CN112407182B - Method for arranging water supply pipeline built on ship - Google Patents
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- CN112407182B CN112407182B CN202011253436.3A CN202011253436A CN112407182B CN 112407182 B CN112407182 B CN 112407182B CN 202011253436 A CN202011253436 A CN 202011253436A CN 112407182 B CN112407182 B CN 112407182B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B71/00—Designing vessels; Predicting their performance
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Abstract
The invention discloses a method for arranging water supply pipelines built on ships, and relates to the technical field of ship building. The method comprises the following steps that water for an upper residential building area enters a main pipe after passing through a fresh water pressure cabinet from a cabin fresh water cabin, a plurality of decks are built on a ship, two decks are grouped into one group, two adjacent decks at the bottom are grouped into one group, and by analogy, the upper decks of the ship are divided into a plurality of groups from bottom to top, and if the number of the decks is singular, the driving decks at the uppermost layer are independently grouped into one group; the two decks of each group share one layer of trunk pipe, the trunk pipe is arranged at the top of the deck at the lower layer in the two decks of the same group, and if the driving deck at the uppermost layer is a group independently, the driving deck at the uppermost layer uses one trunk pipe independently; a plurality of main pipes used by the plurality of groups of decks are supplied with water by a main pipe, and the plurality of main pipes are annularly arranged. The invention has the advantages that: the pipeline material is saved, and the pressure loss in the pipeline is reduced; the labor cost is reduced, a large amount of design space is saved for the upper deck, and the aims of cost reduction and efficiency improvement are fulfilled.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a method for arranging a water supply pipeline built on a ship.
Background
The water supply system of the ship is used for meeting the daily life water requirement of the crew and passengers. The water supply mode is divided into gravity water supply and pressure water supply, and the gravity water supply is characterized in that water in the water tank flows to all water using positions of the whole ship through pipelines under the action of gravity, so all gravity water tanks arranged on the ship are required to be arranged on a deck higher than the water using positions. The water supply line is very simple, the water pump is used for filling water into the water tank, and the water tank is directly connected with a water using place through a pipe and a valve. The pressure water supply is characterized in that a closed pressure water tank is used for replacing a gravity water tank, and water is delivered to each water consumption position by means of the pressure of air in the water tank. The water supply system needs to be designed according to the water consumption room of the ship, so that the overlong water supply pipeline is avoided, the water supply stability is ensured, and the construction and the laying are convenient.
In the prior art, a method for designing an upper building water supply layout adopted in a current ship building according to a turbine engineering manual is as follows: water for the upper residential area is delivered to the residential area from the cabin fresh water cabin through the fresh water pressure cabinet and the mineralization device through the main pipe, and then is delivered to the residential area, and then is divided into branch pipes through the main pipe and delivered to the interlayer deck, as shown in figure 1. However, in this arrangement method, the trunk pipes need to be arranged on each deck, and then the trunk pipes on each deck are sent to each water consumption point on the deck, so that a large amount of trunk pipe materials are wasted, the installation time is wasted, the pressure of water supplied in the pipeline is correspondingly lost due to the waste of the pipeline, the more the number of built-up layers is, the greater the lost pressure is, and the pressure is often insufficient after the water is supplied to the driving deck due to the pressure loss.
Disclosure of Invention
The invention aims to provide a method for arranging water supply pipelines built on ships, which can solve the problems of waste of main pipe materials, low installation efficiency and insufficient pressure after water is supplied to a driving deck due to pressure loss of water in the pipelines caused by the fact that all decks are provided with main pipes.
In order to solve the technical problems, the technical scheme of the invention is as follows: the method comprises the following steps that water for an upper residential building area enters a main pipe after passing through a fresh water pressure cabinet from a cabin fresh water cabin, a plurality of decks are built on a ship, two decks are grouped into a group, two adjacent decks at the bottom are grouped into a group from the bottom, two adjacent decks at the bottom are grouped into a group, two adjacent decks up are grouped into a group, and by analogy, the upper decks of the ship are divided into a plurality of groups from bottom to top, and if the number of the decks is singular, the driving decks at the uppermost layer are independently grouped into a group;
the two decks of each group share one layer of main pipe, the shared one layer of main pipe is positioned between the two decks of the same group, so that the shared main pipe can be used for respectively supplying water to the upper deck and the lower deck of the same group, the upper deck is supplied with water through pressure, the lower deck is supplied with water through gravity, if the driving deck on the uppermost layer is a group independently, one main pipe is independently used, and the main pipe is positioned at the top of the driving deck and supplies water to the driving deck through gravity;
several main pipes that the several deck used supply water by the house steward, and the several main pipe is the annular setting, and house steward supplies water and gets into from the below of cyclic annular main pipe, and through cyclic annular main pipe annular a week, the below of main pipe is passed through the branch pipe and is supplied water to each water consumption point on the lower deck of same group, and the top of main pipe is passed through the branch pipe and is supplied water to each water consumption point on the upper deck of same group.
Furthermore, a stop valve is arranged at an inlet of the main pipe communicated with the main pipe, and a stop valve is arranged at the tail end of the main pipe.
Further, the specific water supply pipeline arrangement steps are as follows:
s1, grouping two adjacent upper deck plates into a group, grouping two adjacent lowest deck plates into a group, grouping two adjacent upward deck plates into a group, and so on, dividing the upper deck plates of the ship into a plurality of groups from bottom to top, and if the number of the deck plates is singular, independently grouping the uppermost driving deck plates into a group;
s2, obtaining the pipe diameter of a trunk pipe shared by each group of decks according to the total number of water using appliances and the pipe diameters of branch pipes designed by each group of decks, the simultaneous use coefficient of the water using appliances and the equivalent number of the pipe diameters of water supply pipelines;
s3, preparing a main pipe, a main pipe and branch pipes with required pipe diameters according to requirements;
s4, installing a main pipe, a main pipe and branch pipes: the cabin fresh water cabin is connected with a fresh water pressure cabinet, the fresh water pressure cabinet is connected with a main pipe, the main pipe is longitudinally installed, a main pipe is installed at the top of a deck positioned at the lower layer in two layers of decks of the same group, the main pipe is installed in an annular shape, then the lower part of the main pipe is connected with a water using point positioned on the deck at the lower layer through a branch pipe, the upper part of the main pipe is connected with a water using point positioned on the deck at the upper layer through a branch pipe, water is supplied to the water using point on the deck at the upper layer through pressure, water is supplied to the water using point on the deck at the lower layer through gravity, if the driving deck at the uppermost layer is independently a group, the main pipe is independently used, the main pipe is positioned at the top of the driving deck, the lower part of the main pipe is connected with the water using point on the driving deck through a branch pipe, water is supplied to the driving deck through gravity, finally, the inlet end of each main pipe is connected with the main pipe, and a stop valve is installed at the inlet end of the main pipe, a stop valve is installed at the end of the main pipe.
The invention has the advantages that: according to the invention, two adjacent decks are used as a group and share one main pipe for water supply, 40% of materials for building up water supply pipelines can be saved by a single ship, so that the material cost and the labor cost are reduced in the actual production process, the construction speed and quality are improved, the intrinsic safety of construction is improved, a large amount of design space is saved for the upper deck in each group of decks, and the purposes of cost reduction and efficiency improvement are realized;
the pressure loss in the pipeline is reduced while the pipeline is saved, and the main pipe is ensured to be supplied with water under enough pressure after being sent to a driving deck.
Drawings
FIG. 1 is a schematic diagram of a prior art water supply system;
fig. 2 is a schematic diagram of the arrangement of the water supply pipeline built on the ship.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description. The following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.
The specific implementation mode adopts the following technical scheme: the method comprises the following steps that water for an upper residential building area enters a main pipe after passing through a fresh water pressure cabinet from a cabin fresh water cabin, a plurality of decks are built on a ship, two decks are grouped into a group, two adjacent decks at the bottom are grouped into a group from the bottom, two adjacent decks at the bottom are grouped into a group, two adjacent decks up are grouped into a group, and by analogy, the upper decks of the ship are divided into a plurality of groups from bottom to top, and if the number of the decks is singular, the driving decks at the uppermost layer are independently grouped into a group;
the two decks of each group share one layer of main pipe, the shared one layer of main pipe is positioned between the two decks of the same group, so that the shared main pipe can be used for respectively supplying water to the upper deck and the lower deck of the same group, the upper deck is supplied with water through pressure, the lower deck is supplied with water through gravity, if the driving deck on the uppermost layer is a group independently, one main pipe is independently used, and the main pipe is positioned at the top of the driving deck and supplies water to the driving deck through gravity;
several main pipes that the several deck used are supplied water by the house steward, and the several main pipe is the annular setting, and house steward supplies water and gets into from the below of cyclic annular main pipe, and through cyclic annular main pipe annular a week, the below of main pipe is passed through the branch pipe and is supplied water to each water consumption point on the lower deck of same group, and the branch pipe is passed through to each water consumption point on the upper deck of same group in the top of main pipe supplies water, and the entrance of main pipe and house steward intercommunication sets up the stop valve, and the end of main pipe sets up the stop valve.
The specific water supply pipeline arrangement steps of this embodiment are as follows:
s1, grouping two adjacent upper deck plates into a group, grouping two adjacent lowest deck plates into a group, grouping two adjacent upward deck plates into a group, and so on, dividing the upper deck plates of the ship into a plurality of groups from bottom to top, and if the number of the deck plates is singular, independently grouping the uppermost driving deck plates into a group;
s2, obtaining the pipe diameter of a trunk pipe shared by each group of decks according to the total number of water using appliances and the pipe diameters of branch pipes designed by each group of decks, the simultaneous use coefficient of the water using appliances and the equivalent number of the pipe diameters of water supply pipelines;
TABLE 1 caliber gauge for each water appliance
Caliber of water-using appliances (mm)
Table 2 shows the coefficient of simultaneous use Y of water appliances
Coefficient of simultaneous use of water appliances Y
| Total number of appliances | 2 | 3 | 4 | 5 | 10 | 15 | 20 | 30 | 50 | 100 |
| Y/(％) | 100 | 80 | 75 | 70 | 53 | 48 | 43 | 40 | 36 | 33 |
Table 3 is a water supply pipeline equivalent caliber meter (caliber equivalent E)
Water supply pipeline equivalent caliber gauge (caliber equivalent E)
For example, there are 20 washbasins, the pipe diameter of each branch pipe is 15mm, and the pipe diameter of the main pipe is required to be taken. According to table 2, the simultaneous use coefficient Y is 0.43,20 x 0.43 is 8.6, and further table 3 can find that the pipe diameter of 40mm is equivalent to 11 pipe diameters of 15mm, so that 40mm is enough to be used as a dry pipe.
The ship of the embodiment is the arrangement of a 208KB & C deck water supply pipeline, taking one group of decks as an example, 25 wash basins are designed on the two adjacent decks in the same group, the pipe diameter of each branch pipe is 20mm, the simultaneous use coefficient Y is found to be 0.40 according to the table 2, 25 x 0.4 is 10, and the pipe diameter of 50mm which is equivalent to 10 pipe diameters of 20mm can be found by looking up the table 3, so that the use amount of 25 wash basins on the two decks can be met by adopting 50mm as a main pipe;
s3, preparing a main pipe, a main pipe and branch pipes with required pipe diameters according to requirements;
s4, installing a main pipe, a main pipe and branch pipes: the cabin fresh water cabin is connected with a fresh water pressure cabinet, the fresh water pressure cabinet is connected with a main pipe, the main pipe is longitudinally installed, a main pipe is installed at the top of a deck positioned at the lower layer in two layers of decks of the same group, the main pipe is installed in an annular shape, then the lower part of the main pipe is connected with a water using point positioned on the deck at the lower layer through a branch pipe, the upper part of the main pipe is connected with a water using point positioned on the deck at the upper layer through a branch pipe, water is supplied to the water using point on the deck at the upper layer through pressure, water is supplied to the water using point on the deck at the lower layer through gravity, if the driving deck at the uppermost layer is independently a group, the main pipe is independently used, the main pipe is positioned at the top of the driving deck, the lower part of the main pipe is connected with the water using point on the driving deck through a branch pipe, water is supplied to the driving deck through gravity, finally, the inlet end of each main pipe is connected with the main pipe, and a stop valve is installed at the inlet end of the main pipe, a shut-off valve is installed at the end of the main pipe as shown in fig. 2.
The water supply main pipes on the upper deck of the same group of decks can be completely cancelled, so that 40% of water supply pipeline materials are saved, a large amount of pipeline materials can be saved, and the pressure loss in the pipelines is reduced, so that the water supply pressure can still meet the normal use after reaching the driving deck; and the labor cost of field installation and manufacturing is reduced, a large amount of design space is saved for the upper deck, and the aims of cost reduction and efficiency improvement are fulfilled.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A method for arranging water supply pipelines in ships is characterized in that water for residential areas in ships enters a main pipe from cabin fresh water cabins through a fresh water pressure cabinet, and the method comprises the following steps: building a plurality of decks on the ship, grouping two decks into a group, starting from the lowest part, grouping two adjacent layers of decks at the lowest part into a group, grouping two adjacent layers of decks upwards into a group, and so on, dividing the upper deck of the ship into a plurality of groups from bottom to top, wherein if the number of the decks is singular, the driving deck at the uppermost layer is independently a group;
the two decks of each group share one layer of main pipe, the shared one layer of main pipe is positioned between the two decks of the same group, so that the shared main pipe can be used for respectively supplying water to the upper deck and the lower deck of the same group, the upper deck is supplied with water through pressure, the lower deck is supplied with water through gravity, if the driving deck on the uppermost layer is a group independently, one main pipe is independently used, and the main pipe is positioned at the top of the driving deck and supplies water to the driving deck through gravity;
several main pipes that the several deck used supply water by the house steward, and the several main pipe is the annular setting, and house steward supplies water and gets into from the below of cyclic annular main pipe, and through cyclic annular main pipe annular a week, the below of main pipe is passed through the branch pipe and is supplied water to each water consumption point on the lower deck of same group, and the top of main pipe is passed through the branch pipe and is supplied water to each water consumption point on the upper deck of same group.
2. A method of arranging a water supply pipeline on a vessel according to claim 1, wherein: the inlet that the main pipe and house steward communicate sets up the stop valve, the end of main pipe sets up the stop valve.
3. A method of arranging a water supply pipeline on a vessel according to claim 1, wherein: the specific water supply pipeline arrangement steps are as follows:
s1, grouping two adjacent upper deck plates into a group, grouping two adjacent lowest deck plates into a group, grouping two adjacent upward deck plates into a group, and so on, dividing the upper deck plates of the ship into a plurality of groups from bottom to top, and if the number of the deck plates is singular, independently grouping the uppermost driving deck plates into a group;
s2, obtaining the pipe diameter of a trunk pipe shared by each group of decks according to the total number of water using appliances and the pipe diameters of branch pipes designed by each group of decks, the simultaneous use coefficient of the water using appliances and the equivalent number of the pipe diameters of water supply pipelines;
s3, preparing a main pipe, a main pipe and branch pipes with required pipe diameters according to requirements;
s4, installing a main pipe, a main pipe and branch pipes: the cabin fresh water cabin is connected with a fresh water pressure cabinet, the fresh water pressure cabinet is connected with a main pipe, the main pipe is longitudinally installed, a main pipe is installed at the top of a deck positioned at the lower layer in two layers of decks of the same group, the main pipe is installed in an annular shape, then the lower part of the main pipe is connected with a water using point positioned on the deck at the lower layer through a branch pipe, the upper part of the main pipe is connected with a water using point positioned on the deck at the upper layer through a branch pipe, water is supplied to the water using point on the deck at the upper layer through pressure, water is supplied to the water using point on the deck at the lower layer through gravity, if the driving deck at the uppermost layer is independently a group, the main pipe is independently used, the main pipe is positioned at the top of the driving deck, the lower part of the main pipe is connected with the water using point on the driving deck through a branch pipe, water is supplied to the driving deck through gravity, finally, the inlet end of each main pipe is connected with the main pipe, and a stop valve is installed at the inlet end of the main pipe, a stop valve is installed at the end of the main pipe.
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| CN202011253436.3A CN112407182B (en) | 2020-11-11 | 2020-11-11 | Method for arranging water supply pipeline built on ship |
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| CN112407182B true CN112407182B (en) | 2021-11-12 |
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| CN209581776U (en) * | 2018-11-30 | 2019-11-05 | 日照市万泽丰渔业有限公司 | Domestic water pipeline system on a kind of ship |
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2020
- 2020-11-11 CN CN202011253436.3A patent/CN112407182B/en active Active
Patent Citations (6)
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|---|---|---|---|---|
| CN101195411A (en) * | 2006-12-07 | 2008-06-11 | 上海港复兴船务公司 | Full-automatic constant pressure watercraft water supply system |
| KR20130120587A (en) * | 2012-04-26 | 2013-11-05 | 에스티엑스조선해양 주식회사 | Rainwater recycling system for ship |
| CN204775978U (en) * | 2015-05-21 | 2015-11-18 | 无锡红旗船厂有限公司 | Steamer domestic water is from circulation system |
| CN205075995U (en) * | 2015-10-29 | 2016-03-09 | 大连船舶重工集团有限公司 | Ballast tank ballast water water supply system |
| CN206888064U (en) * | 2017-06-19 | 2018-01-16 | 无锡红旗船厂有限公司 | A kind of cabin domestic water supplying system |
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Non-Patent Citations (1)
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