CN209651999U - A kind of multi-stage sewage filter device - Google Patents
A kind of multi-stage sewage filter device Download PDFInfo
- Publication number
- CN209651999U CN209651999U CN201821949849.3U CN201821949849U CN209651999U CN 209651999 U CN209651999 U CN 209651999U CN 201821949849 U CN201821949849 U CN 201821949849U CN 209651999 U CN209651999 U CN 209651999U
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- China
- Prior art keywords
- rose box
- filter
- sewage
- filter chamber
- metal mesh
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of multi-stage sewage filter devices, including the first Rose Box and the second Rose Box, the inside of first Rose Box is installed by partition, the inside of first filter chamber is equipped with the second metal mesh by supporting block, the first metal mesh is equipped with by supporting block inside the first filter chamber above second metal mesh, the inside of second filter chamber is equipped with filter cotton, first Rose Box side is above the ground placed with the second Rose Box, the inside of second Rose Box is equipped with activated carbon filter layer, is equipped with ultrafiltration membrane inside the second Rose Box below activated carbon filter layer.The utility model solves the problems, such as not thorough and sewage water filtration enough the higher cost of sewage water filtration by setting grid, the first metal mesh, the second metal mesh, strainer, filter cotton, activated carbon filter layer, ultrafiltration membrane, diversion pipe, the first Rose Box, the second filtering box structure.
Description
Technical field
The utility model relates to technical field of sewage, specially a kind of multi-stage sewage filter device.
Background technique
Sewage treatment: the mistake that a certain water body or the water quality requirement reused purify it is discharged into reach sewage
Journey.It is each that sewage treatment is widely used in building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and drink etc.
The daily life of common people is also come into field more and more.Surface water pollution is it is clear that the pollution of underground water is touching
Mesh is soul-stirring.In Chinese 1,300,000,000 populations, there is 70% Drinking Water, has a city more than 400 with underground water for drink in a city more than 660
Use water source.But it is introduced that, the urban groundwater in the whole nation 90% has been contaminated.Classify by sewage source, sewage treatment generally divides
For production sewage treatment and sanitary sewage disposal.Production waste includes trade effluent, rural sewage and medical sewage etc., and is given birth to
Sewage living is exactly the sewage that daily life generates, and refers to the complex mixture of various forms of inorganic matters and organic matter, comprising: drift
Size solid particle, glue and gel diffusate, pure solution floating and suspend.The utility model is specially a kind of multi-stage sewage
Filter device.
But there are deficiencies below for existing technology:
1, in existing social development, the content of sewage is higher and higher, and most important one in the link of sewage treatment
It is filtering, existing sewage processing filtering device is thorough not enough, sewage can not be carried out preferable filtration, purification；
2, the higher cost of sewage treatment in the prior art, and mechanization degree is complex, and special messenger is needed to keep an eye on place
Reason, so needing a kind of energy-saving sewage water filtration mode of low cost.
Summary of the invention
In view of the deficiencies of the prior art, the utility model provides a kind of multi-stage sewage filter device, solves sewage mistake
The problem of filtering not enough thorough and sewage water filtration higher cost.
To achieve the above object, the utility model provides the following technical solutions: a kind of multi-stage sewage filter device, including the
One Rose Box and the second Rose Box, the first Rose Box are placed in above the ground, and partition, partition one are installed in the inside of the first Rose Box
First Rose Box of side is internally provided with the first filter chamber, and the first Rose Box of the partition other side is internally provided with the second filtering
The inside of chamber, the first filter chamber is equipped with the second metal mesh by supporting block, inside the first filter chamber above the second metal mesh
The first metal mesh is installed by supporting block, the inside of the second filter chamber is equipped with filter cotton, the ground of the first Rose Box side
Top is placed with the second Rose Box, and the inside of the second Rose Box is equipped with activated carbon filter layer, and below activated carbon filter layer
Ultrafiltration membrane is installed inside two Rose Boxes.
