Boiler ash removal device for lead smelting

Abstract

The utility model discloses a boiler ash cleaning device for lead smelting, which comprises an L-shaped hollow fixed arm, one end of the fixed arm extends into a boiler body, and the other end of the fixed arm is externally connected with a fan; one end of the adjusting cylinder is rotationally connected into the fixed arm; one end of the dust suction cylinder is telescopically connected into the adjusting cylinder, and an air inlet is formed in the other end of the dust suction cylinder and is in a horn shape. According to the utility model, through the air inlet with the adjustable extension length and the adjustable inclination angle, ash suction operation of a larger area in the furnace body can be covered, dead angles and omission at the farther end in the furnace body are avoided, and the ash suction effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of metal smelting, and particularly relates to a boiler ash removal device for lead smelting. BACKGROUND

[0002] Lead smelting is a key link for converting lead ore into lead metal, mainly including two categories of processes, i.e., pyrometallurgical lead smelting and hydrometallurgical lead smelting, wherein the pyrometallurgical lead smelting is the most widely used lead smelting method at present, lead concentrate is added into a furnace together with coke and flux after sintering to produce crude lead and high-lead slag.

[0003] A large amount of waste gas, waste water and waste slag are generated in the lead smelting process, and main pollutants include SO2, NO x and dust. In the prior art, a bag-type dust collector is a widely used environmental protection equipment, which is suitable for treating high-temperature, high-humidity and high-corrosion flue gas generated in lead smelting. However, the dust collection port of the bag-type dust collector is located on one side of the furnace body, and is relatively far away from the other side of the furnace body. Therefore, only dust collection by the self-provided wind power device can result in poor collection effect of the furnace ash far away from the dust collection port, and is not suitable for large furnace bodies, and there is room for technical improvement. SUMMARY

[0004] The utility model solves the above-mentioned technical problem that the existing dust removal device has limitations in collecting furnace ash, and provides a boiler ash removal device for lead smelting.

[0005] To solve the above technical problems, the utility model provides a technical scheme that a boiler ash removal device for lead smelting comprises an L-shaped internal hollow fixed arm, a fixed plate is arranged on the outer side of the fixed arm close to the middle end, and the fixed plate is detachably fixed to the outer side of the furnace body, one end of the fixed arm extends into the furnace body, and the other end is connected with an external fan.

[0006] An adjusting cylinder is further arranged.

[0007] An ash suction cylinder is further arranged.

[0008] Further, a cut-off valve is arranged between the fixed arm and the external fan.

[0009] Further, one end of the adjusting cylinder extending into the fixed arm is in a horn shape.

[0010] Further, a containing groove is arranged on the inner side of the fixed arm, bearings are arranged in the containing groove and close to both ends, the outer side of the adjusting cylinder is connected with the bearings, a bevel gear is arranged on the outer side of the adjusting cylinder, a motor is arranged on the fixed arm, the output end of the motor extends into the fixed arm and is provided with a second bevel gear capable of meshing with the bevel gear.

[0011] Further, the adjusting cylinder is externally provided with a fixing ring one, the ash suction cylinder is externally provided with a fixing ring two, and an electric push rod is connected between the fixing ring two and the fixing ring one.

[0012] Further, a through slot capable of accommodating the fixing arm is arranged on the furnace body, and a steel plate is detachably arranged on the through slot when not in use.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] Through the air inlet with adjustable extension length and adjustable inclination angle, the ash suction operation can cover a larger area in the furnace body, the dead angle and omission at the far end in the furnace body are avoided, the ash suction effect is better, the floating ash can be sucked when the air inlet is adjusted to be upward, the air inlet can be detached when not in use, and the lead smelting operation of the furnace body is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the utility model.

[0016] Figure 2 It is the structural schematic diagram of the adjusting cylinder and the ash suction cylinder of the utility model.

[0017] Figure 3 It is the structural schematic diagram of the fixing arm of the utility model.

[0018] Figure 4 It is the structural schematic diagram of the ash suction cylinder of the utility model.

[0019] As shown in the drawings: 1, the fixed arm, 2, the fixed plate, 3, the flow valve, 4, the adjusting cylinder, 5, the ash suction cylinder, 6, the air inlet, 7, the accommodating groove, 8, the bearing, 9, the bevel gear, 10, the motor, 11, the bevel gear two, 12, the fixing ring one, 13, the fixing ring two, 14, the electric push rod. DETAILED DESCRIPTION

[0020] The utility model will be further explained in detail in combination with the drawings.

[0021] Example one, in combination with the drawings Figure 1 A lead smelting boiler ash removal device, including the inside hollow fixed arm 1 of L shape, the fixed arm 1 one end extends into the furnace body, the other end is connected with the fan, and the fixed arm 1 is provided with the flow valve 3 between the external fan, through the external fan, the flow valve 3 can close the fixed arm 1 after the external fan stops operation, to avoid residual furnace ash from falling;

[0022] In combination with the drawings Figure 1 , 3The fixed arm 1 is fixed outside the furnace body through the fixed plate 2, and the fixed plate 2 is arranged on the outer side of the fixed arm 1 close to the middle end; the furnace body is provided with a through slot capable of accommodating the fixed arm 1; a steel plate is detachably arranged on the through slot when not in use, so as to avoid affecting the lead smelting operation of the furnace body;

[0023] The drawings are combined Figure 1 , 2 , 3, further comprising an adjusting cylinder 4; one end of the adjusting cylinder 4 is rotationally connected to the fixed arm 1; the end of the adjusting cylinder 4 extending into the fixed arm 1 is in a trumpet shape, which enlarges the conduction area, reduces the gap between the inner wall of the fixed arm 1, reduces the entry of the furnace ash, and limits the position of the adjusting cylinder 4, so that the end of the adjusting cylinder 4 is limited at the corner of the fixed arm 1, avoiding the outward extrusion;

[0024] Specifically, the fixed arm 1 is provided with a containing groove 7 on the inner side, and a bearing 8 is arranged in the containing groove 7 close to both ends; the adjusting cylinder 4 is connected with the bearing 8 on the outer side; the adjusting cylinder 4 is provided with a bevel gear 9 on the outer side, and the fixed arm 1 is provided with a motor 10, the output end of the motor 10 extends into the fixed arm 1 and is provided with a bevel gear two 11 capable of meshing with the bevel gear 9; in the above structure, when the motor 10 drives the bevel gear 9 to rotate through the bevel gear two 11, the adjusting cylinder 4 and the ash suction cylinder 5 mentioned below can be adjusted to rotate, so as to adjust the angle of the air inlet 6, so that it can be upward, which is convenient for absorbing floating ash and side furnace ash;

[0025] The drawings are combined Figure 1 , 2 , 4, further comprising an ash suction cylinder 5; one end of the ash suction cylinder 5 is telescopically connected to the adjusting cylinder 4, and the other end is provided with an air inlet 6; the air inlet 6 is in a trumpet shape, which enlarges the ash inlet area;

[0026] Specifically, the adjusting cylinder 4 is provided with a fixed ring one 12 on the outer side, and the ash suction cylinder 5 is provided with a fixed ring two 13 on the outer side; the fixed ring two 13 and the fixed ring one 12 are connected and provided with an electric push rod 14, so that when the electric push rod 14 is operated, the position of the ash suction cylinder 5 and the air inlet 6 can be adjusted, which is convenient for sucking the furnace ash at the far end of the furnace body, can avoid the dead angle, reduce the residual furnace ash, and has good ash removal effect.

[0027] The above describes the present application and its implementation, which is not limited, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments of the technical solution can be designed, which should belong to the protection scope of the present application.

Claims

1. A boiler sootblower for lead smelting, characterized in that: The utility model provides a fixed arm (1) including L-shaped internal hollow, the fixed arm (1) is provided with fixed plate (2) outside near the middle end, and is detachably fixed on the outside of furnace body through fixed plate (2), and the fixed arm (1) extends into the furnace body in one end, and the other end is connected with the fan outside; Further comprising: Adjusting cylinder (4), one end of adjusting cylinder (4) is rotatably connected in fixed arm (1); Suction cylinder (5), one end of suction cylinder (5) is telescopically connected in adjusting cylinder (4), and the other end is provided with air inlet (6), and air inlet (6) is horn-shaped.

2. A sootblowing device for a lead smelting boiler according to claim 1, characterized in that The fixed arm (1) is provided with a stop valve (3) between the external fan.

3. A sootblowing device for lead smelting boilers according to claim 1, characterized in that: The adjusting cylinder (4) is horn-shaped in one end extending into the fixed arm (1).

4. The ash removal device for a lead smelting boiler according to claim 1, characterized in that: The inner side of the fixed arm (1) is provided with a receiving groove (7), and bearings (8) are arranged in the receiving groove (7) and close to both ends, and the outer side of the adjusting cylinder (4) is connected with the bearings (8); the outer side of the adjusting cylinder (4) is provided with a bevel gear (9), and the fixed arm (1) is provided with a motor (10), and the output end of the motor (10) extends into the fixed arm (1) and is provided with a bevel gear (11) capable of meshing with the bevel gear (9).

5. The ash removal device for a lead smelting boiler according to claim 2, characterized in that: The outer side of the adjusting cylinder (4) is provided with a fixed ring (12), and the outer side of the suction cylinder (5) is provided with a fixed ring (13), and the electric push rod (14) is connected between the fixed ring (13) and the fixed ring (12).

6. The ash removal device for a lead smelting boiler according to claim 1, characterized in that: A through slot capable of accommodating the fixed arm (1) is arranged on the furnace body, and a steel plate is detachably mounted on the through slot when not in use.

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