KR20050003570A - Apparatus for settling the pressure disparity of the demister of benzol collect tower, and settling method thereof - Google Patents

Apparatus for settling the pressure disparity of the demister of benzol collect tower, and settling method thereof Download PDF

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KR20050003570A
KR20050003570A KR1020030042487A KR20030042487A KR20050003570A KR 20050003570 A KR20050003570 A KR 20050003570A KR 1020030042487 A KR1020030042487 A KR 1020030042487A KR 20030042487 A KR20030042487 A KR 20030042487A KR 20050003570 A KR20050003570 A KR 20050003570A
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benzol
oil
demister
absorption oil
absorption
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KR1020030042487A
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KR100939340B1 (en
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하재복
이광우
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주식회사 포스코
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Industrial Gases (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

PURPOSE: To provide an apparatus which eliminates working load by removing coal tar, naphthalene and dust adhered to ceramic rings in demister while collecting benzol during normal operation of a benzol collecting tower, thereby shortening removal time and contributes to increase of a recovery amount of benzol by collecting benzol even during removal time of coal tar, naphthalene and dust. CONSTITUTION: In an apparatus for settling pressure disparity between a demister(210) and a benzol collecting tower(200) for removing benzol contained in coke oven gas, the apparatus comprises a gas-liquid separation plate(220) installed under the demister in a benzol collecting tower(200); an absorption oil discharge pipe(13) which is penetratingly installed at one side of the benzol collecting tower, on which an absorption oil discharge valve(12) is installed, and which is connected to a benzol-containing oil tank(300); a second direct supply pipe(22) which directly supplies an absorption oil to an upper part of the benzol collecting tower, on which a first absorption oil flow control valve(20) signally connected to the absorption oil discharge valve is installed, which is connected to the first recycled absorption oil direct supply pipe, and on which a thermometer(30a) and a flow meter(20a) are installed, wherein the absorption oil is obtained by heat exchanging the recycled absorption oil through benzol-containing oil heat exchangers(400-404) after receiving recycled absorption oil from a recycled absorption oil supply pipe(601b) for recycling and supplying the benzol-coning oil discharged from the benzol collecting tower; a first recycled absorption oil direct supply pipe(31) connected to the recycled absorption oil supply pipe and extended upward such that an absorption oil temperature control valve(30) signally connected to the thermometer is installed on the first recycled absorption oil direct supply pipe; and a differential pressure gauge(15) for controlling the first absorption oil flow control valve by sensing a pressure difference between manometers(11,10) installed on upper and lower parts of the benzol collecting tower.

Description

코크스오븐가스 포집설비의 벤졸 포집탑 데미스터 차압 해소장치{APPARATUS FOR SETTLING THE PRESSURE DISPARITY OF THE DEMISTER OF BENZOL COLLECT TOWER, AND SETTLING METHOD THEREOF}PARPARS FOR SETTLING THE PRESSURE DISPARITY OF THE DEMISTER OF BENZOL COLLECT TOWER, AND SETTLING METHOD THEREOF}

본 발명은 코크스오븐가스 포집설비의 벤졸 포집탑 데미스터 차압 해소장치에 관한 것으로서, 보다 상세하게는 코크스를 제조하는 과정에서 발생되는 부생가스인 코크오븐가스 중의 불순물인 벤졸(벤젠, 톨루엔, 키실렌-이하, ‘벤졸’이라 한다.)을 포집하는 설비인 벤졸 포집탑의 상부측에 설치된 데미스터(코크오븐가스중에 불순물로 포함되어 있는 콜타르, 나프탈렌, 더스트 등의 불순물을 제거하는 장치-세라믹 링으로 충진되어 있음)의 충진물인 세라믹 링에 부착된 콜타르, 나프탈렌, 더스트 등을 제거하는 코크스오븐가스 포집설비의 벤졸 포집탑 데미스터 차압 해소장치에 관한 것이다.The present invention relates to a benzol capture tower demister differential pressure quenching device of the coke-oven gas collection system, and more particularly, to benzol (benzene, toluene, xylene), which is an impurity in coke-oven gas, a by-product gas generated in the process of producing coke. -The device that removes impurities such as coal tar, naphthalene, dust, etc., which is installed as an impurity in the upper side of the benzol collection tower, a facility for collecting benzol. It is related with the sol sol collecting tower demister differential pressure relief device of the coke oven gas collecting facility for removing coal tar, naphthalene, dust, etc. attached to the ceramic ring, which is a filler.

일반적으로, 코크스로에서 석탄을 건류하여 코크스를 제조하는 과정에서 지속적으로 발생되는 부생가스인 코크스오븐가스(Cokes Oven Gas; COG)중의 불순물인 벤졸은 벤졸 포집탑에서 흡수유에 의해 흡수되어 포집된 후 벤졸증류탑에서 스팀에 의해서 증류되어져 순수벤젠으로 회수되어지는데 이하, 도면을 보면서 설명한다.In general, benzol, an impurity in cokes oven gas (COG), a byproduct gas that is continuously generated in the process of producing coke by distilling coal in coke oven, is absorbed by an absorbent oil in a benzol collection tower and then collected. It is distilled by steam in a benzene distillation column and recovered as pure benzene. Hereinafter, it demonstrates, referring drawings.

도 1에 도시된 바와 같이, 코크스오븐가스 중에는 불순물로서 벤졸이 약 20~30g/m3 정도 포함되어 있으며, 이 벤졸을 함유한 COG가 COG 배관(202)과 COG 유입밸브(202a)를 통해 벤졸 포집탑(200) 하부로부터 유입되어 상부로 빠져 나가는 동안 최상부에 설치된 상부에 설치된 데미스터(210)를 통과하여 COG배출밸브(203a)와 배출배관(203)을 통해 최종적으로 가스홀더로 보내진다.As shown in FIG. 1, the coke oven gas contains about 20-30 g / m3 of benzol as an impurity, and COG containing benzol is collected through the COG pipe 202 and the COG inlet valve 202a. While entering from the bottom of the tower 200 and exiting to the upper portion, it passes through the demister 210 installed at the uppermost portion and is finally sent to the gas holder through the COG discharge valve 203a and the discharge pipe 203.

이러한 과정이 진행되는 동안 COG 중의 벤졸을 포집하기위한 흡수유는 흡수유 탱크(100)로부터 흡수유 공급펌프(101)와 흡수유 배관(101a,101b)을 통해 최종적으로 흡수유 공급밸브(101c,101d)를 거쳐 벤졸 포집탑(200) 상부에서 분사되어 하부로부터 올라오는 COG와 직접접촉에 의하여 COG 중에 있는 벤졸을 포집하여 하부에 떨어지게 되는 것이며,During this process, the absorbent oil for collecting the benzol in the COG is finally absorbed from the absorbent oil tank 100 through the absorbent oil supply pump 101 and the absorbent oil pipes 101a and 101b. It is sprayed from the top of the benzol collecting tower 200 through 101d) to collect the benzol in the COG by direct contact with the COG coming from the bottom, and fall to the bottom,

이러한 흡수유는 함벤유(벤졸을 함유하고 있다는 의미의 단어)가 되어 함벤유 유입펌프(201)와 유입배관(201a,201b)에 의해서 함벤유 탱크(300)에 보내지게 된다.The absorbent oil becomes Benben oil (a word meaning that it contains benzol) and is sent to the Benben oil tank 300 by the Benben oil inflow pump 201 and the inlet pipes 201a and 201b.

이 함벤유(25~30℃)는 함벤유 탱크(300)에서 함벤유 배출펌프(301)와 배출배관(301a, 301b)을 통해 5대의 함벤유 열교환기(400~404)를 차례로 통과하면서 높은 온도의 흡수유와 열교환되어서 1차로 140~150℃로 승온된 후 가열로(500)를 거쳐 180℃로 승온되어 가열로 배관(501)을 통해 벤졸 증류탑(600) 상부로 장입되면, 하부에서 장입되는 고압스팀(603) 에 의한 증류에 의하여 함벤유 중의 벤졸은 증류되어 증기 상태로 증기배출관(602)을 통해 배출되어 냉과정을 거쳐 액체벤졸로 회수되고 벤졸을 증류하고 난 후의 재생흡수유(온도는 170℃정도로 매우 고온임)는 하부로 내려와 재생흡수유 공급펌프(601)와 공급배관(601a,601b)에 의해서 흡수유와 함벤유 열교환기(400~404)로 보내어져 함벤유탱크(300)로부터 함벤유 공급펌프(301)로부터 오는 함벤유와 열교환되어 자신은 약 60~70℃로 낮아지고 함벤유는 140~150℃로 온도가 높아지게 된다.The Benben oil (25 ~ 30 ℃) is high while passing through the Benben oil discharge pump 301 and the discharge pipes (301a, 301b) in the Benben oil tank 300 in order to pass through five Benben oil heat exchangers (400 ~ 404) Heat-exchanged with the absorbent oil of the temperature is first elevated to 140 ~ 150 ℃ and then heated to 180 ℃ through the heating furnace 500 is charged to the top of the benzol distillation column 600 through the heating pipe 501, charged from the bottom By the distillation by the high pressure steam 603, benzol in the benzyl oil is distilled and discharged through the steam discharge pipe 602 in a vapor state, recovered as a liquid benzol through a cold process, and regenerated absorption oil after distilling the benzol (temperature Is very high (about 170 ° C.) is lowered to the lower portion and is sent to the absorbent oil and the benton oil heat exchanger (400 to 404) by the regenerated absorption oil supply pump (601) and the supply pipes (601a and 601b). Heat exchanged with the oil from the ben oil supply pump (301) from The temperature is lowered to ℃ and the Benben oil is raised to 140 ~ 150 ℃.

그런데, 이 재생흡수유는 벤졸 포집탑(200)에서 벤졸 포집용으로 사용하기 위해서는 25~30℃가 적당하므로 온도를 더욱더 낮추어야 한다.By the way, this regeneration and absorption oil is 25 ~ 30 ℃ suitable for use in the benzol capture tower in the benzol capture tower 200 should be further lowered the temperature.

그래서 재생흡수유는 다시 흡수유 열교환기(700~704)를 차례로 통과 하면서 역방향으로 흐르는 냉각수와 열교환하여 온도가 상당히 낮아져 배출배관(705)을 통해서 흡수유 탱크(100)에 유입되며, 이 재생되어 온도가 낮아진 흡수유는 다시 벤졸 포집탑(200)에 보내져 COG 중의 벤졸을 포집하게 된다.Thus, the regenerated absorbent oil exchanges heat with the coolant flowing in the reverse direction while passing through the absorbent oil heat exchanger 700 to 704 in order to reduce the temperature and flows into the absorbent oil tank 100 through the discharge pipe 705. The absorbed oil having a lower temperature is sent to the benzol collection tower 200 again to collect benzol in the COG.

한편, 벤졸 포집탑(200)에 유입되는 COG 중에는 불순물로서 콜타르 미스트, 나프탈렌, 더스트 등이 포함되어 있는데, COG가 데미스터(210)의 하부로부터 상부로 통과하여 빠져나가는 동안 콜타르 미스트, 나프탈렌, 더스트 등이 세라믹링에 부착되어 제거되고, 정제된 COG는 배출배관(203)을 통해 최종적으로 가스홀더로 보내져 제철소 열원으로 사용된다.On the other hand, COG flowing into the benzol collection tower 200 includes coal tar mist, naphthalene, dust, etc. as impurities, while coal tar mist, naphthalene, dust while COG passes through from the bottom of the demister 210 to the top. The back is attached to the ceramic ring and removed, and the purified COG is finally sent to the gas holder through the discharge pipe 203 to be used as a steelworks heat source.

그런데 상기 데미스터(210)에 충진된 세라믹링은 2미터 높이로 충진되어 있어 장시간 운전하다보면 콜타르 미스트, 나프탈렌, 더스트 등의 부착양이 서서히 증가하기 시작하여 결국 COG의 유로를 폐쇄시키는 결과를 초래하게 된다.However, the ceramic ring filled in the demister 210 is filled to a height of 2 meters, and when it is operated for a long time, the adhesion amount of coal tar mist, naphthalene, dust, etc. starts to gradually increase, eventually closing the flow path of COG. Done.

이것을 방지하기 위하여 벤졸 포집탑(200)의 입구(202)와 출구 COG 배출배관(203)에는 각각 COG 압력계(10,11)가 설치되어 있어 이 압력계들로부터 측정된 압력차이를 측정함으로써 데미스터(210)가 어느 정도 폐쇄 되고 있는지 여부를 확인할 수 있게 된다.In order to prevent this, COG pressure gauges 10 and 11 are installed at the inlet 202 and the outlet COG discharge pipe 203 of the benzol collection tower 200, respectively, to measure the pressure difference measured from these pressure gauges. It is possible to check whether or not 210 is closed.

실제 벤졸 포집탑 정상운전시에는 입구와 출구 COG의 압력 차이가 COG 유량이 84,000Nm3/hr일 때, 120mmH2O 이하이면 정상적인 압력 차이로서 데미스터(210)가 폐쇄되지 않음을 나타내고, 120mmH2O 이상이면 데미스터(210)의 폐쇄가 진행되고 있음을 나타내게 되는데, 압력차이가 200mmH2O가 되면 데미스터(210)가 상당히 폐쇄되었음을 나타낸다.In the normal operation of the benzol collection tower, when the pressure difference between the inlet and the outlet COG is less than 120 mmH2O when the COG flow rate is 84,000 Nm3 / hr, it indicates that the demister 210 is not closed as a normal pressure difference. It is shown that the closing of 210 is in progress, and when the pressure difference is 200 mmH 2 O, the demister 210 is considerably closed.

데미스터(210)는, 도 2에 도시된 바와 같이, 세라믹링을 2미터 정도의 높이로 충진되어 있는 구조로 이루어지는데, COG의 포집시간이 길어지면 콜타르, 나프탈렌, 더스트 등으로 폐쇄되게 된다.As shown in FIG. 2, the demister 210 has a structure in which a ceramic ring is filled to a height of about 2 meters, and when the COG capture time is long, it is closed by coal tar, naphthalene, dust, or the like.

이렇게 되어 폐쇄량의 증가로 압력차이가 점차 증가하게 되면 COG의 유로가 차단되어 흐름을 방해하게 되어 정상조업이 되기 때문에 이를 방지하기 위하여 벤졸 포집탑(200)의 입측 COG의 압력차이가 200mmH2O가 되면 다음과 같은 방법으로 데미스터(210)의 충진물인 세라믹링에 부착된 콜타르, 나프탈렌, 더스트 등을 제거하여 왔다.In this way, if the pressure difference gradually increases due to the increase in the closing amount, the flow path of the COG is interrupted and the flow is interrupted to normal operation. Therefore, in order to prevent this, the pressure difference of the inlet COG of the benzol collection tower 200 becomes 200 mmH 2 O. Coal tar, naphthalene, dust, etc. attached to the ceramic ring, which is a filler of the demister 210, have been removed in the following manner.

도 1에 도시된 바와 같이, 벤졸포집탑 데미스터(210)의 충진물인 세라믹 링에 부착된 콜타르, 나프탈렌, 더스트 등을 제거하기 위한 방법으로는 흡수유의 온도를 70℃ 정도 올려서 콜타르, 나프탈렌, 더스트 등을 제거하는 방법이 사용되는데, 평소 정상조업을 하는 경우에는 흡수유 탱크(100) 내부의 흡수유 온도는 25~30℃로서 매우 낮다.As shown in FIG. 1, as a method for removing coal tar, naphthalene, dust, and the like attached to the ceramic ring, which is a filler of the benzol collecting tower demister 210, the temperature of the absorbent oil is increased to about 70 ° C. to increase coal tar, naphthalene, and dust. A method of removing the back and the like is used, in the case of normal operation, the absorption oil temperature in the absorption oil tank 100 is very low, as 25 ~ 30 ℃.

그러므로 하기 표 1에 나타낸 바와 같이, 이러한 낮은 온도의 흡수유를 이용해서는 많은 시간이 경과하여도 데미스터(210)에 부착된 콜타르, 나프탈렌, 더스트 등을 제거할 수는 없다. (아래표 참조)Therefore, as shown in Table 1 below, using such low temperature absorbent oil may not remove coal tar, naphthalene, dust, etc. attached to the demister 210 even after a long time. (See table below)

그러기 때문에 흡수유의 온도를 올리기 위해서 냉각수 열교환기 (700~704)의 흡수유측 바이패스 밸브 5개(700a,701a,702a,703a,704a) 모두를 열어(700 입구측의 흡수유 온도는 60~70℃ 정도 됨) 온도를 70℃ 정도로 올리게 되면 흡수유 탱크(100) 내부의 흡수유 온도가 서서히 증가하게 된다.(70℃ 까지의 도달시간은 약 2시간 정도 소요되게 된다).Therefore, in order to raise the temperature of the absorbent oil, open all of the absorbent oil side bypass valves 700a, 701a, 702a, 703a, and 704a of the cooling water heat exchanger 700 to 704 (the absorbent oil temperature on the 700 inlet side is 60 to 70). When the temperature is raised to about 70 ° C, the absorption oil temperature inside the absorption oil tank 100 is gradually increased. (Attainment time to 70 ° C takes about 2 hours).

다음에서는 데미스터(210)에 부착된 콜타르, 나프탈렌, 더스트의 제거 방법의 순서를 설명한다.Next, a procedure of removing coal tar, naphthalene, and dust attached to the demister 210 will be described.

1. 냉각수 열교환기(700~704)의 흡수유측 바이패스 밸브를 모두(700a,701a,702a,703a,704a) 열어 흡수유온도의 승온을 시작한다.1. Open all of the absorption oil side bypass valves 700a, 701a, 702a, 703a, and 704a of the cooling water heat exchanger 700 to 704 to start the temperature rise of the absorption oil temperature.

2. 벤졸 포집탑(200)의 벤졸포집용 흡수유밸브(100c)를 서서히 잠그면서 데미스터 입구용밸브(101d)를 서서히 열어 흡수유의 일부가 데미스터 상부 유입관(가, 나, 다, 라)으로 유입되도록 조정한다.2. While slowly closing the benzene inlet valve 100c of the benzol collection tower 200, slowly open the demister inlet valve 101d, and a part of the absorbent oil is the upper part of the demister upper inlet pipe (A, B, D, D). Adjust to enter

3. 벤졸 포집탑(200) 의 COG 바이패스 배관(204)의 바이패스 밸브(204a)를 완전히 열고, 입구밸브(202a)를 완전히 잠가 COG가 통입되지 않도록 차단한다.3. Completely open the bypass valve 204a of the COG bypass pipe 204 of the benzol collection tower 200 and completely close the inlet valve 202a to block the COG from entering.

4. 증류탑(600)의 스팀장입밸브(603)를 완전히 잠근다.4. Close the steam charging valve 603 of the distillation column 600 completely.

그리고 데미스터(210)에 부착된 콜타르, 나프탈렌, 더스트의 제거가 완료된후에는 다음과 같은 방법으로 종료한다.And after the removal of coal tar, naphthalene, dust attached to the demister 210 is terminated in the following manner.

1. 냉각수 열교환기(700~704)의 흡수유측 바이패스 밸브(700a~704a)를 모두 잠가 흡수유 온도를 하락시킨다.1. Close all the absorption oil side bypass valves 700a to 704a of the cooling water heat exchanger 700 to 704 to lower the absorption oil temperature.

2. 벤졸 포집탑(200)의 벤졸 포집용 흡수유밸브(100c)를 열고 데미스터 입구용밸브(101d)를 잠가 흡수유가 데미스터 상부유입관(가,나,다,라)으로 유입되지 않도록 조정한다.2. Open the benzol absorption valve 100c of the benzol collection tower 200 and close the demister inlet valve 101d so that the absorbent oil does not flow into the demister upper inlet pipe (A, B, D). Adjust

3. 벤졸 포집탑(200)의 COG 입구밸브(202a)를 완전히 열고, 바이패스밸브(204a)를 완전히 잠가 COG가 정상적으로 통입되도록 한다.3. Completely open the COG inlet valve 202a of the benzol collection tower 200 and completely close the bypass valve 204a to allow COG to flow in normally.

4. 증류탑(600)의 스팀장입밸브(603)를 완전히 연다.4. Open the steam charging valve 603 of the distillation column 600 completely.

상기와 같은 방법으로 데미스터에 부착된 콜타르, 나프탈렌, 더스트 등을 제거하는 과정에서 다음과 같은 문제점이 발생한다.The following problems occur in the process of removing coal tar, naphthalene, dust, etc. attached to the demister in the above manner.

첫째, 흡수유 바이패스 밸브(700a~704a)를 조작하는 시간이 1시간 이상으로 과다하게 소요되어 제거시간을 지연시키는 문제점이 있으며,First, there is a problem that the time to operate the absorbent oil bypass valves 700a to 704a is excessively over 1 hour, thus delaying the removal time.

둘째, 흡수유 온도를 70℃까지의 승온시키는데 필요한 시간이 보통 2시간 이상 소요되기 때문에 이 역시 정비시간을 지연시고 있으며,Second, since the time required to raise the temperature of the absorbent oil to 70 ° C usually takes more than 2 hours, this also delays the maintenance time.

셋째, 흡수유 공급밸브(101c, 101d)의 조작 소요시간 및 COG 바이패스밸브(204a) 및 입구밸브(202a) 조작시간이 30분 이상 소요되는 문제점과,Third, the operating time of the absorption oil supply valve (101c, 101d) and the operation time of the COG bypass valve 204a and the inlet valve (202a) takes more than 30 minutes,

넷째, 상기한 각 장치의 동작을 완료하더라도 데미스터(210)에 부착된 콜타르, 나프탈렌, 더스트 등을 제거하는데 5시간 이상이 소요되며,Fourth, even after completing the operation of each device described above takes 5 hours or more to remove coal tar, naphthalene, dust, etc. attached to the demister 210,

여섯째, 상기한 각각의 장치조작 및 제거시간이 대략 8.5시간 정도 소요되기때문에 이 시간동안은 벤졸을 포집하지 못하게 되는 문제점이 있다.Sixth, the operation and removal time of each device described above takes about 8.5 hours, so there is a problem in that it is impossible to capture benzol during this time.

상기와 같은 문제점을 해결하기 위하여, 본 발명은 벤졸 포집탑에 코크스 오븐가스를 정상적으로 유통하여 벤졸 포집탑 정상운전 중에 코크스오븐가스중의 불순물인 벤졸을 포집하면서 데미스터의 세라믹링에 부착된 콜타르, 나프탈렌, 더스트 등을 제거함으로써 제거시간을 단축하여 작업부하를 없애고, 제거시간 중에도 벤졸을 포집하여 벤졸 회수량 증대에 기여하는 코크스오븐가스 포집설비의 벤졸 포집탑 데미스터 차압 해소장치를 제공하는데 그 목적이 있다.In order to solve the above problems, the present invention is a coal tar attached to the ceramic ring of the demister while collecting the benzol, which is impurities in the coke oven gas during normal operation of the benzol collection tower by circulating coke oven gas normally, The purpose of the present invention is to provide a differential pressure relief device for benzole collection tower demister of the coke oven gas collecting system, which removes naphthalene and dust, eliminating the work load by shortening the removal time and collecting benzol even during the removal time, thereby contributing to the increase of benzene recovery. There is this.

도 1은 종래의 벤졸 포집탑 설비 및 벤졸 데미스터 차압해소방법을 설명한 개념도;1 is a conceptual diagram illustrating a conventional benzol collection tower equipment and a benzol demister differential pressure relief method;

도 2는 종래의 벤졸 포집탑 설비의 상부에 설치된 데미스터의 상세도 및 문제 발생도;Figure 2 is a detailed view and problem occurrence of the demister installed on top of the conventional benzol collector tower equipment;

도 3은 본 발명에 따른 코크스오븐가스 포집설비의 벤졸 포집탑 데미스터 차압 해소장치를 도시한 개념도;3 is a conceptual view showing a solsol trap tower decompression pressure release device of the coke oven gas collection system according to the present invention;

도 4는 본 발명에 따른 코크스오븐가스 포집설비의 벤졸 포집탑 데미스터 차압 해소장치를 구성하는 기액분리판을 도시한 평면도 및 측단면도;Figure 4 is a plan view and a side cross-sectional view showing a gas-liquid separator constituting the benzol collecting tower demister differential pressure relief device of the coke oven gas collection system according to the present invention.

♣도면의 주요부분에 대한 부호의 설명♣♣ Explanation of symbols for main part of drawing ♣

12:흡수유배출 조절밸브 13:흡수유 배출관 15:차압계 20a:유량계12: Absorption oil discharge control valve 13: Absorption oil discharge pipe 15: Differential pressure gauge 20a: Flow meter

20:제1흡수유유량 조절밸브 21:제2흡수유유량 조절밸브20: 1st absorption flow rate control valve 21: 2nd absorption flow rate control valve

22,31:흡수유배관 30:흡수유온도 조절밸브 30a:온도계22, 31: Absorption oil piping 30: Absorption oil temperature control valve 30a: Thermometer

100:흡수유탱크 200:벤졸 포집탑 210:데미스터 220:기액 분리판100: absorption tank 200: benzol collection tower 210: demister 220: gas-liquid separator

300:함벤유탱크 400~401:함벤유 열교환기 500:가열로300: Hamben oil tank 400 to 401: Hamben oil heat exchanger 500: Heating furnace

600:벤졸 증류탑 700~704:냉각수 열교환기600: benzol distillation column 700 ~ 704: cooling water heat exchanger

상기한 목적을 달성하기 위하여, 본 발명은 코크스오븐가스 중에 함유된 벤졸을 제거하는 벤졸 포집탑의 데미스터의 차압을 해소하는 장치에 있어서, 상기 데미스터 하부에 설치되는 기액분리판과; 상기 기액분리판이 설치된 벤졸포집탑 일측에 관통 설치되면서 흡수유 배출밸브가 연관 설치되어 함벤유탱크로 이어지는 흡수유 배출관과; 상기 벤졸포집탑으로부터 배출된 함벤유를 재생하여 공급하는 재상흡수유 공급배관으로부터 공급되어 함벤유 열교환기를 통해 열교환된 흡수유를 벤졸포집탑의 상부로 바로 공급하도록 배관 설치되면서, 상기 흡수유 배출밸브와 신호적으로 연결되는 제1흡수유 유량조절밸브가 연관 설치되어 상기 재생흡수유 제1직급배관과 연관되고, 온도계 및 유량계가 설치된 재생흡수유 제2직급배관과; 상기 재상흡수유 공급배관과 연관되어 상부로 확장되면서, 상기 온도계와 신호적으로 연결되는 흡수유온도 조절밸브가 연관 설치된 재생흡수유 제1직급배관과; 상기 벤졸포집탑의 상하부에 설치된 압력계의 압력차이를 감지하여 제1흡수유 유량조절밸브를 제어하는 차압계로 구성되는 것을 특징으로 하는 코크스오븐가스 포집설비의 벤졸 포집탑 데미스터 차압 해소장치를 제공한다.In order to achieve the above object, the present invention is a device for releasing the differential pressure of the demister of the benzol collection tower for removing the benzosol contained in the coke oven gas, the gas-liquid separator is installed under the demister; An absorbent oil discharge pipe which is installed through one side of the benzol collection tower in which the gas-liquid separator is installed and is connected to the absorbent oil discharge valve and is connected to the benvent oil tank; The absorption oil discharge valve is installed to supply the absorption oil supplied from the regeneration absorbing oil supply pipe for regenerating and supplying the benze oil discharged from the bensol collection tower to the upper portion of the bensol collection tower. A second absorption pipe connected to the first absorption oil flow control valve connected to a signal and associated with the first absorption pipe for regeneration absorption oil, and the second absorption pipe having a thermometer and a flow meter installed thereon; A regeneration absorbing oil first-grade pipe connected to the reabsorption oil supply pipe and extending upwardly, and having an absorption oil temperature control valve connected to the thermometer in a signal connection; It provides a differential pressure relief device for the benzol collection tower demister of the coke oven gas collecting system, characterized in that the differential pressure gauge for controlling the first absorption oil flow control valve by detecting the pressure difference of the pressure gauge installed on the upper and lower portions of the benzol collection tower. .

또한, 본 발명은 상기 기액분리판이 데미스터 하부에 설치되는 분리판 고정대의 중심부에 고정되는 가스통입관과, 이를 중심으로 관통형 지지대로 각각 고정 설치되면서, 상부로 갈수록 직경이 작아져 계단식으로 형성되는 다수의 원형판으로 구성되는 것을 특징으로 하는 코크스오븐가스 포집설비의 벤졸 포집탑 데미스터 차압 해소장치를 제공한다.In addition, the present invention is the gas-liquid separating plate is installed in the gas inlet pipe is fixed to the center of the separation plate holder is installed in the lower portion of the demister, and through each of the fixed through the support as a center, the diameter becomes smaller toward the top is formed stepwise Provided is a solsol collector tower demister differential pressure relief device of the coke oven gas collecting facility, characterized in that composed of a plurality of circular plates.

이하, 첨부된 도면을 참조하여 본 발명의 구성을 상세하게 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail the configuration of the present invention.

도 3은 본 발명에 따른 코크스오븐가스 포집설비의 벤졸 포집탑 데미스터 차압 해소장치를 도시한 개념도이고, 도 4는 본 발명에 따른 코크스오븐가스 포집설비의 벤졸 포집탑 데미스터 차압 해소장치를 구성하는 기액분리판을 도시한 평면도 및 측단면도이다.3 is a conceptual diagram illustrating a solsol trapping tower demister differential pressure releasing device of the coke oven gas collection system according to the present invention, Figure 4 is a solsol trapping tower demister differential pressure releasing device of the coke oven gas collection system according to the present invention It is a top view and a cross-sectional side view which show the gas-liquid separation plate.

도 3에 도시된 바와 같이, 함벤유 열교환기(400~404) 5대 중 흡수유가 마지막으로 통과하는 열교환기(400) 후단과 흡수유와 냉각수 열교환기(700~704) 5대 중 처음으로 통과하는 열교환기(700) 전단 사이의 배관에서 벤졸포집탑(200) 데미스터 흡수유배관 (가,나,다,라)의 메인배관까지 새로운 배관(22)을 연결하고 이 배관에 유량조절밸브(20)를 설치하고, 이 배관의 후단부에 유량계(20a)를 설치하며 이 유량계의 유량 설정 치에 따라 밸브(20)가 작동되도록 제어회로가 구성되어진다.As shown in FIG. 3, the first pass of the rear end of the heat exchanger 400 and the absorbed oil and the coolant heat exchanger 700 to 704 that pass through the absorbent oil of the five oil-containing heat exchangers 400 to 404 last. Connect a new pipe (22) from the pipe between the front end of the heat exchanger (700) to the main pipe of the sorbent collecting tower (200) of the demister absorbing oil pipe (A, C, D). 20), a flow meter 20a is provided at the rear end of the pipe, and the control circuit is configured to operate the valve 20 according to the flow rate setting value of the flow meter.

또한, 상기 열교환기(400)와 (700)사이의 새로운 배관 연결부 후단에도 유량조절밸브(21)가 설치되는데, 이 유량조절밸브는 유량조절밸브(20)와 역으로 동작되도록 제어회로가 구성된다.In addition, a flow control valve 21 is installed at the rear end of the new pipe connection between the heat exchanger 400 and 700, and the control circuit is configured to operate in reverse with the flow control valve 20. .

즉, (20)이 열리면 (21)은 (20)이 열린 만큼 닫히고 (20)이 닫힌 만큼 (21)이 열리는 회로로 구성된다.In other words, when (20) is opened, (21) is composed of a circuit in which (21) is opened as much as (20) is closed and (20) is closed.

또한, 상기 열교환기(404) 입구 측 흡수유 배관에서 새로운 배관(31)을 배관(22)에 연결하고 이 새로운 배관에 온도조절밸브(30)를 설치하고, 데미스터 흡수유 배관(22)의 유량계(20a) 전단에 온도계(30a)를 설치하며, 이 온도계의 설정치에 따라서 온도조절 밸브(30)가 동작되도록 제어회로가 구성된다.In addition, a new pipe 31 is connected to the pipe 22 in the absorption pipe of the inlet side of the heat exchanger 404, and a temperature control valve 30 is installed in the new pipe. The thermometer 30a is provided in front of the flowmeter 20a, and the control circuit is configured to operate the temperature control valve 30 in accordance with the set value of the thermometer.

한편, 벤졸포집탑(200) 내부의 최상단 충진물(200a)과 데미스터(210) 사이에는 데미스터에서 내려오는 흡수유는 벤졸포집탑 하부로 내려오지 못하고 코크스오븐가스는 하부에서 상부로 통과되는 기액 분리판(220-기체와 액체 분리판)이 설치되는데, 도 4에 도시된 바와 같은 형상을 갖추고 설치되며,On the other hand, between the uppermost filling 200a and the demister 210 inside the benzol collection tower 200, the absorbent oil coming down from the demister does not come down to the bottom of the benzol collection tower, and the coke oven gas is passed from the bottom to the top. Separator plate 220-gas and liquid separator plate is installed, having a shape as shown in Figure 4,

먼저 이 기액분리판(220)에는 코크스오븐가스가 벤졸포집탑 하부에서 상부로 통과 되는 가스 통입관(227)이 설치되고, 그 위에는 크기를 달리하는 원형판(222,223,224,225)이 설치되는데, 이 판들 사이에는 판을 지지하는 지지대(226)가 설치되어 이 원형의 판들을 지지하게 된다.First, the gas-liquid separator 220 is provided with a gas inlet pipe 227 through which coke oven gas passes from the bottom of the benzol collecting tower to the upper part, and circular plates 222, 223, 224, and 225 having different sizes are installed therebetween. A support 226 for supporting the plate is installed to support these circular plates.

상기 벤졸 포집탑(200)의 기액분리판(220) 측면 상단부에는 흡수유 배출관(13)이 연결되는데, 이 배출관은 씰링을 시키기 위하여 함벤유탱크(300)의 내부 하단부 깊숙이 삽입된다(14).Absorbent oil discharge pipe 13 is connected to the upper end of the gas-liquid separator 220 side of the benzol collection tower 200, the discharge pipe is inserted deep inside the lower end of the oil bent oil tank (300) (14).

또한 이 배출관에는 흡수유 배출 차단변(12)이 설치되는데 이 차단변은 유량조절밸브(20)가 열리면 열리고 닫히면 닫히도록 제어회로가 구성된다.In addition, the discharge pipe is provided with an absorbent oil discharge cutoff valve 12, which is configured to open and close the flow control valve 20 when the control valve 20 is closed.

또한, 코크오븐가스의 입구압력계(10)와 출구압력계(11)의 차이를 지시하는 차압계(15)가 설치되는데 이 차압계의 지시치에 따라서 밸브가 동작되도록 제어회로가 구성된다.In addition, a differential pressure gauge 15 for instructing the difference between the inlet pressure gauge 10 and the outlet pressure gauge 11 of the coke oven gas is provided. The control circuit is configured to operate the valve according to the indicated value of the differential pressure gauge.

즉, 벤졸포집탑 정상운전중 차압계의 차압이 200mmH2O를 지시하게 되면 각 밸브(20,21, 30,12)가 순차적으로 작동되어 동작이 시작되며 차압이 120mmH2O로 낮아지면 다시 밸브(20,21, 30,12)가 순차적으로 작동되어 닫히게 된다.That is, when the differential pressure of the differential pressure gauge indicates 200 mmH2O during the normal operation of the benzol collection tower, the valves 20, 21, 30, and 12 are sequentially operated to start operation. When the differential pressure is lowered to 120 mmH2O, the valves 20, 21, 30, 12) are operated in sequence to close.

이하, 바람직한 실시예에 따라서 본 발명의 작용을 설명한다.Hereinafter, the operation of the present invention according to a preferred embodiment.

도 3에 도시된 바와 같이, 본 발명은 벤졸포집탑(200)에 코크스오븐가스가 정상적으로 통입되고 있는 상태에서 코크오븐가스의 입구압력계(10)와 출구압력계(11)의 압력치가 검출되어 차압계(15)에 전달되어 차압이 200mmH2O 를 지시하게 되면 흡수유 유량조절밸브(20)가 열리게 되며, 이 밸브가 열린 만큼 반대로 작동되는 유량조절밸브(21)는 그만큼 닫히게 되어(흡수유와 냉각수 열교환기(700~704)로 가는 유량을 제어해야 데미스터로 흡수유가 유통될 수 있음), 60~70℃ 정도의 흡수유중 일부가 데미스터 흡수유배관 (22)을 타고 배관(가,나,다,라)을 통하여 데미스터에 분사된다.As shown in FIG. 3, the present invention detects the pressure values of the inlet pressure gauge 10 and the outlet pressure gauge 11 of the coke oven gas in a state in which coke oven gas is normally introduced into the benzol collection tower 200. 15, when the differential pressure indicates 200mmH2O, the absorbent oil flow regulating valve 20 is opened, and the flow regulating valve 21 which is operated in reverse as the valve is opened is closed by the same (absorbing oil and coolant heat exchanger ( 700 to 704) to control the flow rate so that the absorbent oil can be distributed to the demister), some of the absorbent oil of about 60 ~ 70 ℃ is carried through the demister absorbent oil pipe (22) D) through the demister.

이때 유량은 유량계 (20a)에서 지시하게 되며 유량은 80~100m3/hr 이면 충분하므로 유량계의 유량설정을 80~100m3/hr 정도로하여 유량을 보내게된다.(표 2 참조)At this time, the flow rate is indicated by the flow meter 20a, and the flow rate is 80-100 m3 / hr, which is sufficient, so that the flow rate is set to 80-100 m3 / hr.

한편, 데미스터행 흡수유배관(22)을 통해서 오는 흡수유의 온도는 60~70℃이므로 70℃ 이하 일때는 70℃로 맞출 필요가 있는데 70℃ 이하 일때는 흡수유 온도조절밸브(30)가 열려 170℃ 정도되는 흡수유가 배관 (31)을 통해 데미스터 흡수유배관으로 가게 되는데, 온도계(30a)의 온도를 70℃로 맞추어 놓게 되면 온도에 따라서 온도조절밸브(30)가 작동됨으로써 온도를 70℃로 유지하게 된다.(70℃ 이상에서는 효과동일; 표 3 참조)On the other hand, the temperature of the absorption oil coming through the demister absorption pipe 22 is required to be adjusted to 70 ℃ when the temperature is below 70 ℃ 70 ℃ or less, but the absorption oil temperature control valve 30 is opened when 70 ℃ or less 170 ° C absorbed oil goes to the demister absorption oil pipe through the pipe 31, when the temperature of the thermometer (30a) is set to 70 ° C temperature control valve 30 is operated in accordance with the temperature to 70 ° C (Same effect at 70 ℃ or higher; see Table 3)

벤졸포집탑 상부를 통하여 데미스터(210) 상부에 유입되는 70℃의 흡수유는 데미스터를 통과한 후 기액분리판(220)을 통과하지 못하기 때문에 하부로 떨어지지 못하고 기액분리판(220) 상부 측면에 연결된 흡수유 배출관(13)을 통해서 빠져나가는데, 밸브(20)이 열리면 밸브(12)가 열리게 되므로 배관(13)을 통하여 함벤유 탱크(300)로 유입된다.The absorbent oil of 70 ° C. flowing into the upper portion of the demister 210 through the upper part of the solsol collection tower does not pass through the demister and thus does not pass through the gas-liquid separator 220. Exit through the absorbent oil discharge pipe 13 connected to the side, the valve 12 is opened when the valve 20 is opened, and is introduced into the oil tank 300 through the pipe (13).

그런데 정상운전 중 벤졸 포집탑(200) 출구 코크스오븐가스의 압력은 약 500~550mmH2O 이기 때문에 가스가 방출되는 것을 방지하기 위하여 함벤유 탱크에 유입되는 흡수유 배출관의 끝부분은 (14)처럼 합벤유탱크의 하부 깊숙이 삽입하여 1500mmH2O 이상 씰링되도록 하였으므로 코크스오븐가스는 새어나오지 않게된다.(함벤유탱크에는 최하 1.5m 이상의 오일이 있음)However, since the pressure of the coke oven gas of the benzol trap tower 200 exits during normal operation is about 500 to 550 mmH2O, the end portion of the absorbent oil discharge pipe flowing into the hamben oil tank to prevent the gas from being discharged is summed as shown in (14). The bottom of the tank is inserted deeply to seal more than 1500mmH2O, so the coke oven gas does not leak out (the oil tank contains at least 1.5m of oil)

한편, 흡수유가 데미스터(210)를 통과하여 함벤유탱크(300)로 빠져 나오는동안 코크스오븐가스는 기액분리판(220)을 빠져나와 데미스터를 통과하여 최종적으로 벤졸 포집탑(200)을 빠져나가 가스홀더로 가게 된다.Meanwhile, while the absorbent oil passes through the demister 210 and exits into the hamben oil tank 300, the coke oven gas exits the gas-liquid separator 220 and passes through the demister to finally exit the benzol collecting tower 200. I go to the gas holder.

상기의 방법으로 데미스터에 부착된 콜타르, 나프탈렌, 더스트 등이 제거되어 차압이 120mmH2O 로 낮아지게 되면 순차적으로 밸브 (21)은 열리고 (20,30,12)가 닫히게 되어 벤졸포집탑 차압해소 작업은 완료하게 된다.When the coal tar, naphthalene, dust, etc. attached to the demister is removed by the above method and the differential pressure is lowered to 120 mmH 2 O, the valve 21 is sequentially opened and the valves 20, 30, and 12 are closed. You are done.

상기 방법에 의하면 코크오븐가스가 정상적으로 통입되는 상태에서 흡수유 탱크(100) 에서 낮은 온도(25~30℃)의 흡수유는 펌프(101)와 배관(101a,101b)에 의해서 기액분리판(220) 하부에서 뿌려져 정상적으로 코크오븐가스중의 벤졸을 포집하게 되고 데미스터 차압해소 작업이 시작되면 높은 온도의 흡수유는 기액분리판(220)의 상부측 측면에서 빠져 나옴으로써 데미스터 차압 해소작업중에는 공정이 서로 분리되는 것이다.According to the above method, the absorbent oil having a low temperature (25 to 30 ° C.) in the absorbent oil tank 100 in the state where the coke oven gas is normally introduced is pumped by the pump 101 and the pipes 101a and 101b. When sprayed from the lower part and normally collects the benzol in the coke oven gas, and the demister differential pressure relief work starts, the absorbent oil of high temperature escapes from the upper side of the gas-liquid separator 220 so that the process This is separate from each other.

상술한 바와 같이, 본 발명은 벤졸 포집탑 정상운전 중에도 벤졸포집탑 데미스터 차압해소하는 장치를 제공함으로서, 흡수유와 냉각수 열교환기(700~704)의 흡수유 바이패스 밸브(700a,701a, 702a, 703a,704a)를 조작하는 시간이 제거되며, 데미스터에 보내는 흡수유 온도를 70℃ 까지 승온시키는데 소요되는 시간이 절약되고, 흡수유를 데미스터로 보내기 위해 밸브를 조작하는 시간 및 코크스오븐가스 바이패스밸브 및 입구밸브 조작시간이 절약되어 작업자의 작업부하를 없애고 차압 해소 작업 중에도 벤졸을 포집 하므로 인해서 벤졸 회수량이 회당 20,000kg으로 증가되는 효과가 얻어진다.As described above, the present invention provides an apparatus for releasing the differential pressure of the benzene treatment tower demister even during normal operation of the benzene treatment tower, thereby absorbing oil bypass valves 700a, 701a, and 702a of the absorption oil and the cooling water heat exchanger 700 to 704. , 703a, 704a) is eliminated, the time taken to raise the absorbent oil temperature to the demister is reduced to 70 ℃, the time to operate the valve to send the absorbent oil to the demister and the coke oven gas By reducing the operation time of the bypass valve and inlet valve, it eliminates the worker's workload and collects benzol even during the differential pressure elimination work, thereby increasing the benzene recovery amount to 20,000 kg per hour.

Claims (2)

코크스오븐가스 중에 함유된 벤졸을 제거하는 벤졸 포집탑(200)의 데미스터(210)의 차압을 해소하는 장치에 있어서,In the device for releasing the differential pressure of the demister 210 of the benzol collection tower 200 to remove the benzol contained in the coke oven gas, 상기 데미스터(210) 하부에 설치되는 기액분리판(220)과;A gas-liquid separator 220 disposed below the demister 210; 상기 기액분리판(220)이 설치된 벤졸포집탑(200)의 일측에 관통 설치되면서 흡수유 배출밸브(12)가 연관 설치되어 함벤유탱크(300)로 이어지는 흡수유 배출관(13)과;An absorbent oil discharge pipe 13 which is installed through one side of the benzol collection tower 200 in which the gas-liquid separator 220 is installed and is connected to the absorbent oil discharge valve 12 to lead to the oil tank 300; 상기 벤졸포집탑(200)으로부터 배출된 함벤유를 재생하여 공급하는 재상흡수유 공급배관(601b)으로부터 공급되어 함벤유 열교환기(400~404)를 통해 열교환된 흡수유를 벤졸포집탑(200)의 상부로 바로 공급하도록 배관 설치되면서, 상기 흡수유 배출밸브(12)와 신호적으로 연결되는 제1흡수유 유량조절밸브(20)가 연관 설치되어 상기 재생흡수유 제1직급배관(31)과 연관되고, 온도계(30a) 및 유량계(20a)가 설치된 재생흡수유 제2직급배관(22)과;Benzol collection tower 200 is absorbed oil supplied from the re-absorption oil supply pipe 601b for regenerating and supplying the benzyl oil discharged from the benzol collection tower 200 and heat-exchanged through the benzene oil heat exchanger (400 ~ 404) While the piping is installed to supply directly to the upper portion, the first absorption oil flow rate control valve 20 is connected to the absorption oil discharge valve 12 is installed in association with the first absorption pipe 31 and the regeneration absorption oil A second absorption pipe 22 having a regeneration absorption oil associated with the thermometer 30a and the flow meter 20a; 상기 재상흡수유 공급배관(601b)과 연관되어 상부로 확장되면서, 상기 온도계(30a)와 신호적으로 연결되는 흡수유온도 조절밸브(30)가 연관 설치된 재생흡수유 제1직급배관(31)과;The regeneration absorbent oil first vertical pipe 31 having an associated absorbent oil temperature control valve 30 connected to the thermometer 30a and being connected to the thermometer 30a in an upward direction associated with the reabsorption oil supply pipe 601b; ; 상기 벤졸 포집탑(200)의 상하부에 설치된 압력계(11,10)의 압력차이를 감지하여 제1흡수유 유량조절밸브(20)를 제어하는 차압계(15)로 구성되는 것을 특징으로 하는 코크스오븐가스 포집설비의 벤졸 포집탑 데미스터 차압 해소장치.Coke oven gas, characterized in that consisting of a differential pressure gauge (15) for controlling the first absorption oil flow control valve 20 by detecting the pressure difference of the pressure gauge (11, 10) installed on the upper and lower portions of the benzol collection tower 200 Benzol collecting tower demister differential pressure relief device of the collecting equipment. 청구항 1에 있어서,The method according to claim 1, 상기 기액분리판(220)은 데미스터(210) 하부에 설치되는 분리판 고정대(221)의 중심부에 고정되는 가스통입관(227)과, 이를 중심으로 관통형 지지대(226)로 각각 고정 설치되면서, 상부로 갈수록 직경이 작아져 계단식으로 형성되는 다수의 원형판(222,223,224,225)으로 구성되는 것을 특징으로 하는 코크스오븐가스 포집설비의 벤졸 포집탑 데미스터 차압 해소장치.The gas-liquid separator 220 is fixed to the gas inlet pipe 227 is fixed to the center of the separator plate holder 221 is installed in the lower portion of the demister 210, the through-type support 226, respectively, Benzol collecting tower demister differential pressure relief device of the coke oven gas collection system, characterized in that consisting of a plurality of circular plates (222, 223, 224, 225) formed in a stepwise diameter becomes smaller toward the top.
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KR100827484B1 (en) * 2007-07-27 2008-05-06 김정수 Coke oven gas of tar and moisture elemination apparatus and method of that
WO2019245115A1 (en) * 2018-06-21 2019-12-26 주식회사 포스코 Apparatus for treating coke oven gas

Family Cites Families (7)

* Cited by examiner, † Cited by third party
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JPS50126623A (en) * 1974-03-19 1975-10-04
DE3035895A1 (en) * 1980-09-24 1982-05-06 Dr. C. Otto & Comp. Gmbh, 4630 Bochum METHOD FOR WASHING H 2 S FROM COOKING GAS BY THE SULFAMMON METHOD
JPS61108695A (en) * 1984-11-02 1986-05-27 Nippon Steel Corp Removal of sulfur deposit adherent to coke oven gas desulfurizer
JPH10183874A (en) * 1996-12-27 1998-07-14 Yoshitaka Yoshinari Ventilation structure of ridge
JPH11217887A (en) * 1998-01-30 1999-08-10 Shintou Kk Attic space ventilation member and attic space ventilation structure
KR20020054067A (en) * 2000-12-27 2002-07-06 김종모 Prefab construction
KR100415917B1 (en) * 2001-11-14 2004-01-24 주식회사 포스코 Method for cleaning expanded metal packing in hydrogen sulfide collecting tank

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100827484B1 (en) * 2007-07-27 2008-05-06 김정수 Coke oven gas of tar and moisture elemination apparatus and method of that
WO2019245115A1 (en) * 2018-06-21 2019-12-26 주식회사 포스코 Apparatus for treating coke oven gas

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