CN219765352U - membrane reactor - Google Patents
membrane reactor Download PDFInfo
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- CN219765352U CN219765352U CN202321357982.0U CN202321357982U CN219765352U CN 219765352 U CN219765352 U CN 219765352U CN 202321357982 U CN202321357982 U CN 202321357982U CN 219765352 U CN219765352 U CN 219765352U
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- reactor shell
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- 239000012528 membrane Substances 0.000 title claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000011148 porous material Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 3
- 238000006722 reduction reaction Methods 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 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
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a membrane reactor, which relates to the technical field of chemical reaction equipment and aims to solve the problems that when the traditional reaction kettle is used for a catalyst reduction reaction, the traditional reaction kettle is easy to block, difficult to amplify and difficult to integrate, and the reaction efficiency is low so as to cause excessive consumption of reaction medicament, and the membrane reactor comprises a reactor shell and a multi-layer diaphragm plate arranged in the reactor shell, wherein the reactor shell is a vertical cavity, and the top of the reactor shell is provided with a feed inlet and the bottom of the reactor shell is provided with a discharge outlet; the diaphragm plate comprises a first flexible plate structure layer and a second flexible plate structure layer from top to bottom, wherein the odd number layer is a first flexible plate structure layer, the even number layer is a second flexible plate structure layer, the first flexible plate structure layer comprises a plurality of first layer tapered holes, the second flexible plate structure layer comprises a plurality of second layer tapered holes, the first layer tapered holes and the second layer tapered Kong Cuola are distributed, and the larger pore diameter sides of the two layers of tapered holes are closer to the top of the shell; the diaphragm plate is made of flexible materials.
Description
Technical Field
The utility model relates to the field of chemical reaction equipment, in particular to the technical field of membrane reactors.
Background
The gas-liquid reaction and the liquid-liquid reaction belong to common reactions in the chemical production process, the gas-liquid reaction generally occurs in a reaction kettle, and the principle of the gas-liquid reaction is that reaction gas and reaction liquid are fully contacted, and under certain reaction conditions, the gas-liquid reaction occurs to generate a target compound. The gas phase material is introduced into the bottom of the reaction vessel through the air inlet pipeline and is stirred by the stirring paddle, so that the gas phase material and the liquid phase material are uniformly mixed for reaction.
The reaction kettle is a common chemical equipment and comprises a barrel, a cavity is arranged in the barrel, a stirrer is arranged in the cavity, a gas phase introduction port and a liquid phase introduction port are arranged on the barrel, and a jacket is arranged on some reaction kettles for heating and cooling the barrel. During operation, reactants are introduced into the cavity of the cylinder body, and the reactants are promoted to fully react by stirring, so that a preset target product is obtained.
However, when the existing reaction kettle is used for the reduction reaction of the catalyst, the problems of easy blockage, difficult amplification, difficult integration, low reaction efficiency and excessive consumption of reaction reagents are often caused.
Disclosure of Invention
The utility model aims at: in order to solve the problems that the existing reaction kettle is easy to block, difficult to amplify and integrate and the reaction efficiency is low so that the consumption of a reaction reagent is excessive when the existing reaction kettle is used for a catalyst reduction reaction, the membrane reactor is provided, and is used as an intermediate device for re-reaction after the traditional gas-liquid reaction and liquid-liquid reaction.
The utility model adopts the following technical scheme for realizing the purposes:
a membrane reactor comprises a reactor shell and a plurality of layers of membrane plates arranged in the reactor shell,
the reactor shell is a vertical cavity, and the top of the reactor shell is provided with a feed inlet, and the bottom of the reactor shell is provided with a discharge outlet;
the diaphragm plate comprises a first flexible plate structure layer and a second flexible plate structure layer from top to bottom, wherein the odd number layer is a first flexible plate structure layer, the even number layer is a second flexible plate structure layer, the first flexible plate structure layer comprises a plurality of first layer tapered holes, the second flexible plate structure layer comprises a plurality of second layer tapered holes, the first layer tapered holes and the second layer tapered Kong Cuola are distributed, and the larger pore diameter sides of the two layers of tapered holes are closer to the top of the shell;
the diaphragm plate is made of flexible materials.
As an optional technical scheme, one end of the feed inlet outside the reactor shell is connected with a gas-liquid reaction kettle or a discharge port of the liquid-liquid reaction kettle, and one end inside the reactor shell is connected with a shower head.
As an optional technical scheme, the shower head comprises a feeding chamber and a shower head spraying assembly
As an optional technical solution, the reactor further comprises a gas inlet, and the gas inlet is openably and closably arranged in the reactor shell.
As an alternative solution, the number of gas inlets is 2, and the gas inlets are symmetrically arranged on the central axis of the top of the reactor shell.
As an optional technical scheme, the device further comprises a gas inlet, and the gas inlet is arranged in the feeding chamber in an openable and closable manner.
As an alternative solution, the thickness of the diaphragm plate is 1.5-3mm.
As an alternative technical scheme, the upper aperture of the conical hole is 3.5-4.5mm, and the lower aperture is 2-3mm.
As an alternative solution, the flexible material includes ethylene propylene diene monomer, expanded silica gel, and PTFE.
As an alternative solution, the side wall of the reactor shell is provided with a heating jacket.
The beneficial effects of the utility model are as follows:
1. the reaction efficiency is continuously improved through the scheme, and the final reaction reagent is saved by 30% compared with the traditional reactor;
2. because the adopted flexible material has good anti-scaling performance, the equipment designed by the scheme has the functions of good cleaning-free and maintenance-free;
3. the membrane reactor of this scheme can use with traditional reation kettle is integrated, and area is little, and weight is lighter, and it is convenient to move, and the area requirement to the use place is lower, is favorable to modularization, integration, is convenient for enlarge and realizes industrialization.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of embodiment 4 of the present utility model;
FIG. 3 is a schematic view of the structure of embodiment 3 of the present utility model;
FIG. 4 is a schematic diagram of the distribution of first layer tapered holes and second layer tapered shapes Kong Cuola of the present utility model;
reference numerals: 1-reactor shell, 2-feed inlet, 3-discharge gate, 4-first gentle body plate structural layer, 5-second gentle body plate structural layer, 6-gondola water faucet, 61-feed chamber, 62-gondola water faucet jetting subassembly, 7-gas inlet.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1, the present embodiment provides a membrane reactor comprising a reactor housing 1, and a plurality of membrane plates disposed in the reactor housing 1,
the reactor shell 1 is a vertical cavity, the top of the reactor shell is provided with a feed inlet 2, and the bottom of the reactor shell is provided with a discharge outlet 3;
the diaphragm plate comprises a first flexible plate structure layer 4 and a second flexible plate structure layer 5 from top to bottom, wherein the odd number layer is a first flexible plate structure layer 4, the even number layer is a second flexible plate structure layer 5, the first flexible plate structure layer 4 comprises a plurality of first layer conical holes, the second flexible plate structure layer 5 comprises a plurality of second layer conical holes, the first layer conical holes and the second layer conical holes Kong Cuola are distributed, and the larger pore diameter sides of the two layers of conical holes are closer to the top of the shell;
the diaphragm plate is made of flexible materials.
When the reactor is in specific work, liquid enters the reactor shell 1 from the feed inlet 2, continuously flows in through the first flexible plate structure layer 4 through a plurality of first layer conical holes, enters from the first flexible plate structure layer 4, forms reflux turbulence between the first flexible plate structure layer 4 and the second flexible plate structure layer 5 due to pressure, repeatedly passes through multistage continuous jet-reflux turbulence to achieve the aim of reaction, and finally exits from the discharge outlet 3 to complete a complete reaction;
the main design points are the following two points:
first point: the first layer of conical holes and the second layer of conical holes Kong Cuola are distributed, and the larger pore diameter side of the two layers of conical holes is closer to the top of the reactor shell 1, so that the entering liquid forms cross flow, and a plurality of mixed-cross flow reactions are formed in the reactor shell 1, thereby achieving the purpose of strengthening the reaction;
second point: the diaphragm plate is made of flexible materials, conical holes are formed in the diaphragm plate respectively, the number of the holes is determined according to specific flow, a certain pressure of the pore plate is guaranteed, deformation is formed, and the maximum deformation can be twice the original pore diameter.
Example 2
On the basis of the embodiment 1, one end of the feed inlet 2, which is positioned outside the reactor shell 1, is connected with a discharge port of the gas-liquid reaction kettle or the liquid-liquid reaction kettle, and one end of the feed inlet, which is positioned inside the reactor shell, is connected with the shower head 6. The shower head comprises a feed chamber 61 and a shower head spraying assembly 62;
according to the scheme, after the traditional gas-liquid reaction and the liquid-liquid reaction, the traditional gas-liquid reaction is used as an intermediate device for the secondary pure physical reaction, so that the reaction reagent is saved, and the main problems of excessive reagent and easy lamp blockage caused by the secondary reaction of the traditional reaction kettle are avoided; the feed inlet 2 conveys the liquid that needs the reaction to the feed chamber 61 of gondola water faucet 6, and gondola water faucet 6 rethread gondola water faucet spray assembly 62 sprays liquid to the inside of reactor casing 1, and this part of liquid can be through the even spraying of gondola water faucet spray assembly 62 at first flexplate structural layer 4.
