CN214319168U - Continuous rectification device for chemical production - Google Patents
Continuous rectification device for chemical production Download PDFInfo
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- CN214319168U CN214319168U CN202022991560.1U CN202022991560U CN214319168U CN 214319168 U CN214319168 U CN 214319168U CN 202022991560 U CN202022991560 U CN 202022991560U CN 214319168 U CN214319168 U CN 214319168U
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Abstract
The utility model discloses a chemical production is with continuous rectification device belongs to chemical industry equipment technical field. The device comprises a first rectifying tower and a second rectifying tower, wherein a first condenser is arranged at the top of the first rectifying tower, a discharge hole is formed in the first condenser, a feed inlet is formed in the side wall of the second rectifying tower, and a connecting pipe is connected between the feed inlet and the discharge hole; the bottom of the first rectifying tower is provided with a heating device, the side wall of the first rectifying tower is provided with a liquid inlet, and the liquid inlet is connected with a liquid inlet pipe; a plurality of groups of packing layers are arranged in the first rectifying tower, a first steam outlet is arranged at the top of the first rectifying tower, and the first steam outlet is communicated with a first condenser; the top of the second rectifying tower is communicated with a second condenser, and the second condenser is connected with a tower top emptying pipe and a tower top discharge hole. The device divides the existing rectifying tower into two rectifying tower continuous rectifying setting methods, reduces the condition of material blockage, makes the material rectifying process more thorough, greatly improves the rectifying efficiency, improves the product purity after refining simultaneously, and has good practicability.
Description
Technical Field
The utility model belongs to the technical field of chemical industry equipment, concretely relates to chemical production is with continuous rectification device.
Background
Rectification is a distillation method for separating a liquid mixture with high purity by utilizing reflux, is an important step for refining important chemicals, has wide industrial application in the separation operation of the liquid mixture, and has very application effects in the fields of petroleum, chemical industry, light industry, video, metallurgy and the like.
The existing rectification process often has the condition of filler blockage, and once the blockage condition is generated, the liquid mixture is unevenly distributed, the pressure drop is high, the rectification effect is poor, the separation capacity of the organic solvent is poor, the cost investment is large, and the benefit is poor. In the process of clearing up the jam, need a large amount of manpowers, waste time influences the engineering progress, so need a rectification device that the rectification is efficient and is difficult for producing the jam, even produce the jam and also need easily clear up.
Disclosure of Invention
To the problem that exists among the prior art, the to-be-solved technical problem of the utility model lies in providing a chemical production is with continuous rectifier unit, and the device divide into the setting method of two rectifying column continuous rectification with current rectifying column, reduces the condition that produces the material jam, makes material rectification process more thorough, and rectification efficiency improves greatly, and the great improvement of product purity after the refining simultaneously has fine practicality.
In order to solve the above problem, the utility model adopts the following technical scheme:
a continuous rectifying device for chemical production comprises a first rectifying tower and a second rectifying tower, wherein a first condenser is arranged at the top of the first rectifying tower, a discharge hole is formed in the first condenser, a feed inlet is formed in the lower side wall of the second rectifying tower, and a connecting pipe is connected between the feed inlet and the discharge hole;
the bottom of the first rectifying tower is provided with a heating device, the side wall of the first rectifying tower is provided with a liquid inlet, and the liquid inlet is connected with a liquid inlet pipe; a plurality of groups of packing layers are arranged in the first rectifying tower, a first steam outlet is arranged at the top of the first rectifying tower, and the first steam outlet is communicated with a first condenser; the feeding pipe is arranged above the heating device;
the top of second rectifying column is equipped with second steam outlet, second steam outlet and second condenser intercommunication, be connected with top of the tower evacuation pipe and top of the tower discharge gate on the second condenser.
The continuous rectifying device for chemical production is characterized in that packing layers in the first rectifying tower and the second rectifying tower have the same structure.
The continuous rectifying device for chemical production is characterized in that a liquid distributor is arranged above a packing layer, a packing support plate is arranged below a packing, and the support plate is fixed on the inner wall of a re-packing tower.
The continuous rectification device for chemical production is characterized in that the liquid distributor is a tubular liquid distributor, a groove type liquid distributor or a modular collection redistributor.
The continuous rectification device for chemical production comprises a packing layer and a metal packing layer, wherein the packing layer comprises a metal packing layer and a ceramic corrugated packing layer, the metal packing layer is arranged above the ceramic corrugated packing layer, and the thickness ratio of the metal packing layer to the ceramic corrugated packing layer is 1: 2-1: 5.
The continuous rectifying device for chemical production is characterized in that 6-8 packing layers are arranged in the first rectifying tower, and 3-5 packing layers are arranged in the second rectifying tower.
The continuous rectifying device for chemical production is characterized in that the heating device is an electric heating wire.
Has the advantages that: compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses divide into the setting method of two rectifying towers continuous rectification with current rectifying tower, on the one hand can reduce the condition that produces the material jam, the rectifying tower height reduces half can reduce the maintenance degree of difficulty; on the other hand, the continuous rectification process ensures that the material rectification process is more thorough, the rectification efficiency is greatly improved, and meanwhile, the purity of the refined product is greatly improved, so that the method has good practicability.
Drawings
FIG. 1 is a schematic structural diagram of a continuous rectification device for chemical production.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
Example 1
A continuous rectification device for chemical production is shown in figure 1. As can be seen from figure 1, the device comprises a first rectifying tower 1 and a second rectifying tower 2, wherein a first condenser 3 is arranged at the top of the first rectifying tower 1, a discharge hole is formed in the first condenser 3, a feed inlet is formed in the lower side wall of the second rectifying tower 2, and a connecting pipe 5 is connected between the feed inlet and the discharge hole; the bottom of the first rectifying tower 1 is provided with a heating device, the side wall of the first rectifying tower is provided with a liquid inlet, and the liquid inlet is connected with a liquid inlet pipe 6; a plurality of groups of packing layers are arranged in the first rectifying tower 1, a first steam outlet is arranged at the top of the first rectifying tower and is communicated with the first condenser 3; the feeding pipe 6 is arranged above the heating device; the top of the second rectifying tower 2 is provided with a second steam outlet which is communicated with a second condenser 4, and the second condenser 4 is connected with a tower top emptying pipe 10 and a tower top discharge hole 11.
The working process is as follows: the liquid mixture enters the first rectifying tower 1 through the liquid inlet pipe 6 and is heated under the action of the heating device 7, the steam part continuously moves upwards, is condensed under the action of the first condenser 3, then enters the second rectifying tower 2 through the discharge port and the connecting pipe 5 to continue the rectifying process, and is further rectified, and finally, the discharge port 11 at the top of the tower is discharged. Wherein the liquid fraction that is not vaporized in first rectification column 1 and second rectification column 2 is collected via a discharge opening (not shown in the figure).
The utility model discloses divide into the setting method of two rectifying towers continuous rectification with current rectifying tower, on the one hand can reduce the condition that produces the material jam, the rectifying tower height reduces half can reduce the maintenance degree of difficulty; on the other hand, the continuous rectification process ensures that the material rectification process is more thorough, the rectification efficiency is greatly improved, and meanwhile, the purity of the refined product is greatly improved, so that the method has good practicability.
Example 2
A continuous rectification device for chemical production is shown in figure 1. As can be seen from figure 1, the device comprises a first rectifying tower 1 and a second rectifying tower 2, wherein a first condenser 3 is arranged at the top of the first rectifying tower 1, a discharge hole is formed in the first condenser 3, a feed inlet is formed in the lower side wall of the second rectifying tower 2, and a connecting pipe 5 is connected between the feed inlet and the discharge hole;
the bottom of the first rectifying tower 1 is provided with a heating device, the side wall of the first rectifying tower is provided with a liquid inlet, and the liquid inlet is connected with a liquid inlet pipe 6; a plurality of groups of packing layers are arranged in the first rectifying tower 1, a first steam outlet is arranged at the top of the first rectifying tower and is communicated with the first condenser 3; the feeding pipe 6 is arranged above the heating device;
the top of the second rectifying tower 2 is provided with a second steam outlet which is communicated with a second condenser 4, and the second condenser 4 is connected with a tower top emptying pipe 10 and a tower top discharge hole 11.
The packing layers in the first rectifying tower 1 and the second rectifying tower 2 have the same structure, a tubular liquid distributor is arranged above the packing layers, a packing support plate 12 is arranged below the packing, and the support plate 12 is fixed on the inner wall of the re-packing tower; the packing layer comprises a metal packing layer and a ceramic corrugated packing layer, the metal packing layer is arranged above the ceramic corrugated packing layer, and the thickness ratio of the metal packing layer to the ceramic corrugated packing layer is 1: 3; packing layer in first rectifying column 1 is equipped with 6, packing layer in second rectifying column 2 is equipped with 3, and the setting of packing layer number can be carried out reasonable setting according to the actual production use.
The working process is as follows: the liquid mixture enters the first rectifying tower 1 through the liquid inlet pipe 6 and is heated under the action of the heating device 7, the steam part continuously moves upwards, is condensed under the action of the first condenser 3, then enters the second rectifying tower 2 through the discharge port and the connecting pipe 5 to continue the rectifying process, and is further rectified, and finally, the discharge port 11 at the top of the tower is discharged. Wherein the liquid fraction that is not vaporized in first rectification column 1 and second rectification column 2 is collected via a discharge opening (not shown in the figure).
The utility model discloses divide into the setting method of two rectifying towers continuous rectification with current rectifying tower, on the one hand can reduce the condition that produces the material jam, the rectifying tower height reduces half can reduce the maintenance degree of difficulty; on the other hand, the continuous rectification process ensures that the material rectification process is more thorough, the rectification efficiency is greatly improved, and meanwhile, the purity of the refined product is greatly improved, so that the method has good practicability.
Claims (7)
1. The continuous rectifying device for chemical production is characterized by comprising a first rectifying tower (1) and a second rectifying tower (2), wherein a first condenser (3) is arranged at the top of the first rectifying tower (1), a discharge hole is formed in the first condenser (3), a feed inlet is formed in the lower side wall of the second rectifying tower (2) close to the lower side wall, and a connecting pipe (5) is connected between the feed inlet and the discharge hole;
the bottom of the first rectifying tower (1) is provided with a heating device (7), the side wall of the first rectifying tower is provided with a liquid inlet, and the liquid inlet is connected with a liquid inlet pipe (6); a plurality of groups of packing layers are arranged in the first rectifying tower (1), a first steam outlet is arranged at the top of the first rectifying tower, and the first steam outlet is communicated with the first condenser (3); the liquid inlet pipe (6) is arranged above the heating device;
the top of second rectifying column (2) is equipped with second steam outlet, second steam outlet and second condenser (4) intercommunication, be connected with top of the tower evacuation pipe (10) and top of the tower discharge gate (11) on second condenser (4).
2. The continuous rectification device for chemical production according to claim 1, wherein the packing layers in the first rectification tower (1) and the second rectification tower (2) have the same structure.
3. The continuous rectification device for chemical production according to claim 1, wherein a liquid distributor is arranged above the packing layer, a packing support plate (12) is arranged below the packing, and the support plate (12) is fixed on the inner wall of the packing tower.
4. The continuous rectification device for chemical production according to claim 3, wherein the liquid distributor is a tubular liquid distributor, a trough liquid distributor or a modular collection redistributor.
5. The continuous rectification device for the chemical production according to claim 1, wherein the packing layer comprises a metal packing layer and a ceramic corrugated packing layer, the metal packing layer is arranged above the ceramic corrugated packing layer, and the thickness ratio of the metal packing layer to the ceramic corrugated packing layer is 1: 2-1: 5.
6. The continuous rectification device for chemical production according to claim 1, wherein 6-8 packing layers are arranged in the first rectification tower (1), and 3-5 packing layers are arranged in the second rectification tower (2).
7. The continuous rectification device for chemical production according to claim 1, wherein the heating device (7) is an electric heating wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022991560.1U CN214319168U (en) | 2020-12-13 | 2020-12-13 | Continuous rectification device for chemical production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022991560.1U CN214319168U (en) | 2020-12-13 | 2020-12-13 | Continuous rectification device for chemical production |
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| Publication Number | Publication Date |
|---|---|
| CN214319168U true CN214319168U (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022991560.1U Active CN214319168U (en) | 2020-12-13 | 2020-12-13 | Continuous rectification device for chemical production |
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| CN (1) | CN214319168U (en) |
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- 2020-12-13 CN CN202022991560.1U patent/CN214319168U/en active Active
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