CN211119383U - Indirect steam coupling system of incinerator - Google Patents
Indirect steam coupling system of incinerator Download PDFInfo
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- CN211119383U CN211119383U CN201922086235.8U CN201922086235U CN211119383U CN 211119383 U CN211119383 U CN 211119383U CN 201922086235 U CN201922086235 U CN 201922086235U CN 211119383 U CN211119383 U CN 211119383U
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Abstract
The utility model discloses an indirect steam coupling system of an incinerator, which comprises an incinerator, a heat exchanger, a deaerator and a water feeding pump; the steam pipeline outlet of the incinerator is connected with the hot end inlet of the heat exchanger, the cold end of the heat exchanger is connected with the high-pressure heater of the large unit, the hot end outlet of the heat exchanger is connected with the water inlet of the deaerator, the water outlet of the deaerator is connected with the inlet of the water feed pump, and the outlet of the water feed pump is connected with the pipeline inlet of the incinerator. The heat that this burns burning furnace produced enters into the heat exchanger through the steam conduit and carries out the heat transfer to through the heat exchanger with the high-pressure feedwater of heat input to big unit, generate electricity in big unit, this coupled system passes through the heat exchanger coupling to big unit with the heat that burns burning furnace produced, the heat is finally through the big unit electricity generation of high parameter, in order to obtain higher unit efficiency.
Description
Technical Field
The utility model belongs to the technical field of power plant energy saving and emission reduction aspect, specifically be a rubbish mud matter burns burning furnace indirect steam coupled system.
Background
At present, most of sludge, garbage and biomass incinerators are medium-temperature and medium-pressure boilers or high-temperature and high-pressure furnaces, are coupled with small unit power generation systems, and due to the fact that the sludge, the garbage and the biomass are used as fuels, generated heat is limited, steam parameters after heating are low, power is generated through thermal conversion, unit efficiency is low during power generation, and generated electric energy is less.
Aiming at the existing problems, the heat obtained by combustion of the sludge, garbage and biomass incinerator can be indirectly coupled with a large unit high-pressure heating system, and the heat is finally generated through a large unit with high parameter so as to obtain higher unit efficiency.
SUMMERY OF THE UTILITY MODEL
The heat that produces to mud, rubbish and biomass burning is limited, can not directly carry out the problem of electricity generation through the big unit electricity generation of high parameter, the utility model provides an burn burning furnace indirect steam coupling system, the utility model discloses to mud rubbish burning furnace, will burn burning furnace burning gained heat indirect and big unit high-pressure heating system coupling, the heat is finally through the big unit electricity generation of high parameter to obtain higher unit efficiency.
The utility model discloses a realize through following technical scheme:
an indirect steam coupling system of an incinerator comprises the incinerator, a heat exchanger, a deaerator and a water feeding pump;
the steam pipeline outlet of the incinerator is connected with the hot end inlet of the heat exchanger, the cold end of the heat exchanger is connected with the high-pressure heater of the large unit, the hot end outlet of the heat exchanger is connected with the water inlet of the deaerator, the water outlet of the deaerator is connected with the inlet of the water feed pump, and the outlet of the water feed pump is connected with the pipeline inlet of the incinerator.
Preferably, the sewage discharge outlet of the incinerator is further connected with a continuous sewage discharge flash tank, and a gas outlet of the continuous sewage discharge flash tank is connected with a gas inlet of the deaerator.
Preferably, a water replenishing pump is further arranged between the hot end outlet of the heat exchanger and the water inlet of the deaerator.
Preferably, the water replenishing pump is a constant pressure water replenishing pump, and an outlet of the water replenishing pump is provided with a pressure transmitter.
Preferably, a plurality of heat exchangers are arranged on a steam pipeline at the outlet of the incinerator, and the cold end of each heat exchanger is connected with a high-pressure heater of one large unit.
Preferably, a check valve, a pressure transmitter and a temperature transmitter are further arranged on a pipeline between the feed pump and the incinerator.
Preferably, the feed pump is a variable frequency feed pump.
Preferably, a temperature transmitter is further arranged on the hot end pipeline of the heat exchanger.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model provides a pair of burn indirect steam coupled system of burning furnace, burn the heat that burning furnace produced and carry out the heat transfer in entering into the heat exchanger through the pipeline to after carrying out reheat in the high pressure feed water heater of big unit through the input of heat exchanger, generating electricity in big unit, this coupled system will burn the heat that burning furnace produced and pass through the heat exchanger coupling to big unit, the heat is finally through the big unit electricity generation of high parameter, in order to obtain higher unit efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the indirect steam coupling system of the incinerator.
In the figure: 1. an incinerator; 2. a heat exchanger; 3. a deaerator; 4. a feed pump; 5. a continuous blowdown flash tank; 6. a water replenishing pump; 7. a high pressure heater.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which are provided for purposes of illustration and not limitation.
An indirect steam coupling system of an incinerator comprises an incinerator 1, a heat exchanger 2, a deaerator 3, a water feed pump 4, a continuous pollution discharge flash tank 5 and a water replenishing pump 6.
Wherein, burn the steam line export of burning furnace 1 and the hot junction entry linkage of heat exchanger 2, the cold junction of heat exchanger 2 is connected with the high pressure feed water heater 7 of big unit, and the hot junction export of heat exchanger 2 is connected with the water inlet of oxygen-eliminating device 3, and the water outlet of oxygen-eliminating device 3 is connected with the entry linkage of feed water pump 4, and the export of feed water pump 4 is connected with the pipeline entry that burns burning furnace 1. The feed pump 4 is preferably a variable frequency feed pump.
The drain outlet of the incinerator 1 is connected with the inlet of the continuous sewage flash tank 5, and the gas outlet of the continuous sewage flash tank 5 is connected with the gas inlet of the deaerator 3.
And a water replenishing pump 6 is also arranged between the hot end outlet of the heat exchanger 2 and the water inlet of the deaerator 3, and the outlet of the water replenishing pump 6 is provided with a pressure transmitter for detecting the pressure in the pipeline. The water replenishing pump 6 is preferably a constant pressure water replenishing pump.
An electric shutoff valve is arranged at the inlet of the variable-frequency water feed pump, and a check valve, the electric shutoff valve, a temperature transmitter and a pressure transmitter are sequentially arranged on a pipeline at the outlet of the variable-frequency water feed pump.
And a temperature transmitter and an electric regulating valve are also arranged on the hot end pipeline of the heat exchanger.
In another embodiment, 1 heat exchanger or a plurality of heat exchangers are arranged on a pipeline between the incinerator and the deaerator 3, and the cold end of each heat exchanger is respectively connected with a high-pressure water supply pipeline at the inlet of a high-pressure heater 7 of a large unit.
The utility model provides a pair of burn indirect steam coupled system of burning furnace, burn the heat that burning furnace produced and carry out the heat transfer in entering into the heat exchanger through the pipeline to after carrying out reheat in the high pressure feed water heater of big unit through the input of heat exchanger, generating electricity in big unit, this coupled system will burn the heat that burning furnace produced and pass through the heat exchanger coupling to big unit, the heat is finally through the big unit electricity generation of high parameter, in order to obtain higher unit efficiency.
The water after the heat exchanger cooling gets into the oxygen-eliminating device, to and continuous blowdown flash tank 5 input steam to in the oxygen-eliminating device carries out the condensation into water, and the water after the deoxidization is imported to burning furnace through the frequency conversion feed-water pump once more.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (8)
1. An indirect steam coupling system of an incinerator is characterized by comprising an incinerator (1), a heat exchanger (2), a deaerator (3) and a water feeding pump (4);
wherein, the steam pipeline outlet of the incinerator (1) is connected with the hot end inlet of the heat exchanger (2), the cold end of the heat exchanger (2) is connected with the high-pressure heater (7) of the large unit, the hot end outlet of the heat exchanger (2) is connected with the water inlet of the deaerator (3), the water outlet of the deaerator (3) is connected with the inlet of the water feed pump (4), and the outlet of the water feed pump (4) is connected with the pipeline inlet of the incinerator (1).
2. An incinerator indirect steam coupling system as claimed in claim 1 wherein the blowdown outlet of the incinerator (1) is further connected with a continuous blowdown flash tank (5), the gas outlet of the continuous blowdown flash tank (5) being connected with the gas inlet of the deaerator (3).
3. An incinerator indirect steam coupling system as claimed in claim 1 wherein there is also a make-up water pump (6) between the hot end outlet of the heat exchanger (2) and the water inlet of the deaerator (3).
4. An incinerator indirect steam coupling system as claimed in claim 3 wherein, the make-up water pump (6) is a constant pressure make-up water pump, and the outlet of the make-up water pump (6) is provided with a pressure transmitter.
5. An incinerator indirect steam coupling system as claimed in claim 1 wherein, a plurality of heat exchangers are arranged on the steam pipeline of the incinerator (1) outlet, and the cold end of each heat exchanger is connected with a large unit high pressure heater (7).
6. Incinerator indirect steam coupling system according to claim 1, characterized in that the pipeline between feed pump (4) and incinerator (1) is also provided with check valve, pressure transmitter and temperature transmitter.
7. An incinerator indirect steam coupling system as claimed in claim 1 wherein said feed pump is a variable frequency feed pump.
8. The indirect steam coupling system of an incinerator as claimed in claim 1 wherein the hot end pipeline of the heat exchanger is also provided with a temperature transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922086235.8U CN211119383U (en) | 2019-11-27 | 2019-11-27 | Indirect steam coupling system of incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922086235.8U CN211119383U (en) | 2019-11-27 | 2019-11-27 | Indirect steam coupling system of incinerator |
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| Publication Number | Publication Date |
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| CN211119383U true CN211119383U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922086235.8U Active CN211119383U (en) | 2019-11-27 | 2019-11-27 | Indirect steam coupling system of incinerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119084917A (en) * | 2024-10-22 | 2024-12-06 | 厦门铭光能源科技有限公司 | A flue gas waste heat recovery device for a direct current boiler |
-
2019
- 2019-11-27 CN CN201922086235.8U patent/CN211119383U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119084917A (en) * | 2024-10-22 | 2024-12-06 | 厦门铭光能源科技有限公司 | A flue gas waste heat recovery device for a direct current boiler |
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