CN106869301A - Old residential quarters septic tank cleaning method - Google Patents
Old residential quarters septic tank cleaning method Download PDFInfo
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- CN106869301A CN106869301A CN201710169190.3A CN201710169190A CN106869301A CN 106869301 A CN106869301 A CN 106869301A CN 201710169190 A CN201710169190 A CN 201710169190A CN 106869301 A CN106869301 A CN 106869301A
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- Prior art keywords
- septic tank
- clearly
- draw
- pipeline
- branch line
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of old residential quarters septic tank cleaning method, belong to septic tank Removal Technology field, one, all septic tanks that each accesses the outlet upstream of municipal drainage pipeline using cell, sewage conduct, inspection shaft draw unit clearly as one.2nd, first, circular special cage tool, sludge and debris for stopping septic tank are made.3rd, verification cell each draw unit clearly, check each and clear draw the overlap draining branch line that unit septic tank is exported towards municipal sewage pipeline；When each draws clearly first septic tank cleaning in unit upstream, the clear inspection shaft one and next inspection shaft two drawn needed for two cage tools are individually positioned in easy portal frame；Cleaning septic tank floating object duricrust, to want to draw clearly that the special cone of septic tank top 500mm or so duricrust is hammered into shape or drill rod is smashed, and pulled out from septic tank inspection shaft with specific purpose tool, be placed in Sheng mud groove and cover, specified discharge sites are transported in time, prevent dirt contamination environment.
Description
Technical field
The present invention relates to a kind of old residential quarters septic tank cleaning method, belong to septic tank Removal Technology field.
Background technology
Old residential quarters septic tank and sewage conduct block race and the phenomenon such as emit, and are always the maintenance of puzzlement drainage system, dimension
The problem that nurse makees.Exist high risk sexual due to manually drawing clearly, and expense is larger, so septic tank, sewage conduct and inspection
Well cannot clearly be drawn and safeguard for a long time from after house lead in, and the old zone leader having did not drew clearly up to 30 years, and sewage edgeization often occurs
Manure pit and sewage conduct manhole cover are excessive, have a strong impact on resident's normal life, and cell majority septic tank is for a long time along inspection shaft
Excessive, the duricrust of a thickness 500mm or so is formed at septic tank top.Water level remains high in cell portion sewage conduct, mostly
Within 500mm, in case of sewage conduct is not local smooth, there is sewage at any time and overflow from well lid in the sewage water surface of number inspection shaft away from well lid
Go out.The inspection shaft of part septic tank and sewage conduct is buried in underground for many years, and what is had is covered by mattess.In cell
All septic tanks, full of deposit and dirt, lose function substantially；Sewage conduct sludge quantity is above caliber more than 1/2, checks
All there are the debris such as substantial amounts of sludge brickbat in well.
Old residential quarters septic tank and sewage conduct block race and emit and wait producing cause to analyze：
During community wastewater pipe-line construction, the tubing and construction quality of use are unqualified, after use for many years, pipeline produce collapse pipe,
Mismatch, some Pipe installing adverse slopes produce alluvial at long-term use adverse slope.
When cell environment is built, to cesspool cover unattended, construction machinery destroys sewage inspection well, rubbish and brickbat
Inspection shaft is fallen into, clears up not in place, inspection shaft internal drainage has some setbacks for a long time.
When having cell portion hardened ground, septic tank and sewage conduct inspection shaft are directly hardened under road surface, in cell
Partially self bicycle shed and temporary building account for the outer septic tank of pressure chamber and sewage inspection well for a long time, conventional maintenance cannot be guaranteed.
Tenement does not carry out regular system and draws clearly to the septic tank and sewage conduct in cell by the clear cycle of drawing.Septic tank
Interior protection volume failure, dirt is directly entered pipeline and causes more serious alluvial.
Bottom of residential building change purposes opens up restaurant in cell, and a large amount of greasy dirts in restaurant flow into sewage conduct, cause dirt for a long time
Waterpipe and septic tank are blocked.
The content of the invention
In order to overcome above-mentioned technical deficiency, the present invention to provide a kind of old residential quarters septic tank cleaning method, should
Old residential quarters septic tank cleaning method can effectively solve existing old cell septic tank, the clear of sewage conduct and draw and cleaning is asked
Topic.
The technical solution adopted for the present invention to solve the technical problems is：Old residential quarters septic tank cleaning method：
Old cell septic tank, sewage conduct investigation are refined first：
Investigation is sequentially：It is to lead to sharing for urban pipeline outlet with the small area overlapping draining branch line in the upstream of municipal drainage pipeline interface
Draining branch line → septic tank downstream line investigation → septic tank investigate → go out drainage pipeline investigation in family i.e. septic tank be distributed, pipeline
Caliber, flow to, deposit mud amount and municipal drainage pipeline interface position etc..
Formulate old residential quarters septic tank and sewage conduct and block race and emit etc. and draw method construction procedure clearly：
First, each accesses municipal drainage pipeline using cell all septic tanks of outlet upstream, sewage conduct, inspection shaft are used as one
It is individual to draw unit clearly.
Each draws clearly unit includes some septic tanks, pipeline, inspection shaft, in units of drawing unit clearly by each, from most upstream
First septic tank drawn clearly.
Each sequence of construction for drawing unit clearly is：Septic tank preceding pipeline → septic tank → the downstream line of upstream first → small
Area overlapping draining branch line is：From first septic tank cleaning of outlet most upstream, until second needs is drawn under septic tank clearly
Play pipe road and the inspection shaft of small area overlapping draining branch line junction, draw clearly successively.
2nd, first, circular special cage tool, sludge and debris for stopping septic tank are made.Special cage tool makes：Skeleton
Vertical reinforcement is φ 10,8 reinforcing bars of length 2100mm, and transverse steel ring is the reinforcing bars of φ 6, is made overall diameter for 650mm, vertically
Reinforcing bar 1 is placed on transverse steel ring inner side, and transverse steel interannular connects to form skeleton away from 300mm, vertical reinforcement with transverse steel boxing.
Skeleton top is respectively equipped with four suspension ring, along skeleton top equidistant placement, and with skeleton firm welding；Skeleton outside uses 1mm
Steel plate net, mesh short pitch 18mm, long-pitch 50mm wind with one circuit along circular framework, expanded metal lath lap width 50mm, are taking
Place steel plate clamp jail is connect, expanded metal lath will be with skeleton entirety fixation.
Secondly, simple gantry crane is made, for slush pump, the placement of Special cage and lifting；One height 2800mm of making,
Width 1500mm simple gantry cranes.Crossbeam is 14# I-steel, and I-steel lower end is welded with two pack supports, is welded between every pack support
Cross supporting frame, is welded with oblique pull support frame between crossbeam and support, support uses DN125*5.5 steel pipes；It is equipped with the middle of crossbeam and is hung
Hook device.
3rd, verification cell each draw unit clearly, check each and clear draw what unit septic tank was exported towards municipal sewage pipeline
Overlap draining branch line；Determine each septic tank, drainage pipeline one, inspection shaft one, inspection shaft two, draining branch line one, drainage pipeline two,
Drainage pipeline three, the position of draining branch line two, and draw the position of particular location and UNICOM and be easy to construction；Reduce cell entirety sewage
Water level, to the debris such as settled sludge carry out machinery clearly in all inspection shafts before and after cell septic tank and in sewage overlap branch pipeline
Draw.Septic tank water level and the inspection Well Water Level of cell are preferably minimized, are easy to the lower step of septic tank to draw clearly；Under sewage conduct water level
After drop, sewage conduct before septic tank is drawn clearly with water jetting at high pressure car, the pipeline residual thing of septic tank upstream is entered septic tank.
When each draws clearly first septic tank cleaning in unit upstream, two cage tools are individually positioned in easy portal frame
The required clear inspection shaft one and next inspection shaft two drawn；
Cleaning septic tank floating object duricrust, will want to draw septic tank top 500mm or so duricrust special cone hammer or drill rod clearly
Smash, and pulled out from septic tank inspection shaft with specific purpose tool, be placed in Sheng mud groove and cover, specified discharge is transported in time
Place, prevents dirt contamination environment.
Draw septic tank clearly.6 cun of slush pumps are fixed using simple gantry crane, and slush pump is sent into septic tank, lifting pipe
It is connected with first inspection shaft of septic tank downstream line.Open slush pump and fall sewer and sludge to septic tank downstream line
Slurry.
Draw septic tank inwall attachment clearly.Slush pump cleaning substantially on earth when, take out slush pump, with water jetting at high pressure car to change
The stiff mud high-pressure wash that the wall of manure pit four and bottom are formed for many years, then pour into downstream line with slush pump.
During septic tank pump drainage, the special cage tool that sewage is overlapped in two inspection shafts of draining branch line will set special messenger's nurse, such as
When there is Special cage blocking, special cage tool is hung out with simple gantry crane, should in time clear up tamper, the dirt of cleaning is put into
In sludge sump, and covering is transported.
Draw septic tank downstream drainage pipeline clearly.After complete 1-3 days of septic tank cleaning, dirt is precipitated substantially in pipeline, is opened
With first Special cage of Chong Die branch line, first septic tank downstream branch line is drawn between overlap branch second Special cage of line segment to clear
Pipeline carries out machinery and draws clearly, and sludge is transported in time.Each draw clearly unit from branch line Chong Die with sewage connection upstream successively to
Downstream is drawn clearly, progressively to municipal drainage pipeline interface, draws that program is simple and direct, cost is relatively low clearly, prevents cell branch line sludge from entering again
Municipal drainage pipeline.
The beneficial effects of the invention are as follows：Clear to draw that program is simple and direct, reasonable, cost is relatively low, and personnel's injury accident will not occur；It is anti-
Only cell branch line sludge enters municipal drainage pipeline, fundamentally solve old residential quarters septic tank it is clear draw with outside septic tank
The excessive environmental pollution for causing.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and detailed description.
Fig. 1 is that Special cage of the present invention is signed an undertaking composition.
Fig. 2 is gantry frame structure schematic diagram of the present invention.
Fig. 3 is septic tank cleaning route investigation schematic diagram of the present invention.
1, suspension ring in figure, 2, vertical reinforcement, 3, transverse steel ring, 4, expanded metal lath, 5, crossbeam, 6, support, 7, upper oblique pull branch
Support, 8, cross supporting frame, 9, septic tank, 10, drainage pipeline one, 11, inspection shaft one, 12, inspection shaft two, 13, draining branch line one,
14th, drainage pipeline two, 15, drainage pipeline three, 16, draining branch line two.
Specific embodiment
Old residential quarters septic tank cleaning method：
Old cell septic tank, sewage conduct investigation are refined first：
Investigation is sequentially：It is to lead to sharing for urban pipeline outlet with the small area overlapping draining branch line in the upstream of municipal drainage pipeline interface
Draining branch line → septic tank downstream line investigation → septic tank investigate → go out drainage pipeline investigation in family i.e. septic tank be distributed, pipeline
Caliber, flow to, deposit mud amount and municipal drainage pipeline interface position etc..
Formulate old residential quarters septic tank and sewage conduct and block race and emit etc. and draw method construction procedure clearly：
First, each accesses municipal drainage pipeline using cell all septic tanks of outlet upstream, sewage conduct, inspection shaft are used as one
It is individual to draw unit clearly.
Each draws clearly unit includes some septic tanks, pipeline, inspection shaft, in units of drawing unit clearly by each, from most upstream
First septic tank drawn clearly.
Each sequence of construction for drawing unit clearly is：Septic tank preceding pipeline → septic tank → the downstream line of upstream first → small
Area overlapping draining branch line is：From first septic tank cleaning of outlet most upstream, until second needs is drawn under septic tank clearly
Play pipe road and the inspection shaft of small area overlapping draining branch line junction, draw clearly successively.
2nd, first, circular special cage tool, sludge and debris for stopping septic tank are made.Special cage tool makes：As schemed
Shown in 1, skeleton vertical reinforcement 2 is φ 10,8 reinforcing bars of length 2100mm, and transverse steel ring 3 is the reinforcing bars of φ 6, is made overall diameter
It is 650mm, vertical reinforcement 1 is placed on the inner side of transverse steel ring 3, the spacing 300mm of transverse steel ring 3, vertical reinforcement 2 and transverse steel
The welding of ring 3 forms skeleton.Skeleton top is respectively equipped with four suspension ring 1, along skeleton top equidistant placement, and welds jail with skeleton
Gu；Using 1mm steel plates net 4, mesh short pitch 18mm, long-pitch 50mm wind with one circuit along circular framework, steel plate in skeleton outside
The lap width 50mm of net 4, in lap-joint steel plate clamp jail, expanded metal lath will be with skeleton entirety fixation.
Secondly, simple gantry crane is made, for slush pump, the placement of Special cage and lifting；As shown in Fig. 2 making one
Height 2800mm, width 1500mm simple gantry cranes.Crossbeam 5 is 14# I-steel, and I-steel lower end is welded with two pack supports 6, every group
Cross supporting frame 8 is welded between support 6, oblique pull support frame 7 is welded between crossbeam 5 and support 6, support 6 uses DN125*5.5 steel
Pipe；Hook gear is equipped with the middle of crossbeam 5.
3rd, verification cell each draw unit clearly, check each and clear draw what unit septic tank was exported towards municipal sewage pipeline
Overlap draining branch line；As shown in figure 3, determining each septic tank 9, drainage pipeline 1, inspection shaft 1, inspection shaft 2 12, draining
Branch line 1, drainage pipeline 2 14, drainage pipeline 3 15, the position of draining branch line 2 16, and draw the position of particular location and UNICOM
Put and be easy to construction；Reduce cell entirety wastewater level, in all inspection shafts before and after cell septic tank and sewage overlap branch spool
In road the debris such as settled sludge carry out machinery draw clearly.It is preferably minimized septic tank water level and the inspection Well Water Level of cell, being easy to
The lower step of manure pit is drawn clearly；After sewage conduct water level decreasing, sewage conduct before septic tank is drawn clearly with water jetting at high pressure car, make septic tank
The pipeline residual thing of upstream enters septic tank.
When each draws clearly first septic tank cleaning in unit upstream, two cage tools are individually positioned in easy portal frame
The required clear inspection shaft 1 and next inspection shaft 2 12 drawn；Cleaning septic tank floating object duricrust, will want to draw septic tank clearly
The special cone of top 500mm or so duricrust is hammered into shape or drill rod is smashed, and is pulled out from septic tank inspection shaft with specific purpose tool, places
Containing in mud groove and covering, specified discharge sites are being transported in time, preventing dirt contamination environment.
Draw septic tank clearly.6 cun of slush pumps are fixed using simple gantry crane, and slush pump is sent into septic tank, lifting pipe
It is connected with first inspection shaft of septic tank downstream line.Open slush pump and fall sewer and sludge to septic tank downstream line
Slurry.
Draw septic tank inwall attachment clearly.Slush pump cleaning substantially on earth when, take out slush pump, with water jetting at high pressure car to change
The stiff mud high-pressure wash that the wall of manure pit four and bottom are formed for many years, then pour into downstream line with slush pump.
During septic tank pump drainage, the special cage tool that sewage is overlapped in two inspection shafts of draining branch line will set special messenger's nurse, such as
When there is Special cage blocking, special cage tool is hung out with simple gantry crane, should in time clear up tamper, the dirt of cleaning is put into
In sludge sump, and covering is transported.
Draw septic tank downstream drainage pipeline clearly.After complete 1-3 days of septic tank cleaning, dirt is precipitated substantially in pipeline, is opened
With first Special cage of Chong Die branch line, first septic tank downstream branch line is drawn between overlap branch second Special cage of line segment to clear
Pipeline carries out machinery and draws clearly, and sludge is transported in time.Each draw clearly unit from branch line Chong Die with sewage connection upstream successively to
Downstream is drawn clearly, progressively to municipal drainage pipeline interface, draws that program is simple and direct, cost is relatively low clearly, prevents cell branch line sludge from entering again
Municipal drainage pipeline.
Claims (2)
1. a kind of old residential quarters septic tank cleaning method, including special cage tool, portal frame, it is characterised in that：
Old cell septic tank, sewage conduct investigation are refined first：
Investigation is sequentially：It is to lead to sharing for urban pipeline outlet with the small area overlapping draining branch line in the upstream of municipal drainage pipeline interface
Draining branch line → septic tank downstream line investigation → septic tank investigate → go out drainage pipeline investigation in family i.e. septic tank be distributed, pipeline
Caliber, flow to, deposit mud amount and municipal drainage pipeline interface position etc.；
Formulate old residential quarters septic tank and sewage conduct and block race and emit etc. and draw method construction procedure clearly：
First, each accesses municipal drainage pipeline using cell all septic tanks of outlet upstream, sewage conduct, inspection shaft are used as one
It is individual to draw unit clearly；
Each draws clearly unit including some septic tanks, pipeline, inspection shaft, in units of drawing unit clearly by each, from the of most upstream
One septic tank is drawn clearly；
Each sequence of construction for drawing unit clearly is：Septic tank preceding pipeline → septic tank → downstream line → cell the weight of upstream first
Folding draining branch line is：From first septic tank cleaning of outlet most upstream, until second needs draws septic tank downstream tube clearly
Road and the inspection shaft of small area overlapping draining branch line junction, draw clearly successively；
2nd, circular special cage tool and portal frame, sludge and debris for stopping septic tank are made；
3rd, verification cell each draw unit clearly, check each and clear draw the overlap that unit septic tank is exported towards municipal sewage pipeline
Draining branch line；Determine each septic tank（9）, drainage pipeline one（10）, inspection shaft one（11）, inspection shaft two（12）, draining branch line one
（13）, drainage pipeline two（14）, drainage pipeline three（15）, draining branch line two（16）Position, and draw particular location and UNICOM
It is easy to construction in position；Reduce cell entirety wastewater level, in all inspection shafts before and after cell septic tank and sewage overlap branch line
In pipeline the debris such as settled sludge carry out machinery draw clearly；Septic tank water level and the inspection Well Water Level of cell are preferably minimized, are easy to
The lower step of septic tank is drawn clearly；After sewage conduct water level decreasing, sewage conduct before septic tank is drawn clearly with water jetting at high pressure car, making excrement
The pipeline residual thing of pond upstream enters septic tank；
When each draws clearly first septic tank cleaning in unit upstream, needed for two cage tools are individually positioned in easy portal frame
The clear inspection shaft one drawn（11）And next inspection shaft two（12）；Cleaning septic tank floating object duricrust, will want to draw septic tank clearly
The special cone of top 500mm or so duricrust is hammered into shape or drill rod is smashed, and is pulled out from septic tank inspection shaft with specific purpose tool, places
Containing in mud groove and covering, specified discharge sites are being transported in time, preventing dirt contamination environment；
Draw septic tank clearly；Fix 6 cun of slush pumps using simple gantry crane, and slush pump sent into septic tank, lifting pipe with change
First inspection shaft connection of manure pit downstream line；Open slush pump and fall sewer and sludge slurry to septic tank downstream line；
Draw septic tank inwall attachment clearly；Slush pump cleaning substantially on earth when, take out slush pump, with water jetting at high pressure car to septic tank
The stiff mud high-pressure wash that four walls and bottom are formed for many years, then pour into downstream line with slush pump；
During septic tank pump drainage, the special cage tool that sewage is overlapped in two inspection shafts of draining branch line will set special messenger's nurse, such as occur
When Special cage is blocked, special cage tool is hung out with simple gantry crane, should in time clear up tamper, the dirt of cleaning is put into sludge
In groove, and covering is transported；
Draw septic tank downstream drainage pipeline clearly；After complete 1-3 days of septic tank cleaning, dirt is precipitated substantially in pipeline, is opened and weight
First Special cage of folded branch line, first septic tank downstream branch line to pipeline between overlap branch second Special cage of line segment is drawn to clear
Carry out machinery to draw clearly, and sludge is transported in time；Each is drawn clearly unit and connects upstream successively downstream from branch line Chong Die with sewage
Draw clearly, progressively to municipal drainage pipeline interface, draw that program is simple and direct, cost is relatively low clearly, prevent cell branch line sludge from entering city again
Flowing line.
2. a kind of old residential quarters septic tank cleaning method according to claim 1, it is characterized in that：Special cage tool system
Make：Skeleton vertical reinforcement（2）It is φ 10,8 reinforcing bars of length 2100mm, transverse steel ring（3）It is the reinforcing bars of φ 6, is made outer straight
Footpath is 650mm, vertical reinforcement（1）It is placed on transverse steel ring（3）Inner side, transverse steel ring（3）Spacing 300mm, vertical reinforcement（2）
With transverse steel ring（3）Welding forms skeleton；Skeleton top is respectively equipped with four suspension ring（1）, along skeleton top equidistant placement, and
With skeleton firm welding；Skeleton outside uses 1mm steel plate nets（4）, mesh short pitch 18mm, long-pitch 50mm are along circular framework
Wind with one circuit, expanded metal lath（4）Lap width 50mm, in lap-joint steel plate clamp jail, expanded metal lath will be with skeleton entirety fixation；
Simple gantry crane is made, for slush pump, the placement of Special cage and lifting；Make height 2800mm, a width
1500mm simple gantry cranes；Crossbeam（5）It is 14# I-steel, I-steel lower end is welded with two pack supports（6）, per pack support（6）Between
It is welded with cross supporting frame（8）, crossbeam（5）With support（6）Between be welded with oblique pull support frame 7, support（6）Use DN125*5.5 steel
Pipe；Crossbeam（5）Centre is equipped with hook gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169190.3A CN106869301B (en) | 2017-03-21 | 2017-03-21 | Old residential quarters septic tank cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169190.3A CN106869301B (en) | 2017-03-21 | 2017-03-21 | Old residential quarters septic tank cleaning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106869301A true CN106869301A (en) | 2017-06-20 |
| CN106869301B CN106869301B (en) | 2019-03-29 |
Family
ID=59171759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710169190.3A Expired - Fee Related CN106869301B (en) | 2017-03-21 | 2017-03-21 | Old residential quarters septic tank cleaning method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106869301B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487448A (en) * | 2018-05-14 | 2018-09-04 | 南通富海环保设备有限公司 | A kind of coprodaecum dredging cleaning plant |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2797650B1 (en) * | 1999-08-18 | 2002-06-07 | Eparco Sa | FLOAT FOR SEPTIC TANK |
| CN101864802A (en) * | 2009-12-11 | 2010-10-20 | 贵州威尔森环保生物工程有限公司 | Sludge and septic tank cleaning equipment |
| CN104817242A (en) * | 2015-05-05 | 2015-08-05 | 赵峰 | Absorption treatment method for municipal scattered sludge |
| CN105540281A (en) * | 2016-02-03 | 2016-05-04 | 厦门大学嘉庚学院 | Spiral conveying type septic tank cleaning device and septic tank cleaning method |
-
2017
- 2017-03-21 CN CN201710169190.3A patent/CN106869301B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2797650B1 (en) * | 1999-08-18 | 2002-06-07 | Eparco Sa | FLOAT FOR SEPTIC TANK |
| CN101864802A (en) * | 2009-12-11 | 2010-10-20 | 贵州威尔森环保生物工程有限公司 | Sludge and septic tank cleaning equipment |
| CN104817242A (en) * | 2015-05-05 | 2015-08-05 | 赵峰 | Absorption treatment method for municipal scattered sludge |
| CN105540281A (en) * | 2016-02-03 | 2016-05-04 | 厦门大学嘉庚学院 | Spiral conveying type septic tank cleaning device and septic tank cleaning method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487448A (en) * | 2018-05-14 | 2018-09-04 | 南通富海环保设备有限公司 | A kind of coprodaecum dredging cleaning plant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106869301B (en) | 2019-03-29 |
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Granted publication date: 20190329 Termination date: 20210321 |