CN211752912U - Self-cleaning micro-filtration device and self-cleaning filtration system - Google Patents

Self-cleaning micro-filtration device and self-cleaning filtration system Download PDF

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Publication number
CN211752912U
CN211752912U CN201922069405.1U CN201922069405U CN211752912U CN 211752912 U CN211752912 U CN 211752912U CN 201922069405 U CN201922069405 U CN 201922069405U CN 211752912 U CN211752912 U CN 211752912U
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water
self
backwashing
cleaning
pipe
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CN201922069405.1U
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Chinese (zh)
Inventor
于健
史吉刚
马鑫
张瑞喜
黄勇
涂渲瑶
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Shenzhen Filwater M & E Equipment Co ltd
INSTITUTE OF WATER CONSERVANCY SCIENCE RESEARCH OF INNER MONGOLIA AUTONOMOUS REGION
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Shenzhen Filwater M & E Equipment Co ltd
INSTITUTE OF WATER CONSERVANCY SCIENCE RESEARCH OF INNER MONGOLIA AUTONOMOUS REGION
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Abstract

The utility model discloses a self-cleaning micro-filtration device and self-cleaning micro-filtration system, include: a filter cartridge for filtering water, having a clean water outlet through which the filtered clean water flows; one end of the backwashing shaft tube extends into the filter cylinder and is provided with a water inlet for the inflow of backwashing water; the back washing branch pipes are communicated with the back washing shaft pipe and are symmetrically arranged along the axis of the back washing shaft pipe; a plurality of nozzles are arranged on the pipe section of the back washing branch pipe close to the inner wall of the filter cylinder; and the driving mechanism is connected with the backwashing shaft tube and used for driving the backwashing shaft to rotate around the axis of the backwashing shaft tube so as to drive the backwashing branch tubes to rotate, and further, water in the backwashing shaft tube is sprayed to the inner wall of the filter cylinder through the backwashing branch tubes and the nozzles. The backwash water can be to the rotatory blowout of cartridge filter inner wall through a plurality of nozzles of high-speed rotation, can erode the impurity that blocks up on the cartridge filter effectively through the recoil effect, guarantees the cleaning performance of cartridge filter, has reduced the abluent number of times of cartridge filter, has improved filtration efficiency.

Description

Self-cleaning micro-filtration device and self-cleaning filtration system
Technical Field
The utility model relates to a slight irrigation engineering design technical field, concretely relates to self-cleaning microfiltration device and self-cleaning filtration system.
Background
Water-saving irrigation is realized by pressurizing water by a pipeline to be delivered to the vicinity of the root system of crops, supplying water according to the water requirement of the growth of the crops, only irrigating the crops without irrigating the land and being different from a flood irrigation mode. For the water-saving irrigation technology, as the end appliance for realizing irrigation is a water dropper or a nozzle, and irrigation failure is easily caused by blockage of the specially designed micro flow channel or microporous structure, water for the water-saving irrigation can be used only through proper filtration treatment, and the filtration of the water is an essential core link in the engineering design of the water-saving irrigation.
In the water-saving irrigation engineering, filter equipment's filtration scale is bigger, and filter equipment is after long-term operation, and filterable impurity can be gradual depends on and forms the impurity layer on the filter screen, just so influences subsequent filter effect, and current filter equipment mostly all is through dismantling the after-cleaning with the filter screen, just so makes the cleaning process loaded down with trivial details, influences work efficiency.
Therefore, it is necessary to design a self-cleaning micro-filtration device and a self-cleaning filtration system that have a large filtration scale, do not require replacement of a filter screen, and can realize an automatic cleaning function.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a self-cleaning micro-filtration device and self-cleaning filtration system to there is loaded down with trivial details, the problem that work efficiency is low in the mode of carrying out the washing after solving among the prior art artifical dismantlement filter screen.
In order to solve the technical problem, the technical scheme of the utility model as follows:
a self-cleaning microfiltration device comprising:
a filter cartridge for filtering water, having a clean water outlet through which the filtered clean water flows;
one end of the backwashing shaft tube extends into the filter cylinder and is provided with a water inlet through which backwashing water flows;
the back washing branch pipes are communicated with the back washing shaft pipe and are symmetrically arranged along the axis of the back washing shaft pipe; a plurality of nozzles with opening directions facing the filter cartridge are arranged on the pipe section of the back washing branch pipe close to the inner wall of the filter cartridge;
and the driving mechanism is connected with the backwashing shaft tube and used for driving the backwashing shaft to rotate around the axis of the backwashing shaft tube so as to drive the backwashing branch tubes to rotate.
