CN110642291A - Antimony white powder degassing device - Google Patents
Antimony white powder degassing device Download PDFInfo
- Publication number
- CN110642291A CN110642291A CN201910934207.9A CN201910934207A CN110642291A CN 110642291 A CN110642291 A CN 110642291A CN 201910934207 A CN201910934207 A CN 201910934207A CN 110642291 A CN110642291 A CN 110642291A
- Authority
- CN
- China
- Prior art keywords
- shell
- white powder
- antimony white
- module
- mounting flange
- 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.)
- Pending
Links
- 239000000843 powder Substances 0.000 title claims abstract description 51
- GHPGOEFPKIHBNM-UHFFFAOYSA-N antimony(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Sb+3].[Sb+3] GHPGOEFPKIHBNM-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000007872 degassing Methods 0.000 title claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims description 33
- 238000004519 manufacturing process Methods 0.000 abstract description 24
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G30/00—Compounds of antimony
- C01G30/004—Oxides; Hydroxides; Oxyacids
- C01G30/005—Oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Degasification And Air Bubble Elimination (AREA)
Abstract
The invention provides an antimony white powder degassing device, which comprises a shell: openings are respectively formed in the upper end and the lower end of the shell, and the shape of the shell can be deformed; a filtering module: the filter module is arranged in the cavity of the shell, the upper end of the filter module is hermetically connected with the upper end of the shell, the lower end of the filter module is hermetically connected with the lower end of the shell, and the filter module is in clearance fit with the shell in the cavity of the shell; exhaust port: at least one exhaust port is arranged on the side wall part of the shell and communicated with the inner cavity of the shell. The degassing device for antimony white powder provided by the invention can discharge gas carried in the production of antimony white powder as soon as possible, so that enterprises can realize continuous flow line production, and the production efficiency and benefit of the enterprises are improved.
Description
Technical Field
The invention belongs to the technical field of production and manufacture of antimony white powder, and particularly relates to an antimony white powder degassing device.
Background
In the production and manufacturing process of the antimony white powder, the particle size of the antimony white powder is fine, the specific gravity is light, a large amount of gas (the gas content of one ton of antimony white powder is about 1 cubic meter generally) is mixed in the powder in the high-temperature volatilization production process, the volume expansion of the antimony white powder is large due to the large gas carried in the antimony white, if the gas in the antimony white powder is completely and naturally degassed, the time is required to be more than 24 hours, the time cost is large for the production line production of enterprises, and the production efficiency and the economic benefit of the enterprises are reduced.
In order to solve the technical problems, the gas carried in the antimony white powder production needs to be discharged as soon as possible, so that enterprises can realize continuous flow line production.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the technical scheme that: provided is an antimony white powder degassing apparatus, including:
a housing: openings are respectively formed in the upper end and the lower end of the shell, and the shape of the shell can be deformed;
a filtering module: the filter module is arranged in the cavity of the shell, the upper end of the filter module is hermetically connected with the upper end of the shell, the lower end of the filter module is hermetically connected with the lower end of the shell, and the filter module is in clearance fit with the shell in the cavity of the shell;
exhaust port: at least one exhaust port is arranged on the side wall part of the shell and communicated with the inner cavity of the shell.
Furthermore, the upper end of the shell is connected with an upper mounting flange, and the lower end of the shell is connected with a lower mounting flange;
the upper end of the filtering module is hermetically connected with an upper mounting flange through an upper connecting piece; the lower end of the filtering module is hermetically connected with the lower mounting flange through a lower connecting piece.
Further, still include the vibration module: the vibration module is connected with the shell, and the vibration module drives the shell and the filtering module to vibrate.
Further, the vibration module comprises any one of a vibration motor, a hydraulic vibrator and a pneumatic vibrator.
Further, the filtration module comprises a louvered filter bag.
Furthermore, one side of the upper mounting flange extends downwards and longitudinally to form a mounting plate, and the vibration module is fixedly connected with the mounting plate.
