Emission-free closed-loop circulation hydrogen production and filling system

Abstract

The invention discloses an emission-free closed-loop cycle hydrogen production and filling system, and belongs to the technical field of hydrogen production and filling. The emission-free closed-loop circulation hydrogen production and filling system comprises a bottom plate, a water electrolysis mechanism and a hydrogen purification machine, the bottom end of the water electrolysis mechanism is connected with the top end of the bottom plate, an oxygen storage tank, a hydrogen storage tank, a conveying mechanism and a filling mechanism are installed at the top end of the bottom plate, and the bottom end of the hydrogen purification mechanism is connected with the top end of the bottom plate. The water electrolysis mechanism comprises an electrolysis box, supporting seats are installed at the four corners of the bottom end of the electrolysis box, the bottom ends of the supporting seats are fixedly connected with the top end of a bottom plate, a box cover is installed at the top end of the electrolysis box, a diaphragm quick-release mechanism is installed in the middle of the top end of the box cover, and water inlet valves are installed on the two sides of the top end of the box cover; the ion diaphragm can be effectively and rapidly disassembled and replaced, operation is convenient and fast, synchronous operation with two hands is not needed, and high practical value is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of hydrogen production and filling, and in particular to an emission-free closed-loop hydrogen production and filling system. Background Art

[0002] As the global demand for clean energy continues to grow, hydrogen has attracted widespread attention as a clean and efficient energy carrier. First, hydrogen combustion only produces water, without any pollutants or greenhouse gases, and is environmentally friendly. Second, hydrogen has a high energy density and can provide powerful power for a variety of applications. However, there are currently a series of problems in the production of hydrogen.

[0003] For example, a Chinese patent with publication number CN214830701U discloses a hydrogen production device using electrolytic hydrogen production, including a power supply, one side of the power supply is provided with an efficient hydrogen production mechanism; the efficient hydrogen production mechanism includes a cooling box, one side of the cooling box is fixedly provided with a circulation pipe, the outer side of the circulation pipe is fixedly provided with a circulation water pump, the top of the circulation water pump is provided with a refrigerator, the top of the inner wall of the cooling box is fixedly provided with a connecting column, the top of the connecting column is fixedly provided with a hydrogen production box, the top of the hydrogen production box is provided with a top plate, the top plate and the top of the power supply are both fixedly provided with a positive electrode terminal and a negative electrode terminal, a first connecting line is provided between the two positive electrode terminals, a second connecting line is provided between the two negative electrode terminals, the positive electrode terminal and the negative electrode terminal both penetrate the top plate and extend to the bottom of the top plate, a positive electrode sheet is fixedly provided at the bottom of the positive electrode terminal, a negative electrode sheet is fixedly provided at the bottom of the negative electrode terminal, and an ion diaphragm is provided between the positive electrode sheet and the negative electrode sheet; The technical solution recorded in this proposal facilitates the disassembly and replacement of the ion diaphragm by providing a disassembly mechanism. However, when using this solution, the ion diaphragm needs to be disassembled by pulling the push rod with one hand and lifting the pull ring with the other hand, which is inconvenient to operate and affects user use.

[0004] Therefore, in view of this, the existing structure and deficiencies are studied and improved, and an emission-free closed-loop hydrogen production and filling system is provided, in order to achieve a more practical purpose. Summary of the invention

[0005] The object of the present invention is to provide an emission-free closed-loop hydrogen production and filling system to solve the problem that in the existing hydrogen production device mentioned in the above background technology, when disassembling the ion diaphragm, one needs to pull the push rod with one hand and lift the pull ring with the other hand, which is inconvenient to operate and affects user use.

[0006] In view of the above problems, the technical solution proposed by the present invention is: A non-emission closed-loop hydrogen production and filling system comprises a bottom plate, a water electrolysis mechanism and a hydrogen purifier, wherein the bottom end of the water electrolysis mechanism is connected to the top end of the bottom plate, an oxygen storage tank, a hydrogen storage tank, a conveying mechanism and a filling mechanism are installed on the top end of the bottom plate, the bottom end of the hydrogen purification mechanism is connected to the top end of the bottom plate, the water electrolysis mechanism comprises an electrolysis box, support seats are installed at the four corners of the bottom end of the electrolysis box, the bottom end of the support seat is fixedly connected to the top end of the bottom plate, a box cover is installed at the top end of the electrolysis box, a diaphragm quick-release mechanism is installed at the middle of the top end of the box cover, water inlet valves are installed on both sides of the top end of the box cover, a water inlet interface is installed on the top end of the water inlet valve, a positive electrode sheet is installed on one side of the bottom end of the box cover, a negative electrode sheet is installed on the other side of the bottom end of the box cover, an oxygen outlet interface is installed on one side of the top end of the box cover, and a hydrogen outlet interface is installed on the other side of the top end of the box cover.

[0007] Furthermore, the diaphragm quick-release mechanism includes a fixing groove, the bottom end of the fixing groove is fixedly connected to the top end of the box cover, a cover plate is provided on the inner side of the fixing groove, a boss is installed at the bottom end of the cover plate, an ion diaphragm is installed at the bottom end of the boss, the bottom end of the ion diaphragm passes through the bottom end of the box cover, and the bottom end of the ion diaphragm extends to the inner bottom end of the electrolytic box, a first spring is installed at the four corners of the bottom end of the cover plate, the bottom end of the first spring is in contact with the top end of the cover plate, a pair of bayonet holes are opened on both sides of the cover plate, a pair of sockets are opened on both sides of the fixing groove, a plug rod is slidably connected to the inner side of the socket, and a pair of limiting rods are installed on adjacent sides of the plug rods, one end of the plug rod is plugged into the inner side of the bayonet, a connecting plate is installed at the other end of the plug rod, a second spring is installed on one side of the connecting plate, a fixing plate is installed at one end of the second spring, and the bottom end of the fixing plate is fixedly connected to the top end of the box cover.

[0008] Furthermore, a first handle is installed on the top of the cover plate, and a second handle is installed on one side of the limiting rod.

[0009] Furthermore, a sealing gasket is installed on the outer side of the bottom end of the boss, and the bottom end of the sealing gasket is in contact with the top end of the cover plate.

[0010] Furthermore, one end of the oxygen outlet interface is connected to a first connecting pipe, one end of the first connecting pipe is installed with a first valve, one end of the first valve is connected to the air inlet of the oxygen storage tank, and the air outlet of the oxygen storage tank is installed with an oxygen exhaust valve.

[0011] Furthermore, one end of the hydrogen outlet interface is connected to a second connecting pipe, one end of the second connecting pipe is connected to the input end of the hydrogen purifier, the conveying mechanism includes a first pump, the bottom end of the first pump is fixedly connected to the top of the bottom plate, the input end of the first pump is installed with a third connecting pipe, one end of the third connecting pipe is connected to the output end of the hydrogen purifier, the output end of the first pump is installed with a fourth connecting pipe, one end of the fourth connecting pipe is installed with a second valve, one end of the second valve is connected to the air inlet of the hydrogen storage tank, and the air outlet of the hydrogen storage tank is installed with a hydrogen exhaust valve.

[0012] Furthermore, the filling mechanism includes a second pump, the bottom end of the second pump is fixedly connected to the top end of the base plate, a fifth connecting pipe is installed at the input end of the second pump, one end of the fifth connecting pipe is connected to one end of the hydrogen exhaust valve, and a filling connecting pipe is installed at the output end of the second pump.

[0013] Furthermore, a control cabinet is installed on the top of the base plate, and a control panel is installed on one side of the control cabinet. The control panel is electrically connected to the first pump, the second pump, the positive electrode sheet, the negative electrode sheet and the hydrogen purification machine through wires.

[0014] In another aspect, the present invention provides a method for using an emission-free closed-loop hydrogen production and filling system, comprising the following steps: S1, equipment inspection: Check whether all parts of the system are firmly installed and tightly connected, and ensure that the water electrolysis mechanism, hydrogen purifier, oxygen storage tank, hydrogen storage tank, conveying mechanism, filling mechanism and control cabinet on the bottom plate are in normal condition. When the ion diaphragm needs to be replaced, pull the two second handles to make the first spring pop up the cover plate, then pull out the ion diaphragm through the first handle, replace the ion diaphragm, reset the cover plate, press the cover plate, and insert the plug into the bayonet; S2, operating the equipment: connect an external water inlet pipe to the water inlet valve, turn on the water electrolysis mechanism through the control panel, and the positive and negative electrodes in the water electrolysis mechanism start to work to electrolyze the water in the electrolysis box. The hydrogen and oxygen generated by the electrolysis are discharged through the hydrogen outlet interface and the oxygen outlet interface respectively; S3, oxygen storage: oxygen discharged from the oxygen outlet interface enters the oxygen storage tank through the first connecting pipe and the first valve for storage; S4, hydrogen purification: hydrogen discharged from the hydrogen outlet interface enters the hydrogen purifier through the second connecting pipe for purification to remove impurities, and the purified hydrogen is transported by the first pump of the transport mechanism through the third connecting pipe and the fourth connecting pipe to the hydrogen storage tank for storage; S5, hydrogen filling: when hydrogen filling is required, the second pump of the filling mechanism is turned on through the control panel, the second pump draws hydrogen from the hydrogen storage tank through the fifth connecting pipe, and then fills the hydrogen into the required equipment through the filling pipe at the output end.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the emission-free closed-loop circulation hydrogen production and filling system realizes the efficient production, purification, storage and filling of hydrogen through the coordinated work of the water electrolysis mechanism, the hydrogen purifier, the oxygen storage tank, the hydrogen storage tank, the conveying mechanism and the filling mechanism, forming a complete closed-loop circulation system, improving the resource utilization efficiency and reducing the impact on the environment. Through the setting of the diaphragm quick-release mechanism, the ion diaphragm can be effectively disassembled and replaced quickly without the need for two-handed synchronous operation. Through the setting of the diaphragm quick-release mechanism, when the ion diaphragm needs maintenance or replacement, When the cover plate is removed, the limit rod can be pulled to easily remove the cover plate and replace the ion diaphragm, which reduces the time and cost of equipment maintenance and improves the maintainability and reliability of the system. A second spring is installed on one side of the connecting plate to realize the automatic insertion of the plug rod into the bayonet. A first handle is installed on the top of the cover plate to facilitate the user to pull out the cover plate. A second handle is installed on one side of the limit rod to facilitate the user to pull the limit rod. A sealing gasket is installed on the outer side of the bottom end of the boss to ensure the installation sealing of the ion diaphragm and prevent gas leakage during electrolysis, thereby improving the safety and stability of the system and ensuring the hydrogen and oxygen The first connecting pipe, the first valve and the oxygen storage tank are provided to achieve storage and discharge of oxygen generated by electrolysis, so that oxygen can be safely stored in the oxygen storage tank and discharged when needed, which provides convenience for the subsequent use of oxygen. The first pump, the third connecting pipe, the fourth connecting pipe and the second valve are coordinated to achieve efficient transportation and storage of purified hydrogen, and hydrogen is transported from the hydrogen purifier to the hydrogen storage tank, ensuring a stable supply of hydrogen. At the same time, the second valve can effectively control the flow of hydrogen, thereby improving the safety of the system. The combination of the first pump, the fifth connecting pipe and the filling pipe allows the hydrogen to be easily filled, and the hydrogen in the hydrogen storage tank can be quickly and accurately filled into the corresponding equipment as needed, thereby improving the convenience of using hydrogen. A control panel is installed on one side of the control cabinet, so that the operator can conveniently monitor and adjust the working states of the first pump, the second pump, the positive electrode sheet, the negative electrode sheet and the hydrogen purifier, thereby improving the automation degree and operating efficiency of the system. The present invention can effectively realize the rapid disassembly and replacement of the ion diaphragm, and the operation is relatively convenient, without the need for synchronous operation of both hands, and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is one of the three-dimensional structural schematic diagrams disclosed in the embodiment of the present invention; Figure 2This is the second schematic diagram of the three-dimensional structure disclosed in the embodiment of the present invention; Figure 3 This is one of the disassembled three-dimensional structural schematic diagrams disclosed in an embodiment of the present invention; Figure 4 This is the second schematic diagram of the disassembled three-dimensional structure disclosed in the embodiment of the present invention; Figure 5 This is the third schematic diagram of the disassembled three-dimensional structure disclosed in the embodiment of the present invention; Figure 6 This is a block diagram of the method disclosed in an embodiment of the present invention.

[0017] In the figure: 100, bottom plate; 101, water electrolysis mechanism; 10101, electrolysis box; 10102, support seat; 10103, box cover; 10104, water inlet valve; 10105, water inlet interface; 10106, oxygen outlet interface; 10107, hydrogen outlet interface; 10108, fixing groove; 10109, cover plate; 10110, boss; 10111, ion diaphragm; 10112, bayonet; 10113, sealing gasket; 10114, first spring; 10115, first handle; 10116, plug rod; 10117, limit rod; 10118, second handle; 10119, connecting plate; 1 0120, second spring; 10121, fixing plate; 102, oxygen storage tank; 10201, oxygen exhaust valve; 103, hydrogen purifier; 104, conveying mechanism; 10401, first pump; 10402, third connecting pipe; 10403, fourth connecting pipe; 10404, second valve; 105, hydrogen storage tank; 10501, hydrogen exhaust valve; 106, filling mechanism; 10601, second pump; 10602, fifth connecting pipe; 10603, filling pipe; 107, first connecting pipe; 108, first valve; 109, second connecting pipe; 110, control cabinet; 11001, control panel. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-Figure 5The present invention provides a technical solution: a non-emission closed-loop hydrogen production and filling system, comprising a bottom plate 100, a water electrolysis mechanism 101 and a hydrogen purifier 103, the bottom end of the water electrolysis mechanism 101 is connected to the top of the bottom plate 100, the top of the bottom plate 100 is equipped with an oxygen storage tank 102, a hydrogen storage tank 105, a conveying mechanism 104 and a filling mechanism 106, the bottom end of the hydrogen purification mechanism 103 is connected to the top of the bottom plate 100, the water electrolysis mechanism 101 comprises an electrolysis box 10101, the four corners of the bottom end of the electrolysis box 10101 are equipped with support seats 10102, the bottom end of the support seat 10102 is fixedly connected to the top of the bottom plate 100, the top of the electrolysis box 10101 is equipped with a box cover 10103, the middle of the top end of the box cover 10103 is equipped with a diaphragm quick-release mechanism, and both sides of the top end of the box cover 10103 are equipped with water inlet valves Door 10104, a water inlet interface 10105 is installed on the top of the water inlet valve 10104, a positive electrode sheet is installed on one side of the bottom end of the box cover 10103, a negative electrode sheet is installed on the other side of the bottom end of the box cover 10103, an oxygen outlet interface 10106 is installed on one side of the top end of the box cover 10103, and a hydrogen outlet interface 10107 is installed on the other side of the top end of the box cover 10103. Through the coordinated work of the water electrolysis mechanism 101, the hydrogen purifier 103, the oxygen storage tank 102, the hydrogen storage tank 105, the conveying mechanism 104 and the filling mechanism 106, efficient production, purification, storage and filling of hydrogen are realized, forming a complete closed-loop circulation system, improving resource utilization efficiency, and reducing environmental impact. Through the setting of the diaphragm quick-release mechanism, the ion diaphragm 10111 can be effectively disassembled and replaced quickly without the need for two-handed synchronous operation.

[0020] In one embodiment of the present invention, further, the diaphragm quick release mechanism includes a fixing groove 10108, the bottom end of the fixing groove 10108 is fixedly connected to the top end of the box cover 10103, a cover plate 10109 is provided on the inner side of the fixing groove 10108, a boss 10110 is installed at the bottom end of the cover plate 10109, an ion diaphragm 10111 is installed at the bottom end of the boss 10110, and the bottom end of the ion diaphragm 10111 passes through the box cover 10103 The bottom end of the ion diaphragm 10111 extends to the inner bottom end of the electrolytic box 10101. The four corners of the bottom end of the cover plate 10109 are equipped with first springs 10114. The bottom end of the first spring 10114 is in contact with the top end of the cover plate 10109. A pair of bayonet holes 10112 are provided on both sides of the cover plate 10109. A pair of sockets are provided on both sides of the fixing groove 10108. The inner side of the socket is slidably connected with an insertion rod 10116. A limiting rod 10117 is installed on adjacent sides of a pair of insertion rods 10116, one end of the insertion rod 10116 is plugged into the inner side of the bayonet 10112, and a connecting plate 10119 is installed on the other end of the insertion rod 10116, and a second spring 10120 is installed on one side of the connecting plate 10119, and a fixing plate 10121 is installed on one end of the second spring 10120, and the bottom end of the fixing plate 10121 is fixedly connected to the top end of the box cover 10103. By setting the diaphragm quick-release mechanism, when the ion diaphragm 10111 needs maintenance or replacement, the limiting rod 10117 is pulled to easily remove the cover plate 10109 and replace the ion diaphragm 10111, thereby reducing the time and cost of equipment maintenance and improving the maintainability and reliability of the system. By installing the second spring 10120 on one side of the connecting plate 10119, the insertion rod 10116 can be automatically inserted into the bayonet 10112.

[0021] In one embodiment of the present invention, further, a first handle 10115 is installed on the top of the cover plate 10109, and a second handle 10118 is installed on one side of the limiting rod 10117. The first handle 10115 is installed on the top of the cover plate 10109 to facilitate the user to pull out the cover plate 10109, and the second handle 10118 is installed on one side of the limiting rod 10117 to facilitate the user to pull the limiting rod 10117.

[0022] In one embodiment of the present invention, a sealing gasket 10113 is further installed on the outer side of the bottom end of the boss 10110, and the bottom end of the sealing gasket 10113 is in contact with the top of the cover plate 10109. The sealing gasket 10113 is installed on the outer side of the bottom end of the boss 10110 to ensure the installation sealing of the ion diaphragm, prevent gas leakage during the electrolysis process, improve the safety and stability of the system, and ensure the separation effect of hydrogen and oxygen.

[0023] In one embodiment of the present invention, further, one end of the oxygen outlet interface 10106 is connected to the first connecting pipe 107, one end of the first connecting pipe 107 is installed with a first valve 108, one end of the first valve 108 is connected to the air inlet of the oxygen storage tank 102, and the air outlet of the oxygen storage tank 102 is installed with an oxygen exhaust valve 10201. Through the arrangement of the first connecting pipe 107, the first valve 108 and the oxygen storage tank 102, the storage and discharge of oxygen generated by electrolysis are realized, so that the oxygen can be safely stored in the oxygen storage tank 102 and discharged when needed, which provides convenience for the subsequent utilization of the oxygen.

[0024] In one embodiment of the present invention, further, one end of the hydrogen outlet interface 10107 is connected to the second connecting pipe 109, one end of the second connecting pipe 109 is connected to the input end of the hydrogen purifier 103, the conveying mechanism 104 includes a first pump 10401, the bottom end of the first pump 10401 is fixedly connected to the top of the bottom plate 100, the input end of the first pump 10401 is installed with a third connecting pipe 10402, one end of the third connecting pipe 10402 is connected to the output end of the hydrogen purifier 103, the output end of the first pump 10401 is installed with a fourth connecting pipe 10403, and the fourth connecting pipe 10404 is connected to the output end of the hydrogen purifier 103. A second valve 10404 is installed at one end of 403, and one end of the second valve 10404 is connected to the air inlet of the hydrogen storage tank 105. A hydrogen exhaust valve 10501 is installed at the air outlet of the hydrogen storage tank 105. Through the cooperation of the first pump 10401, the third connecting pipe 10402, the fourth connecting pipe 10403 and the second valve 10404, efficient transportation and storage of purified hydrogen is achieved, and hydrogen is transported from the hydrogen purifier 103 to the hydrogen storage tank, ensuring a stable supply of hydrogen. At the same time, the setting of the second valve 10404 can effectively control the flow of hydrogen and improve the safety of the system.

[0025] According to an embodiment of the present invention, further, the filling mechanism 106 includes a second pump 10601, the bottom end of the second pump 10601 is fixedly connected to the top of the base plate 100, the input end of the second pump 10601 is provided with a fifth connecting pipe 10602, one end of the fifth connecting pipe 10602 is connected to one end of the hydrogen exhaust valve 10501, and the output end of the second pump 10601 is provided with a filling connecting pipe 10603. Through the combination of the second pump 10601, the fifth connecting pipe 10602 and the filling connecting pipe 10603, hydrogen can be conveniently filled, and the hydrogen in the hydrogen storage tank 105 can be quickly and accurately filled into the corresponding equipment as needed, thereby improving the convenience of using hydrogen.

[0026] According to an embodiment of the present invention, a control cabinet 110 is installed on the top of the base plate 100, and a control panel 11001 is installed on one side of the control cabinet 110. The control panel 11001 is electrically connected to the first pump 10401, the second pump 10601, the positive electrode sheet, the negative electrode sheet and the hydrogen purifier 103 through wires. By installing the control panel 11001 on one side of the control cabinet 110, an operator can easily monitor and adjust the working status of the first pump 10401, the second pump 10601, the positive electrode sheet, the negative electrode sheet and the hydrogen purifier 103, thereby improving the automation degree and operation efficiency of the system.

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 6 The present invention provides a technical solution: a method for using a non-emission closed-loop hydrogen production and filling system, comprising the following steps: S1, equipment inspection: Check whether all parts of the system are firmly installed and tightly connected, and ensure that the water electrolysis mechanism 101, hydrogen purifier 103, oxygen storage tank 102, hydrogen storage tank 105, conveying mechanism 104, filling mechanism 106 and control cabinet 110 on the bottom plate 100 are in normal condition. When the ion membrane 10111 needs to be replaced, the first spring 10114 pops up the cover plate 10109 by pulling the two second handles 10118, and then the ion membrane 10111 is pulled out by the first handle 10115, and the ion membrane 10111 is replaced, and then the cover plate 10109 is reset, and the cover plate 10109 is pressed to insert the insertion rod 10116 into the bayonet 10112; S2, operating the equipment: connect an external water inlet pipe to the water inlet valve 10104, turn on the water electrolysis mechanism 101 through the control panel 11001, and the positive electrode sheet and the negative electrode sheet in the water electrolysis mechanism 101 start to work, electrolyzing the water in the electrolysis box, and the hydrogen and oxygen generated by the electrolysis are discharged through the hydrogen outlet interface 10107 and the oxygen outlet interface 10106 respectively; S3, oxygen storage: oxygen discharged from the oxygen outlet interface 10106 enters the oxygen storage tank 102 through the first connecting pipe 107 and the first valve 108 for storage; S4, hydrogen purification: hydrogen discharged from the hydrogen outlet interface 10107 enters the hydrogen purifier 103 through the second connecting pipe 109 for purification treatment to remove impurities, and the purified hydrogen is transported by the first pump 10401 of the transport mechanism 104 through the third connecting pipe 10402 and the fourth connecting pipe 10403 to the hydrogen storage tank 105 for storage; S5, hydrogen filling: when hydrogen filling is required, the second pump 10601 of the filling mechanism 106 is turned on through the control panel 11001, and the second pump 10601 draws hydrogen from the hydrogen storage tank 105 through the fifth connecting pipe 10602, and then fills the hydrogen into the required equipment through the filling pipe 10603 at the output end.

[0029] Specifically, the working principle of this emission-free closed-loop hydrogen production and filling system is as follows: when in use, through the coordinated work of the water electrolysis mechanism 101, the hydrogen purifier 103, the oxygen storage tank 102, the hydrogen storage tank 105, the conveying mechanism 104 and the filling mechanism 106, the efficient production, purification, storage and filling of hydrogen are realized, forming a complete closed-loop circulation system, improving the efficiency of resource utilization and reducing the impact on the environment. Through the setting of the diaphragm quick-release mechanism, the ion diaphragm 10111 can be effectively quickly disassembled and replaced without the need for simultaneous operation of both hands. Through the setting of the diaphragm quick-release mechanism, when the ion diaphragm 10111 needs maintenance or replacement, the limit rod 10117 can be pulled to easily remove the cover. The cover plate 10109 is provided with a second spring 10120 on one side of the connecting plate 10119, so that the insertion rod 10116 can be automatically inserted into the bayonet 10112. A first handle 10115 is provided on the top of the cover plate 10109, so that the user can pull out the cover plate 10109 conveniently. A second handle 10118 is provided on one side of the limit rod 10117, so that the user can pull the limit rod 10117 conveniently. A sealing gasket 10113 is provided on the outer side of the bottom end of the boss 10110, so that the installation sealing of the ion diaphragm is ensured, gas leakage during the electrolysis process is prevented, and the safety and stability of the system are improved. , ensuring the separation effect of hydrogen and oxygen. Through the arrangement of the first connecting pipe 107, the first valve 108 and the oxygen storage tank 102, the storage and discharge of oxygen generated by electrolysis are realized, so that the oxygen can be safely stored in the oxygen storage tank 102 and discharged when needed, which provides convenience for the subsequent use of oxygen. Through the cooperation of the first pump 10401, the third connecting pipe 10402, the fourth connecting pipe 10403 and the second valve 10404, the efficient transportation and storage of purified hydrogen is realized, and hydrogen is transported from the hydrogen purifier 103 to the hydrogen storage tank, ensuring a stable supply of hydrogen. At the same time, the arrangement of the second valve 10404 can effectively control the flow of hydrogen, thereby improving the safety of the system. Through the combination of the second pump 10601, the fifth connecting pipe 10602 and the filling pipe 10603, hydrogen can be conveniently filled, and the hydrogen in the hydrogen storage tank 105 can be quickly and accurately filled into the corresponding equipment as needed, thereby improving the convenience of using hydrogen. A control panel 11001 is installed on one side of the control cabinet 110, and the operator can conveniently monitor and adjust the working status of the first pump 10401, the second pump 10601, the positive electrode sheet, the negative electrode sheet and the hydrogen purifier 103, thereby improving the automation degree and operation efficiency of the system. The present invention can effectively realize the rapid disassembly and replacement of the ion diaphragm, and the operation is relatively convenient, without the need for synchronous operation of both hands, and has high practical value.

Claims

1. A non-emission closed-loop hydrogen production and filling system, characterized in that: The invention comprises a bottom plate (100), a water electrolysis mechanism (101) and a hydrogen purifier (103), wherein the bottom end of the water electrolysis mechanism (101) is connected to the top end of the bottom plate (100), the top end of the bottom plate (100) is equipped with an oxygen storage tank (102), a hydrogen storage tank (105), a conveying mechanism (104) and a filling mechanism (106), the bottom end of the hydrogen purifying mechanism (103) is connected to the top end of the bottom plate (100), and the water electrolysis mechanism (101) comprises an electrolysis box (10101), and support seats (10102) are installed at the four corners of the bottom end of the electrolysis box (10101), and the bottom end of the support seat (10102) and the top end of the bottom plate (100) are fixed. The electrolytic box (10101) is connected, a box cover (10103) is installed on the top of the box cover (10103), a diaphragm quick-release mechanism is installed in the middle of the top of the box cover (10103), water inlet valves (10104) are installed on both sides of the top of the box cover (10103), and a water inlet interface (10105) is installed on the top of the water inlet valve (10104), a positive electrode sheet is installed on one side of the bottom of the box cover (10103), a negative electrode sheet is installed on the other side of the bottom of the box cover (10103), an oxygen outlet interface (10106) is installed on one side of the top of the box cover (10103), and a hydrogen outlet interface (10107) is installed on the other side of the top of the box cover (10103).

2. The emission-free closed-loop hydrogen production and filling system according to claim 1, characterized in that: The diaphragm quick-release mechanism comprises a fixing groove (10108), the bottom end of the fixing groove (10108) is fixedly connected to the top end of the box cover (10103), a cover plate (10109) is provided on the inner side of the fixing groove (10108), a boss (10110) is installed at the bottom end of the cover plate (10109), an ion diaphragm (10111) is installed at the bottom end of the boss (10110), the bottom end of the ion diaphragm (10111) passes through the bottom end of the box cover (10103), the bottom end of the ion diaphragm (10111) extends to the inner bottom end of the electrolytic box (10101), and first springs (10114) are installed at the four corners of the bottom end of the cover plate (10109), the bottom end of the first spring (10114) and the top end of the cover plate (10109) are connected to each other. The ends are in contact with each other, a pair of bayonet holes (10112) are provided on both sides of the cover plate (10109), a pair of sockets are provided on both sides of the fixing groove (10108), an insertion rod (10116) is slidably connected to the inner side of the socket, and a limiting rod (10117) is installed on adjacent sides of a pair of the insertion rods (10116), one end of the insertion rod (10116) is plugged into the inner side of the bayonet hole (10112), and a connecting plate (10119) is installed on the other end of the insertion rod (10116), a second spring (10120) is installed on one side of the connecting plate (10119), and a fixing plate (10121) is installed on one end of the second spring (10120), and the bottom end of the fixing plate (10121) is fixedly connected to the top end of the box cover (10103).

3. The emission-free closed-loop hydrogen production and filling system according to claim 2, characterized in that: A first handle (10115) is installed at the top of the cover plate (10109), and a second handle (10118) is installed at one side of the limiting rod (10117).

4. The emission-free closed-loop hydrogen production and filling system according to claim 3, characterized in that: A sealing gasket (10113) is installed on the outer side of the bottom end of the boss (10110), and the bottom end of the sealing gasket (10113) is in contact with the top end of the cover plate (10109).

5. The emission-free closed-loop hydrogen production and filling system according to claim 4, characterized in that: One end of the oxygen outlet interface (10106) is connected to a first connecting pipe (107), one end of the first connecting pipe (107) is installed with a first valve (108), one end of the first valve (108) is connected to the air inlet of the oxygen storage tank (102), and the air outlet of the oxygen storage tank (102) is installed with an oxygen exhaust valve (10201).

6. The emission-free closed-loop hydrogen production and filling system according to claim 5, characterized in that: One end of the hydrogen outlet interface (10107) is connected to a second connecting pipe (109), one end of the second connecting pipe (109) is connected to the input end of the hydrogen purifier (103), the conveying mechanism (104) comprises a first pump (10401), the bottom end of the first pump (10401) is fixedly connected to the top end of the bottom plate (100), the input end of the first pump (10401) is installed with a third connecting pipe (10402), the third connecting pipe (10403) is connected to the input end of the hydrogen purifier (103), and the conveying mechanism (104) comprises a first pump (10401), the bottom end of the first pump (10401) is fixedly connected to the top end of the bottom plate (100), and the input end of the first pump (10401) is installed with a third connecting pipe (10402). One end of the connecting pipe (10402) is connected to the output end of the hydrogen purifier (103); a fourth connecting pipe (10403) is installed at the output end of the first pump (10401); a second valve (10404) is installed at one end of the fourth connecting pipe (10403); one end of the second valve (10404) is connected to the air inlet of the hydrogen storage tank (105); and a hydrogen exhaust valve (10501) is installed at the air outlet of the hydrogen storage tank (105).

7. The emission-free closed-loop hydrogen production and filling system according to claim 6, characterized in that: The filling mechanism (106) comprises a second pump (10601), the bottom end of the second pump (10601) is fixedly connected to the top end of the base plate (100), a fifth connecting pipe (10602) is installed at the input end of the second pump (10601), one end of the fifth connecting pipe (10602) is connected to one end of the hydrogen exhaust valve (10501), and a filling connecting pipe (10603) is installed at the output end of the second pump (10601).

8. The emission-free closed-loop hydrogen production and filling system according to claim 7, characterized in that: A control cabinet (110) is installed on the top of the base plate (100), and a control panel (11001) is installed on one side of the control cabinet (110). The control panel (11001) is electrically connected to the first pump (10401), the second pump (10601), the positive electrode sheet, the negative electrode sheet, and the hydrogen purifier (103) through wires.

9. A method for using an emission-free closed-loop hydrogen production and filling system, characterized in that: The emission-free closed-loop hydrogen production and filling system as claimed in claim 8 comprises the following steps: S1, equipment inspection: check whether all components of the system are firmly installed and tightly connected, and ensure that the water electrolysis mechanism (101), hydrogen purification machine (103), oxygen storage tank (102), hydrogen storage tank (105), conveying mechanism (104), filling mechanism (106) and control cabinet (110) on the bottom plate (100) are in normal condition. When the ion diaphragm (10111) needs to be replaced, the two second handles (10118) are pulled to make the first spring (10114) pop up the cover plate (10109), and then the ion diaphragm (10111) is pulled out by the first handle (10115), and the ion diaphragm (10111) is replaced, and then the cover plate (10109) is reset, and the cover plate (10109) is pressed to insert the insertion rod (10116) into the bayonet (10112); S2, operating the equipment: an external water inlet pipe is connected to the water inlet valve (10104), and the water electrolysis mechanism (101) is turned on through the control panel (11001), so that the positive electrode sheet and the negative electrode sheet in the water electrolysis mechanism (101) start to work, and the water in the electrolysis box is electrolyzed. The hydrogen and oxygen generated by the electrolysis are discharged through the hydrogen outlet interface (10107) and the oxygen outlet interface (10106), respectively; S3, oxygen storage: oxygen discharged from the oxygen outlet interface (10106) enters the oxygen storage tank (102) through the first connecting pipe (107) and the first valve (108) for storage; S4, hydrogen purification: the hydrogen discharged from the hydrogen outlet interface (10107) enters the hydrogen purifier (103) through the second connecting pipe (109) for purification to remove impurities, and the purified hydrogen is transported by the first pump (10401) of the transport mechanism (104) through the third connecting pipe (10402) and the fourth connecting pipe (10403) to the hydrogen storage tank (105) for storage; S5, hydrogen filling: when hydrogen filling is required, the second pump (10601) of the filling mechanism (106) is turned on through the control panel (11001), and the second pump (10601) draws hydrogen from the hydrogen storage tank (105) through the fifth connecting pipe (10602), and then fills the hydrogen into the required equipment through the filling pipe (10603) at the output end.

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