We make all types of roots blower, centrifugal blower, Our Primary products are as beneath:
| 类型 | 直径 | Fee of circulation | 压力 |
| ESR-MJ(Intensive Sort) | Φ50~Φ300mm | .5~140m³/min | nine.8KPa~ninety eight.8Kpa |
| ESR(Normal Variety) | Φ50~Φ350mm | .5~140立方米/分钟 | 9.8千帕~78.4千帕 |
| ESR-H(Substantial-strain Sort) | Φ50~Φ350mm | .seven~160m³/min | 58.8千帕~98.8千帕 |
| ESR-V（真空泵） | Φ50~Φ350mm | .5~160立方米/分钟 | 9.8千帕~53.3千帕 |
| EL系列 | Φ200~Φ600mm | twenty.three~750m³/min | 9.8KPa~fifty eight.8Kpa |
| 多级离心式鼓风机 或 C-Collection |
Φ250~Φ500mm | 50~500m³/min | nine.8KPa~98Kpa |
| ERR-ERG Type | Φ250~Φ500mm | a hundred and twenty~420m³/min | 9.8千帕~98.8千帕 |
The functioning principle of the a few-blade roots blower: two 3-lobed rotors are arranged in the cavity, and the
suction port and the discharge port are opened on both 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
转子、吸入口和排出口相互隔离，燃烧室内的燃料被推入以实现
吹奏的目标。
Feature of our roots blower:
1. Big adjustment of the air volume
2. Minimal Noise
three. Large performance
4. Low strength cosumption
5. Prolonged time life
six. Trustworthy working, easy maintenance,small footprint
我们罗茨鼓风机的参数：
| 种类 | 角速度 （转/分钟） |
Force Increase （千帕） |
容量 （米/分钟） |
Shaft Electrical power （Kw） |
发动机 | 单位最大值 重量（公斤） |
| 力量 （Kw） |
||||||
| ESR-50 | 1100-2120 | 9.8-58.8 | .65-two.fifty eight | .three-3.fifty four | .75-four | 128-158 |
| ESR-sixty five | 1100-2130 | 9.8-58.8 | .94-3.66 | .38-four.46 | .75-5.5 | 155-185 |
| ESR-eighty | 1140-1900 | 9.8-58.8 | 2.34-five.forty three | one.04-seven.forty two | 2.2-11 | 一百五十五-277 |
| ESR-one hundred | 1060-1980 | 9.8-58.8 | four.fifty seven-9.05 | 1.35-12.15 | 3-fifteen | 309-377 |
| ESR-125 | 980-1850 | 九.8-58.8 | 5.35-12.4 | 1.65-5.19 | 5.five-eighteen.5 | 408-451 |
| ESR-125C | 970-1830 | 9.8-58.8 | seven.five-seventeen.fifty seven | three.2-18.5 | four-22 | 408-451 |
| ESR-150 | 810-1730 | 9.8-58.8 | ten.37-27.fifteen | 3.eighty four-forty.eighty two | seven.5-forty five | 688-848 |
| ESR-a hundred seventy five | 970-1520 | 9.eight-fifty eight.eight | 19.65-36.65 | 7.two-45.95 | eleven-55 | 980-1080 |
| ESR-200B | 740-1450 | 9.8-58.8 | 19.65-44.eight | 10.fifteen-60.44 | 15-seventy five | 1272-1546 |
| ESR-200 | 810-1480 | 9.8-58.8 | 27.65-59.2 | 8.05-80,twelve | 15-90 | 1272-1546 |
| ESR-250B | 1100-1480 | 九.8-58.8 | 54.77-seventy seven.fifty five | 19.ninety seven-ninety.ninety seven | thirty-a hundred and ten | 1490-2454 |
| ESR-250 | 990-1480 | 9.eight-fifty eight.8 | 61.four-97.fifty two | 20.1-117.three | thirty-132 | 1490-2454 |
| ESR-300 | 990-1480 | 九.8-58.8 | 87.1-138.1 | 26.4-167.eight | 37-185 | 3326-3446 |
| ESR-350 | 730-1480 | 九.8-50 八.8 | 78.41-177.31 | 55-250 | ||
| ESR-50H | 1230-2120 | 63.7-98 | 四十五二.02 | 2.05-six.12 | 三至七五 | one hundred sixty–170 |
| ESR-65H | 1240-2130 | 63.7-98 | .seventy eight-2.fifty three | 2.89-7.fifty five | 4-11 | 198-230 |
| ESR-80H | 1140-1900 | sixty three.seven-ninety eight | 1.82-4.55 | 4.09-ten.1 | five.5-15 | 316-326 |
| ESR-100H | 1060-1980 | 63.7-98 | two.sixty five-eight.06 | 6.36-seventeen.2 | 7.5-22 | 398-459 |
| ESR-125H | 980-1850 | 63.798 | four.sixty four-eleven.23 | 8.92-24.two | 11-thirty | 544-630 |
| ESR-150H | 810-1730 | 63.7-98 | nine.53-twenty five.seventy six | seventeen.sixteen-65 | 18.5-seventy five | 752-1571 |
| ESR-200H | 810-1480 | 63.7-98 | 25.34-fifty six.ninety two | forty two.34-a hundred and twenty | 五十五-132 | 1426-1934 |
| ESR-250H | 990-1480 | sixty three.7-98 | 58-ninety three.7 | 83.two-205 | 90-220 | 2980-3468 |
| ESR300H | 990-1480 | 63.7-98 | 86.nine-134.1 | 114.seven-270 | 132-280 | 3476-3998 |
| ERF-245 | 650-980 | 九八九十八 | 47.five-ninety seven.4 | 十六-183 | eighteen.five-two hundred | 3630-3690 |
| ERF-250 | 650-980 | 9.8-98 | 61.6-one hundred twenty.four | 19-227 | 22-250 | 4450-4500 |
| ERF-290 | 650-980 | 9.eight-78.four | 92.three-128 | 22-213 | 30-250 | 4890-4710 |
| ERF-295 | 650-980 | 9.eight-78.4 | ninety seven.three-152.five | 23-227 | 30-250 | 4890-4880 |
| ERF-297 | 650-980 | 9.eight-78.4 | 87.five-167.6 | 26-249 | 30-280 | 5330-5520 |
| ERF-300 | 650-980 | 9.8-78.4 | a hundred and one.5-188.7 | 29-278 | 37-315 | 5330-5520 |
| ERF-350 | 650-980 | 九.8-78.4 | 126-224.9 | 34-249 | 四十五-280 | 5210-6470 |
| ERG-300 | 590-730 | 9.8-98 | 128.3-196 | 38-362 | 45-400 | 9440-15710 |
| ERG-350 | 590-730 | nine.eight-98 | 159.3-231.6 | 43-420 | 55-450 | 9700-1571 |
| ERG-four hundred | 590-730 | 9.8-83.3 | 203.1-290.nine | 52-449 | seventy five-five hundred | 10090-11390 |
| ERG-445 | 590-730 | 9.eight-seventy three.five | 229.7-327.eight | 58-477 | seventy five-560 | 10600-12230 |
| ERG-450 | 590-730 | 9.eight-seventy three.5 | 262.4-366.two | 64-496 | 75-560 | 10600-12230 |
| ERG-500 | 590-730 | 9.8-63.7 | 327.4-452.4 | 78-529 | 90-560 | 12790-14620 |
| ERF-240-V | 650-980 | -九.8- -四十九 | 38.1-78 | 13-76 | eighteen.five-90 | 3420-3285 |
| ERF-245-V | 650-980 | -9.8- -49 | 47.5-97.four | 16-95 | 22-one hundred ten | 3425-3360 |
| ERF-250-V | 650-980 | -9.8- -49 | sixty three-a hundred and twenty | 19-117 | 22-132 | 3910-3830 |
| ERF-290-V | 650-980 | -九.8- -四十九 | 72.six-144 | 22-136 | 30-160 | 4415-4270 |
| ERF-295-V | 650-980 | -9.8- -49 | seventy six.six-152 | 23-145 | 30-one hundred sixty | 4425-4485 |
| ERF-297-V | 650-980 | -9.8- -49 | eighty four.three-166.8 | 26-160 | 30-one hundred eighty | 5000-4980 |
| ERF-three hundred-V | 650-980 | -nine.8- -49 | ninety seven-192 | 29-178 | 37-200 | 5000-4980 |
| ERF-350-V | 650-980 | -9.8- -49 | 116-225 | 34-209 | 45-250 | 5400-5700 |
| ERG-300V | 590-730 | -nine.8- -49 | 133-193 | 38-184 | 45-220 | 7800-9100 |
| ERG-350V | 590-730 | -九.八- -49 | 163-231 | 43-216 | 55-250 | 9500-9470 |
| ERG-400V | 590-730 | -nine.8- -49 | 199-290 | 52-269 | seventy five-315 | 9900-10130 |
| ERG-445V | 590-730 | -九.8- -四十九 | 224.8-326.9 | 五十八-303 | 75-355 | 9900-10130 |
| ERG-450V | 590-730 | -9.8- -49 | 255-365 | 64-335 | 七千五百四百 | 11230-11300 |
| ERG-500V | 590-730 | -9.8- -49 | 314-452 | 78-412 | 132-450 | 13630-13850 |
| ERF-245W | 650-980 | -13.3- -53.3 | fifty three.five-a hundred and one | 21.5-102 | 三千一百一十 | 3630-3360 |
| ERF-250W | 650-980 | -thirteen.3- -53.3 | 六十九-127 | 26.five-127 | thirty-one hundred sixty | 3985-4115 |
| ERF-290W | 650-980 | -thirteen.3- -53.3 | eighty two.6-one hundred fifty | thirty.five-149 | 37-185 | 4340-4580 |
| ERF-295W | 650-980 | -十三.3- -53.三 | 87-158 | 32-158 | 37-185 | 4440-4580 |
| ERF-297W | 650-980 | -十三.3- -五十三.3 | 95-174 | 36-174 | 45-200 | 5230-5130 |
| ERF-300W | 650-980 | -十三.3- -五十三.3 | 109-195 | forty-193 | fifty five-220 | 5230-5130 |
| ERF-350W | 650-980 | -十三.3- -五十三.3 | 129-230 | 50-230 | 75-250 | 5840-5670 |
| ERG-300W | 590-730 | -十三.3- -五十三.3 | 142-197 | 52-201 | 75-220 | 9100-9000 |
| ERF-350W | 590-730 | -13.3- -53.3 | 168-234.four | 59-235.5 | 75-280 | 9500-9600 |
| ERG-400W | 590-730 | -13.3- -53.three | 220-276.6 | 71-292 | 90-315 | 9900-10130 |
| ERG-445W | 590-730 | -13.3- -53.3 | 244-294.6 | 八十二-331 | ninety-four hundred | 11230-11300 |
| ERG450W | 590-730 | -13.3- -53.3 | 275-368.5 | 91-366 | one hundred ten-four hundred | 11230-11300 |
| ETRF-250 (240,250) |
650-980 | ninety eight-196 | 64.eight-112 | 一百三十五-355 | one hundred sixty-four hundred | 8700-8600 |
| ETRF-295 (245,295) |
650-980 | ninety eight-196 | eighty.eight-139 | 167-439 | 185-500 | 9200-9100 |
| ETRF-three hundred (245,295) |
650-980 | 98-176.4 | 102-174 | 206-497 | 250-560 | 10320-10500 |
| ETRF-350 (245,295) |
650-980 | 98-137.2 | 124-207 | 241-473 | 280-560 | 10700-11110 |
| ETRG-400 (300,400) |
590-740 | 九十八-176.4 | 205-273 | 380-773 | 450-900 | 21350-24200 |
| ETRG-450 (350,450) |
590-740 | 九十八-176.4 | 263-428 | 476-955 | 560-one thousand | 24200-27600 |
| ETRF-250W (240,250) |
650-980 | -fifty three.three–80 | 七十二-121 | 75.6-121 | ninety-a hundred and sixty | 6100-6470 |
| ETRF-295W (245/295) |
650-980 | -53.3–80 | ninety three.8-154 | 99.five-186 | 一百一十-220 | 7000-6400 |
| ETRF-300W (2505/300) |
650-980 | -53.three–eighty | 116-189 | a hundred and fifteen-220 | 132-250 | 7750-7760 |
| EL81WD | 580-980 | 9.eight-fifty eight.8 | 54.two-130 | 十八-151 | 四十五-185 | 3595 |
| EL82WDB | 580-980 | 九.8-50 八.8 | seventy two.eight-161 | 22-191 | forty five-220 | 3860 |
| EL83WDA | 580-980 | nine.eight-fifty eight.9 | one hundred and one-213 | 28.five-202 | 45-220 | 4300 |
| EL84WDA | 580-980 | 九.8-58.8 | 129-267 | 35.4-252 | 45-280 | 4720 |
| EL93WDA | 580-730 | 9.eight-49 | 230-329 | 56.four-311 | 七十五-355 | 7765 |
| EL94WDA | 580-730 | 九八四九 | 263-373 | 64-353 | 75-400 | 8130 |
| EL95WDA | 490-580 | 9.8-58.8 | 308-434 | 81.four-414 | 90-450 | 11500 |
| EL96WDA | 580 | fifty eight.eight | 381 | 497 | 560 | 11500 |
| E397WN | 1000-1650 | 40 | 5-9 | |||
| E408WN | 870-1650 | 四十 | 10-22 | |||
| E517WN | 980-1580 | 40 | twenty-30 | |||
| E520WN | 930-1550 | 四十 | 24-forty five | |||
| E607WN | 750-1250 | 四十 | 45-76 | |||
| E610WN | 750-1250 | 40 | seventy five-130 |
Spare elements and composition of our roots blower:
Deal of our Roots Blower
Pack into iron situation, two layer,blower entire body and motor in reduced layer, inlet/out silencer and so forth in higher layer
Roots blower pack method very same as iron situation, just adjust to Fumigation Free Plywood Circumstance
Our manufacturing facility is a expert maker of Roots blowers which has more than twenty years’ experience in machinery
production. It is located in Xihu (West Lake) Dis. CZPT CZPT Park, fifty kilometers to the east of ZheJiang provincial
capital— HangZhou. Our firm also has hassle-free targeted traffic transportation, as it is fifteen kilometers away from
杭州-杭州高速公路刁镇市站，距浙江港铁杭州站30公里
ZheJiang -ZheJiang expressway.The leading merchandise of our organization is ESR -kind Roots Blower. The roots
vacuum pump is a new sort of high-performance roots blower, which is created independently primarily based on the
domestic and foreign sophisticated technologies. Several patented technologies have been adopted on Roots
Blower, and hence we have manufactured substantial outcomes in power conservation and noise reduction, and many others.. So much, our
organization has invested much more than 30,000,000 RMB to introduce this kind of superior specialist tools as
horizontal machining middle, vertical machining middle, two-way CNC floor planer, CNC lathe, CNC milling
equipment, CNC planer, airplane grinder, cylindrical grinding device, and three coordinates screening equipment.
In addition to, we have taken various measures to CZPTize the procedure movement such as functioning and cooperating
with a lot of scientific research units, colleges and universities at home and abroad. We also continuously try out to
soak up and boost the domestic superior manufacturing systems, so as to promote the upgrading and
optimization of the item and make the product quality reach the superior stage at home and abroad.
ESR -variety Roots Blower involves numerous series this sort of as A few-leaves Kind, Two-leaves Variety and Centrifugal
Type,which can be even more divided to hundreds of kinds. The products are commonly utilized in sewage treatment,
pneumatic conveying,vacuum packaging, aquaculture, meals processing, electric powered electricity, petrochemical, cement,
mining and other industries. Our items have such benefits as minimal noise, strength saving, steady top quality,
and long services life, and many others.. With the sales outlets throughout the domestic cash cities, our merchandise offer nicely all
more than the country, and have been exported to North CZPTica,Russia, Malaysia, Indonesia, Vietnam, South Africa
and some other nations. Getting got the ISO9001 CZPT CZPT System Certification, we have
set up and improved the quality assurance of the items developing, manufacturing, and set up.
From the procedure of design, investigation and growth to the concluded goods, we have got the total
method managed independently, therefore providing the complete basis and dependability promise for the items balance
and longevity. Possessing a perfect revenue community and right after-sales services, we offer our buyers with larger-
top quality and more effective support.All employees of our firm sincerely welcome the broad masses of pals to
guide, and negotiate business with us.
我们的Roots Blower车间
Doosn 水平 CZPT 心脏
Roots Blower 的软件
维护和检查
(1) Check out all fasteners and finding pins situations whether or not they are loosening.
(two) Always check whether the leakage phenomenon of the body.
(three) Pay focus to lubrication, volume of grease and noises when operating,
figure out whether or not it works under the needed circumstances.
(4) CZPT & grease: The lubricant is for medium load industrial equipment oil
(quality 220, kinematic viscosity of 198 ~ 242mm2 / s 40ºC, flash stage ≥ 200ºC)
The grease is butter (synthetic lithium grease penetration 220-250, drop position ≥
190ºC). Exchange the lubricant and grease right after initial 200 hours managing, and substitute
yet again following a moth operating. Afterwards, substitute the lubricant and grease in accordance to the
environment and lubricant (grease) good quality suggest a ideal substitute for a few
几个月。
(5) Usually check the inlet air filter, thoroughly clean or substitute the filter in time.
(six) Blower overload often not quickly exhibited, so shell out attention to
the consumption and exhaust pressure, bearing temperature and the current boost developments
of motor to decide no matter whether the blower performs normally
(seven) Ahead of disassembling the blower, the assembling relation and dimensions
have to be recorded or measured, make marks on components to ensure the CZPT
needs right after assembling.
(8) When newly equipment or overhaul, the oil tank need to be cleaned ahead of use
and propose substitute all grease after eight several hours managing.
Common failure explanation and troubleshooting
| 不 | 失败 | Attainable reasons | 消除方法 |
| 1 | 摩擦 in between the 叶轮 |
（1）叶轮上的杂质， resulting in the gap is as well tiny (2) Equipment wear, resulting in a big backlash (three) The equipment is not effectively fastened, can not preserve the impeller 同步 (4) Bearing dress in ensuing in 清关工作正在升级。 |
(one) Get rid of grime and check whether there is harm areas (two) Modify the equipment hole, change 如果设备齿隙为零，则齿轮会…… increased than the average 30% to 五十% (three)Re-assemble the gears, maintain the taper contact area is to 75% (4)Change the bearing |
| 2 | 碰撞 in between 叶轮和 墙， 叶轮启动 和外壳 |
(one) Installation gap is not proper (two) running pressure is as well higher, exceeding the specified worth (three) Running temperature is too large (four) Casing or base deformation, positioning supporter failure (5) Bearing axial spot is not great |
(one) Modify the hole (two) Recognize triggers of overloading, diminished the force to the specified worth (three) Examine the set up accuracy and minimize the pipe 刚性 (four) Verify and fix bearings, and to ensure the clearance （5）搬迁 |
| 3 | 温度 also substantial |
(1) Oil in tank is as well much, way too thick or as well filthy (2) CZPT or silencer is blocked (three)The pressure is increased than the specified value (4)Abnormal wear of the impeller, large gap (5)Inadequate ventilation, indoor 温度很高，导致 inlet air’s large temperature (6) The rotating velocity is way too minimal,end result in the belt slipping. |
(one)Reduce the oil amount or count on 油 (2)Remove of blocking objects (3)Reducing the stress by way of 鼓风机 （4）修复其间隙 (5)Open up vents to decrease room 温度 (6) Improve speed to avert the 皮带滑脱。 |
| 4 | 不足 movement |
(one) The inlet filter is blocked (two) Impeller wear and the hole will increase as well a lot （三）皮带打滑 (four) Big imports stress reduction (five) CZPT air flow leakage |
(one) Cleanse the filter dust and 梗阻 (two) Repair the hole （3）系紧安全带并加速 the amount of belts (four)Change the inlet stress to the 指定价格 (5) Verify and fix the pipeline |
| 5 | 漏油或 漏油 进入围栏 |
(1)Higher tank placement trigger 排放口泄漏 (2) Seal use, resulting in shaft oil spills (3) The pressure is increased than the specified value |
(1)Decrease the oil amount (two)Substitute the seals (three)Clear the air vents, 2mm diameter faucet is set in the middle chamber, open the faucet underneath the wall |
| 六 | Abnormal 振动和 sound |
（1）轴承间隙超过 specified worth or bearing use （2）齿轮间隙也 massive, not in a tight fixed (3) The foreign objects and dust triggered by the impeller and the 叶轮、叶轮和 房屋碰撞 （4）叶轮轴 deformation triggered the collision brought on by overload, (five) Friction in between the impeller and the inlet housing brought on by 过热 （6）叶轮不平衡 brought on by fouling or overseas human body （七）CZPT螺栓或其他 紧固件已松开 |
(one)Change bearings or bearing 座位 (two)Reassemble gear and make sure 反弹 (3)Cleansing blower, verify the case is broken (4)Check the again strain, verify the wheel and alter hole (five)Examine the filter and back again force, increase the gap among the impeller inlet and the 套管 (six)Cleanse the impeller and the casing, to guarantee that the impeller clearance work （7）拧紧锚栓， leveling the foundation. |
| 7 | 发动机 超载 |
(one)When compared with the essential force, the stress difference is big that the again force or the inlet pressure is large (2) In contrast with the tools requirements, blower circulation is too massive, so its pressure 将会增加 (3)Inlet filter is blocked, or outlet 管道堵塞或阻塞 (four) Collusion or friction (caught) rotating parts (5) The oil stage is also substantial （六）细长V型皮带过热， vibration is way too huge, or pulley is way too little |
(one) Minimize the stress to the specified benefit (two) Exhaust the extra fuel into the environment or lessen the blower velocity （三）清除障碍物 (four)Right away shut down, examine 原因 (5) Alter the oil to the right 阶段 (six) Verify the belt stress, and changed it with big diameter 滑轮。 |
我们的供应商
1. Pre promote service 2. Soon after sell service
a. advocate the suitable model c. on the internet technical assistance,
b. factory tour d. complete life spare areas and techinical assistance
保证
我们的吹根机提供十二个月保修。
