CN112295287A - Water filtration system - Google Patents

Water filtration system Download PDF

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Publication number
CN112295287A
CN112295287A CN202011277935.6A CN202011277935A CN112295287A CN 112295287 A CN112295287 A CN 112295287A CN 202011277935 A CN202011277935 A CN 202011277935A CN 112295287 A CN112295287 A CN 112295287A
Authority
CN
China
Prior art keywords
water
filter
module
filtration system
cavity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011277935.6A
Other languages
Chinese (zh)
Inventor
吴小波
刘宇腾
贲欣梦
李生勇
郑之寿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hualong International Nuclear Power Technology Co Ltd
Original Assignee
Hualong International Nuclear Power Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hualong International Nuclear Power Technology Co Ltd filed Critical Hualong International Nuclear Power Technology Co Ltd
Priority to CN202011277935.6A priority Critical patent/CN112295287A/en
Publication of CN112295287A publication Critical patent/CN112295287A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/31Self-supporting filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/603Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by flow measuring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/606Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/66Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The application provides a water filtration system, it includes first filter and air intake module, and first filter includes first casing and filter core, is equipped with first cavity in the first casing, is equipped with air inlet and outlet on the first casing, and air inlet and outlet all communicate with first cavity, and in first cavity was located to the filter core, the outlet set up with the filter core relatively. The air inlet module is communicated with the air inlet, air pressure is applied to the first filter through the air inlet, water in the first cavity reversely flows through the filter element under the pushing of the air pressure, and impurities attached to the surface of the filter element are peeled off and are discharged from the water outlet along with water flow under the impact of the reversely flowing water. When the filter core of water filtration system is blockked up by impurity, need not to spend plenty of time and manpower change filter core, only need make the module of admitting air apply atmospheric pressure to first filter through the air inlet to saved time and manpower, reduced water filtration system's use cost, solved the higher problem of prior art normal water filtration system use cost.

Description

Water filtration system
Technical Field
The application relates to the technical field of nuclear power stations, in particular to a water filtering system.
Background
The water filtering system is an important component of a nuclear island system of a nuclear power station, and is used for removing impurities such as solid corrosive substances, fission products and the like generated in the operation process of a nuclear island reactor of the nuclear power station in water so as to meet the requirement of the nuclear island system of the nuclear power station on water quality and maintain the normal operation of equipment.
In the prior art, a water filtering system of a nuclear island system of a nuclear power station is of a one-way filtering structure and has no back washing function, when a filter element of the water filtering system is blocked by impurities, the operation of the nuclear island system of the nuclear power station needs to be stopped, a large amount of time and manpower are spent on replacing the filter element, and the replaced old filter element cannot be reused, namely, the water filtering system in the prior art is high in use cost.
Content of application
The embodiment of the application provides a water filtration system, has solved the higher problem of water filtration system use cost among the prior art.
In order to achieve the above object, the embodiment of the present application provides a water filtration system, water filtration system includes first filter and air intake module, first filter includes first casing and filter core, be equipped with first cavity in the first casing, be equipped with air inlet and outlet on the first casing, air inlet and outlet all with first cavity intercommunication, the filter core is located in the first cavity, the outlet with the filter core sets up relatively, air intake module with the air inlet intercommunication, air intake module passes through the air inlet to atmospheric pressure is applyed to first filter.
Optionally, the water filtration system still includes differential pressure transmitter, still be equipped with water inlet and delivery port on the first casing, the water inlet with the delivery port all with first cavity intercommunication, just the water inlet with differential pressure transmitter's first end intercommunication, the delivery port with differential pressure transmitter's second end intercommunication.
Optionally, the water filtration system further comprises a buffer, the buffer comprises a second shell, a second cavity is arranged in the second shell, a first opening and a second opening are arranged on the second shell, the first opening and the second opening are communicated with the second cavity, and the first opening is communicated with the water outlet.
Optionally, the water filtration system further includes an exhaust module, and the second housing is further provided with a third opening, and the third opening is respectively communicated with the second cavity and the exhaust module.
Optionally, the water filtration system further comprises a first check valve and a second check valve, the air inlet module is communicated with the air inlet through the first check valve, and the third opening is communicated with the air outlet module through the second check valve.
Optionally, the water filtration system further comprises a water inlet module, a water outlet module and a bypass pipeline;
the water inlet module is communicated with the water inlet, and the water outlet module is communicated with the water outlet;
the first end of the bypass pipeline is communicated with the water inlet, and the second end of the bypass pipeline is communicated with the water outlet.
Optionally, the water filtration system further comprises a second filter, and the first end of the bypass line is in communication with the water inlet through the second filter.
Optionally, the water filtration system further comprises a detection assembly, the detection assembly comprises a first detection piece, and the first detection piece is arranged at the water inlet.
Optionally, the water filtration system further comprises a valve assembly, the valve assembly comprises a first valve and a second valve, the water inlet module is communicated with the water inlet through the first valve, and the water outlet module is communicated with the water outlet through the second valve.
In the embodiment of the application, the water filtering system comprises a first filter and an air inlet module, the first filter comprises a first shell and a filter element, a first cavity is arranged in the first shell, an air inlet and a water outlet are arranged on the first shell, the air inlet and the water outlet are both communicated with the first cavity, the filter element is arranged in the first cavity, and the water outlet and the filter element are arranged oppositely. The air inlet module is communicated with the air inlet, air pressure is applied to the first filter through the air inlet, water in the first cavity reversely flows through the filter element under the pushing of the air pressure, and impurities attached to the surface of the filter element are peeled off and are discharged from the water outlet along with water flow under the impact of the reversely flowing water. When water filtration system's filter core was blockked up by impurity, need not to spend plenty of time and manpower renew cartridge, only need make the module of admitting air apply atmospheric pressure to first filter through the air inlet, can wash away the impurity on the filter core, make it can continue to use to save time and manpower, reduced water filtration system's use cost, solved the higher problem of prior art normal water filtration system use cost.
Drawings
For a clear explanation of the technical solutions in the embodiments of the present application, the drawings of the specification are described below, it is obvious that the following drawings are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the listed drawings without any inventive effort.
Fig. 1 is a block diagram of a water filtration system provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. On the basis of the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without any creative effort belong to the protection scope of the present application.
Referring to fig. 1, an embodiment of the present application provides a water filtration system, the water filtration system includes a first filter 100 and an air intake module 200, the first filter 100 includes a first housing and a filter element, a first cavity is provided in the first housing, an air inlet 101 and a water outlet 102 are provided on the first housing, the air inlet 101 and the water outlet 102 are both communicated with the first cavity, the filter element is provided in the first cavity, the water outlet 102 is opposite to the filter element, the air intake module 200 is communicated with the air inlet 101, and the air intake module 200 applies air pressure to the first filter 100 through the air inlet 101.
Specifically, the first housing may have an ellipsoidal shape, a rectangular parallelepiped shape, or the like, and the first housing may be made of stainless steel. The material of filter core can be high strength stainless steel, and the filter core can constitute by the stainless steel filter screen of range upon range of setting, can be equipped with support piece in the first cavity, fixes the filter core in first cavity. The air inlet 101 may be disposed at the top of the first housing, and the air inlet 101 is connected to the air inlet module 200 through a pipeline, which may be a hollow cylinder made of stainless steel. The air inlet 101 and the air inlet module 200 can be both communicated with the port of a pipeline in a welding mode, and the air inlet module 200 can be a compressed air system of a nuclear power station. A drain 102 may be provided at the bottom of the first housing to provide for more efficient drainage, the drain 102 being plumbed into the nuclear island wastewater treatment and disposal system of the nuclear power plant.
It should be noted that the design of the water filtration system should meet the requirements of the design and construction rules of pressurized water reactor nuclear island mechanical equipment (RCC-M code).
In the embodiment of the application, the air inlet module is communicated with the air inlet, air pressure is applied to the first filter through the air inlet by the air inlet module, water in the first cavity reversely passes through the filter element to flow under the pushing of the air pressure, and impurities attached to the surface of the filter element are peeled off and are discharged from the water outlet along with water flow under the impact of the reversely flowing water. When water filtration system's filter core was blockked up by impurity, need not to spend plenty of time and manpower renew cartridge, only need make the module of admitting air apply atmospheric pressure to first filter through the air inlet, can wash away the impurity on the filter core, make it can continue to use to save time and manpower, reduced water filtration system's use cost, solved the higher problem of prior art normal water filtration system use cost.
Optionally, as shown in fig. 1, the water filtration system further includes a differential pressure transmitter 501, the first housing is further provided with a water inlet 103 and a water outlet 104, the water inlet 103 and the water outlet 104 are both communicated with the first cavity, the water inlet 103 is communicated with a first end of the differential pressure transmitter 501, and the water outlet 104 is communicated with a second end of the differential pressure transmitter 501.
Specifically, the water inlet 103 is communicated with a first end of the differential pressure transmitter 501 through a pipeline, the water outlet 104 is communicated with a second end of the differential pressure transmitter 501 through a pipeline, and valves can be arranged on two pipelines adjacent to the first end and the second end of the differential pressure transmission transformer. The differential pressure transmitter 501 is used for measuring the liquid level, the flow rate and the pressure of liquid, and then converting the liquid level, the flow rate and the pressure into 4-20 mA direct current signals to be output. The water to be purified flows in from the water inlet 103, flows through the filter element of the first filter 100, and then flows out from the water outlet 104, along with the continuous operation of the filtering operation, the impurities accumulated on the surface of the filter element gradually increase and thicken, the pressure difference between the water inlet 103 and the water outlet 104 of the first filter 100 becomes higher and higher, when the pressure difference exceeds a preset value (the preset value can be 0.25 mpa, and the preset value can be changed correspondingly according to different systems), the differential pressure transmitter 501 sends a corresponding indication signal to indicate that the filter element blockage of the first filter 100 exceeds an allowable degree, and the air inlet module 200 is started to perform back flushing to clean the filter element.
Optionally, as shown in fig. 1, the water filtration system further includes a buffer 300, the buffer 300 includes a second housing, a second cavity is disposed in the second housing, a first opening 301 and a second opening 302 are disposed on the second housing, the first opening 301 and the second opening 302 are both communicated with the second cavity, and the first opening 301 is communicated with the water outlet 102.
Specifically, the buffer 300 may be a hollow ellipsoid made of stainless steel, and the reverse flowing water under the action of air pressure is discharged after passing through the buffer 300 for speed reduction, so as to reduce the impact of high-speed water flow on the nuclear island wastewater treatment and discharge system of the nuclear power plant.
Optionally, as shown in fig. 1, the water filtering system further includes an exhaust module 400, a third opening 303 is further disposed on the second housing, and the third opening 303 is respectively communicated with the second cavity and the exhaust module 400.
Specifically, the exhaust module 400 may be a nuclear island gas treatment and discharge system of a nuclear power plant, the third opening 303 is disposed at the top of the second housing, and the third opening 303 is communicated with the exhaust module 400 through a pipeline to discharge the exhaust gas in the first cavity and the second cavity.
Optionally, the water filtering system further comprises a first check valve 201 and a second check valve 401, the air inlet module 200 is communicated with the air inlet 101 through the first check valve 201, and the third opening 303 is communicated with the air outlet module 400 through the second check valve 401.
The check valve is a valve with a circular valve clack as the opening and closing part and acts by the weight of the valve and the pressure of a medium to block the backflow of the medium, and can prevent the backflow of water. The first check valve 201 is disposed on a line connecting the intake module 200 and the intake port 101, so that the gas flowing into the first filter 100 is prevented from flowing back into the intake module 200, which may affect the effect of cleaning the first filter 100. The second check valve 401 is disposed on a line connecting the third opening 303 and the exhaust module 400, so that the exhaust gas is prevented from flowing back into the damper 300 through the line and affecting the exhaust effect.
Optionally, the water filtration system further includes a water inlet module 500, a water outlet module 600, and a bypass pipeline 502, wherein the water inlet module 500 is communicated with the water inlet 103, the water outlet module 600 is communicated with the water outlet 104, a first end of the bypass pipeline 502 is communicated with the water inlet 103, and a second end of the bypass pipeline 502 is communicated with the water outlet 104.
The water inlet module 500 is communicated with the water inlet 103 through a pipeline, the water outlet module 600 is communicated with the water outlet 104 through a pipeline, the water inlet module 500 provides water to be purified, the water flows into the first filter 100 through the water inlet 103 to be filtered, the filtered water flows out from the water outlet 104 to flow into the water outlet module 600, and the water is sent to a water-requiring system needing the filtered water. The bypass line 502 is provided with a third valve 505, and the third valve 505 is closed when the first filter 100 is normally filtering and opened when the first filter 100 is cleaned. When the first filter 100 is cleaned, the water to be purified is provided from the water inlet module 500, and directly flows into the water outlet module 600 through the bypass line 502 to supply water to the water demand system. The water supply to the water demand system is not interrupted, and because the first filter 100 is cleaned for a short time, usually 10s, the water to be purified is not filtered for a short time and is supplied to the water demand system, and the influence is small and negligible.
Optionally, the water filtration system further comprises a second filter, through which the first end of the bypass line 502 communicates with the water inlet 103.
It should be understood that, when the cost allows, a second filter may be further disposed on the bypass line 502, and when the first filter 100 is cleaned, the water to be purified is provided by the water inlet module 500, flows into the bypass line 502, is filtered by the second filter on the bypass line 502, and then flows out to the water outlet module 600 to supply water to the water demand system.
Optionally, as shown in fig. 1, the water filtration system further includes a detection assembly, the detection assembly includes a first detection member 503, and the first detection member 503 is disposed at the water inlet 103.
The first detecting member 503 may be a pressure gauge, which is disposed on a pipeline connecting the water inlet module 500 and the water inlet 103 through a manual valve, and detects the pressure at the water inlet 103 of the first filter 100. The sensing assembly may further include a second sensing member 304 and a third sensing member 105, and the second sensing member 304 may be disposed at the buffer 300, and in particular, may be in communication with the second chamber with a line, and a manual valve and the second sensing member 304 may be disposed on the line. Similarly, a line may be used to communicate with the first chamber, and a manual valve and a third detecting member 105 may be provided on the line. The second detecting member 304 and the third detecting member 105 may be pressure gauges for detecting pressures inside the buffer 300 and inside the first filter 100, respectively. When the internal pressure of the first filter 100 exceeds the limit value, it means that the internal pressure of the first filter 100 is too high, and the first filter 100 may be burst, and human intervention may be required, and the human intervention may be to clean the first filter 100.
The detection assembly may further comprise a radiation detector, which may be disposed 1-2m from the filter housing, for detecting the amount of radiation when the amount of radiation exceeds a predetermined value, such as 1 × 104Gy, the first filter 100 is cleaned.
Optionally, as shown in fig. 1, the water filtering system further includes a valve assembly, the valve assembly includes a first valve 504 and a second valve 601, the water inlet module 500 is communicated with the water inlet 103 through the first valve 504, and the water outlet module 600 is communicated with the water outlet 104 through the second valve 601.
The first valve 504 and the second valve 601 can be pneumatic valves, and the valve assembly can further comprise a fourth valve 202, wherein the fourth valve 202 is arranged on a pipeline for communicating the air inlet module 200 with the air inlet 101; the valve assembly may further include a fifth valve 402, the fifth valve 402 being provided on a line connecting the gas inlet 101 and the exhaust module 400; the valve assembly may further comprise a sixth valve 305, the sixth valve 305 being provided on a line connecting the drain 102 and the first opening 301; the valve assembly may further comprise a seventh valve 306, the seventh valve 306 being disposed on a line communicating the second opening 302 with the waste treatment module; the valve assembly may further comprise an eighth valve 403, the eighth valve 403 being provided in a line connecting the third opening 303 and the second check valve 401.
By adding a valve assembly, control of the water filtration system can be enhanced. Specifically, the method comprises the following steps: when the first filter 100 filters normally, the first valve 504 and the second valve 601 are opened, the third valve 505, the fourth valve 202, the fifth valve 402, the sixth valve 305, the seventh valve 306, and the eighth valve 403 are all closed, the valves at both ends of the differential pressure transmitter 501 are opened, and the manual valves connected to the detecting member are all opened. The water inlet module 500 outputs water to be purified, the water to be purified flows through the first valve 504 and flows into the first filter 100 from the water inlet 103, under the action of differential pressure, the water to be purified passes through the filter element, impurities are intercepted on the outer surface of the filter element under the intercepting action of the filter element pore channel, separation of the water and the impurities is achieved, the purified water passes through the filter element, flows out from the water outlet 104, and flows to the water outlet module 600 after flowing through the second valve 601.
