High Efficiency Low Energy Roots Vacuum Pump for Biogas Transport

High Efficiency Low Energy Roots Vacuum Pump for Biogas Transport

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

Variety Diameter Charge of movement Pressure
ESR-MJ(Intense Variety) Φ50~Φ300mm .5~140m³/min 9.8KPa~ninety eight.8Kpa
ESR(Regular Sort) Φ50~Φ350mm .5~140m³/min nine.8KPa~78.4Kpa
ESR-H(Substantial-pressure Type) Φ50~Φ350mm .7~160m³/min 58.8KPa~98.8Kpa
ESR-V(Vacuum Pump) Φ50~Φ350mm .5~160m³/min nine.8KPa~53.3Kpa
EL Sequence Φ200~Φ600mm twenty.three~750m³/min 9.8KPa~fifty eight.8Kpa
Multistage Centrifugal Blower
or C-Collection
Φ250~Φ500mm fifty~500m³/min 9.8KPa~98Kpa
ERR-ERG Type Φ250~Φ500mm a hundred and twenty~420m³/min nine.8KPa~ninety eight.8Kpa

The operating theory of the a few-blade roots blower: two three-lobed rotors are arranged in the cavity, and the
suction port and the discharge port are opened on both sides of the cavity. By way of the motion of a pair of
synchronous gears, the two rotors rotate in opposite instructions and Relying on the mutual engagement of the two
rotors, the suction port and the discharge port are isolated, and the gas in the chamber is pushed to achieve the
purpose of blowing.

Characteristic of our roots blower:
1. Large adjustment of the air quantity
two. Reduced Sound
three. Higher efficiency
four. Reduced power cosumption
5. Long time lifestyle
6. Reputable running, effortless servicing,modest footprint

The parameters of our roots blower:

Type Ratary Pace
Pressure Increase
Shaft Electrical power
Motor Device Maximn
ESR-50 1100-2120 nine.8-58.8 .sixty five-two.58 .three-3.fifty four .75-4 128-158
ESR-65 1100-2130 9.eight-58.8 .94-three.66 .38-4.forty six .75-five.5 155-185
ESR-80 1140-1900 9.eight-58.eight 2.34-5.forty three one.04-7.forty two two.two-11 one hundred fifty five-277
ESR-a hundred 1060-1980 nine.eight-fifty eight.8 four.fifty seven-9.05 one.35-twelve.fifteen 3-fifteen 309-377
ESR-125 980-1850 9.8-fifty eight.8 5.35-12.4 one.sixty five-five.19 5.five-eighteen.5 408-451
ESR-125C 970-1830 nine.eight-fifty eight.8 seven.5-seventeen.fifty seven three.2-18.five four-22 408-451
ESR-150 810-1730 nine.8-58.eight ten.37-27.fifteen 3.eighty four-40.eighty two seven.five-forty five 688-848
ESR-175 970-1520 9.eight-fifty eight.8 19.sixty five-36.65 seven.2-forty five.95 11-55 980-1080
ESR-200B 740-1450 nine.8-fifty eight.8 19.65-forty four.eight 10.fifteen-60.forty four 15-seventy five 1272-1546
ESR-200 810-1480 nine.eight-fifty eight.eight 27.65-fifty nine.two 8.05-eighty,12 fifteen-ninety 1272-1546
ESR-250B 1100-1480 nine.eight-58.8 fifty four.seventy seven-77.fifty five 19.ninety seven-90.ninety seven thirty-one hundred ten 1490-2454
ESR-250 990-1480 nine.eight-58.8 sixty one.4-ninety seven.52 twenty.one-117.3 thirty-132 1490-2454
ESR-three hundred 990-1480 nine.eight-fifty eight.eight 87.1-138.1 26.4-167.8 37-185 3326-3446
ESR-350 730-1480 9.8-58.8 seventy eight.forty one-177.31   fifty five-250  
ESR-50H 1230-2120 sixty three.7-98 .forty five-two.02 2.05-6.twelve three-7.five a hundred and sixty–a hundred and seventy
ESR-65H 1240-2130 63.7-98 .seventy eight-two.53 2.89-7.55 four-eleven 198-230
ESR-80H 1140-1900 63.7-98 one.eighty two-4.55 four.09-10.1 five.five-fifteen 316-326
ESR-100H 1060-1980 sixty three.7-98 two.sixty five-eight.06 six.36-17.2 7.5-22 398-459
ESR-125H 980-1850 sixty three.seven-ninety eight 4.sixty four-eleven.23 eight.92-24.two eleven-thirty 544-630
ESR-150H 810-1730 sixty three.7-ninety eight 9.fifty three-twenty five.seventy six seventeen.16-65 18.five-75 752-1571
ESR-200H 810-1480 sixty three.7-98 twenty five.34-56.92 42.34-one hundred twenty fifty five-132 1426-1934
ESR-250H 990-1480 sixty three.7-ninety eight fifty eight-ninety three.7 83.two-205 ninety-220 2980-3468
ESR300H 990-1480 63.7-ninety eight 86.9-134.1 114.seven-270 132-280 3476-3998
ERF-245 650-980 9.8-98 47.five-97.four sixteen-183 18.5-two hundred 3630-3690
ERF-250 650-980 nine.8-ninety eight 61.6-120.4 19-227 22-250 4450-4500
ERF-290 650-980 nine.8-seventy eight.four ninety two.three-128 22-213 30-250 4890-4710
ERF-295 650-980 9.eight-seventy eight.four 97.3-152.5 23-227 thirty-250 4890-4880
ERF-297 650-980 9.eight-78.four 87.5-167.six 26-249 thirty-280 5330-5520
ERF-three hundred 650-980 9.8-78.four one zero one.5-188.7 29-278 37-315 5330-5520
ERF-350 650-980 9.8-seventy eight.four 126-224.9 34-249 45-280 5210-6470
ERG-three hundred 590-730 9.eight-98 128.3-196 38-362 45-four hundred 9440-15710
ERG-350 590-730 nine.eight-98 159.three-231.6 43-420 fifty five-450 9700-1571
ERG-400 590-730 9.eight-eighty three.three 203.1-290.9 52-449 seventy five-500 10090-11390
ERG-445 590-730 9.8-seventy three.5 229.7-327.8 58-477 75-560 10600-12230
ERG-450 590-730 9.eight-73.five 262.four-366.2 64-496 75-560 10600-12230
ERG-500 590-730 nine.eight-sixty three.7 327.4-452.4 78-529 ninety-560 12790-14620
ERF-240-V 650-980 -9.eight- -49 38.one-78 13-seventy six 18.five-90 3420-3285
ERF-245-V 650-980 -9.eight- -forty nine 47.five-97.4 sixteen-95 22-a hundred and ten 3425-3360
ERF-250-V 650-980 -9.eight- -49 sixty three-120 19-117 22-132 3910-3830
ERF-290-V 650-980 -9.eight- -forty nine seventy two.six-a hundred and forty four 22-136 thirty-one hundred sixty 4415-4270
ERF-295-V 650-980 -9.eight- -forty nine seventy six.six-152 23-145 thirty-one hundred sixty 4425-4485
ERF-297-V 650-980 -nine.8- -49 eighty four.three-166.8 26-160 30-one hundred eighty 5000-4980
ERF-three hundred-V 650-980 -9.eight- -49 ninety seven-192 29-178 37-200 5000-4980
ERF-350-V 650-980 -9.eight- -forty nine 116-225 34-209 forty five-250 5400-5700
ERG-300V 590-730 -nine.8- -49 133-193 38-184 45-220 7800-9100
ERG-350V 590-730 -9.8- -forty nine 163-231 43-216 55-250 9500-9470
ERG-400V 590-730 -9.8- -forty nine 199-290 52-269 75-315 9900-10130
ERG-445V 590-730 -9.eight- -forty nine 224.8-326.9 fifty eight-303 75-355 9900-10130
ERG-450V 590-730 -nine.eight- -forty nine 255-365 sixty four-335 75-four hundred 11230-11300
ERG-500V 590-730 -nine.eight- -forty nine 314-452 78-412 132-450 13630-13850
ERF-245W 650-980 -thirteen.3- -fifty three.three fifty three.five-101 21.5-102 30-110 3630-3360
ERF-250W 650-980 -thirteen.three- -53.three sixty nine-127 26.5-127 30-a hundred and sixty 3985-4115
ERF-290W 650-980 -13.three- -53.three eighty two.six-a hundred and fifty 30.5-149 37-185 4340-4580
ERF-295W 650-980 -13.3- -fifty three.three 87-158 32-158 37-185 4440-4580
ERF-297W 650-980 -13.three- -fifty three.3 95-174 36-174 forty five-two hundred 5230-5130
ERF-300W 650-980 -thirteen.three- -53.three 109-195 40-193 55-220 5230-5130
ERF-350W 650-980 -thirteen.three- -53.three 129-230 50-230 75-250 5840-5670
ERG-300W 590-730 -thirteen.three- -fifty three.3 142-197 fifty two-201 75-220 9100-9000
ERF-350W 590-730 -thirteen.3- -53.3 168-234.four 59-235.five 75-280 9500-9600
ERG-400W 590-730 -thirteen.3- -fifty three.three 220-276.6 seventy one-292 ninety-315 9900-10130
ERG-445W 590-730 -13.three- -53.3 244-294.six eighty two-331 90-four hundred 11230-11300
ERG450W 590-730 -thirteen.3- -53.three 275-368.five ninety one-366 110-four hundred 11230-11300
650-980 ninety eight-196 sixty four.8-112 135-355 a hundred and sixty-four hundred 8700-8600
650-980 98-196 eighty.eight-139 167-439 185-500 9200-9100
ETRF-three hundred
650-980 98-176.four 102-174 206-497 250-560 10320-10500
650-980 ninety eight-137.2 124-207 241-473 280-560 10700-11110
ETRG-four hundred
(three hundred,400)
590-740 98-176.4 205-273 380-773 450-900 21350-24200
590-740 98-176.4 263-428 476-955 560-a thousand 24200-27600
650-980 -53.three–80 72-121 seventy five.six-121 90-160 6100-6470
650-980 -53.three–eighty ninety three.8-154 ninety nine.5-186 a hundred and ten-220 7000-6400
650-980 -fifty three.three–eighty 116-189 one hundred fifteen-220 132-250 7750-7760
EL81WD 580-980 nine.eight-58.eight fifty four.two-130 18-151 45-185 3595
EL82WDB 580-980 nine.eight-fifty eight.8 72.8-161 22-191 forty five-220 3860
EL83WDA 580-980 9.8-58.nine 101-213 28.5-202 forty five-220 4300
EL84WDA 580-980 nine.eight-fifty eight.eight 129-267 35.4-252 45-280 4720
EL93WDA 580-730 nine.8-forty nine 230-329 fifty six.four-311 seventy five-355 7765
EL94WDA 580-730 9.eight-forty nine 263-373 64-353 seventy five-four hundred 8130
EL95WDA 490-580 9.eight-fifty eight.8 308-434 eighty one.4-414 ninety-450 11500
EL96WDA 580 58.eight 381 497 560 11500
E397WN a thousand-1650 forty five-9      
E408WN 870-1650 40 ten-22      
E517WN 980-1580 40 twenty-thirty      
E520WN 930-1550 40 24-45      
E607WN 750-1250 40 45-76      
E610WN 750-1250 forty seventy five-one hundred thirty      

Spare parts and construction of our roots blower:

Package of our Roots Blower

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

Roots blower pack strategy identical as iron circumstance, just change to Fumigation Cost-free Plywood Scenario

Our manufacturing unit is a specialist company of Roots blowers which has above 20 years’ experience in machinery
production. It is positioned in Xihu (West Lake) Dis. CZPT CZPT Park, fifty kilometers to the east of ZheJiang provincial
capital— HangZhou. Our firm also has practical visitors transportation, as it is 15 kilometers absent from
Diaozhen City station of HangZhou-HangZhou expressway, and thirty kilometers absent from CZPT HangZhou station of
ZheJiang -ZheJiang expressway.The major solution of our company is ESR -variety Roots Blower. The roots
vacuum pump is a new type of substantial-efficiency roots blower, which is designed independently primarily based on the
domestic and international superior technologies. Many patented technologies have been adopted on Roots
Blower, and as a result we have made substantial effects in strength conservation and noise reduction, and so on.. So considerably, our
company has invested much more than 30,000,000 RMB to introduce this sort of innovative skilled gear as
horizontal machining centre, vertical machining center, two-way CNC area planer, CNC lathe, CNC milling
device, CNC planer, airplane grinder, cylindrical grinding device, and three coordinates screening device.
Besides, we have taken numerous measures to CZPTize the process stream this kind of as doing work and cooperating
with a lot of scientific research units, colleges and universities at home and abroad. We also repeatedly try out to
take up and enhance the domestic innovative generation systems, so as to advertise the upgrading and
optimization of the merchandise and make the item quality attain the sophisticated amount at property and abroad.
ESR -type Roots Blower involves a number of sequence such as Three-leaves Kind, Two-leaves Sort and Centrifugal
Variety,which can be more divided to hundreds of varieties. The products are broadly utilised in sewage therapy,
pneumatic conveying,vacuum packaging, aquaculture, foodstuff processing, electrical energy, petrochemical, cement,
mining and other industries. Our products have such rewards as lower sound, power saving, stable quality,
and long support existence, etc.. With the revenue outlets throughout the domestic capital metropolitan areas, our products market effectively all
over the country, and have been exported to North CZPTica,Russia, Malaysia, Indonesia, Vietnam, South Africa
and some other nations around the world. Obtaining obtained the ISO9001 CZPT CZPT Method Certification, we have
set up and improved the good quality assurance of the items developing, manufacturing, and installation.
From the process of design and style, analysis and improvement to the concluded items, we have got the entire
process controlled independently, therefore delivering the complete basis and trustworthiness assure for the goods security
and toughness. Getting a perfect revenue network and following-income services, we offer our buyers with higher-
good quality and far more efficient support.All employees of our organization sincerely welcome the wide masses of pals to
information, and negotiate company with us.

Our Roots Blower Workshop

         Doosn Horzitonal CZPT Heart

The Application of the Roots Blower

Servicing and inspection
(1) Check all fasteners and locating pins problems whether or not they are loosening.
(two) Constantly check out whether the leakage phenomenon of the entire body.
(three) Pay out attention to lubrication, sum of grease and noises when managing,
figure out whether it functions beneath the needed conditions.
(four) CZPT & grease: The lubricant is for medium load industrial gear oil
(quality 220, kinematic viscosity of 198 ~ 242mm2 / s 40ºC, flash stage ≥ 200ºC)
The grease is butter (synthetic lithium grease penetration 220-250, drop stage ≥
190ºC). Exchange the lubricant and grease soon after 1st two hundred hrs running, and change
once more after a moth managing. Later on, substitute the lubricant and grease according to the
setting and lubricant (grease) high quality suggest a suited substitute for a few
(five) Constantly verify the inlet air filter, clean or change the filter in time.
(six) Blower overload at times not quickly exhibited, so pay consideration to
the ingestion and exhaust pressure, bearing temperature and the current boost trends
of motor to determine whether the blower operates typically
(seven) Just before disassembling the blower, the assembling relation and dimensions
must be recorded or measured, make marks on components to make certain the CZPT
needs after assembling.
(eight) When newly equipment or overhaul, the oil tank need to be cleaned before use
and suggest exchange all grease following 8 several hours operating.

Widespread failure purpose and troubleshooting

No Failure Feasible factors Elimination techniques
one Friction
in between the
(one) Impurities on the impeller,
resulting in the gap is too little
(two) Gear use, resulting in a
large backlash
(three) The equipment is not properly fastened,
can not sustain the impeller
(4) Bearing use resulting in
clearance increasing.
(1) Get rid of dirt and check out
no matter whether there is damage components
(two) Modify the equipment hole, substitute
the gears if the equipment backlash is
higher than the regular 30% to
(3)Re-assemble the gears, hold
the taper make contact with area is to 75%
(four)Change the bearing
two Collision
impeller and
wall, the
impeller prime
and casing
(1) Set up gap is not correct
(two) operating force is too
substantial, exceeding the specified
(3) Working temperature is also higher
(4) Casing or base deformation,
positioning supporter failure
(five) Bearing axial area is not good
(one) Adjust the gap
(2) Determine leads to of
overloading, lowered the force
to the specified price
(3) Verify the installation
precision and decrease the pipe
(4) Verify and fix bearings,
and to make sure the clearance
three Temperature
way too high
(1) Oil in tank is way too significantly, way too
thick or way too soiled
(2) CZPT or silencer is blocked
(three)The strain is larger than
the specified worth
(4)Extreme dress in of the
impeller, massive gap
(5)Very poor air flow, indoor
temperature is higher, ensuing in
inlet air’s large temperature
(six) The rotating velocity is also reduced,outcome in the belt slipping.
(one)Reduce the oil degree or rely on
(2)Get rid of of blocking objects
(three)Decreasing the strain by means of
the blower
(4)Mend its clearance
(5)Open vents to lessen room
(six) Enhance velocity to stop the
belt slipping.
four Insufficient
(one) The inlet filter is blocked
(2) Impeller put on and the hole
boosts also a lot
(three) Belt slipping
(four) Big imports stress reduction
(five) CZPT ventilation leakage
(one) Thoroughly clean the filter dust and
(two) Restore the hole
(three)Tighten the belt and boost
the quantity of belts
(four)Modify the inlet pressure to the
specified value
(five) Examine and fix the pipeline
five Oil leaking or
oil leaking
into the enclosure
(1)Large tank position cause
leakage from the discharge port
(two) Seal put on, resulting in shaft oil spills
(3) The strain is larger than
the specified price

(one)Minimize the oil degree
(2)Exchange the seals
(3)Distinct the air vents, 2mm diameter faucet is set in the
center chamber, open the faucet
under the wall
6 Abnormal
vibration and
(one)Bearing clearance exceeds the
specified price or bearing use
(2) The gear backlash is way too
huge, not in a tight fastened
(3) The overseas objects and dust
brought on by the impeller and the
impeller, the impeller and the
housing collision
(four) the impeller shaft
deformation caused the collision
caused by overload,
(5) Friction amongst the impeller
and the inlet housing caused by
(6) Unbalance of the impeller
triggered by fouling or overseas
human body
(seven) CZPT bolts or other
fasteners are loosened
(one)Replace bearings or bearing
(2)Reassemble equipment and make sure
(three)Cleaning blower, check out the
circumstance is broken
(four)Check the back again force, check
the wheel and adjust gap
(5)Verify the filter and again
pressure, boost the gap
amongst the impeller inlet and the
(6)Thoroughly clean the impeller and the
casing, to make sure that the impeller
clearance function
(7) Tighten the anchor bolts and
leveling the base.
seven Motor
(one)When compared with the needed
pressure, the force big difference
is large that the back strain or
the inlet stress is substantial
(two) In contrast with the
products requirements, blower
circulation is as well big, so its stress
(three)Inlet filter is blocked, or outlet
pipe is obstructed or blocked
(four) Collusion or friction (caught)
rotating areas
(five) The oil amount is also higher
(six) Slender V-belt is overheat,
vibration is way too big, or pulley
is way too small
(one) Reduce the stress to the
specified worth
(two) Exhaust the surplus gasoline into
the atmosphere or reduce the
blower pace
(three) Eliminate the obstructions
(4)Immediately shut down, examine
the explanation
(5) Adjust the oil to the correct
(6) Examine the belt pressure, and
changed it with large diameter

Our Support

1. Pre market service                                                                              2. Following sell service                                          
a. advocate the suitable model                                             c. on-line specialized help,                                                                                   
b. manufacturing facility tour                                                                              d. complete life spare components and techinical support


12 months gurantee for our roots blowers

High Efficiency Low Energy Roots Vacuum Pump for Biogas Transport