CN206325269U - The continuous sand filtration apparatus of level stream - Google Patents
The continuous sand filtration apparatus of level stream Download PDFInfo
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- CN206325269U CN206325269U CN201621325431.6U CN201621325431U CN206325269U CN 206325269 U CN206325269 U CN 206325269U CN 201621325431 U CN201621325431 U CN 201621325431U CN 206325269 U CN206325269 U CN 206325269U
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Abstract
The utility model is related to a kind of continuous sand filtration apparatus of level stream, and the equipment includes cylinder, raw water water inlet component, sand filter bed, carries sand washing sand component and filter water outlet component, and sand filter bed is made up of in cylinder filter sand；Raw water water inlet component includes water inlet pipe and water-distributing device；Carrying sand washing sand component includes sand extraction tube, sand-washing device and blow-off pipe, and the filter sand of cylinder body bottom is transferred in sand-washing device by sand extraction tube, is entered after cleaning by sand-washing device at the top of sand filter bed, and blow-off pipe discharges the sewage in sand-washing device；Filter water outlet component includes water collector and outlet pipe.The continuous sand filtration apparatus of level stream of the present utility model, filter area is big, and excessively stream speed is controllable; the efficiency of filter sand is reached maximization, have the advantages that applicable water quality scope is wide, high financial profit, and without shutting down backwash; stable effluent quality, it is simple to operate, it is easy to maintenance.
Description
Technical field
The utility model is related to water treatment facilities, more particularly to a kind of continuous sand filtration apparatus of level stream.
Background technology
Sand filtration is usually used in the advanced treating of Water purification or raw water after two stage treatment, and main function is consolidating in trap water
Body particle and colloid, make clarification of water.Filter medium in traditional fixed bed sand filtration, filter process（That is sand）It is fixed.Operation
After certain time, filter medium is suspended thing obstruction, and the filtration resistance increase of filter bed, the rate of filtration of raw water is reduced, equipment
Water-yielding capacity declines, and now has to interrupt filter process, carries out backwash operation, realize the regeneration of filter bed.
Continuous sand filtration apparatus, is a kind of filter with washed-out sand while the solid-liquid separating equipment carried out, is not required to shut down to filtering Jie
Matter is cleaned, and can guarantee that filter operation is continuously run, and with floor space it is small, simple in construction, repair convenient, working condition
The advantages of stable and automatic management level is high.
Existing continuous sand filtration apparatus, water filtration process and sand clean cycle process are all only in vertical direction and carried out, mistake
Filtering surface accumulates the horizontal sectional area for being limited to equipment, and layer of sand utilizes insufficient；And excessively stream speed is single, it is unfavorable for different size solids
The deposition of suspension.
Utility model content
The purpose of this utility model is there is provided a kind of continuous sand filtration apparatus of level stream, to solve in existing sand filtration technology
The problem of layer of sand filter area is limited, layer of sand utilizes insufficient and single excessively stream speed.
The utility model solves the technical scheme that its technical problem used：
A kind of continuous sand filtration apparatus of level stream, the equipment includes cylinder, raw water water inlet component, sand filter bed, puies forward sand washing sand group
Part and filter water outlet component,
Sand filter bed is made up of in cylinder filter sand；
Raw water water inlet component includes water inlet pipe and sends into raw water in sand filter bed and equally distributed water-distributing device, water inlet pipe
It is connected with water-distributing device, the facade of water-distributing device is provided with multiple water outlet ducts, and water-distributing device is in sand filter bed；
Carrying sand washing sand component includes sand extraction tube, sand-washing device and blow-off pipe, and the filter sand of cylinder body bottom is transferred to by sand extraction tube
In sand-washing device, entered after cleaning by sand-washing device at the top of sand filter bed, blow-off pipe discharges the sewage in sand-washing device；
Filter water outlet component, including water collector and outlet pipe, water collector form collecting space in cylinder, water collector with
The side of sand filter bed adjoining has water inlet duct, and outlet pipe is connected with water collector.Washed-out sand in the continuous sand filtration apparatus of the level stream
Device can be located at inner barrel, can also be outside cylinder.The purpose of water collector is the filtering that will be filtrated to get through sand filter bed
Water is separated with sand filter bed, and is stored in collecting space.The filter water being filtrated to get through the sand filter bed is discharged cylinder by outlet pipe
Body.
Preferably, the water-distributing device is arranged on the axis direction of cylinder；Or, being distributed along cylinder inboard wall.
Preferably, the water-distributing device is formed with the sieve plate system of enclosing with wedge shaped wires filtering surface, or perforated pipe, bar
One kind in slotted screen, or combinations several above；The water collector is formed with the sieve plate system of enclosing with wedge shaped wires filtering surface,
Or one kind in perforated pipe, wedge wire screen, microfiltration membranes, milipore filter, or combinations several above.
Preferably, the water collector includes sieve plate and the cover plate positioned at sieve plate upper and lower ends, sieve plate and two cover plates exist
Collecting space is formed in cylinder.
Preferably, when the water-distributing device is distributed along cylinder inboard wall, the water collector is arranged on the axis side of cylinder
Upwards.
Preferably, sieve plate in the water collector be uniformly arranged along cylinder inboard wall arc piece, halfpace piece, bent sheet,
The laminated structure of plain film or other geometric formats, sieve plate it is raised towards tubular axis；Or, the sieve plate, which is barrel dliameter, is less than cylinder
And the cylinder of water distributing pore is distributed with.According to different process demand, water collector may be alternatively provided as other forms, such as full wafer continuous type,
Rectangular sheet cabinet-type etc..
Preferably, the water collector is provided with least one branch header with cylinder ft connection, each Bifurcation Set
The outlet of water pipe is connected in cylinder body outer wall with outlet pipe by pipeline.
Preferably, the sand-washing device bottom opening, sand-washing device bottom, which has, stops and slows down disturbing for filter sand decrease speed
Stream portion.
Preferably, the bottom of sand-washing device is necking, the spoiler is multiple gears in sand-washing device bottom interior wall
Piece or internal thread runner.
Preferably, the cylinder top is taper, middle part is cylinder, and bottom is back taper；Or cylinder top is circle
Cylinder section, bottom is back taper.
The preferred form that water-distributing device is arranged on tubular axis direction, water collector is distributed along cylinder inboard wall is such as used, then mistake
During filter, raw water flows through filter sand from inside to outside along cylinder radial direction；During radial filter, the working face of filter bed gradually increases
Greatly, correspondingly, the filtering rate of raw water is gradually reduced, and raw water increases with filter sand time of contact；That is, internal layer flow velocity is fast, in water
Large scale suspended particulate or pollutant are blocked, and outer layer flow velocity is slow, and beneficial to the deposition of small size pollutant, radial filter makes
The efficiency of filter sand reaches maximization.
The continuous sand filtration apparatus filter area of level stream of the present utility model is big, and excessively stream speed is controllable, reaches the efficiency of filter sand
To maximization, have the advantages that applicable water quality scope is wide, high financial profit, and without shutting down backwash, stable effluent quality, behaviour
Make simple, it is easy to maintenance.Compared with prior art, the beneficial effects of the utility model：
1. increase filter area.Existing fixation or continuous sand filtration apparatus, raw water enter sand filter bed from bottom water-locator,
Bottom-up to be filtered, filter area is only sand filtration apparatus horizontal sectional area.Using vertical water distribution manner, raw water level flows through
Filter bed, filter area is greatly increased, and can both improve effluent quality, and filter sand consumption can be reduced again.
2. control excessively stream speed.Using vertical water distribution manner, raw water increases, flow-passing surface when being flowed to barrel with radius
Product increase, excessively stream speed gradually reduces, and raw water increases with filter sand time of contact, and different size solid suspensions are from inside to outside gradually
Deposition, the efficiency of filter sand is maximized, have the advantages that applicable water quality scope extensively, high financial profit.
3. continuous operation.This sand filtration apparatus is backwashed without shutting down, stable effluent quality, can set up control valve control pipe
Road, it is simple to operate, it is easy to maintenance.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the continuous sand filtration apparatus of level stream of the utility model.
Fig. 2 is Fig. 1 A-A sectional views.
Fig. 3 is the structural representation of the continuous sand filtration apparatus of another level stream of the utility model.
Fig. 4 is Fig. 3 B-B sectional views.
In figure：1. cylinder, 2. water inlet pipes, 3. water-distributing devices, 4. sand filter beds, 5. sand extraction tubes, 6. sand-washing devices, 7. water collectors,
71. sieve plate, 72. cover plates, 8. branch headers, 9. outlet pipes, 10. blow-off pipes.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, the technical solution of the utility model is made further specifically
It is bright.It should be appreciated that implementation of the present utility model is not limited to the following examples, any form done to the utility model
On accommodation and/or change fall within the utility model protection domain.
