CN216458899U - Novel regeneration of abandonment active carbon device - Google Patents
Novel regeneration of abandonment active carbon device Download PDFInfo
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- CN216458899U CN216458899U CN202122659978.7U CN202122659978U CN216458899U CN 216458899 U CN216458899 U CN 216458899U CN 202122659978 U CN202122659978 U CN 202122659978U CN 216458899 U CN216458899 U CN 216458899U
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Abstract
The utility model provides a novel waste activated carbon regeneration device, wherein the flue gas inlet end of each group of honeycomb ceramic heat accumulator devices is connected with a flue gas inlet through a switch valve; the flue gas outlet end of each group of honeycomb ceramic heat accumulator devices is connected with the inlet end of the desulfurizing tower through a gas pipeline, and a switch valve is arranged on the gas pipeline; the activated carbon regeneration gas inlet is connected with the flue gas outlet end of each group of honeycomb ceramic heat accumulator devices through a pipeline, and the inlet of the pipeline is provided with a flow regulating valve; the inlet end of the activated carbon regeneration reactor is connected with the flue gas inlet end of each group of honeycomb ceramic heat accumulator devices through a gas pipeline, and a switch valve is arranged on the gas pipeline; the heat accumulating type catalytic combustion device is connected with the outlet end of the activated carbon regeneration reactor. The utility model has simple structure and reasonable layout, can reduce the energy consumption and the quality loss of the heat regeneration of the activated carbon and improve the utilization of the waste heat of the flue gas.
Description
Technical Field
The utility model relates to a waste activated carbon regeneration and waste heat recycling technology in the field of environmental protection, in particular to a novel waste activated carbon regeneration device.
Background
The activated carbon has a large amount of pore structures and a large specific surface area, and the surface of the activated carbon has a large amount of chemical groups, so that the activated carbon has the characteristics of both physical adsorption and chemical adsorption. The activated carbon has good adsorption effect and relatively low treatment cost, and is widely applied to the treatment of environmental pollution such as waste gas, sewage and the like. Moreover, the activated carbon is particularly suitable for waste gas with small gas quantity, such as VOCs generated by spray painting in industries of small furniture, automobiles and the like. However, the waste activated carbon saturated with pollutants such as VOCs is highly enriched in pollutants, and is defined as hazardous solid waste according to relevant regulations, so that secondary pollution is easily caused, and meanwhile, transportation is difficult and treatment cost is high. Therefore, the regeneration and recycling of the activated carbon have important environmental and economic benefits.
The methods for regenerating activated carbon are many, including thermal regeneration, biological regeneration, wet oxidation regeneration, and chemical agent regeneration, among which the thermal regeneration method is the most widely used method for regenerating activated carbon with the longest development history. However, the temperature required by thermal regeneration is high, energy consumption is very serious in the operation process, waste gas is generated, and secondary pollution is easily caused. Meanwhile, certain mass loss exists in the thermal regeneration process of the activated carbon, and the serious mass loss can reach 15%. Therefore, aiming at the problems of large mass loss, high energy consumption and the like in the thermal regeneration process of the activated carbon, the utility model discloses a new technology is very necessary for reducing the energy consumption and the mass loss in the thermal regeneration process of the activated carbon so as to improve the environmental and economic benefits.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a novel waste activated carbon regeneration device.
According to an aspect of the present invention, there is provided a novel spent activated carbon regeneration apparatus, including: one or more groups of honeycomb ceramic heat accumulator devices, activated carbon regeneration reactors, heat accumulating type catalytic combustion devices and desulfurizing towers;
wherein:
the flue gas inlet end of each group of the honeycomb ceramic heat accumulator devices is connected with a flue gas inlet through a first group of switch valves;
the flue gas outlet end of each group of honeycomb ceramic heat accumulator devices is connected with the inlet end of the desulfurizing tower through a gas pipeline, and a second group of switch valves are installed on the gas pipeline;
the activated carbon regeneration gas inlet is connected with the flue gas outlet end of each group of honeycomb ceramic heat accumulator device through a pipeline, and the inlet of the pipeline is provided with a flow regulating valve;
the inlet end of the activated carbon regeneration reactor is connected with the flue gas inlet end of each group of honeycomb ceramic heat accumulator device through a gas pipeline, and a third group of switch valves are installed on the gas pipeline;
the heat accumulating type catalytic combustion device is connected with the outlet end of the activated carbon regeneration reactor.
Preferably, each group of the plurality of groups of the honeycomb ceramic heat accumulator devices at least comprises two honeycomb ceramic heat accumulators.
Preferably, the exterior of each of the honeycomb ceramic heat accumulators is coated with a heat insulating layer.
Preferably, the activated carbon regeneration reactor is provided with an electric heating structure and a vacuum pump.
Preferably, the regenerative catalytic combustion device is provided with an electric tracing system.
Preferably, the inlet end of the desulfurizing tower is provided with a temperature sensor.
Preferably, the activated carbon regeneration gas and the flue gas respectively flow in the plurality of honeycomb ceramic heat accumulators alternately, and the gas flow direction of the activated carbon regeneration gas is opposite to the gas flow direction of the flue gas.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
according to the novel waste activated carbon regeneration device provided by the utility model, the activated carbon regeneration gas is heated by the honeycomb ceramic heat accumulator and has a certain temperature before entering the activated carbon regeneration reactor, so that the energy used for activated carbon regeneration can be saved.
According to the novel waste activated carbon regeneration device provided by the utility model, the temperature of high-temperature flue gas before entering the desulfurizing tower can be controlled through the honeycomb ceramic heat accumulator.
According to the novel waste activated carbon regeneration device provided by the utility model, the activated carbon regeneration reactor contains the vacuum pump, and special atmosphere can be kept in the reactor by matching with gas purging, so that the quality loss of activated carbon is reduced, or the activated carbon is modified, and the adsorption efficiency after regeneration is improved.
The novel waste activated carbon regeneration device provided by the utility model is used for selectively utilizing the waste heat of the high-temperature flue gas containing nitrogen and sulfur aiming at the problems of high cost and high energy consumption in the thermal regeneration process of the waste activated carbon adsorbing VOCs at present, and the energy consumed in the regeneration process of the activated carbon is reduced while the waste activated carbon is regenerated.
The novel waste activated carbon regeneration device provided by the utility model reduces energy consumption and quality loss in the activated carbon thermal regeneration process, improves the utilization of flue gas waste heat, does not influence the original flue gas treatment process and effect in the implementation process, and even can further improve the desulfurization efficiency of flue gas.
The novel waste activated carbon regeneration device provided by the utility model is reasonable in layout, simple in structure, high in application value and suitable for popularization.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a novel waste activated carbon regeneration device according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a novel waste activated carbon regeneration device in a preferred embodiment of the present invention.
In the figure: 1 to 6 are respectively a first to a sixth switch valve; 7 to 8 are respectively a first flow regulating valve and a second flow regulating valve; 9 is a temperature sensor; 10 is a first honeycomb ceramic heat accumulator; 11 is a second honeycomb ceramic heat accumulator; 12 is an active carbon regeneration reactor; 13 is a heat accumulating type catalytic combustion device; and 14, a desulfurizing tower.
Detailed Description
The following examples illustrate the utility model in detail: the embodiment is implemented on the premise of the technical scheme of the utility model, and a detailed implementation mode and a specific operation process are given. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Fig. 1 is a schematic structural diagram of a novel waste activated carbon regeneration device according to an embodiment of the present invention.
As shown in fig. 1, the novel waste activated carbon regeneration device provided by this embodiment may include: one or more groups of honeycomb ceramic heat accumulator devices, activated carbon regeneration reactors, heat accumulating type catalytic combustion devices and desulfurizing towers;
wherein:
the flue gas inlet end of each group of honeycomb ceramic heat accumulator devices is connected with a flue gas inlet through a first group of switch valves;
the flue gas outlet end of each group of honeycomb ceramic heat accumulator devices is connected with the inlet end of the desulfurizing tower through a gas pipeline, and a second group of switch valves are arranged on the gas pipeline;
the activated carbon regeneration gas inlet is connected with the flue gas outlet end of each group of honeycomb ceramic heat accumulator devices through a pipeline, and the inlet of the pipeline is provided with a flow regulating valve;
the inlet end of the activated carbon regeneration reactor is connected with the flue gas inlet end of each group of honeycomb ceramic heat accumulator devices through a gas pipeline, and a third group of switch valves are installed on the gas pipeline;
the heat accumulating type catalytic combustion device is connected with the outlet end of the activated carbon regeneration reactor.
In this embodiment, as a preferred embodiment, each group of the plurality of groups of the ceramic honeycomb heat accumulator devices may include at least two ceramic honeycomb heat accumulators.
In this embodiment, as a preferred embodiment, the exterior of each honeycomb ceramic heat accumulator is coated with a heat insulating layer.
In this embodiment, as a preferred embodiment, the activated carbon regeneration reactor is provided with an electric heating structure and a vacuum pump.
In this embodiment, as a preferred embodiment, the regenerative catalytic combustion apparatus is provided with an electric tracing system.
In this embodiment, as a preferred embodiment, the inlet end of the desulfurization tower is provided with a temperature sensor.
In this embodiment, as a preferred embodiment, the activated carbon regeneration gas and the flue gas alternately flow in the plurality of honeycomb ceramic heat accumulators, respectively, and the gas flow direction of the activated carbon regeneration gas is opposite to the gas flow direction of the flue gas.
Fig. 2 is a schematic structural diagram of a novel waste activated carbon regeneration device according to a preferred embodiment of the present invention.
As shown in fig. 2, the novel waste activated carbon regeneration device provided by the preferred embodiment may include: one or more groups of honeycomb ceramic heat accumulator devices, an activated carbon regeneration reactor 12, a heat accumulating type catalytic combustion (RCO) device 13 and a desulfurizing tower 14;
wherein:
each group of the plurality of sets of the honeycomb ceramic regenerator devices may include a first honeycomb ceramic regenerator 10 and a second honeycomb ceramic regenerator 11;
the flue gas inlet end of each group of honeycomb ceramic heat accumulator devices is connected with a flue gas inlet through a third switch valve 3 and a fourth switch valve 4;
the flue gas outlet end of each group of honeycomb ceramic heat accumulator devices is connected with the inlet end of a desulfurizing tower 14 through a gas pipeline, and a fifth switch valve 5 and a sixth switch valve 6 are installed on the gas pipeline;
an activated carbon regeneration gas inlet is connected with the flue gas outlet end of each group of honeycomb ceramic heat accumulator devices through a pipeline, and a first flow regulating valve 7 and a second flow regulating valve 8 are installed at the inlet of the pipeline;
the inlet end of the activated carbon regeneration reactor 12 is connected with the flue gas inlet end of each group of honeycomb ceramic heat accumulator devices through a gas pipeline, and a first switch valve 1 and a second switch valve 2 are installed on the gas pipeline;
the regenerative catalytic combustion device 13 is connected to the outlet end of the activated carbon regeneration reactor 12.
In the preferred embodiment:
the first honeycomb ceramic heat accumulator 10 and the second honeycomb ceramic heat accumulator 11 are respectively connected with a flue gas inlet through a third switch valve 3 and a fourth switch valve 4, the desulfurizing tower 14 is connected behind the first honeycomb ceramic heat accumulator 10 and the second honeycomb ceramic heat accumulator 11, a fifth switch valve 5 and a sixth switch valve 6 are respectively arranged on pipelines connected with the two honeycomb ceramic heat accumulators, and a temperature sensor 9 is arranged at an inlet of the desulfurizing tower 14; the gas source used for the regeneration of the activated carbon can respectively enter the two honeycomb ceramic heat accumulators through the pipeline and the first flow regulating valve 7 and the second flow regulating valve 8 which are arranged on the pipeline, and the flow direction of the regeneration gas is opposite to the flow direction of the flue gas.
The first flow regulating valve 7 and the second flow regulating valve 8 can regulate the flow of the purge gas in the activated carbon regeneration process, and the type and the flow of the gas in the activated carbon regeneration process are also one of the influencing factors.
The activated carbon regeneration reactor 12 is connected with the flue gas inlet ends of the two honeycomb ceramic heat accumulators through a gas pipeline and is respectively controlled by the first switch valve 1 and the second switch valve 2. The heat accumulating type catalytic combustion device 13 is directly connected with the outlet end of the activated carbon regeneration reactor 12.
According to the novel waste activated carbon regeneration device provided by the embodiment of the utility model, the regenerated activated carbon is waste honeycomb activated carbon after absorbing saturated VOCs, and the utilized high-temperature flue gas can be high-temperature flue gas such as waste gas of a coal-fired power plant and the like needing desulfurization and denitrification. Generally, 50-60 ℃ is a suitable temperature for flue gas desulfurization, and is preferably 55 ℃. Therefore, the honeycomb ceramic heat accumulator can be added after the flue gas denitration process and before the desulfurization process, and the flue gas desulfurization efficiency is improved while the waste activated carbon is regenerated by using the flue gas waste heat.
The novel waste activated carbon regeneration device provided by the embodiment of the utility model mainly comprises a honeycomb ceramic heat accumulator, an activated carbon regeneration reactor, a heat accumulation type catalytic combustion device, a desulfurizing tower, a temperature sensor, a plurality of switch valves and regulating valves; the honeycomb ceramic heat accumulator is connected with the flue gas inlet; the desulfurizing tower is arranged behind the honeycomb ceramic heat accumulator and connected with the honeycomb ceramic heat accumulator through a gas pipeline, and a temperature sensor is arranged at an inlet; the gas used for regenerating the activated carbon enters from the flue gas outlet end of the honeycomb ceramic heat accumulator, and the gas flow can be controlled through the gas flow regulating valve; the connection end of the activated carbon regeneration reactor and the honeycomb ceramic heat accumulator is a flue gas inlet end; the heat accumulating type catalytic combustion device is directly connected behind the activated carbon regeneration reactor.
In some embodiments of the utility model:
two or more honeycomb ceramic heat exchangers can be arranged, and the cooling of flue gas and the heating of regeneration gas can be synchronously realized through the switching of the valves, and the switching can be carried out at any time.
The honeycomb ceramic heat accumulator is coated with a heat insulating layer, the thickness of the heat insulating layer is calculated through the specific flue gas temperature of the project and the set temperature at the periphery of the heat insulating layer, and heat loss is reduced.
The honeycomb ceramic heat exchanger is divided into a high-temperature area and a low-temperature area, the flow direction of the activated carbon regeneration gas is opposite to the flow direction of the flue gas, and the heat exchange efficiency can be better improved.
The activated carbon regeneration reactor can be electrically heated and is provided with a vacuum pump, so that the reactor can keep a certain vacuum, and the activated carbon regeneration reactor can keep a specific gas atmosphere in the activated carbon vacuum regeneration reactor by matching with the purging of gas, so that the quality loss in the activated carbon regeneration process is reduced, and even the activated carbon regeneration reactor is modified.
The heat accumulating type catalytic combustion device can adopt a small RCO device and is provided with an electric heat tracing system, gas can be preheated before entering the heat accumulating type catalytic combustion device, the treatment efficiency of the heat accumulating type catalytic combustion device is ensured, and meanwhile, the heat tracing can be automatically started when the temperature of regenerated waste gas is insufficient.
Be equipped with temperature sensor before the desulfurizing tower, can control the flue gas temperature before the desulfurization.
The flow regulating valve can control the size of the airflow entering the activated carbon regeneration reactor.
The working process of the novel waste activated carbon regeneration device provided by the embodiment of the utility model can comprise the following steps:
s100, inputting high-temperature flue gas into a first honeycomb ceramic heat accumulator, and enabling the first honeycomb ceramic heat accumulator to form a high-temperature area and a low-temperature area through the cooling effect of the first honeycomb ceramic heat accumulator; when the temperature of the flue gas entering the desulfurizing tower is higher than a set threshold value, preventing the high-temperature flue gas from continuously entering the first honeycomb ceramic heat accumulator;
s200, inputting activated carbon regeneration gas into a first honeycomb ceramic heat accumulator, and entering an activated carbon regeneration reactor after the activated carbon regeneration gas passes through the heating action of a low-temperature region and a high-temperature region inside the honeycomb ceramic heat accumulator; meanwhile, high-temperature flue gas is input into a second honeycomb ceramic heat accumulator, and a high-temperature area and a low-temperature area are formed inside the second honeycomb ceramic heat accumulator through the cooling effect of the second honeycomb ceramic heat accumulator; when the temperature of the flue gas entering the desulfurizing tower is higher than a set threshold value, the high-temperature flue gas is prevented from continuously entering a second honeycomb ceramic heat accumulator;
and S300, inputting the activated carbon regeneration gas into a second honeycomb ceramic heat accumulator, and repeating the process to enable the high-temperature flue gas and the activated carbon regeneration gas to alternately flow in the plurality of honeycomb ceramic heat accumulators until the activated carbon regeneration work at the stage is finished.
In this embodiment, as a preferred embodiment, before the activated carbon regeneration operation is started, the following steps may be further included:
vacuumizing the activated carbon regeneration reactor;
and purging the activated carbon regeneration reactor by using high-flow gas.
In this embodiment, as a preferred embodiment, the high-temperature flue gas to be subjected to desulfurization and denitrification is input to the honeycomb ceramic heat accumulator after the flue gas denitrification process and before the desulfurization process.
The operation of the novel waste activated carbon regeneration device is further described below by taking an example that each group of honeycomb ceramic heat accumulator devices comprises two honeycomb ceramic heat accumulators.
The working process of the novel waste activated carbon regeneration device comprises the following steps:
s1, inputting the high-temperature flue gas into the first honeycomb ceramic heat accumulator, and enabling the first honeycomb ceramic heat accumulator to form a high-temperature area and a low-temperature area through the cooling effect of the first honeycomb ceramic heat accumulator; when the temperature of the flue gas entering the desulfurizing tower is higher than a set threshold value, preventing the high-temperature flue gas from continuously entering the first honeycomb ceramic heat accumulator;
s2, inputting activated carbon regeneration gas into the first honeycomb ceramic heat accumulator, and entering the activated carbon regeneration reactor after the activated carbon regeneration gas passes through the heating action of a low-temperature region and a high-temperature region inside the honeycomb ceramic heat accumulator; meanwhile, high-temperature flue gas is input into a second honeycomb ceramic heat accumulator, and a high-temperature area and a low-temperature area are formed inside the second honeycomb ceramic heat accumulator through the cooling effect of the second honeycomb ceramic heat accumulator; when the temperature of the flue gas entering the desulfurizing tower is higher than a set threshold value, the high-temperature flue gas is prevented from continuously entering a second honeycomb ceramic heat accumulator;
s3, inputting activated carbon regeneration gas into a second honeycomb ceramic heat accumulator, and simultaneously inputting high-temperature flue gas into a first honeycomb ceramic heat accumulator; and repeating the process to enable the high-temperature flue gas and the activated carbon regeneration gas to alternately flow in the first honeycomb ceramic heat accumulator and the second honeycomb ceramic heat accumulator until the activated carbon regeneration work at the stage is finished.
In the working process of the utility model, the two honeycomb ceramic heat accumulators exchange heat synchronously. And opening the third switch valve 3 and the fifth switch valve 5, enabling the high-temperature flue gas subjected to denitration treatment to enter the first honeycomb ceramic heat accumulator 10 through a flue gas inlet, enabling the high-temperature flue gas to pass through the first honeycomb ceramic heat accumulator 10, and gradually forming a high-temperature area and a low-temperature area by the first honeycomb ceramic heat accumulator 10 due to gradual reduction of the gas temperature.
When the high-temperature flue gas passes through the honeycomb ceramic heat accumulator 10, the gas used for activated carbon regeneration enters the second honeycomb ceramic heat accumulator 11 through the second regulating valve 8, passes through the low-temperature region and the high-temperature region of the second honeycomb ceramic heat accumulator 11 for heating, and then enters the activated carbon regeneration reactor 12. The high-temperature area and the low-temperature area of the second honeycomb ceramic heat accumulator 11 can improve the heating effect.
The temperature sensor 9 is a switching index of the two honeycomb ceramic heat accumulators. Along with the temperature rise of the honeycomb ceramics in the heat accumulator, the heat exchange efficiency is reduced, the temperature of the flue gas in front of the desulfurizing tower is increased, and the desulfurizing effect is gradually reduced. Before the desulfurization effect is reduced to a target value, namely the temperature sensor 9 reaches a set temperature, the second flow regulating valve 8 and the second switch valve 2 are closed in sequence, the fourth switch valve 4 and the sixth switch valve 6 are opened, the third switch valve 3 and the fifth switch valve 5 are closed, finally the first switch valve 1 and the first flow regulating valve 7 are opened, at the moment, the flue gas exchanges heat through the second honeycomb ceramic heat accumulator 11, and the activated carbon regeneration gas is heated through the first honeycomb ceramic heat accumulator 10.
The activated carbon regeneration reactor 12 is of an electric heating structure and is provided with a vacuum pump, the vacuum pump is opened to extract vacuum before the activated carbon regeneration starts, then the first switch valve 1 and the first flow regulating valve 7 are opened, the regeneration reactor is purged by using large-flow gas, and the activated carbon vacuum regeneration reactor can be kept in a certain special atmosphere by matching the evacuation and purging operations.
The novel waste activated carbon regeneration device provided by the embodiment of the utility model comprises one or more groups of honeycomb ceramic heat accumulator devices, wherein the honeycomb ceramic heat accumulator devices are connected with a flue gas inlet, the desulfurization tower is arranged behind the flue gas outlet end of the honeycomb ceramic heat accumulator, the activated carbon regeneration gas is connected with the flue gas outlet end of the honeycomb ceramic heat accumulator device through a pipeline and a flow regulating valve, the activated carbon regeneration reactor is provided with a vacuum pump and is connected with the flue gas inlet end of the honeycomb ceramic heat accumulator device, and the heat accumulation type catalytic combustion device is provided with an electric heat tracing system and is directly connected with the outlet end of the activated carbon regeneration reactor. High-temperature flue gas enters from a group of honeycomb ceramic heat exchangers, and is desulfurized after being cooled; meanwhile, after the waste activated carbon is placed, vacuum is extracted, the waste activated carbon is filled and swept by regeneration gas, the regeneration gas is heated by another group of heated honeycomb ceramic heat accumulators and then enters a regeneration reactor, and waste gas generated by regeneration directly enters a heat accumulating type catalytic combustion device for disposal and emission.
According to the novel waste activated carbon regeneration device provided by the embodiment of the utility model, the activated carbon regeneration gas is heated by the honeycomb ceramic heat accumulator and has a certain temperature before entering the activated carbon regeneration reactor, so that the energy used for activated carbon regeneration can be saved; the temperature of the high-temperature flue gas before entering the desulfurizing tower can be controlled by the honeycomb ceramic heat accumulator; the activated carbon regeneration reactor contains a vacuum pump, and special atmosphere can be kept in the reactor by matching with gas purging, so that the quality loss of the activated carbon is reduced, or the activated carbon is modified, and the adsorption efficiency after regeneration is improved.
The novel waste activated carbon regeneration device provided by the embodiment of the utility model can regenerate waste activated carbon, reduce energy consumption and quality loss in the thermal regeneration process of activated carbon, and improve the utilization of flue gas waste heat. Not only can not influence original flue gas treatment process and effect in the implementation process, can further promote the desulfurization efficiency of flue gas even.
The above embodiments of the present invention are not exhaustive of the techniques known in the art.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model.
Claims (6)
1. The utility model provides a novel abandonment active carbon regeneration device which characterized in that includes: one or more groups of honeycomb ceramic heat accumulator devices, an active carbon regeneration reactor (12), a heat accumulating type catalytic combustion device (13) and a desulfurizing tower (14);
wherein:
the flue gas inlet end of each group of the honeycomb ceramic heat accumulator devices is connected with a flue gas inlet through a first group of switch valves;
the flue gas outlet end of each group of the honeycomb ceramic heat accumulator devices is connected with the inlet end of the desulfurizing tower (14) through a gas pipeline, and a second group of switch valves are installed on the gas pipeline;
the activated carbon regeneration gas inlet is connected with the flue gas outlet end of each group of honeycomb ceramic heat accumulator device through a pipeline, and the inlet of the pipeline is provided with a flow regulating valve;
the inlet end of the activated carbon regeneration reactor (12) is connected with the flue gas inlet end of each group of honeycomb ceramic heat accumulator device through a gas pipeline, and a third group of switch valves are installed on the gas pipeline;
the heat accumulating type catalytic combustion device (13) is connected with the outlet end of the activated carbon regeneration reactor (12).
2. The novel spent activated carbon regeneration device according to claim 1, wherein each group of said plurality of groups of honeycomb ceramic regenerator devices comprises at least two honeycomb ceramic regenerators.
3. The novel spent activated carbon regeneration device according to claim 2, wherein the exterior of each honeycomb ceramic heat accumulator is coated with a heat insulating layer.
4. The novel spent activated carbon regeneration apparatus as set forth in claim 1, wherein the activated carbon regeneration reactor (12) is provided with an electric heating structure and a vacuum pump.
5. The new spent activated carbon regeneration device according to claim 1, characterized in that the regenerative catalytic combustion device (13) is provided with an electric tracing system.
6. The novel spent activated carbon regeneration device according to claim 1, wherein the inlet end of the desulfurization tower (14) is provided with a temperature sensor (9).
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