CN219964138U - Protection device for backwash filter backwash tube - Google Patents
Protection device for backwash filter backwash tube Download PDFInfo
- Publication number
- CN219964138U CN219964138U CN202321560626.9U CN202321560626U CN219964138U CN 219964138 U CN219964138 U CN 219964138U CN 202321560626 U CN202321560626 U CN 202321560626U CN 219964138 U CN219964138 U CN 219964138U
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- CN
- China
- Prior art keywords
- filter
- backwash
- cutting water
- pipeline
- check valve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 239000006096 absorbing agent Substances 0.000 claims abstract description 19
- 238000011010 flushing procedure Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims 1
- 238000005520 cutting process Methods 0.000 abstract description 42
- 239000002245 particle Substances 0.000 description 10
- 238000011001 backwashing Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a protection device for a backwash pipe of a backwash filter, which comprises a grain cutting water collecting tank for collecting grain cutting water, wherein a backwash filter for filtering the grain cutting water output by the grain cutting water collecting tank is arranged beside the grain cutting water collecting tank, a mute check valve for preventing the grain cutting water from flowing back is arranged between the grain cutting water collecting tank and the backwash filter, and a water hammer absorber for adjusting the impact force of the grain cutting water is arranged between the mute check valve and the grain cutting water collecting tank. The utility model solves the problems of easy damage and high noise of the traditional back flushing filter in the prior art. The utility model has the advantages of long service life, low noise, high working stability and the like.
Description
Technical Field
The utility model relates to the field of grain cutting water filtering equipment, in particular to a protection device for a backwash tube of a backwash filter.
Background
The cutting of the nylon slices is completed through cooling of the cutting water, the cutting water is used after being filtered in the cutting process, the common filtering mode comprises on-line cleaning and off-line cleaning, the back flushing candle filter is one of on-line cleaning, and the back flushing candle filter has the effects of convenience and rapidness and no influence on the operation of the system.
Backwashing the candle filter: the back washing is started by controlling the time and the pressure difference, and each filter unit is back washed in sequence in the filter system. The filter unit can ensure continuous water outlet by automatically switching between the work and the backwashing states.
At present, chinese patent discloses a coal machine hydraulic support back flush filter on net, publication number CN213375454U, including back flush filter organism, the level one end of back flush filter organism is equipped with the feed liquor pipe, the level other end of back flush filter organism is equipped with the electric cabinet, the top outer wall of back flush filter organism is close to one side of electric cabinet and is equipped with the drain pipe, the one end that the drain pipe kept away from back flush filter organism is all fixed welding has first installing circle, the one end fixed mounting who keeps away from back flush filter organism has the second installing circle of first installing circle, one side outer wall border position that the first installing circle is close to the second installing circle all is equipped with the inserted pin. The back flushing filter is convenient and quick to install and remove, the required disassembly and assembly time during maintenance is greatly shortened, the working efficiency is improved, the electric cabinet can be kept dry in rainy days, the electric cabinet is prevented from being wetted or water is fed into the electric cabinet, and the safety of the back flushing filter during use is ensured.
The back flushing filter of the hydraulic support of the coal machine has the advantage of high working efficiency, but when the valve is closed too quickly in the back flushing process in working, water flow shock waves are generated due to the inertia of pressure water flow, so that the pipelines and the equipment are greatly vibrated, the pipelines and the equipment are damaged, the normal operation of the system is influenced in maintenance, and the working environment of staff is influenced by the noise of the vibration.
Disclosure of Invention
The utility model aims to solve the problems of easy damage and high noise of the traditional back flushing filter in the prior art, and provides a protection device for a back flushing pipe of the back flushing filter, which has the advantages of long service life, low noise during working and the like.
The utility model relates to a protection device for a backwash tube of a backwash filter, which comprises a grain cutting water collecting tank for collecting grain cutting water, wherein a backwash filter for filtering the grain cutting water output by the grain cutting water collecting tank is arranged beside the grain cutting water collecting tank, a mute check valve for preventing the grain cutting water from flowing back is arranged between the grain cutting water collecting tank and the backwash filter, and a water hammer absorber for adjusting the impact force of the grain cutting water is arranged between the mute check valve and the grain cutting water collecting tank.
Preferably, the output end of the grain cutting water collecting tank is connected with the input end of the water hammer absorber through a setting pipeline and a hydraulic pump, the output end of the water hammer absorber is connected with the input end of the mute check valve through a setting pipeline, and the output end of the mute check valve is connected with the input end of the backwash filter through a setting filter pipeline.
Preferably, the left port of the filtering pipeline is connected with the output end flange of the mute check valve, the right port of the filtering pipeline is connected with the input end flange of the backwashing filter, and a filter element for preliminarily filtering the granular water is embedded in the filtering pipeline in a sliding manner.
Preferably, the inner wall of the left end opening of the filtering pipeline is provided with a plurality of limit sliding grooves which are uniformly distributed and are used for sliding and installing the filter element.
Preferably, the longitudinal section of the filter element is U-shaped, and a limit sliding block which is in sliding connection with the limit sliding groove is welded on the periphery of the left port of the filter element.
According to the utility model, a mute check valve and a water hammer absorber are arranged at the recoil water outlet, the pressure of the water hammer absorber can be adjusted, the mute check valve prevents water from flowing back to the valve, and the water flow direction of the grain cutting water is controlled. The water hammer absorber can release backwater pressure in the absorber, so that vibration generated by water flow steering backflow when a recoil valve in part of pipelines is suddenly closed is eliminated, noise can be reduced, pipelines and equipment can be effectively protected from being damaged, the service life of the pipeline is prolonged, and the stability of the pipeline is improved.
Before working, the utility model is firstly installed in a required production line; when the filter element is installed, a screwdriver is used for unscrewing a flange between the output end of the mute check valve and the filter pipeline and separating the mute check valve from the filter pipeline, limiting sliding blocks positioned on the periphery of the filter element are respectively aligned with the limiting sliding grooves, the filter element is pushed into the filter pipeline from left to right along the limiting sliding grooves until the limiting sliding blocks are propped against the bottom of the limiting sliding grooves, at the moment, the periphery of the filter element is attached to the inner wall of the input pipeline, the limiting sliding blocks are attached to the inner wall of the limiting sliding grooves, and then the left port of the filter pipeline is attached to the output end of the mute check valve by the screwdriver and the flange is screwed.
When the device works, the hydraulic pump is firstly opened, the hydraulic pump can convey the grain cutting water in the grain cutting water collecting tank to the water hammer absorber, the water hammer absorber can effectively absorb part of impact force generated by the grain cutting water, the grain cutting water passing through the water hammer absorber flows into the filtering pipeline through the pipeline and the mute check valve to carry out preliminary filtration, the filter core in the filtering pipeline can intercept larger impurities of grains, the grain cutting water passing through the preliminary filtration enters the backwashing filter to carry out secondary filtration, and the grain cutting water after the secondary filtration can cope with the required recovery requirement.
The back flush filter can be of the following model: YQSC-AK/K20JY back flush candle filter.
The water hammer absorber can adopt: CAROLO water hammer eliminator.
The mute check valve can be of the following type: DRVZ-16.
The utility model has the following beneficial effects: long service life, low noise and high working stability.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the filter element of the present utility model.
The device comprises a particle cutting water collecting tank 1, a backwashing filter 2, a mute check valve 3, a water hammer absorber 4, a filtering pipeline 5, a filter element 6, a limiting chute 7 and a limiting slide block 8.
Detailed Description
The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.
Examples: according to the protection device of the backwash filter backwash tube of the embodiment, which is further described with reference to the accompanying drawings 1 and 2, the protection device comprises a particle cutting water collecting tank 1 for collecting particle cutting water, a backwash filter 2 for filtering the particle cutting water output by the particle cutting water collecting tank 1 is arranged beside the particle cutting water collecting tank 1, a mute check valve 3 for preventing the particle cutting water from flowing back is arranged between the particle cutting water collecting tank 1 and the backwash filter 2, and a water hammer absorber 4 for adjusting the impact force of the particle cutting water is arranged between the mute check valve 3 and the particle cutting water collecting tank 1.
The output end of the grain cutting water collecting tank 1 is connected with the input end of the water hammer absorber 4 through a setting pipeline and a hydraulic pump, the output end of the water hammer absorber 4 is connected with the input end of the mute check valve 3 through a setting pipeline, and the output end of the mute check valve 3 is connected with the input end of the backwash filter 2 through a setting filter pipeline 5.
The left port of the filtering pipeline 5 is connected with the output end flange of the mute check valve 3, the right port of the filtering pipeline 5 is connected with the input end flange of the backwashing filter 2, and a filter element 6 for preliminarily filtering the granular water is slidably embedded in the filtering pipeline 5.
The inner wall of the left end opening of the filtering pipeline 5 is provided with a plurality of limit sliding grooves 7 which are uniformly distributed and are used for slidably mounting the filter element 6.
The longitudinal section of the filter element 6 is U-shaped, and a limit sliding block 8 which is in sliding connection with a limit sliding groove 7 is welded on the periphery of the left port of the filter element 6.
The above embodiments are merely examples of the present utility model, but the present utility model is not limited thereto, and any changes or modifications made by those skilled in the art are included in the scope of the present utility model.
Claims (5)
1. The utility model provides a protection device of back flush filter back flushing pipe, includes cut grain water collecting vessel (1) that are used for collecting cut grain water, cut grain water collecting vessel (1) side be equipped with be used for carrying out filterable back flush filter (2) to cut grain water of cut grain water collecting vessel (1) output, characterized by, cut grain water collecting vessel (1) and back flush filter (2) between be equipped with silence check valve (3) that are used for preventing cut grain water backward flow, silence check valve (3) and cut grain water collecting vessel (1) between be equipped with water hammer absorber (4) that are used for adjusting the impact force of cut grain water.
2. The protection device for the backwash filter backwash tube according to claim 1 is characterized in that the output end of the cut grain water collection tank (1) is connected with the input end of the water hammer absorber (4) through a setting pipeline and a hydraulic pump, the output end of the water hammer absorber (4) is connected with the input end of the mute check valve (3) through a setting pipeline, and the output end of the mute check valve (3) is connected with the input end of the backwash filter (2) through a setting filter pipeline (5).
3. The protection device for the backwash filter backwash tube according to claim 2 is characterized in that the left port of the filtering pipeline (5) is connected with the output end flange of the mute check valve (3), the right port of the filtering pipeline (5) is connected with the input end flange of the backwash filter (2), and a filter element (6) for preliminarily filtering the cut water is embedded in the filtering pipeline (5) in a sliding manner.
4. A protection device for a backwash filter backwash tube according to claim 3, wherein a plurality of limit sliding grooves (7) which are uniformly distributed and are used for sliding installation of the filter element (6) are formed on the inner wall of the left port of the filter pipeline (5).
5. The protection device for the backwash filter backwash tube according to claim 4 is characterized in that the longitudinal section of the filter element (6) is U-shaped, and a limit sliding block (8) in sliding connection with a limit sliding groove (7) is welded on the periphery of the left port of the filter element (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321560626.9U CN219964138U (en) | 2023-06-19 | 2023-06-19 | Protection device for backwash filter backwash tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321560626.9U CN219964138U (en) | 2023-06-19 | 2023-06-19 | Protection device for backwash filter backwash tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219964138U true CN219964138U (en) | 2023-11-07 |
Family
ID=88582785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321560626.9U Active CN219964138U (en) | 2023-06-19 | 2023-06-19 | Protection device for backwash filter backwash tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219964138U (en) |
-
2023
- 2023-06-19 CN CN202321560626.9U patent/CN219964138U/en active Active
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