cold box

Research and engineering design of new type hydrogen cold box in hydrocracking reactor

加氢裂化反应器新型冷氢箱的研究与工程设计

The CO 2 phenolic resin binder system is a new molding and core making binder for cold box process, which has many advantage properties.

CO2固化碱性甲阶酚醛树脂粘结剂是一种新型的造型、制芯材料。

Work in the cold box is considered confined space work.

在低温试验箱里工作被认为是在狭隘的场地里工作.

Are there air dryers on the air supply to cold box and hot box core machines?

冷,热型芯操作箱是否有空气干燥器?

Study on the Technological Parameters of Cold-box Core-Shooter

冷芯盒射芯工艺参数的研究

A work permit validated by ALE is necessary to enter and work inside the cold box.

在低温试验箱内工作必须要有ALE的有效工作许可证.

Application of cold welding technique in cold box repair

冷焊技术在冷箱修复中的应用

Shell core and cold box coremaking are the main technique at present.

目前制芯工艺主要采用壳芯和冷芯盒制芯技术.

On the basis of the optimum synthesis conditions, the techniques of the CO_2-cured phenolic resin for cold-box are researched.

在确定最佳合成工艺条件的基础上，对CO2固化酚醛树脂砂冷芯盒工艺条件进行了研究。

This new amine cold box binder has been developed to improve workability during core-making.

该粘结剂是为了改善铸模成型时的操作性而开发的胺冷芯盒粘结剂.

The helium Refrigerator includes the oil-injected screw compressor, the turbo-expander, the cold-box and some auxiliary systems.

氦制冷系统主要由喷油螺杆压缩机、透平膨胀机、冷箱及其它辅助设备构成。

On line Unfreezing and Blow off of Cold Box

冷箱在线解冻与在线爆破吹扫

Trial And Application of CO_2 Cured Cold Box in Production

CO2/酚醛树脂冷芯盒工艺试验及其在生产中的应用

A new cold-box binder system for CO 2-cured phenolic resin was introduced. This binder system consists of alkaline phenol-formaldehyde, hardening promoter and additive, etc. After CO 2 gas passed through the resin sand for hardening, then higher initial and final strength can be achieved.

介绍了一种新型CO2硬化碱性酚醛树脂冷芯盒粘接剂系统，由碱性酚醛树脂和促硬剂及添加剂等组成，吹CO2气体硬化后，获得具有较高初强度和终强度的树脂砂芯。

Based on cause analysis of perlite entering piston oxygen compressor with inlet gas, corresponding treatment measures are described. The seal gas of cold box was moved from nitrogen pipe to waste nitrogen pipe to prevent similar accidents.

分析了活塞式氧压机进气带珠光砂的原因，介绍了处理措施，把冷箱密封气从氮气管线上改到污氮管线上，以杜绝类似事故再次发生。

Study on the CO2 Cold Box System of Complex-crosslinking Binder

复交砂CO2&冷芯盒法的研究

Strength of cold-box core will obviously decrease by water-based coating.

冷芯盒法砂芯浸涂 水基 涂料后强度会明显下降.

The maximum deformation occurs in the middle field of top cover and the stress concentration occurs in the joint of reinforced ribs and wall of cold-box.

冷箱最大变形发生在上法兰中间区域，应力集中在冷箱壁与加强筋相交区域。