Device and method for cooling and dedusting tail gas of marine diesel engine

A technology of marine diesel engine and dust removal device, which is applied in the direction of combination device, separation method, chemical instrument and method, etc., can solve the problems of high cost, complicated equipment and high smoke and dust content, and achieves small waste solid discharge, strong scouring and self-cleaning. effect, high efficiency

Active Publication Date: 2019-09-17
NANJING TACHUAN CHEM EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] This application provides a marine diesel engine tail gas cooling and dust removal device and method, which solves the technical problems of complex equipment, high smoke and dust content, and high cost in the existing marine diesel engine tail gas cooling and dust removal method, so that the exhaust gas of marine diesel engines can be discharged up to the standard

Method used

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  • Device and method for cooling and dedusting tail gas of marine diesel engine
  • Device and method for cooling and dedusting tail gas of marine diesel engine
  • Device and method for cooling and dedusting tail gas of marine diesel engine

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Embodiment 1

[0033] as attached figure 1 As shown, a marine diesel engine tail gas cooling and dust removal device is composed of a submersible pump 1, a rotating bed dust collector 2, an adsorption tank 3, an oil-water separation tank 4, a circulating water pump 5 and a cooling jacket 6. The submersible pump 1 is installed on one side of the hull, the suction port of the submersible pump 1 is provided with a filter, and the submersible pump 1 is connected with the rotary bed dust collector 2 and the cooling sleeve 6 by telescopic hoses and fixed flanges; The rotary bed deduster 2 is installed on the side of the oil extraction machine chimney, such as figure 2 , 3As shown, the rotary bed dust collector 2 is composed of a motor 7, a shaft coupling 8, a bearing 9, a mechanical seal ring 10, a housing 11, a rotor 12, an end cover 13, a static ring 14, a feed nozzle 15, a frame 16. The rotating shaft 17 is composed of the motor 7 and the rotor 12 connected together by a coupling 8 to drive...

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Abstract

The application discloses a device and a method for cooling and dedusting the tail gas of a marine diesel engine, relates to the technical fields of cooling, dedusting and purifying of the tail gas of the marine diesel engine, and belongs to an energy-saving and environment-friendly cooling and dedusting treatment technology for the tail gas of the marine diesel engine. The technical principle is as follows: a revolving bed dust collector is adopted, fluid needs to be distributed once again when passing through a group of dynamic ring-static ring every time in a flowing process, and the redistribution is equivalent to a series connection of multiple end effect areas in the revolving bed dust collector, so that the mixing and mass transfer processes are further strengthened. Furthermore, the fluid between a stator and a rotor is subjected to high shear action, and dust in gas is highly dispersed into tiny drops of liquid, so that the mixing effect of the dust and water drops is enhanced, and the problem that the dust with particle size of less than 1.0mu m cannot be captured is solved.

Description

technical field [0001] The invention belongs to the field of environmental protection, in particular to the technical field of exhaust gas cooling, dust removal and purification of marine diesel engines, in particular to a device and method for cooling and dust removal of exhaust gas of marine diesel engines. Background technique [0002] The exhaust gas emitted by the combustion of marine diesel engines is a heterogeneous system composed of solid particles, gases, and liquid droplets. The particulate matter PM, sulfur dioxide, SO 2 , Nitrogen oxide NO 2 , carbon monoxide CO, and hydrocarbons HC, the particle size distribution of general particulate matter PM is between 0.01 and 1.0 μm, the discharge temperature is 230-550°C, the discharge pressure is 2500-6000Pa, and the dust content of exhaust gas is 20-100mg / N m 3 . [0003] Taking the exhaust gas technical parameters of the engine of an 800-ton self-unloading sand carrier as an example, the description is as follow...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D50/00B01D47/08B01D53/02
CPCB01D47/08B01D53/02B01D2258/012B01D50/40
Inventor 蒋永中
Owner NANJING TACHUAN CHEM EQUIP CO LTD
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