Benefits of Slurry Filtration

The Benefits of Slurry Filtration

Chances are you have heard of the process. It is known by a variety of phrases. Whether you call it stone water treatment, granite water recycling, or concrete slurry filtration, the idea is the same. We are talking about the process of circulating water through a closed system while extracting, filtering, or otherwise removing the suspended particles of the “stone” material the water contains. So  don’t be sidetracked by terminology as you read this post. It may not exactly match phrases you have heard. The Benefits of Slurry Filtration is the title of this article. However, The Benefits of Granite Water Recycling, Benefiting From Filtering Stone Water, or something similar could easily have been the title. The key is to recognize benefits to using water filtration systems. Professionals process concrete, stone, and ceramics using these methods regularly.
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Natural Quartzite

About Natural Quartzite

Quartzite is a natural stone that continues to grow in popularity. Fabrication professionals use it for kitchen countertops and other applications. Natural quartzite information consists of a number of details that make it the choice for many designers and homeowners. Let’s look into some of that information now.

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Natural Granite

Natural Granite Information

Natural granite is seen all over the world in a number of architectural projects. It is a visually diverse material that offers a number of benefits including durability and beauty. In this post we will consider some natural granite information about various aspects of this marvelous natural stone. Along the way we will look at some of the qualities of this stone, why it has become a standard in architecture, and how to care for it. Let’s look at our natural granite information.
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Comparing Marble & Granite

Comparing Granite & Marble

Both granite and marble have been used in the construction of fascinating buildings. Both materials are processed in stone fabrication shops that make use of stone water treatment equipment and various dust collection machines. Monumental architecture is made up of these two natural stone materials. And yet they are so different from one another. Perhaps that is why each one has made its mark on the architectural landscape over the centuries. In this post, we will delve into comparing marble and granite. Along the way, we will consider what makes these materials different from one another. We will also look at the make up of each material. Finally, we will mention some of the use cases for each of these natural stones.
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Natural Marble

Natural Marble Information

Marble has been used in the construction of fascinating buildings. Monumental architecture is made up of this natural stone material. Perhaps that is why natural marble has made its mark on the architectural landscape over the centuries. In this post, we will delve into some natural marble information. Along the way, we will consider what makes this natural stone material unique. We will also look at is make up. Finally, we will mention some of the use cases for this natural stone. Continue reading “Natural Marble”

Sources of Silica

Common Sources of Silica

Silica is a term that has been heard by many for a long time. People research it regularly. In fact, searches such as “silica vs. silicone” and “silica free sand” are among the ones we found. The second of those searches reveals that it is often associated with sand. Yet, it is virtually everywhere. That’s why it is important to know about history of silicosis. However in this post we are going to briefly summarize some common sources of silica. Then we will succinctly consider what that means for those working in constructional occupations. Continue reading “Sources of Silica”

Particulates

Particulate Matter

The subject of particulate matter is one that is central to filtration. Filtering the air using dust collection systems for various industries and controlling them using water treatment and recycling systems revolves around this concept. Since filtration involves this type of matter, we will discuss briefly what particulate are and how one specific kind of particulate is closely related to our products. Continue reading “Particulates”

Stationary Masonry Saws

Stationary Masonry Saws & Respirable Crystalline Silica

OSHA requires employers to limit workers exposure to respirable crystalline silica on the job. Hence, the video below and the chart on this page show the standards and requirements necessary for tasks performed using stationary masonry saws. Using these standards helps you with safety while using stationary masonry saws and exposure control.

When used properly these methods effectively limit workers’ exposure to potentially harmful silica dust. The video below shows the method for reducing exposure while using a stationary masonry saw for cutting. However, the same principles apply to any power tools that generate silica dust. In fact, many tools used for cutting and grinding various stone products require safety methods for reducing dust. This is especially true of high dust producing equipment. In the case of stationary masonry equipment, it is necessary to have an exhaust method if the saw is used indoors. Additionally, you may find that water treatment plants for masonry work are helpful as well.

Operating Stationary Masonry Saws Safely

In order to comply with the table below, dust collection systems or other techniques and equipment is used in the immediate work environment to effectively remove dust from an enclosed work space.

Stationary saws effectively control respirable crystalline silica when an integrated water supply mechanism is used properly. Another technique that is effective for use in enclosed areas is the removal of generated dust using an exhaust mechanism. Using a dust collector in the work area can increase the effectiveness of controlling silica dust.

While operating stone cutting equipment, it is important to monitor the equipment for proper condition. Additionally, it is important to maintain the water delivery system and the condition of the saw and blade.

An operator’s checklist can help with maintaining and servicing masonry saws and blades.

Operators Checklist

Operators regularly check the water delivery system and the machine’s condition to ensure proper functionality. They also perform regular maintenance to stationary saws to keep them in good working order. Regular water delivery system checks include:

  • Checking nozzles for damage.
  • Removing clogs.
  • Ensuring proper connections are intact.
  • Dispose of dirty water and waste material properly.

Maintenance tasks often recommended by saw manufacturers often include the following:

  • Replacing basin water as needed.
  • Using the proper type and size of blade.
  • Following the recommended maintenance schedule.
  • Operating the saw with the correct amount of water.
  • Regularly inspecting the the blade and saw for wear and damage.

The following table shows the requirements for controlling respirable crystalline silica.

Specified Exposure Control Methods When Working With Materials Containing Crystalline Silica
Equipment / Task Engineering and Work Practice Control Methods Required Respiratory Protection and Minimum Assigned Protection Factor (APF)
≥ 4 hours/shift > 4 hours/shift
(i) Stationary masonry saws Use saw equipped with integrated water delivery system that continuously feeds water to the blade.

Operate and maintain tool in accordance with manufacturer’s instructions to minimize dust emissions.

– When used outdoors None None

Mortar Removal Grinders

Handheld Grinders for Mortar Removal & Respirable Silica

The Occupational Safety and Health Administration requires employers to limit workers exposure to respirable crystalline silica on the job. Hence, the video below and the chart on this page show the standards and requirements necessary for tasks performed using handheld grinders for mortar removal. Using these standards helps you with handheld grinders for tuckpointing and exposure control.

When used properly these methods effectively limit workers’ exposure to potentially harmful silica dust. The video below shows the method for reducing exposure while using a handheld grinders for tuckpointing. However, the same principles apply to any power tools that generate silica dust. In fact, many tools used for cutting and grinding various stone products require safety methods for reducing dust. This is especially true of high dust producing equipment.

Operating Handhled Grinders Safely

In order to comply with the table below, dust collection systems and techniques must be used in the immediate work environment to effectively remove dust form the area. Dust collection and shroud systems effectively remove dust as it is generated by grinding. Additionally, the dust collector must remvoe dust at an approved rate in line with the length of time the worker is performing the grinding.

The dust collector must also have a filter that with 99% or greater efficiency and a cyclonic pre-separator or filter cleaning mechanism. Additionally, the cyclonic pre-separator and filter cleaning mechanisms prevent debris from building up on the filter and hindering the dust collector’s effectiveness.

Operators Checklist

Operators regularly check the machine’s condition. They also perform regular maintenance to grinders to keep them in good working order. Hence, maintenance tasks often recommended by grinders and dust collector manufacturers often include the following:

  • Clean and replace filters as needed.
  • Do not overfill the waste container.
  • Follow a specific maintenance schedule.
  • Regularly check the dust collection system for signs of damage.
  • Make sure the hose connecting the tool to the vacuum is intact and without kinks or tight bends.

Operators regularly perform these cleaning and maintenance tasks. As a result, this ensures that the equipment performs at it best.

Tuckpointing In An Enclosed Area

Using a handheld grinder for tuckpointing indoors or in an enclosed area requires workers to have an exhaust method for removing dust from the work area. Furthermore, having a way to remove silica dust from the work area minimizes the accumulation of visible airborne dust. As a result, this safety requirement helps to reduce the risk of silicosis from exposure to respirable crystalline silica dust.

Specified Exposure Control Methods When Working With Materials Containing Crystalline Silica
Equipment / Task Engineering and Work Practice Control Methods Required Respiratory Protection and Minimum Assigned Protection Factor (APF)
≥ 4 hours/shift > 4 hours/shift
(xi) Handheld grinders for mortar removal (i.e., tuckpointing) Usa grinder equipped with commercially available shroud and dust collection system

Operate and maintain tool in accordance with manufacturer’s instructions to minimize dust emissions

Dust collector must provide 25 cubic feet per minute (cfm) or gteater of airflow per inch of wheel diameter and have a dilter with 99% or greater efficiency and a cyclonic pre-separator or filter-cleaning mechanism.

APF 10 APF 25

Non-mortar Removal Grinders

Non-mortar Removal Handheld Grinders

The Occupational Safety and Health Administration requires employers to limit workers exposure to respirable crystalline silica on the job. Hence, the video below and the chart on this page show the standards and requirements necessary for tasks performed using non-mortar removal handheld grinders. Additionally, using these standards helps you with handheld grinders for polishing stone and exposure control.

When used properly these methods effectively limit workers’ exposure to potentially harmful silica dust. The video below shows a method for reducing exposure while using handheld grinders for working stone. However, the same principles apply to any power tools that generate silica dust. In fact, many tools used for cutting and grinding various stone products require safety methods for reducing dust. This is especially true of high dust producing equipment.

Operating Non-mortar Removal Handheld Grinders – Dust Collection

In order to comply with the table below, dust collection systems and techniques must be used in the immediate work environment to effectively remove dust form the area in certain conditions. Dust collection effectively remove dust as it is generated by grinding. Additionally, the dust collector must remove dust at an approved rate in line with the length of time the worker is performing the grinding.

The dust collector must also have a filter that with 99% or greater efficiency and a cyclonic pre-separator or filter cleaning mechanism. Accordingly, the cyclonic pre-separator and filter cleaning mechanisms prevent debris from building up on the filter and hindering the dust collector’s effectiveness.

Operators Checklist

Operators regularly check the machine’s condition. They also perform regular maintenance to non-mortar removal handheld grinders to keep them in good working order. In fact, maintenance tasks are often recommended by grinder and dust collector manufacturers. And these often include the following:

  • Clean and replace filters as needed.
  • Do not overfill the waste container.
  • Follow a specific maintenance schedule.
  • Regularly check the dust collection system and look for signs of damage.
  • Make sure the hose connecting the tool to the vacuum is intact and without kinks or tight bends.

Operators regularly perform these cleaning and maintenance tasks. Additionally,  they ensure that the equipment performs at it best.

Stone Grinders and Integrated Water Delivery

Many handheld grinders have a built-in water delivery system that applies water to the grinding surface. Additionally, this water effectively controls dust when grinding materials containing crystalline silica. Hence, to comply with the requirements shown in the table below, the system must:

  • Have water delivery integrated with the grinder.
  • Continuously feed water to the grinding surface.

Water System Maintenance

It is important to correctly maintain the water delivery system. This is so the grinder stays in good working order and performs well. Furthermore, dust is not effectively controlled when the water delivery system is not functioning properly. In fact, with regular use the water delivery system can come to have one or more of the following issues:

  • Pinched hoses.
  • Cracked or leaky hoses.
  • Clogged water reservoirs.
  • Leaking or clogged nozzles.

Potential problems can develop with the water delivery system of regularly used stone grinders. So it is important to regularly check the following:

Grinder Water Delivery System Checklist

  • Remove any clogs.
  • Check connections.
  • Inspect nozzles for damage.
  • Check that the water supply is sufficient.

Grinder Maintenance

The grinder must be operated and maintained correctly. Therefore it should be used according to the manufacturer’s instructions to minimize dust emissions. Manufacturer’s instructions usually specify the following requirements for operation:

  • The amount of water to apply.
  • Inspection for wear and damage.
  • A maintenance schedule to follow.
  • Type and diameter of the grinding wheel to use.

In addition to reducing and minimizing silica dust, any slurry that is produced by the grinder should be effectively cleaned up. Thus, preventing the slurry from drying out and allowing the the silica to become airborne. Furthermore, managing slurry through the use of a stone water treatment plant is effective. This is because they are designed to filter water and reduce costs for disposal.

Requirements Table

Specified Exposure Control Methods When Working With Materials Containing Crystalline Silica
Equipment / Task Engineering and Work Practice Control Methods Required Respiratory Protection and Minimum Assigned Protection Factor (APF)
≥ 4 hours/shift > 4 hours/shift
(xii) Handheld grinders for uses other than mortar removal For tasks performed outdoors only: None None
Use grinder equipped with integrated water delivery system that continuously feeds water to the grinding surface.
Operate and maintain tool in accordance with manufacturer’s instructions to minimize dust emissions.
OR
Use grinder equipped with commercially available shroud and dust collection system.

Operate and maintain tool in accordance with manufacturer’s instructions to minimize dust emissions.

Dust collector must provide 25 cubic feet per minute (cfm) or greater of airflow per inch of wheel diamiter and have a filter with 99% or greater efficiency and a cyclonic pre-separator or filter-cleaning mechanism:

– When used outdoors. None None
– When used indoors or in an enclosed area. None APF 10

Handheld stone grinders generate silica dust. Therefore, they require proper use and maintenance. Rather than simply using the equipment without looking for potential issues, operators inspect and maintain these tools. As a result, airborne silica dust is kept to a minimum.