CN206720765U - Sewage disposal device - Google Patents
Sewage disposal device Download PDFInfo
- Publication number
- CN206720765U CN206720765U CN201720251878.1U CN201720251878U CN206720765U CN 206720765 U CN206720765 U CN 206720765U CN 201720251878 U CN201720251878 U CN 201720251878U CN 206720765 U CN206720765 U CN 206720765U
- Authority
- CN
- China
- Prior art keywords
- groove
- casing
- sewage disposal
- disposal device
- sand layer
- 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 - Fee Related
Links
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a kind of sewage disposal device, including the first casing, the first groove of opening upwards is provided with first casing, the second casing is installed in the first groove, the second groove of opening upwards is provided with the second casing；Boulder bed, rough sand layer, fine sand layer, loess formation have been sequentially filled in second groove from bottom to top；The bottom land of second groove is provided with the first through hole of the first groove of multiple connections and the second groove；The side wall of first groove is communicated with the first delivery port of the first groove；The upper end open of second groove is positioned vertically higher than the first delivery port；The utility model cost is low, easy to operate, practical, Modulatory character is strong, sewage treating material wide material sources, according to soil sanitation principle, simple and effective purified treatment has been carried out to sewage, has realized the cleaning of debris in sewage, partial impurities and heavy metal particles.
Description
Technical field
It the utility model is related to sewage purification field, more particularly to a kind of sewage disposal device.
Background technology
Certain sewage can be produced in life and in the production of small-scale operation, because sewage quantity is small, the pollution of sewage
Degree is relatively low, is typically directly discharged by sewer, causes the obstruction of sewer, effluent part be poured directly on road surface or
Environmental pollution is caused in neighbouring river, conventional sewage disposal device cost is high, is not suitable for simple sewage disposal.
Utility model content
The utility model for above-mentioned deficiency provide a kind of cost is low, easy to operate, practical, Modulatory character is strong,
The sewage disposal device of sewage treating material wide material sources, the utility model have carried out letter according to soil sanitation principle to sewage
Single effective purified treatment, realizes the cleaning to debris, partial impurities and heavy metal particles in sewage.
To solve the above problems, a kind of sewage disposal device, its technical characterstic are：Including the first casing, first case
The first groove of opening upwards is provided with vivo, and the second casing is installed in the first groove, the second of opening upwards are provided with the second casing
Groove；Boulder bed, rough sand layer, fine sand layer, loess formation have been sequentially filled in second groove from bottom to top；The bottom land of second groove
First through hole provided with the first groove of multiple connections and the second groove；The side wall of first groove is communicated with the first water outlet of the first groove
Mouthful；The upper end open of second groove is positioned vertically higher than the first delivery port.
Waste water is entered in the second groove by the second groove upper end open, along the second groove it is defluent during pass through successively
Loess formation, fine sand layer, rough sand layer, boulder bed, realize layering, and the waste water after filtering enters the first groove by first through hole
After interior, current slow down, and the impurity in waste water realizes partly precipitated in the first groove, and the waste water after finally precipitating passes through the first water outlet
Mouthful discharge, the upper end open of the second groove are the entrances of waste water, and the first delivery port is outlet of the waste water after processing, this dress
Put in use, the gravitional force of the upper end open of the second groove is higher than the gravitional force of the first delivery port, so as to ensure waste water at this
Proper flow in device, the composition particle of boulder bed is larger cobble, therefore will not pass through first through hole stream with waste water
Enter into the second through hole.
As an improvement, also include the 3rd casing, the 3rd casing is provided with the 3rd groove of opening upwards, affixed in the 3rd groove
There is the 4th casing, the 4th groove of opening upwards is provided with the 4th casing, the 4th wall box is communicated with entering for the 4th groove
The mouth of a river, water inlet are connected with the first delivery port by water pipe, and boulder bed, rough sand have been sequentially filled from bottom to top in the 4th groove
Layer, fine sand layer, loess formation；The bottom land of 4th groove is provided with the second through hole of the 3rd groove of multiple connections and the 4th groove；Described
The side wall of three grooves is communicated with the second delivery port of the 3rd groove；The upper end open of 4th groove is positioned vertically higher than second
Delivery port.
The use of 3rd casing and the 4th casing and its connection member is used for the further purified treatment of waste water, by the
Waste water after one casing and the processing of the second casing is entered in water inlet by water pipe by the first delivery port, is entered by water inlet
Through loess formation, fine sand layer, the rough sand being filled in the 4th groove successively into the 4th groove, when waste water flows downward in the 4th groove
Layer, the filtering of boulder bed, are finally entered in the 3rd groove by the second through hole, and the waste water after filtering carries out of short duration in the 3rd groove
After contamination precipitation, discharged by the second delivery port, so as to realize the further purified treatment of waste water, enhance the power of purification of waste water
Degree.
As an improvement, first partition is provided with second groove between boulder bed and rough sand layer, rough sand in second groove
Second partition is provided between layer and fine sand layer, is provided with the 3rd dividing plate in second groove between fine sand layer and loess formation, described the
One dividing plate, second partition, multiple third through-holes are respectively equipped with the 3rd dividing plate.
First partition is used to separate boulder bed and rough sand layer, second partition for separating rough sand layer and fine sand layer, the 3rd every
Plate is used to separate fine sand layer and loess formation, when preventing waste water by loess formation, fine sand layer, rough sand layer, boulder bed filtering, constituent
The less loess formation of particle, fine sand layer are entered in other filter layers so as to cause the loss of filtering material with current, and first
Dividing plate, second partition, the third through-hole that is respectively equipped with the 3rd dividing plate are used to ensure flowing of the waste water in the second groove.
As an improvement, the retainer ring with the inserting connection of the second casing, the side of the second casing are connected with first casing
Wall is provided with limited block, and the second casing is inserted into retainer ring and the position of vertical direction is limited by limited block.
Second casing is connected on the first casing by retainer ring inserting, and limited block is socketed in the side wall of the second casing and used
, in use, often after a while can be to second in limiting position of second casing relative to the first casing in the vertical direction
The filtering material of filling in casing（Including loess formation, fine sand layer, rough sand layer, boulder bed）Cleaning replacing is carried out, inserts connection
First casing and the convenient cleaning work with the second casing of retainer ring.
As an improvement, the side wall of second casing is provided with charging port, charging port is provided with the enclosing cover of snap fit therewith.
Charging port is used to fill, change filtering material, is covered charging port by enclosing cover after the completion of filling, replacing, real
The replacing enhanced convenience of existing filtering material.
As an improvement, the second groove inwall is provided with baffle plate, it is placed with to slide in vertical direction with the second groove on baffle plate and matches somebody with somebody
The adjusting part of conjunction.
Adjusting part is used to adjust the current size for flowing to filtering material, and current are excessive to easily cause filter effect variation,
Current are too small, can cause the water increase for flowing to adjusting part, so as to cause waste water to be overflowed from the second groove upper end open, regulation group
Part is to be slidably matched and supported by baffle plate with the second groove, so that adjusting part convenient disassembly.
As an improvement, the adjusting part includes the upper plate and lower plate of rotation connection, upper plate is placed on baffle plate and with the
Two grooves are slidably matched in vertical direction, and upper plate is provided with upper shed, and correspondence position is provided with shape, size identical therewith in lower plate
Under shed.
Adjusting part is realized to passing through adjusting part by the correspondence position of upper shed and under shed in the vertical direction
Current size is adjusted, and as lower plate is relative to the rotation with upper plate, adjusting part forms three kinds of states, when upper shed is opened with
When mouth staggers completely, upper shed does not have corresponding part with shed in vertical direction, and adjusting part is in fully closed condition, when
When upper shed is staggered with shed part, adjusting part is in partially open state, when upper shed with shed in vertical direction
On completely to it is corresponding when adjusting part be in fully open state, by rotating lower plate, the adjusting part that makes closure state with it is complete
Changed between full open state, so as to realize the function of regulation current.
As an improvement, four ends of the upper plate have been respectively and fixedly connected with the first pole, the top of the first pole is fixed in and second
For groove on the 4th dividing plate that vertical direction is slidably matched, the 4th dividing plate is provided with multiple fourth holes.
