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function test in stone crushers
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Determining pulmonary function and the associated risk …
adu. Objectives: This study aims to assess pulmonary function and determine the associated risk factors among quarry workers. Materials and Methods: A comparative, cross-sectional study was conducted from April 2014 to January 2015 among workers at seven stone quarries in Chennai and residents within a 5 Km radius. Pulmonary …
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(PDF) Pulmonary function among stone quarry workers in …
Results: We observed a significant reduction in lung function in subjects having duration of exposure above 10 years (Group III) with respect of stone crushers …
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Comparing Different Types of Stone Crushers
They play a critical role in the process of crushing stones. From building highways, railroads, and buildings to creating cement, stone crushers are indispensable. Their capacity to turn massive stones into granules or fine particles is why they're so widely used in the construction and mining industries. Different types of stone crushers
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Primary Crusher vs. Secondary Crusher: Understanding Their …
The primary crusher is the first stage in the crushing process, while the secondary crusher is the second stage. Function and Operation: The function of the primary crusher is to break down the larger rocks and stones into manageable sizes, while the function of the secondary crusher is to further refine these sizes into the desired …
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Pulmonary Function Test in Stone Crusher Plant Workers
The objective of this study was to study the pulmonary function test in stone crusher workers. This study was conducted at Stone crusher plant located at Nagaur district (Ajmer region) of Western Rajasthan. Male workers working at site were included in this study, this study was conducted on 100 subjects out of which 50 non-controls and 50 were ...
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Impact Crusher Working Principle
A new testing procedure for studying crushing phenomena, presently being perfected by Allis-Chalmers, is described for the first time. ... benefit crushed stone producers. ... The pendulum product …
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Assessment of Pulmonary Functions in Stone Crusher …
The Spiro metric pulmonary function tests (PFT) were studied in stone crusher workers (n = 120) and normal healthy controls (n =120) from the Karad taluka Western region in …
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Pulmonary function tests in stone crushers.
A cross-sectional type of observational study was conducted at 7 various stone crusher units on 120 male stone crushers and 120 healthy male controls. Values of FEF25 …
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Pulmonary Function Test in Stone Crusher Plant Workers …
The pulmonary function was performed in quarry workers and controls. Pulmonary functions were assessed by using computerised spirometer. On statistical analysis of …
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Cone Crusher Diagram: Simplified Guide
Construction: They are heavily involved in the production of high-quality aggregates used in the construction of concrete, roadways, and other infrastructure projects.They are employed in the crushing of hard rocks, such as quartzite, granite, and basalt, into various sized gravel, crushed stone, and sand particles.
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Air pollution in stone crushing industry, and associated
Fine inhalable particulate matter (PM2.5) which has more associated human health problems was found high in the work place of stone crushers. Health survey viz., Pulmonary function test, blood sample test, general clinical evaluation was conducted to assess the extent of the damage caused to the workers.
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Types of Crushers: What You Need to Know
In 1883 Mr. Blake challenged Mr. Gates to crush 9 cubic yards of stone in a contest to see which crusher would finish the job faster. The Gates crusher completed the task 40 minutes sooner! The Gates' gyratory crushers were preferred by the mining industry for almost two decades until the turn of the century, circa 1910, when Blake's jaw ...
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A Comprehensive Guide To Stone Crusher Installation
The correct installation of stone crusher is imperative for safe and efficient long-term operation. As key equipment in crushing applications, stone crusher equipment must be set up precisely according to engineering specifications. ... Perform function tests with hydraulic power cycling. Hydraulic integrity ensures smooth remote control of ...
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[PDF] 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. BACKGROUND Respiratory problem is one of the major health hazards in dust-exposed workers; it is a major cause of morbidity and mortality all over the world. OBJECTIVE To determine the …
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Pulmonary function tests in stone crushers
Abstract. A cross-sectional type of observational study was conducted at 7 various stone crusher units on 120 male stone crushers and 120 healthy male controls. Values of FEF25-27% and PEFR were recorded on computerized spirometer and were compared …
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Pulmonary function tests in stone crushers.
Stone crushers of Marathwada region of Maharashtra exposed to silica dust were prone to develop lung disorders as indicated by reduced value of FEF25-75% and PEFR. A cross-sectional type of observational study was conducted at 7 various stone crusher units on 120 male stone crushers and 120 healthy male controls. Values of FEF25-27% and …
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Short Communication Pulmonary function tests in stone …
PEFR was significantly reduced in stone crushers as compared to controls. Also as the duration of exposure increases the values of flow rates goes on decreasing among …
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Original Research Article DOI: 10.5958/2394 …
Keywords: Pulmonary function test, Stone crusher workers, Silica, Duration of exposure, Occupational disease. Introduction India is a developing country and the construction
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Pulmonary function among stone quarry workers in …
10 years (Group III) with respect of stone crushers with duration of exposure up to 5 years (Group I) and 6 to 10 years of exposure (Group II). Lung function tests revealed a statistically significant (P < 0.05) reduction in lung function test parameters among manual workers compared to non-manual group of workers and
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Comparison of pulmonary function test abnormalities between stone
Comparing pulmonary functions of stone crushing workers with those of nonexposed agricultural workers in West Bengal, India found a higher prevalence of restrictive impairment among the exposed group and aHigher prevalence of obstructive impairment in the nonexposed group. ObjectivesThe aim of this study is to examine the …
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Assessment of Pulmonary Functions in Stone Crusher …
Stone crushing work is widely carried out in different parts of Maharashtra, particularly in adjoining villages of major cities having hilly regions. The main aim of the present study was to analyze the pulmonary function tests finding in stone crusher workers in Western Maharashtra taking Karad region as a prototype. In Karad taluka the various
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Comparison of pulmonary function test abnormalities between stone
Objectives: The aim of this study is to examine the effects of stone crushing in West Bengal, India, by comparing pulmonary functions of stone crushing workers with those of nonexposed agricultural workers. Methods: Two hundred seventy two stone crushing workers and 123 nonexposed workers were analyzed in terms of occupational and …
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EFFECT OF DURATION OF EXPOSURE TO SILICA DUST …
Pulmonary function tests were recorded in 120 male stone crusher workers. Intergroup statistical analysis amongst the workers depending on duration of exposure was carried out by Analysis
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Respiratory Health and Urinary Trace Metals among Artisanal Stone …
Among the 21 participants with fully acceptable spirometry, those who were free of respiratory symptoms (n = 11, 4 taxi-drivers and 7 stone-crushers) did not have better pulmonary function than those who reported at least one respiratory symptom (n = 10, 7 taxi-drivers and 3 stone-crushers), except for FVC, which was higher among the …
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Deterioration of pulmonary function with duration of …
It was concluded from this study that pulmonary function test decreases as duration of exposure to silica dust increases, which may increase the risk the respiratory problems. Background and Objectives: In stone crusher workers, one of the major health hazards is respiratory disorder. Globally, it is most common occupational disease and a major …
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Comparison of pulmonary function test abnormalities …
The aim of this study is to examine the effects of stone crushing in West Bengal, India, by comparing pulmonary functions of stone crushing workers with those of nonexposed …
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Deterioration of pulmonary function with duration of …
Two hundred seventy two stone crushing workers and 123 nonexposed workers were analyzed in terms of occupational and personal histories, radiological findings, and pulmonary function test (PFT ...
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Pulmonary function tests in stone crushers
The Spiro metric pulmonary function tests (PFT) were studied in stone crusher workers (n = 120) and normal healthy controls (n =120) from the Karad taluka …
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Deterioration of pulmonary function in stone quarry …
Workers at stone crushing site are exposed to silica dust which leads to pulmonary function deterioration. The objective of this study was to study the pulmonary function test in stone crusher ...
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Rock Crushers, Jaw Crushers
The 250-80 series include Stone Crushers with Special Blades and related accessories, such us Separators, Tipper Containers, Conveyor Belts (and others) are designed to recycle raw materials and scraps from processing of stone, marble, granite, porphyry, quartz, ceramics, building demolitions, similar material and glass, in small and large size, …
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Selecting the right crusher for your operations
Cone crushers can form finished products down to 12mm or less. Like the jaw crusher, the cone crusher provides a relatively low cost crushing solution, but there are application drawbacks that may make another crushing solution more appealing. First, cone crushers cannot accept all material sizes.
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Comparison of Pulmonary Function Test Abnormalities between Stone
The Spiro metric pulmonary function tests (PFT) were studied in stone crusher workers (n = 120) and normal healthy controls (n =120) from the Karad taluka Western region in Maharashtra state.
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INVOLVEMENT OF LUNG AND LUNG FUNCTION TESTS IN STONE …
It can be concluded from this study that even low dust level exposure for longer duration can result in lung and lung function involvement, and stone quarry workers, because of their occupational exposure to silica dust, are at increased risk of lung and Lung function involvement. 3Summary: The workers employed in stone quarries, which is an …
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Comparison of pulmonary function test abnormalities …
Methods: Two hundred seventy two stone crushing workers and 123 nonexposed workers were analyzed in terms of occupational and personal histories, radiological findings, and …
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Silica-Induced Airway Damage: A Matched Comparative …
debilitating illness. These changes are reflected in form of impaired lung function tests. This cross-sectional study was designed to determine the effect of silica on pulmonary function test of stone crusher workers of Jammu region. The study was carried out among 18 to 55 years aged 100 male stone crusher workers and 100
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Crushing Test or Compression strength Test on stone
Compression strength test of stone is determined in this type of test. Procedure: The sample taken for the test should be a cube of size 40mm×40mm×40mm or 50mm×50mm×50mm. The sides of the cubes are made smooth by dressing and polishing.