M330359 八、新型說明： 【新型所屬之技術領域】 本創作涉及一種機車排氣管之保溫裝置，特別是在機 車引擎之廢氣排放管道内設置隔熱材，㉟而能對廢氣耕放 管道内受觸媒加溫之廢氣產生保溫作用的裝置技播/。” 【先前技術】 ；τ ‘ 為了迎合愈趨嚴格的廢氣排放標準，坊間業者皆合在 機車引擎之廢氣排放管道上設置觸媒轉化器，它是^二金 >屬筒體内披覆觸媒而成，該觸媒通t含杨疋、、 姥(Rh)等責金屬元素，其中別及朽元素 害的C0及HC氧化成無害的c〇ah=於^廢乱中有 於將廢氣中有害的ΝΟχ(氮氧化物)還二 據氣，減輕廢氣對外界空氣：=^^ 燒^全而產生過多有害的廢氣；然^^ 料燃 化益之觸媒需借助引擎廢氣的高溫 劫上逑觸媒轉 1媒溫度達到其工作溫度時，並於該觸 及還原反應；因此，該觸__=^擎廢氣進行氧化 -上==排揭露有在上述 廢氣能先與廢氣排放管 痛媒的技術，致使 進而在弓丨 ^擎產生加溫作用’ 溫度；惟其缺點在於，引擎„之觸媒快速達到工作 '廢乳在進入觸媒轉化器之前會 5 M330359 先與廢氣排放管道外的冷空氣進行熱交換作用，進而降低 廢氣溫度，已造成廢氣在進入觸媒轉化器之前的保溫能力 欠佳的問題，故亟需加以改善。 【新型内容】 -種tf術中的問題，本創作之目的旨在提供 種機車排μ之保溫裝置，能在機 廢氣排放管道内受觸媒知、”麻灰太 擎初啟動寸對其 引擎初啟動日士“, $ 尾乳產生保溫作用，進而在 U /觸媒轉化器中觸媒快速達到工作溫度。 為只鲛上述目的，本創作機車排氣管之 含於引擎排氣歧管與消音器之間設—排 内設至少i媒轉化器，其技術特徵為： 觸媒’且排氣前管之-内壁面的 隔熱材’對畔中受觸媒加溫之贱產生保溫作用^一 媒==在引擎初啟動時加溫觸媒轉化器中觸 媒!·夬速達^作溫度，進而提升_#化 中有害物質的能力。 ％ 廢乳 此外，上述内管之内壁面上亦可未披覆能 用的觸媒，而僅使频熱材對㈣中之廢氣產生保= :作：J在引擎初啟動時加溫觸媒轉化器中觸媒快速達到 除此之外，本創作也包含： 所述引擎排氣歧管或排氣前管連接—供給二次空氣的 睛翏閱圖1所示M330359 VIII. New description: [New technical field] This creation involves a thermal insulation device for the locomotive exhaust pipe, especially in the exhaust pipe of the locomotive engine, which is provided with heat-insulating materials, 35 The device for heating the catalyst to heat the exhaust gas. [Previous technology]; τ ' In order to cater to the increasingly strict emission standards, the workshops are all equipped with a catalytic converter on the exhaust pipe of the locomotive engine, which is a two-gold > It is made of the medium, and the catalyst contains T, Yang, and Rh (Rh) and other metal elements. Among them, C0 and HC which are harmful to the elements are oxidized into harmless c〇ah= The harmful bismuth (nitrogen oxides) is also based on the gas, which reduces the exhaust gas to the outside air: =^^ burns and produces too much harmful exhaust gas; however, the catalyst for the fuelization of the fuel needs the high temperature of the engine exhaust When the temperature of the upper catalyst reaches the working temperature, the contact reaction is reached; therefore, the contact __=^ engine exhaust gas is oxidized-up == the row is exposed, and the exhaust gas can first be associated with the exhaust pipe The technology of the media causes the temperature to increase the temperature in the bow; however, the disadvantage is that the engine „the catalyst quickly reaches the working'. The waste milk will be 5 M330359 before entering the catalytic converter. Cold air exchanges heat to reduce exhaust gas temperature , Has resulted in the problem of poor waste gas before it enters the catalytic converter insulation capability, it need to be improved. [New content] - The problem of tf surgery, the purpose of this creation is to provide a thermal insulation device for the locomotive row μ, which can be known by the catalyst in the exhaust pipe of the machine. Start the Japanese ", $ milk to create a thermal insulation effect, and then in the U / catalytic converter, the catalyst quickly reaches the working temperature. For the above purposes, the locomotive exhaust pipe of the present locomotive is provided between the engine exhaust manifold and the muffler. At least one medium converter is provided in the row, and the technical features are: a catalyst 'and a front exhaust pipe -Insulation material on the inner wall's heat preservation effect on the temperature of the catalyst in the middle of the tank ^A medium ==In the initial start of the engine, the catalyst in the catalyst converter is heated! _# Ability to treat harmful substances. % Waste milk In addition, the inner wall surface of the inner tube may not be covered with a usable catalyst, and only the exhaust gas in the (4) of the frequency hot material is produced: =: J is heated at the initial start of the engine. In addition to the catalyst in the converter, the creation also includes: The engine exhaust manifold or the exhaust pipe connection - the eye supply of secondary air is shown in Figure 1.
M330359 供應官，且内管係設於供應管後方的排氣前管内。 然而，為能再加詳述本創作，併予列舉出較佳實施 請配合參照圖式而詳細說明如後述·· ， 【實施方式】 叫小m不剧弟一歇貫施例的判 圖二兒明本創作機車排氣管之保溫裝置，包含於= ΪΪΪ ^排氣歧管11與消音器2之間設-排氣前管3 々曰 内設至少—觸媒轉化器5,其中： 消音哭St化I係㉘由排氣前f 3與—連接管3。串接於 /月曰态2内，且觸婵糙〆 坎％ (Rh)等觸媒。〃盗5内披覆有鈀㈣、鉑(Pt)、铑 管ηΓρ；?魏環iA’本㈣係在減前管3内設—内 二(如圖2所示)’以導?1引擎丨廢氣 ： 氣接觸而產生力^作用ΐΤ内壁面Η上披覆有-層可與廢 壁面管I； 且排氣前管3之—内 7,能對内管6中 卜^ 62之間設有—層環狀隔熱材 又啁媒8加溫之廢氣產生保溫作用。 =更加具體的實施上，本創作也包含： 氣的供=或排氣前管3連接-供給二次空 後方的排氣前管3。内.二所二）’且内管6係設於供應管4 氣前管3、内管6與排^^空=精由引擎1運轉時在排 為動力源，以便導引一：支“1内所生成之間歇性負壓作 氣前管3及消4 2 ^人空氣經由供應管4持續供應至排 7 依據上述配置，可供據以實施本創作，特別是當引擎工 冷車初啟動運轉時，引擎廢氣會經由排氣歧管Η導入内管 6中（如圖3所示），並與觸媒8發生氧化反應而產生高溫，M330359 Supply officer, and the inner pipe is located in the exhaust front pipe behind the supply pipe. However, in order to further detail the present creation, and to cite a preferred embodiment, please refer to the following description in detail with reference to the drawings. [Embodiment] A small m is not a drama. The heat preservation device of the locomotive exhaust pipe of the present invention is included in the = ΪΪΪ ^ between the exhaust manifold 11 and the muffler 2 - the exhaust front pipe 3 is provided with at least a catalytic converter 5, wherein: the muffler The crying St I system 28 is connected to the tube 3 by the front f 3 and the exhaust. It is connected in series in / month state 2, and it touches the catalyst such as Rough. The bandit 5 is covered with palladium (tetra), platinum (Pt), and 铑 Γ Γ ;; Wei ring iA' (4) is set in the lower tube 3 - the inner two (as shown in Figure 2)丨Exhaust gas: gas contact generates force ^ action ΐΤ inner wall surface 披 coated with - layer can be combined with waste wall tube I; and exhaust pipe 3 - inside 7, can be set between the inner tube 6 The layered annular heat-insulating material and the exhaust gas of the medium 8 are heated to provide heat preservation. = More specific implementation, this creation also includes: gas supply = or exhaust front pipe 3 connection - supply secondary air rear exhaust front pipe 3.内.二二二)' and the inner tube 6 is installed in the supply tube 4, the gas front tube 3, the inner tube 6 and the row ^^ empty = fine when the engine 1 is running as a power source, so as to guide one: the branch The intermittent negative pressure generated in 1 is used as the front pipe 3 and the air is continuously supplied to the row 7 via the supply pipe 4. According to the above configuration, the creation can be implemented according to the above, especially when the engine is cold-rolled. When starting the operation, the engine exhaust gas is introduced into the inner tube 6 via the exhaust manifold (as shown in FIG. 3), and is oxidized with the catalyst 8 to generate a high temperature.
用連接官3G導引南溫廢氣進人消纟器2 θ，並㉟過觸媒轉 =器5，以加溫觸媒轉化器5中之觸媒快速達到工作溫度， 藉以淨化廢氣巾的有害物f ;據此，本創作能在機車引擎i 初啟動時對其廢氣排放管道（即排氣前管3)内受觸媒8加 溫之廢氣產生保溫作用，藉以加溫觸媒轉化器5中觸媒快 速達到工作溫度，進而提升觸媒轉化器5有效淨化廢氣中 有害物質的能力。 M330359 所述隔熱材7在本實施上可為三氧化二鋁（Al2〇3)、二 氧化鈦（Τι〇2)、氧化鎂（MgO)、二氧化矽（Si〇2)或氧化 鈣（CaO)等。 且一次空氣忐藉由内管6與排氣歧管丨丨内之間歇性負壓作 用力，=經由供應管4持續導人内管6中，以供應充足的 氧與内I 6中之引擎廢氣混合，可促進該廢氣與觸媒8發 生氧化反應的效率，並進一步提升廢氣產生高溫的效率； 在此期間，隔熱材7能降低内管6中受觸媒8加溫之廢氣 與排氣前管3外冷空氣進行熱交換的效率，進而能對内管6 中之廢氣產生保作用，藉以確保廢氣的溫度；隨後，利 此外，上述内管6之内壁面61上亦可未彼覆能產生加 f 2用的觸媒(如圖5所示)，其餘構件組成等同於上述第一 款實施例；據此，排氣前管3能僅使用隔紐7對内管6 :之ί氣產生保溫作用，亦能在引擎1初啟動時加溫觸媒 ^化器5巾㈣快速麵丄作溫度，其餘實施方式等同於 8 M330359 上述第一款實施例。Use the connecting official 3G to guide the south temperature exhaust gas into the eliminator 2 θ, and 35 through the catalytic converter = 5, to quickly reach the working temperature by the catalyst in the heating catalyst converter 5, thereby purifying the harmfulness of the exhaust towel According to this, the creation can maintain the heat preservation effect of the exhaust gas heated by the catalyst 8 in the exhaust gas discharge pipe (ie, the exhaust pipe 3) at the initial start of the locomotive engine i, thereby heating the catalytic converter 5 The medium catalyst quickly reaches the working temperature, thereby improving the ability of the catalytic converter 5 to effectively purify harmful substances in the exhaust gas. M330359 The heat insulating material 7 may be aluminum oxide (Al2〇3), titanium dioxide (Τι〇2), magnesium oxide (MgO), cerium oxide (Si〇2) or calcium oxide (CaO) in this embodiment. Wait. And the primary air enthalpy is intermittently pressed by the inner tube 6 and the exhaust manifold, and is continuously guided into the inner tube 6 via the supply tube 4 to supply sufficient oxygen and the engine in the inner I 6 The exhaust gas mixture can promote the efficiency of the oxidation reaction between the exhaust gas and the catalyst 8, and further improve the efficiency of the high temperature of the exhaust gas; during this period, the heat insulating material 7 can reduce the exhaust gas and the exhaust of the inner tube 6 heated by the catalyst 8. The heat exchange efficiency of the cold air outside the gas front pipe 3 can further protect the exhaust gas in the inner pipe 6 to ensure the temperature of the exhaust gas; subsequently, the inner wall surface 61 of the inner pipe 6 may or may not be The coating can generate a catalyst for adding f 2 (as shown in FIG. 5 ), and the remaining components are equivalent to the first embodiment described above; accordingly, the exhaust front tube 3 can use only the barrier 7 to the inner tube 6 : The qi gas has a heat-insulating effect, and can also be heated at the initial start of the engine 1 to increase the temperature of the catalyst (4), and the rest of the embodiment is equivalent to 8 M330359.
閱圖6所示，揭示出本創作第二款實施例的剖示 圖，^明在機車二行程引擎la之排氣歧* 11a與消音器2a ，間认排氣‘官3a，且排氣歧管na連接一供給二次空 氣的t、應g 4a ’並於消音器2a内之排氣前管^末端設至 =-，媒轉化器5a，且供應管如後方之排氣前管3a内設 _内& 6a (配合圖7所示），以導引引擎la廢氣進入消音 為内’内管6a之一内壁面61a上彼覆有一層可與廢氣接 觸而產生加溫作用的環狀觸媒8a，且排氣前管3a之-内壁 面31a與内# 6a的一外壁自—之間設有一環狀隔熱材 ^據此利用卩网熱材對内管6a中受觸媒8a加溫之廢 氣產生保酿作用，致使廢氣能在引擎“初啟動時加溫觸媒 Μ匕為5a中觸媒快速達到卫作溫度，進而提升觸媒轉化器 5a有效淨化廢氣中有害物質的能力。 —μ而，以上僅為本創作之較佳實施例而已，並非用以 限疋本創作之申請專利範圍，凡其他未脫離本創作所揭示 ，精神下而完成料效修飾或置換，均應包含於後述之 清專利範圍内。 【圖式簡單說明】 圖1 :揭示出本創作第一款實施例的剖示圖。 圖2 :揭示出圖1的局部放大圖。 圖3 :揭示出本創作第—款實施例的使用狀態圖。 圖4:揭示出本創作第一款實施例的另一剖示圖。 圖5 :揭示出本創作第一款實施例的又一剖示圖。 9 M330359 圖6 :揭示出本創作第二款實施例的剖示圖 圖7 :揭示出圖6的局部放大圖。 【主要元件符號說明】 1 > la ..... ……引擎 11 、11a ----- ——排氣歧管 2、 2a ..... _……消音器 3、 3a …一 _……排氣前管 30 •......連接管 31 、31a、61、61a ----- -.....内壁面 4、 4a ..... -------供應管 5、 5a —— -------觸媒轉化器 6、 6a ----- -------内管 62 、62a ----- -------外壁® 7、 7a …… -------隔熱材 8、 8a ..... ……觸媒Referring to FIG. 6, a cross-sectional view of the second embodiment of the present invention is disclosed, and the exhaust damper 11a and the muffler 2a of the locomotive two-stroke engine la are recognized, and the exhaust gas is officially 3a, and exhausted. The manifold na is connected to a supply of secondary air t, should be g 4a 'and is disposed at the end of the exhaust pipe in the muffler 2a to the =-, the medium converter 5a, and the supply pipe is as the exhaust front pipe 3a The inner _ inner & 6a (shown in Fig. 7) is provided to guide the engine la exhaust gas into the muffler inner portion. The inner wall surface 61a of the inner tube 6a is covered with a ring which can be heated to contact with the exhaust gas to generate a heating effect. The catalyst 8a is provided, and an annular heat insulating material is disposed between the inner wall surface 31a of the exhaust front pipe 3a and the outer wall of the inner #6a, and accordingly, the catalyst in the inner pipe 6a is used by the hot material of the mesh. The exhaust gas of 8a is used to maintain the brewing effect, so that the exhaust gas can quickly increase the temperature of the catalyst in the 5a when the engine is initially activated, thereby improving the catalytic converter 5a to effectively purify the harmful substances in the exhaust gas. Capability - μ, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the patent application of this creation. Except as disclosed in the present disclosure, the modification or replacement of the material effect should be included in the scope of the patents described later. [Schematic Description] FIG. 1 is a cross-sectional view showing the first embodiment of the present invention. Fig. 2 is a partial enlarged view of Fig. 1. Fig. 3 is a view showing a state of use of the first embodiment of the present invention. Fig. 4 is another sectional view showing the first embodiment of the present invention. A further cross-sectional view showing the first embodiment of the present invention. 9 M330359 FIG. 6 is a cross-sectional view showing a second embodiment of the present invention. FIG. 7 is a partial enlarged view of FIG. 6. Explanation of symbols] 1 > la ..... ...engine 11 , 11a ----- - exhaust manifold 2, 2a ..... _... silencer 3, 3a ... a _...... Exhaust pipe 30 •......Connecting pipes 31, 31a, 61, 61a ----- -..... Inner wall surface 4, 4a ..... -------Supply Tube 5, 5a —— -------catalyst converter 6, 6a ----- ------- inner tube 62, 62a ----- ------- outer wall ® 7, 7a ...... -------Insulation material 8, 8a ..... ...... catalyst