Combined heat exchange and fluid mixing equipment
A fluid mixing and combined technology, which is applied in fluid mixers, lighting and heating equipment, gas and gas/steam mixing, etc., can solve the problems of space requirement and high production cost, so as to reduce production and manufacturing costs and save space, material cost and weight reduction effects
Active Publication Date: 2017-06-20
BOSAL EMISSION CONTROL SYST
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Problems solved by technology
Unfortunately, such systems include several separate components that require space and have high production costs, such as separate fluid mixers and separate heat exchangers
Method used
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Embodiment Construction
[0055] exist figure 1 In , an embodiment of a plate heat exchanger and a fluid mixer is shown. The three plates 1 , 2 , 3 are arranged next to each other in a face-to-face manner. The plates 1 , 2 , 3 are separated by spacers 41 , 42 , 43 , 51 forming gaps 4 , 5 between these plates. A first gap 4 is formed between the first plate 1 and the second (middle) plate 2 and a second gap 5 is formed between the second plate 2 and the third plate. The second gap 5 forms a second duct 55 arranged for guiding hot gas (the direction of flow of the hot gas is indicated by a deep arrow 56 ), for example hot air, through the second duct 55 . The first gap 4 is divided into an upper portion and a lower portion by a spacer 43 . The upper part of the first gap 4 forms a first duct 44 arranged for guiding a cold fluid, for example cold air (the flow direction of the cold fluid is indicated by a long shallow arrow 49 ) through this first gap 4 . The second plate 2 is a heat conducting plate...
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A combined heat exchange and fluid mixing device comprising a first conduit for conducting a cold fluid therethrough and a second conduit for directing a hot gas therethrough. A heat conducting element is arranged between the first conduit and the second conduit to conduct heat from the hot gas to the cool fluid. The heat conducting element has a length defining a maximum longitudinal extension for a heat exchange process in the device. The device also includes a third conduit for conducting the expelled fluid. The third conduit comprises an exhaust fluid inlet for introducing the exhaust fluid into the apparatus for mixing the exhaust fluid with the hot gas and chemically reacting the exhaust fluid / hot gas mixture thus formed in the second conduit. The third conduit is provided with one or more openings for the discharge fluid to enter the second conduit. The one or more openings are arranged within the maximum longitudinal extension for the heat exchange process in the device and at substantially the same longitudinal position relative to the second duct.
Description
technical field [0001] The present invention relates to the field of combined heat exchange and fluid mixing devices. Background technique [0002] Fluid mixers are well known, for example in the field of exhaust systems of motor vehicles. To enable the exhaust gas to undergo a catalytic reaction in the catalytic converter, a reducing agent, typically ammonia or urea, is mixed with the exhaust gas. For example in US2002116916, upstream of the catalytic converter, a grid is arranged next to the injection means for injecting the reducing agent. The grid provides an even distribution of the exhaust / reductant mixture. While fluid mixers and catalytic converters in the exhaust system are primarily used to remove harmful components such as nitrogen oxides from the exhaust, the catalytic reaction of the exhaust can also be used to use up the remaining fuel left in the exhaust. The energy efficiency of the system can be increased if the heat of reaction generated in the process i...
Claims
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IPC IPC(8): F28D9/00B01F5/06F01N3/00F01N3/28B01F23/10
CPCB01J19/249H01M8/04022H01M8/04074B01J2219/2453B01J2219/2462B01J2219/247H01M2008/1293F28D2021/0043F28D2021/0052C01B3/386C01B2203/0261C01B2203/066B01J2219/2474B01J2219/2479B01J2219/2496F28C3/02F28C3/06F28D9/0062B01F23/10B01F25/12B01F2035/98B01F35/92F28D1/00F01N3/2892
Inventor Y·德沃斯F·沃兰特斯J-P·H·汉森斯
Owner BOSAL EMISSION CONTROL SYST