CN203355593U - Dedusting desulfurizer adopting wet method - Google Patents
Dedusting desulfurizer adopting wet method Download PDFInfo
- Publication number
- CN203355593U CN203355593U CN 201320442902 CN201320442902U CN203355593U CN 203355593 U CN203355593 U CN 203355593U CN 201320442902 CN201320442902 CN 201320442902 CN 201320442902 U CN201320442902 U CN 201320442902U CN 203355593 U CN203355593 U CN 203355593U
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- Prior art keywords
- exocoel
- inner cavity
- level
- cylinder body
- cavity barrel
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- 238000000034 method Methods 0.000 title abstract description 15
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 49
- 230000023556 desulfurization Effects 0.000 claims abstract description 46
- 238000011084 recovery Methods 0.000 claims abstract description 26
- 238000000889 atomisation Methods 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims description 20
- 239000007921 spray Substances 0.000 claims description 14
- 239000003595 mist Substances 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 21
- 238000005507 spraying Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003517 fume Substances 0.000 abstract 2
- 239000000243 solution Substances 0.000 description 37
- 239000007789 gas Substances 0.000 description 20
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 9
- 239000003546 flue gas Substances 0.000 description 9
- 239000003245 coal Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000002309 gasification Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000005587 bubbling Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Abstract
A dedusting desulfurizer adopting a wet method mainly comprises an outer chamber cylinder body, wherein an inner chamber cylinder body is arranged inside the outer chamber cylinder body in a sleeving manner; an inclined air inlet pipeline is connected to the bottom of the outer chamber cylinder body; an atomization sprayer is arranged at the top of the outer chamber cylinder body; an outer chamber desulfurization pool is arranged at the lower part inside the outer chamber cylinder body; a primary liquid feeding pipe is connected to the bottom of the outer chamber desulfurization pool; a water outlet connected with a primary solution recovery device is formed in the bottom of the desulfurization pool; a spiral coil pipe is arranged inside the inner chamber cylinder body; a small hole for spraying desulfurization liquid is formed in each circle of the spiral coil pipe; a secondary liquid feeding pipe is connected to the bottom of the spiral coil pipe; a water outlet connected with a secondary solution recovery device is formed in the bottom of the inner chamber cylinder body; a tangential inlet is formed in the side wall surface of the inner chamber cylinder body; a webby demister is arranged at the fume outlet of the top of the inner chamber cylinder body; the fume outlet of the top of the inner chamber cylinder body extends out of the top of the outer chamber cylinder body. The utility model further discloses a wet dedusting and desulfurization method. The dedusting desulfurizer improves the desulfurization efficiency, is convenient to operate, and safe and reliable in operation.
Description
Technical field
The utility model belongs to environmental protection and pollutant control field, relates to particularly a kind of wet dust removal desulphurization device.
Background technology
The power generation of China be take thermal power generation as main, and thermal power plant usings coal and generated electricity as main fuel, and coal directly burning discharges a large amount of SO2, causes air environmental pollution, endangers that large class is healthy, corrosion construction material, restriction economic development.And, along with increasing progressively of installed capacity, the discharge capacity of SO2 is also in continuous increase.Strengthen environmental protection work is the important guarantee of China's the Implement of sustainable development strategy.The control dynamics that strengthens the SO2 of thermal power plant just seems very urgent and necessary.For this reason, need flue gas desulfurization technique and the device that R&D costs are low, efficiency is high.Wherein, after burning, desulfurization is the method for flue gas desulfurization, mainly contains three kinds of wet method, dry method and semidry methods.While using wet process of FGD, whole desulphurization system is positioned at the end of flue, after dust pelletizing system.Sweetening process is carried out in solution, and adsorbent and desulfurization resultant are hygrometric state.Based Wet Process Flue Gas is gas liquid reaction, for gas, liquid two-phase provide sufficient contact, makes mass transfer, conducts heat and carrying out rapidly and effectively.
Mission requirements based on national energy field " research of Gas-particle Flows rule and gasification reaction mechanism in the fine coal pressurized fluidized bed gasifier ", need exploitation that spray, water-bath, cyclonic separation and demist functions/drying are integrated in one; The abundant contact of strengthening between gas-liquid, strengthen mass transfer and reaction between gas-liquid, improved desulfuration efficiency, treatment effect is good; Open and floor space is little, cost is low, structure cylinder list, be easy to maximize, desulfur technology easy to operate, safe and reliable to operation.
Pass through literature survey, some scholars have carried out research work to Wet Flue Gas Desulfurization Technique both at home and abroad, also obtained the conclusion with reference, but research in the past is because dedusting is thorough, efficiency is low, occupation of land is large, the high in cost of production reason, still can not meet the requirement of fine coal pressurization dense phase fluidized gasification technology.In addition, spray, water-bath, cyclonic separation and dry defrosting function and the wet desulphurization method that be applicable to fine coal pressurization dense phase fluidized gasification technology of integrating proposed in this patent yet there are no relevant report.
Summary of the invention
The purpose of this utility model be to provide a kind of by spray, water-bath, cyclonic separation and dry defrosting function in the wet dust removal desulphurization device of one.
For achieving the above object, the wet dust removal desulphurization device that the utility model provides mainly comprises:
One exocoel cylindrical shell, this exocoel is arranged with inner cavity barrel in body;
The bottom of this exocoel cylindrical shell connects a tilting admission line, and the air inlet of this admission line is higher than the connecting portion with this exocoel cylindrical shell;
This exocoel is provided with atomization sprayer to the top of body, and this exocoel is exocoel desulfurization pond to below, body inside, and this bottom, exocoel desulfurization pond connects the one-level feed tube, and this bottom, exocoel desulfurization pond offers osculum, and this osculum connects the one-level solution recovery device;
Be provided with spiral coil in this inner cavity barrel, all have the aperture that sprays doctor solution on every circle spiral coil, this spiral coil bottom connects by the secondary feed tube, and this inner cavity barrel bottom offers osculum, and this osculum connects the secondary solution recovery device;
Offer tangential entry on the side wall surface of this inner cavity barrel, the smoke outlet at this inner cavity barrel top is provided with mesh mist eliminator, and the exhanst gas outlet at this inner cavity barrel top extends the top of exocoel to body.
Described wet dust removal desulphurization device, wherein, 20 °<0<70 ° of the included angle of admission line.
Described wet dust removal desulphurization device, wherein, top, exocoel desulfurization pond is equipped with the one-level overflow launder, and this one-level overflow launder is connected with the one-level solution recovery device.
Described wet dust removal desulphurization device, wherein, the inner cavity barrel bottom is equipped with the secondary overflow launder, and this secondary overflow launder is connected with the secondary solution recovery device.
Described wet dust removal desulphurization device, wherein, the tangential entry of offering on the inner cavity barrel side wall surface is to the vertical range between the one-level overflow launder, and the relation between the height of one-level overflow launder is:
4Hd＞ΔH＞2.5Hd
Wherein, Δ H is the vertical range between tangential entry and one-level overflow launder;
Hd is the height of one-level overflow launder.
Described wet dust removal desulphurization device, wherein, bottom, exocoel desulfurization pond is equipped with the one-level exhaust-valve, and bottom discharge hole, exocoel desulfurization pond connects the one-level solution recovery device by this one-level exhaust-valve; The inner cavity barrel bottom is equipped with the secondary exhaust-valve, and inner cavity barrel bottom discharge hole connects the secondary solution recovery device by the secondary exhaust-valve.
The utlity model has following features:
1) spray, water-bath, cyclonic separation and demist functions/drying are integrated in one.
2) adopt the two-stage wet dedusting desulfurization, strengthened contact between gas-liquid, strengthened mass transfer and reaction between gas-liquid, improved desulfuration efficiency, treatment effect is good.
3) floor space is little, cost is low, structure cylinder list, be easy to maximize, easy to operate, safe and reliable to operation.
The accompanying drawing explanation
Fig. 1 is wet dust removal desulphurization device structural representation of the present utility model.
Primary clustering symbol description in accompanying drawing:
Admission line 1, exocoel cylindrical shell 2, exocoel desulfurization pond 3, one-level feed tube 4, one-level exhaust-valve 5, atomization sprayer 6, one-level overflow launder 7, one-level solution recovery device 8, inner cavity barrel 9, tangential entry 10, spiral coil 11, secondary feed tube 12, secondary overflow launder 13, secondary exhaust-valve 14, secondary solution recovery device 15, mesh mist eliminator 16, exhanst gas outlet 17.
The specific embodiment
Wet dust removal desulphurization device structure of the present utility model as shown in Figure 1, is spiral coil spray two-stage dust-removing desulfurating apparatus.
The internal sleeve that its main body of wet dust removal desulphurization device of the present utility model is exocoel cylindrical shell 2 is provided with an inner chamber cylinder 9.
The bottom of exocoel cylindrical shell 2 connects a tilting admission line 1, and the included angle 0 of this admission line 1 is preferably between 20 ° to 70 °.The bottom of exocoel cylindrical shell 2 is exocoel desulfurization pond 3, and 3 bottoms, exocoel desulfurization pond connect one-level feed tubes 4, and when one-level feed tube 4, during to the interior injection doctor solution in desulfurization pond 3, standing doctor solution is deposited in exocoel desulfurization pond 3.Be provided with atomization sprayer 6 at the top of exocoel cylindrical shell 2, for spraying the atomization doctor solution; 3 bottoms, exocoel desulfurization pond offer osculum (in figure, art is shown), and this osculum connects by one-level solution recovery device 8 by one-level exhaust-valve 5.In exocoel desulfurization pond, one-level overflow launder 7 is installed on 3 tops, for controlling the certain liquid level of exocoel desulfurization pond 3 interior maintenance.This one-level overflow launder 7 is connected with one-level solution recovery device 8.
Spiral coil 11 is installed in inner cavity barrel 9, and the secondary feed tube 12 of being installed by inner cavity barrel 9 bottoms is carried doctor solution continuously to spiral coil 11.All have the aperture that 4 diameters are 3mm on every circle spiral coil and spray doctor solution.Interior empty cylindrical shell 9 bottoms are equipped with secondary overflow launder 13, to keep the liquid level in inner cavity barrel 9, maintain certain height, and secondary overflow launder 13 is connected with secondary solution recovery device 15, the doctor solution of recycling ejection from spiral coil 11.Exhanst gas outlet 17 places at inner cavity barrel 9 tops are equipped with mesh mist eliminator 16, the humid gas after spiral coil 11 spraying and dedustings is carried out to drying and process.Inner cavity barrel 9 bottoms offer the osculum (not shown), and this osculum connects secondary solution recovery device 15 by secondary exhaust-valve 14.
Device of the present utility model in use, ash-laden gas enters the exocoel desulfurization pond 3 of exocoel cylindrical shell 2 bottoms via the admission line 1 from the horizontal by oblique lower angle (20 °<0<70 °), 3 bottoms, exocoel desulfurization pond are equipped with one-level feed tube 4 and inject doctor solution in the desulfurization ponds, exhaust-valve 5 also is equipped with in 3 bottoms, exocoel desulfurization pond, while needing repair apparatus, open exhaust-valve 5, by the fluid removal in exocoel cylindrical shell 2.
Flue gas inclined enters exocoel desulfurization pond 3 downwards, and the static height Hc of the liquid level in the mouth of pipe vertical height Hy of admission line 1 and exocoel desulfurization pond 3 keeps certain relation (Hy>1.5Hc), to prevent that the liquid in exocoel desulfurization pond 3 from flowing backwards, guaranteed that flue gas is supplied with and the safety of conveying equipment.
Flue gas enters exocoel desulfurization pond 3, the interior feature that bubbling occurs in exocoel desulfurization pond 3.Flue gas is after the 3 interior washings of exocoel desulfurization pond, top motion to exocoel cylindrical shell 2, the atomization doctor solution sprayed with exocoel cylindrical shell 2 top atomization sprayers 6 meets, ash-laden gas with vaporific desulfurizing agent fully by having touched, strengthened the mass transfer between gas-liquid and having reacted, improved desulfuration efficiency.In exocoel desulfurization pond, one-level overflow launder 7 is installed on 3 tops, thereby controls the certain liquid level of exocoel cylindrical shell 2 interior maintenance.One-level overflow launder 7 is connected with one-level solution recovery device 8, the liquid overflowed in the doctor solution that recycling sprays from atomization sprayer 6 and exocoel desulfurization pond 3, and the liquid of recovery can be recycled after processing regeneration.
Dusty gas is after exocoel cylindrical shell 2 interior experience bubbling water bath dust-removing and spray wet dedusting, enter inner cavity barrel 9 spaces via the tangential entry 10 arranged on inner cavity barrel 9 walls, wherein between the vertical range Δ H of 7 of tangential entry 10 and one-level overflow launders and overflow launder vertical height Hd, need to meet relation: 4Hd>Δ H>2.5Hd.Avoid so on the one hand the liquid in exocoel desulfurization pond 3 to enter tangential entry 10, dusty gas enters inner cavity barrel 9 in lower position on the one hand, can increase the motion path of dusty gas in exocoel cylindrical shell 2, strengthen contacting between spray doctor solution and dusty gas, improve efficiency of dust collection.
Dusty gas, after tangential entry 10 enters inner cavity barrel 9, is subject to the constraint of inner cavity barrel 9 walls, and the motion of dusty gas in inner cavity barrel 9 becomes circular motion by rectilinear motion, in the interior formation vortex flow of inner cavity barrel 9.Spiral coil 11 is installed in inner cavity barrel 9, and the secondary feed tube 12 of being installed by inner cavity barrel 9 bottoms is carried doctor solution continuously to spiral coil 11.All have the aperture that 4 diameters are 3mm on every circle spiral coil and spray doctor solution.After the doctor solution that ash-laden gas sprays with spiral coil 11 fully contacts, most of drop is after the cyclonic separation effect, moves in the bottom to inner cavity barrel 9 under the effect of gravity.Secondary overflow launder 13 is installed in inner cavity barrel 9 bottoms, to keep liquid level to maintain certain height, secondary overflow launder 13 is connected with secondary solution recovery device 15, the doctor solution of recycling ejection from spiral coil 11, and the liquid of recovery can be recycled after processing regeneration.Mesh mist eliminator 16 is installed at the inner cavity barrel top, the humid gas after the spiral coil spraying and dedusting is carried out to drying and process.Dried gas is got rid of from exhanst gas outlet 17.Secondary exhaust-valve 14 also is equipped with in inner cavity barrel 9 bottoms, while needing repair apparatus, opens exhaust-valve, by the fluid removal in inner cavity barrel 9.
At length introduce again the course of work of the present utility model:
1) open the valve of one-level feed tube 4, in exocoel cylindrical shell 2, be filled with doctor solution, until doctor solution reaches one-level overflow launder 7 belows, stop topping up.
2) open the valve of one-level solution recovery device 8 and secondary solution recovery device 15, prepare to collect the liquid overflowed.
3) open mesh mist eliminator 16.
4) open atomization sprayer 6, from the top of exocoel cylindrical shell 2 to the interior sprinkling atomization of exocoel cylindrical shell 2 doctor solution.
5) open the valve of admission line 1, make dusty gas pass into exocoel cylindrical shell 2.
6) open the valve of secondary feed tube 12, to spiral coil 11, be filled with doctor solution, the circular hole on spiral coil 11 starts to spray doctor solution in the space of inner cavity barrel 9.
7) in the course of the work by controlling the air inflow of dusty gas, coordinate the flow of adjusting one-level feed tube 4 and secondary feed tube 12 while returning, obtain the treating capacity of different flue-gas dust-removing and desulfurizations.
While 8) needing repair apparatus, open one-level exhaust-valve 5 and secondary exhaust-valve 14, by the fluid removal in exocoel cylindrical shell 2 and inner cavity barrel 9.
Claims (6)
1. a wet dust removal desulphurization device mainly comprises:
One exocoel cylindrical shell, this exocoel is arranged with inner cavity barrel in body;
The bottom of this exocoel cylindrical shell connects a tilting admission line, and the air inlet of this admission line is higher than the connecting portion with this exocoel cylindrical shell;
This exocoel is provided with atomization sprayer to the top of body, and this exocoel is exocoel desulfurization pond to below, body inside, and this bottom, exocoel desulfurization pond connects the one-level feed tube, and this bottom, exocoel desulfurization pond offers osculum, and this osculum connects the one-level solution recovery device;
Be provided with spiral coil in this inner cavity barrel, all have the aperture that sprays doctor solution on every circle spiral coil, this spiral coil bottom connects the secondary feed tube, and this inner cavity barrel bottom offers osculum, and this osculum connects the secondary solution recovery device;
Offer tangential entry on the side wall surface of this inner cavity barrel, the smoke outlet at this inner cavity barrel top is provided with mesh mist eliminator, and the exhanst gas outlet at this inner cavity barrel top extends the top of exocoel to body.
2. wet dust removal desulphurization device according to claim 1, wherein, the included angle of admission line is 20 °-70 °.
3. wet dust removal desulphurization device according to claim 1, wherein, be equipped with the one-level overflow launder above exocoel desulfurization pond, and this one-level overflow launder is connected with the one-level solution recovery device.
4. wet dust removal desulphurization device according to claim 1, wherein, the inner cavity barrel bottom is equipped with the secondary overflow launder, and this secondary overflow launder is connected with the secondary solution recovery device.
5. according to the described wet dust removal desulphurization device of claim 1 or 3, wherein, the tangential entry of offering on the inner cavity barrel side wall surface is to the vertical range between the one-level overflow launder, and the foot of the relation between the height of one-level overflow launder:
4Hd＞ΔH＞2.5Hd
Wherein, Δ H is the vertical range between tangential entry and one-level overflow launder;
Hd is the height of one-level overflow launder.
6. wet dust removal desulphurization device according to claim 1, wherein, bottom, exocoel desulfurization pond is equipped with the one-level exhaust-valve, and bottom discharge hole, exocoel desulfurization pond connects the one-level solution recovery device by this one-level exhaust-valve; The inner cavity barrel bottom is equipped with the secondary exhaust-valve, and inner cavity barrel bottom discharge hole connects the secondary solution recovery device by the secondary exhaust-valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320442902 CN203355593U (en) | 2013-07-25 | 2013-07-25 | Dedusting desulfurizer adopting wet method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320442902 CN203355593U (en) | 2013-07-25 | 2013-07-25 | Dedusting desulfurizer adopting wet method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203355593U true CN203355593U (en) | 2013-12-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320442902 Expired - Lifetime CN203355593U (en) | 2013-07-25 | 2013-07-25 | Dedusting desulfurizer adopting wet method |
Country Status (1)
| Country | Link |
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| CN (1) | CN203355593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381333A (en) * | 2013-07-25 | 2013-11-06 | 中能服(北京)节能投资有限公司 | Device and method for dust removal and desulphurization through wet method |
-
2013
- 2013-07-25 CN CN 201320442902 patent/CN203355593U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381333A (en) * | 2013-07-25 | 2013-11-06 | 中能服(北京)节能投资有限公司 | Device and method for dust removal and desulphurization through wet method |
| CN103381333B (en) * | 2013-07-25 | 2016-04-13 | 中能服能源科技股份有限公司 | A kind of wet dust removal desulphurization device and method |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 100016 Beijing 1 Jiuxianqiao Chaoyang District ten neighborhood hospital Patentee after: CES (BEIJING) ENERGY-SAVING INVESTMENT Co.,Ltd. Address before: 100044 Beijing city Haidian District Xizhimen Street No. 168 Tengda building room 609 Patentee before: CES (BEIJING) ENERGY-SAVING INVESTMENT Co.,Ltd. |
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100016 Beijing 1 Jiuxianqiao Chaoyang District ten neighborhood hospital Patentee after: CES ENERGY TECHNOLOGY Co.,Ltd. Address before: 100016 Beijing 1 Jiuxianqiao Chaoyang District ten neighborhood hospital Patentee before: CES (BEIJING) ENERGY-SAVING INVESTMENT Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |
Address after: 100043, Beijing, Financial Street (Changan) center, building 1, 13, Shijingshan District Patentee after: CES ENERGY TECHNOLOGY Co.,Ltd. Address before: 100016 Beijing 1 Jiuxianqiao Chaoyang District ten neighborhood hospital Patentee before: CES ENERGY TECHNOLOGY Co.,Ltd. |
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Addressee: Ma Zhengzhong Document name: Notice of Termination of Patent Rights |
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