CN216261239U - Liquid nitrogen freezing ultrafine grinder - Google Patents
Liquid nitrogen freezing ultrafine grinder Download PDFInfo
- Publication number
- CN216261239U CN216261239U CN202121576180.XU CN202121576180U CN216261239U CN 216261239 U CN216261239 U CN 216261239U CN 202121576180 U CN202121576180 U CN 202121576180U CN 216261239 U CN216261239 U CN 216261239U
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- liquid nitrogen
- fan blade
- screw feeder
- chamber
- ultrafine grinder
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Abstract
The utility model relates to a liquid nitrogen freezing ultrafine grinder which comprises a rack, wherein a grinding chamber and a fan blade chamber are arranged on the rack, the fan blade chamber is positioned on one side of the grinding chamber, a linear screw feeder is arranged in front of the grinding chamber, a feed hopper is arranged in front of the linear screw feeder, the rear part of the linear screw feeder is connected with the grinding chamber through a feed pipe, a nozzle support is arranged on the linear screw feeder, a front liquid nitrogen nozzle and a rear liquid nitrogen nozzle are arranged on the nozzle support, and the lower end of the liquid nitrogen nozzle extends into the linear screw feeder. According to the liquid nitrogen freezing ultrafine grinder, the linear screw feeder is adopted for feeding, the plurality of liquid nitrogen nozzles are arranged on the linear screw feeder, materials can be fully mixed with liquid nitrogen through the feeding screw in the feeding process, and the final grinding effect is effectively guaranteed.
Description
Technical Field
The utility model relates to a liquid nitrogen freezing ultrafine grinder, and belongs to the technical field of grinding equipment.
Background
With the continuous development of modern medicine, food and chemical industry, people have higher and higher requirements on material refinement. However, when materials are crushed by a common machine, the temperature rises, which easily causes the quality and the components of the materials to be reduced, and when materials such as spices, meat, Chinese herbal medicines, chocolate and the like are crushed at normal temperature, the materials are easy to be bonded, blocked and the temperature rise quality is changed, so that the crushing effect and the efficiency are poor. The common crushing means can not meet the production requirements of the new era.
The hardness and brittleness of the material increase along with the reduction of the temperature, the shaping and toughness decrease, and the material is crushed by a small force at a certain temperature. At present, a liquid nitrogen freezing pulverizer appears in the market, liquid nitrogen is used as a cold source, pulverized materials are cooled by the liquid nitrogen to realize an embrittled state at a low temperature, then the pulverized materials enter a pulverizing chamber to be pulverized, and the pulverized materials achieve the pulverizing effect under the comprehensive actions of repeated impact, collision, shearing, friction and the like among the materials, blades and fluted discs. However, in the existing freezing pulverizer, an impeller in a pulverizing chamber is arranged on a transmission shaft, and a fluted disc is arranged on an end cover of the pulverizing chamber, so that only one pulverizing process is needed, and the final pulverizing fineness and uniformity of materials cannot be effectively ensured.
The utility model discloses a 201921266000.0 utility model discloses a liquid nitrogen refrigeration rubbing crusher, it includes the frame, glassware under feed cylinder, crushing room, fan blade room and the whirlwind has set gradually from left to right in the frame, wear to be equipped with first transmission shaft in the crushing room, be provided with straight blade disc or movable cutter head in the first transmission shaft, first transmission shaft is a hollow shaft, the second transmission shaft is worn to be equipped with at first transmission shaft center, be provided with the classification wheel on the second transmission shaft, it is provided with straight ring gear and water conservancy diversion circle to smash the indoor wall. Above-mentioned rubbing crusher returns the rubbing crusher mechanism through the classifying wheel with the material that does not satisfy the fineness requirement and carries out the regrinding, can effectively guarantee the final fineness of smashing and the homogeneity of material. However, the cold source tank in the liquid nitrogen freezing pulverizer is respectively connected with the charging barrel and the pulverizing chamber through the cold source pipeline, so that the materials cannot be fully mixed with the liquid nitrogen, and the final pulverizing effect cannot be effectively ensured.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a liquid nitrogen freezing ultrafine pulverizer aiming at the prior art, wherein a linear screw feeder is adopted for feeding, a plurality of liquid nitrogen nozzles are arranged on the linear screw feeder, the material and the liquid nitrogen can be fully mixed through a feeding screw in the feeding process, and the final pulverizing effect is effectively ensured.
The technical scheme adopted by the utility model for solving the problems is as follows: the utility model provides a frozen super little rubbing crusher of liquid nitrogen, it includes the frame, be provided with crushing room and fan blade room in the frame, the fan blade room is located crushing room one side, it is provided with sharp screw feeder to smash room the place ahead, sharp screw feeder front portion is provided with the feeder hopper, be connected through the inlet pipe between sharp screw feeder rear portion and the crushing room, be provided with nozzle holder on the sharp screw feeder, a plurality of liquid nitrogen nozzles around being provided with on the nozzle holder, liquid nitrogen nozzle lower extreme stretches into in the sharp screw feeder.
Optionally, the crushing chamber is connected with the fan blade chamber through a first discharge pipe.
Optionally, a cyclone discharging device is arranged on one side of the frame, and the cyclone discharging device is connected with the fan blade chamber through a second discharging pipe.
Optionally, a liquid nitrogen inlet is formed in the feeding pipe, and the top of the cyclone discharging device is connected with the liquid nitrogen inlet through a liquid nitrogen recovery pipe.
Optionally, a charging barrel is arranged below the cyclone discharging device, and the cyclone discharging device is connected with the charging barrel through a cloth bag.
Optionally, a regulating valve is arranged on the liquid nitrogen recovery pipe.
Optionally, a crushing mechanism and a grading mechanism are arranged in the crushing chamber, a main motor and a grading motor are arranged below the crushing chamber, and the main motor and the grading motor are respectively used for driving the crushing mechanism and the grading mechanism.
Optionally, a fan blade mechanism is arranged in the fan blade chamber, and a fan blade motor is arranged below the fan blade chamber and used for driving the fan blade mechanism.
Compared with the prior art, the utility model has the advantages that:
1. according to the utility model, the linear screw feeder is adopted for feeding, the plurality of liquid nitrogen nozzles are arranged on the linear screw feeder, and the material and the liquid nitrogen can be fully mixed through the feeding screw in the feeding process, so that the final crushing effect is effectively ensured;
2. according to the utility model, the grading mechanism is arranged in the crushing chamber, materials meeting the fineness requirement are conveyed to the cyclone feeder through the self-suction fan, materials not meeting the fineness requirement are returned to the crushing chamber for secondary crushing, the final crushing fineness and uniformity of the materials can be effectively ensured, the crushing fineness can reach 50-300 meshes, and the final crushing effect is effectively ensured;
3. a liquid nitrogen recovery pipe is arranged between the cyclone feeder and the crushing chamber, so that part of liquid nitrogen flowing out along with materials can be recovered and sent to the crushing chamber for recycling, the waste of nitrogen is saved, and the smoothness of the feed hopper, the crushing chamber and the cyclone feeder is ensured;
4. according to the utility model, the linear screw feeder is adopted for feeding, so that oily traditional Chinese medicinal materials, slightly viscous materials and the like can enter the crushing chamber more conveniently than the precooling barrel, and the material blockage phenomenon can be effectively prevented.
Drawings
FIG. 1 is a schematic structural diagram of a liquid nitrogen freezing ultrafine pulverizer of the present invention.
Fig. 2 is a side view of fig. 1.
Wherein:
Crushing chamber 2
Vane chamber 3
Feed hopper 5
Feed pipe 6
Nozzle holder 7
Liquid nitrogen recovery pipe 13
Cartridge 14
Regulating valve 16
A fan motor 19.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 and 2, the liquid nitrogen freezing ultrafine pulverizer in the embodiment includes a frame 1, a crushing chamber 2 and a vane chamber 3 are provided on the frame 1, the vane chamber 3 is located on one side of the crushing chamber 2, a linear screw feeder 4 is provided in front of the crushing chamber 2, a feed hopper 5 is provided in front of the linear screw feeder 4, a rear portion of the linear screw feeder 4 is connected to the crushing chamber 2 through a feed pipe 6, a nozzle support 7 is provided on the linear screw feeder 4, a plurality of liquid nitrogen nozzles 8 are provided on the nozzle support 7, and a lower end of the liquid nitrogen nozzle 8 extends into the linear screw feeder 4;
the crushing chamber 2 is connected with the fan blade chamber 3 through a first discharge pipe 9;
a cyclone discharging device 10 is arranged on one side of the rack 1, and the cyclone discharging device 10 is connected with the fan blade chamber 3 through a second discharging pipe 11;
a liquid nitrogen inlet 12 is formed in the feeding pipe 6, and the top of the cyclone blanking device 10 is connected with the liquid nitrogen inlet 12 through a liquid nitrogen recovery pipe 13;
a charging barrel 14 is arranged below the cyclone feeder 10, and the cyclone feeder 10 is connected with the charging barrel 14 through a cloth bag 15;
the liquid nitrogen recovery pipe 13 is provided with an adjusting valve 16;
a crushing mechanism and a grading mechanism are arranged in the crushing chamber 2, a main motor 17 and a grading motor 18 are arranged below the crushing chamber 2, and the main motor 17 and the grading motor 18 are respectively used for driving the crushing mechanism and the grading mechanism;
the fan blade mechanism is arranged in the fan blade chamber 3, the fan blade motor 19 is arranged below the fan blade chamber 3, and the fan blade motor 19 is used for driving the fan blade mechanism.
In addition to the above embodiments, the present invention also includes other embodiments, and any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a frozen superfine rubbing crusher of liquid nitrogen which characterized in that: it includes frame (1), be provided with crushing room (2) and fan blade room (3) on frame (1), fan blade room (3) are located crushing room (2) one side, crushing room (2) the place ahead is provided with sharp screw feeder (4), sharp screw feeder (4) front portion is provided with feeder hopper (5), be connected through inlet pipe (6) between sharp screw feeder (4) rear portion and the crushing room (2), be provided with nozzle bracket (7) on sharp screw feeder (4), a plurality of liquid nitrogen nozzle (8) around being provided with on nozzle bracket (7), liquid nitrogen nozzle (8) lower extreme stretches into in sharp screw feeder (4).
2. The liquid nitrogen freezing ultrafine grinder according to claim 1, wherein: the crushing chamber (2) is connected with the fan blade chamber (3) through a first discharge pipe (9).
3. The liquid nitrogen freezing ultrafine grinder according to claim 1, wherein: a cyclone blanking device (10) is arranged on one side of the rack (1), and the cyclone blanking device (10) is connected with the fan blade chamber (3) through a second discharge pipe (11).
4. The liquid nitrogen freezing ultrafine grinder according to claim 3, wherein: a liquid nitrogen inlet (12) is formed in the feeding pipe (6), and the top of the cyclone blanking device (10) is connected with the liquid nitrogen inlet (12) through a liquid nitrogen recovery pipe (13).
5. The liquid nitrogen freezing ultrafine grinder according to claim 3, wherein: a charging barrel (14) is arranged below the cyclone feeder (10), and the cyclone feeder (10) is connected with the charging barrel (14) through a cloth bag (15).
6. The liquid nitrogen freezing ultrafine grinder according to claim 4, wherein: and the liquid nitrogen recovery pipe (13) is provided with an adjusting valve (16).
7. The liquid nitrogen freezing ultrafine grinder according to claim 1, wherein: the grinding device is characterized in that a grinding mechanism and a grading mechanism are arranged in the grinding chamber (2), a main motor (17) and a grading motor (18) are arranged below the grinding chamber (2), and the main motor (17) and the grading motor (18) are respectively used for driving the grinding mechanism and the grading mechanism.
8. The liquid nitrogen freezing ultrafine grinder according to claim 1, wherein: the fan blade mechanism is arranged in the fan blade chamber (3), a fan blade motor (19) is arranged below the fan blade chamber (3), and the fan blade motor (19) is used for driving the fan blade mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121576180.XU CN216261239U (en) | 2021-07-12 | 2021-07-12 | Liquid nitrogen freezing ultrafine grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121576180.XU CN216261239U (en) | 2021-07-12 | 2021-07-12 | Liquid nitrogen freezing ultrafine grinder |
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| Publication Number | Publication Date |
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| CN216261239U true CN216261239U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121576180.XU Active CN216261239U (en) | 2021-07-12 | 2021-07-12 | Liquid nitrogen freezing ultrafine grinder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114949341A (en) * | 2022-04-14 | 2022-08-30 | 江西理工大学 | Preparation of biodegradable composite powder and dry spheroidizing process thereof |
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2021
- 2021-07-12 CN CN202121576180.XU patent/CN216261239U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114949341A (en) * | 2022-04-14 | 2022-08-30 | 江西理工大学 | Preparation of biodegradable composite powder and dry spheroidizing process thereof |
| CN114949341B (en) * | 2022-04-14 | 2023-11-07 | 江西理工大学 | Preparation of biodegradable composite powder and dry spheroidizing process thereof |
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