Hydrogen recycling fan of hydrogen recovery device

By installing an air intake device and a hydrogen detector in the hydrogen recovery device, the problem of hydrogen residue and leakage in the hydrogen recovery circulation fan is solved, ensuring safety and stability and reducing operational risks.

CN223318128UActive Publication Date: 2025-09-09MUDANJIANG HONGYUAN PURIFICATION EQUIP CO LTD
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Patent Information

Application Number
CN202422716265.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-09-09
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

There is a risk of explosion caused by residual hydrogen in the existing hydrogen recovery circulation fan, and there is a lack of effective hydrogen leak detection methods, which affects operational safety.

Method used

A hydrogen recirculation blower for a hydrogen recovery device was designed, which includes a base, an air suction device, a detection device and a docking device. The air inside the blower is extracted by an air pump and a hydrogen detector for detection to ensure timely detection and treatment of hydrogen leaks.

Benefits of technology

It achieves early detection and treatment of hydrogen leaks, avoids safety risks caused by residual hydrogen, and improves operator safety and system stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The hydrogen recycling fan of the hydrogen recycling device comprises a hydrogen recycling fan body, a base is arranged below the hydrogen recycling fan body, a device groove is formed in the upper end of the base in a penetrating mode, and a bottom cover is arranged at a groove opening of the device groove. A connecting seat is fixedly connected to the upper end of the bottom cover, an air suction device is fixedly connected to the inner bottom of the device groove, a detection device is fixedly connected to the inner bottom of the device groove, and the bottom cover is connected with the base through a butt joint device. The hydrogen leakage monitoring device has the advantages of being convenient for operators to operate and convenient for monitoring the hydrogen leakage condition.
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Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen recovery circulation fans, in particular to a hydrogen recycling fan for a hydrogen recovery device. Background Art

[0002] A hydrogen recovery and circulation blower is a blower specifically designed for use in hydrogen cooling systems or hydrogen recovery systems. Its main function is to extract hydrogen from a specific environment, and after a series of treatments, return the treated hydrogen to the point of use or storage facility, thereby achieving hydrogen recycling. This blower ensures the efficiency and safety of hydrogen during the recovery and circulation process by improving the fluidity of hydrogen and controlling its temperature and pressure. A hydrogen recovery and circulation blower is a device specifically designed for hydrogen recovery and recycling, and is typically used in hydrogen production, storage, and distribution systems. Its main function is to improve hydrogen utilization efficiency, reduce hydrogen waste, and ensure system safety and stability. It can recover unused hydrogen from various processes and reduce operating costs.

[0003] In the prior art, it is necessary to ensure the residual hydrogen after the circulation process in the existing hydrogen recovery circulation fan. If there is excessive hydrogen residue, there may be a risk of explosion, which is very dangerous for the operator. Therefore, it is necessary to facilitate the operator to check the residual hydrogen before the operator operates to open the circulation fan. Therefore, we propose a hydrogen recycling fan for a hydrogen recovery device. Utility Model Content

[0004] The purpose of the utility model is to provide a hydrogen recirculation blower for a hydrogen recovery device to solve the problems existing in the prior art proposed by the above background technology.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A hydrogen recirculation blower of a hydrogen recovery device comprises a hydrogen recirculation blower body, a base is provided below the hydrogen recirculation blower body, a device slot is provided through the upper end of the base, a bottom cover is provided at the notch of the device slot, a connecting seat is fixedly connected to the upper end of the bottom cover, an air intake device is fixedly connected to the inner bottom of the device slot, a detection device is fixedly connected to the inner bottom of the device slot, and the bottom cover is connected to the base via a docking device.

[0007] Preferably, the air suction device includes an air pump body fixedly connected to the bottom of the device groove, the input end of the air pump body is fixedly connected to a connecting pipe, and the upper end of the connecting seat at the corresponding position is fixedly connected to an air suction pipe, one end of the air suction pipe extends through to the outside of the connecting seat, and the other end of the air suction pipe is connected to the port of the connecting pipe.

[0008] Preferably, the detection device includes a hydrogen detector body arranged at the bottom of the device tank, the input end of the hydrogen detector body is connected to the output end of the air pump body, and the output end of the hydrogen detector body is fixedly connected to an exhaust pipe, and the other end of the exhaust pipe extends through to the outside of the base.

[0009] Preferably, the docking device includes a plurality of positioning cylinders fixedly connected to the bottom of the device groove, a plurality of positioning posts are fixedly connected to the lower end of the bottom cover at the corresponding positions, a plurality of magnetic sheets are fixedly connected to the lower ends of the positioning posts, the positions of the plurality of positioning posts respectively correspond to the positions of the plurality of positioning cylinders, and the plurality of magnetic sheets can be magnetically attracted to the inner bottom of the positioning cylinder at the corresponding positions, a ring plate is fixedly connected to the inner wall of the device groove at the corresponding bottom cover position, a sealing plate is fixedly connected to the lower end of the bottom cover, and the lower end of the sealing plate is abutted against the upper end of the ring plate.

[0010] Preferably, two connecting plates are fixedly connected to the side walls of the hydrogen detector body, and two docking grooves are provided through the side walls of the two connecting plates, and the two positioning cylinders corresponding to the positions of the two connecting plates respectively penetrate the two docking grooves.

[0011] Preferably, a sealing ring is fixedly connected to the upper end of the bottom cover, and the position of the sealing ring corresponds to the lower end of the hydrogen recirculation blower body.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] In the utility model, an air suction device, a detection device and a docking device are arranged to cooperate with each other, a base for connection is provided at the bottom of the circulating fan, an air pump and a hydrogen detector are provided in the base, part of the air can be extracted from the outside of the circulating fan to detect hydrogen leakage, thereby avoiding hydrogen leakage at the circulating fan, and the hydrogen detector can be replaced and maintained by opening the bottom cover, which is convenient for operators to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of a hydrogen recirculation fan of a hydrogen recovery device proposed in the utility model;

[0015] Figure 2 This is a schematic diagram of the interior of the base of a hydrogen recirculation fan of a hydrogen recovery device proposed in the utility model;

[0016] Figure 3 This is a schematic diagram of the bottom cover structure of a hydrogen recirculation fan of a hydrogen recovery device proposed in the utility model.

[0017] In the figure: 1 hydrogen recirculation fan body, 2 exhaust pipe, 3 base, 4 intake pipe, 5 connecting seat, 6 sealing ring, 7 bottom cover, 8 ring plate, 9 connecting pipe, 10 connecting plate, 11 hydrogen detector body, 12 air pump body, 13 positioning cylinder, 14 sealing plate, 15 positioning column, 16 magnetic sheet. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely 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.

[0019] Reference Figure 1-3 A hydrogen recycling blower of a hydrogen recovery device includes a hydrogen recycling blower body 1, a base 3 is provided at the bottom of the hydrogen recycling blower body 1, a device groove is penetrated at the upper end of the base 3, a bottom cover 7 is provided at the notch of the device groove, a connecting seat 5 is fixedly connected at the upper end of the bottom cover 7, an air intake device is fixedly connected to the inner bottom of the device groove, the air intake device includes an air pump body 12 fixedly connected to the bottom of the device groove, a connecting pipe 9 is fixedly connected at the input end of the air pump body 12, an air intake pipe 4 is fixedly connected to the upper end of the connecting seat 5 at the corresponding position, one end of the air intake pipe 4 extends through and extends to the outside of the connecting seat 5, and the other end of the air intake pipe 4 is connected to the port of the connecting pipe 9.

[0020] Among them, a detection device is fixedly connected to the inner bottom of the device tank, and the detection device includes a hydrogen detector body 11 arranged at the inner bottom of the device tank. The input end of the hydrogen detector body 11 is connected to the output end of the air pump body 12, and the output end of the hydrogen detector body 11 is fixedly connected to an exhaust pipe 2, and the other end of the exhaust pipe 2 extends through to the outside of the base 3.

[0021] Specifically, the bottom cover 7 is connected to the base 3 through a docking device. The docking device includes a plurality of positioning cylinders 13 fixedly connected to the bottom of the device groove, and a plurality of positioning columns 15 are fixedly connected to the lower end of the bottom cover 7 at the corresponding positions. The lower ends of the plurality of positioning columns 15 are fixedly connected with magnetic pieces 16. The positions of the plurality of positioning columns 15 correspond to the positions of the plurality of positioning cylinders 13 respectively. The plurality of magnetic pieces 16 can be magnetically attracted to the inner bottom of the positioning cylinder 13 at the corresponding positions. A ring plate 8 is fixedly connected to the inner wall of the device groove at the position corresponding to the bottom cover 7. A sealing plate 14 is fixedly connected to the lower end of the bottom cover 7, and the lower end of the sealing plate 14 is against the upper end of the ring plate 8.

[0022] It is worth mentioning that two connecting plates 10 are fixedly connected to the side walls of the hydrogen detector body 11. Two docking grooves are provided on the side walls of the two connecting plates 10, and two positioning tubes 13 corresponding to the positions of the two connecting plates 10 respectively penetrate the two docking grooves.

[0023] The upper end of the bottom cover 7 is fixedly connected with a sealing ring 6 , and the position of the sealing ring 6 corresponds to the lower end of the hydrogen recirculation blower body 1 .

[0024] In the present invention, the operator can use the relevant connection structure in the prior art, such as bolts, to connect the hydrogen recirculation fan body 1 as a whole to the base 3. The corresponding connecting seat 5 is used for positioning and connection and as a receiving role. The air pump body 12 set inside the base 3 can be started regularly. Part of the air inside the hydrogen recirculation fan body 1 can be extracted through the suction pipe 4 and the connecting pipe 9, and input it into the hydrogen detector body 11 on one side for hydrogen content detection, so that the operator can know the internal hydrogen situation and avoid hydrogen leakage at the hydrogen recirculation fan body 1.

[0025] When the hydrogen detector body 11 needs to be installed or repaired and maintained, the bottom cover 7 can be opened, and the multiple positioning columns 15 can leave the corresponding positioning cylinders 13 respectively. The hydrogen detector body 11 can be slid out upwards, and the connecting plates 10 on both sides can be left from the corresponding positioning cylinders 13 respectively to take it out, which is convenient for the operator to operate.

[0026] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A hydrogen recirculation blower for a hydrogen recovery device, comprising a hydrogen recirculation blower body (1), characterized in that: A base (3) is provided below the main body (1) of the hydrogen recirculation blower, a device slot is provided through the upper end of the base (3), a bottom cover (7) is provided at the slot opening of the device slot, a connecting seat (5) is fixedly connected to the upper end of the bottom cover (7), an air intake device is fixedly connected to the inner bottom of the device slot, a detection device is fixedly connected to the inner bottom of the device slot, and the bottom cover (7) is connected to the base (3) via a docking device.

2. The hydrogen recirculation blower of the hydrogen recovery device according to claim 1, characterized in that: The air suction device comprises an air pump body (12) fixedly connected to the bottom of the device tank, the input end of the air pump body (12) is fixedly connected to a connecting pipe (9), and the upper end of the connecting seat (5) at the corresponding position is fixedly connected to an air suction pipe (4), one end of the air suction pipe (4) extends through the outside of the connecting seat (5), and the other end of the air suction pipe (4) is connected to the port of the connecting pipe (9).

3. The hydrogen recirculation blower of the hydrogen recovery device according to claim 1, characterized in that: The detection device comprises a hydrogen detector body (11) arranged at the bottom of the device tank, the input end of the hydrogen detector body (11) is connected to the output end of the air pump body (12), the output end of the hydrogen detector body (11) is fixedly connected to an exhaust pipe (2), and the other end of the exhaust pipe (2) extends through the outside of the base (3).

4. The hydrogen recirculation blower of the hydrogen recovery device according to claim 3, characterized in that: The docking device comprises a plurality of positioning cylinders (13) fixedly connected to the bottom of the device groove, a plurality of positioning posts (15) fixedly connected to the lower end of the bottom cover (7) at corresponding positions, a plurality of magnetic sheets (16) fixedly connected to the lower ends of the plurality of positioning posts (15), the positions of the plurality of positioning posts (15) respectively correspond to the positions of the plurality of positioning cylinders (13), and the plurality of magnetic sheets (16) can be magnetically attracted to the inner bottom of the positioning cylinder (13) at corresponding positions, a ring plate (8) fixedly connected to the inner wall of the device groove at the position corresponding to the bottom cover (7), a sealing plate (14) fixedly connected to the lower end of the bottom cover (7), and the lower end of the sealing plate (14) abuts against the upper end of the ring plate (8).

5. The hydrogen recirculation blower of the hydrogen recovery device according to claim 4, characterized in that: Two connecting plates (10) are fixedly connected to the side walls of the hydrogen detector body (11), and two docking grooves are provided through the side walls of the two connecting plates (10), and the two positioning cylinders (13) corresponding to the positions of the two connecting plates (10) respectively penetrate the two docking grooves.

6. The hydrogen recirculation blower of the hydrogen recovery device according to claim 1, characterized in that: A sealing ring (6) is fixedly connected to the upper end of the bottom cover (7), and the position of the sealing ring (6) corresponds to the lower end of the hydrogen recirculation blower body (1).