CN219185931U - Device for separating and recycling solid catalyst in reaction liquid - Google Patents

Device for separating and recycling solid catalyst in reaction liquid Download PDF

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Publication number
CN219185931U
CN219185931U CN202320539629.8U CN202320539629U CN219185931U CN 219185931 U CN219185931 U CN 219185931U CN 202320539629 U CN202320539629 U CN 202320539629U CN 219185931 U CN219185931 U CN 219185931U
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catalyst
buffer
tank
reaction
separating
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CN202320539629.8U
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袁世刚
姜媛媛
李潜潜
邢晓华
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Shandong Tianyu New Material Technology Co ltd
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Shandong Tianyu New Material Technology Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

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Abstract

The utility model discloses a device for separating and recycling a solid catalyst in a reaction liquid, and relates to the technical field of recycling of solid catalysts. The method comprises a reaction kettle, a buffer liquid tank and a catalyst separation tank, wherein the reaction kettle is used for preparing reaction liquid containing a solid catalyst and is connected with the buffer liquid tank; the buffer solution tank is used for mixing the buffer solution with the reaction solution containing the solid catalyst, and sending the obtained mixed solution into the catalyst separation tank; the catalyst separating tank comprises a tank body, an inlet and an outlet, wherein the inlet is communicated with the buffer tank, and the outlet is communicated with the reaction kettle; a baffle plate is arranged in the tank body, the internal part of the tank body is divided into a catalyst sedimentation area and a buffer area through the baffle plate, and the catalyst sedimentation area is communicated with an outlet. The device can achieve the aim of separating and recycling the solid catalyst in the reaction liquid.

