Mounting structure for mounting SCR catalyst unit shell
A technology of SCR catalyst and unit shell, which is applied in the direction of muffler device, exhaust device, engine components, etc., can solve the problems of inconvenient disassembly, complex structure, poor sealing performance, etc.
Pending Publication Date: 2021-01-15
CSSC POWER INST CO LTD
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Problems solved by technology
In order to ensure the full reaction of the catalytic reduction process, it is necessary to ensure the sealing between the shell of the SCR catalyst unit and the reactor shell. In the existing structure, either the sealing performance is not good, or the structure is complicated, and it is not easy to disassemble.
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[0036] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.
[0037] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two ...
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The invention discloses a mounting structure for mounting a SCR catalyst unit shell. The mounting structure comprises a reactor shell and the SCR catalyst unit shell arranged in the reactor shell, wherein the front end and the rear end of the reactor shell are both open, first plate-shaped connecting parts extending forwards are arranged on the periphery of the front end of the SCR catalyst unit shell, second plate-shaped connecting parts extending forwards are arranged on the periphery of the front end of the reactor shell, and the inner sides of the second plate-shaped connecting parts are attached to the outer sides of the first plate-shaped connecting parts. First connecting holes are formed in the first plate-shaped connecting parts, second connecting holes are formed in the second plate-shaped connecting parts, and bolts penetrate into the first connecting holes and the second connecting holes so that the SCR catalyst unit shell can be connected with the reactor shell. At least one of the first connecting holes and the second connecting holes are kidney-shaped holes. The mounting structure for mounting the SCR catalyst unit shell is simple in structure, convenient to disassemble and assemble, good in sealing performance and low in cost.
Description
technical field [0001] The invention relates to the technical field of exhaust gas treatment, in particular to an installation structure for installing an SCR catalyst unit casing. Background technique [0002] Marine engines are mainly diesel engines, but the emissions from marine diesel engines are likely to cause pollution and damage to the environment. At present, SCR (Selective Catalytic Reduction, Selective Catalytic Reduction) technology is recognized by the International Maritime Organization as one of the most effective ways to reduce nitrogen oxide emissions in exhaust gas. The principle is that under the action of the catalyst, the reducing agent and the nitrogen oxides in the exhaust gas undergo a catalytic reduction reaction, and the nitrogen oxides that damage the environment are converted into nitrogen and water. [0003] During use, the SCR catalyst unit is installed into the housing to form a large housing unit, and the large housing unit is installed into ...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F01N3/28F01N3/20F01N13/18
CPCF01N3/28F01N3/2066F01N13/18Y02T10/12
Inventor 李孝连周秀亚
Owner CSSC POWER INST CO LTD