WO2019017533A1 - Système d'élimination de cov utilisant une plaque de distribution de gaz - Google Patents

Système d'élimination de cov utilisant une plaque de distribution de gaz Download PDF

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Publication number
WO2019017533A1
WO2019017533A1 PCT/KR2017/013281 KR2017013281W WO2019017533A1 WO 2019017533 A1 WO2019017533 A1 WO 2019017533A1 KR 2017013281 W KR2017013281 W KR 2017013281W WO 2019017533 A1 WO2019017533 A1 WO 2019017533A1
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WO
WIPO (PCT)
Prior art keywords
gas distribution
distribution plate
regeneration
vocs
adsorption reactor
Prior art date
Application number
PCT/KR2017/013281
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English (en)
Korean (ko)
Inventor
윤성진
민준석
김정연
박상준
한영규
최재영
조남웅
문상길
Original Assignee
주식회사 에코프로
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020170105033A external-priority patent/KR102406023B1/ko
Application filed by 주식회사 에코프로 filed Critical 주식회사 에코프로
Priority to EP17918554.1A priority Critical patent/EP3656455A4/fr
Priority to JP2019500636A priority patent/JP6808012B2/ja
Priority to CN201780043457.2A priority patent/CN109548400B/zh
Publication of WO2019017533A1 publication Critical patent/WO2019017533A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/96—Regeneration, reactivation or recycling of reactants
    • 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

Definitions

  • the present invention relates to a VOCs removal system using a gas distribution plate. More particularly, the present invention relates to a system for removing VOCs using a gas distribution plate that maximizes microwave efficiency and effectively treats a large amount of VOCs gas by simultaneously using a rotatable gas distribution plate and a microwave module during desorption of adsorbed VOCs will be.
  • VOCs Volatile organic compounds
  • VOCs Volatile organic compounds
  • VOCs volatile organic compounds
  • Patent Literature 1 relates to a VOCs degassing system, and proposes a method of directly injecting a microwave into a honeycomb-type VOCs adsorption rotor so as to regenerate an adsorption rotor.
  • it is difficult to block the microwave leakage and the microwave efficiency is lowered, the operation stability is worried, and there is a limitation in the capacity that can be processed by one adsorption rotor, which makes it difficult to utilize in a large workplace such as a shipyard painting factory .
  • the operating cost is continuously increased due to continuous driving of the adsorption rotor, and the regeneration air is partially dispersed before reaching the regeneration area.
  • One aspect of the present invention is to propose a VOCs removal system that can maximize microwave efficiency, simplify facilities, reduce operating costs, and effectively treat large amounts of VOCs gas.
  • an aspect of the present invention is to provide a cylindrical adsorption reactor in a fixed state including an adsorption region in which VOCs are adsorbed and a regeneration region in which adsorbed VOCs are desorbed in the adsorption region; A plurality of microwave modules disposed at regular intervals along the circumference of the cylindrical adsorption reactor; A rotatable upper gas distribution plate having a supply pipe for supplying regeneration air to the regeneration zone and disposed above the cylindrical adsorption reactor; And a rotatable lower gas distribution plate disposed below the cylindrical adsorption reactor and having a discharge tube for discharging reclaimed air containing VOCs desorbed from the regeneration zone, wherein the upper gas distribution plate and the lower gas distribution plate The regeneration air is supplied to the regeneration area while the supply tube and the discharge tube are located at the upper and lower parts of the regeneration area while the plate is rotating, and at the same time, the microwave module arranged on the side of the regeneration area is switched to the regeneration area, wherein the
  • the present invention it is possible to simplify the equipment and to reduce the operation cost by providing the gas distribution plate having a relatively light weight in comparison with the adsorption reactor and the microwave module, and it is easy to control the adsorption and desorption time, It is possible to provide a system for removing VOCs that can effectively treat a large amount of VOCs gas because it is possible to carry out an adsorption and desorption process in the absorption process, thereby saving energy and facility space, maximizing the microwave efficiency and improving the regeneration efficiency.
  • FIG. 1 is a partial cross-sectional view of a system for removing VOCs according to an embodiment of the present invention, in which the outer periphery of a cylindrical adsorption reactor is arranged to surround a microwave module.
  • FIG. 2 is a conceptual diagram of an upper and a lower gas distribution plate installed in a case where one regeneration region of the VOCs removal system according to an embodiment of the present invention is one.
  • FIG. 3 is a conceptual diagram of an upper and a lower gas distribution plate installed in a case where there are two regeneration zones of a VOCs removal system according to an embodiment of the present invention.
  • FIG. 4 is a conceptual diagram illustrating a structure in which the upper and lower gas distribution plates are provided in a cylindrical adsorption reactor in the case where one regeneration region of the VOCs removal system according to an embodiment of the present invention is used.
  • FIG. 5 is a conceptual diagram of a configuration in which upper and lower gas distribution plates are provided in a cylindrical adsorption reactor in the case where there are two regeneration zones of a VOCs removal system according to an embodiment of the present invention.
  • FIG. 6 is a cross-sectional view of a VOCs removal system in accordance with an embodiment of the present invention.
  • FIG. 7 is a conceptual diagram of a configuration in which a system for removing VOCs and peripheral equipment according to an embodiment of the present invention are integrated.
  • FIG. 8 is a view of a microwave module having a slotted waveguide installed in a divided region of a cylindrical reactor according to an embodiment of the present invention.
  • the present invention relates to a VOCs removal system, comprising: a fixed-bed cylindrical adsorption reactor (110); A plurality of microwave modules 120 disposed at regular intervals along the circumference of the cylindrical adsorption reactor 110; And rotatable gas distribution plates 130a, 130a ', 130b, and 130b' disposed above and below the cylindrical adsorption reactor 110, respectively.
  • the cylindrical adsorption reactor 110 is filled with an adsorbent 111 such as activated carbon or zeolite to adsorb the VOCs in the gas.
  • the inside of the cylindrical adsorption reactor 110 is filled with the adsorbent 111, and the region is radially divided with respect to the central axis.
  • the divided region includes an adsorption region in which VOCs in the VOC-containing gas supplied from the outside are adsorbed, And a regeneration zone for desorbing the VOCs adsorbed in the adsorption zone through the high temperature regeneration air.
  • it may further comprise a cooling region in which cooling is selectively performed after the VOCs are desorbed.
  • the plurality of microwave modules 120 are arranged at regular intervals along the circumference of the cylindrical adsorption reactor 110.
  • the microwave module 120 may be disposed on each side of the radially divided region of the cylindrical adsorption reactor 110.
  • the plurality of microwave modules 120 may be formed in the form of wrapping a side surface of the cylindrical adsorption reactor 110 or a part of a case 140 surrounding the side of the cylindrical adsorption reactor 110 have.
  • the microwave module 120 or the case 140 including the microwave module 120 can prevent the microwave from leaking from the side of the cylindrical adsorption reactor 110.
  • the microwave module 120 turns on the power when the arranged area is reproduced, heats the microwave to irradiate the reproducing area, and when the reproduction is completed, the power is turned off and the operation is stopped.
  • the side surface of the cylindrical adsorption reactor 110 may be composed of a mica plate 112 so that microwaves can pass therethrough.
  • the microwave module may employ a method of irradiating a microwave to a reproducing region through a waveguide. At this time, a state in which the waveguide is not divided, that is, a passage through which the microwave is irradiated can be made as one.
  • the microwave module 120 may include a plurality of slotted waveguides 170 to uniformly divide a passage through which the microwaves pass, thereby irradiating the regeneration area relatively uniformly. That is, each of the plurality of microwave modules has a waveguide 170 including a plurality of slots along a side periphery of the radially divided region 110 of the cylindrical adsorption reactor, May be uniformly irradiated.
  • FIG. 8 shows a microwave module 120 'having a slot waveguide 170 installed around a divided one side region of the cylindrical reactor 110. 8, the microwave may be irradiated at one side of the waveguide, or the microwave may be irradiated at the center of the waveguide.
  • the rotatable gas distribution plate is arranged on the upper and lower portions of the cylindrical adsorption reactor 110, respectively.
  • the upper gas distribution plates 130a and 130a 'disposed on the upper portion of the cylindrical adsorption reactor 110 are provided with supply pipes 133a and 133a' for supplying regeneration air to the regeneration region of the cylindrical adsorption reactor 110 .
  • the regeneration air is supplied to the supply pipes 133a and 133a 'through the regeneration air inlets 132a and 132a'.
  • the lower gas distribution plates 130b and 130b 'disposed at the lower portion of the cylindrical adsorption reactor 110 are connected to a discharge tube 133b for discharging the regeneration air containing VOCs desorbed from the regeneration region of the cylindrical adsorption reactor 110 And 133b '.
  • the regeneration air outlets 132b and 132b ' may be connected to the discharge tubes 133b and 133b'.
  • the supply pipes 133a and 133a 'of the upper gas distribution plates 130a and 130a' and the discharge pipes 133b and 133b 'of the lower gas distribution plates 130b and 130b' Is located in the projected portion of the regeneration region of the cylindrical adsorption reactor 110 just above or below the regeneration zone.
  • the regions where the regeneration region of the cylindrical adsorption reactor 110 is projected onto the upper gas distribution plates 130a and 130a ' are referred to as upper regeneration regions 131a and 131a', and the lower gas distribution plates 130b and 130b ' Is referred to as a lower reproduction area 131b or 131b '.
  • the upper gas distribution plates 130a and 130a 'and the lower gas distribution plates 130b and 130b' have the same rotation period at the upper and lower portions of the cylindrical adsorption reactor 110 and are configured to periodically rotate in the same direction do.
  • the upper and lower gas distribution plates 130a and 130a 'and the lower gas distribution plates 130b and 130b are rotated so that the upper and lower regeneration zones 131a and 131b and the lower regeneration zone 131b and 131b' While the supply pipes 133a and 133a 'and the discharge pipes 133b and 133b' are located on the upper and lower sides of the regeneration area of the reactor 110,
  • the regeneration air is supplied to the upper part of the regeneration zone of the cylindrical adsorption reactor 110 through the adsorption units 133a and 133a '.
  • the microwave module 120 disposed on the side of the regeneration area is switched from the operation stop state to the operating state to heat the regeneration area.
  • the adsorbed VOCs components are desorbed.
  • the regeneration air containing the desorbed VOCs is discharged through the discharge pipes 133b and 133b 'disposed at the lower part of the regeneration area.
  • the rotation period and the playback time can be adjusted by presetting them through a timer or a program. That is, the rotation period of the upper and lower gas distribution plates 130a, 130a ', 130b, and 130b', the rotation stop time during reproduction, and the operation time of the microwave module 120 can be preset through a timer or a program have. This makes it easy to control the adsorption and desorption time.
  • the area to be reproduced at the same time may be one divided reproduction area or a plurality of reproduction areas radially arranged at regular intervals.
  • FIGS. 2 and 4 show a case in which there is one regeneration zone
  • FIGS. 3 and 5 show a conceptual diagram in which upper and lower gas distribution plates are combined with a cylindrical reactor when there are two regeneration zones.
  • the number of the discharge pipes 133b and 133b 'in the radial direction may be one or plural radially arranged at regular intervals.
  • the plurality of supply pipes 133a and 133a 'and the discharge pipes 133b and 133b' are radially arranged at regular intervals about the rotation axis of the upper and lower gas distribution plates 130a, 130a ', 130b and 130b' do.
  • the adsorption zone can also consist of several zones at the same time. In this way, the adsorption and desorption process can be carried out in various areas at the same time, thus saving energy and facility space.
  • the VOCs removal system of the present invention includes an additional case (not shown) surrounding the upper gas distribution plate 130a, 130a 'and the lower gas distribution plate 130b, 130b' and the microwave module 120 150, and may further include a compressed air inlet 160 provided in the additional case 150.
  • the degree of contact between the upper gas distribution plates 130a and 130a 'and the lower gas distribution plates 130b and 130b' and the cylindrical adsorption reactor 110 is increased by injecting or discharging compressed air through the compressed air inlet 160 Can be adjusted.
  • the upper gas distribution plates 130a and 130a 'and the lower gas distribution plates 130b and 130b' are in close contact with the adsorption reactor 110.
  • 130b ' may be configured to be away from the cylindrical adsorption reactor 110.
  • Sectional area of the upper gas distribution plates 130a and 130a 'and the lower gas distribution plates 130b and 130b' may be set to be equal to the cross-sectional area of the cylindrical adsorption reactor 110 in order to enhance the effect.
  • FIG. 7 is a conceptual diagram of a configuration in which a cylindrical adsorption reactor 110 of the present invention, a catalyst system, and a heat exchanger are integrated.
  • VOC-containing gas is supplied to the adsorption region from the outside, and VOCs in the VOC-containing gas are adsorbed. Fresh air with adsorbed VOCs is discharged to the outside air.
  • the regeneration air containing VOCs discharged from the regeneration zone is oxidatively decomposed into carbon dioxide and water by the VOCs desorbed in the regeneration zone through the catalytic reactor. That is, in the catalytic reactor, VOCs are oxidized to carbon dioxide (CO 2 ) and water (H 2 O) under a warming condition of about 200 to 350 ° C., and a Pd catalyst, a Pt catalyst, a Ru catalyst, Can be used.
  • the catalytic reactor of the present invention may further include a separate microwave module to utilize it as a heat source.
  • the hot gas containing VOCs desorbed into the reactor body flows into the reactor body, absorbs microwaves, and is used as a heat source to accelerate the decomposition of VOCs to be removed and treated.
  • the hot air containing CO 2 / H 2 O that has passed through the catalytic reactor can be recycled as energy for the desorption reaction of the regeneration zone, and the waste heat is heat-exchanged in the heat exchanger and supplied to the regeneration air.
  • the VOCs are desorbed from the cooling zone, and the adsorption reactor having a surface temperature increased by microwaves is cooled.
  • cooling air is supplied to the cooling zone, .
  • the injected cooling air is converted into hot air of about 50 to 100 DEG C while passing through the cooling region, and the hot air passing through the cooling region, similar to the hot air containing CO 2 / H 2 O passing through the catalytic reactor,
  • the waste heat can also be heat-exchanged in the heat exchanger and supplied to the regeneration air to be recycled as energy for the desorption reaction of the regeneration zone.
  • the cooled air and CO 2 / H 2 O pass through the heat exchanger and are discharged to the outside air.
  • the adsorption reactor and the microwave module which occupy a large volume and weight in the VOCs removal system, are fixed and a relatively lightweight gas distribution plate is provided in a rotary manner, And the adsorption and desorption time can be easily controlled. At the same time, the adsorption and desorption process can be performed in various regions, and the effect of several adsorption reactors can be seen with one adsorption reactor.
  • microwave leakage can be prevented on the side of the adsorption reactor since the structured microwave module is attached and fixed to the adsorption reactor, and furthermore, while the microwave is irradiated on the upper and lower gas distribution plates 130b and 130b ' It is possible to maximize the microwave efficiency by blocking the microwave leakage even in the upper region below the adsorption reactor and to prevent the regeneration gas from being dispersed in the adjacent adsorption region or the cooling region, thereby improving the regeneration efficiency.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Treating Waste Gases (AREA)
  • Separation Of Gases By Adsorption (AREA)

Abstract

L'invention concerne un système d'élimination de COV utilisant une plaque de distribution de gaz comprenant : un réacteur d'adsorption cylindrique dans un état fixe comprenant une région d'adsorption dans laquelle des COV sont adsorbés et une région de recyclage dans laquelle les COV adsorbés dans la région d'adsorption sont désorbés; une pluralité de modules micro-ondes disposés à intervalles réguliers le long de la périphérie du réacteur d'adsorption cylindrique; une plaque de distribution de gaz supérieure rotative ayant un tuyau d'alimentation pour l'alimentation de l'air recyclé à la région de recyclage et disposée dans la partie supérieure du réacteur d'adsorption cylindrique; et une plaque de distribution de gaz inférieure rotative disposée dans la partie inférieure du réacteur d'adsorption cylindrique et ayant un tuyau d'évacuation pour évacuer l'air recyclé contenant les COV désorbés de la région de recyclage, l'air recyclé étant fourni à la région de recyclage tandis que le tuyau d'alimentation et le tuyau d'évacuation sont situés au niveau des parties supérieure et inférieure de la zone de recyclage pendant la rotation de la plaque de distribution de gaz supérieure et de la plaque de distribution de gaz inférieure, et en même temps, un module micro-ondes disposé sur un côté de la région de recyclage est allumé de manière à chauffer la région de recyclage.
PCT/KR2017/013281 2017-07-21 2017-11-21 Système d'élimination de cov utilisant une plaque de distribution de gaz WO2019017533A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP17918554.1A EP3656455A4 (fr) 2017-07-21 2017-11-21 Système d'élimination de cov utilisant une plaque de distribution de gaz
JP2019500636A JP6808012B2 (ja) 2017-07-21 2017-11-21 ガス分配板を用いたＶＯＣｓ除去システム
CN201780043457.2A CN109548400B (zh) 2017-07-21 2017-11-21 利用气体分配板的vocs去除系统

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2017-0092815 2017-07-21
KR20170092815 2017-07-21
KR10-2017-0105033 2017-08-18
KR1020170105033A KR102406023B1 (ko) 2017-07-21 2017-08-18 가스 분배판을 이용한 VOCs 제거 시스템

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WO2019017533A1 true WO2019017533A1 (fr) 2019-01-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113244771A (zh) * 2021-03-31 2021-08-13 大连亚泰科技新材料股份有限公司 一种杀菌灭活空气净化剂的再生装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011253653A (ja) * 2010-05-31 2011-12-15 Daikin Ind Ltd マイクロ波加熱装置、導波管を複数用いたマイクロ波加熱装置および吸着再生装置
KR101132597B1 (ko) * 2010-03-19 2012-04-06 주식회사 엠투 열분해 여과장치
US8187368B2 (en) * 2009-01-12 2012-05-29 Industrial Technology Research Institute Low power consuming desorption apparatus and dehumidifier using the same
KR101323108B1 (ko) 2013-03-18 2013-10-30 주식회사 에코프로 수평방향으로의 마이크로웨이브 조사에 의한 허니컴 로터식 VOCs가스 제거 시스템
KR20160136988A (ko) * 2015-05-22 2016-11-30 주식회사 에코프로 마이크로웨이브를 이용한 VOCs 제거 시스템
KR20160137699A (ko) * 2015-05-20 2016-12-01 주식회사 라이트브릿지 회전 재생방식의 탈취 시스템

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8187368B2 (en) * 2009-01-12 2012-05-29 Industrial Technology Research Institute Low power consuming desorption apparatus and dehumidifier using the same
KR101132597B1 (ko) * 2010-03-19 2012-04-06 주식회사 엠투 열분해 여과장치
JP2011253653A (ja) * 2010-05-31 2011-12-15 Daikin Ind Ltd マイクロ波加熱装置、導波管を複数用いたマイクロ波加熱装置および吸着再生装置
KR101323108B1 (ko) 2013-03-18 2013-10-30 주식회사 에코프로 수평방향으로의 마이크로웨이브 조사에 의한 허니컴 로터식 VOCs가스 제거 시스템
KR20160137699A (ko) * 2015-05-20 2016-12-01 주식회사 라이트브릿지 회전 재생방식의 탈취 시스템
KR20160136988A (ko) * 2015-05-22 2016-11-30 주식회사 에코프로 마이크로웨이브를 이용한 VOCs 제거 시스템

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3656455A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113244771A (zh) * 2021-03-31 2021-08-13 大连亚泰科技新材料股份有限公司 一种杀菌灭活空气净化剂的再生装置

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