CN105817060B - It is rotary to wash filter by rubbing with the hands certainly - Google Patents
It is rotary to wash filter by rubbing with the hands certainly Download PDFInfo
- Publication number
- CN105817060B CN105817060B CN201610352314.7A CN201610352314A CN105817060B CN 105817060 B CN105817060 B CN 105817060B CN 201610352314 A CN201610352314 A CN 201610352314A CN 105817060 B CN105817060 B CN 105817060B
- Authority
- CN
- China
- Prior art keywords
- rubbing
- hands
- water
- pipe
- filter
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
- B01D24/12—Downward filtration, the filtering material being supported by pervious surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4668—Regenerating the filtering material in the filter by moving the filtering element
- B01D24/4673—Regenerating the filtering material in the filter by moving the filtering element using rotary devices or vibration mechanisms, e.g. stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D41/00—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
- B01D41/02—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of loose filtering material
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of rotatably from filter is washed by rubbing with the hands, including filter device, backwashing device and external scrubbing device, filter device includes filtering tank and automaticity device for filtering water；Backwashing device includes the second water inlet pipe and blow-off pipe；External scrubbing device includes sequentially connected outlet conduit, washes pump, Scrubbing apparatus and water return pipeline by rubbing with the hands.The present invention, interface increases the inhalation area of filtrate mixed liquor equipped with cone on second, improve filtrate washes efficiency by rubbing with the hands, second lower interface is equipped with water distribution uniformity system, improve the uniformity of distribution of the filtrate in filtering tank, filter effect can be greatly improved, solve the problems, such as that conventional filter water distribution is uneven, backwash is not thorough and existing external washes that the filtrate after filter is washed by rubbing with the hands cannot be uniformly distributed in filtering tank, to filter short stream, effluent quality poor by rubbing with the hands.
Description
Technical field
The present invention relates to the water treatment facilities of oil-contaminated water of oil field, and in particular to rotary to wash filter by rubbing with the hands certainly.
Background technology
In three adopt the progress for noting poly- engineering, sewage disposal of the oil field containing polymer is always that people are dedicated to research reconciliation
Object certainly.Since water quality is unstable, polymer content is higher in water, and traditional backwash mode is mostly internal scrubbing type, impeller
The problems such as stirring-type etc., generally existing backwash water consumption is big, and water distribution is uneven, and backwash is not thorough, and filtrate is hardened.
In order to solve problem above, 2661289 Y of Chinese utility model patent CN disclose a kind of outer scrubbing type filtering
Device, the install medium pump on filtering tank backwash pipeline, is connected with by pipeline and control valve and washes tank by rubbing with the hands, it can be achieved that circulation cleaning
It washes.
In addition, 204601725 U of Chinese utility model patent CN disclose a kind of cycle from filter is washed by rubbing with the hands, in filter
Interior setting back purge system, scrubbing device and medicine cleaning device, can solve that water water quality is unstable, backwash energy consumption is big, backwash effect
The defects of fruit is poor, but can not achieve the desired results.
But there is no play problems with good improvement to the two：
1. filtrate wash by rubbing with the hands washed by rubbing with the hands there are dead angle, filtrate it is uneven；
2. the filtrate after washing by rubbing with the hands, which enters in filtering tank, to be uniformly distributed, cause to filter short stream, effluent quality is poor；
3. screen casing water distribution structure, water distribution is uneven, and filtrate backwash is not thorough；
It can be seen that current scrubbing device, which exists, washes uneven, poor filtration effect and the halfway problem of backwash by rubbing with the hands.
Invention content
The technical problems to be solved by the invention are, current scrubbing device exist wash by rubbing with the hands uneven, poor filtration effect and
The halfway problem of backwash.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention was rotatably washed by rubbing with the hands certainly there is provided a kind of
Filter, including：
Filter device, including filtering tank and automaticity device for filtering water, the filtering tank is equipped with interface on first, is connect on second
Mouthful, the first lower interface and the second lower interface, the inner end of interface is equipped with opening up screen drum on described first, is connect on described second
Mouthful inner end be equipped with downward opening cone, the automaticity device for filtering water include the first water inlet pipe and outlet pipe, described first into
Orifice on water pipe and described first, the outlet pipe are connected with first lower interface, and oily wastewater to be treated is certainly
First water inlet pipe enters in the filtering tank, and after filtering, clean water is discharged by the outlet pipe；
Backwashing device, including the second water inlet pipe and blow-off pipe, orifice on the blow-off pipe and described first, institute
It states the second water inlet pipe to connect with first lower interface, backwashing water enters from second water inlet pipe in the filtering tank, right
Filtrate in the filtering tank is backwashed, and the sewage after backwash is discharged by the blow-off pipe；
External scrubbing device including sequentially connected outlet conduit, washes pump, Scrubbing apparatus and water return pipeline, the water outlet by rubbing with the hands
Orifice on pipeline and described second, the water return pipeline are connected with second lower interface, second lower interface it is interior
End is equipped with water distribution uniformity system, and the mixture of water and filtrate comes out through interface on described second, through it is described wash by rubbing with the hands pump be pumped into it is described
In Scrubbing apparatus, oil, suspended matter after washing by rubbing with the hands are discharged after washing by rubbing with the hands by blow-off pipe, and water and filtrate enter institute through second lower interface
Filtering tank is stated, cycle is washed by rubbing with the hands.
The agitating shaft driven by Electric Actuator is equipped in said program, in the filtering tank, is set on the agitating shaft
There are agitator arm and rotary nozzle, the inner end of second lower interface is arranged on inside the rotary nozzle.
In said program, the agitating shaft is linked by transmission shaft and the Electric Actuator, the Electric Actuator
Bolt is fixed in first support, and the first support is fixed by second support and tank deck flange, the first support and institute
It states and sealing device is equipped between second support.
In said program, the transmission shaft is connect with the Electric Actuator by spline, the agitating shaft with it is described
Transmission shaft is connected by spline.
In said program, the first support and the second support are bolted, the transmission shaft with it is described
Self-lubricating bearing is equipped between second support.
In said program, the inside bottom of the filtering tank is equipped with retainer plate, the rotary nozzle and the retainer plate
For clearance fit, and sealing ring is equipped between the rotary nozzle and the retainer plate, the water distribution uniformity system includes sieve plate
It is supported with sieve plate, the sieve plate support is fixed on the retainer plate, the sieve plate support is equipped with dismountable sieve plate.
In said program, first water inlet pipe, blow-off pipe, the second water inlet pipe, outlet pipe, outlet conduit and described time
Shut-off valve is respectively equipped on waterpipe.
In said program, the Scrubbing apparatus is equipped with Scrubbing apparatus blow-off pipe.
In said program, second water inlet pipe is connect with backwashing pump.
In said program, the top of the filtering tank is equipped with collection tube.
The present invention, interface increases the inhalation area of filtrate mixed liquor equipped with cone on second, improves filtrate
Wash efficiency by rubbing with the hands, the second lower interface is equipped with water distribution uniformity system, improves the uniformity of distribution of the filtrate in filtering tank, can be big
It is big to improve filter effect, it solves that conventional filter water distribution is uneven, backwash is not thorough and existing external washes filter stranding by rubbing with the hands
The problem of filtrate after washing cannot be uniformly distributed in filtering tank, filter short stream, effluent quality is poor.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the enlarged structure schematic diagram of B in Fig. 1；
Fig. 3 is the structure diagram of Section A-A in Fig. 1；
Fig. 4 is the structure diagram of the filtering pot bottom of the present invention.
Specific embodiment
The present invention is described in detail with reference to specific embodiment and Figure of description.
As shown in Figure 1, the present invention provides a kind of rotatably from filter is washed by rubbing with the hands, including filter device, back purge system
With external scrubbing device.
Filter device includes filtering tank 29 and automaticity device for filtering water, and filtering tank 29 is equipped on first and is connect on interface 31, second
Mouthful the 35, first lower interface 32 and the second lower interface 36, the inner end of interface 31 is equipped with opening up screen drum 17 on first, on second
The inner end of interface 35 be equipped with downward opening cone 16, automaticity device for filtering water include the first water inlet pipe 2 and outlet pipe 3, first into
Water pipe 2 is connected with interface on first 31, and outlet pipe 3 is connected with the first lower interface 32, oily wastewater to be treated from first into
Water pipe 2 enters in filtering tank 29, and after filtering, clean water is discharged by outlet pipe 3.
Backwashing device includes the second water inlet pipe 4 and blow-off pipe 1, and blow-off pipe 1 connects with interface on first 31, second into
Water pipe 4 is connected with the first lower interface 32, and backwashing water enters from the second water inlet pipe 4 in filtering tank 29, to the filter in filtering tank 29
Material 28 is backwashed, and the sewage after backwash is discharged by blow-off pipe 1.
External scrubbing device includes sequentially connected outlet conduit 6, washes pump 26, Scrubbing apparatus 27 and water return pipeline 8 by rubbing with the hands, is discharged
Pipeline 6 is connected with interface on second 35, and water return pipeline 8 is connected with the second lower interface 36, and the inner end of the second lower interface 36 is equipped with
The mixture of even water distribution system, water and filtrate 28 comes out through interface 35 on second, is pumped into Scrubbing apparatus 27, washes by rubbing with the hands through washing pump 26 by rubbing with the hands
Oil, suspended matter afterwards is discharged after washing by rubbing with the hands by blow-off pipe 1, and water and filtrate 28 enter filtering tank 29, cycle through the second lower interface 36
It washes by rubbing with the hands.
As shown in Fig. 2, being equipped with the agitating shaft 15 driven by Electric Actuator 24 in filtering tank 29, agitating shaft 15 passes through transmission
Axis 22 links with Electric Actuator 24, and 24 bolt of Electric Actuator is fixed in first support 23, and first support 23 passes through second
Stent 18 is fixed with tank deck flange 37, and sealing device is equipped between first support 23 and second support 18.Sealing device is by sealing
Letter 30 and the O-ring seal 21 being arranged between sealed letter 30 and transmission shaft 15 form.Transmission shaft 22 is logical with Electric Actuator 24
Spline connection is crossed, agitating shaft 15 is connect with transmission shaft 22 by spline.First support 23 and second support 18 are bolted,
Self-lubricating bearing 19 is equipped between transmission shaft 22 and second support 18.
As shown in Figures 2 and 3, agitating shaft 15 be equipped with agitator arm 14 and rotary nozzle 12, the second lower interface 36 it is interior
End is arranged on inside rotary nozzle 12.Rotary nozzle 12 is connect with transmission shaft II 15 using spline, and uses trim ring 13 and briquetting
25 fix its radial position, prevent rotary nozzle 12 from generating slip under hydraulic pressure effect, and briquetting 25 uses bolt with retainer plate 11
Connection.
The inside bottom of filtering tank 29 is equipped with retainer plate 11, and rotary nozzle 12 is clearance fit with retainer plate 11, and is rotated
Sealing ring 33 is equipped between nozzle 12 and retainer plate 11, water distribution uniformity system includes sieve plate 10 and sieve plate support 30, retainer plate 11
On be fixed with sieve plate support 30, sieve plate support 30 be equipped with dismountable sieve plate 10.Water distributing pore is uniformly provided on retainer plate 11, from
The water that rotary nozzle 12 comes out can pass through water distributing pore and uniformly divide less than in filtrate 28.
It is set respectively on first water inlet pipe 2, blow-off pipe 1, the second water inlet pipe 4, outlet pipe 3, outlet conduit 6 and water return pipeline 8
There is shut-off valve.
Scrubbing apparatus 27 is equipped with Scrubbing apparatus blow-off pipe 7.Second water inlet pipe 4 is connect with backwashing pump 34.The top of filtering tank 29
Portion is equipped with collection tube 5.
The bottom of filtering tank 29 is additionally provided with blow-down pipe 9, for emptying filtrate or the filtrate in filtering tank.
The operation principle of the present invention is as follows：
During filtering, the shut-off valve of the first water inlet pipe 2, the first water inlet pipe 2 is opened, remaining each valve is closed, and oily wastewater is by the
Interface 31 on one water inlet pipe 2, first, screen drum 17 enter in filtering tank 29, oily wastewater after the filtering of filtrate 28 by sieve plate 10,
Retainer plate 11, the first lower interface 32 enter outlet pipe 3.
During normal backwash, the shut-off valve of the second water inlet pipe 4, blow-off pipe 1 is opened, remaining each valve is closed, and backwashes water
Through backwashing pump 34, the second water inlet pipe 4, retainer plate 11, sieve plate 10, filtrate 28, into the oil that in filtering tank 29, filtrate peels off and
Suspended matter enters blow-off pipe 1 through screen drum 17.Normal backwashing time 8~15 minutes, backwash cycle are 24 hours.
When washing by rubbing with the hands in vitro, the shut-off valve of the first water inlet pipe 2, outlet conduit 6, water return pipeline 8 is opened, opens 5 He of collection tube
Scrubbing apparatus blow-off pipe 7, remaining valve are closed, and backwash supplement water enters through interface 31, screen drum 17 on the first water inlet pipe 2, first
In filtering tank 29, wash pump 26 by rubbing with the hands and water and filtrate mixed liquor are delivered to stranding through interface 35, outlet conduit 6 on horn mouth 16, second
Device 27 is washed, sewage is discharged through Scrubbing apparatus blow-off pipe 7 and collection tube 5, and the water and filtrate mixed liquor after washing by rubbing with the hands are through water return pipeline 8,
Two lower interfaces 36, rotary nozzle 12 are distributed in filtering tank 29.Rotary nozzle 12 is driven to rotate realization filter by Electric Actuator 24
Material is uniformly distributed.It washes by rubbing with the hands 8 minutes, washes the period by rubbing with the hands 24 hours, normal backwash ensures filtering layer rearrangement, while filtrate is peeled off
Oil and suspended matter discharged through screen drum 17, blow-off pipe 1.
The present invention, interface increases the inhalation area of filtrate mixed liquor equipped with cone on second, improves filtrate
Wash efficiency by rubbing with the hands, the second lower interface is equipped with water distribution uniformity system, improves the uniformity of distribution of the filtrate in filtering tank, can be big
It is big to improve filter effect, it solves that conventional filter water distribution is uneven, backwash is not thorough and existing external washes filter stranding by rubbing with the hands
The problem of filtrate after washing cannot be uniformly distributed in filtering tank, filter short stream, effluent quality is poor.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn that the knots made under the enlightenment of the present invention
Structure changes, and the technical schemes that are same or similar to the present invention are each fallen within protection scope of the present invention.
Claims (7)
1. rotary wash filter by rubbing with the hands certainly, which is characterized in that including：
Filter device, including filtering tank and automaticity device for filtering water, the filtering tank is equipped with interface on first, interface on second, the
One lower interface and the second lower interface, the inner end of interface is equipped with opening up screen drum on described first, interface on described second
Inner end is equipped with downward opening cone, and the automaticity device for filtering water includes the first water inlet pipe and outlet pipe, first water inlet pipe
With orifice on described first, the outlet pipe is connected with first lower interface, and oily wastewater to be treated is described in
First water inlet pipe enters in the filtering tank, and after filtering, clean water is discharged by the outlet pipe；
Backwashing device, including the second water inlet pipe and blow-off pipe, orifice on the blow-off pipe and described first, described
Two water inlet pipes are connected with first lower interface, and backwashing water enters from second water inlet pipe in the filtering tank, to described
Filtrate in filtering tank is backwashed, and the sewage after backwash is discharged by the blow-off pipe；
External scrubbing device including sequentially connected outlet conduit, washes pump, Scrubbing apparatus and water return pipeline, the outlet conduit by rubbing with the hands
With orifice on described second, the water return pipeline is connected with second lower interface, and the inner end of second lower interface is set
There is a water distribution uniformity system, the mixture of water and filtrate comes out through interface on described second, and described wash by rubbing with the hands is pumped into through the pump of washing by rubbing with the hands
In device, oil, suspended matter after washing by rubbing with the hands are discharged after washing by rubbing with the hands by blow-off pipe, and water and filtrate enter the mistake through second lower interface
Filter tank, cycle are washed by rubbing with the hands；
The agitating shaft driven by Electric Actuator is equipped in the filtering tank, the agitating shaft is equipped with agitator arm and rotation spray
Head, the inner end of second lower interface are arranged on inside the rotary nozzle；The agitating shaft by transmission shaft with it is described electronic
Actuator links, and the Electric Actuator bolt is fixed in first support, and the first support passes through second support and tank deck
Flange is fixed, and sealing device is equipped between the first support and the second support；The inside bottom of the filtering tank is equipped with
Retainer plate, the rotary nozzle is clearance fit with the retainer plate, and is equipped between the rotary nozzle and the retainer plate
Sealing ring, the water distribution uniformity system includes sieve plate and sieve plate supports, and the sieve plate support is fixed on the retainer plate, described
Sieve plate support is equipped with dismountable sieve plate, and water distributing pore is uniformly provided on the retainer plate.
2. as described in claim 1 rotatably wash filter by rubbing with the hands certainly, which is characterized in that the transmission shaft and the electronic execution
Device is connected by spline, and the agitating shaft is connect with the transmission shaft by spline.
It is 3. as described in claim 1 rotary from washing filter by rubbing with the hands, which is characterized in that the first support and second described
Frame is bolted, and self-lubricating bearing is equipped between the transmission shaft and the second support.
It is 4. as described in claim 1 rotary from washing filter by rubbing with the hands, which is characterized in that first water inlet pipe, blow-off pipe, the
Shut-off valve is respectively equipped on two water inlet pipes, outlet pipe, outlet conduit and the water return pipeline.
5. as described in claim 1 rotatably wash filter by rubbing with the hands certainly, which is characterized in that the Scrubbing apparatus is arranged equipped with Scrubbing apparatus
Dirt pipe.
