CN112815639A - Bamboo carbonization and drying device and processing method thereof - Google Patents
Bamboo carbonization and drying device and processing method thereof Download PDFInfo
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- CN112815639A CN112815639A CN202011637329.0A CN202011637329A CN112815639A CN 112815639 A CN112815639 A CN 112815639A CN 202011637329 A CN202011637329 A CN 202011637329A CN 112815639 A CN112815639 A CN 112815639A
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- kiln body
- bamboo
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- carbonization
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/02—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in buildings
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The application discloses a bamboo wood carbonization and drying device and a processing method thereof, which comprises a kiln body provided with a sealing door; the heating device is arranged on one side of the kiln body and used for heating air in the kiln body; the steam injection device is arranged at the top of the kiln body and is used for humidifying the bamboo wood; the circulating fan is used for accelerating air circulation in the kiln body; the gas exchange device comprises a gas inlet arranged at the bottom of the kiln body, and the gas inlet is communicated with the outside through a gas inlet valve; the exhaust port is arranged at the top of the kiln body and is communicated with the outside through an exhaust valve; and the moisture exhausting device is arranged at the top of the kiln body. The application provides a bamboo timber carbomorphism drying device compares in prior art, and its carbomorphism that can collect the bamboo timber is gone on same equipment with drying, need not separately process, and efficiency is higher, and the energy consumption is low and has shortened processing cycle.
Description
Technical Field
The application relates to the technical field of bamboo product processing and production, in particular to a bamboo carbonization and drying device and a processing method thereof.
Background
China is the country with the most abundant bamboo resources in the world, has more than 40 genera and more than 500 kinds of bamboos, the area of the bamboo forest accounts for 1/5 of the total area of the bamboo forest in the world, and the bamboo forest can quickly produce plants only needing one-time planting, has strong adaptability to the environment, strong regeneration capacity and short finished product period, and has the characteristic of one-time planting permanent utilization. At present, the bamboo product has very wide application value in industrial application, can be made into various products such as furniture, tableware, clothes and the like, and has excellent performance and huge development space.
The existing bamboo processing technology is still relatively backward, the bamboo needs to be subjected to procedures of carbonization, drying, dehydration and the like, the carbonization and the drying are two very important technologies in the bamboo processing, and can prevent the bamboo from mildewing or deforming, but in the prior art, two devices are needed for carbonization and drying of the bamboo respectively, so that the efficiency is low, the energy consumption is high, and the processing period is long.
Disclosure of Invention
In order to solve the technical problem, the application provides a bamboo wood carbonization and drying device and a processing method thereof, which can integrate carbonization and drying of bamboo wood to be carried out on the same device without separate processing, and have the advantages of higher efficiency, low energy consumption and shortened processing period.
The technical scheme provided by the application is as follows:
a bamboo wood carbonization and drying device comprises a kiln body provided with a sealing door;
a heating device, a steam injection device, a circulating fan and a gas exchange device which are arranged in the kiln body,
the heating device is arranged on one side of the kiln body and used for heating air in the kiln body;
the steam injection device is arranged at the top of the kiln body and is used for humidifying the bamboo wood;
the circulating fan is used for accelerating air circulation in the kiln body;
the gas exchange device comprises a gas exchange device and a gas exchange device,
the air inlet is arranged at the bottom of the kiln body and is communicated with the outside through an air inlet valve;
the exhaust port is arranged at the top of the kiln body and is communicated with the outside through an exhaust valve;
and the dehumidifying device is arranged at the top of the kiln body.
Preferably, the system also comprises a control system;
and the control system is respectively connected with the heating device, the steam spraying device, the circulating fan and the gas exchange device.
Preferably, the method further comprises, the step of transporting the device,
the transportation device comprises a plurality of transportation devices, wherein,
the slide rail extends into the kiln body;
the bamboo wood lifting trolley is characterized by comprising a trolley, wherein a plurality of layers of supporting partition plates for placing the bamboo wood are arranged on the trolley;
and the driving device is connected with the control system and drives the cart to move on the slide rail, so that the cart can enter and exit the kiln body.
Preferably, the method further comprises the step of,
a detection device connected with the control system, the detection device comprising,
the temperature sensor is connected with the control system and used for detecting the air temperature;
a humidity sensor connected to the control system for detecting the humidity of the air;
and the moisture content sensing probe is connected with the control system and is used for detecting the moisture content of the bamboo.
Preferably, the first and second electrodes are formed of a metal,
the steam-spraying device comprises a steam-spraying device,
the steam spray head is arranged in the kiln body;
a valve disposed at the steam head;
the pre-evaporation device is connected with the evaporation nozzle;
a water tank connected to the pre-evaporator;
wherein the valve and the evaporation device are connected with the control system.
Preferably, the outer plate material of the kiln body is an aluminum alloy material;
the middle layer of the kiln body comprises a framework and a heat insulation layer filled in the framework;
the inner plate material of the kiln body is made of an anticorrosive material.
Preferably, the method further comprises the step of,
the kiln body is characterized by also comprising a waste water discharge device arranged on the bottom surface of the kiln body.
Preferably, a sealing strip is arranged between the sealing door and the kiln body.
A bamboo carbonization and drying processing method is characterized by comprising the following steps:
s1: stacking the bamboo wood in a bamboo wood carbonization drying device, and closing a sealing door and a gas exchange device;
s2: carbonizing treatment, starting a heating device and a circulating fan, controlling the temperature in the kiln body to be 90-120 ℃, and keeping for 1-2 hours; controlling the temperature in the kiln body to rise to 110-130 ℃, keeping the temperature for 2-3 hours, intermittently starting the steam injection device in the temperature rise stage, and injecting steam as protective gas;
s3: and (4) carbonizing and cooling, closing the steam injection device and the heating device, opening the moisture exhaust device and the circulating fan, and cooling the air in the kiln body by stages until the temperature reaches the room temperature.
S4: and (2) performing drying pretreatment, opening a gas exchange device, a circulating fan and a heating device, heating the moisture in the kiln body by the heating device to enable the moisture in the kiln body to form steam and be discharged through a moisture discharging device at the top of the kiln body, controlling the high-temperature drying and exhaust temperature to be 110-125 ℃, continuing for 1-1.5 hours, continuing to work by the circulating fan and the gas exchange device, stopping the heating device for 1-2 hours, and stopping when the temperature and humidity in the kiln body are 5-15%.
S5: and (3) drying, namely starting a circulating fan and a heating device, controlling the temperature in the kiln body to be kept at 100-130 ℃, controlling the humidity to be 5-15%, and finishing drying when the moisture content of the bamboo wood is detected to be reduced to be below 12%.
The invention provides a bamboo wood carbonization and drying device, which comprises a kiln body, a drying chamber and a drying chamber, wherein the kiln body is arranged in the drying chamber; the drying device comprises a kiln body, a sealing door, a heating device, a steam injection device and a circulating fan, wherein the heating device is arranged on one side of the kiln body and used for heating air in the kiln body, the steam injection device is arranged at the top of the kiln body and used for humidifying bamboo wood and heating and humidifying airtight space to provide environment for carbonization of the bamboo wood, and the circulating fan is used for accelerating the flow of the air in the kiln body to enable the temperature of the air in the kiln body to flow uniformly and heating the bamboo wood uniformly, so that the carbonization quality is better. Because the humidity in the kiln body is lower in the drying process, the bamboo wood carbonization and drying device provided by the invention is also provided with a gas exchange device, wherein the gas exchange device comprises a gas inlet arranged at the bottom of the kiln body, a gas outlet arranged at the top of the kiln body and a moisture exhaust device arranged at the top of the kiln body, and the gas inlet is communicated with the outside through a gas inlet valve; the exhaust port is communicated with the outside through an exhaust valve, so that on one hand, the bamboo in the kiln body can be prevented from being carbonized and blackened; on the other hand, the damp and hot environment in the kiln body can be converted into a dry environment, so that the bamboo wood is dried. Therefore, the bamboo carbonization and drying device provided by the invention can integrate the carbonization and drying of bamboo on the same equipment, does not need to be processed separately, has high efficiency and low energy consumption, and shortens the processing period.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described 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 the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a bamboo carbonization and drying device provided by an embodiment of the invention;
fig. 2 is a schematic structural diagram of another angle of the bamboo carbonization and drying device provided by the embodiment of the invention;
fig. 3 is a schematic mechanism diagram of the cart provided by the embodiment of the invention.
1. A sealing door; 2. a kiln body; 3. a heating device; 4. a steam injection device; 5. a circulating fan; 61. an air inlet; an exhaust port; 63. a moisture removal device; 71. a slide rail; 72. pushing a cart; 73. supporting the partition plate; 74. a drive device; 21. a sealing strip; 8. a waste water discharge device.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
Embodiments of the present invention are written in a progressive manner.
As shown in fig. 1 to 3, an embodiment of the present invention provides a bamboo wood carbonization and drying device, which includes a kiln body 2 provided with a sealing door 1; the device comprises a heating device 3, a steaming device 4, a circulating fan 5 and a gas exchange device which are arranged in a kiln body 2, wherein the heating device 3 is arranged at one side of the kiln body 2 and is used for heating air in the kiln body 2; the steam injection device 4 is arranged at the top of the kiln body 2 and is used for humidifying the bamboo wood; the circulating fan 5 is used for accelerating the air circulation in the kiln body 2; the gas exchange device comprises a gas inlet 61 arranged at the bottom of the kiln body 2, and the gas inlet 61 is communicated with the outside through a gas inlet valve; an exhaust port 62 arranged at the top of the kiln body 2, wherein the exhaust port 62 is communicated with the outside through an exhaust valve; and a dehumidifying device 63 provided at the top of the kiln body 2.
In the prior art, two kinds of equipment are needed for carbonization and drying of bamboo wood respectively, so that the efficiency is low, the energy consumption is high, and the processing period is long.
The bamboo wood carbonization and drying device provided by the invention comprises a kiln body 2; the bamboo wood carbonization drying device comprises a kiln body 2, a sealing door 1 is arranged on one side of the kiln body 2, a heating device 3, a steam injection device 4 and a circulating fan 5 are arranged in the kiln body 2, wherein the heating device 3 is arranged on one side of the kiln body 2 and used for heating air in the kiln body 2, the steam injection device 4 is arranged at the top of the kiln body 2 and used for humidifying bamboo wood, heating and humidifying a closed space and providing an environment for carbonization of the bamboo wood, and the circulating fan 5 is used for accelerating the flow of the air in the kiln body 2, enabling the temperature of the air in the kiln body 2 to flow uniformly, heating the bamboo wood uniformly and enabling the carbonization quality to be better. Because the humidity in the kiln body 2 is lower in the drying process, the bamboo wood carbonization and drying device provided by the invention is also provided with a gas exchange device, wherein the gas exchange device comprises a gas inlet 61 arranged at the bottom of the kiln body 2, a gas outlet 62 arranged at the top of the kiln body 2 and a moisture exhaust device 63 arranged at the top of the kiln body 2, wherein the gas inlet 61 is communicated with the outside through a gas inlet valve; the exhaust port 62 is communicated with the outside through an exhaust valve, and the arrangement can prevent the bamboo wood in the kiln body 2 from being carbonized and blackened on one hand; on the other hand, the damp and hot environment in the kiln body 2 can be converted into a dry environment, so that the bamboo wood can be dried. Therefore, the bamboo carbonization and drying device provided by the invention can collect carbonization and drying of bamboo on the same equipment, does not need separate processing, has high efficiency and low energy consumption, and shortens the processing period.
It should be noted that, the kiln body 2 of the bamboo wood carbonization and drying device in the embodiment of the present invention is large, and can carbonize and dry more bamboo wood at one time, and in order to make the carbonization and drying effect better, the kiln body 2 in the embodiment of the present invention is provided with 4 or more circulating fans 5, as a more preferable embodiment, in order to make the temperature in the kiln body 2 uniformly distributed during carbonization and the air volume in the kiln body 2 uniformly distributed during drying, the fans in the embodiment of the present invention are provided at the upper and lower ends of one side in the kiln body 2 and the upper and lower ends of the opposite side of the kiln body 2. The heating device 3 provided by the embodiment of the invention is a stainless steel base pipe heat exchanger.
In order to make the bamboo carbonization and drying device more intelligent, the bamboo carbonization and drying device further comprises a control system, wherein the control system comprises a touch screen arranged on the outer side of the kiln body 2 and a programmable logic controller communicated with the touch screen, and the programmable logic controller is respectively connected with the heating device 3, the steam injection device 4, the circulating fan 5 and the gas exchange device. The technological conditions of bamboo carbonization and drying are set through the programmable logic controller, and the bamboo carbonization and drying device provided by the invention can automatically control the technological parameters such as temperature, humidity, time and the like in the kiln body 2 according to the set technological conditions.
In order to facilitate the bamboo to enter and exit the kiln body 2, the bamboo carbonization and drying device in the embodiment of the invention further comprises a conveying device, wherein the conveying device comprises a sliding rail 71, a trolley 72 and a driving device 74. Wherein, the slide rail 71 extends into the kiln body 2; a plurality of layers of supporting partition plates 73 for placing bamboo wood are arranged on the cart 72; the driving device 74 is connected to the control system, and the driving device 74 drives the cart 72 to move on the slide rails 71, so that the cart 72 can automatically enter and exit the kiln body 2. The workman places the bamboo timber in shallow 72, is provided with multilayer supporting partition 73 on the shallow 72, places the bamboo timber that thickness equals on every layer, when having increased the carbomorphism drying, the area of bamboo timber, and the bamboo timber that thickness equals makes every layer of bamboo timber to add the required time unanimity when processing, and the dry more even of carbomorphism. After stacking is completed, the control system controls the driving device 74 to drive the cart 72 to enter the kiln body 2, the sealing door 1 is closed, the bamboo is carbonized and dried, after the carbonization and drying are finished, the sealing door 1 is opened, and the control system controls the driving device 74 to drive the cart 72 to come out of the kiln body 2, so that the stacking is more convenient.
In order to observe and control the temperature, the humidity and the moisture content of the bamboo in the kiln body 2 in real time, the bamboo carbonization and drying device in the real-time embodiment of the invention also comprises a detection device connected with the control system, and the detection device comprises a temperature sensor connected with the control system and used for detecting the air temperature; a humidity sensor connected with the control system for detecting the humidity of the air; and the moisture content sensing probe is connected with the control system and is used for detecting the moisture content of the bamboo. The programmable logic controller receives signals of the detection device, displays real-time temperature, humidity and bamboo moisture content on the touch screen, and simultaneously displays set temperature, humidity and time on the touch screen.
The steam spraying device in the embodiment of the invention comprises a steam spraying head arranged in a kiln body 2; a valve arranged at the steam spray head; a pre-evaporation device connected with the steam spray head; a water tank connected to the pre-evaporator; wherein, the valve and the evaporation plant are connected with the control system. The steam-injection device 4 in the embodiment of the invention is provided with the pre-evaporation device, before the steam-injection head is started, the pre-evaporation device is firstly started, water vapor of the pre-evaporation device is input into the kiln body 2, the water vapor flows in the kiln body 2 more quickly, the humidity in the kiln body 2 is more uniform, the bamboo wood is steamed by injection, a high-humidity condition is provided for bamboo wood carbonization, and the bamboo wood carbonization effect is better.
As a more preferable embodiment, the outer plate material of the kiln body 2 in the embodiment of the invention is an aluminum alloy material; the middle layer of the kiln body 2 comprises a framework and a heat-insulating layer filled in the framework; the inner plate material of the kiln body 2 is made of an anticorrosive material. Specifically, the kiln body 2 in the embodiment of the invention is a carbon steel structural framework in the middle of an aluminum alloy outer plate of a stainless steel inner container, the kiln body 2 in the form of heat insulation cotton is filled in the kiln body, and the kiln body is built by stainless steel and aluminum alloy anticorrosive materials.
In a more preferred embodiment, the bamboo material carbonizing and drying apparatus according to the embodiment of the present invention further includes a waste water discharging device 8 disposed on the bottom surface of the kiln body 2. Specifically, the waste water discharge device 8 in the embodiment of the present invention is a floor drain, and is mainly used for discharging sugar decomposed by carbonization of bamboo in the kiln body 2, condensed water in the kiln body 2, and the like.
As a more preferable embodiment, a sealing strip 21 is provided between the sealing door 1 and the kiln body 2 in the embodiment of the present invention. Avoid the loss of heat and save energy.
The embodiment of the invention also provides a bamboo carbonization and drying processing method, which comprises the following steps:
s1: stacking the bamboo wood in a bamboo wood carbonization drying device, and closing the sealing door 1 and the gas exchange device;
s2: carbonizing treatment, starting the heating device 3 and the circulating fan 5, controlling the temperature in the kiln body 2 to be 90-120 ℃, and keeping for 1-2 hours; controlling the temperature in the kiln body 2 to rise to 110-130 ℃, controlling the humidity to be 75-85%, keeping the temperature for 2-3 hours, intermittently starting the steam injection device 4 in the temperature rise stage, and injecting steam as protective gas;
s3: and (3) carbonizing and cooling, closing the steam injection device 4 and the heating device 3, opening the moisture discharging device 63 and the circulating fan 5, and cooling the air in the kiln body 2 by stages until the temperature reaches the room temperature.
S4: before drying treatment, a gas exchange device, a circulating fan 5 and a heating device 3 are opened, the heating device 3 heats moisture in a kiln body 2, the moisture in the kiln body 2 forms steam and is exhausted through a dehumidifying device 63 at the top of the kiln body 2, the high-temperature drying and exhaust temperature is controlled to be 110-125 ℃, the high-temperature drying and exhaust temperature lasts for 1-1.5 hours, the circulating fan 5 and the gas exchange device continue to work, the heating device 3 stops working for 1-2 hours, and the drying and exhaust temperature stops when the air humidity in the kiln body 2 is 5-15%.
S5: and (3) drying, namely starting a circulating fan 5 and a heating device 3, controlling the temperature in the kiln body 2 to be 100-130 ℃, controlling the humidity to be 5-15%, and finishing drying when the moisture content of the bamboo wood is detected to be reduced to be below 12%.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A bamboo wood carbonization and drying device comprises a kiln body (2) provided with a sealing door (1);
the heating device (3), the steam injection device (4), the circulating fan (5) and the gas exchange device are arranged in the kiln body (2);
the heating device (3) is arranged on one side of the kiln body (2) and is used for heating air in the kiln body (2);
the steam injection device (4) is arranged at the top of the kiln body and is used for humidifying the bamboo wood;
the circulating fan (5) is used for accelerating air circulation in the kiln body (2);
the gas exchange device comprises a gas exchange device and a gas exchange device,
the air inlet (61) is arranged at the bottom of the kiln body (1), and the air inlet (61) is communicated with the outside through an air inlet valve;
the exhaust port (62) is arranged at the top of the kiln body (2), and the exhaust port (62) is communicated with the outside through an exhaust valve;
and a moisture removing device (63) arranged at the top of the kiln body.
2. The bamboo carbonization-drying device of claim 1, further comprising a control system;
the control system is respectively connected with the heating device (3), the steam injection device (4), the circulating fan (5) and the gas exchange device.
3. The bamboo carbonization and drying device as claimed in claim 2, further comprising a transportation device,
the transportation device comprises a plurality of transportation devices, wherein,
the slide rail (71) extends into the kiln body (2);
the bamboo wood harvester is characterized by comprising a trolley (72), wherein a plurality of layers of supporting partition plates (73) used for placing the bamboo wood are arranged on the trolley (72);
and the driving device (74) is connected with the control system, and the driving device (74) drives the trolley (72) to move on the sliding rail (71), so that the trolley (72) can go in and out of the kiln body (2).
4. The bamboo carbonization and drying device as claimed in claim 2, further comprising,
a detection device connected with the control system, the detection device comprising,
the temperature sensor is connected with the control system and used for detecting the air temperature;
a humidity sensor connected to the control system for detecting the humidity of the air;
and the moisture content sensing probe is connected with the control system and is used for detecting the moisture content of the bamboo.
5. The bamboo carbonization and drying device as claimed in claim 2, wherein the steam spraying device (4) comprises,
the steam nozzle is arranged inside the kiln body (1);
a valve disposed at the steam head;
the pre-evaporation device is connected with the evaporation nozzle;
a water tank connected to the pre-evaporator;
wherein the valve and the evaporation device are connected with the control system.
6. The bamboo carbonization and drying device as claimed in any one of claims 1 to 5, wherein,
the outer plate material of the kiln body (1) is an aluminum alloy material;
the middle layer of the kiln body (1) comprises a framework and a heat insulation layer filled in the framework;
the inner plate material of the kiln body (1) is made of an anti-corrosion material.
7. The bamboo carbonization and drying device as claimed in any one of claims 1 to 5, further comprising a waste water discharge device (8) disposed at the bottom of the kiln body (1).
8. The bamboo carbonization and drying device as claimed in any one of claims 1 to 5, characterized in that a sealing strip (21) is arranged between the sealing door (1) and the kiln body.
9. A bamboo carbonization and drying processing method comprises the following steps:
s1: stacking the bamboo wood in a bamboo wood carbonization drying device, and closing the sealing door (1) and the gas exchange device;
s2: carbonizing treatment, starting a heating device (3) and a circulating fan (5), controlling the temperature in the kiln body to be 90-120 ℃, and keeping for 1-2 hours; controlling the temperature in the kiln body (1) to rise to 110-130 ℃, controlling the humidity to be 75-85%, keeping the temperature for 2-3 hours, intermittently starting the steam injection device (4) in the temperature rise stage, and injecting steam as protective gas;
s3: carbonizing and cooling, closing the steam injection device (4) and the heating device (3), opening the moisture discharging device (63) and the circulating fan (5), and cooling the air in the kiln body (1) in stages until the air reaches the room temperature;
s4: before drying treatment, opening a gas exchange device, a circulating fan (5) and a heating device (3), heating the moisture in a kiln body (1) by the heating device to enable the moisture in the kiln body (1) to form steam and be discharged through a moisture discharging device (63) at the top of the kiln body, controlling the high-temperature drying and discharging temperature to be 110-125 ℃, continuing to work for 1-1.5 hours, continuing to work by the circulating fan (5) and the gas exchange device, stopping the heating device (3), continuing to work for 1-2 hours, and stopping when the temperature and humidity in the kiln body are 5-15%;
s5: and (3) drying, namely starting a circulating fan (5) and a heating device (3), controlling the temperature in the kiln body (1) to be kept at 100-130 ℃, controlling the humidity to be 5-15%, and finishing drying when the moisture content of the bamboo wood is detected to be reduced to be below 12%.
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| CN113915959A (en) * | 2021-11-02 | 2022-01-11 | 湖南丰源环保设备科技有限公司 | Multifunctional vacuum drying system |
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