石墨是一种用途广泛的非金属,在其生产和加工过程中可产生大量的石墨粉尘。石墨尘肺是长期吸入较高浓度的生产性石墨粉尘并在肺内潴留而引起的以肺组织弥漫性纤维化为主的全身性疾病。患者表现多轻微,进展缓慢,早期咽干,可有咳嗽、咯痰,痰呈黑色。有并发症时可出现相应症状和体征。 Graphite is a versatile nonmetal that produces large amounts of graphite dust during its production and processing. Graphite pneumoconiosis is a systemic disease characterized mainly by diffuse fibrosis of lung tissue caused by long-term inhalation of higher concentrations of productive graphite dust and retention in the lungs. Patients with more mild, slow progress, early throat, may have cough, expectoration, sputum was black. There are complications may appear when the corresponding symptoms and signs.