CN211196584U - Chemical ship cargo hold cooling system - Google Patents
Chemical ship cargo hold cooling system Download PDFInfo
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- CN211196584U CN211196584U CN201921889283.4U CN201921889283U CN211196584U CN 211196584 U CN211196584 U CN 211196584U CN 201921889283 U CN201921889283 U CN 201921889283U CN 211196584 U CN211196584 U CN 211196584U
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Abstract
The utility model discloses a chemicals ship cargo hold cooling system, including cooling arrangement, heating device, add hot water supply main pipe, add hot water return main pipe, the cooling water supply main pipe, the cooling water return main pipe, the cooling water supply main pipe connects cooling device's delivery port, the cooling water return main pipe connects cooling device's water inlet, add hot water supply main pipe's delivery port of connecting heating device, add hot water return main pipe and connect heating device's water inlet, the cooling water supply main pipe passes through the second isolating valve with cooling water return main pipe and is connected, add hot water supply main pipe and add hot water return main pipe and be connected through first isolating valve, add hot water supply branch pipe, the end of intaking of coil pipe in the cargo hold is all connected to cooling water supply branch pipe, add hot water return branch pipe, the water end. The utility model discloses simple structure, low cost has solved the problem that cargo hold cooling system is with high costs, and with coil pipe in the heating system sharing cargo hold, the part changes the under-deck distribution of coil pipe in the cargo hold, has realized the function of low-cost low energy consumption cooling goods.
Description
Technical Field
The utility model belongs to the technical field of chemical ship design and construction, concretely relates to chemical ship cargo hold cooling system.
Background
With the continuous development of the chemical industry, the trade transportation amount of various chemical raw materials on the sea is continuously increased. The low boiling point product propylene oxide is used as a basic chemical raw material, and more chemical ships are required to have a function of operating low boiling point chemicals like propylene oxide. In the existing chemical ships, the temperature control required in the process of storing and transporting the conventional goods is heating and heat preservation, which is contrary to the requirement of low-temperature storage of propylene oxide.
At present, two types of cargo compartment cooling systems are designed with reliability and maturity. One is a cooling equipment unit + cooling medium deck circulation circuit piping + cargo tank internal cooler, which has high cooling efficiency, but the cargo tank internal cooler is expensive, so that initial investment cost is expensive, and the cargo tank internal cooler needs to be periodically maintained. The other type is a relation of a cooling equipment unit, a cooling medium deck circulation loop, a cooling coil pipe at the bottom of the cargo hold and a cargo oil circulating device, liquid cargos with low temperature sink at the bottom layer of the cargo hold, and the cargo oil circulating system consisting of a liquid cargo pump and an extra-cargo oil pipeline is required to be operated to forcibly circulate the liquid cargos when the cargo hold is cooled, so that the risk of cargo leakage is increased due to the circulation of the extra-cargo oil pipeline, and meanwhile, the energy consumption of a chemical cargo ship is increased due to the operation of the liquid cargo pump.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a chemicals ship cargo hold cooling system, the utility model discloses can with the cargo hold heating system sharing cargo hold interior coil pipe, the part changes and adorns epoxypropane cargo hold interior coil pipe arrangement concurrently, need not to increase extra cargo oil circulation system, has realized the function of the interior goods of low-cost effective cooling cargo hold.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a chemical ship cargo hold cooling system, including cooling arrangement, heating arrangement, add hot water supply main pipe, add hot water return main pipe, cooling water supply main pipe, cooling water return main pipe, add hot water supply branch pipe, add hot water return branch pipe, cooling water supply branch pipe, cooling water return branch pipe, first isolating valve, second isolating valve and coil pipe in the cargo hold, cooling water supply main pipe connects the delivery port of cooling arrangement, cooling water return main pipe connects the water inlet of cooling arrangement, cooling water supply main pipe with the cooling water return main pipe passes through the second isolating valve is connected, water supply adds the hot water main pipe and connects the delivery port of heating arrangement, it connects to add hot water return main pipe the water inlet of heating arrangement, it connects with to add hot water return main pipe and it passes through to add hot water return main pipe first isolating valve, the cooling water supply branch pipe is communicated with the cooling water supply main pipe, the cooling water return branch pipe is communicated with the cooling water return main pipe, the heating water supply branch pipe is communicated with the heating water supply main pipe, the heating water return branch pipe is communicated with the heating water return main pipe, the heating water supply branch pipe and the cooling water supply branch pipe are connected with the water inlet end of the coil pipe in the cargo compartment, the heating water return branch pipe and the cooling water return branch pipe are connected with the water outlet end of the coil pipe in the cargo compartment, and the section of the coil pipe in the cargo compartment is of a U-shaped structure and the depth of the coil pipe is 3 meters.
As the preferred technical scheme, 2 groups of cooling water supply branch pipes, heating water supply branch pipes, cooling water return branch pipes, heating water return branch pipes and coil pipes in the cargo hold are arranged.
According to the preferable technical scheme, the cooling water supply branch pipe is provided with a cooling water supply stop valve, the cooling water supply stop valve is connected with a double-hole blind through flange, the double-hole blind through flange is connected with a cooling water supply detachable short pipe, the cooling water supply detachable short pipe is connected with the heating water supply branch pipe, the cooling water return branch pipe is provided with a cooling water return stop valve, the cooling water return stop valve is connected with a double-hole blind through flange, the double-hole blind through flange is connected with the cooling water return detachable short pipe, and the cooling water return detachable short pipe is connected with the heating water return branch pipe.
According to the preferable technical scheme, a heating water supply stop valve and a double-hole blind flange are arranged on the heating water supply branch pipe, and a heating water return stop valve and a double-hole blind flange are arranged on the heating water return branch pipe.
As a preferable technical scheme, the coil pipe in the cargo hold is arranged close to the side wall and the bottom of the cargo hold.
As a preferable technical scheme, the coil pipe in the cargo hold is manufactured in a butt welding mode.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses simple structure, low cost has solved the problem that cargo hold cooling system is with high costs, through simple design, with cargo hold heating system sharing under-deck coil pipe, has realized the function of the effective cooling cargo hold goods of low-cost low energy consumption.
(2) The utility model discloses be U type structure with the design of coil pipe in the cargo hold, the degree of depth of U type structure is 3 meters, and when having solved the cooling goods, low temperature liquid cargo deposit does not need to move cargo oil circulation systems such as liquid cargo pump simultaneously and comes forced circulation liquid cargo at the poor problem of cargo hold bottom cooling effect, has practiced thrift the running cost of system.
(3) The double-hole blind-through flange and the detachable short pipe are arranged on the cooling water supply branch pipe and the cooling water return branch pipe, so that the double-hole blind-through flange and the detachable short pipe can be effectively isolated from the water supply and return branch pipes for heating water, misoperation of crews can be prevented, heating and cooling media are mixed up, and the cooling media are ensured to achieve a cooling effect through circulation of the coil pipes in the cargo hold.
(4) Each cooling system is provided with at least 2 cooling circulation branch pipes to ensure reliability, and the coils in the cargo hold are in butt welding connection without regular maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cargo hold cooling system of a chemical ship according to the present invention.
Fig. 2 is a using state diagram of the cargo hold cooling system of the chemical ship of the present invention.
Wherein the reference numerals are specified as follows: the device comprises a cooling device 1, a heating device 2, a cargo hold 3, a heating water supply main pipe 4, a heating water return main pipe 5, a cooling water supply main pipe 6, a cooling water return main pipe 7, a cooling water supply branch pipe 8, a cooling water supply stop valve 9, a double-hole blind through flange 10, a cooling water supply detachable short pipe 11, a heating water supply branch pipe 12, a heating water supply stop valve 13, a cooling water return branch pipe 14, a cooling water return stop valve 15, a cooling water return detachable short pipe 16, a heating water return branch pipe 17, a heating water return stop valve 18, a first isolation valve 19, a second isolation valve 20 and a coil pipe 21 in the cargo hold.
Detailed Description
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1, the present embodiment provides a chemical ship cargo hold cooling system, which comprises a cooling device 1, a heating device 2, a heating water supply main pipe 4, a heating water return main pipe 5, a cooling water supply main pipe 6, a cooling water return main pipe 7, a heating water supply branch pipe 12, a heating water return branch pipe 17, a cooling water supply branch pipe 8, a cooling water return branch pipe 14, a first isolation valve 19, a second isolation valve 20 and a cargo hold internal coil pipe 21, wherein the cooling water supply main pipe 6 is connected to a water outlet of the cooling device 1, the cooling water return main pipe 7 is connected to a water inlet of the cooling device 1, the cooling water supply main pipe 6 is connected to the cooling water return main pipe 7 through the second isolation valve 20, the heating water supply main pipe 4 is connected to a water outlet of the heating device 2, the heating water return main pipe 5 is connected to a water inlet of the heating device 2, the heating water, the cooling water supply branch pipe 8 is communicated with the cooling water supply main pipe 6, the cooling water return branch pipe 14 is communicated with the cooling water return main pipe 7, the heating water supply branch pipe 12 is communicated with the heating water supply main pipe 4, the heating water return branch pipe 17 is communicated with the heating water return main pipe 5, the heating water supply branch pipe 12 and the cooling water supply branch pipe 8 are both connected with the water inlet end of the coil pipe 21 in the cargo compartment, and the heating water return branch pipe 17 and the cooling water return branch pipe 14 are both connected with the water outlet end of the coil pipe 21 in.
2 groups of cooling water supply branch pipes 8, heating water supply branch pipes 12, cooling water return branch pipes 14, heating water return branch pipes 17 and cargo hold internal coil pipes 21 are arranged. Be provided with the cooling water on the cooling water supply branch pipe 8 and supply water stop valve 9, the cooling water supply stop valve 9 is connected the blind flange 10 that leads to of diplopore, the blind flange 10 that leads to of diplopore is connected the removable nozzle stub 11 that supplies water, the removable nozzle stub 11 that supplies water of cooling water is connected and is heated water supply branch pipe 12, be provided with cooling water return water stop valve 15 on the cooling water return branch pipe 14, the blind flange 10 that leads to of diplopore is connected to cooling water return water stop valve 15, the blind flange 10 that leads to of diplopore is connected the removable nozzle stub 16 of cooling water return water, the removable nozzle stub. The heating water supply branch pipe 12 is provided with a heating water supply stop valve 13 and a double-hole blind flange 10, and the heating water return branch pipe 17 is provided with a heating water return stop valve 18 and a double-hole blind flange 10.
The cargo hold internal coil 21 is manufactured by adopting a butt welding mode, the cargo hold internal coil 21 is uniformly arranged on a bulkhead at a height of 3 meters from the bottom of the cargo hold 3 through the bottom of the cargo hold 3 and a bulkhead at a height of 3 meters from the bottom of the cargo hold through a right flat bulkhead, and the cargo hold internal coil 21 is connected back to the heating water return branch pipe 17 at the top of the cargo hold. The coils 21 in the cargo hold are distributed in a snake shape at the lower part of the cargo hold 3 and are arranged closely to the side wall and the bottom of the cargo hold 3.
As shown in fig. 2, the cooling water supply main pipe 6 is arranged longitudinally on the main deck of the chemical ship, and is connected with a second isolation valve 20 after reaching the most bow part of the cargo hold 3 which is also provided with propylene oxide, the second isolation valve 20 is connected with the cooling water return main pipe 7, and the cooling water return main pipe 7 is connected back to the cooling system equipment unit to form a cooling circulation main loop. The embodiment of the present invention will be specifically described by taking a cooling system for the accompanying propylene oxide cargo tank 3 of a 49000-ton chemical tanker as an example. In a voyage for loading conventional goods, the temperature control of the cargo hold 3 also containing propylene oxide is heating and heat preservation. In the voyage of loading propylene oxide, the temperature control of the cargo hold 3 also containing propylene oxide is cooling and heat preservation.
Claims (6)
1. A chemical ship cargo hold cooling system is characterized by comprising a cooling device (1), a heating device (2), a heating water supply main pipe (4), a heating water return main pipe (5), a cooling water supply main pipe (6), a cooling water return main pipe (7), a heating water supply branch pipe (12), a heating water return branch pipe (17), a cooling water supply branch pipe (8), a cooling water return branch pipe (14), a first isolation valve (19), a second isolation valve (20) and a cargo hold internal coil pipe (21), wherein the cooling water supply main pipe (6) is connected with a water outlet of the cooling device (1), the cooling water return main pipe (7) is connected with a water inlet of the cooling device (1), the cooling water supply main pipe (6) is connected with the cooling water return main pipe (7) through the second isolation valve (20), the heating water supply main pipe (4) is connected with a water outlet of the heating device (2), the heating water return main pipe (5) is connected with a water inlet of the heating equipment (2), the heating water supply main pipe (4) is connected with the heating water return main pipe (5) through the first isolating valve (19), the cooling water supply branch pipe (8) is communicated with the cooling water supply main pipe (6), the cooling water return branch pipe (14) is communicated with the cooling water return main pipe (7), the heating water supply branch pipe (12) is communicated with the heating water supply main pipe (4), the heating water return branch pipe (17) is communicated with the heating water return main pipe (5), the heating water supply branch pipe (12) and the cooling water supply branch pipe (8) are both connected with a water inlet end of the coil pipe (21) in the cargo compartment, and the heating water return branch pipe (17) and the cooling water return branch pipe (14) are both connected with a water outlet end of the coil pipe (21) in the cargo compartment,
coil pipe (21) are snakelike arranging in the lower part of cargo hold (3) in the cargo hold, the cross-section of coil pipe (21) is U type structure and the degree of depth is 3 meters in the cargo hold.
2. A chemical ship cargo tank cooling system as defined in claim 1, wherein said cooling water supply branch pipe (8), heating water supply branch pipe (12), cooling water return branch pipe (14), heating water return branch pipe (17), and cargo tank coil pipe (21) are provided in 2 groups.
3. A chemical ship cargo hold cooling system as claimed in claim 2, wherein the cooling water supply branch pipe (8) is provided with a cooling water supply stop valve (9), the cooling water supply stop valve (9) is connected with a double-hole blind through flange (10), the double-hole blind through flange (10) is connected with a cooling water supply detachable short pipe (11), the cooling water supply detachable short pipe (11) is connected with the heating water supply branch pipe (12), the cooling water return branch pipe (14) is provided with a cooling water return stop valve (15), the cooling water return stop valve (15) is connected with a double-hole blind through flange (10), the double-hole blind through flange (10) is connected with the cooling water return detachable short pipe (16), and the cooling water return detachable short pipe (16) is connected with the heating water return branch pipe (17).
4. A chemical ship cargo tank cooling system as defined in claim 1, wherein the heating water supply branch pipe (12) is provided with a heating water supply stop valve (13) and a double-hole blind through flange (10), and the heating water return branch pipe (17) is provided with a heating water return stop valve (18) and a double-hole blind through flange (10).
5. A chemical ship cargo tank cooling system as defined in claim 1, wherein said coil (21) in the cargo tank is disposed closely adjacent to the side walls and bottom of the cargo tank.
6. A chemical ship cargo tank cooling system as defined in claim 1, wherein said coil (21) in the cargo tank is formed by butt welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921889283.4U CN211196584U (en) | 2019-11-05 | 2019-11-05 | Chemical ship cargo hold cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921889283.4U CN211196584U (en) | 2019-11-05 | 2019-11-05 | Chemical ship cargo hold cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN211196584U true CN211196584U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921889283.4U Active CN211196584U (en) | 2019-11-05 | 2019-11-05 | Chemical ship cargo hold cooling system |
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| CN (1) | CN211196584U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113928531A (en) * | 2021-11-26 | 2022-01-14 | 沪东中华造船(集团)有限公司 | Chemical ship and operation platform of cargo hold heating and cooling pipeline thereof |
| CN115556876A (en) * | 2022-09-27 | 2023-01-03 | 沪东中华造船(集团)有限公司 | Chemical tanker cargo hold evaporation gas recovery system and use method thereof |
-
2019
- 2019-11-05 CN CN201921889283.4U patent/CN211196584U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113928531A (en) * | 2021-11-26 | 2022-01-14 | 沪东中华造船(集团)有限公司 | Chemical ship and operation platform of cargo hold heating and cooling pipeline thereof |
| CN115556876A (en) * | 2022-09-27 | 2023-01-03 | 沪东中华造船(集团)有限公司 | Chemical tanker cargo hold evaporation gas recovery system and use method thereof |
| CN115556876B (en) * | 2022-09-27 | 2024-06-11 | 沪东中华造船(集团)有限公司 | Chemical carrier cargo hold evaporation gas recovery system and use method thereof |
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