CN115770433A

CN115770433A - Novel full-automatic tubular milipore filter preliminary treatment filters device

Info

Publication number: CN115770433A
Application number: CN202211714262.5A
Authority: CN
Inventors: 王汉武; 邢胜利; 王汉庚; 刘超; 王丽
Original assignee: Wuxi Fulis Environmental Protection Equipment Co ltd
Current assignee: Wuxi Fulis Environmental Protection Equipment Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-03-10

Abstract

The invention relates to the technical field of filtering devices, in particular to a novel full-automatic tubular ultrafiltration membrane pretreatment filtering device. The technical scheme comprises the following steps: the self-cleaning filter comprises a self-cleaning filter body, a bypass system and a control system, wherein the bypass system comprises a basket type filter, an inlet pipeline and an outlet pipeline, a water inlet end of the self-cleaning filter body and a water outlet end of the basket type filter body are both fixed and communicated with the inlet pipeline, a water outlet end of the self-cleaning filter body and a water inlet end of the basket type filter body are both fixed and communicated with the outlet pipeline, and the control system comprises a control cabinet and comprises a water inlet pressure transmitter and a water outlet flow meter which are electrically connected with the control cabinet. The invention adopts a combined device which consists of a self-cleaning filter, a bypass system and an instrument control system, the device can automatically operate, the manual disassembly and cleaning of the filter are avoided, and the risk that the ultrafiltration membrane is blocked due to insufficient inflow of a membrane system and increased concentration ratio of the filter in the self-cleaning process is avoided.

Description

Novel full-automatic tubular milipore filter preliminary treatment filters device

Technical Field

The invention relates to the technical field of filtering devices, in particular to a novel full-automatic tubular ultrafiltration membrane pretreatment filtering device.

Background

A common process in the treatment of high-concentration organic wastewater such as landfill leachate at the present stage is an external MBR membrane system, and the pretreatment device of the system is a filter of 800-1000 microns, so that substances such as fibers, hairs and the like can be prevented from entering the interior of the MBR membrane tube and blocking the membrane tube. The commonly used filters in the market are: 1. the basket filter-is composed of a cylinder body and a stainless steel filter screen, the filter screen is perforated, and the filter screen is washed by manually disassembling the filter screen at regular intervals; 2. the bag type filter has large volume, the filter bag is frequently replaced, and the manual disassembly and maintenance environment is extremely poor; 3. the self-cleaning filter comprises a cylinder, a stainless steel filter screen and an automatic rotating brush, wherein the filter screen is punched, a large amount of water flows out of a sewage discharge port in the automatic cleaning and sewage discharge process of the filter, so that insufficient water is supplied to an MBR membrane system, a follow-up system continuously operates, the concentration ratio is greatly increased, and an ultrafiltration membrane is blocked.

Disclosure of Invention

The invention aims to provide a novel full-automatic tubular ultrafiltration membrane pretreatment filtering device aiming at the problems in the background technology.

The technical scheme of the invention is as follows: the utility model provides a novel full-automatic tubular milipore filter preliminary treatment filter device, includes self-cleaning filter, bypass system and control system, and bypass system includes basket filter, inlet pipe and outlet pipe way, the end of intaking of self-cleaning filter with the play water end of basket filter all with the inlet pipe is fixed and the intercommunication, the play water end of self-cleaning filter with the end of intaking of basket filter all with the outlet pipe is fixed and the intercommunication, and control system includes the switch board, still include with switch board electric connection's pressure transmitter of intaking and play water flowmeter, the pressure transmitter of intaking sets up on the inlet pipe way, it is in to go out the water flowmeter setting on the outlet pipe way.

Preferably, the self-cleaning filter, the basket filter and the control cabinet are all arranged on a filtering skid-mounted base.

Preferably, the inlet pipeline is provided with a filtering skid-mounted main inlet, and the outlet pipeline is provided with a filtering skid-mounted main outlet.

Preferably, the self cleaning filter and the basket filter each comprise a water valve.

Preferably, the self-cleaning filter also comprises a self-cleaning sewage draining outlet and a self-cleaning backwashing water inlet, and the self-cleaning filter is also provided with an electric rotating brush rack assembly.

Preferably, the electric rotating brush frame assembly comprises a driving motor, the output end of the driving motor is provided with a brush frame positioned in the self-cleaning filter, and the brush frame is provided with a silica gel scraper and a filter screen.

Compared with the prior art, the invention has the beneficial effects that: the invention adopts a combined device which comprises a self-cleaning filter, a bypass system and an instrument control system, wherein the self-cleaning filter plays a role during normal operation of the system, when the control system detects that the self-cleaning filter is blocked, the system can be switched to the bypass system through a valve to operate, the device can automatically operate, the situation that the cleaning filter is manually disassembled, sewage directly enters a water outlet and does not leak sewage is avoided, the risk of blocking an ultrafiltration membrane due to increase of concentration ratio due to insufficient water inflow of a membrane system during self-cleaning of the filter is avoided, and manual maintenance and inspection are not needed.

Drawings

FIG. 1 is a schematic structural diagram of a novel full-automatic tubular ultrafiltration membrane pretreatment filtering device provided by the invention;

FIG. 2 is a schematic side view of a novel full-automatic tubular ultrafiltration membrane pretreatment filtering device provided by the invention;

fig. 3 is a schematic structural diagram of an electric brush carrier assembly of a novel full-automatic tubular ultrafiltration membrane pretreatment filtering device provided by the invention.

Reference numerals are as follows: 1. a self-cleaning filter; 2. a basket filter; 3. a control cabinet; 4. a filter skid-mounted main inlet; 5. a filtering skid-mounted main outlet; 6. a water inlet pressure transmitter; 7. a water outlet flow meter; 8. a filtering skid-mounted base; 9. self-cleaning sewage draining exit; 10. self-cleaning and backwashing the water inlet; 11. a water valve; 12. an inlet duct; 13. an outlet conduit; 14. an electric rotatable brush carrier assembly; 15. a brush holder; 16. a silica gel scraper plate; 17. a filter screen; 18. the motor is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to the attached drawings 1-2, a novel full-automatic tubular ultrafiltration membrane pretreatment filtering device comprises a self-cleaning filter 1, a bypass system and a control system, wherein the bypass system comprises a basket filter 2, an inlet pipeline 12 and an outlet pipeline 13, the water inlet end of the self-cleaning filter 1 and the water outlet end of the basket filter 2 are both fixed and communicated with the inlet pipeline 12, the water outlet end of the self-cleaning filter 1 and the water inlet end of the basket filter 2 are both fixed and communicated with the outlet pipeline 13, a circulating water path is formed accordingly, the control system comprises a control cabinet 3, a water inlet pressure transmitter 6 and a water outlet flow meter 7 which are electrically connected with the control cabinet 3 are further included, the water inlet pressure transmitter 6 is arranged on the inlet pipeline 12, the water outlet flow meter 7 is arranged on the outlet pipeline 13, the self-cleaning filter 1, the basket filter 2 and the control cabinet 3 are both arranged on a filtering skid-mounted base 8, a filtering skid-mounted general inlet 4 is arranged on the inlet pipeline 12, a filtering skid-mounted general outlet 5 is arranged on the outlet pipeline 13, the self-cleaning filter 1 and the basket filter 2 comprise a water inlet 11, and a backwashing drain outlet 10.

