CN219941801U - Methyl alcohol recovery unit for esterification reaction cauldron - Google Patents
Methyl alcohol recovery unit for esterification reaction cauldron Download PDFInfo
- Publication number
- CN219941801U CN219941801U CN202321371805.8U CN202321371805U CN219941801U CN 219941801 U CN219941801 U CN 219941801U CN 202321371805 U CN202321371805 U CN 202321371805U CN 219941801 U CN219941801 U CN 219941801U
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- China
- Prior art keywords
- fixedly connected
- reaction kettle
- pipe
- wall
- esterification reaction
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 238000011084 recovery Methods 0.000 title claims abstract description 46
- 238000005886 esterification reaction Methods 0.000 title claims abstract description 24
- 238000009833 condensation Methods 0.000 claims abstract description 21
- 230000005494 condensation Effects 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000009826 distribution Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 20
- 239000000498 cooling water Substances 0.000 abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000032050 esterification Effects 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 150000004715 keto acids Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- QABLOFMHHSOFRJ-UHFFFAOYSA-N methyl 2-chloroacetate Chemical compound COC(=O)CCl QABLOFMHHSOFRJ-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a methanol recovery device for an esterification reaction kettle, which comprises a reaction kettle, wherein an output pipe is fixedly connected to the top of one side of the reaction kettle, a condensation barrel is arranged on one side of the reaction kettle, symmetrically distributed connecting pipes are rotationally connected to the two sides of the condensation barrel, when methanol is recovered, the inside of the reaction kettle is heated through the esterification reaction kettle, so that the methanol is evaporated, the evaporated methanol flows into the connecting pipes through the output pipe and then is split through a plurality of split pipes, a large gear rotates to drive the connecting pipes to rotate, a circulating pump is started at the same time, cooling water is conveyed to the conveying pipes and enters the condensation barrel by the circulating pump, when the cooling water circulates in a cavity, steam in the plurality of split pipes is condensed through the cooling water, the steam is condensed into small water drops, and is recovered into a recovery box through the recovery pipe, namely, the recovery of the methanol is completed, the steam is split through the plurality of split pipes, so that the steam is more rapidly condensed, the recovery efficiency is improved.
Description
Technical Field
The utility model relates to the field of esterification reaction, in particular to a methanol recovery device for an esterification reaction kettle.
Background
The esterification reaction is an organic chemical reaction, mainly the reaction of alcohol and carboxylic acid or inorganic oxo acid to generate ester and water. The reaction of carboxylic acid with alcohol, inorganic oxyacid with alcohol and inorganic strong acid with alcohol are classified into three types. The esterification of carboxylic acids with alcohols is reversible and generally very slow, so concentrated sulfuric acid is often used as a catalyst. The polycarboxylic acid reacts with the alcohol to form various esters. The reaction of the inorganic strong acid with the alcohol is generally faster. Typical esterification reactions are reactions of ethanol and acetic acid to produce ethyl acetate having an aromatic smell, which is a raw material for manufacturing dyes and medicines. The esterification reaction is widely applied to the fields of organic synthesis and the like.
The utility model improves under the prior art, in the prior art, methanol is produced through esterification reaction in the methyl chloroacetate production process, the methanol needs to be recovered, the existing methanol recovery device generally directly adopts a reflux pipe to condense when flowing through a condensing pipe, the heat exchange efficiency between steam and condensed water is lower, the condensation efficiency is lower, and the recovery efficiency of the methanol is lower.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a methanol recovery device for an esterification reaction kettle.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a methyl alcohol recovery unit for esterification reaction cauldron, includes reation kettle, one side top fixedly connected with output tube of reation kettle, one side of reation kettle is equipped with the condensation bucket, the both sides of condensation bucket rotate and are connected with symmetric distribution's connecting pipe, two sets of fixedly connected with a plurality of equidistance shunt tubes of distributing between the connecting pipe, one side of condensation bucket be equipped with reation kettle fixed connection's circulating pump, circulating pump's inlet fixedly connected with back flow, one side top and back flow fixed connection that the condensation bucket is close to the back flow, circulating pump's liquid outlet fixedly connected with conveyer pipe, the other end and the condensation bucket fixed connection of conveyer pipe, one side that the condensation bucket is close to the back flow rotates and is connected with a plurality of equidistance pivot that distribute, and the outer wall fixedly connected with first bevel gear of pivot.
As still further aspects of the utility model: the condensing barrel is characterized in that a large gear fixedly sleeved with the outer wall of the connecting pipe is arranged below the condensing barrel, a pinion is meshed with one side of the large gear, a transmission shaft is fixedly connected to the inner wall of the pinion, a mounting plate is fixedly connected to the outer wall of the reaction kettle, a motor is fixedly connected to the mounting plate, and an output shaft of the motor is fixedly connected with the transmission shaft.
As still further aspects of the utility model: the outer wall of the rotating shaft is fixedly sleeved with a belt pulley, and a plurality of belt pulleys are connected through a belt.
As still further aspects of the utility model: the outer wall of the transmission shaft is rotationally connected with a support plate fixedly connected with the condensing barrel, a first bevel gear is fixedly sleeved on the outer wall of one end of the transmission shaft extending out of the top of the support plate, a second bevel gear is fixedly sleeved on the outer wall of the transmission shaft, which is positioned at the lowest part, and the second bevel gear is meshed with the first bevel gear.
As still further aspects of the utility model: a cavity is formed in the condensing barrel, and the shunt tube is located in the cavity.
As still further aspects of the utility model: one end of the output pipe far away from the reaction kettle is rotationally connected with the connecting pipe, the other end of the output pipe is rotationally connected with the recovery pipe, the other end of the recovery pipe is fixedly connected with the recovery box, the outer wall of the reaction kettle is fixedly connected with symmetrically distributed transverse plates, and the two transverse plates are respectively fixedly connected with the output pipe and the recovery pipe.
The utility model has the following beneficial effects:
1. according to the utility model, when methanol is recovered, the inside of the esterification reaction kettle is heated, so that the methanol is evaporated, the evaporated methanol flows into a connecting pipe through an output pipe and then is split through a plurality of split pipes, a motor is started, an output shaft of the motor rotates to drive a transmission shaft to rotate so as to drive a pinion to rotate so as to drive a connecting pipe to rotate, a circulating pump is started at the same time, cooling water is conveyed to a conveying pipe by the circulating pump and enters a condensing barrel, when the cooling water flows in a cavity, steam in the plurality of split pipes is condensed through the cooling water, the steam is condensed into small water drops, and is recovered into a recovery box through a recovery pipe, namely, the recovery of the methanol is completed, and the steam is split through the plurality of split pipes, so that the steam is condensed more quickly, the recovery is accelerated, and the recovery efficiency is improved;
2. in the utility model, in the recycling process, the cooling water with heat flows back through the return pipe, and when the cooling water flows back, the transmission shaft rotates to drive the first bevel gear to rotate so as to drive the second bevel gear to rotate, and the heat dissipation fan rotates to cool the cooling water flowing back in the return pipe through a plurality of belt pulleys and belts.
Drawings
FIG. 1 is a schematic diagram of a methanol recovery device for an esterification reactor according to the present utility model;
FIG. 2 is a partial side view of a methanol recovery device for an esterification reactor according to the present utility model;
fig. 3 is an enlarged schematic view of the structure at a in fig. 2 according to the present utility model.
Legend description:
the reaction kettle 1, an output pipe 2, a connecting pipe 3, a cross plate 4, a condensing barrel 5, a cavity 6, a shunt pipe 7, a large gear 8, a recovery pipe 9, a recovery box 10, a return pipe 11, a conveying pipe 12, a circulating pump 13, a first bevel gear 14, a second bevel gear 15, a belt pulley 16, a rotating shaft 17, a heat dissipation fan 18, a transmission shaft 19, a pinion 20, a motor 21, a mounting plate 22 and a support plate 23.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to figures 1-3, the methanol recovery device for an esterification reaction kettle provided by the utility model comprises a reaction kettle 1, wherein an output pipe 2 is fixedly connected to the top of one side of the reaction kettle 1, a condensation barrel 5 is arranged on one side of the reaction kettle 1, two sides of the condensation barrel 5 are rotationally connected with symmetrically distributed connecting pipes 3, a plurality of equally distributed shunt pipes 7 are fixedly connected between the two groups of connecting pipes 3, one side of the condensation barrel 5 is provided with a circulating pump 13 fixedly connected with the reaction kettle 1, a liquid inlet of the circulating pump 13 is fixedly connected with a return pipe 11, the top of one side of the condensation barrel 5, which is close to the return pipe 11, is fixedly connected with a conveying pipe 12, the other end of the conveying pipe 12 is fixedly connected with the condensation barrel 5, one side of the condensation barrel 5, which is close to the return pipe 11, is rotationally connected with a plurality of equally distributed rotating shafts 17, and the outer wall of the rotating shafts 17 is fixedly connected with a first bevel gear 14, a large gear 8 fixedly sleeved on the outer wall of the connecting pipe 3 is arranged below the condensing barrel 5, a small gear 20 is meshed with one side of the large gear 8, a transmission shaft 19 is fixedly connected to the inner wall of the small gear 20, a mounting plate 22 is fixedly connected to the outer wall of the reaction kettle 1, a motor 21 is fixedly connected to the mounting plate 22, an output shaft of the motor 21 is fixedly connected with the transmission shaft 19, a belt pulley 16 is fixedly sleeved on the outer wall of the rotating shaft 17, a plurality of belt pulleys 16 are connected through a belt, a support plate 23 fixedly connected with the condensing barrel 5 is rotatably connected to the outer wall of the transmission shaft 19, a first bevel gear 14 is fixedly sleeved on the outer wall of one end of the transmission shaft 19 extending out of the top of the support plate 23, a second bevel gear 15 is fixedly sleeved on the outer wall of one rotating shaft 17 positioned at the lowest position, the second bevel gear 15 is meshed with the first bevel gear 14, a cavity 6 is formed in the condensing barrel 5, the shunt tubes 7 are located in the cavity 6, one end of the output tube 2 away from the reaction kettle 1 is rotationally connected with the connecting tube 3, the bottom of the other connecting tube 3 is rotationally connected with the recovery tube 9, the other end of the recovery tube 9 is fixedly connected with the recovery box 10, the outer wall of the reaction kettle 1 is fixedly connected with symmetrically distributed transverse plates 4, and the two transverse plates 4 are respectively fixedly connected with the output tube 2 and the recovery tube 9.
Working principle:
according to the utility model, when methanol is recovered, the inside of the esterification reaction kettle is heated, so that the methanol is evaporated, the evaporated methanol flows into the connecting pipe 3 through the output pipe 2 and then is split through the plurality of split pipes 7, the motor 21 is started, the output shaft of the motor 21 rotates to drive the transmission shaft 19 to rotate so as to drive the pinion 20 to rotate, the large gear 8 rotates so as to drive the connecting pipe 3 to rotate, meanwhile, the circulating pump 13 is started, the circulating pump 13 conveys cooling water to the conveying pipe 12 and enters the condensing barrel 5, when the cooling water flows in the cavity 6, steam in the plurality of split pipes 7 is condensed through the cooling water, the steam is condensed into small water beads, and is recovered into the recovery box 10 through the recovery pipe 9, so that the recovery of the methanol is completed, the steam is split through the plurality of split pipes 7, the steam is more rapidly condensed, the recovery is accelerated, and the recovery efficiency is improved;
in actual use, the three-way pipe can be arranged between the conveying pipe 12 and the circulating pump 13, so that cooling water enters the circulating pump 13 through the three-way pipe and circulates, and the three-way pipe is not shown in the figure;
in the utility model, during the recovery process, the cooling water with heat flows back through the return pipe 11, and when the cooling water flows back, the transmission shaft 19 rotates to drive the first bevel gear 14 to rotate so as to drive the second bevel gear 15 to rotate, and the cooling fan heat 18 rotates to cool the cooling water flowing back in the return pipe 11 through the plurality of belt pulleys 16 and belts.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a methyl alcohol recovery unit for esterification reaction cauldron, includes reation kettle (1), its characterized in that: one side top fixedly connected with output tube (2) of reation kettle (1), one side of reation kettle (1) is equipped with condensation bucket (5), the both sides rotation of condensation bucket (5) are connected with connecting pipe (3) of symmetric distribution, two sets of fixedly connected with shunt tubes (7) of a plurality of equidistance distributions between connecting pipe (3), one side of condensation bucket (5) be equipped with reation kettle (1) fixedly connected with circulating pump (13), the inlet fixedly connected with back flow (11) of circulating pump (13), one side top and back flow (11) fixedly connected with that one side top that is close to back flow (11) of condensation bucket (5), the liquid outlet fixedly connected with conveyer pipe (12) of circulating pump (13), the other end and condensation bucket (5) fixedly connected with of conveyer pipe (12), one side rotation that is close to back flow (11) is connected with pivot (17) of a plurality of equidistance distribution, and the outer wall fixedly connected with first bevel gear (14) of pivot (17).
2. The methanol recovery device for an esterification reaction kettle according to claim 1, wherein: the utility model discloses a condensing barrel, including condensing barrel (5), connecting pipe (3) and connecting shaft, the below of condensing barrel (5) is equipped with gear wheel (8) fixedly cup jointed with connecting pipe (3) outer wall, one side meshing of gear wheel (8) has pinion (20), the inner wall fixedly connected with transmission shaft (19) of pinion (20), the outer wall fixedly connected with mounting panel (22) of reation kettle (1), fixedly connected with motor (21) on mounting panel (22), and the output shaft and transmission shaft (19) fixed connection of motor (21).
3. The methanol recovery device for an esterification reaction kettle according to claim 1, wherein: the outer wall of the rotating shaft (17) is fixedly sleeved with belt pulleys (16), and a plurality of belt pulleys (16) are connected through belts.
4. The methanol recovery device for an esterification reaction kettle according to claim 2, characterized in that: the outer wall of the transmission shaft (19) is rotationally connected with a support plate (23) fixedly connected with the condensing barrel (5), a first bevel gear (14) is fixedly sleeved on the outer wall of one end of the transmission shaft (19) extending out of the top of the support plate (23), a second bevel gear (15) is fixedly sleeved on the outer wall of the rotating shaft (17) positioned at the lowest part, and the second bevel gear (15) is meshed with the first bevel gear (14).
5. The methanol recovery device for an esterification reaction kettle according to claim 1, wherein: a cavity (6) is formed in the condensing barrel (5), and the shunt tube (7) is positioned in the cavity (6).
6. The methanol recovery device for an esterification reaction kettle according to claim 1, wherein: one end that reation kettle (1) was kept away from to output tube (2) rotates with connecting pipe (3) to be connected, another the bottom of connecting pipe (3) rotates and is connected with recovery pipe (9), the other end fixedly connected with recovery box (10) of recovery pipe (9), the outer wall fixedly connected with symmetric distribution's of reation kettle (1 diaphragm (4), two diaphragm (4) respectively with output tube (2), recovery pipe (9) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321371805.8U CN219941801U (en) | 2023-06-01 | 2023-06-01 | Methyl alcohol recovery unit for esterification reaction cauldron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321371805.8U CN219941801U (en) | 2023-06-01 | 2023-06-01 | Methyl alcohol recovery unit for esterification reaction cauldron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219941801U true CN219941801U (en) | 2023-11-03 |
Family
ID=88542108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321371805.8U Active CN219941801U (en) | 2023-06-01 | 2023-06-01 | Methyl alcohol recovery unit for esterification reaction cauldron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219941801U (en) |
-
2023
- 2023-06-01 CN CN202321371805.8U patent/CN219941801U/en active Active
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