CN104501170A - Method and system of increasing temperature of garbage piles in leachate sewer of garbage power plant in winter - Google Patents
Method and system of increasing temperature of garbage piles in leachate sewer of garbage power plant in winter Download PDFInfo
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- CN104501170A CN104501170A CN201410690074.2A CN201410690074A CN104501170A CN 104501170 A CN104501170 A CN 104501170A CN 201410690074 A CN201410690074 A CN 201410690074A CN 104501170 A CN104501170 A CN 104501170A
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- Prior art keywords
- leachate
- leachate site
- garbage pool
- winter
- garbage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a method and a system of increasing temperature of garbage piles in a leachate sewer of a garbage power plant in winter and belongs to the field of household garbage incineration power generation. The method includes collecting leachate in the leachate sewer; heating the leachate collected; spraying the heated leachate to the garbage piles in the leachate sewer. The system comprises a leachate collecting pond connected with the leachate sewer, cold leachate conveying pumps, a heat pump heating device, hot leachate conveying pumps and a leachate spraying-back device. According to the arrangement, the heat pump technology is adopted to use low-temperature heat energy of circulating water of a condenser of a power generation plant, and accordingly the leachate is heated and prayed back to the garbage piles in the leachate sewer; in this way, increased is the temperature of the garbage piles in the leachate sewer of the garbage power plant in northeast cold areas in winter, and fermentation and leaching of the household garbage in the sewer are facilitated, thus heat value of the garbage incinerated in the furnace is increased, additive amount of auxiliary fuel is reduced and stable and continuous running of the garbage power plant is facilitated.
Description
Technical field
The present invention relates to waste incineration and generating electricity technical field, particularly relate to a kind of method and system improving refuse-burning plant garbage pool in winter stockpile temperature.
Background technology
At present, MSW Incineration Plant is equipped with the garbage pool of storage rubbish, its original intention arranged is the deficiency of the amount of burning away the refuse within the short time and incinerator is stopped transport, cause increase to be opened, blowing out number of times, thus flue gas pollutant problem more rambunctious during there is this, usually measure according to the rubbish affluence of 2 ~ 3 days the dischargeable capacity determining garbage pool.The house refuse of China generally has the characteristic of " moisture is high, calorific value is low ", in order to ensure that rubbish can Thorough combustion in incinerator, need to stack fermentation a period of time in garbage pool, drop goes out portion of water, to burn away the refuse calorific value into stove to improve, therefore in common engineering design, garbage pool dischargeable capacity is determined according to the specified quantity of refuse of 5 ~ 7 days.In the stacking fermentation time of normal design, the quality of ferment effect depends primarily on rubbish temperature, and temperature is applicable to, and ferment effect is good, draining effect, and the refuse thermal value entering stove burning is relatively just high, contributes to realizing the steady and continuous operation of full factory.Usually in summer and autumn in spring, in rubbish and storehouse, temperature can meet fermentation, draining requirement, but in the winter time, particularly Northeast Cold Area, it is low that rubbish enters factory's temperature, is even wherein mingled with block, cause heap temperature in garbage pool lower, fermentation, draining weak effect, greatly reduce the calorific value into stove rubbish, this by have a strong impact on system stable, run continuously.
Summary of the invention
Based on the problem existing for above-mentioned prior art, the invention provides a kind of method and system improving refuse-burning plant garbage pool in winter stockpile temperature, effectively can improve garbage pool stockpile temperature in winter, avoid garbage pool stockpile temperature low on system stable, run the impact caused continuously.
For solving the problems of the technologies described above, the embodiment of the present invention provides a kind of method improving refuse-burning plant garbage pool in winter stockpile temperature, comprising:
Collect out the Leachate site in garbage pool;
The described Leachate site collected out is heated;
Described Leachate site after heating is sprayed back the rubbish stockpile in described garbage pool.
The embodiment of the present invention also provides a kind of system realizing raising refuse-burning plant garbage pool in the winter stockpile temperature of the inventive method, comprising:
Leachate collecting pond, is connected with garbage pool;
Heat pump heating device, be provided with Leachate site entrance and Leachate site outlet, described Leachate site entrance is connected with described leachate collecting pond through Leachate site cold liquid delivery pump;
Leachate site returns spray apparatus, and to be exported with the Leachate site of described heat pump heating device by Leachate site hydrothermal solution delivery pump and be connected, this Leachate site returns spray apparatus and is provided with the Leachate site spray assembly be connected in described garbage pool.
Beneficial effect of the present invention is: by the mode of spraying back again in garbage pool on rubbish stockpile through heating after the Leachate site of collection garbage pool, for garbage pool stockpile heats up, effectively can improve garbage pool stockpile temperature in winter, avoid garbage pool stockpile temperature low on system stable, run the impact caused continuously.The method technique is simple, easy to operate, can solve the problem that the low influential system of north of china in winter refuse-burning plant garbage pool stockpile temperature runs very well.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
The method flow diagram of raising refuse-burning plant garbage pool in the winter stockpile temperature that Fig. 1 provides for the embodiment of the present invention;
The system schematic of raising refuse-burning plant garbage pool in the winter stockpile temperature that Fig. 2 provides for the embodiment of the present invention;
The parts that in figure, each label is corresponding are: 1-garbage pool, and A-enters the rubbish of garbage pool, 2-leachate collecting pond, the cold liquid delivery pump of 3-Leachate site, 4-heat pump heating device, 41-heat recirculated water entrance, 42-cool circulation water exports, 5-Leachate site pans, 6-Leachate site hydrothermal solution delivery pump, 7-Leachate site returns spray apparatus, 71-Leachate site spray assembly, 72-compressed air inlet, 8-temperature sensor.
Detailed description of the invention
Be clearly and completely described the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection scope of the present invention.
Figure 1 shows that a kind of method improving refuse-burning plant garbage pool in winter stockpile temperature that the embodiment of the present invention provides, effectively can improve the temperature of refuse-burning plant garbage pool in winter stockpile, the method comprises the following steps:
Collect out the Leachate site in garbage pool;
The Leachate site collected out is heated;
Leachate site after heating is sprayed back the rubbish stockpile in garbage pool.
In said method, the Leachate site collected out in garbage pool is: collect the Leachate site from outflow in garbage pool, and the Leachate site gravity flow that can arrange inclination at the bottom of garbage pool is domatic, so that Leachate site is from flowing out, convenient nothing power consumption is collected.
In said method, the Leachate site collected out is heated to be: utilize the waste heat of condenser of power plant recirculated water to heat Leachate site, achieves the effective utilization to waste heat.Concrete adopted heat pump heating device utilizes the waste-heat Leachate site of condenser of power plant recirculated water.
Said method also comprises: obtain the temperature of Leachate site of collecting out, and sprays back to the heating of Leachate site and to the Leachate site after heating the step that the rubbish stockpile in garbage pool controls according to the Leachate site temperature obtained.According to the temperature of collecting Leachate site, the follow-up heating to Leachate site, sprinkling can be controlled, as realized by controlling Leachate site conveying capacity by this step.
Said method, by the mode of spraying back again in garbage pool on rubbish stockpile through heating after the Leachate site of collection garbage pool, heat up with the more simple and easy to get garbage pool stockpile that is operating as, take full advantage of existing resource, effectively can improve garbage pool stockpile temperature in winter, avoid garbage pool stockpile temperature low on system stable, run the impact caused continuously.Well solve MSW Incineration Plant in the winter time particularly Northeast Cold Area winter due to temperature low, heap body ferment effect is poor in garbage pool, reduces draining effect, and then affects the problem that incinerator stablizes, runs continuously.
The embodiment of the present invention also provides a kind of system realizing raising refuse-burning plant garbage pool in the winter stockpile temperature of said method, and this system architecture as shown in Figure 2, comprising:
Leachate collecting pond, is connected with garbage pool, collects the Leachate site of temporary rubbish;
Heat pump heating device, be provided with Leachate site entrance and Leachate site outlet, Leachate site entrance is connected with leachate collecting pond through the cold liquid delivery pump of Leachate site;
Leachate site returns spray apparatus, and to be exported with the Leachate site of heat pump heating device by Leachate site hydrothermal solution delivery pump and be connected, this Leachate site returns spray apparatus and is provided with the Leachate site spray assembly be connected in garbage pool.
In said system, heat pump heating device is also provided with heat recirculated water entrance and cool circulation water outlet, and heat recirculated water entrance connects condenser of power plant recirculated water feed water inlet, and cool circulation water outlet connects power plant's cool cycles pond.This heat pump heating device, adopt condenser of power plant condensation cycle water to be out thermal source, through thermodynamic cycle, realize the heating to Leachate site, the condensation cycle water after heat release enters the cool cycles pond in power plant; The condensation cycle water yield entering heat pump assembly regulates according to the parameter such as temperature, Leachate site cold liquid delivery pump flow, Leachate site heating-up temperature of Leachate site in circulating water temperature, Leachate site pond at that time.
In said system, be domatic to the Leachate site gravity flow connecting leachate collecting pond lopsidedness at the bottom of the pond of garbage pool, the Leachate site domatic gradient of flowing automatically is not less than 2%, the garbage pool of this structure, facilitate Leachate site certainly to flow out by Action of Gravity Field from garbage pool, save the energy consumption that Leachate site is collected in leachate collecting pond.The mode that also pump can be adopted to suck is collected, but can increase energy consumption and equipment investment, and increases follow-up maintenance workload.
In said system, leachate collecting pond is arranged on below garbage pool, preferably, leachate collecting pond can be arranged on the below of garbage pool discharging platform side, be convenient to Leachate site gravity flow and enter leachate collecting pond, the import department in leachate collecting pond can arrange preventing clogging up device, can avoid the import blocking leachate collecting pond.
Said system also comprises: be located at the temperature sensor in leachate collecting pond, be electrically connected with heat pump heating device, to make heat pump heating device according to the temperature signal of temperature sensor, control the heating to Leachate site, as regulated according to temperature signal in leachate collecting pond the condensation cycle water yield entering heat pump heating device, and then realize the control to Leachate site heating.
In said system, Leachate site pans can be set between heat pump heating device and Leachate site hydrothermal solution delivery pump, by the Leachate site after the heating of Leachate site pans buffer memory, facilitate pipage control.
In said system, the Leachate site spray assembly that Leachate site returns spray apparatus is made up of interconnective some pipelines of even cloth above the rubbish stockpile of garbage pool and some nozzles of even cloth on each pipeline.Concrete, Leachate site spray assembly specifically can comprise Leachate site pressurized delivered pipeline and be arranged in garbage pool surrounding independently spray piping separately, each Leachate site spray piping is arranged several and sprays to nozzle in garbage pool; In order to prevent pipeline and spray nozzle clogging, Leachate site spray assembly is provided with the compressed air inlet connecting extraneous air compressor, can arrange this compressed air inlet, conveniently access compressed air in Leachate site spray assembly front end, to purge cleaning blocking.
In said system, Leachate site cold liquid delivery pump is two cold liquid delivery pumps of active-standby formula Leachate site being connected in parallel formation; Two cold liquid delivery pumps of Leachate site all can be arranged in leachate collecting pond, are responsible for that Leachate site in collecting pit is delivered to heat pump assembly and heat.
Leachate site hydrothermal solution delivery pump is two active-standby formula Leachate site hydrothermal solution delivery pumps being connected in parallel formation, and this Leachate site hydrothermal solution delivery pump is responsible for carrying out pressurized delivered to the hot Leachate site in Leachate site pans and is entered Leachate site and return spray apparatus.
The system of the embodiment of the present invention, adopt heat pump techniques, the waste heat utilizing condenser to export condensation cycle water realizes the heating to garbage leachate, Leachate site after heating returns spirt and enters in garbage pool, can improve winter, the temperature of stockpile in the generating electricity in winter factory garbage pool of particularly Northeast Cold Area, contribute to the fermentation of house refuse in pond, draining effect, thus improve the calorific value of burning away the refuse into stove, reduce the addition of auxiliary fuel, contribute to power plant stable, run continuously.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. improve a method for refuse-burning plant garbage pool in winter stockpile temperature, it is characterized in that, comprising:
Collect out the Leachate site in garbage pool;
The described Leachate site collected out is heated;
Described Leachate site after heating is sprayed back the rubbish stockpile in described garbage pool.