Along with the continuous operation of the filtering operation, the impurities accumulated on the surface of the filter element gradually increase and thicken, the pressure difference between the water inlet 103 and the water outlet 104 of the first filter 100 becomes higher and higher, and when the pressure difference exceeds a preset value (the preset value can be 0.25 mpa, and the preset value can be changed correspondingly according to different systems), the differential pressure transmitter 501 sends a corresponding indication signal to indicate that the filter element blockage of the first filter 100 exceeds the allowable degree, and the air inlet module 200 is started to perform back washing to clean the filter element. The specific process is as follows: the first valve 504 and the second valve 601 are closed by the indication signal of the differential pressure transmitter 501, the third valve 505 and the fourth valve 202 are opened, the water to be purified can enter the water outlet module 600 through the bypass line 502, the air inlet module 200 blows air into the first filter 100, air pressure is applied to the first filter 100, when the air pressure in the first filter 100 reaches a set value, the fourth valve 202 is closed, the sixth valve 305 is opened, the water in the first cavity reversely flows through the filter element under the push of the air pressure, and impurities attached to the surface of the filter element are peeled off and discharged from the water outlet 102 along with the water flow to flow into the buffer 300 under the impact of the reversely flowing water. After the water flow and the air flow are judged to be stable in the buffer 300 by observing the second detecting member 304, the seventh valve 306 is opened to drain, and when the water in the first filter 100 and the buffer 300 is drained, the sixth valve 305 is closed, and the fifth valve 402 and the eighth valve 403 are opened to exhaust.
After the filter element cleaning process is finished, the third valve 505, the fifth valve 402, the seventh valve 306 and the eighth valve 403 are closed, the first valve 504 and the second valve 601 are opened, and the first filter 100 filters normally and waits for the next cleaning.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. A water filtration system comprising a first filter and an air intake module;
the first filter comprises a first shell and a filter element, a first cavity is arranged in the first shell, an air inlet and a water outlet are arranged on the first shell, the air inlet and the water outlet are both communicated with the first cavity, the filter element is arranged in the first cavity, and the water outlet and the filter element are oppositely arranged;
the air intake module is in communication with the air inlet, the air intake module applying air pressure to the first filter through the air inlet.
2. The water filtration system of claim 1, further comprising a differential pressure transmitter, wherein the first housing further comprises a water inlet and a water outlet, the water inlet and the water outlet are both in communication with the first cavity, the water inlet is in communication with a first end of the differential pressure transmitter, and the water outlet is in communication with a second end of the differential pressure transmitter.
3. The water filtration system of claim 1 further comprising a damper, the damper comprising a second housing, a second cavity disposed within the second housing, a first opening and a second opening disposed on the second housing, the first opening and the second opening both communicating with the second cavity, and the first opening communicating with the drain opening.
4. The water filtration system of claim 3 further comprising an exhaust module, wherein the second housing further defines a third opening therein, the third opening communicating with the second cavity and the exhaust module, respectively.
5. The water filtration system of claim 4 further comprising a first check valve and a second check valve, the air intake module communicating with the air intake port through the first check valve, the third port communicating with the air exhaust module through the second check valve.
6. The water filtration system of claim 2, further comprising an inlet water module and an outlet water module, a bypass line;
the water inlet module is communicated with the water inlet, and the water outlet module is communicated with the water outlet;
the first end of the bypass pipeline is communicated with the water inlet, and the second end of the bypass pipeline is communicated with the water outlet.
7. The water filtration system of claim 6, further comprising a second filter through which the first end of the bypass line communicates with the water inlet.
8. The water filtration system of claim 2 further comprising a detection assembly including a first detection member, the first detection member being disposed at the water inlet.
9. The water filtration system of claim 6 further comprising a valve assembly including a first valve through which the inlet module communicates with the inlet and a second valve through which the outlet module communicates with the outlet.
CN202011277935.6A 2020-11-16 2020-11-16 Water filtration system Pending CN112295287A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011277935.6A CN112295287A (en) 2020-11-16 2020-11-16 Water filtration system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011277935.6A CN112295287A (en) 2020-11-16 2020-11-16 Water filtration system

Publications (1)

Publication Number Publication Date
CN112295287A true CN112295287A (en) 2021-02-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011277935.6A Pending CN112295287A (en) 2020-11-16 2020-11-16 Water filtration system

Country Status (1)

Country Link
CN (1) CN112295287A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114797274A (en) * 2022-06-27 2022-07-29 新乡市万和过滤技术股份公司 Domestic sewage purification device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114797274A (en) * 2022-06-27 2022-07-29 新乡市万和过滤技术股份公司 Domestic sewage purification device

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