CN114073870A - A backwashable filter - Google Patents

A backwashable filter Download PDF

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Publication number
CN114073870A
CN114073870A CN202111501907.2A CN202111501907A CN114073870A CN 114073870 A CN114073870 A CN 114073870A CN 202111501907 A CN202111501907 A CN 202111501907A CN 114073870 A CN114073870 A CN 114073870A
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CN
China
Prior art keywords
valve
barrel
pipe
filter
cleaning
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CN202111501907.2A
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Chinese (zh)
Inventor
郑田青
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Jiashan Chuantian Environmental Technology Co ltd
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Jiashan Chuantian Environmental Technology Co ltd
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Priority to CN202111501907.2A priority Critical patent/CN114073870A/en
Publication of CN114073870A publication Critical patent/CN114073870A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
    • B01D29/6415—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention discloses a filter capable of being reversely cleaned, which comprises a barrel body, and a filtering assembly and a cleaning assembly which are arranged in the barrel body, wherein a rotating motor is arranged at the bottom of the barrel body, a transmission shaft is arranged at the output end of the rotating motor and is connected with the bottom of a cleaning framework through the transmission shaft, and the cleaning framework and a brush can be driven by the rotating motor and the transmission shaft to rotate and clean a filtering medium; the water inlet pipeline and the water outlet pipeline are arranged on one side of the barrel body, the sewage discharge pipeline is arranged at the bottom of the barrel body, the vent pipeline is arranged at the top of the barrel body, and the exhaust pipeline is arranged on the other side of the barrel body. This application accomplishes medial surface and the inside washing to filter media through adopting the vent line who is used for leading-in high-pressure gas, and the cooperation is used for the abluent brush of lateral surface to filter media, realizes under the prerequisite of not dismantling the filter, accomplishes the washing to filter media inside the filter.

