CN111140862A - High-purity n-butane production device - Google Patents
High-purity n-butane production device Download PDFInfo
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- CN111140862A CN111140862A CN201911376111.1A CN201911376111A CN111140862A CN 111140862 A CN111140862 A CN 111140862A CN 201911376111 A CN201911376111 A CN 201911376111A CN 111140862 A CN111140862 A CN 111140862A
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- butane
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
- F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
- F23G7/068—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator using regenerative heat recovery means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/20—Waste heat recuperation using the heat in association with another installation
- F23G2206/203—Waste heat recuperation using the heat in association with another installation with a power/heat generating installation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention relates to the technical field of waste gas treatment, and particularly discloses a high-purity n-butane production device, which comprises an n-butane positive product structure and a waste gas treatment device communicated with the n-butane positive product structure; the waste gas treatment device comprises an oxidation incinerator, an n-butane recovery device and a regenerative chamber; one side of the n-butane positive product structure is provided with the waste discharge port, and the waste discharge port is through the input of the waste discharge fan of waste discharge pipe intercommunication, and the output of the waste discharge fan is through waste discharge pipe intercommunication n-butane recovery unit, n-butane recovery unit's inside is provided with multistage adsorption structure. The waste gas treatment device provided by the invention respectively uses the n-butane recovery device, the waste heat boiler and the oxidation incinerator to carry out corresponding n-butane recovery, waste heat recovery and waste gas purification on high-temperature waste gas generated in the n-butane production process, so that the air pollution is effectively reduced, and the economic benefit and the environmental benefit are higher.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a high-purity n-butane production device.
Background
N-butane is colorless and has a slightly unpleasant odor. Insoluble in water, soluble in alcohol and chloroform. Is inflammable and explosive. The 2008 national ministry of health approves the used processing aid for food industry. Can be used as solvent, refrigerant and organic synthetic raw material. The oil field gas, the wet natural gas and the cracked gas all contain n-butane and are obtained by separation. The n-butane is used as a raw material for producing the maleic anhydride, and the purity of the n-butane needs to be strictly controlled in order to ensure the purity of the maleic anhydride product. The existing n-butane separation and purification is mostly prepared by a fractional distillation method.
But in the refining process of the normal butane, impurity gases are generated, and because the impurity gases are more in types, including ethane, propane, isobutane, butylene and the like, the waste gases are directly discharged to cause environmental pollution, so that the economic benefit and the environmental benefit are lower.
Disclosure of Invention
The invention aims to provide a high-purity n-butane production device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-purity n-butane production device comprises an n-butane production structure and a waste gas treatment device communicated with the n-butane production structure; the waste gas treatment device comprises an oxidation incinerator, an n-butane recovery device and a regenerative chamber; a waste discharge port is formed in one side of the n-butane positive product structure and is communicated with the input end of a waste discharge fan through a waste discharge pipe, the output end of the waste discharge fan is communicated with an n-butane recovery device through the waste discharge pipe, and a multi-stage adsorption structure is arranged inside the n-butane recovery device; the bottom of the n-butane recovery device is provided with an exhaust port which is communicated with two shunt tubes through a main exhaust pipe, and one ends of the two shunt tubes, which are far away from the main exhaust pipe, are respectively connected with the oxidation incinerator and the regenerator; an exhaust fan is arranged between the n-butane recovery device and the main exhaust pipe; an incineration catalytic bed is arranged in the oxidation incinerator, and the oxidation incinerator is communicated with an oxygen supply fan through an oxygen supply pipe.
Preferably, the top end of the oxidation incinerator is provided with a high-temperature gas outlet, the high-temperature gas outlet is communicated with a waste heat boiler through a recovery pipe to recover heat energy in the waste gas, so that the temperature of the high-temperature flue gas is reduced to reach the emission standard.
Preferably, the multistage adsorption structure is an activated carbon adsorbent, and the porous structure of the activated carbon adsorbent is used for selectively adsorbing the n-butane component in the waste gas.
Preferably, a gas distributor is installed inside the oxidation incinerator.
Preferably, a catalyst carrier is arranged on the incineration catalytic bed, and the catalyst carrier is a metal or ceramic honeycomb and bulk packing.
Preferably, a heat storage net is arranged in the heat storage chamber.
Compared with the prior art, the invention has the beneficial effects that:
the waste gas treatment device provided by the invention respectively uses the n-butane recovery device, the waste heat boiler and the oxidation incinerator to carry out corresponding n-butane recovery, waste heat recovery and waste gas purification on high-temperature waste gas generated in the n-butane production process, so that the air pollution is effectively reduced, and the economic benefit and the environmental benefit are higher.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a n-butane production configuration; 2. a heat storage network; 3. oxidizing and incinerating the furnace; 4. a normal butane recovery device; 5. a regenerator; 6. a waste discharge pipe; 7. a waste discharge fan; 8. a multi-stage adsorption structure; 9. a main exhaust pipe; 10. a shunt tube; 11. an exhaust fan; 12. incinerating the catalytic bed; 13. an oxygen delivery tube; 14. an oxygen supply fan; 15. a recovery pipe; 16. a waste heat boiler; 17. a gas distributor; 18. a catalyst support.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the present invention provides a technical solution: a high-purity n-butane production device comprises an n-butane production structure 1 and a waste gas treatment device communicated with the n-butane production structure 1; the waste gas treatment device comprises an oxidation incinerator 3, an n-butane recovery device 4 and a regenerative chamber 5; one side of the n-butane positive product structure 1 is provided with a waste discharge port, the waste discharge port is communicated with the input end of a waste discharge fan 7 through a waste discharge pipe 6, the output end of the waste discharge fan 7 is communicated with an n-butane recovery device 4 through the waste discharge pipe 6, and a multi-stage adsorption structure 8 is arranged inside the n-butane recovery device 4; the bottom of the n-butane recovery device 4 is provided with an exhaust port which is communicated with two shunt tubes 10 through a main exhaust pipe 9, and one ends of the two shunt tubes 10 far away from the main exhaust pipe 9 are respectively connected with the oxidation incinerator 3 and the regenerative chamber 5; an exhaust fan 11 is arranged between the n-butane recovery device 4 and the main exhaust pipe 9; an incineration catalyst bed 12 is installed inside the oxidation incinerator 3, and the oxidation incinerator 3 is communicated with an oxygen supply fan 14 through an oxygen supply pipe 13.
Further, a high-temperature gas outlet is arranged at the top end of the oxidation incinerator 3, and the high-temperature gas outlet is communicated with a waste heat boiler 16 through a recovery pipe 15.
Further, the multi-stage adsorption structure 8 is an activated carbon adsorbent.
Further, a gas distributor 17 is installed inside the oxidation incinerator 3.
Further, a catalyst carrier 18 is arranged on the incineration catalyst bed 12, and the catalyst carrier 18 is a metal or ceramic honeycomb and bulk packing.
Further, a heat storage net 2 is provided inside the heat storage chamber 5.
The working principle is as follows: waste gas generated in the working process of the n-butane production structure 1 is discharged to an n-butane recovery device 4 through a waste discharge pipe 6 under the action of a waste discharge fan 7, and a multi-stage n-butane adsorption structure 8 in the n-butane recovery device 4 adsorbs n-butane in mixed gas to be recycled; the adsorbed mixed gas passes through an exhaust port at the bottom of the n-butane recovery device 4, is respectively conveyed into the oxidation incinerator 3 and the regenerative chamber 5 through a main exhaust pipe 9 and a corresponding shunt pipe 10 under the action of an exhaust fan 11, and organic matters in the mixed gas are converted into carbon dioxide and water vapor to become harmless high-temperature flue gas by utilizing the support of oxygen provided by a catalyst on an incineration catalyst bed 12 in the oxidation incinerator 3, an oxygen supply fan 14 and an oxygen supply pipe 13 to the oxidation incinerator 3; the catalyzed high-temperature flue gas is conveyed to a waste heat boiler 16 through a high-temperature gas outlet and a recovery pipe 15, and the heat energy in the high-temperature flue gas is recovered, so that the high-temperature flue gas is cooled to become low-temperature flue gas meeting the emission requirement; and part of the high-temperature flue gas exchanges heat with a heat accumulator in the heat accumulation chamber 5, so that the high-temperature flue gas is cooled and discharged into the atmosphere.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high-purity n-butane apparatus for producing which characterized in that: the device comprises a normal-production n-butane structure (1) and a waste gas treatment device communicated with the normal-production n-butane structure (1); the waste gas treatment device comprises an oxidation incinerator (3), an n-butane recovery device (4) and a regenerative chamber (5); a waste discharge port is formed in one side of the n-butane positive product structure (1), the waste discharge port is communicated with an input end of a waste discharge fan (7) through a waste discharge pipe (6), an output end of the waste discharge fan (7) is communicated with an n-butane recovery device (4) through the waste discharge pipe (6), and a multi-stage adsorption structure (8) is arranged inside the n-butane recovery device (4); an exhaust port is arranged at the bottom of the n-butane recovery device (4), the exhaust port is communicated with two shunt tubes (10) through a main exhaust pipe (9), and one ends of the two shunt tubes (10) far away from the main exhaust pipe (9) are respectively connected with the oxidation incinerator (3) and the regenerator (5); an exhaust fan (11) is arranged between the n-butane recovery device (4) and the main exhaust pipe (9); an incineration catalyst bed (12) is arranged in the oxidation incinerator (3), and the oxidation incinerator (3) is communicated with an oxygen supply fan (14) through an oxygen supply pipe (13).
2. The apparatus for producing high-purity n-butane according to claim 1, wherein: the top end of the oxidation incinerator (3) is provided with a high-temperature gas outlet which is communicated with a waste heat boiler (16) through a recovery pipe (15).
3. The apparatus for producing high-purity n-butane according to claim 1, wherein: the multistage adsorption structure (8) is an activated carbon adsorbent.
4. The apparatus for producing high-purity n-butane according to claim 1, wherein: and a gas distributor (17) is arranged in the oxidation incinerator (3).
5. The apparatus for producing high-purity n-butane according to claim 1, wherein: the incineration catalyst bed (12) is provided with a catalyst carrier (18), and the catalyst carrier (18) is a metal or ceramic honeycomb and bulk packing.
6. The apparatus for producing high-purity n-butane according to claim 1, wherein: and a heat storage net (2) is arranged in the heat storage chamber (5).
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CN201911376111.1A CN111140862A (en) | 2019-12-27 | 2019-12-27 | High-purity n-butane production device |
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CN201911376111.1A CN111140862A (en) | 2019-12-27 | 2019-12-27 | High-purity n-butane production device |
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CN111140862A true CN111140862A (en) | 2020-05-12 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1891328A (en) * | 2006-05-10 | 2007-01-10 | 杨皓 | Low concentration adsorbable contituent variable-pressure adsorption and separation method |
US20080081939A1 (en) * | 2006-09-29 | 2008-04-03 | Refining Hydrocarbon Technologies Llc | Low cost selective Octene process : RHT-Octene |
CN204063091U (en) * | 2014-07-21 | 2014-12-31 | 哈尔滨宏万智科技开发有限公司 | A kind of device for recovering afterheat of waste gas in boiler |
CN206291222U (en) * | 2016-12-06 | 2017-06-30 | 山东麟丰化工科技有限公司 | A kind of emission-control equipment for normal butane production |
CN107285977A (en) * | 2017-07-03 | 2017-10-24 | 无锡南理工科技发展有限公司 | A kind of system and device that normal butane is prepared by the positive structure of iso-butane |
CN107842447A (en) * | 2012-10-10 | 2018-03-27 | 米德韦斯瓦科公司 | Evaporated fuel vapor emission control system |
CN109200770A (en) * | 2017-06-30 | 2019-01-15 | 中国石油化工股份有限公司 | The processing method of butane oxidation cis-butenedioic anhydride tail gas |
-
2019
- 2019-12-27 CN CN201911376111.1A patent/CN111140862A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1891328A (en) * | 2006-05-10 | 2007-01-10 | 杨皓 | Low concentration adsorbable contituent variable-pressure adsorption and separation method |
US20080081939A1 (en) * | 2006-09-29 | 2008-04-03 | Refining Hydrocarbon Technologies Llc | Low cost selective Octene process : RHT-Octene |
CN107842447A (en) * | 2012-10-10 | 2018-03-27 | 米德韦斯瓦科公司 | Evaporated fuel vapor emission control system |
CN204063091U (en) * | 2014-07-21 | 2014-12-31 | 哈尔滨宏万智科技开发有限公司 | A kind of device for recovering afterheat of waste gas in boiler |
CN206291222U (en) * | 2016-12-06 | 2017-06-30 | 山东麟丰化工科技有限公司 | A kind of emission-control equipment for normal butane production |
CN109200770A (en) * | 2017-06-30 | 2019-01-15 | 中国石油化工股份有限公司 | The processing method of butane oxidation cis-butenedioic anhydride tail gas |
CN107285977A (en) * | 2017-07-03 | 2017-10-24 | 无锡南理工科技发展有限公司 | A kind of system and device that normal butane is prepared by the positive structure of iso-butane |
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Application publication date: 20200512 |