CN108772026B - Gas distributor for gas-solid catalytic tower reactor - Google Patents
Gas distributor for gas-solid catalytic tower reactor Download PDFInfo
- Publication number
- CN108772026B CN108772026B CN201810656379.XA CN201810656379A CN108772026B CN 108772026 B CN108772026 B CN 108772026B CN 201810656379 A CN201810656379 A CN 201810656379A CN 108772026 B CN108772026 B CN 108772026B
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- CN
- China
- Prior art keywords
- support rod
- distributor
- gas
- gas distribution
- hole
- Prior art date
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- 239000007787 solid Substances 0.000 title claims abstract description 14
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 9
- 238000009826 distribution Methods 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 210000004907 gland Anatomy 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 4
- 238000012546 transfer Methods 0.000 abstract description 10
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 28
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000007705 chemical test Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00796—Details of the reactor or of the particulate material
- B01J2208/00893—Feeding means for the reactants
- B01J2208/0092—Perforated plates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention relates to a gas distributor for a gas-solid catalytic tower reactor. The distributor comprises a distributor main body, wherein the lower end of the distributor main body is connected with a T-shaped supporting rod; the distributor main body comprises a distributing plate, a gas distribution seat and a gland, wherein the distributing plate is arranged at the upper end of the gas distribution seat, a sealing ring is sleeved on the gas distribution seat, and the gland is fixed on the gas distribution seat through a compression bolt and extrudes the sealing ring through an adjusting compression bolt; the T-shaped support rod comprises a hole-type support rod and a support rod, wherein the lower end of the support rod is provided with a threaded structure matched with the distributor support and is provided with a locking nut, the support rod is provided with a cleaning port communicated with an inner hole of the support rod, the hole-type support rod is welded at the upper end of the support rod, and the hole-type support rod is fixedly arranged on the pressing cover through a bolt. According to the invention, the tension of the sealing ring is regulated by regulating the compression bolt, so that the distributor main body is tightly combined with the reactor cylinder, the gas-solid contact area is increased, the gas distribution uniformity is good, the mass transfer and heat transfer efficiency is high, the fluid short circuit caused by gas leakage is avoided, and the installation and the disassembly are convenient.
Description
Technical Field
The invention relates to the technical field of chemical test equipment, in particular to a gas distributor for a gas-solid catalytic tower reactor.
Background
The development of the whole organic chemical industry is improved, the research and development and improvement of a novel catalyst play a role in promoting the vigorous development of the chemical industry, the organic synthesis gas solid catalytic reaction is an important branch of the chemical industry, the reaction performance and the cost of the catalyst become important matters concerned in the production of enterprises, a large amount of scientific research institutions and enterprises invest huge funds to research, develop and improve the catalyst each year, and the investment of catalyst evaluation equipment accounts for more than 50% of the total investment in the early stage.
The type inspection before the catalytic mass production and the reaction performance evaluation before the industrialized use directly promote the research and the development and the production of a high-performance test device, a gas distributor is used as an important part of the gas-solid heterogeneous catalytic reaction device, and the distributor can be structurally divided into the following types according to the selected materials including a wire mesh, a powder micropore metallurgical plate, a micropore ceramic distribution plate, a powder filler and the like: the split clamping type and the piston type are fixed, but all have the following problems: (1) inconvenient installation, cleaning and replacement and difficult deslagging; (2) The flow resistance of the distributor is difficult to control, and the air distribution uniformity is poor; (3) The air flow through surface of the distributor is small, a reaction dead zone exists, and hot spots exist in the test process; (4) The connection reliability of the distributor body and the reactor is poor, the sealing is difficult, the air leakage and the material leakage are serious; (5) The material has poor dielectric resistance, short service life and high use and maintenance cost; participating in the reaction, and seriously interfering with the test result; (6) The distributor main body has short service life, high aperture control difficulty and prominent blanking or pore canal blocking phenomenon.
Disclosure of Invention
The invention aims to solve the problems, and thus provides the gas distributor for the gas-solid catalytic tower reactor, which has the advantages of simple structure, convenient disassembly and assembly, good sealing performance, uniform gas distribution, high mass transfer and heat transfer efficiency and gas short circuit avoidance.
The invention solves the problems, and adopts the following technical scheme:
A gas distributor for a gas-solid catalytic tower reactor comprises a distributor main body, wherein the lower end of the distributor main body is connected with a T-shaped supporting rod; the distributor main body comprises a distributing plate, a gas distribution seat and a gland, wherein the distributing plate is arranged at the upper end of the gas distribution seat, a sealing ring matched with the reactor cylinder body is sleeved on the gas distribution seat, and the gland is fixed on the gas distribution seat through a compression bolt and extrudes the sealing ring through an adjusting compression bolt; the T-shaped support rod comprises a hole-type support rod and a support rod, wherein the support rod is of a hollow structure, the lower end of the support rod is provided with a threaded structure matched with the distributor support and is provided with a locking nut, the support rod is provided with a cleaning port communicated with an inner hole of the support rod, and the hole-type support rod is welded at the upper end of the support rod and fixedly mounted on the pressure cover through a bolt.
Compared with the prior art, the invention adopting the technical scheme has the outstanding characteristics that:
The distributor main body is tightly combined with the reactor cylinder body by adjusting the tension of the sealing ring through the compression bolt, the gas-solid contact area is improved, the gas distribution uniformity is good, the mass transfer and heat transfer efficiency is high, the fluid short circuit caused by gas leakage is avoided, the installation and the disassembly are convenient, the distribution plate and the distributor main body are connected through the compression bolt, the whole structure is simple, the applicability is strong, the distribution plate is convenient to disassemble, the replacement is time-saving and labor-saving, the structure of the distributor main body is optimized, the flow area is improved, and the reaction dead zone is reduced.
Preferably, the invention further adopts the technical scheme that:
The distribution plate is connected with the air distribution seat through a threaded compression structure or a welding mode.
The distribution plate is a porous structure formed by inert materials at one time, has moderate flow resistance, uniform gas distribution and long service life, eliminates the interference of the materials and the structures of the distributor on the evaluation result, and improves the reproducibility of the evaluation result.
The sealing rings are arranged in a plurality, and a spacing ring is arranged between the sealing rings.
The hole type rod support is of a circular plate type porous structure, and the aperture is 3-5mm.
Drawings
FIG. 1 is a schematic view of a distributor body according to an embodiment of the present invention;
FIG. 2 is a schematic view showing the structure of a T-shaped support bar according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a usage status structure according to an embodiment of the present invention;
FIG. 4 is a schematic view of the connection of the T-shaped support bar to the distributor support in the quick-release unloader assembly of the reactor according to an embodiment of the present invention;
In the figure: a distributor body 1; a quick-opening tripper assembly 2; a stay bar 3; a distributor support 4; a distribution plate 5; a gas distribution seat 6; a seal ring 7; a spacer ring 8; a gland 9; a compression bolt 10; a fixing bolt 11; a hole-type rod rest 12; a round hole 13; an inner bore 14; a purge port 15; a lock nut 16; a thread structure 17; a reactor cylinder 18.
The specific embodiment is as follows:
The invention is further described below in connection with the following examples which are provided for the purpose of better understanding of the present invention and are, therefore, not to be construed as limiting the scope of the invention.
Referring to fig. 1,2, 3 and 4, a gas distributor for a gas-solid catalytic tower reactor comprises a distributor main body 1, wherein the lower end of the distributor main body 1 is connected with a T-shaped supporting rod; the distributor main body 1 comprises a distributing plate 5, a gas distribution seat 6 and a gland 9, wherein the distributing plate 5 is arranged at the upper end of the gas distribution seat 6, a sealing ring 7 matched with a reactor cylinder 18 is sleeved on the gas distribution seat 6, and the gland 9 is fixed on the gas distribution seat 6 through a compression bolt 10 and extrudes the sealing ring 7 through adjusting the compression bolt 10; the T-shaped support rod comprises a hole-type support rod 12 and a support rod 3, the support rod 3 is of a hollow structure, a threaded structure 17 matched with the distributor support 4 is arranged at the lower end of the support rod 3, a lock nut 16 is arranged at the lower end of the support rod, the lock nut 16 is used for fixedly connecting the support rod 3 with the distributor support 4 of the reactor, a cleaning outlet 15 communicated with an inner hole 14 of the support rod 3 is arranged on the support rod 3, the hole-type support rod 12 is welded at the upper end of the support rod 3, and the support rod is fixedly arranged on a gland 9 through a fixing bolt 11.
The distribution plate 5 is connected with the air distribution seat 6 through a screw thread pressing structure or a welding mode.
The distribution plate 5 is a porous structure formed by inert materials at one time, the aperture of the round holes 13 is 5-15 mu m, the circulation resistance is moderate, the gas distribution is uniform, the service life is long, the interference of the distributor materials and structures on the evaluation result is eliminated, and the reproducibility of the evaluation result is improved.
The sealing rings 7 are arranged in plurality, the spacing rings 8 are arranged between the sealing rings 7, the sealing rings are made of inert flexible graphite materials, and the radial deformation of the sealing rings can be regulated by the tightness of the compression bolts 10, so that the purpose of reliable sealing in work is achieved.
The hole type rod support 12 is of a circular plate type porous structure, the aperture is 3-5mm, the hole type rod support 12 is a main fluid channel, and the hole type rod support 12 is connected with the stay bar 3 in a welding mode to form a whole and then is firmly integrated with the distributor body through screw holes 13 and fixing bolts 11.
The gas distribution seat 6 and the spacing ring 8 are made of 304L or 316L stainless steel.
The device is connected with a distributor support 4 in a quick-opening discharger component 2 of a reactor through a thread structure 17 at the lower end of a stay bar 3 during operation, is integrally pushed in from the bottom of a reactor cylinder 18, and enables a sealing ring 7 to radially expand to play a sealing role by adjusting the gap between a gas distribution seat 6 and a gland 9 through a compression bolt 10, so that the short circuit of reaction gas caused by the gap between a gas distributor and the reactor cylinder 18 is prevented, the close contact of gas and solid is achieved, and the heat transfer and mass transfer efficiency is improved.
The distributor disclosed by the invention has the advantages that the tension of the sealing ring 7 is regulated through the regulating compression bolt 10 to tightly combine the distributor body with the reactor cylinder 18, the gas-solid contact area is improved, the gas distribution uniformity is good, the mass transfer and heat transfer efficiency is high, the fluid short circuit caused by gas leakage is avoided, the installation and the disassembly are convenient, the distribution plate 5 and the distributor body are connected through the compression bolt 10, the whole structure is simple, the applicability is strong, the disassembly of the distribution plate 5 is convenient, the replacement is time-saving and labor-saving, the structure of the distributor body is optimized, the flow area is improved, and the reaction dead zone is reduced.
The foregoing description of the preferred embodiments of the invention is not intended to limit the scope of the claims, but rather to cover all equivalent modifications within the scope of the present invention as defined by the appended claims.
Claims (1)
1. A gas distributor for a gas-solid catalytic tower reactor comprising a distributor body, characterized in that: the lower end of the distributor main body is connected with a T-shaped supporting rod; the distributor main body comprises a distributing plate, a gas distribution seat and a gland, wherein the distributing plate is arranged at the upper end of the gas distribution seat, a sealing ring matched with the reactor cylinder body is sleeved on the gas distribution seat, and the gland is fixed on the gas distribution seat through a compression bolt and extrudes the sealing ring through an adjusting compression bolt; the T-shaped support rod comprises a hole-type support rod and a support rod, wherein the support rod is of a hollow structure, the lower end of the support rod is provided with a threaded structure matched with the distributor support and is provided with a locking nut, the support rod is provided with a cleaning port communicated with an inner hole of the support rod, and the hole-type support rod is welded at the upper end of the support rod and is fixedly arranged on the pressure cover through a bolt;
The distribution plate is connected with the air distribution seat through a thread compression structure or a welding mode;
The distribution plate is a porous structure formed by inert materials at one time;
the plurality of sealing rings are arranged, and spacing rings are arranged between the sealing rings;
the hole type rod support is of a circular plate type porous structure, the aperture is 3-5mm, and the hole type rod support is a main fluid channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810656379.XA CN108772026B (en) | 2018-06-24 | 2018-06-24 | Gas distributor for gas-solid catalytic tower reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810656379.XA CN108772026B (en) | 2018-06-24 | 2018-06-24 | Gas distributor for gas-solid catalytic tower reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108772026A CN108772026A (en) | 2018-11-09 |
| CN108772026B true CN108772026B (en) | 2024-04-26 |
Family
ID=64026318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810656379.XA Active CN108772026B (en) | 2018-06-24 | 2018-06-24 | Gas distributor for gas-solid catalytic tower reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108772026B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3818606A (en) * | 1972-02-16 | 1974-06-25 | Charbonnages De France | Gas supply apparatus for fluidization treatment reactor |
| CN2517483Y (en) * | 2001-11-09 | 2002-10-23 | 株洲硬质合金集团有限公司 | Fluid bed |
| CN2764979Y (en) * | 2005-01-26 | 2006-03-15 | 济南风机厂 | Draught fan sealing device |
| CN1864785A (en) * | 2006-04-24 | 2006-11-22 | 天津大学 | Modularized liquid distributor |
| CN201525884U (en) * | 2009-04-30 | 2010-07-14 | 上海大学 | Plate type gas distributing device |
| CN101975317A (en) * | 2010-10-19 | 2011-02-16 | 无锡市金羊管道附件有限公司 | Stuffing box type compensating joint |
| CN202113844U (en) * | 2011-06-15 | 2012-01-18 | 北京工业大学 | Gas-liquid-phase reaction unit with gas in rotary pulsation distribution |
| CN102886230A (en) * | 2012-10-08 | 2013-01-23 | 中国石油化工集团公司 | CO (carbon monoxide) conversion process adopting tandem isothermal furnaces of saturation tower |
| WO2017072416A1 (en) * | 2015-10-30 | 2017-05-04 | IFP Energies Nouvelles | Column for heat and/or mass exchange between two fluids comprising a collection tray and gas mixing means |
| CN207012954U (en) * | 2017-07-19 | 2018-02-16 | 南通科恩化工技术有限公司 | A kind of gas distributor and organic silicon fluidized bed |
| CN208679100U (en) * | 2018-06-24 | 2019-04-02 | 唐山三友硅业有限责任公司 | Gas distributor for gas-solid body catalysis tower reactor |
-
2018
- 2018-06-24 CN CN201810656379.XA patent/CN108772026B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3818606A (en) * | 1972-02-16 | 1974-06-25 | Charbonnages De France | Gas supply apparatus for fluidization treatment reactor |
| CN2517483Y (en) * | 2001-11-09 | 2002-10-23 | 株洲硬质合金集团有限公司 | Fluid bed |
| CN2764979Y (en) * | 2005-01-26 | 2006-03-15 | 济南风机厂 | Draught fan sealing device |
| CN1864785A (en) * | 2006-04-24 | 2006-11-22 | 天津大学 | Modularized liquid distributor |
| CN201525884U (en) * | 2009-04-30 | 2010-07-14 | 上海大学 | Plate type gas distributing device |
| CN101975317A (en) * | 2010-10-19 | 2011-02-16 | 无锡市金羊管道附件有限公司 | Stuffing box type compensating joint |
| CN202113844U (en) * | 2011-06-15 | 2012-01-18 | 北京工业大学 | Gas-liquid-phase reaction unit with gas in rotary pulsation distribution |
| CN102886230A (en) * | 2012-10-08 | 2013-01-23 | 中国石油化工集团公司 | CO (carbon monoxide) conversion process adopting tandem isothermal furnaces of saturation tower |
| WO2017072416A1 (en) * | 2015-10-30 | 2017-05-04 | IFP Energies Nouvelles | Column for heat and/or mass exchange between two fluids comprising a collection tray and gas mixing means |
| CN207012954U (en) * | 2017-07-19 | 2018-02-16 | 南通科恩化工技术有限公司 | A kind of gas distributor and organic silicon fluidized bed |
| CN208679100U (en) * | 2018-06-24 | 2019-04-02 | 唐山三友硅业有限责任公司 | Gas distributor for gas-solid body catalysis tower reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108772026A (en) | 2018-11-09 |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 063305 Nanpu Development Zone, Hebei, Tangshan City Applicant after: Tangshan Sanyou Silicon Industry Co.,Ltd. Address before: 063305 Nanpu Development Zone, Hebei, Tangshan City Applicant before: SANYOU SILICON INDUSTRY Co.,Ltd. |
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| GR01 | Patent grant |