CN212362044U - Garbage disposal and generator set coupling power generation system - Google Patents
Garbage disposal and generator set coupling power generation system Download PDFInfo
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- CN212362044U CN212362044U CN202021818462.1U CN202021818462U CN212362044U CN 212362044 U CN212362044 U CN 212362044U CN 202021818462 U CN202021818462 U CN 202021818462U CN 212362044 U CN212362044 U CN 212362044U
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- power generation
- air preheater
- heat exchanger
- garbage
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 85
- 238000010248 power generation Methods 0.000 title claims abstract description 34
- 230000008878 coupling Effects 0.000 title claims abstract description 11
- 238000010168 coupling process Methods 0.000 title claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 11
- 239000000428 dust Substances 0.000 claims abstract description 57
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000003546 flue gas Substances 0.000 claims abstract description 48
- 238000002485 combustion reaction Methods 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000010881 fly ash Substances 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 19
- 239000002699 waste material Substances 0.000 claims description 17
- 229910001385 heavy metal Inorganic materials 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000006477 desulfuration reaction Methods 0.000 claims description 6
- 230000023556 desulfurization Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 2
- 238000002309 gasification Methods 0.000 claims description 2
- 238000000197 pyrolysis Methods 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 8
- 231100000719 pollutant Toxicity 0.000 abstract description 8
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002912 waste gas Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 238000004056 waste incineration Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 2
- 229910052815 sulfur oxide Inorganic materials 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Chimneys And Flues (AREA)
Abstract
The utility model belongs to the technical field of the energy utilization, a refuse treatment and generating set coupling power generation system is disclosed, include: the garbage disposal system comprises a garbage incinerator and a dust remover which are communicated; a thermal power generation system comprises a boiler, a first air preheater and a first heat exchanger, wherein the first heat exchanger is arranged in a steering chamber of the boiler and is communicated with a garbage incinerator, the first air preheater is communicated with the first heat exchanger, a dust remover is communicated with the boiler, flue gas subjected to dust removal by the dust remover enters the boiler for combustion, air enters the first heat exchanger through the first air preheater and enters the garbage incinerator after being heated by heat generated by combustion in the boiler. The utility model discloses a conventional msw incineration power plant is compared with generating set coupling power generation system to refuse treatment, and the heat that the rubbish decomposes the production can directly be absorbed by boiler system, and the boiler to after the msw incineration flue gas high temperature treatment, waste gases such as dioxin can reach pollutant emission standard in the msw incineration flue gas.
Description
Technical Field
The utility model relates to an energy utilization technical field especially relates to a refuse treatment and generating set coupling power generation system.
Background
At present, the garbage disposal technology mainly comprises incineration, landfill and biological treatment, wherein the incineration of garbage is one of the accepted important methods for the resource treatment of garbage. The conventional garbage incineration technology has the advantages of complex system, high investment cost, high operating cost and low energy utilization efficiency, and simultaneously has certain requirements on the calorific value of the garbage, and the garbage can be incinerated after being sorted, fermented and stored for a certain time in advance. The waste incineration plant needs to be separately provided with a complex flue gas purification system aiming at pollutants such as dioxin, chloride, sulfur dioxide, nitrogen oxide and the like generated in the waste incineration treatment process, and the flue gas purification system has the advantages of large investment, high energy consumption and low purification efficiency and causes adverse effects on the economic operation of the waste incineration plant.
In addition, the traditional thermal generator set only depends on non-renewable energy sources to generate electricity at the present stage, the generation cost is high, the consumption of the non-renewable energy sources is huge, but the traditional power generation system is mature and complete, and is provided with a series of equipment such as a boiler and a flue gas treatment device. Therefore, how to integrate the existing thermal generator set with the waste disposal system to realize the effective utilization of energy of the waste disposal system and the effective disposal of waste gas and waste is one of the problems to be solved at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a refuse treatment and generating set coupling power generation system, with thermal generator set system intercoupling when guaranteeing to rubbish "high efficiency, clean" processing, reduce the refuse treatment system investment, improve rubbish energy utilization, reduce the refuse treatment pollutant and discharge and strengthen traditional thermal generator set viability to bring apparent economic benefits.
To achieve the purpose, the utility model adopts the following technical proposal:
a refuse treatment and generator set coupling power generation system, comprising: the garbage treatment system comprises a garbage incinerator and a dust remover which are communicated with each other; the thermal power generation system comprises a boiler, a first air preheater and a first heat exchanger, wherein the first heat exchanger is arranged in a steering chamber of the boiler and is communicated with the garbage incinerator, a first channel is arranged on the first air preheater, two ends of the first channel of the first air preheater are respectively communicated with the outside and the first heat exchanger, a dust remover is communicated with the boiler, flue gas generated after dust removal of the dust remover enters the boiler for combustion, and air enters the first heat exchanger through the first air preheater and enters the garbage incinerator after being heated by heat generated by combustion in the boiler.
Preferably, the boiler further comprises a heating surface in the boiler, a second heat exchanger is further connected between the garbage incinerator and the dust remover, the second heat exchanger is connected with the heating surface in the boiler, the second heat exchanger and the heating surface in the boiler are further respectively connected with a water supply pipe, water in the water supply pipe respectively enters the second heat exchanger and part of the heating surface in the boiler is heated and then mixed, and the mixture is continuously heated by the rest of the heating surface in the boiler and then is changed into superheated steam.
Preferably, a second air preheater is further connected between the garbage incinerator and the dust remover, the second air preheater is connected with a first channel inlet of the first air preheater, air entering the second air preheater exchanges heat with flue gas of the garbage incinerator, and the air after heat exchange flows into the first channel inlet of the first air preheater.
Preferably, the dust remover is further connected with an activated carbon injection device, and the activated carbon injection device is used for injecting activated carbon into the dust remover so as to adsorb heavy metals in the flue gas in the dust remover.
Preferably, the dust remover is further connected with a fly ash treatment device, and the fly ash treatment device is used for treating fly ash in the dust remover and activated carbon adsorbed with heavy metals.
Preferably, the boiler is further connected with a denitration system.
Preferably, the garbage disposal and generator set coupled power generation system further comprises a flue gas treatment system, wherein the flue gas treatment system comprises a dust removal system, an induced draft fan, a desulfurization system and a chimney which are sequentially communicated, and the dust removal system is communicated with the denitration system.
Preferably, the first air preheater is provided with a second channel capable of exchanging heat with the first channel, and two ends of the second channel are respectively communicated with the denitration system and the dedusting system.
Preferably, the first channel of the first air preheater is connected with a first fan, and the second air preheater is connected with a second fan.
Preferably, the garbage incinerator is further connected with a deslagging system, and the deslagging system is used for discharging residues formed after pyrolysis, gasification and incineration in the garbage incinerator.
Preferably, the garbage incinerator is further connected with a garbage hopper, and the garbage hopper is provided with a garbage truck which is matched with the garbage incinerator for use.
The utility model has the advantages that:
1. through first heat exchanger intercommunication waste incinerator, the air flows into waste incinerator after first air preheater gets into first heat exchanger and carries out combustion-supporting, and the hot-blast waste incinerator that gets into of high temperature is favorable to rubbish high efficiency to be handled, and the hot burning rate of reducing of residue after the processing is lower, and refuse treatment effect is better.
2. The energy utilization efficiency is high after the waste is incinerated, compared with a conventional waste incineration power station, the heat generated by decomposing the waste is directly absorbed by a boiler system, the cycle efficiency is far higher than that of the conventional waste incineration power station, the discharge amount of waste pollutants is less, the environment is more environment-friendly, and the discharge level of the boiler pollutants of the power station can be reached and is far lower than that of the conventional waste incineration power station; after the high-temperature treatment of the waste incineration flue gas by the boiler, pollutants such as dioxin in the waste incineration flue gas can be thoroughly destroyed, and the pollutant emission concentration is lower.
3. The garbage disposal system is coupled with the thermal power generation system without rebuilding a steam turbine generator unit, a power supply and distribution system and a part of flue gas purification system, and the system investment cost is greatly reduced.
Drawings
Fig. 1 is a schematic structural diagram of a garbage disposal and generator set coupled power generation system provided by the present invention.
