Carbonization system

Abstract

The invention relates to the technical field of carbonization equipment, in particular to a carbonization system, a smoke discharge groove and a cracking groove are arranged at the bottom of a carbonization furnace and respectively cover a heat exchange plate and a heat conduction plate, and a smoke discharge flue is arranged at the bottom of the carbonization furnace, so that the downward smoke discharge design is adopted, and smoke can be prevented from being discharged outwards in the carbonization process to a certain extent. The heat conduction plate is used for conducting secondary cracking on substances such as tar in the smoke penetrating through the cracking groove, the combustion steam power generation device can conveniently combust water gas and combustible substances such as cracked tar in the smoke for power generation, and consumption of external electric energy is reduced for combustion power generation. And the heat exchange pipes penetrating through the heat exchange plates can heat water supplied to the combustion steam power generation device and the vaporizing spraying pipe, and the energy utilization rate of biomass is increased. The cooling carbon stacking chamber is used for receiving high-temperature carbon discharged by the carbonization furnace, and high-temperature water mist is sprayed out in cooperation with the vaporization spraying pipe, so that the high-temperature carbon is cooled, water gas can be prepared, and two purposes are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of carbonization equipment, and in particular to a carbonization system. Background Art

[0002] At present, after the harvest of crops, such as sugarcane and rice, the most common way to deal with the residues after the harvest is to burn them on site, in addition to the traditional use of piling up for composting. However, on-site burning easily produces a lot of smoke and dust, which is highly polluting, and also produces a lot of waste, and the energy in these biomass cannot be recovered. In addition to the above-mentioned treatment methods, the more economical treatment methods at present are crushing and returning to the field and centralized incineration. Although crushing and returning to the field is simple to operate, the crushed crop branches are directly sprayed on the farmland without composting treatment, so it is easy to change the soil properties and form a layer of incompletely decomposed humus in the soil layer. In addition to affecting the normal growth of the next season's crops, it is also easy to breed bacteria.

[0003] In view of the above situation, the patent with publication number CN112521966A discloses an efficient and environmentally friendly multi-kettle mobile plant carbonization furnace, which can convert wastes such as discarded branches, leaves, sawdust, farm straw, crop branches and leaves and residues into biochar, realizing the reuse of solid waste; at the same time, the flue gas is purified and the water source is recycled during the carbonization process, saving resources and preventing air pollution. However, in this patent, the negative pressure machine and the centrifugal water pump require a large amount of electricity to operate. Therefore, when using the carbonization furnace in the field, it is often necessary to be in the area where the power grid is located or to bring a portable power generation device, which will limit the convenience of using the whole set of equipment. In the actual processing process, it often takes 5-10 hours for a furnace of biomass to be completely carbonized. Since the negative pressure machine and the centrifugal water pump need to keep running for a long time, the required power consumption is relatively large, and the carbonization cost increases. In addition, since the above-mentioned mobile carbonization system itself adopts an incomplete combustion method to make carbon, and the flue gas is directly purified by the flue gas purification system, this will result in the tar, carbon monoxide, hydrogen and other combustible substances in the flue gas discharged from the carbonization furnace not being fully utilized. The tar will adhere to the flue gas filter and the activated carbon adsorber, causing the flue gas purification system to fail, and carbon monoxide cannot be oxidized by the double alkali spray tower, so it is easy to cause a small amount of pollution in the process of external discharge. Summary of the invention

[0004] In order to overcome one of the deficiencies of the prior art, the purpose of the present invention is to provide a carbonization system, which can effectively recycle the combustible substances in the exhaust gas discharged during the carbonization process, improve the utilization rate of biomass, and also reduce the power consumption of the carbonization system.

[0005] To solve the above problems, the technical solution adopted by the present invention is as follows:

[0006] A carbonization system comprises a carbonization furnace, a cooling charcoal-pile chamber, a combustion steam power generation device, a flue gas purification device and a water supply device. A plurality of smoke exhaust slots are arranged in parallel at the bottom of the carbonization furnace, a cracking slot is arranged between two adjacent smoke exhaust slots, the side walls of the cracking slots are connected to the side walls of the smoke exhaust slots through a plurality of smoke exhaust ports, the openings of all the smoke exhaust slots are covered with a heat exchange plate, a heat exchange tube is arranged inside the heat exchange plate along the length direction, a plurality of smoke holes are penetrated on the heat exchange plate, and the cracking slot is covered with a heat conduction plate; a smoke exhaust duct is arranged on the carbonization furnace, and the smoke exhaust duct is connected to one end of all the cracking slots; a one-way connected charcoal exhaust port is arranged on one end of the carbonization furnace; a cooling charcoal-pile chamber is arranged at the bottom of the carbonization furnace and one end is connected to the charcoal exhaust port, the top of the cooling charcoal-pile chamber can conduct heat with the bottom of the carbonization furnace; the cooling charcoal-pile chamber A vaporization spray pipe is provided, and the inlet end of the vaporization spray pipe is connected with the output ends of all the heat exchange tubes; the charcoal stack chamber is unidirectionally connected with a gas mixing chamber, and the gas mixing chamber is connected with the smoke exhaust duct, and an air intake valve is unidirectionally provided on the gas mixing chamber; the feeding end of the combustion steam power generation device is connected with the gas outlet end of the gas mixing chamber; the flue gas purification device is used to suck and purify the exhaust gas discharged by the combustion steam power generation device; the water supply device can exchange heat with the air inlet end of the flue gas purification device, and the output end of the water supply device is connected with the combustion steam power generation device, all the heat exchange tubes and the flue gas purification device, and all the heat exchange tubes supply water to the combustion steam power generation device; a battery is provided in the combustion steam power generation device, and the battery provides electrical energy for the flue gas purification device and the water supply device, and part of the steam generated by the combustion steam power generation device is connected with the input end of the vaporization spray pipe.

[0007] Furthermore, the bottom of the cracking tank is higher than the bottom of the smoke exhaust tank, the cross-section of the heat conductive plate is U-shaped, the opening of the heat conductive plate is downward and inverted on the opening of the cracking tank, and at least part of the side wall of the heat conductive plate is located outside the opening of the cracking tank or higher than the top surface of the heat exchange plate. A plurality of fin plates are arranged in the heat conductive plate, and all the fin plates are staggered and the lower ends are in contact with the bottom of the cracking tank.

[0008] Furthermore, a heat-conducting rod is provided on one end of a part of the fin plates facing outward, and the heat-conducting rod can movably pass through the bottom of the carbonization furnace and extend into the cooling carbon stacking chamber.

[0009] Furthermore, the side walls of the heat conducting plates on both sides that are higher than the opening end surface of the cracking tank are partially deformable, and the outer side surfaces on both sides of each heat conducting plate abut against the outer side surface of the corresponding side of the heat exchange plate on the adjacent side.

[0010] Furthermore, the combustion steam power generation device includes a combustion chamber, a steam generator set and a boiler arranged outside the combustion chamber, the feed end of the combustion chamber is connected to the gas outlet end of the mixing chamber, the exhaust end of the combustion chamber is connected to the flue gas purification device, the outlet ends of all the heat exchange tubes are connected to the boiler in an openable and closable manner, the top of the boiler is connected to a steam storage box through a pipeline, the steam generator set is arranged on the pipeline, the steam storage box is also connected to the bottom of the boiler and a vaporization spray pipe through a pipeline, a pressure relief valve is arranged on the pipeline between the steam storage box and the vaporization spray pipe, and the steam generator set is electrically connected to the battery through an electronic regulator.

[0011] Furthermore, the water supply device includes a water tank, a supply pipe and a supply pump arranged on the supply pipe, and the water tank can perform heat exchange with the air inlet end of the flue gas purification device; the input end of the supply pipe is connected to the water tank, and the output end of the supply pipe is provided with multiple inlet ends of all the heat exchange tubes, the boiler in the combustion steam power generation device and the flue gas purification device, which are respectively connected.

[0012] Furthermore, the flue gas purification device includes a flue gas filter, a water washing tower, a spray tower, a tar filter, a negative pressure fan and a pressure regulating tower which are connected in sequence through pipelines; the output end of the water supply device is connected to the water washing tower and the spray tower respectively through a supply pipe; the input end of the flue gas filter is connected to the output end of the smoke exhaust duct; a discharge chimney is provided on the top of the pressure regulating tower; the drainage ends of the water washing tower and the spray tower are connected to a water circulation purification mechanism, and the water circulation purification mechanism is connected to the water supply device.

[0013] Furthermore, it also includes a carbon scraper device, which includes a drive motor, a pair of drive shafts and a drive chain group wound around the pair of drive shafts, the drive motor is electrically connected to the battery; the two drive shafts are rotatably installed on the two ends of the bottom of the carbonization furnace, one end of any drive shaft passes through the furnace wall of the carbonization furnace and is connected to the output end of the drive motor installed outside the carbonization furnace; a plurality of scraper mechanisms are arranged on the drive chain group, and the scraper mechanisms can push the burning carbon stacked on the heat exchange plate and the heat conduction plate into the carbon discharge port.

[0014] Furthermore, an avoidance port is provided on one end of the carbonization furnace away from the carbon discharge port, and the avoidance port is connected to the cooling carbon pile chamber. The two drive shafts are rotatably installed in the avoidance port and the carbon discharge port respectively. The drive chain group includes two parallel drive chains, one of which is wound around the same end of a pair of drive shafts, and the other drive chain is wound around the other end of a pair of drive shafts. Both ends of each scraper mechanism are respectively connected to the two drive chains. The two drive chains can enclose the area of ​​the carbonization furnace between the avoidance port and the carbon discharge port, so that the upper layers of the two drive chains pass through the platform formed by the heat exchange plate and the heat conduction plate, and the lower layers of the two drive chains pass through the cooling carbon pile chamber.

[0015] Furthermore, each of the scraper mechanisms includes two mounting seats, a swing shaft and a movable shift plate, the two mounting seats are respectively mounted on both sides of the drive chain group, the two ends of the swing shaft can be rotatably mounted on the two mounting seats, the swing shaft is provided with a main shift plate extending outward along the length direction, the two mounting seats are provided with limiting grooves on the opposite sides, the two ends of the main shift plate respectively extend into the limiting grooves at the corresponding ends, a plurality of plug posts are provided on the movable shift plate, a plurality of plug barrels cooperating with the plug posts are provided on the main shift plate, the plug posts can move along the axial direction of the plug barrel and cannot be pulled out of the plug barrel, and the movable shift plate can move away from or overlap on the main shift plate along the guide direction of the plug barrel.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] A carbonization system of the present invention improves the carbonization furnace, and a smoke exhaust trough and a cracking trough are arranged at the bottom of the carbonization furnace, and a heat exchange plate and a heat conduction plate are respectively covered. The smoke exhaust duct is arranged at the bottom of the carbonization furnace. In this way, the downward smoke exhaust design can avoid the smoke from being discharged to the outside during the carbonization process to a certain extent, and at the same time, the carbonization furnace can be designed to be open, which is convenient for placing the residual biomass of crops. The heat conduction plate can receive the heat of the ignited biomass, and is used to perform secondary cracking on the tar and other substances in the smoke passing through the cracking trough, so as to facilitate the combustion steam power generation device to burn and generate electricity. The heat exchange tube passing through the heat exchange plate can heat the water body supplied to the combustion steam power generation device and the vaporization spray pipe, so as to improve the energy utilization rate of the biomass. The cooling carbon stack chamber is used to receive the high-temperature carbon discharged by the carbonization furnace, and the vaporization spray pipe is used to spray high-temperature water mist. In this way, in addition to cooling the high-temperature carbon, water gas can also be prepared, killing two birds with one stone. The combustion steam power generation device can directly burn water gas and combustible substances such as cracked tar in the flue gas to generate electricity, which can provide power for the continuous operation of the flue gas purification device, reduce the consumption of external electricity, and thus reduce the cost of carbonization. In this application, the heat generated during the carbonization of crop biomass and the substances in the flue gas can be effectively used to generate electricity, and carbonization, flue gas purification, power generation and other operations can be performed simultaneously, achieving multiple goals at one stroke.

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of an embodiment of the present invention;

[0020] Figure 2 is a cross section of a carbonization furnace in an embodiment of the present invention Figure 1 ;

[0021] Figure 3 is a cross section of a carbonization furnace in an embodiment of the present invention Figure 2 ;

[0022] Figure 4 is a partial cross-sectional view of the interior of a carbonization furnace in an embodiment of the present invention;

[0023] Figure 5 It is a schematic structural diagram of the connection between the water supply device, the combustion steam power generation device, the flue gas purification device and the heat exchange pipe in an embodiment of the present invention;

[0024] Figure 6 It is a partial structural schematic diagram of a flue gas purification device in an embodiment of the present invention;

[0025] Figure 7 is a cross section of a carbonization furnace in another embodiment of the present invention Figure 1 ;

[0026] Figure 8 is a cross section of a carbonization furnace in another embodiment of the present invention Figure 2 ;

[0027] Fig. 9 It is a structural schematic diagram of a scraper mechanism in another embodiment of the present invention.

[0028] Description of Figure Numbers:

[0029] Carbonization furnace 100, smoke exhaust trough 110, cracking tank 120, smoke exhaust port 130, heat exchange plate 140, heat exchange tube 141, smoke through hole 142, heat conduction plate 150, fin plate 151, heat conduction rod 152, smoke exhaust duct 160, carbon exhaust port 170, avoidance port 180;

[0030] Cooling charcoal stack chamber 200, vaporization spray pipe 210, gas mixing chamber 220, air inlet door 230, charcoal outlet 240, heat preservation door 250;

[0031] Combustion steam power generation device 300, battery 310, combustion chamber 320, steam generator set 330, boiler 340, pipeline 350, steam storage tank 360, pressure relief valve 370, electronic regulator 380;

[0032] Flue gas purification device 400, pipeline 410, flue gas filter 420, water washing tower 430, spray tower 440, tar filter 450, negative pressure fan 460, pressure regulating tower 470, exhaust chimney 480;

[0033] Water supply device 500, water tank 510, supply pipe 520, supply pump 530, water circulation purification mechanism 540;

[0034] Coal scraping device 600 , driving motor 610 , driving shaft 620 , driving chain 630 , scraper mechanism 640 , mounting seat 641 , swing shaft 642 , movable dial plate 643 , main dial plate 644 , limiting groove 645 , plug column 646 , and plug cylinder 647 . DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0036] See also Figures 1 to 7The present application provides a carbonization system, including a carbonization furnace 100, a cooling charcoal chamber 200, a combustion steam power generation device 300, a flue gas purification device 400 and a water supply device 500. A plurality of smoke exhaust grooves 110 are arranged in parallel at the bottom of the carbonization furnace 100. A cracking groove 120 is arranged between two adjacent smoke exhaust grooves 110. The side walls of the cracking grooves 120 are connected to the side walls of the smoke exhaust grooves 110 through a plurality of smoke exhaust ports 130. The openings of all the smoke exhaust grooves 110 are sealed with heat exchange plates 140. The heat exchange plates 140 are provided with The heat exchange tube 141 is provided with a plurality of smoke holes 142 on the heat exchange plate 140, and the cracking tank 120 is covered with a heat conducting plate 150; the carbonization furnace 100 is provided with a smoke exhaust duct 160, and the smoke exhaust duct 160 is connected with one end of all the cracking tanks 120; a one-way connected carbon discharge port 170 is provided on one end of the carbonization furnace 100; a cooling carbon stacking chamber 200 is provided at the bottom of the carbonization furnace 100 and one end of the cooling carbon stacking chamber 200 is connected with the carbon discharge port 170, and the top of the cooling carbon stacking chamber 200 can conduct heat with the bottom of the carbonization furnace 100; The cooling charcoal stacking chamber 200 is provided with a vaporization spray pipe 210, the inlet end of the vaporization spray pipe 210 is connected to the output end of all the heat exchange tubes 141; the charcoal stacking chamber is unidirectionally connected to a gas mixing chamber 220, the gas mixing chamber 220 is connected to the exhaust duct 160, and an air intake valve 230 is unidirectionally provided on the gas mixing chamber 220; the feed end of the combustion steam power generation device 300 is connected to the gas outlet end of the gas mixing chamber 220; the flue gas purification device 400 is used to suck and purify the exhaust gas discharged by the combustion steam power generation device 300; the water supply device 500 can be connected to the flue gas. The air inlet end of the flue gas purification device 400 performs heat exchange, and the output end of the water supply device 500 is connected to all the heat exchange tubes 141, the combustion steam power generation device 300, and the flue gas purification device 400, and all the heat exchange tubes 141 supply water to the combustion steam power generation device 300; a battery 310 is arranged in the combustion steam power generation device 300, and the battery 310 provides electrical energy for the flue gas purification device 400 and the water supply device 500, and part of the steam generated by the combustion steam power generation device 300 is connected to the input end of the vaporization spray pipe 210.

[0037] Among them, the combustion steam power generation device 300 can be a conventional boiler-type steam power generation unit, such as patent CN201610275212.X-A steam boiler system with power generation function and its working method or CN200920065498.4-A technology in a sintering waste heat power generation system. The flue gas purification device 400 can be a conventional flue gas treatment system, such as using a conventional spray tower structure for purification. Since biomass is burned, the tail gas generally only contains particulate matter tar, carbon monoxide, a small amount of nitrogen oxides, water, etc., so the whole flue gas treatment system can be relatively simple, and can adopt, for example, patent CN201710579664.1-A biomass combustion tail gas treatment system and treatment process or CN201911223709.7-A biomass combustion furnace that can effectively treat tar in tail gas.

[0038] In addition, since the main purpose of this application is to make charcoal, the top of the carbonization furnace 100 can be in an open state to facilitate the addition of biomass at any time, or it can be in a closed state with only one air inlet, so that the carbonization furnace 100 can be in an incomplete combustion state. If the top of the carbonization furnace 100 can be in an open state, biomass can be continuously piled on the top and water can be sprayed, so that the bottom of the carbonization furnace 100 can be guaranteed to be incompletely burned, thereby ensuring the charcoal making effect. The above two settings can be selected according to actual needs. In this application, it is preferred that the top of the carbonization furnace 100 is an open setting, which is convenient for continuous biomass charcoal making operations in the field and for external equipment to add biomass.

[0039] It should be noted that in the present application, since carbonization is carried out in the wild, the carbonization furnace 100 and the cooling carbon stack chamber 200 can be integrated into a whole, the combustion steam power generation device 300, the flue gas purification device 400 and the water supply device 500 can be integrated into a module respectively, and they can be connected through a connecting structure, especially the pipeline structure of the water supply device 500 to supply water to the combustion steam power generation device 300 and the flue gas purification device 400 can be connected by a joint flange, and the combustion steam power generation device 300 and the mixing chamber 220, and the combustion steam power generation device 300 and the flue gas purification device 400 can also be connected by connecting flanges, which is convenient for rapid assembly in the field and also convenient for later dismantling and transportation.

[0040] The carbonization system improves the carbonization furnace 100, and sets a smoke exhaust groove 110 and a cracking groove 120 at the bottom of the carbonization furnace 100, and covers the heat exchange plate 140 and the heat conduction plate 150 respectively. The smoke exhaust duct 160 is set at the bottom of the carbonization furnace 100. The downward smoke exhaust design can avoid the emission of smoke to the outside during the carbonization process to a certain extent, and can also make the carbonization furnace 100 open, which is convenient for placing the residual biomass of crops. The heat conduction plate 150 can receive the heat of the ignited biomass, which is used to perform secondary cracking on the tar and other substances in the smoke passing through the cracking groove 120, so as to facilitate the combustion steam power generation device 300 to burn and generate electricity. The heat exchange tube 141 passing through the heat exchange plate 140 can heat the water body supplied to the combustion steam power generation device 300 and the vaporization spray pipe 210, thereby improving the energy utilization rate of the biomass. The cooling charcoal chamber 200 is used to receive the high-temperature charcoal discharged from the carbonization furnace 100, and the vaporization spray pipe 210 is used to spray high-temperature water mist. In this way, in addition to cooling the high-temperature charcoal, water gas can also be prepared, killing two birds with one stone. The combustion steam power generation device 300 can directly burn water gas and combustible substances such as cracked tar in the flue gas to generate electricity, which can provide power for the continuous operation of the flue gas purification device 400, reduce the consumption of external electricity, and thus reduce the cost of carbonization. In this application, the heat generated during the carbonization of crop biomass and the substances in the flue gas can be effectively utilized to generate electricity, and carbonization, flue gas purification, power generation and other operations can be performed simultaneously, killing two birds with one stone.

[0041] See also Figure 2 and Figure 4 The carbonization furnace 100 is designed as a box structure, which is convenient for hoisting and construction, and its inner wall is paved with a refractory brick structure. The carbonization furnace 100 and the cooling charcoal pile chamber 200 are integrated structures, so the inner wall of the cooling charcoal pile chamber 200 is also paved with a refractory brick structure, and the two are isolated by a heat-conducting plate or structure, such as carbon bricks or silicon carbide bricks. In addition to being wear-resistant, these materials can also have high strength, low thermal expansion coefficient, strong thermal conductivity, and strong resistance to thermal shock at high temperatures. At the same time, they have high thermal conductivity, which is conducive to transferring part of the heat of the carbonization furnace 100 to the cooling charcoal pile chamber 200, ensuring the heat required for the high-temperature charcoal in the cooling charcoal pile chamber 200 to react with water vapor. The above-mentioned cracking tank 120 and smoke exhaust trough 110 are both arranged on the above-mentioned heat-conducting plate or structure, wherein the cracking tank 120 and smoke exhaust trough 110 can be built with a heat-conducting refractory structure.

[0042] In the improved scheme of the above-mentioned embodiment, in order to facilitate the cracking of tar in the flue gas, the bottom of the cracking tank 120 is higher than the bottom of the smoke exhaust tank 110, the cross-section of the heat conducting plate 150 is U-shaped, and the opening of the heat conducting plate 150 is downward and inverted on the opening of the cracking tank 120. Such an arrangement facilitates the incompletely burned biomass at the bottom of the carbonization furnace 100 to effectively heat the three sides of the bottom of the entire heat conducting plate 150, which is beneficial to the high-temperature cracking of the tar in the flue gas channel formed by the cracking tank 120 and the heat conducting plate 150. The substances after the high-temperature cracking of the tar are mainly light aromatic hydrocarbons, hydrogen, carbon monoxide and methane, etc., light aromatic hydrocarbons such as benzene, toluene, ethylbenzene, xylene and naphthalene, etc., all of which are combustible substances. Therefore, most of the gases in the flue gas channel formed by the cracking tank 120 and the heat conducting plate 150 are combustible substances, which is beneficial to the combustion steam power generation device 300 to fully burn these flue gases, thereby realizing flue gas purification and energy recovery. In addition, in order to facilitate the heating of the heat conducting plate 150 by the burning biomass, at least a part of the side wall of the heat conducting plate 150 is located outside the opening of the cracking tank 120 or higher than the top surface of the heat exchange plate 140. In addition, in order to better heat the gas passing through the flue gas channel formed by the cracking tank 120 and the heat conducting plate 150, a plurality of fins 151 are arranged in the heat conducting plate 150, all of which are arranged in an interlaced manner and the lower ends are in contact with the bottom of the cracking tank 120. Such an arrangement can use the fins 151 to support the entire heat conducting plate 150, and the heat conducting plate 150 is made of conventional steel plates. In this embodiment, the strength of the heat conducting plate 150 decreases after being heated, and at the same time, it accumulates the weight of the biomass, so the fins 151 are designed to prevent the heat conducting plate 150 from being compressed and deformed during the heating process. At the same time, the fin plate 151 can also slow down the flow rate of the gas passing through the flue gas channel formed by the cracking tank 120 and the heat conducting plate 150, increase its residence time, and ensure that the tar in the flue gas can be fully cracked. In addition, the fin plate 151 can also heat the gas passing through the middle of the flue gas channel formed by the cracking tank 120 and the heat conducting plate 150, ensuring that the gas is heated evenly and at the required temperature during the cracking process. Such a structural design achieves three goals at one stroke.

[0043] In order to facilitate installation and fixation, installation positions are set on both sides of the opening of the cracking tank 120, so that the two sides of the opening of the heat conducting plate 150 can be clamped on the installation positions. At the same time, the two sides of the opening of the heat conducting plate 150 also form a stacking structure to facilitate cooperation with the installation positions.

[0044] See also Figure 2 and Figure 4In one embodiment of the present application, in order to better transfer heat to the cooling charcoal pile chamber 200 and ensure the temperature required for the high-temperature charcoal in the cooling charcoal pile chamber 200 to react with water vapor, a heat-conducting rod 152 is provided on the outward end of a portion of the fin plate 151, and the heat-conducting rod 152 can move through the bottom of the carbonization furnace 100 and extend into the cooling charcoal pile chamber 200. The portion of the heat-conducting rod 152 located in the cooling charcoal pile chamber 200 can be designed as a conventional fin structure. The lower end of the heat-conducting rod 152 is located at the top of the cooling charcoal pile chamber 200, so that the top of the cooling charcoal pile chamber 200 can be heated and the water mist sprayed by the vaporization spray pipe 210 can be adapted to ensure that the high-temperature charcoal in the cooling charcoal pile chamber 200 reacts with the water mist or steam. In addition, the heat-conducting rod 152 can also play a role in fixing the heat-conducting plate 150 on the cracking tank 120, achieving two goals at one stroke.

[0045] In the above-mentioned embodiment, since the heat conductive plate 150 and the heat exchange plate 140 basically have the problem of thermal deformation, in order to avoid the heat conductive plate 150 and the heat exchange plate 140 being deformed by heat and squeezed against each other and warping during continuous high-temperature baking, the side walls of the heat conductive plate 150 on both sides are higher than the partial area of ​​the opening end surface of the cracking tank 120 and can be deformed, and the outer side surfaces on both sides of each heat conductive plate 150 are abutted against the outer side surfaces of the corresponding side of the heat exchange plate 140 on the adjacent side. Such a design ensures that even if the heat exchange plate 140 is deformed, the heat conductive plate 150 between the two heat exchange plates 140 will not be squeezed up, thereby ensuring the integrity of the flue gas channel formed by the entire cracking tank 120 and the heat conductive plate 150, and avoiding affecting the cracking efficiency of tar in the flue gas.

[0046] See also Figure 2 and Figure 3 In order to facilitate the removal of the charcoal in the cooling charcoal stacking chamber 200 at a later time, in one embodiment of the present application, a charcoal outlet 240 that can be opened and closed is provided at one end of the cooling charcoal stacking chamber 200 away from the charcoal discharge port 170, and a heat preservation door 250 is provided on the charcoal outlet 240, and the heat preservation door 250 is in a normally closed state. In addition, in order to facilitate the discharge of charcoal, the bottom of the cooling charcoal stacking chamber 200 is inclined, that is, the height of one end of the charcoal outlet 240 is lower than the height of one end of the charcoal discharge port 170, so that the burning charcoal dropped from the charcoal discharge port 170 can naturally roll down to one end of the charcoal outlet 240.

[0047] In an improved embodiment, in order to facilitate the rapid cooling of the high-temperature charcoal in the cooling charcoal pile chamber 200 at a later stage, a water inlet pipe is provided at the bottom of the cooling charcoal pile chamber 200, wherein the water inlet pipe is connected to the water supply device 500 by a pipeline, so that the high-temperature charcoal can be quickly cooled after the biomass is processed at a later stage. It should be noted that the cooling charcoal pile chamber 200 will only be rapidly cooled when the entire biomass has completely reacted, otherwise it will affect the efficiency of the reaction between the high-temperature charcoal in the cooling charcoal pile chamber 200 and the water vapor and the normal progress of the entire reaction.

[0048] See also Figure 1 5, in order to better generate electricity and eliminate combustible substances in flue gas, in one embodiment of the present application, the combustion steam power generation device 300 includes a combustion chamber 320, a steam generator set 330 and a boiler 340 arranged outside the combustion chamber 320, the feed end of the combustion chamber 320 is connected to the gas outlet end of the gas mixing chamber 220, the exhaust end of the combustion chamber 320 is connected to the flue gas purification device 400, and the outlet end of all the heat exchange tubes 141 can be connected to the boiler 340. The top of the boiler 340 is connected to the steam storage box 360 through a pipe 350, and the steam generator set 330 is arranged on the pipe 350. The steam storage box 360 is also connected to the bottom of the boiler 340 and the vaporization spray pipe 210 through the pipe 350. A pressure relief valve 370 is arranged on the pipe 350 between the steam storage box 360 and the vaporization spray pipe 210, and the steam generator set 330 is electrically connected to the battery 310 through an electronic regulator 380.

[0049] Among them, the steam generator set 330 is a conventional structure, which is not described in detail in this application. In fact, the pipeline 350, the steam storage box 360, and the boiler 340 constitute a closed circulation pipeline. This set of circulation pipelines constitutes the simplest steam power generation pipeline, which is convenient for users to transfer and assemble in the field. The water in the heat exchange tube 141 is heated by the high-temperature carbon at the bottom of the carbonization furnace 100. In this way, when water is replenished to the boiler 340, the temperature in the boiler 340 will not drop sharply, ensuring the normal operation of the entire combustion steam power generation device 300. The outlet ends of all heat exchange tubes 141 are connected to the boiler 340 in a one-way manner, which can prevent the high pressure in the boiler 340 from flowing back along the heat exchange tube 141. Only when the water supply device 500 automatically replenishes water into the boiler 340, the valve between the boiler 340 and the heat exchange tube 141 will be opened.

[0050] The steam storage box 360 can actually be subjected to external heat exchange and cold shortage, such as water-cooled exchange cooling, or directly exchange cooling with air, so that these low-temperature steams can be cooled to form condensed water and flow back into the boiler 340. At the same time, the steam in the steam storage box 360 can also be supplied to the vaporization spray pipe 210. Such a setting can ensure that the high-temperature steam in the steam storage box 360 can react with the high-temperature charcoal and water vapor in the cooling charcoal pile chamber 200 to form water gas, and can also achieve pressure relief, and can also recover the pressure-relieved steam. It should be noted that the high-temperature steam in the steam storage box 360 is mainly used to drive the steam generator set 330 to generate electricity. As long as the preset pressure is exceeded, the high-temperature steam in the steam storage box 360 will supply pressure relief steam to the vaporization spray pipe 210 through the pressure relief valve 370.

[0051] In addition, a connecting nozzle 321 is provided at one end of the combustion chamber 320, wherein the air inlet end of the connecting nozzle 321 is connected to the gas mixing chamber 220, and the other end thereof is placed in the combustion chamber 320. At the same time, an igniter is provided in the combustion chamber 320, and the igniter is located on the peripheral side of one end of the outlet of the connecting nozzle 321, so that the user can ignite the gas entering the combustion chamber 320.

[0052] It should be noted that in the present application, the water supply device 500 is located on the exhaust end of the steam generator set 330, which is actually located in the area between the combustion chamber 320 and the flue gas purification device 400. In this way, the exhaust gas can be used to preheat the water supply device 500 to ensure that the temperature of the boiler will not be lowered too quickly when it replenishes water to the boiler 340 later, thereby ensuring the operating stability of the entire power generation system.

[0053] See also Figure 1 , Figure 5 and Figure 6 Further, in the present application, in order to facilitate exhaust gas treatment, the flue gas purification device 400 includes a flue gas filter 420, a water washing tower 430, a spray tower 440, a tar filter 450, a negative pressure fan 460 and a pressure regulating tower 470 which are sequentially connected through a pipeline 410, and the output end of the water supply device 500 is respectively connected to the water washing tower 430 and the spray tower 440 through a supply pipe 520, the input end of the flue gas filter 420 is connected to the output end of the smoke exhaust duct 160, and a discharge chimney 480 is provided on the top of the pressure regulating tower 470; the drainage ends of the water washing tower 430 and the spray tower 440 are connected to a water circulation purification mechanism 540, and the water circulation purification mechanism 540 is connected to the water supply device 500.

[0054] Among them, a filter screen is provided in the flue gas filter 420, and its main purpose is to filter the soot in the flue gas, and prevent too much soot from entering the water washing tower 430 and the spraying tower 440, causing sludge deposition in the water washing tower 430 and the spraying tower 440 and affecting the use. In addition, the tar filter 450 is a conventional structure, which is not described in detail in this application. Its purpose is to avoid the residual tar in the gas burned in the combustion chamber 320. In fact, in the normal combustion process, the combustible material in the gas discharged by the mixing chamber 210 will be fully burned. For this reason, the tar filter 450 may not be provided in some embodiments. The water washing tower 430 is actually a water tower structure. The flue gas enters from the bottom of the water washing tower 430 and flows out from the top. At the same time, the water washing tower 430 is filled with water. When the flue gas passes through the water washing tower 430, the dust in the flue gas is absorbed by the water body, and then most of the dust can be removed. The spraying tower 440 uses water mist spraying to remove dust to the greatest extent. The main function of the pressure regulating tower 470 is to achieve the stability of the internal pressure of the entire flue gas purification device 20 and ensure the normal treatment of the flue gas.

[0055] In order to facilitate the subsequent transportation, the pipelines 410 between the flue gas filter 420 and the water washing tower 430, between the water washing tower 430 and the spray tower 440, and between the spray tower 440 and the tar filter 450 are all provided with connecting flanges. Such a structural design is mainly to facilitate rapid disassembly, transportation and transfer, and to facilitate subsequent rapid connection. Of course, in some embodiments, in order to reduce the number of connecting flanges, connecting flanges can be provided on the pipelines 410 between the flue gas filter 420 and the water washing tower 430 and between the spray tower 440 and the tar filter 450.

[0056] It should be noted that the actual size of the carbonization system can be designed into different sizes according to different needs to adapt to different biomass processing speeds. For example, in order to facilitate transportation, the entire flue gas purification device 400 can be integrated on a mounting base, or designed in parts, and different structures are connected to each other through connecting flanges, which is convenient for later disassembly and assembly. It can also be integrated on a mounting base and directly hoisted by a car crane at a later time, which is convenient for transportation.

[0057] See also Figure 1 In order to facilitate water supply in the present application, the water supply device 500 includes a water tank 510, a supply pipe 520 and a supply pump 530 arranged on the supply pipe 520. The water tank 510 can exchange heat with the air inlet end of the flue gas purification device 400; the input end of the supply pipe 520 is connected to the water tank 510, and the output end of the supply pipe 520 is provided with multiple inlet ends of all the heat exchange tubes 141, the boiler 340 in the combustion steam power generation device 300 and the flue gas purification device 400, respectively.

[0058] Among them, the water tank 510 is designed separately, which is convenient for later handling and transfer. The connections between the supply pipe 520 and the water tank 510, the supply pump 530, the heat exchange tube 141, the boiler 340, the water washing tower 430 and the spray tower 440 are all connected through quick-release joints, which is conducive to later disassembly and assembly. It should be noted that the inlet ends of all heat exchange tubes 141 are connected to the same water distribution pipe, and the supply pipe 520 is directly connected to the water distribution pipe through a joint, which is convenient for later disassembly and assembly. The output end of the water circulation purification mechanism 540 is connected to the water tank 510, which is convenient for recycling the sewage discharged from the water washing tower 430 and the spray tower 440. Of course, in some embodiments, the water circulation purification mechanism 540 can also circulate water to the water washing tower 430 and the spray tower 440 separately, which can avoid the wastewater generated by the water washing tower 430 and the spray tower 440 from entering the water tank 510 after evolution. In this embodiment, the water tank 510 is connected to the water circulation purification mechanism 540 through a pipeline for water replenishment. In the present application, the water circulation purification mechanism 540 can be a conventional water purification mechanism, such as the technical solutions in patent CN202323462354.1-A sewage treatment filtering and purification device or CN202210187521.7-An accumulation type industrial sewage purification water filter and its implementation method, which are not described in detail in the present application.

[0059] In the actual charcoal making process, since the continuously formed charcoal will accumulate at the bottom of the carbonization furnace 100, the charcoal discharge port 170 can be opened uniformly after the whole furnace of charcoal is burned, and the high-temperature charcoal is manually sent into the cooling charcoal pile chamber 200 using tools. This operation is relatively troublesome, and the operation process has certain risks. For this reason, in some embodiments, a grate structure can be provided at the bottom of the carbonization furnace 100, and the high-temperature charcoal can be sent to the charcoal discharge port 170 by using a rolling grate; a push plate can also be provided at one end of the carbonization furnace 100 away from the charcoal discharge port 170, and a push rod is provided on the push plate, and the push rod passes through the side wall of the carbonization furnace 100, and the worker can manually push the push rod, and use the push plate to push the high-temperature charcoal of the lower layer into the charcoal discharge port 170.

[0060] See also Figures 7 to 9In another embodiment of the present application, in order to facilitate continuous carbon discharge, the carbonization system further includes a carbon scraper 600, the carbon scraper 600 includes a drive motor 610, a pair of drive shafts 620, and a drive chain group wound around the pair of drive shafts 620, the drive motor 610 is electrically connected to the battery 310; the two drive shafts 620 are rotatably mounted on both ends of the bottom of the carbonization furnace 100, one end of any drive shaft 620 passes through the furnace wall of the carbonization furnace 100 and is connected to the output end of the drive motor 610 installed outside the carbonization furnace 100; the drive chain group is provided with a plurality of scraper mechanisms 640, the scraper mechanisms 640 can push the burning carbon stacked on the heat exchange plate 140 and the heat conduction plate 150 into the carbon discharge port 170. In fact, the drive chain group and the drive shaft 620 constitute a rotatable grate structure.

[0061] Further, considering the structural design in the present application, a cooling charcoal pile chamber 200 is also provided at the bottom of the carbonization furnace 100. For this reason, if the high-temperature charcoal in the carbonization furnace 100 is conventionally discharged directly into the charcoal discharge port 170, such a structural setting easily causes these high-temperature charcoals to accumulate on one end of the cooling charcoal pile chamber 200 close to the charcoal discharge port 170, which will directly affect the normal charcoal discharge in the later stage and the cleaning of charcoal from the cooling charcoal pile chamber 200. For this reason, in one embodiment of the present application, a grate structure can be set at the bottom of the cooling charcoal pile chamber 200 for active charcoal delivery, but the cost is high, and the length of the cooling charcoal pile chamber 200 is relatively short, so it is not very practical and is not as good as manual charcoal digging. Of course, the bottom of the cooling charcoal pile chamber 200 can also be set in an inclined shape, with a lower height at one end close to the charcoal outlet 240, and the slope can be used for natural charcoal discharge. In fact, all these methods can be used for charcoal discharge, but they do not meet the requirements of the present application for being suitable for the field and having a low cost setting.

[0062] See also Figure 8To this end, in an improved embodiment of the present application, a bypass port 180 is provided on one end of the carbonization furnace 100 away from the carbon discharge port 170, and the bypass port 180 is connected to the cooling carbon stack chamber 200. The two drive shafts 620 are rotatably installed in the bypass port 180 and the carbon discharge port 170, respectively. The drive chain group includes two parallel drive chains 630, one of which is wound around the same end of a pair of drive shafts 620, and the other drive chain 630 is wound around the same end of a pair of drive shafts 620. 0 is wound around the other end of a pair of the driving shafts 620, and both ends of each of the scraper mechanisms 640 are respectively connected to the two driving chains 630, and the two driving chains 630 can enclose the area of ​​the carbonization furnace 100 between the avoidance port 180 and the carbon discharge port 170, so that the upper layers of the two driving chains 630 pass through the platform formed by the heat exchange plate 140 and the heat conduction plate 150, and the lower layers of the two driving chains 630 pass through the cooling carbon stacking chamber 200. Among them, the above-mentioned setting can not only realize the carbonization furnace 100 bottom carbonization, but also loosen the high-temperature carbon at the bottom of the carbonization furnace, ensure the normal smoke exhaust operation of the smoke hole 142, and use the lower layers of the two driving chains 630 to hang the high-temperature carbon that is too high in the carbon discharge port 170 and on the end of the cooling carbon stacking chamber 200 close to the carbon discharge port 170 and push it to one end of the carbon outlet 240, so that the setting achieves three goals at one stroke.

[0063] See also Figure 8 In addition, since the drive chain 630 and the scraper mechanism 640 located above the platform formed by the heat exchange plate 140 and the heat conduction plate 150 are directly heated by the burning biomass, when they rotate into the cooling charcoal pile chamber 200, these heated drive chains 630 and scraper mechanisms 640 can maintain the replenishment of the internal heat source of the cooling charcoal pile chamber 200, thereby ensuring the heat demand source for the reaction between the high-temperature charcoal and the high-temperature water vapor inside to prepare water gas. Therefore, through this design, four birds with one stone are achieved, and the overall structure is ingenious.

[0064] In addition, under normal circumstances, the width of the scraper mechanism 640 matches the horizontal width of the charcoal discharge port 170 and the avoidance port 180. This design allows the scraper mechanism 640 to block the charcoal discharge port 170 and the avoidance port 180, so that the cooling charcoal stacking chamber 200 and the carbonization furnace 100 are relatively isolated from each other, thereby avoiding the occurrence of backfire. It should be noted that in this embodiment, whether the entire drive chain group is in a rotating state or a stationary state, there is at least one scraper mechanism 640 that is always in the charcoal discharge port 170 and the avoidance port 180, so as to avoid the cooling charcoal stacking chamber 200 and the carbonization furnace 100 from being unable to communicate directly.

[0065] See also Fig. 9In an improved embodiment of the present application, in order to reduce the resistance of scraping the high-temperature charcoal, and to properly scrape the high-temperature charcoal on the carbonization furnace 100 into the charcoal discharge port 170, and at the same time to scrape as much high-temperature charcoal piled in the cooling charcoal pile chamber 200 as possible, to avoid the high-temperature charcoal located in the lower area of ​​the charcoal discharge port 170 from being piled too high, each of the scraper mechanisms 640 includes two mounting seats 641, a swing shaft 642 and a movable paddle 643, and the two mounting seats 641 are respectively mounted on both sides of the drive chain group, and are actually respectively mounted on two drive chains 630; the two ends of the swing shaft 642 can be rotatably mounted on the two On the mounting seat 641, the swing shaft 642 is provided with a main shift plate 644 extending outwardly along the length direction, and limiting grooves 645 are provided on the opposite sides of the two mounting seats 641. The two ends of the main shift plate 644 extend into the limiting grooves 645 at the corresponding ends respectively. A plurality of plug posts 646 are provided on the movable shift plate 643, and a plurality of plug cylinders 647 cooperating with the plug posts 646 are provided on the main shift plate 644. The plug posts 646 can move along the axial direction of the plug cylinder 647 and cannot be pulled out of the plug cylinder 647. The movable shift plate 643 can move away from or overlap on the main shift plate 644 along the guide direction of the plug cylinder 647.

[0066] Among them, the design of the swing shaft 642 can make the structure composed of the main shift plate 644 and the movable shift plate 643 swing appropriately, which is suitable for the forward and reverse rotation of the entire drive chain group. This design is very necessary. The main reason is that a large amount of biomass is piled in the entire carbonization furnace 100. Although the bottom will burn, the biomass in the middle and top will not burn, and the burning speeds of different varieties of plants in the biomass are different. For this reason, the high-temperature charcoal located at the bottom of the carbonization furnace 100 may contain some relatively hard materials. At this time, if the drive chain group is in normal forward rotation, these hard high-temperature charcoals will squeeze together and block the charcoal discharge port 170. At this time, the drive chain group needs to reversely rotate for a distance. At this time, these squeezed charcoal discharge ports 170 can be loosened by reciprocating several times, which can effectively prevent the entire drive chain group from getting stuck.

[0067] Among them, the structure formed by the main dial plate 644 and the movable dial plate 643 can swing back and forth relative to the running direction of the drive chain group. Such a setting is largely to adapt to the forward and reverse rotation of the drive chain group. In addition, the limit groove 645 is mainly used to limit the swing angle of the structure formed by the main dial plate 644 and the movable dial plate 643. When the scraper mechanism 640 runs to the top of the platform formed by the heat exchange plate 140 and the heat conduction plate 150, the movable dial plate 643 is overlapped on the main dial plate 644 due to its own weight and the squeezing force of the high-temperature carbon; when the scraper mechanism 640 runs to the carbon discharge port 170, the cooling carbon pile chamber 200 and the avoidance port 180, due to the self-weight of the movable dial plate 643 and the elimination of most of the squeezing force of the high-temperature carbon, the movable dial plate 643 droops and gradually extends from the main dial plate 644. Such a structural design allows each scraper mechanism 640 to be located at the carbon discharge port 170, the cooling carbon pile chamber 20 0 and the avoidance port 180, mainly in the cooling carbon pile chamber 200, the area of ​​the high-temperature carbon scraped by the structure formed by the main paddle plate 644 and the movable paddle plate 643 becomes larger, thereby increasing the carbon scraping capacity of the structure formed by the main paddle plate 644 and the movable paddle plate 643, and to a large extent, the high-temperature carbon on one end of the cooling carbon pile chamber 200 located at the carbon discharge port 170 is effectively pushed to the other end of the avoidance port 180, and the new high-temperature carbon is also flattened, so as to fully react with the high-temperature steam or high-temperature water mist sprayed from the vaporization spray pipe 210, thereby improving the efficiency of preparing water gas. Such a design achieves two goals at one stone.

[0068] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A carbonization system, characterized in that: include A carbonization furnace, wherein a plurality of smoke exhaust grooves are arranged in parallel at the bottom thereof, a cracking groove is arranged between two adjacent smoke exhaust grooves, the side walls of the cracking grooves are connected to the side walls of the smoke exhaust grooves through a plurality of smoke exhaust ports, the openings of all the smoke exhaust grooves are covered with a heat exchange plate, a heat exchange tube is arranged inside the heat exchange plate along the length direction thereof, a plurality of smoke holes are penetrated and arranged on the heat exchange plate, and the cracking groove is covered with a heat conducting plate; a smoke exhaust duct is arranged on the carbonization furnace, and the smoke exhaust duct is connected to one end of all the cracking grooves; a one-way connected carbon exhaust port is arranged on one end of the carbonization furnace; A cooling carbon pile chamber is arranged at the bottom of the carbonization furnace and one end of the cooling carbon pile chamber is connected to the carbon discharge port, and the top of the cooling carbon pile chamber can conduct heat with the bottom of the carbonization furnace; a vaporization spray pipe is arranged in the cooling carbon pile chamber, and the inlet end of the vaporization spray pipe is connected to the output ends of all the heat exchange tubes; the carbon pile chamber is unidirectionally connected to a gas mixing chamber, and the gas mixing chamber is connected to the smoke exhaust duct, and an air intake valve is unidirectionally arranged on the gas mixing chamber; A combustion steam power generation device, wherein the feed end thereof is connected to the gas outlet end of the gas mixing chamber; A flue gas purification device, which is used to extract and purify the tail gas discharged by the combustion steam power generation device; A water supply device, which can perform heat exchange with the air inlet end of the flue gas purification device, the output end of the water supply device is connected to the combustion steam power generation device, all the heat exchange tubes and the flue gas purification device, and all the heat exchange tubes can supply water to the combustion steam power generation device; Wherein, a battery is arranged in the combustion steam power generation device, and the battery provides electric energy for the flue gas purification device and the water supply device. Part of the steam generated by the combustion steam power generation device is connected to the input end of the vaporization spray pipe.

2. A carbonization system according to claim 1, characterized in that: The bottom of the cracking tank is higher than the bottom of the smoke exhaust tank. The cross-section of the heat conductive plate is U-shaped. The opening of the heat conductive plate is downward and inverted on the opening of the cracking tank. At least part of the side wall of the heat conductive plate is located outside the opening of the cracking tank or higher than the top surface of the heat exchange plate. A plurality of fin plates are arranged in the heat conductive plate. All the fin plates are arranged in an alternating manner and the lower ends are in contact with the bottom of the cracking tank.

3. A carbonization system according to claim 2, characterized in that: A heat-conducting rod is arranged on one end of a part of the fin plates facing outwards, and the heat-conducting rod can movably pass through the bottom of the carbonization furnace and extend into the cooling carbon stacking chamber.

4. A carbonization system according to claim 2, characterized in that: The side walls of the heat conducting plates on both sides are partially deformable above the open end surface of the cracking tank, and the outer side surfaces on both sides of each heat conducting plate abut against the outer side surface of the corresponding side of the heat exchange plate on the adjacent side.

5. A carbonization system according to claim 1, characterized in that: The combustion steam power generation device includes a combustion chamber, a steam generator set and a boiler arranged outside the combustion chamber, the feed end of the combustion chamber is connected to the gas outlet end of the mixing chamber, the exhaust end of the combustion chamber is connected to the flue gas purification device, the outlet ends of all the heat exchange tubes are connected to the boiler in an openable and closable manner, the top of the boiler is connected to the steam storage box through a pipeline, the steam generator set is arranged on the pipeline, the steam storage box is also connected to the bottom of the boiler and the vaporization spray pipe through a pipeline, a pressure relief valve is arranged on the pipeline between the steam storage box and the vaporization spray pipe, and the steam generator set is electrically connected to the battery through an electronic regulator.

6. A carbonization system according to claim 1 or 5, characterized in that: The water supply device includes a water tank, a supply pipe and a supply pump arranged on the supply pipe. The water tank can perform heat exchange with the air inlet end of the flue gas purification device; the input end of the supply pipe is connected to the water tank, and the output end of the supply pipe is provided with multiple inlet ends of all the heat exchange tubes, the boiler in the combustion steam power generation device and the flue gas purification device, which are respectively connected.

7. A carbonization system according to claim 1, characterized in that: The flue gas purification device includes a flue gas filter, a water washing tower, a spray tower, a tar filter, a negative pressure fan and a pressure regulating tower which are connected in sequence through pipelines. The output end of the water supply device is connected to the water washing tower and the spray tower respectively through a supply pipe, the input end of the flue gas filter is connected to the output end of the smoke exhaust duct, and a discharge chimney is arranged on the top of the pressure regulating tower; the drainage ends of the water washing tower and the spray tower are connected to a water circulation purification mechanism, and the water circulation purification mechanism is connected to the water supply device.

8. A carbonization system according to claim 1, characterized in that: It also includes a carbon scraper device, which includes a drive motor, a pair of drive shafts and a drive chain group wound around the pair of drive shafts, the drive motor is electrically connected to the battery; the two drive shafts are rotatably mounted on both ends of the bottom of the carbonization furnace, one end of any drive shaft passes through the furnace wall of the carbonization furnace and is connected to the output end of the drive motor installed outside the carbonization furnace; a plurality of scraper mechanisms are arranged on the drive chain group, and the scraper mechanisms can push the burning carbon stacked on the heat exchange plate and the heat conduction plate into the carbon discharge port.

9. A carbonization system according to claim 8, characterized in that: A avoidance port is provided on one end of the carbonization furnace away from the carbon discharge port, and the avoidance port is connected to the cooling carbon pile chamber. The two drive shafts are rotatably installed in the avoidance port and the carbon discharge port respectively. The drive chain group includes two parallel drive chains, one of which is wound around the same end of a pair of drive shafts, and the other drive chain is wound around the other end of a pair of drive shafts. Both ends of each scraper mechanism are respectively connected to the two drive chains. The two drive chains can enclose the area of ​​the carbonization furnace between the avoidance port and the carbon discharge port, so that the upper layers of the two drive chains pass through the platform formed by the heat exchange plate and the heat conduction plate, and the lower layers of the two drive chains pass through the cooling carbon pile chamber.

10. A carbonization system according to claim 8 or 9, characterized in that: Each of the scraper mechanisms includes two mounting seats, a swing shaft and a movable shift plate, the two mounting seats are respectively mounted on both sides of the drive chain group, the two ends of the swing shaft can be rotatably mounted on the two mounting seats, the swing shaft is provided with a main shift plate extending outward along the length direction, and limiting grooves are provided on the opposite sides of the two mounting seats, the two ends of the main shift plate respectively extend into the limiting grooves at the corresponding ends, a plurality of plug posts are provided on the movable shift plate, a plurality of plug barrels cooperating with the plug posts are provided on the main shift plate, the plug posts can move along the axial direction of the plug barrel and cannot be pulled out of the plug barrel, and the movable shift plate can move away from or overlap on the main shift plate along the guide direction of the plug barrel.

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