CN116116199B - Coking flue gas desulfurization dust removal device and use method thereof - Google Patents
Coking flue gas desulfurization dust removal device and use method thereof Download PDFInfo
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- CN116116199B CN116116199B CN202310351605.4A CN202310351605A CN116116199B CN 116116199 B CN116116199 B CN 116116199B CN 202310351605 A CN202310351605 A CN 202310351605A CN 116116199 B CN116116199 B CN 116116199B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses a coking flue gas desulfurization dust removal device and a use method thereof, belonging to the field of flue gas desulfurization dust removal. The device comprises a shell, wherein a dust removing cavity and a desulfurizing cavity are arranged in the shell, an air outlet pipe is arranged on the right side of a top space of the desulfurizing cavity, an air inlet pipe is arranged on the left side of the shell, the right end of the air inlet pipe extends into the dust removing cavity and is communicated with a telescopic pipe, a hollow strip is arranged in the dust removing cavity, a plurality of air outlet holes are formed in the inner top of the hollow strip, the other end of the telescopic pipe is communicated with the hollow strip, and desulfurizing agent is filled in the desulfurizing cavity; the moving mechanism is used for moving the hollow strip left and right in a reciprocating manner; and the gas washing mechanism is used for removing dust in the flue gas. The utility model can continuously treat the flue gas in the whole operation process, improves the efficiency of flue gas treatment to a certain extent, and further improves the dust removal and desulfurization effects.
Description
Technical Field
The utility model relates to the field of flue gas desulfurization and dust removal, in particular to a coking flue gas desulfurization and dust removal device.
Background
The coke oven flue gas is the most main waste gas pollution source in coking enterprises and mainly comprises SO 2 And smoke dust, etc., and the pollutants are continuously discharged, so that the pollution to the atmosphere environment is increasingly serious. With the increase of environmental protection requirements, the flue gas contains a large amount of ashDust, if according to traditional coking flue gas desulfurization technology, directly carry out the washing liquid desulfurization to the flue gas, can lead to there is a large amount of dust in the washing liquid, after long-time work, the dust can pile up in equipment bottom, is difficult to clear up, and needs often to change the washing liquid.
The utility model patent with the publication number of CN215539786U discloses an environment-friendly coking flue gas desulfurization dust collector, which comprises a tank body, wherein a first baffle and a second baffle are sequentially arranged in the tank body from left to right, the first baffle and the second baffle divide the interior of the tank body into a dust removing chamber, a desulfurization chamber and a spray chamber, a first baffle, a second baffle and a third baffle are sequentially fixed in the interior of the desulfurization chamber from top to bottom, and a plurality of evenly distributed leak holes are respectively arranged on the right sides of the first baffle and the third baffle and the left sides of the second baffle. The utility model can effectively remove sludge, fully contact the flue gas with the washing liquid and improve the desulfurization effect.
In the above scheme, the flue gas is firstly let to pass through clear water to remove dust, but in the actual use process, we find that by adopting the mode, clear water can gather a large amount of dust after passing through the flue gas for a period of time, so that the water body needs to be replaced, and when the water body is replaced, the injection of the flue gas needs to be stopped in order to avoid the leakage of the flue gas, so that the continuity of flue gas treatment is undoubtedly reduced, the overall efficiency is reduced, and therefore, how to solve the problem is considered.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides the coking flue gas desulfurization dust removal device and the use method thereof, wherein the flue gas can be treated continuously in the whole operation process, so that the flue gas treatment efficiency is improved to a certain extent, and the dust removal and desulfurization effects are improved.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the coking flue gas desulfurization dust removal device comprises a shell, a dust removal cavity and a desulfurization cavity are arranged in the shell, an air outlet pipe is arranged on the right side of the top space of the desulfurization cavity, an air inlet pipe is arranged on the left side of the shell, the right end of the air inlet pipe extends into the dust removal cavity and is communicated with one end of a telescopic pipe, a hollow strip is arranged in the dust removal cavity, a plurality of air outlet holes are formed in the inner top of the hollow strip, the other end of the telescopic pipe is communicated with the hollow strip, a desulfurizing agent is filled in the desulfurization cavity, and a moving mechanism is used for moving the hollow strip left and right in a reciprocating manner; the gas washing mechanism is used for removing dust in the flue gas; the desulfurization mechanism is positioned in the desulfurization cavity and is used for realizing uniform desulfurization.
Preferably, the moving mechanism comprises a first reciprocating screw rod rotatably connected between the inner walls at the left side and the right side of the dust removing cavity, and the first reciprocating screw rod penetrates through the hollow strip and is in threaded connection with the hollow strip.
Preferably, the gas washing mechanism comprises a hollow ring fixedly connected in the dust removing cavity, a plurality of atomizing spray heads are arranged on the inner side of the hollow ring, a water pump is arranged on the left side of the shell, and the water outlet end of the water pump is communicated with the hollow ring.
Preferably, the desulfurization mechanism comprises a U-shaped mounting frame arranged at the bottom of a desulfurization cavity, a rotating pipe is arranged on the U-shaped mounting frame in a penetrating manner, the rotating pipe is rotationally connected with the U-shaped mounting frame, a plurality of air ejector pipes are fixedly connected to the outer side of the upper end part of the rotating pipe, one end of a unidirectional communicating pipe is communicated with the top space of the dust removal cavity, the other end of the unidirectional communicating pipe extends into the desulfurization cavity, and the unidirectional communicating pipe is communicated with the lower end of the rotating pipe through a rotary joint.
Preferably, the right side of casing installs the motor, the output shaft of motor extends to the desulfurization intracavity to install first bevel gear, fixedly connected with on the rotation tube with first bevel gear engaged second bevel gear, the right-hand member of first reciprocating screw extends to the desulfurization intracavity to fixedly connected with dwang, the right-hand member fixedly connected with of dwang with second bevel gear engaged third bevel gear.
Preferably, the inner bottom of the dust removing cavity is communicated with the left space of the temporary storage box through a first liquid dropping pipe, the left space of the temporary storage box is communicated with the outside through a second liquid dropping pipe, a normally open electromagnetic valve is arranged in the first liquid dropping pipe, and a normally closed electromagnetic valve is arranged in the second liquid dropping pipe.
Preferably, a piston plate capable of sliding left and right is arranged in the temporary storage box, a U-shaped connecting plate is fixedly connected to the right side of the piston plate, a second reciprocating screw rod is rotatably connected to the inner wall of the right side of the temporary storage box, the second reciprocating screw rod penetrates through the U-shaped connecting plate and is in threaded connection with the U-shaped connecting plate, the right end of the second reciprocating screw rod extends to the outside, an output shaft of the motor is in transmission connection with the second reciprocating screw rod through a transmission structure, the transmission structure comprises two belt pulleys, one belt pulley is fixed to the right end of the second reciprocating screw rod, and the other belt pulley is installed on the output shaft of the motor through a one-way bearing.
Preferably, a plurality of elastic ropes are fixedly connected between the left inner wall and the right inner wall of the desulfurization cavity, a plurality of bearing steel wires are fixedly connected between the front inner wall and the rear inner wall of the desulfurization cavity, the upper ends of the bearing steel wires are in contact with the lower ends of the plurality of elastic ropes, a plurality of connecting strips are fixedly connected between the front inner wall and the rear inner wall of the desulfurization cavity, each connecting strip is provided with a plurality of guide holes in a penetrating mode, a plurality of connecting ropes are fixedly connected between every two matched elastic ropes, each connecting rope is fixedly connected with a vertical rod at the lower end of each connecting rope, each vertical rod is provided with a corresponding guide hole in a penetrating mode, each vertical rod is fixedly connected with an iron ball, and one of the upper ends of the air ejector tubes are fixedly connected with magnetic strips.
Preferably, a flexible pipe is arranged between the left side of the piston plate and the left side inner wall of the temporary storage box, a plurality of air injection holes are formed in the outer side of the flexible pipe, a telescopic bag is arranged between the hollow strip and the left side inner wall of the dust removal cavity, the left side space of the telescopic bag is communicated with the outside through a first unidirectional pipe, the left side space of the telescopic bag is communicated with the flexible pipe through a second unidirectional pipe, and the first unidirectional pipe and the second unidirectional pipe are internally provided with unidirectional valves.
The utility model also discloses a using method of the coking flue gas desulfurization dust removal device, which comprises the following steps:
the first step: the air inlet pipe is communicated with an external flue gas outlet, gas enters the dust removing cavity through the air inlet pipe, the motor is started to rotate positively, and the water pump is started to realize the desulfurization and dust removing process;
and a second step of: when a large amount of water exists in the temporary storage box, the motor is started to reversely rotate, and the normally open electromagnetic valve and the normally closed electromagnetic valve are simultaneously electrified to perform a waste water discharging procedure;
and a third step of: after the wastewater is discharged, the piston plate is displaced to an initial position, the motor is started to rotate forward, and the normally open electromagnetic valve and the normally closed electromagnetic valve are powered off.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the starter motor, can let the hollow bar left and right sides reciprocating motion, make spun gas contact water pump spun water more evenly, guarantee the homogeneity of dust removal, gas after the dust removal is in the form of moving entering into the desulfurizing agent in addition, also can increase its contact homogeneity with the desulfurizing agent, guaranteed the effect of desulfurization.
2. Be provided with one-way bearing, utilize the reverse rotation of motor, can get rid of the sewage after the dust removal, need not to stop the injection of flue gas, in the whole operation process, can uninterruptedly carry out the processing of flue gas, improved the efficiency of flue gas processing to a certain extent relative to prior art.
3. Through the setting of elastic rope, in the desulfurization process, the elastic rope can reciprocal shake, breaks up the bubble that contains sulfur in the desulfurizing agent, has avoided appearing some bubbles and has not broken the condition emergence that just leaves the desulfurizing agent.
Drawings
FIG. 1 is a schematic diagram of an embodiment 1 of the present utility model;
FIG. 2 is an enlarged view at A of FIG. 1;
FIG. 3 is a top view of the hollow strip of FIG. 1;
FIG. 4 is a schematic diagram of embodiment 2 of the present utility model;
FIG. 5 is an enlarged view at B of FIG. 4;
FIG. 6 is a top view of the elastic cord mated with the attachment strip;
FIG. 7 is a schematic diagram of embodiment 3 of the present utility model;
fig. 8 is an enlarged view at C of fig. 7.
In the figure: 1 shell, 2 dust removal chambers, 3 desulfurization chambers, 4 air inlet pipes, 5 telescopic pipes, 6 hollow strips, 7 air outlet pipes, 8 hollow rings, 9 atomizing spray heads, 10 water pumps, 11 temporary storage boxes, 12 motors, 13 transmission structures, 14 piston plates, 15 first liquid dropping pipes, 16 second liquid dropping pipes, 17 second reciprocating screw rods, 18U-shaped connecting plates, 19 first reciprocating screw rods, 20 rotating rods, 21 unidirectional communicating pipes, 22 rotating joints, 23U-shaped mounting frames, 24 rotating pipes, 25 air injection pipes, 26 second bevel gears, 27 first bevel gears, 28 third bevel gears, 29 air outlet holes, 30 magnetic strips, 31 elastic ropes, 32 connecting ropes, 33 connecting strips, 34 guide holes, 35 vertical rods, 36 iron balls, 37 flexible pipes, 38 second unidirectional pipes, 39 first unidirectional pipes, 40 telescopic bags and 41 bearing steel wires.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Example 1: referring to fig. 1-3, the coking flue gas desulfurization dust removal device comprises a shell 1, a dust removal cavity 2 and a desulfurization cavity 3 are arranged in the shell 1, an air outlet pipe 7 is arranged on the right side of the top space of the desulfurization cavity 3, an air inlet pipe 4 is arranged on the left side of the shell 1, the right end of the air inlet pipe 4 extends into the dust removal cavity 2 and is communicated with one end of an extension pipe 5, hollow strips 6 are arranged in the dust removal cavity 2, the front side and the rear side of the hollow strips 6 are in sliding connection with the front wall and the rear wall of the dust removal cavity 2, a plurality of air outlet holes 29 are formed in the inner top of the hollow strips 6, the other end of the extension pipe 5 is communicated with the hollow strips 6, and desulfurizing agent is filled in the desulfurization cavity 3;
as an embodiment of the utility model, the device also comprises a moving mechanism, wherein the moving mechanism is used for moving the hollow bar 6 back and forth left and right, the moving mechanism comprises a first reciprocating screw rod 19 rotatably connected between the inner walls at the left side and the right side of the dust removing cavity 2, and the first reciprocating screw rod 19 penetrates through the hollow bar 6 and is in threaded connection with the hollow bar 6;
as an implementation mode of the utility model, the device also comprises a gas washing mechanism, wherein the gas washing mechanism is used for removing dust in flue gas, the gas washing mechanism comprises a hollow ring 8 fixedly connected in the dust removing cavity 2, a plurality of atomizing nozzles 9 are arranged on the inner side of the hollow ring 8, a water pump 10 is arranged on the left side of the shell 1, the water outlet end of the water pump 10 is communicated with the hollow ring 8, and the water inlet end of the water pump 10 is communicated with an external water tank;
as an embodiment of the utility model, the desulfurization device further comprises a desulfurization mechanism, the desulfurization mechanism is positioned in the desulfurization cavity 3, the desulfurization mechanism is used for realizing uniform desulfurization, the desulfurization mechanism comprises a U-shaped mounting frame 23 arranged at the bottom in the desulfurization cavity 3, a rotating pipe 24 is arranged on the U-shaped mounting frame 23 in a penetrating way, the rotating pipe 24 is in rotating connection with the U-shaped mounting frame 23, a plurality of air ejector pipes 25 are fixedly connected to the outer side of the upper end part of the rotating pipe 24, the top space of the dedusting cavity 2 is communicated with one end of a unidirectional communicating pipe 21, the unidirectional mobility of the unidirectional communicating pipe 21 is that the dedusting cavity 2 enters the desulfurization cavity 3 in a unidirectional way, and the other end of the unidirectional communicating pipe 21 extends into the desulfurization cavity 3 and is communicated with the lower end of the rotating pipe 24 through a rotary joint 22;
as one embodiment of the utility model, the right side of the shell 1 is provided with the motor 12, the output shaft of the motor 12 extends into the desulfurization cavity 3 and is provided with the first bevel gear 27, the rotary pipe 24 is fixedly connected with the second bevel gear 26 meshed with the first bevel gear 27, the right end of the first reciprocating screw rod 19 extends into the desulfurization cavity 3 and is fixedly connected with the rotary rod 20, and the right end of the rotary rod 20 is fixedly connected with the third bevel gear 28 meshed with the second bevel gear 26;
as one implementation mode of the utility model, the inner bottom of the dust removing cavity 2 is communicated with the left space of the temporary storage box 11 through a first liquid dropping pipe 15, the left space of the temporary storage box 11 is communicated with the outside through a second liquid dropping pipe 16, a normally open electromagnetic valve is installed in the first liquid dropping pipe 15, a normally closed electromagnetic valve is installed in the second liquid dropping pipe 16, a piston plate 14 capable of sliding left and right is arranged in the temporary storage box 11, a U-shaped connecting plate 18 is fixedly connected to the right side of the piston plate 14, a second reciprocating screw 17 is rotatably connected to the right inner wall of the temporary storage box 11, the second reciprocating screw 17 penetrates through the U-shaped connecting plate 18 and is in threaded connection with the U-shaped connecting plate 18, the right end of the second reciprocating screw 17 extends to the outside, an output shaft of the motor 12 is in transmission connection with the second reciprocating screw 17 through a transmission structure 13, one belt pulley is fixed at the right end of the second reciprocating screw 17, the other belt pulley is installed at the output shaft of the motor 12 through a one-way bearing, the motor 12 is positively rotated without driving the belt pulley, and the motor 12 is reversely rotated, and the belt pulley is driven to rotate.
In the utility model, an air inlet pipe 4 is communicated with an external flue gas outlet, gas enters a dust removing cavity 2 through the air inlet pipe 4, a motor 12 is started to rotate positively in the process, a water pump 10 is started at the same time, and a water curtain layer is generated at the top part of the dust removing cavity 2 after the water pump 10 is started;
the flue gas discharged from the hollow strip 6 firstly passes through the water curtain layer part to wash out dust in the flue gas, the flue gas with dust removed enters the desulfurization cavity 3 through the one-way communicating pipe 21 and enters the rotating pipe 24 through the rotating joint 22, and finally enters the desulfurizing agent in the desulfurization cavity 3 from the plurality of air injection pipes 25 to realize desulfurization, and the gas after desulfurization is finally discharged from the air outlet pipe 7;
in addition, in the process, the motor 12 is started to drive the rotary pipe 24 to rotate through the cooperation of the first bevel gear 27 and the second bevel gear 26, and the rotary pipe 24 rotates to enable the plurality of air injection pipes 25 to inject air in a rotary mode, so that the dedusted gas is more uniformly contacted with the desulfurizing agent, and a more uniform and comprehensive desulfurizing effect is realized;
the rotation of the rotating tube 24, through the cooperation of the second bevel gear 26 and the third bevel gear 28, can make the rotating rod 20 rotate, so that the first reciprocating screw rod 19 rotates, the first reciprocating screw rod 19 rotates to make the hollow bar 6 reciprocate left and right, the reciprocating left and right movement of the hollow bar 6 can increase the air injection range, and therefore the sprayed air is more uniformly contacted with the water curtain layer, and a more uniform dust settling effect can be realized;
it should be noted that the water body in the water curtain layer moves downwards under the action of gravity, finally enters the temporary storage box 11 through the first liquid dropping pipe 15, namely, the water body carrying dust in the temporary storage box 11, and after the water body is gathered to a certain extent, the normally open electromagnetic valve and the normally closed electromagnetic valve are simultaneously electrified, the first liquid dropping pipe 15 at this time is sealed, the second liquid dropping pipe 16 is conducted, the starting motor 12 is reversely rotated, the reciprocating screw 17 can be rotated through the transmission structure 13, the piston plate 14 moves leftwards and rightwards firstly, the piston plate 14 moves leftwards, the water body with dust can be rapidly discharged outside through the second liquid dropping pipe 16, and after the piston plate 14 moves rightwards to an initial position, the motor 12 rotates positively, and the normally open electromagnetic valve and the normally closed electromagnetic valve are simultaneously powered off, so that the discharge of waste water is completed.
Example 2: referring to fig. 4-6, this embodiment is different from embodiment 1 in that a plurality of elastic ropes 31 are fixedly connected between the left and right inner walls of the desulfurization chamber 3, a plurality of supporting steel wires 41 are fixedly connected between the front and rear inner walls of the desulfurization chamber 3, the upper ends of the plurality of supporting steel wires 41 are in contact with the lower ends of the plurality of elastic ropes 31, a plurality of connecting strips 33 are fixedly connected between the front and rear inner walls of the desulfurization chamber 3, a plurality of guide holes 34 are formed in each connecting strip 33 in a penetrating manner, a plurality of connecting ropes 32 are fixedly connected between each two matched elastic ropes 31, a vertical rod 35 is fixedly connected to the lower end of each connecting rope 32, a corresponding guide hole 34 is formed in the lower end of each vertical rod 35 in a penetrating manner, an iron ball 36 is fixedly connected to the lower end of one of the air injection pipes 25, and a magnetic strip 30 is fixedly connected to the upper end of one of the air injection pipes 25.
In the process of rotating the air lance 25, the magnetic strip 30 intermittently approaches and departs from the plurality of iron balls 36, taking one iron ball 36 as an example, when the magnetic strip 30 approaches the iron ball 36, the iron ball 36 moves down and pulls the connecting rope 32 to bend downwards through the vertical rod 35, but the corresponding two elastic ropes 31 cannot move downwards due to the limit action of the supporting steel wire 41, and only the relative movement can be performed, and then when the magnetic strip 30 leaves the iron ball 36, the two elastic ropes 31 move back to back due to the elastic action of the elastic ropes 31, namely, each two corresponding elastic ropes 31 move back to back due to the magnetic action of the magnetic strip 30, and the plurality of elastic ropes 31 move back and forth in the horizontal direction along with the movement of the magnetic strip 30, so that the air sprayed from the plurality of air lances 25 can break the air bubbles after entering the desulfurizing agent in the form, and the shearing action of the plurality of elastic ropes 31 can ensure complete contact with the desulfurizing agent.
Example 3: referring to fig. 7-8, this embodiment is different from embodiment 2 in that a flexible tube 37 is provided between the left side of the piston plate 14 and the left side inner wall of the temporary storage box 11, a plurality of air injection holes are provided on the outside of the flexible tube 37, a bellows 40 is provided between the hollow bar 6 and the left side inner wall of the dust removal chamber 2, the left side space of the bellows 40 is communicated with the outside through a first one-way tube 39, the left side space of the bellows 40 is communicated with the flexible tube 37 through a second one-way tube 38, and one-way valves are installed in the first one-way tube 39 and the second one-way tube 38.
In the process of the left-right reciprocating motion of the hollow strip 6, the telescopic bag 40 is stretched and compressed in a reciprocating manner, when the telescopic bag 40 is stretched, air is supplemented from the outside, when the telescopic bag 40 is compressed, the air is pressed into the flexible pipe 37 and finally sprayed out from the plurality of air spraying holes, so that the water body containing dust in the temporary storage box 11 is in a motion state, the dust aggregation can be avoided, the subsequent discharge of the water body is facilitated, and the blocking of the second liquid dropping pipe 16 during the discharge of the dust aggregation is avoided.
The utility model also discloses a using method of the coking flue gas desulfurization dust removal device, which comprises the following steps:
the first step: the air inlet pipe 4 is communicated with an external flue gas outlet, the air inlet pipe 4 enters the dust removing cavity 2, the motor 12 is started to rotate positively, and the water pump 10 is started to realize a desulfurization dust removing process;
and a second step of: when a large amount of water exists in the temporary storage box 11, the motor 12 is started to reversely rotate, and the normally open electromagnetic valve and the normally closed electromagnetic valve are simultaneously electrified to perform a waste water discharging procedure;
and a third step of: when the discharge of the waste water is completed, the piston plate 14 is displaced to the initial position, and the motor 12 is started to rotate in the forward direction, and the normally open solenoid valve and the normally closed solenoid valve are powered off.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (4)
1. Coking flue gas desulfurization dust collector, its characterized in that includes:
the dust removal device comprises a shell (1), wherein a dust removal cavity (2) and a desulfurization cavity (3) are arranged in the shell (1), an air outlet pipe (7) is arranged on the right side of a top space of the desulfurization cavity (3), an air inlet pipe (4) is arranged on the left side of the shell (1), the right end of the air inlet pipe (4) extends into the dust removal cavity (2) and is communicated with one end of a telescopic pipe (5), a hollow strip (6) is arranged in the dust removal cavity (2), a plurality of air outlet holes (29) are formed in the inner top of the hollow strip (6), the other end of the telescopic pipe (5) is communicated with the hollow strip (6), and a desulfurizing agent is filled in the desulfurization cavity (3);
the moving mechanism is used for moving the hollow strip (6) left and right in a reciprocating manner;
the gas washing mechanism is used for removing dust in the flue gas;
the desulfurization mechanism is positioned in the desulfurization cavity (3) and is used for realizing uniform desulfurization;
the moving mechanism comprises a first reciprocating screw rod (19) which is rotatably connected between the inner walls of the left side and the right side of the dust removing cavity (2), and the first reciprocating screw rod (19) penetrates through the hollow strip (6) and is in threaded connection with the hollow strip (6);
the desulfurization mechanism comprises a U-shaped mounting frame (23) arranged at the inner bottom of a desulfurization cavity (3), a rotating pipe (24) is arranged on the U-shaped mounting frame (23) in a penetrating manner, the rotating pipe (24) is rotationally connected with the U-shaped mounting frame (23), a plurality of air ejector pipes (25) are fixedly connected to the outer side of the upper end part of the rotating pipe (24), one end of a one-way communicating pipe (21) is communicated with the top space of the dust removal cavity (2), and the other end of the one-way communicating pipe (21) extends into the desulfurization cavity (3) and is communicated with the lower end of the rotating pipe (24) through a rotary joint (22);
the right side of the shell (1) is provided with a motor (12), an output shaft of the motor (12) extends into the desulfurization cavity (3) and is provided with a first bevel gear (27), a second bevel gear (26) meshed with the first bevel gear (27) is fixedly connected to the rotating pipe (24), the right end of the first reciprocating screw rod (19) extends into the desulfurization cavity (3) and is fixedly connected with a rotating rod (20), and the right end of the rotating rod (20) is fixedly connected with a third bevel gear (28) meshed with the second bevel gear (26);
the utility model provides a desulfurization chamber (3) control inter-inner wall fixedly connected with a plurality of elastic ropes (31), a plurality of bearing steel wires (41) of fixedly connected with between the front and back inner wall of desulfurization chamber (3), a plurality of bearing steel wires (41)'s upper end and the lower extreme contact of a plurality of elastic ropes (31), fixedly connected with a plurality of connecting strips (33) between the front and back inner wall of desulfurization chamber (3), every all run through on connecting strip (33) and be provided with a plurality of guiding hole (34), every two matched with all fixedly connected with a plurality of connecting ropes (32) between elastic ropes (31), every equal fixedly connected with montant (35) of lower extreme of connecting rope (32), every the lower extreme of montant (35) all runs through corresponding guiding hole (34) to fixedly connected with iron ball (36), one of them the upper end fixedly connected with magnetic strip (30) of fumarole (25).
2. The coking flue gas desulfurization dust removal device according to claim 1, wherein the gas washing mechanism comprises a hollow ring (8) fixedly connected in the dust removal cavity (2), a plurality of atomizing nozzles (9) are arranged on the inner side of the hollow ring (8), a water pump (10) is arranged on the left side of the shell (1), and the water outlet end of the water pump (10) is communicated with the hollow ring (8).
3. The coking flue gas desulfurization dust removal device according to claim 1, wherein the inner bottom of the dust removal cavity (2) is communicated with the left space of the temporary storage box (11) through a first liquid dropping pipe (15), the left space of the temporary storage box (11) is communicated with the outside through a second liquid dropping pipe (16), a normally open electromagnetic valve is arranged in the first liquid dropping pipe (15), and a normally closed electromagnetic valve is arranged in the second liquid dropping pipe (16).
4. A coked flue gas desulfurization dust removal device according to claim 3, characterized in that a piston plate (14) capable of sliding left and right is arranged in the temporary storage box (11), a U-shaped connecting plate (18) is fixedly connected to the right side of the piston plate (14), a second reciprocating screw (17) is rotatably connected to the right side inner wall of the temporary storage box (11), the second reciprocating screw (17) penetrates through the U-shaped connecting plate (18) and is in threaded connection with the U-shaped connecting plate (18), the right end of the second reciprocating screw (17) extends to the outside, an output shaft of the motor (12) is in transmission connection with the second reciprocating screw (17) through a transmission structure (13), the transmission structure (13) comprises two belt pulleys, one belt pulley is fixed to the right end of the second reciprocating screw (17), and the other belt pulley is installed on the output shaft of the motor (12) through a one-way bearing.
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