Bqs Bqw Flameproof Submersible Sewage Slurry Pump - Chinaprice: contact company for price
Comprehensive optimized and innovative designed in the aspects of hydraulic
model, sealing technology, mechanical structure and protection control.
Compared with domestic products, this product has the advantages of safe&
reliable, portable& practical, good sewage flushing performance, long serving
life and so on. The whole series products are featured for reasonable spectrum
and convenient lectotype.
Model screening: optimized performance, double channel impeller, stable
operation without clogging, strong sewage flushing ability. Pump has the
property of no overload( full head) , which means the input power will never
surpass the matched motor power in any working condition. It applies to any
coal mine occasions, also can be multiple used.
Mechanical seal reforming: adopts independent serial mechanical seal and
double- end mechanical seal.
Structural optimization: structure design is good for mechanical sealing,
smooth operation, higher reliability; optimal design, more portable and
practical, low energy consumption. Long- time running in anhydrous state.
IPX8 motor protection class, good submersible motor cooling effect, lower
temperature rise than ordinary motor, further improved durability, F class
insulation to improve motor serving life.
Suitable for coal mine places contains methane( commonly known as gas) and
coal dust with explosion danger, transportation for the mixed sewage contains
the insoluble solids centents like silt, slurry, gangue, cinder, and fiber.
Which can also be used for construcntion of building and bridge, sewage
discharge for hospital, resident area, public engineering, and road traffic,
transportation for sewage contains solid particles, waste water with long
fiber, and rainwater in small sewage treatment.
1. Power: 380V or 660V, 1140V three- phase, 50HZ.
2. Medium temperature: usually â‰¦400C, PH: 5- 9, medium densityâ‰¤11N/ m3
3, Make the center of impeller as base, underwater depth no more than 3m.
4. Unsuitable for strong corrosivity fluid.
5, Diameter of solid in the medium should meet the standard of MT/ T671- 2005.
6, MT818.5- 1999 coal mine used fire- residant cable.
1, Pump impeller
On the basis of testing, carefully choose and match the pump body and impeller
to realize non- clogging, high efficiency, flat power curve, and non-
overloading. The impeller is balance and precise, with small vibration and
Specially designed submersible motor, IPx8 protection, F grade insulation
allows high temperatrue rise. In normal temperature rise condition, the motor
insulation life prolonged. While, the diving makes coolling effect good, the
actual temperature rise low, thus the motor insulation life is much longer.
3, Motor cooling
The motor dispatches heat through shell, if only the medium submerged half of
the sub- shell, the motor can run stablly and safely. The more the sub- shell
is submerged, the better for motor cooling. The mechanical seal is series
type. There is a new type of double- end mechanical seal and pump adopts
sandwich strong cooling structure, which is our companyâ€™s patent. At the
first mechanical seal, make the medium decompression to cool the motor, thus
the motor can be idle running and always keep the motor temperature rise below
40â„ƒ, greatly improves the machineâ€™s serivice life. Suitable for the
shallow water occasion, the pump can be idle running for a long time without
water. Can be used in an unattended environment, save the labor cost.
4, Shaft seal
The shaft seal of motor adopts two independent series mechanical seal to form
2 reliable sealing line. The first sealing line is in the pump medium, the
sealing surface will be more tight with the increasing of medium pressure,
which effectively prevent water entering the oil chamber. The send sealing
line lies in the oil chamber to prevent oil entering the motor. If the first
line failed( its working condition is worse than the second) , the second line
still can prevent water and oil entering the motor. Bellow type mechanical
seal matched with innovative structure cavity, which greatly improve the
reliability of the shaft seal. Under the normal working condition, it will
work without failure for more than 2000h.
5. The oil chamber
The oil chamber is a barrier to prevent the medium entering the motor. If the
first mechanical seal leaked, the oil chamber will buffer and prevent medium
entering the motor. Lubricating and coolling the 2 independent mechanical
sealsâ€™ friction surface at the same time to make the mechanical seal work
more stable. Besides, it can also takes away some heat of the lower bearing
The lower part of the double row angular touches the bearing to generate
strong carrying capacity, forms the reliable support for the motor pump shaft
with the upper deep groove bearing, produces radial force, axial force and
other forces to pump during working. Have larger load margin to ensure the
unit work stable and serve a long time.
7, Cable and itâ€™s seal
( 1. ) Adopts MT818.5- 1999 coal mine used fire- residant cable, cable core
section designed according to the condition of 40â„ƒ environmental temperature
and the motor works stable and long- term with full load power. During
working, if the motor is not full load power and the environmental temperature
is below 40â„ƒ, its serve life will be longer.
( 2) There is seal between the cable rubber sleeve and motor cover to press
tight, which prevent the medium infiltrating the motor through the interface
of cable and motor cover.
8 The motor casting, upper cover, lower cover and other parts make up the
motor shell. All the connection of the parts have reliable static seal. Each
has been checked strictly by water pressure test to ensure there is no leakage
and perfectly safe.
9, Special handle
Set special handle for easy moving. Absolutely forbidden pulling cable( or use
as string) when moving, thus the seal between cable and motor cover will be
loose and results in water enter the motor. Even after pressed and fixed the
cable onto the handle, pulling the cable to move the sewage and sand
submersible pump is also forbidden.
- Phone: 8637186560516
- Address: No. 171, Zhongyuan Middle Road, Zhongyuan Dist., Z, Zhengzhou, China
- Website: http://www.chinadragonpump.com
Published date: March 16, 2016 -
- Business Description: Dragon Dream Pump covers an area of more than 100mu, has equipment of more than 300 sets. Besides, it has a computer pump comprehensive testing center which reaches the national standard B level. With the advantages of high quality, high efficiency, energy saving, safe, reliable, and reasonable price, our company s Dragon Dream brand pumps are deeply favored by users and sole well in abroad markets. Covers various industry and fields of construction, environmental protection, electric, water supply, heating ventilation, mining, metallurgy, oil, chemical, medical, food, paper-making, agricultural irrigation and so on, Dragon Dream company has always provided equipment for national key projects for a long time.
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