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氣浮機

QTRS系列淺層氣浮機

日期:2023-09-07 15:24:11 訪問次數:1456

QTRS系列淺層氣浮機


QTRS系列淺層氣浮機


QTRS系列淺層氣浮機


QTRS系列淺層氣浮機


高效淺層氣浮裝置是一種先進的氣浮系統,它成功地運用“淺池理論”和“零速”原理進行設計,集凝聚、氣浮、撇渣、沉淀、刮泥于一體,是一種高效節能的水質凈化設備。廣泛用于工業污水處理系統中(如:造紙、食品、電鍍、制革、針織、印染、毛紡、屠宰、石油、化工等),尤其適用于造紙行業中的纖維回收;也可用于給水上,對原水進行預處理(如:除澡、降濁);還可用于生物污泥的濃縮處理。

超效淺層氣浮系統特點
      1、采用“淺層理論”、“零速度理論”和新溶氣機理設計;
      2、停留時間短,僅有3-5分鐘,表面負荷高達9.6-12m/m.h,占地面積??;
      3、池深僅為600-700mm;
      4、出渣含固率可以高達3-5%,懸浮物去除率可達98%,出水懸浮物可低于30mg/l;
      5、強制布水,進出水都是靜態的,微氣泡與絮粒的粘附發生在包括接觸區在內的整個氣浮分離過程;浮渣瞬時清除,隔離排出,水體擾動非常??;
      6、溶氣管設計獨特,體積小,溶氣效率高,溶氣水和藥劑加入點合理選用,保證實現共聚氣浮;
      7、設備輕巧、效率高、穩定性高、便于運輸和安裝;
      8、此產品系我公司吸引國外先進技術、創新開發。


淺層氣浮與傳統氣浮裝置的比較

① 傳統氣浮裝置中,池深一般為2.02.5 m,這是因為設備是靜止的,水體是運動的。水體從反應室進入接觸區時會產生流向的改變和流速的重新分布,即把水流轉變成均勻向上的流動,這就需要有一定的時間和高度來完成這一變化,其高度一般不低于1.5 m。而淺層氣浮由于“零速度”原理的應用,實現了設備是運動的,水體是靜止的,消除了由于水體的擾動對懸浮顆粒與水分離的影響,降低了對高度的要求;另外在傳統氣浮裝置中,難免有泥砂或絮粒沉于池底,為防止帶出池底的泥砂,出水管一般懸高300 mm,而在淺層氣浮裝置中,由于池底設置了刮泥裝置,因此不需設置懸高段。通過以上分析,淺層氣浮裝置的有效水深一般為400500 mm
  ② 傳統氣浮裝置中,水體的停留時間一般控制在1020 min;而淺層氣浮裝置中,停留時間只需23 min。
  ③傳統氣浮裝置中,溶氣系統配備的是溶氣罐,若按溶氣罐的實際容積來計算,其水力停留時間為24 min;而淺層氣浮裝置中,溶氣系統采用的是溶氣管,取消了填料,使溶氣管的容積利用率達100%,其水力停留時間只有1015 s。
  ④ 在傳統氣浮裝置中,刮渣器定期對浮渣層進行清除,無法根據浮渣的浮起時間進行有選擇性的清理,因此不但對水體有較大的擾動,而且浮渣的含水率也較大;在淺層氣浮裝置中,螺旋撇渣器安裝在配水系統的前部,清除的浮渣總是氣浮池內浮起時間最長(23 min)的浮渣,即固液分離最徹底、含水率最小的浮渣。

性能特點

1).有效水深500-600mm

2).池內水力停留時間(3-5min)。

3).凈化量大,即表面負荷高。

4).占地面積小,單位負荷輕,全部預制構件組裝,不需要操作室,設備可以架空安裝,也可多層組合。

5).安裝維修費用低,易于清掃。

6).凈化程度,高懸浮物去除率達90%以上。

適用范圍

該設備廣泛應用于給排水處理工程。用途在給水處理工藝程序中,固液分離技術及其設備是關鍵項目之一。對于比重接近于水的微小懸浮顆粒的去除,氣浮是最有效的方法之一。

第一,應用于湖泊水為水源的自來水除藻降濁;

第二,應用于工業污水處理工程,如煙草、石油化工、紡織、印染、電鍍、制革、食品工業等領域;

第三,應用于污水中有用物質的回收,如:造紙、漿水中的纖維回收等領域。

主要機構

高效淺層氣浮裝置集凝聚、氣浮、撇渣、沉淀、刮泥為一體,整體成圓柱形,結構緊湊,池子較淺。裝置主體由五大部分組成:池體、旋轉布水機構、溶氣釋放機構、框架機構、集水機構等。進水口,出水口與浮渣排出口全部集中在池體中央區域內,布水機構、集水機構、溶氣釋放機構與框架緊密連接在一起,圍繞池體轉動。


(1)Superifical DAF introduction

Our  QTQS Type Superficial DAF is an advanced quick-speed flotation system integrated with flocculation, flotation, skimming and mud scrapping. Based on the traditional flotation theory, we also use the “shallow theory” and “principle of zero speed” successfully. Thus our superficial air flotation is widely applied in waterworks removing alga, varec and other turbic water from nature lake and river; Industrial sewage treatment projects such as petro-chemical, textile, printing and dyeing, electroplating, tanning, food industry and other fields; Recycling useful material in sewage like fibre recovery on paper& pulp industry

(2)Features

※Shallow effective water depth: 750mm~950mm

※Short hydraulic retention time: 5~10min

※Large purification capacity, namely high surface load

※Small footprint, light unit load, all prefabricated assembly, overhead installation or multi-layer combination mounting

※Low cost of installation and maintenance, easy to clean

※High purification degree, algae and other suspended solids removal rate over 90%, thickened sludge concentration can reach 35%

※Our superficial DAF will use GFA Type dissolved air system with its ingenious structure. The GFA dissolved air system has the strong anti-clogging ability.

(3)Structure and its working principle

Air-floated separation technology is a very good way of purifying water from suspend solid by releasing pressed saturated air water to make its generated air micro bubble contacting with suspended floc fully, which will form flotation sludge to be scrapped out of water by its scrapper .

  Our device is an advanced quick-speed floatation system with all flocculation , floatation, skimming , mud scrapping together under successful use of the "shallow theory" and the "principle of zero speed" to gain high efficiency.

  In order to make up shortcomings of the traditional unit, we design raw water inlet and purified water outlet as movable to save bubble floating time of raw water, namely, while raw water is flowing into the tank, the pool pipe water flow opposite way to make raw water in the pool nearly in static condition , by this way, the bubble can float to the surface quickly like SS flotation speed (4-10 minutes) , meanwhile , the purified water can be drained out when its pipe move here. Due to its compact round design with inlet and outlet pipes installed on rotating rack to generate centripetal moving with nearly zero speed , which will make the suspended solid fast floats on original water surface and then been purified within 3 minutes .

   This equipment is cylindrical and compact in structure, including flotation tank, rotating water distributor, dissolved air release system, rotating rack, water collection device, scum skimmer, dissolved air system, reflux pipe, electric cabinet and etc. Inlet, outlet and sludge discharge outlet are all installed on the rotating area where water distributor, water collection device, dissolved air release system are connected to frame closely, rotating around the flotation tank center.This device provides module integrated equipment assembly by adopting both centralized and decentralized control system to realize the best operating condition.

(4)Process flow diagram