CN203545661U - Negative-pressure concentrated sulfuric acid discharge system - Google Patents
Negative-pressure concentrated sulfuric acid discharge system Download PDFInfo
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- CN203545661U CN203545661U CN201320720789.9U CN201320720789U CN203545661U CN 203545661 U CN203545661 U CN 203545661U CN 201320720789 U CN201320720789 U CN 201320720789U CN 203545661 U CN203545661 U CN 203545661U
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- acid
- sour
- unloads
- sulfuric acid
- concentrated sulfuric
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Abstract
The utility model belongs to the technical field of concentrated sulfuric acid discharge, and particularly relates to a negative-pressure concentrated sulfuric acid discharge system. The negative-pressure concentrated sulfuric acid discharge system is characterized by being mainly composed of an acid discharge device, an acid storage device which is connected with the acid discharge device through an acid discharge pipeline, two eccentric screw pumps which are connected with the acid storage device, and a control box. According to the negative-pressure concentrated sulfuric acid discharge system, the self-flowing negative-pressure concentrated sulfuric acid discharge method is adopted, the concentrated sulfuric acid discharge process is simple, the concentrated sulfuric acid discharge speed is moderate, and the negative-pressure concentrated sulfuric acid discharge system is high in automation degree, safe and reliable; concentrated sulfuric acid is conveyed and added through the eccentric screw pumps, conveying and accurate adding of the concentrated sulfuric acid are integrated, the whole negative-pressure concentrated sulfuric acid discharge system is arranged on the floor, the altitude difference is reduced, operation is simple, and investment is small.
Description
Technical field
The utility model belongs to the concentrated sulphuric acid and unloads technic acid field, especially relates to a kind of concentrated sulphuric acid negative pressure and unloads acid system.
Background technology
Current a lot of iron ore beneficiating factory uses sulfuric acid as adjusting agent in hematite reverse flotation.In reverse flotation, conventional various starch (as cornstarch) is made inhibitor, and these starch are final also along with iron ore concentrate enters into filtration operation below together.Because starch viscosity is high, the starch in these iron ore concentrates gradually by filter cloth stop up, reduce filter efficiency, and filter cloth clean very difficult.So the iron concentrate filtering after reverse flotation, must be by starch processing before filtration.Current processing method, for to add sulfuric acid in ore pulp before filtration, by starch acidifying, is removed the viscosity of starch.So commonly use sulfuric acid in the reverse flotation in ore dressing plant and filtration operation.Sulfuric acid is the chemical substance that a kind of corrosive property is very strong, the conveying of sulfuric acid and store the general irony facility that adopts, this just conveying to sulfuric acid and store very high requirement.Because the concentrated sulphuric acid does not have corrosion attack to irony load transfer device and storage facility, dilute sulfuric acid has strong corrosion attack to irony load transfer device and storage facility, so be all directly the concentrated sulphuric acid to be joined in the tank diameter before flotation and filtration operation in ore dressing, to avoid, in the conveying of sulfuric acid and storage process, equipment is caused to corrosion, cause sulfuric acid to reveal.The current concentrated sulphuric acid is all to transport directly to ore dressing plant with tank car, much selects factory all to adopt aerating in tank car, the method concentrated sulphuric acid being drawn off from tank car by positive pressure air.At present ore dressing plant adopts mostly is that the method for siphon box is added the concentrated sulphuric acid, and this method needs the discrepancy in elevation, need to keep certain overflow always, and the concentrated sulphuric acid is carried and is added to two systems, and complex process is wayward.Because this method adopts malleation, unload acid, system complex, unloads sour speed high, wayward, is easy to cause sulfuric acid to reveal, in this way do not met environmental protection and safe requirement.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, easy to operate, can negative pressure unload acid, and safety factor is high, and the concentrated sulphuric acid negative pressure that degree of automation is high is unloaded acid system.
The purpose of this utility model realizes by following technical proposals:
A kind of concentrated sulphuric acid negative pressure of the present utility model is unloaded acid system, it is characterized in that mainly by unloading sour device, by unloading acid tube road, unloads therewith the storage acid device that sour device is connected, and two eccentered screw pumps and the control box that store up therewith that sour device is connected form,
The described sour device that unloads comprises acid tanker support platform, be located at acid tanker in this acid tanker support platform, the acid tanker of acid tanker bottom exports the sour case that unloads being connected by connecting tube I therewith, the sour case that unloads that unloads therewith sour case bottom exports two of being connected by two connecting tube II and unloads sour pump, be located at the electrically operated valve I in described connecting tube I, be located at respectively two electrically operated valve II in described two connecting tube II
Described storage acid device comprises acid storage tank, is located at the tank gage of this acid storage tank inside, and the acid storage tank of acid storage tank bottom exports two connecting tube III that are connected therewith, is located at respectively two electrically operated valve III in these two connecting tube III,
Described one end of unloading acid tube road is provided with lateral, and unload sour pump and be connected with described two respectively, the described other end that unloads acid tube road is connected with the acid storage tank entrance at described acid storage tank top, and two described connecting tube III are connected with two described eccentered screw pumps respectively
Described electrically operated valve I, electrically operated valve II, electrically operated valve III, tank gage and eccentered screw pump are connected with described control box respectively,
Two described eccentered screw pumps are connected with flowsheet of slurry agitation groove or pulp distributer.
Described acid tanker support platform is mainly comprised of two elongated platforms, and described elongated platform comprises go up a slope section, horizontal segment and lower slope section successively, and the centre distance between two described elongated platforms is consistent with the wheelspan of the left and right wheels of described acid tanker.
Described acid storage tank is height 8-9 rice, the cylindrical tank of diameter 2.5-3.5 rice.
The described sour case that unloads is the square chest sealing.
Advantage of the present utility model:
(1) concentrated sulphuric acid negative pressure of the present utility model is unloaded acid system and is adopted the negative pressure of gravity flow to unload sour mode, unloads sour process simple, unloads sour speed and relaxes, and system automation degree is high, safe and reliable;
(2) concentrated sulphuric acid negative pressure of the present utility model is unloaded acid system, and whole to unload acid, storage and conveying be all to complete in Sealing Arrangement, and the concentrated sulphuric acid can not be leaked, and it is reliable that this unloads sour process safety, meets environmental demands;
(3) concentrated sulphuric acid negative pressure of the present utility model is unloaded acid system and is adopted eccentered screw pump carry and add the concentrated sulphuric acid, and by the conveying of the concentrated sulphuric acid with accurately add and combine together, whole facility is arranged in ground, saves the discrepancy in elevation, simple to operate, invests little;
(4) concentrated sulphuric acid negative pressure of the present utility model is unloaded acid system and is adopted two narrow support acid tanker, has guaranteed acid tanker and has unloaded the sour discrepancy in elevation of unloading between sour case, with two elongated platforms, need not save construction investment by a large platform.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, further illustrate the specific embodiment of the present utility model.
As shown in Figure 1, concentrated sulphuric acid negative pressure of the present utility model is unloaded acid system, it is characterized in that mainly by unloading sour device, by unloading acid tube road 19, unloads therewith the storage acid device that sour device is connected, and two eccentered screw pumps 1 and the control box that store up therewith that sour device is connected form,
The described sour device that unloads comprises acid tanker support platform, be located at acid tanker 10 in this acid tanker support platform, the acid tanker of acid tanker 10 bottoms outlet 12 is connected by connecting tube I 13 therewith unloads sour case 15, unload therewith the sour case outlet of unloading of sour case 15 bottoms 16 two of being connected by two connecting tube II 20 and unload sour pump 18, be located at the electrically operated valve I 14 in described connecting tube I 13, be located at respectively two electrically operated valve II 17 in described two connecting tube II 20
Described storage acid device comprises acid storage tank 4, is located at the tank gage 7 of these acid storage tank 4 inside, and the acid storage tank of acid storage tank 4 bottoms outlet 5 two connecting tube III 3 that are connected, are located at respectively two electrically operated valve III 2 in these two connecting tube III 3 therewith,
Described one end of unloading acid tube road 19 is provided with lateral, and unload sour pump 18 and be connected with described two respectively, the described other end that unloads acid tube road 19 is connected with the acid storage tank entrance 6 at described acid storage tank 4 tops, two described connecting tube III 3 are connected with two described eccentered screw pumps 1 respectively
Described electrically operated valve I 14, electrically operated valve II 17, electrically operated valve III 2, tank gage 7 and eccentered screw pump 1 are connected with described control box respectively,
Two described eccentered screw pumps 1 are connected with flowsheet of slurry agitation groove or pulp distributer.
Described acid tanker support platform is mainly comprised of two elongated platforms, and described elongated platform comprises go up a slope section 8, horizontal segment 9 and lower slope section 11 successively, and the centre distance between two described elongated platforms is consistent with the wheelspan of the left and right wheels of described acid tanker 10.
Described acid storage tank 4 is height 8-9 rice, the cylindrical tank of diameter 2.5-3.5 rice.
Described unload the square chest that sour case 15 is sealing.
Working process of the present utility model is:
Control box can be controlled the frequency converter of eccentered screw pump 1, and the concentrated sulphuric acid that eccentered screw pump 1 is carried controls to the flow needing.When liquidometer 7 detects the high charge level that reaches acid storage tank 4, control box provides instruction, electrically operated valve I 14 and electrically operated valve II 17 orderly close-downs, and acid tanker 10 stops unloading acid; When liquidometer 7 detects the minimum material level that reaches acid storage tank 4, control box provides instruction, and electrically operated valve II 17 and electrically operated valve I 14 orders are opened, and acid tanker 10 starts to unload acid.When system no longer needs acid adding, eccentered screw pump 1, electrically operated valve III 2, electrically operated valve II 17 and electrically operated valve I 14 orderly close-downs, whole system quits work.
Concentrated sulphuric acid negative pressure of the present utility model is unloaded acid system and is adopted the negative pressure of gravity flow to unload sour mode, unloads sour process simple, unloads sour speed and relaxes, and system automation degree is high, safe and reliable; Whole to unload acid, storage and conveying be all to complete in Sealing Arrangement, and the concentrated sulphuric acid can not be leaked, and meets environmental demands; Because this concentrated sulphuric acid negative pressure is unloaded acid system and is adopted eccentered screw pump 1 carry and add the concentrated sulphuric acid, by the conveying of the concentrated sulphuric acid with accurately add and combine together, make whole facility be arranged in ground, save the discrepancy in elevation, simple to operate, invest little.In addition, concentrated sulphuric acid negative pressure of the present utility model is unloaded acid system and is adopted two elongated platforms to support acid tanker, guaranteed acid tanker and unloaded the sour diff-H that unloads between sour case, with two elongated platforms, need not save construction investment by a large platform, be worthy to be popularized and be widely used.
Claims (4)
1. concentrated sulphuric acid negative pressure is unloaded an acid system, it is characterized in that mainly by unloading sour device, by unloading acid tube road, unloads therewith the storage acid device that sour device is connected, and two eccentered screw pumps and the control box that store up therewith that sour device is connected form,
The described sour device that unloads comprises acid tanker support platform, be located at acid tanker in this acid tanker support platform, the acid tanker of acid tanker bottom exports the sour case that unloads being connected by connecting tube I therewith, the sour case that unloads that unloads therewith sour case bottom exports two of being connected by two connecting tube II and unloads sour pump, be located at the electrically operated valve I in described connecting tube I, be located at respectively two electrically operated valve II in described two connecting tube II
Described storage acid device comprises acid storage tank, is located at the tank gage of this acid storage tank inside, and the acid storage tank of acid storage tank bottom exports two connecting tube III that are connected therewith, is located at respectively two electrically operated valve III in these two connecting tube III,
Described one end of unloading acid tube road is provided with lateral, and unload sour pump and be connected with described two respectively, the described other end that unloads acid tube road is connected with the acid storage tank entrance at described acid storage tank top, and two described connecting tube III are connected with two described eccentered screw pumps respectively
Described electrically operated valve I, electrically operated valve II, electrically operated valve III, tank gage and eccentered screw pump are connected with described control box respectively,
Two described eccentered screw pumps are connected with flowsheet of slurry agitation groove or pulp distributer.
2. concentrated sulphuric acid negative pressure according to claim 1 is unloaded acid system, it is characterized in that described acid tanker support platform is mainly comprised of two elongated platforms, described elongated platform comprises go up a slope section, horizontal segment and lower slope section successively, and the centre distance between two described elongated platforms is consistent with the wheelspan of the left and right wheels of described acid tanker.
3. concentrated sulphuric acid negative pressure according to claim 1 is unloaded acid system, it is characterized in that described acid storage tank is for height 8-9 rice, the cylindrical tank of diameter 2.5-3.5 rice.
4. concentrated sulphuric acid negative pressure according to claim 1 is unloaded acid system, it is characterized in that the described square chest that sour case is sealing that unloads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320720789.9U CN203545661U (en) | 2013-11-15 | 2013-11-15 | Negative-pressure concentrated sulfuric acid discharge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320720789.9U CN203545661U (en) | 2013-11-15 | 2013-11-15 | Negative-pressure concentrated sulfuric acid discharge system |
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| Publication Number | Publication Date |
|---|---|
| CN203545661U true CN203545661U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320720789.9U Withdrawn - After Issue CN203545661U (en) | 2013-11-15 | 2013-11-15 | Negative-pressure concentrated sulfuric acid discharge system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103723668A (en) * | 2013-11-15 | 2014-04-16 | 中冶北方（大连）工程技术有限公司 | Concentrated sulfuric acid negative pressure discharging system |
-
2013
- 2013-11-15 CN CN201320720789.9U patent/CN203545661U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103723668A (en) * | 2013-11-15 | 2014-04-16 | 中冶北方（大连）工程技术有限公司 | Concentrated sulfuric acid negative pressure discharging system |
| CN103723668B (en) * | 2013-11-15 | 2016-03-16 | 中冶北方（大连）工程技术有限公司 | Sulfuric acid negative pressure unloads acid system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20160316 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |