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Henan Coal Science Research Institute Keming Mechanical And Electrical Equipment Co., Ltd. News

What preparation should we do before start the shotcrete machine operation ?

Preparation before starting: A. Check whether the contactors of the electric control system are fastened and whether electrical leakage occurs. B. Check the oil gauge, and ensure the lubricant is sufficient in the reducer. C. Check whether the connection and joints of various parts are reliable. D. ...

June 25, 2025
Shotcrete Machine maintenance

Shotcrete Machine is widely applied to harsh construction sites. However, routine maintenance is needed like other rotor type spraying machine. 1. The sealing plate and the steel liner plate are key parts of this machine. Please pay much attention to the maintenance for fear of failure in operation. ...

June 25, 2025
how to solve too much springback ?

Too much springback: The reason: 1.Improper aggregate grading curve 2.Spray distance is too short from the nozzle to working surface 3.Spray distance is too long from the nozzle to working surface 4.Spray direction is not vertical (90°) to working surface How to solve: 1.Check the material grade and ...

June 25, 2025
what should we do when the shotcrete machine spraying capacity becomes poor ?

Machine spraying capacity becomes poor: The reason: 1.Rotor chambers and outlet elbow become smaller due to blockage 2.Wrong installation of air valve (excessive depressurization) 3.Charging hopper is not fully filled. How to solve: 1.Refer to treatment of blockage above. 2.Reduce the loss of ...

June 25, 2025
the solving of shotcrete machine or conveying pipes blocked

Blockage in rotor, outlet elbow, or conveying pipe: The reason: Aggregate size is too large: How to solve: If the conveying pipe is blocked, stop the machine first. Next, turn off air valves and remove the elbow from the hose. Open the air valves and blow out the remaining mixture inside the rotor. ...

June 25, 2025
how to solve the problem of shotcrete machine air motor not run

Air motor of shotcrete machine does not run: The reason: 1. Inadequate supply of compressed air 2. Over load 3. Inadequate lubrication, causing overheating expansion 4. Internal parts get worn or ruptured How to solve: 1. Confirm the supplied air of compressed air 2. Confirm its load 3. Confirm the ...

June 25, 2025
KPZ shotcrete machine principle

Mixed concrete is fed from the agitator discharging outlet (or manual mixing and feeding) through the vibrating screen to the machine’s charging hopper. Then, concrete mix is moved by a poker to rotor through chamber, and transferred to discharging outlet along with the movement of rotor, where ...

June 25, 2025
Contents and quality inspection methods of high-pressure jet grouting pile inspection

Contents and quality inspection methods of high-pressure jet grouting pile inspection 1. The types, specifications and quality of cement and admixtures used for high-pressure jet grouting should meet the design requirements. Inspection quantity: Cement and admixtures of the same origin, type, ...

June 16, 2025
Working steps of jet grouting piles

Working steps of jet grouting piles Jet grouting piles are a common foundation treatment method. The following are the working steps of jet grouting piles: 1. Due to the cutting and replacement of high-pressure air and high-pressure water, a large amount of cement soil slurry will be produced in ...

June 16, 2025
Difference between jet grouting pile and mixing pile??

Difference between jet grouting pile and mixing pile?? Jet grouting pile and mixing pile are different in principle, machinery, process, applicable soil layer and use.Difference between jet grouting pile and mixing pile in principle: jet grouting pile uses a drilling rig to drill a grouting pipe ...

June 16, 2025
gypsum plastering machine trend

Plastering gypsum is a new type of building material that meets national building material standards, has excellent performance, is environmentally friendly and energy-saving. It is widely used in building walls and interior walls and ceilings of various materials for plastering, painting, and low ...

May 20, 2025
gypsum spraying machine features

Compared with the traditional cement mortar process, the gypsum spraying system has incomparable superior performance: First, one-time molding. It reduces the tedious and lengthy intermediate processes of traditional cement mortar such as multiple painting, plastering, and grinding. From civil ...

May 20, 2025
CPF-60LY Shotcrete robot

The concrete auxiliary spraying vehicle (spraying robot) is an intelligent construction equipment developed for small and medium-sized tunnel projects. The device can accurately control the multi-dimensional coordinated action of the mechanical arm and the spraying device through the remote control ...

May 15, 2025
Gather strength and empower to explore the future together —— Taiyuan Coal Exhibition

Gather strength and empower to explore the future together | Henan Coal Science Research Institute Keming Mechanical and Electrical Equipment Co. , Ltd. appeared at Taiyuan Coal Exhibition On the morning of April 22, the 23rd Taiyuan Coal (Energy) Industry Technology and Equipment Exhibition with ...

May 13, 2025
$Latest company news about Types of refractory spraying equipment$

Types of refractory spraying equipment

Types of refractory spraying equipment: Spray gun: This is the basic model of refractory coating sprayer, which has the characteristics of simple and easy operation, wide application range, and uniform coating. Compressed air sprayer: This sprayer requires compressed air, which can achieve efficient ...

May 10, 2025
Hose Pump Cost

Different configuration the hose pump cost are different: First, for peristaltic pumps of the same function and type, flow rate is usually used as a pricing standard. Because if a larger flow rate is to be achieved, the speed of the motor must be increased, so the power of the motor will become ...

May 10, 2025

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