CN209865441U - Telescopic framework for backwashing filter element - Google Patents
Telescopic framework for backwashing filter element Download PDFInfo
- Publication number
- CN209865441U CN209865441U CN201920573851.3U CN201920573851U CN209865441U CN 209865441 U CN209865441 U CN 209865441U CN 201920573851 U CN201920573851 U CN 201920573851U CN 209865441 U CN209865441 U CN 209865441U
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- end cover
- spring
- skeleton
- framework
- filter element
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Abstract
The utility model discloses a scalable skeleton for back flush filter core, including telescopic back flush filter media, upper end cover and lower end cover, the back flush filter media is hollow cylinder, and the back flush filter media outside is equipped with the outer skeleton of spring form, and the top fixed connection of the outer skeleton of spring form is on the upper end cover, and the bottom fixed connection of the outer skeleton of heliciform is on the lower end cover. The inner side of the back washing filter material is provided with a spring-shaped inner framework. The top end of the spring-shaped outer framework of the utility model is fixedly connected with the upper end cover, the bottom end is fixedly connected with the lower end cover, the spring-shaped outer framework can be pulled open together when the distance between the upper end cover and the lower end cover is increased, the spring-shaped outer framework can be contracted together when the distance between the upper end cover and the lower end cover is reduced, and the back washing operation can be completed without unloading the outer framework; the utility model discloses production process is simple, and skeleton circularity can obtain fine control, has higher structural strength, and the pressure that spring form skeleton of equal thickness can bear is far more than punching plate or rhombus net skeleton.
Description
Technical Field
The utility model relates to a filtration equipment technical field especially relates to a scalable skeleton for back flush filter core.
Background
The industrial filter is applied to various industries such as steel, metallurgy, electric power, chemical industry and the like, and is used for purifying oil products, sewage and the like.
The existing filter element is mostly in a folded corrugated form or a metal wire winding filtering form and consists of two end covers, a supporting framework, a filtering layer and a sealing ring. After the filter element is used for a period of time, a lot of solid impurities are accumulated in the filter element, the pressure is increased, the liquid filtering capacity is reduced, and the filter element needs to be replaced. Therefore, in the prior art, the filter element is backwashed, after the filter element is used for a period of time, more solid impurities are accumulated in the filter element, the pressure difference between the inside and the outside of the filter element is increased, the filtering capacity is reduced, at the moment, the filter element can be opened up and down, and the filter element is backwashed by compressed gas or liquid. When the filter element is opened, the upper end cover also moves upwards together, so that the distance between the upper end cover and the lower end cover can be changed during normal filtration and backwashing. In the prior art, the outer framework of the filter element is a punching plate or a rhombic net, which is not suitable for a back-washing filter element which can be opened up and down, so that the back-washing filter element has the defects of low strength, small difference between the internal pressure and the external pressure of the filter element, short service life and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a scalable skeleton for back flush filter core to solve above-mentioned problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the telescopic framework for the backwashing filter element comprises a telescopic backwashing filter material, an upper end cover and a lower end cover, wherein the backwashing filter material is in a hollow cylindrical shape, a spring-shaped outer framework is arranged on the outer side of the backwashing filter material, the top end of the spring-shaped outer framework is fixedly connected to the upper end cover, and the bottom end of the spring-shaped outer framework is fixedly connected to the lower end cover.
Preferably, a spring-shaped inner framework is arranged on the inner side of the backwashing filter material, the top end of the spring-shaped inner framework is fixedly connected to the upper end cover, and the bottom end of the spring-shaped inner framework is fixedly connected to the lower end cover.
The utility model has the advantages as follows:
1. the top end of the spring-shaped outer framework of the utility model is fixedly connected with the upper end cover, the bottom end is fixedly connected with the lower end cover, the spring-shaped outer framework can be pulled open together when the distance between the upper end cover and the lower end cover is increased, the spring-shaped outer framework can be contracted together when the distance between the upper end cover and the lower end cover is reduced, and the back washing operation can be completed without unloading the outer framework; the utility model discloses production process is simple, and material cost is low, and the skeleton circularity can obtain fine control to have higher structural strength, the pressure that the spring form skeleton of equal thickness can bear is far more than punching plate or rhombus net skeleton.
2. The utility model discloses a top fixed connection of spring form inner frame is on the upper end cover, and the bottom fixed connection of spring form inner frame is on the lower end cover. The liquid or gas flow direction is opposite when normally filtering and back flushing, so the filter element can be impacted in two directions, namely outward and inward, the spring-shaped inner framework and the spring-shaped outer framework are combined for use, and the effect of improving the strength of the filter element can be achieved in two directions.
Drawings
Fig. 1 is a schematic view of the external structure of the present invention;
fig. 2 is a schematic diagram of the internal structure of the present invention.
Shown in the figure: 1-spring-shaped outer framework, 2-spring-shaped inner framework, 3-upper end cover, 4-backwashing filter material and 5-lower end cover.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
As shown in fig. 1-2, a telescopic framework for a backwashing filter element comprises a telescopic backwashing filter material 4, an upper end cover 3 and a lower end cover 5, wherein the backwashing filter material 4 is in a hollow cylindrical shape, a spring-shaped outer framework 2 is arranged on the outer side of the backwashing filter material 4, the top end of the spring-shaped outer framework 2 is fixedly connected to the upper end cover 3, and the bottom end of the spring-shaped outer framework 2 is fixedly connected to the lower end cover 5.
The inner side of the back washing filter material 4 is provided with a spring-shaped inner framework 2, the top end of the spring-shaped inner framework 2 is fixedly connected to the upper end cover 3, and the bottom end of the spring-shaped inner framework 2 is fixedly connected to the lower end cover 5.
When the flow direction of the liquid or the compressed gas is from inside to outside, the spring-shaped outer framework 1 has outward impact force on the backwashing filter material 4, and plays a supporting role on the backwashing filter element 4 to prevent the backwashing filter element 4 from deviating outwards, and has small blocking area and small resistance to the liquid or the compressed air.
When the flow direction of the liquid or the compressed gas is from outside to inside, the back washing filter material 4 is impacted inwards, and the spring-shaped inner framework 2 plays a supporting role on the back washing filter material 4 to prevent the back washing filter material 4 from deflecting inwards.
When the backwashing filter material 4 is opened, the spring-shaped outer frame 1 and the spring-shaped inner frame 2 are pulled apart by the upper end cover 3 and the lower end cover 5, and when the backwashing filter material 4 is contracted after the backwashing operation is finished, the spring-shaped outer frame 1 and the spring-shaped inner frame 2 are restored to the original state.
The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
Claims (2)
1. The telescopic framework for the backwashing filter element comprises a telescopic backwashing filter material, an upper end cover and a lower end cover, and is characterized in that the backwashing filter material is in a hollow cylindrical shape, a spring-shaped outer framework is arranged on the outer side of the backwashing filter material, the top end of the spring-shaped outer framework is fixedly connected to the upper end cover, and the bottom end of the spring-shaped outer framework is fixedly connected to the lower end cover.
2. The telescopic framework for the backwashing filter element according to claim 1, wherein a spring-shaped inner framework is arranged inside the backwashing filter material, the top end of the spring-shaped inner framework is fixedly connected to the upper end cover, and the bottom end of the spring-shaped inner framework is fixedly connected to the lower end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920573851.3U CN209865441U (en) | 2019-04-25 | 2019-04-25 | Telescopic framework for backwashing filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920573851.3U CN209865441U (en) | 2019-04-25 | 2019-04-25 | Telescopic framework for backwashing filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209865441U true CN209865441U (en) | 2019-12-31 |
Family
ID=68961994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920573851.3U Expired - Fee Related CN209865441U (en) | 2019-04-25 | 2019-04-25 | Telescopic framework for backwashing filter element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209865441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253427A (en) * | 2022-07-14 | 2022-11-01 | 新乡市金宸过滤有限公司 | Backwashing filter element for hydraulic support |
-
2019
- 2019-04-25 CN CN201920573851.3U patent/CN209865441U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253427A (en) * | 2022-07-14 | 2022-11-01 | 新乡市金宸过滤有限公司 | Backwashing filter element for hydraulic support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |