CN111495088A - Centrifugal separation device and method for wet electric dust removal of denitration tower - Google Patents
Centrifugal separation device and method for wet electric dust removal of denitration tower Download PDFInfo
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- CN111495088A CN111495088A CN202010341007.5A CN202010341007A CN111495088A CN 111495088 A CN111495088 A CN 111495088A CN 202010341007 A CN202010341007 A CN 202010341007A CN 111495088 A CN111495088 A CN 111495088A
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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Abstract
The invention discloses a centrifugal separation device and a centrifugal separation method for wet electric dust removal of a denitration tower, and the centrifugal separation device comprises a centrifugal cylinder, a dust inlet cylinder and an electrostatic dust removal device, wherein the upper end of the centrifugal cylinder is fixedly connected with the lower end of the dust inlet cylinder, the upper end of the dust inlet cylinder is fixedly connected with the electrostatic dust removal device, the side wall of the centrifugal cylinder is connected with a support, the lower end of the centrifugal cylinder is fixedly connected with a sewage discharge outlet, the side wall of the centrifugal cylinder is fixedly connected with an overflow pipe, and the upper end of the centrifugal cylinder is fixedly connected with an annular top plate. The centrifugal separation device and the method for wet electric dust removal of the denitration tower realize primary centrifugal separation through the centrifugal cylinder, complete secondary centrifugal separation in the centrifugal pipe, and finally realize tertiary centrifugal separation in the electrostatic dust removal device, have continuous process, compact structure and small occupied area, greatly improve the centrifugal separation effect through the tertiary centrifugal separation, and are provided with the wind power transmission frame in the dust inlet cylinder, and the wind power of the dust inlet pipe is utilized to drive the arc-shaped blades to rotate.
Description
Technical Field
The invention relates to the technical field of centrifugal separation of denitration towers, in particular to a centrifugal separation device and method for wet electric dust removal of a denitration tower.
Background
Most of dust removing means adopts the traditional cloth bag filtration (collecting dust particles with the diameter more than 10 mu m) or filter element filtration (collecting dust particles with the diameter more than 5 mu m) to filter the dust-containing gas, and then the dust-containing gas is directly discharged, and the discharged gas still contains about 5 percent of ultrafine dust particles with the diameter less than 5 mu m, which can not be removed, and the ultrafine dust particles directly pollute the environment. The dust removal method of the bag-type dust collector is obvious, for example, the filter bag needs to be replaced frequently, the service life of the filter bag is short, especially under the working conditions of high temperature, corrosive environment and the like, the filter bag is replaced more frequently, and the operation cost and the maintenance cost are expensive. Another common dust removal method is wet dust removal, in which liquid is absorbed by spraying and is contacted with dust-containing gas to achieve the purpose of absorption and purification, but the disadvantages of wet dust removal are also obvious, such as weak absorption capability to fine dust particles, and high operation cost and energy consumption. The centrifugal separation device is used in the denitration tower, so that the separation of dust and gas can be accelerated, but the centrifugal separation device in the existing denitration tower is simple in structure, and particularly when dust is continuously removed, the separation is not clean, and the dust removal effect is general.
Disclosure of Invention
The invention aims to provide a centrifugal separation device and a centrifugal separation method for wet electric dust removal of a denitration tower, which realize primary centrifugal separation through a centrifugal cylinder, complete secondary centrifugal separation in a centrifugal pipe, and finally realize tertiary centrifugal separation in an electrostatic dust removal device.
In order to achieve the purpose, the invention provides the following technical scheme: a centrifugal separation device for wet electric dust removal of a denitration tower comprises a centrifugal cylinder, a dust inlet cylinder and an electrostatic dust removal device, wherein the upper end of the centrifugal cylinder is fixedly connected with the lower end of the dust inlet cylinder, and the upper end of the dust inlet cylinder is fixedly connected with the electrostatic dust removal device;
the side wall of the centrifugal cylinder is connected with a support, the lower end of the centrifugal cylinder is fixedly connected with a sewage discharge outlet, the side wall of the centrifugal cylinder is fixedly connected with an overflow pipe, the upper end of the centrifugal cylinder is fixedly connected with an annular top plate, and the center of the annular top plate is fixedly connected with the lower end of the dust inlet cylinder;
the inside of electrostatic precipitator is equipped with the dust removal pipe, and alloy high-voltage line has run through at the center of dust removal pipe, is connected with second helical blade on the inner wall of dust removal pipe.
Preferably, one end of the overflow pipe is connected with a vertical cylinder, the lower end of the vertical cylinder is provided with a water inlet hole, and a floating ball is arranged inside the lower end of the vertical cylinder.
Preferably, the lower surface of the annular top plate is provided with a first annular water spray pipe, spray heads are arranged on the lower surface of the first annular water spray pipe at equal intervals, one end of the first annular water spray pipe is connected with a first water inlet pipe, and the first water inlet pipe penetrates through the centrifugal cylinder.
Preferably, one side of the upper end of the dust inlet cylinder is fixedly connected with a dust inlet pipe, a centrifugal pipe, a guide cover and a wind power transmission frame are arranged inside the dust inlet cylinder, water guide grooves distributed equidistantly are formed in the inner wall of the centrifugal pipe, a first helical blade is arranged inside the centrifugal pipe, a guide plate is connected to the outer wall of the upper end of the centrifugal pipe, one side of the guide plate, far away from the centrifugal pipe, is fixedly connected with the inner wall of the dust inlet cylinder, the upper end of the centrifugal pipe is connected with the wind power transmission frame in a clamping mode, the wind power transmission frame comprises an inner ring, an outer ring and a connecting ring, the outer side wall of the inner ring is fixedly connected with the inner side wall of the outer ring through the connecting ring, a sleeve is fixedly connected;
preferably, the wind power transmission frame further comprises an arc-shaped blade, a connecting frame and a fan, the arc-shaped blade is fixedly connected with the outer wall of the outer ring, the connecting frame is fixedly connected with the inner wall of the inner ring, and the fan is installed at the center of the connecting frame through a straight rod.
Preferably, balls are connected to both upper and lower surfaces of the connection ring.
Preferably, the upper end of the guide cover is connected with a second annular water spraying pipe, a water outlet is formed in the lower surface of the second annular water spraying pipe, a second water inlet pipe is fixedly connected to one side of the second annular water spraying pipe, and the second water inlet pipe penetrates through the dust cylinder.
Preferably, the lower end of the guide cover extends into the dust inlet cylinder.
Preferably, the deflector is the slope setting of heliciform on the outer wall of centrifuging tube.
The invention also aims to solve the technical problems that: the separation method of the centrifugal separation device for wet electric dust removal of the denitration tower comprises the following steps:
s1: the dust-containing gas is introduced into the dust inlet cylinder through the dust inlet pipe, the dust-containing gas entering the dust inlet cylinder is applied to the arc-shaped blades to drive the outer ring to rotate, the outer ring and the inner ring are connected through the connecting ring and simultaneously rotate, the connecting frame drives the fan to rotate, and negative pressure is generated above the centrifugal tube;
s2: the dust-containing gas entering the dust inlet cylinder enters the centrifugal cylinder through the guide plate, and the dust-containing gas spirally moves downwards in the centrifugal cylinder, at the moment, the first annular water spraying pipe sprays water downwards to adsorb particles in the gas, the dust particles in the gas sink to the lower end of the centrifugal cylinder along the inner wall of the centrifugal cylinder under the action of centrifugal force, and the gas enters the centrifugal cylinder from the lower end of the centrifugal tube to complete the first centrifugal separation;
s3: after the second annular water spraying pipe is filled with water, the water outlet guides the water to the inner wall of the guide cover to form a water curtain, the water curtain moves downwards under the action of self weight, so that a flowing water body always exists on the inner wall of the centrifugal tube, the gas moves upwards in a spiral shape in the centrifugal tube, the generated centrifugal force throws dust contained in the gas to the inner wall of the centrifugal tube, the dust is adsorbed by the water curtain and rushes to the bottom of the centrifugal tube, and the fan rotates to drive the gas to move upwards to complete the second centrifugal separation;
s4: the guide cover guides the gas into the electrostatic dust collection device, the gas moves upwards through the dust collection circular tube, the alloy high-voltage wire is electrified, the second spiral blade enables the gas to move upwards in a spiral shape again, centrifugal force is generated, and third centrifugal separation is achieved;
s5: the mixed particulate matter of shower water is at the lower extreme deposit of centrifuging tube, can clear up through the drain, when ponding surpassed the overflow pipe, can spill over through the overflow pipe.
Compared with the prior art, the invention has the beneficial effects that: this denitration tower wet electricity centrifugation device and method for dust removal, realize one-level centrifugation through the centrifuge tube, accomplish secondary centrifugation in the centrifuge tube, realize tertiary centrifugation in electrostatic precipitator device at last, the process is continuous, compact structure, small in floor area, tertiary centrifugation, greatly improve centrifugation's effect, set up wind-force drive frame in dust inlet tube, it is rotatory to utilize the wind-force of dust inlet tube to drive the arc blade, thereby realize that the fan is rotatory to produce the negative pressure, improve the flow velocity of gas in the centrifuge tube, strengthen the centrifugal effect of centrifuge tube, and set up first annular spray pipe and second annular spray pipe, through spraying and water curtain, utilize water adsorption dust, accelerate the dust to descend, further improve the centrifugal speed of separation.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a view of a first circular sprinkler of the present invention;
FIG. 3 is an enlarged view of A of the present invention;
FIG. 4 is a view showing the internal structure of the dust inlet cylinder according to the present invention;
FIG. 5 is a partial cross-sectional view of the present invention;
FIG. 6 is a schematic view of a centrifuge tube according to the present invention;
FIG. 7 is a partial top view of the wind driven frame of the present invention;
FIG. 8 is a cross-sectional view of the wind driven frame of the present invention;
FIG. 9 is a structural view of an electrostatic precipitator according to the present invention.
In the figure: 1. a centrifugal cylinder; 11. a support; 12. a sewage draining outlet; 13. an overflow pipe; 131. a vertical cylinder; 132. a water inlet hole; 133. a floating ball; 14. an annular top plate; 15. a first annular water spray pipe; 151. a spray head; 152. a first water inlet pipe; 2. a dust inlet cylinder; 21. a dust inlet pipe; 22. centrifuging the tube; 221. a water chute; 222. a first helical blade; 223. a guide plate; 23. a guide housing; 231. a second annular spray pipe; 232. a water outlet; 233. a second water inlet pipe; 234. a sleeve; 24. a wind power transmission frame; 241. an inner ring; 242. an outer ring; 243. a connecting ring; 2431. a ball bearing; 244. an arc-shaped blade; 245. a connecting frame; 246. a fan; 3. an electrostatic dust removal device; 31. a dust removal circular tube; 32. an alloy high-voltage wire; 33. a second helical 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.
Referring to fig. 1-3, a centrifugal separation device for wet electric dust removal of a denitration tower comprises a centrifugal cylinder 1, a dust inlet cylinder 2 and an electrostatic dust removal device 3, wherein the upper end of the centrifugal cylinder 1 is fixedly connected with the lower end of the dust inlet cylinder 2, and the upper end of the dust inlet cylinder 2 is fixedly connected with the electrostatic dust removal device 3.
The side wall of the centrifuge tube 1 is connected with a bracket 11, the bracket 11 plays a supporting role, the lower end of the centrifuge tube 1 is of a conical structure, dust particles can be collected to the bottom of the centrifuge tube 1, so that sludge is convenient to clean, the lower end of the centrifuge tube 1 is fixedly connected with a sewage discharge outlet 12, a valve is arranged in the sewage discharge outlet 12, so that sludge sediment is convenient to clean, the side wall of the centrifuge tube 1 is fixedly connected with an overflow tube 13, one end of the overflow tube 13 is connected with a vertical tube 131, the lower end of the vertical tube 131 is provided with a water inlet hole 132, a floating ball 133 is arranged in the lower end of the vertical tube 131, when the water level is low, the floating ball 133 blocks the overflow tube 13 to prevent gas leakage, when the water level rises and enters the vertical tube 131, the floating ball 133 moves upwards, accumulated water can be discharged from the overflow tube 13, the upper end of the centrifuge tube 1 is fixedly connected with an annular top plate 14, the center of the annular top plate 14 is, the lower surface equidistance of first annular spray pipe 15 is connected with atomising head 151, and the one end of first annular spray pipe 15 is connected with first inlet tube 152, and first inlet tube 152 runs through centrifuge tube 1, and the first annular spray pipe 15 of position supplies water through first inlet tube 152, and atomising head 151 is used for spraying to dirty gas for the dust particle thing in the gas descends, plays the dust removal effect.
Referring to fig. 4-8, a dust inlet tube 21 is fixedly connected to one side of an upper end of a dust inlet tube 2, a centrifugal tube 22, a guide cover 23 and a wind power transmission frame 24 are disposed inside the dust inlet tube 2, water guiding grooves 221 are disposed on an inner wall of the centrifugal tube 22 and distributed equidistantly, water circulates into the centrifugal tube 1 through the water guiding grooves 221, a water channel is formed in the centrifugal tube 1 to bring dust particles out of the centrifugal tube 1, a first helical blade 222 is disposed inside the centrifugal tube 22, a guide plate 223 is connected to an outer wall of the upper end of the centrifugal tube 22, one side of the guide plate 223 away from the core tube 22 is fixedly connected to an inner wall of the dust inlet tube 2, the upper end of the centrifugal tube 22 is connected to the wind power transmission frame 24 in a clamping manner, a clamping step is disposed at an upper end of the centrifugal tube 22 and used for fixing the wind power transmission frame 24, the wind power transmission frame 24 includes an inner ring 241, an outer, the upper and lower surfaces of the connection ring 243 are connected with balls 2431, the balls 2431 play a lubricating role, the resistance of the rotation of the arc-shaped blade 244 is reduced, the wind power transmission frame 24 further comprises the arc-shaped blade 244, a connection frame 245 and a fan 246, the arc-shaped blade 244 is fixedly connected with the outer wall of the outer ring 242, the connection frame 245 is fixedly connected with the inner wall of the inner ring 241, the fan 246 is installed at the center position of the connection frame 245 through a straight rod, the whole wind power transmission frame 24 can be driven to rotate through the arc-shaped blade 244, the rotation of the fan 246 is realized, negative pressure is generated at the upper end of the centrifugal tube 22, the gas flow can be accelerated, the centrifugal separation effect is improved, the sleeve 234 is fixedly connected to the side wall at the lower end of the guide cover 23, the side wall of the guide cover 23 is connected with the inner wall of the dust inlet tube 2, one side fixedly connected with second inlet tube 233 of second annular spray pipe 231, second inlet tube 233 run through into dirt section of thick bamboo 2, and second inlet tube 233 bit second annular spray pipe 231 supplies water, and second annular spray pipe 231 plays the effect of founding the water curtain, provides the water source for centrifuging tube 22 inner wall, improves centrifuging tube 22 inner wall to the adsorption efficiency of dust particulate matter etc. strengthens secondary centrifugal separation's effect.
Referring to fig. 9, a dust removal circular tube 31 is disposed inside the electrostatic dust removal device 3, an alloy high-voltage wire 32 penetrates through the center of the dust removal circular tube 31, a second helical blade 33 is connected to the inner wall of the dust removal circular tube 31, and the upper end and the lower end of the dust removal circular tube 31 are both connected with mounting frames to play a role in fixing, and meanwhile, gas is guided into the dust removal circular tube 31 through the mounting frames.
In order to better show the separation process of the centrifugal separation device for wet electro-dust removal of the denitration tower, the embodiment now provides a separation method of the centrifugal separation device for wet electro-dust removal of the denitration tower, which includes the following steps:
the method comprises the following steps: the dust-containing gas is introduced into the dust inlet cylinder 2 through the dust inlet pipe 21, the dust-containing gas entering the dust inlet cylinder 2 is conveyed onto the arc-shaped blades 244, the arc-shaped blades 244 drive the outer ring 242 to rotate at a high speed, the outer ring 242 and the inner ring 241 are connected through the connecting ring 243, the inner ring 241 and the outer ring 242 rotate simultaneously, so that the connecting frame 245 drives the fan 246 to rotate, negative pressure is generated above the centrifugal tube 22, power is enhanced for ascending air below, and centrifugal force is improved;
step two: the dust-containing gas entering the dust inlet cylinder 2 enters the centrifuge cylinder 1 through the guide plate 223, the guide plate 223 is spirally and obliquely arranged on the outer wall of the centrifuge tube 22, the gas enters the centrifuge cylinder 1 in a spiral shape through the guide of the guide plate 223, the dust-containing gas moves downwards in the centrifuge cylinder 1 in a spiral shape, at the moment, the first annular water spraying pipe 15 sprays water downwards to adsorb particles in the gas, the dust particles in the gas sink to the lower end of the centrifuge cylinder 1 along the inner wall of the centrifuge cylinder 1 under the action of centrifugal force, and the gas enters the centrifuge tube 22 from the lower end of the centrifuge tube 22 to complete the first centrifugal separation;
step three: after the second annular water spraying pipe 231 is filled with water, the water outlet 232 guides the water to the inner wall of the guide cover 23 to form a water curtain, the water curtain moves downwards under the action of self weight, so that a flowing water body always exists on the inner wall of the centrifuge tube 22, the lower end of the guide cover 23 extends into the dust inlet barrel 2, the water can be prevented from being guided into the wind power transmission frame 24, the gas spirally moves upwards in the centrifuge tube 22, the generated centrifugal force throws dust contained in the gas to the inner wall of the centrifuge tube 22, the dust is adsorbed by the water curtain and rushes to the bottom of the centrifuge tube 1, and the fan 246 rotates to drive the gas to move upwards, so that the flowing speed of the gas is accelerated, the centrifugal effect is improved, and the second centrifugal separation is;
step four: the guide cover 23 guides the gas into the electrostatic dust removal device 3, the gas moves upwards through the dust removal circular tube 31, the alloy high-voltage wire 32 is electrified, the second spiral blade 33 enables the gas to move upwards in a spiral shape again, centrifugal force is generated, and third centrifugal separation is achieved;
step five: the mixed particles of the spray water are deposited at the lower end of the centrifugal cylinder 1 and can be cleaned through the sewage discharge outlet 12, and when the accumulated water exceeds the overflow pipe 13, the accumulated water can overflow through the overflow pipe 13.
In summary, the following steps: this denitration tower wet electricity centrifugation device and method for dust removal, realize one-level centrifugation through centrifuge tube 1, accomplish secondary centrifugation in centrifuging tube 22, realize tertiary centrifugation in electrostatic precipitator device 3 at last, the process is continuous, compact structure, small in floor area, tertiary centrifugation, improve centrifugation's effect greatly, set up wind-force transmission frame 24 in dust inlet tube 2, it is rotatory to utilize the wind-force of dust inlet tube 21 to drive arc blade 244, thereby realize that fan 246 is rotatory to produce the negative pressure, improve the velocity of flow of gas in centrifuging tube 22, strengthen centrifuging tube 22's centrifugal effect, and set up first annular spray pipe 15 and second annular spray pipe 231, through spraying and water curtain, utilize water to adsorb the dust, accelerate the dust to descend, further improve the centrifugal speed of separation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides a wet electric dust removal of denitration tower is with centrifugal separation device, includes centrifuge tube (1), advances dirt section of thick bamboo (2) and electrostatic precipitator device (3), its characterized in that: the upper end of the centrifugal cylinder (1) is fixedly connected with the lower end of the dust inlet cylinder (2), and the upper end of the dust inlet cylinder (2) is fixedly connected with the electrostatic dust collection device (3);
the side wall of the centrifugal cylinder (1) is connected with a support (11), the lower end of the centrifugal cylinder (1) is fixedly connected with a sewage discharge outlet (12), the side wall of the centrifugal cylinder (1) is fixedly connected with an overflow pipe (13), the upper end of the centrifugal cylinder (1) is fixedly connected with an annular top plate (14), and the center of the annular top plate (14) is fixedly connected with the lower end of the dust inlet cylinder (2);
the electrostatic dust collection device is characterized in that a dust collection circular tube (31) is arranged inside the electrostatic dust collection device (3), an alloy high-voltage wire (32) penetrates through the center of the dust collection circular tube (31), and a second helical blade (33) is connected to the inner wall of the dust collection circular tube (31).
2. The centrifugal separation device for wet electro-dedusting of the denitration tower as claimed in claim 1, wherein: one end of the overflow pipe (13) is connected with a vertical tube (131), the lower end of the vertical tube (131) is provided with a water inlet hole (132), and a floating ball (133) is arranged inside the lower end of the vertical tube (131).
3. The centrifugal separation device for wet electro-dedusting of the denitration tower as claimed in claim 1, wherein: the centrifugal cylinder is characterized in that a first annular water spraying pipe (15) is arranged on the lower surface of the annular top plate (14), atomizing heads (151) are arranged on the lower surface of the first annular water spraying pipe (15) at equal intervals, one end of the first annular water spraying pipe (15) is connected with a first water inlet pipe (152), and the first water inlet pipe (152) penetrates through the centrifugal cylinder (1).
4. The centrifugal separation device for wet electro-dedusting of the denitration tower as claimed in claim 1, wherein: advance one side fixedly connected with of dirt section of thick bamboo (2) upper end and advance dirt pipe (21), the inside of advancing dirt section of thick bamboo (2) is provided with centrifuging tube (22), guide housing (23) and wind drive frame (24), set up water chute (221) of equidistance distribution on the inner wall of centrifuging tube (22), the inside of centrifuging tube (22) is provided with first helical blade (222), be connected with deflector (223) on the outer wall of centrifuging tube (22) upper end, one side and the inner wall fixed connection who advances dirt section of thick bamboo (2) of heart pipe (22) are kept away from in deflector (223), the upper end block of centrifuging tube (22) is connected with wind drive frame (24), wind drive frame (24) include inner circle (241), outer lane (242), go-between (243), the lateral wall of outer lane (241) passes through the inside wall fixed connection of inner circle go-between (243) and outer lane (242), fixedly connected with sleeve (234) on the lateral wall, the side wall of the guide cover (23) is connected with the inner wall of the dust inlet cylinder (2) through a connecting piece.
5. The centrifugal separation device for wet electro-dedusting of the denitration tower as set forth in claim 4, wherein: the wind power transmission frame (24) further comprises arc-shaped blades (244), a connecting frame (245) and a fan (246), the arc-shaped blades (244) are fixedly connected with the outer wall of the outer ring (242), the connecting frame (245) is fixedly connected with the inner wall of the inner ring (241), and the fan (246) is installed at the center of the connecting frame (245) through a straight rod.
6. The centrifugal separation device for wet electro-dedusting of the denitration tower as set forth in claim 4, wherein: the upper end of direction cover (23) is connected with second annular spray pipe (231), and delivery port (232) have been seted up to the lower surface of second annular spray pipe (231), and one side fixedly connected with second inlet tube (233) of second annular spray pipe (231), and dust inlet pipe (2) are run through in second inlet tube (233).
7. The centrifugal separation device for wet electro-dedusting of the denitration tower as set forth in claim 4, wherein: the upper and lower surfaces of the connection ring (243) are connected with balls (2431).
8. The centrifugal separation device for wet electro-dedusting of the denitration tower as claimed in claim 6, wherein: the lower end of the guide cover (23) extends into the dust inlet cylinder (2).
9. The centrifugal separation device for wet electro-dedusting of the denitration tower as claimed in claim 6, wherein: the guide plate (223) is spirally and obliquely arranged on the outer wall of the centrifugal tube (22).
10. The separation method of the centrifugal separation device for wet electro-dedusting of the denitration tower as set forth in any one of claims 1 to 9, comprising the steps of:
s1: the dust-containing gas is introduced into the dust inlet cylinder (2) through the dust inlet pipe (21), the dust-containing gas entering the dust inlet cylinder (2) is applied to the arc-shaped blades (244) to drive the outer ring (242) to rotate, the outer ring (242) and the inner ring (241) are connected through the connecting ring (243) and rotate at the same time, the connecting frame (245) drives the fan (246) to rotate, and negative pressure is generated above the centrifugal tube (22);
s2: the dust-containing gas entering the dust inlet cylinder (2) enters the centrifugal cylinder (1) through the guide plate (223), and the dust-containing gas spirally moves downwards in the centrifugal cylinder (1), at the moment, the first annular water spray pipe (15) sprays water downwards to adsorb particles in the gas, the dust particles in the gas sink to the lower end of the centrifugal cylinder (1) along the inner wall of the centrifugal cylinder (1) under the action of centrifugal force, and the gas enters the centrifugal tube (22) from the lower end of the centrifugal tube (22) to complete the first centrifugal separation;
s3: after the second annular water spraying pipe (231) is filled with water, the water outlet (232) guides the water to the inner wall of the guide cover (23) to form a water curtain, the water curtain moves downwards under the action of self weight, so that flowing water is always arranged on the inner wall of the centrifugal pipe (22), the gas moves upwards in a spiral manner in the centrifugal pipe (22), the generated centrifugal force throws dust contained in the gas to the inner wall of the centrifugal pipe (22), the dust is adsorbed by the water curtain and rushes to the bottom of the centrifugal cylinder (1), and the fan (246) rotates to drive the gas to move upwards to complete the second centrifugal separation;
s4: the guide cover (23) guides the gas into the electrostatic dust collection device (3), the gas moves upwards through the dust collection circular tube (31), the alloy high-voltage wire (32) is electrified, the second spiral blade (33) enables the gas to move upwards in a spiral shape again, and centrifugal force is generated;
s5: the spray water mixed particles are deposited at the lower end of the centrifugal cylinder (1), can be cleaned through the sewage discharge port (12), and can overflow through the overflow pipe (13) when accumulated water exceeds the overflow pipe (13).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115739423A (en) * | 2022-11-22 | 2023-03-07 | 连云港赣榆康恒环保能源有限公司 | High-speed rotation centrifugal desulfurization atomizer for garbage power generation |
| CN117695795A (en) * | 2023-12-07 | 2024-03-15 | 连云港石化有限公司 | Method and equipment for precise oil and dust removal in gas |
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| CN101528355A (en) * | 2006-09-21 | 2009-09-09 | 沃泰克斯生态学技术公司 | Vortex cyclone separator with aqueous stream injectors |
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| WO2018148940A1 (en) * | 2017-02-17 | 2018-08-23 | 美的集团股份有限公司 | Electrostatic dust removal apparatus and air treatment device |
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