CN201183989Y - System for collecting and lifting rubbish leachate of rubbish burning power plant - Google Patents
System for collecting and lifting rubbish leachate of rubbish burning power plant Download PDFInfo
- Publication number
- CN201183989Y CN201183989Y CNU2008200981498U CN200820098149U CN201183989Y CN 201183989 Y CN201183989 Y CN 201183989Y CN U2008200981498 U CNU2008200981498 U CN U2008200981498U CN 200820098149 U CN200820098149 U CN 200820098149U CN 201183989 Y CN201183989 Y CN 201183989Y
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- China
- Prior art keywords
- garbage
- lift pump
- leachate
- infiltration liquid
- power plant
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a garbage infiltration liquid collection and lift system for a garbage incineration power plant which comprises an infiltration liquid collection pool which can be induced with infiltration liquid formed by the dehydration of garbage from a garbage storage pit. An infiltration liquid pump room which is isolated from the infiltration liquid collection pool and is used for placing a lift pump is arranged beside the infiltration liquid collection pool, an intake head of the lift pump extends into the infiltration liquid collection pool, a dredging grab and an air exhaust device are arranged above the infiltration liquid collection pool, a pipeline of the lift pump is internally provided with a backflushing mechanism which prevents the intake head from being blocked. The garbage infiltration liquid collection and lift system for the garbage incineration power plant is convenient for dredging and air exhaust, and can exhaust poisonous and harmful gases as soon as possible, thereby avoiding an explosion risk; the lift pump has the advantages of corrosion prevention, blockage prevention and reliable work, and the collection and the lift of the garbage infiltration liquid are not big and difficult problems which trouble garbage incineration power generation further, thereby avoiding that the garbage is soaked by water to influence the incineration effect.
Description
Technical field
The utility model relates to collection, the Hoisting System of oozing drop liquid in a kind of waste incineration power plant refuse pit, belongs to the garbage power technical field.
Background technology
Along with rapid development of economy, household garbage adopts the health burning method to have the characteristics of " minimizing, innoxious, resource ", has obtained general approval, and the burning city domestic garbage power plant is built one after another in China.Because the characteristics that Chinese city household garbage ubiquity moisture content is higher, cinder content is high, so in garbage incinerating power plant, for improving refuse thermal value (dehydration back calorific value can improve about 10%), rubbish must dewater through 3～5 days storage period, just be delivered to incinerator by grab bucket and burn, native land man standard requirement rubbish must be stored 3～5 days ability and burn.Simultaneously bigger rubbish storing amount helps the garbage incinerating power plant inspection travel.At present both at home and abroad common way is to establish refuse pit and realize storage to rubbish so not only can reducing floor space underground digging, and is convenient to transport toppling over of the rubbish that comes simultaneously, the refuse pit degree of depth usually below+0.00 terrace-8～15m.
Below+0.00 terrace-dell of 8～15m in, the oozing drop, ooze in discharging, collection and the lifting process of drop liquid of moisture behind the rubbish storing, collection, lifting, the discharging work of oozing drop liquid is an extremely important link of carrying out of also being very difficult to.If important is to promote, emit owing to will ooze drop liquid untimelyly, the cumulative drop liquid that oozes soaks rubbish, influences on the one hand the waste incineration calorific value, on the other hand because ooze drop liquid cinder content height, viscosity is big, mobile poor, suspension is more, stops up lift pump easily.Be difficult to promote, discharging be because ooze drop liquid composition complexity, corrosivity greatly, distributed CH
4, H
2Explosion hazard gases such as S and toxicity are very big; the underground activities environment is extremely abominable; in order to protect the staff; normally the workman need not go down and directly lifting means (lift pump) be put into and oozes drop liquid under the dell; because liquid corrosion is extremely strong; amount of sludge is very big, and lifting means often damages because of corrosion, perhaps owing to stop up cisco unity malfunction.In case take place stopping up needs block clearing, need workman's work of going down, this often causes very big threat to block clearing personnel's personal safety.
