KR200147234Y1 - Heat exchanger having inner dust collecting structure - Google Patents
Heat exchanger having inner dust collecting structure Download PDFInfo
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- KR200147234Y1 KR200147234Y1 KR2019970009107U KR19970009107U KR200147234Y1 KR 200147234 Y1 KR200147234 Y1 KR 200147234Y1 KR 2019970009107 U KR2019970009107 U KR 2019970009107U KR 19970009107 U KR19970009107 U KR 19970009107U KR 200147234 Y1 KR200147234 Y1 KR 200147234Y1
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- dust
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- dust collecting
- waste gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
- F28D21/001—Recuperative heat exchangers the heat being recuperated from exhaust gases for thermal power plants or industrial processes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
Abstract
본 고안은 소각로나 소성로, 건조기등 분진을 함유하는 폐가스 배출시설에서 발생되는 고온의 배기가스온도를 대디방출에 적합한 온도로 감열시키기 위한 열교환기에 관한 것으로 특히 열교환기의 하부 공통챔버내에 위치되는 배출냉각관 하단에 사이크론식 집진구조를 일체로 결합구성시킴으로써 집진구조를 열교환기내부에 구비함에 따른 설치공간의 감소, 연결닥트의 구성배제로 인한 압력 및 동력손실의 감소는 물론 폐가스에 의한 자동예열기능에 따라 집진구조의 응축수 발생의 억제와 별도 보온이 불필요하며,The present invention relates to a heat exchanger for reducing the high temperature of exhaust gas generated from waste gas discharge facilities including dust, such as incinerators, kilns, and dryers, to a temperature suitable for release, especially in the exhaust cooling chamber located in the lower common chamber of the heat exchanger. By combining the cyclone dust collecting structure integrally at the bottom of the pipe, it reduces the installation space by providing the dust collecting structure inside the heat exchanger, the pressure and power loss due to the exclusion of the connecting duct, as well as the automatic preheating function by the waste gas. Therefore, it is unnecessary to suppress condensate generation of the dust collection structure and keep extra heat.
2차 집진장치에서의 부하감소 및 여과 효율의 지속성추구, 설비의 단일화로 인한 제조원가의 절감을 기할 수 있도록 한 것이다.It aims to reduce the manufacturing cost due to the reduction of load in the secondary dust collector, the continuation of the filtration efficiency, and the unification of equipment.
Description
본 고안은 소각로나 소성로, 건조기등 분진을 함유하는 폐가스 배출시설에서 발생되는 고온의 배기가스온도를 대디방출에 적합한 온도로 감열시키기 위한 열교환기에 관한 것으로 특히 열교환기의 하부 공통챔버내에 위치되는 배출냉각관 하단에 사이크론식 집진구조를 일체로 결합구성시킴으로써 집진구조를 열교환기내부에 구비함에 따른 설치공간의 감소, 연결닥트의 구성배제로 인한 압력 및 동력손실의 감소는 물론 폐가스에 의한 자동예열기능에 따라 집진구조의 응축수 발생의 억제와 별도 보온이 불필요하며,The present invention relates to a heat exchanger for reducing the high temperature of exhaust gas generated from waste gas discharge facilities including dust, such as incinerators, kilns, and dryers, to a temperature suitable for release, especially in the exhaust cooling chamber located in the lower common chamber of the heat exchanger. By combining the cyclone dust collecting structure integrally at the bottom of the pipe, it reduces the installation space by providing the dust collecting structure inside the heat exchanger, the pressure and power loss due to the exclusion of the connecting duct, as well as the automatic preheating function by the waste gas. Therefore, it is unnecessary to suppress condensate generation of the dust collection structure and keep extra heat.
2차 집진장치에서의 부하감소 및 여과 효율의 지속성추구, 설비의 단일화로 인한 제조원가의 절감을 기할 수 있도록 한 것이다.It aims to reduce the manufacturing cost due to the reduction of load in the secondary dust collector, the continuation of the filtration efficiency, and the unification of equipment.
소각로나 소성로, 건조기등 폐가스 배출시설에서 발생되는 고온의 배기가스에는 다량의 분진을 함유하고 있으며, 이러한 폐가스를 대기중으로 방출하기 위해서는 환경법 배출기준이하로 정화하여야 함은 물론 고온의 폐가스가 집진설비로 직접 들어가 응축수를 발생함에 따른 집진설비의 부식, 변형, 고장 등의 방지를 위해 냉각시켜야 하는 것으로 이를 충족시키기 위하여 통상적으로 폐가스를 냉각시키기 위한 열교환기와 분진제거용의 1∼2차 집진정화시설을 구비하게 되는 바 이들의 기존 구조를 알아보면 다음과 같다.High-temperature exhaust gases generated from waste gas discharge facilities such as incinerators, kilns, and dryers contain a large amount of dust.In order to discharge these waste gases into the atmosphere, they have to be purged under the emission standards of environmental laws, and hot waste gases are collected as dust collection equipment. In order to meet this problem, it is necessary to cool the dust collector to prevent corrosion, deformation and failure due to direct condensate generation. In order to satisfy this problem, a heat exchanger for cooling waste gas and a first to second dust collector for dust removal are usually provided. The existing structure of these bars is as follows.
기존의 집진설비중 열교환기 없이 폐가스를 배출하는 시설(소각로나 소성로, 건조기등)의 배출닥트에 직접 사이크론방식의 집진구조를 연결시켜 분진을 처리하는 경우, 고온의 폐가스가 직접 집진구조에 접하게 되므로 다량의 응축수가 발생하게 되며, 이 응축수는 백필터와 접촉하게 되어 여과효율을 저하시키는 데, 이를 방지하기 위하여는 폐가스와의 온도차이를 줄여주기 위한 별도의 집진구조의 예열장치가 필요하다.When dust is processed by directly connecting the cyclone dust collecting structure to the discharge duct of a facility (incinerator, kiln, dryer, etc.) that discharges waste gas without heat exchanger among existing dust collecting facilities, the hot waste gas is directly in contact with the dust collecting structure. Therefore, a large amount of condensate is generated, and the condensate comes into contact with the bag filter, thereby lowering the filtration efficiency. In order to prevent the condensate, a pre-heating device having a separate dust collection structure is required to reduce the temperature difference with the waste gas.
또한 집진설비에서 열교환기를 구비된 경우에는 폐가스배출시설(소각로나 소성로, 건조기등)의 배출닥트에 열교환기를 외부적으로 연결시키며, 동시에 열교환기의 배출닥트에는 사이크론방식의 제 1차집진설비와 백필터 또는 세정방식의 제 2차집진설비를 직렬로 연결시켜 구성하였던 것으로 이와같은 구조는 다음과 같은 많은 문제점을 포함하고 있는 것이다.In addition, when a heat exchanger is provided in the dust collector, the heat exchanger is externally connected to the discharge duct of the waste gas discharge facility (incinerator, kiln, dryer, etc.), and at the same time, the primary duct of the cyclone type is installed in the discharge duct of the heat exchanger. Secondary dust collecting equipment of the bag filter or cleaning method was connected in series, and such a structure includes many problems as follows.
⊙ 제 1차집진설비와 제 2차집진설비를 폐가스배출시설과 별도로 개별 설치하게 되는 것이므로 장치의 설치공간이 많이 소요되는 것이며,⊙ Since the first dust collector and the second dust collector are installed separately from the waste gas discharge facility, the installation space of the device takes a lot of space.
⊙ 직렬설치로 인한 연결닥트의 길이증가로 인하여 소요동력이 과다하게 요구되는 것이며,⊙ Excessive power is required due to the increase in the length of the connecting duct due to the series installation.
⊙ 열교환기와 폐가스의 온도차에 의해 가스온도를 노점이상으로 유지하여도⊙ Even if the gas temperature is maintained above the dew point due to the temperature difference between the heat exchanger and the waste gas,
부분적으로 열교환기의 내부 표면에서 응축수가 발생되어 제 2차집진설비로 침투되는 것으로 이로인해 제 2차집진설비가 백 필터인 경우 백 필터가 젖어 분진의 자동탈막이 방해되므로 여과효율의 저하와 백 필터의 잦은 교체가 요구되는 문제점이 있는 것이다.In part, the condensate is generated from the inner surface of the heat exchanger and penetrates into the secondary dust collecting equipment. Thus, when the secondary dust collecting equipment is the bag filter, the bag filter is wet, which prevents the automatic film removal of dust. There is a problem that requires frequent replacement of the filter.
본 고안은 상기와 같은 종래의 구조에서 기인되는 제반 문제점을 해결 보완하기 위한 것으로 열교환기의 하부 공통챔버내에 위치되는 배출냉각관 하단에 사이크론식 집진구조를 일체로 결합구성시킴으로써 집진구조를 열교환기내부에 구비함에 따른 설치공간의 감소, 연결닥트의 구성배제로 인한 압력 및 동력손실의 감소는 물론 폐가스에 의한 자동예열기능에 따라 집진구조의 응축수 발생의 억제와 별도 보온이 불필요하며,The present invention is to solve the problems caused by the conventional structure as described above, the cyclone dust collection structure integrally coupled to the lower part of the exhaust cooling pipe located in the lower common chamber of the heat exchanger by combining the dust collection structure heat exchanger In addition to the reduction of installation space, internal pressure and power loss due to exclusion of the connecting duct, the automatic preheating function of waste gas suppresses the condensate generation of the dust collection structure and requires no additional warming.
2차 집진장치에서의 부하감소 및 여과 효율의 지속성추구, 설비의 단일화로 인한 제조원가의 절감을 기할 수 있도록 함을 목적으로 하는 것이다It aims to reduce the manufacturing cost due to the reduction of load in the secondary dust collector, the continuity of filtration efficiency, and the unification of facilities.
도 1은 본 고안 열교환기의 전체 구성을 보이는 사시도.1 is a perspective view showing the overall configuration of the subject innovation heat exchanger.
도 2은 본 고안의 요부인 집진구조의 작용을 설명하기 위한 종단면도.Figure 2 is a longitudinal cross-sectional view for explaining the operation of the dust collecting structure that is the main part of the present invention.
*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *
1: 상부 공통챔버 2: 유입 닥트 2': 배출닥트1: upper common chamber 2: inlet duct 2 ': outlet duct
3: 입구측 3':출구측 5:유입 냉각관3: inlet side 3 ': outlet side 5: inlet cooling tube
5': 배출 냉각관 6: 하부 공통챔버 7,7':호퍼5 ': exhaust cooling line 6: lower common chamber 7, 7': hopper
8:집진구조 8':집진통체 8: 가이드휀8: Dust collection structure 8 ': Dust collection body 8: Guide 휀
양단에 폐가스의 유입닥트(2)와 배출닥트(2')가 구비되고 입구측(3)과 출구측(3')의 연통 및 격리상태를 선택하는 안전밸브(4)를 구비하는 상부 공통챔버(1)와, 상기 입구측(3)과 출구측(3')의 저부에 각각 연통상태로 설치되는 다수열의 유입 냉각관(5)과 배출 냉각관(5')과, 상기 유입 냉각관(5)과 배출 냉각관(5')의 하단에 연통상태로 설치되는 하부 공통챔버(6)와, 상기 유입 냉각관(5)과 배출 냉각관(5')의 직하방에 위치되어 열교환중인 폐가스 분진의 중간수거와 배출전 임시저장기능을 갖도록 하부 공통챔버(6)의 저부에 호퍼(7)(7')를 구비하는 공지구조에 있어서;The upper common chamber is provided with an inlet duct 2 and an outlet duct 2 'of waste gas at both ends and a safety valve 4 for selecting communication and isolation between the inlet side 3 and the outlet side 3'. (1), a plurality of rows of inlet cooling tubes (5) and outlet cooling tubes (5 ') provided in communication with the bottom of the inlet side (3) and the outlet side (3'), respectively, and the inlet cooling tube ( 5) and the lower common chamber 6 which is installed in communication with the lower end of the exhaust cooling pipe 5 ', and the waste gas which is located directly below the inlet cooling pipe 5 and the exhaust cooling pipe 5' and is in heat exchange. In a known structure having a hopper (7) (7 ') at the bottom of the lower common chamber (6) to have a function of intermediate collection of dust and temporary storage before discharge;
상기 배출 냉각관(5')의 하단에 설치되며 유입 냉각관(5)을 거친 폐가스의 유입시켜 원심력을 이용하여 분진을 집진시켜 주기위한 상하가 관통된 원추형의 집진통체(8)과, 상기 집진통체(8)의 상단과 배출 냉각관(5')사이에 고정 설치되며 집진통체(8')로의 유입가스에 선회력을 부여시켜 주기 위한 가이드휀(8)으로 구성되는 집진구조(8)를 결합 구성하여서 된 것이다.A conical dust collection body 8 which is installed at a lower end of the discharge cooling tube 5 'and has a top and bottom penetrating dust collection body for collecting dust using centrifugal force by introducing waste gas having passed through the inlet cooling tube 5 and the dust collecting member The dust collector structure 8 is fixedly installed between the upper end of the cylinder 8 and the discharge cooling tube 5 ', and is composed of a guide fan 8 for imparting a turning force to the inflow gas into the dust collector 8'. It is made up.
* 도면중 미설명부호 (10)는 백 필터로 구성되는 2차 집진설비이고,* In the drawing, reference numeral 10 denotes a secondary dust collecting facility composed of a bag filter,
(11)는 폐가스배출시설을 보인 것이다.(11) shows a waste gas discharge facility.
이와같이 구성되는 본 고안의 작용을 상세히 설명하면 다음과 같다.If described in detail the operation of the subject innovation is configured as follows.
본 고안은 도 2에서와 같이 폐가스배출시설(11)에서 발생된 폐가스가 상부 공통챔버(1)의 입구측(3)에 설치된 유입닥트(2)를 통해 유입 냉각관(5)을 거쳐 하부 공통챔버(6)로 유입되며,The present invention is through the inlet cooling pipe (5) through the inlet duct (2) installed in the inlet side (3) of the upper common chamber (1) waste gas generated in the waste gas discharge facility 11 as shown in FIG. Flow into the chamber (6),
이때 폐가스중에 포함된 분진중 일부는 호퍼(7)로 낙하되어 중간 수거되는 것이다.At this time, some of the dust contained in the waste gas is dropped into the hopper (7) is to be collected in the middle.
한편 하부 공통 챔버(6)내의 폐가스는 가이드휀(9)을 거쳐 와류를 일으키면서 원추형의 집진통체(8')로 유입되어 선회류하는 것으로 분진은 원심력에 의해서 집진통체(8')의 내벽측으로 몰리면서 하강되어 챔버(7')로 퇴적되어 배출되기 전까지 임시 저장되면서 1차적인 정화작용을 하는 것이며, 이때 집진통체(8')는 하부 공통챔버(6)의 내부에 위치되어 대기온도의 영향을 덜받고 고온의 폐가스가 접하게되는 관계로 폐가스와의 온도차이가 거의 발생되지 않아 응축수가 생성되지 않게 되는 것이다.On the other hand, the waste gas in the lower common chamber 6 flows into the conical dust collection body 8 'while vortexing through the guide fan 9, and swirls. The dust flows to the inner wall side of the dust collecting body 8' by centrifugal force. Molecularly descend and descend to the chamber 7 'to be temporarily stored before being discharged to purify. At this time, the dust collection body 8' is located inside the lower common chamber 6 and influences of atmospheric temperature. Since less and less contact with hot waste gas, the temperature difference with the waste gas is hardly generated and condensed water is not generated.
한편 1차 정화된 가스는 집진통체(8)내에서 내부 선회류하면서 배출 냉각관(5')을 통해 상부 공통챔버(1)의 출구측(3')과 배출닥트(2')를 거쳐 백 필터를 이용하는 여과집진이나 물을 이용하는 세정집진구조로 구성되는 2차 집진설비(10)로 안내되어 미세한 분진까지 여과시킨 다음 차기 공정으로 유입되거나 대기중으로 방출되는 것이다.On the other hand, the primary purified gas flows through the discharge side of the upper common chamber 1 through the outlet side 3 'and the discharge duct 2' through the discharge cooling conduit 5 'while rotating internally in the dust collecting body 8. It is guided to the secondary dust collector (10) composed of a filter dust collection using a filter or a scrubbing dust collection structure using water to filter to fine dust and then flows into the next process or discharged into the atmosphere.
이상과 같은 본 고안은 종래와 같이 열교환기와 별도로 집진구조를 개별 설치하는것이 아니라 열교환기의 내부에 사이크론식 집진구조를 일체로 결합구성시킴으로써 설비의 단일화로 인한 제조원가의 절감은 물론 집진구조를 열교환기내부에 구비함에 따른 집진 설비의 점유공간의 축소를 기함으로 인한 부지구입비용의 절감과 유지관리의 용이성을 추구할 수 있으며,As described above, the present invention does not separately install the dust collecting structure separately from the heat exchanger, but instead combines the cyclone dust collecting structure inside the heat exchanger to reduce the manufacturing cost due to the unification of the equipment, as well as to heat the dust collecting structure. By reducing the space occupied by the dust collection equipment provided in the cabin, it is possible to pursue reduction of site purchase cost and ease of maintenance.
연결닥트의 구성을 배제시킬 수 있게 되므로 가스배출압력 및 동력의 손실을 방지하게되어 경제적이고 효율적인 작업이 가능하게 되는 것이며,Since the configuration of the connecting duct can be excluded, the loss of gas discharge pressure and power can be prevented and economical and efficient work is possible.
집진구조가 폐가스에 의해 자동적으로 가열되는 상태이기 때문에 별도의 보온장치가 불필요하여 장치의 비대, 복잡성을 배제할 수 있으며,Since the dust collecting structure is automatically heated by the waste gas, a separate thermostat is unnecessary, which can eliminate the enlargement and complexity of the device.
동시에 응축수 발생이 억제되어 2차 집진장치에서의 부하감소 및 여과 효율의 지속성을 추구할 수 있는 것이다.At the same time, condensate generation can be suppressed, thereby reducing load in the secondary dust collector and pursuing continuity of filtration efficiency.
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| KR2019970009107U KR200147234Y1 (en) | 1997-04-29 | 1997-04-29 | Heat exchanger having inner dust collecting structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020048540A (en) * | 2000-12-18 | 2002-06-24 | 장길환 | A Disused Car Incinerator |
| KR101507723B1 (en) * | 2014-09-26 | 2015-04-01 | 주식회사 삼원에프엠티 | A treatment apparatus of fume |
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| KR100519803B1 (en) * | 2002-12-03 | 2005-10-10 | 한국에너지기술연구원 | A circulating fluidized bed device with multiple vertical tubes using the high suspension density fluid mixture of solid particles and gas |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020048540A (en) * | 2000-12-18 | 2002-06-24 | 장길환 | A Disused Car Incinerator |
| KR101507723B1 (en) * | 2014-09-26 | 2015-04-01 | 주식회사 삼원에프엠티 | A treatment apparatus of fume |
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