CN115416127A - High-temperature carbonization device and method suitable for large biomass raw materials - Google Patents
High-temperature carbonization device and method suitable for large biomass raw materials Download PDFInfo
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- CN115416127A CN115416127A CN202210861648.2A CN202210861648A CN115416127A CN 115416127 A CN115416127 A CN 115416127A CN 202210861648 A CN202210861648 A CN 202210861648A CN 115416127 A CN115416127 A CN 115416127A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/06—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by burning or charring, e.g. cutting with hot wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
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- 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
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Abstract
The application relates to the technical field of wood carbonization, and provides a high-temperature carbonization device and method suitable for large biomass raw materials. A high-temperature carbonization device suitable for bulk biomass raw materials comprises a device body, wherein a cavity is arranged in the device body, a fireproof heat-insulating layer is arranged on the wall surface of the cavity, and an air inlet and an air outlet are arranged on the side wall surface of the device body; the temperature detection assembly is arranged on the device body and used for detecting the temperature in the device body; the loading piece is used for loading raw materials; the driving assembly is connected with the loading piece and is used for driving the loading piece to enter and exit the cavity; and the cooling assembly is positioned between the driving assembly and the device body. According to the high temperature carbonization device suitable for bulk biomass raw materials of this application embodiment, improved the temperature that tolerates of the high temperature carbonization device suitable for bulk biomass raw materials, can improve heating temperature, improve the quality of charcoal, realize automatic carbonization operation, easy operation to the raw materials.
Description
Technical Field
The application relates to the technical field of wood carbonization, in particular to a high-temperature carbonization device and method suitable for large biomass raw materials.
Background
Charcoal is a high-carbon residue obtained by incomplete combustion of wood or other woody raw materials (such as wood chips, straw and other agricultural and forestry wastes), or pyrolysis under air-isolated conditions. The main classifications of raw charcoal include black charcoal and white charcoal. The carbonization temperature of the black carbon is 400 to 700 ℃, and the black carbon is naturally extinguished in the kiln and naturally cooled and then taken out. The carbonization temperature and carbon output of the white carbon are both above 1000 ℃. White charcoal is a high-end raw charcoal compared to black charcoal, which has high hardness, high density, high calorific value, low volatile content and makes a metallic sound when knocked.
In the related technology, the charcoal production equipment can bear lower temperature, the white carbon is difficult to produce, the automation degree is low, and the automatic carbonization operation of the raw materials is difficult to carry out.
Disclosure of Invention
The present application is directed to solving at least one of the technical problems occurring in the related art. For this reason, this application provides a high temperature carbonization device suitable for bold biomass feedstock, has improved the temperature that tolerates of the high temperature carbonization device suitable for bold biomass feedstock, can improve heating temperature, has improved the quality of charcoal, and has realized automatic carbonization operation, easy operation convenience to the raw materials.
The application also provides a high-temperature carbonization method suitable for the bulk biomass raw material.
The high-temperature carbonization device suitable for the bulk biomass raw material according to the embodiment of the first aspect of the application comprises:
the device comprises a device body, wherein a cavity is arranged in the device body, a fireproof heat insulation layer is arranged on the wall surface of the cavity, and an air inlet and an air outlet are arranged on the side wall surface of the device body;
the temperature detection assembly is arranged on the device body and used for detecting the temperature in the device body;
the loading piece is used for loading raw materials;
the driving assembly is connected with the loading piece and is used for driving the loading piece to enter and exit the cavity;
and the cooling assembly is positioned between the driving assembly and the device body and used for cooling the carbonized raw materials on the loading piece.
