CN212691791U - Organic solid waste treatment system - Google Patents
Organic solid waste treatment system Download PDFInfo
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- CN212691791U CN212691791U CN202021395382.XU CN202021395382U CN212691791U CN 212691791 U CN212691791 U CN 212691791U CN 202021395382 U CN202021395382 U CN 202021395382U CN 212691791 U CN212691791 U CN 212691791U
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Abstract
The utility model relates to an environmental protection technology field particularly, relates to an organic solid useless processing system. An organic solid waste treatment system comprises a pyrolysis furnace, a circulating fluidized bed incinerator, a gas purification pipeline and a flue gas treatment pipeline. The pyrolysis furnace is used for pyrolyzing conventional organic solid wastes and generating combustible gas and pyrolytic carbon. The inlet end of the gas purification pipeline is communicated with a combustible gas outlet of the pyrolysis furnace, and the gas purification pipeline is used for recovering heat in combustible gas output by the pyrolysis furnace, purifying the combustible gas output by the pyrolysis furnace and storing the purified combustible gas. The feed inlet of the circulating fluidized bed incinerator is communicated with the discharge outlet of the pyrolysis furnace, and the circulating fluidized bed incinerator is used for incinerating organic solid waste with low calorific value and pyrolysis carbon output by the pyrolysis furnace. The organic solid waste treatment system can reduce the consumption of heat and improve the utilization efficiency of the heat.
Description
Technical Field
The utility model relates to an environmental protection technology field particularly, relates to an organic solid useless processing system.
Background
The current organic solid waste heat treatment technology mainly comprises incineration treatment technology and pyrolysis treatment technology, wherein the incineration treatment technology directly incinerates organic solid waste in corresponding equipment, and the organic solid waste is converted into heat, smoke and fly ash, so that the treatment and utilization of the organic solid waste are realized; the pyrolysis treatment technology carries out pyrolysis on the organic solid waste in corresponding equipment, and the organic solid waste is converted into combustible gas and pyrolytic carbon, so that the treatment and utilization of the organic solid waste are realized. However, a large amount of heat is consumed when some low-calorific-value solid wastes are incinerated or pyrolyzed, the heat carried by the low-calorific-value solid wastes cannot meet the requirement of incineration/pyrolysis heat, and the low-calorific-value materials are pyrolyzed or incinerated by means of externally introduced heat. In industrial production, a technology of mixing and matching low-calorific-value solid waste and conventional organic solid waste and then burning the mixed waste in a centralized manner is available, but the problems that the materials are difficult to feed after being matched, the content of burning carbon residue is high and the like generally exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an organic solid processing system useless carries out the coupling with pyrolysis treatment equipment and incineration treatment equipment, and the combustible gas and the dry distillation charcoal of the higher calorific value that make full use of pyrolysis equipment provided for the lower calorific value is useless admittedly and provides the heat source in incineration equipment's burning, realizes the solid useless abundant treatment and the utilization of low calorific value, and system energy utilization efficiency is higher. The embodiment of the utility model is realized like this:
in a first aspect, an embodiment of the utility model provides an organic solid waste treatment system, which comprises a pyrolysis furnace, a circulating fluidized bed incinerator, a gas purification pipeline and a flue gas treatment pipeline;
the pyrolysis furnace is used for pyrolyzing conventional organic solid waste and generating combustible gas and pyrolytic carbon;
the gas inlet end of the gas purification pipeline is communicated with a combustible gas outlet of the pyrolysis furnace, and the gas purification pipeline is used for recovering heat in the combustible gas output by the pyrolysis furnace, purifying the combustible gas output by the pyrolysis furnace and storing the purified combustible gas;
the feed inlet of the circulating fluidized bed incinerator is communicated with the discharge outlet of the pyrolysis furnace, and the circulating fluidized bed incinerator is used for incinerating organic solid waste with low calorific value and pyrolysis carbon output by the pyrolysis furnace;
the gas inlet end of the flue gas treatment pipeline is communicated with the flue gas outlet of the circulating fluidized bed incinerator, and the flue gas treatment pipeline is used for treating and discharging high-temperature flue gas output by the circulating fluidized bed incinerator.
In an optional embodiment, the circulating fluidized bed incinerator comprises a circulating fluidized bed incinerator body, a gas-solid separation device and a material returning device;
the gas inlet of the gas-solid separation device is communicated with the flue gas outlet of the circulating fluidized bed incinerator body, and the gas outlet of the gas-solid separation device is communicated with the gas inlet end of the flue gas treatment pipeline;
the feed inlet of the material returning device is communicated with the discharge outlet of the gas-solid separation device, and the discharge outlet of the material returning device is communicated with the body of the circulating fluidized bed incinerator;
the gas-solid separation device is used for separating high-temperature materials from high-temperature flue gas output by the circulating fluidized bed incinerator, conveying the high-temperature flue gas with the separated high-temperature materials into the flue gas treatment pipeline and conveying the high-temperature materials into the circulating fluidized bed incinerator; the material returning device is used for guiding the high-temperature materials separated by the gas-solid separation device to move into the circulating fluidized bed incinerator.
In an optional embodiment, the organic solid waste treatment system further comprises a material returning fan;
the air outlet of the material returning fan is communicated with the material returning device; the material returning fan is used for guiding the high-temperature materials separated by the gas-solid separation device to move towards the body of the circulating fluidized bed incinerator.
In an optional embodiment, a heat recovery device, a fuel gas purification device and a fuel gas storage device are arranged in the gas purification pipeline;
the heat recovery device is used for recovering heat in the combustible gas, the gas purification device is used for purifying the combustible gas, and the gas storage device is used for storing the purified combustible gas.
In an alternative embodiment, the gas outlet end of the gas purifying pipeline is communicated with the combustible gas inlet of the pyrolysis furnace and the feed inlet of the circulating fluidized bed incinerator, so that part of the combustible gas in the gas storage device is delivered into the pyrolysis furnace and part of the combustible gas is delivered into the circulating fluidized bed incinerator.
In an optional embodiment, the organic solid waste treatment system further comprises a carbon conveying device, wherein a feed inlet of the carbon conveying device is communicated with a discharge outlet of the pyrolysis furnace, and a discharge outlet of the carbon conveying device is communicated with a feed inlet of the circulating fluidized bed incinerator;
the gas outlet end of the gas purification pipeline is communicated with the carbon conveying device;
the carbon conveying device and the combustible gas input to the carbon conveying device by the gas purification pipeline are used for guiding the pyrolytic carbon output by the pyrolytic furnace to move to the circulating fluidized bed incinerator.
In an optional embodiment, a gas supercharging device and a carbon delivery fan are further arranged in the gas purification pipeline;
the gas supercharging device is used for supercharging combustible gas conveyed to the pyrolysis furnace from the gas outlet end of the gas purification pipeline;
the carbon conveying fan is used for pressurizing combustible gas conveyed to the carbon conveying device from the gas outlet end of the gas purification pipeline.
In an optional embodiment, the organic solid waste treatment system further comprises a combustion fan;
the air outlet of the combustion-supporting fan is communicated with the inside of the circulating fluidized bed incinerator, the air chamber of the circulating fluidized bed incinerator and the inside of the pyrolysis furnace so as to convey air into the inside of the circulating fluidized bed incinerator, the air chamber of the circulating fluidized bed incinerator and the inside of the pyrolysis furnace.
In an optional embodiment, the organic solid waste treatment system further comprises a flue gas pipeline, wherein the gas inlet end of the flue gas pipeline is communicated with the flue gas outlet of the pyrolysis furnace, and the gas outlet end of the flue gas pipeline is communicated with the air chamber of the circulating fluidized bed incinerator;
the flue gas pipeline is used for conveying flue gas in the pyrolysis furnace to the air chamber.
In an alternative embodiment, the air delivered to the air chamber by the combustion fan and the flue gas delivered to the air chamber by the flue gas pipeline are mixed by a hood of the circulating fluidized bed incinerator and then delivered into the circulating fluidized bed incinerator.
The utility model discloses beneficial effect includes:
the organic solid waste treatment system comprises a pyrolysis furnace, a circulating fluidized bed incinerator, a gas purification pipeline and a flue gas treatment pipeline.
Wherein, the pyrolysis furnace is used for pyrolyzing conventional organic solid wastes and generating combustible gas and pyrolytic carbon. The inlet end of the gas purification pipeline is communicated with a combustible gas outlet of the pyrolysis furnace, and the gas purification pipeline is used for recovering heat in combustible gas output by the pyrolysis furnace, purifying the combustible gas output by the pyrolysis furnace and storing the purified combustible gas. The feed inlet of the circulating fluidized bed incinerator is communicated with the discharge outlet of the pyrolysis furnace, and the circulating fluidized bed incinerator is used for incinerating organic solid waste with low calorific value and pyrolysis carbon output by the pyrolysis furnace; the gas inlet end of the flue gas treatment pipeline is communicated with the flue gas outlet of the circulating fluidized bed incinerator, and the flue gas treatment pipeline is used for treating and discharging high-temperature flue gas output by the circulating fluidized bed incinerator.
Therefore, the pyrolysis treatment equipment and the incineration treatment equipment are coupled in the pyrolysis mode, combustible gas and dry distillation carbon with higher heat value provided by the pyrolysis equipment are fully utilized, a heat source is provided for incineration of low-heat-value solid waste in the incineration equipment, the low-heat-value solid waste is fully treated and utilized, and the system energy utilization efficiency is higher.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of an organic solid waste treatment system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a gas purification pipeline in an embodiment of the present invention.
The icon is 200-an organic solid waste treatment system; 210-a pyrolysis furnace; 220-circulating fluidized bed incinerator; 230-a gas purge line; 240-flue gas treatment line; 250-gas-solid separation device; 260-a material returning device; 270-a material returning fan; 231-a heat recovery device; 232-gas purification device; 233-gas storage device; 201-a char transport device; 234-a gas pressurization device; 235-a charcoal delivery fan; 202-combustion-supporting fan; 280-flue gas pipeline; 221-blast cap; 222-plenum.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, fig. 1 shows a structure of an organic solid waste treatment system 200 according to an embodiment of the present invention; the embodiment provides an organic solid waste treatment system 200, the organic solid waste treatment system 200 includes a pyrolysis furnace 210, a circulating fluidized bed incinerator 220, a gas purification pipeline 230 and a flue gas treatment pipeline 240;
the pyrolysis furnace 210 is used for pyrolyzing conventional organic solid waste and generating combustible gas and pyrolytic carbon;
the gas inlet end of the gas purification pipeline 230 is communicated with a combustible gas outlet of the pyrolysis furnace 210, and the gas purification pipeline 230 is used for recovering heat in the combustible gas output by the pyrolysis furnace 210, purifying the combustible gas output by the pyrolysis furnace 210 and storing the purified combustible gas;
the feed inlet of the circulating fluidized bed incinerator 220 is communicated with the discharge outlet of the pyrolysis furnace 210, and the circulating fluidized bed incinerator 220 is used for incinerating organic solid waste with low calorific value and pyrolysis carbon output by the pyrolysis furnace 210;
the inlet end of the flue gas treatment pipeline 240 is communicated with the flue gas outlet of the circulating fluidized bed incinerator 220, and the flue gas treatment pipeline 240 is used for treating and discharging high-temperature flue gas output by the circulating fluidized bed incinerator 220.
The working principle of the organic solid waste treatment system 200 is as follows:
the organic solid waste treatment system 200 includes a pyrolysis furnace 210, a circulating fluidized bed incinerator 220, a gas purification pipeline 230, and a flue gas treatment pipeline 240.
The pyrolysis furnace 210 is used for pyrolyzing conventional organic solid waste and generating combustible gas and pyrolytic carbon. The gas inlet end of the gas purification pipeline 230 is communicated with the combustible gas outlet of the pyrolysis furnace 210, and the gas purification pipeline 230 is used for recovering heat in the combustible gas output by the pyrolysis furnace 210, purifying the combustible gas output by the pyrolysis furnace 210 and storing the purified combustible gas. The feed inlet of the circulating fluidized bed incinerator 220 is communicated with the discharge outlet of the pyrolysis furnace 210, and the circulating fluidized bed incinerator 220 is used for incinerating organic solid waste with low calorific value and pyrolysis carbon output by the pyrolysis furnace 210; the inlet end of the flue gas treatment pipeline 240 is communicated with the flue gas outlet of the circulating fluidized bed incinerator 220, and the flue gas treatment pipeline 240 is used for treating and discharging high-temperature flue gas output by the circulating fluidized bed incinerator 220. Therefore, the pyrolysis treatment equipment and the incineration treatment equipment are coupled in the pyrolysis mode, combustible gas and dry distillation carbon with higher heat value provided by the pyrolysis equipment are fully utilized, a heat source is provided for incineration of low-heat-value solid waste in the incineration equipment, the low-heat-value solid waste is fully treated and utilized, and the system energy utilization efficiency is higher.
Further, referring to fig. 1, in the present embodiment, the circulating fluidized bed incinerator 220 includes a circulating fluidized bed incinerator body, a gas-solid separation device 250, and a material returning device 260. Wherein, the gas inlet of the gas-solid separation device 250 is communicated with the flue gas outlet of the circulating fluidized bed incinerator 220 body, and the gas outlet of the gas-solid separation device 250 is communicated with the gas inlet end of the flue gas treatment pipeline 240; the feed inlet of the material returning device 260 is communicated with the discharge outlet of the gas-solid separation device 250, and the discharge outlet of the material returning device 260 is communicated with the body of the circulating fluidized bed incinerator 220.
The gas-solid separation device 250 is used for separating high-temperature materials from the high-temperature flue gas output by the circulating fluidized bed incinerator 220, conveying the high-temperature flue gas from which the high-temperature materials are separated into the flue gas treatment pipeline 240 and conveying the high-temperature materials into the circulating fluidized bed incinerator 220; the material returning device 260 is used for guiding the high-temperature material separated by the gas-solid separation device 250 to move into the circulating fluidized bed incinerator 220. Thus, in the circulating fluidized bed incinerator 220, the materials in the incinerator include organic solid wastes with low calorific values, pyrolysis char output from the pyrolysis furnace 210, and high-temperature materials separated by the gas-solid separation device 250.
The organic solid waste treatment system 200 further comprises a material returning fan 270; an air outlet of the material returning fan 270 is communicated with the material returning device 260; the material returning fan 270 is used for guiding the high-temperature material separated by the gas-solid separation device 250 to move towards the body of the circulating fluidized bed incinerator 220.
It should be noted that, with the above structure, the organic solid waste treatment system 200 provides a heat source for the incineration of low-calorific-value solid waste in the incineration equipment by collecting combustible gas and dry distillation char with higher calorific value in the pyrolysis furnace 210, so as to realize the sufficient treatment and utilization of the low-calorific-value solid waste, and the system energy utilization efficiency is higher. When the collected heat and combustible gas are utilized, the collected heat and combustible gas can be returned to the organic solid waste treatment system 200 according to the use requirement, so as to further improve the utilization rate of energy; the collected heat and combustible gas can also be applied to structures outside the system according to the use requirements, and in such a way, the utilization rate of energy can also be improved.
Further, referring to fig. 2, fig. 1 shows a structure of a gas purification pipeline 230 in an embodiment of the present invention; in the present embodiment, in order to collect heat and combustible gas in the pyrolysis furnace 210, a heat recovery device 231, a gas purification device 232, and a gas storage device 233 are disposed in the gas purification pipeline 230.
Wherein, the heat recovery device 231 is used for recovering the heat in the combustible gas, the gas purification device 232 is used for purifying the combustible gas, and the gas storage device 233 is used for storing the purified combustible gas.
When the heat recovery device 231, the gas purification device 232, and the gas storage device 233 are provided, the heat recovery device 231, the gas purification device 232, and the gas storage device 233 may be sequentially provided so that the combustible gas output from the pyrolysis furnace 210 sequentially passes through the heat recovery device 231, the gas purification device 232, and the gas storage device 233 to sequentially complete the steps of heat recovery, purification of the combustible gas, and storage of the combustible gas.
In this embodiment, referring to fig. 1 and 2, firstly, in order to increase the energy utilization rate, a manner of returning part of the combustible gas to the pyrolysis furnace 210 and synchronously moving part of the combustible gas to the circulating fluidized bed incinerator 220 along with the pyrolysis char is adopted. The gas flowing into the pyrolysis furnace 210 and the circulating fluidized bed incinerator 220 can be used as a heat source for the pyrolysis furnace 210 and the circulating fluidized bed incinerator 220 to burn, so that the pyrolysis efficiency of the organic solid waste in the pyrolysis furnace 210 and the circulating fluidized bed incinerator 220 can be further improved, and in addition, the arrangement mode can realize a circulating function, namely, the combustible gas generated in the pyrolysis furnace 210 can be effectively utilized.
Next, in order to enable the combustible gas in the gas storage device 233 to flow into the pyrolysis furnace 210 and the circulating fluidized bed incinerator 220, the gas outlet end of the gas purification pipeline 230 is communicated with the combustible gas inlet of the pyrolysis furnace 210 and the feed inlet of the circulating fluidized bed incinerator 220, so that part of the combustible gas in the gas storage device 233 is delivered into the pyrolysis furnace 210, and the rest of the combustible gas is delivered into the circulating fluidized bed incinerator 220.
In addition, referring to fig. 1 and fig. 2, in the embodiment, in order to convey the pyrolytic carbon produced in the pyrolysis furnace 210 to the circulating fluidized bed incinerator 220, the organic solid waste treatment system 200 further includes a carbon conveying device 201, a feed port of the carbon conveying device 201 is communicated with a discharge port of the pyrolysis furnace 210, and a discharge port of the carbon conveying device 201 is communicated with a feed port of the circulating fluidized bed incinerator 220. The gas outlet end of the gas purification pipeline 230 is communicated with the carbon conveying device 201; the char conveyor 201 and the combustible gas input to the char conveyor 201 by the gas purification pipeline 230 are used to guide the pyrolysis char output from the pyrolysis furnace 210 to move towards the circulating fluidized bed incinerator 220.
Since the pyrolytic carbon coming out of the pyrolysis furnace 210 is in a high-temperature state and is mixed with combustible gas, the air-assisted carbon delivery is easy to cause uncontrollable combustion or explosion, and other media (inert gas or steam) are used to cause introduction of impurity gas and reduction of the quality of the fuel gas, so that the fuel gas is selected.
It should be noted that, in this embodiment, in order to make the charcoal conveying device 201, the charcoal conveying device 201 may be configured to be a U-shaped structure, so as to improve the stability of the charcoal conveying process and minimize the return of the combustible gas to the pyrolysis furnace 210.
Further, referring to fig. 1 and fig. 2, a gas pressurization device 234 and a charcoal delivery fan 235 are further disposed in the gas purification pipeline 230; the gas pressurization device 234 is used for pressurizing the combustible gas delivered to the pyrolysis furnace 210 from the gas outlet end of the gas purification pipeline 230; the carbon delivery fan 235 is used for pressurizing the combustible gas of the carbon delivery device 201 at the gas outlet end of the gas purification pipeline 230. It should be noted that, because the circulating fluidized bed incinerator 220 needs to be fluidized and returned during operation, and both need a certain pressure, the gas pressurization device 234 and the char delivery fan 235 are provided, so as to meet the pressure requirement during operation of the circulating fluidized bed incinerator 220.
Further, referring to fig. 1 and fig. 2, in the present embodiment, the organic solid waste treatment system 200 further includes a combustion fan 202 and a flue gas pipeline 280.
First, the air outlet of the combustion fan 202 communicates with the inside of the circulating fluidized bed incinerator 220, the air chamber 222 of the circulating fluidized bed incinerator 220, and the inside of the pyrolysis furnace 210 to supply air into the inside of the circulating fluidized bed incinerator 220, the air chamber 222 of the circulating fluidized bed incinerator 220, and the inside of the pyrolysis furnace 210.
Secondly, the organic solid waste treatment system 200 further comprises a flue gas pipeline 280, wherein the gas inlet end of the flue gas pipeline 280 is communicated with the flue gas outlet of the pyrolysis furnace 210, and the gas outlet end of the flue gas pipeline 280 is communicated with the air chamber 222 of the circulating fluidized bed incinerator 220; a flue gas line 280 is used to convey flue gases from the pyrolysis furnace 210 into the plenum 222.
In addition, the air delivered to the air chamber 222 by the combustion fan 202 and the flue gas delivered to the air chamber 222 by the flue gas pipeline 280 are mixed by the hood 221 of the circulating fluidized bed incinerator 220 and then delivered into the circulating fluidized bed incinerator 220. Because the flue gas from the pyrolysis furnace 210 still has a high temperature, the arrangement mode can make full use of the heat of the flue gas from the pyrolysis furnace 210 by returning the flue gas from the pyrolysis furnace 210 to the incinerator.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An organic solid waste treatment system is characterized in that:
the organic solid waste treatment system comprises a pyrolysis furnace, a circulating fluidized bed incinerator, a gas purification pipeline and a flue gas treatment pipeline;
the pyrolysis furnace is used for pyrolyzing conventional organic solid waste and generating combustible gas and pyrolytic carbon;
the gas inlet end of the gas purification pipeline is communicated with a combustible gas outlet of the pyrolysis furnace, and the gas purification pipeline is used for recovering heat in the combustible gas output by the pyrolysis furnace, purifying the combustible gas output by the pyrolysis furnace and storing the purified combustible gas;
the feed inlet of the circulating fluidized bed incinerator is communicated with the discharge outlet of the pyrolysis furnace, and the circulating fluidized bed incinerator is used for incinerating organic solid waste with low calorific value and pyrolysis carbon output by the pyrolysis furnace;
the gas inlet end of the flue gas treatment pipeline is communicated with the flue gas outlet of the circulating fluidized bed incinerator, and the flue gas treatment pipeline is used for treating and discharging high-temperature flue gas output by the circulating fluidized bed incinerator.
2. The organic solid waste treatment system of claim 1, wherein:
the circulating fluidized bed incinerator comprises a circulating fluidized bed incinerator body, a gas-solid separation device and a material returning device;
the gas inlet of the gas-solid separation device is communicated with the flue gas outlet of the circulating fluidized bed incinerator body, and the gas outlet of the gas-solid separation device is communicated with the gas inlet end of the flue gas treatment pipeline;
the feed inlet of the material returning device is communicated with the discharge outlet of the gas-solid separation device, and the discharge outlet of the material returning device is communicated with the body of the circulating fluidized bed incinerator;
the gas-solid separation device is used for separating high-temperature materials from high-temperature flue gas output by the circulating fluidized bed incinerator, conveying the high-temperature flue gas with the separated high-temperature materials into the flue gas treatment pipeline and conveying the high-temperature materials into the circulating fluidized bed incinerator; the material returning device is used for guiding the high-temperature materials separated by the gas-solid separation device to move into the circulating fluidized bed incinerator.
3. The organic solid waste treatment system of claim 2, wherein:
the organic solid waste treatment system also comprises a material returning fan;
the air outlet of the material returning fan is communicated with the material returning device; the material returning fan is used for guiding the high-temperature materials separated by the gas-solid separation device to move towards the circulating fluidized bed incinerator body.
4. The organic solid waste treatment system of claim 1, wherein:
the gas purification pipeline is internally provided with a heat recovery device, a gas purification device and a gas storage device;
the heat recovery device is used for recovering heat in the combustible gas, the gas purification device is used for purifying the combustible gas, and the gas storage device is used for storing the purified combustible gas.
5. The organic solid waste treatment system of claim 4, wherein:
and the gas outlet end of the gas purification pipeline is communicated with a combustible gas inlet of the pyrolysis furnace and a feed inlet of the circulating fluidized bed incinerator, so that part of combustible gas in the gas storage device is conveyed into the pyrolysis furnace, and part of combustible gas is conveyed into the circulating fluidized bed incinerator.
6. The organic solid waste treatment system of claim 5, wherein:
the organic solid waste treatment system also comprises a carbon conveying device, wherein a feed inlet of the carbon conveying device is communicated with a discharge outlet of the pyrolysis furnace, and a discharge outlet of the carbon conveying device is communicated with a feed inlet of the circulating fluidized bed incinerator;
the gas outlet end of the gas purification pipeline is communicated with the carbon conveying device;
the carbon conveying device and the combustible gas input to the carbon conveying device through the gas purification pipeline are used for guiding the pyrolytic carbon output by the pyrolytic furnace to move to the circulating fluidized bed incinerator.
7. The organic solid waste treatment system of claim 6, wherein:
the gas purification pipeline is also internally provided with a gas supercharging device and a carbon delivery fan;
the gas supercharging device is used for supercharging the combustible gas conveyed to the pyrolysis furnace from the gas outlet end of the gas purification pipeline;
the carbon conveying fan is used for pressurizing combustible gas conveyed to the carbon conveying device from the gas outlet end of the gas purification pipeline.
8. The organic solid waste treatment system of claim 1, wherein:
the organic solid waste treatment system also comprises a combustion-supporting fan;
and the air outlet of the combustion-supporting fan is communicated with the inside of the circulating fluidized bed incinerator, the air chamber of the circulating fluidized bed incinerator and the inside of the pyrolysis furnace so as to convey air into the inside of the circulating fluidized bed incinerator, the air chamber of the circulating fluidized bed incinerator and the inside of the pyrolysis furnace.
9. The organic solid waste treatment system of claim 8, wherein:
the organic solid waste treatment system also comprises a flue gas pipeline, wherein the gas inlet end of the flue gas pipeline is communicated with the flue gas outlet of the pyrolysis furnace, and the gas outlet end of the flue gas pipeline is communicated with the air chamber of the circulating fluidized bed incinerator;
the flue gas pipeline is used for conveying the flue gas generated by the pyrolysis furnace to the air chamber.
10. The organic solid waste treatment system of claim 9, wherein:
and the air conveyed to the air chamber by the combustion fan and the flue gas conveyed to the air chamber by the flue gas pipeline are mixed by a hood of the circulating fluidized bed incinerator and then conveyed into the circulating fluidized bed incinerator.
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| CN202021395382.XU CN212691791U (en) | 2020-07-15 | 2020-07-15 | Organic solid waste treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114031254A (en) * | 2021-10-13 | 2022-02-11 | 南方环境有限公司 | Pyrolysis waste material processing preliminary treatment discharging system |
| CN114165789A (en) * | 2021-11-24 | 2022-03-11 | 中国环境科学研究院 | Solar cell panel pyrolysis and waste gas treatment and resource utilization method thereof |
-
2020
- 2020-07-15 CN CN202021395382.XU patent/CN212691791U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114031254A (en) * | 2021-10-13 | 2022-02-11 | 南方环境有限公司 | Pyrolysis waste material processing preliminary treatment discharging system |
| CN114165789A (en) * | 2021-11-24 | 2022-03-11 | 中国环境科学研究院 | Solar cell panel pyrolysis and waste gas treatment and resource utilization method thereof |
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