CN205127560U - Coal fired power plant wet chimney defogging dust collector - Google Patents
Coal fired power plant wet chimney defogging dust collector Download PDFInfo
- Publication number
- CN205127560U CN205127560U CN201520840097.7U CN201520840097U CN205127560U CN 205127560 U CN205127560 U CN 205127560U CN 201520840097 U CN201520840097 U CN 201520840097U CN 205127560 U CN205127560 U CN 205127560U
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- CN
- China
- Prior art keywords
- eddy current
- blade
- support structure
- chimney
- power plant
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- 239000000428 dust Substances 0.000 title claims abstract description 17
- 239000003245 coal Substances 0.000 title abstract 2
- 230000005484 gravity Effects 0.000 claims abstract description 9
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 3
- 239000002253 acid Substances 0.000 claims description 10
- 230000007797 corrosion Effects 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 210000000481 breast Anatomy 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000002401 inhibitory effect Effects 0.000 claims description 3
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 11
- 239000003546 flue gas Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Chimneys And Flues (AREA)
Abstract
The utility model discloses a coal fired power plant wet chimney defogging dust collector includes gravity drop hammer, lower bearing structure, vortex distributor, connecting rod, vortex defroster from bottom to top, goes up bearing structure and nozzle, vortex distributor is by a set of endocentric blades, and through bolt fastening under on the bearing structure, lower bearing structure passes through the bolt fastening under the connecting rod, vortex defroster is in vortex distributor top, through the bolt fastening under the last bearing structure, vortex defroster also is by a set of endocentric blades, and its blade is arranged on the contrary with vortex distributor, and the air current whirl direction of its formation is also opposite from this, the connecting rod passes through the bolt fastening and under last bearing structure, goes up bearing structure and fix at chimney inner wall top through dismantling fixing device. The beneficial effects of the utility model are that: separation efficiency is high, and resistance to motion is little, and its choked flow effect to the flue gas is little, and resistance to motion is little, and the energy consumption is low. Simple to operate, the operation maintenance is simple.
Description
Technical field
The utility model belongs to demist dust arrester, more particularly, relates to a kind of coal-burning power plant's Wet chimney demist dust arrester.
Background technology
At present, the flue gas desulfur device more than 90% of domestic large coal-fired power plant unit adopts lime stone-gypsum wet sulfur removal technology, containing SO in the wet flue gas after desulfurization
2, SO
3, the highly acid material such as HCl.After desulfurization, flue-gas temperature is in below acid dew point, and chimney is now " Wet chimney ".Flue gas in Wet chimney easily produces has corrosive sulfuric acid, sulfurous acid and hydrochloric acid solution.For the desulphurization system not having flue gas heat-exchange unit, flue-gas temperature is lower, and fume gas condensation acid solution is taken out of chimney with the form of little droplet with fume emission, flies away in surrounding environment, constitutes serious threat to neighbouring residents ' health and property safety.
The chimney bore of current large coal-fired power plant is large, and highly higher, traditional demister not only installs difficulty, and operation maintenance also extremely bothers, and energy consumption is high.For effectively removing the droplet in Wet chimney, we have designed and developed a kind of pair of vortex patern chimney demist dust arrester.
Utility model content
The purpose of this utility model overcomes the deficiencies in the prior art, provides a kind of rational in infrastructure, coal-burning power plant's Wet chimney demist dust arrester of good purification.
This coal-burning power plant's Wet chimney demist dust arrester, comprises gravity drop hammer, lower support structure, eddy current distributor, connecting rod, eddy current demister, upper support structure and nozzle from bottom to top; Eddy current distributor is made up of one group of concentric blade, is bolted on lower support structure, under lower support structure is bolted on connecting rod; Eddy current demister above eddy current distributor, under being bolted on upper support structure; Eddy current demister is also made up of one group of concentric blade, and its blade arrangement is contrary with eddy current distributor, and its air-flow eddy flow direction formed is also contrary thus; Under connecting rod is bolted on upper support structure, upper support structure is fixed on inner wall of stack top by removable fixation means.
As preferably: described chimney internal diameter is D; Eddy current distributor is below wet-esp arrival end, and its upper end is L apart from the distance of eddy current distributor; In chimney, gas flow rate range is 10m/s ~ 25m/s, L1 span is 1 ~ 3m; Eddy current distributor is made up of central tube, urceolus and blade; Urceolus cross section is circular, and diameter is dw, dw span 2/3D ~ 9/10D; Blade plane and horizontal plane angle are s, and blade upper end and horizontal plane angle are r; The scope of s is 30 ° ~ 50 °, and the scope of r is 0 ° ~ 30 °; Blade quantity is 9 ~ 36.
As preferably: chimney breast end is located at by described eddy current demister, is made up of central tube, urceolus and blade; Outer barrel diameter is dc, general dc span 4/5D ~ 9/10D; Blade plane and horizontal plane angle are s, and blade lower end and horizontal plane angle are r; The scope of general s is-30 ° ~-50 °, and the scope of r is 0 ° ~-30 °; Blade quantity is 9 ~ 36.
As preferably: the material of described eddy current distributor and eddy current demister is that acidproof nonmetal, acid-resistant stainless steel or carbon steel serve as a contrast corrosion-inhibiting coating.
As preferably: described lower support structure, upper support structure, connecting rod, gravity drop hammer and bolt material should be acid-resistant stainless steel.
As preferably: described arrangement of nozzles, above upper support structure and eddy current demister, is solid-cone (type) nozzle.
As preferably: described upper support structure is fixed on chimney outer wall, does not establish the strong point at inner wall of stack.
As preferably: around described lower support structure by corrosion-resistant be flexible coupling compress sturdy with inner wall of stack.
The beneficial effects of the utility model are:
1 demisting efficiency is high, and running resistance is little
This demister adopts the method for secondary smoke eddy flow to remove droplet, and the first order utilizes centrifugal force to remove Large stone droplet, and small particle diameter droplet is removed in the collision effect that the second level utilizes air-flow rotation direction to change, and all has better removal effect for particle diameter droplet various in flue gas.Owing to make use of flow rotation effect, compare traditional impaction demister, it is little to the choked flow effect of flue gas, and running resistance is little, and energy consumption is low.
2 is easy for installation, and operation maintenance is simple
Upper support structure is fixed on outside chimney, lower support structure by corrosion-resistant be flexible coupling to contact with inner wall of stack, need not in chimney extension supporting point, install very convenient.After the detachable some individual components of whole device, be transported to chimney top and carry out Assembling, need not get angry, decrease workload and the work difficulty of work high above the ground.Device is installed on chimney top, and operations staff can enter chimney inside can carry out repair and maintenance to equipment.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is eddy current dispensing arrangement schematic diagram;
Fig. 3 is the blade angle schematic diagram of eddy current distributor;
Fig. 4 is eddy current demister structural representation;
Fig. 5 is the blade angle signal of eddy current demister;
Description of reference numerals: gravity drop hammer 1, lower support structure 2, eddy current distributor 3, connecting rod 4, eddy current demister 5, upper support structure 6, nozzle 7, inner wall of stack 8, central tube 9, urceolus 10, blade 11.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described further.Although the utility model will be described in conjunction with preferred embodiment, should know, not represent the utility model restriction in the described embodiment.On the contrary, the utility model will contain can be included in attached claims limit scope of the present utility model in alternative, modified and equivalent.
As shown in Figure 1 to Figure 2, this coal-burning power plant's Wet chimney demist dust arrester, comprises gravity drop hammer 1, lower support structure 2, eddy current distributor 3, connecting rod 4, eddy current demister 5, upper support structure 6 and nozzle 7 from bottom to top; Eddy current distributor 3 is made up of one group of concentric blade 11, and be bolted on lower support structure 2, lower support structure 2 is bolted on connecting rod 4 times; Eddy current demister 5, above eddy current distributor 3, is bolted on upper support structure 6 times; Eddy current demister 5 is also made up of one group of concentric blade 11, and its blade 11 is arranged contrary with eddy current distributor 3, and air-flow eddy flow direction of its formation is also contrary thus; Connecting rod 4 is bolted on upper support structure 6 times, and upper support structure 6 is fixed on inner wall of stack 8 top by removable fixation means.
Flue gas containing drop is when eddy current distributor 3, under blade 11 acts on, produce a swirling motion around center, part Large stone droplet moves to surrounding under centrifugal action, collide with inner wall of stack 8, condense after form condensate liquid, condensate liquid flows to chimney bottom along inner wall of stack 8 under gravity.The droplet of small particle diameter due to quality little, along with flue gas continues to move upward, when the eddy current demister 5 on top, air-flow rotation direction is reversed, small particle diameter droplet collides with the blade 11 of eddy current demister 5 under effect of inertia, assembles and condenses into Large stone drop and be removed
Described chimney internal diameter is D; Eddy current distributor 3 is below wet-esp arrival end, and its upper end is L1 apart from the distance of eddy current distributor 3; In chimney, gas flow rate range is 10m/s ~ 25m/s, L1 span is 1 ~ 3m; As Fig. 2, eddy current distributor 3 is made up of central tube 9, urceolus 10 and blade 11; Urceolus 10 cross section is circular, and diameter is dw, dw span 2/3D ~ 9/10D; As Fig. 3, blade 11 plane and horizontal plane angle are s, and blade 11 upper end and horizontal plane angle are r; The scope of s is 30 ° ~ 50 °, and the scope of r is 0 ° ~ 30 °; Blade 11 quantity is 9 ~ 36.
Chimney breast end is located at by described eddy current demister 5, as shown in Figure 4, is made up of central tube 9, urceolus 10 and blade 11; Urceolus 10 diameter is dc, general dc span 4/5D ~ 9/10D; As shown in Figure 5, blade 11 plane and horizontal plane angle are s, and blade 11 lower end and horizontal plane angle are r; The scope of general s is-30 ° ~-50 °, and the scope of r is 0 ° ~-30 °; Blade 11 quantity is 9 ~ 36.
Eddy current distributor 3 can be different from blade 11 number of eddy current demister 5, and angle s and the r of blade 11 can be different.Described eddy current distributor 3 and the material of eddy current demister 5 are that acidproof nonmetal, acid-resistant stainless steel or carbon steel serve as a contrast corrosion-inhibiting coating.Described lower support structure 2, upper support structure 6, connecting rod 4, gravity drop hammer 1 and bolt material should be acid-resistant stainless steel.
Described nozzle 7 is arranged in above upper support structure 6 and eddy current demister 5, is solid-cone (type) nozzle 7.Nozzle can be 1, also can be multiple.Flushing water sprays through nozzle, the acid droplet that below eddy current demister blade condenses is rinsed out.
Described upper support structure 6 is fixed on chimney outer wall, does not establish the strong point at inner wall of stack 8.Around described lower support structure 2 by corrosion-resistant be flexible coupling compress sturdy with inner wall of stack 8, both can not destroy anticorrosive coat in chimney, can ensure again that lower support structure 2 and eddy current distributor 3 did not rock in chimney.
Claims (8)
1. coal-burning power plant's Wet chimney demist dust arrester, is characterized in that: comprise gravity drop hammer (1), lower support structure (2), eddy current distributor (3), connecting rod (4), eddy current demister (5), upper support structure (6) and nozzle (7) from bottom to top; Eddy current distributor (3) is made up of one group of concentric blade (11), is bolted on lower support structure (2), under lower support structure (2) is bolted on connecting rod (4); Eddy current demister (5) eddy current distributor (3) top, under being bolted on upper support structure (6); Eddy current demister (5) is also made up of one group of concentric blade (11), and its blade (11) is arranged contrary with eddy current distributor (3), and air-flow eddy flow direction of its formation is also contrary thus; Under connecting rod (4) is bolted on upper support structure (6), upper support structure (6) is fixed on inner wall of stack (8) top by removable fixation means.
2. Wet chimney demist dust arrester in coal-burning power plant's according to claim 1, is characterized in that: described chimney internal diameter is D; Eddy current distributor (3) is below wet-esp arrival end, and its upper end is L1 apart from the distance of eddy current distributor (3); In chimney, gas flow rate range is 10m/s ~ 25m/s, L1 span is 1 ~ 3m; Eddy current distributor (3) is made up of central tube (9), urceolus (10) and blade (11); Urceolus (10) cross section is circular, and diameter is dw, dw span 2/3D ~ 9/10D; Blade (11) plane and horizontal plane angle are s, and blade (11) upper end and horizontal plane angle are r; The scope of s is 30 ° ~ 50 °, and the scope of r is 0 ° ~ 30 °; Blade 11 quantity is 9 ~ 36.
3. Wet chimney demist dust arrester in coal-burning power plant's according to claim 1, it is characterized in that: described eddy current demister (5) is located at chimney breast end, be made up of central tube (9), urceolus (10) and blade (11); Urceolus (10) diameter is dc, dc span 4/5D ~ 9/10D; Blade (11) plane and horizontal plane angle are s, and blade (11) lower end and horizontal plane angle are r; The scope of s is-30 ° ~-50 °, and the scope of r is 0 ° ~-30 °; Blade (11) quantity is 9 ~ 36.
4. Wet chimney demist dust arrester in coal-burning power plant's according to claim 1, is characterized in that: the material of described eddy current distributor (3) and eddy current demister (5) is that acidproof nonmetal, acid-resistant stainless steel or carbon steel serve as a contrast corrosion-inhibiting coating.
5. Wet chimney demist dust arrester in coal-burning power plant's according to claim 1, is characterized in that: described lower support structure (2), upper support structure (6), connecting rod (4), gravity drop hammer (1) and bolt material should be acid-resistant stainless steel.
6. Wet chimney demist dust arrester in coal-burning power plant's according to claim 1, it is characterized in that: described nozzle (7) is arranged in upper support structure (6) and eddy current demister (5) top, is solid-cone (type) nozzle (7).
7. Wet chimney demist dust arrester in coal-burning power plant's according to claim 1, is characterized in that: described upper support structure (6) is fixed on chimney outer wall, does not establish the strong point at inner wall of stack (8).
8. Wet chimney demist dust arrester in coal-burning power plant's according to claim 1, is characterized in that: described lower support structure (2) around by corrosion-resistant be flexible coupling compress sturdy with inner wall of stack (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520840097.7U CN205127560U (en) | 2015-10-27 | 2015-10-27 | Coal fired power plant wet chimney defogging dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520840097.7U CN205127560U (en) | 2015-10-27 | 2015-10-27 | Coal fired power plant wet chimney defogging dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205127560U true CN205127560U (en) | 2016-04-06 |
Family
ID=55613385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520840097.7U Active CN205127560U (en) | 2015-10-27 | 2015-10-27 | Coal fired power plant wet chimney defogging dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205127560U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105194934A (en) * | 2015-10-27 | 2015-12-30 | 浙江天地环保工程有限公司 | Demisting and dedusting device for wet chimney of coal-fired power plant |
| CN108096935A (en) * | 2018-02-09 | 2018-06-01 | 江苏鑫复特环保科技有限公司 | Wet-esp outlet drain chimney dehydration device |
| CN108654219A (en) * | 2018-06-05 | 2018-10-16 | 临沂圣大环保工程有限公司 | A kind of demisting deduster |
-
2015
- 2015-10-27 CN CN201520840097.7U patent/CN205127560U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105194934A (en) * | 2015-10-27 | 2015-12-30 | 浙江天地环保工程有限公司 | Demisting and dedusting device for wet chimney of coal-fired power plant |
| CN108096935A (en) * | 2018-02-09 | 2018-06-01 | 江苏鑫复特环保科技有限公司 | Wet-esp outlet drain chimney dehydration device |
| CN108654219A (en) * | 2018-06-05 | 2018-10-16 | 临沂圣大环保工程有限公司 | A kind of demisting deduster |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Hangzhou City, Zhejiang province 310012 Huaxing Road No. 99 (Hangzhou Neusoft business building) Patentee after: ZHEJIANG TIANDI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 310003 Hangzhou City, Fung Fung Road, No. Guoxin real estate building, building 9, building 108 Patentee before: ZHEJIANG TIANDI ENVIRONMENTAL PROTECTION ENGINEERING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang province 310012 Huaxing Road No. 99 (Hangzhou Neusoft business building) Patentee after: Zhejiang Tiandi Environmental Protection Technology Co.,Ltd. Address before: Hangzhou City, Zhejiang province 310012 Huaxing Road No. 99 (Hangzhou Neusoft business building) Patentee before: ZHEJIANG TIANDI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 310012 99 Huaxing Road, Xihu District, Hangzhou, Zhejiang (Hangzhou Neusoft business building) Patentee after: Zhejiang Zheneng Technology Environmental Protection Group Co.,Ltd. Country or region after: China Address before: No.99, Huaxing Road, Hangzhou City, Zhejiang Province (Hangzhou Neusoft venture building) Patentee before: Zhejiang Tiandi Environmental Protection Technology Co.,Ltd. Country or region before: China |