CN210379219U - Hydrogen discharging device in seawater battery reaction process - Google Patents
Hydrogen discharging device in seawater battery reaction process Download PDFInfo
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- CN210379219U CN210379219U CN201921106150.5U CN201921106150U CN210379219U CN 210379219 U CN210379219 U CN 210379219U CN 201921106150 U CN201921106150 U CN 201921106150U CN 210379219 U CN210379219 U CN 210379219U
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Abstract
The utility model discloses a hydrogen discharging device in the seawater battery reaction process, which comprises a first container, a second container, an air pumping pipeline, an exhaust pipeline, a gas valve control system and a pressure control device; the first container and the second container are respectively communicated with the hydrogen output end of the galvanic pile in a one-way mode through an air suction pipeline, and are respectively communicated with the seawater environment in a one-way mode through an exhaust pipeline; the pressure control device is respectively connected with the first container and the second container and is used for alternately changing the pressure in the first container and the second container so that one of the first container and the second container is in an air exhaust state while the other one of the first container and the second container is in an air exhaust state; by adopting the hydrogen discharge device with the structure, the first container and the second container alternately extract air from the hydrogen output end of the galvanic pile and alternately exhaust air to the seawater environment, so that hydrogen generated in the reaction process of the seawater battery can be timely and continuously discharged to the seawater.
Description
Technical Field
The utility model relates to a sea water battery technical field especially relates to a hydrogen discharging equipment in sea water battery reaction process.
Background
The metal-oxygen-seawater battery is a novel clean energy source, waste gases such as hydrogen and the like are generated in the working process, and if the generated hydrogen is not discharged or consumed in time, potential safety hazards are brought. The existing solution is to add a hydrogen fuel cell device in the system, and use the hydrogen generated by the reaction as the fuel of the hydrogen fuel cell, so as to utilize the resources to the maximum extent. Firstly, the hydrogen fuel cell has a relatively high requirement on the purity of hydrogen (the requirement on the purity of hydrogen is more than 99.99%), the hydrogen generated by reaction often cannot meet the purity standard due to the air in the cell, and an additional system/structure is needed to purify the hydrogen; secondly, the hydrogen fuel cell reaction needs oxygen, the metal-oxygen-seawater cell usually carries oxygen, the oxygen is mainly supplied for the self metal-oxygen-seawater cell reaction, and the hydrogen fuel cell consumes the self oxygen of the system, so that the running time of the cell system is shortened; thirdly, the hydrogen required by the hydrogen fuel cell needs to be pressurized to be supplied to the cell, so that the hydrogen generated by the reaction needs to be pressurized, and a set of pressurizing system needs to be added. Therefore, it is necessary to design a waste gas exhaust device to exhaust the hydrogen generated in the reaction process of the oxygen-seawater battery into the seawater environment.
SUMMERY OF THE UTILITY MODEL
The purpose of the present invention is to provide a hydrogen discharging device in the reaction process of seawater battery, which can conveniently discharge the hydrogen generated in the reaction process of metal-oxygen-seawater battery to the seawater environment in time, in order to solve the above technical problems.
In order to achieve the purpose, the utility model discloses a hydrogen discharging device in the reaction process of a seawater battery, which comprises a first container, a second container, an air pumping pipeline, an air exhaust pipeline, a gas valve control system and a pressure control device; the first container and the second container are respectively communicated with a hydrogen output end of a galvanic pile in a seawater battery reaction system in a one-way mode through the air suction pipeline, and are respectively communicated with a seawater environment in a one-way mode through the exhaust pipeline; the gas valve control system is arranged on the gas extraction pipeline and is used for controlling the first container and the second container to be alternately communicated with the hydrogen output end of the galvanic pile; the pressure control device is respectively connected with the first container and the second container and is used for alternately changing the pressure in the first container and the second container so that one of the first container and the second container is in an air exhaust state while the other one of the first container and the second container is in an air exhaust state.
Compared with the prior art, the hydrogen discharging device in the seawater battery reaction process comprises a first container, a second container, an air pumping pipeline, an air exhaust pipeline, a gas valve control system and a pressure control device, when in work, the gas valve control system alternately opens the connection of the gas extraction pipeline, the first container and the second container with the hydrogen output end of the galvanic pile respectively, the pressure control device then controls the pressure change in the first and second containers, e.g., when the first container is communicated with the hydrogen output end of the galvanic pile, the pressure intensity in the first container is reduced to form negative pressure, thereby sucking hydrogen into the first container through the air suction pipeline, increasing the pressure in the second container, and discharging the sucked hydrogen in the second container into the seawater environment through the exhaust pipeline, so as to circularly reciprocate; therefore, the first container and the second container alternately extract air from the hydrogen output end of the galvanic pile and alternately exhaust air to the seawater environment, so that the hydrogen generated in the reaction process of the seawater battery can be timely and continuously exhausted to the seawater environment, and the influence of the deep seawater pressure on the exhaust process can be avoided because the air is exhausted to the seawater by the pressure control device.
Preferably, the first container and the second container are respectively a cylinder, and the pressure control device includes a first piston and a second piston respectively disposed in the first container and the second container, and a first driving device and a second driving device respectively driving the first piston and the second piston to reciprocate.
Preferably, the hydrogen output end of the electric pile is further provided with a buffer container, and the air exhaust pipeline is communicated with the buffer container.
Preferably, the buffer container further comprises a first pressure sensor, a second pressure sensor and a third pressure sensor, wherein the first pressure sensor is arranged in the first container, the second pressure sensor is arranged in the second container, and the third pressure sensor is arranged in the buffer container.
Preferably, the first pumping line is provided with a first one-way valve for limiting reverse flow of gas into the buffer container, and the second pumping line is provided with a second one-way valve for limiting reverse flow of gas into the buffer container.
Preferably, the gas valve control system comprises a normally open solenoid valve arranged on the first air suction pipeline and a normally closed solenoid valve arranged on the second air suction pipeline.
Preferably, the first exhaust pipeline of exhaust pipeline and second exhaust pipeline, first exhaust pipeline with the one end of second exhaust pipeline respectively with first container with the second container intercommunication, first exhaust pipeline with the other end of second exhaust pipeline respectively with sea water environment one-way intercommunication.
Preferably, the first exhaust pipeline is provided with a third one-way valve for limiting seawater and gas from flowing into the first container, and the second exhaust pipeline is provided with a fourth one-way valve for limiting seawater and gas from flowing into the second container.
Drawings
Fig. 1 is a schematic diagram of a principle structure of a hydrogen discharging device in a seawater battery reaction process according to an embodiment of the present invention.
Detailed Description
In order to explain technical contents, structural features, implementation principles, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in combination with the embodiments. The left and right directions in the following embodiments are described by way of example in the direction shown in the drawings, but are not exemplified.
As shown in fig. 1, the utility model discloses a hydrogen discharging device in the reaction process of seawater battery, which comprises a first container 10, a second container 20, an air pumping pipeline, an air exhaust pipeline, a gas valve control system and pressure control devices C1 and C2; the first container 10 and the second container 20 are respectively communicated with the hydrogen output end of the galvanic pile 4 in the seawater battery reaction system in a one-way mode through an air suction pipeline, and the first container 10 and the second container 20 are respectively communicated with the seawater environment in a one-way mode through an exhaust pipeline; the gas valve control system is arranged on the gas extraction pipeline and is used for controlling the first container 10 and the second container 20 to be alternately communicated with the hydrogen output end of the galvanic pile 4; the pressure control devices C1 and C2 are respectively connected to the first container 10 and the second container 20, and are configured to alternately change the pressure inside the first container 10 and the second container 20, so that one of the first container 10 and the second container 20 is in the evacuation state and the other one is in the evacuation state. During operation, the gas valve control system alternately opens the connection between the gas extraction pipeline and the hydrogen output end of the first container 10 and the connection between the gas extraction pipeline and the hydrogen output end of the second container 20 and the hydrogen output end of the galvanic pile 4, and then the pressure control devices C1 and C2 control the pressure change in the first container 10 and the second container 20, for example, when the first container 10 is connected with the hydrogen output end of the galvanic pile 4, the pressure in the first container 10 is reduced to form negative pressure, so that hydrogen is sucked into the first container 10 through the gas extraction pipeline, at the moment, the pressure in the second container 20 is increased, and hydrogen which is sucked into the second container 20 is discharged into the seawater environment through the gas discharge pipeline, so as to circulate; it can be seen that the first container 10 and the second container 20 alternately draw air from the hydrogen output end of the cell stack 4 and alternately discharge the air into the seawater environment, so that the hydrogen generated during the reaction of the seawater cell can be timely and continuously discharged into the seawater, and the influence of the pressure of the deep seawater on the exhaust process can be avoided because the air is discharged into the seawater by the pressure control device.
As shown in fig. 1, the first container 10 and the second container 20 are cylinders, respectively, and the pressure control devices C1 and C2 include a first piston 11 and a second piston 21 respectively disposed in the first container 10 and the second container 20, and a first driving device and a second driving device respectively driving the first piston 11 and the second piston 21 to reciprocate. In this embodiment, the first driving means includes the first link 12 and the first linear motion motor 13, the second driving means includes the second link 22 and the second linear motion motor 23, and the effective volumes of the first container 10 and the second container 20 are changed by the reciprocating motion of the first piston 11 and the second piston 21, thereby changing the pressures in the first container 10 and the second container 20, and the structure is simple and the cost is low. Further, a buffer container 30 is arranged at the hydrogen output end of the electric pile 4, and the air extraction pipeline is communicated with the buffer container 30. The hydrogen generated in the reaction process of the cell stack 4 can be discharged to the buffer container 30 in time, which not only improves the exhaust efficiency of the cell stack 4, but also increases the extraction amount of the first container 10 and the second container 20 in one extraction process.
Preferably, a first pressure sensor 14 is disposed in the first container 10, a second pressure sensor 24 is disposed in the second container 20, and a third pressure sensor 31 is disposed in the buffer container 30. The pressure control devices C1 and C2 can be used to adjust the pressure in the first container 10 and the second container 20 by referring to the feedback values of the first pressure sensor 14, the second pressure sensor 24 and the third pressure sensor 31, and the detailed control process will be described in detail below.
Preferably, the suction line comprises a first suction line 15 and a second suction line 25; one end of the first air suction pipeline 15 is communicated with the cache container 30, and the other end is communicated with the first container 10; one end of the second suction line 25 communicates with the buffer container 30, and the other end communicates with the second container 20. The first container 10 and the second container 20 respectively suck hydrogen gas from the buffer container 30 through the first pumping line 15 and the second pumping line 25, and in order to prevent gas from flowing backwards, the first pumping line 15 is provided with a first check valve F1 for limiting gas from flowing backwards into the buffer container 30, and the second pumping line 25 is provided with a second check valve F2 for limiting gas from flowing backwards into the buffer container 30. The gas valve control system in this embodiment includes a normally open solenoid valve JC disposed on the first air extraction line 15 and a normally closed solenoid valve JB disposed on the second air extraction line 25, and the normally open solenoid valve JC and the normally closed solenoid valve JB may be controlled by the same relay, thereby ensuring the alternate communication between the first air extraction line 15 and the second air extraction line 25.
Further, the first exhaust pipeline 16 and the second exhaust pipeline 26 are exhausted, one ends of the first exhaust pipeline 16 and the second exhaust pipeline 26 are respectively communicated with the first container 10 and the second container 20, and the other ends of the first exhaust pipeline 16 and the second exhaust pipeline 26 are respectively communicated with the seawater environment in a one-way mode. Preferably, first exhaust line 16 is provided with a third check valve F3 for restricting the flow of seawater and gas into first container 10, and second exhaust line 26 is provided with a fourth check valve F4 for restricting the flow of seawater and gas into second container 20.
The following is a detailed description of the specific operation of the hydrogen discharge device having the above-described structure:
s10, generating hydrogen in the power generation process of the galvanic pile 4;
s11, keeping the normally open solenoid valve JC normally open, keeping the normally closed solenoid valve JB normally closed, namely opening the first air suction pipeline 15 and closing the second air suction pipeline 25;
s12, simultaneously obtaining the air pressure values of the first pressure sensor 14, the second pressure sensor 24 and the third pressure sensor 31, which are respectively P1, P2 and P3;
s13, controlling the first linear motion motor 13 to move to the right slowly at a constant speed (in the direction shown in the figure), so as to drive the first piston 11 to move to the right through the first connecting rod 12, and continuously forming negative pressure (P2< P1) in the first container 10, so that hydrogen enters the first container 10 through the normally open electromagnetic valve JC and the first one-way valve F1;
s14, stopping the movement when the first linear motion motor 13 moves to the limit position (controlled by a limit sensor), and keeping the stop state;
s15: simultaneously, opening the normally closed solenoid valve JB and closing the normally open solenoid valve JC, namely closing the first air extraction pipeline 15 and opening the second air extraction pipeline 25;
16: and controlling the first linear motion motor 13 to slowly move leftwards at a constant speed, so that the first piston 11 compresses the gas in the first container 10, and when the pressure of the gas in the first container 10 is higher than that of the external seawater, the gas in the first container is extruded out of the external seawater through the third one-way valve F3.
S17: when the first linear motion motor 13 reaches its left limit position, it is controlled to stop and then move right again until P2 is less than P1;
s18: then keeping the state and waiting for the next action;
the actions performed in synchronization with the above steps S16 to S18 include the following:
s20: the pressure P2 in the second container 20 is detected by the second pressure sensor 24, and the pressure P3 in the buffer container 30 is detected by the third pressure sensor 31;
s21: the second linear motion motor 23 is controlled to slowly move rightwards at a constant speed, the second connecting rod 22 drives the second piston 21 to move rightwards, so that negative pressure (P2< P3) is continuously formed in the second container 20, and hydrogen enters the second container 20 through the normally closed solenoid valve JB and the second one-way valve F2;
s22: when the second linear motion motor 23 moves to the limit position (controlled by a limit sensor), the second linear motion motor stops and keeps a stop state, and meanwhile, the normally closed electromagnetic valve JB is closed, and the normally open electromagnetic valve JC is opened;
s22: the second linear motion motor 23 is controlled to slowly move leftwards at a constant speed, the gas in the second container 20 is compressed by the second piston 21, and when the pressure of the gas in the second container 20 is higher than the pressure of the external seawater, the gas is discharged through the fourth check valve F4.
S23, when the second linear motion motor 23 reaches the left limit position, the second linear motion motor is controlled to stop and then move to the right again until the pressure value P3 of the second pressure sensor 24 is lower than the pressure value P1 of the third pressure sensor 31;
thus, a hydrogen discharge cycle is completed by alternately sucking and discharging the first container 10 and the second container 20, and hydrogen can be continuously discharged into the external seawater by repeatedly performing the above steps, the second container 20 performs a gas discharge operation while the first container 10 performs a gas discharge operation, and the second container 20 performs a gas discharge operation while the first container 10 performs a gas discharge operation, thereby alternately and continuously discharging hydrogen generated in the cell stack 4 into the external marine environment.
The above disclosure is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the scope of the present invention is not limited to the above embodiments.
Claims (9)
1. A hydrogen discharge device in the reaction process of a seawater battery is characterized by comprising a first container, a second container, an air pumping pipeline, an air exhaust pipeline, a gas valve control system and a pressure control device; the first container and the second container are respectively communicated with a hydrogen output end of a galvanic pile in a seawater battery reaction system in a one-way mode through the air suction pipeline, and are respectively communicated with a seawater environment in a one-way mode through the exhaust pipeline; the gas valve control system is arranged on the gas extraction pipeline and is used for controlling the first container and the second container to be alternately communicated with the hydrogen output end of the galvanic pile; the pressure control device is respectively connected with the first container and the second container and is used for alternately changing the pressure in the first container and the second container so that one of the first container and the second container is in an air exhaust state while the other one of the first container and the second container is in an air exhaust state.
2. The apparatus as claimed in claim 1, wherein the first container and the second container are respectively a cylinder, and the pressure control device comprises a first piston and a second piston respectively disposed in the first container and the second container, and a first driving device and a second driving device respectively driving the first piston and the second piston to reciprocate.
3. The hydrogen discharging device in the seawater cell reaction process according to claim 1, wherein a buffer container is further provided at the hydrogen output end of the electric pile, and the air suction pipeline is communicated with the buffer container.
4. The apparatus as claimed in claim 3, further comprising a first pressure sensor, a second pressure sensor and a third pressure sensor, wherein the first pressure sensor is disposed in the first container, the second pressure sensor is disposed in the second container, and the third pressure sensor is disposed in the buffer container.
5. The apparatus for discharging hydrogen in the reaction process of a seawater battery as claimed in claim 3, wherein the suction line comprises a first suction line and a second suction line; one end of the first air suction pipeline is communicated with the cache container, and the other end of the first air suction pipeline is communicated with the first container; one end of the second air suction pipeline is communicated with the cache container, and the other end of the second air suction pipeline is communicated with the second container.
6. The hydrogen discharging device in the seawater cell reaction process as claimed in claim 5, wherein the first pumping line is provided with a first one-way valve for limiting gas to reversely flow into the buffer container, and the second pumping line is provided with a second one-way valve for limiting gas to reversely flow into the buffer container.
7. A hydrogen discharger according to claim 5 wherein the gas valve control system comprises a normally open solenoid valve disposed on the first suction line and a normally closed solenoid valve disposed on the second suction line.
8. The device as claimed in claim 1, wherein the exhaust pipeline comprises a first exhaust pipeline and a second exhaust pipeline, one end of the first exhaust pipeline and one end of the second exhaust pipeline are respectively communicated with the first container and the second container, and the other end of the first exhaust pipeline and the other end of the second exhaust pipeline are respectively communicated with the seawater environment in one way.
9. The apparatus as claimed in claim 8, wherein the first exhaust pipe is provided with a third check valve for restricting the flow of seawater and gas into the first container, and the second exhaust pipe is provided with a fourth check valve for restricting the flow of seawater and gas into the second container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921106150.5U CN210379219U (en) | 2019-07-15 | 2019-07-15 | Hydrogen discharging device in seawater battery reaction process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921106150.5U CN210379219U (en) | 2019-07-15 | 2019-07-15 | Hydrogen discharging device in seawater battery reaction process |
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| Publication Number | Publication Date |
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| CN210379219U true CN210379219U (en) | 2020-04-21 |
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| CN201921106150.5U Active CN210379219U (en) | 2019-07-15 | 2019-07-15 | Hydrogen discharging device in seawater battery reaction process |
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