Eighteen Parts and Arrangement of Air Slide Conveyor

The structure and layout of the air slide conveyor

The air slide conveyor is formed by connecting several ordinary thin steel plate troughs and other accessories with bolts. There is a breathable layer between the upper and lower tanks, and the air slide conveyor is installed at a certain oblique angle from high to low from the feed end to the discharge end. The top of the air slide fabric is the material chamber, and the bottom is the air chamber. When the gas with a certain pressure is blown into the air chamber, the material is fluidized through the air slide fabric, so the material flows in the tank like a fluid under the action of gravity. machine as a wind source. The excess air in the material chamber is sucked away by the dust collector through the exhaust port of the air slide conveyor.

The main component of the air slide conveyor is the air slide fabric. The flexible thick (6mm) plate-type synthetic fiber fabric is a new type of air slide fabric. It has high temperature resistance (up to 150°C), corrosion resistance, wear resistance, and hygroscopicity. Low weight, light weight, smooth surface, long service life and other advantages, the breathable layer can not be installed on site, each tank body is assembled by the manufacturer, and can be connected on site, which not only reduces the installation workload, but also ensures the quality.

Head section

The head section is used for the feeding place of the air slide conveyor, and there are two types: type I and type II, type I is used for head feeding, and type II is used for middle feeding.

Intermediate slot

The component is a chute and the main components include standard grooves and non-standard grooves. The standard grooves include Type I, Type II, and Type III grooves. Type I grooves are the basic type and use more. At the lower part of the lower tank, there are cleaning plates and blind plates, which are used to remove a small amount of powder accumulated in the lower tank during the long-term operation of the chute. Type II tank is generally connected to the feed end of Type III tank. Compared with Type I, Type III trough adds an air inlet for the introduction of air source. In general design, a Type III trough is arranged every 15m along the length of the chute. The structure type of the non-standard tank is the same as that of the Type II tank, and the length is determined according to the actual requirements, generally selected in multiples of 250mm, and arranged at the discharge end.

Bend groove

It is used to turn the conveying line. The angle between the center line of the inlet and the center line of the outlet is β=90°~270°, and it can be selected arbitrarily within this range.

Tee slot

This part can realize the purpose of conveying in two directions. The tank body is mainly composed of a material inlet, two outlets and an air inlet. When selecting, the angle between the three material ports can be determined according to the work requirements, but it should not exceed the table. In the range shown in , the three-way groove is generally used together with the shut-off valve. When discharging in one direction, the other outlet should use the shut-off valve to cut off the material flow. 5) Shut-off valve It is used at the discharge port of the three-way valve to cut off the material flow. There are two types of valves: electric and manual.

Side discharge section

A device used to realize intermediate feeding or unloading.

Discharge slide

The outlet of the chute and the discharge chute are designed with an exhaust port. When in use, the exhaust port should be connected with the dust collection system.

Groove frame

It is used to support the chute. Generally, a trough frame is set every 3~4 meters. When arranging, it should not be too close to the flanges at both ends of the trough body. When the chute is equipped with curved grooves and tee grooves, the trough frame should be close to these parts. When selecting, the trough frame should be drawn on the general drawing of the chute.

Rain cover

To prevent rainwater from penetrating into the tank, when the chute is arranged in the open air, a rainproof cover should be selected and installed at the joint of the tank.

Air control valve

To control the air intake of the chute and ensure the normal conveying of materials, it should generally be connected with the air inlet of the chute, and a manual butterfly valve should be used.

Air supply pipe

Arrange according to the position of the air inlet of the chute and the position of the fan, and design the diameter of the pipe according to the designed air volume, which is usually made on site.

Air supply device

Supply air to the air slide conveyor to fluidize the material.

Feeding slide

The main function is to make the material have a certain initial velocity in the conveying direction to ensure the conveying capacity and reduce the wear of the air slide fabric at the lower part of the material inlet.

Windshield

Its function is to prevent the air from directly blowing the air slide fabric. When the air inlet of the chute is perpendicular to the air slide fabric, a windshield should be selected to prevent the airflow from blowing the air slide fabric. The position of the air inlet should be in the general drawing of the chute It is provided so that the manufacturer can weld the windshield to the given position of the lower tank body.

Exhaust hood

The exhaust port of the chute, each chute must consider the exhaust problem, otherwise it will not be able to transport normally. The pressure of the upper trough should always be kept at ±0. If the residual pressure is large, the pressure difference between the upper and lower troughs will become smaller, thereby reducing the air volume passing through the air slide fabric, making it difficult to ensure the specified delivery capacity. If the chute is too long, a For the exhaust point, an exhaust hood should be installed at the site opening and should be connected to the dust collection system. The exhaust point should be far away from the material inlet and the air inlet at the lower tank.

Air chamber separator

The air chamber dividing plate separates the air in the lower tank body of the chute. When the chute has multiple feeding points, an inlet and a regulating valve should be installed at the lower tank body corresponding to each air inlet, and an air chamber partition should be used between the two air inlets to separate the air passage of the lower tank body , otherwise normal delivery cannot be guaranteed.

Anti-wear plate

The anti-wear plate prevents dust from wearing the breathable layer. When transporting less corrosive materials, the material inlet will wear more, so wear-resistant plates should be laid here. When transporting highly corrosive materials, anti-wear plates should be laid along the entire length of the air slide fabric. After the anti-wear plate is laid on the entire length of the chute, the resistance of the pipe network will increase, and the wind pressure required for the chute will increase accordingly.

End cover plate

The end cover plate is used for sealing the high end of the chute.

The model and performance parameters of the air slide conveyor

Air slide conveyor model in China: Model XZ200 XZ250 XZ315 XZ400 XZ500 XZ630 XZ800

Calculation of the conveying capacity of the air slide conveyor

• Q=3600KFωρ
• Q—conveying capacity, T/h;
• K—material flow resistance coefficient, K≈0.9;
• F—the cross-sectional area of the material in the tank, m2;
• F=Bh/1000 (among them: B is the groove width mm; h is the average thickness of the air slide fabric in the groove m)