Greening and spraying vehicles belong to special vehicles. Such vehicles have been widely used in urban sanitation such as road cleaning and landscaping. However, with the innovation of special vehicle technology, high-tech and intelligent applications have gradually replaced traditional mechanical operation methods, greatly reducing the difficulty of environmental protection work, and shortening the working hours of sanitation work. In particular, the greening sprayer manufactured in accordance with the National IV standard recently has its own operating model that differs from the special vehicles used in the National 2 and National 3 standards. It is hoped that the urban sanitation managers can understand the operating skills of some vehicles. Avoid operational obstacles in the future of sanitation management and affect the work process. First of all, greening and spraying vehicles have very strict requirements on water sources. When the urban sanitation staff drives the sprinkler to cause a shortage of body water during the work process, and it is necessary to use nearby river and pond water to supplement the spray, it is necessary to add a filter at the top of the suction pipe of the vehicle so that the suction pipe can be fully injected. When it is in the pool, it can avoid the sand, stones and stains absorbed by the water pipes to the bottom of the water. Secondly, when the greening sprayer is absorbing water, it must ensure that there is a certain vacuum range in the suction pipe, and the suction pipe wall can not be damaged, so that the suction device can be placed in the water absorption place to absorb water. Because once the suction pipe breaks and the sealing is not good, it will cause the suction pipe to leak, affecting the water absorption effect. Once again, the greening sprayer also has many precautions during the watering process. In the sprinkler system, the sprinklers on the front and rear and left and right sides of the general greening sprayer are equipped with different sprinklers. During sprinkler operations, the sprinkler workers can flexibly adjust the spray density and height according to the actual watering requirements. Finally, in addition to managing proper spray techniques, green spray trucks must be regularly cleaned and sprayed. The general type of sprayer tank will be equipped with a sewage pipe, the sewage pipe inlet is mostly the lowest point of the tank. After working for a period of time, the bottom of the tank will inevitably deposit some stains and sediment. Therefore, the staff of the sprinkler must regularly open the switch of the sewage pipe of the vehicle to discharge the accumulated stains in the water tank, so as not to ignore the clogging phenomenon of the water injection pipe caused by cleaning for a long time.
Fe-Gr-Al fiber sintered felt filter media
Describe:
The Filter Material of iron-chromium-aluminum dust filter tube is made from iron chromium aluminum fiber through opening and loosening machine, then made into cotton by special technology, and then sintered by vacuum sintering furnace. Because of its deep labyrinth structure, the filtration effect is much better..
Fe-Cr-Al fiber sintered felt is a kind of metal fiber sintered felt with long service life, environmental protection and energy saving, high temperature resistance, resistance to deformation, no carbon deposition, foldable, good toughness and uniform pore size distribution. It is widely used in automobile tail gas treatment, burner, boiler retrofit, gas conditioning, glass annealing, food baking, oven, heater, paper painting, drying and so on.
Characteristics:
1. High temperature resistance 1200 degrees.
2. Strong cold and thermal shock ability.
3. No water absorption.
4. Thermal inert extremely small.
5. Combustion complete radiation .
6. Long service life.
Applications:
Fe-Cr-Al fiber sintered felt is widely used as filter material in chemical and European standard diesel vehicle exhaust emission equipment. Fe-cr-ai alloy porous body position three-dimensional junction network structure. The pore size is 0.1 mm and the porosity is up to85%, it is the best choice for monolithic catalyst support material.
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