Furthermore, the upper connecting piece is a flange plate, and the lower end face of the flange plate is connected with the top of the filtering template;
the flange plate covers the top of the shell and the upper mounting flange on the outer side part of the cavity of the shell, and is in sealing connection with the upper mounting flange.
Furthermore, the lower connecting piece is a hollow cylinder, a sealing clamping groove is formed in the outer side of the cylinder, and a sealing strip is clamped in the sealing clamping groove;
the cylinder is connected with the side wall of the inner cavity of the lower mounting flange in a sealing mode through a sealing strip.
Further, the shell adopts a corrugated pipe
The beneficial effects of the antimony white powder degassing device provided by the invention are as follows: compared with the prior art, the antimony white powder degassing device adopts the shell, the filtering module is arranged in the cavity of the shell, the filtering module is in clearance fit with the cavity of the shell, and the shell wall is provided with the air outlet communicated with the cavity of the shell. When the device is used specifically, the upper end of the shell is connected with the discharge port of antimony white powder of production equipment, the lower end of the shell is connected with the feed port of the next process of antimony white powder production, and meanwhile, the two ends of the filtering module are respectively connected with the upper end and the lower end of the shell in a sealing manner, and then the vacuum pump is connected with the exhaust port. In the process that the antimony white powder is from the upper end of the shell to the lower end of the shell, the antimony white powder passes through the filtering module, when the inner cavity of the shell is vacuumized by an external vacuum pump, gas carried in the antimony white powder flows to the outer side of the filtering module from the inner cavity of the filtering module, and flows into the vacuum pump from the exhaust port of the shell, so that the gas carried in the antimony white powder is discharged. The method ensures the smooth promotion of the production of the antimony white powder flow line, reduces the time cost of enterprises, and improves the production efficiency and the benefit of the enterprises.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a first schematic partial sectional view of a degassing apparatus for antimony white powder according to an embodiment of the present invention;
fig. 2 is a schematic partial sectional view of a degassing apparatus for antimony white powder according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1-a shell; 2-a filtration module; 3-an exhaust port; 4-a vibration module; 11-installing a flange; 12-lower mounting flange; 13-mounting a plate; 14-a sealing strip; 15-sealing strips; 21-upper connecting piece; 22-lower connecting piece.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, a degassing apparatus for antimony white powder according to the present invention will now be described. The antimony white powder degassing device comprises a shell 1: openings are respectively arranged at the upper end and the lower end of the shell 1, and the shape of the shell 1 can be deformed.
And (3) a filtering module 2: the filtering module 2 is arranged in the cavity of the shell 1, the upper end of the filtering module 2 is hermetically connected with the upper end of the shell 1, the lower end of the filtering module 2 is hermetically connected with the lower end of the shell 1, and the filtering module 2 is in clearance fit with the shell 1 in the cavity of the shell 1.
Exhaust port 3: at least one exhaust port 3 is provided on a side wall portion of the housing 1 to communicate with an inner cavity of the housing 1.
Compared with the prior art, the antimony white powder degassing device provided by the invention has the advantages that when in specific use, the upper end of the shell 1 is connected with antimony white powder production equipment, the lower end of the shell 1 is connected with production equipment of the next process, and the exhaust port 3 is connected with a vacuum pump (not shown in the figure). When the antimony white powder flows out from the upper end to the lower end, because the inner cavities of the filter module 2 and the shell 1 are in clearance fit, the upper end of the filter module 2 and the upper end of the shell 1 are sealed, the lower end of the filter module 2 and the lower end of the shell 1 are both in sealing connection, when the inner cavity of the shell 1 is vacuumized by the vacuum pump, gas entrained in the antimony white powder flows out to the position between the residual shells 1 of the filter module 2 through the filter module 2, the gas is pumped out from the exhaust port by the vacuum pump, and the discharge of the gas entrained in the antimony white powder is realized. When the antimony white powder flows out from the lower end of the filtering module 2, gas cannot be entrained, so that continuous production line production is realized in white powder extraction production, and the production efficiency and benefit of enterprises are effectively improved.
Referring to fig. 2, as a specific embodiment of the degasser for antimony white powder according to the present invention, an upper mounting flange 11 is connected to an upper end of a casing 1, and a lower mounting flange 12 is connected to a lower end of the casing 1. The upper end of the filter module 2 is hermetically connected with the upper mounting flange 11 through an upper connecting piece 21; the lower end of the filtration module 2 is sealingly connected to the lower mounting flange 12 by a lower connection member 22. In a specific implementation process, in order to realize the sealing connection between the upper connecting member 21 and the upper mounting flange 11, the upper connecting member 21 may adopt various embodiments, and the upper connecting member 21 may be disposed in the inner cavity of the housing 1, and the connecting member 21 and the inner cavity of the housing 1 may be welded and bonded, and a sealing strip or the like may be used to seal between the connecting member 21 and the inner cavity of the housing 1. Similarly, the lower connector 22 may be disposed on the inner cavity side of the lower mounting flange 12 of the housing 1, and the lower connector 22 may be hermetically connected to the lower mounting flange 12 by welding, bonding, or sealing tape. In this embodiment, the upper connector 21 and the housing 1 are welded and sealed, and the lower connector 22 and the lower mounting flange 12 are connected in a sealing manner by a sealing strip.
Referring to fig. 1 and 2, as a specific embodiment of the antimony white powder degassing device provided by the present invention, the degassing device further includes a vibration module 4, the vibration module 4 is connected to the housing 1, and the vibration module 4 drives the housing 1 and the filter module 2 to vibrate. Through set up vibration module 4 on casing 1, the vibration through vibration module 4 drives casing 1, filter module 2 and vibrates together, effectively improves the mobility of antimony white powder in filter module 2, has effectively improved the effect of degasification. In specific implementation, the vibration module 4 may be connected to any position of the housing 1, the vibration module 4 may be connected to the upper end of the housing 1, the vibration module 4 may be connected to the lower end of the housing 1, or the middle of the remaining housing 1 of the vibration module 4 may be connected. In specific implementation, the connection and installation position of the vibration module 4 and the housing 1 can be selected according to actual needs and overall layout needs of production equipment. The vibration module 4 can select any one of a vibration motor, a hydraulic vibrator and a pneumatic vibrator. In this embodiment, for the convenience of installation, reduce the installation volume, the vibrating motor has been selected in the concrete implementation.
As a specific embodiment of the antimony white powder degassing device provided by the invention, the filtering module 2 of the antimony white powder degassing device adopts a nylon shutter filtering bag, so that on one hand, the strength and the service life of the filtering module under the vibration of the driving module are ensured.
As a specific embodiment of the antimony white powder degassing device provided by the present invention, in order to reduce the production cost, in the specific implementation of the present invention, the housing 1 adopts a rubber corrugated pipe, in the specific installation process of the vibration module 4, one side of the upper installation flange 11 extends downwards and longitudinally to form the installation plate 13, the vibration module 4 is fixedly connected with the installation plate 13, in the specific implementation, the vibration module 4 adopts a vibration motor, and the vibration motor is fixedly connected with the installation plate 13 through bolts.
As shown in fig. 1, as a specific embodiment of the degassing apparatus for antimony white powder according to the present invention, the upper connecting member 21 is a flange plate, and the lower end surface of the flange plate is connected to the top of the filtering template 2; and the flange plate covers the top of the shell 1 and the upper mounting flange 11 at the outer part of the cavity of the shell 1, and is connected with the upper mounting flange 11 in a sealing way. In specific implementation, a sealing clamping groove is formed in the end face of the flange plate, an assembling sealing strip 14 is arranged on the sealing clamping groove, and the sealing of the contact surface of the upper mounting flange 11 and the flange plate is realized through the sealing strip 14.
As shown in fig. 1 or fig. 2, the lower connecting member 22 is a hollow cylinder, a sealing slot is arranged on the outer side of the cylinder, and a sealing strip is clamped in the sealing slot; the cylinder is clamped into the sealing clamping groove through the sealing strip 15 to realize the sealing connection with the side wall of the inner cavity of the lower mounting flange 12.
The housing 1 is made of a corrugated pipe, which may be made of stainless steel, rubber, etc., and in order to reduce the cost, the present invention is made of a corrugated pipe made of rubber.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. Antimony white powder degasser, its characterized in that: comprises that
A housing: openings are respectively formed in the upper end and the lower end of the shell, and the shape of the shell can be deformed;
a filtering module: the filter module is arranged in the cavity of the shell, the upper end of the filter module is hermetically connected with the upper end of the shell, the lower end of the filter module is hermetically connected with the lower end of the shell, and the filter module is in clearance fit with the shell in the cavity of the shell;
exhaust port: at least one exhaust port is arranged on the side wall part of the shell and communicated with the inner cavity of the shell.
2. The degassing apparatus for antimony white powder according to claim 1, wherein:
the upper end of the shell is connected with an upper mounting flange, and the lower end of the shell is connected with a lower mounting flange;
the upper end of the filtering module is hermetically connected with an upper mounting flange through an upper connecting piece; the lower end of the filtering module is hermetically connected with the lower mounting flange through a lower connecting piece.
3. The degassing apparatus of antimony white powder according to claim 1 or 2, wherein: still include the vibration module: the vibration module is connected with the shell, and the vibration module drives the shell and the filtering module to vibrate.
4. The degassing apparatus for antimony white powder according to claim 3, wherein: the vibration module comprises any one of a vibration motor, a hydraulic vibrator and a pneumatic vibrator.
5. The degassing apparatus for antimony white powder according to claim 3, wherein: the filtration module includes a louvered filter bag.
6. The degassing apparatus for antimony white powder according to claim 3, wherein: go up mounting flange one side longitudinal extension downwards and form the mounting panel, vibration module and mounting panel fixed connection.
7. The degassing apparatus for antimony white powder according to claim 3, wherein: the upper connecting piece is a flange plate, and the lower end face of the flange plate is connected with the top of the filtering template;
the flange plate covers the top of the shell and the upper mounting flange on the outer side part of the cavity of the shell, and is in sealing connection with the upper mounting flange.
8. The degassing apparatus for antimony white powder according to claim 3, wherein: the lower connecting piece is a hollow cylinder, a sealing clamping groove is formed in the outer side of the cylinder, and a sealing strip is clamped in the sealing clamping groove;
the cylinder is connected with the side wall of the inner cavity of the lower mounting flange in a sealing mode through a sealing strip.
9. The degassing apparatus for antimony white powder according to claim 3, wherein: the shell adopts a corrugated pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910934207.9A CN110642291A (en) | 2019-09-29 | 2019-09-29 | Antimony white powder degassing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910934207.9A CN110642291A (en) | 2019-09-29 | 2019-09-29 | Antimony white powder degassing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110642291A true CN110642291A (en) | 2020-01-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910934207.9A Pending CN110642291A (en) | 2019-09-29 | 2019-09-29 | Antimony white powder degassing device |
Country Status (1)
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| CN (1) | CN110642291A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1210670A (en) * | 1966-12-16 | 1970-10-28 | Krupp Ag Huettenwerke | Improvements in or relating to filtration of gases produced in the degasification of molten metal |
| US4818258A (en) * | 1987-11-05 | 1989-04-04 | L&H Technologies, Inc. | Filter module |
| CN2055737U (en) * | 1989-08-24 | 1990-04-11 | 戴辉 | Horizontal type vertical blade diatormacceous earth filtering machine |
| US5017198A (en) * | 1989-01-31 | 1991-05-21 | Maschinenfabrik Andritz Actiengesellschaft | Process for the treatment of material-gas mixtures |
| JPH06336217A (en) * | 1993-05-31 | 1994-12-06 | Mitsubishi Kasei Eng Co | Deaeration of powder and deareator |
| JPH07300116A (en) * | 1994-04-28 | 1995-11-14 | Kamachiyou Seiko Kk | Deaerator for powder-filling machine |
| JPH11319407A (en) * | 1998-05-14 | 1999-11-24 | Micro Galaxy:Kk | Vacuum degasifier |
| US6149699A (en) * | 1992-12-14 | 2000-11-21 | Grantham; James I. | Method and apparatus relating to disposable filter modules for filtering air containing hazardous substances |
| US20070131604A1 (en) * | 2003-05-01 | 2007-06-14 | Entegris, Inc. | Filter unit with deaerating mechanism |
| CN104176286A (en) * | 2013-05-22 | 2014-12-03 | 高邮市镇宇粉体设备有限公司 | Vacuum degassing packing machine for ultrafine powder |
| CN206027359U (en) * | 2016-08-18 | 2017-03-22 | 宁波晨鑫维克工业科技有限公司 | A vacuum system filter equipment for fluoridizing salt clarification plant |
| CN207254040U (en) * | 2017-08-03 | 2018-04-20 | 可迪尔空气技术（北京）有限公司 | Cartridge type zeolite runner enrichment facility |
| CN108926933A (en) * | 2018-02-11 | 2018-12-04 | 上海奥希斯环保技术有限公司 | Filtration treatment device and air purifier for air cleaning |
| CN211366988U (en) * | 2019-09-29 | 2020-08-28 | 怀化辰州机械有限责任公司 | Antimony white powder degassing device |
-
2019
- 2019-09-29 CN CN201910934207.9A patent/CN110642291A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1210670A (en) * | 1966-12-16 | 1970-10-28 | Krupp Ag Huettenwerke | Improvements in or relating to filtration of gases produced in the degasification of molten metal |
| US4818258A (en) * | 1987-11-05 | 1989-04-04 | L&H Technologies, Inc. | Filter module |
| US5017198A (en) * | 1989-01-31 | 1991-05-21 | Maschinenfabrik Andritz Actiengesellschaft | Process for the treatment of material-gas mixtures |
| CN2055737U (en) * | 1989-08-24 | 1990-04-11 | 戴辉 | Horizontal type vertical blade diatormacceous earth filtering machine |
| US6149699A (en) * | 1992-12-14 | 2000-11-21 | Grantham; James I. | Method and apparatus relating to disposable filter modules for filtering air containing hazardous substances |
| JPH06336217A (en) * | 1993-05-31 | 1994-12-06 | Mitsubishi Kasei Eng Co | Deaeration of powder and deareator |
| JPH07300116A (en) * | 1994-04-28 | 1995-11-14 | Kamachiyou Seiko Kk | Deaerator for powder-filling machine |
| JPH11319407A (en) * | 1998-05-14 | 1999-11-24 | Micro Galaxy:Kk | Vacuum degasifier |
| US20070131604A1 (en) * | 2003-05-01 | 2007-06-14 | Entegris, Inc. | Filter unit with deaerating mechanism |
| CN104176286A (en) * | 2013-05-22 | 2014-12-03 | 高邮市镇宇粉体设备有限公司 | Vacuum degassing packing machine for ultrafine powder |
| CN206027359U (en) * | 2016-08-18 | 2017-03-22 | 宁波晨鑫维克工业科技有限公司 | A vacuum system filter equipment for fluoridizing salt clarification plant |
| CN207254040U (en) * | 2017-08-03 | 2018-04-20 | 可迪尔空气技术（北京）有限公司 | Cartridge type zeolite runner enrichment facility |
| CN108926933A (en) * | 2018-02-11 | 2018-12-04 | 上海奥希斯环保技术有限公司 | Filtration treatment device and air purifier for air cleaning |
| CN211366988U (en) * | 2019-09-29 | 2020-08-28 | 怀化辰州机械有限责任公司 | Antimony white powder degassing device |
Non-Patent Citations (1)
| Title |
|---|
| 上滝具贞等: "《粉粒体的空气输送》", 电力工业出版社, pages: 251 - 252 * |
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Application publication date: 20200103 |