CN217855179U - Novel maintenance-free vacuum filter with flame resistance and high temperature resistance - Google Patents
Novel maintenance-free vacuum filter with flame resistance and high temperature resistance Download PDFInfo
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- CN217855179U CN217855179U CN202221242742.1U CN202221242742U CN217855179U CN 217855179 U CN217855179 U CN 217855179U CN 202221242742 U CN202221242742 U CN 202221242742U CN 217855179 U CN217855179 U CN 217855179U
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Abstract
The utility model belongs to the technical field of vacuum filters, in particular to a novel maintenance-free vacuum filter with flame resistance and high temperature resistance, which comprises a dust removal barrel body, wherein the dust removal barrel body comprises a cylindrical upper part and a conical lower part, one side of the lower part is connected with an air inlet, and one side of the upper part, which is far away from the air inlet, is provided with an air outlet, the upper part is fixedly provided with a transverse fixed plate, the fixed plate is provided with a metal film filter, and the air inlet and the air outlet are respectively positioned below and above the metal film filter; the top end of the dust removal cylinder body is provided with a back flushing component used for cleaning dust on the metal film filter, and the bottom end of the dust removal cylinder body is provided with a dust storage component used for storing dust. The defect of the prior art is overcome, the metal film filter is adopted to filter dust, the damage of high-heat dust particles to the filter is avoided, the back blowing component is arranged to back blow the filter, and the service life of the filter is prolonged.
Description
Technical Field
The utility model belongs to the technical field of vacuum filter, concretely relates to novel maintenance-free vacuum filter of anti high temperature resistant that fires.
Background
In recent years, dry mechanical vacuum pumps have been rapidly popularized in domestic and foreign vacuum treatment processes due to their advantages of energy conservation, environmental protection and the like, and are widely applied to the fields of vacuum refining and the like. However, in the vacuum treatment process of vacuum refining, some process gases carry a large amount of high-temperature particle dust, and the dust particles have the characteristics of alkali metals and easy oxidation, while a dry mechanical vacuum pump is a relatively precise device, and a large amount of dust enters a pump body to cause the failure and damage of the device, so a set of filtering device is generally arranged in front of the dry mechanical vacuum pump to intercept a large amount of dust contained in the process gases and protect the normal operation of subsequent devices.
Generally, the set of filter equipment generally adopts a bag type dust collector, the filter bag is made of a fiber material, the temperature resistance is generally within 150 ℃, although the process gas is cooled by the gas before entering the bag type dust collector, some dust particles still carry high heat and adhere to the filter bag to burn the filter bag, small holes are generated, the filter effect of the bag type dust collector is lost, and subsequent mechanical equipment is damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel vacuum filter of fire-resistant high temperature resistant non-maintaining has overcome prior art's not enough, adopts the metal film filter to filter the dust, avoids high thermal dust granule to the damage of filter, sets up the blowback subassembly simultaneously and carries out the blowback to the filter, has prolonged the life of filter.
In order to solve the above problems, the utility model adopts the following technical scheme:
the novel flame-retardant high-temperature-resistant maintenance-free vacuum filter comprises a dust removal barrel, wherein the dust removal barrel comprises a cylindrical upper part and a conical lower part, one side of the lower part is connected with an air inlet, one side of the upper part, which is far away from the air inlet, is provided with an air outlet, the upper part is fixedly provided with a transverse fixing plate, the fixing plate is provided with a metal membrane filter, and the air inlet and the air outlet are respectively positioned below and above the metal membrane filter;
the top end of the dust removal cylinder body is provided with a back flushing component used for cleaning dust on the metal film filter, and the bottom end of the dust removal cylinder body is provided with a dust storage component used for storing the dust.
Further, the top of the dust removal barrel is provided with an opening, the opening is connected with a top cover, and the top cover is fixedly connected with the dust removal barrel through a spring bolt.
Furthermore, the blowback subassembly is including installing the back-blowing ware in the top cap, the one end of back-blowing ware is connected with the blowback mouth of intercommunication inert gas, and its other end is connected with a plurality of blowback pipes, the bottom of blowback pipe extends to in the filter element of metal film filter.
Furthermore, a plurality of air injection holes are formed in the side wall of the back flushing pipe, the aperture of one end, facing the metal film filter, of each air injection hole is gradually reduced, and a one-way valve is arranged in each air injection hole.
Furthermore, the one-way valve is circular, the periphery of the one-way valve is hermetically connected with the inner side wall of the air injection hole, a seam is radially arranged at the center of the one-way valve, the length of the seam is smaller than the radius of the one-way valve, and three or four seams are arranged.
Further, store up grey subassembly including connecting the ash storage box in dust removal barrel bottom, be provided with the control valve between ash storage box and the dust removal barrel, the bottom of ash storage box has the ash discharge mouth, and the ash discharge mouth is provided with even closeable ash discharging plate.
Furthermore, the ash storage box is of a pot-shaped structure with the middle part protruding outwards.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses a metal film filter filters the dust, avoids the damage of high thermal dust granule to the filter.
2. The utility model discloses a blowback subassembly and storage ash subassembly carry out the blowback to the metal film filter, have prolonged the life of filter.
Drawings
Fig. 1 is a schematic structural diagram of a novel flame-retardant, high-temperature-resistant, maintenance-free vacuum filter.
FIG. 2 is a schematic structural diagram of a blowback pipe in a novel flame-retardant, high-temperature-resistant, maintenance-free vacuum filter.
In the figure: 1. a dust removal cylinder; 2. an air inlet; 3. an air outlet; 4. a back flushing port; 5. a top cover; 6. a back-blower; 7. a blowback pipe; 71. a gas injection hole; 72. a one-way valve; 8. a fixing plate; 9. a metal membrane filter; 10. a control valve; 11. an ash storage box; 12. and (7) unloading the dust plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 1-2, the novel flame-retardant, high-temperature-resistant, maintenance-free vacuum filter of the present invention comprises a dust-removing cylinder 1, wherein the dust-removing cylinder 1 comprises a cylindrical upper part and a conical lower part, one side of the lower part is connected with an air inlet 2, and one side of the upper part, which is far away from the air inlet 2, is provided with an air outlet 3, the upper part is fixedly provided with a transverse fixing plate 8, the fixing plate 8 is provided with a metal membrane filter 9, and the air inlet 2 and the air outlet 3 are respectively located below and above the metal membrane filter 9;
a back flushing component for cleaning dust on the metal film filter 9 is arranged at the top end of the dust removing cylinder 1, and a dust storage component for storing dust is arranged at the bottom end of the dust removing cylinder 1.
The metal film filter 9 adopts a metal porous material forming process, has thin film wall, good flexibility, good air permeability and low resistance to Pa grade under vacuum, and has the filtering precision of 0.1um and high temperature resistance of 500 ℃.
The top of the dust removal barrel body 1 is provided with an opening, the opening is connected with a top cover 5, and the top cover 5 is fixedly connected with the dust removal barrel body 1 through a spring bolt.
The blowback subassembly is including installing blowback ware 6 in top cap 5, and the one end of blowback ware 6 is connected with the blowback 4 of intercommunication inert gas, and its other end is connected with a plurality of blowback pipes 7, and the bottom of blowback pipe 7 extends to in the filter core of metal membrane filter 9.
In order to improve the back-blowing performance, a plurality of air injection holes 71 are formed in the side wall of the back-blowing pipe 7, the aperture of one end of each air injection hole 71 facing the metal membrane filter 9 is gradually reduced, and a one-way valve 72 is arranged in each air injection hole 71. The one-way valve 72 is circular, the periphery of the one-way valve 72 is connected with the inner side wall of the air injection hole 71 in a sealing mode, a seam is radially arranged at the circle center of the one-way valve 72, the length of the seam is smaller than the radius of the one-way valve 72, and three or four seams are arranged.
The ash storage component comprises an ash storage box 11 connected to the bottom end of the dust removal barrel body 1, a control valve 10 is arranged between the ash storage box 11 and the dust removal barrel body 1, an ash discharge opening is formed in the bottom end of the ash storage box 11, and an ash discharge plate 12 which can be sealed is arranged at the ash discharge opening.
In order to increase the ash storage capacity, the ash storage box 11 is of a pot-shaped structure with the middle part protruding outwards.
