CN201586461U - Dual-alkali group tower type multifunctional flue gas purifying unit - Google Patents
Dual-alkali group tower type multifunctional flue gas purifying unit Download PDFInfo
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- CN201586461U CN201586461U CN2009203167824U CN200920316782U CN201586461U CN 201586461 U CN201586461 U CN 201586461U CN 2009203167824 U CN2009203167824 U CN 2009203167824U CN 200920316782 U CN200920316782 U CN 200920316782U CN 201586461 U CN201586461 U CN 201586461U
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Abstract
The utility model relates to special equipment which is assorted with a coal-fired boiler, is used for performing flue gas dedusting, desulfuration and denitration and has multiple purifying functions, in particular to a double-alkali group tower type multifunctional flue gas purifying unit, which comprises a multi-stage water bed. The front end of the water bed is provided with a smoke inlet duct communicated with the water bed, the rear end of the water bed is provided with a drainage bin communicated with each stage of the water bed and a total discharge smoke flue, and a guide plate guiding smoke flow to obliquely downwards impact water surface is obliquely arranged inside the water bed. The rear end of the water bed is connected with the drainage bin through two or more short circular towers for shunting and purifying smoke, and a disk-shaped water curtain spraying head is arranged inside each circular tower. A front-end semi-dry type inertial dust separator is additionally arranged in front of the multi-state desulfuration water bed and consists of an upper smoke inlet duct, a box body, a smoke outlet passage arranged on a lateral wall of the box body and a built-in multi-layer down-stream dredging type multi-hole inclined plate placed vertically, and the smoke outlet passage on the lateral wall of the box body is communicated with the water bed. In addition, the double-alkali group tower type multifunctional flue gas purifying unit has the advantages of high dedusting efficiency and better desulfuration efficiency.
Description
Technical field
The utility model relates to a kind of supporting flue-gas dust-removing and desulfurization, denitration of coal-burning boiler that be, has the special equipment of multiple purification function, promptly two tower multi-functional gas cleaning units of alkaline process group.
Background technology
In existing dust-removal and desulfurizing technology, the applicant has successively applied for multinomial patent, is called " adjustable multistage water bed desulfurizing dust-collector ", the patent No. 02273486.4 as name, it comprises water bed, tiltedly is provided with in water bed together or several wave lifting plate, the oblique baffle plate of the impulse water surface down of guiding flue gas stream.It is 03213851.2 that name is called " water bed desulfurizing dust-collector at the bottom of many combined large boiler diclinics " patent No., it comprises three or three above separation of flow dedustings, the water bed monomer of combining side by side, water bed one end have always advance the cigarette air channel and communicate with each water bed etc. flow branching enter the mouth road, the water bed other end has drainage bin (independently single tower) and the discharging main chimney flue that communicates with each water bed monomer, water bed, the interior sharp plate of pouncing on that tiltedly is provided with the oblique impulse water surface down of guiding flue gas stream.Above-mentioned desulfurizing tower technology commonly used exists one-time investment big, must spray with big water pump, otherwise inoperative, operating cost is higher, the realistic problem that common heating industry is difficult to bear.In the existing fume desulfurizing tower improvement technology, difficulty accomplishes to stablize lasting operation up to standard and operating cost height, and desulfurization degree does not reach the requirement that country reduces discharging sulfur dioxide.Also have the national policy regulation: fire coal boiler fume purifies and must will do, wet bi-level treatment is clearly separated, so existing equipment does not satisfy the needs of energy-saving and emission-reduction.
The utility model content
The utility model purpose provides a kind of efficiency of dust collection, the better two tower multi-functional gas cleaning units of alkaline process group of desulfuration efficiency.
The utility model technical solution is: the tower multi-functional gas cleaning unit of two alkaline process groups comprises multistage water bed, the water bed front end have communicate with water bed enter the cigarette air channel, there are the drainage bin that communicates with each water bed and discharging main chimney flue in the water bed rear end, and what tiltedly be provided with the oblique impulse water surface down of guiding flue gas stream in the water bed pounces on the collection plate.The short circular tower that purifies by two or more flue gas shuntings between water bed rear end and the drainage bin is connected, and is provided with dish shape water curtain sprinkling head in each circular tower.
Description of drawings
Fig. 1 is an indoor application type side elevation structure diagram of the present utility model.
Fig. 1-the 1st, Fig. 1 plan structure sketch.
Fig. 2 is an outdoor utility type side elevation structure diagram of the present utility model.
Fig. 3 is an outdoor utility type forward sight structure diagram of the present utility model.
Fig. 4 is the cross-sectional configuration sketch of desulfurization group tower.
Fig. 4-the 1st, the spray head node diagram of desulfurization group tower.
Fig. 5 is desulfurizing tower top fume-dehydrating, micronic dust droplet deep purifying chamber structure sketch.
Fig. 5-the 1st, Fig. 5 left side TV structure sketch.
The specific embodiment
Referring to Fig. 1, the tower multi-functional gas cleaning unit of two alkaline process groups comprises multistage water bed 1, water bed 1 front end have communicate with water bed 1 enter cigarette air channel 3, there is drainage bin 18 and the discharging main chimney flue 9 that communicates with each water bed 1 water bed 1 rear end, tiltedly is provided with pouncing on of the oblique impulse water surface down of guiding flue gas stream in the water bed 1 and collects plate 4.The short circular tower 6 that purifies by two or more flue gas shuntings between water bed 1 rear end and the drainage bin 18 is connected, and is provided with dish shape water curtain sprinkling head 11 in each circular tower 6.Before multistage desulfurization water bed 1, increased preposition half dry type inertial dust separator 2, half dry type inertial dust separator 2 is dredged formula porous swash plate 21 and is formed by the vertical following current of placing of tilting of the smoke-outlet flue 20 on enterprising cigarette air channel 3, casing 19, the wall box and built-in multilayer, and smoke-outlet flue 20 and water bed 1 on the wall box connect.
Referring to Fig. 1,1-1, be integrally-built from front to back side elevational view of the utility model and plane, this is special type in indoor application.Its process that purifies flue gas is: flue gas is come out by boiler, enter preposition half dry type inertial dust separator 2 by two cigarettes air channel 3, pass through smoke-outlet flue 20 downwards through the flue gas after the water pouring inertial dust collection, tilt to rush at adjustable multistage desulfurization water bed 1, after flue gas impacts, washes by rubbing with the hands through the water surface repetitiousness with multistage water bed 1, water seal band 5 bendings that flow to water bed 1 afterbody upwards enter respectively by 2-4 platform circular tower 6 group's tower arranged side by side.After accepting water dish spray head 11 that each tower sets up in each comfortable 2-4 platform circular tower 6 of each shallow bid flue gas respectively and carrying out desulfurization and denitration, upwards enter flue gas micronic dust droplet deep purifying storehouse 7 again.Through before and after in the cleaning position 7 two groups crisscross, up and down fold the deep purifying of the angle page or leaf dewatering plate 8 that falls after, converge flue 9 by the top flue gas again and compile downwards, enter the air-introduced machine qualified discharge.Multistage water bed 1 upper edge cross-sectional direction has been set up the banded water curtain sprinkling device 12 of Micropump more than at least one.Smoke-outlet flue 20 is provided with the banded water curtain sprinkling device 16 of micro-humidification.Banded water curtain sprinkling device 12 in three roads that dispose on the body and the dust water curtain sprinkling device 16 of heating is circulation alkali liquors that the miniature diving slurry pump 13,15 by configuration nearby provides.Wherein the indoor application type also is provided with mechanical cycles specially and joins the alkali pond.Fine solid particle under multistage desulfurization water bed body is pounced on and desulfurizing byproduct enter among the ground slag runner by the plug valve of a plurality of awl buckets of water bed 1 underpart.Preposition half dry type inertial dust collection 2 dry ash that falls of pouncing on is then put ash door 17 automatically and is entered slag runner by closing wind under it, and regularly water pours among the slag bath.Preposition half dry type inertial dust collection chamber 2 is body structures of being made by steel plate and refractory cement lining, establish 27 pairs of flue gases of soda lye circulated sprinkling head at the smoke inlet end of casing 19 and carry out micro-humidification, preliminary treatment to increase the severe of flue gas, is beneficial to dust inertia and strengthens, separates.Again at a certain angle by smoke-outlet flue 20 (water bed advances mouth), tilt to rush at the water bed 1 body water surface through pretreated flue gas.
Referring to Fig. 1-1, the plane in the indoor application type, wherein half dry type inertial dust separator 2 generally is that twice are provided with two according to the boiler smoke outlet flue.Water bed 1 body of the present utility model then is by many same sizes, all the desulfurization water bed and the separate unit organization of setting side by side of desulfurization group tower made from steel plate and concrete.Every separate unit body purifies exhaust gas volumn with 5.5 ten thousand m
3/ h ~ 6.5 ten thousand m
3/ h is a computing unit, and the boiler tonnage is got over the also corresponding increasing of thickness tolerance, and required separate unit body quantity arranged side by side also correspondingly increases.Reach as high as 8 row side by side.
Referring to Fig. 2,3, be the type that the utility model is used in outdoor mounted.Its gas cleaning process is a (see figure 3): boiler smoke is come out to enter cigarette air channel 3 by two by boiler, enter preposition half dry type inertial dust separator 2, enter each water bed 1 body arranged side by side successively through becoming section smoke-outlet flue 20, flue gas through with the water surface of multistage water bed 1 repeatedly impulse, wash by rubbing with the hands after, flow to 5 bendings of water bed 1 afterbody water seal band upwards, enter 2-4 platform circular tower 6 tower group arranged side by side respectively, purification process thereafter is with above-mentioned indoor application type unanimity.Different is fine solid particle and the desulphurization reaction accessory substance of pouncing in the water bed 1, downstream the end, slope, bed 1 front and back flow to respectively before and after the water seal of both sides grab forebay 22, the after-bay 23 that slag is used.Through post precipitation, grab out with deep water grab claw 25 and to transport.Also disposed on the body in addition to the dish shape shower nozzle 11 in group's tower and provide the submerged sewage pump 10 of recirculated water liquid and across the elongated banded water curtain sprinkling device 12 of arranged side by side water bed 1.In order to guarantee the relative cleaning of desulfurization water body front and back desulfurization water, set up the chute 26 of the steel plate making of front and back string water at a sidewall of water bed 1 body simultaneously.
Referring to Fig. 4,4-1, be the simple structure section of desulfurization group tower, flue gas is upwards entered the desulfurization circular tower 6 of 2-4 platform circular cross section respectively by water bed 1 afterbody bending.According to the size of supporting boiler tonnage, decision is supporting 2,3 or 4, wherein shower water liquid is that the circulation desulfurization micro pump that is provided with in the alkali lye pond that is disposed by body itself is provided.
Referring to Fig. 5, be fume-dehydrating micronic dust droplet deep purifying storehouse 7, directly be located on the following 2-4 root desulfurization circular tower 6.Establish by bilateral in the storehouse and push up mutually, form totally four layers of herringbone structure angle page or leaf dehydration flaps, each one group of both sides.Can also determine whether setting up again the number of plies of angle page or leaf board placing when the time comes according to the height of the size and the vapour concentration of exhaust gas volumn.Converge shape flue 9 through the flue gas behind the deep purifying that fully dewaters by dehydration cleaning position top and lead to the air-introduced machine qualified discharge.
The utility model has the advantages that: 1, preposition half dry type inertial dust collection adopts trace feedwater spraying method, increase the come out severe of dust in the red-hot flue gas of boiler, by inertia the dust coarse granule is separated, help so the obvious reduction of solid particles substrate concentration in the rear portion alkalescence desulfurization water body, both can reduce the abrasion to circulating pump, meet again country about the regulation of doing, wet two-stage is separated.
2, the sedimentation basin that simple desulfurizing tower class technology only is used for the precipitation function, the more jumbo multistage water bed body that falls, expands side by side of pouncing on is made in design, can take full advantage of like this space of water surface upper channel and the kinetic energy of cigarette general mood stream, allow flue gas surfing of repetitiousness in the process on the alkaline water body water surface in the desulfurization water bed of flowing through, wash by rubbing with the hands, effectively remove flue gas in SO2Or NO, can spray by big water pump like this, just can realize dedusting, desulphurization and denitration, also will inevitably reduce significantly with stove unit and use big water pump to supply the grid electricity fee cost of desulfurizing tower spray desulfurization.
3, be different from the such stove of simple desulfurizing tower technology and only join a concentrated pattern that purifies of desulfurizing tower that diameter is very big, but big strand of smoke gas flow limb of big stove is divided into some shallow bid smoke gas flows, lead to separately after some water beds arranged side by side process respectively, desulfurization trourelle (namely be called group tower) the deeper treatment and purification of a plurality of short diameter about 1.0m that is disposed by each water bed afterbody again is inevitable thoughtful thorough, comprehensively clean. So, a plurality of this desulfurization group towers get final product the very little slush pump of independent allocating power, and the effect of cigarette water is careful, comprehensive. If wherein there is one to be out of order, very unobvious to whole generator set desulfurization impact, this has just guaranteed continuously operation stability up to standard of heating boiler. In the water bed water body, throw in enough desulfurization or the medicament of denitration again, realize more high efficiency decontamination index.
4, after the desulfurization of several groups of flue gas process tower, directly upwards be pooled to micronic dust droplet deep purifying storehouse, the dilatation reduction of speed has obviously reduced running resistance and can make flue gas slough steam significantly, reduces the smoke moisture of wet type desulfurizing equipment, the protection draught fan impeller.
Claims (4)
1. two tower multi-functional gas cleaning unit of alkaline process group, comprise multistage water bed (1), water bed (1) front end have communicate with water bed (1) enter cigarette air channel (3), there is drainage bin (18) and the discharging main chimney flue (9) that communicates with each water bed (1) water bed (1) rear end, tiltedly be provided with pouncing on of the oblique impulse water surface down of guiding flue gas stream in the water bed (1) and collect plate (4), it is characterized in that the short circular tower (6) that purifies by two or more flue gas shuntings between water bed (1) rear end and the drainage bin (3) is connected, and is provided with dish shape water curtain sprinkling head (11) in each circular tower (6).
2. according to the tower multi-functional gas cleaning unit of described couple of alkaline process group of claim 1, it is characterized in that before multistage desulfurization water bed, having increased preposition half dry type inertial dust separator (2), half dry type inertial dust separator (2) is dredged formula porous swash plate (21) and is formed by the vertical following current of placing of tilting of the built-in multilayer of the smoke-outlet flue (20) on enterprising cigarette air channel (3), casing (19), the wall box and casing (19), and smoke-outlet flue on the wall box (20) and water bed (1) connect.
3. according to the tower multi-functional gas cleaning unit of described couple of alkaline process group of claim 2, it is characterized in that smoke-outlet flue (20) is provided with the banded water curtain sprinkling device (16) of micro-humidification.
4. according to claim 1,2 or 3 described pairs of tower multi-functional gas cleaning units of alkaline process group, it is characterized in that multistage water bed (1) upper edge cross-sectional direction set up the banded water curtain sprinkling device (12) of Micropump more than at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203167824U CN201586461U (en) | 2009-12-09 | 2009-12-09 | Dual-alkali group tower type multifunctional flue gas purifying unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203167824U CN201586461U (en) | 2009-12-09 | 2009-12-09 | Dual-alkali group tower type multifunctional flue gas purifying unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201586461U true CN201586461U (en) | 2010-09-22 |
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ID=42746228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203167824U Expired - Lifetime CN201586461U (en) | 2009-12-09 | 2009-12-09 | Dual-alkali group tower type multifunctional flue gas purifying unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201586461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457434A (en) * | 2016-01-05 | 2016-04-06 | 关云彪 | Front-mounted dedusting three-layer large water body mesh filter bag activated carbon dust, nitrate, sulfur and mercury purifying tower system |
-
2009
- 2009-12-09 CN CN2009203167824U patent/CN201586461U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457434A (en) * | 2016-01-05 | 2016-04-06 | 关云彪 | Front-mounted dedusting three-layer large water body mesh filter bag activated carbon dust, nitrate, sulfur and mercury purifying tower system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Guan Yunbiao Document name: Notification that Application Deemed not to be Proposed |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 134001 Tonghua city of Jilin province show road 154 pass Gwanda Environment Protection Equipment Co Ltd Guan Yunbiao Co-patentee after: Guihui Environmental Protection New Energy Co., Ltd. Patentee after: Shenyang Guohui Heating Supply Co., Ltd. Co-patentee after: Tonghua Tongguanda Environmental Protection Technology Equipment Co.,Ltd. Address before: 134001 Tonghua city of Jilin province show road 154 pass Gwanda Environment Protection Equipment Co Ltd Guan Yunbiao Co-patentee before: Shenyang Guohui Heat supply Co., Ltd. Patentee before: Shenyang Guohui Heating Supply Co., Ltd. Co-patentee before: Tonghua Tongguanda Environmental Protection Technology Equipment Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100922 |
|
| CX01 | Expiry of patent term |