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Stainless steel QJB submersible mixer for sewage plant

QJB Series Submersible Mixer / FQJB Series Floating Submersible Mixer

Product Introduction:

QJB Series Submersible Mixer can be divided into two types : mixing and Agitating series , low-speed flow Propeller series. Mixing and Agitating series Submersible Mixer Suits for stirring liquids containing suspended solids in sewage treatment plants and industrial processes;

Low-speed flow Propeller series Suits for aeration tanks in industrial and urban sewage treatment plants, which generate strong water flow with low tangential flow, which can be used for circulation and nitrification, denitrification and create water flow for phosphorus removal , etc.

FQJB Series Floating Submersible Mixer

FQJB Series Floating Submersible Mixer Restructured on the basis of QJB series submersible mixer, adding a stainless steel buoy, the specific selection is implemented in accordance with the QJB series submersible mixer.

product details

Video

Conditions Of Application

In order to ensure the normal operation of the submersible mixer,please make correct selection of the operating environment .

1.The highest temperature of the medium shall not exceed 40℃

2.The scope of pH value of the medium:5~9

3.Medium density of not more than 1150 kg/m³

4.Diving depth in general not more than 20 m when at the long-term diving operation.

Key matters need attention

The submersible mixer must completely submerse in the water and cannot operate in the inflammable,explosive, highly corrosive and high-temperature environment

The steel expansion bolts must be fixed as required, and the cables must be tightened and fixed after installation. All use polyurethane impeller, helical gearbox reducer.

Characteristics

1 . Compact structure, simple operation and maintenance, convenient installation and maintenance, and long service life;

2. The impeller has a reasonable hydraulic design structure, high working efficiency, and the swept-back blade has a self-cleaning function, which can prevent debris from being entangled and blocked;

3. Mixed use with aeration system can greatly reduce energy consumption, significantly increase oxygenation, and effectively prevent precipitation;

4. The motor winding insulation grade is F, the protection grade is IP68, and NSK/SKF bearings are used. The motor can be equipped with an anti-condensation device. The motor uses an over-temperature protection device to make the motor work more reliably;

5. Two mechanical seals; the mechanical seal is sealed with tungsten carbide material, and the rubber material is fluorine rubber

Model of Model Denotation

Performance parameters

The mixer operates under the conditions of rated voltage 380V, frequency 50Hz, winding insulation grade F, protection grade IP68, and working standard I.

	Model	Power （kW）	Current（A）	Impeller diameter （mm）	Impeller Speed （r/min）	Thrust （N）	Weight （kg）	Install system
Cast mixer	QJB0.85/8-260/3-740/C/S	0.85	3.2	260	740	163	65	System I
	QJB1.5/6-260/3-980/C/S	1.5	4	260	980	290	65	System I
	QJB2.2/8-320/3-740/C/S	2.2	5.9	320	740	582	70	System I
	QJB4/6-320/3-960/C/S	4	10.3	320	960	609	70	System I
	QJB5.5/8-640/3-232/C/S	5.5	13.5	640	232	1800	230	System Ⅱ
	QJB7.5/6-640/3-303/C/S	7.5	17.5	640	303	2600	275	System Ⅱ
	QJB11/6-790/3-303/C/S	11	25.4	790	303	2900	200	System II/III
	QJB15/6-790/3-368/C/S	15	34.5	790	368	3540	270	System II/III
Stamping mixer	QJB0.37/6-230/3-980/C/S	0.37	2.5	230	980	138	30	System I/II
	QJB0.55/4-230/3-1400	0.55	2.5	230	1450	145	30	System I/II
	QJB0.85/8-260/3-740/C	0.85	4	260	740	163	55	System II/II
	QJB1.5/6-260/3-980/C	1.5	4	260	980	290	55	System II/II
	QJB1.5/8-400/3-740/S	1.5	5.4	400	740	600	78	System I
	QJB2.5/8-400/3-740/S	2.5	9	400	740	800	80	System I
	QJB3/8-400/3-740/S	3	11	400	740	920	90	System Ⅱ
	QJB4/6-400/3-980/S	4	12	400	980	1200	95	System Ⅱ
	QJB4/12-620/3-480/S	4	14	620	480	1400	230	System III
	QJB5/12-620/3-480/S	5	18.2 27	620	480	1800	230	System II
	QJB7.5/12-620/3-480/S	7.5	18.2 27	620	480	2600	275	System II
	QJB10/12-620/3-480/S	10	32	620	480	3300	260	System III
	QJB15/12-620/3-480/S	15	34	620	480	3460	275	System II
	QJB18.5/12-620/3-480/S	18.5	41	620	480	4200	290	System II
	QJB22/12-620/3-480/S	22	47	620	480	5400	310	System II
Low speed push flow mixer	QJB1.5/4-1100/2-85/P	1.5	4	1100	85	860	170	System IV
	QJB1.5/4-1400/2-36/P	1.5	4	1400	36	860	175	System IV
	QJB1.5/4-1800/2-42/P	1.5	4	1800	42	1480	236	System IV
	QJB2.2/4-1400/2-42/P	2.2	5.3	1400	48	1430	180	System IV
	QJB2.2/4-1800/2-42P	2.2	5.3	1800	42	1100	185	System IV
	QJB3/4-1100/2-115P	3	6.8	1100	115	1500	175	System IV
	QJB3/4-1400/2-56P	3	6.8	1400	63	1870	183	System IV
	QJB3/4-1800/2-56P	3	6.8	1800	56	2040	186	System IV
	QJB4/4-1400/2-56P	4	9.2	1800	56	2150	170	System IV
	QJB4/4-1800/2-63P	4	9.2	1800	63	2710	190	System IV
	QJB4/4-2500/2-42P	4	9.2	2500	42	3200	220	System IV
	QJB5/4-1800/2-63P	5	11.9	1800	63	3320	200	System IV
	QJB5/4-2500/2-56P	5	11.9	2500	56	3840	240	System IV
	QJB7.5/4-1800/2-63P	7.5	15.2	2500	63	4010	260	System IV
	QJB7.5/4-2500/2-63P	7.5	15.2	2500	63	4280	280	System IV

Installation method and size

Submersible mixers can be installed in a variety of ways,Here are more general ways to choose from,Please refer to the table below for dimensions.Our company can also make special designs according to user requirements.

Device model	a	D	b	L	H1min	H2min	Install system
QJB0.85/8-260/3-740/C/S	φ60□50	360	250/330	529/630	500	110	I/II
QJB1.5/6-260/3-960/C/S	φ60□50	360	250/330	529/630	500	110	I/II
QJB2.2/8-320/3-740/C/S	□70	460	320	970	800	150	II
QJB4/6-320/3-960/C/S	□70	460	320	970	800	150	II
QJB0.37/4-230/3-980/S	φ60□40	360	250/330	610/620	500	110	I/II
QJB0.55/4-230/3-1450/S	φ60□40	360	250/330	610/620	500	110	I/II
QJB0.85/8-260/3-740/S	φ60□50	360	250/330	580/740	500	110	I/II
QJB1.5/6-260/3-980/S	φ60□50	360	250/330	580/740	500	110	I/II
QJB1.5/8-400/3-740	□70	530	300	940	800	200	II
QJB2.5/8-400/3-740	□70	530	300	940	800	200	II
QJB3/8-400/3-740	□70	530	300	940	800	200	II
QJB4/6-400/3-980	□70	530	300	940	800	200	II
QJB4/12-620/3-480	□100	820	320	1190	1100	300	II
QJB5/12-620/3-480	□100	820	320	1190	1100	300	II
QJB7.5/12-620/3-480	□100	820	320	1200	1500	300	II
QJB10/12-620/3-480	□100	820	320	1200	1500	300	II
QJB11/12-620/3-480	□100	820	320	1200	1500	300	II
QJB15/12-620/3-480	□100	820	320	1250	1500	300	II
QJB18.5/12-620/3-480/S	□100	820	320	1380	1500	300	II
QJB22/12-620/3-480	□100	820	320	1380	1500	300	II
QJB1.5/4-1100/2-43/P/G	□100	1100	150	1100	1000	280	II
QJB2.2/4-1100/2-52/P/G	□100	1100	150	1100	1000	280	II
QJB3/4-1100/2-87/P/G	□100	1100	150	1100	1000	280	II
QJB4/4-1100/2-115/P	□100	1100	150	1100	1000	280	II
QJB2.2/4-1400/2-43/P	□100	1400	150	1100	750	280	II
QJB3/4-1400/2-63/P/G	□100	1400	150	1100	750	280	II
QJB4/4-1400/2-87/P/G	□100	1400	150	1100	750	280	II
QJB2.2/4-1600/2-38/P/G	□100	1600	150	1100	800	280	II
QJB3/4-1600/2-43/P/G	□100	1600	150	1100	800	280	II
QJB4/4-1600/2-52/P/G	□100	1600	150	1100	800	280	II
QJB2.2/4-1800/2-38/P/G	□100	1800	150	1100	800	280	II
QJB3/4-1800/2-43/P/G	□100	1800	150	1100	800	280	II
QJB4/4-1800/2-52/P/G	□100	1800	150	1100	800	280	II
QJB5/4-1800/2-63/P/G	□100	1800	150	1100	800	280	II
QJB2.2/4-2200/2-34/P/G	□100	2200	150	1200	900	280	II
QJB3/4-2200/2-38/P/G	□100	2200	150	1200	900	280	II
QJB4/4-2200/2-43/P/G	□100	2200	150	1200	900	280	II
QJB5/4-2200/2-52/P/G	□100	2200	150	1200	900	280	II
QJB2.2/4-2500/2-34/P/G	□100	2500	150	1200	900	280	II
QJB3/4-2500/2-38/P/G	□100	2500	150	1200	900	280	II
QJB4/4-2500/2-43/P/G	□100	2500	150	1200	900	280	II
QJB5/4-2500/2-45/P/G	□100	2500	150	1200	900	280	II
QJB4/4-1600/3-43/P/G	□100	1600	150	1100	800	280	II
QJB5/4-1600/3-52/P/G	□100	1600	150	1100	800	280	II
QJB4/4-1800/3-43/P/G	□100	1800	150	1100	800	280	II
QJB5/4-1800/3-52/P/G	□100	1800	150	1100	800	280	II
QJB7.5/4-1800/3-52/P/G	□100	1800	150	1100	800	280	II
QJB4/4-2500/3-38/P/G	□100	2500	150	1200	900	280	II
QJB5/4-2500/3-43/P/G	□100	2500	150	1200	900	280	II
QJB7.5/4-2500/3-52/P/G	□100	2500	150	1200	900	280	II