CN105414557B - Full auto-programs control dry method carries out liquid metal granulation system and its method - Google Patents
Full auto-programs control dry method carries out liquid metal granulation system and its method Download PDFInfo
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- CN105414557B CN105414557B CN201510964784.4A CN201510964784A CN105414557B CN 105414557 B CN105414557 B CN 105414557B CN 201510964784 A CN201510964784 A CN 201510964784A CN 105414557 B CN105414557 B CN 105414557B
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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
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
Abstract
The present invention relates to shotting technology; specifically refer to it is a kind of can Automatic Control and the higher full auto-programs control dry method of security performance carry out liquid metal granulation system and its method; including automatic liquid supply system 1, middle feed flow overflow system 2, automatic dry granulation system 3, automatic dehydration screening finished product drying system 4, automatic magnetic chip removal system 5, automatic transport aggregate-storing system 6, finished product automatic bagging system 7 and switch board 8；The above all security for shotting; product qualified rate and production efficiency; granulating method is sprayed using dry method; utilize the performance expanded with heat and contract with cold of gas; when running into high temperature fluent metal during gas expansion; the tension force on surface smashes high temperature fluent metal so as to reach granulation effect; while by controlling the flow velocity and the speed and flow of flow and gas of high temperature fluent metal; so as to can not only prevent the situation of blast; the granular size of shotting can be effectively adjusted simultaneously; and this production efficiency is high, granulated metal yield is high.
Description
Technical field
The present invention relates to shotting technology, in particular to a kind of full auto-programs control dry method to carry out liquid metal system
And its method.
Background technology
With the fast development of science and technology, the purposes of metallic particles is more and more extensive, as indium and its alloy are widely used in electricity
Sub- semiconductor, solder and its industry of metal need to be filled it is used for tooled joint.
At present, the method that relevant metal is granulated mainly has molten drop method, splashing method and a casting die, in splashing method smelting process,
Melt can be granulated using water under high pressure.One fixed shower nozzle, high temperature melting are installed i.e. below the chute passed through for melt
Body flows out from chute and wandering will wrap up in the high-velocity flow upper surface that shower nozzle sprays, the high-velocity flow that shower nozzle sprays on width
Melt flow, high-temperature liquid state melt flow is disperseed by high-velocity flow during outflow, decline, smashed, along with high-temperature liquid state melt
Stream meets water quick cooling and shrinks generation stress concentration and crush, efflorescence, while has carried out heat exchange, liquid melts stream is entered in water curtain
Row granulation, then falls into pond and further cools.But existing this granulating device granulation when exist the problem of be exactly：
Water is involved in melt slag or water level is under continuous slag blanket, at this moment can form a closed system, is handed over the heat of dampening, slag
Change, the pressure in the system can be raised drastically, so as to produce heavy explosion, that is to say, that be prone in existing granulating device
Explosion phenomenon, then certain harm will be all caused to the equipment property and the person of surrounding, while the noise also shadow that explodes
Living environment around having rung.
The content of the invention
For the problems of the prior art, the present invention provide it is a kind of can Automatic Control and higher full-automatic of security performance
Programme-control dry method carries out liquid metal granulation system and its method.