Description

Device for separating and recycling solid catalyst in reaction liquid
Technical Field
The utility model relates to the technical field of recovery of solid catalysts, in particular to a device for separating and recycling the solid catalysts in reaction liquid.
Background
In chemical production processes, there are many cases where a solid catalyst is used to catalyze a reaction, such as friedel-crafts reaction, transesterification reaction, and the like. After these reactions are completed, it is often necessary to separate the solid catalyst before the reaction solution can be further treated. Often, these solid catalysts do not have reduced activity and still have a catalytic effect on the reaction. In the chemical production process, if the solid catalysts can be recycled, the production cost can be reduced to a certain extent, and the generation of solid wastes can be reduced, so that the method can be used at one time. However, the prior art molding apparatus satisfying this need is not so versatile, and therefore, it is necessary to design an apparatus for separating and recycling the solid catalyst in the reaction liquid.
Disclosure of Invention
The utility model aims to provide a device for separating and recycling a solid catalyst in a reaction liquid, which can achieve the aim of separating and recycling the solid catalyst in the reaction liquid.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the device for separating and recycling the solid catalyst in the reaction liquid comprises a reaction kettle, a buffer liquid tank and a catalyst separating tank, wherein the reaction kettle is used for preparing the reaction liquid containing the solid catalyst; and is connected with the buffer liquid tank;
the buffer solution tank is used for mixing the buffer solution with the reaction solution containing the solid catalyst and sending the obtained mixed solution into the catalyst separation tank;
the catalyst separation tank comprises a tank body, an inlet and an outlet, wherein the inlet is communicated with the buffer tank, and the outlet is communicated with the reaction kettle; the internal baffle that is provided with of jar, through the baffle with the internal portion of jar divide into catalyst sedimentation zone and buffer zone, catalyst sedimentation zone and export intercommunication, the buffer zone be located the jar body in other regions except the catalyst sedimentation zone.
The device for separating and recycling the solid catalyst in the reaction liquid comprises a baffle, a first baffle, a second baffle, a third baffle, a fourth baffle, a fifth baffle, a third baffle, a fourth baffle, a fifth baffle, a sixth baffle and a fourth baffle, wherein the starting point of the baffle is the bottom of the tank body and extends along the height direction of the tank body; the catalyst sedimentation area is not communicated with the buffer liquid area in the height range below the baffle.
The device for separating and recycling the solid catalyst in the reaction liquid is characterized in that the tank body is further provided with a gas purging port, gas is purged into the tank body through the gas purging port, and a gas purging valve is arranged on a pipeline connected with the gas purging port.
The device for separating and recycling the solid catalyst in the reaction liquid is characterized in that the upper half part of the tank body is cylindrical, and the lower half part of the tank body is in a reverse truncated cone shape.
The device for separating and recycling the solid catalyst in the reaction liquid is characterized in that a buffer cover is arranged at the tail end of a buffer liquid feeding pipe connected with the inlet.
The device for separating and recycling the solid catalyst in the reaction liquid is characterized in that the buffer cover is V-shaped, and the tail end of the buffer liquid feeding pipe extends into the catalyst sedimentation zone in the tank body.
The device for separating and recycling the solid catalyst in the reaction liquid is characterized in that a pump is connected between the buffer liquid tank and the catalyst separating tank.
The reaction liquid in the buffer liquid zone flows out through a buffer liquid discharge valve arranged on the tank body.
Compared with the prior art, the utility model has the following beneficial technical effects:
the utility model provides a device for separating and recycling a solid catalyst in a reaction liquid, which can realize the separation and recycling of the solid catalyst in the reaction liquid by arranging a reaction kettle, a buffer tank and a catalyst separating tank.
Specifically, after the chemical reaction is completed in the reaction kettle, standing the reaction liquid in the reaction kettle to enable the solid catalyst to be settled. Then the reaction liquid containing the solid catalyst at the bottom of the reaction kettle is sent to a buffer liquid tank and is pumped to a catalyst separation tank. In the catalyst separating tank, the catalyst and the reaction liquid are separated by a baffle plate in the catalyst separating tank. The catalyst with higher density is enriched in the catalyst sedimentation zone, and the reaction liquid in the catalyst sedimentation zone overflows to the buffer zone through the baffle plate. The reaction liquid in the buffer liquid zone flows out through a buffer liquid discharging valve and enters the next working procedure together with the residual reaction liquid in the reaction kettle. And in the next reaction feeding process, the liquid raw material is fed through a raw material feeding port of the catalyst separation tank, and under the action of liquid flow and gas purging, the catalyst in the catalyst sedimentation zone is flushed into the reaction kettle again, so that the catalyst is recycled.
As can be seen from the description of the use mode of the device, the utility model has the function of separating and recycling the solid catalyst in the reaction liquid, and the catalyst separating tank has the advantages of simple structure and remarkable separating effect. The utility model can realize the recovery and reuse of the catalyst, reduce the environmental pollution and has better industrialization value.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of the structure of a catalyst separation tank of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the apparatus for separating and recycling solid catalyst in a reaction liquid according to the present utility model;
in the figure:
1. baffle, 2, buffer inlet pipe, 3, buffer cover, 4, inlet, 5, inlet valve, 6, raw material inlet, 7, raw material inlet valve, 8, gas purge port, 9, gas purge valve, 10, buffer discharge port, 11, buffer discharge valve, 12, outlet, 13, outlet valve, 14, tank body, 101, reaction kettle, 102, buffer tank, 103, pump, 104, catalyst separation tank, 105, catalyst sedimentation zone, 106, buffer zone, 107, reaction kettle bottom valve, 108, reaction liquid conveying valve, 109, buffer conveying valve.
Detailed Description
The utility model provides a device for separating and recycling a solid catalyst in a reaction liquid, and in order to make the advantages and the technical scheme of the utility model clearer and more definite, the utility model is further described below by combining specific embodiments.
As shown in fig. 2, the device for separating and recycling the solid catalyst in the reaction liquid comprises a reaction kettle 101, a buffer liquid tank 102 and a catalyst separating tank 104.
The reaction kettle is used for preparing a reaction solution containing a solid catalyst; the reaction liquid is prepared by Friedel-crafts reaction or transesterification, contains a solid catalyst, is connected with a reaction kettle and is capable of being sent into the buffer liquid tank after standing in the reaction kettle.
For the reaction kettle, the reaction kettle is required to have a temperature required by the reaction, such as a heating mechanism for controlling the temperature, such as an electric heating mode, and also required to have a heat preservation structure, such as a heat preservation sleeve arranged on the periphery of the reaction kettle, and auxiliary equipment, such as a stirring device, is used for stirring raw materials in the reaction kettle through the stirring device, so that the raw materials are uniformly mixed, and the reaction is more sufficient. The reaction vessel and the auxiliary components of the reaction vessel can be obtained by those skilled in the art by referring to the prior art, and detailed description is omitted herein.
The buffer solution tank is used for mixing the buffer solution with the reaction solution containing the solid catalyst, and sending the obtained mixed solution into the catalyst separation tank; the buffer solution is mixed with the reaction solution containing the solid catalyst in the buffer solution tank, and the mixture is introduced into the catalyst separation tank under the action of the pump 103, and the separation of the solid catalyst and the reaction solution is performed in the catalyst separation tank.
As shown in fig. 1, the catalyst separation tank comprises a tank body 14, an inlet 4 and an outlet 12, wherein an inlet valve 5 is arranged at the inlet, an outlet valve 13 is arranged at the outlet, the inlet is communicated with a buffer tank, and the outlet is communicated with the reaction kettle; the jar body is as holding the container, in order to be convenient for come out solid catalyst separation, this application sets up it to the first half for cylindricly, and the second half is the structure of the round platform form of falling, with the jar body pertinence setting this structure of setting, can be convenient for solid catalyst's separation, in addition, set up the baffle in the jar body, with the jar body internal portion for catalyst sedimentation zone 105 and buffer zone 106, catalyst sedimentation zone and export intercommunication, the buffer zone be located the jar body in other regions except that the catalyst sedimentation zone.
In order to facilitate better separation of the catalyst and the buffer solution, the starting point of the baffle plate 1 is the bottom of the tank body and extends along the height direction of the tank body, and the end point of the baffle plate is positioned at the middle upper part of the tank body; the catalyst sedimentation area and the buffer area are not communicated in the height range below the baffle, so that the buffer and the catalyst can be well separated, the separated catalyst is positioned in the catalyst sedimentation area, the reaction liquid or the buffer overflows into the buffer area, a buffer discharge port 10 and a buffer discharge valve 11 are arranged on a tank body opposite to the buffer area in position, the reaction liquid is discharged from the buffer discharge port 10, and the flow quantity of the reaction liquid can be controlled through the buffer discharge valve 11.
In order to facilitate the buffer solution to enter the catalyst separation tank, the tail end of the buffer solution feeding pipe connected with the inlet is provided with a buffer cover 3, the tail end of the buffer solution feeding pipe is positioned in the catalyst sedimentation zone, and the buffer cover 3 is of a V-shaped structure, so that the design mode is used for slowing down the outflow speed of the buffer solution in the buffer solution feeding pipe, and the impact of the buffer solution on the catalyst in the catalyst sedimentation zone is reduced.
Preferably, a gas purging port 8 is further formed in the tank body, gas is purged into the tank body through the gas purging port, and a gas purging valve 9 is arranged on a pipeline connected with the gas purging port. A raw material inlet 6 is also arranged at the top of the tank body, and a raw material inlet valve 7 is arranged at the raw material inlet 6.
Preferably, the tail end of the buffer solution feeding pipe extends into the tank body and is positioned in the catalyst sedimentation zone in the tank body.
The reaction kettle bottom valve 107, the reaction liquid delivery valve 108 and the buffer liquid delivery valve 109 are arranged on the pipeline connected with the reaction kettle, and the arrangement mode and the opening and closing of the valves are conventional means for those skilled in the art, and are not described in detail herein.
The method of using the device of the present utility model is described below.
After the reaction liquid in the reaction kettle 101 is placed still, the reaction liquid conveying valve 108, the outlet valve 13, the raw material inlet valve 7 and the gas purging valve 9 are closed, the reaction kettle bottom valve 107, the buffer liquid conveying valve 109, the inlet valve 5 and the buffer liquid discharging valve 11 are opened, and a part of the reaction liquid containing the catalyst is put into the buffer liquid tank 102 through the reaction kettle 101. Then the reaction kettle bottom valve 107 and the buffer solution conveying valve 108 are closed, the pump 103 is opened, the reaction solution in the buffer solution tank is conveyed to the catalyst sedimentation zone 105 in the catalyst separation tank 104 through the pump 103, the inlet valve 5, the inlet 4, the buffer solution feeding pipe 2 and the buffer cover 3, the catalyst is sedimented and enriched in the catalyst sedimentation zone 105 in the catalyst separation tank 104, the reaction solution without the catalyst overflows to the buffer solution zone 106 through the baffle plate 1, and then flows out through the buffer solution discharging port 10 and the buffer solution discharging valve 11 to enter the next process. After the material in the buffer tank 102 is conveyed, the pump 103 is closed, and the inlet valve 5 and the buffer liquid discharging valve 11 are closed. Simultaneously, the reaction vessel bottom valve 107 and the reaction liquid delivery valve 108 are opened to transfer the remaining reaction liquid in the reaction vessel 101 to the next step.
After the reaction liquid in the reaction kettle 101 is completely transferred, a raw material inlet valve 7 and an outlet valve 13 are opened, fresh raw materials enter a catalyst sedimentation zone 105 in a catalyst separation tank 14 through a raw material inlet 6, a catalyst recovered and enriched in the catalyst sedimentation zone 105 is flushed into the reaction kettle 101 through an outlet 12 and an outlet valve 13, then the raw material inlet valve 7 is closed, a gas purging valve 9 is opened, purging gas enters a catalyst separation tank 104 through the gas purging valve 9 and a gas purging port 8, and the catalyst and the fresh raw materials remained in the catalyst sedimentation zone 105 are completely purged to the reaction kettle 101, so that the catalyst is recovered and utilized.
The parts not described in the utility model can be realized by referring to the prior art.
It is noted that any equivalent or obvious modification made by those skilled in the art under the teachings of this specification shall fall within the scope of this utility model.

Claims (8)

1. A device for solid catalyst separation retrieval and utilization in reaction liquid, its includes reation kettle, buffer solution jar and catalyst knockout drum, its characterized in that:
the reaction kettle is used for preparing a reaction solution containing a solid catalyst; and is connected with the buffer liquid tank;
the buffer solution tank is used for mixing the buffer solution with the reaction solution containing the solid catalyst and sending the obtained mixed solution into the catalyst separation tank;
the catalyst separation tank comprises a tank body, an inlet and an outlet, wherein the inlet is communicated with the buffer tank, and the outlet is communicated with the reaction kettle; the internal baffle that is provided with of jar, through the baffle with the internal portion of jar divide into catalyst sedimentation zone and buffer zone, catalyst sedimentation zone and export intercommunication, the buffer zone be located the jar body in other regions except the catalyst sedimentation zone.
2. The device for separating and recycling the solid catalyst in the reaction liquid according to claim 1, which is characterized in that:
the starting point of the baffle is the bottom of the tank body, and extends along the height direction of the tank body, and the end point of the baffle is positioned at the middle upper part of the tank body; the catalyst sedimentation area is not communicated with the buffer liquid area in the height range below the baffle.
3. The device for separating and recycling the solid catalyst in the reaction liquid according to claim 1, which is characterized in that: the tank body on still be provided with the gas and sweep the mouth, through the gas sweep mouthful to the internal gas that sweeps of tank, with gas sweep be provided with the gas and sweep the valve on the pipeline that the mouth is connected.
4. The device for separating and recycling the solid catalyst in the reaction liquid according to claim 1, which is characterized in that: the upper half part of the tank body is cylindrical, and the lower half part of the tank body is in an inverted truncated cone shape.
5. The device for separating and recycling the solid catalyst in the reaction liquid according to claim 1, which is characterized in that: the tail end of the buffer liquid feeding pipe connected with the inlet is provided with a buffer cover.
6. The device for separating and recycling the solid catalyst in the reaction liquid according to claim 5, wherein the device comprises: the buffer cover is V-shaped, and the tail end of the buffer solution feeding pipe extends into the catalyst sedimentation zone in the tank body.
7. The device for separating and recycling the solid catalyst in the reaction liquid according to claim 1, which is characterized in that: a pump is connected between the buffer liquid tank and the catalyst separation tank.
8. The device for separating and recycling the solid catalyst in the reaction liquid according to claim 1, which is characterized in that: the reaction liquid in the buffer liquid zone flows out through a buffer liquid discharge valve arranged on the tank body.
CN202320539629.8U 2023-03-15 2023-03-15 Device for separating and recycling solid catalyst in reaction liquid Active CN219185931U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320539629.8U CN219185931U (en) 2023-03-15 2023-03-15 Device for separating and recycling solid catalyst in reaction liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320539629.8U CN219185931U (en) 2023-03-15 2023-03-15 Device for separating and recycling solid catalyst in reaction liquid

Publications (1)

Publication Number Publication Date
CN219185931U true CN219185931U (en) 2023-06-16

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ID=86712851

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320539629.8U Active CN219185931U (en) 2023-03-15 2023-03-15 Device for separating and recycling solid catalyst in reaction liquid

Country Status (1)

Country Link
CN (1) CN219185931U (en)

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