Diaphragm compressor for gas production

Abstract

The invention discloses a diaphragm compressor for gas production, and relates to the technical field of wind power hydrogen production. The diaphragm compressor for gas production comprises a base, a motor, a cylinder body and a cylinder cover which are arranged on a diaphragm compressor body, a piston and an oil distribution disc are arranged in the cylinder body, a diaphragm cavity air cylinder and a diaphragm are arranged in the cylinder cover, and an air suction pipe and an exhaust pipe are arranged at the end of the cylinder cover. The diaphragm compressor for gas production further comprises a water vapor removal mechanism arranged at an inlet of the gas suction pipe. According to the diaphragm compressor for gas production, water vapor in hydrogen can be conveniently condensed, removed, discharged and collected, meanwhile, hydrogen escape is avoided, the hydrogen compression quality is guaranteed, hydraulic oil in the cylinder body can be cooled, the use performance of the hydraulic oil is guaranteed, the reliability and performance of a system are guaranteed, and the service life of the system is prolonged. And the diaphragm and other sealing elements can be damaged by high temperature, so that the use effect and the service life are ensured.

Description

Technical Field

[0001] The invention relates to the technical field of wind power hydrogen production, and in particular to a diaphragm compressor for gas production. Background Art

[0002] Wind power hydrogen production is a technology that uses wind energy to produce hydrogen, aiming to promote energy transformation and reduce carbon emissions. Wind power hydrogen production technology mainly involves two key technologies: electric hydrogen conversion and hydrogen transportation. Its principle is to use the electricity generated by wind power to electrolyze water to generate hydrogen and oxygen. Then, the hydrogen needs to be purified, and the purified hydrogen needs to be compressed and stored. At this time, a diaphragm compressor can be used to compress the hydrogen. The diaphragm compressor for gas production is an important gas production equipment, a mechanical equipment specially used for gas compression and transportation. It is a reciprocating positive displacement compressor with good sealing performance, large compression ratio, large pressure range and high exhaust pressure point. The working principle of the diaphragm compressor is to completely separate the compressed medium and hydraulic oil through the diaphragm to ensure that the compressed medium does not come into contact with any lubricant, thereby ensuring the purity of the gas and preventing leakage. This special structural design enables the diaphragm compressor to maintain the cleanliness of the gas during the compression process and avoid damage caused by oil pollution.

[0003] However, when the existing diaphragm compressor for gas production is in use, it is not convenient to remove and collect water vapor due to the high humidity of hydrogen produced by wind power. This not only affects the purity of the compressed hydrogen, thereby affecting the quality of wind power hydrogen production, but also affects the use effect and life of the diaphragm compressor. In addition, during compression, the hydraulic oil in the cylinder will generate a large amount of heat, which not only affects the use performance of the hydraulic oil, thereby affecting the reliability and performance of the system, but also easily causes damage to seals such as the diaphragm, thereby affecting the use effect and life of the diaphragm compressor. Summary of the invention

[0004] The object of the present invention is to provide a diaphragm compressor for gas production to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a diaphragm compressor for gas production, comprising a base, a motor, a cylinder body and a cylinder head arranged on the diaphragm compressor body, a piston and an oil distribution plate are arranged in the cylinder body, and a membrane cavity cylinder and a diaphragm are arranged in the cylinder head, and an air intake pipe and an air discharge pipe are arranged at the end of the cylinder head, and the diaphragm compressor for gas production also includes:

[0006] A water vapor removal mechanism, disposed at the inlet of the intake pipe, for removing water vapor from the hydrogen gas inhaled by the intake pipe;

[0007] A cooling mechanism, disposed on the side wall of the cylinder body, for cooling the hydraulic oil in the cylinder body;

[0008] The water vapor removal mechanism comprises:

[0009] The box body is connected to the inlet of the air intake pipe through a U-shaped pipe, and an air intake pipe is provided below the box body;

[0010] A plurality of hollow blades are rotated in the box body through a rotating tube, and each blade is connected to the rotating tube;

[0011] A U-shaped guide plate is fixed to the top of the box, and an arc groove is provided on the top of the guide plate so that the blades can slide on the surface of the arc groove;

[0012] A drain pipe is arranged below the box body and communicated with the bottom of the box body, and a first one-way valve is arranged in the drain pipe;

[0013] An opening and closing mechanism, arranged on the side wall of the drain pipe, for controlling the opening and closing of the drain pipe;

[0014] An extrusion mechanism is disposed in the box body and is used to squeeze and discharge the condensed water collected at the bottom of the box body;

[0015] The liquid supply mechanism is arranged on the outer side of the cylinder cover and is used for supplying low-temperature liquid to the water vapor removal mechanism and the cooling mechanism.

[0016] Preferably, the extrusion mechanism comprises:

[0017] A liquid level sensor is fixedly inserted into the side wall of the box;

[0018] A first reset mechanism is disposed below the box body, and a moving frame is connected to the first reset mechanism, and the first reset mechanism is used to move and reset the moving frame, and the moving frame is disposed in the box body;

[0019] A first moving mechanism is arranged below the box body, and a first moving plate is connected to the first moving mechanism, and the first moving mechanism is used to move the first moving plate, the first moving plate is sleeved on the side wall of the air intake pipe, and a conical surface is arranged on the top of the first moving plate, and the first moving plate is arranged in the box body and located above the moving frame;

[0020] A vent hole is provided on the top of the first movable plate, and a second one-way valve is provided in the vent hole;

[0021] The pushing block is fixed on the top of the first moving plate.

[0022] Preferably, the cooling mechanism comprises:

[0023] A spirally arranged cooling pipe is fixedly sleeved on the side wall of the cylinder body;

[0024] A first liquid inlet pipe, fixedly connected to one end of the cooling pipe close to the cylinder head;

[0025] The first liquid outlet pipe is fixedly connected to one end of the cooling pipe away from the cylinder head.

[0026] Preferably, the liquid supply mechanism comprises:

[0027] A cooling box is arranged below the box body;

[0028] A circulation pump, fixedly connected to the side wall of the cooling box;

[0029] A second liquid inlet pipe is rotatably connected to one end of the rotating tube close to the U-shaped tube, one end of the second liquid inlet pipe away from the rotating tube is fixed to one end of the first liquid outlet pipe away from the cooling tube, and the second liquid inlet pipe is connected to the outlet of the circulation pump through the liquid supply pipe;

[0030] The second liquid outlet pipe is rotatably connected to one end of the rotating tube away from the U-shaped tube. The end of the second liquid outlet pipe away from the rotating tube is fixed to one end of the first liquid outlet pipe away from the cooling tube, and the second liquid outlet pipe is connected to the cooling box through the return pipe.

[0031] Preferably, the first reset mechanism comprises:

[0032] Two first T-shaped guide rods are fixed to the bottom of the moving frame, and the lower ends of the first T-shaped guide rods are arranged through the bottom of the box body;

[0033] Two first elastic members are sleeved on the side walls of the two first T-shaped guide rods, and the first elastic members are located between the bottom of the first T-shaped guide rod and the bottom of the box body. The first elastic member can be a spring, and the two ends of the first elastic member are respectively fixed to the bottom of the first T-shaped guide rod and the bottom of the box body.

[0034] Preferably, the first moving mechanism comprises:

[0035] A second movable plate is disposed below the box body and is fixed to the bottom of the first movable plate through two connecting rods;

[0036] Two second elastic members are sleeved on the side walls of the two connecting rods, and the second elastic members are located between the second movable plate and the box body. The second elastic members may be springs, and the two ends of the second elastic members are respectively fixed to the second movable plate and the box body;

[0037] a third movable plate, slidably connected to the top of the second movable plate via a guide rail;

[0038] A protrusion is fixed to the side wall of the rotating tube so that the upper end of the third movable plate can slide on the side wall of the protrusion;

[0039] The first pushing mechanism is arranged on the side wall of the box body and is used for pushing the third movable plate to move.

[0040] Preferably, the first pushing mechanism comprises:

[0041] A first connecting block, fixedly connected to the side wall of the box;

[0042] A rotating plate is rotated at the bottom of the first connecting block through a rotating shaft, and a first sliding groove is provided on the top of the rotating plate;

[0043] A first push pin, inserted into the first slide groove and fixed to the side wall of the third movable plate through a second connecting block;

[0044] The second pushing mechanism is arranged on the side wall of the box body and is used for pushing the rotating plate to rotate.

[0045] Preferably, the second pushing mechanism comprises:

[0046] A second moving mechanism is arranged on the side wall of the box body, and a fourth moving plate is connected to the second moving mechanism, and the second moving mechanism is used to move the fourth moving plate;

[0047] A second chute is provided on the top of the rotating plate;

[0048] A second push pin, inserted into the second slide groove and fixed to the side wall of the fourth movable plate through a third connecting block;

[0049] A limiting hole is provided on the side wall of the movable frame;

[0050] The limiting rod is inserted into the limiting hole and fixed to the side wall of the fourth movable plate.

[0051] Preferably, the second moving mechanism comprises:

[0052] An electromagnet, fixed to the side wall of the box through an L-shaped plate;

[0053] Two guide rods are inserted into the side wall of the fourth movable plate, and the two ends of the guide rods are fixed to the side wall of the L-shaped plate opposite to the box body;

[0054] Two third elastic members are sleeved on the side walls of the two guide rods, and the third elastic members are located between the fourth movable plate and the L-shaped plate. The third elastic members can be springs, and the two ends of the springs are respectively fixed to the fourth movable plate and the L-shaped plate;

[0055] The iron block is fixed to the side wall of the fourth movable plate and is arranged opposite to the electromagnet.

[0056] Preferably, the opening and closing mechanism comprises:

[0057] A fixed cover, fixedly inserted on the side wall of the drain pipe and communicated with the drain pipe;

[0058] A sliding plate is slidably connected to the fixed cover, and a round hole is opened on the top of the sliding plate;

[0059] The third moving mechanism is arranged on the side wall of the second moving plate and is used for moving the sliding plate.

[0060] Preferably, the third moving mechanism comprises:

[0061] An inclined plate, fixed to the side wall of the second movable plate through an L-shaped frame, and a vertical plate is fixedly connected to the top of the inclined plate;

[0062] Two second T-shaped guide rods, fixed to the side walls of the sliding plate through two first support blocks;

[0063] Two second support blocks are sleeved on the side walls of the two second T-shaped guide rods and fixed to the side walls of the fixed cover;

[0064] Two fourth elastic members are sleeved on the side walls of the two second T-shaped guide rods, and the fourth elastic members are located between the first support block and the second support block.

[0065] Compared with the prior art, the present invention has the following beneficial effects:

[0066] (1) This type of gas production diaphragm compressor is provided with a water vapor removal mechanism, etc. After the hydrogen production is completed, the hydrogen is supplied into the box through the intake pipe. At the same time, the diaphragm compressor is started, and the hydrogen in the box can be drawn into the membrane cavity cylinder in the cylinder head through the U-shaped tube and the suction pipe. At the same time, the hydraulic oil is squeezed by the piston and the hydrogen is compressed by the diaphragm, so that the hydrogen is discharged through the exhaust pipe after being compressed. When the hydrogen enters the box, it can impact the surface of the blade, causing the blade to rotate counterclockwise along the rotating tube. At the same time, the circulation pump is started, so that The cryogenic liquid in the cooling box can enter the rotating tube and the blades through the liquid supply pipe and the second liquid inlet pipe, and return to the cooling box through the second liquid outlet pipe and the liquid return pipe for cooling. In this way, the cryogenic liquid in the blades can be circulated, so that the water vapor in the hydrogen can condense on the surface of the blades. As the blades rotate, under the action of centrifugal force and under the guidance of the guide plate and the arc groove, the condensed water can fall to the bottom of the box for collection, thereby facilitating the removal of water vapor in the hydrogen and ensuring the efficiency and effect of the removal, thereby ensuring the quality of hydrogen production.

[0067] (2) This type of diaphragm compressor for gas production can detect the liquid level of condensed water collected at the bottom of the box body through the liquid level sensor by setting an extrusion mechanism, etc. When the liquid level is just flush with the top of the movable frame, the electromagnet is energized. After the electromagnet is energized, it attracts the iron block, so that the fourth movable plate and the limit rod move in the direction close to the L-shaped plate. At the same time, the third elastic member is compressed, and the limit rod is withdrawn from the limit hole. At the same time, when the fourth movable plate moves, the second push pin can be driven to slide in the second slide groove through the third connecting block, thereby pushing the rotating plate to rotate along the rotating shaft. At the same time, the first push pin slides in the first slide groove, from The third movable plate is pushed to move along the guide rail in the direction away from the box body, and the upper end of the third movable plate can be moved to the bottom of the protrusion. When the rotating tube rotates, the protrusion can be driven to rotate. When the protrusion abuts against the top of the third movable plate, the first movable plate can be driven to move downward through the second movable plate and the connecting rod. At the same time, the second elastic member is stretched, so that the hydrogen above the liquid surface can be squeezed away. When the first movable plate contacts the liquid surface, when the second movable plate continues to move downward, the inclined plate and the vertical plate can be driven to move downward through the L-shaped frame, and the first supporting block can slide along the inclined plate to the side wall of the vertical plate. At this time, the sliding plate can be pushed into the fixed cover. The first movable plate slides to align the circular hole with the drain pipe, and at the same time, the fourth elastic member is compressed. At this time, the opening and closing mechanism is in the open state, and when the first movable plate continues to move downward, the condensed water at the bottom of the box body can be squeezed and discharged and collected through the drain pipe. When the first movable plate moves into the movable frame, the pushing block abuts against the top of the movable frame. At this time, the movable frame can be pushed to move downward synchronously. At the same time, the first elastic member is stretched. At this time, the condensed water at the bottom of the box body can be completely squeezed out and collected through the drain pipe, thereby facilitating the automatic collection of the condensed water and avoiding the escape of hydrogen to ensure the quality of hydrogen production. After it is completely squeezed out, the electromagnet is disconnected. Electricity, at this time, the fourth movable plate can move and reset under the action of the third elastic member, thereby driving the rotating plate to rotate and reset, and then driving the third movable plate to move and reset in the direction close to the box body and move away from under the protrusion. At this time, the movable frame can move upward and reset under the action of the first elastic member, and the first movable plate can move upward and reset under the action of the second elastic member, and the hydrogen in the box body can enter the bottom of the box body through the vent hole to avoid generating negative pressure and affecting the reset of the movable frame and the first movable plate, and the sliding plate can move and reset under the action of the fourth elastic member, so that the round hole is staggered with the drain pipe. At this time, the opening and closing mechanism is in a disconnected state.

[0068] (3) This type of diaphragm compressor for gas production is provided with a cooling mechanism, etc., so that when the cryogenic liquid is circulated, the cryogenic liquid can enter the cooling pipe through the liquid supply pipe and the first liquid inlet pipe, and return to the cooling box through the first liquid outlet pipe and the liquid return pipe. In this way, the surface of the cylinder body can be cooled, and the internal hydraulic oil can be cooled, which not only ensures the performance of the hydraulic oil and the reliability and performance of the system, but also can prevent damage to sealing components such as the diaphragm caused by high temperature, thereby ensuring its effectiveness and life. BRIEF DESCRIPTION OF THE DRAWINGS

[0069] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0070] Figure 2 It is a schematic diagram of the overall structure of the present invention from another perspective;

[0071] Figure 3 It is a schematic diagram of the position of the water vapor removal mechanism in the present invention;

[0072] Figure 4 It is a partial cross-sectional structural schematic diagram of the box body and the fixed cover in the present invention;

[0073] Figure 5 It is a partial cross-sectional structural schematic diagram of the box body in another viewing angle of the present invention;

[0074] Figure 6 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0075] Figure 7 for Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0076] Figure 8 for Figure 3 Schematic diagram of the enlarged structure at C in the middle;

[0077] Fig. 9 for Figure 4 Schematic diagram of the enlarged structure at D in the middle;

[0078] Fig.10 for Figure 5 Schematic diagram of the enlarged structure at E in the middle;

[0079] Fig.11 for Fig. 9 Schematic diagram of the enlarged structure at F in the middle.

[0080] In the figure: 101, base; 102, motor; 103, cylinder body; 104, cylinder head; 105, air intake pipe; 106, exhaust pipe; 201, cooling box; 202, circulation pump; 203, liquid supply pipe; 204, second liquid inlet pipe; 205, second liquid outlet pipe; 206, liquid return pipe; 301, cooling pipe; 302, first liquid inlet pipe; 303, first liquid outlet pipe; 401, first T-shaped guide rod; 402, first elastic member; 501, second movable plate; 502, connecting rod; 503, second elastic member; 504, guide rail; 505, third movable plate; 506, protrusion; 601, first connecting block; 602, rotating shaft; 603, rotating plate; 604, first slide groove; 605, second connecting block; 606, first push pin; 701, second push pin; 702, fourth movable plate; 703, limit rod; 704 , limiting hole; 705, second slide groove; 706, third connecting block; 801, fixed cover; 802, sliding plate; 803, round hole; 901, L-shaped plate; 902, guide rod; 903, third elastic member; 904, electromagnet; 905, iron block; 1001, first supporting block; 1002, second T-shaped guide rod; 1003, second supporting block; 1004, fourth elastic member; 1005, L-shaped frame; 1006, inclined plate; 1007, vertical plate; 1101, box body; 1102, air inlet pipe; 1103, U-shaped pipe; 1104, rotating pipe; 1105, blade; 1106, guide plate; 1107, arc groove; 1108, drain pipe; 1109, moving frame; 1110, first moving plate; 1111, cone surface; 1112, vent hole; 1113, push block; 1114, liquid level sensor. DETAILED DESCRIPTION

[0081] 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.

[0082] See also Figure 1-Figure 11 The present invention provides a diaphragm compressor for gas production, comprising a base 101, a motor 102, a cylinder body 103 and a cylinder head 104 arranged on the diaphragm compressor body, a piston and an oil distribution plate are arranged in the cylinder body 103, and a membrane cavity cylinder and a diaphragm are arranged in the cylinder head 104, and an air intake pipe 105 and an air discharge pipe 106 are arranged at the end of the cylinder head 104. The diaphragm compressor for gas production also includes:

[0083] The water vapor removal mechanism is disposed at the inlet of the intake pipe 105 and is used to remove water vapor in the hydrogen gas inhaled by the intake pipe 105 .

[0084] The cooling mechanism is disposed on the side wall of the cylinder body 103 and is used for cooling the hydraulic oil in the cylinder body 103 .

[0085] The water vapor removal mechanism includes:

[0086] The box body 1101 is connected to the inlet of the air intake pipe 105 through the U-shaped pipe 1103 , and an air intake pipe 1102 is provided below the box body 1101 .

[0087] A plurality of hollow blades 1105 are rotated in the box body 1101 through the rotating tube 1104 , and each blade 1105 is connected to the rotating tube 1104 .

[0088] The U-shaped guide plate 1106 is fixed to the top of the box body 1101 , and an arc groove 1107 is formed on the top of the guide plate 1106 , so that the blade 1105 can slide on the surface of the arc groove 1107 .

[0089] The drain pipe 1108 is disposed below the box body 1101 and communicated with the bottom of the box body 1101 , and a first one-way valve is disposed in the drain pipe 1108 , and the conducting direction of the first one-way valve is from the inside to the outside of the box body 1101 .

[0090] The opening and closing mechanism is arranged on the side wall of the drain pipe 1108 and is used to control the opening and closing of the drain pipe 1108.

[0091] The squeezing mechanism is disposed in the box body 1101 and is used to squeeze out the condensed water collected at the bottom of the box body 1101 .

[0092] The liquid supply mechanism is arranged on the outside of the cylinder head 104, and is used to supply low-temperature liquid to the water vapor removal mechanism and the cooling mechanism, so as to facilitate the condensation and removal of water vapor in the hydrogen and discharge and collection. At the same time, it avoids the escape of hydrogen and ensures the quality of hydrogen compression. In addition, it can cool the hydraulic oil in the cylinder body 103, which not only ensures the performance of the hydraulic oil and the reliability and performance of the system, but also can prevent damage to sealing components such as diaphragms at high temperatures, thereby ensuring their effectiveness and lifespan.

[0093] See also Figure 8-Figure 11 , the extrusion mechanism includes:

[0094] The liquid level sensor 1114 is fixedly inserted into the side wall of the box body 1101 .

[0095] The first reset mechanism is disposed below the box body 1101 , and the first reset mechanism is connected to a moving frame 1109 . The first reset mechanism is used to move and reset the moving frame 1109 , and the moving frame 1109 is disposed in the box body 1101 .

[0096] The first moving mechanism is arranged below the box body 1101, and the first moving mechanism is connected to a first moving plate 1110, and the first moving mechanism is used to move the first moving plate 1110, the first moving plate 1110 is sleeved on the side wall of the intake pipe 1102, and a conical surface 1111 is arranged on the top of the first moving plate 1110, and the first moving plate 1110 is arranged in the box body 1101 and is located above the moving frame 1109.

[0097] The vent hole 1112 is opened at the top of the first movable plate 1110 , and a second one-way valve is disposed in the vent hole 1112 . The conducting direction of the second one-way valve is from the top to the bottom of the first movable plate 1110 .

[0098] The pushing block 1113 is fixed on the top of the first movable plate 1110. The liquid level of the condensed water collected at the bottom of the box 1101 can be detected by the liquid level sensor 1114. When the liquid level is just flush with the top of the movable frame 1109, the first movable plate 1110 is driven to move downward by the first movable mechanism, so that the condensed water at the bottom of the box 1101 can be squeezed and discharged and collected through the drain pipe 1108. When the first movable plate 1110 moves into the movable frame 1109, the pushing block 1113 is abutted against the top of the movable frame 1109. At this time, the movable frame 1109 can be pushed to move downward synchronously, and the condensed water at the bottom of the box 1101 can be completely squeezed out and collected through the drain pipe 1108, thereby facilitating the automatic collection of the condensed water.

[0099] See also Figure 6 and Figure 7 , the cooling mechanism includes:

[0100] The spiral cooling pipe 301 is fixedly sleeved on the side wall of the cylinder body 103;

[0101] A first liquid inlet pipe 302, fixedly connected to one end of the cooling pipe 301 close to the cylinder head 104;

[0102] The first liquid outlet pipe 303 is fixedly connected to one end of the cooling pipe 301 away from the cylinder head 104. When the low-temperature liquid is circulated, the low-temperature liquid can enter the cooling pipe 301 through the first liquid inlet pipe 302 and flow out through the first liquid outlet pipe 303. This reciprocating process can cool the surface of the cylinder body 103, and then the internal hydraulic oil can be cooled, which not only ensures the performance of the hydraulic oil and the reliability and performance of the system, but also prevents damage to sealing components such as the diaphragm at high temperature, thereby ensuring its effectiveness and lifespan.

[0103] See also Figure 6 and Figure 7 , the liquid supply mechanism includes:

[0104] The cooling box 201 is arranged below the box body 1101;

[0105] A circulation pump 202 is fixedly connected to the side wall of the cooling box 201;

[0106] The second liquid inlet pipe 204 is rotatably connected to one end of the rotating tube 1104 close to the U-shaped tube 1103, and one end of the second liquid inlet pipe 204 away from the rotating tube 1104 is fixed to one end of the first liquid outlet pipe 303 away from the cooling tube 301, and the second liquid inlet pipe 204 is connected to the outlet of the circulation pump 202 through the liquid supply pipe 203;

[0107] The second liquid outlet pipe 205 is rotatably connected to one end of the rotating tube 1104 away from the U-shaped tube 1103. The end of the second liquid outlet pipe 205 away from the rotating tube 1104 is fixed to one end of the first liquid outlet pipe 303 away from the cooling tube 301, and the second liquid outlet pipe 205 is connected to the cooling box 201 through the liquid return pipe 206. The circulation pump 202 is started, so that the low-temperature liquid in the cooling box 201 can enter the rotating tube 1104 and the blades 1105 through the liquid supply pipe 203 and the second liquid inlet pipe 204, and return to the cooling box 201 through the second liquid outlet pipe 205 and the liquid return pipe 206 for cooling. This reciprocating motion can circulate the low-temperature liquid in the blades 1105. At the same time, when the low-temperature liquid is circulated, the low-temperature liquid can enter the cooling pipe 301 through the liquid supply pipe 203 and the first liquid inlet pipe 302, and return to the cooling box 201 through the first liquid outlet pipe 303 and the return liquid pipe 206. In this reciprocating motion, the surface of the cylinder body 103 can be cooled, and then the internal hydraulic oil can be cooled, which not only ensures the performance of the hydraulic oil, the reliability and performance of the system, but also prevents damage to sealing components such as the diaphragm at high temperature, thereby ensuring its effectiveness and lifespan.

[0108] See also Figure 5 and Fig. 9 , the first reset mechanism comprises:

[0109] Two first T-shaped guide rods 401 are fixed to the bottom of the moving frame 1109 , and the lower ends of the first T-shaped guide rods 401 penetrate the bottom of the box body 1101 .

[0110] The two first elastic members 402 are sleeved on the side walls of the two first T-shaped guide rods 401, and the first elastic members 402 are located between the bottom of the first T-shaped guide rods 401 and the bottom of the box body 1101. The first elastic members 402 can be springs, and the two ends of the first elastic members 402 are respectively fixed to the bottom of the first T-shaped guide rods 401 and the bottom of the box body 1101, to guide and reset the movement of the moving frame 1109.

[0111] See also Figure 5 , Figure 8 , Fig. 9 and Fig.11 , the first moving mechanism comprises:

[0112] The second movable plate 501 is disposed below the box body 1101 and is fixed to the bottom of the first movable plate 1110 via two connecting rods 502 .

[0113] The two second elastic members 503 are sleeved on the side walls of the two connecting rods 502 and are located between the second movable plate 501 and the box body 1101 . The second elastic member 503 can be a spring, and the two ends of the second elastic member 503 are respectively fixed to the second movable plate 501 and the box body 1101 .

[0114] The third movable plate 505 is slidably connected to the top of the second movable plate 501 via the guide rail 504 .

[0115] The protrusion 506 is fixed to the side wall of the rotating tube 1104 so that the upper end of the third movable plate 505 can slide on the side wall of the protrusion 506 .

[0116] The first pushing mechanism is arranged on the side wall of the box body 1101, and is used to push the third movable plate 505 to move. The third movable plate 505 is pushed to move in the direction away from the box body 1101 by the first pushing mechanism, and the upper end of the third movable plate 505 can be moved to the bottom of the protrusion 506. When the rotating tube 1104 rotates, the protrusion 506 can be driven to rotate. When the protrusion 506 is against the top of the third movable plate 505, the first movable plate 1110 can be driven to move downward through the second movable plate 501 and the connecting rod 502.

[0117] See also Fig.11 , the first driving force includes:

[0118] The first connecting block 601 is fixedly connected to the side wall of the box body 1101 .

[0119] The rotating plate 603 is rotated at the bottom of the first connecting block 601 via the rotating shaft 602 , and a first sliding groove 604 is formed at the top of the rotating plate 603 .

[0120] The first push pin 606 is inserted into the first sliding groove 604 and fixed to the side wall of the third moving plate 505 through the second connecting block 605 .

[0121] The second pushing mechanism is arranged on the side wall of the box body 1101, and is used to push the rotating plate 603 to rotate. The rotating plate 603 is pushed to rotate along the rotating shaft 602 by the second pushing mechanism. At the same time, the first pushing pin 606 slides in the first sliding groove 604, thereby pushing the third movable plate 505 to move along the guide rail 504 away from the box body 1101.

[0122] See also Fig.11 , the second driving mechanism includes:

[0123] The second moving mechanism is disposed on the side wall of the box body 1101 , and the fourth moving plate 702 is connected to the second moving mechanism. The second moving mechanism is used to move the fourth moving plate 702 .

[0124] The second slide groove 705 is opened on the top of the rotating plate 603 .

[0125] The second push pin 701 is inserted into the second slide slot 705 and fixed to the side wall of the fourth movable plate 702 through the third connecting block 706 .

[0126] The limiting hole 704 is formed on the side wall of the movable frame 1109 .

[0127] The limiting rod 703 is inserted into the limiting hole 704 and fixed to the side wall of the fourth movable plate 702. The fourth movable plate 702 and the limiting rod 703 are driven to move toward the direction close to the L-shaped plate 901 through the second moving mechanism. At the same time, the third elastic member 903 is compressed, and the limiting rod 703 is made to withdraw from the limiting hole 704. The limiting rod 703 prevents the second movable plate 501 from accidentally touching and driving the first movable plate 1110 to move downward, thereby driving the movable frame 1109 to move downward.

[0128] See also Fig. 9 and Fig.11 , the second moving mechanism comprises:

[0129] The electromagnet 904 is fixed to the side wall of the box body 1101 through the L-shaped plate 901.

[0130] Two guide rods 902 are inserted into the side wall of the fourth movable plate 702 , and two ends of the guide rods 902 are fixed to the side wall of the L-shaped plate 901 opposite to the box body 1101 .

[0131] Two third elastic members 903 are sleeved on the side walls of the two guide rods 902, and the third elastic members 903 are located between the fourth movable plate 702 and the L-shaped plate 901. The third elastic member 903 can be a spring, and the two ends of the spring are respectively fixed to the fourth movable plate 702 and the L-shaped plate 901.

[0132] The iron block 905 is fixed to the side wall of the fourth movable plate 702 and is arranged opposite to the electromagnet 904. When the electromagnet 904 is energized, the electromagnet 904 attracts the iron block 905, so that the fourth movable plate 702 and the limit rod 703 move toward the direction close to the L-shaped plate 901.

[0133] See also Figure 8 and Fig. 9 , the opening and closing mechanisms include:

[0134] The fixed cover 801 is fixedly inserted into the side wall of the drain pipe 1108 and is communicated with the drain pipe 1108 .

[0135] The sliding plate 802 is slidably connected to the fixed cover 801 , and a round hole 803 is formed on the top of the sliding plate 802 .

[0136] The third moving mechanism is arranged on the side wall of the second moving plate 501, and is used to move the sliding plate 802. The sliding plate 802 is pushed to slide into the fixed cover 801 by the third moving mechanism, so that the circular hole 803 is aligned with the drain pipe 1108. At the same time, the fourth elastic member 1004 is compressed, and at this time, the opening and closing mechanism is in an open state.

[0137] See also Fig. 9 , the third moving mechanism includes:

[0138] The inclined plate 1006 is fixed to the side wall of the second movable plate 501 through the L-shaped frame 1005 , and the top of the inclined plate 1006 is fixedly connected to the vertical plate 1007 .

[0139] The two second T-shaped guide rods 1002 are fixed to the side walls of the sliding plate 802 through the two first support blocks 1001 .

[0140] The two second support blocks 1003 are sleeved on the side walls of the two second T-shaped guide rods 1002 and fixed to the side walls of the fixing cover 801 .

[0141] The two fourth elastic members 1004 are sleeved on the side walls of the two second T-shaped guide rods 1002, and the fourth elastic members 1004 are located between the first support block 1001 and the second support block 1003. When the first movable plate 1110 contacts the liquid surface and the second movable plate 501 continues to move downward, the inclined plate 1006 and the vertical plate 1007 can be driven downward by the L-shaped frame 1005, and the first support block 1001 can slide along the inclined plate 1006 to the side wall of the vertical plate 1007. At this time, the sliding plate 802 can be pushed to slide into the fixed cover 801, so that the circular hole 803 is aligned with the drain pipe 1108.

[0142] Working principle: When in use, after the hydrogen production is completed, the hydrogen is supplied into the box body 1101 through the air inlet pipe 1102. At the same time, the diaphragm compressor is started to draw the hydrogen in the box body 1101 into the membrane cavity cylinder in the cylinder head 104 through the U-shaped tube 1103 and the air intake pipe 105. At the same time, the hydraulic oil is squeezed by the piston and the hydrogen is compressed by the diaphragm, so that the hydrogen is compressed and discharged through the exhaust pipe 106. When the hydrogen enters the box body 1101, it can impact the surface of the blade 1105, causing the blade 1105 to rotate counterclockwise along the rotating tube 1104. At the same time, the circulating pump 202 is started to cool the low-temperature liquid in the cooling box 201. It can enter the rotating tube 1104 and the blades 1105 through the liquid supply pipe 203 and the second liquid inlet pipe 204, and return to the cooling box 201 for cooling through the second liquid outlet pipe 205 and the return liquid pipe 206. In this way, the low-temperature liquid in the blades 1105 can be circulated, so that the water vapor in the hydrogen can condense on the surface of the blades 1105. As the blades 1105 rotate, under the action of centrifugal force and under the guidance of the guide plate 1106 and the arc groove 1107, the condensed water can fall to the bottom of the box 1101 for collection, thereby facilitating the removal of water vapor in the hydrogen, and ensuring the efficiency and effect of the removal, thereby ensuring the quality of hydrogen production.

[0143] At the same time, the liquid level of the condensed water collected at the bottom of the box body 1101 can be detected by the liquid level sensor 1114. When the liquid level is just flush with the top of the movable frame 1109, the electromagnet 904 is energized. After being energized, the electromagnet 904 attracts the iron block 905, so that the fourth movable plate 702 and the limiting rod 703 move toward the direction close to the L-shaped plate 901. At the same time, the third elastic member 903 is compressed, and the limiting rod 703 is withdrawn from the limiting hole 704. At the same time, when the fourth movable plate 702 moves, the second push pin 701 can be driven to slide in the second slide groove 705 through the third connecting block 706, thereby pushing the rotating The movable plate 603 rotates along the rotating shaft 602, and at the same time, the first push pin 606 slides in the first slide groove 604, thereby pushing the third movable plate 505 to move along the guide rail 504 in the direction away from the box body 1101, and can move the upper end of the third movable plate 505 to below the protrusion 506. When the rotating tube 1104 rotates, it can drive the protrusion 506 to rotate. When the protrusion 506 abuts against the top of the third movable plate 505, it can drive the first movable plate 1110 to move downward through the second movable plate 501 and the connecting rod 502. At the same time, the second elastic member 503 is stretched, so that the hydrogen above the liquid surface can be squeezed away.

[0144] When the first movable plate 1110 contacts the liquid surface, when the second movable plate 501 continues to move downward, the inclined plate 1006 and the vertical plate 1007 can be driven to move downward through the L-shaped frame 1005, and the first support block 1001 slides along the inclined plate 1006 to the side wall of the vertical plate 1007. At this time, the sliding plate 802 can be pushed to slide into the fixed cover 801, so that the circular hole 803 is aligned with the drain pipe 1108. At the same time, the fourth elastic member 1004 is compressed. At this time, the opening and closing mechanism is in the open state, and when the first movable plate 1110 continues to move downward, the first movable plate 1110 is opened. When moving downward, the condensed water at the bottom of the box body 1101 can be squeezed and discharged and collected through the drain pipe 1108. When the first movable plate 1110 moves into the movable frame 1109, the pushing block 1113 abuts against the top of the movable frame 1109. At this time, the movable frame 1109 can be pushed to move downward synchronously. At the same time, the first elastic member 402 is stretched. At this time, the condensed water at the bottom of the box body 1101 can be completely squeezed out and collected through the drain pipe 1108, thereby facilitating the automatic collection of the condensed water and avoiding the escape of hydrogen to ensure the quality of hydrogen production.

[0145] After complete extrusion, the electromagnet 904 is powered off. At this time, the fourth movable plate 702 can move and reset under the action of the third elastic member 903, thereby driving the rotating plate 603 to rotate and reset, and then driving the third movable plate 505 to move and reset in the direction close to the box body 1101 and move away from under the protrusion 506. At this time, the movable frame 1109 can move upward and reset under the action of the first elastic member 402, and the first movable plate 1110 can move upward and reset under the action of the second elastic member 503, and the hydrogen in the box body 1101 can enter the bottom of the box body 1101 through the vent 1112 to avoid generating negative pressure and affecting the reset of the movable frame 1109 and the first movable plate 1110, and the sliding plate 802 can move and reset under the action of the fourth elastic member 1004, so that the circular hole 803 is staggered with the drain pipe 1108. At this time, the opening and closing mechanism is in a disconnected state.

[0146] Furthermore, when the cryogenic liquid is circulated, the cryogenic liquid can enter the cooling pipe 301 through the liquid supply pipe 203 and the first liquid inlet pipe 302, and return to the cooling box 201 through the first liquid outlet pipe 303 and the liquid return pipe 206, and so on. The surface of the cylinder body 103 can be cooled, and then the internal hydraulic oil can be cooled, which not only ensures the performance of the hydraulic oil and the reliability and performance of the system, but also prevents damage to sealing components such as the diaphragm at high temperature, thereby ensuring its effectiveness and lifespan.

Claims

1. A diaphragm compressor for gas production, comprising a base (101), a motor (102), a cylinder body (103) and a cylinder head (104) arranged on a diaphragm compressor body, wherein a piston and an oil distribution plate are arranged in the cylinder body (103), and a membrane cavity cylinder and a diaphragm are arranged in the cylinder head (104), and an air intake pipe (105) and an air discharge pipe (106) are arranged at the end of the cylinder head (104), characterized in that: The diaphragm compressor for gas production also includes: A water vapor removal mechanism is arranged at the inlet of the intake pipe (105) and is used to remove water vapor from the hydrogen gas inhaled by the intake pipe (105); A cooling mechanism, arranged on a side wall of the cylinder (103) and used for cooling the hydraulic oil in the cylinder (103); The water vapor removal mechanism comprises: The box body (1101) is connected to the inlet of the air intake pipe (105) through a U-shaped pipe (1103), and an air intake pipe (1102) is provided below the box body (1101); A plurality of hollow blades (1105) are rotated in the box (1101) via a rotating tube (1104), and each blade (1105) is connected to the rotating tube (1104); A U-shaped guide plate (1106) is fixed to the top of the box (1101), and an arc-shaped groove (1107) is provided on the top of the guide plate (1106) so that the blade (1105) can slide on the surface of the arc-shaped groove (1107); A drainage pipe (1108) is disposed below the box (1101) and is in communication with the bottom of the box (1101), and a first one-way valve is disposed in the drainage pipe (1108); An opening and closing mechanism, arranged on the side wall of the drain pipe (1108), for controlling the opening and closing of the drain pipe (1108); An extrusion mechanism is arranged in the box (1101) and is used to squeeze and discharge condensed water collected at the bottom of the box (1101); The liquid supply mechanism is arranged on the outside of the cylinder cover (104) and is used to supply low-temperature liquid to the water vapor removal mechanism and the cooling mechanism.

2. A diaphragm compressor for gas production according to claim 1, characterized in that: The extrusion mechanism comprises: A liquid level sensor (1114) is fixedly inserted into a side wall of the box body (1101); A first reset mechanism is arranged below the box body (1101), and a moving frame (1109) is connected to the first reset mechanism. The first reset mechanism is used to move and reset the moving frame (1109), and the moving frame (1109) is arranged inside the box body (1101); A first moving mechanism is arranged below the box body (1101), and a first moving plate (1110) is connected to the first moving mechanism. The first moving mechanism is used to move the first moving plate (1110), the first moving plate (1110) is sleeved on the side wall of the air intake pipe (1102), and a conical surface (1111) is arranged on the top of the first moving plate (1110), and the first moving plate (1110) is arranged in the box body (1101) and is located above the moving frame (1109); A vent hole (1112) is provided at the top of the first movable plate (1110), and a second one-way valve is provided in the vent hole (1112); The pushing block (1113) is fixed on the top of the first moving plate (1110).

3. A diaphragm compressor for gas production according to claim 1, characterized in that: The cooling mechanism comprises: A spirally arranged cooling pipe (301) is fixedly sleeved on the side wall of the cylinder body (103); A first liquid inlet pipe (302) fixedly connected to one end of the cooling pipe (301) close to the cylinder cover (104); The first liquid outlet pipe (303) is fixedly connected to one end of the cooling pipe (301) away from the cylinder cover (104).

4. A diaphragm compressor for gas production according to claim 1, characterized in that: The liquid supply mechanism comprises: A cooling box (201) is arranged below the box body (1101); A circulation pump (202) fixedly connected to a side wall of the cooling box (201); A second liquid inlet pipe (204) is rotatably connected to one end of the rotating tube (1104) close to the U-shaped tube (1103); one end of the second liquid inlet pipe (204) away from the rotating tube (1104) is fixed to one end of the first liquid outlet pipe (303) away from the cooling tube (301); and the second liquid inlet pipe (204) is connected to the outlet of the circulation pump (202) through the liquid supply pipe (203); The second liquid outlet pipe (205) is rotatably connected to one end of the rotating tube (1104) away from the U-shaped tube (1103); the end of the second liquid outlet pipe (205) away from the rotating tube (1104) is fixed to one end of the first liquid outlet pipe (303) away from the cooling tube (301); and the second liquid outlet pipe (205) is connected to the cooling box (201) via the liquid return pipe (206).

5. A diaphragm compressor for gas production according to claim 2, characterized in that: The first reset mechanism comprises: Two first T-shaped guide rods (401) are fixed to the bottom of the moving frame (1109), and the lower ends of the first T-shaped guide rods (401) are arranged to penetrate the bottom of the box body (1101); The two first elastic members (402) are sleeved on the side walls of the two first T-shaped guide rods (401), and the first elastic members (402) are located between the bottom of the first T-shaped guide rods (401) and the bottom of the box body (1101).

6. A diaphragm compressor for gas production according to claim 2, characterized in that: The first moving mechanism comprises: A second movable plate (501) is disposed below the box body (1101) and is fixed to the bottom of the first movable plate (1110) via two connecting rods (502); Two second elastic members (503) are sleeved on the side walls of the two connecting rods (502), and the second elastic members (503) are located between the second movable plate (501) and the box body (1101); A third movable plate (505) is slidably connected to the top of the second movable plate (501) via a guide rail (504); A convex block (506) is fixed to the side wall of the rotating tube (1104), so that the upper end of the third movable plate (505) can slide on the side wall of the convex block (506); A first pushing mechanism is arranged on a side wall of the box body (1101) and is used to push the third movable plate (505) to move; the first pushing mechanism comprises: A first connecting block (601) fixedly connected to a side wall of the box body (1101); A rotating plate (603) is rotated at the bottom of the first connecting block (601) via a rotating shaft (602), and a first sliding groove (604) is provided on the top of the rotating plate (603); A first push pin (606) is inserted into the first slide groove (604) and fixed to the side wall of the third movable plate (505) through a second connecting block (605); The second pushing mechanism is arranged on the side wall of the box body (1101) and is used to push the rotating plate (603) to rotate.

7. A diaphragm compressor for gas production according to claim 6, characterized in that: The second driving mechanism comprises: A second moving mechanism is arranged on a side wall of the box body (1101), and a fourth moving plate (702) is connected to the second moving mechanism, and the second moving mechanism is used to move the fourth moving plate (702); A second slide groove (705) is provided on the top of the rotating plate (603); A second pushing pin (701) is inserted into the second sliding groove (705) and fixed to the side wall of the fourth movable plate (702) through a third connecting block (706); A limiting hole (704) is provided on a side wall of the movable frame (1109); The limiting rod (703) is inserted into the limiting hole (704) and fixed to the side wall of the fourth movable plate (702).

8. A diaphragm compressor for gas production according to claim 7, characterized in that: The second moving mechanism comprises: An electromagnet (904) is fixed to the side wall of the box (1101) via an L-shaped plate (901); Two guide rods (902) are inserted into the side wall of the fourth movable plate (702), and two ends of the guide rods (902) are fixed to the side wall of the L-shaped plate (901) opposite to the box body (1101); Two third elastic members (903) are sleeved on the side walls of the two guide rods (902), and the third elastic members (903) are located between the fourth movable plate (702) and the L-shaped plate (901); The iron block (905) is fixed to the side wall of the fourth movable plate (702) and is arranged opposite to the electromagnet (904).

9. A diaphragm compressor for gas production according to claim 6, characterized in that: The opening and closing mechanism comprises: A fixed cover (801) is fixedly inserted into the side wall of the drain pipe (1108) and is in communication with the drain pipe (1108); A sliding plate (802) is slidably connected to the fixed cover (801), and a round hole (803) is opened on the top of the sliding plate (802); The third moving mechanism is arranged on the side wall of the second moving plate (501) and is used to move the sliding plate (802).

10. A diaphragm compressor for gas production according to claim 9, characterized in that: The third moving mechanism comprises: An inclined plate (1006) is fixed to the side wall of the second movable plate (501) through an L-shaped frame (1005), and a vertical plate (1007) is fixedly connected to the top of the inclined plate (1006); Two second T-shaped guide rods (1002) are fixed to the side walls of the sliding plate (802) through two first support blocks (1001); Two second support blocks (1003) are sleeved on the side walls of the two second T-shaped guide rods (1002) and fixed to the side walls of the fixed cover (801); The two fourth elastic members (1004) are sleeved on the side walls of the two second T-shaped guide rods (1002), and the fourth elastic members (1004) are located between the first support block (1001) and the second support block (1003).

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