CN203316234U - Precooling tank for low-temperature crushing of continuous materials - Google Patents
Precooling tank for low-temperature crushing of continuous materials Download PDFInfo
- Publication number
- CN203316234U CN203316234U CN2013203541518U CN201320354151U CN203316234U CN 203316234 U CN203316234 U CN 203316234U CN 2013203541518 U CN2013203541518 U CN 2013203541518U CN 201320354151 U CN201320354151 U CN 201320354151U CN 203316234 U CN203316234 U CN 203316234U
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- liquid nitrogen
- low
- tank
- temperature
- precooling
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- Crushing And Grinding (AREA)
Abstract
The utility model discloses a precooling tank for the low-temperature crushing of continuous materials. The precooling tank comprises a material tank, the material tank is coated with a heat insulating layer, a stirrer and a liquid nitrogen atomizer are arranged in the material tank, the material tank is provided with a material inlet, a liquid nitrogen inlet and a material outlet, the liquid nitrogen inlet is connected with the liquid nitrogen atomizer, and the material outlet is connected with a low-temperature feeding machine. The precooling tank for the continuous low-temperature crushing of materials provided by the utility model adopts a material tank with a heat insulating layer and takes liquid nitrogen as a refrigerant, the liquid nitrogen is fed into the tank and then atomized in time by using the liquid nitrogen atomizer, and then the liquid nitrogen is in contact with materials to carry out heat exchange with the materials; therefore, continuous materials can be fully cooled, and the low-temperature crushing effect can be guaranteed; and the precooling tank is simple in structure, reliable in control, and easy to popularize and implement.
Description
Technical field
The utility model relates to a kind of cooling device, relates in particular to a kind of tank of the precooling for the moving material low-temperature grinding.
Background technology
Existing low-temperature grinding system, be generally material is freezing in advance after, then take out and carry out pulverization process.Refrigerating plant separates fully with crushing system.Due to material during continuously by the precooling tank, make at short notice material rapidly cooling reach and pulverize needed temperature, 1), the refrigerant of quick heat absorption is provided its difficult point is:; The chance of refrigerant and the abundant contact heat-exchanging of material 2), is provided; 3), accurately control the interpolation of refrigerant.Therefore, existing crushing system does not provide material continuous precooling tank, and the efficiency of crushing system and output are all very low like this, and cost is high.In addition, in crushing process, freezing material can heat up rapidly in advance, thereby greatly affects the low-temperature grinding effect.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of tank of the precooling for the moving material low-temperature grinding, can fully lower the temperature to moving material, guarantees the low-temperature grinding effect, and simple in structure, controls reliably, is easy to promotion and implementation.
The utility model is to solve the problems of the technologies described above the technical scheme adopted to be to provide a kind of tank of the precooling for the moving material low-temperature grinding, comprise material pot, described material pot is wrapped with heat insulation layer, be provided with mixer and liquid nitrogen atomizer in described material pot, described material pot is provided with charging aperture, liquid nitrogen import and discharging opening, described liquid nitrogen import is connected with the liquid nitrogen atomizer, and described discharging opening is connected with the low-temperature feed machine.
The above-mentioned tank of the precooling for the moving material low-temperature grinding, wherein, described liquid nitrogen atomizer is arranged on the bottom of the blade sheet of mixer.
The above-mentioned tank of the precooling for the moving material low-temperature grinding, wherein, described material pot is provided with Charge level measurer.
The above-mentioned tank of the precooling for the moving material low-temperature grinding, wherein, be provided with electric controlled regulating valve before described liquid nitrogen import, and the exit of described low-temperature feed machine is provided with outlet temperature sensor; Be provided with pressure sensor in described material pot, described material pot is provided with relief valve.
The above-mentioned tank of the precooling for the moving material low-temperature grinding, wherein, described mixer, low-temperature feed machine are connected with frequency-variable controller, described electric controlled regulating valve, outlet temperature sensor and industrial control unit (ICU) are connected, described industrial control unit (ICU) gathers the temperature of outlet temperature sensor, and controls the quantity delivered of liquid nitrogen by the aperture of regulating electric controlled regulating valve.
The above-mentioned tank of the precooling for the moving material low-temperature grinding, wherein, described industrial control unit (ICU) is PLC or industrial computer.
The utility model contrast prior art has following beneficial effect: the tank of the precooling for the moving material low-temperature grinding that the utility model provides, employing is with the material pot of heat insulation layer and utilize liquid nitrogen as refrigerant, use the liquid nitrogen atomizer to make liquid nitrogen enter atomization in time in tank and contact heat exchange with material, thereby can fully lower the temperature to moving material, guarantee the low-temperature grinding effect, and simple in structure, control reliably, be easy to promotion and implementation.
The accompanying drawing explanation
Fig. 1 is the precooling jar structure schematic diagram of the utility model for the moving material low-temperature grinding.
In figure:
1 charging aperture 2 mixer 3 Charge level measurers
4 liquid nitrogen atomizer 5 electric controlled regulating valve 6 relief valves
7 material pot 8 low-temperature feed machine 9 outlet temperature sensors
10 heat insulation layer 11 liquid nitrogen import 12 discharging openings
The specific embodiment
Below in conjunction with drawings and Examples, the utility model will be further described.
Fig. 1 is the precooling jar structure schematic diagram of the utility model for the moving material low-temperature grinding.
Refer to Fig. 1, the tank of the precooling for the moving material low-temperature grinding that the utility model provides comprises material pot 7, described material pot 7 is wrapped with heat insulation layer 10, be provided with mixer 2 and liquid nitrogen atomizer 4 in described material pot 7, described material pot 7 is provided with charging aperture 1, liquid nitrogen import 11 and discharging opening 12, described liquid nitrogen import 11 is connected with liquid nitrogen atomizer 4, and described discharging opening 12 is connected with low-temperature feed machine 8.
The tank of the precooling for the moving material low-temperature grinding that the utility model provides, employing is with the material pot 7 of heat insulation layer 10 and utilize liquid nitrogen as refrigerant, use liquid nitrogen atomizer 4 to make liquid nitrogen enter atomization in time in tank and contact heat exchange with material, thereby can fully lower the temperature to moving material, guarantee the low-temperature grinding effect.Described liquid nitrogen atomizer 4 preferably is arranged on the bottom of the blade sheet of mixer 2, thereby seethes and fully with material, carry out heat exchange down in the rotation of stirrer paddle, reaches and accelerates the purpose that material is lowered the temperature.
The tank of the precooling for the moving material low-temperature grinding that the utility model provides, can adopt the industrial computer Based Intelligent Control, with temperature sensor and the chain automatic control liquid nitrogen of control valve, by the operating mode in pressure and temperature sensor measurement tank, by the rotating speed of Frequency Converter Control agitator, the raising refrigerant mixes and cooling effect with material.Adopt liquid nitrogen as refrigerant, liquid nitrogen temperature when liquid state is low reaches-196 degree, and nontoxic, non-inflammable be a kind of deep cooling medium safely and effectively.The pressure produced while controlling liquid nitrogen gasification well, adjust the addition of liquid nitrogen according to the variations in temperature of outlet material, reach and use as required liquid nitrogen to cut down finished cost under the prerequisite that guarantees crushing effect.Concrete detection control procedure is as follows: described material pot 7 is provided with Charge level measurer 3 detection materials and supplies with continuously; Be provided with electric controlled regulating valve 5 before described liquid nitrogen import 11, the exit of described low-temperature feed machine 8 is provided with the requirement whether outlet temperature that outlet temperature sensor 9 detects materials meets low-temperature grinding; Be provided with temperature sensor and pressure sensor (not shown) in described material pot 7.Described mixer 2, low-temperature feed machine 8 are connected with frequency-variable controller, described electric controlled regulating valve 5, outlet temperature sensor 9 are connected with industrial control unit (ICU), described industrial control unit (ICU) can be selected PLC or industrial computer, described industrial control unit (ICU) gathers the temperature of outlet temperature sensor 9, and controls the quantity delivered of liquid nitrogen by the aperture of regulating electric controlled regulating valve 5.
In addition, cause potential safety hazard for fear of the liquid nitrogen hypertonia, the tank of the precooling for the moving material low-temperature grinding that the utility model provides, can be provided with relief valve 6 on described material pot 7, when the tank internal pressure surpasses the safety value of setting, relief valve 6 can be opened discharge nitrogen automatically, and these low temperature nitrogens can be collected and enter crushing system, reaches that to take full advantage of liquid nitrogen cost-saving.
Although the utility model discloses as above with preferred embodiment; so it is not in order to limit the utility model; any those skilled in the art; within not breaking away from spirit and scope of the present utility model; when doing a little modification and perfect, therefore protection domain of the present utility model is worked as with being as the criterion that claims were defined.
Claims (6)
1. the tank of the precooling for the moving material low-temperature grinding, it is characterized in that, comprise material pot (7), described material pot (7) is wrapped with heat insulation layer (10), be provided with mixer (2) and liquid nitrogen atomizer (4) in described material pot (7), described material pot (7) is provided with charging aperture (1), liquid nitrogen import (11) and discharging opening (12), and described liquid nitrogen import (11) is connected with liquid nitrogen atomizer (4), and described discharging opening (12) is connected with low-temperature feed machine (8).
2. the tank of the precooling for the moving material low-temperature grinding as claimed in claim 1, is characterized in that, described liquid nitrogen atomizer (4) is arranged on the bottom of the blade sheet of mixer (2).
3. the tank of the precooling for the moving material low-temperature grinding as claimed in claim 1, is characterized in that, described material pot (7) is provided with Charge level measurer (3).
4. the tank of the precooling for the moving material low-temperature grinding as claimed in claim 1, is characterized in that, the front electric controlled regulating valve (5) that is provided with of described liquid nitrogen import (11), and the exit of described low-temperature feed machine (8) is provided with outlet temperature sensor (9); Described material pot is provided with pressure sensor in (7), and described material pot (7) is provided with relief valve (6).
5. the tank of the precooling for the moving material low-temperature grinding as claimed in claim 4, it is characterized in that, described mixer (2), low-temperature feed machine (8) are connected with frequency-variable controller, described electric controlled regulating valve (5), outlet temperature sensor (9) are connected with industrial control unit (ICU), described industrial control unit (ICU) gathers the temperature of outlet temperature sensor (9), and controls the quantity delivered of liquid nitrogen by the aperture of regulating electric controlled regulating valve (5).
6. the tank of the precooling for the moving material low-temperature grinding as claimed in claim 5, is characterized in that, described industrial control unit (ICU) is PLC or industrial computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203541518U CN203316234U (en) | 2013-06-19 | 2013-06-19 | Precooling tank for low-temperature crushing of continuous materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203541518U CN203316234U (en) | 2013-06-19 | 2013-06-19 | Precooling tank for low-temperature crushing of continuous materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203316234U true CN203316234U (en) | 2013-12-04 |
Family
ID=49655634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203541518U Expired - Fee Related CN203316234U (en) | 2013-06-19 | 2013-06-19 | Precooling tank for low-temperature crushing of continuous materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203316234U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586119A (en) * | 2013-06-19 | 2014-02-19 | 上海细村粉体技术有限公司 | Pre-cooling tank for continuously crushing materials at low temperature |
| CN106179704A (en) * | 2016-08-31 | 2016-12-07 | 江苏密友粉体新装备制造有限公司 | A kind of storehouse that feeds intake being applicable to deep cooling crush |
-
2013
- 2013-06-19 CN CN2013203541518U patent/CN203316234U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586119A (en) * | 2013-06-19 | 2014-02-19 | 上海细村粉体技术有限公司 | Pre-cooling tank for continuously crushing materials at low temperature |
| CN106179704A (en) * | 2016-08-31 | 2016-12-07 | 江苏密友粉体新装备制造有限公司 | A kind of storehouse that feeds intake being applicable to deep cooling crush |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20150619 |
|
| EXPY | Termination of patent right or utility model |