Biogas residue pyrolysis device

Abstract

The utility model relates to the technical field of biogas residue treatment, and discloses a biogas residue pyrolysis device which comprises a pyrolysis furnace, and a plurality of layers of stirring mechanisms are arranged in the pyrolysis furnace; the multi-layer stirring mechanism comprises two fixing rings, a protection box, a first motor and three second gears, the two fixing rings are fixedly connected to the upper side and the lower side of the interior of the top of the pyrolyzing furnace, rack rings are fixedly connected to the inner side walls of the two fixing rings, and the bottom wall of the protection box is fixedly connected to the upper side wall of the top fixing ring. Through the arrangement of the multi-layer stirring mechanism, the problems that internal biogas residues are difficult to expose in a high-temperature environment, and the processing capacity and the production efficiency of the device are reduced can be solved, and the connecting rod in each second gear moves along with the second gear, so that the pyrolysis efficiency is effectively improved, the pyrolysis time is shortened, and the energy consumption is reduced. The treatment capacity of the device is improved, and equipment damage and maintenance cost caused by coking are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of biogas residue treatment, particularly relates to a biogas residue pyrolysis device. BACKGROUND

[0002] The biogas residue can generate biochar under the high-temperature and oxygen-deficient pyrolysis in the pyrolysis device. The biochar has rich pore structure and large specific surface area, and can be used for soil improvement, increase soil fertility, improve soil structure, improve soil water and fertilizer conservation capacity, help promote plant growth, and generate bio-oil in the pyrolysis process. The bio-oil is a complex organic mixture, and can be used as fuel after further treatment, and can be used for chemical raw material production, such as extraction of phenols, esters and other compounds for production of resin, paint and perfume.

[0003] When the biogas residue is treated, the biogas residue can be accumulated into layers in the pyrolysis furnace, resulting in uneven heat transfer. The upper layer of biogas residue can be excessively heated due to the close distance from the heating source, and the lower layer of biogas residue can not be sufficiently pyrolyzed due to the difficulty of heat transfer, affecting the quality and yield of pyrolysis products. Therefore, the internal biogas residue is difficult to be exposed to a high-temperature environment, the reaction rate is slowed down, the overall pyrolysis time is prolonged, the processing capacity and production efficiency of the device are reduced, the device is overloaded, the risk of equipment damage is increased, the storage efficiency and safety are affected, the production efficiency is reduced, and the equipment wear and failure probability are increased. UTILITARIAN CONTENT

[0004] The main purpose of the utility model is to provide a biogas residue pyrolysis device, which can effectively solve the problems that the internal biogas residue is difficult to be exposed to a high-temperature environment, the reaction rate is slowed down, the overall pyrolysis time is prolonged, the processing capacity and production efficiency of the device are reduced, the device is overloaded, the risk of equipment damage is increased, the storage efficiency and safety are affected, the production efficiency is reduced, and the equipment wear and failure probability are increased.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a biogas residue pyrolysis device, comprising a pyrolysis furnace, a plurality of stirring mechanisms are arranged in the pyrolysis furnace.

[0006] The multilayer stirring mechanism comprises two fixed rings, a protection box, a first motor and three second gears, the two fixed rings are fixedly connected to the top inside of the pyrolysis furnace on the upper and lower sides, the inner side wall of the two fixed rings is fixedly connected with a rack ring, the bottom wall of the protection box is fixedly connected to the upper side wall of the top fixed ring, the bottom wall of the first motor is fixedly connected to the inner bottom wall of the protection box, the output end of the first motor is fixedly connected with a rotating rod, the top end outer side of the rotating rod is fixedly connected with a first gear, the outer side of the first gear is engaged with three second gears, the outer sides of the three second gears are engaged with the inside of the rack ring, and the inside of the three second gears is fixedly connected with a connecting rod.

[0007] Further, the outer side of each connecting rod is fixedly connected with three stirring rods, the bottom end outer side of the rotating rod is fixedly connected with a sleeve, the bottom wall front and rear walls of the sleeve are fixedly connected with connecting blocks, the inner side walls of the two connecting blocks are threadedly connected with anchor stirrers.

[0008] Further, the front side wall of the pyrolysis furnace is connected with a feeding hopper, the bottom of the pyrolysis furnace is fixedly connected with a support frame, the right side wall of the pyrolysis furnace is fixedly connected with a control panel, and the rear side wall of the pyrolysis furnace is fixedly connected with a heating chamber.

[0009] Further, the front side wall of the heating chamber is fixedly connected with a flow divider, the rear side wall bottom of the pyrolysis furnace is fixedly connected with a heat transfer plate, the heat transfer plate is arranged in front of the flow divider, and the bottom of the pyrolysis furnace is connected with a discharge square tube.

[0010] Further, the right side wall of the pyrolysis furnace is fixedly connected with a support plate, the right side inside of the support plate is provided with a guide rail groove, the right side top of the support plate is provided with a second motor, and the top of the pyrolysis furnace is fixedly connected with a support block.

[0011] Further, the right side bottom of the support plate is fixedly connected with a bottom block, the output end of the second motor is fixedly connected with a lead screw, the bottom end of the lead screw is rotatably connected to the inside of the bottom block, and the outer side of the lead screw is slidably connected with a threaded sliding block.

[0012] Further, the left side of the threaded sliding block is slidably connected in the inside of the guide rail groove, the right side wall of the threaded sliding block is fixedly connected with a first hinged frame, the right side inside of the first hinged frame is rotatably connected with a support rod, and the bottom outer side of the support rod is rotatably connected with a second hinged frame.

[0013] Further, the bottom wall of the second hinged frame is fixedly connected with a connecting plate, a part of the outer side of the left side of the connecting plate is arranged in the inside of the support block, the left side wall of the connecting plate is fixedly connected with a baffle, and the outer side of the baffle is slidably connected in the inside of the discharge square tube.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1, the utility model discloses a multilayer stirring mechanism is set up, can solve the problem of the internal sludge of biogas difficult exposure in high temperature environment, the reaction rate will slow down, the overall pyrolysis time extension, reduce the processing capacity and production efficiency of device, with every second gear inside connecting rod with second gear movement, its outside three stirring rods make complex circumferential and rotation movement in pyrolysis furnace, realize the stirring of sludge in horizontal direction.

[0016] 2, through the support plate, second motor, screw rod, first hinged frame, support block and baffle that set up, can solve the problem of causing equipment overload operation, increase the risk of equipment damage, influence storage efficiency and safety, reduce production efficiency, increase equipment wear and failure probability, through the connecting plate of second hinged frame bottom wall is linked with baffle, when the threaded slide block slides up, the connecting plate drives the baffle to move up, opens the inside of the discharge square tube, and the product after pyrolysis can be discharged from the discharge square tube, when the threaded slide block slides down, the baffle moves down, closes the discharge square tube, stops discharging, can accurately control the discharging process, thereby effectively reducing the situation of frequent adjustment due to the fluctuation of discharging amount, improving production efficiency, reducing production delay and stagnation phenomenon.

[0017] The part not involved in the device is the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A three-dimensional structure diagram of a sludge pyrolysis device is provided for the utility model;

[0019] Figure 2 An internal sectional view structure diagram of a sludge pyrolysis device is provided for the utility model;

[0020] Figure 3 A multilayer stirring mechanism structure diagram of a sludge pyrolysis device is provided for the utility model;

[0021] Figure 4 A first gear structure diagram of a sludge pyrolysis device is provided for the utility model;

[0022] Figure 5 A stirring rod structure diagram of a sludge pyrolysis device is provided for the utility model;

[0023] Figure 6 A support plate structure diagram of a biogas residue pyrolysis device is provided in the utility model.

[0024] Figure 7 A support rod schematic diagram of a biogas residue pyrolysis device is provided in the utility model.

[0025] Legend:

[0026] 1, pyrolysis furnace;2, multi-layer stirring mechanism;201, fixed ring;202, rack ring;203, protection box;204, first motor;205, rotating rod;206, first gear;207, second gear;208, connecting rod;209, stirring rod;210, sleeve;211, connecting block;212, anchor stirrer;3, feeding hopper;4, support frame;5, control panel;6, heating chamber;7, flow divider;8, heat transfer plate;9, discharge square tube;10, support plate;11, guide rail groove;12, second motor;13, bottom block;14, screw rod;15, threaded sliding block;16, first hinged frame;17, support rod;18, second hinged frame;19, connecting plate;20, support block;21, baffle. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0028] As shown in Figure 1 - Figure 5 A biogas residue pyrolysis device, comprising a pyrolysis furnace 1, the inside of the pyrolysis furnace 1 is provided with a multi-layer stirring mechanism 2.

[0029] The multi-layer stirring mechanism 2 comprises two fixed rings 201, a protection box 203, a first motor 204 and three second gears 207, the two fixed rings 201 are fixedly connected to the top inside of the pyrolysis furnace 1 on the upper and lower sides, the inner side wall of the two fixed rings 201 is fixedly connected with a rack ring 202, by fixing the fixed ring 201 in the top wall inside of the pyrolysis furnace 1, the inside rack ring 202 is supported and fixed, to prevent the rack ring 202 from being driven by the inside device.

[0030] The bottom wall of the protection box 203 is fixedly connected to the upper side wall of the top fixed ring 201, the bottom wall of the first motor 204 is fixedly connected to the inside bottom wall of the protection box 203, by fixing the protection box 203 on the upper side wall of the top fixed ring 201, the outside of the inside first motor 204 is protected, and the first motor 204 is fixed on the top of the pyrolysis furnace 1.

[0031] The output end of the first motor 204 is fixedly connected with a rotating rod 205, the top end outer side of the rotating rod 205 is fixedly connected with a first gear 206, the outer side of the first gear 206 is engaged with three second gears 207, the outer sides of the three second gears 207 are engaged with the inside of the rack ring 202, after the first motor 204 is started, the output end of the first motor 204 drives the rotating rod 205 to rotate in the inside of the pyrolysis furnace 1, the first gear 206 on the top end of the rotating rod 205 rotates synchronously, and drives the three second gears 207 to move in a circle in the inside of the rack ring 202 through the engagement of the first gear 206 with the outer side of the three second gears 207.

[0032] The inside of each of the three second gears 207 is fixedly connected with a connecting rod 208, the outer side of each connecting rod 208 is fixedly connected with three stirring rods 209, the connecting rod 208 in the second gear 207 is connected with the stirring rod 209, when the second gear 207 is driven, the connecting rod 208 rotates around the outer side of the rotating rod 205, and drives the stirring rod 209 to stir the biogas residue at the middle and top positions in the inside of the pyrolysis furnace 1, to turn over the biogas residue, so that the biogas residue can be heated uniformly.

[0033] The bottom end outer side of the rotating rod 205 is fixedly connected with a sleeve 210, the bottom wall front and back two side walls of the sleeve 210 are fixedly connected with connecting blocks 211, the inner side walls of the two connecting blocks 211 are threadedly connected with anchor stirrers 212, the sleeve 210 at the bottom end of the rotating rod 205 and the connecting blocks 211 are connected with the anchor stirrers 212, and when the rotating rod 205 is driven, the anchor stirrers 212 at the bottom also rotate synchronously, to stir the biogas residue at the bottom of the pyrolysis furnace 1, the anchor stirrers 212 stir in the vertical direction, further enhancing the stirring effect of the biogas residue, and the anchor stirrers 212 and the stirring rods 209 make the biogas residue at different heights fully mixed.

[0034] In addition, when the anchor stirrer 212 needs to be replaced with a different stirrer, first loosen the bolts on the connecting blocks 211, and then the anchor stirrer 212 can be disassembled, and a new anchor stirrer 212 and a different stirrer can be installed.

[0035] As shown in Figure 1 - Figure 2 The front side wall of the pyrolysis furnace 1 is connected with a feed hopper 3, the bottom of the pyrolysis furnace 1 is fixedly connected with a support frame 4, the biogas residue is poured into the inside of the pyrolysis furnace 1 through the feed hopper 3 at the front side of the pyrolysis furnace 1, and the entire device is supported at the bottom by the support frame 4.

[0036] The right side wall of the pyrolysis furnace 1 is fixedly connected with a control panel 5, the rear side wall of the pyrolysis furnace 1 is fixedly connected with a heating chamber 6, the front side wall of the heating chamber 6 is fixedly connected with a flow dividing plate 7, the bottom of the rear side wall of the pyrolysis furnace 1 is fixedly connected with a heat transfer plate 8, the heat transfer plate 8 is arranged at the front side of the flow dividing plate 7, and the heating chamber 6 at the rear side wall of the pyrolysis furnace 1 starts to work to generate high-temperature heat. The heat is transmitted forward to the flow dividing plate 7, and the flow dividing plate 7 can uniformly disperse the heat to avoid local temperature being too high or too low. The dispersed heat is further conducted to the inside of the pyrolysis furnace 1 through the heat transfer plate 8, so that the temperature in the pyrolysis furnace 1 is increased to provide a suitable high-temperature environment for pyrolysis of the biogas residue. The operating personnel can accurately control the heating process through the control panel 5, such as setting the heating temperature, heating time and the like. The bottom of the pyrolysis furnace 1 is connected with a discharge square tube 9.

[0037] As shown in Figure 1 - Figure 6 The right side wall of the pyrolysis furnace 1 is fixedly connected with a support plate 10, the right side inner part of the support plate 10 is provided with a guide rail groove 11, the right side top of the support plate 10 is provided with a second motor 12, the top of the pyrolysis furnace 1 is fixedly connected with a support block 20, the right side bottom of the support plate 10 is fixedly connected with a bottom block 13, the output end of the second motor 12 is fixedly connected with a lead screw 14, the bottom end of the lead screw 14 is rotatably connected in the inner part of the bottom block 13, the outer side of the lead screw 14 is slidably connected with a threaded sliding block 15, the right side top of the support plate 10 is installed through the second motor 12 to support and fix the second motor 12, when the second motor 12 starts to work, the lead screw 14 at the output end of the second motor 12 rotates in the inner part of the top of the bottom block 13, when the lead screw 14 rotates, the threaded sliding block 15 at the outer side of the lead screw 14 is engaged with the inner part of the lead screw 14 to drive the threaded sliding block 15 to slide up and down at the outer side of the lead screw 14.

[0038] As shown in Figure 1 - Figure 7 The left side of the threaded sliding block 15 is slidably connected in the inner part of the guide rail groove 11, and the right side wall of the threaded sliding block 15 is fixedly connected with a first hinged frame 16. The left side of the threaded sliding block 15 slides in the inner part of the guide rail groove 11, which can provide stable and balanced sliding effect for the threaded sliding block 15, and can limit the area of the threaded sliding block 15 to prevent the threaded sliding block 15 from sliding excessively and causing damage to the device.

[0039] The right inner part of the first hinged frame 16 is rotationally connected with a supporting rod 17, the bottom outer side of the supporting rod 17 is rotationally connected with a second hinged frame 18, the bottom wall of the second hinged frame 18 is fixedly connected with a connecting plate 19, the first hinged frame 16 on the right side of the threaded sliding block 15 is connected with the supporting rod 17, and the supporting rod 17 is rotationally connected with the second hinged frame 18 at the bottom, so as to achieve the effect of the connecting rod principle, the first hinged frame 16 transmits the linear motion of the threaded sliding block 15 to the supporting rod 17, and the supporting rod 17 transmits the motion to the connecting plate 19 through the second hinged frame 18.

[0040] A part of the left side of the connecting plate 19 is arranged in the inner part of the supporting block 20, the left side wall of the connecting plate 19 is fixedly connected with a baffle 21, the outer side of the baffle 21 is slidingly connected in the inner part of the discharging square tube 9, the bottom of the second hinged frame 18 is connected with the connecting plate 19, and a part of the left side of the connecting plate 19 is arranged in the inner part of the supporting block 20, so as to support the connecting plate 19, and the left side wall of the connecting plate 19 is connected with the baffle 21, so that when the threaded sliding block 15 slides upward, the connecting plate 19 drives the baffle 21 to move upward, the inner part of the discharging square tube 9 is opened, and the products after pyrolysis can be discharged from the discharging square tube 9; when the threaded sliding block 15 slides downward, the baffle 21 moves downward, the discharging square tube 9 is closed, and the discharging process can be accurately controlled.

[0041] It should be noted that the utility model is a kind of biogas residue pyrolysis device, first, first motor 204, second motor 12, control panel 5 are connected with external power supply to power supply to device.

[0042] The first motor 204 in the multilayer stirring mechanism 2 is started, the motor is installed in the protection box 203, and the protection box 203 is fixed to the top fixed ring 201 on the side wall.The output end of the first motor 204 drives the rotating rod 205 to rotate, and the first gear 206 at the top end of the rotating rod 205 rotates accordingly.The first gear 206 is engaged with the three second gears 207, driving the second gears 207 to rotate around their own axes.Due to the engagement of the outer side of the second gear 207 with the rack ring 202 fixed on the inner side wall of the two fixed rings 201, the second gear 207 also makes a circular motion along the rack ring 202.

[0043] The connecting rod 208 in each second gear 207 moves with the second gear 207, and the three stirring rods 209 on the outer side of the connecting rod 208 make a complex circular and rotation motion in the pyrolysis furnace 1, realizing the stirring of biogas residue in the horizontal direction.At the same time, the sleeve 210 at the bottom end of the rotating rod 205 and the connecting block 211 drive the anchor stirrer 212 to rotate, and the biogas residue is stirred in the vertical direction.Through horizontal and vertical stirring, the biogas residue can be fully mixed and fully contacted with the high-temperature environment in the pyrolysis furnace 1, so that the pyrolysis reaction is more sufficient and uniform.

[0044] When the biogas residue pyrolysis is completed, the discharging operation needs to be carried out. The second motor 12 at the right top of the supporting plate 10 is started, and the output end drives the screw rod 14 to rotate. The threaded sliding block 15 outside the screw rod 14 slides up and down along the guide groove 11 under the action of the screw rod 14 rotation. The first hinged frame 16 at the right side of the threaded sliding block 15 moves, and drives the second hinged frame 18 to move through the supporting rod 17. The connecting plate 19 at the bottom wall of the second hinged frame 18 is connected with the baffle 21. When the threaded sliding block 15 slides up, the connecting plate 19 drives the baffle 21 to move up, opens the inside of the discharging square tube 9, and the pyrolysis product can be discharged from the discharging square tube 9; when the threaded sliding block 15 slides down, the baffle 21 moves down, closes the discharging square tube 9, and stops discharging, so that the discharging process can be accurately controlled.

[0045] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and the utility model will have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A biogas residue pyrolysis apparatus comprising a pyrolysis furnace (1), characterized in that: The pyrolysis furnace (1) is internally provided with a multi-layer stirring mechanism (2); The multi-layer stirring mechanism (2) comprises two fixed rings (201), a protection box (203), a first motor (204) and three second gears (207), the two fixed rings (201) are fixedly connected to the top inside of the pyrolysis furnace (1) and are arranged on the upper and lower sides, the inner side walls of the two fixed rings (201) are fixedly connected with a rack ring (202), the bottom wall of the protection box (203) is fixedly connected to the upper side wall of the top fixed ring (201), the bottom wall of the first motor (204) is fixedly connected to the inner bottom wall of the protection box (203), the output end of the first motor (204) is fixedly connected with a rotating rod (205), the top end outer side of the rotating rod (205) is fixedly connected with a first gear (206), the outer side of the first gear (206) is engaged with the three second gears (207), the outer sides of the three second gears (207) are engaged with the inside of the rack ring (202), and the insides of the three second gears (207) are all fixedly connected with connecting rods (208).

2. The biogas residue pyrolysis device according to claim 1, wherein: The outer side of each connecting rod (208) is fixedly connected with three stirring rods (209), the bottom end outer side of the rotating rod (205) is fixedly connected with a sleeve (210), the bottom wall front and rear side walls of the sleeve (210) are both fixedly connected with connecting blocks (211), and the inner side walls of the two connecting blocks (211) are threadedly connected with anchor stirrers (212).

3. The biogas residue pyrolysis device according to claim 1, wherein: The front side wall of the pyrolysis furnace (1) is connected with a feeding hopper (3) in communication, the bottom of the pyrolysis furnace (1) is fixedly connected with a support frame (4), the right side wall of the pyrolysis furnace (1) is fixedly connected with a control panel (5), and the rear side wall of the pyrolysis furnace (1) is fixedly connected with a heating chamber (6).

4. The biogas residue pyrolysis device of claim 3, wherein: The front side wall of the heating chamber (6) is fixedly connected with a flow divider (7), the rear side wall bottom of the pyrolysis furnace (1) is fixedly connected with a heat transfer plate (8), the heat transfer plate (8) is arranged on the front side of the flow divider (7), and the bottom of the pyrolysis furnace (1) is connected with a discharge square tube (9) in penetration.

5. The biogas residue pyrolysis device of claim 1, wherein: The right side wall of the pyrolysis furnace (1) is fixedly connected with a support plate (10), the right side inner portion of the support plate (10) is provided with a guide rail groove (11), the right side top of the support plate (10) is provided with a second motor (12), and the top of the pyrolysis furnace (1) is fixedly connected with a support block (20).

6. The biogas residue pyrolysis apparatus of claim 5, wherein: The right side bottom of the support plate (10) is fixedly connected with a bottom block (13), the output end of the second motor (12) is fixedly connected with a lead screw (14), the bottom end of the lead screw (14) is rotatably connected to the inside of the bottom block (13), and the outer side of the lead screw (14) is slidably connected with a threaded sliding block (15).

7. The biogas residue pyrolysis apparatus of claim 6, wherein: The left side of the threaded sliding block (15) is slidably connected in the inside of the guide rail groove (11), the right side wall of the threaded sliding block (15) is fixedly connected with a first hinged frame (16), the right side inside of the first hinged frame (16) is rotatably connected with a support rod (17), and the bottom outer side of the support rod (17) is rotatably connected with a second hinged frame (18).

8. The biogas residue pyrolysis apparatus of claim 7, wherein: The bottom wall of the second hinged frame (18) is fixedly connected with a connecting plate (19), one part of the left side of the connecting plate (19) is arranged inside the supporting block (20), the left side wall of the connecting plate (19) is fixedly connected with a baffle (21), and the outer side of the baffle (21) is slidingly connected in the interior of the discharging square tube (9).

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