水泥撒布车均匀不堵料的实用要点

　　Practical points for even and unobstructed material distribution in cement spreading vehicles

　　一 设备选型与关键配置

　　Equipment selection and key configurations

　　粉料撒布（干撒水泥）优先选择具备车载控制器+液晶显示、容积式计量、与散装粉料车直接上料、独立液压驱动螺旋输料与布料的机型；常见可实现**3–30 kg/㎡**撒布量、1.25–2.5 m撒布宽度可调，车速变化时仍能保持设定撒布量稳定。此类配置有利于计量准确与横向均匀性，并减少人工与等待时间。

　　For powder spreading (dry cement spreading), priority should be given to models with on-board controllers+LCD displays, volumetric metering, direct loading with bulk powder trucks, and independent hydraulic drive for spiral feeding and fabric distribution; Commonly, it can achieve a spreading amount of * * 3-30 kg/㎡ * * and an adjustable spreading width of 1.25-2.5 m. It can maintain a stable set spreading amount even when the vehicle speed changes. This type of configuration is beneficial for accurate measurement and horizontal uniformity, as well as reducing manual labor and waiting time.

　　水泥净浆洒布（湿拌浆）优先选择带差速罗拉辊洒布系统（替代高压喷头，降低管路与喷头堵塞风险）、U型滑槽滑轮无级调宽的喷洒梁、双罐联通立式搅拌+三层框式转子+底部柔性刮板（减少死区、避免底部沉积结块）、以及顶盖环形间歇喷淋（罐体与搅拌件常湿防结垢）的结构；同时配置转速/计量传感器与报警，便于及时发现绞龙停转与卡堵隐患。

　　For cement slurry spraying (wet mixing), priority should be given to using a differential roller spraying system (replacing high-pressure nozzles to reduce the risk of pipeline and nozzle blockage), a spray beam with U-shaped groove pulley infinitely wide adjustment, a vertical mixing system with double tank connection, a three-layer frame rotor, and a flexible scraper at the bottom (reducing dead zones and avoiding bottom sedimentation and agglomeration), and a structure with circular intermittent spraying on the top cover (the tank and mixing components are constantly wet to prevent scaling); Simultaneously configure speed/metering sensors and alarms to facilitate timely detection of potential issues such as winch stoppage and blockage.

　　二 施工参数与标定

　　Construction parameters and calibration

　　明确设计指标：目标撒布量（kg/㎡）、撒布宽度（m）、作业速度（km/h），并按设备说明完成计量系统标定（含绞龙/计量器转速与显示一致性检查）。

　　Clear design indicators: target spreading amount (kg/㎡), spreading width (m), operating speed (km/h), and complete the calibration of the measuring system according to the equipment instructions (including checking the consistency between the speed of the winch/meter and the display).

　　干撒水泥的“方格网法”换算（用于核对单车能力与布置）：每个方格网的水泥袋数≈每平方米用灰量×方格网面积/50 kg。例如：目标5 kg/㎡、方格10 m×10 m，每格需约10袋（500 kg）。该方法便于检查撒布车能力与施工组织是否匹配。

　　The conversion of "grid method" for dry spreading cement (used to verify the capacity and layout of bicycles): The number of cement bags in each grid is approximately equal to the amount of ash used per square meter multiplied by the grid area/50 kg. For example, if the target is 5 kg/㎡ and the grid is 10 m x 10 m, each grid requires about 10 bags (500 kg). This method facilitates checking whether the spreading vehicle's capacity matches the construction organization.

　　作业组织与覆盖：粉料撒布宜与再生机/拌和机同幅同速联动，减少暴露时间；在就地冷再生等工艺中，常将作业面划分为四幅，再生机施工当前幅时，将水泥预先撒布在下一幅，以降低风蚀与雨淋损失并保证覆盖完整。

　　Homework organization and coverage: Powder spreading should be linked with the regeneration machine/mixer at the same amplitude and speed to reduce exposure time; In processes such as on-site cold recycling, the work surface is often divided into four sections. When the recycling machine is used to construct the current section, cement is pre spread on the next section to reduce wind erosion and rain damage and ensure complete coverage.

　　三 标准化作业流程

　　Three standardized operating procedures

　　作业前

　　Before homework

　　检查并清洁料仓、螺旋、计量器、管路/喷嘴；确认传感器工作正常、报警功能有效。

　　Check and clean the silo, screw, measuring device, pipeline/nozzle; Confirm that the sensor is working properly and the alarm function is effective.

　　净浆设备按规程进行预润湿/喷淋，防止干结；干撒设备确认除尘与密封良好。

　　Pre wetting/spraying of slurry cleaning equipment according to regulations to prevent drying and caking; Confirm that the dust removal and sealing of the drying equipment are good.

　　作业中

　　in the homework

　　起步与换挡时平稳操作，维持设定撒布量与宽度；发现异常（如计量波动、异响、出料不稳）立即停机排查。

　　Smooth operation during start-up and gear shifting, maintaining the set spreading amount and width; If any abnormalities are found (such as measurement fluctuations, abnormal noises, or unstable discharge), immediately stop the machine for troubleshooting.

　　干撒时避免过密或过稀，以“无空白、无明显集中”为验收直观标准；净浆时控制出浆均匀、无脉冲，喷洒梁宽度与行进速度匹配，避免局部过量或漏洒。

　　When spreading dry, avoid being too dense or too thin, and use "no blank, no obvious concentration" as the visual acceptance standard; During the cleaning process, ensure that the slurry is evenly distributed without any pulses, and that the width of the spraying beam matches the speed of travel to avoid excessive or missed spraying in certain areas.

　　作业后

　　after work

　　立即进行冲洗/吹扫（净浆重点冲洗罐体、搅拌器、管路与喷嘴；干撒清理螺旋与料仓残料），保持湿润存放，减少结块与结垢。

　　Immediately rinse/blow (clean the tank, mixer, pipeline, and nozzle with a focus on cleaning the slurry; dry sprinkle and clean the screw and silo residue), keep it moist for storage, and reduce clumping and scaling.

　　四 防堵与快速排查

　　Four prevention measures and rapid troubleshooting

　　常见堵点与对策

　　Common obstacles and countermeasures

　　粉料撒布：常见为受潮结块、异物卡滞、螺旋/计量器停转；对策是严控来料含水与清洁度、保持气源与密封、定期清理并检查转速/计量传感器与报警。

　　Powder spreading: common causes include moisture clumping, foreign object jamming, and screw/gauge stalling; The countermeasures are to strictly control the moisture content and cleanliness of incoming materials, maintain the air source and seal, regularly clean and inspect the speed/metering sensors and alarms.

　　净浆洒布：传统高压喷头易在管壁与喷嘴结硬堵塞；采用差速罗拉辊强制出浆可显著降低堵塞概率；同时优化搅拌与防结垢（双轴立式搅拌+底部刮板+顶盖环形喷淋），减少管路沉积与脱落结块风险。

　　Clean slurry spraying: Traditional high-pressure nozzles are prone to hardening and clogging on the pipe wall and nozzle; The use of differential roller for forced slurry discharge can significantly reduce the probability of blockage; Simultaneously optimize mixing and anti scaling (dual axis vertical mixing+bottom scraper+top cover annular spray) to reduce the risk of pipeline sedimentation and detachment.

　　快速排查清单

　　Quick Checklist

　　计量/显示异常或绞龙不转：优先检查转速传感器与线束、联轴器、液压马达与阀组响应。

　　Abnormal measurement/display or non rotation of the winch: prioritize checking the response of the speed sensor and wiring harness, coupling, hydraulic motor and valve group.

　　出料忽大忽小或中断：检查螺旋磨损/变形、异物卡滞、料仓拱料，必要时降低转速并人工破拱。

　　Discharge may fluctuate or be interrupted: Check for spiral wear/deformation, foreign object jamming, and silo arching. If necessary, reduce the speed and manually break the arching.

　　局部过量/漏洒：核对撒布宽度设定、行驶速度稳定性、喷洒梁/喷嘴一致性；净浆设备检查罗拉辊同步与间隙。

　　Local excess/leakage: Check the setting of the spreading width, stability of the driving speed, and consistency of the spraying beam/nozzle; Check the synchronization and clearance of the roller in the slurry cleaning equipment.

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