CN103537182A - Flue gas desulfurization device for anode furnace and desulfurization process - Google Patents
Flue gas desulfurization device for anode furnace and desulfurization process Download PDFInfo
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- CN103537182A CN103537182A CN201310521932.6A CN201310521932A CN103537182A CN 103537182 A CN103537182 A CN 103537182A CN 201310521932 A CN201310521932 A CN 201310521932A CN 103537182 A CN103537182 A CN 103537182A
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Abstract
The invention discloses a flue gas desulfurization device for an anode furnace. The flue gas desulfurization device comprises a desulfurization tower, a Roots blower, a lime slurry storage tank, a cyclone, a pressure filter, a desulfurization water pump, a pipeline and a pipeline valve, and is characterized in that a three-layer spraying device is arranged inside the desulfurization tower; an anode furnace flue gas inlet is formed in the lower part of the three-layer spraying device; a lower inlet of the desulfurization tower is connected with the Roots blower, and an outlet is connected with the cyclone and the pressure filter in sequence through a gypsum slurry output pump; the lime slurry storage tank is connected with the desulfurization water pump through a lime slurry supplementation pump; the desulfurization water pump is connected with inlets of the three-layer spraying device. When flue gas containing sulfur dioxide passes through the desulfurization tower, the sulfur dioxide in the flue gas reacts with lime slurry which is sprayed by the desulfurization water pump to generate calcium sulfite and calcium sulfate so as to be removed. The flue gas desulfurization device is low in investment, small in occupied area and easy to operate by virtue of tower internal oxidation and tower internal circulation. A related national emission standard can be met, and the environmental protection effect is improved.
Description
Technical field
The invention belongs to anode furnace flue gas desulfurization technique field, relate to a kind of anode furnace flue gas desulfur device and sulfur removal technology.
Background technology
Most domestic anode furnace flue gas directly enters atmosphere at present, and same surrounding environment is exerted an influence, and along with environmental requirement is more and more higher, anode furnace standard limit of smog release is also more and more tighter, therefore needs a kind of desulfurizer to solve this problem.For addressing this problem, in prior art, be no lack of the solution that has Similar Problems, but be not very desirable, prior art scheme is also difficult to meet the actual needs of producing.
Summary of the invention
The object of the invention is to provide a kind of anode furnace flue gas desulfur device and sulfur removal technology, is mainly used in solving anode furnace and produces the sulfur dioxide problem in flue gas.
One of technical solution of the present invention:
A kind of anode furnace flue gas desulfur device, it comprises desulfurizing tower, roots blower, lime white storage tank, rotating force device, filter press, desulfurization water pump and pipeline and pipeline valve, described desulfurizing tower inside is provided with three layers of spray equipment, the below of three layers of spray equipment is provided with anode furnace gas approach, the lower end import of desulfurizing tower is connected with roots blower, outlet is linked in sequence by calcium plaster rear pump and rotating force device and filter press, lime white storage tank is connected with desulfurization water pump by lime white make-up pump, and desulfurization water pump is connected with the import of three layers of spray equipment.
Also comprise lime white rear pump, lime slaking pond and lime silo, lime silo is arranged on top, lime slaking pond, and lime slaking pond is connected with lime white storage tank by lime white rear pump.
Also comprise filtered fluid storage tank and water tank, the outlet of filtered fluid storage tank is connected with the moisturizing entrance in lime slaking pond by filtrate pump, filtered fluid storage tank has three imports, water tank is connected with first import of filtered fluid storage tank by water pump, filter press purified liquor outlet is connected with second import of filtered fluid storage tank, and the drainpipe of gypsum filter is connected with the 3rd import of filtered fluid storage tank.
Described water tank is also connected with the import of three layers of spray equipment of desulfurizing tower, the water supplement port in the water supplement port of lime white storage tank, lime slaking pond respectively by water pump.
Described water tank by water pump also respectively with the rinse mouth of rotating force device, the rinse mouth of the rinse mouth of filter press, lime white make-up pump, the rinse mouth of calcium plaster rear pump is that delivery outlet is connected to form flushing line.
Two of technical solution of the present invention:
A sulfur removal technology for anode furnace flue gas desulfur device, anode furnace flue gas enters after desulfurizing tower, by spraying layer, from top, leaves;
The in the situation that of lime white make-up pump and desulfurization water pump operation, in lime white storage tank, lime slurry constantly sprays in anode furnace flue gas by three layers of spray equipment, when containing sulfur dioxide flue gas process desulfurizing tower, sulfur dioxide in flue gas reacts and generates calcium sulfite with the lime slurry of desulfurization water pump spray, thereby removes the sulfur dioxide in flue gas; Simultaneously, the lower end import of roots blower by desulfurizing tower blasts air to the calcium sulfite slurry in desulfurizing tower makes the calcium sulfite oxidation in desulfurizing tower sodalime slurries become calcium sulfate, lime generates gypsum, gypsum slurries is linked in sequence by calcium plaster rear pump and rotating force device and filter press, through filter press, be divided into clear liquid and gypsum, clear liquid enters filtered fluid storage tank, and gypsum is transported.
The present invention is because oxidation in tower, circulation in tower, invest little, floor space is little, simple to operate.Can reach the relevant discharge standard of country, improve environment protecting.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
In figure: desulfurizing tower 1, roots blower 2, calcium plaster rear pump 3, lime white make-up pump 4, lime white storage tank 5, lime white rear pump 6, lime slaking pond 7, lime silo 8, rotating force device 9, filter press 10, filtered fluid storage tank 11, water tank 12, water pump 13, filtrate pump 14, desulfurization water pump 15.
The specific embodiment
The present invention can specifically implement by the technical scheme in summary of the invention, and by the following examples can the invention will be further described, yet scope of the present invention is not limited to following embodiment.
Embodiment 1:
A kind of anode furnace flue gas desulfur device, it comprises desulfurizing tower 1, roots blower 2, lime white storage tank 5, rotating force device 9, filter press 10, desulfurization water pump 15 and pipeline, described desulfurizing tower 1 inside is provided with three layers of spray equipment, the below of three layers of spray equipment is provided with anode furnace gas approach, the lower end import of desulfurizing tower 1 is connected with roots blower 2, roots blower 2 is to constantly oxygen oxidation in tower, the outlet of desulfurizing tower 1 is linked in sequence by calcium plaster rear pump 3 and rotating force device 9 and filter press 10, and calcium plaster rear pump 3 pumps into gypsum slurries to rotating force device 9 as requested; Lime white storage tank 5 is connected with desulfurization water pump 15 by lime white make-up pump 4, and desulfurization water pump 15 is connected with the import of three layers of spray equipment.Lime white make-up pump 4 amounts of pumping into regulate according to pH value in desulfurizing tower.Calcium plaster rear pump 3, rotating force device 9, filter press 10, filtered fluid storage tank 11 etc. form gypsum and discharge system.
Also comprise lime white rear pump 6, lime slaking pond 7 and lime silo 8, lime silo 8 is arranged on 7 tops, lime slaking pond, and lime slaking pond 7 is connected with lime white storage tank 5 by lime white rear pump 6.Lime slurry after slaking pumps into lime white storage tank 5 by lime rear pump 6.Lime silo 8, lime slaking pond 7, lime white rear pump 6, lime white storage tank 5, lime white make-up pump 4 grades form lime white preparation system.As required to the interior supplementary lime slurry of desulfurizing tower 1, thereby reach the order ground of continuous desulfurization.
Also comprise filtered fluid storage tank 11 and water tank 12, the outlet of filtered fluid storage tank 11 is connected with the moisturizing entrance in lime slaking pond 7 by filtrate pump 14, filtered fluid storage tank 11 has three imports, water tank 12 is connected with first import of filtered fluid storage tank 11 by water pump 13, filter press 10 purified liquor outlets are connected with second import of filtered fluid storage tank 11, rotating force device 9 is connected with filter press 10, and gypsum is constantly discharged, and filtrate enters filtered fluid storage tank 11; The drainpipe of gypsum filter is connected with the 3rd import of filtered fluid storage tank 11.
Described water tank 12 is also connected with the import of 1 three layers of spray equipment of desulfurizing tower, the water supplement port in the water supplement port of lime white storage tank 5, lime slaking pond 7 respectively by water pump 13.
Described water tank 12 by water pump 13 also respectively with the rinse mouth of rotating force device 9, the rinse mouth of the rinse mouth of filter press 10, lime white make-up pump 4, the rinse mouth of calcium plaster rear pump 3 is that delivery outlet is connected to form flushing line.
Sulfur removal technology: desulfurizing tower 1 inside is provided with three layers of spray equipment, and the below of three layers of spray equipment is provided with anode furnace gas approach, anode furnace flue gas enters after desulfurizing tower 1, by spraying layer, from top, leaves;
The in the situation that of lime white make-up pump 4 and 15 operation of desulfurization water pump, in lime white storage tank 5, lime slurry constantly sprays in anode furnace flue gas by three layers of spray equipment, when containing sulfur dioxide flue gas process desulfurizing tower 1, sulfur dioxide in flue gas reacts and generates calcium sulfite with the lime slurry of desulfurization water pump 15 sprays, thereby removes the sulfur dioxide in flue gas; Simultaneously, the lower end import of roots blower 2 by desulfurizing tower 1 blasts air to the calcium sulfite slurry in desulfurizing tower 1 makes the calcium sulfite oxidation in desulfurizing tower 1 sodalime slurries become calcium sulfate, lime generates gypsum, gypsum slurries is linked in sequence by calcium plaster rear pump 3 and rotating force device 9 and filter press 10, through filter press 10, be divided into clear liquid and gypsum, clear liquid enters filtered fluid storage tank 11, and gypsum is transported.
Lime in lime silo 8 enters lime slaking pond 7, and the water in filtered fluid storage tank 11 pumps in lime slaking pond 7 by filtrate pump 14, and the lime slurry that slaking is good is connected with lime white storage tank 5 by passing through lime white rear pump 6;
Filtered fluid storage tank 11 has three imports, first import that water tank 12 has been filtrate tank 11 by water pump 13 feedwater, second import of filtrate tank 11 has been in filter press 10 purified liquor outlet drainings, and the 3rd import of filtrate tank 11 has been in the drainpipe draining of gypsum filter;
Described water tank 12 by water pump 13 also respectively to the water supplement port of the import with 1 three layers of spray equipment of desulfurizing tower, lime white storage tank 5, the water supplement port in lime slaking pond 7 feed water.
During flushing, water tank 12 by water pump 13 respectively to the rinse mouth of rotating force device 9, the rinse mouth of the rinse mouth of filter press 10, lime white make-up pump 4, the rinse mouth of calcium plaster rear pump 3 is that delivery outlet feeds water, for rinsing rotating force device 9, filter press 10, lime white make-up pump 4 and calcium plaster rear pump 3.
Claims (7)
1. an anode furnace flue gas desulfur device, it comprises desulfurizing tower (1), roots blower (2), lime white storage tank (5), rotating force device (9), filter press (10), desulfurization water pump (15) and pipeline and pipeline valve, it is characterized in that, described desulfurizing tower (1) inside is provided with three layers of spray equipment, the below of three layers of spray equipment is provided with anode furnace gas approach, the lower end import of desulfurizing tower (1) is connected with roots blower (2), outlet is linked in sequence by calcium plaster rear pump (3) and rotating force device (9) and filter press (10), lime white storage tank (5) is connected with desulfurization water pump (15) by lime white make-up pump (4), desulfurization water pump (15) is connected with the import of three layers of spray equipment.
2. a kind of anode furnace flue gas desulfur device according to claim 1, it is characterized in that, also comprise lime white rear pump (6), lime slaking pond (7) and lime silo (8), lime silo (8) is arranged on top, lime slaking pond (7), and lime slaking pond (7) are connected with lime white storage tank (5) by lime white rear pump (6).
3. a kind of anode furnace flue gas desulfur device according to claim 2, it is characterized in that, also comprise filtered fluid storage tank (11) and water tank (12), the outlet of filtered fluid storage tank (11) is connected with the moisturizing entrance of lime slaking pond (7) by filtrate pump (14), filtered fluid storage tank (11) has three imports, water tank (12) is connected with first import of filtered fluid storage tank (11) by water pump (13), filter press (10) purified liquor outlet is connected with second import of filtered fluid storage tank (11), the drainpipe of gypsum filter is connected with the 3rd import of filtered fluid storage tank (11).
4. a kind of anode furnace flue gas desulfur device according to claim 3, it is characterized in that, described water tank (12) is also connected with the import of (1) three layer of spray equipment of desulfurizing tower, the water supplement port of the water supplement port of lime white storage tank (5), lime slaking pond (7) respectively by water pump (13).
5. a kind of anode furnace flue gas desulfur device according to claim 3, it is characterized in that, described water tank (12) by water pump (13) also respectively with the rinse mouth of rotating force device (9), the rinse mouth of the rinse mouth of filter press (10), lime white make-up pump (4), the rinse mouth of calcium plaster rear pump (3) is that delivery outlet is connected to form flushing line.
6. a sulfur removal technology for anode furnace flue gas desulfur device, is characterized in that, desulfurizing tower (1) inside is provided with three layers of spray equipment, the below of three layers of spray equipment is provided with anode furnace gas approach, anode furnace flue gas enters after desulfurizing tower (1), by spraying layer, from top, leaves;
The in the situation that of lime white make-up pump (4) and desulfurization water pump (15) operation, in lime white storage tank (5), lime slurry constantly sprays in anode furnace flue gas by three layers of spray equipment, when containing sulfur dioxide flue gas process desulfurizing tower (1), sulfur dioxide in flue gas reacts and generates calcium sulfite with the lime slurry of desulfurization water pump (15) spray, thereby removes the sulfur dioxide in flue gas; Simultaneously, the lower end import of roots blower (2) by desulfurizing tower (1) blasts air to the calcium sulfite slurry in desulfurizing tower (1) makes the calcium sulfite oxidation in desulfurizing tower (1) sodalime slurries become calcium sulfate, lime generates gypsum, gypsum slurries is linked in sequence by calcium plaster rear pump (3) and rotating force device (9) and filter press (10), through filter press (10), be divided into clear liquid and gypsum, clear liquid enters filtered fluid storage tank (11), and gypsum is transported.
7. the sulfur removal technology of a kind of anode furnace flue gas desulfur device according to claim 6, it is characterized in that, lime in lime silo (8) enters lime slaking pond (7), water in filtered fluid storage tank (11) pumps in lime slaking pond (7) by filtrate pump (14), and the lime slurry that slaking is good is connected with lime white storage tank (5) by passing through lime white rear pump (6);
Filtered fluid storage tank (11) has three imports, first import that water tank (12) has been filtrate tank (11) by water pump (13) feedwater, second import of filtrate tank (11) has been in filter press (10) purified liquor outlet draining, and the 3rd import of filtrate tank (11) has been in the drainpipe draining of gypsum filter;
Water tank (12) by water pump (13) also respectively to the water supplement port of the import with (1) three layer of spray equipment of desulfurizing tower, lime white storage tank (5), the water supplement port of lime slaking pond (7) feedwater;
During flushing, water tank (12) by water pump (13) respectively to the rinse mouth of rotating force device (9), the rinse mouth of the rinse mouth of filter press (10), lime white make-up pump (4), the rinse mouth of calcium plaster rear pump (3) is delivery outlet feedwater, for rinsing rotating force device (9), filter press (10), lime white make-up pump (4) and calcium plaster rear pump (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310521932.6A CN103537182A (en) | 2013-10-30 | 2013-10-30 | Flue gas desulfurization device for anode furnace and desulfurization process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310521932.6A CN103537182A (en) | 2013-10-30 | 2013-10-30 | Flue gas desulfurization device for anode furnace and desulfurization process |
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| CN103537182A true CN103537182A (en) | 2014-01-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132555A (en) * | 2014-08-13 | 2014-11-05 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | Treatment system for low concentration SO2 flue gas of anode furnace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112454A (en) * | 1994-04-28 | 1995-11-29 | 德拉沃石灰公司 | Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation |
| CN101229473A (en) * | 2007-10-31 | 2008-07-30 | 浙江天蓝脱硫除尘有限公司 | Out tower oxidizing lime/acetylene sludge-gypsum process desulphurization technology and equipment |
| CN101890291A (en) * | 2010-08-10 | 2010-11-24 | 四川省达州钢铁集团有限责任公司 | Sintering fume desulphurization method |
| CN203507813U (en) * | 2013-10-30 | 2014-04-02 | 江西自立资源再生有限公司 | Anode furnace flue gas desulfurization device |
-
2013
- 2013-10-30 CN CN201310521932.6A patent/CN103537182A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112454A (en) * | 1994-04-28 | 1995-11-29 | 德拉沃石灰公司 | Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation |
| CN101229473A (en) * | 2007-10-31 | 2008-07-30 | 浙江天蓝脱硫除尘有限公司 | Out tower oxidizing lime/acetylene sludge-gypsum process desulphurization technology and equipment |
| CN101890291A (en) * | 2010-08-10 | 2010-11-24 | 四川省达州钢铁集团有限责任公司 | Sintering fume desulphurization method |
| CN203507813U (en) * | 2013-10-30 | 2014-04-02 | 江西自立资源再生有限公司 | Anode furnace flue gas desulfurization device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132555A (en) * | 2014-08-13 | 2014-11-05 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | Treatment system for low concentration SO2 flue gas of anode furnace |
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Application publication date: 20140129 |