CN216093698U - Device for synthesizing chlorosulfonic acid by using liquid sulfur trioxide - Google Patents
Device for synthesizing chlorosulfonic acid by using liquid sulfur trioxide Download PDFInfo
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- CN216093698U CN216093698U CN202122627126.XU CN202122627126U CN216093698U CN 216093698 U CN216093698 U CN 216093698U CN 202122627126 U CN202122627126 U CN 202122627126U CN 216093698 U CN216093698 U CN 216093698U
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- sulfur trioxide
- liquid sulfur
- chlorosulfonic acid
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Abstract
The utility model discloses a device for synthesizing chlorosulfonic acid by liquid sulfur trioxide, which comprises a spray reactor and a storage tank, wherein the spray reactor comprises a mixing section and a reaction section which are communicated with each other, and the inner diameter of the mixing section is reduced from a raw material inlet end to a mixing section outlet end; the outlet end of the mixing section is communicated with the inlet end of the reaction section, and the inner diameter of the reaction section is expanded from the inlet end of the reaction section to the outlet end of the reaction section; the outlet end of the reaction section is communicated with a storage tank. When the device is adopted to react liquid sulfur trioxide and hydrogen chloride gas to prepare chlorosulfonic acid, the volume of the reactor can be effectively saved, and the occupied area of the reactor is further reduced. The investment of the equipment is small, and the later maintenance cost is obviously reduced.
Description
Technical Field
The utility model belongs to the technical field of chlorosulfonic acid synthesis equipment, and particularly relates to a device for synthesizing chlorosulfonic acid from liquid sulfur trioxide.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Chlorosulfonic acid is a colorless or yellowish liquid, has a pungent odor, is fuming in air, and is a compound formed after one-OH group of sulfuric acid is substituted by chlorine. It is mainly used for sulfonation of organic compounds, preparation of sulfonamides, and preparation of dyes, pesticides, detergents, ion exchange resins, plastics and the like.
At present, the synthesis method of chlorosulfonic acid mainly adopts sulfur trioxide gas and hydrogen chloride gas to carry out liquid phase synthesis in a synthesis tower, and the synthesis tower has large floor area and higher investment and maintenance cost.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a device for synthesizing chlorosulfonic acid by using liquid sulfur trioxide.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the device for synthesizing chlorosulfonic acid from liquid sulfur trioxide comprises a spray reactor and a storage tank, wherein the spray reactor comprises a mixing section and a reaction section which are communicated with each other, and the inner diameter of the mixing section is reduced from a raw material inlet end to a mixing section outlet end;
the outlet end of the mixing section is communicated with the inlet end of the reaction section, and the inner diameter of the reaction section is expanded from the inlet end of the reaction section to the outlet end of the reaction section;
the outlet end of the reaction section is communicated with a storage tank.
In some embodiments, the raw material inlet end of the mixing section is provided with a liquid sulfur trioxide inlet and a hydrogen chloride inlet, and the liquid sulfur trioxide inlet is provided with an atomizing nozzle.
Set up atomizer, can atomize into the liquid sulfur trioxide droplet with liquid sulfur trioxide and spray the mixing section that gets into injection reactor, more be favorable to improving sulfur trioxide and hydrogen chloride's mixed effect.
Furthermore, the atomizing nozzle is of an expanding structure from the inlet end to the outlet end.
Furthermore, the inlet end of the atomizing nozzle is used for being connected with a liquid sulfur trioxide feeding pipeline, the outlet end of the atomizing nozzle is provided with a supporting frame, and the liquid sulfur trioxide feeding pipeline is provided with an adjusting valve.
The atomizer carries out the installation location through setting up the support frame, and when the support frame set up in atomizer's exit end, the support frame can be fixed with atomizer's exit end's export direction, makes the sulfur trioxide fluid after the atomizing get into the mixing section of injection reactor along setting for the direction to guarantee the misce bene degree of sulfur trioxide and hydrogen chloride. In order to prevent leakage of liquid sulfur trioxide, a sealing ring is arranged at the connecting position of the feeding pipeline and the inlet end of the atomizing nozzle.
Still further, the support frame comprises a mounting ring and a support rod assembly, the mounting ring is sleeved outside the outlet end of the atomizing nozzle, and a mounting hole is formed in the mounting ring;
the supporting rod assemblies are distributed along the circumferential direction of the mounting ring and are arranged in a radial mode. The atomizer can be better kept stable under the common supporting action of the mounting ring and the strut assembly.
Preferably, the number of the struts of the strut assembly is 2-5.
Still further, the mounting ring is detachably connected with the outlet end of the atomizing nozzle.
Further, the inlet direction of sulfur trioxide is perpendicular to the inlet direction of hydrogen chloride. When the inlet directions of the two air flows are vertically arranged, the two sprayed air flows are more easily disturbed, and the mixing of the two air flows is further facilitated.
In some embodiments, the top of the storage tank is provided with a tail gas outlet.
Further, the tail gas outlet is far away from the outlet end of the reaction section.
The unreacted mixed gas entering the storage tank can flow out from the tail gas outlet, the tail gas outlet is arranged to lead the gas out in time, the air pressure in the storage tank is reduced, and then the reaction fluid is guaranteed to smoothly enter the storage tank. The discharged tail gas can be conveyed to a tail gas treatment device by adopting a pipeline for treatment.
The beneficial effects achieved by one or more of the embodiments of the utility model described above are as follows:
in actual production, operating personnel can control the opening of the liquid sulfur trioxide inlet regulating valve and control the atomization effect of the liquid sulfur trioxide.
In order to increase the reaction rate of liquid sulfur trioxide and hydrogen chloride, it is necessary to increase the degree of uniformity of mixing of liquid sulfur trioxide and hydrogen chloride gas. Liquid sulfur trioxide and hydrogen chloride gas are sprayed into the large-space area, and preliminary mixing of the liquid sulfur trioxide and the hydrogen chloride gas can be realized. After the two are preliminarily mixed, the accelerating of the reducing section is carried out, the spraying enters the reaction section, and the uniform mixing degree of the sulfur trioxide liquid drops and the hydrogen chloride gas can be further improved. When the sulfur trioxide and the hydrogen chloride are uniformly mixed, the reaction rate of the sulfur trioxide and the hydrogen chloride is improved. When the device is adopted to react liquid sulfur trioxide and hydrogen chloride gas to prepare chlorosulfonic acid, the volume of the reactor can be effectively saved, and the occupied area of the reactor is further reduced. The investment of the equipment is small, and the later maintenance cost is obviously reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic diagram of the overall architecture of an apparatus for the synthesis of chlorosulfonic acid from liquid sulfur trioxide in accordance with one or more embodiments of the present invention;
FIG. 2 is a schematic diagram of an atomizer head according to one or more embodiments of the present invention.
In the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
the device comprises a hydrogen chloride pipeline 1, a hydrogen chloride inlet 2, a liquid sulfur trioxide inlet 3, an injection reactor 4, a tail gas outlet 5, a storage tank 6, a spray head body 7, a support frame 8 and an adjusting valve 9.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
As shown in fig. 1, an apparatus for synthesizing chlorosulfonic acid from liquid sulfur trioxide comprises an injection reactor 4 and a storage tank 6, wherein the injection reactor 4 comprises a mixing section and a reaction section which are communicated with each other, and the inner diameter of the mixing section is reduced from a raw material inlet end to a mixing section outlet end; the outlet end of the mixing section is communicated with the inlet end of the reaction section, and the inner diameter of the reaction section is expanded from the inlet end of the reaction section to the outlet end of the reaction section; the outlet end of the reaction section is communicated with a storage tank 6.
The top of storage tank 6 is provided with the tail gas export, and the reaction section exit end setting is kept away from to the tail gas export.
The raw material entry end of the mixing section of the injection reactor is provided with a liquid sulfur trioxide inlet 3 and a hydrogen chloride inlet 2, the hydrogen chloride inlet 2 is connected with a hydrogen chloride pipeline 1, and an atomizing nozzle is arranged at the inlet of the liquid sulfur trioxide. As shown in fig. 2, the atomizer has an expanded diameter structure from the inlet end to the outlet end. The inlet end of the spray head body 7 is used for being connected with a liquid sulfur trioxide feeding pipeline, and the outlet end is provided with a support frame 8. The supporting frame 8 comprises a mounting ring and can also be provided with a supporting rod assembly, the mounting ring is sleeved outside the outlet end of the atomizing nozzle body 7, and a mounting hole is formed in the mounting ring and can be mounted and fixed through a bolt; the supporting rod assemblies are distributed along the circumferential direction of the mounting ring and are arranged in a radial mode. The number of the supporting rods is 3, and a triangular supporting frame structure is formed. The mounting ring is detachably connected with the outlet end of the atomizing nozzle body. The mixing section and the reaction section of the injection reactor are connected in a flange mode and can be freely disassembled.
The inlet direction of the liquid sulfur trioxide is vertical to the inlet direction of the hydrogen chloride. When the inlet directions of the two air flows are vertically arranged, the two sprayed air flows are more easily disturbed, and the mixing of the two air flows is further facilitated. The hydrogen chloride gas inlet is provided with a pore plate type gas distributor.
And the reducing section and the expanding section of the jet reactor are lined with lead. The chlorosulfonic acid storage tank 316L is made of steel and lined with acid-proof bricks.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A device for synthesizing chlorosulfonic acid by using liquid sulfur trioxide is characterized in that: the device comprises a jet reactor and a storage tank, wherein the jet reactor comprises a mixing section and a reaction section which are communicated with each other, and the inner diameter of the mixing section is reduced from a raw material inlet end to a mixing section outlet end;
the outlet end of the mixing section is communicated with the inlet end of the reaction section, and the inner diameter of the reaction section is expanded from the inlet end of the reaction section to the outlet end of the reaction section;
the outlet end of the reaction section is communicated with a storage tank.
2. The apparatus for the synthesis of chlorosulfonic acid from liquid sulfur trioxide as defined in claim 1, wherein: the raw material entry end of mixing section is provided with liquid sulfur trioxide import and hydrogen chloride import, and liquid sulfur trioxide import department is provided with atomizer.
3. The apparatus for the synthesis of chlorosulfonic acid from liquid sulfur trioxide according to claim 2, wherein: the atomizing nozzle is of an expanding structure from the inlet end to the outlet end.
4. The apparatus for the synthesis of chlorosulfonic acid from liquid sulfur trioxide according to claim 3, wherein: the inlet end of the atomizer is used for being connected with a liquid sulfur trioxide feeding pipeline, the outlet end is provided with a support frame, and a regulating valve is arranged on the liquid sulfur trioxide feeding pipeline.
5. The apparatus for the synthesis of chlorosulfonic acid from liquid sulfur trioxide according to claim 4, wherein: the support frame comprises a mounting ring and a support rod assembly, the mounting ring is sleeved outside the outlet end of the atomizing nozzle, and a mounting hole is formed in the mounting ring;
the supporting rod assemblies are distributed along the circumferential direction of the mounting ring and are arranged in a radial mode.
6. The apparatus for the synthesis of chlorosulfonic acid from liquid sulfur trioxide according to claim 5, wherein: the number of the struts of the strut assembly is 2-5.
7. The apparatus for the synthesis of chlorosulfonic acid from liquid sulfur trioxide according to claim 6, wherein: the mounting ring is detachably connected with the outlet end of the atomizing nozzle.
8. The apparatus for the synthesis of chlorosulfonic acid from liquid sulfur trioxide according to claim 2, wherein: the inlet direction of the sulfur trioxide is vertical to the inlet direction of the hydrogen chloride.
9. The apparatus for the synthesis of chlorosulfonic acid from liquid sulfur trioxide as defined in claim 1, wherein: and a tail gas outlet is formed in the top of the storage tank.
10. The apparatus for the synthesis of chlorosulfonic acid from liquid sulfur trioxide of claim 9, wherein: the tail gas outlet is far away from the outlet end of the reaction section.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122627126.XU CN216093698U (en) | 2021-10-29 | 2021-10-29 | Device for synthesizing chlorosulfonic acid by using liquid sulfur trioxide |
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| CN202122627126.XU CN216093698U (en) | 2021-10-29 | 2021-10-29 | Device for synthesizing chlorosulfonic acid by using liquid sulfur trioxide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115594616A (en) * | 2022-10-09 | 2023-01-13 | 浙江迪邦化工有限公司（Cn） | Multistage continuous sulfonation method of 1-aminoanthraquinone |
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2021
- 2021-10-29 CN CN202122627126.XU patent/CN216093698U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115594616A (en) * | 2022-10-09 | 2023-01-13 | 浙江迪邦化工有限公司（Cn） | Multistage continuous sulfonation method of 1-aminoanthraquinone |
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