Agricultural and forestry waste feeding mechanism for steam boiler
By setting a feeding plate and a spiral plate in the steam boiler feeding mechanism, combined with the reciprocating swing of the connecting rod and the mounting plate, the problem of fuel accumulation is solved, the uniform distribution of fuel is achieved, and the combustion flame coverage area and boiler thermal efficiency are improved.
Patent Information
- Application Number
- CN202520219878.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-12
AI Technical Summary
Existing boiler feeding devices cause fuel accumulation, resulting in a reduced combustion flame coverage area and affecting boiler thermal efficiency.
Design a feeding mechanism for agricultural and forestry waste in a steam boiler. By setting a feeding plate and a spiral plate on the second mounting shaft, combined with the reciprocating swing of the connecting rod and the mounting plate, the fuel can be evenly spread and dispersed, avoiding accumulation.
It increases the flame coverage area of the fuel combustion, ensures uniform fuel distribution, and improves the boiler's thermal efficiency and combustion effect.
Smart Images

Figure CN223677819U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a steam boiler technical field, concretely is a kind of steam boiler and uses agricultural and forestry waste feeding mechanism. BACKGROUND
[0002] Boiler is a kind of energy conversion equipment, the energy input to boiler has chemical energy in fuel, electric energy, boiler exports have certain heat energy steam, high-temperature water or organic heat carrier, hot water or steam generated in boiler can directly provide required heat energy for industrial production and people's life, also can pass through steam power device conversion mechanical energy, or again through generator converts mechanical energy into electric energy, and boiler needs to use fuel to carry out combustion conversion energy when working, and the fuel of prior art is mostly coal or biomass fuel, biomass fuel refers to burning biomass material as fuel, generally mainly is agricultural and forestry waste, biomass briquette fuel is to use agricultural and forestry waste as raw material, after crushing, mixing, extruding, drying etc. Process, make various shaped, a kind of new clean fuel that can be directly combusted, and when boiler produces, due to the limited space of boiler combustion chamber, it needs to add fuel to the inside of boiler constantly when processing for a long time.
[0003] Announcement No. CN213140337U discloses a kind of coal-fired boiler self-feeding structure, the feeding device is moved by transmission belt and drives combustion material, to realize feeding, but in actual use, the feeding device described above uses conveying device to fixed-point fuel conveying, then it is easy to cause fuel conveying accumulation, so that fuel combustion flame coverage area reduces, in turn, cause the material in boiler to be heated slowly.
[0004] Based on this, now provide a kind of steam boiler and uses agricultural and forestry waste feeding mechanism, can eliminate the drawbacks of existing device. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of steam boiler and uses agricultural and forestry waste feeding mechanism, to solve the problem that fuel is easy to accumulate in background art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] The utility model provides an agricultural and forestry waste feeding mechanism for steam boiler, including the mounting panel, the first support plate is symmetrically hinged to the bottom end one side of mounting panel, the first support plate is all fixedly arranged on the upper end of bottom plate, the side plate is symmetrically arranged on the upper end of mounting panel, the mounting panel and two side plates combination into the material discharging groove, the material collecting box is arranged at one end of two side plates, the rubber tube is symmetrically connected to the upper end of material collecting box, the connecting head is connected to one end of rubber tube, the second mounting shaft is rotatably arranged between the other end of two side plates, the second mounting shaft is equipped with the material discharging component for discharging fuel, the fixed seat is symmetrically arranged on the bottom end of mounting panel, the connecting rod is hingedly arranged on the fixed seat, the other end of connecting rod is equipped with the swing component for adjusting the material discharging angle of mounting panel.
[0008] On the basis of the above technical scheme, the utility model further provides the following optional technical schemes:
[0009] In an alternative scheme: the material discharging component includes a plurality of poking plates arranged in a circular array on the second mounting shaft, a first sprocket is fixedly arranged on one end of the second mounting shaft, the first sprocket is in transmission connection with a second sprocket through a transmission chain, the second sprocket is fixedly arranged on one end of a first mounting shaft, the first mounting shaft is rotatably arranged between the two side plates, a first bevel gear is fixedly arranged on the other end of the first mounting shaft, a second bevel gear is meshingly arranged on the first bevel gear, the second bevel gear is fixedly arranged on the output end of a first motor, and the first motor is fixedly arranged on one side of one side plate.
[0010] In an alternative scheme: a plurality of spiral plates are symmetrically arranged on the first mounting shaft, a plurality of partition plates are arranged at positions corresponding to one side of the spiral plates on the upper end of the mounting panel, and the plurality of partition plates are arranged in an equidistant array.
[0011] In an alternative scheme: a sealing cover is fixedly arranged between the upper ends of the two side plates.
[0012] In an alternative scheme: the swing component includes a rotating joint, the rotating joint is rotatably arranged on the other end of the connecting rod, a mounting disc is tightly arranged on one end of the rotating joint, the two mounting discs are fixedly arranged on the two ends of a third mounting shaft, a second support plate is rotatably arranged on the third mounting shaft, the second support plate is fixedly arranged on the upper end of the bottom plate, the rotating joint and the mounting disc are fixedly connected through a limiting rod, a nut is arranged on one end of the limiting rod, a first gear is fixedly arranged on the third mounting shaft, a second gear is meshingly arranged on the first gear, the second gear is fixedly arranged on a second motor, the second motor is fixedly arranged on the upper end of the support plate, and the support plate is fixedly arranged between the two second support plates.
[0013] In an alternative scheme: a plurality of first adjusting grooves are arranged on the mounting disc, and a plurality of second adjusting grooves are arranged on the connecting rod.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] The utility model discloses a plurality of poking plates are fixedly arranged on the second mounting shaft, when adding fuel to the steam boiler, the distance of fuel discharge can be increased, and the mounting plate is driven to reciprocate through the cooperation of the connecting rod and the mounting disc, so that fuel conveying and accumulation can be effectively avoided, the fuel can be uniformly laid in the steam boiler, the fuel combustion flame coverage area is effectively improved, the fuel can be uniformly dispersed through the spiral plate and the partition plate, the uniformity of the poking plate discharge is improved, and the practicability of the agricultural and forestry waste feeding mechanism is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the structural schematic diagram of the utility model.
[0017] Figure 2 It is the spiral plate structure schematic diagram of the utility model.
[0018] Figure 3 It is the poking plate structure schematic diagram of the utility model.
[0019] Figure 4 It is the connecting rod structure schematic diagram of the utility model.
[0020] Figure 5 It is the limiting rod structure schematic diagram of the utility model.
[0021] Mark annotation: 11 mounting plate, 12 side plate, 13 material collecting box, 14 sealing cover, 15 rubber pipe, 16 connecting head, 17 spiral plate, 18 first mounting shaft, 19 partition plate, 20 poking plate, 21 second mounting shaft, 22 transmission chain, 23 first motor, 24 first support plate, 25 bottom plate, 26 connecting rod, 27 rotating joint, 28 limiting rod, 29 mounting disc, 30 third mounting shaft, 31 second support plate, 32 second motor. DETAILED DESCRIPTION
[0022] In order to make the utility model's purpose, technical scheme and advantage more clearly clear, the following is combined with the embodiment, and the utility model is further detailed.
[0023] In one embodiment, as Figures 1-5As shown, a kind of steam boiler with agricultural and forestry waste feeding mechanism, including mounting plate 11, the first support plate 24 is symmetrically hinged at the bottom end of the mounting plate 11, the first support plate 24 is fixed on the bottom plate 25 upper end, the mounting plate 11 upper end is symmetrically provided with side plate 12, the mounting plate 11 and two side plates 12 are combined into discharge chute, two side plates 12 one end is provided with material collecting box 13, the rubber tube 15 is communicated and arranged on the upper end of the material collecting box 13, the connecting head 16 is communicated and arranged at one end of the rubber tube 15, the second mounting shaft 21 is rotatably arranged between the other end of two side plates 12, the second mounting shaft 21 is provided with a fuel discharge component for discharging fuel, the mounting plate 11 bottom end is symmetrically provided with fixed seat, the connecting rod 26 is hingedly arranged on the fixed seat, the other end of the connecting rod 26 is provided with a swing component for adjusting the discharge angle of the mounting plate 11, the fuel in the discharge chute is conveniently discharged into the boiler for combustion by the discharge component, the working angle of one end of the discharge chute is conveniently adjusted by the swing component, so that the fuel is uniformly distributed in the boiler combustion chamber.
[0024] The discharge component includes a plurality of raking plates 20 arranged in a circular array on the second mounting shaft 21, a first sprocket is fixedly arranged on the rotating shaft of one end of the second mounting shaft 21, the first sprocket is in transmission connection with a second sprocket through a transmission chain 22, the second sprocket is fixedly arranged on one end of a first mounting shaft 18, the first mounting shaft 18 is rotatably arranged between two side plates 12, a first bevel gear is fixedly arranged on the other end of the first mounting shaft 18, a second bevel gear is meshingly arranged on the first bevel gear, the second bevel gear is fixedly arranged on the output end of a first motor 23, the first motor 23 is fixedly arranged on one side of one side plate 12, when in use, the biomass fuel made of agricultural and forestry waste is added to the steam boiler for combustion, so that the connecting head 16 is in communication with the output end of the external feeding component, then the external feeding component adds fuel to the inside of the material collecting box 13, because the mounting plate 11 is inclinedly arranged, the fuel moves to the position of the second mounting shaft 21, at the same time, the first motor 23 is started, the second bevel gear on the output end of the first motor 23 meshes with the first bevel gear to drive the first mounting shaft 18 to rotate, the first mounting shaft 18 drives the second mounting shaft 21 to rotate through the transmission chain 22, the second mounting shaft 21 drives a plurality of raking plates 20 to rotate, so as to accelerate the speed of fuel discharge, thereby increasing the distance of fuel discharge, it is worth noting that the transmission chain 22 in the present application is an existing component, and the remaining components used in cooperation with it can be installed according to actual use, which will not be described here.
[0025] The first mounting shaft 18 is symmetrically provided with a spiral plate 17, and the mounting plate 11 is provided with a plurality of partition plates 19 at the position corresponding to one side of the spiral plate 17. The plurality of partition plates 19 are arranged at equal intervals. When the fuel enters the inside of the discharge chute, the first mounting shaft 18 drives the two spiral plates 17 to rotate, and the two spiral plates 17 uniformly spread the accumulated fuel, and then the fuel enters between the two partition plates 19, so that the fuel can be uniformly discharged by the raking plate 20.
[0026] The upper ends of the two side plates 12 are fixedly provided with a sealing cover 14, which facilitates sealing of the discharge chute, thereby reducing dust pollution.
[0027] The swinging component comprises a rotating joint 27, the other end of the connecting rod 26 is rotatably provided with a rotating joint 27, one end of the rotating joint 27 is tightly provided with a mounting disc 29, the two mounting discs 29 are fixedly arranged at the two ends of a third mounting shaft 30, the third mounting shaft 30 is rotatably provided with a second supporting plate 31 on the upper end of the bottom plate 25, the rotating joint 27 and the mounting disc 29 are fixedly connected through a limiting rod 28, one end of the limiting rod 28 is matched with a nut, the third mounting shaft 30 is fixedly provided with a first gear, the first gear is meshed with a second gear, the second gear is fixedly arranged on a second motor 32, the second motor 32 is fixedly arranged on the upper end of a supporting plate, the supporting plate is fixedly arranged between the two second supporting plates 31, when the raking plate 20 discharges the fuel, the second motor 32 is started, the output end of the second motor 32 drives the third mounting shaft 30 to rotate through the cooperation of the second gear and the first gear, the third mounting shaft 30 drives the two mounting discs 29 to rotate, the mounting disc 29 drives the mounting plate 11 to reciprocate through the limiting rod 28 and the connecting rod 26, so as to change the discharge angle of the discharge chute, and further change the discharge position.
[0028] The mounting disc 29 is provided with a plurality of first adjusting grooves, and the connecting rod 26 is provided with a plurality of second adjusting grooves, which facilitates changing the swinging amplitude of the mounting plate 11 according to actual use.
[0029] The above-mentioned embodiment discloses a biomass fuel feeding mechanism for steam boiler, wherein the biomass fuel made of agricultural and forestry wastes is added into the steam boiler for combustion, the connecting head 16 is communicated with the output end of the external feeding component, then the external feeding component adds the fuel into the inside of the collecting box 13, since the installation plate 11 is arranged in an inclined mode, after the fuel enters into the inside of the discharging groove, the first installation shaft 18 drives the two spiral plates 17 to rotate, the two spiral plates 17 uniformly spread the accumulated fuel, then the fuel enters between the two partition plates 19, at the same time, the first motor 23 is started, the second bevel gear at the output end of the first motor 23 is engaged with the first bevel gear to drive the first installation shaft 18 to rotate, the first installation shaft 18 drives the second installation shaft 21 to rotate through the transmission chain 22, the second installation shaft 21 drives the plurality of raking plates 20 to rotate, so that the fuel discharging speed is accelerated, thereby increasing the fuel discharging distance, when the raking plates 20 discharge the fuel, the second motor 32 is started, the third installation shaft 30 is driven to rotate through the second gear at the output end of the second motor 32 and the first gear, the third installation shaft 30 drives the two installation discs 29 to rotate, the installation discs 29 drive the installation plate 11 to reciprocating swing through the limiting rods 28 and the connecting rods 26, so that the discharging angle of the discharging groove is changed, thereby changing the discharging position.
[0030] The above-mentioned embodiment discloses a biomass fuel feeding mechanism for steam boiler, wherein the biomass fuel made of agricultural and forestry wastes is added into the steam boiler for combustion, the connecting head 16 is communicated with the output end of the external feeding component, then the external feeding component adds the fuel into the inside of the collecting box 13, since the installation plate 11 is arranged in an inclined mode, after the fuel enters into the inside of the discharging groove, the first installation shaft 18 drives the two spiral plates 17 to rotate, the two spiral plates 17 uniformly spread the accumulated fuel, then the fuel enters between the two partition plates 19, at the same time, the first motor 23 is started, the second bevel gear at the output end of the first motor 23 is engaged with the first bevel gear to drive the first installation shaft 18 to rotate, the first installation shaft 18 drives the second installation shaft 21 to rotate through the transmission chain 22, the second installation shaft 21 drives the plurality of raking plates 20 to rotate, so that the fuel discharging speed is accelerated, thereby increasing the fuel discharging distance, when the raking plates 20 discharge the fuel, the second motor 32 is started, the third installation shaft 30 is driven to rotate through the second gear at the output end of the second motor 32 and the first gear, the third installation shaft 30 drives the two installation discs 29 to rotate, the installation discs 29 drive the installation plate 11 to reciprocating swing through the limiting rods 28 and the connecting rods 26, so that the discharging angle of the discharging groove is changed, thereby changing the discharging position.
Claims
1. An agricultural and forestry waste feeding mechanism for steam boilers, comprising a mounting plate (11), a first support plate (24) is symmetrically hinged at one side of the bottom end of the mounting plate (11), the first support plate (24) is fixed at the upper end of the bottom plate (25), a side plate (12) is symmetrically arranged at the upper end of the mounting plate (11), and the mounting plate (11) and the two side plates (12) are combined into a discharging chute, characterized in that, Two side plates (12) are provided with a collecting box (13) at one end, the upper end of the collecting box (13) is communicated with a rubber pipe (15), one end of the rubber pipe (15) is communicated with a connecting head (16), a second mounting shaft (21) is rotatably arranged between the other ends of the two side plates (12), the second mounting shaft (21) is provided with a discharging component for discharging fuel, the bottom end of the mounting plate (11) is symmetrically provided with a fixing seat, a connecting rod (26) is hingedly arranged on the fixing seat, the other end of the connecting rod (26) is provided with a swing component for adjusting the discharging angle of the mounting plate (11).
2. A mechanism for feeding agroforestry waste to a steam boiler as claimed in claim 1, wherein, The discharging component comprises a stirring plate (20), a plurality of the stirring plates (20) are arranged in a circular array on the second mounting shaft (21), a first sprocket is fixedly arranged on the rotating shaft at one end of the second mounting shaft (21), the first sprocket is in transmission connection with a second sprocket through a transmission chain (22), the second sprocket is fixedly arranged at one end of a first mounting shaft (18), the first mounting shaft (18) is rotatably arranged between the two side plates (12), a first bevel gear is fixedly arranged at the other end of the first mounting shaft (18), a second bevel gear is meshingly arranged on the first bevel gear, the second bevel gear is fixedly arranged on the output end of a first motor (23), and the first motor (23) is fixedly arranged on one side of one side plate (12).
3. A mechanism for feeding agroforestry waste to a steam boiler as claimed in claim 2, wherein, Symmetrical helical plates (17) are arranged on the first mounting shaft (18), a plurality of partition plates (19) are arranged on the mounting plate (11) in correspondence with the positions of one side of the helical plates (17), and the plurality of partition plates (19) are arranged in an equidistant array.
4. The agroforestry waste feeding mechanism for steam boilers as claimed in claim 1 wherein, A sealing cover (14) is fixedly arranged between the upper ends of the two side plates (12).
5. The agroforestry waste feeding mechanism for steam boilers as claimed in claim 1 wherein, The swing component comprises a rotating joint (27), the other end of the connecting rod (26) is rotatably provided with a rotating joint (27), one end of the rotating joint (27) is tightly arranged with a mounting disc (29), the two mounting discs (29) are fixedly arranged at the two ends of a third mounting shaft (30), symmetrical second supporting plates (31) are rotatably arranged on the third mounting shaft (30), the second supporting plates (31) are fixedly arranged on the upper end of a bottom plate (25), the rotating joint (27) and the mounting disc (29) are fixedly connected through a limiting rod (28), one end of the limiting rod (28) is matched with a nut, a first gear is fixedly arranged on the third mounting shaft (30), a second gear is meshingly arranged on the first gear, the second gear is fixedly arranged on a second motor (32), the second motor (32) is fixedly arranged on the upper end of a supporting plate, and the supporting plate is fixedly arranged between the two second supporting plates (31).
6. A biomass charging mechanism for steam boilers as claimed in claim 5 wherein, A plurality of first adjusting grooves are arranged on the mounting disc (29), and a plurality of second adjusting grooves are arranged on the connecting rod (26).
Citation Information
Patent Citations
Self-feeding structure of coal-fired boiler
CN213140337U