Preferably, grid is equipped with by supporting block inside the first filter chamber above the first metal mesh, above grid
Water inlet pipe is installed on first Rose Box side wall.
Preferably, the aperture of aperture ratio the second metal net surface of the first metal net surface is big, the first filter chamber and second
The first Rose Box surface on the outside of filter chamber is all equipped with observation window, and the side of the second Rose Box bottom end is equipped with drainpipe.
Preferably, it is provided with through-hole on the inside of partition, through-hole is connected to the first filter chamber and the second filter chamber, and through-hole is located at the
On the inside of partition below two metal meshes and filter cotton, strainer is installed on the inside of through-hole.
Preferably, the first Rose Box side of the first filter chamber side is equipped with the first sewage pipe, the second filter chamber side
The first Rose Box side the second sewage pipe is installed, the surface of the first sewage pipe and the second sewage pipe is all equipped with control valve.
Preferably, mounting plate, the surface setting of mounting plate are installed inside the second Rose Box above activated carbon filter layer
Have diversion channel, triangle flow distribution plate be installed above mounting plate, the first Rose Box side above filter cotton by diversion pipe with
Second Rose Box connects, and the diversion pipe inside the second Rose Box is located at the surface of triangle flow distribution plate.
The utility model provides a kind of multi-stage sewage filter device, have it is following the utility model has the advantages that
(1) the utility model passes through setting grid, the first metal mesh, the second metal mesh, strainer, filter cotton, active carbon mistake
Filtering layer, ultrafiltration membrane make the utility model have multistage filtering mechanism, greatly improve to the filter capacity of sewage, filter effect obtains
To increase, the setting of multistage filtering completes the filtering of sewage once, without repeated filtration processing, thus effective solution dirt
Water filters not thorough enough problem, and when carrying out the filter operation of sewage, sewage is imported inside the first Rose Box from water inlet pipe
The first filter chamber inside, sewage flows into the first filter chamber bottom from top to bottom, through inside the first filter chamber grid carry out one
Secondary filtering stops bulky refuse and large-scale particulate matter, then carries out secondary filter through the first metal mesh, again by the particulate matter in sewage
It is primary to stop filtering, then filtered three times through the second metal mesh, the mistake of the pore size filter of the second metal mesh than the first metal mesh
Filter opening diameter is small, can stop particulate matter more smaller than the first metal mesh aperture, the bottom of the first filter chamber be finally entered, when first
When liquid level inside filter chamber is higher than the through-hole on the inside of partition, sewage passes through the strainer on the inside of through-hole and enters in the second filter chamber
Fine impurities are filtered in portion again, until sewage level covers through-hole, with the rising of sewage level, utilize the second filter chamber
Internal filter cotton carries out the 5th adsorption filtration, recycles diversion pipe to import in the second Rose Box, through in the second Rose Box
The shunting of the triangle flow distribution plate in portion, slows down the impact force of water flow, avoids loss filter structure, the dirt after the shunting of triangle flow distribution plate
Water is exported to activated carbon filter layer by the diversion channel of installation plate surface and is filtered absorption, and the peculiar smell in decontaminated water out, most
The larger molecular organics in sewage are removed by ultrafiltration membrane, are most discharged afterwards through drainpipe, to improve entire filtering process.
(2) the utility model makes the utility model have height by setting diversion pipe, the first Rose Box, the second Rose Box
The energy-saving effect of degree, is not necessarily to mechanically actuated, and Full-automatic physical filtering without the auxiliary of external mechanical equipment, significantly reduces
The cost of sewage water filtration, in the present invention, not appoint the problem of the effective solution higher cost of sewage water filtration
Sewage is only needed water pump to be cooperated, the utility model by the work of what electric mechanical from the importing of external world's connection water inlet pipe
Entire filter mechanism be not necessarily to any machinery auxiliary, the cost of sewage water filtration is maximumlly reduced, in the first Rose Box
When the sewage in portion is directed into inside the second Rose Box, using the effect of hydraulic pressure, the sewage level inside the second filter chamber is higher than
When diversion pipe, just sewage is directed into inside the second Rose Box in the presence of hydraulic pressure, mechanical-assisted is not necessarily to, naturally carried out
Work is filtered, has reached energy-saving and environment-friendly working effect, and the maintenance period of the utility model is longer, it is only necessary to the first mistake of periodic cleaning
Sediment in filter chamber and the second filter chamber, labor intensity is low, and practicability is high, and economic benefit is good, is suitable for promoting.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the utility model；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the top view of the first metal mesh of the utility model；
Fig. 4 is the top view of the second metal mesh of the utility model.
