Combined Flow Closed Cooling Tower
Closed Cooling Tower is operated by circulating water or fluid, which is divided into two closed loops.
1. Circulation in the tower: the circulating water or fluid passes through the hot zone environment. After the water temperature rises, it enters the surface cooler in the tower, and the heat is sent to the environment outside the tower through the surface cooler and ventilation fan. The cooled circulating water or fluid is sent to the heat source by the water pump.
2. Circulation outside the tower: the spray water is sent to the spray system by the water tank through the water pipe. After spraying, the spray water first exchanges heat with the filler, so that the spray water can be cooled rapidly. At this time, the water contacts the surface of the surface cooler for heat exchange. Part of the hot steam is discharged through the ventilation fan, and the cooled spray water drops to the water tank for secondary circulation to form an external circulation for cooling.
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On July 23, "The Hualing Auto National Dealer Market Symposium and Valin Star Promotion Conference" was held in Xi'an, Shaanxi Province. At the meeting, Liu Hanru, chairman of Valin, delivered an impassioned speech with his usual enthusiasm, encouraging dealers, suppliers, service providers and financial institutions throughout the country. As an important partner of Valin, Dongfeng Cummins, Weichai Power, Shanghai Hino, Fast, Yuchai and other supporting manufacturers also sent representatives to attend and gave speeches.
At the conference, Valin Motors launched a lightweight version of the Valin Star series, and encouraged dealers to make the Valin Star and the second-generation new product Kemma as key models for promotion in the second half of 2009.
Star Kemah is a high-end heavy truck that has been carefully built by Valin Auto, which is a high-end and niche. Star Kemah’s share in the overall heavy-duty truck market is relatively small, while Valin Star will be responsible for its outstanding price/performance advantages. Valin is catching up with the important mission of other heavy truck companies in sales.
As for the development of Valin in the second half of 2009 and beyond, Liu Hanru stated that apart from Xing Kaima, the Valin Star will be the focus of Hualing's future market promotion. Liu Hanru said that this is a lightweight model, which is a medium and heavy truck series developed specifically for weight-based charging policies. He said that in order to meet the different needs of different regions of the market, Hualing specifically optimized this heavy truck design, including chair height, comfort, safety and so on. After more than three years of improvement, this product has been very mature.
It is understood that the Valin Star is the product that was originally designed by Hualing Auto and the original model of Hualing. However, it was launched two years later than the old model. It is based on the second generation heavy-duty truck of the Hualing old model. Valin Star and Valin older models, the cab is relatively narrow, relatively low engine power, other aspects, including the drive form and configuration are generally the same. However, the sales price of Valin Star was lower than the old one by one tier -- 10,000 to 20,000 yuan lower than the similar configuration, which makes this model has a strong competitive edge in the low-end heavy truck market.
From 2008 to 2009, Valin Star achieved good sales performance in some regions. This time again, it was launched with great strategic significance for Valin to complete its 2009 sales target. According to industry insiders, the continuous development of the company requires quality assurance of high-end products as well as sales of low-end and middle-end products. Valin's Star is equivalent to the Hualing Heavy Truck's downward extension from the high-end products. The top 7 companies in the domestic heavy truck industry are also basically equipped with high, medium and low-end products.
Liu Hanru revealed that in the future, Valin Motors will continue to explore the field of special vehicles and actively seek development in such markets as garbage trucks, tankers, sprinklers, and truck cranes.
In the heavy truck sales service model, Liu Hanru said that in the second half of 2009, Valin will continue to implement the "1-2-3" heavy truck sales service model, specifically: to focus on helping 100 dealers and improve their service system; establish 200 The two-level dealer service network has expanded the market service surface; signed 300 external service stations to meet the needs of users as much as possible.
Liu Hanru said that Valin is optimistic about the domestic heavy truck market in the second half of the year. He believes that this year's heavy-duty truck market is expected to rise above the trend of easing, and the heavy-duty truck industry will resume its growth in the second half of the year. The overall sales volume for the whole year will be basically the same as in 2008.