CN212954949U - Chlorobutane continuous production device - Google Patents
Chlorobutane continuous production device Download PDFInfo
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- CN212954949U CN212954949U CN202021572695.8U CN202021572695U CN212954949U CN 212954949 U CN212954949 U CN 212954949U CN 202021572695 U CN202021572695 U CN 202021572695U CN 212954949 U CN212954949 U CN 212954949U
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- pipe
- chlorobutane
- communicated
- tank
- hydrochloric acid
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- VFWCMGCRMGJXDK-UHFFFAOYSA-N 1-chlorobutane Chemical compound CCCCCl VFWCMGCRMGJXDK-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000010924 continuous production Methods 0.000 title claims abstract description 15
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims abstract description 65
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 238000000605 extraction Methods 0.000 claims abstract description 26
- 238000003860 storage Methods 0.000 claims abstract description 12
- 238000004821 distillation Methods 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 239000000945 filler Substances 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 23
- 238000009827 uniform distribution Methods 0.000 claims description 16
- 239000010865 sewage Substances 0.000 claims description 12
- 239000003513 alkali Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 239000008399 tap water Substances 0.000 claims description 3
- 235000020679 tap water Nutrition 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 4
- 239000012295 chemical reaction liquid Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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Abstract
The utility model discloses a chlorobutane continuous production device, which comprises an n-butyl alcohol tank and a hydrochloric acid tank; the n-butyl alcohol tank is communicated with the chlorobutane reaction kettle through an n-butyl alcohol conveying pipe; the hydrochloric acid tank is communicated with the chlorobutane reaction kettle through a conveying pipe of the hydrochloric acid tank; a first hydraulic pump, an electric regulating valve and a flow rate meter are arranged on the hydrochloric acid tank conveying pipe and the n-butyl alcohol conveying pipe; the top of the chlorobutane reaction kettle is communicated with a crude chlorobutane storage tank through a distillation pipe, and a first cooler is arranged on the distillation pipe; the bottom of the crude chlorobutane storage tank is communicated with the bottom of the extractor through a communicating pipe; the extractor comprises an extraction pipe, and the middle part of the extraction pipe is provided with a porous filler. The utility model discloses simple structure, convenient to use, entering ratio and the velocity of flow that can the automatic control raw materials guarantee that the reaction liquid level in the reation kettle keeps unanimous, and has realized the automatic quick extraction to hydrochloric acid in the result through the extraction tube, has guaranteed the pureness of result.
Description
The technical field is as follows:
the utility model belongs to the chemical industry field, concretely relates to chlorobutane continuous production device.
Background art:
the chlorobutane is produced by heating and reacting n-butanol and hydrochloric acid, and the conventional production method is to add the n-butanol and the hydrochloric acid into a reaction kettle at the same time, take out a reaction product from the reaction kettle after the reaction is finished, and distill the reaction product to obtain the chlorobutane. However, it has the following problems: 1. the production reaction can be carried out only in one batch, the production speed is low, and the reaction kettle is easy to crack and damage after being repeatedly cooled and heated. 2. The reactant contains hydrochloric acid, and the product obtained by distillation contains more hydrochloric acid, so that the product is impure. Chinese patent CN1069018A discloses a method for producing n-butyl chloride, i.e. distilling off chlorobutane and continuously supplementing raw materials during chlorobutane synthesis to carry out continuous production so as to solve the problem of slow batch production efficiency. However, the sequential feeding of the materials is carried out every hour, which causes a temporary decrease in the temperature in the reaction vessel every time the materials are fed, and affects the purity of the product.
The utility model has the following contents:
an object of the utility model is to provide a chlorobutane continuous production device, the utility model discloses simple structure, convenient to use, the entering ratio and the velocity of flow that can the automatic control raw materials guarantee that the reaction liquid level in the reation kettle keeps unanimous, and has realized the automatic quick extraction to hydrochloric acid in the result through the extraction tube, has guaranteed the purity of result.
In order to solve the above problem, the technical scheme of the utility model is that:
a chlorobutane continuous production device, which comprises an n-butanol tank and a hydrochloric acid tank; the n-butyl alcohol tank is communicated with the chlorobutane reaction kettle through an n-butyl alcohol conveying pipe; the hydrochloric acid tank is communicated with the chlorobutane reaction kettle through a conveying pipe of the hydrochloric acid tank; a first hydraulic pump, an electric regulating valve and a flow rate meter are arranged on the hydrochloric acid tank conveying pipe and the n-butyl alcohol conveying pipe; the top of the chlorobutane reaction kettle is communicated with a crude chlorobutane storage tank through a distillation pipe, and a first cooler is arranged on the distillation pipe; the bottom of the crude chlorobutane storage tank is communicated with the bottom of the extractor through a first communicating pipe; the extractor comprises an extraction pipe, and the middle part of the extraction pipe is provided with a porous filler; the lower part of the extraction tube is provided with a lower porous uniform distribution plate; the upper part is provided with an upper first porous uniform distribution plate and an upper second porous uniform distribution plate; a tap water pipe is communicated between the upper first porous uniform distribution plate and the upper second porous uniform distribution plate; the first communicating pipe is provided with a discharging pump and is communicated with one side of the bottom of the extraction pipe; the other side of the bottom of the extraction tube is communicated with a sewage outlet pipe; the top of the extractor is communicated with a rectifying tower, and the top of the rectifying tower is communicated with a chlorobutane storage tank through a second cooler.
In a further improvement, a high-temperature-resistant liquid level meter is arranged in the chlorobutane reaction kettle; the high temperature resistant liquid level meter is wirelessly connected with the electric regulating valve and the flow meter.
In a further improvement, the hydrochloric acid tank conveying pipe and the n-butanol conveying pipe both pass through a mixer and a chlorobutane reaction kettle.
In a further refinement, the mixer is a static mixer.
In a further improvement, a plurality of ultrasonic vibrators are fixed outside the extraction pipe.
The sewage treatment device is further improved in that the sewage outlet pipe is communicated with a stirring and mixing tank, a pH meter is installed in the stirring and mixing tank, the bottom of the stirring and mixing tank is communicated with a liquid outlet pipe, and a first electromagnetic valve is installed on the liquid outlet pipe; the top of the stirring and mixing tank is communicated with a main communicating pipe, and the main communicating pipe is communicated with an alkali liquor tank through a first branch pipe and a second branch pipe respectively; the first branch pipe is provided with a second electromagnetic valve, and the second branch pipe is provided with a third electromagnetic valve; the valve port of the second electromagnetic valve is smaller than the valve port of the third electromagnetic valve.
In a further improvement, the sewage outlet pipe is communicated with the stirring and mixing tank through a buffer tank; the bottom of the buffer tank is communicated with the top of the stirring and mixing tank through a fourth electromagnetic valve; the buffer tank is arranged above the stirring and mixing tank.
The utility model has the advantages that:
the utility model discloses simple structure, convenient to use, entering ratio and the velocity of flow that can the automatic control raw materials guarantee that the reaction liquid level in the reation kettle keeps unanimous, and has realized the automatic quick extraction to hydrochloric acid in the result through the extraction tube, has guaranteed the pureness of result.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
The specific implementation mode is as follows:
in order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention will be described in detail with reference to the accompanying drawings. Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
Example 1
A chlorobutane continuous production apparatus shown in fig. 1, comprising an n-butanol tank 1 and a hydrochloric acid tank 2; the n-butyl alcohol tank 1 is communicated with a chlorobutane reaction kettle 4 through an n-butyl alcohol delivery pipe 3; the hydrochloric acid tank 2 is communicated with a chlorobutane reaction kettle 4 through a hydrochloric acid tank conveying pipe 5; the hydrochloric acid tank conveying pipe 5 and the n-butanol conveying pipe 3 are respectively provided with a first hydraulic pump 6, an electric regulating valve 7 and a flow rate meter 36; the top of the chlorobutane reaction kettle 4 is communicated with a crude chlorobutane storage tank 8 through a distillation pipe 20, and a first cooler 21 is arranged on the distillation pipe 20; the bottom of the crude chlorobutane storage tank 8 is communicated with the bottom of the extractor 10 through a first communication pipe 9; the extractor 10 comprises an extraction pipe 11, and a porous filler 12 is arranged in the middle of the extraction pipe 11; the lower part of the extraction tube 11 is provided with a lower porous uniform distribution plate 13; the upper part is provided with an upper first porous uniform distribution plate 14 and an upper second porous uniform distribution plate 15; a tap water pipe 16 is communicated between the upper first porous uniform distribution plate 14 and the upper second porous uniform distribution plate 15; the first communicating pipe 9 is provided with a discharging pump 17 and communicated with one side of the bottom of the extracting pipe 11; the other side of the bottom of the extraction pipe 11 is communicated with a sewage outlet pipe 18; the top of the extractor 10 is communicated with a rectifying tower 19, and the top of the rectifying tower 19 is communicated with a chlorobutane storage tank 23 through a second cooler 22.
A high-temperature-resistant liquid level meter 24 is arranged in the chlorobutane reaction kettle 4; the high temperature resistant liquid level meter 24 is wirelessly connected with the electric regulating valve 7 and the flow meter 36. The hydrochloric acid tank conveying pipe 5 and the n-butanol conveying pipe 3 are connected with the chlorobutane reaction kettle 4 through a mixer 25.
The mixer 25 is a static mixer. A plurality of ultrasonic vibrators 26 are fixed outside the extraction tube 11.
The sewage outlet pipe 18 is communicated with a stirring and mixing tank 27, a pH meter 28 is arranged in the stirring and mixing tank 27, the bottom of the stirring and mixing tank 27 is communicated with a liquid outlet pipe 39, and a first electromagnetic valve 29 is arranged on the liquid outlet pipe 39; the top of the stirring and mixing tank 27 is communicated with a main communicating pipe 30, and the communicating pipe 30 is communicated with an alkali liquor tank 33 through a first branch pipe 31 and a second branch pipe 32 respectively; the first branch pipe 31 is provided with a second electromagnetic valve 34, and the second branch pipe 32 is provided with a third electromagnetic valve 35; the valve port of the second solenoid valve 34 is smaller than the valve port of the third solenoid valve 35. The sewage outlet pipe 18 is communicated with the stirring and mixing tank 27 through a buffer tank 37; the bottom of the buffer tank 37 is communicated with the top of the stirring and mixing tank 27 through a fourth electromagnetic valve 38; the buffer tank 37 is located above the agitation mixing tank 27.
The utility model discloses a use method as follows:
n-butyl alcohol and hydrochloric acid are conveyed to a chlorobutane reaction kettle 4 from an n-butyl alcohol tank 1 and a hydrochloric acid tank 2 for reaction, in the adding process, the flow velocity and the flow velocity ratio of the n-butyl alcohol tank 1 and the hydrochloric acid tank 2 are adjusted through an electric adjusting valve 7, the liquid level in the chlorobutane reaction kettle 4 is controlled to be within a preset threshold range through a high-temperature-resistant liquid level meter 24, the valve port of the electric adjusting valve 7 is controlled to be opened to be large when the liquid level is lower than the set threshold range, and the valve port of the electric adjusting valve 7 is controlled to be opened to be small when the liquid level is higher than the set threshold, so that the. N-butyl alcohol and partial hydrochloric acid and the like are distilled out of a chlorobutane reaction kettle, are cooled in a crude chlorobutane storage tank 8, are extracted into an extraction pipe 11, and because chlorobutane is insoluble in water and has density lower than that of water, the chlorobutane enters through a lower porous uniform distribution plate 13 and rises in the extraction pipe 11, is mixed with water in a porous filler 12 (uniformly mixed by vibration of an ultrasonic vibrator), is extracted to obtain hydrochloric acid, and then rises to the top to enter a rectifying tower 19 for rectification to obtain chlorobutane. The water flows from top to bottom, the sewage extracted with the hydrochloric acid firstly enters a buffer tank 37 and then flows into a stirring and mixing tank 27, the stirring and mixing tank 27 is added with alkaline liquid such as sodium hydroxide and the like through an alkaline liquid tank 33, when the alkaline liquid is added, a pH meter 28 senses pH, when the pH is lower than 6, a third electromagnetic valve 35 is controlled to be opened, the alkaline liquid is rapidly added into the stirring and mixing tank 27, when the pH is not less than 6, the third electromagnetic valve 35 is controlled to be closed, a second electromagnetic valve 34 is opened, the alkaline liquid entering speed is reduced, so that excessive alkaline liquid is prevented from being added, when the pH is 7, the second electromagnetic valve 34 and a fourth electromagnetic valve 38 of the third electromagnetic valve 35 are controlled to be closed, a first electromagnetic valve 29 is opened, the water in the water; the first solenoid valve 29 is closed and the fourth solenoid valve 38 is closed, so that the sewage in the buffer tank 37 enters the agitation mixing tank 27. A second liquid level meter wirelessly connected with the first electromagnetic valve and the fourth electromagnetic valve is arranged in the stirring and mixing tank 27.
The above embodiment is only a specific embodiment of the present invention, and is not intended as a limitation of the present invention, and any simple modification and replacement thereof are within the scope of the present invention.
Claims (7)
1. A chlorobutane continuous production device is characterized by comprising an n-butanol tank (1) and a hydrochloric acid tank (2); the n-butyl alcohol tank (1) is communicated with the chlorobutane reaction kettle (4) through an n-butyl alcohol delivery pipe (3); the hydrochloric acid tank (2) is communicated with the chlorobutane reaction kettle (4) through a hydrochloric acid tank conveying pipe (5); a first hydraulic pump (6), an electric regulating valve (7) and a flow rate meter (36) are respectively arranged on the hydrochloric acid tank conveying pipe (5) and the n-butanol conveying pipe (3); the top of the chlorobutane reaction kettle (4) is communicated with a crude chlorobutane storage tank (8) through a distillation pipe (20), and the distillation pipe (20) is provided with a first cooler (21); the bottom of the crude chlorobutane storage tank (8) is communicated with the bottom of the extractor (10) through a first communicating pipe (9); the extractor (10) comprises an extraction pipe (11), and the middle part of the extraction pipe (11) is provided with a porous filler (12); the lower part of the extraction tube (11) is provided with a lower porous uniform distribution plate (13); the upper part is provided with an upper first porous uniform distribution plate (14) and an upper second porous uniform distribution plate (15); a tap water pipe (16) is communicated between the upper first porous uniform distribution plate (14) and the upper second porous uniform distribution plate (15); the first communicating pipe (9) is provided with a discharge pump (17) and is communicated with one side of the bottom of the extracting pipe (11); the other side of the bottom of the extraction pipe (11) is communicated with a sewage outlet pipe (18); the top of the extractor (10) is communicated with a rectifying tower (19), and the top of the rectifying tower (19) is communicated with a chlorobutane storage tank (23) through a second cooler (22).
2. The continuous production device of chlorobutane of claim 1, wherein a high temperature resistant liquid level meter (24) is installed in the chlorobutane reaction kettle (4); the high temperature resistant liquid level meter (24) is wirelessly connected with the electric regulating valve (7) and the flow meter (36).
3. A chlorobutane continuous production apparatus as claimed in claim 2, wherein the hydrochloric acid tank delivery pipe (5) and the n-butanol delivery pipe (3) are connected with the chlorobutane reaction kettle (4) through a mixer (25).
4. A chlorobutane continuous production apparatus as claimed in claim 3, wherein said mixer (25) is a static mixer.
5. A chlorobutane continuous production apparatus as claimed in claim 1, wherein a plurality of ultrasonic vibrators (26) are fixed outside said extraction tube (11).
6. The continuous production device of chlorobutane according to claim 1, wherein the sewage outlet pipe (18) is communicated with a stirring and mixing tank (27), a pH meter (28) is installed in the stirring and mixing tank (27), a liquid outlet pipe (39) is communicated with the bottom of the stirring and mixing tank (27), and a first electromagnetic valve (29) is installed on the liquid outlet pipe (39); the top of the stirring and mixing tank (27) is communicated with a main communicating pipe (30), and the main communicating pipe (30) is communicated with an alkali liquor tank (33) through a first branch pipe (31) and a second branch pipe (32) respectively; a second electromagnetic valve (34) is arranged on the first branch pipe (31), and a third electromagnetic valve (35) is arranged on the second branch pipe (32); the valve port of the second electromagnetic valve (34) is smaller than the valve port of the third electromagnetic valve (35).
7. A chlorobutane continuous production unit as claimed in claim 6, wherein the sewage outlet pipe (18) is communicated with the stirring and mixing tank (27) through a buffer tank (37); the bottom of the buffer tank (37) is communicated with the top of the stirring and mixing tank (27) through a fourth electromagnetic valve (38); the buffer tank (37) is positioned above the stirring and mixing tank (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021572695.8U CN212954949U (en) | 2020-07-31 | 2020-07-31 | Chlorobutane continuous production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021572695.8U CN212954949U (en) | 2020-07-31 | 2020-07-31 | Chlorobutane continuous production device |
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| Publication Number | Publication Date |
|---|---|
| CN212954949U true CN212954949U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021572695.8U Active CN212954949U (en) | 2020-07-31 | 2020-07-31 | Chlorobutane continuous production device |
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| CN (1) | CN212954949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116621674A (en) * | 2023-05-09 | 2023-08-22 | 岳阳隆兴实业有限公司 | Purification method of crude chlorobutane |
-
2020
- 2020-07-31 CN CN202021572695.8U patent/CN212954949U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116621674A (en) * | 2023-05-09 | 2023-08-22 | 岳阳隆兴实业有限公司 | Purification method of crude chlorobutane |
| CN116621674B (en) * | 2023-05-09 | 2024-05-14 | 岳阳隆兴实业有限公司 | Purification method of crude chlorobutane |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 414014 Yuehua second industrial zone, Yunxi District, Yueyang City, Hunan Province Patentee after: Yueyang Longxing Industrial Co.,Ltd. Address before: 414014 Yuehua second industrial zone, Yunxi District, Yueyang City, Hunan Province Patentee before: Yueyang Longxing Industrial Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |