CN113694680A - Graphite heat conduction membrane carbide furnace vacuum filtration system - Google Patents
Graphite heat conduction membrane carbide furnace vacuum filtration system Download PDFInfo
- Publication number
- CN113694680A CN113694680A CN202111061973.2A CN202111061973A CN113694680A CN 113694680 A CN113694680 A CN 113694680A CN 202111061973 A CN202111061973 A CN 202111061973A CN 113694680 A CN113694680 A CN 113694680A
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- filter
- condensation
- carbonization furnace
- adsorption filter
- graphite heat
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 23
- 239000010439 graphite Substances 0.000 title claims abstract description 23
- 238000003828 vacuum filtration Methods 0.000 title claims abstract description 16
- 239000012528 membrane Substances 0.000 title claims description 13
- 238000009833 condensation Methods 0.000 claims abstract description 108
- 230000005494 condensation Effects 0.000 claims abstract description 108
- 238000001179 sorption measurement Methods 0.000 claims abstract description 66
- 238000001914 filtration Methods 0.000 claims abstract description 42
- 238000003763 carbonization Methods 0.000 claims abstract description 34
- 239000000498 cooling water Substances 0.000 claims abstract description 20
- 229910001220 stainless steel Inorganic materials 0.000 claims description 14
- 239000010935 stainless steel Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 abstract description 20
- 239000007789 gas Substances 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
Abstract
The invention belongs to the technical field of graphite heat-conducting film production equipment, and particularly relates to a vacuum filtering system of a graphite heat-conducting film carbonization furnace. The vacuum filtering system of the graphite heat-conducting film carbonization furnace comprises the carbonization furnace, a filtering assembly and a vacuum pump, wherein a gas outlet of the carbonization furnace is connected with a gas inlet of the filtering assembly through a first exhaust pipeline, and a gas outlet of the filtering assembly is connected with the vacuum pump through a fourth exhaust pipeline; the filtering component comprises a first-stage condensation filter, a second-stage adsorption filter and a third-stage adsorption filter which are sequentially arranged. The invention increases the effective area of the second-stage adsorption filter by changing the arrangement of the condensation pipelines of the first-stage condensation filter, the arrangement density of fins on the condensation pipelines and the cooling water inlet and outlet modes, can improve the capacity of the whole vacuum filtration system, ensures the vacuum degree of the system and avoids the influence of waste gas on products in the furnace.
Description
Technical Field
The invention belongs to the technical field of graphite heat-conducting film production equipment, and particularly relates to a vacuum filtering system of a graphite heat-conducting film carbonization furnace.
Background
At present, the main preparation method of the artificially synthesized graphite heat-conducting film is to place a polyimide film on a tool fixture, sequentially perform low-temperature carbonization and high-temperature graphitization heat treatment, and finally perform calendering, laminating and die cutting treatment.
Wherein, the low-temperature carbonization flow is an important part of the whole production flow. In the low-temperature carbonization process, the polyimide film is subjected to pyrolysis reaction along with the increase of the carbonization temperature in a vacuum state, the polymer chains in the film are broken, and the N, H, O component in the film generates CO and CO2、N2Waste gases such as HCN and tar. When this part waste gas passes through the vacuum filtration system of carbide furnace, tar wherein can cool down the condensation and adhere to in filtration system, lead to filtration system's jam, reduce system's vacuum filtration ability, serious meeting leads to the inside stifled death completely of filtration system, and the difference in temperature is too big in the stove, and the vacuum pump damages, increases extra equipment maintenance cost. Meanwhile, waste gas is difficult to discharge and is dispersed in the whole carbonization furnace, and impurity components in the waste gas are left on the film, so that the product quality is influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a vacuum filtering system of a graphite heat-conducting film carbonization furnace. The invention increases the effective area of the second-stage adsorption filter, improves the capacity of the whole vacuum filtration system, ensures the vacuum degree of the system and avoids the influence of waste gas on products in the furnace by changing the arrangement of the condensation pipelines of the first-stage condensation filter, the arrangement density of fins on the condensation pipelines and the cooling water inlet and outlet modes.
In order to achieve the technical purpose, the embodiment of the invention adopts the technical scheme that: a graphite heat-conducting film carbonization furnace vacuum filtering system comprises a carbonization furnace, a filtering assembly and a vacuum pump, wherein a gas outlet of the carbonization furnace is connected with a gas inlet of the filtering assembly through a first exhaust pipeline, and a gas outlet of the filtering assembly is connected with the vacuum pump through a fourth exhaust pipeline; the filtering component comprises a first-stage condensation filter, a second-stage adsorption filter and a third-stage adsorption filter which are sequentially arranged.
Further, the air inlet of one-level condensation filter with the gas outlet of carbide furnace is connected, the gas outlet of one-level condensation filter is connected with the air inlet of second grade adsorption filter, the gas outlet of second grade adsorption filter is connected with the air inlet of tertiary adsorption filter, the gas outlet and the vacuum pump of tertiary adsorption filter are connected.
Further, be provided with a plurality of condensation pipelines in the one-level condensation filter casing, one-level condensation filter inlet outlet department does not set up condensation pipeline, condensation pipeline's whole distribution density is: the arrangement density of the air inlets and the air outlets adjacent to the air inlets and the air outlets is sparser than that of other parts.
Furthermore, stainless steel cooling fins which are spirally arranged are welded on the condensation pipeline, and the gap between every two adjacent stainless steel cooling fins is 4-6 mm.
Further, still be provided with the inlet channel among the one-level condensation filter, the cooling water passes through the inlet channel is direct from last to getting into in the lower part cavity of one-level condensation filter down, gets back to the upper portion cavity of one-level condensation filter through the condensation duct again, by the delivery port discharge, the flow direction of cooling water in the condensation duct is opposite with the flow direction of waste gas in one-level condensation filter.
Further, detachably be provided with the support in the second grade adsorption filter, the support is in through setting up support stopper on the second grade adsorption filter inner wall is fixed.
Furthermore, the support is U-shaped, the free end of the support is detachably connected to the inner wall of the secondary adsorption filter and is fixed through the support limiter, and the U-shaped opening of the support faces to the air inlet end of the secondary adsorption filter.
Furthermore, the support is composed of two layers of stainless steel laths, and an adsorption filtering material is arranged between the two layers of stainless steel laths and is fastened together through fixing screws.
Furthermore, a filter element is arranged in the three-stage adsorption filter, and the filter element is folded into a corrugated shape and is arranged in the three-stage adsorption filter in a cylindrical shape.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
(1) by changing the arrangement mode of the condensation pipelines in the primary condensation filter: one-level condensation filter inlet and outlet department does not set up the condensation duct, and the bulk distribution density of condensation duct is: the density of arranging of neighbouring business turn over gas port is sparse than other positions to increase condensation duct and first exhaust duct interval at one-level condensation filter pipeline mouth, can avoid on high temperature waste gas, tar spout condensation duct through first exhaust duct, lead to blockking up the blast pipe mouth.
(2) The arrangement density of the stainless steel fins on the condensation pipeline in the first-stage condensation filter is optimized, the gap between every two layers of stainless steel fins is 4-6mm, and the phenomenon that tar blocks the gap between the fins due to over-dense arrangement can be avoided while the sufficient effective cooling area is ensured.
(3) The upper and lower parts of the condensation pipeline are provided with a hollow cylindrical cavity for storing water, cooling water passes through the water inlet pipeline, the cooling water does not pass through the cavity and the condensation pipeline on the upper part of the one-level condensation filter, the cooling water directly enters the lower part cavity of the one-level condensation filter from top to bottom through the water inlet pipeline, then the cooling water returns to the upper part cavity of the one-level condensation filter through the condensation pipeline and is discharged from an upper water outlet, the flowing direction of the cooling water in the condensation pipeline is from bottom to top, the flowing direction of the cooling water in the one-level condensation filter is opposite to that of waste gas in the one-level condensation filter, and the condensation filtering capacity can be improved.
(4) Be provided with the support that is "U" font in the second grade adsorption filter, the free end detachably of support connects on second grade adsorption filter's inner wall, and it is fixed through the support stopper, the "U" font opening of support is towards second grade adsorption filter's inlet end, the support comprises two-layer stainless steel slat, be provided with adsorption and filtration material between two-layer, and fasten stainless steel slat and adsorption and filtration material together through the set screw, effective area through increase second grade adsorption filter, can effectively improve absorbent tar volume, avoid tar to get into follow-up filtration system, block up the pipeline, the polluted environment.
(5) The vacuum filtration system of the invention does not need to additionally modify the carbonization furnace and the vacuum pump set, has no influence on the production process, and has low cost, stability and reliability.
Drawings
FIG. 1 is a front view of a vacuum filtration system of a graphite heat-conducting membrane carbonization furnace according to the present invention.
In the figure, the position of the upper end of the main shaft,
: the direction of the water flow;
: the direction of the airflow.
FIG. 2 is a top view of the vacuum filtration system of the graphite heat-conducting membrane carbonization furnace of the present invention.
FIG. 3 is a partially enlarged view of a condensation pipeline in the vacuum filtration system of the graphite heat-conducting membrane carbonization furnace according to the present invention.
Description of reference numerals: 1-a carbonization furnace; 2-a first exhaust duct; 3-first order condensation filter; 4-a water inlet pipeline; 5-a condensation duct; 501-cooling fins; 6-a second-stage adsorption filter; 7-a scaffold; 8-a bracket retainer; 9-adsorption filter material; 10-a set screw; 11-three-stage adsorption filter; 12-a filter element; 13-a vacuum pump; 14-a second exhaust duct; 15-a third exhaust duct; 16-a fourth exhaust conduit; 17-a water outlet; 18-a cavity; 18A-lower cavity; 18B-upper chamber.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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.
Example 1
As shown in fig. 1 and 2, a graphite heat-conducting membrane carbonization furnace vacuum filtration system comprises a carbonization furnace 1, a filter assembly and a vacuum pump 13, wherein an air outlet of the carbonization furnace 1 is connected with an air inlet of the filter assembly through a first exhaust pipeline 2, and an air outlet of the filter assembly is connected with the vacuum pump through a fourth exhaust pipeline 16; the filtering component comprises a first-stage condensation filter 3, a second-stage adsorption filter 6 and a third-stage adsorption filter 11 which are arranged in sequence.
The air inlet of one-level condensation filter 3 with the gas outlet of carbide furnace 1 is connected through first exhaust duct 2, the gas outlet of one-level condensation filter 3 is connected through second exhaust duct 14 with the air inlet of second grade adsorption filter 6, the gas outlet of second grade adsorption filter 6 is connected through third exhaust duct 15 with the air inlet of tertiary adsorption filter 11, the gas outlet of tertiary adsorption filter 11 is connected through fourth exhaust duct 16 with vacuum pump 13.
Be provided with a plurality of condensation duct 5 in the 3 casings of one-level condensation filter, 3 air inlet openings department of one-level condensation filter does not set up condensation duct 5, condensation duct 5's whole distribution density is: the arrangement density of the adjacent air inlet and outlet is sparse than that of other parts, so that the distance between the condensation pipeline 5 and the pipeline opening of the first exhaust pipeline 2 at the first-stage condensation filter 3 is increased.
