CN216678444U - Low-temperature ball-milling tank body and ball mill adopting same - Google Patents
Low-temperature ball-milling tank body and ball mill adopting same Download PDFInfo
- Publication number
- CN216678444U CN216678444U CN202123078055.9U CN202123078055U CN216678444U CN 216678444 U CN216678444 U CN 216678444U CN 202123078055 U CN202123078055 U CN 202123078055U CN 216678444 U CN216678444 U CN 216678444U
- Authority
- CN
- China
- Prior art keywords
- interlayer
- low
- temperature
- ball mill
- vacuum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model provides a low-temperature ball milling tank body and a ball mill adopting the same, wherein the tank body comprises an inner barrel for containing materials and grinding balls, and the key points of the technical scheme are as follows: the ball milling sealing inner barrel is characterized in that a low-temperature interlayer and a vacuum interlayer are sequentially arranged outside the ball milling sealing inner barrel from inside to outside, an interlayer cover plate is arranged on the low-temperature interlayer, an adding port for adding a refrigerant is formed in the interlayer cover plate, a gas adsorption device is arranged in the vacuum interlayer, and a vacuum extraction valve is connected to the shell of the vacuum interlayer. The vacuum interlayer is arranged outside the low-temperature interlayer, so that the low-temperature interlayer has a better heat preservation effect, and the tank body has the characteristics of wide low-temperature range, low-temperature limit, good heat preservation effect and low refrigerant consumption. The ball mill using the pot body includes a tumbling ball mill and an agitating ball mill. The power required by the two ball mills for low-temperature crushing is lower, and is only 1/4 crushed at normal temperature; the crushing efficiency (the process time is shortened) is improved by 50%; the vibration is reduced by about 1/5-1/4.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of ball mills, in particular to a low-temperature ball milling tank body and a ball mill adopting the same.
[ background of the utility model ]
The conventional ball milling technology is mainly normal-temperature ball milling, wherein a cylinder body is driven to rotate through a transmission device or an internal stirring rod is utilized to rotate at normal temperature, so that materials and grinding balls move at high speed along with the stirring rod or are continuously thrown and impacted in the ball milling tank body along with the rotation of the ball milling tank body, and the throwing, impacting and self-milling operations are completed in the cylinder body, so that the materials are ground. This is affected by the temperature increase during the particle comminution of the material, and for some very hard or elastoplastic materials (e.g. rubber, plastics), the process is inefficient in comminution and the cost of producing fine powders is very high. In addition, for metal powder with very high activity and flammable and explosive powder, higher potential safety hazard also exists in the process of ball milling at normal temperature.
According to the characteristic that most materials have cold brittleness, the difficulty in the normal-temperature ball milling process can be well solved by adopting a low-temperature ball milling method.
At present, a liquid nitrogen type roller ball mill exists, but the structural design only cools a machine box, the working temperature cannot reach the cold brittleness temperature of most materials, the function of the ball mill is only to prevent the materials to be crushed from generating undesirable physical property changes due to the high temperature in the ball milling process, and unnecessary damage is reduced; the method has the advantages that the cold medium consumption is high, the cost is not saved, and the method is only suitable for the stirring ball mill and cannot be applied to the roller ball mill equipment.
[ Utility model ] content
The utility model aims to overcome the defects of the prior art, provides a low-temperature ball milling tank body and a ball mill adopting the same, and solves the problems that the ball mill cannot be used for low-temperature grinding or has poor low-temperature grinding effect, smaller grinding application range and large refrigerant consumption in the prior art.
In order to solve the problems, the utility model is realized by the following technical scheme:
the utility model provides a low temperature ball-milling jar body, is including the interior bucket that is used for holding material and ball, its characterized in that: the ball milling sealing inner barrel is characterized in that a low-temperature interlayer and a vacuum interlayer are sequentially arranged outside the ball milling sealing inner barrel from inside to outside, an interlayer cover plate is arranged on the low-temperature interlayer, an adding port for adding a refrigerant is formed in the interlayer cover plate, a gas adsorption device is arranged in the vacuum interlayer, and a vacuum extraction valve is connected to the shell of the vacuum interlayer.
The low-temperature ball milling tank body is characterized in that: the shell of the low-temperature interlayer is provided with an interface, a heat exchange component is arranged in the low-temperature interlayer, and the heat exchange component is connected with an external refrigerator through the interface.
The low-temperature ball milling tank body is characterized in that: the gas adsorption device is arranged on the inner wall of the shell of the vacuum interlayer, a gas adsorbent is filled in the gas adsorption device, and an electric vacuum joint for heating the gas adsorbent is arranged on the shell of the vacuum interlayer.
The low-temperature ball milling tank body is characterized in that: and a radiation-proof layer for heat insulation is arranged on the inner cavity wall of the vacuum interlayer.
The low-temperature ball milling tank body is characterized in that: and a second valve and a second instrument are respectively arranged on the interlayer cover plate.
The low-temperature ball milling tank body is characterized in that: and a first valve and a first instrument are connected to the shell of the vacuum interlayer.
The low-temperature ball milling tank body is characterized in that: the refrigerant is liquid nitrogen or liquid hydrogen or liquid oxygen.
The low-temperature ball milling tank body is characterized in that: the gas adsorbent is one of molecular sieve, active carbon, oxide and alloy adsorbent or their mixture.
The utility model provides an adopt as above the tumbling ball mill of low temperature ball-milling jar body which characterized in that: the rotary drum comprises a rotary shaft which penetrates through the inner drum and is used for driving the whole tank body to rotate, and the rotary shaft is driven by a driving device to rotate.
The utility model provides an adopt as above stirring formula ball mill of low temperature ball-milling jar body which characterized in that: and a second motor is arranged right above the inner barrel and is connected with a stirring rod extending into the inner barrel.
Compared with the prior art, the utility model has the following advantages:
1. according to the low-temperature ball-milling tank body, the inner layer is the low-temperature interlayer, the outer layer is the vacuum interlayer, and the vacuum interlayer is arranged outside the low-temperature interlayer, so that the low-temperature interlayer has a better heat preservation effect, and the tank body has the characteristics of wide low-temperature range, low-temperature limit, good heat preservation effect and low refrigerant consumption.
2. The low-temperature ball milling tank body is suitable for both a drum-type ball mill and a stirring type ball mill.
3. According to the low-temperature ball milling tank body, the vacuum interlayer is provided with the gas adsorption device, the gas adsorption device is internally provided with the gas adsorbent, and the gas adsorbent can adsorb gas in the vacuum interlayer to enable the vacuum interlayer to be in a vacuum state; the gas adsorbent is electrically connected with a vacuum electric connector, the adsorption capacity of the gas adsorbent is reduced after the gas adsorbent is used for a period of time, and the gas adsorbent is heated by electrifying the vacuum electric connector to recover the adsorption capacity of the gas adsorbent; the vacuum interlayer is externally connected with a vacuum extraction valve, and the vacuum extraction valve is used for evacuating air in the vacuum interlayer when necessary, so that the vacuum interlayer is ensured to be in a high vacuum state.
4. According to the low-temperature ball milling tank body, the temperature of the ground refrigerant can be increased, the tank body can be connected with an external refrigerator through the heat exchange component, the refrigerant is cooled through the heat exchange component, the heat exchange component exchanges heat with the refrigerant with the increased temperature, the refrigerant is rapidly cooled, and a better grinding effect can be achieved.
5. The utility model has the advantages of two ball mills adopting the tank body: the power required by low-temperature grinding is lower, and is only 1/4 ground at normal temperature; the grinding efficiency (the process time is shortened) is improved by 50 percent; the noise is reduced by about 7dB, and the vibration is reduced by about 1/5-1/4; thirdly, the grinding of the same material is uniform in granularity, and the proportion of fine powder (the particle size is less than 50 microns) is high; the material of the composite material can obtain purer material after being ground, which is more favorable for the recovery of the resource; and fifthly, for the high polymer waste which is extremely difficult to grind at normal temperature and extremely high in plasticity, liquid nitrogen low-temperature grinding is adopted to obtain a material with higher utilization value.
[ description of the drawings ]
FIG. 1 is a schematic plan view of a can body according to an embodiment of the utility model;
FIG. 2 is a schematic cross-sectional view at A in FIG. 1;
FIG. 3 is a schematic plan view of a ball mill according to an embodiment of the present invention;
FIG. 4 is a schematic plan view of a second can body according to an embodiment of the utility model;
FIG. 5 is a schematic cross-sectional view at B in FIG. 4;
FIG. 6 is a schematic cross-sectional view at C in FIG. 4;
FIG. 7 is a schematic cross-sectional view of the operation of a ball mill according to the second embodiment of the present invention;
FIG. 8 is a cross-sectional schematic view of a vacuum interlayer of a can body according to the present invention.
In the figure: 1 is an inner barrel; 2 is a low-temperature interlayer; 3 is a vacuum interlayer; 4 is a sandwich cover plate; 5 is a gas adsorption device; 6 is a vacuum extraction valve; 7 is a heat exchange component; 8 is a radiation-proof layer; 9 is an electric vacuum joint; 10 is a rotating shaft; 11 is a driving device; 12 is a grinding ball; 21 is an interface; 31 is a first valve; 32 is a first meter; 41 is a second valve; 42 is a second meter; 43 is an addition port; 101 is a first gear; 102 is a second gear; 103 is a first motor; 104 is a second motor; 105 is a stirring rod.
[ detailed description ] embodiments
The technical features of the present invention will be described in further detail with reference to the accompanying drawings so that those skilled in the art can understand the technical features.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., it indicates the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and it is only for convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and should not be construed as limiting the specific scope of the present invention.
As shown in fig. 1 to 8, a low temperature ball milling tank comprises an inner barrel 1 for containing materials and grinding balls 12, a low temperature interlayer 2 and a vacuum interlayer 3 are sequentially arranged outside the ball milling sealed inner barrel 1 from inside to outside, an interlayer cover plate 4 is arranged on the low temperature interlayer 2, an adding port 41 for adding a refrigerant is arranged on the interlayer cover plate 4, a gas adsorption device 5 is arranged in the vacuum interlayer 3, and a vacuum extraction valve 6 is connected on the shell of the vacuum interlayer 3. The tank body is designed into a double-interlayer structure, the inner layer is a low-temperature interlayer 2, the outer layer is a vacuum interlayer 3, and the vacuum interlayer 3 enables the low-temperature interlayer 2 to have a better heat preservation effect, so that the tank body has the characteristics of wide low-temperature range, low-temperature limit, good heat preservation effect and less refrigerant consumption.
Specifically, the refrigerant is provided to keep the low-temperature interlayer 2 in a low-temperature state, and specifically, the refrigerant may be liquid nitrogen or liquid hydrogen or liquid oxygen.
Specifically, the gas adsorbent 5 is arranged to adsorb air in the vacuum interlayer 3, and the vacuum extraction valve 6 is arranged to evacuate air in the vacuum interlayer 3 by using the vacuum extraction valve 6 if necessary, so as to ensure that the vacuum interlayer 3 is always in a high vacuum state.
In addition, the shell of the low-temperature interlayer 2, the shell of the vacuum interlayer 3 and the interlayer cover plate 4 are preferably made of stainless steel, and the connection mode is preferably welding.
In addition, a connector 21 is arranged on the shell of the low-temperature interlayer 2, a heat exchange component 7 is arranged in the low-temperature interlayer 2, and the heat exchange component 7 is connected with an external refrigerator through the connector 21. The temperature of the refrigerant after grinding can rise, and the jar body can be connected with external refrigerator through heat transfer part 7, through heat transfer part 7 to the refrigerant cooling, heat transfer part 7 and the refrigerant exchange heat that the temperature rose make refrigerant rapid cooling, can reach better grinding effect.
Specifically, the refrigerator can be a Giftord-Memmarflood cycle refrigerator, a Stirling cycle refrigerator, or a pulse tube refrigerator, a cryogenic trapping pump polycold refrigerator; the heat exchange member 7 may be a coil, a cold shield, or the like.
In addition, the gas adsorption device 5 is arranged on the inner wall of the shell of the vacuum interlayer 3, the gas adsorbent is filled in the gas adsorption device 5, and the shell of the vacuum interlayer 3 is provided with an electric vacuum joint 9 for heating the gas adsorbent.
Specifically, the gas adsorbent is one of molecular sieve, activated carbon, oxide and alloy adsorbent or a mixture thereof. The gas adsorbent 5 is used for a while and then the adsorption capacity thereof is restored by heating the gas adsorbent 5 by energizing the vacuum electric connector 9.
In addition, for better heat insulation, a radiation-proof layer 8 is plated on the inner cavity wall of the vacuum interlayer 3.
Furthermore, a second valve 41 and a second meter 42 are provided on the intermediate lid 4. During or after grinding, the temperature of the low-temperature interlayer 2 changes, so that the air pressure in the low-temperature interlayer 2 changes, the air pressure in the low-temperature interlayer 2 is stabilized by deflating or inflating the second valve 41, and the air pressure in the low-temperature interlayer 2 is confirmed to be stable by observing the second instrument 42.
Furthermore, a first valve 31 and a first meter 32 are connected to the housing of the vacuum chamber 3. The vacuum interlayer 3 is always in a vacuum state and keeps the air pressure stable by pumping through the first valve 31, and the air pressure of the vacuum interlayer 3 can be observed through the first instrument 32.
The utility model also applies to protect the following two ball mills adopting the tank body, and the first embodiment is a drum type ball mill adopting the tank body; example two is a stirred ball mill using the above pot.
The first embodiment is as follows: a tumbling-box ball mill adopting the tank body comprises a rotating shaft 10 which penetrates through an inner barrel 1 and is used for driving the whole tank body to rotate, and the rotating shaft 10 is driven to rotate by a driving device 11. Specifically, a first motor 103 is arranged outside the tank body, the first motor 103 is coaxially connected with a first gear 101, the first gear 101 is meshed with a second gear 102, the second gear 102 is fixedly connected with a rotating shaft 10 capable of driving the tank body 2 to rotate, and the driving device 11 comprises the first motor 103, the first gear 101 and the second gear 102.
The working principle is as follows: in operation, the can body is laid horizontally as shown in fig. 3. First motor 103 drives first gear 101 and rotates, because first gear 101 and second gear 102 mesh to second gear 102 rotates, second gear 102 is connected with pivot 10, and pivot 10 and the coaxial fixed connection of jar body, thereby second gear 102 drives jar body through pivot 10 and rotates. The inner barrel 1 of the tank body is internally provided with materials and grinding balls 12, and the tank body rotates to drive the materials to be fully contacted with the grinding balls 12 and ground.
The second embodiment: a stirring ball mill adopting the tank body is characterized in that a second motor 104 is arranged right above an inner barrel 1, and the second motor 104 is connected with a stirring rod 105 extending into the inner barrel 1.
The working principle is as follows: in use, the tank is placed vertically as shown in figure 7. The stirring rod 105 is driven by the second motor 104 to fully stir the materials in the inner barrel 1 and the grinding balls 12 for grinding.
The embodiments of the utility model have been described only by way of preferred embodiments of the utility model and are not limited to the precise arrangements that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof, which is limited only by the claims appended hereto. Without departing from the design concept of the present invention, various modifications and improvements of the technical solution of the present invention made by the engineers in the field shall fall into the protection scope of the present invention.
Claims (10)
1. The utility model provides a low temperature ball-milling jar body, is including interior bucket (1) that is used for holding material and ball (12), its characterized in that: the ball-milling sealed inner barrel (1) is sequentially provided with a low-temperature interlayer (2) and a vacuum interlayer (3) from inside to outside, the low-temperature interlayer (2) is provided with an interlayer cover plate (4), the interlayer cover plate (4) is provided with an adding port (43) for adding a refrigerant, the vacuum interlayer (3) is internally provided with a gas adsorption device (5), and the shell of the vacuum interlayer (3) is connected with a vacuum extraction valve (6).
2. The cryogenic ball mill tank of claim 1, wherein: the shell of the low-temperature interlayer (2) is provided with an interface (21), the low-temperature interlayer (2) is internally provided with a heat exchange component (7), and the heat exchange component (7) is connected with an external refrigerator through the interface (21).
3. The cryogenic ball mill tank of claim 1, wherein: the gas adsorption device (5) is arranged on the inner wall of the shell of the vacuum interlayer (3), a gas adsorbent is arranged in the gas adsorption device (5), and an electric vacuum joint (9) for heating the gas adsorbent is arranged on the shell of the vacuum interlayer (3).
4. The cryogenic ball mill tank of claim 1, wherein: and a radiation-proof layer (8) for heat insulation is arranged on the inner cavity wall of the vacuum interlayer (3).
5. The cryogenic ball mill canister body of claim 1, wherein: and a second valve (41) and a second instrument (42) are respectively arranged on the interlayer cover plate (4).
6. The cryogenic ball mill tank of claim 1, wherein: a first valve (31) and a first meter (32) are connected to the shell of the vacuum interlayer (3).
7. The cryogenic ball mill tank of claim 1, wherein: the refrigerant is liquid nitrogen or liquid hydrogen or liquid oxygen.
8. The cryogenic ball mill tank of claim 3, wherein: the gas adsorbent is one of molecular sieve, active carbon, oxide and alloy adsorbent or their mixture.
9. A bowl mill employing the cryogenic ball mill pot of any of claims 1 to 8, characterized in that: the inner barrel comprises a rotating shaft (10) which penetrates through the inner barrel (1) and is used for driving the whole tank body to rotate, and the rotating shaft (10) is driven to rotate by a driving device (11).
10. An agitator ball mill employing the cryogenic ball mill pot of any of claims 1 to 8, characterized in that: a second motor (104) is arranged right above the inner barrel (1), and the second motor (104) is connected with a stirring rod (105) extending into the inner barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123078055.9U CN216678444U (en) | 2021-12-08 | 2021-12-08 | Low-temperature ball-milling tank body and ball mill adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123078055.9U CN216678444U (en) | 2021-12-08 | 2021-12-08 | Low-temperature ball-milling tank body and ball mill adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216678444U true CN216678444U (en) | 2022-06-07 |
Family
ID=81838996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123078055.9U Active CN216678444U (en) | 2021-12-08 | 2021-12-08 | Low-temperature ball-milling tank body and ball mill adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216678444U (en) |
-
2021
- 2021-12-08 CN CN202123078055.9U patent/CN216678444U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1327549C (en) | Hydrogen storage powder and process for preparing same | |
| CN106532005A (en) | Spherical or sphere-like lithium battery cathode material, battery and manufacturing method and application | |
| CN107814383A (en) | A kind of lithium ion battery modification of microcrystalline graphite cathode material and its production and use | |
| Zhao et al. | Pulsed electric field controlled lithium extraction process by LMO/MXene composite electrode from brines | |
| CN216678444U (en) | Low-temperature ball-milling tank body and ball mill adopting same | |
| CN106531990A (en) | Preparation method for graphene composite electrode material for lithium ion battery | |
| CN204074008U (en) | Reactor magnetic couple agitator | |
| CN108832116A (en) | A kind of sheet metal lithium powder and preparation method thereof | |
| CN104226985B (en) | A kind of AB 3the nickel plating method of modifying of type hydrogen storage alloy | |
| CN213557589U (en) | Glossy ganoderma spore broken wall equipment | |
| CN218281425U (en) | Mixing preparation device for producing atmospheric and vacuum corrosion inhibitor | |
| CN108281661A (en) | A kind of graphene carbon nanotube modified anode material stand-by provision and preparation method | |
| CN109148848A (en) | A kind of preparation method for the lithium sulfur battery anode material possessing high-tap density and high volume energy density | |
| JP2008536782A (en) | Compound synthesis | |
| CN104923352A (en) | Airtight pulverizer and application thereof | |
| CN101857215B (en) | Preparation method of high tap density lithium iron phosphate (LiFePO4) | |
| CN208050029U (en) | A kind of broken equipment of bulk coal powder | |
| CN112246376B (en) | Raw material grinding device for chemical machinery | |
| CN109888244A (en) | A kind of graphene coated graphitization coal negative electrode material, battery and preparation method thereof | |
| CN112058410B (en) | Multi-station ball milling mechanism for recycling neodymium iron boron waste and implementation method thereof | |
| CN207102762U (en) | Automatically control continuous refrigeration grinding machine | |
| CN118079853A (en) | Gas adsorption material for vacuum insulation panel and preparation process thereof | |
| CN208071782U (en) | Oxygen-free copper foundry furnace | |
| CN207095952U (en) | Microwave soil digestion device | |
| JP2004306016A (en) | Apparatus and method for manufacturing hydrogen storage body, and hydrogen storage body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |