CN211755609U

CN211755609U - Ball mill

Info

Publication number: CN211755609U
Application number: CN202020254690.4U
Authority: CN
Inventors: 洪跃明; 刘清竹
Original assignee: Xiamen Lijieyuan Construction Waste Soil Resource Recycling Disposal Co ltd; Xiamen Junxingfu Industry Co ltd
Current assignee: Xiamen Lijieyuan Construction Waste Soil Resource Recycling Disposal Co ltd; Xiamen Junxingfu Industry Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-10-27
Anticipated expiration: 2030-03-04

Abstract

The utility model relates to a ball mill, which comprises a cylinder body, wherein a feed inlet and a discharge outlet are arranged at the two ends of the cylinder body, an air outlet pipe is arranged on the discharge hole, an exhaust fan is arranged at one end of the air outlet pipe far away from the discharge hole, the air outlet of the exhaust fan is communicated with a condensation pipe, the condensation pipe comprises an outer pipe and an inner pipe, the outer pipe and the inner pipe form an accommodating cavity, the containing cavity is internally provided with water, two ends of the outer tube are provided with circulating tubes communicated with the containing cavity, a cooling chamber is communicated between the two circulating tubes, a water collecting barrel is arranged on the lower side surface of the inner pipe and on the side far away from the exhaust fan, an air inlet pipe is arranged at one end of the condensation pipe far away from the exhaust fan, the condenser pipe is kept away from to the intake pipe one end with the feed inlet is linked together, be provided with temperature sensor in the barrel, temperature sensor and air exhauster electric connection. The utility model has the advantages of reduce the inside vapor of ball mill, avoid producing the condition of pasting and grinding and take place.

Description

Ball mill

Technical Field

The utility model belongs to the technical field of ball-milling equipment, especially, relate to a ball mill.

Background

As is known, a ball mill is a key device for crushing materials after the materials are crushed, and is widely applied to production industries of cement, silicate products, novel building materials, refractory materials, chemical fertilizers, black and non-ferrous metal ore dressing, glass ceramics and the like, dry-type or wet-type grinding is carried out on various ores and other grindable materials, the ball mill is suitable for grinding various ores and other materials, is widely applied to industries of ore dressing, building materials, chemical engineering and the like, and can be divided into two ore grinding modes of dry type and wet type.

A ball mill is disclosed in chinese utility model patent publication No. CN 206425031U. This ball mill includes: a feeding section having a feed inlet and a feed end liner; the barrel body part is provided with a rotatable ball milling barrel, and one end of the ball milling barrel is connected with the feeding part; the discharging part is connected with the other end of the ball grinding cylinder and is provided with a discharging end lining plate and a discharging port.

However, the ball mill generates a large amount of heat energy due to friction when grinding materials, so that the internal temperature is raised, the ground materials such as cement contain more or less moisture (generally 1% -6%), the moisture in the materials is changed into water vapor due to temperature rise during grinding, the ball mill is very easy to generate paste grinding in a high-temperature and high-humidity environment, the paste grinding is more and more serious along with the time under the condition of not changing working conditions, the operation may have to be stopped finally, the paste grinding can be recovered after manual treatment, the yield, the quality and the operation rate are seriously affected, and the unit energy consumption is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ball mill that has the inside vapor that reduces of reducing, avoids producing and pastes the mill condition and take place to prior art not enough.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a ball mill, includes the barrel, the both ends of barrel are provided with feed inlet and discharge gate, be provided with the outlet duct on the discharge gate, the one end of keeping away from the discharge gate of outlet duct is provided with the air exhauster, the air outlet intercommunication of air exhauster has the condenser pipe, the condenser pipe includes outer tube and inner tube, outer tube and inner tube form and hold the chamber, it is provided with water to hold the intracavity, the both ends of outer tube be provided with hold the circulating pipe of chamber intercommunication, two the intercommunication has the cooling chamber between the circulating pipe, the inner tube downside just keeps away from one side of air exhauster and is provided with the sump pit, the one end that the air exhauster was kept away from to the condenser pipe is provided with the intake pipe, the one end that the condenser pipe was kept away from.

