Sewage truck main parts table and use description

No.

name

Quantity

Use description

1

Self-unloading cylinder

4

The main parts consist of cylinders and cylinder heads, pistons and piston rods, sealing devices, cushioning devices, and exhausting devices. They mainly act as hydraulic lifts and lift the sewage tank body as a whole.

2

Vacuum pump

1

According to the different volume of tank body, it can be equipped with single pump or double pump. It adopts low-speed pump with centrifugal casting of silicon steel, 500-600 rotations per minute , and the blade thickness is up to 30mm . It is a high-efficiency sewage pump, which is more than ordinary suction pump. The efficiency and service life of the pump are several times higher, with high vacuum, long service life, and stable quality.

3

Check valve

1

Its role is to prevent gas backflow when the vacuum pump stops working after the engine is shut off, and sucks the oil in the vacuum pump into the tank to cause waste.

4

Vacuum gauge

1

The air flow meter is a device that measures the amount of air drawn by the engine of the suction blower and adopts a transparent design to help the user understand the working condition of the vacuum pump.

5

Water and gas separator

1

A dehumidification device that uses mechanical or kinetic energy to separate free moisture from the air stream.

6

Large four-way valve

1

It is a control valve with four ports. The four-way valve is an indispensable component in the refrigeration equipment. Its working principle is that when the coil of the solenoid valve is in the power-off state, the pilot slide valve is moved left by the right compression spring, and the high-pressure gas enters the capillary 1 and enters the right-side piston cavity. On the other hand, the discharge of the gas in the left piston chamber, due to the pressure difference between the two ends of the piston, the piston and the main slide valve are moved to the left so that the exhaust pipe and the outdoor unit are connected to each other, and the other two pipes are connected to each other to form a refrigeration cycle.

7

Sewage car seal

1

The main role is to increase the sealing performance of the tank.

8

Oil and gas separator

1

Its role is to separate the mixture of oil and gas discharged from the vacuum pump into oil and gas. The gas is discharged into the atmosphere and the oil is then returned to the vacuum pump to continue its function and reciprocate. At the same time, the piece also acts as a lubricant barrel.

9

Safety valve

1

A27H-10

10

Ball valve

2

Φ100 aluminum alloy ball valve

1

Φ65 aluminum alloy ball valve

11

PTO

1

The function of the power take-off is to drive the engine power through the drive shaft to drive the vacuum pump to rotate at high speed. When the engine starts, when the air pressure reaches 5-6 atmospheres, after the left foot is on the clutch, the single switch is turned on and the single switch of the alarm is turned on, so that the power take-off device drives the vacuum pump to work normally.

12

The electromagnetic valve

1

Solenoid valve DC12V

13

Multi-way valve

1

Multi-way valve 2 with

14

Iron shell pump

1

550 iron shell pump