CN110280069B - Double-layer mist catching device for bending type flue gas desulfurization tower - Google Patents
Double-layer mist catching device for bending type flue gas desulfurization tower Download PDFInfo
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- CN110280069B CN110280069B CN201910627193.6A CN201910627193A CN110280069B CN 110280069 B CN110280069 B CN 110280069B CN 201910627193 A CN201910627193 A CN 201910627193A CN 110280069 B CN110280069 B CN 110280069B
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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
- B01D45/04—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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- 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
- B01D45/18—Cleaning-out devices
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Abstract
The invention provides a double-layer mist catching device for a bending type flue gas desulfurization tower, and relates to the technical field of flue gas desulfurization. This fog device is caught with double-deck to bent type flue gas desulfurization tower, including the tower body, the inside fixed mounting of tower body has last fog device and lower fog device of catching, a first cylinder section of thick bamboo fixed mounting is in the inside of tower body, the inside fixed mounting of a first cylinder section of thick bamboo has the wave form board, a second cylinder section of thick bamboo fixed mounting is in the inside of tower body. This fog device is caught with double-deck to formula of bending flue gas desulfurization tower, when the flue gas velocity of flow becomes fast, can increase the range of bending that makes the mist catching plate, and resume after the flue gas velocity of flow is normal, when not influencing defogging efficiency, promoted the defogging effect to high-speed flue gas, and at the in-process that mist catching plate turning angle changes, can make the better breaking away from of dust of mist catching plate turning gathering, catch the liquid drop that the fog device drips and drop on the cooperation, effectively prevented the jam of catching the fog device.
Description
Technical Field
The invention relates to the technical field of flue gas desulfurization, in particular to a double-layer mist catching device for a bent flue gas desulfurization tower.
Background
The flue gas desulfurization tower is tower equipment for carrying out desulfurization treatment on industrial waste gas, has easy maintenance, and has the advantages of achieving the effects of dust removal, desulfurization and denitrification simultaneously by preparing different dust removing agents, is most common in coal-fired power plants, and a mist catching device is arranged at the top of the desulfurization tower, and has the main function of catching fog particles and slurry drops carried in flue gas in the process of spray absorption, so as to prevent desulfurization liquid from being carried out by coal gas.
And at the in-process that the fog catcher defogged, there was higher requirement to the velocity of flow of flue gas, if the flue gas velocity of flow is too high easily causes the flue gas secondary to take water, and at the in-process that the flue gas passes through the fog catching plate fast, can't make the fog form the liquid droplet in time, thereby the efficiency of defogging has been reduced, and the fog catching plate of traditional fog catcher is fixed mounting, can't carry out timely adjustment according to the flue gas velocity of flow, at the in-process of defogging, the liquid droplet can be at the turn of fog catching plate gathering and drippage, nevertheless impurity and dust in the flue gas also can pile up in the turn simultaneously, after using for a long time, will make the phenomenon that the fog catcher appears blockking up, not only the fog catching effect descends, also can make the flue gas normally discharge.
In order to solve the problems, the inventor provides a double-layer mist catching device for a bent flue gas desulfurization tower, when the flow rate of flue gas is high, the bending amplitude of a mist catching plate can be increased, the double-layer mist catching device is recovered after the flow rate of the flue gas is normal, the mist removing effect on high-speed flue gas is improved while the mist removing efficiency is not influenced, in the process that the turning angle of the mist catching plate is changed, dust gathered at the turning position of the mist catching plate can be better separated from the turning position of the mist catching plate, the dust drops drop by matching with the upper mist catching device, and the blockage of the mist catching device is effectively prevented.
Disclosure of Invention
In order to achieve the purpose, the invention is realized by the following technical scheme: a double-layer mist catching device for a bending type flue gas desulfurization tower comprises a tower body, an upper mist catching device and a lower mist catching device.
Wherein, the upper mist catching device comprises a first cylindrical barrel and a corrugated plate.
The lower mist catching device comprises a second cylindrical barrel, a mist catching plate, a rectangular frame, a sliding groove, a connecting plate, a round hole, sawteeth, a gear and fan blades.
Wherein, the mist catching plate comprises a vertical plate, a slide rod, a guide rail groove, a telescopic plate, an upper inclined plate and a lower inclined plate.
Wherein:
the inner part of the tower body is fixedly provided with an upper mist catching device and a lower mist catching device, the upper mist catching device and the lower mist catching device are both positioned at the top of the inner part of the tower body, the upper mist catching device is positioned above the lower mist catching device and comprises a first cylindrical barrel and a corrugated plate, the first cylindrical barrel is fixedly arranged in the tower body, the corrugated plate is fixedly arranged in the first cylindrical barrel, the second cylindrical barrel is fixedly arranged in the tower body, the mist catching plate is fixedly arranged in the second cylindrical barrel, the rear end of the second cylindrical barrel is provided with a groove, the sliding rods all penetrate through the groove, the rear end of the second cylindrical barrel is fixedly provided with a rectangular frame, the inner part of the rectangular frame is provided with a sliding groove, the inner part of the sliding groove is connected with a connecting plate in a sliding manner, the inner part of the connecting plate is provided with a round hole, and the front end of the bottom of the connecting plate is provided with sawteeth, the front end meshing of sawtooth has the gear, the bottom transmission of gear is connected with the flabellum, the center fixed mounting of riser has the slide bar, the guide rail groove has been seted up to the upper and lower both sides of riser, the inside sliding connection in guide rail groove has the expansion plate, the expansion plate of upper and lower both sides rotates respectively and is connected with tilt plate and lower tilt plate.
Preferably, the section of the corrugated plate in the vertical direction is S-shaped, so that the contact area of the corrugated plate and the flue gas is increased, and the flue gas can better impact on the corrugated plate to form liquid drops.
Preferably, the width of the sliding groove is greater than that of the connecting plate, the number of the circular holes in the connecting plate is equal to that of the sliding rods, and one end of each sliding rod is fixedly connected in each circular hole, so that the connecting plate can slide in the sliding groove and drive all the sliding rods to slide synchronously.
Preferably, the upper inclined plate and the lower inclined plate are symmetrical with each other about the vertical plate, and the front end and the rear end of the upper inclined plate and the rear end of the lower inclined plate are respectively connected with the upper side and the lower side of the interior of the second cylindrical barrel in a rotating mode, so that the upper inclined plate and the lower inclined plate can rotate simultaneously in the process that the vertical plate moves towards the right side.
Preferably, fixedly connected with reset torsion spring in the pivot of flabellum, and when the flabellum received ascending wind-force, for anticlockwise rotation from the bottom observation for the flabellum can utilize drive mechanism to drive the connecting plate and move right when receiving the quick flue gas that the tower body blew off, and when the flue gas velocity of flow recovered normal, gyration to initial position.
The invention provides a double-layer mist catching device for a bending type flue gas desulfurization tower. The method has the following beneficial effects:
1. this fog device is caught with double-deck to formula of bending flue gas desulfurization tower through the design of catching the fog device down, at the in-process that flue gas velocity of flow becomes fast, can make the range of bending grow of catching the fog board to make the flue gas can't pass from catching the fog board fast, improved the defogging effect of catching the fog board, and resume normal back at the flue gas velocity of flow, catch the fog board and get back to initial position, can not influence the normal flow of flue gas, make defogging efficiency can not receive the influence.
2. This fog device is caught with double-deck to formula of bending flue gas desulfurization tower, through the design of catching fog device on with and catching fog device down, can carry out the secondary defogging to the flue gas, and the liquid drop that catches the fog device and produce on can dripping catch fog device down, to the change of catching fog plate turning angle when cooperation tilt plate and down tilt plate rotate, can make better the breaking away from and drop of the dust of catching fog plate turning point gathering, avoided because of catching the fog effect decline and the unable normal exhaust phenomenon of flue gas that the fog device blockked up and lead to.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the structure of FIG. 1 taken along line A-A thereof in accordance with the present invention;
FIG. 3 is a cross-sectional view of the structure of FIG. 2 at C-C in accordance with the present invention;
FIG. 4 is a cross-sectional view of the structure of FIG. 1 at B-B in accordance with the present invention;
FIG. 5 is a cross-sectional view of the structure of FIG. 4 taken at D-D in accordance with the present invention;
FIG. 6 is a cross-sectional view of the structure of FIG. 4 taken at E-E in accordance with the present invention;
FIG. 7 is a top view of the connecting plate and blade transmission connecting structure of the present invention;
FIG. 8 is an enlarged view of the mist trap structure of the present invention;
FIG. 9 is an enlarged view of the structure of the mist trap of the present invention when the shape thereof is changed.
In the figure: 1 tower body, 2 upper fog catching device, 21 first cylinder, 22 corrugated plate, 3 lower fog catching device, 31 second cylinder, 32 fog catching plate, 32a vertical plate, 32b sliding rod, 32c guide rail groove, 32d expansion plate, 32e upper inclined plate, 32f lower inclined plate, 33 rectangular frame, 34 sliding groove, 35 connecting plate, 36 round hole, 37 sawtooth, 38 gear and 39 fan blade.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the double-layer mist catching device for the bent flue gas desulfurization tower is as follows:
referring to fig. 1-9, a double-layer mist catching device for a bending flue gas desulfurization tower comprises a tower body 1, an upper mist catching device 2 and a lower mist catching device 3.
Wherein, the upper mist catching device 2 comprises a first cylinder 21 and a corrugated plate 22.
The lower mist catching device 3 comprises a second cylindrical barrel 31, a mist catching plate 32, a rectangular frame 33, a chute 34, a connecting plate 35, a round hole 36, saw teeth 37, a gear 38 and fan blades 39.
The mist catching plate 32 includes a vertical plate 32a, a sliding rod 32b, a guide rail groove 32c, a telescopic plate 32d, an upper inclined plate 32e, and a lower inclined plate 32 f.
Wherein:
an upper mist catching device 2 and a lower mist catching device 3 are fixedly installed inside the tower body 1, the upper mist catching device 2 and the lower mist catching device 3 are both located at the top inside the tower body 1, and the upper mist catching device 2 is located above the lower mist catching device 3. The upper mist catching device 2 comprises a first cylindrical barrel 21 and a corrugated plate 22, the first cylindrical barrel 21 is fixedly installed inside the tower body 1, the corrugated plate 22 is fixedly installed inside the first cylindrical barrel 21, the section of the corrugated plate 22 in the vertical direction is S-shaped, the contact area with smoke is enlarged, the smoke can better impact on the corrugated plate 22 to form liquid drops, secondary mist removal can be performed on the smoke through the design of the upper mist catching device 2 and the lower mist catching device 3, the liquid drops generated by the upper mist catching device 2 can drop on the lower mist catching device 3, and the dust collected at the turning position of the mist catching plate 32 can better break away and drop when the upper inclined plate 32e and the lower inclined plate 32f rotate in cooperation, so that the phenomena that the mist catching effect is reduced and the smoke cannot be normally discharged due to blockage of the mist catching device are avoided.
The second cylinder 31 is fixedly arranged inside the tower body 1, the mist catching plate 32 is fixedly arranged inside the second cylinder 31, the rear end of the second cylinder 31 is provided with a groove, the sliding rods 32b penetrate through the groove, the rear end of the second cylinder 31 is fixedly provided with a rectangular frame 33, the rectangular frame 33 is internally provided with a sliding groove 34, the sliding groove 34 is internally connected with a connecting plate 35 in a sliding manner, the width of the sliding groove 34 is larger than that of the connecting plate 35, the number of the inner circular holes 36 of the connecting plate 35 is equal to that of the sliding rods 32b, one end of each sliding rod 32b is fixedly connected in the circular hole 36, so that the connecting plate 35 can slide in the sliding groove 34 and drive all the sliding rods 32b to synchronously slide, the connecting plate 35 is internally provided with a circular hole 36, the front end saw teeth at the bottom of the connecting plate 35 are provided with 37, the front end of the saw teeth of the 37 is engaged with, fixedly connected with reset torsion spring in the pivot of flabellum 39, and when flabellum 39 received ascending wind-force, for anticlockwise rotation from the bottom observation for flabellum 39 can utilize drive mechanism to drive connecting plate 35 and move right when receiving the quick flue gas that tower body 1 blew off, and when the flue gas velocity of flow resumes normally, gyration to initial position.
A slide bar 32b is fixedly installed at the center of the vertical plate 32a, guide rail grooves 32c are formed in the upper side and the lower side of the vertical plate 32a, a telescopic plate 32d is connected in the guide rail groove 32c in a sliding manner, the telescopic plates 32d on the upper side and the lower side are respectively connected with an upper inclined plate 32e and a lower inclined plate 32f in a rotating manner, the upper inclined plate 32e and the lower inclined plate 32f are mutually symmetrical about the vertical plate 32a, and the front end and the rear end of the upper inclined plate are respectively connected with the upper side and the lower side of the interior of the second cylindrical barrel 31 in a rotating manner, so that the upper inclined plate 32e and the lower inclined plate 32f can simultaneously rotate in the process that the vertical plate 32a moves towards the right side, through the design of the lower mist catching device 3, the bending amplitude of the mist catching plate 32 can be increased in the process that the flow velocity of the smoke is increased, the smoke can not rapidly pass, the mist trap 32 returns to the initial position, so that the normal flow of the flue gas is not influenced, and the mist removal efficiency is not influenced.
When in use, when the smoke is discharged from the interior of the tower body 1, the smoke firstly passes through the lower fog catching device 3, and through the design that the vertical plate 32a in the lower fog catching device 3, the upper inclined plate 32e and the lower inclined plate 32f are bent mutually, the flowing smoke is collided on the fog catching plate 32 to be liquefied and gathered into liquid drops, and the liquid drops are dripped due to the increase of self gravity after being gradually accumulated, the smoke can be secondarily caught by the corrugated plate 22 in the upper fog catching device 2 above the lower fog catching device 3, the generated liquid drops can be dripped on the lower fog catching device 3, the upper half part of the fog catching plate 32 in the lower fog catching device 3 can be hit, the dust residue in the upper half part of the fog catching plate 32 is avoided, and when the flow rate of the smoke is too high, the blowing of the smoke can lead the fan blades 39 to overcome the acting force of the reset torsion spring to rotate and be meshed with the saw teeth 37 through the transmission of the gear 38, the connecting plate 35 slides to the right in the chute 34 to drive the slide bar 32b to move to the right synchronously, the vertical plate 32a is driven to move to the right in the process that the slide bar 32b moves to the right, the expansion plate 32d expands to the upper side and the lower side, the upper inclined plate 32e and the lower inclined plate 32f rotate, the bending degree of the mist catching plate 32 is increased, smoke cannot rapidly pass through the mist catching plate 32, the mist catching effect is improved, when the smoke flow velocity returns to normal, the fan blades 39 rotate to the initial position under the action of the reset torsion spring, the upper inclined plate 32e and the lower inclined plate 32f restore the initial bending degree again, the smoke normally passes through, the angle of the bent part of the mist catching plate 32 is changed in the process that the upper inclined plate 32e and the lower inclined plate 32f rotate, and dust gathered at the bent part of the mist catching plate 32 can better separate from the mist catching plate 32 and fall down, the defogging efficiency of the fog catching plate 32 is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a fog device is caught with double-deck to formula of bending flue gas desulfurization tower, includes tower body (1), its characterized in that: the tower is characterized in that an upper mist catching device (2) and a lower mist catching device (3) are fixedly mounted inside the tower body (1), the upper mist catching device (2) comprises a first cylindrical barrel (21) and a corrugated plate (22), the first cylindrical barrel (21) is fixedly mounted inside the tower body (1), the corrugated plate (22) is fixedly mounted inside the first cylindrical barrel (21), the lower mist catching device (3) comprises a second cylindrical barrel (31), a mist catching plate (32), a rectangular frame (33), a sliding chute (34), a connecting plate (35), a round hole (36), saw teeth (37), gears (38) and fan blades (39), the second cylindrical barrel (31) is fixedly mounted inside the tower body (1), the mist catching plate (32) is fixedly mounted inside the second cylindrical barrel (31), and the rectangular frame (33) is fixedly mounted at the rear end of the second cylindrical barrel (31), spout (34) have been seted up to the inside of rectangle frame (33), the inside sliding connection of spout (34) has connecting plate (35), round hole (36) have been seted up to the inside of connecting plate (35), sawtooth (37) have been seted up to the front end of connecting plate (35) bottom, the front end meshing of sawtooth (37) has gear (38), the bottom transmission of gear (38) is connected with flabellum (39), mist trapping board (32) are including riser (32a), slide bar (32b), guide rail groove (32c), expansion plate (32d), go up hang plate (32e), down hang plate (32f), the center fixed mounting of riser (32a) has slide bar (32b), guide rail groove (32c) have been seted up to the upper and lower both sides of riser (32a), the inside sliding connection of guide rail groove (32c) has expansion plate (32d), the expansion plate (32d) of upper and lower both sides rotate respectively and are connected with upper hang plate (32e) and down hang plate (32e) (32f) (ii) a
A groove is formed in the rear end of the second cylindrical barrel (31), and the sliding rods (32b) penetrate through the groove;
the width of the sliding groove (34) is larger than that of the connecting plate (35), the number of the inner circular holes (36) of the connecting plate (35) is equal to that of the sliding rods (32b), and one end of each sliding rod (32b) is fixedly connected into the circular hole (36);
the rotating shaft of the fan blade (39) is internally and fixedly connected with a reset torsion spring, and when the fan blade (39) is subjected to upward wind power, the fan blade rotates anticlockwise when viewed from the bottom.
2. The double-layer mist catching device for the bent flue gas desulfurization tower as claimed in claim 1, is characterized in that: the upper mist catching device (2) and the lower mist catching device (3) are both positioned at the top inside the tower body (1), and the upper mist catching device (2) is positioned above the lower mist catching device (3).
3. The double-layer mist catching device for the bent flue gas desulfurization tower as claimed in claim 1, is characterized in that: the section of the corrugated plate (22) in the vertical direction is S-shaped.
4. The double-layer mist catching device for the bent flue gas desulfurization tower as claimed in claim 1, is characterized in that: the upper inclined plate (32e) and the lower inclined plate (32f) are symmetrical with each other about the vertical plate (32a), and the front end and the rear end are rotationally connected with the upper side and the lower side in the second cylindrical barrel (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910627193.6A CN110280069B (en) | 2019-07-12 | 2019-07-12 | Double-layer mist catching device for bending type flue gas desulfurization tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910627193.6A CN110280069B (en) | 2019-07-12 | 2019-07-12 | Double-layer mist catching device for bending type flue gas desulfurization tower |
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| CN110280069A CN110280069A (en) | 2019-09-27 |
| CN110280069B true CN110280069B (en) | 2021-03-19 |
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| CN201910627193.6A Active CN110280069B (en) | 2019-07-12 | 2019-07-12 | Double-layer mist catching device for bending type flue gas desulfurization tower |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205760175U (en) * | 2016-06-14 | 2016-12-07 | 中国大唐集团科学技术研究院有限公司 | Rotary type demister |
| CN106955533A (en) * | 2017-02-21 | 2017-07-18 | 江苏金鼎环保设备有限公司 | Combined defroster |
| US10537828B2 (en) * | 2017-04-12 | 2020-01-21 | Sustainable Energy Solutions, Llc | Method for preventing fouling of a demister |
| CN107137983A (en) * | 2017-06-12 | 2017-09-08 | 西安西矿环保科技有限公司 | A kind of adjustable rotational flow pipe type dedusting demister of load |
| CN207928867U (en) * | 2017-11-14 | 2018-10-02 | 广东闻扬环境科技有限公司 | Separation chamber removes fog chamber and its defogging mechanism |
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Effective date of registration: 20210308 Address after: No.33, Donghai 4th Avenue, Zhejiang toumengang Economic Development Zone, Linhai City, Taizhou City, Zhejiang Province Applicant after: TAIZHOU LINGANG THERMOELECTRICITY Co.,Ltd. Address before: 311115 Fengxi garden, Pingyao Town, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: Lou Peiqi |