1、 In determining the grade of mixer truck, the investor shall fully understand the product quality level, service ability and price information of domestic and foreign construction manufacturers in the same industry, market research, on-site investigation, manufacturer processing and quality assurance ability. The manufacturers of complete sets of equipment and products with high quality and low price can be selected by holding defense meeting, bidding meeting, etc. Determine the scale and grade of commercial concrete mixer according to the capital ownership.

二、搅拌车场地的选择选择搅拌场地时，应确保场地离石料场和砂厂较近，以保证有足够的水分，并远离住宅区。如果我们能充分利用山坡地形，将物料场设置在山坡、较高的地面上，可以降低配料机的配料高度，使装载机进料、爬坡角度小或不需要爬坡，既节省能源又减少磨损。设备基地的安装应注意避开地上、地下光缆、电源或通信电缆。

2、 Selection of mixing truck site when selecting the mixing site, it shall be ensured that the site is close to the quarry and sand plant, so as to ensure that there is enough water and far away from the residential area. If we can make full use of the hillside terrain and set the material yard on the hillside and high ground, we can reduce the batching height of the batching machine and make the loader feed and climbing angle small or no need to climb, which can save energy and reduce wear. The installation of equipment base shall avoid aboveground and underground optical cables, power supply or communication cables.

三，骨料供应方式的选择建议采用装载机供料。搅拌车的选用如用于高速公路工程施工(工期短、移动进行搬迁问题频繁)，则要通过选用快装式、模块式结构的搅拌车。第四，传送带机选如场地宽阔，应优先发展选用小倾角18°，平皮带机输送生活方式(为降低企业设备公司采购管理成本，也可以通过选用提升料斗方式)。如果没有场地面积不断受到一定限制，可以充分考虑大倾角(一般为40°～50°)挡边皮带机(采用一些附加皮带结构，可以同时达到90°)。但在砂石潮湿的环境下，大倾角挡边皮带机有粘砂的缺点，皮带返程时，皮带下面落砂现象分析比较具有严重，商品提高混凝土配比要考虑砂的利用相关系数。我们来看看集料混合的选择

3、 For the selection of aggregate supply mode, it is recommended to use loader for feeding. If the mixer is used for highway engineering construction (short construction period and frequent relocation problems), it is necessary to select the mixer with fast loading and modular structure. Fourth, if the conveyor belt is selected as a wide site, priority should be given to the development and selection of a small inclination angle of 18 °, flat belt conveyor conveying lifestyle (in order to reduce the procurement management cost of enterprise equipment companies, the lifting hopper can also be selected). If the site area is not constantly limited to a certain extent, the belt conveyor with large inclination angle (generally 40 ° ~ 50 °) can be fully considered (some additional belt structures can reach 90 ° at the same time). However, in the wet environment of sand and gravel, the large angle edge retaining belt machine has the disadvantage of sticking sand. When the belt returns, the analysis of sand falling under the belt is more serious. The utilization correlation coefficient of sand should be considered to improve the proportion of commercial concrete. Let's look at the choice of aggregate mixing

一个完整的，商业混凝土搅拌机集料规模是

A complete, commercial concrete mixer aggregate scale is

1规模的累计计量和2-4规模的个人计量。为了保证每个骨料有足够的贮存容量，可将每个骨料设计成

Cumulative measurement of scale 1 and individual measurement of scale 2-4. In order to ensure that each aggregate has sufficient storage capacity, each aggregate can be designed as

2个称重配料。如果企业施工技术要求相对较低时，选用2种骨料累计价值计量的配料机;如果一个工程有特殊的要求，则通过选用3种或4种骨料秤累计计量的配料机，甚是每种骨料可以单独使用计量的配料机。

2 weighing ingredients. If the construction technical requirements of the enterprise are relatively low, two batching machines measuring the cumulative value of aggregate shall be selected; If a project has special requirements, the batching machine for cumulative measurement by selecting three or four aggregate scales, or even the batching machine for each aggregate can be used separately.

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