2. the method for raising refuse-burning plant garbage pool in winter stockpile temperature according to claim 1, it is characterized in that, the described Leachate site collected out in garbage pool is: collect in garbage pool from the Leachate site flowed out.
3. the method for raising refuse-burning plant garbage pool in winter stockpile temperature according to claim 1, it is characterized in that, the described described Leachate site to collecting out is heated to be: utilize the waste heat of condenser of power plant recirculated water to heat described Leachate site.
4. the method for raising refuse-burning plant garbage pool in the winter stockpile temperature according to any one of claims 1 to 3, is characterized in that, also comprise:
Obtain the temperature of the described Leachate site collected out, and control according to the heating of Leachate site temperature to described Leachate site obtained.
5. improving a system for refuse-burning plant garbage pool in winter stockpile temperature, it is characterized in that, for realizing the method described in any one of Claims 1-4, comprising:
Leachate collecting pond, is connected with garbage pool;
Heat pump heating device, be provided with Leachate site entrance and Leachate site outlet, described Leachate site entrance is connected with described leachate collecting pond through Leachate site cold liquid delivery pump;
Leachate site returns spray apparatus, and to be exported with the Leachate site of described heat pump heating device by Leachate site hydrothermal solution delivery pump and be connected, this Leachate site returns spray apparatus and is provided with the Leachate site spray assembly be connected in described garbage pool.
6. the system of raising refuse-burning plant garbage pool in winter stockpile temperature according to claim 5, it is characterized in that, described heat pump heating device is also provided with heat recirculated water entrance and cool circulation water outlet, described heat recirculated water entrance connects condenser of power plant recirculated water feed water inlet, and described cool circulation water outlet connects power plant's cool cycles pond.
7. the system of raising refuse-burning plant garbage pool in winter stockpile temperature according to claim 6, is characterized in that, is domatic to the Leachate site gravity flow connecting described leachate collecting pond lopsidedness at the bottom of the pond of described garbage pool; The described Leachate site domatic gradient of flowing automatically is not less than 2%.
8. the system of raising refuse-burning plant garbage pool in the winter stockpile temperature according to claim 5 or 7, it is characterized in that, described leachate collecting pond is arranged on below described garbage pool.
9. the system of raising refuse-burning plant garbage pool in the winter stockpile temperature according to any one of claim 5 to 7, it is characterized in that, also comprise: be located at the temperature sensor in described leachate collecting pond, be electrically connected with described heat pump heating device, to make described heat pump heating device according to the temperature signal of described temperature sensor, control the heating to described Leachate site.
10. the system of raising refuse-burning plant garbage pool in the winter stockpile temperature according to any one of claim 5 to 7, is characterized in that, the Leachate site spray assembly that described Leachate site returns spray apparatus is provided with the compressed air inlet connecting extraneous air compressor;
The Leachate site spray assembly that described Leachate site returns spray apparatus is made up of interconnective some pipelines of even cloth above the rubbish stockpile of described garbage pool and some nozzles of even cloth on each pipeline;
Described Leachate site cold liquid delivery pump is two cold liquid delivery pumps of active-standby formula Leachate site being connected in parallel formation;
Described Leachate site hydrothermal solution delivery pump is two active-standby formula Leachate site hydrothermal solution delivery pumps being connected in parallel formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410690074.2A CN104501170A (en) | 2014-11-25 | 2014-11-25 | Method and system of increasing temperature of garbage piles in leachate sewer of garbage power plant in winter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410690074.2A CN104501170A (en) | 2014-11-25 | 2014-11-25 | Method and system of increasing temperature of garbage piles in leachate sewer of garbage power plant in winter |
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| CN104501170A true CN104501170A (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410690074.2A Pending CN104501170A (en) | 2014-11-25 | 2014-11-25 | Method and system of increasing temperature of garbage piles in leachate sewer of garbage power plant in winter |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439829A (en) * | 2016-11-11 | 2017-02-22 | 中冶焦耐(大连)工程技术有限公司 | A system and method for thawing waste in winter in a domestic waste incineration power plant |
| CN106907719A (en) * | 2017-02-28 | 2017-06-30 | 重庆三峰环境产业集团有限公司 | A kind of utilization garbage burning factory used heat improves the method and system of refuse thermal value |
| CN107860246A (en) * | 2017-12-07 | 2018-03-30 | 中国恩菲工程技术有限公司 | Leachate site circulating heater |
| CN109111247A (en) * | 2018-07-25 | 2019-01-01 | 深圳全钰环保科技有限公司 | Garbage treating process |
| CN111167834A (en) * | 2020-01-10 | 2020-05-19 | 吕爱军 | System and method for heating garbage entering factory in garbage power plant |
| CN112443846A (en) * | 2020-11-24 | 2021-03-05 | 上海建安化工设计有限公司 | Garbage storage warehouse |
| CN112662549A (en) * | 2021-01-19 | 2021-04-16 | 济宁职业技术学院 | Accurate control system of garbage bin pre-fermentation temperature |
| WO2022032495A1 (en) * | 2020-08-11 | 2022-02-17 | 深圳市能源环保有限公司 | Heating device for garbage pool of garbage incineration power plant |
| CN114353088A (en) * | 2021-12-17 | 2022-04-15 | 重庆钢铁集团设计院有限公司 | A method and system for improving the calorific value of domestic waste by utilizing the waste heat of flue gas |
| CN115477443A (en) * | 2022-09-13 | 2022-12-16 | 四川省科源工程技术测试中心 | Landfill leachate recharge system |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439829B (en) * | 2016-11-11 | 2019-08-27 | 中冶焦耐(大连)工程技术有限公司 | A system and method for thawing waste in winter in a domestic waste incineration power plant |
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| CN106907719A (en) * | 2017-02-28 | 2017-06-30 | 重庆三峰环境产业集团有限公司 | A kind of utilization garbage burning factory used heat improves the method and system of refuse thermal value |
| CN106907719B (en) * | 2017-02-28 | 2019-06-04 | 重庆三峰环境产业集团有限公司 | A kind of method and system improving refuse thermal value using garbage burning factory waste heat |
| CN107860246B (en) * | 2017-12-07 | 2024-01-12 | 中国恩菲工程技术有限公司 | Leachate circulation heating device |
| CN107860246A (en) * | 2017-12-07 | 2018-03-30 | 中国恩菲工程技术有限公司 | Leachate site circulating heater |
| CN109111247A (en) * | 2018-07-25 | 2019-01-01 | 深圳全钰环保科技有限公司 | Garbage treating process |
| CN111167834A (en) * | 2020-01-10 | 2020-05-19 | 吕爱军 | System and method for heating garbage entering factory in garbage power plant |
| WO2022032495A1 (en) * | 2020-08-11 | 2022-02-17 | 深圳市能源环保有限公司 | Heating device for garbage pool of garbage incineration power plant |
| CN112443846A (en) * | 2020-11-24 | 2021-03-05 | 上海建安化工设计有限公司 | Garbage storage warehouse |
| CN112662549A (en) * | 2021-01-19 | 2021-04-16 | 济宁职业技术学院 | Accurate control system of garbage bin pre-fermentation temperature |
| CN112662549B (en) * | 2021-01-19 | 2022-12-16 | 深圳市艾瑞德控制技术有限公司 | Accurate control system of garbage bin pre-fermentation temperature |
| CN114353088A (en) * | 2021-12-17 | 2022-04-15 | 重庆钢铁集团设计院有限公司 | A method and system for improving the calorific value of domestic waste by utilizing the waste heat of flue gas |
| CN115477443A (en) * | 2022-09-13 | 2022-12-16 | 四川省科源工程技术测试中心 | Landfill leachate recharge system |
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Application publication date: 20150408 |