CN109225500B - Refining process of coal - Google Patents
Refining process of coal Download PDFInfo
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- CN109225500B CN109225500B CN201811021477.2A CN201811021477A CN109225500B CN 109225500 B CN109225500 B CN 109225500B CN 201811021477 A CN201811021477 A CN 201811021477A CN 109225500 B CN109225500 B CN 109225500B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
Abstract
The invention belongs to the technical field of coal refining, and particularly relates to a coal refining process, which comprises the following steps: primarily treating the mined raw material coal, removing gangue in the mined raw material coal, and screening the raw material coal into particles with different grades by using a screening machine; coal washing and sorting are carried out on the raw material coal by coal mine coal washing equipment to obtain clean coal with uniform particles and good quality; dewatering the obtained clean coal by using a dewatering device to ensure the quality of the clean coal; drying the dehydrated clean coal by using heat energy, detecting ash content and sulfur content of the dried clean coal, packaging and storing qualified clean coal, and performing coal washing operation again on coal which does not reach the standard; the invention can rapidly prepare the clean coal, and the prepared clean coal has low ash content and high quality.
Description
Technical Field
The invention belongs to the technical field of coal refining, and particularly relates to a coal refining process.
Background
The raw coal is washed to remove gangue in the coal, and the raw coal is changed into high-quality coal which is suitable for special purposes, namely refined coal. The refined coal can be divided into coking refined coal for smelting and other coking refined coal. The coking refined coal for smelting has the granularity of less than 50 mm, 80 mm and 100 mm and ash content of less than or equal to 12.5 percent; the other coking refined coal has granularity smaller than 50 mm, 80 mm and 100 mm, ash content of 12.5-16%, and is referred to as other refined coal. At present, the process for preparing the refined coal in China is complex, the flow is various, the cost is high, and meanwhile, when the refined coal in China is prepared, the efficiency of removing ash and sulfur in the coal by coal washing equipment is low, the ash and sulfur in the coal can be reduced to reach the standard of the refined coal by multiple coal washing operations, and the processing cost is high.
Disclosure of Invention
In order to make up for the defects of the prior art, the coal refining process provided by the invention adopts coal washing equipment for coal mines to crush and wash raw material coal, can effectively and well remove ash and sulfur in the coal, has high removal efficiency, thereby effectively reducing coal washing times, saving cost and quickly obtaining refined coal with uniform particles and high quality.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a refining process of coal,
the method comprises the following steps: primarily treating the mined raw material coal, removing gangue in the mined raw material coal, and screening the raw material coal into particles with different grades by using a screening machine;
step two: after screening in the first step, coal washing and sorting are carried out on raw material coal by coal mine coal washing equipment to obtain refined coal with uniform particles and good quality;
step three: after the refined coal is obtained in the second step, carrying out dehydration treatment on the obtained refined coal by using a dehydration device to ensure the quality of the refined coal;
step four: after dehydration in the third step, drying the dehydrated refined coal by using heat energy, detecting ash content and sulfur content of the dried refined coal, packaging and storing qualified refined coal, and performing coal washing operation again on coal which does not reach the standard;
the coal washing equipment for the coal mine in the second step comprises a support frame, a crushing module, a guide plate, a coal washing module, a collecting frame and an electric control cabinet; the support frame comprises a bottom plate, a first vertical plate, a second vertical plate, a support plate and a vertical rod; the first vertical plate is arranged at the right end of the bottom plate; the second vertical plate is arranged on the bottom plate and is positioned on the left side of the first vertical plate, and the second vertical plate is shorter than the first vertical plate; the support plate is arranged at the upper end of the second vertical plate, and the right end of the support plate is fixed in the middle of the first vertical plate; the number of the upright posts is two, the upright posts are symmetrically arranged at the front and back of the left end of the supporting plate, and the top ends of the upright posts are flush with the first vertical plate; the crushing frame is arranged at the top ends of the first vertical plate and the vertical rod, a feed hopper is arranged on the crushing frame, and a discharge port is formed in the lower end of the crushing frame; the crushing module is positioned in the crushing frame and is used for crushing the coal blocks in the crushing frame; the guide plate is obliquely arranged, the guide plate is an elastic plate, the right end of the guide plate is higher than the left end of the guide plate, the right end of the guide plate is fixed on the first vertical plate, and the guide plate is used for conveying crushed coal blocks; the coal washing module is arranged on the bottom plate, is positioned at the lower left of the guide plate and is used for sorting crushed coal; the collecting frames are arranged on the bottom plate and located at the bottom of the coal washing module, the number of the collecting frames is two, and the collecting frames are used for collecting the sorted coal; the electric control cabinet is located on the right side of the first vertical plate and used for controlling the operation of equipment. When the coal washing machine works, the operation of the electric control cabinet control equipment is used for conveying the raw material coal blocks into the crushing frame through the feed hopper on the crushing frame, and the crushing modules in the crushing frame are used for crushing the raw material coal blocks, so that the coal blocks are crushed into fine coal, the subsequent separation of the raw material coal is facilitated, and the coal washing efficiency is improved; the crushed raw material coal is conveyed to the coal washing module through the guide plate for sorting and washing, and the guide plate ensures that the coal can smoothly enter the coal washing module, so that the waste of the coal is avoided; the coal washing module is used for sorting raw material coal, so that solid waste stones and dust in the coal are washed away, ash content and sulfur content in the coal are reduced, refined coal with good quality is obtained, the washed coal is collected through the collecting frame, the left collecting frame collects the coal with poor quality, the right collecting frame collects the refined coal after sorting, and sorting of the coal is achieved.
The crushing module comprises a motor, a connecting shaft, a first gear, a rotating shaft, a second gear, a sliding part, a fixing frame, an extrusion block and a cutter; the motor is arranged at the top of the crushing frame and is positioned outside the crushing frame; the connecting shaft is arranged in the crushing frame through a motor output shaft; the first gear is arranged in the crushing frame through a connecting shaft; the number of the rotating shafts is not less than two, the rotating shafts are fixed at the top of the crushing frame, and the rotating shafts are positioned in the crushing frame; the number of the second gears is the same as that of the rotating shafts, and the second gears are meshed with the first gears; the number of the sliding pieces is two, the sliding pieces are symmetrically arranged at the top of the crushing frame, and the sliding pieces can circumferentially slide in the crushing frame; the fixed frame is arranged in the crushing frame through the bottom of the sliding piece and is of a cylindrical structure, an inner gear ring is arranged at the upper end of the fixed frame, and the inner gear ring is meshed with the second gear; the fixed frame is provided with channels, the number of channel groups is not less than one, the channels are uniformly distributed from top to bottom, and the number of the channels in each group is not less than two and is uniformly distributed along the circumferential direction; the extrusion blocks are arranged on the connecting shaft, the number and the distribution of the extrusion blocks correspond to the number and the distribution of the groups of the channels on the fixed frame, and the extrusion blocks are obtained by cutting off four arc-shaped blocks in a circumferential symmetric manner through a circular ring; the utility model discloses a coal briquette crushing machine, including fixed frame, cutter, spring, extrusion piece, cutter handle, spring, extrusion piece, cutter, the through-hole of cutter, the cutter is fixed with the extrusion piece, the quantity of cutter quantity and distribution and the quantity of extrusion piece are the same with the distribution, the tool bit of cutter is located outside fixed frame, the through-hole that the handle of a knife passed on fixed frame of cutter is located fixed frame, the tip of handle of a knife is equipped with the arc lug, the winding has the spring on the handle of a knife, spring one end is connected. When the crushing device works, the motor drives the connecting shaft to rotate, the extrusion block, the first gear and the connecting shaft synchronously rotate, the second gear rotates under the action of the first gear, and the second gear is meshed with the inner gear ring of the fixed frame, so that the fixed frame rotates under the action of the second gear, and the existence of the sliding piece ensures that the fixed frame can rotate in the crushing frame; the second gear plays a role in reducing the rotating speed when the transmission between the first gear and the fixed frame is realized, so that the rotating speed of the fixed frame is lower than that of the first gear; make and take place relative rotation between extrusion piece and the cutter, thereby make the arc lug on the cutter handle of a knife move along the circumference orbit of extrusion piece, make the arc lug of handle of a knife get into in the arc wall of extrusion piece, roll-off in the arc wall again, thereby the flexible of cutter has been realized, make the coal cinder when being rotated the cutting, the coal cinder receives the extrusion force of cutter, thereby the crushing efficiency of coal cinder has been improved, the work efficiency of equipment has been improved, make the coal cinder kibbling more even simultaneously, thereby the coal washing efficiency has been improved, the quality of the refined coal that makes has been improved.
The sliding part comprises a sliding rod, a sliding pin and a pulley; the top of the crushing frame is provided with an annular cross sliding chute; the upper end of the sliding rod is provided with two symmetrical rectangular bulges; the sliding pin is positioned in the cross sliding groove, penetrates through the two rectangular bulges on the sliding rod and is used for installing the sliding rod; the pulley is installed in the spout through the sliding pin, and the pulley contacts with the spout upper end, and the pulley is used for realizing the slip of slide bar in the spout. During operation, the slide bar rotates under the effect of fixed frame to make sliding pin slide in annular cross spout, the existence of pulley makes the slide bar more convenient with sliding pin's slip, has avoided fixed frame rotational speed too fast and the card pause phenomenon appears, has improved the performance of equipment, has improved work efficiency.
The coal washing module comprises a fixed rod, a water tank, a sliding block, a first connecting rod, a second connecting rod, a third connecting rod, a filter plate, a first air cylinder and a collecting hopper; the number of the fixed rods is four, the fixed rods are respectively arranged at the left and the right, and the fixed rods are symmetrically fixed on the bottom plate in the front-back direction; the water tank is mounted on the fixed rod, a water inlet is formed in the left side of the water tank, two discharge valves are symmetrically arranged at the bottom of the water tank in the left-right direction, and two convex blocks are symmetrically arranged at the upper end of the water tank in the left-right direction; the number of the sliding blocks is two, and the sliding blocks are symmetrically arranged on the bottom plate from left to right; the first connecting rods are symmetrically arranged left and right, and the middle parts of the first connecting rods are hinged with the convex blocks of the water tank; the number of the second connecting rods is two, the second connecting rods are symmetrically arranged left and right, one end of each second connecting rod is hinged to the sliding block, and the other end of each second connecting rod is hinged to the first connecting rod; the number of the third connecting rods is two, the third connecting rods are arranged in bilateral symmetry, and one ends of the third connecting rods are hinged with the first connecting rods; two ends of the filter plate are hinged with the two third connecting rods, the filter plate is positioned in the water tank, a pressure sensor is arranged in the filter plate, and the filter plate is used for sorting coal; the first air cylinders are arranged in a bilateral symmetry mode, the first air cylinders are fixed on the bottom plate, piston rods of the first air cylinders are connected with the sliding blocks, and the first air cylinders are used for driving the sliding blocks to move; the number of the collecting hoppers is two, the collecting hoppers are fixed at the bottom of the water tank and positioned above the collecting frame, the two collecting hoppers are respectively positioned below the left discharge valve and the right discharge valve, and the collecting hoppers are used for collecting the sorted coal and conveying the coal into the collecting frame; the crushing frame comprises an inner frame and an outer frame; the inner frame is made of elastic materials; the inner frame is wrapped by the outer frame, the first air bag is arranged between the outer frame and the inner frame and is an elastic air bag, the first air bag is connected with the first air cylinder through a pipeline, and the first air bag is used for driving the first air cylinder. When the coal sorting machine works, water is injected into the water tank through a water inlet on the water tank, the two first air cylinders on the left side and the right side are simultaneously opened, the total amount of gas between the first air cylinder and the first air bag is constant, the inner frame is made of elastic materials, the inner frame is extruded when the cutter is extended, the first air bag is extruded to convey gas to the first air cylinder, the first air bag is an elastic air bag, when the cutter is retracted, the first air bag automatically recovers, gas in the first air cylinder flows back to the first air bag, so that a piston rod of the first air cylinder is continuously stretched, the piston rod of the first air cylinder stretches to drive the sliding block to move left and right, the first connecting rod, the second connecting rod and the third connecting rod reciprocate under the action of the sliding block and drive the filter plates to move up and down, raw material coal on the filter plates is sorted in water, fine and homogeneous coal falls into the bottom of, ash and sulfur in the coal are washed away by water, and large-particle coal, waste stone and the like with poor quality are remained on the filter plate, so that the separation of the coal is realized; when the pressure change of the pressure sensor on the filter plate is stabilized in a range, the refined coal is indicated to completely pass through the filter plate, at the moment, the discharge valve on the right side is opened, and the sorted refined coal is collected through the collecting hopper on the right side; after the refined coal is collected, close the right side bleeder valve, open the left side bleeder valve, close a left cylinder simultaneously for a cylinder on right side drives the slider on right side, a connecting rod, No. two connecting rods and No. three connecting rod motions, make the continuous tilt up of right-hand member of filter, make coal and solid barren rock of large granule etc. fall into the water tank bottom, and collect in getting into the collection fill through left bleeder valve, thereby realized the sorting of raw materials coal.
The collecting hopper comprises a filter screen, a water outlet and a coal outlet; the filter screen is positioned in the collecting hopper, the filter screen is obliquely arranged, a pressure sensor is arranged in the filter screen, and the filter screen is used for separating water from coal; the water outlet is positioned below the filter screen and connected with external water purification equipment through a pipeline, and the water outlet is used for discharging water in the collecting hopper; the coal outlet is positioned above the filter screen and used for discharging coal in the collecting hopper. During the operation, water in the water tank and coal together get into and collect the fill, open the delivery port this moment, the filter screen with the coal interception in the space of filter screen top, water gets into filter screen below space and by delivery port and relevant pipeline discharge to during external water purification equips, purify and recycle, the water resource has been practiced thrift, when pressure sensors sensed the coal on the filter screen and reached certain weight, opened out the coal mouth, discharged the coal in the collection frame to the collection of the coal after having realized sorting.
The bottom of the inner frame is also provided with a second air cylinder, the number of the second air cylinders is four, the second air cylinders are respectively fixed on the first vertical plate and the vertical rod, the second air cylinders are connected with the inner frame through springs, and the second air cylinders are used for driving the inner frame to shake; the bottom plate is also provided with a baffle plate and a second air bag; the number of the baffle plates is two, and the baffle plates are arranged in a bilateral symmetry manner; no. two gasbags are located between baffle and the slider, and No. two gasbags are elastic gasbag, and No. two gasbags are connected with No. two cylinders through the pipeline, and No. two gasbags are used for the air feed for No. two cylinders. When the device works, the total amount of gas between the second air cylinder and the second air bag is constant, the sliding block moves back and forth along with the piston rod of the first air cylinder, so that the sliding block is in continuous contact with and is separated from the second air bag, when the sliding block is in contact with the second air bag, the second air bag is extruded to convey the gas into the second air cylinder, so that the piston rod of the second air cylinder is continuously extended and retracted, when the sliding block is separated from the second air bag, because the second air bag is an elastic air bag, the second air bag recovers, and the gas in the second air cylinder flows back into the second air bag, the piston rod of the second air cylinder is continuously extended and retracted, because the inner frame is made of elastic material, the frame wall at the outlet of the inner frame is pulled by the driving spring of the piston rod of the second air cylinder, so that the frame wall at the outlet of the inner frame shakes, and further fine coal in the inner frame is more quickly discharged out of, the outlet of the inner frame is prevented from being blocked, and the practicability of the equipment is improved.
The right side of the water tank is also provided with an air inlet pipe, and the air inlet pipe is used for blowing coal at the bottom of the water tank; the bottom of the guide plate is also provided with a movable plate and a third air bag; the right end of the movable plate is hinged to the first vertical plate, the movable plate is connected with the guide plate through a spring, and the movable plate is used for supporting the guide plate; the third air bag is arranged between the supporting plate and the movable plate, is elastic and is connected with an air inlet pipe of the water tank, and is provided with a one-way air inlet valve and used for ventilating the water tank. The during operation, because the baffle is the elastic plate, when coal falls into on the baffle, the baffle is trembled from top to bottom, thereby drive the fly leaf and tremble from top to bottom, because of No. three gasbags are elastic air bag, make No. three gasbags can resume after the pressurized automatically, No. three gasbags receive the extrusion and resume along with the shake of fly leaf, No. three gasbags receive the extrusion, blow in the water tank bottom with gas through the intake pipe, when No. three gasbags resume, No. three gasbags pass through one-way admission valve from external air absorption, thereby with continuous transport to the water tank in the air of external, make the coal of water tank bottom move in the aquatic, avoided coal deposit in the water tank bottom, thereby make coal better get into the collection together with water and fight, work efficiency is improved, make coal collection more complete simultaneously, coal washing efficiency is improved.
The invention has the following beneficial effects:
1. according to the coal refining process, coal washing equipment is adopted for crushing and washing raw material coal, ash and sulfur in the coal can be effectively and well removed, the removal efficiency is high, the coal washing times are effectively reduced, the cost is saved, and meanwhile, the refined coal with uniform particles and high quality is quickly obtained.
2. The coal refining process adopts coal washing equipment for the coal mine, the equipment enables raw coal to be extruded by a cutter while being rotationally cut through the extension of the cutter, so that the raw coal is crushed more uniformly, the contact area between the coal and the outside is increased, the ash content and sulfur content in the coal are removed efficiently during coal washing, the washing times required in the process of preparing refined coal from the coal are reduced, the time is saved, the working efficiency of coal refining is improved, the cost is reduced, the quality of the refined coal is high, and the pollution to the environment is less.
3. According to the coal refining process, coal washing equipment for a coal mine is adopted, and energy of extrusion of the cutter on the inner frame and the first air bag is converted into power of the first air cylinder, so that the first air cylinder works, the energy in the equipment is reasonably utilized, the energy waste is avoided, and the coal refining cost is reduced.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a front view of the coal washing apparatus of the present invention;
FIG. 3 is a schematic diagram of the structure of the shredding frame and shredding module of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a cross-sectional view B-B of FIG. 3;
FIG. 6 is an enlarged view of a portion of FIG. 3 at C;
FIG. 7 is an enlarged view of a portion of FIG. 2 at D;
in the figure: the coal washing machine comprises a support frame 1, a crushing frame 2, a crushing module 3, a guide plate 4, a coal washing module 5, a collecting frame 6, an electric control cabinet 7, a bottom plate 11, a first vertical plate 12, a second vertical plate 13, a support plate 14, a vertical rod 15, a baffle 16, a second air bag 17, a feed hopper 21, an inner frame 22, an outer frame 23, a first air bag 24, a second air bag 25, a motor 31, a connecting shaft 32, a first gear 33, a rotating shaft 34, a second gear 35, a sliding part 36, a fixed frame 37, an extrusion block 38, a cutter 39, a sliding rod 361, a pulley 362, a movable plate 41, a third air bag 42, a fixed rod 51, a water tank 52, a sliding block 53, a first connecting rod 54, a second connecting rod 55, a third connecting rod 56, a filter plate 57, a first air bag 58, a collecting bucket 59, a filter screen 591.
Detailed Description
The coal refining process according to an embodiment of the present invention will be described below with reference to fig. 1 to 7.
As shown in fig. 1 to 3, the coal washing equipment for coal mine of the present invention comprises the following steps:
the method comprises the following steps: primarily treating the mined raw material coal, removing gangue in the mined raw material coal, and screening the raw material coal into particles with different grades by using a screening machine;
step two: after screening in the first step, coal washing and sorting are carried out on raw material coal by coal mine coal washing equipment to obtain refined coal with uniform particles and good quality;
step three: after the refined coal is obtained in the second step, carrying out dehydration treatment on the obtained refined coal by using a dehydration device to ensure the quality of the refined coal;
step four: after dehydration in the third step, drying the dehydrated refined coal by using heat energy, detecting ash content and sulfur content of the dried refined coal, packaging and storing qualified refined coal, and performing coal washing operation again on coal which does not reach the standard;
the coal washing equipment for the coal mine in the step two comprises a support frame 1, a crushing frame 2, a crushing module 3, a guide plate 4, a coal washing module 5, a collecting frame 6 and an electric control cabinet 7; the support frame 1 comprises a bottom plate 11, a first vertical plate 12, a second vertical plate 13, a support plate 14 and a vertical rod 15; the first vertical plate 12 is arranged at the right end of the bottom plate 11; the second vertical plate 13 is arranged on the bottom plate 11, the second vertical plate 13 is positioned on the left side of the first vertical plate 12, and the second vertical plate 13 is shorter than the first vertical plate 12; the support plate 14 is arranged at the upper end of the second vertical plate 13, and the right end of the support plate 14 is fixed in the middle of the first vertical plate 12; the number of the upright posts 15 is two, the upright posts 15 are symmetrically arranged at the left end of the supporting plate 14 in a front-back manner, and the top ends of the upright posts 15 are flush with the first upright plate 12; the crushing frame 2 is arranged at the top ends of the first vertical plate 12 and the vertical rod 15, a feed hopper 21 is arranged on the crushing frame 2, and a discharge hole is formed in the lower end of the crushing frame 2; the crushing module 3 is positioned in the crushing frame 2, and the crushing module 3 is used for crushing the coal blocks in the crushing frame 2; the guide plate 4 is obliquely arranged, the guide plate 4 is an elastic plate, the right end of the guide plate 4 is higher than the left end, the right end of the guide plate 4 is fixed on the first vertical plate 12, and the guide plate 4 is used for conveying crushed coal blocks; the coal washing module 5 is arranged on the bottom plate 11, the coal washing module 5 is positioned at the lower left of the guide plate 4, and the coal washing module 5 is used for sorting crushed coal; the collecting frames 6 are arranged on the bottom plate 11, the collecting frames 6 are positioned at the bottom of the coal washing module 5, the number of the collecting frames 6 is two, and the collecting frames 6 are used for collecting the sorted coal; the electric control cabinet 7 is located on the right side of the first vertical plate 12, and the electric control cabinet 7 is used for controlling the operation of equipment. When the coal washing machine works, the operation of equipment is controlled by the electric control cabinet 7, raw coal blocks are conveyed into the crushing frame 2 through the feed hopper 21 on the crushing frame 2, and the raw coal blocks are crushed through the crushing modules 3 in the crushing frame 2, so that the coal blocks are crushed into fine coal, the separation of subsequent raw coal is facilitated, and the coal washing efficiency is improved; the crushed raw material coal is conveyed to the coal washing module 5 through the guide plate 4 for sorting and washing, and the guide plate 4 ensures that the coal can smoothly enter the coal washing module 5, so that the waste of the coal is avoided; coal washing module 5 selects separately raw materials coal for solid barren rock and dust in the coal are washed away, have reduced ash content, the sulphur branch in the coal simultaneously, have obtained the refined coal that the quality is good, collect the coal that has washed through collecting frame 6 at last, and the relatively poor coal of quality is collected to left collection frame 6, and the refined coal after the separation is collected to collection frame 6 on right side, thereby realizes the sorting of coal.
As shown in fig. 3 to 5, the crushing module 3 includes a motor 31, a connecting shaft 32, a first gear 33, a rotating shaft 34, a second gear 35, a sliding member 36, a fixing frame 37, an extrusion block 38 and a cutter 39; the motor 31 is arranged at the top of the crushing frame 2, and the motor 31 is positioned outside the crushing frame 2; the connecting shaft 32 is arranged in the crushing frame 2 through an output shaft of the motor 31; the first gear 33 is arranged in the crushing frame 2 through a connecting shaft 32; the number of the rotating shafts 34 is not less than two, the rotating shafts 34 are fixed at the top of the crushing frame 2, and the rotating shafts 34 are positioned in the crushing frame 2; the number of the second gears 35 is the same as that of the rotating shafts 34, and the second gears 35 are meshed with the first gears 33; the number of the sliding pieces 36 is two, the sliding pieces 36 are symmetrically arranged at the top of the crushing frame 2, and the sliding pieces 36 can circumferentially slide in the crushing frame 2; the fixed frame 37 is installed in the crushing frame 2 through the bottom of the sliding piece 36, the fixed frame 37 is of a cylindrical structure, and the upper end of the fixed frame 37 is provided with an inner gear ring which is meshed with the second gear 35; the fixed frame 37 is provided with channels, the number of channel groups is not less than one, and the channels are uniformly distributed from top to bottom, and the number of the channels in each group is not less than two and is uniformly distributed along the circumferential direction; the extrusion blocks 38 are installed on the connecting shaft 32, the number and the distribution of the extrusion blocks 38 correspond to the number and the distribution of the groups of the channels on the fixed frame 37, and the extrusion blocks 38 are obtained by cutting off four arc-shaped blocks in a circumferential symmetric manner through a circular ring; the quantity of cutter 39 and the quantity and the distribution of distribution and extrusion piece 38 are the same, and the tool bit of cutter 39 is located outside fixed frame 37, and the handle of a knife of cutter 39 passes through the through-hole on the fixed frame 37 and is located fixed frame 37, and the tip of handle of a knife is equipped with the arc lug, and the winding has the spring on the handle of a knife, and spring one end is connected with fixed frame 37 inner wall, and the spring other end wants to be connected with the arc lug, and the arc lug of cutter 39 contacts with extrusion piece 38, and cutter 39 is arranged in smashing the coal cinder in smashing frame 2. When the crushing machine works, the motor 31 drives the connecting shaft 32 to rotate, the extrusion block 38 and the first gear 33 rotate synchronously with the connecting shaft 32, the second gear 35 rotates under the action of the first gear 33, and the second gear 35 is meshed with the inner gear ring of the fixed frame 37, so that the fixed frame 37 rotates under the action of the second gear 35, and the fixed frame 37 can rotate in the crushing frame 2 due to the existence of the sliding piece 36; the second gear 35 plays a role of reducing the rotating speed when the transmission between the first gear 33 and the fixed frame 37 is realized, so that the rotating speed of the fixed frame 37 is lower than that of the first gear 33; make and take place relative rotation between extrusion piece 38 and the cutter 39, thereby make the arc lug on the cutter 39 handle of a knife along the circumferential direction orbit motion of extrusion piece 38, make the arc lug of handle of a knife get into in the arc wall of extrusion piece 38, roll-off in the arc wall again, thereby cutter 39's flexible has been realized, make the coal cinder when rotated the cutting, the coal cinder receives cutter 39's extrusion force, thereby the crushing efficiency of coal cinder has been improved, the work efficiency of equipment has been improved, make the coal cinder kibbling more even simultaneously, thereby coal washing efficiency has been improved, the quality of the refined coal that makes has been improved.
As shown in fig. 3 and 6, the slider 36 includes a sliding rod 361, a sliding pin and a pulley 362; the top of the crushing frame 2 is provided with an annular cross sliding chute; the upper end of the sliding rod 361 is provided with two symmetrical rectangular bulges; the sliding pin is positioned in the cross sliding groove, penetrates through the two rectangular bulges on the sliding rod 361 and is used for installing the sliding rod 361; the pulley 362 is installed in the sliding groove through a sliding pin, the pulley 362 contacts with the upper end of the sliding groove, and the pulley 362 is used for realizing the sliding of the sliding rod 361 in the sliding groove. During operation, slide bar 361 rotates under fixed frame 37's effect to make the sliding pin slide in annular cross spout, the existence of pulley 362 makes slide bar 361 more convenient with the slip of sliding pin, has avoided fixed frame 37 rotational speed too fast and the card pause phenomenon appears, has improved the performance of equipment, has improved work efficiency.
As shown in fig. 2, the coal washing module 5 comprises a fixing rod 51, a water tank 52, a slide block 53, a first connecting rod 54, a second connecting rod 55, a third connecting rod 56, a filter plate 57, a first air cylinder 58 and a collecting hopper 59; the number of the fixing rods 51 is four, the fixing rods 51 are respectively arranged at the left and the right, and the fixing rods 51 are symmetrically fixed on the bottom plate 11 in the front-back direction; the water tank 52 is arranged on the fixed rod 51, a water inlet is formed in the left side of the water tank 52, two discharge valves are symmetrically arranged at the bottom of the water tank 52 in the left-right direction, and two convex blocks are symmetrically arranged at the upper end of the water tank 52 in the left-right direction; the number of the sliding blocks 53 is two, and the sliding blocks 53 are arranged on the bottom plate 11 in a bilateral symmetry manner; the number of the first connecting rods 54 is two, the first connecting rods 54 are arranged in a bilateral symmetry mode, and the middle parts of the first connecting rods 54 are hinged with the convex blocks of the water tank 52; the number of the second connecting rods 55 is two, the second connecting rods 55 are symmetrically arranged left and right, one end of each second connecting rod 55 is hinged to the corresponding sliding block 53, and the other end of each second connecting rod 55 is hinged to the corresponding first connecting rod 54; the number of the third connecting rods 56 is two, the third connecting rods 56 are symmetrically arranged left and right, and one ends of the third connecting rods 56 are hinged with the first connecting rod 54; two ends of the filter plate 57 are hinged with the two third connecting rods 56, the filter plate 57 is positioned in the water tank 52, a pressure sensor is arranged in the filter plate 57, and the filter plate 57 is used for sorting coal; the number of the first air cylinders 58 is two, the first air cylinders 58 are arranged in bilateral symmetry, the first air cylinders 58 are fixed on the bottom plate 11, piston rods of the first air cylinders 58 are connected with the sliding block 53, and the first air cylinders 58 are used for driving the sliding block 53 to move; the number of the collecting hoppers 59 is two, the collecting hoppers 59 are fixed at the bottom of the water tank 52, the collecting hoppers 59 are positioned above the collecting frame 6, the two collecting hoppers 59 are respectively positioned below the left discharge valve and the right discharge valve, and the collecting hoppers 59 are used for collecting the sorted coal and conveying the coal to the collecting frame 6; the crushing frame 2 comprises an inner frame 22 and an outer frame 23; the inner frame 22 is made of elastic material; the inner frame 22 is wrapped by the outer frame 23, the first air bag 24 is arranged between the outer frame 23 and the inner frame 22, the first air bag 24 is an elastic air bag, the first air bag 24 is connected with the first air cylinder 58 through a pipeline, and the first air bag 24 is used for driving the first air cylinder 58. When the coal sorting machine works, water is injected into the water tank 52 through a water inlet on the water tank 52, the two first air cylinders 58 on the left side and the right side are simultaneously started, the total amount of gas between the first air cylinders 58 and the first air bags 24 is constant, the inner frame 22 is made of elastic materials, the cutter 39 extrudes the inner frame 22 when extending, the first air bags 24 are extruded to convey the gas to the first air cylinders 58, the first air bags 24 are elastic air bags, when the cutter 39 retracts, the first air bags 24 automatically recover, the gas in the first air cylinders 58 flows back to the first air bags 24, so that piston rods of the first air cylinders 58 are continuously stretched, the stretching of the piston rods of the first air cylinders 58 drives the sliding blocks 53 to move left and right, the first connecting rods 54, the second connecting rods 55 and the third connecting rods 56 reciprocate under the action of the sliding blocks 53, and the filtering plates 57 are driven to move up and down, so that the raw material coal on the filtering, fine and homogeneous coal falls into the bottom of the water tank 52 through the filter plate 57, ash and sulfur in the coal are washed away by water, and large-particle coal, waste rocks and the like with poor quality are remained on the filter plate 57, so that the separation of the coal is realized; when the pressure change of the pressure sensor on the filter plate 57 is stabilized in a range, the refined coal is completely passed through the filter plate 57, at this time, the discharge valve on the right side is opened, and the sorted refined coal is collected through the collecting hopper 59 on the right side; after the refined coal is collected, close the right side bleeder valve, open the left side bleeder valve, close a left cylinder 58 simultaneously, make a cylinder 58 on right side drive the slider 53 on right side, a connecting rod 54, No. two connecting rods 55 and No. three connecting rod 56 motion, make the continuous tilt up of right-hand member of filter 57, make large granule coal and solid barren rock etc. fall into water tank 52 bottom, and get into through left bleeder valve and collect in the hopper 59, thereby realized the sorting of raw materials coal.
As shown in fig. 2 and 7, the collecting bucket 59 includes a filter screen 591, a water outlet 592 and a coal outlet 593; the filter screen 591 is positioned in the collecting hopper 59, the filter screen 591 is obliquely arranged, a pressure sensor is arranged in the filter screen 591, and the filter screen 591 is used for separating water from coal; the water outlet 592 is positioned below the filter screen 591, the water outlet 592 is connected with external water purification equipment through a pipeline, and the water outlet 592 is used for discharging water in the collecting hopper 59; the coal outlet 593 is located above the filter screen 591, and the coal outlet 593 is used for discharging the coal in the collecting hopper 59. When the coal collecting device works, water in the water tank 52 and coal enter the collecting hopper 59 together, the water outlet 592 is opened at the moment, the filter screen 591 intercepts the coal in the space above the filter screen 591, the water enters the space below the filter screen 591 and is discharged to external water purifying equipment through the water outlet 592 and related pipelines to be purified and reused, water resources are saved, when the pressure sensor senses that the coal on the filter screen 591 reaches a certain weight, the coal outlet 593 is opened, the coal is discharged into the collecting frame 6, and therefore the coal after separation is collected.
As shown in fig. 2 and 3, the bottom of the inner frame 22 is further provided with a second cylinder 25, the number of the second cylinder 25 is four, the second cylinder 25 is respectively fixed on the first vertical plate 12 and the vertical rod 15, the second cylinder 25 is connected with the inner frame 22 through a spring, and the second cylinder 25 is used for driving the inner frame 22 to shake; the bottom plate 11 is also provided with a baffle 16 and a second air bag 17; the number of the baffle plates 16 is two, and the baffle plates 16 are arranged symmetrically left and right; the second air bag 17 is located between the baffle 16 and the sliding block 53, the second air bag 17 is an elastic air bag, the second air bag 17 is connected with the second air cylinder 25 through a pipeline, and the second air bag 17 is used for supplying air to the second air cylinder 25. When the coal discharging device works, the total amount of gas between the second cylinder 25 and the second air bag 17 is constant, the sliding block 53 moves back and forth along with the piston rod of the first cylinder 58, so that the sliding block is ceaselessly contacted and separated with the second air bag 17, when the sliding block 53 is contacted with the second air bag 17, the second air bag 17 is extruded to convey the gas into the second cylinder 25, so that the piston rod of the second cylinder 25 extends out, when the sliding block 53 is separated from the contact with the second air bag 17, because the second air bag 17 is an elastic air bag, the second air bag 17 recovers, and the gas in the second air cylinder 25 flows back into the second air bag 17, so that the piston rod of the second air cylinder 25 continuously extends out and retracts, because the inner frame 22 is made of an elastic material, the spring driven by the piston rod of the second air cylinder 25 pulls the frame wall at the outlet of the inner frame 22, so that the frame wall at the outlet of the inner frame 22 shakes, and further, the working efficiency of the device is improved, the coal is prevented from being deposited on the surface of the outlet, the outlet of the inner frame 22 is prevented from being blocked, and the practicability of the equipment is improved.
As shown in fig. 2, an air inlet pipe is further arranged on the right side of the water tank 52, and the air inlet pipe is used for blowing coal at the bottom of the water tank 52; a movable plate 41 and a third air bag 42 are further arranged at the bottom of the guide plate 4; the right end of the movable plate 41 is hinged to the first vertical plate 12, the movable plate 41 is connected with the guide plate 4 through a spring, and the movable plate 41 is used for supporting the guide plate 4; the third air bag 42 is installed between the support plate 14 and the movable plate 41, the third air bag 42 is an elastic air bag, the third air bag 42 is connected with an air inlet pipe of the water tank 52, a one-way air inlet valve is arranged on the third air bag 42, and the third air bag 42 is used for ventilating the water tank 52. During operation, because baffle 4 is the elastic plate, when coal falls into on baffle 4, baffle 4 shakes from top to bottom, thereby drive fly leaf 41 shake from top to bottom, because No. three gasbags 42 are the elastic airbag, make No. three gasbags 42 can automatic recovery after the pressurization, No. three gasbags 42 receive the extrusion and resume along with fly leaf 41's shake, No. three gasbags 42 receive when the extrusion, blow into the bottom of water tank 52 with gas through the intake pipe, when No. three gasbags 42 resume, No. three gasbags 42 absorb air from the external world through the one-way admission valve, thereby with the continuous transport to the water tank 52 of external air, make the coal of water tank 52 bottom move in the water, avoided coal deposit in the bottom of water tank 52, thereby make coal better get into in collecting hopper 59 with water together, and improved work efficiency, make coal collection more complete simultaneously, and improved coal washing efficiency.
The specific operation flow is as follows:
when the coal crushing machine works, the operation of equipment is controlled by the electric control cabinet 7, raw coal blocks are conveyed into the crushing frame 2 through the feed hopper 21 on the crushing frame 2, and the raw coal blocks are crushed through the crushing modules 3 in the crushing frame 2; in the process, the motor 31 drives the connecting shaft 32 to rotate, the extrusion block 38, the first gear 33 and the connecting shaft 32 synchronously rotate, the second gear 35 rotates under the action of the first gear 33, the second gear 35 is meshed with an inner gear ring of the fixed frame 37, so that the fixed frame 37 rotates under the action of the second gear 35, the sliding rod 361 rotates under the action of the fixed frame 37, the sliding pin slides in the annular cross sliding groove, the sliding rod 361 and the sliding pin can slide more conveniently due to the existence of the pulley 362, the phenomenon that the fixed frame 37 is blocked due to the fact that the rotating speed of the fixed frame 37 is too high is avoided, the service performance of equipment is improved, and the working efficiency is improved; the second gear 35 plays a role of reducing the rotating speed when the transmission between the first gear 33 and the fixed frame 37 is realized, so that the rotating speed of the fixed frame 37 is lower than that of the first gear 33; the extrusion block 38 and the cutter 39 rotate relatively, so that the arc-shaped convex block on the handle of the cutter 39 moves along the circumferential track of the extrusion block 38, the arc-shaped convex block of the handle of the cutter enters the arc-shaped groove of the extrusion block 38 and slides out of the arc-shaped groove, the cutter 39 stretches, the coal blocks are extruded by the cutter 39 while being cut by rotation, the crushing efficiency of the coal blocks is improved, the working efficiency of equipment is improved, the coal blocks are crushed more uniformly, the coal washing efficiency is improved, and the quality of the prepared refined coal is improved; the crushed raw material coal is conveyed to the coal washing module 5 through the guide plate 4 for sorting and washing, the guide plate 4 ensures that the coal can smoothly enter the coal washing module 5, and the waste of the coal is avoided.
When the coal washing module 5 works, water is injected into the water tank 52 through a water inlet on the water tank 52, two first air cylinders 58 on the left side and the right side are simultaneously opened, the total amount of gas between the first air cylinders 58 and the first air bags 24 is constant, the inner frame 22 is extruded when the cutter 39 extends, the first air bags 24 are extruded to convey the gas to the first air cylinders 58, the first air bags 24 are elastic air bags, when the cutter 39 retracts, the first air bags 24 automatically recover, the gas in the first air cylinders 58 flows back to the first air bags 24, so that piston rods of the first air cylinders 58 are continuously stretched, the stretching of the piston rods of the first air cylinders 58 drives the sliding blocks 53 to move left and right, the first connecting rods 54, the second connecting rods 55 and the third connecting rods 56 reciprocate under the action of the sliding blocks 53, and drive the filter plates 57 to move up and down, so that the raw materials on the filter plates 57 are sorted in the water, fine and homogeneous coal falls into the bottom of the water tank 52 through the filter plate 57, ash and sulfur in the coal are washed away by water, and large-particle coal, waste rocks and the like with poor quality are remained on the filter plate 57, so that the separation of the coal is realized; when the pressure change of the pressure sensor on the filter plate 57 is stabilized in a range, the refined coal is completely passed through the filter plate 57, at this time, the discharge valve on the right side is opened, and the sorted refined coal is collected through the collecting hopper 59 on the right side; after the refined coal is collected, close the right side bleeder valve, open the left side bleeder valve, close a left cylinder 58 simultaneously, make a cylinder 58 on right side drive the slider 53 on right side, a connecting rod 54, No. two connecting rods 55 and No. three connecting rod 56 motion, make the continuous tilt up of right-hand member of filter 57, make large granule coal and solid barren rock etc. fall into water tank 52 bottom, and get into through left bleeder valve and collect in the hopper 59, thereby realized the sorting of raw materials coal. In the process, water in the water tank 52 and coal enter the collecting hopper 59 together, the water outlet 592 is opened at the moment, the filter screen 591 intercepts the coal in the space above the filter screen 591, the water enters the space below the filter screen 591 and is discharged to external water purification equipment through the water outlet 592 and related pipelines for purification and reutilization, water resources are saved, when the pressure sensor senses that the coal on the filter screen 591 reaches a certain weight, the coal outlet 593 is opened, the coal is discharged into the collecting frame 6, and therefore the separated coal is collected.
In the process, the total amount of gas between the second cylinder 25 and the second air bag 17 is constant, the sliding block 53 moves back and forth along with the piston rod of the first cylinder 58, so that the sliding block is ceaselessly contacted and separated with the second air bag 17, when the sliding block 53 is contacted with the second air bag 17, the second air bag 17 is extruded to convey the gas into the second cylinder 25, so that the piston rod of the second cylinder 25 extends out, when the sliding block 53 is separated from the contact with the second air bag 17, because the second air bag 17 is an elastic air bag, the second air bag 17 recovers, the gas in the second cylinder 25 flows back into the second air bag 17, so that the piston rod of the second cylinder 25 continuously extends out and retracts, because the inner frame 22 is made of an elastic material, the piston rod of the second cylinder 25 drives the spring to pull the frame wall at the outlet of the inner frame 22, so that the frame wall at the outlet of the inner frame 22 shakes, and fine coal in the inner frame 22 is, the working efficiency of the device is improved, the coal is prevented from being deposited on the surface of the outlet, the outlet of the inner frame 22 is prevented from being blocked, and the practicability of the equipment is improved.
Because the guide plate 4 is an elastic plate, when coal falls onto the guide plate 4, the guide plate 4 shakes up and down to drive the movable plate 41 to shake up and down, the third air bag 42 is an elastic air bag, so that the third air bag 42 can automatically recover after being pressed, the third air bag 42 is extruded and recovered along with the shaking of the movable plate 41, when the third air bag 42 is extruded, gas is blown into the bottom of the water tank 52 through the air inlet pipe, when the third air bag 42 recovers, the third air bag 42 absorbs air from the outside through the one-way air inlet valve, so that the outside air is continuously conveyed into the water tank 52, the coal at the bottom of the water tank 52 moves in water, the coal is prevented from being deposited at the bottom of the water tank 52, the coal and water can better enter the collecting hopper 59 together, the working efficiency is improved, meanwhile, the coal is more completely collected, and the coal washing efficiency is improved.
While one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the present invention.
(A) In the above embodiments, the guide plate and the movable plate are connected by the spring to realize the shaking of the movable plate, but the present invention is not limited thereto, and the guide plate and the movable plate may be connected by an elastic cord or an elastic rod to realize the shaking of the movable plate.
Industrial applicability
According to the invention, the process can obtain the refined coal with uniform particle size and low sulfur content and ash content, so that the coal refining process is useful in the technical field of coal refining.
Claims (6)
1. A refining process of coal is characterized in that: the process comprises the following steps:
the method comprises the following steps: primarily treating the mined raw material coal, removing gangue in the mined raw material coal, and screening the raw material coal into particles with different grades by using a screening machine;
step two: after screening in the first step, coal washing and sorting are carried out on raw material coal by coal mine coal washing equipment to obtain refined coal with uniform particles and good quality;
step three: after the refined coal is obtained in the second step, carrying out dehydration treatment on the obtained refined coal by using a dehydration device to ensure the quality of the refined coal;
step four: after dehydration in the third step, drying the dehydrated refined coal by using heat energy, detecting ash content and sulfur content of the dried refined coal, packaging and storing qualified refined coal, and performing coal washing operation again on coal which does not reach the standard;
the coal washing equipment for the coal mine in the second step comprises a support frame (1), a crushing frame (2), a crushing module (3), a guide plate (4), a coal washing module (5), a collecting frame (6) and an electric control cabinet (7); the support frame (1) comprises a bottom plate (11), a first vertical plate (12), a second vertical plate (13), a support plate (14) and an upright rod (15); the first vertical plate (12) is arranged at the right end of the bottom plate (11); the second vertical plate (13) is arranged on the bottom plate (11), the second vertical plate (13) is positioned on the left side of the first vertical plate (12), and the second vertical plate (13) is shorter than the first vertical plate (12); the support plate (14) is arranged at the upper end of the second vertical plate (13), and the right end of the support plate (14) is fixed in the middle of the first vertical plate (12); the number of the upright posts (15) is two, the upright posts (15) are symmetrically arranged at the left end of the supporting plate (14) from front to back, and the top ends of the upright posts (15) are flush with the first upright plate (12); the crushing frame (2) is arranged at the top ends of the first vertical plate (12) and the vertical rod (15), a feed hopper (21) is arranged on the crushing frame (2), and a discharge hole is formed in the lower end of the crushing frame (2); the crushing module (3) is positioned in the crushing frame (2), and the crushing module (3) is used for crushing coal blocks in the crushing frame (2); the guide plate (4) is obliquely arranged, the right end of the guide plate (4) is higher than the left end of the guide plate, the right end of the guide plate (4) is fixed on the first vertical plate (12), and the guide plate (4) is used for conveying crushed coal blocks; the coal washing module (5) is installed on the bottom plate (11), the coal washing module (5) is located on the lower left of the guide plate (4), and the coal washing module (5) is used for sorting crushed coal; the collecting frames (6) are arranged on the bottom plate (11), the collecting frames (6) are located at the bottom of the coal washing module (5), the number of the collecting frames (6) is two, and the collecting frames (6) are used for collecting the sorted coal; the electric control cabinet (7) is positioned on the right side of the first vertical plate (12), and the electric control cabinet (7) is used for controlling the operation of equipment;
the crushing module (3) comprises a motor (31), a connecting shaft (32), a first gear (33), a rotating shaft (34), a second gear (35), a sliding piece (36), a fixing frame (37), an extrusion block (38) and a cutter (39); the motor (31) is arranged at the top of the crushing frame (2), and the motor (31) is positioned outside the crushing frame (2); the connecting shaft (32) is arranged in the crushing frame (2) through an output shaft of the motor (31); the first gear (33) is arranged in the crushing frame (2) through a connecting shaft (32); the number of the rotating shafts (34) is not less than two, the rotating shafts (34) are fixed at the top of the crushing frame (2), and the rotating shafts (34) are positioned in the crushing frame (2); the number of the second gears (35) is the same as that of the rotating shafts (34), and the second gears (35) are meshed with the first gears (33); the number of the sliding pieces (36) is two, the sliding pieces (36) are symmetrically arranged at the top of the crushing frame (2), and the sliding pieces (36) can circumferentially slide in the crushing frame (2); the fixed frame (37) is installed in the crushing frame (2) through the bottom of the sliding piece (36), the fixed frame (37) is of a cylindrical structure, an inner gear ring is arranged at the upper end of the fixed frame (37), and the inner gear ring is meshed with the second gear (35); the fixed frame (37) is provided with channels, the number of channel groups is not less than one, the channels are uniformly distributed from top to bottom, and the number of the channels in each group is not less than two, and the channels are uniformly distributed along the circumferential direction; the extrusion blocks (38) are arranged on the connecting shaft (32), the number of the extrusion blocks (38) corresponds to the group number and the distribution of the channels on the fixed frame (37), and the extrusion blocks (38) are obtained by cutting off four arc-shaped blocks in a circumferential symmetric manner through a circular ring; the quantity of cutter (39) and the quantity and the distribution of distribution and extrusion piece (38) are the same, the tool bit of cutter (39) is located outside fixed frame (37), the handle of a knife of cutter (39) passes the through-hole on fixed frame (37) and is located fixed frame (37), the tip of handle of a knife is equipped with the arc lug, the winding has the spring on the handle of a knife, spring one end is connected with fixed frame (37) inner wall, the spring other end wants to be connected with the arc lug, the arc lug and the extrusion piece (38) of cutter (39) contact, cutter (39) are arranged in smashing the coal cinder in smashing frame (2).
2. The refining process of coal according to claim 1, characterized in that: the sliding piece (36) comprises a sliding rod (361), a sliding pin and a pulley (362); the top of the crushing frame (2) is provided with an annular cross sliding chute; the upper end of the sliding rod (361) is provided with two symmetrical rectangular bulges; the sliding pin is positioned in the cross sliding groove, penetrates through the two rectangular bulges on the sliding rod (361) and is used for installing the sliding rod (361); the pulley (362) is installed in the sliding groove through a sliding pin, the pulley (362) is in contact with the upper end of the sliding groove, and the pulley (362) is used for realizing the sliding of the sliding rod (361) in the sliding groove.
3. The refining process of coal according to claim 1, characterized in that: the coal washing module (5) comprises a fixing rod (51), a water tank (52), a sliding block (53), a first connecting rod (54), a second connecting rod (55), a third connecting rod (56), a filtering plate (57), a first air cylinder (58) and a collecting hopper (59); the number of the fixing rods (51) is four, the fixing rods (51) are arranged at the left and the right, and the fixing rods (51) are symmetrically fixed on the bottom plate (11) in the front-back direction; the water tank (52) is arranged on the fixing rod (51), a water inlet is formed in the left side of the water tank (52), two discharge valves are symmetrically arranged at the bottom of the water tank (52) in the left-right direction, and two convex blocks are symmetrically arranged at the upper end of the water tank (52) in the left-right direction; the number of the sliding blocks (53) is two, and the sliding blocks (53) are arranged on the bottom plate (11) in a left-right symmetrical mode; the number of the first connecting rods (54) is two, the first connecting rods (54) are arranged in a bilateral symmetry mode, and the middle parts of the first connecting rods (54) are hinged with the convex blocks of the water tank (52); the number of the second connecting rods (55) is two, the second connecting rods (55) are arranged in bilateral symmetry, one ends of the second connecting rods (55) are hinged to the sliding blocks (53), and the other ends of the second connecting rods (55) are hinged to the first connecting rods (54); the number of the third connecting rods (56) is two, the third connecting rods (56) are arranged in bilateral symmetry, and one ends of the third connecting rods (56) are hinged to the first connecting rod (54); the two ends of the filter plate (57) are hinged with the two third connecting rods (56), the filter plate (57) is positioned in the water tank (52), a pressure sensor is arranged in the filter plate (57), and the filter plate (57) is used for sorting coal; the number of the first air cylinders (58) is two, the first air cylinders (58) are arranged in a bilateral symmetry mode, the first air cylinders (58) are fixed on the bottom plate (11), piston rods of the first air cylinders (58) are connected with the sliding block (53), and the first air cylinders (58) are used for driving the sliding block (53) to move; the number of the collecting hoppers (59) is two, the collecting hoppers (59) are fixed at the bottom of the water tank (52), the collecting hoppers (59) are positioned above the collecting frame (6), the two collecting hoppers (59) are respectively positioned below the left discharge valve and the right discharge valve, and the collecting hoppers (59) are used for collecting the sorted coal and conveying the coal into the collecting frame (6); the crushing frame (2) comprises an inner frame (22) and an outer frame (23); the inner frame (22) is made of an elastic material; the inner frame (22) is wrapped by the outer frame (23), the first air bag (24) is arranged between the outer frame (23) and the inner frame (22), the first air bag (24) is an elastic air bag, the first air bag (24) is connected with the first air cylinder (58) through a pipeline, and the first air bag (24) is used for driving the first air cylinder (58).
4. A coal refining process according to claim 3, wherein: the collecting hopper (59) comprises a filter screen (591), a water outlet (592) and a coal outlet (593); the filter screen (591) is positioned in the collecting hopper (59), the filter screen (591) is obliquely arranged, a pressure sensor is arranged in the filter screen (591), and the filter screen (591) is used for separating water from coal; the water outlet (592) is positioned below the filter screen (591), the water outlet (592) is connected with external water purification equipment through a pipeline, and the water outlet (592) is used for discharging water in the collecting hopper (59); the coal outlet (593) is positioned above the filter screen (591), and the coal outlet (593) is used for discharging coal in the collecting hopper (59).
5. A coal refining process according to claim 3, wherein: the bottom of the inner frame (22) is also provided with a second air cylinder (25), the number of the second air cylinders (25) is four, the second air cylinders (25) are respectively fixed on the first vertical plate (12) and the vertical rod (15), the second air cylinders (25) are connected with the inner frame (22) through springs, and the second air cylinders (25) are used for driving the inner frame (22) to shake; the bottom plate (11) is also provided with a baffle plate (16) and a second air bag (17); the number of the baffles (16) is two, and the baffles (16) are arranged symmetrically left and right; no. two gasbag (17) are located between baffle (16) and slider (53), and No. two gasbag (17) are elastic gasbag, and No. two gasbag (17) are connected with No. two cylinder (25) through the pipeline, and No. two gasbag (17) are used for supplying air for No. two cylinder (25).
6. A coal refining process according to claim 3, wherein: the right side of the water tank (52) is also provided with an air inlet pipe, and the air inlet pipe is used for blowing coal at the bottom of the water tank (52); a movable plate (41) and a third air bag (42) are further arranged at the bottom of the guide plate (4); the right end of the movable plate (41) is hinged to the first vertical plate (12), the movable plate (41) is connected with the guide plate (4) through a spring, and the movable plate (41) is used for supporting the guide plate (4); the third air bag (42) is arranged between the support plate (14) and the movable plate (41), the third air bag (42) is an elastic air bag, the third air bag (42) is connected with an air inlet pipe of the water tank (52), a one-way air inlet valve is arranged on the third air bag (42), and the third air bag (42) is used for ventilating the water tank (52).
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| CN201811021477.2A CN109225500B (en) | 2018-09-03 | 2018-09-03 | Refining process of coal |
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| CN201811021477.2A CN109225500B (en) | 2018-09-03 | 2018-09-03 | Refining process of coal |
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| CN109225500B true CN109225500B (en) | 2020-10-20 |
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| CN109225500A (en) | 2019-01-18 |
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