CN216149837U - High-efficient acrylonitrile refining plant - Google Patents
High-efficient acrylonitrile refining plant Download PDFInfo
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- CN216149837U CN216149837U CN202121717601.6U CN202121717601U CN216149837U CN 216149837 U CN216149837 U CN 216149837U CN 202121717601 U CN202121717601 U CN 202121717601U CN 216149837 U CN216149837 U CN 216149837U
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- fine screen
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Abstract
The utility model discloses a high-efficiency acrylonitrile refining device; the upper inner part of the bearing bracket is fixedly provided with a reaction device through bolts; the grinding mechanism is arranged above the inside of the reaction device in a penetrating way; the method comprises the following steps: the driving gear penetrates through the grinding mechanism through a bearing and is fixedly connected to the bottom end of an output shaft of the motor; the screening mechanism is rotatably arranged above the interior of the reaction device; the rotary guide rod vertically penetrates through the middle part of the screening mechanism, and the outer walls of the left side and the right side of the rotary guide rod are respectively attached to and rotate on the top surface of the screening mechanism through a cleaning rod and a crushing roller which are fixedly connected; the left end and the right end of the fine screening mechanism penetrate through the reaction device in a sliding mode. This high-efficient acrylonitrile refining plant carries out the primary crushing through the recipient after, smashes the refining once more through reverse rotation's crushing roller and grinding mechanism, smashes once more through the dredge roller at last and prevents to take place to block up.
Description
Technical Field
The utility model relates to the technical field of chemistry, in particular to a high-efficiency acrylonitrile refining device.
Background
Acrylonitrile is a colorless, pungent odor liquid, which is a toxic chemical product obtained by the catalytic reaction of liquid nitrogen, propylene and air, and by purification after recovery.
Most of acrylonitrile is refined and manufactured by a cyanoethanol method and an acetylene method in the production and manufacturing processes at present, hydrocyanic acid in the two methods has high toxicity and high cost, side reactions are more, product refining is difficult, the toxicity is high, the price of raw materials is higher than that of propylene, and the method is technically and economically lagged behind a propylene ammoxidation method and brings difficulty to production and manufacturing.
Therefore, we have proposed an apparatus for purifying acrylonitrile with high efficiency so as to solve the problems mentioned above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-efficiency acrylonitrile refining device to solve the problems that most of acrylonitrile in the market is refined and manufactured by a cyanoethanol method and an acetylene method in the production and manufacturing processes, hydrocyanic acid in the two methods has high toxicity, high cost, more side reactions, difficult product refining, high toxicity, higher raw material price than propylene, lags behind a propylene ammoxidation method in the aspects of technology and economy and brings difficulty to production and manufacturing.
In order to achieve the purpose, the utility model provides the following technical scheme: a high-efficiency acrylonitrile refining device;
the upper inner part of the bearing bracket is fixedly provided with a reaction device through bolts;
the grinding mechanism is arranged above the inside of the reaction device in a penetrating way;
the method comprises the following steps:
the driving gear penetrates through the grinding mechanism through a bearing and is fixedly connected to the bottom end of an output shaft of the motor;
the screening mechanism is rotatably arranged above the interior of the reaction device;
the rotary guide rod vertically penetrates through the middle part of the screening mechanism, and the outer walls of the left side and the right side of the rotary guide rod are respectively attached to and rotate on the top surface of the screening mechanism through a cleaning rod and a crushing roller which are fixedly connected;
the left end and the right end of the fine screen mechanism penetrate through the inside of the reaction device in a sliding manner;
wherein the middle part of the fine screen mechanism is fixedly provided with a fine screen, and the bottom surface of the fine screen mechanism is fixedly provided with a lug.
Preferably, reaction unit's top through connection is in the outer wall of motor, and reaction unit's bottom has seted up the feed opening, reaction unit and bear and set up for vertical coaxial distribution between the support, and reaction unit's inside symmetry is provided with charge-in pipeline to charge-in pipeline sets up about reaction unit's vertical center axis symmetric distribution, puts in the material through charge-in pipeline.
Preferably, the middle part fixed connection of the inside driving gear of grinding mechanism is on the top of rotating guide rod, and the meshing is provided with driven gear about the inside driving gear of grinding mechanism to the bottom of driving gear and driven gear's bottom is all fixed and is provided with the recipient, carries out the primary crushing through the recipient.
Preferably, be horizontal coaxial distribution setting between driving gear and driven gear and the grinding mechanism, and be the rotatory setting of laminating connection between the recipient of driving gear bottom and the recipient of driven gear bottom, drive driven gear through the driving gear.
Preferably, the bottom of screening mechanism is established through fixed mounting's linkage piece cover and is provided with the top of rotation axis, and the bottom surface right side of screening mechanism is provided with the driven lever through the bearing rotation to be connected the setting through the bevel gear meshing between driven lever and rotation axis and the rotating guide arm, drive screening mechanism through the rotation axis.
Preferably, the cleaning rod and the crushing roller on the top surface of the screening mechanism are symmetrically distributed about the vertical central axis of the screening mechanism, the rotating direction of the screening mechanism and the rotating direction of the rotating guide rod are opposite to each other, and crushing is performed through opposite rotation.
Preferably, the fixed dredge roller that is provided with in top of fine screen mechanism, and the distance between dredge roller and the fine screen mechanism is less than the maximum displacement distance of fine screen mechanism to the middle part through connection of fine screen mechanism is in the rotation axis bottom, and the bottom surface level of fine screen mechanism below lug is greater than the top surface level of rotation axis outer wall lug moreover, drives fine screen mechanism through the lug and reciprocates.
Compared with the prior art, the utility model has the beneficial effects that: the high-efficiency acrylonitrile refining device is used for performing primary crushing through the extrusion cylinder, performing secondary crushing and refining through the crushing roller and the grinding mechanism which rotate reversely, and finally performing secondary crushing through the dredging roller to prevent blockage;
1. after the materials are fed by the feeding channels on the left side and the right side of the top surface of the reaction device, the extrusion barrels on the bottom surface are driven by a driving gear and a driven gear of the grinding mechanism to rotate for primary crushing, so that the crushed materials fall into the top surface of the screening mechanism, and the cleaning rods on the left side and the right side and the crushing rollers are driven by a rotating guide rod in the middle of the screening mechanism to crush the materials again;
2. the rotary guide rod in meshed connection with the conical gear is driven by the linkage block and the rotary shaft on the bottom surface of the grinding mechanism, so that the rotating direction of the grinding mechanism is opposite to that of the rotary guide rod, and meanwhile, after the materials fall into the top surface of the fine screening mechanism, the dredging roller is crushed again by the convex blocks in the bottom surface of the fine screening mechanism.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of a fine screen mounting structure according to the present invention;
FIG. 4 is a schematic view of a driven rod mounting structure according to the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 6 is a schematic cross-sectional view of a polishing mechanism according to the present invention.
In the figure: 1. a reaction device; 101. a load bearing support; 102. a motor; 103. a feeding port; 104. a feed conduit; 2. a grinding mechanism; 201. a driving gear; 202. a driven gear; 203. an extrusion cylinder; 3. a screening mechanism; 301. a linkage block; 302. a rotating shaft; 303. a driven lever; 304. a bevel gear; 4. rotating the guide rod; 401. cleaning the rod; 402. a crushing roller; 5. a fine screening mechanism; 501. a fine screen; 502. a bump; 503. and (4) dredging rollers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides the following technical solutions: a high-efficiency acrylonitrile refining device;
a bearing bracket 101, wherein the reaction device 1 is fixedly arranged in the upper part of the bearing bracket through bolts;
a grinding mechanism 2 which is arranged above the inside of the reaction device 1 in a penetrating way;
the method comprises the following steps:
a driving gear 201 which is arranged inside the grinding mechanism 2 through a bearing and is fixedly connected to the bottom end of the output shaft of the motor 102;
the screening mechanism 3 is rotatably arranged above the inside of the reaction device 1;
the rotary guide rod 4 vertically penetrates through the middle part of the screening mechanism 3, and the outer walls of the left side and the right side of the rotary guide rod 4 are respectively attached to and rotate on the top surface of the screening mechanism 3 through a cleaning rod 401 and a crushing roller 402 which are fixedly connected;
the fine screen mechanism 5, the left and right ends of which are slidably penetrated in the reaction device 1;
wherein the middle part of the fine screen mechanism 5 is fixedly provided with a fine screen 501, and the bottom surface of the fine screen mechanism 5 is fixedly provided with a lug 502.
Reaction unit 1's top through connection is in the outer wall of motor 102, and reaction unit 1's bottom has seted up feed opening 103, and reaction unit 1 and bear and set up for vertical coaxial distribution between the support 101, and reaction unit 1's inside symmetry is provided with charge-in pipeline 104 to charge-in pipeline 104 sets up about reaction unit 1's vertical center axis symmetric distribution.
The middle part of the driving gear 201 in the grinding mechanism 2 is fixedly connected to the top end of the rotating guide rod 4, the driven gear 202 is meshed with the left and right sides of the driving gear 201 in the grinding mechanism 2, and the bottom end of the driving gear 201 and the bottom end of the driven gear 202 are both fixedly provided with the extrusion cylinder 203.
The extrusion cylinder 203 on the bottom surface is driven by the driving gear 201 and the driven gear 202 of the grinding mechanism 2 to rotate for primary crushing, so that the material falls into the top surface of the screening mechanism 3 after crushing, and the cleaning rods 401 and the crushing rollers 402 on the left side and the right side are driven by the rotating guide rod 4 in the middle of the screening mechanism 3 to crush the material again.
The driving gear 201, the driven gear 202 and the grinding mechanism 2 are arranged in a horizontal and coaxial distribution mode, and the extrusion container 203 at the bottom end of the driving gear 201 and the extrusion container 203 at the bottom end of the driven gear 202 are arranged in a rotation mode in a fitting connection mode.
The bottom end of the screening mechanism 3 is sleeved with the top end of the rotating shaft 302 through a linkage block 301 which is fixedly installed, a driven rod 303 is rotatably arranged on the right side of the bottom surface of the screening mechanism 3 through a bearing, and the driven rod 303 is meshed with the rotating shaft 302 and the rotating guide rod 4 through a bevel gear 304.
The cleaning rod 401 and the crushing roller 402 on the top surface of the screening mechanism 3 are symmetrically distributed about the vertical central axis of the screening mechanism 3, and the rotating direction of the screening mechanism 3 and the rotating direction of the rotating guide rod 4 are opposite to each other.
A dredging roller 503 is fixedly arranged above the fine screen mechanism 5, the distance between the dredging roller 503 and the fine screen mechanism 5 is less than the maximum moving distance of the fine screen mechanism 5, the middle part of the fine screen mechanism 5 is connected to the bottom end of the rotating shaft 302 in a penetrating way, and the horizontal height of the bottom surface of a bump 502 below the fine screen mechanism 5 is greater than the horizontal height of the top surface of a bump 502 on the outer wall of the rotating shaft 302.
The working principle is as follows: before the high-efficiency acrylonitrile refining device is used, the whole condition of the device needs to be checked to determine that the device can normally work, and according to the graph shown in fig. 1-6, after the materials are put in the feeding pipelines 104 on the left side and the right side of the top surface of the reaction device 1, the screening mechanism 3 is cleaned through the brushes on the outer wall of the rotating shaft 302, so that the blockage situation is prevented;
the linkage block 301 and the rotating shaft 302 on the bottom surface of the grinding mechanism 2 drive the rotating guide rod 4 which is meshed and connected with the bevel gear 304, so that the rotating direction of the grinding mechanism 2 is opposite to that of the rotating guide rod 4, meanwhile, after falling into the top surface of the fine screening mechanism 5, the material drives the fine screening mechanism 5 to move up and down through the convex block 502 in the bottom surface of the fine screening mechanism 5, the material is crushed again after colliding with the dredging roller 501, and finally, the material is discharged through the fine screening net 503.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (7)
1. The high-efficiency acrylonitrile refining device is used for being installed inside a bearing bracket;
the upper inner part of the bearing bracket is fixedly provided with a reaction device through bolts;
the grinding mechanism is arranged above the inside of the reaction device in a penetrating way;
it is characterized by comprising:
the driving gear penetrates through the grinding mechanism through a bearing and is fixedly connected to the bottom end of an output shaft of the motor;
the screening mechanism is rotatably arranged above the interior of the reaction device;
the rotary guide rod vertically penetrates through the middle part of the screening mechanism, and the outer walls of the left side and the right side of the rotary guide rod are respectively attached to and rotate on the top surface of the screening mechanism through a cleaning rod and a crushing roller which are fixedly connected;
the left end and the right end of the fine screen mechanism penetrate through the inside of the reaction device in a sliding manner;
wherein the middle part of the fine screen mechanism is fixedly provided with a fine screen, and the bottom surface of the fine screen mechanism is fixedly provided with a lug.
2. The high-efficiency acrylonitrile refining device according to claim 1, characterized in that: reaction unit's top through connection is in the outer wall of motor, and reaction unit's bottom has seted up the feed opening, reaction unit and bear and be vertical coaxial distribution setting between the support, and reaction unit's inside symmetry is provided with charge-in pipeline to charge-in pipeline sets up about reaction unit's vertical center axis symmetric distribution.
3. The high-efficiency acrylonitrile refining device according to claim 1, characterized in that: grind the inside driving gear's of mechanism middle part fixed connection in the top of rotating guide arm, and grind the inside driving gear of mechanism and control the meshing and be provided with driven gear to the bottom of driving gear and driven gear's bottom all is fixed and is provided with the recipient.
4. The apparatus according to claim 3, wherein: the driving gear, the driven gear and the grinding mechanism are arranged in a transverse and coaxial mode, and the extrusion container at the bottom end of the driving gear and the extrusion container at the bottom end of the driven gear are connected in a laminating mode in a rotating mode.
5. The high-efficiency acrylonitrile refining device according to claim 1, characterized in that: the bottom of screening mechanism is established through fixed mounting's linkage piece cover and is established the top with the rotation axis, and the bottom surface right side of screening mechanism is provided with the driven lever through the bearing rotation to be connected the setting through the bevel gear meshing between driven lever and rotation axis and the rotatory guide arm.
6. The apparatus according to claim 5, wherein: the cleaning rod and the crushing roller on the top surface of the screening mechanism are symmetrically distributed about the vertical central axis of the screening mechanism, and the rotating direction of the screening mechanism and the rotating direction of the rotating guide rod are opposite.
7. The apparatus according to claim 6, wherein: the top of fine screen mechanism is fixed and is provided with the dredge roller, and the distance between dredge roller and the fine screen mechanism is less than the maximum displacement distance of fine screen mechanism to the middle part through connection of fine screen mechanism is in the rotation axis bottom, and the bottom surface level of fine screen mechanism below lug is greater than the top surface level of rotation axis outer wall lug moreover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121717601.6U CN216149837U (en) | 2021-07-27 | 2021-07-27 | High-efficient acrylonitrile refining plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121717601.6U CN216149837U (en) | 2021-07-27 | 2021-07-27 | High-efficient acrylonitrile refining plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216149837U true CN216149837U (en) | 2022-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121717601.6U Active CN216149837U (en) | 2021-07-27 | 2021-07-27 | High-efficient acrylonitrile refining plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216149837U (en) |
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2021
- 2021-07-27 CN CN202121717601.6U patent/CN216149837U/en active Active
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