CN203907727U - Thermal power generation system and heating system of thermal power generation system - Google Patents
Thermal power generation system and heating system of thermal power generation system Download PDFInfo
- Publication number
- CN203907727U CN203907727U CN201420296438.4U CN201420296438U CN203907727U CN 203907727 U CN203907727 U CN 203907727U CN 201420296438 U CN201420296438 U CN 201420296438U CN 203907727 U CN203907727 U CN 203907727U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- water
- pipeline
- gas heater
- condensate
- Prior art date
- 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 - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 48
- 238000010248 power generation Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 189
- 239000000498 cooling water Substances 0.000 claims abstract description 37
- 238000001816 cooling Methods 0.000 claims abstract description 28
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 183
- 239000003546 flue gas Substances 0.000 claims description 183
- 239000007789 gas Substances 0.000 claims description 32
- 238000006477 desulfuration reaction Methods 0.000 claims description 21
- 229910052755 nonmetal Inorganic materials 0.000 claims description 11
- 239000000779 smoke Substances 0.000 abstract description 10
- 239000000428 dust Substances 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract 2
- 230000003009 desulfurizing effect Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000009394 selective breeding Methods 0.000 description 2
- 206010009866 Cold sweat Diseases 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Chimneys And Flues (AREA)
Abstract
The utility model discloses a thermal power generation system and a heating system of the thermal power generation system. The heating system comprises a smoke system, a steam-water circulating system and a heat supply network circulation water pipe (21). The smoke system comprises a dust remover (11) and a desulfurizing absorption tower (12), and further comprises a heat supply network water smoke heater (13). A gas pipe of the heat supply network water smoke heater (13) can be connected between the dust remover (11) and the desulfurizing absorption tower (12) in a selectable mode, and a cooling water pipe of the heat supply network water smoke heater (13) is connected to the heat supply network circulation water pipe (21) in series. The utility model further discloses the thermal power generation system. By means of the technical scheme, heat in smoke can be recycled for heating, the use amount of cooling water, used for cooling the discharged smoke, in the smoke system can be further reduced, the energy use ratio is increased, the heating capacity is improved, and waste of water resources is further reduced.
Description
Technical field
The utility model relates to thermal power generating technology, particularly, and the thermal power generation system that relates to a kind of heating system for thermal power generation system and comprise this heating system.
Background technology
In order to improve thermal power plant energy conversion efficiency, conventionally utilize the middle temperature steam that thermal power plant produces to come hot net water to heat, with to heat supplies such as city, industrial parks, also can effectively reduce greenhouse gas emission simultaneously, be one of National Development and Reform Committee's energy efficiency promotion technology.
But, in thermal power generation unit, in the flue gas that burning produces and Steam Turbine, to finish in the exhaust steam that merit produces and have a large amount of heats, heat is is often scattered and disappeared and slatterns or fully do not reclaim, and has therefore reduced the energy conversion efficiency in thermal power plant.
Utility model content
The purpose of this utility model is to provide a kind of heating system for thermal power generation system, and this heating system can be by the heat recovery and utilization in flue tail gas.
To achieve these goals, the utility model provides a kind of heating system for thermal power generation system, wherein, this heating system comprises flue gas system, steam-water circulation system and heat supply network circulating water line, this flue gas system comprises deduster and desulfuration absorbing tower, described flue gas system also comprises hot net water flue gas heater, the gas piping of this hot net water flue gas heater can selectively be connected between this deduster and this desulfuration absorbing tower, and the cooling water pipeline of described hot net water flue gas heater is connected in series on this heat supply network circulating water line.
Preferably, described flue gas system also comprises condensate water flue gas heater, the gas piping of this condensate water flue gas heater can selectively be connected between described deduster and described desulfuration absorbing tower, described steam-water circulation system comprises condensate line, and the cooling water pipeline of described condensate water flue gas heater is connected in series on described condensate line.
Preferably, described steam-water circulation system also comprises condenser, and the cooling water pipeline of this condenser can selectively be connected in series in described heat supply network circulating water line.
Preferably, described heating system also comprises cooling device, and the cooling water pipeline of described condenser can also selectively be connected in series with this cooling device.
Preferably, described cooling device comprises cooling tower and/or Air-Cooling Island and/or radiator of direct air-cooling.
Preferably, described steam-water circulation system also comprises condenser, and the cooling water pipeline of described condensate water flue gas heater is connected on the downstream of described condenser.
