CN113782777A - Water separator for fuel cell and hydrogen inlet system - Google Patents
Water separator for fuel cell and hydrogen inlet system Download PDFInfo
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- CN113782777A CN113782777A CN202111331718.5A CN202111331718A CN113782777A CN 113782777 A CN113782777 A CN 113782777A CN 202111331718 A CN202111331718 A CN 202111331718A CN 113782777 A CN113782777 A CN 113782777A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
- H01M8/04164—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal by condensers, gas-liquid separators or filters
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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 invention relates to a water separator and a hydrogen inlet system for a fuel cell, wherein the water separator comprises a cavity, the cavity is provided with an air outlet, an exhaust port and an air inlet, the air outlet is arranged at the top of the cavity and is connected with an air inlet of an electric pile, a liquid outlet is arranged at the bottom of the cavity and is connected with a primary water separator, the air inlet is arranged in the middle of the cavity, the air inlet is provided with a jet pipe, the middle of the water separator is provided with a partition plate, the partition plate divides the cavity into an upper gas impact bin and a lower liquid collecting bin, and a filter material is arranged in the gas impact bin opposite to the air inlet. The hydrogen inlet system of the invention is characterized in that the water separator is additionally arranged at the hydrogen inlet of the galvanic pile. According to the invention, liquid water mixed in the reactor-entering hydrogen is separated through the two-stage water separator, so that water flooding at the reactor-entering end of the galvanic pile is avoided, the purging performance and the cold start performance are improved, and the method is low in cost, simple and easy to implement.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a secondary water separator and a hydrogen inlet system of a fuel cell.
Background
The fuel cell is a chemical device for directly converting chemical energy of fuel into electric energy, is the most promising power generation technology, can replace an engine to be applied to the fields of vehicles, power stations, power sources and the like, but has the problems of easy occurrence of flooding, dry film, low-temperature cold start adaptability and the like at present.
The hydrogen supply-hydrogen return system of the current fuel cell system mostly uses a combination scheme of a proportional valve and a hydrogen return pump, a combination scheme of a proportional valve ejector and a hydrogen return pump, a scheme of a proportional valve ejector and a hydrogen spray and hydrogen return pump, the schemes are that high-pressure hydrogen is reduced into low pressure to be blown into a galvanic pile, the reduced pressure can cause the temperature of the hydrogen to be lower than the ambient temperature, the temperature of the galvanic pile during operation is between 50 and 80 ℃, the galvanic pile inlet is filled with the hydrogen, condensed water can be formed due to large temperature difference, and the condensed water easily causes local flooding along with the entering of airflow into a flow channel. In addition, the wet and hot hydrogen gas which returns hydrogen is converged, although most of liquid water is separated by the water separator, hot hydrogen gas containing a large amount of gaseous water exists, and condensed water is generated when the hot hydrogen gas is converged with dry and cold hydrogen gas, so that local flooding is aggravated. Flooding will hinder the flow of fuel gas, leading to reaction starvation and other side reactions, accelerating the corrosion of carbon in the catalytic layer, and also causing local temperature hot spots; the condensed water can cause that the power-off purging is not dry, liquid water is stored in the electric pile continuously, and the freezing/melting is repeated under the freezing point environment, so that catalysts, membranes and the like in the electric pile are irreversibly damaged, and the performance and the service life of a fuel cell system are seriously influenced.
Therefore, there is a need in the art for a low cost hydrogen inlet system that avoids flooding of the stack.
Disclosure of Invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and to provide a secondary water separator for a fuel cell.
It is also an object of the present application to provide a hydrogen inlet system for a fuel cell.
In order to achieve the object of the present invention, the present application provides the following technical solutions.
In a first aspect, the application provides a water knockout drum for fuel cell, the water knockout drum includes the cavity, and the cavity is equipped with gas outlet, discharge port and air inlet, the gas outlet sets up at the cavity top, is connected with the galvanic pile air inlet, the discharge port sets up in the cavity bottom, is connected with the one-level water knockout drum, the air inlet sets up at the cavity middle part, the air inlet is equipped with the efflux pipe, the water knockout drum middle part is equipped with a baffle, the baffle separates the cavity into the gaseous storehouse of strikeing that is located the top and the collection liquid storehouse that is located the below, the air inlet is located to the face gaseous filter media that is equipped with in strikeing the storehouse. When gas with small liquid drops enters the gas impact bin from the jet pipe and collides with the filter material, the small liquid drops are condensed into large liquid drops in the process of continuously passing through the filter material and flow into the liquid collecting bin; most of the gas is discharged from the gas outlet, and a small part of the gas enters the liquid collecting bin. Due to the outlet position of the jet pipe, the air pressure at one side of the air impact bin is smaller than the air pressure in the liquid convergence bin, so that the air entering the liquid convergence bin returns to the air impact bin and is discharged from the air outlet, and the purpose of gas-liquid separation is achieved.
