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CN-224201725-U - Slag penetrating prevention slag cooling machine

CN224201725UCN 224201725 UCN224201725 UCN 224201725UCN-224201725-U

Abstract

A slag penetration-preventing slag cooler relates to the field of slag coolers, and is mainly designed for solving the problem that high-temperature slag and fire at present can penetrate out from a channel in the middle of a spiral slag guide piece of the slag cooler to damage slag conveying equipment. The slag guide device comprises a base, a rail of a barrel is arranged on a riding wheel of the base, a large chain wheel of the barrel is connected with a chain wheel of a motor through a chain, a slag discharging pipe stretches into a slag inlet, a water inlet pipe and a water return pipe which are communicated with a barrel water jacket are connected with a rotary joint, a slag outlet is arranged at the rear end of the barrel, a spiral slag guide piece A is arranged on the inner wall of the barrel between the slag inlet and the slag outlet, and a stop block is arranged in a channel in the middle of the spiral slag guide piece A. The spiral slag guide sheet A is made into a double-layer wall structure, and a water inlet and a water outlet are arranged on the surface of the spiral slag guide sheet A, which is contacted with the inner wall of the cylinder. A high-temperature slag penetration preventing section is arranged in the cylinder in front of the spiral slag guiding sheet A, and a low-temperature slag penetration preventing section is arranged in the cylinder behind the spiral slag guiding sheet A. Has the advantage of inhibiting fire caused by slag penetration of the slag cooler.

Inventors

  • LU YANG
  • WEN XUMING

Assignees

  • 辽宁北方电力机械成套设备有限公司

Dates

Publication Date
20260505
Application Date
20250423

Claims (9)

  1. 1. The slag penetrating prevention slag cooling machine comprises a base (1), a motor speed reducer (2) is fixed on the base, a slag discharging pipe (3) is fixed at the front end of the base, a rotary joint (4) is connected at the rear end of the base, two rails (5) surrounding the barrel are fixed on the outer wall of a barrel (8), riding wheels (6) are arranged at positions corresponding to the two rails on the base, the two rails on the outer wall of the barrel are respectively arranged on the riding wheels corresponding to the base, a large chain wheel (7) is further arranged on the barrel between the two rails, the large chain wheel is connected with a driving chain wheel of the motor speed reducer through a chain, a slag inlet (9) is arranged at the front end in the barrel, the slag discharging pipe stretches into the slag inlet, the barrel is of a double-layer wall structure, a water jacket is arranged in a space between the double-layer walls of the barrel, a plurality of water inlet pipes (11) and a water return pipe (12) which are communicated with the water jacket are fixed outside the barrel, the other ends of the water inlet pipes are connected with the water outlet on the rotary joint, and the other ends of the water return pipe are connected with a rotary water return pipe of the rotary joint; The device is characterized in that a spiral slag guide piece A (15) is welded on the inner wall of the cylinder body between the slag inlet and the slag outlet, namely, the outer diameter of the spiral slag guide piece A is welded on the inner wall of the cylinder body, a distance is reserved between the inner diameter of the spiral slag guide piece A and the axial center line of the cylinder, an axial channel is formed, a stop block (16) matched with the diameter of the channel is arranged in the channel in the middle of the spiral slag guide piece A, and the stop block is fixed on the inner diameter of the spiral slag guide piece A.
  2. 2. The slag penetrating prevention slag cooler of claim 1, wherein the spiral slag guide plate A is of a double-layer wall structure, and a water inlet and a water outlet are arranged on the surface of the spiral slag guide plate A, which is contacted with the inner wall of the cylinder, namely the inner space of the spiral slag guide plate A is communicated with the water jacket of the cylinder.
  3. 3. The slag cooler for preventing slag penetration according to claim 1 or 2, wherein a plurality of inclined slag guide plates A (10) are welded on the inner wall of the slag inlet, and a plurality of inclined slag guide plates B (14) are welded on the inner wall of the slag outlet.
  4. 4. The slag-penetrating-preventing slag cooler according to claim 1 or 2 is characterized in that a high-temperature slag penetrating-preventing section is additionally arranged in a barrel in front of a spiral slag guide plate A, the high-temperature slag penetrating-preventing section comprises a front supporting plate (17) and a front baffle plate (18), the front supporting plate is welded with the inner wall of the barrel behind a slag inlet, the front supporting plate and the rear end of the slag inlet are in contact with each other, the front baffle plate is welded on the inner wall of the barrel in front of the spiral slag guide plate A, a distance is reserved between the front supporting plate and the front baffle plate, a plurality of front slag guide pipes (19) are arranged between the front supporting plate and the front baffle plate, namely, the front end and the rear end of each front slag guide pipe are respectively welded on the front supporting plate and the front baffle plate, openings are formed at positions corresponding to the front slag guide pipes, the inner wall of each front slag guide plate is welded with a spiral slag guide plate B (20), namely, the outer diameter of the spiral slag guide plate B is welded on the inner wall of the front slag guide plate, a certain distance is reserved between the inner diameter of the spiral slag guide plate B and the axial center line of the front slag guide plate A, a channel is formed, a high-temperature cut-off block is arranged in the spiral slag guide block, and the high-temperature cut-off block is arranged on the spiral slag guide block (21).
  5. 5. The slag cooler of claim 4, wherein the space between the front slag guide pipes is a front water storage cavity, and the front water storage cavity is communicated with the water jacket.
  6. 6. The slag cooler for preventing slag penetration according to claim 4, wherein a plurality of inclined slag guide plates C (22) are arranged on one surface of the front partition plate facing the spiral slag guide plate A, and two ends of the slag guide plates C are respectively welded on the inner wall of the cylinder body and the front partition plate.
  7. 7. The slag penetrating prevention cold slag machine according to claim 1 or 2 is characterized in that a low-temperature slag penetrating prevention section is additionally arranged in a barrel behind a spiral slag guide sheet A, the low-temperature slag penetrating prevention section comprises a rear supporting plate (23) and a rear partition plate (24), the rear supporting plate is welded on the inner wall of the barrel in front of a slag hole, the rear partition plate is welded on the inner wall of the barrel behind the spiral slag guide sheet A, a distance is reserved between the rear supporting plate and the rear partition plate, a plurality of rear slag guide pipes (25) are connected between the rear supporting plate and the rear partition plate, namely, the front end and the rear end of each rear slag guide pipe are respectively welded on the rear partition plate and the rear supporting plate, an opening is arranged at the position corresponding to each rear slag guide pipe, the inner wall of each rear slag guide pipe is welded with a spiral slag guide sheet C (26), namely, the outer diameter of each spiral slag guide sheet C is welded on the inner wall of the rear slag guide pipe, a distance is reserved between the inner diameter of each spiral slag guide sheet C and the axial center line of the rear slag guide sheet A, an axial channel is formed, the diameter of each rear slag guide sheet C is matched with the low-temperature water guide block (27) in the middle part of the spiral slag guide sheet C, and the water storage cavity is communicated with the water storage cavity.
  8. 8. The slag cooler for preventing slag penetration of claim 7, wherein a plurality of inclined slag guide plates D (28) are arranged on one surface of the rear partition plate facing the spiral slag guide plate A, and two ends of the slag guide plates D are respectively welded on the inner wall of the cylinder body and the rear partition plate.
  9. 9. The slag penetrating prevention cold slag machine according to claim 4, wherein a low-temperature slag penetrating prevention section is additionally arranged in a barrel behind a spiral slag guide plate A, the low-temperature slag penetrating prevention section comprises a rear supporting plate (23) and a rear partition plate (24), the rear supporting plate is welded on the inner wall of the barrel in front of a slag hole, the rear partition plate is welded on the inner wall of the barrel behind the spiral slag guide plate A, a distance is reserved between the rear supporting plate and the rear partition plate, a plurality of rear slag guide pipes (25) are connected between the rear supporting plate and the rear partition plate, namely, the front end and the rear end of each rear slag guide pipe are respectively welded on the rear partition plate and the rear supporting plate, an opening is arranged at the position corresponding to each rear slag guide pipe, the inner wall of each rear slag guide pipe is welded with a spiral slag guide plate C (26), namely, the outer diameter of each spiral slag guide plate C is welded on the inner wall of the rear slag guide pipe, a distance is reserved between the inner diameter of each spiral slag guide plate C and the axial center line of the rear slag guide pipe, an axial channel is formed, the channel is arranged in the middle of the spiral slag guide plate C, the channel is matched with a low-temperature water guide block (27) on the water jacket, and the water storage cavity is communicated with the low-temperature water storage cavity.

Description

Slag penetrating prevention slag cooling machine Technical Field The utility model relates to the field of slag coolers, in particular to a slag penetrating prevention slag cooler. Background The slag cooler is a device for cooling high-temperature slag, and comprises a base, a motor reducer is fixed on the base, two tracks encircling a barrel body are fixed on the outer wall of a barrel, the tracks are arranged on riding wheels of the base, a large chain wheel is arranged on the outer wall of the barrel, the large chain wheel is connected with a driving chain wheel of the motor reducer through a chain, the front end of the barrel is provided with a slag inlet communicated with a slag discharging pipe, the slag discharging pipe is communicated with an upper boiler, the rear end of the barrel is provided with a slag discharging port, a spiral slag guide sheet is welded on the inner wall of the barrel, the barrel is of a double-wall structure, a water jacket is arranged in a space between the double-wall structure, cooling water is arranged in the water jacket, a water inlet pipe and a water return pipe are arranged outside the barrel, the water inlet pipe is connected with a water outlet on a rotary joint of the rear end of the barrel, the water return pipe is connected with a rotary water return pipe of the rotary joint, the motor reducer works to drive the barrel to rotate, and further drive slag to cool slag in the barrel through cooling water and then discharge slag from the slag discharging port. A circle of spiral slag guide sheets are welded on the inner wall of the cylinder of the existing slag cooler, namely the outer diameter of each spiral slag guide sheet is welded on the inner wall of the cylinder of the slag cooler, and a distance is reserved between the inner diameter of each spiral slag guide sheet and the axial center line of the cylinder, so that an axial channel is formed in the middle of the inner wall of the cylinder (namely the middle of each spiral slag guide sheet). When the boiler is emptied and loopholes appear, the fire of the boiler can be blown into the slag cooler by positive pressure air of the boiler, and high-temperature slag and fire at about 1000 ℃ pass through a channel in the middle of a spiral slag guide piece of the slag cooler after entering the slag cooler, so that slag conveying equipment positioned at the downstream of the slag cooler can be damaged. When the slag conveying equipment is a belt conveyor, the belt conveyor can be burnt out, and when the slag conveying equipment is a scraper conveyor or a chain bucket conveyor, the equipment can be deformed and even scrapped under the influence of high-temperature fire. The possibility of fire on site is extremely high and the risk is high. Disclosure of utility model The utility model aims to solve the technical problem of providing the slag penetration-preventing slag cooler which can prevent high-temperature slag and fire from penetrating out of the slag cooler when the slag is emptied and loopholes occur. The utility model aims at realizing the technical scheme that the slag guide device comprises a base, a motor speed reducer is fixed on the base, a slag discharging pipe is fixed at the front end of the base, a rotary joint is connected at the rear end of the base, two rails encircling the barrel are fixed on the outer wall of the barrel, a riding wheel is arranged at the position corresponding to the two rails on the base, the two rails on the outer wall of the barrel are respectively arranged on the riding wheel corresponding to the base, a large chain wheel is further arranged on the barrel between the two rails, the large chain wheel is connected with a driving chain wheel of the motor speed reducer through a chain, a slag inlet is arranged at the front end in the barrel, the slag discharging pipe stretches into the slag inlet, a plurality of inclined slag guide plates A are welded on the inner wall of the slag inlet, the barrel is of a double-layer wall structure, a water jacket is arranged in a space between the double-layer walls of the barrel, a plurality of water inlet pipes and a water return pipe are fixed outside the barrel, the other ends of the water inlet pipes are connected with the rotary joint, and the other ends of the water return pipes are connected with the rotary return pipes of the rotary joint; The device is characterized in that a spiral slag guide piece A is welded on the inner wall of the cylinder body between the slag inlet and the slag outlet, namely, the outer diameter of the spiral slag guide piece A is welded on the inner wall of the cylinder body, a distance is reserved between the inner diameter of the spiral slag guide piece A and the axial center line of the roller, an axial channel is formed, a stop block matched with the diameter of the channel is arranged in the channel in the middle of the spiral slag guide piece A, and the stop block is fixed on the inner diameter of the s