CN219545659U - High-sealing corrosion-resistant dilute hydrochloric acid tank for deep desorption of concentrated hydrochloric acid - Google Patents
High-sealing corrosion-resistant dilute hydrochloric acid tank for deep desorption of concentrated hydrochloric acid Download PDFInfo
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- CN219545659U CN219545659U CN202320744603.7U CN202320744603U CN219545659U CN 219545659 U CN219545659 U CN 219545659U CN 202320744603 U CN202320744603 U CN 202320744603U CN 219545659 U CN219545659 U CN 219545659U
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- hydrochloric acid
- dilute hydrochloric
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- concentrated hydrochloric
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Abstract
The utility model relates to the technical field of hydrochloric acid desorption, in particular to a highly sealed corrosion-resistant dilute hydrochloric acid tank for deep desorption of concentrated hydrochloric acid. According to the utility model, the two dilute hydrochloric acid tanks are connected with each other, the concentration of the dilute hydrochloric acid can be increased to 35.5% by adopting the volatilization attribute of the dilute hydrochloric acid, the concentration period of the later negative pressure tower is reduced, and the concentration cost of the negative pressure tower is also reduced; according to the utility model, the volatilization speed of the dilute hydrochloric acid can be controlled by controlling the heating temperature of the heating wire, so that the volatilization time can be controlled according to the requirement of a user, and the storage cost can be reduced by natural volatilization of the dilute hydrochloric acid, so that more choices are provided for the user.
Description
Technical Field
The utility model relates to the technical field of hydrochloric acid desorption, in particular to a highly sealed corrosion-resistant dilute hydrochloric acid tank for deep desorption of concentrated hydrochloric acid.
Background
When PVC is produced in a 12-ten thousand ton PVC production line, a large amount of waste hydrochloric acid is produced by a monomer produced by a conversion system through a washing tower, waste hydrochloric acid produced by the conversion washing tower is always a difficult problem, when the waste hydrochloric acid is treated, 30% -31% of concentrated hydrochloric acid produced by the washing tower is thermally resolved and then becomes about 19% -20% of diluted hydrochloric acid, the resolved hydrogen is sent to conversion and utilization, the diluted hydrochloric acid is sent to a negative pressure tower for concentration, water is pumped out from the tower top, the pumped water contains about 0.5% of hydrochloric acid and is sent to the washing top for washing, the diluted hydrochloric acid is concentrated to 23%, and the hydrogen chloride in the monomer is continuously absorbed by the 2 sections of the washing tower to become 30% -31% of concentrated hydrochloric acid, so that the waste hydrochloric acid produced by the washing tower is completely treated.
When 30% -31% of concentrated hydrochloric acid generated by the water washing tower is converted into about 19% -20% of diluted hydrochloric acid after thermal analysis, the diluted hydrochloric acid is stored after being converted and utilized, and then the diluted hydrochloric acid is sent into the negative pressure tower for concentration, however, the existing storage device is only a glass tank body, and as the diluted hydrochloric acid has volatility, constant boiling mixture cannot be formed when the concentration of the diluted hydrochloric acid is lower than 35.5%, so that the cost is increased when the diluted hydrochloric acid enters the negative pressure tower for concentration in the later period, and the period is longer, the diluted hydrochloric acid tank capable of reducing the concentration of the diluted hydrochloric acid to 35.5% by utilizing the volatilization property of the diluted hydrochloric acid in the storage stage is designed, so that the concentration cost and the concentration period of the negative pressure tower are reduced.
Disclosure of Invention
The utility model aims to provide a highly sealed corrosion-resistant dilute hydrochloric acid tank for deep desorption of concentrated hydrochloric acid, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a be used for concentrated hydrochloric acid degree of depth to detach high sealed corrosion-resistant dilute hydrochloric acid jar, includes the base, the holding vessel has been placed at the top of base, the top seal of holding vessel installs integrated lid.
Preferably, the base comprises a bottom shell, a plurality of supporting feet are fixedly arranged at the outer edge of the bottom shell, a controller is fixedly arranged on the outer wall of the bottom shell, a placing tray is arranged at the top of the bottom shell, and a temperature sensor and a heating wire are fixedly arranged at the bottom of the placing tray.
Preferably, the storage tank comprises a stainless steel outer cylinder and a glass inner cylinder, and the glass inner cylinder is mounted on the inner wall of the stainless steel outer cylinder in a fitting mode.
Preferably, an extension part is arranged at the outer edge of the top of the stainless steel outer cylinder.
Preferably, the integrated cover comprises a top cover, the feed liquor pipe is installed to the top intercommunication of top cover, the feed liquor valve is installed to the top intercommunication of feed liquor pipe, the liquid extraction pipe is installed to the top intercommunication of top cover, first end cap is installed in the top cooperation of liquid extraction pipe, the first port of the three-way pipe that volatilizees is installed in the top intercommunication of top cover, hydrochloric acid concentration sensor is installed in the second port cooperation of the three-way pipe that volatilizees, the second end cap is installed in the third port cooperation of the three-way pipe that volatilizees.
Preferably, the hydrochloric acid concentration sensor is electrically connected with the controller.
Preferably, the temperature sensor and the heating wire are electrically connected with the controller.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the two dilute hydrochloric acid tanks are connected with each other, the concentration of the dilute hydrochloric acid can be increased to 35.5% by adopting the volatilization attribute of the dilute hydrochloric acid, the concentration period of the later negative pressure tower is shortened, and the concentration cost of the negative pressure tower is reduced.
According to the utility model, the volatilization speed of the dilute hydrochloric acid can be controlled by controlling the heating temperature of the heating wire, so that the volatilization time can be controlled according to the requirement of a user, and the storage cost can be reduced by natural volatilization of the dilute hydrochloric acid, so that more choices are provided for the user.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an exploded view of the base of the present utility model;
FIG. 3 is a cross-sectional view of a storage tank of the present utility model;
FIG. 4 is a schematic view of an integrated cover structure according to the present utility model;
FIG. 5 is a schematic diagram showing the use of two dilute hydrochloric acid tanks in the present utility model.
In the figure: 1. a base; 101. a bottom case; 102. a support leg; 103. a controller; 104. a heating wire; 105. a temperature sensor; 106. placing a tray; 2. a storage tank; 201. a stainless steel outer cylinder; 201a, an epitaxial part; 202. a glass inner cylinder; 3. an integrated cover; 301. a top cover; 302. a liquid inlet pipe; 303. a liquid inlet valve; 304. a liquid suction pipe; 305. a first plug; 306. a volatilizing tee pipe; 307. a hydrochloric acid concentration sensor; 308. a second plug; 4. and (5) connecting pipes.
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 are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.
Referring to fig. 1 to 5, the present utility model provides a technical solution: a highly sealed corrosion-resistant dilute hydrochloric acid tank for deep desorption of concentrated hydrochloric acid comprises a base 1, wherein a storage tank 2 is arranged at the top of the base 1, and an integrated cover 3 is arranged at the top of the storage tank 2 in a sealing manner.
In this embodiment, the base 1 includes a bottom shell 101, a plurality of supporting legs 102 are fixedly installed at the outer edge of the bottom shell 101, a controller 103 is fixedly installed at the outer wall of the bottom shell 101, a placing tray 106 is installed at the top of the bottom shell 101, and a temperature sensor 105 and a heating wire 104 are fixedly installed at the bottom of the placing tray 106.
In this embodiment, the storage tank 2 includes a stainless steel outer tube 201 and a glass inner tube 202, and the glass inner tube 202 is attached to the inner wall of the stainless steel outer tube 201.
In this embodiment, an extension 201a is provided at a distance from the outer edge of the top of the stainless steel outer tube 201.
In this embodiment, the integrated cover 3 includes a top cover 301, a liquid inlet pipe 302 is installed in top communication of the top cover 301, a liquid inlet valve 303 is installed in top communication of the liquid inlet pipe 302, a liquid pumping pipe 304 is installed in top communication of the top cover 301, a first plug 305 is installed in top cooperation of the liquid pumping pipe 304, a first port of a volatilization three-way pipe 306 is installed in top communication of the top cover 301, a hydrochloric acid concentration sensor 307 is installed in second port cooperation of the volatilization three-way pipe 306, and a second plug 308 is installed in third port cooperation of the volatilization three-way pipe 306.
In this embodiment, the hydrochloric acid concentration sensor 307 is electrically connected to the controller 103.
In this embodiment, the temperature sensor 105 and the heating wire 104 are electrically connected to the controller 103.
The application method and the advantages of the utility model are as follows: when the dilute hydrochloric acid tank is used, the working process is as follows:
as shown in fig. 1, 2, 3, 4 and 5, the liquid inlet pipe 302 is used for injecting the dilute hydrochloric acid into the storage tank 2, the liquid outlet pipe 304 is used for extracting the dilute hydrochloric acid, the volatilizing tee 306 is used for volatilizing and concentrating the dilute hydrochloric acid, the hydrochloric acid concentration sensor 307 is used for detecting the heating wire 104 of the dilute hydrochloric acid concentration in the storage tank 2, the controller 103 is used for setting the heating temperature and the heating time, and meanwhile, the heating can be automatically performed and stopped according to the dilute hydrochloric acid concentration fed back by the hydrochloric acid concentration sensor 307, and the temperature sensor 105 is used for detecting the heat of the heating wire 104.
Preparing two dilute hydrochloric acid tanks, removing the second plugs 308 of the two dilute hydrochloric acid tanks, then communicating the third ports of the two volatilization three-way pipes 306 through the connecting pipe 4, and because the dilute hydrochloric acid has volatility, when the dilute hydrochloric acid is injected into the storage tank 2, the volatilized dilute hydrochloric acid fills the whole volatilization three-way pipe 306, at the moment, the concentration sensor 307 detects the concentration of the dilute hydrochloric acid gas, when the concentration is lower than 35.5%, the concentration signal can be displayed on the controller 103, then, the user can select to volatilize the dilute hydrochloric acid naturally or volatilize the dilute hydrochloric acid thermally according to the situation, the natural volatilization speed is slower, the heating volatilization speed is faster, when the heating volatilization is needed, the heating wire 104 is started through the controller 103, and when the concentration of the dilute hydrochloric acid is lower than 35.5%, and when the volatilization is needed, the water in the dilute hydrochloric acid tank volatilizes more, the volatilization of hydrogen chloride is less, so that the concentration of the dilute hydrochloric acid is increased, when the concentration of the dilute hydrochloric acid reaches a threshold value of 35.5%, the concentration of the dilute hydrochloric acid is constant boiling concentration, and the volatilization speed of the hydrogen chloride is the same as that of water, so that the concentration of the dilute hydrochloric acid can be kept at 35.5%, when the concentration of the dilute hydrochloric acid reaches 35.5% detected by the hydrochloric acid concentration sensor 307, the connecting pipe 4 can be removed, the second plug 308 is installed, the dilute hydrochloric acid is prevented from leaking, and then the dilute hydrochloric acid tank is stored and taken.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. A be used for strong hydrochloric acid degree of depth to remove high sealed corrosion-resistant dilute hydrochloric acid jar which characterized in that: the storage tank comprises a base (1), wherein a storage tank (2) is arranged at the top of the base (1), and an integrated cover (3) is arranged at the top of the storage tank (2) in a sealing manner.
2. The highly sealed and corrosion resistant dilute hydrochloric acid tank for deep concentrated hydrochloric acid stripping of claim 1, wherein: the base (1) comprises a bottom shell (101), a plurality of supporting legs (102) are fixedly arranged at the outer edge of the bottom shell (101), a controller (103) is fixedly arranged on the outer wall of the bottom shell (101), a placing tray (106) is arranged at the top of the bottom shell (101), and a temperature sensor (105) and a heating wire (104) are fixedly arranged at the bottom of the placing tray (106).
3. The highly sealed and corrosion resistant dilute hydrochloric acid tank for deep concentrated hydrochloric acid stripping of claim 1, wherein: the storage tank (2) comprises a stainless steel outer cylinder (201) and a glass inner cylinder (202), and the glass inner cylinder (202) is mounted on the inner wall of the stainless steel outer cylinder (201) in a fitting mode.
4. A highly sealed corrosion resistant dilute hydrochloric acid tank for deep concentrated hydrochloric acid stripping as claimed in claim 3, wherein: an extension part (201 a) is arranged at the outer edge of the top of the stainless steel outer cylinder (201) at a distance.
5. The highly sealed and corrosion resistant dilute hydrochloric acid tank for deep concentrated hydrochloric acid stripping of claim 1, wherein: the integrated cover (3) comprises a top cover (301), a liquid inlet pipe (302) is installed in top communication of the top cover (301), a liquid inlet valve (303) is installed in top communication of the liquid inlet pipe (302), a liquid suction pipe (304) is installed in top communication of the top cover (301), a first plug (305) is installed in top cooperation of the liquid suction pipe (304), a first port of a volatilizing three-way pipe (306) is installed in top communication of the top cover (301), a hydrochloric acid concentration sensor (307) is installed in second port cooperation of the volatilizing three-way pipe (306), and a second plug (308) is installed in third port cooperation of the volatilizing three-way pipe (306).
6. The highly sealed and corrosion resistant dilute hydrochloric acid tank for deep concentrated hydrochloric acid stripping of claim 5, wherein: the hydrochloric acid concentration sensor (307) is electrically connected with the controller (103).
7. The highly sealed and corrosion resistant dilute hydrochloric acid tank for deep stripping of concentrated hydrochloric acid of claim 2, wherein: the temperature sensor (105) and the heating wire (104) are electrically connected with the controller (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320744603.7U CN219545659U (en) | 2023-04-07 | 2023-04-07 | High-sealing corrosion-resistant dilute hydrochloric acid tank for deep desorption of concentrated hydrochloric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320744603.7U CN219545659U (en) | 2023-04-07 | 2023-04-07 | High-sealing corrosion-resistant dilute hydrochloric acid tank for deep desorption of concentrated hydrochloric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219545659U true CN219545659U (en) | 2023-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320744603.7U Active CN219545659U (en) | 2023-04-07 | 2023-04-07 | High-sealing corrosion-resistant dilute hydrochloric acid tank for deep desorption of concentrated hydrochloric acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219545659U (en) |
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2023
- 2023-04-07 CN CN202320744603.7U patent/CN219545659U/en active Active
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