In one embodiment of the first aspect, the partition plate is provided with a backflow port, and the backflow port is located on the partition plate on the lower side of the jet nozzle inside the cavity and communicates the liquid collecting bin and the gas impact bin.
In one embodiment of the first aspect, the filter material is arched, and the convex surface of the filter material is located in the gas impact bin and opposite to the outlet at the tail end of the jet pipe; the filter material is connected with the top wall of the cavity body in a concave mode, and the bottom of the filter material is connected with the partition plate.
In one embodiment of the first aspect, the filter is a porous ceramic or an alternative of suitable porosity, in an arched lamellar structure.
In one embodiment of the first aspect, the cavity may open the upper wall to replace the filter.
In an embodiment of the first aspect, the diversion trench is located on an inner side wall of the cavity opposite to the air inlet, the plurality of thin trapezoidal trenches are vertically and downwardly formed and are directly communicated with the bottom of the liquid collecting bin, short bottom edges of the trapezoidal trenches are outside the inner side wall, and long bottom edges of the trapezoidal trenches are inside the inner side wall.
In one embodiment of the first aspect, the distal end of the drain line is provided with a drain valve.
In a second aspect, the present application also provides a hydrogen inlet system for a fuel cell, the stack of the fuel cell comprising a hydrogen inlet and a hydrogen outlet, the hydrogen inlet system comprises a hydrogen source unit, an ejector, a primary water separator and a secondary water separator, wherein the secondary water separator adopts the water separator, one inlet of the ejector is connected with the hydrogen source unit, the other inlet of the ejector is connected with the hydrogen outlet of the primary water separator, the outlet of the ejector is connected with the air inlet of the secondary water separator, the gas outlet of the secondary water separator is connected with the hydrogen inlet of the galvanic pile, the discharge port of the secondary water separator is sequentially connected with the drain valve and the primary water separator, the hydrogen outlet of the galvanic pile is connected with a primary water separator, the primary water separator is provided with a hydrogen discharge port and a water outlet, and the hydrogen discharge port and the water outlet are connected with a tail gas treatment unit. This application can reduce the liquid water that gets into the inside hydrogen of galvanic pile through increase a second grade water knockout drum between ejector and galvanic pile hydrogen entry to reduce the emergence of flooding.
In one embodiment of the second aspect, the hydrogen source unit includes a hydrogen source and a pressure regulating mechanism connected in sequence, and an outlet of the hydrogen source is provided with a pressure reducing valve.
In one embodiment of the second aspect, the pressure regulating mechanism includes an injection rail and an air exhaust, and the air exhaust is externally provided with a heating sheet.
In one embodiment of the second aspect, the primary water trap is provided with a secondary water trap inlet.
Compared with the prior art, the invention has the beneficial effects that:
(1) the water knockout drum of this application can effectively reduce the water logging, and simple structure is small and exquisite, and convenient to use can install in electric pile air inlet department as the elbow.
(2) The hydrogen inlet system is strong in function independence, low in coupling interference, easy to adapt to different types of electric pile systems and low in cost.
Drawings
Fig. 1 is a schematic structural diagram of a secondary water separator according to the present application.
FIG. 2 is a schematic diagram of the connection of the hydrogen inlet system of the present application.
In the drawing, 1 is a hydrogen source, 2 is a pressure reducing valve, 3 is an injection rail, 4 is a gas exhaust, 5 is an ejector, 6 is a secondary water separator, 7 is an electric pile, 8 is a drain valve, 9 is a primary water separator, 10 is a hydrogen exhaust valve, 11 is a drain valve of the primary water separator, 12 is a pile-out temperature sensor, 13 is a pile-out pressure sensor, 14 is a pile-in temperature sensor, 15 is a pile-in pressure sensor, 16 is a heating sheet, 17 is a safety valve, 601 is an air inlet, 602 is an air outlet, 603 is an exhaust port, 604 is a filter material, 605 is a partition plate, 606 is a return port, 607 is a guide groove, 608 is a cavity, a is a gas impact bin, and B is a liquid collecting bin.
