Sodium hypochlorite storage tank applied to flexible direct-current water cooling system

Abstract

The utility model discloses a sodium hypochlorite storage tank applied to a flexible direct-current water cooling system, which comprises a seawater lift pump, an outlet of the seawater lift pump is connected with an electrolytic bath box through an outlet pipe, two generators are arranged in the electrolytic bath box, the generators are connected with a straight-through pipe, and the straight-through pipe is communicated with the sodium hypochlorite storage tank; the top of the sodium hypochlorite storage tank is also provided with an overflow pipe; and the sodium hypochlorite storage tank is communicated with the cone-bottom storage tank through a flow guide pipe. A sodium hypochlorite solution generated by the sodium hypochlorite generator firstly enters the cone bottom storage tank. A hole is formed in the middle of the cone-bottom storage tank, a flow guide pipe is arranged, and the cone-bottom storage tank is connected with the emptying pipeline of the cylinder storage tank through the pipeline. When the sodium hypochlorite solution in the conical bottom storage tank is accumulated to the height of the flow guide pipe, the sodium hypochlorite solution without impurities on the upper layer can enter the column storage tank through the flow guide pipe. A manual valve, an electric valve and a control system of the manual valve and the electric valve are additionally arranged on a blow-off pipeline at the bottom of the cone-bottom storage tank, sediment at the bottom can be discharged regularly through the design of the cone-bottom storage tank, and the risk of impurity accumulation and blockage is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of flexible direct current offshore converter valve cooling devices, and in particular to a sodium hypochlorite storage tank applied to a flexible direct current electric water cooling system. Background Art

[0002] The flexible DC electric field water cooling system is a cooling system for the flexible DC converter submodule. The water source of the water cooling system is the seawater lifting pump that extracts seawater. To ensure that the seawater lifting pump can lift seawater normally, seaweed is prevented from forming at the water inlet of the lifting pump and causing blockage. The sodium hypochlorite generator electrolyzes to produce sodium hypochlorite solution, which is stored in the sodium hypochlorite storage tank for 20 minutes and injected into the inlet of the seawater lifting pump through a pipeline and brought into the circulating seawater to inhibit the growth and reproduction of microorganisms in the seawater. In the process of electrolysis to generate sodium hypochlorite solution, the generator will leave some impurities and sludge. After the impurities and sludge flow into the sodium hypochlorite storage tank, they will adhere to the bottom of the tank after a long period of sedimentation, making it difficult to clean and discharge. Utility Model Content

[0003] The utility model aims to solve the problem of blockage of the sodium hypochlorite storage tank by residues and some sludge after electrolysis; and solve the problem of excessive siltation at the bottom of the sodium hypochlorite generator storage tank after electrolysis, which leads to blockage of the inlet pipeline leading to the seawater lifting pump.

[0004] In order to solve the above problems, the present invention is realized by the following technical solutions:

[0005] A sodium hypochlorite storage tank of a flexible direct current water cooling system comprises a seawater lifting pump, wherein the outlet of the seawater lifting pump is connected to an electrolytic cell box through an outlet pipe, wherein two generators are arranged in the electrolytic cell box, wherein the generators are connected to a straight-through pipe, and the straight-through pipe is connected to the sodium hypochlorite storage tank; an overflow pipe is also arranged on the top of the sodium hypochlorite storage tank, and the sodium hypochlorite storage tank is connected to a cone-bottom storage tank through a guide pipe; a sewage discharge pipe is connected to the bottom of the cone-bottom storage tank, and two first pipes are connected above the electrolytic cell box, and outlets of the first pipes are connected to the top of the cone-bottom storage tank.

[0006] The generator is a sodium hypochlorite generator.

[0007] The straight-through pipe is provided with a storage tank valve.

[0008] An electric control box is also provided on the cone-bottom storage tank.

[0009] The top of the sodium hypochlorite storage tank is connected to an exhaust pipe, a liquid level gauge is installed on the side wall of the sodium hypochlorite storage tank, an electric pump is arranged at the bottom of the sodium hypochlorite storage tank, an output end of the electric pump is connected to a discharge pipe, a timing valve is installed on the discharge pipe, and an outlet of the discharge pipe is connected to the inlet of a seawater lifting pump.

