CN206927687U - Efficient stable rural domestic sewage treating device - Google Patents
Efficient stable rural domestic sewage treating device Download PDFInfo
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- CN206927687U CN206927687U CN201720901945.XU CN201720901945U CN206927687U CN 206927687 U CN206927687 U CN 206927687U CN 201720901945 U CN201720901945 U CN 201720901945U CN 206927687 U CN206927687 U CN 206927687U
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- manure
- conduit
- fermentation vat
- storage pond
- water inlet
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Abstract
The utility model discloses efficient stable rural domestic sewage treating device, including fixing groove and the top cover located at fixing groove openend；Fermentation vat is arranged with by retaining element in fixing groove, crosses manure pit and manure storage pond；The side wall of fixing groove is provided with one-level water inlet pipe, the side wall of fermentation vat is provided with two level water inlet pipe, between fermentation vat and excessively manure pit conduit is equipped with side wall relative in relative side wall, excessively between manure pit and manure storage pond, it is additionally provided with one-level drainpipe in the side wall in manure storage pond, and Municipal secondary effluent pipe is provided with the be relatively fixed side wall of groove of manure storage pond；Between one-level water inlet pipe and two level water inlet pipe, the conduit of fermentation vat and cross manure pit conduit between, cross manure pit conduit and manure storage pond conduit between and one-level drainpipe and Municipal secondary effluent pipe between be detachably connected by sealed connecting component.The utility model is a kind of by each functional module combined septic tank, easy for installation, antiseep, and is easy to staff to clear up septic tank, reduces processing risk.
Description
Technical field
It the utility model is related to field of rural sewage water treatment, and in particular to efficient stable rural domestic sewage treating device.
Background technology
Life in the countryside increasingly urbanization, lavatory flushing water, kitchen water, washing machine of the sanitary sewage essentially from farmers'
Draining, shower drainage and other drainings.In recent years, rural domestic sewage treatment process is different, but is all each unit treatment technology
Various combination.Rural sewage treatment practical technique includes septic tank, purifying methane tank, common aeration tank, batch-type life
Thing reactor, oxidation ditch, biological contact oxidation pond, artificial swamp, land treatment systems and ecological pond etc..Will according to receiving water body function
Ask, with reference to rural area economic situation, infrastructure, the complete situation of natural environmental condition and draining whereabouts etc., selection is adapted to work as
The treatment technology on ground.Septic tank is a kind of place for utilizing precipitation and anaerobic fermentation theory, removing suspended organic matter in sanitary sewage
Facility is managed, belongs to primary transition sexual life processing structures.Contain substantial amounts of excrement, paper scrap and protozoon in sanitary sewage,
Sewage enters septic tank by certain time precipitation, anaerobic fermentation, can remove suspension, the organic matter in sludge is decomposed into surely
Fixed inorganic matter.
Although existing rural area septic tank using three-grid septic tank can effectively release night soil-treatment problem, problem of environmental pollution,
The problems such as enteric infectious disease multiplies problem and stink with parasitic disease problem, fly maggot, but seepage, installation inconvenience are still suffered from, and
When clearing up septic tank, it is necessary to which staff enters septic tank, great life potential safety hazard be present.
Utility model content
Technical problem to be solved in the utility model be existing rural area septic tank easy to leak, it is brick construct the cycle length, and
When clearing up septic tank, it is necessary to which staff enters septic tank, great life potential safety hazard be present, and it is an object of the present invention to provide efficiently
Stable rural domestic sewage treating device, it is a kind of by each functional module combined septic tank, easy for installation, antiseep, and
It is easy to staff to clear up septic tank, reduces processing risk.
