CN115012476B - Rainwater collecting device is gathered to refrigerated container ship waste gas blast pipe - Google Patents
Rainwater collecting device is gathered to refrigerated container ship waste gas blast pipe Download PDFInfo
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- CN115012476B CN115012476B CN202210667865.8A CN202210667865A CN115012476B CN 115012476 B CN115012476 B CN 115012476B CN 202210667865 A CN202210667865 A CN 202210667865A CN 115012476 B CN115012476 B CN 115012476B
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- rainwater
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- rainwater collecting
- collecting
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- 239000002912 waste gas Substances 0.000 title claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 128
- 239000007789 gas Substances 0.000 claims abstract description 73
- 238000001914 filtration Methods 0.000 claims abstract description 54
- 238000004140 cleaning Methods 0.000 claims abstract description 29
- 239000004071 soot Substances 0.000 claims abstract description 28
- 238000005507 spraying Methods 0.000 claims description 24
- 230000002441 reversible effect Effects 0.000 claims description 22
- 238000007790 scraping Methods 0.000 claims description 21
- 239000007921 spray Substances 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 11
- 235000019504 cigarettes Nutrition 0.000 claims description 10
- 238000000746 purification Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 8
- 230000036541 health Effects 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 8
- 239000003595 mist Substances 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011418 maintenance treatment Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/10—Arrangements or adaptations of tanks for water supply for public or like main water supply
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/006—Arrangements or methods for cleaning or refurbishing water conduits
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/078—Combined units with different devices; Arrangement of different devices with respect to each other
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/08—Arrangement of draining devices, e.g. manual shut-off valves
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/09—Component parts or accessories
- E03B7/095—Component holders or housings, e.g. boundary boxes
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a rainwater accumulation collecting device for a waste gas exhaust pipe of a refrigerated container ship, which comprises a rainwater collecting cabinet and a sealing top cover arranged at the upper port part of the rainwater collecting cabinet, wherein the sealing top cover consists of a fixed top cover and an open sealing cover which are adjacently arranged, a rainwater collecting area and a soot storing area are adjacently arranged in the rainwater collecting cabinet, a water filtering plate is arranged at the upper part of the rainwater collecting area, the fixed top cover is positioned above the water filtering plate, and a rainwater collecting pipe for receiving rainwater accumulated in the exhaust pipe and guiding the accumulated rainwater onto the water filtering plate is arranged on the fixed top cover. The invention is convenient for cleaning the ash of the rainwater collecting cabinet, and can avoid adverse effects on the surrounding environment and personnel health caused by escape of harmful gas during cleaning operation.
Description
Technical Field
The invention relates to the technical field of ship auxiliary equipment, in particular to a device for collecting accumulated rainwater of an exhaust pipe of exhaust gas of a refrigerated container ship.
Background
The exhaust system is used as an auxiliary system of a ship, and waste gas generated by equipment such as a ship main engine, a generator, an incinerator, a boiler and the like is required to be discharged to the outside of the ship through the exhaust system. There is the rainwater entering blast pipe in the rainy day, for avoiding rainwater entering equipment, generally needs to set up the rainwater and collect the cabinet to set up the bleeder pipe at the low point of blast pipe and collect the cabinet to play the effect of collecting the rainwater.
The problem that current rainwater collection cabinet exists is: because the rainwater contains a large amount of soot, the rainwater collecting cabinet needs to be cleaned manually frequently, the workload is large, and the blockage of a drainage pipeline and a valve is easy to be caused when the rainwater collecting cabinet is cleaned in time. And the existing rainwater collection cabinet needs to detach more bolts on the manhole cover before cleaning, and is troublesome to operate. In addition, as the rainwater contains harmful gas, the harmful gas in the rainwater can escape to pollute the surrounding environment during manual cleaning operation, thereby adversely affecting the health of crews.
Disclosure of Invention
In order to solve the problems, the invention provides a device for collecting accumulated rainwater of an exhaust gas pipe of a refrigerated container ship, which aims to facilitate the soot cleaning of a rainwater collecting cabinet and avoid adverse effects on the surrounding environment and personnel health caused by escape of harmful gas during cleaning operation. The specific technical scheme is as follows:
the utility model provides a refrigerated container ship waste gas blast pipe accumulates rainwater collection device, is in including rainwater collection cabinet and setting the sealed top cap of rainwater collection cabinet upper port portion, sealed top cap comprises fixed top cap and the sealed lid of open-type that sets up adjacently, the inside of rainwater collection cabinet is provided with rainwater collection district and cigarette ash storage district adjacently the upper position in rainwater collection district is provided with the drainage board, fixed top cap is located the top position of drainage board be provided with on the fixed top cap and be used for receiving the intraductal accumulation rainwater of blast pipe and will the accumulation rainwater is directed into rainwater collection pipe on the drainage board.
Above-mentioned through setting up rainwater collection area and cigarette ash storage area in the rainwater collection cabinet, the cigarette ash separates the water back and stores in cigarette ash storage area, has made things convenient for the periodic cleaning of cigarette ash in the rainwater collection cabinet to can avoid the drainage to block up, also reduced the washing number of times of rainwater collection cabinet.
In the invention, a rainwater drainage outlet is arranged at the low point of the exhaust pipe, the rainwater drainage outlet is connected with the rainwater collecting pipe, and the rainwater collecting pipe is provided with a rainwater drainage valve.
According to the invention, the rainwater collecting cabinet is internally provided with a harmful gas content detection sensor, the rainwater collecting cabinet is provided with a harmful gas reverse conveying device for reversely conveying harmful gas in the rainwater collecting cabinet into the exhaust pipe, the harmful gas reverse conveying device comprises a gas circulating pump, a gas reverse conveying pipeline connected with the gas circulating pump, and a gas one-way valve arranged on the gas reverse conveying pipeline, an exhaust opening of the gas circulating pump is communicated with the inside of the rainwater collecting cabinet, and the gas reverse conveying pipeline is connected to the exhaust pipe.
Preferably, the fixed top cover is provided with a one-way breather valve.
The gas check valve enables harmful gas in the rainwater collection cabinet to be discharged into the exhaust pipe only through the gas reverse conveying pipeline, and the outside air can be supplemented into the rainwater collection cabinet when negative pressure occurs in the rainwater collection cabinet through the check breathing valve.
Preferably, an exhaust gas treatment device may be provided at the end of the exhaust pipe.
As a preferable scheme of the invention, the water filtering plate is an arc tile-shaped water filtering plate, the inner arc surface of the arc tile-shaped water filtering plate is upwards arranged, a shaft roller is further rotatably arranged in the rainwater collecting cabinet and positioned at the central axis of the arc tile-shaped water filtering plate, and a scraping plate for scraping accumulated soot on the arc tile-shaped water filtering plate is arranged on the outer circle of the shaft roller.
As a further improvement of the invention, a group of air knives for blowing and scraping the soot accumulated on the scraping plate to the soot storage area is arranged on the rainwater collection cabinet at the upper position of one side of the circular arc tile-shaped water filtering plate close to the soot storage area, and the air knives are connected with a compressed air pipeline on the ship through a pneumatic pipeline.
According to the invention, the shaft roller is driven to rotate by a servo corner motor, and a water storage cavity is formed in the shaft roller; the rainwater collecting cabinet is internally provided with a rainwater purifying area adjacent to the rainwater collecting area, a filter screen plate is arranged between the rainwater collecting area and the rainwater purifying area, the scraping plate is further provided with a water spraying cleaning device, the water spraying cleaning device comprises a supporting plate vertically arranged on the back of the scraping plate, an elastic rubber block, an ultrasonic vibrator and a strip-shaped spray head which are sequentially overlapped and connected on the supporting plate, a water spraying cavity is arranged in the strip-shaped spray head, water spraying holes communicated with the water spraying cavity are densely distributed on one surface of the strip-shaped spray head, facing to the circular arc tile-shaped water filtering plate, and a water storage cavity in the shaft roller is communicated with the water spraying cavity in the strip-shaped spray head through a flexible connecting pipe; the rainwater collecting cabinet is provided with a circulating water pump, a water suction pipeline of the circulating water pump is connected to the rainwater purifying area, and a water outlet pipeline of the circulating water pump is connected to a water storage cavity inside the shaft roller through a rotary joint arranged at one end of the shaft roller.
Above-mentioned servo corner motor can control the rotatory angle of grooved roll, when needs wash circular arc tile shape drainage board, can control the scraper blade on the grooved roll and carry out reciprocal swing washing in circular arc tile shape drainage board's fan-shaped angle scope, and the rectangular shape shower nozzle of scraper blade back one side spouts the water smoke of certain pressure and washs circular arc tile shape drainage board. Because the long-strip-shaped spray head is connected to the ultrasonic vibrator, the ultrasonic energy of the ultrasonic vibrator can be loaded on the water mist sprayed out of the long-strip-shaped spray head, so that the cleaning effect is enhanced. In addition, the ultrasonic vibrator is separated from the supporting plate on the scraping plate through the elastic rubber block, so that invalid loss of ultrasonic energy can be reduced, and the cleaning effect is further improved.
In the invention, the servo corner motor is fixed on the front side wall of the rainwater collecting cabinet and is connected with the shaft roller through the transmission mechanism.
Preferably, the transmission mechanism may be a synchronous belt transmission mechanism, a gear transmission mechanism, or the like.
In the invention, a partition plate is arranged between the rainwater collecting area and the ash storage area.
In the invention, a gate frame is arranged between the rainwater collecting area and the rainwater purifying area, and the filter screen plate is inserted into the gate frame from top to bottom.
Preferably, a rainwater sensor is arranged at the low point position of the exhaust pipe, the rainwater drainage valve is an electric rainwater drainage valve, and liquid level sensors for detecting the liquid level are respectively arranged at the upper positions of the rainwater collecting area and the rainwater purifying area on the rainwater collecting cabinet.
In the invention, the ultrasonic vibrator is connected with an ultrasonic generator.
Preferably, the rainwater collecting device for accumulating the exhaust gas pipes of the refrigerated container ship is further provided with a rainwater collecting controller, and the rainwater sensor, the electric rainwater drainage valve, the servo corner motor, the air knife control element, the gas circulating pump, the circulating water pump and the ultrasonic generator are respectively connected with the rainwater collecting controller.
Preferably, the rainwater collection controller is an MCU controller or a PLC controller.
Preferably, the rainwater collecting area and the soot storing area are arranged in a left-right direction, and the rainwater collecting area and the rainwater purifying area are arranged in a front-rear direction.
In the invention, the rotation direction of the shaft roller is not counterclockwise.
Preferably, a pair of handles which are convenient to assemble and disassemble are arranged at the upper end of the filter screen plate.
Preferably, the circular arc tile-shaped water filtering plate is densely provided with water filtering holes.
In the invention, the conductive slip ring is arranged at the central part of the outer side of the other end of the shaft roller, the electric connecting wire of the ultrasonic vibrator is connected to the ultrasonic generator through the conductive slip ring, and the ultrasonic generator is connected with the rainwater collection controller.
According to the invention, the rainwater collecting cabinet is internally provided with the supporting and positioning frame, and the circular arc tile-shaped water filtering plate is detachably arranged on the supporting and positioning frame and is limited and fixed through the pressing plate arranged on one side of the supporting and positioning frame.
Preferably, an oblique water guide plate butted with the left end of the circular arc tile-shaped water filter plate is arranged on the inner wall of the left side of the rainwater collection cabinet.
Preferably, a pair of handles which are convenient to assemble and disassemble are arranged at the upper end of the filter screen plate.
In the invention, the open type sealing cover is connected with the rainwater collecting cabinet through the hinge so as to realize the rotary opening and the rotary closing of the open type sealing cover.
In the invention, a drain pipeline is arranged on the rainwater collecting area and is connected to the bilge of the ship. And an electric relief valve connected with the rainwater collection controller is arranged on the relief pipeline.
In the invention, the open type sealing cover is provided with an observation window, and the observation window is provided with a glass plate.
In the invention, when certain height difference occurs between the liquid levels of the rainwater collecting area and the rainwater purifying area in the non-drainage state and the non-cleaning state, the rainwater collecting controller can give an alarm to remind that the filter screen plate needs to be maintained or replaced.
The method for collecting rainwater accumulated in the exhaust pipe and automatically cleaning the ash comprises the following steps of:
(1) In rainy days, rainwater enters an exhaust pipe, rainwater accumulated at a low point of the exhaust pipe is detected by a rainwater sensor, and a rainwater collection controller starts a rainwater drainage valve to drain the rainwater into a rainwater collection cabinet;
(2) The rainwater entering the rainwater collection cabinet is guided into the arc tile-shaped water filtering plate through the inclined water guiding plate, enters the rainwater collection area for storage through the filtration of the arc tile-shaped water filtering plate, and part of the rainwater enters the rainwater purification area through the filtration of the filtering plate;
(3) And closing the rainwater drainage valve after drainage of the rainwater drainage valve is completed every time, controlling the servo corner motor to rotate for one circle by the rainwater collection controller, driving the scraping plate on the shaft roller to rotate for one circle, transferring the soot accumulated on the front surface of the scraping plate to the position below a group of air knives, then starting the air knives, blowing the soot on the front surface of the scraping plate into a soot storage area, and closing the air knives after completion.
(4) The rainwater collection controller regularly washes the circular arc tile-shaped water filtering plate with water at intervals, during flushing, the rainwater collection controller controls the scraping plate to swing back and forth for a plurality of times in the fan-shaped angle of the circular arc tile-shaped water filtering plate, meanwhile, the vibration of the circulating water pump and the ultrasonic vibrator is started, so that the strip-shaped spray head is aligned to the surface of the circular arc tile-shaped water filtering plate to carry out reinforced water spraying cleaning, and after the cleaning, the vibration of the circulating water pump and the vibration of the ultrasonic vibrator are closed;
(5) When the liquid level in the rainwater collection area reaches the limit, the rainwater collection controller opens the electric relief valve to drain part of rainwater in the rainwater collection area to the bilge of the ship, so that the rainwater in the rainwater collection area is lower than the safety height.
(6) The rainwater collection controller monitors the concentration of harmful gas in the rainwater collection cabinet through the harmful gas content detection sensor, and when the concentration of the harmful gas exceeds a set value, the gas circulation pump is started to pump the harmful gas into the exhaust pipe.
The beneficial effects of the invention are as follows:
firstly, according to the rainwater collecting device for accumulating the exhaust gas pipes of the refrigerated container ship, the rainwater collecting area and the ash storing area are arranged in the rainwater collecting cabinet, and ash is stored in the ash storing area after water is separated, so that the ash in the rainwater collecting cabinet can be conveniently cleaned regularly, drain blockage can be avoided, and the cleaning times of the rainwater collecting cabinet are reduced.
Second, the exhaust gas exhaust pipe accumulated rainwater collecting device for the refrigerated container ship has the advantages that the scraping plates and the water spraying cleaning device are arranged, the automatic cleaning effect is good, and the good water filtering performance of the water filtering plate can be kept for a long time.
Third, according to the rainwater collecting device for accumulating the exhaust gas pipes of the refrigerated container ship, the harmful gas in the rainwater collecting cabinet can return to the exhaust pipe through the harmful gas reverse conveying device, so that the surrounding environment is improved, the health of a shipman is protected, and a set of special exhaust gas treatment device is omitted.
Drawings
FIG. 1 is a schematic view of a construction of a refrigerated container ship exhaust stack accumulated rain water collecting apparatus of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a cross-sectional view (top view) of the lower half of the stormwater collection cabinet of fig. 1.
In the figure: 1. the rainwater collection cabinet, 2, a sealing top cover, 3, a fixed top cover, 4, an open type sealing cover, 5, a rainwater collection area, 6, a soot storage area, 7, a water filtering plate, 8, an exhaust pipe, 9, a rainwater collection pipe, 10, a rainwater drainage valve, 11, a harmful gas content detection sensor, 12, a harmful gas reverse conveying device, 13, a gas circulation pump, 14, a gas reverse conveying pipeline, 15, a gas check valve, 16, a shaft roller, 17, a scraper, 18, a water storage cavity, 19, a rainwater purification area, 20, a filter screen, 21, a water spraying cleaning device, 22, a support plate, 23, an elastic rubber block, 24, an ultrasonic vibrator, 25, an elongated nozzle, 26, a water spraying cavity, 27, a water spraying hole, 28, a servo corner motor, 29, a circulating water pump, 30, a rotary joint, 31, a partition plate, 32, a gate frame, 33, a rainwater sensor, 34, a rainwater sensor, 35, a handle, 36, a hinge, 37, an oblique water guide plate, 38, an air knife, 39, a liquid level sensor, 40, a support positioning frame, 41 and a pressure plate.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
An embodiment of a rainwater collecting device for accumulating exhaust gas pipes of a refrigerated container ship according to the present invention is shown in fig. 1 to 3, and comprises a rainwater collecting cabinet 1 and a sealing top cover 2 arranged at the upper port part of the rainwater collecting cabinet 1, wherein the sealing top cover 2 is composed of a fixed top cover 3 and an open sealing cover 4 which are adjacently arranged, a rainwater collecting area 5 and a soot storing area 6 are adjacently arranged inside the rainwater collecting cabinet 1, a water filtering plate 7 is arranged at the upper position of the rainwater collecting area 5, the fixed top cover 3 is arranged at the upper position of the water filtering plate 7, and a rainwater collecting pipe 9 for receiving rainwater accumulated in an exhaust pipe 8 and guiding the accumulated rainwater to the water filtering plate 7 is arranged on the fixed top cover 3.
Above-mentioned through setting up rainwater collection area 5 and cigarette ash storage area 6 in rainwater collection cabinet 1, the cigarette ash separates the water back and stores in cigarette ash storage area 6, has made things convenient for the periodic clearance of cigarette ash in the rainwater collection cabinet to can avoid the drainage to block up, also reduced the washing number of times of rainwater collection cabinet 1.
In this embodiment, a rainwater outlet is disposed at a low point of the exhaust pipe 8, the rainwater outlet is connected with the rainwater collecting pipe 9, and a rainwater drain valve 10 is disposed on the rainwater collecting pipe 9.
In this embodiment, be provided with harmful gas content detection sensor 11 in the rainwater collection cabinet 1, be provided with on the rainwater collection cabinet 1 and be used for with harmful gas reverse conveying device 12 in the rainwater collection cabinet 1 is reverse to carry to in the blast pipe 8, harmful gas reverse conveying device 12 includes gas circulation pump 13, connects the reverse conveying line 14 of gas circulation pump 13 gas outlet, set up gas check valve 15 on the reverse conveying line 14 of gas, the extraction opening intercommunication of gas circulation pump 13 the inside of rainwater collection cabinet 1, the reverse conveying line 14 of gas is connected to blast pipe 8.
Preferably, the fixed top cover 3 is provided with a one-way breather valve.
The gas one-way valve 15 enables harmful gas in the rainwater collection cabinet 1 to be discharged into the exhaust pipe 8 only through the gas reverse conveying pipeline 14, and the one-way breathing valve enables outside air to be supplemented into the rainwater collection cabinet 1 when negative pressure occurs in the rainwater collection cabinet 1.
Preferably, an exhaust gas treatment device may be provided at the end of the exhaust pipe 8.
As a preferable solution of this embodiment, the water filtering plate 7 is an arc tile-shaped water filtering plate, an inner arc surface of the arc tile-shaped water filtering plate 7 is disposed upward, a shaft roller 16 is further rotatably disposed at a central axis position of the arc tile-shaped water filtering plate 7 in the rainwater collecting cabinet 1, and a scraper 17 for scraping accumulated soot on the arc tile-shaped water filtering plate 7 is disposed on an outer circle of the shaft roller 16.
As a further improvement of the present embodiment, a set of air knives 38 for blowing and scraping the soot accumulated on the scraper 17 to the soot storage area is provided on the rainwater collection tank 2 above the side of the circular arc tile-shaped water filtering plate 7 close to the soot storage area 6, and the air knives 38 are connected with the compressed air pipeline on the ship through pneumatic pipelines.
In this embodiment, the shaft roller 16 is driven to rotate by a servo rotation angle motor, and a water storage cavity 18 is arranged inside the shaft roller 16; the rainwater collection cabinet 1 is internally provided with a rainwater purification area 19 adjacent to the rainwater collection area 5, a filter screen 20 is arranged between the rainwater collection area 5 and the rainwater purification area 19, the scraper 17 is further provided with a water spraying and cleaning device 21, the water spraying and cleaning device 21 comprises a supporting plate 22 vertically arranged on the back of the scraper 17, an elastic rubber block 23, an ultrasonic vibrator 24 and a strip-shaped spray head 25 which are sequentially overlapped and connected on the supporting plate 22, a water spraying cavity 26 is arranged in the strip-shaped spray head 25, water spraying holes 27 communicated with the water spraying cavity 26 are densely distributed on one surface of the strip-shaped spray head 25 facing the circular arc tile-shaped water filtering plate 7, and a water storage cavity 18 in the shaft roller 16 is communicated with the water spraying cavity 26 in the strip-shaped spray head 25 through a flexible connecting pipe; the rainwater collection cabinet 1 is provided with a circulating water pump 29, a water suction pipeline of the circulating water pump 29 is connected to the rainwater purification area 19, and a water outlet pipeline of the circulating water pump 29 is connected to the water storage cavity 18 inside the shaft roller 16 through a rotary joint 30 arranged at one end of the shaft roller 16.
The servo rotation angle can control the rotation angle of the shaft roller 16, and when the circular arc tile-shaped water filtering plate 7 needs to be cleaned, the scraper 17 on the shaft roller 16 can be controlled to swing reciprocally and clean within the range of the fan-shaped angle of the circular arc tile-shaped water filtering plate 7, and the strip-shaped spray head 25 on one side of the back surface of the scraper 17 sprays water mist with a certain pressure to clean the circular arc tile-shaped water filtering plate 7. Because the long-strip-shaped spray head 25 is connected to the ultrasonic vibrator 24, ultrasonic energy of the ultrasonic vibrator 24 can be loaded on water mist sprayed by the long-strip-shaped spray head 25, so that the cleaning effect is enhanced. In addition, the ultrasonic vibrator 24 is separated from the supporting plate 22 on the scraper 17 through the elastic rubber block 23, so that the ineffective loss of ultrasonic energy can be reduced, and the cleaning effect is further improved.
In this embodiment, the servo angle motor is fixed on the front side wall of the rainwater collecting cabinet 1 and is connected with the shaft roller 16 through a transmission mechanism.
Preferably, the transmission mechanism may be a synchronous belt transmission mechanism, a gear transmission mechanism, or the like.
In this embodiment, a partition 31 is provided between the rainwater collection area 5 and the soot storage area 6.
In this embodiment, a gate frame 32 is disposed between the rainwater collecting area 5 and the rainwater purifying area 19, and the filter screen plate 20 is inserted into the gate frame 32 from top to bottom.
Preferably, a rain sensor 34 is disposed at a low point of the exhaust pipe 8, the rain water drain valve 10 is an electric rain water drain valve, and liquid level sensors 39 for detecting the liquid level are disposed above the rain water collecting area 5 and the rain water purifying area 19 on the rain water collecting cabinet 1.
In this embodiment, the ultrasonic vibrator is connected to an ultrasonic generator.
Preferably, a rainwater collecting device for accumulating an exhaust gas pipe of a refrigerated container ship according to the present embodiment is further provided with a rainwater collecting controller, and the rainwater sensor 34, the electric rainwater drainage valve 10, the servo rotation angle motor, the air knife 38 control element, the gas circulation pump 13, the water circulation pump 29 and the ultrasonic generator are respectively connected to the rainwater collecting controller.
Preferably, the rainwater collection controller is an MCU controller or a PLC controller.
Preferably, the rainwater collecting area 5 and the soot storage area 6 are arranged in the left-right direction, and the rainwater collecting area 5 and the rainwater purifying area 19 are arranged in the front-rear direction.
In this embodiment, the rotation direction of the shaft roller is not counterclockwise.
Preferably, a pair of handles 35 are provided at the upper end of the screen panel 20 for easy and quick assembly and disassembly.
Preferably, the circular arc tile-shaped water filtering plate 7 is densely provided with water filtering holes.
In this embodiment, a conductive slip ring is disposed at a central portion of the outer side of the other end of the shaft roller 16, and an electrical connection line of the ultrasonic vibrator 24 is connected to an ultrasonic generator through the conductive slip ring, and the ultrasonic generator is connected to the rainwater collection controller.
In this embodiment, a supporting and positioning frame 28 is disposed in the rainwater collecting cabinet 1, and the circular arc tile-shaped water filtering plate 7 is detachably mounted on the supporting and positioning frame 28 and is fixed in a limiting manner by a pressing plate 40 disposed on one side of the supporting and positioning frame 28.
Preferably, an oblique water guide plate 37 abutting against the left end of the circular arc tile-shaped water filter plate 7 is arranged on the left inner wall of the rainwater collecting cabinet 1.
Preferably, a pair of handles 35 are provided at the upper end of the screen panel 20 for easy and quick assembly and disassembly.
In this embodiment, the open-type sealing cover 4 is connected with the rainwater collecting cabinet 1 through a hinge 36, so as to realize the rotation opening and rotation closing of the open-type sealing cover 4.
In this embodiment, a drain line is provided on the rainwater collection area 5, which drain line is connected to the bilge of the ship. And an electric relief valve connected with the rainwater collection controller is arranged on the relief pipeline.
In this embodiment, an observation window is provided on the open-type sealing cover 4, and a glass plate is provided on the observation window.
In this embodiment, when a certain height difference occurs between the liquid levels of the rainwater collecting area 5 and the rainwater purifying area 19 in the non-drainage state and the non-cleaning state, the rainwater collecting controller will give an alarm to remind that the maintenance treatment on the filter screen plate 20 is required.
The method for collecting rainwater accumulated in the exhaust pipe and automatically cleaning the soot in the embodiment is as follows:
(1) In rainy days, rainwater enters an exhaust pipe, rainwater accumulated at a low point of the exhaust pipe is detected by a rainwater sensor 34, and a rainwater collection controller starts a rainwater drainage valve 10 to drain rainwater into a rainwater collection cabinet 1;
(2) The rainwater entering the rainwater collection cabinet 1 is led into the circular arc tile-shaped water filtering plate 7 through the inclined water guiding plate 37, enters the rainwater collection area 5 for storage through the filtration of the circular arc tile-shaped water filtering plate 7, and part of the rainwater enters the rainwater purification area 5 through the filtration of the filter screen plate 20;
(3) After the drainage of the rainwater drainage valve 10 is completed, the rainwater collection controller controls the servo corner motor to rotate for one circle, drives the scraper 17 on the shaft roller 16 to rotate for one circle (the position of the scraper 17 rotating for one circle in the figure is the reverse position of the clockwise rotation), transfers the soot accumulated on the front surface of the scraper 17 to the position below a group of air knives 38, then starts the air knives 38, blows the soot on the front surface of the scraper 17 into the soot storage area 6, and closes the air knives after the completion.
(4) The rainwater collection controller regularly washes the circular arc tile-shaped water filtering plate 7 with water at intervals, during flushing, the rainwater collection controller controls the scraping plate 17 to swing back and forth for a plurality of times in the fan-shaped angle of the circular arc tile-shaped water filtering plate 7, meanwhile, the vibration of the circulating water pump 29 and the ultrasonic vibrator 24 is started, the strip-shaped spray head 25 is aligned with the surface of the circular arc tile-shaped water filtering plate 7 to carry out intensified water spraying cleaning, and after the cleaning, the vibration of the circulating water pump 29 and the ultrasonic vibrator 24 is closed;
(5) When the liquid level in the rainwater collection area 5 reaches the limit, the rainwater collection controller opens the electric relief valve to drain a part of rainwater in the rainwater collection area 5 to the bilge of the ship, so that the rainwater in the rainwater collection area 5 is lower than the safety height.
(6) The rainwater collection controller monitors the concentration of harmful gas in the rainwater collection cabinet 1 through the harmful gas content detection sensor 11, and when the concentration of the harmful gas exceeds a set value, the gas circulation pump 13 is started to pump the harmful gas into the exhaust pipe 8.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (4)
1. The utility model provides a cold storage container ship waste gas blast pipe accumulates rainwater collection device which characterized in that, include rainwater collection cabinet and set up the sealed top cap of rainwater collection cabinet upper port portion, sealed top cap comprises fixed top cap and the open-type sealed lid that set up adjacently, rainwater collection cabinet's inside is provided with rainwater collection area and cigarette ash storage area adjacently, be provided with the drainage board in the upper position of rainwater collection area, fixed top cap is located the top position of drainage board be provided with on the fixed top cap and be used for receiving the rainwater that accumulates in the blast pipe and will gather rainwater and guide into the rainwater collection pipe on the drainage board; a rainwater drainage outlet is arranged at the low point of the exhaust pipe, the rainwater drainage outlet is connected with the rainwater collecting pipe, and a rainwater drainage valve is arranged on the rainwater collecting pipe; the rainwater collecting cabinet is internally provided with a harmful gas content detection sensor, the rainwater collecting cabinet is provided with a harmful gas reverse conveying device for reversely conveying harmful gas in the rainwater collecting cabinet into the exhaust pipe, the harmful gas reverse conveying device comprises a gas circulating pump, a gas reverse conveying pipeline connected with an air outlet of the gas circulating pump and a gas one-way valve arranged on the gas reverse conveying pipeline, an exhaust opening of the gas circulating pump is communicated with the inside of the rainwater collecting cabinet, and the gas reverse conveying pipeline is connected to the exhaust pipe; the rainwater collecting cabinet is characterized in that the water filtering plate is an arc tile-shaped water filtering plate, the inner arc surface of the arc tile-shaped water filtering plate is upwards arranged, a shaft roller is further rotatably arranged in the rainwater collecting cabinet and positioned at the central axis of the arc tile-shaped water filtering plate, and a scraping plate for scraping accumulated soot on the arc tile-shaped water filtering plate is arranged on the outer circle of the shaft roller; a group of air knives used for blowing and scraping the soot accumulated on the scraping plate to the soot storage area are arranged above one side, close to the soot storage area, of the arc tile-shaped water filtering plate on the rainwater collection cabinet, and the air knives are connected with a compressed air pipeline on a ship through pneumatic pipelines; the shaft roller is driven to rotate by a servo corner motor, and a water storage cavity is formed in the shaft roller; the rainwater collecting cabinet is internally provided with a rainwater purifying area adjacent to the rainwater collecting area, a filter screen plate is arranged between the rainwater collecting area and the rainwater purifying area, the scraping plate is further provided with a water spraying cleaning device, the water spraying cleaning device comprises a supporting plate vertically arranged on the back of the scraping plate, an elastic rubber block, an ultrasonic vibrator and a strip-shaped spray head which are sequentially overlapped and connected on the supporting plate, a water spraying cavity is arranged in the strip-shaped spray head, water spraying holes communicated with the water spraying cavity are densely distributed on one surface of the strip-shaped spray head, facing to the circular arc tile-shaped water filtering plate, and a water storage cavity in the shaft roller is communicated with the water spraying cavity in the strip-shaped spray head through a flexible connecting pipe; the rainwater collection cabinet is provided with a circulating water pump, a water suction pipeline of the circulating water pump is connected to the rainwater purification area, and a water outlet pipeline of the circulating water pump is connected to a water storage cavity inside the shaft roller through a rotary joint arranged at one end of the shaft roller; the low point position of blast pipe is provided with rain sensor, the rain drain valve is electronic rain drain valve be located on the rainwater collection cabinet the upper position of rainwater collection district and rainwater purification district is provided with the liquid level sensor who is used for detecting liquid level height respectively.
2. A refrigerated container ship exhaust stack accumulated stormwater collection device as claimed in claim 1, wherein a partition is provided between the stormwater collection area and the soot storage area.
3. The device for collecting accumulated rainwater of an exhaust pipe of a refrigerated container ship according to claim 1, wherein a gate frame is arranged between the rainwater collecting area and the rainwater purifying area, and the filter screen plate is inserted into the gate frame from top to bottom.
4. The device for collecting accumulated rainwater of the exhaust pipe of the refrigerated container ship according to claim 1, wherein a rainwater collecting controller is further provided, and the rainwater sensor, the electric rainwater drainage valve, the servo angle motor, the air knife control element, the gas circulation pump, the circulating water pump and the ultrasonic generator are respectively connected with the rainwater collecting controller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210667865.8A CN115012476B (en) | 2022-06-14 | 2022-06-14 | Rainwater collecting device is gathered to refrigerated container ship waste gas blast pipe |
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| CN202210667865.8A CN115012476B (en) | 2022-06-14 | 2022-06-14 | Rainwater collecting device is gathered to refrigerated container ship waste gas blast pipe |
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| CN115012476B true CN115012476B (en) | 2023-10-20 |
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| JP2011131201A (en) * | 2009-12-25 | 2011-07-07 | Science Kk | Reclaimed water supply device |
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| CN212921941U (en) * | 2020-05-19 | 2021-04-09 | 大连船舶重工集团有限公司 | Marine pipe rainwater of discharging fume discharges piece-rate system |
| CN113529857A (en) * | 2021-08-19 | 2021-10-22 | 江苏浴普环境科技有限公司 | Rainwater collection and recycling system for urban rainwater collection |
| CN215462373U (en) * | 2021-09-09 | 2022-01-11 | 佳豪船舶技术(上海)有限公司 | Rainwater drainage device of ship exhaust pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011131201A (en) * | 2009-12-25 | 2011-07-07 | Science Kk | Reclaimed water supply device |
| CN107792956A (en) * | 2017-12-13 | 2018-03-13 | 泰兴市汇辰过滤器制造有限公司 | A kind of ship rainwater-collecting purifier |
| CN209481313U (en) * | 2018-07-26 | 2019-10-11 | 沪东中华造船(集团)有限公司 | It is a kind of for collecting the bin of ship cigarette ash water |
| CN212921941U (en) * | 2020-05-19 | 2021-04-09 | 大连船舶重工集团有限公司 | Marine pipe rainwater of discharging fume discharges piece-rate system |
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| CN115012476A (en) | 2022-09-06 |
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