6. as described in claim 1 rotatably wash filter by rubbing with the hands certainly, which is characterized in that second water inlet pipe and backwashing pump
Connection.
7. as described in claim 1 rotatably wash filter by rubbing with the hands certainly, which is characterized in that the top of the filtering tank, which is equipped with, receives oil
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610352314.7A CN105817060B (en) | 2016-05-24 | 2016-05-24 | It is rotary to wash filter by rubbing with the hands certainly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610352314.7A CN105817060B (en) | 2016-05-24 | 2016-05-24 | It is rotary to wash filter by rubbing with the hands certainly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105817060A CN105817060A (en) | 2016-08-03 |
| CN105817060B true CN105817060B (en) | 2018-06-26 |
Family
ID=56531288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610352314.7A Active CN105817060B (en) | 2016-05-24 | 2016-05-24 | It is rotary to wash filter by rubbing with the hands certainly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105817060B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108854180B (en) * | 2018-08-29 | 2024-01-30 | 中国农业科学院农田灌溉研究所 | Rotary filter cap of sand filter for micro-irrigation |
| CN108975546B (en) * | 2018-09-25 | 2024-05-28 | 浙江金龙自控设备有限公司 | Fine filtering device for high-temperature water injection |
| CN113274780B (en) * | 2021-06-28 | 2022-09-23 | 江苏南大环保科技有限公司 | Continuous filtration adsorption process and device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10235917B3 (en) * | 2002-07-31 | 2004-05-13 | Hst-Wks Hydro-Systemtechnik Gmbh | Combined clear water floating sludge extraction device |
| JP6026842B2 (en) * | 2012-10-12 | 2016-11-16 | 水ｉｎｇ株式会社 | Cleaning method for water treatment equipment |
| CN203886251U (en) * | 2014-05-20 | 2014-10-22 | 南通星达过滤设备有限公司 | Spherical shallow filter system |
| CN104436775B (en) * | 2014-12-08 | 2017-01-25 | 赵向东 | Super-deep bed filter with external circulating cleaning function |
| CN104815463B (en) * | 2015-04-09 | 2017-01-25 | 浙江金龙自控设备有限公司 | Cycle self-cleaning filter |
| CN204601725U (en) * | 2015-04-09 | 2015-09-02 | 余金海 | Circulation is from washing filter by rubbing with the hands |
| CN205759940U (en) * | 2016-05-24 | 2016-12-07 | 浙江金龙自控设备有限公司 | Rotary from washing filter by rubbing with the hands |
-
2016
- 2016-05-24 CN CN201610352314.7A patent/CN105817060B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105817060A (en) | 2016-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201840924U (en) | Self-cleaning sewage filter | |
| CN105817060B (en) | It is rotary to wash filter by rubbing with the hands certainly | |
| CN103623626B (en) | High-efficiency energy-saving granular filter and backflushing method | |
| CN209735104U (en) | Backwashing device of micro-filter | |
| CN208839110U (en) | A kind of quartz filter | |
| CN211987459U (en) | Turnover type backwashing water supply filter | |
| CN211896409U (en) | Novel waste water treatment purifies jar | |
| CN211189368U (en) | Filtering device of reclaimed water recycling zero-emission equipment | |
| CN208250043U (en) | A kind of novel sewage precipitation pond | |
| CN205759940U (en) | Rotary from washing filter by rubbing with the hands | |
| CN208591608U (en) | A kind of fiber rotary disc filter | |
| CN202638103U (en) | Device for removing suspended particles in seawater | |
| CN109758812A (en) | Intelligent integral sewage disposal device | |
| CN205695522U (en) | A kind of Rhizoma Polygonati device for peeling | |
| CN105664719B (en) | A kind of water purifier automatic flushing device and cleaning method | |
| CN108328802A (en) | A kind of single-blade formula treatment reaction kettle | |
| CN210656428U (en) | Pure water treatment device | |
| CN210583836U (en) | Automatic cleaning filter | |
| CN209668942U (en) | A kind of sewage-treatment plant | |
| CN208802913U (en) | A kind of aquiculture waste water recycling and processing device | |
| CN208700656U (en) | A kind of The Wash sewage-treatment plant | |
| CN208776460U (en) | A kind of double paddle treatment reaction kettles | |
| CN207243630U (en) | One kind can self-cleaning industrial wastewater multiple purifying device | |
| CN110393957A (en) | Automatic cleaning filter | |
| CN208877987U (en) | A kind of filter plant of bio-pharmaceuticals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |