Movable carbonization equipment for treating biomass wastes and intermittent carbonization method thereof

Abstract

The invention discloses movable carbonization equipment for treating biomass waste and an intermittent carbonization method thereof. The movable carbonization equipment comprises a trailer, a carbonization unit and a recovery unit. In the carbonization unit, a carbonization bin is located in a heat conduction shell, and the heat conduction shell is installed in a heat preservation box. The top surface of the carbonization bin is open, the rear surface is a bin door, the bottom surface is provided with rollers or sliding blocks, and at least one half of the rollers or sliding blocks can move out of the heat conduction shell and the heat preservation box from the rear side. The interval between the heat conduction shell and the inner wall of the bottom face of the heat preservation box serves as a combustion chamber, and the interval between the heat conduction shell and other side faces of the heat preservation box serves as a smoke channel. And the recovery unit is used for separating the escapes of the carbonization bin, collecting the prepared liquid components and feeding the prepared fuel gas into the combustion chamber. The movable carbonization equipment can be used for intermittently carbonizing various biomass wastes, and is convenient to operate.

Description

Technical Field

[0001] The present application relates to the technical field of biomass waste harm reduction treatment, and in particular to a small-scale carbonization device for biomass waste, and also to a carbonization method for biomass waste. Background Art

[0002] The effectiveness of returning straw to the fields is not ideal, with problems such as difficulty in decomposing, pests and diseases, and nitrogen fixation. Burning straw remains a practical option for many farmers and is difficult to completely ban.

[0003] Carbon-based compound fertilizers can slow nutrient leaching, volatilization, and centralized absorption, improving soil porosity, pH, moisture content, and microbial ecology. Using charcoal made from agricultural and forestry waste as a fertilizer base not only reduces carbon emissions and air pollution from straw burning, but also helps reduce excessive fertilizer use and gradually address issues such as soil structural imbalance, water pollution, and agricultural product quality.

[0004] Currently, there is a lack of affordable and practical biomass waste carbonization equipment. The carbonization processes disclosed in patents CN118085908A, CN117487577A, CN116376578A, and CN107541227A utilize fixed equipment, offer sophisticated technology, high resource utilization, and diverse raw materials. However, these processes require long-distance transportation of both the raw materials and the products, making them unsuitable for large farms, forestry, and livestock farming areas. Vehicle-mounted (mobile) carbonization equipment disclosed in patents CN108977213A, CN110819368A, CN115141641A, CN117025238A, and CN117025242A allows for flexible and maneuverable on-site operation. Such equipment is desired for its ease of operation, wide applicability, and low cost. Summary of the Invention

[0005] The technical problem to be solved by this application is how to improve the mobile carbonization equipment for treating biomass waste so as to simplify the operation and expand the scope of application.

[0006] In a first aspect of the present application, a mobile carbonization device for processing biomass waste is disclosed. The mobile carbonization device comprises a trailer, a carbonization unit and a recovery unit located on the trailer; The carbonization unit comprises: An insulated box, which is cylindrical and extends in the front-to-back direction, and has a rear door on the upper part of the rear side; A heat-conducting shell is fixedly arranged in the heat-insulating box, the rear side of the shell is configured as an opening connected to the rear door, the distance between the shell and the inner wall of the bottom surface of the heat-insulating box is large, and the distance between the shell and the other side surfaces of the heat-insulating box is small, and the distance between the shell and the other side surfaces of the heat-insulating box is configured as a smoke channel (302), and the smoke outlet of the smoke channel is located on the top surface of the heat-insulating box; and a carbonization bin with an open top, located in the heat-conducting shell, at least half of which can be moved out of the heat-insulating box through the rear door; The recovery unit is connected to the interior of the heat-conducting shell on the top surface of the heat-conducting shell, and is used to separate the escaped matter from the carbonization bin, collect the obtained liquid components, and send the obtained gas into the combustion chamber; The bottom inner wall of the heat-conducting shell is provided with a pair of bottom linear guide rails extending front to back; The carbonization bin has a rear side configured as a bin door, and a bottom surface provided with a plurality of sliders or rollers to cooperate with the pair of bottom linear guide rails.

