CN113384942A - Disassembly-free automatic quick flushing device and flushing method for filter - Google Patents
Disassembly-free automatic quick flushing device and flushing method for filter Download PDFInfo
- Publication number
- CN113384942A CN113384942A CN202110757428.0A CN202110757428A CN113384942A CN 113384942 A CN113384942 A CN 113384942A CN 202110757428 A CN202110757428 A CN 202110757428A CN 113384942 A CN113384942 A CN 113384942A
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- China
- Prior art keywords
- filter
- flushing
- pressure difference
- drainage pipeline
- disassembly
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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000005406 washing Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- 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
- B01D29/668—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with valves, e.g. rotating valves for coaxially placed filtering elements
-
- 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
- B01D29/11—Filters 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
-
- 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
- B01D29/60—Filters 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
- B01D29/606—Filters 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
Abstract
The invention provides a disassembly-free automatic quick flushing device and a flushing method for a filter, which comprises the filter arranged on a conveying pipeline, and comprises the following components: pressure detection means for detecting a pressure difference between the inlet end and the outlet end of the filter; the flushing drainage pipeline is arranged at the side part of the filter, flushes the blockage in the filter by using the medium in the conveying pipeline and discharges the blockage through the flushing drainage pipeline, and an electromagnetic valve is arranged on the flushing drainage pipeline; the invention detects the pressure difference between the inlet end and the outlet end of the filter by arranging the pressure detection device, sends the pressure difference to the controller for judgment, controls the electromagnetic valve on the flushing drainage pipeline to open if the filter is judged to be in a blocking state, flushes the filter by using the medium in the conveying pipeline and discharges the filter through the flushing drainage pipeline without disassembling a filter core or interrupting the medium conveying.
Description
Technical Field
The invention relates to the technical field of filter cleaning, in particular to a disassembly-free automatic quick flushing device and a flushing method for a filter.
Background
The filter generally comprises a shell, a filter core, a detachable end cover and a fixing bolt. The filter core is cleaned and flushed in time after being dirty or blocked, so that the normal work of the filter is ensured, the key link for enabling the medium to circulate normally is provided, and the cleaning state of the filter core is of great importance to the whole medium conveying system.
In a certain time and a certain period of time, the filter core filters impurities, dirt and the like due to long-term operation, so that a filter screen is easily blocked, the pressure difference between the front and the back of the filter is increased, the resistance on medium conveying is large, the normal operation of rear-end equipment is influenced, and the problem hidden danger exists. Therefore, the filter needs to be washed regularly according to the filter screen blockage index of the filter, the filter on the existing boiler water supply pipeline is washed once per week, fixing screws for fixing end covers are disassembled one by one before transformation, and then the filter element is taken out for washing; during installation, the filter element is placed at first, then the fixed end cover is installed, and fastening screws are installed one by one. The dismantlement is extremely inconvenient with the mounting means, needs a large amount of manpowers, and intensity of labour is big, and the in-process that the filter was washed in the dismouting will break off the medium and carry, influences rear end equipment normal operating, washes the cycle and does not well master, causes the clearance untimely or wash the operation redundancy easily, simultaneously, the dismouting of multifrequency time causes fixing bolt or sealed damage easily, causes the secondary problem to take place.
Disclosure of Invention
The invention aims to provide a disassembly-free automatic quick flushing device and a flushing method for a filter, which can clean the filter without disassembly under the condition of not interrupting the medium conveying;
the invention provides a filter disassembly-free automatic quick flushing device, which comprises a filter arranged on a conveying pipeline, and comprises:
pressure detection means for detecting a pressure difference between the inlet end and the outlet end of the filter;
the flushing drainage pipeline is arranged at the side part of the filter, flushes the blockage in the filter by using the medium in the conveying pipeline and discharges the blockage through the flushing drainage pipeline, and an electromagnetic valve is arranged on the flushing drainage pipeline;
and the controller is connected with the pressure detection device and the electromagnetic valve.
In a preferred embodiment, the pressure detection means is provided in two, respectively at the inlet end and the outlet end of the filter.
In a preferred embodiment, the pressure detection means is a pressure sensor.
In a preferred embodiment, the filter is a Y-filter.
In a preferred embodiment, the flushing drain line communicates with the end of the branch pipe of the Y-strainer.
In a preferred embodiment, a manual ball valve is provided on the flushing drain pipe.
In a preferred embodiment, a manual butterfly valve is provided at the inlet end of the filter.
A disassembly-free automatic quick washing method for a filter comprises the following steps:
s1: detecting the pressure difference between the inlet end and the outlet end of the Y-shaped filter by a pressure sensor;
s2: transmitting the detected pressure difference signal to a controller, comparing the detected pressure difference signal with a preset pressure difference threshold value in the controller, and judging that the Y-shaped filter is blocked if the detected pressure difference signal reaches the preset pressure difference threshold value;
and S3, the controller controls the opening of a flushing drainage pipeline communicated with the Y-shaped filter branch pipe, and media in the conveying pipeline are used for flushing the blockage in the Y-shaped filter and discharging the blockage through the flushing drainage pipeline.
According to the technical scheme, the pressure detection device is arranged to detect the pressure difference between the inlet end and the outlet end of the filter, the pressure difference is sent to the controller for judgment, if the filter is judged to be in a blocking state, the electromagnetic valve on the flushing drainage pipeline is controlled to be opened, the filter is flushed by using the medium in the conveying pipeline and is discharged through the flushing drainage pipeline, the filter core is not required to be detached, and the medium conveying is not required to be interrupted.
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 description of the embodiments or 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 other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
description of reference numerals:
1. a pressure detection device; 2. a delivery conduit; 3. a manual butterfly valve; 4. a filter; 5. a controller; 6. a manual ball valve; 7. an electromagnetic valve; 8. and (5) washing the drainage pipeline.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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 device 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 implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
as shown in fig. 1, the present invention provides a filter detachment-free automatic quick flushing device, which comprises a filter 4 arranged on a conveying pipeline 2, and comprises:
a pressure detecting device 1 for detecting a pressure difference between an inlet end and an outlet end of the filter 4; after the conveying pipeline 2 is blocked, the pressure difference between the inlet end and the outlet end of the filter 4 is increased, the pressure at the inlet end is greater than that at the outlet end, and whether the filter 4 is blocked and the degree of the blockage are judged according to the pressure difference;
the flushing drainage pipeline 8 is arranged at the side part of the filter 4, so that flushing water for flushing the filter core together with the blockage can be discharged through the flushing drainage pipeline 8, the blockage in the filter 4 is flushed by using a medium in the conveying pipeline 2 and discharged through the flushing drainage pipeline 8, the conveying of the medium is not interrupted, the working efficiency is ensured, and flushing liquid is not additionally arranged and the medium is liquid; an electromagnetic valve 7 is arranged on the device and is used for controlling the opening and closing of a flushing drainage pipeline 8.
And the controller 5 is a single chip microcomputer and is connected with the pressure detection device 1 and the electromagnetic valve 7. The pressure detection device 1 transmits the detected pressure difference signal to the controller 5, compares the detected pressure difference signal with a preset pressure difference threshold value in the controller 5, judges that the filter 4 is blocked if the detected pressure difference signal reaches the preset pressure difference threshold value, and opens the electromagnetic valve 7 and the flushing drainage pipeline 8 at the moment.
The pressure detection devices 1 are provided in two, respectively at the inlet end and the outlet end of the filter 4. The pressure detection device 1 is arranged on the conveying pipeline 2 at the inlet end and the outlet end of the filter 4 in a way of opening, and the detection end of the pressure detection device 1 extends into the conveying pipeline 2.
The pressure detection device 1 is a pressure sensor.
The filter 4 is a Y-shaped filter, and the Y-shaped filter is provided with an inlet end and an outlet end which are communicated with the conveying pipeline 2 and a branch pipe provided with a filter screen.
The flushing drain line 8 communicates with the end of the branch pipe of the Y-filter. The branch pipe is internally provided with a cylindrical filter screen, a medium enters from the inlet end of the Y-shaped filter and flows out from the outlet end after being filtered by the filter screen, and a filtered substance is left on the filter screen, so that the end part of the branch pipe is communicated with the flushing drainage pipeline, and the filtered substance on the filter screen can be discharged from the flushing drainage pipeline.
Be equipped with manual ball valve 6 on washing drainage pipe 8, manual ball valve 6 is used for the manual opening to wash drainage pipe 8, carries out manual control for filter screen washing at any time when solenoid valve 7 breaks down or the pressure difference does not reach and predetermines the threshold value.
