CN101539347B - Seabed cold water pipe water taking system of ocean temperature difference power plant - Google Patents

Abstract

The utility model provides a sea floor cold water pipe water intaking system of ocean thermoelectric power plant, is used for installing in the cold water inlet of a power generation ship, and this cold water pipe contains: a water intake head; the water taking pipe is formed by connecting a plurality of composite pipes in series, wherein each composite pipe is formed by sequentially arranging a plurality of wavy inner pipes into a tubular shape; the connecting pipe is formed by sleeving an outer sleeve and an inner sleeve, the inner sleeve of the connecting pipe is connected with a cold water inlet of the power generation ship, and the tail end of the outer sleeve of the connecting pipe is connected with the connecting part of the water taking pipe. The invention has the advantages of transmitting a large amount of low-temperature seawater in the deep seabed layer for commercial operation of a power plant, having firm structural strength, and being capable of bearing the attack of seawater and ocean current and not easy to damage.

Description

Submarine cold water pipe water intake system for ocean thermal power plant

technical field

The invention relates to a water intake system of a seabed cold water pipe for an ocean temperature difference power plant.

Background technique

The principle of ocean thermal energy conversion is that after seawater absorbs solar heat energy, the surface seawater temperature is higher, while the deep seawater temperature is lower, and the temperature difference between the two is used to generate electricity. It can be divided into two types: open type and closed type. The open type system is limited by the low efficiency of the current low-pressure turbine, so it cannot be commercialized. The principle of closed type power generation is shown in Figure 20, which is to install a working medium-ammonia Installed in a closed pipeline, when the hot seawater undergoes heat exchange, the liquid ammonia can be evaporated into ammonia vapor in an evaporation tank, and the ammonia vapor can be condensed into liquid ammonia in a condensation tank according to the heat exchange principle. At this time, there is an ammonia vapor flow with a pressure difference between the evaporation tank and the condensation tank, and the pressure difference can be used to drive the turbine of a generator to start generating electricity.

However, since the seawater temperature difference is only about 20°C, a large amount of seawater is required to achieve commercial-grade power generation. Therefore, it is necessary to manufacture a water intake pipe with a large diameter to absorb cold and hot seawater. It is not only difficult to manufacture a water intake pipe with a large diameter, but also its manufacturing cost is quite high, especially for the water intake pipe used to draw deep seawater from the seabed, in addition to having a large diameter, it must also have a considerable length to penetrate into the seawater Water is taken from the bottom, so how to manufacture pipes with large diameters and excellent structural strength to withstand the invasion of seawater ocean currents is the problem to be solved by the present invention.

Contents of the invention

The main technical problem to be solved by the present invention is to overcome the above-mentioned defects in the prior art, and provide a subsea cold water pipe water intake system for ocean temperature difference power plants, which has low-temperature seawater that can transfer a large amount of deep seabed for commercial operation of power plants Advantages, and has a solid structural strength, and can withstand the invasion of seawater ocean currents without being easily damaged.

The technical solution adopted by the present invention to solve its technical problems is:

A subsea cold water pipe water intake system of an ocean temperature difference power plant, which is provided with a cold water inlet on a power generation ship, and a pumping device is provided at the cold water inlet, and a cold water pipe is connected to the cold water of the power generation ship at one end. The water inlets are connected, and the other end extends into the seabed to draw low-temperature seawater. It is characterized in that the cold water pipe includes: a water intake head with a plurality of filter holes on the surface, and one end of the water intake head. Fixed part; a water intake pipe, one end of which is connected to the fixed part of the water intake head, and the water intake pipe is formed by connecting multiple composite pipes in series, wherein the composite pipes are respectively arranged in sequence by multiple wavy inner pipes Form a tubular shape, and cover the inner and outer edges of the composite pipe with an impermeable cloth, each of the two ends of the composite pipe has a connecting portion, and the connecting portion is provided with corresponding corrugated inner pipes. A plurality of connecting through holes; a connecting pipe is formed by connecting an outer casing and an inner casing, the connecting pipe is connected to the water inlet of the power generation ship by its inner casing, and the outer casing of the connecting pipe The end of the pipe has a connecting portion which is engaged with the connecting portion of the water intake pipe, and one or more buoys are respectively arranged on the outer casing and the inner casing.

