CN217556123U - Debenzolization process equipment and dry quenching waste heat utilization system - Google Patents
Debenzolization process equipment and dry quenching waste heat utilization system Download PDFInfo
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- CN217556123U CN217556123U CN202220270599.0U CN202220270599U CN217556123U CN 217556123 U CN217556123 U CN 217556123U CN 202220270599 U CN202220270599 U CN 202220270599U CN 217556123 U CN217556123 U CN 217556123U
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- 238000000034 method Methods 0.000 title claims abstract description 63
- 230000008569 process Effects 0.000 title claims abstract description 62
- 238000010791 quenching Methods 0.000 title claims abstract description 55
- 230000000171 quenching effect Effects 0.000 title claims abstract description 55
- 239000002918 waste heat Substances 0.000 title claims abstract description 36
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000010438 heat treatment Methods 0.000 claims abstract description 57
- 239000000571 coke Substances 0.000 claims abstract description 28
- 238000000605 extraction Methods 0.000 claims description 19
- 239000000112 cooling gas Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 136
- 239000007789 gas Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000001256 steam distillation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The utility model provides a debenzolization process equipment and dry quenching waste heat utilization system. The device comprises a debenzolization process device, a steam heat source, a heating device and a plurality of steam pipelines, wherein the debenzolization process device comprises a debenzolization tower, a rich oil pipeline used for conveying rich oil to the debenzolization tower, and a lean oil circulating pipeline used for conveying the lean oil discharged from the debenzolization tower back to the debenzolization tower; the heating device is respectively connected with the rich oil pipeline and the lean oil circulating pipeline and is used for heating the rich oil conveyed to the debenzolization tower and the lean oil conveyed to the debenzolization tower; the steam heat source is connected with the heating device through a steam pipeline and used for conveying steam to the heating device. The coke dry quenching waste heat utilization system comprises coke dry quenching equipment and a steam turbine, and the steam turbine is used as a steam heat source to convey steam to the heating device. The utility model provides a take off benzene process units and dry coke quenching waste heat utilization system, it can enough improve the process security, can reduce equipment cost again.
Description
Technical Field
The utility model relates to a coking technical field specifically, relates to a debenzolization process units and dry coke quenching waste heat utilization system.
Background
In a conventional benzene production process, rich oil and lean oil are heated by a tube furnace, and then the heated rich oil and lean oil are sent to a debenzolization tower for debenzolization to extract crude benzene or light benzene. Existing tube furnaces typically heat steam by burning coke oven gas to heat rich and lean oil with the heated steam, and then feed the heated rich and lean oil to a debenzolization tower.
However, since the tube furnace is an open flame heating apparatus, it needs to be disposed at a position far from the gaseous combustible liquid container, for example, at a position 15m from the debenzolization tower, which results in an increase in the overall footprint of the benzene production process apparatus. In addition, since the tube furnace uses coke oven gas as fuel, the coke oven gas also generates a large amount of harmful gas during combustion, which causes environmental pollution or increases the cost of waste gas treatment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, provide a take off benzene process units and dry coke quenching waste heat utilization system, it can avoid using naked light firing equipment to heat lean oil and rich oil to can enough improve the technological security, can reduce equipment cost again.
The utility model provides a debenzolization process equipment for realizing the purpose of the utility model, which comprises a debenzolization tower, an oil-rich pipeline for conveying rich oil to the debenzolization tower and a lean oil circulation pipeline for conveying the lean oil discharged from the debenzolization tower back to the debenzolization tower, and is characterized by also comprising a steam heat source, a heating device and a plurality of steam pipelines; wherein,
the heating device is respectively connected with the rich oil pipeline and the lean oil circulating pipeline and is used for heating the rich oil conveyed to the debenzolization tower and the lean oil conveyed to the debenzolization tower;
the steam heat source is connected with the heating device through the steam pipeline and used for conveying steam to the heating device.
Optionally, the steam output from the steam heat source to the heating device is medium-pressure superheated steam.
Optionally, the heating device comprises a rich heater and a lean heater, wherein,
the oil-rich heater comprises a first oil cavity and a first steam cavity which are not communicated with each other, and the first oil cavity is arranged in the first steam cavity; an oil inlet of the first oil cavity is communicated with the oil-rich pipeline, and an oil outlet of the first oil cavity is communicated with an oil inlet of the debenzolization tower; the first steam cavity is communicated with the steam pipeline;
the lean oil heater comprises a second oil cavity and a second steam cavity which are not communicated with each other, and the second oil cavity is arranged inside the second steam cavity; an oil inlet and an oil outlet of the second oil cavity are respectively communicated with the lean oil circulation pipeline; the second steam cavity is communicated with the steam pipeline.
Optionally, the debenzolization process equipment further comprises a condensation water device for condensing the steam into liquid;
a steam inlet of the first steam cavity of the rich oil heater is communicated with the steam pipeline, and a steam outlet of the first steam cavity is communicated with the condensed water device;
and a steam inlet of the second steam cavity of the lean oil heater is communicated with the steam pipeline, and a steam outlet of the second steam cavity is communicated with the condensate device.
Optionally, the debenzolization process equipment further comprises a temperature adjusting device, wherein the temperature adjusting device is connected with the steam pipeline and is used for adjusting the temperature of the steam in the steam pipeline.
As another technical scheme, the utility model also provides a dry quenching waste heat utilization system, which is characterized in that the system comprises dry quenching equipment, a steam turbine and debenzolization process equipment; wherein a steam outlet of the dry quenching device is communicated with the steam turbine to provide steam for the steam turbine; the steam turbine is used for converting the internal energy of the steam output by the dry quenching equipment into electric energy;
the debenzolization process equipment adopts the debenzolization process equipment described in any one of the above embodiments; the steam turbine is also used as a steam heat source for the debenzolization process equipment.
Optionally, the non-adjustable steam extraction port and/or the adjustable steam extraction port of the steam turbine are/is communicated with the steam pipeline.
Optionally, the benzene removal process equipment further comprises a steam extraction device, the steam extraction device is arranged at a steam outlet of the steam turbine or in the steam pipeline, and the steam extraction device is used for extracting steam from the steam turbine.
Optionally, the dry quenching device comprises a dry quenching cavity, an annular flue and a waste heat boiler; wherein,
the dry quenching cavity is used for containing red coke;
a first air outlet of the annular flue is communicated with the dry quenching cavity and is used for introducing cooling gas into the dry quenching cavity, and the cooling gas is used for exchanging heat with the red coke; the annular flue is communicated with the waste heat boiler and is used for introducing cooling gas subjected to heat exchange with the red coke into the waste heat boiler so as to exchange heat with steam in the waste heat boiler;
and the steam outlet of the waste heat boiler is used as the steam outlet of the dry quenching device.
The utility model discloses following beneficial effect has:
the utility model provides a benzene removal process equipment, including heating device and the steam heat source that is arranged in heating lean oil and rich oil, through set up steam conduit between steam heat source and heating device, utilize the heat of steam as heating device's heat source to carry to the rich oil of debenzolization tower and heat to the lean oil of carrying to the debenzolization tower, thereby need not additionally to set up naked light firing equipment such as tubular furnace and heat lean oil and rich oil, and then reduced the incidence of incident in the technology. In addition, compared with open fire heating equipment such as a tube furnace, the occupied area of the steam pipeline is smaller, so that the equipment cost can be reduced.
The utility model provides a dry quenching waste heat utilization system, including dry quenching equipment, steam turbine and the debenzolization process units in the above-mentioned embodiment. Wherein, the superheated steam generated by the dry quenching device can be introduced into a steam turbine to be used for the steam turbine to generate electricity; the steam turbine can not completely convert the internal energy of the superheated steam into electric energy, so that the steam exhausted by the steam turbine is used as a heat source, the internal energy of the steam in the steam turbine can be fully utilized, and the steam turbine can be used as a steam heat source to provide heat for the heating device, so that the waste heat of the dry quenching process can be fully utilized, and the economic benefit is improved.
Drawings
FIG. 1 is a schematic view of the structure of a debenzolization process apparatus provided in this example;
fig. 2 is a schematic structural diagram of the dry quenching waste heat utilization system provided by the embodiment.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the details of the debenzolization process equipment and the coke dry quenching waste heat utilization system provided by the present invention are described below with reference to the accompanying drawings.
The prior debenzolization process usually separates benzene from rich oil by utilizing different boiling points of all components in the rich oil, wherein the rich oil refers to a liquid mixture rich in various aromatic compounds such as benzene and the like. Specifically, the benzene removal process usually adopts a mode of directly introducing rich oil into a benzene removal tower and heating the rich oil to 250-300 ℃ so as to separate benzene from the rich oil at high temperature; or spraying the rich oil from the top of the debenzolization tower into the inside, and simultaneously introducing steam from the bottom of the debenzolization tower so as to distill benzene in the rich oil by using the temperature of the steam while the steam is mixed with the rich oil, thereby separating the rich oil from the rich oil. Above two kinds of debenzolization modes all need preheat it before letting in the rich oil to the debenzolization tower to guarantee that the rich oil is after letting in the debenzolization tower, the debenzolization technology can in time go on, avoid extravagant process time. The rich oil becomes lean oil after the above debenzolization process is performed once, but in actual production, the lean oil still contains a certain amount of benzene, so in order to reduce the process cost and avoid the waste of raw materials, the existing debenzolization process usually discharges the lean oil still containing a certain amount of benzene from the debenzolization tower, preheats the lean oil, and then feeds the lean oil into the debenzolization tower again to perform the debenzolization process.
In order to optimize the preheating process of rich oil and lean oil based on the conventional debenzolization process, the present embodiment provides a debenzolization process apparatus, as shown in fig. 1, which includes a debenzolization tower 1, a rich oil line 2 for delivering the rich oil to the debenzolization tower 1, and a lean oil circulation line 3 for delivering the lean oil discharged from the debenzolization tower 1 back to the debenzolization tower 1. Specifically, the debenzolization tower 1 adopts a debenzolization and regeneration integrated tower, which has the functions of debenzolization and solvent desorption, thereby saving the floor space of the equipment and saving the equipment cost.
The debenzolization process equipment in the embodiment further comprises a steam heat source 4, a heating device 5 and a plurality of steam pipelines. The heating device 5 is connected with the rich oil pipeline 2 and the lean oil circulation pipeline 3 respectively, and is used for heating the rich oil conveyed to the debenzolization tower 1 and the lean oil conveyed to the debenzolization tower 1, preheating the rich oil and the lean oil, and then inputting the preheated rich oil and the preheated lean oil into the debenzolization tower 1. The steam heat source 4 is connected to the heating device 5 through a steam pipeline, and is used for delivering steam to the heating device 5 to provide heat for the rich and lean preheating process, so as to heat the lean oil and the rich oil in the heating device 5. As described above, the debenzolization tower 1 is used to extract benzene from the rich oil, and both the rich oil and the lean oil generated in the debenzolization process are combustible liquids, so the steam heat source 4 in this embodiment is safer than a tube furnace or other open-flame heating equipment as the heat source of the heating device 5. In addition, if the rich oil and the lean oil are heated by open fire heating equipment such as a tube furnace, the distance between the rich oil and the lean oil and the debenzolization tower is at least 15m, and compared with the method, the occupied area for conveying steam by the steam pipeline adopted in the embodiment is smaller, and the equipment cost is lower.
In some embodiments, the steam output by the steam heat source 4 to the heating device 5 is medium pressure superheated steam. Specifically, in the art, "superheated steam" refers to steam above the gasification temperature (boiling point at the current pressure), e.g., 380 ℃ to 450 ℃; also, "medium pressure" generally refers to a gas pressure in the range of 2.5MPa to 6MPa, such that the medium pressure superheated steam has both sufficient kinetic energy to flow to the heating device and a sufficiently high temperature to heat the rich and lean oils.
In some embodiments, as shown in fig. 1, the heating device 5 includes a rich heater 51 and a lean heater 52. Specifically, the rich oil heater 51 includes a first oil chamber and a first steam chamber that are not communicated with each other, and the first oil chamber is disposed inside the first steam chamber; an oil inlet of the first oil cavity is communicated with an oil-rich pipeline, and an oil outlet of the first oil cavity is communicated with an oil inlet of the debenzolization tower 1; the first steam cavity is communicated with the steam pipeline so as to heat the rich oil in the first oil cavity by utilizing the hot steam. The lean oil heater 52 includes a second oil chamber and a second steam chamber that are not communicated with each other, the second oil chamber being provided inside the second steam chamber; an oil inlet and an oil outlet of the second oil cavity are respectively communicated with the lean oil circulating pipeline 3, furthermore, an oil inlet of the second oil cavity is communicated with an oil outlet of the debenzolization tower 1, and an oil outlet of the second oil cavity is communicated with an oil inlet of the debenzolization tower 1; the second steam chamber is in communication with the steam line to heat the lean oil in the second oil chamber with the hot steam.
In some embodiments, as shown in fig. 1, a first-stage rich oil heat exchanger 21 and a second-stage rich oil heat exchanger 22 are further disposed in the rich oil pipeline 2 for conveying the rich oil, and are used for heating the rich oil in the rich oil pipeline 2, so that the rich oil is preheated before flowing to the rich oil heater 51, and thus the rich oil heater 51 can be prevented from heating the rich oil to the temperature expected by the process.
In some embodiments, as shown in fig. 1, a circulation pump 31 is further disposed in the lean oil circulation line 3 for driving the lean oil in the lean oil circulation line 3 to flow out of the debenzolization tower 1 and back to the debenzolization tower 1.
In some embodiments, as shown in fig. 1, the debenzolization process equipment further comprises a condensate water device 6 for condensing the steam into liquid to recover residual steam in the steam line and condensate water that may be generated during the heating process. Specifically, a steam inlet of a first steam cavity of the rich oil heater 51 is communicated with a steam pipeline, and a steam outlet of the first steam cavity is communicated with the condensate water device 6; the steam inlet of the second steam cavity of the lean oil heater 52 is communicated with the steam pipeline, and the steam outlet of the second steam cavity is communicated with the condensate water device 6.
In some embodiments, the debenzolization process apparatus further comprises a temperature adjustment device (not shown in the figures) connected to the vapor line for adjusting the temperature of the vapor in the vapor line. Specifically, the temperature adjusting device is, for example, a condensing pipeline or an electric heater disposed on an outer wall of the steam pipeline for connecting, so as to adjust the temperature of the steam inside the steam pipeline to be higher or lower. Alternatively, in other embodiments, the length of the steam pipeline may be designed to make the steam inside the steam pipeline reach the temperature desired by the process during the process of flowing from the steam heat source 4 to the heating device 5.
The debenzolization process equipment provided by the embodiment comprises a heating device and a steam heat source, wherein the heating device and the steam heat source are used for heating lean oil and rich oil, and a steam pipeline is arranged between the steam heat source and the heating device to use the heat of steam as the heat source of the heating device so as to heat the rich oil conveyed to a debenzolization tower and the lean oil conveyed to the debenzolization tower, so that open-fire heating equipment such as a tubular furnace and the like is not required to be additionally arranged to heat the lean oil and the rich oil, and the occurrence rate of safety accidents in the process is further reduced. And, compare in adopting naked light firing equipment such as tubular furnace, the area of setting up the steam conduit is littleer to can reduce equipment cost.
Based on the above debenzolization process equipment, as another technical solution, the embodiment further provides a coke dry quenching waste heat utilization system, as shown in fig. 2, which includes a coke dry quenching equipment (not shown in the figure), a steam turbine 4 and debenzolization process equipment. Wherein, the steam outlet of the dry quenching device is communicated with the steam turbine 4 and is used for providing steam for the steam turbine 4; the steam turbine 4 is used for converting the internal energy of the steam output by the dry quenching equipment into electric energy; the steam turbine 4 may also be used as a steam heat source for the debenzolization process equipment to deliver a portion of the steam to the heating means 5.
Therefore, the residual heat energy generated by the coke dry quenching equipment after coking is converted into electric energy, and the residual heat which can not be completely utilized by the steam turbine 4 can be reused for heating rich oil and lean oil, so that the waste heat of the coke dry quenching process is recycled step by step, the loss of heat energy is effectively reduced, and the overall economic benefit of the coke dry quenching-power generation-debenzolization process flow is further improved; in addition, open fire heating equipment such as a tube furnace and the like is avoided being used as a heat source of the heating device, and extra consumption of fuel such as coal gas and the like is not needed, so that the safety of the process can be improved, and the emission of pollutants can be effectively reduced.
In other embodiments, if the debenzolization tower 1 uses the temperature of the steam itself to distill benzene in the rich oil, i.e., the debenzolization process is performed by steam distillation, the steam turbine 4 is also used to deliver steam to the debenzolization tower 1. Specifically, a steam outlet of the steam turbine 4 is communicated with a steam inlet at the bottom of the debenzolization tower 1 through a steam pipeline, so that steam is introduced from the bottom of the debenzolization tower 1, and the benzene in the rich oil is distilled by utilizing the temperature of the steam while the steam is mixed with the rich oil, so that the benzene is separated from the rich oil.
In some embodiments, the unregulated and/or regulated extraction of the steam turbine 4 is in communication with a steam line to deliver steam to the heating device 5. Specifically, the non-adjustable steam extraction port of the steam turbine 4 refers to a steam extraction port communicated with a steam chamber of the steam turbine 4, and the steam pressure extracted from the steam extraction port changes along with the load change of the steam turbine 4; the adjustable steam extraction port is a steam extraction port communicated with a pressure regulator of the steam turbine 4, and the steam pressure extracted from the steam extraction port can be adjusted by the pressure regulator.
In some embodiments, the debenzolization process equipment further comprises a steam extraction device (not shown) disposed at the steam outlet of the steam turbine 4 or in the steam pipeline, wherein the steam extraction device is used for extracting steam from the steam turbine 4 so as to prevent the steam pipeline from being too long to reach the heating device 5.
In some embodiments, the dry quenching apparatus includes a dry quenching chamber, an annular flue, and a waste heat boiler. Wherein, the dry quenching cavity is used for containing red coke so as to cool the red coke therein; a first steam outlet of the annular flue is communicated with the dry quenching cavity and is used for introducing cooling gas into the dry quenching cavity, and the cooling gas is used for carrying out heat exchange with the red coke so as to cool the red coke; and a first steam outlet of the annular flue is communicated with the dry quenching cavity so that the cooling gas circularly flows in the dry quenching cavity. The annular flue is communicated with the waste heat boiler and used for introducing cooling gas subjected to heat exchange with the red coke into the waste heat boiler to exchange heat with steam in the waste heat boiler so as to heat the steam in the waste heat boiler. The steam outlet of the waste heat boiler is used as the steam outlet of the dry quenching device and is communicated with the steam inlet of the steam turbine 4 to provide steam for the steam turbine 4.
The coke dry quenching waste heat utilization system provided by the embodiment comprises coke dry quenching equipment, a steam turbine and the debenzolization process equipment in the embodiment. Wherein, the superheated steam generated by the dry quenching device can be introduced into a steam turbine to be used for the steam turbine to generate electricity; the steam turbine can not completely convert the internal energy of the superheated steam into electric energy, so that the steam exhausted by the steam turbine is used as a heat source, the internal energy of the steam in the steam turbine can be fully utilized, and the steam turbine can be used as a steam heat source to provide heat for the heating device, so that the waste heat of the dry quenching process can be fully utilized, and the economic benefit is improved.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (9)
1. A debenzolization process device comprises a debenzolization tower, an oil-rich pipeline used for conveying rich oil to the debenzolization tower, and a lean oil circulation pipeline used for conveying the lean oil discharged from the debenzolization tower back to the debenzolization tower, and is characterized by also comprising a steam heat source, a heating device and a plurality of steam pipelines; wherein,
the heating device is respectively connected with the rich oil pipeline and the lean oil circulating pipeline and is used for heating the rich oil conveyed to the debenzolization tower and the lean oil conveyed to the debenzolization tower;
the steam heat source is connected with the heating device through the steam pipeline and is used for conveying steam to the heating device.
2. The debenzolization process plant of claim 1, wherein the steam output by the steam heat source to the heating device is medium pressure superheated steam.
3. The debenzolization process plant of claim 1, wherein the heating means comprises a rich oil heater and a lean oil heater, wherein,
the oil-rich heater comprises a first oil cavity and a first steam cavity which are not communicated with each other, and the first oil cavity is arranged inside the first steam cavity; an oil inlet of the first oil cavity is communicated with the oil-rich pipeline, and an oil outlet of the first oil cavity is communicated with an oil inlet of the debenzolization tower; the first steam cavity is communicated with the steam pipeline;
the lean oil heater comprises a second oil cavity and a second steam cavity which are not communicated with each other, and the second oil cavity is arranged inside the second steam cavity; an oil inlet and an oil outlet of the second oil cavity are respectively communicated with the lean oil circulating pipeline; the second steam cavity is communicated with the steam pipeline.
4. The debenzolization process plant of claim 3, further comprising a condensing water device for condensing steam to a liquid;
a steam inlet of the first steam cavity of the rich oil heater is communicated with the steam pipeline, and a steam outlet of the first steam cavity is communicated with the condensed water device;
and a steam inlet of the second steam cavity of the lean oil heater is communicated with the steam pipeline, and a steam outlet of the second steam cavity is communicated with the condensate device.
5. The debenzolization process apparatus of claim 1, further comprising a temperature regulation device connected to the vapor line for regulating the temperature of the vapor in the vapor line.
6. A dry quenching waste heat utilization system is characterized by comprising dry quenching equipment, a steam turbine and debenzolization process equipment; wherein a steam outlet of the dry quenching device is communicated with the steam turbine to provide steam for the steam turbine; the steam turbine is used for converting the internal energy of the steam output by the dry quenching equipment into electric energy;
the debenzolization process equipment adopts the debenzolization process equipment as claimed in any one of claims 1 to 5; the steam turbine is also used as a steam heat source for the debenzolization process equipment.
7. The dry quenching waste heat utilization system of claim 6, wherein an unregulated steam extraction port and/or a regulated steam extraction port of the steam turbine is in communication with the steam line.
8. The coke dry quenching waste heat utilization system of claim 6, wherein the de-benzene process equipment further comprises a steam extraction device, the steam extraction device is arranged at a steam outlet of the steam turbine or in the steam pipeline, and the steam extraction device is used for extracting steam from the steam turbine.
9. The dry quenching waste heat utilization system of claim 6, wherein the dry quenching device comprises a dry quenching cavity, an annular flue and a waste heat boiler; wherein,
the dry quenching cavity is used for containing red coke;
a first air outlet of the annular flue is communicated with the dry quenching cavity and is used for introducing cooling gas into the dry quenching cavity, and the cooling gas is used for exchanging heat with the red coke; the annular flue is communicated with the waste heat boiler and is used for introducing cooling gas subjected to heat exchange with the red coke into the waste heat boiler so as to exchange heat with steam in the waste heat boiler;
and the steam outlet of the waste heat boiler is used as the steam outlet of the dry quenching device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220270599.0U CN217556123U (en) | 2022-02-10 | 2022-02-10 | Debenzolization process equipment and dry quenching waste heat utilization system |
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| CN202220270599.0U CN217556123U (en) | 2022-02-10 | 2022-02-10 | Debenzolization process equipment and dry quenching waste heat utilization system |
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| CN217556123U true CN217556123U (en) | 2022-10-11 |
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