TWM639694U - Ship seawater desalination device - Google Patents

Abstract

A seawater desalination device for ships includes a body, a seawater supply module and a cooling liquid cooling module. The body is formed with a first chamber and a second chamber. The seawater supply module includes a first chamber located in the first chamber. A heat exchanger, a seawater inlet pipe connected to the first heat exchanger, and a seawater output pipe connected to the first heat exchanger and extending to the second chamber, the radiator liquid cooling module includes a The second heat exchanger in the second chamber, a radiator liquid inlet pipe connected to the second heat exchanger, and a radiator liquid return pipe connected to the second heat exchanger. The seawater supply module supplies the seawater to the second heat exchanger, and the second heat exchanger exchanges heat with the seawater so that the seawater is at least partially converted into a water vapor, and the water vapor is condensed in the first chamber to A desalinated water is formed.

Description

Ship seawater desalination device

The model relates to a seawater desalination device, in particular to a ship seawater desalination device.

Common seawater desalination technologies include thin-film method and distillation method. In the case of thin-film method, polymer membranes are used to make the salt and freshwater in seawater and Water separation to obtain desalinated water. However, this method has problems such as difficult pretreatment of seawater and high salt content of desalinated water.

Based on this, seawater desalination technology has developed a distillation method. The distillation method is to obtain water vapor after heating and evaporating seawater, and then condense the water vapor to form desalinated water. The distillation method does not require strict seawater pretreatment in advance, and the obtained desalinated water has a low salt content, which is relatively beneficial to the production of desalinated water, as disclosed in TW I639558. However, although TW I639558 proposes the concept of distilling seawater to make desalinated water, the seawater desalination system of TW I639558 has complex pipeline problems, which is unfavorable for use.

Taking the disclosed devices as an example, most of the desalinated water prepared by the seawater desalination devices currently on the market still come into contact with seawater, so that the salt content in the desalinated water cannot be specifically reduced, which affects the application range of subsequent desalinated water. In addition, the current seawater desalination devices on the market cannot specifically separate the cooling fluid pipeline from the seawater pipeline, resulting in energy loss in the cooling fluid and affecting heat exchange efficiency. On the other hand, although the patent CN 112340914A discloses a seawater desalination device implemented by distillation, the seawater desalination device disclosed in CN 112340914A is To improve the heat exchange efficiency of seawater, an additional heating device is installed, which increases the complexity of the structure.

The main purpose of the present invention is to solve the problem of high salt content in the desalinated water prepared by conventional seawater desalination devices.

Another purpose of the present invention is to solve the problem that the conventional seawater desalination device has a complex structure or is not conducive to seawater heat exchange.

In order to achieve the above purpose, the present invention provides a seawater desalination device for ships, which includes a body, a seawater supply module and a cooling liquid cooling module, the body is formed with a first chamber and a connected to the second chamber, the seawater supply module includes a first heat exchanger located in the first chamber, a seawater inlet pipe connected to the first heat exchanger, and a seawater inlet pipe connected to the first heat exchanger and extending To the seawater output pipe of the second chamber, a seawater entering from the seawater inlet pipe cannot drip into the first chamber from the first heat exchanger, and the radiator liquid cooling module includes a The second heat exchanger at the water outlet of the seawater output pipe, a cooling liquid inlet pipe connected to the second heat exchanger, and a cooling liquid return pipe connected to the second heat exchanger. Wherein, the seawater supply module receives the seawater and supplies it to the second heat exchanger of the heat dissipation liquid cooling module, and the second heat exchanger exchanges heat with the seawater to at least partially transform the seawater into a Water vapor, the water vapor flows to the first chamber through the connection between the first chamber and the second chamber, and is condensed in the first chamber. After the water vapor is condensed, the first chamber forms desalinated water.

In one embodiment, the body has a fresh water drain pipe connected to the first chamber, and a sea water drain pipe connected to the second chamber.

In one embodiment, the body has a partition between the first chamber and the second chamber, and the partition does not touch the top of the body.

In one embodiment, the ship seawater desalination device includes a pressure control module that communicates with the first chamber and the second chamber, and the pressure control module includes a pump that communicates with the first chamber and the second chamber and extracts gas. A gas pipe, and a valve which is arranged on the exhaust pipe and makes the first chamber and the second chamber in a vacuum state.

In one embodiment, the seawater output pipe has a plurality of water outlets, a main pipe connected to the first heat exchanger, and a plurality of manifolds respectively connected to the main pipe and having the water outlets together with the main pipe.

In one embodiment, the body has a first assembly opening on one side of the first chamber and providing the first heat exchanger arrangement, and an opening on the second chamber side and providing the second heat exchanger arrangement. Second assembly opening.

In one embodiment, the seawater supply module has a first fixing plate disposed on the first assembly opening and on the side of the first heat exchanger not connected to the seawater output pipe, and the cooling liquid cooling module has a set The second fixing plate is located at the opening of the second assembly and is located at the side of the second heat exchanger connected to the cooling liquid inlet pipe.

In one embodiment, the seawater supply module has at least one first sealing gasket arranged between the first assembly opening and the first fixing plate, and the cooling liquid cooling module has at least one gasket arranged between the second assembly opening. A second sealing gasket between the opening and the second fixing plate.

In one embodiment, the body has a deflector located at the top of the second chamber and facing the second heat exchanger, and the deflector has a slope to guide the water vapor to flow toward the top of the first chamber.

Through the aforementioned implementation of the new model, it has the following characteristics compared with the conventional ones: the seawater desalination device of the new model, through the design of the body, makes the seawater supply module and the cooling liquid cooling module respectively located in the first chamber and the In the second chamber, avoid affecting the heat exchange efficiency between the seawater supply module and the heat dissipation liquid cooling module. In addition, the new model connects the first chamber and the second chamber only at the opposite top of the body, so that the desalinated water formed after the seawater evaporates and condenses does not mix with the unevaporated part of the seawater, avoiding the mistaken increase of the Salt content of desalinated water.

10:Ship seawater desalination device

11: Ontology

111: The first room

112: Second Room

113: clapboard

114: deflector

115: fresh water drain pipe

116: Seawater drain pipe

117: First assembly opening

118: Second assembly opening

13: Sea water supply module

131: The first heat exchanger

132: seawater inlet pipe

133: seawater output pipe

134: heat exchange plate

135: water outlet

136: supervisor

137: Manifold

138: The first fixed plate

139: The first sealing gasket

15: Cooling liquid cooling module

151: Second heat exchanger

152: Cooling liquid inlet pipe

153: Cooling fluid return pipe

154: heat exchange plate

155: the second fixed plate

156: Second sealing gasket

17: Pressure control module

171: Exhaust pipe

172: valve

30:Sea water

40: engine cooling fluid

50: water vapor

60: desalinated water

Fig. 1 is a three-dimensional structural schematic diagram of an embodiment of the present invention.

Fig. 2 is a schematic diagram of an exploded structure of an embodiment of the present invention.

Fig. 3 is an exploded schematic diagram of another direction structure of an embodiment of the present invention.

Fig. 4 is a schematic three-dimensional cross-sectional view of an embodiment of the present invention.

Fig. 5 is a schematic plan view of an embodiment of the present invention.

Fig. 6 is an implementation schematic diagram of an embodiment of the present invention.

The detailed description and technical content of this new model are described as follows in conjunction with the drawings:

Please refer to Fig. 1 and Fig. 5, the present invention provides a kind of ship seawater desalination device 10, comprises a main body 11, a seawater supply module 13 and a cooling liquid cooling module 15, and this main body 11 forms a first chamber 111 and a first The second chamber 112 , the first chamber 111 and the second chamber 112 are not connected at the opposite bottom of the main body 11 , but only connected at the opposite top of the main body 11 . The first chamber 111 and the second chamber 112 are in a vacuum state during implementation. The purpose is to change the vapor of water by reducing the air pressure in the body 11 to atmospheric pressure. hair temperature. The seawater supply module 13 includes a first heat exchanger 131, a seawater inlet pipe 132 and a seawater outlet pipe 133, the first heat exchanger 131 is located in the first chamber 111, and the seawater inlet pipe 132 is connected to the The first heat exchanger 131 , the seawater inlet pipe 132 receives a seawater 30 from the outside, and makes the seawater 30 flow to the first heat exchanger 131 . It should be noted that the first heat exchanger 131 is a plate heat exchanger, that is, the first heat exchanger 131 contains a plurality of heat exchange plates 134, and the first heat exchanger 131 receives the seawater inlet pipe 132 After the seawater 30 comes, the seawater 30 only flows between the heat exchange plates 134 and does not drip into the first chamber 111 . The seawater output pipe 133 is connected to the first heat exchanger 131 and extends to the second chamber 112 . The seawater output pipe 133 is formed with a plurality of water outlets 135 , and the water outlets 135 face the second chamber 112 .

The cooling liquid cooling module 15 includes a second heat exchanger 151, a cooling liquid inlet pipe 152 and a cooling liquid return pipe 153, the second heat exchanger 151 is located in the second chamber 112 and the seawater output The pipe 133 outlet, more specifically, the second heat exchanger 151 can also be a plate heat exchanger, and has a plurality of heat exchange plates 154, the heat exchange plates 154 of the second heat exchanger 151 face the The water outlets 135 of the seawater output pipe 133 are provided. The cooling fluid inlet pipe 152 is connected to the second heat exchanger 151 and receives an engine cooling fluid 40 from the ship, and makes the engine cooling fluid 40 flow to the second heat exchanger 151 . Wherein, the engine cooling liquid 40 mentioned herein refers to the liquid after heat exchange with the ship engine, and the temperature of the engine cooling liquid 40 is higher than that of the seawater 30 . The radiator fluid return pipe 153 is connected to the second heat exchanger 151 and receives the engine radiator fluid 40 to flow out of the second heat exchanger 151 .

To illustrate the implementation of the ship seawater desalination device 10 , please refer to FIG. 4 and FIG. 6 . Assume that the heat exchange between the first heat exchanger 131 and the second heat exchanger 151 is not started initially. At this time, the first heat exchanger 131 and the second heat exchanger 151 are in a vacuum state, and the seawater supply module 13 receives the seawater 30 and supplies it to the second heat exchanger 151 . Since the temperature of the engine coolant 40 in the second heat exchanger 151 is higher than that of the seawater 30, when the second heat exchanger 151 exchanges heat with the seawater 30, at least part of the seawater 30 will be evaporated and transformed into A water vapor 50 , the water vapor 50 is connected to the first chamber 111 through the connection between the first chamber 111 and the second chamber 112 . Next, the water vapor 50 contacts the heat exchange plates 134 in the first heat exchanger 131, and since the temperature of the water vapor 50 is higher than the seawater 30 in the first heat exchanger 131, the water vapor 50 After exchanging heat with the first heat exchanger 131 , condensation occurs in the first chamber 111 and turns into desalinated water 60 again.

From the above, it can be known that the ship seawater desalination device 10 of the present invention is implemented by the distillation method, and the desalinated water 60 is prepared by evaporating the low-temperature seawater 30. Compared with the conventional membrane method, the desalination device 10 prepared by the ship seawater The salt content of the water 60 is relatively low, which is beneficial to the subsequent use of the desalinated water 60 . In addition, the marine seawater desalination device 10 proposed in the present invention avoids affecting the seawater by setting the seawater supply module 13 and the cooling liquid cooling module 15 in the first chamber 111 and the second chamber 112 respectively. The heat exchange efficiency between the supply module 13 and the heat dissipation liquid cooling module 15 . In addition, the present invention connects the first chamber 111 and the second chamber 112 only at the opposite top of the main body 11, so that the desalinated water 60 formed after the seawater 30 is evaporated and condensed is not connected with the unevaporated part of the seawater 30. Mixing avoids mistakenly increasing the salt content of the desalinated water 60 . At the same time, the marine seawater desalination device 10 of the present invention has the characteristics of simple structure and easy assembly.

As mentioned above, in one embodiment, during the implementation process of the marine seawater desalination device 10 , if the seawater 30 is not completely transformed into the water vapor 50 , the untransformed part will drip into the second chamber 112 . In order to prevent the untransformed part of the seawater 30 from mixing with the desalinated water 60, the main body 11 is provided with a partition 113, and the partition 113 is located between the first chamber 111 and the second chamber 112. The bottom of the plate 113 is connected to the body 11 , while the top of the partition 113 is not in contact with the body 11 . In other words, the partition 113 connects the first chamber 111 and the second chamber 112 only at the opposite top of the main body 11, so that the untransformed seawater 30 drips into the second chamber 112 It will not mix with the desalinated water 60 , and the water vapor 50 can still flow to the first chamber 111 through the connection between the first chamber 111 and the second chamber 112 . Further, in order to guide the flow of the water vapor 50, the main body 11 has a deflector 114, the deflector 114 is located at the top of the second chamber 112 and faces the second heat exchanger 151, the guide The flow plate 114 has a slope, and the slope makes the flow guide plate 114 guide the water vapor 50 to flow toward the top of the first chamber 111 .

In addition, the body 11 has a fresh water drain pipe 115 and a sea water drain pipe 116, the fresh water drain pipe 115 communicates with the first chamber 111 to provide the desalinated water 60 to discharge from the first chamber 111, and the sea water drain pipe 116 The pipe 116 communicates with the second chamber 112 to provide the seawater 30 that flows into the second chamber 112 in a non-transition state to discharge. In another embodiment, the ship seawater desalination device 10 includes a pressure control module 17, the pressure control module 17 is arranged on the body 11, the pressure control module 17 includes a suction pipe 171 and a valve 172, the The air extraction pipe 171 is arranged on the body 11 and communicates with the first chamber 111 and the second chamber 112. When the air extraction pipe 171 is driven, the air in the first chamber 111 and the second chamber 112 is extracted. The valve 172 is set On the exhaust pipe 171, the valve 172 blocks the first chamber 111 and the second chamber 112 from the External communication means that the first chamber 111 and the second chamber 112 are in a vacuum state after the valve 172 is operated.

Referring back to FIGS. 1 to 6, in one embodiment, the water outlets 135 supply the seawater 30 to the second heat exchanger 151 by spraying water droplets, and the seawater output pipe 133 includes a main pipe 136 and a plurality of manifolds. Pipe 137, the main pipe 136 is connected to the first heat exchanger 131, and receives the seawater 30 from the first heat exchanger 131, the manifolds 137 communicate with the main pipe 136 respectively, and the manifolds 137 and the These water outlets 135 are jointly arranged on the main pipe 136 .

In another embodiment, the body 11 has a first assembly opening 117 and a second assembly opening 118, the first assembly opening 117 is located on the side of the body 11 where the first chamber 111 is provided, and provides the first heat The heat exchanger 131 is disposed, and the second assembly opening 118 is located on the side of the body 11 where the second chamber 112 is disposed, and provides the second heat exchanger 151 to be disposed. Further, since the first heat exchanger 131 and the second heat exchanger 151 exchange heat, foreign matter such as dirt or crystallized salt is likely to be generated, the first assembly opening 117 and the second assembly opening 118 are more closely spaced. The first heat exchanger 131 and the second heat exchanger 151 are provided to be taken out from the body 11 , thereby facilitating cleaning of the first heat exchanger 131 and the second heat exchanger 151 .

Moreover, the present invention is to fix the first heat exchanger 131, the seawater supply module 13 has a first fixing plate 138 located on the first assembly opening 117, the first fixing plate 138 is located on the first heat exchanger 131 is not connected to the side of the seawater output pipe 133 , the first fixing plate 138 is connected to the body 11 , so that the first heat exchanger 131 is disposed in the first assembly opening 117 . Similarly, in order to fix the second heat exchanger 151, the cooling liquid cooling module 15 has a second fixing plate 155 disposed on the second assembly opening 118, the The second fixing plate 155 is located on the side where the second heat exchanger 151 is connected to the cooling liquid inlet pipe 152. In the opening 118 . Furthermore, the present invention makes the first chamber 111 and the second chamber 112 in a vacuum state. In one embodiment, the seawater supply module 13 has at least one first sealing gasket 139, and the first sealing The gasket 139 is disposed between the first assembling opening 117 and the first fixing plate 138 , and the first sealing gasket 139 can also provide stability for assembling between the first fixing plate 138 and the main body 11 . Similarly, the cooling liquid cooling module 15 has at least one second sealing gasket 156, the second sealing gasket 156 is arranged between the second assembly opening 118 and the second fixing plate 155, the second sealing gasket The sheet 156 can also provide stability for the assembly between the second fixing plate 155 and the main body 11 .

In summary, it is only a preferred embodiment of the present invention, and should not limit the scope of implementation of the present invention, that is, all equal changes and modifications made according to the patent scope of the present application should still belong to the present invention. patent coverage.

10:Ship seawater desalination device

11: Ontology

111: The first room

112: Second Room

113: clapboard

114: deflector

13: Sea water supply module

131: The first heat exchanger

132: seawater inlet pipe

133: seawater output pipe

136: supervisor

137: Manifold

138: The first fixed plate

139: The first sealing gasket

15: Cooling liquid cooling module

151: Second heat exchanger

155: the second fixed plate

156: Second sealing gasket

17: Pressure control module

171: Exhaust pipe

172: valve

Claims (10)

A seawater desalination device for a ship, comprising: a body formed with a first chamber and a second chamber connected to the first chamber at the opposite top of the body; a seawater supply module including a first chamber located in the first chamber A heat exchanger, a seawater inlet pipe connected to the first heat exchanger, and a seawater outlet pipe connected to the first heat exchanger and extending to the second chamber, a seawater that enters from the seawater inlet pipe cannot Drip into the first chamber from the first heat exchanger; and a radiator liquid cooling module, comprising a second heat exchanger located in the second chamber and facing the outlet of the seawater output pipe, connected to the second heat exchanger The heat dissipation liquid inlet pipe of the exchanger, and a heat dissipation liquid return pipe connected to the second heat exchanger; wherein, the seawater supply module receives the seawater and exchanges heat with the heat dissipation liquid cooling module for the second heat exchanger The second heat exchanger exchanges heat with the seawater, so that the seawater is at least partially transformed into a water vapor, and the water vapor flows to the first chamber through the communication part between the first chamber and the second chamber, and Condensed in the first chamber, the water vapor is condensed to form desalinated water in the first chamber. The marine seawater desalination device according to claim 1, wherein the main body has a freshwater discharge pipe connected to the first chamber, and a seawater discharge pipe connected to the second chamber. The marine seawater desalination device according to claim 2, wherein the main body has a partition between the first chamber and the second chamber, and the partition does not touch the top of the main body. The ship seawater desalination device as described in claim 3, wherein the ship The seawater desalination device includes a pressure control module connecting the first chamber and the second chamber, the pressure control module includes a gas extraction pipe connecting the first chamber and the second chamber and extracting gas, and a A valve that evacuates the pipe and puts the first chamber and the second chamber under vacuum. The ship seawater desalination device as described in claim 4, wherein, the seawater output pipe has a plurality of water outlets, a main pipe connected to the first heat exchanger, and a plurality of pipes respectively connected to the main pipe and jointly provided with the main pipe. nozzle manifold. The marine seawater desalination device according to any one of claims 1 to 5, wherein the main body has a first assembly opening located on one side of the first chamber and providing the first heat exchanger, and a first assembly opening located on the second side One side of the second chamber provides a second assembly opening for the second heat exchanger. The marine seawater desalination device according to claim 6, wherein the seawater supply module has a first fixing plate arranged at the first assembly opening and on the side of the first heat exchanger not connected to the seawater output pipe, The heat dissipation liquid cooling module has a second fixing plate disposed on the second assembly opening and on a side of the second heat exchanger connected to the heat dissipation liquid inlet pipe. The marine seawater desalination device according to claim 7, wherein the seawater supply module has at least one first sealing gasket arranged between the first assembly opening and the first fixing plate, and the heat dissipation liquid cools the module There is at least one second sealing gasket arranged between the second assembly opening and the second fixing plate. The ship seawater desalination device as claimed in item 8, wherein, the main body has a deflector located at the top of the second chamber and facing the second heat exchanger, and the deflector has a guide to guide the water vapor toward The slope of the flow at the top of the first chamber. The seawater desalination device for ships as claimed in item 6, wherein the main body has There is a deflector located at the top of the second chamber and facing the second heat exchanger, the deflector has a slope to guide the water vapor to flow toward the top of the first chamber.

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