Preferably, described flue gas system also comprises flue gas pipeline, on this flue gas pipeline between described deduster and described desulfuration absorbing tower, be provided with two flue gas pipeline joints, in these two flue gas pipeline joints, be provided with the guide rail extending perpendicular to described flue gas pipeline, described hot net water flue gas heater and described condensate water flue gas heater are slidably disposed on described guide rail side by side along the bearing of trend of this guide rail, by described hot net water flue gas heater and described condensate water flue gas heater are slided along described guide rail, can make the two ends of the gas piping of described hot net water flue gas heater or described condensate water flue gas heater be connected with described two flue gas pipeline joints.
Preferably, the two ends of the gas piping of described hot net water flue gas heater or described condensate water flue gas heater are connected with non-metal expansion joint by buckle respectively, and this non-metal expansion joint can be enclosed within on described two flue gas pipeline joints.
Preferably, in the both sides of described two flue gas pipeline joints, be respectively arranged with condensate pipe pipeline connector and heat supply network circulating water pipe pipeline connector, when the gas piping of described condensate water flue gas heater is connected with described flue gas pipeline joint, this condensate pipe pipeline connector is connected with the cooling water pipeline of described condensate water flue gas heater, when the gas piping of described hot net water flue gas heater is connected with described flue gas pipeline joint, this heat supply network circulating water pipe pipeline connector can be connected with the cooling water pipeline of described hot net water flue gas heater.
The utility model also provides a kind of thermal power generation system, and wherein, this thermal power generation system comprises heating system described in the utility model.
Pass through technique scheme, utilize the hot net water flue gas heater arranging in flue gas system to come the hot net water heating in hot net water pipeline, thereby can be by the heat recovery in flue gas for heating, can also reduce in flue gas system the consumption of the cooling water of the flue gas cool-down for discharging, not only improved the utilization rate of energy, improve heating capacity, also reduced the waste of water resource.
Other feature and advantage of the present utility model partly in detail are described the specific embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for description, is used from explanation the utility model, but does not form restriction of the present utility model with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is according to the schematic diagram of the heating system of the utility model preferred embodiment;
Fig. 2 is the schematic diagram being connected with flue gas pipeline with condensate water flue gas heater according to the hot net water flue gas heater of the utility model preferred embodiment.
Description of reference numerals
10 flue gas pipeline 11 dedusters
12 desulfuration absorbing tower 13 hot net water flue gas heaters
14 condensate water flue gas heater 21 heat supply network circulating water lines
30 condensate line 31 condensers
32 vapor-water heat exchanger 4 cooling devices
51 guide rail 52 buckles
53 non-metal expansion joint 54 condensate pipe pipeline connectors
55 heat supply network circulating water pipe pipeline connector 6 user's heat network systems
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that not doing contrary explanation, the noun of locality of use, as " upstream, the downstream " flow direction of fluid relatively normally, should be understood according to actual conditions and in conjunction with the description in description.
It is a kind of for thermal power plant low-temperature heat source heating system that the utility model provides, wherein, this heating system comprises flue gas system (boiler smoke wind system), steam-water circulation system (condensate system) and heat supply network circulating water line 21, this flue gas system comprises deduster 11 and desulfuration absorbing tower 12 etc., described flue gas system also comprises hot net water flue gas heater 13, the gas piping of this hot net water flue gas heater 13 can selectively be connected between this deduster 11 and this desulfuration absorbing tower 12, the cooling water pipeline of described hot net water flue gas heater 13 is connected in series on this heat supply network circulating water line 21.
Thermal power generation unit mainly comprises boiler and Steam Turbine, and the fuel combustion in boiler is to water heating so that water becomes steam, and the chemical energy of fuel is converted into heat energy; Then steam pushing turbine rotation in Steam Turbine, heat energy changes into mechanical energy; Steam turbine drives generator rotation, and mechanical energy is changed into electric energy.
Wherein, flue gas system is the gas piping system of discharging the flue gas of burning generation after boiler combustion.The temperature of the flue tail gas that boiler combustion produces is at 120-150 ℃, comprised a large amount of heats, first after carrying out dust removal process by deduster, then pass into that desulfuration absorbing tower carries out desulfurization and cooling is processed, except the clean exhaust emissions after dust and sulphur is in atmosphere.
In the technical solution of the utility model, between the deduster 11 in flue gas system and desulfuration absorbing tower 12, can selectively connect hot net water flue gas heater 13.This hot net water flue gas heater 13 can adopt corrosion resistant flue gas heater, in this flue gas heater, be provided with cooling water pipeline, and this cooling water pipeline is connected in series on heat supply network circulating water line 21, thereby heat supply network recirculated water can be passed in the cooling water pipeline in this hot net water flue gas heater 13.High-temperature flue gas enters into this hot net water flue gas heater 13 from air inlet, and discharge from gas outlet, when flue gas passes through in hot net water flue gas heater 13, can with cooling water pipeline in heat supply network recirculated water carry out heat exchange, thereby the temperature of flue tail gas is reduced and the temperature of heat supply network recirculated water is raise.On this heat supply network circulating water line 21, be connected with user's heat network system 6, and the water in this heat supply network circulating water line 21 can flow into user's heat network system 6 to carry out heat exchange.In this user's heat network system, can connect subscriber equipment any suitable in prior art.Like this, not only played the effect that reduces flue tail gas temperature, can also heat to user.Its effect be for can improve the temperature 15-20 ℃ of heat supply network recirculated water, and makes the temperature of flue tail gas reduce 30-50 ℃.
It should be noted that, this hot net water flue gas heater 13 can selectively be connected in flue gas system, that is to say, in the situation that heating season or other need to heat, can artificial selection hot net water flue gas heater 13 be linked between deduster 11 and desulfuration absorbing tower 12, thereby utilize the heat supply network circulating water heating in 13 pairs of heat supply network circulating water lines 21 of hot net water flue gas heater.And at non-heating season or do not need heating in the situation that, can select this hot net water flue gas heater 13 not to be linked in flue gas system, or in other preferred embodiments, other flue gas heaters alternatively can also be accessed, this will below describe in detail.
Pass through technique scheme, utilize the hot net water flue gas heater arranging in flue gas system to come the hot net water heating in hot net water pipeline, thereby can be by the heat recovery in flue gas for heating, can also reduce in flue gas system the consumption of the cooling water of the flue gas cool-down for discharging, not only improved the utilization rate of the energy, improve the heating capacity of power plant, also reduced the waste (desulfurization island) of water resource.
Preferably, described flue gas system also comprises condensate water flue gas heater 14, the gas piping of this condensate water flue gas heater 14 can selectively be connected between described deduster 11 and described desulfuration absorbing tower 12, described steam-water circulation system comprises condensate line 30, and the cooling water pipeline of described condensate water flue gas heater 14 is connected in series on described condensate line 30.
In this preferred embodiment, can selectively condensate water flue gas heater 14 be connected between deduster 11 and desulfuration absorbing tower 12.This condensate water flue gas heater 14 is the same with hot net water flue gas heater 13 mentioned above, also can adopt corrosion-resistant flue gas heater.
Wherein, the cooling water pipeline of condensate water flue gas heater 14 is connected in series on condensate line 30, thereby the condensate water in condensate line 30 can be passed in the cooling water pipeline in this condensate water flue gas heater 14.High-temperature flue gas enters into this condensate water flue gas heater 14 from air inlet, and discharge from gas outlet, when flue gas stops in condensate water flue gas heater 14, can with cooling water pipeline in condensate water carry out heat exchange, thereby the temperature of flue tail gas is reduced and the temperature of condensate water is raise.This condensate line 30 is mainly used in transmitting the condensate water being formed by steam-condensation in condenser, after this condensate water collecting, through heating, inferior, recycles in sending back to boiler.Like this, not only played the effect that reduces flue tail gas temperature, can also heat condensate water, avoided utilizing extra thermal source, improved the utilization rate of the energy and reduced energy consumption.
More preferably, on this condensate line 30, be connected with vapor-water heat exchanger 32, the cooling water pipeline of this condensate water flue gas heater 14 is connected with vapor-water heat exchanger 32, and the water in condensate water flue gas heater 14 can heat vapor-water heat exchanger 32 like this.
Preferably, described steam-water circulation system also comprises condenser 31, and the cooling water pipeline of this condenser 31 can selectively be connected in series in described heat supply network circulating water line 21.
After high-temperature steam is to steam turbine acting generating, the exhaust steam that can produce low temperature, except the heat recovery and utilization in flue tail gas, according to preferred embodiment of the present utility model, also recycles the energy in low-temperature steam exhaust in condenser 31.
According to preferred embodiment of the present utility model, in condenser 31 in steam-water circulation system, be provided with cooling water pipeline, this cooling water pipeline can selectively be connected in series in heat supply network circulating water line 21, the exhaust steam that steam turbine produces is passed in condenser 31, heat supply network recirculated water in exhaust steam and cooling water pipeline carries out heat exchange, thereby make exhaust steam condense into liquid water, and make the intensification of being heated of heat supply network recirculated water in cooling water pipeline.
In this heat supply network circulating water line 21, be connected with user's heat network system 6.Like this, not only played the effect of exhaust steam condensation, can also heat to user.Its effect can improve the temperature 25-30 ℃ of heat supply network recirculated water.
It should be noted that, this condenser 31 can selectively be connected in heat supply network circulating water line 21, that is to say, in the situation that heating season or other need to heat, can artificial selection condenser 31 be linked in heat supply network circulating water line 21, thereby utilize steam turbine exhaust steam to the heat supply network circulating water heating in heat supply network circulating water line 21.
And at non-heating season or do not need heating in the situation that, can select this condenser 31 not to be linked in heat supply network circulating water line 21.For example preferably, described heating system also comprises cooling device 4, and the cooling water pipeline of described condenser 31 can also selectively be connected in series with this cooling device 4.This cooling device 4 can adopt any one applicable cooling device in prior art, and the utility model is not limited this.
Preferably, described cooling device 4 comprises cooling tower and/or Air-Cooling Island and/or radiator of direct air-cooling.For example, for the cooling unit of clammy secondary, this condenser 31 can be connected with cooling tower; In indirect cooler group, condenser 31 can be connected with Air-Cooling Island; And in direct cooling unit, condenser can be connected with radiator of direct air-cooling.
Below only the unit of different radiating modes has been carried out simply exemplifying, do not formed restriction of the present utility model.
Preferably, described steam-water circulation system also comprises condenser 31, and the cooling water pipeline of described condensate water flue gas heater 14 is connected on the downstream of described condenser 31.
Known according to description above, the exhaust steam that steam turbine produces condenses into liquid condensate water after by condenser 31, for saving water resource, need to reclaim this condensate water, heat and send boiler back to and recycle.In this preferred embodiment, can adopt the waste heat of flue tail gas to heat again this condensate water, not only reclaim the heat in flue tail gas, and saved the device to condensate water heating in steam-water circulation system, saved energy.
Preferably, described flue gas system also comprises flue gas pipeline 10, on this flue gas pipeline 10 between described deduster 11 and described desulfuration absorbing tower 12, be provided with two flue gas pipeline joints, in these two flue gas pipeline joints, be provided with the guide rail 51 extending perpendicular to described flue gas pipeline 10, described hot net water flue gas heater 13 and described condensate water flue gas heater 14 are slidably disposed on described guide rail 51 side by side along the bearing of trend of this guide rail 51, by described hot net water flue gas heater 13 and described condensate water flue gas heater 14 are slided along described guide rail 51, can make the two ends of the gas piping of described hot net water flue gas heater 13 or described condensate water flue gas heater 14 be connected with described two flue gas pipeline joints.
A kind of structure that arranges of flue gas pipeline is provided in this preferred embodiment.Flue gas pipeline 10 between deduster 11 and desulfuration absorbing tower 12 disconnects and forms two flue gas pipeline joints, therefore can optionally hot net water flue gas heater 13 or condensate water flue gas heater 14 be linked between these two flue gas pipeline joints.
For the ease of alternately accessing this hot net water flue gas heater 13 and condensate water flue gas heater 14, between two flue gas pipeline joints, be provided with the guide rail 51 perpendicular to flue gas pipeline 10, thereby be provided with corresponding pulley on hot net water flue gas heater 13 and condensate water flue gas heater 14, along this guide rail 51, slide, therefore can be easily hot net water flue gas heater 13 or condensate water flue gas heater 14 be slided into the position corresponding with connecting a flue gas pipeline joint and connect.
Like this, in the both sides of flue gas pipeline 10, should reserve the position that this hot net water flue gas heater 13 and condensate water flue gas heater 14 can be set, when this hot net water flue gas heater 13 or condensate water flue gas heater 14 do not access in flue 10, can deposit easily, clean, safeguard or change this hot net water flue gas heater 13 or condensate water flue gas heater 14.
Preferably, the two ends of the gas piping of described hot net water flue gas heater 13 or described condensate water flue gas heater 14 are connected with non-metal expansion joint 53 by buckle 52 respectively, and this non-metal expansion joint 53 can be enclosed within on described two flue gas pipeline joints.
