Boiler heating surface pipe seam slag cleaning tool

Abstract

The utility model relates to the technical field of power plant maintenance, in particular to a boiler heating surface pipe seam slag cleaning tool which comprises a cutting tool bit, a handle, a pin shaft and two anti-slip gaskets, the handle is fixedly connected to the rear end of the cutting tool bit, a shaft hole is formed in the cutting tool bit, the pin shaft is inserted into the shaft hole, and the two ends of the pin shaft extend out of the shaft hole. The two non-slip gaskets are arranged on the left side and the right side of the cutting tool bit respectively, each non-slip gasket is provided with a shaft hole II, and the shaft holes II of the two non-slip gaskets are connected to the two ends of the pin shaft extending out of the shaft holes respectively; according to the lever principle, the cleaning effect on boiler heating surface pipe seam slag is improved, and the labor intensity of boiler heating surface pipe seam slag is reduced; and the non-slip surface of the non-slip gasket is automatically consistent with a cleaned object, so that the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a power plant overhauling technical field, concretely is a kind of boiler heating surface pipe joint slag cleaning tool. BACKGROUND

[0002] After long-period operation, the gap between the tube panels of the convection heating surface of pulverized coal boiler in thermal power plant will form some slag bonding and contamination, especially when using strong coking coal or improper combustion adjustment, the tube panel contamination will be very serious, and the gap between the tube panels will be completely blocked by slag bonding, so that the whole heating surface tube panel becomes a plate structure, which seriously affects heat exchange. Traditionally, the cleaning is usually carried out by means of "breaking, prying and poking", which not only has low efficiency, but also cannot completely clean the accumulated slag, thereby affecting the heat exchange efficiency of the heating surface and flue gas. SUMMARY

[0003] The utility model discloses a kind of boiler heating surface pipe joint slag cleaning tools, solve the problem of traditional slag cleaning work, large labor intensity, cleaning effect is not good.

[0004] The utility model discloses a kind of boiler heating surface pipe joint slag cleaning tools, including cutting tool head, handle, pin shaft and non-slip gasket, handle is fixedly connected at the rear end of cutting tool head, shaft hole is equipped on cutting tool head, pin shaft is inserted in shaft hole, both ends of pin shaft are stretched out shaft hole, two non-slip gaskets are equipped, two non-slip gaskets are respectively arranged at the left and right sides of cutting tool head, shaft hole II is equipped on each non-slip gasket, the shaft hole II of two non-slip gaskets is respectively connected at the both ends of pin shaft stretched out shaft hole.

[0005] Further, the cutting tool head includes a straight section, an inclined section and an arc section, the inclined section is arranged at the front end of the straight section, the inclined section is inclined upward, the arc section is arranged at the front end of the inclined section, the handle is fixedly connected at the rear end of the straight section, and the shaft hole is arranged on the straight section.

[0006] Further, the end of the arc section away from the inclined section is a sharp corner.

[0007] Further, the top surfaces of the inclined section and the arc section are provided with V-shaped grooves, and the two sides of the top surface of the V-shaped groove form a blade edge.

[0008] Further, the front side wall of the non-slip gasket is a sawtooth surface, and the sawtooth surface faces the inclined section.

[0009] Further, one end of the pin shaft is provided with a boss, the outer diameter of the boss is greater than the inner diameter of the shaft hole II, the top of the boss is abutted on the outer wall of one non-slip gasket, the other end of the pin shaft is provided with a pin hole, a split pin is inserted in the pin hole, and the top of the split pin is abutted on the outer wall of the other non-slip gasket.

[0010] The utility model has the advantages that:

[0011] The utility model discloses utilize the principle of lever, with the fulcrum of antiskid washer, enlarge the force on cutting tool head on handle, thereby exert force on the pipe joint slag that needs to remove, remove the pipe joint slag, the oblique section and arc section can go into the inside of pipe joint, the setting and the blade of the top surface both sides of V-shaped groove 105 of sharp corner form all improved the cleaning effect to the pipe joint slag in pipe joint, the utility model discloses utilize the principle of lever, improved the cleaning effect to the pipe joint slag of boiler heating surface, reduced the labor intensity of pipe joint slag of boiler heating surface, the antiskid surface of antiskid washer and cleaning object automatically keep consistent, improve the operation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structural diagram of the utility model;

[0013] Figure 2 It is the A-A sectional view of the utility model Figure 1 ;

[0014] Figure 3 It is the structural diagram of cutting tool head of the utility model;

[0015] Figure 4 It is the B-B sectional view of the utility model Figure 3 ;

[0016] Figure 5 It is the structural diagram of pin shaft of the utility model;

[0017] Figure 6 It is the structural diagram of antiskid washer of the utility model

[0018] In the drawing: 1. cutting tool head;101. straight section;102. oblique section;103. arc section;104. shaft hole I;105. V-shaped groove;2. handle;3. pin shaft;301. boss;302. pin hole;4. antiskid washer;401. sawtooth surface;402. shaft hole II. DETAILED DESCRIPTION

[0019] As Figures 1-6 shown, the utility model discloses a kind of pipe joint slag cleaning tools of boiler heating surface, including cutting tool head 1, handle 2, pin shaft 3 and antiskid washer 4, handle 2 is fixedly connected at the rear end of cutting tool head 1, shaft hole 104 is equipped on cutting tool head 1, pin shaft 3 is inserted in shaft hole 104, pin shaft 3 both ends are stretched out shaft hole 104, antiskid washer 4 is equipped with two, two antiskid washers 4 are respectively arranged in the left and right sides of cutting tool head 1, shaft hole II 402 is equipped on each antiskid washer 4, the shaft hole II 402 of two antiskid washers 4 is respectively connected in the both ends of pin shaft 3 stretched out shaft hole 104.

[0020] The utility model discloses utilize the lever principle, with the stoppage and slide washer 4 as the fulcrum, enlarge the force on the cutting tool head 1 on handle, thereby exert force on the pipe joint slag that needs to remove, remove the slag.

[0021] The cutting tool head 1 includes straight section 101, inclined section 102, arc section 103, the inclined section 102 is arranged at the front end of straight section 101, the inclined section 102 is inclined upwards, the arc section 103 is arranged at the front end of inclined section 102, handle 2 is fixedly connected at the rear end of straight section 101, shaft hole 104 is arranged on straight section 101.

[0022] The inclined section 102 and arc section 103 can be in-depth to the inside of pipe joint, and the specific thickness of inclined section 102 and arc section 103 can be determined according to the inherent gap of pipe joint, and the setting of inclined section 102 and arc section 103 improves the cleaning effect of slag in pipe joint.

[0023] The end of arc section 103 away from inclined section 102 is a sharp angle.

[0024] The setting of sharp angle improves the cleaning effect of slag in pipe joint.

[0025] Further, the top surface of inclined section 102 and arc section 103 is provided with V-shaped groove 105, and the top surface of V-shaped groove 105 forms a blade on both sides.

[0026] The top surface of V-shaped groove 105 forms a blade on both sides, thereby improving the cleaning effect of slag in pipe joint.

[0027] Further, the front side wall of stoppage and slide washer 4 is sawtooth surface 401, and sawtooth surface 401 faces inclined section 102.

[0028] According to the different positions of cleaning objects, such as horizontal, vertical or specific angle, shaft hole II 402 can be adaptively offset drilling, and sawtooth surface 401 and the supporting surface of cleaning object are kept consistent by gravity.

[0029] Further, one end of pin shaft 3 is provided with boss 301, the outer diameter of boss 301 is greater than the inner diameter of shaft hole II 402, boss 301 is top-connected on the outer wall of one stoppage and slide washer 4, the other end of pin shaft 3 is provided with pin hole 302, and split pin is inserted in pin hole 302, and the split pin is top-connected on the outer wall of another stoppage and slide washer 4.

[0030] This embodiment considers the disassembly and replacement of pin shaft 3 and stoppage and slide washer 4, so boss 301, pin hole 302 and split pin are arranged, if the disassembly and replacement of pin shaft 3 and stoppage and slide washer 4 are not considered, the two ends of pin shaft 3 can be welded with shaft hole II 402.

[0031] The utility model discloses a boiler heating surface pipe joint slag cleaning device, including the lever, the stop slip gasket 4, the cleaning object, the stop slip gasket 4 is installed on the lever, the lever is installed on the cleaning object, the lever is the lever principle, improves the cleaning effect to the boiler heating surface pipe joint slag, has reduced the labor intensity of the boiler heating surface pipe joint slag, the stop slip gasket 4 stop slip surface and the cleaning object automatic keeping consistent, improve the operation efficiency.

Claims

1. A boiler furnace tube sheet joint coking cleaning tool characterized by: The utility model relates to a cutting tool head (1), handle (2), pin shaft (3) and anti-skid washer (4) are included, handle (2) fixed connection is established at cutting tool head (1) rear end, and cutting tool head (1) is equipped with shaft hole (104), and pin shaft (3) is inserted in shaft hole (104), and pin shaft (3) both ends all stretch out shaft hole (104), and anti-skid washer (4) is equipped with two, and two anti-skid washers (4) are respectively arranged in the left and right sides of cutting tool head (1), and every anti-skid washer (4) is equipped with shaft hole II (402), and the shaft hole II (402) of two anti-skid washers (4) is connected respectively in the both ends of pin shaft (3) that stretches out shaft hole (104).

2. A boiler furnace tube crevice coking cleaning tool as claimed in claim 1, wherein: The cutting tool head (1) includes a straight section (101), an inclined section (102) and an arc section (103), the inclined section (102) is arranged at the front end of the straight section (101), the inclined section (102) is inclined upward, the arc section (103) is arranged at the front end of the inclined section (102), the handle (2) is fixedly connected at the rear end of the straight section (101), and the shaft hole (104) is arranged on the straight section (101).

3. A boiler furnace tube crevice coking cleaning tool as claimed in claim 2, wherein: The end of the arc section (103) away from the inclined section (102) is a sharp corner.

4. A boiler bank tube crevice coking cleaning tool as claimed in claim 3, wherein: The top surface of the inclined section (102) and the arc section (103) is provided with a V-shaped groove (105), and the two sides of the top surface of the V-shaped groove (105) form a blade edge.

5. A boiler furnace tube crevice coking cleaning tool according to any one of claims 1 to 4, characterized in that: The front side wall of the anti-skid washer (4) is a sawtooth surface (401), and the sawtooth surface (401) faces the inclined section (102).

6. A boiler furnace tube crevice coking cleaning tool according to any one of claims 1 to 4, characterized in that: One end of the pin shaft (3) is provided with a boss (301), the outer diameter of the boss (301) is greater than the inner diameter of the shaft hole II (402), the boss (301) is in abutment with the outer wall of one anti-skid washer (4), the other end of the pin shaft (3) is provided with a pin hole (302), the pin hole (302) is inserted with a split pin, and the split pin is in abutment with the outer wall of the other anti-skid washer (4).

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