CN112299392B - Microwave catalytic carbonization furnace for waste organic matters - Google Patents
Microwave catalytic carbonization furnace for waste organic matters Download PDFInfo
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- CN112299392B CN112299392B CN202011311254.7A CN202011311254A CN112299392B CN 112299392 B CN112299392 B CN 112299392B CN 202011311254 A CN202011311254 A CN 202011311254A CN 112299392 B CN112299392 B CN 112299392B
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- 238000003763 carbonization Methods 0.000 title claims abstract description 99
- 239000002699 waste material Substances 0.000 title claims abstract description 28
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 15
- 230000005284 excitation Effects 0.000 claims abstract description 15
- 238000002485 combustion reaction Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 51
- 239000000498 cooling water Substances 0.000 claims description 49
- 239000007789 gas Substances 0.000 claims description 48
- 238000007599 discharging Methods 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 19
- 239000003546 flue gas Substances 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 13
- 239000005416 organic matter Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 7
- 239000000779 smoke Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000000197 pyrolysis Methods 0.000 description 6
- 239000003595 mist Substances 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 239000011232 storage material Substances 0.000 description 4
- 239000005539 carbonized material Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
- B01J19/122—Incoherent waves
- B01J19/126—Microwaves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a microwave catalytic carbonization furnace for waste organic matters, and particularly relates to the technical field of environmental protection. The invention comprises a carbonization furnace, wherein a hearth is arranged in the carbonization furnace, a feed hopper, a carbonization gas collection cavity, a tail gas collection cavity, a microwave source and a combustion chamber are arranged on the carbonization furnace, and a carbonization gas exhaust port and a tail gas exhaust port are respectively arranged on the carbonization gas collection cavity and the tail gas collection cavity; a discharge cavity is arranged in the carbonization furnace; a smoke chamber is arranged in the hearth, a flame throat is arranged between the smoke chamber and the combustion chamber, and the smoke chamber is communicated with a tail gas collecting cavity; a microwave excitation cavity is arranged between the microwave source and the carbonization furnace; the carbonization furnace is provided with a discharge conveyor. The microwave catalytic carbonization furnace for the waste organic matters provided by the invention has the advantages that the microwave heating technology is applied to carbonization of the waste organic matters, the problems of low heat conduction speed and long carbonization time in the carbonization process of the waste organic matters are solved, the carbonization time of the waste organic matters is shortened, and the scale of equipment is reduced.
Description
Technical Field
The invention belongs to the technical field of environmental protection, and particularly relates to a microwave catalytic carbonization furnace for waste organic matters.
Background
The recycling of waste organic matter is a problem in the field of environmental protection and sequential economy that is now being widely studied. Waste plastic products, tires of scrapped automobiles, crop straws, biochemical sludge and the like are all being studied on carbonization recycling technology. Carbonization is carbonization under oxygen-free conditions. The heat transfer coefficient of the organic matters is smaller, the carbonization temperature is high, and the carbonization time is long, generally about 600 ℃.
The biomass machine-made charcoal widely used in cities is prepared by crushing crop straws and other biomasses (wood chips, bamboo chips and the like), drying, pressing, forming and carbonizing. In a special carbonization furnace, the carbonization time is generally more than 24 hours. The biochemical sludge carbonization equipment in the market belongs to continuous production, is generally arranged horizontally, is designed by referring to a conventional rotary kiln, and has the heat transfer principle basically the same as that of the conventional rotary kiln.
The key of carbonization of waste organic matters is the aggregation of heat conduction efficiency and material temperature, and rapid temperature rise to carbonization temperature. The machine-made charcoal carbonization furnace shortens the temperature uniformity in the furnace body and the time for rising to the carbonization temperature by increasing the energy input, thereby ensuring the carbonization energy input and the temperature stability. The horizontal sludge carbonization furnace accelerates carbonization by thinning sludge granularity and increasing the area of a high-temperature furnace wall. However, the existing carbonization equipment still has the problems of low heat conduction speed, long carbonization time, large equipment scale and the like. Accordingly, there is a need for a waste organic microwave catalytic carbonization furnace that can solve the above problems.
Disclosure of Invention
The invention aims to provide a waste organic matter microwave catalytic carbonization furnace, which applies a microwave heating technology to carbonization of waste organic matters, solves the problems of low heat conduction speed and long carbonization time in the carbonization process of the waste organic matters, shortens the carbonization time of the waste organic matters and reduces the scale of equipment.
The invention provides the following technical scheme:
the waste organic matter microwave catalytic carbonization furnace comprises a carbonization furnace, wherein a hearth is arranged in the carbonization furnace, a feed hopper, a carbonization gas collection cavity, a tail gas collection cavity, a microwave source and a combustion chamber are arranged on the carbonization furnace, the hearth is communicated with the carbonization gas collection cavity and the feed hopper, and a carbonization gas exhaust port and a tail gas exhaust port are respectively arranged on the carbonization gas collection cavity and the tail gas collection cavity; a discharge cavity is arranged in the carbonization furnace and is communicated with the hearth; a flue gas chamber is arranged in the hearth, a flame throat is arranged between the flue gas chamber and the combustion chamber, and the flue gas chamber is communicated with the tail gas collecting cavity; a microwave excitation cavity is arranged between the microwave source and the carbonization furnace; the carbonization furnace is provided with a discharge conveyor, one end of the discharge conveyor is connected with the discharge cavity, and the other end of the discharge conveyor is provided with a discharge interface.
Preferably, a material distribution cone is arranged on the flue gas chamber, and the material distribution cone is arranged below the feeding hopper.
Preferably, a microwave excitation cavity heat insulation plate is arranged between the microwave excitation cavity and the carbonization furnace, and a throat heat insulation plate is arranged on the outer side wall of the flame throat.
Preferably, the feeder hopper comprises feeding interface, a push-pull valve, go up feed bin, secondary push-pull valve, feed bin down, go up feed bin charge level indicator and feed bin charge level indicator down, once the push-pull valve is located on the feeding interface, the secondary push-pull valve is located go up the feed bin with between the feed bin down, go up the feed bin charge level indicator with feed bin charge level indicator down locates respectively go up the feed bin with down on the feed bin.
Preferably, the discharging conveyor comprises a power head, a conveying screw, a cooling water jacket and a shell, wherein a feed inlet and a discharge outlet are formed in the shell, the discharge outlet is connected with the discharge outlet, a cooling water inlet and a cooling water outlet are formed in the cooling water jacket, two ends of the conveying screw are rotatably connected with the shell, and the power head is connected with the end part of the conveying screw.
Preferably, the cooling water outlet is higher than the cooling water inlet.
Preferably, the discharging interface comprises a discharging connector, a temporary storage material box and a discharging hole, wherein the discharging connector and the discharging hole are respectively provided with a third gate valve and a fourth gate valve, the outer side wall of the temporary storage material box is provided with a water jacket, the water jacket is provided with a water inlet and a water outlet, and the temporary storage material box is provided with a material level gauge, a water-air outlet and a spray head.
Preferably, the water outlet is higher than the water inlet.
Preferably, the discharging cavity is composed of a stirring cooling cavity, a discharging stirrer and a driving wheel, the discharging stirrer is arranged in the stirring cooling cavity, the driving wheel is connected with the discharging stirrer, the driving wheel rotates through a motor, the inner annular wall of the driving wheel is rotationally connected with the flame throat, a discharging opening and a cooling water jacket are respectively arranged at the lower end and the outer wall of the stirring cooling cavity, and a cooling water inlet hole and a cooling water outlet hole are formed in the cooling water jacket.
Preferably, the cooling water outlet hole is higher than the cooling water inlet hole.
The beneficial effects of the invention are that:
the microwave of the invention has penetrability, the material absorbs the microwave and generates self-heating to generate high temperature; the material absorbs the heat in the flue gas chamber through the flue gas chamber, so that the interior and the exterior of the material are heated and warmed simultaneously, the problems of low heat conduction speed and long carbonization time in the carbonization process of waste organic matters are overcome, the carbonization time of the waste organic matters is shortened, and the scale of equipment is reduced;
drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the feed hopper of the present invention;
FIG. 3 is a schematic view of the structure of the outfeed conveyor of the present invention;
FIG. 4 is a schematic view of the structure of the discharge port of the present invention;
fig. 5 is a schematic view of the structure of the discharge chamber of the present invention.
Reference numerals illustrate:
1. a feed hopper; 2. a cloth cone; 3. a furnace; 4. a flue gas chamber; 5. a microwave excitation cavity; 6. a microwave source; 7. a tail gas collection chamber; 8. a dry distillation gas collection chamber; 9. a tail gas discharge port; 10. a dry distillation gas exhaust port; 11. a microwave excitation cavity heat insulation plate; 12. a discharge cavity; 13. a flame throat; 14. a throat insulation plate; 15. a combustion chamber; 16. a discharging output machine; 17. a discharge port; 18. a feed port; 19. a first gate valve; 20. feeding a bin; 21. a secondary gate valve; 22. discharging the material bin; 23. a loading bin level gauge; 24. a blanking bin level gauge; 25. a power head; 26. a conveying screw; 27. a cooling water jacket; 28. a feed inlet; 29. a discharge port; 30. a cooling water outlet; 31. a cooling water inlet; 32. a housing; 33. a discharge port; 34. a third gate valve; 35. temporary storage material box; 36. a spray head; 37. a level gauge; 38. a water jacket; 39. a water inlet; 40. a secondary gate valve; 41. a water outlet; 42. a water gas outlet; 43. a discharge port; 44. stirring and cooling the cavity; 45. a discharge stirrer; 46. a discharge port; 47. a driving wheel; 48. a cooling water jacket; 49. a cooling water inlet hole; 50. a cooling water outlet hole; 51. and (3) a carbonization furnace.
Detailed Description
As shown in fig. 1 to 5, a waste organic matter microwave catalytic carbonization furnace comprises a carbonization furnace 51, wherein a hearth 3 is arranged in the carbonization furnace 51, a feed hopper 1, a carbonization gas collecting cavity 8, a tail gas collecting cavity 7, a microwave source 6 and a combustion chamber 4 are arranged on the carbonization furnace 51, the hearth 3 is communicated with the carbonization gas collecting cavity 8 and the feed hopper 1, a carbonization gas exhaust port 10 and a tail gas exhaust port 9 are respectively arranged on the carbonization gas collecting cavity 8 and the tail gas collecting cavity 7, the feed hopper 1 is convenient for temporary storage of materials and enters the hearth 3, carbonization gas generated in the drying and carbonization processes of the materials in the hearth 3 is conveyed to the carbonization gas collecting cavity 8 through a pipeline and is discharged through the carbonization gas exhaust port 10, and after moisture in the gas is removed through condensation, the carbonization gas is introduced into the combustion chamber 4 for burning, so as to provide heat energy for the carbonization furnace 51;
a smoke chamber 4 is arranged in the hearth 3, a flame throat 13 is arranged between the smoke chamber 4 and a combustion chamber 15, the smoke chamber 4 is communicated with a tail gas collecting cavity 7, high-temperature smoke generated by fuel oil (gas) in the combustion chamber 15 quickly passes through the flame throat 13 and enters the smoke chamber 4, heat is conducted to materials in the hearth 3 from inside to outside through the wall of the smoke chamber 4, the smoke chamber 4 guides the smoke of the smoke chamber 4 to the tail gas collecting cavity 7 through a pipeline, and the smoke is discharged from a tail gas exhaust port 9 for tail gas treatment;
a microwave excitation cavity 5 is arranged between the microwave source 6 and the carbonization furnace 51, the hearth 3 is wrapped by the microwave excitation cavity 5, the microwave source 6 feeds microwave energy into the microwave excitation cavity 5, and materials in the hearth 3 are coupled with microwaves to heat the materials; a microwave excitation cavity heat-insulating plate 11 is arranged between the microwave excitation cavity 5 and the carbonization furnace 51, and the microwave excitation cavity heat-insulating plate 11 has the function of heat insulation and heat preservation;
a discharge cavity 12 is arranged in the carbonization furnace 51, and the discharge cavity 12 is communicated with the hearth 3; the carbonization furnace 51 is provided with a discharge conveyor 16, one end of the discharge conveyor 16 is connected with the discharge cavity 12, and the other end of the discharge conveyor 16 is provided with a discharge interface 17;
the material distribution cone 2 is arranged on the flue gas chamber 4, the material distribution cone 2 is arranged below the feed hopper 1, the material distribution cone 2 is beneficial to the uniform arrangement of materials in the hearth 3, the materials absorb microwaves and generate heat by themselves, high temperature is generated, the materials absorb heat in the flue gas chamber 4 through the flue gas chamber 4, the materials are heated and warmed up inside and outside simultaneously, the problems of low heat conduction speed and long carbonization time in the carbonization process of waste organic matters are solved, the carbonization time of the waste organic matters is shortened, and the scale of equipment is reduced.
The feeder hopper 1 comprises feeding interface 18, primary push-pull valve 19, go up feed bin 20, secondary push-pull valve 21, lower feed bin 22, go up feed bin charge level indicator 23 and lower feed bin charge level indicator 24, and on feeding interface 18 was located to primary push-pull valve 19, go up feed bin 20 and lower feed bin 22 were located to secondary push-pull valve 21, go up feed bin charge level indicator 23 and lower feed bin charge level indicator 24 and locate the lateral wall of going up feed bin 20 and lower feed bin 24 respectively, and in the feeder hopper 1 was convenient for the material added furnace 3, feeder hopper 1 was favorable to furnace and outside oxygen isolated, carries out carbonization.
The discharging conveyor 16 consists of a power head 25, a conveying screw 26, a cooling water jacket 27 and a shell 32, wherein the shell 32 is provided with a feed inlet 28 and a discharge outlet 29, the discharge outlet 29 is connected with the discharging interface 17, the cooling water jacket 27 is provided with a cooling water inlet 31 and a cooling water outlet 30, two ends of the conveying screw 26 are rotationally connected with the shell 32, the power head 25 is connected with the end of the conveying screw 26, the power head 25 drives the conveying screw 26 to rotate, and the discharging conveyor 16 is convenient for quantitative discharging of materials;
the cooling water outlet 30 is higher than the cooling water inlet 31, so that heat exchange between the material and the cooling water is more complete, the material is in heat exchange cooling by contacting the cooling water jacket 27 in the discharging and conveying process, the temperature of the material is reduced, the material is prevented from being combusted in the atmosphere, and the air is isolated from entering the hearth 3.
The discharging interface 17 consists of a discharging connecting port 33, a temporary storage box 35 and a discharging port 43, wherein the discharging connecting port 33 and the discharging port 43 are respectively provided with a third gate valve 34 and a fourth gate valve 40, the outer side wall of the temporary storage box 35 is provided with a water jacket 38, the water jacket 38 is provided with a water inlet 39 and a water outlet 41, the temporary storage box 35 is provided with a material level indicator 37, a water vapor outlet 42 and a spray head 36, the spray head 36 sprays water mist into the temporary storage box 35, the water mist absorbs heat to cool materials, the water vapor is discharged through the water vapor outlet 42, and the water jacket 38 further cools the temporary storage box 35; the water outlet 41 is higher than the water inlet 39, so that the heat exchange between the material and the cooling water is more complete.
The discharging cavity 12 consists of a stirring cooling cavity 44, a discharging stirrer 45 and a driving wheel 47, the discharging stirrer 45 is arranged in the stirring cooling cavity 44, the driving wheel 47 is connected with the discharging stirrer 45, the driving wheel 47 rotates through a motor, the inner annular wall of the driving wheel 47 is rotationally connected with the flame throat 13, the lower end and the outer wall of the stirring cooling cavity 44 are respectively provided with a discharge opening 46 and a cooling water jacket 48, the cooling water jacket 48 is provided with a cooling water inlet hole 49 and a cooling water outlet hole 50, the driving wheel 47 drives the discharging stirrer 45 to stir materials, and the cooling water jacket 48 cools high-temperature carbonized materials in the stirring cooling cavity 44; the cooling water outlet hole 50 is higher than the cooling water inlet hole 49, so that the heat exchange between the material and the cooling water is more complete.
The outer side wall of the flame throat 13 is provided with a throat insulation board 14, and the throat insulation board 14 prevents the flame throat 13 from conducting heat to the stirring cooling cavity 44.
The working mode of the invention is as follows: the primary gate valve is opened 19, the secondary gate valve is closed 21, the lifting machine conveys materials to the feeding bin 20, and when the feeding bin level gauge 23 detects that the materials reach the set material level height, the feeding is stopped; the primary gate valve 19 is closed, the secondary gate valve 21 is opened, the material in the upper bin 20 falls into the lower bin 22, the material enters the hearth 3 through the feed hopper 1, the material absorbs microwaves and generates heat by itself, high temperature is generated, and the material absorbs heat in the flue gas chamber 4 through the flue gas chamber 4; the dry distillation gas generated in the drying and carbonization processes of the materials in the hearth 3 is conveyed to a dry distillation gas collecting cavity 8 through a pipeline and is discharged through a dry distillation gas exhaust port 10, the dry distillation gas is condensed to remove moisture in the gas, and then the gas is introduced into a combustion chamber 4 for combustion, so that heat energy is provided for a carbonization furnace 51, and a flue gas chamber 4 guides the flue gas of the flue gas chamber 4 to a tail gas collecting cavity 7 through a pipeline and is discharged from a tail gas exhaust port 9 for tail gas treatment; after carbonization of the material, the high-temperature carbonized material from the hearth 3 falls into the stirring and cooling cavity 44, the material is conveyed to the discharge opening 46 through the discharge stirrer 45, the material falls into the discharge conveyor 16 through the discharge opening 46, the cooling water jacket 48 cools the high-temperature carbonized material in the stirring and cooling cavity 44, the material quantitatively enters the discharge interface 17 through the discharge conveyor 16, the material is subjected to heat exchange cooling in the discharge conveying process by contacting the cooling water jacket 27, the three-time gate valve 34 is opened, the four-time gate valve 40 is closed, the discharge conveyor 16 conveys the material to the temporary storage box 35, the spray head 36 sprays water mist into the temporary storage box 35, the water mist absorbs heat, the material is cooled, the water vapor is discharged through the water vapor outlet 42, the water jacket 38 further cools the temporary storage box 35, when the temporary storage box 35 reaches a preset material level, the material level gauge 37 signals, the three-time gate valve 34 is closed, the four-time gate valve 40 is opened, and the material is discharged.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a waste organic matter microwave catalytic carbonization stove, includes the carbonization stove, be equipped with furnace in the carbonization stove, its characterized in that: the carbonization furnace is provided with a feed hopper, a carbonization gas collection cavity, a tail gas collection cavity, a microwave source and a combustion chamber, the hearth is communicated with the carbonization gas collection cavity and the feed hopper, and the carbonization gas collection cavity and the tail gas collection cavity are respectively provided with a carbonization gas exhaust port and a tail gas exhaust port; a discharge cavity is arranged in the carbonization furnace and is communicated with the hearth; a flue gas chamber is arranged in the hearth, a flame throat is arranged between the flue gas chamber and the combustion chamber, and the flue gas chamber is communicated with the tail gas collecting cavity; a microwave excitation cavity is arranged between the microwave source and the carbonization furnace; a discharge conveyor is arranged on the carbonization furnace, one end of the discharge conveyor is connected with the discharge cavity, and the other end of the discharge conveyor is provided with a discharge interface;
the feeding hopper consists of a feeding interface, a primary gate valve, an upper bin, a secondary gate valve, a lower bin, an upper bin level gauge and a lower bin level gauge, wherein the primary gate valve is arranged on the feeding interface, the secondary gate valve is arranged between the upper bin and the lower bin, and the upper bin level gauge and the lower bin level gauge are respectively arranged on the upper bin and the lower bin;
the discharging conveyor consists of a power head, a conveying screw, a cooling water jacket and a shell, wherein the shell is provided with a feed inlet and a discharge outlet, the discharge outlet is connected with the discharge outlet, the cooling water jacket is provided with a cooling water inlet and a cooling water outlet, two ends of the conveying screw are rotationally connected with the shell, and the power head is connected with the end part of the conveying screw;
the discharging port consists of a discharging connection port, a temporary storage bin and a discharging port, wherein the discharging connection port and the discharging port are respectively provided with a third gate valve and a fourth gate valve, the outer side wall of the temporary storage bin is provided with a water jacket, the water jacket is provided with a water inlet and a water outlet, and the temporary storage bin is provided with a level gauge, a water-gas outlet and a spray head;
the discharging cavity consists of a stirring cooling cavity, a discharging stirrer and a driving wheel, the discharging stirrer is arranged in the stirring cooling cavity, the driving wheel is connected with the discharging stirrer, the driving wheel rotates through a motor, the inner annular wall of the driving wheel is rotationally connected with the flame throat, the lower end and the outer wall of the stirring cooling cavity are respectively provided with a discharge opening and a cooling water jacket, and the cooling water jacket is provided with a cooling water inlet hole and a cooling water outlet hole.
2. The microwave catalytic carbonization furnace for waste organic matter according to claim 1, wherein: the flue gas chamber is provided with a material distribution cone, and the material distribution cone is arranged below the feeding hopper.
3. The microwave catalytic carbonization furnace for waste organic matter according to claim 1, wherein: a microwave excitation cavity heat insulation plate is arranged between the microwave excitation cavity and the carbonization furnace, and a throat heat insulation plate is arranged on the outer side wall of the flame throat.
4. The microwave catalytic carbonization furnace for waste organic matter according to claim 1, wherein: the cooling water outlet is higher than the cooling water inlet.
5. A waste organic matter microwave catalytic carbonization furnace according to claim 1, characterized in that; the water outlet is higher than the water inlet.
6. The microwave catalytic carbonization furnace for waste organic matter according to claim 1, wherein: the cooling water outlet hole is higher than the cooling water inlet hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011311254.7A CN112299392B (en) | 2020-11-20 | 2020-11-20 | Microwave catalytic carbonization furnace for waste organic matters |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011311254.7A CN112299392B (en) | 2020-11-20 | 2020-11-20 | Microwave catalytic carbonization furnace for waste organic matters |
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| CN112299392A CN112299392A (en) | 2021-02-02 |
| CN112299392B true CN112299392B (en) | 2024-04-09 |
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| CN115851292A (en) * | 2022-11-17 | 2023-03-28 | 西安西热锅炉环保工程有限公司 | Device and method for carbonizing and crushing solid waste by using high-temperature flue gas |
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