The aforementioned seabed cold water pipe water intake system of the ocean temperature difference power plant, wherein the connection part is an annular connection part with an "L" shape in cross section, and a plurality of fixing holes are arranged on the end face ring, and the composite pipes are connected with the connection part respectively. The fixing holes of the connecting parts are butted with each other, and a plurality of locking pieces are respectively passed through the fixing holes of the connecting parts to connect the composite pipes into one body.

In the above-mentioned subsea cold water pipe water intake system of the ocean thermal power plant, the connection through holes on the connecting part are in the shape of extending outward, and are respectively corresponding to and connected in series with the corrugated inner pipes in the composite pipe.

The aforementioned seabed cold water pipe water intake system of the ocean temperature difference power plant, wherein the connection part is an annular connection part with an "L" shape in cross section, and several positioning holes are arranged on the upper ring of the wall edge, and the composite pipes are respectively positioned with a The locking parts are arranged in each positioning hole on the wall edge of the composite pipe and the connecting part.

In the above-mentioned subsea cold water pipe water intake system of the ocean temperature difference power plant, a plurality of steel cables covered by polyethylene resin are connected between the connecting parts of the upper and lower ends of the composite pipe to prop up the two ends of the composite pipe. end.

In the above-mentioned seabed cold water pipe water intake system of the ocean thermal power plant, when the composite pipe is in use, a pressure-leveling tower is used to pour a water flow with an appropriate water pressure into the corrugated inner pipe of the composite pipe, so that the pipe of the composite pipe The walls expand and increase the structural strength of the composite tube.

In the above-mentioned submarine cold water pipe water intake system of the ocean temperature difference power plant, the buoyancy provided by the buoy of the outer casing is greater than the total weight of the water intake head, the water intake pipe and the outer casing in water, and by adjusting the inner casing The buoyancy of the buoy enables the inner sleeve to perform a telescopic displacement in the outer sleeve.

In the aforementioned seabed cold water pipe water intake system of the ocean temperature difference power plant, a plurality of fixed pulleys are arranged on the outer periphery of the outer casing, and one end of a fixed steel cable is wound on the fixed pulley of the outer casing, and a steel cable The fixing clamp fixes the fixed wire cable wound on the fixed pulley, and the other end of the fixed wire cable sinks to the bottom of the sea, and a buoyancy box is respectively arranged in the fixed wire cable so that the fixed wire rope A horizontal force is generated by the buoyancy of the buoyancy tank.

In the submarine cold water pipe water intake system of the aforementioned ocean temperature difference power plant, a plurality of fixed steel cables and buoyancy tanks are connected around the power generation ship, and one end of the fixed steel cables is connected to the power generation ship, and the other end is sunk to the seabed , the buoyancy tanks are respectively arranged in the fixed steel cables.

In the above-mentioned seabed cold water pipe water intake system of the ocean thermal power plant, the bottom of the power generation ship is further equipped with a plurality of caissons, and each caisson is used to provide the power generation ship with a vertical gravity.

In the above-mentioned seabed cold water pipe water intake system of the ocean temperature difference power plant, a plurality of extension pipes are arranged on the outer periphery of the outer casing, and each extension pipe corresponds to the wave-shaped inner pipe in the water intake pipe respectively, and the extension pipes are based on their One end is connected with the corrugated inner pipe in the water intake pipe, and the other end of the extension pipe is extended upwards to the inner casing and connected to the power generation ship.

The beneficial effect of the present invention is that it has the advantages of being able to transfer a large amount of low-temperature seawater in the deep seabed for commercial operation of power plants, has strong structural strength, and can withstand the invasion of seawater ocean currents without being easily damaged.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a structural representation of the present invention

Fig. 2 is the three-dimensional schematic view of the water intake head of the present invention

Fig. 3 is the three-dimensional schematic view of the water intake pipe of the present invention

Fig. 3A is a side sectional view of the composite pipe of the water intake pipe of the present invention when they are docked with each other

Fig. 3B is a cross-sectional view of a top view of the connecting portion of the composite pipe of the present invention

Fig. 4 is the three-dimensional schematic view of connecting pipe of the present invention

Fig. 5 is a schematic view of the state when the outer periphery of the outer casing of the present invention is provided with a fixed steel cable

Figures 6 to 19 are schematic flow charts of the installation of the seabed cold water pipe water intake system of the ocean temperature difference power plant of the present invention