Detailed Description
Unless otherwise defined, technical or scientific terms used herein in the specification and claims should have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. All numerical values recited herein as between the lowest value and the highest value are intended to mean all values between the lowest value and the highest value in increments of one unit when there is more than two units difference between the lowest value and the highest value.
While specific embodiments of the invention will be described below, it should be noted that in the course of the detailed description of these embodiments, in order to provide a concise and concise description, all features of an actual implementation may not be described in detail. Modifications and substitutions to the embodiments of the present invention may be made by those skilled in the art without departing from the spirit and scope of the present invention, and the resulting embodiments are within the scope of the present invention.
A water separator for fuel cell is composed of air inlet 601, air outlet 602, outlet 603, filter material 604, partition 605, reflux inlet 606 and guide channel 607.
The water separator is used as a secondary water separator and is connected between the ejector 5 and the hydrogen inlet of the electric pile 7, the discharge port 603 of the secondary water separator 6 is connected with a drain valve 8, the drain valve 8 is an electromagnetic valve, and the rear end of the drain valve 8 is connected with the inlet of the secondary water separator of the primary water separator 9 and is used for removing excessive liquid water trapped in the secondary water separator.
The filter material 604 is an arched porous thin-wall ceramic, has certain structural rigidity and filtering capacity for certain particle liquid water, and the cambered surface of the filter material 604 covers the jet fluid jet range and is used for baffling and permeating gas; absorb, gather or permeate liquid and gather into large liquid drops.
The guiding gutter 607 is a plurality of fine vertical downward trapezoidal guiding gutters, the short bottom of the trapezoid faces to the gas and the liquid drops penetrating from the filter material 604, and the liquid drops can flow down along the groove under the protection of the trapezoidal gutter 607 and under the action of gas flow and gravity, and are collected at the bottom of the liquid collecting bin B and flow into the liquid discharge pipeline.
The return port 606 is a hole in the partition 605 below the jet pipe of the air inlet 601, and is a channel formed by the gas passing through the filter material 604 and flowing to the gas surge bin a through the channel of the liquid collection bin B.
The jet pipe, the return port 606 and the air inlet end of the air impact bin A jointly play a role in ejecting air in the confluence bin B, and together with the filter material 604, the jet pipe, the return port 606 and the air inlet end of the air impact bin A form flow potential energy of one inlet and one outlet in the confluence bin B.
The gas outlet 602 of the secondary water separator 6 is matched with the hydrogen inlet access point of the galvanic pile 7 and is directly connected with the galvanic pile 7.
The hydrogen inlet system comprises a hydrogen source 1, a pressure reducing valve 2, an injection rail 3, a gas exhaust 4, a heating sheet 16, an ejector 5, a secondary water separator 6, a drain valve 8, a primary water separator 9, a hydrogen exhaust valve 10, a primary water separator drain valve 11, a reactor-entering temperature sensor 14, a reactor-entering pressure sensor 15, a safety valve 17, a reactor-exiting temperature sensor 12 and a reactor-exiting pressure sensor 13.
And the injection rail 3 adopts a mature multi-point injection gas injection rail and adjusts a proper gas source of the system of the galvanic pile 7.
And the gas exhaust 4 is structurally matched with the injection rail 3 and used for collecting the hydrogen of the injection rail 3 to meet the requirements of flow and pressure, and has a pressure stabilizing effect. The structure of the gas row 4 can be independently adjusted according to the characteristics of the galvanic pile 7; the gas row 4 is provided with a heating sheet 16 which is independently heated and insulated for adjusting the temperature of the dry hydrogen.
The ejector 5 is structurally matched with the injection rail 3, has a reflux ratio of 1.2-1.7 times, and is used for refluxing hydrogen in the electric pile 7. The structure of the jet device 5 can be independently adjusted according to the characteristics of the galvanic pile 7 so as to achieve the proper hydrogen return ratio.
The primary water separator 9 is additionally provided with an inlet on the basis of the original water separator and used for being connected with the discharge port 603 of the secondary water separator 6, excessive liquid water in the secondary water separator 6 can be discharged by controlling the drain valve 8, and when purging, the drain valve 8 is opened to blow the liquid water in the secondary water separator 6 into the primary water separator 9, so that hydrogen cannot be lost, and the utilization rate of fuel is improved.
The material of the secondary water separator 6 is carbon steel, and the filter material 604 is porous ceramic or equivalent substitute, such as a multilayer composite filter screen.
