CN114392994A - Spraying device for cleaning blast furnace and using method thereof - Google Patents

Abstract

The invention discloses a spray device for cleaning a blast furnace and a use method thereof, and the spray device comprises a bottom plate, wherein one end of the top of the bottom plate is fixedly connected with a fixed frame, one end of the top of the fixed frame is fixedly provided with a first servo motor, an output shaft of the first servo motor penetrates through the fixed frame and is fixedly connected with a screw rod through a coupler, the bottom of the screw rod is rotatably connected with the top of the bottom plate, the outer side of the screw rod is in threaded connection with an L-shaped plate, and one end of the top of the inner wall of the fixed frame, which is far away from the screw rod, is fixedly connected with a slide rod. Meanwhile, the traditional manual groove mode is eliminated, the workload of operators is reduced, and the practical application and operation are facilitated.

Description

Spraying device for cleaning blast furnace and using method thereof

Technical Field

The invention belongs to the technical field of blast furnace cleaning, and particularly relates to a spraying device for blast furnace cleaning and a using method thereof.

Background

In the prior life, a blast furnace uses a steel plate as a furnace shell, a refractory brick lining is built in the shell, and a blast furnace body is divided into a furnace throat, a furnace body, a furnace waist, a furnace belly and a furnace cylinder from top to bottom, because the blast furnace ironmaking technology has the advantages of good economic indexes, simple process, large production capacity, high labor production efficiency, low energy consumption and the like, the iron produced by the method accounts for most of the total iron production in the world, iron ore, coke and slag-making flux are loaded from the furnace top during the production of the blast furnace, preheated air is blown in from an air port positioned at the lower part of the furnace along the periphery of the furnace, carbon in the coke and oxygen blown in the air burn and generate carbon monoxide and hydrogen at high temperature, oxygen in the iron ore is removed during the ascending process in the furnace, so as to reduce the flux, the smelted molten iron is discharged from an iron port, unreduced impurities in the iron ore and limestone are combined to generate slag, the slag is discharged from a slag port, and generated coal gas is discharged from the furnace top, after dust removal, the slag is used as fuel of hot blast furnaces, heating furnaces, coke ovens, boilers and the like, and the main products of blast furnace smelting are pig iron and byproducts of blast furnace slag and blast furnace gas.

After the blast furnace is used for a long time, the exterior and the inner wall of the blast furnace are often required to be cleaned regularly, in the prior art, when the exterior of the blast furnace is cleaned, the high-pressure spray head is mostly manually held by hand to spray and clean the high-pressure spray head, and the cleaning mode not only increases the workload of operators, but also reduces the cleaning efficiency, and meanwhile, the cleaning effect is poor, so that the blast furnace is not beneficial to practical application and operation.

The invention content is as follows:

the present invention has been made to solve the above problems, and an object of the present invention is to provide a blast furnace cleaning shower apparatus and a method of using the same, which solve the problems of the background art.

In order to solve the above problems, the present invention provides a technical solution:

a spraying device for cleaning a blast furnace comprises a bottom plate, wherein a fixed frame is fixedly connected to one end of the top of the bottom plate, a first servo motor is fixedly mounted at one end of the top of the fixed frame, an output shaft of the first servo motor penetrates through the fixed frame and is fixedly connected with a lead screw through a coupler, the bottom of the lead screw is rotatably connected with the top of the bottom plate, an L-shaped plate is in threaded connection with the outer side of the lead screw, a slide bar is fixedly connected to one end, away from the lead screw, of the top of the inner wall of the fixed frame, the bottom of the slide bar is in sliding connection with the top of the bottom plate, one end, away from the lead screw, of the L-shaped plate is in sliding connection with the slide bar, a conveying mechanism is arranged at one end, away from the fixed frame, of the top of the bottom plate, a driving mechanism is arranged at one side, away from the driving mechanism, of the L-shaped plate, and a fixed sleeve is fixedly connected to the outer side of the first rotation tube, the one end fixedly connected with fixed gear that L template was kept away from to fixed sleeve, the through-hole has been seted up to the inside of fixed gear, the one end that actuating mechanism was kept away from to first rotating tube runs through fixed sleeve and the first guide plate that the through-hole extends to the outside of fixed gear and fixedly connected with hollow structure, the top and the bottom of first guide plate all rotate and are connected with the second rotating tube, the equal fixedly connected with drive gear of one end that the second rotating tube is close to the L template, drive gear all is connected with the fixed gear meshing, the outside of second rotating tube just is located the equal equidistance in inside of first guide plate and has seted up the inlet opening, the equal fixedly connected with hollow structure's of one end second guide plate is kept away from to the second rotating tube, the equal equidistance fixedly connected with high pressure nozzle in one side that the second rotating tube was kept away from to the second guide plate.

As preferred, conveying mechanism includes the water storage box, the one end fixedly connected with water storage box of fixed frame is kept away from at the top of bottom plate, the top of bottom plate just is located fixed mounting between fixed frame and the water storage box and has the water pump, the input of water pump extends to the inside of water storage box, the output fixedly connected with coupling hose of water pump.

As preferred, actuating mechanism includes the drive box, the one side fixedly connected with drive box that the fixed sleeve was kept away from to the L template, the one end that first guide plate was kept away from to first rotation pipe runs through L template and drive box and fixedly connected with swivel joint, one end and the swivel joint fixed connection of water pump are kept away from to coupling hose, the outside of first rotation pipe and the inside fixedly connected with worm wheel that is located the drive box, the bottom fixed mounting of drive box has second servo motor, second servo motor's output shaft extends to the inside and the fixedly connected with transfer line of drive box, the one end that second servo motor was kept away from to the transfer line is rotated with the top of drive box inner wall and is connected, the outside of transfer line just is located the outside fixedly connected with worm of drive box, the worm wheel is connected with the worm meshing.

Preferably, two connecting rods are fixedly mounted at the top of the bottom plate and on one side of the water storage tank, and a cross rod is fixedly connected between the tops of the two connecting rods.

Preferably, the ratio of the diameters of the transmission gear and the fixed gear is one to two.

Preferably, one end of the top of the water storage tank, which is far away from the fixed frame, is fixedly connected with a filling pipe, and the bottom of the filling pipe extends to the inside of the water storage tank.

Preferably, one side fixed mounting that the outside of water storage box is kept away from fixed frame has control panel, first servo motor, water pump, second servo motor all with control panel electric connection.

Preferably, four corners of the bottom plate are fixedly provided with self-locking wheels.

A using method of a spraying device for cleaning a blast furnace comprises the following steps:

s1, moving the equipment to a specified position through an auto-lock wheel, electrifying the equipment, filling a water source into the water storage tank through a filling pipe, controlling a water pump to work through a control panel, pumping the water source into a connecting hose, introducing the water source into a first rotating pipe through a rotary joint, then introducing the water source into a first guide plate, then introducing the water source into a second rotating pipe through a water inlet, introducing the water source into a second guide plate through a second rotating pipe, and finally performing spraying operation through a high-pressure nozzle;

s2, when spraying operation is carried out, the first servo motor can be controlled to work through the control panel to drive the screw rod to rotate, so that the L-shaped plate is driven to move up and down under the limiting action of the sliding rod, and the height of the equipment is adjusted;

and S3, the control panel can control the second servo motor to work to drive the transmission rod and the worm to rotate, so as to drive the worm wheel and the first rotation pipe to rotate, the first guide plate is driven to rotate through the rotation of the first rotation pipe, the two second rotation pipes are driven to revolve through the rotation of the first guide plate, the two transmission gears are driven to rotate around the fixed gear, the second rotation pipes are driven to rotate through the matching between the fixed gear and the transmission gears, and the second guide plate is driven to rotate through the rotation of the second rotation pipe, so that the spraying operation which is performed simultaneously through rotation and revolution is completed.

The invention has the beneficial effects that: the rotary spraying device is compact in structure, simple and convenient to operate and high in practicability, the conveying mechanism is used for conveying a water source, and meanwhile, the rotary spraying part driven by the driving mechanism is arranged, so that the rotary spraying can be carried out while revolving spraying is carried out, the spraying and cleaning efficiency and the cleaning effect are greatly improved, the traditional artificial groove mode is eliminated, the workload of operators is reduced, and the rotary spraying device is beneficial to practical application and operation.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the spray site configuration of the present invention;

FIG. 3 is a schematic view of the structure of the fixing frame of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a base plate; 2. a fixing frame; 3. a first servo motor; 4. a screw rod; 5. an L-shaped plate; 6. a slide bar; 7. a conveying mechanism; 71. a water storage tank; 72. a filling pipe; 73. a water pump; 74. a connecting hose; 8. a drive mechanism; 81. a drive cartridge; 82. a rotary joint; 83. a worm gear; 84. a second servo motor; 85. a transmission rod; 86. a worm; 9. a first rotation pipe; 10. fixing the sleeve; 11. fixing a gear; 12. a through hole; 13. a first baffle; 14. a second rotating tube; 15. a transmission gear; 16. a water inlet hole; 17. a second baffle; 18. a high pressure spray head; 19. a connecting rod; 20. a cross bar; 21. a control panel.

The specific implementation mode is as follows:

as shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment:

example (b):

a spray device for cleaning a blast furnace comprises a bottom plate 1, a fixed frame 2 is fixedly connected with one end of the top of the bottom plate 1, a first servo motor 3 is fixedly arranged at one end of the top of the fixed frame 2, an output shaft of the first servo motor 3 penetrates through the fixed frame 2 and is fixedly connected with a screw rod 4 through a coupler, the bottom of the screw rod 4 is rotatably connected with the top of the bottom plate 1, the outer side of the screw rod 4 is connected with an L-shaped plate 5 through a thread, one end of the top of the inner wall of the fixed frame 2, which is far away from the screw rod 4, is fixedly connected with a slide rod 6, the bottom of the slide rod 6 is connected with the top of the bottom plate 1 in a sliding way, one end of the L-shaped plate 5, which is far away from the screw rod 4, is connected with the slide rod 6 in a sliding way, the first servo motor 3 is controlled to work to drive the screw rod 4 to rotate, thereby driving the L-shaped plate 5 to move up and down under the limiting action of the sliding rod 6, and further adjusting the height of the equipment; one end of the top of the bottom plate 1, which is far away from the fixed frame 2, is provided with a conveying mechanism 7, one side of the top of the L-shaped plate 5 is provided with a driving mechanism 8, a first rotating pipe 9 is rotatably connected to one side of the top of the L-shaped plate 5 far away from the driving mechanism 8, a fixing sleeve 10 is fixedly connected to one side of the L-shaped plate 5 away from the driving mechanism 8 and outside the first rotating pipe 9, one end of the fixed sleeve 10, which is far away from the L-shaped plate 5, is fixedly connected with a fixed gear 11, a through hole 12 is arranged inside the fixed gear 11, one end of the first rotating pipe 9 far away from the driving mechanism 8 penetrates through the fixing sleeve 10 and the through hole 12 to extend to the outer side of the fixed gear 11 and is fixedly connected with a first flow guide plate 13 with a hollow structure, the interior of the first rotating pipe 9 is communicated with the interior of the first flow guide plate 13, meanwhile, the first guide plate 13 is conveniently driven to rotate through the rotation of the first rotating pipe 9; the top and the bottom of the first guide plate 13 are both rotatably connected with second rotating pipes 14, one ends of the second rotating pipes 14, which are close to the L-shaped plates 5, are both fixedly connected with transmission gears 15, the transmission gears 15 are both meshed with the fixed gear 11, water inlet holes 16 are formed in the outer sides of the second rotating pipes 14 and are positioned in the first guide plate 13 at equal intervals, and the first guide plate 13 is conveniently communicated with the inside of the second rotating pipes 14 through the water inlet holes 16; one end of each second rotating pipe 14, which is far away from the transmission gear 15, is fixedly connected with a second guide plate 17 with a hollow structure, the two second rotating pipes 14 can be better driven to revolve by the rotation of the first guide plate 13, the two transmission gears 15 can be driven to rotate around the fixed gear 11, the second rotating pipes 14 can be better driven to rotate by the matching between the fixed gear 11 and the transmission gears 15, and the second guide plates 17 can be driven to rotate by the rotation of the second rotating pipes 14; the equal equidistance fixedly connected with high pressure nozzle 18 of one side that second guide plate 17 kept away from second rotating tube 14 is convenient for better the operation of spraying through high pressure nozzle 18.

Wherein, conveying mechanism 7 includes water storage tank 71, the one end fixedly connected with water storage tank 71 of fixed frame 2 is kept away from at the top of bottom plate 1, the top of bottom plate 1 just is located fixed mounting between fixed frame 2 and the water storage tank 71 has water pump 73, the input of water pump 73 extends to the inside of water storage tank 71, the output fixedly connected with coupling hose 74 of water pump 73 carries out work through control water pump 73, the better inside of coupling hose 74 is gone into with the inside water source pump of water storage tank 71 of being convenient for.

Wherein, actuating mechanism 8 includes drive box 81, one side fixedly connected with drive box 81 that L template 5 is close to and keeps away from fixed sleeve 10, the one end that first guide plate 13 was kept away from to first rotation pipe 9 runs through L template 5 and drive box 81 and fixedly connected with rotary joint 82, the one end and the rotary joint 82 fixed connection that water pump 73 was kept away from to connecting hose 74, the outside of first rotation pipe 9 just is located the inside fixedly connected with worm wheel 83 of drive box 81, the bottom fixed mounting of drive box 81 has second servo motor 84, the output shaft of second servo motor 84 extends to the inside of drive box 81 and fixedly connected with transfer line 85, the one end that second servo motor 84 was kept away from to transfer line 85 rotates with the top of drive box 81 inner wall to be connected, the outside of transfer line 85 just is located the outside fixedly connected with worm 86 of drive box 81, the worm wheel 83 is engaged with the worm 86, and the second servo motor 84 is controlled to work to drive the transmission rod 85 and the worm 86 to rotate, so as to drive the worm wheel 83 and the first rotating pipe 9 to rotate, and simultaneously, the first rotating pipe 9 does not drive the connecting hose 74 to rotate while rotating through the action of the rotary joint 82, and the water source inside the water storage tank 71 is introduced into the inside of the first rotating pipe 9 through the connecting hose 74.

Wherein, the top of bottom plate 1 and the one side fixed mounting that is located water storage tank 71 have two connecting rods 19, two fixedly connected with horizontal pole 20 between the top of connecting rod 19, through the cooperation between horizontal pole 20 and the connecting rod 19, be convenient for better promote equipment.

The ratio of the diameters of the transmission gear 15 to the fixed gear 11 is one to two, which is convenient for better power transmission and drives the second rotating pipe 14 to rotate.

A filling pipe 72 is fixedly connected to one end, far away from the fixed frame 2, of the top of the water storage tank 71, the bottom of the filling pipe 72 extends into the water storage tank 71, and a water source can be filled into the water storage tank 71 better through the filling pipe 72.

Wherein, one side fixed mounting that fixed frame 2 was kept away from in the outside of water storage tank 71 has control panel 21, first servo motor 3, water pump 73, second servo motor 84 all with control panel 21 electric connection, be convenient for better control the equipment is whole through control panel 21.

The four corners of the bottom plate 1 are fixedly provided with self-locking wheels, so that the whole equipment can be conveniently moved.

A using method of a spraying device for cleaning a blast furnace comprises the following steps:

s1, moving the equipment to a designated position through an auto-lock wheel, electrifying the equipment, filling a water source into the water storage tank 71 through the filling pipe 72, controlling the water pump 73 to work through the control panel 21, pumping the water source into the connecting hose 74, introducing the water source into the first rotating pipe 9 through the rotary joint 82, then introducing the water source into the first guide plate 13, then introducing the water source into the second rotating pipe 14 through the water inlet hole 16, introducing the water source into the second guide plate 17 through the second rotating pipe 14, and finally performing spraying operation through the high-pressure spray head 18;

s2, when spraying operation is carried out, the first servo motor 3 can be controlled to work through the control panel 21 to drive the screw rod 4 to rotate, so that the L-shaped plate 5 is driven to move up and down under the limiting effect of the slide rod 6, and the height of the equipment is adjusted;

s3, the second servo motor 84 is controlled by the control panel 21 to operate, the driving rod 85 and the worm 86 are driven to rotate, so as to drive the worm wheel 83 and the first rotation tube 9 to rotate, the first diversion plate 13 is driven to rotate by the rotation of the first diversion plate 13, the two second rotation tubes 14 are driven to revolve by the rotation of the first diversion plate 13, the two transmission gears 15 are driven to rotate around the fixed gear 11, the second rotation tubes 14 are driven to rotate by the cooperation between the fixed gear 11 and the transmission gears 15, and the second diversion plate 17 is driven to rotate by the rotation of the second rotation tube 14, so as to complete the spraying operation which is performed by the rotation and the revolution simultaneously.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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)

1. The spraying device for cleaning the blast furnace comprises a bottom plate (1) and is characterized in that a fixed frame (2) is fixedly connected with one end of the top of the bottom plate (1), a first servo motor (3) is fixedly mounted at one end of the top of the fixed frame (2), an output shaft of the first servo motor (3) penetrates through the fixed frame (2) and is fixedly connected with a lead screw (4) through a coupler, the bottom of the lead screw (4) is rotatably connected with the top of the bottom plate (1), an L-shaped plate (5) is in threaded connection with the outer side of the lead screw (4), a sliding rod (6) is fixedly connected with one end of the top of the inner wall of the fixed frame (2), the bottom of the sliding rod (6) is in sliding connection with the top of the bottom plate (1), one end of the L-shaped plate (5) far away from the lead screw (4) is in sliding connection with the sliding rod (6), a conveying mechanism (7) is arranged at one end of the top of the bottom plate (1) far away from the fixed frame (2), one side at the top of the L-shaped plate (5) is provided with a driving mechanism (8), one side, far away from the driving mechanism (8), of the top of the L-shaped plate (5) is rotatably connected with a first rotating pipe (9), one side, far away from the driving mechanism (8), of the L-shaped plate (5) is fixedly connected with a fixing sleeve (10) outside the first rotating pipe (9), one end, far away from the L-shaped plate (5), of the fixing sleeve (10) is fixedly connected with a fixing gear (11), a through hole (12) is formed in the fixing gear (11), one end, far away from the driving mechanism (8), of the first rotating pipe (9) penetrates through the fixing sleeve (10) and the through hole (12) and extends to the outer side of the fixing gear (11) and is fixedly connected with a first guide plate (13) with a hollow structure, and the top and the bottom of the first guide plate (13) are both rotatably connected with a second rotating pipe (14), the utility model discloses a fan guide plate, including first guide plate (13), second guide plate (14), first rotating pipe (14) and second rotating pipe (14), the equal fixedly connected with drive gear (15) of one end that second rotating pipe (14) are close to L template (5), drive gear (15) all are connected with fixed gear (11) meshing, inlet opening (16) have been seted up to the outside of second rotating pipe (14) and the equal equidistance in inside that is located first guide plate (13), the equal fixedly connected with hollow structure's of one end second guide plate (17) of drive gear (15) are kept away from in second rotating pipe (14), the equal equidistance fixedly connected with high pressure nozzle (18) in one side that second rotating pipe (14) were kept away from in second guide plate (17).

2. The blast furnace spraying device for cleaning according to claim 1, wherein the conveying mechanism (7) comprises a water storage tank (71), one end of the top of the bottom plate (1) far away from the fixed frame (2) is fixedly connected with the water storage tank (71), a water pump (73) is fixedly installed at the top of the bottom plate (1) and positioned between the fixed frame (2) and the water storage tank (71), the input end of the water pump (73) extends to the inside of the water storage tank (71), and the output end of the water pump (73) is fixedly connected with a connecting hose (74).

3. The spraying device for cleaning the blast furnace according to claim 2, wherein the driving mechanism (8) comprises a driving box (81), the driving box (81) is fixedly connected to one side of the L-shaped plate (5) close to the side far away from the fixed sleeve (10), one end of the first rotating pipe (9) far away from the first guide plate (13) penetrates through the L-shaped plate (5) and the driving box (81) and is fixedly connected with a rotary joint (82), one end of the connecting hose (74) far away from the water pump (73) is fixedly connected with the rotary joint (82), a worm wheel (83) is fixedly connected to the outer side of the first rotating pipe (9) and is positioned inside the driving box (81), a second servo motor (84) is fixedly installed at the bottom of the driving box (81), an output shaft of the second servo motor (84) extends to the inside of the driving box (81) and is fixedly connected with a transmission rod (85), one end, far away from the second servo motor (84), of the transmission rod (85) is rotatably connected with the top of the inner wall of the driving box (81), a worm (86) is fixedly connected to the outer side of the transmission rod (85) and located on the outer side of the driving box (81), and the worm wheel (83) is meshed with the worm (86).

4. The blast furnace cleaning spray device according to claim 2, wherein two connecting rods (19) are fixedly installed on the top of the bottom plate (1) and on one side of the water storage tank (71), and a cross rod (20) is fixedly connected between the tops of the two connecting rods (19).

5. The blast furnace cleaning shower apparatus according to claim 1, wherein a ratio of the diameters of the transmission gear (15) and the fixed gear (11) is one to two.

6. The blast furnace cleaning sprinkler device according to claim 2, characterized in that a filling pipe (72) is fixedly connected to the top of the water reservoir (71) at an end thereof remote from the fixed frame (2), and the bottom of the filling pipe (72) extends to the inside of the water reservoir (71).

7. The blast furnace cleaning spray device according to claim 3, wherein a control panel (21) is fixedly installed on one side of the outer side of the water storage tank (71) far away from the fixed frame (2), and the first servo motor (3), the water pump (73) and the second servo motor (84) are electrically connected with the control panel (21).

8. The blast furnace cleaning spray device according to claim 1, wherein self-locking wheels are fixedly mounted at four corners of the bottom plate (1).

9. The method for using the blast furnace cleaning spray device according to any one of claims 1 to 8, comprising the steps of:

s1, moving the equipment to a designated position through a self-locking wheel, electrifying the equipment, filling a water source into the water storage tank (71) through a filling pipe (72), controlling a water pump (73) to work through a control panel (21), pumping the water source in the water storage tank (71) into the connecting hose (74), introducing the water source into the first rotating pipe (9) through a rotary joint (82), then entering the first guide plate (13), then entering the second rotating pipe (14) through a water inlet hole (16), entering the second guide plate (17) through the second rotating pipe (14), and finally performing spraying operation through a high-pressure spray head (18);

s2, when spraying operation is carried out, the first servo motor (3) can be controlled to work through the control panel (21) to drive the screw rod (4) to rotate, so that the L-shaped plate (5) is driven to move up and down under the limiting action of the slide rod (6), and the height of the equipment is adjusted;

s3, the second servo motor (84) can be controlled to work through the control panel (21), the transmission rod (85) and the worm (86) are driven to rotate, the worm wheel (83) and the first rotating pipe (9) are driven to rotate, the first guide plate (13) is driven to rotate through the rotation of the first rotating pipe (9), the two second rotating pipes (14) are driven to revolve through the rotation of the first guide plate (13), the two transmission gears (15) are driven to rotate around the fixed gear (11), the second rotating pipe (14) is driven to rotate through the matching between the fixed gear (11) and the transmission gears (15), and the second guide plate (17) is driven to rotate through the rotation of the second rotating pipe (14), so that the spraying operation of rotation and simultaneous rotation is completed.

Images