CN212069071U - Energy-efficient hydrojet formula liquid nitrogen freezing rubbing crusher - Google Patents
Energy-efficient hydrojet formula liquid nitrogen freezing rubbing crusher Download PDFInfo
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- CN212069071U CN212069071U CN201922118003.6U CN201922118003U CN212069071U CN 212069071 U CN212069071 U CN 212069071U CN 201922118003 U CN201922118003 U CN 201922118003U CN 212069071 U CN212069071 U CN 212069071U
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- liquid nitrogen
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Abstract
The utility model relates to a high-efficient energy-conserving hydrojet liquid nitrogen freezing rubbing crusher, it includes frame (1), be provided with crushing room (2) on frame (1), crushing room (2) top is provided with screw feeder (3), screw feeder (3) are arranged along the horizontal direction, screw feeder (3) are including feeding casing (3.1), wear to be equipped with feeding screw rod (3.4) in feeding casing (3.1), feeding screw rod (3.4) top parallel arrangement has liquid nitrogen spray pipe (6), a plurality of liquid nitrogen spraying openings (7) have been seted up on liquid nitrogen spray pipe (6). The utility model relates to a high-efficient energy-conserving hydrojet liquid nitrogen freezing rubbing crusher, it can make material and liquid nitrogen fully contact the mixture, has improved the utilization ratio of liquid nitrogen and the cooling efficiency of material greatly, has effectively guaranteed material cooling's homogeneity.
Description
Technical Field
The utility model relates to a high-efficient energy-conserving hydrojet liquid nitrogen freezing rubbing crusher belongs to crushing apparatus technical field.
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 freezing grinder appears on the market, liquid nitrogen is used as a cold source, a ground material is cooled by the liquid nitrogen to realize an embrittled state at a low temperature and then enters a grinding chamber to be ground, and the grinding effect is achieved under the comprehensive actions of repeated impact, collision, shearing, friction and the like between the material and a blade and between the material and a fluted disc. But the material precooling process can only adopt dynamic precooling, and the liquid nitrogen is frozen in the spiral conveying process, so that the volatilization and loss of the liquid nitrogen are very serious. Therefore, the problems of nonuniform precooling of the materials and high crushing cost exist.
The utility model discloses a utility model patent application number 201821121961.8 discloses a liquid nitrogen soaks formula ultra-low temperature freezing rubbing crusher, it mainly includes that the material freezes unit in advance, cryogenic grinding unit and blast pipe, control box, liquid level mount pad and liquid nitrogen automatic control system. The feeding pipe horizontally inclines at a certain angle along the material conveying direction, liquid nitrogen cannot continuously lose along with material conveying, and the broken liquid nitrogen spray head does not need to continuously act. The liquid nitrogen immersion type frozen material is adopted, so that the material is more uniformly refrigerated, the material crushing rate is high, the liquid nitrogen is saved, the instrument manufacturing cost is low, the maintenance is easy, and the industrial large-scale production can be realized. But above-mentioned freezing rubbing crusher carries out the precooling in the feeder hopper, and the feeder hopper top is provided with a prefreezing liquid nitrogen shower nozzle, and the material that does not smash is thrown into the liquid nitrogen from the pan feeding mouth and is smashed fast, and the liquid nitrogen volatilizees at the feeder hopper easily on the one hand to cause the waste of liquid nitrogen, on the other hand is owing to adopt the formula of soaking freezing material of liquid nitrogen, and the material can't fully contact with the liquid nitrogen, thereby greatly reduced the utilization ratio of liquid nitrogen, the cooling homogeneity of material is also.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an energy-efficient hydrojet formula liquid nitrogen freezing rubbing crusher is provided to above-mentioned prior art, it can make material and liquid nitrogen fully contact the mixture, has improved the cooling efficiency of the utilization ratio of liquid nitrogen and material greatly, has effectively guaranteed material cooling's homogeneity.
The utility model provides a technical scheme that above-mentioned problem adopted does: the utility model provides a high-efficient energy-conserving hydrojet liquid nitrogen freezing rubbing crusher, it includes the frame, be provided with in the frame and smash the room, it is provided with the spiral feeder to smash the room top, the spiral feeder is arranged along the horizontal direction, the spiral feeder includes the feeding casing, wear to be equipped with the feeding screw rod in the feeding casing, feeding screw rod top parallel arrangement has the liquid nitrogen spray tube, a plurality of liquid nitrogen spraying openings have been seted up on the liquid nitrogen spray tube.
Preferably, the liquid nitrogen spraying pipe is connected with a liquid nitrogen inlet pipe, and the liquid nitrogen spraying pipe is connected with a liquid nitrogen supply device through the liquid nitrogen inlet pipe.
Preferably, the feeding screw is provided with a feeding helical blade and a plurality of shovelling plates.
Preferably, the material copying plate is arranged between two adjacent helical blades.
Preferably, a fan blade chamber is arranged on one side of the crushing chamber, and the second discharge hole is connected with the fan blade chamber through a first discharge pipe; the pulverizer also comprises a plurality of cyclone feeders, two adjacent cyclone feeders are connected through a connecting pipe, and the fan blade chamber is connected with the first cyclone feeder through a second discharge pipe.
