CN215995923U - Gas-water separator and fuel cell device - Google Patents
Gas-water separator and fuel cell device Download PDFInfo
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- CN215995923U CN215995923U CN202120543536.3U CN202120543536U CN215995923U CN 215995923 U CN215995923 U CN 215995923U CN 202120543536 U CN202120543536 U CN 202120543536U CN 215995923 U CN215995923 U CN 215995923U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model discloses a gas-water separator and a fuel cell device, wherein the gas-water separator comprises a water separator cavity, a heating and water discharging electromagnetic valve and a heat insulation material; the gas-water separator cavity comprises an inner cavity, an outer cavity and a cavity; the cavity is arranged between the inner cavity and the outer cavity and is filled with heat insulation materials; the bottom of the inner cavity is provided with a liquid storage chamber; the outer cavity is provided with a hydrogen inlet, a hydrogen return outlet and a water drainage outlet which are connected with the inner cavity; the inner cavity is provided with a first-stage baffle and a second-stage baffle; the bottom end of the water separator cavity is provided with a connecting hole shell for installing a heating and draining electromagnetic valve, the inlet of the heating and draining electromagnetic valve is connected with the connecting hole, and the heating and draining electromagnetic valve has the functions of timed draining, exhausting and efficient heating. The gas-water separator and the fuel cell device provided by the utility model can improve the separation efficiency and reduce the fluid pressure loss.
Description
Technical Field
The utility model belongs to the technical field of new energy, relates to a fuel cell, and particularly relates to a gas-water separator of the fuel cell.
Background
A fuel cell engine is a power generation device that directly converts chemical energy of hydrogen and oxygen reacting inside a stack into electrical energy. In order to improve the hydrogen utilization rate of the fuel cell system, a hydrogen closed-end circulation mode is adopted at present in a mainstream mode. The mode not only can improve the utilization rate of the hydrogen, but also can ensure that the hydrogen on the anode side is uniformly distributed.
The existing hydrogen returning device can not effectively separate residual hydrogen which does not participate in the reaction from water, so that a large amount of water enters the galvanic pile to generate flooding, and the power of the galvanic pile is reduced. Meanwhile, when electrochemical reaction occurs inside the electric pile, the fluid of the anode and the fluid of the cathode are required to have certain temperature, so that the fuel cell system is ensured to have stable performance; and after the shutdown, the water can be frozen in a low-temperature environment to block a water outlet of the gas-water separator, so that the low-temperature starting of the fuel cell system is abnormal.
In view of the above, there is a need to design a new fuel cell gas-water separator to overcome at least some of the above-mentioned disadvantages of the existing gas-water separator.
SUMMERY OF THE UTILITY MODEL
The utility model provides a gas-water separator and a fuel cell device, which can improve the separation efficiency and reduce the fluid pressure loss.
In order to solve the technical problem, according to one aspect of the present invention, the following technical solutions are adopted:
a gas-water separator, comprising: a water separator cavity, a heating and draining electromagnetic valve and a high polymer heat-insulating foam material;
the water separator cavity comprises an outer cavity, an inner cavity and a cavity; the cavity is arranged between the outer cavity and the inner cavity and is filled with a high-molecular heat-insulating foam material; the cavity of the gas-water separator is filled with the polymer heat-insulating foam material, so that a large amount of heat loss under the low-temperature condition can be avoided, and heat insulation is realized;
the water separator cavity is provided with a hydrogen inlet, a hydrogen return port, a water outlet, a connecting hole, a liquid storage chamber, a primary baffle and a secondary baffle;
the top of the outer cavity is provided with a hydrogen return port, the side surface of the outer cavity is provided with a hydrogen inlet, and the bottom of the outer cavity is provided with a water outlet and a connecting hole; the hydrogen inlet, the hydrogen return port and the water outlet are connected with the inner cavity;
a liquid storage chamber is arranged at the bottom of the inner cavity; the inner cavity is provided with a primary baffle and a secondary baffle, the primary baffle is close to the hydrogen inlet of the outer cavity, and the secondary baffle is close to the hydrogen return port of the outer cavity;
the sealing rubber pad is positioned at the upper end of the inner cavity and the lower end of the cover plate; the sealing rubber gasket is positioned at the upper end of the outer cavity and the lower end of the cover plate;