The utility model is achieved through the following technical solutions：
Efficient stable rural domestic sewage treating device, including fixing groove and the top cover located at fixing groove openend；It is described
Fermentation vat is arranged with by retaining element in fixing groove, crosses manure pit and manure storage pond；It is grading that the side wall of the fixing groove is provided with one
Water pipe, the side wall of the fermentation vat are provided with two level water inlet pipe, the fermentation vat and cross in relative side wall between manure pit, cross excrement
Conduit is equipped between pond and manure storage pond in relative side wall, is additionally provided with one-level drainpipe in the side wall in the manure storage pond, and with
The be relatively fixed side wall of groove of manure storage pond is provided with Municipal secondary effluent pipe；Between the one-level water inlet pipe and two level water inlet pipe, ferment
Between the conduit in pond and the conduit for crossing manure pit, cross between the conduit of manure pit and the conduit in manure storage pond and one-level drainpipe and two
It is detachably connected between level drainpipe by sealed connecting component.
The chamber that fixing groove of the present utility model and top cover are formed is used as septic tank integral outer structure, play antiseep with
Fixed each fermentation vat, the effect for crossing manure pit and manure storage pond；Fermentation vat, excessively manure pit and manure storage pond are septic tank internal structure, with consolidating
Determine the detachably connectable setting of groove, and between the one-level water inlet pipe and two level water inlet pipe, the conduit of fermentation vat and cross leading for manure pit
Between pipe, cross manure pit conduit and manure storage pond conduit between and one-level drainpipe and Municipal secondary effluent pipe between by close
Envelope connector is detachably connected, and is easy to user or staff that each processing pond (refer to fermentation vat, cross manure pit and manure storage pond) is single
Installation, meanwhile, when needing to clear up each processing ponds such as manure storage pond, it is only necessary to alignment processing pond is sling into taking-up, toppled over i.e.
Can.One kind is formed by each functional module combined septic tank, easy for installation, antiseep, and is easy to staff's cleaningization excrement
Pond, reduce processing risk.
Preferably, the retaining element is spacing slide rail of the projection on fixing groove madial wall, the axle of the spacing slide rail
Line direction is vertical with the ground of fixing groove；The fermentation vat, cross on the lateral wall in manure pit and manure storage pond be equipped with it is described spacing
The limit sliding chutes that slide rail is adapted.
By limit sliding chutes on the spacing slide rail and each processing pond on fixing groove inwall it is mutually embedding and, can prevent because of ground
Fall into, the soil is porous etc. for part reason causes each processing pond in fixing groove internal shift, influence each connecting line normally connection and sewage
Conveying；Ensure that fermentation vat, manure pit and manure storage pond excessively are spaced apart placement in fixing groove by setting simultaneously, be easy to one-level water inlet pipe
Between two level water inlet pipe, the conduit of fermentation vat and cross manure pit conduit between, cross manure pit conduit and manure storage pond conduit it
Between and one-level drainpipe and Municipal secondary effluent pipe between connected by sealed connecting component.
Preferably, lifting snap ring is provided with the limit sliding chutes.
By setting lifting snap ring in limit sliding chutes, staff is facilitated to lift by crane snap ring as lifting connecting portion, will
Taking-up is played in fermentation vat, excessively manure pit or manure storage pond.
Preferably, outside the mouth of pipe of the one-level water inlet pipe, two level water inlet pipe, conduit, one-level drainpipe and Municipal secondary effluent pipe
Wall circumferentially caves inward in annular groove；The sealed connecting component main body is that two axial directions open up reeded semicylinder, described half
Cylindrical hinge is connected and fixed by hold-down bolt；The diameter of two semicylinder grooves is more than above-mentioned each pipe diameter；It is described
The position limiting convex ring being adapted to the annular groove is convexly equipped with corresponding to the both ends of semicylinder axial direction on groove inner wall, on the position limiting convex ring
Provided with caulking gum.
In use, two semicylinders are pressed abd fixed on by two pipe mouth of pipe junctions by hold-down bolt, it is now spacing
Interference fits between caulking gum and annular groove on bulge loop, formed and be tightly connected.And the sealed connecting component is simple in construction, is easy to
Installation and removal.Spacing ring is set to be advantageous to prevent each connecting tube from being slipped by sealed connecting component.
Preferably, the second sealing ring, second sealing are circumferentially also convexly equipped with the groove inner wall of the semicylinder
Enclose for compressing two mouth of pipe junctions.
By setting the second sealing ring, two semicylinders are pressed abd fixed on by two pipe mouths of pipe by hold-down bolt and connected
Place, now the second sealing ring and two pipe mouth of pipe junctions further can prevent sewage from existing in interference fits sealing impaction state
Seepage at connecting tube.
Preferably, the one-level water inlet pipe, two level water inlet pipe, conduit, one-level drainpipe and Municipal secondary effluent Guan Jun be not using
Become rusty steel metal hose.
Using flange-connection stainless steel metal flexible pipe, while corrosion is prevented, it is also convenient for fermentation vat, crosses the installation in manure pit and manure storage pond
Dismounting, and be easy to one-level water inlet pipe and two level water inlet pipe, fermentation vat conduit and cross manure pit conduit, cross manure pit conduit and manure storage pond
It is attached between conduit, one-level drainpipe and Municipal secondary effluent pipe by sealed connecting component.
Preferably, it is equipped with waterproofing protection cover plate on the fermentation vat, mistake manure pit and manure storage pond.
Waterproofing protection cover plate is set, is mainly used for ensureing that fermentation vat, manure pit and manure storage pond excessively form each independent dirt
Water treatment space；It can also prevent rain sewage from entering fermentation vat, crossing in manure pit or manure storage pond simultaneously, influence treatment effect.
Preferably, the outer integration of the waterproofing protection cover plate on the fermentation vat is convexly equipped with column vent plug, the column vent plug
On offer the ventilation main channel connected with fermentation vat and branched bottom, the exhaust outlet of the branched bottom is located at column vent plug
Side wall on；The top cover is provided with exhaust passage.
During due to carrying out fermentation process to the sewage containing excrement in fermentation vat, more biogas can be produced, if not in time will
Biogas in fermentation vat is discharged, then easily makes to form hyperbaric environment in fermentation vat, influence sewage from one-level water inlet pipe and two level
Water inlet pipe enters fermentation vat continuing fermentation, at the same fermentation vat and the more biogas of fixing groove memory storage easily trigger fire explosion,
Or the dangerous hidden danger such as staff's poisoning.The utility model can be timely and effectively by natural pond by column vent plug and exhaust passage
Gas is discharged, while can also prevent rain sewage from entering in fermentation vat.
Preferably, observation is provided with the top cover and with crossing the relative opening position of manure pit to cover.
Observation lid is opened up on top cover is mainly easy to staff to be seen at any time to fermentation vat, excessively manure pit or manure storage pond
Survey, without top cover is integrally opened.
Preferably, the fixing groove, top cover, fermentation vat, manure pit and manure storage pond excessively are made of fiberglass.
The utility model compared with prior art, has the following advantages and advantages：
1st, the utility model efficient stable rural domestic sewage treating device, fixing groove of the present utility model and top cover are formed
Chamber be used as septic tank integral outer structure, play a part of antiseep and fixed each fermentation vat, cross manure pit and manure storage pond；Hair
Ferment pond, to cross manure pit and manure storage pond be septic tank internal structure, and the detachably connectable setting of fixing groove, and the one-level water inlet pipe with
Between two level water inlet pipe, the conduit of fermentation vat and cross manure pit conduit between, cross manure pit conduit and manure storage pond conduit between,
And be detachably connected between one-level drainpipe and Municipal secondary effluent pipe by sealed connecting component, it is easy to user or staff will
Each single installation of processing pond, meanwhile, when needing to clear up each processing ponds such as manure storage pond, it is only necessary to sling alignment processing pond and take
Go out, toppled over.One kind is formed by each functional module combined septic tank, easy for installation, antiseep, and is easy to work
Personnel clear up septic tank, reduce processing risk.
2nd, the utility model efficient stable rural domestic sewage treating device, by the spacing slide rail on fixing groove inwall and
Limit sliding chutes in each processing pond it is mutually embedding and, can prevent that each processing pond is solid caused by the soil is porous etc. earth subsidence, part reason
Determine groove internal shift, influence each connecting line normally connection and sewage transport；Fermentation vat is ensured simultaneously, crosses manure pit and manure storage pond solid
Determine to be spaced apart placements by setting in groove, be easy between one-level water inlet pipe and two level water inlet pipe, the conduit of fermentation vat and mistake manure pit
Conduit between, cross between the conduit of manure pit and the conduit in manure storage pond and between one-level drainpipe and Municipal secondary effluent pipe it is logical
Cross sealed connecting component connection；
3rd, the utility model efficient stable rural domestic sewage treating device, in use, by hold-down bolt by two and half
Cylinder is pressed abd fixed on two pipe mouth of pipe junctions, now interference fits between the caulking gum and annular groove on position limiting convex ring,
Formed and be tightly connected.And the sealed connecting component is simple in construction, is easily installed and dismantles.Spacing ring is set to be advantageous to prevent each company
Adapter is slipped by sealed connecting component；By setting the second sealing ring, two semicylinders are pressed abd fixed on by hold-down bolt
Two pipe mouth of pipe junctions, now the second sealing ring and two pipe mouth of pipe junctions can be entered in interference fits sealing impaction state
One step prevents sewage seepage at connecting tube；
4th, the utility model efficient stable rural domestic sewage treating device, using flange-connection stainless steel metal flexible pipe, corruption is being prevented
While erosion, it is also convenient for fermentation vat, crosses manure pit and the installing/dismounting in manure storage pond, and is easy to one-level water inlet pipe and two level to intake
Pipe, fermentation vat conduit and manure pit conduit is crossed, crosses between manure pit conduit and manure storage pond conduit, one-level drainpipe and Municipal secondary effluent pipe and leads to
Sealed connecting component is crossed to be attached；
5th, the utility model efficient stable rural domestic sewage treating device, due to entering in fermentation vat to the sewage containing excrement
During row fermentation process, more biogas can be produced, if not in time being discharged the biogas in fermentation vat, is easily made in fermentation vat
Form hyperbaric environment, influence sewage and enter fermentation vat continuing fermentation from one-level water inlet pipe and two level water inlet pipe, at the same fermentation vat with
And the more biogas of fixing groove memory storage easily triggers fire explosion or the dangerous hidden danger such as staff is poisoned.The utility model
Timely and effectively biogas can be discharged by column vent plug and exhaust passage, while can also prevent rain sewage from entering fermentation
In pond.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is that the utility model faces cross section structure schematic diagram；
Fig. 2 is the utility model top view cross section structural representation；
Fig. 3 is the utility model sealed connecting component cross section structure schematic diagram.
Mark and corresponding parts title in accompanying drawing：1- fixing grooves, 2- top covers, 3- retaining elements, 4- fermentation vats, 5- mistakes
Manure pit, 6- manure storages pond, 7- one-level water inlet pipes, 8- two level water inlet pipes, 9- conduits, 10- one-level drainpipes, 11- Municipal secondary effluent pipes,
12- sealed connecting components, the spacing slide rails of 13-, 14- limit sliding chutes, 15- lifting snap rings, 16- annular grooves, 17- semicylinders, 18- are spacing
Bulge loop, 19- caulking gums, the sealing rings of 20- second, 21- waterproofing protection cover plates, 22- column vent plugs, 23- exhaust passages, 24- are seen
Cha Gai, 25- steam vent.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1
As shown in figure~3, the utility model provides a kind of efficient stable rural domestic sewage treating device, including profile
Fixing groove 1 for rectangular parallelepiped structure and the top cover 2 for covering in the openend of fixing groove 1.The interior edge long axis direction of fixing groove 1 passes through fixation
Element 3 is arranged with fermentation vat 4, crosses manure pit 5 and manure storage pond 6 successively.Integrated welding is connected to one-level water inlet pipe in the side wall of fixing groove 1
7, integrated welding is connected to two level water inlet pipe 8 in the side wall of fermentation vat 4, fermentation vat 4 and crosses in relative side wall between manure pit 5, mistake
Equal integration is welded with conduit 9 in relative side wall between manure pit 5 and manure storage pond 6, and integration welding is gone back in the side wall in manure storage pond 6
Municipal secondary effluent pipe 11 is equipped with provided with one-level drainpipe 10, and with the integrated welding in the side wall of groove 1 that is relatively fixed of manure storage pond 6.
Between one-level water inlet pipe 7 and two level water inlet pipe 8, the conduit 9 of fermentation vat 4 and cross manure pit 5 conduit between, cross manure pit 5 conduit
It is removable by sealed connecting component 12 between the conduit in manure storage pond 6 and between one-level drainpipe 10 and Municipal secondary effluent pipe 11
Unload connection.
Embodiment 2
Further improved on the basis of embodiment 1, the retaining element 3 is projection the two of the long axis direction of fixing groove 1
Individual relative inner wall upper limit slide rail 13, shares 12 spacing slide rails 13, and fermentation vat 4, excessively manure pit 5 and manure storage pond 6 pass through
Four symmetrically arranged spacing slide rails 13 are fixed, and the axis direction of spacing slide rail 13 is vertical with the ground of fixing groove 1.Fermentation vat 4,
The limit sliding chutes 14 for being equipped with and being adapted with the spacing slide rail 13 are crossed on manure pit 5 and the lateral wall in manure storage pond 6, each spacing cunning
Groove 14 can accommodate spacing slide rail 13 corresponding to two.It is provided with limit sliding chutes 14 and between two spacing slide rails 13
Elevator ring 15.
Embodiment 3
Further improved on the basis of embodiment 2, the one-level water inlet pipe 7, two level water inlet pipe 8, conduit 9, one-level row
The mouth of pipe outer wall of water pipe 10 and Municipal secondary effluent pipe 11 circumferentially caves inward to be opened up in annular groove 16, the main body of sealed connecting component 12 for axial direction
Reeded two semicylinders 17, semicylinder 17 are articulated and connected and fixed by hold-down bolt.Two semicylinders 17 are recessed
The diameter of groove is more than above-mentioned each pipe diameter, is convexly equipped with and the annular groove 16 on groove inner wall corresponding to 17 axial both ends of semicylinder
The position limiting convex ring 18 of adaptation, position limiting convex ring 18 are provided with caulking gum 19.It is circumferentially also convex on the groove inner wall of semicylinder 17
Provided with the second sealing ring 20, the second sealing ring 20 is used to compress two mouth of pipe junctions.One-level water inlet pipe 7, two level water inlet pipe 8,
Conduit 9, one-level drainpipe 10 and Municipal secondary effluent pipe 11 use stainless steel metal hose.
Embodiment 4
Further improved on the basis of embodiment 3, the fermentation vat 4, be equipped with waterproof on manure pit 5 and manure storage pond 6 excessively
Cover sheet 21.21 outer integration of waterproofing protection cover plate on fermentation vat 4 is convexly equipped with column vent plug 22, is opened up on column vent plug 22
Have and be located at column vent plug 22 with the ventilation main channel connected in fermentation vat 4 and branched bottom, the exhaust outlet of the branched bottom
In side wall；The top cover 2 is provided with exhaust passage 23.On top cover 2 and the opening position relative with crossing manure pit 5 is provided with observation lid 24.
Embodiment 5
Further improved on the basis of embodiment 4, the fixing groove 1, top cover 2, excessively fermentation vat 4, manure pit 5 and manure storage pond
6 are made of fiberglass.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (10)
1. efficient stable rural domestic sewage treating device, it is characterised in that opened including fixing groove (1) and located at fixing groove (1)
The top cover (2) at mouth end；Fermentation vat (4) is arranged with by retaining element (3) in the fixing groove (1), crosses manure pit (5) and manure storage pond
(6)；The side wall of the fixing groove (1) is provided with one-level water inlet pipe (7), and the side wall of the fermentation vat (4) is intake provided with two level
Manage (8), the fermentation vat (4) and cross in relative side wall between manure pit (5), be excessively relative between manure pit (5) and manure storage pond (6)
Conduit (9) is equipped with side wall, is additionally provided with one-level drainpipe (10) in the side wall of the manure storage pond (6), and with manure storage pond (6) phase
To the side wall of fixing groove (1) be provided with Municipal secondary effluent pipe (11)；Between the one-level water inlet pipe (7) and two level water inlet pipe (8),
Between the conduit (9) of fermentation vat (4) and the excessively conduit of manure pit (5), excessively between the conduit of manure pit (5) and the conduit of manure storage pond (6),
And it is detachably connected between one-level drainpipe (10) and Municipal secondary effluent pipe (11) by sealed connecting component (12).
2. efficient stable rural domestic sewage treating device according to claim 1, it is characterised in that the retaining element
(3) it is spacing slide rail (13) of the projection on fixing groove (1) madial wall, the axis direction and fixing groove of the spacing slide rail (13)
(1) ground is vertical；The fermentation vat (4), it is equipped with and the spacing cunning on the lateral wall of manure pit (5) and manure storage pond (6) excessively
The limit sliding chutes (14) that rail (13) is adapted.
3. efficient stable rural domestic sewage treating device according to claim 2, it is characterised in that the limit sliding chutes
(14) lifting snap ring (15) is provided with.
4. efficient stable rural domestic sewage treating device according to claim 1, it is characterised in that the one-level water inlet
The mouth of pipe outer wall for managing (7), two level water inlet pipe (8), conduit (9), one-level drainpipe (10) and Municipal secondary effluent pipe (11) is circumferentially inside
Depression is in annular groove (16)；Sealed connecting component (12) main body is that two axial directions open up reeded semicylinder (17), described
Semicylinder (17) is articulated and connected and fixed by hold-down bolt；The diameter of two semicylinder (17) grooves is more than above-mentioned each pipe
Diameter；Corresponding to the axial both ends of the semicylinder (17) limit convex being adapted to the annular groove (16) is convexly equipped with groove inner wall
Ring (18), the position limiting convex ring (18) are provided with caulking gum (19).
5. efficient stable rural domestic sewage treating device according to claim 4, it is characterised in that the semicylinder
(17) the second sealing ring (20) is circumferentially also convexly equipped with groove inner wall, second sealing ring (20) is used to compress two pipes
Mouth junction.
6. efficient stable rural domestic sewage treating device according to claim 1, it is characterised in that the one-level water inlet
Pipe (7), two level water inlet pipe (8), conduit (9), one-level drainpipe (10) and Municipal secondary effluent pipe (11) use stainless steel metal
Flexible pipe.
7. efficient stable rural domestic sewage treating device according to claim 1, it is characterised in that the fermentation vat
(4), cross on manure pit (5) and manure storage pond (6) and be equipped with waterproofing protection cover plate (21).
8. efficient stable rural domestic sewage treating device according to claim 7, it is characterised in that the fermentation vat
(4) waterproofing protection cover plate (21) outer integration on is convexly equipped with column vent plug (22), offered on the column vent plug (22) with
The ventilation main channel of connection and branched bottom, the exhaust outlet of the branched bottom are located at column vent plug (22) in fermentation vat (4)
In side wall；The top cover (2) is provided with exhaust passage (23).
9. efficient stable rural domestic sewage treating device according to claim 1, it is characterised in that the top cover (2)
Upper and relative with crossing manure pit (5) opening position is provided with observation lid (24).
10. efficient stable rural domestic sewage treating device according to claim 1, it is characterised in that the fixing groove
(1), top cover (2), fermentation vat (4), manure pit (5) and manure storage pond (6) excessively are made of fiberglass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720901945.XU CN206927687U (en) | 2017-07-24 | 2017-07-24 | Efficient stable rural domestic sewage treating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720901945.XU CN206927687U (en) | 2017-07-24 | 2017-07-24 | Efficient stable rural domestic sewage treating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206927687U true CN206927687U (en) | 2018-01-26 |
Family
ID=61355183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720901945.XU Active CN206927687U (en) | 2017-07-24 | 2017-07-24 | Efficient stable rural domestic sewage treating device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206927687U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107253760A (en) * | 2017-07-24 | 2017-10-17 | 李华 | Domestic sewage in rural areas integrated processing system |
-
2017
- 2017-07-24 CN CN201720901945.XU patent/CN206927687U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107253760A (en) * | 2017-07-24 | 2017-10-17 | 李华 | Domestic sewage in rural areas integrated processing system |
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