Mvr Roots Type Steam Compressor for Waste Water Treatment

Mvr Roots Type Steam Compressor for Waste Water Treatment

We make all sorts of roots blower, centrifugal blower, Our Principal items are as beneath:

Sort Diameter Rate of flow Strain
ESR-MJ(Intense Variety) Φ50~Φ300mm .5~140m³/min 9.8KPa~98.8Kpa
ESR(Regular Kind) Φ50~Φ350mm .5~140m³/min 9.8KPa~78.4Kpa
ESR-H(Higher-pressure Kind) Φ50~Φ350mm .7~160m³/min fifty eight.8KPa~ninety eight.8Kpa
ESR-V(Vacuum Pump) Φ50~Φ350mm .five~160m³/min 9.8KPa~fifty three.3Kpa
EL Sequence Φ200~Φ600mm 20.three~750m³/min 9.8KPa~fifty eight.8Kpa
Multistage Centrifugal Blower
or C-Collection
Φ250~Φ500mm fifty~500m³/min nine.8KPa~98Kpa
ERR-ERG Type Φ250~Φ500mm 120~420m³/min nine.8KPa~ninety eight.8Kpa

The doing work principle of the 3-blade roots blower: two a few-lobed rotors are organized in the cavity, and the
suction port and the discharge port are opened on equally sides of the cavity. By means of the action of a pair of
synchronous gears, the two rotors rotate in reverse directions and Relying on the mutual engagement of the two
rotors, the suction port and the discharge port are isolated, and the gasoline in the chamber is pushed to achieve the
goal of blowing.

Characteristic of our roots blower:
one. Huge adjustment of the air volume
two. Lower Noise
three. Large efficiency
four. Low strength cosumption
five. Lengthy time life
6. Dependable operating, simple routine maintenance,modest footprint

The parameters of our roots blower:

Type Ratary Speed
Stress Increase
Shaft Electricity
Motor Device Maximn
ESR-50 1100-2120 nine.eight-58.eight .sixty five-two.fifty eight .3-three.54 .75-4 128-158
ESR-sixty five 1100-2130 nine.8-fifty eight.eight .ninety four-3.sixty six .38-four.forty six .seventy five-five.5 one hundred fifty five-185
ESR-eighty 1140-1900 nine.eight-fifty eight.8 two.34-five.43 one.04-seven.42 two.two-11 a hundred and fifty five-277
ESR-one hundred 1060-1980 9.eight-58.8 4.57-nine.05 1.35-12.fifteen three-15 309-377
ESR-a hundred twenty five 980-1850 nine.8-fifty eight.8 five.35-12.four one.65-5.19 five.five-eighteen.five 408-451
ESR-125C 970-1830 9.8-58.eight seven.five-17.fifty seven 3.two-eighteen.5 four-22 408-451
ESR-a hundred and fifty 810-1730 9.eight-fifty eight.eight ten.37-27.fifteen 3.84-forty.eighty two 7.5-forty five 688-848
ESR-175 970-1520 nine.eight-58.8 19.65-36.65 seven.2-forty five.95 eleven-55 980-1080
ESR-200B 740-1450 9.eight-58.eight 19.65-forty four.8 ten.fifteen-60.44 15-75 1272-1546
ESR-two hundred 810-1480 nine.eight-fifty eight.eight 27.65-fifty nine.2 eight.05-80,12 15-90 1272-1546
ESR-250B 1100-1480 nine.8-58.eight fifty four.77-77.55 19.ninety seven-90.97 thirty-a hundred and ten 1490-2454
ESR-250 990-1480 9.8-fifty eight.8 61.4-97.52 twenty.1-117.3 thirty-132 1490-2454
ESR-three hundred 990-1480 9.eight-58.8 87.1-138.1 26.4-167.8 37-185 3326-3446
ESR-350 730-1480 9.eight-fifty eight.eight seventy eight.41-177.31   fifty five-250  
ESR-50H 1230-2120 eight .forty five-2.02 2.05-6.12 3-7.five one hundred sixty–one hundred seventy
ESR-65H 1240-2130 sixty three.7-ninety eight .seventy eight-two.53 two.89-7.55 4-eleven 198-230
ESR-80H 1140-1900 sixty 1.82-4.55 four.09-ten.1 5.five-15 316-326
ESR-100H 1060-1980 63.7-ninety eight two.65-8.06 six.36-seventeen.2 7.five-22 398-459
ESR-125H 980-1850 sixty eight 4.sixty four-11.23 8.ninety two-24.2 eleven-30 544-630
ESR-150H 810-1730 sixty 9.53-twenty five.seventy six seventeen.sixteen-sixty five eighteen.5-75 752-1571
ESR-200H 810-1480 sixty three.7-ninety eight 25.34-fifty six.ninety two 42.34-120 fifty five-132 1426-1934
ESR-250H 990-1480 sixty eight 58-ninety three.7 eighty three.2-205 90-220 2980-3468
ESR300H 990-1480 sixty 114.7-270 132-280 3476-3998
ERF-245 650-980 nine.eight-ninety eight forty seven.five-97.four sixteen-183 eighteen.five-200 3630-3690
ERF-250 650-980 9.8-98 sixty one.six-120.four 19-227 22-250 4450-4500
ERF-290 650-980 9.8-78.four ninety two.three-128 22-213 thirty-250 4890-4710
ERF-295 650-980 9.8-78.four ninety seven.three-152.five 23-227 30-250 4890-4880
ERF-297 650-980 nine.8-seventy eight.4 87.five-167.6 26-249 thirty-280 5330-5520
ERF-three hundred 650-980 9.eight-78.four 101.5-188.7 29-278 37-315 5330-5520
ERF-350 650-980 9.8-78.four 126-224.9 34-249 forty five-280 5210-6470
ERG-300 590-730 nine.8-98 128.three-196 38-362 45-400 9440-15710
ERG-350 590-730 9.eight-ninety eight 159.3-231.six forty three-420 55-450 9700-1571
ERG-400 590-730 nine.eight-eighty three.3 203.1-290.9 52-449 seventy five-500 10090-11390
ERG-445 590-730 9.eight-73.5 229.7-327.eight fifty eight-477 75-560 10600-12230
ERG-450 590-730 nine.8-73.five 262.four-366.two 64-496 seventy five-560 10600-12230
ERG-five hundred 590-730 327.4-452.4 seventy eight-529 ninety-560 12790-14620
ERF-240-V 650-980 -nine.eight- -49 38.1-seventy eight thirteen-seventy six 18.5-ninety 3420-3285
ERF-245-V 650-980 -9.8- -49 47.five-ninety seven.four sixteen-ninety five 22-a hundred and ten 3425-3360
ERF-250-V 650-980 -nine.eight- -49 63-one hundred twenty 19-117 22-132 3910-3830
ERF-290-V 650-980 -9.8- -forty nine 72.6-one hundred forty four 22-136 30-a hundred and sixty 4415-4270
ERF-295-V 650-980 -9.8- -49 seventy six.six-152 23-a hundred forty five thirty-160 4425-4485
ERF-297-V 650-980 -9.eight- -forty nine eighty four.three-166.eight 26-a hundred and sixty thirty-a hundred and eighty 5000-4980
ERF-300-V 650-980 -9.eight- -49 97-192 29-178 37-two hundred 5000-4980
ERF-350-V 650-980 -9.8- -49 116-225 34-209 45-250 5400-5700
ERG-300V 590-730 -nine.eight- -forty nine 133-193 38-184 45-220 7800-9100
ERG-350V 590-730 -9.eight- -49 163-231 forty three-216 fifty five-250 9500-9470
ERG-400V 590-730 -9.8- -forty nine 199-290 52-269 75-315 9900-10130
ERG-445V 590-730 -9.eight- -49 224.eight-326.nine fifty eight-303 seventy five-355 9900-10130
ERG-450V 590-730 -9.eight- -49 255-365 64-335 75-four hundred 11230-11300
ERG-500V 590-730 -9.eight- -49 314-452 seventy eight-412 132-450 13630-13850
ERF-245W 650-980 -13.3- -fifty three.3 fifty three.five-one zero one 21.five-102 thirty-a hundred and ten 3630-3360
ERF-250W 650-980 -13.three- -53.3 sixty nine-127 26.5-127 thirty-a hundred and sixty 3985-4115
ERF-290W 650-980 -thirteen.3- -fifty three.three eighty two.six-150 thirty.five-149 37-185 4340-4580
ERF-295W 650-980 -13.three- -53.three 87-158 32-158 37-185 4440-4580
ERF-297W 650-980 -13.3- -fifty three.three 95-174 36-174 45-200 5230-5130
ERF-300W 650-980 -thirteen.three- -53.3 109-195 forty-193 55-220 5230-5130
ERF-350W 650-980 -13.3- -53.3 129-230 fifty-230 seventy five-250 5840-5670
ERG-300W 590-730 -thirteen.three- -53.three 142-197 52-201 75-220 9100-9000
ERF-350W 590-730 -thirteen.3- -53.3 168-234.four fifty nine-235.five seventy five-280 9500-9600
ERG-400W 590-730 -thirteen.3- -fifty three.3 220-276.6 seventy one-292 ninety-315 9900-10130
ERG-445W 590-730 -thirteen.three- -fifty three.three 244-294.6 82-331 90-four hundred 11230-11300
ERG450W 590-730 -13.three- -53.3 275-368.5 91-366 one hundred ten-400 11230-11300
650-980 ninety eight-196 64.8-112 a hundred thirty five-355 160-400 8700-8600
650-980 98-196 80.eight-139 167-439 185-five hundred 9200-9100
650-980 ninety eight-176.four 102-174 206-497 250-560 10320-10500
650-980 98-137.2 124-207 241-473 280-560 10700-11110
ETRG-four hundred
590-740 ninety eight-176.4 205-273 380-773 450-900 21350-24200
590-740 ninety eight-176.4 263-428 476-955 560-a thousand 24200-27600
650-980 -fifty three.three–80 seventy two-121 75.6-121 90-one hundred sixty 6100-6470
650-980 -fifty three.3–80 93.eight-154 99.five-186 one hundred ten-220 7000-6400
(2505/three hundred)
650-980 -fifty three.three–80 116-189 one hundred fifteen-220 132-250 7750-7760
EL81WD 580-980 nine.8-fifty eight.8 fifty four.two-a hundred thirty eighteen-151 forty five-185 3595
EL82WDB 580-980 nine.eight-58.8 72.eight-161 22-191 forty five-220 3860
EL83WDA 580-980 9.8-fifty eight.9 a hundred and one-213 28.5-202 forty five-220 4300
EL84WDA 580-980 nine.8-fifty eight.8 129-267 35.four-252 45-280 4720
EL93WDA 580-730 9.eight-forty nine 230-329 fifty six.four-311 75-355 7765
EL94WDA 580-730 9.8-forty nine 263-373 64-353 75-four hundred 8130
EL95WDA 490-580 nine.8-58.eight 308-434 eighty one.4-414 ninety-450 11500
EL96WDA 580 58.8 381 497 560 11500
E397WN one thousand-1650 40 five-9      
E408WN 870-1650 forty 10-22      
E517WN 980-1580 40 20-thirty      
E520WN 930-1550 forty 24-forty five      
E607WN 750-1250 40 45-76      
E610WN 750-1250 forty seventy five-a hundred thirty      

Spare areas and construction of our roots compressor:

Deal of our Roots CZPT

Pack into iron case, two layer,blower entire body and motor in lower layer, inlet/out silencer and many others in upper layer

Roots blower pack method very same as iron case, just change to Fumigation Cost-free Plywood Scenario

Our factory is a specialist producer of Roots blowers which has above 20 years’ experience in machinery
producing. It is situated in Xihu (West Lake) Dis. CZPT CZPT Park, 50 kilometers to the east of ZheJiang provincial
money— HangZhou. Our firm also has practical targeted traffic transportation, as it is fifteen kilometers absent from
Diaozhen City station of HangZhou-HangZhou expressway, and thirty kilometers absent from CZPT HangZhou station of
ZheJiang -ZheJiang expressway.The major merchandise of our firm is ESR -variety Roots Blower. The roots
vacuum pump is a new sort of high-effectiveness roots blower, which is produced independently dependent on the
domestic and foreign sophisticated technologies. Several patented technologies have been adopted on Roots
Blower, and hence we have produced important consequences in vitality conservation and noise reduction, etc.. So much, our
business has invested much more than 30,000,000 RMB to introduce this kind of advanced professional equipment as
horizontal machining heart, vertical machining center, two-way CNC surface area planer, CNC lathe, CNC milling
equipment, CNC planer, aircraft grinder, cylindrical grinding device, and 3 coordinates testing machine.
In addition to, we have taken different steps to CZPTize the method flow these kinds of as working and cooperating
with many scientific research units, schools and universities at home and overseas. We also continually consider to
soak up and improve the domestic advanced generation systems, so as to advertise the upgrading and
optimization of the item and make the solution quality achieve the superior level at property and overseas.
ESR -kind Roots Blower consists of numerous sequence this sort of as A few-leaves Variety, Two-leaves Type and Centrifugal
Kind,which can be more divided to hundreds of kinds. The items are widely used in sewage treatment method,
pneumatic conveying,vacuum packaging, aquaculture, food processing, electric electricity, petrochemical, cement,
mining and other industries. Our products have such rewards as low noise, vitality conserving, steady high quality,
and extended support life, and so on.. With the sales outlets throughout the domestic money metropolitan areas, our items sell properly all
more than the place, and have been exported to North CZPTica,Russia, Malaysia, Indonesia, Vietnam, South Africa
and some other nations. Having got the ISO9001 CZPT CZPT Program Certification, we have
set up and improved the good quality assurance of the merchandise designing, producing, and installation.
From the method of design, analysis and development to the finished merchandise, we have acquired the complete
procedure managed independently, thus providing the entire basis and trustworthiness ensure for the items balance
and toughness. Possessing a perfect sales network and following-product sales provider, we give our customers with increased-
good quality and much more efficient provider.All personnel of our company sincerely welcome the wide masses of close friends to
manual, and negotiate organization with us.

Our Roots Blower Workshop

         Doosn Horzitonal CZPT Heart

The Application of the Roots Blower

Servicing and inspection
(one) Check out all fasteners and finding pins problems regardless of whether they are loosening.
(two) Constantly verify regardless of whether the leakage phenomenon of the human body.
(3) Pay out attention to lubrication, volume of grease and noises when running,
determine no matter whether it functions under the required conditions.
(4) CZPT & grease: The lubricant is for medium load industrial gear oil
(quality 220, kinematic viscosity of 198 ~ 242mm2 / s 40ºC, flash point ≥ 200ºC)
The grease is butter (synthetic lithium grease penetration 220-250, drop stage ≥
190ºC). Change the lubricant and grease after initial 200 hours running, and change
once again soon after a moth working. Later on, replace the lubricant and grease according to the
setting and lubricant (grease) high quality suggest a ideal substitute for a few
(five) Often check the inlet air filter, clean or substitute the filter in time.
(six) Blower overload at times not immediately shown, so shell out focus to
the consumption and exhaust force, bearing temperature and the present increase developments
of motor to establish whether or not the blower operates generally
(seven) Prior to disassembling the blower, the assembling relation and dimensions
must be recorded or calculated, make marks on components to ensure the CZPT
demands after assembling.
(eight) When recently device or overhaul, the oil tank should be cleaned prior to use
and propose change all grease after eight hours running.

Common failure reason and troubleshooting

No Failure Achievable reasons Elimination approaches
one Friction
among the
(one) Impurities on the impeller,
resulting in the gap is too modest
(two) Gear use, ensuing in a
massive backlash
(3) The gear is not properly fixed,
can not preserve the impeller
(four) Bearing put on ensuing in
clearance increasing.
(one) Eliminate grime and check
no matter whether there is harm components
(2) Modify the equipment hole, substitute
the gears if the gear backlash is
greater than the typical 30% to
(three)Re-assemble the gears, preserve
the taper contact region is to 75%
(four)Substitute the bearing
2 Collision
impeller and
wall, the
impeller top
and casing
(1) Set up gap is not proper
(two) functioning strain is as well
high, exceeding the specified
(3) Functioning temperature is too higher
(4) Casing or base deformation,
positioning supporter failure
(five) Bearing axial place is not excellent
(1) Adjust the gap
(two) Determine leads to of
overloading, lowered the strain
to the specified value
(3) Check the installation
precision and lessen the pipe
(4) Check and restore bearings,
and to ensure the clearance
three Temperature
way too higher
(1) Oil in tank is as well much, as well
thick or way too filthy
(2) CZPT or silencer is blocked
(3)The pressure is increased than
the specified benefit
(four)Excessive use of the
impeller, massive hole
(five)Bad ventilation, indoor
temperature is substantial, ensuing in
inlet air’s high temperature
(6) The rotating pace is also reduced,end result in the belt slipping.
(1)Lessen the oil degree or rely on
(two)Get rid of of blocking objects
(3)Reducing the pressure via
the blower
(4)Restore its clearance
(5)Open vents to reduce area
(six) Boost velocity to avert the
belt slipping.
four Inadequate
(1) The inlet filter is blocked
(2) Impeller dress in and the gap
raises as well significantly
(3) Belt slipping
(four) Huge imports strain loss
(5) CZPT ventilation leakage
(1) Clear the filter dust and
(2) Fix the gap
(three)Tighten the belt and improve
the variety of belts
(4)Adjust the inlet pressure to the
specified benefit
(5) Check and mend the pipeline
five Oil leaking or
oil leaking
into the enclosure
(1)Large tank placement lead to
leakage from the discharge port
(2) Seal put on, ensuing in shaft oil spills
(three) The strain is higher than
the specified worth

(1)Lessen the oil level
(two)Replace the seals
(three)Very clear the air vents, 2mm diameter faucet is fastened in the
middle chamber, open the faucet
beneath the wall
6 Irregular
vibration and
(one)Bearing clearance exceeds the
specified worth or bearing wear
(2) The equipment backlash is way too
large, not in a limited mounted
(three) The overseas objects and dust
caused by the impeller and the
impeller, the impeller and the
housing collision
(four) the impeller shaft
deformation triggered the collision
triggered by overload,
(5) Friction among the impeller
and the inlet housing triggered by
(6) Unbalance of the impeller
triggered by fouling or foreign
entire body
(7) CZPT bolts or other
fasteners are loosened
(1)Substitute bearings or bearing
(two)Reassemble equipment and make certain
(3)Cleansing blower, examine the
situation is ruined
(four)Verify the again stress, examine
the wheel and alter hole
(5)Verify the filter and back
stress, enhance the gap
among the impeller inlet and the
(six)Cleanse the impeller and the
casing, to ensure that the impeller
clearance perform
(seven) Tighten the anchor bolts and
leveling the base.
7 Motor
(one)Compared with the required
stress, the pressure distinction
is huge that the back again pressure or
the inlet force is substantial
(two) In comparison with the
products needs, blower
movement is also massive, so its pressure
will increase
(three)Inlet filter is blocked, or outlet
pipe is obstructed or blocked
(four) Collusion or friction (trapped)
rotating components
(five) The oil stage is also high
(six) Narrow V-belt is overheat,
vibration is way too huge, or pulley
is also little
(one) Lessen the pressure to the
specified value
(2) Exhaust the extra gas into
the atmosphere or lessen the
blower pace
(3) Eliminate the obstructions
(four)Instantly shut down, verify
the purpose
(5) Modify the oil to the appropriate
(six) Check the belt rigidity, and
changed it with huge diameter

Our Support

one. Pre promote service                                                                              2. After sell service                                          
a. recommend the suitable model                                             c. on-line technical support,                                                                                   
b. manufacturing unit tour                                                                              d. total daily life spare parts and techinical assist


12 months gurantee for our roots blowers

Mvr Roots Type Steam Compressor for Waste Water Treatment

Recent Posts