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無壓風門
In the coal mine ventilation system, damper is a kind of
common ventilation facilities, plays a very important role
in safety production of coal mine.

煤礦礦井通風系統中,風門是一種常用
的nai) 縞she)施,在煤礦安全(quan)生產中起著非(fei)常
重要的 作用

無壓風門適用于
煤礦井下巷道(dao)任何需(xu)要安cai)she)風門的地點

無壓風門主要用于礦山井下進(jin)回巷和主要進(jin)回風巷之(zhi)間每個聯絡巷中
是目前所有風門的替代品

Non pressure air door is mainly used for underground mine into the back alley
And main return airway in between each contact Lane
Are all door alternatives.
無壓風門
無壓風門

無壓風門是目前我國煤礦井下較(jiao)為(wei)理想的一種zhi)緱牛 饕 糜誑笊驕 陸jin)回風
巷和主要進(jin)回風巷之(zhi)間每個聯絡巷中,它(ta)打破了長期以來老式傳統風門的結構型式,
巧妙地把作用在風門上的風壓通過(guo)平衡結構將其(qi)轉化為(wei)一種內力,充分(fen)顯示出該風
門結構合理。

Non pressure air door is a door of the ideal of underground coal mine in China, mainly used for underground
mine in return airway and main return airway between each connection, it has broken the traditional door
structure for a long time, cleverly to wind pressure on the air door through the balance structure is transformed
into a internal force, fully demonstrated the unique air structure
無壓風門

無壓風門使(shi)用簡單(dan),安全(quan)可靠(kao)等(deng)優點,受到專家和用戶的高
度(du)評價,是目前這些風巷中所用風門的替代品。

Non pressure air door is simple to use, safe and reliable, highly evaluated by
experts and users, is currently used in the airway of an alternative.

無壓風門是由門框、門扇(shan)、連(lian)桿(gan)平衡機構和重錘等(deng)部(bu)分(fen)組(zu)成(cheng)

Non pressure air door is composed of a door frame,
door leaf, connecting rod balancing mechanism and a weight etc
無壓風門 無壓風門

兩扇(shan)風門分(fen)別向兩個方jiao)蚩 簦  guo)連(lian)桿(gan)和支撐(cheng)臂實現聯動(dong)
改變連(lian)桿(gan)長度(du)可以調整(zheng)風門的嚴密度(du)

The two air doors were opened in two directions
To realize linkage through the connecting rod and the support arm
Change the length of the connecting rod can adjust the air tightness
無壓風門
無壓風門

如結構圖所示,兩扇(shan)門A、B通過(guo)支撐(cheng)臂及連(lian)桿(gan)C連(lian)成(cheng)一個整(zheng)體
當A向前運動(dong)時,另(ling)一扇(shan)門B在連(lian)桿(gan)的帶(dai)動(dong)下向後(hou)運動(dong),
這樣打開風門的阻力F只有啟動(dong)風門的氣動(dong)力和重錘的重力,
因為(wei)風壓差(cha)作用在風門A上的力等(deng)于作用在風門B上的力,而兩力通過(guo)連(lian)桿(gan)相互抵(di)消(xiao),故稱為(wei)無壓風門。

If the structure is shown in the picture, the two door A, B are connected into a whole through a supporting arm and a connecting rod C
When the A moves forward, another door B backward movement are driven by a connecting rod,
This opens the throttle resistance F only start aerodynamic force and gravity hammer,
Because the pressure difference at the door A force equal to the force on the door B,
And the two force through the connecting rod to offset each other, it is called a non pressure air door.
無壓風門

因產品生產批次、具體型號(hao)不(bu)同,圖片僅供參考詳情可聯系我們(men)的銷售人員進(jin)行具體核(he)實

Because the production batches, the different models, the picture is for reference only Please contact our sales staff for specific verification 無壓風門
無壓風門 無壓風門 無壓風門 無壓風門

万人射龙门

無壓風門采(cai)用壓力平衡原理,通過(guo)四連(lian)桿(gan)機構及固定在門框上的限位裝置實現兩扇(shan)風門異向同步開閉,風門關閉後(hou)使(shi)兩扇(shan)風門邊(bian)的擋風皮(pi)子嚴密接觸,具有良好的防漏風效果。由于作用在風門上的礦井負壓通過(guo)連(lian) 桿(gan)機構轉化為(wei)一種內力並得到平衡,風門開關力的大小(xiao)取決于重錘的重量(重錘重量一般在10kg~25kg之(zhi)間)從而保證了風門打開時省力、方便 靈活(huo)。如圖2所示,由于兩扇(shan)風門的面積大小(xiao)近(jin)似相等(deng),則作用在兩扇(shan)風門上的礦井負壓也(ye)大小(xiao)相等(deng),即(ji)F1 F2,調整(zheng)連(lian)桿(gan)機構是兩扇(shan)風門緊密接觸,風門處于關閉狀態,則作用于單(dan)扇(shan)上正(zheng)反力矩相等(deng)。

Non pressure air door using the pressure balance principle, the four connecting rod mechanism and fixed on the door frame limiting device to realize the two air doors anisotropic synchronous opening and closing, close the throttle after the two fan door close contact with the skin, anti leakage effect is good. Due to the negative pressure in the air through the connecting rod mechanism into a kind of internal force and get the balance, door switch force depends on the size of the weight of the heavy hammer (hammer weight is generally 10kg ~ 25kg) so as to ensure the door open labor-saving, convenient and flexible. 無壓風門
無壓風門

風門開啟力方面,無壓風門由于每組(zu)風門由兩扇(shan)小(xiao)風門組(zu)成(cheng),在開閉其(qi)中一扇(shan)風門時無論開閉方jiao)蛉綰危 ling)一扇(shan)風門異向開閉,此(ci)時釋(shi)放了壓力,極易開閉,力與(yu)風壓大小(xiao)及方jiao)蛭薰兀歡鮮椒緱琶派shan)笨(ben)重,在巷道(dao)負壓較(jiao)大的情況下很難開啟,需(xu)要4、5人同時方可開啟。

無壓風門
無壓風門
無壓風門

每套無壓風門有兩組(zu)風門組(zu)成(cheng),雙向隔風,無須再設(she)反向風門;老式風門由于受巷道(dao)負壓的影響(xiang),須安cai)she)反風門,以便在風流倒向時使(shi)用,每組(zu)有正(zheng)反兩扇(shan)風門既由兩組(zu)四扇(shan)風門組(zu)成(cheng)。

無壓風門

無壓風門雙面密封,漏風量小(xiao);老式風門有時為(wei)了減少開啟壓力,會(hui)在風門上方安cai)she)小(xiao)風門,這樣增加(jia)了風門的漏風量。

無壓風門
無壓風門
無壓風門

無壓風門系統簡單(dan),堅固耐(nai)用,不(bu)會(hui)在開啟過(guo)程中而損(sun)壞風門;老式風門由于難yan)鑰 羧嗣men)常常用重物撬、板(ban)風門易造成(cheng)風門的損(sun)壞。

無壓風門

無壓風門使(shi)用的壓力平衡原理關閉平穩,安全(quan)可靠(kao);無壓風門每組(zu)風門有兩扇(shan)門打開時斷面積較(jiao)老式風門單(dan)扇(shan)門打開的面積大,容易行人、通車過(guo)料(liao),不(bu)容易踫撞風門,而且老式風門則由于風門壓力大難yan)鑰 羧菀自斐cheng)夾傷行人的事故,安全(quan)性(xing)能較(jiao)無壓風門差(cha)些。

無壓風門
無壓風門
無壓風門

無壓風門的整(zheng)個材料(liao)由鐵制(zhi)品fen)zhi)成(cheng)防火性(xing)能好,能有效阻斷皮(pi)帶(dai)運輸巷可能發生的火災,防止火災及有害氣體進(jin)入其(qi)它(ta)巷道(dao),防腐、防潮性(xing)能也(ye)較(jiao)好,且強度(du)大,不(bu)易變形;老式風門的門腿子由方木做成(cheng),防腐、防潮性(xing)能較(jiao)差(cha),長時間使(shi)用易壞,需(xu)要更換(huan)。

無壓風門

無壓風門在重錘的作用下,兩風門之(zhi)間可實現相互閉鎖,不(bu)易造成(cheng)風流短(duan)路的問題。

無壓風門
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