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CN-122016550-A - Heat and gravity combined detection system for heavy metal and principal element of coal gangue

CN122016550ACN 122016550 ACN122016550 ACN 122016550ACN-122016550-A

Abstract

The invention provides a heat and gravity combined detection system for heavy metals and major elements of coal gangue, which belongs to the technical field of coal gangue detection and comprises a box body, wherein a movable seat is movably arranged at the top of the box body, a fixed box is fixed at the top of the movable seat, a lifting mechanism is fixedly arranged at the top of the fixed box, and a fixed plate is welded on the movable seat. When the invention is used, the suction force is generated by the exhaust fan, harmful gas in the box body enters the fixed annular pipe through the protective pipe, gas at different positions is extracted through the matching of the extraction annular pipe and the connecting hole, the heating column moves upwards while gas is extracted, the surface of the heating column is contacted with the conical groove for scraping, solid impurities adhered on the heating column are removed during the scraping, the solid impurities are driven to enter the collecting box through wind flow to collect and sample at the same time, the collecting box is heated after sampling, detection is carried out after heating, and the content of the detected gas is compared with the initial content of raw materials.

Inventors

  • SUN JIE
  • YAN XIAOYUN
  • XU XIAOTAO
  • TIAN XIAO
  • Di Shaobo

Assignees

  • 中国煤炭地质总局勘查研究总院

Dates

Publication Date
20260512
Application Date
20260310

Claims (10)

  1. 1. The utility model provides a coal gangue heavy metal and main quantity element's heat and gravity joint detection system, includes box (1), its characterized in that, the top movable mounting of box (1) has movable seat (3), the top of movable seat (3) is fixed with fixed box (4), the top fixed mounting of fixed box (4) has elevating system (5), the welding has fixed plate (6) on movable seat (3), the welding has lug (7) on the inner wall of fixed plate (6), movable mounting has water tank (8) between fixed plate (6), open on the avris of water tank (8) has recess (9), lug (7) slidable mounting is in the inside of recess (9), be fixed with handle (20) on movable seat (3), the inside fixed mounting of box (1) has weighing module (13), be fixed with support column (24) on weighing module (13), the one end of support column (24) is fixed with supporting seat (25).
  2. 2. The heat and weight combined detection system for the heavy metal and the main element of the coal gangue, which is disclosed in claim 1, is characterized in that a crucible (26) is movably arranged on the supporting seat (25), a heating seat (17) is movably arranged on the side of the supporting seat (25), an exhaust hole (27) is formed in the top of the heating seat (17), an air inlet pipe (16) is fixed on one side of the heating seat (17), and a display mechanism (10) is fixedly arranged on the side of the box body (1).
  3. 3. The heat and weight combined detection system for the heavy metal and the main element of the coal gangue is characterized in that a fan (15) is fixed at one end of an air inlet pipe (16), the fan (15) is arranged in a box body (1) through a motor base (14), a retainer plate (2) is movably arranged at one end of the box body (1), an opening (11) is formed in the top of the box body (1), a slot (12) is formed in the side of the opening (11), a sliding block is slidably arranged in the slot (12), and the sliding block is fixed at the bottom of a movable base (3).
  4. 4. The combined heat and weight detection system for heavy metal and main elements of coal gangue according to claim 1, wherein one end of the water tank (8) is fixedly provided with a fixed pipe (18), a conical pipe (19) is movably arranged in the fixed pipe (18), a threaded column (42) is rotatably arranged in the fixed pipe (18), the threaded column (42) is rotatably arranged at the other end of the water tank (8), and an opening (41) is formed in the top of the fixed pipe (18).
  5. 5. The combined heat and weight detection system for heavy metal and main elements of coal gangue according to claim 1, wherein a movable column (28) is arranged on the lifting mechanism (5), a conical seat (31) is fixed on the movable column (28), a ring seat (29) is movably arranged on the side of the conical seat (31), a fixed annular pipe (30) is fixed on the outer wall of the ring seat (29), and an extraction pipe (32) and a transverse pipe (35) are respectively fixed on the fixed annular pipe (30).
  6. 6. The combined heat and weight detection system for heavy metal and main elements of coal gangue according to claim 5, wherein a circulating pipe (34) is fixed on the transverse pipe (35), a collecting box (33) is fixed between the extracting pipe (32) and the circulating pipe (34), a dust collecting box is movably arranged in the collecting box (33), the dust collecting box is movably arranged on the side of the fixed box (4), and a heating column (22) is fixed at the bottom of the ring seat (29).
  7. 7. The combined heat and weight detection system for heavy metal and main elements of coal gangue as claimed in claim 6, wherein a protective tube (21) is fixed on the side of the heating column (22), a filter tank (23) is arranged on the side of the protective tube (21), one end of the protective tube (21) is fixed on a ring seat (29), a conical groove (40) is arranged on the ring seat (29), and an igniter is fixed on one end of the heating column (22).
  8. 8. The combined heat and weight detection system for heavy metals and principal elements in coal gangue according to claim 7, wherein a connecting hole (39) is fixed on the side of the conical groove (40), an extraction loop (38) is fixed at one end of the connecting hole (39), and the extraction loop (38) is connected with the fixed loop (30).
  9. 9. The combined heat and weight detection system for heavy metal and main elements of coal gangue according to claim 5, wherein an exhaust fan (36) is fixed at one end of the transverse pipe (35), an exhaust funnel (37) is fixed on the exhaust fan (36), one end of the exhaust funnel (37) is movably installed in the conical pipe (19), and a one-way exhaust valve is fixed in the conical pipe (19).
  10. 10. The combined heat and weight detection system for the heavy metal and the main element of the coal gangue, which is disclosed in claim 1, is characterized in that a heat insulation control box is fixed in the box body (1), a detection system is fixedly arranged in the heat insulation control box, the detection system comprises a temperature detection module and a pressure detection module, the temperature of the heated material is monitored in real time through the temperature detection module, and the weight of the crucible is monitored in real time through the pressure detection module.

Description

Heat and gravity combined detection system for heavy metal and principal element of coal gangue Technical Field The invention relates to the field of gangue detection equipment, in particular to a thermal-weight combined detection system for heavy metals and major elements of gangue. Background Along with the massive accumulation of the gangue, the gangue is easy to pollute the air and the soil due to the fact that the gangue is exposed in the air for a long time, so that the research and the utilization of the gangue are required to be quickened, and the gangue is required to be subjected to thermogravimetric detection, wherein a thermogravimetric analysis method is a standard method for measuring organic matters, inorganic matters and synthetic materials, and is simply the measurement of weight loss at a specific temperature or in a heating process. According to a thermogravimetric analysis device disclosed in the prior publication No. CN208043587U, the device comprises a hearth, a heating assembly, a control assembly and a weighing assembly, wherein the heating assembly is positioned on the periphery of the hearth; the technical scheme is characterized in that the heating curve is changed by judging the fluctuation amplitude of the weight of the sample, the fluctuation amplitude of the weight of the sample is adjusted within a preset threshold value, so that the boiling of the sample is avoided, the influence of splashing caused by boiling on a test result is avoided, and according to the technical scheme, although the boiling of the sample is effectively avoided, the material cannot be sampled and detected again after the material is heated, redundant harmful gas cannot be filtered and discharged during sampling and detection, and inconvenience exists during use. Disclosure of Invention Aiming at the defects existing in the prior art, the invention aims to provide a heat and gravity combined detection system for heavy metal and main element of coal gangue, so as to solve the problems in the prior art, the invention has novel structure, when in use, the suction force is generated by the exhaust fan, harmful gas in the box body is introduced into the fixed annular pipe through the protection pipe, the gas at different positions is extracted through the matching of the extraction annular pipe and the connecting hole, the heating column moves upwards when extracting gas, the surface of the heating column contacts with the conical groove to scratch, solid impurities adhered on the heating column are removed when scratch is performed, the solid impurities are driven to enter the collecting box through airflow to collect and sample when the solid impurities are removed, heating is performed after sampling, detection is performed after heating, and the content of the solid impurities is compared with the content of the raw materials after detection. In order to achieve the aim, the heat and weight combined detection system for the heavy metal and the main element of the coal gangue is achieved through the following technical scheme that the heat and weight combined detection system comprises a box body, a movable seat is movably arranged at the top of the box body, a fixed box is fixed at the top of the movable seat, a lifting mechanism is fixedly arranged at the top of the fixed box, a fixed plate is welded on the movable seat, a bump is welded on the inner wall of the fixed plate, a water tank is movably arranged between the fixed plates, a groove is formed in the side of the water tank, the bump is slidably arranged in the groove, a handle is fixed on the movable seat, a weighing assembly is fixedly arranged in the box body, a support column is fixed on the weighing assembly, and a support seat is fixed at one end of the support column. Further, the crucible is movably mounted on the supporting seat, the heating seat is movably mounted on the side of the supporting seat, the exhaust hole is formed in the top of the heating seat, the air inlet pipe is fixed on one side of the heating seat, and the display mechanism is fixedly mounted on the side of the box body. Further, the one end of intake pipe is fixed with the fan, the fan passes through the inside of motor cabinet installation at the box, the one end movable mounting of box has the backplate, open at the top of box has the opening, open side open has the fluting, grooved inside slidable mounting has the slider, the slider is fixed in the bottom of movable seat. Further, one end of the water tank is fixed with a fixed pipe, a conical pipe is movably installed in the fixed pipe, a threaded column is rotatably installed in the fixed pipe, the threaded column is rotatably installed at the other end of the water tank, and an opening is formed in the top of the fixed pipe. Further, a movable column is arranged on the lifting mechanism, a conical seat is fixed on the movable column, a ring seat is movably arranged on the side of the conical seat, a fixed annul