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Blower Fan Noise Driving Workers Crazy
The Situation: A contractor is looking for a solution to solve a noise problem. His customer has a machine in its production line that uses four small blower fans to create vacuum. The machine uses the negative suction created by these blowers to fold plastic bags on the production line. The machine operators were complaining because of the fan noise and they could not communicate with each other while the blowers were in operation. At its highest level, the customer measured the noise to be 105 dBa.
The blower motor is specifically developed for applications that require high airflow, high motor speed, and medium pressure. The fan and housing are designed and optimized to deliver up to 238 CFM and 70.4 inches of sealed vacuum.
Currently, the blower fans are mounted underneath the production machine which does not provide the easiest access for maintenance. The area under the machine is approximately 5’ wide x 6’ long x 3’ high. The goal is to reduce the decibel reading as much as possible and to improve the maintenance access.
The Solution: Engineer, John Larson, designed a system with 2″ absorption silencers, 4″ thick attenuation flat foam, and a 6’L x 3’W x 3’H base-mounted aluminum sound enclosure with a 350 CFM ventilation fan mounted on the back side of the enclosure.
The absorption silencers reduce the high frequency pulsations. The foam attenuates sound waves by absorbing the noise which reduces the amplitude of the waves. The base-mounted sound enclosure allows for easy installation and maintenance. Aluminum construction is lightweight and corrosion resistant. The silencers were installed vertically in order to discharge upward through a drop ceiling and dissipate heat. The final noise level is around 75 dBa.
Vent Silencer Solution
The Issues: Testing of Turbine Compressor packages prior to being shipped requires the package to be run at full operational mode and capacity. A 40ft discharge pipe and horizontal vent stack faces away from the testing area, but in the direction of neighboring businesses. A huge amount of air volume discharges at increased velocity, causing increased levels of high octave band frequencies. These created disturbing noise conditions for neighboring facilities, which caused the customer to be sighted for noise levels above 85 dBA and be charged with a time frame to remedy the problem.
The Requirement: A vent silencer to eliminate the generated noise created by the turbine compressor, as this noise could still be identified by neighboring businesses.
The client required the discharge air and noise to be redirected and somewhat contained, while also reducing the noise level to meet the 85 dBA or below city requirement.
The Design: We suggested turning the discharge piping and vent silencer downwards towards the ground. An open top, 10 ft. tall, four sided enclosure surrounding the silencer discharge enables the discharged air to vent out 360 degrees without constriction. Solid closed cell foam on the walls of the enclosure forces the displaced air and any leftover noise into the foam, preventing noise from being directed towards any surrounding establishments.
The Solution: After installation, initial versus final tests proved the customer’s requirements were met; discharged air noise was limited to below, and discharge was redirected away from neighboring businesses.
The customer has been very pleased with the results and the new system is utilized weekly for testing purposes.
Industrial Sound Enclosure Features and Options
Industrial Sound Enclosures
Standard features include:
Aluminum construction;
Flat Roof;
PSI #618 Composite acoustical foam for maximum absorption efficiency;
Polyurethane foam is resistant to heat and oils;
Baffled air inlet insures no noise loss;
Design allows for all-weather installations;
Roof mounted lifting lugs provided. Light enough to be lifted over package;
Hinged 4-door entry allows for immediate, easy access to both sides of the blower package;
EPDM Seal Kit provided for intake and discharge piping holes;
Unit ships fully assembled. Unit can be easily disassembled for storage or for complex installations;
Performance tested up to 20-23 dB. Testing required for performance guarantees.
Optional Dragonskin foam
Optional Filter Access Door in Roof for Filter Element Removal
Optional Pitched Roof
Optional Weather Proof Filter Access Door in Roof for Filter Element Removal
Optional Lift off doors
Optional Modular 3” square tube panel construction
Optional Unit will be made modular for shipping and ease of assembly
Optional High Performance Acoustical Foam
Optional Special Skinned foam
Optional Enclosure electrical heater with thermostat
Optional Lighting kit
Optional Lexan window *This will affect attenuation*
Noisy Air Compressor
Customer Requirements: A sound enclosure to enclose a noisy air compressor with the following specs:
- 300HP motor at 95.40% efficiency
- 14.60PSIA Barometric pressure
- Maximum ambient temperature 110° F • Maximum motor ambient temperature of 122° F
- Blower and bearing box heat load 15,277.09 Btu/hr
- Motor heat load 35,140.32 Btu/hr
- Combined heat load 50,414.4. Btu/hr
Final Design: Pathfinder Systems fabricated a flat roof sound enclosure with 1/8’’ thick aluminum walls and a 5,000 CFM fan. Airflow in the enclosure is directed in a Z-pattern through baffled air inlets reaching from the floor to roof. The design achieved flow of 1,000 FPM. This airflow pattern allows the enclosure to maintain a cooler interior temperature which prolongs the equipment’s lifetime.
A single removable door panel allows easy access to the equipment for maintenance. The enclosure’s exterior panels bolt together using zinc-plated steel weld nuts and contain corner mounting holes for skid mounting. EPDM rubber, which is excellent for high temperatures, surrounds the compressor pipe. An internal light bracket allows improved visibility within the enclosure to assist with repairs and maintenance of the equipment. 2.75’’ polyurethane sound attenuating foam, resistant to heat and oils, provides maximum absorption efficiency inside the enclosure.
Custom Sound Enclosures for Industrial Motors
Custom Sound Enclosures for Industrial Motors
Noise can lower the productivity of your employees. In an industry where there is too much noise, employees risk losing their hearing. Most of the noise in the workplace is produced by industrial motors. There are techniques available that can help in reducing noise. One of the methods you can use to reduce noise produced by industrial motors is sound enclosures. Sound enclosures must be installed correctly in order to reduce noise as much as possible. Our custom sound enclosures are available to meet your exact specifications. You should utilize an experienced company, such as Pathfinder Systems, Inc., to install the enclosures the correct way so that you will achieve great results reducing noise and increasing productivity.
Benefits of installing custom sound enclosure for industrial motors
Prevent hearing loss
Too much noise in your factory may lead to hearing loss. The loud noise caused by industrial equipment can damage the auditory systems of your employees. You can easily avoid cases of hearing loss by deciding to install the right custom sound enclosures for your industrial motors. The enclosures are made out of materials which absorb sound that is produced during the operation of your equipment. This can help you to avoid cases where your employees are at risk of hearing loss. The health and productivity of your employees is of utmost importance. We can assist in maximizing productivity through reducing excess noise in your industrial setting.
Reduce stress levels
Excess noise is often associated with high stress levels in the workplace. Employees who are stressed tend to be less productive. Excess noise also increases chances of your workers being involved in accidents due to lack of concentration. The cost of installing the custom sound enclosures for industrial motors is significantly less than the possible costs you will incur in having to treat your employees after they are involved in work related incidents. To ensure that your employees are in a safe and productive work environment, consider having sound enclosures from Pathfinder Systems Inc. installed on your industrial motors
Increase productivity
It is necessary for you to continually find ways of safely improving employee productivity. After installing sound enclosures, you will notice a rise in productivity. Your employees will be able to concentrate for longer periods of time in a quieter environment which leads to greater productivity and greater profit for your company. If an increase in productivity would help your company, consider installing custom sound enclosures from Pathfinder Systems Inc.
Call Today for More Information about Custom Sound Enclosures for Industrial Motors
816-741-0282
Benefits of Industrial Vacuum Sound Enclosures
Benefits of Industrial Vacuum Sound Enclosures
Vacuum pumps are an important and necessary item for many industries these days however, these devices can cause excess noise in your work area. The noise can be annoying for people who stand around this vacuum pump on a daily basis. For this reason, you should choose the best industrial vacuum sound enclosures for absorbing noise from your vacuum devices. Many Different enclosures are available on the market, you can compare their features, advantages, benefits, and many other important details from these units.
