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PJ-真空氣體氮化＋后氧化（NA-C）爐（生產線）

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

應用結構；臥式箱式/立式箱式

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

主要供各種鋼制機械零件、汽車配件，模具材料進行滲氮、氮化+后氧化，氮碳共滲、前氧化、后氧化、氧氮共滲等多種熱處理工藝之用.

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）工藝是在低真空狀態下進行爐內壓力周期式變化，氣氛保持新鮮、活性，氮勢也呈周期式變化，氮化結束沖入水蒸氣形成的氧化層，白亮層，擴散層的復合結構

(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. 工藝適應性廣、設備先進 /wide process adaptability and advanced equipment
適用于高中低碳鋼，合金鋼，鑄鐵，球鐵，灰鐵，不銹鋼表面強化處理，適用于耐腐蝕，耐磨環境（油田，化工，汽車，高鐵工業環境與不粘鍋等家用產品），經過處理耐腐蝕性能超過不銹鋼，耐磨性超過普通氮化，經過后氧化處理的產品，鹽霧試驗達到360h以上,可替代鍍鋅，鍍絡，發黑，工藝環保無污染

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。

該設備適用于盲孔、長孔，夾縫等復雜形狀，氮化爐真空脈沖變壓技術使爐內氣氛自動擴散到罐內各處，無死角。盲孔、毛孔及模具狹縫處工作面也能得到所需滲層

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. 裝爐量大、加工成本低

The charging capacity is large and the processing cost is low.
采用真空脈沖變壓技術，在低真空和變壓的環境下完成滲氮（氮化）工藝過程，新鮮氣氛可滲透到爐罐內任一角落，所以工件可以密裝，使裝爐量大大增加，同時，該爐密封性，保溫性能好，從而顯著降低處理成本

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. 工藝穩定

Process stability
爐內氣氛均勻可控，爐溫均勻，從而保證工藝穩定性，提高和保證了工件質量

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. 環保

environmental protection
爐子密封性好，廢氣排出經過高溫裂解排出，屬環保產品

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

特點 /characteristic：

1； 采用全波紋馬弗和導流筒、強對流循環風機等特殊的對流循環系統，提高了爐內熱交換能力和爐溫及氣氛的均勻性

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； 控制系統采用德國品牌供應商保證產品質量均勻一直穩定

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

3； PE氮化專家系統可離線模擬氮化工藝、在線計算氮化層深度及硬度梯度

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

4； 氫探頭氮勢測量系統，質量流量控制系統保證氮化工藝在線實時控制

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

5； 整體設計按照歐洲安全標準

The overall design is in accordance with European safety standards.

6； 采用一體化集成可變程序控制器，集爐溫控制、氮勢控制、蒸氣控制，機電動作、聯鎖、報警為一體，保障了設備運行的高可靠性

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； 滲氮過程通過對溫度、Kn、Kc、Ko等參數進行準確控制，以達到對氮化物的形態和組織實 現動態控制

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； 采用上位機系統，可進行工藝程序編制、工藝運行操作控制、工藝過程狀態顯示、工藝運行記 錄，報警信息記錄等系統管理

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.

配置選擇/Configure select:

爐型結構：單室臥式/單室立式

Furnace structure: single chamber horizontal/single chamber vertical

真空泵組和真空計：進口/高品質國產

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

真空度：預抽真空

Vacuum: pre-vacuum

PLC:西門子/歐姆龍/三菱

PLC: Siemens/ Omron/Mitsubishi 

溫控儀表：歐陸/導電

Temperature control instrument: European/Shimaden

熱電偶：N型分度號/滲氮專用

Thermocouple: n-type dividing number / nitriding special

記錄儀：有紙記錄儀/無紙記錄儀

Recorder: paper  recorder /paperless recorder

人機界面：模擬屏/計算機觸摸屏

Man-machine interface: analog screen/computer touch screen

電器元件：高品質國產/施耐德/西門子

Electrical components: high quality domestic/ Schneider/Siemens

產品 規格/ product specifications：

注：特殊規格要求可根據客戶要求定制

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

以下參數可根據工藝要求調整，不作為驗收依據，具體以技術方案和協議為準

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