CN203954912U - Gas filter of vacuum degassing equipment - Google Patents
Gas filter of vacuum degassing equipment Download PDFInfo
- Publication number
- CN203954912U CN203954912U CN201420048457.5U CN201420048457U CN203954912U CN 203954912 U CN203954912 U CN 203954912U CN 201420048457 U CN201420048457 U CN 201420048457U CN 203954912 U CN203954912 U CN 203954912U
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- China
- Prior art keywords
- rosette
- circular
- inlet end
- concave cavity
- shaped
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Abstract
The utility model discloses a gas filter of vacuum degassing equipment, it includes: the metal disc sleeve comprises a gas inlet end metal disc and a gas outlet end metal disc which are identical in structure, wherein the surfaces of the gas inlet end metal disc and the gas outlet end metal disc are opposite and are attached together according to symmetrical positions, a first circular concave cavity of the gas inlet end metal disc and a second circular concave cavity of the gas outlet end metal disc are opened to form a circular closed cavity, and a filter element is arranged in the circular closed cavity in a sealing mode. The utility model discloses a gas filter can collect tiny particulate matter in the gas well, prevents that gas circuit system from polluting or blockking up among the sample gas collection process, and the filter effect is better, and the gas tightness is also better.
Description
Technical field
The utility model relates to vacuum outgas applied technical field, and in particular, the utility model relates to a kind of air filter of vacuum deaerator plant.
Background technology
At present, in the Vacuum Degassing Process of coal bed gas/shale gas and gas, need extensively to use sample gas to carry out experiment Analysis, but because conventionally containing dust and other materials in sample gas, therefore for just need to adopting air filter device, the rank that makes the purity of sample gas reach experiment use filters out dust and other materials in sample gas.
In known normative document GB/T23249-2009, AQ1046-2007 " survey coal seam gas-bearing capacity assay method in period " regulation, in vacuum deaerator plant, be connected with a glass sedimentation pipe in air inlet needle rear end, the mode of employing sedimentation filters out sample gas and carries the fine particulates coming, with Purge gas.Although but the principle of this glass sedimentation pipe based on sedimentation settles down a part of particle, but other part particles can advance along with air-flow, and the particle originally settling down along with flow perturbation also may reenter gas, therefore low, the weak effect of this gas filter efficiency, and airproof is also bad.
Utility model content
The technical problem that the utility model solves is to provide a kind of air filter of vacuum deaerator plant, and to improve filter effect, and air-tightness is better.
In order to solve the problems of the technologies described above, the utility model by the following technical solutions:
An air filter for vacuum deaerator plant, it comprises:
Rosette cover, described rosette cover comprises inlet end rosette and the outlet side rosette that structure is identical, described inlet end rosette surface offers taking disc centre as the center of circle, opening is towards the first circular-shaped, concave cavity of described outlet side rosette, rosette surface, outlet side offers taking disc centre as the center of circle, opening is towards the second circular-shaped, concave cavity of described inlet end rosette, between described inlet end rosette back side home position and the bottom surface home position of described the first circular-shaped, concave cavity, offer the air inlet through hole that is connected air inlet pipe, between described outlet side rosette back side home position and the bottom surface home position of described the second circular-shaped, concave cavity, offer the vent hole that goes out that is connected escape pipe, described inlet end rosette and described outlet side rosette surface is relative and fit together according to symmetric position, wherein said the first circular-shaped, concave cavity and described the second circular-shaped, concave cavity opening form round sealed chamber, the airtight filter core that is provided with in described round sealed chamber.
Preferably, also comprise: buckle structure, described buckle structure is two semicircular ring buckles that are movably connected, these two semicircle buckles entangle the inlet end rosette of described rosette cover and the side of outlet side rosette is fixed.
Wherein, these two semicircle buckle inwall bottom surfaces have groove structure, and the annulus bulge-structure coordinating with described groove structure is extended in inlet end rosette and the rosette side, outlet side of described rosette cover; The annulus bulge-structure of this inlet end rosette and outlet side rosette inserts in corresponding groove structure, and the joint of these two semicircular ring buckles is movably fixed to together.
Wherein, the joint of these two semicircular ring buckles can be movably fixed to together by bolt.
Wherein, described filter core comprises two metallic support nets and is clipped in the filter membrane between these two metallic support nets.
Wherein, described two metallic support nets and filter membrane are O shape, two metallic support nets of described O shape and filter membrane outward also cover have O shape sealing rubber ring, in described the first circular-shaped, concave cavity and described the second circular-shaped, concave cavity, be also provided with O circle groove, described O shape sealing rubber ring fixed placement is in described O circle groove.
Compared with prior art, the utlity model has following beneficial effect:
The air filter of vacuum deaerator plant of the present utility model, it comprises: rosette cover, described rosette cover comprises inlet end rosette and the outlet side rosette that structure is identical, described inlet end rosette surface offers taking disc centre as the center of circle, opening is towards the first circular-shaped, concave cavity of described outlet side rosette, rosette surface, outlet side offers taking disc centre as the center of circle, opening is towards the second circular-shaped, concave cavity of described inlet end rosette, between described inlet end rosette back side home position and the bottom surface home position of described the first circular-shaped, concave cavity, offer the air inlet through hole that is connected air inlet pipe, between described outlet side rosette back side home position and the bottom surface home position of described the second circular-shaped, concave cavity, offer the vent hole that goes out that is connected escape pipe, described inlet end rosette and described outlet side rosette surface is relative and fit together according to symmetric position, wherein said the first circular-shaped, concave cavity and described the second circular-shaped, concave cavity opening form round sealed chamber, the airtight filter core that is provided with in described round sealed chamber.Adopt the air filter of this structure well fine particulates in gas to be collected, prevent that in sample gas gatherer process, air-channel system pollutes or stops up.This air filter air-tightness is good, filter element filtering area is large, prevent that vacuum loop from causing fault, and adopt rosette to overlap the chuck mode structure forming together with buckle structure, strengthen dedusting effect, reduce gas flow resistance, improved the degassed degree of accuracy, also can adopt in addition the fixed form of buckle-type to make dismounting air filter and more renew cartridge is more convenient.
Brief description of the drawings
Fig. 1 is inlet end rosette composition structural representation in rosette cover specific embodiment in the air filter of the utility model vacuum deaerator plant;
Fig. 2 is rosette composition structural representation in outlet side in rosette cover specific embodiment in the air filter of the utility model vacuum deaerator plant;
Fig. 3 is the structural representation of sealing rubber ring in filter core specific embodiment in the air filter of the utility model vacuum deaerator plant;
Fig. 4 is the structural representation of a metallic support net in filter core specific embodiment in the air filter of the utility model vacuum deaerator plant;
Fig. 5 is the structural representation of filter membrane in filter core specific embodiment in the air filter of the utility model vacuum deaerator plant;
The structural representation of another metallic support net in filter core specific embodiment in the air filter of Fig. 6 the utility model vacuum deaerator plant;
Fig. 7 is the composition structural representation of buckle structure specific embodiment in the air filter of the utility model vacuum deaerator plant.
Detailed description of the invention
With reference to figure 1-Fig. 7, the air filter of the vacuum deaerator plant of the present embodiment, it includes a rosette cover, this rosette cover is combined relatively by the rosette of two structure full symmetrics, specifically, the cover of rosette described in the present embodiment comprises inlet end rosette 11 and the outlet side rosette 12 that structure is identical, described inlet end rosette 11 surfaces offer taking disc centre as the center of circle, opening is towards the first circular-shaped, concave cavity 13 of described outlet side rosette 12, this first circular-shaped, concave cavity 13 can have certain depth, its bottom surface is smooth, same, rosette 12 surfaces in outlet side offer taking disc centre as the center of circle, opening is towards the second circular-shaped, concave cavity 14 of described inlet end rosette 11, when specific implementation, inlet end rosette 11 and outlet side rosette 12 adopt metal material processing to make, solid, there is certain thickness, surface and flat side down are smooth.
Between described inlet end rosette 11 back side home positions and the bottom surface home position of described the first circular-shaped, concave cavity 13, offer the air inlet through hole 15 that is connected air inlet pipe, when specific implementation, air inlet through hole 15, to external welding one metal thin tube (not indicating), passes in and out for gas.
Same, between described outlet side rosette 11 back side home positions and the bottom surface home position of described the second circular-shaped, concave cavity 14, offer be connected escape pipe go out vent hole 16, when specific implementation, going out vent hole 16 also can be to external welding one metal thin tube (indicating), for gas turnover, repeat no more here.
The rosette of inlet end described in the present embodiment 11 and described outlet side rosette 12 surfaces are relative and fit together according to symmetric position, wherein said the first circular-shaped, concave cavity 13 and described the second circular-shaped, concave cavity 14 openings form round sealed chamber (not indicating), the airtight filter core that is provided with in described round sealed chamber.When specific implementation, unlike the prior art, the air filter of vacuum deaerator plant of the present utility model adopts filter element filtering sample gas (for example methane gas), can remove the fine particulates carrying in sample gas, being filtered, the fine particulates that for example, carries out from coal sample when gas is degassed is fixed on filter membrane, thereby can better filter sample gas, make sample gas degasifying effect better.
Need to illustrate, in the utility model for fixing metal disk overlaps and ensure airtight effect, also include buckle structure, buckle structure described in the present embodiment is two semicircular ring buckles that are movably connected (being respectively semicircular ring buckle 31 and semicircular ring buckle 32), this semicircle buckle 31 and semicircular ring buckle 32 state the inlet end rosette 11 of rosette cover 1 from engage sleeves residence together with both sides and the side of outlet side rosette 12 is fixed, when specific implementation, this semicircular ring buckle 31 and semicircular ring buckle 32 are made by metal material processing.
In order to improve fixed effect and airtight effect, in the utility model, have groove structure 33 in the inwall bottom surface of this semicircle buckle 31 and semicircular ring buckle 32, the annulus bulge-structure (not indicating) coordinating with described groove structure is extended in the inlet end rosette 11 of described rosette cover and outlet side rosette 12 sides; The annulus bulge-structure of this inlet end rosette 11 and outlet side rosette 12 inserts in corresponding groove structure (33 places, position), the joint of these two semicircular ring buckles is movably fixed to together, when specific implementation, the joint of these two semicircular ring buckles can be movably fixed to together by bolt 34, the movable fixed structure that also can adopt other modes in reality, repeats no more here.
Need explanation, the mode that rosette cover is fixed can adopt various ways, and preference card buckle structure in the present embodiment, so that dismounting also can adopt other mode in reality, repeats no more here.
In addition, filter core described in the present embodiment comprises two metallic support nets (being metallic support net 21 and metallic support net 23) and is clipped in the filter membrane 22 between these two metallic support nets, when specific implementation, this metallic support net 21 and metallic support net 23 are close to filter membrane 22 both sides, prevent filter membrane 22 breakages, as can preferred embodiment, this metallic support net 21 and metallic support net 23 and filter membrane 22 are O shape, two metallic support nets of described O shape and filter membrane outward also cover have O shape sealing rubber ring 24, the diameter of described filter membrane and two metallic support nets is consistent with the internal diameter of O shape rubber ring, described two metallic support nets are close to filter membrane both sides, prevent filter membrane breakage, in described the first circular-shaped, concave cavity 13 and described the second circular-shaped, concave cavity 14, be also provided with O circle groove 18, described O shape sealing rubber ring 24 fixed placement are in described O circle groove 18, because the internal radius that buckle structure forms is consistent with rosette cover diameter, buckle structure overlaps outer rim side by for example bolted of fixed structure in rosette, utilize the pressure of buckle structure, rosette cover can be fastened in buckle structure, in the time that buckle pressure is larger, it is tighter that O RunddichtringO just pastes, therefore, can reach the effect of air filter sealing.
Although preferred embodiment of the present utility model has disclosed as above, the utility model is not limited to above-described embodiment, and any those skilled in the art, not departing from the disclosed scope of the utility model, when doing a little change and adjustment.
Claims (6)
1. an air filter for vacuum deaerator plant, is characterized in that, comprising:
Rosette cover, described rosette cover comprises inlet end rosette and the outlet side rosette that structure is identical, described inlet end rosette surface offers taking disc centre as the center of circle, opening is towards the first circular-shaped, concave cavity of described outlet side rosette, rosette surface, outlet side offers taking disc centre as the center of circle, opening is towards the second circular-shaped, concave cavity of described inlet end rosette, between described inlet end rosette back side home position and the bottom surface home position of described the first circular-shaped, concave cavity, offer the air inlet through hole that is connected air inlet pipe, between described outlet side rosette back side home position and the bottom surface home position of described the second circular-shaped, concave cavity, offer the vent hole that goes out that is connected escape pipe, described inlet end rosette and described outlet side rosette surface is relative and fit together according to symmetric position, wherein said the first circular-shaped, concave cavity and described the second circular-shaped, concave cavity opening form round sealed chamber, the airtight filter core that is provided with in described round sealed chamber.
2. the air filter of vacuum deaerator plant according to claim 1, it is characterized in that, also comprise: buckle structure, described buckle structure is two semicircular ring buckles that are movably connected, and these two semicircle buckles entangle the inlet end rosette of described rosette cover and the side of outlet side rosette is fixed.
3. the air filter of vacuum deaerator plant according to claim 2, it is characterized in that, these two semicircle buckle inwall bottom surfaces have groove structure, and the annulus bulge-structure coordinating with described groove structure is extended in inlet end rosette and the rosette side, outlet side of described rosette cover; The annulus bulge-structure of this inlet end rosette and outlet side rosette inserts in corresponding groove structure, and the joint of these two semicircular ring buckles is movably fixed to together.
4. the air filter of vacuum deaerator plant according to claim 3, is characterized in that, the joint of these two semicircular ring buckles is movably fixed to together by bolt.
5. the air filter of vacuum deaerator plant according to claim 1, is characterized in that, described filter core comprises two metallic support nets and is clipped in the filter membrane between these two metallic support nets.
6. the air filter of vacuum deaerator plant according to claim 5, it is characterized in that, described two metallic support nets and filter membrane are O shape, two metallic support nets of described O shape and filter membrane outward also cover have O shape sealing rubber ring, in described the first circular-shaped, concave cavity and described the second circular-shaped, concave cavity, be also provided with O circle groove, described O shape sealing rubber ring fixed placement is in described O circle groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420048457.5U CN203954912U (en) | 2014-01-24 | 2014-01-24 | Gas filter of vacuum degassing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420048457.5U CN203954912U (en) | 2014-01-24 | 2014-01-24 | Gas filter of vacuum degassing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203954912U true CN203954912U (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420048457.5U Expired - Fee Related CN203954912U (en) | 2014-01-24 | 2014-01-24 | Gas filter of vacuum degassing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203954912U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178732A (en) * | 2016-09-21 | 2016-12-07 | 合肥德捷节能环保科技有限公司 | A kind of building ventilation pipe air filtration unit |
| CN109107036A (en) * | 2018-10-29 | 2019-01-01 | 枣庄市立医院 | A kind of ophthalmic nursing dedicated wet surface application cover |
-
2014
- 2014-01-24 CN CN201420048457.5U patent/CN203954912U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178732A (en) * | 2016-09-21 | 2016-12-07 | 合肥德捷节能环保科技有限公司 | A kind of building ventilation pipe air filtration unit |
| CN109107036A (en) * | 2018-10-29 | 2019-01-01 | 枣庄市立医院 | A kind of ophthalmic nursing dedicated wet surface application cover |
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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: 20141126 Termination date: 20150124 |
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| EXPY | Termination of patent right or utility model |