CN212369719U - Air bag type backwashing device - Google Patents
Air bag type backwashing device Download PDFInfo
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- CN212369719U CN212369719U CN201922117096.0U CN201922117096U CN212369719U CN 212369719 U CN212369719 U CN 212369719U CN 201922117096 U CN201922117096 U CN 201922117096U CN 212369719 U CN212369719 U CN 212369719U
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- backwashing device
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Abstract
The utility model discloses gasbag formula anti-washing unit, including gasbag recoil ware, gasbag recoil ware includes the gasbag body, sets up in the internal portion of gasbag isolated elasticity spacer for two spaces with the internal portion of gasbag, and one of them space of the internal portion of gasbag is equipped with the air supply mouth of intercommunication air supply source, and another one space is equipped with the liquid back flush mouth that the back flush unit was treated to the intercommunication, one of them space of the internal portion of gasbag still is equipped with and closes the formula gas vent. Therefore, the gas quantification in the back washing process is realized through the work of the gas bag body and the elastic partition sheet therein, and the gas quantity is the quantity of the internal space of the gas bag. Thereby, it is possible to prevent excessive gas from flowing into the filtering apparatus or the filtered liquid pipe; the working volume of the air bag backflushing device is the discharge amount of the backflushing liquid, so that the backflushing can be quantitatively performed; simple structure and small occupied area.
Description
Technical Field
The utility model relates to a filter equipment technical field particularly relates to an gasbag formula back flush unit.
Background
When the filter or suspension concentrating equipment is in operation, solid particles can form a filter cake on the surface of the filter element and are continuously thickened along with the filtering process, and when the filter cake is too thick, the production efficiency can be seriously influenced.
The usual backwashing method uses a backwashing pump or uses compressed air as a pressure source for backwashing. However, because the backwashing requires higher pressure and larger instantaneous flow, the backwashing is often carried out in a pulse mode, and a washing pump with high lift is configured to occupy larger land and is not suitable for washing small-sized filtering equipment or independent filtering equipment; the air pushes the filtered liquid to be washed, so that the quantity is not easy to be determined, the compressed air easily reversely passes through the filter element and enters the filtering equipment to influence the operation of the filtering equipment, and the compressed air also easily enters the filtered liquid pipeline to cause the error of a flow meter on the filtered liquid pipeline or cause the abnormal operation of a subsequent water pump.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides gasbag formula back flush unit to solve the difficult quantitative problem of back flush among the prior art.
In order to realize the above-mentioned purpose, according to the utility model discloses gasbag formula back flush unit, including gasbag recoil ware, gasbag recoil ware includes the gasbag body, sets up in the internal portion of gasbag isolated elasticity spacer for two spaces with the internal portion of gasbag, and one of them space of the internal portion of gasbag is equipped with the air supply mouth of intercommunication air supply, and another one space is equipped with the liquid back flush mouth that the back flush unit was treated in the intercommunication, one of them space of the internal portion of gasbag still is equipped with and closes the formula gas vent. Therefore, the gas quantification in the back washing process is realized through the work of the gas bag body and the elastic partition sheet therein, and the gas quantity is the quantity of the internal space of the gas bag. Thereby, it is possible to prevent excessive gas from flowing into the filtering apparatus or the filtered liquid pipe; the working volume of the air bag backflushing device is the discharge amount of the backflushing liquid, so that the backflushing can be quantitatively performed; simple structure and small occupied area.
Furthermore, an exhaust valve is arranged on the exhaust port.
Furthermore, a silencer is connected to the exhaust port. Noise is prevented from occurring when exhausting.
Further, the air bag body is a sphere or a cylinder.
Further, the elastic diaphragm is a rubber sheet or a metal corrugated sheet. Elastic deformation of the spacer is thereby achieved.
Furthermore, the gas supply device also comprises an inert gas source connected with the gas supply port, an air inlet valve connected between the gas supply port and the inert gas source, and a pressure regulating valve.
Furthermore, the device also comprises at least one group of back washing pipes connected with the liquid back washing ports, and back washing valves are arranged on the back washing pipes.
Furthermore, the device to be backwashed is a filtering component, the backwashing pipe is connected with a clear liquid outlet of the filtering component, and the clear liquid outlet of the filtering component is also connected with a clear liquid outlet valve.
