CN214915903U - Fixed bed reactor for low-boiling treatment process - Google Patents
Fixed bed reactor for low-boiling treatment process Download PDFInfo
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- CN214915903U CN214915903U CN202120624638.8U CN202120624638U CN214915903U CN 214915903 U CN214915903 U CN 214915903U CN 202120624638 U CN202120624638 U CN 202120624638U CN 214915903 U CN214915903 U CN 214915903U
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- liquid
- cloth liquid
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- reaction bed
- treatment process
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000009835 boiling Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 83
- 238000006243 chemical reaction Methods 0.000 claims abstract description 54
- 239000003054 catalyst Substances 0.000 claims abstract description 33
- 238000003825 pressing Methods 0.000 claims abstract description 21
- 238000009826 distribution Methods 0.000 claims description 30
- 239000004744 fabric Substances 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 23
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000010924 continuous production Methods 0.000 abstract description 3
- 241001233242 Lontra Species 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000007323 disproportionation reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- KTQYJQFGNYHXMB-UHFFFAOYSA-N dichloro(methyl)silicon Chemical compound C[Si](Cl)Cl KTQYJQFGNYHXMB-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- JLUFWMXJHAVVNN-UHFFFAOYSA-N methyltrichlorosilane Chemical compound C[Si](Cl)(Cl)Cl JLUFWMXJHAVVNN-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a fixed bed reactor used in a low boiling treatment process, which comprises a reaction bed shell, wherein the top of the reaction bed shell is communicated with a liquid inlet pipe, the bottom of the reaction bed shell is communicated with a liquid outlet pipe, a filter layer, a liquid distributor and a catalyst layer are arranged in the reaction bed shell from top to bottom, and a pressing screen plate is pressed on the top of the catalyst layer; compared with the prior art, the utility model, the material is guided into the reaction bed shell from the liquid inlet pipe at the top of the reaction bed shell, the reaction is completed after the material passes through the filter layer, the liquid distributor and the catalyst layer in sequence, and then the material is discharged from the liquid outlet pipe at the bottom of the reaction bed shell, so as to carry out continuous production and improve the working efficiency; impurities mixed in the materials are filtered through the filter layer, and then the materials are uniformly distributed in the catalyst layer through the liquid distributor, so that the reaction efficiency is greatly improved; meanwhile, the catalyst in the catalyst layer is compacted by the pressing screen plate, and the amount of the catalyst in the same volume is increased, so that the reaction efficiency is further improved.
Description
Technical Field
The utility model relates to a fixed reaction bed technical field, concretely relates to fixed bed reactor for among low boiling treatment process.
Background
The fixed bed reactor is characterized in that a granular solid catalyst or a solid reactant is filled in the reactor to form a stacked bed layer with a certain height, and a gas or liquid material flows through a static fixed bed layer through a granular gap to realize a heterogeneous reaction process. The reactor is characterized in that solid particles filled in the reactor are fixed, and the reactor is different from a moving bed and a fluidized bed in which solid materials move in the reactor, and is also called a packed bed reactor.
In the process of carrying out disproportionation reaction on three materials, namely tetramethylsilane, monomethyldichlorosilane and monomethyltrichlorosilane, under the action of a catalyst, an adopted reaction container is generally a fixed bed reactor, the reaction is carried out through intermittent production and only through a catalyst layer in the fixed bed reactor, the reaction efficiency is low, and the catalyst layer is blocked by impurities mixed in the materials in a short time, so that the reaction efficiency is further reduced.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the prior art, the utility model aims to provide a fixed bed reactor for among the low processing technology that boils to among the solution prior art, fixed bed reactor's the problem that reaction efficiency is low.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a fixed bed reactor for low boiling treatment process comprises a reaction bed shell, wherein the top of the reaction bed shell is communicated with a liquid inlet pipe, the bottom of the reaction bed shell is communicated with a liquid outlet pipe, a filter layer, a liquid distributor and a catalyst layer are arranged in the reaction bed shell from top to bottom, and a pressing screen plate is arranged on the top of the catalyst layer in a pressing mode.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the fixed bed reactor used in the low-boiling treatment process leads materials into the reaction bed shell from the liquid inlet pipe at the top of the reaction bed shell, completes the reaction after sequentially passing through the filter layer, the liquid distributor and the catalyst layer, and then discharges the materials from the liquid outlet pipe at the bottom of the reaction bed shell so as to carry out continuous production and improve the working efficiency;
2. impurities mixed in the materials are filtered through the filter layer, and then the materials are uniformly distributed in the catalyst layer through the liquid distributor, so that the reaction efficiency is greatly improved;
3. the catalyst in the catalyst layer is compressed under the action of the gravity of the pressing screen plate, so that a flow channel formed in the catalyst layer is increased, and the reaction efficiency is improved; meanwhile, the amount of the catalyst in the same volume is increased, so that the reaction efficiency is further improved.
Drawings
Fig. 1 is a schematic flow chart according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
fig. 4 is a partially enlarged view of a portion B in fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments:
reference numerals in the drawings of the specification include: the device comprises a reaction bed shell 1, a liquid inlet pipe 2, a liquid outlet pipe 3, a filter layer 4, a liquid distributor 5, a catalyst layer 6, a pressing screen plate 7, a supporting plate 51, a liquid distribution pipe 52, a vertical connecting strip 53, a liquid distribution block 54, a supporting block 8, a positioning column 9, a mounting groove 10 and an arc-shaped pressing column 11.
Combine fig. 1 and fig. 2, the embodiment of the utility model provides a fixed bed reactor for among low boiling treatment process is proposed, including reaction bed casing 1, 1 top intercommunication of reaction bed casing has feed liquor pipe 2, and 1 bottom intercommunication of reaction bed casing has drain pipe 3, and filter layer 4, liquid distributor 5 and catalysis layer 6 have been arranged to top-down in the reaction bed casing 1, and 6 tops at catalysis layer are pressed and are equipped with pressing otter board 7.
The fixed bed reactor used in the low-boiling treatment process leads materials into the reaction bed shell 1 from the liquid inlet pipe 2 at the top of the reaction bed shell 1, completes the reaction after sequentially passing through the filter layer 4, the liquid distributor 5 and the catalyst layer 6, and then discharges the materials from the liquid outlet pipe 3 at the bottom of the reaction bed shell 1 so as to carry out continuous production and improve the working efficiency; impurities mixed in the materials are filtered by the filter layer 4, and then the materials are uniformly distributed in the catalyst layer 6 by the liquid distributor 5, so that the reaction efficiency is greatly improved; the catalyst in the catalyst layer 6 is compressed under the action of the gravity of the pressing screen plate 7, and a flow channel formed in the catalyst layer 6 is increased, so that the reaction efficiency is improved; meanwhile, the amount of the catalyst in the same volume is increased, so that the reaction efficiency is further improved.
With reference to fig. 2 and 3, according to another embodiment of the present invention, a fixed bed reactor for low boiling treatment process further comprises optimizing the structure of the liquid distributor 5, the adopted liquid distributor 5 comprises a support plate 51 connected with the inner wall of the reaction bed housing 1 through a plurality of locking positioning members, a plurality of liquid distribution pipes 52 are evenly distributed on the support plate 51, each liquid distribution pipe 52 is communicated with the top and bottom spaces of the support plate 51, and the bottom of the support plate 51 is connected with a plurality of liquid distribution branches staggered with the liquid distribution pipes 52, and liquid distribution channels on the plurality of liquid distribution branches are respectively located below the liquid discharge ports of the corresponding liquid distribution pipes 52.
In the present embodiment, the supporting plate 51 serves as a supporting main body of the liquid distributor 5, and the liquid distribution is performed once through the plurality of liquid distribution pipes 52 and performed twice through the plurality of liquid distribution branches, so that the material can be uniformly distributed in the catalyst layer 6 for efficient disproportionation reaction.