Preferably, the last cyclone downer is connected to the pulverizing chamber through a liquid nitrogen recovery pipe.
Preferably, a spiral discharging machine is arranged below the plurality of cyclone discharging devices, and the lower ends of the plurality of cyclone discharging devices are connected with the spiral discharging machine.
Preferably, the spiral discharging machine comprises a discharging shell, and the cross section of the discharging shell is U-shaped.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses set up a plurality of liquid nitrogen and spray the hole in the screw feeder, spray the liquid nitrogen through the liquid nitrogen and cool off the material in the screw feeder, can effectively avoid volatilizing of liquid nitrogen to avoid causing the waste of liquid nitrogen;
2. the utility model discloses the spiral feeder is placed horizontally, is provided with a plurality of flight on the feeding screw rod at intervals, and the feeding screw rod can continuously fly the material of bottom through the flight in the rotatory feeding process, makes the material fully mix with the liquid nitrogen that sprays above, has greatly improved the utilization ratio of liquid nitrogen and the cooling efficiency of material, has effectively guaranteed the refrigerated homogeneity of material;
3. the utility model discloses a plurality of whirlwind blanking devices are arranged on one side of the fan blade chamber, and the thin material which is difficult to be blanked in the first whirlwind blanking device enters the next whirlwind blanking device to be blanked, so on, and the blanking is carried out simultaneously through the plurality of whirlwind blanking devices, so that the material blanking efficiency can be greatly improved;
4. the utility model discloses glassware top is connected with crushing room through liquid nitrogen recovery pipe under a plurality of whirlwinds, can carry out recycle with the liquid nitrogen, has improved the utilization ratio of liquid nitrogen greatly.
Drawings
Fig. 1 is a schematic structural view of the high-efficiency energy-saving liquid-spraying type liquid nitrogen freezing pulverizer of the utility model.
Fig. 2 is a schematic view of the internal structure of the pulverizing chamber of fig. 1.
Fig. 3 is a schematic cross-sectional view of the screw discharger of fig. 1.
Wherein:
Crushing chamber 2
Second feed opening 2.1
Second discharge opening 2.2
Screw feeder 3
Feed casing 3.1
First feed opening 3.2
First discharge port 3.3
Feed screw 3.4
Feed screw blade 3.5
Charging hopper 4
Feed pipe 5
Liquid nitrogen spray pipe 6
Liquid nitrogen spraying opening 7
Liquid nitrogen inlet pipe 8
Copying plate 9
Vane chamber 10
Connecting pipe 14
Liquid nitrogen recovery pipe 17
Discharge housing 18.1
Third inlet 18.2
Discharge screw 18.3
Discharge helical blade 18.4
Disintegrating blade 21
And a guide ring 25.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 3, the energy-efficient liquid-spraying type liquid nitrogen freezing pulverizer in the embodiment includes a frame 1, a pulverizing chamber 2 is disposed on the frame 1, a spiral feeder 3 is disposed above the pulverizing chamber 2, the spiral feeder 3 is disposed along a horizontal direction, the spiral feeder 3 includes a feeding shell 3.1, a first feeding port 3.2 and a first discharging port 3.3 are respectively disposed on left and right sides of the feeding shell 3.1, a feeding hopper 4 is disposed at a position of the first feeding port 3.2, a second feeding port 2.1 and a second discharging port 2.2 are respectively disposed on left and right sides of the pulverizing chamber 2, and the first discharging port 3.3 is connected to the second feeding port 2.1 through a feeding pipe 5;
a feeding screw 3.4 penetrates through the feeding shell 3.1, a liquid nitrogen spray pipe 6 is arranged above the feeding screw 3.4 in parallel, and a plurality of liquid nitrogen spray openings 7 are formed in the liquid nitrogen spray pipe 6;
the liquid nitrogen spraying pipe 6 is connected with a liquid nitrogen inlet pipe 8, and the liquid nitrogen spraying pipe 6 is connected with a liquid nitrogen supply device through the liquid nitrogen inlet pipe 8;
the feeding screw 3.4 is provided with a feeding helical blade 3.5 and a plurality of material copying plates 9;
the material copying plate 9 is arranged between two adjacent helical blades 3.5;
a fan blade chamber 10 is arranged on one side of the crushing chamber 2, and the second discharge hole 2.2 is connected with the fan blade chamber 10 through a first discharge pipe 11;
a fan blade motor 12 is arranged on one side of the fan blade chamber 10, the output end of the fan blade motor 12 extends into the fan blade chamber 10, and a fan blade is arranged at the output end of the fan blade motor 12;
the pulverizer also comprises a plurality of cyclone feeders 13, the tops of two adjacent cyclone feeders 13 are connected through a connecting pipe 14, a third discharge hole 15 is formed in the top of the fan blade chamber 10, and the third discharge hole 15 is connected with the first cyclone feeder 13 (closest to the fan blade chamber 10) through a second discharge pipe 16;
the last (farthest from the fan blade chamber 10) cyclone feeder 13 is connected with the crushing chamber 2 through a liquid nitrogen recovery pipe 17;
a spiral discharging machine 18 is arranged below the cyclone discharging devices 13, and the lower ends of the cyclone discharging devices 13 are connected with the spiral discharging machine 18;
the spiral discharging machine 18 comprises a discharging shell 18.1, and the section of the discharging shell 18.1 is U-shaped;
a plurality of third feeding ports 18.2 are formed in the discharging shell 18.1, and the plurality of third feeding ports 18.2 are respectively connected with the lower ends of the cyclone blanking devices 13;
a discharging screw 18.3 penetrates through the discharging shell 18.1, and a discharging helical blade 18.4 is arranged on the discharging screw 18.3;
a charging barrel 19 is arranged below the spiral discharging machine 18, and the spiral discharging machine 18 is connected with the charging barrel 19;
a main shaft 20 penetrates through the crushing chamber 2, a crushing blade 21 is arranged on the main shaft 20, a gear ring 22 is arranged on the inner wall of the crushing chamber 2, and the crushing blade 21 is matched with the gear ring 22;
a grading shaft 23 penetrates through the center of the main shaft 20, a grading wheel 24 is arranged on the grading shaft 23, and a guide ring 25 is arranged on the periphery of the grading wheel 24.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (8)
1. The utility model provides a high-efficient energy-conserving hydrojet liquid nitrogen freezing rubbing crusher which characterized in that: it includes frame (1), be provided with crushing room (2) on frame (1), it is provided with spiral feeder (3) to smash room (2) top, spiral feeder (3) are arranged along the horizontal direction, spiral feeder (3) are including feeding casing (3.1), wear to be equipped with feeding screw rod (3.4) in feeding casing (3.1), feeding screw rod (3.4) top parallel arrangement has liquid nitrogen spray pipe (6), a plurality of liquid nitrogen sprinkler orifices (7) have been seted up on liquid nitrogen spray pipe (6).
2. The high-efficiency energy-saving liquid-spraying type liquid nitrogen freezing pulverizer as claimed in claim 1, is characterized in that: the liquid nitrogen spraying pipe (6) is connected with a liquid nitrogen inlet pipe (8), and the liquid nitrogen spraying pipe (6) is connected with a liquid nitrogen supply device through the liquid nitrogen inlet pipe (8).
3. The high-efficiency energy-saving liquid-spraying type liquid nitrogen freezing pulverizer as claimed in claim 1, is characterized in that: and the feeding screw (3.4) is provided with a feeding helical blade (3.5) and a plurality of material copying plates (9).
4. The high-efficiency energy-saving liquid-spraying type liquid nitrogen freezing pulverizer as claimed in claim 3, is characterized in that: the material copying plate (9) is arranged between two adjacent helical blades (3.5).
5. The high-efficiency energy-saving liquid-spraying type liquid nitrogen freezing pulverizer as claimed in claim 1, is characterized in that: a fan blade chamber (10) is arranged on one side of the crushing chamber (2), a second feeding hole (2.1) and a second discharging hole (2.2) are respectively arranged on the left side and the right side of the crushing chamber (2), and the second discharging hole (2.2) is connected with the fan blade chamber (10) through a first discharging pipe (11); the pulverizer also comprises a plurality of cyclone feeders (13), two adjacent cyclone feeders (13) are connected through connecting pipes (14), and the fan blade chamber (10) is connected with the first cyclone feeder (13) through a second discharge pipe (16).
6. The high-efficiency energy-saving liquid-spraying type liquid nitrogen freezing pulverizer as claimed in claim 5, is characterized in that: the last cyclone blanking device (13) is connected with the crushing chamber (2) through a liquid nitrogen recovery pipe (17).
7. The high-efficiency energy-saving liquid-spraying type liquid nitrogen freezing pulverizer as claimed in claim 5, is characterized in that: a spiral discharging machine (18) is arranged below the cyclone discharging devices (13), and the lower ends of the cyclone discharging devices (13) are connected with the spiral discharging machine (18).
8. The high-efficiency energy-saving liquid-spraying type liquid nitrogen freezing pulverizer as claimed in claim 7, is characterized in that: the spiral discharging machine (18) comprises a discharging shell (18.1), and the section of the discharging shell (18.1) is U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922118003.6U CN212069071U (en) | 2019-11-30 | 2019-11-30 | Energy-efficient hydrojet formula liquid nitrogen freezing rubbing crusher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922118003.6U CN212069071U (en) | 2019-11-30 | 2019-11-30 | Energy-efficient hydrojet formula liquid nitrogen freezing rubbing crusher |
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| CN212069071U true CN212069071U (en) | 2020-12-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113733278A (en) * | 2021-05-25 | 2021-12-03 | 付生 | Raw material mixing treatment process of degradable drainage plate |
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- 2019-11-30 CN CN201922118003.6U patent/CN212069071U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113733278A (en) * | 2021-05-25 | 2021-12-03 | 付生 | Raw material mixing treatment process of degradable drainage plate |
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