倉泵又稱倉式泵、發送罐，是一個密封壓力容器；其作用是將物料裝入倉泵內與壓縮空氣混合后經輸料管輸送物料至卸料點；倉泵輸送系統分間歇輸送和連續輸送兩種，主要取決于它的結構方式，單倉泵是間歇輸送，雙倉泵為連續輸送。倉泵具有輸送平穩、混合比高，廣泛用于粉粒裝物料的輸送，如藥粉、水泥、煤粉、粘土粉、面粉、碳酸鈣、石灰石粉等。

　　A silo pump, also known as a silo pump or a sending tank, is a sealed pressure vessel; Its function is to load the material into the warehouse pump and mix it with compressed air, then transport the material through the conveying pipe to the unloading point; The bin pump conveying system is divided into two types: intermittent conveying and continuous conveying, mainly depending on its structural mode. Single bin pumps are intermittent conveying, while double bin pumps are continuous conveying. Warehouse pumps have the advantages of smooth conveying and high mixing ratio, and are widely used for conveying materials such as powder, cement, coal powder, clay powder, flour, calcium carbonate, limestone powder, etc.

　　關于氣力輸灰倉泵工作原理，鑫魯泉盛小編從倉泵的間歇輸送和連續輸送予以簡述：

　　Regarding the working principle of the pneumatic ash conveying bin pump, the Xinlu Quansheng editor briefly describes the intermittent and continuous conveying of the bin pump:

　　氣力輸灰間歇倉泵工作原理也可理解為單倉泵的工作原理是結合流態化和氣固兩相流技術所研制的，其輸送技術的關鍵是必須將物料在倉泵內得到充分的流態化且是邊流化邊輸送，改懸浮式氣力輸送為流態化氣力輸送，是成熟可靠的氣力輸送技術之一；倉泵控制常采用PLC程序控制與現場就地手操相結合的方式，每輸送一倉飛灰即為一個工作循環，每個工作循環分為進料階段、加壓流化階段、輸送階段、吹掃階段四個階段：

　　The working principle of the intermittent bin pump for pneumatic ash conveying can also be understood as the working principle of a single bin pump, which is developed by combining fluidization and gas-solid two-phase flow technology. The key to its conveying technology is to fully fluidized the material in the bin pump and transport it while fluidized. Changing suspended pneumatic conveying to fluidized pneumatic conveying is one of the mature and reliable pneumatic conveying technologies; The control of the silo pump often adopts a combination of PLC program control and on-site manual operation. Each conveying of one silo fly ash is a working cycle, which is divided into four stages: feeding stage, pressurized fluidization stage, conveying stage, and blowing stage

　　1. 進料階段：進料閥呈開啟狀態，進氣閥和出料閥關閉，倉泵內部與灰斗連通，倉泵內無壓力（與除塵器內部等壓），飛灰源源不斷地從除塵器灰斗進入倉泵，當倉泵內飛灰灰位高至與料位計探頭接觸，則料位計產生一料滿信號，并通過現場控制單元進入程序控制器。在程序控制器控制下，系統自動關閉進料閥進料狀態結束。

　　1. Feeding stage: The feeding valve is in the open state, the inlet valve and outlet valve are closed, the interior of the bin pump is connected to the ash hopper, and there is no pressure inside the bin pump (equal pressure to the interior of the dust collector). Fly ash continuously enters the bin pump from the dust collector ash hopper. When the fly ash level in the bin pump is high enough to contact the level gauge probe, the level gauge generates a full signal and enters the program controller through the on-site control unit. Under the control of the program controller, the system automatically closes the feeding valve and the feeding state ends.

　　2. 加壓流化階段：進料閥關閉，打開進氣閥，壓縮空氣通過流化盤均勻進入倉泵，倉泵內飛灰充分流態化，同時壓力升高，當壓力高至雙壓力開關上限壓力時，由雙壓力開關輸出上限壓力信號至控制系統，系統自動打開出料閥，加壓流化階段結束，進入輸送階段。

　　2. Pressure fluidization stage: The feed valve is closed, the inlet valve is opened, and compressed air enters the bin pump uniformly through the fluidization disc. The fly ash in the bin pump is fully fluidized, and the pressure increases. When the pressure reaches the upper limit of the dual pressure switch, the dual pressure switch outputs the upper limit pressure signal to the control system, and the system automatically opens the discharge valve. The pressure fluidization stage ends and enters the conveying stage.

　　3. 輸送階段：出料閥打開，此時倉泵一邊繼續進氣，飛灰被流態化，灰氣均勻混合；一邊氣灰混合物通過出料閥進入輸灰管道且輸送至灰庫，此時倉泵內壓力降低至雙壓力開關整定的下限壓力值時，輸送階段結束，進入吹掃階段，但此時進氣閥和出料閥仍保持開啟狀態。

　　3. Transportation stage: The discharge valve is opened, and at this time, the bin pump continues to intake air. The fly ash is fluidized and the ash gas is evenly mixed; The gas ash mixture enters the ash conveying pipeline through the discharge valve and is transported to the ash silo. At this time, when the pressure inside the bin pump drops to the lower limit pressure value set by the dual pressure switch, the conveying stage ends and enters the purging stage. However, at this time, the inlet valve and discharge valve remain open.

　　4. 吹掃階段：進氣閥和出料閥仍開啟，壓縮空氣吹掃倉泵和輸灰管道，此時倉泵內已無飛灰，管道內飛灰逐漸減少，最后幾乎呈空氣流動狀態。系統阻力下降，倉泵內壓力也下降至一穩定值。吹掃的目的是吹盡管路和泵體內殘留的飛灰，以利于下一循環的輸送。定時一段時間后，吹掃結束，關閉進氣閥、出料閥，然后打開進料閥，倉泵恢復進料狀態。至此，四個階段的一個輸送循環結束，重新開啟下一個輸送循環。

　　4. Purging stage: The intake valve and discharge valve are still open, and compressed air is used to blow the bin pump and ash conveying pipeline. At this time, there is no fly ash in the bin pump, and the fly ash in the pipeline gradually decreases, finally almost in an air flow state. The system resistance decreases, and the pressure inside the bin pump also drops to a stable value. The purpose of purging is to blow away the residual fly ash in the pipeline and pump body, in order to facilitate the transportation of the next cycle. After a certain period of time, the blowing is completed, the intake valve and discharge valve are closed, and then the feed valve is opened, and the bin pump returns to the feeding state. At this point, one of the four stages of the conveying cycle ends, and the next conveying cycle is restarted.

　　說完單倉泵氣力輸灰系統的工作原理，鑫魯泉盛小編再講講連續氣力輸灰倉泵工作原理也可理解為雙倉泵連續氣力輸送，需注意的是連續氣力輸灰倉泵工作原理取決于其組合形式，詳細如下：

　　After discussing the working principle of the single chamber pump pneumatic ash conveying system, Xinlu Quansheng editor will explain the working principle of the continuous pneumatic ash conveying chamber pump, which can also be understood as the continuous pneumatic conveying of the double chamber pump. It should be noted that the working principle of the continuous pneumatic ash conveying chamber pump depends on its combination form, as detailed below:

　　1）倉泵單組兩罐并聯是一種常用的連續氣力輸送方法，一臺倉泵輸送時，另一臺倉泵加料；當第一臺輸送結束后，由切換閥轉換；這些過程動作由電氣控制和檢測系統來實現。這種布置方式存在的缺點是：當一臺倉泵輸送時另一臺發送罐必須將容器內氣壓排空才可裝料，這一過程使耗氣量增加、功率消耗大。

　　1) Parallel connection of two tanks in a single warehouse pump is a commonly used continuous pneumatic conveying method. When one warehouse pump is conveying, the other warehouse pump is feeding; After the first conveyor is completed, it is switched by the switching valve; These process actions are implemented by electrical control and detection systems. The disadvantage of this arrangement is that when one bin pump is transporting, the other sending tank must empty the pressure inside the container before loading, which increases gas consumption and power consumption.

　　2）單組兩罐串聯是由上、下兩倉泵鉛直串聯組成，兩容器由裝料閥連接且有均壓閥及管道聯通；上、下倉泵均有料位控制計，控制罐內物料量。進料時，首先將下倉泵的輸送壓力通過均壓閥送入上倉泵，在兩器均壓的條件下給料。給料結束后，裝料閥、均壓閥關閉，排氣閥打開，上倉泵內氣壓全部排空再進行加料；裝滿后，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，保證連續輸送；全部動作均由編程控制器自動控制。

　　2) A single group of two tanks connected in series is composed of vertically connected upper and lower tank pumps. The two containers are connected by a loading valve and have a pressure equalization valve and pipeline connection; Both the upper and lower storage pumps have level control meters to regulate 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 equalization valve, and the feeding is carried out under the condition of pressure equalization between the two devices. After the feeding is completed, the loading valve and pressure equalizing valve are closed, the exhaust valve is opened, and the air pressure in the upper chamber pump is completely emptied before feeding; After filling, close the feeding valve and exhaust valve, and prepare to feed the lower bin pump, completing a cycle program to ensure continuous delivery; All actions are automatically controlled by the programming controller.

　　3）雙組兩罐串聯是將兩個單組兩罐串聯的形式并聯在一起。主要特點是：當一組輸送時，第二組進料，兩組交替運行；當第一組物料即將輸送完畢時，進氣閥和輸料閥關閉，下倉泵內貯存的氣壓通過均壓管進入上倉泵，在氣壓相同的相同下，裝料閥打開，物料進入下倉泵內，即節省耗氣量又降低能耗。

　　3) Double group two tank series connection is a form of connecting two single group two tanks in series in parallel. The main feature is that when one group is transported, the second group feeds, and the two groups run alternately; When the first group of materials is about to be transported, the inlet valve and the feeding valve are closed, and the air pressure stored in the lower compartment pump enters the upper compartment pump through the pressure equalization pipe. At the same air pressure, the loading valve opens and the materials enter the lower compartment pump, saving air consumption and reducing energy consumption.

　　上述是我們以常用的沸騰式倉泵梳理的間歇和連續氣力輸灰倉泵工作原理；因倉泵的類型不同，故其工作原理也不同；鑫魯泉盛專注于粉粒料氣力輸送，若需要請隨時聯系。

　　The above is the working principle of intermittent and continuous pneumatic ash conveying bin pumps that we have sorted out using commonly used boiling bin pumps; Due to the different types of warehouse pumps, their working principles are also different; Xinlu Quansheng specializes in pneumatic conveying of powder and granular materials. Please feel free to contact us if needed.

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