Sludge carbon coupled biomass carbonization incineration disposal system and method

Abstract

The invention discloses a sludge carbon coupled biomass carbonization incineration disposal system and method, and relates to the technical field of solid waste disposal. By coupling sludge carbon and biomass carbonization incineration, self-sufficiency of energy is achieved, external energy input is reduced, water vapor is effectively recycled through condensation equipment, and particulate matter and malodorous gas are removed through cooperation of dust removal equipment and deodorization equipment; the sludge drying and carbonizing cylinder utilizes high-temperature flue gas at an outlet of a combustion chamber for drying, so that the heat efficiency is improved; the baffle plate of the biomass stock bin optimizes the feeding sealing performance and prevents gasified gas from leaking; the stability of the biomass gasification process is promoted through excess air coefficient control of the gasified gas guide plate and the primary air inlet; the electric heating rod only provides initial heat in the ignition stage, so that the operation energy consumption is reduced; through the synergistic effect of the secondary air inlet and the sludge carbon inlet, the combustion completeness is ensured, and ash residues are reduced; the combustion chamber insulating layer and the combustor insulating layer jointly maintain a high-temperature environment, and the heat utilization efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of solid waste treatment, in particular to a sludge carbon coupling biomass carbonization incineration disposal system and method. BACKGROUND

[0002] Solid waste refers to solid, semi-solid waste substances generated by human activities in production, consumption, life and other activities (the definition abroad is more extensive, animal activities also belong to this category), which is commonly referred to as "garbage". Mainly including solid particles, garbage, slag, sludge, waste products, broken utensils, defective products, animal carcasses, spoiled food, human and animal excrement and the like. Some countries also classify high-concentration liquids such as waste acid, waste alkali, waste oil and waste organic solvents as solid waste.

[0003] The biomass carbonization incineration disposal system in the prior art consumes a large amount of energy to maintain the reaction temperature during the carbonization process, and the unreasonable recovery of flue gas waste heat further increases the energy consumption, so that the energy consumption is high; during the sludge disposal process, odor, pathogens and heavy metals are easily released, causing secondary pollution to the surrounding environment, and it is difficult to meet the strict environmental protection emission standards, and the pollutant emission is large. SUMMARY

[0004] The purpose of the present application is to solve the problems mentioned in the background art, and the present application provides a sludge carbon coupling biomass carbonization incineration disposal system and method.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: A sludge carbon coupling biomass carbonization incineration disposal system, comprising a combustion machine, a sludge drying carbonization cylinder and a tail gas treatment mechanism; The combustion machine is used for further combustion of sludge carbon and biomass to generate heat after drying of wet sludge, and the sludge drying carbonization cylinder is used for receiving heat generated by the combustion machine and drying sludge to generate sludge carbon; The tail gas treatment mechanism comprises a condensing device, a dust removal device and a deodorizing device; the condensing device is used for condensing water vapor and incineration waste flue gas generated during the disposal of wet sludge in the sludge drying carbonization cylinder, the dust removal device is used for dust removal of the condensed flue gas, and the deodorizing device is used for deodorization of the flue gas after dust removal.

[0006] Further improvement of the present application is that the tail gas treatment mechanism further comprises a chimney, which is used for discharging the gas after dust removal and deodorization.

[0007] Further improvement of the present application is that the combustion machine comprises a combustion chamber and a combustion machine body, and the combustion machine body comprises a biomass bin, a combustion machine cavity and a combustion machine flame outlet. The combustion chamber comprises a combustion chamber insulation layer, a combustion chamber outlet and an ash outlet, the combustion chamber insulation layer is used for insulation, the combustion chamber outlet is used for discharging high-temperature flue gas generated during combustion, and the ash outlet is used for discharging ash generated during combustion. The biomass bunker comprises a bunker first baffle and a bunker second baffle, the bunker first baffle and the bunker second baffle control biomass feeding and seal gasification gas by opening and closing of the baffles. The combustion machine cavity comprises a gasification gas second baffle, a gasification gas first baffle, a primary air inlet, an ash falling port, an ash falling bucket, an electric heating rod and a combustion machine insulation layer, the gasification gas second baffle and the gasification gas first baffle are used for controlling the direction of the biomass gasification gas flow, the primary air inlet is used for providing air required for biomass gasification, the ash falling port and the ash falling bucket are used for cleaning biomass ash, the electric heating rod provides an initial heat source for the biomass gasification process, and the combustion machine insulation layer is used for insulation of the biomass gasification and combustion process. The combustion machine flame outlet comprises a secondary air inlet and a sludge carbon inlet, the secondary air inlet is used for supplementing oxygen required for biomass gasification gas and sludge carbon combustion, and the sludge carbon inlet is provided as an inlet of the sludge carbon, and the sludge carbon is conveyed into the combustion machine by air flow for combustion.

[0008] The combustion chamber outlet is connected with the sludge drying and carbonization cylinder.

[0009] The gasification gas second baffle and the gasification gas first baffle are provided as an included angle of 20-45° with the vertical direction, and the gasification gas second baffle and the gasification gas first baffle jointly control the flow direction of the biomass gasification gas.

[0010] The primary air inlet provides air supplement for biomass gasification, the excess air coefficient α is 0.4-0.5, and biomass gasification and partial combustion are realized.

[0011] The electric heating rod is only used in an ignition stage, and the heating temperature is controlled to be 400-600 DEG C.

[0012] The excess air coefficient α of the secondary air inlet is 1.0-1.2.

[0013] The gas amount of the sludge carbon inlet conveying sludge carbon is converted into an excess air coefficient α of 0.2-0.3, so that complete combustion of the biomass gasification gas and the sludge carbon is ensured.

[0014] A sludge carbon coupled biomass carbonization incineration disposal method comprises the following steps: The combustion machine further combusts the dry sludge carbon of the wet sludge and biomass to generate heat, the sludge drying and carbonizing cylinder receives the heat generated by the combustion machine, and the sludge drying and carbonizing cylinder dries the sludge to generate sludge carbon; The condensing device condenses the water vapor and incineration waste flue gas generated by the wet sludge in the sludge drying and carbonizing cylinder, the dust removal device removes dust from the condensed flue gas, and finally, the deodorizing device deodorizes the flue gas after dust removal.

[0015] Compared with the prior art, the present application has at least the following beneficial technical effects: The present application realizes self-sufficiency of energy by coupling sludge carbon and biomass carbonization incineration, reduces external energy input, and efficient combustion and tail gas treatment mechanism ensures the minimum emission of pollutants, wherein the condensing device effectively recovers water vapor, the dust removal device and the deodorizing device cooperatively remove particulate matter and malodorous gas; the sludge drying and carbonizing cylinder utilizes the high-temperature flue gas at the outlet of the combustion chamber for drying, improving the thermal efficiency; the baffle of the biomass bin optimizes the sealing property of the feed, preventing gasification gas leakage; the excess air factor control of the gasification gas deflector and the primary air inlet promotes the stability of the biomass gasification process; the electric heating rod only provides initial heat in the ignition stage, reducing the operating energy consumption; the synergistic effect of the secondary air inlet and the sludge carbon inlet ensures the completeness of combustion, reducing ash residue; the combustion chamber insulation layer and the combustion machine insulation layer jointly maintain a high-temperature environment, improving the heat utilization efficiency.

[0016] The present application not only solves the problems of high energy consumption and secondary pollution in traditional sludge disposal, but also realizes the synergistic and efficient utilization of sludge and biomass resources, providing a reliable scheme for environment-friendly waste treatment. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0018] Fig. 1 is a system schematic diagram of the present application; Fig. 2 is a front view of the combustion machine in the present application.

[0019] Explanation of reference signs: 1, combustion chamber; 11, combustion chamber insulation layer; 12, combustion chamber outlet; 13, ash removal port; 2, biomass bunker; 21, bunker first stage baffle; 22, bunker second stage baffle; 3, combustion machine cavity; 31, gasification gas second stage guide plate; 32, gasification gas first stage guide plate; 33, primary air inlet; 34, ash falling port; 35, ash falling hopper; 36, electric heating rod; 37, combustion machine insulation layer; 4, combustion machine flame outlet; 41, secondary air inlet; 42, sludge carbon inlet; 5, sludge drying and carbonization cylinder; 7, condensing equipment; 8, dust removal equipment; 9, deodorization equipment; 10, chimney. DETAILED DESCRIPTION

[0020] Hereinafter, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0021] In the description of the present application, it needs to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0022] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0023] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection, or communication; can be directly connected, or indirectly connected through intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] In the present application, unless otherwise explicitly specified and limited, "on" or "under" of a first feature to a second feature can include that the first and second features are in direct contact, or can include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, "on", "above" and "over" of a first feature to a second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the first feature is higher in horizontal height than the second feature. "Under", "below" and "underneath" of a first feature to a second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the first feature is lower in horizontal height than the second feature.

[0025] It should be understood that the terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. As used in the specification and the appended claims of the present application, unless otherwise clearly indicated by the context, the singular forms "a", "an" and "the" are intended to include the plural forms as well.

[0026] It should also be understood that the term "and / or" used in the specification and the appended claims of the present application means any combination of one or more of the associated listed items and all possible combinations thereof, and includes these combinations.

[0027] Various structural diagrams according to the disclosed embodiments of the present application are shown in the accompanying drawings. These drawings are not drawn to scale, in which certain details are exaggerated for the purpose of clear expression, and certain details can be omitted. The shapes of various regions, layers and their relative size and positional relationship shown in the drawings are only exemplary, and in actuality can be deviated due to manufacturing tolerances or technical limitations, and regions / layers with different shapes, sizes and relative positions can be additionally designed by those skilled in the art according to actual needs.

[0028] The embodiments of the present application are described in detail below in conjunction with the accompanying drawings.

[0029] Embodiment 1 Please refer to Figs. 1-2 The present application provides a sludge carbon coupling biomass carbonization incineration disposal system, which comprises a combustion machine, a sludge drying carbonization cylinder 5 and a tail gas treatment mechanism; the combustion machine is used for further combustion of sludge carbon and biomass to generate heat, the sludge drying carbonization cylinder 5 is used for receiving heat generated by the combustion machine and drying sludge to generate sludge carbon; the tail gas treatment mechanism comprises a condensing device 7, a dust removal device 8 and a deodorizing device 9; the condensing device 7 is used for condensing water vapor and incineration waste flue gas generated by the sludge drying carbonization cylinder 5, the dust removal device 8 is used for dust removal of the condensed flue gas, and the deodorizing device 9 is used for deodorization of the flue gas after dust removal.

[0030] In the embodiment, the tail gas treatment mechanism further comprises a chimney 10 for discharging the gas after dust and odor removal.

[0031] In the embodiment, the combustion machine comprises a combustion chamber 1 and a combustion machine body, the combustion machine body comprising a biomass bunker 2, a combustion machine cavity 3 and a combustion machine flame outlet 4; the combustion chamber 1 comprises a combustion chamber insulation layer 11, a combustion chamber outlet 12 and an ash removal port 13, the combustion chamber insulation layer 11 being used for insulation, the combustion chamber outlet 12 being used for discharging high-temperature flue gas generated during combustion, and the ash removal port 13 being used for discharging ash generated during combustion; the biomass bunker 2 comprises a bunker first baffle 21 and a bunker second baffle 22, the bunker first baffle 21 and the bunker second baffle 22 being used for controlling biomass feeding and sealing gasification gas by opening and closing of the baffles; the combustion machine cavity 3 comprises a gasification gas second deflector 31, a gasification gas first deflector 32, a primary air inlet 33, an ash falling port 34, an ash falling hopper 35, an electric heating rod 36 and a combustion machine insulation layer 37, the gasification gas second deflector 31 and the gasification gas first deflector 32 being used for controlling the direction of the biomass gasification gas flow; the primary air inlet 33 is used for providing air required for biomass gasification; the ash falling port 34 and the ash falling hopper 35 are used for cleaning biomass ash; the electric heating rod 36 provides an initial heat source for the biomass gasification process; the combustion machine insulation layer 37 is used for insulation during the biomass gasification and combustion process; the combustion machine flame outlet 4 comprises a secondary air inlet 41 and a sludge carbon inlet 42, the secondary air inlet 41 being used for supplementing oxygen required for biomass gasification gas and sludge carbon combustion, and the sludge carbon inlet 42 being provided as an inlet for sludge carbon, which is conveyed by airflow into the combustion machine for combustion.

[0032] In the embodiment, the combustion chamber outlet 12 is connected with the sludge drying and carbonization cylinder 5.

[0033] In the embodiment, the gasification gas second deflector 31 and the gasification gas first deflector 32 are arranged at an angle of 20-45° with the vertical direction 20, and the gasification gas second deflector 31 and the gasification gas first deflector 32 jointly control the flow direction of the biomass gasification gas.

[0034] In the embodiment, the primary air inlet 33 provides air supplement for biomass gasification, and the excess air coefficient a is 0.4-0.5, so as to realize gasification and partial combustion of the biomass.

[0035] In the embodiment, the electric heating rod 36 is only used in the ignition stage, and the heating temperature is controlled at 400-600℃.

[0036] In the embodiment, the excess air coefficient a of the secondary air inlet 41 is 1.0-1.2.

[0037] In the embodiment, the gas amount of the sludge carbon import 42 is transported, and the excess air coefficient a is 0.2-0.3, so as to ensure complete combustion of the biomass gasification gas and the sludge carbon.

[0038] Embodiment 2 Please refer to Figs. 1-2 The application provides a sludge carbon coupling biomass carbonization incineration disposal system, which comprises: The sludge drying and incineration mechanism comprises a combustion machine and a sludge drying and carbonization cylinder 5, wherein the combustion machine is used for further combustion of the sludge carbon after drying of the wet sludge to generate heat, and the sludge drying and carbonization cylinder 5 is used for receiving the heat generated by the combustion machine and drying the sludge to generate sludge carbon. The combustion machine comprises a combustion chamber 1 and a combustion machine body, wherein the combustion machine body comprises a biomass bin 2, a combustion machine cavity 3 and a combustion machine flame outlet 4. The combustion chamber 1 comprises a combustion chamber outlet 12 and an ash removal port 13, the combustion chamber outlet 12 is used for discharging high-temperature flue gas generated during combustion, and the ash removal port 13 is used for discharging ash generated during combustion. The biomass bin 2 comprises a bin first baffle 21 and a bin second baffle 22, and the bin first baffle 21 and the bin second baffle 22 control biomass feeding and seal gasification gas by opening and closing of the baffles. The combustion machine cavity 3 comprises a gasification gas second guide plate 31, a gasification gas first guide plate 32, a primary air inlet 33, an ash falling port 34, an ash falling hopper 35, an electric heating rod 36 and a combustion machine heat preservation layer 37, the gasification gas second guide plate 31 and the gasification gas first guide plate 32 are used for controlling the direction of the biomass gasification gas flow, the primary air inlet 33 is used for providing air required for biomass gasification, the ash falling port 34 and the ash falling hopper 35 are used for cleaning biomass ash, the electric heating rod 36 provides an initial heat source for the biomass gasification process, and the combustion machine heat preservation layer 37 is used for heat preservation during the biomass gasification and combustion process. The combustion machine flame outlet 4 comprises a secondary air inlet 41 and a sludge carbon import 42, the secondary air inlet 41 is used for supplementing oxygen required for the biomass gasification gas and the sludge carbon combustion, and the sludge carbon import 42 is provided as an import of the sludge carbon, and the sludge carbon is transported into the combustion machine by airflow for combustion.

[0039] In the embodiment, the combustion chamber 1 further comprises a combustion chamber heat preservation layer 11, and the combustion chamber heat preservation layer 11 is used for heat preservation.

[0040] In the embodiment, the combustion chamber outlet 12 is connected with the sludge drying and carbonization cylinder 5.

[0041] In the embodiment, the gasification gas secondary guide plate 31 and the gasification gas primary guide plate 32 are arranged at an angle of 20-45 degrees with the vertical direction 20, and the gasification gas secondary guide plate 31 and the gasification gas primary guide plate 32 jointly control the flow direction of the biomass gasification gas.

[0042] In the embodiment, the primary air inlet 33 provides air supplement for biomass gasification, the excess air coefficient a is 0.4-0.5, and the biomass is gasified and partially combusted.

[0043] In the embodiment, the electric heating rod 36 is only used in the ignition stage, and the heating temperature is controlled to be 400-600 DEG C.

[0044] In the embodiment, the excess air coefficient a of the secondary air inlet 41 is 1.0-1.2.

[0045] In the embodiment, the gas amount of the sludge carbon inlet 42 conveying the sludge carbon is converted into the excess air coefficient a, and the value is 0.2-0.3, so as to ensure the complete combustion of the biomass gasification gas and the sludge carbon.

[0046] In the embodiment, the system further comprises a tail gas treatment mechanism, and the tail gas treatment mechanism comprises a condensing device 7, a dust removal device 8, a deodorization device 9 and a chimney 10; the condensing device 7 is used for condensing the water vapor generated in the sludge drying and carbonization cylinder 5 and the incineration waste flue gas, the dust removal device 8 is used for dust removal of the condensed flue gas, the deodorization device 9 is used for deodorization of the flue gas after dust removal, and the chimney 10 is used for discharging the gas after dust removal and deodorization.

[0047] The above system can effectively solve the defects of high energy consumption and large pollutant emission in the prior art.

[0048] Specifically, by coupling sludge carbonization and biomass carbonization incineration, energy self-sufficiency is realized, and external energy input is reduced; efficient combustion and tail gas treatment mechanism ensure the minimum emission of pollutants, wherein the condensing device 7 effectively recovers water vapor, the dust removal device 8 and the deodorization device 9 cooperatively remove particulate matter and malodorous gas; the sludge drying and carbonization cylinder 5 uses the high-temperature flue gas at the outlet 12 of the combustion chamber for drying, thereby improving the thermal efficiency; the system not only solves the problems of high energy consumption and secondary pollution in traditional sludge disposal, but also realizes the synergistic and efficient utilization of sludge and biomass resources, and provides a reliable scheme for environment-friendly waste treatment.

[0049] The working principle and use process of the present application are as follows: when the device is used, first, the electric heating rod 36 is started, and the temperature is controlled at 400-600 DEG C, to provide an initial heat source for biomass gasification; the biomass enters the combustion chamber cavity 3 from the biomass bin 2, and the first-grade baffle 21 and the second-grade baffle 22 of the bin cooperatively control the feeding and sealing, the primary air inlet 33 supplements air according to the excess air coefficient alpha = 0.4-0.5, to realize the gasification and partial combustion of the biomass, and the gasification gas is guided to flow to the combustion chamber flame outlet 4 by the gasification gas second-grade baffle 31 and the gasification gas first-grade baffle 32. At the same time, the wet sludge is sent into the sludge drying and carbonization cylinder 5, the high-temperature flue gas generated by the combustion chamber 1 enters the cylinder through the combustion chamber outlet 12, and the dried sludge generates sludge carbon; the dried sludge carbon is conveyed into the combustion chamber flame outlet 4 by the sludge carbon inlet 42 in the form of airflow, mixes with the biomass gasification gas, the secondary air inlet 41 supplements oxygen according to alpha = 1.0-1.2, and the sludge carbon conveying gas volume alpha = 0.2-0.3 ensures complete combustion, generates heat in the combustion chamber 1, and the heat is partially recycled for sludge drying, and the ash is regularly discharged through the ash removal port 13 and the ash drop 35. The high-temperature flue gas after combustion and the water vapor generated in the sludge drying process enter the tail gas treatment mechanism, are condensed by the condensing equipment 7 first, then remove particulate matters by the dust removal equipment 8, then treat the odor by the deodorizing equipment 9, and finally, the purified gas is safely discharged by the chimney 10. In the system operation, the combustion chamber insulation layer 11 maintains the temperature stable, the ash drop 34 and the ash removal port 13 ensure that the ash is cleaned in time, the whole process realizes the collaborative disposal of the sludge and the biomass, and the energy utilization efficiency is improved.

[0050] Example 3 Please refer to Figs. 1-2 The present application provides a sludge carbon coupled biomass carbonization incineration disposal method, which comprises the following steps: The combustion chamber further burns the dried sludge carbon of the wet sludge to generate heat, the sludge drying and carbonization cylinder 5 receives the heat generated by the combustion chamber, and the sludge drying and carbonization cylinder 5 dries the sludge to generate sludge carbon; The condensing equipment 7 condenses the water vapor generated in the disposal of the wet sludge in the sludge drying and carbonization cylinder 5 and the incineration waste flue gas, the dust removal equipment 8 removes dust from the condensed flue gas, and finally, the deodorizing equipment 9 deodorizes the flue gas after dust removal.

[0051] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the scope of the invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0052] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by those skilled in the art. The above content is only for illustrating the technical concept of the present invention and should not be construed as limiting the scope of protection of the present invention. Any modifications made based on the technical concept proposed in this invention shall fall within the scope of protection of the claims of this invention.

Claims

1. A sludge-carbon coupled biomass carbonization and incineration treatment system, characterized in that, Includes a burner, a sludge drying and carbonization cylinder (5), and an exhaust gas treatment system; The burner is used to further burn the dried sludge char and biomass to generate heat. The sludge drying and carbonization cylinder (5) is used to receive the heat generated by the burner and dry the sludge to produce sludge char. The exhaust gas treatment mechanism includes a condensation device (7), a dust removal device (8), and a deodorization device (9); the condensation device (7) is used to condense the water vapor and incineration waste gas generated from the wet sludge disposal in the sludge drying carbonization cylinder (5); the dust removal device (8) is used to remove dust from the condensed flue gas; and the deodorization device (9) is used to deodorize the flue gas after dust removal.

