倉泵是氣力輸送系統中經常使用的設備之一，它屬于一種密封的壓力容器，其作用是把物料裝進容器內部，與壓縮空氣相混合后，通過輸料管將物料輸送到卸料地點；倉泵輸送系統能夠間歇地輸送物料，也可以連續輸送物料，這主要由它的結構形式來決定，單倉泵就是間歇輸送，雙倉泵則為連續輸送。倉泵具有輸送平穩、混合比例高的特點，被廣泛應用于粉粒狀物料的輸送，比如藥粉、水泥、煤粉、粘土粉、面粉、碳酸鈣、石灰石粉等。

　　Warehouse pump is one of the commonly used equipment in pneumatic conveying systems. It belongs to a sealed pressure vessel, which is used to load materials into the container, mix them with compressed air, and transport them to the unloading site through the conveying pipe; The bin pump conveying system can intermittently or continuously convey materials, which is mainly determined by its structural form. Single bin pumps are intermittent conveying, while double bin pumps are continuous conveying. Warehouse pumps have the characteristics of smooth transportation and high mixing ratio, and are widely used for the transportation of granular materials such as medicinal powder, cement, coal powder, clay powder, flour, calcium carbonate, limestone powder, etc.

　　倉泵按照出料方向可以分為上引式倉泵、下引式倉泵和中引式倉泵，其中前兩種是常用的類型；由于倉泵內部物料的流化狀態不一樣，會導致輸料管出現不穩定性，輸送能力、混合比等參數也會發生改變；依據多年的項目經驗來看，在輸送距離不算長的情況下，采用上引式倉泵比較合適；下引式倉泵在輸送過程中更為平穩，能夠提高輸送能力；在進行選型的時候，應該根據被輸送物料的特性以及工藝要求來選用合適的倉泵。

　　According to the discharge direction, bin pumps can be divided into upward suction bin pumps, downward suction bin pumps, and middle suction bin pumps, among which the first two are commonly used types; Due to the different fluidization states of materials inside the warehouse pump, instability may occur in the conveying pipe, and parameters such as conveying capacity and mixing ratio may also change; Based on years of project experience, it is more suitable to use an upward suction bin pump when the conveying distance is not too long; The down drawn bin pump is more stable during the conveying process and can improve the conveying capacity; When selecting, the appropriate bin pump should be chosen based on the characteristics of the conveyed material and process requirements.

　　為了節省能源、降低長期的運行費用，可以采用連續輸送的方式，將倉泵進行排列組合：具體有單組兩罐并聯、單組兩罐串聯和雙組兩罐串聯等布置形式。

　　In order to save energy and reduce long-term operating costs, continuous conveying can be used to arrange and combine the bin pumps, including single group two tank parallel, single group two tank series, and double group two tank series.

　　單組兩罐并聯是一種常用的連續氣力輸送方法，當一臺倉泵在輸送物料時，另一臺倉泵則進行加料；當第一臺倉泵輸送完成后，通過切換閥來進行轉換；這些過程的動作都是由電氣控制和檢測系統來實現的。這種布置方式存在的不足之處是：當一臺倉泵在輸送的時候，另一臺發送罐必須把容器內部的氣壓排空才能夠裝料，這個過程會使耗氣量增加、功率消耗變大。

　　Parallel connection of two tanks in a single group is a commonly used continuous pneumatic conveying method. When one bin pump is conveying materials, the other bin pump is feeding them; After the first bin pump completes the delivery, it is switched through a switching valve; The actions of these processes are implemented by electrical control and detection systems. The drawback of this arrangement is that when one bin pump is conveying, the other sending tank must empty the pressure inside the container before it can be loaded, which increases the gas consumption and power consumption.

　　單組兩罐串聯是由上、下兩個倉泵垂直串聯組成的，兩個容器通過裝料閥連接，并且有均壓閥及管道相互聯通；上、下倉泵都裝有料位控制計，用來控制罐內的物料量。在進料的時候，首先通過均壓閥將下倉泵的輸送壓力送入上倉泵，在兩個容器壓力均衡的條件下進行給料。給料結束之后，裝料閥、均壓閥關閉，排氣閥打開，上倉泵內部的氣壓全部排空后再進行加料；裝滿之后，加料閥和排氣閥關閉，準備向下倉泵進料，完成一個循環程序，從而保證連續輸送；所有的動作都由編程控制器自動控制。

　　A single group of two tanks connected in series is composed of upper and lower bin pumps vertically connected in series. The two containers are connected by a loading valve and are interconnected by a pressure equalization valve and pipelines; Both the upper and lower storage pumps are equipped with level control meters to control the amount of material in the tank. When feeding, the conveying pressure of the lower bin pump is first sent to the upper bin pump through a pressure equalizing valve, and feeding is carried out under the condition of pressure balance between the two containers. After the feeding is completed, the loading valve and pressure equalizing valve are closed, the exhaust valve is opened, and the air pressure inside the upper chamber pump is completely emptied before feeding; After filling, the feeding valve and exhaust valve are closed to prepare for feeding into the lower bin pump, completing a cycle program to ensure continuous delivery; All actions are automatically controlled by a programming controller.

　　雙組兩罐串聯是把兩個單組兩罐串聯的形式進行并聯組合而成的。它的主要特點是：當一組在輸送物料時，第二組進行進料，兩組交替運行；當第一組的物料快要輸送完畢時，進氣閥和輸料閥關閉，下倉泵內儲存的氣壓通過均壓管進入上倉泵，在氣壓相同的情況下，裝料閥打開，物料進入下倉泵內，這樣既節省了耗氣量，又降低了能耗。

　　Double group two tank series connection is a parallel combination of two single group two tank series connections. Its main feature is that when one group is conveying materials, the second group is feeding, and the two groups are running alternately; When the first group of materials is about to be transported, the inlet valve and feeding valve are closed, and the air pressure stored in the lower chamber pump enters the upper chamber pump through the pressure equalization pipe. Under the same air pressure, the loading valve opens and the materials enter the lower chamber pump, which not only saves air consumption but also reduces energy consumption.

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