Still be provided with cooling water inlet channel 4 in the one-level condensation filter 3, cooling water does not pass through the upper portion cavity 18B condensation duct 5 of one-level condensation filter 3, but directly passes through inlet channel 4 gets into the cavity on one-level condensation filter 3 upper portion is got back to through a plurality of condensation ducts 5 to the lower part cavity 18A of one-level condensation filter 3 from last, by delivery port 17 discharge, the flow direction of cooling water in condensation duct 5 is by lower supreme, opposite with the flow direction of waste gas in one-level condensation filter 3.
Specifically, the upper part and the lower part of the condensation pipeline 5 are provided with a hollow cylindrical cavity 18 for storing water, cooling water directly enters the lower cavity 18A of the condensation pipeline 5 from the water inlet pipeline 4, and then the cooling water returns to the upper cavity 18B through each condensation pipeline 5 and is discharged through the water outlet 17. The upper cavity 18B is detachably connected with the shell of the primary condensation filter 3, and is welded with the condensation pipeline 5 and the lower cavity 18A, the lower cavity 18A is not connected with the shell of the primary condensation filter 3, but leaves a certain gap with the shell of the primary condensation filter 3, and the condensation pipeline is convenient to detach, clean and replace.
Detachably is provided with support 7 in the second grade adsorption filter 6, support 7 is in through setting up support stopper 8 on the 6 inner walls of second grade adsorption filter is fixed.
The support 7 is composed of two layers of stainless steel laths, an adsorption filtering material 9 is arranged between the two layers, and the stainless steel laths and the adsorption filtering material 9 are fastened together through fixing screws 10.
The adsorption filtering material 9 can be selected from filter cotton, scouring pad or biochemical cotton.
And a filter element 12 is arranged in the third-stage adsorption filter 11, and the filter element 12 is folded into a corrugated shape and is placed in the third-stage adsorption filter 11 in a cylindrical shape. The material of the filter element 12 is paper, or other materials such as PP (polypropylene), non-woven fabric, felt, cotton yarn, glass fiber and the like.
As shown in fig. 3, a stainless cooling fin 501 is welded and fixed to the condensation duct 5.
The waste gas that produces in carbide furnace 1 gets into one-level condensation filter 3 through setting up in the furnace body first exhaust duct 2 on the one side upper portion in, from the top through whole one-level condensation filter 3, flow from the second exhaust duct 14 of the other end on the one side lower part, be provided with a set of condensation duct 5 in the one-level condensation filter 3, arrange by tens of condensation duct and constitute, the arrangement is through designing in advance, condensation duct 5 has been increased with first exhaust duct 2 at the interval of the pipe mouth on one-level condensation filter jar body 3. In the filtering process, waste gas flows out from first exhaust duct 2 and is constantly cooled down by the condensation through condensation duct 5, and tar in the waste gas produces and piles up together gradually in condensation duct 5 and first exhaust duct 2, and the pipeline mouth of exhaust duct 2 can effectively be avoided to the interval increase, guarantees whole vacuum filtration system's reliability.
The stainless steel cooling fins 501 which ascend spirally are welded and fixed on the condensation pipeline 5, and gaps among fins on each layer are controlled to be 4-6mm, so that when the fins and waste gas are enabled to have enough effective contact area for condensation, the phenomenon that tar blocks the gaps on each layer of the fins due to too dense fins to influence the condensation effect of the condensation pipeline 5 is avoided.
The cooling water passes through inlet channel 4, do not pass through upper portion cavity 18B and the condensation duct 5 of one-level condensation filter 3, directly from last to getting into in the lower part cavity 18A of one-level condensation filter 3 down, get back to the upper portion cavity 18B of one-level condensation filter 3 and discharge by delivery port 17 through condensation duct 5 afterwards, the flow direction of cooling water in condensation duct 5 is by lower supreme, opposite with the flow direction of waste gas in one-level condensation filter 3, condensation filter effect has effectively been strengthened, the filter capacity is improved.
