CN102284463A - Treatment method and device for wet discharging and dry stacking of ardealite - Google Patents
Treatment method and device for wet discharging and dry stacking of ardealite Download PDFInfo
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- CN102284463A CN102284463A CN2011101516470A CN201110151647A CN102284463A CN 102284463 A CN102284463 A CN 102284463A CN 2011101516470 A CN2011101516470 A CN 2011101516470A CN 201110151647 A CN201110151647 A CN 201110151647A CN 102284463 A CN102284463 A CN 102284463A
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- ardealite
- phosphoric acid
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- clear water
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Abstract
The invention discloses a treatment method and device for wet discharging and dry stacking of ardealite. Ardealite paste is conveyed to a filtering machine by a centrifugal pump; after being filtered and cleaned, the ardealite paste is conveyed to a slag yard for stacking; the filter liquid containing phosphoric acid is conveyed back to a phosphoric acid device for repeated utilization; while water pumped from the filtering machine by a vacuum pump is conveyed to a clean water trough for cleaning after being defoamed by a defoaming device; and clean water is pumped to a clean water pond by a clean water pump so as to be used as slag washing water of the filtering machine for cycle use. According to the invention, in the process of stacking the ardealite paste, due to adoption of the wet-discharging process, the ardealite slag paste is directly conveyed to a filtering device in a slag plant by a pump, so that the transport cost can be reduced, simultaneously the influence by the weather condition can be avoided, and the dust pollution in the opened type conveying process is not caused. A tilting disc type filtering machine is adopted for one-time filtering and two-time cleaning, the phosphoric acid remained in the ardealite paste can be fully recycled, and no waste water is discharged in the whole system, so that the influence to the environment is reduced. Due to adoption of the dry-stacking process, high threshold and high investment for a tailing pond are saved.
Description
Technical field
The present invention relates to the ardealite processing technology field, be specifically related to ardealite and stack processing method and device.
Background technology
General wet hydrofuge heap and the dried two kinds of methods of heap that drain of adopting of the stacking of domestic production producer ardealite at present.
Wet hydrofuge heap: phosphoric acid plant filters station and adopts the wet method deslagging, elder generation's water is sized mixing to ardealite, make moisture 70-80% ardealite slag slurry, distance according to fed distance adopts one or more levels to be pumped into ardealite mine tailing storehouse then, is pumped into phosphoric acid plant by the clear water water after the natural subsidence and reuses.Domestic large-scale phosphoric acid by wet process device generally adopts this method.This method has the advantage of waste water and phosphoric acid recovery utilization rate height, environmental protection and energy saving, easy to operate, each side such as operating cost is low.Its major defect: the one, because it is there is water in the slag storehouse throughout the year, big to water environment pollution control difficulty under the bad slag place of geological conditions; The 2nd, addressing is strict, and construction investment is big, and the construction period is long, the maintenance cost height, and have major safety risks.
The dried heap that drains: the dried heap technology that drains is that the ardealite that applies to the earliest in the Wet-process Phosphoric Acid Production is stored up mode.Phosphoric acid plant filters station and adopts dry cinder discharging, and moisture ardealite below 20% is transported to the ardealite storehouse with belt feeder, and automobile or ribbon conveyer are transported to off-site slag field then.This method does not need to build the mine tailing storehouse.Thereby the safety and the environmental issue in mine tailing storehouse have been avoided.But can omit ardealite during the transportation of automobile traffic program, cause dust pollution, automobile noise pollutes, and influences environmental sanitation.If adopt ribbon conveyer deslagging scheme, influence producing bad environment near installing, and the conveyor bridge distance is longer, it is unfavorable that the discrepancy in elevation is carried ribbon conveyer more greatly, architectural engineering expense height.
Summary of the invention
The objective of the invention is to provide a kind of freight low, be not subjected to the influence of weather condition, residual phosphoric acid can be fully recycled in the ardealite, need not build the wet heap processing method that drains of ardealite heap in mine tailing storehouse.
Another object of the present invention has provided the wet treating apparatus that drains heap of a cover ardealite.
The object of the present invention is achieved like this: the wet heap processing method that drains of a kind of ardealite, phosphoric acid plant filters the ardealite slurry that station ejects, be transported to filter by centrifugal pump, after filtering, washing, ardealite is sent to the slag field and stacks, and the filtrate of phosphoric acid is sent the phosphoric acid plant recycling back to, and the water after the demister foam removal is delivered to the clarification of clear water geosyncline, clear water is evacuated to clear water reserviors through clarified water pump, recycles as the flushing cinder water of filter.
The described ardealite slurry concentration that ejects from phosphoric acid plant filtration station is 20-30%.
After filtering, washing, moisture ardealite below 17% is sent to the slag field and stacks.
A kind of ardealite is wet to drain the heap treating apparatus: comprise filter, the formula that turns over filter is connected with vavuum pump through pipeline, and vavuum pump is connected with demister by pipeline, and demister is connected with the clear water geosyncline, and the clear water geosyncline communicates with clear water reserviors.
Wet heap processing method and the device of draining of ardealite heap provided by the invention, in the process that ardealite is stacked, owing to adopt wet row's technology, ardealite slag slurry directly is delivered to slag factory filter with pump, can reduce freight, be not subjected to simultaneously the influence of weather condition, the dust pollution question that does not exist automobile or belt of belt conveyor.Adopt the formula filter that turns over once to filter secondary washing simultaneously, phosphoric acid residual in the ardealite can be washed fully, and return phosphoric acid plant and recycle, whole system does not have waste water and effluxes, and has reduced the influence to environment.And, high threshold, the high investment of building the mine tailing storehouse have been saved again because adopt dried heap technology.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is a Processes and apparatus schematic diagram of the present invention.
The specific embodiment
As shown in Figure 1, a kind of ardealite is wet to drain the heap treating apparatus, comprises filter 1, and filter 1 is connected with vavuum pump 6 through pipeline, and vavuum pump 6 is connected with demister 2 by pipeline, and demister 2 is connected with clear water geosyncline 3, and clear water geosyncline 3 communicates with clear water reserviors 4.Filter 1 adopts the formula filter that turns over.
The course of work: the stereoplasm amount that the contains concentration that phosphoric acid plant filtration station ejects is the ardealite slurry A of 20-30%, be transported to the formula filter 1 that turns over two tandem centrifugal pumps, after once filtering secondary washing, moisture ardealite 5 below 17% is transported to slag field E through belt feeder and buries stacking, the liquor C of phosphoric acid, D send system's recycling back to, and filter 1 is delivered to 3 clarifications of clear water geosyncline through the water that vavuum pump 6 is released after demister 2 foam removals, clear water is evacuated to clear water reserviors 4 through clarified water pump, recycles as the flushing cinder water of the formula filter 1 that turns over.F is the air that vavuum pump is discharged among Fig. 1.
Claims (4)
1. an ardealite wets and drains the heap processing method, it is characterized in that: phosphoric acid plant filters the ardealite slurry that station ejects, be transported to filter by centrifugal pump, after filtering, washing, ardealite is sent to the slag field and stacks, and the filtrate of phosphoric acid is sent the phosphoric acid plant recycling back to, and filter is delivered to the clarification of clear water geosyncline through the water that vavuum pump is released after the demister foam removal, clear water is evacuated to clear water reserviors through clarified water pump, recycles as the flushing cinder water that turns over filter.
2. ardealite according to claim 1 is wet to drain the heap processing method, it is characterized in that: the described ardealite slurry concentration that ejects from phosphoric acid plant filtration station is 20-30%.
3. ardealite according to claim 1 is wet to drain the heap processing method, it is characterized in that: after filtering, washing, moisture ardealite below 17% is sent to the slag field and stacks.
4. an ardealite wets and drains the heap treating apparatus, comprise filter (1), it is characterized in that: filter (1) is connected with vavuum pump (6) through pipeline, vavuum pump (6) is connected with demister (2) by pipeline, demister (2) is connected with clear water geosyncline (3), and clear water geosyncline (3) communicates with clear water reserviors (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101516470A CN102284463A (en) | 2011-06-08 | 2011-06-08 | Treatment method and device for wet discharging and dry stacking of ardealite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101516470A CN102284463A (en) | 2011-06-08 | 2011-06-08 | Treatment method and device for wet discharging and dry stacking of ardealite |
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| CN102284463A true CN102284463A (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101516470A Pending CN102284463A (en) | 2011-06-08 | 2011-06-08 | Treatment method and device for wet discharging and dry stacking of ardealite |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103771515A (en) * | 2013-12-30 | 2014-05-07 | 广西利达磷化工有限公司 | Arsenic slag deodorizing device by use of phosphoric acid |
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| CN1178192A (en) * | 1996-09-27 | 1998-04-08 | 四川联合大学 | Optimized wet process for production of sulphuric acid |
| CN1876204A (en) * | 2006-07-06 | 2006-12-13 | 上海南化水处理技术工程有限公司 | Ardealite innocent treatment method |
| CN101298569A (en) * | 2008-06-26 | 2008-11-05 | 华东理工大学 | Gasification method of shock chilling type pulp or powder carbonaceous material |
| US20110044883A1 (en) * | 2008-04-09 | 2011-02-24 | Kemira Oyj | Method of purifying gypsum |
| CN102060408A (en) * | 2010-12-07 | 2011-05-18 | 华电水处理技术工程有限公司 | Wastewater evaporating process and device system |
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2011
- 2011-06-08 CN CN2011101516470A patent/CN102284463A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1178192A (en) * | 1996-09-27 | 1998-04-08 | 四川联合大学 | Optimized wet process for production of sulphuric acid |
| CN1876204A (en) * | 2006-07-06 | 2006-12-13 | 上海南化水处理技术工程有限公司 | Ardealite innocent treatment method |
| US20110044883A1 (en) * | 2008-04-09 | 2011-02-24 | Kemira Oyj | Method of purifying gypsum |
| CN101298569A (en) * | 2008-06-26 | 2008-11-05 | 华东理工大学 | Gasification method of shock chilling type pulp or powder carbonaceous material |
| CN102060408A (en) * | 2010-12-07 | 2011-05-18 | 华电水处理技术工程有限公司 | Wastewater evaporating process and device system |
Non-Patent Citations (2)
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| 杨至爱，张建荣: "尾矿干排和湿法干堆技术打造湖北三宁化工低碳运行新起点", 《中国化肥网》, 23 November 2010 (2010-11-23) * |
| 邓政斌，童雄: "浅述尾矿干堆技术的前景", 《矿冶》, vol. 20, no. 2, 11 January 2011 (2011-01-11) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103771515A (en) * | 2013-12-30 | 2014-05-07 | 广西利达磷化工有限公司 | Arsenic slag deodorizing device by use of phosphoric acid |
| CN103771515B (en) * | 2013-12-30 | 2015-12-30 | 广西利达磷化工有限公司 | A kind of phosphoric acid arsenic slag odor removal |
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| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Wanqing Inventor after: Wang Guangming Inventor after: Yang Zerong Inventor after: Xiong Yiman Inventor after: Li Yiping Inventor after: Cao Xuyong Inventor after: Chen Aimin Inventor before: Li Wanqing Inventor before: Wang Guangming Inventor before: Yang Zerong Inventor before: Li Yiping Inventor before: Cao Xuyong Inventor before: Chen Aimin |
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Free format text: CORRECT: INVENTOR; FROM: LI WANQING WANG GUANGMING YANG ZERONG LI YIPING CAO XUYONG CHEN AIMIN TO: LI WANQING WANG GUANGMING YANG ZERONG XIONG YIMAN LI YIPING CAO XUYONG CHEN AIMIN |
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Application publication date: 20111221 |