Double plunger injection system

Jet grout pump has important application value in building foundation engineering, especially in situations where underground drilling operations are required to reinforce or repair foundation piles (such as pile foundations).

High pressure triplex plunger grout pump application scenarios: Foundation reinforcement: used for grouting reinforcement of soft soil foundation to improve foundation bearing capacity and reduce settlement. Waterproof curtain: in tunnels, basements and other projects, a waterproof curtain is formed to prevent groundwater infiltration. Mining and tunnel engineering: used for advance support in tunnel excavation, mine surrounding rock reinforcement, etc. Soil improvement: improve soil properties through grouting to improve soil stability and impermeability.

Applications of the double-plunger injection system:
Tunneling and underground engineering: Shield tunneling synchronous grouting, pre-support grouting (pipe roofing), and backfill grouting behind tunnel linings; ensures precise control of surface settlement and supports uninterrupted, high-flow continuous operations.
Mining engineering: Underground rock strata water-blocking and reinforcement, and goaf (mined-out area) infill grouting; explosion-proof double-plunger systems operate safely in high-gas environments, significantly reducing the frequency of underground equipment maintenance.
Water conservancy and hydropower engineering: Dam foundation curtain grouting and dam body seepage-proofing/reinforcement; stable high-pressure output ensures grout penetrates fine rock fissures, enhancing the seepage-proof performance of dam foundations.
Specialized engineering: High-pressure jet grouting, precision chemical injection for oil and gas fields, micropile foundation anchoring grouting, and borehole wall stabilization/leak sealing; suitable for a wide range of high-precision, high-pressure injection applications.

Jet grouting machine is specialized equipment used in geotechnical engineering and construction for soil stabilization and ground improvement. It injects a high-pressure grout mixture into the ground to create columns or walls of solidified soil-cement, known as soilcrete.  Jet grouting machines are essential tools in modern construction and geotechnical engineering, providing effective solutions for ground improvement and stabilization in various infrastructure projects.

Rotary Jet Cement Grout Pump is a professional equipment used for high-pressure rotary jet grouting construction. It combines rotary drilling and high-pressure jet grouting technology and is widely used in engineering fields such as foundation reinforcement, anti-seepage curtain, and soft soil foundation treatment. In the high-pressure rotary jet grouting process, the rotary jet cement grouting pump delivers cement slurry to the nozzle at the end of the drill pipe through high pressure. At the same time, the drill pipe rotates and lifts at the same time, and the slurry sprayed from the nozzle at high speed cuts and mixes the surrounding soil to form a columnar or wall-shaped reinforcement body.

Fully automatic jet grouting equipment is an advanced system designed for ground improvement and foundation engineering, combining high-pressure grout injection with automated control systems.

Grout pumping unit in 20ft container applications: Tunnel Waterproofing: Seal leaks in underground tunnels or subways. Mining Reinforcement: Stabilize mine shafts or stopes with resin injections. Foundation Repair: Fill voids under buildings or bridges. Environmental Projects: Contain pollutants via underground barrier walls.Emergency Repairs: Rapid response to sewer leaks or dam cracks.

Rotary jet grouting injection pump is one of the core equipment in high-pressure rotary jet grouting technology. It is mainly used to transport cement slurry under high pressure to the nozzle at the end of the drill pipe, and cooperate with the rotation and lifting of the drill pipe to form a uniform reinforcement column in the formation.

Jet grout mixer plant is a specialized equipment used for producing, mixing, and transporting grouting materials. It is widely used in foundation reinforcement, tunnel construction, slope stability, and other fields such as construction, transportation, and water conservancy.

The high-pressure grouting pump uses high-pressure injection technology to inject grouting materials (such as cement slurry, chemical slurry, etc.) into the formation to achieve reinforcement, waterproofing, anti-seepage and other purposes. It has the characteristics of high voltage, high efficiency, and stability, and is one of the indispensable important equipment in modern engineering construction.

A 100-bar grout injection pump typically refers to a pump capable of delivering grout (a mixture of cement, water, and sometimes additives) at a pressure of 100 bar.

A high-pressure grouting pump is a specialized piece of equipment designed to inject grout materials into soils, rocks, or structures at high pressures, typically for soil stabilization, foundation repair, tunneling, and post-tensioning applications. High-pressure grouting pumps, as professional grouting equipment, have a unique working principle and application field.  High pressure grouting pump is a device that can compress liquids (such as cement slurry, chemical slurry, etc.) to a high-pressure state and transport them through pipelines to the target area for grouting.
Its working principle usually includes one or more sealed pump chambers, which move back and forth through a piston or similar mechanism in the pump chamber, creating a pressure difference to suck liquid in and out of the pump chamber.

The 100bar grout injection pump has high pressure output capability, which ensures that the grouting material is injected into the formation under high pressure, achieving effective reinforcement and waterproofing effects. This equipment usually consists of pump body, motor, control system and other parts, with a compact structure and easy operation, which can meet the requirements of different projects for grouting pressure and flow rate.

A low-wear plunger type grout pump is designed with attention to the components exposed to abrasive grout. For contractors handling cement and bentonite-based mixtures, wear performance affects maintenance frequency, pumping consistency and equipment availability throughout the project.

Container jet grout pump is a grouting equipment that integrates storage, mixing, conveying, and spraying. It is usually equipped with specialized containers to store grouting materials such as cement slurry, chemical grout, etc., and injects the grouting materials into the formation through a high-pressure injection system. This device has the characteristics of compact structure, easy operation, and high grouting efficiency, and is widely used in engineering fields such as foundation reinforcement, tunnel construction, and slope stability.

