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Pervious bricks used by waste, make construction waste beautiful

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更新时间:2018年05月30日01:32:06 打印此页 关闭 Hits: 1647 Updated: May 30, 2018 01:32:06 Print this page Close

Construction waste refers to the muck, spoil, spoil, silt and other wastes arising from the process of construction, laying or removal, and replenishment of various types of constructions, structures, and pipe networks by the founding or construction unit or individual. 透水砖 跟着城市缔造脚步的加速,修建废物的处理成了城市管理的一大难题。 Turning waste into treasure The use of construction waste to produce recycled permeable bricks has accelerated with the pace of urban construction, and the disposal of construction waste has become a major problem in urban management. At present, landfills and accumulations are the primary treatment methods for construction waste in various places, and the rate of waste recovery and reuse is low. In February 2016, Huainan City's urban construction waste collection and treatment project was put into trial operation, setting a precedent for the resource utilization of construction waste in Anhui Province.

1 Township planning is increasing construction waste production is rising. Shipbuilding construction waste is often referred to as slag. In fact, spoil, brick slag, scrap, and other solid waste that occurred during the process of urban construction are all attributed to construction waste. In recent years, with the expansion of township planning, the construction of urban projects such as real estate development, site demolition, and old city transformation has accelerated, and the amount of construction waste has been accumulating. According to statistics, the removal of the old building per square meter will cause 0.8 m 3 of construction waste, about 1.3 t. With regard to the hundreds of thousands of square meters of demolition projects, the volume of construction waste can be imagined. Regarding the treatment of construction waste, except for a small part of which is used for construction backfill, the traditional method is to transport it to the periphery of the city for accumulation. During operation, there are often vehicles that are exposed to the road due to accidents or substandard operations, which bring great inconvenience to road traffic and the lives of surrounding residents.

2 Waste removal is not the end of the treatment is not easy and multiple damages are easy to happen. Now, in the periphery of some larger planned cities, the construction of waste mountain siege has become an outstanding problem. According to statistics, for every 10 million tons of waste to be built, it will occupy more than 1,000 mu of land. With the increasingly tense relationship between people and land in cities, the annexation of land by construction waste will inevitably lead to a more serious conflict between people and land. In fact, for many small and medium cities, there is still a lot of room for construction waste accumulation. However, land occupation by waste accumulation is still a major problem for urban management. For construction time and cost considerations, urban construction waste disposers often leave the finishing operations to the clearing company, and in order to save transportation costs and “exit” costs, the driver of the dump truck often drills holes and is free to be beside the road and under the bridge , Suburban areas, etc. In addition to embezzling land, construction waste will also cause some hidden damage to the surrounding environment. According to reports, under the external force of construction waste accumulated in the open air, smaller crushed stones can enter the nearby soil layer, which can change the material composition of the soil, damage the structure of the soil, and reduce the productivity of the land. During the accumulation of construction waste, under the effects of temperature, moisture, etc., certain organic substances are segregated and differentiated, and harmful gases are seized. In addition, the bacteria and dust in the waste are scattered with the wind, forming pollution to the air; a few combustible construction wastes will have toxic carcinogens during the combustion process, forming secondary pollution to the air.

3 Reset the misplaced local resources to harmlessly treat waste into treasure. To strengthen the management of urban construction waste, promote the use of construction waste for industrialization and industrialization, use the construction waste to produce recycled series of aggregates and building materials, and then use aggregates and Various materials such as construction bricks are made of concrete. Originally messy construction waste was screened and broken by professional machinery, and then entered the processing workshop. After high-pressure pressing and natural drying, it was made into neat and hard bricks. 透水砖 ,不只完成了从原资料到出产进程的资源再生和节能环保,并且产品也得到了晋级,市场前景巨大。 The use of construction waste to produce recycled permeable bricks has not only completed the resource regeneration and energy conservation and environmental protection from the original materials to the production process, but also the products have been upgraded, and the market prospect is huge. It is estimated that upon completion of the project, an average economic benefit of 150 million yuan can be completed. In addition to economic benefits, the social benefits of building waste reuse are also huge. According to statistics, every 10 million tons of construction waste can be used for recycling, which can save more than 1,000 acres of land, reduce soil extraction or replace 1 million cubic meters of natural sand and gravel, and save 500,000 tons of standard coal. Most importantly, it can reduce pollution, improve the urban and rural environment, and reduce the index of particulate matter and fine particulate matter. Recycling of construction waste can not only be used to turn waste into treasure, but also the environmental protection effect cannot be replaced.

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