Multifunctional air conditioning system based on seawater source heat pump and evaporative cooling technology

Abstract

The utility model provides a multifunctional air-conditioning system based on a seawater source heat pump and an evaporative cooling technology. The multifunctional air-conditioning system comprises a seawater source heat pump air-conditioning system and an evaporative cooling air-conditioning system. The seawater source heat pump air conditioning system comprises a first seawater conveying pipeline (4), a plate heat exchanger (5), a cooling water conveying pipeline (6), a seawater source heat pump unit (7), a seawater return pipeline (8), a chilled water supply pipeline (9), a chilled water return pipeline (10), an indoor area end device (11) and a cooling water return pipeline (12). The evaporative cooling air conditioning system comprises a second seawater conveying pipeline (13), a seawater desalination device (14), a first fresh water conveying pipeline (15), a fresh water circulating pump (16), a second fresh water conveying pipeline (17) and an outdoor area tail end device (18). The seawater source heat pump air-conditioning system end device is arranged in an indoor closed area, and the evaporative cooling air-conditioning system end device is arranged in an outdoor semi-open or open area. The device solves the problem of air conditioning in an indoor closed area and an outdoor semi-open or open area at the same time, and has very high engineering application value.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning, in particular to a multifunctional air conditioning system based on seawater source heat pump and evaporative cooling technology. Background Art

[0002] The offshore oil and gas development platform is a multifunctional integrated offshore oil and gas platform integrating production and life.

[0003] The deck of the offshore oil platform is directly exposed to the hot sun, and the temperature rises abnormally. The indoor equipment dissipates a lot of heat, causing the indoor temperature to rise sharply. The working conditions are very difficult, and the seawater source heat pump becomes the direction to solve the problem. The patent with application number CN202121977461.6 discloses a seawater source heat pump system with an energy storage device, which solves the problem of energy storage. The patent with application number CN202222873068.3 discloses that by making the heat exchanger cylinder detachable relative to the unit frame, it is convenient to clean the heat exchange tube and the inner wall of the heat exchanger cylinder after the heat exchanger cylinder is disassembled, thereby extending the service life of the seawater source heat pump unit. These technologies solve the problems of energy storage and corrosion of seawater source heat pumps. However, for offshore oil platforms, which require air conditioning in closed spaces such as oil wells, and also need to solve the air conditioning problem of semi-open or open spaces such as platform decks, there is no solution. How to solve the high temperature problem in the workplace of offshore oil platforms has a strong engineering application value. Utility Model Content

[0004] The utility model aims to solve the deficiencies of the prior art and provide a multifunctional air conditioning system based on seawater source heat pump and evaporative cooling technology.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A multifunctional air conditioning system based on seawater heat pump and evaporative cooling technology, the seawater heat pump air conditioning system comprising: a first seawater water supply pipeline (4), a plate heat exchanger (5), a cooling water water supply pipeline (6), a seawater heat pump unit (7), a seawater return pipeline (8), a chilled water supply pipeline (9), a chilled water return pipeline (10), an indoor area terminal device (11), and a cooling water return pipeline (12); the evaporative cooling air conditioning system comprises: a second seawater water supply pipeline (13), a seawater desalination device (14), a first fresh water water supply pipeline (15), a fresh water circulation pump (16), a second fresh water water supply pipeline (17), and an outdoor area terminal device (18). The terminal device of the seawater heat pump air conditioning system is arranged in an indoor closed area, and the terminal device of the evaporative cooling air conditioning system is arranged in an outdoor semi-open or open area.

[0007] In the seawater source heat pump air conditioning system, seawater enters the plate heat exchanger (5) through the first seawater supply pipeline (4), exchanges heat with the circulating working medium in the plate heat exchanger (5), transfers the cold quantity to the circulating working medium in the plate heat exchanger (5), and the circulating working medium releases the cold quantity in the condenser of the seawater source heat pump unit (7) through the cooling water supply pipeline (6), and then cools the air supply in the indoor enclosed space through the evaporator in the seawater source heat pump unit (7) through the heat pump cycle.

[0008] Further, the material of the circulating working medium in the plate heat exchanger (5) is heat-conducting oil.

[0009] Further, the seawater takes the shallow water at -50 to -90 meters.

[0010] Further, the outdoor area end device (18) is a spray head, which sprays the outdoor high-temperature area and achieves the cooling effect through the direct evaporation cooling principle.

[0011] The seawater desalination device (17) includes a seawater filter (19) for pre-treating seawater. The pre-treated seawater enters a high-pressure pump (21) through the third seawater supply pipeline (20) for pressurization. The pressurized seawater enters a reverse osmosis membrane module (23) through the fourth seawater supply pipeline (22) for seawater desalination. The produced fresh water enters a fresh water recovery tank (26) through a fresh water delivery pipeline (24) for storage and is used for subsequent spraying of the outdoor high-temperature area. The fresh water recovery tank (26) is connected to the first fresh water supply pipeline (15), and the produced concentrated seawater is discharged into the ocean through a concentrated seawater discharge pipeline (25).

[0012] Further, the reverse osmosis membrane housing in the reverse osmosis membrane module (23) is made of glass fiber reinforced plastic.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. Through the seawater source heat pump technology, the system of the present utility model can effectively utilize the heat and cold of seawater to provide comfortable temperature adjustment for the indoor enclosed area. And through the direct evaporation cooling technology, the fresh water produced by the system is sprayed to the outdoor semi-open or open area through the spray head, and the heat in the surrounding air is taken away through the evaporation process of water, so as to achieve the cooling effect of the outdoor semi-open or open area of the marine facility.

[0015] 2. The present utility model also installs a plate heat exchanger and a circulating working medium circulation system on the basis of the seawater source heat pump unit, which greatly alleviates the corrosion problem of the seawater source heat pump unit, thereby prolonging the service life of the seawater source heat pump unit.

[0016] 3. The device of the present utility model is simple. The seawater source heat pump unit is small in volume and flexible in installation, meeting the special limitation requirements of offshore facilities. It can effectively save energy and protect the environment, and is very suitable for improving the indoor environment of offshore facilities. It has broad application prospects and social significance. Brief Description of the Drawings

[0017] Figure 1 Schematic diagram of the air conditioning system of the present utility model;

[0018] Figure 2 Schematic diagram of the seawater desalination device of the present utility model;

[0019] Wherein, 1 - seawater source, 2 - seawater intake pipeline, 3 - seawater circulation pump, 4 - first seawater delivery pipeline, 5 - plate heat exchanger, 6 - cooling water delivery pipeline, 7 - seawater source heat pump unit, 8 - seawater return pipeline, 9 - chilled water supply pipeline, 10 - chilled water return pipeline, 11 - terminal device in the indoor area, 12 - chilled water return pipeline, 13 - second seawater delivery pipeline, 14 - seawater desalination device, 15 - first fresh water delivery pipeline, 16 - fresh water circulation pump, 17 - second fresh water delivery pipeline, 18 - terminal device in the outdoor area, 19 - seawater filter, 20 - third seawater delivery pipeline, 21 - high-pressure pump, 22 - fourth seawater delivery pipeline, 23 - reverse osmosis membrane module, 24 - fresh water delivery pipeline, 25 - concentrated seawater discharge pipeline, 26 - fresh water recovery tank. Detailed Embodiments

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0021] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0022] The present utility model will be further described below in conjunction with specific embodiments, but it is not limited to the present utility model.

[0023] As shown in the attached Figure 1As shown: A multi-functional air conditioning system based on seawater source heat pump and evaporative cooling technology. The seawater source heat pump air conditioning system includes: a first seawater supply pipeline (4), a plate heat exchanger (5), a cooling water supply pipeline (6), a seawater source heat pump unit (7), a seawater return pipeline (8), a chilled water supply pipeline (9), a chilled water return pipeline (10), an indoor area terminal device (11), and a cooling water return pipeline (12); The evaporative cooling air conditioning system includes: a second seawater supply pipeline (13), a seawater desalination device (14), a first fresh water supply pipeline (15), a fresh water circulation pump (16), a second fresh water supply pipeline (17), and an outdoor area terminal device (18).

[0024] In the seawater source heat pump air conditioning system, seawater enters the plate heat exchanger (5) through the first seawater supply pipeline, exchanges heat with the circulating working fluid in the plate heat exchanger (5), transfers the cold quantity to the circulating working fluid in the plate heat exchanger, and the circulating working fluid releases the cold quantity in the condenser of the seawater source heat pump unit (7) through the cooling water supply pipeline (6), and then cools the air supply in the indoor enclosed space through the evaporator in the seawater source heat pump unit (7) through the heat pump cycle.

[0025] Further, the material of the circulating working fluid is heat-conducting oil.

[0026] Further, the seawater is taken from the surface water at a depth of -50 to -90 meters.

[0027] Further, the outdoor area terminal device (18) is a spray head, which sprays the outdoor high-temperature area and achieves the cooling effect through the direct evaporative cooling principle.

[0028] As shown in the attachment Figure 2 As shown, the seawater desalination device (17) includes a seawater filter (19) for pre-treating seawater. The pre-treated seawater enters a high-pressure pump (21) through a third seawater supply pipeline (20) for pressurization. The pressurized seawater enters a reverse osmosis membrane module (23) through a fourth seawater supply pipeline (22) for seawater desalination. The produced fresh water enters a fresh water recovery tank (26) through a fresh water delivery pipeline (24) for storage and is used for subsequent spraying of the outdoor high-temperature area. The fresh water recovery tank (26) is connected to the first fresh water supply pipeline (15), and the produced concentrated seawater is discharged into the ocean through a concentrated seawater discharge pipeline (25).

[0029] Further, the reverse osmosis membrane housing in the reverse osmosis membrane module 23 is made of fiberglass.

[0030] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0031] 1. Through the seawater source heat pump technology, the system of the present utility model can effectively utilize the heat and cold of seawater to provide comfortable temperature regulation for the indoor enclosed area. For the direct evaporation cooling technology, the fresh water produced by the system is sprayed through a sprinkler head to the outdoor semi-open or open area, and through the evaporation process of water, the heat in the surrounding air is taken away, achieving the effect of reducing the temperature of the outdoor semi-open or open area of the marine facility.

[0032] 2. The present utility model also installs a plate heat exchanger and a circulating working medium circulation system on the basis of the seawater source heat pump unit, greatly alleviating the corrosion problem of the seawater source heat pump unit, thereby extending the service life of the seawater source heat pump unit.

[0033] 3. The device of the present utility model is simple, the seawater source heat pump unit is small in size and flexible in installation, meeting the special limiting requirements of marine facilities. It can effectively save energy and protect the environment, and is very suitable for improving the indoor environment of marine facilities. It has broad practical prospects and social significance.

[0034] The above are only the preferred implementation cases of the present utility model, and do not limit the implementation manners and protection scope of the present utility model accordingly. For those skilled in the art, it should be realized that all the equivalent replacements and obvious changes made by using the content of the specification of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A multifunctional air conditioning system based on seawater source heat pump and evaporative cooling technology, characterized in that: The seawater source heat pump air conditioning system comprises: a first seawater water supply pipeline (4), a plate heat exchanger (5), a cooling water water supply pipeline (6), a seawater source heat pump unit (7), a seawater return pipeline (8), a chilled water supply pipeline (9), a chilled water return pipeline (10), an indoor area terminal device (11), and a cooling water return pipeline (12); the evaporative cooling air conditioning system comprises: a second seawater water supply pipeline (13), a seawater desalination device (14), a first fresh water water supply pipeline (15), a fresh water circulation pump (16), a second fresh water water supply pipeline (17), and an outdoor area terminal device (18); the terminal device of the seawater source heat pump air conditioning system is arranged in an indoor closed area, and the terminal device of the evaporative cooling air conditioning system is arranged in an outdoor semi-open or open area.

2. A multifunctional air conditioning system based on seawater source heat pump and evaporative cooling technology according to claim 1, characterized in that: In the seawater source heat pump air conditioning system, seawater enters the plate heat exchanger (5) through a first seawater water supply pipe (4), exchanges heat with a circulating working medium in the plate heat exchanger (5), and transfers cold energy to the circulating working medium in the plate heat exchanger (5). The circulating working medium releases the cold energy in a condenser in a seawater source heat pump unit (7) through a cooling water water supply pipe (6), and then transmits the cold energy through an evaporator in the seawater source heat pump unit (7) through a heat pump cycle to cool the supply air in an indoor closed space.

3. A multifunctional air conditioning system based on seawater source heat pump and evaporative cooling technology according to claim 2, characterized in that: The material of the circulating working fluid in the plate heat exchanger (5) is heat transfer oil.

4. The multifunctional air conditioning system based on seawater source heat pump and evaporative cooling technology according to claim 1 is characterized in that: The seawater is shallow surface water ranging from -50 to -90 meters.

5. The multifunctional air conditioning system based on seawater source heat pump and evaporative cooling technology according to claim 1 is characterized in that: The outdoor area terminal device (18) is a sprinkler head, which sprays the outdoor high-temperature area to achieve a cooling effect through the direct evaporative cooling principle.

6. The multifunctional air conditioning system based on seawater source heat pump and evaporative cooling technology according to claim 1 is characterized in that: The seawater desalination device (14) comprises a seawater filter (19) for pre-treating seawater. The pre-treated seawater enters a high-pressure pump (21) through a third seawater water supply pipeline (20) for pressurization. The pressurized seawater enters a reverse osmosis membrane group (23) through a fourth seawater water supply pipeline (22) for seawater desalination. The produced fresh water enters a fresh water recovery tank (26) through a fresh water delivery pipeline (24) for storage and subsequent spraying of an outdoor high-temperature area. The fresh water recovery tank (26) is connected to the first fresh water supply pipeline (15). The produced concentrated seawater is discharged into the ocean through a concentrated seawater discharge pipeline (25).

7. A multifunctional air conditioning system based on seawater source heat pump and evaporative cooling technology according to claim 6, characterized in that: The reverse osmosis membrane shell in the reverse osmosis membrane group (23) is made of glass fiber reinforced plastic.

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