Through adopting above-mentioned technical scheme, when temperature sensor senses the internal high temperature of barrel, start the air exhauster, the air exhauster passes through the outlet duct with the air and vapor in the barrel and takes out, air and vapor pass through in the outlet duct gets into the condenser pipe, the water vapor condensation becomes the water droplet and flows into the water catch bowl along the inner tube under the effect of air exhauster in, through the air temperature reduction in the condenser pipe, air after the cooling down flows into in the barrel along the intake pipe, reduce the temperature in the barrel, the high condition that leads to pasting the mill in avoiding the barrel takes place.

The present invention may be further configured in a preferred embodiment as: the cooling chamber comprises a shell, a cooling pipe is arranged in the shell, two ends of the cooling pipe are communicated with corresponding circulating pipes, a water pump is arranged on the circulating pipes, a containing cavity is formed between the shell and the cooling pipe, and cooling liquid is arranged in the containing cavity.

Through adopting above-mentioned technical scheme, start the water pump, the water pump drives water and is holding chamber, circulating pipe and the intraductal circulation of cooling tube and flow, and when the condenser pipe water condensed vapor, the temperature risees and gets into in the cooling tube through the circulating pipe, and water carries out the heat exchange with the coolant liquid for the temperature reduces, and gets into and hold the intracavity and carry out the condensation work, thereby makes the cooling effect of condenser pipe better.

Furthermore, a plurality of semiconductor refrigeration pieces are arranged in the accommodating cavity.

Through adopting above-mentioned technical scheme, when cooling down to the cooling tube water-logging, on the heat conduction of water was to the coolant liquid to make the temperature of coolant liquid constantly rise, the setting of semiconductor refrigeration piece can reduce the temperature of coolant liquid, prolongs the live time of coolant liquid, thereby improves the cooling effect of cooling tube.

Further, the cooling pipe is in a threaded shape.

Through adopting above-mentioned technical scheme, set up the shape of cooling tube into the screw thread form, can prolong the dwell time of water in the cooling tube, improved water and coolant liquid and carried out the time of heat exchange to the cooling effect of cooling tube has been promoted.

Furthermore, the shape of condenser pipe is the L type, the height that highly is less than condenser pipe air outlet position of condenser pipe air intake position, the water catch bowl is located the condenser pipe department of buckling.

Through adopting above-mentioned technical scheme, the water droplet is become in the steam condensation to in flowing into the water catch bowl along the condenser pipe, the shape of condenser pipe is the setting of L type, can avoid the water droplet to carry out in the barrel along the condenser pipe through the intake pipe, thereby make the water that reduces to get into in the barrel.

Furthermore, a drying layer is arranged on the inner wall of the condensing pipe between the water collecting barrel and the air outlet.

Through adopting above-mentioned technical scheme, the setting of drying layer can adsorb the vapor in the air to make the more dry that gets into in the barrel.

Furthermore, a plurality of bulges are arranged on the inner wall of the condensation pipe, and grooves which are embedded with the corresponding bulges are arranged on the surface of the drying layer.

Through adopting above-mentioned technical scheme, the inner wall at the condenser pipe can be installed to recess and bellied setting that can make the drying layer can be more stable.

Further, the lateral wall of outlet duct is provided with the pressure release mouth, it has pressure release board to articulate on the pressure release mouth.

Through adopting above-mentioned technical scheme, vapor is more in the barrel, when leading to the barrel internal pressure intensity too big, opens the pressure release board for vapor leaks through the pressure release mouth, thereby has reduced the content of vapor in the barrel.

To sum up, the utility model discloses a following at least one useful technological effect:

when the temperature sensor senses that the temperature in the barrel is too high, the exhaust fan is started, air and steam in the barrel are exhausted by the exhaust fan through the air outlet pipe, the air and the steam enter the condensation pipe through the air outlet pipe, the steam is condensed into water drops and flows into the water collecting barrel along the inner pipe under the action of the exhaust fan, the temperature of the air in the condensation pipe is reduced, the air with the reduced temperature flows into the barrel along the air inlet pipe, the temperature in the barrel is reduced, and the condition that the temperature in the barrel is too high to cause frosting is avoided;

the water pump is started through the arrangement of the cooling chamber, the water pump drives water to circularly flow in the accommodating cavity, the circulating pipe and the cooling pipe, when water in the condensing pipe condenses water vapor, the water temperature rises and enters the cooling pipe through the circulating pipe, and the water exchanges heat with cooling liquid to reduce the water temperature and enter the accommodating cavity for condensation, so that the cooling effect of the condensing pipe is better;

through the setting of pressure release board and pressure release mouth, vapor is more in the barrel, when leading to the barrel internal pressure intensity too big, opens the pressure release board for vapor leaks through the pressure release mouth, thereby has reduced the content of vapor in the barrel.

Drawings

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

FIG. 2 is a front view of the present embodiment;

FIG. 3 is a schematic cross-sectional view of a highlighted cavity.

Reference numerals: 1. a barrel; 2. a feed inlet; 3. a discharge port; 4. an air outlet pipe; 5. an exhaust fan; 6. a condenser tube; 61. an outer tube; 62. an inner tube; 7. an air inlet pipe; 8. a water collection barrel; 9. an accommodating chamber; 10. a circulation pipe; 11. a cooling chamber; 111. a housing; 112. a cooling tube; 113. a cavity; 114. cooling liquid; 115. a water pump; 12. a semiconductor refrigeration sheet; 13. drying the layer; 14. a protrusion; 15. a groove; 16. a pressure relief port; 17. a pressure relief plate; 18. a hasp is provided.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a ball mill, including barrel 1, feed inlet 2 and discharge gate 3 have been seted up at barrel 1's both ends, and the intercommunication has outlet duct 4 on the discharge gate 3, and outlet duct 4 is kept away from the one end of barrel 1 and is installed air exhauster 5, and air outlet intercommunication of air exhauster 5 has condenser pipe 6, and condenser pipe 6 keeps away from the one end intercommunication of air exhauster 5 and has intake pipe 7, and the other end and the feed inlet 2 of intake pipe 7 are linked together, installs temperature sensor (not marked in the figure) in the barrel 1, temperature sensor and 5 electric connection of air exhauster.

It is worth mentioning that a pressure relief opening 16 is formed in the side wall of the air outlet pipe 4, a pressure relief plate 17 is connected to the pressure relief opening 16 in an intersecting manner, and the pressure relief plate 17 is locked on the pressure relief opening 16 through a hasp 18. When the pressure in the cylinder 1 is too high due to more water vapor in the cylinder 1, the pressure relief plate 17 is opened, so that the water vapor leaks out through the pressure relief opening 16, and the content of the water vapor in the cylinder 1 is reduced.

Then, as shown in fig. 3, the condensation pipe 6 includes an outer pipe 61 and an inner pipe 62, a water collecting tank 8 is connected to the lower side of the inner pipe 62 and the side far away from the exhaust fan 5, a containing cavity 9 is formed between the outer pipe 61 and the inner pipe 62, water is filled in the containing cavity 9, two ends of the outer pipe 61 are connected to circulation pipes 10, and a cooling chamber 11 is connected between the two circulation pipes 10.

The cooling chamber 11 includes a housing 111, a cooling pipe 112 communicating with the two circulation pipes 10 is installed in the housing 111, a cavity 113 is formed between the housing 111 and the cooling pipe 112, the cavity 113 is filled with a cooling liquid 114, and a water pump 115 is installed on the circulation pipe 10. The water pump 115 is started, the water pump 115 drives water to circularly flow in the accommodating cavity 9, the circulating pipe 10 and the cooling pipe 112, when water condenses water vapor in the condensation pipe 6, the water temperature rises and enters the cooling pipe 112 through the circulating pipe 10, and the water exchanges heat with the cooling liquid 114, so that the water temperature is reduced, and the water enters the accommodating cavity 9 to be condensed, and therefore the cooling effect of the condensation pipe 6 is better.

Then, in order to improve the cooling effect of cooling tube 112, install a plurality of semiconductor refrigeration pieces 12 in appearance chamber 113, when cooling to water in cooling tube 112, the heat conduction of water is on coolant 114 to make coolant 114's temperature rise constantly, can reduce coolant 114's temperature through semiconductor refrigeration piece 12, prolong coolant 114's live time, thereby improve cooling tube 112's cooling effect.

It is worth mentioning that the shape of the cooling pipe 112 is provided in a screw shape. The shape of the cooling pipe 112 is a screw thread shape, so that the retention time of water in the cooling pipe 112 can be prolonged, the heat exchange time of the water and the cooling liquid 114 is prolonged, and the cooling effect of the cooling pipe 112 is improved.

The shape of condenser pipe 6 is the L type, and the height in 6 air intake positions of condenser pipe is lower than the height in 6 air outlet positions of condenser pipe, and water catch bowl 8 is linked together with 6 bending parts of condenser pipe. The water vapor is liquefied in the condensation pipe 6, water drops enter the water collecting barrel 8 along the condensation pipe 6, and meanwhile, the L-shaped condensation pipe 6 prevents the water drops from entering the barrel body 1 along the condensation pipe 6 through the air inlet pipe 7.

Then, a drying layer 13 is installed on the inner wall of the condensation pipe 6 between the water collecting barrel 8 and the air outlet, and the main component of the drying layer 13 is montmorillonite. The water vapor in the air can be adsorbed by the montmorillonite, so that the water vapor entering the barrel body 1 is drier.

In order to stably mount the drying layer 13 on the inner wall of the condensation pipe 6, a plurality of protrusions 14 are integrally formed on the inner wall of the condensation pipe 6, and grooves 15 which are embedded with the protrusions 14 are formed on the drying layer 13.

The implementation principle of the embodiment is as follows: when temperature sensor senses the interior high temperature of barrel 1, start air exhauster 5, air exhauster 5 takes out air and vapor in with barrel 1 through outlet duct 4, air and vapor pass through in outlet duct 4 entering condenser pipe 6, the water vapor condensation becomes the water droplet and flows into in the water catch bowl 8 along inner tube 62 under the effect of air exhauster 5, reduce through the air temperature in condenser pipe 6, air after the cooling is in 7 inflow barrel 1 of intake pipe, reduce the temperature in the barrel 1, avoid the condition emergence that the high temperature leads to the paste mill in the barrel 1.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a ball mill, includes barrel (1), the both ends of barrel (1) are provided with feed inlet (2) and discharge gate (3), its characterized in that: the improved water-saving device is characterized in that an air outlet pipe (4) is arranged on the discharge port (3), one end of the air outlet pipe (4) far away from the discharge port (3) is provided with an air exhauster (5), an air outlet of the air exhauster (5) is communicated with a condensation pipe (6), the condensation pipe (6) comprises an outer pipe (61) and an inner pipe (62), the outer pipe (61) and the inner pipe (62) form a containing cavity (9), water is arranged in the containing cavity (9), circulating pipes (10) communicated with the containing cavity (9) are arranged at two ends of the outer pipe (61), a cooling chamber (11) is communicated between the two circulating pipes (10), one side of the lower side surface of the inner pipe (62) far away from the air exhauster (5) is provided with a water collecting barrel (8), one end of the condensation pipe (6) far away from the air exhauster (5) is provided with an air inlet pipe (7), one end of the condensation, a temperature sensor is arranged in the barrel body (1) and is electrically connected with the exhaust fan (5).

2. A ball mill according to claim 1, wherein: the cooling chamber (11) comprises a shell (111), a cooling pipe (112) is arranged in the shell (111), two ends of the cooling pipe (112) are communicated with corresponding circulating pipes (10), a water pump (115) is arranged on the circulating pipes (10), a containing cavity (113) is formed between the shell (111) and the cooling pipe (112), and cooling liquid (114) is arranged in the containing cavity (113).

3. A ball mill according to claim 2, wherein: the accommodating cavity (113) is internally provided with a plurality of semiconductor refrigerating sheets (12).

4. A ball mill according to claim 2, wherein: the cooling pipe (112) is threaded.

5. A ball mill according to claim 1, wherein: the shape of condenser pipe (6) is the L type, the height that highly is less than condenser pipe (6) air outlet position of condenser pipe (6) air intake position, water catch bowl (8) are located condenser pipe (6) department of buckling.

6. A ball mill according to claim 5, wherein: and a drying layer (13) is arranged on the inner wall of the condensation pipe (6) between the water collecting barrel (8) and the air outlet.

7. A ball mill according to claim 6, wherein: the inner wall of the condensation pipe (6) is provided with a plurality of bulges (14), and the surface of the drying layer (13) is provided with grooves (15) which are embedded with the corresponding bulges (14).

8. A ball mill according to claim 1, wherein: the lateral wall of outlet duct (4) is provided with pressure release mouth (16), it has pressure release board (17) to articulate on pressure release mouth (16).