CN214159637U - Active burnt regeneration system - Google Patents
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- CN214159637U CN214159637U CN202022945721.3U CN202022945721U CN214159637U CN 214159637 U CN214159637 U CN 214159637U CN 202022945721 U CN202022945721 U CN 202022945721U CN 214159637 U CN214159637 U CN 214159637U
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Abstract
The utility model relates to an active burnt regeneration technical field discloses an active burnt regeneration system. The system comprises: the regeneration device comprises a heating section, a resolving section and a cooling section which are sequentially arranged from top to bottom; the first conveying sleeve comprises a first inner pipe and a first outer pipe, the first outer pipe is sleeved outside the first inner pipe, a circulation channel is formed between the first inner pipe and the first outer pipe, two ends of the first outer pipe are respectively communicated with an inlet of the heating section and an outlet of the heater, and the first inner pipe is communicated with an outlet of the resolving section; a dust remover communicated with the first inner pipe; a second delivery cannula comprising a second inner tube and a second outer tube. The utility model discloses set up conveying line into the sleeve pipe, utilize regeneration system's heat source to heat the regeneration gas pipeline simultaneously, avoided the regeneration gas condensation to make analytic section and conveying pipeline appear corroding, blocking phenomenon.
Description
Technical Field
The utility model relates to an active burnt regeneration technical field especially relates to an active burnt regeneration system.
Background
Coal is the main fossil energy in China at present and SO is used in the coal combustion process2The form is released. The active coke dry desulfurization technique is a resource desulfurization technique, the active coke saturated by adsorption can be regenerated by heating or washing with water, SO2With sulfuric acid or liquid SO2The form of (A) is recovered.
The regeneration tower is to be used for purifying the active burnt after the flue gas and heating regeneration, and active burnt is from last to down flow through respectively heating section, analytic section, cooling segment and resumes the activity, then analyzes out high concentration sulfur dioxide's regeneration gas at analytic section, and the regeneration gas passes through pipeline discharge and retrieves, and active burnt passes through lifting means such as conveyer and sends back the adsorption tower circulation absorption.
At present, in the practical application process, the regeneration tower, especially the desorption section, is easy to corrode, for example, the regenerated gas is not pumped away in time before the shutdown, or the local heat preservation of the regeneration tower is not well done, so that the regenerated gas is condensed; the analyzed regenerated gas is easy to corrode and block in the conveying pipeline, so that the pipeline pressure is increased, and the regenerated gas is not completely discharged.
Disclosure of Invention
In order to solve the technical problem, the utility model provides an active burnt regeneration system through setting up conveying pipeline into the sleeve pipe, utilizes the regeneration system heat source to heat the regeneration gas pipeline, also heats the heat preservation to analytic section simultaneously, has avoided the regeneration gas condensation to make analytic section and conveying pipeline appear corroding, blocking phenomenon.
The utility model provides a technical scheme as follows:
an activated coke regeneration system comprising:
the regeneration device comprises a heating section, a resolving section and a cooling section which are sequentially arranged from top to bottom;
the first conveying sleeve comprises a first inner pipe and a first outer pipe, the first outer pipe is sleeved outside the first inner pipe, a circulation channel is formed between the first inner pipe and the first outer pipe, two ends of the first outer pipe are respectively communicated with an inlet of the heating section and an outlet of the heater, a connecting part of the first outer pipe and the inlet of the heating section is arranged outside the analysis section and forms a circulation channel with the analysis section, and the first inner pipe is communicated with the outlet of the analysis section and is used for circulating regeneration gas;
the dust remover is communicated with the first inner pipe and is used for removing dust from the regenerated gas;
and the second conveying sleeve comprises a second inner pipe and a second outer pipe, the second outer pipe is sleeved outside the second inner pipe, a circulation channel is formed between the second inner pipe and the second outer pipe, the second outer pipe is communicated with an outlet of the cooling section, and the second inner pipe is communicated with the dust remover and used for discharging regenerated gas after dust removal.
In the technical scheme, active coke flows from top to bottom in a regeneration device, is heated by high-temperature gas in a heating section, then is analyzed to obtain regenerated gas of high-concentration sulfur dioxide in an analyzing section, and is finally cooled in a cooling section and then discharged; the heating section is provided with high-temperature gas which flows circularly, the high-temperature gas flows through the first inner tube from the outside of the first inner tube to heat the regeneration gas in the first inner tube, and the high-temperature gas flows to the outside of the analysis section and the heating section to heat the wall surface and the active coke of the analysis section respectively; the cooling section is provided with cooling gas which flows circularly, the temperature of the cooled active coke can be increased, and the heated cooling gas flows through the outside of the second inner pipe to heat the regeneration gas in the second inner pipe; the phenomena of corrosion and blockage of the desorption section and the conveying pipeline caused by the condensation of the regenerated gas are avoided.
Further preferably, a plurality of heating section inner tubes are arranged in the heating section, the plurality of heating section inner tubes are arranged at intervals to form heating channels, the heating channels are respectively communicated with an inlet and an outlet of the heating section, the upper ends of the plurality of heating section inner tubes are respectively communicated with an inlet of the regenerating device, and the lower ends of the plurality of heating section inner tubes are respectively communicated with the analysis section;
the inside of cooling zone is equipped with a plurality of cooling zone inner tube, and a plurality of cooling zone inner tube sets up at interval respectively and forms cooling channel, cooling channel respectively with the import and the export intercommunication of cooling zone, a plurality of the upper end of cooling zone inner tube respectively with analysis section intercommunication, a plurality of the lower extreme of cooling zone inner tube respectively with regenerating unit's export intercommunication.
Further preferably, the inlet of the heating section is located at one end of the heating section close to the desorption section, and the outlet of the heating section is located at one end of the heating section far from the desorption section;
the inlet of the cooling section is positioned at one end of the cooling section, which is far away from the analysis section, and the outlet of the cooling section is positioned at one end of the cooling section, which is close to the analysis section.
Further preferably, the method further comprises the following steps: a first fan;
the heating section, the first fan, the heater and the first outer pipe are sequentially connected to form a circulation loop.
Further preferably, the regeneration device is further provided with a jacket, the jacket is wrapped on the outer side of the analysis section and is arranged at an interval with the outer side wall of the analysis section to form a heat preservation chamber, and the first outer pipe is communicated with the jacket, so that the inlet of the heating section and the outlet of the analysis section are both located in the heat preservation chamber.
In the technical scheme, the jacket is arranged on the outer side of the desorption section, high-temperature gas from the heater is used for heating the heating pipe and simultaneously preserving heat for the desorption section, and the temperature of active coke in the desorption section is maintained to be more than 350 ℃, so that regenerated gas is guided more sufficiently, and the regeneration effect of the active coke is further improved; by arranging the jacket outside the desorption section, the height of the desorption section of the regeneration tower can be reduced under the condition of the same regeneration performance, and the investment cost can be saved.
Further preferably, the heater is used for heating the circulating gas, the temperature of the heated gas is 400-520 ℃, the temperature of the heating section is not lower than 350 ℃, and the temperature of the resolving section is not lower than 350 ℃.
Further preferably, the method further comprises the following steps: a second fan;
the second fan is communicated with the inlet of the cooling section, the outlet of the cooling section is communicated with the inlet of the second outer pipe, and the outlet of the second outer pipe is communicated with the outside.
Further preferably, an outlet of the second outer pipe is connected to a heat recovery device, and the hot gas discharged from the second outer pipe is recycled.
Further preferably, the temperature of the outlet of the regeneration device is 120 ℃ and the temperature of the second outer tube is 250 ℃ and 100 ℃.
Further preferably, the method further comprises the following steps: a byproduct preparation device;
the byproduct preparation device is communicated with the outlet of the second inner pipe and is used for preparing the regeneration gas into byproducts.
Compared with the prior art, the utility model discloses an active burnt regeneration system beneficial effect lies in:
in the utility model, the active coke flows from top to bottom in the regeneration device, is firstly heated by high-temperature gas in the heating section, then the regenerated gas of high-concentration sulfur dioxide is analyzed in the analyzing section, and finally the regenerated gas is discharged after being cooled in the cooling section; the heating section is provided with high-temperature gas which flows circularly, the high-temperature gas flows through the first inner tube from the outside of the first inner tube to heat the regeneration gas in the first inner tube, and the high-temperature gas flows to the outer side of the analysis section and the heating section to heat the wall surface of the analysis section and the active coke in the heating section respectively; the cooling section is provided with cooling gas which flows circularly, the temperature of the cooled active coke can be increased, and the heated cooling gas flows through the outside of the second inner pipe to heat the regeneration gas in the second inner pipe; the phenomena of corrosion and blockage of the analysis section and the conveying pipeline caused by the condensation of the regenerated gas are avoided; the jacket is arranged on the outer side of the desorption section, the heater is used for heating the heating pipe and simultaneously preserving heat for the desorption section, and the temperature of the active coke in the desorption section is maintained to be more than 350 ℃, so that the regenerated gas is led out more sufficiently, and the regeneration effect of the active coke is further improved; by arranging the jacket outside the desorption section, the height of the desorption section of the regeneration tower can be reduced under the condition of the same regeneration performance, and the investment cost can be saved.
Drawings
The foregoing features, technical features, advantages and embodiments are further described in the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings.
Fig. 1 is a schematic structural diagram of an active coke regeneration system according to an embodiment of the present invention.
The reference numbers illustrate:
1. the system comprises a regeneration device, 11, a heating section, 111, a high-temperature gas outlet, 112, a high-temperature gas inlet, 12, a desorption section, 121, a regeneration gas outlet, 13, a cooling section, 131, a low-temperature gas outlet, 132, a low-temperature gas inlet, 2, a first fan, 3, a heater, 4, a second fan, 5, a first conveying sleeve, 6, a second conveying sleeve, 7, a dust remover and 8, a byproduct preparation device.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In the embodiments shown in the drawings, the directions (such as up, down, left, right, front, and rear) are used to explain the structure and movement of the various components of the present invention not absolutely, but relatively. These illustrations are appropriate when these components are in the positions shown in the figures. If the description of the positions of these components changes, the indication of these directions changes accordingly.
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
As a specific example, as shown in fig. 1, the present example provides an active coke regenerating system comprising: the regeneration device 1, the first conveying sleeve 5, the dust remover 7 and the second conveying sleeve 6. The regeneration device 1 comprises a heating section 11, an analysis section 12 and a cooling section 13 which are sequentially arranged from top to bottom, wherein the heating section 11 is used for heating the active coke, the analysis section 12 is used for analyzing the active coke, and the cooling section 13 is used for cooling the active coke. First conveying sleeve 5 includes first inner tube and first outer tube, and first outer tube cover is established in the outside of first inner tube, and forms the circulation passageway between first inner tube and the first outer tube, the both ends of first outer tube respectively with the import and the heater export intercommunication of heating section, the connection position of first outer tube and the import of heating section is established in the outside of analytic section 12 to form the circulation passageway with analytic section 12, the export intercommunication of first inner tube and analytic section 12 for the circulation regeneration gas. The dust remover 7 is communicated with the first inner pipe and is used for removing dust from the regenerated gas. The second conveying sleeve 6 comprises a second inner pipe and a second outer pipe, the second outer pipe is sleeved outside the second inner pipe, a circulation channel is formed between the second inner pipe and the second outer pipe, the second outer pipe is communicated with an outlet of the cooling section 13, and the second inner pipe is communicated with the dust remover 7 and used for discharging the regenerated gas after dust removal.
In this embodiment, the active coke flows from top to bottom in the regeneration device 1, is first heated by the high-temperature gas in the heating section 11, then the regenerated gas of high-concentration sulfur dioxide is desorbed in the desorption section 12, and finally is cooled in the cooling section 13 and discharged; the heating section 11 is provided with high-temperature gas which flows circularly, the high-temperature gas flows through the outside of the first inner pipe to heat the regeneration gas in the first inner pipe, and the high-temperature gas flows to the outside of the analysis section 12 and enters the heating section 11 to be heated; the cooling section 13 is provided with cooling gas which circularly flows, the temperature of the cooled active coke is increased, and the heated cooling gas flows through the outside of the second inner tube to heat the regeneration gas in the second inner tube; the phenomena of corrosion and blockage of the desorption section and the conveying pipeline caused by the condensation of the regenerated gas are avoided.
Specifically, as shown in fig. 1, the regenerator 1 is generally a regenerator tower, an active coke inlet is provided at the upper end of the regenerator tower, and an active coke outlet is provided at the lower end of the regenerator tower. One side of the upper end of the heating section 11 is provided with a high-temperature gas outlet 111, and one side of the lower end of the heating section 11 is provided with a high-temperature gas inlet 112. The inside of heating section 11 is equipped with a plurality of heating section inner tube, and a plurality of heating section inner tube sets up the formation heating channel respectively at the interval, and the both ends of heating channel communicate with high-temperature gas outlet 111 and high-temperature gas outlet 111 respectively. The upper ends of the heating section inner tubes are respectively communicated with the active coke inlet, and the lower ends of the heating section inner tubes are respectively communicated with the desorption section 12.
Active coke-oven dryA large amount of sulfur dioxide is adsorbed in saturated active coke in a method desulfurization technology, the active coke enters a heating section inner tube from an active coke outlet, enters an analysis section 12 after being heated by high-temperature gas in the heating section inner tube, and then regenerated gas of high-concentration sulfur dioxide is analyzed in the analysis section 12, wherein the regenerated gas mainly comprises the following components: SO (SO)2：0～20％，HF：0～0.4％，HCl：0～1％，CO： 0～1％，CO2：0～12.9％，NH3：0～3％，H2O：10～40％，N2: 47.1%, active coke powder: about 2000mg/Nm3. The desorption section 12 is provided with a regeneration gas outlet 121, the regeneration gas outlet 121 is communicated with the first inner pipe, and the regeneration gas enters the dust remover 7 through the first inner pipe for dust removal. Because the temperature of the regenerated gas is higher at this moment, a high-temperature dust remover is needed for removing dust, and an exhaust fan can be arranged at the dust remover 7 to extract the regenerated gas to the dust remover 7.
A low-temperature gas outlet 131 is formed in one side of the upper end of the cooling section 13, and a low-temperature gas inlet 132 is formed in one side of the lower end of the cooling section 13. The inside of cooling section 13 is equipped with a plurality of cooling section inner tube, and a plurality of cooling section inner tube sets up the formation cooling channel respectively at the interval, and cooling channel communicates with low temperature gas outlet 131 and low temperature gas inlet 132 respectively. The upper ends of the plurality of cooling section inner pipes are respectively communicated with the analysis section 12, and the lower ends of the plurality of cooling section inner pipes are respectively communicated with the active coke outlet. The active coke is cooled and recovered to activity in a cooling section, and finally is sent back to the adsorption tower for cyclic adsorption through lifting equipment such as a conveyor.
In another embodiment, as shown in fig. 1, on the basis of the above embodiment, the active coke regeneration system further includes: a heater 3 and a first fan 2. The heating section 11, the first fan 2, the heater 3 and the first outer pipe are connected in sequence to form a circulation loop. The heater 3 is used for heating the medium, the temperature of the heated medium is 450-. Still be equipped with on regenerating unit 1 and press from both sides the cover cladding in the outside of analysis section 12 to set up with the lateral wall interval of analysis section 12 and form the heat preservation cavity, first outer tube and cover intercommunication for the import of heating section 11 and the export of analysis section 12 all are located the heat preservation cavity. The high-temperature gas outlet 111 is communicated with an inlet of the first fan 2 through a pipeline, an outlet of the first fan 2 is communicated with an inlet of the heater 3 through a pipeline, an outlet of the heater 3 is communicated with the right end of the first outer pipe through a pipeline, and the left end of the first outer pipe is communicated with the jacket and the high-temperature gas inlet 112. The medium heated by the heater 3 enters the first outer pipe to heat the regeneration gas in the first inner pipe, the condensation of the regeneration gas is avoided, the regeneration gas enters the jacket to heat and preserve heat of the desorption section, and finally enters the heating section 11 to heat the heating section inner pipe, so that the temperature of active coke in the desorption section and the temperature of the heating section inner pipe are not lower than 350 ℃, and then the medium is discharged from the high-temperature gas outlet 111 and is discharged to the heater 3 through the first fan 2 to be recycled.
It should be noted that, in the above embodiments, the high-temperature gas refers to a heated gas, and the medium may be air, nitrogen or other gas, or may be a liquid. When the medium is a gas, the first fan 2 may be a suction fan, and when the medium is a liquid, the first fan 2 may be a water pump. Meanwhile, the high-temperature gas is only a name of the heated medium, and if other media are used, the name should be changed accordingly.
Further, as shown in fig. 1, the active coke regeneration system further includes: and the second fan 4 is communicated with the low-temperature gas inlet 132 through a pipeline, the low-temperature gas outlet 131 is communicated with the inlet of the second outer pipe, and the outlet of the second outer pipe is communicated with the outside. Or the outlet of the second outer pipe is connected with a heat recovery device, and the hot gas discharged by the second outer pipe is recycled. The second fan 4 discharges the cooling medium into the cooling section 13 from the low-temperature gas inlet 132, and cools the active coke in the inner pipe of the cooling section, so that the temperature of the active coke discharged from the active coke outlet is 100-. The temperature of the medium after cooling the active coke is increased, and the medium after temperature increase enters the second outer pipe through the pipeline, so that the temperature of the second outer pipe is kept at 200-250 ℃, and the regeneration gas in the second inner pipe is heated, thereby avoiding the condensation of the regeneration gas. And the medium discharged from the second outer pipe enters the second fan 4 for recycling after heat recovery. For example: the medium discharged from the second outer pipe can heat water, and the heated water is used for life or industrial use.
It is to be noted that, in the above embodiment, the low-temperature gas refers to the gas discharged from the second fan 4. The medium may be air, nitrogen or other gas, or the medium may be liquid. When the medium is a gas, the second fan 4 may be a suction fan, and when the medium is a liquid, the second fan 4 may be a water pump. Meanwhile, the high-temperature gas is only a name of the heated medium, and if other media are used, the name should be changed accordingly. If the medium is air, the air is directly extracted by the second fan 4 without being recovered after heat recovery.
In another embodiment, as shown in fig. 1, on the basis of the above embodiment, the active coke regeneration system further includes: and the byproduct preparation device 8 is communicated with the outlet of the second inner pipe, and is used for preparing the regeneration gas into byproducts. For example: the by-product producing apparatus 8 is an apparatus for producing sulfur, or the by-product producing apparatus 8 is an apparatus for producing sulfuric acid, or the like.
In another embodiment, as shown in fig. 1, on the basis of the above embodiment, the present embodiment provides an active coke regeneration method, including the steps of:
s100, putting the active coke from an inlet of the regeneration device, feeding the active coke into an inner tube of a heating section, and heating the active coke to be more than 350 ℃ by a high-temperature gas heating section.
Specifically, the regeneration apparatus 1 includes a heating section 11, a desorption section 12, and a cooling section 13, which are provided in this order from the top. One side of the upper end of the heating section 11 is provided with a high-temperature gas outlet 111, and one side of the lower end of the heating section 11 is provided with a high-temperature gas inlet 112. The inside of heating section 11 is equipped with a plurality of heating section inner tube, and a plurality of heating section inner tube sets up the formation heating channel respectively at the interval, and the both ends of heating channel communicate with high-temperature gas outlet 111 and high-temperature gas outlet 111 respectively. The upper ends of the heating section inner pipes are respectively communicated with the inlet of the regeneration device, and the lower ends of the heating section inner pipes are respectively communicated with the analysis section 12.
S200, the heated active coke enters an analysis section 12 to analyze regenerated gas, the regenerated gas is discharged to a dust remover 7 through a first inner pipe, the dust is removed in the dust remover 7 and then discharged to a byproduct preparation device 8 through a second inner pipe, gas discharged by a heater 3 is heated by a first outer pipe and then enters a jacket and a heating section 11 on the outer side of the analysis section 12, and the wall surface of the analysis section 12 is heated and the active coke is heated and analyzed by the heating section 11 through a flow passage on the outer side of the analysis section 12.
Specifically, the active coke enters the heating section inner tube from the active coke outlet, is heated by high-temperature gas in the heating section inner tube and then enters the desorption section 12, and then the regeneration gas of high-concentration sulfur dioxide is desorbed in the desorption section 12. The desorption section 12 is provided with a regenerated gas outlet 121, the regenerated gas outlet 121 is communicated with the first inner pipe, the regenerated gas enters the dust remover 7 through the first inner pipe for dust removal, and the regenerated gas after dust removal enters the byproduct preparation device 8 through the second inner pipe to be recovered and prepared into byproducts. The first conveying sleeve 5 comprises a first inner pipe and a first outer pipe, the first outer pipe is sleeved outside the first inner pipe, and a circulation channel is formed between the first inner pipe and the first outer pipe. Heating section 11, first fan 2, heater 3, first outer tube connect gradually and form circulation circuit, and the medium after the heating of heater 3 gets into in the first outer tube and gets into analysis section 12 outsides and heating section 11 after the regeneration gas heating in the first inner tube, gives through analysis section 12 outside runners analysis section 12 wall heating has avoided first inner tube among the prior art or analysis section heat preservation not to do the regeneration gas condensation that leads to.
S300, the resolved active coke enters an inner tube of a cooling section, is cooled to 120 ℃ by the cooling section and is discharged for recycling through an outlet of a regeneration device, and the gas discharged from the cooling section is 200 ℃ to 250 ℃, and is heated for the second inner tube through a second outer tube.
Specifically, a low-temperature gas outlet 131 is provided at one side of the upper end of the cooling section 13, and a low-temperature gas inlet 132 is provided at one side of the lower end of the cooling section 13. The inside of cooling section 13 is equipped with a plurality of cooling section inner tube, and a plurality of cooling section inner tube sets up the formation cooling channel respectively at the interval, and cooling channel communicates with low temperature gas outlet 131 and low temperature gas inlet 132 respectively. The upper ends of the plurality of cooling section inner pipes are respectively communicated with the analysis section 12, the lower ends of the plurality of cooling section inner pipes are respectively communicated with the outlet of the regeneration device, the active coke is cooled and recovered to be active in the cooling section, and finally, the active coke is sent back to the adsorption tower for cyclic adsorption through lifting equipment such as a conveyor. The second delivery sleeve 6 comprises a second inner tube and a second outer tube, the second outer tube is sleeved outside the second inner tube, and a flow passage is formed between the second inner tube and the second outer tube. The medium is discharged into the cooling section 13 from the low-temperature gas inlet 132 through the second fan 4, the active coke in the inner pipe of the cooling section is cooled, the temperature of the cooled medium is increased, the medium with the increased temperature enters the second outer pipe, and the regenerated gas in the second inner pipe is heated, so that the regenerated gas is kept at 200-250 ℃, and the condensation of the regenerated gas caused by the heat preservation of the second inner pipe in the prior art is avoided.
In the embodiment, the active coke flows from top to bottom in the regeneration device, is heated by high-temperature gas in the heating section, then the regeneration gas of high-concentration sulfur dioxide is resolved in the resolving section, and finally the regeneration gas is cooled in the cooling section and then is discharged; the heating section is provided with high-temperature gas which flows circularly, the high-temperature gas flows through the outer part of the first inner pipe to heat the regeneration gas in the first inner pipe, and flows through the outer side of the analysis section and the heating section to heat the wall surface of the analysis section and the active coke in the heating section respectively; the cooling section is provided with cooling gas which flows circularly, the temperature of the cooled active coke can be increased, and the heated cooling gas flows through the outside of the second inner pipe to heat the regeneration gas in the second inner pipe; the problems that the regenerated gas is not pumped away in time before the machine is stopped, or the local heat preservation of the regeneration tower is not well performed, so that the regenerated gas is condensed, the phenomena of corrosion and blockage in a conveying pipeline are easy to occur, the pressure of the pipeline is increased, and the discharge of the regenerated gas is not complete are solved.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or recited in detail in a certain embodiment.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. An activated coke regeneration system, comprising:
the regeneration device comprises a heating section, a resolving section and a cooling section which are sequentially arranged from top to bottom;
the first conveying sleeve comprises a first inner pipe and a first outer pipe, the first outer pipe is sleeved outside the first inner pipe, a circulation channel is formed between the first inner pipe and the first outer pipe, two ends of the first outer pipe are respectively communicated with an inlet of the heating section and an outlet of the heater, a connecting part of the first outer pipe and the inlet of the heating section is arranged outside the analysis section and forms a circulation channel with the analysis section, and the first inner pipe is communicated with the outlet of the analysis section and is used for circulating regeneration gas;
the dust remover is communicated with the first inner pipe and is used for removing dust from the regenerated gas;
and the second conveying sleeve comprises a second inner pipe and a second outer pipe, the second outer pipe is sleeved outside the second inner pipe, a circulation channel is formed between the second inner pipe and the second outer pipe, the second outer pipe is communicated with an outlet of the cooling section, and the second inner pipe is communicated with the dust remover and used for discharging regenerated gas after dust removal.
