A flow-adjustable natural gas hydrogen blending device

Abstract

The present invention discloses a flow-adjustable natural gas hydrogen blending device, comprising an operating drum and a drying cylinder. The present invention belongs to the technical field of natural gas mixing. Natural gas and hydrogen are transported into the drying cylinder, and an extrusion motor is started at this time. The extrusion motor drives a driving rod to rotate, and the driving rod drives a driving screw to extend and retract along a limiting screw ring through a transmission rod. Since the driving screw maintains a threaded connection with the limiting screw ring, the driving screw will also rotate when it moves horizontally to the left and right, and the connection ball head and the driving screw can ensure that the driving screw can still be affected by the force of the transmission rod when it rotates. When the drying plates on both sides are close to each other, the desiccant can be more in contact with the natural gas and hydrogen, so as to achieve a better drying effect.

Description

Technical Field

[0001] The invention belongs to the technical field of natural gas mixing, and specifically refers to a flow-adjustable natural gas hydrogen blending device. Background Art

[0002] Natural gas hydrogen blending refers to the process of adding hydrogen to natural gas to make it a mixed gas. Natural gas is a natural product, mainly composed of hydrocarbons such as methane, and contains other impurities such as ethylene, nitrogen and carbon dioxide. The hydrogen blending process can be carried out in a variety of ways, such as directly injecting hydrogen into a pipeline, or through mixed gas hydrogen storage and other technologies.

[0003] However, in the gas mixing process, since natural gas contains water, it is difficult to dry it. In addition, solid particles are easily mixed into natural gas and hydrogen, which affects the purity of natural gas. Existing equipment is difficult to handle solid particles. Therefore, a flow-adjustable natural gas hydrogen mixing device is needed to solve the above problems. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention proposes a flow-adjustable natural gas hydrogen blending device to solve the problem that the existing natural gas hydrogen blending equipment is difficult to dry and difficult to process solid particles.

[0005] The technical solution adopted by the present invention is as follows: The present invention proposes a flow-adjustable natural gas hydrogen blending device, comprising an operating drum and a drying drum, a first sleeve and a second sleeve are installed on both sides of the operating drum, the operating drum is rotatably connected to the first sleeve and the second sleeve, the first sleeve is connected to one end of the air inlet pipe, and the other end of the air inlet pipe is connected to the blower, a dehumidification sleeve is fixedly connected to the outer wall of the operating drum, the interior of the dehumidification sleeve is cavity-shaped, a water outlet is provided on the drum wall of the operating drum, a water-permeable membrane is installed at the water outlet, the water outlet is connected to the internal cavity of the dehumidification sleeve, a gear ring is fixedly connected to the outer wall of the middle section of the operating drum, a supporting transmission gear is provided obliquely below the gear ring, the supporting transmission gear is meshed with the gear ring, a stirring shaft is provided in the operating drum, both ends of the stirring shaft are rotatably connected to the first sleeve and the second sleeve, and a stirring rod is installed on the stirring shaft.

[0006] As a preferred technical solution of the present invention, the support transmission gear is arranged on both sides of the gear ring, the support transmission gear is installed on the transmission shaft, both ends of the transmission shaft are rotationally connected with the support vertical plate, and a drive motor is installed on the support vertical plate, and the drive motor is rotationally connected with the transmission shaft on one side.

[0007] The dehumidification ring is arranged on both sides of the supporting transmission gear, a dehumidification pipe is installed on the dehumidification ring, and the bottom of the dehumidification ring is connected to the ring base.

[0008] Preferably, a feed pipe is installed on the first sleeve, and the bottoms of the first sleeve and the second sleeve are connected to the sleeve base.

[0009] Among them, a stirring motor is installed on the outer wall of the second sleeve, and the stirring motor is rotationally connected to the stirring shaft. A discharge pipe is installed on the outer wall of the second sleeve, and the discharge pipe is U-shaped. The second sleeve is connected to the pipe openings at both ends of the discharge pipe. A discharge valve is installed at the connection between the second sleeve and the discharge pipe, and the middle section of the discharge pipe is connected to one end of the conveying pipe.

[0010] As a preferred technical solution of the present invention, the other end of the conveying pipe is connected to the conveying pump, the conveying pump is installed on the outer wall of the drying cylinder, the drying cylinder is horizontally arranged, a suction fan is installed on the top of the drying cylinder, the bottom of the drying cylinder is connected to one end of the collecting pipe, the other end of the collecting pipe is connected to the collecting pump, and a discharge valve is installed at the connection between the drying cylinder and the collecting pipe.

[0011] Among them, two groups of drying plates are arranged in the drying cylinder, sponge plates are installed on the drying plates, soft magnetic plates are installed on the sponge plates, sliding sealing rings are installed on the drying plates, and the sliding sealing rings are kept in sliding connection with the inner wall of the drying cylinder. The two groups of drying plates are arranged symmetrically, and the drying plates are closer to the end of the drying cylinder than the soft magnetic plates. The two groups of soft magnetic plates can be adsorbed to each other by magnetic adsorption force.

[0012] Among them, the drying plate is connected to one end of the transmission screw, and a connecting ball head is installed at the other end of the transmission screw. A limiting screw ring is mounted on the transmission screw, and the limiting screw ring is threadedly connected to the transmission screw. Fixed rods are installed on both sides of the limiting screw ring. The other end of the fixed rod is fixedly connected to the inner wall of the drying cylinder. The connecting ball head is arranged in a ball head connecting seat. The connecting ball head can rotate freely in the ball head connecting seat. The ball head connecting seat is installed at one end of the transmission rod. A desiccant is also provided on the drying plate.

[0013] Preferably, the other end of the transmission rod is rotationally connected to one end of the driving rod, and the other end of the driving rod is rotationally connected to the side bracket, on which an extrusion motor is mounted, and the driving motor is rotationally connected to one end of the driving rod.

[0014] As a preferred technical solution of the present invention, the bottom of the drying cylinder is connected to the middle bracket.

[0015] The flow-adjustable natural gas hydrogen blending device proposed in the present invention solves the problem that the existing natural gas hydrogen blending equipment is difficult to dry and process solid particles, and has the following beneficial effects:

[0016] (1) The present invention can start the blower to deliver natural gas and hydrogen into the operating drum through the air inlet pipe, and the flow rate can be adjusted by adjusting the blower.

[0017] (2) The moisture in the mixing process passes through the water-permeable membrane and the water outlet into the dehumidification ring. At this time, the dehumidification pipe is connected to the external negative pressure unit to extract the moisture in the dehumidification ring.

[0018] (3) Natural gas and hydrogen are transported into the drying cylinder. At this time, the extrusion motor is started, which drives the drive rod to rotate. The drive rod drives the drive screw to extend and retract along the limit screw ring through the transmission rod. Since the drive screw and the limit screw ring are threadedly connected, the drive screw will also rotate when it moves horizontally to the left and right. The connecting ball head and the drive screw can ensure that the drive screw can still be affected by the force of the transmission rod when it rotates. When the drying plates on both sides are close to each other, the desiccant can come into contact with more natural gas and hydrogen, achieving a better drying effect.

[0019] (4) After the soft magnetic plates on both sides come into contact with each other, the adsorption force can be used to enhance the squeezing force of the drying plate on the solid impurities in the natural gas and hydrogen, so that the heating area of ​​the solid impurities is larger. At the same time, the sponge plate can prevent the drying plates from being damaged after colliding with each other, thus playing a role of buffering protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a flow-adjustable natural gas hydrogen blending device proposed by the present invention;

[0021] Figure 2 A top view of a flow-adjustable natural gas hydrogen blending device proposed by the present invention;

[0022] Figure 3 This is a schematic diagram of the overall structure of the operating drum proposed by the present invention;

[0023] Figure 4 A cross-sectional view of the operating drum proposed by the present invention;

[0024] Figure 5 for Figure 4 A partial enlarged view of part A;

[0025] Figure 6 A cross-sectional view of the drying cylinder proposed by the present invention;

[0026] Figure 7 This is a schematic diagram of the overall structure of the transmission screw and the limiting screw ring proposed by the present invention;

[0027] Figure 8 This is a cross-sectional view of the drying plate proposed by the present invention.

[0028] Among them, 1. operating roller, 101. first sleeve, 102. second sleeve, 103. sleeve base, 104. gear ring, 105. supporting transmission gear, 106. transmission shaft, 107. supporting vertical plate, 108. driving motor, 109. dehumidification sleeve, 110. dehumidification pipe, 111. sleeve base, 112. water outlet, 113. water permeable membrane, 114. feed pipe, 115. air inlet pipe, 116. blower, 117. stirring shaft, 118. stirring rod, 119. stirring motor, 120. discharge valve, 12 1. Discharge pipe, 122. Conveying pipe, 2. Drying cylinder, 201. Suction fan, 202. Conveying pump, 203. Unloading valve, 204. Collecting pipe, 205. Collecting pump, 206. Drying plate, 207. Sponge plate, 208. Soft magnetic plate, 209. Sliding sealing ring, 210. Transmission screw, 211. Limiting screw ring, 212. Fixing rod, 213. Connecting ball head, 214. Ball head connecting seat, 215. Transmission rod, 216. Driving rod, 217. Extrusion motor, 218. Side bracket, 219. Middle bracket.

[0029] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0031] like Figure 1-Figure 8As shown, the present invention proposes a flow-adjustable natural gas hydrogen mixing device, comprising an operating drum 1 and a drying drum 2, a first sleeve 101 and a second sleeve 102 are installed on both sides of the operating drum 1, the operating drum 1 is rotatably connected to the first sleeve 101 and the second sleeve 102, a blower 116 is provided on the ground, one end of the blower 116 is connected to an air inlet pipe 115, the first sleeve 101 is connected to the other end of the air inlet pipe 115, a dehumidification sleeve 109 is fixedly connected to the outer wall of the operating drum 1, the interior of the dehumidification sleeve 109 is in a cavity shape, a water outlet 112 is provided on the cylinder wall of the operating drum 1, and a water-permeable Membrane 113, the water outlet 112 is connected to the internal cavity of the dehumidification sleeve 109, a gear ring 104 is fixedly connected to the outer wall of the middle section of the operating drum 1, and a supporting vertical plate 107 is also provided on the ground. A transmission shaft 106 is rotatably provided between the supporting vertical plates 107, and a supporting transmission gear 105 is installed on the transmission shaft 106. The supporting transmission gear 105 is arranged at an angle below the gear ring 104, and the supporting transmission gear 105 is meshed with the gear ring 104. A stirring shaft 117 is provided in the operating drum 1, and both ends of the stirring shaft 117 are rotatably connected to the first sleeve 101 and the second sleeve 102, and a stirring rod 118 is installed on the stirring shaft 117.

[0032] like Figure 3 As shown, the supporting transmission gears 105 are arranged on both sides of the gear ring 104, and the driving motor 108 is installed on the supporting vertical plate 107. The output end of the driving motor 108 is coaxially connected to the transmission shaft 106 on one side.

[0033] like Figure 3-Figure 5 As shown, the dehumidification ring 109 is arranged on both sides of the supporting transmission gear 105 , a dehumidification pipe 110 is installed on the dehumidification ring 109 , a ring base 111 is provided on the ground, and the bottom of the dehumidification ring 109 is connected to the ring base 111 .

[0034] like Figure 3 and Figure 4 As shown, a feed pipe 114 is installed on the first sleeve 101 , a sleeve base 103 is provided on the ground, and the bottoms of the first sleeve 101 and the second sleeve 102 are connected to the sleeve base 103 .

[0035] like Figure 1-Figure 4 As shown, a stirring motor 119 is installed on the outer wall of the second sleeve 102, and the output end of the stirring motor 119 is coaxially connected to the stirring shaft 117. A discharge pipe 121 is installed on the outer wall of the second sleeve 102. The discharge pipe 121 is U-shaped. The second sleeve 102 is connected to the pipe openings at both ends of the discharge pipe 121. A discharge valve 120 is installed at the connection between the second sleeve 102 and the discharge pipe 121, and a conveying pipe 122 is provided on the middle section of the discharge pipe 121.

[0036] like Figure 1 , Figure 2 and Figure 6 As shown, the other end of the delivery pipe 122 is connected to a delivery pump 202, which is installed on the outer wall of the drying cylinder 2. The drying cylinder 2 is horizontally arranged, and a suction fan 201 is installed on the top of the drying cylinder 2. The bottom of the drying cylinder 2 is connected to a collecting pipe 204, and the other end of the collecting pipe 204 is connected to a collecting pump 205. A discharge valve 203 is installed at the connection between the drying cylinder 2 and the collecting pipe 204.

[0037] like Figure 6-Figure 8 As shown, two groups of drying plates 206 are provided in the drying cylinder 2, sponge plates 207 are installed on the drying plates 206, soft magnetic plates 208 are installed on the sponge plates 207, sliding sealing rings 209 are mounted on the circumferential outer walls of the drying plates 206, sponge plates 207 and soft magnetic plates 208, and the sliding sealing rings 209 are kept in sliding connection with the inner wall of the drying cylinder 2, the two groups of drying plates 206 are arranged symmetrically, the drying plates 206 are closer to the end of the drying cylinder 2 than the soft magnetic plates 208, and desiccant is also provided on the drying plates 206.

[0038] like Figure 6 and Figure 7 As shown, a transmission screw 210 is fixedly connected to the drying plate 206, and a connecting ball head 213 is installed at the other end of the transmission screw 210. A limiting screw ring 211 is set on the transmission screw 210, and the limiting screw ring 211 is threadedly connected to the transmission screw 210. Fixed rods 212 are installed on both sides of the limiting screw ring 211, and the other end of the fixed rod 212 is connected to the inner wall of the drying cylinder 2. The connecting ball head 213 is connected to a ball head connecting seat 214 by a ball joint, and a transmission rod 215 is installed on the ball head connecting seat 214.

[0039] like Figure 6 and Figure 7 As shown, the other end of the transmission rod 215 is rotatably connected to a driving rod 216, and the other end of the driving rod 216 is rotatably connected to a side bracket 218. An extrusion motor 217 is installed on the side bracket 218, and the output end of the extrusion motor 217 is coaxially connected to the other end of the driving rod 216.

[0040] like Figure 6 As shown, an intermediate bracket 219 is fixedly provided at the bottom of the drying cylinder 2.

[0041] During specific use, the user delivers natural gas and hydrogen into the operating drum 1 through the feed pipe 114, starts the blower 116, and delivers natural gas and hydrogen into the operating drum 1 through the air inlet pipe 115. The flow rate is adjustable by adjusting the blower 116. At the same time, the drive motor 108 and the stirring motor 119 are started. The drive motor 108 drives the supporting transmission gear 105 on the transmission shaft 106 to rotate, and the supporting transmission gear 105 drives the gear ring 104 to rotate. The gear ring 104 drives the operating drum 1 to rotate, thereby increasing the contact area between the wind and the natural gas and the hydrogen. At the same time, the stirring motor 119 drives the stirring shaft 117 to rotate, so that the stirring rod 118 rotates to improve the mixing effect. The moisture in the mixing process passes through the water-permeable membrane 113 and the water outlet 11 2 enters the dehumidification sleeve 109, and at this time, the dehumidification pipe 110 is connected to the external negative pressure unit to extract the moisture in the dehumidification sleeve 109; the discharge valve 120 is opened, and the delivery pump 202 is started to generate negative pressure in the discharge pipe 121 and the delivery pipe 122, so that the natural gas and hydrogen are delivered into the drying cylinder 2, and the extrusion motor 217 is started at this time, and the extrusion motor 217 drives the driving rod 216 to rotate, and the driving rod 216 drives the driving screw 210 to extend and retract along the limiting screw ring 211 through the transmission rod 215. Since the driving screw 210 is threadedly connected with the limiting screw ring 211, when the driving screw 210 moves horizontally to the left and right, it will also rotate, which can drive the drying plate 206 to move and rotate, and more fully contact with the natural gas and hydrogen. The connection between the ball head 213 and the transmission screw 210 can ensure that the transmission screw 210 can still be subjected to the force of the transmission rod 215 when rotating. When the drying plates 206 on both sides are close to each other, the desiccant can be in contact with the natural gas and hydrogen more, so as to achieve a better drying effect. At the same time, when the drying plates 206 are close to each other and rotate, the solid impurities can be evenly contacted with the soft magnetic plate 208 during the movement, which greatly improves the drying efficiency. After the soft magnetic plates 208 on both sides are close to each other, the two groups of soft magnetic plates 208 are bent and arched, so that the solid impurities in the natural gas and hydrogen can expand and move, so that the heating area of ​​the solid impurities is larger. At the same time, the sponge plate 207 can prevent the drying plates 206 from being damaged after colliding with each other, and play a role of buffer protection. When the drying plates 206 are away from each other, the suction force between the soft magnetic plates 208 can cause the surfaces of the soft magnetic plates 208 and the sponge plates 207 to expand, making it easier for solid impurities adhering to the soft magnetic plates 208 to detach from the soft magnetic plates 208. At the same time, the suction fan 201 is started, and the suction fan 201 extracts the moisture in the drying cylinder 2. A water-permeable membrane 113 needs to be added to the suction fan 201 to prevent the solid impurity powder from passing through the suction fan 201. After the solid impurity powder in the drying cylinder 2 is dried, the discharge valve 203 is opened, and the collection pump 205 is started. The solid impurity powder is transported out of the drying cylinder 2 through the collection pipe 204 and then collected. The above is the overall working process of the present invention, and this step can be repeated the next time it is used.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] The present invention and its embodiments are described above, which is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention, they should all fall within the protection scope of the present invention.