Description

Filter capable of being cleaned reversely
Technical Field
The invention relates to the field of filters, in particular to a filter capable of being cleaned reversely.
Background
The filter is an indispensable device on a medium conveying pipeline and is usually arranged at the inlet end of a pressure reducing valve, a pressure relief valve, a constant water level valve or other equipment. The filter consists of a cylinder body, a stainless steel filter screen, a pollution discharge part, a transmission device and an electric control part. After water to be treated passes through the filter cartridge of the filter screen, impurities are blocked, when the water needs to be cleaned, the detachable filter cartridge needs to be taken out, and the water is reloaded after treatment, so that the water is inconvenient to maintain.
Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.
Disclosure of Invention
The invention aims to provide a filter capable of being cleaned reversely, which is characterized in that the inner side surface and the interior of a filter medium are cleaned by adopting a vent pipeline for introducing high-pressure gas, and the cleaning of the filter medium in the filter is completed on the premise of not disassembling the filter by matching with a brush for cleaning the outer side surface of the filter medium, so that the problems in the prior art are solved.
The technical purpose of the invention is realized by the following technical scheme:
a filter capable of being cleaned reversely comprises a barrel body 1, wherein an upper cover 2 is arranged at the top of the barrel body 1, and a lower cover 3 is arranged at the bottom of the barrel body 1;
the inner side wall of the barrel body 1 is provided with a partition plate 4, a limiting structure is arranged at the inner edge of the partition plate 4, a filtering assembly is arranged at the limiting structure and comprises a filtering framework 5 and a filtering medium 6, the filtering framework 5 is arranged at the limiting structure of the partition plate 4 and is fixed through a pressing plate 18 above the filtering framework, and the filtering medium 6 is arranged on the filtering framework 5 and is used for filtering raw water;
the cleaning assembly is arranged on the outer side of the filtering assembly and comprises a cleaning framework 7, the cleaning framework 7 is provided with an open cavity structure, the filtering framework 5 and the filtering medium 6 are coated in the open cavity structure, a plurality of hairbrushes 8 are arranged on the inner side wall of the cleaning framework 7, a rotating motor 9 is arranged at the bottom of the barrel body 1, a transmission shaft is arranged at the output end of the rotating motor 9 and is connected with the bottom of the cleaning framework 7 through the transmission shaft, and the cleaning framework 7 and the hairbrushes 8 can be driven by the rotating motor 9 and the transmission shaft to rotate and complete cleaning of the filtering medium 6;
a water inlet pipeline and a water outlet pipeline are arranged on one side of the barrel body 1, the water inlet pipeline comprises a water inlet pipe arranged on the barrel body 1, an inlet valve 10 is arranged on the water inlet pipe, one end of the water inlet pipe is an inlet, the other end of the water inlet pipe is communicated with the interior of the barrel body 1, a flow channel is arranged in the barrel body 1, and the introduced raw water flows through a filter medium 6 through the flow channel and flows out through the water outlet pipeline; the water outlet pipeline comprises a water outlet pipe arranged on the barrel body 1, an outlet valve 11 is arranged on the water outlet pipe, one end of the water outlet pipe is an inlet, and the other end of the water outlet pipe is communicated with the interior of the barrel body 1;
a sewage discharge pipeline is arranged at the bottom of the barrel body 1, a ventilation pipeline is arranged at the top of the barrel body 1, and an exhaust pipeline is arranged at the other side of the barrel body 1; the sewage discharge pipeline comprises a sewage discharge valve 19 communicated with the bottom of the barrel body 1 and a sewage discharge valve 19 arranged on the sewage discharge pipe; the ventilation pipeline comprises a ventilation pipe 12 arranged on the upper cover 2 of the barrel body 1, one end of the ventilation pipe 12 is an air inlet, a ventilation valve 13 is arranged at the air inlet, the main body of the ventilation pipe 12 extends into the filtering framework 5, and a gas flow channel is arranged inside the ventilation pipe 12; the exhaust pipeline comprises an exhaust pipe 14, one end of the exhaust pipe 14 is communicated with the inside of the barrel body 1, the other end of the exhaust pipe 14 is communicated with a sewage discharge pipe, and an exhaust valve 15 is arranged on the exhaust pipe 13.
Furthermore, a bearing hole is formed in the lower cover 3, a bearing 16 is arranged at one end in the bearing hole, a mechanical shaft seal 17 is arranged at the other end in the bearing hole, and the output end of the rotating motor 9 sequentially penetrates through the bearing 16 and the mechanical shaft seal 17 and then is connected with the bottom of the cleaning framework 7.
Further, the operation of the filter capable of being cleaned reversely is as follows:
firstly, opening the inlet valve 10 and the exhaust valve 15, and closing the outlet valve 11, the vent valve 13 and the drain valve 19; raw water to be filtered is injected into the barrel body 1 through the water inlet pipeline, air in the barrel body 1 is gradually discharged through the exhaust valve 15, the raw water in the barrel body 1 can flow through the flow channel arranged in the barrel body 1 and filter impurities contained in the raw water through the filter medium 6, then the outlet valve 11 is opened, and the filtered purified water flows out through the water outlet pipeline;
after the filtering process is finished, entering a cleaning process, wherein in the cleaning process, firstly closing the inlet valve 10, the outlet valve 11 and the blowdown valve 19, and opening the vent valve 13 and the exhaust valve 15; a high-pressure gas source is connected to an air inlet of the vent pipe 12, then the rotating motor 9 is started, the rotating motor 9 drives the cleaning framework 7 and the brush 8 to rotate, the high-pressure gas introduced by the high-pressure gas source is used for cleaning the inner side surface of the filter medium 6, and the brush 8 is used for cleaning the outer side surface of the filter medium 6;
after the cleaning process is finished, entering a sewage disposal flow, and in the sewage disposal flow, firstly opening the vent valve 13, and closing the inlet valve 10, the outlet valve 11, the exhaust valve 15 and the sewage disposal valve 19; high-pressure gas is introduced through an external high-pressure gas source, after the pressure in the barrel 1 reaches a specified value, the blow-down valve 19 is opened, high-pressure airflow generated by the high-pressure gas passes through the filter medium 6, impurities in the filter medium 6 are flushed out, and the impurities are discharged through the blow-down valve 19.
In conclusion, the invention has the following beneficial effects:
the inner side face and the interior of the filter medium are cleaned by adopting the vent pipeline for leading high-pressure gas, and the cleaning of the filter medium in the filter is completed on the premise of not disassembling the filter by matching with the hairbrush for cleaning the outer side face of the filter medium.
Drawings
FIG. 1 is a schematic view of a back-cleanable filter according to the present invention.
Figure 2 is a schematic diagram of the filtration stage of the present invention.
Figure 3 is a schematic illustration of the cleaning stage according to the invention.
Fig. 4 is a schematic illustration of the blowdown phase of the present invention.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further described with reference to the figures and the specific embodiments.
As shown in fig. 1, the filter capable of being reversely cleaned according to the present invention includes a barrel 1, an upper cover 2 is disposed on the top of the barrel 1, and a lower cover 3 is disposed on the bottom of the barrel 1;
the inner side wall of the barrel body 1 is provided with a partition plate 4, a limiting structure is arranged at the inner edge of the partition plate 4, a filtering assembly is arranged at the limiting structure and comprises a filtering framework 5 and a filtering medium 6, the filtering framework 5 is arranged at the limiting structure of the partition plate 4 and is fixed through a pressing plate 18 above the filtering framework, and the filtering medium 6 is arranged on the filtering framework 5 and is used for filtering raw water;
the cleaning assembly is arranged on the outer side of the filtering assembly and comprises a cleaning framework 7, the cleaning framework 7 is provided with an open cavity structure, the filtering framework 5 and the filtering medium 6 are coated in the open cavity structure, a plurality of hairbrushes 8 are arranged on the inner side wall of the cleaning framework 7, a rotating motor 9 is arranged at the bottom of the barrel body 1, a transmission shaft is arranged at the output end of the rotating motor 9 and is connected with the bottom of the cleaning framework 7 through the transmission shaft, and the cleaning framework 7 and the hairbrushes 8 can be driven by the rotating motor 9 and the transmission shaft to rotate and complete cleaning of the filtering medium 6;
a water inlet pipeline and a water outlet pipeline are arranged on one side of the barrel body 1, the water inlet pipeline comprises a water inlet pipe arranged on the barrel body 1, an inlet valve 10 is arranged on the water inlet pipe, one end of the water inlet pipe is an inlet, the other end of the water inlet pipe is communicated with the interior of the barrel body 1, a flow channel is arranged in the barrel body 1, and the introduced raw water flows through a filter medium 6 through the flow channel and flows out through the water outlet pipeline; the water outlet pipeline comprises a water outlet pipe arranged on the barrel body 1, an outlet valve 11 is arranged on the water outlet pipe, one end of the water outlet pipe is an inlet, and the other end of the water outlet pipe is communicated with the interior of the barrel body 1;
a sewage discharge pipeline is arranged at the bottom of the barrel body 1, a ventilation pipeline is arranged at the top of the barrel body 1, and an exhaust pipeline is arranged at the other side of the barrel body 1; the sewage discharge pipeline comprises a sewage discharge valve 19 communicated with the bottom of the barrel body 1 and a sewage discharge valve 19 arranged on the sewage discharge pipe; the ventilation pipeline comprises a ventilation pipe 12 arranged on the upper cover 2 of the barrel body 1, one end of the ventilation pipe 12 is an air inlet, a ventilation valve 13 is arranged at the air inlet, the main body of the ventilation pipe 12 extends into the filtering framework 5, and a gas flow channel is arranged inside the ventilation pipe 12; the exhaust pipeline comprises an exhaust pipe 14, one end of the exhaust pipe 14 is communicated with the inside of the barrel body 1, the other end of the exhaust pipe 14 is communicated with a sewage discharge pipe, and an exhaust valve 15 is arranged on the exhaust pipe 13.
The lower cover 3 is provided with a bearing hole, one end in the bearing hole is provided with a bearing 16, the other end in the bearing hole is provided with a mechanical shaft seal 17, and the output end of the rotating motor 9 sequentially penetrates through the bearing 16 and the mechanical shaft seal 17 and then is connected with the bottom of the cleaning framework 7.
The operation of the reverse cleanable filter is as follows:
referring to fig. 2, the inlet valve 10 and the exhaust valve 15 are first opened, and the outlet valve 11, the vent valve 13 and the blow-down valve 19 are closed; raw water to be filtered is injected into the barrel body 1 through the water inlet pipeline, air in the barrel body 1 is gradually discharged through the exhaust valve 15, the raw water in the barrel body 1 can flow through the flow channel arranged in the barrel body 1 and filter impurities contained in the raw water through the filter medium 6, then the outlet valve 11 is opened, and the filtered purified water flows out through the water outlet pipeline;
referring to fig. 3, after the filtering process is finished, a cleaning process is performed, in which the inlet valve 10, the outlet valve 11 and the blowdown valve 19 are closed, and the vent valve 13 and the vent valve 15 are opened; a high-pressure gas source is connected to an air inlet of the vent pipe 12, then the rotating motor 9 is started, the rotating motor 9 drives the cleaning framework 7 and the brush 8 to rotate, the high-pressure gas introduced by the high-pressure gas source is used for cleaning the inner side surface of the filter medium 6, and the brush 8 is used for cleaning the outer side surface of the filter medium 6;
referring to fig. 4, after the cleaning process is finished, a blowdown flow is started, in the blowdown flow, the vent valve 13 is opened, and the inlet valve 10, the outlet valve 11, the exhaust valve 15 and the blowdown valve 19 are closed; high-pressure gas is introduced through an external high-pressure gas source, after the pressure in the barrel 1 reaches a specified value, the blow-down valve 19 is opened, high-pressure airflow generated by the high-pressure gas passes through the filter medium 6, impurities in the filter medium 6 are flushed out, and the impurities are discharged through the blow-down valve 19.
This application accomplishes medial surface and the inside washing to filter media 6 through adopting the vent line who is used for leading-in high-pressure gas, and the cooperation is used for the abluent brush 8 of lateral surface to filter media 6, realizes under the prerequisite of not dismantling the filter, accomplishes the washing to filter media 6 inside the filter.
In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the purpose of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1.一种可反向清洗的过滤器，其特征在于，包括桶体(1)，在桶体(1)的顶部设有上盖(2)，在桶体(1)的底部设有下盖(3)；1. A filter that can be cleaned in reverse is characterized in that, comprises a barrel (1), is provided with an upper cover (2) at the top of the barrel (1), and is provided with a lower cover (2) at the bottom of the barrel (1). cover (3); 所述桶体(1)的内侧壁上设有隔板(4)，在隔板(4)的内边缘处设有限位结构，且在限位结构处安装有过滤组件，所述过滤组件包括过滤骨架(5)和过滤介质(6)，过滤骨架(5)设置在隔板(4)的限位结构处，且通过上方的压板(18)固定，过滤介质(6)设置在包覆于过滤骨架(5)上，其用于过滤原水；A partition plate (4) is provided on the inner side wall of the barrel body (1), a limiting structure is arranged at the inner edge of the partition plate (4), and a filter assembly is installed at the limiting structure, and the filter assembly includes The filter skeleton (5) and the filter medium (6), the filter skeleton (5) is arranged at the limit structure of the partition plate (4), and is fixed by the upper pressing plate (18), and the filter medium (6) is arranged on the covering On the filter skeleton (5), it is used for filtering raw water; 在所述过滤组件的外侧设有清洗组件，所述清洗组件包括清洗骨架(7)，清洗骨架(7)具有开口腔结构，且通过所述开口腔结构将过滤骨架(5)和过滤介质(6)包覆在内，在清洗骨架(7)的内侧壁上设有若干毛刷(8)，在所述桶体(1)的底部设有旋转电机(9)，旋转电机(9)的输出端设有传动轴，且通过传动轴与清洗骨架(7)的底部连接，所述清洗骨架(7)和毛刷(8)可在旋转电机(9)和传动轴的带动下转动，并完成对过滤介质(6)的清洗；A cleaning assembly is provided on the outside of the filter assembly, and the cleaning assembly includes a cleaning frame (7), the cleaning frame (7) has an open mouth structure, and the filter frame (5) and the filter medium ( 6) Covered inside, a number of brushes (8) are arranged on the inner side wall of the cleaning frame (7), and a rotating motor (9) is arranged at the bottom of the barrel (1). The output end is provided with a transmission shaft, and is connected with the bottom of the cleaning frame (7) through the transmission shaft. The cleaning frame (7) and the brush (8) can be driven by the rotating motor (9) and the transmission shaft to rotate, and Complete the cleaning of the filter medium (6); 在所述桶体(1)的一侧设有入水管路和出水管路，入水管路包括设置在桶体(1)上的入水管，在入水管上设有入口阀(10)，入水管的一端为入口，入水管的另一端与桶体(1)的内部连通，在桶体(1)的内部设有流道，导入的原水通过流道流经过滤介质(6)，并通过出水管路流出；出水管路包括设置在桶体(1)上的出水管，在出水管上设有出口阀(11)，出水管的一端为入口，出水管的另一端与桶体(1)的内部连通；A