CN107096278A - A kind of horizontal twin-roll backwash filter - Google Patents
A kind of horizontal twin-roll backwash filter Download PDFInfo
- Publication number
- CN107096278A CN107096278A CN201710470223.8A CN201710470223A CN107096278A CN 107096278 A CN107096278 A CN 107096278A CN 201710470223 A CN201710470223 A CN 201710470223A CN 107096278 A CN107096278 A CN 107096278A
- Authority
- CN
- China
- Prior art keywords
- filter
- drum
- thin
- roll
- pressure
- 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 claims abstract description 55
- 238000001914 filtration Methods 0.000 claims abstract description 33
- 239000012535 impurity Substances 0.000 claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 6
- 239000010865 sewage Substances 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000002262 irrigation Effects 0.000 description 5
- 238000003973 irrigation Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 3
- -1 branches and leaves Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 238000006424 Flood reaction Methods 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/41—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection
- B01D33/42—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention is a kind of horizontal twin-roll backwash filter, and the horizontal twin-roll backwash filter includes arranged on left and right sides cover plate, coarse filtration drum strainer, bulky grain collecting tank, thin filter drum filter screen, silt collecting tank, negative pressure delivery port, high-pressure water inlet hole, high-pressure nozzle, cingulum and driving wheel.The filter is lain in a horizontal plane in water, sewage is successively filtered by thick drum strainer and thin drum strainer, the vertical water surface of high-pressure nozzle is installed, position of the thickness drum strainer on the water surface is backwashed respectively, large granular impurity is collected by bulky grain collecting tank on thick drum strainer, the little particle such as silt impurity is collected by the silt collecting tank on thin drum strainer, and drum strainer is driven by driving wheel and rotated, and forms continuous backwash of the high-pressure nozzle to filter screen.
Description
Technical field
The present invention relates to filter plant technical field, especially a kind of horizontal twin-roll backwash filter.
Background technology
Water Resource in Northwest shortage, most of crops and trees gradually adopt drip irrigation technique to irrigate, and drip irrigation zone pair
Allow have strict demand, it is necessary to which filter reaches that certain standard can just make to the filtering accuracy of water quality containing impurity ratio with water
With otherwise can clogging drip irrigation band.
The mode of agricultural irrigation earth's surface water filtration higher to impurity content at this stage mainly has three kinds:Natural sedimentation,
Sandstone filtering, the filtering of net formula；Natural sedimentation needs soil, the grains of sand, the mineral chip that the regular hour proportion is more than water
Basin bottom is deposited in Deng debris, when summer needing a large amount of agricultural waters, it is impossible to meet water consumption, and suspend in water
The material that the proportions such as organic-biological, plastic sheeting, algae are less than water can not be removed effectively；Sandstone medium filter plant typically leads to
It is used in combination on the basis of over-pressed force container natural sedimentation with well strainer, but energy loss is big, self-cleaning effect is undesirable.
By principle of negative pressure Self-cleaning type automatic back flushing net type filter, water filtration, but closed pressure are carried out under sealing condition
Force container has finite capacity and has the limitation of maximum tolerance to impurities in water content, and the efficiency of filtration treatment water is by miscellaneous in water
The influence of skill content is larger, and when acrobatics content is higher in water, filter efficiency is lower；Under prior art conditions, to net formula self-cleaning
For filter, when in water acrobatics content higher than it is a certain amount of when, its self-cleaning effect it is undesirable, it is necessary to frequently backwash, significantly
Irrigation efficiency is reduced, especially in immense floods prevail season, the impurity content of usual surface water is very high, and now, filter is easily paralysed,
Massive losses are brought to agricultural production.
The content of the invention
For the defect of prior art, the invention provides a kind of horizontal twin-roll backwash filter, main purpose exists
In the self-cleaning and filter effect that improve filter, the filter efficiency of filter is improved.
The technical solution adopted for the present invention to solve the technical problems is：Embodiments of the invention provide a kind of horizontal double rollings
Cylinder backwash filter, including：Left side cover plate, right side cover plate, coarse filtration drum strainer, bulky grain collecting tank, thin filter drum
Filter screen, silt collecting tank, high-pressure nozzle, negative pressure delivery port, high-pressure water inlet hole, driving wheel, support.Left side cover plate is provided with high pressure
Inlet opening, right side cover plate is provided with negative pressure delivery port, and arranged on left and right sides cover plate is respectively and fixedly installed to coarse filtration drum strainer two
End, the length of coarse filtration drum strainer is more than thin filter drum filter screen, and thin filter drum filter screen one end is fixed on the cover plate of right side,
The other end is sealed with steel plate；High-pressure nozzle is rotatable by high-pressure water inlet hole, and is arranged on thick, thin filter drum vertically upward
In filter screen, the injection direction of high-pressure nozzle spout and the normal direction of the water surface are into 30 ° ~ 60 ° angles, bulky grain collecting tank and silt
Collecting tank is arranged on high-pressure injection pipe by support, is separately fixed at the outside of thick, thin filter drum filter screen, notch direction with
The injection direction of high-pressure nozzle is corresponding；The peripheral middle part of coarse filtration drum strainer is provided with cingulum, and driving wheel passes through branch
Frame is fixed on the water surface, is kept at grade with cingulum, driving wheel is used force by cingulum band, thin filter drum filter screen is continuous
Rotate.
The operation principle of horizontal twin-roll backwash filter of the present invention is：Filter lies in a horizontal plane in one-level mistake
In filter tank, sewage first passes through thick drum strainer and filters out the large granular impurities such as branches and leaves, stone, through meticulous filter drum filter screen
The little particle contaminant filter such as silt is fallen；Water after filtering enters water pump from negative pressure delivery port, the water under high pressure from water pump out
Enter high-pressure nozzle through high-pressure water inlet hole, two high-pressure nozzles enter to position of thick, the thin drum strainer on the water surface respectively
Row backwash, the large granular impurity adsorbed on coarse filtration drum strainer is collected by bulky grain collecting tank on thick drum strainer, is inhaled
The little particle impurity such as the silt being attached on thin filter drum filter screen are collected by the silt collecting tank on thin drum strainer；Driving wheel leads to
The cingulum band crossed on coarse filtration drum strainer is used force, thin filter drum filter screen is rotated around high-pressure nozzle, forms high-pressure nozzle pair
The continuous backwash of filter screen.
In summary, horizontal twin-roll backwash filter of the invention realizes the classification of impurity using twin-roll filter screen
Filtering, improves filter efficiency, reduces the blocking probability of filter；Filter screen is recoiled on the water using high-pressure nozzle
Wash, it is to avoid the penetration power that backwash spray washing is caused by resistance to water-flow during traditional backwash filter underwater operation inversely weakens
Problem, can effectively solve existing backwash filter and clean not thorough, backwash is frequent, the problems such as easily blocking.
Brief description of the drawings
Fig. 1 is a kind of front view of horizontal twin-roll backwash filter provided in an embodiment of the present invention.
Fig. 2 is a kind of left view of horizontal twin-roll backwash filter provided in an embodiment of the present invention.
Shown in figure:1 is by-pass filtration pond, and 2 be negative pressure delivery port, and 3 be high-pressure water inlet hole, and 4 be thin filter drum filter screen,
5 be silt collecting tank, and 6 be high-pressure nozzle, and 6-1 is high-pressure nozzle 1, and 6-2 is that high-pressure nozzle 2,7 is bulky grain collecting tank, and 8 be tooth
Band, 9 be coarse filtration drum strainer, and 10 be driving wheel, and 11 be support, and 12 be left side cover plate, and 13 be right side cover plate.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to embodiment, structure, feature and its effect according to the present patent application, are described in detail such as
Under, specific embodiment described herein only to explain invention, is not used to limit invention.
As depicted in figs. 1 and 2, embodiments of the invention provide a kind of horizontal twin-roll backwash filter, including:Thick mistake
Filter drum strainer 9, thin filter drum filter screen 4, high-pressure nozzle 6, silt collecting tank 5, bulky grain collecting tank 7, cingulum 8, left cap
Plate 12 and right side cover plate 13, support 11 are welded with steel bar, and on by-pass filtration pond 1.
Left side cover plate 12 is provided with high-pressure water inlet hole 3, and right side cover plate 13 is provided with negative pressure delivery port 2, the He of left side cover plate 12
Right side cover plate 13 is respectively and fixedly installed to the left and right ends of coarse filtration drum strainer 9, and the length of coarse filtration drum strainer 9 is more than carefully
Filter drum filter screen 4, thin filter drum filter screen one end is fixed on the cover plate 13 of right side, and the other end is sealed with steel plate；High-pressure nozzle 6
Rotatably by high-pressure water inlet hole 3, and high-pressure nozzle 6-1 is arranged in coarse filtration drum strainer 9 vertically upward, high-pressure nozzle
6-2 is arranged in thin filter drum filter screen 4 vertically upward, the injection direction of the spout of high-pressure nozzle 6 and the normal direction of the water surface into
30 ° ~ 60 ° angles, bulky grain collecting tank 7 and silt collecting tank 5 are arranged on high-pressure injection pipe 6 by support, are separately fixed at
Slightly, the outside of thin filter drum filter screen, notch direction is corresponding with the injection direction of high-pressure nozzle 6；Coarse filtration drum strainer 9
Peripheral middle part is provided with cingulum 8, and driving wheel 10 is fixed on the water surface by support 11, and same plane is maintained at cingulum 8
On, driving wheel 10 drives coarse filtration drum strainer 9 and the synchronous continuous rotation of thin filter drum filter screen 4 by cingulum 8.
The operation principle of horizontal twin-roll backwash filter of the present invention is：Filter lies in a horizontal plane in one-level mistake
In filter tank 1, sewage first passes through thick drum strainer 9 and filters out the large granular impurities such as branches and leaves, stone, is filtered through meticulous filter drum
Net 4 falls the little particle contaminant filter such as silt, and the water after filtering enters water pump from negative pressure delivery port 2, the height from water pump out
Water is pressed to enter high-pressure nozzle 6 through high-pressure water inlet hole 3, high-pressure nozzle 6-1 and high-pressure nozzle 6-2 are respectively to thick drum strainer 9 and thin
Position of the filter drum filter screen 4 on the water surface is backwashed, and adsorbs the large granular impurity on coarse filtration drum strainer 9
Collected by bulky grain collecting tank 7 on thick drum strainer 9, the little particle impurity quilt such as the silt of absorption on thin filter drum filter screen 4
Silt collecting tank 5 on thin drum strainer 4 is collected, and driving wheel 10 drives coarse filtration by the cingulum 8 on coarse filtration drum strainer 9
Drum strainer 9 and thin filter drum filter screen 4 are synchronously rotated around high-pressure nozzle 6, form continuous recoil of the high-pressure nozzle 6 to filter screen
Wash.
Horizontal twin-roll backwash filter of the present invention realizes the classified filtering of impurity using twin-roll filter screen,
Filter efficiency is improved, the blocking probability of filter is reduced；Filter screen is backwashed on the water using high-pressure nozzle, it is to avoid
The penetration power that backwash spray washing is caused by resistance to water-flow during traditional backwash filter underwater operation inversely weakens problem, energy
Enough effectively solve existing backwash filter cleaning not thorough, backwash frequent, the problems such as easily blocking.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (9)
1. described in horizontal twin-roll backwash filter, mainly include arranged on left and right sides cover plate, coarse filtration drum strainer, bulky grain
Collecting tank, thin filter drum filter screen, silt collecting tank, high-pressure nozzle, negative pressure delivery port, high-pressure water inlet hole, driving wheel；Left cap
Plate is provided with high-pressure water inlet hole, and right side cover plate is provided with negative pressure delivery port, and arranged on left and right sides cover plate is respectively and fixedly installed to slightly mistake
Drum strainer two ends are filtered, high-pressure nozzle is connected with high-pressure water inlet hole, and be arranged on vertically upward in thick, thin filter drum filter screen；
The filter is lain in a horizontal plane in water, and sewage is successively filtered by thick drum strainer and thin drum strainer, the water after filtering from
Negative pressure delivery port enters water pump, and the water under high pressure from water pump out enters high-pressure nozzle, two high-pressure nozzles through high-pressure water inlet hole
Position of thick, the thin drum strainer on the water surface is backwashed respectively, large granular impurity is by big on thick drum strainer
Grain collecting tank is collected, and the little particle impurity such as silt is collected by the silt collecting tank on thin drum strainer, and drum strainer is by driving wheel
Drive and rotate, form continuous backwash of the high-pressure nozzle to filter screen.
2. horizontal twin-roll backwash filter according to claim 1, the filter is lain in a horizontal plane in water, and the water surface
Highly it is less than the position where thin filter drum filter screen inner high voltage jet pipe.
3. horizontal twin-roll backwash filter according to claim 1, the length of coarse filtration drum strainer is more than thin mistake
Drum strainer is filtered, thin filter drum filter screen one end is fixed on the cover plate of left side, and the other end is sealed with steel plate.
4. horizontal twin-roll backwash filter according to claim 1, high-pressure nozzle is rotatably pressed into installed in height
In water hole, it is divided into two in filter screen inner high voltage jet pipe, is respectively perpendicular the upward inside for being arranged on thick, thin filter drum filter screen.
5. horizontal twin-roll backwash filter according to claim 1, the peripheral middle part of coarse filtration drum strainer
Cingulum is installed, driving wheel is used force by cingulum band, thin filter drum filter screen is rotated.
6. horizontal twin-roll backwash filter according to claim 1, driving wheel is fixed on the water surface by support, with
Cingulum is kept at grade.
7. horizontal twin-roll backwash filter according to claim 1, bulky grain collecting tank and silt collecting tank pass through
Support is arranged on high-pressure injection pipe, and is separately fixed at the outside of thick, thin filter drum filter screen, notch direction and high-pressure nozzle
Injection direction it is corresponding.
8. according to claim 4, the injection direction of high-pressure nozzle spout and the normal direction of the water surface are into 30 ° ~ 60 ° angles.
9. horizontal twin-roll backwash filter according to claim 1, the mesh diameter 2 of coarse filtration drum strainer ~
5mm, 1 ~ 2mm of mesh diameter of thin filter drum filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710470223.8A CN107096278A (en) | 2017-06-20 | 2017-06-20 | A kind of horizontal twin-roll backwash filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710470223.8A CN107096278A (en) | 2017-06-20 | 2017-06-20 | A kind of horizontal twin-roll backwash filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107096278A true CN107096278A (en) | 2017-08-29 |
Family
ID=59663163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710470223.8A Pending CN107096278A (en) | 2017-06-20 | 2017-06-20 | A kind of horizontal twin-roll backwash filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107096278A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432860A (en) * | 2018-11-27 | 2019-03-08 | 年赞文 | A kind of filter sewage processing unit |
| CN116617750A (en) * | 2023-07-20 | 2023-08-22 | 定州市蓝宇环保设备有限公司 | Micro-filter with self-cleaning function |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2235846Y (en) * | 1995-07-06 | 1996-09-25 | 弘扬空调股份有限公司 | Water filtering device |
| US6000557A (en) * | 1998-12-02 | 1999-12-14 | Taiwan Semiconductor Manufacturing Company, Ltd. | Self-cleaning liquid filter and method for filtering a liquid |
| DE202004011107U1 (en) * | 2004-07-13 | 2004-10-07 | Ffg Flensburger Fahrzeugbau Gesellschaft Mbh | Assembly for the separation of water from drilling mud has two drum filters on a horizontal powered shaft, within each other, with inner water jet lances and outer scrapers for cleaning |
| CN2858031Y (en) * | 2005-12-14 | 2007-01-17 | 中国科学院海洋研究所 | Double-filter automatic back flushing seawater suspend particle removal device |
| CN202237494U (en) * | 2011-09-06 | 2012-05-30 | 叶勤 | Filter |
| CN202315514U (en) * | 2011-11-30 | 2012-07-11 | 洛瓦空气工程(上海)有限公司 | Rotary water filter with garbage collection disk and injection device |
| GB201212819D0 (en) * | 2012-07-19 | 2012-09-05 | Siemens Vai Metals Tech Gmbh | Drum cleaner |
| CN203935689U (en) * | 2014-04-25 | 2014-11-12 | 成都凯亚美机械制造有限公司 | A kind of efficient backwash microfilter device |
| CN105498341A (en) * | 2016-01-21 | 2016-04-20 | 新疆石达赛特科技有限公司 | Filter |
| CN205182325U (en) * | 2015-11-16 | 2016-04-27 | 北京华夏源洁水务科技有限公司 | Driven type rotary drum (cone -element) micro -filtration device |
| CN105642004A (en) * | 2016-01-12 | 2016-06-08 | 福建华东水务有限公司 | Rotary drum fine grille |
| CN105664565A (en) * | 2016-03-31 | 2016-06-15 | 常州工程职业技术学院 | Drum type micro-filter |
| CN207384968U (en) * | 2017-06-20 | 2018-05-22 | 石河子大学 | A kind of horizontal twin-roll backwash filter |
-
2017
- 2017-06-20 CN CN201710470223.8A patent/CN107096278A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2235846Y (en) * | 1995-07-06 | 1996-09-25 | 弘扬空调股份有限公司 | Water filtering device |
| US6000557A (en) * | 1998-12-02 | 1999-12-14 | Taiwan Semiconductor Manufacturing Company, Ltd. | Self-cleaning liquid filter and method for filtering a liquid |
| DE202004011107U1 (en) * | 2004-07-13 | 2004-10-07 | Ffg Flensburger Fahrzeugbau Gesellschaft Mbh | Assembly for the separation of water from drilling mud has two drum filters on a horizontal powered shaft, within each other, with inner water jet lances and outer scrapers for cleaning |
| CN2858031Y (en) * | 2005-12-14 | 2007-01-17 | 中国科学院海洋研究所 | Double-filter automatic back flushing seawater suspend particle removal device |
| CN202237494U (en) * | 2011-09-06 | 2012-05-30 | 叶勤 | Filter |
| CN202315514U (en) * | 2011-11-30 | 2012-07-11 | 洛瓦空气工程(上海)有限公司 | Rotary water filter with garbage collection disk and injection device |
| GB201212819D0 (en) * | 2012-07-19 | 2012-09-05 | Siemens Vai Metals Tech Gmbh | Drum cleaner |
| CN203935689U (en) * | 2014-04-25 | 2014-11-12 | 成都凯亚美机械制造有限公司 | A kind of efficient backwash microfilter device |
| CN205182325U (en) * | 2015-11-16 | 2016-04-27 | 北京华夏源洁水务科技有限公司 | Driven type rotary drum (cone -element) micro -filtration device |
| CN105642004A (en) * | 2016-01-12 | 2016-06-08 | 福建华东水务有限公司 | Rotary drum fine grille |
| CN105498341A (en) * | 2016-01-21 | 2016-04-20 | 新疆石达赛特科技有限公司 | Filter |
| CN105664565A (en) * | 2016-03-31 | 2016-06-15 | 常州工程职业技术学院 | Drum type micro-filter |
| CN207384968U (en) * | 2017-06-20 | 2018-05-22 | 石河子大学 | A kind of horizontal twin-roll backwash filter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432860A (en) * | 2018-11-27 | 2019-03-08 | 年赞文 | A kind of filter sewage processing unit |
| CN116617750A (en) * | 2023-07-20 | 2023-08-22 | 定州市蓝宇环保设备有限公司 | Micro-filter with self-cleaning function |
| CN116617750B (en) * | 2023-07-20 | 2023-09-15 | 定州市蓝宇环保设备有限公司 | Micro-filter with self-cleaning function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101517985B1 (en) | a strainer | |
| CN105879466B (en) | A kind of forebay of driving coghill net formula certainly filter | |
| CN2773052Y (en) | Assembled device with normal water and purified water | |
| CN208829405U (en) | A kind of sandfiltration pot | |
| CN107096278A (en) | A kind of horizontal twin-roll backwash filter | |
| CN108434858A (en) | Self-cleaning net cylinder formula continuous filter | |
| CN106731105A (en) | A kind of open self-cleaning pump front filter and contaminant filter method | |
| CN207384968U (en) | A kind of horizontal twin-roll backwash filter | |
| CN109650587B (en) | Multistage gardens sewage regeneration system that subsides | |
| CN205699727U (en) | A kind of self-driven coghill net formula forebay filter | |
| CN209017411U (en) | Alkaline land improvement system | |
| CN103480187A (en) | Power-free rapid backwashing filter | |
| CN208372631U (en) | Floatation type is without press filtering device before pumping | |
| JP2000210505A (en) | Intake apparatus by filter device utilizing riverbed | |
| CN215539100U (en) | Water conservancy pipeline filter equipment | |
| CN104372850B (en) | Park rainwater collecting and treating system | |
| EP2251071A1 (en) | Retention system for water-waste water mixtures in filter assembly backwash processes | |
| CN203602444U (en) | Filter special for farmland spray and drip irrigation | |
| CN206334419U (en) | A kind of open self-cleaning pump front filter | |
| CN208406337U (en) | Self-cleaning net cylinder formula continuous filter | |
| CN217175096U (en) | A drainage device for landscape river system | |
| CN207775979U (en) | A kind of high building rainwater and domestic water recycle device | |
| CN206521348U (en) | A kind of circulating water strainer | |
| CN206793179U (en) | A kind of drip irrigation self-priming well strainer | |
| CN208493376U (en) | One planting fruit-trees, which is irrigated, uses High-efficient Water filtering ponds |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170829 |