CN105345016B - A kind of magnesium alloy crushing system and method - Google Patents
A kind of magnesium alloy crushing system and method Download PDFInfo
- Publication number
- CN105345016B CN105345016B CN201510896089.9A CN201510896089A CN105345016B CN 105345016 B CN105345016 B CN 105345016B CN 201510896089 A CN201510896089 A CN 201510896089A CN 105345016 B CN105345016 B CN 105345016B
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- China
- Prior art keywords
- gas
- hopper
- roll crusher
- double roll
- ball valve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/045—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by other means than ball or jet milling
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- Crushing And Grinding (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of magnesium alloy crushing system and method, including source of the gas, top hopper, electro-vibrating feeder, epimere Double roll crusher, hypomere Double roll crusher, bottom hopper, oxygen detection instrument；Top hopper, electro-vibrating feeder, epimere Double roll crusher, hypomere Double roll crusher, bottom hopper are sequentially connected from top to bottom；Top hopper, epimere Double roll crusher, hypomere Double roll crusher, bottom hopper contain the air inlet close to bottom and the gas outlet close to top；Source of the gas connects air inlet by pipeline, and gas outlet connection blast pipe, blast pipe installs oxygen detection instrument；The pipeline being connected with source of the gas is divided into two-way, is connected all the way through pressure-reducing valve and pneumatic ball valve with air inlet, and another road connects solenoid directional control valve.System context safety, source gas is using less, and apparatus structure is simple, is easy to operation.Low to environmental requirement, crushing cost is small, and organic efficiency is high.
Description
Technical field
The present invention relates to metal processing sectors, more precisely, it is related to a kind of magnesium alloy crushing system and reclaims processing unit (plant)
And method.
Background technology
The production of magnesium alloy pressure-casting will inevitably produce magnesium alloy waste material, and usual magnesium alloy pressure-casting only has 30% original
Material is used for finished work-piece, and remaining major part will be consumed in running channel, cast gate, material handle, overflow launder, removed the one-levels such as material handle and given up
Expect to recycle by two grades of meltings the need for remaining.
Magnesium alloy waste material, which is reclaimed, is most commonly used that smelting process, and its technical process is：Waste material pretreatment → fusing → is removed
Iron → degasification and slagging-off → casting.It is cumbersome and with high costs that this method reclaims magnesium flow.
Again because magnesium is active metal, if using other alloy breaking methods, such as dry state mechanical crushing method, then bulk
It is transformed into powdered, adds contact area of the magnesium metal with oxygen, easily burn, or even blast, therefore dry state machinery
Comminuting method is more dangerous.Traditional shredder, disintegrating machine etc. it is not only dangerous high, and organic efficiency is low, manpower and materials into
This is all very high, and operation difficulty is big.
The content of the invention
For problems of the prior art, it is contemplated that the technical problem realized is：Design is a kind of safe
Magnesium alloy crushing system, reduce magnesium metal recovery cost.
In order to realize foregoing invention purpose, its technical scheme used for：A kind of magnesium alloy crushing system, its feature exists
In：Including source of the gas, top hopper, electro-vibrating feeder, epimere Double roll crusher, hypomere Double roll crusher, bottom hopper, oxygen
Gas detector；The source of the gas is nitrogen or argon gas；The bleed pressure is not less than 0.6MPa.
The top hopper, the electro-vibrating feeder, the epimere Double roll crusher, the hypomere are crushed to roller
Machine, the bottom hopper are sequentially connected from top to bottom；The top hopper, the epimere Double roll crusher, the hypomere are to roller
Pulverizer, the bottom hopper contain the air inlet close to bottom and the gas outlet close to top；The source of the gas is connected by pipeline
Gas port is tapped into, gas outlet connection blast pipe, the blast pipe installs the oxygen detection instrument.
The pipeline being connected with the source of the gas is divided into two-way, is connected all the way through pressure-reducing valve and pneumatic ball valve with air inlet, another
Road connects solenoid directional control valve.Nitrogen or argon pressure after pressure-reducing valve are less than 0.1MPa.The solenoid directional control valve is connected to
The pneumatic ball valve, controls the unlatching of the pneumatic ball valve, closes；Check-valves and back-fire relief are installed after the oxygen detection instrument
Device.
Limit switch one, the bottom hopper and the hypomere Double roll crusher are provided with the cover plate of the top hopper
Limit switch two is provided with interface cover plate；The bottom hopper is placed in liftable moving cart；Liftable when using
Moving cart is placed on electronic platform scale.
When the limit switch one, the limit switch two are opened, the epimere Double roll crusher and the hypomere are to roller
The main frame of pulverizer, the electro-vibrating feeder and the pneumatic ball valve are turned off；The limit switch one, described spacing open
Close two and all close the rear pneumatic ball valve opening, displaced air, the oxygen detection instrument detection on the blast pipe
Into the gas of discharge, oxygen concentration reaches host-initiated during permissible value IPPM, the electro-vibrating feeder feed.
Raw material to be broken is first weighed puts into the top hopper again；Treated brokenly when the display of weighing of the bottom hopper reaches
During the weight of broken raw material, or any a period of time aft engine that is delayed is shut down, pneumatic ball valve is closed.Pneumatic ball valve is prior to main frame
Start, pneumatic ball valve is simultaneously closed off with main frame during closing
Beneficial effects of the present invention are：By source of the gas displaced air when using, oxygen, afterbody detection oxygen content are excluded, it is ensured that
System context safety, eliminates the danger of burning or blast in magnesium alloy crushing process, and security is good；Source of the gas passes through decompression
Valve, reduces the waste of source gas, and is reasonably distributed flow system flow, improves system layout and operating mode.Apparatus structure letter
It is single, it is easy to operation.Low to environmental requirement, crushing cost is small, and organic efficiency is high.
Brief description of the drawings
Fig. 1 is the crushing system structure chart of the embodiment of the present invention.
1 is source of the gas, and 2 be top hopper, and 3 be electro-vibrating feeder, and 4 be epimere Double roll crusher, and 5 be hypomere to roller powder
Broken machine, 6 be bottom hopper, and 7 be oxygen detection instrument；11 be pressure-reducing valve, and 12 be pneumatic ball valve, and 13 be solenoid directional control valve；21 are limited
Bit switch one；61 be limit switch two, and 62 be liftable moving cart, and 63 be electronic platform scale；71 be check-valves, and 72 be back-fire relief
Device.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in figure 1, crushing system include source of the gas, the top hopper being sequentially connected from top to bottom, electro-vibrating feeder,
Epimere Double roll crusher, hypomere Double roll crusher, bottom hopper, oxygen detection instrument；Source of the gas is nitrogen or argon gas.
Top hopper, epimere Double roll crusher, hypomere Double roll crusher, bottom hopper contain close to bottom air inlet and
Gas outlet close to top；Source of the gas connects air inlet by pipeline, and gas outlet connection blast pipe, blast pipe installs oxygen detection
Instrument.
The pipeline being connected with source of the gas is divided into two-way, is connected all the way through pressure-reducing valve and pneumatic ball valve with air inlet, and another road connects
Connect solenoid directional control valve.Solenoid directional control valve is connected to pneumatic ball valve, controls the unlatching of pneumatic ball valve, closes；After oxygen detection instrument
Check-valves and spark arrester are installed.Limit switch one, bottom hopper and hypomere Double roll crusher are provided with the cover plate of top hopper
Limit switch two is provided with interface cover plate；Bottom hopper is placed in liftable moving cart；Liftable moving cart when using
It is placed on electronic platform scale.
The operating process of the system is：Step 1: raw material to be broken is weighed；
Step 2: raw material to be broken is put into top hopper；When limit switch one, limit switch two are opened, epimere pair
Main frame, electro-vibrating feeder and the pneumatic ball valve of roller pulverizer and hypomere Double roll crusher are remained turned-off；
Step 3: after limit switch one, limit switch two all close, pneumatic ball valve is opened, source of the gas work, displacement is empty
Gas；Source of the gas is nitrogen or argon gas；Bleed pressure is not less than 0.6MPa；Nitrogen or argon pressure after pressure-reducing valve are less than
0.1MPa；
Step 4: the oxygen detection instrument on blast pipe, which detects oxygen concentration in the gas of discharge, reaches permissible value
When, the host-initiated of epimere Double roll crusher and hypomere Double roll crusher, electro-vibrating feeder feed；
Step 5: when the display of weighing of bottom hopper reaches the weight of raw material to be broken, it is main after delay certain time
Machine is shut down, and pneumatic ball valve is closed；
Step 6: unloading bottom hopper, remove and change another bottom hopper, complete a working cycles.
In summary, the magnesium alloy crushing system is safe, simple in construction, and strong, easy to operate with compatibility,
The low advantage of use cost.In addition, the technological thought of the embodiment of the above only to illustrate the invention, it is impossible to limit the present invention with this
Protection domain, every according to technological thought proposed by the present invention, any change done on the basis of technical scheme is each fallen within
Within the scope of the present invention.The technology that the present invention is not directed to can be realized by existing technology.
Claims (2)
1. a kind of magnesium alloy crushing system, it is characterised in that：Including source of the gas（1）, top hopper（2）, electro-vibrating feeder
（3）, epimere Double roll crusher（4）, hypomere Double roll crusher（5）, bottom hopper（6）, oxygen detection instrument（7）；The source of the gas（1）
For nitrogen or argon gas；The source of the gas（1）Pressure is not less than 0.6MPa；
The top hopper（2）, the electro-vibrating feeder（3）, the epimere Double roll crusher（4）, the hypomere is to roller
Pulverizer（5）, the bottom hopper（6）It is sequentially connected from top to bottom；
The top hopper（2）, the epimere Double roll crusher（4）, the hypomere Double roll crusher（5）, the bottom hopper
（6）Contain the air inlet close to bottom and the gas outlet close to top；
The source of the gas（1）Air inlet is connected by pipeline, gas outlet connection blast pipe, the blast pipe installs the oxygen detection
Instrument（7）；
With the source of the gas（1）The pipeline of connection is divided into two-way, all the way through pressure-reducing valve（11）And pneumatic ball valve（12）With air inlet phase
Even, another road connects solenoid directional control valve（13）；By the pressure-reducing valve（11）Nitrogen or argon pressure afterwards is less than 0.1MPa；Institute
State solenoid directional control valve（13）It is connected to pneumatic ball valve（12）, control the pneumatic ball valve（12）Unlatching, close；The oxygen inspection
Survey instrument（7）Check-valves is installed afterwards（71）With spark arrester（72）；
The top hopper（2）Cover plate at be provided with limit switch one（21）, the bottom hopper（6）With the hypomere to roller powder
Broken machine（5）Interface cover plate at be provided with limit switch two（61）；The bottom hopper（6）It is placed on liftable moving cart（62）
On；Liftable moving cart when using（62）It is placed in electronic platform scale（63）On；
The limit switch one（21）, the limit switch two（61）During opening, the epimere Double roll crusher（4）Under described
Section Double roll crusher（5）Main frame, the electro-vibrating feeder（3）And the pneumatic ball valve（12）It is turned off；It is described spacing
Switch one（21）, the limit switch two（61）All close the rear pneumatic ball valve（12）Open, displaced air, positioned at described
The oxygen detection instrument on blast pipe（7）Detect oxygen concentration in the gas of discharge and reach main frame during permissible value IPPM
Start, the electro-vibrating feeder（3）Feed；
Raw material to be broken is first weighed puts into the top hopper again（2）；When the bottom hopper（6）Display of weighing reach and treat
During the weight of broken raw material, or any a period of time aft engine that is delayed is shut down, pneumatic ball valve（12）Close；Pneumatic ball valve
（12）Prior to host-initiated, pneumatic ball valve during closing（12）Simultaneously closed off with main frame；
The solenoid directional control valve（13）For 1/8 latus rectum, the oxygen detection instrument（7）For the oxygen concentration on-line checking with teletransmission
Instrument, pipeline, blast pipe are stainless steel, and bus latus rectum is more than branch line.
2. the magnesium alloy breaking method of magnesium alloy crushing system described in a kind of application claim 1, it is characterised in that including following
Step：
Step 1: raw material to be broken is weighed；
Step 2: raw material to be broken is put into top hopper；
Step 3: after limit switch one, limit switch two all close, pneumatic ball valve is opened, source of the gas work, displaced air；
Step 4: the oxygen detection instrument on blast pipe, which detects oxygen concentration in the gas of discharge, reaches permissible value IPPM
When, the host-initiated of epimere Double roll crusher and hypomere Double roll crusher, the electro-vibrating feeder feed；
Step 5: when the display of weighing of bottom hopper reaches the weight of raw material to be broken, the main shut-down system is described pneumatic
Ball valve is closed；
Step 6: unloading the bottom hopper, remove and change another bottom hopper, complete a working cycles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510896089.9A CN105345016B (en) | 2015-12-08 | 2015-12-08 | A kind of magnesium alloy crushing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510896089.9A CN105345016B (en) | 2015-12-08 | 2015-12-08 | A kind of magnesium alloy crushing system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105345016A CN105345016A (en) | 2016-02-24 |
| CN105345016B true CN105345016B (en) | 2017-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510896089.9A Expired - Fee Related CN105345016B (en) | 2015-12-08 | 2015-12-08 | A kind of magnesium alloy crushing system and method |
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| Country | Link |
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| CN (1) | CN105345016B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6858371B2 (en) * | 2017-04-27 | 2021-04-14 | 国立研究開発法人産業技術総合研究所 | Powder and its manufacturing method |
| CN108031852B (en) * | 2018-01-16 | 2021-03-23 | 汕尾市索思电子封装材料有限公司 | Preparation method and preparation device of Au-X nano alloy powder |
| CN108535210B (en) * | 2018-06-19 | 2023-12-05 | 北京市农林科学院信息技术研究中心 | Sample grinding device for terahertz spectrum measurement |
| CN108996261A (en) * | 2018-07-06 | 2018-12-14 | 宁波松科磁材有限公司 | The automatic feeding storehouse of new-energy automobile magnet steel feed proportioning equipment |
| CN211576724U (en) * | 2020-03-05 | 2020-09-25 | 中国标准化研究院 | Heterogeneous bulk material sample mixing device |
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| JPH10287904A (en) * | 1997-04-17 | 1998-10-27 | Matsushita Electric Ind Co Ltd | Method and equipment for manufacturing small metal piece |
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| CN1410206A (en) * | 2001-09-21 | 2003-04-16 | 吴庆林 | Metallic aluminium powder deep processing technology |
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| CN105345016A (en) | 2016-02-24 |
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