CN220939219U - Separation and extraction equipment for preparing 2-methoxypropene - Google Patents
Separation and extraction equipment for preparing 2-methoxypropene Download PDFInfo
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- CN220939219U CN220939219U CN202322864422.0U CN202322864422U CN220939219U CN 220939219 U CN220939219 U CN 220939219U CN 202322864422 U CN202322864422 U CN 202322864422U CN 220939219 U CN220939219 U CN 220939219U
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- stirring
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- 238000000605 extraction Methods 0.000 title claims abstract description 54
- 238000000926 separation method Methods 0.000 title claims abstract description 41
- YOWQWFMSQCOSBA-UHFFFAOYSA-N 2-methoxypropene Chemical compound COC(C)=C YOWQWFMSQCOSBA-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000003756 stirring Methods 0.000 claims abstract description 68
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims description 27
- 239000002904 solvent Substances 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 4
- 239000007791 liquid phase Substances 0.000 abstract description 21
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 32
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000009835 boiling Methods 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000013076 target substance Substances 0.000 description 2
- 239000003377 acid catalyst Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
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- Extraction Or Liquid Replacement (AREA)
Abstract
The utility model relates to the technical field of separation and extraction equipment, and discloses separation and extraction equipment for preparing 2-methoxypropene, which comprises a support frame, wherein a separation component is arranged on the left side of the top of the support frame, an extraction component is arranged on the right side of the top of the separation component, a rotary rod is movably sleeved in the middle of the top of a stirring frame, a stirring rod is fixedly connected to the outer side of the rotary rod, a first driven gear is fixedly sleeved at the top of the outer side of the rotary rod, a threaded rod is sleeved on the inner side thread of a rotary block, a top plate is fixedly connected to the top of the threaded rod, fixing rods are movably sleeved on the front surface and the back surface of the top plate, the bottom of the fixing rods is fixedly connected with the top of the stirring frame, the separation component further comprises a liquid pump fixedly connected to the right side of the stirring frame, the extraction component is arranged, the separated liquid phase is not required to be manually separated, and the accurate separation of an upper layer liquid phase can be realized through the adjustment of the bottom position of a liquid outlet hole.
Description
Technical Field
The utility model relates to the technical field of separation and extraction equipment, in particular to separation and extraction equipment for preparing 2-methoxypropene.
Background
The 2-methoxypropene is a common monomer and can be used for preparing high polymer materials such as polymethyl methacrylate and the like in a polymerization reaction. The following describes a common method for preparing 2-methoxypropene by separation and extraction, which generally refers to a process of extracting a target substance from a mixture by a difference in compatibility after mixing a solvent with a raw material. For the preparation of 2-methoxypropene, the following steps can be considered: preparing methanol and propylene as raw materials, and ensuring that the purity and quality of the raw materials meet experimental requirements; methanol and propylene are added into a reaction kettle according to a certain molar ratio, and an appropriate amount of acid catalyst such as sulfuric acid (H2 SO 4) or phosphoric acid (H3 PO 4) is added, SO that the reaction is carried out under the appropriate temperature and pressure conditions in a continuous stirring mode. This step requires a certain reaction time to ensure that the reaction reaches equilibrium; due to the miscibility of 2-methoxypropene with methanol and propylene, 2-methoxypropene can be separated from the reaction mixture by means of separation and extraction using a solvent. The common method is to shake the extractant and the reaction mixture uniformly to transfer the target substance into the organic phase; after the organic phase containing the 2-methoxypropene is obtained, the organic phase can be purified and concentrated by methods such as rectification and the like to obtain a high-purity 2-methoxypropene product.
In the process of mixing and stirring the mixture and the solvent, manual stirring is often needed, after the liquid phase is layered, the liquid phase containing 2-methoxypropene is needed to be separated, and then the 2-methoxypropene is separated through the difference of boiling points, so that the process is complicated, the efficiency is low, and a plurality of people are generally needed to operate.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides separation and extraction equipment for preparing 2-methoxypropene, which solves the problems in the prior art.