1. Reduce noise significantly
Noise reduction is the main benefit that is offered by sound enclosures. When you use the best sound enclosure for protecting your vacuum unit, noise will be reduced significantly. Our enclosures are made with a high quality vinyl noise barrier, in order to deliver the best noise isolation quality for our customers. This product can be used to eliminate any unwanted noise that may comes from your vacuum unit. You should compare some available enclosures, especially if you want to look at their audio reduction quality from all available products on the market.
2. Protect your vacuum unit
Another good reason to consider using sound enclosures is protection of your vacuum unit . The enclosure is used to protect your vacuum unit from any scratches, damages, and any other unwanted impacts from the environment in addition to noise reduction. To take care of the investment you have made in your vacuum sound enclosure, you should choose one that is made from strong, durable material. Steel is a perfect material to provide maximum protection for your vacuum system in your working area.
3. Multiple applications
Many people are interested in purchasing this type of enclosure because of the many applications it can be used for in the workplace and the accessories that are available. This enclosure can be used for several accessories, including compressors, generators, hydraulic equipment, grinders, presses, industrial fans, and many other noise producing machines that are used in the workforce. You can use this product for covering all necessary products and machines on your property effectively without any issues.
There are many other benefits of industrial vacuum sound enclosures. You product that comes with high quality materials, proper dimension size, and also durable performance. When you reduce the decibel level in your working area, you are able to improve your employee productivity and safety. Now is the time to give Pathfinder Systems a call to install an industrial vacuum sound enclosure for your business and begin enjoying all the benefits they provide.
Call today for more information about Industrial Vacuum Sound Enclosures
(816) 741-0282
Stainless Steel Sound Enclosures
Stainless Steel Sound Enclosures to Decrease Industrial Noise
The effects of industrial noise has for a long time been underestimated. Many people have termed it a nuisance, when in reality, it can pose a threat to human health and environmental safety. This kind of noise does not only come from industrial facilities. Commercial premises, shops, and offices also deal with industrial noise. Because of the hazards associated with this kind of noise pollution, Pathfinder Systems has come up with measures to limit noise production. Less industrial noise production in the work space has been made possible by utilization of stainless steel sound enclosures.
Pathfinder Systems manufactures a variety of reliable noise reduction equipment with high performance capabilities and undeniable reliability. Too much noise in a work zone can cause stress, it is important that the problem is sufficiently taken care of. Special fixtures have been specially designed to work like a sponge, they absorb the noise and restrict the noise from channeling out. Here are characteristics of the best stainless steel noise enclosures:
They are durable- Stainless steel sound enclosures should last a long time due to the durability of the materials used.
They should have a warranty- A warranty is always an assurance of quality and the manufacturer’s confidence in their product.
Businesses should seek out a reputable company with proven results, such as Pathfinder Systems, when looking to decrease industrial noise in the workplace. Choosing a quiet environment with stainless steel noise enclosures for your employees will definitely pay off in the long run. Productivity will increase and the health risks of constant noise pollution will be minimized. The simple fact is that we cannot get away from using machines, however, thanks to technology, it is possible to have a quiet machine and an even quieter environment to work in.
Call today for more information about Stainless Steel Noise Enclosures
(816) 741-0282
Rotary Blower Discharge Silencer Benefits
Rotary blower discharge silencers are some of the most essential components to high performance in all the blower systems. Most people believe that the discharge does not create a lot of noise as compared to the inlet, which is not correct. The discharge noise and high frequency pulsations are common at the outlet and can be responsible for the tremendous destruction of systems operating under very high pressure and discharge velocities. The reason behind this is that the above mentioned components are normally contained in a closed system.
The positive rotary blower discharge silencer does not compress the medium it carries from the blower inlet to the discharge side of the blower. The compression phase takes place when the line pressure builds up at the open port. At this stage, compressed air is pushed into the line. This action results in very steep wave forms that are normally destructive to piping any other equipment, if not well taken care of. There are some very important design considerations in building these systems including discharge displacement and speed. A proper evaluation of these two parameters results in a system that reduces the havoc that would otherwise be caused if they were overlooked.
Benefits of Rotary Blower Discharge Silencers
They help in curbing the effects of the air flow involved. This is because the pulsation and vibration caused by the air flow out of a constricted area is very high, and if not well handled, the destruction caused can be very costly. Having rotary blower discharge silencers installed by Pathfinder Systems will help a great deal in allowing the system to operate in harmony.
Secondly, high frequency air flow causes a lot of noise and vibration which can be a nuisance to the surrounding. The main function of the rotary blower discharge silencers is to reduce these high frequencies by harmonizing the pressure surge of the gas exiting the outlet to the open, in the case of geothermal or any other steam outlet.
Silencers also increase the accuracy and efficiency of the system. The noises and vibration caused in the case where silencers are not used is, as a result of turbulence and back pressure, resulting from the air which is passed through a medium, which in the process, tends to cool down causing medium imbalances. If the medium was to be used without being passed through a silencer, issues of inaccuracy would arise. Rotary Blower Discharge Silencers are used to correct this variation.
Call Pathfinder Systems today for information about our Rotary Blower Discharge Silencer
(816) 741-0282
Positive Displacement Blower Sound Enclosure Advantages
The advantages of positive displacement blower sound enclosure
There are many laws today that seek to regulate the noise produced by industrial product lines. Moreover, many workers have filed lawsuits claiming hearing damage due to the noise caused by the machines that they work around. These two factors make it necessary for manufacturing plants to invest in sound enclosures. One of the machines in the line that requires such a device is the positive displacement blower.
Effectiveness
The sound enclosures for the positive displacement blowers are able to contain the noise produced by the machine. It can contain this sound until only 85 dBA (decibels) are audible. This results in a very comfortable noise level. When the audible sound is this low, a manufacturing plant can be located near a residential community area and not cause discomfort for the neighbors. The sound enclosures for the PD blowers are able to reduce the audible noise from the machine by 60% to 80% due to their specialized construction. The enclosures are constructed in such a way that they have an independent frame, steel panels that are removable and modular, as well as an exhaust fan and air intake that is silenced.
Ease of installation
Your Positive displacement blower sound enclosure can be built according to your measurements and specifications by Pathfinder Systems Inc. Our technicians can discuss the design with you to make sure your specifications are adhered to. We will then construct the enclosure for you. You can also purchase a ready made sound enclosure. Armed with the measurements of your PD blower, you can go and shop for one that fits your positive displacement blower sound enclosure. In both these cases, the professional technicians from Pathfinder Systems can install these for you.
High Quality Construction
The positive displacement blower sound enclosures are built so that they will be durable and long lasting. They are built out of durable materials such as stainless steel. They are also constructed in such a way that they can be installed at the site easily. The enclosure is made with a modular design. This means that it is constructed out of panels that can be fit together on site. This type of construction means that it is easy to move the enclosure, as well. All that is required is dismantling and reconstruction at the target site.
These enclosures also reduce the pulsation from the PD blower. They can also be constructed with doors, windows and access panels. This is an excellent result of the modular design used to construct the positive displacement blower sound enclosures. The presence of panels does not make the enclosures any less effective. The edges of the panels are lined with seals. These seals are high performance and prevent any leakage of noise. If the enclosure has windows, they have tight gaskets on them. They are fitted with frames that promote silence outside the enclosure. Despite the need to completely seal the enclosure, ventilation is added into its design. The enclosure can be painted or imprinted with a logo that you desire. Thus, it markets your manufacturing plant and prevents the loud noise caused by the Positive Displacement Blower Sound Enclosure.