CN218608545U - Powder filter is used in diborane production - Google Patents
Powder filter is used in diborane production Download PDFInfo
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- CN218608545U CN218608545U CN202222858932.2U CN202222858932U CN218608545U CN 218608545 U CN218608545 U CN 218608545U CN 202222858932 U CN202222858932 U CN 202222858932U CN 218608545 U CN218608545 U CN 218608545U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses a powder filter is used in diborane production, including the guard box, fixedly connected with intake pipe is run through in the front of guard box, fixedly connected with blast pipe is run through at the top of guard box, the middle part of blast pipe is provided with the automatically controlled valve of second, the one end fixed mounting that the intake pipe is located the guard box has the tee bend, three-way both ends fixed mounting has first connecting pipe, the middle part of first connecting pipe is provided with first automatically controlled valve, casing under the other end fixedly connected with of first connecting pipe, the top fixed mounting of casing has last casing down. The filter screen is reversely flushed for a plurality of times by controlling the electric control valve, and the powder is filled in the dust collecting bag, so that the service time of the filter screen is greatly prolonged, and the replacement times of the filter screen are reduced.
Description
Technical Field
The utility model relates to a diborane technical field specifically is a powder filter is used in diborane production.
Background
Diborane, also known as borathane and diborane, is an inorganic compound and is the simplest borane which can be separated at present. The diborane is colorless gas which has unpleasant and unpleasant suffocating odor (vitamin B odor) at normal temperature and normal pressure, and is very easy to oxidize and generate higher-order borane in the production process of the diborane; the borane is changed from a gas state (such as diborane and butylborane) to a solid state (such as decaborane) through a liquid state (such as pentaborane and hexaborane); solid borane needs to be filtered out during the production process using filters and separators.
After the existing powder filter is used for a long time, the filter screen adsorbs a large amount of powder, so that the filtering efficiency is reduced, and diborane has toxicity, so that the filter screen is very complicated to replace.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a powder filter is used in diborane production to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the powder filter for diborane production comprises a protection box, wherein a fixedly connected intake pipe penetrates through the front surface of the protection box, a fixedly connected exhaust pipe penetrates through the top of the protection box, a second electric control valve is arranged in the middle of the exhaust pipe, a tee joint is fixedly arranged at one end, located in the protection box, of the intake pipe, first connecting pipes are fixedly arranged at two ends of the tee joint, a first electric control valve is arranged in the middle of each first connecting pipe, a lower shell is fixedly connected to the other end of each first connecting pipe, an upper shell is fixedly arranged at the top of the lower shell, two second connecting pipes are fixedly connected to the bottom of the lower shell, the top of the upper shell and the bottom of the exhaust pipe are fixedly arranged, a third electric control valve is arranged in the middle of each second connecting pipe, the second connecting pipes are fixedly connected with third connecting pipes through tee joints, a dust collection box is arranged at the other end of each third connecting pipe, a fourth connecting pipe is fixedly arranged at the bottom of the dust collection box, and the other end of the fourth connecting pipe is communicated with the exhaust pipe.
Optionally, the lower casing includes shell, baffle, mount pad, first cavity, second cavity, filter screen, the front and the first connecting pipe fixed connection of shell, baffle and the inside middle part body coupling of shell, the mount pad society is at the top of shell, first cavity passes through the baffle with the second cavity and cuts apart, the filter screen passes through the top fixed mounting of mount pad and shell.
Optionally, the two first connecting pipes are respectively communicated with the first cavity and the second cavity, and the middle part of the filter screen is divided into two parts corresponding to the first cavity and the second cavity.
Optionally, a dust bag is arranged inside the dust collecting box, the third connecting pipe penetrates through the top of the dust collecting box and is fixedly mounted with the dust bag, and the bottom of the fourth connecting pipe is communicated with the inside of the dust collecting box.
Optionally, a connection between the top of the fourth connection pipe and the exhaust pipe is located above the second electronic control valve.
Optionally, the protection box is a sealed rectangular box body, a sealing ring is arranged at a joint of the protection box and the economic management and exhaust pipe, and carbon dioxide is filled in the protection box.
Optionally, a sealing ring is arranged at the bottom of the upper shell, and the upper shell and the lower shell are fixedly installed through bolts.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this powder filter is used in diborane production carries mist to first cavity and second cavity respectively through intake pipe and first connecting pipe, filters gas through the filter screen, and gas after the filtration is discharged through the blast pipe of last casing top, and the powder will be stayed in the casing down, through making mist from bottom to top move, filters the powder that the quality is heavier, and the powder is difficult to in the filter screen adhesion, and it is long when improving filtration efficiency and increasing the filter screen live time.
2. The powder filter for diborane production is characterized in that a first electric control valve on a first connecting pipe connected with a first cavity and a third electric control valve and a second electric control valve arranged on a second connecting pipe connected with a second cavity are closed, the third electric control valve on the second connecting pipe connected with the same cavity and the first electric control valve arranged on the first connecting pipe connected with the second cavity are opened simultaneously, gas conveyed through an air inlet pipe enters the second cavity, the gas enters the upper shell after being filtered by a filter screen above the second cavity, square reverse flushing is carried out on the filter screen above the first cavity, powder adhered to the filter screen is filled into the first cavity, the powder enters a dust collection box through the second connecting pipe and the third connecting pipe, the powder is filtered again through a dust collection bag, clean gas enters an exhaust pipe through a fourth connecting pipe, the powder is left in the dust collection bag, multiple times of reverse flushing are carried out on the filter screen through the electric control valve, the service time of the filter screen is greatly prolonged, and the replacement times of the filter screen are reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of a powder filter for diborane production according to the present invention;
fig. 2 is a schematic diagram of an internal structure of a protection box of the powder filter for diborane production according to the present invention;
fig. 3 is a schematic diagram of an internal structure of a protection box of the powder filter for diborane production according to the present invention;
FIG. 4 is an exploded view of the upper and lower housings of a powder filter for diborane production according to the present invention;
fig. 5 is an exploded view of the dust collecting box of the powder filter for diborane production according to the present invention.
In the figure: 1. a protection box; 2. an air inlet pipe; 3. an exhaust pipe; 4. a tee joint; 5. a first connecting pipe; 6. a first electrically controlled valve; 7. a lower housing; 71. a housing; 72. a partition plate; 73. a mounting seat; 74. a first chamber; 75. a second chamber; 76. a filter screen; 8. an upper housing; 9. a second electrically controlled valve; 10. a second connecting pipe; 11. a third electrically controlled valve; 12. a dust collecting box; 13. a third connecting pipe; 14. a dust collection bag; 15. and a fourth connecting pipe.
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 work belong to the protection scope of the present invention.
Please refer to fig. 1 to 5, the utility model provides a powder filter is used in diborane production, including guard box 1, fixedly connected with intake pipe 2 runs through in the front of guard box 1, fixedly connected with blast pipe 3 runs through at the top of guard box 1, the middle part of blast pipe 3 is provided with second automatically controlled valve 9, the one end fixed mounting that intake pipe 2 is located guard box 1 has tee bend 4, tee bend 4's both ends fixed mounting has first connecting pipe 5, the middle part of first connecting pipe 5 is provided with first automatically controlled valve 6, casing 7 under the other end fixedly connected with of first connecting pipe 5, the top fixed mounting of casing 7 has last casing 8 down, two second connecting pipes 10 of bottom fixedly connected with of casing 7 down, the top of going up casing 8 and the bottom fixed mounting of blast pipe 3, the middle part of two second connecting pipes 10 is provided with third automatically controlled valve 11, two second connecting pipes 10 pass through tee bend 4 fixedly connected with third connecting pipe 13, the other end of third connecting pipe 13 is provided with dust collection box 12, the bottom fixed mounting of dust collection box 12 has fourth connecting pipe 15, the other end and the blast pipe 3 intercommunication of fourth connecting pipe 15.
