CN210905117U - Adjustable composite dynamic filtering device - Google Patents
Adjustable composite dynamic filtering device Download PDFInfo
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- CN210905117U CN210905117U CN201921695472.8U CN201921695472U CN210905117U CN 210905117 U CN210905117 U CN 210905117U CN 201921695472 U CN201921695472 U CN 201921695472U CN 210905117 U CN210905117 U CN 210905117U
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Abstract
The utility model discloses an adjustable composite dynamic filtering device, which comprises a tank body, wherein a filter material layer is filled in the middle of the tank body, a water inlet is arranged at the upper part of the tank body, a water outlet is arranged at the bottom of the tank body, the filter material layer comprises a fluidized bed layer at the top and a fixed bed layer at the lower part, and the thickness and/or the height of the fluidized bed layer are/is adjustable; a backwashing water discharge pipe is vertically arranged in the tank body, and a solid-liquid separator positioned in the tank body is arranged at the top end of the backwashing water discharge pipe; a water inlet branch pipe is arranged on the water inlet, and the tail end of the water inlet branch pipe is connected with the middle part of the backwashing water discharge pipe; the water inlet corresponds to the fluidized bed layer and is arranged in tangent with the tank body. The utility model discloses can adsorb in the fluidization precoat to great granule in intaking, and inside tiny particle pollutant deepened lower floor's filter bed in intaking, the great filter material of active catalyst medium specific surface area has increased the pollutant carrying capacity on the precoat in addition, has improved the filtration cycle time of filter.
Description
Technical Field
The utility model relates to a filter field especially relates to an adjustable compound dynamic filtration device.
Background
The filtration is the most common unit in the sewage treatment process, the most common filtration method is to make the sewage pass through a filter of fixed bed type filter material formed by granular substances such as quartz sand, anthracite and the like, suspended matters are intercepted and adsorbed by the filter material and are continuously accumulated in a fixed filter material bed layer, then the pores of the filter layer are gradually blocked by dirt, a filter cake is formed on the surface of the filter layer, and the filter material is regenerated by adopting air-water combined backwashing.
Suspended matters in sewage contain a large amount of organic matters, and long-time retention in a filter layer can cause the anaerobic putrefaction phenomenon caused by microorganism enrichment and reproduction, cause the phenomena of hardening of filter material adhesion and filter bed breakdown, cause short flow of the filter and cause the deterioration of effluent quality. Although the air-water combined backwashing regeneration is adopted, the filter material is difficult to recover as before.
In addition, the traditional filter has the defects of low filtering precision and filtering speed, large depth of a filter bed, wide occupied area of equipment, high backwashing water quantity of filter materials, high energy consumption of equipment operation and the like.
Disclosure of Invention
Problem to prior art existence, the utility model aims to provide an adjustable compound dynamic filtration device, this filter equipment makes partial filter material dynamic flow through tangential direction's intaking, guarantees the play water quality of filter, prevents that the anaerobism corruption from appearing and leading to the filter bed breakdown phenomenon.
In order to achieve the above purpose, the utility model discloses technical scheme as follows:
an adjustable composite dynamic filtering device comprises a tank body, wherein a filter material layer is filled in the middle of the tank body, a water inlet is formed in the upper part of the tank body, a water outlet is formed in the bottom of the tank body, the filter material layer comprises a fluidized bed layer at the top and a fixed bed layer at the lower part, and the thickness and/or height of the fluidized bed layer is adjustable; a backwashing water discharge pipe is vertically arranged in the tank body, and a solid-liquid separator positioned in the tank body is arranged at the top end of the backwashing water discharge pipe; a water inlet branch pipe is arranged on the water inlet, and the tail end of the water inlet branch pipe is connected with the middle part of the backwashing water discharge pipe; the water inlet corresponds to the fluidized bed layer and is arranged in tangent with the tank body.
Furthermore, the filter material layer comprises a plurality of layers of filter materials which are distributed up and down, the topmost filter material forms the fluidized bed layer, the filter materials are aluminosilicate active catalyst medium filter materials, and each layer of filter material corresponds to each different model.
Further, the total height of the filter material layer is 1-1.2 m.
Further, the bottom of the tank body is provided with a filter plate for supporting the filter material layer, and the filter plate is provided with a water collecting and discharging device.
Further, the tank body comprises a cylinder body, an upper end enclosure and a lower end enclosure which are arranged at two ends of the cylinder body, and the filter plate is horizontally arranged at the joint of the lower end enclosure and the cylinder body.
Furthermore, the water outlet is arranged on the lower end enclosure, and the water collecting and discharging device comprises a plurality of water collectors which are uniformly distributed on the filter plate and are used for collecting water passing through the filter material layer into the lower end enclosure and discharging the water through the water outlet.
Furthermore, the backwashing water discharge pipe and the barrel are concentrically arranged, the bottom end of the backwashing water discharge pipe penetrates out of the lower end enclosure, and the backwashing water discharge pipe and the lower end enclosure are isolated from each other.
Furthermore, the solid-liquid separator is in a bell mouth shape and is vertically arranged on the backwashing water discharge pipe, and the top end of the solid-liquid separator is higher than the top end of the filter material layer.
Further, a gap is arranged between the top end of the solid-liquid separator and the top end of the inner side of the upper seal head.
Furthermore, a branch pipe valve for controlling the flow of the water inlet branch pipe is arranged on the water inlet branch pipe.
The adjustable composite dynamic filtering device of the utility model can lead the inlet water to impact the filtering material through the composite filtering material layer formed by the arranged fluidized bed layer and the fixed bed layer, thus leading the top of the filtering material layer to be converted into the fluidized state; the water inlet is arranged in a tangent way with the tank body, so that the inlet water enters along the tangent line of the filter, and the generated centrifugal force throws the pollutants in the inlet water to the periphery of the tank body instead of directly embedding the pollutants into the filter bed, thereby reducing the adhesion and hardening of the pollutants on the filter material; the inlet water is thrown in a tangent mode and overflows from the top of the backwashing water discharge pipe through the inlet branch pipe connected with the backwashing water discharge pipe, so that on one hand, the fluidized filter material is prevented from entering the backwashing water discharge pipe to cause clogging, and on the other hand, the upper part of the filter plays a role in stabilizing the rotational flow state; the height of the water inlet corresponds to the top of the filter material layer, so that the aim of fluidizing part of the filter material on the surface layer is fulfilled, and the back mixing in a large range is prevented; in addition, the thickness and the height of the fluidized bed layer can be adjusted, sewage with different pollutant components and contents can be treated, and the flexibility is improved.
The utility model discloses an among the preferred technical scheme, adopt aluminosilicate active catalyst medium as the filter material, active catalyst medium has that specific surface is big, and charge density is high, and catalytic characteristic is strong, has characteristics such as molecular sieve characteristic concurrently. The fluidized filter material enables the active catalyst media to naturally rub and generate Zeta potential, can adsorb fine particles, gradually condenses and grows, and can effectively adsorb larger-particle pollutants in inlet water into the fluidized bed layer, so that smaller-particle pollutants enter the lower fixed bed layer, and the pollution of the whole filter bed is reduced to the maximum extent; the active catalyst medium filter material with larger specific surface area increases the pollutant carrying capacity of the filter material layer, improves the filtering flow of the filter material layer and simultaneously prolongs the filtering period of the filter.
Drawings
FIG. 1 is a schematic structural view of an adjustable composite dynamic filtering apparatus according to the present invention;
fig. 2 is a schematic top view of the adjustable composite dynamic filtering apparatus of the present invention.
In the figure, 1 tank body, 1a upper end socket, 1b lower end socket, 1c cylinder, 1-1 backwashing drainage pipe, 1-2 solid-liquid separator, 1-3 filter plate, 1-4 water collector,
2 a filter material layer is added on the surface of the filter material layer,
3 water inlet, 3-1 water inlet branch pipe, 3-2 branch pipe valves, 3-3 filtering water inlet valve,
4 water outlet, 4-1 filtering water outlet valve,
5 backwashing water outlet and 5-1 backwashing water discharge valve.
Detailed Description
In the description of the present embodiment, the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as specifically indicating or implying relative importance.
To clearly illustrate the design concept of the present invention, the following description is made with reference to the examples.
The utility model provides an adjustable compound dynamic filtration device, including the jar body, the filter bed layer is filled in the middle part of the jar body, the upper portion of the jar body is provided with the water inlet, and the bottom of the jar body is provided with the delivery port, the filter bed layer includes the fluidized bed layer at top and the fixed bed layer of lower part, the thickness and/or the height of fluidized bed layer are adjustable; a backwashing water discharge pipe is vertically arranged in the tank body, and a solid-liquid separator positioned in the tank body is arranged at the top end of the backwashing water discharge pipe; a water inlet branch pipe is arranged on the water inlet, and the tail end of the water inlet branch pipe is connected with the middle part of the backwashing water discharge pipe; the water inlet corresponds to the fluidized bed layer and is arranged in tangent with the tank body.
The utility model discloses a set up the water inlet mode that the tangent line was thrown into, make the tangent line of coming water rush to the jar wall, reduced the direct embedding of pollutant in the filter material in intaking, through throwing into the centrifugal force that the intaking produced, make partial surface layer filter material produce the fluidization, increased the area of contact of intaking with the filter material, backwash drain pipe and solid-liquid separator that set up inside the filter simultaneously, and overflow partial intaking from the solid-liquid separator top with the branch road form, stabilized the whirl state of intaking, make intaking more three-dimensional even that distributes on filter upper portion; through the filter material layer that the fluidized bed and the fixed bed that set up combined together, adsorb the large granule pollutant at the fluidized bed, reduced the pollution of fixed bed to the at utmost, prevent that the anaerobism corruption from appearing and lead to the filter bed phenomenon of puncturing.
In order to clarify the technical solution of the present invention, the following description is made in the form of specific embodiments.
Examples
Referring to fig. 1-2, the adjustable composite dynamic filtering apparatus in the embodiment includes a tank body 1, wherein a filter material layer 2 is filled in the middle of the tank body 1, and no gap is formed between the filter material layer 2 and the tank wall, so that the entire transverse section of the tank body 1 is filled. The upper part of the tank body 1 is provided with a water inlet 3, and the bottom of the tank body 1 is provided with a water outlet 4; a backwashing water discharge pipe 1-1 is vertically arranged in the tank body 1, and a solid-liquid separator 1-2 positioned in the tank body 1 is arranged at the top end of the backwashing water discharge pipe 1-1; a water inlet branch pipe 3-1 is arranged on the water inlet 3, and the tail end of the water inlet branch pipe 3-1 is connected with the middle part of the backwashing water discharge pipe 1-1; the height of the water inlet 3 is correspondingly arranged at the top of the filter material layer 2, and the water inlet 3 is arranged in a tangent way with the tank body 1.
The filter material layer 2 in this embodiment includes four filter materials distributed up and down, the filter materials are aluminosilicate active catalyst medium filter materials, and the filter material layers 2 of four active catalyst media of different types, i.e., a type and a type, are sequentially arranged from top to bottom. The layer A at the top of the filter material layer 2 is used as a main filter medium layer and is a fluidized bed layer, the granularity of the layer A is smaller than that of filter materials of other models, the specific surface area of the layer A is obviously larger than that of active catalyst media of other models, and the filter precision can reach 0.45 micron. It is specific, the height of water inlet 3 is corresponding with the height of A layer filter material, when intaking and when 1 tangential direction of the jar body enters, drive the surface layer fluidization of A layer filter material, A type active catalyst medium filter material is through the looks mutual friction, produce the Zeta current potential, the filter material of fluidization state has also increased the area of contact between sewage and the filter material simultaneously, pollutant in the sewage on the one hand fully contacts with A layer material, make the pollutant adsorbed on the filter material of fluidization state, on the other hand because the existence of current potential makes the granule that adsorbs on the filter material grow that condenses, the pollution with lower floor's filter material layer falls to minimumly. After the pollutants pass through the A layer filter material, the pollutants with small granularity can permeate into the fixed bed layer formed by the B-D layers, and fine particles of the part are separated out from the lower filter material layer in the backwashing process and are discharged out of the system along with backwashing water. The aluminosilicate active catalyst medium has the characteristic of resisting microorganism propagation, and has the specific gravity of 2.0-2.4 tons/cubic meter, the bulk density of 1.22-1.28 tons/cubic meter and the Mohs hardness of 7.07. The filter material has the characteristics that the filter speed is more than one time higher than that of the traditional quartz sand filter material, and the influence of antimicrobial reproduction on the filter layer can be realized. The thickness and the height of the fluidized bed layer in the utility model can be adjusted, the increase of the thickness can improve the specific surface area of the fluidized filter material, increase the pollutant carrying capacity of the fluidized bed layer filter material and improve the filtering period of the filter; the height adjustment can lead the fluidized bed layer to correspond to the optimal incoming water impact height, and lead the filter material at the top layer to reach the optimal fluidization state.
The bottom of the tank body 1 is provided with a filter plate 1-3 for supporting a filter material layer 2, and a plurality of water collectors 1-4 are uniformly distributed on the filter plate 1-3 to form a water collecting and discharging device of the filter. The tank body 1 comprises a cylinder body 1c, an upper end enclosure 1a and a lower end enclosure 1b which are arranged at two ends of the cylinder body 1c, and filter plates 1-3 are horizontally arranged at the joint of the lower end enclosure 1b and the cylinder body 1c, so that produced water after sewage passes through the filter material layer 2 is collected to the lower end enclosure 1b and then is discharged out of the filter through a water outlet 4 arranged on the lower end enclosure 1 b. The water collecting and discharging device comprises a plurality of water collectors 1-4 which are uniformly distributed, so that produced water is discharged from the filter material layer 2 to the lower end enclosure 1b more smoothly during filtering, and backwash water can be uniformly distributed during backwashing, so that backwash water introduced from the water inlet 3 more uniformly covers a filter material area.
When the filtering device normally operates, the bottom end of the backwashing water discharge pipe 1-1 is closed, water enters the tank body 1 mainly from a water inlet 3 tangent line, the other part of the water enters the backwashing water discharge pipe 1-1 in the tank body 1 through a water inlet branch pipe 3-1 on the water inlet 3, a branch pipe valve 3-2 for controlling the flow of a water inlet branch pipe is arranged on the water inlet branch pipe 3-1, and the main water in a cyclone state is stabilized from the upper part of the filter in a mode of overflowing from a solid-liquid separator 1-2 at the top end of the backwashing water discharge pipe 1-1. The arrangement mode can form a three-dimensional multi-angle water inlet mode, on one hand, the fluidized filter material is prevented from clogging the backwashing drain pipe 1-1, on the other hand, the multi-channel three-dimensional water inlet mode is formed, the filtering flow is improved, and the contact area of sewage and the layer A filter material is larger. The utility model discloses the pollutant of well sewage is mainly with even adsorbed form when filtering, and the large granule is attached to fluidization filter material surface, only has some tiny granule to get into filter material clearance in the fixed bed layer, the maximize reduction the infiltration of pollutant to lower floor filter material layer 2 to the reduction is to the pollution of lower floor's relative static filter material.
The backwashing water discharge pipe 1-1 and the barrel body 1c are arranged concentrically, the bottom end of the backwashing water discharge pipe 1-1 is not communicated with the lower end enclosure 1b, and after penetrating out of the lower end enclosure 1b, the backwashing water discharge port 5 of the filter is formed by horizontally extending. The solid-liquid separator 1-2 is in a bell mouth shape and is vertically arranged at the top end of the backwash water discharge pipe 1-1, backwash water enters from a water inlet 3 at the bottom of a lower end enclosure 1B during backwash, the liquid level rises gradually after water is distributed uniformly through a water collector 1-4, a small amount of pollutants deposited in the B-D filter material layer 2 are flushed from the filter material, when the liquid level reaches the height position of the water inlet 3, the backwash water flushes the layer A filter material, so that the pollutants adsorbed on the layer A filter material are removed from the surface of the filter material, at the moment, the pollutants are in a uniformly mixed suspended state in the backwash water, and when the liquid level finally reaches the top of the solid-liquid separator 1-2, enter the backwash water discharge pipe 1-1 through the bell mouth and are discharged from a backwash water discharge. The solid-liquid separator who sets up with one heart, backwash drain pipe and jar body can make the more smooth and easy discharge from jar internal, prevent that the siltation dead angle from appearing of pollutant. The gap between the top end of the solid-liquid separator 1-2 and the top end of the inner side of the upper seal head 1a can ensure that the backwash water smoothly overflows into the top end of the bell mouth under the action of the upper air, and the uneven pressure distribution of the backwash water in a full-filling state is avoided.
The depth of a filter bed of an existing common sewage high-speed filter is 2.5-2.8 meters, the filtering speed is 15-40 m/h, and the height of the filter is more than 6-7 meters. Physical density of common filter materials such as quartz sand2.5 to 2.7 tons per cubic meter, 1.3 to 1.8 tons per cubic meter of bulk density, 1.4 to 1.6 tons per cubic meter of specific gravity of the anthracite, and 1.1 to 1.2 tons per cubic meter of bulk density. The backwashing strength of the filter material is 40m3/h.m2Strength of backwash gas 15m3/h.m2The expansion rate of the filter material is about 50%, the air-water combined backwashing time is 15-20 minutes, the backwashing water amount accounts for 5-10% of the water yield, and the filtering precision is 10-20 microns.
And the utility model discloses in because the high specific surface area of filter material itself, the filter bed degree of depth is steerable at 1-1.2m, and the total height of four layers of filter material layer 2 in this embodiment is 1m, and the total height of filter is steerable about 2.3 meters, greatly reduced the height of equipment processing cost and filter, practice thrift the occupation of land space. Based on the utility model discloses the same filter area of well active catalyst medium filter material can filter through higher flow, can improve the filtration rate of filter to 30 ~ 70 m/h. At a backwash intensity of 35m3/h.m2Under the condition, the filter material can recover the filtering function after the backwashing time is 3-5 minutes, and the backwashing water amount accounts for 0.5-1.0% of the water yield according to the same filtering period of the traditional filter. Under the condition that the water inlet suspended matter SS is 200mg/L, the water outlet SS can be stabilized below 1mg/L, the optimal water outlet effect is achieved while the water inlet flow of the filter is maximized, in addition, the operation cost is reduced to the minimum, and the requirements of energy conservation and emission reduction are met.
In the embodiment, the water outlet 4 has the function of a backwashing water inlet 3, the water outlet 4 is communicated with a water outlet pipe, a backwashing water inlet pipe can be led out of the water outlet pipe, and a backwashing water inlet valve is installed, so that switching in different processes is realized. This kind of setting mode is that technical personnel in the field can directly derive according to the utility model discloses a design idea, so no longer specifically discuss. The corresponding valves are installed at the positions of the pipe orifices on the filter for flow control, and the operation of the filter device is briefly described as follows:
1) filtration
When the control system is started, a filtering water inlet valve 3-3 at the position of a water inlet 3, a branch valve 3-2 on a water inlet branch pipe 3-1 and a filtering water outlet valve 4-1 at the position of a water outlet 4 are in an open state, a backwashing water inlet valve (not shown) and a backwashing water discharge valve 5-1 at the position of a backwashing water discharge outlet 5 are in a closed state, a filter is in a ready-to-filter state, water to be treated enters the filtering water inlet valve 3-3 through a filter pump, water flow is split at the position, water enters along a tangent line above the surface of filter materials in a tank body 1 to generate a rotational flow, the water inlet branch pipe 3-1 is communicated with the backwashing water discharge pipe 1-1, the water overflows from the upper part of a solid-liquid separator 1-2 to play a role in stabilizing the rotational flow state. The water is filtered by the filter material and then discharged from a filtering water valve 4-1 of the system, and a valve is arranged at the position of a water outlet 4 to control the filtering flow.
2) Backwashing
Filtration continues until the backwash process begins. When backwashing is started, the filtering water inlet valve 3-3, the branch valve 3-2 on the water inlet branch pipe 3-1 and the filtering water outlet valve 4-1 at the water outlet 4 are in a closed state. The bed was at rest for approximately 30 seconds, allowing the media suspended in the upper portion of the bed to settle before backwashing began and the backwashing sequence to begin after all media had settled completely.
After a backwashing water inlet valve (not shown in the figure) is opened, a backwashing water discharge valve 5-1 is opened subsequently, backwashing water enters the filter from the joint of the bottom of the tank body 1, and the water is dispersed to the whole medium bed through the water collectors 1-4 uniformly distributed on the filter plate 1-3 to play a role of a fluidized filter layer. The backwashing water washes the light pollutants away from the filter material layer 2, and the light pollutants are discharged through a backwashing water discharge valve 5-1, and the part of water can be collected for subsequent recovery treatment.
After backwashing is finished, the backwashing water inlet valve and the backwashing water discharge valve 5-1 are closed, after 30 seconds of rest time, the filtering water inlet valve 3-3, the branch pipe valve 3-2 and the filtering water outlet valve 4-1 are opened again, and the filtering system is restarted.
The active filter material is combined with the cyclone water inlet design, so that a better filtering effect can be achieved, the reason that the height of the filter is reduced compared with that of a quartz sand filter is that the active filter material is regenerated only by backwashing with water, and the active filter material can be completely regenerated only by backwashing with the expansion rate of 20% -40% and the backwashing time of not more than 3-5 minutes. And the depth of the filter bed is only 1 meter, the height of the filter bed is 1/2 of a common sand filter, the height of the filter bed is nearly 1/3 of the height of a high-speed filter, and the filtering area of the filtering device for filtering the same water quantity can be reduced to 1/5 of a quartz sand filter or less than 1/2 of the filtering area of the high-speed filter.
