CN108131958B - Multi-stage dust catching device for ultra-high temperature vacuum sintering furnace - Google Patents

Multi-stage dust catching device for ultra-high temperature vacuum sintering furnace Download PDF

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Publication number
CN108131958B
CN108131958B CN201810081610.7A CN201810081610A CN108131958B CN 108131958 B CN108131958 B CN 108131958B CN 201810081610 A CN201810081610 A CN 201810081610A CN 108131958 B CN108131958 B CN 108131958B
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round table
pipe
shaped
air inlet
pipes
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CN108131958A (en
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李文江
刘添华
谷长颖
王云
程元党
祁飞
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Shandong Weiji Carbon Tech Co ltd
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Shandong Weiji Carbon Tech Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/001Extraction of waste gases, collection of fumes and hoods used therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/008Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)

Abstract

The application provides a multistage dust collecting device for an ultra-high temperature vacuum sintering furnace, which comprises a closed shell, an air inlet pipe, an air baffle plate, a plurality of first round table-shaped pipes, a plurality of second round table-shaped pipes and a third round table-shaped pipe, wherein the air inlet pipe is arranged on the closed shell; according to the application, the air inlet pipe, the air baffle, the first round table-shaped pipe, the second round table-shaped pipe and the third round table-shaped pipe are utilized to enclose a multi-turn zigzag air circulation channel in the closed shell, the air is subjected to multiple blocking collisions when circulated in the air circulation channel, dust in the air is separated from the air in the multiple blocking collision process, the air after dust is finally removed is discharged out of the closed shell, and the separated dust is accumulated in the closed shell, so that dust catching and purification of the air discharged from the ultra-high temperature vacuum sintering furnace are realized, the dust amount in the air entering the vacuum pump is greatly reduced, and the influence of the dust on the vacuum pump is reduced or even avoided.

Description

Multi-stage dust catching device for ultra-high temperature vacuum sintering furnace
Technical Field
The application relates to the technical field of high-temperature sintering equipment for carbon materials, in particular to a multi-stage dust collecting device for an ultrahigh-temperature vacuum sintering furnace.
Background
The ultra-high temperature vacuum sintering furnace for carbon materials is sintering equipment for carrying out ultra-high temperature treatment of graphite parts, carbon felts, solidified felts and other carbon materials at the temperature exceeding 2000 ℃ in a vacuum environment, and is widely applied to the development of single crystals, power fuel cells, anode and cathode materials, semiconductor industries, silicon carbide, sapphire industries, nuclear power stations, aerospace and new materials in the photovoltaic industry.
Because the carbon material can generate a large amount of dust in the sintering treatment process in the ultra-high temperature vacuum sintering furnace, the carbon material is very fine (nm-level) dust, and is usually pumped by a screw vacuum pump, the dust enters a pump cavity of the screw vacuum pump and can be deposited on a rotor of the screw vacuum pump, so that the screw vacuum pump is failed and cannot work stably and normally for a long time; if an oil vacuum pump is used, dust can pollute pump oil, the pump oil is frequently replaced, and the operation cost is greatly increased.
Therefore, how to provide a dust collecting device to reduce or even avoid the influence of dust on the vacuum pump is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The application aims to provide a multistage dust collecting device for an ultrahigh temperature vacuum sintering furnace.
In order to solve the problems, the application adopts the following technical scheme:
a multistage dust catching device for an ultra-high temperature vacuum sintering furnace comprises a closed shell, an air inlet pipe, an air baffle, a plurality of first round table-shaped pipes, a plurality of second round table-shaped pipes and a third round table-shaped pipe;
a main air inlet pipe and a main air outlet pipe are arranged on the top wall surface of the closed shell;
the air inlet pipe, the air baffle, the first circular truncated cone-shaped pipes, the second circular truncated cone-shaped pipes and the third circular truncated cone-shaped pipes are all arranged in a cavity in the closed shell;
the first round table-shaped tube, the second round table-shaped tube and the third round table-shaped tube are all round table-shaped appearance thin-wall tubes;
the first round table-shaped pipes are sleeved on the air inlet pipe, the thin pipe openings of the first round table-shaped pipes are arranged below the upper thick pipe openings, and the thin pipe openings of the first round table-shaped pipes are connected with the outer wall surface of the air inlet pipe in a sealing mode;
the plurality of second round table-shaped pipes are arranged on the inner wall surface of the closed shell, the thin pipe openings of the second round table-shaped pipes are arranged on the lower thick pipe opening, the thick pipe openings of the second round table-shaped pipes are in sealing connection with the inner wall surface of the closed shell, the air inlet pipe penetrates through the plurality of second round table-shaped pipes, and the inner diameters of the thin pipe openings of the plurality of second round table-shaped pipes are larger than the outer diameter of the air inlet pipe;
the first round table-shaped pipes and the second round table-shaped pipes are alternately arranged from top to bottom along the upper axial center line of the sealed shell, the first round table-shaped pipes are located at the uppermost initial position, the outer diameter of the thick pipe mouth of the first round table-shaped pipe located above is smaller than the inner diameter of the thick pipe mouth of the second round table-shaped pipe located below, the inner diameter of the thick pipe mouth of the first round table-shaped pipe located above is larger than the inner diameter of the thin pipe mouth of the second round table-shaped pipe located below, and the inner diameter of the thin pipe mouth of the second round table-shaped pipe located above is larger than the outer diameter of the thin pipe mouth of the first round table-shaped pipe located below and smaller than the outer diameter of the thick pipe mouth of the first round table-shaped pipe located below;
the third round table-shaped pipe is arranged on the inner wall surface of the closed shell and below the first round table-shaped pipe at the lowest position, the thin pipe opening of the third round table-shaped pipe is arranged on the lower thick pipe opening, the thick pipe opening of the third round table-shaped pipe is in sealing connection with the inner wall surface of the closed shell, the air inlet pipe penetrates through the third round table-shaped pipe, and the inner diameter of the thin pipe opening of the third round table-shaped pipe is larger than the outer diameter of the air inlet pipe;
the air baffle plate is sleeved on the air inlet pipe and positioned below the third round table-shaped pipe, and the outer diameter of the air baffle plate is smaller than the inner diameter of the thin pipe orifice of the third round table-shaped pipe;
the top air inlet of the air inlet pipe is communicated with the main air inlet pipe on the airtight shell in a sealing way, and the bottom air outlet of the air inlet pipe is freely opened and positioned below the air baffle plate.
Preferably, the airtight shell comprises a top cover, an upper cylinder, a lower cylinder and a bottom cover, wherein the top cover is arranged on a top cylinder opening of the upper cylinder through flange connection, a bottom cylinder opening of the upper cylinder is connected with a top cylinder opening of the lower cylinder through flange connection, and the bottom cover is arranged on a bottom cylinder opening of the lower cylinder through flange connection;
sealing rings are arranged at the joint of the top cover and the upper cylinder, the joint of the upper cylinder and the lower cylinder and the joint of the bottom cover and the lower cylinder.
Preferably, the air inlet pipe comprises a plurality of sectional air inlet pipes and a plurality of connecting pipes, external threads are respectively arranged at the top and the bottom of the outer surface of each sectional air inlet pipe, internal threads are respectively arranged at the top and the bottom of the inner surface of each connecting pipe, each sectional air inlet pipe is in threaded connection with each connecting pipe, and the upper and lower adjacent sectional air inlet pipes are communicated through the connecting pipes.
Preferably, the thin pipe openings of the first round table-shaped pipes are detachably sleeved on the connecting pipes through bolt connection, and the plurality of first round table-shaped pipes are in one-to-one correspondence with the plurality of connecting pipes.
Preferably, the sealing device further comprises a plurality of supporting rings, the supporting rings are detachably arranged on the inner wall surface of the sealed shell, the second round table-shaped pipes are detachably arranged on the supporting rings, the second round table-shaped pipes are sleeved in the rings of the supporting rings, the supporting rings seal annular gaps between the second round table-shaped pipes and the inner wall surface of the sealed shell, and each second round table-shaped pipe corresponds to one supporting ring.
Preferably, the third round table-shaped tube is detachably arranged on the supporting ring, the third round table-shaped tube is sleeved in the ring of the supporting ring, the supporting ring seals an annular gap between the third round table-shaped tube and the inner wall surface of the airtight shell, and each third round table-shaped tube corresponds to one supporting ring.
Preferably, the air baffle further comprises an internal thread pipe, the air baffle is detachably arranged on the top end ring surface of the internal thread pipe through bolt connection, and the internal thread pipe is arranged on the bottom end air outlet of the air inlet pipe through thread connection.
The application provides a multistage dust collecting device for an ultra-high temperature vacuum sintering furnace, which comprises a closed shell, an air inlet pipe, an air baffle plate, a plurality of first round table-shaped pipes, a plurality of second round table-shaped pipes and a third round table-shaped pipe, wherein the air inlet pipe is arranged on the closed shell; according to the application, the air inlet pipe, the air baffle plate, the first round table-shaped pipe, the second round table-shaped pipe and the third round table-shaped pipe are utilized to enclose a multi-turn zigzag air circulation channel in the closed shell, the air encounters multiple blocking collisions of the air baffle plate, the first round table-shaped pipe, the second round table-shaped pipe and the third round table-shaped pipe when circulating in the air circulation channel, dust in the air is separated from the air in the multiple blocking collision process, the air after the dust is finally removed is discharged out of the closed shell, and the separated dust is accumulated in the closed shell, so that dust catching and purification of the air discharged from the ultra-high temperature vacuum sintering furnace are realized, the dust amount in the air entering the vacuum pump is greatly reduced, and the influence of the dust on the vacuum pump is reduced or even avoided.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic cross-sectional structure diagram of a multi-stage dust collecting device for an ultra-high temperature vacuum sintering furnace according to an embodiment of the present application (the arrow direction in the figure is the flow direction of air flow).
In the figure: the air inlet pipe comprises a top cover 1, an upper cylinder 2, a lower cylinder 3, a bottom cover 4, a segmented air inlet pipe 5, an air baffle 6, a first round table-shaped pipe 7, a second round table-shaped pipe 8, a third round table-shaped pipe 9, a connecting pipe 10, a supporting ring 11, an internal thread pipe 12, a sealing ring 13, a total air inlet pipe 14 and a total air outlet pipe 15.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1, fig. 1 is a schematic cross-sectional structure diagram of a multi-stage dust collecting device for an ultra-high temperature vacuum sintering furnace according to an embodiment of the present application (the arrow direction in the figure is the flow direction of the air flow).
The application provides a multistage dust collecting device for an ultra-high temperature vacuum sintering furnace, which comprises a closed shell, an air inlet pipe, an air baffle 6, a plurality of first round table-shaped pipes 7, a plurality of second round table-shaped pipes 8 and a third round table-shaped pipe 9;
a main air inlet pipe 14 and a main air outlet pipe 15 are arranged on the top wall surface of the closed shell;
the air inlet pipe, the air baffle 6, the first circular truncated cone-shaped pipes 7, the second circular truncated cone-shaped pipes 8 and the third circular truncated cone-shaped pipes 9 are all arranged in the cavity in the closed shell;
the first round table-shaped pipe 7, the second round table-shaped pipe 8 and the third round table-shaped pipe 9 are all round table-shaped thin-wall pipes;
the plurality of first round table-shaped pipes 7 are sleeved on the air inlet pipe, the thin pipe openings of the first round table-shaped pipes 7 are arranged below the upper thick pipe openings, and the thin pipe openings of the first round table-shaped pipes 7 are connected with the outer wall surface of the air inlet pipe in a sealing mode;
the plurality of second round table-shaped pipes 8 are arranged on the inner wall surface of the closed shell, the thin pipe openings of the second round table-shaped pipes 8 are arranged on the lower thick pipe opening, the thick pipe openings of the second round table-shaped pipes 8 are in sealing connection with the inner wall surface of the closed shell, the air inlet pipe penetrates through the plurality of second round table-shaped pipes 8, and the inner diameters of the thin pipe openings of the plurality of second round table-shaped pipes 8 are larger than the outer diameter of the air inlet pipe;
the first round table-shaped pipes 7 and the second round table-shaped pipes 8 are alternately arranged from top to bottom along the upper axial center line of the sealed shell, the first round table-shaped pipes 7 are located at the uppermost initial position, the outer diameter of the thick pipe orifice of the first round table-shaped pipe 7 located above is smaller than the inner diameter of the thick pipe orifice of the second round table-shaped pipe 8 located right below, the inner diameter of the thick pipe orifice of the first round table-shaped pipe 7 located above is larger than the inner diameter of the thin pipe orifice of the second round table-shaped pipe 8 located right below, and the inner diameter of the thin pipe orifice of the second round table-shaped pipe 8 located above is larger than the outer diameter of the thin pipe orifice of the first round table-shaped pipe 7 located right below and smaller than the outer diameter of the thick pipe orifice of the first round table-shaped pipe 7 located right below;
the third round table-shaped pipe 9 is arranged on the inner wall surface of the closed shell and below the first round table-shaped pipe 7 at the lowest position, the thin pipe opening of the third round table-shaped pipe 9 is arranged on the upper side of the lower thick pipe opening, the thick pipe opening of the third round table-shaped pipe 9 is in sealing connection with the inner wall surface of the closed shell, the air inlet pipe penetrates through the third round table-shaped pipe 9, and the inner diameter of the thin pipe opening of the third round table-shaped pipe 9 is larger than the outer diameter of the air inlet pipe;
the air baffle 6 is sleeved on the air inlet pipe and is positioned below the third round table-shaped pipe 9, and the outer diameter of the air baffle 6 is smaller than the inner diameter of a thin pipe orifice of the third round table-shaped pipe 9;
the top air inlet of the air inlet pipe is communicated with the main air inlet pipe 14 on the airtight shell in a sealing way, and the bottom air outlet of the air inlet pipe is freely opened and positioned below the air baffle 6.
In one embodiment of the present application, the airtight housing comprises a top cover 1, an upper cylinder 2, a lower cylinder 3 and a bottom cover 4, wherein the top cover 1 is arranged on a top cylinder opening of the upper cylinder 2 through flange connection, a bottom cylinder opening of the upper cylinder 2 is connected with a top cylinder opening of the lower cylinder 3 in a flange manner, and the bottom cover 4 is arranged on a bottom cylinder opening of the lower cylinder 3 through flange connection;
sealing rings 13 are arranged at the joint of the top cover 1 and the upper cylinder 2, the joint of the upper cylinder 2 and the lower cylinder 3 and the joint of the bottom cover 4 and the lower cylinder 3.
In one embodiment of the present application, the air inlet pipe comprises a plurality of segmented air inlet pipes 5 and a plurality of connecting pipes 10, wherein external threads are arranged on the top and the bottom of the outer surface of each segmented air inlet pipe 5, internal threads are arranged on the top and the bottom of the inner surface of each connecting pipe 10, each segmented air inlet pipe 5 is in threaded connection with each connecting pipe 10, and two adjacent segmented air inlet pipes 5 are communicated through the connecting pipes 10.
In one embodiment of the present application, the thin pipe openings of the first round table-shaped pipes 7 are detachably sleeved on the connecting pipes 10 through bolt connection, and the plurality of first round table-shaped pipes 7 are in one-to-one correspondence with the plurality of connecting pipes 10.
In an embodiment of the present application, the multi-stage dust collecting device further includes a plurality of support rings 11, the plurality of support rings 11 are detachably disposed on the inner wall surface of the closed casing, the second round table-shaped tubes 8 are detachably disposed on the support rings 11, and the second round table-shaped tubes 8 are sleeved in the rings of the support rings 11, and the support rings 11 seal an annular gap between the second round table-shaped tubes 8 and the inner wall surface of the closed casing, and each second round table-shaped tube 8 corresponds to one support ring 11.
In one embodiment of the present application, the third round table-shaped pipes 9 are detachably disposed on the support ring 11, and the third round table-shaped pipes 9 are sleeved in the ring of the support ring 11, the support ring 11 seals an annular gap between the third round table-shaped pipes 9 and the inner wall surface of the airtight housing, and each third round table-shaped pipe 9 corresponds to one support ring 11.
In an embodiment of the present application, the multi-stage dust collecting device further includes an internal threaded pipe 12, the air baffle 6 is detachably disposed on a top end ring surface of the internal threaded pipe 12 through a bolt connection, and the internal threaded pipe 12 is disposed on a bottom air outlet of the air inlet pipe through a threaded connection.
The application provides a multistage dust collecting device for an ultra-high temperature vacuum sintering furnace, which comprises a closed shell, an air inlet pipe, an air baffle 6, a plurality of first round table-shaped pipes 7, a plurality of second round table-shaped pipes 8 and a third round table-shaped pipe 9; according to the application, the air inlet pipe, the air baffle 6, the first round table-shaped pipe 7, the second round table-shaped pipe 8 and the third round table-shaped pipe 9 are utilized to enclose a multi-turn zigzag air circulation channel in the closed shell, the air encounters multiple blocking collisions of the air baffle 6, the first round table-shaped pipe 7, the second round table-shaped pipe 8 and the third round table-shaped pipe 9 when circulating in the air circulation channel, dust in the air is separated from the air in the multiple blocking collision process, the air after dust is finally removed is discharged out of the closed shell, and the separated dust is accumulated in the closed shell, so that dust collection and purification of the air discharged from the ultra-high temperature vacuum sintering furnace are realized, the dust amount in the air entering the vacuum pump is greatly reduced, and the influence of the dust on the vacuum pump is reduced or even avoided.
Methods and devices not described in detail in the present application are all prior art.
The above description of the embodiments is only for aiding in the understanding of the method of the present application and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the application can be made without departing from the principles of the application and these modifications and adaptations are intended to be within the scope of the application as defined in the following claims.

Claims (7)

1. The multistage dust catching device for the ultra-high temperature vacuum sintering furnace is characterized by comprising a closed shell, an air inlet pipe, an air baffle plate, a plurality of first round table-shaped pipes, a plurality of second round table-shaped pipes and a third round table-shaped pipe;
a main air inlet pipe and a main air outlet pipe are arranged on the top wall surface of the closed shell;
the air inlet pipe, the air baffle, the first circular truncated cone-shaped pipes, the second circular truncated cone-shaped pipes and the third circular truncated cone-shaped pipes are all arranged in a cavity in the closed shell;
the first round table-shaped tube, the second round table-shaped tube and the third round table-shaped tube are all round table-shaped appearance thin-wall tubes;
the first round table-shaped pipes are sleeved on the air inlet pipe, the thin pipe openings of the first round table-shaped pipes are arranged below the upper thick pipe openings, and the thin pipe openings of the first round table-shaped pipes are connected with the outer wall surface of the air inlet pipe in a sealing mode;
the plurality of second round table-shaped pipes are arranged on the inner wall surface of the closed shell, the thin pipe openings of the second round table-shaped pipes are arranged on the lower thick pipe opening, the thick pipe openings of the second round table-shaped pipes are in sealing connection with the inner wall surface of the closed shell, the air inlet pipe penetrates through the plurality of second round table-shaped pipes, and the inner diameters of the thin pipe openings of the plurality of second round table-shaped pipes are larger than the outer diameter of the air inlet pipe;
the first round table-shaped pipes and the second round table-shaped pipes are alternately arranged from top to bottom along the upper axial center line of the sealed shell, the first round table-shaped pipes are located at the uppermost initial position, the outer diameter of the thick pipe mouth of the first round table-shaped pipe located above is smaller than the inner diameter of the thick pipe mouth of the second round table-shaped pipe located below, the inner diameter of the thick pipe mouth of the first round table-shaped pipe located above is larger than the inner diameter of the thin pipe mouth of the second round table-shaped pipe located below, and the inner diameter of the thin pipe mouth of the second round table-shaped pipe located above is larger than the outer diameter of the thin pipe mouth of the first round table-shaped pipe located below and smaller than the outer diameter of the thick pipe mouth of the first round table-shaped pipe located below;
the third round table-shaped pipe is arranged on the inner wall surface of the closed shell and below the first round table-shaped pipe at the lowest position, the thin pipe opening of the third round table-shaped pipe is arranged on the lower thick pipe opening, the thick pipe opening of the third round table-shaped pipe is in sealing connection with the inner wall surface of the closed shell, the air inlet pipe penetrates through the third round table-shaped pipe, and the inner diameter of the thin pipe opening of the third round table-shaped pipe is larger than the outer diameter of the air inlet pipe;
the air baffle plate is sleeved on the air inlet pipe and positioned below the third round table-shaped pipe, and the outer diameter of the air baffle plate is smaller than the inner diameter of the thin pipe orifice of the third round table-shaped pipe;
the top air inlet of the air inlet pipe is communicated with the main air inlet pipe on the airtight shell in a sealing way, and the bottom air outlet of the air inlet pipe is freely opened and positioned below the air baffle plate.
2. The multi-stage dust collector of claim 1, wherein the sealed housing comprises a top cover, an upper cylinder, a lower cylinder and a bottom cover, the top cover is arranged on a top cylinder opening of the upper cylinder through flange connection, a bottom cylinder opening of the upper cylinder is connected with a top cylinder opening of the lower cylinder through flange connection, and the bottom cover is arranged on a bottom cylinder opening of the lower cylinder through flange connection;
sealing rings are arranged at the joint of the top cover and the upper cylinder, the joint of the upper cylinder and the lower cylinder and the joint of the bottom cover and the lower cylinder.
3. The multi-stage dust collecting device according to claim 1, wherein the air inlet pipe comprises a plurality of sectional air inlet pipes and a plurality of connecting pipes, external threads are arranged on the top and the bottom of the outer surface of each sectional air inlet pipe, internal threads are arranged on the top and the bottom of the inner surface of each connecting pipe, each sectional air inlet pipe is in threaded connection with each connecting pipe, and two adjacent upper and lower sectional air inlet pipes are communicated through the connecting pipes.
4. The multi-stage dust collecting device according to claim 3, wherein the thin pipe openings of the first round table-shaped pipes are detachably sleeved on the connecting pipes through bolt connection, and a plurality of the first round table-shaped pipes are in one-to-one correspondence with a plurality of the connecting pipes.
5. The multi-stage dust collector of claim 1, further comprising a plurality of support rings detachably disposed on the inner wall surface of the closed housing, the second frustoconical pipes detachably disposed on the support rings and sleeved in the rings of the support rings, the support rings sealing an annular gap between the second frustoconical pipes and the inner wall surface of the closed housing, one support ring for each second frustoconical pipe.
6. The multi-stage dust collector of claim 5, wherein the third frustoconical tubes are detachably disposed on the support ring and the third frustoconical tubes are sleeved in the support ring, the support ring sealing an annular gap between the third frustoconical tubes and an inner wall surface of the containment enclosure, one support ring for each third frustoconical tube.
7. The multi-stage dust collector of claim 1, further comprising an internally threaded tube, wherein the air baffle is detachably disposed on a top end annulus of the internally threaded tube by bolting, and wherein the internally threaded tube is disposed on a bottom air outlet of the air inlet tube by screwing.
CN201810081610.7A 2018-01-29 2018-01-29 Multi-stage dust catching device for ultra-high temperature vacuum sintering furnace Active CN108131958B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810081610.7A CN108131958B (en) 2018-01-29 2018-01-29 Multi-stage dust catching device for ultra-high temperature vacuum sintering furnace

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Application Number Priority Date Filing Date Title
CN201810081610.7A CN108131958B (en) 2018-01-29 2018-01-29 Multi-stage dust catching device for ultra-high temperature vacuum sintering furnace

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CN108131958B true CN108131958B (en) 2023-09-26

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101732931A (en) * 2008-11-24 2010-06-16 河南中新环保物流设备有限公司 Dust collector
CN201871307U (en) * 2010-10-30 2011-06-22 吴传仪 Combined high-efficiency dust removal purifier
WO2012075892A1 (en) * 2010-12-05 2012-06-14 Wang Sen Gas-solid separator for circulating fluidized bed boiler and boiler containing same
CN204973456U (en) * 2015-10-09 2016-01-20 江西绿洲源木业股份有限公司 Use dust processing apparatus between former billet processing vehicle of reel
CN207936776U (en) * 2018-01-29 2018-10-02 山东伟基炭科技有限公司 A kind of multistage dust trapping device for super high temperature vacuum sintering furnace

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101732931A (en) * 2008-11-24 2010-06-16 河南中新环保物流设备有限公司 Dust collector
CN201871307U (en) * 2010-10-30 2011-06-22 吴传仪 Combined high-efficiency dust removal purifier
WO2012075892A1 (en) * 2010-12-05 2012-06-14 Wang Sen Gas-solid separator for circulating fluidized bed boiler and boiler containing same
CN204973456U (en) * 2015-10-09 2016-01-20 江西绿洲源木业股份有限公司 Use dust processing apparatus between former billet processing vehicle of reel
CN207936776U (en) * 2018-01-29 2018-10-02 山东伟基炭科技有限公司 A kind of multistage dust trapping device for super high temperature vacuum sintering furnace

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