Hydrogen diffusing pipe structure
By designing a hydrogen discharge pipe structure including hydrogen emission main pipe, branch pipe, top pipe, bent pipe, protective sleeve and bracket, the problem of existing hydrogen discharge pipes being susceptible to rain, snow and foreign matters is solved, and the safe and stable emission of hydrogen and the stability of the system are achieved.
Patent Information
- Application Number
- CN202420075131.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-12
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-01-12
AI Technical Summary
The existing hydrogen discharge pipes are prone to being blocked by rain, snow and foreign matters, which cannot discharge hydrogen smoothly, affecting the stability and safety of the system.
A hydrogen discharge pipe structure is designed, including a hydrogen discharge main pipe, a hydrogen discharge branch pipe, a top pipe of the discharge pipe, a bend pipe, a protective sleeve, a check valve and a bracket. Through the reasonable arrangement and connection of these components, rain, snow and foreign matters are prevented from entering, and the stable emission of hydrogen is ensured.
It effectively prevents rain and snow from invading and blocking of foreign objects, ensures safe emission of hydrogen, and improves the stability of the hydrogen cylinder through the bracket structure.
Smart Images
Figure CN222634362U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydrogen system release pipes, in particular to a hydrogen release pipe structure. Background Art
[0002] Hydrogen vent pipes in hydrogen systems such as hydrogen stations and hydrogen refueling stations need to discharge hydrogen upwards, but the existing vertical upward discharge is easily blocked by rain, snow and foreign objects, so that it cannot be discharged smoothly through the anti-scattering pipe during emergency discharge, causing serious impact on the system; and the vent pipe requires a high discharge height, the hydrogen vent pipe is generally small in diameter and has poor stability. Summary of the invention
[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a hydrogen release pipe structure, which can prevent rain and snow from invading and foreign matter from clogging, and at the same time ensure the support stability of the hydrogen release pipe, and can effectively solve the problems in the background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydrogen emission pipe structure, comprising a hydrogen emission main pipe, one side of the hydrogen emission main pipe is connected to a hydrogen emission branch pipe, the upper end of the hydrogen emission main pipe is provided with a emission pipe top pipe, the lower end of the hydrogen emission main pipe is provided with a drain port, the upper end of the hydrogen emission main pipe is inserted into the emission pipe top pipe, and the insertion depth is not less than 80 mm, a check valve is provided in the middle position of the hydrogen emission main pipe, both ends of the emission pipe top pipe are provided with elbows, the outer side of the elbow is sleeved with a protective sleeve, the two sides of the hydrogen emission main pipe are symmetrically provided with a first steel section, the outer side of the hydrogen emission main pipe is respectively provided with a vertical pipe load-bearing bracket and a vertical pipe guide bracket, and both sides of the vertical pipe load-bearing bracket and the vertical pipe guide bracket are fixedly connected to the first steel section through a second steel section.
[0005] As a preferred technical solution of the utility model, a flame arrester is arranged inside the upper end of the hydrogen exhaust main pipe.
[0006] As a preferred technical solution of the present invention, the elbow is bent upward at 45°.
[0007] As a preferred technical solution of the utility model, both ends and sides of the protective sleeve are fence structures, and the fences are composed of multiple steel sheets.
[0008] As a preferred technical solution of the utility model, drain ports are provided on both sides of the bottom of the top pipe of the vent pipe, and the drain ports are symmetrically arranged relative to the hydrogen discharge main pipe.
[0009] As a preferred technical solution of the utility model, the hydrogen discharge branch pipe is installed at a position 1m above the liquid discharge port.
[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the hydrogen discharge pipe has a reasonable structural design and an ingenious conception. A check valve is arranged on the hydrogen discharge main pipe to prevent air backflow. A protective sleeve is arranged on the bent pipe to condense water vapor in the hydrogen and discharge it through the drain port in the top pipe of the discharge pipe, thereby blocking foreign matter. The hydrogen discharge main pipe is inserted into the top pipe of the discharge pipe so that it protrudes from the top pipe of the discharge pipe to prevent liquid from entering the hydrogen discharge main pipe and causing system failure. A vertical pipe load-bearing bracket and a vertical pipe guide bracket are arranged on the outside of the hydrogen discharge main pipe to fix it, and the first steel section and the second steel section are used to support it to ensure the stability of the discharge system. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the structure of the utility model;
[0012] Figure 2 A top view of the protective cover.
[0013] In the figure: 1 hydrogen discharge branch pipe, 2 hydrogen discharge main pipe, 3 check valve, 4 flame arrester, 5 drain port, 6 elbow, 7 top pipe of vent pipe, 8 drain port, 9 first steel section, 10 second steel section, 11 vertical pipe load-bearing bracket, 12 vertical pipe guide bracket, 13 protective cover, 14 fence. DETAILED DESCRIPTION
[0014] 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, rather than all the embodiments (for the convenience of description and understanding, the following is a schematic diagram of the present invention). Figure 1 Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.
[0015] See also Figure 1-2 The utility model provides a technical solution: a hydrogen emission pipe structure, including a hydrogen emission main pipe 2, one side of the hydrogen emission main pipe 2 is connected with a hydrogen emission branch pipe 1, the upper end of the hydrogen emission main pipe 2 is provided with a emission pipe top pipe 7, and the lower end of the hydrogen emission main pipe 2 is provided with a drain port 8 for draining condensate in the pipe;
[0016] The upper end of the hydrogen discharge main pipe 2 is inserted into the top pipe 7 of the vent pipe, and the insertion depth is not less than 80mm to prevent rainwater or condensate from directly entering the hydrogen discharge main pipe 2 and affecting hydrogen discharge. In order to ensure the overall stability during insertion, the diameter of the top pipe 7 of the vent pipe is three levels larger than the diameter of the hydrogen discharge main pipe;
[0017] A check valve 3 is provided in the middle of the hydrogen discharge main pipe 2 to prevent air backflow and ensure the hydrogen discharge amount;
[0018] Elbows 6 are provided at both ends of the top pipe 7 of the vent pipe. The elbows 6 are bent upward at 45° to facilitate hydrogen discharge. Drain ports 5 are provided on both sides of the bottom of the top pipe 7 of the vent pipe. The drain ports 5 are symmetrically arranged relative to the hydrogen discharge main pipe 2. A protective sleeve 13 is sleeved on the outer side of the elbow 6. Both ends and sides of the protective sleeve 13 are fence 14 structures. The fence 14 is composed of multiple steel sheets, which can not only block foreign matter, but also condense water vapor in the hydrogen into liquid when it meets the steel sheets and is discharged through the drain ports 5 to avoid directly entering the hydrogen discharge main pipe 2.
[0019] First steel sections 9 are symmetrically arranged on both sides of the hydrogen emission main pipe 2, and vertical pipe load-bearing brackets 11 and vertical pipe guide brackets 12 are respectively arranged on the outside of the hydrogen emission main pipe 2. Both sides of the vertical pipe load-bearing brackets 11 and the vertical pipe guide brackets 12 are fixedly connected to the first steel sections 9 through second steel sections 10. The door-type structure composed of the first steel sections 9 and the second steel sections 10 is connected to the vertical pipe load-bearing brackets 11 and the vertical pipe guide brackets 12 fixed on the outside of the hydrogen emission main pipe 2 to ensure the stability of the hydrogen emission main pipe 2.
[0020] Furthermore, a flame arrester 4 is provided inside the upper end of the hydrogen exhaust main pipe 2 .
[0021] Furthermore, the hydrogen discharge branch pipe 1 is installed 1 m above the drain port 8 to prevent condensate from entering the hydrogen discharge branch pipe 1 .
[0022] The utility model can effectively prevent the intrusion of rain and snow, condensation of water vapor, freezing and blockage by foreign objects, thereby ensuring the safety of hydrogen discharge; at the same time, the stability of the hydrogen cylinder is ensured by arranging the vertical pipe load-bearing bracket 11 and the vertical pipe guide bracket 12.
[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A hydrogen emission pipe structure, comprising a hydrogen emission main pipe (2), one side of the hydrogen emission main pipe (2) is connected to a hydrogen emission branch pipe (1), the upper end of the hydrogen emission main pipe (2) is provided with a emission pipe top pipe (7), and the lower end of the hydrogen emission main pipe (2) is provided with a drain port (8), characterized in that: The upper end of the hydrogen discharge main pipe (2) is inserted into the top pipe (7) of the vent pipe, and the insertion depth is not less than 80 mm. A check valve (3) is arranged in the middle of the hydrogen discharge main pipe (2). Bend pipes (6) are arranged at both ends of the top pipe (7) of the vent pipe. The outer side of the bend pipe (6) is sleeved with a protective sleeve (13). The first steel (9) is symmetrically arranged on both sides of the hydrogen discharge main pipe (2). A vertical pipe load-bearing bracket (11) and a vertical pipe guide bracket (12) are respectively arranged on the outer side of the hydrogen discharge main pipe (2). Both sides of the vertical pipe load-bearing bracket (11) and the vertical pipe guide bracket (12) are fixedly connected to the first steel (9) through a second steel (10).
2. A hydrogen release pipe structure according to claim 1, characterized in that: A flame arrester (4) is arranged inside the upper end of the hydrogen exhaust main pipe (2).
3. A hydrogen release pipe structure according to claim 1, characterized in that: The curved pipe (6) is bent upward at 45°.
4. A hydrogen release pipe structure according to claim 1, characterized in that: Both ends and sides of the protective sleeve (13) are fence (14) structures, and the fence (14) is composed of a plurality of steel sheets.
5. The hydrogen release pipe structure according to claim 1, characterized in that: Drain ports (5) are provided on both sides of the bottom of the top pipe (7) of the emission pipe, and the drain ports (5) are arranged symmetrically with respect to the hydrogen emission main pipe (2).
6. A hydrogen emission pipe structure according to claim 1, characterized in that: The hydrogen discharge branch pipe (1) is installed 1 m above the liquid discharge port (8).