Communicating type rotary kiln riding wheel cooling device

Abstract

The utility model discloses a communicated rotary kiln riding wheel cooling device, which is characterized in that the lower part of a riding wheel is positioned in a water tank arranged on a base, one side of the water tank is communicated with a water inlet pipe, and the other side of the water tank is communicated with a water level regulator through a communicating pipe; the water level regulator comprises a water tank and a water bucket, a movable end cover is arranged at the upper end of the water tank, the side wall of the lower portion of the water tank is communicated with the communicating pipe, a through hole is formed in the bottom wall of the water tank, a hollow screw rod is inserted into the through hole, the hollow screw rod and the through hole are in clearance fit, and a fixing nut is arranged on the hollow screw rod in the water tank. A sealing gasket and a locking nut are arranged on the hollow screw outside the water tank, and the water bucket is arranged below the hollow screw. The independent water level regulator is arranged outside the riding wheel device, the water level regulator and the water tank form a communicating vessel, and the water levels of the water level regulator and the water tank are kept flush, so that an operator can better control the water level in the hot state of the rotary kiln.

Description

Technical Field

[0001] The utility model relates to a supporting roller cooling technology for a rotary kiln, in particular to a connected type rotary kiln supporting roller cooling device. Background Art

[0002] A rotary kiln is a thermal equipment for heating bulk or slurry materials, and is widely used in industries such as non-ferrous metallurgy, ferrous metallurgy, refractories, cement, chemical engineering, solid and hazardous waste disposal, etc. As a key component of the rotary kiln, the use stability of the supporting roller device seriously affects the overall service life of the rotary kiln. And as a thermal equipment, it is particularly important to reasonably cool down its rotating component, the supporting roller device.

[0003] At present, for the supporting roller device of the rotary kiln, setting movable water pipes in the water tank, or setting water baffle plates for returning water, or setting float valves all control the water level by making articles inside the water tank, which is inconvenient for later use and maintenance, and there are also safety risks.

[0004] Patent Application Publication No. CN216011686 U discloses a rotary kiln supporting roller cooling and temperature reduction device, including a supporting roller and a water tank. The middle part of the supporting roller is connected with a supporting roller shaft, and bearing seats are arranged at both ends of the supporting roller shaft. Axial flow fan blades are installed on both sides of the supporting roller shaft, and the axial flow fan blades are arranged on the left or right side of the bearing seat; the lower part of the bearing seat is installed on the water tank, a coolant is arranged inside the water tank, and the lower part of the supporting roller is immersed in the coolant inside the water tank. A water inlet pipe is arranged on one side of the water tank, and a water outlet pipe is arranged on the other side of the water tank. The utility model integrates water cooling and air cooling, cools the supporting roller and the bearings on both sides thereof, and ensures the cooling and temperature reduction effect of the supporting roller.

[0005] However, the above technical solution has some deficiencies: the water inlet and outlet are constant, and the height of the water tank submerging the supporting roller is also unchanged, and it cannot be adjusted according to the actual situation, which affects the cooling effect. Summary of the Utility Model

[0006] The technical problem to be solved by the utility model is: to overcome the deficiencies of the prior art and provide a connected type rotary kiln supporting roller cooling device with reasonable design, capable of adjusting the height of the cooling water and having good cooling effect.

[0007] The technical solution of the utility model is:

[0008] A connected rotary kiln roller cooling device comprises a roller, which is arranged on a machine base through a supporting mechanism, the roller is in contact with a wheel belt of a rotary kiln cylinder, a water tank is arranged on the machine base, the lower part of the roller is located in the water tank, one side of the water tank is connected with a water inlet pipe, and the other side of the water tank is connected with a water level regulator through a connecting pipe; the water level regulator comprises a water tank and a water bucket, the upper end of the water tank is provided with a movable end cover, the lower side wall of the water tank is connected with the connecting pipe, the bottom wall of the water tank is provided with a through hole, a hollow screw is inserted in the through hole, and the two are clearance-matched, a fixing nut is arranged on the hollow screw in the water tank, a sealing gasket and a locking nut are arranged on the hollow screw outside the water tank, and the water bucket is arranged below the hollow screw.

[0009] Furthermore: the supporting wheels are respectively arranged on both sides of the machine base, and the water tanks under the two supporting wheels are supplied with water separately through the two water inlet pipes, or the water tanks under the two supporting wheels are supplied with water together through one water inlet pipe.

[0010] Furthermore: the two water tanks are respectively connected to an independent water level regulator, or the two water tanks are connected to the same water level regulator.

[0011] The beneficial effects of the utility model are:

[0012] 1. The utility model sets an independent water level regulator outside the supporting roller device, and the water level regulator and the water tank of the supporting roller device form a communicating vessel, which can be adjusted at any time to keep the water levels of the two flush, so that the operator can better control the water level when the rotary kiln is hot.

[0013] 2. The hollow screw of the utility model is positioned up and down by a fixing nut and a locking nut, and the up and down positions can be adjusted, and the adjustment by the operator is convenient.

[0014] 3. The hollow screw of the utility model is provided with a sealing gasket, which can effectively prevent the water in the water tank from flowing out through the hollow screw and avoid water leakage.

[0015] 4. The independent water tank and the movable cover on the upper part of the utility model are convenient for observing the water level and cleaning the dirt deposited at the bottom of the water tank at any time, and are easy to use.

[0016] 5. The utility model has reasonable design, stable and reliable operation, no complex structure and easy operation. In addition, sufficient installation space is reserved between the hollow screw and the water bucket to avoid interference. It has good economic benefits after promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a connected rotary kiln support wheel cooling device;

[0018] Figure 2 is Figure 1 a structural schematic diagram of a medium water level regulator. Specific embodiments

[0019] Embodiment 1: Refer to Figure 1 — Figure 2 , in the figure, 1 - rotary kiln shell, 2 - tyre, 3 - supporting roller, 4 - water inlet pipe, 5 - machine base, 6 - water tank, 7 - water level regulator, 71 - movable end cover, 72 - water tank, 73 - fixing nut, 74 - sealing gasket, 75 - locking nut, 76 - hollow screw, 77 - water bucket.

[0020] A connected type rotary kiln supporting roller cooling device, including a supporting roller 3, the supporting roller 3 is arranged on the machine base 5 through a supporting mechanism (two supporting rollers 3 are arranged at intervals on the machine base 5), the supporting roller 3 is in contact with the tyre 2 of the rotary kiln shell 1, a water tank 6 is arranged on the machine base 5, the lower part of the supporting roller 3 is located in the water tank 6, wherein: one side of the water tank 6 is communicated with the water inlet pipe 4, and the other side of the water tank 6 is communicated with the water level regulator 7 through a connecting pipe; the water level regulator 7 includes a water tank 72 and a water bucket 77, a movable end cover 71 is arranged at the upper end of the water tank 72, the lower side wall of the water tank 72 is communicated with the connecting pipe, a through hole is arranged at the bottom wall of the water tank 72, a hollow screw 76 is inserted in the through hole, and the two are in clearance fit, a fixing nut 73 is arranged on the hollow screw 76 in the water tank 72, a sealing gasket 74 and a locking nut 75 are arranged on the hollow screw 76 outside the water tank 72, a water bucket 77 is arranged below the hollow screw 76, and the lower end of the water bucket 77 is connected with a downstream return water pipeline (not shown in the figure).

[0021] Preferred solution: The water tanks 6 below the two supporting rollers 3 are jointly supplied with water through a water inlet pipe 4 respectively, and the two water tanks 6 are respectively communicated with an independent water level regulator 7.

[0022] Under normal working conditions, the rotary kiln shell 1 will emit a large amount of heat and conduct it to the tyre 2, and the tyre 2 will conduct part of the heat to the supporting roller 3 in contact therewith; the cooling water enters the water tank 6 from the water inlet pipe 4, the height of the water submerging the supporting roller 3 can be controlled through the water level regulator 7, and the cooling water stays in the water tank 6, taking away the surface temperature of the supporting roller 3, and the hot water enters the water level regulator 7 and is discharged, so that the supporting roller 3 operates stably in a better state.

[0023] The water tank 72 of the water level regulator 7 can further precipitate the sewage from the water trough 6. The operator can regularly open the movable cover plate 71 to clean the dirt deposited at the bottom of the water tank 72. The water level of the water trough 6 can be adjusted by the height change of the hollow screw 76 to better control the surface temperature of the supporting roller. The sealing gasket 74 and the locking nut 75 play a role in sealing and fixing. The water bucket 77 not only reserves enough adjustment space for the hollow screw 76 but also facilitates the connection with the downstream return water pipeline.

[0024] Embodiment 2: This embodiment is basically the same as Embodiment 1. The same parts will not be repeated. The differences are as follows: The water troughs under the two supporting rollers are separately supplied with water through two water inlet pipes to achieve separate water supply. In addition, the two water troughs are respectively connected to an independent water level regulator to achieve common adjustment.

[0025] The above are only the preferred examples of the present invention, and do not impose any formal restrictions on the present invention. Any simple modifications made based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A connected rotary kiln supporting roller cooling device, comprising a supporting roller, the supporting roller is arranged on a machine base through a supporting mechanism, the supporting roller contacts with a tyre of a rotary kiln cylinder body, a water tank is arranged on the machine base, and the lower part of the supporting roller is located in the water tank, and it is characterized in that: One side of the water tank is communicated with a water inlet pipe, and the other side of the water tank is communicated with a water level regulator through a connecting pipe; the water level regulator includes a water tank and a water bucket. An active end cover is arranged at the upper end of the water tank. The lower side wall of the water tank is communicated with the connecting pipe. A through hole is arranged on the bottom wall of the water tank, and a hollow screw rod is inserted into the through hole with a clearance fit therebetween. A fixing nut is arranged on the hollow screw rod inside the water tank, and a sealing gasket and a locking nut are arranged on the hollow screw rod outside the water tank. The water bucket is arranged below the hollow screw rod.

2. The connected rotary kiln supporting roller cooling device according to claim 1, characterized in that: The supporting wheels are respectively arranged on both sides of the machine base, and the water tanks below the two supporting wheels are respectively supplied with water separately through the two water inlet pipes, or the water tanks below the two supporting wheels are jointly supplied with water through one water inlet pipe.

3. A connected rotary kiln supporting roller cooling device according to claim 1, characterized in that: The two water tanks are respectively communicated with an independent water level regulator, or the two water tanks are connected to the same water level regulator.

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