CN204294008U - A kind of tubular type spin line demister for wet flue gas - Google Patents
A kind of tubular type spin line demister for wet flue gas Download PDFInfo
- Publication number
- CN204294008U CN204294008U CN201420767323.9U CN201420767323U CN204294008U CN 204294008 U CN204294008 U CN 204294008U CN 201420767323 U CN201420767323 U CN 201420767323U CN 204294008 U CN204294008 U CN 204294008U
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- pipe
- header tank
- large pipe
- housing
- demister
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Abstract
The utility model relates to a kind of tubular type spin line demister for wet flue gas.Its technical scheme is: little pipe (5) and large pipe (7) are concentricity to be airtightly fixedly connected with, and large pipe (7) inwall is fixed with installing rack (6); Cylindrical shell (10) openend is fixed on the installing plate (9) of installing rack (6), and cylindrical shell (10) other end communicates with one end of conduit (11).Fiber line net (14) is equipped with at the close round edge place of the disk (15) of whirligig (3), and variable-frequency motor (12) is fixed on the center position of installing plate (9); The output shaft of variable-frequency motor (12) is connected with connecting rod (16) coaxial line through installing plate (9); Header tank (4) is welded as a whole with the header tank connecting hole of large pipe (7); Angle α=0 ~ 45 ° of the axis of header tank (4) and the end face of large pipe (7).The utility model has that demisting efficiency is high, resistance is little, strong without blocking, ant-scaling, reliability, without floor space, the direct feature be connected with different angle flue.
Description
Technical field
The utility model relates to a kind of wet flue gas demister.Particularly relate to a kind of tubular type spin line demister for wet flue gas.
Background technology
Demister is the key equipment in wet dedusting, flue gas desulfurization and denitrification system.Saturated wet flue gas after wet dedusting, desulfurizing and denitrifying process is removed most of drop through demister, and the flue gas after up to standard is discharged through chimney.At present, demister mainly contains deflection plate demister, cyclone demister, mesh mist eliminator and wet-type electrostatic defroster.
Deflection plate demister resistance is little, structure is simple, demist for thick drop effective (willow, Wang Shihe, Wang little Ming. the research of Characteristics of A Sulfur Removal Demister. Chinese power engineering journal .2005,25 (2): 289-292), use in large desulfurization equipment more.But deflection plate demister is limited for the removal effect of fine droplets, can not remove the fine particle in flue gas, the change in flow of flue gas is larger on demisting efficiency impact simultaneously.
Cyclone demister is that air-flow tangentially enters cylindrical shell, forms swirling eddy, makes droplet centrifugation be deposited to barrel to trap water smoke.Its demisting efficiency is higher, but resistance is comparatively large, usually more than 1000Pa, and is not suitable for processing large exhaust gas volumn.
Towards dawn east, He Mingli discloses " a kind of Self-spinning type impeller defogger " (ZL200920087980.8) patented technology, rotary blade is directly installed in pipeline by this technology, does not need drive motors.Rotate freely at the lower blade that blows containing fog stream, resistance significantly declines, and demisting efficiency is higher than rotational flow plate defroster.If multiple impeller demister in parallel, can process large exhaust gas volumn in the duct.Though this demister has energy-conservation advantage, impeller is passive rotation, and demisting efficiency is limited.
Mesh mist eliminator (Hang Desen, Zhang Chengkun. the development & application of new type of fibre mist eliminator. sulfuric acid industry .2007 (2): 37-40) demisting efficiency relatively high, but process containing fog dust gas time easily block.
Patented technology that Liu Dingping, Xu Kaihua, Liu Chang etc. disclose " a kind of Intelligent anti-blocking demister for wet process of FGD " (ZL 201120393236.6), this technology demister system is made up of swing type deflection plate demist layer and silk screen demist layer, lower floor's swing type deflection plate demist layer removes thick drop, reduce fouling and clogging, upper strata silk screen demist layer removing water mists, improves demisting efficiency.But complex structure, easy break-down.
(ZL200820053167.3) patented technology that Yin little Lin discloses " can synchronous flue gas desulfurization rotary dust separation defroster ".This technology is in air duct, install demist dish, and demist dish is made up of metal thread bar, drives demist dish to rotate by motor, and the droplet being attached on silk rod surface gets rid of to air duct limit wall by centrifugal force.Though this demister can improve demisting efficiency, when demist dish High Rotation Speed, the droplet being attached to silk rod surface easily comes off, and droplet breakup, can form thinner droplet simultaneously, limit the further raising except fog effect.In addition, when processing large exhaust gas volumn, demist dish size is large, and weight increases, and not only energy consumption increases, and the reliability of demister reduces.
Wet-type electrostatic defroster is used widely in demist, dedusting, the removal of mercury etc. because its demisting efficiency is high, resistance is little, treatment quantity is large.But the shortcoming such as have that body is huge, floor space is large, it is high to invest and maintenance workload is large.In addition, the corrosion and scaling problem of electrostatic precipitator is not also solved very well.
In sum, the subject matter that existing demist technology exists is: deflection plate demister efficiency is low, and cyclone demister resistance is large, and mesh mist eliminator easily blocks, and electrostatic precipitator floor space is large; Above-mentioned demister works long hours and also there is the problem of fouling under wet environment, and all needs separately to establish air inlet pipe to be connected with flue with blast pipe separately.
Summary of the invention
The utility model is intended to the defect overcoming prior art, and object is to provide that a kind of demisting efficiency is high, resistance is little, without blocking, ant-scaling, the energy direct tubular type spin line demister for wet flue gas that with the flue of different angle be connected strong without floor space, reliability.
For achieving the above object, the technical scheme that the utility model adopts is: described demister is made up of housing, seal box, whirligig and header tank.
Housing comprises little pipe, installing rack and large pipe.Little pipe and large pipe are concentricity to be airtightly fixedly connected with, and the inwall of large pipe is fixed with installing rack.Installing rack is made up of two parallel girder steels and installing plate, and installing plate is fixed on the middle position of two parallel girder steels, and the end face of little pipe is close to by two girder steels.The tube wall of large pipe is provided with header tank connecting hole, and the two ends of housing are provided with ring flange, and two ring flanges are identical.
Seal box comprises cylindrical shell and conduit.The openend of cylindrical shell is fixed on the installing plate of installing rack, and the other end of cylindrical shell communicates with one end of conduit, and the other end of conduit communicates with air through the little pipe of housing.
Whirligig comprises variable-frequency motor, patchboard and fiber line net.Patchboard is made up of disk, connecting rod and hemispherical housing, and at the center position of disk one side, connecting rod is housed, the another side of disk is fixed with hemispherical housing.Fiber line net is equipped with at the close round edge place of disk, and variable-frequency motor is fixed on the center position of the installing plate of installing rack, and variable-frequency motor is positioned at cylindrical shell.The output shaft of variable-frequency motor is connected with connecting rod coaxial line through installing plate.
Header tank is funnel-form, and the header tank connecting hole of the large end of header tank and the large pipe of housing is welded as a whole, and the small end of header tank is equipped with valve body.Angle α=0 ~ 45 ° of the end face of the axis of header tank and the large pipe of housing, described angle α is also the angle of connected flue and horizontal plane.
Diameter 20 ~ the 30mm larger than the diameter of hemispherical housing of described disk, is evenly provided with 16 ~ 32 wiring holes at the submarginal circumference place of disk.
The diameter of described little pipe is identical with the diameter of be connected flue.
Diameter 500 ~ the 800mm larger than the diameter of little pipe of described large pipe.
Described fiber line net is formed by warp and weft knit, one end of warp is connected with the wiring hole of disk, little 50 ~ the 100mm of radius of the large pipe of proportion of meridian length, the length of outermost layer parallel is 2.5 ~ 3 times of large round tube inner wall diameter, and between parallel, spacing is 300 ~ 500mm.
Owing to adopting technique scheme, the utility model compared with prior art has following beneficial effect:
(1) when colliding through the fiber line net of High Rotation Speed and fiber line net containing fog dust gas, tackle by fiber line net, and be thrown toward large tube wall along warp under the influence of centrifugal force; The water be separated and grit flow into header tank along large tube wall, and the flue gas after purification is directly discharged, and the gas-liquid (gas-solid) realized containing fog dust gas is separated.The utility model is abundant make use of the compound demist effect such as collision, interception, centrifugation of fiber line net to water smoke, therefore demisting efficiency is high.
(2) resistance that the utility model is in operation mainly comes from the fiber line net of rotation, and because the space of fiber line net is comparatively large, area of passage is large, and therefore overcurrent drag losses is little, and can not block.
(3) fiber line net in the utility model adopts the braiding of flexible fiber line to form, and flexible fiber line self can constantly be shaken in high-speed rotation, and the water smoke be blocked and grit cannot be attached on fiber line net, therefore less scaling.
(4) the utility model is before operation, and fiber line net naturally droops along the outer surface of hemispherical housing, avoid between single and the winding of single and connecting rod, wearing and tearing; The utility model operationally, is entered by little pipe containing fog dust gas, and rotary centrifugal force and the air-flow of forward blowing over impel fiber line net to launch, and the flue gas after demist purification is discharged through large pipe, realize following current effect, therefore Engineering Reliability is strong.
(5) angle α=0 ~ 45 ° of the axis of the header tank 4 in the utility model and the end face of large pipe 7, namely header tank 4 is variable with the setting angle α of large pipe 7, to be applicable to the different angles of original flue and horizontal plane, without the need to changing inclination angle and the trend of original flue, just be directly installed on connected flue by flange, and can ensure that the axis of header tank is perpendicular to the ground, therefore connect simple and without the need to floor space, be applicable to the place of land used anxiety and limited space, engineering adaptability is strong.
Therefore, the utility model have that demisting efficiency is high, resistance is little, strong without blocking, ant-scaling, Engineering Reliability, without floor space, the direct feature be connected with different angle flue.Be widely used in the fields such as demist, clarifying smoke, the purification of desulphurization denitration tail-gas deep.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is another kind of structural representation of the present utility model;
Fig. 3 is the structural representation of Fig. 1 middle shell 1;
Fig. 4 is the structure enlarged diagram of installing rack 6 in Fig. 3;
Fig. 5 is the structure enlarged diagram of seal box 2 in Fig. 1 or Fig. 2;
Fig. 6 is the structure enlarged diagram of whirligig 3 in Fig. 1 or Fig. 2;
Fig. 7 is the structure enlarged diagram of patchboard 13 in Fig. 6;
Fig. 8 is the structural representation of header tank 4 in Fig. 1;
Fig. 9 is the structural representation of header tank 4 in Fig. 2.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is further described, the restriction not to the utility model protection domain.
embodiment 1
A kind of tubular type spin line demister for wet flue gas.As shown in Figure 1, described demister is made up of housing 1, seal box 2, whirligig 3 and header tank 4.
As shown in Figure 3, housing 1 comprises little pipe 5, installing rack 6 and large pipe 7, and little pipe 5 and large pipe 7 are concentricity to be airtightly fixedly connected with, and the inwall of large pipe 7 is fixed with installing rack 6.As shown in Figure 4, installing rack 6 is made up of two parallel girder steels 8 and installing plate 9.As shown in Figure 3 and Figure 4, installing plate 9 is fixed on the middle position of two parallel girder steels 8, and the end face of little pipe 5 is close to by two girder steels 8.The tube wall of large pipe 7 is provided with header tank connecting hole, and the two ends of housing 1 are provided with ring flange, and two ring flanges are identical.
As shown in Figure 5, seal box 2 comprises cylindrical shell 10 and conduit 11.As shown in Figure 1 and Figure 5, the openend of cylindrical shell 10 is fixed on the installing plate 9 of installing rack 6, and the other end of cylindrical shell 10 communicates with one end of conduit 11, and the other end of conduit 11 communicates with air through the little pipe 5 of housing 1.
As shown in Figure 6, whirligig 3 comprises variable-frequency motor 12, patchboard 13 and fiber line net 14.As shown in Figure 7, patchboard 13 is made up of disk 15, connecting rod 16 and hemispherical housing 17, and at the center position of disk 15 one side, connecting rod 16 is housed, the another side of disk 15 is fixed with hemispherical housing 17.As shown in Fig. 1 Fig. 6 and Fig. 7, fiber line net 14 is equipped with at the close round edge place of disk 15, and variable-frequency motor 12 is fixed on the center position of the installing plate 9 of installing rack 6, and variable-frequency motor 12 is positioned at cylindrical shell 10.The output shaft of variable-frequency motor 12 is connected with connecting rod 16 coaxial line through installing plate 9.
As shown in Figure 8, header tank 4 is in funnel-form, and the header tank connecting hole of the large end of header tank 4 and the large pipe 7 of housing 1 is welded as a whole, and the small end of header tank 4 is equipped with valve body.Angle α=30 ° of the end face of the axis of header tank 4 and the large pipe 7 of housing 1, described angle α is also the angle of connected flue and horizontal plane.
Diameter 20 ~ the 25mm larger than the diameter of hemispherical housing 17 of described disk 15, is evenly provided with 16 ~ 28 wiring holes at the submarginal circumference place of disk 15.
The diameter of described little pipe 5 is identical with the diameter of be connected flue.
Diameter 600 ~ the 800mm larger than the diameter of little pipe 5 of described large pipe 7.
Described fiber line net 14 is formed by warp and weft knit, one end of warp is connected with the wiring hole of disk 15, little 50 ~ the 80mm of radius of the large pipe of proportion of meridian length 7, the length of outermost layer parallel is 2.5 ~ 3 times of large pipe 7 inner diameter, and between parallel, spacing is 300 ~ 400mm.
embodiment 2
A kind of tubular type spin line demister for wet flue gas.As shown in Figure 2, described demister is made up of housing 1, seal box 2, whirligig 3 and header tank 4.Housing 1 wherein, seal box 2 are identical with embodiment 1 with the structure of whirligig 3.
As shown in Figure 9, header tank 4 is in funnel-form, and the header tank connecting hole of the large end of header tank 4 and the large pipe 7 of housing 1 is welded as a whole, and the small end of header tank 4 is equipped with valve body.Angle α=0 ° of the end face of the axis of header tank 4 and the large pipe 7 of housing 1, namely connected flue is horizontal flue.
Diameter 25 ~ the 30mm larger than the diameter of hemispherical housing 17 of described disk 15, is evenly provided with 20 ~ 32 wiring holes at the submarginal circumference place of disk 15.
The diameter of described little pipe 5 is identical with the diameter of be connected flue.
Diameter 500 ~ the 600mm larger than the diameter of little pipe 5 of described large pipe 7.
Described fiber line net 14 is formed by warp and weft knit, the little 70 ~ 100mm of radius of the large pipe of proportion of meridian length 7, and the length of outermost layer parallel is 2.5 ~ 3 times of large pipe 7 inner diameter, and between parallel, spacing is 400 ~ 500mm.
embodiment 3
A kind of tubular type spin line demister for wet flue gas.Except following technical parameter, all the other are with embodiment 1:
The angle α of the end face of the axis of header tank 4 and the large pipe 7 of housing 1 is greater than 0 ° and the angle α being less than the end face of 30 ° or the axis of header tank 4 and the large pipe 7 of housing 1 is greater than 30 ° and is less than 45 °.
This detailed description of the invention compared with prior art has following beneficial effect:
(1) when containing fog dust gas when the fiber line net 14 of High Rotation Speed and fiber line net 14 collide, tackle by fiber line net 14, and be thrown toward large pipe 7 tube wall along warp under the influence of centrifugal force; The water be separated and grit flow into header tank 4 along large pipe 7 tube wall, and the flue gas after purification is directly discharged, and realize the gas-liquid gas solid separation containing fog dust gas.This detailed description of the invention is abundant make use of the compound demist effect such as collision, interception, centrifugation of fiber line net 14 pairs of water smokes, therefore demisting efficiency is high.
(2) resistance that this detailed description of the invention is in operation mainly comes from the fiber line net 14 of rotation, and because the space of fiber line net 14 is comparatively large, area of passage is large, and therefore overcurrent drag losses is little, and can not block.
(3) fiber line net 14 in this detailed description of the invention adopts flexible fiber line to weave and forms, and flexible fiber line self can constantly be shaken in high-speed rotation, and the water smoke be blocked and grit cannot be attached on fiber line net 14, therefore less scaling.
(4) this detailed description of the invention is before operation, and fiber line net 14 naturally droops along the outer surface of hemispherical housing 17, avoid between single and the winding of single and connecting rod 16, wearing and tearing; This detailed description of the invention operationally, is entered by little pipe 5 containing fog dust gas, and rotary centrifugal force and the air-flow of forward blowing over impel fiber line net 14 to launch, and the flue gas after demist purification is discharged through large pipe 7, realize following current effect, therefore Engineering Reliability is strong.
(5) header tank 4 in this detailed description of the invention and setting angle α=0 ~ 45 ° of large pipe 7, namely header tank 4 is variable with the setting angle α of large pipe 7, to be applicable to the different angles of original flue and horizontal plane, without the need to changing inclination angle and the trend of original flue, just be directly installed on connected flue by flange, and can ensure that the axis of header tank 4 is perpendicular to the ground, therefore connect simple and without the need to floor space, be applicable to the place of land used anxiety and limited space, engineering adaptability is strong.
Therefore, this detailed description of the invention have that demisting efficiency is high, resistance is little, strong without blocking, ant-scaling, Engineering Reliability, without floor space, the direct feature be connected with different angle flue.Be widely used in the fields such as demist, clarifying smoke, the purification of desulphurization denitration tail-gas deep.
Claims (5)
1. for a tubular type spin line demister for wet flue gas, it is characterized in that: demister is made up of housing (1), seal box (2), whirligig (3) and header tank (4);
Housing (1) comprises little pipe (5), installing rack (6) and large pipe (7), and little pipe (5) and large pipe (7) are concentricity to be airtightly fixedly connected with, and the inwall of large pipe (7) is fixed with installing rack (6); Installing rack (6) is made up of two parallel girder steels (8) and installing plate (9), and installing plate (9) is fixed on the middle position of two parallel girder steels (8), and two girder steels (8) are close to the end face of little pipe (5); The tube wall of large pipe (7) is provided with header tank connecting hole, and the two ends of housing (1) are provided with ring flange, and two ring flanges are identical;
Seal box (2) comprises cylindrical shell (10) and conduit (11); The openend of cylindrical shell (10) is fixed on the installing plate (9) of installing rack (6), and the other end of cylindrical shell (10) communicates with one end of conduit (11), and the other end of conduit (11) communicates with air through the little pipe (5) of housing (1);
Whirligig (3) comprises variable-frequency motor (12), patchboard (13) and fiber line net (14); Patchboard (13) is made up of disk (15), connecting rod (16) and hemispherical housing (17), and at the center position of disk (15) one side, connecting rod (16) is housed, the another side of disk (15) is fixed with hemispherical housing (17); Fiber line net (14) is equipped with at the close round edge place of disk (15), and variable-frequency motor (12) is fixed on the center position of the installing plate (9) of installing rack (6), and variable-frequency motor (12) is positioned at cylindrical shell (10); The output shaft of variable-frequency motor (12) is connected with connecting rod (16) coaxial line through installing plate (9);
Header tank (4) is in funnel-form, and the header tank connecting hole of the large end of header tank (4) and the large pipe (7) of housing (1) is welded as a whole, and the small end of header tank (4) is equipped with valve body; Angle α=0 ~ 45 ° of the end face of the axis of header tank (4) and the large pipe (7) of housing (1).
2. according to claim 1 for the tubular type spin line demister of wet flue gas, it is characterized in that the diameter of described disk (15) 20 ~ 30mm larger than the diameter of hemispherical housing (17), be evenly provided with 16 ~ 32 wiring holes at the submarginal circumference place of disk (15).
3., according to claim 1 for the tubular type spin line demister of wet flue gas, it is characterized in that the diameter of described little pipe (5) is identical with the diameter of be connected flue.
4., according to claim 1 for the tubular type spin line demister of wet flue gas, it is characterized in that the diameter of described large pipe (7) 500 ~ 800mm larger than the diameter of little pipe (5).
5. according to claim 1 for the tubular type spin line demister of wet flue gas, it is characterized in that described fiber line net (14) is formed by warp and weft knit, one end of warp is connected with the wiring hole of disk (15), little 50 ~ the 100mm of radius of the large pipe of proportion of meridian length (7), the length of outermost layer parallel is 2.5 ~ 3 times of large pipe (7) inner diameter, and between parallel, spacing is 300 ~ 500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420767323.9U CN204294008U (en) | 2014-12-09 | 2014-12-09 | A kind of tubular type spin line demister for wet flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420767323.9U CN204294008U (en) | 2014-12-09 | 2014-12-09 | A kind of tubular type spin line demister for wet flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204294008U true CN204294008U (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420767323.9U Withdrawn - After Issue CN204294008U (en) | 2014-12-09 | 2014-12-09 | A kind of tubular type spin line demister for wet flue gas |
Country Status (1)
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| CN (1) | CN204294008U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492169A (en) * | 2014-12-09 | 2015-04-08 | 武汉科技大学 | Cocurrent type coiling-free cycloid demisting device |
| CN108187410A (en) * | 2018-03-20 | 2018-06-22 | 成都信息工程大学 | A kind of infant industry demister |
| CN108355405A (en) * | 2018-04-13 | 2018-08-03 | 苏州中新动力科技股份有限公司 | High-temperature corrosion resistance power demister |
-
2014
- 2014-12-09 CN CN201420767323.9U patent/CN204294008U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492169A (en) * | 2014-12-09 | 2015-04-08 | 武汉科技大学 | Cocurrent type coiling-free cycloid demisting device |
| CN104492169B (en) * | 2014-12-09 | 2016-03-16 | 武汉科技大学 | A kind of downflow type is without winding spin line demister |
| CN108187410A (en) * | 2018-03-20 | 2018-06-22 | 成都信息工程大学 | A kind of infant industry demister |
| CN108355405A (en) * | 2018-04-13 | 2018-08-03 | 苏州中新动力科技股份有限公司 | High-temperature corrosion resistance power demister |
| CN108355405B (en) * | 2018-04-13 | 2023-12-26 | 苏州中新动力科技股份有限公司 | High-temperature corrosion resistant power demisting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150429 Effective date of abandoning: 20160316 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |