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渣浆泵在给水排水事业中的作用和地位
添加时间:2023.02.07

在工程术语中,渣浆泵是为大家所熟悉的名词。这多半是由于泵是属于通用性的机械类而广泛地应用于国民经济的各个部门。随着现代工业的蓬勃发展,采矿、冶金、电力、石油、化工、市政以及林等部门中,各种形式的泵站很多,其规模和投资越来越大,功能分类愈分息细。以采矿工业而言,矿山中竖井的井底排水,大型矿床的地表疏干以及掘进斜井的初期排水等技术设施,都需要建造一系列相应的泵站来满足整个采矿工程的需要。在电力部门中,无论是火力或原子能发电系统,从高压锅炉给水泵站起,一直到冷热水的循环泵站、水力清渣除灰的高压泵站以及冷却水的补给泵站等都是必不可少的。它们在整个系统中,常常是规模大、投资大、地位重要的工程项目。在市政建设中,泵站也是城市给水和排水工程中重要的组成部分。它们通常是整个给水排水系统正常运转的枢纽。图1-1所示为城市给水排水系统工艺基本流程,由图可知,原水由取水泵站,从水源地(江、河、湖、水库等)抽送至自来水厂,净化后的清水由送水泵站输送到城市管网,流人工厂、企业以及千家万户。城市中的废水,经过各区域的排水管网收集进人排水泵站,由各区域的排水泵站将各路污()水输送至污水处理厂。经过一系列的污水处理工艺后,由污水处理厂的主泵站将处理合格的出厂水,再回送人江、河、湖水之中(也可以作为农业灌溉水,输人农田;在少数些发达国家, 实行“零排放” 方针,将污水处理厂的出厂水,重新作为城市自来水厂的第二水源启用)。由此可见,我们给水排水专业的工作者,就是把水的采集、净化、输送、回收利用,直到再净化、再输送以及再利用的过程,视为一个完整的社会循环过程。我们的专业人士应该做好水的社会循环,建立起对水在进人社会循环过程中所发生的一切改变负责到底、跟踪到底的精神,从总体上确保水环境的良好状态,使我国的水工业真正体现造福人民的效能。

In engineering terminology, slurry pump is a familiar term. This is mostly due to the fact that pumps are universal machinery and are widely used in various sectors of the national economy. With the vigorous development of modern industry, there are many pumping stations in various forms in mining, metallurgy, electric power, petroleum, chemical, municipal and forestry sectors. Their scale and investment are becoming larger and larger, and their functional classification is becoming more detailed. For the mining industry, a series of corresponding pumping stations need to be built to meet the needs of the entire mining project, such as the bottom drainage of shafts in mines, the surface drainage of large deposits and the initial drainage of inclined shafts. In the power sector, whether it is a thermal or atomic power generation system, it is essential from the high-pressure boiler feed pump station to the circulating pump station of cold and hot water, the high-pressure pump station of hydraulic slag removal and ash removal, and the cooling water supply pump station. They are often engineering projects with large scale, large investment and important status in the whole system. In municipal construction, the pump station is also an important part of urban water supply and drainage engineering. They are usually the pivot for the normal operation of the entire water supply and drainage system. Figure 1-1 shows the basic process flow of the urban water supply and drainage system. It can be seen from the figure that the raw water is pumped from the water source (river, lake, reservoir, etc.) to the water plant by the water intake pump station, and the purified clean water is delivered to the urban pipe network by the water supply pump station, and flows to factories, enterprises and thousands of households. The waste water in the city is collected into the drainage pump station through the drainage pipe network in each area, and the sewage (waste) water in each road is transported to the sewage treatment plant by the drainage pump station in each area. After a series of sewage treatment processes, the main pump station of the sewage treatment plant will treat the qualified factory water and then send it back to rivers, rivers and lakes (it can also be used as agricultural irrigation water and sent to farmland; in a few developed countries, the "zero discharge" policy is implemented, and the factory water of the sewage treatment plant will be reused as the second water source of the urban water plant). It can be seen from this that our water supply and drainage professionals regard the process of water collection, purification, transportation, recycling, and reuse, as a complete social cycle. Our professionals should do a good job in the social cycle of water, establish the spirit of taking full responsibility for and following up all changes in the process of entering the social cycle of water, and ensure the good state of the water environment in general, so that China's water industry can truly reflect the efficiency of benefiting the people.