According to the high temperature carbonization device suitable for bulk biomass raw materials of this application embodiment, drive the carrier assembly through drive assembly and remove in the cavity for timber removes in the cavity. And then, conveying the heated gas into the cavity from the gas inlet, simultaneously detecting the temperature in the cavity in real time by the temperature detection assembly, and keeping the temperature in the cavity for a certain time when the temperature in the cavity reaches the drying temperature so as to realize the drying treatment of the wood. After the drying treatment is finished, heating gas is conveyed into the cavity through the gas inlet, and when the temperature detection assembly detects that the temperature in the cavity reaches the pre-carbonization temperature, the temperature in the cavity is kept for a certain time, so that the pre-carbonization treatment is carried out on the wood. After the pre-carbonization treatment is finished, the temperature of the heating gas conveyed into the cavity is gradually increased, the carbonization treatment and the calcination treatment are carried out on the wood, the temperature in the cavity is detected in real time through the temperature detection assembly, and the temperature in the cavity is ensured to meet the requirement all the time. Then drive the loading piece through drive assembly and leave the cavity to carry out the cooling process through the charcoal on cooling assembly to the loading piece simultaneously, and then obtain high-quality charcoal. And then realized having improved the high temperature carbonization device's that is applicable to bulky biomass feedstock tolerant temperature through set up fire-resistant insulating layer on the wall of cavity, can improve the heating temperature in the cavity, can produce and obtain white carbon, improved the quality of charcoal, and realized automatic carbonization operation, easy operation is convenient to the raw materials.
According to one embodiment of the application, a plurality of air inlets distributed in an array are arranged on two opposite side wall surfaces of the device body.
According to one embodiment of the application, the high-temperature carbonization device suitable for bulk biomass raw material comprises at least one of the following:
the afterburning port is arranged on the side wall surface of the device body;
and the observation port is arranged on the side wall surface of the device body.
According to one embodiment of the application, one side of the device body, which is close to the driving assembly, is provided with an opening communicated with the cavity, and the high-temperature carbonization device suitable for the massive biomass raw material comprises a sealing door which can be switched between an opening state for opening the opening and a closing state for closing the opening.
According to an embodiment of the application, a sealing gasket is arranged between the sealing door and the device body.
According to an embodiment of the application, the temperature detection assembly comprises at least one of:
the first temperature thermocouple is arranged at the top of the device body;
and the at least one second temperature thermocouple is arranged at the air inlet.
According to an embodiment of the application, the drive assembly comprises a first motor and a first connecting piece, the first motor is connected with one end of the first connecting piece, and the other end of the first connecting piece is detachably connected with the loading piece.
According to an embodiment of the application, drive assembly includes second motor, removal track and second connecting piece, the second connecting piece connect the second motor with remove the track, be provided with fixed track in the cavity, remove orbital upper surface with fixed track's upper surface is in same water flat line.
According to an embodiment of the application, the drive assembly comprises a stopper provided between the moving track and the second motor.
According to one embodiment of the application, the cooling assembly comprises at least one distribution mechanism located above the load.
According to an embodiment of the application, gas outlet department is provided with flue gas component detection subassembly, flue gas component detection subassembly is used for detecting through the gas outlet discharges the component of external gas.
The high-temperature carbonization method applicable to the bulk biomass raw material according to the embodiment of the second aspect of the application comprises the following steps:
drying treatment, namely drying the wood raw material for 6 +/-1.5 hours by using heating gas at the temperature of 150 +/-20 ℃;
pre-carbonizing, namely performing pre-carbonizing treatment on the wood for 3.5 +/-1 hours by using heating gas which is at 250 +/-30 ℃ and does not contain oxygen;
carbonizing treatment, namely carbonizing the wood for 5.5 +/-1 hours by using heated gas at 700 +/-50 ℃;
calcining, namely calcining the wood for 0.75 +/-0.5 hours by using heating gas at the temperature of not more than 1100 ℃;
and (4) cooling treatment, namely paving a cooling medium on the calcined wood to realize rapid cooling.
According to the high-temperature carbonization method applicable to the bulk biomass raw material, white carbon can be produced, the quality of charcoal is improved, and the method is simple and convenient to operate.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or related technologies of the present application, the drawings needed to be used in the description of the embodiments or related technologies are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a high-temperature carbonization device suitable for bulk biomass raw materials according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a partial structure of a high-temperature carbonization device suitable for large biomass raw materials according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a cooling assembly of a high-temperature carbonization device suitable for large biomass raw materials according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a high temperature carbonization method for bulk biomass feedstock according to embodiments of the present application;
reference numerals:
1. a device body; 2. a temperature detection assembly; 3. a loading member; 4. a drive assembly; 5. a cooling assembly;
6. a sealing door; 7. a hanger group; 11. an air inlet; 12. an air outlet; 13. a post-combustion port;
14. an observation port; 21. a first temperature thermocouple; 41. a first motor; 42. a first connecting member;
43. a second motor; 44. a moving track; 45. a second connecting member; 46. fixing a track;
47. a stopper; 51. a material distribution mechanism; 52. a container; 53. a variable frequency motor; 54. a blade rotating shaft.
