Coal mine rescue equipment | Mining rescue equipment | Mining machinery equipment
Mine pneumatic grouting pump
The mine pneumatic grouting pump is a highly efficient grouting device specially designed for coal mines and other underground mining environments. Powered by compressed air, this equipment utilizes pneumatic technology to ensure stable delivery of high-viscosity slurries. Thanks to the large-area ratio between the cylinder and the grouting cylinder, it can generate high grouting pressure even under relatively low air pressure conditions, making it an indispensable key piece of equipment for mine support and grouting reinforcement operations.
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Pneumatic grouting pump
Coal Mine Safety Regulations
Article 45: When using the freezing method to excavate vertical shafts, the following provisions shall be observed:
- The shaft wall structure for frozen shafts shall adopt a double-layer or composite shaft wall. After the completion of the freezing section of the shaft, backfill grouting between the walls should be carried out promptly. During grouting, the temperature of the concrete in the inter-wall space shall not be lower than 4°C, and the frozen wall must remain sealed and capable of withstanding external hydrostatic pressure.
Article 51: When a shaft well penetrates aquiferous rock strata or fractured zones with predicted water inflow exceeding 10 m³/h, waterproofing or reinforcement shall be carried out using either surface grouting or in-situ face grouting. Prior to grouting, it is mandatory to prepare both a grouting engineering design and a construction organization plan.
Article 107: For coal mining faces employing the layered caving method with artificial false roofs, the artificial false roof must be laid completely and tightly lapped.
When adopting the layered caving method for mining, it is mandatory to inject grout or water into the mined-out area. The specific requirements for grouting or water injection shall be clearly stipulated in the operational procedures.
The mine pneumatic grouting pump is a grouting device specifically designed for coal mines and other underground mining environments. Powered by compressed air, this equipment utilizes pneumatic technology to ensure stable delivery of high-viscosity slurries. Thanks to the large-area ratio between the cylinder and the grouting cylinder, it can generate high grouting pressure even under relatively low air pressure conditions, making it an indispensable key piece of equipment for mine support and grouting reinforcement operations.
The pneumatic grouting pump can be used in conjunction with a matching mixing drum to achieve continuous mixing and delivery of the grout, thereby enhancing the uniformity and efficiency of the grouting process.
This series of pumps comes in a variety of specifications to meet different grouting requirements, effectively handling a wide range of complex geological conditions and ensuring the stability and uniformity of grouting operations.
Product Use
Primarily used in mine operations, tunnel construction, hydraulic engineering, subway construction, building construction, bridge construction, highway and railway subgrade maintenance, and flood control and emergency rescue—this equipment is employed for grouting to stop water leakage, fill voids, consolidate fractured rock formations through grouting, and provide anchor cable support.
Product Features
- Using compressed air as the power source, it is reliable and can be used in hazardous environments such as those with flammable substances, high explosives, water exposure, and heavy dust.
- Thanks to the use of pneumatic actuation, the pump’s grouting performance is ideally suited for conditions where a high flow rate is required at low grouting pressures, while a low flow rate is needed when the grouting pressure increases.
- It boasts high work efficiency and excellent functionality, supporting both single-component grout injection and two-component grout injection. It can inject not only chemical grouts but also other types of grouts such as cement.
- It boasts advantages such as low energy consumption, minimal vibration, low noise, high efficiency, stable and reliable performance, convenient adjustment of pressure and flow, and a long service life.
- Suitable for use with materials such as Marsem, Rockhux, yellow mud slurry, fly ash, and polymeric colloidal fire-retardant agents.
- Use various mixed fire-extinguishing materials, such as single-liquid A, dual-liquid AB, or triple-liquid ABC, to extinguish fires.
ZBQ Series Mine-Powered Grouting Pump
Main Technical Parameters
Project Unit ZBQ27/1.5 ZBQ30/1 ZBQ30/1.5 ZBQ32/3 ZBQ40/1 Slurry flow rate L/min 27 30 30 32 10 Slurry pressure MPa 1.5 1 1.5 3 1 Working pressure MPa 0.3–0.63 Number of reciprocations Times/minute 148 Gas consumption m³/min 0.5 Pulp Tank Parameters
(Inner diameter × Stroke)
mm 50×100 Operating temperature Celsius 0℃ to 45℃ Use medium / Cement slurry, emulsifier, water, hydraulic oil, etc. Single pump size mm 570×210×1100 Single pump weight Kilogram 16 Mixing tank dimensions
(Optional)
Kilogram 670×510×780 Agitator tank weight Kilogram 40
Main Technical Parameters
Project Slurry flow rate Pulp discharge pressure Gas consumption Gas supply pressure Gas source interface Slurry outlet Single pump size Unit L/min MPa m³/min MPa KJ KJ mm ZBQ10/10 10 10 3 0.2–0.8 25 19 600×500×1100 ZBQ15/9 15 9 8 ZBQ15/12 15 12 8 ZBQ16/4 16 4 8 ZBQ18/7 18 7 8 ZBQ18/10 18 10 8 ZBQ20/7 20 7 8 ZBQ25/2 25 2 3 ZBQ25/5 25 5 3 ZBQ7/16 7 16 3 ZBQ15/6 15 6 5 
2ZBQ Series Mine-Powered Grouting PumpMain Technical Parameters
Project Unit 2ZBQ3/21 2ZBQ10/5 2ZBQ15/2.5 2ZBQ18/6 2ZBQ20/4 2ZBQ30/3 Slurry flow rate L/min 3 10 15 18 20 30 Pulp discharge pressure MPa 21 5 2.5 6 4 3 Gas consumption m³/min 5 3 Mixing ratio - 1:1 Gas supply pressure MPa 0.2 to 0.8 Gas source interface KJ 25 Slurry inlet KJ 25 Slurry outlet KJ 19 External dimensions mm 1100*500*830 Weight kilogram 75
Main Technical ParametersProject Unit 2ZBQ9/12 2ZBQ16/10 2ZBQ30/6 2ZBQ30/12 2ZBQ31/4 Slurry flow rate L/min 9 16 30 30 31 Pulp discharge pressure MPa 12 10 6 12 4 Gas consumption m³/min 5 8 8 10 5 Mixing ratio - 1:1 Gas supply pressure MPa 0.2 to 0.8 Gas source interface KJ 25 Slurry inlet KJ 25 Slurry outlet KJ 19 External dimensions mm 1000*520*600 Weight kilogram 80 Model Slurry flow rate Pulp discharge pressure Gas consumption Gas supply pressure Gas source interface Pulp inlet Slurry outlet Weight External dimensions Mixing ratio Unit L/min MPa m³/min MPa KJ KJ KJ Kilogram mm - 2ZBQ20/5 20 5 3 0.2–0.8 25 25 19 125 1100*550*700 1:1 2ZBQ24/10 24 10 8 0.2–0.8 25 25 19 125 2ZBQ30/4 30 4 3 0.2–0.8 25 25 19 125 2ZBQ50/4 50 4 8 0.2–0.8 25 25 19 125 2ZBQ50/7 50 7 5 0.2–0.8 25 25 19 125 2ZBQ60/2 60 2 5 0.2–0.8 25 25 19 125 2ZBQ60/11 60 11 10 0.2–0.8 25 25 19 125 2ZBQ68/5 68 5 10 0.2–0.8 25 25 19 125 2ZBQ75/2.5 75 2.5 8 0.2–0.8 25 25/32 19/25 135 1100*600*750 2ZBQ78/7 78 7 10 0.2–0.8 32 32 32 135 2ZBQ80/4 80 4 8 0.2–0.8 32 32 25 145 2ZBQ85/2 85 2 8 0.2–0.8 32 32 25 145 2ZBQ85/6 85 6 10 0.2–0.8 32 32 25 145 2ZBQ95/1.5 95 1.5 5 0.2–0.8 32 32 25 145 2ZBQ96/5 96 5 10 0.2–0.8 32 32 25 145 2ZBQ100/6 100 6 10 0.2–0.8 32 32 25 145 2ZBQ180/0.5 180 0.5 5 0.2–0.8 32 38 32 155 2ZBQ210/2 210 2 15 0.2–0.8 32 38 32 155 2ZBQ220/0.5 220 0.5 15 0.2–0.8 32 38 32 155 2ZBQ3/32 3 32 5 0.2–0.8 25 25 19 120 1200*550*900 2ZBQ5/21 5 21 5 0.2–0.8 25 25 19 120 2ZBQ6/18.5 6 18.5 5 0.2–0.8 25 25 19 120 2ZBQ10/16 10 16 5 0.2–0.8 25 25 19 120 2ZBQ13/15 13 15 8 0.2–0.8 25 25 19 155 2ZBQ5/50 5 50 8 0.2–0.8 25 25 19 170 1200*700*900 2ZBQ12/48 12 48 10 0.2–0.8 25 25 19 170 2ZBQ20/30 20 30 10 0.2–0.8 25 25 19 170 2ZBQ22/25 22 25 10 0.2–0.8 25 25 19 170 2ZBQ33/19 33 19 10 0.2–0.8 25 25 19 170 
Main Technical Parameters
Project Unit 2ZBQ40/11 Pulp discharge pressure MPa 11 Slurry flow rate L/min 40 Mixing ratio - 1:1 Gas consumption m³/min 3 Gas supply pressure MPa 0.2 to 0.8 Gas source interface KJ 25 Slurry inlet KJ 25 Slurry outlet KJ 19 External dimensions mm 1000×770×780 Weight kilogram 158 Main Technical Parameters
Project Unit 2ZBQ13/5 2ZBQ35/1 Slurry flow rate L/min 0-13 0-35 Pulp discharge pressure MPa 5 1 Mixing ratio - 1:1 1:1 Gas consumption m³/min 5 3 Gas supply pressure MPa 0.2 to 0.8 0.2 to 0.8 Gas source interface KJ 19 25 Slurry inlet KJ 25 25 Slurry outlet KJ 19 19 External dimensions mm 1200x550x900 1200x550x850 Weight kilogram 120 84 
2ZBQS Series Mine-Powered Grouting Pump
Main Technical Parameters
Model Slurry flow rate Pulp discharge pressure Gas consumption Gas supply pressure Gas source interface Pulp inlet Slurry outlet Weight External dimensions Mixing ratio Unit L/min MPa m³/min MPa KJ KJ KJ Kilogram mm - 2ZBQS11/5 11 5 3 0.2–0.8 25 25 19 84 1200*550*850 1:1 2ZBQ12/6 12 6 5 0.2–0.8 25 25 19 120 2ZBQS12/6 12 6 3 0.2–0.8 25 25 19 84 2ZBQS12/8 12 8 3 0.2–0.8 25 25 19 84 2ZBQS12/10 12 10 3 0.2–0.8 25 25 19 84 2ZBQS12/12 12 12 3 0.2–0.8 25 25 19 84 2ZBQS14/4 14 4 3 0.2–0.8 25 25 19 84 2ZBQS20/10 20 10 8 0.2–0.8 25 25 19 155 1200*550*900 2ZBQS40/4 40 4 5 0.2–0.8 25 25 19 120 2ZBQS45/4 45 4 5 0.2–0.8 25 25 19 155 2ZBQS7.5/15 7.5 15 3 0.2–0.8 25 25 19 84 800*500*850 2ZBQS8/13 8 13 3 0.2–0.8 25 25 19 84 2ZBQS10/3 10 3 3 0.2–0.8 25 25 19 84 2ZBQS50/3 50 3 5 0.2–0.8 32 32 25 104 2ZBQS80/2 80 2 5 0.2–0.8 32 32 25 104 
3ZBQS Series Mine-Powered Grouting Pump
Main Technical Parameters
Project Unit 3ZBQS10/10 3ZBQS12/10 3ZBQS17/7 3ZBQS40/4 3ZBQS10/10 Slurry flow rate L/min 10 12 17 40 10 Pulp discharge pressure MPa 10 10 7 4 10 Mixing ratio - 1:1 / 1:2 / 1:4 Gas consumption m³/min 5 Gas supply pressure MPa 0.2~0.8 Gas source interface KJ 25 Pulp inlet KJ 25 Slurry outlet KJ 19 External dimensions mm 560x660x1300 Weight kilogram 98 115 
- The shaft wall structure for frozen shafts shall adopt a double-layer or composite shaft wall. After the completion of the freezing section of the shaft, backfill grouting between the walls should be carried out promptly. During grouting, the temperature of the concrete in the inter-wall space shall not be lower than 4°C, and the frozen wall must remain sealed and capable of withstanding external hydrostatic pressure.
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