used in combination.Heat supply user has a variety of demand users such as domestic consumer, commercial user, industrial user.
In order to more easily adjust the flow direction of the water in exhaust steam heater, set on the inlet pipeline of platoon water heater 2
There is the first control valve 21；The second control valve 31 is provided with the inlet pipeline of flue gas economizer 3；Close to exhaust steam in second branch pipeline
The 3rd control valve 13 is provided with heater.
Embodiment 2, as shown in figure 1, in order to more easily adjust water temperature, on the basis of embodiment 1, also include mixing
Device 5, extraction heater 6 and temperature control device, the entrance of blender and the outlet conduit of platoon water heater 2, flue gas economizer 3
Outlet conduit, the first branch pipeline 11 connect, the outlet of blender by two-way control valve road respectively with extraction heater 6 and the
Two branch pipelines 12 connect；Extraction heater 6 is arranged on the extraction line 72 of steam turbine 7；Temperature control device is arranged in blender 5
And be connected with the control valve of two-way control valve road, when the water temperature in blender reaches predetermined temperature, so that in blender
Water is delivered in heat preserved water can, when the water temperature in blender is not up to predetermined temperature, so that the water in blender is delivered to
Heated again in extraction heater, the water after heating is delivered in heat preserved water can and used as domestic hot-water.
The outlet conduit of platoon water heater 2 also directly connects with heat preserved water can, so that after the heating of platoon water heater
Water can both be flowed directly into heat preserved water can and used, and can also be flowed into blender.Because the temperature of flue gas economizer 3 is relatively low,
The outlet of flue gas economizer directly connects with blender.
The 4th control valve 32 is provided with the outlet conduit of flue gas economizer；The outlet conduit of platoon water heater 2 passes through
Lateral 22 is connected with blender, and the 5th control valve 23 is provided with lateral 22；Protected in second branch pipeline 12
The 6th control valve 24 is provided between the outlet conduit of warm water tank 4 and platoon water heater 2.
The 7th control valve that the water being provided with the first branch pipeline 11 in regulation exhaust steam heater is flowed into blender 5
14, the 7th control valve 14 is arranged between the outlet conduit of the outlet conduit of blender and platoon water heater, flue gas economizer,
Avoid producing interference from each other.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (8)
- A kind of 1. power plant's low calorie heating system, it is characterised in that including：Exhaust steam heater, platoon water heater, flue gas save coal Device and heat preserved water can, exhaust steam heater are arranged on the blow-off line of steam turbine, and the outlet of exhaust steam heater is in charge of by first Road connects with the inlet pipeline of platoon water heater and the inlet pipeline of flue gas economizer, passes through the second branch pipeline and heat preserved water can Connection；Platoon water heater connects with the platoon waterpipe of boiler；Flue gas economizer is arranged on electric cleaner or electrostatic fabric filter Between desulfurizer, or it is arranged between firsts and seconds electric cleaner, the outlet of platoon water heater and flue gas economizer Connected with heat preserved water can, the domestic hot-water stored in the heat preserved water can is delivered to heat supply user.
- 2. power plant's low calorie heating system according to claim 1, it is characterised in that also including extraction heater, mixing Device and the temperature control device being arranged in blender, extraction heater are arranged on the extraction line of steam turbine；The outlet of blender Valve road is controlled to be connected respectively with the extraction heater and the second branch pipeline by two-way, entrance and the platoon water of blender heat The outlet conduit of device, the outlet conduit of flue gas economizer, the first branch pipeline connect, and the outlet conduit of platoon water heater with The second branch pipeline connection, the control valve of two-way control valve road are connected with temperature control device；When temperature control device detects blender When interior water temperature is less than predetermined temperature value, the control valve is controlled so that the water in blender is flowed into extraction heater.
- 3. power plant's low calorie heating system according to claim 1, it is characterised in that the exit of the heat preserved water can is set It is equipped with utilidor.
- 4. power plant's low calorie heating system according to claim 1, it is characterised in that the exit of the heat preserved water can is set Kinetic pump and mobile device are equipped with, kinetic pump is set on the mobile apparatus.
- 5. power plant's low calorie heating system according to claim 1, it is characterised in that the import of the platoon water heater The first control valve is provided with pipeline；The second control valve is provided with the inlet pipeline of the flue gas economizer；Described second point On pipeline the 3rd control valve is provided with exhaust steam heater.
- 6. power plant's low calorie heating system according to claim 2, it is characterised in that the outlet of the flue gas economizer The 4th control valve is provided with road；The 5th control valve is provided with the outlet conduit of the platoon water heater.
- 7. power plant's low calorie heating system according to claim 2, it is characterised in that the outlet of the platoon water heater Pipeline is connected by lateral with the blender, and the 5th control valve is provided with lateral；Described second is in charge of On road the 6th control valve is provided between the outlet conduit of the heat preserved water can and the platoon water heater.
- 8. power plant's low calorie heating system according to claim 2, it is characterised in that tune is provided with the first branch pipeline The 7th control valve that water in section exhaust steam heater is flowed into blender, the 7th control valve are arranged on blender and added with platoon water Between the outlet conduit of hot device, the outlet conduit of flue gas economizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720747022.3U CN206846868U (en) | 2017-06-26 | 2017-06-26 | Power plant's low calorie heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720747022.3U CN206846868U (en) | 2017-06-26 | 2017-06-26 | Power plant's low calorie heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206846868U true CN206846868U (en) | 2018-01-05 |
Family
ID=60802179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720747022.3U Expired - Fee Related CN206846868U (en) | 2017-06-26 | 2017-06-26 | Power plant's low calorie heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206846868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800661A (en) * | 2018-07-10 | 2018-11-13 | 华创能源集团股份有限公司 | A kind of thermal power plant UTILIZATION OF VESIDUAL HEAT IN heat pump system and method |
-
2017
- 2017-06-26 CN CN201720747022.3U patent/CN206846868U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800661A (en) * | 2018-07-10 | 2018-11-13 | 华创能源集团股份有限公司 | A kind of thermal power plant UTILIZATION OF VESIDUAL HEAT IN heat pump system and method |
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Legal Events
| 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: 20180105 Termination date: 20190626 |