等離子體霧化制備粉末材料生產線
設備用途及原理
等離子體做為一種頂層工藝技術，在粉體材料的處理和合成制備方面的應用是行業(yè)領頭的高新技術，目前已經成為許多國家的研究熱點。
本設備系列通過把固體顆粒或絲材注入惰性氣體等離子體中，使之在等離子體高溫作用下完全蒸發(fā)，以蒸汽形式存在，然后利用氣淬冷卻技術進行快速冷卻，使飽和蒸汽快速冷凝、成核、生長而形成超細粉末。
Application and Principles
The plasma, as a technology under ultimate conditions, is an advanced and new technology in the application for disposition and synthesis and preparation of powdered material, and currently prevails among studies in many countries.
Its working principles refer to several steps. First, inject solid particles into inert gas plasma and completely evaporate them under the high temperature of the plasma, existing as steam. And then cool them fast with gas quenching cooling technology, and finally allow saturated steam to be rapidly condensed, nucleated, grew and formed into superfine powder.
設備優(yōu)勢及特點
國內初創(chuàng)全系列先進超細/納米粉體材料技術解決方案，自主研發(fā)銷售，在鈦、鈦合金及難熔金屬、3D打印粉末制備，以及軍工航天級單晶基礎原材料制備領域具有廣闊應用市場。如：
1、金屬:Cu，Fe，Al，Mo，W，Ni，Re，Ta，Ti 等及其合金；
2、氧化物:Al2O3， MgO，TiO2，ZrO2，SiO2等；
3、碳化物:WC，TiC，B4C，SiC等；
4、氮化物:AiN，TiN，BN，Si3N4等。
Advantages and Features
Owning to advanced technological superiorities, this equipment series are commonly applied to the preparation of superfine/nano-powdered material with highly chemical purity:
1. Metals: Cu, Fe, Al, Mo, W, Ni, Re, Ta, Ti and their alloys;
2. Oxides: Al2O3, MgO, TiO2, ZrO2, SiO2 and so on;
3. Carbides: WC, TiC, B4C, SiC and so on;
4. Nitrides: AiN, TiN, BN, Si3N4 and so on.
設備的創(chuàng)新點
1.組合模塊式多功能輸送原材料裝置，包括：液體態(tài)、氣態(tài)、粉末態(tài)原材料均勻精密送料裝置、絲狀原材料均勻精密送料裝置、塊狀真空熔煉精密限流導流澆注裝置；能滿足不同狀態(tài)的原材料生產；
2.等離子體電源和等離子體發(fā)生器也是本項目的關鍵技術創(chuàng)新點。為了提高霧化效率和霧化過程的穩(wěn)定進行，本項目首次提出超高溫等離子體發(fā)生器、等離子氣體種類選擇、以及氣體流量和金屬流率均合理匹配，可以生產高性能全系列金屬單質和金屬合金超細/納米粉末，包括：化學活性強的金屬 Mg/Al/Ti/Zr 及合金等；高溫金屬 W/Mo/Ni/Ta 及合金等；
3. 其專業(yè)設計的化學反應室能反應生成多種高化合度的超純度多元素復合材料；
4. 提出了粉末粒度、氧含量與流動性精密智能控制的關鍵技術點；
5. **的急冷技術，制備納米級粉末材料。
設備技術先進性
1.本設備具備增材制造用高性能粉末的裝置，質效比高，智能控制集成度高；
2.首創(chuàng)粉末粒度在線測量及反饋精密控制技術，讓行業(yè)技術從此脫離個人經驗的依賴階段，進入到智能制造時代；（選配）
3.粉末的氧含量過程綜合控制技術；
4. 粉末的流動性指標關鍵控制技術；
本項目通過采用組合模塊式均勻精密的原材料送料裝置、專用霧化塔設計技術、霧化氣體再循環(huán)，利用多向冷卻粉末技術，加快霧化粉末冷卻速度，減少霧化塔內單位體積粉末顆粒濃度，降低粉末碰撞幾率，大大減低粉末之間的粘結。
5.提高-45+15μm區(qū)間粉末（應用于增材成型SLM等主流技術路徑）收得率的關鍵控制技術；
本項目采用等離子氣體霧化技術和合適的霧化工藝（主要是霧化溫度和壓力）制備粉末提高-45+15μm粉末的收得率和球形度，以保證粉末的良好的流動性。本項目研究得知，制備鎳基、不銹鋼粉末方面-45μm粉末的收得率大于70%，而且通過等離子體的結構優(yōu)化和霧化工藝的配合可以減少-15μm粉末的含量，從而有效提高-45+15μ m 粉末的收得率；
6.化學活性材料表面鈍化技術，保證產品使用過程安全性；
7.設備防靜電設計技術。
技術參數(shù)
1.技術參數(shù)
2.生產能力：30~60KG/小時(依據材料密度而不同)
3.功率：230KW
4.電源電壓：380V，50Hz
5.極限真空度：10Pa
6.保護氣氛：N2、Ar
7.冷卻水額定壓力：0.3MPa
8.氣源額定壓力：0.6MPa
9.霧化充氣壓力：≤0.5MPa
技術指標
1.粉末成品率分布：D70=15-45μm（以鈦及鈦合金粉末為例）
2.粉末氧增量：≤100ppm（以純鈦為例。實際生產過程中為應用安全，該類化學活性粉末材料必須表面鈍化處理，氧含量應至800~1500ppm；）
3.粉末流動性：≤25s/50g
等離子感應熔煉定向氣霧化制備粉末材料生產線
設備用途及原理
PIGA裝置工作原理，是利用等離子流在水冷銅坩堝中進行熔煉，坩堝底部與一個感應加熱導流噴嘴相連（導流噴嘴也是銅質材料），金屬熔液經導流噴嘴進入真空霧化系統(tǒng)，利用惰性氣體進行霧化制粉。
等離子感應熔煉定向氣霧化設備適用于需要使用無陶瓷生產工藝的活性材料和難熔材料，如Ti、TiAl、FeGd、FeTb、Zr和Cr等.
Application and Principles
The performance principles of PIGA equipment refer to the smelting in water- cooling copper crucible with plasma jet. The bottom of the crucible connects with an induction heating fluid-direction nozzle (the fluid-directing nozzle is made of copper), through which metal liquid flow out into vacuum atomization system and is generated into powder with inert gas.
Plasma induction smelting directional gas atomization equipment is applied to the active material and hard-smelted material requiring for free-ceramic production technology, such as Ti, TiAl, FeGd, FeTb, Zr, and Cr and so on.
設備優(yōu)勢及特點
本設備主要有以下特點：
1、適合制備活性材料粉末（比如鈦）或難熔合金；
2、無陶瓷生產工藝，可制備高純度、超細納米粉末材料。
設備核心模塊結構技術
等離子感應熔煉定向氣霧化設備由以下九大核心模塊及其周邊部件組成：.
1、等離子熔煉爐；
2、霧化系統(tǒng)；
3、霧化罐體；
4、粉塵收集系統(tǒng)；
5、真空系統(tǒng)；
6、冷卻系統(tǒng)；
7、氣體系統(tǒng)；
8、電氣及控制系統(tǒng)；
9、中頻感應電源。
等離子體旋轉電極離心霧化制備粉末材料生產線
設備用途及原理
等離子體旋轉電極離心霧化技術原理，是以金屬或合金制成自耗電極，其端面受離子體炬加熱而熔融為液態(tài)，通過電極高速旋轉的離心力將液體拋出并粉碎為細小液滴，繼之冷凝為粉末。保護氣氛可選用惰性氣體，**是氦氣。因為氦氣的熱導率最高，約為氬氣的10倍，既能提高冷卻速度，又可改善離子體炬特性。
等離子旋轉電極離心霧化制粉設備能制取高純度球形高溫金屬粉末材料，其制取的粉末材料粒度為50-500微米，是制造高推重比航空發(fā)動機渦輪盤、壓氣機盤等高溫轉動部件的原材料。
Application and Principles
The principle of plasma rotation electrode centrifuge atomization technology refers to that the end face of self-consuming electrode made of metal or alloy is melted into liquid state with being heated by plasma torch, then the liquid is thrown out of by centrifugal force caused by electrode high speed rotating and smashed into tiny droplets, and consequently these droplets are congealed to be powder. Inert gas can be an available option to be protecting gas, and among which helium is the best due to its highest thermal conductivity, about 10 times of argon, not only increasing cooling speed but also improving the properties of the plasma torch.
Plasma rotation electrode centrifuge atomization preparation powder equipment can produce spherically hot metal powdered material with high purity and its particle size is 50-500 nanometers. These powdered material can work as the raw material for producing high thrust-weight-ratio turbine disc and compressor disc of aero-engine, and other hot rotating components.
設備優(yōu)勢及特點
本設備具有以下技術優(yōu)勢和特點：
1、可以制備鎳基高溫合金、鈦合金等難熔金屬和活潑金屬粉末，也可制備鉭、鎢、鈷、鉻等各種合金粉末。
2、金屬熔融和霧化金屬過程中完全避免和與耐火材料接觸，消除了非金屬夾雜物污染源，可生產高潔凈度的粉末材料.
3、粉末形狀規(guī)則，球形率高，表面光潔，流動性好；
4、無衛(wèi)星球粉末及空心粉末；
5、粉末粒度分布范圍較窄。
6、由于凝快克服了偏析現(xiàn)象，可以制取許多特殊合金粉末。
Advantages and Features
This equipment possesses following advantages and features:
1. It can prepare hard-melted metal and active metal powder such as nickel-based hot metal alloy and titanium alloy, as well as various alloy powder such as Ta, W, Co, Cr and other metal-based alloy.
2. It is required to completely avoid fire-resistance materials during the course of metal melting and atomizing, eliminating pollution sources mixed with non-metal medias and thus it can produce high-cleanliness powdered material.
3. The shapes of these produced powder are regular, among which the spherical powder is produced at high possibility, its surface is bright and clean and has good mobility;
4. No satellite-ball powder and hollow powder are produced by this equipment;
5. The scope of particle size distribution is relatively narrow.
6. It can produce several special alloy powder because of segregation phenomena is conquered by curds.
設備核心模塊結構技術
等離子體旋轉電極離心霧化設備由以下七大核心模塊及其周邊部件組成：.
1、霧化室及集粉系統(tǒng)；
2、等離子槍裝置；
3、傳動裝置組件（高轉速動密封，電機，軸承，電極給進裝置）；
4、真空系統(tǒng)；
5、冷卻系統(tǒng)；
6、氣體系統(tǒng)（氣氛控制，等離子槍循環(huán)）；
7、電氣及控制系統(tǒng)。
Core Module Structure Technology
Plasma rotation electrode centrifuge atomization equipment is consisted of seven major core modules and peripheral components as below:
1. Atomization room and powder collection system;
2. Plasma gun appliance;
3. Transmission appliance unit (high rotation speed sealing, electrical machine, bears, and electrode movement device);
4. Vacuum system;
5. Cooling system;
6. Gas system (gas environment control, plasma torch circulation);
7. Electric and control system.
直流等離子體直接霧化制備粉末材料生產線
設備用途及原理
一種等離子霧化制備高純度球形超細/納米粉末材料的技術原理，包括棒材、絲材，粉末顆粒原材料，或液體、氣體原料通過專用的送料裝置直接送入對稱高溫等離子體炬形成的等離子焦點區(qū)，溫度可以高達5000K以上，原材料在高溫下被瞬間液化或汽化或熱反應分解/合成，并被等離子體高速沖擊分散霧化成超細液滴或氣霧狀，在霧化塔中飛行沉積過程中，與連續(xù)通入霧化塔中的冷卻氣體進行快速熱交換，激冷凝固成各種材質的高化學純度球形超細或納米級粉末材料。
Application and Principles
It is a technological principle applied in plasma atomizing preparation for high-purity spherical superfine / nanometer powdered material, including rod material and wire material. Powdered particle raw material or liquid and gas raw material are directly sent by particular material feeding device into the plasma focused area formed by symmetrical hot plasma torch, and the temperature can reach 5000K above. Under such high temperature, raw material will be immediately liquefied or vaporized or decomposed/synthesized with thermal reaction, and also be high-speed impacted, dispersed, and atomized into superfine liquid droplets or gas smoke by symmetrical plasma.
And then, during the course of flying and sedimentation in atomizing tower, they are allowed to have rapidly heat exchanged with cooling gas continuously fed in atomizing tower, and consequently chilled and solidified into various spherical superfine or nanometer powdered material in high chemical purity.
設備優(yōu)勢及特點
本設備以生產納米級先進粉末材料為主要特點，在航空航天等高科技新材料領域有著不同的優(yōu)勢：
1、可生產各種超細/納米級金屬粉末，如鎳、鈷、鈦、鋯，鉭等球形粉末。
2、如果通入一些能夠產生合成反應的混合氣體，可以生產某些氧化物、碳化物及氮化物等高化學純度的陶瓷粉末。
3、用等離子直接霧化制取的粉末粒度一般為納米（nm）級，含氧量很低，具有很高的活性。因此燒結性能很好，燒結產品的各項力學性能大幅度提高。另外用此方法生產的超細金屬粉末或氧化物粉末還具有極優(yōu)良的磁電和防腐蝕性能，電磁波吸收特性等，在電子半導體材料、航空航天等高科技新材料領域很有前景。
Superiorities and Features
This equipment is primarily featured with producing nanometer advanced powdered material, and possesses unique superiorities of producing high-technological new material applied in aerospace field:
1. It can produce various superfine/nanometer metallic powder, such as Ni, Co, Ti, Zr, Ta and other spherical powder.
2. If fed in some mixed gases which can generate synthetic reaction, it can produce some oxides, carbides, and nitrides and some other high chemically purified ceramic powder.
3. The particle size of the powder directly atomized by plasma is usually nanometer (nm) grade, and has low oxygen content and high activity. Thus, these powders have good sintering character, and each mechanical property of the sintered products have been greatly improved. In addition, the superfine metallic powder or oxide powder produced in this way also possesses amazing magneto-electric character and anti-corrosion property, as well as electromagnetic wave absorption specialty. This equipment has a bright future of producing high-technological new material applied in aerospace field and electronics and semiconductor materials.
設備核心模塊結構技術
等離子體旋轉電極離心霧化設備由以下五大核心模塊及其周邊部件組成：.
1.送料系統(tǒng)，
2.對稱等離子體炬及電源；
3.真空系統(tǒng)；
4.霧化塔和反應室；
5.粉末收集裝置以及后續(xù)與之相連的氣體粉末分離系統(tǒng)、粉末收集系統(tǒng)、氣體凈化再循環(huán)利用系統(tǒng)。
Core Module Structure Technology
Plasma rotating electrode centrifugal atomization equipment is consisted of five major core modules and peripheral components as below:
1. Material feeding system;
2. Symmetrical plasma torch and power supply;
3. Vacuum system;
4. Atomization tower and reaction room;
5. Powder collection device and it connects with gas-powder separating system, powder gathering system, and gas-purification recycling and utilizing system.
