CN115773988B - Coal quality analysis equipment - Google Patents
Coal quality analysis equipment Download PDFInfo
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- CN115773988B CN115773988B CN202310064946.3A CN202310064946A CN115773988B CN 115773988 B CN115773988 B CN 115773988B CN 202310064946 A CN202310064946 A CN 202310064946A CN 115773988 B CN115773988 B CN 115773988B
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Abstract
The invention provides coal quality analysis equipment, which belongs to the technical field of analysis equipment and comprises a draw-bar box, an analysis system, a detection head, a detection box and a light-transmitting plate. The draw-bar box comprises a box body. The analysis system is arranged in the box body. The detection head is connected with the analysis system through an optical fiber bundle and a cable. The detection box is connected with the box body. The light-transmitting plate is horizontally arranged and embedded in the bottom wall of the detection box. The coal quality analysis equipment provided by the invention can be used for analyzing the coal quality on site, so that the problem of low efficiency caused by transporting a sample to a laboratory for analysis can be avoided.
Description
Technical Field
The invention belongs to the technical field of analytical equipment, and particularly relates to coal quality analytical equipment.
Background
The coal quality analysis equipment comprises an analysis system and a detection head connected with the analysis system through an optical fiber bundle and a cable, wherein a light beam emitted by the detection head irradiates on a sample, and radiation generated after the light beam reacts with the sample enters the detection head and is guided into the analysis system through the optical fiber bundle for analysis, so that the data of the sample is collected and analyzed. Because present coal quality analytical equipment is used for in the laboratory mostly, this just leads to in fields such as customs, when needing to carry out the analysis to coal quality, presses the cubic sample of buggy pressure of taking a sample, then transports the sample of making to the laboratory and analyzes, and efficiency is lower.
Disclosure of Invention
The invention aims to provide coal quality analysis equipment, and aims to solve the problem of low efficiency when a sample is transported to a laboratory for analysis.
In order to realize the purpose, the invention adopts the technical scheme that: provided is a coal quality analysis device which comprises a draw-bar box, an analysis system, a detection head, a detection box and a light-transmitting plate. The draw-bar box comprises a box body. The analysis system is arranged in the box body. The detection head is connected with the analysis system through an optical fiber bundle and a cable, and the detection head is detachably connected with the box body. The detection box is connected with the box body. The light-transmitting plate is horizontally arranged and embedded in the bottom wall of the detection box. The detection head is located under the light-transmitting plate, and light beams emitted by the detection head can penetrate through the light-transmitting plate to irradiate into the detection box.
In one possible implementation manner, the coal quality analysis device further comprises a fixing piece and a fixing ring. The mounting is located the below of detection case and set firmly in on the lateral wall of box, the mounting is equipped with the through-going hole of the vertical setting of axial lead, the cross-sectional area that the through-going hole was shoulder hole and upper end is great, the lateral part of mounting be equipped with the opening of through-going hole intercommunication. The fixing ring is sleeved and fixed outside the detection head, and the fixing ring is slidably arranged in a section of the through hole with a larger cross-sectional area.
In one possible implementation manner, the coal quality analysis device further comprises a rotating shaft, a driving assembly and a plurality of sample tubes. The axis of rotation is located detection incasement and vertical setting, the axis of rotation with the detection case rotates and is connected. The drive assembly is located in the detection box and connected with the rotating shaft, and the drive assembly is used for driving the rotating shaft to rotate. A plurality of sample tubes are uniformly distributed around the rotating shaft, and the axial leads of the sample tubes are vertically arranged and fixedly connected with the rotating shaft. The rotating shaft rotates to enable the sample tubes to be sequentially located on the light-transmitting plate.
In a possible implementation manner, the coal quality analysis device further comprises a feeding pipe, a first telescopic assembly and a first pressing block. The inlet pipe is vertical to be arranged and penetrates through the top wall of the detection box, and the inlet pipe is located above the sample tube. First flexible subassembly is located in the detection case and set firmly in on the roof of detection case, first flexible subassembly has the first flexible end that can follow vertical direction. The first pressing block is fixedly arranged on the first telescopic end of the first telescopic assembly. When one of the sample tubes is positioned on the light-transmitting plate, the other two sample tubes are respectively positioned at the feed pipe and the first pressing block, the feed pipe is coaxially aligned with the sample tube at the position, and the first pressing block can penetrate into or withdraw from the sample tube at the position along with the telescopic sliding of the first telescopic end of the first telescopic component.
In a possible implementation manner, the coal quality analysis device further comprises a second telescopic assembly and a second pressing block. The flexible subassembly of second is located in the detection case and set firmly in on the roof of detection case, the flexible subassembly of second has the flexible end of second that can follow vertical direction, the flexible subassembly of second with first flexible subassembly symmetry is located the both sides of axis of rotation. The second pressing block is fixedly arranged on the second telescopic end of the second telescopic assembly. The material leakage hole is formed in the bottom wall of the detection box, the diameter of the material leakage hole is not smaller than the inner diameter of the sample tube, the material leakage hole is located under the second pressing block, when one of the sample tubes is located on the light-transmitting plate, another sample tube is coaxially aligned with the material leakage hole, and the second pressing block can penetrate into or withdraw from the sample tube coaxially aligned with the material leakage hole along with the telescopic sliding of the second telescopic end of the second telescopic assembly.
In a possible implementation mode, the detection case is located on the box, the top surface of box is equipped with and is located the sliding tray under leaking the material hole, the sliding tray can accept the material that drops in leaking the material hole, the sliding tray to one side of box runs through the box, the contained angle setting is personally submitted with the level to the bottom surface of sliding tray, so that material in the sliding tray can along the bottom surface roll-off of sliding tray the sliding tray.
In one possible implementation, the coal quality analysis device further comprises a closed shaft. One end of the closed shaft is a conical part. The suction pipe is sleeved in the middle of the closed shaft, one end of the suction pipe, corresponding to the conical part, is provided with a conical surface which is matched and butted with the conical part, and the suction pipe is detachably connected with the closed shaft. When the suction pipe is disconnected from the closed shaft and the closed shaft is withdrawn from the suction pipe, the extraction mechanism is connected with one end, far away from the conical surface, of the suction pipe to extract gas in the suction pipe.
In a possible implementation manner, the suction pipe corresponds the inner wall of the other end of the conical surface is provided with an inward concave depressed part, the depressed part is provided with a first internal thread, the side wall of the closed shaft is provided with an outward convex protruding part, and the protruding part is arranged in the depressed part in a penetrating manner and is provided with a first external thread connected with the first internal thread.
In a possible implementation manner, the straw is used for setting up the lateral wall of the one end of depressed part is equipped with the second external screw thread, extraction mechanism includes collecting box, L type pipe, filter screen, air exhauster and rubber buffer. The collecting box is provided with an air outlet and a discharge hole. One end of the L-shaped pipe is fixedly arranged on the collecting box and is communicated with the inside of the collecting box, a second internal thread is arranged on the inner wall of the other end of the L-shaped pipe, and the second internal thread can be in threaded connection with the second external thread. The filter screen is located in the collecting box and covers the air outlet, and the filter screen is fixedly connected with the collecting box. The exhaust fan is fixedly arranged on the collecting box, and an air inlet of the exhaust fan is communicated with the air outlet. The rubber stopper is arranged in the discharge port in a penetrating way.
In a possible implementation manner, the coal quality analysis device further comprises a limiting plate and a supporting plate. The limiting plate is horizontally arranged and fixedly arranged on the side wall of the box body, two positioning holes are formed in the limiting plate, and the two positioning holes are respectively matched with the outer diameter of the suction pipe and the outer diameter of the L-shaped pipe. The bearing plate is horizontally arranged and fixedly arranged on the side wall of the box body, and the bearing plate is positioned right below the positioning hole matched with the outer diameter of the suction pipe.
In the embodiment of the application, the detection system and the detection head can be brought to the site where the coal quality needs to be analyzed through the draw-bar box. After the disconnection detects head and the connection of box, can directly shine the sample through detecting the head and carry out the analysis, also can be connected detecting the head and box, and put the sample on the light-passing board, the light beam that detects the head and send sees through this light-passing board, thereby shine on the sample on the light-passing board, the radiation that produces after light beam and the sample reaction passes the light-passing board again and gets into and detects the head, and guide into analytic system through the optical fiber bundle and carry out the analysis, no matter what kind of detection mode, can all carry out the analysis to the coal quality on the scene, so can avoid transporting the sample to the laboratory and carry out the analysis, the lower problem of efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram 1 of an axial measurement structure of a coal quality analysis device according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;
FIG. 3 is an enlarged schematic view of a portion B of FIG. 1;
fig. 4 is a schematic diagram 2 of an axial measurement structure of a coal quality analysis apparatus according to an embodiment of the present invention;
fig. 5 is an enlarged structural view of a part C in fig. 4;
fig. 6 is a schematic axial view of a structure of a coal quality analysis device according to an embodiment of the present invention after a draw-bar box is connected to a part of components;
fig. 7 is a schematic diagram 1 of an axial cross-sectional structure of a coal analysis apparatus according to an embodiment of the present invention after a detection box is connected to a part of components;
fig. 8 is a schematic axial sectional view of a coal analysis apparatus according to an embodiment of the present invention, after a detection box is connected to a part of the components;
fig. 9 is a schematic cross-sectional axial view illustrating a suction pipe connected to an extraction mechanism of a coal analyzing apparatus according to an embodiment of the present invention;
FIG. 10 is an enlarged schematic view of a portion D of FIG. 9;
fig. 11 is an enlarged schematic view of a portion E of fig. 9;
fig. 12 is a schematic axial view of a closed shaft in a coal quality analysis apparatus according to an embodiment of the present invention.
In the figure: 1. a draw-bar box; 11. a box body; 111. a sliding groove; 2. a detection head; 21. fiber optic bundles and cables; 3. a detection box; 31. a material leaking hole; 4. a light-transmitting plate; 5. a fixing member; 51. perforating holes; 52. opening the gap; 6. a fixing ring; 7. a rotating shaft; 8. a drive assembly; 81. a drive motor; 82. a gear; 9. a sample tube; 10. a feed pipe; 110. a first telescoping assembly; 120. a first pressing block; 130. a second telescoping assembly; 140. a second pressing block; 150. a closed shaft; 1501. a tapered portion; 1502. a boss portion; 160. a straw; 1601. a conical surface; 1602. a recessed portion; 1701. a collection box; 17011. an air outlet; 17012. a discharge port; 17013. a reduction section; 1702. an L-shaped pipe; 1703. a filter screen; 1704. an exhaust fan; 1705. a rubber plug; 180. a limiting plate; 1801. positioning holes; 190. a support plate; 200. a shaft sleeve; 210. fixing the column; 220. a storage tank; 230. a connection assembly; 2301. connecting columns; 2302. a connecting plate; 2303. and connecting the bolts.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, 2, 4 and 7, a coal quality analyzing apparatus according to the present invention will now be described. The coal quality analysis equipment comprises a draw-bar box 1, an analysis system, a detection head 2, a detection box 3 and a light-transmitting plate 4. The draw-bar box 1 comprises a box body 11. The analysis system is provided in the case 11. The detection head 2 is electrically connected with the analysis system through an optical fiber bundle and a cable 21, and the detection head 2 is detachably connected with the box body 11. The detection box 3 is connected with the box body 11. The light-transmitting plate 4 is horizontally arranged and embedded in the bottom wall of the detection box 3. Wherein, detect head 2 and be located light-passing board 4 under, and the light beam that detects head 2 and send can shine into detection case 3 through light-passing board 4.
Compared with the prior art, the coal quality analysis equipment provided by the invention has the advantages that the detection system and the detection head 2 can be brought to a site needing to analyze the coal quality through the draw-bar box 1. After the connection between the detection head 2 and the box body 11 is disconnected, a sample can be directly irradiated by the detection head 2 for analysis, the detection head 2 and the box body 11 can also be connected, the sample is placed on the light-transmitting plate 4, the light beam emitted by the detection head 2 penetrates through the light-transmitting plate 4 and then irradiates on the sample on the light-transmitting plate 4, the radiation generated after the reaction of the light beam and the sample passes through the light-transmitting plate 4 to enter the detection head 2 and is guided into an analysis system for analysis through the optical fiber bundle, and the coal quality can be analyzed on site no matter what detection mode is adopted, so that the problem of low efficiency caused by the fact that the sample is transported to a laboratory for analysis can be avoided.
In some embodiments, referring to fig. 2, 4, and 6, the coal analysis apparatus further includes a fixture 5 and a fixture ring 6. The fixing part 5 is located below the detection box 3 and fixedly arranged on the side wall of the box body 11, the fixing part 5 is provided with a through hole 51 with an axial lead vertically arranged, the through hole 51 is a stepped hole, the cross sectional area of the upper end of the through hole is large, and the side part of the fixing part 5 is provided with a notch 52 communicated with the through hole 51. The fixing ring 6 is sleeved and fixed outside the detection head 2, and the fixing ring 6 is slidably arranged in a section of the through hole 51 with a larger cross-sectional area. The fixing ring 6 slides upwards to withdraw from the through hole 51, so that the connection between the detection head 2 and the box body 11 can be disconnected, and the detection device is simple and convenient. The gap 52 is used for the optical fiber bundle and the cable 21 to enter or exit the through hole 51.
In this embodiment, the optical fiber bundle and the cable 21 may be integrally disposed, and the transparent plate 4 is located on one side of the housing 11.
In some embodiments, referring to fig. 7 and 8, the coal analysis apparatus further includes a rotating shaft 7, a drive assembly 8, and a plurality of sample tubes 9. The rotating shaft 7 is located in the detection box 3 and is vertically arranged, and the rotating shaft 7 is rotatably connected with the detection box 3. The driving component 8 is located in the detection box 3 and connected with the rotating shaft 7, and the driving component 8 is used for driving the rotating shaft 7 to rotate. A plurality of sample tubes 9 are uniformly distributed around the rotating shaft 7, and the axial lead of each sample tube 9 is vertically arranged and fixedly connected with the rotating shaft 7. Wherein, the rotation of the rotating shaft 7 can make a plurality of sample tubes 9 be located on the light-transmitting plate 4 in sequence. A plurality of sample tubes 9 may be used to hold samples therein. The driving component 8 drives the rotating shaft 7 to rotate so that the plurality of sample tubes 9 are sequentially positioned on the light-transmitting plate 4, that is, the plurality of samples are sequentially positioned on the light-transmitting plate 4, so that the plurality of samples can be continuously detected.
In this embodiment, the upper surface of the light-transmitting plate 4 is flush with the upper surface of the bottom wall of the detection case 3.
Further, the drive assembly 8 comprises a drive motor 81 and two meshed gears 82. The driving motor 81 is fixedly connected with the detection box 3. Two meshed gears 82 are respectively sleeved and fixed on the output shaft of the driving motor 81 and the rotating shaft 7. The driving motor 81 drives the rotation shaft 7 to rotate through two meshed gears 82.
Furthermore, the both ends of axis of rotation 7 are laminated with the roof and the diapire of box 11 respectively. The coal quality analysis equipment further comprises two shaft sleeves 200, wherein the two shaft sleeves 200 are sleeved on the rotating shaft 7 and are fixedly connected with the top wall and the bottom wall of the detection box 3 respectively. The rotating shaft 7 rotates in the two shaft sleeves 200, and the two shaft sleeves 200 can limit other degrees of freedom of the rotating shaft 7, so that the rotating shaft 7 is rotatably connected with the detection box 3.
Further, a fixing column 210 is arranged between each sample tube 9 and the rotating shaft 7, and two ends of each fixing column 210 are fixedly connected with the corresponding sample tube 9 and the corresponding rotating shaft 7 respectively, so that the sample tubes 9 and the rotating shafts 7 are fixedly connected.
In some embodiments, referring to fig. 7 and 8, the coal analyzing apparatus further includes a feed pipe 10, a first telescoping assembly 110, and a first briquette 120. The feed pipe 10 is vertically arranged and penetrates through the top wall of the detection box 3, and the feed pipe 10 is positioned above the sample tube 9. First flexible subassembly 110 is located detection case 3 and sets firmly on detection case 3's roof, and first flexible subassembly 110 has the first flexible end that can follow vertical direction. The first pressing block 120 is fixedly disposed on the first telescopic end of the first telescopic assembly 110. When one of the sample tubes 9 is located on the light-transmitting plate 4, the other two sample tubes 9 are located at the feeding tube 10 and the first pressing block 120 respectively, the feeding tube 10 is coaxially aligned with the sample tube 9 at the position, and the first pressing block 120 can penetrate into or withdraw from the sample tube 9 at the position along with the telescopic sliding of the first telescopic end of the first telescopic assembly 110. The sampling coal powder is poured into the sample tube 9 coaxially aligned with the feeding tube 10 through the feeding tube 10, and when the sample tube 9 reaches the first pressing block 120 along with the rotation of the rotating shaft 7, the first telescopic end of the first telescopic assembly 110 enables the first pressing block 120 to slide and penetrate into the sample tube 9 through extension, so that the coal powder in the sample tube 9 is pressed into a blocky sample. Then the first telescopic assembly 110 is contracted, the first pressing block 120 slides out of the sample tube 9, so that the rotating shaft 7 can continue to rotate.
In this embodiment, the first telescoping assembly 110 may be an electronic push rod or other known prior art. The feed tube 10 has the same inner diameter as the sample tube 9.
In some embodiments, referring to fig. 7 and 8, the coal analysis apparatus further includes a second telescoping assembly 130 and a second briquetting 140. The flexible subassembly 130 of second is located detection case 3 and sets firmly on the roof of detection case 3, and the flexible subassembly 130 of second has the flexible end of second that can follow vertical direction, and the both sides of axis of rotation 7 are located to the flexible subassembly 130 of second and first flexible subassembly 110 symmetry. The second pressing block 140 is fixedly disposed on the second telescopic end of the second telescopic assembly 130. Wherein, be equipped with the hourglass material hole 31 that the diameter is not less than sample cell 9 internal diameter on the diapire of detection case 3, leak material hole 31 is located second briquetting 140 under, wherein, when one of them sample cell 9 is located the light-transmitting board 4, another sample cell 9 is coaxial to being adjusted well with hourglass material hole 31, and second briquetting 140 can penetrate or withdraw from along with the flexible slip of the flexible end of second telescopic parts 130 in the sample cell 9 coaxial to being adjusted well with hourglass material hole 31. When the analysis of the sample in the sample tube 9 on the transparent plate 4 is completed, the sample tube 9 is coaxially aligned with the material leakage hole 31 along with the rotation of the rotating shaft 7, and the second telescopic end of the second telescopic assembly 130 is extended, so that the second pressing block 140 is slidably inserted into the sample tube 9, and the sample in the sample tube 9 slides out of the sample tube 9 and falls out of the detection box 3 along the material leakage hole 31.
In this embodiment, the second telescoping assembly 130 may be an electronic push rod or other known prior art.
Further, a storage tank 220 or other container for storing the sample may be provided on the detection box 3.
In some embodiments, referring to fig. 4, fig. 6, and fig. 8, the detection box 3 is located on the box body 11, the top surface of the box body 11 is provided with a sliding groove 111 located right below the material leaking hole 31, the sliding groove 111 can receive materials dropping from the material leaking hole 31, the sliding groove 111 penetrates through the box body 11 towards one side of the box body 11, and the bottom surface of the sliding groove 111 forms an included angle with the horizontal plane, so that the materials in the sliding groove 111 can slide out of the sliding groove 111 along the bottom surface of the sliding groove 111. The sample falling from the material leaking hole 31 falls into the sliding groove 111 and slides out of the sliding groove 111 along the bottom surface of the sliding groove 111, the sliding groove 111 penetrates through one end of the box body 11 to receive the sliding sample, and then the sample is stored.
In the present embodiment, referring to fig. 5 and 6, the detection box 3 is detachably connected to the box body 11 by a plurality of connection assemblies 230. The connection assembly 230 includes a connection column 2301, a connection plate 2302, and a connection bolt 2303. The vertical setting of spliced pole 2301 just sets firmly on box 11, and spliced pole 2301 is equipped with the vertical screw hole that sets up of axial lead. Connecting plate 2302 sets up and sets firmly on detection case 3 horizontally, and connecting plate 2302 and spliced pole 2301's up end laminating. The connecting bolt 2303 is inserted into the connecting plate 2302 and the threaded hole and is in threaded connection with the threaded hole.
In some embodiments, referring to fig. 1, 3, and 12, the coal analysis apparatus further comprises an enclosed shaft 150. One end of the closure shaft 150 is a tapered portion 1501. The suction pipe 160 is sleeved in the middle of the closed shaft 150, one end of the suction pipe 160 corresponding to the conical portion 1501 is provided with a conical surface 1601 matched and butted with the conical portion 1501, and the suction pipe 160 is detachably connected with the closed shaft 150. Wherein, when the suction pipe 160 is disconnected from the sealing shaft 150 and the sealing shaft 150 is withdrawn from the suction pipe 160, the extraction mechanism is connected to an end of the suction pipe 160 away from the conical surface 1601 to extract the gas in the suction pipe 160. When the coal quality is analyzed, a sample needs to be taken from the inside of the coal pile for analysis, at this time, the closed shaft 150 and the suction pipe 160 which are connected together are firstly inserted into the coal pile through the conical part 1501 and the conical surface 1601, then the connection between the closed shaft 150 and the suction pipe 160 is disconnected, the closed shaft 150 is drawn out from the suction pipe 160, after the detection, the extraction mechanism is connected with one end of the suction pipe 160, which is far away from the conical surface 1601, and the extraction mechanism extracts gas in the suction pipe 160, so that coal dust in the coal pile is drawn into the extraction mechanism along the suction pipe 160, and then the sampled coal dust is poured into the feeding pipe 10.
In some embodiments, referring to fig. 1, 11 and 12, the inner wall of the suction pipe 160 corresponding to the other end of the conical surface 1601 has an inward concave portion 1602, the concave portion 1602 is provided with a first internal thread, the side wall of the closed shaft 150 has an outward convex portion 1502, and the convex portion 1502 penetrates through the concave portion 1602 and is provided with a first external thread in threaded connection with the first internal thread. The suction pipe 160 is detachably connected to the closing shaft 150 by the threaded connection of the first internal thread and the first external thread.
In this embodiment, the end surface of the closing shaft 150 remote from the tapered portion 1501 is provided with a hexagonal recess, so that the closing shaft 150 can be driven to rotate by means of an internal hexagonal wrench, thereby connecting or disconnecting the first internal thread to the first external thread.
In some embodiments, referring to fig. 9, 10 and 11, the outer side wall of the end of the suction tube 160 for disposing the recess 1602 is provided with a second external thread, and the extraction mechanism further comprises a collection tank 1701, an L-shaped tube 1702, a filter screen 1703, an exhaust fan 1704 and a rubber stopper 1705. The collection box 1701 is provided with an air outlet 17011 and a discharge port 17012. One end of the L-shaped pipe 1702 is fixedly arranged on the collection box 1701 and is communicated with the interior of the collection box 1701, the inner wall of the other end is provided with a second internal thread, and the second internal thread can be connected with a second external thread. The filter screen 1703 is located in the collecting box 1701 and covers the exhaust vent 17011, and the filter screen 1703 is fixedly connected with the collecting box 1701. The suction fan 1704 is fixedly installed on the collection tank 1701 and an air inlet of the suction fan 1704 is communicated with the air outlet 17011. The rubber stopper 1705 is inserted into the discharge port 17012. After the closed shaft 150 is withdrawn from the suction pipe 160, one end of the L-shaped pipe 1702 for providing the second internal thread is used for being sleeved outside one end of the suction pipe 160 for providing the second external thread, so that the second internal thread is in threaded connection with the second external thread, that is, the detachable connection of the extraction mechanism and the suction pipe 160 is realized, after the exhaust fan 1704 is opened, the pulverized coal inside the coal pile sequentially enters the L-shaped pipe 1702 and the collection tank 1701 along the suction pipe 160, is intercepted by the filter screen 1703 and then is left in the collection tank 1701, the exhaust fan 1704 is stopped, and the threaded connection of the second internal thread and the second external thread is disconnected. The coal dust can be poured out of the collection container 1701 by pulling out the rubber stopper 1705.
Further, the box body 11 has a reducing section 17013 with a gradually reduced cross section, and the discharge port 17012 is in butt joint with the end with the smaller cross section of the reducing section 17013, so that the pulverized coal in the collecting box 1701 can be poured out conveniently.
In some embodiments, referring to fig. 1, 3, and 6, the coal analysis apparatus further includes a limiting plate 180 and a support plate 190. The limiting plate 180 is horizontally disposed and fixedly disposed on the sidewall of the box 11, and two positioning holes 1801 are disposed on the limiting plate 180, and the two positioning holes 1801 are respectively matched with the outer diameter of the suction pipe 160 and the outer diameter of the L-shaped pipe 1702. The supporting plate 190 is horizontally disposed and fixedly disposed on the sidewall of the box body 11, and the supporting plate 190 is located right below the positioning hole 1801 matched with the outer diameter of the suction pipe 160. After the sampling operation is completed, the suction pipe 160 is sleeved on the sealing shaft 150 and connected with the sealing shaft 150, and then slides into the positioning hole 1801 matched with the outer diameter of the suction pipe 160, and the conical portion 1501 abuts against the supporting plate 190, so that the suction pipe 160 and the sealing shaft 150 are arranged on the box body 11, and the supporting plate 190 can prevent people from being pricked by the conical portion 1501. The section of the L-shaped tube 1702 used for connecting with the suction tube 160 is slidably inserted into another positioning hole 1801 matching with the outer diameter of the L-shaped tube 1702, so that the extraction mechanism is arranged on the box body 11.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (7)
1. A coal quality analyzing apparatus, characterized by comprising:
the draw-bar box comprises a box body;
the analysis system is arranged in the box body;
the detection head is connected with the analysis system through an optical fiber bundle and a cable, and the detection head is detachably connected with the box body;
the detection box is connected with the box body; and
the light-transmitting plate is horizontally arranged and embedded and fixed in the bottom wall of the detection box;
the detection head is positioned right below the light-transmitting plate, and light beams emitted by the detection head can penetrate through the light-transmitting plate and irradiate into the detection box;
the coal quality analysis apparatus further includes:
the rotating shaft is positioned in the detection box and is vertically arranged, and the rotating shaft is rotatably connected with the detection box;
the driving assembly is positioned in the detection box and connected with the rotating shaft, and the driving assembly is used for driving the rotating shaft to rotate;
the sample tubes are uniformly distributed around the rotating shaft, and the axial leads of the sample tubes are vertically arranged and fixedly connected with the rotating shaft;
the rotating shaft rotates to enable the sample tubes to be sequentially positioned on the light-transmitting plate;
the coal quality analysis apparatus further includes:
the feeding pipe is vertically arranged and penetrates through the top wall of the detection box, and is positioned above the sample tube;
the first telescopic assembly is positioned in the detection box and fixedly arranged on the top wall of the detection box, and the first telescopic assembly is provided with a first telescopic end capable of extending in the vertical direction;
the first pressing block is fixedly arranged on the first telescopic end of the first telescopic component;
when one of the sample tubes is positioned on the light-transmitting plate, the other two sample tubes are respectively positioned at the feeding tube and the first pressing block, the feeding tube is coaxially aligned with the sample tube at the position, and the first pressing block can penetrate into or withdraw from the sample tube at the position along with the telescopic sliding of the first telescopic end of the first telescopic component;
the coal quality analysis apparatus further includes:
the second telescopic assembly is positioned in the detection box and fixedly arranged on the top wall of the detection box, the second telescopic assembly is provided with a second telescopic end capable of extending along the vertical direction, and the second telescopic assembly and the first telescopic assembly are symmetrically arranged on two sides of the rotating shaft;
the second pressing block is fixedly arranged on the second telescopic end of the second telescopic component;
the material leakage hole is formed in the bottom wall of the detection box, the diameter of the material leakage hole is not smaller than the inner diameter of the sample tube, the material leakage hole is located under the second pressing block, when one of the sample tubes is located on the light-transmitting plate, another sample tube is coaxially aligned with the material leakage hole, and the second pressing block can penetrate into or withdraw from the sample tube coaxially aligned with the material leakage hole along with the telescopic sliding of the second telescopic end of the second telescopic assembly.
2. The coal quality analyzing apparatus according to claim 1, further comprising:
the fixing piece is positioned below the detection box and fixedly arranged on the side wall of the box body, the fixing piece is provided with a through hole with a vertical axial lead, the through hole is a stepped hole, the cross section area of the upper end of the through hole is larger, and the side part of the fixing piece is provided with a notch communicated with the through hole;
and the fixing ring is sleeved and fixed outside the detection head, and the fixing ring is slidably arranged in a section with a larger cross-sectional area of the through hole in a penetrating manner.
3. The coal quality analyzing device as claimed in claim 1, wherein the detecting box is located on the box body, a sliding groove is formed in the top surface of the box body and located right below the material leaking hole, the sliding groove can receive materials falling from the material leaking hole, the sliding groove penetrates through the box body towards one side of the box body, and an included angle is formed between the bottom surface of the sliding groove and the horizontal plane, so that the materials in the sliding groove can slide out of the sliding groove along the bottom surface of the sliding groove.
4. The coal quality analyzing apparatus according to claim 1, further comprising:
a closed shaft, one end of which is a conical part;
the suction pipe is sleeved in the middle of the closed shaft, one end of the suction pipe, corresponding to the conical part, is provided with a conical surface which is matched and butted with the conical part, and the suction pipe is detachably connected with the closed shaft;
a drawing mechanism;
when the suction pipe is disconnected from the closed shaft and the closed shaft is withdrawn from the suction pipe, the extraction mechanism is connected with one end, far away from the conical surface, of the suction pipe to extract gas in the suction pipe.
5. The coal quality analyzing apparatus according to claim 4, wherein an inner wall of the suction pipe corresponding to the other end of the tapered surface has an inwardly recessed portion, the recessed portion is provided with a first internal thread, a side wall of the closed shaft has an outwardly protruding portion, and the protruding portion is inserted into the recessed portion and is provided with a first external thread in threaded connection with the first internal thread.
6. The coal analyzing apparatus of claim 5, wherein an outer side wall of an end of the suction pipe for providing the depression is provided with a second external thread, and the extracting mechanism comprises:
the collecting box is provided with an air outlet hole and a discharge hole;
one end of the L-shaped pipe is fixedly arranged on the collecting box and communicated with the inside of the collecting box, and a second internal thread is arranged on the inner wall of the other end of the L-shaped pipe and can be in threaded connection with the second external thread;
the filter screen is positioned in the collecting box and covers the air outlet hole, and the filter screen is fixedly connected with the collecting box;
the exhaust fan is fixedly arranged on the collection box, and an air inlet of the exhaust fan is communicated with the air outlet hole;
the rubber stopper is arranged in the discharge port in a penetrating way.
7. The coal quality analyzing apparatus according to claim 6, further comprising:
the limiting plate is horizontally arranged and fixedly arranged on the side wall of the box body, two positioning holes are formed in the limiting plate, and the two positioning holes are respectively matched with the outer diameter of the suction pipe and the outer diameter of the L-shaped pipe;
and the bearing plate is horizontally arranged and fixedly arranged on the side wall of the box body, and the bearing plate is positioned right below the positioning hole matched with the outer diameter of the suction pipe.
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| CN202310064946.3A CN115773988B (en) | 2023-02-06 | 2023-02-06 | Coal quality analysis equipment |
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| CN202310064946.3A CN115773988B (en) | 2023-02-06 | 2023-02-06 | Coal quality analysis equipment |
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| CN115773988B true CN115773988B (en) | 2023-04-11 |
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| CN114152590A (en) * | 2021-10-30 | 2022-03-08 | 上海伦廷信息技术有限公司 | Coal fired power plant coal quality near infrared spectrum detection device that goes into stove |
| CN216309465U (en) * | 2021-03-22 | 2022-04-15 | 康永平 | Coal quality analysis sampling device convenient to carry |
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2023
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| US5413004A (en) * | 1993-07-23 | 1995-05-09 | Johnson Industries, Inc. | Method and apparatus for sampling coal |
| CN104964860A (en) * | 2015-06-26 | 2015-10-07 | 国电新能源技术研究院 | On-line coal quality property detection device |
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