PJ-真空气体氮化＋后氧化（NA-C）炉（生产线）

PJ- vacuum gas nitriding + post-oxidation (NA-C) furnace (production line)

应用结构；卧式箱式/立式箱式

Application structure; horizontal / vertical box type; horizontal box type / vertical box type

主要供各种钢制机械零件、汽车配件，模具材料进行渗氮、氮化+后氧化，氮碳共渗、前氧化、后氧化、氧氮共渗等多种热处理工艺之用.

It is mainly used for nitriding, nitriding post-oxidation, nitrocarburizing, pre-oxidation, post-oxidation, oxygen-nitriding and other heat treatment processes for various steel mechanical parts, auto parts and die materials.。

1. 特征 /characteristic
（NA-C）工艺是在低真空状态下进行炉内压力周期式变化，气氛保持新鲜、活性，氮势也呈周期式变化，氮化结束冲入水蒸气形成的氧化层，白亮层，扩散层的复合结构

(NA-C) the process is to carry on the pressure periodic change in the furnace under the condition of low vacuum, the atmosphere keeps fresh, the activity, the nitrogen potential also shows the periodic change, the nitriding ends to wash into the oxide layer formed by water vapor, the white layer, the diffusion layer composite structure.
2. 工艺适应性广、设备先进 /wide process adaptability and advanced equipment
适用于高中低碳钢，合金钢，铸铁，球铁，灰铁，不锈钢表面强化处理，适用于耐腐蚀，耐磨环境（油田，化工，汽车，高铁工业环境与不粘锅等家用产品），经过处理耐腐蚀性能超过不锈钢，耐磨性超过普通氮化，经过后氧化处理的产品，盐雾试验达到360h以上,可替代镀锌，镀络，发黑，工艺环保无污染

Suitable for high and medium carbon steel, alloy steel, cast iron, ductile iron, gray iron, stainless steel surface strengthening treatment, suitable for corrosion resistance, wear resistance environment (oil field, chemical industry, automobile, high iron industrial environment and non-stick pot and other household products). After treatment, corrosion resistance exceeds stainless steel, wear resistance exceeds ordinary nitriding, salt spray test up to 360 h, can replace galvanizing, complexing, blackening, Process environmental protection without pollution。

该设备适用于盲孔、长孔，夹缝等复杂形状，氮化炉真空脉冲变压技术使炉内气氛自动扩散到罐内各处，无死角。盲孔、毛孔及模具狭缝处工作面也能得到所需渗层

The equipment is suitable for blind hole, long hole, crack and other complex shapes. The vacuum pulse pressure conversion technology of nitriding furnace makes the atmosphere in the furnace automatically spread to all parts of the tank without dead angle. The required seepage layer can also be obtained in the working face at the blind hole, pore and die slit.
3. 装炉量大、加工成本低

The charging capacity is large and the processing cost is low.
采用真空脉冲变压技术，在低真空和变压的环境下完成渗氮（氮化）工艺过程，新鲜气氛可渗透到炉罐内任一角落，所以工件可以密装，使装炉量大大增加，同时，该炉密封性，保温性能好，从而显著降低处理成本

Vacuum pulse pressure conversion technology is used to complete nitriding (nitriding) process in low vacuum and pressure changing environment. The fresh atmosphere can penetrate into any corner of the furnace tank, so the workpiece can be packed closely, which greatly increases the charging capacity. At the same time, the furnace has good sealing and heat preservation performance, thus significantly reducing the treatment cost.
5. 工艺稳定

Process stability
炉内气氛均匀可控，炉温均匀，从而保证工艺稳定性，提高和保证了工件质量

The atmosphere in the furnace is uniform and controllable, and the furnace temperature is uniform, so as to ensure the stability of the process and improve and ensure the quality of the workpiece.
6. 环保

environmental protection
炉子密封性好，废气排出经过高温裂解排出，属环保产品

The furnace has good sealing property, and the exhaust gas is discharged by high temperature cracking, which is an environmental protection product.

特点 /characteristic：

1； 采用全波纹马弗和导流筒、强对流循环风机等特殊的对流循环系统，提高了炉内热交换能力和炉温及气氛的均匀性

The heat exchange capacity of the furnace and the uniformity of the furnace temperature and the atmosphere are improved by adopting a special convection circulating system such as a full-corrugated muffle and a guide cylinder and a strong convection circulating fan.

2； 控制系统采用德国顶级品牌保证产品质量均匀一直稳定

The control system adopts the top German brand to ensure the product quality is uniform and stable all the time.

3； PE氮化专家系统可离线模拟氮化工艺、在线计算氮化层深度及硬度梯度

PE nitriding expert system can simulate nitriding process offline and calculate the depth and hardness gradient of nitriding layer on line.

4； 氢探头氮势测量系统，质量流量控制系统保证氮化工艺在线实时控制

Hydrogen probe nitrogen potential measurement system, mass flow control system to ensure on-line real-time control of nitriding process。

5； 整体设计按照欧洲安全标准

The overall design is in accordance with European safety standards.

6； 采用一体化集成可变程序控制器，集炉温控制、氮势控制、蒸气控制，机电动作、联锁、报警为一体，保障了设备运行的高可靠性

The integrated variable program controller is adopted, which integrates furnace temperature control, nitrogen potential control, steam control, electromechanical action, interlocking and alarm, which ensures the high reliability of the equipment operation.

7； 渗氮过程通过对温度、Kn、Kc、Ko等参数进行准确控制，以达到对氮化物的形态和组织实 现动态控制

Through the accurate control of temperature, Kn,Kc,Ko and other parameters in nitriding process, the dynamic control of nitride morphology and microstructure can be achieved.。

 8； 采用上位机系统，可进行工艺程序编制、工艺运行操作控制、工艺过程状态显示、工艺运行记 录，报警信息记录等系统管理

The upper computer system can be used for process programming, process operation control, process state display, process operation recording, alarm information recording and other system management.

配置选择/Configure select:

炉型结构：单室卧式/单室立式

Furnace structure: single chamber horizontal/single chamber vertical

真空泵组和真空计：进口/高品质国产

Vacuum pump set and vacuum gauge: import/high quality domestic

真空度：预抽真空

Vacuum: pre-vacuum

PLC:西门子/欧姆龙/三菱

PLC: Siemens/ Omron/Mitsubishi 

温控仪表：欧陆/导电

Temperature control instrument: European/Shimaden

热电偶：N型分度号/渗氮专用

Thermocouple: n-type dividing number / nitriding special

记录仪：有纸记录仪/无纸记录仪

Recorder: paper  recorder /paperless recorder

人机界面：模拟屏/计算机触摸屏

Man-machine interface: analog screen/computer touch screen

电器元件：高品质国产/施耐德/西门子

Electrical components: high quality domestic/ Schneider/Siemens

产品 规格/ product specifications：

注：特殊规格要求可根据客户要求定制

Note: special specification requirements can be customized according to customer requirements

以下参数可根据工艺要求调整，不作为验收依据，具体以技术方案和协议为准

The following parameters may be adjusted according to the process requirements and shall not be used as the basis for acceptance, depending on the technical scheme and agreement