Second grade adsorption filter 6 and one-level condensation filter 3 are equipped with second exhaust duct 14 and carry out the UNICOM to the lower part, are equipped with support 7 in the second grade adsorption filter 6, are equipped with support stopper 8 on the second grade adsorption filter 6 inner wall simultaneously and carry out the rigidity to it, and support 7 front end inserts in the narrow gap between second grade adsorption filter 6 and the support stopper 8. When waste gas enters the secondary adsorption filter 6, the U-shaped internal support 7 effectively increases the contact area of the adsorption and filtration material and the waste gas, and effectively improves the adsorption capacity of harmful substances such as tar. The support stopper 8 prevents the displacement of the inner support 7 in the second-stage adsorption filter tank body 6, and the waste gas directly flows out to block the exhaust pipeline 15 to influence the filtering effect.
The three-stage adsorption filter tank body is internally provided with a paper filter element 12, the paper filter element 12 is folded into a corrugated shape by filter paper and is fixedly placed in the three-stage adsorption filter tank body 11 in a cylindrical shape, and the filtering area of waste gas is increased.
According to the invention, the position of the condensation pipeline, the gap of fins on the condensation pipeline and the inlet and outlet direction of cooling water are adjusted, the effective filtering area of the adsorption filtering material is increased, the blockage caused by tar in waste gas is avoided, and the condensation and adsorption effects of tar are improved, so that the effect of improving the filtering capacity of the whole vacuum filtering system is achieved.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (9)
1. The vacuum filtering system of the graphite heat-conducting film carbonization furnace is characterized by comprising a carbonization furnace (1), a filtering assembly and a vacuum pump (13), wherein an air outlet of the carbonization furnace (1) is connected with an air inlet of the filtering assembly through a first exhaust pipeline (2), and an air outlet of the filtering assembly is connected with the vacuum pump through a fourth exhaust pipeline (16); the filtering component comprises a first-stage condensation filter (3), a second-stage adsorption filter (6) and a third-stage adsorption filter (11) which are arranged in sequence.
2. The graphite heat-conducting membrane carbonization furnace vacuum filtration system according to claim 1, wherein the gas inlet of the primary condensation filter (3) is connected with the gas outlet of the carbonization furnace (1), the gas outlet of the primary condensation filter (3) is connected with the gas inlet of the secondary adsorption filter (6), the gas outlet of the secondary adsorption filter (6) is connected with the gas inlet of the tertiary adsorption filter (11), and the gas outlet of the tertiary adsorption filter (11) is connected with the vacuum pump (13).
3. The vacuum filtering system of the graphite heat-conducting membrane carbonization furnace according to claim 1, wherein a plurality of condensing pipes (5) are arranged in the shell of the primary condensing filter (3), no condensing pipe (5) is arranged at the air inlet and outlet of the primary condensing filter (3), and the overall distribution density of the condensing pipes (5) is as follows: the arrangement density of the air inlets and the air outlets adjacent to the air inlets and the air outlets is sparser than that of other parts.
4. The vacuum filtering system of the graphite heat-conducting membrane carbonization furnace according to the claim 1, characterized in that the condensing pipeline (5) is welded with stainless steel cooling fins (501) which are spirally arranged, and the gap between the adjacent stainless steel cooling fins (501) is 4-6 mm.
5. The vacuum filtering system of the graphite heat-conducting film carbonization furnace according to claim 1, wherein a water inlet pipe (4) is further disposed in the primary condensation filter (3), cooling water directly enters the lower cavity (18A) of the primary condensation filter (3) from top to bottom through the water inlet pipe (4), and returns to the upper cavity (18B) of the primary condensation filter (3) through the condensation pipe (5), and is discharged from a water outlet (17), and the flow direction of the cooling water in the condensation pipe (5) is opposite to the flow direction of the exhaust gas in the primary condensation filter (3).
