CN208574741U - Immersing in liquid nitrogen formula superfreeze pulverizer - Google Patents
Immersing in liquid nitrogen formula superfreeze pulverizer Download PDFInfo
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- CN208574741U CN208574741U CN201821121961.8U CN201821121961U CN208574741U CN 208574741 U CN208574741 U CN 208574741U CN 201821121961 U CN201821121961 U CN 201821121961U CN 208574741 U CN208574741 U CN 208574741U
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- liquid nitrogen
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Abstract
The utility model is immersing in liquid nitrogen formula superfreeze pulverizer, mainly includes material pre-freeze unit, low-temperature grinding unit and exhaust pipe, control cabinet, liquid level mounting base and liquid nitrogen automatic control system.Feed pipe will not convey continuous loss with material, be crushed liquid nitrogen spray and do not have to perseveration along material transmission direction horizontal tilt certain angle, liquid nitrogen.Using immersing in liquid nitrogen formula frozen materials, material freezes more evenly, and material percentage of damage is high, saves liquid nitrogen, instrument cost is low, easy to maintain, it can be achieved that industrialization large-scale production.Exhaust pipe sputter material will not with the gas of liquid nitrogen gasification to come, utmostly retain material powders, improve yield and free from environmental pollution.Automatic liquid nitrogen control system is immersed in material during entire crushed work in liquid nitrogen always, while liquid nitrogen does not need to supply always, largely saves liquid nitrogen, and equipment one hour of operation can save liquid nitrogen 30L or so.
Description
Technical field
The utility model relates to a kind of pulverizers, specifically, being a kind of immersing in liquid nitrogen formula superfreeze pulverizer.
Background technique
Existing cryogenic pulverization machine system is crushed material by cooling and realizes brittle shape at low temperature using liquid nitrogen as cold source
It is intracavitary by impeller high speed rotation, material and blade into mechanical crusher after state, fluted disc, between material and material repeatedly
Impact is collided, shearing, under the comprehensive functions such as friction, reaches crushing effect.But material precooling process can only be pre-chilled using dynamic,
It is freezed during helical feed, liquid nitrogen volatilization, loss are very serious.Accordingly, there exist material pre-coolings unevenly, crushes at high cost
The problem of.
Summary of the invention
In order to overcome the problems, such as that liquid nitrogen loss is serious, material pre-cooling is uneven, it is at high cost to crush, the utility model is provided
A kind of immersing in liquid nitrogen formula superfreeze pulverizer.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of immersing in liquid nitrogen formula ultra-low temperature cold agar
Broken machine, it is characterised in that: it mainly includes material pre-freeze unit, low-temperature grinding unit and exhaust pipe, control cabinet, liquid level installation
Seat；Wherein, material pre-freeze unit mainly includes feed hopper, and feed hopper is a pre-cooling tank, and feed hopper top is equipped with feeding inlet and in advance
Freeze liquid nitrogen spray, feed hopper lower part is equipped with feed pipe, and feed pipe is connected to low-temperature grinding unit, and a spiral is equipped with inside feed pipe
Feeding rod, feed pipe is along material transmission direction horizontal tilt certain angle, specially 10 ° -80 °, preferably 40 °, screw feeding
The bar other end is equipped with decelerating motor, and decelerating motor driving screw feeding bar makes it generate screw；Screw feeding bar is through thick
Material is discharged material feed pipe；Low-temperature grinding unit mainly includes cryogenic pulverization chamber, and cryogenic pulverization chamber and feed pipe are logical
Material inlet valve connection is crossed, cryogenic pulverization chamber top is equipped with an at least gas outlet and broken liquid nitrogen spray, and it is logical to be crushed liquid nitrogen spray
It crosses the first liquid nitrogen control valve and the second liquid nitrogen control valve is connected with liquid nitrogen container, the cryogenic pulverization chamber lower portion is equipped with drainage conduit,
Junction between the cryogenic pulverization chamber and drainage conduit is equipped with sieve, and drainage conduit is equipped with a discharge valve, and low temperature is broken
Broken cavity bottom, which is equipped with, crushes motor, and gas vent is equipped at the top of exhaust pipe, and liquid level mounting base includes that first sensor and second pass
Sensor, first sensor are temperature sensor.
Further, immersing in liquid nitrogen formula superfreeze pulverizer also has automatic liquid nitrogen control system, and liquid nitrogen reaches pre-
When setting liquid level, first sensor reads temperature and outgoing signal liquid nitrogen control solenoid valve is closed, and liquid nitrogen supply stops；Liquid nitrogen liquid
When face is lower than setting value, second sensor outgoing signal controls solenoid valve to liquid nitrogen, and liquid nitrogen controls solenoid valve and automatically turns on；
Further, it crushes motor to be made of gear set and bearing, power transmission is carried out by belt, crushes the rotation of motor
At least provided with a crushing cutter group in shaft；Crush motor, belt is placed in control cabinet.
The beneficial effects of the utility model are: being first rapidly frozen the material not crushed from feeding inlet investment liquid nitrogen, send
Expects pipe will not be crushed liquid nitrogen spray with helical feed continuous loss along material transmission direction horizontal tilt certain angle, liquid nitrogen
Without perseveration, material delivers into cryogenic pulverization chamber through screw feeding bar and is crushed, powder and liquid after the completion of being crushed
Nitrogen is dispensed after the screen to filtrate together.Because using immersing in liquid nitrogen formula frozen materials, makes material refrigeration more evenly, improve material
Percentage of damage saves liquid nitrogen, and instrument cost is low, easy to maintain, it can be achieved that industrialization large-scale production.In addition to this, it is vented
It is next that the design of pipe sputter material will not with the gas of liquid nitrogen gasification, gas can effectively be discharged, utmostly retention
Feed powder end, improves yield and free from environmental pollution.Automatic liquid nitrogen control system soaks material during entire crushed work always
Bubble is in liquid nitrogen, while liquid nitrogen does not need to supply always, largely saves liquid nitrogen, and equipment one hour of operation can be saved
Save liquid nitrogen 30L or so.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Major components symbol description
Wherein, 1. control cabinet；2. liquid level mounting base；3. feed hopper；4. screw feeding bar；5. pre-freeze liquid nitrogen spray；6. subtracting
Speed motor；7. liquid nitrogen controls solenoid valve；8. coarse fodder feed pipe；9. cryogenic pulverization chamber；10. gas outlet；11. exhaust pipe；12. rotation
Wind separator；13. the second liquid nitrogen control valve；14. broken liquid nitrogen spray；15. vertical fines conveying pipeline；16. horizontal fines conveying
Pipe；17. belt；18. crushing motor；19. first sensor；20. second sensor；21. the first liquid nitrogen control valve；22. liquid nitrogen
Tank；23. sieve
Specific embodiment
The utility model is described further below in conjunction with specific embodiments and the drawings explanation, but following embodiments
It is not intended to limit the protection scope of the utility model.
Refering to Figure 1, being the preferred embodiment of immersing in liquid nitrogen formula superfreeze pulverizer, these examples are only for saying
Bright use is not limited in patent application by this structure comprising:
One material pre-freeze unit, a low-temperature grinding unit and an exhaust pipe 11, a control cabinet 1, a liquid level mounting base 2(liquid
The Liquid level of nitrogen, be lower than some liquid level nitrogen charging, be higher than some liquid level stop nitrogen charging), liquid level mounting base 2 include first sensor
19 and second sensor 20.Material pre-freeze unit specifically includes that a feed hopper 3, feed hopper 3 are further a pre-cooling tanks, in advance
Cold tank have the function of for temperature of charge being pre-chilled to brittle point (be pre-chilled to certain temperature, this temperature be material by it is tough become fragile it is critical
Point), while the function of coarse crushing is played, which is placed on a shelf or ground, and a feeding inlet is equipped at the top of feed hopper 3
With a pre-freeze liquid nitrogen spray 5, a feed pipe is arranged at 3 lower part of feed hopper, and feed pipe is connected to low-temperature grinding unit, is set inside feed pipe
There is a screw feeding bar 4, the feed pipe is optimal to be along material transmission direction horizontal tilt certain angle, preferably 10 ° -80 °
40 °, 4 other end of screw feeding bar is equipped with a decelerating motor 6, and the decelerating motor 6 driving screw feeding bar 4 makes it generate spiral fortune
It is dynamic；Material is discharged through coarse fodder feed pipe 8 for screw feeding bar 4.Low-temperature grinding unit includes: a cryogenic pulverization chamber 9, low
The broken chamber 9 of temperature is connected to feed pipe by material inlet valve, and 9 top of cryogenic pulverization chamber is equipped with an at least gas outlet 10 and is crushed
Liquid nitrogen spray 14.Broken liquid nitrogen spray 14 passes through the second liquid nitrogen control valve 13 and the first liquid nitrogen control valve 21 and 22 phase of liquid nitrogen container
Even, which is equipped with a drainage conduit, and the junction between the cryogenic pulverization chamber 9 and drainage conduit is equipped with sieve
Net 23, drainage conduit be equipped with a discharge valve, 9 bottom of cryogenic pulverization chamber be equipped with one crush motor 18, the crushing motor 18 with
One rotary shaft is connected, and crushes motor 18 and is made of gear set and bearing, carries out power transmission by belt 17, crushes motor 18
At least provided with a crushing cutter group in rotary shaft.Crush motor 18, belt 17 is placed in control cabinet 1.In addition, being set at the top of exhaust pipe 11
There is a gas vent.
In addition to this, also there is an automatic liquid nitrogen control system, second sensor 20 is spread out of when liquid level is lower than setting value
Signal controls solenoid valve 7 to liquid nitrogen, so that liquid nitrogen control solenoid valve 7 automatically turns on, when reaching presetting liquid level, the first sensing
Device 19 reads temperature and outgoing signal, it is preferred that first sensor 19 is temperature sensor, and liquid nitrogen controls solenoid valve 7 and closes, liquid
Nitrogen supply stops.In the feeding and shattering process of material, the liquid nitrogen in feed hopper 3 can have inevitably loss, by certainly
Hydrodynamic nitrogen control system, so that material is immersed in liquid nitrogen always in whole work process, while liquid nitrogen no longer needs a direct-furnish
It gives, largely saves liquid nitrogen.
The usage mode of the utility model immersing in liquid nitrogen formula superfreeze pulverizer is that sufficiently pre-cooling machine makes liquid first
Nitrogen reaches operating fluid level.Material is immersed in liquid nitrogen, guarantees low-temperature grinding effect.Material is put into from feed hopper 3, it is fast through liquid nitrogen
Quickly cooling is brittle, is delivered to cryogenic pulverization chamber 9 for crushing material to powder through screw feeding bar 4, and powder is suspended in liquid nitrogen,
After the completion of broken, powder is filtered with liquid nitrogen through sieve 23, is blown through horizontal fines conveying pipeline 16 and vertical fines conveying pipeline 15
It send to cyclone separator 12, and discharging.It is next that cyclone separator 12 sputter material will not with the gas of liquid nitrogen gasification, can have
The exclusion gas of effect, retains powder to greatest extent.
The above is only the preferred embodiment of the present invention, is not used to limit the scope of the utility model；
It is all according to equivalence changes made by the utility model and modification, all covered by the scope of the patents of the utility model.
Claims (8)
1. a kind of immersing in liquid nitrogen formula superfreeze pulverizer mainly includes material pre-freeze unit, low-temperature grinding unit and exhaust
Pipe, control cabinet, liquid level mounting base, it is characterised in that: material pre-freeze unit mainly includes feed hopper, is equipped with pan feeding at the top of feed hopper
Mouth and pre-freeze liquid nitrogen spray, feed hopper lower part are equipped with feed pipe, and feed pipe is connected to low-temperature grinding unit, are equipped with inside feed pipe
One screw feeding bar, feed pipe are equipped with the electricity that slows down along material transmission direction horizontal tilt certain angle, the screw feeding bar other end
Machine, decelerating motor driving screw feeding bar make it generate screw；Material is discharged through coarse fodder feed pipe for screw feeding bar；
Low-temperature grinding unit mainly includes cryogenic pulverization chamber, and cryogenic pulverization chamber is connected to feed pipe by material inlet valve, low temperature
Broken chamber top is equipped with an at least gas outlet and broken liquid nitrogen spray, is crushed liquid nitrogen spray and passes through the first liquid nitrogen control valve and the
Two liquid nitrogen control valves are connected with liquid nitrogen container, and the cryogenic pulverization chamber lower portion is equipped with drainage conduit, the cryogenic pulverization chamber and row
Junction between expects pipe is equipped with sieve, and drainage conduit is equipped with a discharge valve, and cryogenic pulverization cavity bottom, which is equipped with, crushes electricity
Machine, exhaust pipe top are equipped with gas vent, and liquid level mounting base includes first sensor and second sensor.
2. immersing in liquid nitrogen formula superfreeze pulverizer according to claim 1, it is characterised in that: also have automatic liquid nitrogen
Control system, when liquid nitrogen reaches presetting liquid level, first sensor reads temperature and outgoing signal liquid nitrogen control solenoid valve is closed,
Liquid nitrogen supply stops；When liquid nitrogen liquid level is lower than setting value, second sensor outgoing signal controls solenoid valve, liquid nitrogen control to liquid nitrogen
Solenoid valve automatically turns on.
3. immersing in liquid nitrogen formula superfreeze pulverizer according to claim 1 or 2, it is characterised in that: feed hopper one
Tank is pre-chilled.
4. immersing in liquid nitrogen formula superfreeze pulverizer according to claim 1 or 2, it is characterised in that: the angle ranging from
10°-80°。
5. immersing in liquid nitrogen formula superfreeze pulverizer according to claim 4, it is characterised in that: the angle ranging from
40°。
6. immersing in liquid nitrogen formula superfreeze pulverizer according to claim 2, it is characterised in that: first sensor is temperature
Spend sensor.
7. immersing in liquid nitrogen formula superfreeze pulverizer according to claim 1 or 2, it is characterised in that: crush motor by
Gear set and bearing composition, carry out power transmission by belt, crush in the rotary shaft of motor at least provided with a crushing cutter group.
8. immersing in liquid nitrogen formula superfreeze pulverizer according to claim 1 or 2, it is characterised in that: crush motor, skin
Band is placed in control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821121961.8U CN208574741U (en) | 2018-07-16 | 2018-07-16 | Immersing in liquid nitrogen formula superfreeze pulverizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821121961.8U CN208574741U (en) | 2018-07-16 | 2018-07-16 | Immersing in liquid nitrogen formula superfreeze pulverizer |
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| CN208574741U true CN208574741U (en) | 2019-03-05 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110876443A (en) * | 2019-12-19 | 2020-03-13 | 武汉轻工大学 | A method for preparing glutinous rice flour by freezing and pulverizing |
| CN111013795A (en) * | 2019-12-31 | 2020-04-17 | 吉林市圣赢碳纤维制品科技有限公司 | Superfine carbon fiber crushing process and crushing device |
| CN111495532A (en) * | 2020-04-24 | 2020-08-07 | 界首市恒益服饰有限公司 | Waste clothing leftover material collecting and processing device and using method thereof |
| CN114949341A (en) * | 2022-04-14 | 2022-08-30 | 江西理工大学 | Preparation of biodegradable composite powder and dry spheroidizing process thereof |
| CN116393480A (en) * | 2023-03-13 | 2023-07-07 | 扬州阿特兰新材料有限公司 | High performance is incomplete cloth recovery breaker for non-woven fabrics |
-
2018
- 2018-07-16 CN CN201821121961.8U patent/CN208574741U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110876443A (en) * | 2019-12-19 | 2020-03-13 | 武汉轻工大学 | A method for preparing glutinous rice flour by freezing and pulverizing |
| CN111013795A (en) * | 2019-12-31 | 2020-04-17 | 吉林市圣赢碳纤维制品科技有限公司 | Superfine carbon fiber crushing process and crushing device |
| CN111495532A (en) * | 2020-04-24 | 2020-08-07 | 界首市恒益服饰有限公司 | Waste clothing leftover material collecting and processing device and using method thereof |
| 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 |
| CN116393480A (en) * | 2023-03-13 | 2023-07-07 | 扬州阿特兰新材料有限公司 | High performance is incomplete cloth recovery breaker for non-woven fabrics |
| CN116393480B (en) * | 2023-03-13 | 2023-09-29 | 扬州阿特兰新材料有限公司 | High performance is incomplete cloth recovery breaker for non-woven fabrics |
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