Specifically, each adopted liquid distribution branch comprises a vertical connecting strip 53 connected with the bottom of the supporting disc 51 and a plurality of liquid distribution blocks 54 connected to the vertical connecting strip 53, the liquid distribution blocks 54 are arranged on two sides of the vertical connecting strip 53 in a staggered mode from top to bottom, the liquid distribution blocks 54 are located below the liquid distribution pipes 52 adjacent to the vertical connecting strip 53, each liquid distribution block 54 is obliquely and downwards arranged, and the liquid discharge ports of the liquid distribution pipes 52 adjacent to the vertical connecting strip 53 are located right above the middle parts of the corresponding liquid distribution blocks 54.
A plurality of liquid distribution blocks 54 are connected with the supporting disc 51 through the vertical connecting strips 53, and materials led out from the liquid distribution pipe 52 are dispersed to two sides of the vertical connecting strips 53 along the axial direction through the liquid distribution mode of each liquid distribution block 54 so as to improve the distribution uniformity of the materials in the catalytic layer 6.
And each liquid distribution pipe 52 comprises a funnel-shaped pipe section and a straight pipe section which are sequentially communicated from top to bottom, and the straight pipe section is communicated with the small-opening end of the funnel-shaped pipe section.
The funnel-shaped pipe section of the liquid distribution pipe 52 is used for rapidly collecting material liquid, then the material liquid is guided by the straight pipe section and has a certain pressurization effect, so that the material liquid collides with the liquid distribution block 54, the scattering capability of the material liquid is improved, and the distribution uniformity of the material liquid in the catalyst layer 6 is further improved.
In the present embodiment, the number of the cloth fluid blocks 54 connected to each vertical connecting strip 53 is two, which reduces the cost while satisfying the demand.
As shown in fig. 3, according to another embodiment of the present invention, the fixed bed reactor for low boiling treatment process further comprises a locking positioning member, each locking positioning member comprises a supporting block 8 connected to the inner wall of the reaction bed housing 1 by a bolt, and the top of the supporting block 8 abuts against the bottom of the supporting plate 51.
The supporting plate 51 is supported by the supporting block 8, so that the liquid distributor 5 is fixed; the supporting block 8 is connected with the inner wall of the reaction bed shell 1 by bolts to facilitate installation or disassembly.
In order to further improve the installation stability of the liquid distributor 5, a positioning groove is formed in the top of each supporting block 8, and a positioning column 9 connected with the bottom of the supporting plate 51 is embedded in each positioning groove.
The liquid distributor 5 can be stably arranged in the reaction bed shell 1 through the matching of the positioning column 9 and the positioning groove; and meanwhile, the liquid distributor 5 is accurately positioned when being installed.
In this embodiment, the supporting blocks 8 are all designed as "L" shaped blocks, the vertical sections of the "L" shaped blocks pass through the bolts and the inner wall of the reaction bed shell 1, the horizontal sections of the "L" shaped blocks are located at the tops of the "L" shaped blocks, and the positioning grooves are formed at the tops of the horizontal sections of the "L" shaped blocks; through rational in infrastructure design to supporting shoe 8 to satisfy actual installation demand.
Combine fig. 2 and fig. 4, according to the utility model discloses a further embodiment, a fixed bed reactor for among low boiling treatment process still includes to open on reaction bed casing 1 inner wall has two mounting grooves 10 that are located the suppression otter board 7 top, and two mounting grooves 10 are arranged in opposite directions, and is provided with the arc in every mounting groove 10 and compresses tightly post 11, and the arc compresses tightly the one end of post 11 and mounting groove 10 inner wall is articulated, and the other end offsets with suppression otter board 7 top.
The arc-shaped pressing columns 11 in the two mounting grooves 10 are rotated to enable the arc-shaped pressing columns 11 to be abutted against the top of the pressing screen plate 7, so that the density of the catalyst in the catalyst layer 6 in a unit area is further improved, and the reaction efficiency is further improved; compress tightly post 11 with two arcs and all change over into corresponding mounting groove 10 in, make two arcs compress tightly post 11 and break away from the counterbalance with pressing otter board 7 top, and the arc compresses tightly in post 11 all changes over into corresponding mounting groove 10 completely to in dismantling or installing pressing otter board 7.