Example 3
In addition to embodiment 1, the reactor further comprises a gas inlet 7, and the gas inlet 7 is openably and closably provided in the reactor housing 1. The number of the gas inlets 7 is 2, and the gas inlets are symmetrically arranged on the central axis at the top of the reactor shell 1;
the solution is to add a pressurizing device on the basis of embodiment 1, wherein the added position is the top of the reactor shell 1, and the pressure can be increased in the cavity above the first flexible plate structure layer 4, so as to increase the flow rate of the liquid.
Example 4
In addition to embodiment 1, the apparatus further comprises a gas inlet 7, wherein the gas inlet 7 is openably and closably provided in the feed chamber 61.
In the scheme, a pressurizing device is added on the basis of the embodiment 1, the adding position is a feeding chamber 61, the pressure in the feeding chamber 61 can be increased, and the flow rate of liquid sprayed into the reactor shell 1 by the shower spray assembly 62 is increased.
Example 5
On the basis of example 1, the diaphragm plate has a thickness of 2.25mm. The upper aperture of the conical hole is 4mm, and the lower aperture of the conical hole is 2.5mm; the flexible material adopts one of ethylene propylene diene monomer, bulked silica gel or PTFE;
through a plurality of field tests, the scheme is that the thickness of the diaphragm plate and the size of the conical hole are determined on the basis of the embodiment 1, so that the reaction efficiency is improved maximally.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. A membrane reactor is characterized by comprising a reactor shell (1) and a plurality of layers of membrane plates arranged in the reactor shell (1),
the reactor shell (1) is a vertical cavity, the top of the reactor shell (1) is provided with a feed inlet (2), and the bottom of the reactor shell is provided with a discharge outlet (3);
the diaphragm plate comprises a first flexible plate structure layer (4) and a second flexible plate structure layer (5) from top to bottom, wherein the odd number layer and the even number layer of the diaphragm plate are arranged on the first flexible plate structure layer (4) and the second flexible plate structure layer (5), the first flexible plate structure layer (4) comprises a plurality of first layer conical holes, the second flexible plate structure layer (5) comprises a plurality of second layer conical holes, the first layer conical holes and the second layer conical holes Kong Cuola are distributed, and one side, with larger pore diameters, of the two layers of conical holes is closer to the top of the shell (1);
the diaphragm plate is made of flexible materials.
2. The membrane reactor according to claim 1, wherein one end of the feed inlet (2) positioned outside the reactor shell (1) is connected with a discharge port of a gas-liquid reaction kettle or a liquid-liquid reaction kettle, and one end positioned inside the reactor shell (1) is connected with a shower head (6).
3. The membrane reactor according to claim 2, characterized in that the shower head (6) comprises a feed chamber (61) and a shower head injection assembly (62).
4. The membrane reactor according to claim 1, further comprising a gas inlet (7), the gas inlet (7) being openably and closably arranged to the reactor housing (1).
5. The membrane reactor according to claim 4, characterized in that the number of gas inlets (7) is 2, symmetrically arranged on the central axis of the top of the reactor shell (1).
6. A membrane reactor according to claim 3, further comprising a gas inlet (7), said gas inlet (7) being openably and closably arranged in said feed chamber (61).
7. The membrane reactor of claim 1, wherein the membrane plate has a thickness of 1.5-3mm.
8. The membrane reactor of claim 1, wherein the tapered holes have an upper pore size of 3.5-4.5mm and a lower pore size of 2-3mm.
9. A membrane reactor according to claim 1, characterized in that the side wall of the reactor shell (1) is provided with a heating jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321357982.0U CN219765352U (en) | 2023-05-31 | 2023-05-31 | membrane reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321357982.0U CN219765352U (en) | 2023-05-31 | 2023-05-31 | membrane reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219765352U true CN219765352U (en) | 2023-09-29 |
Family
ID=88108285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321357982.0U Active CN219765352U (en) | 2023-05-31 | 2023-05-31 | membrane reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219765352U (en) |
-
2023
- 2023-05-31 CN CN202321357982.0U patent/CN219765352U/en active Active
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