159彩票

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亿煤机械装备制造有限公司

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Technical parameters of construction shotcrete machine

广泛使用的一种施工设备! A kind of construction equipment widely used in engineering construction !

Widely used in the construction of a kind of construction equipment!

Construction shotcrete is a kind of construction equipment widely used in engineering construction. It uses compressed air or other power to convey a mix of a certain proportion through a pipeline and spray it at a high speed onto the sprayed surface to condense and harden, thereby forming a concrete support layer. The technology of sprayed concrete is simple, the construction cost is low, the adaptability is wide, and it plays an important role in various construction fields.

Production capacity 5.5m3 / h
Maximum transmission distance 200m
Applicable material ratio Cement / sandstone = 1: 3-5
Water-cement ratio of applicable materials ≤0.4-0.45
Maximum orthopedic particle size Φ20mm
Inside diameter of conveying pipe 50mm
Working pressure 0.2-0.4Mpa
Wind consumption 7-8m3 / min
Feeding height 1.1M
Rotor speed 11r / min
power 5.5kw
Voltage level 380v or 660v
Machine gauge 600mm
Dimensions (length x width x height) 1520 × 820 × 1280mm

Structural characteristics of construction shotcrete machine

The construction spraying machine is mainly composed of an upper seat, a middle seat and a lower seat. The upper seat includes a coagulant funnel, an accelerator setting fin, an upper cover plate, a screen and a sieve dial. Including batching plate, quantitative plate, dial plate, quantitative device, vertical shaft, clutch, discharge elbow, combination plate, arc plate and air inlet plate; the lower seat body includes a rotating body and a rotating liner.

Coagulant funnel

Vertical axis

Clutch plate

Outlet elbow rotary liner

Cover screen sieve dial wing

Quantitative screen mesh batching plate quantitative plate

Curved plate rotating body

Intake board

因产品生产批次、具体型号不同,图片仅供参考 Pictures are for reference only due to different production batches and specific models.
For details, please contact our sales staff for specific verification

Introduction and working principle of construction shotcrete machine

喷浆机 Construction Shotcrete Machine

A kind of construction equipment widely used in engineering construction

Widely used in the construction of a kind of
construction equipment

是利用压缩空气或其它动力,将按一定比例配合的拌和料通过管道输送并高速喷射到受喷面上凝结硬化,从而形成混凝土支护层。 The shotcrete for construction uses compressed air or other power to convey the mixing material in a certain proportion through the pipeline and spray it at a high speed on the sprayed surface to condense and harden to form a concrete support layer. The technology of sprayed concrete is simple, the construction cost is low, the adaptability is wide, and it plays an important role in various construction fields.

Used in shotcrete machine is the use of compressed air or other power, will be according to certain proportion coordination of mixing material through pipes and high-speed jet to the spray surface condensation sclerosis, forming a concrete supporting layer. Sprayed concrete technology is simple, low cost of construction, adaptation of wide, in a variety of play an important role in building field.

Five significant advantages

Used in shotcrete machine characteristics and advantages

Billion Coal GroupQuality Assurance

特点剖析! Analysis of the characteristics of construction shotcrete machine !

Used in shotcrete machine characteristics analysis

Analysis and troubleshooting of construction shotcrete machine

Fault state Possible Causes Method of exclusion
Motor does not run Defective switch fuse, contact, isolating switch or button Have an electrician check and handle
The motor does not rotate the rotor Gear damage Check one by one
Rotor square shaft hole is damaged Replace the rotor
The rotor does not turn in the direction shown by the arrow The power phase is wrong Phase adjustment by reversing switch
Air leakage between seal plate and rotor The clamping device is too loose Check the clamping device to remove material between the seal and the rotor before clamping
Rotary Lining Scratches Inspect the rotor liner, if there are grooves, re-grind or replace with new ones if necessary
Defective plastic cavity equipment Reassemble, pay attention to the convex edges of the two ends of the cavity into the rotor groove
Rotor, discharge elbow or
Blocked pipe
Aggregate particle size is too large The feed pipe is blocked, the machine should be stopped, and the gas valve should be closed. Remove the conveying pipe from the elbow, open the gas path valve, blow out the rotor's stock, and then check the conveying pipe, knock the clogged part with a wooden stick, loosen or hollow out the obstruction [Note: Before opening Reduce the pressure in the delivery pipe to 0 before discharging the elbow or pipe. 】 After the electricity, put the feeding pipe on the elbow and blow it out with compressed air. If the conveying distance exceeds 40m, each 20m pipeline should be treated separately.
Excessive moisture content in dry mix Stop the machine from rotating and close the sealing valve. If the discharge elbow is blocked, the pipeline should be disassembled, the elbow and the rotor cavity should be cleaned to reduce the water-cement ratio of the mixture.
Reduced machine production capacity Conveying air pressure is too low Stop the motor and the air supply pipeline. If the rotor is blocked, move the reversing frame, open the rotor, clean the rotor cavity, etc. to increase the air pressure.
The cross section of the air inlet pipe is too small, and the air volume of the compressed air supply machine is small. Replace large-section air duct and large-capacity compressor
Due to material blocking, the opening of the rotor cavity or discharge elbow is reduced See Blockage
Gas path valve is installed incorrectly [too high pressure drop] Reduce pressure loss and increase useful pressure. Reassemble the sealing valve.
Hopper is not full The hopper should always be full and the vibration capacity should be enhanced
Severe duct vibration Start clogging Adjust air pressure with valve
Conveying pressure is too low Check air supply
Air pressure is too high Dispose of blocked pipes if necessary
Inadequate mixing of the stream with water Water pressure is too low Check the water pressure [at least 0.3Mpa at the nozzle]
Water inlet of nozzle water ring is blocked Check the spray head and clean up, if necessary, water filter.
Too much dust at the nozzle Add too little water Increase nozzle water
Nozzle dripping Add too much water Reduce nozzle water
Springback is greater than [spray wall greater than 15%] spray top is greater than [20% ~ 30%] Inadequate screening curve Check material grading and adjust if necessary
The spraying distance from the nozzle to the receiving surface is too close Increase the spray distance to about 0.8m ~ 1m
The spray distance from the nozzle to the sprayed surface is too far Reduce spray distance to about 0.8m ~ 1m
The jet direction is not perpendicular to the sprayed surface [90 degrees] Correct the spray angle

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