CN214863489U - Reation kettle is used in ethylene glycol dimethyl ether production - Google Patents
Reation kettle is used in ethylene glycol dimethyl ether production Download PDFInfo
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- CN214863489U CN214863489U CN202120067937.6U CN202120067937U CN214863489U CN 214863489 U CN214863489 U CN 214863489U CN 202120067937 U CN202120067937 U CN 202120067937U CN 214863489 U CN214863489 U CN 214863489U
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Abstract
The utility model discloses a reation kettle is used in ethylene glycol dimethyl ether production, the reactor comprises a kettle body, the up end center of the cauldron body is equipped with agitator motor, agitator motor's output has the (mixing) shaft through the coupling joint, the (mixing) shaft stretches into in the cauldron body after wearing to locate the up end center of the cauldron body, the even symmetry in lower part is equipped with a plurality of spiral stirring vane in the (mixing) shaft, the up end of the cauldron body still is equipped with the thermometer, pressure gauge and a plurality of inlet pipe, the upper portion of the cauldron body is equipped with the negative pressure interface, the lower terminal surface center of the cauldron body is equipped with the discharging pipe, the discharging pipe middle cover is equipped with L shape intake pipe and the right-hand member of L shape intake pipe wears to locate on the lateral wall of discharging pipe, the upper end of L shape intake pipe is equipped with the gas disperser that communicates with its gas circuit, gas disperser locates the bottom of the cauldron body, gas disperser and (mixing) shaft, spiral stirring vane mutually noninterfere setting; the utility model has the advantages of even gas distribution, full and thorough reaction, low cost and good use effect.
Description
Technical Field
The utility model belongs to the technical field of reation kettle equipment is used in the chemical industry product production, concretely relates to reation kettle is used in ethylene glycol dimethyl ether production.
Background
When glycol dimethyl ether is produced, glycol methyl ether is used as a raw material, and reacts with sodium hydroxide to generate glycol methyl ether sodium, then reacts with methyl chloride to generate a glycol dimethyl ether crude product, and the finished product glycol dimethyl ether is obtained through the steps of precipitation, pre-separation, dehydration, rectification and the like. The reaction with sodium hydroxide is firstly carried out, and then the reaction with methyl chloride is completed in a reaction kettle, the existing reaction kettle slowly introduces methyl chloride gas into the bottom of the reaction kettle through a single gas path, and then the methyl chloride gas reacts with ethylene glycol monomethyl ether sodium to generate ethylene glycol dimethyl ether and sodium chloride in the natural rising process, so that the problems of insufficient reaction and incomplete reaction caused by the fact that the methyl chloride gas cannot be uniformly distributed in a reaction liquid exist, waste is caused, the production cost is increased, and the production efficiency is reduced; in order to solve the problems, it is necessary to develop a reaction kettle for producing ethylene glycol dimethyl ether.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing a reaction kettle for ethylene glycol dimethyl ether production, which has the advantages of uniform gas distribution, full and thorough reaction, low cost and good use effect.
The purpose of the utility model is realized like this: the utility model provides a reation kettle is used in ethylene glycol dimethyl ether production, includes the cauldron body, the up end center of the cauldron body is equipped with agitator motor, agitator motor's output has the (mixing) shaft through the coupling joint, the (mixing) shaft is worn to locate stretch into behind the up end center of the cauldron body in the cauldron body, the even symmetry in lower part is equipped with a plurality of spiral stirring vane in the (mixing) shaft, the up end of the cauldron body still is equipped with thermometer, pressure gauge and a plurality of inlet pipe, the upper portion of the cauldron body is equipped with negative pressure interface, the lower terminal surface center of the cauldron body is equipped with the discharging pipe, the cover is equipped with L shape intake pipe in the discharging pipe just the right-hand member of L shape intake pipe is worn to locate on the lateral wall of discharging pipe, the upper end of L shape intake pipe is equipped with rather than the communicating gas disperser of gas circuit, the gas disperser is located the bottom of the cauldron body, the gas disperser with the (mixing) shaft, The spiral stirring blades are arranged without mutual interference.
Preferably, the gas disperser comprises four or six gas pipes uniformly and symmetrically arranged at the upper end of the L-shaped gas inlet pipe in a surrounding manner, and the side wall of each gas pipe is uniformly provided with a plurality of gas holes.
Further preferably, the cross section of the air pipe is circular or rhombic.
Preferably, the side wall and the lower end of the kettle body are of sandwich structures.
Preferably, a liquid outlet is arranged at the upper part of the sandwich structure, and a liquid inlet is arranged at the lower part of the sandwich structure.
Owing to adopted above technical scheme, the beneficial effects of the utility model are that: the utility model adopts the gas disperser, and a plurality of gas holes are uniformly distributed on the gas disperser, so that the chloromethane gas can be dispersed into the reaction liquid and uniformly distributed in the reaction liquid, and the reaction is complete and thorough; the utility model adopts the spiral stirring blade, so that the sodium hydroxide can be fully dissolved in the ethylene glycol monomethyl ether in the early stage, the full and thorough reaction of the two is ensured, and the methyl chloride gas can be further uniformly distributed in the reaction liquid in all directions in the later stage, thereby further ensuring the full and thorough reaction; the gas disperser of the utility model adopts the round or diamond-shaped gas pipe, and the smooth or inclined outer surface of the gas disperser can avoid the accumulation of sodium chloride solid on the upper outer surface of the gas disperser, thereby realizing low cost and good use effect; generally, the utility model has the advantages of gas distribution is even, the reaction is abundant thorough, the realization is with low costs, excellent in use effect.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is an enlarged schematic view of a structure at a in fig. 1 (first embodiment).
Fig. 3 is a schematic top view of the four circular air pipes and the L-shaped air inlet pipe according to the present invention (first embodiment).
Fig. 4 is a schematic top view of the six circular air pipes and the L-shaped air inlet pipe according to the present invention (first embodiment).
Fig. 5 is an enlarged schematic view of a structure at a of fig. 1 (second embodiment).
Fig. 6 is a schematic top view of the four rhombic air tubes and the L-shaped air inlet tube according to the present invention (second embodiment).
Fig. 7 is a schematic top view of the six rhombic air tubes and the L-shaped air inlet tube according to the present invention (second embodiment).
In the figure: 1. the device comprises a kettle body 2, a feeding pipe 3, a stirring motor 4, a thermometer 5, a pressure gauge 6, a negative pressure interface 7, a stirring shaft 8, a spiral stirring blade 9, a gas disperser 91, a gas pipe 92, a gas hole 10, an L-shaped gas inlet pipe 11, a discharging pipe 12, a liquid inlet 13, an interlayer structure 14, a liquid outlet 15, a circle 16 and a rhombus.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings.
As shown in figure 1, the utility model provides a reation kettle is used in ethylene glycol dimethyl ether production, including the cauldron body 1, as reaction vessel. The up end center of the cauldron body 1 is equipped with agitator motor 3, and agitator motor 3's output has (mixing) shaft 7 through the coupling joint, and (mixing) shaft 7 stretches into the cauldron body 1 behind the up end center of the cauldron body 1 of wearing to locate, and the even symmetry of lower part is equipped with a plurality of spiral stirring vane 8 in the (mixing) shaft 3 for add the stirring work in raw materials and the raw materials reaction process, can make material evenly distributed, the reaction rate is fast and fully thorough. The up end of the cauldron body 1 still is equipped with thermometer 4, pressure gauge 5 and a plurality of inlet pipe 2, and thermometer 4 is used for the interior material temperature of real-time detection cauldron body 1, and pressure gauge 5 is used for the internal gas pressure of real-time detection cauldron, and a plurality of inlet pipe 2 are used for the part of multiple raw materials to add. The upper part of the kettle body 1 is provided with a negative pressure interface 6 for vacuum arrangement in the kettle body 1. The lower end surface center of the kettle body 1 is provided with a discharge pipe 11 for outputting materials after the reaction is finished. An L-shaped air inlet pipe 10 is sleeved in the discharging pipe 11, the right end of the L-shaped air inlet pipe 10 penetrates through the side wall of the discharging pipe 11, and a gas disperser 9 communicated with an air passage of the L-shaped air inlet pipe 10 is arranged at the upper end of the L-shaped air inlet pipe 10 and used for uniformly feeding gas. Gas disperser 9 is located the bottom of cauldron body 1, and gas disperser 9 and (mixing) shaft 7, spiral stirring vane 10 mutually noninterfere set up, guarantee that each part work is smooth.
