CN109621523A - A kind of reuse water filtering device of backwash - Google Patents
A kind of reuse water filtering device of backwash Download PDFInfo
- Publication number
- CN109621523A CN109621523A CN201811594935.1A CN201811594935A CN109621523A CN 109621523 A CN109621523 A CN 109621523A CN 201811594935 A CN201811594935 A CN 201811594935A CN 109621523 A CN109621523 A CN 109621523A
- Authority
- CN
- China
- Prior art keywords
- cartridge filter
- seal box
- driving
- filtering device
- reuse water
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000001914 filtration Methods 0.000 title claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims description 16
- 238000011010 flushing procedure Methods 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 239000011324 bead Substances 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 9
- 239000002351 wastewater Substances 0.000 abstract description 2
- 238000011001 backwashing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/682—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with a rotary movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention relates to technical field of waste water processing, the reuse water filtering device of specially a kind of backwash, including filtering ponds, the cartridge filter of sealing two ends is provided in filtering ponds, cartridge filter is communicated with outlet pipe, the driving mechanism for driving cartridge filter to rotate is provided with outside cartridge filter, cartridge filter is internally provided with knocking gear.The present invention solves the problems, such as that cleaning filter effect is bad in the prior art.
Description
Technical field
The present invention relates to technical field of waste water processing, the reuse water filtering device of specially a kind of backwash.
Background technique
Purification of water quality factory is both needed to use a large amount of processed recycle-waters daily to be rinsed due to requirements of one's work, but
Due to containing the sundries such as many fibre objects, particle in processed recycle-water, it is easy blocking Flushing nozzle, so must be to reuse
Water could use after being filtered.
Existing filter type is that cartridge filter is put into the filter tank for containing recycle-water, is connected to outlet pipe inside cartridge filter,
Outlet pipe is connected to spray head, utilizes the sundries in cartridge filter filtering recycle-water.But with the increase using the time of cartridge filter, mistake
The sundries adhered on cartridge exine is also more and more, in order to avoid the sieve pore of cartridge filter is blocked, this just need to cartridge filter into
Row cleaning.
It is in the prior art usually to clean cartridge filter by way of backwash, when operation, water flows through bottom discharge system
Back through filter tank, to rinse out the blocking substance on cartridge filter.But such mode cleaning effect is bad, it is also necessary to manually will
It is cleaned after cartridge filter disassembly, not only cleaning efficiency is not high, also needs entire filtration system to stop working in cleaning process, sternly
Ghost image rings the filter efficiency of recycle-water.In addition, it is also easy to make the sundries in water to enter in outlet pipe in dismounting filter procedure,
Ultimately cause Flushing nozzle blocking.
Summary of the invention
The invention is intended to provide a kind of reuse water filtering device of backwash, imitated with solving cleaning filter in the prior art
The bad problem of fruit.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of reuse water filtering device of backwash, including filtering ponds are provided with the cartridge filter of sealing two ends in filtering ponds,
Cartridge filter is communicated with outlet pipe, and the driving mechanism for driving cartridge filter to rotate is provided with outside cartridge filter, is set inside cartridge filter
It is equipped with knocking gear.
The principle of this programme are as follows:
Filtering ponds are used to filter the sundries in recycle-water for containing recycle-water, cartridge filter, and outlet pipe is used for for after filtering
Recycle-water outflow: outlet pipe is connected to cartridge filter, recycle-water pass through cartridge filter flow in outlet pipe, the sundries in recycle-water
It can then be trapped on cartridge filter.Driving mechanism is used to drive cartridge filter rotation, knocking gear when backwashing cartridge filter
For while cartridge filter rotates from inner impact cartridge filter.
The invention has the benefit that
1. cartridge filter rotation is driven while backwashing to cartridge filter, so that cartridge filter can be rushed uniformly
It washes, cartridge filter remains static when backwashing compared to the prior art, and the cleaning effect of this programme is more preferable.
2. enabling to be adhered to outside cartridge filter from inner impact cartridge filter using knocking gear while cartridge filter rotates
Sundries on wall is easier to fall, to further improve the cleaning effect of cartridge filter.
3, after using this programme, it is not necessary that cartridge filter is manually removed cleaning, reduce manual labor amount；And entire cleaning
Process will not influence filtration system work without filtration system is stopped.
Further, driving mechanism includes several branch pipes being arranged on filtering drum outer wall, is connected between branch pipe and outlet pipe
There is pumping means, be rotatablely connected between branch pipe and pumping means, is provided with several spray heads on the outside of branch pipe, spray head is along cartridge filter outer circle
Tangential direction be obliquely installed, and the inclined direction of each spray head is identical.Pumping means is used for the reuse water pump in outlet pipe
Into branch pipe, is gushed out from spray head by the recycle-water with pressure and cartridge filter is driven to rotate；This programme uses filtered
The power that recycle-water is rotated as cartridge filter, does not quote external resource, has saved power resource.
Further, knocking gear includes the seal box being arranged in inside cartridge filter, if seal box slide over side walls is provided with
Do the trip rod for hitting cartridge filter, knocking gear further includes the driving assembly for driving trip rod to slide, in seal box
It is provided with the resetting-mechanism for driving trip rod to reset.Driving assembly is for driving trip rod to hit cartridge filter, reset assembly
For driving trip rod to reset；Hitting cartridge filter while backwash enables to the sundries on cartridge filter to be easier to fall, and mentions
The high cleaning effect of cartridge filter；Seal box can be avoided all parts immersion and make in water for installing all parts
At damage.
Further, driving assembly includes the support column being arranged in cartridge filter, and support column and seal box are rotatablely connected, support
Bias is connected with driving plate on column, and driving plate interval offsets with trip rod.Support column for driving driving plate to rotate, use by driving plate
In driving trip rod sliding to hit cartridge filter；Support column is connect with cartridge filter, cartridge filter can drive while rotation
Support column rotation, so that driving plate be driven to rotate, without quoting external resource, has saved resource.
Further, trip rod runs through seal box side wall, and one end that trip rod is located at outside seal box is provided with for hitting
The impact bead of filter cylinder, impact bead band are flexible.Using with shock ball impact cartridge filter flexible can reduce cartridge filter by
Impact force, avoid cartridge filter damaged.
Further, resetting-mechanism includes the spring being set on trip rod, and trip rod is located at the setting of one end in seal box
There is driver plate, both ends of the spring is connect with driver plate and seal box respectively.Driver plate with driving plate for offseting, to drive shock
Bar is mobile, directly offsets with driving plate compared to trip rod, can reduce the impact force between driving plate and trip rod, extends driving
The service life of plate.
Further, pumping means includes the supervisor being connected to outlet pipe, and flushing pump is provided on supervisor, and supervisor turns with branch pipe
It is dynamic to connect, pedestal is provided in filtering ponds, pedestal and branch pipe are rotatablely connected.Flushing pump is for arriving the reuse water pump in outlet pipe
In supervisor, supervisor is used for connecting branch；Pedestal is used to support cartridge filter, and pedestal is also used to install branch pipe.
Further, it is responsible for and the junction of branch pipe is provided with bearing, oil sealing, setting below bearing are provided with above bearing
There is lower oil sealing.Bearing is used to seal the junction of supervisor and branch pipe, prevents for connecting supervisor and branch pipe, upper oil sealing and lower oil sealing
Leakage.
Further, it is provided with supporting block on pedestal, mounting groove is provided in supporting block, branch pipe bottom end is connected with connecting column,
Connecting column bottom end is provided with card slot, and ball is provided between card slot and mounting groove, axle sleeve is arranged with outside the connecting column.Supporting block
For installing connecting column, the space between card slot and mounting groove enables to branch pipe to rotate for placing ball, setting ball
It is more smooth；Axle sleeve avoids connecting column from shifting in the course of rotation for being fixedly connected with column.
Detailed description of the invention
Fig. 1 is longitudinal schematic diagram of the embodiment of the present invention；
Fig. 2 is the top view of the embodiment of the present invention；
Fig. 3 is the longitudinal sectional view of knocking gear in Fig. 1；
Fig. 4 is the top view of knocking gear in Fig. 1；
Fig. 5 is the enlarged diagram in Fig. 1 at A.
Fig. 6 is the enlarged diagram in Fig. 1 at B.
Specific embodiment
Below by the further details of explanation of specific embodiment:
Appended drawing reference in Figure of description includes: supervisor 1, flushing pump 2, outlet valve 3, outlet pipe 4, pedestal 5, supporting table
6, seal box 7, trip rod 8, impact bead 9, branch pipe 10, cartridge filter 11, filtering ponds 12, flushing valve 13, bearing 14, lower oil sealing 15,
Supporting block 16, ball 17, connecting column 18, axle sleeve 19, spring 20, driver plate 21, support column 22, driving plate 23, upper oil sealing 24.
As depicted in figs. 1 and 2, a kind of reuse water filtering device of backwash of the present invention, including filtering ponds 12, filtering ponds 12
It is interior it is vertically-mounted have a cartridge filter 11, the sealing two ends of cartridge filter 11 are evenly arranged with several filter hole on the outer wall of cartridge filter 11.
It is communicated with outlet pipe 4 on the left of cartridge filter 11, outlet valve 3 is installed on outlet pipe 4.It is equipped with outside cartridge filter 11 for driving
The driving mechanism that filter cylinder 11 rotates, driving mechanism includes four branch pipes 10 being welded on 11 side wall of cartridge filter, four branch pipes 10
Top extend and collect in the top of cartridge filter 11, the bottom end of four branch pipes 10 extends and collects in 11 bottom of cartridge filter, thus
A filter frame is formed outside cartridge filter 11.The outside of each branch pipe 10 is mounted on several spray heads (being not drawn into figure), often
Tangential direction of a spray head along 11 outer circle of cartridge filter is obliquely installed, and the inclined direction of each spray head is consistent.
As shown in Fig. 2, being connected with pumping means between branch pipe 10 and outlet pipe 4, pumping means includes being connected to outlet pipe 4
Supervisor 1, flushing pump 2 is installed on supervisor 1, supervisor 1 and the branch pipe 10 at 11 top of cartridge filter are rotatablely connected, specific connection side
Formula is as shown in Figure 5: 1 bottom end of supervisor offers link slot, and branch pipe 10 protrudes into link slot, and branch pipe 10 and supervisor 1 pass through bearing 14
It is rotatably connected in link slot.In order to guarantee supervisor 1 and branch pipe 10 junction leakproofness, be arranged above bearing 14 there are three
Upper oil sealing 24, is arranged that there are two lower oil sealings 15 below bearing 14.
As also shown in fig. 1,12 bottom of filtering ponds is equipped with pedestal 5, and the bottom end of branch pipe 10 and pedestal 5 are rotatablely connected, specifically
Connection type it is as shown in Figure 6: supporting block 16 is installed on pedestal 5, the mounting groove to lower recess is offered in supporting block 16, prop up
10 bottom end of pipe is welded with connecting column 18, and 18 bottom end of connecting column offers the card slot being recessed upwards, installs between mounting groove and card slot
There is ball 17, the shape of card slot is matched with the shape of ball 17.Axle sleeve 19 is arranged with outside connecting column 18 to fix branch pipe 10, is realized
The stable rotation of branch pipe 10.
It is as also shown in fig. 1, the knocking gear for hitting cartridge filter 11 is installed, knocking gear includes peace in cartridge filter 11
Cylindrical seal box 7 in cartridge filter 11 is equipped with supporting table 6 in cartridge filter 11, and seal box 7 is mounted on supporting table 6
On.In conjunction with Fig. 3 and Fig. 4 it is found that the slide over side walls of seal box 7 is connected with several trip rods 8 for being used to hit cartridge filter 11, hit
The side wall that bar 8 runs through seal box 7 is hit, one end that each trip rod 8 is located at outside seal box 7 is mounted on for hitting cartridge filter 11
Impact bead 9, impact bead 9 is with flexible, and impact bead 9 uses ball in the present embodiment, can reduce what cartridge filter 11 was subject to
Impact force avoids cartridge filter 11 damaged.
Knocking gear further includes the driving assembly for driving trip rod 8 to slide, and driving assembly includes being vertically installed at
Support column 22 in filter cylinder 11, support column 22 and seal box 7 are rotatablely connected, the eccentric driving for being connected with ellipse on support column 22
Plate 23,23 interval of driving plate offset with trip rod 8.The reset machine for driving trip rod 8 to reset is also equipped in seal box 7
Structure, resetting-mechanism include the spring 20 being set on trip rod 8, and one end that trip rod 8 is located in seal box 7 is equipped with driver plate
21, the both ends of spring 20 are connect with driver plate 21 and seal box 7 respectively.Fillet has been led at the both ends of driver plate 21, can reduce biography
Frictional force between movable plate 21 and driving plate 23 rotates convenient for driving plate 23.
In order to extend the service life of the components such as support column 22, spring 20 and driving plate 23, trip rod 8 and seal box 7
Junction, support column 22 and seal box 7 junction be provided with sealing shroud to increase the leakproofness of seal box 7, thus will
Component and water segregation in seal box 7.
When practice, flushing valve 13 is opened while backwashing to cartridge filter 11, flushing pump 2 is by outlet pipe 4
In the reuse water pump to supervisor 1 that middle filtering is completed, the recycle-water in supervisor 1 is sprayed by the spray head on branch pipe 10.Due to each
Tangential direction of the spray head along 11 outer circle of cartridge filter is obliquely installed, and the inclined direction of each spray head is all the same, therefore cartridge filter 11
It is rotated under the action of the water that spray head sprays together with the filter frame formed by branch pipe 10, so that cartridge filter 11 is in backwash
Rotation, enables 11 outer wall of cartridge filter uniformly to rinse, improves flushing effect.
Cartridge filter 11 is able to drive the support column 22 installed in it and rotates while rotation, support column 22 drives eccentric thereon
The driving plate 23 of connection rotates.Driving plate 23 turns to when offseting with driver plate 21, and trip rod 8 can be driven to outside seal box 7
Portion is mobile, so that impact bead 9 is from the inside of inner impact cartridge filter 11, so that being adhered on 11 outer wall of cartridge filter
Sundries is easier to fall, and thus further improves the flushing effect of cartridge filter 11.
The connecting column 18 that its bottom is able to drive when the filter frame rotation that branch pipe 10 is formed rotates, the card slot on connecting column 18
It is fastened on ball 17, ball 17 can roll in card slot under the action of the frictional force of connecting column 18, so that branch pipe
10 rotation it is more smooth.The active force that axle sleeve 19 can give connecting column 18 1 supports and stop, prevents connecting column 18 from existing
It shifts when rotation and branch pipe 10 is caused to can not be successfully rotation.
The present invention is rotated using filtered reuse water-driven cartridge filter 11, cartridge filter 11 is rinsed more equal
It is even；Also drive driving assembly driving impact bead 9 from 11 inner impact cartridge filter 11 of cartridge filter using cartridge filter 11, so that viscous
The sundries being attached on 11 outer wall of cartridge filter is easier to fall, and improves the effect of the cleaning of cartridge filter 11.Filter device of the invention exists
When cleaning cartridge filter 11 without human intervention, it does not need to stop filtration system yet, will not influence filtration system normal work；This
Outside, the unreferenced external resource of the present invention, directlys adopt filtered recycle-water as power resource, at low cost, has saved resource.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.
Claims (9)
1. a kind of reuse water filtering device of backwash, including filtering ponds, the cartridge filter of sealing two ends, mistake are provided in filtering ponds
Filter cylinder is communicated with outlet pipe, it is characterised in that: the driving mechanism for driving cartridge filter to rotate is provided with outside the cartridge filter,
Cartridge filter is internally provided with knocking gear.
2. a kind of reuse water filtering device of backwash according to claim 1, it is characterised in that: the driving mechanism packet
Several branch pipes being arranged on filtering drum outer wall are included, pumping means, branch pipe and water pumping are connected between branch pipe and the outlet pipe
It being rotatablely connected between mechanism, is provided with several spray heads on the outside of branch pipe, spray head is obliquely installed along the tangential direction of cartridge filter outer circle, and
The inclined direction of each spray head is identical.
3. a kind of reuse water filtering device of backwash according to claim 1, it is characterised in that: the knocking gear packet
The seal box being arranged in inside cartridge filter is included, seal box slide over side walls is provided with several trip rods for being used to hit cartridge filter,
The knocking gear further includes the driving assembly for driving trip rod to slide, and is provided in seal box for driving trip rod multiple
The resetting-mechanism of position.