The utility model provides the following technical scheme: the separation and extraction equipment for preparing the 2-methoxypropene comprises a support frame, wherein a separation assembly is arranged on the left side of the top of the support frame, an extraction assembly is arranged on the right side of the top of the separation assembly, and an extraction assembly is arranged on the right side of the top of the support frame;
The separation assembly comprises a stirring frame, a rotating rod is movably sleeved in the middle of the top of the stirring frame, a stirring rod is fixedly connected to the outer side of the rotating rod, a first driven gear is fixedly sleeved at the top of the outer side of the rotating rod, a stirring motor is fixedly connected to the left side of the top of the stirring frame, a first driving gear is fixedly connected to an output shaft of the stirring motor, and the first driving gear is meshed with the first driven gear;
The extraction subassembly includes rotatory piece, rotatory piece and stirring frame's top swing joint, rotatory piece's top fixedly connected with second driven gear, rotatory piece's inboard screw thread has cup jointed the threaded rod, the top fixedly connected with top board of threaded rod, the dead lever has all been cup jointed in the front and the back activity at top board top, the bottom of dead lever and stirring frame's top fixed connection, the separation subassembly still includes the liquid pump of fixed connection on stirring frame right side.
Further, the bottom fixedly connected with bottom frame of stirring frame, transparent glass observation window is installed in the front of stirring frame, the back fixedly connected with solvent admission pipe at stirring frame top, the front fixedly connected with mixture admission pipe at stirring frame top.
Further, draw the subassembly and include the heating frame, draw the frame, heating frame and support frame fixed connection, the heating rod is installed respectively to the inboard of heating frame, temperature sensor, the top fixedly connected with condenser pipe of drawing the frame.
Further, the extraction assembly further comprises a lifting motor, the lifting motor is fixedly connected with the top of the stirring frame, an output shaft of the lifting motor is fixedly connected with a second driving gear, and the second driving gear is meshed with a second driven gear.
Further, the top of threaded rod and top board has all run through and has offered the liquid hole, the top fixedly connected with feed liquor pipe of liquid pump, the other end and the top fixedly connected with of liquid hole of feed liquor pipe, the bottom fixedly connected with drain pipe of liquid pump, the other end and the top fixedly connected with of extracting the frame of drain pipe.
Further, water is contained in the inner side of the heating frame, and the heating rod is electrically connected with the temperature sensor.
The utility model has the technical effects and advantages that:
1. According to the utility model, the extraction assembly is arranged, the lifting motor is started, the threaded rod moves downwards under the action of the thread thrust of the rotating block, so that the liquid outlet hole at the bottom of the threaded rod is positioned in the upper liquid phase, then the liquid pump is started, the upper liquid phase is extracted through the liquid inlet pipe and is discharged into the extraction frame through the liquid outlet pipe, the separated liquid phase is not required to be separated manually, and the upper liquid phase can be accurately separated through the adjustment of the bottom position of the liquid outlet hole.
2. According to the utility model, the separation assembly is arranged, the stirring motor is started to drive the first driving gear to rotate, and the first driven gear is driven to rotate through gear engagement, so that the rotating rod drives the stirring rod to stir the prepared mixture and the dimethyl ether solvent, the mixture and the dimethyl ether solvent are fully mixed, and manual stirring is not required.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of a stirring frame structure of the present utility model.
Fig. 3 is a schematic view of the stirring rod structure of the utility model.
Fig. 4 is a schematic structural diagram of an extraction assembly according to the present utility model.
Fig. 5 is a schematic structural diagram of an extraction assembly according to the present utility model.
The reference numerals are: 1. a support frame; 2. a separation assembly; 201. a stirring frame; 202. a bottom frame; 203. a transparent glass viewing window; 204. a solvent inlet pipe; 205. the mixture enters the tube; 206. a rotating rod; 207. a stirring rod; 208. a first driven gear; 209. a stirring motor; 210. a first drive gear; 3. an extraction assembly; 301. a rotating block; 302. a second driven gear; 303. a threaded rod; 304. a top plate; 305. a lifting motor; 306. a second drive gear; 307. a fixed rod; 308. a liquid pump; 309. a liquid inlet pipe; 310. a liquid outlet pipe; 4. an extraction assembly; 401. a heating frame; 402. a heating rod; 403. a temperature sensor; 404. an extraction frame; 405. and a condensing tube.
Detailed Description
The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configurations of the structures described in the following embodiments are merely examples, and the separation and extraction apparatus for producing 2-methoxypropene according to the present utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
Referring to fig. 1-5, the utility model provides separation and extraction equipment for preparing 2-methoxypropene, which comprises a support frame 1, wherein a separation assembly 2 is arranged on the left side of the top of the support frame 1, an extraction assembly 3 is arranged on the right side of the top of the separation assembly 2, and an extraction assembly 4 is arranged on the right side of the top of the support frame 1;
The separation assembly 2 comprises a stirring frame 201, a rotating rod 206 is movably sleeved in the middle of the top of the stirring frame 201, a stirring rod 207 is fixedly connected to the outer side of the rotating rod 206, a first driven gear 208 is fixedly sleeved at the top of the outer side of the rotating rod 206, a stirring motor 209 is fixedly connected to the left side of the top of the stirring frame 201, a first driving gear 210 is fixedly connected to an output shaft of the stirring motor 209, and the first driving gear 210 is meshed with the first driven gear 208;
the extraction subassembly 3 includes rotatory piece 301, rotatory piece 301 and stirring frame 201's top swing joint, rotatory piece 301's top fixedly connected with second driven gear 302, rotatory piece 301's inboard screw thread has cup jointed threaded rod 303, threaded rod 303's top fixedly connected with top board 304, the dead lever 307 has all been cup jointed to the front and the back at top board 304 top in the equal activity, the bottom of dead lever 307 and stirring frame 201's top fixed connection, separation subassembly 2 still includes fixed connection in stirring frame 201 right side's liquid pump 308.
In the embodiment of the application, the prepared mixture is firstly added into the inner side of the stirring frame 201 through the mixture inlet pipe 205, the dimethyl ether solvent is added into the stirring frame 201 through the solvent inlet pipe 204, then the stirring motor 209 is started to drive the first driving gear 210 to rotate, and the first driven gear 208 is driven to rotate through gear engagement, so that the rotating rod 206 drives the stirring rod 207 to stir the prepared mixture and the dimethyl ether solvent, the mixture and the dimethyl ether solvent are fully mixed, the dimethyl ether solvent has higher solubility for 2-methoxypropene, the impurities in the mixture have lower solubility, the separation is carried out by utilizing the difference of different solubilities, the two phases form a layer, the 2-methoxypropene and the dimethyl ether solvent are separated into an upper liquid phase due to lower density, and water phases formed by other impurities and water are distributed on the lower layer, the transparent glass observation window 203 can observe the layering condition of the liquid phase, after obvious layering, the lifting motor 305 is started to drive the second driving gear 306 to rotate, the second driven gear 302 is driven to rotate through gear engagement, under the action of the screw thread thrust of the rotating block 301, the threaded rod 303 moves downwards, a liquid outlet hole at the bottom of the threaded rod 303 is positioned in the upper liquid phase, then the liquid pump 308 is started, the upper liquid phase is pumped out through the liquid inlet pipe 309 and discharged into the extraction frame 404 through the liquid outlet pipe 310, after the upper liquid phase is pumped out, the heating rod 402 is started to heat water in the heating frame 401, the temperature of water can be monitored through the temperature sensor 403, the temperature of water is kept between 40 ℃ and 60 ℃, the heat of the water can be transferred into the extraction frame 404, the boiling point of 2-methoxypropene is 92 ℃, the boiling point of the dimethyl ether solvent is 39.6 ℃, and when the temperature inside the extraction frame 404 is between 40 and 60 ℃, the dimethyl ether solvent boils and evaporates and is discharged through the condensation pipe 405, thereby completing the separation and extraction of the 2-methoxypropene.
In a preferred embodiment, the bottom of the stirring frame 201 is fixedly connected with a bottom frame 202, the front surface of the stirring frame 201 is provided with a transparent glass observation window 203, the back surface of the top of the stirring frame 201 is fixedly connected with a solvent inlet pipe 204, the front surface of the top of the stirring frame 201 is fixedly connected with a mixture inlet pipe 205, and the rest of the lower liquid phase can be discharged through the bottom frame 202.
In a preferred embodiment, the extraction assembly 4 comprises a heating frame 401, an extraction frame 404, the heating frame 401 is fixedly connected with the support frame 1, heating rods 402 are respectively installed on the inner sides of the heating frame 401, temperature sensors 403 are arranged on the inner sides of the heating frame 401, condensing pipes 405 are fixedly connected to the tops of the extraction frame 404, water is contained in the inner sides of the heating frame 401, the heating rods 402 are electrically connected with the temperature sensors 403, the heating rods 402 can heat the water, the temperature sensors 403 can monitor the water temperature, and feedback is formed between the heating rods and the temperature sensors.
In a preferred embodiment, the extracting assembly 3 further includes a lifting motor 305, the lifting motor 305 is fixedly connected with the top of the stirring frame 201, an output shaft of the lifting motor 305 is fixedly connected with a second driving gear 306, the second driving gear 306 is meshed with the second driven gear 302, the lifting motor 305 is started to drive the second driving gear 306 to rotate, the second driven gear 302 is driven to rotate through gear meshing, under the action of the screw thrust of the rotating block 301, the threaded rod 303 moves downwards, so that the upper liquid phase is extracted through a liquid outlet hole at the bottom of the threaded rod 303, and separation work is completed.
In a preferred embodiment, the top of the threaded rod 303 and the top plate 304 are both perforated with a liquid outlet hole, the top of the liquid pump 308 is fixedly connected with a liquid inlet pipe 309, the other end of the liquid inlet pipe 309 is fixedly connected with the top of the liquid outlet hole, the bottom of the liquid pump 308 is fixedly connected with a liquid outlet pipe 310, the other end of the liquid outlet pipe 310 is fixedly connected with the top of the extraction frame 404, and the separated upper liquid phase is added into the extraction frame 404 through the liquid outlet pipe 310.
The working principle of the utility model is as follows: firstly, the prepared mixture is added into the inner side of a stirring frame 201 through a mixture inlet pipe 205, a dimethyl ether solvent is added into the stirring frame 201 through a solvent inlet pipe 204, then a stirring motor 209 is started to drive a first driving gear 210 to rotate, and a first driven gear 208 is driven to rotate through gear engagement, so that a rotating rod 206 drives a stirring rod 207 to stir the prepared mixture and the dimethyl ether solvent, the mixture is fully mixed with the dimethyl ether solvent, the dimethyl ether solvent has higher solubility for 2-methoxypropene, and has lower solubility for impurities in the mixture, the separation is carried out by utilizing the difference of different solubilities, a layer is formed between the two phases, because the density of the 2-methoxypropene and the dimethyl ether solvent is lower, the two phases can be separated into an upper liquid phase, and water phases formed by other impurities and water are distributed on a lower layer, the transparent glass observation window 203 can observe the layering condition of the liquid phase, after obvious layering, the lifting motor 305 is started to drive the second driving gear 306 to rotate, the second driven gear 302 is driven to rotate through gear engagement, under the action of the screw thread thrust of the rotating block 301, the threaded rod 303 moves downwards, a liquid outlet hole at the bottom of the threaded rod 303 is positioned in the upper liquid phase, then the liquid pump 308 is started, the upper liquid phase is pumped out through the liquid inlet pipe 309 and discharged into the extraction frame 404 through the liquid outlet pipe 310, after the upper liquid phase is pumped out, the heating rod 402 is started to heat water in the heating frame 401, the temperature of water can be monitored through the temperature sensor 403, the temperature of water is kept between 40 ℃ and 60 ℃, the heat of the water can be transferred into the extraction frame 404, the boiling point of 2-methoxypropene is 92 ℃, the boiling point of the dimethyl ether solvent is 39.6 ℃, and when the temperature inside the extraction frame 404 is between 40 and 60 ℃, the dimethyl ether solvent boils and evaporates and is discharged through the condensation pipe 405, thereby completing the separation and extraction of the 2-methoxypropene.
Finally: the foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the application are intended to be included within the scope of the application.
Claims (6)
1. The utility model provides a separation and extraction equipment is used in preparation of 2-methoxypropene, includes support frame (1), its characterized in that: the left side at the top of the support frame (1) is provided with a separation assembly (2), the right side at the top of the separation assembly (2) is provided with an extraction assembly (3), and the right side at the top of the support frame (1) is provided with an extraction assembly (4);
The separation assembly (2) comprises a stirring frame (201), a rotating rod (206) is movably sleeved in the middle of the top of the stirring frame (201), a stirring rod (207) is fixedly connected to the outer side of the rotating rod (206), a first driven gear (208) is fixedly sleeved on the top of the outer side of the rotating rod (206), a stirring motor (209) is fixedly connected to the left side of the top of the stirring frame (201), a first driving gear (210) is fixedly connected to an output shaft of the stirring motor (209), and the first driving gear (210) is meshed with the first driven gear (208);
The extraction subassembly (3) is including rotatory piece (301), the top swing joint of rotatory piece (301) and stirring frame (201), the top fixedly connected with second driven gear (302) of rotatory piece (301), threaded rod (303) have been cup jointed to the inboard screw thread of rotatory piece (301), the top fixedly connected with top board (304) of threaded rod (303), dead lever (307) have all been cup jointed to the front and the back at top board (304) top, the bottom of dead lever (307) and the top fixed connection of stirring frame (201), separation subassembly (2) still include fixed connection liquid pump (308) on stirring frame (201) right side.
2. The separation and extraction apparatus for 2-methoxypropene production according to claim 1, characterized in that: the bottom of stirring frame (201) fixedly connected with bottom frame (202), transparent glass observation window (203) are installed in the front of stirring frame (201), the back fixedly connected with solvent admission pipe (204) at stirring frame (201) top, the front fixedly connected with mixture admission pipe (205) at stirring frame (201) top.
3. The separation and extraction apparatus for 2-methoxypropene production according to claim 1, characterized in that: the extraction component (4) comprises a heating frame (401) and an extraction frame (404), wherein the heating frame (401) is fixedly connected with the support frame (1), heating rods (402) and temperature sensors (403) are respectively arranged on the inner sides of the heating frame (401), and a condensing tube (405) is fixedly connected to the top of the extraction frame (404).
4. The separation and extraction apparatus for 2-methoxypropene production according to claim 1, characterized in that: the extraction assembly (3) further comprises a lifting motor (305), the lifting motor (305) is fixedly connected with the top of the stirring frame (201), the output shaft of the lifting motor (305) is fixedly connected with a second driving gear (306), and the second driving gear (306) is meshed with the second driven gear (302).
5. The separation and extraction apparatus for 2-methoxypropene production according to claim 1, characterized in that: the top of threaded rod (303) and top board (304) all runs through and has seted up the play liquid hole, the top fixedly connected with feed liquor pipe (309) of liquid pump (308), the other end and the top fixedly connected with of play liquid hole of feed liquor pipe (309), the bottom fixedly connected with drain pipe (310) of liquid pump (308), the other end and the top fixedly connected with of extracting frame (404) of drain pipe (310).
6. A separation and extraction apparatus for producing 2-methoxypropene according to claim 3, characterized in that: the inner side of the heating frame (401) is filled with water, and the heating rod (402) is electrically connected with the temperature sensor (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322864422.0U CN220939219U (en) | 2023-10-24 | 2023-10-24 | Separation and extraction equipment for preparing 2-methoxypropene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322864422.0U CN220939219U (en) | 2023-10-24 | 2023-10-24 | Separation and extraction equipment for preparing 2-methoxypropene |
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| Publication Number | Publication Date |
|---|---|
| CN220939219U true CN220939219U (en) | 2024-05-14 |
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ID=90982361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322864422.0U Active CN220939219U (en) | 2023-10-24 | 2023-10-24 | Separation and extraction equipment for preparing 2-methoxypropene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220939219U (en) |
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- 2023-10-24 CN CN202322864422.0U patent/CN220939219U/en active Active
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