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          提高燃氣熱風爐安全性的有效方法分享

          文章出處:   發布時間:2019-07-30 17:26:05   瀏覽:21

          燃氣熱風爐在運行的過程之中是需要大家時刻關注的,一定要避免出現安全意外事故,否則后果難以想象。接下來這篇文章就想為大家介紹一些關于燃氣熱風爐安全使用的相關內容,希望大家在看完之后使用的過程之中可以更加的順利。由于燃氣熱風爐是使用液化天然氣氣體為燃料的爐具,安全性能相對較低。所以在操作燃氣熱風爐時要對操作閥門搗鼓個清楚,只有這樣才能避免麻煩的發生。下邊燃氣熱風爐廠家為大家做詳細解答。
          Gas hot blast stove in the process of operation needs our constant attention, we must avoid safety accidents, otherwise the consequences are unimaginable. Next, this article would like to introduce some related content about the safe use of gas hot stove, hoping that you can use it more smoothly after reading. Because the gas hot blast stove is a kind of stove using liquefied natural gas as fuel, its safety performance is relatively low. So in the operation of gas hot blast stove, it is necessary to make clear the operation valve, only in this way can trouble be avoided. Gas hot blast stove manufacturers below do detailed answers for you. (1)熱風閥。熱風閥是一個耐高溫的閘板閥,每座熱風爐一個,安裝在熱風出口與熱風主管之間的熱風短管上,用于隔斷熱風爐和熱風管道。由于熱風閥在高溫條件下工作,必須進行冷卻,一般為水冷,也有采用汽化冷卻的。
          (1) Hot air valve. The hot air valve is a gate valve with high temperature resistance. Each hot air stove is installed on the hot air short pipe between the hot air outlet and the hot air main pipe, which is used to isolate the hot air stove and the hot air pipeline. Because the hot air valve works at high temperature, it must be cooled, generally water-cooled, but also vaporized cooling.

          為了延長熱風閥的使用壽命,熱風閥除強化冷卻外,還將閥餅鑲襯耐火材料。 (2)燃燒閥。燃燒閥(頂燃式熱風爐)的結構和熱風閥基本相同,只是用途有所區別,安裝在熱風爐燃燒器與煤氣和助燃空氣之間的短管上。主要用于熱風爐送風期使熱風爐和煤氣及助燃空氣管道隔斷。
          In order to prolong the service life of the hot air valve, the hot air valve not only strengthens cooling, but also lining the valve cake with refractory material. (2) Combustion valve. The structure of the combustion valve (top-burning hot blast stove) is basically the same as that of the hot blast valve, but its use is different. It is installed on the short pipe between the burner of the hot blast stove and the gas and combustion-supporting air. It is mainly used for separating the hot blast stove from the gas and combustion-supporting air pipes during the air supply period of the hot blast stove.

          (3)煙道閥。煙道閥一般采用閘板閥,在球式熱風爐上由于受安裝位置的限制,沒計院大多數都設計為“大頭閥”(盤式曲柄閥),主要用于熱風爐送風期(或燜爐時)使熱風爐和煙道隔斷。
          (3) flue valve. The flue valve usually uses gate valve. Because of the limitation of installation position, most of the flue valves are designed as "big head valves" (disc crank valves), which are mainly used to isolate the hot air stove and flue during the air supply period (or baking time) of the hot air stove.

          (4)煤氣切斷閥。煤氣切斷閥一般采用閘板閥,安裝在煤氣管道上,并且足兩個:煤氣燃燒閥(俗稱煤1)、煤氣切斷閥(俗稱煤2),同時在煤1、煤2之間還安裝有煤氣放散管和放散閥,主要用于熱風爐在送風期使熱風爐和煤氣管道徹底隔斷。為了確保安全,除采用煤1、煤2雙重隔斷外,停止燒爐后還把煤1、煤2之間管道內的煤氣放散閥打開,確保安全。
          (4) Gas shutoff valve. Gas shut-off valves generally use gate valves, installed in the gas pipeline, and there are two: gas combustion valve (commonly known as coal 1), gas shut-off valve (commonly known as coal 2), at the same time between coal 1 and coal 2, there are also installed gas release pipe and release valve, mainly used for hot air stove in the supply period to completely cut off the hot air stove and gas pipeline. In order to ensure safety, besides the double partition of coal 1 and coal 2, the gas release valve in the pipeline between coal 1 and coal 2 is opened after stopping burning to ensure safety.

          (5)空氣切斷閥。安裝在與燃燒器連接的助燃空氣管道上,主要用于熱風爐停止燒爐后使熱風爐和助燃空氣管道隔斷。
          (5) Air shutoff valve. The utility model is installed on the combustion-supporting air pipeline connected with the burner, which is mainly used for separating the hot blast stove and the combustion-supporting air pipeline after the stopping of the hot blast stove.

          (6)煤氣調節閥。安裝在與燃燒器連接的煤氣支管上,該閥電動控制。當煤氣燃燒閥和煤氣切斷閥全開后,通過調節閥來調節熱風爐在燃燒期的煤氣量。
          (6) Gas regulating valve. The valve is installed on the gas branch pipe connected with the burner and is electrically controlled. When the gas burning valve and the gas cutting off valve are fully opened, the gas quantity of the hot blast stove during the combustion period is adjusted by adjusting the valve.

          (7)空氣調節閥。安設在與燃燒器連接的助燃空氣管道上,該閥電動控制。用以調節熱風爐燃燒時所需的助燃空氣量。
          (7) Air-conditioning valves. The valve is mounted on the combustion-supporting air pipe connected with the burner and is electrically controlled. It is used to regulate the amount of combustion-supporting air needed for hot blast stove combustion.

          自動燃燒的熱風爐,可根據燒爐所需的煤氣量和空氣量,通過煤氣調節閥和空氣調節閥進行自動調節。
          The hot blast stove with automatic combustion can be adjusted automatically by gas regulating valve and air regulating valve according to the gas and air quantity required by the stove.

          (8)混風調節閥。安裝在冷風管道與熱風管道的連接管上,它與一臺切斷閥(又叫冷風大閘)配套使用,用來調節風溫。在風溫選擇自動控制時,該閥由電動控制自動進行調節,它的作用是保持風溫穩定或降低風溫時向熱風管道內加入一定量的冷風,以使送風溫度保持不變或必要的降低。
          (8) Mixed air regulating valve. Installed on the connecting pipe between the cold air pipeline and the hot air pipeline, it is matched with a cut-off valve (also known as the cold air gate) to regulate the air temperature. In the automatic control of air temperature selection, the valve is automatically regulated by electric control. Its function is to add a certain amount of cold air to the hot air pipeline to keep the air temperature stable or reduce the air temperature, so as to keep the supply air temperature unchanged or necessary to reduce.

          (9)冷風大閘。冷風大閘是安裝在靠近熱風總管的混風管道上,是切斷熱風總管和冷風管道連通的閥門。另-個作用是:避免當冷風管道內壓力降低時熱風(倒流時則是煤氣)進入冷風管道。冷風大閘由于長期接觸高溫,采用與熱風閥一致的結構并進行水冷。
          (9) Cold air gate. The cold air gate is installed on the mixing duct near the hot air main pipe, and is a valve to cut off the connection between the hot air main pipe and the cold air pipeline. Another function is to avoid the hot air (gas) entering the cold air pipeline when the pressure in the cold air pipeline decreases. Because of long-term contact with high temperature, the cold air gate adopts the same structure as the hot air valve and carries out water cooling.

          (10)倒流閥。高爐以前都是通過燒熱的熱風爐倒流休風,這既不安全,又易損壞熱風爐高溫區砌磚和堵塞蓄熱室格孔。20世紀60年代出現了專門用于休風倒流高爐殘余煤氣的倒流休風管,倒流體風管前安裝的耐高溫閘板閥就稱作倒流休風閥(簡稱倒流閥)。平時關閉,休風時打開。
          (10) Backflow valve. Blast furnaces used to be backflow through hot stoves, which is not only unsafe, but also easy to damage bricklaying in high temperature zone of hot stoves and plugging the grid holes of regenerator. In the 1960s, there appeared a backflow stopper pipe specially for the residual gas of blast furnace. The high-temperature gate valve installed before the backflow stopper pipe is called the backflow stopper valve (referred to as the backflow stopper valve). Turn it off at ordinary times and turn it on at rest.

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