In the figure:
1. a garbage truck; 2. a garbage hopper; 3. a garbage incinerator; 4. a second heat exchanger; 5. a second fan; 6. a second air preheater; 7. an activated carbon injection device; 8. a dust remover; 9. a fly ash treatment device; 10. a boiler; 11. a first heat exchanger; 12. heating surface in the furnace; 13. a denitration system; 14. a first air preheater; 15. a first fan; 16. a dust removal system; 17. an induced draft fan; 18. a desulfurization system; 19. a chimney; 20. a water supply pipe; 21. a deslagging system.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The utility model provides a garbage disposal and generator set coupling power generation system, which comprises a garbage disposal system and a thermal power generation system, wherein the garbage disposal system comprises a garbage incinerator 3 and a dust remover 8, and the garbage incinerator 3 is communicated with the dust remover 8; the thermal power generation system comprises a boiler 10, a first air preheater 14 and a first heat exchanger 11, wherein the first heat exchanger 11 is arranged in a steering chamber of the boiler 10 and is communicated with a garbage incinerator 3, the first air preheater 14 is provided with a first channel, two ends of the first channel of the first air preheater 14 are respectively communicated with the outside and the first heat exchanger 11, a dust remover 8 is communicated with the boiler 10, garbage is incinerated by the garbage incinerator 3 to generate flue gas, the flue gas flows into the dust remover 8 and is dedusted by the dust remover 8, the flue gas dedusted by the dust remover 8 enters the boiler 10 to participate in combustion, the flue gas generated by combustion in the boiler 10 enters the first air preheater 14 and is subjected to heat exchange with air entering the first channel of the first air preheater 14 to heat the air, the air enters the first heat exchanger 11 after being heated by the first air preheater 14, the heat in the boiler 10 is exchanged with the air by the first heat exchanger 11, the air after heat exchange by the first heat exchanger 11 enters the garbage incinerator 3 to be used as combustion-supporting air to participate in the combustion of garbage in the garbage incinerator 3. Further, the boiler 10 may be, but is not limited to, a coal-fired boiler or a gas-fired boiler. Further, the garbage incinerator 3 may be, but is not limited to, a grate incinerator or a rotary kiln incinerator. Further, the dust collector 8 may be, but is not limited to, a bag-type dust collector.
In this embodiment, the garbage incinerator 3 is further connected to a slag removal system 21, and the garbage is pyrolyzed, gasified and incinerated in the garbage incinerator 3 to become residues, and the residues enter the slag removal system 21 to be discharged. Further, waste incinerator 3 is connected with garbage hopper 2, and garbage hopper 2 is equipped with garbage truck 1 that the cooperation was used, and rubbish gets into 2 storages of garbage hopper after 1 transports to the power plant of garbage truck, burns the release heat and produces the high temperature flue gas in the later getting into garbage incinerator 3 through garbage hopper 2.
Optionally, a second heat exchanger 4 is connected between the garbage incinerator 3 and the dust remover 8, the boiler 10 includes an in-furnace heating surface 12, the second heat exchanger 4 is connected with the in-furnace heating surface 12, the second heat exchanger 4 and the in-furnace heating surface 12 are further connected with a water feed pipe 20 respectively, a part of water in the water feed pipe 20 enters the second heat exchanger 4 to be subjected to heat exchange with flue gas generated after the garbage incinerator 3 burns, another part of water enters a part of the in-furnace heating surface 12 to be heated, then the water entering the second heat exchanger 4 is mixed with a part of the water entering the in-furnace heating surface 12, and the mixture is further heated by the remaining in-furnace heating surface 12 to become superheated steam for expansion power generation. Further, the water in the water supply pipe 20 may be derived from condensed water after expansion power generation, or may be derived from tap water.
Optionally, a second air preheater 6 is further connected between the garbage incinerator 3 and the dust remover 8, the second air preheater 6 is connected with a first channel inlet of the first air preheater 14, air entering the second air preheater 6 exchanges heat with flue gas of the garbage incinerator 3, the air after heat exchange by the second air preheater 6 flows into the first channel inlet of the first air preheater 14 to be mixed with air in the first channel inlet of the first air preheater 14, the air temperature entering the first air preheater 14 is increased, and therefore low-temperature corrosion of the first air preheater 14 is reduced. Further, a first fan 15 is connected to the first channel of the first air preheater 14, and a second fan 5 is connected to the second air preheater 6, wherein the first fan 15 may be a primary fan or an overfire fan, and is preferably a primary fan.
Optionally, the dust remover 8 is connected with an activated carbon injection device 7, and the activated carbon injection device 7 is used for injecting activated carbon into the dust remover 8 so as to adsorb heavy metals in the flue gas in the dust remover 8 and prevent the heavy metals in the flue gas from entering the boiler 10 to cause fly ash pollution of the boiler 10. Furthermore, the dust collector 8 is also connected with a fly ash treatment device 9, the fly ash treatment device 9 can treat fly ash in flue gas and activated carbon for adsorbing heavy metals, thereby realizing the treatment of fly ash and changing dangerous waste fly ash into common solid waste.
Optionally, the boiler 10 is further connected with a denitration system 13, and the denitration system 13 is used for removing nitrogen oxides in the combustion flue gas. Further, the garbage disposal and generator set coupled power generation system further comprises a flue gas treatment system, the flue gas treatment system comprises a dust removal system 16, an induced draft fan 17, a desulfurization system 18 and a chimney 19, the dust removal system 16 is connected with the denitration system 13, and the dust removal system 16, the induced draft fan 17, the desulfurization system 18 and the chimney 19 are connected in series, so that dust in the combustion flue gas is removed and sulfur oxides are removed. Further, the first air preheater 14 is provided with a second channel capable of exchanging heat with the first channel, two ends of the second channel are respectively communicated with the denitration system 13 and the dust removal system 16, the combustion flue gas of the boiler 10 flows into the second channel through the denitration system 13, the flue gas flowing through the second channel exchanges heat with air in the first channel, and then flows into the dust removal system 16.
The utility model discloses a concrete working process as follows:
the garbage is transported to a power plant by a garbage truck 1 and then enters a garbage hopper 2 for storage, then enters a garbage incinerator 3 through the garbage hopper 2 for incineration to release heat and generate high-temperature flue gas, residues generated by the garbage incineration of the garbage incinerator 3 are discharged by a deslagging system 21, the temperature of the high-temperature flue gas is gradually reduced under the action of a second heat exchanger 4, then the high-temperature flue gas enters a second air preheater 6, and the temperature of the high-temperature flue gas is reduced again after heat exchange with air and then enters a dust remover 8; under the action of the dust remover 8, fly ash in the flue gas is captured, and in order to prevent heavy metal in the flue gas from entering the boiler 10 to cause pollution of the fly ash in the boiler 10, the activated carbon injection device 7 is used for adsorbing the heavy metal in the flue gas by adding activated carbon into the flue gas; the fly ash collected by the dust collector 8 and the activated carbon absorbed with heavy metals enter a fly ash treatment device 9 together to realize the treatment of the fly ash and change the dangerous waste fly ash into common solid waste; the dedusted flue gas is conveyed into a hearth of a boiler 10, part of water of a water supply pipe 20 enters a second heat exchanger 4 to be subjected to heat exchange heating with the flue gas combusted by a garbage incinerator 3, the other part of water enters a part of the heated surface 12 in the incinerator to be heated, then the water entering the second heat exchanger 4 is mixed with part of the water entering the heated surface 12 in the incinerator to be heated, the mixture is continuously heated by the rest of the heated surface 12 in the incinerator and then is changed into superheated steam for expansion power generation, pollutants such as dioxin and the like in the garbage incineration flue gas are thoroughly decomposed and converted into substances such as carbon dioxide, water and the like under the high-temperature action of the hearth of the boiler 10, and the complete removal of the; the flue gas enters a denitration system 13 after absorbing heat through a heating surface 12 arranged in the boiler 10 to realize removal of nitrogen oxides, then sequentially enters a dust removal system 16 to realize removal of dust, enters a desulfurization system 18 to realize removal of sulfur oxides, and finally is discharged through a chimney 19.