4th dividing plate is used to filter out the larger debris of the volume adulterated in waste water, prevents debris to be deposited on filtering material
And obstruction is formed, debris is deposited on the 4th dividing plate, when reaching to a certain degree, it is only necessary to remove the 4th dividing plate and clean out
Use is put back to, the continuation for realizing the present apparatus uses.
As an improvement, the upper surface of the 4th dividing plate is connected with multiple second poles vertically.
Debris easy blocking via hole when being accumulated on the 4th dividing plate, so as to cause current not smooth, influence the efficiency of filtering, resistance
Plug seriously without timely being cleared up when, waste water can be overflowed out of second groove so as to influence the environmental sanitation of surrounding, second
Pole can carry out a supporting role to falling on the debris on the 4th dividing plate by current so that between debris and first partition
Certain gap is formed, so as to prevent through hole to be blocked, ensure that the 4th dividing plate again will not be easily while debris is filtered
Form obstruction.
As an improvement, the upper surface of the 4th dividing plate is connected with handle.
4th dividing plate with adjusting part is spaced be vertically connected with together with, said two devices are inserted into the second groove, use
When the 4th dividing plate for a period of time with regard to need cleared up, handle be used for facilitate people to operate so that the dismounting of the 4th dividing plate is more
It is convenient.
In summary, the utility model cost is low, easy to operate, practical, Modulatory character is strong, sewage treating material is next
Source is extensive, according to soil sanitation principle, has carried out simple and effective purified treatment to sewage, has realized debris in sewage, part
The cleaning of impurity and heavy metal particles.
Brief description of the drawings
The utility model is described in further details below in conjunction with the accompanying drawings；
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model overall structure top view；
Fig. 3 is the box structure diagram of the utility model second；
Fig. 4 is the utility model the second casing sectional view；
Fig. 5 is the dividing plate of the utility model the 4th and adjusting part structural representation；
Fig. 6 is the utility model adjusting part part connection diagram.
Embodiment
A kind of sewage disposal device as depicted, including the first casing 1, first casing 1 is interior to be provided with opening upwards
The first groove 2, the second casing 3 is installed in first groove 2, the second groove 4 of opening upwards is provided with the second casing 3；Described second
Boulder bed, rough sand layer, fine sand layer, loess formation have been sequentially filled in groove 4 from bottom to top；The bottom land of second groove 4 is provided with multiple
Connect the first through hole 5 of the first groove 2 and the second groove 4；The side wall of first groove 2 is communicated with the first delivery port of the first groove 2
6；The upper end open of second groove 4 is positioned vertically higher than the first delivery port 6, and waste water is entered by the second groove upper end open
Into the second groove, along the second groove it is defluent during successively by loess formation, fine sand layer, rough sand layer, boulder bed, realize layer
Layer filtering, after the waste water after filtering is entered in the first groove by first through hole, current slow down, and the impurity in waste water is in the first groove
Partly precipitated is inside realized, the waste water after finally precipitating is discharged by the first delivery port, and the upper end open of the second groove is entering for waste water
Mouthful, the first delivery port is outlet of the waste water after processing, and the present apparatus is in use, the gravitational potential of the upper end open of the second groove
The gravitional force of the first delivery port can be higher than, so as to ensure proper flow of the waste water in the present apparatus, the composition particle of boulder bed
For larger cobble, therefore will not be flowed into waste water in the second through hole by first through hole.
In the utility model, in addition to the 3rd casing 7, threeth groove 8 of the 3rd casing 7 provided with opening upwards, the 3rd
The 4th casing 9 is connected with groove 8, the 4th groove 10 of opening upwards is provided with the 4th casing 9, the side wall of the 4th casing 9 is provided with
The water inlet 11 of the 4th groove 10 is connected, water inlet 11 is connected with the first delivery port 6 by water pipe, from lower past in the 4th groove 10
On be sequentially filled boulder bed, rough sand layer, fine sand layer, loess formation；The bottom land of 4th groove 10 is provided with the 3rd groove 8 of multiple connections
With the second through hole 12 of the 4th groove 10；The side wall of 3rd groove 8 is communicated with the second delivery port 13 of the 3rd groove 8；Described
The upper end open of four grooves 10 is positioned vertically higher than the second delivery port 13, the 3rd casing and the 4th casing and its connection member
Using for the further purified treatment to waste water, waste water after the first casing and the processing of the second casing is by water pipe by the
One delivery port is entered in water inlet, is entered by water inlet in the 4th groove, when waste water flows downward in the 4th groove successively
By the filtering of the loess formation, fine sand layer, rough sand layer, boulder bed that are filled in the 4th groove, finally entered by the second through hole
In 3rd groove, after the waste water after filtering carries out of short duration contamination precipitation in the 3rd groove, discharged by the second delivery port, so as to realize
The further purified treatment of waste water, enhance the dynamics of purification of waste water.
