What is a sewage truck ? What is a suction truck? What is the difference between a sewage suction truck and a suction truck? Often encounter customers who want to buy a car to ask these questions, many customers do not understand the difference between sewage suction trucks and suction trucks, the following details of the difference between sewage suction trucks and suction trucks and their function, configuration and The advantages and disadvantages allow our customers to distinguish the models they need.
The sewage suction truck is an upgraded product of the suction truck and has all the functions of a suction truck, but it is more efficient, easier to operate and clean than a suction truck, and has a wider application range. Sewage suction trucks can collect and transfer cleanup sludge and sewage to avoid secondary pollution. It is a new type of sanitation vehicle. It is mainly used in the sewers, rainwater wells, inspection wells, septic tanks, and sludge, excrement, stones in various urban streets, or the pumping and unloading of sludge from petrochemical plant effluent pools.
1, the working principle.
The suction truck is simple in structure, adopts an oval tank, seals the rear head, and applies pressure drainage generated by a vacuum pump. It is mainly used in septic tanks, sewers and sewers to clean and clean special vehicles and sprinklers. Cars, garbage trucks, and called the three major sanitation models.
Sewage suction truck adopts the domestic leading vacuum pump for suction pump, which has large suction and long suction range. It is particularly suitable for the suction, shipment and discharge of sludge in the sewer, especially for the suction of sewer mud, silt, stones and bricks. Blocks and other large objects are mainly used for urban and rural sanitation departments to pump and transport manure and other sewage. The suction truck is suitable for manure extraction, sewage, sludge slurry and liquid mixed with relatively small suspended debris. It is suitable for municipal sanitation, medium and small-sized industrial and mining enterprises, communities and schools.
2, suction method.
It should be said that both the sewage suction truck and the suction truck are vacuum suction principles. They are similar and even identical in principle and structure. Today's suction trucks are vacuum suction pumps. This part is almost the same. Except that the suction truck is an elliptical tank, the tank tail cannot be opened and cannot be lifted; the sewage tanker can add a hemispherical head to the cylindrical tank, the tank tail can be opened hydraulically, and the tank can be hydraulically lifted. This is the most significant difference.
Suction trucks are straight forward. The inlet pipe generally does not have any control, and the manure valve generally adopts a butterfly valve or a gate valve with a large opening. When the excreta is excreted under pressure, the manure valve is normally closed and discharged from the suction port. Tank top with cans, lids. Long-term pressurization and defecation may cause different deformations of the tank body and the lid, resulting in reduced sealing performance and reduced suction capacity.
3, sewage structure.
The suction truck adopts the pressure difference of the vacuum pump to discharge the pollutants, which is restricted by the location of the sewage outlet. The larger stones cannot be discharged and cannot be used for the dredging work of larger blocks. The sewage suction truck adopts a hydraulic top-lifting self-dumping sewage discharge structure, and the sewage discharge efficiency and the sewage discharge effect are better.
4, use habits.
Due to the influence of domestic usage habits, users in the north use more sewage suction vehicles, and users in the south use more suction trucks.
The respective advantages and disadvantages of sewage suction trucks and suction trucks are just the key to the decision of customers to choose their own models: Due to the influence of tank structure and shape, the vacuum and suction of the suction truck are not as large as that of sewage suction trucks; The pressure difference of the vacuum pump discharges pollutants and is limited by the location of the sewage outlet. Larger stones cannot be discharged and cannot be used for dredging work for larger blocks. The sewage suction truck adopts a hydraulic top-lifting self-dumping sewage discharge structure, which has better discharge efficiency and discharge efficiency. The use habits of the country have led to the use of more sewage suction vehicles by northern users and more suction trucks by users in the south.
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