4. a kind of reuse water filtering device of backwash according to claim 3, it is characterised in that: the driving component packet
The support column being arranged in cartridge filter is included, support column and seal box are rotatablely connected, and bias is connected with driving plate on support column, drives
Plate interval offsets with the trip rod.
5. a kind of reuse water filtering device of backwash according to claim 3 or 4, it is characterised in that: the trip rod
Through seal box side wall, one end that trip rod is located at outside seal box is provided with the impact bead for hitting cartridge filter, impact bead band
It is flexible.
6. a kind of reuse water filtering device of backwash according to claim 5, it is characterised in that: the resetting-mechanism packet
The spring being set on trip rod is included, one end that trip rod is located in seal box is provided with driver plate, the both ends of the spring difference
It is connect with driver plate and seal box.
7. a kind of reuse water filtering device of backwash according to claim 2, it is characterised in that: the pumping means packet
The supervisor being connected to the outlet pipe is included, flushing pump is provided on supervisor, the supervisor is rotatablely connected with the branch pipe, filtering ponds
It is inside provided with pedestal, pedestal and branch pipe are rotatablely connected.
8. a kind of reuse water filtering device of backwash according to claim 7, it is characterised in that: the supervisor and branch pipe
Junction be provided with bearing, oil sealing is provided with above bearing, is provided with lower oil sealing below bearing.
9. a kind of reuse water filtering device of backwash according to claim 8, it is characterised in that: be arranged on the pedestal
There is supporting block, mounting groove is provided in supporting block, branch pipe bottom end is connected with connecting column, and connecting column bottom end is provided with card slot, described
It is provided with ball between card slot and mounting groove, axle sleeve is arranged with outside the connecting column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811594935.1A CN109621523A (en) | 2018-12-25 | 2018-12-25 | A kind of reuse water filtering device of backwash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811594935.1A CN109621523A (en) | 2018-12-25 | 2018-12-25 | A kind of reuse water filtering device of backwash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109621523A true CN109621523A (en) | 2019-04-16 |
Family
ID=66077433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811594935.1A Pending CN109621523A (en) | 2018-12-25 | 2018-12-25 | A kind of reuse water filtering device of backwash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109621523A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201433A (en) * | 2019-04-24 | 2019-09-06 | 严志滨 | Back flushing device for sanitary wastewater treatment recycling system |
| CN113750597A (en) * | 2021-09-08 | 2021-12-07 | 河源中盛环境科技有限公司 | Unpowered back-washing ultrafiltration water purification equipment |
| CN115646035A (en) * | 2022-11-21 | 2023-01-31 | 安徽丰原利康制药有限公司 | Centrifugal filter device for pharmacy |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4762615A (en) * | 1986-08-15 | 1988-08-09 | Mordeki Drori | Semi-automatic fluid filter |
| CN201776029U (en) * | 2010-07-23 | 2011-03-30 | 广州柯内特环境科技发展有限公司 | Pre-treatment device for sewage on-line pollution source monitoring |
| CN208193790U (en) * | 2018-02-07 | 2018-12-07 | 山东中再生环境服务有限公司 | A kind of liquid multi-layer filter screen |
-
2018
- 2018-12-25 CN CN201811594935.1A patent/CN109621523A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4762615A (en) * | 1986-08-15 | 1988-08-09 | Mordeki Drori | Semi-automatic fluid filter |
| CN201776029U (en) * | 2010-07-23 | 2011-03-30 | 广州柯内特环境科技发展有限公司 | Pre-treatment device for sewage on-line pollution source monitoring |
| CN208193790U (en) * | 2018-02-07 | 2018-12-07 | 山东中再生环境服务有限公司 | A kind of liquid multi-layer filter screen |
Non-Patent Citations (1)
| Title |
|---|
| 王春丽等: "《给排水科学与工程专业英语》", 30 June 2016, 哈尔滨工程大学出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201433A (en) * | 2019-04-24 | 2019-09-06 | 严志滨 | Back flushing device for sanitary wastewater treatment recycling system |
| CN113750597A (en) * | 2021-09-08 | 2021-12-07 | 河源中盛环境科技有限公司 | Unpowered back-washing ultrafiltration water purification equipment |
| CN115646035A (en) * | 2022-11-21 | 2023-01-31 | 安徽丰原利康制药有限公司 | Centrifugal filter device for pharmacy |
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Application publication date: 20190416 |