Efficient pipe drilling machine for removing scale by coating waste gas

Abstract

The utility model relates to the technical field of scale removal of cooling pipelines, and discloses an efficient pipe drilling machine for scale removal of coated waste gas, which comprises a square pipe drill rod, the length of the square pipe drill rod is more than 7m, a toothed drill bit is welded at one end of the square pipe drill rod, and a water outlet hole is arranged at the end of the square pipe drill rod close to the toothed drill bit. A rotary water injection head is mounted at the other end of the square pipe drill rod; the square pipe drill rod is installed on the low-speed rotating assembly, and an anti-twisting handle is installed on the low-speed rotating assembly. According to the efficient pipe drilling machine for removing dirt by coating waste gas, the length of the square pipe drilling rod is more than 7m, the square pipe drilling rod can reach the bottom without connecting the rod, only two persons are needed to cooperate to ensure that the square pipe drilling rod stably and straightly faces downwards, and the working efficiency is improved by 6-8 times through experimental verification.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling pipe descaling, in particular to a high-efficiency pipe drilling machine for coating waste gas descaling. Background Art

[0002] The hot exhaust gas generated during the production of coated abrasives must be cooled and condensed in exhaust gas treatment equipment to meet environmental protection requirements. The hot exhaust gas flows through the equipment pipes, and cold air blows outside the pipes, cooling and solidifying harmful substances such as tar in the exhaust gas. Depending on the production process, some of the exhaust gas flows as a tar-like liquid that is collected and processed, while others form scale on the inner walls of the pipes. Excessive scale in the pipes can clog the pipes, disrupting normal production.

[0003] The exhaust gas treatment equipment contains approximately 450 cooling pipes, each with an 85mm diameter and 6,000mm length. Removing scale from these pipes presents a daunting challenge. The most effective drilling rigs on the market are those used for drilling wells, but their use for pipe descaling presents certain drawbacks. Because the drill pipe is spliced ​​and extended in multiple sections, it can no longer be lowered as the depth increases, requiring the pipe threads to be loosened and replaced with a new pipe. Drilling a six-meter pipe requires multiple splices and extensions, and a five-person shift can only drill 20 pipes, which is time-consuming, labor-intensive, and inefficient. Utility Model Content

[0004] In order to improve the above problems, the utility model discloses a high-efficiency pipe drilling machine for coating exhaust gas scale removal, comprising:

[0005] Square tube drill pipe, the length of the square tube drill pipe is more than 7m, one end of the square tube drill pipe is welded with a toothed drill bit, the square tube drill pipe is provided with a water outlet near the toothed drill bit end, and the other end of the square tube drill pipe is installed with a rotating water injection head;

[0006] The low-speed rotating assembly is provided with a square tube drill rod, and an anti-twist handle is installed on the low-speed rotating assembly.

[0007] Preferably, a soft water pipe is connected to the rotating water injection head.

[0008] Preferably, the square tube drill rod is formed by precision welding of multiple square tubes with a model specification of 25×25 mm and a thickness of 2.5 mm.

[0009] Preferably, the low-speed rotation component includes:

[0010] The connecting plate, the bearing housing and the gear protection cover are respectively installed on the top and bottom ends of the connecting plate, and the two anti-twist handles are installed on the connecting plate in opposite directions;

[0011] A hollow rotating shaft is provided through which the square tube drill rod passes, the hollow rotating shaft passes through a bearing housing and is installed in a gear protection cover, and a bearing sleeved on the hollow rotating shaft is installed in the bearing housing;

[0012] The rotating gear and the driving gear are meshed and located in a gear protection cover, and the rotating gear is mounted on a hollow rotating shaft;

[0013] The reduction motor is installed on the connecting plate, the output shaft of the reduction motor extends into the gear protective cover, and the driving gear is installed on the output shaft of the reduction motor.

[0014] Preferably, a gap of 1 mm is left between the inner wall of the hollow rotating shaft and the square tube drill rod.

[0015] Preferably, a rod stabilizing sleeve is provided on the outer shell of the square tube drill rod, and the rod stabilizing sleeve is located above the hollow rotating shaft and connected to the hollow rotating shaft.

[0016] Preferably, a floor stand is installed at the bottom end of the gear protection cover.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] The utility model provides a high-efficiency pipe drilling machine for waste gas scale removal with coating. The length of the square tube drill rod is more than 7m. It can be drilled to the end in one go without connecting rods. The square tube drill rod is supported in a rod stabilizing sleeve. The top of the square tube drill rod is connected to a rotating water injection head and a soft water pipe. The water valve is opened, and flushing liquid is sent into the square tube drill rod from the soft water pipe and the rotating water injection head connected to the soft water pipe. The reduction motor installed on the connecting plate works, thereby driving the hollow rotating shaft to rotate through the rotating gear and the driving gear meshed in the gear protective cover. The hollow rotating shaft drives the square tube drill rod located therein to rotate. The rotation speed of the hollow rotating shaft is relatively slow. The worker can hold the square tube drill rod by hand to move downward, appropriately speeding up the drilling speed, and greatly improving the drilling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 It is a structural diagram of the present utility model.

[0021] In the figure: 1. Exhaust gas cooling pipe; 2. Coke scale; 3. Toothed drill bit; 4. Water outlet; 5. Square tube drill pipe; 6. Floor stand; 7. Gear guard; 8. Rotating gear; 9. Driving gear; 10. Anti-twist handle; 11. Connecting plate; 12. Bearing housing; 13. Bearing; 14. Hollow rotating shaft; 15. Reducer motor; 16. Stabilizer sleeve; 17. Soft water pipe; 18. Rotating water injection head. DETAILED DESCRIPTION

[0022] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0023] Example

[0024] The present invention will be further described below with reference to the accompanying drawings.

[0025] like Figure 1 As shown, this embodiment provides a high-efficiency pipe drilling machine for coating exhaust gas scale removal, comprising:

[0026] A square tube drill rod 5, the length of which is more than 7m, a toothed drill bit 3 is welded to one end of the square tube drill rod 5, a water outlet 4 is provided near the end of the toothed drill bit 3, and a rotary water injection head 18 is installed at the other end of the square tube drill rod 5;

[0027] The low-speed rotating assembly is provided with a square tube drill rod 5 mounted on the low-speed rotating assembly, and an anti-twist handle 10 is mounted on the low-speed rotating assembly.

[0028] The working principle and beneficial effects of the above technical solution are:

[0029] The utility model discloses a high-efficiency pipe drilling machine for coating waste gas scale removal. A square tube drill rod 5 is provided with a toothed drill bit 3, the end of which extends into the waste gas cooling pipe 1. A low-speed rotation component drives the square tube drill rod 5 to rotate at a low speed. A rotating water injection head 18 injects flushing liquid into the square tube drill rod 5. When the square tube drill rod 5 rotates at a low speed, the toothed drill bit 3 rotates at a low speed to complete the removal of the focus scale 2. The flushing liquid cools the toothed drill bit 3 while flushing away the scale debris and lumps, allowing the square tube drill rod 5 to continue to operate smoothly. The utility model provides a high-efficiency pipe drilling machine for coating waste gas scale removal. The square tube drill rod 5 is longer than 7 meters and can be drilled straight to the bottom without the need for connecting rods. Only two people are required to work together to ensure that the square tube drill rod 5 is stable and straight downward. Experimental verification shows that the work efficiency is improved by 6 to 8 times.

[0030] In one embodiment, a soft water pipe 17 is connected to the rotating water injection head 18 .

[0031] The working principle and beneficial effects of the above technical solution are:

[0032] When the water valve is opened, flushing fluid is fed into the square tube drill pipe 5 through the soft water pipe 17 and the rotating water injection head 18 connected to the soft water pipe 17. The other end of the square tube drill pipe 5 can be welded with a pipe thread head to facilitate a tight connection with the rotating water injection head 18. The rotating water injection head 18 has a built-in sealing structure to ensure that the soft water pipe 17 is connected firmly and the water flow is leak-free. The rotating water injection head 18 can be a 360° water pipe swivel joint.

[0033] In one embodiment, the square tube drill rod 5 is formed by precision welding of multiple square tubes with a size of 25×25 mm and a thickness of 2.5 mm.

[0034] In one embodiment, the low speed rotation assembly comprises:

[0035] The connecting plate 11, the bearing housing 12 and the gear protection cover 7 are respectively installed on the top and bottom ends of the connecting plate 11, and the two anti-twist handles 10 are installed on the connecting plate 11 in opposite directions;

[0036] A hollow rotating shaft 14 is provided through the square tube drill rod 5, and the hollow rotating shaft 14 is provided through the bearing housing 12 and is installed in the gear protection cover 7, and a bearing 13 sleeved on the hollow rotating shaft 14 is installed in the bearing housing 12;

[0037] The rotating gear 8 and the driving gear 9 are meshed and located in the gear protection cover 7. The rotating gear 8 is mounted on the hollow rotating shaft 14.

[0038] The reduction motor 15 is mounted on the connecting plate 11 , the output shaft of the reduction motor 15 extends into the gear protection cover 7 , and the driving gear 9 is mounted on the output shaft of the reduction motor 15 .

[0039] The working principle and beneficial effects of the above technical solution are:

[0040] A reduction motor 15 mounted on the connecting plate 11 operates, thereby driving the hollow rotating shaft 14 through the meshing rotating gear 8 and driving gear 9 located within the gear shield 7. The hollow rotating shaft 14 then drives the square tube drill rod 5 located therein. The hollow rotating shaft 14 rotates at a relatively slow speed, allowing workers to grasp the square tube drill rod 5 and move it downward, appropriately accelerating the drilling speed and greatly improving drilling efficiency. Two anti-twist handles 10 are designed on either side of the connecting plate 11 to ensure that the square tube drill rod 5 rotates straight downward.

[0041] In one embodiment, a gap of 1 mm is left between the inner wall of the hollow rotating shaft 14 and the square tube drill rod 5 .

[0042] The working principle and beneficial effects of the above technical solution are:

[0043] The size of the central square hole of the hollow rotating shaft 14 is 26×26 mm, and the square tube drill rod 5 is passed through the central square hole of the hollow rotating shaft 14. Because there is a 1 mm gap between the inner wall of the hollow rotating shaft 14 and the square tube drill rod 5, when the hollow rotating shaft 14 drives the square tube drill rod 5 located therein to rotate, because the two are in a clearance fit, it is convenient for workers to hold the square tube drill rod 5 with their hands and move downward, appropriately speeding up the drilling speed and greatly improving the drilling efficiency.

[0044] In one embodiment, a rod stabilizing sleeve 16 is provided on the outer surface of the square tube drill rod 5 . The rod stabilizing sleeve 16 is located above the hollow rotating shaft 14 and is connected to the hollow rotating shaft 14 .

[0045] The beneficial effects of the above technical solution are:

[0046] The provision of the rod stabilizing sleeve 16 improves the stability of the drill pipe 5 .

[0047] In one embodiment, a floor stand 6 is installed at the bottom end of the gear protection cover 7 .

[0048] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A high-efficiency pipe drilling machine for coating waste gas cleaning, characterized in that: include: A square tube drill rod (5) having a length of more than 7 m, a toothed drill bit (3) welded to one end of the square tube drill rod (5), a water outlet hole (4) provided near the toothed drill bit (3) at the end of the square tube drill rod (5), and a rotary water injection head (18) installed at the other end of the square tube drill rod (5); A low-speed rotating assembly is provided, on which the square tube drill rod (5) is mounted, and an anti-twist handle (10) is mounted.

2. The high-efficiency pipe drilling machine for coating waste gas cleaning according to claim 1 is characterized in that: The rotating water injection head (18) is connected with a soft water pipe (17).

3. The high-efficiency pipe drilling machine for coating waste gas cleaning according to claim 1 is characterized in that: The square tube drill rod (5) is formed by precision welding of a plurality of square tubes with a model specification of 25×25 mm and a thickness of 2.5 mm.

4. The high-efficiency pipe drilling machine for coating waste gas cleaning according to claim 1 is characterized in that: The low-speed rotation component comprises: a connecting plate (11), a hollow rotating shaft (14), a rotating gear (8), a driving gear (9), a reduction motor (15), a bearing housing (12) and a gear protection cover (7) respectively mounted on the top and bottom ends of the connecting plate (11), two anti-twist handles (10) are mounted on the connecting plate (11) in opposite directions, a square tube drill rod (5) is passed through the hollow rotating shaft (14), the hollow rotating shaft (14) is passed through the bearing housing (12) and is mounted on the gear A bearing (13) sleeved on a hollow rotating shaft (14) is installed in a bearing housing (12) in the protective cover (7). A meshing rotating gear (8) and a driving gear (9) are located in the gear protective cover (7). The rotating gear (8) is installed on the hollow rotating shaft (14). A reduction motor (15) is installed on the connecting plate (11). The output shaft of the reduction motor (15) extends into the gear protective cover (7). The driving gear (9) is installed on the output shaft of the reduction motor (15).

5. The high-efficiency pipe drilling machine for coating waste gas cleaning according to claim 4 is characterized in that: A gap of 1 mm is left between the inner wall of the hollow rotating shaft (14) and the square tube drill rod (5).

6. The high-efficiency pipe drilling machine for coating waste gas cleaning according to claim 4 is characterized in that: The outer shell of the square tube drill rod (5) is provided with a rod stabilizing sleeve (16), which is located above the hollow rotating shaft (14) and is connected to the hollow rotating shaft (14).

7. The high-efficiency pipe drilling machine for coating waste gas cleaning according to claim 4 is characterized in that: The bottom end of the gear protection cover (7) is provided with a floor support (6).

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