KR980003442A - Volatile Organic Vapor Recovery System - Google Patents

Volatile Organic Vapor Recovery System Download PDF

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Publication number
KR980003442A
KR980003442A KR1019970077624A KR19970077624A KR980003442A KR 980003442 A KR980003442 A KR 980003442A KR 1019970077624 A KR1019970077624 A KR 1019970077624A KR 19970077624 A KR19970077624 A KR 19970077624A KR 980003442 A KR980003442 A KR 980003442A
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South Korea
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volatile organic
nitrogen gas
recovery system
organic vapor
flow rate
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KR1019970077624A
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Korean (ko)
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KR100228536B1 (en
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송석목
윤명조
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윤명조
사단법인 한국환경기술연구소
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Treating Waste Gases (AREA)
  • Separation Of Gases By Adsorption (AREA)

Abstract

본 발명은 안전하고 경제적인 휘발성 유기물 증기(VOC)회수시스템을 제공한다. 정유공장, 석유화학공장 등의 대형 유류 및 석유화학 제품의 저장소나 각종 유기용제를 취급하는 사업장 등에서 저장중인 휘발성 유기물의 안전한 보관과 대기방출에 의한 자원낭비를 억제할 수 있도록 저장조(T)의 상부 배기구(O)에 연결되어 외기의 유입이 있을 경우 질소가스가 공급되므로써 외기와 휘발성 유기물 증기(VOC)가 직접 접촉되거나 대기로 방출되는 것을 억제하는 관체로 이루어진 안전보호기(10), 이 안전보호기(10)의 하단에 접속되어 저장조(T)의 배기구(O)로부터 방출된 휘발성 유기물 증기를 압축하는 압축기(20), 압축된 휘발성 유기물 증기를 냉각·응축시켜 저장조로 1차 회수하는 응축기(30), 이 응축기(3)에서 미처 응축되지 못한 잔량의 휘발성 유기물 증기를 가압·저온상태에서 흡착하는 흡착기(40)를 포함하여 이루어져 압축기(20)에서 가압하여 응축기(30)에서 냉각·응축함으로써 1차 회수하고, 여기서 미처 회수되지 못한 유기물 가스는 흡착기(40)에서 흡착하여 감압·가온상태에서 탈착공정을 거쳐 다시 1차 회수공정을 반복하여 2차로 회수한다.The present invention provides a safe and economical volatile organic vapor (VOC) recovery system. The upper part of the storage tank (T) for safe storage and storage of volatile organics stored in large oil and petrochemical products such as oil refineries and petrochemical plants, and workplaces that handle various organic solvents. Safety protector (10) made of a tubular body that is connected to the exhaust port (O) to prevent the direct contact of outside air and volatile organic vapors (VOC) to the atmosphere by supplying nitrogen gas when there is an inflow of outside air, this safety protector ( 10 is connected to the lower end of the compressor (20) for compressing the volatile organic vapors discharged from the exhaust port (O) of the reservoir (T), the condenser (30) for cooling and condensing the compressed volatile organic vapors first recovery to the storage tank And the adsorber 40 which absorbs the remaining amount of volatile organic vapor not condensed in the condenser 3 under pressure and low temperature. Pressurized to recover the primary by cooling and condensing in the condenser 30, where the organic gas that has not been recovered is adsorbed by the adsorber 40 and desorbed under reduced pressure and warming, and then the primary recovery is repeated again. Recover.

Description

휘발성 유기물 증기 회수시스템Volatile Organic Vapor Recovery System

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 제1실시예에 의한 회수시스템의 구성도.1 is a block diagram of a recovery system according to a first embodiment of the present invention.

Claims (6)

휘발성 유기용제가 저장된 저장조(T)의 상부 배기구(O)에 연결되어 외기의 유입이 있을 경우 질소가스(N2)가 공급되므로써 외기와 휘발성 유기물 증기가 직접 접촉되거나 대기로 방출되는 것을 억제하는 관형의 안전보호기(10), 이 안전보호기(10)의 하부에 접속되어 저장조(T)의 배기구(O)로부터 방출된 휘발성 유기물 증기를 압축하는 압축기(20), 압축된 휘발성 유기물 증기를 냉각·응축시켜 저장조(T)로 1차 회수하는 응축기(30), 이 응축기(3)에서 미처 응축되지 못한 잔량의 휘발성 유기물 증기를 흡착하는 흡착기(40), 흡착된 휘발성 유기물 증기를 다시 감압·가온하에서 탈착시켜 상기 압축기(20)로 재공급되는 진공펌프(50)를 포함하여 이루어지는 것을 특징으로 하는 휘발성 유기물 증기의 회수시스템.It is connected to the upper exhaust port (O) of the storage tank (T) in which the volatile organic solvent is stored, and when there is an inflow of outside air, nitrogen gas (N 2 ) is supplied so that the outside and the volatile organic vapor are directly contacted or released into the atmosphere Safety protector 10, a compressor 20 connected to the lower portion of the safety protector 10 to compress the volatile organic vapors emitted from the exhaust port O of the storage tank T, and cooling and condensing the compressed volatile organic vapors. The condenser 30, which is first recovered to the storage tank T, the adsorber 40 which adsorbs the remaining amount of volatile organic vapors not condensed by the condenser 3, and desorbs the adsorbed volatile organic vapors under reduced pressure and heating. Volatile organic vapor recovery system characterized in that it comprises a vacuum pump (50) to be supplied to the compressor (20) again. 제1항에 있어서, 상기 안전보호기(10)는, 상부에 배출구(11)가 형성되고 하단에 저장조(T)의 배기구(O)에 접속되는 접속부(12)가 형성되며, 그 내부에는 직경이 작은 목(NECK)으로 연통된 하부공간(16)과 상부공간(17)으로 이루어지고, 하부공간(16)에는 압축기(20)로 연결되는 증기공급구(14)가 형성되며, 상부공간(17)에는 질소가스(N2)가 공급되는 질소가스 공급구(13)와 흡착기(40)를 통과한 질소가 복귀되는 질소가스 복귀구(15)가 형성되는 것을 특징으로 하는 휘발성 유기물 증기의 회수시스템.According to claim 1, wherein the safety protector 10, the discharge port 11 is formed in the upper portion and the connection portion 12 is formed at the lower end connected to the exhaust port (O) of the reservoir (T), the inside of the diameter It consists of a lower space 16 and the upper space 17 communicated with a small neck (NECK), the lower space 16 is formed with a steam supply port 14 connected to the compressor 20, the upper space (17) ), A nitrogen gas supply port 13 through which nitrogen gas (N 2 ) is supplied and a nitrogen gas return port 15 through which the nitrogen passed through the adsorber 40 is returned are formed. . 제2항에 있어서, 상기 하부공간(16)의 하단, 상부공간(17)과 하부공간(16) 사이의 목부위 및 상부공간(17)상단의 배출구(11)측에는 각각 저장조(T)에서 방출되는 휘발성 유기물 증기의 유속을 감지하는 유속감지센서(S1), 증기 회수시스템(S)에서 배출되는 질소가스중 일부가 다시 회수시스템(S)으로 되돌아 가는 것을 감지하는 유속감지센서(S2), 질소가스가 대기로 방출되는 것을 감지하는 유속감지센서(S3)가 각각 설치되어 이 센서에서 감지된 신호에 의하여 질소가스의 공급과 회수시스템의 운전을 제어하도록 구성된 것을 특징으로 하는 휘발성 유기물 증기의 회수시스템.According to claim 2, the lower end of the lower space 16, the neck between the upper space 17 and the lower space 16 and the discharge port 11 side of the upper space 17, the discharge from the reservoir (T), respectively Flow rate detection sensor (S1) for detecting the flow rate of the volatile organic vapors to be vaporized, flow rate detection sensor (S2) for detecting some of the nitrogen gas discharged from the steam recovery system (S) back to the recovery system (S), nitrogen The volatile organic vapor recovery system, characterized in that the flow rate sensor (S3) for detecting the discharge of the gas to the atmosphere is configured to control the operation of the supply and recovery of nitrogen gas in accordance with the signal detected by the sensor . 제2항에 있어서, 상기 질소가스 공급구(13)측에는 최대유량의 10~50%에 해당하는 질소가스 유입을 개폐해주는 솔레노이드 밸브(V1), 최대유량의 50~60%에 해당하는 질소가스 유입을 개폐해주는 솔레노이드 밸브(V2), 최대유량의 100~110%에 해당하는 질소가스 유입을 개폐해주는 솔레노이드 밸브(V3) 및 최대유량의 5~10%에 해당하는 질소가스를 항시 유입시켜주는 오리피스(RO : RESTRICTION ORIFICE)가 병렬로 설치된 것을 특징으로 하는 휘발성 유기물 증기의 회수시스템.According to claim 2, The nitrogen gas supply port 13 side solenoid valve (V1) for opening and closing the inflow of nitrogen gas corresponding to 10 to 50% of the maximum flow rate, nitrogen gas inflow corresponding to 50 to 60% of the maximum flow rate Solenoid valve (V2) to open and close the valve, solenoid valve (V3) to open and close the nitrogen gas inflow of 100 ~ 110% of the maximum flow rate and orifice to always introduce nitrogen gas (5 to 10% of the maximum flow) RO: RESTRICTION ORIFICE) is a volatile organic vapor recovery system characterized in that the parallel installation. 제1항에 있어서, 상기 흡착기(40)는 2개이상의 다수개가 병렬로 설치되어 흡착과 탈착작용을 자동적으로 교체할 수 있도록 응축기(30)를 통과한 휘발성 유기물 증기가 4개의 전환밸브(V4,V5,V6,V7) 및 2개의 질소가스 배출밸브(V8,V9)의 교번개폐동작에 의하여 양측 흡착기(40)중의 한쪽에 공급되어 흡착작용이 진행되면 다른쪽은 휘발성 유기물 증기의 공급이 중단된 상태에서 탈착작용이 이루어지도록 한 것을 특징으로 하는 휘발성 유기물 증기의 회수시스템.According to claim 1, wherein the adsorber 40 is a plurality of two or more are installed in parallel to the volatile organic vapor passing through the condenser 30 so as to automatically replace the adsorption and desorption action four switching valves (V4, V5, V6 and V7) and two nitrogen gas discharge valves V8 and V9 are supplied to one of the two adsorbers 40 by the alternate opening and closing operation, and when the adsorption proceeds, the other side stops the supply of volatile organic vapors. Volatile organic vapor recovery system characterized in that the desorption action is carried out in the state. 제5항에 있어서, 상기 전환밸브(V4,V5,V6,V7)와 질소가스 배출밸브(V8,V9)의 제어는 순환라인(L5)상에 설치된 최종배출기체의 유기물 증기함량을 감지하는 센서(S6)에 의하여 자동적으로 제어되도록 구성된 것을 특징으로 하는 휘발성 유기물 증기의 회수시스템.The method of claim 5, wherein the control of the switching valve (V4, V5, V6, V7) and nitrogen gas discharge valve (V8, V9) is a sensor for detecting the organic vapor content of the final exhaust gas installed on the circulation line (L5) Volatile organic vapor recovery system, characterized in that configured to be automatically controlled by (S6). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019970077624A 1997-12-30 1997-12-30 Volatile organic vapour recovery system KR100228536B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100790696B1 (en) * 2006-04-21 2008-01-02 미쓰비시덴키 가부시키가이샤 Processing and recovery device and method of hydrocarbon gas

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KR100740666B1 (en) 2005-10-12 2007-07-18 한양대학교 산학협력단 Reaction apparatus for manufacturing one-pack elastic chip slurry
KR100759529B1 (en) * 2006-02-23 2007-09-18 이경호 VOC recovering system by using nitrogen gas
KR101153646B1 (en) 2009-03-31 2012-06-18 주식회사 포스코 Evaporation Water Recovery Type Cooling Tower
KR101086198B1 (en) 2009-10-07 2011-11-25 경성대학교 산학협력단 Voc reabsorption apparatus
KR101148070B1 (en) * 2010-06-17 2012-05-24 삼성중공업 주식회사 Method for recovering VOC, VOC recovery system and Ship including the same
KR102150215B1 (en) * 2019-12-05 2020-09-01 주식회사 에스알디글로벌 System for removing vaporized material discharged from outdoor container of chemical

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100790696B1 (en) * 2006-04-21 2008-01-02 미쓰비시덴키 가부시키가이샤 Processing and recovery device and method of hydrocarbon gas

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