Dongfeng Doolika high pressure cleaning car high pressure water jet cleaning technology
1. Water supply equipment
It is composed of water treatment equipment, water supply tank and feed pump 24. Water treatment equipment is used to remove impurities in water, such as oxygen, calcium and magnesium ions, to avoid scaling and corrosion on the inner wall of steam boiler, and to ensure the quality of boiler water supply. The treated boiler feed water is lifted by the feed water pump and then sent to the upper drum through the economizer.
2. Ventilation
The ventilation equipment includes air supply fan, induced draft fan and chimney. Its function is to provide air for mule fuel combustion and lead out combustion product flue gas from the boiler, so as to ensure the normal combustion, and make the flue gas wash the heating surface at the necessary flow rate of 7a68696466fe78988e69d8331333433626465 to strengthen heat transfer. Finally, the stack with a certain height will exhaust the smoke to the atmosphere to reduce the smoke pollution and improve environmental health.
3. Fuel supply, slag removal and dust removal equipment
This is for conveying fuel to boiler, removing ash and purifying flue gas. Belt conveyor, ash conveyor, ash truck and dust remover, etc. For boilers that need to be pre processed with fuel, fuel preparation such as screening, crushing and coal grinding shall also be included. In addition, the dust remover or flue gas desulfurization and denitrification device installed in the flue at the tail of the boiler is an indispensable auxiliary equipment to reduce the smoke pollution and protect the environment.
4. Check instruments and automatic control equipment
In addition to water level gauge, pressure gauge, safety valve and other instruments installed on the boiler body, in order to supervise, regulate and control the safe and economic normal operation of the boiler equipment, a series of instruments, automatic boiler feed water regulating device, automatic fuel combustion control device, etc. are often installed. Some boiler rooms are also equipped with industrial television and remote control device and even more modern automatic control system, more Scientific supervision. Control boiler operation.
Boiler auxiliary equipment, not every boiler is equipped completely, but with the boiler capacity, type, fuel characteristics and combustion mode as well as water quality characteristics and many other factors to adapt to local conditions, adapt to the times, more practical requirements and objective conditions.
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The high-pressure water jet of the Dongfeng Dolika high-pressure cleaning truck is a high-pressure cleaning device that passes the high-pressure cleaning vehicle to press normal water to hundreds or even thousands of atmospheric pressures, and then through a special nozzle at a very high speed (200-500 meters). / Second) A very high energy stream is ejected. This small stream of water has enormous energy like bullets. It can remove salts, alkalis, scales and various blockages on the inner wall of pipes, and can also cut steel plates, remove sand from castings, and remove metal from rust. The use of this highly energy-rich water stream for cleaning is a high-pressure water jet cleaning. Thanks to the superiority of this process, more and more users have already received the pro-gaze. What are the advantages of high-pressure cleaning of Dongfeng Doolica high-pressure cleaning vehicle?
1. The water jet cleaning of Dongfeng Dolika high-pressure cleaning vehicle does not produce as much dust as blasting shot blasting and simple mechanical cleaning, polluting the atmosphere and damaging human health. Unlike chemical cleaning, there are a lot of acid and alkali wastes that pollute the river, soil and water quality. Water jet is based on tap water as the medium, odorless, odorless, non-toxic, completely environmental protection without pollution.
Second, the purely physical method does not have any corrosive effect on the pipeline. III. Wherever the water jet can reach directly, no matter whether it is the pipeline and the inner cavity of the container, or the surface of the equipment, whether it is a hard fouling material or a solid plugging material, It can be quickly separated from the mother and thoroughly cleaned. This kind of cleaning method of Dongfeng Duolika high-pressure cleaning vehicle has no special requirements for the material, characteristics, shape and scale type of the equipment. As long as it is direct enough, it is widely used. First of all, the Dongfeng Doolika high pressure cleaning truck saves water and energy, high pressure cleaning water consumption is only 3-5 cubic meters / hour, the power used is only 37-90 kilowatts; second; without any filler and detergent Third, the medium used by high-pressure water jets of high-pressure cleaning vehicles is tap water;
5. When the Dongfeng Doolika high-pressure cleaning vehicle cleans the inner hole of the pipeline and the heat exchanger, it can remove all the foulants and plugs in the pipe, and the metal body can be seen. High-pressure water jets with huge energy and moving at supersonic speed can easily destroy the hard foulants and plugs in the pipeline. At the same time, the pressure of the high-pressure water is less than the compressive strength of the pipeline, and it has no damage to the pipeline. It is truly High quality dredge cleaning. The traditional bamboo dredge and dredge dredging can only solve the temporary flow of the pipeline, and can not fundamentally solve the problem of six, due to the Dongfeng Doolika high-pressure cleaning vehicle water jet (also known as water bomb) erosion, demerits, shears Cutting, grinding and other composite crushing action can immediately break the scale off. It is several times to dozens of times faster than conventional chemical methods, sand blasting methods, simple mechanical and manual methods, and is very efficient. 
Boiler auxiliary equipment mainly includes water supply equipment, ventilation equipment, fuel supply, slag removal and dust removal equipment, steam and water pipes and accessories, detection instruments and automatic control equipment.