the anode of the pile does not participate in reacting the gas-liquid mixture of hydrogen and water, and the gas-liquid mixture enters the inner cavity of the gas-water separator from the hydrogen inlet, the gas-liquid mixture is subjected to primary gas-liquid separation by a primary baffle plate according to the principle of rotary separation, the primary baffle plate and the arc-shaped wall surface form a circular airflow to increase the collision probability of liquid drops, so that small liquid drops are increased into large liquid drops, and the large liquid drops flow into the liquid storage chamber along the wall surface after being condensed and gathered;
the first-stage baffle separates the residual gas-liquid mixture for the first time and then is blocked by the second-stage baffle, the second-stage baffle can enable the gas flow to be downward along the cambered surface, and liquid drops are gathered and fall to the liquid storage chamber under the action of gravity; the separated hydrogen returns to the electric pile from the hydrogen return port upwards along with the airflow for reaction due to low density;
the first-stage baffle is provided with a first posture adjusting mechanism for adjusting the posture of the first-stage baffle in the inner cavity; the secondary baffle is provided with a second posture adjusting mechanism for adjusting the posture of the secondary baffle in the inner cavity;
a medium flow detection module is arranged in the water separator cavity and used for detecting the fluid condition in the water separator cavity; the first posture adjusting mechanism is used for adjusting the posture of the primary baffle in the inner cavity according to the fluid condition detected by the water separator cavity, and the second posture adjusting mechanism is used for adjusting the posture of the secondary baffle in the inner cavity according to the fluid condition detected by the water separator cavity;
the fluid condition comprises at least one of a temperature, a pressure, a flow rate, a humidity of the fluid; the posture comprises at least one of the position of the corresponding baffle in a set area and the radian of the cambered surface;
the bottom end of the water separator cavity is provided with a connecting hole, and the heating and water discharging electromagnetic valve is connected with the water separator cavity through the connecting hole; the heating and water discharging electromagnetic valve is provided with a heating and water discharging electromagnetic valve inlet which is connected with the connecting hole, and the liquid storage chamber stores liquid water which flows into the heating and water discharging electromagnetic valve inlet through the water flow channel; the heating and water discharging electromagnetic valve has the functions of timing water discharging, air discharging and self-heating;
the heating and water discharging electromagnetic valve is provided with a water outlet and is controlled by the control device to open the water outlet so as to discharge the water in the liquid storage chamber in time;
the heating and water discharging electromagnetic valve also has a heating function, when the ambient temperature is lower than 0 ℃, water in the liquid storage chamber has a risk of freezing, and the heating and water discharging electromagnetic valve is controlled by the control device to open the heating function so as to solve the problem of cold start of the fuel cell system at low temperature;
the water separator cavity is an injection molding piece; a first sealing rubber gasket is arranged between the inner cavity and the first cover plate; the first sealing rubber pad is 0.5mm higher than the mounting groove; after the first sealing rubber cushion is installed, maintaining the nitrogen at 2bar for 10min without pressure drop; injecting a high-molecular heat-insulating foam material into the cavity; a second sealing rubber gasket is arranged between the outer cavity and the second cover plate; the thickness of the second sealing rubber gasket is 1 mm; after the second sealing rubber gasket is installed, the nitrogen is maintained at 2bar for 10min without pressure drop.
According to another aspect of the utility model, the following technical scheme is adopted: a gas-water separator, comprising: the water separator comprises a water separator cavity, a heating and draining electromagnetic valve and a heat insulation material;
the water separator cavity comprises an inner cavity, an outer cavity and a cavity; the cavity is arranged between the inner cavity and the outer cavity and is filled with heat insulation materials;
the bottom of the inner cavity is provided with a liquid storage chamber; the outer cavity is provided with a hydrogen inlet, a hydrogen return port and a water outlet which are connected with the inner cavity; the inner cavity is provided with a first-stage baffle and a second-stage baffle;
the bottom end of the water separator cavity is provided with a connecting hole shell for installing a heating and draining electromagnetic valve, the inlet of the heating and draining electromagnetic valve is connected with the connecting hole, and the heating and draining electromagnetic valve has the functions of timing draining, exhausting and efficient heating.
In one embodiment of the utility model, the water separator chamber is a hydrophobic plastic injection molded part.
As an embodiment of the utility model, a high polymer thermal insulation foam material is filled between the inner cavity and the outer cavity of the water separator, and has a low thermal conductivity coefficient; a large use temperature range; the deformation is small, and the corrosion-resistant anti-aging is difficult.
As an embodiment of the present invention, the primary baffle is located near the outer cavity hydrogen inlet; the secondary baffle is close to the hydrogen return port of the outer cavity.
As an implementation mode of the utility model, the bottom of the outer cavity of the water separator is provided with a connecting hole for installing a heating and draining electromagnetic valve.
As an embodiment of the utility model, the water separator cavity is an injection molded part; a first sealing rubber gasket is arranged between the inner cavity and the first cover plate; the first sealing rubber pad is 0.5mm higher than the mounting groove; after the first sealing rubber cushion is installed, maintaining the nitrogen at 2bar for 10min without pressure drop; injecting a high-molecular heat-insulating foam material into the cavity; a second sealing rubber gasket is arranged between the outer cavity and the second cover plate; the thickness of the second sealing rubber gasket is 1 mm; after the second sealing rubber gasket is installed, the nitrogen is maintained at 2bar for 10min without pressure drop.
As an embodiment of the present invention, the primary baffle is provided with a first posture adjustment mechanism for adjusting the posture of the primary baffle in the inner cavity; the secondary baffle is provided with a second posture adjusting mechanism for adjusting the posture of the secondary baffle in the inner cavity;
a medium flow detection module is arranged in the water separator cavity and used for detecting the fluid condition in the water separator cavity; the first posture adjusting mechanism is used for adjusting the posture of the primary baffle in the inner cavity according to the fluid condition detected by the water separator cavity, and the second posture adjusting mechanism is used for adjusting the posture of the secondary baffle in the inner cavity according to the fluid condition detected by the water separator cavity;
the fluid condition comprises at least one of a temperature, a pressure, a flow rate, a humidity of the fluid; the posture comprises at least one of the position of the corresponding baffle in the set area and the radian of the cambered surface.
According to another aspect of the utility model, the following technical scheme is adopted: a fuel cell device comprises the fuel cell gas-water separator.
The utility model has the beneficial effects that: the gas-water separator and the fuel cell device provided by the utility model can improve the separation efficiency and reduce the fluid pressure loss.
The working principle of the gas-water separator is that the flow field changes in the process of passing through the baffle plate by utilizing the difference of gravity borne by hydrogen, impurity gas and liquid drops, so that the forward kinetic energy of the liquid drops is reduced, and the liquid drops fall to the bottom of a cavity of the water separator and are collected; the device has the characteristics of high separation efficiency, reduced fluid pressure loss and small volume; in addition, the gas-water separator is integrated with a heatable water discharge electromagnetic valve, so that the problem of cold start of the fuel cell system at low temperature is solved; and the cavity between the inner cavity and the outer cavity of the gas-water separator is filled with a polymer heat-insulating foam material to avoid large heat loss, so that the anode fluid entering the galvanic pile has certain temperature, and the system performance of the fuel cell is improved.
Drawings
Fig. 1 is a perspective view of a fuel cell gas-water separator according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a fuel cell water separator chamber according to an embodiment of the utility model.
Fig. 3 is a cross-sectional view of a fuel cell water separator chamber in accordance with an embodiment of the present invention.
The reference numbers are as follows:
1. a water separator chamber; 2. a first sealing rubber gasket; 3. a first cover plate; 4. a second sealing rubber gasket;
5. a second cover plate; 6. heating a water discharge electromagnetic valve; 7. a hydrogen return port; 8. a hydrogen inlet;
9. a water outlet; 10. connecting holes; 11. heating an inlet of a drainage electromagnetic valve; 12. an outer cavity;
13. an inner cavity; 14. a cavity; 15. a liquid storage chamber; 16. a first stage baffle;
17. and a secondary baffle.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
For a further understanding of the utility model, reference will now be made to the preferred embodiments of the utility model by way of example, and it is to be understood that the description is intended to further illustrate features and advantages of the utility model, and not to limit the scope of the claims.
The description in this section is for several exemplary embodiments only, and the present invention is not limited only to the scope of the embodiments described. It is within the scope of the present disclosure and protection that the same or similar prior art means and some features of the embodiments may be interchanged.
The term "connected" in the specification includes both direct connection and indirect connection.
The utility model discloses a gas-water separator, which comprises: a water separator cavity, a heating and water discharging electromagnetic valve and a heat insulation material. The water separator cavity comprises an inner cavity, an outer cavity and a cavity; the cavity is arranged between the inner cavity and the outer cavity and is filled with heat insulation materials. The bottom of the inner cavity is provided with a liquid storage chamber; the outer cavity is provided with a hydrogen inlet, a hydrogen return port and a water outlet which are connected with the inner cavity; the inner cavity is provided with a first-stage baffle and a second-stage baffle. The bottom end of the water separator cavity is provided with a connecting hole shell for installing a heating and draining electromagnetic valve, the inlet of the heating and draining electromagnetic valve is connected with the connecting hole, and the heating and draining electromagnetic valve has the functions of timing draining, exhausting and efficient heating.
FIGS. 1 to 3 illustrate the structure of a fuel cell gas-water separator according to an embodiment of the present invention; referring to fig. 1 to 3, a gas-water separator includes: a water separator cavity 1, a heating and draining electromagnetic valve 6 and a high polymer heat-insulating foam material.
The water separator cavity 1 comprises an outer cavity 12, an inner cavity 13 and a cavity 14; the cavity 14 is arranged between the outer cavity 12 and the inner cavity 13, and the cavity 14 is filled with a high polymer heat-insulating foam material; the cavity 14 of the gas-water separator is filled with the polymer heat-insulating foam material, so that a large amount of heat loss under the low-temperature condition can be avoided, and heat insulation is realized; the hydrogen returning to the electric pile for reaction is ensured to meet the optimal temperature requirement of the whole fuel cell system on the hydrogen entering the pile, so that the efficiency of the fuel electric system is optimized.
The water separator cavity 1 is provided with a hydrogen inlet 8, a hydrogen return port 7, a water outlet 9, a connecting hole 10, a liquid storage chamber 15, a primary baffle 16 and a secondary baffle 17. The top of the outer cavity 12 is provided with a hydrogen return port 7, the side surface is provided with a hydrogen inlet 8, and the bottom is provided with a water outlet 9 and a connecting hole 10; the hydrogen inlet 8, the hydrogen return port 7 and the water outlet 9 are connected with the inner cavity 13. A liquid storage chamber 15 is arranged at the bottom of the inner cavity 13; the inner cavity 13 is provided with a primary baffle 16 and a secondary baffle 17, the primary baffle 16 is close to the hydrogen inlet 8 of the outer cavity 12, and the secondary baffle 17 is close to the hydrogen return opening 7 of the outer cavity 12.
The first sealing rubber gasket 2 is positioned at the upper end of the inner cavity 13 and the lower end of the cover plate; the second sealing rubber gasket 4 is positioned at the upper end of the outer cavity 12 and the lower end of the cover plate.
The anode of the pile does not participate in reacting the gas-liquid mixture of hydrogen and water, the gas-liquid mixture enters the inner cavity 13 of the gas-water separator 1 from the hydrogen inlet 8, the gas-liquid mixture is subjected to first gas-liquid separation by the aid of the primary baffle 16 according to the rotation separation principle, the primary baffle 16 and the arc-shaped wall face form a circular airflow to increase the collision probability of liquid drops, small liquid drops are promoted to be increased into large liquid drops, and the large liquid drops flow into the liquid storage chamber 15 along the wall face after being condensed and gathered.
The first-stage baffle 16 separates the residual gas-liquid mixture for the first time and then is blocked by the second-stage baffle 17, the second-stage baffle 17 enables the gas flow to be downward along the arc surface, and liquid drops are gathered and fall to the liquid storage chamber 15 under the action of gravity; the separated hydrogen gas with lower density returns to the electric pile from the hydrogen return port 7 along with the gas flow for reaction.
In one embodiment, the primary baffle 16 is provided with a first posture adjustment mechanism for adjusting the posture of the primary baffle 16 in the inner cavity 13; the second-stage baffle 17 is provided with a second posture adjusting mechanism for adjusting the posture of the second-stage baffle 17 in the inner cavity 13. A medium flow detection module is arranged in the water separator cavity 1 and used for detecting the fluid condition in the water separator cavity 1; the first posture adjusting mechanism is used for adjusting the posture of the primary baffle 16 in the inner cavity 13 according to the fluid condition detected by the water separator cavity 1, and the second posture adjusting mechanism is used for adjusting the posture of the secondary baffle 17 in the inner cavity 13 according to the fluid condition detected by the water separator cavity 1. The fluid condition may include at least one of a temperature, a pressure, a flow rate, a humidity of the fluid; the attitude may include at least one of a position of the corresponding baffle in the set region, an arc of the arc.
The bottom end of the water separator cavity 1 is provided with a connecting hole 10, and the heating and water discharging electromagnetic valve 6 is connected with the water separator cavity 1 through the connecting hole 10; the heating and water discharging electromagnetic valve 6 is provided with a heating and water discharging electromagnetic valve inlet 11, the heating and water discharging electromagnetic valve inlet 11 is connected with the connecting hole, and liquid water stored in the liquid storage chamber 15 flows into the heating and water discharging electromagnetic valve inlet 11 through a water flow channel; the heating and draining electromagnetic valve 6 has the functions of timing draining, exhausting and high-efficiency heating.
The heating and water discharging electromagnetic valve 6 is provided with a water outlet 9, and the heating and water discharging electromagnetic valve 6 is controlled by the control device to open the water outlet so as to discharge the water in the liquid storage chamber 15 in time.
The heating and water discharging electromagnetic valve 6 also has a heating function, when the ambient temperature is lower than 0 ℃, water in the liquid storage chamber 15 has a risk of freezing, and the heating and water discharging electromagnetic valve 6 is controlled by the control device to open the heating function so as to solve the problem of cold start of the fuel cell system at a low temperature.
The water separator cavity 1 is an injection molding piece; a first sealing rubber gasket 2 is arranged between the inner cavity 13 and the first cover plate 3; the first sealing rubber gasket 2 is 0.5mm higher than the mounting groove; after the first sealing rubber cushion 2 is installed, maintaining the nitrogen at 2bar for 10min without pressure drop; injecting a high-molecular heat-insulating foam material into the cavity 14; a second sealing rubber gasket 4 is arranged between the outer cavity 12 and the second cover plate 5; the thickness of the second sealing rubber gasket 4 is 1 mm; after the second sealing rubber cushion 4 is installed, the nitrogen is maintained at 2bar for 10min without pressure drop.
The utility model also discloses a preparation method of the gas-water separator, which comprises the following steps:
injection molding of a water separator cavity 1; a first sealing rubber gasket 2 is arranged between the inner cavity 13 of the water separator cavity 1 and the first cover plate 3; in one embodiment, the first sealing rubber gasket 2 is 0.5mm higher than the mounting groove;
after the first sealing rubber cushion 2 is installed, maintaining 2bar of nitrogen (or other set air pressure, such as 1.8-3 bar of air pressure) for 10min (or other time, such as 5-60 min) without pressure drop; injecting a high-molecular heat-insulating foam material into the cavity 14;
a second sealing rubber gasket 4 is arranged between the outer cavity 12 and the second cover plate 5; in one embodiment, the thickness of the second sealing rubber pad 4 is 1 mm; after the second sealing rubber pad 4 is installed, the nitrogen gas is maintained at 2bar (or at other set air pressure, such as 1.8-3 bar), the pressure is maintained for 10min (or at other time, such as 5-60 min), and no pressure drop occurs.
The utility model further discloses a fuel cell device which comprises the fuel cell gas-water separator.
In summary, the gas-water separator and the fuel cell device provided by the utility model can improve the separation efficiency and reduce the fluid pressure loss.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The description and applications of the utility model herein are illustrative and are not intended to limit the scope of the utility model to the embodiments described above. Effects or advantages referred to in the embodiments may not be reflected in the embodiments due to interference of various factors, and the description of the effects or advantages is not intended to limit the embodiments. Variations and modifications of the embodiments disclosed herein are possible, and alternative and equivalent various components of the embodiments will be apparent to those skilled in the art. It will be clear to those skilled in the art that the present invention may be embodied in other forms, structures, arrangements, proportions, and with other components, materials, and parts, without departing from the spirit or essential characteristics thereof. Other variations and modifications of the embodiments disclosed herein may be made without departing from the scope and spirit of the utility model.
Claims (9)
1. A gas-water separator, comprising: a water separator cavity (1), a heating and draining electromagnetic valve (6) and a high polymer heat-insulating foam material;
the water separator cavity (1) comprises an outer cavity (12), an inner cavity (13) and a cavity (14); the cavity (14) is arranged between the outer cavity (12) and the inner cavity (13), and the cavity (14) is filled with a high polymer heat-insulating foam material; the cavity (14) of the gas-water separator is filled with the polymer heat-insulating foam material, so that a large amount of heat loss under the low-temperature condition can be avoided, and heat insulation is realized;
the water separator cavity (1) is provided with a hydrogen inlet (8), a hydrogen return port (7), a water outlet (9), a connecting hole (10), a liquid storage chamber (15), a primary baffle (16) and a secondary baffle (17);
the top of the outer cavity (12) is provided with a hydrogen return port (7), the side surface is provided with a hydrogen inlet (8), and the bottom is provided with a water outlet (9) and a connecting hole (10); the hydrogen inlet (8), the hydrogen return port (7) and the water outlet (9) are connected with the inner cavity (13);
a liquid storage chamber (15) is arranged at the bottom of the inner cavity (13); the inner cavity (13) is provided with a primary baffle (16) and a secondary baffle (17), the primary baffle (16) is close to the hydrogen inlet (8) of the outer cavity (12), and the secondary baffle (17) is close to the hydrogen return port (7) of the outer cavity (12);
the sealing rubber mat is positioned at the upper end of the inner cavity (13) and the lower end of the cover plate; the sealing rubber gasket (2) is positioned at the upper end of the outer cavity (12) and the lower end of the cover plate (25);
the anode of the pile does not participate in the reaction of hydrogen and liquid water generated by the reaction to form a gas-liquid mixture, the gas-liquid mixture enters an inner cavity (13) of a cavity (1) of the water separator from a hydrogen inlet (8), and the gas-liquid mixture undergoes flow field change through a primary baffle (16) to reduce the forward kinetic energy of liquid drops; the first-stage baffle (16) and the arc-shaped wall surface form a circular air flow to increase the collision probability of the small liquid drops and the arc-shaped wall surface, so that the small liquid drops are gathered to form large liquid drops and flow into the liquid storage chamber (15) along the arc-shaped wall surface;
the first-stage baffle (16) separates the residual gas-liquid mixture for the first time and then is blocked by the second-stage baffle (17), the second-stage baffle (17) enables the gas flow to be downward along the arc surface, and liquid drops are gathered and fall to the liquid storage chamber (15) under the action of gravity; the separated hydrogen gas with lower density returns to the electric pile from the hydrogen return port (7) along with the gas flow for reaction;
the primary baffle (16) is provided with a first posture adjusting mechanism for adjusting the posture of the primary baffle (16) in the inner cavity (13); the secondary baffle (17) is provided with a second posture adjusting mechanism for adjusting the posture of the secondary baffle (17) in the inner cavity (13);
a medium flow detection module is arranged in the water separator cavity (1) and used for detecting the fluid condition in the water separator cavity (1); the first posture adjusting mechanism is used for adjusting the posture of the primary baffle (16) in the inner cavity (13) according to the fluid flow detected by the water separator cavity (1), and the second posture adjusting mechanism is used for adjusting the posture of the secondary baffle (17) in the inner cavity (13) according to the fluid flow detected by the water separator cavity (1);
the fluid condition comprises at least one of a temperature, a pressure, a flow rate, a humidity of the fluid; the posture comprises at least one of the position of the corresponding baffle in a set area and the radian of the cambered surface;
the bottom end of the water separator cavity (1) is provided with a connecting hole (10), and the heating and water discharging electromagnetic valve (6) is connected with the water separator cavity (1) through the connecting hole (10); the heating and water discharging electromagnetic valve (6) is provided with a heating and water discharging electromagnetic valve inlet (11), the heating and water discharging electromagnetic valve inlet (11) is connected with the connecting hole, and liquid water stored in the liquid storage chamber (15) flows into the heating and water discharging electromagnetic valve inlet (11) through a water flow channel;
the heating and water discharging electromagnetic valve (6) is provided with a water outlet (9), and the heating and water discharging electromagnetic valve (6) is controlled by the control device to open the water outlet so as to discharge the water in the liquid storage chamber (15) in time;
the heating and water discharging electromagnetic valve (6) also has a heating function, when the ambient temperature is lower than 0 ℃, water in the liquid storage chamber (15) has a risk of icing, and the heating and water discharging electromagnetic valve (6) is controlled by the control device to open the heating function so as to solve the problem of cold start of the fuel cell system at a low temperature;
the water separator cavity (1) is an injection molding piece; a first sealing rubber gasket (2) is arranged between the inner cavity (13) and the first cover plate (3); the first sealing rubber gasket (2) is 0.5mm higher than the mounting groove; polymer heat-insulating foam materials are injected into the cavity (14); a second sealing rubber gasket (4) is arranged between the outer cavity (12) and the second cover plate (5); the thickness of the second sealing rubber gasket (4) is 1 mm.
2. A gas-water separator, comprising: the water separator comprises a water separator cavity, a heating and draining electromagnetic valve and a heat insulation material;
the water separator cavity comprises an inner cavity, an outer cavity and a cavity; the cavity is arranged between the inner cavity and the outer cavity and is filled with heat insulation materials;
the bottom of the inner cavity is provided with a liquid storage chamber; the outer cavity is provided with a hydrogen inlet, a hydrogen return outlet and a water drainage outlet which are connected with the inner cavity; the inner cavity is provided with a first-stage baffle and a second-stage baffle;
the bottom end of the water separator cavity is provided with a connecting hole shell for installing a heating and draining electromagnetic valve, the inlet of the heating and draining electromagnetic valve is connected with the connecting hole, and the heating and draining electromagnetic valve has the functions of timing draining, exhausting and efficient heating.
3. The gas-water separator of claim 2, wherein:
the water separator cavity is a hydrophobic plastic injection molding.
4. The gas-water separator of claim 2, wherein:
a high-molecular heat-insulating foam material with a low heat conductivity coefficient is filled between the inner cavity and the outer cavity of the water separator; a large use temperature range; the deformation is small, and the corrosion-resistant anti-aging is difficult.
5. The gas-water separator of claim 2, wherein:
the primary baffle is positioned close to the hydrogen inlet of the outer cavity; the secondary baffle is close to the hydrogen return port of the outer cavity.
6. The gas-water separator of claim 2, wherein:
and a connecting hole is formed in the bottom of the outer cavity of the water separator and is used for installing a heating and water discharging electromagnetic valve.
7. The gas-water separator of claim 2, wherein:
the water separator cavity is an injection molding piece; a first sealing rubber gasket is arranged between the inner cavity and the first cover plate; the first sealing rubber pad is 0.5mm higher than the mounting groove; after the first sealing rubber cushion is installed, maintaining the nitrogen at 2bar for 10min without pressure drop; injecting a high-molecular heat-insulating foam material into the cavity; a second sealing rubber gasket is arranged between the outer cavity and the second cover plate; the thickness of the second sealing rubber gasket is 1 mm; after the second sealing rubber gasket is installed, the nitrogen is maintained at 2bar for 10min without pressure drop.
8. The gas-water separator of claim 2, wherein:
the first-stage baffle is provided with a first posture adjusting mechanism for adjusting the posture of the first-stage baffle in the inner cavity; the secondary baffle is provided with a second posture adjusting mechanism for adjusting the posture of the secondary baffle in the inner cavity;
a medium flow detection module is arranged in the water separator cavity and used for detecting the fluid condition in the water separator cavity; the first posture adjusting mechanism is used for adjusting the posture of the first baffle in the inner cavity according to the fluid flow detected by the water separator cavity, and the second posture adjusting mechanism is used for adjusting the posture of the second baffle in the inner cavity according to the fluid flow detected by the water separator cavity;
the fluid condition comprises at least one of a temperature, a pressure, a flow rate, a humidity of the fluid; the posture comprises at least one of the position of the corresponding baffle in the set area and the radian of the cambered surface.
9. A fuel cell device, characterized in that it comprises a fuel cell gas-water separator according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120543536.3U CN215995923U (en) | 2021-03-16 | 2021-03-16 | Gas-water separator and fuel cell device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120543536.3U CN215995923U (en) | 2021-03-16 | 2021-03-16 | Gas-water separator and fuel cell device |
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| Publication Number | Publication Date |
|---|---|
| CN215995923U true CN215995923U (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120543536.3U Active CN215995923U (en) | 2021-03-16 | 2021-03-16 | Gas-water separator and fuel cell device |
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| Country | Link |
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| CN (1) | CN215995923U (en) |
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2021
- 2021-03-16 CN CN202120543536.3U patent/CN215995923U/en active Active
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