CN212142104U - Anti-blocking device for flue gas desulfurization tower - Google Patents
Anti-blocking device for flue gas desulfurization tower Download PDFInfo
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- CN212142104U CN212142104U CN202020784764.5U CN202020784764U CN212142104U CN 212142104 U CN212142104 U CN 212142104U CN 202020784764 U CN202020784764 U CN 202020784764U CN 212142104 U CN212142104 U CN 212142104U
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- flue gas
- tower
- wall
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- tower body
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Abstract
The utility model discloses an anti-blocking device for a flue gas desulfurization tower, which comprises an anti-blocking mechanism and a driving mechanism thereof; the anti-blocking mechanism comprises an inner screw, an outer screw, a central wheel, a planet wheel, a gear ring, an installation frame, a first scraper, a connecting rod and a hairbrush; the inner screw rod is fixedly connected to the tower bottom of the tower body, the inner wall of the outer screw rod is in threaded connection with the outer wall of the inner screw rod, the outer wall of the upper half part of the outer screw rod is in meshing transmission with the driving mechanism, and the outer wall of the lower end part of the outer screw rod is in meshing transmission with the inner teeth of the central wheel; the planet gears are symmetrically arranged between the central wheel and the gear ring, the mounting frames are symmetrically arranged on the outer surface of the gear ring and can do circular motion along the sliding grooves in the outer wall of the gear ring, and the mounting frames are connected with the planet gears through connecting rods; the first scraper and the hair brush are respectively arranged on the mounting frame. The utility model discloses flue gas desulfurization tower anti-clogging device, the integrated level is high, and it is obvious to prevent blockking up the effect, and easy operation can accomplish the work of cleaing away of tower body lateral wall and tower bottom deposit simultaneously, prevents that flue gas desulfurization tower from preventing blockking up.
Description
Technical Field
The utility model relates to a flue gas desulfurization equipment technical field, specific theory relates to a flue gas desulfurization tower anti-clogging device.
Background
When the coal-fired boiler is burned, various organic and inorganic sulfur contained in coal is converted into sulfur oxides mainly containing sulfur dioxide, and the sulfur dioxide enters the atmosphere to be combined with water in the atmosphere to form acid rain, so that the acid rain not only has serious influence on ground buildings and crops, but also has damage to human bodies, and therefore, flue gas desulfurization is an important part for environmental protection.
The main mode of flue gas desulfurization is wet desulfurization, slurry such as limestone is used as a detergent to wash flue gas in a desulfurization tower, so that sulfur dioxide in the flue gas is absorbed, and absorption liquid is collected at the bottom of the desulfurization tower. But after using a certain time, can react in the desulfurizing tower and produce a large amount of reactants, limestone slurry concentration in the desulfurizing tower can be bigger and bigger, can appear more and more solid in the bottom simultaneously, can influence the jam of desulfurizing tower when serious, causes desulfurization efficiency to reduce, makes flue gas desulfurization effect unsatisfactory. Therefore, after the equipment is required to be shut down regularly, an operator enters the desulfurizing tower to clean the desulfurizing tower, so that the production efficiency is reduced on one hand, and the operator enters the desulfurizing tower to cause great physical damage to the operator on the other hand.
In view of this, it is urgently needed to develop an anti-blocking device for a flue gas desulfurization tower to prevent the blockage of a desulfurization tower and components thereof, which results in the reduction of desulfurization efficiency of the desulfurization tower, so that the outlet flue gas can not meet the requirement of standard emission.
SUMMERY OF THE UTILITY MODEL
In view of the defects of the prior art, the main object of the utility model is to provide an anti-clogging device for a flue gas desulfurization tower, which solves the problem of clogging of the tower body and pipelines, desulfurization components and the like on the tower body through the reasonable design of the whole structure, and has the advantages of high integration level, obvious anti-clogging effect and simple operation; the cleaning work of the side wall of the tower body and the sediment at the bottom of the tower can be simultaneously finished, and the blockage of the tower body, pipelines on the tower body, a desulfurization component and the like can be prevented.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a flue gas desulfurization tower anti-clogging device comprises a tower body, a desulfurization component arranged above the tower body and a circulation component arranged outside the desulfurization tower; an anti-blocking device is arranged below the tower body and comprises an anti-blocking mechanism and a driving mechanism for driving the anti-blocking mechanism to act; the anti-blocking mechanism comprises an inner screw, an outer screw, a central wheel, a planet wheel, a gear ring, an installation frame, a first scraper, a connecting rod and a hairbrush; the inner screw rod is fixedly connected to the bottom of the tower body, the inner wall of the outer screw rod is in threaded connection with the outer wall of the inner screw rod, the outer wall of the upper half part of the outer screw rod is in meshing transmission with the driving mechanism, and the outer wall of the lower end part of the outer screw rod is in meshing transmission with the inner teeth of the central wheel; the planet gears are symmetrically arranged between the central wheel and the gear ring, the mounting frames are symmetrically arranged on the outer surface of the gear ring and can do circular motion along the sliding grooves in the outer wall of the gear ring, and the mounting frames are connected with the planet gears through connecting rods; the first scraper and the hair brush are respectively arranged on the mounting rack.
Furthermore, the number of the planet wheels and the number of the mounting frames are the same, the number of the array of the planet wheels along the circle center of the central wheel is four, and the central wheel is limited by the planet carrier to keep an angle of 90 degrees all the time; first scraper and brush are 90 degrees alternately in proper order and are set up on the mounting bracket to can follow the desulfurizing tower inner wall and remove, prevent that the interior solid deposit of doctor solution from deposiing on the inner wall.
Furthermore, the anti-blocking mechanism is provided with an umbrella-shaped liquid guide plate above, one end of the liquid guide plate is fixedly connected to the outer wall of the outer screw rod, the other end of the liquid guide plate is fixedly connected to the gear ring, and the gear ring is in a static state relative to the outer screw rod.
Furthermore, the connecting rod is a U-shaped rod and is arranged below the gear ring, one end of the connecting rod is connected to the lower surface of the planet wheel, and the other end of the connecting rod is connected to the lower surface of the mounting rack; and a second scraper arranged downwards is arranged on the horizontal section of the connecting rod.
Furthermore, a limiting block is arranged at the center of the tower bottom of the tower body and used for limiting the movement stroke of the anti-blocking mechanism.
Furthermore, actuating mechanism includes that motor and one end are connected the rotation axis on the motor, the rotation axis sets up in the middle part position that is close to the desulfurizing tower along the horizontal direction, keeps away from the rotation axis one of motor and serves and be equipped with the driven gear with the external screw meshing.
Furthermore, a flue gas inlet is arranged in the middle of the tower body, a flue gas outlet is arranged at the top of the tower body, and a slag discharge port is arranged at the bottom of the tower body; the desulfurization component comprises a demister, a spray disc and a gas distribution disc; the desulfurization assembly is arranged between the flue gas inlet and the flue gas outlet, the demister is arranged close to the flue gas outlet, and the gas distribution disc is arranged below the spray disc; at least one group of the spraying disc and the air distribution disc are arranged along the vertical direction of the inner wall of the tower body.
Furthermore, the circulating assembly comprises a circulating pump, a liquid inlet pipe and a liquid outlet pipe which are connected with the circulating pump, and one end of the liquid inlet pipe is connected to the bottom of the tower body; one end of the liquid outlet pipe is connected with the spraying disc.
The utility model has the advantages that:
(1) the utility model discloses a flue gas desulfurization tower anti-clogging device, which drives an anti-clogging mechanism to move along the vertical direction through a driving mechanism, and not only can make a first scraper and a brush which are arranged on a mounting frame move along the side wall of a tower body through the transmission consisting of a central wheel, a planet wheel and a gear ring to clear away the deposit on the side wall, but also can make a second scraper move at the bottom of the tower through the meshing transmission of the central wheel and an outer screw rod to clear away the deposit at the bottom of the tower; the blockage of the desulfurizing tower and the components thereof is effectively prevented by removing the deposits on the side wall and the bottom of the tower.
(2) The utility model discloses a flue gas desulfurization tower anti-clogging device through overall structure's rational design, has solved the problem of blockking up such as pipeline, desulfurization subassembly on tower body and the tower body, and this anti-clogging device, the integrated level is high, and it is obvious to prevent blockking up the effect, easy operation.
Drawings
FIG. 1 is a schematic view of the main structure of the anti-clogging device for a flue gas desulfurization tower according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a view in the direction B-B of FIG. 1;
FIG. 4 is a schematic view showing the movement state of the anti-clogging device for flue gas desulfurization tower of the present invention;
the device comprises a tower body 1, a tower body 2, a desulfurization assembly 3, a circulation assembly 4, a driving mechanism 5, an anti-blocking mechanism 101, a flue gas inlet 102, a flue gas outlet 103, a slag discharge port 201, a demister 202, a spray disc 203, a gas distribution disc 401, a gear 402, a rotating shaft 501, an outer screw rod 502, a center wheel 503, a planet wheel 504, a gear ring 505, a sliding groove 506, a mounting rack 507, a first scraper 508, a connecting rod 509, a second scraper 510, a limiting block 511, a liquid guide plate 512, an inner screw rod 513, a planet carrier 514, a sealing plate 517 and a brush.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Examples
As shown in fig. 1 to 4, an anti-clogging device for a flue gas desulfurization tower comprises a tower body 1, a desulfurization module 2 installed above the tower body 1, and a circulation module 3 disposed outside the desulfurization tower; an anti-blocking device is arranged below the tower body 1, and comprises an anti-blocking mechanism 5 and a driving mechanism 4 for driving the anti-blocking mechanism 5 to act; the anti-blocking mechanism 5 comprises an inner screw 512, an outer screw 501, a central wheel 502, a planet wheel 503, a gear ring 504, a mounting rack 506, a first scraper 507, a connecting rod 508 and a hairbrush 517; the inner screw 512 is fixedly connected to the tower bottom of the tower body 1, the inner wall of the outer screw 501 is in threaded connection with the outer wall of the inner screw 512, the outer wall of the upper half part of the outer screw 501 is in meshing transmission with the driving mechanism 4, and the outer wall of the lower end part of the outer screw 501 is in meshing transmission with the inner teeth of the central wheel 502; the planet gears 503 are symmetrically arranged between the central wheel 502 and the gear ring 504, the mounting rack 506 is symmetrically arranged on the outer surface of the gear ring 504 and can do circular motion along the sliding groove 505 on the outer wall of the gear ring 504, and the mounting rack 506 is connected with the planet gears 503 through a connecting rod 508; the first scraper 507 and the brush 517 are respectively disposed on the mounting frame 506.
The mounting frame 506, the gear ring 504, the planet wheel 503 and the central wheel 502 are limited by an upper closing plate and a lower closing plate 514, so that the central wheel 502 and the planet wheel 503 are installed on the same horizontal plane, the gear ring 504 is an inner gear ring 504; the planet wheel 503 is in meshing transmission with the central wheel 502 and the gear ring 504, and can do circular motion along the center of the central wheel 502, and the gear ring 504, the planet wheel 503 and the central wheel 502 are connected into a whole through a frame, so as to prevent mutual separation in the meshing transmission process.
The number of the planet wheels 503 is the same as that of the mounting rack 506, the number of the planet wheels 503 is four along the circle center array of the central wheel 502, and the central wheel 502 is limited by the planet carrier 513 to keep an angle of 90 degrees all the time; the first scraper 507 and the brush 517 are sequentially arranged on the mounting frame 506 in a 90-degree crossed manner and can move along the inner wall of the desulfurization tower, so that solid precipitates in the desulfurization solution are prevented from being deposited on the inner wall.
An umbrella-shaped liquid guide plate 511 is mounted above the anti-blocking mechanism 5, one end of the liquid guide plate 511 is fixedly connected to the outer wall of the outer screw 501, the other end of the liquid guide plate 511 is fixedly connected to the gear ring 504, and the gear ring 504 is in a static state relative to the outer screw 501.
The connecting rod 508 is a U-shaped rod and is arranged below the gear ring 504, one end of the connecting rod is connected to the lower surface of the planet wheel 503, and the other end of the connecting rod is connected to the lower surface of the mounting rack 506; a second scraper 509 is mounted downward on the horizontal section of the link 508. Through the fixed connection of the U-shaped rod, the mounting bracket 506 can move circularly along the sliding groove 505 on the outer wall of the ring gear 504 under the driving of the planet wheel 503.
The tower bottom center position of the tower body 1 is provided with a limiting block 510 for limiting the movement stroke of the anti-clogging mechanism 5.
The driving mechanism 4 comprises a motor (not shown) and a rotating shaft 402 with one end connected to the motor, the rotating shaft 402 is horizontally arranged near the middle of the desulfurizing tower, and a gear 401 engaged with the outer screw 501 is arranged at one end of the rotating shaft 402 far away from the motor. The rotating shaft 402 is rotated forward and backward by controlling the forward and backward rotation of the motor, so that the anti-blocking mechanism 5 can rotate in the vertical direction of the tower body 1 to reciprocate up and down.
When the desulfurizing tower is miniature desulfurizing tower, when 5 weight of anti-clogging mechanism of setting up in the tower body 1 are lighter, the utility model discloses a motor drive mode can also be replaced by the handle, through the rotation of handle, reaches the drive and prevents the purpose of anti-clogging mechanism 5 reciprocating motion.
The middle part of the tower body 1 is provided with a flue gas inlet 101, the top part is provided with a flue gas outlet 102, and the bottom part is provided with a slag discharge hole 103; the desulfurization assembly 2 comprises a demister 201, a spray disc 202 and a gas distribution disc 203; the desulfurization assembly 2 is arranged between the flue gas inlet 101 and the flue gas outlet 102, the demister 201 is arranged close to the flue gas outlet 102, and the gas distribution plate 203 is arranged below the spray plate 202; at least one group of the spray plate 202 and the air distribution plate 203 are arranged along the vertical direction of the inner wall of the tower body 1. The spray plate 202 is used for uniformly spraying the desulfurization absorption liquid, and the gas distribution plate 203 is used for uniformly distributing the flue gas entering the tower body 1.
The circulation component 3 comprises a circulation pump, a liquid inlet pipe and a liquid outlet pipe which are connected with the circulation pump, and one end of the liquid inlet pipe is connected with the bottom of the tower body 1; one end of the liquid outlet pipe is connected with the spraying disc 202. Through the setting of circulation subassembly 3, make doctor solution part can cyclic utilization, spray the operation, make it and flue gas contact, the sulfur dioxide in the desorption flue gas.
The utility model discloses a working process specifically as follows:
the flue gas enters the tower body 1 through the flue gas inlet 101, after being uniformly distributed, the flue gas is contacted and absorbed with the desulfurization absorption liquid sprayed by the spray disc 202, and the purified flue gas flows out of the tower body 1 from the flue gas outlet 102; the desulfurization solution which absorbs sulfur dioxide in the flue gas is collected at the bottom of the tower body 1, and the desulfurization solution contains solid substances generated by reaction and is deposited on the side wall and the bottom of the desulfurization tower; the motor is started to rotate positively, the outer screw 501 is driven to rotate, the central wheel 502, the planet wheel 503 and the mounting rack 506 are driven to rotate in sequence, and the first scraper 507 and the brush 517 on the mounting rack 506 of the anti-blocking mechanism 5 are driven to move along the side wall so as to remove deposits on the side wall; when the anti-clogging mechanism 5 moves to the bottom of the tower body 1, the second scraper 509 operates to remove the deposits on the bottom of the tower body 1, thereby achieving the effect of preventing the clogging of the desulfurization tower and its components.
When the starting motor rotates reversely, the anti-blocking mechanism 5 rotates upwards to remove the side wall sediments again, and the anti-blocking mechanism 5 is controlled to reciprocate within a preset stroke range through the forward and reverse rotation of the motor.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention.
Claims (8)
1. A flue gas desulfurization tower anti-clogging device comprises a tower body, a desulfurization component arranged above the tower body and a circulation component arranged outside the desulfurization tower; the anti-blocking device is characterized by comprising an anti-blocking mechanism and a driving mechanism for driving the anti-blocking mechanism to act, wherein the anti-blocking device is arranged below the tower body; the anti-blocking mechanism comprises an inner screw, an outer screw, a central wheel, a planet wheel, a gear ring, an installation frame, a first scraper, a connecting rod and a hairbrush; the inner screw rod is fixedly connected to the tower bottom of the tower body, the inner wall of the outer screw rod is in threaded connection with the outer wall of the inner screw rod, the outer wall of the upper half part of the outer screw rod is in meshing transmission with the driving mechanism, and the outer wall of the lower end part of the outer screw rod is in meshing transmission with the inner teeth of the central wheel; the planet gears are symmetrically arranged between the central wheel and the gear ring, the mounting frames are symmetrically arranged on the outer surface of the gear ring and can do circular motion along the sliding grooves in the outer wall of the gear ring, and the mounting frames are connected with the planet gears through connecting rods; the first scraper and the hair brush are respectively arranged on the mounting rack.
2. The flue gas desulfurization tower anti-clogging device of claim 1, wherein the number of the planet wheels and the number of the mounting frames are the same, the number of the planet wheels is four along the circle center array of the central wheel, and the central wheel is limited by the planet carrier to keep the central wheel at an angle of 90 degrees all the time; first scraper and brush are 90 degrees alternately in proper order and are set up on the mounting bracket to can follow the desulfurizing tower inner wall and remove, prevent that the interior solid deposit of doctor solution from deposiing on the inner wall.
3. The device for preventing blockage in a flue gas desulfurization tower as recited in claim 1, wherein a liquid guide plate is mounted above the blockage prevention mechanism, and the liquid guide plate is fixedly connected to the outer wall of the outer screw at one end and is fixedly connected to a gear ring at the other end, and the gear ring is in a static state relative to the outer screw.
4. The flue gas desulfurization tower anti-clogging device as recited in claim 1, wherein the connecting rod is a U-shaped rod and is disposed at a position below the gear ring, one end of the connecting rod is connected to the lower surface of the planet wheel, and the other end of the connecting rod is connected to the lower surface of the mounting frame; and a second scraper arranged downwards is arranged on the horizontal section of the connecting rod.
5. The device for preventing blockage in a flue gas desulfurization tower as recited in claim 1, wherein a limiting block is arranged at the center of the bottom of the tower body to limit the movement stroke of the blockage preventing mechanism.
6. The flue gas desulfurization tower anti-clogging device according to claim 1, wherein said driving mechanism comprises a motor and a rotating shaft having one end connected to the motor, said rotating shaft being disposed in a horizontal direction at a position near the middle of the desulfurization tower, and a gear for meshing transmission with the external screw is provided at an end of the rotating shaft remote from the motor.
7. The device for preventing blockage of a flue gas desulfurization tower as recited in claim 1, wherein a flue gas inlet is arranged in the middle of the tower body, a flue gas outlet is arranged at the top of the tower body, and a slag discharge port is arranged at the bottom of the tower body; the desulfurization component comprises a demister, a spray disc and a gas distribution disc; the desulfurization assembly is arranged between the flue gas inlet and the flue gas outlet, the demister is arranged close to the flue gas outlet, and the gas distribution disc is arranged below the spray disc; at least one group of the spraying disc and the air distribution disc are arranged along the vertical direction of the inner wall of the tower body.
8. The device for preventing blockage in a flue gas desulfurization tower according to claim 1, wherein the circulation assembly comprises a circulation pump and a liquid inlet pipe and a liquid outlet pipe which are connected with the circulation pump, and one end of the liquid inlet pipe is connected with the bottom of the tower body; one end of the liquid outlet pipe is connected with the spraying disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020784764.5U CN212142104U (en) | 2020-05-12 | 2020-05-12 | Anti-blocking device for flue gas desulfurization tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020784764.5U CN212142104U (en) | 2020-05-12 | 2020-05-12 | Anti-blocking device for flue gas desulfurization tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212142104U true CN212142104U (en) | 2020-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020784764.5U Expired - Fee Related CN212142104U (en) | 2020-05-12 | 2020-05-12 | Anti-blocking device for flue gas desulfurization tower |
Country Status (1)
| Country | Link |
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| CN (1) | CN212142104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856432A (en) * | 2021-10-28 | 2021-12-31 | 北方联合电力有限责任公司呼和浩特金桥热电厂 | Power plant desulfurizing tower |
-
2020
- 2020-05-12 CN CN202020784764.5U patent/CN212142104U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856432A (en) * | 2021-10-28 | 2021-12-31 | 北方联合电力有限责任公司呼和浩特金桥热电厂 | Power plant desulfurizing tower |
| CN113856432B (en) * | 2021-10-28 | 2023-11-17 | 北方联合电力有限责任公司呼和浩特金桥热电厂 | Desulfurizing tower of power plant |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201215 Termination date: 20210512 |