Appended drawing reference in figure are as follows: 1, water inlet pipe；2, grid；3, the first Rose Box；4, the first metal mesh；5, supporting block；6,
Second metal mesh；7, through-hole；8, the first sewage pipe；9, control valve；10, the first filter chamber；11, strainer；12, partition；13, second
Filter chamber；14, filter cotton；15, the second sewage pipe；16, the second Rose Box；17, ground；18, diversion pipe；19, triangle flow distribution plate；
20, mounting plate；21, diversion channel；22, activated carbon filter layer；23, ultrafiltration membrane；24, drainpipe；25, observation window.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs 1-4, the utility model provides a kind of technical solution: a kind of multi-stage sewage filter device, including first
Rose Box 3 and the second Rose Box 16, the first Rose Box 3 are placed in 17 top of ground, and partition is installed in the inside of the first Rose Box 3
12, the first Rose Box 3 of 12 side of partition is internally provided with the first filter chamber 10, in the first Rose Box 3 of 12 other side of partition
Portion is provided with the second filter chamber 13, and the inside of partition 12 is provided with through-hole 7, the connection of through-hole 7 first filter chamber 10 and the second filtering
Chamber 13, through-hole 7 are located at 12 inside of partition of 14 lower section of the second metal mesh 6 and filter cotton, and the inside of through-hole 7 is equipped with strainer 11,
3 side of the first Rose Box of first filter chamber, 10 side is equipped with the first sewage pipe 8, the first filtering of 13 side of the second filter chamber
3 side of case is equipped with the second sewage pipe 15, and the surface of the first sewage pipe 8 and the second sewage pipe 15 is all equipped with control valve 9, and first
The inside of filter chamber 10 is equipped with the second metal mesh 6 by supporting block 5, inside the first filter chamber 10 of 6 top of the second metal mesh
First metal mesh 4 is installed by supporting block 5, is installed inside the first filter chamber 10 of 4 top of the first metal mesh by supporting block 5
There is grid 2, water inlet pipe 1 is installed on 3 side wall of the first Rose Box of 2 top of grid, the inside of the second filter chamber 13 was equipped with
Filter pulp 14 is placed with the second Rose Box 16, the aperture ratio on 4 surface of the first metal mesh above the ground 17 of first Rose Box, 3 side
The aperture on 6 surface of the second metal mesh is big, and 3 surface of the first Rose Box in 13 outside of the first filter chamber 10 and the second filter chamber is all installed
There is observation window 25, the side of 16 bottom end of the second Rose Box is equipped with drainpipe 24, and the inside installation of the second Rose Box 16 is active
Charcoal filter layer 22 is equipped with mounting plate 20, the surface of mounting plate 20 inside second Rose Box 16 of the top of activated carbon filter layer 22
It is provided with diversion channel 21, the top of mounting plate 20 is equipped with triangle flow distribution plate 19,3 side of the first Rose Box of 14 top of filter cotton
It is connect by diversion pipe 18 with the second Rose Box 16, the diversion pipe 18 inside the second Rose Box 16 is being located at triangle flow distribution plate 19 just
Sewage without the work of any electric mechanical, is only connected to the importing of water inlet pipe 1 in the present invention by top from the external world
Water pump is needed to be cooperated, the entire filter mechanism of the utility model is not necessarily to the auxiliary of any machinery, maximumlly reduces dirt
The cost of water filtering, when the sewage inside the first Rose Box 3 is directed into the second 16 inside of Rose Box, using the effect of hydraulic pressure,
When sewage level inside the second filter chamber 13 is higher than diversion pipe 18, sewage is just directed into the second mistake in the presence of hydraulic pressure
Inside filter box 16, it is not necessarily to mechanical-assisted, is naturally filtered work, has reached energy-saving and environment-friendly working effect, and this is practical
Novel maintenance period is longer, it is only necessary to the sediment in periodic cleaning the first filter chamber 10 and the second filter chamber 13, labour
Intensity is low, and practicability is high, and economic benefit is good, is suitable for promoting, the utility model is made to have the energy-saving effect of height, without machinery
Operation, Full-automatic physical filtering, without the auxiliary of external mechanical equipment, significantly reduces the cost of sewage water filtration, active carbon
Ultrafiltration membrane 23 is installed inside second Rose Box 16 of the lower section of filter layer 22, when carrying out the filter operation of sewage, by sewage from
Water inlet pipe 1 imports inside the first filter chamber 10 inside the first Rose Box 3, and sewage flows into 10 bottom of the first filter chamber from top to bottom
Portion is once filtered through the grid 2 inside the first filter chamber 10, stops bulky refuse and large-scale particulate matter, then through the first gold medal
Belong to net 4 and carry out secondary filter, the particulate matter in sewage is stopped to filter again, then filtered three times through the second metal mesh 6,
The pore size filter of second metal mesh 6 is smaller than the pore size filter of the first metal mesh 4, can stop smaller than 4 aperture of the first metal mesh
Particulate matter, finally enter the bottom of the first filter chamber 10, the liquid level inside the first filter chamber 10 is higher than the inside of partition 12
When through-hole 7, the strainer 11 that sewage passes through 7 inside of through-hole enters inside the second filter chamber 13, filters fine impurities again, until
Sewage level covers through-hole 7, with the rising of sewage level, is carried out the 5th time using the filter cotton 14 inside the second filter chamber 13
Adsorption filtration, recycle diversion pipe 18 import the second Rose Box 16 in, through the triangle flow distribution plate 19 inside the second Rose Box 16
Shunting, slow down the impact force of water flow, avoid loss filter structure, through triangle flow distribution plate 19 shunting after sewage pass through mounting plate
The diversion channel 21 on 20 surfaces, which is exported to activated carbon filter layer 22, is filtered absorption, and the peculiar smell in decontaminated water out, most afterwards through super
Filter membrane 23 removes the larger molecular organics in sewage, is most discharged afterwards through drainpipe 24, to improve entire filtering process, makes this
Utility model has multistage filtering mechanism, greatly improves to the filter capacity of sewage, filter effect is increased, multistage filtering
Being arranged completes the filtering of sewage once, handles without repeated filtration.
In use, the utility model imports the first Rose Box from water inlet pipe 1 when carrying out the filter operation of sewage, by sewage
Inside the first filter chamber 10 inside 3, sewage flows into 10 bottom of the first filter chamber from top to bottom, inside the first filter chamber 10
Grid 2 is once filtered, and stops bulky refuse and large-scale particulate matter, then carry out secondary filter through the first metal mesh 4, by sewage
In particulate matter stop to filter again, then filtered three times through the second metal mesh 6, the pore size filter ratio of the second metal mesh 6
The pore size filter of first metal mesh 4 is small, can stop particulate matter more smaller than 4 aperture of the first metal mesh, finally enter the first mistake
The bottom of filter chamber 10, when the liquid level inside the first filter chamber 10 is higher than the through-hole 7 of 12 inside of partition, sewage is passed through in through-hole 7
The strainer 11 of side enters inside the second filter chamber 13, filters fine impurities again, until sewage level covers through-hole 7, with
The rising of sewage level carries out the 5th adsorption filtration using the filter cotton 14 inside the second filter chamber 13, recycles water conservancy diversion
Pipe 18 imports in the second Rose Box 16, and the shunting through the triangle flow distribution plate 19 inside the second Rose Box 16 slows down the impact of water flow
Power avoids loss filter structure, and the sewage after the shunting of triangle flow distribution plate 19 is exported by the diversion channel 21 on 20 surface of mounting plate
It is filtered absorption to activated carbon filter layer 22, and the peculiar smell in decontaminated water out, most afterwards through ultrafiltration membrane 23 by big point in sewage
Sub- organic matter removal is most discharged through drainpipe 24 afterwards, so that entire filtering process is improved, it is in the present invention, not any
Sewage is only needed water pump to be cooperated by the work of electric mechanical from the importing of external world's connection water inlet pipe 1, the utility model
Entire filter mechanism is not necessarily to the auxiliary of any machinery, the cost of sewage water filtration is maximumlly reduced, inside the first Rose Box 3
Sewage when being directed into the second 16 inside of Rose Box, using the effect of hydraulic pressure, the sewage level inside the second filter chamber 13 is high
When diversion pipe 18, just sewage is directed into inside the second Rose Box 16 in the presence of hydraulic pressure, is not necessarily to mechanical-assisted, naturally
It is filtered work, has reached energy-saving and environment-friendly working effect, and the maintenance period of the utility model is longer, it is only necessary to periodic cleaning
Sediment in first filter chamber 10 and the second filter chamber 13, labor intensity is low, and practicability is high, and economic benefit is good, fits
Preferably promote.
It can to sum up obtain, the utility model passes through setting grid 2, the first metal mesh 4, the second metal mesh 6, strainer 11, filtering
Cotton 14, activated carbon filter layer 22, ultrafiltration membrane 23, diversion pipe 18, the first Rose Box 3,16 structure of the second Rose Box, solve sewage
The problem of filtering not enough thorough and sewage water filtration higher cost.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of multi-stage sewage filter device, including the first Rose Box (3) and the second Rose Box (16), it is characterised in that: first
Rose Box (3) is placed in above ground (17), and partition (12) are installed in the inside of the first Rose Box (3), and the of partition (12) side
One Rose Box (3) is internally provided with the first filter chamber (10), and first Rose Box (3) of partition (12) other side is internally provided with
The inside of two filter chambers (13), the first filter chamber (10) is equipped with the second metal mesh (6), the second metal mesh by supporting block (5)
(6) it is equipped with the first metal mesh (4) inside the first filter chamber (10) above by supporting block (5), the second filter chamber (13)
Inside is equipped with filter cotton (14), is placed with the second Rose Box (16) above the ground (17) of the first Rose Box (3) side, second
The inside of Rose Box (16) is equipped with activated carbon filter layer (22), in the second Rose Box (16) below activated carbon filter layer (22)
Portion is equipped with ultrafiltration membrane (23).
2. a kind of multi-stage sewage filter device according to claim 1, it is characterised in that: above the first metal mesh (4)
It is equipped with grid (2) inside first filter chamber (10) by supporting block (5), on the first Rose Box (3) side wall above grid (2)
Water inlet pipe (1) is installed.
3. a kind of multi-stage sewage filter device according to claim 1, it is characterised in that: the first metal mesh (4) surface
The aperture on the second metal mesh of aperture ratio (6) surface is big, the first filtering on the outside of the first filter chamber (10) and the second filter chamber (13)
Case (3) surface is all equipped with observation window (25), and the side of the second Rose Box (16) bottom end is equipped with drainpipe (24).
4. a kind of multi-stage sewage filter device according to claim 1, it is characterised in that: partition is provided on the inside of (12)
Through-hole (7), through-hole (7) are connected to the first filter chamber (10) and the second filter chamber (13), through-hole (7) be located at the second metal mesh (6) and
On the inside of partition (12) below filter cotton (14), strainer (11) are installed on the inside of through-hole (7).
5. a kind of multi-stage sewage filter device according to claim 1, it is characterised in that: the first filter chamber (10) side
First Rose Box (3) side is equipped with the first sewage pipe (8), the first Rose Box (3) side peace of the second filter chamber (13) side
Equipped with the second sewage pipe (15), the surface of the first sewage pipe (8) and the second sewage pipe (15) is all equipped with control valve (9).
6. a kind of multi-stage sewage filter device according to claim 1, it is characterised in that: above activated carbon filter layer (22)
The second Rose Box (16) inside be equipped with mounting plate (20), the surface of mounting plate (20) is provided with diversion channel (21), mounting plate
(20) it is equipped with above triangle flow distribution plate (19), the first Rose Box (3) side above filter cotton (14) passes through diversion pipe
(18) it is connect with the second Rose Box (16), the internal diversion pipe (18) of the second Rose Box (16) is being located at triangle flow distribution plate (19) just
Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821949849.3U CN209651999U (en) | 2018-11-26 | 2018-11-26 | A kind of multi-stage sewage filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821949849.3U CN209651999U (en) | 2018-11-26 | 2018-11-26 | A kind of multi-stage sewage filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209651999U true CN209651999U (en) | 2019-11-19 |
Family
ID=68506590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821949849.3U Expired - Fee Related CN209651999U (en) | 2018-11-26 | 2018-11-26 | A kind of multi-stage sewage filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209651999U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845035A (en) * | 2019-11-28 | 2020-02-28 | 衡阳思迈科科技有限公司 | Sewage treatment plant is used in electrically conductive silver thick liquid production |
| CN111807433A (en) * | 2020-07-11 | 2020-10-23 | 彭素荣 | Water treatment rose box |
| CN111807619A (en) * | 2020-07-10 | 2020-10-23 | 见嘉环境科技（苏州）有限公司 | Purifying tank for sewage treatment and using method |
| CN112128790A (en) * | 2020-09-02 | 2020-12-25 | 湖南衡兴环保科技开发有限公司 | Quench tower with water circulating and filtering system |
| CN112340940A (en) * | 2020-10-28 | 2021-02-09 | 江西步前农业发展有限公司 | Notch cuttype aquaculture sewage filtration system |
| CN113045015A (en) * | 2021-03-19 | 2021-06-29 | 广东长征机械有限公司 | Oil-gas-water three-phase separation, filtration and purification device |
-
2018
- 2018-11-26 CN CN201821949849.3U patent/CN209651999U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845035A (en) * | 2019-11-28 | 2020-02-28 | 衡阳思迈科科技有限公司 | Sewage treatment plant is used in electrically conductive silver thick liquid production |
| CN111807619A (en) * | 2020-07-10 | 2020-10-23 | 见嘉环境科技（苏州）有限公司 | Purifying tank for sewage treatment and using method |
| CN111807619B (en) * | 2020-07-10 | 2022-09-27 | 见嘉环境科技（苏州）有限公司 | Purifying tank for sewage treatment and using method |
| CN111807433A (en) * | 2020-07-11 | 2020-10-23 | 彭素荣 | Water treatment rose box |
| CN111807433B (en) * | 2020-07-11 | 2023-04-14 | 陕西久扬环保科技有限公司 | Water treatment rose box |
| CN112128790A (en) * | 2020-09-02 | 2020-12-25 | 湖南衡兴环保科技开发有限公司 | Quench tower with water circulating and filtering system |
| CN112340940A (en) * | 2020-10-28 | 2021-02-09 | 江西步前农业发展有限公司 | Notch cuttype aquaculture sewage filtration system |
| CN113045015A (en) * | 2021-03-19 | 2021-06-29 | 广东长征机械有限公司 | Oil-gas-water three-phase separation, filtration and purification device |
| CN113045015B (en) * | 2021-03-19 | 2021-11-30 | 广东长征机械有限公司 | Oil-gas-water three-phase separation, filtration and purification device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 Termination date: 20201126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |