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HGT Hydraulic Gyratory Crusher

HGT Hydraulic Gyratory Crusher

HGT Gyratory Crusher is a new-type intelligent coarse crusher with big capacity and high efficiency. It integrates mechanical, hydraulic, electric, automated, and intelligent controlling technologies which grant it with advantages traditional crushing

European Type Jaw Crusher PEW

European Type Jaw Crusher PEW

Jaw crushers has stationary jaw crusher, portable jaw crusher and mobile jaw crusher (crawler jaw crusher). Jaw crusher (PEW Series) is not only able to be used together with mine-selecting and gravel processing equipments but also be used independen

Jaw Crusher PE

Jaw Crusher PE

Jaw crusher is driven by a motor, and the moving jaw moves up and down via eccentric shaft. The angle between fixed jaw and moving jaw becomes smaller when the moving jaw runs down, then the materials are crushed into pieces. It will become bigger whe

HPT Hydraulic Cone Crusher

HPT Hydraulic Cone Crusher

Base on the latest technology and decades of years’ producing experience, Our Company designed the HPT series cone crusher. It has excellent crushing efficiency and good hydraulic control system. Now the HPC series cone crusher has wide application

HST Hydraulic Cone Crusher

HST Hydraulic Cone Crusher

HST Single Cylinder Hydraulic Cone Crusher is a new high-efficiency cone crusher independently researched, developed and designed by SBM through summarizing over twenty years of experience and widely absorbing advanced American and German technologies

CI5X Series Impact Crusher

CI5X Series Impact Crusher

CI5X Impact Crusher breaks materials with impact force. When materials enter the working area of hammer, they may be crushed under the high-speed shock and then thrown onto the impact device above the rotor for another crushing. Next, materials bounce

VSI6X Series Vertical Crusher

VSI6X Series Vertical Crusher

Due to the increasing market demand for the scale, intensification, energy conservation, environment protection and high-quality machine-made sand, SBM, a Chinese professional sand maker manufacturer, further optimizes the structure and function of tr

VSI5X Vertical Shaft Impact Crusher

VSI5X Vertical Shaft Impact Crusher

VSI Crushers Working Principle Raw material falls down into feed hopper, and then enters rotor through central entrance hole. It is accelerated in high-speed rotor, and then is thrown out at speed of 60-75m/s. When hitting anvil, it is crushed. Final

VSI Vertical Shaft Impact Crusher

VSI Vertical Shaft Impact Crusher

VSI Series vertical shaft impact crusher is designed by reputed German expert of SBM and every index is in worlds leading standard. It incorporates three crushing types and it can be operated 720 hours continuously. Nowadays, VSI crusher has replaced

VUS aggregate optimization system

VUS aggregate optimization system

The VU system is a global most-advanced dry-process sand-making system. The system is constructed like a tower. Its fully-enclosed layout features high integration. It integrates the functions of high-efficiency sand making, particle shape optimizatio

MTW-Z European Trapezium Mill

MTW-Z European Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

5X Series Roller Grinding Mill

5X Series Roller Grinding Mill

Grinding roller of MB5X Pendulum Roller Grinding Mill l adopts diluted oil lubrication. It is a technology initiated domestically which is maintenance-free and easy to operate. Diluted oil lubrication is oil bath lubrication, more convenient than grea

MTW Trapezium Mill

MTW Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

LM Vertical Mill

LM Vertical Mill

LM Vertical Grinding Mill integrates crushing, drying, grinding, separating and transport. The structure is simple while the layout is compact. Its occupational area is about 50% of that of the ball-milling system. The LM grinding mill can also be arr

TGM Trapezium Mill

TGM Trapezium Mill

TGM Super Pressure Trapezium Mill The operation principle of main unit of Trapezium mill is that main unit runs with the central shaft that is driven by a gear box. The top of the shaft is connected with a quincunx stand on which a grinding roller is

Stone Crushers Lung Disease

Silicosis - NHS

Silicosis Silicosis is a long-term lung disease caused by inhaling large amounts of crystalline silica dust, usually over many years. Silica is a substance naturally found in certain types of stone, rock, sand and clay. Working with these materials can create a very fine dust that can be easily inhaled.

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Stone crushing industry exposes workers to deadly ...

28/09/2017  Silicosis is a type of lung disease caused by inhalation of crystalline silica dust and is considered an occupational disease for stone crushers and miners.

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Pulmonary Problems among Quarry Workers of Stone Crushing ...

Considerable pulmonary function impairments have been reported in quarry workers. 9,10 In a study by Ghotkar, et al, 11 the prevalence of respiratory morbidity among stone quarry workers was 32.5%, based on radiological study; the severity of pulmonary function impairment was significantly associated with increasing age, duration of exposure to dust, smoking status and presence of chronic obstructive

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Stonemasonry - Lung disease

This disease makes breathing more difficult and increases the risk of lung infections. Silicosis usually follows many years of exposure to RCS. Exceptionally high exposures over a few months or years can cause acute silicosis, which can cause death within months of exposure. Heavy and prolonged exposure to RCS under the conditions that produce silicosis can cause lung cancer. You may also ...

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EFFECT OF DURATION OF EXPOSURE TO SILICA DUST ON LUNG ...

Keywords:- Pulmonary function test, stone crusher workers, silica, lung function test, silicosis, duration of exposure INTRODUCTION disease and still kills thousands of people every Today the industrial revolution has brought about year all over the world. Silicosis is also known as the remarkable changes in ecosystem and Potter's rot. The full name of illness is atmosphere. The stone crushing ...

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Pulmonary alveolar microlithiasis - Wikipedia

Pulmonary alveolar microlithiasis (PAM) is a rare, inherited disorder of lung phosphate balance that is associated with small stone formation in the airspaces of the lung.

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Stone-masons disease definition of stone-masons disease ...

Silicosis is marked by the formation of lumps (nodules) and fibrous scar tissue in the lungs. It is the oldest known occupational lung disease, and is caused by exposure to inhaled particles of silica, mostly from quartz in rocks, sand, and similar substances.

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Stonemasonry - Lung disease

Heavy and prolonged exposure to RCS under the conditions that produce silicosis can cause lung cancer. You may also develop chronic obstructive pulmonary disease (COPD), which prevents you from...

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Pulmonary Problems among Quarry Workers of Stone Crushing ...

Considerable pulmonary function impairments have been reported in quarry workers. 9,10 In a study by Ghotkar, et al, 11 the prevalence of respiratory morbidity among stone quarry workers was 32.5%, based on radiological study; the severity of pulmonary function impairment was significantly associated with increasing age, duration of exposure to dust, smoking status and presence of chronic obstructive

More

EFFECT OF DURATION OF EXPOSURE TO SILICA DUST ON LUNG ...

Keywords:- Pulmonary function test, stone crusher workers, silica, lung function test, silicosis, duration of exposure INTRODUCTION disease and still kills thousands of people every Today the industrial revolution has brought about year all over the world. Silicosis is also known as the remarkable changes in ecosystem and Potter's rot. The full name of illness is atmosphere. The stone crushing ...

More

Silica‐associated lung disease: An old‐world exposure in ...

13/09/2019  Despite silica dust exposure being one of the earliest recognized causes of lung disease, Australia, USA, Israel, Turkey and other countries around the world have recently experienced significant outbreaks of silicosis.

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Stone dust in lungs, cutters wait for aid - Nine die of ...

Those suffering from the disease have all worked in stone-crushing units in Raniganj and Asansol areas. Driven by acute poverty — the area is two-crop (two crops are produced in a year) and the villagers are poor -— more than 200 people from Goaldaha and Debitala villages have migrated to Asansol and Raniganj areas, 250km away from Minakhan, to work at stone-crushing units. Although

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An investigation into respiratory health problems of ...

stone crushing industries in Bangladesh Ehtesham Kabir National Newborn and Child Health Cell, Integrated Management of Childhood Illness Section, Directorate General of Health Services, Dhaka, Bangladesh Aminul Islam Department of Journalism, Communication and Media Studies, Varendra University, Rajshahi, Bangladesh, and Md. Taufikuzzaman Department of Sociology, Varendra

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Reduction of Respirable Silica Following the Introduction ...

stone crushing operations has been linked to chronic lung disease and increased risk of tuberculosis. In India, most stone crushing mills operate without any dust control or containment systems. This investigation in the Khurda District of Orissa demonstrated a reduc-tion in respirable particulate mass following the appli- cation of a fine mist of water. Average respirable quartz and ...

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The biggest lung disease crisis since asbestos: Our love ...

An incurable and often fatal lung disease caused by breathing dust containing fragments of crystalline silica Silica in concrete, masonry, sandstone, rock, paint and other abrasives is released by cutting, drilling or blasting

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14 questions with answers in INTERSTITIAL LUNG DISEASE ...

15/01/2021  stone crushers are used quite often and people esp. in india are exposed to them without any prophylactic measures . it can cause all three forms of silicosis, and in india silicotuberculosis so ...

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Pulmonary Effects of IV Injection of Crushed Oral Tablets ...

Fig. 5 —43-year-old man with excipient lung disease from injection of pentazocine (Talwin, Sterling-Winthrop) tablets. Axial CT image of right lung base shows innumerable centrilobular nodules. Patient had injected pentazocine tablets in early 1970s before naloxone was added to tablets to discourage recreational drug use. Transbronchial biopsy showed crystalloid talc foreign-body inclusions ...

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Pulmonary problems among quarry workers of stone crushing ...

Chronic exposure to dust due to stone quarrying may increase the risk of respiratory problems and impaired lung function-cigarette smokers are at higher risk. Pulmonary problems among quarry workers of stone crushing industrial site at Umuoghara, Ebonyi State, Nigeria Int J Occup Environ Med. 2012 Oct;3(4):178-85. Authors A N Nwibo 1 , E I Ugwuja, N O Nwambeke, O F Emelumadu, L U

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Stonemasonry - Lung disease

Heavy and prolonged exposure to RCS under the conditions that produce silicosis can cause lung cancer. You may also develop chronic obstructive pulmonary disease (COPD), which prevents you from...

More

Silica‐associated lung disease: An old‐world exposure in ...

13/09/2019  Despite silica dust exposure being one of the earliest recognized causes of lung disease, Australia, USA, Israel, Turkey and other countries around the world have recently experienced significant outbreaks of silicosis.

More

In Rajasthan, sandstone miners and artisans suffering from ...

16/09/2020  Bhana, 42, who cut sandstone in a factory in the nearby town of Pindwada succumbed to silicosis, a lung disease. Now Akki Bai, mother of five young children, stands clueless, holding a

More

Respiratory Ailments of Stone Crusher Workers in ...

an epidemic of silicosis, cancer, other lung diseases and increases the risk of acquiring Tuberculosis (TB). This situation is particularly dire in India where the stone crushing industry employs over half a million people, many of whom are women and children. Ravindra (1991),Ghose (1989) and NIOSH (2002);occupational exposure to respirable crystalline silica is a serious but preventable ...

More

Reduction of Respirable Silica Following the Introduction ...

19/07/2013  Respirable crystalline silica dust generated during stone crushing operations has been linked to chronic lung disease and increased risk of tuberculosis. In India, most stone crushing mills operate without any dust control or containment systems. This nvestigation in the Khurda District of Orissa demonstrated a reduction in respirable particulate mass following the application of a fine mist ...

More

Mineral dust exposure in young Indian adults: an effect on ...

Swedish granite crushers had changes in lung function that were inconsistent with classic silicosis: the pattern seen was obstructive rather than restrictive.2 Lung function changes in South African gold miners were similar in workers with or without silicosis and it was implied that changes might have occurred independently and before the onset of silicosis, owing to a high exposure to dust.3 ...

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The biggest lung disease crisis since asbestos: Our love ...

An incurable and often fatal lung disease caused by breathing dust containing fragments of crystalline silica Silica in concrete, masonry, sandstone, rock, paint and other abrasives is released by cutting, drilling or blasting

More

Control of exposure to silica dust

prevent lung disease caused by exposure to silica at work. What is silica? Silica is a natural substance found in most rocks, sand and clay and in products such as bricks and concrete. Silica is also used as filler in some plastics. In the workplace these materials create dust when they are cut, sanded, carved etc. Some of this dust may be fine enough to breathe deeply into your lungs and ...

More

Pulmonary Effects of IV Injection of Crushed Oral Tablets ...

Fig. 5 —43-year-old man with excipient lung disease from injection of pentazocine (Talwin, Sterling-Winthrop) tablets. Axial CT image of right lung base shows innumerable centrilobular nodules. Patient had injected pentazocine tablets in early 1970s before naloxone was added to tablets to discourage recreational drug use. Transbronchial biopsy showed crystalloid talc foreign-body inclusions ...

More

Pulmonary problems among quarry workers of stone crushing ...

Chronic exposure to dust due to stone quarrying may increase the risk of respiratory problems and impaired lung function-cigarette smokers are at higher risk. Pulmonary problems among quarry workers of stone crushing industrial site at Umuoghara, Ebonyi State, Nigeria Int J Occup Environ Med. 2012 Oct;3(4):178-85. Authors A N Nwibo 1 , E I Ugwuja, N O Nwambeke, O F Emelumadu, L U

More

Pulmonary involvement ankylosing spondylitis

stone crushers exposed to silicon dust but with normal chest radiographs).6 7 Results LUNG FUNCTION AND LUNG VOLUMES Variables reflecting lung volumes andfunctions are Pulmonary involvement in ankylosing spondylitis 737 Table2 Lungfunctioninpatients (n=32)with ankylosingspondylitis Mean SD Percent-Significance value age of normal Static spirometry TLC 6-2 1

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[PDF] Silicosis in Stone Crushing Workers-A Retrospective ...

Introduction: Silicosis is a progressive, fibrotic and preventable occupational lung disease. Occupational exposure in stone crushing units to silica particles of size 0.5 to 5μm poses a hazard to the workers. Methods: Our study is a passive surveillance study of silicosis in the symptomatic workers referred from Occupational Disease Centre to Department of Radiodiagnosis for chest X-Ray and ...

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Respiratory Ailments of Stone Crusher Workers in ...

an epidemic of silicosis, cancer, other lung diseases and increases the risk of acquiring Tuberculosis (TB). This situation is particularly dire in India where the stone crushing industry employs over half a million people, many of whom are women and children. Ravindra (1991),Ghose (1989) and NIOSH (2002);occupational exposure to respirable crystalline silica is a serious but preventable ...

More

Reduction of Respirable Silica Following the Introduction ...

19/07/2013  Respirable crystalline silica dust generated during stone crushing operations has been linked to chronic lung disease and increased risk of tuberculosis. In India, most stone crushing mills operate without any dust control or containment systems. This nvestigation in the Khurda District of Orissa demonstrated a reduction in respirable particulate mass following the application of a fine mist ...

More

Kitchen Countertops Tied To Silicosis, Lung Damage, Deaths ...

02/10/2019  Irreversible lung disease has started to show up among young workers who cut, grind and polish countertops made of increasingly popular "engineered" stone. The material is

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Silicosis - Wikipedia

Agricola, in the mid-16th century, wrote about lung problems from dust inhalation in miners. In 1713, Bernardino Ramazzini noted asthmatic symptoms and sand-like substances in the lungs of stone cutters. With industrialization, as opposed to hand tools, came increased production of dust.

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In Rajasthan, sandstone miners and artisans suffering from ...

16/09/2020  Bhana, 42, who cut sandstone in a factory in the nearby town of Pindwada succumbed to silicosis, a lung disease. Now Akki Bai, mother of five young children, stands clueless, holding a

More

Control of exposure to silica dust

prevent lung disease caused by exposure to silica at work. What is silica? Silica is a natural substance found in most rocks, sand and clay and in products such as bricks and concrete. Silica is also used as filler in some plastics. In the workplace these materials create dust when they are cut, sanded, carved etc. Some of this dust may be fine enough to breathe deeply into your lungs and ...

More

Occupational lung diseases: from old and novel exposures ...

Unlike many other non-communicable lung diseases, the proximal causes of many occupational lung diseases are well understood and they should be amenable to control with use of established and effective approaches. Therefore, the risks arising from exposure to silica and asbestos are well known, as are the means of their prevention.

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