KR100418594B1 - System to removing a white smoke - Google Patents

System to removing a white smoke Download PDF

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Publication number
KR100418594B1
KR100418594B1 KR1020030023655A KR20030023655A KR100418594B1 KR 100418594 B1 KR100418594 B1 KR 100418594B1 KR 1020030023655 A KR1020030023655 A KR 1020030023655A KR 20030023655 A KR20030023655 A KR 20030023655A KR 100418594 B1 KR100418594 B1 KR 100418594B1
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South Korea
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moisture
heat exchanger
moisture adsorption
air
facility
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KR1020030023655A
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Korean (ko)
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이성규
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삼진엔테크(주)
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J13/00—Fittings for chimneys or flues 
    • F23J13/04—Joints; Connections

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chimneys And Flues (AREA)

Abstract

PURPOSE: A white smoke preventing system is provided to improve economical efficiency by minimizing the capacity of a heat exchanger and preventing the increase of pressure loss caused by moisture. CONSTITUTION: A white smoke preventing system for reducing the temperature and humidity of moist saturated gas generated from a facility(10) with an air-cooled heat exchanger(20), mixing the gas with heat-exchanged overheated air(4a), and then reducing the moisture contained in exhaust gas(5) through a chimney(30) below relative humidity includes a moisture absorbing and removing facility(40) mounted to the front of the heat exchanger to circularly use a moisture absorbent(41a). The moisture absorbing and removing facility is composed of a moisture absorbing and removing device(41) for flowing in the moist saturated gas and removing the moisture by contacting with the moisture absorbent; a drying device(42) for drying the moisture absorbent discharged from the moisture absorbing and removing device; a foreign material separating device(43) for separating foreign materials by vibrating the moisture absorbent transferred from the drying device; a filter dust collector(44) for collecting the foreign materials separated from the foreign material removing device; and a storage tank(45) for transferring the moisture absorbent of which the foreign materials are removed by the foreign material removing device and discharged, in an air-transfer method of a blower(46) and storing the moisture absorbent to use the absorbent again.

Description

백연방지시스템{System to removing a white smoke}Smoke Prevention System {System to removing a white smoke}

본 발명은 공냉식 열교환기의 열교환 열량과 회수열을 이용하여 연돌을 통하여 배출되는 백연(白煙)을 방지할 수 있도록 한 백연방지시스템에 관한 것으로, 특히 열교환기의 용량을 최소화하고 수분에 의한 압력손실의 증가를 방지하여 경제성을 높일 수 있도록 시스템을 개선한 것이다.The present invention relates to a white smoke prevention system that can prevent white smoke discharged through stacks by using heat exchange heat and recovery heat of an air-cooled heat exchanger. The system was improved to prevent the increase of losses and increase the economic efficiency.

종래에 오염물질 배출시설에서 발생되는 유해가스를 습식으로 제거하는 경우에 연돌을 통하여 발생되는 백연(白煙)을 방지하기 위해서는 외부로부터 고온의 공기를 혼합시켜 배기가스의 상대습도를 저감시키거나 연돌에 버너를 설치하여 배기가스를 직접 가열시킴으로서 배기가스 중의 수분을 제거하였던 것으로, 전자는 설치비용이 매우 높은 문제점이 있고 후자는 연료 소비에 따른 유지비용이 높은 문제점이 있었다.In the case of conventionally removing the harmful gas generated from the pollutant discharge facility in order to prevent the white smoke generated through the stack to reduce the relative humidity of the exhaust gas by mixing a high temperature air from the outside or the stack By installing a burner on the exhaust gas to directly heat the exhaust gas to remove moisture in the exhaust gas, the former had a problem of a very high installation cost, the latter had a problem of high maintenance costs according to fuel consumption.

따라서 본원발명의 발명자가 실용신안등록 제 0210607호로 등록한 것에서는 공냉식 열교환기의 열교환열량과 회수열을 이용하여 백연을 방지토록 한 기술이 제안되어 있는 것으로, 시설물로부터 배출되는 과포화상태의 배기가스를 열교환기에 의하여 냉각시켜 어느 정도의 수분을 제거토록 한 후, 열교환기로부터 열교환되어 배출되어지는 과열공기를 회수하여 배기가스에 포함된 수분을 백연 발생 함량 이하까지 제거토록 함으로서 종래보다 경제적이고 효과적인 백연 방지 기술이 제안된 바 있다.Therefore, the inventor of the present invention registered in Utility Model Registration No. 0210607 has proposed a technique for preventing white smoke by using heat exchange heat and recovery heat of an air-cooled heat exchanger. Cooling by air to remove a certain amount of water, and then to recover the superheated air discharged by heat exchange from the heat exchanger to remove the moisture contained in the exhaust gas to less than the white smoke generation content than conventional smoke prevention technology This has been proposed.

그러나 이때 과포화상태의 배기가스 중에 포함된 수분을 백연 발생 함량 이하까지 제거하기 위하여 열교환기에 주입시켜야 하는 냉각 공기의 용량이 너무 과대해져 이 냉각 공기를 주입하기 위하여 설치되어야 하는 송풍기 설계 용량의 과대화로 전력 소모가 많을 뿐 아니라 연돌 역시 크게 설계되어야 하기 때문에 실용화에 문제가 있었던 것이다.However, at this time, the capacity of the cooling air to be injected into the heat exchanger is too large to remove the moisture contained in the supersaturated exhaust gas below the white smoke generation content, and the power of the blower design capacity to be installed to inject the cooling air is increased. In addition to the high consumption, the stack had to be designed largely, so there was a problem in practical use.

따라서 본 발명은 상기한 종래의 문제점을 해결하기 위하여 안출한 것으로서, 공냉식 열교환기를 이용한 백연방지시스템에 있어서, 상기 열교환기의 전단에 수분흡착매체의 재생이 가능토록 된 수분흡착제거설비를 설치하여 시설물로부터 배출되는 과포화상태의 배기가스에 포함된 수분을 먼저 제거한 후 열교환기로 유입토록 하여 열교환기의 용량을 최소화하고 수분에 의한 압력손실의 증가를 방지하여 경제성을 높일 수 있도록 시스템을 개선한 백연방지시스템을 제공하고자 함이다.Therefore, the present invention has been made in order to solve the above-mentioned conventional problems, in the smoke prevention system using an air-cooled heat exchanger, by installing a water adsorption removal equipment that is capable of regeneration of the water adsorption medium in the front end of the heat exchanger facilities The smoke suppression system has been improved to remove the moisture contained in the supersaturated exhaust gas discharged from the gas and then flow it into the heat exchanger to minimize the capacity of the heat exchanger and to prevent the increase of pressure loss due to moisture, thereby improving the economic efficiency. To provide.

도 1은 본 발명의 일 실시 예에 따른 구성을 나타낸 흐름도.1 is a flow chart showing the configuration according to an embodiment of the present invention.

도 2는 본 발명의 또 다른 실시 예에 다른 구성을 나타낸 흐름도.2 is a flow chart showing another configuration of another embodiment of the present invention.

<도면의주요부분에대한부호의설명>Explanation of symbols on the main parts of the drawing

10: 시설물 20: 열교환기10: facility 20: heat exchanger

30: 연돌 40: 수분흡착제거설비30: stack 40: moisture adsorption removal equipment

41: 수분흡착제거장치 42: 건조장치41: moisture adsorption removal device 42: drying device

43: 이물질제거장치 44: 여과집진장치43: debris removal device 44: bag filter

45: 저장탱크 46: 송풍기45: storage tank 46: blower

50: 악취제거설비50: odor removal equipment

이하에서는 첨부 도면을 참조하여 본 발명의 가장 바람직한 일 실시 예를 상세히 설명하기로 한다. 우선, 각 도면을 설명함에 있어 각각 대칭되는 부분에 대한 도면 부호는 생략하는 것으로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in describing each of the drawings, reference numerals for respective mirror parts are omitted.

도 1에 도시된 바와 같이 본 발명은 백연이 발생되는 시설물(10)의 후단에 공냉식 열교환기(20)를 설치하여 시설물(10)로부터 배출되는 과포화 상태인 습포화가스(1)는 열교환기(20)를 통과하는 동안 감온감습된 습포화가스(2) 상태로 되는 한편 과포화 상태인 수증기는 응축수(3)로 배출토록 한 후, 상기 열교환기(20)의 냉각용 송풍기(21)로부터 유입되어진 냉각공기(4)가 열교환되어 배출되어지는 과열공기(5a)와 혼합되어 연돌(30)을 통하여 배출되어지는 배기가스(5)에 포함된 수분이 백연 발생 수분 함량 이하까지 저감토록 한 백연방지시스템에 있어서, 상기 열교환기(20)의 전단에 수분흡착매체(41a)의 순환사용이 가능토록 된 수분흡착제거설비(40)가 설치된 것이 특징이다.As shown in FIG. 1, the present invention provides an air-cooled heat exchanger 20 installed at a rear end of a facility 10 in which white smoke is generated. The wet saturated gas 1 discharged from the facility 10 is a heat exchanger ( While passing through 20, the wetted saturated gas (2) is in the state of supersaturation, while the supersaturated water vapor is discharged into the condensed water (3), and then flows from the cooling blower (21) of the heat exchanger (20). The cooling air (4) is mixed with the superheated air (5a) that is discharged by the heat exchange, the smoke contained in the exhaust gas (5) discharged through the stack (30) to prevent the smoke to reduce to less than the white smoke generated moisture content In the system, the water adsorption removal facility 40 is installed at the front end of the heat exchanger 20 to allow the circulation of the water adsorption medium 41a.

이때 상기 수분흡착제거설비(40)는 상기 시설물(10)로부터 발생되는 습포화가스(1)가 유입되어 충진된 수분흡착매체(41a)와 접촉토록 하기 위한 수분흡착제거장치(41)와, 수분흡착제거장치(41)로부터 배출되어지는 수분흡착매체(41a)를 전열판을 이용하여 건조시키기 위한 건조장치(42)와, 건조장치(42)로부터 이송되어진 수분흡착매체(41a)를 진동시켜 수분흡착매체(41a)에 붙어있는 이물질을 분리하기 위한 이물질분리장치(43)와, 이물질제거장치(43)로부터 분리되어진 이물질을 포집하여 처리하기 위한 여과집진장치(44)와, 이물질제거장치(43)로부터 이물질이 제거된 후 배출되어지는 수분흡착매체(41a)의 재사용을 위하여 저장탱크(45)로의 이송을 위하여 공기이송방식이 적용되는 송풍기(46)를 포함하는 것이다.At this time, the moisture adsorption removal equipment 40 is a moisture adsorption removal device 41 for contacting the moisture adsorption medium (41a) filled with the wet saturated gas (1) generated from the facility (10), and moisture Moisture adsorption by vibrating the drying device 42 for drying the moisture adsorption medium 41a discharged from the adsorption removal device 41 using a heat transfer plate, and the moisture adsorption medium 41a transferred from the drying device 42. The foreign matter separating device 43 for separating the foreign matter adhering to the medium 41a, the filter dust collecting device 44 for collecting and treating the foreign matter separated from the foreign matter removing device 43, and the foreign matter removing device 43 It includes a blower 46 is applied to the air transfer method for the transfer to the storage tank 45 for reuse of the moisture adsorption medium (41a) is discharged after the foreign matter is removed from.

이때 상기 수분흡착장치(41)는 상기 수분흡착매체(41a)의 충진을 위한 수분흡착매체충진실(41b)과 상기 시설물(10)로부터 배출되는 습포화가스(1)가 유입되어 수분흡착매체충진실(41b)에 충진되어진 수분흡착매체(41a)와의 접촉실(41c)로 이루어지고, 수분흡착매체(41a)에의 수분함유율이 포화상태가 되면 일정량씩 하부로 배출시켜 상기 건조장치(42)로의 유입을 위한 수분흡착매체배출구(41e)가 수분흡착매체충진실(41b)의 하부에 연장되게 형성되고, 수분흡착매체충진실(41b)의 상부로는 상기 저장탱크(45)로부터 새로운 수분흡착매체(41a)를 공급받기 위한 수분흡착매체공급구(41d)가 형성되어 수분흡착매체(40a)의 순환 사용이 가능토록 되어 있는 것이다.At this time, the moisture adsorption device 41 is filled with the moisture adsorption medium (41b) for filling the moisture adsorption medium (41a) and the wet saturation gas (1) discharged from the facility 10 is filled with moisture adsorption medium It consists of a contact chamber (41c) with the water adsorption medium (41a) filled in the truth (41b), and when the water content of the water adsorption medium (41a) is saturated, it is discharged downward by a predetermined amount to the drying device 42 A water adsorption medium outlet 41e for inflow is formed to extend in the lower portion of the water adsorption medium filling chamber 41b, and a new water adsorption medium from the storage tank 45 to the top of the water adsorption medium filling chamber 41b. A water adsorption medium supply port 41d for supplying 41a is formed to allow circulation use of the water adsorption medium 40a.

상기 수분흡착매체(41a)로는 제올라이트를 사용하는 것으로, 이 제올라이트는 수많은 공극의 형성으로 수분 흡착력이 높을 뿐 아니라 재사용을 위한 건조, 진동, 이송 과정에서 마모가 적어 수명이 길기 때문에 본 시스템과 같이 수분흡착매체(41a)의 순환 사용이 가능한 시스템에의 적용이 적합한 것이다.Zeolite is used as the water adsorption medium 41a. The zeolite has a high water adsorption power due to the formation of numerous pores, and has a long life due to less wear in the drying, vibration, and transport processes for reuse. It is suitable to apply to the system which can use the circulation of the adsorption medium 41a.

따라서 상기와 같이 구성된 본 발명의 백연 방지시스템은 시설물(10)로부터 다량의 수분이 포함되어진 과포화 상태의 습포화가스(1)를 수분흡착장치(41)로 유입시켜 수분흡착매체(41a)에 의하여 습포화가스(1) 중에 포함된 수분을 흡착시켜 제거토록 한 후, 어느 정도의 수분이 제거된 습포화가스(1a)를 열교환기(20)를 이용하여 포화가스(2)로 감온감습시킨 상태에서 열교환기(20)으로 유입되어진 냉각공기(4)가 열교환되어진 과열공기(4a)에 의하여 가열시켜 백연 방지 이하의 습도를 갖는 배출가스(1c)로 배출토록 함으로서 이때 필요한 열교환기(20)의 열교환열량 및 회수열이 적어져 열교환기(20)로 유입시켜야 하는 냉각공기(3)의 필요 용량 및 수분에 의하여 발생되는 압력손실을 감소시킬 수 있어 냉각공기(3)의 주입을 위한 냉각용 송풍기(21)의 설계 용량을 감소시킬 수 있는 것이다.Therefore, the white smoke prevention system of the present invention configured as described above introduces the supersaturated wet saturated gas 1 containing a large amount of water from the facility 10 into the moisture adsorption device 41 by the moisture adsorption medium 41a. After absorbing and removing moisture contained in the wet saturated gas (1), the wet saturated gas (1a) from which a certain amount of water has been removed is subjected to thermo-sensitization with a saturated gas (2) using a heat exchanger (20). In this state, the cooling air 4 introduced into the heat exchanger 20 is heated by the heat-exchanged superheated air 4a to be discharged to the exhaust gas 1c having a humidity less than white smoke prevention. The amount of heat exchange and the heat of recovery are reduced so that the pressure loss caused by the required capacity and moisture of the cooling air (3) to be introduced into the heat exchanger (20) can be reduced. Design capacity of the blower 21 It can be reduced.

또한 냉각공기(4)의 감소로 열교환되어진 과열공기(4a)의 용량도 감소되어 결국에는 연돌(30)을 통하여 배출되어지는 배기가스(5)의 용량도 감소되기 때문에 이에 따른 연돌(30)의 규격도 감소시킬 수 있는 것이다.In addition, since the capacity of the superheated air 4a heat-exchanged due to the decrease in the cooling air 4 is also reduced, the capacity of the exhaust gas 5 discharged through the stack 30 is also reduced. The specification can also be reduced.

또한 상기 수분흡착매체(41a)로서 수분 흡착력이 우수하고 마모가 적은 제올라이트를 사용함으로서 수분흡착매체(41a)의 재생 사용이 가능한 것으로, 이는 상기 수분흡착제거설비(40)에 의하여 본 발명 시스템 내에서 연속 순환 처리가 가능하게 되는 것이다.In addition, it is possible to regenerate the water adsorption medium (41a) by using a zeolite excellent in water adsorption power and less wear as the water adsorption medium (41a), which is within the system of the present invention by the water adsorption removal facility (40) Continuous circulation processing becomes possible.

한편, 도 2는 본 발명의 또 다른 실시예를 도시한 것으로, 상기 열교환기(20)의 후단과 연돌(30) 사이에 흡착탑 등의 악취제거설비(50)를 추가로설치하면 상기 시설물(10)로부터 배출되는 습포화가스(1)에 악취가 포함되어 있을 경우 백연 뿐 아니라 악취까지도 제거할 수 있는 시스템이다.On the other hand, Figure 2 shows another embodiment of the present invention, the installation of the odor removal facility 50, such as adsorption tower between the rear end and the stack 30 of the heat exchanger 20, the facility 10 If the saturation gas (1) discharged from the odor is contained, it is a system that can remove odor as well as white smoke.

상술한 바와 같이 본 발명의 백연 방지시스템은 열교환기(20)의 열교환을 위한 냉각용 송풍기의 설계 용량 저하로 전력비를 절감시킬 수 있기 때문에 유지비용의 절감효과가 있고, 또한 연돌 규격의 감소로 설치비용의 절감효과도 기대할 수 있어 종래보다 훨씬 더 경제적인 백연 방지대책의 강구가 가능하여 실용화가 어려웠던 문제점을 해결할 수 있는 것이다.As described above, the white smoke prevention system of the present invention can reduce the power cost by reducing the design capacity of the cooling blower for heat exchange of the heat exchanger 20, thereby reducing the maintenance cost and installing the reduced stack size. The cost reduction effect can also be expected, so much more economical countermeasures against white smoke are possible than before.

Claims (4)

(정정)시설물(10)로 부터 발생되는 습포화가스(1)를 공냉식 열교환기(20)에 의하여 감온감습시킨 후 열교환 되어진 과열공기(4a)와 혼합시켜 연돌(30)을 통한 배기가스(5)중의 수분을 백연 방지를 위한 상대습도 이하로 저감시킬 수 있도록 한 백연방지시스템에 있어서, 상기 열교환기(20)의 전단에 수분흡착매체(41a)의 순환사용이 가능토록 된 수분흡착제거설비(40)를 설치하되, 상기 수분흡착제거설비(40)는 습포화가스(1)가 유입되어 수분흡착매체(41a)와의 접촉에 의한 수분 제거를 위한 수분흡착제거장치(41)와, 수분흡착제거장치(41)로부터 배출되어지는 수분흡착매체(41a)의 건조를 위한 건조장치(42)와, 건조장치(42)로부터 이송되어진 수분흡착매체(41a)를 진동시켜 이물질을 분리시키기 위한 이물질분리장치(43)와, 이물질제거장치(43)로 부터 분리되어진 이물질 포집을 위한 여과집진장치(44)와, 이물질제거장치(43)로 부터 이물질이 제거된 후 배출되어지는 수분흡착매체(41a)를 송풍기(46)에 의한 공기이송방식으로 이송시켜 재사용을 위하여 저장토록 하기 위한 저장탱크(45)로 구성됨을 특징으로 하는 백연방지시스템.(Correction) The wet saturated gas (1) generated from the facility (10) is dehumidified by the air-cooled heat exchanger (20), and then mixed with the heat-exchanged superheated air (4a) exhaust gas through the stack (30) ( 5) In the smoke prevention system that can reduce the moisture in the relative humidity to prevent the smoke below, the moisture adsorption removal equipment to enable the circulation of the moisture adsorption medium (41a) to the front end of the heat exchanger (20) Wherein 40 is installed, the moisture adsorption removal equipment 40 is a moisture adsorption removal device 41 for removing moisture by contact with the moisture adsorption medium (41a) is introduced into the wet saturated gas (1), the moisture adsorption Separation of foreign substances for separating foreign matters by vibrating the drying device 42 for drying the moisture adsorption medium 41a discharged from the removal device 41 and the moisture adsorption medium 41a transferred from the drying device 42. Foreign matter separated from the apparatus 43 and the foreign matter removing apparatus 43 The filter dust collecting device 44 for collecting and the water adsorption medium 41a discharged after the foreign matter is removed from the foreign matter removing device 43 are transferred to the air transfer method by the blower 46 and stored for reuse. White smoke prevention system, characterized in that consisting of a storage tank 45 for ever. (삭제)(delete) (정정)제1항에 있어서, 상기 수분흡착매체(41a)는 제올라이트를 사용함을 특징으로 하는 백연방지시스템.(Correction) The smoke prevention system according to claim 1, wherein the moisture adsorption medium (41a) uses zeolite. (정정)제1항에 있어서, 상기 열교환기(20)의 후단과 연돌(30)사이에 악취제거설비(50)가 추가 설치됨을 특징으로 하는 백연방지 시스템.(Correction) The smoke prevention system according to claim 1, characterized in that an odor removal facility (50) is further installed between the rear end of the heat exchanger (20) and the stack (30).
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110027307A (en) * 2009-09-10 2011-03-16 주식회사 포스코 Water-vapor treating apparatus
KR101391282B1 (en) * 2012-04-13 2014-05-02 한국에너지기술연구원 A exhaust gas treatment system with moisture capture device using membrane
CN108211748A (en) * 2018-03-27 2018-06-29 陕西大秦环境科技有限公司 A kind of desulfurization white-smoke-removing device and technique

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110027307A (en) * 2009-09-10 2011-03-16 주식회사 포스코 Water-vapor treating apparatus
KR101585686B1 (en) 2009-09-10 2016-01-15 주식회사 포스코 Water-Vapor Treating Apparatus
KR101391282B1 (en) * 2012-04-13 2014-05-02 한국에너지기술연구원 A exhaust gas treatment system with moisture capture device using membrane
CN108211748A (en) * 2018-03-27 2018-06-29 陕西大秦环境科技有限公司 A kind of desulfurization white-smoke-removing device and technique

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