Cement grout mixer and pump machine is a widely used equipment in the fields of construction and underground engineering, characterized by high efficiency, reliability, and customization. A cement grout mixer and pump machine is a versatile construction equipment designed to efficiently mix and pump grout, a fluid mixture primarily composed of cement, water, and sometimes sand or other aggregates. This machine is commonly used in various applications such as foundation stabilization, tunneling, soil nails, anchor installation, post-tensioning, and crack injection, where strong and durable filling or bonding is required.

The high pressure triplex pump consists of three parallel plungers or pistons, which are driven by a crankshaft to achieve reciprocating motion. The three-cylinder design can significantly reduce pressure pulsation, make fluid delivery more stable, and improve grouting efficiency. The triplex grout pump can generate pressures of up to 450 bar, which is suitable for deep grouting or high-viscosity grout delivery. By adjusting the pump speed or plunger stroke, the grouting flow rate can be flexibly controlled to meet the needs of different working conditions.

Jet grouting triplex pump is a high-pressure equipment used in jet grouting projects. Its core function is to inject slurry into the soil under high pressure to form a consolidated soil column or curtain. It is often used in scenes such as foundation reinforcement, waterproofing treatment and tunnel engineering.

Rotary Jet Grouting Pump application scenarios: Soft soil foundation treatment: Enhance the bearing capacity of the foundation and reduce settlement. Water-proof curtain: Prevent groundwater from penetrating into the construction site, often used in foundation pit support projects. Foundation reinforcement of existing buildings: Improve the original foundation conditions and improve the stability of the building through rotary jet grouting technology. Ground reinforcement around tunnel entrances and subway stations: Ensure safety during excavation.

A plunger grouting pump is a specialized piece of equipment designed for injecting grout materials, such as cement, bentonite, or chemical grouts, into soil, rock formations, or structures under high pressure. It is widely used in construction, mining, tunneling, and geotechnical applications for soil stabilization, foundation repair, waterproofing, and post-tensioning.

High pressure plunger grout pump delivers compatible cement and bentonite-based mixtures for foundation treatment, tunnel grouting and underground filling. Its hydraulic double-plunger design provides stepless pressure and flow adjustment, allowing delivery to be matched to different injection stages. Powered by a 15 kW motor, the pump has a specified output range of 0–90 L/min and a pressure range of 0–100 bar. The pumping assembly features 85 mm plungers, a 190 mm stroke and ball valves, with a maximum permitted particle size of 8 mm. Two pulsation dampers help moderate delivery fluctuations during operation.

High pressure grouting pump applications: Foundation Reinforcement: Grout fills soil pores to form a composite foundation, increasing bearing capacity. Seepage Prevention and Leakage Repair: Under high pressure, the grout penetrates into micro-cracks, forming a dense curtain to prevent groundwater seepage. Structural Strengthening: Grouting repairs existing building foundation cracks, restoring structural integrity.

Plunger jet grouting pump working principle: Plunger reciprocating motion: The plunger reciprocates in the pump cylinder, changing the sealed volume to achieve the suction and discharge of slurry. High-pressure injection: The slurry is pressurized to more than 20MPa through a high-pressure pump and ejected at high speed through a nozzle, impacting and destroying the soil and forming a consolidated body.

Different projects have different requirements for grouting pressure, flow rate, and shape of the solidified body, and appropriate equipment should be selected according to the specific project conditions. For example, for projects that need to form a solidified body with a larger diameter, equipment with higher injection pressure and larger injection flow rate can be selected; for projects that need to form a solidified body with a specific shape, a Jet Grouting Pump that can control the direction of the jet flow can be selected.

A drilling mud jet grout pump is a specialized high-pressure pumping system designed for dual applications in geotechnical and drilling operations: circulating drilling mud during drilling and injecting grout for soil stabilization or jet grouting. This hybrid system combines the functionalities of traditional drilling mud pumps and jet grouting equipment, making it ideal for scenarios where borehole stabilization and ground improvement are required simultaneously. 

For high-pressure rotary jet grouting (High-Pressure Jet Grouting, commonly referred to as high rotary jet grouting), the cement grout pump is a critical piece of equipment that must meet specific performance requirements due to the high pressures involved. This method involves injecting cement slurry at very high pressure through a nozzle in a rotating drill rod to erode and mix with the soil, forming a column of improved ground.

Grout injection pump for jet grouting is an ideal choice for high-performance cement jet grouting pumps at home and abroad. It is widely used in projects such as roads, bridges, municipal construction, tunnels, ports, dams, subways, underground buildings, etc. It has the characteristics of high pressure, high efficiency, compact structure, reliable performance, safe and convenient operation, etc.

A grout cement injection machine, also known as a cement grouting pump or injection pump, is a specialized construction tool designed specifically for injecting grout into cavities, cracks, or voids in concrete structures, soil, or rock formations. This equipment plays a vital role in strengthening, stabilizing, waterproofing, and repairing structures.

Jet grout pump plays an important role in the injection process of sonic pipes in diaphragm walls. This type of pump is mainly used to inject cement slurry or other grouting materials under high pressure into acoustic pipes to enhance the structural strength and stability of underground continuous walls.

Jet Pump Grout Systems pressurizes the grout to more than 20MPa and ejects it at high speed through the nozzle. The high-speed jet impacts and destroys the soil, and the grout mixes with the soil particles. After the mixture solidifies, it forms a cylindrical, plate-shaped or wall-shaped consolidation body to improve the foundation strength or achieve anti-seepage.