Figure 20 is a schematic flow chart of the principle of seawater temperature difference power generation

has implementation

Please refer to Fig. 1 at first, the seabed cold water pipe water intake system of a kind of ocean temperature difference power plant provided by the present invention, it is to be provided with a cold water inlet 12 on a generating ship 10, and be provided with a pumping at this cold water inlet 12 places Device (not shown in the figure), a cold water pipe 21, is to join with the cold water inlet 12 of this generating ship 10 with one end thereof, and the other end then stretches into the seabed to draw the seawater of low temperature, and this cold water pipe 21 mainly It is composed of a water intake head 31, a water intake pipe 41 and a connecting pipe 51, wherein:

The water intake head 31, as shown in Figure 2, is provided with a plurality of filter holes 32 on the surface, so as to prevent the sundries in the seawater from being sucked by the water intake head 31 when the water intake head 31 performs the water intake action, and the water intake head 31 The top is expanded outwards to form a fixing part 34;

The water intake pipe 41, as shown in Figure 3, is formed by connecting a plurality of composite pipes 42 in series, wherein each composite pipe 42 is respectively arranged in a tubular form by a plurality of elastic and foldable corrugated inner pipes 43. , and the inner and outer edges of the composite pipe 42 are covered with a high-strength impermeable cloth 44, and a steel ring-shaped connecting portion 4 is respectively provided at both ends of the composite pipe 42

5. In this way, the roundness of the mouth of the composite pipe 42 can be maintained, and please refer to FIG. 3A, the cross section of the connecting part 45 is generally "L" shape, and there are multiple rings on the end surface of the connecting part 45. A fixing hole 451 and a plurality of connecting through holes 452 extending outward, wherein the composite pipes 42 are respectively butted with each other through the fixing holes 451 of the connecting part 45, and are respectively passed through the connecting parts by a plurality of locking pieces 46. 45 in the fixing hole 451 to connect the composite pipes 42 into one body, and the water intake pipe 41 formed by connecting the composite pipes 42 in series is connected to the fixed portion 34 of the water intake head 31 with the connecting portion 45 at one end thereof. connected, and the plurality of connecting through holes 452 extending outward on the end surface of the connecting part 45 are used to correspond to and connect in series with each corrugated inner tube 43 in the composite tube 42, so that the composite tube 42 Each corrugated inner tube 43 communicates with the outside through each connecting through hole 452; as shown in Figure 3B, wherein a plurality of positioning holes 453 are arranged on the wall edge of the connecting part 45, and the composite tube 42 is respectively connected with A positioning piece 47 is locked in each positioning hole 453 on the impermeable cloth 44 of the composite pipe 42 and the wall edge of the connecting part 45, so that the composite pipe 42 can be fixedly connected with the connecting part 45, and on the connecting part 45. The connecting parts 45 at the upper and lower ends of the composite pipe 42 are indirectly provided with a plurality of steel cables 48 covered by polyethylene resin, and are used to support the upper and lower ends of the composite pipe 42 to ensure the length of the composite pipe 42, and This composite pipe 42 is to utilize a flattening tower (not shown in the figure) to perfuse a water flow with a suitable water pressure in the corrugated inner pipe 43 of this composite pipe 42 during use, thereby the tube of this composite pipe 42 can be made The wall expands and enhances the flattening strength of the composite pipe 42 in seawater, and by changing the water level of the pressure-leveling tower, the pressure of the corrugated inner pipe 43 in the composite pipe 42 can be adjusted to adapt to different environments need;

The connecting pipe 51, as shown in FIG. 4 , is formed by connecting an outer casing 52 and an inner casing 53, and the connecting pipe 51 is fed with cold water whose inner casing 53 is connected to the generator ship 10. nozzle 12, and the end of the outer sleeve 52 of the connecting pipe 51 has a connecting portion 5

4 and jointed with the connecting portion 45 of the water intake pipe 41, and a plurality of buoys 521, 531 are respectively ringed on the outer circumference of the outer sleeve 52 and the inner sleeve 53, and the buoys 521 of the outer sleeve 52 provide The buoyancy is greater than the total weight of the water intake head 31, the water intake pipe 41 and the outer sleeve 52 in water, and the inner sleeve 53 can be placed on the outer sleeve by adjusting the buoyancy of the buoy 531 of the inner sleeve 53. Carry out a telescopic displacement in 52, so when sea surface storm is too big, can add water in the buoy 531 of this inner casing 53 to reduce this inner casing 5

3 buoyancy, so that the inner casing 53 sinks below the sea level, and thus can effectively reduce or avoid the impact of sea waves on the connecting pipe 51; moreover, when the inner casing 53 and After the cold water inlet 12 of the power generation ship 10 is combined, since the inner sleeve 53 can perform a telescopic displacement in the outer sleeve 52, the draft of the power generation ship 10 on the sea surface can be improved, so that the power generation The ship 10 can be more stable when it can perform power generation operations on the sea.

It must be particularly noted here that, as shown in Figure 5, a plurality of fixed pulleys 55, 56 are arranged around the outer periphery of the outer sleeve 52, and one end of a fixed steel cable 61 is wound around the outer sleeve 52. On the fixed pulleys 55, 56, fix the fixed steel cables 61 wound around the fixed pulleys 55, 56 with a steel cable fixing clip 57, and the other end of the fixed steel cables 61 then extends outwards and sinks to the In the seabed, a buoyancy tank 62 is respectively arranged in each of the fixed steel cables 61, so that the fixed steel cables 61 can be supported by the buoyancy of the buoyant tank 62 to generate a horizontal force, and more can ensure the cold water of the present invention. The stability of the pipe 21 in the sea, and a plurality of extension pipes 63 are provided on the outer periphery of the outer casing 52, and each extension pipe 63 corresponds to the wave-shaped inner pipe 43 in the water intake pipe 41, and the extension One end of the pipe 63 is connected to the corrugated inner pipe 43 in the water intake pipe 41, and the other end of the extension pipe 63 extends upwards to the inner casing 53 and is connected to the power generation ship 10, and The extension tubes 63 are made of elastic and shrinkable material, so that when the inner tube 53 moves up and down in the outer tube 52, the extension tubes 63 can be connected with the inner tube 53. In the same way, as shown in Figure 1, a plurality of fixed steel cables 61 and buoyancy tanks 6 are connected around the generating ship 10

2 structure, in addition, a plurality of caissons 14 are installed on the bottom of the power generation ship 10, and the vertical gravity provided by the caissons 14 can make the power generation ship 10 more able to slow down the impact of sea waves, and further improve the power generation Static stability of the ship 10 on the sea surface.

When the seabed cold water pipe water intake system of the ocean temperature difference power plant of the present invention is installed, the steps include:

a. First drive a gondola 71 to an installation site, wherein on the gondola 71, an installation area 72 communicating with the sea is provided, and a gondola 71 that can move on the gondola 71 is provided. Crane frame 74 (as shown in Figure 6);

b. The water intake head 31 is carried to the side of the suspension boat 71 by a transport ship 81 (as shown in Figure 7), and then the water intake head 31 is hoisted to the installation area 72 by the crane frame 74 (as shown in Figure 8 As shown), then the water intake head 31 is lowered into the seawater through the installation area 72, and then clamped to the fixed part 34 of the water intake head 31 by a fixed arm 76 (as shown in Figure 9);

c. Carry the composite pipe 42 compressed by the support steel frame 82 to the side of the crane 71, and then use the crane frame 74 to lift the composite pipe 42 to the top of the water intake head 31 of the installation area 72, and use the The connecting portion 45 at the lower end of the composite pipe 42 is engaged with the fixing portion 34 of the water intake head 31 (as shown in FIG. 10 );

d. Remove the supporting steel frame 82 that compresses the composite pipe 42, and lift the composite pipe 42 with the crane frame 74 to restore the original length of the composite pipe 42, which is at the outer periphery of the composite pipe 42 A plurality of steel cables 48 (as shown in FIG. 11 ) coated with polyethylene resin are vertically installed, and then a flattening tower (not shown) is used to pour water into the corrugated inner tube 43 of the composite tube 42. , so as to strengthen the wall strength of the composite pipe 42;

e. Unclamp the fixed arm 76 so that the composite pipe 42 is submerged in seawater, and then clamp the connecting portion 45 on the upper end of the composite pipe 42 with the fixed arm 76, and then carry another composite pipe 42 to the Next to the gondola 71 (as shown in Figure 12);

f. Repeat step c to step e until the composite pipe 42 connected in series reaches a predetermined length;

g. carry the outer casing 52 to the side of the crane 71, and lift the outer casing 52 to the top of the composite pipe 42 with the crane frame 74 (as shown in Figure 13 ), and connect the outer casing 52 with the part 54 to be docked with the connecting portion 45 of the composite pipe 42, then loosen the fixed arm 76 to lower the outer sleeve 52 to the seawater, and then clamp the upper edge of the outer sleeve 52 with the fixed arm 76 ( as shown in Figure 14);

h. carry the inner casing 53 to the side of the crane 71, and lift the inner casing 53 to the top of the outer casing 52 with the crane frame 74 (as shown in Figure 15), and then the inner casing 53 Descend to be socketed in the outer sleeve 52 (as shown in FIG. 16 ), which constitutes the cold water pipe 21 of the present invention;

i. A plurality of fixed steel cables 61 are connected on the outer casing 52, and each fixed steel cable 61 is connected with the outer casing 52 with its one end, and the other end sinks to the seabed, and the fixed steel cables 61 are each provided with a buoyancy tank 62, so that the fixed steel cable 61 is properly tensioned by the buoyancy of the buoyancy tank 62, and then add an appropriate amount of water in the buoy 531 of the inner sleeve 53, so that the inner sleeve The pipe 53 sinks into the next appropriate position on the sea surface (as shown in Figure 17);

j. Make the power generation ship 10 travel to the top of the cold water pipe 21, and make the cold water inlet 12 of the power generation ship 10 correspond to the opening end of the inner sleeve 53, and at this time, the inner sleeve 5

3, the water in the buoyancy tank 531 of 3 is pumped out in an appropriate amount, so that the inner casing 53 is slightly buoyant, and then a predetermined weight of seawater is sucked into the power generation ship 10, so that the power generation ship 10 is loaded and lowered to make the power generation ship 10 The cold water inlet 12 of the cold water pipe 21 is joined with the inner casing 53 (as shown in Figure 18);

k. Connect a plurality of fixed steel cables 61 and buoyant tanks 62 around the generating ship 10, and a plurality of caissons 14 are installed at the bottom of the generating ship 10, so as to improve the stability of the generating ship 10 on the sea surface (such as Figure 19).

The seabed cold water pipe water intake system of the ocean temperature difference power plant provided by the present invention has the following advantages:

1. The water intake pipe of the present invention is formed by connecting multiple composite pipes in series, and each composite pipe is formed by a plurality of elastic and foldable wave-shaped inner pipes arranged in sequence, so it is the same as the whole group. Compared with the water intake pipe made of steel material, the present invention has the characteristics of simple manufacture and low manufacturing cost.

2. The composite pipe of the present invention is a pipe wall structure formed by arranging multiple wavy inner pipes, and uses a flattening tower to pour water into the wavy inner pipe of the composite pipe to expand the pipe wall of the composite pipe And the structural strength of the composite pipe is enhanced, and because the pipe wall is in a wave-like structure, it can more effectively resist the pressure generated in all directions.

3. The composite pipe of the present invention is mainly composed of multiple elastic wave-shaped inner pipes, and the inner and outer edges of the composite pipe wall are covered with high-strength impermeable cloth, so that the composite pipe is slightly elastic and flexible. Foldable characteristics, so it can be compressed to effectively reduce the volume during transportation, and the water intake pipe formed by the series connection of these composite pipes is under the sea surface, because the pipe wall is slightly elastic, it can effectively eliminate the impact of seawater currents direct attack.

4. In the present invention, the inner sleeve is connected to the cold water inlet of the power generation ship, and the inner sleeve can perform a telescopic displacement in the outer sleeve. Therefore, when the power generation ship is combined with the inner sleeve, it can Improve the draft of the power generation ship on the sea surface, and make the power generation ship more stable when performing power generation operations on the sea surface, and because the water intake pipe is connected to the power generation ship with multiple fixed steel cables, and Several caissons are added, so the static stability of the water intake pipe under the sea surface and the power generation ship on the sea surface can be effectively improved.

5. The connecting pipe of the present invention is formed by socketing the outer casing and the inner casing, and a plurality of buoys are arranged on the outer periphery of the outer casing and the inner casing, so when the inner casing floats At sea level, the inner sleeve is sleeved in the outer sleeve so that when the inner sleeve is shaken up and down by waves on the sea surface, the inner sleeve can carry out a movement along the diameter of the outer sleeve. Telescopic displacement, so that the water intake pipe engaged with the outer sleeve will not shake up and down due to the traction of the inner sleeve.

Claims (11)

1. the seabed cold water pipe water intake system of a sea thermal power station; It is to be provided with a cold water inlet in a generating ship; And be provided with a water plug in this cold water inlet place, a cold water pipe is that the cold water inlet with one of which end and this generating ship joins, and the other end then is inserted in the seabed to draw the seawater of low temperature; It is characterized in that this cold water pipe includes:

One water intake, surface are provided with a plurality of filter openings, and on this fetches water first end, have a fixed part;

One intake pipe; Fixed part with one of which end and this water intake joins; And this intake pipe is formed by many multiple tube serial connections, and wherein this each multiple tube is arranged in regular turn by many wavy interior pipes respectively and formed a tubulose form, and outer rim is covered with a waterproof cloth in the tube wall of this multiple tube; The two ends of this multiple tube respectively have a junction, offer corresponding a plurality of connecting through holes of each wavy interior pipe with this on this connecting portion;

One tube connector; Be to be socketed to form each other by an outer tube and an inner sleeve; This tube connector is the water inlet that is engaged in this generating ship with its inner sleeve; The outer tube end of this tube connector then has one and meets the portion of establishing and engage with the connecting portion of this intake pipe, and on this outer tube and this inner sleeve, respectively is provided with an above floating drum.

2. the seabed cold water pipe water intake system of sea thermal power station according to claim 1; It is characterized in that: said connecting portion is the annular connecting portion that section is " L " shape; Be equipped with a plurality of fixing holes on its end face; This each multiple tube docks with the fixing hole of this connecting portion respectively each other, and is arranged in respectively by some locking parts in the fixing hole of this each connecting portion so that this each multiple tube is connected to one.

3. the seabed cold water pipe water intake system of sea thermal power station according to claim 1, it is characterized in that: each connecting through hole on the said connecting portion is to be the shape that extends outwardly, and respectively with this multiple tube in each wavy in pipe corresponding each other and be connected in series.

4. the seabed cold water pipe water intake system of sea thermal power station according to claim 1; It is characterized in that: said connecting portion is the annular connecting portion that section is " L " shape; Be equipped with several locating holes on its wall edge, and this multiple tube is locked in each locating hole on this multiple tube and this connecting portion wall edge with positioning piece respectively.

5. the seabed cold water pipe water intake system of sea thermal power station according to claim 1 is characterized in that: between the connecting portion of said multiple tube upper/lower terminal be equipped with a plurality of by the cable wire that polyvinyl resin coated, to stay on the two ends of this multiple tube.

6. the seabed cold water pipe water intake system of sea thermal power station according to claim 1; It is characterized in that: said multiple tube is to utilize a concora crush tower in this multiple tube wavy, to be perfused with the current of the suitable hydraulic pressure of a tool in the pipe when using, so that the tube wall of this multiple tube expansion and strengthen the structural strength of this multiple tube.

7. the seabed cold water pipe water intake system of sea thermal power station according to claim 1; It is characterized in that: the buoyancy that floating drum provided of said outer tube is greater than this water intake, this intake pipe and the gross weight of this outer tube in water, and can make this inner sleeve can in this outer tube, carry out a telescopic displacement by the float buoyancy of this inner sleeve of adjustment.

8. the seabed cold water pipe water intake system of sea thermal power station according to claim 1; It is characterized in that: the outside of said outer tube is provided with a plurality of fixed pulleys; And with one fixedly an end of wirerope be set around on the fixed pulley of this outer tube; With a wirerope geometrical clamp the fixedly wirerope that this is set around on this fixed pulley is fixed again; Fixedly the other end of wirerope then is sink in the seabed, and fixedly is respectively equipped with a buoyancy tank in the wirerope in this, so that fixedly wirerope receives the buoyancy stay bolt of this buoyancy tank and produces a horizontal force.

9. the seabed cold water pipe water intake system of sea thermal power station according to claim 1; It is characterized in that: be connected with a plurality of fixedly wireropes and buoyancy tank around the said generating ship; Fixedly wirerope is to be located on this generating ship with the one of which termination; The other end then is sink in the seabed, this each fixedly be respectively equipped with this buoyancy tank in the wirerope.

10. the seabed cold water pipe water intake system of sea thermal power station according to claim 9, it is characterized in that: the hull bottom of said this generating ship more is equiped with a plurality of caissons, and this each caisson is in order to provide this generating ship to have one vertically to gravity.

11. the seabed cold water pipe water intake system of sea thermal power station according to claim 1; It is characterized in that: said outer tube outside is provided with many extensions; Each extension respectively with said intake pipe in wavy in pipe each other corresponding; And this extension joins with the wavy interior pipe in one of which end and the said intake pipe, and the other end of this extension then up extends on this inner sleeve and is arranged in this generating ship.

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