CN109722545B - Slag separation production method - Google Patents
Slag separation production method Download PDFInfo
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- CN109722545B CN109722545B CN201811637174.3A CN201811637174A CN109722545B CN 109722545 B CN109722545 B CN 109722545B CN 201811637174 A CN201811637174 A CN 201811637174A CN 109722545 B CN109722545 B CN 109722545B
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- slag
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to a slag sorting production method in the field of environmental protection.A material storage device is connected with a crushing device in a matching way, the crushing device comprises an upper side powder outlet and a lower side particle outlet, the upper side powder outlet is provided with an air conveying device in a matching way, the lower side particle outlet is provided with a conveying device in a matching way, the air conveying device is provided with a dust removal device in a matching way, the air conveying device enters the storage device through the conveying device, a finished product bin device is arranged, and a finished product output device is arranged below the finished product bin device in a matching way; a flue gas dust removal device is arranged beside the feeding device in a matched manner, the feeding device is directly communicated with the flue gas dust removal device through a pipeline, and the flue gas dust removal device is provided with a quantitative water adding system and a quantitative gas adding system in a matched manner; the invention provides a process flow convenient for separating slag ash, which is used for carrying out centralized treatment on smoke dust generated by primary pollution and secondary pollution in the working process, avoiding secondary pollution generated in the process of separating slag ash and improving the working efficiency.
Description
Technical Field
The invention relates to a slag separation production method in the field of environmental protection.
Background
According to different metallurgical processes, the furnace slag can be divided into smelting slag, refining slag and synthetic slag; according to the properties of the slag, the slag comprises alkaline slag, acid slag and neutral slag; many slags have significant utility; for example, blast furnace slag can be used as a cement raw material; the high phosphorus slag can be used as fertilizer; the vanadium-containing slag and the titanium-containing slag can be respectively used as raw materials for extracting vanadium and titanium, and the like; some furnace slag can be used for preparing furnace slag cement, furnace slag bricks, furnace slag glass and the like; the smelt of coal in the boiler combustion chamber is composed of coal ash; can be used as raw materials of bricks, tiles and the like; the slag powder is a melt which is generated in the pyrometallurgical process and floats on the surface of liquid substances such as metals, and the composition of the slag powder mainly comprises oxides (silicon dioxide, aluminum oxide, calcium oxide and magnesium oxide) and also often contains sulfides and carries a small amount of metals; the slag powder can be repeatedly utilized, can be used as a novel wall material, and the content of the slag powder accounts for more than 28 percent, so that hollow bricks and the like can be produced, the quality of the hollow bricks is improved to a certain extent, and a large amount of energy and materials thereof are saved; the traditional production process is complex in flow, secondary pollution can be generated in the production process, and long-term production and use are not facilitated.
Disclosure of Invention
The invention aims to provide a slag sorting production method, which provides a process flow convenient for sorting slag ash, wherein during the working process, the smoke dust generated by primary pollution and secondary pollution is treated in a centralized manner, so that the secondary pollution generated during the slag ash sorting process is avoided, and the working efficiency is improved.
The purpose of the invention is realized as follows: a slag sorting production method comprises a feeding device and a stirring device arranged below the feeding device, wherein a material storage device is arranged below the stirring device, the material storage device is connected with a crushing device in a matching mode, the crushing device comprises an upper powder outlet and a lower granular material outlet, an air conveying device is arranged at the upper powder outlet in a matching mode, a conveying device is arranged at the lower granular material outlet in a matching mode, a dust removing device is arranged at the air conveying device in a matching mode, the air conveying device enters a finished product bin device through the conveying device, and a finished product output device is arranged below the finished product bin device in a matching mode; a flue gas dust removal device is arranged beside the feeding device in a matched manner, the feeding device is directly communicated with the flue gas dust removal device through a pipeline, and the flue gas dust removal device is provided with a quantitative water adding system and a quantitative gas adding system in a matched manner; the slag sorting production method comprises the following steps
The method comprises the following steps that firstly, a finished product output device, a carrying-out device, an air conveying device, a carrying-in device, a crushing device, a material storage device, a stirring device, a smoke dust removal device, a feeding device and a dust removal device matched with the smoke dust removal device are started from back to front in sequence;
step two, during work, the slag enters from the feeding device and is subjected to arch breaking in the feeding bin, and meanwhile, the slag flows out of the outlet of the feeding bin and enters the material storage device to be subjected to primary large particle breaking;
step three, the slag crushed by the large particles is crushed and stirred into small particles after the large particle diameter of the slag is basically removed, and the small particles are crushed and stirred into a crushing device for secondary fine crushing;
step four, during crushing, feeding the powdery slag into a finished product bin device through an air conveying device, conveying the slag out and packaging the slag, and then recycling the slag;
step five, large-particle slag is conveyed out and packaged through a particle material outlet at the lower side, and a large amount of dust is treated through a dust removal device;
and step six, simultaneously, the smoke dust of the stirring device and the smoke dust generated during crushing enter the smoke dust removal device together for treatment, and are treated by matching with a quantitative water adding system and a quantitative gas adding system, and finally discharged.
When the device works, preparation work is well done, and the finished product output device, the conveying device, the air conveying device, the crushing device, the material storage device, the stirring device, the smoke dust removing device, the feeding device and the dust removing device matched with the feeding device are started in sequence from back to front; a large amount of furnace slag enters from a feeding device, then the furnace slag is stirred by a stirring device to avoid arching, and then the furnace slag is continuously stirred and crushed in sequence by a material storage device, large particles are crushed and stirred into small particles, and then the small particles enter a crushing device for fine crushing, and during the fine crushing, the powdery furnace slag enters a finished product bin device through an air conveying device and is loaded and packaged through a finished product output device; the large-particle slag enters the conveying device through the particle material outlet at the lower side and is conveyed out and packed, so that the utilization of slag ash can be realized; and in the production process, a large amount of generated dust is treated through the dust removal device, secondary pollution is avoided, smoke and dust discharged by the dust removal device enters the smoke and dust removal device again, meanwhile, the smoke and dust removal device is used for treating residual smoke and dust of slag entering the stirring device, a good smoke and dust treatment effect is guaranteed, waste water can be recycled, and the purpose of environmental protection is achieved.
The invention has the beneficial effects that the process flow convenient for sorting the slag ash is provided, the smoke dust generated by primary pollution and secondary pollution is intensively treated in the working process, the secondary pollution generated in the process of sorting the slag ash is avoided, and the working efficiency is improved.
As a further improvement of the invention, the flue gas dust removal device has higher working efficiency; flue gas dust collector includes the dust removal jar body, sets up the flue gas runner at the internal portion of dust removal jar, the flue gas runner is S-shaped setting from the top down, the flue gas runner includes left side baffle and right side baffle, and the equal parallel arrangement of left side baffle and right side baffle.
As a further improvement of the invention, in order to ensure that the flue gas can flow in an S shape; the inside of left side baffle and right side baffle is provided with the water pipe, be provided with the shower nozzle below left side baffle and the right side baffle, the shower nozzle sets gradually on left side baffle and right side baffle.
As a further improvement of the invention, the smoke dust can be repeatedly sprayed, and the degradation efficiency is improved; the angle of the spray head arranged on the left baffle plate is sequentially set to be 90 degrees, 80 degrees, 70 degrees and finally 10 degrees from the left side to the right side; the angle of the spray head arranged on the right baffle plate is sequentially set to 10 degrees, 20 degrees and finally 90 degrees from the left side to the right side.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a partial front view of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 1.
Wherein, 1 feed arrangement, 2 agitating unit, 3 material storage device, 4 reducing mechanism, 5 upside powder exports, 6 downside granule material exports, 7 wind send the device, 8 devices, 9 dust collector, 10 finished product storehouse devices, 11 finished product output device, 12 flue gas dust collector, 13 quantitative gas addition system, 14 quantitative water addition system, 15 feed storehouse, 16 straight tubes, 17 once stir broken subassembly, 18 secondary crushing subassembly, 19 dust removal jar bodies, 20 flue gas runner, 21 right side baffle, 22 left side baffle, 23 shower nozzle, 24 pipe chute.
Detailed Description
The purpose of the invention is realized as follows: a slag sorting production method comprises a feeding device 1 and a stirring device 2 arranged below the feeding device 1, wherein a material storage device 3 is arranged below the stirring device 2, the material storage device 3 is connected with a crushing device 4 in a matching mode, the crushing device 4 comprises an upper side powder outlet 5 and a lower side particle outlet 6, an air conveying device 7 is arranged below the upper side powder outlet 5 in a matching mode, a conveying device 8 is arranged at the lower side particle outlet 6 in a matching mode, a dust removing device 9 is arranged at the air conveying device 7 in a matching mode, the air conveying device 7 enters a finished product bin device 10 through the conveying device, and a finished product output device 11 is arranged below the finished product bin device 10 in a matching mode; a flue gas dust removal device 12 is arranged beside the feeding device 1 in a matching manner, the feeding device 1 is directly communicated with the flue gas dust removal device 12 through a pipeline, and the flue gas dust removal device 12 is provided with a quantitative water adding system 14 and a quantitative gas adding system 13 in a matching manner; the slag sorting production method comprises the following steps
The method comprises the following steps that firstly, a finished product output device 11, a delivery device 8, an air conveying device 7, a delivery device, a crushing device 4, a material storage device 3, a stirring device 2, a smoke dust removal device 9, a feeding device 1 and a dust removal device 9 matched with the feeding device are started from back to front in sequence;
step two, during work, the slag enters from the feeding device 1 and is subjected to arch breaking in the feeding bin 15, and simultaneously the slag flows out from the outlet of the feeding bin and enters the material storage device 3 to be subjected to primary large particle breaking;
step three, the slag crushed by the large particles is crushed and stirred into small particles after the large particle diameter of the slag is basically removed, and the small particles are fed into a crushing device 4 for secondary fine crushing;
step four, during crushing, the powdery slag enters a finished product bin device 10 through an air conveying device 7, and is conveyed out and packed, so that the slag is recycled;
step five, large-particle slag is conveyed out and packaged through the lower side granule material, and a large amount of dust is treated through a dust removal device 9;
and step six, simultaneously, the smoke dust of the stirring device 2 and the smoke dust generated during crushing enter the smoke dust removal device 12 together for treatment, and are treated by matching with the quantitative water adding system 14 and the quantitative gas adding system 13, and finally discharged.
The flue gas dust removal device 12 comprises a dust removal tank body 19 and a flue gas flow channel 20 arranged inside the dust removal tank body 19, wherein the flue gas flow channel 20 is in an S-shaped arrangement from top to bottom, the flue gas flow channel 20 comprises a left side baffle 22 and a right side baffle 21, and the left side baffle 22 and the right side baffle 21 are arranged in parallel.
The inside of left side baffle 22 and right side baffle 21 is provided with the water pipe, be provided with shower nozzle 23 below left side baffle 22 and the right side baffle 21, shower nozzle 23 sets gradually on left side baffle 22 and right side baffle 21.
The angle of the spray head 23 arranged on the left baffle 22 is sequentially set to be 90 degrees, 80 degrees, 70 degrees and finally 10 degrees from the left side to the right side; the angle of the spray head 23 arranged on the right baffle plate 21 is sequentially set to 10 degrees, 20 degrees and finally 90 degrees from the left side to the right side.
When the device works, preparation work is well done, and the finished product output device 11, the delivery device 8, the air conveying device 7, the delivery device, the crushing device 4, the material storage device 3, the stirring device 2, the smoke dust removing device 9, the feeding device 1 and the dust removing device 9 matched with the feeding device are started from back to front in sequence; a large amount of slag enters a feeding bin 15 from a feeding device 1, arch breaking equipment is arranged in the feeding bin 15 to break the arch of the slag constantly, the slag flows out from an outlet of the feeding bin while breaking the arch, enters a straight pipe 16 and then enters an inclined pipe 24 and is led to a material storage device 3 all the time, a large amount of slag is subjected to large particle crushing in the material storage device 3 for the first time, the slag subjected to large particle crushing is basically removed with large particle diameter and is crushed and stirred into small particles, fine crushing is carried out through a secondary crushing assembly 18, and during fine crushing, powdery slag enters a finished product bin device 10 through an air conveying device 7 and is loaded and packaged through a finished product output device 11; large-particle slag is conveyed out through a particle material outlet at the lower side and is packaged, so that the utilization of slag ash can be realized; in the production process, a large amount of generated dust is treated by the dust removal device 9 to avoid secondary pollution, the smoke dust discharged by the dust removal device 9 enters the smoke dust removal device 12 again, meanwhile, the smoke dust removal device 12 treats the residual smoke dust of the slag entering the stirring device 2 and inside the stirring device 2, the smoke dust generated by primary pollution and the smoke dust generated by secondary pollution enter the smoke gas flow channel 20 inside the dust removal tank body 19 together and flow from top to bottom, the lower suction device continuously sucks the smoke dust to improve the working efficiency, the smoke dust passes through the left baffle 22 and the right baffle 21 in sequence when the smoke gas flow channel 20 travels, and the angle of the spray nozzle 23 on the left baffle 22 is sequentially set to 90 degrees, 80 degrees, 70 degrees and finally 10 degrees from left side to right side; the spray heads 23 on the right baffle 21 are sequentially arranged at angles of 10 degrees, 20 degrees and finally 90 degrees from the left side to the right side, the spray heads 23 can spray in the fan-shaped direction against the flowing direction of the smoke dust, but also gradually changes the angle to spray towards the central position of the smoke walking route all the time, so that the smoke dust can be rapidly degraded, when the smoke moves from the position of the spray head 23 with the angle of 10 degrees, the spray head 23 is directly sprayed in a fan shape against the smoke and dust, then the smoke and dust continuously face inwards, when passing through the position of the spray head 23 with the angle of 20 degrees, the spray head 23 can spray smoke dust at the position with an angle of 10 degrees, and can also spray the moved smoke dust, and so on, the moved smoke dust is sprayed once and repeatedly for the second time by the spray head 23 all the time and flows out through a slope, and no backlog is generated; ensures better smoke dust treatment effect, and can recycle the waste water to achieve the aim of environmental protection.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (2)
1. A slag sorting production method comprises a feeding device and a stirring device arranged below the feeding device, wherein a material storage device is arranged below the stirring device, the material storage device is connected with a crushing device in a matching mode, the crushing device comprises an upper powder outlet and a lower granular material outlet, an air conveying device is arranged at the upper powder outlet in a matching mode, a conveying device is arranged at the lower granular material outlet in a matching mode, a dust removing device is arranged at the air conveying device in a matching mode, the air conveying device enters a finished product bin device through the conveying device, and a finished product output device is arranged below the finished product bin device in a matching mode; a flue gas dust removal device is arranged beside the feeding device in a matched manner, the feeding device is directly communicated with the flue gas dust removal device through a pipeline, and the flue gas dust removal device is provided with a quantitative water adding system and a quantitative gas adding system in a matched manner; the flue gas dust removal device comprises a dust removal tank body and a flue gas channel arranged in the dust removal tank body, wherein the flue gas channel is arranged in an S shape from top to bottom, and comprises a left baffle and a right baffle which are arranged in parallel; water pipes are arranged inside the left baffle and the right baffle, nozzles are arranged below the left baffle and the right baffle, and the nozzles are sequentially arranged on the left baffle and the right baffle; the angle of the spray head arranged on the left baffle plate is sequentially set to be 90 degrees, 80 degrees, 70 degrees and … … 10 degrees from the left side to the right side; the spray head arranged on the right baffle plate is sequentially arranged at an angle of 10 degrees, 20 degrees and … … 90 degrees from the left side to the right side.
2. The slag separation production method of claim 1, comprising
The method comprises the following steps that firstly, a finished product output device, a carrying-out device, an air conveying device, a carrying-in device, a crushing device, a material storage device, a stirring device, a smoke dust removal device, a feeding device and a dust removal device matched with the smoke dust removal device are started from back to front in sequence;
step two, during work, the slag enters from the feeding device and is subjected to arch breaking in the feeding bin, and meanwhile, the slag flows out of the outlet of the feeding bin and enters the material storage device to be subjected to primary large particle breaking;
step three, the slag crushed by the large particles is crushed and stirred into small particles after the large particle diameter of the slag is basically removed, and the small particles are crushed and stirred into a crushing device for secondary fine crushing;
step four, during crushing, feeding the powdery slag into a finished product bin device through an air conveying device, conveying the slag out and packaging the slag, and then recycling the slag;
step five, large-particle slag is conveyed out and packaged through a particle material outlet at the lower side, and a large amount of dust is treated through a dust removal device;
and step six, simultaneously, the smoke dust of the stirring device and the smoke dust generated during crushing enter the smoke dust removal device together for treatment, and are treated by matching with a quantitative water adding system and a quantitative gas adding system, and finally discharged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811637174.3A CN109722545B (en) | 2018-12-29 | 2018-12-29 | Slag separation production method |
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| CN201811637174.3A CN109722545B (en) | 2018-12-29 | 2018-12-29 | Slag separation production method |
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| CN109722545A CN109722545A (en) | 2019-05-07 |
| CN109722545B true CN109722545B (en) | 2020-06-30 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202212407U (en) * | 2011-08-22 | 2012-05-09 | 四川省川威集团有限公司 | Iron-containing dust and sludge recovery device |
| CN104399667A (en) * | 2014-11-13 | 2015-03-11 | 酒钢集团吉瑞再生资源开发有限责任公司 | Stainless steel slag sorting device and stainless steel slag sorting method |
| JP2015189643A (en) * | 2014-03-28 | 2015-11-02 | 住友大阪セメント株式会社 | Sorting method for steel slag, steel slag and sorting apparatus for steel slag |
| EP2975140A3 (en) * | 2014-06-04 | 2016-11-02 | Ecofirm s.r.o. | The method of recycling of secondary slag in the primary smelting of iron |
| CN207330966U (en) * | 2017-10-13 | 2018-05-08 | 陈涛 | A kind of ferrochrome smelting waste residue recycling equipment |
| CN109593967A (en) * | 2018-12-29 | 2019-04-09 | 扬州市顺达科技有限公司 | A kind of clinker sorting process units |
| CN209685885U (en) * | 2018-12-29 | 2019-11-26 | 扬州市顺达科技有限公司 | A kind of clinker sorting process units |
-
2018
- 2018-12-29 CN CN201811637174.3A patent/CN109722545B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202212407U (en) * | 2011-08-22 | 2012-05-09 | 四川省川威集团有限公司 | Iron-containing dust and sludge recovery device |
| JP2015189643A (en) * | 2014-03-28 | 2015-11-02 | 住友大阪セメント株式会社 | Sorting method for steel slag, steel slag and sorting apparatus for steel slag |
| EP2975140A3 (en) * | 2014-06-04 | 2016-11-02 | Ecofirm s.r.o. | The method of recycling of secondary slag in the primary smelting of iron |
| CN104399667A (en) * | 2014-11-13 | 2015-03-11 | 酒钢集团吉瑞再生资源开发有限责任公司 | Stainless steel slag sorting device and stainless steel slag sorting method |
| CN207330966U (en) * | 2017-10-13 | 2018-05-08 | 陈涛 | A kind of ferrochrome smelting waste residue recycling equipment |
| CN109593967A (en) * | 2018-12-29 | 2019-04-09 | 扬州市顺达科技有限公司 | A kind of clinker sorting process units |
| CN209685885U (en) * | 2018-12-29 | 2019-11-26 | 扬州市顺达科技有限公司 | A kind of clinker sorting process units |
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