In the utility model, first partition 14, second groove are provided with second groove 4 between boulder bed and rough sand layer
Be provided with second partition 15 in 4 between rough sand layer and fine sand layer, be provided with second groove 4 between fine sand layer and loess formation the 3rd every
Plate 16, the first partition 14, second partition 15, multiple third through-holes 17 are respectively equipped with the 3rd dividing plate 16, first partition is used
In separating boulder bed and rough sand layer, second partition is used to separating rough sand layer and fine sand layer, the 3rd dividing plate be used to separating fine sand layer with
Loess formation, when preventing waste water by loess formation, fine sand layer, rough sand layer, boulder bed filtering, the less loess formation of composition composition granule,
Fine sand layer is entered in other filter layers so as to cause the loss of filtering material, first partition, second partition, the 3rd with current
The third through-hole being respectively equipped with dividing plate is used to ensure flowing of the waste water in the second groove.
In the utility model, be connected with first casing 1 with the second casing 3 inserting connection retainer ring 18, second
The side wall of casing 3 is provided with limited block 19, and the second casing 3 is inserted into retainer ring 18 and the position of vertical direction is limited by limited block 19
Put, the second casing is connected on the first casing by retainer ring inserting, and limited block, which is socketed in the side wall of the second casing, to be used to limit
The second casing, in use, often after a while can be to the second casing relative to the position of the first casing in the vertical direction calmly
The filtering material of interior filling（Including loess formation, fine sand layer, rough sand layer, boulder bed）Cleaning replacing is carried out, inserts the first of connection
Casing and the convenient cleaning work with the second casing of retainer ring.
In the utility model, the side wall of second casing 3 is provided with charging port 20, and charging port 20, which is provided with to clamp therewith, matches somebody with somebody
The enclosing cover 21 of conjunction, charging port are used to fill, change filtering material, are covered charging port by enclosing cover after the completion of filling, replacing,
Realize the replacing enhanced convenience of filtering material.
In the utility model, the inwall of the second groove 4 is provided with baffle plate 22, is placed with baffle plate 22 with the second groove 4 vertical
The adjusting part 23 that direction is slidably matched, adjusting part are used to adjust the current size for flowing to filtering material, and current are excessive easily
Filter effect is caused to be deteriorated, current are too small, can cause the water increase for flowing to adjusting part, so as to cause waste water from the second groove
End opening overflows, and adjusting part is to be slidably matched and supported by baffle plate with the second groove, so that adjusting part convenient disassembly.
In the utility model, the adjusting part 23 includes the upper plate 24 of rotation connection and lower plate 25, upper plate 24 are placed on
It is slidably matched on baffle plate 22 and with the second groove 4 in vertical direction, upper plate 24 is provided with upper shed 26, and correspondence position is set in lower plate 25
There are shape, size identical under shed 27 therewith, corresponding position of the adjusting part by upper shed with shed in the vertical direction
Realization is put to being adjusted by the current size of adjusting part, as lower plate is formed relative to the rotation with upper plate, adjusting part
Three kinds of states, when upper shed is staggered completely with shed, upper shed does not have corresponding part with shed in vertical direction, adjusts
Component is in fully closed condition, and when upper shed is staggered with shed part, adjusting part is in partially open state, when upper
Opening with shed in the vertical direction completely to it is corresponding when adjusting part be in fully open state, by rotating lower plate, make
Adjusting part is changed between closure state and fully open state, so as to realize the function of regulation current.
In the utility model, four ends of the upper plate 24 have been respectively and fixedly connected with the first pole 28, and the top of the first pole 28 is consolidated
It is connected on the second groove 4 on the 4th dividing plate 29 that vertical direction is slidably matched, the 4th dividing plate 29 is provided with multiple four-ways
Hole 30, the 4th dividing plate are used to filter out the larger debris of the volume adulterated in waste water, prevent debris be deposited on filtering material and
Obstruction is formed, debris is deposited on the 4th dividing plate, when reaching to a certain degree, it is only necessary to remove to clean out by the 4th dividing plate and putting
Use is returned, the continuation for realizing the present apparatus uses.
In the utility model, the upper surface of the 4th dividing plate 29 is connected with multiple second poles 31 vertically, and debris is
Easy blocking via hole when being accumulated on four dividing plates, so as to cause current not smooth, the efficiency of filtering is influenceed, severe obstruction is without obtaining
When timely clearing up, waste water can overflow so as to influence the environmental sanitation of surrounding out of second groove, and the second pole can be to passing through water
Wander to the debris on the 4th dividing plate and carry out a supporting role so that certain gap is formed between debris and first partition,
So as to prevent through hole to be blocked, the 4th dividing plate is ensure that while debris is filtered and does not easily cause obstruction.
In the utility model, the upper surface of the 4th dividing plate 29 is connected with handle 32, and the 4th dividing plate has with adjusting part
Interval is vertically connected with together, and said two devices are inserted into the second groove, and the 4th dividing plate just needs to carry out for a period of time during use
Cleaning, handle are used to facilitate people to operate so that the dismounting of the 4th dividing plate is more convenient.
Claims (10)
1. a kind of sewage disposal device, it is characterized in that：Including the first casing（1）, first casing（1）It is interior to be provided with opening upwards
The first groove（2）, the first groove（2）Second casing is inside installed（3）, the second casing（3）Interior the second groove provided with opening upwards
（4）；Second groove（4）Boulder bed, rough sand layer, fine sand layer, loess formation have inside been sequentially filled from bottom to top；Second groove
（4）Bottom land be provided with it is multiple connection the first groove（2）With the second groove（4）First through hole（5）；First groove（2）Side wall set
There is the first groove of connection（2）The first delivery port（6）；Second groove（4）Upper end open be positioned vertically higher than first and go out
The mouth of a river（6）.
2. a kind of sewage disposal device as claimed in claim 1, it is characterized in that：Also include the 3rd casing（7）, the 3rd case
Body（7）The 3rd groove provided with opening upwards（8）, the 3rd groove（8）Inside it is connected with the 4th casing（9）, the 4th casing（9）Interior be provided with is opened
The 4th upward groove of mouth（10）, the 4th casing（9）Side wall is communicated with the 4th groove（10）Water inlet（11）, water inlet
（11）With the first delivery port（6）Connected by water pipe, the 4th groove（10）Boulder bed, rough sand have inside been sequentially filled from bottom to top
Layer, fine sand layer, loess formation；4th groove（10）Bottom land be provided with it is multiple connection the 3rd groove（8）With the 4th groove（10）Second
Through hole（12）；3rd groove（8）Side wall be communicated with the 3rd groove（8）The second delivery port（13）；4th groove（10）
Upper end open be positioned vertically higher than the second delivery port（13）.
3. a kind of sewage disposal device as claimed in claim 2, it is characterized in that：Second groove（4）Middle boulder bed and rough sand
First partition is provided between layer（14）, second groove（4）Second partition is provided between middle rough sand layer and fine sand layer（15）, it is described
Second groove（4）The 3rd dividing plate is provided between middle fine sand layer and loess formation（16）, the first partition（14）, second partition（15）、
3rd dividing plate（16）On be respectively equipped with multiple third through-holes（17）.
4. a kind of sewage disposal device as claimed in claim 3, it is characterized in that：First casing（1）On be connected with and the
Two casings（3）Insert the retainer ring of connection（18）, the second casing（3）Side wall be provided with limited block（19）, the second casing（3）Inserting
In retainer ring（18）It is interior and by limited block（19）Limit the position of vertical direction.
5. a kind of sewage disposal device as claimed in claim 4, it is characterized in that：Second casing（3）Side wall be provided with fill out
Fill mouth（20）, charging port（20）It is provided with the enclosing cover of snap fit therewith（21）.
6. a kind of sewage disposal device as claimed in claim 5, it is characterized in that：Second groove（4）Inwall is provided with baffle plate
（22）, baffle plate（22）On be placed with and the second groove（4）In the adjusting part that vertical direction is slidably matched（23）.
7. a kind of sewage disposal device as claimed in claim 6, it is characterized in that：The adjusting part（23）Including rotation connection
Upper plate（24）With lower plate（25）, upper plate（24）It is placed on baffle plate（22）It is upper and with the second groove（4）It is slidably matched in vertical direction,
Upper plate（24）It is provided with upper shed（26）, lower plate（25）Upper correspondence position is provided with shape, size identical under shed therewith（27）.
8. a kind of sewage disposal device as claimed in claim 7, it is characterized in that：The upper plate（24）Four ends be respectively and fixedly connected with
First pole（28）, the first pole（28）Top be fixed in and the second groove（4）In the 4th dividing plate that vertical direction is slidably matched
（29）On, the 4th dividing plate（29）It is provided with multiple fourth holes（30）.
9. a kind of sewage disposal device as claimed in claim 8, it is characterized in that：4th dividing plate（29）Upper surface it is vertical
It is connected with multiple second poles（31）.
10. a kind of sewage disposal device as claimed in claim 9, it is characterized in that：4th dividing plate（29）Upper surface consolidate
It is connected to handle（32）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720251878.1U CN206720765U (en) | 2017-03-15 | 2017-03-15 | Sewage disposal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720251878.1U CN206720765U (en) | 2017-03-15 | 2017-03-15 | Sewage disposal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206720765U true CN206720765U (en) | 2017-12-08 |
Family
ID=60501991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720251878.1U Expired - Fee Related CN206720765U (en) | 2017-03-15 | 2017-03-15 | Sewage disposal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206720765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112569652A (en) * | 2020-11-23 | 2021-03-30 | 按钮科技(杭州)有限公司 | A supplementary cleaning device of sedimentation tank for water environmental protection |
-
2017
- 2017-03-15 CN CN201720251878.1U patent/CN206720765U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112569652A (en) * | 2020-11-23 | 2021-03-30 | 按钮科技(杭州)有限公司 | A supplementary cleaning device of sedimentation tank for water environmental protection |
| CN112569652B (en) * | 2020-11-23 | 2021-09-03 | 台州通升环保科技有限公司 | A supplementary cleaning device of sedimentation tank for water environmental protection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106554100B (en) | Oily water treatment equipment and treatment method thereof | |
| CN106948452A (en) | Catch-basin rain water pollutant cuts dirty facility and cuts dirty operating method | |
| CN108479188A (en) | Multilayer water conservancy diversion plate washer orients desilting sand discharge filter device and its method | |
| CN102630630A (en) | Water and dirt separating device | |
| CN208856958U (en) | A kind of efficient oil separator | |
| CN106930388A (en) | Unpowered rainwater runoff pollution thing cuts dirty facility and cuts dirty operating method | |
| CN106948453A (en) | Early-stage rainwater cuts dirty facility and cuts dirty operating method | |
| CN102515379B (en) | Integrated device for sewage pre-treatment in small mountainous town | |
| CN206720765U (en) | Sewage disposal device | |
| CN102302873A (en) | Oil impurity separating and treating device | |
| CN106215507B (en) | A kind of oil water separator | |
| CN204996208U (en) | Solid -liquid separator | |
| CN204873934U (en) | Oily water treatment device | |
| CN105084568B (en) | Oil-contained waste water treatment device and handling process | |
| CN201186173Y (en) | Sand and water separator | |
| CN208340289U (en) | A kind of tubular type desander | |
| CN215888526U (en) | Municipal administration sewage collection handles structure | |
| CN110002620A (en) | Spiral-flow filter | |
| CN207436235U (en) | Catch-basin rain water pollutant cuts dirty facility | |
| CN203977542U (en) | Floor drain | |
| CN207228301U (en) | Intercepting pollution for rainwater facility | |
| CN111777227A (en) | Sewage treatment formula drainage system for road | |
| CN219100284U (en) | Non-point source pollution processor | |
| CN220747180U (en) | Difficult drainage structures who blocks up | |
| CN206873608U (en) | Early-stage rainwater cuts dirty facility |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 Termination date: 20210315 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |