CN201842666U - Leachate vacuum gathering unit of waste storage pit - Google Patents
Leachate vacuum gathering unit of waste storage pit Download PDFInfo
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- CN201842666U CN201842666U CN2010206048355U CN201020604835U CN201842666U CN 201842666 U CN201842666 U CN 201842666U CN 2010206048355 U CN2010206048355 U CN 2010206048355U CN 201020604835 U CN201020604835 U CN 201020604835U CN 201842666 U CN201842666 U CN 201842666U
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Abstract
The utility model discloses a leachate vacuum gathering unit of a waste storage pit, which comprises a waste pit body, wherein a vacuum suction pipe is arranged in the bottom of the storage pit body, and the vacuum suction pipe is connected with a leachate seal pot and a vacuum pump. The utility model can be beneficial to extracting the water of waste, enables the consequent waste burning step to be complete, ensures the temperature of waste incineration furnace, is beneficial to the decomposition of Dioxins, reduces the environmental pollution caused by waste incineration and power generation, improves the efficiency of a waste power plant, also can save civil engineering investment, and lowers the waste construction cost of units.
Description
Technical field
The utility model relates to field of environmental engineering, particularly a kind of rubbish storing hole ooze drop liquid vacuum collection device.
Background technology
The processing of rubbish is Process of Urbanization and severe problem that Economic development faced, modern age is because the continuing to increase of quantity of refuse at home, original landfill yard day hastens towards saturation or is saturated, and the development of urban region is difficult to seek new landfill yard, and the handling problem of rubbish seems more and more outstanding.Along with the increase of refuse thermal value, making waste incineration carry out energy recovery becomes possibility.The burning electricity generation of rubbish is the effective means that realizes garbage harmless, resource utilization, minimizing.
Because the strict demand of environment protection and energy utilization, on the basis of modern technologies, it is further perfect that garbage incineration technology has been obtained.As to the carbon content of residue less than 3～5%, cindery processing also will take appropriate measures.Fire box temperature must be controlled between 850～950 ℃ and keep certain furnace height to control the generation of Dioxins, controls the generation that can also limit CO, VOC, NOx by burning, to reach the unification of burning and environment protection.
China has more than 600 city now, and the domestic waste amount of clearing reaches 1.5 hundred million tons, and annual rate of growth with 7～8% increases.Along with rapid development of economy, the raising of the level of urbanization is in the very difficult place of seeking suitable garbage loading embeading of surrounding city.China has built up more than 70 of refuse-burning plant at present, and the increase of coastland garbage power project is very rapid, and prefecture-level city generally need build a refuse-burning plant, and provincial capital can build 2～3, and garbage power has bigger development space.
According to statistics, China's domestic waste water content is about 40%～60%.Because of the rubbish water content is one of principal element that influences refuse thermal value, so garbage incinerating power plant utilizes rubbish storing hole to reduce refuse moisture, garbage leachate mainly results from herein, be rubbish after fermentation is rotted in the storage hole, and the rubbish inherent moisture discharges and causes.By the experience of domestic garbage burning factory, the garbage leachate generation is generally about 15% of garbage treatment quantity.Garbage leachate has higher stickiness, and bottom, rubbish storing hole needs to be provided with reliable Leachate Collecting System, and the anti-clogging plug measure is adopted in the import of Leachate Collecting System, and this problem is not well solved as yet at present.For garbage incinerating power plant, how rubbish storing hole row oozes drop liquid effect, will be an important indicator weighing the success or failure of waste incineration and generating electricity Project design.
The moisture height of rubbish makes rubbish be difficult to after-flame, and fire box temperature is restive at 850～950 ℃, is unfavorable for the decomposition of Dioxins, and the high-moisture of rubbish also will absorb the heat that more waste incinerations produce simultaneously, strengthens flue gas loss, reduces energy utilization rate.China has the part refuse-burning plant, because percolate is separated out not freely, causes incineration firing undesirable, need spray into a large amount of auxiliary fuels simultaneously.Therefore, before rubbish enters incinerator and burns, the after-flame that the separating out of rubbish moisture content will help rubbish, the decomposition of Dioxins, improve Energy efficiency.
Conventional design is the bottom opening dress stainless steel diagrid in rubbish storing hole, and garbage leachate flows to the leachate collecting ditch thus, flow to the leachate collecting pond through collecting ditch again, outwards is delivered to and oozes drop liquid treatment station by oozing the drop liquid pump at last.This scheme need be provided with the inspection gallery of a 3x6 rice and one in the front side in rubbish storing hole and highly be lower than the leachate collecting pond at the end, rubbish storing hole, construction investment is about about 1,000,000, so both strengthened the total cost of garbage incinerating power plant, also increased simultaneously and oozed drop liquid stink source of pollution, and owing to ooze drop liquid and contain a large amount of flammable and explosive substances and volatilize in leachate collecting pond superjacent air space, so potential safety hazard is bigger.Often occur in the actual motion because steel diagrid and leachate collecting ditch are blocked, oozing drop liquid and can not discharge smoothly in the rubbish storing hole influences full factory and normally moves, and causes financial loss.
Summary of the invention
For addressing the above problem, the purpose of this utility model provides a kind of rubbish storing hole and oozes drop liquid vacuum collection device, and it can make and ooze drop liquid and discharge smoothly, and is safe, and construction investment is less.
The purpose of this utility model is achieved in that a kind of rubbish storing hole oozes drop liquid vacuum collection device, comprise the storage pit body, it is characterized in that: described storage pit body is provided with the vacuum dehydration pipe in the bottom, the vacuum dehydration pipe with ooze drop liquid sealing jar, vacuum pumping pump is connected.
Described vacuum dehydration pipe is located at oozing in the drop liquid curb of storage pit body bottom.
Be stamped flase floor on the described groove face that oozes drop liquid curb.
Evenly have the suction hole on the tube wall of described vacuum dehydration pipe.
Vacuum dehydration pipe top in the described storage pit body bottom is equipped with the pebbles layer.
The outlet conduit of described vacuum pumping pump is connected with back-purge system.
Described back-purge system comprises at least with next road sealing pipeline: one road sealed tube takes back the vacuum dehydration pipe, and one road sealed tube inserts and oozes drop liquid curb.
Described ooze drop liquid sealing jar be arranged at body bottom, rubbish storing hole absolute altitude above the position.
The utility model can be beneficial to refuse moisture and be extracted out, make the follow-up incineration firing step can be fully thorough, guarantee the waste incineration fire box temperature, help the decomposition of Dioxins, reduce the pollution of waste incineration and generating electricity to environment, and improve refuse-burning plant efficient, and can save construction investment again, reduce unit rubbish construction cost.
Description of drawings
Fig. 1 is a user mode synoptic diagram of the present utility model.
Embodiment
As shown in Figure 1, the utility model is that drop liquid vacuum collection device is oozed in a kind of rubbish storing hole, comprises storage pit body 1, leachate collecting chamber 2 etc.
What be provided with connection in the leachate collecting chamber 2 oozes drop liquid sealing jar 5 and vacuum pumping pump 4.Leachate collecting chamber 2 can be arranged at the position of storage pit body 1 bottom absolute altitude above (exceeding 3～5 meters in the present embodiment approximately), to reduce civil engineering difficulty and investment, oozes drop liquid sealing jar 5 this moment and is arranged at the above position of storage pit body 1 bottom absolute altitude equally.Ooze drop liquid sealing jar 5 and also be connected with and ooze drop liquid pump 3, will ooze drop liquid and deliver to and ooze drop liquid treatment station (shown in Fig. 1 arrow c) by oozing drop liquid pump 3.
The storage pit body is provided with vacuum dehydration pipe 7 in 1 bottom.Vacuum dehydration pipe 7 with ooze drop liquid sealing jar 5, vacuum pumping pump 4 is connected.Preferably, vacuum dehydration pipe 7 is located at oozing in the drop liquid curb 8 of storage pit body 1 bottom.Ooze on the groove face of drop liquid curb 8 and be stamped the steel grating plate, damage vacuum dehydration pipe 7 when avoiding the garbage grab bucket operation.Re-lay the thick pebbles layer 6 of the about 300mm of one deck on the flase floor of vacuum dehydration pipe 7 tops, avoid the compacting of bottom rubbish to harden, influence oozing out of garbage leachate.Preferably, evenly have the suction hole on the tube wall of vacuum dehydration pipe 7, bore size can guarantee to form water absorption tube vacuum necessary degree suction again and get final product as long as guarantee that current are unimpeded.Perhaps, vacuum dehydration pipe 7 is provided with the multi-way suction mouth of pipe, also can realize above purpose.
Preferably, the outlet conduit of vacuum pumping pump 4 is connected with back-purge system, this back-purge system comprises at least with next road sealing pipeline: one road sealed tube takes back vacuum dehydration pipe 7, can use when routine maintenance, makes pressurized air recoil vacuum dehydration pipe 7 prevent its obstruction (shown in Fig. 1 arrow a); Another road sealed tube then inserts and oozes drop liquid curb 8, pressurized air is stirred ooze to ooze drop liquid in the drop liquid curb 8, is convenient to ooze drop liquid and enters vacuum dehydration pipe 7 (not illustrating in the drawings) smoothly.If when vacuum pumping pump 4 is not discharged pressurized air by back-purge system, also can directly be discharged in the storage pit body 1 (shown in Fig. 1 arrow b) by outlet conduit.
Principle of work:
Oozing drop liquid sealing jar 5 is connected with vacuum pumping pump 4, the work of vacuum pumping pump 4 makes to ooze in the drop liquid sealing jar 5 and forms negative pressure, thereby cause and ooze the vacuum dehydration pipe 7 that drop liquid sealing jar 5 links to each other and also form negative pressure, ooze the suction hole of garbage leachate by vacuum dehydration pipe 7 in the drop liquid curb 8 and suck and ooze in the drop liquid sealing jar 5, the drop liquid that oozes that oozes in the drop liquid sealing jar 5 is delivered to and is oozed drop liquid treatment station by oozing 3 pressurizations of drop liquid pump.Simultaneously, the pressurized air of vacuum pumping pump 4 outlets oozes drop liquid curb 8 at the bottom of sealing-duct is sent the pond back to, pressurized air plays to stir and oozes drop liquid in the pond bottom tube ditch 8 it can be sucked away smoothly, can play loosening pebbles layer 6 simultaneously, helps oozing drop liquid and oozes out smoothly from rubbish.So circulation makes that the garbage leachate in the rubbish storing hole 1 can timely smooth and easy discharge.Whole leachate collecting matching requirements good seal performance is a Leachate Collecting System, simultaneously also is to avoid that rubbish hardens, the back-purge system of line clogging.
After cram packer was poured onto rubbish in the storage pit body 1, rubbish oozed to deliver to after drop liquid is collected by this cover leachate collecting device and oozes drop liquid treatment station through stacking, fermenting and separate out and ooze drop liquid, and rubbish then is sent to incinerator and carries out burning disposal.
Claims (8)
1. drop liquid vacuum collection device is oozed in rubbish storing hole, comprises the storage pit body, it is characterized in that: described storage pit body is provided with the vacuum dehydration pipe in the bottom, the vacuum dehydration pipe with ooze drop liquid sealing jar, vacuum pumping pump is connected.
2. drop liquid vacuum collection device is oozed in rubbish storing according to claim 1 hole, it is characterized in that: evenly have the suction hole on the tube wall of described vacuum dehydration pipe.
3. drop liquid vacuum collection device is oozed in rubbish storing according to claim 1 and 2 hole, and it is characterized in that: described vacuum dehydration pipe is located at oozing in the drop liquid curb of storage pit body bottom.
4. drop liquid vacuum collection device is oozed in rubbish storing according to claim 1 and 2 hole, it is characterized in that: be stamped flase floor on the described groove face that oozes drop liquid curb.
5. drop liquid vacuum collection device is oozed in rubbish storing according to claim 1 and 2 hole, it is characterized in that: the vacuum dehydration pipe top in the described storage pit body bottom is equipped with the pebbles layer.
6. drop liquid vacuum collection device is oozed in rubbish storing according to claim 1 and 2 hole, and it is characterized in that: the outlet conduit of described vacuum pumping pump is connected with back-purge system.
7. drop liquid vacuum collection device is oozed in rubbish storing according to claim 6 hole, and it is characterized in that: described back-purge system comprises at least with next road sealing pipeline: one road sealed tube takes back the vacuum dehydration pipe; One road sealed tube inserts and oozes drop liquid curb.
8. drop liquid vacuum collection device is oozed in rubbish storing according to claim 1 hole, it is characterized in that: described ooze drop liquid sealing jar be arranged at body bottom, rubbish storing hole absolute altitude above the position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206048355U CN201842666U (en) | 2010-11-11 | 2010-11-11 | Leachate vacuum gathering unit of waste storage pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206048355U CN201842666U (en) | 2010-11-11 | 2010-11-11 | Leachate vacuum gathering unit of waste storage pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201842666U true CN201842666U (en) | 2011-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206048355U Expired - Lifetime CN201842666U (en) | 2010-11-11 | 2010-11-11 | Leachate vacuum gathering unit of waste storage pit |
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| CN (1) | CN201842666U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104221788A (en) * | 2014-09-20 | 2014-12-24 | 江汇 | Vacuum tree-pit water absorption device |
| CN104405026A (en) * | 2014-03-07 | 2015-03-11 | 绿色动力环保集团股份有限公司 | Guiding and draining device for leachate in incineration plant rubbish pool |
| CN106382632A (en) * | 2016-11-18 | 2017-02-08 | 漳州环境再生能源有限公司 | Garbage pool structure based on thin film covering technology |
| CN109051428A (en) * | 2018-08-09 | 2018-12-21 | 烟台润达垃圾处理运营有限公司 | A kind of waste incineration vertical drainage garbage storing hole and storage device |
| CN110552413A (en) * | 2019-08-26 | 2019-12-10 | 北京高能时代环境技术股份有限公司 | fully-closed system for collecting and conveying leachate of garbage pit of garbage incineration power plant |
| CN111777234A (en) * | 2020-08-07 | 2020-10-16 | 山东海沃嘉美环境工程有限公司 | But landfill leachate deodorization system of solid-liquid separation |
| CN115971218A (en) * | 2022-11-25 | 2023-04-18 | 北京朝阳环境集团有限公司 | Garbage bin regulation and control system and regulation and control method |
-
2010
- 2010-11-11 CN CN2010206048355U patent/CN201842666U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405026A (en) * | 2014-03-07 | 2015-03-11 | 绿色动力环保集团股份有限公司 | Guiding and draining device for leachate in incineration plant rubbish pool |
| CN104221788A (en) * | 2014-09-20 | 2014-12-24 | 江汇 | Vacuum tree-pit water absorption device |
| CN106382632A (en) * | 2016-11-18 | 2017-02-08 | 漳州环境再生能源有限公司 | Garbage pool structure based on thin film covering technology |
| CN109051428A (en) * | 2018-08-09 | 2018-12-21 | 烟台润达垃圾处理运营有限公司 | A kind of waste incineration vertical drainage garbage storing hole and storage device |
| CN110552413A (en) * | 2019-08-26 | 2019-12-10 | 北京高能时代环境技术股份有限公司 | fully-closed system for collecting and conveying leachate of garbage pit of garbage incineration power plant |
| CN111777234A (en) * | 2020-08-07 | 2020-10-16 | 山东海沃嘉美环境工程有限公司 | But landfill leachate deodorization system of solid-liquid separation |
| CN115971218A (en) * | 2022-11-25 | 2023-04-18 | 北京朝阳环境集团有限公司 | Garbage bin regulation and control system and regulation and control method |
| CN115971218B (en) * | 2022-11-25 | 2023-07-07 | 北京朝阳环境集团有限公司 | Garbage bin regulation and control system and regulation and control method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |