CN215427614U - Alkali lye self-cleaning filtration system - Google Patents
Alkali lye self-cleaning filtration system Download PDFInfo
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- CN215427614U CN215427614U CN202023298281.3U CN202023298281U CN215427614U CN 215427614 U CN215427614 U CN 215427614U CN 202023298281 U CN202023298281 U CN 202023298281U CN 215427614 U CN215427614 U CN 215427614U
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Abstract
The utility model relates to the technical field of alkali production equipment and processes, and provides an automatic cleaning and filtering system for alkali liquor. The device comprises a filter, a liquid inlet pipe branch pipe, a liquid outlet pipe branch pipe, a liquid inlet valve, a liquid outlet valve, a backwashing liquid inlet branch pipe, a backwashing compressed air inlet valve, a backwashing compressed air inlet branch pipe, a backwashing sewage branch pipe, a sewage valve and a control box; the filter comprises a shell and a plurality of filter elements, wherein the shell is a cylindrical closed hollow body, the lower part of the shell is provided with an alkali liquor inlet, the upper part of the shell is provided with an alkali liquor outlet, a partition plate is arranged in the shell and divides an inner cavity of the shell into an upper inner cavity and a lower inner cavity, the alkali liquor inlet is communicated with the lower inner cavity, the alkali liquor outlet is communicated with the upper inner cavity, the lower end of each filter element is sealed, the upper end of each filter element is provided with an opening, the opening of each filter element is communicated with the upper inner cavity after the filter element penetrates through the partition plate, and the bottom of the shell is provided with a sewage discharge outlet; the whole system adopts modularization, can realize automatic switching between working and backwashing states, and does not need manual intervention.
Description
Technical Field
The utility model relates to the technical field of alkali production equipment and processes, in particular to an automatic cleaning and filtering system for alkali liquor.
Background
A filter is a commonly used filtering device. The bag filter is commonly used in alkalization workers, but is easy to block in the production process, is not easy to clean on line, is troublesome to replace and influences the production.
Disclosure of Invention
The utility model aims to provide an automatic alkali liquor cleaning and filtering system, which can effectively reduce suspended matters, turbidity and TOC in alkali brine after the alkali brine is treated by a filter, and improve the product quality.
The utility model also provides an automatic alkali liquor cleaning and filtering system which comprises a filter, a liquid inlet pipe branch pipe, a liquid outlet pipe branch pipe, a liquid inlet valve, a liquid outlet valve, a backwashing liquid inlet branch pipe, a backwashing compressed air inlet valve, a backwashing compressed air inlet branch pipe, a backwashing sewage branch pipe, a sewage valve and a control box; the filter comprises a shell and a plurality of filter elements, wherein the shell is a cylindrical closed hollow body, the lower part of the shell is provided with an alkali liquor inlet, the upper part of the shell is provided with an alkali liquor outlet, a partition plate is arranged in the shell and divides an inner cavity of the shell into an upper inner cavity and a lower inner cavity, the alkali liquor inlet is communicated with the lower inner cavity, the alkali liquor outlet is communicated with the upper inner cavity, the lower end of each filter element is sealed, the upper end of each filter element is provided with an opening, the opening of each filter element is communicated with the upper inner cavity after the filter element penetrates through the partition plate, and the bottom of the shell is provided with a sewage discharge outlet; the alkali liquor inlet is connected with the liquid inlet pipe branch pipe, and the alkali liquor outlet is connected with the liquid outlet pipe branch pipe; a liquid inlet valve is arranged on the liquid inlet pipe branch pipe; a liquid outlet valve is arranged on the liquid outlet pipe branch pipe; a backwashing compressed air inlet branch pipe and a backwashing liquid inlet branch pipe are sequentially arranged in front of the liquid outlet valve, a backwashing liquid inlet valve is arranged on the backwashing liquid inlet branch pipe, and a backwashing compressed air inlet valve is arranged on the backwashing compressed air inlet branch pipe; and a backwashing sewage draining branch pipe is arranged at the bottom of the filter, and a sewage draining valve is arranged on the backwashing sewage draining branch pipe.
Further, pressure difference transmitters are arranged on the liquid inlet pipe branch pipe and the liquid outlet pipe branch pipe; all the control valves and the differential pressure transmitter are controlled by the control box in a linkage manner.
Further, the filter element is sealed with the partition plate and fixed with the partition plate.
After the utility model is used, after the alkali brine is treated by the filter, the suspended matters, turbidity and TOC in the alkali brine can be effectively reduced, and the product quality is improved; the whole system adopts modularization, can realize automatic switching between working and backwashing states, and does not need manual intervention. The filter element in the filter shell can be replaced according to the change of the characteristics of the alkali liquor materials.
Drawings
FIG. 1 is a sectional view of a filter in an automatic washing and filtering system for alkali lye according to the present invention;
FIG. 2 is a schematic diagram of an automatic cleaning and filtering system for lye of the present invention.
Detailed Description
The technical scheme of the utility model is clearly and completely described below by combining the drawings and the specific embodiment. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model.
Referring to fig. 1 and 2, the present invention further provides an automatic cleaning and filtering system for alkali lye, which comprises: the device comprises a filter 111, a liquid inlet pipe branch pipe 54, a liquid outlet pipe branch pipe 55, a liquid inlet valve 10, a liquid outlet valve 13, a backwashing liquid inlet valve 11, a backwashing liquid inlet branch pipe 51, a backwashing compressed air inlet valve 12, a backwashing compressed air inlet branch pipe 52, a backwashing sewage branch pipe 53, a sewage valve 9 and a control box; the filter 111 comprises a shell 4 and a plurality of filter elements 5, the shell 4 is a cylindrical closed hollow body, the lower part of the shell 4 is provided with an alkali liquor inlet 1, the upper part of the shell 4 is provided with an alkali liquor outlet 2, a partition plate 8 is arranged inside the shell 4, the partition plate 8 divides an inner cavity of the shell 4 into an upper inner cavity 7 and a lower inner cavity 6, the alkali liquor inlet 1 is communicated with the lower inner cavity 6, the alkali liquor outlet 2 is communicated with the upper inner cavity 7, the lower end of the filter element 5 is sealed, the upper end of the filter element 5 is provided with an opening, the opening of the filter element 5 is communicated with the upper inner cavity 7 after penetrating through the partition plate 8, and the bottom of the shell 4 is provided with a sewage outlet 3; the alkali liquor inlet 1 is connected with the liquid inlet pipe branch pipe 54, and the alkali liquor outlet 2 is connected with the liquid outlet pipe branch pipe 55; the liquid inlet pipe branch pipe 54 is provided with a liquid inlet valve 10; the liquid outlet pipe branch pipe 55 is provided with a liquid outlet valve 13; a backwashing compressed air inlet branch pipe 52 and a backwashing liquid inlet branch pipe 51 are sequentially arranged in front of the liquid outlet valve 13, a backwashing liquid inlet valve 11 is arranged on the backwashing liquid inlet branch pipe 51, and a backwashing compressed air inlet valve 12 is arranged on the backwashing compressed air inlet branch pipe 52; a backwashing sewage branch pipe 53 is arranged at the bottom of the filter 111, and a sewage valve 9 is arranged on the backwashing sewage branch pipe 53; differential pressure transmitters 56 are arranged on the liquid inlet pipe branch pipe 54 and the liquid outlet pipe branch pipe 55; all the control valves and the differential pressure transmitter 56 are controlled by the control box in a linkage way; all the control valves include: a liquid inlet valve 10, a liquid outlet valve 13, a backwashing liquid inlet valve 11, a backwashing compressed air inlet valve 12 and a blow-down valve 9; the filter element 5 and the partition plate 8 are sealed and fixed together with the partition plate 8, and can be fastened and connected by nuts.
When the filter element is used, alkali liquor flows into the lower inner cavity 6 from the alkali liquor inlet 1 through the liquid inlet valve 10, then the outer wall of the filter element 5 uniformly flows into the filter element 5, then the filtered water flows into the upper inner cavity 7 from the inner side wall of the filter element 5, and finally the filtered water flows out from the alkali liquor outlet 2 through the liquid outlet valve 13; when the pressure difference between the alkali liquor inlet 1 and the alkali liquor outlet 2 reaches a specified value, the liquid inlet valve 10 and the liquid outlet valve 13 are closed, the backwashing liquid inlet valve 11, the backwashing compressed air inlet valve 12 and the blow-down valve 9 are opened, compressed air and cleaning liquid enter through the inside of the filter element 5 and are discharged from the outer surface of the filter element 5, dirt on the surface of the filter element 5 is cleaned, and then the dirt is discharged through the blow-down valve 9; after cleaning is finished, the backwashing liquid inlet valve 11, the backwashing compressed air inlet valve 12 and the blowdown valve 9 are automatically closed, and the liquid inlet valve 10 and the liquid outlet valve 13 are automatically opened for filtering operation; after the utility model is used, after the alkali brine is processed by the filter 111, the suspended matters, turbidity and TOC in the alkali brine can be effectively reduced, and the product quality is improved; the whole system adopts modularization, can realize automatic switching between working and backwashing states, and does not need manual intervention. The filter element 5 in the shell of the filter 111 can be replaced according to the change of the characteristics of the alkali liquor materials.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (3)
1. An alkali lye self-cleaning filtration system, characterized by: the device comprises a filter, a liquid inlet pipe branch pipe, a liquid outlet pipe branch pipe, a liquid inlet valve, a liquid outlet valve, a backwashing liquid inlet branch pipe, a backwashing compressed air inlet valve, a backwashing compressed air inlet branch pipe, a backwashing sewage branch pipe, a sewage valve and a control box; the filter comprises a shell and a plurality of filter elements, wherein the shell is a cylindrical closed hollow body, the lower part of the shell is provided with an alkali liquor inlet, the upper part of the shell is provided with an alkali liquor outlet, a partition plate is arranged in the shell and divides an inner cavity of the shell into an upper inner cavity and a lower inner cavity, the alkali liquor inlet is communicated with the lower inner cavity, the alkali liquor outlet is communicated with the upper inner cavity, the lower end of each filter element is sealed, the upper end of each filter element is provided with an opening, the opening of each filter element is communicated with the upper inner cavity after the filter element penetrates through the partition plate, and the bottom of the shell is provided with a sewage discharge outlet; the alkali liquor inlet is connected with the liquid inlet pipe branch pipe, and the alkali liquor outlet is connected with the liquid outlet pipe branch pipe; a liquid inlet valve is arranged on the liquid inlet pipe branch pipe; a liquid outlet valve is arranged on the liquid outlet pipe branch pipe; a backwashing compressed air inlet branch pipe and a backwashing liquid inlet branch pipe are sequentially arranged in front of the liquid outlet valve, a backwashing liquid inlet valve is arranged on the backwashing liquid inlet branch pipe, and a backwashing compressed air inlet valve is arranged on the backwashing compressed air inlet branch pipe; and a backwashing sewage draining branch pipe is arranged at the bottom of the filter, and a sewage draining valve is arranged on the backwashing sewage draining branch pipe.
2. The automatic cleaning and filtering system for alkali lye as claimed in claim 1 wherein: differential pressure transmitters are arranged on the liquid inlet pipe branch pipe and the liquid outlet pipe branch pipe; all the control valves and the differential pressure transmitter are controlled by the control box in a linkage manner.
3. The automatic cleaning and filtering system for alkali lye as claimed in claim 1 wherein: the filter element is sealed with the partition plate and fixed with the partition plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202023298281.3U CN215427614U (en) | 2020-12-31 | 2020-12-31 | Alkali lye self-cleaning filtration system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202023298281.3U CN215427614U (en) | 2020-12-31 | 2020-12-31 | Alkali lye self-cleaning filtration system |
Publications (1)
Publication Number | Publication Date |
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CN215427614U true CN215427614U (en) | 2022-01-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202023298281.3U Active CN215427614U (en) | 2020-12-31 | 2020-12-31 | Alkali lye self-cleaning filtration system |
Country Status (1)
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CN (1) | CN215427614U (en) |
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2020
- 2020-12-31 CN CN202023298281.3U patent/CN215427614U/en active Active
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