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

Double-cylinder Double-liquid Grouting Pump

The double-cylinder double-liquid grouting pump (hereinafter referred to as the double-liquid pump) is mainly used for tunnel excavation and maintenance, road, bridge, mine construction and high-rise building foundation treatment projects and various grouting construction projects. Its function is ...

September 22, 2026
KGP400-700-80 grouting pump group

The working temperature of KGP400-700-80 grouting pump group is 0-40℃, but the average temperature within 24 hours does not exceed 35℃, and the minimum ambient temperature during non-working period is not lower than -40℃. KGP400-700-80 grouting pump group (hereinafter referred to as the pump group) ...

September 22, 2026
Shotcrete Machine Thickness Control

There is no fixed standard for the "shotcrete speed" of a shotcrete machine. Thickness control mainly relies on the comprehensive adjustment of shotcrete process parameters (air pressure, water pressure, nozzle movement method, layer thickness, etc.) Key Control Parameters:Single Shotcrete Thickness...

September 20, 2026
Long Distance Concrete Conveying Shotcrete Machines

There are many many kinds shotcrete machines in the market, generally the spraying distance won't very long. Compared to dry spraying, wet spraying technology can reduce the rebound rate to below 10%, resulting in more stable concrete quality. In tests of underground long-distance shotcrete machines...

September 20, 2026
$Latest company news about General Requirements for Refractory Spraying Application$

General Requirements for Refractory Spraying Application

General Requirements for Refractory Spraying Application Refractory spraying, also known as refractory patching material, is a type of monolithic refractory material used for lining furnaces, pipes, blast furnaces, and hot blast stoves. Refractory spraying materials are composed of a specific ...

September 20, 2026
Hose Pump Features

Hose Pump Features: (1) It is a positive displacement pump, characterized by the absence of mechanical seals, strong self-priming capability, and self-cleaning. (2) It has no pump valves or stuffing boxes, eliminating the leakage and air resistance issues common in sealed pumps. (3) It has a simple ...

December 6, 2025
screw type grouting station

KGP250/700/50 grouting station are mainly used to prepare and grout cement slurry medium. It is used for tunnel excavation and maintenance, mine engineering, foundation treatment engineering of dams, large bridges and high-rise buildings, and various underground engineering grouting with pressure. ...

November 18, 2025
Screw-type Wet Shotcrete Machine Introduction

The screw-type wet shotcrete machine is a new type of concrete wet spraying equipment that uses a stator-rotor assembly to deliver concrete to the nozzle, thereby achieving wet spraying of concrete. It effectively reduces dust during operation and improves spraying quality. It is suitable for ...

October 29, 2025
PS6I-J dedusting shotcrete machine introduction

The PS6I-J dedusting shotcrete machine main unit consists of three parts: 1. Shotcrete Main Unit: Composed of a drive unit, rotor assembly, air system, and spraying system. 2. Dust Removal System: Mainly composed of a protective cover, a baffle device (inside the cover, not shown), an upper overflow ...

October 29, 2025
KPZ series shotcrete machine working principle

KPZ series shotcrete machine working principle The 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 ...

October 29, 2025
Drum Mixer Mixing Structure

The mixing drum (Figure 2) is the working component of the mixer. It has a double cone shape and is welded with two pairs of high and low blades, arranged crosswise and at a fixed angle to the drum axis. As the drum rotates, the blades not only lift and lower the material, but also cause it to move ...

October 29, 2025
The Reason of Grout Pump Insufficient Pressure

Insufficient grouting pump pressure may be caused by the following reasons: 1 .Insufficient injection material: This may cause the grouting machine to fail to generate sufficient pressure. Check the inlet for sufficient material and increase the injection material promptly. 2. Worn or damaged ...

September 30, 2025
Precautions for Wet Shotcrete Sprayers

Precautions for Wet Shotcrete Sprayers 1.During the wet shotcrete spraying operation, be careful to prevent long, large metal objects such as bolts and nuts from entering the material chamber, as this could damage the machine. 2.The rotational direction of each drive motor was uniformly adjusted ...

September 27, 2025
How to Judge The Quality of Shotcrete Machine

The quality of a shotcrete machine can be judged by the following factors: Shotcrete quality standards: The quality of shotcrete directly affects the quality of the project, so strict adherence to these standards is essential. For example, the accelerator must be a nationally certified product and ...

September 25, 2025
Stirring Speed of a High-Speed Pulper

The stirring speed of a high-speed pulper should be no less than 1500 rpm. The stirring speed of a high-speed pulper is a crucial factor in ensuring the quality of the slurry. The stirring speed of a high-speed pulper is typically no less than 1500 rpm. This high-speed stirring ensures that the dry ...

September 24, 2025
Two Essential Equipment for Slope Support Shotcreting

Slope protection, foundation pit protection, and tunnel shotcreting require a shotcrete machine and air compressor. Shotcrete machines generally come in dry, damp, and wet sizes. These machines typically require air compressors with a capacity of 13-24 cubic meters. Dry-type wet shotcretes are easy ...

September 17, 2025

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