In the process of burning the waste incineration flue gas in the boiler 10, air enters a first channel of the first air preheater 14 through the first fan 15, is heated in the first air preheater 14 and then is conveyed to the first heat exchanger 11 arranged in a steering chamber of the boiler 10, is heated through heat exchange of the first heat exchanger 11 and then is conveyed to the waste incinerator 3 to participate in burning of waste in the waste incinerator 3 as combustion-supporting air. The second air preheater 6 heats the air and then conveys the air to the first channel inlet of the first air preheater 14 to be mixed with the air in the first channel inlet of the first air preheater 14, so that the air temperature entering the first air preheater 14 is increased, and the low-temperature corrosion of the first air preheater 14 is reduced.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A refuse treatment and generator set coupling power generation system, comprising:
the garbage treatment system comprises a garbage incinerator (3) and a dust remover (8) which are communicated with each other;
the thermal power generation system comprises a boiler (10), a first air preheater (14) and a first heat exchanger (11), wherein the first heat exchanger (11) is arranged in a steering chamber of the boiler (10) and communicated with a garbage incinerator (3), the first air preheater (14) is provided with a first channel, two ends of the first channel of the first air preheater (14) are respectively communicated with the outside and the first heat exchanger (11), a dust remover (8) is communicated with the boiler (10), flue gas dedusted by the dust remover (8) enters the boiler (10) for combustion, air enters the first heat exchanger (11) through the first air preheater (14) and enters the garbage incinerator (3) after being heated by heat generated by combustion in the boiler (10).
2. The system for generating power by coupling garbage disposal and power generating set according to claim 1, wherein the boiler (10) further comprises a heating surface (12) in the boiler, a second heat exchanger (4) is further connected between the garbage incinerator (3) and the dust remover (8), the second heat exchanger (4) is connected with the heating surface (12) in the boiler, the second heat exchanger (4) and the heating surface (12) in the boiler are further respectively connected with a water supply pipe (20), and water in the water supply pipe (20) respectively enters the second heat exchanger (4) and part of the heating surface (12) in the boiler, is heated, is mixed, and is continuously heated by the remaining heating surface (12) in the boiler and then becomes superheated steam.
3. The garbage disposal and generator set coupled power generation system of claim 1, wherein a second air preheater (6) is further connected between the garbage incinerator (3) and the dust remover (8), the second air preheater (6) is connected with the first channel inlet of the first air preheater (14), air entering the second air preheater (6) exchanges heat with flue gas of the garbage incinerator (3), and the air after heat exchange flows into the first channel inlet of the first air preheater (14).
4. The refuse treatment and generator set coupled power generation system according to claim 1, wherein the dust collector (8) is further connected with an activated carbon injection device (7), and the activated carbon injection device (7) is used for injecting activated carbon into the dust collector (8) so as to adsorb heavy metals in the flue gas in the dust collector (8).
5. The system for generating power by coupling garbage disposal and power generating set according to claim 4, wherein the dust collector (8) is further connected with a fly ash disposal device (9), and the fly ash disposal device (9) is used for disposing the fly ash in the dust collector (8) and the activated carbon adsorbed with heavy metals.
6. A waste treatment and power generation unit coupled power generation system according to claim 1, wherein the boiler (10) is further connected with a denitration system (13).
7. The garbage disposal and power generation unit coupled power generation system of claim 6, further comprising a flue gas treatment system, wherein the flue gas treatment system comprises a dust removal system (16), an induced draft fan (17), a desulfurization system (18) and a chimney (19) which are sequentially communicated, and the dust removal system (16) is communicated with the denitration system (13).
8. The garbage disposal and power generation unit coupled power generation system according to claim 7, wherein the first air preheater (14) is provided with a second channel capable of exchanging heat with the first channel, and two ends of the second channel are respectively communicated with the denitration system (13) and the dust removal system (16).
9. A waste treatment and power generation unit coupled power generation system according to claim 3, wherein a first fan (15) is connected to the first channel of the first air preheater (14), and a second fan (5) is connected to the second air preheater (6).
10. A refuse treatment and power generation unit coupled power generation system according to any one of claims 1-9, wherein the refuse incinerator (3) is further connected with a deslagging system (21), and the deslagging system (21) is used for discharging residues formed after pyrolysis, gasification and incineration in the refuse incinerator (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021818462.1U CN212362044U (en) | 2020-08-26 | 2020-08-26 | Garbage disposal and generator set coupling power generation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021818462.1U CN212362044U (en) | 2020-08-26 | 2020-08-26 | Garbage disposal and generator set coupling power generation system |
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| Publication Number | Publication Date |
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| CN212362044U true CN212362044U (en) | 2021-01-15 |
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| CN202021818462.1U Active CN212362044U (en) | 2020-08-26 | 2020-08-26 | Garbage disposal and generator set coupling power generation system |
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