quenching heat-exchanger

Heat source device with plasma arc quenching is of great capacity for its high thermal efficiency and low cost.

等离子弧淬火热源装置热效率高，成本低，有巨大的发展潜力。

Quenching and tempering heat treatment are integrated in order to improve the mechanical properties of fasteners to meet the product requirements of tensile strength and yield ratio value.

热处理调质是为了提高紧固件的综合力学性能，满足产品规定的抗拉强度值和屈强比。

In this paper, relation between effective size and tempering temperature-time for quenching speciman has been derived with new tempering parameter and heat-transfer theory, that has proved by experiments.

本文利用新回火参数与传热学原理推导出圆柱试样淬火后回火时有效尺寸与温度时间的关系，并用实验证明它的有效性。

End-quenching of P20 steel, 2-D transient heat transfer problem without latent heat and quenching process of1080 steel were simulated using this software by established several suitable FEM models.

建立了适当的有限元模型，模拟了P20钢端部淬火、无内热二维瞬态热传导问题和1080钢棒淬火工艺。

In order to improve the magnetic properties of Nd-Fe-B/ α-Fe nanocrystalline permanent magnets, the effect of heat treatment on magnetic properties of Nd_8Fe_ 77B_6Co_8Nb_1 nanocomposite magnetic material prepared by rapid quenching and crystallization heat treatment was studied.

为改善纳米复合永磁合金的磁性能，用熔体快淬和晶化热处理的方法制备了纳米复相Nd2Fe14B/α-Fe永磁体，研究了热处理工艺对Nd8Fe77B6Co8Nb1纳米晶复合磁体磁性能的影响。

According to the practice running parameters of Jigang's coke dry quenching system, the heat balance calculation is carried out, educing and validating the heat balance equation.

根据济钢干熄焦系统的实际运行参数，对干熄焦装置进行了热平衡计算，得出并验证了干熄焦装置的热平衡方程。

Influence of mould releasing time of direct quenching of ZL110 alloy chain saw piston making use of remanent heat after casting on quenching effect and strengthening of artificial aging were studied.

探讨了ZL110油锯活塞铸造余热淬火的脱模时间对铸淬效果及人工时效强化规律的影响。

The appearance of the medium-frequency through quenching and the corresponding quenching machine has a great significance to improve the technology of heat treatment in china.

中频穿透淬火工艺及相应的淬火机床的问世，对改善和提高我国的热处理工艺和设备水平有一定意义。

Conventional heat treatment of low alloy martensitic wear-resistant steel is quenching and low-temperature tempering process, from which it can get tempered martensite structure which has a good combination of strength and toughness.

低合金马氏体耐磨钢的传统热处理工艺为淬火后低温回火，得到回火马氏体组织，具有良好的强度、硬度和韧性的配合。

It is proper for middle treatment to adopt high temperature tempering after oil quenching and three-time high temperature tempering is adopted as final heat treatment.

中间处理采用750℃×5h高温回火为宜，最终热处理采用油淬后三次高温回火。