CN115608993A - Metal powder injection molding high-specific gravity alloy ball-milling distillation system - Google Patents

Metal powder injection molding high-specific gravity alloy ball-milling distillation system Download PDF

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Publication number
CN115608993A
CN115608993A CN202211090484.4A CN202211090484A CN115608993A CN 115608993 A CN115608993 A CN 115608993A CN 202211090484 A CN202211090484 A CN 202211090484A CN 115608993 A CN115608993 A CN 115608993A
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CN
China
Prior art keywords
ball milling
distillation
specific gravity
milling tank
metal powder
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211090484.4A
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Chinese (zh)
Inventor
陈璐璐
刘勇生
王春官
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Haian Yingqiu Powder Metallurgy Group Co ltd
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Haian Yingqiu Powder Metallurgy Group Co ltd
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Priority to CN202211090484.4A priority Critical patent/CN115608993A/en
Publication of CN115608993A publication Critical patent/CN115608993A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/02Making metallic powder or suspensions thereof using physical processes
    • B22F9/04Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14Treatment of metallic powder
    • B22F1/142Thermal or thermo-mechanical treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/003Apparatus, e.g. furnaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/22Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
    • B22F3/225Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/02Making metallic powder or suspensions thereof using physical processes
    • B22F9/04Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/042Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling using a particular milling fluid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/02Making metallic powder or suspensions thereof using physical processes
    • B22F9/04Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/043Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

The invention relates to the technical field of metal powder injection molding systems, in particular to a metal powder injection molding high-specific gravity alloy ball milling distillation system, which comprises a motor, a ball milling tank connected with the motor, a distillation pot connected with the ball milling tank, and a condensing tank connected with the distillation pot, wherein the ball milling tank is connected with the motor; an output shaft of the motor is connected with the ball milling tank through a coupling; the ball milling tank is provided with a feed inlet and a discharge outlet, two stirring backflow plates are arranged inside the ball milling tank, and two ends of the ball milling tank are provided with support frames for supporting the ball milling tank; the distillation pot is provided with a safety pressure relief valve, and the outer layer of the distillation pot is respectively provided with three groups of heating sheets and a temperature control system. The invention can realize the ball milling homogenization and uniform and stable mixing of the high-specific gravity alloy powder; the powder mixed by the ball milling distillation system can completely meet the feeding requirement of metal powder injection molding; and the product can be used for transferring and mixing materials in a totally-enclosed environment, so that secondary pollution is avoided, and the aims of energy conservation and environmental protection are fulfilled.

Description

Metal powder injection molding high-specific gravity alloy ball-milling distillation system
Technical Field
The invention relates to the technical field of metal powder injection molding systems, in particular to a metal powder injection molding high-specific gravity alloy ball milling distillation system.
Background
At present, a common ball mill comprises a cylindrical barrel body, and is provided with a material inlet and a material outlet. The high specific gravity alloy powder formed by metal powder injection is added into a common ball mill, and the mixing effect of the high specific gravity alloy powder formed by metal powder injection cannot be achieved. By adopting a common ball mill, segregation phenomenon exists when the alloy components of high-specific gravity alloy powder are uneven, and the requirement of preparing the metal powder injection molding feed cannot be met. The product manufactured by the existing common ball mill has low performance, unstable size after sintering, larger deviation, relatively low sintering density of the product and easy deformation and bending of the product. Namely, the prior common ball mill has the following defects: the ball milling efficiency is low, the alloy powder can not be well refined, and the product mass production, the product appearance, the product performance and the like are influenced after sintering.
Therefore, there is a need for a metal powder injection molding high specific gravity alloy ball milling distillation system to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a metal powder injection molding high-specific gravity alloy ball milling distillation system which can realize ball milling homogenization and uniform and stable mixing of high-specific gravity alloy powder; and the metal powder injection molding product can be subjected to turnover mixing in a totally-enclosed environment, so that secondary pollution is avoided, and the purposes of energy conservation and environmental protection are achieved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a metal powder injection molding high specific gravity alloy ball milling distillation system comprises a motor, a ball milling tank connected with the motor, a distillation pot connected with the ball milling tank, and a condensing tank connected with the distillation pot; an output shaft of the motor is connected with the ball milling tank through a coupler;
the ball milling tank is provided with a feeding hole and a discharging hole, two stirring backflow plates are arranged inside the ball milling tank, and two ends of the ball milling tank are provided with supporting frames for supporting the ball milling tank;
the outer layer of the distillation pot is respectively provided with three groups of heating sheets and a temperature control system;
the condensing tank is connected with the distillation still through a copper condensing pipe, one end of the copper condensing pipe is connected with the condensing tank, and the other end of the copper condensing pipe is connected with the distillation still.
By adopting the technical scheme: the ball milling distillation system consists of a motor, a ball milling tank, a distillation still and a condensing tank, and can be used for adjusting the ball milling treatment of high specific gravity alloy, wherein the high specific gravity alloy powder is tungsten nickel iron, tungsten nickel copper and the like; the powder milled by the ball milling distillation system is uniform and stable, the production cost of raw materials is reduced, the energy is saved, the environment is protected, the pollution is zero, and the production efficiency is improved. Meanwhile, the ball milling distillation system can transfer and mix the metal powder injection molding products in a totally closed environment, so that secondary pollution is avoided, and the purposes of energy conservation and environmental protection are achieved.
Preferably, the motor is a servo motor.
By adopting the technical scheme: the ball milling distillation system adopts an advanced servo variable frequency motor to realize inorganic speed change and can rotate in a positive and negative direction, so that the ball milling production efficiency of the ball milling distillation system is improved.
Preferably, a plurality of stainless steel balls are arranged in the ball milling tank, and the diameter of each stainless steel ball is 30mm.
By adopting the technical scheme: a plurality of high-hardness stainless steel round balls with uniform sizes are adopted, so that alloy powder is homogenized during ball milling, and the production efficiency of ball milling mixed powder is improved.
Preferably, the ball mill pot is also filled with a solvent for refining the high specific gravity alloy powder, and the solvent is alcohol or trichloroethylene.
By adopting the technical scheme: filling solvents such as alcohol or trichloroethylene in the ball milling tank to enable the powder to collide with the liquid carrier at high energy, and refining the high specific gravity alloy powder; further, the shape of the powder is changed to be similar to that of spherical powder, so that the requirement of metal powder injection molding is met.
Preferably, the retort is mounted on a base.
Preferably, the temperature control system is a thermocouple.
The invention has the following beneficial effects:
1. the invention can realize the ball milling homogenization and uniform and stable mixing of the high-specific gravity alloy powder; the powder mixed by the ball milling distillation system can completely meet the feeding requirement of metal powder injection molding.
2. The high specific gravity alloy product manufactured by the invention has more beautiful appearance, uniform and consistent size of the sintered product, stable and reliable product quality, and mainly has the advantages of adjustable proportion of the high specific gravity alloy powder, very high maneuverability, timely adjustment of the proportion of the high specific gravity alloy powder, energy saving and environmental protection effects, improvement of production benefits, realization of high-frequency powder mixing, saving of manual operation, reduction of production cost and improvement of production benefits.
3. The invention enables the metal powder injection molding product to have a turnover mixing material in a totally closed environment, has no secondary pollution, and realizes the purposes of energy saving and environmental protection.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a top view of fig. 1.
In the figure: 1. a motor; 2. a ball milling tank; 3. a distillation pot; 4. a safety relief valve; 5. a support base; 6. a condensing tank; 7. a copper condenser tube; 8. a heating body; 9. a stirring plate; 10. a base; 11. a thermocouple; 12. a coupling is provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a metal powder injection molding high specific gravity alloy ball milling distillation system comprises a motor 1, a ball milling tank 2 connected with the motor 1, a distillation pot 3 connected with the ball milling tank 2, and a condensing tank 6 connected with the distillation pot 3; and an output shaft of the motor 1 is connected with the ball milling tank 2 through a coupler 12.
In the embodiment, the ball milling distillation system consisting of the motor 1, the ball milling tank 2, the distillation still 3 and the condensing tank 6 can be used for mixing ball milling treatment of high specific gravity alloy, wherein high specific gravity alloy powder is tungsten nickel iron, tungsten nickel copper and the like; the powder milled by the ball milling distillation system is uniform and stable, the production cost of raw materials is reduced, the energy is saved, the environment is protected, the pollution is zero, and the production efficiency is improved. Meanwhile, the ball milling distillation system can transfer and mix the metal powder injection molding product in a totally closed environment, so that secondary pollution is avoided, and the purposes of energy conservation and environmental protection are achieved.
Wherein, be equipped with feed inlet and discharge gate on the ball-milling jar 2, ball-milling jar 2 is inside to be equipped with two back flow boards 9, the both ends of ball-milling jar 2 all are equipped with support frame 5 that is used for supporting ball-milling jar 2.
In the embodiment, the two stirring backflow plates 9 are distributed in the ball milling tank 2, and are respectively arranged at the upper right part and the lower left part in the ball milling tank 2 to improve the ball milling homogenization; when the ball mill runs at a high speed, the support frames 5 at the two ends can play a role of supporting the ball mill tank body. Wherein, the feed inlet is arranged at the top of the ball milling tank 2, the discharge outlet is arranged at the bottom of the ball milling tank 2 and is symmetrically distributed up and down.
The distillation kettle 3 is provided with a safety pressure release valve 4, and the outer layer of the distillation kettle 3 is provided with three groups of heating sheets 8 and a temperature control system respectively; the temperature control system is a thermocouple 11.
In the embodiment, during practical application, a pressure gauge can be arranged on the top cover of the distillation kettle 3, and the safe pressure relief valve 4, the pressure gauge and the like can be adopted to protect the reliable operation of the system and improve the safety of the system; the temperature in the distillation pot can be monitored by adopting a thermocouple 11; and the thermocouple 11 can realize that the temperature is adjustable in good time, and the heating sheet 8 is in a semicircular sheet shape and is used for heating the liquid carrier in the distillation kettle 3. The distillation kettle 3 realizes the separation of liquid (alcohol or trichloroethylene) and powder by heating the fluid medium (alcohol or) and the high specific gravity alloy powder at high temperature. Alcohol or trichloroethylene is vaporized after being heated by the heating plate 8, and only high specific gravity alloy powder is left in the distillation pot. The specific flow of the distillation kettle 3 is as follows: pouring the ball-milled high-alloy fluid powder (alcohol bearing high-specific gravity powder) into a distillation pot, covering the pot cover for sealing, heating the high-alloy fluid powder through the outer side of a heating plate, evaporating and volatilizing the alcohol after heating to a certain temperature, and only remaining the high-specific gravity alloy powder in the distillation pot to finally realize the separation of the carrier and the powder.
The condensing pot 6 is connected with the distillation still 3 through a copper condensing pipe 7, one end of the copper condensing pipe 7 is connected with the condensing pot 6, and the other end of the copper condensing pipe 7 is connected with the distillation still 3.
In this embodiment, the condensation tank 6 is filled with tap water, a copper pipe is coiled in the condensation tank, and distilled alcohol vapor flows in the copper pipe of the copper condensation pipe, and after condensation, gaseous alcohol is converted into liquid alcohol. The condensing tank 6 is connected with the distilling pot 3 through a copper condensing pipe 7, so that the distilled liquid carrier is heated at high temperature, vaporized in liquid state, cooled through a condensing pipeline, sent into the condensing tank 6 and stored for next use.
Specifically, the motor 1 is a servo motor.
In the embodiment, an advanced servo variable frequency motor is adopted to realize inorganic speed change and forward and reverse rotation, so that the ball milling production efficiency of the ball milling distillation system is improved.
Specifically, a plurality of stainless steel round balls are arranged in the ball milling tank 2, and the diameter of each stainless steel round ball is 30mm.
In the embodiment, because the high specific gravity alloy has agglomeration, a plurality of high-hardness stainless steel round balls with uniform sizes are filled in the ball milling tank 2, and through the adjustment of high speed, frequency conversion and positive and negative rotation of the motor 1, the alloy powder is homogenized during ball milling, so that the ball milling and powder mixing production efficiency is improved.
Specifically, the ball milling tank 2 is filled with a solvent for refining high specific gravity alloy powder, and the solvent is alcohol or trichloroethylene.
In the embodiment, the ball milling tank 2 is filled with solvents such as alcohol or trichloroethylene, so that the powder and the liquid carrier collide at high energy, and the high specific gravity alloy powder is refined; further, the shape of the powder is changed to be similar to that of spherical powder, so that the requirement of metal powder injection molding is met.
Specifically, the distillation pot 3 is installed on the base 10.
When the invention is used, the high specific gravity alloy: high specific gravity metal powder such as tungsten cobalt, tungsten nickel iron, tungsten nickel copper and the like is added into the ball milling tank 2 through the feed inlet, and simultaneously, a proper amount of alcohol or trichloroethylene and other solvents are added, and the feed inlet is closed. Starting a motor 1, enabling high-specific gravity metal powder to form high-energy collision with a liquid carrier (alcohol or trichloroethylene) by a stirring backflow plate 9 in a ball milling tank 2 and adding a plurality of high-hardness stainless steel balls with uniform sizes into the ball milling tank, so as to refine the high-specific gravity alloy powder, enabling the powder to change in shape and be similar to spherical powder to meet the metal powder injection molding requirement, and discharging the powder subjected to ball milling through a discharge port; the liquid powder and the carrier enter the distillation boiler 3, the liquid carrier is heated through the heating sheet, the temperature in the distillation boiler is monitored through the thermocouple 11, and the thermocouple 11 can adjust the temperature in time; heating the distilled liquid carrier at high temperature, vaporizing the liquid state to form steam, cooling the steam through a condensing pipeline, and sending the steam into a condensing tank 6, and storing the alcohol carrier for later use; high specific gravity alloy powder is left in the distillation kettle 3 and is collected for standby; finally, the carrier and the powder are separated through the distillation kettle 3.
In conclusion, the metal powder injection molding high specific gravity alloy ball milling distillation system can realize the ball milling homogenization and uniform and stable mixing of high specific gravity alloy powder; the powder mixed by the ball milling distillation system can completely meet the feeding requirement of metal powder injection molding; meanwhile, the invention enables the metal powder injection molding product to have a material mixing in a turnover way in a totally closed environment, has no secondary pollution and realizes the purposes of energy conservation and environmental protection.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (6)

1. The metal powder injection molding high-specific gravity alloy ball-milling distillation system is characterized by comprising a motor (1), a ball-milling tank (2) connected with the motor (1), a distillation pot (3) connected with the ball-milling tank (2), and a condensing tank (6) connected with the distillation pot (3); an output shaft of the motor (1) is connected with the ball milling tank (2) through a coupling (12);
a feeding hole and a discharging hole are formed in the ball milling tank (2), two stirring backflow plates (9) are arranged inside the ball milling tank (2), and two ends of the ball milling tank (2) are provided with supporting frames (5) for supporting the ball milling tank (2);
the distillation pot (3) is provided with a safety pressure release valve (4), and the outer layer of the distillation pot (3) is respectively provided with three groups of heating sheets (8) and a temperature control system;
the condensing pot (6) is connected with the distillation pot (3) through a copper condensing pipe (7), one end of the copper condensing pipe (7) is connected with the condensing pot (6), and the other end of the copper condensing pipe (7) is connected with the distillation pot (3).
2. A metal powder injection molding high specific gravity alloy ball milling distillation system as claimed in claim 1, wherein the motor (1) is a servo motor.
3. The metal powder injection molding high specific gravity alloy ball milling distillation system according to claim 1, wherein a plurality of stainless steel round balls are arranged in the ball milling tank (2), and each stainless steel round ball has a diameter of 30mm.
4. The metal powder injection molding high specific gravity alloy ball milling distillation system according to claim 1, wherein the ball milling tank (2) is filled with a solvent for refining the high specific gravity alloy powder, and the solvent is alcohol or trichloroethylene.
5. A metal powder injection-molding high specific gravity alloy ball milling distillation system according to claim 1, wherein the distillation pot (3) is mounted on a base (10).
6. A metal powder injection-molding high specific gravity alloy ball milling distillation system as claimed in claim 1, wherein the temperature control system is a thermocouple (11).
CN202211090484.4A 2022-09-07 2022-09-07 Metal powder injection molding high-specific gravity alloy ball-milling distillation system Pending CN115608993A (en)

Priority Applications (1)

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CN202211090484.4A CN115608993A (en) 2022-09-07 2022-09-07 Metal powder injection molding high-specific gravity alloy ball-milling distillation system

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CN202211090484.4A CN115608993A (en) 2022-09-07 2022-09-07 Metal powder injection molding high-specific gravity alloy ball-milling distillation system

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Citations (7)

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Publication number Priority date Publication date Assignee Title
US5314658A (en) * 1992-04-03 1994-05-24 Amax, Inc. Conditioning metal powder for injection molding
CN105057680A (en) * 2015-07-29 2015-11-18 昆山德泰新材料科技有限公司 Preparation method of mechanical alloying copper-tungsten alloy powder
US20160074942A1 (en) * 2014-05-13 2016-03-17 University Of Utah Research Foundation Production of substantially spherical metal powders
CN108723362A (en) * 2018-07-02 2018-11-02 海安县鹰球粉末冶金有限公司 A kind of metal powder injection molded vertical solution-off stove
CN113070474A (en) * 2021-03-29 2021-07-06 深圳市注成科技股份有限公司 Preparation and forming method of nano tungsten-copper alloy radiating fin
CN113070478A (en) * 2021-03-26 2021-07-06 深圳市注成科技股份有限公司 Tungsten-copper alloy feed, preparation method, tungsten-copper alloy workpiece and manufacturing method
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Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5314658A (en) * 1992-04-03 1994-05-24 Amax, Inc. Conditioning metal powder for injection molding
US20160074942A1 (en) * 2014-05-13 2016-03-17 University Of Utah Research Foundation Production of substantially spherical metal powders
CN105057680A (en) * 2015-07-29 2015-11-18 昆山德泰新材料科技有限公司 Preparation method of mechanical alloying copper-tungsten alloy powder
CN108723362A (en) * 2018-07-02 2018-11-02 海安县鹰球粉末冶金有限公司 A kind of metal powder injection molded vertical solution-off stove
CN113070478A (en) * 2021-03-26 2021-07-06 深圳市注成科技股份有限公司 Tungsten-copper alloy feed, preparation method, tungsten-copper alloy workpiece and manufacturing method
CN113070474A (en) * 2021-03-29 2021-07-06 深圳市注成科技股份有限公司 Preparation and forming method of nano tungsten-copper alloy radiating fin
CN216125200U (en) * 2021-09-06 2022-03-25 张啟堂 Distillation recovery unit of concrete water-reducing agent production usefulness

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Title
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