CN216790890U

CN216790890U - Water-cooling closed spiral discharge device for high-temperature materials

Info

Publication number: CN216790890U
Application number: CN202123363846.6U
Authority: CN
Inventors: 金文浩; 牟丹; 王文聪
Original assignee: Wisdri Engineering and Research Incorporation Ltd
Current assignee: Wisdri Engineering and Research Incorporation Ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-21
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a water-cooling closed spiral discharging device for high-temperature materials, which comprises a cylinder, a transmission mechanism and a speed reducing motor, wherein blades are arranged on the inner wall of the cylinder, a cooling water cavity is arranged on the outer wall of the cylinder, and the speed reducing motor is connected with the cylinder through the transmission mechanism; the two ends of the cylinder body are respectively connected with a feeding pipe and a discharging port; the bottom of the cylinder body is provided with a roller supporting assembly, and the inner cavity of the cylinder body is filled with inert gas; the speed reducing motor drives the cylinder to rotate on the roller supporting component through the transmission mechanism. The utility model realizes the closed conveying and cooling of high-temperature materials, prevents air from oxidizing the high-temperature materials, and is particularly suitable for the industrial fields of metallurgy, chemical industry and the like.

Description

Water-cooling closed spiral discharge device for high-temperature materials

Technical Field

The utility model relates to the technical field of material conveying, in particular to a water-cooling closed spiral discharging device for high-temperature materials.

Background

In the industrial field, after materials are subjected to smelting or calcining and other processes, the temperature of finished products is generally high, a discharging device of the discharging device is always required to stably work in a high-temperature environment, and the high-temperature materials are cooled in the discharging process so as to be convenient for subsequent storage and transportation. In addition, for some special materials, the oxidation of the materials due to air contact in a high-temperature state is avoided, and the product quality is not affected.

Therefore, it is very significant to develop a set of discharging device with water cooling, which can cool the discharging device and the conveyed materials, can stably work and be closed in a high-temperature environment, and can effectively avoid the high-temperature oxidation of the materials.

Disclosure of Invention

The utility model aims to solve the technical problem that in order to overcome the defects in the prior art, the utility model provides the water-cooling closed spiral discharging device for the high-temperature materials, which realizes the closed conveying and cooling of the high-temperature materials, prevents the air from oxidizing the high-temperature materials, and is particularly suitable for the industrial fields of metallurgy, chemical industry and the like.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a water-cooling closed spiral discharging device for high-temperature materials comprises a cylinder body, a transmission mechanism and a speed reducing motor, wherein blades are arranged on the inner wall of the cylinder body, a cooling water cavity is arranged on the outer wall of the cylinder body, and the speed reducing motor is connected with the cylinder body through the transmission mechanism; the two ends of the cylinder body are respectively connected with a feeding pipe and a discharging opening; the bottom of the cylinder body is provided with a roller supporting assembly, and the inner cavity of the cylinder body is filled with inert gas; the speed reducing motor drives the cylinder to rotate on the roller supporting component through the transmission mechanism.

According to the technical scheme, the roller supporting assembly comprises two rollers and a support, the two rollers are arranged on two sides of the bottom of the barrel, the outer ring of the barrel is provided with a track, the rollers are arranged on the support, blocking wheels are uniformly arranged on two sides of each roller and are arranged on the support, the rollers are in contact with the outer surface of the track, and two sides of the track are in contact with the blocking wheels.

The number of the roller supporting assemblies is consistent with that of the rollers, and the rollers are arranged in a one-to-one correspondence manner; the plurality of roller supporting assemblies are sequentially arranged along the axis direction of the cylinder body.

According to the technical scheme, the blades arranged on the inner wall of the cylinder body are helical blades, the helical blades are made of stainless steel, and heat insulation materials are sprayed on the surfaces of the helical blades.

According to the technical scheme, the transmission mechanism comprises a large chain wheel and a small chain wheel, the outer ring of the barrel body is sleeved with the large chain wheel, an output shaft of the speed reducing motor is connected with the small chain wheel, and the large chain wheel is connected with the small chain wheel through a chain.

According to the technical scheme, the lower part of the feed opening is sequentially connected with a feed valve, a storage tank and a sealing valve; a feed inlet and a discharge outlet of the storage tank are respectively provided with a nitrogen inlet and a nitrogen exhaust port, and the nitrogen inlet and the nitrogen exhaust port are respectively provided with a ball valve; the nitrogen inlet may be filled with nitrogen or other inert gas.

According to the technical scheme, the front end and the rear end of the barrel are respectively connected with a front sealing end cover and a rear sealing end cover, the feeding pipe is fixed on the front sealing end cover and obliquely inserted into the barrel from the front sealing end cover of the barrel, the discharging opening is formed in the lower portion of the rear sealing end cover, and bearings are arranged between the front sealing end cover and the barrel and between the rear sealing end cover and the barrel; when the barrel and the helical blade integrally rotate, the front sealing end cover and the rear sealing end cover do not rotate, the feeding pipe does not rotate, and the water inlet main pipe, the water return main pipe and the branch pipe rotate along with the water inlet main pipe and the water return main pipe.

According to the technical scheme, the both ends of barrel are connected with inlet manifold and return water house steward respectively, and inlet manifold penetrates to the barrel in the center department of preceding end cover, through the one end intercommunication in inlet branch pipe and cooling water cavity, and the other end in cooling water cavity passes through return water branch pipe and return water house steward to be connected, and return water house steward wears out to the barrel outside from the center department of back end cover, and inlet manifold, outlet manifold pass through rotary joint and the switch-on of outside fixed water pipeling respectively.

According to the technical scheme, water pipe packing seals are arranged between the water inlet main pipe and the front sealing end cover and between the water return main pipe and the rear sealing end cover, and the water pipe packing seals are fixedly arranged on corresponding sealing end covers through water pipe sealing gland covers; the water inlet main pipe and the water return main pipe respectively penetrate out of the front sealing end cover and the rear sealing end cover, and sealing is realized through the water pipe packing seal and the water pipe sealing gland. The water inlet main pipe and the water outlet main pipe are communicated with a water pipeline fixed outside through a rotary joint;

a cylinder packing seal and a cylinder sealing gland are sequentially arranged outside the bearing of the cylinder; the front and rear sealing end covers and the cylinder body are sealed through a cylinder body packing seal and a cylinder body sealing gland.

According to the technical scheme, the front sealing end cover and the rear sealing end cover are both provided with material blocking rings, and the front sealing end cover and the rear sealing end cover are both provided with nitrogen interfaces; the nitrogen interface is used for connecting nitrogen or other inert gases.

According to the technical scheme, a plurality of partition plates are distributed in the cooling water cavity along the circumferential direction to divide the cooling water cavity into a plurality of unit cavities; water baffles which are staggered up and down are distributed in each unit cavity along the length direction of the cylinder; and a tooth-shaped structure is arranged on the side, close to the water cavity, of the heat exchange surface steel plate of the cooling water cavity.

The utility model has the following beneficial effects:

1. the device realizes the closed conveying and cooling of high-temperature materials, prevents air from oxidizing the high-temperature materials, and is particularly suitable for the industrial fields of metallurgy, chemical industry and the like; the rotation of the helical blade is adopted to realize the linear conveying of the materials, and the method is simple and reliable; the whole cooling water cavity rotates along with the cylinder, the heat exchange surface of the water cavity and the high-temperature material changes along with the rotation, and cold cooling water continuously enters a heat exchange area, so that the heat exchange efficiency is higher; the material is turned over along with the rotation of the cylinder body, and is cooled more fully; the roller supporting assembly is adopted, so that a larger bearing is avoided, the structure is simple and reliable, the maintenance is convenient, and the manufacturing cost of the equipment is low;

2. the cooling water cools the spiral blade, and the surface of the spiral blade is coated with a heat insulating material, so that the influence of high-temperature materials on the strength of the blade shaft is effectively reduced, and the deformation and damage of the blade shaft are avoided; through the arrangement of the large material storage tank, not only can temporary storage of materials be realized, and certain maintenance time is reserved for the next procedure, but also nitrogen can be adopted to replace air through the actions of the blanking valve and the sealing valve, so that high-temperature oxidation of the materials caused by the fact that the air enters the equipment when the materials are discharged is avoided; the chain transmission is flexible transmission, so that the influence of the thermal extension of the cylinder on the motor and the speed reducer is avoided, and the motor and the speed reducer are more convenient to overhaul and replace; the heat exchange surface of the cylinder material and the cooling water is provided with a tooth-shaped structure so as to increase the heat exchange area and enhance the heat exchange efficiency; the front and rear sealing end covers are provided with nitrogen interfaces, nitrogen is input at a certain pressure, so that the cylinder is in a nitrogen atmosphere, and micro-positive pressure relative to the atmosphere is kept, and air can be effectively prevented from entering the cylinder through a sealing gap to cause high-temperature oxidation of materials; when the materials are conveyed for the first time, the air in the cylinder can be replaced by introducing nitrogen; the material blocking rings are arranged at the front and rear sealing end covers, so that the material can be reduced to enter the sealing part of the end covers, and the sealing service life is influenced; the cooling water cavity of the cylinder body is provided with water baffles which are staggered up and down, so that cooling water is turbulent as much as possible when flowing in the cylinder body, and the heat exchange of the cooling water is more sufficient under the same flow velocity, so that the cooling effect on materials is enhanced; through setting up the fender wheel, the axial displacement of effective restriction barrel rotation in-process, equipment operation is reliable.

Drawings

FIG. 1 is a schematic structural diagram of a water-cooling closed spiral discharging device for high-temperature materials in an embodiment of the utility model;

FIG. 2 is a cross-sectional view B-B of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

FIG. 4 is a partial K view of FIG. 1;

in the figure, 1-a rotary joint, 2-a feeding pipe, 3-a front sealing end cover, 4-a cylinder packing seal, 5-an end flange, 6-a cylinder sealing gland, 7-a track, 8-a cylinder, 9-a helical blade, 10-a large chain wheel, 11-a rear sealing end cover, 12-a water pipe packing seal, 13-a water pipe sealing gland and 14-a water return main pipe, 15-backwater branch pipe, 16-blanking valve, 17-storage tank, 18-sealing valve, 19-ball valve, 20-roller, 21-baffle wheel, 22-water inlet main pipe, 23-water inlet branch pipe, 24-chain, 25-speed reducer, 26-motor, 27-chain wheel seat, 28-tooth-shaped structure, 29-water baffle, 30-clapboard.

Detailed Description

The present invention will be described in detail below with reference to the drawings and examples.

Referring to fig. 1 to 4, the water-cooling closed spiral discharging device for high-temperature materials in one embodiment of the present invention includes a cylinder 8, a transmission mechanism, and a reduction motor, wherein blades are disposed on an inner wall of the cylinder 8, a cooling water cavity is disposed on an outer wall of the cylinder 8, and the reduction motor is connected to the cylinder 8 through the transmission mechanism; the two ends of the cylinder 8 are respectively connected with a feeding pipe 2 and a feed opening; two roller supporting assemblies are sequentially arranged at the bottom of the cylinder 8 along the axial direction of the cylinder 8, and inert gas is introduced into the inner cavity of the cylinder 8; the speed reduction motor drives the cylinder body 8 to rotate on the roller supporting component through the transmission mechanism.

Further, the roller supporting assembly comprises two rollers 20 and a support, the two rollers 20 are arranged on two sides of the bottom of the barrel body 8, the track 7 is arranged on the outer ring of the barrel body 8, the rollers 20 are arranged on the support, blocking wheels 21 are uniformly arranged on two sides of each roller 20, the blocking wheels 21 are arranged on the support, the rollers 20 are in contact with the outer surface of the track 7, and two sides of the track 7 are in contact with the blocking wheels 21.

The number of the roller supporting assemblies is consistent with that of the roller supporting assemblies, and the roller supporting assemblies are arranged in a one-to-one correspondence mode.

Further, the blades arranged on the inner wall of the cylinder body are helical blades 9, the helical blades 9 are made of stainless steel, and heat insulation materials are sprayed on the surfaces of the helical blades 9.

Further, the transmission mechanism comprises a large chain wheel 10 and a small chain wheel, the large chain wheel 10 is sleeved on the outer ring of the barrel 8, an output shaft of the speed reducing motor is connected with the small chain wheel, and the large chain wheel 10 is connected with the small chain wheel through a chain 24.

Further, the lower part of the feed opening is sequentially connected with a feed valve 16, a storage tank 17 and a sealing valve 18; a feed inlet and a discharge outlet of the material storage tank 17 are respectively provided with a nitrogen inlet and a nitrogen exhaust port, and the nitrogen inlet and the nitrogen exhaust port are respectively provided with a ball valve 19; the nitrogen inlet may be filled with nitrogen or other inert gas.

Furthermore, the front end and the rear end of the cylinder 8 are respectively connected with a front sealing end cover 3 and a rear sealing end cover 11, the feeding pipe 2 is fixed on the front sealing end cover 3 and is obliquely inserted into the cylinder 8 from the front sealing end cover 3 of the cylinder 8, the discharging opening is arranged at the lower part of the rear sealing end cover 11, and bearings are arranged between the front sealing end cover 3 and the cylinder 8 as well as between the rear sealing end cover 11 and the cylinder 8; when the barrel 8 and the helical blade 9 integrally rotate, the front and rear sealing end covers 11 do not rotate, the feeding pipe 2 does not rotate, and the water inlet and return main pipes and the branch pipes rotate along with the rotation.

Further, the both ends of barrel 8 are connected with inlet manifold 22 and return water house steward 14 respectively, inlet manifold 22 penetrates to the barrel 8 in from the center department of preceding sealing end cover 3, one end intercommunication through inlet branch pipe 23 and cooling water cavity, the other end in cooling water cavity passes through return water branch pipe 15 and is connected with return water house steward 14, return water house steward 14 wears out to the outside of barrel 8 from the center department of back sealing end cover 11, inlet manifold 22, outlet manifold pass through rotary joint 1 respectively and the water pipeling switch-on of external fixation.

Furthermore, a water pipe packing seal 12 is arranged between the water inlet main pipe 22 and the front sealing end cover 3 and between the water return main pipe 14 and the rear sealing end cover 11, and the water pipe packing seal 12 is fixedly arranged on the corresponding sealing end cover through a water pipe sealing gland 13; the water inlet main pipe 22 and the water return main pipe 14 respectively penetrate out of the front sealing end cover 11 and the rear sealing end cover 11, and are sealed through the water pipe packing seal 12 and the water pipe sealing gland 13. The water inlet main pipe 22 and the water outlet main pipe are communicated with an external fixed water pipeline through the rotary joint 1;

a cylinder packing seal 4 and a cylinder sealing gland 6 are sequentially arranged outside the bearing of the cylinder 8; the front and the rear sealing end covers 11 and the cylinder body 8 are sealed through a cylinder body packing seal 4 and a cylinder body sealing gland 6.

Furthermore, material blocking rings are arranged at the front sealing end cover 3 and the rear sealing end cover 11, and nitrogen interfaces are arranged at the front sealing end cover 3 and the rear sealing end cover 11; the nitrogen interface is used for connecting nitrogen or other inert gases.

Furthermore, a plurality of partition plates are distributed in the cooling water cavity along the circumferential direction to divide the cooling water cavity into a plurality of unit cavities; water baffles which are staggered up and down are distributed in each unit cavity along the length direction of the cylinder; and a tooth-shaped structure 28 is arranged on the side, close to the water cavity, of the heat exchange surface steel plate of the cooling water cavity.

Further, the number of the partition plates is 3-5, and the optimal selection of the number of the partition plates in the embodiment is 4.

Further, the speed reduction motor comprises a motor and a speed reducer, and the output end of the motor is connected with the input end of the speed reducer.

The working principle of the utility model is as follows: high-temperature materials enter the barrel body 8 through the feeding pipe 2, the inner side of the barrel body 8 is fixedly provided with the spiral blade 9, the barrel body 8 and the spiral blade 9 are driven by the motor 26 and the speed reducer 25 through the small chain wheel, the chain wheel seat 27, the chain 24 and the large chain wheel 10 to rotate according to a specific direction, and the high-temperature materials are pushed to be conveyed towards the discharge hole. The front and the back parts of the cylinder 8 are provided with rails 7, and the cylinder rotates on the rollers 20 and the supports thereof through the rails 7. The speed reducing motor is controlled by frequency conversion speed regulation; through carrying out variable frequency speed control to gear motor, can realize helical blade 9 rotational speed control, and then control row material speed.

Be equipped with the cooling water cavity between the barrel inner and outer wall, the cooling water cavity lets in the cooling water through inlet manifold 22, inlet branch 23, flows along material direction of delivery, cools off the high temperature material between helical blade 9, and discharge after gathering to return manifold 14 by return branch 15 to the discharge gate side.

The front end and the rear end of the cylinder body are respectively provided with an end flange 5, and a front sealing end cover 3 and a rear sealing end cover 11 are respectively arranged on the front end and the rear end of the cylinder body. The front sealing end cover is fixed with a feeding pipe and is obliquely inserted into the area of the helical blade 9 in the cylinder body, and materials slide into the gap of the helical blade 9 from the feeding pipe by gravity. The lower part of the rear sealing end cover is provided with a V-shaped feed opening, and the lower part of the feed opening is sequentially connected with a feed valve 16, a storage tank 17 and a sealing valve 18.

Before each feeding of the storage tank 17, the blanking valve 16 and the sealing valve 18 are kept closed, the ball valve 19 of the top exhaust port and the nitrogen inlet at the lower part of the storage tank are opened, nitrogen is introduced from the nitrogen inlet, the air in the tank is replaced and blown, and the gas is exhausted from the exhaust port. After the replacement is completed, the ball valve 19 is closed, the blanking valve is opened, and the material enters the storage tank.

Each small chain wheel and the chain wheel seat are provided with a catch wheel 21, and the side surface of the catch wheel is contacted with the side surface of the track 7 to roll.

The above is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereby, and therefore, the present invention is not limited by the scope of the claims.

Claims

1. A water-cooling closed spiral discharging device for high-temperature materials is characterized by comprising a cylinder body, a transmission mechanism and a speed reduction motor, wherein blades are arranged on the inner wall of the cylinder body, a cooling water cavity is arranged on the outer wall of the cylinder body, and the speed reduction motor is connected with the cylinder body through the transmission mechanism; the two ends of the cylinder body are respectively connected with a feeding pipe and a discharging port; the bottom of the cylinder body is provided with a roller supporting assembly, and the inner cavity of the cylinder body is filled with inert gas; the speed reducing motor drives the cylinder to rotate on the roller supporting component through the transmission mechanism.

2. The water-cooling closed spiral discharging device for the high-temperature materials as claimed in claim 1, wherein the roller supporting assembly comprises two rollers and a support, the two rollers are arranged on two sides of the bottom of the barrel, a track is arranged on the outer ring of the barrel, the rollers are arranged on the support, blocking wheels are arranged on two sides of each roller, the blocking wheels are arranged on the support, the rollers are in contact with the outer surface of the track, and two sides of the track are in contact with the blocking wheels.

3. The water-cooling closed spiral discharging device for the high-temperature materials according to claim 1, wherein the blades arranged on the inner wall of the cylinder body are spiral blades, the spiral blades are made of stainless steel, and heat insulation materials are sprayed on the surfaces of the spiral blades.

4. The water-cooling closed spiral discharging device for the high-temperature materials as claimed in claim 1, wherein the transmission mechanism comprises a large chain wheel and a small chain wheel, the large chain wheel is sleeved on the outer ring of the cylinder body, an output shaft of the speed reducing motor is connected with the small chain wheel, and the large chain wheel is connected with the small chain wheel through a chain.

5. The water-cooled closed spiral discharging device for high-temperature materials as claimed in claim 1, wherein the lower part of the discharging port is sequentially connected with a discharging valve, a storage tank and a sealing valve; the feed inlet and the discharge gate of storage tank are equipped with nitrogen gas entry and nitrogen gas vent respectively, and nitrogen gas entry and nitrogen gas vent all are equipped with the ball valve.

6. The water-cooled closed spiral discharging device for the high-temperature materials as claimed in claim 1, wherein the front end and the rear end of the cylinder are respectively connected with a front sealing end cover and a rear sealing end cover, the feeding pipe is fixed on the front sealing end cover and obliquely inserted into the cylinder from the front sealing end cover, the discharging port is arranged at the lower part of the rear sealing end cover, and bearings are arranged between the front sealing end cover and the cylinder, and bearings are arranged between the rear sealing end cover and the cylinder.

7. The water-cooled closed spiral discharging device for the high-temperature materials as claimed in claim 6, wherein the two ends of the cylinder are respectively connected with a water inlet main pipe and a water return main pipe, the water inlet main pipe penetrates into the cylinder from the center of the front sealing end cover and is communicated with one end of the cooling water cavity through a water inlet branch pipe, the other end of the cooling water cavity is connected with the water return main pipe through a water return branch pipe, the water return main pipe penetrates out of the cylinder from the center of the rear sealing end cover, and the water inlet main pipe and the water outlet main pipe are respectively communicated with an external fixed water pipeline through rotary joints.

8. The water-cooling closed spiral discharging device for the high-temperature materials as claimed in claim 7, wherein water pipe packing seals are arranged between the water inlet main pipe and the front sealing end cover and between the water return main pipe and the rear sealing end cover, and the water pipe packing seals are fixedly arranged on the corresponding sealing end covers through water pipe sealing glands;

and a cylinder packing seal and a cylinder sealing gland are sequentially arranged outside the bearing of the cylinder.

9. The water-cooled closed spiral discharging device for the high-temperature materials as claimed in claim 1, wherein the front sealing end cover and the rear sealing end cover are both provided with material blocking rings, and the front sealing end cover and the rear sealing end cover are both provided with nitrogen interfaces.

10. The water-cooled closed spiral discharging device for the high-temperature materials as claimed in claim 1, wherein a plurality of partition plates are circumferentially distributed in the cooling water cavity to divide the cooling water cavity into a plurality of unit cavities;

water baffles which are staggered up and down are distributed in each unit cavity along the length direction of the cylinder; and a tooth-shaped structure is arranged on the side, close to the water cavity, of the heat exchange surface steel plate of the cooling water cavity.