CN105498498A - Desulfuration and dust-removal absorption tower with cyclone tray - Google Patents
Desulfuration and dust-removal absorption tower with cyclone tray Download PDFInfo
- Publication number
- CN105498498A CN105498498A CN201610007622.6A CN201610007622A CN105498498A CN 105498498 A CN105498498 A CN 105498498A CN 201610007622 A CN201610007622 A CN 201610007622A CN 105498498 A CN105498498 A CN 105498498A
- Authority
- CN
- China
- Prior art keywords
- absorption tower
- cyclone
- pallet
- swirl
- aiutage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/10—Means for removing the washing fluid dispersed in the gas or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/12—Methods and means for introducing reactants
- B01D2259/124—Liquid reactants
Abstract
The invention provides a desulfuration and dust-removal absorption tower with a cyclone tray, and belongs to the technical field of desulfuration. According to the desulfuration and dust-removal absorption tower with the cyclone tray, a cyclone device is arranged in the absorption tower in the gas flow direction and comprises the tray and a cyclone, a cylindrical through hole is formed in the center of the tray, and the cyclone is arranged in the through hole. The desulfuration and dust-removal absorption tower is characterized in that the cyclone device further comprises a gas exhausting cylinder, and the gas exhausting cylinder is coaxially connected with a gas cyclone. According to the desulfuration and dust-removal absorption tower with the cyclone tray, the gas-liquid contact area is large, and gas-liquid mass transferring strength is high.
Description
Technical field
The present invention relates to a kind of cyclone pallet desulfurization and dedusting absorption tower, belong to technical field of desulfurization.
Background technology
Administer flue gas desulfurization field in atmosphere pollution, wet desulfurizing process possesses skills the features such as mature and reliable, desulfuration efficiency is high, coal is adaptable, is most widely used a kind of flue gas desulfurization technique.But the spray column efficiency of dust collection that wet desulfuration tower is conventional is not high, being difficult to adapt to the ultra-clean emission request of flue dust is distinct issues the most in recent years.Desulfurizing tower efficiency of dust collection is not high, realize the requirement of ultra-clean discharge, and just need separately to establish in desulfurizing tower downstream the cleaner again such as wet electrical dust precipitator, cause system process complicated, operating cost is high, and equipment volume is huge.
For overcoming above-mentioned technical problem, a kind of spiral board dedusting demister is provided in prior art, as Figure 1-Figure 2, spiral board dedusting demister, comprise multiple dedusting demisting unit, each dedusting demisting unit at least comprises, overcurrent cylindrical shell 1, one-level eddy flow 2, one-level flue gas flow guiding device 3, one deck gear liquid bath 7 and a upper and lower two-layer sewage draining exit.Overcurrent cylindrical shell is arranged gear liquid bath 7, formed the liquid film of a stable liquid holdup at overcurrent cylindrical shell 1 inwall by gear liquid bath 7, gear liquid bath 7 is dedusting demister liquid film liquid holdup control device, it is the groove-like device having certain depth and height, its height is determined according to flue gas flow, flow velocity with the parameter such as the degree of depth, is as the criterion to obtain maximum liquid holdup.According to parameters such as exhaust gas volumn, dedusting demisting efficiency, select to arrange one to three layers of eddy flow 2 in overcurrent cylindrical shell 1 inside, eddy flow Zi You center stationary magazine creel 9, guide vane 10, the outside plate 11 that surrounds form.Guide vane 10 is radially vertically mounted on the outer wall of center stationary magazine creel 9 and outside annular region of surrounding between plate 11 inwall according to a fixed angle of altitude.The outside plate 11 that surrounds is connected by welding manner with between guide vane 10.The quantity of guide vane 10 and angle of inclination adjust according to parameters such as exhaust gas volumn, dedusting demisting efficiency.Center stationary magazine creel 9 is for closing and the cylindrical tube of boring one end.The installation elevation angle of the sub-Inner guide blade of eddy flow is 25-45 °, and eddy flow blades quantity and the installation elevation angle are to meet eddy flow subexit air-flow particle velocity for 8.5-12.5m/s.Arrange one deck flue gas flow guiding device 3 in the bottom of eddy flow 2, the outside of flue gas flow guiding device 3 top and eddy flow 2 surrounds plate 11 and is welded to connect.
But this spiral board dedusting demister liquid gas contact area provided in prior art is little, and gas-liquid mass transfer intensity is low.
Summary of the invention
For overcoming the shortcoming existed in prior art, goal of the invention of the present invention is to provide a kind of cyclone pallet desulfurization and dedusting absorption tower, and gas liquid interfacial area is large, and gas-liquid mass transfer intensity is high.
For realizing described goal of the invention, the invention provides a kind of cyclone pallet desulfurization and dedusting absorption tower, in absorption tower, airflow direction being provided with swirl-flow devices, swirl-flow devices comprises pallet and eddy flow, and wherein, pallet central authorities are provided with cylindrical hole; Eddy flow is arranged in through hole, it is characterized in that, whirligig also comprises aiutage, and described aiutage is connected with cyclone is coaxial.
Preferably, aiutage is cylindrical shape.
Preferably, swirl-flow devices also comprises absorbent liquid receiver, the top edge of described absorbent liquid receiver and absorption tower inwall compact siro spinning technology; The top edge compact siro spinning technology of lower edge and aiutage.
Preferably, absorbent liquid receiver is infundibulate
Compared with prior art, cyclone pallet desulfurization and dedusting absorption tower provided by the invention, gas liquid interfacial area is large, and gas-liquid mass transfer intensity is high, can be widely used in the wet desulphurization of flue gas.
Accompanying drawing explanation
The schematic cross-section of spiral board dedusting demister of Fig. 1 for providing in prior art;
The structural representation of eddy flow of Fig. 2 for providing in prior art;
Fig. 3 is the schematic cross-section on absorption tower provided by the invention;
The schematic cross-section of the swirl-flow devices that Fig. 4 provides for first embodiment of the invention;
The structural representation of eddy flow that Fig. 5 provides for first embodiment of the invention;
The schematic cross-section of the swirl-flow devices that Fig. 6 provides for second embodiment of the invention;
The schematic cross-section of the swirl-flow devices that Fig. 7 provides for third embodiment of the invention;
The schematic cross-section of the swirl-flow devices that Fig. 8 provides for fourth embodiment of the invention.
Detailed description of the invention
The present invention is described in detail below in conjunction with accompanying drawing.
Fig. 3 is the schematic cross-section on absorption tower provided by the invention.As shown in Figure 3, absorption tower provided by the invention comprises absorption tower body 102, store slurry pool 107, cyclonic arrangement 105, absorbent circulated sprinkling pipeline 104, demister 103, smoke inlet 106 and exhanst gas outlet 101, the top of described absorption tower body 102 arranges exhanst gas outlet 101 with being connected in the body of absorption tower, the middle and lower part of described absorption tower body 102 arranges smoke inlet 106 with being connected in the body of absorption tower, coaxially be provided with absorption tower body 102 bottom absorption tower body 102 below described smoke inlet 106 and store slurry pool 107, swirl-flow devices 105 is disposed with along airflow direction between smoke inlet 106 and exhanst gas outlet 101, absorbent circulated sprinkling pipeline 104 and demister 3.
The schematic cross-section of the swirl-flow devices that Fig. 4 provides for first embodiment of the invention, as shown in Figure 4, the swirl-flow devices that first embodiment of the invention provides comprises pallet 108 and eddy flow 109, and wherein, pallet 108 central authorities are provided with a cylindrical hole; Eddy flow is arranged in through hole, and whirligig also comprises aiutage 110, and aiutage is cylindrical shape, and its underpart is provided with adpting flange.Described aiutage 110 is coaxially connected with cyclone 109.
The structural representation of eddy flow that Fig. 5 provides for first embodiment of the invention, as shown in Figure 5, the eddy flow attached bag that first embodiment of the invention provides is drawn together: swirl vane axle 113, multiple swirl vane 112 and urceolus 114, and wherein, swirl vane axle 113 is arranged on the central shaft of urceolus 114; Swirl vane 112 is the blade shape of plane or curved surface, and its axis projection along absorption tower is rectangle or fan-shaped.Swirl vane axle 113 is cylindrical structural.Multiple swirl vane 112 is radially vertically mounted on swirl vane axle 113 according to a fixed angle of altitude, and is arranged in the annular chamber of swirl vane axle 113 and the formation of urceolus 114 inwall.The quantity of swirl vane 112 and angle of inclination adjust according to parameters such as exhaust gas volumn, dedusting demisting efficiency.The top edge of urceolus 114 is provided with adpting flange 111, to be connected with the adpting flange of aiutage.
The schematic cross-section of the swirl-flow devices that Fig. 6 provides for second embodiment of the invention, as shown in Figure 6, the swirl-flow devices that second embodiment of the invention provides comprises a pallet 208 and eddy flow 209, and wherein, pallet 208 central authorities are provided with a cylindrical hole; Eddy flow is arranged in through hole.Whirligig also comprises aiutage 210, and aiutage is cylindrical shape, and its underpart is provided with adpting flange.Described aiutage 210 is coaxially connected with cyclone 109.Whirligig also comprises absorbent liquid receiver 211, the top edge of described absorbent liquid receiver and absorption tower inwall compact siro spinning technology; The top edge compact siro spinning technology of lower edge and aiutage, absorbent liquid receiver is infundibulate.Structure, the shape of eddy flow 209 in the second embodiment are identical with eddy flow 109 in the first embodiment with volume.
The schematic cross-section of the swirl-flow devices that Fig. 7 provides for third embodiment of the invention, as shown in Figure 7, the swirl-flow devices that third embodiment of the invention provides comprises a pallet 308 and N number of eddy flow 309, and wherein, pallet 308 is provided with N number of cylindrical hole; Eddy flow is respectively arranged with in each through hole.Whirligig also comprises N aiutage 310, and aiutage is cylindrical shape, and its underpart is provided with adpting flange.Described aiutage 310 is coaxially connected with cyclone 309.N be greater than or equal to 2 integer.The structure of eddy flow 309 in the 3rd embodiment is identical with eddy flow 109 in the first embodiment with shape, and eddy flow 109 only in volume ratio first embodiment is little, is suitable for the size of the through hole in pallet 308.
The schematic cross-section of the swirl-flow devices that Fig. 8 provides for fourth embodiment of the invention, as shown in Figure 8, the swirl-flow devices that fourth embodiment of the invention provides comprises a pallet 408 and N number of eddy flow 409, and wherein, pallet 408 is provided with N number of cylindrical hole; Eddy flow 409 is respectively arranged with in each through hole.Whirligig also comprises N aiutage 410, and aiutage is cylindrical shape, and its underpart is provided with adpting flange.Described aiutage 410 is coaxially connected with cyclone 409.N be greater than or equal to 2 integer.Whirligig also comprises absorbent liquid receiver, and absorbent liquid receiver comprises pallet 411, and N number of cylindrical hole that pallet 411 corresponds to pallet 408 setting is provided with N number of through hole, and the diameter of the through hole on pallet 411 is larger than the through-hole diameter on pallet 408.Be provided with a little receiver of infundibulate in each through hole on pallet 411, the top edge of little receiver welds with the through hole on pallet 408, and lower limb is connected with the top edge of aiutage 410, can weld, and can also utilize Flange joint.The structure of eddy flow 409 in the 4th embodiment is identical with eddy flow 109 in the first embodiment with shape, and eddy flow 109 only in volume ratio first embodiment is little, is suitable for the size of the through hole in pallet 408.
Although the present invention is illustrated to be provided with one deck swirl-flow devices 105 in the body of absorption tower, but the present invention is not limited to one deck, multi-layer rotational flow device 105 can be set, swirl-flow devices 105 also can be arranged on the top of absorbent circulated sprinkling pipeline 4, also all can arrange the swirl-flow devices 105 of more than one deck or one deck up with below.
The operation principle of cyclone pallet desulfurization and dedusting absorption tower provided by the invention is as follows: when flue gas flow to cyclonic arrangement by adsorption tower smoke entrance, be accelerated through the perforate in cyclonic arrangement, and the absorbent under spraying with spray pipeline fully mixes, flue gas flows through the cyclone period of the day from 11 p.m. to 1 a.m in perforate, under the effect of swirl vane, direction changes, spiral up draft is formed in aiutage, absorbent liquid is held rotary-cut repeatedly, the liquid gas suspension layer that formative dynamics is stable, thus add liquid gas contact area, strengthen gas-liquid mass transfer intensity.After purification, flue gas is removed after the absorbent liquid of carrying secretly through demister and is exported extraction discharge by adsorption tower smoke.Desulfuration efficiency >=98%, efficiency of dust collection >=80%.
The invention provides cyclone pallet desulfurization and dedusting absorption tower and achieve high desulfurization rate and dust removal efficiency simultaneously, downstream does not need to establish smart cleaner can realize ultra-clean discharge again, and this absorption tower is with low cost, operation is convenient, not easily break down, it is convenient to run, and can be widely used in wet process of FGD.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (4)
1. a cyclone pallet desulfurization and dedusting absorption tower, is provided with swirl-flow devices along airflow direction in absorption tower, and swirl-flow devices comprises pallet and eddy flow, and wherein, pallet central authorities are provided with cylindrical hole; Eddy flow is arranged in through hole, it is characterized in that, whirligig also comprises aiutage, and described aiutage is connected with cyclone is coaxial.
2. cyclone pallet desulfurization and dedusting absorption tower according to claim 1, is characterized in that, aiutage is cylindrical shape.
3. cyclone pallet desulfurization and dedusting absorption tower according to claim 2, is characterized in that, swirl-flow devices also comprises absorbent liquid receiver, the top edge of described absorbent liquid receiver and absorption tower inwall compact siro spinning technology; The top edge compact siro spinning technology of lower edge and aiutage.
4. cyclone pallet desulfurization and dedusting absorption tower according to claim 3, is characterized in that, absorbent liquid receiver is infundibulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610007622.6A CN105498498A (en) | 2016-01-07 | 2016-01-07 | Desulfuration and dust-removal absorption tower with cyclone tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610007622.6A CN105498498A (en) | 2016-01-07 | 2016-01-07 | Desulfuration and dust-removal absorption tower with cyclone tray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105498498A true CN105498498A (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610007622.6A Pending CN105498498A (en) | 2016-01-07 | 2016-01-07 | Desulfuration and dust-removal absorption tower with cyclone tray |
Country Status (1)
| Country | Link |
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| CN (1) | CN105498498A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107308794A (en) * | 2017-07-03 | 2017-11-03 | 盐城市兰丰环境工程科技有限公司 | A kind of out of stock integrated device of low-temperature flue gas desulfurization |
| CN108525869A (en) * | 2018-06-04 | 2018-09-14 | 晋江美创环保设备有限公司 | A kind of cyclone of adjustable spinning disk angle and desulfurizing tower using the cyclone |
| CN109200778A (en) * | 2018-08-06 | 2019-01-15 | 个旧市自立矿冶有限公司 | A kind of flue gas during smelting desulfurizing tower internal-response mechanism |
| CN113384982A (en) * | 2021-06-15 | 2021-09-14 | 安徽金森源环保工程有限公司 | Desulfurization and denitrification flue gas aeration device |
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2016
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107308794A (en) * | 2017-07-03 | 2017-11-03 | 盐城市兰丰环境工程科技有限公司 | A kind of out of stock integrated device of low-temperature flue gas desulfurization |
| CN108525869A (en) * | 2018-06-04 | 2018-09-14 | 晋江美创环保设备有限公司 | A kind of cyclone of adjustable spinning disk angle and desulfurizing tower using the cyclone |
| CN109200778A (en) * | 2018-08-06 | 2019-01-15 | 个旧市自立矿冶有限公司 | A kind of flue gas during smelting desulfurizing tower internal-response mechanism |
| CN109200778B (en) * | 2018-08-06 | 2021-12-24 | 个旧市自立矿冶有限公司 | Internal reaction mechanism of smelting flue gas desulfurization tower |
| CN113384982A (en) * | 2021-06-15 | 2021-09-14 | 安徽金森源环保工程有限公司 | Desulfurization and denitrification flue gas aeration device |
| CN113384982B (en) * | 2021-06-15 | 2022-02-08 | 安徽金森源环保工程有限公司 | Desulfurization and denitrification flue gas aeration device |
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Application publication date: 20160420 |