CN210278548U - Be used for cellulose ether reactor evacuation to prevent cotton dust filter equipment - Google Patents
Be used for cellulose ether reactor evacuation to prevent cotton dust filter equipment Download PDFInfo
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- CN210278548U CN210278548U CN201921185763.2U CN201921185763U CN210278548U CN 210278548 U CN210278548 U CN 210278548U CN 201921185763 U CN201921185763 U CN 201921185763U CN 210278548 U CN210278548 U CN 210278548U
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- filter
- cellulose ether
- ether reactor
- cotton dust
- vacuum pump
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Abstract
The utility model relates to a be used for cellulose ether reactor evacuation to prevent cotton dust filter equipment belongs to the chemical production device field. Including the filter, the top is equipped with the filter screen in the filter, and liquid ring vacuum pump is connected on the filter top, and cellulose ether reactor is connected to filter bottom one side, and nitrogen gas branch road is connected on the filter top, and the bleeder is connected to the filter bottom. The utility model discloses the cotton dust who takes out from the cellulose ether reactor when having avoided the evacuation gets into the vacuum pump, influences the evacuation effect, has improved vacuum pump life, has reduced cost of maintenance.
Description
Technical Field
The utility model relates to a be used for cellulose ether reactor evacuation to prevent cotton dust filter equipment belongs to the chemical production device field.
Background
The cellulose ether reactor needs to be vacuumized during the production process, and a liquid ring vacuum pump is generally used for vacuum replacement. The liquid ring vacuum pump is used for vacuumizing the cellulose ether reactor, is easy to damage and obviously shortens the service life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be used for cellulose ether reactor evacuation to prevent cotton dust filter equipment, the cotton dust that takes out from the cellulose ether reactor gets into the vacuum pump when having avoided the evacuation, influences the evacuation effect, has improved vacuum pump life, has reduced cost of maintenance.
Be used for cellulose ether reactor evacuation cotton dust prevention filter equipment, including the filter, the top is equipped with the filter screen in the filter, and liquid ring vacuum pump is connected on the filter top, and cellulose ether reactor is connected to filter bottom one side, and the nitrogen gas branch road is connected on the filter top, and the bleeder valve is connected to the filter bottom.
The filter screens are arranged in at least 2 groups side by side.
The nitrogen branch comprises a nitrogen pressure tank which is communicated with the top end of the filter through a pipeline, and a nitrogen control valve is arranged on the pipeline.
The nitrogen branch comprises a nitrogen pipeline which is communicated with the top end of the filter through a pipeline, and a nitrogen control valve is arranged on the pipeline.
Liquid ring vacuum pump intercommunication cellulose ether reactor to cellulose ether reactor evacuation, keeps the interior negative pressure of cellulose ether reactor, has the cotton dust in the cellulose ether reactor, and under the negative pressure, the cotton dust has influenced the vacuum effect in entering into liquid ring vacuum pump, leads to the easy damage of liquid ring vacuum pump.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up the filter between liquid ring vacuum pump and cellulose ether reactor, avoided the cotton dust to enter into the liquid ring vacuum pump from the cellulose ether reactor in, avoided the cotton dust to the damage of liquid ring vacuum pump, improved liquid ring vacuum pump operational environment, prolonged liquid ring vacuum pump life, reduce the equipment maintenance expense.
2. Through setting up the nitrogen gas branch road, can clear up the filter very conveniently, keep the good operating condition of filter, can enough realize smoothly that liquid ring vacuum pump is to the evacuation of cellulose ether reactor, can filter the cotton dust again, avoid the cotton dust to enter into liquid ring vacuum pump, avoid the cotton dust to cause the harm to liquid ring vacuum pump, influence vacuum effect.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure: 1. the device comprises a liquid ring vacuum pump 2, a nitrogen branch 3, a nitrogen control valve 4, a filter screen 5, a cellulose ether reactor 6, a filter 7 and a discharge valve.
Arrows A and B in the figure indicate the gas flow direction when the vacuum is drawn;
arrow C indicates the nitrogen flow direction during the nitrogen purge filter.
Detailed Description
The technical solution in the embodiments of the present invention will be further clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention:
as shown in figure 1, be used for cellulose ether reactor evacuation cotton dust prevention filter equipment, including filter 6, the top is equipped with filter screen 4 in the filter 6, and liquid ring vacuum pump 1 is connected on the 6 tops of filter, and cellulose ether reactor 5 is connected to 6 bottom one sides of filter, and nitrogen gas branch road 2 is connected on 6 tops of filter, and bleeder 7 is connected to 6 bottoms of filter.
The sieves 4 are arranged side by side in at least 2 groups.
The nitrogen branch 2 comprises a nitrogen pressure tank which is communicated with the top end of the filter 6 through a pipeline, and a nitrogen control valve 3 is arranged on the pipeline. The filter is connected with the cellulose ether reactor 5 through a vacuum-pumping pipeline.
Example 2
The nitrogen branch 2 comprises a nitrogen pipeline which is communicated with the top end of the filter 6 through a pipeline, and a nitrogen control valve 3 is arranged on the pipeline.
Working process or working principle:
during evacuation, liquid ring vacuum pump 1 starts, and liquid ring vacuum pump 1 passes through filter 6 and evacuates cellulose ether reactor 5, and the cotton dust that takes out in cellulose ether reactor 5 gets into filter 6 back, and the cotton dust blocks at filter screen 4 and filters down, and the cotton dust can not enter into liquid ring vacuum pump, has avoided the cotton dust to liquid ring vacuum pump 1's damage, has ensured liquid ring vacuum pump 1's vacuum effect, has prolonged liquid ring vacuum pump 1 life. By adding a buffer filter, cotton dust is prevented from entering the liquid ring vacuum pump 1 when the cellulose ether reactor 5 is evacuated.
When the filter is cleaned, the nitrogen control valve 3 is opened, the nitrogen pressure tank is started, the nitrogen can blow the filter layer, the filter layer is cleaned, cotton dust falls into the bottom of the filter 6, the discharge valve 7 at the bottom of the filter 6 is opened, and the collected cotton dust is discharged and recycled. The cleaned cotton dust is discharged from the discharge valve 7. After the cleaning is completed, the discharge valve 7 is closed, and the nitrogen control valve 3 is closed.
The utility model discloses in to the direction of structure and the description of relative position relation, it is right not to constitute like the description from top to bottom all around the utility model discloses a restriction only is the description convenient.
Claims (4)
1. The utility model provides a be used for cellulose ether reactor evacuation cotton dust prevention filter equipment, its characterized in that, includes filter (6), and the top is equipped with filter screen (4) in filter (6), and liquid ring vacuum pump (1) is connected on filter (6) top, and cellulose ether reactor (5) are connected to filter (6) bottom one side, and nitrogen gas branch road (2) are connected on filter (6) top, and bleeder valve (7) are connected to filter (6) bottom.
2. A cellulose ether reactor evacuation cotton dust prevention filter arrangement as claimed in claim 1, characterized in that the screens (4) are arranged side by side in at least 2 groups.
3. A cellulose ether reactor vacuumizing cotton dust prevention filter device as claimed in claim 1, wherein the nitrogen gas branch (2) comprises a nitrogen gas pressure tank which is communicated with the top end of the filter (6) through a pipeline, and a nitrogen gas control valve (3) is arranged on the pipeline.
4. A cellulose ether reactor vacuumizing cotton dust prevention filter device as claimed in claim 1, wherein the nitrogen gas branch (2) comprises a nitrogen gas pipe which is communicated with the top end of the filter (6) through a pipeline, and a nitrogen gas control valve (3) is arranged on the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921185763.2U CN210278548U (en) | 2019-07-22 | 2019-07-22 | Be used for cellulose ether reactor evacuation to prevent cotton dust filter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921185763.2U CN210278548U (en) | 2019-07-22 | 2019-07-22 | Be used for cellulose ether reactor evacuation to prevent cotton dust filter equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210278548U true CN210278548U (en) | 2020-04-10 |
Family
ID=70104442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921185763.2U Active CN210278548U (en) | 2019-07-22 | 2019-07-22 | Be used for cellulose ether reactor evacuation to prevent cotton dust filter equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210278548U (en) |
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2019
- 2019-07-22 CN CN201921185763.2U patent/CN210278548U/en active Active
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 255300 No. 999, Heda Road, Zhoucun District, Zibo City, Shandong Province Patentee after: Shandong Heda Group Co.,Ltd. Address before: 255300 No. 999, northwest outer ring road, Zhoucun District, Zibo City, Shandong Province Patentee before: SHANDONG HEAD CO.,LTD. |