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WO2014088149A1 - Appareil permettant de purifier les gaz d'échappement provenant d'un navire - Google Patents

Appareil permettant de purifier les gaz d'échappement provenant d'un navire Download PDF

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Publication number
WO2014088149A1
WO2014088149A1 PCT/KR2012/011805 KR2012011805W WO2014088149A1 WO 2014088149 A1 WO2014088149 A1 WO 2014088149A1 KR 2012011805 W KR2012011805 W KR 2012011805W WO 2014088149 A1 WO2014088149 A1 WO 2014088149A1
Authority
WO
WIPO (PCT)
Prior art keywords
seawater
exhaust gas
housing
supply pipe
inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2012/011805
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English (en)
Korean (ko)
Inventor
김화섭
김남일
이건민
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEWOOM Corp RESEARCH LABORATORY
Original Assignee
SEWOOM Corp RESEARCH LABORATORY
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SEWOOM Corp RESEARCH LABORATORY filed Critical SEWOOM Corp RESEARCH LABORATORY
Publication of WO2014088149A1 publication Critical patent/WO2014088149A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/32—Arrangements of propulsion power-unit exhaust uptakes; Funnels peculiar to vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/02—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for marine vessels or naval applications
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the present invention relates to a ship exhaust gas purifying apparatus, and more particularly, the configuration for purifying ship exhaust gas can be configured simply and cost-effectively, and the circulation treatment without discharging the seawater that has undergone purification work (
  • the present invention relates to a marine exhaust gas purification apparatus capable of minimizing seawater contamination by discharged water.
  • the conventional water scrubber system for the purification of the exhaust gas of a ship is complicated due to the nature of fresh water such as holding tank, make-up tank, chemical addition, etc. This has a high disadvantage.
  • the conventional system uses a method of cleaning and discharging the washing water (sea water) to purify the exhaust gas of the ship, thus causing pollution of the sea water due to the discharge water.
  • Another object of the present invention is to provide a marine exhaust gas purification apparatus capable of minimizing seawater contamination by discharged water by circulating (recycling) the wastewater without purifying the purified water.
  • An object of the present invention is to provide an apparatus for purifying exhaust gas of a ship, comprising: a seawater inlet for introducing seawater; A wet scrubber connected to the seawater inlet and a pipe and configured to discharge the seawater introduced by the seawater inlet and the exhaust gas of the vessel into the outside, and then discharge the exhaust gas purified by the seawater to the outside; And a seawater circulation supply unit for purifying exhaust gas from the wet scrubber and re-supplying the discharged seawater to the wet scrubber, wherein the wet scrubber includes an exhaust gas inlet through which the exhaust gas before purification is introduced, and is purified.
  • a housing provided with an exhaust gas outlet for discharging the exhaust gas, a seawater inlet connected to the seawater inlet, and a seawater outlet for discharging seawater purifying exhaust gas;
  • a main sea water supply pipe disposed inside the housing to supply sea water to the inside of the housing;
  • a plurality of auxiliary seawater supply pipes disposed radially in the end region of the main seawater supply pipe and spraying seawater in a radial form.
  • the exhaust gas inlet pipe communicating with the exhaust gas inlet is inclined more than a predetermined angle and connected in a normal direction so that the exhaust gas moves upward while turning along the inner wall of the housing, and the main sea water supply pipe and the auxiliary sea water supply pipe
  • Each nozzle may be provided with a nozzle for spraying the seawater in a fine droplet state.
  • the plurality of auxiliary seawater supply pipes communicate with the main seawater supply pipe to form a seawater flow path, and may be provided in a radial shape with respect to the cross section of the housing.
  • a fine nozzle may be provided near the exhaust gas discharge port of the housing to secondarily purify the exhaust gas primarily purified by the main sea water supply pipe and the auxiliary sea water supply pipe.
  • a barrier wall may be provided near the exhaust gas outlet of the housing so that the seawater fine droplets containing foreign substances contained in the exhaust gas fall and are discharged to the seawater outlet.
  • a seawater discharge guide may be provided in the lower region of the housing to move seawater to the seawater circulation supply part separately from the seawater discharge port.
  • the housing may include a first housing in which the exhaust gas outlet is provided; A second housing provided with the exhaust gas inlet; And a third housing in which the seawater discharge port is provided is sequentially connected, and the first to third housings may be coupled to each other.
  • the ship exhaust gas purification apparatus which concerns on embodiment of this invention has the following effects.
  • dust collection efficiency of PM, SOx, etc. included in the exhaust gas may be further increased through seawater injection through the main seawater supply pipe, the auxiliary seawater supply pipe, and the fine nozzle.
  • FIG. 1 is a block diagram showing a ship exhaust gas purification apparatus according to an embodiment of the present invention.
  • FIG. 2 is a cutaway perspective view showing a wet scrubber of a ship exhaust gas purifying apparatus according to an embodiment of the present invention.
  • FIG 3 is a cross-sectional view showing the main sea water supply pipe and the auxiliary sea water supply pipe of the wet scrubber of the ship exhaust gas purifying apparatus according to an embodiment of the present invention.
  • FIG. 4 is a plan view showing the arrangement of the auxiliary seawater supply pipe of the wet scrubber of the ship exhaust gas purifying apparatus according to an embodiment of the present invention.
  • FIG. 1 is a configuration diagram showing a marine exhaust gas purification apparatus according to an embodiment of the present invention
  • Figure 2 is a cutaway perspective view showing a wet scrubber of a marine exhaust gas purification apparatus according to an embodiment of the present invention
  • Figure 3 is a present invention 4 is a cross-sectional view illustrating a main seawater supply pipe and an auxiliary seawater supply pipe of a wet scrubber of a ship exhaust gas purification device according to an embodiment of the present invention
  • FIG. 4 is an arrangement of the auxiliary seawater supply pipe of the wet scrubber of the ship exhaust gas purification device according to an embodiment of the present invention. It is a top view which shows a state.
  • the ship exhaust gas purifying apparatus (hereinafter, referred to as purifier) according to an exemplary embodiment of the present invention is a circulating treatment apparatus for reducing pollutants (PM, SOx, etc.) of engine exhaust gas of a small and medium-sized ship, in particular, exhaust gas It is designed to comply with IMO international regulations by preventing sea pollution from purified effluents.
  • the exhaust gas is purified using the principle that the sodium component and the sulfur (S) component in the seawater are combined and reacted with each other.
  • a purifier is a device for purifying exhaust gas of a ship, and includes a seawater inflow unit 100, a seawater inflow unit 100, and piping for introducing seawater. Is connected through, the seawater introduced by the seawater inlet 100 and the exhaust gas of the vessel is introduced into the wet scrubber 200 to discharge the exhaust gas purified by the seawater to the outside, and the wet scrubber 200 After purifying the exhaust gas in the concentration control the discharged seawater is supplied back to the wet scrubber 200 includes a seawater circulation supply unit 300.
  • the seawater inlet 100 is composed of a seawater inlet pipe and a seawater inlet pipe provided on the seawater inlet pipe provided to enable the inflow of seawater (ship ballast water) during operation of the ship.
  • the seawater described below is seawater treated with ozone addition or electrolysis according to the International Maritime Organization (IMO) Ballast Water Management Convention 2004 (BWM Convention).
  • IMO International Maritime Organization
  • BWM Convention Ballast Water Management Convention 2004
  • the bonding with SOx is more activated than existing seawater, which has the advantage of improving the reduction rate of SOx.
  • the seawater inlet 100 includes a seawater storage tank 110 for storing the seawater sucked by the pump described above.
  • the seawater storage tank 110 is connected to the seawater inlet of the wet scrubber 200 through the seawater supply pipe.
  • a separate flow control valve (not shown) is provided in the sea water supply pipe, and the wet scrubber 200 is provided with a level gauge for checking the level of seawater contained therein, and a flow control valve based on the measured value of the level gauge.
  • the degree of opening and closing is adjustable.
  • the seawater supply pipe is connected to a separate purification water storage tank 400 through the pipe.
  • the purified water storage tank 400 stores fresh water, not sea water, and supplies fresh water into the wet scrubber 200 when the purifying device stops operating according to the present embodiment to prevent corrosion of the wet scrubber 200 by sea water. Can increase the lifespan.
  • the wet scrubber 200 is connected to the seawater inlet 100 through a pipe and the exhaust gas purified by seawater after the seawater introduced by the seawater inlet 100 and the exhaust gas of the vessel enters the inside. Will be discharged to the outside. Specific internal configuration of the wet scrubber 200 will be described later.
  • the seawater circulation supply unit 300 is provided to re-supply the wet scrubber 200 by adjusting the concentration of the discharged seawater after purifying the exhaust gas from the wet scrubber 200.
  • the sea water circulation supply unit 300 is connected to the seawater outlet 204 of the wet scrubber 200 through a pipe and a purifier 310 and a purifier 310 connected through a pipe and purified through a purifier 310. It includes a cooler (320, cooler) for reducing the temperature of the sea water. In addition, the seawater circulation supply unit 300 is provided between the purifier 310 and the cooler 320 to adjust the concentration (PH concentration) of the seawater supplied from the purifier 310, specifically, the exhaust from the wet scrubber 200 And a concentration control mixer 330 for compensating again for the rate at which sodium concentration is reduced through gas purification to have the same concentration as the seawater at the time of initial inflow.
  • PH concentration concentration
  • the purifier 310 purifies the exhaust gas from the wet scrubber 200 using centrifugal force to separate foreign substances of seawater containing foreign substances of the exhaust gas.
  • the specific gravity is different from the rotating cylinder. Insert the mixed liquid and rotate it at high speed to separate the seawater and foreign substances according to the specific gravity difference.
  • the seawater from which the foreign matter is separated by the purifier 310 is reused again for the purpose of purifying exhaust gas, and the sludge, such as filtered PM and SOx, is stored in a separate sludge tank 340 and then disposed of.
  • the concentration control mixer 330 adjusts the pH concentration of the seawater separated through the purifier 310.
  • the pH of the seawater changes in the wet scrubber 200 in the process of purifying the PM, SOx components contained in the exhaust gas than the initial, the concentration control mixer 330 when the initial input of the pH concentration of the seawater again It is adjusted to the same or similar degree to the seawater of.
  • the cooler 320 reduces the temperature of the increased seawater during the concentration control process in the concentration control mixer 330 to make it similar to the seawater temperature at the time of initial input.
  • the seawater passing through the cooler 320 is supplied back to the wet scrubber 200 to purify the exhaust gas again.
  • the above-described seawater may be supplied to the main seawater supply pipe 220 and the fine nozzle 250 of the wet scrubber 200, respectively.
  • the pump is installed.
  • the efficiency of the purification operation can be increased by reusing the seawater after the purification of the exhaust gas is finished, and the pollution of seawater can be prevented by separately disposing PM, SOx, and the like filtered by the purifier 310.
  • the purifier 310 There is an environmentally applicable advantage.
  • by circulating (recycling) the seawater it is possible to minimize seawater contamination by the discharged water.
  • the wet scrubber 200 is provided to discharge the cleaned exhaust gas by separating the PM and SOx components substantially included in the exhaust gas of the ship, and the seawater inlet 100 and the pipe It is connected through the seawater inlet 100, the seawater and the exhaust gas of the vessel is introduced into the interior to discharge the exhaust gas purified by seawater to the outside.
  • the wet scrubber 200 has an exhaust gas inlet 201 through which the exhaust gas before purification is introduced, an exhaust gas outlet 202 through which the purified exhaust gas is discharged, and a seawater inlet 203 connected with the seawater inlet 100. And a housing 210 provided with a seawater discharge port 204 for discharging seawater purifying exhaust gas, a main seawater supply pipe 220 disposed inside the housing 210 to supply seawater to the inside of the housing 210, and A plurality of auxiliary seawater supply pipe 230 provided radially in the end region of the main seawater supply pipe 220 for spraying seawater in a radial form.
  • the exhaust gas inlet pipe 240 in communication with the exhaust gas inlet 201 is inclined more than a predetermined angle with respect to the housing 210 is connected in the normal direction so that the exhaust gas is pivoting along the inner wall of the housing 210.
  • a purification operation is performed and then discharged to the exhaust gas outlet 202, thereby exhaust gas in the housing 210.
  • the seawater introduced into the housing 210 to collect foreign matter components contained in the exhaust gas is discharged downward through the seawater outlet 204.
  • the seawater outlet 204 and the seawater inlet 203 are provided in the lower portion of the housing 210 based on the shape shown in FIG.
  • the inflow and outflow structure shown in Figure 1 is an example showing a structure for the inflow and outflow of seawater.
  • the main seawater supply pipe 220 and the auxiliary seawater supply pipe 230 are provided with nozzles 221 and 231 for spraying the seawater into fine droplets, respectively.
  • the main seawater supply pipe 220 is disposed to extend in the longitudinal direction of the housing 210 and is provided to penetrate the seawater outlet 204.
  • the main seawater supply pipe 220 is provided with a plurality of nozzles 221 spaced apart from each other along the longitudinal direction to supply moisture to the exhaust gas rising while turning to collect foreign substances of the exhaust gas.
  • the principle of collecting foreign substances is that particles collide with droplets, adhere to particles, aggregate between particles by particle diffusion, particles between particles by evaporation of exhaust gas, and promote particle flow and cohesiveness of particles to nuclei, and particles in liquid film and bubbles. Such as attached in contact.
  • the nozzle 221 is illustrated as being provided only in one region of the main seawater supply pipe 220, but is not limited thereto. As illustrated in FIG. 3, the nozzles 221 may be spaced apart from each other along the circumferential direction of the main seawater supply pipe 220. It is more preferable that they are provided to be spaced apart from each other along the longitudinal direction.
  • the plurality of auxiliary seawater supply pipes 230 communicate with the main seawater supply pipe 220 to form a seawater flow path, and are radiated based on a cross section of the housing 210. It is prepared in the form.
  • a plurality of nozzles 231 are provided below the plurality of auxiliary seawater supply pipes 230 to be spaced apart from each other. The sea water sprayed from the nozzle 231 is sprayed to face the bottom surface of the housing 210, and collects foreign substances in the exhaust gas that is turned and rotates inside the housing 210, and then falls downward to fall toward the purifier 310. Will move.
  • auxiliary seawater supply pipes 230 are provided in a radial shape, moisture can be evenly supplied to the exhaust gas without biasing to one side in the housing 210, thereby improving the purification efficiency.
  • the secondary gas is first purified by the main sea water supply pipe 220 and the auxiliary sea water supply pipe 230.
  • the fine nozzle 250 is provided.
  • the fine nozzle 250 is provided with at least two or more spaced apart from each other along the circumferential direction of the housing 210, the cooler to enable the seawater of the fine particles passed through the cooler 320 to be sprayed through the fine nozzle 250 ( 320) through the pipe.
  • the lateral seawater injection by the nozzle of the main seawater supply pipe 220, the downward seawater injection by the nozzle of the auxiliary seawater supply pipe 230, the multi-step seawater injection by the fine nozzle 250 Through seawater spraying, PM, SOx, etc. contained in the exhaust gas can be collected more efficiently. In other words, it is possible to increase the purification area by increasing the contact area between foreign matter and seawater.
  • the blocking wall 260 near the exhaust gas outlet 202 of the housing 210 so that the seawater fine droplets containing foreign matter contained in the exhaust gas fall and discharged to the seawater outlet 204. Is provided.
  • the blocking wall 260 is continuously provided along the inner wall circumferential direction of the housing 210 and has a shape protruding by a predetermined distance from the inner wall of the housing 210.
  • a certain amount of the seawater is also turned up and down at the same time by the turning up and down movement of the exhaust gas.
  • the blocking wall 260 serves to separate the gas liquid from the organism composed of the rising exhaust gas and seawater particles.
  • the barrier wall 260 provides a venturi effect in addition to the gas-liquid separation function, so that the purified exhaust gas can be quickly discharged.
  • a bent portion 261 that is bent toward the bottom surface side of the housing 210 is further provided at the end of the blocking wall 260.
  • the seawater discharge guide 270 for moving the seawater to the seawater circulation supply unit 300 is inclined separately from the seawater discharge port 204 in the lower region of the housing 210.
  • the seawater discharge guide 270 is disposed in an inclined state along the inner wall circumferential direction of the housing 210, and more easily discharges seawater to the seawater circulation supply unit 300.
  • the internal pressure of the housing 210 is excessively increased, so that the shape of the housing 210 is deformed or the backwater is prevented from backflowing the seawater to increase the engine load. Will be prevented.
  • the seawater discharge guide 270 is provided with a separate seawater discharge hole (not shown) for discharging the seawater after cleaning the exhaust gas, the pipe connected to the seawater discharge hole is a seawater discharge port 204 It is made in communication with the pipe connected to the specific part.
  • the housing 210 includes a first housing 211 provided with an exhaust gas outlet 202, a second housing 212 provided with an exhaust gas inlet 201, and a seawater outlet (
  • the third housing 213 provided with the 204 has a structure connected in sequence.
  • first to third housings 211, 212, 213 are coupled to each other so as to be separated from each other.
  • Such a coupling may be applied to a flange coupling method, and as described above, in case of corrosion and abnormality of the internal structure of the housing 210 due to seawater, the operator may easily repair and replace the first to third housings 211, 212 and 213. You can do it.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Treating Waste Gases (AREA)

Abstract

La présente invention se rapporte à un appareil permettant de purifier les gaz d'échappement provenant d'un navire. Plus particulièrement, la présente invention se rapporte à un appareil permettant de purifier les gaz d'échappement d'un navire, une configuration pour purifier les gaz d'échappement d'un navire pouvant être créée de manière simple et bon marché et l'eau de mer qui passe à travers un procédé de purification, étant recyclée au lieu d'être évacuée, ce qui permet de réduire à un minimum la contamination de l'eau de mer provoquée par l'eau évacuée.
PCT/KR2012/011805 2012-12-06 2012-12-28 Appareil permettant de purifier les gaz d'échappement provenant d'un navire Ceased WO2014088149A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020120141340A KR20140073279A (ko) 2012-12-06 2012-12-06 선박용 배기 가스 정화장치
KR10-2012-0141340 2012-12-06

Publications (1)

Publication Number Publication Date
WO2014088149A1 true WO2014088149A1 (fr) 2014-06-12

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KR (1) KR20140073279A (fr)
WO (1) WO2014088149A1 (fr)

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CN104763509A (zh) * 2015-04-09 2015-07-08 上海天纳克排气系统有限公司 排气系统
CN117111657A (zh) * 2023-10-16 2023-11-24 汇舸(南通)环保设备有限公司 一种烟气水淬温控智能检测控制装置
CN117111657B (zh) * 2023-10-16 2024-01-02 汇舸(南通)环保设备有限公司 一种烟气水淬温控智能检测控制装置

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