Raw material drying device for solid fuel production

Abstract

The utility model discloses a raw material drying device for solid fuel production, which relates to the technical field of dryers and comprises a drying chamber structure, a hot air structure is arranged on one side of the drying chamber structure, a conveying structure is arranged in the middle of the drying chamber structure and used for moving raw materials, and a gas conveying structure is fixedly connected to the upper end of the drying chamber structure. A purification structure is fixedly connected to one side of the upper end of the drying chamber structure, and a dust removal structure is slidably connected to one side of the purification structure. Raw materials needing to be dried are placed on the conveying structure, then hot air is conveyed into the inner cavity of the drying chamber structure through the hot air structure, and therefore the raw materials on the conveying structure can be dried, harmful gas generated during drying can be extracted from the inner cavity of the drying chamber structure through the gas conveying structure, and the drying efficiency is improved. And then the gas is conveyed into an inner cavity of the purification structure and purified through the purification structure, and then the purified gas is discharged to the outside, so that the practicability and universality of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dryers, in particular to a raw material drying device for solid fuel production. Background Art

[0002] Solid fuel is a combustible material, usually containing carbon or hydrocarbons, which has the ability to generate heat or power. Natural solid fuels include wood, peat, lignite, bituminous coal, anthracite, oil shale, etc., while processed solid fuels include charcoal, coke, briquettes, coal balls, etc.

[0003] In the production process of solid fuel, drying is an important step. The main purpose of drying is to remove moisture from the raw materials so that they are easier to ignite when burned, while improving combustion efficiency and reducing smoke and pollutants generated during the combustion process. In addition, drying can also make solid fuels more stable during storage and use, reducing the impact on the environment. For the drying of solid fuels, heat source heating is usually used to pass hot air or hot steam into the drying equipment to contact the raw materials and remove their moisture. Different drying equipment has different structures and operating methods, but their basic principles are the same, that is, to remove moisture from the raw materials by heating and ventilation. When in use, the existing solid fuel raw material dryer cannot treat the harmful gases generated when drying solid fuels, or the treatment operation is cumbersome and the cost is high.

[0004] Chinese patent document CN218443101U discloses a raw material dryer for solid fuel production, including a drying box, the lower surface of the drying box is fixedly installed with supporting feet near both sides, and the front surface of the drying box is movably connected with a box door through hinges, the lower surface of the drying box is fixedly installed with an air guide cover, the bottom of the air guide cover is connected with a blower, the top center of the drying box is fixedly connected with a ventilation pipe, and the interior of the drying box is embedded with a heating wire near the bottom, the interior of the drying box is fixedly installed with mounting racks near both sides, the inner side of the mounting rack is connected with a plurality of placement racks, and the outsides of the plurality of placement racks are connected with cleaning mechanisms; however, the following defects still exist in the implementation process:

[0005] Although the above patent document can drive the cleaning pad to clean the placement rack, the device in the above document cannot handle the harmful gas generated when the solid fuel is dried. Utility Model Content

[0006] The purpose of the utility model is to provide a raw material drying device for solid fuel production to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A raw material drying device for solid fuel production comprises a drying chamber structure, a hot air structure is arranged on one side of the drying chamber structure, the hot air structure is used to dry the raw materials in the inner cavity of the drying chamber structure, a conveying structure is arranged in the middle of the drying chamber structure, the conveying structure is used to move the raw materials, an air conveying structure is fixedly connected to the upper end of the drying chamber structure, a purification structure is fixedly connected to one side of the upper end of the drying chamber structure, and a dust removal structure is slidably connected to one side of the purification structure.

[0009] A further improvement of the technical solution of the utility model is that the drying chamber structure includes an outer shell, an air outlet is provided on one side of the upper end of the outer shell and extends through the outer surface of the outer shell to the inner cavity of the outer shell, an inlet and outlet trough is provided in the middle of the outer shell, and an air inlet is provided on one side of the outer shell close to the hot air structure and extends through the outer surface of the outer shell to the inner cavity of the outer shell.

[0010] By adopting the above technical solution, a plurality of air inlets are provided in the solution, and the heated air can be transported to the inner cavity of the outer shell through the air inlets, so that the raw materials in the inner cavity of the outer shell can be heated.

[0011] A further improvement of the technical solution of the utility model is that the hot air structure includes a wind shield, a side of the wind shield close to the outer shell is fixedly connected to a side of the outer shell close to the wind shield, one side of the wind shield is fixedly connected to an air outlet pipe and the inner cavity of the air outlet pipe is communicated with the inner cavity of the wind shield, the other end of the air outlet pipe is fixedly connected to a heater, and one side of the heater is fixedly connected to an air inlet pipe.

[0012] By adopting the above technical solution, the air extracted from the air inlet pipe can be heated through the cooperation of the heater and the air inlet pipe, and then transported to the inner cavity of the windshield through the air outlet pipe.

[0013] A further improvement of the technical solution of the utility model is that the conveying structure includes a motor and two limiting wheels, the inner cavities of the two limiting wheels are fixedly connected to bearings, the outer surfaces of the two bearings are commonly wound and connected to a conveyor belt, the outer surfaces of the two bearings are rotatably connected to a plurality of connecting blocks, the sides of the plurality of connecting blocks close to the outer shell are fixedly connected to the outer shell, and the output end of the motor is fixedly connected to one end of the bearing on the same side.

[0014] By adopting the above technical solution, the cooperation between the motor and the bearing can drive the conveyor belt to rotate and move, thereby driving the raw materials on the conveyor belt to move.

[0015] A further improvement of the technical solution of the utility model is that the gas transmission structure includes an exhaust pipe, the exhaust pipe input end is fixedly connected to the exhaust hole, a connecting block 2 is fixedly connected to one side of the exhaust pipe inner cavity, and the connecting block 2 is rotatably connected to a motor fan.

[0016] By adopting the above technical solution, the exhaust gas in the inner cavity of the outer shell can be extracted through the exhaust gas pipe through the cooperation of the exhaust gas pipe and the motor fan.

[0017] A further improvement of the technical solution of the utility model is that the purification structure includes an outer shell two, a side of the outer shell two close to the exhaust pipe is fixedly connected to the output end of the exhaust pipe, the upper end of the outer shell two is fixedly connected to a water diversion box, the bottom wall of the inner cavity of the outer shell two is fixedly connected to a water pump, the output end of the water pump passes through the inner cavity of the outer shell two and extends to the outer surface of the outer shell two and passes through the outer surface of the water diversion box and extends to the inner cavity of the water diversion box, a plurality of nozzles are fixedly connected to the lower end of the water diversion box, a water outlet trough is provided on the inner cavity partition of the outer shell two, two slide plates are fixedly connected to the lower end of the inner cavity partition of the outer shell two, and T-shaped grooves are provided on the opposite surfaces of the two slide plates.

[0018] The above technical solution is adopted. In this solution, the water in the inner cavity of the second shell can be transported to the inner cavity of the water diversion box through the cooperation of the water pump and the water diversion box, and then the exhaust gas extracted into the inner cavity of the second shell can be treated through the nozzle.

[0019] A further improvement of the technical solution of the utility model is that the dust removal structure includes a dust collecting plate, and the sides of the dust collecting plate close to the slide plate are fixedly connected with sliders, and the outer surfaces of the sliders are slidably connected to the inner cavity of the T-slot opened on the slide plate on the same side.

[0020] By adopting the above technical solution, dust in water can be filtered through the filter screen on the bottom wall of the inner cavity of the dust collecting plate.

[0021] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0022] 1. The utility model provides a raw material drying device for solid fuel production, which places the raw materials to be dried on the conveying structure, and then uses the hot air structure to convey the hot air to the inner cavity of the drying chamber structure, so that the raw materials on the conveying structure can be dried. The harmful gases generated during drying can be extracted from the inner cavity of the drying chamber structure through the gas transmission structure, and then conveyed to the inner cavity of the purification structure, purified by the purification structure, and then the purified gas is discharged to the outside, thereby improving the practicability and universality of the device.

[0023] 2. The utility model provides a raw material drying device for solid fuel production, which transports water from the bottom wall of the inner cavity of the second outer shell to the inner cavity of the water separation box through a water pump, and then purifies harmful gases and dust drawn into the inner cavity of the second outer shell through a nozzle. After that, water containing dust and harmful gases will flow into the inner cavity of the dust collecting plate through the inner cavity of the water outlet trough, and can be filtered through the filter screen on the bottom wall of the inner cavity of the dust collecting plate. The filtered water will be collected on the bottom wall of the inner cavity of the second outer shell, so that it can be reused, thereby improving the utilization efficiency of water resources and improving the practicability and universality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the drying chamber structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the hot air structure of the utility model;

[0027] Figure 4 It is a schematic diagram of the conveying structure of the utility model;

[0028] Figure 5 This is a schematic diagram of the gas transmission structure of the utility model;

[0029] Figure 6 It is a schematic diagram of the purification structure of the utility model;

[0030] Figure 7 It is a schematic diagram of the dust removal structure of the utility model.

[0031] In the figure: 1. Drying chamber structure; 11. Shell 1; 12. Air outlet; 13. Inlet and outlet trough; 14. Air inlet; 2. Hot air structure; 21. Wind shield; 22. Heater; 23. Air outlet pipe; 24. Air inlet pipe; 3. Conveying structure; 31. Motor; 32. Limiting wheel; 33. Bearing; 34. Connecting block 1; 35. Conveyor belt; 4. Air transmission structure; 41. Exhaust pipe; 42. Connecting block 2; 43. Motor fan; 5. Purification structure; 51. Shell 2; 52. Water distribution box; 53. Water pump; 54. Nozzle; 55. Water outlet trough; 56. Slide plate; 6. Dust removal structure; 61. Dust collecting plate; 62. Slider. DETAILED DESCRIPTION

[0032] The present invention is further described in detail below in conjunction with the embodiments:

[0033] Example 1

[0034] like Figure 1-7 As shown, the utility model provides a raw material drying device for solid fuel production, including a drying chamber structure 1, a hot air structure 2 is arranged on one side of the drying chamber structure 1, the hot air structure 2 is used to dry the raw materials in the inner cavity of the drying chamber structure 1, a conveying structure 3 is arranged in the middle of the drying chamber structure 1, the conveying structure 3 is used to move the raw materials, an air conveying structure 4 is fixedly connected to the upper end of the drying chamber structure 1, a purification structure 5 is fixedly connected to one side of the upper end of the drying chamber structure 1, and a dust removal structure 6 is slidably connected to one side of the purification structure 5.

[0035] In this embodiment, the drying chamber structure 1 provides a closed space for drying the raw materials, the hot air structure 2 can transport hot air to the inner cavity of the drying chamber structure 1, so as to dry the raw materials, the conveying structure 3 can transport the raw materials, the exhaust gas in the inner cavity of the drying chamber structure 1 can be extracted through the gas delivery structure 4, and then the exhaust gas can be treated through the purification structure 5, and the dust in the water can be filtered through the dust removal structure 6.

[0036] Example 2

[0037] like Figure 2 and Figure 3 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the drying chamber structure 1 includes a shell 11, an air outlet 12 is provided on one side of the upper end of the shell 11, which passes through the outer surface of the shell 11 and extends to the inner cavity of the shell 11, a material inlet and outlet trough 13 is provided in the middle of the shell 11, and an air inlet 14 is provided on one side of the shell 11 close to the hot air structure 2, which passes through the outer surface of the shell 11 and extends to the inner cavity of the shell 11;

[0038] The hot air structure 2 includes a wind shield 21, a side of the wind shield 21 close to the outer shell 11 is fixedly connected to a side of the outer shell 11 close to the wind shield 21, an air outlet pipe 23 is fixedly connected to one side of the wind shield 21, and the inner cavity of the air outlet pipe 23 is communicated with the inner cavity of the wind shield 21, the other end of the air outlet pipe 23 is fixedly connected to a heater 22, and one side of the heater 22 is fixedly connected to an air inlet pipe 24.

[0039] In this embodiment, as can be seen from the above, when the raw materials need to be dried, the raw materials are first placed on the conveying structure 3, at the feed port of the outer shell 11, and then the heater 22 is operated to draw the surrounding air through the air inlet pipe 24, and then the air is heated by the heater 22, and then the heated air is conveyed to the inner cavity of the wind shield 21 through the air outlet pipe 23, so that the heated air will flow into the inner cavity of the outer shell 11 through the air inlet 14.

[0040] Example 3

[0041] like Figure 4 As shown, on the basis of Example 2, the utility model provides a technical solution: preferably, the conveying structure 3 includes a motor 31 and two limiting wheels 32, the inner cavities of the two limiting wheels 32 are fixedly connected with bearings 33, the outer surfaces of the two bearings 33 are commonly wound and connected with a conveyor belt 35, the outer surfaces of the two bearings 33 are rotatably connected with a plurality of connecting blocks 34, the sides of the plurality of connecting blocks 34 close to the outer shell 11 are fixedly connected to the outer shell 11, and the output end of the motor 31 is fixedly connected to one end of the bearing 33 on the same side.

[0042] In this embodiment, as can be seen from the above, when the dried raw materials need to be transported, the rotation of the output end of the motor 31 drives the limiting wheel 32 to rotate, and then the limiting wheel 32 and the conveyor belt 35 cooperate to drive the conveyor belt 35 to rotate and move, and the raw materials placed on the limiting wheel 32 can be driven together, so that the raw materials can be transported from the feed port of the outer shell 11 to the discharge port of the outer shell 11. During the transportation process, the hot air flowing into the inner cavity of the outer shell 11 through a number of air inlets 14 will dry the raw materials on the conveyor belt 35.

[0043] Example 4

[0044] like Figure 5 , Figure 6 , Figure 7 As shown, on the basis of embodiment 3, the utility model provides a technical solution: preferably, the gas delivery structure 4 includes an exhaust pipe 41, the input end of the exhaust pipe 41 is fixedly connected to the exhaust hole 12, and a connecting block 2 42 is fixedly connected to one side of the inner cavity of the exhaust pipe 41, and the connecting block 2 42 is rotatably connected to a motor fan 43;

[0045] The purification structure 5 includes a second shell 51, a side of the second shell 51 close to the exhaust pipe 41 is fixedly connected to the output end of the exhaust pipe 41, a water separation box 52 is fixedly connected to the upper end of the second shell 51, a water pump 53 is fixedly connected to the bottom wall of the inner cavity of the second shell 51, the output end of the water pump 53 passes through the inner cavity of the second shell 51 and extends to the outer surface of the second shell 51 and passes through the outer surface of the water separation box 52 and extends to the inner cavity of the water separation box 52, a plurality of nozzles 54 are fixedly connected to the lower end of the water separation box 52, a water outlet trough 55 is provided on the inner cavity partition of the second shell 51, and two slide plates 56 are fixedly connected to the lower end of the inner cavity partition of the second shell 51, and T-shaped grooves are provided on the opposite surfaces of the two slide plates 56;

[0046] The dust removal structure 6 includes a dust collecting plate 61, and the sides of the dust collecting plate 61 close to the slide plate 56 are fixedly connected with sliders 62, and the outer surfaces of the sliders 62 are slidably connected to the inner cavities of the T-shaped grooves opened in the slide plate 56 on the same side.

[0047] In this embodiment, as can be seen from the above, when the exhaust gas needs to be treated, the motor fan 43 is operated, and then the exhaust gas in the inner cavity of the outer shell 11 can be transported to the inner cavity of the outer shell 2 51 by utilizing the cooperation of the exhaust pipe 41 and the air outlet 12, and then the water source on the bottom wall of the inner cavity of the outer shell 2 51 is transported to the inner cavity of the water diversion box 52 through the water pump 53, and then the exhaust gas transported to the inner cavity of the outer shell 2 51 can be treated and purified by a number of nozzles 54, and the purified water resources will flow into the inner cavity of the dust collecting plate 61 through the water outlet trough 55, and then be filtered by the filter screen on the bottom wall of the inner cavity of the dust collecting plate 61, and the filtered water resources will be collected on the bottom wall of the inner cavity of the outer shell 2 51.

[0048] The working principle of the raw material drying device for solid fuel production will be described in detail below.

[0049] like Figure 1-7 As shown, when the raw material needs to be dried, the raw material is first placed on the conveying structure 3, at the feed port of the housing 11, and then the heater 22 is operated to extract the surrounding air through the air inlet pipe 24, and then the air is heated by the heater 22, and then the heated air is conveyed to the inner cavity of the wind shield 21 through the air outlet pipe 23, so that the heated air will flow into the inner cavity of the housing 11 through the air inlet 14;

[0050] Then, the output end of the motor 31 rotates to drive the limiting wheel 32 to rotate, and then the limiting wheel 32 and the conveyor belt 35 cooperate to drive the conveyor belt 35 to rotate and move, and the raw materials placed on the limiting wheel 32 can be driven together, so that the raw materials can be transported from the feed port of the shell 11 to the discharge port of the shell 11. During the transportation process, the hot air flowing into the inner cavity of the shell 11 through the plurality of air inlets 14 will dry the raw materials on the conveyor belt 35.

[0051] When too much waste gas is generated by drying the raw materials, the motor fan 43 can be operated, and then the waste gas in the inner cavity of the shell 11 can be transported to the inner cavity of the shell 2 51 by utilizing the cooperation of the waste gas pipe 41 and the air outlet 12, and then the water source on the bottom wall of the inner cavity of the shell 2 51 is transported to the inner cavity of the water diversion box 52 through the water pump 53, and then the waste gas transported to the inner cavity of the shell 2 51 can be processed and purified by a number of nozzles 54, and the purified water resources will flow into the inner cavity of the dust collecting plate 61 through the water outlet trough 55, and then be filtered by the filter screen on the bottom wall of the inner cavity of the dust collecting plate 61, and the filtered water resources will be collected on the bottom wall of the inner cavity of the shell 2 51.

[0052] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A raw material drying device for solid fuel production, comprising a drying chamber structure (1), characterized in that: A hot air structure (2) is provided on one side of the drying chamber structure (1), and the hot air structure (2) is used to dry the raw materials in the inner cavity of the drying chamber structure (1). A conveying structure (3) is provided in the middle of the drying chamber structure (1), and the conveying structure (3) is used to move the raw materials. The upper end of the drying chamber structure (1) is fixedly connected to an air delivery structure (4), and one side of the upper end of the drying chamber structure (1) is fixedly connected to a purification structure (5), and one side of the purification structure (5) is slidably connected to a dust removal structure (6).

2. A raw material drying device for solid fuel production according to claim 1, characterized in that: The drying chamber structure (1) comprises an outer shell (11), an air outlet (12) penetrating through the outer surface of the outer shell (11) and extending to the inner cavity of the outer shell (11) is provided on one side of the upper end of the outer shell (11), a material inlet and outlet trough (13) is provided in the middle of the outer shell (11), and an air inlet (14) penetrating through the outer surface of the outer shell (11) and extending to the inner cavity of the outer shell (11) is provided on one side of the outer shell (11) close to the hot air structure (2).

3. A raw material drying device for solid fuel production according to claim 2, characterized in that: The hot air structure (2) comprises a wind shield (21), a side of the wind shield (21) close to the outer shell (11) is fixedly connected to a side of the outer shell (11) close to the wind shield (21), one side of the wind shield (21) is fixedly connected to an air outlet pipe (23), and the inner cavity of the air outlet pipe (23) is communicated with the inner cavity of the wind shield (21), the other end of the air outlet pipe (23) is fixedly connected to a heater (22), and one side of the heater (22) is fixedly connected to an air inlet pipe (24).

4. A raw material drying device for solid fuel production according to claim 2, characterized in that: The conveying structure (3) comprises a motor (31) and two limiting wheels (32); the inner cavities of the two limiting wheels (32) are fixedly connected to bearings (33); the outer surfaces of the two bearings (33) are commonly wound and connected to a conveyor belt (35); the outer surfaces of the two bearings (33) are rotatably connected to a plurality of connecting blocks (34); the sides of the plurality of connecting blocks (34) close to the outer shell (11) are fixedly connected to the outer shell (11); and the output end of the motor (31) is fixedly connected to one end of the bearing (33) on the same side.

5. A raw material drying device for solid fuel production according to claim 2, characterized in that: The gas delivery structure (4) comprises an exhaust pipe (41), the input end of the exhaust pipe (41) is fixedly connected to the exhaust hole (12), a connecting block 2 (42) is fixedly connected to one side of the inner cavity of the exhaust pipe (41), and the connecting block 2 (42) is rotatably connected to a motor fan (43).

6. A raw material drying device for solid fuel production according to claim 1, characterized in that: The purification structure (5) comprises a second shell (51), a side of the second shell (51) close to the exhaust pipe (41) is fixedly connected to the output end of the exhaust pipe (41), the upper end of the second shell (51) is fixedly connected to a water separation box (52), the bottom wall of the inner cavity of the second shell (51) is fixedly connected to a water pump (53), the output end of the water pump (53) passes through the inner cavity of the second shell (51) and extends to the outer surface of the second shell (51) and passes through the outer surface of the water separation box (52) and extends to the inner cavity of the water separation box (52), the lower end of the water separation box (52) is fixedly connected to a plurality of nozzles (54), the inner cavity partition of the second shell (51) is provided with a water outlet groove (55), the lower end of the inner cavity partition of the second shell (51) is fixedly connected to two slide plates (56), and the opposite surfaces of the two slide plates (56) are provided with T-shaped grooves.

7. A raw material drying device for solid fuel production according to claim 6, characterized in that: The dust removal structure (6) comprises a dust collecting plate (61), and the side surfaces of the dust collecting plate (61) close to the slide plate (56) are fixedly connected with sliders (62), and the outer surfaces of the sliders (62) are slidably connected with the inner cavity of the T-shaped groove opened in the slide plate (56) on the same side.

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