自動混凝土攪拌機的容量可根據施工要求和額定生產率，根據各機組所需的混凝土量合理選擇。具體要求如下：

The capacity of the automatic concrete mixer can be reasonably selected according to the construction requirements and rated production rate and the amount of concrete required by each unit. Specific requirements are as follows:

(1)優先考慮本單位現有機械的不足，然后考慮其他來源。

(1) Give priority to the shortage of the existing machinery of the unit, and then consider other sources.

(2)根據具體要求。當混凝土需求量大時，應選擇生產率高的機械，以減少投入單位數，節約成本；當施工期間所需混凝土量發生較大變化時，可適當選擇一些便攜式攪拌機進行調整和使用。

(2) According to specific requirements. When there is a large demand for concrete, machinery with high productivity should be selected to reduce the number of input units and save costs; When the required concrete quantity changes greatly during construction, some portable mixers can be appropriately selected for adjustment and use.

(3)攪拌機的容量應適合混凝土骨料的限度大粒徑。通常，骨料尺寸越大，攪拌機的容量越大。如果自落式混合機的容積為0.35、0.75和1.0 m，其混合物的高限制大粒徑可分別達到60、80和120mm。

(3) The capacity of the mixer shall be suitable for the maximum particle size of the concrete aggregate. Generally, the larger the aggregate size, the larger the capacity of the mixer. If the volume of the self falling mixer is 0.35, 0.75 and 1.0 m, the high limit large particle size of its mixture can reach 60, 80 and 120 mm respectively.

由于強制攪拌機的葉片容易磨損或堵塞，骨料的高限制大粒徑應較小，一般不超過40 ~ 60 mm。

Since the blades of the forced mixer are easy to be worn or blocked, the high limit and large particle size of the aggregate should be small, generally not more than 40 ~ 60 mm.

(4)攪拌機的卸料能力應與運輸工具(如斗車、自卸車、攪拌車等)的裝載能力相匹配。)，從而充分提高配套機械的生產效率。

(4) The discharge capacity of the mixer shall match the loading capacity of transportation vehicles (such as bucket trucks, dump trucks, mixer trucks, etc.), Thereby fully improving the production efficiency of the supporting machinery.

混凝土攪拌機的選型

Selection of concrete mixer

根據混凝土工程的施工條件和要求，參照攪拌機的技術性能選擇型號時，應注意以下事項。

According to the construction conditions and requirements of the concrete works, the following matters shall be paid attention to when selecting the model with reference to the technical performance of the mixer.

(1)當旋轉工作現場有電源時，佳選是電動攪拌機，否則可使用內燃式攪拌機。

(1) When there is power on the rotating work site, it is better to choose an electric mixer, otherwise an internal combustion mixer can be used.

(2)當混凝土量少時，應選擇移動式攪拌機，以便于轉移，否則應選擇固定式攪拌機。

(2) When the amount of concrete is small, the mobile mixer shall be selected to facilitate transfer; otherwise, the fixed mixer shall be selected.

(3)以強制攪拌機為主。強制式攪拌機，功耗高，葉襯磨損快，能攪拌出質量好、生產效率高、適應性強、綜合經濟效益高的干、輕混凝土，是機械行業推廣的效率高的產品之一。

(3) The forced mixer is mainly used. Forced mixer, with high power consumption, fast blade lining wear, can mix dry and light concrete with good quality, high production efficiency, strong adaptability and high comprehensive economic benefits. It is one of the products with high efficiency promoted by the machinery industry.

(4)當混凝土量大且集中時，應選擇機械化、自動化程度高的混凝土攪拌站(樓)。

(4) When the amount of concrete is large and concentrated, a concrete mixing plant (building) with high mechanization and automation shall be selected.

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