A mixing and conveying system and method for furfural residue and biomass fuel

Abstract

The present invention discloses a mixing and conveying system and method for furfural slag and biomass fuel, including a conveyor belt, a plurality of double-screw conveyors are arranged on the conveyor belt, the double-screw conveyors include a machine body, a plurality of rotatable and reciprocating spray pipes are arranged in the machine body, the spray pipes are provided with evenly distributed spray holes, a storage box is arranged at the bottom of the machine body, a cleaning liquid is stored in the storage box, and a conveying mechanism for conveying the cleaning liquid to the spray pipe is arranged in the storage box. The design combining the conveyor belt and the double-screw conveyor is adopted, so that the mixing and conveying are carried out at the same time, so that the amount of furfural slag entering the boiler is uniform, and the thermal efficiency of the boiler is improved; the double helix in the double-screw conveyor can eliminate the radial force, so that the material feeding is smoother and more uniform, the conveying efficiency is improved, and it plays a great role in stabilizing the feeding amount and solving the problems of material jamming and blocking, and has a high social use value and application prospect.

Description

Technical Field

[0001] The invention relates to the technical field of mixing and conveying machinery, and in particular to a mixing and conveying system and method for furfural residue and biomass fuel. Background Art

[0002] Furfural slag is a solid waste from furfural production. Its moisture content is about 50% and its calorific value is about 1800Kcal. The cost of reducing and harmless treatment is high. In recent years, furfural slag has been increasingly used as fuel in thermal power plants and sent to fluidized bed boilers for treatment. However, due to the disadvantages of high moisture content and low calorific value, furfural slag cannot be burned in the furnace alone. Before entering the furnace, it needs to be mixed with other conventional biomass fuels in a certain proportion, such as straw, branches, roots, templates, etc., and sent to the fluidized bed boiler together.

[0003] At first, furfural residue was mixed with other biomass fuels manually using a forklift or a crane. Manual mixing was uneven, and it was easy to feed too much due to negligence, causing the materials to get stuck. At the same time, manual mixing was not only inefficient, but also required 1-2 people to mix each time, resulting in high overall costs. At the same time, after mixing, the materials were not evenly fed into the furnace when they were fed, resulting in insufficient combustion of the materials.

[0004] Therefore, in order to be suitable for combustion in fluidized bed boilers, the inventors, based on their rich experience in design, development and actual production in the relevant industry for many years, have conducted research and improvements on the existing structures and deficiencies, and provided a mixing and conveying system and method for furfural slag and biomass fuel, in order to achieve a more practical purpose. Summary of the invention

[0005] In order to solve the problems of uneven mixing, low mixing efficiency, high cost, incomplete combustion in the furnace and other shortcomings of manual mixing mentioned in the above background technology, the present invention provides a mixing and conveying system and method for furfural slag and biomass fuel.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A mixing and conveying system for furfural residue and biomass fuel comprises a conveyor belt, a plurality of double-screw conveyors are arranged on the conveyor belt, the double-screw conveyors comprise a body, a feed hopper is arranged at the upper end of the body, a double-screw conveying auger is arranged in the body, and a discharge port for laying materials on the conveyor belt is arranged at the bottom of the body, a plurality of rotatable and reciprocating spray pipes are arranged in the body, the spray pipes are provided with evenly distributed spray holes, a storage box is arranged at the bottom of the body, a cleaning liquid is stored in the storage box, and a conveying mechanism for conveying the cleaning liquid to the spray pipe is arranged in the storage box.

[0008] Preferably, an adjusting block which can move back and forth is provided on the upper inner wall of the machine body, a rotatable spray main pipe is provided at the bottom of the adjusting block, and the spray pipes are evenly distributed on the outside of the spray main pipe.

[0009] Preferably, the upper inner wall of the body is provided with symmetrically distributed and fixedly connected limit frames, the adjustment block is slidably connected between the limit frames, a fixedly connected adjustment shaft is provided between the limit frames, a reciprocating thread is provided on the adjustment shaft, and a rotatable adjustment tube matching the reciprocating thread is provided on the adjustment shaft, a through-type connecting hole is provided on the adjustment block, and the adjusting tube is rotatably connected in the connecting hole.

[0010] Preferably, an adjustment groove is provided on the inner wall of the connecting hole, an adjustment gear fixedly connected to the outer side of the adjusting tube is provided in the adjusting groove, and a transmission gear rotatably connected and meshing with the adjustment gear is provided on the inner wall of the adjusting groove, a first bevel gear fixedly connected is provided on the outer side of the transmission gear, and a second bevel gear rotatably connected and meshing with the first bevel gear is also provided in the adjusting groove, a fixedly connected synchronization shaft is provided at the upper end of the spray main pipe, the upper end of the synchronization shaft moves through the inner wall of the adjusting groove, and the extending end of the synchronization shaft is fixedly connected to the second bevel gear.

[0011] Preferably, the delivery mechanism comprises a delivery pump and a delivery pipe, the delivery pump is arranged in the storage box, and the delivery pipe is provided at the output end of the delivery pump, and the extended end of the delivery pipe is connected to the spray main pipe.

[0012] Preferably, a rotatable winding shaft is provided at one end of the limit frame, a guide groove is provided inside the winding shaft, the extended end of the conveying pipe is fixedly installed on the limit frame, and the conveying pipe is connected with one end of the guide groove, a fixedly connected winding tube is provided on the winding shaft, the winding tube is connected with the other end of the guide groove, and the winding tube is evenly wound on the winding shaft, a rotatably connected connecting ring plate is provided on the outer side of the spray main pipe, a connecting ring groove is provided on the inner side wall of the connecting ring plate, a transmission groove connected with the connecting ring groove is provided on the outer side of the spray main pipe, the extended end of the winding tube is fixedly connected to the connecting ring plate, and the winding tube is connected with the connecting ring groove.

[0013] Preferably, a ruler spring is provided between the winding shaft and the limiting frame to drive the winding shaft to automatically rotate in the opposite direction and reset.

[0014] Preferably, a discharge trough is provided on one side of the discharge port, a discharge plate which can move back and forth and is used to seal the discharge port is provided in the discharge trough, and a reflux trough connected to the storage box is provided at the bottom of the discharge trough, and a reflux plate which can rotate to open and close is provided in the reflux trough.

[0015] Preferably, a rotating shaft rotatably connected to the reflux groove is provided at one end of the reflux plate, and a torsion spring is provided on the rotating shaft for driving the reflux plate to automatically rotate and close. A retractable support rod is provided at the bottom of the reflux groove for supporting and fixing the bottom of the reflux plate.

[0016] A method for mixing and conveying furfural residue and biomass fuel comprises the following steps:

[0017] S1 places two double screw conveyors along the conveying direction of the conveyor belt, feeds the furfural residue raw material into the double screw conveyor near the starting end of the conveyor belt, and feeds the biomass fuel into the other double screw conveyor;

[0018] S2 starts the conveyor belt to rotate, and then starts the double screw conveyor loaded with furfural residue, so that the furfural residue is conveyed to the discharge port and falls on the conveyor belt;

[0019] S3 When the conveyor belt loaded with furfural slag moves to the bottom of the double screw conveyor loaded with biomass fuel, start the double screw conveyor to evenly spread the biomass fuel on the surface of the furfural slag, so that the biomass fuel and furfural slag can be evenly mixed in proportion, and finally transported to the biomass fluidized bed boiler for incineration along the conveyor belt.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The design of combining conveyor belt and double screw conveyor makes mixing and conveying happen at the same time, making the amount of furfural slag entering the boiler uniform and improving the thermal efficiency of the boiler; the double screw conveyor, with its inner double screw, can eliminate radial force, making the feeding smoother and more uniform, improving the conveying efficiency, playing a great role in stabilizing the feeding amount and solving the problems of material jamming and blocking, and is highly practical;

[0022] The design of the spray pipe and storage box enables the cleaning liquid in the storage box to be transported to the spray pipe through the conveying mechanism, so that the spray pipe can automatically clean the inside of the machine body. The design of the spray pipe that can rotate and move back and forth enables the spray pipe to clean the inside of the machine body more thoroughly, thereby improving the cleaning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0025] Figure 2 It is a schematic diagram of the cross-sectional structure of the double screw conveyor of the present invention.

[0026] Figure 3 It is a schematic diagram of the three-dimensional structure of the limit frame, the adjustment block and the spray pipe of the present invention.

[0027] Figure 4 It is a schematic diagram of the cross-sectional structure of the adjustment groove of the present invention.

[0028] Figure 5 It is a schematic diagram of the three-dimensional connection structure of the regulating gear and the synchronous gear of the present invention.

[0029] Figure 6 It is a schematic diagram of the cross-sectional structure of the winding shaft of the present invention.

[0030] Figure 7 For the present invention Figure 2 Enlarged view of point A in the middle.

[0031] In the figure: 1, conveyor belt; 2, double screw conveyor; 20, winding tube; 21, driving motor; 22, feed hopper; 23, discharge port; 231, buffer rubber pad; 232, discharge plate; 233, connecting piece; 234, driving groove; 2341, hydraulic rod; 235, discharge groove; 236, rotating shaft; 237, return plate; 238, return groove; 239, support block; 2391, connecting groove; 2392, reset spring; 2393, support rod; 24, limit frame; 241, adjustment block; 2411, connecting hole; 2 412, adjusting groove; 2415, adjusting gear; 2414, second bevel gear; 2413, transmission gear; 2416, first bevel gear; 2417, fixed shaft; 242, adjusting shaft; 243, reciprocating thread; 244, winding shaft; 2441, guide groove; 25, storage box; 251, delivery pump; 252, delivery pipe; 26, spiral delivery auger; 27, spray pipe; 271, spray hole; 272, connecting ring plate; 273, spray main pipe; 274, synchronous shaft; 28, adjusting pipe; 281, limit ring plate. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Example 1

[0034] Reference Figure 1-2A mixing and conveying system for furfural residue and biomass fuel, comprising a conveyor belt 1, on which a plurality of double-screw conveyors 2 are arranged, the double-screw conveyors 2 comprising a body, a feed hopper 22 is arranged at the upper end of the body, a double-screw conveying auger 26 is arranged in the body, and a discharge port 23 for laying materials on the conveyor belt 1 is arranged at the bottom of the body, a plurality of rotatable and reciprocating spray pipes 27 are arranged in the body, and the spray pipes 27 are provided with evenly distributed spray holes 271, and a storage box 25 is arranged at the bottom of the body, in which cleaning liquid is stored, and a conveying mechanism for conveying the cleaning liquid to the spray pipe 27 is arranged in the storage box 25. A driving motor 21 is arranged on one side of the body, and the output end of the driving motor 21 is connected to the screw conveying auger 26.

[0035] The design of combining the conveyor belt 1 and the double screw conveyor 2 is adopted, so that the mixing and conveying can be carried out simultaneously, so that the amount of furfural slag entering the boiler is uniform, and the thermal efficiency of the boiler is improved; the double screws in the double screw conveyor 2 can eliminate the radial force, so that the feeding is smoother and more uniform, and the conveying efficiency is improved, which plays a great role in stabilizing the feeding amount and solving the problems of material jamming and blocking, and has strong practicality;

[0036] The design of the spray pipe 27 and the storage box 25 enables the cleaning liquid in the storage box 25 to be transported to the spray pipe 27 through the conveying mechanism, so that the spray pipe 27 can automatically clean the inside of the machine body. The design of the spray pipe 27 being rotatable and able to move back and forth enables the spray pipe 27 to clean the inside of the machine body more thoroughly, thereby improving the cleaning efficiency.

[0037] Reference Figure 3-5 An adjusting block 241 which can move back and forth is provided on the upper inner wall of the machine body, a rotatable spray main pipe 273 is provided at the bottom of the adjusting block 241, the spray pipes 27 are evenly distributed on the outside of the spray main pipe 273, symmetrically distributed and fixedly connected limit frames 24 are provided on the upper inner wall of the machine body, the adjusting block 241 is slidably connected between the limit frames 24, and a fixedly connected adjusting shaft 242 is provided between the limit frames 24, a reciprocating thread 243 is provided on the adjusting shaft 242, and an adjusting tube 28 which can be rotatably connected and matched with the reciprocating thread 243 is provided on the adjusting shaft 242, a through-type connecting hole 2411 is provided on the adjusting block 241, and the adjusting tube 28 is rotatably connected in the connecting hole 2411.

[0038] The design of the adjusting tube 28, the adjusting shaft 242 and the reciprocating thread 243 enables the adjusting tube 28 to perform periodic reciprocating motion on the adjusting shaft 242 through the rotation of the adjusting tube 28 and the characteristics of the reciprocating thread 243. The adjusting tube 28 is rotatably connected to the adjusting block 241, so that the adjusting tube 28 can drive the adjusting block 241 to perform periodic reciprocating motion on the adjusting shaft 242. The addition of the limit frame 24 can limit the adjusting block 241, effectively preventing the rotation of the adjusting block 241. The adjusting block 241 is connected to the spray main pipe 273. Therefore, the periodic reciprocating motion of the spray pipe 27 in the machine body is realized through the back and forth motion of the adjusting block 241.

[0039] Furthermore, an adjusting groove 2412 is provided on the inner wall of the connecting hole 2411, and an adjusting gear 2415 fixedly connected to the outer side of the adjusting tube 28 is provided in the adjusting groove 2412, and a transmission gear 2413 rotatably connected and meshing with the adjusting gear 2415 is provided on the inner wall of the adjusting groove 2412, a first bevel gear 2416 fixedly connected is provided on the outer side of the transmission gear 2413, and a second bevel gear 2414 rotatably connected and meshing with the first bevel gear 2416 is also provided in the adjusting groove 2412, and a fixedly connected synchronization shaft 274 is provided at the upper end of the spray main pipe 273, and the upper end of the synchronization shaft 274 movably passes through the inner wall of the adjusting groove 2412, and the extending end of the synchronization shaft 274 is fixedly connected to the second bevel gear 2414.

[0040] Among them, a limiting ring groove is provided on the inner wall of the adjusting groove 2412, and a slidingly connected limiting ring plate 281 is provided in the limiting ring groove. The inner wall of the limiting ring plate 281 is fixedly connected to the adjusting tube 28, thereby realizing a rotational connection between the adjusting tube 28 and the adjusting block 241, so that the back and forth movement of the adjusting tube 28 drives the adjusting block 241 to move synchronously. A fixedly connected fixed shaft 2417 is provided on the inner wall of the adjusting groove 2412, and the extending end of the fixed shaft 2417 is rotationally connected to the transmission gear 2413.

[0041] The design of the adjusting gear 2415, the transmission gear 2413, the first bevel gear 2416, the second bevel gear 2414 and the synchronous shaft 274 enables the second bevel gear 2414 to rotate through the synchronous shaft 274 while the main spray pipe 273 rotates, and the first bevel gear 2416 is driven to rotate through meshing transmission, and the transmission gear 2413 is driven to rotate synchronously at the same time, and the adjusting gear 2415 is driven to rotate by meshing transmission, so that the regulating pipe 28 is driven to rotate continuously through the rotation of the main spray pipe 273.

[0042] Reference Figure 2-3 and Figure 6The conveying mechanism includes a conveying pump 251 and a conveying pipe 252. The conveying pump 251 is arranged in the storage box 25, and the conveying pipe 252 is arranged at the output end of the conveying pump 251. The extending end of the conveying pipe 252 is communicated with the spray main pipe 273. A rotatable winding shaft 244 is arranged at one end of the limit frame 24. A guide groove 2441 is arranged inside the winding shaft 244. The extending end of the conveying pipe 252 is fixedly installed on the limit frame 24, and the conveying pipe 252 is communicated with one end of the guide groove 2441. A winding pipe 200 fixedly connected to the winding shaft 244 is arranged The winding tube 20 is connected to the other end of the guide groove 2441, and the winding tube 20 is evenly wound on the winding shaft 244. A rotatably connected connecting ring plate 272 is provided on the outer side of the spray main pipe 273, and a connecting ring groove is provided on the inner side wall of the connecting ring plate 272. A transmission groove connected to the connecting ring groove is provided on the outer side of the spray main pipe 273. The extending end of the winding tube 20 is fixedly connected to the connecting ring plate 272, and the winding tube 20 is connected to the connecting ring groove. A ruler spring is provided between the winding shaft 244 and the limit frame 24 to drive the winding shaft 244 to automatically rotate in the opposite direction and reset.

[0043] The design of the winding shaft 244, the conveying pipe 252, the guide groove 2441, the winding tube 20 and the ruler spring enables the winding tube 20 to automatically wind or unfold when the spray main pipe 273 moves back and forth, effectively preventing the winding tube 20 from being too long and causing a messy placement in the machine body, and preventing the winding tube 20 from being entangled.

[0044] Reference Figure 7 A discharge trough 235 is provided on one side of the discharge port 23, and a discharge plate 232 that can move back and forth and is used to seal the discharge port 23 is provided in the discharge trough 235, and a reflux trough 238 connected to the storage box 25 is provided at the bottom of the discharge trough 235, and a reflux plate 237 that can be rotatably opened and closed is provided in the reflux trough 238.

[0045] The design of the discharge plate 232 and the reflux plate 237 allows the discharge plate 232 to be unfolded to seal the discharge port 23, so that the interior of the machine body is sealed, and a certain amount of liquid can be accumulated inside the machine body, thereby better cleaning the interior of the machine body. The design of the reflux groove 238 and the reflux plate 237 allows the reflux plate 237 to be opened after cleaning is completed, so that the cleaning liquid in the machine body can flow back to the storage box 25, thereby realizing automatic recovery of the liquid.

[0046] Furthermore, a rotating shaft 236 rotatably connected to the reflux groove 238 is provided at one end of the reflux plate 237, and a torsion spring is provided on the rotating shaft 236 for driving the reflux plate 237 to automatically rotate and close. A retractable support rod 2393 is provided at the bottom of the reflux groove 238 for supporting and fixing the bottom of the reflux plate 237.

[0047] The design of the torsion spring enables the elasticity of the torsion spring to drive the return plate 237 to automatically return to its initial position after the liquid is drained, and the design of the support rod 2393 enables the support plate to abut against the bottom of the return plate 237 through the extension of the support rod 2393 after the return plate 237 is closed, thereby fixing the return plate 237 and preventing excessive liquid from causing the return plate 237 to open automatically.

[0048] Furthermore, a fixedly connected buffer rubber pad 231 is provided at the extended end of the discharge plate 232 .

[0049] Furthermore, symmetrically distributed driving grooves 234 are provided on both sides of the discharge groove 235 , and a hydraulic rod 2341 fixedly connected and used for driving the discharge plate 232 to move back and forth is provided in the driving groove 234 .

[0050] Reference Figure 7 A support block 239 is provided at the bottom of the reflux groove 238, and a positioning groove is provided on one side of the support block 239. The support rod 2393 is slidably connected in the positioning groove. A return spring 2392 is provided in the positioning groove and is fixedly connected and used to drive the support rod 2393 to automatically pop out. A connecting groove 2391 connected to the side wall of the discharge groove 235 is also provided on the inner wall of the positioning groove. A connecting piece 233 is provided in the connecting groove 2391, and one end of the connecting piece 233 is connected to the support rod 2393, and the other end of the connecting rod is connected to the discharge plate 232.

[0051] A method for mixing and conveying furfural residue and biomass fuel comprises the following steps:

[0052] S1 places two double screw conveyors 2 along the conveying direction of the conveyor belt 1, feeds the furfural residue raw material into the double screw conveyor 2 near the starting end of the conveyor belt 1, and feeds the biomass fuel into another double screw conveyor;

[0053] S2 starts the conveyor belt 1 to rotate, and then starts the double screw conveyor 2 loaded with furfural residue, so that the furfural residue is conveyed to the discharge port 23 and falls on the conveyor belt 1;

[0054] S3 When the conveyor belt 1 loaded with furfural slag moves to the bottom of the double screw conveyor 2 loaded with biomass fuel, the double screw conveyor 2 is started to evenly spread the biomass fuel on the surface of the furfural slag, so that the biomass fuel and the furfural slag can be evenly mixed according to the proportion, and finally transported to the biomass fluidized bed boiler along the conveyor belt 1 for incineration;

[0055] S4 When the double screw conveyor 2 needs to be cleaned after being used for a period of time, the feed port at the bottom of the feed hopper 22 is closed, and the hydraulic rod 2341 is started at the same time to drive the discharge plate 232 to seal the discharge port 23;

[0056] S5 then starts the delivery pump 251 to deliver the cleaning liquid in the storage box 25 to the delivery pipe 252, enters the guide groove 2441 through the delivery pipe 252, then enters the winding pipe 20, enters the connecting ring groove through the winding pipe 20, then enters the spray main pipe 273, enters the spray pipe 27 through the spray main pipe 273, and finally sprays out in an inclined shape through the spray hole 271. The unique position design of the spray hole 271 and the reaction force generated during spraying can drive the spray pipe 27 and the spray main pipe 273 to rotate continuously in the connecting ring plate 272, so that the spray main pipe 273 can automatically rotate continuously;

[0057] S6 As the spray main pipe 273 rotates, the second bevel gear 2414 is driven to rotate through the transmission of the synchronization shaft 274, and the first bevel gear 2416 is driven to rotate through meshing transmission, and the transmission gear 2413 is driven to rotate synchronously, and the meshing transmission is coupled to drive the adjustment gear 2415 to rotate, so that the adjustment pipe 28 rotates, thereby driving the adjustment pipe 28 to rotate continuously through the rotation of the spray main pipe 273;

[0058] The continuous rotation of the S7 adjusting tube 28 can make the adjusting tube 28 reciprocate periodically on the adjusting shaft 242 through the characteristics of the reciprocating thread 243, so that the spraying tube 27 can rotate and spray in the machine body while also moving back and forth, so as to clean the inside of the machine body more thoroughly;

[0059] S8 When the spray pipe 27 sprays, the spiral conveying auger 26 can also be started. Through the rotation of the spiral conveying auger 26, the spray pipe 27 can clean the spiral conveying auger 26 more thoroughly; as the spray pipe 27 sprays more liquid, the liquid stored in the machine body can immerse the inner wall of the machine body to a certain height, soften the impurities on the inner wall, and after soaking for a certain period of time, the hydraulic rod 2341 is started again to make the discharge plate 232 squeeze the buffer rubber pad 231, so that the discharge plate 232 moves a certain distance. At this time, the connection part 233 is driven by the discharge plate 232 to squeeze and shrink the support rod 2393, and the reflux plate 237 loses the support of the support rod 2393. Under the action of liquid gravity, it automatically flows back to the storage box 25 through the reflux groove 238, thereby realizing the automatic discharge and reflux of the liquid after cleaning.

[0060] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0061] In the present invention, unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0062] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0063] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A system for conveying furfural residue and biomass fuel, comprising a conveyor belt (1), characterized in that: A plurality of double-screw conveyors (2) are arranged on the conveyor belt (1), and the double-screw conveyors (2) include a body, a feed hopper (22) is arranged at the upper end of the body, a double-screw conveying auger (26) is arranged in the body, and a discharge port (23) for laying materials on the conveyor belt (1) is arranged at the bottom of the body, a plurality of rotatable and reciprocating spray pipes (27) are arranged in the body, and spray holes (271) are evenly distributed on the spray pipes (27), and a storage box (25) is arranged at the bottom of the body, and a cleaning liquid is stored in the storage box (25), and a conveying mechanism for conveying the cleaning liquid to the spray pipes (27) is arranged in the storage box (25); An adjusting block (241) that can move back and forth is provided on the upper inner wall of the machine body, a rotatable spray main pipe (273) is provided at the bottom of the adjusting block (241), and the spray pipes (27) are evenly distributed on the outside of the spray main pipe (273); The upper inner wall of the body is provided with symmetrically distributed and fixedly connected limit frames (24); the adjustment block (241) is slidably connected between the limit frames (24); an adjustment shaft (242) is fixedly connected between the limit frames (24); the adjustment shaft (242) is provided with a reciprocating thread (243); the adjustment shaft (242) is provided with an adjustment tube (28) that is rotatable and matched with the reciprocating thread (243); the adjustment block (241) is provided with a through-type connection hole (2411); the adjustment tube (28) is rotatably connected in the connection hole (2411); An adjusting groove (2412) is provided on the inner wall of the connecting hole (2411), an adjusting gear (2415) fixedly connected to the outer side of the adjusting tube (28) is provided in the adjusting groove (2412), a transmission gear (2413) rotatably connected and meshing with the adjusting gear (2415) is provided on the inner wall of the adjusting groove (2412), a first bevel gear (2416) fixedly connected is provided on the outer side of the transmission gear (2413), a second bevel gear (2414) rotatably connected and meshing with the first bevel gear (2416) is also provided in the adjusting groove (2412), a synchronizing shaft (274) fixedly connected is provided at the upper end of the spray main pipe (273), the upper end of the synchronizing shaft (274) movably passes through the inner wall of the adjusting groove (2412), and an extended end of the synchronizing shaft (274) is fixedly connected to the second bevel gear (2414); The delivery mechanism comprises a delivery pump (251) and a delivery pipe (252); the delivery pump (251) is arranged in the storage box (25), and the delivery pipe (252) is provided at the output end of the delivery pump (251); the extended end of the delivery pipe (252) is in communication with the spray main pipe (273); A rotatable winding shaft (244) is provided at one end of the limit frame (24), a guide groove (2441) is provided inside the winding shaft (244), an extended end of the delivery pipe (252) is fixedly mounted on the limit frame (24), and the delivery pipe (252) is communicated with one end of the guide groove (2441), a winding pipe (20) is fixedly connected to the winding shaft (244), and the other end of the winding pipe (20) is connected to the guide groove (2441). The winding tube (20) is evenly wound on the winding shaft (244), a rotatably connected connecting ring plate (272) is provided on the outer side of the spray main pipe (273), a connecting ring groove is provided on the inner side wall of the connecting ring plate (272), a transmission groove connected to the connecting ring groove is provided on the outer side of the spray main pipe (273), an extending end of the winding tube (20) is fixedly connected to the connecting ring plate (272), and the winding tube (20) is connected to the connecting ring groove.

2. The system for mixing and conveying furfural residue and biomass fuel according to claim 1, characterized in that: A ruler spring is provided between the winding shaft (244) and the limiting frame (24) for driving the winding shaft (244) to automatically rotate in the opposite direction and reset.

3. The system for mixing and conveying furfural residue and biomass fuel according to claim 1, characterized in that: A discharge trough (235) is provided on one side of the discharge port (23), a discharge plate (232) which can move back and forth and is used to seal the discharge port (23) is provided in the discharge trough (235), and a reflux trough (238) which is connected to the storage box (25) is provided at the bottom of the discharge trough (235), and a reflux plate (237) which can rotate to open and close is provided in the reflux trough (238).

4. A system for mixing and conveying furfural residue and biomass fuel according to claim 3, characterized in that: A rotating shaft (236) rotatably connected to the reflux groove (238) is provided at one end of the reflux plate (237); a torsion spring for driving the reflux plate (237) to automatically rotate and close is provided on the rotating shaft (236); and a retractable support rod (2393) for supporting and fixing the bottom of the reflux plate (237) is provided at the bottom of the reflux groove (238).

5. A method for mixing and conveying furfural residue and biomass fuel, using a system for mixing and conveying furfural residue and biomass fuel as claimed in any one of claims 1 to 4, characterized in that: The following steps are involved: S1 places two double screw conveyors (2) along the conveying direction of the conveyor belt (1), feeds the furfural residue raw material into the double screw conveyor (2) near the starting end of the conveyor belt (1), and feeds the biomass fuel into another double screw conveyor; S2 starts the conveyor belt (1) to rotate, and then starts the double screw conveyor (2) loaded with furfural residue, so that the furfural residue passes through the conveyor to the discharge port (23) and falls onto the conveyor belt (1); S3 When the conveyor belt (1) loaded with furfural slag moves to the bottom of the double screw conveyor (2) loaded with biomass fuel, the double screw conveyor (2) is started to evenly spread the biomass fuel on the surface of the furfural slag, so that the biomass fuel and the furfural slag can be evenly mixed in proportion, and finally transported to the biomass fluidized bed boiler along the conveyor belt (1) for incineration.

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