Small concrete mixers usually need to set up two automatic and manual control modes. Manual working mode is mainly used for system maintenance or software debugging. Generally, automatic working mode is adopted in the production process. Therefore, you should set manual, automatic selection and corresponding buttons, and set the indicator light of each button to easily check the system when the system does not work normally. Automatic control can be used after the equipment is running.

從原料到成品的混凝土工藝是計量輸送-進(jìn)料-攪拌-卸料。每個鏈路都有自己的設(shè)備組件。這些設(shè)備的操作由控制系統(tǒng)集中管理。每個部件的運行狀態(tài)顯示在控制系統(tǒng)的計算機(jī)屏幕上。系統(tǒng)的邏輯控制主要負(fù)責(zé)PLC。它可以接收來自主計算機(jī)的各種輸入信號，例如開關(guān)，按鈕和接觸器狀態(tài)和命令，以控制各種動作，包括配料儀器的啟動和停止以及電機(jī)的順序啟動和停止控制。，鏈控制和保護(hù)控制。

The concrete process from raw materials to finished products is metered transportation - feeding - mixing - unloading. Each link has its own device components. The operation of these devices is centrally managed by the control system. The operating status of each component is displayed on the computer screen of the control system. The logic control of the system is mainly responsible for PLC. It can receive various input signals from the host computer, such as the status and commands of switches, buttons and contactors, to control various actions, including the start and stop of batching instruments and the sequential start and stop control of motors., Chain control and protection control.

水泥筒倉是用于儲存散裝物料的罐裝設(shè)備，常用于在移動混凝土攪拌站中儲存水泥。但是，水泥筒倉有時會出現(xiàn)一些故障。例如，有時水泥不會進(jìn)入水泥筒倉。原因是什么？怎么？

Cement silo is a canning equipment used to store bulk materials. It is often used to store cement in mobile concrete mixing plant. However, cement silos sometimes have some failures. For example, sometimes cement does not enter the cement silo. Why? How?

直觀的原因是水泥筒倉的沖裁錐閥無法打開。除此之外，可以直接觀察到當(dāng)水泥罐處于正壓狀態(tài)時，水泥不會進(jìn)入，并且水泥筒倉的排氣閥泄漏也會導(dǎo)致水泥不適應(yīng)。

The intuitive reason is that the blanking cone valve of the cement silo cannot be opened. In addition, it can be directly observed that when the cement tank is in a positive pressure state, the cement will not enter, and the leakage of the exhaust valve of the cement silo will also cause the cement to not adapt.

由于這些原因，我們可以采取一些方案。

For these reasons, we can take some solutions.

1，有必要檢查水泥筒的氣缸活塞和連桿是否處于運行狀態(tài)。如果沒有操作或運行，則需要檢查氣缸的供氣閥是否泄漏或未堵塞。氣體，在這種情況下，開關(guān)閥可以清潔和密封。

1. It is necessary to check whether the cylinder piston and connecting rod of the cement cylinder are in operation. If there is no operation or operation, it is necessary to check whether the air supply valve of the cylinder is leaking or not blocked. In this case, the on-off valve can be cleaned and sealed.

2.如果是水泥筒倉壓力的原因，有必要檢查水泥筒倉排氣閥的托盤橡膠是否正常運行。如果沒有正常運行，應(yīng)及時更換。

2. If the reason is the pressure of the cement silo, it is necessary to check whether the tray rubber of the cement silo exhaust valve operates normally. If it does not operate normally, it shall be replaced in time.

3.由于排氣閥的空氣泄漏，可以打開水泥筒倉的排氣盤以排出氣體。

3. Due to the air leakage of the exhaust valve, the exhaust disc of the cement silo can be opened to exhaust the gas.

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