CN102311084A - Acid-unloading system and method of canned concentrated sulfuric acid in car - Google Patents
Acid-unloading system and method of canned concentrated sulfuric acid in car Download PDFInfo
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- CN102311084A CN102311084A CN2010102122999A CN201010212299A CN102311084A CN 102311084 A CN102311084 A CN 102311084A CN 2010102122999 A CN2010102122999 A CN 2010102122999A CN 201010212299 A CN201010212299 A CN 201010212299A CN 102311084 A CN102311084 A CN 102311084A
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- acid
- concentrated sulphuric
- sulphuric acid
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- unloading
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Abstract
The invention discloses an acid-unloading method, in particular to an acid-unloading system and method of canned concentrated sulfuric acid in a car in alumina production. The acid-unloading system of the canned concentrated sulfuric acid in the car comprises the following structure: a canned car (3) is connected with an acid-unloading tank (5) through an acid-unloading pipeline; the acid-unloading tank (5) is connected with a compressed air storage tank (4) through an air delivery pipeline (2) and with a concentrated sulfuric acid storage tank (6) through a sulfuric acid delivery pipeline (1); and an inlet valve is arranged on the sulfuric acid delivery pipeline (1). In the invention, the equipment, such as a car tank, an acid-unloading tank, the compressed air storage tank, the concentrated sulfuric acid storage tank and the like is utilized, and the concentrated sulfuric acid is unloaded safely, reliably and conveniently. The invention has a simple process which is carried out in a sealing state, is capable of unloading the canned concentrated sulfuric acid in the car completely and cleanly to avoid occurrence of accidents, effectively reducing leakage of the concentrated sulfuric acid, preventing environment pollution, saving energy and reducing consumption and improving the economic benefit of an alumina factory.
Description
Technical field
The present invention relates to a kind of sour method of unloading, what relate in particular to the canned concentrated sulphuric acid of a kind of automobile in the alumina producing unloads acid system and method.
Background technology
Need pickling because pipeline or equipment are easy to generate to scab in the existing alumina producing, especially the pressure in the producing aluminium oxide by bayer is boiled stripping with evaporization process often needs pickling, and generally sulfuric acid is all adopted in pickling.Need in the production transport to factory to the concentrated sulphuric acid earlier, be made into dilute sulfuric acid again and add inhibiter and carry out cycle pickling with pump delivery.Owing to be that the concentrated sulphuric acid has high risk; All influential to operator safety and environmental pollution; Need aborning safety, reliably, transport easily and use; Therefore how the canned concentrated sulphuric acid that is transported in the factory carries out safety, unloads acid reliably, easily, and this is to guaranteeing the safe reliability of operation, and the protection environment is significant.Safe and reliable sour flow process and the device of unloading not only can guarantee the safety of operating can also reduce investment, is important measures of keeping the safety in production in the alumina producing, cutting down the consumption of energy, increasing economic efficiency.There is the problem that technological process is complicated, over-the-road expense is high in the sour method of unloading of the present concentrated sulphuric acid, and its safety also remains further to be improved.
Summary of the invention
The present invention be exactly the canned concentrated sulphuric acid of a kind of automobile is provided in order to solve the problems of the technologies described above unload acid system and method; Purpose be safe, reliable, efficient, unload acid easily; It is simple to simplify technological process, thus can reduce alumina producer investment and over-the-road expense, cut down the consumption of energy.
For reaching above-mentioned purpose, the present invention realizes through following technical scheme:
The canned concentrated sulphuric acid of a kind of automobile unload acid system; Its structure is following: canned automobile is through unloading the acid tube road and unloading acid and jar be connected; Unload the acid jar and be connected with the air duct road, compressed air reservoir is connected with concentrated sulphuric acid storage tank through the air duct road, and the sulfuric acid transfer line is provided with admission valve.
Described air duct road is connected with compressed air reservoir.
The described acid tube road of unloading is provided with control and unloads sour valve.
Described air duct road is provided with compressed air control valve.
Described concentrated sulphuric acid storage tank and unload acid jar between be provided with concentrated sulphuric acid return line, concentrated sulphuric acid return line is provided with control cock.
The described acid jar upper end of unloading is connected with the user's transfer line that the concentrated sulphuric acid is flowed to the user.
Described user's transfer line is provided with concentrated sulphuric acid control cock.
Described unload acid jar acid inlet, go out acid mouthful and the compressed air inlet all unload acid jar top.
The canned concentrated sulphuric acid of a kind of automobile unload sour method; Comprise the steps: to be transported in the canned automobile of factory the concentrated sulphuric acid earlier through flow by gravity to unloading in the acid jar; Be pressed onto the concentrated sulphuric acid that unloads in the acid jar in the concentrated sulphuric acid storage tank with the pressurized air in the compressed air reservoir again, accomplish and unload acid.
The concentrated sulphuric acid in the described concentrated sulphuric acid storage tank flows by gravity back to and unloads in the acid jar, gives other user with compressed air delivery again.
The concentrated sulphuric acid in the described canned automobile feeds pressurized air after all flowing automatically to and unloading in the acid jar again.
Advantage of the present invention and effect are following:
Sour method and the device safety of operation, reliable, convenient of unloading of the present invention.Flow process is simple, uses the pressurized air energy consumption low, and whole flow process all is under air-tight state, to carry out, and not only can the canned concentrated sulphuric acid of automobile be unloaded totally fully the generation of stopping accident; And can effectively reduce the leakage of the concentrated sulphuric acid, and prevent pollution to environment, energy-saving and cost-reducing, improve the economic benefit of alumina producer.
Description of drawings
Fig. 1 is the structural representation that unloads acid system of the canned concentrated sulphuric acid of automobile of the present invention.
Among the figure: 1, sulfuric acid transfer line; 2, air duct road; 3, canned automobile; 4, compressed air reservoir; 5, unload acid jar, 6, concentrated sulphuric acid storage tank.
The specific embodiment
Combine accompanying drawing to describe in detail in the face of inventive embodiment down, but protection scope of the present invention is not limit by embodiment.
As shown in Figure 1; The canned concentrated sulphuric acid of automobile of the present invention unload acid system; Its structure is following: canned automobile 3 is through unloading the acid tube road and unloading acid jars 5 and be connected; Unload acid jar 5 and be connected with compressed air reservoir 4 through air duct road 2, unload acid jar 5 and be connected with concentrated sulphuric acid storage tank 6 through sulfuric acid transfer line 1, sulfuric acid transfer line 1 is provided with admission valve.
Described air duct road 2 is connected with compressed air reservoir 5.Unloading the acid tube road is provided with control and unloads sour valve.Air duct road 2 is provided with compressed air control valve.Concentrated sulphuric acid storage tank 6 and unload between the acid jars 5 and be provided with concentrated sulphuric acid return line, concentrated sulphuric acid return line is provided with control cock.Unload acid jar 5 upper ends and be connected with the user's transfer line that the concentrated sulphuric acid is flowed to the user, user's transfer line is provided with concentrated sulphuric acid control cock.
The above-mentioned acid inlet that unloads acid jars 5, go out acid mouthful and compressed air inlet all on the top of unloading acid jar.
The canned concentrated sulphuric acid of a kind of automobile unload sour method; Comprise the steps: to be transported in the canned automobile 3 of factory the concentrated sulphuric acids earlier through flow by gravity to unloading in the acid jars 5; Be pressed onto the concentrated sulphuric acid that unloads in the acid jar 5 in the concentrated sulphuric acid storage tank 6 with the pressurized air in the compressed air reservoir again, accomplish and unload acid.The concentrated sulphuric acid in the concentrated sulphuric acid storage tank flows by gravity back to and unloads in the acid jar, gives other user with compressed air delivery again.The concentrated sulphuric acid in the canned automobile 3 feeds pressurized air after all flowing automatically to and unloading in the acid jar again.
The principle of unloading acid of the canned concentrated sulphuric acid of automobile of the present invention is following:
The concentrated sulphuric acid from canned automobile 3 through flow by gravity to unloading the acid jars 5; Pressurized air is introduced in the compressed air reservoir 4, when the concentrated sulphuric acid 1 all flow automatically to unload in the acid jars 5 after, close the return valve of the admission valve that unloads acid jars 5, concentrated sulphuric acid storage tank 6 and be transported to other user's valve; Open the admission valve that is transported to concentrated sulphuric acid storage tank 6; Open the imported valve of the pressurized air 2 of unloading acid jar 5 at last, be transported to the concentrated sulphuric acid 1 in the concentrated sulphuric acid storage tank 6, accomplish and unload acid through continuous feeding pressurized air.Similar principles can flow to other user to the concentrated sulphuric acid in the concentrated sulphuric acid storage tank 61 through unloading acid jars 5.
Claims (11)
1. the canned concentrated sulphuric acid of automobile unloads acid system; It is characterized in that structure is following: canned automobile (3) is through unloading the acid tube road and unloading acid jar (5) and be connected; Unloading acid jar (5) is connected with compressed air reservoir (4) through air duct road (2); Unload acid jar (5) and be connected with concentrated sulphuric acid storage tank (6) through sulfuric acid transfer line (1), sulfuric acid transfer line (1) is provided with admission valve.
2. the canned concentrated sulphuric acid of automobile according to claim 1 unload acid system, it is characterized in that described air duct road (2) is connected with compressed air reservoir (5).
3. the canned concentrated sulphuric acid of automobile according to claim 1 unload acid system, it is characterized in that the described acid tube road of unloading is provided with control and unloads sour valve.
4. the canned concentrated sulphuric acid of automobile according to claim 1 unload acid system, it is characterized in that described air duct road (2) is provided with compressed air control valve.
5. the canned concentrated sulphuric acid of automobile according to claim 1 unload acid system, it is characterized in that described concentrated sulphuric acid storage tank (6) and unload between the acid jar (5) being provided with concentrated sulphuric acid return line, concentrated sulphuric acid return line is provided with control cock.
6. according to the acid system that unloads of the claim 1 or the canned concentrated sulphuric acid of 5 described automobiles, it is characterized in that described acid jar (5) upper end of unloading is connected with the user's transfer line that the concentrated sulphuric acid is flowed to the user.
7. the canned concentrated sulphuric acid of automobile according to claim 6 unload acid system, it is characterized in that described user's transfer line is provided with concentrated sulphuric acid control cock.
8. the canned concentrated sulphuric acid of automobile according to claim 1 unload acid system, it is characterized in that the described acid inlet that unloads acid jar (5), go out acid mouthful and compressed air inlet all on the top of unloading acid jar.
9. the canned concentrated sulphuric acid of automobile unloads sour method; The interior concentrated sulphuric acid of canned automobile (3) that it is characterized in that comprising the steps: being transported to factory earlier through flow by gravity to unloading in the acid jar (5); Be pressed onto the concentrated sulphuric acid that unloads in the acid jar (5) in the concentrated sulphuric acid storage tank (6) with the pressurized air in the compressed air reservoir again, accomplish and unload acid.
10. the canned concentrated sulphuric acid of automobile according to claim 9 unload sour method,, it is characterized in that the concentrated sulphuric acid in the described concentrated sulphuric acid storage tank flows by gravity back to unload in the acid jar, give other user with compressed air delivery again.
11. the canned concentrated sulphuric acid of automobile according to claim 9 unload sour method,, it is characterized in that the concentrated sulphuric acid in the described canned automobile (3) all flow automatically to unload in the acid jar after, feed pressurized air again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102122999A CN102311084A (en) | 2010-06-29 | 2010-06-29 | Acid-unloading system and method of canned concentrated sulfuric acid in car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102122999A CN102311084A (en) | 2010-06-29 | 2010-06-29 | Acid-unloading system and method of canned concentrated sulfuric acid in car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102311084A true CN102311084A (en) | 2012-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102122999A Pending CN102311084A (en) | 2010-06-29 | 2010-06-29 | Acid-unloading system and method of canned concentrated sulfuric acid in car |
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| Country | Link |
|---|---|
| CN (1) | CN102311084A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043592A (en) * | 2012-11-16 | 2013-04-17 | 云南钛业股份有限公司 | Safe acid discharge method with acid pump protection function |
| CN105480925A (en) * | 2015-11-11 | 2016-04-13 | 厦门理工学院 | Zero-leakage caustic soda liquid unloading device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2390863Y (en) * | 1999-08-16 | 2000-08-09 | 张友清 | Non-pump liquid-sucking apparatus |
| CN201334355Y (en) * | 2008-12-18 | 2009-10-28 | 贵阳铝镁设计研究院 | Device for preventing syphonage during discharging acid |
| EP2113314A2 (en) * | 2008-04-28 | 2009-11-04 | Josef Dagn | Device for extracting fuel from motor vehicles that are to be disposed |
| CN201729652U (en) * | 2010-06-29 | 2011-02-02 | 沈阳铝镁设计研究院 | Unloading system for vehicle-mounted canned concentrated sulfuric acid |
-
2010
- 2010-06-29 CN CN2010102122999A patent/CN102311084A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2390863Y (en) * | 1999-08-16 | 2000-08-09 | 张友清 | Non-pump liquid-sucking apparatus |
| EP2113314A2 (en) * | 2008-04-28 | 2009-11-04 | Josef Dagn | Device for extracting fuel from motor vehicles that are to be disposed |
| CN201334355Y (en) * | 2008-12-18 | 2009-10-28 | 贵阳铝镁设计研究院 | Device for preventing syphonage during discharging acid |
| CN201729652U (en) * | 2010-06-29 | 2011-02-02 | 沈阳铝镁设计研究院 | Unloading system for vehicle-mounted canned concentrated sulfuric acid |
Non-Patent Citations (1)
| Title |
|---|
| 国永红: "动力车间卸酸***改造", 《石油化工腐蚀与防护》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043592A (en) * | 2012-11-16 | 2013-04-17 | 云南钛业股份有限公司 | Safe acid discharge method with acid pump protection function |
| CN103043592B (en) * | 2012-11-16 | 2015-12-02 | 云南钛业股份有限公司 | A kind of method protecting sour pump to unload safely acid |
| CN105480925A (en) * | 2015-11-11 | 2016-04-13 | 厦门理工学院 | Zero-leakage caustic soda liquid unloading device |
| CN105480925B (en) * | 2015-11-11 | 2019-01-25 | 厦门理工学院 | Alkali device is unloaded in a kind of zero leakage |
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Application publication date: 20120111 |