Articulated Wet Concrete Sprayer

The Articulated Wet Concrete Sprayer is a mechanical device used for the efficient spraying of wet concrete in tunnels, mines, and large underground projects. It can be ordered in bulk or customized.

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Description

Introduction

The Articulated Wet Concrete Sprayer is a mechanical device used for the efficient spraying of wet concrete in tunnels, mines, and large underground projects. It can be ordered in bulk or customized.

Parameter

Category	Parameter	Unit	Value
System Parameters	Spraying capacity	m³/h	20
	Maximum conveying distance (vertical/horizontal)	m	70 / 100
	Maximum spraying height/width	m	8 / 13
	Maximum pumping pressure	MPa	7
	Aggregate size	mm	≤16
	Slump	mm	120–180
	Pumping system power	kW	45
Chassis Parameters	Engine power	kW	81, Cummins
	Emission standard	rpm	EU IIIA
	Max altitude	m	≤4500
	Rated speed	rpm	2200
	Transmission mode		Hydrodynamic transmission
	Steering mode		Articulated steering
	Front/rear frame swing mode		Slewing support
	Maximum steering angle	°	40
	Braking system		Normally closed wet brake
	Turning radius (inside/outside)	m	3.3 / 5.025
	Travel speed Forward I	km/h	23.8
	Travel speed Forward II	km/h	8.5
	Travel speed Backward I	km/h	23.3
	Travel speed Backward II	km/h	8.3
	Climbing ability	°	14
	Maximum traction	kN	60
	Braking distance	m	4
	Minimum ground clearance	mm	260
	Dimensions (L×W×H)	mm	7500×1800×2200
	Total weight	kg	11,500
Spraying System	Working pressure	MPa	20
	Pitch angle	°	-30 to 60
	Telescopic stroke	mm	2×1470
	Swing angle	°	±120
	Arm rotation angle	°	0–270
	Nozzle deflection angle × brushing		8°×360° Nutation
	Accelerator delivery form		Hose pump
	Accelerator pump delivery capacity	L/h	800
	Maximum accelerator pump delivery pressure	bar	12
	Accelerator barrel volume	L	500
	Operation method		Wireless remote control

Features of Articulated Wet Concrete Sprayer

High-Efficiency Spraying
The Articulated Wet Concrete Sprayer utilizes a high-pressure wet spraying system, achieving a spray volume of 20–25 m³/h, approximately 30% higher than traditional dry spraying.

Flexible Articulated Structure
The multi-degree-of-freedom articulated arm design covers narrow passages and high-arched tunnels, with a maximum arm rotation angle of 270°, ensuring flexible operation.

Durable
Nozzles and high-pressure piping are made of wear-resistant alloy materials, and the hydraulic system features overload protection, resulting in a lifespan of over 5 years.

Customization

Category	Parameter	Specification / Description
Spray Arm	Length	Customizable according to construction height and radius
Nozzle	Specifications	Adjustable nozzle diameter and spray angle
Pump	Flow and Pressure	Spraying capacity 10–25 m³/h, pressure 5–8 MPa
Hydraulic System	Features	Temperature-controlled oil tank, overload protection
Power System	Options	Diesel, electric, or dual-power drive
Control System	Operation	Wireless remote control or fully automatic spraying upgrade
Appearance & Branding	Customization	Sprayer color, company logo, and nameplate

FAQ

Q: Are you a factory or a trading company?

A: We are a professional manufacturing factory in China.

Q: What is the minimum order quantity?

A: Usually 1 machine.

Q: How long is the delivery time?

A: Standard models usually take 15–25 days; customized models take 30–40 days.

Q: What payment methods do you accept?

A: We usually accept T/T (telegraphic transfer), L/C (letter of credit), Western Union, and trade assurance.

Q: How does the Articulated Wet Concrete Sprayer work?

A: It uses a hydraulic pump to deliver wet concrete to the nozzle, which is then precisely sprayed by the articulated arm to achieve uniform coverage of tunnels and walls.

Q: What materials can it spray?

A: It can spray wet concrete, mortar, river pebbles, granite, and limestone, adapting to various construction needs.

Q: How do I clean the nozzle?

A: The nozzle can be quickly disassembled; simply clean the pipes with water or low pressure. Maintenance is simple.

Q: Is installation complicated?

A: No. It uses a modular design; on-site installation can be completed in 2-3 hours. The bracket and water pump can be quickly assembled.

Certificate

Mingle Machinery has obtained ISO9001, CE, and BV certifications, as well as multiple national patents and mining product safety certifications, ensuring reliable quality.

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