In this preferred embodiment, adopt buckle 52 and non-metal expansion joint 53 to realize quick connection the between hot net water flue gas heater 13 or condensate water flue gas heater 14 and flue gas pipeline joint, and non-metal expansion joint 53 is applicable to gas pipeline, without crossing desulfurization smoke treatment, leaks in ambient atmosphere and pollute preventing.
This non-metal expansion joint 53 is connected to the end of two flue gas pipeline joints, when as required and when hot net water flue gas heater 13 or condensate water flue gas heater 14 are moved to the position corresponding with these two hidden weapon pipe joints, by buckle 52, the other end of non-metal expansion joint 53 and hot net water flue gas heater 13 or condensate water flue gas heater 14 are linked together, fast and easy.
Certainly, these are only preferred embodiment, conduct is not to restriction of the present utility model.In prior art, any one applicable connected mode can be applied in the utility model.
Preferably, in the both sides of described two flue gas pipeline joints, be respectively arranged with condensate pipe pipeline connector 54 and heat supply network circulating water pipe pipeline connector 55, when the gas piping of described condensate water flue gas heater 14 is connected with described flue gas pipeline joint, this condensate pipe pipeline connector 54 is connected with the cooling water pipeline of described condensate water flue gas heater 14, when the gas piping of described hot net water flue gas heater 13 is connected with described flue gas pipeline joint, this heat supply network circulating water pipe pipeline connector 55 can be connected with the cooling water pipeline of described hot net water flue gas heater 13.
In order to simplify the setting of pipeline and to facilitate hot net water flue gas heater 13 and the switching of described condensate water flue gas heater 14, in the both sides of flue gas pipeline joint, be arranged at respectively the condensate pipe pipeline connector 54 that condensate line 30 is communicated with, and the heat supply network circulating water pipe pipeline connector 55 being communicated with heat supply network circulating water line 21.
The utility model also provides a kind of thermal power generation system, and wherein, this thermal power generation system comprises heating system described in the utility model.
Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present utility model, also can be combined, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. the heating system for thermal power generation system, it is characterized in that, this heating system comprises flue gas system, steam-water circulation system and heat supply network circulating water line (21), this flue gas system comprises deduster (11) and desulfuration absorbing tower (12), described flue gas system also comprises hot net water flue gas heater (13), the gas piping of this hot net water flue gas heater (13) can selectively be connected between this deduster (11) and this desulfuration absorbing tower (12), and the cooling water pipeline of described hot net water flue gas heater (13) is connected in series on this heat supply network circulating water line (21).
2. heating system according to claim 1, it is characterized in that, described flue gas system also comprises condensate water flue gas heater (14), the gas piping of this condensate water flue gas heater (14) can selectively be connected between described deduster (11) and described desulfuration absorbing tower (12), described steam-water circulation system comprises condensate line (30), and the cooling water pipeline of described condensate water flue gas heater (14) is connected in series on described condensate line (30).
3. heating system according to claim 2, it is characterized in that, described steam-water circulation system also comprises condenser (31), and the cooling water pipeline of this condenser (31) can selectively be connected in series in described heat supply network circulating water line (21).
4. heating system according to claim 3, is characterized in that, described heating system also comprises cooling device (4), and the cooling water pipeline of described condenser (31) can also selectively be connected in series with this cooling device (4).
5. heating system according to claim 4, is characterized in that, described cooling device (4) comprises cooling tower and/or Air-Cooling Island and/or radiator of direct air-cooling.
6. heating system according to claim 2, is characterized in that, described steam-water circulation system also comprises condenser (31), and the cooling water pipeline of described condensate water flue gas heater (14) is connected on the downstream of described condenser (31).
7. heating system according to claim 6, it is characterized in that, described flue gas system also comprises flue gas pipeline (10), on this flue gas pipeline (10) between described deduster (11) and described desulfuration absorbing tower (12), be provided with two flue gas pipeline joints, in these two flue gas pipeline joints, be provided with the guide rail (51) extending perpendicular to described flue gas pipeline (10), described hot net water flue gas heater (13) and described condensate water flue gas heater (14) are slidably disposed on described guide rail (51) side by side along the bearing of trend of this guide rail (51), by described hot net water flue gas heater (13) and described condensate water flue gas heater (14) are slided along described guide rail (51), can make the two ends of the gas piping of described hot net water flue gas heater (13) or described condensate water flue gas heater (14) be connected with described two flue gas pipeline joints.
8. heating system according to claim 7, it is characterized in that, the two ends of the gas piping of described hot net water flue gas heater (13) or described condensate water flue gas heater (14) are connected with non-metal expansion joint (53) by buckle (52) respectively, and this non-metal expansion joint (53) can be enclosed within on described two flue gas pipeline joints.
9. heating system according to claim 7, it is characterized in that, in the both sides of described two flue gas pipeline joints, be respectively arranged with condensate pipe pipeline connector (54) and heat supply network circulating water pipe pipeline connector (55), when the gas piping of described condensate water flue gas heater (14) is connected with described flue gas pipeline joint, this condensate pipe pipeline connector (54) is connected with the cooling water pipeline of described condensate water flue gas heater (14), when the gas piping of described hot net water flue gas heater (13) is connected with described flue gas pipeline joint, this heat supply network circulating water pipe pipeline connector (55) can be connected with the cooling water pipeline of described hot net water flue gas heater (13).
10. a thermal power generation system, is characterized in that, this thermal power generation system comprises the heating system described in any one in the claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420296438.4U CN203907727U (en) | 2014-06-05 | 2014-06-05 | Thermal power generation system and heating system of thermal power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420296438.4U CN203907727U (en) | 2014-06-05 | 2014-06-05 | Thermal power generation system and heating system of thermal power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203907727U true CN203907727U (en) | 2014-10-29 |
Family
ID=51781998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420296438.4U Expired - Lifetime CN203907727U (en) | 2014-06-05 | 2014-06-05 | Thermal power generation system and heating system of thermal power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203907727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396960A (en) * | 2020-03-05 | 2020-07-10 | 华电电力科学研究院有限公司 | System and method for supplying water to wet desulphurization clean flue gas preheating heating heat supply network |
-
2014
- 2014-06-05 CN CN201420296438.4U patent/CN203907727U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396960A (en) * | 2020-03-05 | 2020-07-10 | 华电电力科学研究院有限公司 | System and method for supplying water to wet desulphurization clean flue gas preheating heating heat supply network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106090880B (en) | A kind of machine stove set heat circulation afterheat recycling system | |
| CN102759096B (en) | Smoke waste heat utilization system | |
| CN202177093U (en) | Multi-level efficient displacement type fume waste-heat utilization system | |
| CN102401369B (en) | Method for improving quality of recyclable exhaust waste heat in power plant boiler and progressively utilizing exhaust waste heat | |
| CN102269401A (en) | Low-temperature flue gas waste heat recovery utilization method | |
| CN101713561A (en) | System device for power plants to supply heat to buildings | |
| CN102454980A (en) | Method for recycling flue gas waste heat of thermal power plant boiler | |
| CN103968406A (en) | Water gas smoke-smoke heat exchanging system and method capable of preventing low-temperature corrosion | |
| CN102759097A (en) | Boiler tail flue gas waste heat utilization system | |
| CN104235928A (en) | Boiler flue gas waste heat heating system | |
| CN203323218U (en) | Boiler flue gas waste heat heating system | |
| CN105402761A (en) | Deep coupling utilization system for turbine steam exhaust waste heat and boiler flue gas waste heat | |
| CN107202318A (en) | A kind of heat of smoke discharged from boiler of power station deep exploitation and water reclamation system | |
| CN202791972U (en) | Boiler tail flue gas waste heat utilization system | |
| CN201827875U (en) | Low-temperature flue gas waste heat recovery device | |
| CN103032867A (en) | Multilevel efficient replaceable type smoke waste heat using system | |
| CN201892201U (en) | Two-level smoke heat exchanger system applied to thermal power plant | |
| CN105020737A (en) | System for improving safety of air pre-heater by utilizing spiral-fin type heat exchanger | |
| CN203489244U (en) | Boiler smoke waste-heat applicable system | |
| CN203036658U (en) | Boiler flue gas waste heat multipurpose utilization system | |
| CN203907727U (en) | Thermal power generation system and heating system of thermal power generation system | |
| CN102494329B (en) | Device for utilizing flue gas waste heat of boiler comprehensively | |
| CN103557532A (en) | System and method for avoiding low-temperature corrosion of air preheater by using phase-change heat exchange | |
| CN204026649U (en) | Device for utilizing waste of boiler | |
| CN1908568A (en) | Fume-fume hot pipe heater exchanger for fume desulphurization in heat-engine plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |