CN220609141U - Continuous mixing device for acetonitrile rectification - Google Patents
Continuous mixing device for acetonitrile rectification Download PDFInfo
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- CN220609141U CN220609141U CN202322017784.6U CN202322017784U CN220609141U CN 220609141 U CN220609141 U CN 220609141U CN 202322017784 U CN202322017784 U CN 202322017784U CN 220609141 U CN220609141 U CN 220609141U
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- fixedly connected
- acetonitrile
- blending tank
- outside
- mixing device
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- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 title claims abstract description 221
- 238000002156 mixing Methods 0.000 title claims abstract description 100
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000003756 stirring Methods 0.000 claims abstract description 21
- 238000004821 distillation Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000010304 firing Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 12
- 239000000203 mixture Substances 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 6
- 238000007790 scraping Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 150000007960 acetonitrile Chemical class 0.000 description 1
- PBCJIPOGFJYBJE-UHFFFAOYSA-N acetonitrile;hydrate Chemical compound O.CC#N PBCJIPOGFJYBJE-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model belongs to the technical field of acetonitrile rectification mixing apparatus technique and specifically relates to a continuous mixing arrangement for acetonitrile rectification, including the blending tank, first flange of blending tank top fixedly connected with, first flange top is provided with the end cover, the lower extreme fixedly connected with second flange in the end cover outside, blending tank bottom fixedly connected with row material jar, the upper end in the blending tank outside is fixedly connected with distillation tube and conveying pipeline respectively, and liquid or material that needs mix with acetonitrile is carried to mixing arrangement's inside through the conveying pipeline, mixes acetonitrile and liquid or material inside the blending tank through motor drive stirring leaf, and the bracing piece drives the scraper blade simultaneously and scrapes the inner wall of blending tank to avoid acetonitrile and liquid or material adhesion to on the inner wall, and then make and carry out abundant mixing between acetonitrile and liquid or the material, in order to reduce the manual clearance to mixing arrangement's inside in later stage, thereby effectually improve acetonitrile mixing efficiency.
Description
Technical Field
The application relates to the technical field of acetonitrile rectification mixing equipment, in particular to a continuous mixing device for acetonitrile rectification.
Background
The acetonitrile content in the acetonitrile-water azeotrope reaches 85%, and the relative volatility between components can be changed by adding an azeotropic agent to the top of the tower, so that the purposes of separating acetonitrile and obtaining high-content acetonitrile can be realized. For example, acetonitrile and methanol are rectified in a ratio of 10:1 under a high reflux ratio, the fraction at 64 ℃ to 80 ℃ is removed, a proper amount of sodium cyanide is added into the residual solution, the mixture is refluxed for a period of time, the mixture is rapidly distilled until the residue is yellow or slightly brown, and the fraction passes through an acidic alumina adsorption column to obtain the high-purity acetonitrile.
At present, acetonitrile is required to be added into a mixing device to be mixed with other solutions or materials after being rectified, and then the mixed acetonitrile is conveyed to the outside to be stored, but most of the existing mixing devices only have a single stirring mechanism and lack a structure capable of cleaning the inner wall, so that the mixed acetonitrile is adhered to the inner wall of the mixing device and cannot be fully mixed, and meanwhile, the later-stage manual cleaning is required, so that the labor intensity is increased and the mixing efficiency is reduced;
the utility model of China with the application number of CN202120879522.9 provides a multi-tower continuous rectifying device for acetonitrile and ethyl acetate, which comprises the following components: the top of the rectifying still is provided with a rectifying tower, a heating piece is arranged outside the rectifying still, and the rectifying still comprises a first kettle, a second kettle and a third kettle; the first kettle rectifying tower top is provided with a pipeline communicated with the second kettle, the second kettle rectifying tower is provided with an extractant adding part, the second kettle rectifying tower top is provided with an acetonitrile collecting loop, the second kettle bottom is provided with a pipeline communicated with the third kettle, and the third kettle rectifying tower top is provided with an ethyl acetate collecting loop. According to the utility model, the ethyl acetate and acetonitrile extraction and separation method is matched with the rectifying towers through a plurality of kettles, so that industrialization of separation of the ethyl acetate and the acetonitrile is realized, the filling method of the extractant is improved, and the rectifying reliability of the rectifying device is improved.
The utility model of China with the application number of CN202223142648.1 provides an acetonitrile stirring device, which comprises a supporting rack, the inside of support frame rotates to be connected with the jar body, the top of jar body is provided with first apron and second apron, be provided with stop gear between support frame and the jar body, the both sides of support frame all are provided with the bottom plate, the top of bottom plate is provided with electric telescopic arm, electric telescopic arm's top fixedly connected with crossbeam, the middle part of crossbeam rotates to be connected with the pivot, the top fixedly connected with driving motor of crossbeam. This acetonitrile agitating unit, through the cooperation between first apron, second apron, support frame, jar body and the stop gear, at the stirring in-process, can shelter from the top of jar body, prevent the inside acetonitrile liquid spill of jar body, through setting up the jar body that can rotate, can rotate the jar body, be convenient for pour the inside acetonitrile liquid of jar body, easy operation laborsaving, it is more convenient to use.
Disclosure of Invention
The application provides a continuous mixing device for acetonitrile rectification to improve following technical problem:
the acetonitrile is mixed with other solutions or materials in the mixing arrangement is added to acetonitrile after the acetonitrile rectification at present to solve, then carry the acetonitrile after mixing to outside and store, but current most mixing arrangement only has single rabbling mechanism, and lacks a structure that can clear up the inner wall, leads to mixing acetonitrile adhesion on mixing arrangement's inner wall, and then can't abundant mixing, still need the manual clearance of later stage simultaneously, thereby still reduced the problem of mixing efficiency when increasing intensity of labour.
The application provides a continuous mixing device for acetonitrile rectification, adopts following technical scheme:
the utility model provides a continuous mixing arrangement for acetonitrile rectification, includes the blending tank, the first flange of blending tank top fixedly connected with, first flange top is provided with the end cover, the lower extreme fixedly connected with second flange in the end cover outside, blending tank bottom fixedly connected with discharge tank, the upper end in the blending tank outside is fixedly connected with distillation tube and conveying pipeline respectively, the inside upper end of blending tank is provided with the internal gear, end cover top fixedly connected with motor, the output fixedly connected with rabbling mechanism of motor, the rabbling mechanism outside fixedly connected with stirring leaf, the outside fixedly connected with bracing piece in the motor output, the lower extreme symmetry in the blending tank outside is provided with firing equipment.
In one technical scheme of the application, one end outside the mixing tank is fixedly connected with a PLC controller.
In one possible technical solution of the present application, the end cap and the second flange are fixedly connected to the first flange by a fixing assembly.
In one technical scheme of the application that can be realized, the blending tank bottom is circular all fixedly connected with landing leg.
In an achievable technical scheme of the application, the first control valve of row's material jar outside fixedly connected with, the equal fixedly connected with second control valve in the outside of distillation tube and conveying pipeline.
In one technical scheme that can be realized in this application, the stirring leaf is circular all and is provided with a plurality of.
In the technical scheme that this application can realize, bracing piece one side symmetry fixedly connected with scraper blade, scraper blade and the laminating of blending tank inner wall, the inside one end symmetry rotation of bracing piece is connected with the pivot, the upper end fixedly connected with gear in the pivot outside, the pivot outside is provided with the helical wheel, the outside of gear is located the inboard meshing connection of internal gear.
In one technical scheme that can realize of this application, firing equipment includes firing equipment, the blending tank inboard is circular equal fixedly connected with hot plate, the equal fixedly connected with heater strip of inside of hot plate.
In summary, the present application includes at least one of the following beneficial technical effects:
the motor, the supporting rod and the scraping plate are arranged to form a cleaning mechanism, acetonitrile distilled during use is directly introduced into the mixing device through the distillation tube, liquid or material to be mixed with acetonitrile is conveyed into the mixing device through the conveying tube, acetonitrile and the liquid or material in the mixing tank are mixed through the motor driving stirring blade, meanwhile, the supporting rod drives the scraping plate to scrape the inner wall of the mixing tank, so that the acetonitrile and the liquid or material are prevented from being adhered to the inner wall, the acetonitrile and the liquid or material are fully mixed, the cleaning of the interior of the mixing device by manual operation in the later period is reduced, and the acetonitrile mixing efficiency is effectively improved;
through the rotating shaft and the gear, the gear drives the rotating shaft and the spiral wheel to rotate under the meshing action of the inner gear under the driving of the motor, the arranged spiral wheel is convenient for crushing solid materials in the mixing device, and the crushed materials and acetonitrile can be fully mixed under the stirring of the stirring blade, so that the mixing efficiency of the acetonitrile is effectively improved;
through setting up firing equipment, mix the in-process acetonitrile and liquid or material, heat the hot plate and the heater strip that mix inboard setting of jar through outside firing equipment, and then make acetonitrile and liquid or material be in the mixed state of hot temperature, under the condition of heating, can improve the mixing efficiency between acetonitrile and liquid or the material, and then reduce mixing time greatly to further improve production efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a first perspective view of an embodiment of the present application;
FIG. 2 is a second perspective view of an embodiment of the present application;
FIG. 3 is a schematic diagram of an internal gear structure according to an embodiment of the present application;
fig. 4 is a schematic view of the structure of the stirring blade according to the embodiment of the present application.
Reference numerals illustrate:
mixing tank 1, PLC 2, first flange 3, end cover 4, second flange 5, fixed subassembly 6, discharge tank 7, first control valve 8, distillation tube 9, second control valve 10, internal gear 11, rabbling mechanism 12, stirring leaf 13, bracing piece 14, scraper blade 15, pivot 16, gear 17, helical wheel 18, heating device 19, hot plate 20, heater strip 21, motor 22, landing leg 23, conveying pipeline 24.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The present application is described in further detail below in conjunction with figures 1-4.
The embodiment of the application discloses continuous mixing arrangement for acetonitrile rectification, including blending tank 1, the first flange 3 of blending tank 1 top fixedly connected with, first flange 3 top is provided with end cover 4, the lower extreme fixedly connected with second flange 5 in the end cover 4 outside, blending tank 1 bottom fixedly connected with row material jar 7, the upper end in the blending tank 1 outside is fixedly connected with distillation tube 9 and conveying pipeline 24 respectively, the inside upper end of blending tank 1 is provided with internal gear 11, the equipartition is established to internal gear 11 forms the round along the inner wall of blending tank 1, end cover 4 top fixedly connected with motor 22, the output fixedly connected with rabbling mechanism 12 of motor 22, rabbling mechanism 12 outside fixedly connected with stirring leaf 13, the outside fixedly connected with bracing piece 14 of motor 22 output, bracing piece 14 one side symmetry fixedly connected with scraper 15, scraper 15 is laminated with blending tank 1 inner wall, the acetonitrile after the distillation is direct to be led into in the blending arrangement through the distillation tube, the material that will mix with acetonitrile carries to the inside of blending arrangement through conveying pipeline 24, carry out the acetonitrile and liquid or material to the inside blending tank 1 through motor 22 drive stirring leaf 13, simultaneously to carry out mixing tank 1 inside acetonitrile and bracing piece or material, the inner wall and carry out the manual work is carried out the manual work to the inside and mix device with the inside the material is reduced to the inside the blending tank 1 or the inside the equipment is carried out the manual work and is carried out the material to the inside the blending tank 1 to the inside the equipment is reduced to the inside the equipment is washed with the material, the inside the material is mixed device is washed down to the inside the equipment is reduced to the inside the equipment is washed, and has the material is reduced.
In this embodiment, the one end fixedly connected with PLC controller 2 in the blending tank 1 outside, the operation that the PLC controller 2 is used for controlling the device stirring is with start and stop, end cover 4 and second flange 5 are through fixed subassembly 6 and first flange 3 fixed connection, blending tank 1 bottom is round equal fixedly connected with landing leg 23, the first control valve 8 of the outside fixedly connected with of blowing tank 7, the first control valve is used for opening or closing acetonitrile transportation after mixing, the equal fixedly connected with second control valve 10 in the outside of distillation tube 9 and conveying pipeline 24, the second control valve is used for opening or closing acetonitrile transportation, stirring leaf 13 is round all to be provided with a plurality of, the inside one end symmetry rotation of bracing piece 14 is connected with pivot 16, the upper end fixedly connected with gear 17 in the pivot 16 outside, the pivot 16 outside is provided with helical wheel 18, the outside of gear 17 is located the inboard meshing of internal gear 11 and is connected, the firing equipment includes firing equipment 19, the inboard is round equal fixedly connected with hot plate 20, the inside equal fixedly connected with heater strip 21 of hot plate 20, in the acetonitrile carries out the mixing process with liquid or material, mix the transport of acetonitrile, mix the heating efficiency with heating equipment is set up heating wire 21 and heating wire 20 under the heating process greatly, and the heating efficiency is further improved, and the mixing process is in order to mix the material greatly.
Working principle: during use, the motor 22, the supporting rod 14 and the scraping plate 15 are arranged to form a cleaning mechanism, acetonitrile distilled during use is directly introduced into the mixing device through the distillation tube, liquid or material to be mixed with acetonitrile is conveyed into the mixing device through the conveying tube 24, the stirring blade 13 is driven by the motor 22 to mix acetonitrile and liquid or material in the mixing tank 1, meanwhile, the scraping plate 15 is driven by the supporting rod 14 to scrape the inner wall of the mixing tank 1 so as to avoid the adhesion of acetonitrile and liquid or material to the inner wall, and then the acetonitrile and the liquid or material are fully mixed, so that the workload of cleaning the inside of the mixing device by later manual operation is reduced, the acetonitrile mixing effect is effectively improved, the rotating shaft 16 and the gear 17 are arranged, under the driving of the motor 22, the gear 17 drives the rotating shaft 16 and the spiral wheel 18 to rotate under the meshing action of the inner gear 11, the rotating shaft 16 is driven to revolve clockwise around the stirring mechanism 12, the supporting rod 14 is driven to revolve in the revolution process of the rotating shaft 16, the supporting rod 14 moves along the annular inner gear 11, the gear 17 rotates anticlockwise due to meshing connection of the gear 17 and the inner gear 11, the rotating shaft 16 and the spiral wheel 18 are driven to rotate anticlockwise, solid materials in the mixing device are crushed in the rotation process of the spiral wheel 18, the crushed materials and acetonitrile can be fully mixed under the stirring of the stirring blade 13, the mixing efficiency of the acetonitrile is effectively improved, the heating plate 20 and the heating wire 21 arranged on the inner side of the mixing tank 1 are heated through external heating equipment in the mixing process of the acetonitrile and the liquid or the materials, and then make acetonitrile and liquid or material be in the mixed state of hot temperature, under the condition of heating, can improve the mixing efficiency between acetonitrile and liquid or the material, and then reduce mixing time greatly to further improve production efficiency.
The foregoing description of the preferred embodiments of the present utility model is not intended to limit the utility model to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (8)
1. A continuous mixing device for acetonitrile rectification, which is characterized in that: including blending tank (1), first flange (3) of blending tank (1) top fixedly connected with, first flange (3) top is provided with end cover (4), the lower extreme fixedly connected with second flange (5) in the end cover (4) outside, blending tank (1) bottom fixedly connected with row material jar (7), the upper end in blending tank (1) outside is fixedly connected with distillation tube (9) and conveying pipeline (24) respectively, the inside upper end of blending tank (1) is provided with internal gear (11), end cover (4) top fixedly connected with motor (22), the output fixedly connected with rabbling mechanism (12) of motor (22), rabbling mechanism (12) outside fixedly connected with stirring vane (13), the outside fixedly connected with bracing piece (14) of motor (22) output, bracing piece (14) one side symmetry fixedly connected with scraper blade (15), scraper blade (15) are laminated with blending tank (1) inner wall, the lower extreme symmetry in blending tank (1) outside is provided with firing equipment.
2. The continuous mixing device for acetonitrile rectification according to claim 1, wherein one end of the outer side of the mixing tank (1) is fixedly connected with a PLC controller (2).
3. A continuous mixing device for acetonitrile rectification according to claim 1, characterized in that the end cap (4) and the second flange (5) are fixedly connected to the first flange (3) by means of a fixing assembly (6).
4. A continuous mixing device for acetonitrile rectification according to claim 1, characterized in that the bottom of the mixing tank (1) is round and is fixedly connected with supporting legs (23).
5. The continuous mixing device for acetonitrile rectification according to claim 1, wherein a first control valve (8) is fixedly connected to the outer side of the discharge tank (7), and a second control valve (10) is fixedly connected to the outer sides of the distillation tube (9) and the conveying pipe (24).
6. A continuous mixing device for acetonitrile rectification according to claim 1, characterized in that the stirring blades (13) are all circular in shape.
7. The continuous mixing device for acetonitrile rectification according to claim 1, wherein one end inside the supporting rod (14) is symmetrically and rotatably connected with a rotating shaft (16), the upper end outside the rotating shaft (16) is fixedly connected with a gear (17), a spiral wheel (18) is arranged outside the rotating shaft (16), and the outer side of the gear (17) is positioned inside the internal gear (11) and is in meshed connection.
8. Continuous mixing device for acetonitrile rectification according to claim 1, characterized in that the heating equipment comprises heating equipment (19), the inside of the mixing tank (1) is round and is fixedly connected with a heating plate (20), and the inside of the heating plate (20) is fixedly connected with a heating wire (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322017784.6U CN220609141U (en) | 2023-07-31 | 2023-07-31 | Continuous mixing device for acetonitrile rectification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322017784.6U CN220609141U (en) | 2023-07-31 | 2023-07-31 | Continuous mixing device for acetonitrile rectification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220609141U true CN220609141U (en) | 2024-03-19 |
Family
ID=90228780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322017784.6U Active CN220609141U (en) | 2023-07-31 | 2023-07-31 | Continuous mixing device for acetonitrile rectification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220609141U (en) |
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2023
- 2023-07-31 CN CN202322017784.6U patent/CN220609141U/en active Active
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