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Factory News

2020-08-10

Conditions to be met for Roots fans to work

For Roots fan for how to ensure its normal work? What are the conditions that need to be met first? On this issue Roots fan editorial take you to understand. 1, the conveying medium into the steam temperature is usually not greater than 40 ℃. 2, the content of particles in the medium shall not exceed 100mg/m3, the maximum size of particles shall not exceed half of the minimum working gap. 3, the bearing temperature in operation shall not be higher than 95 ℃, the lubricant temperature is not higher than 65 ℃. 4, the use of pressure shall not be higher than the pressure range specified on the nameplate. 5, Roots blower impeller and housing, impeller and side plate, impeller and impeller clearance has been adjusted in the factory, re-assembly to ensure that the clearance....

2020-08-03

Operating Roots Blower Details

Roots blower in the process of operation what are the details that you need to know? On this issue Roots blower editorial take you to understand. 1, should be checked fan components, whether the integrity of the parts, the connection of the bolts, nuts, tightness, the fasteners and positioning pins of the installation quality, inlet and exhaust piping and valve installation quality, etc.. 2, in order to ensure the normal operation of the blower, not allowed to carry pipes, valves, frames and other external loads. 3、Check the centering and squaring quality of the blower and motor. 4、Check whether the base of the unit is fully padded all around, and whether the ground bolts are tight. 5、Inject the specified grade of mechanical oil into the oil tank until the oil level is...

2020-07-30

Maintenance during the use of Roots fans

Roots fan in the use of the process of maintenance, so as to better protect the use of Roots fan, then Roots fan maintenance of common means what? On this issue Roots fan editorial take you to understand. 1, should not be installed in the Roots fan people often in and out of the place, in order to prevent injuries and burns. 2, should not be installed in the Roots fan in easy to produce flammable, explosive and corrosive gases in the place, in order to prevent fire and poisoning and other accidents. 3、According to the direction of the air inlet and exhaust port and the need for maintenance, there should be a proper space around the foundation surface. 4, Roots fan installation, should see whether the foundation is solid, whether the surface is flat, whether the foundation is higher than the ground...

2020-07-28

What do I need to pay attention to during the removal of Roots blower gears?

Roots blower in the process of using the gear needs to be disassembled, then gear in the process of disassembly need to pay attention to what? On this issue Roots blower editorial take you to understand. 1, before disassembling, should measure the assembly clearance between the disassembled parts, for the assembly position of the key another parts, should make a good record, such as the synchronous gear of the Roots blower, so as to avoid errors when back to install. 2, the disassembled combined surface pads and adjustment shims, should be properly stored, its assembly position, make a good record, should be and measure its thickness. 3, some assembly precision is very high components, such as blower synchronous gear wheel and ring, if the ring is not found damage do not easily...

2020-07-20

How to debug the safety valve of the three-leaf Roots fan better?

Three-leaf Roots fan safety valve before use first need to debug, then three-leaf Roots fan safety valve debugging methods? On this issue, the three-leaf Roots fan editorial take you to understand. (1) first start the three-leaf Roots fan, while observing the pressure gauge, while screwing the gate valve, so that the pressure exceeds the set pressure of about 10%. (2) Then loosen the lock nut and rotate the adjusting lever in the counterclockwise direction until the air is discharged from the safety valve. (3) In the process of tightening the gate valve, if the set pressure of the fan has not yet been reached, the safety valve has been excluded from the air, and again clockwise rotation of the regulating rod until the air is not excluded from the air, and then counterclockwise rotation of the regulating...

2020-07-14

Roots fan maintenance details

Roots fan in the maintenance process there are some details that you need to know, about this issue Roots fan editor to take you to understand. 1. High current If the mechanical part of the Roots fan rattling, temperature, vibration is normal, just some dull, high current, generally in and out of the wind is unfavorable, the inlet filter, the shell set of ash, out of the pipeline valves are not fully open and clogging of the main reason. 2. Transmission belt abnormalities Transmission belt if wear slag, may be the belt and the bottom of the groove contact, the two belt theory is not parallel or the corresponding groove is not in a plane, the wheel is rough, and so on. 3. Bearing heat Roots fan bearing heat in operation is mostly due to bearing damage or poor lubrication and belt tension...

2020-07-13

Roots fan high temperature use need to know the details

For Roots fan in the process of high temperature use of what details are you need to understand and know? On this issue Roots fan editorial take you to understand.

2020-07-08

How to routine maintenance of Roots blowers

Roots blower in the use of the process can not be separated from the maintenance, then Roots blower should be how to carry out routine maintenance? On this issue Roots blower small make up take you to understand. When the fan is equipped with an outdoor unit, a rain shelter should be installed. It is not necessary to install the fan in a place where people often pay to prevent injuries and burns. Depending on the direction of the air intake and exhaust ports and the need for maintenance, the bottom perimeter of the root...

2020-07-06

Reasons for shedding of the body of a three-leaf Roots blower

Three-leaf Roots blower in the use of the process of shedding, so what is the cause of three-leaf Roots blower shedding? On this issue of three-leaf Roots blower editorial take you to understand. 1. What should I do if I fall into the foreign matter? If we have to dismantle the inlet and outlet muffler or perform maintenance on the inlet muffler, certain accessories or sundries will fall into the fan. At this time, we need to remove the muffler of the fan, and then remove the foreign matter from the inside of the fan. And clean the inside. 2. Maintaining the inlet muffler in the right way When we maintain the inlet muffler, it is recommended to disassemble the inlet muffler separately and then maintain it. After disassembling, if there is in the impeller...

2020-06-30

Reasons for vibration during the use of Roots blowers

Roots blower in the use of the process of vibration, so what are the reasons that lead to the vibration of the Roots blower? On this issue Roots blower small make up to take you to understand. 1. Design reasons: Roots blower design is generally based on the fan's use of the environment, temperature, air volume, wind pressure, media, etc. to design, and Roots blower selection of some companies are not fully based on these factors, resulting in the existence of the following factors: fan design is not appropriate, the dynamic characteristics of the poor, vibration occurs in operation; structural irrationality, stress concentration; design of the working speed is close to or fall into the critical speed zone Thermal expansion calculation is not allowed, resulting in poor thermal alignment....

2020-06-22

Failures encountered during the use of Roots blowers

Roots blower in the process of using what are the common failures? On this issue Roots blower editorial take you to understand. First, the root cause of the operation failure Roots blower is through the two impeller engagement and work. The active impeller is dragged by the coupling (or belt drive) device connected with the motor, and the driven impeller is dragged by the synchronous gear mesh on the master and slave shafts. Therefore, the gear mesh is good or bad, the blower's safety and smooth operation plays an extremely important role. -Once the gears are damaged, it will lead to the damage of other parts. The rotor assembly is supported by bearings in the wall plate. The position of the support point, the size of the bearing clearance, the mounting accuracy, the bearing seat fit precision...

2020-06-15

How can the gap between the Roots fans be adjusted?

Roots fan in the process of using how to adjust the gap between them? On this issue Roots fan editorial take you to understand. 1. Adjust the gap between the shell: through the shell and the wall plate positioning pin holes to ensure that, because when dismantling the fan, must not damage the positioning pin holes. Impeller chassis 0.20-0.395 2. Adjust the impeller-impeller clearance: rotate the impeller to the position shown in the clearance schematic, press the driven gear to the mark of the active gear, then press it on the shaft, install the gear ring, stop the washer and lock Tighten the nuts in turn and lock the lock. Tighten the nut slightly. Rotate the impeller one turn. If it fails to rotate, turn the impeller to make contact with its upper part. ...

2020-06-09

Reasons for excessive pneumatic noise in Roots fans

Roots fan in the use of the process of pneumatic noise is too large, so what is the reason for this situation? How should it be solved? On this issue Roots fan editorial take you to understand. 1, the installation of muffler In general, the aerodynamic noise radiated from the fan air intake and exhaust port is 10~20dB(A) higher than the noise radiated from other parts, therefore, when controlling the fan noise, the first thing to do is to install appropriate muffler on the air intake and exhaust official channel. The muffler is used on the fan, at present, both at home and abroad tend to use the resistive muffler, and the muffler with larger volume and narrower muffling channel has been seldom used, of course, the muffler...

2020-06-08

Reasons for high temperatures in the use of Roots fan bearings

Roots fan in the process of using the bearings appeared high temperature, then the main island Roots fan bearing temperature is too high for what reason? On this issue Roots fan editorial take you to understand eh a little. 1. Simple and practical is to add a sunshade on the outside of the fan, which is one of the direct methods of cooling. 2. If the axial fan, wear-resistant fan and other fan temperature is too high, it is likely that the fan is driving into, out of the gas pipeline gate is not closed. Solution: close the inlet and outlet pipe gate on the line. 3. In addition, due to the box caused by severe vibration, shaft and rolling bearing installation skewed, before and after the two bearings are not concentric, fan rolling bearing damage or shaft ...

2020-06-01

Introduction to wear and tear of Roots fan parts

Roots fan parts used in the process of wear and tear is unavoidable, about the Roots fan parts wear the following Roots fan editorial take you to understand eh a little. 1. Initial wear stage initial wear stage for the material wear stage, at this time between the blower parts on the surface of the unevenness and oxidation layer, decarburization layer, due to the operation of the Roots fan parts, the role of mutual friction is quickly smoothed. Roots fan due to the impeller in the body running without friction, do not need lubrication, so that the discharged gas does not contain oil. It is the ideal pneumatic conveying gas source for chemical, food and other industries. At this time, the equipment can show high productivity, although this is a short period of time...