Detailed Description
Embodiments of the present application will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
In the embodiments of the present application, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the present application, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like is intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
A high-temperature carbonization apparatus and method suitable for large biomass raw material according to the present application will be described with reference to fig. 1 to 4.
According to embodiments of the first aspect of the present application, as shown in fig. 1, 2 and 3, a high temperature carbonization apparatus suitable for bulk biomass feedstock comprises
The device comprises a device body 1, wherein a cavity is arranged in the device body 1, a fireproof heat-insulating layer is arranged on the wall surface of the cavity, and an air inlet 11 and an air outlet 12 are arranged on the side wall surface of the device body 1;
a temperature detection assembly 2 mounted on the apparatus body 1, the temperature detection assembly 2 being used for detecting the temperature inside the apparatus body 1;
a loading member 3 for loading the raw material;
the driving component 4 is connected with the loading part 3, and the driving component 4 is used for driving the loading part 3 to enter and exit the cavity;
and the cooling assembly 5 is positioned between the driving assembly 4 and the device body 1, and the cooling assembly 5 is used for cooling the carbonized raw materials on the loading piece 3.
When the wood processing device is used, wood to be processed is prevented from being placed on the bearing assembly, and then the bearing assembly is driven to move into the cavity through the driving assembly 4, so that the wood is moved into the cavity. And then, the heated air is conveyed into the cavity from the air inlet 11, the temperature detection assembly 2 detects the temperature in the cavity in real time, and when the temperature in the cavity reaches the drying temperature, the temperature in the cavity is kept for a certain time, so that the drying treatment of the wood is realized. After the drying treatment is finished, heating gas is conveyed into the cavity through the gas inlet 11, and when the temperature detection assembly 2 detects that the temperature in the cavity reaches the pre-carbonization temperature, the temperature in the cavity is kept for a certain time, so that the pre-carbonization treatment is carried out on the wood. After the pre-carbonization treatment is finished, the temperature of the heated gas conveyed into the cavity is gradually increased, the carbonization treatment and the calcination treatment are carried out on the wood, and the temperature in the cavity is detected in real time through the temperature detection assembly 2, so that the temperature in the cavity is ensured to meet the requirement all the time. Then drive loading piece 3 through drive assembly 4 and leave the cavity to carry out the cooling treatment through cooling module 5 to the charcoal on loading piece 3 simultaneously, and then obtain high-quality charcoal. And then realized having improved the high temperature carbonization device's that is applicable to bulky biomass feedstock tolerant temperature through set up fire-resistant insulating layer on the wall of cavity, can improve the heating temperature in the cavity, can produce and obtain white carbon, improved the quality of charcoal, and realized automatic carbonization operation, easy operation is convenient to the raw materials.
In the embodiment of the application, the refractory and heat-insulating layer comprises high-temperature refractory bricks and insulating bricks, and the insulating bricks are arranged between the high-temperature refractory bricks and the wall surface of the cavity, so that the refractory and heat-insulating functions are realized. It should be understood that the refractory insulation layer may be formed from any other suitable structural member.
In one embodiment of the present application, as shown in fig. 1 and 2, a plurality of air inlets 11 are arranged in an array on two opposite side wall surfaces of the apparatus body 1. When the air inlet device is used, the chromium plating air inlets 11 are formed in the side wall surface of the device body 1, and the plurality of air inlets 11 are arranged in a layered mode. When heating gas is conveyed into the cavity through the gas inlets 11, the uniformity of a temperature field and the uniformity of atmosphere in the cavity can be guaranteed by the mode that the plurality of gas inlets 11 are distributed in an array mode, and the uniformity of the atmosphere in the cavity can be accurately regulated and controlled.
In one embodiment of the present application, as shown in fig. 1 and 2, the high-temperature carbonization apparatus suitable for bulk biomass raw material includes a post-combustion port 13, and the post-combustion port 13 is provided on a side wall surface of the apparatus body 1. When the device is used, a certain amount of fuel gas is introduced into the cavity through the afterburning port 13 to rapidly increase the temperature in the device, so that the high-temperature calcination process of wood is realized, and high-quality charcoal such as white carbon can be obtained.
In one embodiment of the present application, as shown in fig. 1 and 2, the high-temperature carbonization apparatus suitable for large biomass raw materials includes a sight glass 14, and the sight glass 14 is provided on a side wall surface of the apparatus body 1. When the device is used, at least one observation port 14 communicated with the cavity is arranged on the device body 1, so that the situation in the cavity can be observed through the observation port 14, and the actual situation of the raw materials in the cavity can be conveniently and timely known.
In one embodiment of the present application, as shown in fig. 1, an opening communicating with the cavity is provided on one side of the apparatus body 1 near the driving assembly 4, and the high-temperature carbonization apparatus suitable for large biomass raw material includes a sealing door 6, and the sealing door 6 can be switched between an open state for opening the opening and a closed state for closing the opening. When in use, the driving component 4 drives the loading part 3 to enter and exit the cavity through the opening. Place the raw materials on loading 3 for sealing door 6 is in the open mode, then drive assembly 4 drives loading 3 and gets into in the cavity through the opening, after loading 3 gets into the cavity, sealing door 6 switches to the closed condition, make the opening closed, avoid the heat in the cavity to run off through the opening, sealing door 6 can also effectually prevent that raw materials carbonization in-process from leading to the fact the influence through the opening to external equipment, the gas tightness of device has been improved, can effectually block heat and flame in the cavity. When the raw material is processed, the sealing door 6 is switched to an open state, so that the opening is opened, and the loading piece 3 can leave the cavity through the opening.
In one embodiment of the present application, as shown in fig. 1, the high temperature carbonization apparatus suitable for bulk biomass raw material comprises a hanger assembly 7, the hanger assembly 7 is connected with the sealing door 6, and the hanger assembly 7 is used for driving the sealing door 6 to switch between an open state and a closed state. When in use, the hanger assembly 7 drives the sealing door 6 to move up and down, so that the sealing door 6 can be rapidly switched between an opening state and a closing state.
In the embodiment of the present application, the hanger assembly 7 may be a conventional structure, or may be any other suitable structure having a function of moving the sealing door 6 up and down.
In one embodiment of the present application, a sealing gasket is provided between the sealing door 6 and the device body 1. When the sealing device is used, the sealing gasket is arranged between the sealing door 6 and the device body 1, so that the sealing performance of connection between the sealing door 6 and the device body 1 can be effectively improved. When the sealing door 6 is in a closed state, the opening is closed by the sealing door 6, and the sealing gasket effectively improves the tightness of the connection between the sealing door 6 and the opening, so that the air tightness of the device is effectively improved.
In the embodiment of the present application, the gasket is provided, for example, on the side wall surface of the sealing door 6 near the apparatus body 1, so that the gasket can have a sealing property that improves the connection between the sealing door 6 and the apparatus body 1. It should be understood that the gasket seal may be provided in any other suitable location.
In an embodiment of the present application, the sealing gasket is, for example, a high temperature resistant flexible sealing gasket. It should be understood that the sealing gasket may be any other suitable sealing gasket.
In one embodiment of the present application, as shown in fig. 1, the temperature sensing assembly 2 includes at least one first thermo-thermocouple 21, and the first thermo-thermocouple 21 is disposed on the top of the apparatus body 1. When the device is used, the temperature in the real-time detection device of the first temperature thermocouple 21 can be detected, the real-time temperature in the cavity can be further known, the raw materials in the cavity can be conveniently subjected to accurate carbonization treatment, and the temperatures required by different steps in the carbonization treatment process can be accurately controlled.
In one embodiment of the present application, the temperature sensing assembly 2 comprises at least one second temperature thermocouple, which is disposed at the gas inlet 11. When the device is used, the temperature of the gas inlet 11 is detected in real time through the second temperature thermocouple, so that the actual temperature of the heated gas conveyed into the cavity through the gas inlet 11 can be known, whether the temperature of the heated gas conveyed into the cavity meets the requirement or not is judged, the heated gas conveyed into the cavity meets the temperature requirement of the current step, and the raw material carbonization treatment effect is ensured.
In one embodiment of the application, refractory blocks are arranged on the upper part of the loading member 3, and a refractory heat insulation door is arranged on the right side of the loading member 3. When in use, the fireproof and heat-insulating performance of the loading piece 3 can be effectively improved through the fireproof building blocks and the fireproof heat-insulating door.
In one embodiment of the present application, as shown in fig. 1 and 2, the driving assembly 4 includes a first motor 41 and a first connecting member 42, the first motor 41 is connected to one end of the first connecting member 42, and the other end of the first connecting member 42 is detachably connected to the loading member 3. When using, place the raw materials on loading 3, link together first connecting piece 42's the other end and loading 3, then drive first connecting piece 42 through first motor 41 and to cavity reciprocating motion, first connecting piece 42 drives loading 3 and removes, and then makes loading 3 pass in and out the cavity automatically, need not manual operation, has improved the degree of automation of device. When loading 3 and getting into the cavity, can be so that connecting piece and the disconnection between the loading 3, then first motor 41 drives first connecting piece 42 and leaves the cavity, and then can carry out the carbonization to the raw materials, when the raw materials carbonization accomplishes the back, be connected first connecting piece 42 with loading 3, then drive first connecting piece 42 through first motor 41, first connecting piece 42 drives loading 3 and leaves the cavity.
In one embodiment of the application, the loading member 3 is provided with a hook which is matched with the connecting member. When the device is used, the connecting piece is clamped with the hook, so that the connecting piece is connected with the loading piece 3 through the hook, and then the driving component 4 can drive the loading piece 3 to move through the connecting piece, so that the loading piece 3 automatically enters and exits the cavity.
In the embodiment of the present application, the first connecting member 42 is, for example, a threaded rod. It should be appreciated that the first connector 42 may be any other suitable connector.
In one embodiment of the present application, as shown in fig. 1 and 2, the driving assembly 4 includes a second motor 43, a moving rail 44, and a second connecting member 45, the second connecting member 45 connects the second motor 43 and the moving rail 44, a fixed rail 46 is disposed in the cavity, and an upper surface of the moving rail 44 and an upper surface of the fixed rail 46 are at the same level. In use, the second motor 43 can drive the moving rail 44 to move closer to or away from the fixed rail 46 through the second connecting member 45. The loading part 3 is placed on the moving track 44, the raw material is placed on the loading part 3, then the second motor 43 drives the moving track 44 to be close to the fixed track 46 through the second connecting part 45, then the first motor 41 drives the loading part 3 to move through the first connecting part 42, and as the upper surfaces of the moving track 44 and the fixed track 46 are in the same horizontal line, the loading part 3 can directly move to the upper surface of the fixed track 46 along the upper surface of the moving track 44, and further the loading part 3 is installed on the fixed track 46 in the cavity. Then the second motor 43 drives the moving rail 44 to move away from the fixed rail 46 through the second connecting member 45, and when the moving rail 44 leaves the cavity, the carbonization treatment of the raw material on the loading member 3 is started.
In one embodiment of the present application, as shown in fig. 1 and 2, the driving assembly 4 includes a stopper 47, and the stopper 47 is provided between the moving rail 44 and the second motor 43. When the device is used, the moving rail 44 is limited by the limiting stopper 47, and when the moving rail 44 moves to the position of the limiting stopper 47, that is, the moving rail 44 completely leaves the cavity at the moment, the carbonization of the raw material cannot be affected, and then the second motor 43 does not drive the moving rail 44 to move any more, so that the moving rail 44 is prevented from impacting the second motor 43 or other equipment.
In one embodiment of the present application, as shown in fig. 1 and 3, the cooling assembly 5 comprises at least one distribution mechanism 51, the distribution mechanism 51 being located above the carrier 3. When the device is used, after the raw materials on the loading part 3 are carbonized in the cavity, the driving component 4 drives the loading part 3 to leave the cavity, and meanwhile, the material distribution mechanism 51 lays a cooling medium on the loading part 3 while the loading part 3 moves, so that the charcoal on the loading part 3 is cooled rapidly.
In the embodiment of the present application, as shown in fig. 1 and fig. 3, the material distribution mechanism 51 includes, for example, a container 52, a variable frequency motor 53 and a blade rotating shaft 54, the blade rotating shaft 54 is installed at an outlet of the container 52, the variable frequency motor 53 is connected to the blade rotating shaft 54, the blade rotating shaft 54 is driven by the variable frequency motor 53 to rotate, and the blade rotating shaft 54 drives the blade to rotate, so that the cooling medium in the container 52 is uniformly laid on the loading member 3 below. It should be understood that material distribution mechanism 51 may be any other suitable structure.
In one embodiment of the present application, a smoke component detection assembly is provided at the gas outlet 12 for detecting components of the gas discharged to the outside through the gas outlet 12. When using, discharge the component of external gas through gas outlet 12 through flue gas component detecting element real-time detection, when detecting that the component that discharges the gas exists unusually, flue gas component detecting element sends corresponding signal to the terminal for the staff can in time handle, avoids causing the pollution to the environment, and can prevent to continue to carry out the carbonization treatment to the raw materials under the circumstances that the device goes wrong.
According to an embodiment of the second aspect of the present application, as shown in fig. 4, there is provided a high temperature carbonization method suitable for bulk biomass feedstock, comprising:
s1, drying, namely drying the wood raw material for 6 +/-1.5 hours by using heating gas at the temperature of 150 +/-20 ℃;
specifically, the heating gas is introduced into the device through the gas inlet 11, the temperature of the heating gas for drying is 150 +/-20 ℃, and the heating gas for drying can be air or other gases; the temperature change in the apparatus is monitored by the temperature detection module 2, and when the temperature in the apparatus reaches 150. + -. 20 ℃ it is considered that drying starts, and then drying is continued for 6. + -. 1.5 hours.
In the present embodiment, the temperature of the heating gas is, for example, 150 ± 10 ℃.
S2, pre-carbonizing, namely performing pre-carbonizing treatment on the wood for 3.5 +/-1 hours by using oxygen-free heating gas at the temperature of 250 +/-30 ℃;
specifically, the heating gas which is not containing oxygen and has the initial temperature of 250 +/-30 ℃ is sent into the device, the temperature change in the device is monitored by the temperature detection component 2, when the temperature in the device reaches 250 +/-30 ℃, the pre-carbonization is considered to be started, and the pre-carbonization time is 3.5-4 hours.
In the present embodiment, the temperature of the heating gas is, for example, 250 ± 25 ℃.
S3, carbonizing, namely carbonizing the wood for 5.5 +/-1 hours by using heated gas at 700 +/-50 ℃;
specifically, the temperature of the heating gas is gradually increased, the wood in the device is carbonized, the gas temperature is increased to 700 +/-50 ℃ after 6-7 hours, the monitoring data of the temperature detection assembly 2 is constantly noticed in the temperature rising process, and the state is maintained for 5-6 hours after the temperature in the device reaches 700 +/-50 ℃, so that the complete carbonization of all wood raw materials is ensured.
In the present embodiment, the temperature of the heating gas is, for example, 700 ± 25 ℃.
S4, calcining, namely calcining the wood for 0.75 +/-0.5 hours by using heating gas at the temperature of not more than 1100 ℃;
specifically, the content of oxygen in gas in the device is increased, the calcination and quality improvement of the raw materials in the device are started, the calcination temperature in the device is controlled by adjusting the content of the oxygen in the gas, the calcination temperature is not more than 1100 ℃, and the calcination time is 0.75 +/-0.5 hours.
In the present embodiment, the calcination time is, for example, 0.5 to 1 hour.
And S5, cooling, namely paving a cooling medium on the calcined wood to realize rapid cooling.
Specifically, a cooling medium, such as wet fine sand or grass ash, is laid on the calcined charcoal to achieve rapid cooling. Further, white carbon can be produced, the quality of charcoal is improved, and the operation is simple and convenient.
Finally, it should be noted that the above embodiments are only for illustrating the present application, and do not limit the present application. Although the present application has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application, and the technical solutions of the present application should be covered by the claims of the present application.
Claims (12)
1. The utility model provides a high temperature carbonization device suitable for bold biomass feedstock which characterized in that includes:
the device comprises a device body, wherein a cavity is arranged in the device body, a fireproof heat insulation layer is arranged on the wall surface of the cavity, and an air inlet and an air outlet are arranged on the side wall surface of the device body;
the temperature detection assembly is arranged on the device body and used for detecting the temperature in the device body;
the loading piece is used for loading raw materials;
the driving assembly is connected with the loading piece and is used for driving the loading piece to enter and exit the cavity;
and the cooling assembly is positioned between the driving assembly and the device body and used for cooling the carbonized raw materials on the loading piece.
2. The high-temperature carbonization device for large biomass raw material according to claim 1, wherein a plurality of the gas inlets are arranged in an array on two opposite side wall surfaces of the device body.
3. The high temperature carbonization device for bulk biomass feedstock as claimed in claim 1, wherein the high temperature carbonization device for bulk biomass feedstock comprises at least one of:
the afterburning port is arranged on the side wall surface of the device body;
and an observation port provided in a side wall surface of the apparatus body.
4. The high-temperature carbonization device for large biomass raw material according to any one of claims 1 to 3, wherein an opening communicating with the cavity is provided on a side of the device body close to the drive assembly, and the high-temperature carbonization device for large biomass raw material comprises a sealing door which can be switched between an open state for opening the opening and a closed state for closing the opening.
5. The high-temperature carbonization device suitable for the bulk biomass raw material according to claim 4, wherein a sealing gasket is arranged between the sealing door and the device body.
6. The high-temperature carbonization device suitable for bulk biomass feedstock according to any one of claims 1 to 3, wherein the temperature detection component comprises at least one of:
the first temperature thermocouple is arranged at the top of the device body;
and the at least one second temperature thermocouple is arranged at the air inlet.
7. The high-temperature carbonization device suitable for large biomass raw materials according to any one of claims 1 to 3, wherein the driving assembly comprises a first motor and a first connecting member, the first motor is connected with one end of the first connecting member, and the other end of the first connecting member is detachably connected with the loading member.
8. The high-temperature carbonization device suitable for large biomass raw materials according to claim 7, wherein the driving assembly comprises a second motor, a moving rail and a second connecting member, the second connecting member connects the second motor and the moving rail, a fixed rail is arranged in the cavity, and the upper surface of the moving rail and the upper surface of the fixed rail are in the same horizontal line.
9. The high temperature carbonization device adapted for use with bulk biomass feedstock of claim 8, wherein the drive assembly comprises a stop disposed between the moving track and the second motor.
10. The apparatus of any one of claims 1-3, wherein the cooling assembly comprises at least one distribution mechanism, and the distribution mechanism is located above the carrier.
11. The high-temperature carbonization device suitable for large biomass raw materials according to any one of claims 1 to 3, wherein a flue gas component detection module is provided at the gas outlet for detecting components of the gas discharged to the outside through the gas outlet.
12. A high-temperature carbonization method suitable for bulk biomass raw materials is characterized by comprising the following steps:
drying treatment, namely drying the wood raw material for 6 +/-1.5 hours by using heating gas at the temperature of 150 +/-20 ℃;
pre-carbonizing, namely performing pre-carbonizing treatment on the wood for 3.5 +/-1 hours by using heating gas which is at 250 +/-30 ℃ and does not contain oxygen;
carbonizing treatment, namely carbonizing the wood for 5.5 +/-1 hours by using heating gas at 700 +/-50 ℃;
calcining, namely calcining the wood for 0.75 +/-0.5 hours by using heating gas at the temperature of not more than 1100 ℃;
and (4) cooling treatment, namely paving a cooling medium on the calcined wood to realize rapid cooling.
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