The principle of the two-stage water separator of the fuel cell is that jet gas flows upwards in a baffling and filtering effect of a filter material 604, a part of light gas is baffled to enter an electric pile 7, the other part of gas is flapped on the filter material 604 together with heavy liquid water under the inertia effect of high-speed flow, a part of liquid is intercepted by the filter material 604 and accumulated more, and falls into a confluence bin B in a downstream manner under the action of airflow impact force and gravity, a part of liquid is blown into a confluence bin B behind the filter material, and the other part of liquid hits against the bin wall and flows down along a trapezoidal diversion trench 607 to the bottom of the confluence bin B. And the gas with certain momentum is injected into the gas impact bin A from the return port under the action of jet flow pressure difference, enters the galvanic pile 7 along with the gas, and liquid water is remained at the bottom of the liquid collecting bin B and enters the liquid drainage pipeline. During testing, the liquid discharge pipeline is connected to the first-stage water separator 6 by adopting a transparent food-grade rubber pipe, a drain valve 8 is arranged at the far end of the discharge port 603, and the drainage period is obtained through testing observation; when in normal use, the connecting pipe is not required to be transparent, and the drain valve 8 is opened in due time according to the drainage frequency and the opening duration summarized by induction, and water is drained into the first-stage water segregator 9.
A hydrogen inlet system of a fuel cell adopts a hydrogen supply and return scheme of an injection rail 3 and an ejector 5, and liquid water of hydrogen in a hydrogen return section and a hydrogen stacking section is removed through a primary water separator 9 and a secondary water separator 6, so that the effect of preventing the front end of a galvanic pile 7 from being locally flooded due to the fact that liquid water enters from the inlet of the galvanic pile 7 is achieved. Through the control to drain valve 8, during normal work, can discharge the interior too much liquid water of second grade water knockout drum 6, during sweeping, open drain valve 8 and weather all liquid water in second grade water knockout drum 6, do not lose hydrogen, improve the utilization ratio of fuel.
Examples
The following will describe in detail the embodiments of the present invention, which are implemented on the premise of the technical solution of the present invention, and the detailed embodiments and the specific operation procedures are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
A water separator is structurally shown in figure 1 and comprises a cavity 608, wherein the cavity 608 is provided with an air outlet 602, an outlet 603 and an air inlet 601, the air outlet 602 is arranged at the top of the cavity 608 and connected with an air inlet of a galvanic pile 7, the outlet 603 is arranged at the bottom of the cavity 608 and connected with a primary water separator 9, the air inlet 601 is arranged in the middle of the cavity 608, the air inlet 601 is provided with a jet pipe, the middle of the water separator is provided with a partition plate 605, the partition plate 605 divides the cavity 608 into an air impact bin A located above and a liquid collecting bin B located below, and a filter material 604 is arranged in the air impact bin A opposite to the air inlet 601.
A hydrogen inlet system is structurally shown in figure 2 and comprises a hydrogen source unit, an ejector 5, a primary water separator 9 and a secondary water separator 6, wherein the secondary water separator 6 adopts the water separator, one inlet of the ejector 5 is connected with the hydrogen source unit, the other inlet of the ejector 5 is connected with a hydrogen outlet of the primary water separator 9, an outlet of the ejector 5 is connected with an air inlet 601 of the secondary water separator 6, an air outlet 602 of the secondary water separator 6 is connected with a hydrogen inlet of an electric pile 7, a pile-entering pressure sensor 15, a pile-entering temperature sensor 14 and a safety valve 17 are arranged at the front end of the hydrogen inlet, one outlet of the safety valve 17 is connected with a tail gas treatment unit, and the outlet can be opened only when pile-entering hydrogen pressure is too high. The outlet 603 of the secondary water separator 6 is connected to the primary water separator 9, and a drain valve 8 is provided in the connection line. The hydrogen outlet of the electric pile 7 is connected with the first-stage water separator 9, and a pile outlet temperature sensor 12 and a pile outlet pressure sensor 13 are arranged on the pipeline. The primary water separator 9 is provided with a hydrogen discharge port and a water discharge port, the hydrogen discharge port is provided with a hydrogen discharge valve 10, the water discharge port is provided with a water discharge valve 11 of the primary water separator, and the hydrogen discharge port and the water discharge port are connected with a tail gas treatment unit. The hydrogen source unit comprises a hydrogen source 1, an injection rail 3 and an air exhaust 4 which are connected in sequence, a pressure reducing valve 2 is arranged at the outlet of the hydrogen source 1, and a heating plate 16 is arranged outside the air exhaust 4.
The pressure of 35MPa hydrogen from the hydrogen source 1 was reduced to 150kPa by passing through the pressure reducing valve 2.
The proper hydrogen pressure and flow are obtained by adjusting the injection rail 3, and the hydrogen enters the gas bar 4 to be converged and stabilized to obtain the first target dry-cold hydrogen.
The moist heat hydrogen from the galvanic pile 7, which contains a large amount of liquid water, gaseous water and impurities, enters a primary water separator 9, and most of the liquid water is separated out to obtain a second target moist heat hydrogen.
The first target dry-cold hydrogen is used for ejecting second target wet-hot hydrogen through the ejector 5, a certain amount of condensed water can be generated at the confluence position of the ejector 5, and the condensed water enters the secondary water separator 6 along with jet gas. The jet fluid (gas with certain small liquid drops) impacts the filter material 604 from the gas inlet 601, and liquid water with certain particles is intercepted by the filter material, gathered and changed into large liquid drops, and is blown into the trapezoidal flow channel 607 to enter the liquid collecting bin B or directly blown into the liquid collecting bin B; a part of gas enters the liquid collecting bin B through the filter material 604, and is injected back to the gas impact bin A by the jet fluid from the return port 606 to form gas flow in the liquid collecting bin B; most of the gas (containing hydrogen and gaseous water) is deflected upward and separated, exiting through gas outlet 602, to obtain hydrogen with a third objective of removing liquid water, entering the stack 7. Liquid flows into the liquid discharge pipe under the action of gravity and the flowing direction of gas, the drain valve 8 is opened according to the amount of the liquid in the pipeline, and excessive water is discharged into the first-stage water separator 9.
The liquid water is discharged through a water discharge valve 11 of the primary water separator, and the hydrogen gas mixed with impurities is discharged through a hydrogen discharge valve 10 as required.
The part of a hydrogen blowing path under the lower electric blowing working condition is as follows: and opening a drain valve 8, drying the water in the secondary water separator 6, enabling the discharged water and the purged hydrogen to enter a primary water separator 9, and opening a drain valve 11 of the primary water separator to discharge the water.
The embodiments described above are intended to facilitate the understanding and appreciation of the application by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present application is not limited to the embodiments herein, and those skilled in the art who have the benefit of this disclosure will appreciate that many modifications and variations are possible within the scope of the present application without departing from the scope and spirit of the present application.
Claims (9)
1. The utility model provides a water knockout drum for fuel cell, its characterized in that, the water knockout drum includes cavity (608), and the cavity is equipped with gas outlet (602), discharge port (603) and air inlet (601), gas outlet (602) set up at cavity (608) top, discharge port (603) set up in cavity (608) bottom, air inlet (601) set up in cavity (608) middle part, the water knockout drum middle part is equipped with a baffle (605), baffle (605) separate cavity (608) into the gas that is located the top and strike storehouse (A) and the collection liquid storehouse (B) that is located the below, air inlet (601) are equipped with the jet pipe, just the end of jet pipe stretches into gas strikes storehouse (A) middle part, the end export of jet pipe is just being equipped with a filter media (604).
2. The water separator for a fuel cell according to claim 1, wherein the baffle plate (605) is provided with a return port (606), and the return port (606) is positioned on the baffle plate (605) at the lower side of the jet nozzle inside the cavity (608) and communicates the liquid collecting chamber (B) with the gas impact chamber (A).
3. The water separator for a fuel cell according to claim 1, wherein the filter material (604) is arched, and the convex surface of the filter material (604) is positioned in the gas surge bin (a) and is opposite to the outlet at the tail end of the jet pipe; the filter material (604) is concave and communicated with the liquid collecting bin (B), the top of the filter material (604) is connected with the top wall of the cavity (608), and the bottom of the filter material (604) is connected with the partition plate (605).
4. The water separator for a fuel cell according to claim 3, wherein said filter (604) is a rigid arched laminar structure.
5. The water separator for a fuel cell according to claim 3, wherein a flow guide groove (607) is arranged on the inner side of the wall of the opposite cavity of the filter material (604) of the cavity (608), and the flow guide groove (607) comprises a plurality of trapezoidal grooves which are directly communicated to the bottom of the liquid collecting bin (B).
6. The water separator for a fuel cell according to claim 1, wherein a drain valve (8) is provided at a distal end of the discharge port (603) line.
7. A hydrogen inlet system for a fuel cell, wherein a galvanic pile (7) of the fuel cell comprises a hydrogen inlet and a hydrogen outlet, and is characterized in that the hydrogen inlet system comprises a hydrogen source unit, an ejector (5), a primary water separator (9) and a secondary water separator (6), wherein the secondary water separator (6) adopts the water separator of any one of claims 1 to 6, one inlet of the ejector (5) is connected with the hydrogen source unit, the other inlet of the ejector (5) is connected with the hydrogen outlet of the primary water separator (9), the outlet of the ejector (5) is connected with the air inlet (601) of the secondary water separator (6), the air outlet (602) of the secondary water separator (6) is connected with the hydrogen inlet of the galvanic pile (7), and the exhaust outlet (603) of the secondary water separator (6) is connected with the primary water separator (9), and a drain valve (8) is arranged on the connecting pipeline, the hydrogen outlet of the galvanic pile (7) is connected with a first-level water separator (9), the first-level water separator (9) is provided with a hydrogen discharge port and a water outlet, and the hydrogen discharge port and the water outlet are connected with a tail gas treatment unit.
8. The hydrogen inlet system for a fuel cell as claimed in claim 7, wherein the hydrogen source unit comprises a hydrogen source (1) and a pressure regulating mechanism connected in series, and an outlet of the hydrogen source (1) is provided with a pressure reducing valve (2).
9. The hydrogen inlet system for fuel cells according to claim 8, wherein the pressure regulating mechanism comprises an injection rail (3) and a gas exhaust (4), and a heating sheet (16) is provided in the gas exhaust (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111331718.5A CN113782777B (en) | 2021-11-11 | 2021-11-11 | Water separator for fuel cell and hydrogen inlet system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111331718.5A CN113782777B (en) | 2021-11-11 | 2021-11-11 | Water separator for fuel cell and hydrogen inlet system |
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| CN113782777A true CN113782777A (en) | 2021-12-10 |
| CN113782777B CN113782777B (en) | 2022-02-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865012A (en) * | 2022-05-06 | 2022-08-05 | 国家电投集团氢能科技发展有限公司 | Gas-water separator and fuel cell hydrogen supply system |
| WO2024056723A3 (en) * | 2022-09-14 | 2024-05-02 | Robert Bosch Gmbh | Detection method for detecting a state of a fuel cell system |
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| CN104241667A (en) * | 2013-06-21 | 2014-12-24 | 福特全球技术公司 | Fuel cell system and centrifugal water separator for fuel cell system |
| CN110061266A (en) * | 2019-05-21 | 2019-07-26 | 武汉雄韬氢雄燃料电池科技有限公司 | A kind of hydrogen steam-water separation system applied to hydrogen fuel cell engine |
| CN113067016A (en) * | 2021-03-17 | 2021-07-02 | 一汽解放汽车有限公司 | Hydrogen side drainage system of fuel cell |
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2021
- 2021-11-11 CN CN202111331718.5A patent/CN113782777B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241667A (en) * | 2013-06-21 | 2014-12-24 | 福特全球技术公司 | Fuel cell system and centrifugal water separator for fuel cell system |
| CN110061266A (en) * | 2019-05-21 | 2019-07-26 | 武汉雄韬氢雄燃料电池科技有限公司 | A kind of hydrogen steam-water separation system applied to hydrogen fuel cell engine |
| CN113067016A (en) * | 2021-03-17 | 2021-07-02 | 一汽解放汽车有限公司 | Hydrogen side drainage system of fuel cell |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865012A (en) * | 2022-05-06 | 2022-08-05 | 国家电投集团氢能科技发展有限公司 | Gas-water separator and fuel cell hydrogen supply system |
| CN114865012B (en) * | 2022-05-06 | 2023-12-26 | 国家电投集团氢能科技发展有限公司 | Gas-water separator and fuel cell hydrogen supply system |
| WO2024056723A3 (en) * | 2022-09-14 | 2024-05-02 | Robert Bosch Gmbh | Detection method for detecting a state of a fuel cell system |
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| Publication number | Publication date |
|---|---|
| CN113782777B (en) | 2022-02-11 |
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Denomination of invention: A water separator and hydrogen inlet system for fuel cell Effective date of registration: 20220907 Granted publication date: 20220211 Pledgee: Agricultural Bank of China Limited by Share Ltd. Changxing County branch Pledgor: NEKSON POWER TECHNOLOGY Co.,Ltd. Registration number: Y2022980014683 |
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Date of cancellation: 20230823 Granted publication date: 20220211 Pledgee: Agricultural Bank of China Limited by Share Ltd. Changxing County branch Pledgor: NEKSON POWER TECHNOLOGY Co.,Ltd. Registration number: Y2022980014683 |