A manual butterfly valve 3 is provided at the inlet end of the filter 4 for medium interruption when removing and mounting the filter 4.
Example 2:
a disassembly-free automatic quick washing method for a filter comprises the following steps:
s1: detecting the pressure difference between the inlet end and the outlet end of the Y-shaped filter by a pressure sensor;
s2: transmitting the detected pressure difference signal to the controller 5, comparing the detected pressure difference signal with a preset pressure difference threshold value in the controller 5, and judging that the Y-shaped filter is blocked if the detected pressure difference signal reaches the preset pressure difference threshold value;
and S3, the controller 5 controls the flushing drainage pipeline 8 communicated with the Y-shaped filter branch pipe to open, namely, the electromagnetic valve 7 on the flushing drainage pipeline 8 is opened, and the medium in the conveying pipeline 2 is used for flushing the blockage in the Y-shaped filter and discharging the blockage through the flushing drainage pipeline 8.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides an automatic quick washing unit of filter dismantlement-free, includes the filter that sets up on pipeline, its characterized in that includes:
pressure detection means for detecting a pressure difference between the inlet end and the outlet end of the filter;
the flushing drainage pipeline is arranged at the side part of the filter, flushes the blockage in the filter by using the medium in the conveying pipeline and discharges the blockage through the flushing drainage pipeline, and an electromagnetic valve is arranged on the flushing drainage pipeline;
and the controller is connected with the pressure detection device and the electromagnetic valve.
2. The filter disassembly-free automatic quick flushing device of claim 1, wherein the pressure detection devices are provided in two, respectively at the inlet end and the outlet end of the filter.
3. The filter disassembly-free automatic quick flushing device of claim 2, wherein the pressure detection device is a pressure sensor.
4. The filter disassembly-free automatic quick flushing device of claim 1, wherein the filter is a Y-type filter.
5. The disassembly-free automatic quick washing device of claim 4, wherein the washing drainage pipeline is communicated with the end of the branch pipe of the Y-shaped filter.
6. The disassembly-free automatic quick washing device for the filter as claimed in claim 1, wherein a manual ball valve is arranged on the washing drainage pipeline.
7. The filter disassembly-free automatic quick flushing device as claimed in claim 1, wherein a manual butterfly valve is arranged at the inlet end of the filter.
8. The disassembly-free automatic quick washing method of the filter is characterized by comprising the following steps of:
s1: detecting the pressure difference between the inlet end and the outlet end of the Y-shaped filter by a pressure sensor;
s2: transmitting the detected pressure difference signal to a controller, comparing the detected pressure difference signal with a preset pressure difference threshold value in the controller, and judging that the Y-shaped filter is blocked if the detected pressure difference signal reaches the preset pressure difference threshold value;
and S3, the controller controls the opening of a flushing drainage pipeline communicated with the Y-shaped filter branch pipe, and media in the conveying pipeline are used for flushing the blockage in the Y-shaped filter and discharging the blockage through the flushing drainage pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110757428.0A CN113384942A (en) | 2021-07-05 | 2021-07-05 | Disassembly-free automatic quick flushing device and flushing method for filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110757428.0A CN113384942A (en) | 2021-07-05 | 2021-07-05 | Disassembly-free automatic quick flushing device and flushing method for filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113384942A true CN113384942A (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110757428.0A Pending CN113384942A (en) | 2021-07-05 | 2021-07-05 | Disassembly-free automatic quick flushing device and flushing method for filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113384942A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114130116A (en) * | 2021-10-26 | 2022-03-04 | 北京天玛智控科技股份有限公司 | Filter washing control method and device and electronic equipment |
| CN114922699A (en) * | 2022-05-11 | 2022-08-19 | 首钢京唐钢铁联合有限责任公司 | Cooling system of boiler steam turbine generator unit and control method |
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2021
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114130116A (en) * | 2021-10-26 | 2022-03-04 | 北京天玛智控科技股份有限公司 | Filter washing control method and device and electronic equipment |
| CN114130116B (en) * | 2021-10-26 | 2023-09-01 | 北京天玛智控科技股份有限公司 | Filter flushing control method and device and electronic equipment |
| CN114922699A (en) * | 2022-05-11 | 2022-08-19 | 首钢京唐钢铁联合有限责任公司 | Cooling system of boiler steam turbine generator unit and control method |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210914 |
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| RJ01 | Rejection of invention patent application after publication |