KR200153063Y1 - Rapid Heat structure of Heated Catalytic Converter with Exhaust Gas - Google Patents

Rapid Heat structure of Heated Catalytic Converter with Exhaust Gas Download PDF

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Publication number
KR200153063Y1
KR200153063Y1 KR2019960050741U KR19960050741U KR200153063Y1 KR 200153063 Y1 KR200153063 Y1 KR 200153063Y1 KR 2019960050741 U KR2019960050741 U KR 2019960050741U KR 19960050741 U KR19960050741 U KR 19960050741U KR 200153063 Y1 KR200153063 Y1 KR 200153063Y1
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KR
South Korea
Prior art keywords
exhaust gas
gas purifying
purifying apparatus
exhaust
pipe
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Application number
KR2019960050741U
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Korean (ko)
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KR19980037699U (en
Inventor
손기영
Original Assignee
양재신
대우자동차주식회사
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Priority to KR2019960050741U priority Critical patent/KR200153063Y1/en
Publication of KR19980037699U publication Critical patent/KR19980037699U/en
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Publication of KR200153063Y1 publication Critical patent/KR200153063Y1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/001—Gas flow channels or gas chambers being at least partly formed in the structural parts of the engine or machine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
    • F01N2410/03—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device in case of low temperature

Abstract

본 고안은 배기가스정화장치에 관한 것으로서, 특히 배기가스정화장치를 감싸는 외부캔을 구성하고, 이 외부캔의 내부로 정화되어 배출되는 배기가스가 유입되도록 배기관과 상기 외부캔을 연결하는 유입관을 구성하여 배기가스의 열량으로 배기가스정화장치를 급속이 예열시켜 엔진 초기 시동시 정화효율을 향상하도록 한 것이다.The present invention relates to an exhaust gas purifying apparatus, and in particular, constitutes an outer can surrounding the exhaust gas purifying apparatus, and includes an inlet pipe connecting the exhaust pipe and the outer can so that the exhaust gas purged into the outer can is introduced. In this way, the exhaust gas purifying device is preheated rapidly by the heat quantity of the exhaust gas to improve the purification efficiency at the initial start of the engine.

Description

배기가스 정화장치의 급속 예열구조{Rapid Heat structure of Heated Catalytic Converter with Exhaust Gas}Rapid Heat Structure of Heated Catalytic Converter with Exhaust Gas}

본 고안은 배기가스정화장치에 관한 것으로서, 특히 배기가스정화장치를 감싸는 외부캔을 구성하고, 이 외부캔의 내부로 정화되어 배출되는 배기가스가 유입되도록 배기관과 외부캔을 연결하는 유입관을 구성하여 배기가스의 열량으로 배기가스정화장치를 급속이 예열시켜 엔진 초기 시동시 정화효율을 향상하도록 하는데 그 목적이 있다.The present invention relates to an exhaust gas purifying apparatus, and in particular, constitutes an outer can surrounding the exhaust gas purifying apparatus, and constitutes an inlet pipe connecting the exhaust pipe and the outer can so that the exhaust gas purged into the outer can is discharged. Therefore, the purpose of the present invention is to rapidly preheat the exhaust gas purifying apparatus with the heat quantity of the exhaust gas so as to improve the purification efficiency at the initial start of the engine.

종래는 도 1과 같이 고온/고압의 배기가스를 배기가스정화장치(1)로 유입 및 배출하는 배기관(2)과, 상기 배기가스정화장치(1)의 내부에서 배기가스와 화학반응을 일으키도록 Pt(백금), Pcl(로듐), Rh(팔라듐)과 같은 귀금속이 피막된 담채(3)로 구성된다.Conventionally, as illustrated in FIG. 1, the exhaust pipe 2 for introducing and discharging high-temperature / high pressure exhaust gas into the exhaust gas purifying apparatus 1 and the chemicals react with the exhaust gas in the exhaust gas purifying apparatus 1. It consists of a tint (3) coated with precious metals such as Pt (platinum), Pcl (rhodium) and Rh (palladium).

