A multi-source waste integrated collaborative treatment system and method
By introducing sludge drying and carbonization into a sludge co-treatment system to generate sludge carbon as a fuel additive, the system achieves efficient co-incineration of municipal solid waste, medical waste, and sludge. This solves the problem of co-processing multiple wastes, simplifies the operation process, improves the system's hygiene and safety, effectively increases processing efficiency, saves time and costs associated with separately processing different types of waste, enhances the economic benefits of the urban solid waste management system, and provides a comprehensive solution for urban solid waste treatment.
Patent Information
- Application Number
- CN202411808579.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2044-12-10
AI Technical Summary
In existing technologies, the separate treatment of municipal solid waste and medical waste is inefficient, requires a large investment in equipment and land, and the dioxins generated during incineration pose serious threats to the environment and health. Municipal sludge treatment is difficult to utilize as a resource, and traditional treatment methods may cause secondary pollution.
The system adopts an integrated co-processing system for multi-source waste, which integrates technologies such as sludge electric heating and drying, waste mixing and stirring, sludge pyrolysis gas-assisted combustion, and chlorobenzene online monitoring to achieve co-high-temperature incineration of municipal solid waste, medical waste and sludge, generating sludge carbon as a fuel additive, and adjusting the temperature and conveying rate of the incineration unit to reduce dioxin generation.
This solution improves incineration efficiency, reduces dioxin formation, enables sludge resource utilization, saves time and costs, enhances economic benefits, and solves the problem of co-processing multiple types of waste. It also improves and simplifies the operation process, effectively increases processing efficiency, saves time and costs associated with separately processing different types of waste, enhances the city's processing efficiency, and improves the economic benefits of the city's solid waste management system, providing a comprehensive solution for urban solid waste treatment.
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Figure CN119594407B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of waste disposal, and particularly relates to a multi-source waste integrated collaborative treatment system and method. BACKGROUND
[0002] A large amount of organic matter and harmful substances are contained in household garbage and medical garbage, and a variety of harmful gases are easily generated in the incineration process, in which dioxin is a typical persistent organic pollutant, which has great harm to the environment and human health. Therefore, how to effectively inhibit the generation of dioxin in the incineration process has become a key technical problem in the field of garbage incineration treatment.
[0003] In the prior art, household garbage and medical garbage are usually treated separately, and this separation treatment method is low in efficiency, and requires a large amount of equipment investment and occupies a large land area. In addition, municipal sludge, as another type of solid waste, also faces disposal problems. Traditional sludge treatment methods such as landfill or simple drying may cause secondary pollution, and the resources in the sludge are not fully utilized. SUMMARY
[0004] In order to solve the above problems, the application provides a multi-source waste integrated collaborative treatment system and method. The system and method for inhibiting dioxin based on integrated treatment of household garbage, medical garbage and municipal sludge by high-temperature collaborative incineration. The system realizes collaborative and efficient incineration of household garbage, medical garbage and sludge by integrating sludge electric heating drying, garbage mixing and stirring, sludge pyrolysis gas assisted combustion and chlorobenzene online monitoring. While improving the incineration efficiency, the generation of harmful substances such as dioxin is effectively reduced. The system not only solves the problem of collaborative treatment of various wastes, but also has environmental protection and economic benefits, and provides a comprehensive solution for municipal solid waste treatment.
[0005] The application solves the above technical problems by the following technical solutions.
[0006] One of the purposes of the application is to provide a multi-source waste integrated collaborative treatment system, which comprises:
[0007] A household garbage treatment unit, which is connected with a mixing unit, and is used to deliver household garbage to the mixing unit.
[0008] A medical garbage treatment unit, which is connected with the mixing unit, and is used to deliver medical garbage to the mixing unit.
[0009] A mixing unit, which is used to mix household garbage, medical garbage and sludge carbon to form a multi-source waste mixture, and collect and deliver the multi-source waste mixture to an incineration unit.
[0010] The sludge cooperative treatment unit is used for drying and carbonizing the sludge to generate sludge carbon and pyrolysis gas, and the sludge carbon is delivered to the mixing unit as a fuel additive, and the pyrolysis gas is delivered to the incineration unit.
[0011] The incineration unit is used for incinerating the multi-source waste mixture delivered by the mixing unit, and recycling the waste heat generated by the incineration, and the incineration unit is connected with a detection unit, the detection unit is used for real-time monitoring of the flue gas, and the signal is delivered to the control unit, the control unit is connected with the incineration unit, the household garbage treatment unit and the medical waste treatment unit, the control unit is used for controlling the temperature of the incineration unit and the delivery rate and the matching relationship of the household garbage treatment unit and the medical waste treatment unit, so as to adjust the concentration of chlorobenzene generated by the incineration unit, and realize the emission of dioxin to reach the standard.
[0012] Further, the above-mentioned multi-source waste integrated cooperative treatment system, the sludge cooperative treatment unit includes a sludge collection bin, a combustion furnace and a sludge carbon collection bin, the sludge collection bin delivers the sludge to the combustion furnace through the first conveyor, the combustion furnace is used for drying and carbonizing the sludge to generate sludge carbon and pyrolysis gas, and the sludge carbon is collected in the sludge carbon collection bin as a fuel additive, and the sludge carbon collection bin delivers the sludge carbon to the mixing unit through the second conveyor, and the pyrolysis gas is delivered to the incineration unit.
[0013] Further, the above-mentioned multi-source waste integrated cooperative treatment system, the detection unit includes a chlorobenzene sampler and a chlorobenzene analyzer, the chlorobenzene sampler is connected with the incineration unit and the chlorobenzene analyzer, and is used for real-time sampling of the flue gas in the incineration unit, and real-time monitoring of the chlorobenzene concentration in the flue gas through the chlorobenzene analyzer, and delivering the detection signal to the control unit.
[0014] Further, the above-mentioned multi-source waste integrated cooperative treatment system, the household garbage treatment unit includes a household garbage collection bin and a third conveyor, the household garbage collection bin and the third conveyor are connected, and the household garbage is delivered to the mixing unit through the third conveyor.
[0015] Further, the above-mentioned multi-source waste integrated cooperative treatment system, the medical waste treatment unit includes a medical waste collection bin and a fourth conveyor, the medical waste collection bin and the fourth conveyor are connected, and the medical waste is delivered to the mixing unit through the fourth conveyor.
[0016] Further, the above-mentioned multi-source waste integrated cooperative treatment system, the mixing unit includes a stirrer and a mixing bin, the stirrer is used for mixing the household garbage, the medical waste and the sludge carbon to form a multi-source waste mixture, and delivering the multi-source waste mixture to the mixing bin, and the mixing bin delivers the multi-source waste mixture to the incineration unit through the fifth conveyor.
[0017] Further, the multi-source waste integrated collaborative treatment system based on the above, the incineration unit includes an incinerator and a waste heat boiler, the incinerator and waste heat boiler are connected, the waste heat boiler is used for heat exchange to the high-temperature gas generated by the incinerator, and the flue gas outlet of the waste heat boiler is connected with a chlorobenzene sampler.
[0018] Further, the multi-source waste integrated collaborative treatment system based on the above, the control unit is signal connected with the chlorobenzene analyzer, the incinerator, the third conveyor and the fourth conveyor, the control unit is signal used for receiving the chlorobenzene concentration signal of the chlorobenzene analyzer, comparing the concentration of the emission standard, and controlling the temperature of the incineration unit and the conveying rate and the matching relationship of the third conveyor and the fourth conveyor, so as to adjust the chlorobenzene concentration generated by the incineration unit, and realize that the emission of dioxin reaches the standard.
[0019] The second object of the present application is a multi-source waste high-temperature collaborative incineration treatment method, which uses the integrated collaborative treatment system for incineration treatment, including the following steps:
[0020] The sludge is added to the sludge collaborative treatment unit, the sludge is dried by the electric heating furnace, converted into sludge carbon, and pyrolysis gas is generated.
[0021] The sludge carbon is conveyed to the mixing unit as a fuel additive through the sludge collaborative treatment unit, and the household garbage treatment unit and the medical waste treatment unit convey the household garbage and the medical waste to the mixing unit respectively.
[0022] The mixing unit stirs and mixes the household garbage, the medical waste and the sludge carbon to form a multi-source waste mixture, and collects and conveys the multi-source waste mixture to the incineration unit.
[0023] The pyrolysis gas is conveyed to the incineration unit through the conveying pipeline, the incineration unit incinerates the mixed garbage, and recycles the flue gas waste heat generated by incineration.
[0024] The flue gas generated by the incineration unit is monitored by the detection unit in real time to generate the concentration of chlorobenzene, and the signal of the concentration of chlorobenzene is transmitted to the control unit, the control unit adjusts and optimizes the combustion process of the incineration unit in real time according to the feedback signal, and controls the conveying rate and the matching relationship of the household garbage treatment unit and the medical waste treatment unit, so that the content of dioxin in the flue gas generated by the incineration unit reaches the environmental performance standard.
[0025] Compared with the prior art, the present application has the following beneficial effects:
[0026] The application provides a household garbage, medical waste and municipal sludge integrated treatment system based on high-temperature synergistic incineration and a method for inhibiting dioxin, aiming at effectively inhibiting the generation of dioxin in the incineration process and realizing the drying and resource utilization of sludge. Different properties of household garbage and medical waste are synchronously treated through a household garbage treatment unit, a medical waste treatment unit and a mixing unit, and the sludge is dried and carbonized to generate sludge carbon through the introduction of a sludge synergistic treatment unit, and the sludge carbon is transported to the mixing unit as a fuel additive, and the pyrolysis gas generated in the sludge carbonization process is transported to the incineration unit, realizing the resource utilization of sludge. The mixed mixture of multiple sources of waste is incinerated through the incineration unit, the temperature of the incineration unit is regulated and controlled by a detection unit, and the delivery rate and the matching relationship of the household garbage treatment unit and the medical waste treatment unit are controlled, so as to adjust the concentration of chlorobenzene generated by the incineration unit. The system realizes the synergistic and efficient incineration of household garbage, medical waste and sludge by integrating the technologies of sludge electric heating drying, garbage mixing and stirring, sludge pyrolysis gas auxiliary combustion and online monitoring of chlorobenzene, improves the incineration efficiency, effectively reduces the generation of harmful substances such as dioxin, realizes the synergistic treatment of multiple wastes at the same time of household garbage incineration, optimizes the incineration process, improves the incineration efficiency, and maximally reduces the emission of harmful substances. The system not only solves the problem of synergistic treatment of multiple wastes, but also has environmental protection and economic benefits, and provides a comprehensive solution for urban solid waste treatment.
[0027] The application realizes the synchronous treatment of two types of garbage with different properties through a household garbage treatment unit, a medical waste treatment unit and a mixing unit, simplifies the operation process, effectively improves the treatment efficiency, and saves the time and cost required for separate treatment of different garbage. The sludge synergistic treatment unit is introduced into the synergistic treatment system, the sludge is dried and carbonized to generate sludge carbon. This not only solves the problem of sludge treatment, but also converts it into a useful resource, realizes the resource utilization of sludge, and improves the economic benefits of the overall waste management system. BRIEF DESCRIPTION OF DRAWINGS
[0028] Figure 1 The figure is a schematic diagram of the overall structure of the application based on the integrated synergistic treatment system of multiple sources of waste.
[0029] BRIEF DESCRIPTION OF DRAWINGS
[0030] 1, sludge collection bin, 2, combustion furnace, 3, sludge carbon collection bin, 4, chlorobenzene sampler, 5, chlorobenzene analyzer, 6, household garbage collection bin, 7, medical waste collection bin, 8, stirrer, 9, mixing bin, 10, incinerator, 11, waste heat boiler, 12, flue gas outlet. DETAILED DESCRIPTION
[0031] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.
[0032] It should be noted that the professional terms used in the present application are only for the purpose of describing the specific embodiments, and are not intended to limit the protection scope of the present application. In the present application, certain terms are used to refer to specific components. Those skilled in the art should understand that the same component can be referred to by different terms. The present application does not distinguish components by the difference in terms, but by the difference in function. As mentioned throughout the specification and claims, "including" is an open term, so it should be understood as "including but not limited to".
[0033] In the prior art, household garbage and medical waste are usually treated separately. This separate treatment method is inefficient, requires a large amount of equipment investment, and occupies a large land area. In addition, municipal sludge, as another type of solid waste, also faces disposal problems. Traditional sludge treatment methods such as landfill or simple drying may cause secondary pollution and fail to fully utilize the resources in the sludge. Municipal sludge contains a large amount of organic matter. If it is pyrolyzed under high temperature conditions, sludge carbon with combustion value can be produced, which provides a new idea for the collaborative disposal of household garbage, medical waste and sludge.
[0034] Based on the above problems, a multi-source waste integrated collaborative treatment system includes:
[0035] The household garbage treatment unit is connected with a mixing unit, and is used to deliver household garbage to the mixing unit; the medical garbage treatment unit is connected with the mixing unit, and is used to deliver medical garbage to the mixing unit; the mixing unit is used to mix household garbage, medical garbage and sludge carbon to form a multi-source waste mixture, and the multi-source waste mixture is collected and delivered to a burning unit; the burning unit is used to burn the multi-source waste mixture delivered by the mixing unit, and the waste heat generated by burning is reused; the burning unit is connected with a detection unit, the detection unit is used to monitor flue gas in real time, and signals are delivered to a control unit; the control unit is connected with the burning unit, the household garbage treatment unit and the medical garbage treatment unit, and is used to control the temperature of the burning unit and the delivery rate and proportion of the household garbage treatment unit and the medical garbage treatment unit, so as to adjust the concentration of chlorobenzene generated by the burning unit and realize the discharge of dioxin reaching the standard; the sludge cooperative treatment unit is used to dry and carbonize sludge, generate sludge carbon and pyrolysis gas, and deliver the sludge carbon as a fuel additive to the mixing unit and deliver the pyrolysis gas to the burning unit.
[0036] The application provides a household garbage, medical waste and municipal sludge integrated treatment system based on high-temperature synergistic incineration and a dioxin inhibition method. The application realizes synchronous treatment of two types of garbage with different properties through the household garbage treatment unit, the medical waste treatment unit and the mixing unit, simplifies the operation process, effectively improves the treatment efficiency, and saves the time and cost required for separate treatment of different garbage; the sludge synergistic treatment unit is introduced into the synergistic treatment system, sludge carbon is generated by drying and carbonizing the sludge, which not only solves the problem of sludge treatment, but also converts the sludge into useful resources (such as energy or fertilizer), realizes the resource utilization of the sludge, and improves the economic benefits of the overall waste management system. The system realizes synergistic and efficient incineration of household garbage, medical waste and sludge by integrating sludge electric heating drying, garbage mixing and stirring, sludge pyrolysis gas assisted combustion and on-line monitoring of chlorobenzene. While improving the incineration efficiency, the generation of harmful substances such as dioxin is effectively reduced, the synergistic treatment of multiple wastes can be realized at the same time of household garbage incineration, the incineration process is optimized, the incineration efficiency is improved, and the emission of harmful substances is minimized. The system not only solves the problem of synergistic treatment of multiple wastes, but also has environmental protection and economic benefits, and provides a comprehensive solution for urban solid waste treatment.
[0037] The following is further illustrated through specific examples.
[0038] Example
[0039] The application provides a kind of based on multiple sources waste integrated synergistic treatment system, including:
[0040] The life garbage processing unit is connected with a mixing unit, and is used to deliver the life garbage to the mixing unit; the medical garbage processing unit is connected with the mixing unit, and is used to deliver the medical garbage to the mixing unit; the mixing unit is used to mix the life garbage, the medical garbage and the sludge carbon to form a multi-source waste mixture, collect the multi-source waste mixture and deliver the multi-source waste mixture to the incineration unit; the sludge cooperative processing unit is used to dry and carbonize the sludge, generate sludge carbon and pyrolysis gas, deliver the sludge carbon as a fuel additive to the mixing unit, and deliver the pyrolysis gas to the incineration unit; the incineration unit is used to incinerate the multi-source waste mixture delivered by the mixing unit, and recycle the waste heat generated by the incineration; the incineration unit is connected with a detection unit, the detection unit is used to monitor the flue gas in real time, and deliver a signal to a control unit; the control unit is connected with the incineration unit, the life garbage processing unit and the medical garbage processing unit, and is used to control the temperature of the incineration unit, the delivery rate and the matching relationship of the life garbage processing unit and the medical garbage processing unit, so as to adjust the concentration of chlorobenzene generated by the incineration unit, and realize that the emission of dioxin reaches a standard; the sludge cooperative processing unit is used to dry and carbonize the sludge, generate sludge carbon and pyrolysis gas, deliver the sludge carbon as a fuel additive to the mixing unit, and deliver the pyrolysis gas to the incineration unit.
[0041] In a specific embodiment, the sludge cooperative processing unit comprises a sludge collection bin 1, a combustion furnace 2 and a sludge carbon collection bin 3; the sludge collection bin 1 delivers the sludge to the combustion furnace 2 through a first conveyor, the combustion furnace 2 is used to dry and carbonize the sludge, generate sludge carbon and pyrolysis gas, and collect the sludge carbon as a fuel additive in the sludge carbon collection bin 3; the sludge carbon collection bin 3 delivers the sludge carbon to the mixing unit through a second conveyor, and delivers the pyrolysis gas to the incineration unit. The sludge includes municipal sludge and the like, and the second conveyor is a second conveyor belt; the combustion furnace 2 adopts an electric heating mode for drying and pyrolysis, can automatically adjust the drying time and temperature according to the water content of the sludge, so as to ensure that the sludge is in a suitable combustion state before entering the incineration furnace 10; the sludge is converted into sludge carbon by the combustion furnace 2, and the sludge carbon is sent into the incineration furnace 10 as auxiliary fuel together with other waste for incineration. The pyrolysis gas generated by the sludge electric heating furnace is introduced into the incineration furnace 10 at the same time, which further improves the combustion efficiency and the heat energy utilization rate. Not only the problem of sludge treatment is solved, but also the sludge is converted into useful resources (such as energy or fertilizer), and the resource utilization of the sludge is realized, and the economic benefits of the overall waste management system are improved.
[0042] In a specific embodiment, the detection unit includes a chlorobenzene sampler 4 and a chlorobenzene analyzer 5, the chlorobenzene sampler 4 is connected to the incineration unit and the chlorobenzene analyzer 5, for real-time collection of flue gas in the incineration unit, and real-time monitoring of chlorobenzene concentration in the flue gas by the chlorobenzene analyzer 5, and transmitting the detection signal to the control unit. The chlorobenzene sampler 4 and the chlorobenzene analyzer 5 monitor the flue gas at the outlet of the waste heat boiler 11 in real time, for monitoring the generation of dioxin during the incineration process, and adjusting the incineration conditions according to the detection results, optimizing the combustion process, effectively reducing the emission of dioxin, and ensuring that the environmental performance of the system meets the standards, to ensure that the harmful gas emitted meets the environmental standards, and reduces the harm to the environment. The chlorobenzene sampler 4 is connected to the outlet flue gas passage of the incineration unit, for collecting the flue gas in the outlet flue gas passage, and real-time monitoring of chlorobenzene concentration in the flue gas by the chlorobenzene analyzer 5, and feeding back the signal to the control unit. After receiving the signal of chlorobenzene concentration, the control unit compares and analyzes, and dynamically adjusts according to the feedback results of the chlorobenzene online detection system, and adjusts and optimizes the combustion process of the incineration unit in real time after comparison and analysis, for adjusting the proportion of garbage, medical waste and sludge, so as to reduce the generation of dioxin.
[0043] In a specific embodiment, the household garbage treatment unit includes a household garbage collection bin 6 and a third conveyor, the household garbage collection bin 6 and the third conveyor are connected, and the household garbage is conveyed to the mixing unit through the third conveyor. The household garbage collection bin 6 is used for collecting and storing household garbage, and the third conveyor is a third conveyor belt, which conveys the stored household garbage to the mixing unit. The medical waste treatment unit includes a medical waste collection bin 7 and a fourth conveyor, the medical waste collection bin 7 and the fourth conveyor are connected, and the medical waste is conveyed to the mixing unit through the fourth conveyor. The medical waste collection bin 7 is used for collecting and storing medical waste, and the fourth conveyor is a fourth conveyor belt, which conveys the stored household garbage to the mixing unit. Among them, the household garbage and the medical waste enter the mixing unit through the respective feeding paths for uniform mixing, ensuring that the medical waste avoids cross contamination before mixing with the household garbage, improving the hygiene safety of the system, mixing the household garbage and the medical waste through the special conveyor belt and the mixer, realizing the synchronous treatment of two types of different garbage, simplifying the operation process, effectively improving the treatment efficiency, saving the time and cost required for separate treatment of different garbage, and ensuring the full combustion of the two types of garbage during the incineration process.
[0044] In a specific embodiment, the mixing unit comprises a mixer 8 for mixing the household garbage, medical garbage and sludge to form a multi-source waste mixture, and a mixing bin 9 for conveying the multi-source waste mixture into the mixing bin 9, and a fifth conveyor for conveying the multi-source waste mixture into the incineration unit. The mixer 8 is a mixing blender, and the fifth conveyor is a fifth conveyor belt. The mixing blender can adjust the stirring intensity and time according to the composition and moisture content of the garbage to ensure that the household garbage and medical garbage are mixed in the best state and enter the mixing bin 9 through the fifth conveyor belt, and then are conveyed into the incinerator 10, thereby improving the combustion efficiency. The mixed garbage is temporarily stored in the mixing bin 9, and then is sent into the incineration unit through the conveying system for high-temperature incineration treatment. This process ensures continuous and efficient treatment of waste.
[0045] In a specific embodiment, the incineration unit comprises an incinerator 10 and a waste heat boiler 11 connected to each other, and the waste heat boiler 11 is used for heat exchange of high-temperature gas generated by the incinerator 10, and the flue gas outlet 12 of the waste heat boiler 11 is connected to the chlorobenzene sampler 4. The incinerator 10 is a household garbage incinerator 10 having a multi-layer furnace structure, so as to adjust the combustion speed and efficiency of each layer according to the combustion characteristics of the household garbage, medical garbage and sludge, thereby realizing efficient incineration. The control unit is used for precise adjustment of the temperature in different areas of the incinerator 10, so as to ensure efficient combustion of the multi-source waste mixture at a suitable temperature, reduce the generation of unburned materials and harmful gases, and reduce the generation of unburned materials and harmful gases. The waste heat generated by the incinerator 10 during the incineration process enters the waste heat boiler 11, which can be recovered by a waste heat recovery system to provide heat energy support for the treatment system or to generate electricity, thereby realizing secondary utilization of energy. The outlet of the waste heat boiler 11 is connected to the chlorobenzene sampler 4 and the chlorobenzene analyzer 5, and the outlet flue gas is monitored in real time by the dioxin online detection device to ensure that the harmful gas discharged meets the environmental protection standard and reduces the harm to the environment.
[0046] In a specific embodiment, the control unit is signal-connected to the chlorobenzene analyzer 5, the incinerator 10, the third conveyor and the fourth conveyor. The control unit receives the chlorobenzene concentration signal of the chlorobenzene analyzer 5, compares it with the standard concentration, and controls the temperature of the incineration unit and the conveying speed and ratio of the third conveyor and the fourth conveyor to adjust the chlorobenzene concentration generated by the incineration unit, so as to realize the emission of dioxin to meet the standard.
[0047] The high-temperature collaborative incineration treatment method using the above treatment system comprises the following steps:
[0048] S1, collecting and storing the household garbage in the household garbage collection bin 6, and conveying the stored household garbage into the mixing blender through the third conveyor belt.
[0049] S2, the medical waste collection bin 7 is used to collect and store medical waste, while the third conveyor belt is conveying the stored household waste to the mixing blender, the fourth conveyor belt is conveying the stored medical waste to the mixing blender, the household waste and medical waste enter the mixing blender through their respective feeding paths for uniform mixing, ensuring that medical waste avoids cross contamination before mixing with household waste, improving the hygiene and safety of the system, mixing household waste and medical waste through dedicated conveyor belts and blenders realizes the synchronous processing of two types of different nature of garbage, simplifying the operation process.
[0050] S3, the sludge collection bin 1 collects and stores sludge, and the combustion furnace 2 uses electric heating to dry and pyrolyze, which can automatically adjust the drying time and temperature according to the water content of the sludge to ensure that the sludge is in a suitable combustion state before entering the incinerator 10, and the sludge carbon converted by the combustion furnace 2 is used as auxiliary fuel and sent to the mixing blender through the second conveyor belt.
[0051] S3, the mixing blender mixes household waste, medical waste and sludge carbon to form a multi-source waste mixture, which is temporarily stored in the mixing bin 9 and then sent to the incinerator 10 in the incineration unit through the fifth conveyor belt.
[0052] S4, the incinerator 10 has a multi-layer furnace structure, and the combustion speed of each layer is set according to the combustion characteristics of household waste, medical waste and sludge carbon, and the combustion parameters of each layer such as air supply and grate speed are independently controlled to optimize the incineration process of each type of waste. Specifically, the air supply may need to be increased to promote combustion for household waste, while the grate speed may need to be adjusted to ensure complete combustion of harmful substances for medical waste. The sludge carbon is temperature controlled according to its specific combustion requirements to achieve efficient incineration. The waste heat generated during the incineration process of the incinerator 10 enters the waste heat boiler 11, which can be recovered through a waste heat recovery system to provide thermal energy support for the treatment system or for power generation, realizing the secondary utilization of energy. The outlet of the waste heat boiler 11 is connected to the chlorobenzene sampler 4 and the chlorobenzene analyzer 5, and the outlet flue gas is monitored in real time by the dioxin online detection device to ensure that the harmful gas discharged meets environmental standards and reduces harm to the environment.
[0053] S5, the chlorobenzene analyzer 5 monitors the flue gas at the outlet of the waste heat boiler 11 in real time, monitors the generation of dioxin in the flue gas at the outlet of the waste heat boiler 11 during the incineration process, and feeds back the result signal to the control unit. After the control unit receives the signal of the chlorobenzene concentration, after comparison and analysis, according to the feedback result of the chlorobenzene analyzer 5, the combustion process of the incinerator 10 is adjusted in real time, and the conveying speed and the matching relationship of the third conveying belt and the fourth conveying belt are adjusted, the proportion of garbage, medical waste and sludge is adjusted, the concentration of chlorobenzene generated by the incineration unit is adjusted, and the emission of dioxin reaches the standard.
[0054] In summary, the present application provides a kind of based on multi-source waste integrated collaborative processing system and method.The integrated processing system of municipal sludge, medical waste and municipal sludge based on high-temperature collaborative incineration and the method for inhibiting dioxin.The system realizes the collaborative efficient incineration of municipal sludge, medical waste and sludge by integrating sludge electric heating drying, garbage mixing and stirring, sludge pyrolysis gas assisted combustion and chlorobenzene online monitoring technology.At the same time of improving the incineration efficiency, the generation of harmful substances such as dioxin is effectively reduced.The system not only solves the problem of collaborative processing of multiple wastes, but also has environmental protection and economic benefits, and provides a comprehensive solution for municipal solid waste treatment.
[0055] It should be noted that when numerical ranges are involved in the present application, both endpoints of each numerical range and any number between the two endpoints can be selected. Since the same steps and examples are used, the preferred embodiments are described in the present application to prevent redundancy. Although the preferred embodiments of the present application have been described, those skilled in the art can make additional changes and modifications to the embodiments once they understand the basic inventive concept. Therefore, the appended claims are intended to include the preferred embodiments and all changes and modifications falling within the scope of the present application.
[0056] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.
Claims
1. A multi-source waste integrated collaborative treatment system based on, characterized in that, The utility model relates to a medical waste treatment unit, a sludge treatment unit, a mixed unit, a control unit and a detection unit, and the medical waste treatment unit is connected with the mixed unit, the sludge treatment unit is connected with the mixed unit, the mixed unit is used for mixing the medical waste, the sludge and the sludge carbon to form a multi-source waste mixture, and the multi-source waste mixture is collected and transported to the incineration unit, the sludge treatment unit is used for drying and carbonizing the sludge to generate the sludge carbon and the pyrolysis gas, and the sludge carbon is transported to the mixed unit as a fuel additive, and the pyrolysis gas is transported to the incineration unit, the incineration unit is used for incinerating the multi-source waste mixture transported by the mixed unit, and the residual heat generated by the incineration is reused, the detection unit is connected with the incineration unit, the detection unit is used for monitoring the flue gas in real time, and the signal is transported to the control unit, the control unit is connected with the incineration unit, the medical waste treatment unit and the sludge treatment unit, the control unit is used for adjusting the temperature of the incineration unit and controlling the transportation rate and the matching relationship of the medical waste treatment unit and the sludge treatment unit to adjust the concentration of chlorobenzene generated by the incineration unit, so that the emission of dioxin reaches the standard, the detection unit includes a chlorobenzene sampler (4) and a chlorobenzene analyzer (5), the chlorobenzene sampler (4) is connected with the incineration unit and the chlorobenzene analyzer (5), is used for collecting the flue gas in the incineration unit in real time, and the concentration of chlorobenzene in the flue gas is monitored in real time through the chlorobenzene analyzer (5), and the detection signal is transported to the control unit, the medical waste treatment unit includes a medical waste collection bin (7) and a fourth conveyor, the medical waste collection bin (7) is connected with the fourth conveyor, and the medical waste is transported to the mixed unit through the fourth conveyor, the incineration unit includes an incinerator (10) and a waste heat boiler (11), the incinerator (10) is connected with the waste heat boiler (11), the waste heat boiler (11) is used for heat exchange of the high-temperature gas generated by the incinerator (10), and the flue gas outlet (12) of the waste heat boiler (11) is connected with the chlorobenzene sampler (4), the control unit is connected with the chlorobenzene analyzer (5), the incinerator (10), the third conveyor and the fourth conveyor, and the control unit is used for receiving the chlorobenzene concentration signal of the chlorobenzene analyzer (5), comparing the standard concentration, controlling the temperature of the incineration unit and the transportation rate and the matching relationship of the third conveyor and the fourth conveyor to adjust the concentration of chlorobenzene generated by the incineration unit, so that the emission of dioxin reaches the standard. 2. The multi-source waste integrated collaborative treatment system according to claim 1, wherein, The sludge synergic treatment unit comprises a sludge collecting bin (1), a combustion furnace (2) and a sludge carbon collecting bin (3), the sludge collecting bin (1) is used for conveying sludge into the combustion furnace (2) through a first conveyor, the combustion furnace (2) is used for drying and carbonizing the sludge to generate sludge carbon and pyrolysis gas, and the sludge carbon is collected as a fuel additive in the sludge carbon collecting bin (3), and the sludge carbon collecting bin (3) is used for conveying the sludge carbon to the mixing unit through a second conveyor, and the pyrolysis gas is conveyed to the incineration unit.
3. The multi-source waste integrated collaborative treatment system according to claim 1, wherein, The mixing unit comprises a stirrer (8) and a mixing bin (9), the stirrer (8) is used for mixing the domestic waste, the medical waste and the sludge carbon to form a multi-source waste mixture, and conveying the multi-source waste mixture into the mixing bin (9), and the mixing bin (9) is used for conveying the multi-source waste mixture to the incineration unit through a fifth conveyor.
4. A multi-source waste high-temperature synergistic incineration treatment method, characterized by, The integrated synergic treatment system according to any one of claims 1-3 is used for incineration treatment, comprising the following steps: The sludge is added into the sludge synergic treatment unit, the sludge is dried by an electric heating furnace to be converted into sludge carbon, and pyrolysis gas is generated; The sludge carbon is conveyed as a fuel additive to the mixing unit through the sludge synergic treatment unit, and the domestic waste treatment unit and the medical waste treatment unit convey the domestic waste and the medical waste to the mixing unit respectively; The mixing unit stirs and mixes the domestic waste, the medical waste and the sludge carbon to form a multi-source waste mixture, and collects and conveys the multi-source waste mixture to the incineration unit; The pyrolysis gas is conveyed to the incineration unit through a conveying pipeline, the incineration unit incinerates the multi-source waste mixture conveyed by the mixing unit, and recycles and utilizes the flue gas waste heat generated by incineration; The flue gas generated by the incineration unit is monitored in real time by the detection unit to generate a chlorobenzene concentration, and the signal of the chlorobenzene concentration is transmitted to the control unit, the control unit adjusts and optimizes the combustion process of the incineration unit in real time according to the feedback signal after comparison and analysis, and controls the conveying speed and the matching relationship of the domestic waste treatment unit and the medical waste treatment unit, so that the content of dioxin in the flue gas generated by the incineration unit reaches the environmental performance standard.
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