CN203926015U - A kind of filter for dry screw vacuum pump - Google Patents
A kind of filter for dry screw vacuum pump Download PDFInfo
- Publication number
- CN203926015U CN203926015U CN201420293233.0U CN201420293233U CN203926015U CN 203926015 U CN203926015 U CN 203926015U CN 201420293233 U CN201420293233 U CN 201420293233U CN 203926015 U CN203926015 U CN 203926015U
- Authority
- CN
- China
- Prior art keywords
- filter screen
- housing
- air outlet
- strut
- filter
- Prior art date
- 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
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- Filtering Of Dispersed Particles In Gases (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model relates to a kind of filter for dry screw vacuum pump, comprise housing, the top of housing is provided with the first flange, the first flange is fixedly connected with blind flange by clamping bolt, the top sidewall of housing is provided with suction port, the bottom centre place of housing is provided with air outlet, the bottom outside of housing is provided with sewage draining exit, in housing, the position of corresponding air outlet is provided with connecting plate, the center of connecting plate is fixedly connected with the strut perpendicular to described connecting plate, on strut, cover is equiped with the filter screen that is shaped as circle ring column, the top center place of filter screen is fixedly connected with described strut, the interior ring diameter of filter screen is greater than the internal diameter of described air outlet.Whole apparatus structure is simple, manufactures with easy to use, has solved as entering the gas medium of dry screw vacuum pump and has filtered out solid particle and thick liquid, has prevented from often needing to change because filter screen intensity is fragile.
Description
Technical field
The utility model relates to art of filters, is specifically related to the filter for dry screw vacuum pump.
Background technique
In a lot of fields, all can use dry screw vacuum pump, particularly pharmaceutical industry need to extract a large amount of dust-like materials, some material hardness ratio is larger, if these granule materials enter vacuum pump inner chamber, is easy to cause screw rod coating to damage and material situation such as fouling on screw rod.Although the entrance of dry screw vacuum pump generally installs the filter screen of 40 orders (mesh size is 0.50mm) additional, this strainer filtering precision is not high, and intensity a little less than, so parts of fine granule can enter vacuum pump inner chamber.Because the mean gap between screw rod and screw rod, between screw rod and inner chamber is generally 0.15mm, therefore the granule materials that be less than 0.50mm, is greater than 0.15mm can cause damage to screw rod, when particularly the hardness of granule materials is very large, to screw rod and cavity coating, can cause scuffing.
Model utility content
The purpose of this utility model is to provide a kind of filter for dry screw vacuum pump, solves the problem that filters out solid particle and thick liquid for entering the gas medium of dry screw vacuum pump.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of filter for dry screw vacuum pump, comprise housing, the top of described housing is provided with the first flange, described the first flange is fixedly connected with blind flange by clamping bolt, the top sidewall of described housing is provided with suction port, the bottom centre place of described housing is provided with air outlet, the bottom outside of described housing is provided with sewage draining exit, in described housing, the position of corresponding air outlet is provided with connecting plate, the center of described connecting plate is fixedly connected with the strut perpendicular to described connecting plate, on described strut, cover is equiped with the filter screen that is shaped as circle ring column, the top center place of described filter screen is fixedly connected with described strut, the interior ring diameter of described filter screen is greater than the internal diameter of described air outlet.
Further, described filter screen is in airstrainer, to be provided with the composite filter screen of metal filter screen.
Further, the bottom of described filter screen is equipped with metallic sheath.
Further, described connecting plate and strut are welded to connect.
Further, the end face of described filter screen is provided with the nut being threaded with described strut.
Further, described air outlet and suction port are equipped with the second flange.
Further, the top center place of described blind flange is provided with handle.
The beneficial effects of the utility model are: whole apparatus structure is simple, manufacture with easy to use, have solved as entering the gas medium of dry screw vacuum pump and have filtered out solid particle and thick liquid, have prevented from often needing to change because filter screen intensity is fragile.
Accompanying drawing explanation
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the structural representation of a kind of filter for dry screw vacuum pump described in the utility model embodiment;
Fig. 2 be in Fig. 1 A-A to sectional view.
In figure:
1, housing; 2, suction port; 3, air outlet; 4, the first flange; 5, blind flange; 6, handle; 7, the second flange; 8, sewage draining exit; 9, connecting plate; 10, strut; 11, filter screen; 12, wing nut; 13, metallic sheath.
Embodiment
As shown in Figure 1-2, a kind of filter for dry screw vacuum pump described in the utility model embodiment, comprise housing 1, the top of described housing 1 is provided with the first flange 4, described the first flange 4 is fixedly connected with blind flange 5 by clamping bolt, for housing 1 is sealed, the top center place of described blind flange 5 is provided with handle 6, the top sidewall of described housing 1 is provided with suction port 2, the bottom centre place of described housing 1 is provided with air outlet 3, described suction port 2 is equipped with the second flange 7 with air outlet 3, the bottom outside of described housing 1 is provided with sewage draining exit 8, for getting rid of the liquid of filter screen 11 filtered airs, the position of the interior corresponding air outlet 3 of described housing 1 is provided with connecting plate 9, the center of described connecting plate 9 is welded with the strut 10 perpendicular to described connecting plate 9, on described strut 10, cover is equiped with the filter screen 11 that is shaped as circle ring column, the top of described strut 10 passes filter screen 11 wing nut 12 that is threaded, the interior ring diameter of described filter screen 11 is greater than the internal diameter of described air outlet 3, described filter screen 11 is for being provided with the composite filter screen 11 of metal filter screen 11 in airstrainer 11, the bottom of described filter screen 11 is equipped with metallic sheath 13.
During concrete use, the second flange 7 on the air outlet of filter 3 is fixedly connected with the intakeport of dry screw vacuum pump, the flange of the suction port of filter 2 is fixedly connected with air duct, gas enters in housing 1 from suction port 2, because the interior ring diameter of filter screen 11 is greater than the internal diameter of air outlet 3, therefore gas must be through filter screen 11 3 outflows from air outlet, when gas passes filter screen 11, thick liquid in gas, solid particle are all filtered net 11 and filter, and then from sewage draining exit 8, discharge.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but do any variation in its shape or structure; every have identical with a application or akin technological scheme, within all dropping on protection domain of the present utility model.
Claims (8)
1. the filter for dry screw vacuum pump, it is characterized in that: comprise housing, the top of described housing is provided with the first flange, described the first flange is fixedly connected with blind flange by clamping bolt, the top sidewall of described housing is provided with suction port, the bottom centre place of described housing is provided with air outlet, the bottom outside of described housing is provided with sewage draining exit, in described housing, the position of corresponding air outlet is provided with connecting plate, the center of described connecting plate is fixedly connected with the strut perpendicular to described connecting plate, on described strut, cover is equiped with the filter screen that is shaped as circle ring column, the top center place of described filter screen is fixedly connected with described strut, the interior ring diameter of described filter screen is greater than the internal diameter of described air outlet.
2. filter according to claim 1, is characterized in that: described filter screen is in airstrainer, to be provided with the composite filter screen of metal filter screen.
3. filter according to claim 1, is characterized in that: the order scope of counting of described filter screen is 200 order-500 orders.
4. filter according to claim 1, is characterized in that: the bottom of described filter screen is equipped with metallic sheath.
5. filter according to claim 1, is characterized in that: the center of described connecting plate is welded to connect strut.
6. filter according to claim 1, is characterized in that: the end face of described filter screen is provided with the nut being threaded with described strut.
7. filter according to claim 1, is characterized in that: described air outlet and suction port are equipped with the second flange.
8. filter according to claim 1, is characterized in that: the top center place of described blind flange is provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293233.0U CN203926015U (en) | 2014-05-30 | 2014-05-30 | A kind of filter for dry screw vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293233.0U CN203926015U (en) | 2014-05-30 | 2014-05-30 | A kind of filter for dry screw vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203926015U true CN203926015U (en) | 2014-11-05 |
Family
ID=51821835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420293233.0U Expired - Fee Related CN203926015U (en) | 2014-05-30 | 2014-05-30 | A kind of filter for dry screw vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203926015U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191228A (en) * | 2017-07-13 | 2017-09-22 | 新乡市万和过滤技术股份公司 | A kind of filter applied to screw expander |
| CN109011913A (en) * | 2018-07-25 | 2018-12-18 | 刘贤顺 | A kind of vacuum Filter for pump |
-
2014
- 2014-05-30 CN CN201420293233.0U patent/CN203926015U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191228A (en) * | 2017-07-13 | 2017-09-22 | 新乡市万和过滤技术股份公司 | A kind of filter applied to screw expander |
| CN109011913A (en) * | 2018-07-25 | 2018-12-18 | 刘贤顺 | A kind of vacuum Filter for pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20160530 |