Preferably, as shown in fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, the utility model provides a two kinds of embodiments of gas disperser 9, gas disperser 9 include four or six even symmetry encircle the trachea 91 of locating the upper end of L shape intake pipe 10, and the lateral wall of trachea 91 evenly is equipped with a plurality of gas pockets 92, and methyl chloride gas gets into the cauldron body 1 from evenly distributed in a plurality of gas pockets 92 of cauldron body 1 bottom and participates in the reaction, effectively guarantees to react fully thoroughly.
Further preferably, the cross section of the air pipe 91 is a circle 15 or a diamond 16, and for the two embodiments of the cross section of the air pipe 91, the round 15 and the diamond 16 inclined outer surfaces can avoid the accumulation of sodium chloride solids on the upper outer surfaces, so that the low cost and the good use effect are realized.
Preferably, the side wall and the lower end of the kettle body 1 are provided with sandwich structures 13, so that the reaction temperature in the kettle body 1 can be conveniently controlled when needed.
Further preferably, the upper part of the sandwich structure 13 is provided with a liquid outlet 14, the lower part of the sandwich structure 13 is provided with a liquid inlet 12, and the flowing mode of heating or cooling liquid which enters from bottom to top can ensure the full exchange and utilization of heat.
The utility model discloses during the in-service use, two inlet pipes 2 are external two metering tanks that contain reaction raw materials ethylene glycol methyl ether and sodium hydroxide respectively, add two kinds of reaction raw materials according to the settlement mode, and open agitator motor 3, make two kinds of reaction raw materials react completely, then slowly let in methyl chloride gas from L shape intake pipe 10, methyl chloride gas gets into the reaction liquid from the dispersion of gas disperser 9, and under spiral stirring vane 8's assistance, with the abundant thorough reaction of reaction liquid, close agitator motor 3 after the reaction finishes, from discharging pipe 11 output reaction material.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. The utility model provides a reation kettle is used in ethylene glycol dimethyl ether production, includes the cauldron body, its characterized in that: the up end center of the cauldron body is equipped with agitator motor, agitator motor's output has the (mixing) shaft through the coupling joint, the (mixing) shaft is worn to locate stretch into behind the up end center of the cauldron body in the cauldron body, the even symmetry of lower part is equipped with a plurality of spiral stirring vane in the (mixing) shaft, the up end of the cauldron body still is equipped with thermometer, pressure gauge and a plurality of inlet pipe, the upper portion of the cauldron body is equipped with the negative pressure interface, the lower terminal surface center of the cauldron body is equipped with the discharging pipe, the cover is equipped with L shape intake pipe just in the discharging pipe the right-hand member of L shape intake pipe is worn to locate on the lateral wall of discharging pipe, the upper end of L shape intake pipe is equipped with rather than the communicating gas disperser of gas circuit, the gas disperser is located the bottom of the cauldron body, the gas disperser with the (mixing) shaft spiral stirring vane mutually noninterfere sets up.
2. The reactor for producing ethylene glycol dimethyl ether according to claim 1, wherein: the gas disperser comprises four or six gas pipes which are uniformly and symmetrically arranged on the upper end of the L-shaped gas inlet pipe in a surrounding manner, and a plurality of gas holes are uniformly formed in the side wall of each gas pipe.
3. The reactor for producing ethylene glycol dimethyl ether according to claim 2, characterized in that: the cross section of the air pipe is circular or rhombic.
4. The reactor for producing ethylene glycol dimethyl ether according to claim 1, wherein: the side wall and the lower end of the kettle body are of sandwich structures.
5. The reactor for producing ethylene glycol dimethyl ether according to claim 4, wherein: the upper portion of sandwich structure is equipped with the liquid outlet, sandwich structure's lower part is equipped with the inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120067937.6U CN214863489U (en) | 2021-01-12 | 2021-01-12 | Reation kettle is used in ethylene glycol dimethyl ether production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120067937.6U CN214863489U (en) | 2021-01-12 | 2021-01-12 | Reation kettle is used in ethylene glycol dimethyl ether production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214863489U true CN214863489U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120067937.6U Active CN214863489U (en) | 2021-01-12 | 2021-01-12 | Reation kettle is used in ethylene glycol dimethyl ether production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214863489U (en) |
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2021
- 2021-01-12 CN CN202120067937.6U patent/CN214863489U/en active Active
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