CN212236098U - Sedimentation separation device for o-methyl formate benzenesulfonamide synthesis raw material - Google Patents
Sedimentation separation device for o-methyl formate benzenesulfonamide synthesis raw material Download PDFInfo
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- CN212236098U CN212236098U CN202020217247.XU CN202020217247U CN212236098U CN 212236098 U CN212236098 U CN 212236098U CN 202020217247 U CN202020217247 U CN 202020217247U CN 212236098 U CN212236098 U CN 212236098U
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Abstract
The utility model belongs to the technical field of chemical production equipment, in particular to a settling separation device for o-methyl formate benzenesulfonamide synthetic raw materials, which comprises a settling tank and a glass observation tube; the top end of the settling tank is provided with a liquid inlet pipe, the bottom of the settling tank is provided with a discharge pipe, the bottom end of the discharge pipe is communicated with a glass observation pipe, the bottom end of the glass observation pipe is communicated with a material guide pipe, and the material guide pipe is respectively communicated with a recovery pipe and a liquid discharge pipe through two tee joints; and the liquid inlet pipe, the discharge pipe, the recovery pipe, the material guide pipe and the liquid discharge pipe are provided with control valves, wherein the material guide pipe is provided with two control valves which are respectively positioned above and below the recovery pipe and the liquid discharge pipe. The device can recover the methyl formate benzene sulfonamide in the methyl formate benzene sulfonamide mixed solution after sedimentation and delamination, reduces the production cost, has simple and convenient recovery operation, low cost, economy and applicability, and is easy to popularize and apply on a large scale.
Description
Technical Field
The utility model belongs to the technical field of chemical production equipment, concretely relates to o-methyl formate benzenesulfonamide synthetic raw materials subsides separator.
Background
In chemical production, the mixed solution after reaction for synthesizing the o-methyl formate benzenesulfonamide contains water, methanol and impurities, and the o-methyl formate benzenesulfonamide mixed solution can be recovered and put into use after being separated. Therefore, it is necessary to design a synthetic raw material settling separation device capable of settling and recovering the o-methyl formate benzenesulfonamide.
Disclosure of Invention
The utility model aims at providing a can subside synthetic raw materials settlement separation device who retrieves methyl formate benzenesulfonamide, the device can retrieve methyl formate benzenesulfonamide in methyl formate benzenesulfonamide mixed liquid after through subsiding the layering, reduction in production cost, and recovery operation is simple and convenient, low cost, economy is suitable for, easily promotes and uses on a large scale.
The utility model adopts the technical proposal that: a settling separation device for a raw material for synthesizing o-methyl formate benzenesulfonamide comprises a settling tank and a glass observation tube; the top end of the settling tank is provided with a liquid inlet pipe, the bottom of the settling tank is provided with a discharge pipe, the bottom end of the discharge pipe is communicated with a glass observation pipe, the bottom end of the glass observation pipe is communicated with a material guide pipe, and the material guide pipe is respectively communicated with a recovery pipe and a liquid discharge pipe through two tee joints; and the liquid inlet pipe, the discharge pipe, the recovery pipe, the material guide pipe and the liquid discharge pipe are provided with control valves, wherein the material guide pipe is provided with two control valves which are respectively positioned above and below the recovery pipe and the liquid discharge pipe.
Furthermore, an air inlet pipe is arranged in the sedimentation tank, uniformly distributed exhaust holes are formed in the air inlet pipe, and the air inlet pipe is connected with an air pump.
Furthermore, sampling pipes which are evenly distributed in the axial direction in a staggered mode are arranged on two sides of the settling tank, and ball valves are installed on the sampling pipes.
Further, the distance between two axially adjacent sampling tubes is not more than 10 cm.
Further, the material guide pipe, the recovery pipe and the liquid discharge pipe are respectively connected with the material receiving tank.
The utility model has the advantages that: the device can recover the methyl formate benzenesulfonamide in the methyl formate benzenesulfonamide mixed solution after sedimentation and layering, reduces the production cost, is simple and convenient to recover and operate, low in cost, economical and applicable, and easy to popularize and apply on a large scale.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the first embodiment;
FIG. 2 is a schematic structural view of the second embodiment;
FIG. 3 is a schematic structural diagram of the third embodiment.
The specific implementation mode is as follows:
example one
Referring to fig. 1, the separation device for the o-methyl formate benzenesulfonamide synthesis raw material comprises a settling tank 1 and a glass observation tube 3; the top end of the settling tank 1 is provided with a liquid inlet pipe 8, the bottom of the settling tank is provided with a discharge pipe 2, the bottom end of the discharge pipe 2 is communicated with a glass observation pipe 3, the bottom end of the glass observation pipe 3 is communicated with a material guide pipe 5, and the material guide pipe 5 is respectively communicated with a recovery pipe 7 and a liquid discharge pipe 6 through two tee joints; the liquid inlet pipe 8, the discharge pipe 2, the recovery pipe 7, the material guide pipe 5 and the liquid discharge pipe 6 are provided with control valves 4, wherein the material guide pipe 5 is provided with two control valves 4 which are respectively positioned above and below the recovery pipe 7 and the liquid discharge pipe 6; the material guide pipe 5, the recovery pipe 7 and the liquid discharge pipe 6 are respectively connected with the material receiving tank.
The mixed solution for synthesizing o-methyl formate benzenesulfonamide after reaction contains water, methanol and impurities, and can be used after the o-methyl formate benzenesulfonamide is separated and recovered from the mixed solution, so that the cost is reduced. And (3) injecting the mixed solution of the o-methyl formate and the benzenesulfonamide into the tank from the liquid inlet pipe, and standing for at least 10 hours to ensure that the mixed solution is fully layered. After the mixed solution is layered in the tank, impurities are positioned at the lowest layer, methyl formate benzenesulfonamide is positioned at the middle layer, and mother liquor (water containing a small amount of methyl formate benzenesulfonamide and methanol) is positioned at the upper layer. Open the control valve on discharging pipe and the passage earlier, be in the impurity collecting tank is got into through the passage to the impurity of bottom, when discharging impurity, can observe the discharge condition that the pipe can observe impurity through glass, also can observe whether the layering position has entered into in the glass observation pipe to judge the discharge condition of impurity. When the layered interface of the impurities and the methyl formate benzenesulfonamide falls to the bottom of the glass observation tube, closing the control valve on the discharge tube, discharging all the impurities, closing the control valves below the material guide tube (a liquid discharge tube and the control valve below the recovery tube), opening the control valve on the recovery tube, opening the control valve on the discharge tube, and starting to recover the methyl formate benzenesulfonamide product. And (4) observing the layering condition through the glass observation tube according to the mode, closing the control valve on the recovery tube and opening the control valve on the liquid discharge tube to collect the mother liquid after the methyl formate benzenesulfonamide product is recovered.
Example two
Referring to fig. 2, on the basis of the first technical solution of the embodiment, an air inlet pipe 9 is arranged in the settling tank 1, the air inlet pipe 9 is provided with uniformly distributed exhaust holes, and the air inlet pipe 9 is connected with an air pump. After the mixed liquid of the o-methyl formate and the benzenesulfonamide is injected into the tank, air is introduced into the tank through an air pump, so that the mixed liquid is in a semi-air floatation state, and the air is exhausted through a liquid discharge pipe in the air guide process. On one hand, the static sedimentation layering is facilitated, and on the other hand, the sedimentation tank can be cleaned through the air guide pipe penetrating into the tank.
EXAMPLE III
Referring to fig. 3, on the basis of the technical solutions of the first and second embodiments, sampling pipes 10 are arranged on both sides of the settling tank 1 in a staggered and uniform arrangement along the axial direction thereof, and ball valves are mounted on the sampling pipes 10; the distance between two axially adjacent sampling tubes 10 is not more than 10 cm. Through the sampling tube that jar body axial was arranged, can grasp the layering condition to the mixed liquid sample detection of the different liquid levels in the jar, confirm whether to continue static settlement layering.
Claims (5)
1. A sedimentation separation device for a synthetic raw material of o-methyl formate benzenesulfonamide is characterized in that: the separation device comprises a settling tank (1) and a glass observation tube (3); the top end of the settling tank (1) is provided with a liquid inlet pipe (8), the bottom of the settling tank is provided with a discharge pipe (2), the bottom end of the discharge pipe (2) is communicated with a glass observation pipe (3), the bottom end of the glass observation pipe (3) is communicated with a material guide pipe (5), and the material guide pipe (5) is respectively communicated with a recovery pipe (7) and a liquid discharge pipe (6) through two tee joints; the liquid inlet pipe (8), the discharge pipe (2), the recovery pipe (7), the material guide pipe (5) and the liquid discharge pipe (6) are provided with control valves (4), wherein the material guide pipe (5) is provided with two control valves (4) which are respectively positioned above and below the recovery pipe (7) and the liquid discharge pipe (6).
2. The device for settling and separating the o-methyl formate benzenesulfonamide synthesis raw material according to claim 1, characterized in that: an air inlet pipe (9) is arranged in the settling tank (1), uniformly distributed exhaust holes are formed in the air inlet pipe (9), and the air inlet pipe (9) is connected with an air pump.
3. The device for settling and separating the o-methyl formate benzenesulfonamide synthesis raw material according to claim 2, characterized in that: sampling tubes (10) which are evenly distributed in the axial direction in a staggered mode are arranged on two sides of the settling tank (1), and ball valves are installed on the sampling tubes (10).
4. The device for settling and separating the methyl orthoformate benzenesulfonamide synthesis raw material according to claim 3, characterized in that: the distance between two axially adjacent sampling tubes (10) is not more than 10 cm.
5. The device for settling and separating the o-methyl formate benzenesulfonamide synthesis raw material according to claim 1, characterized in that: the material guide pipe (5), the recovery pipe (7) and the liquid discharge pipe (6) are respectively connected with the material receiving tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020217247.XU CN212236098U (en) | 2020-02-27 | 2020-02-27 | Sedimentation separation device for o-methyl formate benzenesulfonamide synthesis raw material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020217247.XU CN212236098U (en) | 2020-02-27 | 2020-02-27 | Sedimentation separation device for o-methyl formate benzenesulfonamide synthesis raw material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115739132A (en) * | 2022-11-30 | 2023-03-07 | 安达市海纳贝尔化工有限公司 | Method for improving yield of 2-bromothiophene by BiOBr microsphere catalyst under assistance of illumination |
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2020
- 2020-02-27 CN CN202020217247.XU patent/CN212236098U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115739132A (en) * | 2022-11-30 | 2023-03-07 | 安达市海纳贝尔化工有限公司 | Method for improving yield of 2-bromothiophene by BiOBr microsphere catalyst under assistance of illumination |
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