2. The activated coke regeneration system of claim 1, wherein:
a plurality of heating section inner pipes are arranged in the heating section, a plurality of heating section inner pipes are arranged at intervals to form heating channels respectively, the heating channels are communicated with an inlet and an outlet of the heating section respectively, the upper ends of the plurality of heating section inner pipes are communicated with an inlet of the regenerating device respectively, and the lower ends of the plurality of heating section inner pipes are communicated with the analysis section respectively;
the inside of cooling zone is equipped with a plurality of cooling zone inner tube, and a plurality of cooling zone inner tube sets up at interval respectively and forms cooling channel, cooling channel respectively with the import and the export intercommunication of cooling zone, a plurality of the upper end of cooling zone inner tube respectively with analysis section intercommunication, a plurality of the lower extreme of cooling zone inner tube respectively with regenerating unit's export intercommunication.
3. The activated coke regeneration system of claim 2, wherein:
the inlet of the heating section is positioned at one end of the heating section close to the analysis section, and the outlet of the heating section is positioned at one end of the heating section far away from the analysis section;
the inlet of the cooling section is positioned at one end of the cooling section, which is far away from the analysis section, and the outlet of the cooling section is positioned at one end of the cooling section, which is close to the analysis section.
4. The activated coke regeneration system of claim 1, further comprising: a first fan;
the heating section, the first fan, the heater and the first outer pipe are sequentially connected to form a circulation loop.
5. The activated coke regeneration system of claim 4, wherein:
the regeneration device is also provided with a jacket, the jacket is coated on the outer side of the analysis section and is arranged at intervals with the outer side wall of the analysis section to form a heat preservation cavity, and the first outer pipe is communicated with the jacket, so that the inlet of the heating section and the outlet of the analysis section are both positioned in the heat preservation cavity.
6. The activated coke regeneration system of claim 5, wherein:
the heater is used for heating circulating gas, the temperature of the heated gas is 400-520 ℃, the temperature of the heating section is not lower than 350 ℃, and the temperature of the resolving section is not lower than 350 ℃.
7. The activated coke regeneration system of claim 1, further comprising: a second fan;
the second fan is communicated with the inlet of the cooling section, the outlet of the cooling section is communicated with the inlet of the second outer pipe, and the outlet of the second outer pipe is communicated with the outside.
8. The activated coke regeneration system of claim 6, wherein;
the outlet of the second outer pipe is connected with a heat recovery device, and hot gas discharged by the second outer pipe is recycled;
the temperature of the outlet of the regeneration device is 100-120 ℃, and the temperature of the second outer pipe is 200-250 ℃.
9. The activated coke regeneration system of claim 1, further comprising: a byproduct preparation device;
the byproduct preparation device is communicated with the outlet of the second inner pipe and is used for preparing the regeneration gas into byproducts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022945721.3U CN214159637U (en) | 2020-12-10 | 2020-12-10 | Active burnt regeneration system |
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| CN202022945721.3U CN214159637U (en) | 2020-12-10 | 2020-12-10 | Active burnt regeneration system |
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| CN214159637U true CN214159637U (en) | 2021-09-10 |
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| CN202022945721.3U Active CN214159637U (en) | 2020-12-10 | 2020-12-10 | Active burnt regeneration system |
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