高压鼓风使旧砂处于沸腾状态，达到最佳冷却效果。
High voltage blasting lets the used sand to be under boiling state, therefore best cooling effect can be reached.
解决了旧砂回用问题，具有显著的经济效益及社会效益。
It has solved the problem of reclamation of return sand, and it has remarkable economic as well as society benefits.
本文就如何经济地对水玻璃旧砂进行再生的问题进行了研究。
This paper studies the problem how to reclaim silicate wast sand economically.
结果表明，植物油旧砂的使用将在一定程度上恶化油砂性能。
The result shows that used sand reduces properties of oil bonded sand.
在车间改造中，去掉了原有的旧砂吸送系统，而导致型砂质量下降。
In renovation of the foundry shop, the original used sand suction system was dismantled, which caused lower quality of the molding sand.
测定了植物油砂旧砂性能，分析了植物油旧砂对油砂性能影响规律；
The properties of used sand of vegetable oil bonded sand was measured.
本机使用时一般是与其它设备组成整套的树脂自硬砂旧砂再生流水线。
When in operation, the unit is generally installed together with other machines to form resins self hardening sand reclaiming line.
从固体废弃物资源化的角度论述铸造旧砂的综合利用情况并分析其前景。
From the point of recycling of solid waste, this paper is to discuss the synthetic utilization of used sand and analyse the future.
但因清华大学铸造厂缺乏温度较高的旧砂，以致无法进行降温控制效果的试验。
However, the foundry plant of tsinghua university lacks old sand with high temperature and can not carry out test of cooling control.
三是实现不同砂带布基品种、不同砂带粒度、新、旧砂带与工件的自动化对零。
The present invention has the advantages of automatic precise zero setting to raise the work efficiency of sander and is suitable for various kinds of abrasive belts.
研究了微波水玻璃砂的工艺性能、造型制芯、铸件浇注、旧砂再生及其再生砂性能。
The investigation was carried out into the technological properties of microwave silicate sand, molding and core making, casting pouring, used sand reclamation and its properties.
这几个铸造厂在减少新砂购买和旧砂弃置费用方面前进一大步，并保证排放物低于规定。
They took a major step forward in reducing new sand and disposal costs, provided emissions well below regulations.
实验研究了铸造319铝合金在余热热处理工艺下的微观组织、力学性能及旧砂再生处理。
The effects of the remained heat treatment technique on the microstructure, mechanical properties of 319 Aluminum alloy and used sand reclamation were investigated.
用在混制型砂或芯砂的铸造设备，混砂机一般具有下列功能：将旧砂﹑新砂﹑型砂黏结剂和辅料混合均匀。
In the mix of sand or sand core casting equipment, sand mixing machine generally has the following functions: the old sand, new sand, sand bonding agent and auxiliary materials mixed evenly.
就残留催化剂和其分解物影响呋喃树脂旧砂及其再生砂的固化速度和固化强度的原因作了较深层次的研究和探讨。
The causes that residual catalysts affect the curing velocity and cured strength of used sand bonded with furan resin and reclaimed furan sand were studied and discussed deeply.
阐述了新型螺旋振动旧砂再生成套装置的基本原理和特点，介绍了成套装置的组成、生产使用情况和良好的效果。
This paper is concerned with the basic principle and features of a new-type used sand reclaiming outfit with spiral vibration.
它采用悬浮振动的原理。振动电机产生激振力矩使砂块按一定的规律振动通过相互碰撞，搓擦而达到破碎旧砂块的目的。
Based on the suspension vibration principle, the vibrating motor generates vibration torque to make sand particles crush with each other in a certain way.
本文叙述了锰砂表面改性(以下简称旧锰砂)处理含酚饮用水的实验研究，陈酚率可达99%。
This paper mainly reports the experimental study that containing phenol compound in edible water is got rid of with manganese sand surface change. The rate of removing the phenol is 99%.
本文叙述了锰砂表面改性(以下简称旧锰砂)处理含酚饮用水的实验研究，陈酚率可达99%。
This paper mainly reports the experimental study that containing phenol compound in edible water is got rid of with manganese sand surface change. The rate of removing the phenol is 99%.
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