Claims

1. A flow-adjustable natural gas hydrogen blending device, comprising an operating drum (1) and a drying drum (2), characterized in that: A first sleeve (101) and a second sleeve (102) are installed on both sides of the operating drum (1), and the operating drum (1) is rotatably connected to the first sleeve (101) and the second sleeve (102). A blower (116) is provided on the ground, and one end of the blower (116) is connected to an air inlet pipe (115), and the first sleeve (101) is connected to the other end of the air inlet pipe (115). A dehumidification sleeve (109) is fixedly connected to the outer wall of the operating drum (1), and the interior of the dehumidification sleeve (109) is in the shape of a cavity. A water outlet (112) is provided on the wall of the operating drum (1), and a water-permeable membrane (113) is installed at the water outlet (112). The water outlet (112) is connected to the dehumidification sleeve (109). 9), a gear ring (104) is fixedly connected to the outer wall of the middle section of the operating drum (1), a support vertical plate (107) is also provided on the ground, a transmission shaft (106) is rotatably provided between the support vertical plates (107), a support transmission gear (105) is mounted on the transmission shaft (106), the support transmission gear (105) is arranged obliquely below the gear ring (104), the support transmission gear (105) is meshedly connected with the gear ring (104), a stirring shaft (117) is provided inside the operating drum (1), two ends of the stirring shaft (117) are rotatably connected to the first sleeve (101) and the second sleeve (102), and a stirring rod (118) is mounted on the stirring shaft (117); Two groups of drying plates (206) are provided in the drying cylinder (2), a sponge plate (207) is mounted on the drying plate (206), a soft magnetic plate (208) is mounted on the sponge plate (207), a sliding sealing ring (209) is sleeved on the circumferential outer wall of the drying plate (206), the sponge plate (207) and the soft magnetic plate (208), the sliding sealing ring (209) is kept in sliding connection with the inner wall of the drying cylinder (2), the two groups of drying plates (206) are arranged symmetrically, the drying plates (206) are closer to the end of the drying cylinder (2) than the soft magnetic plate (208), and a desiccant is also provided on the drying plates (206); A transmission screw (210) is fixedly connected to the drying plate (206), a connecting ball head (213) is installed on the other end of the transmission screw (210), a limiting screw ring (211) is sleeved on the transmission screw (210), the limiting screw ring (211) is threadedly connected to the transmission screw (210), fixing rods (212) are installed on both sides of the limiting screw ring (211), the other end of the fixing rod (212) is connected to the inner wall of the drying cylinder (2), the connecting ball head (213) is connected to a ball head connecting seat (214) through a ball joint, and a transmission rod (215) is installed on the ball head connecting seat (214); The other end of the transmission rod (215) is rotatably connected to a driving rod (216), and the other end of the driving rod (216) is rotatably connected to a side bracket (218). An extrusion motor (217) is mounted on the side bracket (218), and the output end of the extrusion motor (217) is coaxially connected to the other end of the driving rod (216).

2. A flow-adjustable natural gas hydrogen blending device according to claim 1, characterized in that: The supporting transmission gear (105) is arranged on both sides of the gear ring (104); a driving motor (108) is installed on the supporting vertical plate (107); and an output end of the driving motor (108) is coaxially connected to a transmission shaft (106) on one side.

3. A flow-adjustable natural gas hydrogen blending device according to claim 2, characterized in that: The dehumidification collar (109) is arranged on both sides of the supporting transmission gear (105); a dehumidification pipe (110) is installed on the dehumidification collar (109); a collar base (111) is provided on the ground; and the bottom of the dehumidification collar (109) is connected to the collar base (111).

4. The flow-adjustable natural gas hydrogen blending device according to claim 3, characterized in that: A feed pipe (114) is installed on the first sleeve (101), a sleeve base (103) is provided on the ground, and the bottoms of the first sleeve (101) and the second sleeve (102) are connected to the sleeve base (103).

5. The flow-adjustable natural gas hydrogen blending device according to claim 4, characterized in that: A stirring motor (119) is installed on the outer wall of the second sleeve (102), and the output end of the stirring motor (119) is coaxially connected to the stirring shaft (117). A discharge pipe (121) is installed on the outer wall of the second sleeve (102), and the discharge pipe (121) is arranged in a U shape. The second sleeve (102) is connected to the pipe openings at both ends of the discharge pipe (121). A discharge valve (120) is installed at the connection between the second sleeve (102) and the discharge pipe (121), and a conveying pipe (122) is provided on the middle section of the discharge pipe (121).

6. The flow-adjustable natural gas hydrogen blending device according to claim 5, characterized in that: The other end of the delivery pipe (122) is connected to a delivery pump (202), and the delivery pump (202) is installed on the outer wall of the drying cylinder (2). The drying cylinder (2) is arranged horizontally, and a suction fan (201) is installed on the top of the drying cylinder (2). The bottom of the drying cylinder (2) is connected to a collecting pipe (204), and the other end of the collecting pipe (204) is connected to a collecting pump (205). A discharge valve (203) is installed at the connection between the drying cylinder (2) and the collecting pipe (204).

7. The flow-adjustable natural gas hydrogen blending device according to claim 6, characterized in that: An intermediate bracket (219) is fixedly provided at the bottom of the drying cylinder (2).

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