A handle post may be attached to each arc compression post 11 to facilitate adjustment of the arc compression posts 11.
The catalyst layer 6 used in the present embodiment is formed by stacking a catalyst of aluminum trichloride.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. A fixed bed reactor used in a low-boiling treatment process is characterized by comprising a reaction bed shell, wherein the top of the reaction bed shell is communicated with a liquid inlet pipe, the bottom of the reaction bed shell is communicated with a liquid outlet pipe, a filter layer, a liquid distributor and a catalyst layer are arranged in the reaction bed shell from top to bottom, and a pressing screen plate is arranged on the top of the catalyst layer in a pressing mode.
2. A fixed bed reactor for use in a low boiling treatment process in accordance with claim 1, wherein: the liquid distributor includes the supporting disk that links to each other through a plurality of locking setting elements and reaction bed shells inner wall, and the equipartition has a plurality of cloth liquid pipes on the supporting disk, and every cloth liquid pipe all communicates the top of supporting disk and the space of bottom, and the bottom of supporting disk is connected with a plurality of cloth liquid branches with cloth liquid pipe staggered arrangement, and the cloth liquid passageway on a plurality of cloth liquid branches is located the leakage fluid dram below of the cloth liquid pipe that corresponds respectively.
3. A fixed bed reactor for use in a low boiling treatment process according to claim 2, wherein: every cloth liquid branch all includes the vertical connecting strip that links to each other with the supporting disk bottom and connects a plurality of cloth liquid pieces on vertical connecting strip, and a plurality of cloth liquid pieces top-down staggered arrangement are in the both sides of vertical connecting strip, and a plurality of cloth liquid pieces all are located the cloth liquid pipe below adjacent with vertical connecting strip, and every cloth liquid piece all inclines to arrange downwards and is located the cloth liquid piece middle part that corresponds with the leakage fluid dram of the cloth liquid pipe that vertical connecting strip is adjacent.
4. A fixed bed reactor for use in a low boiling treatment process according to claim 2, wherein: each locking setting element all includes the supporting shoe through bolted connection with reaction bed shell inner wall, and the supporting shoe top offsets with the supporting disk bottom.
5. A fixed bed reactor for use in a low boiling treatment process according to claim 4, wherein: and a positioning groove is formed in the top of each supporting block, and a positioning column connected with the bottom of the supporting disk is embedded in each positioning groove.
6. A fixed bed reactor for use in a low boiling treatment process according to claim 5, wherein: two mounting grooves above the pressing screen plate are formed in the inner wall of the shell of the reaction bed and are arranged in opposite directions, an arc-shaped pressing column is arranged in each mounting groove, one end of each arc-shaped pressing column is hinged to the inner wall of each mounting groove, and the other end of each arc-shaped pressing column is abutted to the top of the corresponding pressing screen plate.
7. A fixed bed reactor for use in a low boiling treatment process according to claim 2, wherein: each liquid distribution pipe comprises a funnel-shaped pipe section and a straight pipe section which are sequentially communicated from top to bottom, and the straight pipe section is communicated with the small-opening end of the funnel-shaped pipe section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120624638.8U CN214915903U (en) | 2021-03-26 | 2021-03-26 | Fixed bed reactor for low-boiling treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120624638.8U CN214915903U (en) | 2021-03-26 | 2021-03-26 | Fixed bed reactor for low-boiling treatment process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214915903U true CN214915903U (en) | 2021-11-30 |
Family
ID=79039464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120624638.8U Active CN214915903U (en) | 2021-03-26 | 2021-03-26 | Fixed bed reactor for low-boiling treatment process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214915903U (en) |
-
2021
- 2021-03-26 CN CN202120624638.8U patent/CN214915903U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Fixed Bed Reactor for Low Boiling Treatment Process Effective date of registration: 20231009 Granted publication date: 20211130 Pledgee: Hubei Jintai Financing Guarantee Co.,Ltd. Pledgor: YICHANG XINGYUE NEW MATERIAL Co.,Ltd. Registration number: Y2023980060303 |