2. The sludge-carbon coupled biomass carbonization and incineration system according to claim 1, characterized in that, The exhaust gas treatment system also includes a chimney (10) for discharging the gas after dust removal and deodorization.

3. The sludge-carbon coupled biomass carbonization and incineration system according to claim 1, characterized in that, The burner includes a combustion chamber (1) and a burner body, the burner body including a biomass silo (2), a burner cavity (3) and a burner flame outlet (4). The combustion chamber (1) includes a combustion chamber insulation layer (11), a combustion chamber outlet (12), and an ash removal port (13). The combustion chamber insulation layer (11) is used to achieve the purpose of heat preservation. The combustion chamber outlet (12) is used to discharge the high-temperature flue gas generated during combustion. The ash removal port (13) is used to discharge the ash and slag generated during combustion. The biomass silo (2) includes a primary baffle (21) and a secondary baffle (22). The primary baffle (21) and the secondary baffle (22) control the biomass feeding and sealing gasification by opening and closing the baffles. The burner chamber (3) includes a secondary gas flow guide plate (31), a primary gas flow guide plate (32), a primary air inlet (33), an ash discharge port (34), an ash hopper (35), an electric heating rod (36), and a burner insulation layer (37). The secondary gas flow guide plate (31) and the primary gas flow guide plate (32) are used to control the direction of biomass gasification gas flow. The primary air inlet (33) is used to provide the air required for biomass gasification. The ash discharge port (34) and the ash hopper (35) are used to clean biomass ash. The electric heating rod (36) provides the initial heat source for the biomass gasification process. The burner insulation layer (37) is used for heat preservation during the biomass gasification and combustion processes. The burner flame outlet (4) includes a secondary air inlet (41) and a sludge inlet (42). The secondary air inlet (41) is used to supplement the biomass gasification gas and the oxygen required for sludge combustion. The sludge inlet (42) is set as the sludge inlet, and the sludge is transported into the burner by airflow for combustion.

4. The sludge-carbon coupled biomass carbonization and incineration system according to claim 3, characterized in that, The combustion chamber outlet (12) is connected to the sludge drying and carbonization cylinder (5).

5. The sludge-carbon coupled biomass carbonization and incineration system according to claim 3, characterized in that, The gasification gas secondary guide plate (31) and the gasification gas primary guide plate (32) are set at an angle of 20~45° with the vertical direction. The gasification gas secondary guide plate (31) and the gasification gas primary guide plate (32) jointly control the flow direction of biomass gasification gas.

6. The sludge-carbon coupled biomass carbonization and incineration system according to claim 3, characterized in that, The primary air inlet (33) provides air supplement for biomass gasification, with an excess air coefficient α of 0.4~0.5, to achieve biomass gasification and partial combustion.

7. The sludge-carbon coupled biomass carbonization and incineration system according to claim 3, characterized in that, The electric heating rod (36) is used only during the ignition stage, and the heating temperature is controlled at 400~600℃.

8. The sludge-carbon coupled biomass carbonization and incineration system according to claim 3, characterized in that, The excess air coefficient α of the secondary air inlet (41) is 1.0~1.

2.

9. The sludge-carbon coupled biomass carbonization and incineration system according to claim 3, characterized in that, The excess air coefficient α of the gas volume transported by the sludge inlet (42) is 0.2~0.3 to ensure complete combustion of biomass gasification gas and sludge.

10. A method for treating sludge-carbon coupled biomass carbonization and incineration, characterized in that, This method is based on a sludge-carbon coupled biomass carbonization and incineration treatment system according to any one of claims 1 to 9, comprising: The burner further burns the dried sludge char and biomass to generate heat. The sludge drying and carbonization cylinder (5) receives the heat generated by the burner and dries the sludge to produce sludge char. The condensing device (7) condenses the water vapor and incineration waste gas generated from the wet sludge disposal in the sludge drying and carbonization cylinder (5), the dust removal device (8) removes dust from the condensed flue gas, and finally, the deodorizing device (9) deodorizes the flue gas after dust removal.

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