The lower shell 7 comprises a shell 71, a partition plate 72, a mounting seat 73, a first chamber 74, a second chamber 75 and a filter screen 76, wherein the front surface of the shell 71 is fixedly connected with the first connecting pipe 5, the partition plate 72 is integrally connected with the middle part inside the shell 71, the mounting seat 73 is socially arranged at the top of the shell 71, the first chamber 74 and the second chamber 75 are separated by the partition plate 72, and the filter screen 76 is fixedly arranged at the top of the shell 71 by the mounting seat 73.
Two first connecting pipes 5 communicate with first cavity 74 and second cavity 75 respectively, filter screen 76 middle part is two that correspond with first cavity 74 and second cavity 75, carry gas mixture to first cavity 74 and second cavity 75 respectively through intake pipe 2 and first connecting pipe 5, filter gas through filter screen 76, gas after the filtration is discharged through blast pipe 3 of last casing 8 top, and the powder will be stayed in casing 7 down, through making gas mixture from bottom to top move, filter the powder that the quality is heavier, and the powder is difficult for filter screen 76 adhesion, it is long when improving filtration efficiency and increasing filter screen 76 duration of use.
A dust bag 14 is provided in the dust box 12, a third connecting pipe 13 is fixedly installed to penetrate the top of the dust box 12 and to the dust bag 14, and the bottom of a fourth connecting pipe 15 is communicated with the inside of the dust box 12.
The connection part of the top of the fourth connection pipe 15 and the exhaust pipe 3 is located above the second electronic control valve 9, the first electronic control valve 6 on the first connection pipe 5 connected with the first chamber 74, the third electronic control valve 11 and the second electronic control valve 9 arranged on the second connection pipe 10 connected with the second chamber 75 are closed, the third electronic control valve 11 on the second connection pipe 10 connected with the same chamber and the first electronic control valve 6 arranged on the first connection pipe 5 connected with the second chamber 75 are opened at the same time, the gas conveyed through the air inlet pipe 2 enters the second chamber 75, the gas is filtered through the filter screen 76 above the second chamber 75 and enters the upper shell 8, the filter screen 76 above the first chamber 74 is reversely flushed, the powder adhered on the filter screen 76 is filled into the first chamber 74, the gas enters the dust collection box 12 through the second connection pipe 10 and the third connection pipe 13, after the dust collection bag 14 is filtered again, the clean gas enters the exhaust pipe 3 through the fourth connection pipe 15, the powder is left in the dust collection bag 14, the electronic control valve controls the electronic control valve to greatly reduce the use time of the filter screen 76, and greatly prolong the use time of the filter screen 76.
The protection box 1 is a sealed rectangular box body, a sealing ring is arranged at the joint of the protection box 1 and the economic management and exhaust pipe 3, and carbon dioxide is filled in the protection box 1.
The bottom of the upper shell 8 is provided with a sealing ring, and the upper shell 8 and the lower shell 7 are fixedly installed through bolts.
The working principle is as follows: during normal use, the air inlet pipe 2 and the first connecting pipe 5 respectively convey mixed gas to the first cavity 74 and the second cavity 75, the gas is filtered through the filter screen 76, the filtered gas is discharged through the exhaust pipe 3 above the upper shell 8, powder is left in the lower shell 7, after the powder adhered to the filter screen 76 is excessive, the third electronic control valve 6 on the first connecting pipe 5 connected with the first cavity 74 and the third electronic control valve 11 and the second electronic control valve 9 arranged on the second connecting pipe 10 connected with the second cavity 75 are closed, the third electronic control valve 11 on the second connecting pipe 10 connected with the same cavity and the first electronic control valve 6 arranged on the first connecting pipe 5 connected with the second cavity 75 are opened simultaneously, the gas conveyed through the air inlet pipe 2 enters the second cavity 75, the gas is filtered through the filter screen 76 above the second cavity 75 and enters the upper shell 8, the filter screen 76 above the first cavity 74 is reversely flushed, the powder adhered to the filter screen 76 is filled into the first cavity 74, the dust collection box 12 through the second electronic control valve 76, the dust collection bag 14 is replaced, the dust collection bag 14 is greatly reduced, and the dust collection bag 14 is used for a plurality of dust collection bag replacement.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The powder filter for diborane production comprises a protection box (1) and is characterized in that an air inlet pipe (2) penetrates through and is fixedly connected with the front surface of the protection box (1), an exhaust pipe (3) penetrates through and is fixedly connected with the top of the protection box (1), a second electric control valve (9) is arranged in the middle of the exhaust pipe (3), a tee joint (4) is fixedly mounted at one end, located in the protection box (1), of the air inlet pipe (2), a first connecting pipe (5) is fixedly mounted at two ends of the tee joint (4), a first electric control valve (6) is arranged in the middle of the first connecting pipe (5), a lower shell (7) is fixedly connected with the other end of the first connecting pipe (5), an upper shell (8) is fixedly mounted at the top of the lower shell (7), two second connecting pipes (10) are fixedly connected with the bottom of the lower shell (7), the top of the upper shell (8) and the bottom of the exhaust pipe (3) are fixedly mounted, a third electric control valve (11) is arranged in the middle of the two second connecting pipes (10), a third connecting pipe (13) is fixedly connected with the second connecting pipe (10), a dust collecting box (13) is fixedly connected with the other end of the fourth connecting pipe (12), the other end of the fourth connecting pipe (15) is communicated with the exhaust pipe (3).
2. A diborane production powder filter according to claim 1, wherein the lower casing (7) comprises a casing (71), a partition plate (72), a mounting seat (73), a first chamber (74), a second chamber (75) and a filter screen (76), the front face of the casing (71) is fixedly connected with the first connecting pipe (5), the partition plate (72) is integrally connected with the middle part of the inside of the casing (71), the mounting seat (73) is socially arranged at the top of the casing (71), the first chamber (74) and the second chamber (75) are separated by the partition plate (72), and the filter screen (76) is fixedly arranged at the top of the casing (71) by the mounting seat (73).
3. A diborane production powder filter according to claim 2, wherein two of said first connecting tubes (5) are respectively connected to the first chamber (74) and the second chamber (75), and the middle part of said filter screen (76) is divided into two pieces corresponding to the first chamber (74) and the second chamber (75).
4. A powder filter for diborane production according to claim 1, wherein a dust collecting bag (14) is arranged inside the dust collecting box (12), the third connecting pipe (13) is fixedly installed with the dust collecting bag (14) by penetrating the top of the dust collecting box (12), and the bottom of the fourth connecting pipe (15) is communicated with the inside of the dust collecting box (12).
5. A diborane production powder filter according to claim 4, wherein the connection of the top of the fourth connecting pipe (15) and the exhaust pipe (3) is above the second electrically controlled valve (9).
6. The powder filter for diborane production according to claim 1, wherein the protection box (1) is a sealed rectangular box body, a sealing ring is arranged at the joint of the protection box (1) and the economic management and exhaust pipe (3), and carbon dioxide is filled in the protection box (1).
7. A diborane production powder filter according to claim 1, wherein a sealing ring is arranged at the bottom of the upper casing (8), and the upper casing (8) and the lower casing (7) are fixedly installed by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222858932.2U CN218608545U (en) | 2022-10-28 | 2022-10-28 | Powder filter is used in diborane production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222858932.2U CN218608545U (en) | 2022-10-28 | 2022-10-28 | Powder filter is used in diborane production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218608545U true CN218608545U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222858932.2U Active CN218608545U (en) | 2022-10-28 | 2022-10-28 | Powder filter is used in diborane production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218608545U (en) |
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2022
- 2022-10-28 CN CN202222858932.2U patent/CN218608545U/en active Active
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