To sum up, the novel flame-resistant, high-temperature-resistant and maintenance-free vacuum filter of the utility model is characterized in that when in use, air with dust firstly enters the dust removal cylinder body 1 from the air inlet 2, then the dust is left on the metal film filter 9 after being filtered by the metal film filter 9, and the purified air is conveyed to the vacuum pump from the air outlet 3; after the purification is finished, inert gas is introduced from the blowback port 4 by the blowback device 6, and then the inert gas is blown out from the blowhole 71 of the blowback pipe 7 to the filter element of the metal film filter 9, so as to clean dust attached to the surface of the metal film filter; at this time, the control valve 10 on the ash storage box 11 is opened, the dust is collected into the ash storage box 11, and after enough dust is collected, the ash discharging plate 12 is opened to discharge the dust.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a novel maintenance-free vacuum filter of fire-resistant high temperature resistant, includes dust removal barrel (1), its characterized in that: the dust removal barrel body (1) comprises a cylindrical upper part and a conical lower part, one side of the lower part is connected with an air inlet (2), one side of the upper part, which is far away from the air inlet (2), is provided with an air outlet (3), the upper part is fixedly provided with a transverse fixing plate (8), the fixing plate (8) is provided with a metal film filter (9), and the air inlet (2) and the air outlet (3) are respectively positioned below and above the metal film filter (9);
the dust removal device is characterized in that a back flushing component used for cleaning dust on the metal film filter (9) is installed at the top end of the dust removal cylinder body (1), and a dust storage component used for storing dust is arranged at the bottom end of the dust removal cylinder body (1).
2. The novel flame-resistant high-temperature-resistant maintenance-free vacuum filter according to claim 1, characterized in that: the dust removal device is characterized in that an opening is formed in the top of the dust removal barrel body (1), a top cover (5) is connected to the opening, and the top cover (5) is fixedly connected with the dust removal barrel body (1) through a spring bolt.
3. The novel flame-resistant high-temperature-resistant maintenance-free vacuum filter according to claim 2, characterized in that: the back blowing component comprises a back blowing device (6) installed in the top cover (5), one end of the back blowing device (6) is connected with a back blowing port (4) communicated with inert gas, the other end of the back blowing device is connected with a plurality of back blowing pipes (7), and the bottom ends of the back blowing pipes (7) extend into the filter element of the metal film filter (9).
4. The novel flame-resistant, high-temperature-resistant and maintenance-free vacuum filter as claimed in claim 3, wherein: the side wall of the blowback pipe (7) is provided with a plurality of air injection holes (71), the aperture of one end of each air injection hole (71) facing the metal film filter (9) is gradually reduced, and each air injection hole (71) is internally provided with a one-way valve (72).
5. The novel flame-resistant high-temperature-resistant maintenance-free vacuum filter as claimed in claim 4, wherein: the one-way valve (72) is circular, the periphery of the one-way valve (72) is connected with the inner side wall of the air injection hole (71) in a sealing mode, a seam is radially arranged at the circle center of the one-way valve (72), the length of the seam is smaller than the radius of the one-way valve (72), and three or four seams are arranged.
6. The novel flame-resistant, high-temperature-resistant and maintenance-free vacuum filter as claimed in claim 1, wherein: the ash storage component comprises an ash storage box (11) connected to the bottom end of the dust removal barrel body (1), a control valve (10) is arranged between the ash storage box (11) and the dust removal barrel body (1), an ash discharge opening is formed in the bottom end of the ash storage box (11), and an ash discharge plate (12) which can be sealed is arranged at the ash discharge opening.
7. The novel flame-resistant, high-temperature-resistant and maintenance-free vacuum filter as claimed in claim 6, wherein: the ash storage box (11) is of a pot-shaped structure with the middle part protruding outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221242742.1U CN217855179U (en) | 2022-05-23 | 2022-05-23 | Novel maintenance-free vacuum filter with flame resistance and high temperature resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221242742.1U CN217855179U (en) | 2022-05-23 | 2022-05-23 | Novel maintenance-free vacuum filter with flame resistance and high temperature resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217855179U true CN217855179U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221242742.1U Active CN217855179U (en) | 2022-05-23 | 2022-05-23 | Novel maintenance-free vacuum filter with flame resistance and high temperature resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217855179U (en) |
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2022
- 2022-05-23 CN CN202221242742.1U patent/CN217855179U/en active Active
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