I believe everyone knows about Roots blower. When Roots blower is applied to melt blown cloth, many people do not know the effect. Today, Xiaobian will take you to understand the advantages of melt blown Broz blower.
Melt blown cloth is not only the application of medical masks, but also the application of heat preservation and cold prevention, filter material and oil absorption material. Melt blown cloth has good filtration, shielding, oil absorption, heat insulation and other functions. Therefore, it is widely used in health care, filtration and oil absorption materials and other fields.
Polypropylene, polyester, polyamide and other chemical polymer materials of melt blown fabric are raw materials for melt blown fabric production. Pour the raw materials into the spinning melt pool, and the pouring amount is strictly calculated by the metering pump. Then, under the action of high-speed hot air jet and stretching, the raw materials are processed into tow fibers with uniform width and distribution through the spinneret assembly.
The pressure change is mainly due to the influence of the system resistance, which requires a strong adaptive "fan". The roots blower has strong adaptability, which is mainly because it has no internal compression. Once the pressure value (ideal value) of the system is determined, as long as it is within the allowable range of the motor power, the roots blower can provide much pressure. Therefore, Roots blower has good adaptability.
The hot air delivered by Roots blower is almost oil-free, which is related to the unique structure of Roots blower. There are strict requirements for meltblown fabrics used in health care. Conclusion; In addition to the above, it is compact in structure, small in size, light in weight, smooth in operation, low in noise and vibration, so many small enterprises can also realize the manufacturing and production of melt blown fabrics.
Installation method of meltblown Broz fan:
1. Clean the foundation concrete surface and check its levelness. If it is unqualified, the uneven part can be leveled.
2. Place the roots blower base on the foundation, and insert a sizing block between the foundation surface and the base surface. The gap between them only needs to ensure the inflow of mortar. Use the sizing block to adjust the levelness so that the roots blower base is absolutely horizontal.
3. When installing general roots blowers, several types of rectangular sizing blocks with different thicknesses can also be prepared (steel plates are adjusted by overlapping several blocks). When installing important roots blowers, due to the high requirements for levelness, a group of two inclined sizing blocks should be used for adjustment. Roots blower driven by coupling can be inspected by coupling, and then welded and fixed after leveling. The sizing block is inserted into both sides of the foundation bolt, and the adjustment bolt is also used for adjustment during the adjustment of the level.
4. The anchor bolt hole where the anchor bolt passes through the base shall be perpendicular to the square hole for anchor bolt
5. Sufficient mortar shall be poured into the holes for anchor bolts and the gap between the base and the foundation concrete to ensure the strength of concrete structural members.
When installing important roots blowers or blowers with high accuracy requirements, the mortar shall be poured into the holes where the anchor bolts are buried. After they are fully hardened, they shall be re aligned and adjusted to level. After the installation accuracy requirements are met, the mortar shall be poured into the gap between the base and the foundation concrete.
6. After the mortar has fully hardened, tighten the nuts of the anchor bolts. 7. The grouting process is very important for the whole installation process of roots blower. It not only plays a role in the space between the base and the foundation concrete, but also has a greater impact on the load transfer of Roots blower and the assistance of mechanical stiffness. Therefore, during construction, special attention should be paid to the shrinkage and fracture of the slurry, and reasonable construction methods should be adopted.
8. For general large roots blower, the casing and base are separated. For split roots blower, its casing is divided into several parts. When installing, first install the roots blower base and bearing base according to the above method, and then adjust the clearance between stator and rotor while assembling according to the order of lower casing, rotor and upper casing.
9. In some cases, due to insufficient foundation, roots blower is often installed on the shock absorber to reduce the transmission force of vibration. The shock absorber shall be arranged with the center of gravity of roots blower as the center to ensure that the compression amount of each shock absorber is consistent.
Selection parameters of meltblown Broz fan: 1. Flow of fan
The main parameters of the blower model selection are flow parameters. After knowing the flow parameters, the approximate model can be determined, but the specific model cannot be determined yet, and it also needs to save the participation below.
2. Fan pressure
The pressure of the fan determines the model of the motor. If the motor power is high, select a larger model. If the motor power is low, select a lower power motor. The model of the motor will directly affect the price of the fan. Therefore, the pressure needs to be calculated well.
3. Other parameters
Other parameters that can affect the Roots fan include: gas temperature, altitude, sealing method, etc. These also affect the escape configuration of the fan. But in general, the delivery is affected by the air volume and pressure of the loss of business. Of course, the more sufficient demand information is provided, the more reasonable the selection is, and the use effect will meet the production needs more.
I believe that after reading the above contents, you should also have a better understanding of the use effect of melt blown Broz fan. I hope it will be helpful to you.
Text label: Roots blower
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