水泥撒布車均勻不堵料的實用要點

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

　　一 設備選型與關鍵配置

　　Equipment selection and key configurations

　　粉料撒布（干撒水泥）優先選擇具備車載控制器+液晶顯示、容積式計量、與散裝粉料車直接上料、獨立液壓驅動螺旋輸料與布料的機型；常見可實現**3–30 kg/㎡**撒布量、1.25–2.5 m撒布寬度可調，車速變化時仍能保持設定撒布量穩定。此類配置有利于計量準確與橫向均勻性，并減少人工與等待時間。

　　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.

　　水泥凈漿灑布（濕拌漿）優先選擇帶差速羅拉輥灑布系統（替代高壓噴頭，降低管路與噴頭堵塞風險）、U型滑槽滑輪無級調寬的噴灑梁、雙罐聯通立式攪拌+三層框式轉子+底部柔性刮板（減少死區、避免底部沉積結塊）、以及頂蓋環形間歇噴淋（罐體與攪拌件常濕防結垢）的結構；同時配置轉速/計量傳感器與報警，便于及時發現絞龍停轉與卡堵隱患。

　　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 施工參數與標定

　　Construction parameters and calibration

　　明確設計指標：目標撒布量（kg/㎡）、撒布寬度（m）、作業速度（km/h），并按設備說明完成計量系統標定（含絞龍/計量器轉速與顯示一致性檢查）。

　　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“方格網法”換算（用于核對單車能力與布置）：每個方格網的水泥袋數≈每平方米用灰量×方格網面積/50 kg。例如：目標5 kg/㎡、方格10 m×10 m，每格需約10袋（500 kg）。該方法便于檢查撒布車能力與施工組織是否匹配。

　　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.

　　作業組織與覆蓋：粉料撒布宜與再生機/拌和機同幅同速聯動，減少暴露時間；在就地冷再生等工藝中，常將作業面劃分為四幅，再生機施工當前幅時，將水泥預先撒布在下一幅，以降低風蝕與雨淋損失并保證覆蓋完整。

　　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 標準化作業流程

　　Three standardized operating procedures

　　作業前

　　Before homework

　　檢查并清潔料倉、螺旋、計量器、管路/噴嘴；確認傳感器工作正常、報警功能有效。

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

　　凈漿設備按規程進行預潤濕/噴淋，防止干結；干撒設備確認除塵與密封良好。

　　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.

　　作業中

　　in the homework

　　起步與換擋時平穩操作，維持設定撒布量與寬度；發現異常（如計量波動、異響、出料不穩）立即停機排查。

　　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.

　　干撒時避免過密或過稀，以“無空白、無明顯集中”為驗收直觀標準；凈漿時控制出漿均勻、無脈沖，噴灑梁寬度與行進速度匹配，避免局部過量或漏灑。

　　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.

　　作業后

　　after work

　　立即進行沖洗/吹掃（凈漿重點沖洗罐體、攪拌器、管路與噴嘴；干撒清理螺旋與料倉殘料），保持濕潤存放，減少結塊與結垢。

　　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 防堵與快速排查

　　Four prevention measures and rapid troubleshooting

　　常見堵點與對策

　　Common obstacles and countermeasures

　　粉料撒布：常見為受潮結塊、異物卡滯、螺旋/計量器停轉；對策是嚴控來料含水與清潔度、保持氣源與密封、定期清理并檢查轉速/計量傳感器與報警。

　　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.

　　凈漿灑布：傳統高壓噴頭易在管壁與噴嘴結硬堵塞；采用差速羅拉輥強制出漿可顯著降低堵塞概率；同時優化攪拌與防結垢（雙軸立式攪拌+底部刮板+頂蓋環形噴淋），減少管路沉積與脫落結塊風險。

　　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.

　　快速排查清單

　　Quick Checklist

　　計量/顯示異常或絞龍不轉：優先檢查轉速傳感器與線束、聯軸器、液壓馬達與閥組響應。

　　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.

　　出料忽大忽小或中斷：檢查螺旋磨損/變形、異物卡滯、料倉拱料，必要時降低轉速并人工破拱。

　　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.

　　局部過量/漏灑：核對撒布寬度設定、行駛速度穩定性、噴灑梁/噴嘴一致性；凈漿設備檢查羅拉輥同步與間隙。

　　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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