[0007] In a second aspect of the present application, an intermittent carbonization method for treating biomass waste is disclosed. The intermittent carbonization method can be implemented using the mobile carbonization equipment of the first aspect, and the intermittent carbonization method comprises: A feeding step of feeding a quantitative amount of biomass waste into the carbonization bin and feeding an appropriate amount of biomass waste into the combustion chamber; a startup step of igniting the biomass waste in the combustion chamber and continuously supplying the biomass waste to the combustion chamber until sufficient gas is supplied to the combustion chamber; a maintaining step of adjusting the gas supply and / or the biomass waste supply to the combustion chamber so that the internal temperature of the heat-conducting shell is maintained within a predetermined range for a predetermined time, and then stopping the gas supply and the biomass waste supply to the combustion chamber; a discharging step, moving the rear end of the carbonization bin out of the heat preservation box, unloading the carbonized material, and then resetting the carbonization bin; and The cooling step comprises spraying water on the carbonized material to cool it down during and / or after the discharging step.

[0008] By implementing the technical solution of this application, the following beneficial effects can be achieved.

[0009] The present application discloses a mobile carbonization device for treating biomass waste and an intermittent carbonization method thereof. The mobile carbonization device includes a trailer, a carbonization unit and a recovery unit. In the carbonization unit, the carbonization bin is located in a heat-conducting shell, and the heat-conducting shell is installed in an insulation box. The top surface of the carbonization bin is open, and the back is a bin door. The bottom surface is provided with rollers or sliders, and at least one-half of the heat-conducting shell and the insulation box can be moved out from the back side. The gap between the heat-conducting shell and the inner wall of the bottom surface of the insulation box serves as a combustion chamber, and the gap between the heat-conducting shell and the other sides of the insulation box serves as a flue gas channel. The recovery unit is used to separate the escape from the carbonization bin, collect the obtained liquid components and send the obtained gas into the combustion chamber. The above-mentioned mobile carbonization equipment can perform intermittent carbonization on various types of biomass waste and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The following drawings should be used in conjunction with the detailed description.

[0011] Figure 1 is a perspective view of the mobile carbonization equipment in Example 1, showing a side door; Figure 2 yes Figure 1 Another perspective view of the mobile carbonization equipment shown; Figure 3 yes Figure 1 A top view of the mobile carbonization equipment shown; Figure 4 yes Figure 1 The right side view of the mobile carbonization equipment is shown, with the right cladding plate of the heat preservation box and the right side of the heat-conducting shell removed. The black arrow indicates the front, and the hollow arrow indicates the direction of gas flow; Figure 5 yes Figure 1 A partial rear view of the mobile carbonization equipment is shown, with the rear door of the insulated box removed; Figure 6 This is a bottom view of the carbonization bin in Example 1, showing six unloading doors, with black arrows pointing to the front. DETAILED DESCRIPTION

[0012] The following describes embodiments with reference to the accompanying drawings.

[0013] In this specification, unless otherwise specified, "one embodiment", "some embodiments" and "other embodiments" are used to distinguish different embodiments and do not refer to all embodiments. The accompanying drawings are schematic diagrams, not scale drawings. The directions / positions indicated by top, bottom, center, edge, inside, outside, far, near, length, width, vertical, horizontal, up, down, front, back, left, right, etc. are based on the observation angle of the accompanying drawings and cannot be understood as the components / devices being located in specific positions or facing specific directions. Ordinal words such as first, second, third, etc. do not have a sequential meaning when used to distinguish components / devices with the same function / name.

[0014] Example 1 Disclosed is a mobile carbonization device for treating biomass waste, hereinafter referred to as "mobile carbonization device".

[0015] See also Figure 1 、 Figure 2 and Figure 3 The mobile carbonization equipment includes a trailer 10, a vehicle-mounted bracket 20, a carbonization unit, a recovery unit 50, a purification unit 60 and an electronic control unit 70, and also includes a water spray pump, a water spray pipe 91 and a blower 93.

[0016] Please note that the above-mentioned water spray pump and the spray tower described below are not drawn in the accompanying drawings. The spray tower described below should be installed in the top blank area 21 of the front part of the vehicle-mounted bracket 20, adjacent to the cooling tower 52.

[0017] The four corners of the trailer 10 frame are equipped with stoppers 11 to facilitate the installation and positioning of the vehicle-mounted bracket 20. A towing eye 12 is provided on the front side of the trailer 10 frame for connecting to a towing vehicle. The rear wheels of the trailer 10 are positioned close to the rear end of the frame to prevent the front of the trailer 10 from tilting when "moving out of the carbonization bin 40" is described below.

[0018] The top surface of the vehicle-mounted bracket 20 is fixedly mounted with the recovery unit 50, the purification unit 60, the electric control box 71, the blower 93 and the carbonization unit. The vehicle-mounted bracket 20 and the equipment thereon are detachably mounted on the trailer 10 by a crane.

[0019] See also Figure 4 and Figure 5 The carbonization unit includes an insulated box 30, a heat-conducting shell 80, and a carbonization chamber 40. The carbonization chamber 40 is located within the heat-conducting shell 80, which is fixedly mounted within the insulated box 30. Except for the connecting pipelines, the main equipment of the purification unit 50 and the recovery unit 60 are located in front of the insulated box 30.

[0020] The carbonization bin 40 has an open top, a bin door 41 on its rear side, a discharge door 42 on its bottom, and two rows of rollers 43. These rollers 43 cooperate with a pair of bottom linear guide rails 81 described below, allowing at least half of the carbonization bin 40 to be moved out of the insulation box 30, allowing the discharge door to be located outside the insulation box for easy unloading.

[0021] See also Figure 6 The bottom of the carbonization bin 40 includes a six-grid frame and six discharge doors 42, each of which is hinged on a middle beam extending along the length direction. Figure 6 The lock of the discharge door is not shown.

[0022] The main body of the thermal insulation box 30 is a rectangular prism extending forward and backward. It features a double-layer insulation structure, consisting of an inner frame and a double-layer cladding. The inner wall of the thermal insulation box 30 is lined with a thermal storage ceramic fiber board layer, with the interlayer filled with an aerosol insulation layer. Specifically, the side walls of the thermal insulation box are lined with the thermal storage ceramic fiber board layer and the aerosol insulation layer, arranged in a sequence from the inside out.

[0023] The bottom of the heat preservation box is provided with a porous plate 35 to allow the air required for combustion to pass through. A damper 37 is provided on the upper front side of the heat preservation box 30 to adjust the oxygen content inside the heat-conducting shell 80. A rear door 33 is provided on the upper rear side of the heat preservation box 30 to facilitate operation of the carbonization chamber 40.

[0024] The rear side of the heat-conducting shell 80 is configured to be connected to the opening of the rear door 33. The bottom inner wall of the heat-conducting shell 80 is provided with a pair of bottom linear guide rails 81 extending forward and backward to move the carbonization bin 40 so that the discharge door of the carbonization bin 40 is located outside the insulation box.

[0025] The distance between the heat-conducting shell 80 and the inner wall of the bottom surface of the heat-insulating box 30 is large, and this distance is configured as a combustion chamber 301. The distance between the heat-conducting shell 80 and the other side surfaces of the heat-insulating box 30 is small, and these distances are configured as a flue gas channel 302 surrounding the heat-conducting shell 80.

[0026] Two escape ports, arranged in a front-to-back direction, are located in the center of the top surface of the heat-conducting shell 80 to allow emissions (i.e., volatiles) from the carbonization chamber to escape. These escape ports are connected to a recovery unit 50. Recovery unit 50 is used to separate the emissions, collect the resulting liquid components, and deliver the resulting gas to the combustion chamber 301. The recovery unit 50, connected to the interior of the heat-conducting shell 80 at its top surface, returns the separated gas to the insulated box 30 for combustion.

[0027] The recovery unit 50 includes a collecting pipe 51 , a condensing tower 52 , a gas return pipe 53 , a plurality of combustion pipes 54 , a discharge pipe 55 and a liquid collection tank 56 .

[0028] One end of the collecting pipe 51 penetrates the top surface of the heat-insulating box 30 and connects to the two aforementioned escape ports on the top surface of the heat-conducting shell 80, thereby connecting to the interior of the heat-conducting shell 80. The other end of the collecting pipe 51 is connected to the input port of the condensing tower 52. The condensing tower 52 is equipped with a multi-stage distillation plate or multiple layers of filler, using air or water as a refrigerant to cool the escape from the carbonization bin 40 and separate the liquid and gaseous components. The collecting tank 56 is used to collect the liquid components produced by the condensing tower 52. The return gas pipe 53 is used to deliver the gas produced by the condensing tower 52 to the combustion chamber 301. All combustion pipes 54 are located in the combustion chamber 301 and are connected in parallel to the end of the return gas pipe 53. They are equipped with multiple gas nozzles so that the burning gas can evenly heat the bottom surface of the heat-conducting shell 80. The discharge pipe 55 is used to empty the moisture produced by the condensing tower 52 in the early stages of the carbonization process.

[0029] Specifically, a regulating valve is provided on the return air pipe 53, and the discharge pipe 55 is connected to the return air pipe 53 upstream of the regulating valve. A switch valve is provided on the discharge pipe 55. Please note that the regulating valve and switch valve are electrically operated valves, but are shown as manual valves in the drawings for ease of identification.

[0030] The right side of the combustion chamber 301 is provided with a side door 31 for feeding solid fuel. The front side of the combustion chamber 301 is provided with a blast port 36 for connecting the blower 93. The bottom surface of the combustion chamber 301 is configured as the above-mentioned porous plate 35 to allow the air required for combustion to pass through.

[0031] The side door 31 is a double-layered structure, consisting of an inner sliding door panel 312 and an outer hinged door panel 311. The sliding door panel 312 is attached to a slide rail (not shown) on the side of the insulated box 30, allowing for vertical translation and hovering. The hinged door panel 311 is hinged at its bottom edge to the edge of the insulated box 30. When closed, it covers the sliding door panel 312. When opened, it extends perpendicular to the side of the insulated box 30, serving as a solid fuel support.

[0032] The flue gas duct 302 surrounds the left, right, front, and top surfaces of the heat-conducting shell 80. The flue gas duct 302 has two flue gas outlets, located in the middle of the top surface of the heat-insulating box 30, arranged in a front-to-back direction. Both outlets are connected to the purification unit 60. The purification unit 60 is used to process the flue gas generated by the combustion chamber 301.

[0033] The purification unit 60 includes a flue gas pipe 61, an exhaust fan 62, a water storage tank 63 and a spray tower (not shown in the drawings).

[0034] One end of the smoke pipe 61 is connected to the air inlet of the exhaust fan 62. The other end of the smoke pipe 61 is connected to the two smoke outlets of the smoke channel 302.

[0035] The exhaust pipe of the exhaust fan 62 has a branch leading to the spray tower, and a spare branch for connecting to a straw burning flue gas treatment device disclosed in CN103894054A / 2014. The spare branch can also be led into a temporarily prepared loose soil pile, thereby simply treating the flue gas when water is scarce.

[0036] The spray tower is used to spray the treatment liquid to purify the flue gas. The water storage tank 61 is used to store water. The water in the water storage tank 63 is used to prepare the treatment liquid, cool the condensing tower 52, and provide weight for the mobile carbonization equipment.

[0037] The water in the water tank 61 is also used to spray and cool the carbonized straw. Specifically, the water inlet of a water pump (not shown) is connected to the water tank 63 via a pipeline. One end of a water spray pipe 91 is connected to the water pump's outlet. The other end of the water spray pipe 91 is located on the top surface of the insulated box 30, adjacent to the rear door 33, and is equipped with a set of rearward-facing water spray holes 91a.

[0038] The electronic control unit 70 includes a main controller, a temperature sensor 72 , an air pressure sensor 73 and four weighing sensors 78 .

[0039] The main controller, located in the electrical control box 71, is configured as an embedded computer system including a wireless communication module. The main controller is pre-installed with application software that controls the regulating valve, the on / off valve, the water spray pump, the damper 37, the blower 93, the movement mechanism of the carbonization bin 40, the hydraulic mechanism of the trailer 10, and the ignition mechanism of the combustion chamber 301.

[0040] The temperature sensor 72 and the pressure sensor 73 are respectively embedded in the heat preservation box 30, and the sensing probes of the two are both located in the heat-conducting shell 80. The two are respectively electrically connected to the main controller for monitoring the internal temperature and internal pressure of the heat-conducting shell 80.

[0041] Four load cells 78 are mounted at the four corners of the bottom surface of the vehicle-mounted bracket 20 and are electrically connected to the main controller. They monitor the load changes of the mobile carbonization equipment. When load monitoring is not required, the main controller controls the hydraulic mechanism of the trailer 10 to lift the vehicle-mounted bracket 20, thereby protecting the load cells 78.

[0042] The mobile carbonization equipment can be used to implement an intermittent carbonization method to treat biomass waste, such as field straw. The intermittent carbonization method includes the following steps.

[0043] S10. Feeding steps Open the rear door 33 and the bin door 41 , put a certain amount of straw into the carbonization bin 40 , close the bin door 41 and the rear door 33 ; open the side door 31 , and put an appropriate amount of straw into the combustion chamber 301 .

[0044] S20. Startup steps Close the regulating valve of the return air pipe 53, open the switch valve of the discharge pipe 55, ignite the straw in the combustion chamber 301, and continue to supply straw to the combustion chamber 301. When the internal temperature of the heat-conducting shell 80 reaches 250 degrees Celsius, open the regulating valve of the return air pipe 53, close the switch valve of the discharge pipe 55, and allow the gas to enter the combustion chamber 301; when the above-mentioned internal temperature reaches 500 degrees Celsius, stop supplying straw to the combustion chamber 301.

[0045] S30 Maintenance Step The gas supply and straw supply to the combustion chamber 301 are adjusted to keep the internal temperature of the heat-conducting shell 80 within the range of 400-600 degrees Celsius for 0.5-3 hours, and then the gas supply and straw supply to the combustion chamber 301 are stopped.

[0046] S40. Discharging step Move at least half the rear length of the carbonization bin 40 out of the insulation box 30. Open the unloading door located outside the insulation box to unload the carbonized straw from the carbonization bin 40. Then, return the carbonization bin 40 completely to the insulation box 30. While removing the carbonization bin 30, turn on the water spray pump to cool the hot carbonized straw. After unloading, continue to spray water to cool the hot carbonized straw. The adsorbed water content of the carbonized straw should be controlled to avoid affecting subsequent straw return to the field.

[0047] The technical advantages of this mobile carbonization equipment are: 1) A removable carbonization bin is used. The top of the carbonization bin is open, the back is a bin door, and the bottom is equipped with a discharge door. Materials can be added from the open top or the bin door, and can be discharged from the bin door and the discharge door. The operation methods are diverse and can carbonize various wastes from farmland, woodland and grassland, and can also process powdery industrial waste; 2) It uses an integrated combustion chamber and flue gas channel. The combustion chamber is located below the heat-conducting shell, and the flue gas channel surrounds the front, left, right, and top surfaces of the heat-conducting shell. This system has high heat transfer efficiency and a heat transfer path similar to that of traditional charcoal burning devices. It also has controllable environmental pollution, reliable performance, and simple operation, making it easier to promote in rural markets. 3) The final assembly weight can be controlled at 3 to 8 tons. When used in conjunction with small harvesters, small charcoal fertilizer manufacturing equipment, and small spreading agricultural machinery for on-site operations in the fields, it can shorten the technical chain of organic compound fertilizers, reform the organic compound fertilizer industry model, and promote the delivery of scientific and technological services to rural areas. It is suitable for the current agricultural situation in many regions at home and abroad.

[0048] Example 2 Another mobile carbonization device for processing biomass waste is disclosed.

[0049] The mobile carbonization equipment is based on the first embodiment and has the following improvements.

[0050] The vehicle-mounted bracket 20 is eliminated, and the carbonization unit, the recovery unit 50 , the purification unit 60 , the electronic control unit 70 , the water spray pump, the water spray pipe 91 and the blower 93 are all directly arranged on the trailer 10 .

[0051] Four weighing sensors 78 are distributed and assembled at the bottom corners of the thermal insulation box 30 and are electrically connected to the main controller for monitoring the load changes of the thermal insulation box 30.

[0052] Other aspects of the mobile carbonization equipment are basically the same as those in the first embodiment.

[0053] Example 3 Disclosed is a vehicle-mounted carbonization device for processing biomass waste.

[0054] The vehicle-mounted carbonization equipment is based on the first embodiment and has the following improvements.

[0055] The trailer 10 is removed and hoisted onto a transport vehicle before use and unloaded from the transport vehicle after use.

[0056] Other aspects of the mobile carbonization equipment are basically the same as those in the first embodiment.

[0057] In other embodiments, the heat-insulating box, heat-conducting shell, and carbonization chamber are all shaped like pentagonal prisms, hexagonal prisms, octagonal prisms, elliptical prisms, or deformed cylinders with flattened bottoms, and the outer surface of the heat-conducting shell is provided with fins or concave-convex patterns. This structure can reduce the height of the heat-insulating box and increase the heat exchange area of the heat-conducting shell.

[0058] In other embodiments, the flue gas escaping from the flue gas outlet is piped into a temporary pile of loose earth or a pool of water. This structure allows for simple flue gas treatment using the temporary pile of earth or the temporary pool. In other words, in a mobile (or vehicle-mounted) carbonization apparatus, the purification unit 60 of the first embodiment can be replaced by a temporary pile of earth or the temporary pool of water.

[0059] In another embodiment, the carbonization bin is not provided with a discharge door, and the pipeline located on the top surface of the heat preservation box is a hose with redundant length; when unloading, the front of the heat preservation box is lifted up by a hydraulic mechanism, allowing the carbonized material to pour out from the carbonization bin door.

[0060] In another embodiment, the portion of the water spray pipe with the water spray hole is located below the rear door. This structure allows water spraying to cool the high-temperature carbonized material during and after unloading. Regardless of the method used for water spraying, the adsorbed water content of the carbonized material must be controlled to avoid affecting subsequent carbonization processing.

[0061] In other embodiments, the mobile (or vehicle-mounted) carbonization equipment described above can be used to process other biomass wastes, such as forest waste, autumn and winter pasture waste, sawdust, and paper cutting scraps. The specific carbonization process and the solid fuel used in the startup steps should be adaptively adjusted according to the specific scenario.

[0062] The above embodiments, application examples, and technical analysis are intended to introduce the technical concepts and features of this application and enable those skilled in the art to implement the technical solutions of this application. They do not constitute limitations on the scope of protection claimed. Simple modifications and equivalent transformations of the embodiments are within the scope of protection claimed.

Claims

1. A mobile carbonization device for processing biomass waste, comprising a trailer (10), a carbonization unit and a recovery unit (50) located on the trailer (10); It is characterized in that The carbonization unit comprises: An insulated box (30) is cylindrical and extends in the front-to-back direction, and a rear door (33) is provided on the upper portion of the rear side surface; A heat-conducting shell (80) is fixedly disposed in the heat-insulating box (30), with a rear side configured as an opening docking with the rear door (33), a larger spacing from the inner wall of the bottom surface of the heat-insulating box (30), and the spacing is configured as a combustion chamber (301), while a smaller spacing from other side surfaces of the heat-insulating box (30) is configured as a smoke channel (302), and a smoke outlet of the smoke channel (302) is located on the top surface of the heat-insulating box (30); and a carbonization bin (40) with an open top surface, located in the heat-conducting shell (80), at least one half of which can be moved out of the heat-insulating box (30) through the rear door (33); The recovery unit (50) is connected to the interior of the heat-conducting shell (80) on the top surface of the heat-conducting shell (80), and is used to separate the escaped matter from the carbonization bin (40), collect the obtained liquid components, and send the obtained gas into the combustion chamber (301); The bottom inner wall of the heat-conducting shell (80) is provided with a pair of bottom linear guide rails (81) extending forward and backward; The carbonization bin (40) has a bin door (41) configured on the rear side, and a plurality of sliders or rollers are provided on the bottom surface to cooperate with the pair of bottom linear guide rails (81).

2. The mobile carbonization equipment according to claim 1, characterized in that The combustion chamber has a side door on the left or right side and an air blast port on the front side; The side door is used for feeding solid fuel, and the air blast port is used for connecting a blower.

3. The mobile carbonization equipment according to claim 2, characterized in that The side door comprises: A sliding door panel is attached to the side of the thermal insulation box and can move up and down and hover; and A hinged door panel is hinged to the edge of the heat preservation box at its bottom edge, covers the sliding door panel when closed, and is perpendicular to the side of the heat preservation box when opened.

4. The mobile carbonization equipment according to claim 2, characterized in that Also includes: A purification unit is connected to the flue gas outlet and is used for processing the flue gas.

5. The mobile carbonization equipment according to claim 4, characterized in that: The purification unit comprises: a water storage tank for storing water used to prepare the treatment fluid; a spray tower for spraying treatment liquid to purify flue gas; an exhaust fan, the exhaust pipe of which leads to the spray tower; and A smoke pipe has one end connected to the air inlet of the exhaust fan and the other end connected to the smoke outlet of the smoke channel.

6. The mobile carbonization equipment according to claim 5, characterized in that Also includes: a water spray pump, the water inlet of which is connected to the water storage tank through a pipeline; as well as A water spray pipe has one end connected to the drain outlet of the water spray pump and the other end located on the top surface of the heat preservation box, close to the rear door, and provided with a group of water spray holes facing rearward.

7. The mobile carbonization equipment according to claim 1, characterized in that Also included is an electronic control unit, which includes: a main controller configured as an embedded computer system including a wireless communication module, located in an electrical control box on the trailer; at least one temperature sensor, electrically connected to the main controller, for monitoring the internal temperature of the heat-conducting shell; and A plurality of weighing sensors are distributed and assembled at the bottom corners of the thermal insulation box and electrically connected to the main controller for monitoring the load changes of the thermal insulation box.

8. The mobile carbonization equipment according to claim 1, characterized in that: The side wall of the heat preservation box is provided with a heat storage ceramic fiber board layer and an aerosol heat insulation layer which are distributed in sequence from the inside to the outside.

9. The vehicle-mounted carbonization equipment according to claim 1, characterized in that: The recovery unit comprises: a collecting pipe, one end of which is connected to the interior of the heat-conducting shell at the top surface of the heat-conducting shell; a condensation tower, the input port of which is connected to the other end of the collecting pipe, and is equipped with a multi-stage distillation plate or a multi-layer filler, and uses air or water as a refrigerant to cool the escaped matter from the carbonization bin to separate the liquid component and the gaseous component; a liquid collecting tank for collecting the liquid components produced by the condensation tower; a gas return pipe for delivering the gas produced in the condensation tower into the combustion chamber; and A discharge pipe is configured as a branch of the return air pipe and is used to discharge the water produced by the condensation tower in the early stage of the carbonization process.

10. An intermittent carbonization method for treating biomass waste, which can be implemented using the mobile carbonization equipment according to any one of claims 1 to 9, characterized in that Including in order: A feeding step of feeding a quantitative amount of biomass waste into the carbonization bin and feeding an appropriate amount of biomass waste into the combustion chamber; a startup step of igniting the biomass waste in the combustion chamber and continuously supplying the biomass waste to the combustion chamber until sufficient gas is supplied to the combustion chamber; a maintaining step of adjusting the gas supply and / or the biomass waste supply to the combustion chamber so that the internal temperature of the heat-conducting shell is maintained within a predetermined range for a predetermined time, and then stopping the gas supply and the biomass waste supply to the combustion chamber; a discharging step, moving the rear end of the carbonization bin out of the heat preservation box, unloading the carbonized material, and then resetting the carbonization bin; and The cooling step comprises spraying water on the carbonized material to cool it down during and / or after the discharging step.

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