6. The vacuum filtering system of the graphite heat-conducting membrane carbonization furnace according to the claim 1, characterized in that a bracket (7) is detachably arranged in the secondary adsorption filter (6), and the bracket (7) is fixed by a bracket stopper (8) arranged on the inner wall of the secondary adsorption filter (6).
7. The graphite heat-conducting membrane carbonization furnace vacuum filtration system according to claim 6, wherein the bracket (7) is U-shaped, the free end of the bracket is detachably connected to the inner wall of the secondary adsorption filter (6) and is fixed by the bracket stopper (8), and the U-shaped opening of the bracket (7) faces the air inlet end of the secondary adsorption filter (6).
8. The graphite heat-conducting membrane carbonization furnace vacuum filtration system according to claim 6 or 7, characterized in that the bracket (7) consists of two layers of stainless steel strips, between which an adsorption filter material (9) is arranged and fastened together by means of fixing screws (10).
9. The graphite heat-conducting membrane carbonization furnace vacuum filtration system according to claim 1, wherein a filter element (12) is disposed in the three-stage adsorption filter (11), and the filter element (12) is folded into a corrugated shape and disposed in the three-stage adsorption filter (11) in a cylindrical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111061973.2A CN113694680B (en) | 2021-09-10 | 2021-09-10 | Graphite heat conduction membrane carbonization furnace vacuum filtration system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111061973.2A CN113694680B (en) | 2021-09-10 | 2021-09-10 | Graphite heat conduction membrane carbonization furnace vacuum filtration system |
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| Publication Number | Publication Date |
|---|---|
| CN113694680A true CN113694680A (en) | 2021-11-26 |
| CN113694680B CN113694680B (en) | 2023-11-28 |
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| JPH07258654A (en) * | 1994-03-18 | 1995-10-09 | Nippon Steel Corp | Method for preventing tar from condensing at kiln top of shaft kiln |
| JP2001137638A (en) * | 1999-11-16 | 2001-05-22 | Masayuki Kokado | Melting furnace waste gas treating method |
| JP2010104960A (en) * | 2008-10-31 | 2010-05-13 | Koyo Thermo System Kk | Apparatus for treating exhaust gas |
| US20140238642A1 (en) * | 2013-02-26 | 2014-08-28 | Pratt & Whitney Canada Corp. | Heat exchange device and method |
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| CN208161301U (en) * | 2018-04-04 | 2018-11-30 | 苏州迈途环保设备有限公司 | A kind of activated carbon adsorber |
| CN212133332U (en) * | 2020-04-26 | 2020-12-11 | 安徽恒炭新材料科技有限公司 | Carbide furnace filtration system is used in graphite film preparation |
-
2021
- 2021-09-10 CN CN202111061973.2A patent/CN113694680B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07258654A (en) * | 1994-03-18 | 1995-10-09 | Nippon Steel Corp | Method for preventing tar from condensing at kiln top of shaft kiln |
| JP2001137638A (en) * | 1999-11-16 | 2001-05-22 | Masayuki Kokado | Melting furnace waste gas treating method |
| JP2010104960A (en) * | 2008-10-31 | 2010-05-13 | Koyo Thermo System Kk | Apparatus for treating exhaust gas |
| US20140238642A1 (en) * | 2013-02-26 | 2014-08-28 | Pratt & Whitney Canada Corp. | Heat exchange device and method |
| CN106590765A (en) * | 2016-12-09 | 2017-04-26 | 大连理工大学 | High-temperature tar recovery system |
| CN208161301U (en) * | 2018-04-04 | 2018-11-30 | 苏州迈途环保设备有限公司 | A kind of activated carbon adsorber |
| CN212133332U (en) * | 2020-04-26 | 2020-12-11 | 安徽恒炭新材料科技有限公司 | Carbide furnace filtration system is used in graphite film preparation |
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| Title |
|---|
| 丁启圣 等编著: "《新型实用过滤技术(第4版)》", 冶金工业出版社, pages: 876 - 877 * |
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