Horizontal gas-liquid separation device of PEM hydrogen production equipment

By designing intermediate air pipes and cleaning components in the horizontal gas-liquid separation device of PEM hydrogen production equipment, the problem of incomplete condensation is solved, and more efficient gas-liquid separation is achieved, ensuring the cleanliness of hydrogen.

CN119499827APending Publication Date: 2025-02-25SUZHOU SUHYDROGEN PROD EQUIP CO LTD
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Patent Information

Application Number
CN202411552381.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-02-25

AI Technical Summary

Technical Problem

During the separation process of the existing horizontal gas-liquid separation device of PEM hydrogen production equipment, due to the limited condensation time, the water vapor is not condensed thoroughly, and some water vapor flows out with the hydrogen, making the separation effect poor.

Method used

A horizontal gas-liquid separation device including a cylinder, a deflector, an inlet pipe, a return pipe and an outlet pipe is designed. The combination of the intermediate pipe and the cleaning assembly is used to increase the heat exchange area between the gas and the condensate, and the scale residue is reduced by moving the up and down of the cleaning assembly, thereby improving the condensation efficiency.

Benefits of technology

By increasing the heat exchange rate and reducing scale residue, more thorough water vapor condensation is achieved, the gas-liquid separation effect is improved, and the cleanliness of hydrogen is ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of gas-liquid separation, and discloses a horizontal gas-liquid separation device of PEM hydrogen production equipment, the horizontal gas-liquid separation device comprises a cylinder body, a flow guide pipe, an inlet pipe, a return pipe and a gas outlet pipe, a blocking frame is fixedly arranged in the cylinder body, and a middle gas pipe is fixedly sleeved on the front surface of the blocking frame. Through the cooperation of the control assembly, the middle gas pipe and the cleaning assembly, in the separation process, on one hand, input mixed gas is guided to be dispersed into different thin-wall auxiliary gas pipes, the heat exchange area between the input mixed gas in the middle gas pipe in unit time and outside condensate water is increased, and the heat exchange rate is greatly increased; and on the other hand, the cleaning assembly moves up and down to synchronously clean the multiple sets of auxiliary gas pipes and the main gas pipe, scale residues are reduced, the long-acting cooling condensation effect is maintained, and therefore the gas-liquid separation effect is improved.
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Description

Technical Field

[0001] The invention belongs to the technical field of gas-liquid separation, and in particular relates to a horizontal gas-liquid separation device for a PEM hydrogen production device. Background Art

[0002] The horizontal gas-liquid separator of PEM (proton exchange membrane) hydrogen production equipment is a key component used to separate hydrogen from other gases and liquids. In the PEM hydrogen production process, water is electrolyzed to generate hydrogen and oxygen, and the gas-liquid separator is mainly used to separate these generated gases from unreacted water.

[0003] In the horizontal gas-liquid separation device of the PEM hydrogen production equipment in the prior art, during use, a hydrogen buffer mixed with water vapor is usually input into a gas-liquid separation cylinder, and the water vapor is condensed and settled with the condensation treatment of cooling water to separate the clean hydrogen. However, in the actual separation and ventilation process, since the condensation time of the mixed gas introduced in the separation cylinder is limited, the condensation rate of the water vapor in the mixed gas is reduced, the actual condensation is not thorough enough, and part of the water vapor still flows out with the hydrogen, resulting in poor separation effect. Summary of the invention

[0004] The object of the present invention is to provide a horizontal gas-liquid separation device for a PEM hydrogen production equipment to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a horizontal gas-liquid separation device of a PEM hydrogen production equipment, comprising a cylinder, a guide pipe, an inlet pipe, a reflux pipe and an outlet pipe, a baffle frame is fixedly provided inside the cylinder, an intermediate gas pipe is fixedly sleeved on the front of the baffle frame, the guide pipe inputs the mixed gas into the condensate in the cylinder through the intermediate gas pipe, a cleaning component is slidably sleeved in the intermediate gas pipe, a control component is fixedly provided inside the cylinder, and the control component controls the cleaning component to move up and down along the intermediate gas pipe, The intermediate air pipe includes a main air pipe, an intermediate plug and an auxiliary air pipe. The auxiliary air pipe is distributed around the outer surface of the main air pipe. The top surface of the intermediate plug is provided with air holes and is fixedly sleeved in the main air pipe. The upper and lower ends of the auxiliary air pipe are respectively located on the upper and lower sides of the intermediate plug and are both connected to the main air pipe.

[0006] Preferably, the guide pipe is fixedly sleeved on the right end of the cylinder, the inner end of the guide pipe faces the baffle frame, the inlet pipe is fixedly sleeved on the left end of the cylinder, the return pipe is fixedly sleeved on the top of the cylinder, the bottom end of the return pipe extends to the interior of the cylinder, and the outlet pipe is fixedly sleeved on the top of the cylinder.

[0007] Preferably, the cleaning assembly includes a No. 1 ring, a No. 2 ring, an intermediate rod, a threaded sleeve and a support plate, the No. 2 ring is movably sleeved on the outer surface of the auxiliary air pipe, the No. 1 ring is movably sleeved on the outer surface of the main air pipe, the intermediate rod is fixedly connected between the No. 1 ring and the No. 2 ring, one end of the support plate is fixedly connected to the threaded sleeve, and the other end is fixedly connected to the No. 1 ring.

[0008] Preferably, the control component includes a control motor, a threaded shaft and a bottom sleeve, the control motor is fixed to the top of the cylinder through a motor seat, the threaded shaft is rotatably sleeved inside the cylinder and fixedly connected to the output shaft of the control motor, the outer surface of the cylinder is fixedly sleeved with a sealing sleeve, the sealing sleeve is sleeved on the outer surface of the threaded shaft, the bottom sleeve is fixedly connected to the bottom of the inner cavity of the cylinder, and the bottom sleeve is sleeved with the bottom of the threaded shaft.

[0009] Preferably, the threaded shaft is threadably sleeved with the threaded sleeve, and the blade is fixedly sleeved on the outer surface of the threaded shaft and is located below the main air pipe.

[0010] Preferably, a sealed storage component is fixedly provided on the top of the cylinder, and a switchable processing component is rotatably provided inside the sealed storage component.

[0011] Preferably, the sealed storage assembly includes an upper plate, a lower plate, a fixed rod, an arc-shaped groove, a through hole and a limit ring, the fixed rod is fixedly connected to the top of the cylinder, the upper plate and the lower plate are fixedly sleeved on the outer surface of the fixed rod from top to bottom, the through hole is opened on the top of the lower plate, the arc-shaped groove is opened on the top surface of the upper plate, the arc-shaped groove is located directly above the through hole, and the limit ring is fixedly sleeved on the outer surface of the fixed rod.

[0012] Preferably, the switchable processing assembly includes a mounting plate, a sleeve, an adsorption ring and a bottom hole, the mounting plate is rotatably sleeved on the outer surface of the fixed rod, the sleeve is fixedly sleeved inside the mounting plate, the adsorption ring is placed in the sleeve, the bottom hole is opened at the bottom of the sleeve, and the mounting plate is located between the upper plate and the limit ring.

[0013] Preferably, the air outlet pipe is communicated with a through hole, and the through hole is located on the rotation path of the bottom hole.

[0014] The beneficial effects of the present invention are as follows: 1. The present invention utilizes the coordinated effects of the control component, the intermediate air pipe and the cleaning component. During the separation process, on the one hand, the input mixed gas is guided to be dispersed into different thin-walled auxiliary air pipes, thereby increasing the heat exchange area between the input mixed gas in the intermediate air pipe and the external condensed water per unit time, greatly improving the heat exchange rate, quickly reducing the steam temperature, realizing condensation processing, and improving the gas-liquid separation effect. On the other hand, the cleaning component is moved up and down to synchronously clean multiple groups of auxiliary air pipes and the main air pipe, thereby reducing scale residue and maintaining a long-term cooling and condensation effect, thereby improving the gas-liquid separation effect.

[0015] 2. The present invention utilizes the rotation control of the control component again to synchronously drive the blades to repeatedly rotate forward and reverse during the rotation process, and continuously stir the condensed water inside the cylinder, especially in conjunction with the stirring effect at the air outlet, to improve the mixed contact effect of the discharged gas and the condensed water, further improve the subsequent condensation efficiency, and make the condensed water at the middle air pipe evenly distributed, maintain uniform and effective condenser pipe processing, and comprehensively improve the gas-liquid separation effect.

[0016] 3. The present invention forms a secondary treatment of exhaust gas at the outlet pipe by utilizing the coordinated use of a switching treatment component and a sealed storage component, performs secondary adsorption treatment on the gas discharged after separation, further absorbs residual water vapor, and achieves a more sufficient gas-liquid separation effect. At the same time, the rotation switching method can quickly replace the failed adsorption ring, complete the replacement process, maintain long-term and stable adsorption treatment, and the adsorption ring to be used is sealed between the upper plate and the lower plate to achieve effective protection of the adsorption ring to be used, and the gas-liquid separation quality is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a cross-sectional schematic diagram of the present invention; Figure 3 It is a schematic diagram of the installation of the intermediate air pipe and the cleaning assembly of the present invention; Figure 4 is a cross-sectional schematic diagram of the intermediate air pipe of the present invention; Figure 5 It is a schematic diagram of the installation of the control component and the cleaning component of the present invention; Figure 6 It is an exploded schematic diagram of the sealed storage component and the switchable processing component of the present invention; Figure 7 It is a cross-sectional schematic diagram of the switchable processing assembly of the present invention.

[0018] In the figure: 1. Cylinder; 2. Guide pipe; 3. Inlet pipe; 4. Return pipe; 5. Exit pipe; 6. Baffle frame; 7. Intermediate air pipe; 71. Main air pipe; 72. Intermediate plug; 73. Auxiliary air pipe; 8. Control component; 81. Control motor; 82. Threaded shaft; 83. Bottom sleeve; 9. Cleaning component; 91. Ring No. 1; 92. Ring No. 2; 93. Intermediate rod; 94. Threaded sleeve; 95. Support plate; 10. Blade; 11. Sealed storage component; 111. Upper plate; 112. Lower plate; 113. Fixed rod; 114. Arc groove; 115. Through hole; 116. Limiting ring; 12. Switching processing component; 121. Mounting plate; 122. Sleeve; 123. Adsorption ring; 124. Bottom hole. DETAILED DESCRIPTION

[0019] 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.

[0020] like Figures 1 to 7 As shown, the embodiment of the present invention provides a horizontal gas-liquid separation device of a PEM hydrogen production equipment, including a cylinder 1, a guide pipe 2, an inlet pipe 3, a return pipe 4 and an outlet pipe 5. A baffle frame 6 is fixedly provided inside the cylinder 1, and an intermediate gas pipe 7 is fixedly sleeved on the front of the baffle frame 6. The guide pipe 2 inputs the mixed gas into the condensate in the cylinder 1 through the intermediate gas pipe 7. A cleaning component 9 is slidably sleeved in the intermediate gas pipe 7. A control component 8 is fixedly provided inside the cylinder 1. The control component 8 controls the cleaning component 9 to move up and down along the intermediate gas pipe 7. The intermediate air pipe 7 includes a main air pipe 71, an intermediate plug 72 and an auxiliary air pipe 73. The auxiliary air pipe 73 is distributed around the outer surface of the main air pipe 71. The top surface of the intermediate plug 72 is provided with air holes and is fixedly sleeved in the main air pipe 71. The upper and lower ends of the auxiliary air pipe 73 are respectively located on the upper and lower sides of the intermediate plug 72, and are both connected to the main air pipe 71.

[0021] Embodiment 1: During separation, the flow guide pipe 2 inputs hydrogen mixed with water vapor into the baffle 6 of the cylinder 1, and the mixed gas is input into the connected intermediate gas pipe 7, part of the gas is passed into the auxiliary gas pipe 73, and part of the gas is urgently conducted downward through the air hole in the intermediate plug 72, and at the same time, the external condensed water is input into the cylinder 1 through the inlet pipe 3 and immersed in the outside of the auxiliary gas pipe 73, the hot gas in the intermediate gas pipe 7 is rapidly cooled, the steam is condensed, and the hydrogen is conducted into the condensed water. The continuously input condensed water is conducted upward through the reflux pipe 4 after heat exchange, and the classified hydrogen is transported outward through the outlet pipe 5. When the water level When overflowing the auxiliary air pipe 73, the condensed water bypasses the baffle to the other side for storage, and during the separation process, the control component 8 is started to control the forward and reverse rotation of the gap of the control motor 81. As the control motor 81 rotates forward, the threaded sleeve cleaning component 9 is driven to move downward through the threaded shaft 82, so that the No. 1 ring 91 and the No. 2 ring 92 move downward synchronously, and the auxiliary air pipe 73 and the main air pipe 71 are frictionally cleaned to complete the scale cleaning. When flipped, the cleaning component 9 is driven to move up and reset, and the sleeved blades 10 are driven to rotate during the forward and reverse rotation processes. The blades 10 stir in the condensed water and stir along the outlet end of the middle air pipe 7.

[0022] Firstly, by utilizing the coordinated effects of the control component 8, the intermediate air pipe 7 and the cleaning component 9, during the separation process, on the one hand, the input mixed gas is guided to be dispersed into different thin-walled auxiliary air pipes 73, thereby increasing the heat exchange area between the input mixed gas in the intermediate air pipe 7 and the external condensed water per unit time, greatly improving the heat exchange rate, quickly reducing the steam temperature, realizing condensation processing, and improving the gas-liquid separation effect; on the other hand, by utilizing the up and down movement of the cleaning component 9, multiple groups of auxiliary air pipes 73 and the main air pipe 71 are cleaned synchronously, reducing scale residue and maintaining a long-term cooling and condensation effect, thereby improving the gas-liquid separation effect.

[0023] In addition, by utilizing the rotation control of the control component 8 again, the blades 10 are synchronously driven to repeatedly rotate forward and reverse during the rotation process, and the condensed water inside the cylinder 1 is continuously stirred, especially in conjunction with the stirring effect at the air outlet, thereby improving the mixed contact effect between the discharged gas and the condensed water, further improving the subsequent condensation efficiency, and making the condensed water evenly distributed at the middle air pipe 7, maintaining uniform and effective condenser pipe processing, and comprehensively improving the gas-liquid separation effect.

[0024] Among them, the guide pipe 2 is fixedly sleeved on the right end of the cylinder 1, the inner end of the guide pipe 2 faces the baffle frame 6, the inlet pipe 3 is fixedly sleeved on the left end of the cylinder 1, the return pipe 4 is fixedly sleeved on the top of the cylinder 1, the bottom end of the return pipe 4 extends to the interior of the cylinder 1, and the outlet pipe 5 is fixedly sleeved on the top of the cylinder 1.

[0025] A sealed space is formed at the outlet end of the guide pipe 2 by using a baffle 6, and the mixed gas is guided to be input into the intermediate gas pipe 7, the inlet pipe 3 provides condensed water, the reflux pipe 4 refluxes the condensed water, and the outlet pipe 5 discharges the separated hydrogen.

[0026] Among them, the cleaning assembly 9 includes a No. 1 ring 91, a No. 2 ring 92, an intermediate rod 93, a threaded sleeve 94 and a support plate 95. The No. 2 ring 92 is movably sleeved on the outer surface of the auxiliary air pipe 73, the No. 1 ring 91 is movably sleeved on the outer surface of the main air pipe 71, the intermediate rod 93 is fixedly connected between the No. 1 ring 91 and the No. 2 ring 92, one end of the support plate 95 is fixedly connected to the threaded sleeve 94, and the other end is fixedly connected to the No. 1 ring 91.

[0027] The cleaning component 9 cleans the outer side surfaces of the auxiliary air pipe 73 and the main air pipe 71 by moving up and down, and cleans the scale formed on the outer wall under the large temperature difference heat exchange.

[0028] Among them, the control component 8 includes a control motor 81, a threaded shaft 82 and a bottom sleeve 83. The control motor 81 is fixed to the top of the cylinder 1 through a motor seat. The threaded shaft 82 is rotatably sleeved inside the cylinder 1 and fixedly connected to the output shaft of the control motor 81. A sealing sleeve is fixedly sleeved on the outer surface of the cylinder 1. The sealing sleeve is sleeved on the outer surface of the threaded shaft 82. The bottom sleeve 83 is fixedly connected to the bottom of the inner cavity of the cylinder 1, and the bottom sleeve 83 is sleeved with the bottom of the threaded shaft 82.

[0029] The control assembly 8 realizes rotation control, cooperates with the rotation of the threaded shaft 82, and the threaded sleeve connection with the threaded sleeve 94, to realize up and down movement control.

[0030] The threaded shaft 82 is threadably sleeved with the threaded sleeve 94 , and the blade 10 is fixedly sleeved on the outer surface of the threaded shaft 82 and is located below the main air pipe 71 .

[0031] By utilizing the rotation of the blades 10, disturbance of the condensed water is achieved, thereby providing uniform heat absorption of the condensed water in the heat exchange zone.

[0032] Among them, a sealed storage component 11 is fixedly provided on the top of the cylinder 1, and a switchable processing component 12 is rotatably provided inside the sealed storage component 11. The sealed storage component 11 includes an upper plate 111, a lower plate 112, a fixed rod 113, an arc groove 114, a through hole 115 and a limiting ring 116. The fixed rod 113 is fixedly connected to the top of the cylinder 1, and the upper plate 111 and the lower plate 112 are fixedly sleeved on the outer surface of the fixed rod 113 from top to bottom. The through hole 115 is opened on the top of the lower plate 112, and the arc groove 114 is opened on the top surface of the upper plate 111. The arc groove 114 is located at the positive side of the through hole 115. At the top, the limiting ring 116 is fixedly sleeved on the outer surface of the fixing rod 113, and the switchable processing assembly 12 includes a mounting plate 121, a sleeve 122, an adsorption ring 123 and a bottom hole 124. The mounting plate 121 is rotatably sleeved on the outer surface of the fixing rod 113, the sleeve 122 is fixedly sleeved inside the mounting plate 121, the adsorption ring 123 is placed in the sleeve 122, and the bottom hole 124 is opened at the bottom of the sleeve 122. The mounting plate 121 is located between the upper plate 111 and the limiting ring 116, and the air outlet pipe 5 is connected to the through hole 115, and the through hole 115 is located on the rotation path of the bottom hole 124.

[0033] The switchable processing component 12 is used to switch different surrounding sleeves 122, thereby switching different adsorption rings 123 for exhaust adsorption. The arc groove 114 facilitates the removal and replacement of the adsorption ring 123 in the aligned sleeve 122. A damping sleeve is provided inside the mounting plate 121, which is connected to the fixed rod 113 through the damping sleeve to maintain relative stability after rotation and avoid arbitrary rotation.

[0034] Embodiment 2: When the gas is output to the outside, the separated gas is directly conducted to the aligned distribution switching processing component 12, the separated gas is fully in contact with the adsorption ring 123 in the sleeve 122, and the residual water vapor in the exhaust gas is adsorbed in the adsorption circle 123 to complete further adsorption separation, and when the group of adsorption circles 123 fails, the switching processing component 12 is rotated to switch different sleeves 122 to align with the gas outlet position, complete the rapid replacement process, and continue the adsorption separation.

[0035] Firstly, by utilizing the switchable processing component 12 and the sealed storage component 11, secondary exhaust gas treatment is performed at the exhaust pipe 5, and the gas discharged after separation is subjected to secondary adsorption treatment to further absorb the residual water vapor and achieve a more sufficient gas-liquid separation effect. At the same time, the rotation switching method can quickly replace the failed adsorption ring 123, complete the replacement process, maintain long-term and stable adsorption treatment, and the adsorption ring 123 to be used is sealed between the upper plate 111 and the lower plate 112, so as to achieve effective protection of the standby adsorption ring 123 and improve the gas-liquid separation quality.

[0036] The working principle and use process of the present invention are as follows: during separation, the guide pipe 2 inputs hydrogen mixed with water vapor into the baffle 6 of the cylinder 1, and the mixed gas is input into the connected intermediate air pipe 7, part of the gas is passed into the auxiliary air pipe 73, and part of the gas is urgently conducted downward through the air holes in the intermediate plug 72, and at the same time, external condensed water is input into the cylinder 1 through the inlet pipe 3 and immersed in the outside of the auxiliary air pipe 73, the hot gas in the intermediate air pipe 7 is rapidly cooled, the steam condenses, and the hydrogen is conducted into the condensed water. The continuously input condensed water is guided upward through the reflux pipe 4 after heat exchange, and the classified hydrogen is transported outward through the outlet pipe 5. When the water level overflows the auxiliary air pipe 73, the condensed water is bypassed to the other side for storage through the baffle, and during the separation process, the control component 8 is started to control the forward and reverse rotation of the gap of the control motor 81. As the control motor 81 rotates forward, the threaded shaft 82 is used to control the forward rotation of the gap. The threaded cleaning component 9 is driven to move downward, so that the No. 1 ring 91 and the No. 2 ring 92 move downward synchronously, and the auxiliary air pipe 73 and the main air pipe 71 are frictionally cleaned to complete the scale cleaning. When flipped over, the cleaning component 9 is driven to move up and reset, and the sleeved blades 10 are driven to rotate during the forward and reverse processes. The blades 10 stir in the condensed water and stir along the outlet end of the middle air pipe 7; when the gas is output outward, the separated gas is directly conducted to the aligned switching treatment component 12, and the separated gas is fully in contact with the adsorption circle 123 in the sleeve 122, and the residual water vapor in the exhaust gas is adsorbed in the adsorption circle 123 to complete further adsorption separation, and when the group of adsorption circles 123 fails, the switching treatment component 12 is rotated to switch different sleeves 122 to align with the outlet position to complete the rapid replacement process and continue the adsorption separation.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A horizontal gas-liquid separation device for a PEM hydrogen production device, comprising a cylinder (1), a flow guide pipe (2), an inlet pipe (3), a return pipe (4) and an outlet pipe (5), characterized in that: A baffle (6) is fixedly provided inside the cylinder (1), and an intermediate air pipe (7) is fixedly sleeved on the front of the baffle (6); the guide pipe (2) inputs the mixed gas into the condensate in the cylinder (1) through the intermediate air pipe (7); a cleaning component (9) is slidably sleeved in the intermediate air pipe (7); a control component (8) is fixedly provided inside the cylinder (1); the control component (8) controls the cleaning component (9) to move up and down along the intermediate air pipe (7); the intermediate air pipe (7) comprises a main air pipe (71), an intermediate plug (72) and an auxiliary air pipe (73); the auxiliary air pipe (73) is distributed around the outer surface of the main air pipe (71); an air hole is opened on the top surface of the intermediate plug (72) and is fixedly sleeved in the main air pipe (71); the upper and lower ends of the auxiliary air pipe (73) are respectively located on the upper and lower sides of the intermediate plug (72) and are both connected to the main air pipe (71).

2. A horizontal gas-liquid separation device for a PEM hydrogen production equipment according to claim 1, characterized in that: The guide pipe (2) is fixedly sleeved on the right end of the cylinder (1), the inner end of the guide pipe (2) faces the baffle frame (6), the inlet pipe (3) is fixedly sleeved on the left end of the cylinder (1), the return pipe (4) is fixedly sleeved on the top of the cylinder (1), the bottom end of the return pipe (4) extends to the inside of the cylinder (1), and the outlet pipe (5) is fixedly sleeved on the top of the cylinder (1).

3. A horizontal gas-liquid separation device for a PEM hydrogen production equipment according to claim 2, characterized in that: The cleaning assembly (9) comprises a first ring (91), a second ring (92), an intermediate rod (93), a threaded sleeve (94) and a support plate (95); the second ring (92) is movably sleeved on the outer surface of the auxiliary air pipe (73); the first ring (91) is movably sleeved on the outer surface of the main air pipe (71); the intermediate rod (93) is fixedly connected between the first ring (91) and the second ring (92); one end of the support plate (95) is fixedly connected to the threaded sleeve (94), and the other end is fixedly connected to the first ring (91).

4. A horizontal gas-liquid separation device for a PEM hydrogen production equipment according to claim 3, characterized in that: The control assembly (8) comprises a control motor (81), a threaded shaft (82) and a bottom sleeve (83); the control motor (81) is fixed to the top of the cylinder (1) via a motor seat; the threaded shaft (82) is rotatably sleeved inside the cylinder (1) and fixedly connected to the output shaft of the control motor (81); a sealing sleeve is fixedly sleeved on the outer surface of the cylinder (1); the sealing sleeve is sleeved on the outer surface of the threaded shaft (82); the bottom sleeve (83) is fixedly connected to the bottom of the inner cavity of the cylinder (1); the bottom sleeve (83) is sleeved on the bottom of the threaded shaft (82).

5. A horizontal gas-liquid separation device for a PEM hydrogen production equipment according to claim 4, characterized in that: The threaded shaft (82) is threadably sleeved with the threaded sleeve (94); the blade (10) is fixedly sleeved on the outer surface of the threaded shaft (82) and is located below the main air pipe (71).

6. A horizontal gas-liquid separation device for a PEM hydrogen production equipment according to claim 5, characterized in that: A sealed storage component (11) is fixedly provided on the top of the cylinder (1), and a switchable processing component (12) is rotatably provided inside the sealed storage component (11).

7. A horizontal gas-liquid separation device for a PEM hydrogen production equipment according to claim 6, characterized in that: The sealed storage assembly (11) comprises an upper plate (111), a lower plate (112), a fixing rod (113), an arc-shaped groove (114), a through hole (115) and a limiting ring (116); the fixing rod (113) is fixedly connected to the top of the cylinder (1); the upper plate (111) and the lower plate (112) are fixedly sleeved on the outer surface of the fixing rod (113) from top to bottom; the through hole (115) is provided on the top of the lower plate (112); the arc-shaped groove (114) is provided on the top surface of the upper plate (111); the arc-shaped groove (114) is located directly above the through hole (115); and the limiting ring (116) is fixedly sleeved on the outer surface of the fixing rod (113).

8. The horizontal gas-liquid separation device of the PEM hydrogen production equipment according to claim 7, characterized in that: The switchable processing assembly (12) comprises a mounting plate (121), a sleeve (122), an adsorption ring (123) and a bottom hole (124); the mounting plate (121) is rotatably sleeved on the outer surface of the fixing rod (113); the sleeve (122) is fixedly sleeved inside the mounting plate (121); the adsorption ring (123) is placed in the sleeve (122); the bottom hole (124) is provided at the bottom of the sleeve (122); and the mounting plate (121) is located between the upper plate (111) and the limiting ring (116).

9. A horizontal gas-liquid separation device for a PEM hydrogen production equipment according to claim 8, characterized in that: The air outlet pipe (5) is in communication with the through hole (115), and the through hole (115) is located on the rotation path of the bottom hole (124).