Further, the backwashing branch pipes are provided with a plurality of groups and are uniformly arranged around the circumferential direction of the backwashing shaft pipe.
Furthermore, the back washing branch pipes comprise two U-shaped branch pipes symmetrically arranged along the axis of the back washing shaft pipe, and openings on two ends of each U-shaped branch pipe are communicated with the back washing shaft pipe.
Furthermore, the U-shaped branch pipe comprises two connecting pipe sections connected with the backwashing shaft pipe at one end and a water outlet pipe section with two ends respectively connected with the other ends of the two connecting pipe sections, and the plurality of nozzles are uniformly arranged on the water outlet pipe section at intervals.
Further, the extending direction of the connecting pipe section is perpendicular to the axial direction of the backwashing shaft pipe.
Furthermore, a plurality of nozzles on the two symmetrically arranged U-shaped branch pipes are arranged in a staggered manner in the axial direction of the backwashing shaft pipe.
Further, the nozzle is a fan nozzle.
Furthermore, the filter cartridge comprises a filter cylinder body, an upper cover plate fixed at the top of the filter cylinder body and a lower bottom plate fixed at the bottom of the filter cylinder body; the clear water outlet is arranged on the lower bottom plate.
Furthermore, the upper cover plate is connected with a mounting bracket, the mounting bracket is connected with a groove body with a transition cavity, a water inlet of the backwashing shaft tube is communicated with the transition cavity, and a backwashing water inlet for backwashing water to enter the transition cavity is formed in the groove body.
On the other hand, the embodiment of the utility model provides a still provide a self-cleaning micro filtration system, include:
a grit chamber for depositing impurities in raw water;
the filtering tank is communicated with the water outlet of the grit chamber;
the water level control valve is arranged on the water outlet of the grit chamber and is used for controlling the water level height of the filter tank;
the fixed self-cleaning micro-filtration device is fixed in the filter tank and used for filtering water;
the clean water tank is communicated with a clean water outlet of the fixed self-cleaning micro-filtration device; and the number of the first and second groups,
and the sewage discharge device is arranged in the filtering tank and used for discharging impurities in the filtering tank outwards.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a self-cleaning micro-filtration device, in the filtering process, the back flush central siphon of actuating mechanism drive and back flush branch pipe are in filtering the internal rotation, the raw water of cartridge filter produces from the rotating current, the raw water is by the outside of cartridge filter to interior filtration, the impurity that contains in the raw water adsorbs on the outer wall of cartridge filter after being intercepted by the cartridge filter, the clear water after the filtration flows out through the clear water export; along with the long-time work of cartridge filter, filterable impurity can be gradual adherence on the filter cartridge outer wall, the filtering quality of cartridge filter descends, begin to hinder the continuation filtration of raw water, external high pressure backwash water introduces in the backwash axis pipe this moment, because backwash branch pipe of high-speed rotation produces outside centrifugal force to backwash water, backwash water can rotate the blowout to the cartridge filter inner wall through a plurality of nozzles, and backwash water is from the inner wall of cartridge filter towards the outer wall of cartridge filter reverse blowout, can wash away the impurity of jam on the cartridge filter effectively through the recoil effect, and the backwash branch pipe of symmetry setting can make impurity more easily drop from the cartridge filter, guarantee the cleaning performance of cartridge filter, reduce the abluent number of times of cartridge filter, can be applicable to large-scale water filtration's application scenario.
2. The utility model provides a self-cleaning micro-filtration device, the mode that a plurality of groups back flush branch pipe evenly arranged around the circumference direction of back flush central siphon can improve the number of times that the cartridge filter was washd in the unit interval, and then improves the back flush effect, shortens consuming time of back flush.
3. The utility model provides a self-cleaning micro-filtration device, the opening on two tip of U type branch pipe all with the communicating structural design of back flush central siphon, can make the water pressure of each nozzle position department more balanced on the play water pipeline section, and then make the washing away power size uniformity of each position department nozzle spun water better, and then can avoid the inconsistent problem of cartridge filter cleaning effect everywhere.
4. The utility model provides a self-cleaning micro-filtration device, the mode of staggered arrangement in the axis direction of back flush central siphon of a plurality of nozzles on two U type branch pipes that the symmetry set up can enlarge the washing away scope of a plurality of nozzles, ensures that cartridge filter each department adnexed impurity can all be effectively washed.
5. The utility model provides a self-cleaning micro-filtration device, because fan nozzle's injection range is wide, backwash water spun angle is many, and adnexed impurity can receive that a plurality of nozzles come from the not equidirectional washing away effort respectively on the cartridge filter, and then improves the cleaning performance.
6. The utility model provides a self-cleaning micro-filtration system, set up the water level control valve on the delivery port between grit chamber and filtering ponds, can control the water level height in the filtering ponds, when adnexed impurity increases on the cartridge filter, when filtering quality descends, external control device control water level control valve closes, the water level in the filtering ponds will descend to the washing water level by the working water level, external high-pressure backwash water of external control device control this moment is introduced into the backwash shaft through the backwash water inlet in, and spout by the nozzle on the backwash branch pipe and carry out the backwash to the cartridge filter, the impurity that intercepts the cartridge filter is washed away and is come off, make the filtering quality of cartridge filter resume, the impurity mixed water that is washed away is discharged the filtering ponds by waste fitting, prepare for next circulation; after the automatic cleaning and sewage discharging operation is completed, the external control device controls the water level control valve to be opened, water to be filtered circularly enters the filtering tank again, and the water is continuously filtered by the self-cleaning micro-filtering device in the filtering tank, so that a complete working process is realized. The self-cleaning micro-filtration system has the advantages of large filtration scale, low energy consumption, good filtration effect in long-time work and capability of realizing automatic control.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a self-cleaning micro-filtration device according to an embodiment of the present invention during filtration;
FIG. 2 is a schematic structural diagram of a self-cleaning micro-filtration device according to an embodiment of the present invention during self-cleaning;
fig. 3 is a schematic diagram of an overall structure of a self-cleaning microfiltration system according to an embodiment of the present invention.
Description of reference numerals: 1. a filter cartridge; 101. a filter cylinder; 102. an upper cover plate; 103. a lower base plate; 104. a clear water outlet; 2. backwashing the shaft tube; 201. a water inlet; 3. back flushing the branch pipe; 31. a U-shaped branch pipe; 311. connecting the pipe sections; 312. a water outlet pipe section; 4. a nozzle; 5. a drive mechanism; 6. mounting a bracket; 7. a trough body; 8. a backwash water inlet; 9. a grit chamber; 10. a filtration tank; 11. a water level control valve; 12. a clean water tank; 13. a sewage draining device; 14. working water level; 15. cleaning the water level; 16. a floating ball water level detection device; 17. a sewage discharge pipe.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A self-cleaning microfiltration apparatus shown in fig. 1 and 2 comprises a filter cartridge 1, a backwash shaft tube 2, backwash branch tubes 3 and a driving mechanism 5. Wherein, cartridge filter 1 is the cylinder, and the raw water is by the inside filtration of cartridge filter 1 outside, and the clear water after the filtration passes through clear water outlet 104 outflow of cartridge filter 1 bottom. One end of the backwashing shaft tube 2 extends into the filter cartridge 1, and the end extending out of the filter cartridge 1 is provided with a water inlet 201 for the inflow of the backwashing water. Two ends of the back washing branch pipe 3 are communicated with the back washing shaft pipe 2 and are symmetrically arranged along the axis of the back washing shaft pipe 2, and a plurality of nozzles 4 with opening directions facing the filter cartridge 1 are arranged on the pipe section of the back washing branch pipe 3 close to the inner wall of the filter cartridge 1. The driving mechanism 5 is connected with one end of the backwashing shaft tube 2 extending out of the filter cartridge 1 and is used for driving the backwashing shaft to rotate around the axis of the backwashing shaft tube so as to drive the backwashing branch tubes 3 to rotate, and further, water in the backwashing shaft tube 2 is sprayed out to the inner wall of the filter cartridge 1 through the backwashing branch tubes 3 and the nozzles 4.
In the filtering process of the self-cleaning micro-filtering device, the driving mechanism 5 drives the back-washing shaft tube 2 and the back-washing branch tube 3 to rotate in the filter cylinder 1, raw water in the filter cylinder 1 generates self-rotating flow, the raw water is filtered inwards from the outside of the filter cylinder 1, impurities contained in the raw water are absorbed on the outer wall of the filter cylinder 1 after being intercepted by the filter cylinder 1, and filtered clean water flows out through the clean water outlet 104; along with the long-time work of the filter cartridge 1, the filtered impurities can be gradually attached to the outer wall of the filter cartridge 1, the filtering performance of the filter cartridge 1 is reduced, the raw water is prevented from being continuously filtered, at the moment, external high-pressure backwashing water is introduced into the backwashing shaft tube 2, because the back washing branch pipe 3 rotating at high speed generates outward centrifugal force to the back washing water, the back washing water can be sprayed out to the inner wall of the filter cylinder 1 through a plurality of nozzles 4 in a rotating way, and the backwashing water is reversely sprayed from the inner wall of the filter cartridge 1 to the outer wall of the filter cartridge 1, and can effectively flush the impurities blocked on the filter cartridge 1 through the backwashing action, and the back flush branch pipes 3 which are symmetrically arranged can enable impurities to fall off from the filter cartridge 1 more easily, thereby ensuring the cleaning effect of the filter cartridge 1, reducing the cleaning times of the filter cartridge 1 and adapting to the requirement of large-scale filtering of water in water-saving irrigation engineering.
In this embodiment, the back flush branch pipes 3 are uniformly arranged with multiple groups around the circumferential direction of the back flush shaft pipe 2, and two ends of the multiple groups of back flush branch pipes 3 are communicated with the back flush shaft pipe 2. The mode that multiunit back flush branch pipe 3 evenly arranges around the circumferencial direction of back flush central siphon 2 can improve the number of times that cartridge filter 1 was washd in unit interval, and then improves the back flush effect to shorten the consuming time of back flush.
In this embodiment, the back washing branch pipe 3 specifically includes two U-shaped branch pipes 31 symmetrically disposed about the axis of the back washing shaft pipe 2. The backwashing branch pipes 3 are formed by the two U-shaped branch pipes 31 which are symmetrically arranged, backwashing water in the backwashing shaft pipe 2 can enter the two U-shaped branch pipes 31 at the same water flow pressure, the same injection pressure of the nozzles 4 on the two U-shaped branch pipes 31 can be ensured, and the consistency of backwashing effects at all positions of the filter cartridge 1 is further ensured.
Specifically, openings at two ends of the U-shaped branch pipe 31 are communicated with the backwash shaft pipe 2, and backwash water in the backwash shaft pipe 2 can enter the U-shaped branch pipe 31 through the two openings respectively. The U-shaped branch pipe 31 includes two connection pipe sections 311 connected to the backwash shaft pipe 2 at one end, and a water outlet pipe section 312 having both ends connected to the other ends of the two connection pipe sections 311, respectively, and a plurality of nozzles 4 are uniformly spaced on the water outlet pipe section 312. The openings on the two ends of the U-shaped branch pipe 31 are both communicated with the backwashing shaft pipe 2, so that the injection pressure at the positions of the nozzles 4 on the water outlet pipe section 312 is more balanced, the consistency of the scouring force of the water sprayed from the nozzles 4 at the positions is better, and the consistency of the backwashing effect at the positions of the filter cartridge 1 is better. Specifically, the extending direction of the connecting pipe section 311 is perpendicular to the axial direction of the backwashing shaft pipe 2; the extension direction of the water outlet pipe section 312 is the same as the axial direction of the backwashing shaft pipe 2. The connection pipe section 311 perpendicular to the backwash shaft pipe 2 has less hindrance to the backwash water therein, and can increase the spray pressure of the backwash water sprayed out through the nozzle 4, thereby increasing the cleaning effect.
In the present embodiment, the plurality of nozzles 4 on the two U-shaped branch pipes 31 symmetrically disposed are staggered in the vertical direction. The staggered arrangement of the plurality of nozzles 4 can enlarge the washing range of the plurality of nozzles 4, thereby ensuring that impurities attached to all parts of the filter cartridge 1 can be effectively washed.
Specifically, the nozzle 4 specifically adopts the fan-shaped nozzle 4, and because the spray range of the fan-shaped nozzle 4 is wide, the angle of the back washing water is large, and the impurities attached to the filter cartridge 1 can be subjected to the scouring action forces of the nozzles 4 from different directions respectively, so that the cleaning effect is improved.
In the present embodiment, the filter cartridge 1 includes a filter cylinder 101, an upper cover plate 102 fixed on the top of the filter cylinder 101, and a lower bottom plate 103 fixed on the bottom of the filter cylinder 101; the clean water outlet 104 is opened at the middle position of the lower bottom plate 103. The upper cover plate 102 is connected with a mounting bracket 6 with a triangular framework, and the top of the mounting bracket 6 is fixed with a groove body 7 with a transition cavity. The driving mechanism 5 is specifically a driving motor installed above the tank body 7, an output shaft of the driving motor extends into the transition cavity to be assembled with the backwashing shaft tube 2, a water inlet 201 of the backwashing shaft tube 2 is communicated with the transition cavity, and a backwashing water inlet 8 for backwashing water to enter the transition cavity is arranged on one side of the tank body 7.
As shown in fig. 3, embodiments of the present invention also provide a self-cleaning microfiltration system, comprising: a grit chamber 9 for depositing impurities in the raw water; a filtering tank 10 communicated with the water outlet of the grit chamber 9; a water level control valve 11 arranged on the water outlet of the grit chamber 9 and used for controlling the water level of the filter tank 10; the fixed self-cleaning micro-filtration device is fixed in the filtration tank 10 and used for filtering water; a clean water reservoir 12 in communication with a clean water outlet 104 of the stationary self-cleaning microfiltration device; and a sewage discharging device 13 disposed in the filtering tank 10 for discharging the impurities in the filtering tank 10 to the outside. Specifically, the sewage draining device 13 is a sewage draining pump arranged at the bottom of the filtering tank 10.
The self-cleaning micro-filtration system is characterized in that a water level control valve 11 is arranged at a water outlet between a grit chamber 9 and a filtration tank 10, the water level control valve 11 can control the height of the water level in the filtration tank 10, when impurities attached to a filter cartridge 1 increase and the filtration performance decreases, an external control device controls the water level control valve 11 to close, the water level in the filtration tank 10 decreases from a working water level 14 to a cleaning water level 15, at the moment, the external control device controls external high-pressure back washing water to be introduced into a back washing shaft tube 2 through a back washing water inlet 8 and to be sprayed out from a nozzle 4 on a back washing branch tube 3 to back wash the filter cartridge 1, the impurities intercepted by the filter cartridge 1 are washed away and fall off, the filtration performance of the filter cartridge 1 is recovered, and the impurity mixed water which is washed away is discharged out of the filtration tank 10 through a pollution discharge device 13 to prepare for the next; after the automatic cleaning and sewage draining operation is completed, the external control device opens the water level control valve 11, so that the water to be filtered circularly enters the filtering tank 10 again, and the water is continuously filtered by the self-cleaning micro-filtering device in the filtering tank 10, so as to complete the working process. The self-cleaning micro-filtration system has the advantages of large filtration scale, low energy consumption, good filtration effect in long-time work and capability of realizing automatic control.
Further, a floating ball water level detection device 16 for detecting the water level in the filtering tank 10 in real time is arranged in the filtering tank 10, and the floating ball water level detection device 16 is electrically connected with an external control device. When the floating ball water level detection device 16 detects that the water level in the filter tank 10 is reduced to the set cleaning water level 15, the floating ball water level detection device 16 sends a control instruction for controlling an external high-pressure backwashing device to inject backwashing water into the backwashing shaft tube 2 to drive the backwashing shaft tube 2 to rotate by a driving motor so as to realize the self-cleaning process of the filter cartridge 1; after the self-cleaning is finished, impurities at the bottom of the filtering tank 10 are discharged outwards through the sewage discharge pipe 17 by the sewage discharge device 13, finally, the external control device sends a control instruction for controlling the opening of the water level control valve 11, water to be filtered circularly enters the filtering tank 10 again, when the liquid level in the filtering tank 10 reaches the working water level, the external control device sends a control instruction for controlling the opening of the driving motor, and the filter cartridge 1 continuously filters raw water in the filtering tank 10, so that a complete working process is realized.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. A self-cleaning microfiltration device comprising:
a filter cartridge (1) for filtering water, having a fresh water outlet (104) through which filtered fresh water flows;
one end of the backwashing shaft tube (2) extends into the filter cylinder (1) and is provided with a water inlet (201) for the inflow of backwashing water;
the back washing branch pipes (3) are communicated with the back washing shaft pipe (2) and are symmetrically arranged along the axis of the back washing shaft pipe (2); a plurality of nozzles (4) with openings facing the filter cartridge (1) are arranged on the pipe section of the back washing branch pipe (3) close to the inner wall of the filter cartridge (1);
and the driving mechanism (5) is connected with the backwashing shaft tube (2) and is used for driving the backwashing shaft to rotate around the axis of the backwashing shaft so as to drive the backwashing branch tubes (3) to rotate.
2. A self-cleaning microfiltration apparatus according to claim 1 wherein the backwash manifold (3) has a plurality of groups and is arranged uniformly around the circumferential direction of the backwash shaft tube (2).
3. The self-cleaning microfiltration device according to claim 2 wherein the backwash branch pipe (3) comprises two U-shaped branch pipes (31) arranged symmetrically about the axis of the backwash shaft pipe (2), the openings at both ends of the U-shaped branch pipes (31) communicating with the backwash shaft pipe (2).
4. The self-cleaning microfiltration device according to claim 3 wherein the U-shaped branch pipe (31) comprises two connecting pipe sections (311) connected to the backwash shaft pipe (2) at one end and a water outlet pipe section (312) connected at both ends to the other ends of the two connecting pipe sections (311), and the plurality of nozzles (4) are arranged on the water outlet pipe section (312) at regular intervals.
5. The self-cleaning microfiltration device according to claim 4 wherein the extension direction of the connecting pipe section (311) is perpendicular to the axial direction of the backwash shaft pipe (2).
6. The self-cleaning microfiltration device according to claim 4 wherein the nozzles (4) of the two symmetrically arranged U-shaped branch pipes (31) are staggered in the axial direction of the backwash shaft pipe (2).
7. The self-cleaning microfiltration device according to claim 6 wherein the nozzles (4) are fan nozzles (4).
8. The self-cleaning microfiltration device according to claim 1 wherein the filter cartridge (1) comprises a filter cylinder (101), an upper cover plate (102) fixed to the top of the filter cylinder (101), and a lower bottom plate (103) fixed to the bottom of the filter cylinder (101); the clear water outlet (104) is arranged on the lower bottom plate (103).
9. The self-cleaning microfiltration device according to claim 8 wherein the upper cover plate (102) is connected with a mounting bracket (6), the mounting bracket (6) is connected with a tank body (7) having a transition cavity, the water inlet (201) of the backwash shaft tube (2) is communicated with the transition cavity, and the tank body (7) is provided with a backwash water inlet (8) for backwash water to enter the transition cavity.
10. A self-cleaning microfiltration system comprising:
a grit chamber (9) for depositing impurities in the raw water;
a filtering tank (10) communicated with the water outlet of the grit chamber (9);
a water level control valve (11) which is arranged on the water outlet of the grit chamber (9) and is used for controlling the water level height of the filter tank (10);
the self-cleaning microfiltration device according to any one of claims 1 to 9 fixed in the filtration tank (10) for filtration treatment of water;
a clean water reservoir (12) in communication with a clean water outlet (104) of the self-cleaning microfiltration device; and the number of the first and second groups,
and the sewage discharge device (13) is arranged in the filtering tank (10) and is used for discharging impurities in the filtering tank (10) outwards.
CN201922069405.1U 2019-11-26 2019-11-26 Self-cleaning micro-filtration device and self-cleaning filtration system Active CN211752912U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922069405.1U CN211752912U (en) 2019-11-26 2019-11-26 Self-cleaning micro-filtration device and self-cleaning filtration system

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Application Number Priority Date Filing Date Title
CN201922069405.1U CN211752912U (en) 2019-11-26 2019-11-26 Self-cleaning micro-filtration device and self-cleaning filtration system

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Publication Number Publication Date
CN211752912U true CN211752912U (en) 2020-10-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111054113A (en) * 2019-11-26 2020-04-24 内蒙古自治区水利科学研究院 Self-cleaning micro-filtration device and self-cleaning filtration system
GB2606348A (en) * 2021-04-30 2022-11-09 Inheriting Earth Ltd A pressure consumption regenerating filter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111054113A (en) * 2019-11-26 2020-04-24 内蒙古自治区水利科学研究院 Self-cleaning micro-filtration device and self-cleaning filtration system
GB2606348A (en) * 2021-04-30 2022-11-09 Inheriting Earth Ltd A pressure consumption regenerating filter
GB2606348B (en) * 2021-04-30 2023-05-10 Inheriting Earth Ltd A pressure consumption regenerating filter

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