[0010] The first pipeline is also provided with a first manual valve.

[0011] The guide pipe is also provided with a drain valve and a third manual valve.

[0012] The bottom of the cone-bottom storage tank is cone-shaped, which is convenient for removing chips and sludge.

[0013] The sewage pipe is provided with a second manual valve and a sewage valve.

[0014] The two first pipelines are connected in parallel with electric valves.

[0015] Preferably, the cone-bottom storage tank is made of fiberglass.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The utility model adds a cone-bottom storage tank next to the storage tank, and the sodium hypochlorite solution generated by the sodium hypochlorite generator first enters the cone-bottom storage tank. A diversion pipe is provided in the middle of the cone-bottom storage tank, and is connected to the drain pipe of the column storage tank through the pipe. The upper layer of impurity-free sodium hypochlorite solution is sent into the sodium hypochlorite storage tank through the diversion pipe to inhibit the growth and reproduction of microorganisms in seawater. When the sodium hypochlorite solution in the cone-bottom storage tank accumulates to the height of the diversion pipe, the upper layer of impurity-free sodium hypochlorite solution will enter the storage tank through the diversion pipe.

[0018] 2. The sewage pipe at the bottom of the cone-bottom storage tank is equipped with manual valves, electric valves and their control systems. The design of the cone-bottom storage tank allows the sediment at the bottom to be discharged regularly, reducing the accumulation of impurities and the risk of blockage.

[0019] 3. An overflow pipe is also provided on the top of the sodium hypochlorite storage tank; the function of the overflow pipe is to allow the sodium hypochlorite in the sodium hypochlorite storage tank to overflow. The overflow pipe is provided on the top to avoid overflow when the sodium hypochlorite storage tank is filled too much or when the liquid level meter fails and the electrolysis cannot be stopped. The bottom of the overflow pipe is an inverted U shape to reduce the flow rate of the overflowing sodium hypochlorite solution, thereby alleviating the impact force on the discharge pipe.

[0020] 4. By adding a cone-bottom storage tank and a sedimentation and sewage discharge system to the sodium hypochlorite storage tank, the problem of blockage caused by residues and some sludge after electrolysis can be solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of a sodium hypochlorite storage tank of the utility model.

[0022] Figure numerals: tank valve 1; straight pipe 101; generator 2; electrolytic cell box 3; overflow pipe 301; first pipeline 4; electric valve 5; sodium hypochlorite storage tank 6; discharge pipe 601; liquid level meter 602; timing valve 603; electric pump 604; first manual valve 7; cone bottom storage tank 8; electric control box 801; sewage pipeline 9; second manual valve 10; sewage valve 11; drain valve 12; third manual valve 13; guide pipe 14, exhaust pipe 15, seawater lifting pump 16; outlet pipe 1601. DETAILED DESCRIPTION

[0023] It should be understood that the terms "upper", "top", "bottom", "inner", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] The electric control box 801 is powered by an external power supply. The electric control box 801 in the present invention is used to power and control the electric valve 5, the timing valve 603, the electric sewage valve 11, the seawater lifting pump 16, the electric pump 604. Each electrical component is equipped with a sensor when purchased. The electric control box 801, the seawater lifting pump 16, the timing valve 603 and the electric pump 604, which are not described in detail in the present invention, can be purchased on the market. The structure of these devices themselves and the specific control method, such as the controller of the electric control box 801 and the control method of the corresponding execution module, are not described in detail in the present invention.

[0025] Example 1

[0026] A sodium hypochlorite storage tank used in a flexible DC water cooling system, see attached Figure 1 The connection methods and functions of the pipelines, valves and tanks of this device are as follows:

[0027] The outlet pipe 1601 of the seawater lifting pump 16 is connected to the electrolytic tank box 3, and the seawater is injected into the electrolytic tank box 3. Two generators 2 are arranged in the electrolytic tank box 3. The generator 2 is a sodium hypochlorite generator. One of the two generators 2 is set to a normally open state, and the other is set to a closed standby state. The generators 2 are used in a standby and a standby state. The generators 2 are connected to the straight-through pipes 101, and each straight-through pipe 101 is provided with a tank valve 1; the tank valve 1 is in a closed state during normal operation. If the first pipeline 4 or the cone-bottom storage tank 8 fails, the tank valve 1 is opened.

[0028] The straight pipe 101 is connected to the sodium hypochlorite storage tank 6; the function of the straight pipe 101 is to connect the sodium hypochlorite generator 2 directly to the storage tank 6. The sodium hypochlorite storage tank 6 is connected to the cone-bottom storage tank 8 through the guide pipe 14; the cone-bottom storage tank 8 transports the sodium hypochlorite solution to the sodium hypochlorite storage tank 6 through the guide pipe 14. The guide pipe 14 is located in the middle of the cone-bottom storage tank 8 to prevent impurities or sludge in the sodium hypochlorite solution from being injected into the sodium hypochlorite storage tank 6; a liquid level gauge is also provided on the outer wall of the sodium hypochlorite storage tank. An electric pump 604 is provided at the bottom of the sodium hypochlorite storage tank 6; the output end of the electric pump 604 is connected to the discharge pipe 601, and the discharge pipe 601 is provided with a timing valve 603. The side wall of the sodium hypochlorite storage tank 6 is equipped with a liquid level gauge 602, and the outlet of the sodium hypochlorite storage tank 6 is connected to the inlet of the seawater lifting pump 16 through the discharge pipe 601 to transport the sodium hypochlorite solution to the seawater lifting pump 16;

[0029] The top of the sodium hypochlorite storage tank 6 is also provided with an overflow pipe 301; the inverted U-shaped bottom pipe opening of the overflow pipe 301 is connected to the discharge pipe 601; the connection port of the overflow pipe 301 is located at the outlet rear section of the timing valve 603. When overflow occurs, the overflow pipe 301 is used to discharge the sodium hypochlorite solution at the overflow point into the circulating seawater lifting pump 16 through the discharge pipe 601 when the storage tank 6 overflows, so as to inhibit the growth and reproduction of microorganisms in the seawater. The top of the sodium hypochlorite storage tank 6 is connected with an exhaust pipe 15; the exhaust pipe 15 is used to remove the residual hydrogen gas inside the sodium hypochlorite solution after electrolysis.

[0030] The guide pipe 14 is also provided with a drain valve 12 and a third manual valve 13; the third manual valve 13 is normally open, and the third manual valve 13 is closed when the cone bottom storage tank 8 fails. The drain valve 12 is used to discharge the air in the sodium hypochlorite storage tank 6 and the cone bottom storage tank 8. The drain valve 12 is subsequently connected to the atmosphere.

[0031] An electric control box 801 is also provided on the cone bottom storage tank 8; the electric control box 801 is powered by an external power supply. The sludge and impurities are discharged from the cone bottom storage tank 8 once every 12 hours. The conical bottom of the cone bottom storage tank 8 is connected to a sewage pipe 9; the sewage pipe 9 is provided with a second manual valve 10 and a sewage valve 11; the sewage valve 11 is an electric sewage valve, the specific model of the electric sewage valve is HL-05S, purchased from HELI Heli Co., Ltd.; the second manual valve 10 is normally open, and when the electric sewage valve 11 is inspected and repaired, the second manual valve 10 is closed; the sludge discharged from the sewage pipe 9 is discharged into the sea.

[0032] Two first pipelines 4 are connected above the electrolytic cell box 3, one of the two first pipelines 4 is set to a normally open state, and the other is set to a closed standby state. The outlet of the first pipeline 4 is connected to the top of the cone-bottom storage tank 8; the two first pipelines 4 are connected in parallel with an electric valve 5, the specific model of the electric valve 5 is HL-05S, purchased from HELI Heli Co., Ltd.; the first pipeline 4 is also provided with a first manual valve 7, the first manual valve 7 is normally open, and the first manual valve 7 is closed when the electric valve 5 is inspected; the sodium hypochlorite solution is transported to the cone-bottom storage tank 8 through the first pipeline 4.

[0033] Through the connection method described above, the operation process of this device is as follows:

[0034] The electric control box 801 is started, and the seawater lifting pump 16 pumps seawater into the electrolytic tank box 3 , and the sodium hypochlorite solution produced by the generator 2 in the electrolytic tank box 3 is pumped into the conical bottom storage tank 8 through the first pipeline 4 . Open the drain valve 12 and the exhaust pipe 15 to discharge the air in the sodium hypochlorite storage tank 6 and the cone-bottom storage tank 8, then only close the drain valve 12, and keep the exhaust pipe 15 in a normally open state. The outlet of the exhaust pipe 15 is higher than the overflow pipe 301, and the impurities and sludge of the sodium hypochlorite solution settle at the conical bottom of the cone-bottom storage tank 8. The sodium hypochlorite solution without impurities enters the sodium hypochlorite storage tank 6 through the guide pipe 14 in the middle of the cone-bottom storage tank 8 for storage. Open the timing valve 603 and the electric pump 604 to release the sodium hypochlorite solution in the sodium hypochlorite storage tank 6 to the inlet of the seawater lifting pump 16; start the electric drain valve 11 every 12 hours to discharge sludge and impurities from the cone-bottom storage tank 8, and discharge the settled sludge impurities through the drain pipe 9.

[0035] The specific application scenario of the novel device is a flexible DC water cooling system. In order to solve the sludge blockage of the sodium hypochlorite storage tank, the following improvement measures are taken: the cone bottom storage tank 6 is made of glass fiber reinforced plastic.

[0036] Those skilled in the art can adjust and optimize the above parameters as needed. In addition, the description of the present invention is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or replace some of the technical features therein by equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sodium hypochlorite storage tank for use in a flexible direct current water cooling system, comprising a seawater lift pump (16), characterized in that: The outlet of the seawater lifting pump (16) is connected to the electrolytic cell box (3) via an outlet pipe (1601); two generators (2) are arranged in the electrolytic cell box (3); the generators (2) are connected to a straight pipe (101); the straight pipe (101) is connected to a sodium hypochlorite storage tank (6); an overflow pipe (301) is also arranged on the top of the sodium hypochlorite storage tank (6); the sodium hypochlorite storage tank (6) is connected to a conical bottom storage tank (8) via a flow guide pipe (14); a sewage discharge pipe (9) is connected to the bottom of the conical bottom storage tank (8); two first pipes (4) are connected to the top of the electrolytic cell box (3); the outlets of the first pipes (4) are connected to the top of the conical bottom storage tank (8).

2. The sodium hypochlorite storage tank used in a flexible direct current water cooling system according to claim 1, characterized in that: The generator (2) is a sodium hypochlorite generator.

3. The sodium hypochlorite storage tank used in a flexible direct current water cooling system according to claim 1, characterized in that: The straight-through pipe (101) is provided with a storage tank valve (1).

4. The sodium hypochlorite storage tank used in a flexible direct current water cooling system according to claim 1, characterized in that: An electric control box (801) is also provided on the cone-bottom storage tank (8).

5. The sodium hypochlorite storage tank used in a flexible direct current water cooling system according to claim 1, characterized in that: The top of the sodium hypochlorite storage tank (6) is connected to an exhaust pipe (15), a liquid level gauge (602) is installed on the side wall of the sodium hypochlorite storage tank (6), an electric pump (604) is installed at the bottom of the sodium hypochlorite storage tank (6), the output end of the electric pump (604) is connected to a discharge pipe (601), a timing valve (603) is installed on the discharge pipe (601), and the outlet of the discharge pipe (601) is connected to the inlet of a seawater lifting pump (16).

6. The sodium hypochlorite storage tank used in a flexible direct current water cooling system according to claim 1, characterized in that: A first manual valve (7) is also provided on the first pipeline (4).

7. The sodium hypochlorite storage tank used in a flexible direct current water cooling system according to claim 1, characterized in that: The flow guide pipe (14) is also provided with a drain valve (12) and a third manual valve (13).

8. The sodium hypochlorite storage tank used in a flexible direct current water cooling system according to claim 1, characterized in that: The bottom of the conical bottom storage tank (8) is conical, which is convenient for removing chips and sludge.

9. The sodium hypochlorite storage tank used in a flexible direct current water cooling system according to claim 1, characterized in that: The sewage pipe (9) is provided with a second manual valve (10) and a sewage valve (11).

10. The sodium hypochlorite storage tank used in a flexible direct current water cooling system according to claim 1, characterized in that: The two first pipelines (4) are connected in parallel with electric valves (5).

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