CN119308717A - A wet dust collector for mining - Google Patents
A wet dust collector for mining Download PDFInfo
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- CN119308717A CN119308717A CN202411855305.0A CN202411855305A CN119308717A CN 119308717 A CN119308717 A CN 119308717A CN 202411855305 A CN202411855305 A CN 202411855305A CN 119308717 A CN119308717 A CN 119308717A
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- water
- sewage discharge
- sewage
- water bath
- tube body
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
- B01D21/2472—Means for fluidising the sediments, e.g. by jets or mechanical agitators
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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
-
- 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
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/06—Separation units provided with means for cleaning and maintenance
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
本发明涉及矿用除尘技术领域，公开了一种矿用湿式除尘器。通过当水浴箱与排污端之间产生沉积污泥时，排污端的污水流量降低使叶轮的转速降低，水浴箱完全打开使内部水完全向排污端排出，水的冲力推动沉积污泥向排污端流动，叶轮转速增加并带动拨动叶转动，拨动叶对排污端与水浴箱之间的沉积污泥进行拨动，以使沉积污泥更好地排出，有效地解决了在湿式除尘器中所产生的污水虽然会进行排出，但其中部分尘土会在湿式除尘器内的污水中产生沉淀，从而导致部分污泥无法排出，易造成湿式除尘器的运行故障的问题，避免除尘器内沉积的污泥无法排出，确保了除尘器稳定运行。
The present invention relates to the technical field of mine dust removal, and discloses a mine wet dust collector. When sediment sludge is generated between a water bath and a sewage discharge end, the sewage flow rate at the sewage discharge end is reduced to reduce the rotation speed of the impeller, the water bath is fully opened to discharge the internal water completely to the sewage discharge end, the water impulse pushes the sediment sludge to flow to the sewage discharge end, the impeller speed increases and drives the toggle blade to rotate, the toggle blade toggle the sediment sludge between the sewage discharge end and the water bath, so that the sediment sludge is better discharged, and the sewage generated in the wet dust collector is effectively solved. Although the sewage is discharged, part of the dust will be precipitated in the sewage in the wet dust collector, which will cause part of the sludge to be unable to be discharged, which is easy to cause the operation failure of the wet dust collector, and the sediment sludge in the dust collector cannot be discharged, which ensures the stable operation of the dust collector.
Description
Technical Field
The invention relates to the technical field of mining dust removal, in particular to a mining wet dust collector.
Background
Wet dust removal is a method of cleaning gas by sufficiently contacting water with the gas containing dust and washing the dust particles. The dust removing mode has high efficiency, the dust remover has simple structure, low cost, small occupied area and convenient operation and maintenance, and is particularly suitable for treating high-temperature, high-humidity, inflammable and explosive dust-containing gas. In addition, part of gaseous pollutants can be removed at the same time of dust removal. In mineral collection and roadway footage, a large amount of dust is generated due to underground operation, and particularly, a large amount of coal dust is generated when tunneling is performed in coal mine operation. In order to ensure the normal operation during the operation, dust must be collected and filtered to remove the excessive dust contained in the air. In the conventional dust removal operation, the treatment is mainly performed by wet dust removal.
In the existing wet dust collector, as in chinese patent application CN107185342a, coarse filter screen is additionally arranged at the inlet of air inlet pipe, large particles which can be precipitated by gravity are automatically filtered out in the process of inhaling through negative pressure blower, only small particles or dust are allowed to enter, so as to prevent the large particles from entering and then damaging the equipment, the air flow is cut off into curtain by periodical circulation of plectrum and baffle in the process of inhaling, then the entering air flow is humidified by spray conduit, the humidified air flow is guided into the next stage together with air and liquid flow by the flow guiding and intercepting effect of curtain fan plate, the wetted air is conveyed by the driving effect of curtain jet plate in the curtain humidifier which enters movable installation, on the other hand, the atomized air is further humidified by spraying atomizing gun, and the dust in the air is totally humidified and gradually forms larger particles to carry out dust coagulation, after the agglomeration of large particles, the fine particles in the air are also partially trapped after the wet filter plate passes through adsorption and adsorption cloth in the interior of the dirt collector, and the wet dust is not broken down into the drain, and the drain is influenced by the drain is discharged.
However, there is a problem in that although the sewage generated in the wet scrubber is discharged, a part of the dust is precipitated in the sewage in the wet scrubber, so that a part of the sludge is not discharged, and the operation failure of the wet scrubber is easily caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the mining wet dust collector, which has the advantages of avoiding that the sludge deposited in the dust collector cannot be discharged, ensuring the stable operation of the dust collector and the like, and solves the problems that part of dust can be precipitated in the sewage in the wet dust collector although the sewage generated in the wet dust collector can be discharged, so that part of sludge cannot be discharged and the operation failure of the wet dust collector is easy to cause.
The mining wet dust collector comprises a base, a dust removing mechanism arranged on the base and a sewage discharging mechanism arranged on the dust removing mechanism, wherein the dust removing mechanism comprises a pipe body and a water bath box, the pipe body is fixedly arranged on the base, and the water bath box is arranged in the pipe body;
The sewage draining mechanism comprises a sewage draining end, an impeller and a stirring blade, wherein the sewage draining end is arranged on the pipe body, the impeller is arranged in the sewage draining end, a plurality of stirring blades are arranged between the water bath tank and the sewage draining end, and the stirring blade is positioned in the pipe body;
when the dust remover works, the sewage discharge end discharges sewage generated in the water bath tank, when sediment sludge is generated between the water bath tank and the sewage discharge end, the sewage flow of the sewage discharge end is reduced to enable the rotation speed of the impeller to be reduced, the water bath tank is completely opened to enable internal water to be completely discharged from the sewage discharge end, the impulse force of the water pushes the sediment sludge to flow towards the sewage discharge end, the rotation speed of the impeller is increased and drives the stirring blade to rotate, and the stirring blade stirs the sediment sludge between the sewage discharge end and the water bath tank.
Preferably, the dust removing mechanism further comprises a motor, the motor is fixedly arranged at one end in the pipe body, a two-stage impeller is arranged on the shaft of the motor, the two-stage impellers are connected through reversing gear set power, the two-stage impellers are reversely arranged, so that the wind directions extracted by the two-stage impellers are the same, the two-stage impellers are positioned in the pipe body, a blocking net rack is fixedly arranged at one end of the pipe body, and the blocking net rack is positioned at one side of the motor.
Preferably, the water bath box is fixedly installed in the pipe body, the water bath box is located at the other side of the motor, a first wind collecting cover is arranged between the water bath box and the motor, the first wind collecting cover is fixedly installed in the pipe body, the first wind collecting cover is sealed with the pipe body, an extension wind opening is formed in the first wind collecting cover, the extension wind opening of the first wind collecting cover extends to the bottom end inside the water bath box, a wind outlet port is formed in the upper end of the side wall of the water bath box, and a water outlet is formed in the lower end of the side wall of the water bath box.
Preferably, a water drop nozzle frame is fixedly installed in the pipe body, the water drop nozzle frame is located above the air outlet port, a plurality of nozzles are arranged on the water drop nozzle frame, a water supply pipe is fixedly installed on the pipe body, and the water supply pipe is communicated with the water drop nozzle frame.
Preferably, a second air collecting cover is fixedly arranged in the pipe body, the second air collecting cover is sealed with the pipe body, the second air collecting cover is positioned on one side of the water drop nozzle frame, an air outlet is formed in the second air collecting cover, an air outlet of the second air collecting cover is positioned at the bottom end of the second air collecting cover, a separation box is fixedly arranged in the pipe body, one side of the separation box is communicated with the air outlet of the second air collecting cover, a central inner barrel is arranged in the separation box, two ends of the central inner barrel of the separation box are connected with two side inner walls of the separation box, a spiral guide vane is fixedly arranged on the central inner barrel of the separation box, the spiral guide vane is connected with an inner side arc wall of the separation box, an air outlet is formed in the upper end of the other side of the separation box, a plurality of cutting nozzles are arranged at the top end in the separation box, and the cutting nozzles are communicated with the water supply pipe.
Preferably, the drainage mechanism further comprises a drainage channel, the drainage channel is fixedly arranged at the bottom end of the inside of the pipe body, one end of the drainage channel is connected with the water bath box, one end of the drainage channel is communicated with the water outlet, the drainage channel penetrates through the second air collecting cover, the drainage channel penetrates through the separate box, the drainage channel penetrates through the spiral guide vane, the bottom end of the other end of the pipe body is provided with a drainage end, and the drainage end is adjacent to the other end of the drainage channel.
Preferably, an electric control lifting valve is fixedly installed on the side wall of the water bath box, the electric control lifting valve is opposite to the water outlet, the electric control lifting valve is used for controlling the water outlet to open and close, a water exchange pipe is fixedly installed on the pipe body, one end of the water exchange pipe is communicated with the water supply pipe, an electric control valve is fixedly installed on the other end of the water exchange pipe, and the electric control valve is communicated with the water bath box.
Preferably, the blowdown end is rotationally matched with a shaft rod, the shaft rod penetrates through the blowdown end, the impeller is fixedly installed on the shaft rod and located in the blowdown end, a detector is arranged at one end of the shaft rod and fixedly installed on the pipe body, the detector is used for detecting the rotating speed of the shaft rod, a positioning shaft is rotationally matched on the base, and a chain is tensioned on one end of the positioning shaft and the other end of the shaft rod.
Preferably, the bevel gear is fixedly installed on the other end of the positioning shaft, the linkage rod is rotatably matched on the base, teeth are arranged on one end of the linkage rod, one end of the linkage rod is meshed with the bevel gear, a plurality of auxiliary shafts are rotatably matched on the bottom end of the pipe body, the auxiliary shafts penetrate through the wall surface of the pipe body, stirring blades are fixedly installed on the upper ends of the auxiliary shafts, the stirring blades are located in the sewage draining channel, a plurality of bevel gears are arranged on the linkage rod, bevel teeth are arranged on the lower ends of the auxiliary shafts, and the lower ends of the auxiliary shafts are meshed with the bevel gears.
Compared with the prior art, the invention provides a mining wet dust collector, which has the following beneficial effects:
1. According to the mining wet dust collector, when sediment sludge is generated between the water bath box and the sewage draining end, the sewage flow of the sewage draining end is reduced, so that the rotating speed of the impeller is reduced, the water bath box is completely opened, internal water is completely discharged to the sewage draining end, the sediment sludge is pushed to flow to the sewage draining end by the impulsive force of the water, the rotating speed of the impeller is increased, the stirring blade is driven to rotate, the stirring blade is stirring the sediment sludge between the sewage draining end and the water bath box, so that the sediment sludge is better discharged, the problem that the sewage generated in the wet dust collector is discharged, but part of dust is precipitated in the sewage in the wet dust collector, so that part of sludge cannot be discharged, the problem of operation failure of the wet dust collector is easily caused, the phenomenon that the sediment sludge in the dust collector cannot be discharged is avoided, and the stable operation of the dust collector is ensured.
2. The mining wet dust collector is characterized in that the gas after water drop dust removal is discharged from the air outlet of the second air collecting cover to enter the separation box, the water supply pipe simultaneously supplies water to the cutting water spray nozzles so that the water spray nozzles spray water to the wall surfaces of the separation box, the wall surfaces of the separation box form water films, the gas after water drop dust removal is guided by the spiral guide sheets after entering the separation box, the gas after water drop dust removal is spirally conveyed in the separation box, the water films in the separation box are utilized to carry out water film dust removal on the gas after water drop dust removal, the gas after water film dust removal is discharged from the air outlet and is discharged from the pipe body, and at the moment, the discharged gas is clean gas so as to form multi-stage treatment of water bath dust removal, water drop dust removal and water film dust removal, and the dust removal quality of dust removal is effectively improved.
3. According to the mining wet dust collector, large objects possibly existing during dust suction are blocked through the blocking net frame, the dust collector is prevented from being damaged due to the fact that the dust collector sucks the objects during working, and the stable operation of the dust collector is effectively guaranteed.
Drawings
FIG. 1 is a schematic diagram showing the distribution of the internal structure of a pipe body according to the present invention;
FIG. 2 is a schematic diagram showing the structure distribution of the dust removing mechanism of the present invention;
FIG. 3 is a schematic diagram showing the distribution of the motor structure of the present invention;
FIG. 4 is a schematic diagram showing the distribution of the water bath structure of the invention;
FIG. 5 is a schematic view showing the distribution of the water droplet nozzle frame of the present invention;
FIG. 6 is a schematic view showing the distribution of the structure of the compartment of the present invention;
FIG. 7 is a schematic diagram showing the structural distribution of the sewage disposal mechanism of the present invention;
FIG. 8 is a schematic view showing the distribution of the structure at the linkage rod of the present invention;
FIG. 9 is a schematic view showing the distribution of structures at the drain end of the present invention;
fig. 10 is a schematic view of the overall structure of the dust collector of the present invention.
The device comprises a base, a dust removing mechanism, a 21, a pipe body, a 22, a motor, a 23, a two-stage impeller, a 24, a reversing gear set, a 25, a blocking net rack, a 26, a water bath box, a 27, a first wind collecting cover, a 28, an air outlet port, a 29, a water outlet port, a 210, a water drop spray head frame, a 211, a water supply pipe, a 212, a second wind collecting cover, a 213, a separate box, a 214, a spiral guide vane, a 215, an air outlet port, a 216, a water cutting nozzle, a3, a pollution discharging mechanism, a 31, a pollution discharging channel, a 32, a pollution discharging end, a 33, an electric control lifting valve, a 34, a water changing pipe, a 35, an electric control valve, a 36, a shaft lever, a 37, an impeller, a 38, a detector, a 39, a positioning shaft, a 310, a chain, a 311, a bevel gear, a 312, a linkage rod, a 313, an auxiliary shaft, a 314, a toggle blade, a 315 and a bevel gear.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As described in the background art, the application provides a mining wet dust collector for solving the technical problems.
In a typical embodiment of the application, as shown in fig. 1 and 10, a mining wet dust collector comprises a base 1, a dust removing mechanism 2 arranged on the base 1 and a pollution discharging mechanism 3 arranged on the dust removing mechanism 2, wherein the dust removing mechanism 2 comprises a pipe body 21 and a water bath box 26, the pipe body 21 is fixedly arranged on the base 1, and the water bath box 26 is arranged in the pipe body 21;
The sewage draining mechanism 3 comprises a sewage draining end 32, an impeller 37 and a stirring blade 314, the sewage draining end 32 is arranged on the pipe body 21, the impeller 37 is arranged in the sewage draining end 32, a plurality of stirring blades 314 are arranged between the water bath 26 and the sewage draining end 32, and the stirring blades 314 are positioned in the pipe body 21;
When the dust remover works, the sewage generated in the water bath tank 26 is discharged by the sewage discharge end 32, when sediment sludge is generated between the water bath tank 26 and the sewage discharge end 32, the rotation speed of the impeller 37 is reduced due to the sewage flow reduction of the sewage discharge end 32, the water bath tank 26 is completely opened to completely discharge internal water to the sewage discharge end 32, the sediment sludge is pushed to flow to the sewage discharge end 32 by the impulsive force of the water, the rotation speed of the impeller 37 is increased and drives the stirring blade 314 to rotate, and the stirring blade 314 stirs the sediment sludge between the sewage discharge end 32 and the water bath tank 26.
When the invention is used:
Firstly, water is injected into the water bath tank 26, then, a dust remover is started, dust is sucked into the pipe body 21, so that the dust is intensively fed into the water bath tank 26, the dust is led into water in the water bath tank 26 and then is discharged from the water, so that the water bath tank 26 removes dust in a water bath, then, the gas after water bath dust removal also passes through water drop dust removal and water film dust removal, the sewage after dust removal flows into the sewage discharge end 32 in the pipe body 21, the sewage is discharged from the pipe body 21 through the sewage discharge end 32, when the sewage flows into the sewage discharge end 32, the sewage impulse force rotates the impeller 37, and when deposited sludge is generated between the water bath tank 26 and the sewage discharge end 32, the sewage flow rate of the sewage discharge end 32 is reduced, at the moment, the water bath tank 26 is completely opened, so that the internal water is completely discharged to the sewage discharge end 32, the deposited sludge is pushed to flow to the sewage discharge end 32 by the impulse force of the water, the impeller 37 is increased in speed and the stirring blade 314 is driven to rotate, and the deposited sludge between the stirring blade 32 and the water bath tank 26 is stirred to better discharge the deposited sludge in the pipe body 21;
When sediment sludge is generated between the water bath 26 and the sewage draining end 32, the sewage flow of the sewage draining end 32 is reduced, the rotating speed of the impeller 37 is reduced, the water bath 26 is completely opened to enable internal water to be completely drained to the sewage draining end 32, the impact force of the water pushes the sediment sludge to flow to the sewage draining end 32, the rotating speed of the impeller 37 is increased and drives the stirring blade 314 to rotate, the stirring blade 314 stirs the sediment sludge between the sewage draining end 32 and the water bath 26 so as to enable the sediment sludge to be better drained, the problem that although sewage generated in the wet dust collector is drained, part of dust can be precipitated in the sewage in the wet dust collector, so that part of the dust cannot be drained, the problem of operation failure of the wet dust collector is easily caused, the phenomenon that the sediment sludge in the dust collector cannot be drained is avoided, and the stable operation of the dust collector is ensured.
Further, as shown in fig. 1-3, the dust removing mechanism 2 further includes a motor 22, the motor 22 is fixedly installed at one end in the pipe body 21, a two-stage impeller 23 is arranged on the shaft of the motor 22, the two-stage impellers 23 are connected with each other through a reversing gear set 24 in a power mode, the two-stage impellers 23 are reversely arranged, wind directions extracted by the two-stage impellers 23 are the same, the two-stage impellers 23 are located in the pipe body 21, a blocking net rack 25 is fixedly installed at one end of the pipe body 21, and the blocking net rack 25 is located at one side of the motor 22.
Further, the reversing gear set 24 has a conventional structure, specifically, two gears are connected to each stage of impellers, and two other gears are disposed between the two gears, and the other two gears are perpendicular to the two gears and meshed with the two gears.
Wherein, the motor 22 is started, the motor 22 drives the two-stage impeller 23 to rotate, and simultaneously the two-stage impeller 23 realizes reverse rotation through the reversing gear set 24 to perform the same-direction air suction, and the blocking net rack 25 blocks large objects possibly existing during dust suction.
Further, as shown in fig. 2-4, a water bath tank 26 is fixedly installed in the pipe body 21, the water bath tank 26 is located at the other side of the motor 22, a first wind collecting cover 27 is arranged between the water bath tank 26 and the motor 22, the first wind collecting cover 27 is fixedly installed in the pipe body 21, the first wind collecting cover 27 is sealed with the pipe body 21, an extension wind gap is formed in the first wind collecting cover 27, the extension wind gap of the first wind collecting cover 27 extends to the inner bottom end of the water bath tank 26, an air outlet port 28 is formed in the upper end of the side wall of the water bath tank 26, and a water outlet 29 is formed in the lower end of the side wall of the water bath tank 26.
Wherein, the sucked dust is guided by the first wind collecting cover 27, so that the dust is sent into water in the water bath box 26 from the extending wind gap, the dust is subjected to water bath dust removal, the gas after the water bath dust removal is discharged from the water and is sent out from the wind outlet port 28, and the sewage can be discharged from the water outlet 29.
Further, as shown in fig. 2 and 5, a water droplet nozzle holder 210 is fixedly installed in the pipe body 21, the water droplet nozzle holder 210 is located above the air outlet 28, a plurality of nozzles are arranged on the water droplet nozzle holder 210, a water supply pipe 211 is fixedly installed on the pipe body 21, and the water supply pipe 211 is communicated with the water droplet nozzle holder 210.
Wherein, the gas after the water bath dust removal is discharged to the lower part of the water droplet nozzle frame 210, and the water pipe 211 sends water into the water droplet nozzle frame 210, so that the water droplet nozzle frame 210 sprays water to remove the water droplet from the gas after the water bath dust removal.
Further, as shown in fig. 2 and 6, a second air collecting cover 212 is fixedly installed in the pipe body 21, a space between the second air collecting cover 212 and the pipe body 21 is sealed, the second air collecting cover 212 is located at one side of the water drop nozzle frame 210, an air outlet is formed in the second air collecting cover 212, the air outlet of the second air collecting cover 212 is located at the bottom end of the second air collecting cover 212, a separation tank 213 is fixedly installed in the pipe body 21, one side of the separation tank 213 is communicated with the air outlet of the second air collecting cover 212, a central inner cylinder is arranged in the separation tank 213, two ends of the central inner cylinder of the separation tank 213 are connected with inner walls of two sides of the separation tank 213, a spiral guide vane 214 is fixedly installed on the central inner cylinder of the separation tank 213, the spiral guide vane 214 is connected with an inner arc wall of the separation tank 213, an air outlet 215 is formed in the upper end of the other side of the separation tank 213, a plurality of downstream water nozzles 216 are arranged at the inner top ends of the separation tank 213, and the downstream water nozzles 216 are all communicated with a water supply pipe.
The gas after water drop dust removal is discharged from the air outlet of the second air collecting cover 212 to enter the separation tank 213, the water supply pipe 211 supplies water to the downstream water spray nozzle 216 at the same time, so that the downstream water spray nozzle 216 sprays water on the wall surface of the separation tank 213, the wall surface of the separation tank 213 forms a water film, the gas after water drop dust removal enters the separation tank 213 and is guided by the spiral guide vane 214, the gas after water drop dust removal is spirally conveyed in the separation tank 213, the water film in the separation tank 213 is utilized to perform water film dust removal on the gas after water drop dust removal, the gas after water film dust removal is discharged from the air outlet 215 and is discharged from the pipe body 21, and the discharged gas is clean gas at the moment, so that water bath dust removal, water drop dust removal and water film dust removal are performed in a multi-stage manner, and the dust removal quality of dust removal is effectively improved.
Further, as shown in fig. 1 and 7, the drain mechanism 3 further includes a drain channel 31, the drain channel 31 is fixedly installed at the inner bottom end of the pipe body 21, one end of the drain channel 31 is connected with the water bath tank 26, one end of the drain channel 31 is communicated with the drain outlet 29, the drain channel 31 penetrates the second air collecting cover 212, the drain channel 31 penetrates the separation tank 213, the drain channel 31 penetrates the spiral guide vane 214, the other end bottom end of the pipe body 21 is provided with a drain end 32, and the drain end 32 is adjacent to the other end of the drain channel 31.
Further, since the dust collector is always kept in operation, the sewage in the sewage drain channel 31 is always uninterrupted, and thus the communication of the sewage drain channel 31 to each region in the pipe body 21 does not affect the operation of the dust collector.
Further, as shown in fig. 7-9, an electric control lifting valve 33 is fixedly installed on the side wall of the water bath tank 26, the electric control lifting valve 33 is opposite to the water outlet 29, the electric control lifting valve 33 is used for controlling the water outlet 29 to open and close, a water exchange pipe 34 is fixedly installed on the pipe body 21, one end of the water exchange pipe 34 is communicated with the water supply pipe 211, an electric control valve 35 is fixedly installed on the other end of the water exchange pipe 34, and the electric control valve 35 is communicated with the water bath tank 26.
Further, as shown in fig. 7-9, the drain end 32 is rotatably matched with a shaft lever 36, the shaft lever 36 penetrates through the drain end 32, an impeller 37 is fixedly mounted on the shaft lever 36, the impeller 37 is located in the drain end 32, a detector 38 is arranged at one end of the shaft lever 36, the detector 38 is fixedly mounted on the pipe body 21, the detector 38 is used for detecting the rotating speed of the shaft lever 36, a positioning shaft 39 is rotatably matched on the base 1, and a chain 310 is tensioned between one end of the positioning shaft 39 and the other end of the shaft lever 36.
Further, a detector 38 is in signal connection with the electrically controlled lifting valve 33, and the detector 38 is in signal connection with the electrically controlled valve 35.
Further, as shown in fig. 7-9, the bevel gear 311 is fixedly installed at the other end of the positioning shaft 39, the linkage rod 312 is rotatably matched with the base 1, teeth are arranged at one end of the linkage rod 312, one end of the linkage rod 312 is meshed with the bevel gear 311, a plurality of auxiliary shafts 313 are rotatably matched with the bottom end of the pipe body 21, the auxiliary shafts 313 penetrate through the wall surface of the pipe body 21, the upper ends of the auxiliary shafts 313 are fixedly installed with the poking blades 314, the poking blades 314 are located in the sewage draining channel 31, a plurality of bevel gears 315 are arranged on the linkage rod 312, inclined teeth are arranged at the lower ends of the auxiliary shafts 313, and the lower ends of the auxiliary shafts 313 are meshed with the bevel gears 315.
Wherein, the sewage generated in the dust removal process is remained in the water bath 26, the rest flows from the sewage channel 31 to the sewage end 32 so that the sewage flows out from the sewage end 32, the sewage drives the impeller 37 on the shaft lever 36 to rotate, the impeller 37 drives the chain 310 to rotate, the chain 310 drives the positioning shaft 39 to rotate, the positioning shaft 39 drives the bevel gear 311 to rotate, the bevel gear 311 drives the linkage rod 312 to rotate, the linkage rod 312 drives the bevel gear 315 to rotate, the bevel gear 315 drives the auxiliary shaft 313 to rotate, the auxiliary shaft 313 drives the stirring blade 314 to rotate, when more deposited sludge is generated in the sewage channel 31, the sludge can raise the water level, the flow of the sewage to the sewage end 32 is reduced, the rotation speed of the impeller 37 is reduced, and when the resistance of the deposited sludge, water and other objects to the stirring blade 314 is enough to overcome the rotation force brought by the impeller 37 to the stirring blade 314, the impeller 37 and the stirring vane 314 stop rotating, at this time, the detector 38 detects that the impeller 37 stops rotating, so as to judge that more sediment sludge is in the sewage channel 31 at this time, the detector 38 controls the electric control lifting valve 33 to open, and simultaneously the detector 38 controls the electric control valve 35 to open, so that water is injected into the water bath 26, sewage in the water bath 26 is discharged into the sewage channel 31, the sediment sludge is moved by impulsive force of the sewage because a large amount of sewage is flushed out, so that the sediment sludge is flushed into the sewage end 32, the displacement of the sewage gradually increases along with the gradual flow of the sediment sludge into the sewage end 32, so that the sewage and the impulsive force of the sludge drive the impeller 37 to rotate again, and meanwhile, the impeller 37 drives the stirring vane 314 to stir the sediment sludge, so that the sewage is better discharged along with the sewage, and after a preset time is executed, the detector 38 controls the electric control lifting valve 33 to be closed, and after water is refilled in the water bath tank 26, the detector 38 controls the electric control valve 35 to be closed.
Working principle:
Firstly, water is injected into the water bath tank 26, then the dust remover is started, dust is sucked into the pipe body 21, so that the dust is intensively fed into the water bath tank 26, the dust is led into water in the water bath tank 26 and then is discharged from the water, so that the water bath tank 26 removes dust in a water bath, then the gas after water bath dust removal is also subjected to water drop dust removal and water film dust removal, the sewage after dust removal flows into the sewage discharge end 32 in the pipe body 21, the sewage is discharged from the pipe body 21 through the sewage discharge end 32, when the sewage flows into the sewage discharge end 32, the sewage impulse force rotates the impeller 37, when deposited sludge is generated between the water bath tank 26 and the sewage discharge end 32, the sewage flow rate of the sewage discharge end 32 is reduced, the rotating speed of the impeller 37 is reduced, at the moment, the water bath tank 26 is completely opened, the internal water is completely discharged to the sewage discharge end 32, and the deposited sludge is pushed to flow to the sewage discharge end 32 by the impulse force of the water, the rotation speed of the impeller 37 is increased and drives the stirring blade 314 to rotate, the stirring blade 314 stirs the deposited sludge between the sewage discharge end 32 and the water bath tank 26 to better discharge the deposited sludge in the pipe body 21, when the deposited sludge is generated between the water bath tank 26 and the sewage discharge end 32, the rotation speed of the impeller 37 is reduced due to the reduction of the sewage flow rate of the sewage discharge end 32, the water bath tank 26 is fully opened to completely discharge internal water to the sewage discharge end 32, the impulse force of the water pushes the deposited sludge to flow to the sewage discharge end 32, the rotation speed of the impeller 37 is increased and drives the stirring blade 314 to rotate, the stirring blade 314 stirs the deposited sludge between the sewage discharge end 32 and the water bath tank 26 to better discharge the deposited sludge, so that the problem that part of dust is precipitated in the sewage in the wet dust collector and part of the sewage can not be discharged is effectively solved, the problem of operation failure of the wet dust collector is easily caused, the problem that sludge deposited in the dust collector cannot be discharged is avoided, and the stable operation of the dust collector is ensured;
The motor 22 is started, the motor 22 drives the two-stage impeller 23 to rotate, meanwhile, the two-stage impeller 23 realizes reverse rotation through the reversing gear set 24 to perform the same-direction air suction, the blocking net rack 25 blocks large objects possibly existing during dust suction, the sucked dust is guided through the first air collecting hood 27, the dust is sent into water in the water bath box 26 from the extending air outlet so as to be subjected to water bath dust removal, gas after water bath dust removal is emitted from the water and is sent out from the air outlet port 28, and sewage can be discharged from the water outlet 29;
The gas after water bath dust removal is discharged to the lower part of the water droplet spray head frame 210, the water delivery pipe 211 is used for delivering water to the water droplet spray head frame 210, so that the water droplet spray head frame 210 sprays water to carry out water droplet dust removal on the gas after water bath dust removal, the gas after water droplet dust removal is discharged from the air outlet of the second air collection cover 212 to enter the separation box 213, the water delivery pipe 211 simultaneously delivers water to the downstream water spray nozzle 216 so that the downstream water spray nozzle 216 sprays water on the wall surface of the separation box 213, a water film is formed on the wall surface of the separation box 213, the gas after water droplet dust removal enters the separation box 213 and is guided by the spiral guide vane 214, the gas after water droplet dust removal is spirally conveyed in the separation box 213, the water film in the separation box 213 is utilized to carry out water film dust removal on the gas after dust removal, the gas after water film dust removal is discharged from the air outlet 215 at the same time, and the discharged gas at the same time is clean gas, so that the water droplet dust is formed into water bath dust removal, water droplet dust removal and water film dust removal is carried out in multiple stages, and dust removal is effectively improved;
meanwhile, part of the sewage generated in the dust removal process is firstly left in the water bath 26, the rest flows from the sewage channel 31 to the sewage end 32 so that the sewage flows out from the sewage end 32, the sewage drives the impeller 37 on the shaft lever 36 to rotate, the impeller 37 drives the chain 310 to rotate, the chain 310 drives the positioning shaft 39 to rotate, the positioning shaft 39 drives the bevel gear 311 to rotate, the bevel gear 311 drives the linkage rod 312 to rotate, the linkage rod 312 drives the bevel gear 315 to rotate, the bevel gear 315 drives the auxiliary shaft 313 to rotate, the auxiliary shaft 313 drives the stirring blade 314 to rotate, when more deposited sludge is generated in the sewage channel 31, the sludge can raise the water level, the flow of the sewage to the sewage end 32 is reduced, the rotating speed of the impeller 37 is reduced, and when the resistance of the deposited sludge, water and other objects to the stirring blade 314 is enough to overcome the rotating force brought by the stirring blade 314, the impeller 37 and the stirring vane 314 stop rotating, at this time, the detector 38 detects that the impeller 37 stops rotating, so as to judge that more sediment sludge is in the sewage channel 31 at this time, the detector 38 controls the electric control lifting valve 33 to open, and simultaneously the detector 38 controls the electric control valve 35 to open, so that water is injected into the water bath 26, sewage in the water bath 26 is discharged into the sewage channel 31, the sediment sludge is moved by impulsive force of the sewage because a large amount of sewage is flushed out, so that the sediment sludge is flushed into the sewage end 32, the displacement of the sewage gradually increases along with the gradual flow of the sediment sludge into the sewage end 32, so that the sewage and the impulsive force of the sludge drive the impeller 37 to rotate again, and meanwhile, the impeller 37 drives the stirring vane 314 to stir the sediment sludge, so that the sewage is better discharged along with the sewage, and after a preset time is executed, the detector 38 controls the electric control lifting valve 33 to be closed, and after water is refilled in the water bath tank 26, the detector 38 controls the electric control valve 35 to be closed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
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| CN202411855305.0A CN119308717A (en) | 2024-12-17 | 2024-12-17 | A wet dust collector for mining |
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| CN202411855305.0A CN119308717A (en) | 2024-12-17 | 2024-12-17 | A wet dust collector for mining |
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