CN108096935A - Wet-esp outlet drain chimney dehydration device - Google Patents
Wet-esp outlet drain chimney dehydration device Download PDFInfo
- Publication number
- CN108096935A CN108096935A CN201810131082.1A CN201810131082A CN108096935A CN 108096935 A CN108096935 A CN 108096935A CN 201810131082 A CN201810131082 A CN 201810131082A CN 108096935 A CN108096935 A CN 108096935A
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- CN
- China
- Prior art keywords
- blowdown stack
- wet
- outer barrel
- chimney
- dehydration device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention relates to wet electrical dust precipitators, are specifically a kind of wet-esp outlet drain chimney dehydration device.It includes the upper shell of wet electrical dust precipitator, and blowdown stack is connected with above the upper shell.Its main feature is that the inner wall of the blowdown stack, which is distributed along the circumference with, catches drop drainage bar, drop drainage bar being longitudinally arranged along blowdown stack is caught.There are swirl-flow devices in the blowdown stack caught below drop drainage bar.The dehydration device can effectively remove the most of moisture in flue gas in wet-esp outlet drain chimney, and simple in structure, low cost, not generate operating cost, and disappearing to discharge flue gas white also has positive effect.
Description
Technical field
The present invention relates to wet electrical dust precipitators, are specifically a kind of wet-esp outlet drain chimney dehydration device.
Background technology
In recent years due to the exacerbation of haze weather, China is for industries such as electric power, steel, chemical industry, nonferrous smelting, cement
SO2, dirt discharge attention degree and management, had reached unprecedented height.
The industries treating tail gas such as electric power, steel, chemical industry, nonferrous smelting, cement has been enter into the minimum discharge stage at present, wherein
Also large-scale application is into the minimum discharge harnessing project of desulfurization afterbody for wet-esp, since wet-esp investment is larger,
In line with the principle of economical rationality when being typically designed, flow velocity has chosen high value on the premise of ensureing that discharge index is up to standard, simultaneously
Since technological process lengthens, smog discharge temperature further reduces, and can generate another secondary pollution-- chimney rain, i.e. wet type
Electric precipitation outlet drain chimney smoke evacuation when, near chimney generate " rainy " phenomenon, and under have in the rain containing dilute H2SO4、
H2SO3、CaSO4、CaSO3, many kinds of substance such as Hg, these substances for example it is in line enter air, air, soil will certainly be polluted.Moreover,
After flue gas discharges chimney, since the water content in flue gas is larger, these moisture return generation refraction effect under light illumination so that cigarette
Gas is in apparent milky.
The conventional method one for solving chimney rain is that heating unit is added at chimney, and the flue gas of discharge is allowed to heat up, and reduces cigarette
The moisture content of gas, while reduce the generation of chimney rain；Second is that add heat sink at chimney, the flue gas cool-down of discharge is allowed, connect
Near-nature forest temperature makes condensation vapor be fallen after rise into water droplet, so as to reduce the generation of chimney rain.Both approaches all greatly increase engineering
Construction investment and production run cost.
The content of the invention
The problem to be solved in the present invention is to provide a kind of wet-esp outlet drain chimney dehydration device, dehydration dress
The most of moisture that can effectively remove in wet-esp outlet drain chimney in flue gas, and simple in structure, low cost are put, no
Operating cost is generated, disappearing to discharge flue gas white also has positive effect.
To solve the above problems, take following technical scheme：
The wet-esp outlet drain chimney of the present invention includes the upper shell of wet electrical dust precipitator, the upper shell with dehydration device
Top is connected with blowdown stack.Its main feature is that the inner wall of the blowdown stack, which is distributed along the circumference with, catches drop drainage bar, drop drainage is caught
Bar being longitudinally arranged along blowdown stack.There are swirl-flow devices in the blowdown stack caught below drop drainage bar.
Wherein, the swirl-flow devices include inner cylinder and outer barrel, and the spiral board of radial arrangement is evenly equipped between inner cylinder and outer barrel, and
Three is in be fixedly connected.There are the supporting beam of lateral arrangement, the swirl-flow devices in the blowdown stack caught below drop drainage bar
Inner cylinder be fixed in the supporting beam, and inner cylinder, outer barrel with blowdown stack be in arranged concentric.
Further improvement of the present invention scheme is that have gap between the outer barrel of the swirl-flow devices and the inner wall of blowdown stack, outside
Annulate lamella is fixed on the corresponding blowdown stack inner wall in cylinder lower section, the lower end of outer barrel is fixed on the ring flat-plate.The blowdown stack
Side wall has liquid outlet, which is located on the outer barrel of ring flat-plate and swirl-flow devices between, and the row of being connected on the outside of liquid outlet
Liquid pipe.
Said program is taken, is had the following advantages：
The wet-esp outlet drain chimney of the present invention is distributed along the circumference with dehydration device in the inner wall of blowdown stack catches drop
Drainage bar catches drop drainage bar being longitudinally arranged along blowdown stack；Catching in the blowdown stack below drop drainage bar has swirl-flow devices.
In use, the flue gas in wet-esp outlet drain chimney first after swirl-flow devices water conservancy diversion, forms scattered and edge around
The air-flow that the rotation of blowdown stack inner wall rises.This strand of air-flow run into catch drop drainage bar when, catch drop drainage bar just as scraper plate
The moisture contained in air-flow is intercepted and is collected, and condenses into water droplet and flows back downwards along drop drainage bar is caught.Therefore, in the dehydration device
Under the action of, the most of moisture in wet-esp outlet drain chimney in flue gas can be intercepted removing, so as to thoroughly solve
Certainly the problem of chimney rain, while disappear to the flue gas of discharge and white also have apparent effect.Moreover, the dehydration device is simple in structure, makes
Valency is low, can reduce engineering construction investment, and swirl-flow devices are fixed, will not generate any operating cost.
Further, gap is set between swirl-flow devices and blowdown stack inner wall, the water droplet of reflux is accepted by ring flat-plate, and
Moisture that can be effectively in recovered flue gas by liquid outlet and drain pipe so that recycle-water can direct circulation put into operation in desulphurization system
In, the rate of water make-up of desulphurization system is substantially reduced, reduces sewage load, energy-saving benefit is considerable.
Description of the drawings
Fig. 1 is the structure diagram of the wet-esp outlet drain chimney dehydration device of the present invention；
Fig. 2 be in Fig. 1 A-A to enlarged view；
Fig. 3 is the enlarged view of B-B direction in Fig. 1（Remove the upper shell of wet electrical dust precipitator）.
Specific embodiment
The present invention is described in further details below in conjunction with attached drawing.
As depicted in figs. 1 and 2, wet-esp outlet drain chimney of the invention includes wet-esp with dehydration device
The upper shell 8 of device, 8 top of upper shell are connected with blowdown stack 1.The blowdown stack 1 uses steel lining resin flake or glass
Steel is made, and highly meets environmental assessment reporting requirement.The inner wall of the blowdown stack 1, which is distributed along the circumference with, catches drop drainage bar 2, catches
Drip being longitudinally arranged along blowdown stack 1 of drainage bar 2.The drop drainage bar 2 of catching is made of steel lining resin flake or fiberglass,
It is uniformly welded on 1 inner wall of blowdown stack using 50 × 50 square tubes, anti-corrosion is carried out with resin flake or fiberglass after welding
Processing, anti-corrosion thickness >=5mm.There are swirl-flow devices in the blowdown stack 1 for catching 2 lower section of drop drainage bar.
As shown in figures 1 and 3, the swirl-flow devices include inner cylinder 3 and outer barrel 5, are evenly equipped between inner cylinder 3 and outer barrel 5 radially
The spiral board 4 of arrangement, and three is in be fixedly connected.There is the branch of lateral arrangement in the blowdown stack 1 for catching 2 lower section of drop drainage bar
Beam 7 is supportted, the inner cylinder 3 of the swirl-flow devices is fixed in the supporting beam 7, and inner cylinder 3, outer barrel 5 are in concentric cloth with blowdown stack 1
It puts.
For the ease of installing, constructing, the swirl-flow devices are made of all-glass fibre reinforced plastic.The spiral board 4 is using export-oriented shape
Formula, for eddy flow angle generally at 35 ° -45 °, the saturation vapour allowed in condensing droplet and flue gas does centrifugation diffusion fortune by spiral board 4
Dynamic, gas is rotated to 1 inner wall of blowdown stack, is contacted with catching drop drainage bar 2.At this point, catching drop drainage bar 2 is similar to scraper plate, maximum journey
Degree ground intercepts the drop and saturation vapour collected in flue gas, and them is made to agglomerate reflux downwards.
There are gap, the corresponding blowdown stack 1 in 5 lower section of outer barrel between the outer barrel 5 of the swirl-flow devices and the inner wall of blowdown stack 1
Annulate lamella 6 is fixed on inner wall, the lower end of outer barrel 5 is fixed on the ring flat-plate 6.Swirl-flow devices outer barrel 5,1 inner wall of blowdown stack and ring
Plate 6 forms the afflux weir of one of annular.In the present embodiment, the gap between 1 inner wall of swirl-flow devices outer barrel 5 and blowdown stack is
100mm, fluid loss, is sealed between outer barrel 5 and ring flat-plate 6 with fiberglass in order to prevent, then can ensure that from drop drainage bar 2 is caught to next time
The liquid of stream is all flowed into afflux weir.The side wall of the blowdown stack 1 has liquid outlet, which is located at ring flat-plate 6 and eddy flow
On the outer barrel 5 of device between, and drain pipe 9 is connected on the outside of liquid outlet.Drain pipe 9 is made by fiberglass, main function
It is to guide the liquid in afflux weir into outside, is discharged into the reservoir or melt pit of desulphurization system.
The present invention wet-esp outlet drain chimney dehydration device is simple in structure, low cost, with obvious effects, can be thorough
Bottom solve blowdown stack 1 occur 1 rain phenomenon of chimney, while to discharge flue gas disappear it is white also have positive effect, application prospect is very wide
It is general.By test run, DATA REASONING, which can recycle nearly 20 tons of water for one day, and the water of recycling is directly recyclable to be thrown
Fortune substantially reduces the rate of water make-up of desulphurization system, reduces sewage load, energy-saving benefit is considerable in desulphurization system.
Claims (3)
1. wet-esp outlet drain chimney dehydration device, the upper shell including wet electrical dust precipitator（8）, the upper shell
（8）Top is connected with blowdown stack（1）；It is characterized in that the blowdown stack（1）Inner wall be distributed along the circumference with catch drop drainage
Bar（2）, catch drop drainage bar（2）Along blowdown stack（1）Be longitudinally arranged；It is described to catch drop drainage bar（2）The blowdown stack of lower section
（1）Inside there are swirl-flow devices.
2. wet-esp outlet drain chimney dehydration device as described in claim 1, it is characterised in that the eddy flow dress
It puts including inner cylinder（3）And outer barrel（5）, inner cylinder（3）And outer barrel（5）Between be evenly equipped with the spiral board of radial arrangement（4）, and three is in solid
Fixed connection；It is described to catch drop drainage bar（2）The blowdown stack of lower section（1）Inside there is the supporting beam of lateral arrangement（7）, the swirl-flow devices
Inner cylinder（3）It is fixed on the supporting beam（7）On, and inner cylinder（3）, outer barrel（5）And blowdown stack（1）In arranged concentric.
3. wet-esp outlet drain chimney dehydration device as claimed in claim 2, it is characterised in that the eddy flow dress
The outer barrel put（5）With blowdown stack（1）Inner wall between have gap, outer barrel（5）The corresponding blowdown stack in lower section（1）It is fixed on inner wall
Annulate lamella（6）, outer barrel（5）Lower end be fixed on the ring flat-plate（6）On；The blowdown stack（1）Side wall have liquid outlet, this goes out liquid
Mouth is located at ring flat-plate（6）With the outer barrel of swirl-flow devices（5）Between upper edge, and drain pipe is connected on the outside of liquid outlet（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810131082.1A CN108096935A (en) | 2018-02-09 | 2018-02-09 | Wet-esp outlet drain chimney dehydration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810131082.1A CN108096935A (en) | 2018-02-09 | 2018-02-09 | Wet-esp outlet drain chimney dehydration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108096935A true CN108096935A (en) | 2018-06-01 |
Family
ID=62222023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810131082.1A Pending CN108096935A (en) | 2018-02-09 | 2018-02-09 | Wet-esp outlet drain chimney dehydration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108096935A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113731026A (en) * | 2021-08-05 | 2021-12-03 | 中石化宁波工程有限公司 | Tower top water droplet separation structure |
| CN113856337A (en) * | 2021-11-03 | 2021-12-31 | 沧州万润环保设备有限公司 | Cyclone dehydration dust collector and dust-containing water vapor dehydration dust removal system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11151426A (en) * | 1997-11-19 | 1999-06-08 | Ishikawajima Harima Heavy Ind Co Ltd | Flue gas desulfurizer integrated to chimney |
| CN202778256U (en) * | 2012-08-10 | 2013-03-13 | 北京中科创新园环境技术有限公司 | Desulfurizing tower of dewatering and demisting straight moisture-removing chimney arranged at device |
| CN205002135U (en) * | 2015-04-16 | 2016-01-27 | 北京博朗环境工程技术股份有限公司 | Cigarette tower unification wet flue gas desulfurization eliminates tornado steel stack of " gypsum rain " |
| CN205127560U (en) * | 2015-10-27 | 2016-04-06 | 浙江天地环保工程有限公司 | Coal fired power plant wet chimney defogging dust collector |
| CN206809920U (en) * | 2017-04-28 | 2017-12-29 | 江苏科行环保科技有限公司 | One kind vortex coalescer and vortex coalescence device |
| CN208018280U (en) * | 2018-02-09 | 2018-10-30 | 江苏鑫复特环保科技有限公司 | Wet-esp outlet drain chimney dehydration device |
-
2018
- 2018-02-09 CN CN201810131082.1A patent/CN108096935A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11151426A (en) * | 1997-11-19 | 1999-06-08 | Ishikawajima Harima Heavy Ind Co Ltd | Flue gas desulfurizer integrated to chimney |
| CN202778256U (en) * | 2012-08-10 | 2013-03-13 | 北京中科创新园环境技术有限公司 | Desulfurizing tower of dewatering and demisting straight moisture-removing chimney arranged at device |
| CN205002135U (en) * | 2015-04-16 | 2016-01-27 | 北京博朗环境工程技术股份有限公司 | Cigarette tower unification wet flue gas desulfurization eliminates tornado steel stack of " gypsum rain " |
| CN205127560U (en) * | 2015-10-27 | 2016-04-06 | 浙江天地环保工程有限公司 | Coal fired power plant wet chimney defogging dust collector |
| CN206809920U (en) * | 2017-04-28 | 2017-12-29 | 江苏科行环保科技有限公司 | One kind vortex coalescer and vortex coalescence device |
| CN208018280U (en) * | 2018-02-09 | 2018-10-30 | 江苏鑫复特环保科技有限公司 | Wet-esp outlet drain chimney dehydration device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113731026A (en) * | 2021-08-05 | 2021-12-03 | 中石化宁波工程有限公司 | Tower top water droplet separation structure |
| CN113731026B (en) * | 2021-08-05 | 2023-03-14 | 中石化宁波工程有限公司 | Tower top water drop separation structure |
| CN113856337A (en) * | 2021-11-03 | 2021-12-31 | 沧州万润环保设备有限公司 | Cyclone dehydration dust collector and dust-containing water vapor dehydration dust removal system |
| CN113856337B (en) * | 2021-11-03 | 2024-07-12 | 沧州万润环保设备有限公司 | Rotational flow dehydration dust remover and dust-containing water vapor dehydration dust removal system |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230804 Address after: Room 306, No. 155 Jiahe Garden, No. 540 Jingxi Middle Road, Yicheng Street, Yixing City, Wuxi City, Jiangsu Province, 214200 Applicant after: Zhu Yongbing Address before: 214201 Xinfeng Environmental Protection Group, Songdu Village, Gaocheng Town, Yixing City, Wuxi City, Jiangsu Province Applicant before: JIANGSU XINFUTE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |