Water mist device of tapping machine

Abstract

The utility model provides a tapping machine water mist device, and belongs to the technical field of blast furnace ironmaking. The tapping machine water mist device comprises a tapping machine body, the tapping machine body is provided with a drill rod, an atomization box is arranged at the position, located above the drill rod, of the tapping machine body, an atomization head is arranged at the bottom of the atomization box, and the atomization box is communicated with an atomization pipe. Wherein the tapping machine body is provided with a water pipe and an air pipe, and the water pipe and the air pipe are respectively communicated with the atomizing pipe; an anti-blocking mechanism used for preventing the atomization head from being blocked is arranged at the bottom of the atomization box, and the anti-blocking mechanism communicates with the air pipe through an air conveying pipe. The water pipe conveys high-pressure water flow, the air pipe conveys high-pressure nitrogen, the high-pressure water flow enters the atomization pipe to be atomized by the high-pressure nitrogen, and generated water mist enters the atomization box and is sprayed out of the drill rod below through the atomization head. Meanwhile, the anti-blocking mechanism is opened by high-pressure nitrogen, so that the atomizing head can spray water mist conveniently; when the atomizer is not used, the anti-blocking mechanism is closed, so that the atomizing head is prevented from being blocked by dust, impurities and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of blast furnace ironmaking, in particular to the technical field of cooling a drill rod of an opening machine, and specifically relates to a water mist device for an opening machine. Background Art

[0002] At present, the water mist system is an indispensable condition during the opening of the iron-making blast furnace's front eye-opening machine. However, with the daily operation needs, many uncontrollable factors are exposed, which directly affect the opening time. The high-pressure water mist pump head and motor capacitor equipped with the machine belt often fail. After the failure, the high-pressure water source is lost, and high-pressure water mist cannot be formed, resulting in the inability to open the iron mouth normally.

[0003] Due to the high temperature and high dust in the furnace front operation, when using the blast furnace opening machine to open the iron mouth in front of the furnace, using the water mist system for water mist blowing can suppress the dust and cool the drill tools, thereby protecting the iron mouth, extending the life of the blast furnace, and helping to reduce the consumption of drill tools.

[0004] In the use of the blast furnace opening machine with a water mist system, the atomizing water cooling box will spray water mist through the spray port when in use, but when the atomizing water cooling box is not in use, the spray port is generally exposed to the air. However, since the atomizing water cooling box is installed on the blast furnace opening machine, but the blast furnace opening machine is used next to the blast furnace, when the atomizing water cooling box is not in use, the spray port may be contaminated with dust and impurities in the air and slag in the blast furnace. When the spray port is not in use, it is easy to cause the spray port to be blocked by dust and impurities. When the atomizing water cooling box is needed to cool the drill tool of the blast furnace opening machine, the mist outlet effect of the spray port will be reduced, further affecting the cooling ability of the drill tool, thereby reducing the use effect of the overall device. Utility Model Content

[0005] The utility model provides an open-mouth water mist device to solve the problem that the pump head or motor capacitor of the high-pressure water mist pump in the prior art often fails, and to solve the problem that the spray port is easily blocked by dust impurities in the air and slag in the blast furnace. The high-pressure water flow in the utility model is atomized under the action of high-pressure nitrogen, and the anti-blocking mechanism is opened and closed under the action of high-pressure nitrogen.

[0006] The technical solution adopted by the water mist device of the opening machine of the utility model is:

[0007] The utility model provides a water mist device for an opening machine, comprising an opening machine body, the opening machine body is provided with a drill rod, an atomizing box is provided at a position above the drill rod, an atomizing head is provided at the bottom of the atomizing box, and the atomizing box is connected to an atomizing pipe; wherein the opening machine body is provided with a water pipe and an air pipe, and the water pipe and the air pipe are respectively connected to the atomizing pipe;

[0008] An anti-blocking mechanism for preventing the atomizing head from being blocked is arranged at the bottom of the atomizing box, and the anti-blocking mechanism is connected with the air pipe through the air supply pipe.

[0009] In this further technical solution, the water pipe is used to convey high-pressure water flow, and the air pipe is used to convey high-pressure nitrogen. The high-pressure water flow enters the atomizing pipe and is atomized by the high-pressure nitrogen. The generated water mist enters the atomizing box and is sprayed toward the drill rod below through the atomizing head. On the one hand, the sprayed water mist can cool the drill rod. On the other hand, the sprayed water mist can blow away the dust or slag generated when the drill rod is opened, thereby preventing dust or slag from entering the atomizing head and clogging the atomizing head; at the same time, the high-pressure nitrogen opens the anti-blocking mechanism, making it convenient for the atomizing head to spray water mist; when the utility model stops being used, the high-pressure nitrogen is no longer conveyed in the air pipe, and the anti-blocking mechanism is closed, thereby protecting the atomizing head and preventing the atomizing head from being exposed to the air and being blocked by dust, impurities, etc.

[0010] Furthermore, a driving mechanism is slidably arranged below the opening machine body, and the drill rod is rotationally connected to the driving mechanism.

[0011] In this further technical solution, the drill rod can be driven to rotate by the provided driving mechanism, thereby achieving the purpose of opening.

[0012] Furthermore, a first slide groove is provided at the bottom of the opening machine body along its length direction, a first slider is slidably arranged in the first slide groove, and a driving mechanism is located below the first slider and fixedly connected to the first slider; wherein a screw rod is rotatably arranged in the first slide groove, the screw rod passes through the first slider and is threadedly connected to the first slider.

[0013] In this further technical solution, by driving the screw rod to rotate, the first slider can be moved in the first slide groove, and the moving first slider can drive the driving mechanism and the drill rod to move, so that the drill rod can rotate and move toward the blast furnace, making it convenient for the drill rod to complete the opening.

[0014] Furthermore, a first ball valve is provided on the water pipe, a second ball valve is provided on the air pipe, and a third ball valve is provided on the gas transmission pipe.

[0015] In this further technical solution, the high-pressure water flow pressure in the water pipe can be adjusted by setting the first ball valve; the pressure of the high-pressure nitrogen in the air pipe can be adjusted by setting the second ball valve; and the nitrogen pressure for opening the anti-blocking mechanism can be adjusted by setting the third ball valve.

[0016] Furthermore, the anti-blocking mechanism includes a protective shell fixedly arranged at the bottom of the atomizer box, and a through hole is provided at the bottom of the protective shell corresponding to the position of the atomizer head; wherein the air supply pipe is connected to the protective shell, and a blocking block for blocking the through hole is slidably arranged in the protective shell, and a groove is provided on the top of the blocking block, and cleaning cotton for cleaning the atomizer head is arranged in the groove.

[0017] In this further technical solution, the sealing block blocks the through hole while the cleaning cotton on the sealing block blocks the atomizer head, thereby preventing dust outside the protective shell from entering the protective shell and clogging the atomizer head; when the gas pipe inputs high-pressure nitrogen into the protective shell, the sealing block is pushed to move in the protective shell under the action of pressure, thereby opening the through hole, and the cleaning cotton can wipe the atomizer head while the sealing block moves.

[0018] Furthermore, two opposite inner walls of the protective shell are provided with second sliding grooves along the length direction thereof, a second sliding block is slidably connected in the second sliding groove, and the second sliding block is fixedly connected to the blocking block.

[0019] In this further technical solution, the second sliding groove and the second sliding block are provided to facilitate the movement of the blocking block in the protective shell and prevent the blocking block from getting stuck when moving in the protective shell.

[0020] Furthermore, the blocking block is connected to the inner wall of the protective shell through a spring rod, and the side wall of the protective shell provided with the spring rod is provided with an air outlet.

[0021] In this further technical solution, the nitrogen entering the blocking block causes the pressure on one side of the spring rod of the blocking block to increase, and under the action of the pressure, the blocking block is pushed to move in the direction of the spring rod, compressing the spring rod until the through hole is fully opened. At this time, the nitrogen in the protective shell and the water mist generated by the atomizer head are sprayed toward the drill rod through the through hole; when the nitrogen is stopped from being input into the protective shell, the blocking block is pushed to move in the opposite direction under the action of the spring rod until the blocking block blocks the through hole and the atomizer head again.

[0022] The beneficial effects of the utility model are:

[0023] 1. In the water mist device of the opening machine, the water pipe is used to convey the high-pressure water flow, and the air pipe is used to convey the high-pressure nitrogen. The high-pressure water flow enters the atomizing pipe and is atomized by the high-pressure nitrogen. The generated water mist enters the atomizing box and is sprayed toward the drill rod below through the atomizing head. On the one hand, the sprayed water mist can cool the drill rod, and on the other hand, the sprayed water mist can sweep the dust or slag generated when the drill rod is opened, so as to prevent the dust or slag from entering the atomizing head and clogging the atomizing head. Compared with the prior art, the utility model atomizes the water flow through the high-pressure nitrogen, does not need to use the water mist pump, saves the electricity consumption, and avoids the water mist pump or the motor capacitor failure causing the water mist abnormality and the waste of the drill rod, thereby shortening the opening time, providing a guarantee for zero-interval iron tapping, and saving the machine material consumption by the waste of spare parts damage.

[0024] 2. In the water mist device of the opening machine, when the utility model is in use, when the gas pipe inputs high-pressure nitrogen into the protective shell, the blocking block is pushed to move in the protective shell under the action of pressure, thereby opening the through hole, making it convenient for the water mist sprayed from the atomizing head to be sprayed toward the drill rod through the through hole, and the cleaning cotton can wipe the atomizing head while the blocking block moves; when the utility model is not in use, the blocking block is pushed to the original position under the action of the spring rod, at which time the blocking block blocks the through hole, and at the same time the cleaning cotton on the blocking block blocks the atomizing head, thereby preventing dust outside the protective shell from entering the protective shell and clogging the atomizing head. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of a water mist device for an opening machine provided by an embodiment of the utility model;

[0026] Figure 2 This is a schematic structural diagram of a water mist device for an opening machine provided by an embodiment of the utility model from another angle;

[0027] Figure 3 It is a structural schematic diagram of an atomizing box of a water mist device of an opening machine provided by an embodiment of the utility model;

[0028] Figure 4 It is a structural schematic diagram of an anti-blocking mechanism of a water mist device of an opening machine provided by an embodiment of the utility model;

[0029] Figure 5 The utility model is a schematic diagram of the connection structure of a water pipe, an air pipe, an atomizing pipe and an air delivery pipe of a water mist device of an opening machine provided by an embodiment of the utility model.

[0030] In the attached drawings: 1. opening machine body; 2. drill rod; 3. atomization box; 4. atomization head; 5. atomization tube; 6. water pipe; 7. air pipe; 8. anti-blocking mechanism; 9. air pipe; 10. driving mechanism; 11. first slide groove; 12. first slider; 13. screw rod; 14. first ball valve; 15. second ball valve; 16. third ball valve; 17. protective shell; 18. through hole; 19. blocking block; 20. cleaning cotton; 21. second slide groove; 22. second slider; 23. spring rod; 24. guide plate; 25. guide hole; 26. pressure gauge; 27. gas cavity; 28. spring cavity. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. In the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0032] First reference Figure 1 and Figure 2 ,according to Figure 1 and Figure 2 It can be seen that the utility model includes an opening machine body 1, a driving mechanism 10 is slidably connected to the lower part of the opening machine body 1, and the driving mechanism 10 is rotatably connected to the drill rod 2. The driving mechanism 10 can specifically adopt a driving motor commonly used in the prior art; continue to refer to Figure 1 and Figure 2 A guide plate 24 for guiding the drill rod 2 is fixedly connected to the bottom of the opening machine body 1 . A guide hole 25 is opened on the guide plate 24 corresponding to the position of the drill rod 2 , and the drill rod 2 passes through the guide hole 25 .

[0033] In the present utility model, the driving mechanism 10 can be specifically connected to the opening machine body 1. Figure 2 ,according to Figure 2 It can be seen that the bottom of the opening machine body 1 is provided with a first slide groove 11 along its length direction, and a first slider 12 is slidably connected in the first slide groove 11. The driving mechanism 10 is located below the first slider 12 and is fixedly connected to the first slider 12; continue to refer to Figure 2 A screw rod 13 is rotatably connected in the first slide groove 11 , and the screw rod 13 passes through the first slider 12 and is threadedly connected to the first slider 12 .

[0034] Continue to refer Figure 2 It can be seen that the bottom of the opening machine body 1 is located on one side of the first chute 11 and is fixedly connected to the atomizing box 3. The specific setting of the atomizing box 3 can refer to Figure 3 ,according to Figure 3 It can be seen that the bottom of the atomizing box 3 is fixedly connected with the atomizing head 4, and the bottom of the atomizing head 4 is parallel to the bottom of the atomizing box 3; Figure 1 and Figure 2 A water pipe 6 and an air pipe 7 are laid in parallel on the opening machine body 1 in the utility model, wherein the water pipe 6 is connected to the blast furnace, and the high-pressure water in the blast furnace flows into the water pipe 6. The air pipe 7 is used to transport high-pressure nitrogen, and the water pipe 6 and the air pipe 7 are both connected to the same atomizing pipe 5, and one end of the atomizing pipe 5 away from the water pipe 6 and the air pipe 7 is connected to the atomizing box 3.

[0035] Continue to refer Figure 1 and Figure 2 In the present invention, an anti-blocking mechanism 8 is arranged below the atomizing box 3. The anti-blocking mechanism 8 is used to prevent the atomizing head 4 in the present invention from being blocked. The specific arrangement of the anti-blocking mechanism 8 can refer to Figure 4 ,according to Figure 4 It can be seen that the anti-blocking mechanism 8 in the present invention includes a protective shell 17 fixedly connected to the bottom of the atomizing box 3. Figure 2 It can be seen that a through hole 18 is provided at the bottom of the protective shell 17, and the position of the through hole 18 corresponds to the position of the atomizing head 4; Figure 4A blocking block 19 is slidably connected in the protective shell 17, and the blocking block 19 divides the internal space of the protective shell 17 into a gas chamber 27 and a spring chamber 28. The gas chamber 27 is connected to the air pipe 7 through the air delivery pipe 9. A plurality of parallel spring rods 23 are arranged in the spring chamber 28, and one end of each spring rod 23 is fixedly connected to the side wall of the blocking block 19, and the other end of each spring rod 23 is fixedly connected to the inner wall of the protective shell 17; continue to refer to Figure 4 The top of the blocking block 19 is fixedly connected with a cleaning cotton 20. When the cleaning cotton 20 is specifically arranged, a groove can be opened on the top of the blocking block 19, and the cleaning cotton 20 can be fixedly placed in the groove, and the top of the cleaning cotton 20 is flush with the top of the blocking block 19. When the utility model is not in use, under the action of the spring rod 23, the blocking block 19 is just moved to the top of the through hole 18, thereby blocking the through hole 18. At the same time, the cleaning cotton 20 on the top of the blocking block 19 blocks the atomizing head 4 at the bottom of the atomizing box 3.

[0036] In the present invention, in order to prevent the blocking block 19 from getting stuck during the movement, continue to refer to Figure 4 The front and rear inner walls of the protective shell 17 are both provided with second slide grooves 21 along the length direction thereof, each second slide groove 21 is slidably connected with a second slider 22 , and each second slider 22 is fixedly connected to the blocking block 19 .

[0037] The utility model water pipe 6, air pipe 7, atomizing pipe 5 and air delivery pipe 9 can be referred to in the specific arrangement Figure 5 ,according to Figure 5 It can be seen that a first ball valve 14 is provided on the water pipe 6 along the water flow direction, a second ball valve 15 is provided on the air pipe 7 along the gas flow direction, a third ball valve 16 is provided on the air pipe 9 along the gas flow direction, and a pressure gauge 26 is provided on the water pipe 6, the air pipe 7 and the air pipe 9. In the utility model, the first ball valve 14 can adjust the pressure of the water flow in the water pipe 6, the second ball valve 15 can adjust the pressure of the nitrogen in the air pipe 7, so as to achieve a better atomization effect, and the third ball valve 16 can adjust the pressure of the nitrogen in the air pipe 9.

[0038] The working principle of the water mist device of the opening machine is as follows: when the utility model is not in use, the blocking block 19 blocks the through hole 18, and the first ball valve 14, the second ball valve 15 and the third ball valve 16 are all in a closed state.

[0039] When the utility model is used, the first ball valve 14 and the second ball valve 15 are first opened, and the pressure in the corresponding air pipe 7 or water pipe 6 is adjusted by the first ball valve 14 or the second ball valve 15, and the water flow is atomized by the high-pressure nitrogen in the atomizing pipe 5, and the generated water mist enters the atomizing box 3; while opening the first ball valve 14 and the second ball valve 15, the third ball valve 16 is opened, so that part of the nitrogen enters the gas chamber 27 through the gas delivery pipe 9, and as the nitrogen in the gas chamber 27 increases, the gas in the gas chamber 27 increases. The pressure will be greater than the elastic force of the spring rod 23 in the spring chamber 28, thereby pushing the blocking block 19 to move in the direction of the spring rod 23. When the blocking block 19 moves, the cleaning cotton 20 on the top will wipe the atomizing head 4, thereby cleaning the atomizing head 4; when the spring rod 23 is compressed to the extreme, the blocking block 19 will no longer move, and the through hole 18 will be fully opened at this time. The water mist in the atomizing box 3 will be sprayed into the protective shell 17 through the atomizing head 4, and the water mist in the protective shell 17 will be sprayed into the drill rod 2 below through the through hole 18. Since the air pipe 9 continuously inputs nitrogen into the protective shell 17, the excess nitrogen will be sprayed into the drill rod 2 together with the water mist, thereby increasing the spraying pressure of the nitrogen.

[0040] In the utility model, in order to facilitate the movement of the blocking block 19 toward the direction of the spring rod 23, a plurality of air outlet holes (not shown in the figure) are provided on the side wall of the protective shell 17 at positions corresponding to the spring cavity 28, so that when the blocking block 19 moves toward the direction of the spring rod 23, the air in the spring cavity 28 can be conveniently discharged to the outside of the protective shell 17 through the air outlet holes.

[0041] When the utility model stops being used, the first ball valve 14, the second ball valve 15 and the third ball valve 16 are closed. At this time, the gas pipe 9 no longer inputs nitrogen into the protective shell 17. As the nitrogen is discharged from the through hole 18, the pressure in the gas chamber 27 will gradually decrease. When the pressure in the gas chamber 27 is less than the elastic force of the spring rod 23, the blocking block 19 gradually moves under the action of the spring rod 23 until the blocking block 19 blocks the through hole 18. At this time, the cleaning cotton 20 on the top of the blocking block 19 blocks the atomizer head 4 at the same time, thereby preventing external dust from entering the protective shell 17 and clogging the atomizer head 4 when the utility model is not in use.

[0042] In the above embodiment, the utility model provides a water mist device for an opening machine, in which the water pipe is used to convey high-pressure water flow, and the air pipe is used to convey high-pressure nitrogen. The high-pressure water flow enters the atomizing pipe and is atomized by the high-pressure nitrogen. The generated water mist enters the atomizing box and is sprayed toward the drill rod below through the atomizing head. On the one hand, the sprayed water mist can cool the drill rod, and on the other hand, the sprayed water mist can blow away the dust or slag generated when the drill rod is opened, thereby preventing dust or slag from entering the atomizing head and clogging the atomizing head. Compared with the prior art, the utility model atomizes the water flow through high-pressure nitrogen, does not need to use a water mist pump, saves electricity consumption, and at the same time avoids the failure of the water mist pump or the motor capacitor resulting in abnormal water mist and waste of the drill rod, thereby shortening the eye opening time, providing a guarantee for zero-interval iron tapping, and saving machine material consumption due to damage and waste of spare parts.

[0043] The above-described embodiments are merely descriptions of preferred implementations of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by ordinary personnel in the field to the technical solution of the present invention should fall within the protection scope of the present invention, and the technical contents of the present invention for protection have been fully recorded in the claims.

Claims

1. A water mist device for an opening machine, comprising an opening machine body (1), wherein the opening machine body (1) is provided with a drill rod (2), characterized in that: The opening machine body (1) is provided with an atomizing box (3) at a position above the drill rod (2), an atomizing head (4) is provided at the bottom of the atomizing box (3), and the atomizing box (3) is connected to an atomizing pipe (5); wherein the opening machine body (1) is provided with a water pipe (6) and an air pipe (7), and the water pipe (6) and the air pipe (7) are respectively connected to the atomizing pipe (5); The bottom of the atomizing box (3) is provided with an anti-blocking mechanism (8) for preventing the atomizing head (4) from being blocked, and the anti-blocking mechanism (8) is connected to the air pipe (7) via an air supply pipe (9).

2. The water mist device for an opening machine according to claim 1, characterized in that: A driving mechanism (10) is slidably arranged below the opening machine body (1), and the drill rod (2) is rotationally connected to the driving mechanism (10).

3. The water mist device for an opening machine according to claim 2, characterized in that: A first slide groove (11) is provided at the bottom of the opening machine body (1) along its length direction, a first slider (12) is slidably arranged in the first slide groove (11), and the driving mechanism (10) is located below the first slider (12) and is fixedly connected to the first slider (12); wherein a screw rod (13) is rotatably arranged in the first slide groove (11), the screw rod (13) passes through the first slider (12) and is threadedly connected to the first slider (12).

4. The water mist device for an opening machine according to claim 1, characterized in that: The water pipe (6) is provided with a first ball valve (14), the air pipe (7) is provided with a second ball valve (15), and the air delivery pipe (9) is provided with a third ball valve (16).

5. A water mist device for an opening machine according to any one of claims 1 to 4, characterized in that: The anti-blocking mechanism (8) comprises a protective shell (17) fixedly arranged at the bottom of the atomizing box (3), and a through hole (18) is provided at the bottom of the protective shell (17) corresponding to the position of the atomizing head (4); wherein the air supply pipe (9) is connected to the protective shell (17), and a blocking block (19) for blocking the through hole (18) is slidably arranged in the protective shell (17), and a groove is provided at the top of the blocking block (19), and a cleaning cotton (20) for cleaning the atomizing head (4) is arranged in the groove.

6. The water mist device for an opening machine according to claim 5, characterized in that: Two opposite inner walls of the protective shell (17) are provided with second sliding grooves (21) along their length direction, a second sliding block (22) is slidably connected in the second sliding groove (21), and the second sliding block (22) is fixedly connected to the blocking block (19).

7. The water mist device for an opening machine according to claim 6, characterized in that: The blocking block (19) is connected to the inner wall of the protective shell (17) via a spring rod (23), and a side wall of the protective shell (17) on which the spring rod (23) is provided is provided with an air outlet.

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