CN115123512B - Comprehensive ventilation system of ship - Google Patents
Comprehensive ventilation system of ship Download PDFInfo
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- CN115123512B CN115123512B CN202210885092.0A CN202210885092A CN115123512B CN 115123512 B CN115123512 B CN 115123512B CN 202210885092 A CN202210885092 A CN 202210885092A CN 115123512 B CN115123512 B CN 115123512B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/02—Ventilation; Air-conditioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/02—Ventilation; Air-conditioning
- B63J2/10—Ventilating-shafts; Air-scoops
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- 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
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
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Abstract
The application provides a comprehensive ventilation system of boats and ships, including air supply arrangement and exhaust device. The air supply device comprises an air supply blower, an air supply surrounding well, an air supply pipe, an air supply channel and an air supply abdominal wall. The exhaust device comprises an exhaust fan, an exhaust surrounding well and a plurality of exhaust web walls. The air supply abdominal wall is arranged in the nested isolation layer from top to bottom, the top of the air supply abdominal wall is communicated with the air supply opening close to the air supply abdominal wall, and the bottom of the air supply abdominal wall extends to the lower part of a deck at the liquid cargo daily cabin and is used for conveying air in the air supply pipe into the nested isolation layer. The exhaust air abdomen walls are arranged in the side wall isolation layers from top to bottom, the top of each exhaust air abdomen wall is communicated with the exhaust air enclosing well, and the bottom of each exhaust air abdomen wall extends into the bottom isolation layer. The ship body structure is fully utilized, the interference problem caused by insufficient space is solved, and the arrangement efficiency of the ventilation system is improved.
Description
Technical Field
The application relates to the technical field of ship ventilation, in particular to a ship comprehensive ventilation system.
Background
In ship ventilation design, a ventilation air pipe is arranged in the isolation layer according to the standard requirement. In order to ensure the uniformity of the airflow structure of the isolation layer and avoid the accumulation of toxic gas and explosive gas, the conventional comprehensive ventilation pipeline design and arrangement are relatively dense, the design length of the air pipe is generally equivalent to the main dimension of the isolation layer, and the ventilation pipeline is almost distributed in the limited space of the whole isolation layer. For example, a liquid cargo storage tank for storing energy of a ship platform or a ship auxiliary equipment is provided, an isolation layer is arranged around the liquid cargo storage tank, the clear space of the isolation layer is generally about 500-600 mm, and when the design air quantity reaches more than 10000m3/h, the ventilation system is mainly provided with a design pipe diameter DN500, a branch pipe design pipe diameter DN 200-350 and an air port design pipe diameter DN250. The ventilation pipeline construction amount is large, the material is difficult to enter the cabin, the hull structure construction process holes are needed to be assisted to meet the requirement of the material entering cabin construction, the follow-up hull structure hole repairing and air tightness check points are increased, and the production and manufacturing cost and the installation difficulty project cost are increased.
In the current ship ventilation design, a novel ventilation design is carried out on a liquid cargo storage tank and isolation layers around the liquid cargo storage tank, and only the liquid cargo storage tank is used. However, with research and development of high and new ships, in order to improve the quality of liquid cargo and store the total amount of liquid cargo, a liquid cargo daily tank is further arranged at the middle lower part of the liquid cargo storage tank, and a liquid cargo transfer tank is arranged above the liquid cargo daily tank. The isolation layers are uniformly distributed around the liquid cargo storage cabin, around the liquid cargo daily cabin, between the liquid cargo storage cabin and the liquid cargo transfer cabin and between the liquid cargo daily cabin and the liquid cargo transfer cabin, and the ventilated air pipes are uniformly distributed in the isolation layers, so that the working time and the working difficulty of distributing the air pipes in the isolation layers are definitely further increased, the distribution efficiency is reduced, and a comprehensive novel ventilation system for the high-new ship does not exist at present.
Therefore, a need has arisen to provide a novel comprehensive ventilation system for ships, which can effectively solve the interference problem of each specialty caused by insufficient space on the premise of meeting the comprehensive ventilation design of the standard requirements, and the arrangement form can be used for ships, thereby effectively reducing the work load from the aspects of design, manufacture and site construction and improving the efficiency.
Disclosure of Invention
An aim of the embodiment of the application is to provide a comprehensive ventilation system of ships, which combines a structure surrounding well, an air pipe and a structure abdominal wall structure, and can fully utilize a ship body structure on the premise of meeting the comprehensive ventilation design of standard requirements, so that the interference problem of each specialty caused by insufficient space is solved, and the arrangement efficiency of the ventilation system and the structural integrity of an isolation layer are improved.
The application provides a comprehensive ventilation system of boats and ships, arrange liquid goods storage tank, liquid goods transfer cabin and liquid goods daily use cabin in the boats and ships, liquid goods daily use cabin nest arrangement is in the well lower part of liquid goods storage tank, liquid goods transfer cabin arrangement is in liquid goods storage tank with in the space that liquid goods daily use cabin encloses the liquid goods storage tank with the equipartition is equipped with the isolation layer around the daily cabin of liquid goods, the isolation layer includes top isolation layer, lateral wall isolation layer, bottom isolation layer and arranges the liquid goods storage tank with nested isolation layer between the liquid goods transfer cabin, ventilation system includes:
the air feeder is arranged outside the top isolation layer, an air inlet is formed in the top isolation layer, and the air feeder is communicated with the air inlet and is used for feeding external air into the air inlet;
the air supply surrounding well is arranged in the top isolation layer, is communicated with the air inlet, and extends to a preset position along the top isolation layer to enable the external air to form air with stable flow rate in the air supply surrounding well;
one end of the air supply pipe is communicated with the air supply surrounding well, and the other end of the air supply pipe extends along the top isolation layer to be close to the nested isolation layer; a plurality of air supply openings are arranged along the length direction of the air supply pipe and are used for uniformly supplying the air into the top isolation layer;
the air supply channel is arranged on each deck between the top isolation layer and the bottom isolation layer, and a plurality of ventilation holes are formed in the air supply channel; for delivering gas within said top barrier layer into said sidewall barrier layer and bottom barrier layer;
the air supply abdominal wall is arranged in the nested isolation layer from top to bottom, the top of the air supply abdominal wall is communicated with the air supply port close to the air supply abdominal wall, and the bottom of the air supply abdominal wall extends to the lower part of the liquid cargo daily cabin and is used for supplying air in the air supply pipe into the nested isolation layer;
the exhaust fan is arranged outside the top isolation layer, an exhaust port is arranged on the top isolation layer, and the exhaust fan is arranged at the exhaust port and is used for exhausting gas in the isolation layer from the exhaust port;
an exhaust enclosure communicating with the exhaust outlet and disposed within the top barrier layer along the sidewall barrier layer;
the exhaust air abdomen walls are arranged in the side wall isolating layers from top to bottom, the top of each exhaust air abdomen wall is communicated with the exhaust air enclosing well, the bottom of each exhaust air abdomen wall extends into the bottom isolating layer and is used for sending gas in the bottom isolating layer into the exhaust air enclosing well and discharging the gas from the exhaust outlet.
In one embodiment, an exhaust pipe and a bottom exhaust enclosure are arranged in the bottom isolation layer, the bottom exhaust enclosure and/or the exhaust pipe are/is arranged at the corresponding position of the bottom of each exhaust abdominal wall, the two sides of the liquid cargo daily cabin adopt the combination of the exhaust enclosure and the exhaust pipe, adjustable air inlets are uniformly arranged on the side wall of the exhaust enclosure, and air supply outlets are uniformly arranged on the side wall of the exhaust pipe and used for supplying air in the bottom isolation layer into the exhaust abdominal wall along the exhaust enclosure and the exhaust pipe.
In one embodiment, the total area of the plurality of vents on each deck is adapted to the amount of air supplied by the blower, the width of each of the vents is designated b, wherein b is greater than or equal to 30mm, the length of each of the vents is designated a, wherein a is greater than or equal to 10b, and the arrangement pitch of the plurality of vents on each deck is the same as the width b of the vents, and the distance of each of the vents from the barrier bulkhead is designated L, wherein L is greater than or equal to 1.5b.
In one embodiment, the air supply web walls are built by utilizing hull structural reinforcement materials in the nested isolation layers, the number of the air supply web walls is two, and the two air supply web walls are symmetrically arranged in the nested isolation layers at intervals of a preset distance.
In one embodiment, the plurality of exhaust web walls are built by using hull structural reinforcement materials in the side wall isolation layer, and the plurality of exhaust web walls are sequentially arranged along the side wall isolation layer according to the exhaust amount of the exhaust fan; at least two exhaust abdominal walls can be arranged in parallel at the position with large exhaust amount.
In one embodiment, the air supply surrounding well is provided with an adjustable air port, the air supply surrounding well is built by a hull structure in the top isolation layer, the hull structure is provided with a lightening hole, a ventilation grid is arranged on the lightening hole at a preset position, and the lightening hole for installing the ventilation grid forms the adjustable air port.
In one embodiment, B-type manhole covers are arranged on the air supply abdominal wall and the air exhaust abdominal wall.
In one embodiment, a first fireproof sealing valve is arranged between the air feeder and the air inlet, the air feeder is communicated with the external air through a first air pipe, a first outer surrounding well is arranged at the tail end of the first air pipe, a first air grid is arranged on the first outer surrounding well, and a first ventilation butterfly valve is arranged between the first air pipe and the first outer surrounding well.
In one embodiment, a second fireproof sealing valve is arranged between the exhaust fan and the exhaust outlet, the exhaust fan is communicated with the outside through a second air pipe, a second outer surrounding well is arranged at the tail end of the second air pipe, a second air grille is arranged on the second outer surrounding well, the second outer surrounding well and the first outer surrounding well are arranged at a preset distance, and a second ventilation butterfly valve is arranged between the second air pipe and the second outer surrounding well.
The comprehensive ventilation system of the ship has the beneficial effects that:
1. by arranging the structural surrounding well, the air supply abdominal wall air duct, the air exhaust abdominal wall air duct and the ventilation pipe combined ventilation system in the isolation layer area, the ventilation pipe which is arranged densely is replaced, the construction space in the isolation layer is improved to a great extent, the interference problem among professions is solved, the construction difficulty is reduced, the construction efficiency is effectively improved, and the arrangement of the comprehensive ventilation air pipes in a limited space and a concentrated pipe bundle area is facilitated;
2. meanwhile, the use of the large-diameter air pipe and the manufacture and welding of the air pipe bracket are reduced, and the amount of the mounting materials of the air pipe and the bracket is shortened. Through reasonable stage arrangement, the cabin entering and the installation of the abdominal wall air duct, the structural surrounding well and the ventilation pipe are completed before the ship body ring segments are folded, so that manpower and material resources are saved to a great extent, the production and manufacturing cost and the installation difficulty are reduced, and constructors can operate in a relatively good installation environment;
3. different ship types can be used as reference, and the replicability is extremely high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a general ventilation system for a ship according to an embodiment of the present application;
FIG. 2 is a top view of one of the top spacer layers shown in FIG. 1;
FIG. 3 is a cross-sectional view in the direction A-A of the full ship ventilation system shown in FIG. 2;
FIG. 4 is a B-B directional cross-sectional view of the marine full ventilation system shown in FIG. 3;
FIG. 5 is a top view of a bottom spacer layer according to an embodiment of the present application;
FIG. 6 is a schematic view of a vent according to an embodiment of the present application;
FIG. 7 is a schematic view of a structure of a lightening hole and ventilation grid according to an embodiment of the present application;
fig. 8 is a schematic structural view of an air-blowing abdominal wall according to an embodiment of the present application;
FIG. 9 is a cross-sectional view of an air delivery abdominal wall according to an embodiment of the present application;
fig. 10 is a schematic structural view of a B-type manhole cover according to an embodiment of the present application.
100. A liquid cargo storage tank; 110. a liquid cargo daily tank; 111. structural reinforcement; 120. a liquid cargo transferring cabin; 210. a top isolation layer; 220. a sidewall spacer; 230. a bottom isolation layer; 240. nesting an isolation layer; 300. an air supply device; 310. a blower; 311. a first fire seal valve; 312. a first air duct; 313. a first ventilation butterfly valve; 320. blowing in a surrounding well; 321. an adjustable tuyere; 3211. a ventilation grid; 322. a sealing plate; 330. an air supply pipe; 331. an air supply port; 340. air supply abdominal wall; 341. an adjustable ventilation grille; 350. a first outer well; 351. a first air grill; 400. a deck; 410. a vent hole; 500. an exhaust device; 510. an exhaust fan; 511. a second fire seal valve; 512. a second air duct; 513. a second vent butterfly valve; 514. a second peripheral well; 515. a second air grill; 520. air exhaust surrounding well; 530. an exhaust abdominal wall; 531. b-type manhole cover; 540. a bottom exhaust surrounding well; 550. and an exhaust pipe.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
The utility model provides a comprehensive ventilation system of boats and ships, see fig. 1-4, arrange liquid goods storage tank 100 in the boats and ships, liquid goods daily use cabin 110 and liquid goods transfer cabin 120, the middle-lower part in liquid goods storage tank 100 is arranged in the nest of liquid goods daily use cabin 110, liquid goods transfer cabin 120 is arranged in the space that liquid goods storage tank 100 and liquid goods daily use cabin 110 enclose, equipartition is equipped with the isolation layer around liquid goods storage tank 100 and liquid goods daily use cabin 110, the isolation layer includes top isolation layer 210, lateral wall isolation layer 220, bottom isolation layer 230 and the nested isolation layer 240 of arranging between liquid goods storage tank 100 and liquid goods transfer cabin 120, the comprehensive ventilation system of boats and ships of this application includes air supply arrangement 300 and exhaust apparatus 500.
The air supply device comprises an air supply fan 310, an air supply surrounding well 320, an air supply pipe 330, an air supply channel and an air supply abdominal wall 340. The exhaust device comprises an exhaust fan 510, an exhaust well 520 and a plurality of exhaust web walls 530.
The blower 310 is disposed outside the top isolation layer 210, and an air inlet is disposed on the top isolation layer 210, and the blower 310 is communicated with the air inlet and is used for sending external air into the air inlet. The air supply well 320 is disposed in the top isolation layer 210, and the air supply well 320 communicates with the air inlet and extends to a predetermined position along the top isolation layer 210 to allow the external air to form a stable flow rate of air in the air supply well 320. The blower web 340 has one end communicating with the blower enclosure 320 and another end extending along the top barrier layer 210 to near the nested barrier layer 240. A plurality of air supply ports 331 are provided along the length direction of the air supply duct 330 for uniformly supplying the gas into the top separator 210.
A plurality of ventilation holes 410 are provided on each deck between the top isolation layer 210 and the bottom isolation layer 230, and the ventilation holes 410 constitute a ventilation passage. The air supply passage is used to supply the gas in the top barrier layer 210 into the sidewall barrier layer 220 and the bottom barrier layer 230. The air-supplying web 340 is disposed in the nested insulation layer 240 from top to bottom, the top of the air-supplying web 340 communicates with the air-supplying port 331 adjacent thereto, and the bottom extends below the deck of the nested insulation layer 240 for supplying air into the nested insulation layer 240 along the air-supplying web 340.
Wherein the exhaust fan 510 is disposed outside the top separation layer 210, and an exhaust port is provided on the top separation layer 210, and the exhaust fan 510 is disposed at the exhaust port for exhausting the gas in the separation layer from the exhaust port. The exhaust plenum 520 communicates with the exhaust port and is disposed within the top barrier layer 210 along the sidewall barrier layer 220. The plurality of exhaust webs 530, each exhaust web 530 is disposed in the sidewall spacer 220 from top to bottom, the top of each exhaust web 530 is connected to the exhaust enclosure 520, and the bottom extends into the bottom spacer 230 for delivering the gas in the bottom spacer 230 into the exhaust enclosure 520 and out the exhaust outlet.
In the implementation process, the air supply device adopts a mode of combining the air supply surrounding well with the air supply pipe, a voltage stabilizing area of a ventilation airflow field is established through the air supply surrounding well, and external air is surrounded to establish pressure. Because the relatively low-wind-speed wind in the air supply surrounding well cannot be delivered into the nested isolation layer, the air supply potential energy needs to be established through the air supply pipe with a small cross section. The air supply pressure is built in the air supply pipe again through the air supply pipe, the air speed in the air supply pipe can be increased to 8m/s, and an air outlet pressure head is formed, so that the air quantity of the air outlet on the air supply abdominal wall is ensured to meet the preset requirement. After the air flow field of the air in the air supply surrounding well is established stably, the residual air quantity in the air supply surrounding well can be conveyed to each isolation layer area through the air supply pipe. The air-feeding and exhausting abdominal wall is designed by referring to the air pipe flow velocity, and can realize high flow velocity in a limited space through small holes, wherein the flow velocity of the air in the air-feeding and exhausting abdominal wall can reach 13m/s. On the premise that the bottom of the nested isolation layer 240 is in contact with the liquid cargo daily cabin 110, but not in the exhaust area of the bottom, the air supply abdominal wall with high air speed can ensure that better air field flow is obtained in the nested isolation layer, so that the air speed in the nested isolation layer 240 is replaced.
In designing ventilation gas flow rates of an air supply surrounding well, an air supply pipe and an air supply and exhaust abdominal wall, the calculation design is carried out according to a formula Q=60deg.VA, wherein Q is ventilation air quantity, and the unit is m 3 A/min; v is wind speed, and the unit is m/s; a is the cross-sectional area in m 2 。
The ventilation system of the application enables the construction space of the isolation layer area to be improved to a great extent. To the boats and ships that have liquid goods daily use cabin and liquid goods transfer cabin, combine the isolation layer structural feature of boats and ships, add abdominal wall wind channel and ventilation pipe combination application through the structure surrounding well, top isolation layer air supply arrangement and with arrange in bottom isolation layer exhaust device and form pressure differential assurance isolation layer air and put, this comprehensive design form has replaced original single big latus rectum ventilation pipe to arrange, has reduced the degree of difficulty of construction, has effectively promoted the efficiency of construction, is favorable to arranging comprehensive ventilation system in limited space, concentrated tube bank district design, and the different ship types of this design form all can be referred to, and the replicability is high. The use of the large-diameter ventilation pipe is reduced, the manufacture and welding of the air pipe support are reduced, and the amount of the mounting materials of the air pipe and the support is shortened. The ship has the advantages that the ship is reduced in material quantity, and meanwhile, through reasonable stage arrangement, the cabin entering and the installation of the abdominal wall surrounding well, the ventilation surrounding well and the air pipe are completed before the ship body ring segments are folded, so that manpower and material resources are saved to a great extent, the production and manufacturing cost and the installation difficulty are reduced, and constructors can operate in a relatively good installation environment. In the centralized tube bundle area, the interference problem among professions is effectively solved, and other professions can directly pass through the ventilation surrounding well without affecting the comprehensive ventilation performance. The method and the process for implementing the comprehensive ventilation design of the isolation layer after the improvement of the slimming form create excellent space and environmental conditions for each professional system in the construction stage and the verification stage.
Fig. 5 is a top view of a bottom isolation layer according to an embodiment of the present application, referring to fig. 5, an exhaust pipe 550 and a bottom exhaust enclosure 540 are disposed in the bottom isolation layer 230, the bottom exhaust enclosure 540 and/or the exhaust pipe 550 are disposed at the corresponding positions of the bottom of each exhaust abdominal wall 530, adjustable air ports 321 are uniformly disposed on the side walls of the bottom exhaust enclosure 540, air supply ports 331 are uniformly disposed on the side walls of the exhaust pipe 550, and the air in the bottom isolation layer 230 is supplied into the exhaust abdominal wall 530 along the bottom exhaust enclosure 540 and the exhaust pipe 550. Based on that the liquid cargo day tank 110 occupies a part of the space in the bottom isolation layer 230, the space on both sides of the liquid cargo day tank 110 is large, and the bottom exhaust surrounding well 540 and the exhaust pipe 550 can be combined, that is, the exhaust pipe 550 is arranged on both sides of the liquid cargo day tank 110, and the gas on both sides is fully exhausted by utilizing the conversion of the ventilation cross section.
FIG. 6 is a schematic diagram of a vent structure according to an embodiment of the present application, referring to FIG. 6, the total area of the plurality of vents 410 on each deck 400 is adapted to the air supply of the blower 310, the width b of each vent 410 is greater than or equal to 30mm, the length a is greater than or equal to 10b, and the arrangement pitch of the plurality of vents 410 on each deck 400 is the same as the width b of the vent, and each vent 410 is greater than or equal to 1.5b from the isolation layer bulkhead L. When the vent holes are actually arranged, the width b of the vent holes 410 is limited to be more than or equal to 30mm, and the length a is more than or equal to 10b in combination with the limit value of the allowable abutting weld joint of the ship body and the size of the passing open holes is not affected.
In one embodiment, referring to fig. 9 and 10, the plenum web 340 is built up using hull structural stiffening members 111 within the nested insulation 240. The existing structure of the ship body is adopted for building, and the tops of the two structural strengthening materials 111 are closed to build an air supply abdominal wall 340, so that the space in the isolation layer is not occupied, and the ship body structure is firmer. The number of the air supply web walls 340 is two, and the two air supply web walls 340 are symmetrically arranged in the nested insulation layer 240 at a predetermined distance. The two air supply webs 340 are too close and the air flow fields cancel each other out and the turbulence of the two air supply webs hurt each other to cancel the supply pressure. A plurality of adjustable ventilation bars 341 are arranged at predetermined intervals along the length direction of the air blowing abdominal wall 340.
In one embodiment, the plurality of exhaust air webs 530 are constructed by using the hull structural reinforcement in the sidewall spacer layer, and the structural form is the same as that of the air supply web 340, which will not be described again. Referring to fig. 3, a plurality of exhaust web walls 530 are sequentially arranged along the sidewall insulation layer 220 according to the exhaust amount of the exhaust fan 510; at least two of the exhaust web 530 may be juxtaposed at a location where the amount of exhaust is large.
In one embodiment, the supply enclosure 320 is provided with adjustable vents 321, and the supply enclosure 320 is built with a hull structure within the top isolation layer 210, with relief holes in the hull structure. Fig. 7 is a schematic structural view of a lightening hole and a ventilation grating according to an embodiment of the present application, referring to fig. 7, a ventilation grating 3211 is installed on the lightening hole at a predetermined position, and the lightening hole on which the ventilation grating 3211 is installed forms the adjustable tuyere 321. Relief holes in the supply enclosure 320 that do not serve as ventable vents may be plugged with a closure plate 322.
In one embodiment, B-type manhole covers 531 are provided on both the supply and exhaust webs 340, 530 to facilitate the grinding and painting operation of the webs.
In one embodiment, a first fire seal valve 311 is provided between the blower 310 and the intake vent, the first fire seal valve 311 meeting watertight/fire protection requirements. The blower 310 is communicated with the external air through the first air pipe 312, a first outer surrounding well 350 is arranged at the tail end of the first air pipe 312, a first air grid 351 is arranged on the first outer surrounding well 350, a first ventilation butterfly valve 313 is arranged between the first air pipe 312 and the first outer surrounding well 350, and the first ventilation butterfly valve 313 meets the water/air tightness requirement. Through set up outside the surrounding well outside the forced draught blower, add the air grille on the outside surrounding well, the air grille can be rain-proof, can reduce about 60% rainwater and go into, can deposit water in the outside surrounding well to through passing through the boats and ships drainage system with deposit water and arrange to the outboard. Meanwhile, the outer surrounding well is arranged, so that the wind speed can be initially controlled, the wind speed in the outer surrounding well is controlled to be 5-7m/s, high wind speed turbulence loss is prevented, and the wind speed entering the isolation layer is controlled.
In one embodiment, a second fire-proof sealing valve 511 is provided between the exhaust fan 510 and the exhaust outlet, and the second fire-proof sealing valve 511 should meet watertight/fire-proof requirements. The exhaust fan 510 is communicated with the external environment through a second air pipe 512, a second outer surrounding well 514 is arranged at the tail end of the second air pipe 512, a second air grid 515 is arranged on the second outer surrounding well 514, and the second outer surrounding well 514 is arranged at least 3 meters away from the first outer surrounding well 350, so that gas interweaving is prevented. A second ventilation butterfly valve 513 is provided between the second air duct 512 and the second peripheral well 514. The second ventilation butterfly valve 513 fulfils the watertight/airtight requirements.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (9)
1. Comprehensive ventilation system of boats and ships, arranged liquid goods storage tank, liquid goods transfer cabin and liquid goods daily use cabin in the boats and ships, the nested arrangement of liquid goods daily use cabin is in the well lower part of liquid goods storage tank, liquid goods transfer cabin is arranged in the liquid goods storage tank with the space that liquid goods daily use cabin encloses the liquid goods storage tank with the equipartition is equipped with the isolation layer around the daily cabin of liquid goods, the isolation layer includes top isolation layer, lateral wall isolation layer, bottom isolation layer and arranges the liquid goods storage tank with nested isolation layer between the liquid goods transfer cabin, be equipped with air intake and air exit on the top isolation layer, its characterized in that includes:
the air supply surrounding well is arranged in the top isolation layer, is communicated with the air inlet, and extends to a preset position along the top isolation layer to enable the external air to form air with stable flow rate in the air supply surrounding well;
one end of the air supply pipe is communicated with the air supply surrounding well, and the other end of the air supply pipe extends along the top isolation layer to be close to the nested isolation layer; a plurality of air supply openings are arranged along the length direction of the air supply pipe and are used for uniformly supplying the air into the top isolation layer;
the air supply channel is arranged on each deck between the top isolation layer and the bottom isolation layer, and a plurality of ventilation holes are formed in the air supply channel; the air supply channel is used for supplying air in the top isolation layer into the side wall isolation layer and the bottom isolation layer;
the air supply abdominal wall is arranged in the nested isolation layer from top to bottom, the top of the air supply abdominal wall is communicated with the air supply port close to the air supply abdominal wall, and the bottom of the air supply abdominal wall extends to the lower part of the liquid cargo daily cabin and is used for supplying air in the air supply pipe into the nested isolation layer;
an exhaust enclosure communicating with the exhaust outlet and disposed within the top barrier layer along the sidewall barrier layer;
the exhaust air abdomen walls are arranged in the side wall isolating layers from top to bottom, the top of each exhaust air abdomen wall is communicated with the exhaust air enclosing well, the bottom of each exhaust air abdomen wall extends into the bottom isolating layer and is used for sending gas in the bottom isolating layer into the exhaust air enclosing well and discharging the gas from the exhaust outlet.
2. The ship comprehensive ventilation system according to claim 1, wherein an exhaust pipe and a bottom exhaust enclosure are arranged in the bottom isolation layer, the bottom exhaust enclosure and/or the exhaust pipe are arranged at the corresponding positions of the bottom of each exhaust belly wall, the two sides of the liquid cargo daily-use cabin are in a mode of combining the exhaust enclosure and the exhaust pipe, adjustable air openings are uniformly formed in the side walls of the exhaust enclosure, and air outlets are uniformly formed in the side walls of the exhaust pipe and are used for conveying air in the bottom isolation layer into the exhaust belly wall along the exhaust enclosure and the exhaust pipe.
3. The marine global ventilation system of claim 1, further comprising a blower disposed outside of the top barrier layer, the blower in communication with the air intake; the total area of the plurality of ventilation holes on each deck is adapted to the air supply amount of the air blower, the width of each ventilation hole is denoted as b, wherein b is more than or equal to 30mm, the length of each ventilation hole is denoted as a, wherein a is more than or equal to 10b, the arrangement interval of the plurality of ventilation holes on each deck is the same as the width b of the ventilation holes, and the distance between each ventilation hole and the bulkhead of the isolation layer is denoted as L, wherein L is more than or equal to 1.5b.
4. The comprehensive ventilation system of a ship according to claim 1, wherein the air supply web walls are built by using hull structural reinforcement materials in the nested isolation layers, the number of the air supply web walls is two, and the two air supply web walls are symmetrically arranged in the nested isolation layers at intervals of a preset distance.
5. The comprehensive ventilation system for a ship according to claim 3, further comprising an exhaust fan arranged outside the top isolation layer, the exhaust fan being arranged at the exhaust outlet, the plurality of exhaust web walls being built up by using hull structural reinforcement in the side wall isolation layer, the plurality of exhaust web walls being sequentially arranged along the side wall isolation layer according to an exhaust amount of the exhaust fan; at least two exhaust abdominal walls can be arranged in parallel at the position with large exhaust amount.
6. The comprehensive ventilation system of a ship according to claim 1, wherein the supply air surrounding well is provided with an adjustable tuyere, the supply air surrounding well is built with a hull structure in the top isolation layer, the hull structure is provided with a lightening hole, a ventilation grid is installed on the lightening hole at a preset position, and the lightening hole on which the ventilation grid is installed forms the adjustable tuyere.
7. The ship comprehensive ventilation system according to claim 1, wherein B-type manhole covers are provided on both the supply and exhaust web walls.
8. The ship comprehensive ventilation system according to claim 5, wherein a first fireproof sealing valve is arranged between the blower and the air inlet, the blower is communicated with the external air through a first air pipe, a first outer surrounding well is arranged at the tail end of the first air pipe, a first air grid is arranged on the first outer surrounding well, and a first ventilation butterfly valve is arranged between the first air pipe and the first outer surrounding well.
9. The ship comprehensive ventilation system according to claim 8, wherein a second fireproof sealing valve is arranged between the exhaust fan and the exhaust outlet, the exhaust fan is communicated with the outside through a second air pipe, a second outer surrounding well is arranged at the tail end of the second air pipe, a second air grid is arranged on the second outer surrounding well, the second outer surrounding well is arranged at a preset distance from the first outer surrounding well, and a second ventilation butterfly valve is arranged between the second air pipe and the second outer surrounding well.
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| CN202210885092.0A CN115123512B (en) | 2022-07-26 | 2022-07-26 | Comprehensive ventilation system of ship |
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| CN202210885092.0A CN115123512B (en) | 2022-07-26 | 2022-07-26 | Comprehensive ventilation system of ship |
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| CN115123512A CN115123512A (en) | 2022-09-30 |
| CN115123512B true CN115123512B (en) | 2023-05-16 |
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| CN115783219B (en) * | 2023-01-06 | 2023-05-19 | 江苏国兴通风设备有限公司 | Marine ventilation equipment that intelligent monitoring control was adjusted |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3519394A1 (en) * | 1985-05-30 | 1986-12-04 | Blohm + Voss Ag, 2000 Hamburg | VESSEL WITH SEVERAL DECKS AND SEVERAL AREAS LAYING AHEAD BY AREAS SEPARATED BY DIVIDES |
| WO2001014205A1 (en) * | 1999-08-19 | 2001-03-01 | Austal Ships Pty Ltd | Ventilation systems for water-borne vessels |
| EP2599710B1 (en) * | 2010-07-27 | 2016-04-20 | Daewoo Shipbuilding&Marine Engineering Co., Ltd. | Ventilation apparatus of a drillship |
| KR101695880B1 (en) * | 2010-09-29 | 2017-01-23 | 대우조선해양 주식회사 | Ventilation system and method for thruster canister |
| CN107856832A (en) * | 2017-09-15 | 2018-03-30 | 沪东中华造船(集团)有限公司 | A kind of naval vessel ventilating system of watertight isolation |
| CN109835459B (en) * | 2019-02-02 | 2021-02-12 | 中国船舶及海洋工程设计研究院（中国船舶工业集团公司第七0八研究所） | Integrated ventilation system for ship |
| CN114348228B (en) * | 2022-01-20 | 2022-10-21 | 江南造船(集团)有限责任公司 | Ventilation system for marine isolation cabin |
| CN114348229A (en) * | 2022-02-17 | 2022-04-15 | 广船国际有限公司 | Ventilation system and passenger ship |
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