CN217451395U - High-temperature smoke dust collecting device - Google Patents

Abstract

The utility model relates to a technical field is collected to the smoke and dust, specifically is a high temperature smoke and dust collection device. The utility model provides a high-temperature smoke dust collecting device for solving the problem of the defects of the existing high-temperature smoke dust collecting device, which comprises a vertical column, a horizontal connecting pipe, a gas collecting hood, a fan, a motor, a speed reducer and a shaft coupling, the transmission shaft, the driving gear, driven gear, the bottom plate, external connection pipe, the output shaft of reduction gear passes through the lower extreme fixed connection of shaft coupling and transmission shaft, the inherent driving gear of upper end overcoat of transmission shaft, driven gear rotates to be connected in a partial upper portion of bottom plate and its axial and bottom plate vertical arrangement, driven gear meshes with the driving gear mutually, the bottom side of the periphery of the axial one end tip of horizontal connecting pipe and the fixed intercommunication of gas collecting channel, the bottom side of the periphery of the axial other end tip of horizontal connecting pipe and driven gear's top surface fixed connection, the device security is high, the operation of being convenient for.

Description

High-temperature smoke dust collecting device

Technical Field

The utility model relates to a technical field is collected to the smoke and dust, specifically is a high temperature smoke and dust collection device.

Background

With the environmental protection situation becoming more and more severe in recent years, various industries carry out targeted environmental protection treatment aiming at the characteristics and pollution characteristics of the respective industries. The smelting process in the casting industry can generate a large amount of high-temperature metal oxide smoke dust, adverse effects are caused to the physical health of workers and the atmospheric environment, environmental protection treatment on the working condition is required to be enhanced from the aspects of occupational health and environmental protection treatment, and how to collect the high-temperature explosion smoke dust under the working condition is one of the main problems to be solved.

The existing high-temperature smoke dust collecting device is mainly divided into two types, namely a fixed gas-collecting hood fixed above a smelting furnace and a gas-collecting hood capable of turning around a furnace mouth. Although the fixed gas-collecting hood meets the smoke dust collecting requirement, the fixed gas-collecting hood has great influence on the field operation environment, particularly in the charging process of a large-scale smelting furnace, the weight of a workpiece is heavy, a crane is often required to be operated in a matching way, and the collision danger between the crane and the gas-collecting hood is easy to occur. The gas collecting hood which can turn over around the furnace mouth has higher mechanization degree, strict requirements on field operation space, needs to be matched with an automatic feeding device, has heavier economic burden on some small and medium-sized enterprises, and is not beneficial to market promotion.

Disclosure of Invention

The utility model discloses a solve the problem that current high temperature smoke and dust collection device has above-mentioned defect, the event provides a novel high temperature smoke and dust collection device.

The utility model discloses an adopt following technical scheme to realize:

a high-temperature smoke dust collecting device comprises a vertical column, a horizontal connecting pipe, a gas collecting hood positioned at the upper part of a smelting furnace, a fan, a motor horizontally arranged, a speed reducer, a coupler, a transmission shaft vertically arranged, a driving gear, a driven gear, a lower supporting plate and an external connecting pipe, wherein one end of the external connecting pipe is connected with the fan, the motor is positioned at the side surface of the vertical column, the speed reducer is a worm and gear speed reducer, a rotating shaft of the motor is fixedly connected with an input shaft of the speed reducer, an output shaft of the speed reducer is fixedly connected with the lower end of the transmission shaft through the coupler, an inherent driving gear is sleeved outside the upper end of the transmission shaft, an inherent transmission bearing is sleeved outside the middle end of the transmission shaft, an inherent transmission shaft sleeve is sleeved outside the transmission bearing, a vertical gap in the vertical direction is arranged between the transmission shaft sleeve and the driving gear, the lower surface of one part of the lower supporting plate is fixedly connected with the top end surface of the vertical column, and the other part of the lower supporting plate is provided with a positioning hole matched with the transmission shaft sleeve, the bottom plate is fixedly connected with the transmission shaft sleeve, the driven gear is rotatably connected to one part of the upper portion of the bottom plate, the axial direction of the driven gear is perpendicular to the bottom plate, the driven gear is meshed with the driving gear, the bottom side of the circumferential surface of one axial end of the horizontal connecting pipe is fixedly communicated with the gas collecting hood, the bottom side of the circumferential surface of the other axial end of the horizontal connecting pipe is fixedly connected with the top surface of the driven gear, a connecting pipe orifice is arranged on the top side of the circumferential surface of one axial end of the horizontal connecting pipe, the diameter of the connecting pipe orifice is smaller than that of the external connecting pipe, and the connecting pipe orifice is inserted into the other end of the external connecting pipe in a virtual insertion mode to achieve the rotating connection and the penetration of the connecting pipe orifice and the external connecting pipe.

The working principle is as follows: when the vertical column is used, the vertical column is fixed at a certain position, when the material needs to be fed into the smelting furnace, a worker starts a motor (common general knowledge of the skilled worker in the field, the motors are all provided with starting and stopping functions), the motor rotates, an output shaft of a speed reducer rotates and drives a transmission shaft to rotate, then a driving gear rotates, a driven gear rotates, a horizontal connecting pipe rotates and a gas collecting hood rotates, after the driving gear rotates to a proper position, the worker stops the motor, the crane is used for matched material feeding, after the material feeding is completed, the motor is started, so that when the gas collecting hood rotates to be right above the smelting furnace, the motor stops operating, and the smoke gas starts to be collected.

Further, the axle sleeve upper end is equipped with bearing cover, be equipped with the vertical clearance of vertical direction between bearing cover and the driving gear, be equipped with the upper plate between bottom plate and the driven gear, be equipped with the hole with bearing cover looks adaptation on the partly of upper plate, partly and the driving shaft sleeve fixed connection of upper plate, another part and the bottom plate fixed connection of upper plate, be equipped with down between driven gear and the upper plate and connect the barrel, the fixed gear bearing of driven gear inner circle endotheca, the upper portion cover of lower connection barrel is admittedly in gear bearing's inner circle, the lower part and the upper plate fixed connection of lower connection barrel, the structure standardization, concretize, such structure also makes the structure of whole device more stable simultaneously.

Furthermore, a position of the upper supporting plate, which is close to a nearby structure, is provided with a limiter for limiting the rotation angle of the gas collecting hood, so that the gas collecting hood is prevented from colliding with the nearby structure during rotation. If no limiter is provided, the gas collecting hood rotates for 360 degrees, and at the moment, the site for installing the device is required to be provided with no other structures at any position of the gas collecting hood, so that the gas collecting hood cannot collide with nearby structures in the rotating process, the requirement on the installation site is high, and the limiter is arranged at the position, close to the nearby structures, of the upper supporting plate, even if the position of the nearby structures is intersected with the rotating position of the gas collecting hood, the gas collecting hood cannot collide with the nearby structures, when the gas collecting hood rotates to the position close to the nearby structures, the limiter is triggered to act, the motor stops rotating, and when the motor is started again, the motor rotates in the opposite direction (the controls belong to the existing control methods), so that the gas collecting hood is prevented from colliding with the nearby structures in the rotating process.

Furthermore, the gas collecting hood comprises a hollow circular truncated cone-shaped cylinder body (with good circulation according to fluid mechanics design) with a wide bottom and a narrow top, the bottom of the cylinder body is fixedly connected with a # -shaped support, the bottom of the # -shaped support is fixedly connected with a circular baffle which is coaxially arranged with the cylinder body, the diameter of the baffle is smaller than that of the bottom of the cylinder body, so that a radial gap is formed between the edge of the bottom of the cylinder body and the edge of the baffle, and the radial gap is larger than 10mm and smaller than 100 mm. Radial gap is 50mm, and this structure can effectively block that high temperature smoke and dust directly gets into in the barrel, runs into the baffle when high temperature smoke and dust at the in-process that rises and changes the flow direction and take place the diffusion, reduces kinetic energy for some large granules fall, and the granule temperature reduces, has effectively reduced the high temperature dust and has got into the barrel.

The utility model discloses produced beneficial effect as follows: 1) the safety is high. The gas collecting channel is internally provided with the baffle, so that high-temperature large-particle smoke can be effectively prevented from directly entering the cylinder body, and dangers such as fire disasters of subsequent purification equipment are caused. The motor drive, the manual work is not direct and is in contact with the device, avoids dangers such as high temperature scald. The limiting device realizes the limiting function and avoids colliding with nearby structures; 2) the operation is convenient. The manual operation process can be reduced in the form of motor driving, and the rotating operation is carried out by switching on and off the motor.

Drawings

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

FIG. 2 is a schematic view of a portion of the structure at A in FIG. 1;

fig. 3 is a bottom view of the gas collection hoods.

In the figure: the device comprises a vertical column 1, a horizontal connecting pipe 2, a gas collecting hood 3, a connecting pipe orifice 4, a motor 5, a speed reducer 6, a first fixed coupling 7, a universal coupling 8, a second fixed coupling 9, a transmission shaft 10, a driving gear 11, a driven gear 12, a lower support plate 13, a support plate 14, an upper support plate 15, a bearing gland 16, a rib plate 17, a transmission shaft sleeve 18, a transmission bearing 19, a lower connecting cylinder 20, an upper connecting cylinder 21, a radial gap 22, a baffle 23, a # -shaped support 24 and a pressure relief hole 25.

Detailed Description

A high-temperature smoke dust collecting device comprises a vertical column 1, a horizontal connecting pipe 2, a gas collecting hood 3 positioned at the upper part of a smelting furnace, a fan, a motor 5 horizontally arranged, a speed reducer 6, a coupler, a transmission shaft 10 vertically arranged, a driving gear 11, a driven gear 12, a lower supporting plate 13 and an external connecting pipe with one end connected with the fan, wherein the motor 5 is positioned at the side surface of the vertical column 1, the speed reducer 6 is a worm and gear speed reducer 6, a rotating shaft of the motor 5 is fixedly connected with an input shaft of the speed reducer 6, an output shaft of the speed reducer 6 is fixedly connected with the lower end of the transmission shaft 10 through the coupler, the upper end of the transmission shaft 10 is externally sleeved with an inherent driving gear 11, the middle end of the transmission shaft 10 is externally sleeved with an inherent transmission bearing 19, the transmission bearing 19 is externally sleeved with an inherent transmission shaft sleeve 18, a vertical gap is arranged between the transmission shaft sleeve 18 and the driving gear 11, and the lower surface of one part of the lower supporting plate 13 is fixedly connected with the top end surface of the vertical column 1, the other part of the lower supporting plate 13 is provided with a positioning hole matched with the transmission shaft sleeve 18, the lower supporting plate 13 is fixedly connected with the transmission shaft sleeve 18, the driven gear 12 is rotatably connected to the upper part of one part of the lower supporting plate 13 and is axially and vertically arranged with the lower supporting plate 13, the driven gear 12 is meshed with the driving gear 11, the bottom side of the circumferential surface of one axial end part of the horizontal connecting pipe 2 is fixedly communicated with the gas collecting hood 3, the bottom side of the circumferential surface of the other axial end part of the horizontal connecting pipe 2 is fixedly connected with the top surface of the driven gear 12, the top side of the circumferential surface of one axial end part of the horizontal connecting pipe 2 is provided with a connecting pipe orifice 4, the diameter of the connecting pipe orifice 4 is smaller than that of the external connecting pipe, and the connecting pipe orifice 4 is in socket joint with the other end of the external connecting pipe in a virtual mode to realize the rotary connection and the penetration of the connecting pipe orifice 4 and the external connecting pipe.

The working principle is as follows: when the vertical column is used, the vertical column 1 is fixed at a certain position, when the material needs to be fed into the smelting furnace, a worker starts the motor 5 (common general knowledge of the workers in the field: the motors 5 are all provided with starting and stopping functions), the motor 5 rotates, an output shaft of the speed reducer 6 rotates and drives the transmission shaft 10 to rotate, then the driving gear 11 rotates, the driven gear 12 rotates, the horizontal connecting pipe 2 rotates and the gas collecting hood 3 rotates, after the driving gear rotates to a proper position, the worker stops the motor 5, the material is fed by matching with a crane, after the material feeding is completed, the motor 5 is started, so that when the gas collecting hood 3 rotates to a position right above the smelting furnace, the motor 5 stops running, and the smoke gas collection starts.

During the concrete implementation, the axle sleeve upper end is equipped with bearing cover 16, be equipped with the vertical clearance of vertical direction between bearing cover 16 and the driving gear 11, be equipped with layer board 15 between bottom plate 13 and the driven gear 12, be equipped with the hole with bearing cover 16 looks adaptation on the part of layer board 15, the part and the transmission axle sleeve 18 fixed connection of layer board 15, another part and the bottom plate 13 fixed connection of layer board 15, be equipped with down between driven gear 12 and the layer board 15 and connect barrel 20, the inherent gear bearing of driven gear 12 inner circle endotheca, the upper portion cover of connecting barrel 20 is admittedly in gear bearing's inner circle down, the lower part and the layer board 15 fixed connection of connecting barrel 20 down, the structure is normalized, concretize, such structure also makes the structure of whole device more stable simultaneously.

In specific implementation, a position of the upper supporting plate 15 close to a nearby structure is provided with a limiter for limiting the rotation angle of the gas collecting hood 3, so that collision between the gas collecting hood 3 and the nearby structure during rotation is avoided. If no limiter is provided, the gas collecting hood rotates for 360 degrees, and at this time, the site where the device is installed is required to have no other structures at any rotating position of the gas collecting hood 3, so that the gas collecting hood 3 does not collide with nearby structures in the rotating process, and the requirement on the installation site is high, and the limiter is installed at the position, close to the nearby structures, of the upper supporting plate 15, and even if the position, where the nearby structures are located, is intersected with the rotating position of the gas collecting hood 3, the gas collecting hood 3 does not collide with the nearby structures, when the gas collecting hood 3 rotates to the position, close to the nearby structures, the limiter is triggered to act, the motor 5 stops rotating, and when the motor 5 is restarted, the motor 5 rotates in the opposite direction (the controls belong to the existing control methods), so that the gas collecting hood 3 is prevented from colliding with the nearby structures during rotation.

During specific implementation, the gas collecting hood 3 comprises a hollow circular truncated cone-shaped cylinder body (designed according to hydromechanics and having good circulation performance) with a wide bottom and a narrow top, the bottom of the cylinder body is fixedly connected with a # -shaped support 24, the bottom of the # -shaped support 24 is fixedly connected with a circular baffle 23 which is coaxially arranged with the cylinder body, the diameter of the baffle 23 is smaller than that of the bottom of the cylinder body, so that a radial gap 22 is formed between the edge of the bottom of the cylinder body and the edge of the baffle 23, and the radial gap 22 is larger than 10mm and smaller than 100 mm. Radial gap 22 is 50mm, and this structure can effectively block that high temperature smoke and dust directly gets into in the barrel, runs into baffle 23 and changes the flow direction and take place the diffusion when high temperature smoke and dust rising in-process for some large granules fall, and the granule temperature reduces, has effectively reduced the high temperature dust and has got into the barrel. Meanwhile, the baffle 23 is provided with a plurality of circular pressure relief holes 25 with the diameter of 10mm, so that the weight of the baffle 23 can be reduced, a certain pressure relief effect can be achieved, and the flow resistance of smoke dust is reduced.

In specific implementation, an upper connecting cylinder 21 is arranged between the driven gear 12 and the horizontal connecting pipe 2, the upper end surface of the upper connecting cylinder 21 is fixedly connected with the bottom side of the circumferential surface of the other axial end part of the horizontal connecting pipe 2, the lower end surface of the upper connecting cylinder 21 is fixedly connected with the top surface of the driven gear 12, and the structure is specific.

In this specific embodiment, the number of the couplings is three, and the output shaft of the speed reducer 6 and the lower end of the transmission shaft 10 are fixedly connected sequentially through the first fixed coupling 7, the universal coupling 8 and the second fixed coupling 9, so that the speed reducer is convenient to adapt to the condition that the output shafts of the transmission shaft 10 and the speed reducer 6 are not coaxial. In specific implementation, the device further comprises a supporting plate 14 for supporting the motor 5 and the speed reducer 6, the supporting plate 14 is fixed on the circumferential surface of the upper part of the upright post 1 and is arranged perpendicular to the axial direction of the upright post 1, a rib plate 17 is arranged between the lower surface of the supporting plate 14 and the upright post 1, and the motor 5 and the speed reducer 6 can be placed on the ground, but the space in a workshop is occupied, so that the whole device is more compact by fixing the motor 5 and the speed reducer 6 on the upright post 1 through the supporting plate 14. The cross section of the horizontal connecting pipe 2 is square, reinforcing ribs are arranged inside the horizontal connecting pipe, the horizontal connecting pipe is high in strength, the whole weight of the front-end gas collecting hood 3 can be borne, and the stability of the whole device is guaranteed. The corner of the inner cavity at the end part of the other end of the horizontal connecting pipe 2 is provided with a flow baffle plate, so that the resistance of smoke dust passing through the connecting pipe opening 4 is small.

Claims (10)

1. A high-temperature smoke dust collecting device is characterized by comprising a vertical column (1) which is vertically arranged, a horizontal connecting pipe (2), a gas collecting hood (3) which is positioned at the upper part of a smelting furnace, a fan, a motor (5) which is horizontally arranged, a speed reducer (6), a coupler, a transmission shaft (10) which is vertically arranged, a driving gear (11), a driven gear (12), a lower supporting plate (13) and an external connecting pipe of which one end is connected with the fan, wherein the motor (5) is positioned at the side surface of the vertical column (1), the speed reducer (6) is a worm gear speed reducer (6), a rotating shaft of the motor (5) is fixedly connected with an input shaft of the speed reducer (6), an output shaft of the speed reducer (6) is fixedly connected with the lower end of the transmission shaft (10) through the coupler, an inherent driving gear (11) is sleeved outside the upper end of the transmission shaft (10), and an inherent transmission bearing (19) is sleeved outside the middle end of the transmission shaft (10), a transmission shaft sleeve (18) is sleeved outside a transmission bearing (19), a vertical gap in the vertical direction is arranged between the transmission shaft sleeve (18) and a driving gear (11), the lower surface of one part of a lower supporting plate (13) is fixedly connected to the top end face of the upright post (1), a positioning hole matched with the transmission shaft sleeve (18) is formed in the other part of the lower supporting plate (13), the lower supporting plate (13) is fixedly connected with the transmission shaft sleeve (18), a driven gear (12) is rotatably connected to the upper part of one part of the lower supporting plate (13) and is vertically arranged with the lower supporting plate (13) in the axial direction, the driven gear (12) is meshed with the driving gear (11), the bottom side of the circumferential face of one axial end part of a horizontal connecting pipe (2) is fixedly communicated with a gas collecting hood (3), and the bottom side of the circumferential face of the other axial end part of the horizontal connecting pipe (2) is fixedly connected with the top face of the driven gear (12), the top side of the circumferential surface of the end part of one axial end of the horizontal connecting pipe (2) is provided with a connecting pipe orifice (4), the diameter of the connecting pipe orifice (4) is smaller than that of the external connecting pipe, and the socket joint of the connecting pipe orifice (4) is virtually connected with the other end of the external connecting pipe to realize the rotation connection and the penetration of the connecting pipe orifice (4) and the external connecting pipe.

2. The high-temperature smoke dust collecting device according to claim 1, wherein a bearing gland (16) is arranged at the upper end of the shaft sleeve, a vertical gap in the vertical direction is arranged between the bearing gland (16) and the driving gear (11), an upper supporting plate (15) is arranged between the lower supporting plate (13) and the driven gear (12), a hole matched with the bearing gland (16) is formed in one part of the upper supporting plate (15), one part of the upper supporting plate (15) is fixedly connected with the transmission shaft sleeve (18), the other part of the upper supporting plate (15) is fixedly connected with the lower supporting plate (13), a lower connecting cylinder (20) is arranged between the driven gear (12) and the upper supporting plate (15), an inherent gear bearing is sleeved in the inner ring of the driven gear (12), the upper part of the lower connecting cylinder (20) is fixedly sleeved in the inner ring of the gear bearing, and the lower part of the lower connecting cylinder (20) is fixedly connected with the upper supporting plate (15).

3. A high temperature smoke dust collecting device according to claim 2, wherein the upper supporting plate (15) is provided with a position limiter for limiting the rotation angle of the gas collecting hood (3) near the nearby structures, so as to avoid collision of the gas collecting hood (3) with the nearby structures when rotating.

4. A high-temperature smoke dust collecting device according to claim 3, wherein the gas collecting hood (3) comprises a hollow truncated cone-shaped cylinder with a wide bottom and a narrow top, the bottom of the cylinder is fixedly connected with a # -shaped support (24), the bottom of the # -shaped support (24) is fixedly connected with a circular baffle (23) coaxially arranged with the cylinder, the diameter of the baffle (23) is smaller than that of the bottom of the cylinder, so that a radial gap (22) is arranged between the edge of the bottom of the cylinder and the edge of the baffle (23), and the radial gap (22) is larger than 10mm and smaller than 100 mm.

5. A high temperature soot collecting device according to claim 4, characterized in that the radial gap (22) is 50 mm.

6. A high temperature smoke collecting device according to claim 5, wherein said baffle (23) is provided with a plurality of pressure relief holes (25).

7. A high-temperature smoke dust collecting device according to any one of claims 1 to 6, wherein an upper connecting cylinder (21) is provided between the driven gear (12) and the horizontal connecting pipe (2), the upper end surface of the upper connecting cylinder (21) is fixedly connected with the bottom side of the circumferential surface of the other axial end of the horizontal connecting pipe (2), and the lower end surface of the upper connecting cylinder (21) is fixedly connected with the top surface of the driven gear (12).

8. The high-temperature smoke dust collecting device according to claim 7, wherein the number of the couplings is three, and the output shaft of the speed reducer (6) is fixedly connected with the lower end of the transmission shaft (10) through the first fixed coupling (7), the universal coupling (8) and the second fixed coupling (9) in sequence.

9. A high-temperature smoke dust collecting device according to claim 8, further comprising a support plate (14) for supporting said motor (5) and said speed reducer (6), said support plate (14) being fixed to the circumferential surface of the upper portion of said column (1) and being arranged perpendicular to the axial direction of said column (1).

10. A high temperature smoke collecting device according to claim 9, characterized in that rib plates (17) are provided between the lower surface of the support plate (14) and the vertical column (1).

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