Furthermore, when the back washing pipes are two or more groups, the back washing pipes are connected in parallel. The back washing of each group of filtering components is not interfered with each other.
Therefore, the utility model can prevent excessive gas from flowing into the filtering equipment or the clear liquid filtering pipeline; the working volume of the air bag backflushing device is the discharge amount of the backflushing liquid, so that the backflushing can be quantitatively performed; simple structure and small occupied area.
The present invention will be further described with reference to the accompanying drawings and the detailed description. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which form a part of the disclosure, are included to assist in understanding the disclosure, and the description provided herein and the accompanying drawings, which are related thereto, are intended to explain the disclosure, but do not constitute an undue limitation on the disclosure.
In the drawings:
fig. 1 is a schematic structural view of the air bag type backwashing device of the utility model.
Detailed Description
The present invention will be described more fully with reference to the accompanying drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Before the present invention is described with reference to the accompanying drawings, it is to be noted that:
the technical solutions and features provided in the present invention in each part including the following description may be combined with each other without conflict.
Moreover, the embodiments of the invention described in the following description are generally only examples of a subset of the invention, and not all examples. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.
With respect to the terms and units of the present invention. The terms "comprising," "having," and any variations thereof in the description and claims of this invention and the related sections are intended to cover non-exclusive inclusions.
As shown in fig. 1, the bag backwashing device comprises a bag backwashing device, wherein the bag backwashing device comprises a bag body 1 and an elastic diaphragm 2 arranged in the bag body 1 and used for isolating the interior of the bag body 1 into two spaces, one space in the bag body 1 is provided with an air supply port communicated with an air supply source 7, and the other space is provided with a liquid backwashing port communicated with a device to be backwashed.
One of the spaces in the air bag body 1 is also provided with an exhaust port, and the exhaust port is provided with an exhaust valve 3.
And the exhaust port is connected with a silencer 4.
The air bag body 1 is a sphere or a cylinder.
The elastic spacer 2 is a rubber sheet or a metal corrugated sheet.
The gas supply device also comprises an inert gas source connected with the gas supply port, an air inlet valve 5 connected between the gas supply port and the inert gas source, and a pressure regulating valve 6.
The device also comprises at least one group of back washing pipes connected with the liquid back washing ports, and back washing valves 9 are arranged on the back washing pipes.
The device to be backwashed is a filtering component 8, the backwashing pipe is connected with a clear liquid outlet of the filtering component 8, and the clear liquid outlet of the filtering component 8 is also connected with a clear liquid outlet valve 10.
When the back washing pipes are two or more groups, the back washing pipes are connected in parallel.
As shown in fig. 1, the utility model discloses gasbag formula back flush unit, including gasbag recoil ware, gasbag recoil ware includes the gasbag body 1, sets up in the inside elasticity spacer 2 that is two upper and lower spaces with gasbag body 1 inside isolated of gasbag body 1, and the inside wherein upper space of gasbag body 1 is equipped with the air supply mouth that communicates air supply 7, and the lower part space is equipped with the liquid back flush mouth that the back flush unit was treated in the intercommunication. The upper space inside the air bag body 1 is also provided with an exhaust port, and the exhaust port is provided with an exhaust valve 3. The exhaust valve 3 is connected with a silencer 4. The air bag body 1 is a sphere or a cylinder. The elastic spacer 2 is a rubber sheet or a metal corrugated sheet. The gas supply device also comprises an inert gas source connected with the gas supply port, an air inlet valve 5 connected between the gas supply port and the inert gas source, and a pressure regulating valve 6. The device also comprises at least one group of back washing pipes connected with the liquid back washing ports, and back washing valves 9 are arranged on the back washing pipes. The device to be backwashed is a filtering component 8, the backwashing pipe is connected with a clear liquid outlet of the filtering component 8, and the clear liquid outlet of the filtering component 8 is also connected with a clear liquid outlet valve 10. When the back washing pipes are two or more groups, the back washing pipes are connected in parallel.
In the present embodiment, three sets of back-flushing pipes are provided, each set is provided with a back-flushing valve 9, each set of back-flushing pipes is respectively communicated with a filtering component 8, wherein the air inlet valve 5, the air outlet valve 3, the back-flushing valve 9, and the clear liquid outlet valve 10 can be one of an electromagnetic valve, an electrically operated valve, a pneumatic valve, and a hydraulic control valve. Wherein the filtering component 8 and the back washing valve 9 and the clear liquid outlet valve 10 which are matched with the filtering component can be a group or a plurality of groups, and the groups are in parallel relation. The gas supply 7 may be compressed air, nitrogen, or other inert gas.
The utility model discloses at the during operation, at first open admission valve 5 for 7 gaseous upper portion spaces that get into the gasbag body 1 in air supply, the upper portion space is full of gaseous back inflation and makes elasticity spacer 2 produce elastic deformation and compress the lower part space from this, later open discharge valve 3, make after the gas release and flow back to 1 lower part space of gasbag body the liquid in the filter assembly who treats washing, later open admission valve 5 again, make the liquid press toward filter assembly 8, so reciprocal realization is to filter assembly 8's washing.
The utility model can realize two working modes, one is that the air inlet valve 5 is firstly opened to close the exhaust valve 3 for air storage and pressure build-up, then the filter component 8 is backwashed, then the exhaust valve 3 is opened to exhaust, and then the air inlet valve 5 is opened again for pressure build-up; the second middle working mode is that the pressure is not increased at ordinary times, the exhaust valve 3 is closed during recoil, then the air inlet valve 5 is opened for air inlet, the recoil is carried out while air inlet is carried out until the elastic diaphragm 2 reaches the maximum stroke, then the backwash valve 9 and the air inlet valve 5 are closed, and then the exhaust valve 3 is opened for exhaust. The air inlet valve 5, the air outlet valve 3, the back flush valve 9 and the clear liquid outlet valve 10 can be interlocked and controlled by an external PLC system.
The contents of the present invention have been explained above. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Based on the above-mentioned contents of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.
Claims (9)
1. Gasbag formula back flush unit, its characterized in that, including gasbag recoil ware, gasbag recoil ware includes the gasbag body (1), sets up in gasbag body (1) inside with gasbag body (1) inside isolated elasticity spacer (2) for two spaces, and one of them space of gasbag body (1) inside is equipped with the air supply mouth of intercommunication air supply source (7), and another one space is equipped with the liquid back flush mouth of intercommunication back flush unit of treating, one of them space of gasbag body (1) inside still is equipped with closeable formula gas vent.
2. An air bag type backwashing device according to claim 1, wherein an exhaust valve (3) is provided on the exhaust port.
3. Airbag type backwashing device according to claim 1, wherein a muffler (4) is connected to the exhaust port.
4. The airbag type backwashing device of claim 1, wherein the airbag body (1) is a sphere or a cylinder.
5. Airbag type backwashing device according to claim 1, wherein the elastic diaphragm (2) is a rubber sheet or a metal corrugated sheet.
6. A bladder-type backwashing device according to claim 1, further comprising an inert gas source connected to the gas supply port, an intake valve (5) connected between the gas supply port and the inert gas source, and a pressure regulating valve (6).
7. A bladder-type backwash assembly as defined in claim 1, further comprising at least one set of backwash pipes connected to the liquid backwash port, said backwash pipes being provided with backwash valves (9).
8. Air bag type backwashing device according to claim 7, wherein the device to be backwashed is a filter unit (8), the backwashing pipe is connected with a clear liquid outlet of the filter unit (8), and the clear liquid outlet of the filter unit (8) is further connected with a clear liquid outlet valve (10).
9. The airbag type backwashing device of claim 7, wherein when two or more sets of backwashing pipes are provided, the backwashing pipes are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117096.0U CN212369719U (en) | 2019-11-30 | 2019-11-30 | Air bag type backwashing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117096.0U CN212369719U (en) | 2019-11-30 | 2019-11-30 | Air bag type backwashing device |
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| Publication Number | Publication Date |
|---|---|
| CN212369719U true CN212369719U (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922117096.0U Active CN212369719U (en) | 2019-11-30 | 2019-11-30 | Air bag type backwashing device |
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| CN (1) | CN212369719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114735787A (en) * | 2022-03-01 | 2022-07-12 | 中国电建集团市政规划设计研究院有限公司 | Slag removal oil separation tank |
-
2019
- 2019-11-30 CN CN201922117096.0U patent/CN212369719U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114735787A (en) * | 2022-03-01 | 2022-07-12 | 中国电建集团市政规划设计研究院有限公司 | Slag removal oil separation tank |
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