이와 같이 구성되어 실린더(미도시) 내부에서 연소된 고온/고압의 배기가스가 배기관(2)을 통해 배기가스정화장치(1)로 유입되고, 유입된 배기가스는 담채(3)에 피막된 귀금속과의 산화/환원의 화학반응을 거친후 배기관(2')을 통해 빠져나가면서 배기가스에 포함된 유해물질을 정화한다.The high-temperature / high-pressure exhaust gas combusted in the cylinder (not shown) is thus introduced into the exhaust gas purifying apparatus 1 through the exhaust pipe 2, and the introduced exhaust gas is a precious metal coated on the tin plate 3. After the oxidation / reduction chemical reaction with and exits through the exhaust pipe (2 ') to purify the harmful substances contained in the exhaust gas.

이때, 배기가스와의 화학반응으로 유해가스를 정화하는 담채(3)는 일정한 온도(약 400∼450℃)로 상승하여 예열된 후에 원할한 화학반응을 일이키는 특성을 지니고 있어, 엔진의 초기시동시에는 일정한 시간이 경과되어 담체(3)가 온도 상승된 이후부터 배기가스의 정화기능을 효과적으로 수행하게 된다.At this time, the tin (3) to purify the harmful gas by the chemical reaction with the exhaust gas has the characteristic of causing a smooth chemical reaction after warming up to a constant temperature (about 400 ~ 450 ℃), the initial stage of the engine At the time of start-up, since the predetermined time has elapsed and the carrier 3 is raised in temperature, the exhaust gas purification function is effectively performed.

따라서, 예열전단계까지는 배기가스의 정화기능이 미력하여 정화되지 않은 상태의 배기가스가 대기중으로 배출되는 문제점을 안고 있다.Therefore, there is a problem that the exhaust gas of the unpurified state is discharged into the atmosphere due to the poor purification function of the exhaust gas until the preheating stage.

본 고안은 상기한 문제점을 감안한 것으로, 정화되어 배출되는 배기가스의 열량으로 배기가스정화장치를 조속히 예열하도록 정화장치를 감싸는 외부캔을 구성하고,The present invention has been made in view of the above-mentioned problems, and constitutes an outer can surrounding the purification device so as to preheat the exhaust gas purification device as quickly as the amount of exhaust gas purged and discharged.

이 외부캔의 내부로 정화되어 배출되는 배기가스가 유입되도록 배기관과 상기 외부캔을 연결하는 유입관을 구성하는데 있다.It is to configure an inlet pipe connecting the exhaust pipe and the external can so that the exhaust gas purified and discharged into the outer can.

도 1은 배기관상에 구성된 종래 배기가스정화장치의 개략도.1 is a schematic diagram of a conventional exhaust gas purifying apparatus configured on an exhaust pipe;

도 2는 본 고안으로서, 배기관과 배기가스정화장치에 연결된 유입관의 구성을 보인 개략도.Figure 2 is a schematic view showing the configuration of the inlet pipe connected to the exhaust pipe and the exhaust gas purifying apparatus according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

101 : 배기가스정화장치 102,102' : 배기관101: exhaust gas purification device 102,102 ': exhaust pipe

103 : 외부캔 104 : 유입관103: outer can 104: inlet pipe

105 : 구멍105: hole

본 고안인 배기가스정화장치의 급속예열구조를 첨부한 도면을 참고로 이하에서 설명한다.The rapid preheating structure of the exhaust gas purifying apparatus of the present invention will be described below with reference to the accompanying drawings.

도 2와 같이 고온/고압의 배기가스를 배기가스정화장치(101)로 유입 및 배출하는 배기관(102,102')과, 상기 배기가스정화장치를 감싸는 외부캔(103)과, 상기 외부캔(103) 내부로 배기가스정화장치(101)에서 정화되어 배출되는 배가가스를 유입하도록 배기관(102')과 외부캔(103)을 연결하는 유입관(104)으로 구성한다.Exhaust pipes 102 and 102 'for introducing and discharging high-temperature / high pressure exhaust gas into the exhaust gas purifying apparatus 101, an outer can 103 surrounding the exhaust gas purifying apparatus, and the outer can 103 as shown in FIG. It consists of an inlet pipe (104) connecting the exhaust pipe (102 ') and the outer can (103) so that the exhaust gas purified and discharged from the exhaust gas purifying apparatus (101) flows inside.

미설명부호 105는 외부캔(103)성한 구멍이다.Reference numeral 105 is a hole formed in the outer can 103.

이와 같이 구성한 본 고안은 실린더(미도시) 내부에서 연소된 배기가스가 배기관(102)을 통해 배기가스정화장치(101)로 유입되고, 유입된 배기가스는 배기가스정화장치(101)의 내부에서 화학반응을 거쳐 배기관(102')을 통해 배출된다.According to the present invention configured as described above, the exhaust gas combusted in the cylinder (not shown) is introduced into the exhaust gas purification apparatus 101 through the exhaust pipe 102, and the introduced exhaust gas is introduced into the exhaust gas purification apparatus 101. It is discharged through the exhaust pipe 102 'through a chemical reaction.

이때, 정화되어 배출되는 배기가스의 일부는 유입관(10)4을 따라 외부캔(103)으로 유입되어 외부캔(103) 내부를 순환하면서 배기가스의 열량으로 배기가스정화장치(101)를 예열하고, 순환하던 배기가스는 외부캔(103)에 형성한 구멍(104)을 통하여 대기중으로 배출된다.At this time, a part of the exhaust gas purged and discharged is introduced into the outer can 103 along the inlet pipe 10, circulating inside the outer can 103, and preheating the exhaust gas purifying apparatus 101 with the heat amount of the exhaust gas. The exhaust gas circulated is discharged to the atmosphere through the hole 104 formed in the outer can 103.

이상에서 설명한 바와 같이 본 고안은 배기가스정화장치에서 정화되어 배출되는 일부의 배기사스를 배기가스정화장치를 예열하는데 사용함으로서, 배기가스의 열량으로 배기가스정화장치를 급속히 예열시켜 엔진의 초기 시동시에 배출되는 배기가스의 정화효율을 높이도록 한 것이다.As described above, the present invention uses a part of exhaust gas purged and discharged from the exhaust gas purifier to preheat the exhaust gas purifier, thereby rapidly preheating the exhaust gas purifier with the heat quantity of the exhaust gas, so that the engine is initially started. It is to increase the purification efficiency of the exhaust gas emitted to.

Claims (1)

배기가스정화장치(101)를 감싸는 외부캔(103)과, 상기 외부캔(103) 내부로 배기가스정화장치(101)에서 정화되어 배출되는 배가가스를 유입되도록 배기관(102')과 외부캔(103)을 연결하는 유입관(104)을 구성한 배기가스정화장치에 있어서,The outer can 103 surrounding the exhaust gas purifying device 101 and the exhaust pipe 102 ′ and the outer can so as to introduce the exhaust gas purified and discharged from the exhaust gas purifying device 101 into the outer can 103. In the exhaust gas purifying apparatus which comprises the inflow pipe 104 which connects 103, 상기 외부캔(103)에는 배기가스의 일부가 이 외부캔(103) 내부로 순환하도록 유입관(104)을 설치하여 배기가스정화장치(101)를 예열하고, 이 배기가스를 상기 외부캔(103) 본체에 형성된 배출구멍(105)를 통해 배출하는 것을 특징으로 하는 배기가스정화장치의 급속예열구조.The outer can 103 is provided with an inlet pipe 104 so that a part of the exhaust gas circulates inside the outer can 103 to preheat the exhaust gas purifying apparatus 101, and the exhaust gas is supplied to the outer can 103. Rapid preheating structure of the exhaust gas purifying apparatus, characterized in that through the discharge hole 105 formed in the main body.
KR2019960050741U 1996-12-18 1996-12-18 Rapid Heat structure of Heated Catalytic Converter with Exhaust Gas KR200153063Y1 (en)

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KR2019960050741U KR200153063Y1 (en) 1996-12-18 1996-12-18 Rapid Heat structure of Heated Catalytic Converter with Exhaust Gas

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KR19980037699U KR19980037699U (en) 1998-09-15
KR200153063Y1 true KR200153063Y1 (en) 1999-08-02

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