CN216023548U - Liquid drainage and air exchange device of disc type filter - Google Patents
Liquid drainage and air exchange device of disc type filter Download PDFInfo
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- CN216023548U CN216023548U CN202122362514.XU CN202122362514U CN216023548U CN 216023548 U CN216023548 U CN 216023548U CN 202122362514 U CN202122362514 U CN 202122362514U CN 216023548 U CN216023548 U CN 216023548U
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Abstract
The utility model provides a liquid discharge and air change device of a disc type filter, which is used for replacing gas in the disc type filter; comprises a filter body, a gas-liquid separation device, a vacuum pump, a wind bag and related connecting pipelines; the filter body is connected with the gas-liquid separation device 2 through a gas-liquid conveying pipe, and conveys a gas-liquid mixture to the gas-liquid separation device; the gas-liquid separation device is connected with the vacuum pump through an exhaust pipe, and the vacuum pump is used for pumping gas out of the gas-liquid separation device through the exhaust pipe; the air bag is connected with the vacuum pump through an air conveying pipe 7, and the air conveying pipe conveys the dry gas which discharges water vapor to the air bag; the air bag is connected with the filter main body through an air pipe, and dry gas is conveyed into the filter main body for discharging; the utility model has the beneficial effects that: the pressure difference is generated by the water pump to discharge liquid, the power of the water pump is sufficient, the water absorbing and discharging capacity is stronger, the size is small, the installation and the movement are convenient, the requirement on the site is not high, and the applicability is strong.
Description
Technical Field
The utility model mainly relates to the technical field of vacuum filtering equipment, in particular to a liquid drainage and air exchange device of a disc type filter.
Background
A disk vacuum filter is a vacuum filter which is formed by mounting a plurality of filter disks on a horizontal hollow shaft and is called a disk vacuum filter. The filtration power is also from the pressure difference caused by the vacuum. Each disc is divided into a plurality of small fan-shaped filter blades, each fan-shaped filter blade forms a filter chamber, and the filter chamber is suitable for filtering suspension liquid with low density and difficult sedimentation.
The disc vacuum filter in the prior art adopts a high-difference liquid discharging mode, utilizes pressure difference to discharge liquid, but has high requirements on fields, overlarge volume and inconvenient assembly, disassembly and movement.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a liquid drainage and air exchange device of a disc type filter, which is used for replacing gas in the disc type filter.
The utility model provides a liquid drainage and air change device of a disc type filter, which comprises a filter main body 1, a gas-liquid separation device 2, a vacuum pump 3, an air bag 4 and relevant connecting pipelines;
the filter body 1 is connected with the gas-liquid separation device 2 through a gas-liquid conveying pipe 5 and conveys a gas-liquid mixture to the gas-liquid separation device 2; the gas-liquid separation device 2 is connected with the vacuum pump 3 through the exhaust pipe 6, and the vacuum pump 3 pumps gas out of the gas-liquid separation device 2 through the exhaust pipe 6; the air bag 4 is connected with the vacuum pump 3 through an air conveying pipe 7, and the air conveying pipe 7 conveys the dry gas which discharges water vapor to the air bag 4; the air bag 4 is connected with the filter body 1 through an air pipe 8, and conveys dry gas into the filter body for discharging.
Preferably, the filter body 1 further comprises a left distribution head 11 and a right distribution head 11; the gas-liquid delivery pipe 5 is connected with the left and right distribution heads 11.
Preferably, the gas-liquid separation device 2 comprises a gas storage tank 21 and a liquid storage tank 22; the air storage tank 21 is arranged at the upper part of the liquid storage tank 22; the top of the air storage tank 21 is connected with a vacuum pump 3 through an air exhaust pipe 5; an automatic drain valve 23 is also arranged at the bottom of the liquid storage tank 22.
Preferably, the vacuum pump 3 is a water ring vacuum pump.
Preferably, a water drain valve 41 is further arranged at the bottom of the wind bag 4.
Preferably, one side of the air pipe 8 close to the filter body 1 is provided with a back-blowing valve 81.
The utility model has the beneficial effects that: the pressure difference is generated by the water pump to discharge liquid, the power of the water pump is sufficient, the water absorbing and discharging capacity is stronger, the size is small, the installation and the movement are convenient, the requirement on the site is not high, and the applicability is strong.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure, the position of the upper end of the main shaft,
1. a filter body; 2. a gas-liquid separation device 21, a gas storage tank 22, a liquid storage tank 23 and an automatic drain valve; 3. a vacuum pump; 4. wind bag, 41, water drain valve; 5. a gas-liquid delivery pipe; 6. an air exhaust pipe; 7. a gas delivery pipe; 8. air pipe 81 and back-blowing valve.
Detailed Description
The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way.
The utility model provides a liquid drainage and air change device of a disc type filter, which comprises a filter main body 1, a gas-liquid separation device 2, a vacuum pump 3, an air bag 4 and relevant connecting pipelines;
the filter body 1 is connected with the gas-liquid separation device 2 through a gas-liquid conveying pipe 5 and conveys a gas-liquid mixture to the gas-liquid separation device 2; the gas-liquid separation device 2 is connected with the vacuum pump 3 through the exhaust pipe 6, and the vacuum pump 3 pumps gas out of the gas-liquid separation device 2 through the exhaust pipe 6; the air bag 4 is connected with the vacuum pump 3 through an air conveying pipe 7, and the air conveying pipe 7 conveys the dry gas which discharges water vapor to the air bag 4; the air bag 4 is connected with the filter body 1 through an air pipe 8, and conveys dry gas into the filter body for discharging.
In the preferred embodiment, the filter body 1 further comprises a left distribution head 11 and a right distribution head 11; the gas-liquid delivery pipe 5 is connected with the left and right distribution heads 11.
With the structure, the left and right distribution heads 11 are internally provided with the vacuum negative pressure cavity and the conventional pressure cavity, the vacuum negative pressure cavity is fixedly connected with the gas-liquid conveying pipe 5, and the vacuum pump 3 generates suction force to suck water away and generate a vacuum negative pressure area.
Preferably, in this embodiment, the gas-liquid separation device 2 includes a gas storage tank 21 and a liquid storage tank 22; the air storage tank 21 is arranged at the upper part of the liquid storage tank 22; the top of the air storage tank 21 is connected with a vacuum pump 3 through an air exhaust pipe 5; an automatic drain valve 23 is also arranged at the bottom of the liquid storage tank 22.
With the above structure, the gas-liquid delivery pipe 5 sucks the water containing gas into the gas-liquid separation device 2 for gas-liquid separation, the gas enters the gas storage tank 21 and is pumped out through the gas pumping pipe 6, and the liquid enters the liquid storage tank 22 and is discharged through the drain valve 23.
In this embodiment, the vacuum pump 3 is preferably a water ring vacuum pump.
In this embodiment, preferably, a water drain valve 41 is further disposed at the bottom of the wind bag 4.
Set up above-mentioned structure, vacuum pump 3 inhales the back, contains a large amount of steam in the tail gas of production, through 7 conveying air inlet bags 4 of gas-supply pipe, with steam separation, water is discharged in the bottom, and dry gas carries into in the pipeline of filter main part 1 through tuber pipe 8.
In the preferred embodiment, a back-blowing valve 81 is arranged on one side of the air pipe 8 close to the filter body 1.
By adopting the structure, the gas output by the air bag 4 generates reverse discharging wind power required during discharging through the back blowing valve 81, thereby saving the cost for additionally purchasing a fan and saving the cost.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. A liquid discharge and air exchange device of a disc type filter comprises a filter main body (1), a gas-liquid separation device (2), a vacuum pump (3), an air bag (4) and related connecting pipelines;
it is characterized in that the preparation method is characterized in that,
the filter body (1) is connected with the gas-liquid separation device (2) through a gas-liquid conveying pipe (5) and conveys a gas-liquid mixture to the gas-liquid separation device (2); the gas-liquid separation device (2) is connected with the vacuum pump (3) through the exhaust pipe (6), and the vacuum pump (3) pumps gas out of the gas-liquid separation device (2) through the exhaust pipe (6); the air bag (4) is connected with the vacuum pump (3) through an air conveying pipe (7), and the air conveying pipe (7) conveys the dry gas which discharges water vapor to the air bag (4); the air bag (4) is connected with the filter main body (1) through an air pipe (8), and dry air is conveyed into the filter main body for discharging.
2. The disc filter drain breather of claim 1, wherein: the filter body (1) also comprises a left distribution head and a right distribution head (11); the gas-liquid conveying pipe (5) is connected with the left and right distribution heads (11).
3. Drain liquid air exchange device of a disc filter according to claim 2, characterized in that: the gas-liquid separation device (2) comprises a gas storage tank (21) and a liquid storage tank (22); the air storage tank (21) is arranged at the upper part of the liquid storage tank (22); the top of the air storage tank (21) is connected with a vacuum pump (3) through an air exhaust pipe (6); the bottom of the liquid storage tank (22) is also provided with an automatic drain valve (23).
4. Drain liquid air exchange device of a disc filter according to claim 3, characterized in that: the vacuum pump (3) is a water ring vacuum pump.
5. The disc filter drain breather of claim 4, wherein:
the bottom of the wind bag (4) is also provided with a water drain valve (41).
6. Drain liquid air exchange device of a disc filter according to claim 5, characterized in that:
and a back-blowing valve (81) is arranged on one side of the air pipe (8) close to the filter body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122362514.XU CN216023548U (en) | 2021-09-28 | 2021-09-28 | Liquid drainage and air exchange device of disc type filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122362514.XU CN216023548U (en) | 2021-09-28 | 2021-09-28 | Liquid drainage and air exchange device of disc type filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216023548U true CN216023548U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122362514.XU Active CN216023548U (en) | 2021-09-28 | 2021-09-28 | Liquid drainage and air exchange device of disc type filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216023548U (en) |
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2021
- 2021-09-28 CN CN202122362514.XU patent/CN216023548U/en active Active
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