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Wuxi Yongheng Aluminum Industry Co., Ltd.

Wuxi Yongheng Aluminum Industry Co., Ltd.

无锡永衡铝业有限公司

OUR PRODUCTS

Aluminum Plate Fin Heat Exchanger

Liquid (air) cold plate

Heat Exchanger Raw Materials

Construction machinery heat exchangers

Heat exchangers for agricultural and forestry machinery

New energy heat exchanger

Oil cooling

Water cooling

Fin

Liquid-cooled plates for new energy vehicles

Liquid-cooled plates for radar and other communication applications

Wuxi Yongheng Aluminum Industry Co., Ltd.

Wuxi Yongheng was established in 2008 and is located in Wuxi Binhu District. The company began serving the heat exchange industry in 2001, and since 2008...

2008

Since

1500 million

Registered capital

12000 million

Annual sales

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NEWS CENTER

2020.10.22

Warm congratulations to the website of Wuxi Yongheng Aluminum Co., Ltd. is online!

Wuxi Yongheng was established in 2008 and is located in Binhu District, Wuxi. The company has been serving the heat exchange industry since 2001, and since 2008, it has focused on the production of aluminum, copper heat exchangers and their raw materials. The product mainly has three parts: raw material of heat exchanger; aluminum plate-fin heat exchanger; liquid (air) cold plate.

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2020.10.22

Problems that may occur in the use of heat exchangers

1. Scaling and scaling can lead to the reduction of the heat transfer coefficient of the heat transfer equipment, and even block the plate channel in severe cases. The plates of the plate heat exchanger are designed with a large number of support points, which are designed to disturb the flow of the medium (to make the medium turbulent to improve the heat transfer coefficient) and to support the pressure. The side effect is that the fluid forms a local stagnation to form a scale accumulation. After the calcium and magnesium ions in the medium are precipitated at a suitable temperature, it is easy to attach and grow on the accumulation, forming a honeycomb-like scale. Although the causes of blockage and scaling are different, the effect on the plate heat exchanger is the same. The following countermeasures can be taken to alleviate structural problems: (1) The plate heat exchanger should not be used in a dirty or fouling environment (unless other effective measures are added). (2) When using unsoftened cooling water as the cooling medium, the operating temperature should be controlled at about 50 °C or lower to avoid the sensitive temperature of calcium and magnesium ions in the medium. 2. The pressure affects the leakage of the disassembled plate heat exchanger when it is used within the rated working pressure. In addition to the quality factors in the manufacturing and assembly of the equipment, it is mainly related to the abnormal impact load (water hammer, air hammer) in the system. This is a phenomenon that is not easily observed by ordinary operators. The instantaneous pressure peak caused by the impact is often 1 to 3 times higher than the normal working pressure, which displaces the rubber gasket installed in the plate heat exchanger and causes the seal to fail.

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2020.10.22

How should we choose a heat exchanger? What are the principles of heat exchanger selection?

In our life and production, heat exchangers are inseparable, and heat exchangers are required to effectively transfer heat from one medium to another medium, but how do we choose a heat exchanger? The answer depends on the specific situation. Different, so we've listed the factors you'll want to consider to help you pick the right heat exchanger for your needs. There are many factors that need to be considered when selecting a heat exchanger, mainly the properties of the fluid; the range of pressure, temperature and allowable pressure drop; requirements for cleaning and maintenance; material costs; service life, etc. (1) Although the selection of heat exchangers is simple, it contains a lot of content. This requires both theoretical and practical experience. But in the final analysis, it is nothing more than a careful comparative analysis of existing heat exchangers, which are arranged and selected according to their performance. (2) When selecting a heat exchanger, the investment cost is not necessarily the most important factor. In some cases, in order to guarantee the reliability and continuity of operation and maintenance, this should be the case even if the equipment is expensive. Otherwise, even in the event of a short-term shutdown, the losses will exceed the investment cost. (3) When multiple heat exchangers can meet the technical requirements, the heat exchanger with the smaller sum of fixed cost and variable cost within a certain period (usually one year) should be selected. (4) It can be seen from the economic calculation of the heat exchanger that a heat exchanger with high efficiency does not mean that it is suitable. In fact, a heat exchanger with a small heat transfer area and a large heat transfer rate is an economical and excellent heat exchanger. (5) The appropriate operating time of the heat exchanger should be considered. After the heat exchanger is in operation, there will be fouling on the heat transfer surfaces. After prolonged use, the dirt will gradually thicken, thereby reducing the heat transfer coefficient. When the heat transfer coefficient drops to a certain value, the descaling operation should be stopped. Therefore, it is necessary for the heat exchanger to be descaled regularly. (6) When selecting the preheating method and the type selection of the heat exchanger, a detailed technical and economic analysis should be carried out first. Well, the above are the factors and selection principles that need to be considered in the selection of heat exchangers. I hope you will understand more. In addition, the shell and tube heat exchanger is widely used at present, and the commonly used two are fixed tube sheet type and floating head type. From an economic point of view, as long as the process conditions permit, the fixed tube plate heat exchanger should be preferred. In addition, I would like to remind everyone that when the following two conditions are encountered, the temperature difference between the shell wall and the tube wall is 50 to 70 °C or even more than 70 °C, and when the shell side fluid pressure is greater than 0.6MPa, the shell side fluid is easy to scale or corrode When the performance is strong, the fixed tube plate heat exchanger cannot be used, and the floating head heat exchanger should be used.

Our company's product line covers oil-cooled, water-cooled, inter-cooled and other types of heat exchangers, which are widely used in various industries: agricultural and forestry machinery, construction machinery, air compressors, wind power equipment cooling, rail transit, etc.

Agriculture and Forestry
Machinery

The heat exchanger for agricultural and forestry machinery is the key product of our company. It adopts the imported technology from Italy ...

Construction machinery

Used in various construction machinery such as excavators, road rollers, mixer trucks, oil, water, inter-cooling, single or combined design.

Rail transit, aviation

Water cooling system or intercooler for rail transit and aviation engine.

Cooling system

The plate-fin heat exchanger and pipeline realize the water cooling of the system. It can be customized according to customers and used in various systems.

About us

Company Profile
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Equipment Center

Product Center

Heat Exchanger Raw Materials
Aluminum Plate Fin Heat Exchanger

Liquid (air) cold plate

Wuxi Yongheng Aluminum Industry Co., Ltd.

TEL：

86-18552071597

ADD：

No. 17, Changkang Road, Binhu District, Wuxi City, Jiangsu Province