CN216106779U - Organic matter preheating and pyrolysis combined treatment system utilizing double-circulation heat carrier - Google Patents
Organic matter preheating and pyrolysis combined treatment system utilizing double-circulation heat carrier Download PDFInfo
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- CN216106779U CN216106779U CN202121776050.0U CN202121776050U CN216106779U CN 216106779 U CN216106779 U CN 216106779U CN 202121776050 U CN202121776050 U CN 202121776050U CN 216106779 U CN216106779 U CN 216106779U
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Abstract
The utility model discloses an organic matter preheating and pyrolysis combined treatment system utilizing a double-circulation heat carrier, which comprises a crushing device, a first feeding device, a preheating device, a first heat carrier separation device, a first heat carrier heater, a second feeding device, a pyrolysis device, a dust remover, a second heat carrier heater and an oil-gas separation device, wherein the crushing device is used for crushing organic matters; the dual-circulation mode of preheating by circulating the first heat carrier and pyrolyzing by circulating the second heat carrier is established, the preheating efficiency and the pyrolysis efficiency are greatly improved, organic solid waste is pyrolyzed and converted into clean pyrolysis oil and pyrolysis gas, and the whole process does not produce environmental pollution problems such as dioxin. Meanwhile, the waste heat of the flue gas is fully utilized, the heat utilization efficiency of the system is further improved, and the harmless and recycling comprehensive utilization of the organic solid waste is realized.
Description
Technical Field
The utility model relates to the technical field of organic solid waste treatment, in particular to an organic matter preheating and pyrolysis combined treatment system utilizing a double-circulation heat carrier.
Background
About 62 hundred million tons of organic solid wastes are produced in China each year, mainly from planting, animal husbandry, industrial and municipal wastes, and account for about 60 percent of the total solid waste produced. Common organic wastes include kitchen wastes, waste paper, waste plastics, waste fabrics, excrement, garden wastes in municipal domestic wastes, oil sludge in industrial solid wastes, residues of Chinese herbal medicines, textile printing and dyeing leftovers, leather industrial leftovers and the like. The organic solid waste has the characteristics of multiple sources, high yield, complex components, unfixed composition yield and large regional difference, and the putrefactive decomposition of biomass causes great pollution to the environment. The organic solid waste has high organic matter content and is flammable and can be recycled as energy. Therefore, the method has very important practical significance for reducing, harmlessly and recycling the organic solid waste.
The main treatment methods of the organic solid wastes are landfill and incineration. However, solid waste landfill occupies a large land area, part of waste is difficult to naturally degrade, and the waste exists for a long time in the landfill process, and causes secondary pollution to soil and water; the organic solid waste has obvious effect of reducing quantity by burning, and can recover partial heat energy, but the burning can cause serious environmental pollution, and harmful substances such as dioxin, acid gas, fly ash and the like are generated, and meanwhile, the related equipment is damaged.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide an organic matter preheating and pyrolysis combined treatment system utilizing a double-circulation heat carrier, a double-circulation mode for preheating the circulation first heat carrier and pyrolyzing the circulation second heat carrier is established, the preheating efficiency and the pyrolysis efficiency are greatly improved, organic solid wastes are pyrolyzed and converted into clean pyrolysis oil and pyrolysis gas, and the problems of environmental pollution such as dioxin and the like are not generated in the whole process. Meanwhile, the waste heat of the flue gas is fully utilized, the heat utilization efficiency of the system is further improved, and the harmless and recycling comprehensive utilization of the organic solid waste is realized.
The purpose of the utility model is realized by adopting the following technical scheme:
an organic matter preheating and pyrolysis combined treatment system utilizing a double-circulation heat carrier comprises a crushing device, a first feeding device, a preheating device, a first heat carrier separation device, a first heat carrier heater, a second feeding device, a pyrolysis device, a dust remover, a second heat carrier heater and an oil-gas separation device;
the organic solid waste outlet of the crushing device is connected with the organic solid waste inlet of the first feeding device, the heat carrier outlet of the first heat carrier heater is connected with the first heat carrier inlet of the first feeding device, the material outlet of the first feeding device is connected with the material inlet of the preheating device, the material outlet of the preheating device is connected with the material inlet of the first heat carrier separating device, the first heat carrier outlet of the first heat carrier separating device is connected with the first heat carrier inlet of the first heat carrier heater, and the first heat carrier outlet of the first heat carrier heater is connected with the first heat carrier inlet of the first feeding device, so that the recycling of the first heat carrier is realized; wherein the heating temperature of the first heat carrier heater is 100-500 ℃.
The organic solid waste outlet of the first heat carrier separation device is connected with the organic solid waste inlet of the second feeding device; a material outlet of the second feeding device is connected with an inlet of the pyrolysis device, a second heat carrier and ash outlet of the pyrolysis device is connected with a second heat carrier and ash inlet of the second heat carrier heater, a pyrolysis oil-gas outlet of the pyrolysis device is connected with a pyrolysis oil-gas inlet of the dust remover, a second heat carrier outlet of the dust remover is connected with a second heat carrier inlet of the second heat carrier heater, a pyrolysis oil-gas outlet of the dust remover is connected with an inlet of the oil-gas separation device, and a pyrolysis gas outlet of the oil-gas separation device is connected with a pyrolysis gas inlet of the second heat carrier heater; and a second heat carrier inlet of the second feeding device is connected with a second heat carrier outlet of the second heat carrier heater, so that the recycling of the second heat carrier is realized. Wherein the pyrolysis temperature is 400-700 ℃, and the heating temperature of the second heat carrier heater is 600-1100 ℃.
Specifically, pyrolysis refers to the basic thermochemical process of heating organic solid waste in the absence or presence of small amounts of oxidants to decompose large molecular species into smaller molecular fuel species by thermochemical reactions that convert them into useful fuels or chemical feedstocks. The pyrolysis technology has the outstanding advantages that no toxic and harmful secondary pollutants are generated, and the maximum resource recovery can be realized for various wastes. The pyrolysis of the heat carrier refers to a process of directly providing heat and high temperature for the organic solid waste to be pyrolyzed by the heat carrier. Its obvious advantage is: the waste heat that can make full use of pyrolysis lime-ash can improve heat exchange efficiency by a wide margin through the mode with material direct contact heat transfer to shorten reaction time and improve pyrolysis efficiency, realize the degree of depth utilization of cleavage product, reduce energy consumption and investment cost, be a solid waste disposal technology who has economy and environmental protection benefit.
Further, the organic matter preheating and pyrolysis combined treatment system utilizing the double-circulation heat carrier further comprises a water-gas separation device and a wastewater treatment device, a water-gas outlet of the preheating device is connected with an inlet of the water-gas separation device, a wastewater outlet of the water-gas separation device is connected with the wastewater treatment device, and a waste gas outlet of the water-gas separation device is connected with a fuel inlet of the second heat carrier heater.
Still further, the organic matter that utilizes the dual cycle heat carrier preheats and the pyrolysis unites processing system still includes waste heat recovery device and flue gas purification device, the exhanst gas outlet of second heat carrier heater with the flue gas access connection of first heat carrier heater, the exhanst gas outlet of first heat carrier heater and waste heat recovery device's flue gas access connection, waste heat recovery device's exhanst gas outlet and flue gas purification device's access connection.
Further, the first heat carrier is one of a steel ball, a ceramic ball or a silicon carbide ball.
Still further, the first feeding device is connected by one or more than two of a hopper, a spiral conveyor, a chute, a lifter or a scraper conveyor.
Further, the first heat carrier separation device is one or more of a magnetic separation device, a screening device or a gravity separation device which are connected in a combined manner.
Still further, the second heat carrier is one of fly ash, steel balls, ceramic balls, silicon carbide balls, quartz sand or cement.
Further, the second feeding device is connected by one or more than two of a hopper, a spiral conveyor, a chute, a lifter or a scraper conveyor.
Still further, the dust remover is one or more than two of a cyclone dust remover, a ceramic dust remover or a metal film dust remover which are combined and connected.
Further, the organic matter preheating and pyrolysis combined treatment system utilizing the double-circulation heat carrier further comprises an external gas device and/or an oil device, and the external gas device and/or the oil device are connected with the second heat carrier heater.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the utility model establishes a double circulation mode of circulating the first heat carrier for preheating and circulating the second heat carrier for pyrolysis by arranging the first heat carrier heater, the first heat carrier separating device, the preheating device, the second heat carrier heater, the pyrolysis device and the dust remover, organic solid wastes are firstly mixed with the first heat carrier from the first heat carrier heater in the first feeding device and then enter the preheating device for preheating the organic solid wastes, then the organic solid wastes are separated from the first heat carrier separating device, the organic solid wastes enter the second feeding device and are mixed with the second heat carrier from the second heat carrier heater and enter the pyrolysis device, the second heat carrier pyrolyzes the organic solid wastes in a way of directly contacting with the organic solid wastes for heat exchange, the heat exchange efficiency can be greatly improved, and the second heat carrier and ash residues are continuously circulated to the second heat carrier heater from the pyrolysis device, the method can effectively shorten the reaction time, improve the pyrolysis efficiency and realize the harmless and recycling comprehensive utilization of the organic solid wastes.
(2) The flue gas heat recovery system is also provided with a waste heat recovery device, the first heat carrier heater is used for heating the first heat carrier, the flue gas generated by heating of the second heat carrier heater enters the first heat carrier heater, heat is provided for heating of the first heat carrier, the flue gas after heat exchange enters the waste heat recovery device for further heat recovery, the heat of the waste heat recovery device can be used for standby or used for power generation for each device, the waste heat of the flue gas is fully utilized, and the heat utilization efficiency of the system is further improved.
(3) According to the pyrolysis device, after organic solid waste is pyrolyzed into pyrolysis oil gas, the pyrolysis oil gas enters the dust remover and the oil-gas separation device in sequence to obtain pyrolysis gas, and then enters the second heat carrier heater to provide heat for heating the second heat carrier, and if the gas quantity is insufficient, gas or fuel oil is introduced from the outside to serve as a heat source, so that the cost can be effectively reduced.
Drawings
FIG. 1 is a schematic view showing the connection of the apparatus of example 1;
FIG. 2 is a schematic view showing the connection of the devices of embodiments 2 to 3.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
Example 1
An organic matter preheating and pyrolysis combined treatment system utilizing a double-circulation heat carrier is shown in fig. 1 and comprises a crushing device, a first feeding device, a preheating device, a first heat carrier separation device, a first heat carrier heater, a second feeding device, a pyrolysis device, a dust remover, a second heat carrier heater and an oil-gas separation device;
the organic solid waste outlet of the crushing device is connected with the organic solid waste inlet of the first feeding device, the heat carrier outlet of the first heat carrier heater is connected with the first heat carrier inlet of the first feeding device, the material outlet of the first feeding device is connected with the material inlet of the preheating device, the material outlet of the preheating device is connected with the material inlet of the first heat carrier separating device, the first heat carrier outlet of the first heat carrier separating device is connected with the first heat carrier inlet of the first heat carrier heater, and the first heat carrier outlet of the first heat carrier heater is connected with the first heat carrier inlet of the first feeding device, so that the recycling of the first heat carrier is realized;
the organic solid waste outlet of the first heat carrier separation device is connected with the organic solid waste inlet of the second feeding device; a material outlet of the second feeding device is connected with an inlet of the pyrolysis device, a second heat carrier and ash outlet of the pyrolysis device is connected with a second heat carrier and ash inlet of the second heat carrier heater, a pyrolysis oil-gas outlet of the pyrolysis device is connected with a pyrolysis oil-gas inlet of the dust remover, a second heat carrier outlet of the dust remover is connected with a second heat carrier inlet of the second heat carrier heater, a pyrolysis oil-gas outlet of the dust remover is connected with an inlet of the oil-gas separation device, and a pyrolysis gas outlet of the oil-gas separation device is connected with a pyrolysis gas inlet of the second heat carrier heater; the smoke inlet of the first heat carrier heater is connected with the smoke outlet of the second heat carrier heater, and the second heat carrier inlet of the second feeding device is connected with the second heat carrier outlet of the second heat carrier heater.
The method for utilizing the organic matter preheating and pyrolysis combined treatment system of the double-circulation heat carrier comprises the following steps of:
the organic solid waste raw material is crushed by the crushing device and then enters the first feeding device, and then enters the preheating device after being fully mixed with the first heat carrier. The first feeding device adopts a screw conveyer, and the first heat carrier adopts steel balls. The organic solid waste and the first heat carrier are directly contacted and heat exchanged in the preheating device, so that the organic solid waste is dried and preheated, and the preheating temperature is 60 ℃. The preheated organic solid waste and the first heat carrier enter a first heat carrier separation device, and the first heat carrier separation device adopts a gravity separation device. The separated first heat carrier enters a first heat carrier heater, and is reheated by flue gas, wherein the heating temperature is 300 ℃. The heated first heat carrier is sent to a first feeding device for recycling.
The preheated and separated organic solid waste enters a second feeding device, is fully mixed with a second heat carrier and then enters a pyrolysis device. The second feeding device adopts a chute, and the second heat carrier adopts quartz sand. The organic solid waste and the second heat carrier are directly contacted and heat exchanged in the pyrolysis device, the organic solid waste is pyrolyzed in an oxygen-free or oxygen-deficient atmosphere, and the pyrolysis temperature is 500 ℃. Pyrolysis oil gas generated by pyrolysis enters a dust remover, and the dust remover adopts a cyclone dust remover. And the rest ash and the second heat carrier enter a second heat carrier heater for reheating. And the second heat carrier separated by the dust remover enters a second heat carrier heater to be reheated, the dedusted pyrolysis oil gas enters an oil-gas separation device to separate out pyrolysis oil and pyrolysis gas, and the pyrolysis gas enters the second heat carrier heater. The heating temperature of the second heat carrier is 900 ℃. The heated second heat carrier enters the second feeding device again for recycling. Flue gas generated by heating of the second heat carrier heater enters the first heat carrier heater to provide heat for the first heat carrier.
Example 2
An organic matter preheating and pyrolysis combined treatment system utilizing a double-circulation heat carrier is shown in fig. 2 and comprises a crushing device, a first feeding device, a preheating device, a first heat carrier separation device, a first heat carrier heater, a second feeding device, a pyrolysis device, a dust remover, a second heat carrier heater, an oil-gas separation device, a water-gas separation device, a wastewater treatment device, a waste heat recovery device and a flue gas purification device;
the organic solid waste outlet of the crushing device is connected with the organic solid waste inlet of the first feeding device, the heat carrier outlet of the first heat carrier heater is connected with the first heat carrier inlet of the first feeding device, the material outlet of the first feeding device is connected with the material inlet of the preheating device, the material outlet of the preheating device is connected with the material inlet of the first heat carrier separating device, the first heat carrier outlet of the first heat carrier separating device is connected with the first heat carrier inlet of the first heat carrier heater, and the first heat carrier outlet of the first heat carrier heater is connected with the first heat carrier inlet of the first feeding device, so that the recycling of the first heat carrier is realized;
the organic solid waste outlet of the first heat carrier separation device is connected with the organic solid waste inlet of the second feeding device; a material outlet of the second feeding device is connected with an inlet of the pyrolysis device, a second heat carrier and ash outlet of the pyrolysis device is connected with a second heat carrier and ash inlet of the second heat carrier heater, a pyrolysis oil-gas outlet of the pyrolysis device is connected with a pyrolysis oil-gas inlet of the dust remover, a second heat carrier outlet of the dust remover is connected with a second heat carrier inlet of the second heat carrier heater, a pyrolysis oil-gas outlet of the dust remover is connected with an inlet of the oil-gas separation device, and a pyrolysis gas outlet of the oil-gas separation device is connected with a pyrolysis gas inlet of the second heat carrier heater; the smoke inlet of the first heat carrier heater is connected with the smoke outlet of the second heat carrier heater, and the second heat carrier inlet of the second feeding device is connected with the second heat carrier outlet of the second heat carrier heater.
And a water vapor outlet of the preheating device is connected with an inlet of the water vapor separation device, a wastewater outlet of the water vapor separation device is connected with a wastewater treatment device, and a waste gas outlet of the water vapor separation device is connected with a fuel inlet of the second heat carrier heater. The flue gas outlet of the second heat carrier heater is connected with the flue gas inlet of the first heat carrier heater, the flue gas outlet of the first heat carrier heater is connected with the flue gas inlet of the waste heat recovery device, and the flue gas outlet of the waste heat recovery device is connected with the inlet of the flue gas purification device.
The method for utilizing the organic matter preheating and pyrolysis combined treatment system of the double-circulation heat carrier comprises the following steps of:
the organic solid waste raw material is crushed by the crushing device and then enters the first feeding device, and then enters the preheating device after being fully mixed with the first heat carrier. The first feeding device adopts a screw conveyer, and the first heat carrier adopts steel balls. The organic solid waste and the first heat carrier are directly contacted and heat exchanged in the preheating device, so that the drying and preheating of the organic solid waste are realized, and the preheating temperature is 150 ℃. And water vapor and volatile organic compounds generated in the preheating process enter the water vapor separation device, separated wastewater enters the wastewater treatment device, and waste gas enters the second heat carrier heater. The preheated organic solid waste and the first heat carrier enter a first heat carrier separation device, and the first heat carrier separation device adopts a magnetic separation device. The separated first heat carrier enters a first heat carrier heater, and is reheated by flue gas, wherein the heating temperature is 300 ℃. The heated first heat carrier is sent to a first feeding device for recycling.
The preheated and separated organic solid waste enters a second feeding device, is fully mixed with a second heat carrier and then enters a pyrolysis device. The second feeding device adopts a chute, and the second heat carrier adopts quartz sand. The organic solid waste and the second heat carrier are directly contacted and heat exchanged in the pyrolysis device, the organic solid waste is pyrolyzed in an oxygen-free or oxygen-deficient atmosphere, and the pyrolysis temperature is 500 ℃. Pyrolysis oil gas generated by pyrolysis enters a dust remover, and the dust remover adopts a cyclone dust remover. And the rest ash and the second heat carrier enter a second heat carrier heater for reheating. And the second heat carrier separated by the dust remover enters a second heat carrier heater to be reheated, the dedusted pyrolysis oil gas enters an oil-gas separation device to separate out pyrolysis oil and pyrolysis gas, and the pyrolysis gas enters the second heat carrier heater. The pyrolysis gas from the oil-gas separation device and the VOC from the water-gas separation device are combusted in a second heat carrier heater, and the heating temperature of the second heat carrier is 900 ℃. The heated second heat carrier enters the second feeding device again for recycling. Flue gas generated by heating of the second heat carrier heater enters the first heat carrier heater to provide heat for the first heat carrier, the flue gas after heat exchange enters the waste heat recovery device to generate electricity to further recover heat, and the flue gas after heat exchange finally enters the flue gas purification device.
Example 3
An organic matter preheating and pyrolysis combined treatment system utilizing a double-circulation heat carrier is shown in fig. 2 and comprises a crushing device, a first feeding device, a preheating device, a first heat carrier separation device, a first heat carrier heater, a second feeding device, a pyrolysis device, a dust remover, a second heat carrier heater, an oil-gas separation device, a water-gas separation device, a wastewater treatment device, a waste heat recovery device and a flue gas purification device;
the organic solid waste outlet of the crushing device is connected with the organic solid waste inlet of the first feeding device, the heat carrier outlet of the first heat carrier heater is connected with the first heat carrier inlet of the first feeding device, the material outlet of the first feeding device is connected with the material inlet of the preheating device, the material outlet of the preheating device is connected with the material inlet of the first heat carrier separating device, the first heat carrier outlet of the first heat carrier separating device is connected with the first heat carrier inlet of the first heat carrier heater, and the first heat carrier outlet of the first heat carrier heater is connected with the first heat carrier inlet of the first feeding device, so that the recycling of the first heat carrier is realized;
the organic solid waste outlet of the first heat carrier separation device is connected with the organic solid waste inlet of the second feeding device; a material outlet of the second feeding device is connected with an inlet of the pyrolysis device, a second heat carrier and ash outlet of the pyrolysis device is connected with a second heat carrier and ash inlet of the second heat carrier heater, a pyrolysis oil-gas outlet of the pyrolysis device is connected with a pyrolysis oil-gas inlet of the dust remover, a second heat carrier outlet of the dust remover is connected with a second heat carrier inlet of the second heat carrier heater, a pyrolysis oil-gas outlet of the dust remover is connected with an inlet of the oil-gas separation device, and a pyrolysis gas outlet of the oil-gas separation device is connected with a pyrolysis gas inlet of the second heat carrier heater; the smoke inlet of the first heat carrier heater is connected with the smoke outlet of the second heat carrier heater, and the second heat carrier inlet of the second feeding device is connected with the second heat carrier outlet of the second heat carrier heater.
And a water vapor outlet of the preheating device is connected with an inlet of the water vapor separation device, a wastewater outlet of the water vapor separation device is connected with a wastewater treatment device, and a waste gas outlet of the water vapor separation device is connected with a fuel inlet of the second heat carrier heater. The flue gas outlet of the second heat carrier heater is connected with the flue gas inlet of the first heat carrier heater, the flue gas outlet of the first heat carrier heater is connected with the flue gas inlet of the waste heat recovery device, and the flue gas outlet of the waste heat recovery device is connected with the inlet of the flue gas purification device.
The method for utilizing the organic matter preheating and pyrolysis combined treatment system of the double-circulation heat carrier comprises the following steps of:
the organic solid waste raw material is crushed by the crushing device and then enters the first feeding device, and then enters the preheating device after being fully mixed with the first heat carrier. The first feeding device adopts a chute, and the first heat carrier adopts ceramic balls. The organic solid waste and the first heat carrier are directly contacted and heat exchanged in the preheating device, so that the organic solid waste is dried and preheated, and the preheating temperature is 120 ℃. And water vapor and volatile organic compounds generated in the preheating process enter the water vapor separation device, separated wastewater enters the wastewater treatment device, and waste gas enters the second heat carrier heater. The preheated organic solid waste and the first heat carrier enter a first heat carrier separation device, and the first heat carrier separation device adopts a screening device. The separated first heat carrier enters a first heat carrier heater, and is reheated by flue gas, wherein the heating temperature is 250 ℃. The heated first heat carrier is sent to a first feeding device for recycling.
The preheated and separated organic solid waste enters a second feeding device, is fully mixed with a second heat carrier and then enters a pyrolysis device. The second feeding device adopts a screw conveyer, and the second heat carrier adopts cement. The organic solid waste and the second heat carrier are directly contacted and heat exchanged in the pyrolysis device, the organic solid waste is pyrolyzed in an oxygen-free or oxygen-deficient atmosphere, and the pyrolysis temperature is 550 ℃. Pyrolysis oil gas generated by pyrolysis enters a dust remover, and the dust remover adopts a ceramic dust remover. And the rest ash and the second heat carrier enter a second heat carrier heater for reheating. And the second heat carrier separated by the dust remover enters a second heat carrier heater to be reheated, the dedusted pyrolysis oil gas enters an oil-gas separation device to separate out pyrolysis oil and pyrolysis gas, and the pyrolysis gas enters the second heat carrier heater. The pyrolysis gas from the oil-gas separation device and the VOC from the water-gas separation device are combusted in a second heat carrier heater, and the heating temperature of the second heat carrier is 800 ℃. The heated second heat carrier enters the second feeding device again for recycling. Flue gas generated by heating of the second heat carrier heater enters the first heat carrier heater to provide heat for the first heat carrier, the flue gas after heat exchange enters the waste heat recovery device to generate steam, heat is further recovered, and the flue gas after heat exchange finally enters the flue gas purification device.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. An organic matter preheating and pyrolysis combined treatment system utilizing a double-circulation heat carrier is characterized by comprising a crushing device, a first feeding device, a preheating device, a first heat carrier separation device, a first heat carrier heater, a second feeding device, a pyrolysis device, a dust remover, a second heat carrier heater and an oil-gas separation device;
an organic solid waste outlet of the crushing device is connected with an organic solid waste inlet of the first feeding device, a heat carrier outlet of the first heat carrier heater is connected with a first heat carrier inlet of the first feeding device, a material outlet of the first feeding device is connected with a material inlet of the preheating device, a material outlet of the preheating device is connected with a material inlet of the first heat carrier separating device, a first heat carrier outlet of the first heat carrier separating device is connected with a first heat carrier inlet of the first heat carrier heater, and a first heat carrier outlet of the first heat carrier heater is connected with a first heat carrier inlet of the first feeding device;
an organic solid waste outlet of the first heat carrier separation device is connected with an organic solid waste inlet of the second feeding device, and a second heat carrier inlet of the second feeding device is connected with a second heat carrier outlet of the second heat carrier heater; the material outlet of the second feeding device is connected with the inlet of the pyrolysis device, the second heat carrier and ash residue outlet of the pyrolysis device is connected with the second heat carrier and ash residue inlet of the second heat carrier heater, the pyrolysis oil gas outlet of the pyrolysis device is connected with the pyrolysis oil gas inlet of the dust remover, the second heat carrier outlet of the dust remover is connected with the second heat carrier inlet of the second heat carrier heater, the pyrolysis oil gas outlet of the dust remover is connected with the inlet of the oil-gas separation device, and the pyrolysis gas outlet of the oil-gas separation device is connected with the pyrolysis gas inlet of the second heat carrier heater.
2. The organic matter preheating and pyrolysis combined treatment system using a dual-cycle heat carrier as defined in claim 1, further comprising a water-gas separation device and a wastewater treatment device, wherein a water-gas outlet of the preheating device is connected to an inlet of the water-gas separation device, a wastewater outlet of the water-gas separation device is connected to the wastewater treatment device, and an exhaust gas outlet of the water-gas separation device is connected to a fuel inlet of the second heat carrier heater.
3. The organic matter preheating and pyrolysis combined treatment system using a dual-cycle heat carrier as claimed in claim 1, further comprising a waste heat recovery device and a flue gas purification device, wherein the flue gas outlet of the second heat carrier heater is connected to the flue gas inlet of the first heat carrier heater, the flue gas outlet of the first heat carrier heater is connected to the flue gas inlet of the waste heat recovery device, and the flue gas outlet of the waste heat recovery device is connected to the inlet of the flue gas purification device.
4. The organic matter preheating and pyrolysis combined treatment system using a dual-cycle heat carrier as claimed in claim 1, wherein the first heat carrier is one of steel balls, ceramic balls or silicon carbide balls.
5. The organic matter preheating and pyrolysis combined disposal system using a dual cycle heat carrier as claimed in claim 1, wherein the first feeding device is one or more of a hopper, a screw conveyor, a chute, a lifter or a scraper conveyor which are connected in combination.
6. The organic matter preheating and pyrolysis combined treatment system using a double-circulation heat carrier as claimed in claim 1, wherein the first heat carrier separation device is connected by one or more of a magnetic separation device, a screening device and a gravity separation device.
7. The organic matter preheating and pyrolysis combined treatment system using a dual cycle heat carrier as claimed in claim 1, wherein the second heat carrier is one of fly ash, steel balls, ceramic balls, silicon carbide balls, quartz sand or cement.
8. The organic matter preheating and pyrolysis combined disposal system using a dual cycle heat carrier as claimed in claim 1, wherein the second feeding device is one or more of a hopper, a screw conveyor, a chute, a lifter or a scraper conveyor.
9. The organic matter preheating and pyrolysis combined treatment system using a dual-cycle heat carrier as defined in claim 1, wherein the dust remover is one or more of a cyclone dust remover, a ceramic dust remover and a metal film dust remover, and is connected in a combined manner.
10. The organic matter preheating and pyrolysis combined treatment system using a double-circulation heat carrier as claimed in claim 1, wherein the organic matter preheating and pyrolysis combined treatment system using a double-circulation heat carrier further comprises an external gas device and/or an external oil device, and the external gas device and/or the external oil device is connected with the second heat carrier heater.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121776050.0U CN216106779U (en) | 2021-07-30 | 2021-07-30 | Organic matter preheating and pyrolysis combined treatment system utilizing double-circulation heat carrier |
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| CN202121776050.0U CN216106779U (en) | 2021-07-30 | 2021-07-30 | Organic matter preheating and pyrolysis combined treatment system utilizing double-circulation heat carrier |
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2021
- 2021-07-30 CN CN202121776050.0U patent/CN216106779U/en active Active
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