The utility model content
At the prior art above shortcomings; the purpose of this utility model provides collection, the Hoisting System of a kind of waste incineration power plant garbage leachate; this leachate collecting, Hoisting System blast protection, easily desilting, discharge opeing are timely, can protect lifting means not oozed the drop corrosion and encroach on.
The purpose of this utility model is achieved in that waste incineration power plant garbage leachate is collected, Hoisting System, comprise refuse pit, it is characterized in that: it comprises that also the drop liquid that oozes that garbage dewatering can be formed introduces leachate collecting pond in it from refuse pit, be provided with on leachate collecting pond next door with leachate collecting pond being used to of isolating place lift pump ooze drop liquid pump room, the water intake of lift pump stretches in the leachate collecting pond, above the leachate collecting pond, be provided with desilting grab bucket and air exhausting device, but the desilting grab bucket is suspended on the brace summer and left and right sides slippage.
Be provided with the backwash mechanism that prevents that water intake from stopping up in the pipeline of described lift pump.
Described leachate collecting is provided with the liquid level automatic detection device in the pond, and the liquid level automatic detection device is connected the start and stop with the control lift pump with lift pump.
Compared to existing technology, this leachate collecting, Hoisting System have following beneficial effect:
1, the setting in leachate collecting pond can be concentrated leachate collecting to a unified place and be handled, and has cushioning effect, helps lift pump work, also is convenient to desilting and air draft;
2, owing to be provided with air exhausting device in the leachate collecting pond with above oozing drop liquid pump room, toxic and harmful can be discharged as early as possible, prevents to assemble, and has avoided explosion danger, thereby has helped the operation of personnel in pump house;
3, ad hoc ooze drop liquid pump room with lift pump with ooze drop liquid and effectively isolate, avoided lift pump to be corroded and influenced the risk of operate as normal; The mechanism of backwash simultaneously can prevent that water intake from stopping up, and guarantees the lift pump operate as normal;
4, make things convenient for desilting.After mud enters the leachate collecting pond, can remove easily by the desilting grab bucket.
In a word, native system can make the collection of garbage leachate, the hard nut to crack that lifting no longer becomes the puzzlement waste incineration and generating electricity, whole system can keep long-term, stable operation, avoid bubble rubbish and influence the burning effect, and make and ooze drop liquid and pernicious gas can access in time, effectively discharge, guaranteed operational outfit and staff's safety.
Description of drawings
Fig. 1-the utility model structural representation;
Fig. 2-Figure 1A-A sectional view;
Fig. 3-Figure 1B-B sectional view;
Fig. 4-leachate collecting pond air draft arrangement diagram;
Fig. 5-Fig. 4 vertical view.
The specific embodiment
Introduce the utility model in detail below in conjunction with accompanying drawing.
Referring to Fig. 1, Fig. 2 and Fig. 3, the utility model waste incineration power plant garbage leachate is collected, Hoisting System, comprises the refuse pit 1 and the leachate collecting pond 7 of rectangle, and the drop liquid that oozes that garbage dewatering forms can be directly in refuse pit 1 inflow leachate collecting pond 7.Refuse pit 1 wall adopts bolt support, refuse pit 1 degree of depth usually below+0.00 terrace-8～15m.
Be provided with desilting grab bucket 8 and air exhausting device 9 above leachate collecting pond 7, simultaneously referring to Fig. 4, Fig. 5, but desilting grab bucket 8 is suspended on the brace summer and left and right sides slippage.Be provided with on 7 next doors, leachate collecting pond with leachate collecting pond being used to of isolating place lift pump 11 ooze drop liquid pump room 10, ooze in the drop liquid pump room 10 and also be provided with air regenerating device, the water intake of lift pump 11 stretches in the leachate collecting pond 7.Directly do not contact with the drop liquid that oozes of collecting pit 7 interior deep-etchings owing to ooze drop liquid pump room 10, thereby help the operation of personnel in pump house, and can guarantee that the pump housing is not corroded.Be provided with the liquid level automatic detection device in the leachate collecting pond, the liquid level automatic detection device is connected the start and stop with automatic control lift pump with lift pump, and this liquid level automatic detection device is advanced radar level gauging instrument.
Influence the operate as normal of whole system in order to prevent lift pump from breaking down, the utility model is provided with three lift pumps 11 simultaneously, and wherein two is stand by pump.The purpose of desilting grab bucket 8 is that the mud in the leachate collecting pond is in time removed, and stops up lift pump and hardens avoiding.And the purpose of air exhausting device 9 is that the pernicious gas of top, leachate collecting pond is discharged equally, blasts to prevent too much gathering.Air exhausting device is located at liftoff about 7 meters high of top, leachate collecting pond.After oozing drop liquid and promoting by lift pump pressurization, through collect, the riser tubing system drain into ooze drop liquid handle between 13.For the mud that prevents to ooze in the drop liquid stops up lift pump, be provided with the backwash mechanism that prevents that water intake from stopping up in the pipeline of described lift pump, the interface of backwash mechanism (water source) is connected with the outdoor pipe network of water supply-drainage discipline.
Because ooze the severe corrosive of drop liquid, leachate collecting pond 7 inwalls should carry out preservative treatment, are provided with three layers usually, concrete is that basic unit, fiber glass epoxy (three cloth, four fat) are separation layer, and the whole anticorrosive coat of 10mm epoxy mortar is a surface layer.
The leachate collecting pond of this leachate collecting, Hoisting System has the function of blast protection, anticorrosion, easily desilting, easily collecting, lifting, and lift pump is avoided corrosion, reliable operation because of isolation.These functions and characteristics make native system can make the collection of garbage leachate, the hard nut to crack that lifting no longer becomes the puzzlement waste incineration and generating electricity, can guarantee that whole system keeps long-term, stable operation, avoid bubble rubbish and influence the burning effect, guaranteed operational outfit and staff's safety.
Claims (3)
1, waste incineration power plant garbage leachate is collected, Hoisting System, comprise refuse pit (1), it is characterized in that: it also comprises and the drop liquid that oozes of garbage dewatering formation can be introduced its interior leachate collecting pond (7) from refuse pit (1), be provided with on leachate collecting pond (7) next door with leachate collecting pond being used to of isolating place lift pump ooze drop liquid pump room (10), the water intake of lift pump (11) stretches in the leachate collecting pond (7), be provided with desilting grab bucket (8) and air exhausting device (9) in leachate collecting pond (7) top, desilting is grabbed bucket (8) but is suspended on the brace summer and left and right sides slippage.
2, waste incineration according to claim 1 power plant garbage leachate collect, Hoisting System, it is characterized in that: be provided with the backwash mechanism that prevents that water intake from stopping up in the pipeline of described lift pump.
3, waste incineration according to claim 1 and 2 power plant garbage leachate collect, Hoisting System, it is characterized in that: described leachate collecting is provided with the liquid level automatic detection device in the pond, and the liquid level automatic detection device is connected the start and stop with the control lift pump with lift pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200981498U CN201183989Y (en) | 2008-04-25 | 2008-04-25 | System for collecting and lifting rubbish leachate of rubbish burning power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200981498U CN201183989Y (en) | 2008-04-25 | 2008-04-25 | System for collecting and lifting rubbish leachate of rubbish burning power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201183989Y true CN201183989Y (en) | 2009-01-21 |
Family
ID=40271727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200981498U Expired - Fee Related CN201183989Y (en) | 2008-04-25 | 2008-04-25 | System for collecting and lifting rubbish leachate of rubbish burning power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201183989Y (en) |
Cited By (1)
| 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 |
-
2008
- 2008-04-25 CN CNU2008200981498U patent/CN201183989Y/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090121 Termination date: 20160425 |