CN111804097A - Spraying dust fall equipment in coal preparation plant fine coal transportation process - Google Patents
Spraying dust fall equipment in coal preparation plant fine coal transportation process Download PDFInfo
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- CN111804097A CN111804097A CN202010720479.1A CN202010720479A CN111804097A CN 111804097 A CN111804097 A CN 111804097A CN 202010720479 A CN202010720479 A CN 202010720479A CN 111804097 A CN111804097 A CN 111804097A
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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
- B01D47/08—Spray cleaning with rotary nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
- B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
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Abstract
The invention discloses a spray dust-settling device in a pulverized coal conveying process of a coal preparation plant, wherein a stirring square sheet comprises: the device comprises a substrate, a substrate gap, a ball slideway, a ball, a cross slideway, a stirring shaft chute and an asymmetric stirring blade; a large hole is formed in the center of the stirring square piece, a cross slide way is arranged in the center of the hole, a substrate is arranged on the periphery of the cross slide way, and the cross slide way is connected with the substrate; the substrate consists of an upper plate and a lower plate, and a substrate gap exists between the two plates, so that the dust-settling agent flow is passed, and the bubble fusion and gasification are promoted; the upper part of the substrate is provided with a ball slideway, wherein a plurality of balls are arranged between the substrate and the ball slideway, and the same gap is arranged between the substrate and the ball slideway. The spraying dust-settling equipment in the pulverized coal conveying process of the coal preparation plant is novel and reasonable in structure, strong in function of dust settling and wide in application range.
Description
Technical Field
The invention belongs to the technical field of spraying dust-settling treatment of a coal preparation plant, and particularly relates to spraying dust-settling equipment in a pulverized coal conveying process of the coal preparation plant.
Background
Under the condition of the prior art, the equipment of the spraying dust-settling treatment technology of the coal preparation plant is not developed and matured, and the equipment is mainly embodied in the absence of a stirring square sheet, a substrate gap, a ball slideway, a ball, a cross slideway, a stirring shaft chute and an asymmetric stirring blade mechanism in the prior art. Due to lack of or immature mechanisms, the dust-settling device has the defects of old process, high dust-settling cost, low dust-settling efficiency, long process flow, complex control, large occupied area and the like.
Disclosure of Invention
In order to solve the technical problem, the invention provides a spraying dust-settling device in a pulverized coal conveying process of a coal preparation plant, which comprises: the device comprises a rotating speed regulator 1, a platform height angle adjustment 2, a gasifier control 3, a platform horizontal rotation 4, a dust-settling agent and gas distribution pipe 5, an atomizer rotating platform 6, a horizontal rotation spray nozzle 7, a transition bin 8, a top spray nozzle 9, a control platform 10 and a vaporization device; the platform positioned at the bottom horizontally rotates 4, and the platform is driven by an external motor to drive the whole equipment to horizontally rotate; one side of the platform horizontal rotation 4 is provided with a gasifier control 3 which controls the dust settling agent on the upper part and a gas distribution pipe 5 to independently distribute the dust settling agent and the gas; an atomizer rotating platform 6 is arranged on the upper portion of the platform horizontal rotating 4, the atomizer rotating platform 6 enables horizontal rotating spray nozzles 7, a transition bin 8 and top spray nozzles 9 to horizontally rotate at a low speed, wherein the number of the horizontal rotating spray nozzles 7 is 6, the horizontal rotating spray nozzles 7 are horizontally arranged at equal angles, the horizontal rotating spray nozzles 7 spray atomized dust-settling agents around, the top spray nozzles 9 are communicated with the horizontal rotating spray nozzles 7 on the lower portion through the transition bin 8, and the top spray nozzles 9 are provided with nozzles in different directions and spray the atomized dust-settling agents; the dust settling agent and gas distribution pipe 5 is communicated with the transition bin 8; one side of the whole device is provided with a platform height angle adjustment 2 which adjusts the elevation angle of the control platform 10 through a gear; a rotating speed regulator 1 is arranged on one side of the control platform 10 and used for controlling the elevation rotating speed of the control platform 10 positioned at the top; a vaporization device is arranged on the upper part of the control platform 10.
Further, the control platform 10 includes: the clamping base 11, the concave ring 12, the U-shaped groove pull rod 13, the U-shaped groove 14, the L-shaped groove 15 and the boss 16; a base connecting pin 17; the base station connecting bolt 17 slides up and down relative to the boss 16, the surface of the base station connecting bolt 17 is provided with a concave ring 12, the diameter of the concave ring is smaller than that of the base station connecting bolt 17, and a step is formed; the U-shaped groove 14 slides left and right relative to the boss 16, a U-shaped groove pull rod 13 is arranged on the left side of the U-shaped groove 14, and the U-shaped groove pull rod 13 drives the U-shaped groove 14 to move left and right; the lower part of the U-shaped groove 14 is provided with an L-shaped groove 15 which is fixedly connected, and the L-shaped groove 15 is matched with the lug boss 16.
Further, the abutment connection bolt 17 includes: a lifting wheel 171, a scattering blade horizontal lower rail 172, a connecting shaft fixing plate 173, a gasifier 174, a scattering connecting shaft 175, a scattering blade horizontal upper rail 176, a front-rear moving wheel 177, a horizontal rotating wheel 178 and a sleeve base 179; the lifting wheel 171 positioned at the bottom is connected with the inner sleeve, and the lifting wheel 171 drives the inner sleeve to ascend or descend; the upper part of the sleeve is provided with a horizontal rotating wheel 178 which is rotationally connected with the sleeve; the sleeve vertical shaft penetrates through a central hole of the sleeve base 179 to drive the horizontal rotating wheel 178 to move up and down in a small range; the upper part of the horizontal rotating wheel 178 is provided with a scattering blade horizontal lower rail 172 and a scattering blade horizontal upper rail 176, and the scattering blade horizontal lower rail 172 and the scattering blade horizontal upper rail 176 clamp the front-rear moving wheel 177 therein; the front and rear moving wheel 177 is connected to an upper scattering connecting shaft 175 through a connecting shaft fixing plate 173; the front and rear moving wheel 177 drives the scattering connecting shaft 175 to move forward and backward through the connecting shaft fixing plate 173; the scattering connecting shaft 175 is connected to the vaporizer 174.
Further, the gasification machine 174 includes: mixing column 1741, gasification shell 1742, gasification bell mouth 1743, air mixing monomer 1744, dust settling agent inlet 1745, condensed water discharge 1746 and air inlet 1747; the gasification shell 1742 is tetrahedral, and four gasification bell mouths 1743 penetrate through the gasification shell 1742 and are communicated with an internal mixing column 1741; the mixing column 1741 is communicated with a dust settling agent port 1745 and an air inlet 1747 respectively; a plurality of gas-mixed monomers 1744 are connected in series inside the mixing column 1741; a condensed water discharge 1746 for discharging condensed water is provided at a lower portion of the gasification housing 1742.
Further, the air-mix monomer 1744 includes: a moving hammer plug 17441, a tandem sleeve 17442, a buoy 17443, a stirring driver 17444 and a stirring square piece 17445; the air mixing monomer 1744 is provided with three serial sleeves 17442 which are sequentially communicated in series from left to right, the left serial sleeve 17442 is communicated with the dust settling agent inlet pipe, and the movable hammer plug 17441 positioned at the upper part and the left serial sleeve 17442 realize relative up-and-down sliding; a buoy 17443 is arranged inside the middle serial sleeve 17442, the top of the buoy 17443 is communicated with an air inlet pipe, a large number of through holes are formed in the bottom of the buoy 17443, and a large number of micro bubbles are released to the bottom of the serial sleeve 17442 by the buoy 17443; a standing rotating shaft is arranged inside the serial sleeve 17442 on the right side, and a plurality of stirring square pieces 17445 are arranged on the surface of the standing rotating shaft; the agitator drive 17444 drives the agitator square 17445 in rotation via a standing spindle.
Further, the agitator drive 17444 includes: a driven shaft 174441, a stirring rocker arm 174442, a control unit 174443, a stirring gearbox 174444, a stirring transmission shaft 174445, a bottom gear 174446, a rocker arm gear 174447; the stirring rocker arm 174442 on one side moves horizontally back and forth, the stirring transmission shaft 174445 is driven to rotate through the rocker arm gear 174447, the stirring transmission shaft 174445 is in tooth meshing connection with the stirring gearbox 174444 and the bottom gear 174446, and the bottom gear 174446 is fixedly connected with the driven shaft 174441; the agitating rocker 174442 is in wire control connection with the control unit 174443.
Further, the stirring square 17445 includes: substrate 174451, substrate gap 174452, ball slide 174453, ball 174454, cross slide 174455, stirring shaft chute 174456 and asymmetric stirring blade 174457; a large hole is formed in the center of the stirring square piece 17445, a cross slide 174455 is arranged in the center of the hole, a substrate 174451 is arranged on the periphery of the cross slide 174455, and the cross slide 174455 is connected with the substrate 174451; the substrate 174451 is composed of an upper plate and a lower plate, and a substrate gap 174452 is formed between the two plates, so that the dust-settling agent flow can pass through the substrate gap, and the bubble fusion and gasification are promoted; a ball slide channel 174453 is arranged above the base sheet 174451, wherein a plurality of balls 174454 are arranged between the base sheet 174451 and the ball slide channel 174453, a same gap is arranged between the base sheet 174451 and the ball slide channel 174453, and the plurality of balls 174454 move relatively on the ball slide channel 174453 to promote the fusion and gasification of bubbles; a stirring shaft sliding groove 174456 is arranged at the upper part of the cross slide 174455 in a sliding manner, a rotating shaft is arranged at the middle part of the stirring shaft sliding groove 174456, two ends of the stirring shaft sliding groove 174456 are respectively bridged on the horizontal slide and the vertical slide of the cross slide 174455 through sliding bolts, and the sliding bolts drive the stirring shaft sliding groove 174456 to realize asymmetric sliding on the cross slide 174455 in a bridging manner; due to asymmetric sliding between the stirring shaft sliding groove 174456 and the cross slideway 174455, the substrate 174451 can randomly stir the dust-settling agent; and an asymmetric stirring blade 174457 is arranged at the other end of the stirring shaft sliding groove 174456.
Further, the working method of the equipment comprises the following steps:
step 1: in the operation of spraying dust-settling equipment in the process of conveying pulverized coal in a coal preparation plant, an external motor drives the whole equipment to rotate horizontally through a platform horizontal rotation 4, and drives a dust-settling agent, a gas distribution pipe 5 and vaporization equipment to operate; the atomizer rotating platform 6 drives the horizontal rotating spray nozzle 7 and the top spray nozzle 9 to horizontally rotate at a low speed, and uniformly spray atomized dust settling agent in different directions; the platform height angle adjustment 2 adjusts the elevation angle of the control platform 10 through a gear;
step 2: when the control platform 10 works, the base station connecting bolt 17 slides up and down relative to the boss 16, when the base station connecting bolt needs to be locked, the U-shaped groove pull rod 13 pulls the U-shaped groove 14 to be embedded into the groove of the concave ring 12, and meanwhile, the L-shaped groove 15 is sleeved with the boss 16 to lock the base station connecting bolt 17;
and 3, step 3: when the base connecting bolt 17 works, the lifting wheel 171 drives the gasifier 174 to ascend or descend through an inner sleeve, a horizontal rotating wheel 178, a scattering blade horizontal lower rail 172, a front-back moving wheel 177, a scattering blade horizontal upper rail 176, a connecting shaft fixing plate 173 and a scattering connecting shaft 175; the horizontal rotating wheel 178 drives the gasifier 174 to horizontally rotate through the scattering blade horizontal lower rail 172, the front and rear moving wheel 177, the scattering blade horizontal upper rail 176, the connecting shaft fixing plate 173 and the scattering connecting shaft 175; the front and rear moving wheel 177 drives the connecting shaft fixing plate 173 and the scattering connecting shaft 175 to move by horizontally moving between the scattering blade horizontal lower rail 172 and the scattering blade horizontal upper rail 176, and further drives the gasifier 174 to move back and forth;
and 4, step 4: when the gasifier 174 works, the dust-settling agent enters the air-mixing monomer 1744 from the dust-settling agent inlet 1745, the gas enters the air-mixing monomer 1744 from the gas inlet 1747, the mixture and the gasification are carried out, the gasified product is discharged from the gasification bell-mouth 1743, and the condensed water is discharged from the condensed water discharge 1746 at the bottom;
and 5, step 5: in the operation of the air-mixing monomer 1744, the three tandem sleeves 17442 are sequentially communicated in series from left to right, and the dust-settling agent enters from the left tandem sleeve 17442 and is stirred under the action of the moving hammer plug 17441 to form turbulent dust-settling agent, so that bubbles can be favorably blended into the turbulent dust-settling agent; after entering the middle tandem sleeve 17442, the mixture is mixed with the micro bubbles to realize primary gasification; enters the right side of the tandem sleeve 17442 and is further gasified under the action of the stirring square piece 17445;
and 6, step 6: in the operation of the stirring drive 17444, under the control of the control unit 174443, the stirring rocker arm 174442 rotates the driven shaft 174441 through the rocker gear 174447, the stirring transmission shaft 174445, the stirring gearbox 174444 and the bottom gear 174446;
and 7, step 7: during the operation of the stirring square piece 17445, the rotation of the rotating shaft drives the stirring shaft chute 174456 to simultaneously bridge the asymmetric swing on the horizontal slide and the vertical slide on the cross slide 174455, so as to drive the substrate 174451 to asymmetrically stir the dedusting agent, and in the swing of the substrate 174451, part of the dedusting agent passes through the large hole at the center of the stirring square piece 17445 and passes through the substrate gap 174452, the substrate 174451 and the ball slide 174453 gap, so that the turbulence of the dedusting agent is formed, and the stirring effect is increased. The invention discloses a spraying dust-settling device in a pulverized coal conveying process of a coal preparation plant, which has the advantages that: novel structure is reasonable, and the effect function that the dust fall was played is powerful, and application scope is wide.
Drawings
FIG. 1 is a diagram of a spraying dust-settling device in a pulverized coal conveying process of a coal preparation plant.
Fig. 2 is a diagram of the control platform 10 of the present invention.
Fig. 3 is a view of a base joint pin 17 according to the present invention.
Fig. 4 is a view of the vaporizer 174 according to the present invention.
FIG. 5 is a schematic representation of an air-miscible monomer 1744 according to the present invention.
FIG. 6 is a schematic representation of a stirring drive 17444 according to the present invention.
FIG. 7 is a drawing of a stirring square 17445 according to the present invention.
Detailed Description
The invention provides a spraying dust-settling device in a pulverized coal conveying process of a coal preparation plant, which is further described with reference to the attached drawings and examples.
Examples
FIG. 1 is a diagram of a spraying dust-settling device in a pulverized coal conveying process of a coal preparation plant. The method comprises the following steps: the device comprises a rotating speed regulator 1, a platform height angle adjustment 2, a gasifier control 3, a platform horizontal rotation 4, a dust-settling agent and gas distribution pipe 5, an atomizer rotating platform 6, a horizontal rotation spray nozzle 7, a transition bin 8, a top spray nozzle 9, a control platform 10 and a vaporization device; the platform positioned at the bottom horizontally rotates 4, and the platform is driven by an external motor to drive the whole equipment to horizontally rotate; one side of the platform horizontal rotation 4 is provided with a gasifier control 3 which controls the dust settling agent on the upper part and a gas distribution pipe 5 to independently distribute the dust settling agent and the gas; an atomizer rotating platform 6 is arranged on the upper portion of the platform horizontal rotating 4, the atomizer rotating platform 6 enables horizontal rotating spray nozzles 7, a transition bin 8 and top spray nozzles 9 to horizontally rotate at a low speed, wherein the number of the horizontal rotating spray nozzles 7 is 6, the horizontal rotating spray nozzles 7 are horizontally arranged at equal angles, the horizontal rotating spray nozzles 7 spray atomized dust-settling agents around, the top spray nozzles 9 are communicated with the horizontal rotating spray nozzles 7 on the lower portion through the transition bin 8, and the top spray nozzles 9 are provided with nozzles in different directions and spray the atomized dust-settling agents; the dust settling agent and gas distribution pipe 5 is communicated with the transition bin 8; one side of the whole device is provided with a platform height angle adjustment 2 which adjusts the elevation angle of the control platform 10 through a gear; a rotating speed regulator 1 is arranged on one side of the control platform 10 and used for controlling the elevation rotating speed of the control platform 10 positioned at the top; a vaporization device is arranged on the upper part of the control platform 10.
Fig. 2 is a diagram of the control platform 10 of the present invention. The control platform 10 comprises: the clamping base 11, the concave ring 12, the U-shaped groove pull rod 13, the U-shaped groove 14, the L-shaped groove 15 and the boss 16; a base connecting pin 17; the base station connecting bolt 17 slides up and down relative to the boss 16, the surface of the base station connecting bolt 17 is provided with a concave ring 12, the diameter of the concave ring is smaller than that of the base station connecting bolt 17, and a step is formed; the U-shaped groove 14 slides left and right relative to the boss 16, a U-shaped groove pull rod 13 is arranged on the left side of the U-shaped groove 14, and the U-shaped groove pull rod 13 drives the U-shaped groove 14 to move left and right; the lower part of the U-shaped groove 14 is provided with an L-shaped groove 15 which is fixedly connected, and the L-shaped groove 15 is matched with the lug boss 16.
Fig. 3 is a view of a base joint pin 17 according to the present invention. The abutment connection pin 17 includes: a lifting wheel 171, a scattering blade horizontal lower rail 172, a connecting shaft fixing plate 173, a gasifier 174, a scattering connecting shaft 175, a scattering blade horizontal upper rail 176, a front-rear moving wheel 177, a horizontal rotating wheel 178 and a sleeve base 179; the lifting wheel 171 positioned at the bottom is connected with the inner sleeve, and the lifting wheel 171 drives the inner sleeve to ascend or descend; the upper part of the sleeve is provided with a horizontal rotating wheel 178 which is rotationally connected with the sleeve; the sleeve vertical shaft penetrates through a central hole of the sleeve base 179 to drive the horizontal rotating wheel 178 to move up and down in a small range; the upper part of the horizontal rotating wheel 178 is provided with a scattering blade horizontal lower rail 172 and a scattering blade horizontal upper rail 176, and the scattering blade horizontal lower rail 172 and the scattering blade horizontal upper rail 176 clamp the front-rear moving wheel 177 therein; the front and rear moving wheel 177 is connected to an upper scattering connecting shaft 175 through a connecting shaft fixing plate 173; the front and rear moving wheel 177 drives the scattering connecting shaft 175 to move forward and backward through the connecting shaft fixing plate 173; the scattering connecting shaft 175 is connected to the vaporizer 174.
Fig. 4 is a view of the vaporizer 174 according to the present invention. The gasifier 174 includes: mixing column 1741, gasification shell 1742, gasification bell mouth 1743, air mixing monomer 1744, dust settling agent inlet 1745, condensed water discharge 1746 and air inlet 1747; the gasification shell 1742 is tetrahedral, and four gasification bell mouths 1743 penetrate through the gasification shell 1742 and are communicated with an internal mixing column 1741; the mixing column 1741 is communicated with a dust settling agent port 1745 and an air inlet 1747 respectively; a plurality of gas-mixed monomers 1744 are connected in series inside the mixing column 1741; a condensed water discharge 1746 for discharging condensed water is provided at a lower portion of the gasification housing 1742.
FIG. 5 is a schematic representation of an air-miscible monomer 1744 according to the present invention. The air-mix monomer 1744 includes: a moving hammer plug 17441, a tandem sleeve 17442, a buoy 17443, a stirring driver 17444 and a stirring square piece 17445; the air mixing monomer 1744 is provided with three serial sleeves 17442 which are sequentially communicated in series from left to right, the left serial sleeve 17442 is communicated with the dust settling agent inlet pipe, and the movable hammer plug 17441 positioned at the upper part and the left serial sleeve 17442 realize relative up-and-down sliding; a buoy 17443 is arranged inside the middle serial sleeve 17442, the top of the buoy 17443 is communicated with an air inlet pipe, a large number of through holes are formed in the bottom of the buoy 17443, and a large number of micro bubbles are released to the bottom of the serial sleeve 17442 by the buoy 17443; a standing rotating shaft is arranged inside the serial sleeve 17442 on the right side, and a plurality of stirring square pieces 17445 are arranged on the surface of the standing rotating shaft; the agitator drive 17444 drives the agitator square 17445 in rotation via a standing spindle.
FIG. 6 is a schematic representation of a stirring drive 17444 according to the present invention. The agitator drive 17444 includes: a driven shaft 174441, a stirring rocker arm 174442, a control unit 174443, a stirring gearbox 174444, a stirring transmission shaft 174445, a bottom gear 174446, a rocker arm gear 174447; the stirring rocker arm 174442 on one side moves horizontally back and forth, the stirring transmission shaft 174445 is driven to rotate through the rocker arm gear 174447, the stirring transmission shaft 174445 is in tooth meshing connection with the stirring gearbox 174444 and the bottom gear 174446, and the bottom gear 174446 is fixedly connected with the driven shaft 174441; the agitating rocker 174442 is in wire control connection with the control unit 174443.
FIG. 7 is a drawing of a stirring square 17445 according to the present invention. The stirring square piece 17445 includes: substrate 174451, substrate gap 174452, ball slide 174453, ball 174454, cross slide 174455, stirring shaft chute 174456 and asymmetric stirring blade 174457; a large hole is formed in the center of the stirring square piece 17445, a cross slide 174455 is arranged in the center of the hole, a substrate 174451 is arranged on the periphery of the cross slide 174455, and the cross slide 174455 is connected with the substrate 174451; the substrate 174451 is composed of an upper plate and a lower plate, and a substrate gap 174452 is formed between the two plates, so that the dust-settling agent flow can pass through the substrate gap, and the bubble fusion and gasification are promoted; a ball slide channel 174453 is arranged above the base sheet 174451, wherein a plurality of balls 174454 are arranged between the base sheet 174451 and the ball slide channel 174453, a same gap is arranged between the base sheet 174451 and the ball slide channel 174453, and the plurality of balls 174454 move relatively on the ball slide channel 174453 to promote the fusion and gasification of bubbles; a stirring shaft sliding groove 174456 is arranged at the upper part of the cross slide 174455 in a sliding manner, a rotating shaft is arranged at the middle part of the stirring shaft sliding groove 174456, two ends of the stirring shaft sliding groove 174456 are respectively bridged on the horizontal slide and the vertical slide of the cross slide 174455 through sliding bolts, and the sliding bolts drive the stirring shaft sliding groove 174456 to realize asymmetric sliding on the cross slide 174455 in a bridging manner; due to asymmetric sliding between the stirring shaft sliding groove 174456 and the cross slideway 174455, the substrate 174451 can randomly stir the dust-settling agent; and an asymmetric stirring blade 174457 is arranged at the other end of the stirring shaft sliding groove 174456.
Claims (8)
1. A coal preparation plant fine coal transportation in-process spraying dust fall equipment includes: the device comprises a rotating speed regulator (1), a platform height angle adjustment (2), a gasifier control (3), a platform horizontal rotation (4), a dust-settling agent and gas distribution pipe (5), an atomizer rotating platform (6), a horizontal rotary spray nozzle (7), a transition bin (8), a top spray nozzle (9), a control platform (10) and vaporization equipment;
the device is characterized in that a platform positioned at the bottom horizontally rotates (4) and is driven by an external motor to drive the whole device to horizontally rotate; one side of the platform horizontal rotation (4) is provided with a gasifier control (3) which controls the dust-settling agent on the upper part and a gas distribution pipe (5) to independently distribute the dust-settling agent and the gas; an atomizer rotating platform (6) is arranged on the upper portion of the platform horizontal rotating body (4), the atomizer rotating platform (6) enables horizontal rotary spray nozzles (7), a transition bin (8) and top spray nozzles (9) to horizontally rotate at a low speed, wherein the number of the horizontal rotary spray nozzles (7) is 6, the horizontal rotary spray nozzles are arranged at equal angles, the horizontal rotary spray nozzles (7) spray atomized dust-settling agents around, the top spray nozzles (9) are communicated with the horizontal rotary spray nozzles (7) on the lower portion through the transition bin (8), and the top spray nozzles (9) are provided with nozzles in different directions and spray the atomized dust-settling agents; the dust settling agent and gas distribution pipe (5) is communicated with the transition bin (8); one side of the whole device is provided with a platform height angle adjustment (2) which adjusts the elevation angle of the control platform (10) through a gear; a rotating speed regulator (1) is arranged on one side of the control platform (10) and is used for controlling the elevation rotating speed of the control platform (10) positioned at the top; a vaporization device is arranged at the upper part of the control platform (10).
2. The spray dust settling equipment in the process of conveying pulverized coal of a coal preparation plant according to claim 1, characterized in that the control platform (10) comprises: a clamping base (11), a concave ring (12), a U-shaped groove pull rod (13), a U-shaped groove (14), an L-shaped groove (15) and a boss (16); a base connecting pin (17);
the base station connecting bolt (17) slides up and down relative to the boss (16), the surface of the base station connecting bolt (17) is provided with a concave ring (12), the diameter of the concave ring is smaller than that of the base station connecting bolt (17), and a step is formed; the U-shaped groove (14) slides left and right relative to the boss (16), a U-shaped groove pull rod (13) is arranged on the left side of the U-shaped groove (14), and the U-shaped groove pull rod (13) drives the U-shaped groove (14) to move left and right; an L-shaped groove (15) is arranged at the lower part of the U-shaped groove (14) and is fixedly connected with the U-shaped groove (14), and the L-shaped groove (15) is matched with the lug boss (16).
3. The spray dust settling equipment in the process of conveying pulverized coal of a coal preparation plant as claimed in claim 2, characterized in that the base connecting bolt (17) comprises: the device comprises a lifting wheel (171), a scattering blade horizontal lower rail (172), a connecting shaft fixing plate (173), a gasifier (174), a scattering connecting shaft (175), a scattering blade horizontal upper rail (176), a front and rear moving wheel (177), a horizontal rotating wheel (178) and a sleeve base (179);
the lifting wheel (171) positioned at the bottom is connected with the inner sleeve, and the lifting wheel (171) drives the inner sleeve to ascend or descend; the upper part of the sleeve is provided with a horizontal rotating wheel (178) which is rotationally connected with the sleeve; the sleeve vertical shaft penetrates through a central hole of a sleeve base (179) to drive the horizontal rotating wheel (178) to move up and down in a small range; the upper part of the horizontal rotating wheel (178) is provided with a scattering blade horizontal lower rail (172) and a scattering blade horizontal upper rail (176), and the scattering blade horizontal lower rail (172) and the scattering blade horizontal upper rail (176) clamp the front and rear moving wheel (177) therein; the front and rear moving wheel (177) is connected with a scattering connecting shaft (175) at the upper part through a connecting shaft fixing plate (173); the front and rear moving wheel (177) drives the scattering connecting shaft (175) to move back and forth through the connecting shaft fixing plate (173); the scattering connecting shaft (175) is connected with the gasifier (174).
4. A coal preparation plant pulverized coal conveying in-process spray dust-settling device according to claim 3, characterized in that the gasifier (174) comprises: a mixing column (1741), a gasification shell (1742), a gasification bell mouth (1743), an air mixing monomer (1744), a dust settling agent inlet (1745), condensed water discharge (1746) and an air inlet (1747);
the gasification shell (1742) is in a tetrahedral pyramid shape, and four gasification bell mouths (1743) penetrate through the gasification shell (1742) and are communicated with an internal mixing column (1741); the mixing column (1741) is communicated with a dust settling agent inlet (1745) and an air inlet (1747) respectively; a plurality of gas-mixed monomers (1744) are connected in series inside the mixing column (1741); a condensed water discharge (1746) is provided at the lower part of the gasification housing (1742) for discharging condensed water.
5. The spray dust settling equipment in the process of conveying pulverized coal of a coal preparation plant as claimed in claim 4, characterized in that the air-mixing monomer (1744) comprises: a moving hammer plug (17441), a serial sleeve (17442), a buoy (17443), a stirring drive (17444) and a stirring square piece (17445);
the air mixing monomer (1744) is provided with three serial sleeves (17442) which are sequentially communicated in series from left to right, the left serial sleeve (17442) is communicated with the dust fall agent inlet pipe, and the movable hammer plug (17441) positioned at the upper part and the left serial sleeve (17442) realize relative up-and-down sliding; a buoy (17443) is arranged inside the middle serial sleeve (17442), the top of the buoy (17443) is communicated with the air inlet pipe, a large number of through holes are formed in the bottom of the buoy (17443), and a large number of micro bubbles are released to the bottom of the serial sleeve (17442) by the buoy (17443); a standing rotating shaft is arranged inside the serial sleeve (17442) on the right side, and a plurality of stirring square sheets (17445) are arranged on the surface of the standing rotating shaft; the stirring drive (17444) drives the stirring square piece (17445) to rotate through the standing rotating shaft.
6. The coal preparation plant pulverized coal conveying in-process spray dust-settling device as claimed in claim 5, characterized in that the stirring drive (17444) comprises: a driven shaft (174441), a stirring rocker arm (174442), a control unit (174443), a stirring gearbox (174444), a stirring transmission shaft (174445), a bottom gear (174446) and a rocker arm gear (174447);
the stirring rocker arm (174442) on one side moves back and forth horizontally, the stirring transmission shaft (174445) is driven to rotate through the rocker arm gear (174447), the stirring transmission shaft (174445) is in tooth meshing connection with the stirring gearbox (174444) and the bottom gear (174446), and the bottom gear (174446) is fixedly connected with the driven shaft (174441); the stirring rocker arm (174442) is in wire control connection with the control unit (174443).
7. The spray dust settling device in the process of conveying pulverized coal in a coal preparation plant as claimed in claim 6, wherein the stirring square piece (17445) comprises: the stirring device comprises a substrate (174451), a substrate gap (174452), a ball slideway (174453), balls (174454), a cross slideway (174455), a stirring shaft chute (174456) and asymmetric stirring blades (174457);
a large hole is formed in the center of the stirring square piece (17445), a cross slide way (174455) is formed in the center of the hole, a substrate (174451) is arranged on the periphery of the cross slide way (174455), and the cross slide way (174455) is connected with the substrate (174451); the substrate (174451) consists of an upper plate and a lower plate, and a substrate gap (174452) is formed between the two plates, so that the dust-settling agent flow is enabled to pass through, and the bubble fusion and gasification are promoted; a ball slideway (174453) is arranged on the upper part of the substrate (174451), wherein a plurality of balls (174454) are arranged between the substrate (174451) and the ball slideway (174453), the same gap is arranged between the substrate (174451) and the ball slideway (174453), and the relative movement of a plurality of balls (174454) on the ball slideway (174453) promotes the fusion and gasification of bubbles; a stirring shaft sliding groove (174456) is arranged at the upper part of the cross slideway (174455) in a sliding manner, a rotating shaft is arranged at the middle part of the stirring shaft sliding groove (174456), two ends of the stirring shaft sliding groove (174456) are respectively bridged on the horizontal slideway and the vertical slideway of the cross slideway (174455) through sliding bolts, and the sliding bolts drive the stirring shaft sliding groove (174456) to realize asymmetric sliding on the cross slideway (174455) in a bridging manner; due to asymmetric sliding between the stirring shaft sliding groove (174456) and the cross slideway (174455), the substrate (174451) can randomly stir the dust-settling agent; the other end of the stirring shaft chute (174456) is provided with an asymmetric stirring blade (174457).
8. A spraying dust-settling device in the pulverized coal conveying process of a coal preparation plant is characterized in that the working method of the device comprises the following steps:
step 1: in the work of spraying dust-settling equipment in the process of conveying pulverized coal in a coal preparation plant, an external motor drives the whole equipment to rotate horizontally through the horizontal rotation (4) of a platform, and drives a dust-settling agent, a gas distribution pipe (5) and vaporization equipment to work; the atomizer rotating platform (6) drives the horizontal rotating spray nozzle (7) and the top spray nozzle (9) to horizontally rotate at a low speed, and uniformly spray atomized dust-settling agent in different directions; the elevation angle adjustment (2) of the platform adjusts the elevation angle of the control platform (10) through a gear;
step 2: when the control platform (10) works, the base station connecting bolt (17) slides up and down relative to the boss (16), when the base station connecting bolt needs to be locked, the U-shaped groove pull rod (13) pulls the U-shaped groove (14) to be embedded into the groove of the concave ring (12), and meanwhile, the L-shaped groove (15) is sleeved with the boss (16) to lock the base station connecting bolt (17);
and 3, step 3: when the base station connecting bolt (17) works, the lifting wheel (171) drives the gasifier (174) to ascend or descend through an inner sleeve, a horizontal rotating wheel (178), a scattering blade horizontal lower rail (172), a front and back moving wheel (177), a scattering blade horizontal upper rail (176), a connecting shaft fixing plate (173) and a scattering connecting shaft (175); the horizontal rotating wheel (178) drives the gasifier (174) to rotate horizontally through the scattering blade horizontal lower rail (172), the front and rear moving wheel (177), the scattering blade horizontal upper rail (176), the connecting shaft fixing plate (173) and the scattering connecting shaft (175); the front and rear moving wheels (177) horizontally move between the scattering blade horizontal lower rail (172) and the scattering blade horizontal upper rail (176) to drive the connecting shaft fixing plate (173) and the scattering connecting shaft (175) to move so as to drive the gasifier (174) to move back and forth;
and 4, step 4: when the gasifier (174) works, the dust-settling agent enters the air-mixing monomer (1744) from the dust-settling agent inlet (1745), the gas enters the air-mixing monomer (1744) from the gas inlet (1747), the mixture and the gasification are carried out, the gasified body is discharged from the gasification bell mouth (1743), and the condensed water is discharged from the condensed water discharge (1746) at the bottom;
and 5, step 5: in the working process of the air mixing monomer (1744), three serially connected sleeves (17442) are sequentially communicated in series from left to right, a dust settling agent enters from the left serially connected sleeve (17442), and is stirred under the action of a moving hammer plug (17441) to form a turbulent dust settling agent, so that bubbles are favorably blended into the turbulent dust settling agent; after entering a middle serial sleeve (17442), the mixture is mixed with micro bubbles to realize primary gasification; entering the right side of the tandem sleeve (17442) and further gasifying under the action of a stirring square sheet (17445);
and 6, step 6: in the operation of the stirring drive (17444), under the control of the control unit (174443), the stirring rocker arm (174442) drives the driven shaft (174441) to rotate through the rocker arm gear (174447), the stirring transmission shaft (174445), the stirring gearbox (174444) and the bottom gear (174446);
and 7, step 7: in the operation of the stirring square piece (17445), the rotation of the rotating shaft drives the stirring shaft sliding groove (174456) to simultaneously bridge over a horizontal sliding way and an asymmetric swing on a vertical sliding way on the cross sliding way (174455) so as to drive the substrate (174451) to asymmetrically stir the dust-settling agent, and in the swing of the substrate (174451), part of the dust-settling agent body passes through a large hole in the center of the stirring square piece (17445) and passes through a substrate gap (174452), and a substrate (174451) and a ball sliding way (174453) gap to form a dust-settling agent body turbulence and increase the stirring effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010720479.1A CN111804097A (en) | 2020-07-24 | 2020-07-24 | Spraying dust fall equipment in coal preparation plant fine coal transportation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010720479.1A CN111804097A (en) | 2020-07-24 | 2020-07-24 | Spraying dust fall equipment in coal preparation plant fine coal transportation process |
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| Publication Number | Publication Date |
|---|---|
| CN111804097A true CN111804097A (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010720479.1A Withdrawn CN111804097A (en) | 2020-07-24 | 2020-07-24 | Spraying dust fall equipment in coal preparation plant fine coal transportation process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115105978A (en) * | 2022-08-26 | 2022-09-27 | 山东群鑫助剂有限公司 | Dispersion emulsification reation kettle |
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2020
- 2020-07-24 CN CN202010720479.1A patent/CN111804097A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115105978A (en) * | 2022-08-26 | 2022-09-27 | 山东群鑫助剂有限公司 | Dispersion emulsification reation kettle |
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Application publication date: 20201023 |