CN105363541A - Magnesium metal smashing and grading device and technique thereof - Google Patents
Magnesium metal smashing and grading device and technique thereof Download PDFInfo
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- CN105363541A CN105363541A CN201510841746.XA CN201510841746A CN105363541A CN 105363541 A CN105363541 A CN 105363541A CN 201510841746 A CN201510841746 A CN 201510841746A CN 105363541 A CN105363541 A CN 105363541A
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Abstract
The invention provides a magnesium metal smashing and grading device and the technique thereof and belongs to the technical field of material smashing. The magnesium metal smashing and grading device comprises a feeding device, a crushing device, an inert gas circulation loop, a primary gas-solid separating device, a wind power driving device, a secondary gas-solid separating device and a dust collector, wherein the feeding device is provided with a material inlet and an inert gas inlet, the dust collector is provide with an inert gas outlet, the inert gas circulation loop sends inert gas separated out from the dust collector into the crushing device through an air-returning pipe, inert gas can be reused, and explosion venting openings are respectively formed in the upper parts of the primary gas-solid separating device, the secondary gas-solid separating device and the dust collector. The magnesium metal smashing and grading device provided by the invention has a novel structure, is reasonable in design, is safe and reliable, and is simple to operate, can achieve crushing, grading and cooling to inflammable, explosive and easily oxidized materials, integrates various functions, and is strong in practicability.
Description
Technical field
The invention belongs to crushing material technical field, be specifically related to a kind of magnesium metal and pulverize grading plant and process thereof.
Background technology
The equipment of Flammable and Explosive Materials such as oxidant, combustible and explosive are at all fields of national economy and militarily have important purposes.Along with the development of science and technology, propose more and more higher requirement to the serviceability of these materials, wherein most typical is exactly require to carry out fine to these materials, because these materials its serviceability after fine can obtain very big raising.Because equipment of Flammable and Explosive Materials is easily decomposed usually, burning-point is lower, extremely responsive to heat, temperature, shock, friction, electrostatic and spark, therefore will make its fine, in technique and safety on very difficult.Common superfine grinding method be all take clash into, shear, friction, extruding method to make material fining, when taking these class methods to make equipment of Flammable and Explosive Materials fine, very easily make they occurs in crushing process burning or explode.Because the susceptibility of its burning thinner of this kind of material or blast is higher, production process is very dangerous.
For ensureing production safety, various countries engineers and technicians have carried out large quantity research to the superfine technique of this kind of material and equipment, and its difficulty is considerably beyond the pulverizing to common material.Under state-of-the art, above-mentioned material be made to realize fine, finally often adopt air-flow crushing, the high-pressure inert gas that adopts, as crushing medium, is also taked to combinationally use with low-temperature grinding more.Application number be 201010610587.X patent discloses a kind of protective gas sealing and circulating disintegrating apparatus and disintegrating process, the airtight setting of described disintegrating apparatus; Described disintegrating apparatus comprises: feeding device, reducing mechanism, gas-solid separating device, inert gas closed circuit; Described feeding device, reducing mechanism, gas-solid separating device connect successively; Gas in described reducing mechanism is the inert gas of high speed and high pressure; The inert gas be separated from gas-solid separating device is sent into reducing mechanism by described inert gas closed circuit under the driving of wind drive unit, recycles inert gas.The protective gas sealing and circulating disintegrating apparatus that this invention proposes and disintegrating process, the inflammable and explosive dangerous goods such as sulphur can be pulverized safely and efficiently, but also there is certain deficiency in it, because disintegrating apparatus is applicable to the pulverizing of flammable materials, in crushing process, although there is nitrogen protection, but the temperature of flammable materials still can because of collision, interaction forces such as friction and increasing, this equipment cannot realize the material after to pulverizing and carry out cooling process, and pulverizing adopts air-flow crushing, need the inert gas of high speed and high pressure as crushing medium, energy consumption is high, safety coefficient is low, manipulation difficulty is large.Application number be 201410144244.7 patent discloses a kind of micronizer cooled with liquid nitrogen device, comprise the liquid nitrogen container that liquid nitrogen is housed and the vaporizer be connected with liquid nitrogen container, vaporizer is located in tank for coolant, vaporizer is provided with the nitrogen gas outlet passing to tank for coolant outside, cooling fluid is filled with in tank for coolant, cooler bin is also provided with temperature sensor, the output of tank for coolant is communicated with liquid circulation export pipeline, it is outside that liquid circulation pipeline portions is wound in micronizer cooler pan, the output of liquid circulation pipeline passes in tank for coolant, between liquid nitrogen container and vaporizer, liquid nitrogen pump is installed, liquid circulation export pipeline is provided with coolant pump, liquid nitrogen pump, coolant pump, temperature sensor is controlled by electric-control system.This invention can reduce the temperature of micronizer crushing rear material, but its liquid nitrogen consumption is large, and function singleness, cannot carry out classification separation to material.
Summary of the invention
Technical problem to be solved by this invention is, for the deficiencies in the prior art, provides a kind of and can realize safely and effectively pulverizing inflammable explosive material, the magnesium metal of classification and cooling pulverizes grading plant.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
Grading plant pulverized by a kind of magnesium metal, comprise feeding device, reducing mechanism, inert gas closed circuit, one-level gas-solid separating device, wind force driving device, secondary gas-solid separating device and dust arrester installation, described feeding device, reducing mechanism, one-level gas-solid separating device, wind force driving device, secondary gas-solid separating device is connected successively with dust arrester installation, described feeding device is provided with material inlet and inert gas import, described dust arrester installation arranges inert gas outlet, described inert gas closed circuit will send into described reducing mechanism from the isolated inert gas of described dust arrester installation by muffler, recycle inert gas, described one-level gas-solid separating device, the top of secondary gas-solid separating device and dust arrester installation is respectively equipped with venting of dust explosion mouth.
Further, described one-level gas-solid separating device is cyclone separator, and described secondary gas-solid separating device is multicyclone.
Further, described wind force driving device is blower fan, and air-valve installed by described blower fan.
Further, described inert gas import is arranged on the below of described material inlet.
Further, described wind force driving device connects inert gas and supplements pipeline, and described inert gas supplements install pipeline inert gas detection alarm instrument, and described inert gas detection alarm instrument is connected with PLC control system.
Further, described feeding device, reducing mechanism, one-level gas-solid separating device, wind force driving device, secondary gas-solid separating device are connected with PLC control system respectively with dust arrester installation.
Further, described one-level gas-solid separating device, secondary gas-solid separating device and dust arrester installation arrange liquid circulation pipeline respectively.
Further, described liquid circulation pipeline arranges pressure regulator valve, and described pressure regulator valve is connected with PLC control system signal.
Further, described one-level gas-solid separating device, described secondary gas-solid separating device, described dust arrester installation and described muffler be set temperature sensor respectively, and described temperature sensor is connected with PLC control system signal.
The process of grading plant pulverized by the above-mentioned magnesium metal of the present invention, comprises the steps:
Step S1, in described feeding device, be filled with inert gas by described inert gas import, make oxygen content wherein lower than setting value;
Step S2, material enters in reducing mechanism by described feeding device, material enters described one-level gas-solid separating device by pipeline after pulverizing in described reducing mechanism, under the driving of described wind force driving device, described secondary gas-solid separating device is entered through pipeline through the isolated inert gas of described one-level gas-solid separating device and partial material, described dust arrester installation is entered through pipeline through the isolated inert gas of described secondary gas-solid separating device and partial material, dust is all collected by described dust arrester installation, isolated inert gas cooled via return air pipe enters in described reducing mechanism.
Further, the process of grading plant pulverized by described magnesium metal, also comprises the steps: that inert gas is supplemented pipeline by described inert gas is filled with described wind force driving device, to ensure that described magnesium metal is pulverized in grading plant as malleation.
Further, the process of grading plant pulverized by described magnesium metal, also comprise the steps: when described inert gas detection alarm instrument detects the concentration of inert gas lower than setting value, automatic alarm, and send this signal to PLC control system, under the control of PLC control system, described feeding device, reducing mechanism, one-level gas-solid separating device, wind force driving device, secondary gas-solid separating device and dust arrester installation automatic stopping in order.
Further, the process of grading plant pulverized by described magnesium metal, also comprise the steps: that described temperature sensor sends the temperature detected to PLC control system, pid algorithm in described PLC control system can calculate the cooling liquid speed that applicable equipment runs, and send corresponding instruction to described pressure regulator valve, change the flow of cooling fluid, make the detected temperatures of temperature sensor be equal to or less than setting value.
Compared with prior art, its beneficial effect is as follows in the present invention:
Grading plant pulverized by a kind of magnesium metal of the present invention, comprise feeding device, reducing mechanism, inert gas closed circuit, gas-solid separating device, wind force driving device and dust arrester installation, by connection and the cooperation of said apparatus, can realize safely and effectively pulverizing inflammable explosive material, classification and cooling.
First; described reducing mechanism is provided with inert gas import; described dust arrester installation is provided with inert gas outlet; described inert gas closed circuit will send into described reducing mechanism from the isolated inert gas of described dust arrester installation, and recycle inert gas, inert gas is protective gas; also be the transmission medium of material; and inert gas can recycle, decrease the waste of material, economize on resources.
Secondly, by the setting of one-level gas-solid separating device, secondary gas-solid separating device and dust arrester installation, classification can be carried out to material, obtain varigrained material; Wind force driving device is arranged between described one-level gas-solid separating device and described secondary gas-solid separating device, the power demand before and after wind force driving device and integrated artistic demand are taken into account, the inert gas separated from one-level gas-solid separating device and partial material is driven to enter secondary gas-solid separating device smoothly, just can control the time of staying of material in reducing mechanism by controlling the flow of material in wind force driving device, thus control the granularity of material; The top of described one-level gas-solid separating device, secondary gas-solid separating device and dust arrester installation is respectively equipped with venting of dust explosion mouth; the setting of venting of dust explosion mouth is used for when the fortuitous events such as blast occur; the energy drag of blast release can be deviated from the direction of operator and apparatus main body, the safety of protection operator and apparatus main body.
Whole equipment, in running, has inert gas shielding, after material enters reducing mechanism, does not contact with air, avoids oxidation, can not be scattered simultaneously, decrease the pollution of working environment from device.Novel structure of the present invention, reasonable in design, safe and reliable, simple to operate, the pulverizing to inflammable and explosive oxidizable material, classification and cooling can be realized, gather multi-function in integral whole, practical.
Accompanying drawing explanation
Fig. 1: the structural representation of the embodiment of the present invention 1;
Fig. 2: the structural representation of the embodiment of the present invention 2;
Fig. 3: the structural representation of the embodiment of the present invention 3;
Fig. 4: the structural representation of the liquid circulation pipeline of dust arrester installation in the present invention;
Wherein, 1-feeding device, 2-reducing mechanism, 3-muffler, 4-one-level gas-solid separating device, 5-wind force driving device, 6-secondary gas-solid separating device, 7-dust arrester installation, 8-liquid circulation pipeline, 9-discharging opening, 10-outlet valve, 11-inert gas supplements pipeline, 12-inert gas detection alarm instrument, 13-PLC control system, 14-venting of dust explosion mouth, 15-liquid circulation pipeline, 16-appendix, 17-pressure regulator valve, 18-temperature sensor.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
Consult Fig. 1, the invention provides a kind of magnesium metal and pulverize grading plant, comprise feeding device 1, reducing mechanism 2, inert gas closed circuit, one-level gas-solid separating device 4, wind force driving device 5, secondary gas-solid separating device 6 and dust arrester installation 7, feeding device 1, reducing mechanism 2, one-level gas-solid separating device 4, wind force driving device 5, secondary gas-solid separating device 6 is connected successively with dust arrester installation 7, feeding device 1 is provided with material inlet 1-1 and inert gas import 1-2, dust arrester installation 7 arranges inert gas outlet, inert gas closed circuit will send into reducing mechanism 2 from the isolated inert gas of dust arrester installation 7 by muffler 3, recycle inert gas, one-level gas-solid separating device 4, the top of secondary gas-solid separating device 6 and dust arrester installation 7 is respectively equipped with venting of dust explosion mouth 14.
Inert gas import 1-2 is connected with source of the gas by appendix 16, and appendix 16 is provided with pressure sensor 16-1 and pressure regulator valve 16-2, for detecting and regulate the input pressure of inert gas respectively.Inert gas is protective gas, be also the transmission medium of material, and inert gas can recycle, decrease the waste of material, economize on resources, and inert gas adopts nitrogen.Source of the gas comes from inertial gas tank or from inert gas workshop.
Material inlet 1-1 is arranged on the top of feeding device 1, and the outlet of feeding device 1 connects reducing mechanism 2, for feeding in raw material to reducing mechanism 2.
Reducing mechanism 2 can select vibration superfine disintegrator, under the protection of inert gas, by magnesium metal or inflammable, the explosive or oxidizable crushing material close with its character.
Gas-solid separating device isolates magnesium metal solid, isolate inert gas simultaneously, much gas-solid separating device comprises one-level gas-solid separating device 4 and secondary gas-solid separating device 6, can obtain more alternative raw meal particle size scope like this, meet different application demands.Concrete, one-level gas solid separation fills preferred cyclone separator, and for by the material collection compared with coarsegrain, secondary gas-solid separating device 6 is multicyclone preferably, for the material collection by median particle size.According to process requirements, can also arrange three grades of gas-solid separating devices, even more multistage gas-solid separating device, is connected in series, and meanwhile, also needs power set and/or the condition of considering change system cloud gray model.
Wind force driving device 5 is connected with between one-level gas-solid separating device 4 and secondary gas-solid separating device 6, wind force driving device 5 can select blower fan, air-valve installed by blower fan, just can control the time of staying of material in reducing mechanism by controlling material by the flow in blower fan, thus the granularity of material can be controlled.
Gas-solid separating device is connected with dust arrester installation 7, then can by the material collection of smaller particle size.
Above-mentioned one-level gas-solid separating device 4, secondary gas-solid separating device 6 and dust arrester installation 7 are equipped with discharging opening 9, discharging opening 9 are arranged outlet valve 10, for the varigrained material collection be separated being got up.Preferably, discharging opening 9 can also be flexibly connected material collection cylinder, to collect and to store material.
The process of grading plant pulverized by above-mentioned magnesium metal, comprises the steps:
Step S1, in feeding device 1, be filled with inert gas by inert gas import, make oxygen content wherein lower than setting value;
Step S2, material enter in reducing mechanism 2 by feeding device 1, material enters one-level gas-solid separating device 4 by pipeline after pulverizing in reducing mechanism 2, under the driving of wind force driving device 5, secondary gas-solid separating device 6 is entered through pipeline through the isolated inert gas of one-level gas-solid separating device 4 and partial material, dust arrester installation 7 is entered through pipeline through the isolated inert gas of secondary gas-solid separating device 6 and partial material, dust is all collected by dust arrester installation 7, and isolated inert gas cooled via return air pipe 3 enters in reducing mechanism 2.
Embodiment 2
Consult Fig. 2, the invention provides a kind of magnesium metal and pulverize grading plant, comprise feeding device 1, reducing mechanism 2, inert gas closed circuit, one-level gas-solid separating device 4, wind force driving device 5, secondary gas-solid separating device 6 and dust arrester installation 7, feeding device 1, reducing mechanism 2, one-level gas-solid separating device 4, wind force driving device 5, secondary gas-solid separating device 6 is connected successively with dust arrester installation 7, feeding device 1 is provided with material inlet 1-1 and inert gas import 1-2, dust arrester installation 7 arranges inert gas outlet, inert gas closed circuit will send into reducing mechanism 2 from the isolated inert gas of dust arrester installation 7 by muffler 3, recycle inert gas, one-level gas-solid separating device 4, the top of secondary gas-solid separating device 6 and dust arrester installation 7 is respectively equipped with venting of dust explosion mouth 14.
Grading plant pulverized by magnesium metal described by the present embodiment, as different from Example 1: wind force driving device 5 connects inert gas and supplements pipeline 11, to ensure in magnesium metal crushing and classification device as malleation.
Inert gas supplements pipeline 11 and is provided with inert gas detection alarm instrument 12, and inert gas detection alarm instrument 12 is connected with PLC control system 13.
Feeding device 1, reducing mechanism 2, one-level gas-solid separating device 4, wind force driving device 5, secondary gas-solid separating device 6 are connected with PLC control system 13 respectively with dust arrester installation 7.
The process of grading plant pulverized by above-mentioned magnesium metal, comprises the steps:
Step S1, in feeding device 1, be filled with inert gas by inert gas import, make oxygen content wherein lower than setting value;
Step S2, material enter in reducing mechanism 2 by feeding device 1, material enters one-level gas-solid separating device 4 by pipeline after pulverizing in reducing mechanism 2, under the driving of wind force driving device 5, secondary gas-solid separating device 6 is entered through pipeline through the isolated inert gas of one-level gas-solid separating device 4 and partial material, dust arrester installation 7 is entered through pipeline through the isolated inert gas of secondary gas-solid separating device 6 and partial material, dust is all collected by dust arrester installation 7, and isolated inert gas cooled via return air pipe 3 enters in reducing mechanism 2;
Step S3, inert gas is supplemented pipeline 11 by inert gas be filled with wind force driving device 5, to ensure in magnesium metal crushing and classification device as malleation;
Step S4, when inert gas detection alarm instrument 12 detects the concentration of inert gas lower than setting value, automatic alarm, and send this signal to PLC control system 13, under the control of PLC control system 13, feeding device 1, reducing mechanism 2, one-level gas-solid separating device 4, wind force driving device 5, secondary gas-solid separating device 6 and dust arrester installation 7 automatic stopping in order.
Embodiment 3
Consult Fig. 3, the invention provides a kind of magnesium metal and pulverize grading plant, comprise feeding device 1, reducing mechanism 2, inert gas closed circuit, one-level gas-solid separating device 4, wind force driving device 5, secondary gas-solid separating device 6 and dust arrester installation 7, feeding device 1, reducing mechanism 2, one-level gas-solid separating device 4, wind force driving device 5, secondary gas-solid separating device 6 is connected successively with dust arrester installation 7, feeding device 1 is provided with material inlet 1-1 and inert gas import 1-2, dust arrester installation 7 arranges inert gas outlet, inert gas closed circuit will send into reducing mechanism 2 from the isolated inert gas of dust arrester installation 7 by muffler 3, recycle inert gas, one-level gas-solid separating device 4, the top of secondary gas-solid separating device 6 and dust arrester installation 7 is respectively equipped with venting of dust explosion mouth 14.
Grading plant pulverized by magnesium metal described by the present embodiment, as different from Example 2:
One-level gas-solid separating device 4, secondary gas-solid separating device 6 and dust arrester installation 7 arrange liquid circulation pipeline 15 respectively.
Consult Fig. 4, for dust arrester installation 7, the concrete method to set up of liquid circulation pipeline 15 in the present invention is described: the outer wall 7-1 of dust arrester installation 7 is provided with interlayer 7-2, be cavity between above-mentioned outer wall 7-1 and interlayer 7-2, liquid circulation pipeline 15 depends on above-mentioned outer wall 7-1 and to spiral the helically structure that rises in above-mentioned cavity.Liquid circulation pipeline 15 connects feed tube 15-1 and drain pipe 15-2, and feed tube 15-1 is positioned at the bottom of device, and drain pipe 15-2 is positioned at the top of device.
For this liquid circulation pipeline, preferably, feed tube 15-1 is connected with liquid pump, feed tube 15-1 arranges pressure regulator valve 17, to regulate break-make and the flow (circulation rate) of cooling fluid, near liquid outlet place set temperature sensor on drain pipe 15-2, pressure regulator valve 17 and temperature sensor are connected with PLC control system 13 signal respectively, get final product A.T.C, economize energy.
In one-level gas-solid separating device 4 and secondary gas-solid separating device 6, the setting of liquid circulation pipeline 15 can with reference to the concrete method to set up of dust arrester installation 7.
One-level gas-solid separating device 4, secondary gas-solid separating device 6, dust arrester installation 7 and muffler 3 be set temperature sensor 18 respectively, and temperature sensor 18 is connected with PLC control system 13 signal.Temperature sensor 18 is for obtaining the temperature in one-level gas-solid separating device 4, secondary gas-solid separating device 6, dust arrester installation 7 and muffler 3 respectively, send this temperature to PLC control system 13, pid algorithm in PLC control system 13 can calculate the cooling liquid speed that applicable equipment runs, change the flow of cooling fluid, when temperature height, increase the circular flow of cooling fluid, when temperature is low, can liquid circulation be closed, and send corresponding instruction to pressure regulator valve 17.
The process of grading plant pulverized by above-mentioned magnesium metal, comprises the steps:
Step S1, in reducing mechanism 2, be filled with inert gas, make oxygen content wherein lower than setting value;
Step S2, by feeding device 1, material is sent in reducing mechanism 2, material enters one-level gas-solid separating device 4 by pipeline after pulverizing in reducing mechanism 2, under the driving of wind force driving device 5, secondary gas-solid separating device 6 is entered through pipeline through the isolated inert gas of one-level gas-solid separating device 4 and partial material, dust arrester installation 7 is entered through pipeline through the isolated inert gas of secondary gas-solid separating device 6 and partial material, dust is all collected by dust arrester installation 7, and isolated inert gas cooled via return air pipe 3 enters in reducing mechanism 2;
Step S3, temperature sensor 18 send the temperature detected to PLC control system 13, pid algorithm in PLC control system 13 can calculate the cooling liquid speed that applicable equipment runs, and send corresponding instruction to pressure regulator valve 17, change the flow of cooling fluid, make the detected temperatures of temperature sensor 18 be equal to or less than setting value.
Embodiment listed by the present invention, is only the embodiment that part of the present invention is concrete, is more preferably, above-described embodiment can also be carried out organic assembling, to make the function of magnesium metal of the present invention pulverizing grading plant more, security performance is better, more convenient to operate, control simpler.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, other amendments that those of ordinary skill in the art make technical scheme of the present invention or equivalently to replace, only otherwise depart from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of right of the present invention.
Claims (10)
1. grading plant pulverized by a magnesium metal, it is characterized in that: comprise feeding device, reducing mechanism, inert gas closed circuit, one-level gas-solid separating device, wind force driving device, secondary gas-solid separating device and dust arrester installation, described feeding device, reducing mechanism, one-level gas-solid separating device, wind force driving device, secondary gas-solid separating device is connected successively with dust arrester installation, described feeding device is provided with material inlet and inert gas import, described dust arrester installation arranges inert gas outlet, described inert gas closed circuit will send into described reducing mechanism from the isolated inert gas of described dust arrester installation by muffler, recycle inert gas, described one-level gas-solid separating device, the top of secondary gas-solid separating device and dust arrester installation is respectively equipped with venting of dust explosion mouth.
2. grading plant pulverized by a kind of magnesium metal as claimed in claim 1, and it is characterized in that: described one-level gas-solid separating device is cyclone separator, described secondary gas-solid separating device is multicyclone.
3. grading plant pulverized by a kind of magnesium metal as claimed in claim 1, it is characterized in that: described wind force driving device is blower fan, and air-valve installed by described blower fan.
4. grading plant pulverized by a kind of magnesium metal as claimed in claim 1, it is characterized in that: described inert gas import is arranged on the below of described material inlet.
5. grading plant pulverized by a kind of magnesium metal as claimed in claim 1, it is characterized in that: described wind force driving device connects inert gas and supplements pipeline, described inert gas supplements install pipeline inert gas detection alarm instrument, and described inert gas detection alarm instrument is connected with PLC control system.
6. grading plant pulverized by a kind of magnesium metal as claimed in claim 5, it is characterized in that: described feeding device, reducing mechanism, one-level gas-solid separating device, wind force driving device, secondary gas-solid separating device are connected with PLC control system respectively with dust arrester installation.
7. grading plant pulverized by a kind of magnesium metal as claimed in claim 1, it is characterized in that: described one-level gas-solid separating device, secondary gas-solid separating device and dust arrester installation arrange liquid circulation pipeline respectively.
8. grading plant pulverized by a kind of magnesium metal as claimed in claim 7, it is characterized in that: described liquid circulation pipeline arranges pressure regulator valve, and described pressure regulator valve is connected with PLC control system signal.
9. grading plant pulverized by a kind of magnesium metal as claimed in claim 8, it is characterized in that: described one-level gas-solid separating device, described secondary gas-solid separating device, described dust arrester installation and described muffler be set temperature sensor respectively, and described temperature sensor is connected with PLC control system signal.
10. a process for grading plant pulverized by magnesium metal, it is characterized in that, comprises the steps:
Step S1, in described feeding device, be filled with inert gas by described inert gas import, make oxygen content wherein lower than setting value;
Step S2, material enters in reducing mechanism by described feeding device, material enters described one-level gas-solid separating device by pipeline after pulverizing in described reducing mechanism, under the driving of described wind force driving device, described secondary gas-solid separating device is entered through pipeline through the isolated inert gas of described one-level gas-solid separating device and partial material, described dust arrester installation is entered through pipeline through the isolated inert gas of described secondary gas-solid separating device and partial material, dust is all collected by described dust arrester installation, isolated inert gas cooled via return air pipe enters in described reducing mechanism.
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| CN108380350A (en) * | 2018-02-08 | 2018-08-10 | 西南科技大学 | The closed cycle drug processing technology and device of no isopropanol discharge |
| CN110721797A (en) * | 2019-11-28 | 2020-01-24 | 潍坊正远粉体工程设备有限公司 | Separation and purification device for metal auxiliary material mixed material |
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| 齐立强等: "《燃煤电厂输灰系统及控制技术》", 30 September 2014 * |
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| CN107051691A (en) * | 2017-04-10 | 2017-08-18 | 太仓金溪粉碎设备有限公司 | A kind of intelligently realizing explosion-proof air-flow crushing and hierarchy system |
| CN108380350A (en) * | 2018-02-08 | 2018-08-10 | 西南科技大学 | The closed cycle drug processing technology and device of no isopropanol discharge |
| CN110721797A (en) * | 2019-11-28 | 2020-01-24 | 潍坊正远粉体工程设备有限公司 | Separation and purification device for metal auxiliary material mixed material |
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