Pyrolysis carbonization furnace device for kitchen garbage

Abstract

The utility model provides a pyrolysis carbonization furnace device for kitchen garbage, which relates to the technical field of kitchen garbage treatment and comprises a thermal insulation outer furnace and a rotary inner furnace rotationally arranged in the middle of the thermal insulation outer furnace. The supporting mechanisms are fixedly installed at the two ends of the heat preservation outer furnace, and the supporting mechanisms are used for conducting auxiliary supporting on the rotary inner furnace; the driving mechanism is fixedly mounted on the outer side of the rotary inner furnace, and the driving mechanism is used for driving the rotary inner furnace to rotate; the feeding mechanism is mounted at one end of the rotary inner furnace, and the feeding mechanism is used for feeding the kitchen garbage into the rotary inner furnace. According to the utility model, a novel heating mechanism is adopted, pyrolysis gas is introduced to the spray burner through the guide pipe, is directly ignited and is combusted together with liquefied gas to heat the carbonization furnace, so that under the condition of ensuring sufficient carbonization heat, the use amount of the liquefied gas can be reduced, the problem of high difficulty in recycling the pyrolysis gas can be avoided, the safety of pyrolysis is improved, and the energy consumption is reduced. More energy-saving and environment-friendly effects are realized.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen waste treatment, in particular to a pyrolysis carbonization furnace device for kitchen waste. Background Art

[0002] Kitchen waste refers to perishable biomass waste such as food waste, leftovers, melon peels and fruit cores, and Chinese medicine residues. In order to treat kitchen waste in a scientific and standardized manner, pyrolysis carbonization is often used. Currently, the common kitchen waste pyrolysis carbonization furnace is mainly composed of an outer furnace body and an inner furnace body. The pyrolysis of kitchen waste is achieved through the spraying of gas. The above common types of kitchen waste pyrolysis carbonization furnaces have the following shortcomings in actual application:

[0003] Since the products of the pyrolysis process of kitchen waste are pyrolysis gas and charcoal slag, and the main components of pyrolysis gas are combustible mixed gases such as hydrogen, carbon monoxide and methane, these pyrolysis gases are treated by diversion recovery. The pyrolysis gas recovery process is difficult and has low safety. Utility Model Content

[0004] The utility model provides a pyrolysis carbonization furnace device for kitchen waste, which solves the problems raised by the above-mentioned background technology.

[0005] In order to solve the above technical problems, the technical solution of the utility model is as follows:

[0006] The embodiment of the utility model provides a pyrolysis carbonization furnace device for kitchen waste, comprising: a heat-insulating outer furnace and a rotating inner furnace rotatably arranged in the middle of the heat-insulating outer furnace;

[0007] A supporting mechanism, which is fixedly mounted at both ends of the heat-insulating outer furnace and is used to provide auxiliary support for the rotating inner furnace;

[0008] A driving mechanism, the driving mechanism is fixedly mounted on the outer side of the rotary inner furnace, and the driving mechanism is used to drive the rotary inner furnace to rotate;

[0009] A feeding mechanism, the feeding mechanism is installed at one end of the rotary inner furnace, and the feeding mechanism is used to feed the kitchen waste into the rotary inner furnace;

[0010] A slag discharge mechanism, which is installed at the other end of the rotary inner furnace and is used to discharge carbon slag after pyrolysis;

[0011] A heating mechanism, the heating mechanism is fixedly mounted on the heat-insulating outer furnace, and the heating mechanism is used to heat the rotating inner furnace;

[0012] An induced draft fan is installed at the corner of the heat-insulating outer furnace;

[0013] The tail gas outlet is fixedly installed on the top of the heat-insulating outer furnace.

[0014] Furthermore, the support mechanism includes a support seat and a support guide wheel arranged on the support seat, and a limiting wheel frame is fixedly arranged on the outer surface of the rotating inner furnace, and the limiting wheel frame is in contact with and connected to the support guide wheel.

[0015] Through the above technical solution, stable and reliable support can be provided to the rotary inner furnace without affecting the rotation of the rotary inner furnace.

[0016] Furthermore, a switch plate is fixedly installed on the front of the heat-insulating outer furnace, and a power switch and a temperature adjustment knob are fixedly installed on the surface of the switch plate.

[0017] Through the above technical solution, the operation is simple and the control is convenient.

[0018] Furthermore, the driving mechanism includes a reduction motor and a driving gear fixedly mounted on the reduction motor, one side of the driving gear is meshedly connected with an annular tooth, the annular tooth is fixedly disposed on the rotating inner furnace, and the reduction motor is electrically connected to an external power supply via a power switch.

[0019] Through the above technical solution, the rotating inner furnace can be stably driven to rotate so that the kitchen waste inside can be fully carbonized.

[0020] Furthermore, the feeding mechanism includes an extended base plate and a servo motor fixedly mounted on the extended base plate, a second sprocket is fixedly arranged at the output end of the servo motor, a feeding barrel is fixedly arranged in the middle of the extended base plate, the feeding barrel is rotatably arranged on a rotating inner furnace, a pushing auger is fixedly arranged inside the feeding barrel, a first sprocket is fixedly arranged at one end of the pushing auger, a chain is transmission-connected between the first sprocket and the second sprocket, a garbage inlet is fixedly connected to the top of the feeding barrel, and the servo motor is electrically connected to an external power supply through a power switch.

[0021] Through the above technical solution, the feeding is stable and clogging is not easy to occur.

[0022] Furthermore, the slag discharge mechanism includes a charcoal slag box rotatably connected to the rotating inner furnace, and the bottom end of the charcoal slag box is fixedly connected to a slag discharge channel.

[0023] Through the above technical solution, slag discharge is convenient and easy to manage.

[0024] Furthermore, the heating mechanism includes an insulating bracket and a liquefied gas cylinder group fixedly mounted on the insulating bracket, the gas outlet of the liquefied gas cylinder group is fixedly connected to a gas supply pipe group, the gas supply pipe group is fixedly connected to a combustion nozzle, the combustion nozzle is arranged inside the heat-insulating outer furnace, the combustion nozzle is fixedly mounted on the burner, the top of the charcoal slag box is fixedly connected to a pyrolysis gas duct, both sides of the pyrolysis gas duct are fixedly connected to branch pipes, and the branch pipes are fixedly mounted on the burner.

[0025] Through the above technical solution, the usage of liquefied gas can be reduced, and the problem of difficulty in pyrolysis gas recovery and treatment can be avoided, thereby improving the safety of pyrolysis.

[0026] The above solution of the utility model includes at least the following beneficial effects:

[0027] 1. The utility model adopts a new heating mechanism, which introduces the pyrolysis gas into the burner through a conduit, ignites it directly, and heats the carbonization furnace together with the liquefied gas. Under the condition of ensuring sufficient carbonization heat, it can not only reduce the use of liquefied gas, but also avoid the problem of difficult pyrolysis gas recovery and treatment, improve the safety of pyrolysis, and be more energy-saving and environmentally friendly.

[0028] 2. The utility model adopts the method of outer furnace insulation and inner furnace rotation heating to realize the carbonization treatment of kitchen waste. The kitchen waste is heated evenly and the pyrolysis efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0030] Figure 2 It is a front cross-sectional view of the pyrolysis carbonization furnace of the utility model;

[0031] Figure 3 It is a top cross-sectional view of the pyrolysis carbonization furnace of the utility model;

[0032] Figure 4 It is an enlarged structural schematic diagram of a part A of the utility model.

[0033] Description of reference numerals:

[0034] 1. Insulated outer furnace; 2. Rotating inner furnace; 3. Ring gear; 4. Speed ​​reduction motor; 5. Driving gear; 6. induced draft fan; 7. Feeding barrel; 8. Extended bottom plate; 9. Servo motor; 10. Chain; 11. First sprocket; 12. Garbage inlet; 13. Exhaust outlet; 14. Insulated bracket; 15. Liquefied gas cylinder group; 16. Gas supply pipe group; 17. Switch board; 18. Second sprocket; 19. Support seat; 20. Support guide wheel; 21. Limiting wheel frame; 22. Pyrolysis gas duct; 23. Carbon slag box; 24. Slag discharge channel; 25. Pushing auger; 26. Branch pipe; 27. Combustion nozzle; 28. Burner. DETAILED DESCRIPTION

[0035] The exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0036] like Figures 1 to 4 As shown, an embodiment of the utility model provides a pyrolysis carbonization furnace device for kitchen waste, comprising: an insulating outer furnace 1 and a rotating inner furnace 2 rotatably arranged in the middle of the insulating outer furnace 1;

[0037] A supporting mechanism, which is fixedly mounted at both ends of the heat-insulating outer furnace 1 and is used to provide auxiliary support for the rotating inner furnace 2;

[0038] A driving mechanism, the driving mechanism is fixedly mounted on the outer side of the rotary inner furnace 2, and the driving mechanism is used to drive the rotary inner furnace 2 to rotate;

[0039] A feeding mechanism, which is installed at one end of the rotary inner furnace 2 and is used to feed the kitchen waste into the rotary inner furnace 2;

[0040] A slag discharge mechanism, which is installed at the other end of the rotary inner furnace 2 and is used to discharge carbon slag after pyrolysis;

[0041] A heating mechanism, which is fixedly mounted on the heat-insulating outer furnace 1 and is used to heat the rotating inner furnace 2;

[0042] The induced draft fan 6 is installed at the corner of the heat-insulating outer furnace 1;

[0043] The tail gas outlet 13 is fixedly mounted on the top of the heat-insulating outer furnace 1 .

[0044] The supporting mechanism includes a supporting seat 19 and a supporting guide wheel 20 arranged on the supporting seat 19 . A limiting wheel frame 21 is fixedly arranged on the outer surface of the rotating inner furnace 2 . The limiting wheel frame 21 is in contact and connected with the supporting guide wheel 20 .

[0045] A switch plate 17 is fixedly mounted on the front of the heat-insulating outer furnace 1 , and a power switch and a temperature adjustment knob are fixedly mounted on the surface of the switch plate 17 .

[0046] In an embodiment of the utility model, the crushed kitchen waste enters the rotating inner furnace 2 through the feeding mechanism, and the driving mechanism drives the rotating inner furnace 2 to continuously rotate inside the heat-insulating outer furnace 1. The kitchen waste in the rotating inner furnace 2 is heated by the heating mechanism to carbonize the kitchen waste. The carbonized kitchen waste is discharged through the slag discharge mechanism, and the pyrolysis efficiency is high.

[0047] See also Figure 1 and Figure 4 Furthermore, the driving mechanism includes a reduction motor 4 and a driving gear 5 fixedly mounted on the reduction motor 4, one side of the driving gear 5 is meshedly connected with an annular gear 3, the annular gear 3 is fixedly arranged on the rotating inner furnace 2, and the reduction motor 4 is electrically connected to the external power supply through a power switch.

[0048] In the embodiment of the utility model, during the pyrolysis process, the reduction motor 4 will drive the driving gear 5 to rotate, and the driving gear 5 will drive the ring gear 3 to move, so that the rotating inner furnace 2 will continue to rotate in the middle of the heat-insulating outer furnace 1, so that the kitchen waste inside will continue to roll, thereby improving the uniformity of pyrolysis.

[0049] See also Figure 1 and Figure 2 , further, the feeding mechanism includes an extended bottom plate 8 and a servo motor 9 fixedly mounted on the extended bottom plate 8, a second sprocket 18 is fixedly arranged at the output end of the servo motor 9, a feeding barrel 7 is fixedly arranged in the middle of the extended bottom plate 8, the feeding barrel 7 is rotatably arranged on the rotating inner furnace 2, a pushing auger 25 is fixedly arranged inside the feeding barrel 7, a first sprocket 11 is fixedly arranged at one end of the pushing auger 25, a chain 10 is transmission-connected between the first sprocket 11 and the second sprocket 18, a garbage inlet 12 is fixedly connected to the top of the feeding barrel 7, and the servo motor 9 is electrically connected to the external power supply through a power switch;

[0050] The slag discharge mechanism includes a slag box 23 rotatably connected to the rotary inner furnace 2, and a slag discharge channel 24 is fixedly connected to the bottom end of the slag box 23;

[0051] In the embodiment of the utility model, kitchen waste is continuously added into the feeding barrel 7 through the garbage inlet 12, and the servo motor 9 drives the second sprocket 18 to move. Through the transmission of the chain 10, the first sprocket 11 will drive the pushing auger 25 to rotate in the feeding barrel 7, thereby pushing the continuously added kitchen waste into the rotating inner furnace 2. The feeding barrel 7 is fixed, and the rotating inner furnace 2 rotates. The two are rotatably connected, and the charcoal slag after pyrolysis will enter the charcoal slag box 23 along the inclined rotating inner furnace 2. The staff only needs to open the slag discharge channel 24 regularly to discharge the charcoal slag after pyrolysis.

[0052] See also Figure 1 , Figure 2 and Figure 3 Furthermore, the heating mechanism includes an insulating bracket 14 and a liquefied gas cylinder group 15 fixedly installed on the insulating bracket 14, the gas outlet of the liquefied gas cylinder group 15 is fixedly connected to the gas supply pipe group 16, the gas supply pipe group 16 is fixedly connected to a combustion nozzle 27, the combustion nozzle 27 is arranged inside the heat-insulating outer furnace 1, and a burner 28 is fixedly installed on the combustion nozzle 27. The top of the charcoal slag box 23 is fixedly connected to a pyrolysis gas duct 22, and both sides of the pyrolysis gas duct 22 are fixedly connected to branch pipes 26, and the branch pipes 26 are fixedly installed on the burner 28.

[0053] In the embodiment of the utility model, the liquefied gas in the liquefied gas cylinder group 15 will continuously enter the combustion nozzle 27 through the gas supply pipe group 16 and be sprayed out by the burner 28. The pyrolysis gas generated by the kitchen waste will enter the charcoal slag box 23 from the end of the rotating inner furnace 2, and then enter the branch pipe 26 through the pyrolysis gas duct 22, and finally enter the burner 28 for ignition. The entire pyrolysis process does not require the recovery of the pyrolysis gas, which is energy-saving and environmentally friendly, and safer.

[0054] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A pyrolysis carbonization furnace device for kitchen waste, characterized in that: include: A heat-insulating outer furnace (1) and a rotating inner furnace (2) rotatably arranged in the middle of the heat-insulating outer furnace (1); A supporting mechanism, the supporting mechanism being fixedly mounted at both ends of the heat-insulating outer furnace (1), the supporting mechanism being used to provide auxiliary support for the rotating inner furnace (2); A driving mechanism, the driving mechanism being fixedly mounted on the outside of the rotary inner furnace (2), the driving mechanism being used to drive the rotary inner furnace (2) to rotate; A feeding mechanism, the feeding mechanism being mounted at one end of the rotary inner furnace (2), the feeding mechanism being used to feed kitchen waste into the rotary inner furnace (2); A slag discharge mechanism, the slag discharge mechanism being installed at the other end of the rotary inner furnace (2), the slag discharge mechanism being used to discharge carbon slag after pyrolysis; A heating mechanism, the heating mechanism being fixedly mounted on the heat-insulating outer furnace (1), the heating mechanism being used to heat the rotating inner furnace (2); An induced draft fan (6), wherein the induced draft fan (6) is installed at a corner of the heat-insulating outer furnace (1); An exhaust gas outlet (13) is fixedly mounted on the top of the heat-insulating outer furnace (1).

2. A pyrolysis carbonization furnace device for kitchen waste according to claim 1, characterized in that: The support mechanism comprises a support seat (19) and a support guide wheel (20) arranged on the support seat (19); a limiting wheel frame (21) is fixedly arranged on the outer surface of the rotary inner furnace (2); and the limiting wheel frame (21) is in contact with and connected to the support guide wheel (20).

3. The pyrolysis carbonization furnace device for kitchen waste according to claim 1, characterized in that: A switch plate (17) is fixedly mounted on the front of the heat-insulating outer furnace (1), and a power switch and a temperature adjustment knob are fixedly mounted on the surface of the switch plate (17).

4. A pyrolysis carbonization furnace device for kitchen waste according to claim 3, characterized in that: The driving mechanism comprises a reduction motor (4) and a driving gear (5) fixedly mounted on the reduction motor (4); one side of the driving gear (5) is meshingly connected with an annular gear (3); the annular gear (3) is fixedly arranged on the rotary inner furnace (2); and the reduction motor (4) is electrically connected to an external power supply via a power switch.

5. The pyrolysis carbonization furnace device for kitchen waste according to claim 3, characterized in that: The feeding mechanism comprises an extended bottom plate (8) and a servo motor (9) fixedly mounted on the extended bottom plate (8); a second sprocket (18) is fixedly arranged at the output end of the servo motor (9); a feeding barrel (7) is fixedly arranged in the middle of the extended bottom plate (8); the feeding barrel (7) is rotatably arranged on the rotating inner furnace (2); a pushing auger (25) is fixedly arranged inside the feeding barrel (7); a first sprocket (11) is fixedly arranged at one end of the pushing auger (25); a chain (10) is transmission-connected between the first sprocket (11) and the second sprocket (18); a garbage inlet (12) is fixedly connected to the top of the feeding barrel (7); and the servo motor (9) is electrically connected to an external power supply via a power switch.

6. The pyrolysis carbonization furnace device for kitchen waste according to claim 1, characterized in that: The slag discharge mechanism comprises a slag box (23) rotatably connected to the rotary inner furnace (2), and a slag discharge channel (24) is fixedly connected to the bottom end of the slag box (23).

7. The pyrolysis carbonization furnace device for kitchen waste according to claim 6, characterized in that: The heating mechanism comprises a heat-insulating support (14) and a liquefied gas cylinder group (15) fixedly mounted on the heat-insulating support (14); a gas outlet of the liquefied gas cylinder group (15) is fixedly connected to a gas supply pipe group (16); a combustion nozzle (27) is fixedly connected to the gas supply pipe group (16); the combustion nozzle (27) is arranged inside the heat-insulating outer furnace (1); a burner (28) is fixedly mounted on the combustion nozzle (27); a top end of the charcoal slag box (23) is fixedly connected to a pyrolysis gas conduit (22); both sides of the pyrolysis gas conduit (22) are fixedly connected to branch pipes (26); and the branch pipes (26) are fixedly mounted on the burner (28).

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