Tail gas filtering device for producing hydrogen from hydrogen-rich tail gas

By designing a tail gas filtration device for hydrogen production from hydrogen-rich tail gas, and adopting a stirring rod and piston plate structure, the problems of impurity filtration and hydrogen discharge collection in the existing technology of stirring solution and hydrogen-rich tail gas are solved, and effective impurity filtration and hydrogen collection are achieved.

CN223628320UActive Publication Date: 2025-12-05YANTAI MINGJU NEW ENERGY CO LTD
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Patent Information

Application Number
CN202423242605.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-05
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Existing technologies lack a filtration device that can simultaneously stir the solution and produce hydrogen-rich exhaust gas, thereby filtering impurities while facilitating the discharge and collection of hydrogen.

Method used

A tail gas filtration device for hydrogen production from hydrogen-rich tail gas was designed. It adopts a stirring rod and piston plate structure. The stirring rod stirs the solution and hydrogen-rich tail gas, and the piston plate realizes the gas pressure change. Combined with motor drive, it realizes impurity filtration and hydrogen collection.

Benefits of technology

It achieves effective impurity filtration of the stirred solution and hydrogen-rich tail gas, and facilitates the discharge and collection of hydrogen gas. It is simple to operate and easy to use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a tail gas filtering device for producing hydrogen from hydrogen-rich tail gas, which comprises a hollow treatment tank, a filtering device and a filtering device, the air inlet pipe is in sealed connection with the treatment tank, and the lower end of the air inlet pipe is tightly attached to a bottom plate of the treatment tank; the exhaust pipe is hermetically connected with the treatment tank; the motor is connected with the treatment tank, an output shaft of the motor penetrates through a top plate of the treatment tank, the output shaft of the motor is connected with a mounting frame, and the mounting frame is connected with symmetrical lower guide rods; the symmetrical lower guide rods respectively penetrate through the mounting strip; the stirring shaft and the bearing are connected with the mounting strip. The utility model relates to the technical field of filtering devices, in particular to a tail gas filtering device for producing hydrogen from hydrogen-rich tail gas. Aiming at the defects in the prior art, the tail gas filtering device for producing hydrogen from the hydrogen-rich tail gas is developed, and the tail gas filtering device can conveniently realize the stirring of a solution and the hydrogen-rich tail gas, and can conveniently realize the discharge and collection of hydrogen while realizing the impurity filtering.
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Description

TECHNICAL FIELD

[0001] The utility model relates to filter device technical field especially relates to tail gas filter device for hydrogen production of hydrogen -rich tail gas. BACKGROUND

[0002] In the hydrogen production process of hydrogen -rich tail gas, tail gas filter device plays a vital role. Tail gas filter device is an important component in hydrogen production system of hydrogen -rich tail gas, and its main function is to filter and purify the tail gas generated in the hydrogen production process to remove impurities and harmful substances in it, ensure that tail gas emission meets environmental protection standards, and as far as possible recycle and utilize hydrogen resources in tail gas. For example, a large amount of hydrogen waste gas is generated in the oil refining hydrogenation process, and after the waste gas is treated by adopting tail gas filter device, most of the hydrogen is successfully recovered and the harmful substances in it are removed, realizing the recycling of resources and environmental emission.

[0003] Prior art, for example, a kind of tail gas filter device, authorized announcement number is CN221085106U. Under the action of inclined plate, gas can slowly move in liquid to further filter, and when filtering gas, driving motor is started to make the output shaft of driving motor drive rotating rod rotation, and under the rotation of rotating rod, stirring rod rotates, and under the action of stirring rod, the gas chamber formed by tail gas in water can be dispersed and reorganized, so that tail gas can be further filtered to increase the filtering effect and improve the quality of tail gas filtration.

[0004] At present, there is still a lack of a filter device that can conveniently realize the mixing of solution and hydrogen -rich tail gas, and the filtration of impurities while conveniently realizing the discharge and collection of hydrogen.

[0005] Therefore, in view of the above problems, a tail gas filter device for hydrogen production of hydrogen -rich tail gas is proposed to solve the above problems. SUMMARY

[0006] The utility model is developed in view of the deficiency of prior art, and tail gas filter device for hydrogen production of hydrogen -rich tail gas is developed, which can conveniently realize the mixing of solution and hydrogen -rich tail gas, and the filtration of impurities while conveniently realizing the discharge and collection of hydrogen.

[0007] The utility model solves technical matter's technical scheme for: the utility model provides tail gas filter device for hydrogen -rich tail gas hydrogen production, include: processing jar, hollow in it; air inlet pipe, sealing connection processing jar, the lower extreme of air inlet pipe is close to the bottom plate of processing jar; exhaust pipe, sealing connection processing jar; motor, connection processing jar, the output shaft of motor passes through the top plate of processing jar, the output shaft of motor is connected mounting bracket, the mounting bracket is connected symmetry lower guide rod; installation strip, symmetry lower guide rod respectively passes through installation strip; stirring axle, bearing connection installation strip, stirring axle is connected a group evenly distributed stirring rod. Air inlet pipe is passed into to solution in hydrogen -rich tail gas, stirring rod stirs stirring solution and hydrogen -rich tail gas, realizes impurity filtration, is discharged by exhaust pipe, realizes gas collection.

[0008] As optimization, the mounting bracket bearing connects the central shaft of the symmetrical rotating disc, the eccentric part of the symmetrical rotating disc is respectively connected with the power rod, the symmetrical power rod is arranged in the horizontal groove, the symmetrical horizontal groove is respectively connected with the vertical rod, the symmetrical vertical rod respectively passes through the mounting bracket, and the symmetrical vertical rod is respectively connected with the installation strip. By arranging the power rod in the horizontal groove, when the rotating disc rotates, the stirring rod moves along the height direction.

[0009] As optimization, the top plate of the processing jar is connected with the symmetrical mounting circular rod, the symmetrical mounting circular rod is respectively connected with the large bevel gear, the central shaft of the symmetrical rotating disc is respectively connected with the small bevel gear, and the symmetrical small bevel gears are respectively engaged with the large bevel gears. By adopting bevel gear engagement, the rotating disc rotates.

[0010] As optimization, the stirring shaft bearing connects the piston plate, the air inlet pipe passes through the piston plate, the piston plate matches the processing jar, the piston plate is connected with the intermediate pipe, and the intermediate pipe is arranged in the exhaust pipe. By adopting the piston plate, the one-way valve is installed in the intermediate pipe, when the piston plate moves downward, the gas is extruded, and the gas is conveniently discharged from the exhaust pipe through the intermediate pipe.

[0011] As optimization, the processing jar is connected with the symmetrical upper guide rod, the symmetrical upper guide rod respectively passes through the piston plate, and the movement of the piston plate along the height direction is facilitated.

[0012] As optimization, the processing jar is fixedly connected with the unloading valve, and the liquid is conveniently discharged.

[0013] As optimization, the processing jar is connected with the mounting bracket.

[0014] The effect provided in the utility model content is only the effect of the embodiment, not all the effects of the utility model, and the above technical scheme has the following advantages or beneficial effects:

[0015] (1) the device by using the stirring rod, stirring rod along the height direction moving while rotating, realize the stirring solution and hydrogen-rich tail gas, realize the impurity filtration.

[0016] (2) the device by using the piston plate, piston plate along the height direction moving, realize the processing tank gas pressure change, facilitate the realization of the hydrogen after processing.

[0017] (3) the device by motor drive, realize the movement of the stirring rod and piston plate, simple operation, convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not constitute a limitation of the present application.

[0019] Figure 1 is the three-dimensional structure schematic diagram of the present application.

[0020] Figure 2 is the local three-dimensional structure schematic diagram of the present application Figure One .

[0021] Figure 3 is the local three-dimensional structure schematic diagram of the present application Figure Two .

[0022] Figure 4 is the local sectional three-dimensional structure schematic diagram of the present application.

[0023] Figure 5 is the local three-dimensional structure schematic diagram of the present application Figure Three .

[0024] In the figure: 1, exhaust pipe, 2, motor, 3, inlet pipe, 4, processing tank, 5, upper guide rod, 6, intermediate pipe, 7, piston plate, 8, stirring shaft, 9, stirring rod, 10, installation round rod, 11, large bevel gear, 12, small bevel gear, 13, turntable, 14, horizontal groove, 15, power rod, 16, vertical rod, 17, mounting frame, 18, installation strip, 19, lower guide rod, 20, mounting bracket, 21, discharge valve. DETAILED DESCRIPTION

[0025] For the purpose of clearly illustrating the technical features of the present application, the present application will be described in detail below with specific embodiments and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples to implement the different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. In addition, the present application can repeatedly refer to numbers and / or letters in different examples. Such repetition is for the purpose of simplification and clarity, and in itself does not indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The present application omits the description of known components and processing techniques and processes to avoid unnecessary limitation of the present application. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be a fixed connection, or a detachable connection, or an integral connection; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] As shown in Figures 1 to 5 Embodiment one: tail gas filter device for hydrogen production from hydrogen-rich tail gas, comprising: a processing tank 4, which is hollow; an air inlet pipe 3, which is sealingly connected to the processing tank 4, the lower end of the air inlet pipe 3 being in close contact with the bottom plate of the processing tank 4; an air outlet pipe 1, which is sealingly connected to the processing tank 4; a motor 2, which is connected to the processing tank 4, the output shaft of the motor 2 penetrating the top plate of the processing tank 4, the output shaft of the motor 2 being connected to a mounting bracket 17, the mounting bracket 17 being connected to symmetrical lower guide rods 19; mounting strips 18, through which the symmetrical lower guide rods 19 pass respectively; a stirring shaft 8, which is bearing-connected to the mounting strips 18, the stirring shaft 8 being connected to a set of uniformly distributed stirring rods 9. The hydrogen-rich tail gas is introduced into the solution through the air inlet pipe 3, the stirring rods 9 stir the solution and the hydrogen-rich tail gas, impurities are filtered out, and the gas is discharged through the air outlet pipe 1, realizing gas collection.

[0027] The model of the motor 2 is YLJ100.

[0028] The mounting frame 17 is bearing connected to the center shaft of the symmetrical rotating disc 13, the eccentric of the symmetrical rotating disc 13 is respectively connected to the power rod 15, the symmetrical power rod 15 is respectively arranged in the horizontal groove 14, the symmetrical horizontal groove 14 is respectively connected to the vertical rod 16, the symmetrical vertical rod 16 is respectively penetrated through the mounting frame 17, and the symmetrical vertical rod 16 is respectively connected to the mounting strip 18. By arranging the power rod 15 in the horizontal groove 14, the stirring rod 9 and the like are moved along the height direction when the rotating disc 13 rotates.

[0029] The top plate of the treatment tank 4 is connected to the symmetrical mounting round rod 10, the symmetrical mounting round rod 10 is respectively connected to the large bevel gear 11, the center shaft of the symmetrical rotating disc 13 is respectively connected to the small bevel gear 12, and the symmetrical small bevel gear 12 is respectively engaged with the large bevel gear 11. By adopting the bevel gear engagement, the rotating disc 13 is rotated.

[0030] The treatment tank 4 is fixedly connected to the discharge valve 21, so as to facilitate discharging the liquid.

[0031] The treatment tank 4 is connected to the mounting bracket 20.

[0032] The working flow of the embodiment is as follows:

[0033] The appropriate amount of solution is added into the treatment tank 4, so as to treat the hydrogen-rich tail gas.

[0034] The gas inlet pipe 3 is connected to the gas source by a hose at one end and connected to the gas inlet pipe 3 at the other end. The gas outlet pipe 1 is connected to the collection system by a hose at one end and connected to the gas outlet pipe 1 at the other end.

[0035] The motor 2 is turned on, the motor 2 drives the mounting frame 17, the lower guide rod 19, the rotating disc 13, the power rod 15, the small bevel gear 12, the horizontal groove 14, the vertical rod 16, the mounting strip 18, the stirring shaft 8 and the stirring rod 9 to rotate, the small bevel gear 12 is engaged with the large bevel gear 11 to rotate, the small bevel gear 12 drives the rotating disc 13 to rotate, the rotating disc 13 drives the power rod 15 to swing in the horizontal groove 14, the power rod 15 drives the horizontal groove 14 to reciprocate, the horizontal groove 14 drives the vertical rod 16 to reciprocate, the vertical rod 16 drives the mounting strip 18 to reciprocate along the lower guide rod 19, the mounting strip 18 drives the stirring shaft 8 and the stirring rod 9 to reciprocate along the height direction, the tail gas enters the treatment tank 4 through the gas inlet pipe 3, the stirring rod 9 stirs the gas and the solution, the tail gas is treated, and the treated gas enters the collection system through the gas outlet pipe 1.

[0036] Embodiment two: this embodiment is based on embodiment one, the stirring shaft 8 bearing connecting piston plate 7, the air inlet pipe 3 through the piston plate 7, the piston plate 7 matches the processing tank 4, the piston plate 7 connects the intermediate pipe 6, the intermediate pipe 6 is arranged in the exhaust pipe 1. By using piston plate 7, the intermediate pipe 6 is provided with a one-way valve, when the piston plate 7 moves downward, the gas is extruded, and the gas is discharged from the exhaust pipe 1 through the intermediate pipe 6.

[0037] The processing tank 4 is connected with symmetrical upper guide rods 5, and the symmetrical upper guide rods 5 pass through the piston plate 7 respectively, so that the piston plate 7 can move along the height direction.

[0038] The working process of the embodiment is as follows:

[0039] The stirring shaft 8 drives the piston plate 7 to move along the air inlet pipe 3 and the upper guide rod 5, and when the piston plate 7 moves downward, the piston plate 7 drives the intermediate pipe 6 to reciprocate, so that the gas is accelerated to be discharged from the exhaust pipe 1 through the intermediate pipe 6.

[0040] Although the specific embodiments of the utility model are described above with reference to the drawings, it is not a limitation on the protection scope of the utility model, and various modifications or deformations made by those skilled in the art on the basis of the technical scheme of the utility model without creative labor are still within the protection scope of the utility model.

Claims

1. A tail gas filter device for hydrogen production from hydrogen-rich tail gas, characterized by, It includes: A processing tank (4) which is hollow inside; An air inlet pipe (3) which is connected to the processing tank (4) in a sealed way, the lower end of the air inlet pipe (3) being close to the bottom plate of the processing tank (4); An air outlet pipe (1) which is connected to the processing tank (4) in a sealed way; A motor (2) which is connected to the processing tank (4), the output shaft of the motor (2) penetrating the top plate of the processing tank (4), the output shaft of the motor (2) being connected to a mounting bracket (17), the mounting bracket (17) being connected to symmetrical lower guide rods (19); Mounting strips (18) through which the symmetrical lower guide rods (19) penetrate respectively; A stirring shaft (8) which is connected to the mounting strips (18) in a bearing way, the stirring shaft (8) being connected to a group of uniformly distributed stirring rods (9).

2. The hydrogen-rich tail gas filtering device for hydrogen production according to claim 1, characterized in that: The mounting bracket (17) is connected to the central shafts of symmetrical rotating discs (13) in a bearing way, the eccentric parts of the symmetrical rotating discs (13) being connected to power rods (15) respectively, the symmetrical power rods (15) being arranged in transverse grooves (14) respectively, the symmetrical transverse grooves (14) being connected to vertical rods (16) respectively, the symmetrical vertical rods (16) penetrating the mounting bracket (17) respectively, the symmetrical vertical rods (16) being connected to the mounting strips (18) respectively.

3. The hydrogen-rich tail gas filtering device for hydrogen production according to claim 2, characterized in that: The top plate of the processing tank (4) is connected to symmetrical mounting circular rods (10), the symmetrical mounting circular rods (10) being connected to bevel gears (11) respectively, the central shafts of the symmetrical rotating discs (13) being connected to pinion gears (12) respectively, the symmetrical pinion gears (12) engaging the bevel gears (11) respectively.

4. The hydrogen-rich tail gas filtering device for hydrogen production according to claim 1, characterized in that: The stirring shaft (8) is connected to a piston plate (7) in a bearing way, the air inlet pipe (3) penetrating the piston plate (7), the piston plate (7) matching the processing tank (4), the piston plate (7) being connected to an intermediate pipe (6), the intermediate pipe (6) being arranged in the air outlet pipe (1).

5. The hydrogen-rich tail gas filtering device for hydrogen production according to claim 4, characterized in that: The processing tank (4) is connected to symmetrical upper guide rods (5), the symmetrical upper guide rods (5) penetrating the piston plate (7) respectively.

6. The hydrogen-rich tail gas filtering device for hydrogen production according to claim 1, characterized in that: The processing tank (4) is fixedly connected to a discharge valve (21).

7. The hydrogen-rich tail gas filtering device for hydrogen production according to claim 1, characterized in that: The processing tank (4) is connected to a mounting bracket (20).

Citation Information

Patent Citations

  • Tail gas filtering device

    CN221085106U