CN101596402A - A kind of method for arranging of flue gas desulfur device - Google Patents
A kind of method for arranging of flue gas desulfur device Download PDFInfo
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- CN101596402A CN101596402A CNA200910012535XA CN200910012535A CN101596402A CN 101596402 A CN101596402 A CN 101596402A CN A200910012535X A CNA200910012535X A CN A200910012535XA CN 200910012535 A CN200910012535 A CN 200910012535A CN 101596402 A CN101596402 A CN 101596402A
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Abstract
A kind of flue gas desulfur device of the present invention comprises lime stone pulping system and gypsum dehydration system.Technical essential of the present invention is: lime stone pulping system and gypsum dehydration system arrange respectively, and wherein to F2/B2, and the local floor height that increases carries out in picturesque disorder reasonable Arrangement to lime stone pulping system by B1; Gypsum dehydration system adopts the solid layout of three layers of main bodys, four layers of parts on the ground.The scheme that the layout that the present invention is in picturesque disorder with lime stone pulping system and the solid of gypsum dehydration system are arranged, make whole technology smoothness, reasonable, and reached effectively utilize the space, the reasonable land used of suiting measures to local conditions, the purpose of saving construction investment, this arrangement in picturesque disorder, flexible compactness has solved existing unit especially when the desulfurization facility is installed land used anxiety, the oversize problem of pipeline.Can reduce capital expenditure significantly, enhance productivity.
Description
Technical field
The present invention relates to a kind of desulphurization system, specifically relate to a kind of lime stone---gypsum wet flue gas desulfurizing device and apparatus arrangement method.
Technical background
SO
2Be one of major pollutants that cause atmosphere pollution, effectively control SO in the industrial smoke
2It is current instant environmental protection problem.According to the national environmental protection statistics, annual various coals and various resource are smelted generation amount of sulfur dioxide height and are ranked first in the world, and wherein the industrial source discharge capacity accounts for 83% of total release.And thermoelectricity industry SO2 emissions account for 63% of industrial discharge amount.Develop SO rapidly along with the continuous quickening, particularly power industry of China's process of industrialization
2Discharge capacity also day by day increase.It is the task of top priority that thermoelectricity industry new clothes unit and existing unit are installed desulfurizer.
Limestone-gypsum wet desulphurization technology is gas liquid reaction, and reaction speed is fast, and the desulfuration efficiency height generally all is higher than 90%, the technology comparative maturity, and production run is safe and reliable, in numerous desulfur technologies, dominate all the time.The limestone-gypsum wet flue gas desulfurizer needs lime stone slurry to absorb sulfur in smoke as absorbent.Lime stone slurry is mixed by the agstone of certain particle size and water, so the preparation of lime stone slurry is more important operation.Simultaneously, when lime stone slurry and sulfur dioxide in flue gas reaction meeting generation gypsum accessory substance, gypsum is also discharged the absorption tower with the slurries form, for the ease of accumulating and comprehensive utilization, needs carry out processed to gypsum slurries.Equipment such as the ball mill that adopts in this two procedures, vacuum belt dewaterer, belt conveyor all belong to large special equipment, and floor space is big, pipeline is longer, and therefore reasonable, practical technology arrangement scheme is particularly important.
Summary of the invention
The purpose of this invention is to provide a kind of limestone-gypsum wet flue gas desulfurizer and method for arranging thereof, pipeline is oversize in the flue gas desulfur device in the solution traditional arrangement method, floor space big, the power consumption problem of higher, and having solved existing unit especially increases realization desulfurized effect when the desulfurization facility is installed, solves the land used of suiting measures to local conditions, the problem that reduces construction investment.
The technical scheme that adopts is:
A kind of flue gas desulfur device comprises lime stone pulping system and gypsum dehydration system.
The lime stone pulping system capital equipment comprises: equipment such as lime stone dump skip, jigging conveyer, bucket elevator, buried scraper conveyer, lime stone warehouse, the belt feeder of weighing, ball mill, lime stone slurry cyclone separator, lime stone slurry circulating box, lime stone slurry case and supporting with it product pump.
The gypsum dehydration system capital equipment comprises: equipment such as gypsum cyclone, vacuum belt dewaterer, water tank for flushing gypsum, filter cloth washing water tank, filtrate box, waste water feed box, waste-water vortex device, waste water tank, drying zone catch pit and the product pump supporting with it.
The catch pit of two systems is provided with according to concrete land use situation can adopt underground or semi-underground type, the product pump submerged pump.
