KR101761319B1 - 갈탄 건조 시스템 및 갈탄 건조 방법 - Google Patents
갈탄 건조 시스템 및 갈탄 건조 방법 Download PDFInfo
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- KR101761319B1 KR101761319B1 KR1020170011007A KR20170011007A KR101761319B1 KR 101761319 B1 KR101761319 B1 KR 101761319B1 KR 1020170011007 A KR1020170011007 A KR 1020170011007A KR 20170011007 A KR20170011007 A KR 20170011007A KR 101761319 B1 KR101761319 B1 KR 101761319B1
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- F26B17/18—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
- F26B17/20—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being horizontal or slightly inclined
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- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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Abstract
Description
도 2는 도 1의 건조기로부터 배출되는 증기의 흐름을 설명하는 도면이다.
도 3은 도 1의 응축집진증발기를 출입하는 물과 응축집진증발기에서 배출되는 스팀의 흐름을 설명하는 도면이다.
도 4는 본 발명의 일 실시예에 따른 건조기의 횡단면도이다.
도 5는 본 발명의 일 실시예에 따른 응축집진증발기의 종단면도이다.
21: 예열기
23: 로터리피더
30: 건조기
41: 열교환기
43: 송풍기
50: 응축집진증발기
60: 원심분리기
70: 감압증발기
80: 증발스팀재압축기
Claims (14)
- 갈탄을 분쇄하는 분쇄기(10)와,
상기 분쇄기(10)로부터 분쇄된 갈탄을 공급받고, 통과하는 스팀과의 간접적인 열교환으로 상기 갈탄을 건조시켜 건조된 갈탄을 배출하는 건조기(30)와,
갈탄 건조시 갈탄에서 증발되어 배출되는 증기를 공급받도록 상기 건조기(30)에 연통되어 있고, 상기 건조기(30)로부터 배출되는 증기를 물과의 간접적인 열교환으로 응축시켜서, 증기의 응축시 증기에 포함된 탄진을 응축된 수용액에 집진하여 응축된 수용액과 함께 배출하고, 증기와 간접적으로 열교환되는 물을 증발시켜 스팀으로 배출하도록 마련된 응축집진증발기(50), 및
상기 응축집진증발기(50)로부터 발생되는 스팀을 공급받아, 상기 스팀을 과열스팀으로 압축하여 상기 건조기(30)에 공급하는 증발스팀재압축기(80)를 포함하는 것을 특징으로 하는 갈탄 건조 시스템. - 제1항에 있어서,
상기 건조기(30)에서 배출되는 증기의 일부가 상기 건조기(30)에 스위프 가스로서 공급되는 것을 특징으로 하는 갈탄 건조 시스템. - 제1항에 있어서,
상기 응축집진증발기(50)로부터 응축된 수용액을 공급받아, 상기 수용액을 탄진과 분리시키는 원심분리기(60)를 더 포함하는 것을 특징으로 하는 갈탄 건조 시스템. - 제3항에 있어서,
상기 원심분리기(60)에서 분리된 분리수용액을 공급받아, 상기 분쇄기(10)에서 배출되는 갈탄과 열교환시켜 갈탄을 예열하는 예열기(21)를 더 포함하는 것을 특징으로 하는 갈탄 건조 시스템. - 제1항에 있어서,
상기 응축집진증발기(50)에 공급되는 증기를 가압하는 송풍기(43)를 더 포함하는 것을 특징으로 하는 갈탄 건조 시스템. - 제1항에 있어서,
상기 증발스팀재압축기에서 압축된 과열스팀의 일부를 공급받고, 공급된 과열스팀을 상기 건조기에서 배출되는 증기와 열교환시켜, 상기 증기를 과열증기로 변환시키는 열교환기(41)를 더 포함하는 것을 특징으로 하는 갈탄 건조 시스템. - 제1항에 있어서,
상기 건조기(30)에 공급된 스팀은 열수로 배출되며,
상기 건조기로부터 배출되는 열수를 공급받고, 상기 열수를 스팀으로 증발시켜 상기 증발스팀재압축기(80)에 공급하는 감압증발기(70)를 더 포함하는 것을 특징으로 하는 갈탄 건조 시스템. - 제1항에 있어서,
상기 건조기(30)는,
갈탄이 유입되는 유입구(34)와, 건조된 갈탄을 배출하는 배출구(35)와, 갈탄의 건조시 발생되는 증기를 배출하는 증기배출구(36)와, 스위프 가스가 유입되는 과열스팀유입구(37)와, 스팀이 통과하며 건조기 내부에 병렬로 배열된 복수의 중공 샤프트(31, 32)와, 공급된 갈탄을 교반시키면서 상기 배출구 쪽으로 이송시키도록 상기 중공 샤프트(31, 32)에 설치되어 회전하며 패들을 구비한 복수의 디스크(33a, 33b)를 포함하고,
상기 복수의 디스크들 중 한 샤프트의 디스크들 사이에 다른 샤프트의 디스크들이 각각 배치되도록, 상기 복수의 디스크들이 소정의 간격을 두고 배열되어 있는 것을 특징으로 하는 갈탄 건조 시스템. - 제1항에 있어서,
상기 응축집진증발기(50)는,
상기 건조기에서 배출되는 증기가 통과하는 하나 이상의 증기도관(51)과,
상기 증기도관을 둘러싸며, 상기 증기도관의 증기를 응축시키도록 열교환하는 물을 공급받고, 물의 증발에 의해 발생하는 스팀을 배출하는 쉘(53)을 포함하는 것을 특징으로 하는 갈탄 건조 시스템. - 갈탄을 건조하는 방법에 있어서,
갈탄을 분쇄하여 건조기에 공급하는 단계;
상기 건조기에 공급된 갈탄을 스팀과의 간접적인 열교환으로 건조시키는 단계;
갈탄의 건조시 갈탄에서 발생되는 증기를 응축집진증발기에 공급하여, 공급된 증기를 물과의 간접적인 열교환으로 응축시키고, 증기의 응축시 증기에 포함된 탄진은 응축된 수용액에 집진하여 배출시키고, 증기와 간접적으로 열교환되는 물은 증발시켜 스팀으로 배출하는 단계;
상기 열교환을 통해 물로부터 증발된 스팀을 증발스팀재압축기로 압축하여 과열스팀으로 변환시키고, 상기 과열스팀을 상기 건조기로 공급하는 단계;를 포함하는 것을 특징으로 하는 갈탄을 건조하는 방법. - 제10항에 있어서,
상기 갈탄의 건조시 발생되는 증기를 과열증기로 변화시킨 후 가압송풍하여, 상기 건조기에 스위프 가스로서 공급하는 단계를 더 포함하는 것을 특징으로 하는 갈탄을 건조하는 방법. - 제10항에 있어서,
상기 응축집진증발기에서 응축되어 배출되는 수용액을 원심분리기를 이용하여 수용액과 슬러지로 분리하고, 분리된 수용액을 예열기에 공급하여 분쇄된 갈탄을 예열시키고, 분리된 슬러지는 건조기로 공급하는 단계를 더 포함하는 것을 특징으로 하는 갈탄을 건조하는 방법. - 제10항에 있어서,
상기 증발스팀재압축기에서 압축된 과열스팀의 일부를 상기 건조기에서 배출되는 증기와 열교환시켜, 상기 증기를 과열증기로 변환시키는 단계를 더 포함하는 것을 특징으로 하는 갈탄을 건조하는 방법. - 제10항에 있어서,
상기 건조기로부터 배출되는 열수를 감압증발기로 증발시켜, 증발된 스팀을 증발스팀재압축기로 공급하는 단계를 더 포함하는 것을 특징으로 하는 갈탄을 건조하는 방법.
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US15/805,163 US10941984B2 (en) | 2017-01-24 | 2017-11-07 | System and method for drying lignite |
AU2017396357A AU2017396357B2 (en) | 2017-01-24 | 2017-12-14 | System for drying lignite and method for drying lignite |
EP17894142.3A EP3575382B1 (en) | 2017-01-24 | 2017-12-14 | System for drying lignite and method for drying lignite |
PCT/KR2017/014728 WO2018139758A1 (ko) | 2017-01-24 | 2017-12-14 | 갈탄 건조 시스템 및 갈탄 건조 방법 |
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CN112484437A (zh) * | 2020-11-30 | 2021-03-12 | 郭炎泉 | 一种肥料生产用原料烘干设备 |
WO2023080657A1 (ko) * | 2021-11-08 | 2023-05-11 | (주)선진티에스 | 오염물질을 제거하는 복합 건조기 |
CN115790103A (zh) * | 2023-02-07 | 2023-03-14 | 山东金河实业集团有限公司 | 一种连二亚硫酸钠的干燥装置 |
CN115790103B (zh) * | 2023-02-07 | 2023-04-11 | 山东金河实业集团有限公司 | 一种连二亚硫酸钠的干燥装置 |
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US10941984B2 (en) | 2021-03-09 |
WO2018139758A1 (ko) | 2018-08-02 |
AU2017396357A1 (en) | 2019-03-14 |
AU2017396357B2 (en) | 2021-04-08 |
EP3575382A1 (en) | 2019-12-04 |
EP3575382A4 (en) | 2020-01-15 |
US20180209738A1 (en) | 2018-07-26 |
EP3575382B1 (en) | 2021-04-14 |
CN108387069A (zh) | 2018-08-10 |
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