Embodiment one
The continuous sand filtration apparatus of a kind of level stream as depicted in figs. 1 and 2, the equipment include cylinder 1, raw water water inlet component,
Sand filter bed 4, carry sand washing sand component and filter water outlet component.
The top of cylinder 1 is taper, and middle part is cylinder, and bottom is back taper.
Raw water water inlet component is made up of water inlet pipe 2 and water-distributing device 3；The conical upper of water inlet pipe 2 through cylinder 1 stretches into cylinder
In vivo, into sand filter bed 4, it is connected with water-distributing device 3；Water-distributing device 3 is arranged on the axis direction of cylinder 1, and positioned at sand filter bed 4
Interior, the top of water-distributing device 3 is slightly below the lower edge on barrel taper top, and the outlet at bottom of water-distributing device 3 is in cylinder back taper
On bottom, the lower edge with cylinder cylindrical central part is concordant, and it is that raw water is sent into sand filter bed and is uniformly distributed that it, which is acted on,；The cloth
Water installations 3 are formed with the sieve plate system of enclosing with wedge shaped wires filtering surface, and raw water uniformly gently enters sand filtration by the screen slot of sieve plate
Bed 4.The cloth water-bound of the utility model water-distributing device 3 is not limited thereto, and this example is only preferred.
Sand filter bed 4, is made up of filter sand, in cylinder 1, and from the extension of the bottom up of cylinder 1, sand filter bed has a taper
Top, is easy to dirty sand descending, and finally collect at the lower end mouth of pipe of sand extraction tube 5.Sand filter bed is used to filter raw water, and filter sand is raw water
The material of main part of purification filtering, can select the filter mediums such as quartz sand, activated carbon, anthracite, glass marble, haydite, should be according to original
The water quality requirement of water water quality and filter water selects the classification and grain composition of filter sand.The particle diameter of filter sand should be greater than water-distributing device and
The screen slot width of water collector.
Sand washing sand component is carried, is made up of sand extraction tube 5, sand-washing device 6 and blow-off pipe 10；The sand extraction tube 5 is intake positioned at raw water
In the water-distributing device 3 of component, the effect of sand extraction tube is to carry the dirty sand of the bottom of cylinder 1 to sand-washing device 6.The upper end of sand extraction tube 5
Stretch into and be arranged in the sand-washing device 6 of the upper end of cylinder 1, the lower end of sand extraction tube 5 is located at cylinder body bottom and provided with horn mouth.The washed-out sand
Device is arranged at the top of the conical upper of cylinder 1, and sand-washing device is in the tubular structure of upper and lower opening, the bottom of sand-washing device for necking and
The inwall of its bottom is provided with multiple catch, and the upper end outer wall of sand extraction tube 5 is provided with the flow deflector coordinated with the catch, catch
Tilted downward with flow deflector, the function of catch and flow deflector is from sand-washing device after the dirty sand extracted from cylinder body bottom is cleaned
Inside flow slowly at the top of sand filter bed, control speed not destroy the structure of sand filter bed.Compared with the mode of peripheral hardware sand extraction tube 5, carry
Sandpipe 5 is arranged on capable of reducing energy consumption in water-distributing device 3.The sand-washing device 6, for cleaning the dirty sand above carried by sand extraction tube 5, cleaning
Afterwards, cleaning sand is fallen after rise to the surface of sand filter bed 4；It is communicated with the side wall of sand-washing device 6 to outside blow-off pipe 10, blow-off pipe
10 by the pollutant on dirty sand surface and a small amount of continuous sand filtration apparatus of rinse water discharge horizontal stream.
Filter water outlet component, is made up of water collector 7, branch header 8 and outlet pipe 9；The water collector 7, including table
Face is the sieve plate 71 and the cover plate 72 positioned at sieve plate upper and lower ends of wedge shaped wires filtering surface, and sieve plate and two cover plates are formed in cylinder
Collecting space, the bottom of water collector 7 is provided with the branch header 8 with cylinder ft connection, and the outlet of each branch header 8 is in cylinder
External wall is connected with outlet pipe 9 by pipeline.Screen slot of the filter water through sieve plate through sand filter bed 4 enters inside water collector 7, such as
Shown in Fig. 2, the sieve plate of the present embodiment is arc piece, and number is 8, and 8 arc pieces are arranged along the inwall uniform intervals of cylinder 1, arc piece
It is raised towards tubular axis；The filter water being filtrated to get through the sand filter bed 4 is discharged cylinder 1 by the outlet pipe 9.
The continuous sand filtration water treatment technology of a kind of level stream realized using the continuous sand filtration apparatus of above-mentioned level stream, including it is following
Two processes：
（1）Filter process：Raw water enters the continuous sand filtration apparatus of level stream via water inlet pipe 2, passes through the sieve plate of water-distributing device 3
Screen slot uniformly gently enters sand filter bed 4, and flows through filter sand from inside to outside along the radial direction of cylinder 1.During radial filter, filter
The working face of bed gradually increases, and correspondingly, the filtering rate of raw water is gradually reduced, and raw water increases with filter sand time of contact.That is, it is interior
Laminar flow speed is fast, and large scale suspended particulate or pollutant in water are blocked；Outer layer flow velocity is slow, beneficial to small size pollutant
Deposition, radial filter makes the efficiency of filter sand reach maximization.Finally, filter water is collected by the water collector 7 of cylinder inwall, stream
Through branch header 8, collect to outlet pipe 9 and discharge.
（2）Washed-out sand process：The compressed air that air pump is produced is passed through the bottom of vertically arranged sand extraction tube 5 in cylinder, gas
Proposing effect drives the water of sand filter bed bottom and dirty sand to rise in the sand-washing device 6 on the top of cylinder 1.In sand extraction tube and sand-washing device 6,
The shearing force of collision friction and current between the complicated random mixing agitation of liquid-solid two-phase, sand grains, pollutes impurity
Thing departs from from sand grain surface, and impurity flows out blow-off pipe 10 because density is small under current hydraulic action, and cleaning filter sand is due to density
Big to drop back into filter bed surface, upper strata filter sand is mobile until being lifted again gradually downward with the lifting of the dirty sand in bottom.
Embodiment two
Such as a kind of Fig. 3 and Fig. 4 continuous sand filtration apparatus of level stream, including cylinder 1, raw water water inlet component, sand filter bed 4, carry
Sand washing sand component and filter water outlet component.
The top of cylinder 1 is cylindrical section, and bottom is back taper.
Raw water water inlet component is made up of water inlet pipe 2 and water-distributing device 3；The back taper bottom of water inlet pipe 2 through cylinder 1 is stretched into
In cylinder, into sand filter bed 4, it is connected with water-distributing device 3；Water-distributing device 3 is arranged on the axis direction of cylinder 1, and positioned at sand filtration
In bed 4, the bottom of water-distributing device 3 is on cylinder back taper bottom, and the lower edge with cylinder cylindrical section is concordant, its effect be by
Raw water is sent into sand filter bed and is uniformly distributed；The water-distributing device 3 uses perforated pipe, and perforated pipe is provided with equally distributed water distributing pore
Road, raw water uniformly gently enters sand filter bed 4 by prefabricated water distribution duct.The cloth water-bound of the utility model water-distributing device 3
It is not limited thereto, this example is only preferred.
Sand filter bed 4, is made up of filter sand, in cylinder 1, and from the extension of the bottom up of cylinder 1, sand filter bed has a taper
Top, is easy to dirty sand descending, and finally collect at the lower end mouth of pipe of sand extraction tube 5.Sand filter bed is used to filter raw water, and filter sand is raw water
The material of main part of purification filtering, can select the filter mediums such as quartz sand, activated carbon, anthracite, glass marble, haydite, should be according to original
The water quality requirement of water water quality and filter water selects the classification and grain composition of filter sand.
Sand washing sand component is carried, is made up of sand extraction tube 5, sand-washing device 6 and blow-off pipe 10；The sand extraction tube 5 is located at sand filtration cylinder 1
Cylinder back taper lower part outlet is connected by outside, sand extraction tube 5 with the top of sand-washing device 6.Sand extraction tube 5 is by the dirty sand of the bottom of cylinder 1
Carry to sand-washing device 6, compared with the interior mode for setting sand extraction tube 5, sand extraction tube 5, which is arranged on the outside of cylinder 1 and can simplify continuous sand filtration, to be set
Standby internal institutional framework, when continuous sand filtration apparatus goes wrong, convenient checks be difficult obstruction with maintenance, sand extraction tube 5；It is described
Sand-washing device 6, is arranged on the upper end of cylinder 1 and is fixed on the top of cylinder, and sand-washing device is in the tubular structure of upper and lower opening, sand-washing device
Bottom is provided with the internal thread runner for slowing down filter sand decline for the inwall of necking and its bottom, and the sand-washing device is used to clean by carrying sand
The dirty sand that pipe 5 is above carried, after cleaning, cleaning sand is fallen after rise to the surface of sand filter bed 4；It is communicated with the side wall of sand-washing device 6 to cylinder
Blow-off pipe 10 outside body, blow-off pipe 10 sets the pollutant on dirty sand surface and a small amount of continuous sand filtration of rinse water discharge horizontal stream
It is standby.
