CN109248995A - A kind of preparation method of spray belt bag and nanocrystalline strip - Google Patents
A kind of preparation method of spray belt bag and nanocrystalline strip Download PDFInfo
- Publication number
- CN109248995A CN109248995A CN201811446838.8A CN201811446838A CN109248995A CN 109248995 A CN109248995 A CN 109248995A CN 201811446838 A CN201811446838 A CN 201811446838A CN 109248995 A CN109248995 A CN 109248995A
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- liquid level
- steel
- belt bag
- spray belt
- molten steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
- B22D41/01—Heating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/08—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like for bottom pouring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/16—Closures stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and the metal therein, for selective registry with the pouring opening
- B22D41/20—Stopper-rod operating equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
- B22D41/52—Manufacturing or repairing thereof
- B22D41/54—Manufacturing or repairing thereof characterised by the materials used therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
- B22D41/60—Pouring-nozzles with heating or cooling means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Continuous Casting (AREA)
Abstract
The present invention relates to a kind of spray belt bag and the preparation methods of nanocrystalline strip, the spray belt bag includes shell and the intracorporal steel ladle of shell and liquid level packet, it is equipped at the top of the steel ladle and connects steel funnel, bottom is equipped with the mouth of a river, the mouth of a river is located at the liquid level side of wrapping, and stopper rod device is equipped in the steel ladle, for controlling the flow of molten steel, ball cock device is equipped in the liquid level packet, liquid level packet bottom is equipped with nozzle.During preparing nanocrystalline strip, the liquid level that spray belt bag provided by the invention can be fed back according to ball cock device, utilize the flow of molten steel in stopper rod device regulation steel ladle, realize the stability contorting to molten steel liquid level in process of production in turn, realize the steady production of nanocrystalline strip, obtain good quality, the better strip product of consistency.In whole preparation process, molten steel liquid level is flexibly adjustable, without additional supplement pressure, while reducing production cost, has a good application prospect.
Description
Technical field
The present invention relates to amorphous band manufacturing technology fields, and in particular to the preparation side of a kind of spray belt bag and nanocrystalline strip
Method.
Background technique
With the development of present science and technology, nanocrystalline strip use scope is developed increasingly wider, is mainly used for high-precision
High-end products such as inductance, the magnetic core of high frequency electric source, high frequency transformer, magnetic amplifier etc., related iron core device are mainly used for counting
Intelligent electric meter, photovoltaic power generation grid-connected inverter and new-energy automobile charging, drive system in word electronic product, smart grid
Deng to meet requirement of the power electronic technique to development trends such as high frequency, high current, miniaturization, energy conservations.In recent years, consistency
Preferable high saturated magnetic induction, the market demand of low-loss nanocrystalline strip are increasing.
In existing production technology, nanocrystalline strip production is mainly sprayed band method by pressure and is produced, pressure spray band method
When producing nanocrystalline by calculating the Metal Weight flowed out in spray belt bag, the indifferent gas of certain pressure is passed through into spray belt bag
Body compensates the pressure that molten steel reduction is flowed out in spray belt bag by gas pressure.
CN203738017U discloses a kind of pressure spray belt bag；From outside to inside successively include involucrum, thermal insulation material and crucible,
It being connected in the lower part of crucible and sprays cup, stopper is set in pressure spray belt bag, the stopper is fixed using connecting screw device,
It is characterized in that: further including connecing steel funnel；Connecting screw is centered in connecting screw dress, connecting screw is hollow structure, thereon
It is provided with stomata；In addition to injecting molten steel, being ventilated by stomata into it by connecing steel funnel into it, other positions are the crucible
Closed.The pressure spray belt bag that the device provides can either realize that continuous pressure sprays band, and be capable of providing lasting, stable and larger
Pressure, improve production efficiency, reduce production cost.
CN103586446A discloses a kind of spray device of band, which includes: crucible, involucrum, backpack cover, heating carbon
Silicon rod, water cooling plant, temperature sensor, float lever, air inlet pipe, escape pipe, funnel, stopper, nozzle etc..When in the crucible
Molten steel liquid level reaches setting level value, and the pressure in confined space that the involucrum and backpack cover are formed reaches setup pressure value, and
When liquid steel temperature reaches set temperature value in the crucible, the stopper is controlled, the molten steel in the crucible passes sequentially through described
Consent and nozzle outflow.
CN103752785A discloses a kind of rapid solidification metal strip production device and its method, in vacuum melting furnace
Master alloy melting, nozzle carry out pressure and spray band, carry out spraying band atmosphere protection at nozzle, and intermediate Sheng liquid is provided in injection packet
Crucible can supplement alloy molten solution to nozzle packet crucible.It completes foundry alloy melting in vacuum melting furnace first, will close later
In the Sheng liquid crucible that golden melt pours into injection packet and close gate valve between vacuum melting furnace and nozzle packet.Then it is contained from centre
Liquid crucible supplements master alloy melt into nozzle crucible.And protective gas pressurization is passed through into nozzle packet, it is golden under pressure
Belong to the nozzle seam that melt is wrapped from nozzle and is ejected in high-speed rotating water-cooled copper roller surface solidification into band.
CN206677176U discloses a kind of non-crystal belt making funnel structure, including funnel body, in the funnel body
It is provided with through-hole, the through-hole successively includes big hole section, taper hole section and aperture section, the big hole section, the cone from top to bottom
The aperture of shape hole section and the aperture section successively becomes smaller from top to bottom, and the funnel body top is provided at least one and institute
State the venthole that big hole section top is connected；The material of the funnel body is quartz；The ventilation number of perforations is two, and right
Claim setting.Venthole is provided on the funnel structure ontology, it can be achieved that continuous pressure sprays band.
Although pressure spray can be realized the preparation to nanocrystalline product with method, but inventor has found afterwards after study, this
The parameter that kind production technology is set before manufacture often has certain difference with parameter actual in production, causes in spray band process
The pressure inaccuracy of middle compensation, makes the pressure transient at nozzle weld pool, thickness of strip generates fluctuation, and then causes to be prepared
The parameter consistencies such as thickness of strip, matter density it is poor.And currently available technology is difficult to solve the above problems, and can not thoroughly meet
Requirement for high performance nano-crystal band, it is therefore necessary to develop the production equipment and process of new nanocrystalline strip.
Summary of the invention
In view of problems of the prior art, the purpose of the present invention is to provide a kind of spray belt bag and nanocrystalline strips
Preparation method is realized to the stability contorting of molten steel liquid level by the cooperation of steel ladle and liquid level packet, makes the pressure at nozzle weld pool
In stable state, and then good quality is obtained, the better nanocrystalline strip product of consistency.
To achieve this purpose, the present invention adopts the following technical scheme:
In a first aspect, the spray belt bag includes shell and the intracorporal steel ladle of shell the present invention provides a kind of spray belt bag
With liquid level packet, the steel ladle top, which is equipped with, connects steel funnel, and bottom is equipped with the mouth of a river, and the mouth of a river is located at the liquid level side of wrapping, described
It is equipped with stopper rod device in steel ladle, for controlling the flow of molten steel, is equipped with ball cock device, liquid level packet bottom in the liquid level packet
Portion is equipped with nozzle.
The present invention using two holds the packet of molten steel to control molten steel liquid level in spray belt bag, by control liquid level come into
The production of row nanocrystalline strip.It can guarantee that the height of liquid level is in stable state in process of production, reduce because liquid level changes
The pressure oscillation of generation makes the pressure of weld pool at nozzle be in stable state, can prepare the parameter consistencies such as pledge density, thickness
Higher strip product.And steel ladle uses the form of rising pouring to inject molten steel to liquid level packet in process of production, is conducive to steel
Inclusion floating in water, reduces the impurity in liquid level packet in molten steel, and the generation of pre- Anti-clogging spray nozzle event can reduce accident
Incidence and raising molten steel recovery rate.
Preferably, spray belt bag shell of the present invention is welded by structure steel fabrication, and shell can cooperate with spray belt bag vehicle
Adjust the position between chill roll and nozzle.
Preferably, steel ladle of the present invention is made by clay silicon carbide material, is mainly used to contain in spray belt bag
Alloy molten steel is put, bottom is equipped with cone-shaped hole.
Preferably, the mouth of a river of the present invention is made by clay silicon carbide or zirconium oxide, is mainly matched with stopper rod
It closes, controls the flow of molten steel in steel ladle.
Preferably, the steel funnel of the present invention that connects is made by quartz or clay silicon carbide, is mainly used for molten steel
Access molten steel in packet.
Preferably, ball cock device of the present invention is used to monitor in real time the liquid level of molten steel in liquid level packet, and according to its feedback
Liquid level stopper rod device is adjusted, control the flow of molten steel, and then realize the stabilization to molten steel liquid level in liquid level packet
Control.
Preferably, nozzle of the present invention is made by boron nitride, and the nozzle bottom is equipped with gap, the length in gap
It is identical as strip width, different dimensions can be processed according to production requirement.
Preferably, heating device is equipped in the spray belt bag shell, the heating device includes the Elema of heating, even
Aluminium establishment band, temperature thermocouple for connecing etc., are mainly used for being internally heated spray belt bag, and to the steel in injection spray belt bag
Water plays heating and thermal insulation.
Preferably, the stopper rod device includes stopper rod and control device, and the control device is a piston mechanism, stroke
Reciprocally adjust；The stopper rod is connect with the mouth of a river, is mainly used for being cooperated with the mouth of a river, and the mouth of a river is in seal shape when stopper rod is closed
State, adjusts the aperture of stopper rod by control device when spraying band, and then realizes the adjusting to molten steel flow.
Preferably, equipped with filter device, the filter device is made steel funnel and the nozzle of connecing by zirconium oxide,
Purpose is the impurity filtered in molten steel.
Preferably, the nozzle is connect by nozzle cups with liquid level packet, and the nozzle cups are made by clay silicon carbide,
Bottom is equipped with rectangular through-hole, is bonded together by bonding agent and nozzle, and inside is equipped with filter device, and outside adds equipped with resistance wire
Thermal can quickly heat nozzle cups with nozzle.
Preferably, the spray belt bag inner walls are equipped with insulating layer, it is therefore an objective to reduce lost, the reduction of heat in spray belt bag
Energy consumption.
Second aspect, the present invention provide a kind of preparation method of nanocrystalline strip, utilize spray belt bag described in first aspect
It is prepared, the method are as follows: by molten steel from connecing in steel funnel injection steel ladle, spray belt bag is heated to spraying with required temperature
Then degree moves to spray belt bag above chill roll, open stopper rod device, and molten steel enters liquid level packet from steel ladle by the mouth of a river, from
Nozzle is injected on chill roll, obtains nanocrystalline strip；It is adjusted in insufflating procedure according to the liquid level of ball cock device feedback
Stopper rod device controls the flow of molten steel in steel ladle, and the liquid level in liquid level packet is made to keep stablizing.
Preferably, before molten steel is injected steel ladle, spray belt bag is preheated, makes the temperature and molten steel temperature of spray belt bag
It spends close.
Preferably, the liquid level in the steel ladle at a distance from steel ladle top edge >=5cm.
Preferably, nanometer is controlled by adjusting the revolving speed of the spacing and chill roll of nozzle and chill roll during the spray band
The thickness of crystal zone material.
Preferably, after the molten steel in steel ladle is flow to end, stop spray band before the molten steel height decline in liquid level packet.Stop
After spray band, spray belt bag is moved in scrap box, molten steel remaining in liquid level packet is released, steel ingot is cast into and melts down reuse.
Preferably, after molten steel being released, used nozzle cups can be removed, the nozzle cups more renewed utilize spray belt bag
Continue the preparation of nanocrystalline strip.
Compared with prior art, the present invention is at least had the advantages that
(1) spray belt bag provided by the invention can realize the stability contorting to molten steel liquid level in process of production, realize nanometer
The steady production of crystal zone material, and then good quality is obtained, the better strip product of consistency.
(2) spray belt bag provided by the invention at any time can adjust liquid level during spraying band according to practical condition
It is whole, improve the qualification rate of product.
(3) it is equipped with filtration of liquid steel device in spray belt bag provided by the invention, can filter to the greatest extent being mingled in molten steel
Object improves the quality of molten steel.
(4) liquid level packet and nozzle cups are separable assembleds in spray belt bag provided by the invention, are only needed to change after spraying the end of tape
Nozzle cups, that is, reusable reduce the use cost of refractory material to greatest extent.
(5) molten steel remaining in liquid level packet discharge is cast into steel ingot, can continue to melt down molten by the present invention after spraying the end of tape
Change and reuse, avoids the waste of raw material.
(6) it is equipped with attemperator inside spray belt bag provided by the invention, avoided to greatest extent in use interior
Portion's heat loss reduces the heating power of heating device, reduces production cost.
(7) present invention controls pressure by liquid level during spraying band, without the supplementary quota external pressure into spray belt bag
Power avoids the waste of Gas Energy Source, reduces production cost.
(8) spray belt bag provided by the present invention can be covered more and be used in turn, reduced the waiting time between spray time, improved production
Efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the spray belt bag that the embodiment of the present invention 1 provides；
In figure: 1- heating device, 2- nozzle cups, 3- nozzle, 4- liquid level packet, 5- steel ladle, 6- stopper rod device, 7- float dress
It sets, 8- connects steel funnel, 9- filter device, 10- insulating layer, the mouth of a river 11-.
The present invention is described in more detail below.But following examples is only simple example of the invention, not generation
Table or limitation the scope of the present invention, protection scope of the present invention are subject to claims.
Specific embodiment
The technical scheme of the invention is further explained by means of specific implementation.
The present invention provides a kind of spray belt bag in specific embodiment part, and the spray belt bag includes in shell and shell
Steel ladle and liquid level packet, be equipped at the top of the steel ladle and connect steel funnel, bottom is equipped with the mouth of a river, and the mouth of a river is wrapped positioned at liquid level
It is square, stopper rod device is equipped in the steel ladle, for controlling the flow of molten steel, the liquid level packet is interior equipped with ball cock device, described
Liquid level packet bottom is equipped with nozzle.
The present invention additionally provides a kind of preparation method of nanocrystalline strip in specific embodiment part, utilizes above-mentioned spray band
Prepared by packet, the method are as follows: by molten steel from connecing in steel funnel injection steel ladle, spray belt bag is heated to spraying with required temperature
Then degree moves to spray belt bag above chill roll, open stopper rod device, and molten steel enters liquid level packet from steel ladle by the mouth of a river, from
Nozzle is injected on chill roll, obtains nanocrystalline strip；It is adjusted in insufflating procedure according to the liquid level of ball cock device feedback
Stopper rod device controls the flow of molten steel in steel ladle, and the liquid level in liquid level packet is made to keep stablizing.
In order to better illustrate the present invention, it is easy to understand technical solution of the present invention, of the invention is typical but non-limiting
Embodiment is as follows:
Embodiment 1
As shown in Figure 1, present embodiments providing a kind of spray belt bag, the spray belt bag includes shell and the intracorporal molten steel of shell
5 and liquid level packet 4 are wrapped, is equipped at the top of the steel ladle 5 and connects steel funnel 8, bottom is equipped with the mouth of a river 11, and the mouth of a river 11 is located at liquid level packet
Above 4, it is equipped with stopper rod device 6 in the steel ladle 5, for controlling the flow of molten steel, is equipped with ball cock device in the liquid level packet 4
7, liquid level packet bottom is equipped with nozzle 3.
Further, heating device 1 is equipped in the spray belt bag shell, inner walls are equipped with insulating layer 10, the stopper rod
Device 6 includes stopper rod and control device, and the stopper rod is connect with the mouth of a river 11；Steel funnel 8 and the nozzle 3 of connecing is equipped with filter device
9；The nozzle 3 is connect by nozzle cups 2 with liquid level packet 4.
Embodiment 2
The present embodiment provides a kind of preparation methods of nanocrystalline strip, are prepared using the spray belt bag that embodiment 1 provides,
It the described method comprises the following steps:
(1) connect steel: it is close with molten steel that spray belt bag is preheated to temperature using heating device 1, by molten steel from connecing 8 note of steel funnel
Enter in steel ladle 5, control steel ladle 5 in liquid level at a distance from 5 top edge of steel ladle >=5cm；
(2) it sprays band: spray belt bag is heated to spraying with required temperature, then move to spray belt bag above chill roll, adjustment
It is in suitable distance between nozzle 3 and chill roll, opens stopper rod device 6, molten steel enters liquid level from steel ladle 5 by the mouth of a river 11
Packet 4 is injected on the chill roll just rotated from the gap of the lower section of nozzle 3, by adjusting the spacing of nozzle 3 and chill roll and cold
But the revolving speed of roller controls the thickness of nanocrystalline strip, obtains nanocrystalline strip；
(3) control of liquid level: liquid level out is fed back according to ball cock device 7 in insufflating procedure and adjusts stopper rod dress in real time
The aperture of stopper rod in 6 is set, and then controls the flow of molten steel in steel ladle 5, the liquid level in liquid level packet 4 is made to keep stablizing；
(4) stop-spraying: after the molten steel in steel ladle 5 is flow to end, stopping spray band before the molten steel height decline in liquid level packet 4,
Then spray belt bag is moved in scrap box, molten steel remaining in liquid level packet 4 is released, steel ingot is cast into and melts down reuse.
Embodiment 3
The present embodiment carries out the preparation of nanocrystalline strip, the preparation method using the spray belt bag that two embodiments 1 provide
With implementation 2.
In preparation process, two spray belt bags use in turn, after the work of one of spray belt bag, move at once another
A spray belt bag works, and the spray belt bag that molten steel is flow to end moves in scrap box, and molten steel remaining in liquid level packet is released, replacement
After nozzle cups, the preparation of nanocrystalline strip to be continued is waited.
The Applicant declares that the present invention is explained by the above embodiments detailed construction feature of the invention, but the present invention is simultaneously
It is not limited to above-mentioned detailed construction feature, that is, does not mean that the present invention must rely on above-mentioned detailed construction feature and could implement.Institute
Belong to those skilled in the art it will be clearly understood that any improvement in the present invention, to the equivalence replacement of component selected by the present invention
And increase, selection of concrete mode of accessory etc., all of which fall within the scope of protection and disclosure of the present invention.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of spray belt bag, which is characterized in that the spray belt bag includes shell and the intracorporal steel ladle of shell and liquid level packet, described
It is equipped at the top of steel ladle and connects steel funnel, bottom is equipped with the mouth of a river, and the mouth of a river is located at the liquid level side of wrapping, is equipped with plug in the steel ladle
Lever apparatus is equipped with ball cock device, liquid level packet bottom is equipped with nozzle for controlling the flow of molten steel in the liquid level packet.
2. spray belt bag as described in claim 1, which is characterized in that be equipped with heating device in the spray belt bag shell.
3. spray belt bag as claimed in claim 1 or 2, which is characterized in that the stopper rod device includes stopper rod and control device, institute
Stopper rod is stated to connect with the mouth of a river.
4. spray belt bag as described in any one of claims 1-3, which is characterized in that steel funnel and the nozzle of connecing is equipped with filtering dress
It sets；
Preferably, the nozzle is connect by nozzle cups with liquid level packet.
5. spray belt bag according to any one of claims 1-4, which is characterized in that the spray belt bag inner walls are equipped with heat preservation
Layer.
6. a kind of preparation method of nanocrystalline strip, which is characterized in that using the described in any item spray belt bags of claim 1-5 into
Row preparation, the method are as follows: by molten steel from connecing in steel funnel injection steel ladle, spray belt bag is heated to spraying with required temperature,
Then spray belt bag is moved to above chill roll, opens stopper rod device, molten steel enters liquid level packet from steel ladle by the mouth of a river, from nozzle
It is injected on chill roll, obtains nanocrystalline strip；Stopper rod is adjusted according to the liquid level of ball cock device feedback in insufflating procedure
Device controls the flow of molten steel in steel ladle, and the liquid level in liquid level packet is made to keep stablizing.
7. method as claimed in claim 6, which is characterized in that before molten steel is injected steel ladle, carried out to spray belt bag pre-
Heat.
8. method according to claim 6 or 7, which is characterized in that liquid level and steel ladle top edge in the steel ladle
Distance >=5cm.
9. such as the described in any item methods of claim 6-8, which is characterized in that by adjusting nozzle and chill roll during spray band
Spacing and chill roll revolving speed control nanocrystalline strip thickness.
10. method as claim in any one of claims 6-9, which is characterized in that after the molten steel in steel ladle is flow to end, in liquid level
Stop spray band before molten steel height decline in packet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811446838.8A CN109248995A (en) | 2018-11-29 | 2018-11-29 | A kind of preparation method of spray belt bag and nanocrystalline strip |
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| CN201811446838.8A CN109248995A (en) | 2018-11-29 | 2018-11-29 | A kind of preparation method of spray belt bag and nanocrystalline strip |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142384A (en) * | 2019-05-17 | 2019-08-20 | 山东电亮亮信息科技有限公司 | The nanocrystalline spray band double liquid level closed-loop control process units of large capacity |
| CN112387945A (en) * | 2019-08-15 | 2021-02-23 | 河南中岳非晶新型材料股份有限公司 | Integrated package pasting process for amorphous nanocrystalline strip |
| CN115041646A (en) * | 2022-06-30 | 2022-09-13 | 宁波中科毕普拉斯新材料科技有限公司 | Preparation method of constant-pressure thin strip |
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| CN112387945A (en) * | 2019-08-15 | 2021-02-23 | 河南中岳非晶新型材料股份有限公司 | Integrated package pasting process for amorphous nanocrystalline strip |
| CN115041646A (en) * | 2022-06-30 | 2022-09-13 | 宁波中科毕普拉斯新材料科技有限公司 | Preparation method of constant-pressure thin strip |
| CN115041646B (en) * | 2022-06-30 | 2023-08-18 | 宁波中科毕普拉斯新材料科技有限公司 | Constant-pressure thin belt preparation method |
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