To realize above technical purpose, the technical scheme is that:A kind of full auto-programs control dry method carries out liquid
Shotting system, including automatic liquid supply system, middle feed flow overflow system, automatic dry granulation system, automatic dehydration screening
Finished product drying system, automatic magnetic chip removal system, automatic transport aggregate-storing system, finished product automatic bagging system and switch board, it is described
Automatic liquid supply system includes automatic hydraulic system, molten steel tank and feed flow frame, the middle feed flow overflow system include overflow tank and
Overflow launder, the automatic dry granulation system include dry granulation tank, automatic inflating-air device and pressure-air ejecting gun, the steel
Flow container is rotatably assorted with feed flow frame, and the automatic hydraulic system and molten steel tank link, and the liquid outlet of the molten steel tank is towards dry method
Tank entrance is granulated, the pressure-air ejecting gun is arranged in dry granulation tank, and the automatic inflating-air device sprays with pressure-air
Rifle connection is penetrated, the overflow launder is arranged on dry granulation tank porch, and the overflow tank connects with overflow launder, the automatic dehydration
Sieve finished product drying system and automatic dry granulation system connectivity, the automatic dehydration screening finished product drying system, automatic magnetic
Chip removal system is sequentially connected with automatic transport aggregate-storing system and finished product automatic bagging system, the switch board respectively with automatic hydraulic
System, automatic inflating-air device, pressure-air ejecting gun, automatic dehydration screening finished product drying system, automatic magnetic chip removal system with
Automatic transport aggregate-storing system and finished product automatic bagging system connect respectively.
Preferably, the switch board is controlled using PLC.
Preferably, the automatic inflating-air device includes air inlet pipe and escape pipe, the escape pipe is arranged on dry granulation
In tank, the air inlet pipe is arranged on outside dry granulation tank and connected with dry granulation tank.
Preferably, described pressure-air ejecting gun, which is arranged in dry granulation tank, refers to that pressure-air ejecting gun is installed
In the center of dry granulation tank.
Preferably, described pressure-air ejecting gun, which is arranged in dry granulation tank, refers to that pressure-air ejecting gun is installed
In the side wall of dry granulation tank.
Preferably, described automatic injection granulation rifle is made of refractory material.
Preferably, the automatic inflating-air device is supplied using inert gas.
To realize above technical purpose, the technical scheme is that:A kind of full auto-programs control dry method carries out liquid
Shotting method,
Step 1: feed flow, high temperature fluent metal are located at molten steel tank by automatic liquid supply system feed flow, high temperature fluent metal
In, by the gradient of automatic hydraulic system fading margin molten steel tank, liquid metal flux is automatically adjusted by high-temperature liquid state so as to reach
Metal is injected into middle feed flow overflow system；
Step 2: overflow, high temperature fluent metal enter the overflow launder of middle feed flow overflow system, unnecessary high-temperature liquid state gold
Category prolongs overflow launder and enters overflow tank, meets flow velocity and quantitative high temperature fluent metal enters automatic dry granulation system；
Step 3: supply, automatic hydraulic system automatic pressure control and flow supply for pressure-air ejecting gun；
Step 4: the pressure-air ejecting gun in granulation, automatic dry granulation system sprays towards high temperature fluent metal stream
Carry out diversity and crush granulated processed, be cooled into less molten metal particle, molten metal particle enters water-filling by dry granulation
Quench and handle storehouse, metallic particles is formed by Water Quenching；
Step 5: dehydration chip removal, metallic particles sieve finished product drying system and automatic magnetic chip removal system by automatic dehydration
System dehydration screening, metallic particles dehydration and and other particle separate devices by necessary requirement specification；The metallic particles to fall short of specifications
Discharged by automatic chip-removal；
Step 6: drying, metallic particles up to specification, by drying automatically, drying process obtains regulation aridity requirement
Metallic particles；
Step 7: transport dress wraps, reaches required every shotting technical requirements, sort and reach requirement humidity and particle
The metallic particles of degree, automatic storing is carried out by Belt Conveying or other automatic material conveying devices；It is determined that pack requirement under,
By packing packing after automatic weighing.
From the above, it can be seen that the present invention possesses advantages below：Whole dry granulation methods, a full set of PLC automations
Programme-control, ensure temperature, flow and the pressure and other parameters of dry granulation by automatic control system, it is ensured that the security of operation
And reliability.This method environmental protection, energy-conservation, safety, operating cost is low, yield is higher, product quality more preferably, product can obtain for user
Get Geng Gao metal utilization rate.The important technology that high-quality metal refining techniques will be turned into forms.
Brief description of the drawings
Fig. 1 is that the full auto-programs control dry method of the present invention carries out the structural representation of liquid metal system.
Fig. 2 is that the full auto-programs control dry method of the present invention carries out the elevation of liquid metal system.
Fig. 3 is that the full auto-programs control dry method of the present invention carries out the plan of liquid metal system.
Fig. 4 is the structural representation that the full auto-programs control dry method of the present invention carries out the dry granulation tank of liquid metal system
Figure.
Fig. 5 is the structural representation that the full auto-programs control dry method of the present invention carries out the dry granulation tank of liquid metal system
Figure.
Embodiment
Described with reference to the accompanying drawings, a kind of full auto-programs control dry method carries out liquid metal granulation system, including automatic liquid supply
System 1, middle feed flow overflow system 2, automatic dry granulation system 3, automatic dehydration screening finished product drying system 4, automatic magnetic
Chip removal system 5, automatic transport aggregate-storing system 6, finished product automatic bagging system 7 and switch board 8, the automatic liquid supply system 1 include
Automatic hydraulic system 1.0, molten steel tank 1.1 and feed flow frame 1.2, the middle feed flow overflow system 2 include overflow tank 2.0 and overflow
Groove 2.1, the automatic dry granulation system 3 include dry granulation tank 3.0, automatic inflating-air device 3.1 and pressure-air ejecting gun
3.2, the molten steel tank 1.1 is rotatably assorted with feed flow frame 1.2, and the automatic hydraulic system 1.0 links with molten steel tank 1.1, described
The liquid outlet of molten steel tank 1.1 is arranged on dry granulation tank towards the entrance of dry granulation tank 3.0, the pressure-air ejecting gun 3.2
In 3.0, the automatic inflating-air device 3.1 connects with pressure-air ejecting gun 3.2, and the overflow launder 2.1 is arranged on dry granulation
The porch of tank 3.0, the overflow tank 2.0 connect with overflow launder 2.1, automatic dehydration screening finished product drying system 4 with it is automatic
Dry granulation system 3 connects, and the automatic dehydration screening finished product drying system 4, automatic magnetic chip removal system 5 store up with automatic transport
Material system 6 and finished product automatic bagging system 7 are sequentially connected, the switch board 8 respectively with automatic hydraulic system 1.0, automatic feeding
Device 3.1, pressure-air ejecting gun 3.2, automatic dehydration screening finished product drying system 4, automatic magnetic chip removal system 5 with it is automatically defeated
Aggregate-storing system 6 and finished product automatic bagging system 7 is sent to connect respectively.
The switch board 8 is controlled using PLC.
The automatic inflating-air device 3.1 includes air inlet pipe 3.11 and escape pipe 3.12, and the escape pipe 3.12 is arranged on dry
In method granulation tank 3.0, the air inlet pipe 3.11 is arranged on outside dry granulation tank 3.0 and connected with dry granulation tank 3.0.
Described pressure-air ejecting gun 3.2, which is arranged in dry granulation tank 3.0, refers to that pressure-air ejecting gun 3.2 is installed
In the center of dry granulation tank 3.0.
Described pressure-air ejecting gun 3.2, which is arranged in dry granulation tank 3.0, refers to that pressure-air ejecting gun 3.2 is installed
In the side wall of dry granulation tank 3.0.
Described automatic injection granulation rifle 3.2 is made of refractory material.
A kind of full auto-programs control dry method carries out liquid metal granulating method,：
Step 1: feed flow, high temperature fluent metal are located at molten steel tank by the feed flow of automatic liquid supply system 1, high temperature fluent metal
In 1.1, the gradient of molten steel tank 1.1 is adjusted by automatic hydraulic system 1.0, liquid metal flux general is automatically adjusted so as to reach
High temperature fluent metal is injected into middle feed flow overflow system 2；
Step 2: overflow, high temperature fluent metal enter the overflow launder 2.1 of middle feed flow overflow system 2, unnecessary high-temperature liquid
State metal prolongs overflow launder 2.1 and enters overflow tank 2.0, meets flow velocity and quantitative high temperature fluent metal enters automatic dry granulation system
System 3；
Supplied Step 3: supply, the automatic pressure control of automatic hydraulic system 1.0 and flow are pressure-air ejecting gun 3.2；
Step 4: granulation, the pressure-air ejecting gun 3.2 in automatic dry granulation system 3 are towards high temperature fluent metal stream
Injection carries out diversity and crushes granulated processed, is cooled into less molten metal particle, molten metal particle is entered by dry granulation
Row Water Quenching storehouse, metallic particles is formed by Water Quenching；
Step 5: dehydration chip removal, metallic particles sieve finished product drying system 4 and automatic magnetic chip removal system by automatic dehydration
The dehydration screening of system 5, metallic particles dehydration and and other particle separate devices by necessary requirement specification；The metallic particles to fall short of specifications
Discharged by automatic chip-removal；
Step 6: drying, metallic particles up to specification, by drying automatically, drying process obtains regulation aridity requirement
Metallic particles；
Step 7: transport dress wraps, reaches required every shotting technical requirements, sort and reach requirement humidity and particle
The metallic particles of degree, automatic storing is carried out by Belt Conveying or other automatic material conveying devices；It is determined that pack requirement under,
By packing packing after automatic weighing.
High temperature fluent metal, by being fitted into the tank of automatic liquid supply system for liquid metal, is passed through by automatic liquid supply system
The upset of liquid-supplying system device frame, liquid metal according to certain temperature and flow to granulation system feed flow, by high-temperature liquid state gold
Certain granulation flow velocity is controlled to enter injection granulation system after liquid-supplying system among category injection, beyond the liquid metal of control flow
Into overflow tank overflow, control temperature, the high temperature fluent metal of flow enter dry method injection granulation system, with passing through at purification
Manage and the gas column making contact of the ejecting gun of automatic pressure control and flow injection, progress diversity crush granulated processed, cooling
Less molten metal particle is formed, molten metal particle carries out Water Quenching storehouse by dry granulation, gold is formed by Water Quenching
Metal particles, metallic particles are sieved by being dehydrated, metallic particles dehydration and and other particle separate devices by necessary requirement specification；It is not inconsistent
The metallic particles for closing specification is discharged by automatic chip-removal；By drying automatically, drying process obtains metallic particles up to specification
Provide aridity requirement；Every shotting technical requirements needed for reaching, sort the metal for reaching requirement humidity and granularity
Particle, automatic storing is carried out by Belt Conveying or other automatic material conveying devices；It is determined that pack requirement under, by automatic
Packing is packed after weighing.
Liquid metal is fitted into tank in automatic liquid supply system and is placed in a liquid-supplying system dress by automatic hydraulic control
Put on frame, by detecting the flow and temperature of liquid metal, carry out to liquid-supplying system device frame hydraulic regulation reversal rate and confession
Liquid system feed tank metering orifice size is automatically adjusted to ensure that liquid metal flux reaches technical requirements, liquid-supplying system feed tank tool
The automatic heating having ensures that feed flow temperature reaches technical requirements, liquid metal is met that the temperature of progress dry granulation and flow will
Ask, middle liquid-supplying system automatic hydraulic after to shotting flow detection controls metering orifice size, control granulation flow velocity, exceeds
The liquid metal of required amount can enter overflow tank by overflow mechanism, liquid metal is met that the flow for carrying out dry granulation will
Ask.
The gas column of dry method injection granulation collision liquid metal is carried out by a temperature by detecting liquid metal and flow
What automatic control flow and the ejecting gun of pressure controlled, granulation is carried out the flow and pressure requirements of dry granulation with gas satisfaction.
Rotation by metallic particles by different rates, hierarchical control so that metallic particles automatic dehydration and layering gradation
Degree screening, and turn round in screening process and dried in rotation, exactly metallic particles is dehydrated, screen size and drying synthesize
One rotation slewing equipment, while by the rotating speed turned round to humidity, granularity, the automatic detection of temperature, control rotation and rise
Stop, the heat regulation of control drying nozzle.Every shotting technical requirements needed for reaching.
The above all security for shotting, product qualified rate and production efficiency, grain is sprayed using dry method
Change method, using the performance expanded with heat and contract with cold of water, when running into high temperature fluent metal during gas expansion, the tension force on surface is by high temperature
Liquid metal is smashed so as to reach granulation effect, while by controlling the flow velocity and the speed of flow and gas of high temperature fluent metal
And flow, so as to can not only prevent the situation of blast, while the granular size of shotting can be effectively adjusted, and
And this production efficiency is high, granulated metal yield is high；Simultaneously because inert gas is used, so cost not only can be reduced also
Safety issue can further be prevented.
Above to the present invention and embodiments thereof be described, this describe it is no restricted, shown in accompanying drawing also only
It is one of embodiments of the present invention, actual structure is not limited thereto.All in all if the ordinary skill people of this area
Member is enlightened by it, without departing from the spirit of the invention, similar to the technical scheme without designing for creativeness
Frame mode and embodiment, protection scope of the present invention all should be belonged to.The present invention and embodiments thereof are retouched above
State, this describes no restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited to
In this.All in all if one of ordinary skill in the art is enlightened by it, without departing from the spirit of the invention,
The frame mode similar to the technical scheme and embodiment are designed without creativeness, the protection model of the present invention all should be belonged to
Enclose.
Claims (7)
1. a kind of full auto-programs control dry method carries out liquid metal granulation system, including automatic liquid supply system (1), middle feed flow
Overflow system (2), automatic dry granulation system (3), automatic dehydration screening finished product drying system (4), automatic magnetic chip removal system
(5), automatic transport aggregate-storing system (6), finished product automatic bagging system (7) and switch board (8), automatic liquid supply system (1) bag
Automatic hydraulic system (1.0), molten steel tank (1.1) and feed flow frame (1.2) are included, the middle feed flow overflow system (2) includes overflow
Tank (2.0) and overflow launder (2.1), the feed tank of the liquid-supplying system have heating function, the liquid-supplying system and middle feed flow
The metering orifice of overflow system passes through hydraulic regulation size；The automatic dry granulation system (3) includes dry granulation tank
(3.0), automatic inflating-air device (3.1) and pressure-air ejecting gun (3.2), the molten steel tank (1.1) rotate with feed flow frame (1.2)
Coordinate, the automatic hydraulic system (1.0) and molten steel tank (1.1) link, and the liquid outlet of the molten steel tank (1.1) is towards dry method grain
Change tank (3.0) entrance, the pressure-air ejecting gun (3.2) is arranged in dry granulation tank (3.0), the automatic inflating-air device
(3.1) connected with pressure-air ejecting gun (3.2), the overflow launder (2.1) is arranged on dry granulation tank (3.0) porch, institute
State overflow tank (2.0) to connect with overflow launder (2.1), the automatic dehydration screening finished product drying system (4) and automatic dry granulation
System (3) connects, the automatic dehydration screening finished product drying system (4), automatic magnetic chip removal system (5) and automatic transport storing
System (6) and finished product automatic bagging system (7) are sequentially connected, the switch board (8) respectively with automatic hydraulic system (1.0), from
Dynamic feeder (3.1), pressure-air ejecting gun (3.2), automatic dehydration screening finished product drying system (4), automatic magnetic chip removal
System (5) is connected respectively with automatic transport aggregate-storing system (6) and finished product automatic bagging system (7)；
Step 1: feed flow：High temperature fluent metal is located at molten steel tank by automatic liquid supply system (1) feed flow, high temperature fluent metal
(1.1) in, the gradient of molten steel tank (1.1) is adjusted by automatic hydraulic system (1.0), liquid metal is automatically adjusted so as to reach
High temperature fluent metal is injected into middle feed flow overflow system (2) by flow；
Step 2: overflow：High temperature fluent metal enters the overflow launder (2.1) of middle feed flow overflow system (2), unnecessary high-temperature liquid
State metal enters overflow tank (2.0) along overflow launder (2.1), meets flow velocity and quantitative high temperature fluent metal enters automatic dry method grain
Change system (3)；
Step 3: supply：Automatic hydraulic system (1.0) automatic pressure control and flow supply for pressure-air ejecting gun (3.2)；
Step 4: granulation：Pressure-air ejecting gun (3.2) in automatic dry granulation system (3) is towards high temperature fluent metal stream
Injection carries out diversity and crushes granulated processed, is cooled into less molten metal particle, molten metal particle is entered by dry granulation
Enter Water Quenching storehouse, metallic particles is formed by Water Quenching；
Step 5: dehydration chip removal：Metallic particles sieves finished product drying system (4) and automatic magnetic chip removal system by automatic dehydration
(5) dehydration screening, metallic particles dehydration and and other particle separate devices by necessary requirement specification；The metallic particles to fall short of specifications
Discharged by automatic chip-removal；
Step 6: drying：For metallic particles up to specification by drying automatically, drying process obtains the gold of regulation aridity requirement
Metal particles；
Step 7: transport dress bag：Every shotting technical requirements needed for reaching, sort and reach requirement humidity and granularity
Metallic particles, automatic storing is carried out by Belt Conveying or other automatic material conveying devices；It is determined that pack requirement under, pass through
Packing is packed after automatic weighing.
2. a kind of full auto-programs control dry method according to claim 1 carries out liquid metal granulation system, its feature exists
In：The switch board (8) is controlled using PLC.
3. a kind of full auto-programs control dry method according to claim 1 carries out liquid metal granulation system, its feature exists
In：The automatic inflating-air device (3.1) includes air inlet pipe (3.11) and escape pipe (3.12), and the escape pipe (3.12) is arranged on
In dry granulation tank (3.0), the air inlet pipe (3.11) be arranged on dry granulation tank (3.0) outside and with dry granulation tank (3.0)
Connection.
4. a kind of full auto-programs control dry method according to claim 1 carries out liquid metal granulation system, its feature exists
In：Described pressure-air ejecting gun (3.2), which is arranged in dry granulation tank (3.0), refers to that pressure-air ejecting gun (3.2) is pacified
Mounted in the center of dry granulation tank (3.0).
5. a kind of full auto-programs control dry method according to claim 1 carries out liquid metal granulation system, its feature exists
In：Described pressure-air ejecting gun (3.2), which is arranged in dry granulation tank (3.0), refers to that pressure-air ejecting gun (3.2) is pacified
Side wall mounted in dry granulation tank (3.0).
6. a kind of full auto-programs control dry method according to claim 1 carries out liquid metal granulation system, its feature exists
In：Described pressure-air ejecting gun (3.2) is made of refractory material.
7. a kind of full auto-programs control dry method according to claim 1 carries out liquid metal granulation system, its feature exists
In：The automatic inflating-air device (3.1) is supplied using inert gas.
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| US4343750A (en) * | 1976-01-30 | 1982-08-10 | United Technologies Corporation | Method for producing metal powder |
| GB9002057D0 (en) * | 1990-01-30 | 1990-03-28 | Davy Mckee Sheffield | An apparatus for producing particles of metal |
| CN101288908A (en) * | 2008-05-30 | 2008-10-22 | 潮州正龙电池工业有限公司 | Preparation method of special alloy zinc powder for mercury-free battery |
| CN202968570U (en) * | 2011-10-15 | 2013-06-05 | 杜存斌 | Device structure for metallurgical gas and water continuous quenching |
| CN102689015B (en) * | 2012-06-21 | 2014-03-26 | 北京有色金属研究总院 | Metal powder preparation device and method therefor |
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