water inlet pipeline and a water outlet pipeline are arranged on one side of the barrel body (1), the water inlet pipeline includes a water inlet pipe arranged on the barrel body (1), and an inlet valve (10) is arranged on the water inlet pipe, and the water inlet pipe is provided with an inlet valve (10). One end of the water pipe is the inlet, and the other end of the water inlet pipe is communicated with the inside of the barrel (1), and a flow channel is arranged inside the barrel (1), and the introduced raw water flows through the filter medium (6) through the flow channel, and passes through the The water outlet pipeline flows out; the water outlet pipeline includes a water outlet pipe arranged on the barrel body (1), an outlet valve (11) is arranged on the water outlet pipe, one end of the water outlet pipe is the inlet, and the other end of the water outlet pipe is connected to the barrel body (1). ) is internally connected; 在所述桶体(1)的底部设有排污管路，在所述桶体(1)的顶部设有通气管路，在所述桶体(1)的另一侧设有排气管路；排污管路包括与桶体(1)底部连通的排污阀(19)、以及设置在排污管上的排污阀(19)；通气管路包括设置在桶体(1)的上盖(2)上的通气管(12)，通气管(12)的一端为进气口，且在进气口处设有通气阀(13)，通气管(12)的主体延伸至过滤骨架(5)内，在通气管(12)的内部设有气体流道；所述排气管路包括排气管(14)，排气管(14)的一端与桶体(1)的内部连通，排气管(14)的另一端与排污管连通，在所述排气管(13)上设有排气阀(15)。The bottom of the barrel (1) is provided with a sewage pipe, the top of the barrel (1) is provided with a ventilation pipe, and the other side of the barrel (1) is provided with an exhaust pipe The sewage pipeline includes a sewage valve (19) communicated with the bottom of the barrel (1) and a sewage valve (19) arranged on the sewage pipe; the ventilation pipeline includes an upper cover (2) arranged on the barrel (1) One end of the ventilation pipe (12) is an air inlet, and a ventilation valve (13) is arranged at the air inlet, and the main body of the ventilation pipe (12) extends into the filter frame (5), A gas flow channel is provided inside the ventilation pipe (12); the exhaust pipe includes an exhaust pipe (14), one end of the exhaust pipe (14) is communicated with the interior of the barrel (1), and the exhaust pipe ( The other end of 14) is communicated with the sewage pipe, and an exhaust valve (15) is arranged on the exhaust pipe (13). 2.根据权利要求1所述的可反向清洗的过滤器，其特征在于，所述下盖(3)上开设有轴承孔，在轴承孔内的一端设有轴承(16)，在轴承孔内的另一端设有机械轴封(17)，旋转电机(9)的输出端依次穿过轴承(16)和机械轴封(17)后与清洗骨架(7)的底部连接。2. The filter according to claim 1, wherein the lower cover (3) is provided with a bearing hole, one end of the bearing hole is provided with a bearing (16), and the bearing hole is provided with a bearing (16). The other end inside is provided with a mechanical shaft seal (17), and the output end of the rotary motor (9) passes through the bearing (16) and the mechanical shaft seal (17) in sequence and is connected to the bottom of the cleaning frame (7). 3.根据权利要求1所述的可反向清洗的过滤器，其特征在于，所述可反向清洗的过滤器的工作过程如下：3. The filter that can be reverse cleaned according to claim 1 is characterized in that, the working process of the filter that can be reverse cleaned is as follows: 首先打开入口阀(10)和排气阀(15)，关闭出口阀(11)、通气阀(13)和排污阀(19)；通过入水管路向桶体(1)内部注入待过滤的原水，逐渐将桶体(1)内的空气通过排气阀(15)排出，桶体(1)内的原水会通过桶体(1)内设置的流道流经过滤介质(6)过滤掉包含的杂质，随后打开出口阀(11)，过滤后的净水通过出水管路流出；First open the inlet valve (10) and the exhaust valve (15), close the outlet valve (11), the ventilation valve (13) and the drain valve (19); inject the raw water to be filtered into the barrel (1) through the water inlet pipe, The air in the barrel (1) is gradually discharged through the exhaust valve (15), and the raw water in the barrel (1) will flow through the filter medium (6) through the flow channel set in the barrel (1) to filter out the contained water. impurities, then open the outlet valve (11), and the filtered clean water flows out through the water outlet pipeline; 过滤流程结束后，进入清洗流程，在清洗流程中，首先关闭入口阀(10)、出口阀(11)和排污阀(19)，打开通气阀(13)和排气阀(15)；在通气管(12)的进气口处接入高压气源，然后启动旋转电机(9)，旋转电机(9)带动清洗骨架(7)和毛刷(8)转动，高压气源导入的高压气体用于对过滤介质(6)的内侧面的清洗，毛刷(8)用于对过滤介质(6)的外侧面的清洗；After the filtering process is over, enter the cleaning process. In the cleaning process, first close the inlet valve (10), the outlet valve (11) and the drain valve (19), and open the ventilation valve (13) and the exhaust valve (15); The high-pressure air source is connected to the air inlet of the air pipe (12), and then the rotating motor (9) is started, and the rotating motor (9) drives the cleaning frame (7) and the brush (8) to rotate, and the high-pressure air introduced by the high-pressure air source is used for For cleaning the inner side of the filter medium (6), the brush (8) is used for cleaning the outer side of the filter medium (6); 清洗过程结束后，进入排污流程，在排污流程中，首先打开通气阀(13)，关闭入口阀(10)、出口阀(11)、排气阀(15)和排污阀(19)；通过外接的高压气源导入高压气体，待桶内(1)的压力达到指定值后，打开排污阀(19)，高压气体产生的高压气流穿过过滤介质(6)，并将过滤介质(6)内部的杂质冲出，并通过排污阀(19)排出。After the cleaning process is over, enter the sewage discharge process. In the sewage discharge process, first open the ventilation valve (13), close the inlet valve (10), the outlet valve (11), the exhaust valve (15) and the sewage valve (19); The high-pressure gas source is introduced into the high-pressure gas. After the pressure in the barrel (1) reaches the specified value, the drain valve (19) is opened, and the high-pressure air flow generated by the high-pressure gas passes through the filter medium (6), and the inside of the filter medium (6) is discharged. The impurities are flushed out and discharged through the drain valve (19).
CN202111501907.2A 2021-12-09 2021-12-09 A backwashable filter Pending CN114073870A (en)

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Application Number Priority Date Filing Date Title
CN202111501907.2A CN114073870A (en) 2021-12-09 2021-12-09 A backwashable filter

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Application Number Priority Date Filing Date Title
CN202111501907.2A CN114073870A (en) 2021-12-09 2021-12-09 A backwashable filter

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114849314A (en) * 2022-04-25 2022-08-05 安徽川田环保科技有限公司 Continuous filtering method capable of realizing uninterrupted filtering during cleaning

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CN108771893A (en) * 2018-05-25 2018-11-09 张琛 A kind of sewage disposal washes filter device with ultrasonic counter-flushing
CN211536783U (en) * 2020-01-13 2020-09-22 江苏水德环境科技有限公司 Self-cleaning formula water purifier
CN216878158U (en) * 2021-12-09 2022-07-05 嘉善川田环保科技有限公司 Filter capable of being cleaned reversely

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Publication number Priority date Publication date Assignee Title
CN108771893A (en) * 2018-05-25 2018-11-09 张琛 A kind of sewage disposal washes filter device with ultrasonic counter-flushing
CN211536783U (en) * 2020-01-13 2020-09-22 江苏水德环境科技有限公司 Self-cleaning formula water purifier
CN216878158U (en) * 2021-12-09 2022-07-05 嘉善川田环保科技有限公司 Filter capable of being cleaned reversely

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114849314A (en) * 2022-04-25 2022-08-05 安徽川田环保科技有限公司 Continuous filtering method capable of realizing uninterrupted filtering during cleaning

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