CN217614632U - Catalyst preparation device for controlling catalyst feeding speed - Google Patents
Catalyst preparation device for controlling catalyst feeding speed Download PDFInfo
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- CN217614632U CN217614632U CN202221515577.2U CN202221515577U CN217614632U CN 217614632 U CN217614632 U CN 217614632U CN 202221515577 U CN202221515577 U CN 202221515577U CN 217614632 U CN217614632 U CN 217614632U
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Abstract
The utility model relates to a device is prepared to catalyst for controlling catalyst feed rate, including preparing cauldron, stirring unit, the (mixing) shaft lower extreme of stirring unit supports in preparing cauldron bottom center, and the (mixing) shaft upper end extends to upper portion in preparing the cauldron, and its technical essential is: the stirring shaft is a hollow shaft, a vertical pipe penetrates through the stirring shaft, the upper end of the vertical pipe is led out of the hollow shaft and is connected with a cylindrical liquid storage cavity, a plurality of shunt pipes are uniformly arranged around the cylindrical liquid storage cavity, the lower end of the vertical pipe is led out of the hollow shaft and is communicated with a first liquid raw material inlet pipeline, and a transmission mechanism is arranged between the periphery of the lower end of the vertical pipe and the stirring motor; the top center of the preparation kettle is provided with a solid raw material feeding unit, the side of the bottom of the preparation kettle is provided with a catalyst preparation liquid outlet, and the external pipe section of the preparation kettle is provided with a flowmeter and a feeding control valve. The device solves the problem of uneven charging caused by offset of each component inlet of the existing catalyst preparation kettle, is favorable for shortening the stirring and mixing time, saves the preparation time and improves the production efficiency.
Description
Technical Field
The utility model relates to a catalyst production facility technical field, concretely relates to a catalyst preparation device for controlling catalyst feed rate.
Background
The catalyst is necessary in the production process of some chemical products, and plays a role in catalyzing chemical reactions to accelerate the chemical reaction rate. Among them, the activity, selectivity and stability of a solid catalyst, also known as a catalyst in industry, depend not only on its chemical composition but also on its physical properties, which affect its catalytic performance for a specific chemical reaction. While ordinary natural minerals or industrial chemicals cannot be directly used as catalysts, and the catalysts meeting requirements can be obtained through a preparation process of chemical or physical processing.
The catalyst preparation kettle is a container for preparing the catalyst, a stirring device is arranged in the container, and after the catalyst is put into the container in each combination, the stirring device rotates rapidly to crush and mix the catalyst, so that the aim of preparing and activating in advance is fulfilled. In general, the components used to formulate the catalyst are preferably not introduced into the catalyst formulation kettle as a mixture, but are added separately to the formulation kettle through their respective component inlets to avoid affecting catalyst activity. However, the existing catalyst preparation kettle has the following problems in the use process: 1. the charging inlet is offset at one side of the kettle body, which is not beneficial to stirring and mixing, prolongs the preparation time and reduces the production efficiency. 2. The multiple components are added one by one in sequence, so that the production efficiency is restricted.
Disclosure of Invention
The utility model aims at providing a rational in infrastructure, use reliable catalyst that is used for controlling catalyst feed rate and prepare device, solve present catalyst and prepare each component entry of cauldron and be favorable to shortening the time that the stirring was mixed because of the reinforced inhomogeneous problem that the biasing caused, practice thrift the preparation time, improve production efficiency.
The technical scheme of the utility model is that:
the utility model provides a device is prepared to catalyst for controlling catalyst feed rate, includes the preparation cauldron, locates the stirring unit of preparing in the cauldron, the stirring unit includes agitator motor, (mixing) shaft, locates to stir epaxial stirring paddle leaf, and the (mixing) shaft lower extreme utilizes sealed bearing frame to support in preparing cauldron bottom center, and the (mixing) shaft upper end extends to and prepares upper portion in the cauldron, and its technical essential is: the stirring shaft is a hollow shaft, a vertical pipe penetrates through the stirring shaft, a slip ring is arranged between the vertical pipe and the hollow shaft, the upper end of the vertical pipe is led out of the hollow shaft and is connected with a cylindrical liquid storage cavity, a plurality of shunt pipes extending to the periphery of the hollow shaft are uniformly arranged on the periphery of the cylindrical liquid storage cavity, the lower end of the vertical pipe is led out of the hollow shaft and is communicated with a first liquid raw material inlet pipeline through pipe joints, and a transmission mechanism is arranged between the periphery of the lower end of the vertical pipe and the stirring motor; the top center of the preparation kettle is provided with a solid raw material feeding unit, the top surface of the preparation kettle surrounds the second solid raw material feeding unit to fix a second liquid raw material inlet pipeline and a nitrogen inlet pipeline, the side of the bottom of the preparation kettle is provided with a catalyst preparation liquid outlet, and the outer pipe section of the preparation kettle is provided with a flowmeter and a feeding control valve.
Foretell a catalyst preparation device for controlling catalyst feed rate, solid raw materials feeding unit includes the awl fill, locates the apron on awl fill top, is fixed in apron upper surface center's driving motor, locate in the awl fill and with driving motor output shaft drive the material oar, with a plurality of branch material branch pipes that the end opening communicates under the awl fill, the central line that the awl was fought coincides with the central line of hollow shaft, each branch material branch pipe is around awl fill central line evenly distributed, every branch material branch pipe slant downwardly extending is around the awl fill bottom, the awl is fought the outside and is equipped with the support ring board, the top center of preparing the cauldron is equipped with the flange seat of being connected with the support ring board.
The device is prepared to foretell catalyst for controlling catalyst feed rate, the top of preparing the cauldron is equipped with nitrogen gas outlet pipe way in addition, be equipped with manometer and pressure control valve on the nitrogen gas outlet pipe way, through the set pressure value, open when the cauldron internal pressure reaches the set pressure, avoid taking place the incident.
Foretell a catalyst preparation device for controlling catalyst feed rate, upper portion is equipped with the horizontal stand in preparing the cauldron, the horizontal stand include with prepare cauldron inside wall welded solid fixed ring, suit in (mixing) shaft upper end periphery and with solid fixed ring concentric radial positioning ring, connect in a plurality of splice bars between radial positioning ring and solid fixed ring, radial displacement takes place in the (mixing) shaft upper end for the setting of radial positioning ring.
The device is prepared to foretell catalyst for controlling catalyst feed rate, solid raw materials unit's that feeds in raw material drives material oar includes the actuating lever, along a plurality of paddle groups that the actuating lever set gradually from top to bottom, and the paddle group that is located the actuating lever lower extreme comprises a plurality of paddles of arranging around the actuating lever central line, and every paddle comprises the radial pole section of being connected with the actuating lever, with radial pole section end-to-end connection and with the parallel down tube section of awl fill bottom surface, the interval of down tube section and awl fill bottom surface is 5mm-10mm. The arrangement of the diagonal rod section avoids material blockage in the cone hopper.
The beneficial effects of the utility model are that:
1. when the device is used, the first liquid raw material is added into the preparation kettle in advance through the second liquid raw material inlet pipeline, and the mixing of other raw materials is waited; then starting a stirring motor, and driving a stirring blade to rotate; meanwhile, under the action of a liquid pump, a second liquid raw material is introduced into the kettle through the first liquid raw material inlet pipeline, the vertical pipe, the cylindrical liquid storage cavity and the shunt pipe, the solid raw material feeding unit uniformly drives and conveys the solid raw material to the preparation kettle through the cone hopper and the branch pipe under the action of the driving motor, and in the process, the stirring and mixing effects of the stirring blades are utilized to uniformly mix the two liquid raw materials and the solid raw material, so that the problem of nonuniform feeding caused by offset of each component inlet of the conventional catalyst preparation kettle is solved, the preparation time is saved, and the production efficiency is improved.
2. The side of the bottom of the preparation kettle is provided with a catalyst preparation liquid outlet, and the outer pipe section of the preparation kettle is provided with a flowmeter and a feeding control valve, after the preparation is finished, the feeding speed of the catalyst in the reaction kettle is measured by using the flowmeter, and when the amount of the catalyst in the preparation kettle is less and less, the feeding speed is slowed, and the flow stability is ensured by adjusting the opening of the feeding control valve, so that the feeding stability in the reaction kettle is ensured, and the stable chemical reaction is ensured.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the arrangement of the cylindrical reservoir and the manifold of FIG. 1;
FIG. 3 is a schematic view of the structure of the horizontal bracket of FIG. 1;
fig. 4 is an enlarged view of a portion a in fig. 1.
In the figure: 1. the device comprises a second liquid raw material inlet pipeline, 2, a nitrogen outlet pipeline, 3, a pressure control valve, 4, a pressure gauge, 5, a driving motor, 6, a cover plate, 7, a material driving paddle, 8, a cone hopper, 9, a paddle group, 10, a nitrogen inlet pipeline, 11, a preparation kettle, 12, a diagonal rod section, 13, a material distributing branch pipe, 14, a cylindrical liquid storage cavity, 15, a shunt pipe, 16, a fixing ring, 17, a connecting rib, 18, a stirring paddle, 19, a stirring shaft, 20, a catalyst preparation liquid outlet, 21, a flowmeter, 22, a material feeding control valve, 23, a sealing bearing seat, 24, a driven gear, 25, a driving gear, 26, a stirring motor, 27, a pipe joint, 28, a supporting block, 29, a vertical pipe, 30, a sliding ring, 31, an axial limiting stop and 32, and a radial positioning ring.
Detailed Description
The invention is described in detail according to the attached drawings.
As shown in fig. 1 to 4, the catalyst preparation apparatus for controlling the catalyst feed rate includes a preparation tank 11 and a stirring unit disposed in the preparation tank 11. The stirring unit comprises a stirring motor 26, a stirring shaft 19 and a stirring blade 18 arranged on the stirring shaft 19. The lower end of the stirring shaft 19 is supported at the center of the bottom of the preparation kettle 11 by a sealing bearing block 23, and the upper end of the stirring shaft 19 extends to the upper part in the preparation kettle 11.
The stirring shaft 19 is a hollow shaft, a vertical pipe 29 penetrates through the hollow shaft, a sliding ring 30 is arranged between the vertical pipe 29 and the hollow shaft, an axial limiting stopper 31 corresponding to the sliding ring 30 is arranged at the lower end of the stirring shaft 19, the sliding ring 30 plays a role in supporting the vertical pipe 29 on one hand, and on the other hand, relative rotation between the stirring shaft 19 and the vertical pipe 29 can be guaranteed. The hollow shaft is led out from the upper end of the vertical pipe 29 and connected with the cylindrical liquid storage cavity 14, four arc-shaped shunt pipes 15 extending to the periphery of the hollow shaft are uniformly arranged on the periphery of the cylindrical liquid storage cavity 14, the hollow shaft is led out from the lower end of the vertical pipe 29 and communicated with a first liquid raw material inlet pipeline (not shown) by using a pipe joint 27, a supporting block 28 is arranged below the pipe joint 27, and a liquid pump (not shown) is arranged on the first liquid raw material inlet pipeline.
A transmission mechanism is arranged between the periphery of the lower end of the vertical pipe 29 and the stirring motor 26, in this embodiment, the transmission mechanism is composed of a driven gear 24 connected with the vertical pipe 29 and a driving gear 25 connected with an output shaft of the stirring motor 26, the driven gear 24 is meshed with the driving gear 25, and after the stirring motor 26 is started, the stirring motor 26 transmits power to the stirring shaft 19 through the transmission mechanism, so that the stirring blade 18 is driven to rotate. Prepare interior upper portion of cauldron 11 and be equipped with the horizontal stand, the horizontal stand include with prepare cauldron 11 inside wall welded solid fixed ring 16, suit in (mixing) shaft 19 upper end periphery and with solid fixed ring 16 homocentric radial positioning ring 32, connect a plurality of splice bars 17 between radial positioning ring 32 and solid fixed ring 16, radial displacement takes place for the upper end of (mixing) shaft 19 is avoided in the setting of radial positioning ring 32.
The top center of preparing cauldron 11 is equipped with solid raw materials feeding unit, in this embodiment, solid raw materials feeding unit includes awl fill 8, locate the apron 6 on awl fill 8 top, be fixed in the driving motor 5 of apron 6 upper surface center, locate in the awl fill 8 and with driving motor 5 output shaft drive material oar 7, with three branch material pipe 13 that the port communicates under the awl fill 8, the central line of awl fill 8 and the central line coincidence of hollow shaft, each branch material pipe 13 is around the even distribution of awl fill 8 central line, every branch material pipe 13 slant downwardly extending is all around awl fill 8 bottom, the awl fill 8 outside is equipped with the support ring board, the top center of preparing cauldron 11 is equipped with the flange seat of being connected with the support ring board. The solid raw material feeding unit drives material oar 7 and includes actuating lever, along a plurality of paddle group that the actuating lever set gradually from top to bottom. The blade group 9 at the lower end of the drive rod is composed of a plurality of blades arranged around the center line of the drive rod. Each paddle is composed of a radial rod section connected with the driving rod and an inclined rod section 12 which is connected with the tail end of the radial rod section and is parallel to the bottom surface of the cone bucket 8, and the distance between the inclined rod section 12 and the bottom surface of the cone bucket 8 is 5mm-10mm. The arrangement of the diagonal rod section 12 avoids material blockage in the cone bucket 8.
And a second liquid raw material inlet pipeline 1 and a nitrogen inlet pipeline 10 are fixed on the top surface of the preparation kettle 11 around a second solid raw material feeding unit, wherein the nitrogen inlet pipeline 10 is used for charging nitrogen into the preparation kettle 11 in advance to prepare the catalyst under a protective atmosphere, and the second liquid raw material inlet pipeline 1 is used for charging the first liquid raw material into the preparation kettle 11 in advance to wait for the addition of other components. The top of the preparation kettle 11 is additionally provided with a nitrogen outlet pipeline 2, the nitrogen outlet pipeline 2 is provided with a pressure gauge 4 and a pressure control valve 3, and the pressure control valve is opened when the pressure in the kettle reaches a set pressure value through the set pressure value, so that safety accidents are avoided. A catalyst preparation liquid outlet 20 is arranged on the side of the bottom of the preparation kettle 11, and a flowmeter 21 and a feeding control valve 22 are arranged on the outer pipe section of the preparation kettle 11 and are used for controlling the feeding speed of the preparation kettle 11 to the reaction kettle.
The working principle is as follows:
1. filling nitrogen into the preparation kettle 11 and replacing air in the preparation kettle;
2. after the set time, the first liquid raw material is added into the preparation kettle 11 at one time through the second liquid raw material inlet pipeline 1;
3. starting the stirring motor 26, and driving the stirring blade 18 to rotate;
4. under the action of the liquid pump, introducing a second liquid raw material into the preparation kettle 11 through the first liquid raw material inlet pipeline 20, the stand pipe 29, the cylindrical liquid storage cavity 14 and the shunt pipes 15, and uniformly distributing the second liquid raw material into liquid in the preparation kettle 11 through each shunt pipe 15;
5. starting a driving motor 5 to drive a material driving paddle 7 to rotate, and uniformly driving solid raw materials stored in a cone hopper 8 of a solid raw material feeding unit to be conveyed into a preparation kettle 11 by each material distributing branch pipe 13 under the driving of the material driving paddle 7 to be fully mixed with liquid raw materials; in the process, the stirring and mixing functions of the stirring blades 18 are utilized to uniformly mix the two liquid raw materials and the solid raw material;
6. after the catalyst is prepared, a catalyst preparation liquid outlet 20 at the bottom of the preparation kettle 11 feeds materials into the reaction kettle by using a flow meter 21 and a feeding control valve 22, in the feeding process, the flow meter 21 is used for measuring the feeding speed into the reaction kettle, the flow stability is ensured by adjusting the opening degree of the feeding control valve 22, the catalyst feeding stability in the reaction kettle is ensured, and the stable chemical reaction is ensured.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (5)
1. The utility model provides a device is prepared to catalyst for controlling catalyst feed rate, is including preparing the cauldron, locating the stirring unit of preparing in the cauldron, the stirring unit includes agitator motor, (mixing) shaft, locates to stir epaxial stirring paddle leaf, and the (mixing) shaft lower extreme utilizes sealed bearing frame to support in preparing cauldron bottom center, and the (mixing) shaft upper end extends to upper portion in preparing the cauldron, its characterized in that: the stirring shaft is a hollow shaft, a vertical pipe penetrates through the stirring shaft, a slip ring is arranged between the vertical pipe and the hollow shaft, the upper end of the vertical pipe is led out of the hollow shaft and is connected with a cylindrical liquid storage cavity, a plurality of shunt pipes extending to the periphery of the hollow shaft are uniformly arranged on the periphery of the cylindrical liquid storage cavity, the lower end of the vertical pipe is led out of the hollow shaft and is communicated with a first liquid raw material inlet pipeline through pipe joints, and a transmission mechanism is arranged between the periphery of the lower end of the vertical pipe and the stirring motor; the top center of the preparation kettle is provided with a solid raw material feeding unit, the top surface of the preparation kettle surrounds the second solid raw material feeding unit to fix a second liquid raw material inlet pipeline and a nitrogen inlet pipeline, the side of the bottom of the preparation kettle is provided with a catalyst preparation liquid outlet, and the outer pipe section of the preparation kettle is provided with a flowmeter and a feeding control valve.
2. The catalyst dispensing apparatus for controlling a catalyst feed rate according to claim 1, wherein: solid raw materials feeding unit includes the awl fill, locates the apron on awl fill top, is fixed in the driving motor at apron upper surface center, locate in the awl fill and with driving motor output shaft drive the material oar, with a plurality of branch material branch pipes that the end opening communicates under the awl fill, the central line that the awl was fought coincides with the central line of hollow shaft, each branch material branch pipe is around awl fill central line evenly distributed, every branch material branch pipe slant downwardly extending is around awl fill bottom, the awl is fought the outside and is equipped with the support ring board, the top center of preparing the cauldron is equipped with the flange seat of being connected with the support ring board.
3. The catalyst dispensing apparatus for controlling a catalyst feed rate of claim 1, wherein: and a nitrogen outlet pipeline is additionally arranged at the top of the preparation kettle, and a pressure gauge and a pressure control valve are arranged on the nitrogen outlet pipeline.
4. The catalyst dispensing apparatus for controlling a catalyst feed rate of claim 1, wherein: the upper portion is equipped with the horizontal stand in preparing the cauldron, the horizontal stand includes with preparing cauldron inside wall welded solid fixed ring, suit in (mixing) shaft upper end periphery and with solid fixed ring concentric radial positioning ring, connect a plurality of splice bars between radial positioning ring and solid fixed ring.
5. The catalyst dispensing apparatus for controlling a catalyst feed rate according to claim 2, wherein: the solid raw material feeding unit drives the material oar and includes the actuating lever, along a plurality of paddle groups that the actuating lever set gradually from top to bottom, the paddle group that is located the actuating lever lower extreme comprises a plurality of paddles of arranging around the actuating lever central line, every paddle by the radial pole section of being connected with the actuating lever, with radial pole section end-to-end connection and with the awl fill parallel down tube section constitute, the interval of down tube section and awl fill bottom surface is 5mm-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221515577.2U CN217614632U (en) | 2022-06-17 | 2022-06-17 | Catalyst preparation device for controlling catalyst feeding speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221515577.2U CN217614632U (en) | 2022-06-17 | 2022-06-17 | Catalyst preparation device for controlling catalyst feeding speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217614632U true CN217614632U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221515577.2U Active CN217614632U (en) | 2022-06-17 | 2022-06-17 | Catalyst preparation device for controlling catalyst feeding speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217614632U (en) |
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2022
- 2022-06-17 CN CN202221515577.2U patent/CN217614632U/en active Active
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