JOZO multi-channel jetting tool for ground-improvement applications
Product Offering
Specialized Drilling Tools & Multi-Channel Jetting Systems
专用钻具与多通道喷射系统
Bits, drill rods, swivels, and front-end assemblies for low-disturbance omnidirectional jet grouting, jet mixing, deep large-diameter jet grouting, and general jet-grouting applications, enabling multi-medium transfer, jetting, return-flow management, mechanical mixing, and monitoring-signal transmission.
钻头、钻杆、水龙头和前端装置配套微扰动全方位旋喷、喷射搅拌、深层大直径旋喷及通用旋喷，实现多介质输送、喷射、排浆、机械搅拌和监测信号传输。
Supplied by Shanghai JOZO Machine & Electric Equipment Co., Ltd.
Overview
Product overview
Specialized tooling is matched with rigs and pump stations to provide media delivery, jetting, return-flow, mixing, and monitoring functions required by each construction method. Main products include T1-T4 functional bits and swivels; multi-port rods and front-end assemblies for the MJS (Metro Jet System) low-disturbance omnidirectional jet-grouting method; expandable-blade bits and multi-channel rods for the JMP micro-disturbance ultra-high-pressure jet-mixing pile method; and the T3 rod unit for the RJP-3.0 deep, large-diameter jet-grouting method.
Tooling is configured around installation direction, jetting media, pressure and flow, return-flow route, mixing requirement, monitoring points, and rig interface. Deep, high-pressure, and continuous operation also require attention to rotary seals, rod handling, wear parts, cleaning, and maintenance.
专用钻具与钻机、泵站配套，承担不同工法所需的介质输送、喷射、排浆、搅拌和监测功能。主要产品包括T1-T4功能钻头与水龙头、MJS微扰动全方位高压旋喷技术（Metro Jet System，MJS）多孔管及前端装置、JMP微扰动超高压喷射搅拌桩工法专用的可展开叶片钻头与多通道钻杆，以及RJP-3.0深层大直径旋喷工法使用的T3钻杆单元。
钻具可根据施工方向、喷射介质、压力与流量、排浆方式、搅拌要求、监测点和钻机接口进行配置。对深层、高压、连续作业，应同时考虑旋转密封、接钻方式、易损件、清洗与维护。
Applications
Typical applications
- Full-circle, half-circle, and sector jet grouting
- Active spoil return and ground-pressure control
- Combined high-pressure jetting and mechanical mixing
- Horizontal, inclined, and deep operation
- Multi-medium, multi-channel grouting
- Specialized tooling with sensor and data-line integration
- 全圆、半圆和扇形高压旋喷
- 主动排浆与地内压力控制
- 喷射与机械搅拌一体化
- 水平、倾斜和超深施工
- 多介质、多通道注浆
- 需要传感器和数据线接入的专用钻具
Features
Key product features
- MJS tooling: multi-port rods and front-end assemblies provide dedicated paths for high-pressure water, slurry, air, spoil return, suction or air-lift functions, and ground-pressure monitoring
- JMP tooling: jetting channels and expandable blades combine high-pressure soil cutting with active mixing
- data channels can connect ground pressure, verticality, and blade-opening sensors
- RJP-3.0 T3 tooling: swivel, rod unit, and bit work with the rig, high-pressure pump, and monitoring system
- General T1-T4 series: different jetting, grouting, spoil-return, and medium-channel combinations serve varied drilling and jet-grouting tasks
- JMP development for the Shanghai East Railway Station trials included rotary-seal testing of a dual-channel swivel, pressure testing of the bit, blade-opening tests, and rod manufacturing checks, providing verification data for subsequent tooling iterations
- MJS钻具：多孔管和前端装置分别承担高压水、浆液、空气、排浆、倒吸水/气举及地内压力监测等功能
- JMP钻具：通过喷射通道与展开叶片组合，以高压射流切削并主动搅拌土体
- 数据通道可连接地内压力、垂直度和叶片开度监测
- RJP-3.0 T3钻具：由水龙头、钻杆单元和钻头组成，与钻机、高压泵及监测系统协同
- 通用T1-T4系列：按喷射、注浆、排浆和介质通道组合服务不同钻进与旋喷任务
- 上海东站JMP试验记录了二重水龙头旋转密封、钻头耐压、叶片展开和钻杆生产测试，为后续工具迭代提供验证数据
Offering Details
Technical Details & Applications
Integration, Reliability & Maintenance
- Channel configuration: internal paths in rods and swivels are arranged for high-pressure water, slurry, air, spoil return, suction or air lift, and sensor wiring.
- Pressure and flow matching: nozzles, valves, rotary joints, and seals are matched to the pump operating range, media properties, and required continuous operating time.
- Rig integration: connection type, rod length, clamping position, rod-handling sequence, and sensor routing are coordinated with the power head, clamps, and mast space.
- Key reliability requirements: deep and high-pressure work places emphasis on rotary seals, threaded connections, weld quality, blade-opening mechanisms, and wear-part condition.
- Maintenance and cleaning: flushing, channel clearing, seal replacement, nozzle inspection, and spare-parts management support continuous operation.
技术说明与应用案例
配套要求、可靠性与维护
- 通道配置：根据高压水、浆液、空气、排浆、倒吸或气举及传感器需求确定钻杆和水龙头内部通道。
- 压力与流量匹配：喷嘴、阀组、旋转接头和密封结构需与泵站工作区间、介质特性及连续作业时间相匹配。
- 与钻机配套：连接方式、钻杆长度、夹持位置、拆接工艺和传感器布线需与动力头、夹持器及桅杆空间协调。
- 关键可靠性要求：深层和高压施工重点关注旋转密封、螺纹连接、焊接质量、叶片展开机构和易损件状态。
- 维护与清洗：停机冲洗、通道疏通、密封更换、喷嘴检查和备件管理是保持连续作业能力的重要环节。
Related Products & Solutions
关联产品与解决方案
Automatically selected based on supplier, category, keywords and offering type.
EQUIPMENT
Drilling & Ground Improvement Rigs
钻进与地基改良钻机
View Details
EQUIPMENT
High-Pressure Grouting & Pumping Equipment
高压注浆与泵送设备
View Details
INTEGRATED SOLUTIONS
Integrated Jet Grouting, Low-Disturbance Grouting & Ground Improvement Systems
高压旋喷、微扰动注浆与地基改良成套系统
View Details