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Installation structure of marine HPSCR auxiliary system

An auxiliary system and installation structure technology, applied in the field of ships, can solve the problems of increasing structural layout, wiring, and numerous electrical components, so as to achieve the effects of easy operation and maintenance, simplified assembly, and reduced number

Inactive Publication Date: 2019-12-13
HUDONG HEAVY MACHINERY
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  • Claims
  • Application Information

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Problems solved by technology

[0008] The above-mentioned soot blowing system, ventilation system and heat tracing system all need to be connected to the control system to control them. The above-mentioned systems contain a large number of electrical components. If they are installed separately, it will increase the difficulty of structural layout and wiring.

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  • Installation structure of marine HPSCR auxiliary system
  • Installation structure of marine HPSCR auxiliary system

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention cannot be limited by this.

[0023] The marine HPSCR auxiliary system includes a reactor (SCR-CS), a soot blowing system, a ventilation system and a heat tracing system. The main components of the soot blowing system are the control cabinet, the soot blowing pipeline and the soot blowing valve arranged on the reactor, the pressure sensor of the soot blowing gas source and the differential pressure sensor of the reactor. The main components of the ventilation system are the control cabinet, the ventilation valve and the ventilation pipeline, and the differential pressure sensor of the SCR system. The main components of the heat tracing system are the control cabinet, the heating wire wrapped on the reactor cylinder, and the temperature sensor on the reactor.

[0024] see figure 1 , The installati...

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Abstract

Disclosed is an installation structure of a marine HPSCR auxiliary system. The marine HPSCR auxiliary system comprises a reactor, a soot blowing system, a ventilation system and a heat tracing system,and the installation structure is characterized by comprising an SCR auxiliary system control box, an intermediate junction box and a heat tracing execution box; the SCR auxiliary system control boxintegrates a control system of the soot blowing system, the ventilation system and the heat tracing system, receives an instruction of the SCR-CS for controlling the operation of the soot blowing system, the ventilation system and the heat tracing system and feeding back a fault alarm; the intermediate junction box is installed on the reactor and is used for connecting the SCR auxiliary system control box with electrical elements, installed on the reactor, of the soot blowing system, the ventilation system and the heat tracing system; and the heat tracing execution box is installed on the reactor and is used for wiring a working circuit of the heat tracing system so as to be separated from a control circuit of the heat tracing system. According to the installation structure of the marine HPSCR auxiliary system, the system integration degree is improved, the equipment cost is reduced, the working space is reduced, the system is convenient to operate and maintain, and the operation efficiency and the safety of the system are improved.

Description

technical field [0001] The invention relates to a marine diesel engine HPSCR auxiliary system, in particular to an installation structure of a marine HPSCR auxiliary system, and belongs to the technical field of ships. Background technique [0002] With the development of international trade and shipping, the pollution of marine diesel engines fueled by petroleum products is becoming more and more serious to the current environment. The International Maritime Organization (IMO) stipulates that the third stage (Tier III) NOx emission regulations will be implemented in the NOx emission control area from January 1, 2016. In order to meet Tier III standards, ships must be equipped with exhaust gas treatment devices. [0003] Marine SCR (Selective Catalytic Reduction Reaction) technology is considered to be the most effective measure to reduce NOx emissions at present, and its emission reduction efficiency can reach more than 90%. SCR is an exhaust aftertreatment strategy used ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N9/00F01N3/20
CPCF01N3/2013F01N3/2066F01N3/2093F01N9/00Y02T10/12Y02T10/40
Inventor 徐俊郭江峰侯春国魏亮
Owner HUDONG HEAVY MACHINERY
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