A novel full-automatic tubular ultrafiltration membrane pretreatment filter device based on the first embodiment has the working principle that: when the device normally operates, firstly, the self-cleaning filter plays a role, the self-cleaning filter can filter the entering liquid, in the whole filtering process, when a control system detects that the flow of the rear end of the self-cleaning filter is reduced or the pressure of the front end of the self-cleaning filter is increased through a water inlet pressure transmitter 6 or a water outlet flow meter 7, after 5 seconds of delay, a water inlet valve of a basket filter 2 in a bypass system is started, after the water inlet valve of the basket filter 2 is opened, the water inlet valve of the self-cleaning filter is closed for 20 seconds, a backflushing self-cleaning discharging mode is started, the self-cleaning filter starts, water is fed through a self-cleaning backflushing water inlet 10, after the cleaning is finished, the water is discharged through a self-cleaning sewage discharge outlet 9, after the self-cleaning time is up, the self-cleaning discharging mode is stopped, the self-cleaning filter is started, after the water inlet valve of the basket filter is opened for 20 seconds, the water inlet valve of the self-cleaning filter 2 is closed, the filtering process is carried out again, so that the high-efficiency filtering of nitrifying liquid in an aeration tank is realized, mechanical impurities in mixed sludge are discharged through a discharging system, the MBR is protected from being worn and the external backflushing process is protected, and the safe production process is ensured.

Example two

Referring to FIG. 3, based on the first embodiment, the self-cleaning filter 1 is further provided with an electric brush holder assembly 14, the electric brush holder assembly 14 comprises a driving motor 18, the output end of the driving motor 18 is provided with a brush holder 15 positioned in the self-cleaning filter 1, the brush holder 15 is provided with a silica gel scraper 16 and a filter screen 17, and the filter screen 17 is made of 316L stainless steel plate.

In this embodiment, when the self-cleaning filter is functional, the self-cleaning filter can filter the liquid that gets into, in whole filtering process, electronic brush yoke subassembly 14 can be worked, start driving motor 18 drive brush yoke 15 and rotate, silica gel scraper 16 can strike off the impurity of self-cleaning filter 1 inner wall, filter screen 17 can filter liquid, filter screen 17 space is even, the intensity is reliable, it is efficient to hold back, can tolerate high concentration salt solution and corrode, in this embodiment, it can be that the filter fineness is 800um, the filtration cleaning performance is superior to traditional filter screen, bypass system adopts reliable and stable basket filter mechanical strength height, difficult damage. Meanwhile, the system is provided with a pressure transmitter, an automatic valve and a control box, so that unattended full-automatic operation of the system is realized.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a novel full-automatic tubular milipore filter preliminary treatment filter device, its characterized in that, includes self-cleaning filter (1), bypass system and control system, bypass system includes basket filter (2), inlet pipe way (12) and export pipeline (13), the inlet end of self-cleaning filter (1) with the outlet end of basket filter (2) all with inlet pipe way (12) are fixed and the intercommunication, the outlet end of self-cleaning filter (1) with the inlet end of basket filter (2) all with export pipeline (13) are fixed and the intercommunication, and control system includes switch board (3), still include with switch board (3) electric connection's intake pressure transmitter (6) and play water flowmeter (7), intake pressure transmitter (6) set up on inlet pipe way (12), play water flowmeter (7) set up on export pipeline (13).

2. The novel full-automatic tubular ultrafiltration membrane pretreatment filtering device according to claim 1, wherein the self-cleaning filter (1), the basket filter (2) and the control cabinet (3) are all mounted on a filtering skid-mounted base (8).

3. The novel full-automatic tubular ultrafiltration membrane pretreatment and filtration device according to claim 1, wherein a filtration skid-mounted main inlet (4) is arranged on the inlet pipeline (12), and a filtration skid-mounted main outlet (5) is arranged on the outlet pipeline (13).

4. The novel full-automatic tubular ultrafiltration membrane pretreatment filtering device according to claim 1, wherein the self-cleaning filter (1) and the basket filter (2) comprise a water valve (11).

5. The novel full-automatic tubular ultrafiltration membrane pretreatment filtering device according to claim 1, characterized in that the self-cleaning filter (1) further comprises a self-cleaning sewage draining outlet (9) and a self-cleaning backwashing water inlet (10), and the self-cleaning filter (1) is further provided with an electric rotating brush rack assembly (14).

6. The novel full-automatic tubular ultrafiltration membrane pretreatment filtering device according to claim 5, characterized in that the electric rotating brush frame assembly (14) comprises a driving motor (18), a brush frame (15) positioned in the self-cleaning filter (1) is installed at the output end of the driving motor (18), and a silica gel scraper (16) and a filter screen (17) are installed on the brush frame (15).