The utility model provides an adjustable compound dynamic filtration device mainly used gets rid of aquatic suspended solid, can get rid of the suspended solid more than 0.45 micron, and the clearance reaches about 92%. The filter material with high specific surface area can ensure stable water outlet quality in the whole filtering process, and the phenomenon that the filter bed is adhered, hardened and punctured due to anaerobic reaction generated by microorganism propagation can not be generated. The filter can be applied to water filtration applications needing to remove suspended matters, such as industrial sewage filtration, domestic sewage filtration, water filtration of water works, cooling tower water filtration, river water filtration, oil field wastewater filtration and the like.
Need to explain have, the utility model discloses in adjustable compound dynamic filtration device's the jar body on, still be provided with fill mouthful, sight glass and manhole etc. of loading the filter material, this is also the conventional setting to equipment in the technical field, no longer gives unnecessary details.
Finally, it is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention, and these changes and modifications are to be considered as the protection scope of the invention.
Claims (10)
1. An adjustable composite dynamic filtering device comprises a tank body, wherein a filter material layer is filled in the middle of the tank body, a water inlet is formed in the upper part of the tank body, and a water outlet is formed in the bottom of the tank body; a backwashing water discharge pipe is vertically arranged in the tank body, and a solid-liquid separator positioned in the tank body is arranged at the top end of the backwashing water discharge pipe; a water inlet branch pipe is arranged on the water inlet, and the tail end of the water inlet branch pipe is connected with the middle part of the backwashing water discharge pipe; the water inlet corresponds to the fluidized bed layer and is arranged in tangent with the tank body.
2. The adjustable composite dynamic filter device according to claim 1, wherein the filter material layer comprises a plurality of layers of filter materials distributed vertically, the topmost filter material forms the fluidized bed layer, the filter materials are aluminosilicate active catalyst medium filter materials, and each layer of filter material corresponds to each different model.
3. The adjustable composite dynamic filtration device of claim 2, wherein the total height of the frit layer is 1-1.2 m.
4. The adjustable composite type dynamic filter device according to claim 3, wherein a filter plate for supporting the filter material layer is installed at the bottom of the tank body, and a water collecting and discharging device is arranged on the filter plate.
5. The adjustable composite type dynamic filtering device according to claim 4, wherein the tank body comprises a cylinder body, an upper end enclosure and a lower end enclosure which are arranged at two ends of the cylinder body, and the filter plate is horizontally arranged at the joint of the lower end enclosure and the cylinder body.
6. The adjustable composite type dynamic filtering device according to claim 5, wherein the water outlet is installed on the lower head, and the water collecting and discharging device comprises a plurality of water collectors uniformly distributed on the filter plate, and is used for collecting water passing through the filter material layer into the lower head and discharging the water through the water outlet.
7. The adjustable composite type dynamic filtering device according to claim 5, wherein the backwashing water discharge pipe is concentrically arranged with the barrel, the bottom end of the backwashing water discharge pipe penetrates out of the lower end socket, and the backwashing water discharge pipe is isolated from the lower end socket.
8. The adjustable composite type dynamic filtering device according to any one of claims 1 to 7, wherein the solid-liquid separator is in a bell mouth shape and is vertically arranged on the backwashing water drainage pipe, and the top end of the solid-liquid separator is higher than the top end of the filter material layer.
9. The adjustable composite dynamic filtration unit of claim 8 wherein a gap is provided between the top end of the solid liquid separator and the top wall of the tank interior.
10. The adjustable composite dynamic filter device according to claim 1, wherein a branch valve for controlling the flow of the water inlet branch is provided on the water inlet branch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921695472.8U CN210905117U (en) | 2019-10-10 | 2019-10-10 | Adjustable composite dynamic filtering device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921695472.8U CN210905117U (en) | 2019-10-10 | 2019-10-10 | Adjustable composite dynamic filtering device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559702A (en) * | 2019-10-10 | 2019-12-13 | 北京万诺生态科技有限公司 | Adjustable composite dynamic filtering device |
| CN112939136A (en) * | 2021-02-02 | 2021-06-11 | 中国科学院城市环境研究所 | Fluidization adsorption device and fluidization adsorption method for sewage treatment |
-
2019
- 2019-10-10 CN CN201921695472.8U patent/CN210905117U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559702A (en) * | 2019-10-10 | 2019-12-13 | 北京万诺生态科技有限公司 | Adjustable composite dynamic filtering device |
| CN110559702B (en) * | 2019-10-10 | 2024-06-07 | 北京万诺生态科技有限公司 | Adjustable compound dynamic filtering device |
| CN112939136A (en) * | 2021-02-02 | 2021-06-11 | 中国科学院城市环境研究所 | Fluidization adsorption device and fluidization adsorption method for sewage treatment |
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