CN202000459U - Backwash channel structure of percolate guide-discharge system at landfill site - Google Patents
Backwash channel structure of percolate guide-discharge system at landfill site Download PDFInfo
- Publication number
- CN202000459U CN202000459U CN2011200082145U CN201120008214U CN202000459U CN 202000459 U CN202000459 U CN 202000459U CN 2011200082145 U CN2011200082145 U CN 2011200082145U CN 201120008214 U CN201120008214 U CN 201120008214U CN 202000459 U CN202000459 U CN 202000459U
- Authority
- CN
- China
- Prior art keywords
- straight tube
- pipe
- percolate
- backwash
- end well
- Prior art date
- 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 - Lifetime
Links
Images
Landscapes
- Revetment (AREA)
Abstract
The utility model discloses a backwash channel structure of a percolate guide-discharge system at a landfill site, wherein a water inlet and a water outlet are arranged correspondingly on the side all of an end well, and a through hole matched with a blind pipe is also arranged on side wall of the end well; a first straight tube and a second straight tube are positioned in the end well, and the first straight tube is located above the second straight tube; the first straight tube, the second straight tube and the blind pipe are communicated with a three-way pipe, and the blind pipe extends out of the side wall of the end well through the through hole and then is connected with a collection tube of the percolate guide-discharge system; the inlet of the first straight tube is provided with a detachable seal cover; a backwash guide bending pipe is fixedly arranged in a channel formed by the first straight tube, the three-way pipe and the blind pipe; and one end of the backwash guide bending pipe is positioned in the first straight tube, and the other end of the backwash guide bending pipe is positioned in the blind pipe. In the backwash channel structure, a high pressure water pipe and a spray nozzle enter the collection tube of the percolate guide-discharge system by the backwash guide bending pipe, so as to disperse siltation things by the reverse impulsive force of high pressure water flow effectively and avoid blocking in a percolate collection pipe.
Description
Technical field
The utility model relates to percolate from garbage filling field guide system silting blocking device, especially relates to the backwash channel design of a kind of percolate from garbage filling field guide system.
Background technology
Percolate from garbage filling field guide system is made up of rubble lead layer, french drain, collecting pipe etc., it is the important component part of refuse landfill pad system, its effect is to discharge percolate timely and effectively, the head of control on the laying in 30cm, thereby reduce the percolate seepage and guarantee the landfill yard safe operation.But percolate lead layer system generation silting after the discovery landfill yard operation several years in the actual engineering.Cause the mechanism of silting to comprise effects such as physics, biology, chemistry, in guide percolate process, at first can adsorb suspended particulate in coarse granule filtration beds surface and the leachate collection pipe and form sediment, acitve organic matter fermentation afterwards forms biomembrane, then cation generates crust layers such as calcium carbonate, sulfate, causes the minimizing of lead layer voids volume, leachate collection pipe plug plug.Percolate guide system silting degree is relevant with the percolate discharge value, and the closer to the leachate collection pipe, the unit area discharge value is big more, and silting is serious more, and the place that silting is the most serious is the leachate collection pipe.In the biomembranous stage of initial formation, the silting thing still can wash by the mode of high pressure washing collecting pipe, can avoid forming crust layer; In case biomembrane is completed into, when beginning to generate precipitation of calcium carbonate, this inoranic membrane will be difficult to clean attached in particle surface and the pipe.Percolate guide system silting will directly cause percolate water level rising in the landfill yard, make the head on the bottom liner layer be far longer than design load.The too high stability that reduces junk-heap body of percolate water level has been aggravated the percolate seepage, and everything all makes landfill yard that the possibility that surrounding enviroment pollute is increased greatly.
For guaranteeing the refuse landfill health, move safely and reduce pollution, should consider the problem of how to renovate after the guide system silting blocking problem and silting in the landfill yard running in the design stage to surrounding enviroment.First landfill yard that China age Mo in last century builds is because design is backward relatively, generally adopts simple and easy percolate guide system, do not consider the control of silting, and causing has the silting landfill yard in time to clear up, finally fully by silting.At present, still do not allow flushing device enter the channel design of percolate guide system.
The utility model content
The purpose of this utility model provides a kind of percolate from garbage filling field guide system backwash channel design rational in infrastructure, simple to operation, and this backwash channel design can allow flushing device enter percolate guide system.
For achieving the above object, technical solution adopted in the utility model is: this percolate from garbage filling field guide system backwash channel design comprises end well, non-perforated pipe, tee piece, backwash racecourse bend, first straight tube, second straight tube and detachable seal cover; Be provided with inlet opening and weep hole on the sidewall of end well opposite to each other, and also be provided with the through hole that is complementary with non-perforated pipe on the sidewall of end well; First straight tube and second straight tube place in the end well and first straight tube is positioned at the top of second straight tube, first straight tube, second straight tube and non-perforated pipe are communicated with by tee piece, and non-perforated pipe stretches out end well from through hole sidewall is connected with the collecting pipe with percolate guide system; The entrance of first straight tube is equipped with detachable seal cover; The backwash racecourse bend is fixedly installed in the passage that is formed by first straight tube, tee piece and non-perforated pipe, and an end of backwash racecourse bend places in first straight tube, the other end places in the non-perforated pipe.
Further, detachable seal cover described in the utility model is made of flange socket and flange pipe plug, and the described flange socket and first straight tube are tightly connected, and described flange pipe plug is fixedlyed connected with described flange socket.
Compared with prior art, the beneficial effect that the utlity model has is: (1) owing to be fixedly installed in the backwash racecourse bend in the passage that is formed by first straight tube, tee piece and non-perforated pipe, and wherein an end of backwash racecourse bend places that first straight tube is interior, the other end places in the non-perforated pipe; In addition, non-perforated pipe stretches out end well from through hole sidewall is connected with the collecting pipe with percolate guide system, therefore can allow flushing device (for example high-pressure water pipe and shower nozzle) enter the collecting pipe of percolate guide system, thereby can before the silting thing form biomembrane stage, final calcification formation crust layer at first, break up the silting thing by the mode of high pressure washing collection.During (2) owing to use, percolate can form the water seal effect to second straight tube successively after non-perforated pipe of the present utility model, second straight tube enter end well, and the removable seal end cap has sealing function to first straight tube, thereby when not carrying out backwash, can avoid air to enter junk-heap body inside, to keep anaerobic environment in the landfill body, avoid in the landfill gas concentration of methane diluted simultaneously.(3) because end cover is detachable, therefore can carry out periodic flushing to percolate guide system easily and safeguard, prevent guide system silting, thereby keep collection conduit unimpeded, give full play to the effect of percolate in its collection, the white-out junk-heap body.(4) by the utility model channel design, the reverse impulse force that can effectively utilize High-Pressure Water breaks up the silting thing, avoid the silting of leachate collection pipeline, percolate can in time be got rid of from junk-heap body, reduced the percolate water level in the junk-heap body, thereby improve the safety and stability of landfill yard, reduce the risk that percolate pollutes underground environment.
Description of drawings
Fig. 1 is the internal construction schematic diagram of the utility model backwash passage;
Fig. 2 is the vertical view of Fig. 1;
The scheme of installation of Fig. 3 the utility model backwash channel design;
Fig. 4 is the backwash view of the utility model backwash channel design;
Among the figure: 1, end well, 2, non-perforated pipe, 3, tee piece, 4, backwash racecourse bend, 51, first straight tube, 52, second straight tube, 6, detachable seal cover, 71, the inlet opening, 72, weep hole, 8, through hole, 9, the collecting pipe of percolate guide system, 10, percolate discharge guiding pipe, 11, maintenance cat ladder, 12, high-pressure water pipe and shower nozzle, 13, macadam, 14, compacting clay, 15, landfill waste.
The specific embodiment
As shown in Figure 1 and Figure 2, the utility model percolate from garbage filling field guide system backwash channel design comprises vertical end well 1, non-perforated pipe 2, tee piece 3, backwash racecourse bend 4, first straight tube 51, second straight tube 52 and detachable seal cover 6.As shown in Figures 2 and 3, when being applied to the utility model backwash channel design in the percolate from garbage filling field guide system, need each end well 1 to be connected successively by a plurality of percolate discharge guiding pipes 10, wherein, one end of each percolate discharge guiding pipe 10 is connected with the inlet opening 71 of an end well 1, the other end is connected with the weep hole 72 of another end well 1, for making each end well 1 after the series connection form structure in one line, the inlet opening 71 of each end well 1 and weep hole 72 need be located on the sidewall of end well 1 opposite to each other; Non-perforated pipe 2 in addition, also is provided with the through hole 8 that is complementary with non-perforated pipe 2 on the sidewall of end well 1, so that can pass through hole 8 and finally be connected with the collecting pipe 9 of percolate guide system.
As shown in Figure 1, first straight tube 51 and second straight tube 52 place in the end well 1 and first straight tube 51 is positioned at the top of second straight tube 52, and first straight tube 51, second straight tube 52 and non-perforated pipe 2 are communicated with by tee piece 3.One end of non-perforated pipe 2 connects the back and stretches out end well 1 from through hole 8 with the horizontal ends of tee piece 3.Be installed with detachable seal cover 6 on first straight tube 51, removable seal lid 6 can be with the inlet seal of first straight tube 51.As preferred implementation of the present utility model, removable seal lid 6 is made of flange socket and flange pipe plug, wherein flange socket and first straight tube, 51 sealed attachment, and the flange pipe plug is fixedlyed connected with flange socket.Backwash racecourse bend 4 is fixedly installed in the passage that is formed by first straight tube 51, tee piece 3 and non-perforated pipe 2, and an end of backwash racecourse bend 4 places in first straight tube 51, the other end places in the non-perforated pipe 2.
As shown in Figure 1 and Figure 4, maintenance cat ladder 11 can be installed on the sidewall of end well 1, be used for the ordinary maintenance of backwash channel design.
As shown in Figure 3 and Figure 4, when being applied to the utility model backwash channel design in the percolate from garbage filling field guide system, each end well 1 compartment of terrain is placed the end of percolate guide system french drain, utilize percolate discharge guiding pipe 10 to connect between each end well 1, make each end well 1 after the connection form structure in one line by inlet opening 71 and weep hole 72 close-coupled.In addition, non-perforated pipe 2 is embedded in the compacting clay 14 of end well 1 front end, and the collecting pipe 9 of non-perforated pipe 2 with percolate guide system connected.
As shown in Figure 3, Figure 4, in the refuse landfill normal course of operation, percolate in the junk-heap body enters non-perforated pipe 2 by the collecting pipe 9 of percolate guide system, flow into end well 1 along second straight tube 52, percolate water level in the end well 1 covers the bottom of second straight tube 52 and forms the water seal effect on the one hand, detachable on the other hand seal cover has sealing function, can prevent that thus air from being entered and being entered in the junk-heap body along non-perforated pipe 2 by the entrance of first straight tube 51; When the percolate water level in the end well 1 covered the weep hole 71 of end well 1, percolate just can enter the percolate storage pond at last by each end well 1 of flowing through successively of the percolate discharge guiding pipe 10 between the adjacent end well 1.
As shown in Figure 4, after refuse landfill operation a period of time, effects such as physical sedimentation, biomembrane formation, chemical calcification take place in the fine particle in the percolate in flow process, just can in the collecting pipe 9 of percolate guide system, form crust layer gradually, before the silting thing forms biomembrane stage, final calcification formation crust layer at first, should the collecting pipe 9 of percolate guide system be washed.When needs washed the collecting pipe 9 of percolate guide system, landfill yard should stop to bleed, and causes air to enter in the junk-heap body rapidly to prevent to form negative pressuren zone.During flushing, open detachable seal cover 6, high-pressure water pipe and shower nozzle 12 are put into non-perforated pipe 2 from backwash racecourse bend 4, and the reverse impulse force that utilizes High-Pressure Water makes high-pressure water pipe and shower nozzle 12 move to collecting pipe 9 depths of percolate guide system, shower nozzle to around the inject high pressure current, break up the silting thing.In order to keep the normal operation of percolate guide system, can formulate the flushing plan of economical rationality, the collecting pipe 9 of the percolate guide system that the periodic flushing silting is the most serious keeps the unimpeded of percolate guide system.
Percolate guide of the present utility model system backwash channel design, its end well 1, non-perforated pipe 2, tee piece 3, backwash racecourse bend 4, first straight tube 51, second straight tube 52 and flange socket 6 etc. are generally made by the HDPE material, not only be convenient to install and connected but also can anticorrosion, and can adapt to the differential settlement of landfill yard.
The above-mentioned specific embodiment is used for the utility model of explaining; rather than the utility model limited; in the protection domain of spirit of the present utility model and claim, any modification and change to the utility model is made all fall into protection domain of the present utility model.
Claims (2)
1. a percolate from garbage filling field guide system backwash channel design is characterized in that: comprise end well (1), non-perforated pipe (2), tee piece (3), backwash racecourse bend (4), first straight tube (51), second straight tube (52) and detachable seal cover (6); Be provided with inlet opening (71) and weep hole (72) on the sidewall of described end well (1) opposite to each other, and also be provided with the through hole (8) that is complementary with non-perforated pipe (2) on the sidewall of end well (1); First straight tube (51) and second straight tube (52) place in the end well (1) and first straight tube (51) is positioned at the top of second straight tube (52), first straight tube (51), second straight tube (52) and non-perforated pipe (2) are communicated with by tee piece (3), and non-perforated pipe (2) stretches out end well (1) from described through hole (8) sidewall is connected with the collecting pipe with percolate guide system; The entrance of first straight tube (51) is equipped with detachable seal cover (6); Backwash racecourse bend (4) is fixedly installed in the passage that is formed by first straight tube (51), tee piece (3) and non-perforated pipe (2), and an end of backwash racecourse bend (4) places in first straight tube (51), the other end places in the non-perforated pipe (2).
2. a kind of percolate from garbage filling field guide according to claim 1 system backwash channel design, it is characterized in that: described detachable seal cover (6) is made of flange socket and flange pipe plug, described flange socket and first straight tube (51) sealed attachment, described flange pipe plug is fixedlyed connected with described flange socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200082145U CN202000459U (en) | 2011-01-12 | 2011-01-12 | Backwash channel structure of percolate guide-discharge system at landfill site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200082145U CN202000459U (en) | 2011-01-12 | 2011-01-12 | Backwash channel structure of percolate guide-discharge system at landfill site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202000459U true CN202000459U (en) | 2011-10-05 |
Family
ID=44703204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200082145U Expired - Lifetime CN202000459U (en) | 2011-01-12 | 2011-01-12 | Backwash channel structure of percolate guide-discharge system at landfill site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202000459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094451A (en) * | 2011-01-12 | 2011-06-15 | 浙江大学 | Backwashing channel structure for percolate guide and drainage system of refuse landfill |
-
2011
- 2011-01-12 CN CN2011200082145U patent/CN202000459U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094451A (en) * | 2011-01-12 | 2011-06-15 | 浙江大学 | Backwashing channel structure for percolate guide and drainage system of refuse landfill |
| CN102094451B (en) * | 2011-01-12 | 2012-05-30 | 浙江大学 | Backwashing channel structure for percolate guide and drainage system of refuse landfill |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103374965B (en) | Venturi self-circulation negative-pressure drainage system of refuse landfill | |
| CN206233333U (en) | A kind of early-stage rainwater filtering, precipitation, abandoned stream and collection processing system implementing | |
| CN102094451B (en) | Backwashing channel structure for percolate guide and drainage system of refuse landfill | |
| CN108797756A (en) | Rain penetration purifies savings system in a kind of landscape planting | |
| CN210786389U (en) | Bury formula sewage treatment device | |
| CN104710092A (en) | Plastic steel biogas septic tank | |
| CN202689117U (en) | Treating device for sewage in pool | |
| CN202000459U (en) | Backwash channel structure of percolate guide-discharge system at landfill site | |
| CN206289586U (en) | Hydraulic engineering ecological protection slope | |
| CN202380515U (en) | Multi-purpose rainwater utilization system | |
| CN205000440U (en) | Municipal administration sewer line based on rainwater pressure sensing | |
| CN105464191A (en) | Rain sewage diverting and guiding system of valley-type waste landfill and using method thereof | |
| CN201679081U (en) | Slope leachate guiding and draining well | |
| CN203129317U (en) | Rain pipe silt collecting device for river channel silt prevention | |
| CN206319398U (en) | A kind of deep foundation pit rainwater storage pond | |
| CN204958535U (en) | System for can effectively improve constructed wetland filler blocks up | |
| CN212248648U (en) | Integrated control source sewage interception pump station | |
| CN204529451U (en) | Biogas septic tank | |
| CN202324151U (en) | Drainage device of sand collection pool of runoff plot | |
| CN106917473A (en) | A kind of photovoltaic afforests the rainwater recycle method of composite roof | |
| CN202824055U (en) | Four-way type horizontal landfill gas collection well | |
| CN211057872U (en) | Anti-seepage drainage guide system of refuse landfill | |
| CN202730644U (en) | Bridge with sealed water-drainage system | |
| CN206737112U (en) | A kind of waste landfill site leachate discharge guiding pipe dredger | |
| CN205907805U (en) | High -order rainwater regulation pond silt rinse -system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111005 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |