CN217725740U

CN217725740U - Cooling device in central transmission tube mill

Info

Publication number: CN217725740U
Application number: CN202221022099.1U
Authority: CN
Inventors: 解婧秋; 解增信
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-11-04
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a heat sink in central transmission tube mill grinds, install the mill section of thick bamboo on the support including support and rotation, the left end of grinding a section of thick bamboo is the discharge gate, installs the sieve in this discharge gate department, grind a section of thick bamboo right-hand member and be the feed inlet, install the feeder hopper rather than inside being linked together in this feed inlet department, and the through-hole has been seted up to the one end of this casing, and the other end of this casing is the opening form, seted up the basin on the lateral wall of core, the recess has been seted up to the tip of this core, and this recess is linked together with the basin, has seted up the gas pocket in the recess of this core, and fixed mounting is put in the casing to this core cover, and the recess of this core is linked together with the through-hole of casing, the utility model discloses the advantage is: effectively eliminating ball-wrapping and ball-wrapping forging in the tube mill, eliminating static electricity, eliminating free calcium, improving grinding benefit, reducing cement slump loss and being beneficial to cement mill-out packaging.

Description

Cooling device in central transmission tube mill

Technical Field

The utility model relates to a technical field of tube mill equipment, more specifically say so and relate to tube mill is with technical field who grinds interior heat sink.

Background

The tube mill is called a ball mill, is mainly used for material processing grinding powder in industries such as metallurgy, chemical engineering, building materials and the like, is one of the most common important devices in a grinding system, can adopt various configuration forms according to the types of processing raw materials, scale and different requirements of finished materials, and easily causes high internal temperature of the tube mill when the conventional tube mill is used for carrying out superfine grinding of materials, generates the phenomena of ball-wrapping package forging, static and the like, causes low grinding efficiency, easily produces free calcium in the mill due to high temperature, influences product quality, and easily causes premature damage of a mill bearing bush or a sliding track.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the prior art not enough, and provide an effective temperature in reducing the pipe mill, promote the steel ball life-span, improve the central transmission pipe mill of product quality and crocus efficiency and grind interior heat sink.

The utility model discloses a solve above-mentioned problem and the technical solution who adopts as follows:

a cooling device in a mill of a central transmission tube mill comprises a support and a mill barrel which is rotatably installed on the support, wherein the left end of the mill barrel is a discharge port, a sieve plate is installed at the discharge port, the right end of the mill barrel is a feed port, a feed hopper which is communicated with the inside of the mill barrel is installed at the feed port, the cooling device further comprises an atomizing nozzle, an air-water conversion joint and an air-water conveying pipe, the atomizing nozzle is composed of a shell and a core, a through hole is formed in one end of the shell, the other end of the shell is in an open shape, a water groove is formed in the side wall of the core, a groove is formed in the end of the core, the groove is communicated with the water groove, an air hole is formed in the groove of the core, the core is sleeved and fixedly installed in the shell, the groove of the core is communicated with the through hole of the shell, the atomizing nozzle is rotatably installed on the sieve plate at the discharge port of the mill barrel, the air-water conversion joint is fixedly installed on the feed hopper through a support, one end of the air-water conveying pipe is communicated with the air-water conversion joint, the other end of the air-water conveying pipe is firstly penetrated into the mill barrel from the feed port, and then is communicated with the discharge port of the mill barrel.

Preferably: the air-water conversion joint comprises a shell and a conversion shaft, wherein an air inlet and a water inlet are formed in the shell, an annular air groove communicated with the air inlet is formed in the inner wall of the shell, an annular water groove communicated with the water inlet is further formed in the inner wall of the shell, an air passage communicated with the annular air groove is formed in the conversion shaft, a water passage communicated with the annular water groove is formed in the conversion shaft, and the conversion shaft is sleeved in the shell in a rotating mode.

Preferably: the air-water conveying pipe consists of a water pipe and an air pipe, the air pipe is sleeved on the inner side of the water pipe, one end of the water pipe is fixedly connected with a conversion shaft of the air-water conversion joint and communicated with a water channel of the conversion shaft, and the other end of the water pipe is communicated with a shell on the atomizing nozzle; one end of the air pipe is communicated with the air passage on the conversion shaft, and the other end of the air pipe is communicated with the air hole on the core body.

Preferably: the water pipe is fixedly connected with the conversion shaft through a flange.

Preferably: the water inlet is communicated with a water inlet pipe, and the air inlet is communicated with an air inlet pipe.

Preferably: the atomizing nozzle is arranged on the sieve plate through a bearing.

Preferably: the shell and the core are both cylindrical.

Preferably: the groove at the end of the core body is in a cross shape.

The utility model adopts the above technical solution beneficial effect that can reach be:

the core body is sleeved and installed in the shell, water and high-pressure gas can be collected at the front end of the atomizing spray head at the same time, the water is enabled to be vaporific to be dispersed in the tube mill when being sprayed out from the through hole, the temperature in the tube mill can be effectively reduced, the temperature of milled cement is enabled not to exceed 100 ℃, the temperature of a mill bearing bush or a sliding track is favorably reduced, after the temperature of a steel ball in the tube mill is reduced, the package ball package forging in the tube mill can be effectively eliminated, static electricity is eliminated, free calcium is eliminated, the grinding benefit is improved, the cement slump loss is reduced, and the cement mill package is favorably realized.

The atomizing nozzle is ingenious and unique in design, and has good atomizing and anti-blocking effects; the water spraying pressure is taken from an independent air pump, the atomization effect is not influenced by the water source pressure, and the spray head is not blocked when the grinding is stopped.

Can go into grinding barrel with gas water conversion connection through gas water crossover sub, realized the sound conversion connection of gas water.

Drawings

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

FIG. 2 is a schematic structural view of the gas-water crossover joint of FIG. 1;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

fig. 4 is a schematic view of a part of the enlarged structure at B of fig. 1.

1. A support; 2. grinding the cylinder; 3. a sieve plate; 4. a feed hopper; 5. a housing; 6. a core body; 7. a through hole; 8. a water tank; 9. a groove; 10. air holes; 11. a bearing; 12. a support; 13. a housing; 14. a transfer shaft; 15. a water inlet; 16. an air inlet; 17. a water inlet pipe; 18. an air inlet pipe; 19. an annular gas groove; 20. an annular water tank; 21. an airway; 22. a water channel; 23. a water pipe; 24. an air tube; 25. a flange; 26. a support frame.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the cooling device in the center transmission tube mill comprises a support 1 and a mill barrel 2 rotatably mounted on the support 1, wherein the left end of the mill barrel 2 is a discharge port, a sieve plate 3 is mounted at the discharge port, the right end of the mill barrel 2 is a feed port, a feed hopper 4 communicated with the inside of the feed hopper is mounted at the feed port, the cooling device further comprises an atomizing nozzle, an air-water switching joint and an air-water conveying pipe, the atomizing nozzle comprises a shell 5 and a core 6, a through hole 7 is formed at one end of the shell 5, the other end of the shell 5 is open, a water groove 8 is formed on the side wall of the core 6, a groove 9 is formed at the end of the core 6, the groove 9 at the end of the core 6 is cross-shaped, the groove 9 is communicated with the water groove 8, an air hole 10 is formed in the groove 9 of the core 6, and the core 6 is fixedly mounted in the shell 5 in a sleeved manner, the groove 9 of the core 6 is communicated with the through hole 7 of the shell 5, the shell 5 and the core 6 are cylindrical, the atomizing nozzle is rotatably arranged on the sieve plate 3 at the discharge port of the grinding cylinder 2 through the bearing 11, the core 6 is sleeved in the shell 5, water and high-pressure gas can be collected at the front end of the atomizing nozzle at the same time, the water is enabled to be vaporific to be dispersed in the tube mill when being sprayed out from the through hole 7, the temperature in the tube mill can be effectively reduced, the temperature of the ground cement is enabled not to exceed 100 ℃, the temperature of a mill bush or a sliding track is favorably reduced, the temperature of a steel ball in the tube mill is reduced, the ball wrapping and forging in the tube mill can be effectively eliminated, static electricity is eliminated, free calcium is eliminated, the grinding benefit is improved, the loss of the slump of the cement is reduced, the cement is favorably packaged in the tube mill, the atomizing nozzle is ingenious and unique in design, and the atomizing nozzle is capable of effectively eliminating, the anti-blocking effect is good; the water spraying pressure is taken from an independent air pump, the water source pressure does not affect the atomization effect, the spray head is ensured not to be blocked when the grinding is stopped, the air-water conversion joint is fixedly arranged on the feed hopper 4 through a bracket 12, the air-water conversion joint comprises a shell 13 and a conversion shaft 14, the shell 13 is provided with an air inlet 15 and a water inlet 16, the water inlet 16 is communicated with a water inlet pipe 17, the air inlet 15 is communicated with an air inlet pipe 18, the inner wall of the shell 13 is provided with an annular air groove 19 communicated with the air inlet 15, the inner wall of the shell 13 is also provided with an annular water groove 20 communicated with the water inlet 16, the conversion shaft 14 is provided with an air passage 21 communicated with the annular air groove 19, the conversion shaft 14 is provided with a water passage 22 communicated with the annular water groove 20, the conversion shaft 14 is sleeved in the rotary mounting shell 13, the air-water delivery pipe consists of a water pipe 23 and an air pipe 24, the air pipe 24 is sleeved at the inner side of the water pipe 23, one end of the water pipe 23 is fixedly connected with the conversion shaft 14 of the air-water conversion joint through a flange 25 and is communicated with a water channel 22 of the conversion shaft 14, one end of the air pipe 24 is communicated with an air channel 21 on the conversion shaft 14, the other end of the water pipe 23 firstly penetrates into the grinding cylinder 2 from the feed inlet, is fixed through the support frame 26, then penetrates out of the grinding cylinder 2 from the inner side wall of the grinding cylinder 2, extends to one end of the discharge port of the grinding cylinder 2, and finally penetrates into the grinding cylinder 2 from the side wall of one end of the discharge port of the grinding cylinder 2 to be communicated with the shell 5 on the atomizing nozzle through threads, and the other end of the gas pipe 24 is communicated with the gas hole 10 on the core body 6.

Claims

1. Cooling device in central transmission tube mill grinds, including the support with rotate the mill section of thick bamboo of installing on the support, the left end of grinding a section of thick bamboo is the discharge gate, installs the sieve in this discharge gate department, grind a section of thick bamboo right-hand member and be the feed inlet, install the feeder hopper rather than inside being linked together, its characterized in that in this feed inlet department: it is still including atomizer, air water crossover sub, air water conveyer pipe, the atomizer comprises casing and core, and the through-hole has been seted up to the one end of this casing, and the other end of this casing is the opening form, seted up the basin on the lateral wall of core, the tip of this core is seted up flutedly, and this recess is linked together with the basin, has seted up the gas pocket in the recess of this core, and this core cover is put fixed mounting in the casing, and the recess of this core is linked together with the through-hole of casing, the atomizer rotates to be installed on the sieve of grinding barrel discharge gate department, air water crossover sub passes through support fixed mounting on the feeder hopper, the one end and the air water crossover sub of air water conveyer pipe are linked together, and the other end of this air water conveyer pipe wears to put into grinding barrel inside from the feed inlet earlier, then wears to put out the grinding barrel outside on grinding barrel's the inside lateral wall to extend to grinding barrel discharge gate one end, wear to put into grinding barrel inside and be linked together with the atomizer on the lateral wall of grinding barrel discharge gate one end at last from grinding barrel discharge gate one end.

2. The in-mill cooling device of a center drive tube mill according to claim 1, wherein: the air-water conversion joint comprises a shell and a conversion shaft, wherein an air inlet and a water inlet are formed in the shell, an annular air groove communicated with the air inlet is formed in the inner wall of the shell, an annular water groove communicated with the water inlet is further formed in the inner wall of the shell, an air passage communicated with the annular air groove is formed in the conversion shaft, a water passage communicated with the annular water groove is formed in the conversion shaft, and the conversion shaft is sleeved in the shell in a rotating mode.

3. The in-mill cooling device of the center drive tube mill according to claim 1 or 2, characterized in that: the air-water conveying pipe consists of a water pipe and an air pipe, the air pipe is sleeved on the inner side of the water pipe, one end of the water pipe is fixedly connected with a conversion shaft of the air-water conversion joint and communicated with a water channel of the conversion shaft, and the other end of the water pipe is communicated with a shell on the atomizing nozzle; one end of the air pipe is communicated with the air passage on the conversion shaft, and the other end of the air pipe is communicated with the air hole on the core body.

4. The in-mill cooling device of a center drive tube mill as set forth in claim 3, wherein: the water pipe is fixedly connected with the conversion shaft through a flange.

5. The in-mill cooling device of a center drive tube mill as set forth in claim 2, wherein: the water inlet is communicated with a water inlet pipe, and the air inlet is communicated with an air inlet pipe.

6. The in-mill cooling device of a center drive tube mill according to claim 1 or 2, characterized in that: the atomizing nozzle is arranged on the sieve plate through a bearing.

7. The in-mill cooling device of a center drive tube mill according to claim 1 or 2, characterized in that: the shell and the core are both cylindrical.

8. The in-mill cooling device of a center drive tube mill of claim 7, wherein: the groove at the end of the core body is in a cross shape.

9. The in-mill cooling device of a center drive tube mill according to claim 1 or 2, characterized in that: the other end of the air-water conveying pipe penetrates into the grinding cylinder from the feed inlet and is fixed through the support frame.