CN212167425U - Acylation reaction kettle capable of reducing generation of impurities - Google Patents
Acylation reaction kettle capable of reducing generation of impurities Download PDFInfo
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- CN212167425U CN212167425U CN202020638318.3U CN202020638318U CN212167425U CN 212167425 U CN212167425 U CN 212167425U CN 202020638318 U CN202020638318 U CN 202020638318U CN 212167425 U CN212167425 U CN 212167425U
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- kettle body
- acylation reaction
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Abstract
The utility model discloses a can reduce acylation reaction cauldron that impurity generated, the reactor comprises a kettle, cauldron body top feed inlet is equipped with the feed valve, the bottom discharge mouth is equipped with the bleeder valve, the cauldron external side is equipped with heating coil, cauldron body side upper portion is equipped with the active carbon and throws the feed bin, the internal rabbling mechanism that is equipped with of cauldron, the rabbling mechanism is connected with the driving motor at cauldron body top, the internal level gauge that is equipped with of cauldron, the top of the cauldron body is equipped with the acetic anhydride buffer tank, the cauldron body is equipped with the lift cylinder, the internal upper portion of cauldron is equipped with lift cloth liquid ring, lift cloth liquid ring bottom is equipped with out the liquid head, the piston rod of lift cylinder passes cauldron body top, be connected with lift cloth liquid ring upper portion, acetic anhydride buffer tank bottom passes through the catheter and is connected with the one end of the pipe joint at cauldron body top, lift cloth liquid ring. The utility model discloses impurity formation during can effectively reduce the reaction has simple structure, convenient to use's advantage, is applicable to acylation reaction in the chemical production process.
Description
Technical Field
The utility model belongs to the technical field of chemical production equipment, concretely relates to can reduce acylation reaction cauldron that impurity generated.
Background
In the industrial synthesis process of the glyceryl triacetate, the purity of the glyceryl triacetate semi-finished product obtained after the esterification reaction is usually low, so that the processes of acid extraction, acylation, decoloration, neutralization, dehydration, filtration and the like are required to be carried out, and the quality of the finished product reaches the qualified standard. The acylation process is characterized in that acetic anhydride is used as an external material to carry out acylation reaction in an acylation kettle, and if the feeding speed of the acetic anhydride is too high, a large amount of impurities are generated, so that the acetic anhydride needs to be slowly added in production, but the slow feeding of the existing equipment has the problems of inconvenient operation and uneven feeding. For this reason, it is necessary to develop an acylation reaction vessel capable of solving the above problems.
Disclosure of Invention
An object of the utility model is to provide a can reduce acylation reaction cauldron that impurity generated.
The utility model aims at realizing the purpose, which comprises a kettle body, wherein a feed inlet at the top of the kettle body is provided with a feed valve, a discharge outlet at the bottom is provided with a discharge valve, the outer side of the kettle body is provided with a heating coil, the upper part of the side surface of the kettle body is provided with an active carbon feeding bin, the kettle body is internally provided with a stirring mechanism, the stirring mechanism is connected with a driving motor at the top of the kettle body, a liquid level meter is arranged in the kettle body, an acetic anhydride buffer tank is arranged above the kettle body, the kettle body is provided with a lifting cylinder, a lifting liquid distribution ring is arranged at the upper part in the kettle body, the lifting liquid distribution ring passes through the stirring mechanism, a plurality of liquid outlet heads are arranged at the bottom of the lifting liquid distribution ring, a piston rod of the lifting cylinder passes through the top of the kettle body, the acetic anhydride buffer tank is connected with one end of a pipeline joint at the top of the kettle body through a liquid guide pipe, and a liquid inlet at the top of the lifting liquid distribution ring is connected with the other end of the pipeline joint at the top of the kettle body through a hose.
The utility model has the advantages that: the lifting liquid distribution ring of the utility model is matched with the acetic anhydride buffer tank, the liquid guide pipe, the hose and the liquid outlet head arranged at the bottom of the lifting liquid distribution ring, so that the acetic anhydride can be slowly and uniformly fed into the kettle body, the generation of impurities in reaction can be effectively reduced, and the lifting liquid distribution ring has the advantages of simple structure and convenient use; the lifting liquid distribution ring also has a lifting function, so that the splashing degree of falling acetic anhydride is reduced, and stable feeding is guaranteed; the utility model is suitable for an acylation reaction in the chemical production process, specially adapted triacetin semi-manufactured goods acylation and decoloration technology.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-kettle body, 2-feed valve, 3-discharge valve, 4-heating coil, 5-active carbon feeding bin, 6-stirring mechanism, 7-driving motor, 8-liquid level meter, 9-acetic anhydride buffer tank, 10-lifting cylinder, 11-lifting liquid distribution ring, 12-liquid guide pipe and 13-hose.
Detailed Description
The following description of the present invention is provided with reference to the accompanying drawings, which are not intended to limit the present invention in any way, and any alterations or replacements made based on the teachings of the present invention are all within the protection scope of the present invention.
As shown in the attached figure 1, the utility model comprises a kettle body 1, a feed inlet at the top of the kettle body 1 is provided with a feed valve 2, a discharge outlet at the bottom is provided with a discharge valve 3, the outer side of the kettle body 1 is provided with a heating coil 4, the upper part of the side surface of the kettle body 1 is provided with an active carbon feeding bin 5, the kettle body 1 is internally provided with a stirring mechanism 6, the stirring mechanism 6 is connected with a driving motor 7 at the top of the kettle body 1, the kettle body 1 is internally provided with a liquid level meter 8, an acetic anhydride buffer tank 9 is arranged above the kettle body 1, the kettle body 1 is provided with a lifting cylinder 10, the upper part in the kettle body 1 is provided with a lifting liquid distribution ring 11, the lifting liquid distribution ring 11 passes through the stirring mechanism 6, the bottom of the lifting liquid distribution ring 11 is provided with a plurality of liquid outlet heads, a piston rod of the lifting cylinder 10 passes through the top of the kettle body 1 and is connected with the upper part of the lifting liquid distribution ring 11, the bottom, a liquid inlet at the top of the lifting liquid distribution ring 11 is connected with the other end of the pipeline joint at the top of the kettle body 1 through a hose 13.
Preferably, the upper part of the side surface of the kettle body 1 is provided with an active carbon feeding bin 5.
Preferably, there are at least two lifting cylinders 10, and the lifting cylinders are symmetrically arranged.
Preferably, the heating coil 4 is a steam heating coil.
Preferably, at least 2 liquid inlets are formed in the top of the lifting liquid distribution ring 11, and are uniformly distributed along the top of the ring body of the lifting liquid distribution ring 11, and one liquid inlet corresponds to one hose 13 and one liquid guide pipe 12.
Preferably, the catheter 12 is provided with a valve.
Preferably, said hose 13 is provided with a non-return valve.
Preferably, the number of the liquid outlets is at least 4, and the liquid outlets are uniformly distributed along the bottom of the ring body of the lifting liquid distribution ring 11.
Preferably, the top of the acetic anhydride buffer tank 9 is provided with an acetic anhydride liquid inlet pipe.
Preferably, the lifting liquid distribution ring 11 is of a hollow structure
Preferably, the hose 13 is a polytetrafluoroethylene hose.
Preferably, the axis of the kettle body 1 is coincident with the axis of the acetic anhydride buffer tank 9.
Preferably, the top of the kettle body 1 is provided with an emptying valve.
The utility model discloses theory of operation and working process: the glyceryl triacetate semi-finished product enters the kettle body 1 through the feed valve 2, and active carbon is put into the kettle body 1 through the active carbon feeding bin 5 and is used for decoloring the semi-finished product material; material liquid level in the 8 real-time supervision cauldron bodies of level gauge, according to the material liquid level, start lift cylinder 10, control lift cloth liquid ring 11 descends to a take the altitude above the liquid level, acetic anhydride gets into acetic anhydride buffer tank 9 by acetic anhydride feed liquor pipe, acetic anhydride in the acetic anhydride buffer tank 9 is under the effect of gravity, through catheter 12, in hose 13 gets into lift cloth liquid ring 11, then slowly just evenly flow into the feed liquid by the equipartition play liquid head in lift cloth liquid ring 11 bottom, can effectively reduce the formation of impurity.
Claims (10)
1. The acylation reaction kettle capable of reducing impurity generation comprises a kettle body (1) and is characterized in that a feed inlet at the top of the kettle body (1) is provided with a feed valve (2), a discharge outlet at the bottom is provided with a discharge valve (3), a heating coil (4) is arranged on the outer side of the kettle body (1), a stirring mechanism (6) is arranged in the kettle body (1), the stirring mechanism (6) is connected with a driving motor (7) at the top of the kettle body (1), a liquid level meter (8) is arranged in the kettle body (1), an acetic anhydride buffer tank (9) is arranged above the kettle body (1), the kettle body (1) is provided with a lifting cylinder (10), a lifting liquid distribution ring (11) is arranged at the upper part in the kettle body (1), the lifting liquid distribution ring (11) passes through the stirring mechanism (6), a plurality of liquid outlet heads are arranged at the bottom of the lifting liquid distribution ring (11), and a piston rod of the lifting cylinder (10) passes through the top of the kettle body (1, the device is connected with the upper part of a lifting liquid distribution ring (11), the bottom of an acetic anhydride buffer tank (9) is connected with one end of a pipeline joint at the top of the kettle body (1) through a liquid guide pipe (12), and a liquid inlet at the top of the lifting liquid distribution ring (11) is connected with the other end of the pipeline joint at the top of the kettle body (1) through a hose (13).
2. The acylation reaction kettle capable of reducing the generation of impurities according to claim 1, characterized in that an activated carbon feeding bin (5) is arranged at the upper part of the side surface of the kettle body (1).
3. The acylation reaction kettle capable of reducing the formation of impurities according to claim 1, characterized in that at least two lifting cylinders (10) are symmetrically arranged.
4. The acylation reaction kettle capable of reducing the formation of impurities according to claim 1, wherein the number of liquid inlets at the top of the lifting liquid distribution ring (11) is at least 2, and the liquid inlets are uniformly distributed along the top of the ring body of the lifting liquid distribution ring (11), and one liquid inlet corresponds to one hose (13) and one liquid guide pipe (12).
5. The acylation reaction kettle capable of reducing the formation of impurities according to claim 1, characterized in that the lifting liquid distribution ring (11) has a hollow structure.
6. Acylation reaction vessel with reduced impurity formation according to claim 1, characterized in that the hose (13) is provided with a non-return valve.
7. The acylation reaction kettle capable of reducing the formation of impurities according to claim 1, wherein the number of the liquid outlets is at least 4, and the liquid outlets are uniformly distributed along the bottom of the ring body of the lifting liquid distribution ring (11).
8. The acylation reaction kettle capable of reducing the formation of impurities according to claim 1, characterized in that the top of the acetic anhydride buffer tank (9) is provided with an acetic anhydride inlet pipe.
9. The acylation reaction kettle capable of reducing the formation of impurities according to claim 1, characterized in that the axis of the kettle body (1) is coincident with the axis of the acetic anhydride buffer tank (9).
10. The acylation reaction kettle capable of reducing the formation of impurities according to claim 1, characterized in that the top of the kettle body (1) is provided with an emptying valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020638318.3U CN212167425U (en) | 2020-04-24 | 2020-04-24 | Acylation reaction kettle capable of reducing generation of impurities |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020638318.3U CN212167425U (en) | 2020-04-24 | 2020-04-24 | Acylation reaction kettle capable of reducing generation of impurities |
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| Publication Number | Publication Date |
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| CN212167425U true CN212167425U (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020638318.3U Active CN212167425U (en) | 2020-04-24 | 2020-04-24 | Acylation reaction kettle capable of reducing generation of impurities |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114558531A (en) * | 2022-02-23 | 2022-05-31 | 湖北宇浩高科新材料有限公司 | Iron phosphate synthesis reaction device and reaction method |
| CN114849612A (en) * | 2022-05-12 | 2022-08-05 | 江苏永大化工机械有限公司 | ABC liquid phase reactor |
-
2020
- 2020-04-24 CN CN202020638318.3U patent/CN212167425U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114558531A (en) * | 2022-02-23 | 2022-05-31 | 湖北宇浩高科新材料有限公司 | Iron phosphate synthesis reaction device and reaction method |
| CN114849612A (en) * | 2022-05-12 | 2022-08-05 | 江苏永大化工机械有限公司 | ABC liquid phase reactor |
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