Technical essential of the present invention is:
Lime stone pulping system and gypsum dehydration system arrange respectively, and wherein to F2/B2, and the local floor height that increases carries out in picturesque disorder reasonable Arrangement to lime stone pulping system by B1; Gypsum dehydration system adopts the solid layout of three layers of main bodys, four layers of parts on the ground.
The scheme that the layout that the present invention is in picturesque disorder with lime stone pulping system and the solid of gypsum dehydration system are arranged, make whole technology smoothness, reasonable, and reached effectively utilize the space, the reasonable land used of suiting measures to local conditions, the purpose of saving construction investment, this arrangement in picturesque disorder, flexible compactness has solved existing unit especially when the desulfurization facility is installed land used anxiety, the oversize problem of pipeline.Can reduce capital expenditure significantly, enhance productivity.
Description of drawings
Fig. 1 is that the lime stone pulping system facade is arranged schematic diagram.
Fig. 2 is that the gypsum dehydration system facade is arranged schematic diagram.
The specific embodiment
A kind of method for arranging of flue gas desulfur device, flue gas desulfur device comprise lime stone pulping system and gypsum dehydration system.Lime stone pulping system and gypsum dehydration system are arranged respectively.
Lime stone pulping system comprises lime stone dump skip 1, jigging conveyer 2, apparatus for separating metals 3, lime stone bucket elevator 4, lime stone buried scraper conveyer 5, lime stone roof scrubber 6, lime stone warehouse 7, electro-vibrating feeder 8, the belt feeder 9 of weighing, ball mill 10, lime stone slurry circulating box 11, limestone slurry liquid swirler 12, lime stone slurry distributor box 13, lime stone slurry case 14.
As shown in Figure 1, lime stone dump skip 1 is arranged in B1 first Room 16.The charging aperture of lime stone dump skip 1 is positioned at ± place, 0.00m plane, its top is between the lime stone discharging, be positioned at ground floor second Room 17, jigging conveyer 2 and apparatus for separating metals 3 are arranged on the bottom of B1 first Room 16, and the discharging opening of lime stone dump skip 1 is connected with the charging aperture of the jigging conveyer 2 that is positioned at the 5.10m plane.The both sides of jigging conveyer 2 are provided with apparatus for separating metals 3.
The feeding mouth 19 of bucket elevator 4 joins with the discharging opening of jigging conveyer 2, be provided with platform 20 in the urceolus 31m of bucket elevator 4 eminence, be equiped with lime stone buried scraper conveyer 5 on platform 20, the discharging opening of bucket elevator 4 is connected with the charging aperture of lime stone buried scraper conveyer 5.
The discharging opening below of lime stone buried scraper conveyer 5 is provided with lime stone warehouse 7, on the top of lime stone warehouse 7 lime stone roof scrubber 6 is installed.Lime stone warehouse 7 belows are provided with electro-vibrating feeder 8, and the discharging opening of lime stone warehouse 7 is connected with the charging aperture of electro-vibrating feeder 8 in two floor the 3rd Room 22 on the ground is set.The discharging opening of electro-vibrating feeder 8 is connected with the charging aperture of the belt feeder 9 of weighing that is positioned at F2/B2 the 3rd Room 22, weigh belt feeder 9 by the road 21 be arranged on a room fourth ventricle 23 on the ground in the feeding mouth of ball mill 10 is connected, the slurries outlet of ball mill 10 enters the mouth with the slurries of lime stone slurry circulating box 11 and is connected.The outlet of the slurries of lime stone slurry circulating box 11 by the road be arranged on the slurries inlet that lime stone warehouse 7 right sides rest on the ground the limestone slurry liquid swirler 12 in two floor the 5th Room 24 and be connected, the grout outlet of limestone slurry liquid swirler 12 is connected with the slurries inlet of the lime stone slurry distributor box 13 that is arranged on these slurries cyclone 12 belows, through slurries cyclone 12 with after slurry distribution box 13 separates, large granular materials returns wet ball mill circulation again and grinds, and the qualified lime stone slurry overflow of particle diameter≤0.004mm (90% by 325 orders) is to make absorption SO in the lime stone slurry case 14 of 0.200m to absolute altitude
2With.Lime stone slurry case 14 is arranged in the ground floor fourth ventricle 23.
Gypsum dehydration system, comprise gypsum cyclone 26, vacuum belt dewaterer 27, belt conveyor 28, water tank for flushing gypsum 29, filter cloth washing water tank 30, filtrate box 31, waste-water vortex device 32, waste water feed box 33, waste water tank 34, gypsum store between 35, drying zone catch pit 36, vapour liquid separator 37 and vavuum pump 38.
As shown in Figure 2, waste water feed box 33, gypsum cyclone 26 (absolute altitude 24.500m) and waste-water vortex device 32 are installed in respectively in four floor the 7th Room 15, ground; Vacuum belt dewaterer 27 (absolute altitude 15.600m) and gas-liquid separator 37 are separately positioned in three floor the 8th Room 18, ground.Gypsum cyclone 26 discharging openings are connected with the charging aperture of vacuum belt dewaterer 27 by the road.Gypsum cyclone 26 isolated slurries parts are returned the suction tower and are utilized, a part is connected with waste water feed box 33 by the road, join with waste-water vortex device 32 inlets by the road again, slurries after 32 secondary separations of waste-water vortex device are connected to filter cloth washing water tank 30 by the road and filtrate box 31 utilizes again, and waste water is connected to by the road and enters power plant effluent behind the waste water tank 34 and focus on.Belt conveyor 28, vavuum pump 38, waste water tank 34 and water tank for flushing gypsum 29 are arranged in two floor the 9th Room 25, the slurries outlet of vacuum belt dewaterer 27 is connected with the slurries inlet of gas-liquid separator 37, the air entry of vavuum pump 38 is connected with gas-liquid separator 37 by the road, isolated liquid returns the absorption tower and utilizes, filtrate box 31 is installed in ground floor the tenth Room 39, filter cloth washing water tank 30 is installed in ground floor the tenth Room 39, is positioned at the upper end of filtrate box 31.35 were positioned at ground floor Room 40 the 11 between gypsum was stored.Drying zone catch pit 36 is arranged in the B1 Room 41 the 12.
The operation principle of flue gas desulfur device:
Particle diameter unloads to the lime stone dump skip 1 of hopper mouth on ± 0.000m plane through dump truck less than the lime stone of 20mm, jigging conveyer through being in B1 2 again, apparatus for separating metals 3, the inlet absolute altitude is that the bucket elevator 4 of 6.600m is promoted to absolute altitude and is sent to lime stone warehouse 7 at the lime stone buried scraper conveyer 5 of 31.00m, lime stone roof scrubber 6 is established at lime stone warehouse top, go out the electro-vibrating feeder 8 of lime stone through being in F2/B2 of lime stone warehouse, the belt feeder 9 of weighing is sent to absolute altitude and makes lime stone slurry at the ball mill 10 of 2.900m, these slurries are through being in the lime stone cyclone 12 of F2/B2, after lime stone slurry distributor box 13 separates, the material recirculation of big material grinds, and particle diameter reaches≤and qualified lime stone slurry overflow to the absolute altitude of 0.044mm (90% by 325 orders) is a usefulness of doing absorption sulfur dioxide in the lime stone slurry case 14 of 0.200m.
The absolute altitude of gypsum slurries through being in four layers of grounds of discharging liquid from the absorption tower is after the gypsum cyclone 26 of 24.500m concentrates, through being in three layers vacuum belt dewaterer 27 dehydrations, washing on the ground, surface moisture content falls into the belt conveyor 28 that is in F2/B2 less than 10% gypsum filter cake and is sent to gypsum and 35 stores as ready between storing, can be for comprehensive utilization.38 pairs of vacuum belt dewaterers 27 of vavuum pump vacuumize, and make the moisture of gypsum slurries be evacuated to utilization again in filter cloth washing water tank 30 and the filtrate box 31 behind gas-liquid separator 37.
The content of composition such as Cl-in the control desulfurated plaster, guarantee the gypsum quality, need water tank for flushing gypsum 29 be set at 8.600m absolute altitude place in gypsum dehydration system, at 4.200m absolute altitude place filter cloth washing water tank 30 be set, the flushing water of generation forms the circulation cleaning processes through corresponding product pump and vacuum belt dewaterer 27.
Gypsum cyclone 26 isolated gypsum slurries parts are returned the absorption tower cycling and reutilization, a part is through being in four layers on the ground, absolute altitude is waste-water vortex device 32 secondary separations of 24.500m, the slurries that produce return the absorption tower and utilize, and pump is to the power plant effluent centralized processing system behind the waste water feed box 33 of the waste water of generation through being in same floor height, the waste water tank 34 that absolute altitude is 8.100m.
The filtrate that vacuum belt dewaterer 27 produces through be in the ground floor absolute altitude be the filtrate box 31 of 0.200m temporary after pump to the wet ball mill of lime stone pulping system carry out lime stone slurrying and utilize again or return the absorption tower and utilize again.The waste water that above-mentioned production process produces all can enter in the catch pit, or the visual concrete condition that is provided with of catch pit be arranged to underground semi-underground form, product pump is selected submerged pump for use.
This example is applicable to technological process and the arrangement thereof when thermoelectricity industry new clothes unit and existing unit are installed desulfurizer.Reach solve the land used anxiety, rationally utilize the space, reduce investment outlay, strengthen the purpose of environmental protection.
Claims (1)
1, a kind of method for arranging of flue gas desulfur device, flue gas desulfur device comprises lime stone pulping system and gypsum dehydration system;
Lime stone pulping system comprises lime stone dump skip (1), jigging conveyer (2), apparatus for separating metals (3), lime stone bucket elevator (4), lime stone buried scraper conveyer (5), lime stone roof scrubber (6), lime stone warehouse (7), electro-vibrating feeder (8), the belt feeder of weighing (9), ball mill (10), lime stone slurry circulating box (11), limestone slurry liquid swirler (12), lime stone slurry distributor box (13) and lime stone slurry case (14);
Gypsum dehydration system comprises (35), drying zone catch pit (36), vapour liquid separator (37) and vavuum pump (38) between gypsum cyclone (26), vacuum belt dewaterer (27), belt conveyor (28), water tank for flushing gypsum (29), filter cloth washing water tank (30), filtrate box (31), waste-water vortex device (32), waste water feed box (33), waste water tank (34), gypsum storage;
It is characterized in that: lime stone pulping system and gypsum dehydration system are arranged respectively;
Lime stone dump skip (1) in the lime stone pulping system is arranged in B1 first Room (16); The charging aperture of lime stone dump skip (1) is positioned at ± place, 0.00m plane, its top is between the lime stone discharging, be positioned at ground floor second Room (17), jigging conveyer (2) and apparatus for separating metals (3) are arranged on the bottom of B1 first Room (16), the discharging opening of lime stone dump skip (1) be positioned at-charging aperture of the jigging conveyer (2) on 5.10m plane is connected; The both sides of jigging conveyer (2) are provided with apparatus for separating metals (3);
The discharging opening of the feeding mouth jigging conveyer (2) of bucket elevator (4) joins, be provided with platform (20) in the urceolus 31m of bucket elevator (4) eminence, be equiped with buried scraper conveyer (5) on platform (20), the discharging opening of bucket elevator (4) is connected with the charging aperture of lime stone buried scraper conveyer (5);
The discharging opening below of lime stone buried scraper conveyer (5) is provided with lime stone warehouse (7), on the top of lime stone warehouse (7) lime stone roof scrubber (6) is installed; Lime stone warehouse (7) below is provided with electro-vibrating feeder (8), and the charging aperture of the electro-vibrating feeder (8) that the discharging opening of lime stone warehouse (7) is interior with two floor the 3rd Room (22) on the ground are set is connected; The discharging opening of electro-vibrating feeder (8) is connected with the charging aperture of the belt feeder of weighing (9) that is positioned at F2/B2 the 3rd Room (22), weigh belt feeder (9) by the road (21) is connected with the feeding mouth of ball mill (10) in being arranged on a room fourth ventricle (23) on the ground, the slurries outlet of ball mill (10) enters the mouth with the slurries of lime stone slurry circulating box (11) and is connected; The outlet of the slurries of lime stone slurry circulating box (11) by the road be arranged on the slurries inlet that lime stone warehouse (7) right side rest on the ground the limestone slurry liquid swirler (12) in two floor the 5th Room (24) and be connected, the grout outlet of limestone slurry liquid swirler (12) is connected with the slurries inlet of the lime stone slurry distributor box (13) that is arranged on this slurries cyclone (12) below, through slurries cyclone (12) with after slurry distribution box (13) separates, large granular materials returns the wet ball mill circulation again and grinds, particle diameter≤0.004mm, 90% be (0) by the qualified limestone slurry overflow of 325 orders to absolute altitude. make absorption SO in the lime stone slurry case (14) of (200) m
2With; Lime stone slurry case (14) is arranged in the ground floor fourth ventricle (23);
Waste water feed box (33) in the gypsum dehydration system, gypsum cyclone (26) and waste-water vortex device (32) are installed in respectively in four floor the 7th Room, ground (15); Vacuum belt dewaterer (27) and gas-liquid separator (37) are separately positioned in three floor the 8th Room, ground (18); Gypsum cyclone (26) discharging opening is connected with the charging aperture of vacuum belt dewaterer (27) by the road; The isolated slurries part of gypsum cyclone (26) is returned the absorption tower and is utilized, a part is connected with waste water feed box (33) by the road, join with waste-water vortex device (32) inlet by the road again, slurries after waste-water vortex device (32) secondary separation are connected to filter cloth washing water tank (30) by the road and filtrate box (31) utilizes again, and waste water is connected to by the road and enters power plant effluent behind the waste water tank (34) and focus on; Belt conveyor (28), vavuum pump (38), waste water tank (34) and water tank for flushing gypsum (29) are arranged in two floor the 9th Room (25), the slurries outlet of vacuum belt dewaterer (27) is connected with the slurries inlet of gas-liquid separator (37), the air entry of vavuum pump (38) is connected with gas-liquid separator (37) by the road, isolated liquid returns the absorption tower and utilizes, filtrate box (31) is installed in ground floor the tenth Room (39), filter cloth washing water tank (30) is installed in ground floor the tenth Room (39), is positioned at the upper end of filtrate box (31); (35) were positioned at ground floor Room the 11 (40) between gypsum was stored; Drying zone catch pit (36) is arranged in the B1 Room the 12 (41).
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| CNA200910012535XA CN101596402A (en) | 2009-07-15 | 2009-07-15 | A kind of method for arranging of flue gas desulfur device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416295A (en) * | 2011-10-19 | 2012-04-18 | 中国神华能源股份有限公司 | Flue gas desulfurization system |
| CN103272466A (en) * | 2013-05-02 | 2013-09-04 | 杭州蓝轩环保科技有限公司 | Flue gas desulphurization device and desulphurization method |
| CN103341316A (en) * | 2013-07-22 | 2013-10-09 | 上海汉卓能源科技有限公司 | Conveying device of dry type desulfurizing agent |
| CN104444457A (en) * | 2014-11-14 | 2015-03-25 | 济南华阳炭素有限公司 | Bulk material unloading system |
| CN106110866A (en) * | 2016-08-08 | 2016-11-16 | 四川德胜集团钒钛有限公司 | A kind of flue gas desulphurization system |
| CN107051689A (en) * | 2017-01-16 | 2017-08-18 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of lime stone dry grinding prepares arrangement |
| CN108434951A (en) * | 2018-03-26 | 2018-08-24 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of desulfurization slurrying dehydration building combination layout structure |
| CN109850611A (en) * | 2018-11-07 | 2019-06-07 | 襄阳泽东化工集团有限公司 | A kind of granule materials storage device |
-
2009
- 2009-07-15 CN CNA200910012535XA patent/CN101596402A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416295A (en) * | 2011-10-19 | 2012-04-18 | 中国神华能源股份有限公司 | Flue gas desulfurization system |
| CN103272466A (en) * | 2013-05-02 | 2013-09-04 | 杭州蓝轩环保科技有限公司 | Flue gas desulphurization device and desulphurization method |
| CN103272466B (en) * | 2013-05-02 | 2015-09-16 | 杭州蓝轩环保科技有限公司 | A kind of flue gas desulfur device and sulfur method |
| CN103341316A (en) * | 2013-07-22 | 2013-10-09 | 上海汉卓能源科技有限公司 | Conveying device of dry type desulfurizing agent |
| CN103341316B (en) * | 2013-07-22 | 2015-02-04 | 上海汉卓能源科技有限公司 | Conveying device of dry type desulfurizing agent |
| CN104444457A (en) * | 2014-11-14 | 2015-03-25 | 济南华阳炭素有限公司 | Bulk material unloading system |
| CN106110866A (en) * | 2016-08-08 | 2016-11-16 | 四川德胜集团钒钛有限公司 | A kind of flue gas desulphurization system |
| CN107051689A (en) * | 2017-01-16 | 2017-08-18 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of lime stone dry grinding prepares arrangement |
| CN108434951A (en) * | 2018-03-26 | 2018-08-24 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of desulfurization slurrying dehydration building combination layout structure |
| CN109850611A (en) * | 2018-11-07 | 2019-06-07 | 襄阳泽东化工集团有限公司 | A kind of granule materials storage device |
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Open date: 20091209 |