CN211885692U - Automatic liquid discharge device of vacuum rotary disc filter - Google Patents
Automatic liquid discharge device of vacuum rotary disc filter Download PDFInfo
- Publication number
- CN211885692U CN211885692U CN201921827629.8U CN201921827629U CN211885692U CN 211885692 U CN211885692 U CN 211885692U CN 201921827629 U CN201921827629 U CN 201921827629U CN 211885692 U CN211885692 U CN 211885692U
- Authority
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- China
- Prior art keywords
- cabin
- vacuum rotary
- liquid level
- rotary disc
- lower cabin
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000005192 partition Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 239000000706 filtrate Substances 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 2
- 108010066278 cabin-4 Proteins 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses an automatic drainage device of a vacuum rotary disc filter, which comprises a drainage tank, wherein the drainage tank is divided into an upper cabin and a lower cabin by a partition plate, the upper cabin is connected with the vacuum rotary disc filter, the upper cabin is connected with a vacuumizing mechanism, and a division check valve for draining liquid to the lower cabin is arranged at the joint of the side wall of the upper cabin and the partition plate; a first liquid level detection mechanism and a second liquid level detection mechanism for detecting the liquid level are respectively arranged above and below the inner wall of the lower cabin, the upper end of the lower cabin is communicated with the outside through a valve, and a tank bottom check valve for discharging liquid to the outside of the tank is arranged at the bottom of the lower cabin; the outer wall of the tank body is provided with a communicating mechanism for communicating the upper cabin and the lower cabin. The liquid discharge device changes the traditional gravity liquid discharge and filtrate pump liquid discharge modes, does not need to install the vacuum barrel at a high position, can save the filtrate pump and simplifies a filtering system.
Description
Technical Field
The utility model relates to a liquid discharges the field, specifically is an automatic drain of vacuum rotary table filter.
Background
For a long time, when the vacuum rotary disc filter works, the dehydration system finishes solid-liquid separation (filtration) and liquid discharge, the working process of the vacuum rotary disc filter needs three processes of liquid suction, gas-liquid separation and liquid discharge, and the service performance and the reliability of the liquid discharge device have direct influence on the three processes. The existing liquid drainage method adopts two vacuum pumps to carry out the pull saw type liquid suction and liquid drainage, the precise matching is difficult, excessive liquid suction and sand suction are frequently generated in the work, the upper suction pump and the liquid drainage pump are frequently damaged due to the abrasion of impellers, the efficiency of a filter is low, the waste is serious, and the production is greatly influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reduce the fault rate of flowing back pump and last pump, improve filtration efficiency, increase the reliability of equipment and the drain in life-span.
In order to achieve the above purpose, the utility model adopts the following scheme: an automatic liquid discharge device of a vacuum rotary disc filter comprises a liquid discharge tank, wherein the liquid discharge tank is divided into an upper cabin and a lower cabin by a partition plate, the upper cabin is connected with the vacuum rotary disc filter, the upper cabin is connected with a vacuumizing mechanism, and a division check valve for discharging liquid to the lower cabin is arranged at the joint of the side wall of the upper cabin and the partition plate; a first liquid level detection mechanism and a second liquid level detection mechanism for detecting the liquid level are respectively arranged above and below the inner wall of the lower cabin, the upper end of the lower cabin is communicated with the outside through a valve, and a tank bottom check valve for discharging liquid to the outside of the tank is arranged at the bottom of the lower cabin; the outer wall of the tank body is provided with a communicating mechanism for communicating the upper cabin and the lower cabin.
Furthermore, one end of the partition plate is downwards inclined and connected with the dividing check valve, one end of the tank bottom of the lower cabin is downwards inclined and connected with the tank bottom check valve, the flowing speed of liquid to a designated area is accelerated, and the liquid discharging efficiency is improved.
Furthermore, cut apart the check valve outside and be provided with the access hole, the convenient maintenance to cutting apart the check valve.
Further, first liquid level detection mechanism with second liquid level detection mechanism is the tuning fork level gauge, first liquid level detection mechanism sets up and is close to baffle department on cabin inner wall down, second liquid level detection mechanism sets up and is close to tank bottom department on cabin inner wall down, through detecting the liquid height of following last cabin exhaust, the closure of check valve and tank bottoms check valve is cut apart in the control, timely discharge liquid.
Furthermore, the upper end of the lower cabin is communicated with the outside through an air suction valve, and the closing of the partition check valve and the tank bottom check valve is controlled through the negative pressure effect generated by the communication of the air suction valve and the outside.
Furthermore, the communicating mechanism of the upper cabin and the lower cabin comprises a communicating pipeline and an upper communicating valve and a lower communicating valve which are arranged in the communicating pipeline, and gas interception is controlled.
The utility model has the advantages that: the drainage device changes the traditional gravity drainage and filtrate pump drainage modes, detects the liquid level height through the tuning fork liquid level meter, and automatically and timely discharges liquid under the negative pressure action of the outside air through the arranged division check valve and the tank bottom check valve, so that the original filtering system is simplified, and the efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1.
Labeled as: 1. liquid discharge tank, 2, filtrate pipeline, 3, upper cabin, 4, lower cabin, 5, split check valve, 6, access hole, 7, liquid discharge pipeline, 8, tank bottom check valve, 9, second tuning fork liquid level meter, 10, first tuning fork liquid level meter, 11, vacuum pump, 12, vacuum pipeline, 13, upper and lower communicating valve, 14, air suction valve, 15 and partition plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-2, the embodiment provides an automatic liquid drainage device of a vacuum rotary disc filter, which comprises a liquid drainage tank 1, wherein the liquid drainage tank 1 is divided into an upper cabin 3 and a lower cabin 4 by a partition plate 15, the upper cabin 3 is connected with the vacuum rotary disc filter through a filtrate pipeline 2, the top of the upper cabin 3 is connected with a vacuumizing mechanism through a vacuum pipeline 12, the vacuumizing mechanism is a vacuum pump 11, a partition check valve 5 for draining liquid to the lower cabin 4 is arranged at the joint of the side wall of the upper cabin 3 and the partition plate, and an overhaul port 6 is arranged on the outer side of the partition check valve; a first tuning fork liquid level meter 10 and a second tuning fork liquid level meter 9 which are used for detecting the liquid level are respectively arranged above the inner wall of the lower cabin 4 and close to the partition plate and below the inner wall of the lower cabin 4 and close to the bottom of the tank, the upper end of the lower cabin 4 is communicated with the outside through an air suction valve 14, and the bottom of the lower cabin 4 is provided with a tank bottom check valve 8 for discharging liquid to the outside of the tank; an upper communicating valve 13 and a lower communicating valve 13 which are communicated with the upper cabin 3 and the lower cabin 4 are arranged on the outer wall of the tank body, one end of the partition plate 15 inclines downwards and is connected with the partition check valve 5, and one end of the tank bottom of the lower cabin 4 inclines downwards and is connected with the tank bottom check valve 8.
When the device is operated, the vacuum pump 11 is started to work, the upper and lower communicating valves 13 are in an open state, the air suction valve 14 is closed, the partition check valve 5 is opened, the tank bottom check valve 8 is closed, the lower chamber 4 of the liquid discharge tank starts to accumulate water, when the water level rises to the first tuning fork liquid level meter 10, the upper and lower communicating valves 13 are closed, the air suction valve 14 is opened, due to the negative pressure effect, the partition check valve 5 is closed, the tank bottom check valve 8 is opened, the lower chamber 4 discharges liquid to the liquid discharge pipeline 7, when the water level falls to the second tuning fork liquid level meter 9, the upper and lower communicating valves 13 are opened, the air suction valve 14 is closed, the partition check valve 5 is opened, the tank bottom check valve 8 is closed.
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 invention.
Claims (8)
1. The utility model provides an automatic drain of vacuum rotary table filter, includes the flowing back jar, the flowing back jar divide into cabin and lower cabin through the baffle, it is connected its characterized in that with the vacuum rotary table filter to go up the cabin: the upper cabin is connected with a vacuumizing mechanism, and a partition check valve for discharging liquid to the lower cabin is arranged at the joint of the side wall of the upper cabin and the partition plate; a first liquid level detection mechanism and a second liquid level detection mechanism for detecting the liquid level are respectively arranged above and below the inner wall of the lower cabin, the upper end of the lower cabin is communicated with the outside through a valve, and a tank bottom check valve for discharging liquid to the outside of the tank is arranged at the bottom of the lower cabin; and a communicating mechanism for communicating the upper cabin and the lower cabin is arranged on the outer wall of the liquid discharge tank.
2. The automatic drain device of a vacuum rotary disc filter as claimed in claim 1, wherein: one end of the clapboard inclines downwards and is connected with the dividing check valve.
3. The automatic drain device of a vacuum rotary disc filter as claimed in claim 1, wherein: one end of the tank bottom of the lower cabin is downwards inclined and connected with a tank bottom check valve which is downwards inclined.
4. The automatic drain device of a vacuum rotary disc filter as claimed in claim 1, wherein: an access hole is formed in the outer side of the partition check valve.
5. The automatic drain device of a vacuum rotary disc filter as claimed in claim 1, wherein: the first liquid level detection mechanism and the second liquid level detection mechanism are tuning fork liquid level meters.
6. The automatic drain device of a vacuum rotary disc filter as claimed in claim 5, wherein: the first liquid level detection mechanism is arranged on the inner wall of the lower cabin and close to the partition plate, and the second liquid level detection mechanism is arranged on the inner wall of the lower cabin and close to the tank bottom.
7. The automatic drain device of a vacuum rotary disc filter as claimed in claim 1, wherein: the upper end of the lower cabin is communicated with the outside through an air suction valve.
8. The automatic drain device of a vacuum rotary disc filter as claimed in claim 1, wherein: the communicating mechanism of the upper cabin and the lower cabin comprises a communicating pipeline and an upper communicating valve and a lower communicating valve which are arranged in the communicating pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921827629.8U CN211885692U (en) | 2019-10-28 | 2019-10-28 | Automatic liquid discharge device of vacuum rotary disc filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921827629.8U CN211885692U (en) | 2019-10-28 | 2019-10-28 | Automatic liquid discharge device of vacuum rotary disc filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211885692U true CN211885692U (en) | 2020-11-10 |
Family
ID=73284999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921827629.8U Expired - Fee Related CN211885692U (en) | 2019-10-28 | 2019-10-28 | Automatic liquid discharge device of vacuum rotary disc filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211885692U (en) |
-
2019
- 2019-10-28 CN CN201921827629.8U patent/CN211885692U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 |