Filter water outlet component, is made up of water collector 7, branch header 8 and outlet pipe 9；The water collector 7, including cylinder
Footpath is less than the cylinder for being evenly distributed with water distributing pore and the annular cover plate positioned at cylinder upper and lower ends of cylinder 1, and cylinder is fixed on cylinder
On the inwall of body 1, enter water collector 7 through water distributing pore of the filter water through drum surface of sand filter bed 4；Cylinder and two cover plates are in cylinder
Internal wall forms the collecting space of annular, and the bottom of water collector 7 is provided with the branch header 8 with cylinder ft connection, each branch
The outlet of collector pipe 8 is connected in cylinder body outer wall with outlet pipe 9 by pipeline.The outlet pipe 9 will be filtered through the sand filter bed 4
The filter water discharge cylinder 1 arrived.
The utility model provides a kind of continuous sand filtration water treatment technology of level stream, including following two processes：
（1）Filter process：Raw water enters the continuous sand filtration apparatus of level stream via water inlet pipe 2, passes through the water distribution of water-distributing device 3
Duct uniformly gently enters sand filter bed 4, and flows through filter sand from inside to outside along the radial direction of cylinder 1.During radial filter, filter
The working face of bed gradually increases, and correspondingly, the filtering rate of raw water is gradually reduced, and raw water increases with filter sand time of contact.That is, it is interior
Laminar flow speed is fast, and large scale suspended particulate or pollutant in water are blocked；Outer layer flow velocity is slow, beneficial to small size pollutant
Deposition, radial filter makes the efficiency of filter sand reach maximization.Finally, filter water is received by the equally distributed water collector 7 of cylinder inwall
Collection gets up, and flows through branch header 8, collects to outlet pipe 9 and discharges.
（2）Washed-out sand process：The compressed air that air pump is produced is passed through the bottom of the outer sand extraction tube 5 of cylinder, and gas stripping drives
The water of sand filter bed bottom is risen in the top sand-washing device 6 of cylinder 1 with dirty sand.In sand extraction tube and sand-washing device 6, liquid-solid two-phase is complicated
The random collision friction mixed between agitation, sand grains and the shearing force of current, make foreign-matter contamination from sand grain surface
Depart from, impurity flows out blow-off pipe 10 because density is small under current hydraulic action, cleaning filter sand drops back into greatly filter bed table due to density
Face, upper strata filter sand is mobile until being lifted again gradually downward with the lifting of the dirty sand in bottom.
Embodiment described above is a kind of preferably scheme of the present utility model, not makees any to the utility model
Formal limitation, also has other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (9)
1. a kind of continuous sand filtration apparatus of level stream, it is characterised in that：The equipment includes cylinder, raw water water inlet component, sand filter bed, carried
Sand washing sand component and filter water outlet component,
Sand filter bed is made up of in cylinder filter sand；
Raw water water inlet component includes water inlet pipe and sends into raw water in sand filter bed and equally distributed water-distributing device, water inlet pipe and cloth
Water installations are connected, and the facade of water-distributing device is provided with multiple water outlet ducts, and water-distributing device is in sand filter bed；
Carrying sand washing sand component includes sand extraction tube, sand-washing device and blow-off pipe, and the filter sand of cylinder body bottom is transferred to washed-out sand by sand extraction tube
In device, entered after cleaning by sand-washing device at the top of sand filter bed, blow-off pipe discharges the sewage in sand-washing device；
Filter water outlet component, including water collector and outlet pipe, water collector form collecting space, water collector and sand filtration in cylinder
The adjacent side of bed has water inlet duct, and outlet pipe is connected with water collector.
2. the continuous sand filtration apparatus of level stream according to claim 1, it is characterised in that：The water-distributing device is arranged on cylinder
Axis direction on or be distributed along cylinder inboard wall.
3. the continuous sand filtration apparatus of level stream according to claim 1 or 2, it is characterised in that：The water collector includes sieve plate
With the cover plate positioned at sieve plate upper and lower ends, sieve plate and two cover plates form collecting space in cylinder.
4. the continuous sand filtration apparatus of level stream according to claim 1, it is characterised in that：When the water-distributing device is along along cylinder
When wall is distributed, the water collector is arranged on the axis direction of cylinder.
5. the continuous sand filtration apparatus of level stream according to claim 1, it is characterised in that：The water-distributing device is to use to have wedge
The sieve plate system of enclosing of shape silk filtering surface is formed, or one kind in perforated pipe, wedge wire screen, or combinations several above；The collection
Hydrophone is formed with the sieve plate system of enclosing with wedge shaped wires filtering surface, or one in perforated pipe, wedge wire screen, microfiltration membranes, milipore filter
Kind, or combinations several above.
6. the continuous sand filtration apparatus of level stream according to claim 5, it is characterised in that：Sieve plate in the water collector is edge
Arc piece, halfpace piece, bent sheet or plain film that cylinder inboard wall is uniformly arranged, sieve plate it is raised towards tubular axis；Or, the sieve plate
It is less than cylinder for barrel dliameter and the cylinder of water distributing pore is distributed with.
7. the continuous sand filtration apparatus of level stream according to claim 5, it is characterised in that：The water collector be provided with outside cylinder
At least one branch header of portion's connection, the outlet of each branch header passes through pipeline phase in cylinder body outer wall with outlet pipe
Even.
8. the continuous sand filtration apparatus of level stream according to claim 1, it is characterised in that：The sand-washing device bottom opening, is washed
Sand device bottom has the spoiler for stopping and slowing down filter sand decrease speed.
9. the continuous sand filtration apparatus of level stream according to claim 8, it is characterised in that：The bottom of sand-washing device is necking, institute
It is the multiple catch or internal thread runner in sand-washing device bottom interior wall to state spoiler.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621325431.6U CN206325269U (en) | 2016-12-06 | 2016-12-06 | The continuous sand filtration apparatus of level stream |
| PCT/CN2017/112509 WO2018103534A1 (en) | 2016-12-06 | 2017-11-23 | Horizontal-flow continuous sand filtration apparatus and water treatment process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621325431.6U CN206325269U (en) | 2016-12-06 | 2016-12-06 | The continuous sand filtration apparatus of level stream |
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| Publication Number | Publication Date |
|---|---|
| CN206325269U true CN206325269U (en) | 2017-07-14 |
Family
ID=59288307
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621325431.6U Active CN206325269U (en) | 2016-12-06 | 2016-12-06 | The continuous sand filtration apparatus of level stream |
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| CN (1) | CN206325269U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621493A (en) * | 2016-12-06 | 2017-05-10 | 欧盛腾水处理技术（杭州）有限公司 | Horizontal flow continuous sand filtration equipment and water treatment process thereof |
| WO2018103534A1 (en) * | 2016-12-06 | 2018-06-14 | 欧盛腾水处理技术（杭州）有限公司 | Horizontal-flow continuous sand filtration apparatus and water treatment process thereof |
| CN108452560A (en) * | 2018-02-13 | 2018-08-28 | 佛山市澳霆环境设备制造有限公司 | A kind of sand cylinder washer |
| CN111686486A (en) * | 2019-03-12 | 2020-09-22 | 北京奥博水处理有限责任公司 | Movable medium filtering device |
| CN112638493A (en) * | 2018-09-14 | 2021-04-09 | 尼佩创新公司 | Biofilter device for fish farming system |
-
2016
- 2016-12-06 CN CN201621325431.6U patent/CN206325269U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621493A (en) * | 2016-12-06 | 2017-05-10 | 欧盛腾水处理技术（杭州）有限公司 | Horizontal flow continuous sand filtration equipment and water treatment process thereof |
| WO2018103534A1 (en) * | 2016-12-06 | 2018-06-14 | 欧盛腾水处理技术（杭州）有限公司 | Horizontal-flow continuous sand filtration apparatus and water treatment process thereof |
| CN108452560A (en) * | 2018-02-13 | 2018-08-28 | 佛山市澳霆环境设备制造有限公司 | A kind of sand cylinder washer |
| CN112638493A (en) * | 2018-09-14 | 2021-04-09 | 尼佩创新公司 | Biofilter device for fish farming system |
| CN111686486A (en) * | 2019-03-12 | 2020-09-22 | 北京奥博水处理有限责任公司 | Movable medium filtering device |
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