Roots fan technical guidance, Changsha blower plant technical guidance

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Adjustment of the Roots fan before use

Roots fan in the use of the process of those details that we need to pay attention to? About these details Roots fan editorial take you to understand. ① in normal operation of the Roots blower does not arbitrarily close the import and export valves, open the circulation valve and venting valve, do not allow the exhaust port of the gas for a long time back to the blower inlet (i.e., playing the cycle), otherwise it affects the operation of the machine. ② the normal operation of the machine, the surface temperature of the rolling bearings generally does not exceed 85 degrees (index 95 degrees) oil in the tank can not exceed 60 degrees index 65 degrees if the oil tank oil temperature is high, you can take water cooling measures outside the machine, the requirements do not exceed the rated current. ③ near the bearing parts of the radial amplitude (...

Requirements for the environment in which Roots fans are used

Roots fan in the use of the process of the environment has certain requirements, then where is the main embodiment? Roots fan editor to take you to understand. 1, the fan's working environment temperature shall not exceed 40 degrees Celsius, such as more than to take measures to cool down, otherwise shorten the service life of the fan. Fan outdoor configuration, please set up rain shelter. 2, the foundation design should be in line with the relevant provisions of the national machinery and equipment installation project, the foundation should be built on hard soil, it is appropriate to be 100-250 millimeters above the ground, the depth of 800-1500 millimeters. Foundation bearing surface should be wider than the base 100-250 mm, its foundation is not allowed to connect with other buildings and wall foundations foundation should be solid. Fan ...

The reason why the Roots blower does not turn

Roots blower use in the case of turning does not appear, then what causes such a situation? Roots blower small editor to take you to understand. 1、Foreign body stuck There are large particles of objects into the fan cavity, blocking the gap between the parts, resulting in the fan can not turn. This need to clean up the cavity inside the foreign body, and check the gap between the impeller. Another check the cause of foreign objects fall into, to avoid the recurrence of failure. 2. impeller damage Impeller damage fan stuck and can not turn, this failure is easy to understand, the impeller and the impeller bite each other, resulting in the impeller can not turn, this failure needs to be disassembled to check the casing. 3. Gear damage Normal gear...

How to assemble and disassemble a Roots fan

The use of Roots fan in its assembly and disassembly is inevitable, then how to assemble and disassemble Roots fan? Roots fan small editor to take you to understand. First, assembly 1, check the disassembled parts have no damage. 2, assembly before parts should be cleaned 3, each part of the gasket, if broken or lost, should be replaced with the same thickness, material gasket 4, the gap adjustment Roots fan gap has been adjusted before the factory users generally should not be arbitrary changes. 5, impeller and impeller clearance adjustment, loosen the slave gear and hub bolts, with a rubber hammer or copper rod tapping the impeller, so that the clearance to meet the specified requirements, and then tighten the bolt....

Summary of common problems with Roots blowers

Roots blower in the use of the process of “sick” is inevitable, then Roots blower common “disease” are those? Roots blower editor to take you to understand. First, the Roots blower does not rotate; 1, not connected to the power supply connected to the power supply 2, the motor does not work to check the motor wiring or replace the motor 3, the fan head damage repair fan or replacement 4, the fan has a foreign body jammed to remove foreign objects Second, the Roots blower noise increases 1、Bearing dry lubrication plus bearing grease 2、Bearing damage replacement bearing 3、Impeller wear replace impeller or pump head 4、Loose or fall off fasteners tighten fasteners 5、Forbidden objects in the fan to remove foreign objects or replace the pump head Third, the Roots blower st...

The relationship between Roots fan speed and air velocity

Roots fan use speed and wind speed between the existence of those relationships? On this issue, Roots fan small editor to take you to understand. 1, speed and air volume Above we said the same equipment, model motor power and so on the same, the higher the speed of the fan the greater the air volume. 2, speed and power Is not the higher the speed of the fan the higher the power? No, this understanding is not right, because the small size of the motor can make a very high speed. 3、Rotation speed and pressure The pressure of the Roots fan is only related to the pressure of the pipeline in front, and has nothing to do with the rotational speed, which is related to the working principle of the Roots blower, the pressure of the Roots blower, in fact, refers to the Roots blower to overcome the pressure of the...

Reasons for Roots fan bearing wear

Roots fan in the use of the process of wear and tear, so what causes it? Meet such a situation should be how to solve it? Roots fan small editor to take you to understand. 1. Improper assembly of bearings. If the inner ring of the bearing is unevenly impacted during cold assembly, the shaft will be worn, resulting in the loss of interference between the inner ring and outer ring of the bearing, or the interference is reduced, and the inner ring The phenomenon occurs. When the door is not uniformly tapped, the outer ring of the end bearing housing and shaft is too loose to allow the outer ring to run. Either running the inner ring or running the outer ring of a Roots fan can cause a sharp rise in bearing temperature rise. Intermittent operation is allowed as long as the bearings are intact...

Maintenance of important parts of the Roots fan

Pump cavity anticorrosion protection and rotor shaft keyway damage as an important part of the Roots fan often encountered during the use of some of the problems, about these issues Roots fan small make up to take you to understand. 1. Anti-corrosion protection of the pump cavity of the Roots fan The form of metal corrosion can be divided into two categories: general corrosion and local corrosion. The former occurs more uniformly over the entire surface of the fan, and the latter occurs only locally. For example, pitting corrosion, crevice corrosion, intergranular corrosion, stress corrosion cracking, corrosion fatigue, hydrogen corrosion cracking, wear and tear corrosion, delamination corrosion and so on. Especially in the petroleum, chemical industry and marine atmospheric environment is particularly prominent. For the Roots fan corrosion problems, the replacement of equipment part...

Summary of common problems with Roots fans

Roots fan in the use of the process will inevitably meet some of the problems, today Roots fan editor brings you a summary of some common problems of the Roots fan, so that you better understand the Roots fan. 1. Belt slippage --------- -The belt is loose, adjust or replace. 2. gear or bearing lubrication is not enough ------ add gear oil or grease after stopping the machine. 3. foreign matter inside the fan or collision of fan impeller --- check the inside of the fan after stopping the machine 4. air leakage from fan outlet or receiver&...

In which industries are Roots fans widely used?

Roots fan is a rotary compressor that utilizes two lobe-shaped rotors to compress and transport gases by relative motion in a cylinder. Because it is very simple to use and therefore favored by many industries, the following Roots fan editorial take you to understand. 1. Water treatment is used for the purification of water treatment plant and the mixing of sediment. 2. Boiler exhaust emissions can help boiler combustion and accelerate the exhaust discharge 3. Cleaning pipeline is good for conveying chlorinated alkene, polyethylene and other granular raw materials 4. Livestock manure fermentation compost conveying gas, accelerate the fermentation of livestock manure and urine composting 5. Electroplating tanks to optimize the quality of plating (uniform plating) electrolyte layer conveying gas, so that the electrolyte cycle, this time as a gas source is...

How to read the Roots blower is overload and normal load operation?

Roots blower in the process of work how to determine whether he is overloaded and normal load? This is very important for the Roots blower, the following Roots blower editorial take you to understand. First, the blower empty load test run. (1) new installation or overhaul of the fan should be empty load test run. (2) The concept of empty load operation of Roots blower: put into operation under the condition that the air inlet and outlet valves are all open. (3) Trial run should pay attention to observe the lubricating oil splash situation is normal, such as too much or too little should be adjusted oil. (4) There is no abnormal odor or smoke phenomenon and collision or friction sound, bearing parts of the radial amplitude is not greater than 0.08mm. 5) Empty negative...

Where can Roots blowers be used?

Roots blower is mainly a rotary compressor that utilizes two lobe-shaped rotors in the cylinder for relative motion to compress and transport gases. This kind of blower is simple in structure, easy to manufacture, widely used in aquaculture oxygenation, sewage treatment aeration, cement conveying, more suitable for low pressure occasions of gas conveying and pressurizing system, can also be used as a vacuum pump and so on. Roots blower is mainly used in where? 1、Water treatment industry Water treatment industry used in the Roots blower more, water treatment industry used in many types of fans, such as centrifugal fans, rotary fans, Roots blowers, air suspension blowers, magnetic suspension blowers, high-pressure fans, etc., can be...

What are the environmental requirements for Roots fans?

Roots fan in the process of using it on the environment has certain requirements, then about the environmental requirements of the Roots fan small make up to take you to understand. 1, fan working environment temperature shall not exceed 40 degrees Celsius, such as more than to take measures to cool down, otherwise shorten the service life of the fan. Fan outdoor configuration, please set up rain shelter. 2, the foundation design should be in line with the relevant provisions of the national machinery and equipment installation project, the foundation should be built on hard soil, it is appropriate to be 100-250 millimeters above the ground, the depth of 800-1500 millimeters. Foundation bearing surface should be wider than the base 100-250 mm, its foundation is not allowed to connect with other buildings and wall foundations foundation should be solid. Fan around...

Roots fan testing process before use

Roots fan before the use of the best can check, which is very important for the use of the Roots fan, so about the Roots fan before the start of the testing process you know how much? I will take you to understand. 1. check the fastening situation of each part of Roots fan and whether the positioning pin is loose, if loose, it should be fixed. 2. There should be no scaling, rusting and peeling inside the body of the fan. Prevent oil seepage inside the body. 3. When disassembling the machine, the machine should be measured and recorded, and the parts should be marked and oriented to ensure that the assembly and can maintain the original fit requirements. 4. Roots fan overload sometimes not immediately...

How Roots Fans Achieve High Efficiency

Roots fan in the process of using how to maximize its efficiency? This is very concerned about a problem for users, then how to realize it? Roots fan editorial take you to understand. Belt pulley bias can be adjusted with a straightedge. When used for a period of time, the belt will become loose, this time to re-adjust. Check and refill the gear oil. Please check and refill the gear oil in the oil tank which has been filled with gear oil at the time of shipment from the factory. In the shutdown state, add oil to the center of the oil window, do not add more, otherwise it will lead to oil leakage. Remove the welding slag and other foreign matter from the pipeline before installation. The valve should be placed in the fully open state, otherwise the fan will be overloaded and the fan will be damaged. Foundation design should be in line with the national machinery and equipment...
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