CS271733B1 - Device for circulated water's pumping and aeration - Google Patents

Device for circulated water's pumping and aeration Download PDF

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Publication number
CS271733B1
CS271733B1 CS884680A CS468088A CS271733B1 CS 271733 B1 CS271733 B1 CS 271733B1 CS 884680 A CS884680 A CS 884680A CS 468088 A CS468088 A CS 468088A CS 271733 B1 CS271733 B1 CS 271733B1
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CS
Czechoslovakia
Prior art keywords
tank
water
aeration
activated sludge
chamber
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CS884680A
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Czech (cs)
Slovak (sk)
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CS468088A1 (en
Inventor
Miroslav Ing Csc Zajdlik
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Zajdlik Miroslav
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Publication date
Application filed by Zajdlik Miroslav filed Critical Zajdlik Miroslav
Priority to CS884680A priority Critical patent/CS271733B1/en
Publication of CS468088A1 publication Critical patent/CS468088A1/en
Publication of CS271733B1 publication Critical patent/CS271733B1/en

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)

Abstract

The device is suitable for the efficient airing of sewage water and even distribution of activated bilge in the required circulation of water in the circulating activated sludge tanks. It consists of a sucking chamber (3) with sucking holes. The chamber is placed in the circulating activated sludge tank (1). In the sucking chamber (3) above the bottom of the tank (1) body there is a circulation pump (5) with an air inlet and with a lifting piping (7). The lifting piping (7) opens into a de-aeration tank (8). The de-aeration tank (8) is equipped with a discharge tubing (9) linked to a separator (10) and then to outlet nozzles (11) of the aired water. The device ensures the efficient transfer of oxygen into the water. The content of the circulating activated sludge tank is evenly aired and its operation is cost-effective and reliable.<IMAGE>

Description

Vynález se týke zariadenia na čerpanie a prevzdušňovania cirkulovanaj vody, vhodného na účinné prevzduáňovania odpadovej vody v obahovaj aktlvačnaj nádrži a rovnoměrné rozptýlania aktivovaného kalu pri požadovanej rýchloeti pohybu vody v nádrži.The invention relates to a device for pumping and aerating circulated water suitable for efficiently aerating waste water in a containment tank and to uniformly disperse the activated sludge at the desired rate of movement of the water in the tank.

Oběhové aktivačně nádrže sa využlvajú na biologické čistenie odpadových vod aktivovaným kalom. Oolažitou podmienkou ich aprávnaj funkcie je dokonalá prevzduáňovania a homoganizácia obsahu nádrže pri zamedzanl aadimantácla aktivovaného kalu. Pra aaráciu a homoganlzáciu obsahu obahovaj aktlvačnaj nádrže sa použivajú rdzne systémy mechanických, alebo pneumatických aarátorov. Výhodná aú aj rožne kombinácie hydropneumatickej aerácla s vodnými a pravzdušňovacimi lnjektorrai. Prevzdušňovacie injaktory sa najčastejšie rozmiestňujú pod hladinou vody v nádrži. Známa aú aj systémy hydropneumatickej aerécie pri * ktorých sa čarpadlom čerpá voda z obahovaj aktlvačnaj nádrže do aerátora, ktorý ja umiestnený nad hladinou vody v nádrži a po pravzdušnani aa vracla zmaa vody ao vzduchovými bublinami rozdalovacím potrubím do výtokovýeh tryslak, ktorá aú vhodná rozmieetnaná pod hladinou vody v obahovaj aktlvačnaj nádrži. Voda aa v tomto případe lapáie obohatí kyalikom, labo jeho převážná část prastúpi zo vzduchových bublin do vody už v eamotnom aarátora. V samotnéj aktlvačnaj nádrži dochádza tiež k přestupu kyalika zo vzduchových bublin do vody, aváak táto část přestupu Je už podstatné menšla (lan niekolko percent) v porovnáni a prastupom kyalika dovody v aamotnom aerátora. Aj pri tomto systéme ja ešte problémom volba vhodného typu čerpadla i aerátora. čerpadlo i aerátor by mail mat Čo najvyššiu účinnost - nizku spotřebu energie a čo nejvyšší afekt prostupu kyalika zo vzduchových bublin do vody. Třeba rozptýlit vzduch do čo najmenšlch bubliniak vo voda pri čo najmsnšej spotřeba energie na čerpanie vody a dodévanie vzduchu.Circulation activation tanks are used for biological treatment of waste water by activated sludge. An important condition of their legal function is the perfect aeration and homogenization of the tank contents while avoiding and reducing the activated sludge. Different mechanical or pneumatic aarator systems are used to prepare and homogenise the contents of the containment tank. Various combinations of hydropneumatic aeration with water and aeration injectors are also advantageous. Aeration injectors are most often located below the water level in the tank. Hydropneumatic aeration systems are also known in which water is pumped from the contents of the tank into the aerator, which is located above the water level in the tank and after aeration, and returned water and air bubbles to the discharge nozzle into the discharge nozzle, water in the containment tank. Water and, in this case, the trap is enriched with cyanobacteria, or most of it enters from the air bubbles into the water already in the eamotar. In the actual tank, there is also a transfer of the acid from the air bubbles into the water, but this part of the transfer is already significantly smaller (a few percent) in comparison and the ingress of the acid in the aerator. Even with this system, it is still a problem to choose the right type of pump and aerator. pump and aerator should mail have the highest efficiency - low energy consumption and the highest affection of leakage of air bubbles from the air bubbles into the water. It is necessary to disperse the air into the smallest bubbles in the water at the minimum consumption of energy for pumping water and supplying air.

Taraz sa zlatilo,’ že vysoká účinnost prevzdušňovania odpadovej vody a rovnoměrné rozptýlania aktivovaného kalu se při požadovanej rýchloeti pohybu vody dosahuje v obehovaj aktlvačnaj nádrži zariadením podle vynálezu. Zariadenie pozoetáva z naeávacej komory s nasávacimi otvormi, umieetnenej v nádrži.It has also been appreciated that high effluent aeration efficiencies and uniform dispersion of activated sludge are attained in the recirculation tank by the device according to the invention at the desired rate of water movement. The device is plowed from a suction chamber with suction openings located in the tank.

Podstata vynálezu apočiva v tom, že v naeávacej komora ja nad dnom telesa nádrže umiestnené cirkulačně čerpadlo e privodom vzduchu a stúpacim potrubím vyúatujúcim do odvzdušňovacaj nádrže. Odvzdušňavacia nádrž Ja opatřená výtokovým potrubím napojeným na rozdělovač a Sálej na výtokové trysky prevzdušnenej vody.SUMMARY OF THE INVENTION The invention is characterized in that a circulation pump e is provided in the suction chamber above the bottom of the tank body by means of an air supply and a riser leading to the breather tank. The breather tank is provided with an outlet pipe connected to a manifold and a sieve for aerated water outlet nozzles.

Využitím zariadenia podlá vynálezu v obahovaj aktlvačnaj nádrži zjednoduší aa v nej procee miešania a prevzdušňovania vody, zniži ea spotřeba energie a zlepši ea přestup kyalika zo vzduchových bublin do vody. Cirkulačně Čerpadlo atúpaclm potrubím a odvzdušňovacou nádržou plni súčasne funkciu účinného prevzdušňovania a čerpanla vody do výtokovýeh tryeiak v obahovaj aktlvačnaj nádrži. Odstránením prevažnej časti vzduchových bublin z okyeličanej vody v odvzdušňovacaj nádrži ea výrazné zlepši rovnoměrnost rozloženia rýchlostl pohybu vody za výtokovýml tryskami v obahovaj aktlvačnaj nédrží, labo z tryeiak už naprúdia do vody vzduchové bubliny, ktoré svojim vzoatupným pohybom sposobujú extrémně zvýšenie horizontálnej rýchlostl prúdenia na hladina vody a škodlivý pokles horizontálnej rýchloeti vo vačších híbkach nad dnom nádrže. Zlepšením .By using the device according to the invention in the containment tank, it simplifies and processes the mixing and aeration of the water, reduces energy consumption and improves the transfer of the acid from the air bubbles to the water. Circulation The pump through the inlet pipe and the venting tank simultaneously performs the function of efficient aeration and pumping of water to the discharge nozzles in the containment tank. By removing the bulk of the air bubbles from the acidified water in the purge tank ea significantly improves the uniformity of the distribution of the velocities of the water movement behind the discharge nozzles in the holding tank. and a detrimental fall in horizontal speed at larger depths above the bottom of the tank. Improving.

rovnoměrnosti rozloženia horizontálnej rýchloeti pohybu vody v obahovaj aktlvačnaj nádrži ea zabráni nsžladúcej sedimentácii aktivovaného kalu a výrazné sa zlepši rovnoměrnost pramisšania vody s aktivovaným kalom.uniformity of distribution of horizontal speed of movement of water in the sludge tank e will prevent the subsequent sedimentation of the activated sludge and the uniformity of the mixing of the water with the activated sludge will be significantly improved.

Zariadenia podlá vynálezu Je konštrukčné jednoduché, účinné a funkčně spolehlivé.The device according to the invention is structurally simple, efficient and functionally reliable.

Zariadenia podlá vynálezu ilustruje, ala naobmedzuja přiklad prevedenia znázorněný na pripojenom výkrese, kde na obr. 1 Je echématicky znázorněný Jej zvialý pozdížny raz a na obr. 2 podorysné usporiadsnis.The device according to the invention illustrates, but is not limited to, the exemplary embodiment shown in the accompanying drawing, in which: FIG. 1 is an echematic representation of its vertical and longitudinal one, and FIG. 2 sub-layout arrangement.

Oběhová aktivačná nádrž pozo9táva z telesa nádrže J. rozdělaného pozdížne uloženou deliacou stanou 2 opatřenou pllierml, ktoré teleso nádrže JL rozdaZuja na dva rovnaké čseti. V deliacaJ atana 2 Ja umiestnaná naaávacia komora 3 opatřená nasávacimi otvormi 4 pre nasávanle čarpanaj vody. V naeávacej komoře 3 Ja nad dnom taleaa nádrže JL umleatnané cirkulačně čerpadlo 5 a privodom vzduchu 6 a ao stúpacim potrubím 7. Stúpacle poCS 271 733 Bl nené cirkulačně čerpadlo IJ e privodom vzduchu 6 e eo etúpaclm potrubím 7. Stúpacle potrubie vyúsťuje do odvzduSnovacej nádrže 8. Na dolnú čaet odvzduSnovacej nádrže 8 je napojená výtokové potrubie 9,’ připojená na rozdělovač 10 e 3alej na výtokové trysky JL1 prevzduSnanen vody.The recirculation activation tank consists of a body of the tank 1 divided by a longitudinally disposed dividing tent 2 provided with a pllierme, which divides the body of the tank 1 into two equal parts. A suction chamber 3 is provided in the separating chamber 2 provided with suction openings 4 for sucking in water. In the priming chamber 3, the circulation pump 5 and the air inlet 6 and the riser 7 are suppressed above the bottom of the tank 11 and the riser 7 is connected with the air inlet 6 eo through the riser 7. The riser duct opens into the exhaust tank 8 An outlet pipe 9 is connected to the lower part of the purge tank 8, connected to a manifold 10 e 3 and further to the outlet nozzles 11 of the water purge.

Privodom vzduchu β ee do cirkulačného čerpadle 5 privádza otlačený vzduch, ktorý vo vodě vytvoří zmee rozptýlených bublin. Zmee vody eo vzduchovými bublinami prúdi z cirkulačného čerpadla 5 etúpaclm potrubím 7 do odvzduSnovacej nádrže 8. V odvzduSňovacaj nádrži B ea z okyellčenej vody odetráni převážná čaet vzduchových bublin. Okyellčená voda prúdi z dolnej Časti odvzduSnovacej nádrže výtokovým potrubím 9 do rozdělovače * 10 a aalej do výtokových tryelek 11.By supplying air β ee to the circulation pump 5, it supplies compressed air, which creates a mixture of dispersed bubbles in the water. The mixture of water and air bubbles flows from the circulation pump 5 through the line 7 to the purge tank 8. In the purge tank B e, the vast majority of air bubbles are removed from the acidified water. The acidified water flows from the lower part of the bleeding tank through the outlet pipe 9 to the distributor 10 and further to the outlet nozzles 11.

Kvalitným provzdušněním vody v clrkulačnom čerpadle 8, etúpecom potrubím 7 e od» vzduSňovacej nádrži 8 ea efektívne umožni přestup kyellka do vody. Rovnoměrným prevzduSňovanim obsahu obehovej ektlvečnej nádrže ea zabezpečí jej spolehlivá funkcia e hospodárná prevádzka.By good aeration of the water in the pump 8, by means of the pipe 7e from the air tank 8 e, it effectively enables the transfer of the acid to the water. By evenly aerating the content of the circulating εlv reservoir ea, its reliable function ensures economical operation.

Claims (1)

PREDMET VYNÁLEZUOBJECT OF THE INVENTION Zariadenia na Čerpenle a prevzduSňovanie olrkulovenej vody, vhodná na prevzduSňovanle odpadovej vody v obehovej ektlvečnej nádrži a rovnoměrná rozptýlenle aktivovaného kalu, pozoetávajúoe z naeávaoej komory e naeávaclmi otvormi, umiestnenej v obehovej ektlvečnej nádrži; vyznačená tým,' že v naeávaoej komoře (3) je nad dnom teleea nádrže (1) umieetnené cirkulačně čerpadlo (8) e privodom vzduohu (6) a eo etúpeolm potrubím (7) vyúetujúclm do odvzduSňovaoej nádrže (8)/ pričom odvzduSň ováde nádrž (8) je opatřená výtokovým potrubím (9) napojeným na rozdělovač (10) a 3alej na výtokové trysky (11) prevzdušnenej vody.Pump and aeration equipment for pumped water, suitable for aeration of sewage in a circulating ectlateral tank and evenly dispersed sludge, flowing from the sewage chamber and through the apertures located in the circulating ectlateral tank; characterized in that a circulation pump (8) is provided above the bottom of the tank body (1) in the boiling chamber (3), with an air supply (6) and a pipeline (7) flowing into the venting tank (8). (8) is provided with an outlet pipe (9) connected to a manifold (10) and 3 on to the outlet nozzles (11) of aerated water.
CS884680A 1988-06-30 1988-06-30 Device for circulated water's pumping and aeration CS271733B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS884680A CS271733B1 (en) 1988-06-30 1988-06-30 Device for circulated water's pumping and aeration

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CS884680A CS271733B1 (en) 1988-06-30 1988-06-30 Device for circulated water's pumping and aeration

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CS271733B1 true CS271733B1 (en) 1990-11-14

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