Application requirements of pneumatic conveying system and characteristics of dense phase pneumatic conveying system

氣力輸送系統(tǒng)輸送散裝貨物用的是氣體。在負(fù)壓氣力輸送中，粉狀、顆粒狀物料通過(guò)空氣或氣流中的吸力移動(dòng)?？梢允褂盟鼘⒃牧蠌囊粋€(gè)或多個(gè)輸入點(diǎn)傳送到一個(gè)接收器或接收單元。前提條件是原料符合輸送要求。使用氣力輸送的優(yōu)點(diǎn)是，在輸送過(guò)程中額外的風(fēng)冷通常是不必要的。負(fù)壓輸送時(shí)，泵安裝在接收器后面。系統(tǒng)的負(fù)壓保證了打開襟翼或連接點(diǎn)時(shí)幾乎沒有粉塵排放。這是一個(gè)理想的系統(tǒng)，在衛(wèi)生和無(wú)塵環(huán)境有非常嚴(yán)格的要求。

The pneumatic conveying system uses gas to convey bulk goods. In negative pressure pneumatic conveying, powdery and granular materials move by suction in air or airflow. It can be used to transfer raw materials from one or more input points to a receiver or receiving unit. The precondition is that the raw materials meet the transportation requirements. The advantage of using pneumatic conveying is that additional air cooling is usually unnecessary in the conveying process. During negative pressure delivery, the pump is installed behind the receiver. The negative pressure of the system ensures that there is almost no dust emission when opening the flap or connection point. This is an ideal system, which has very strict requirements in a hygienic and dust-free environment.

正壓氣力輸送系統(tǒng)的泵是安裝在系統(tǒng)的前面，利用空氣或氣體的推進(jìn)氣流，以氣動(dòng)方式移動(dòng)粉末和顆粒狀物料。吹出的空氣或氣體允許將原料從一個(gè)輸入點(diǎn)輸送到一個(gè)或多個(gè)接收器。你也可以使用選擇系統(tǒng)選擇一個(gè)特定的接收器，這樣你就可以在想要的位置接收到原材料。正壓輸送的優(yōu)勢(shì)是它防止灰塵和污垢滲透到生產(chǎn)過(guò)程。

The pump of the positive pressure pneumatic conveying system is installed in the front of the system, and uses the propulsion airflow of air or gas to move powder and granular materials pneumatically. The blown out air or gas allows the delivery of raw materials from one input point to one or more receivers. You can also use the selection system to select a specific receiver, so that you can receive raw materials at the desired location. The advantage of positive pressure conveying is that it prevents dust and dirt from penetrating into the production process.

稀相輸送材料是氣動(dòng)與空氣或氣體混合，使其在輸送期間“暫停”。稀相氣力輸送系統(tǒng)的突出特點(diǎn)是其相對(duì)較高的運(yùn)輸速度和較低的負(fù)載系數(shù)，這有助于將產(chǎn)品的損壞降到z低。相對(duì)較高的空氣流量允許產(chǎn)品干燥和冷卻在輸送期間。通常采用高壓風(fēng)機(jī)或真空泵作為動(dòng)力源。稀相氣力輸送系統(tǒng)可靠、堅(jiān)固，適用于不均勻的產(chǎn)品供應(yīng)場(chǎng)景。

Dilute phase conveying materials are pneumatically mixed with air or gas to "pause" during conveying. The outstanding feature of dilute phase pneumatic conveying system is its relatively high transportation speed and low load coefficient, which helps to reduce the damage of products to Z low. The relatively high air flow allows the product to dry and cool during transportation. High pressure fan or vacuum pump is usually used as the power source. The dilute phase pneumatic conveying system is reliable and firm, which is suitable for uneven product supply scenarios.

在密相氣力輸送系統(tǒng)中，原料以“塞”的形式通過(guò)管道，空氣或氣體推動(dòng)原料。這種類型的輸送的特點(diǎn)是相對(duì)較低的運(yùn)輸速度，低空氣消耗。常使用中壓壓縮機(jī)作為動(dòng)力源。在這方面我們可以區(qū)分兩種系統(tǒng)。由于采用了高壓氣閘，即使在壓力變化很大的情況下，散裝貨物也可以通過(guò)一個(gè)密相氣力輸送系統(tǒng)進(jìn)行輸送。這里的突出特點(diǎn)是高負(fù)載能力和低空氣/燃?xì)庀?。通過(guò)高壓氣閘輸送非常適合于要求z小產(chǎn)品損壞的連續(xù)生產(chǎn)過(guò)程。與輸送容器相密，在用輸送容器搬運(yùn)物料時(shí)，可通過(guò)多種方式引導(dǎo)產(chǎn)品通過(guò)密相氣力輸送系統(tǒng)。密相氣力輸送系統(tǒng)具有轉(zhuǎn)速低、負(fù)荷能力大、耗氣量低的特點(diǎn)。

In dense phase pneumatic conveying system, raw materials are pushed by air or gas through pipes in the form of "plugs". This type of transportation is characterized by relatively low transportation speed and low air consumption. Medium pressure compressor is often used as the power source. In this regard, we can distinguish between two systems. Due to the use of high-pressure airlock, bulk goods can be transported through a dense phase pneumatic conveying system even when the pressure changes greatly. The outstanding features here are high load capacity and low air / gas consumption. Conveying through high-pressure airlock is very suitable for continuous production process requiring Z small product damage. It is close to the conveying container. When handling materials with the conveying container, products can be guided through the dense phase pneumatic conveying system in a variety of ways. Dense phase pneumatic conveying system has the characteristics of low speed, large load capacity and low gas consumption.

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