Hydrogen fuel cell tail exhaust device
By designing a hydrogen fuel cell exhaust device, the problems of high exhaust noise and water vapor impact on the working environment of hydrogen fuel cell vehicles have been solved, achieving the effects of noise reduction and water collection.
Patent Information
- Application Number
- CN202423247137.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Hydrogen fuel cell vehicles emit loud exhaust fumes containing water vapor, which negatively impacts the working environment.
Design a hydrogen fuel cell exhaust device, including a water collection tank, an air inlet pipe and an exhaust pipe. Utilize a perforated plate and a sound-absorbing structure to reduce noise, collect water vapor through the perforated plate, and install overflow and drain pipes to prevent excessive liquid level and automatic drainage to prevent icing.
It effectively reduces noise, collects water from exhaust, prevents the working environment from being affected by moisture, and ensures normal operation.
Smart Images
Figure CN223743689U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to hydrogen fuel cell field, especially relate to a hydrogen fuel cell tail exhaust device. BACKGROUND
[0002] Hydrogen fuel cell technology is a highlight in hydrogen energy field, and the energy conversion rate of the technology is up to 90% or more, far higher than internal combustion engine technology.Moreover, hydrogen fuel cell vehicles generate pure water and electric current through the reaction of hydrogen and oxygen during work, without any pollutant emission, and truly realize environmental protection travel.
[0003] However, the tail gas discharged by the hydrogen fuel cell vehicle contains air, water vapor and the like, and the hydrogen fuel cell vehicle has the following shortcomings: not only has great noise, but also causes the working environment to be humid, thereby affecting the working environment. CONTENT
[0004] The utility model discloses a hydrogen fuel cell tail exhaust device, can reduce the noise, collect the water in the exhaust, prevent the influence working environment.
[0005] The utility model discloses a hydrogen fuel cell tail exhaust device, including the water collecting groove body, the front side of water collecting groove body is provided with the air inlet pipe, and the left side of water collecting groove body is provided with the exhaust pipe, air inlet pipe, exhaust pipe all are linked with water collecting groove body inside, and air inlet pipe is longitudinally inserted and is arranged in water collecting groove body inside, and a plurality of pipe holes are formed in the pipe wall of air inlet pipe that extends into water collecting groove body, the axis of exhaust pipe is horizontally arranged, and exhaust pipe is arranged corresponding to each pipe hole of air inlet pipe, at least two parallel porous plates are arranged on the left side of air inlet pipe in water collecting groove body, the porous plate is obliquely arranged, a plurality of plate holes are formed in the porous plate, and each porous plate is arranged corresponding to the exhaust pipe, and a plurality of mounting supports are arranged on the front and back sides of water collecting groove body.
[0006] The utility model discloses a hydrogen fuel cell tail exhaust device, can reduce the noise, collect the water in the exhaust, prevent the influence working environment.
[0007] As a further improvement of the utility model, the water collecting tank body is internally provided with a water collecting cavity, the water collecting cavity comprises a cuboid cavity one at the upper side and a cuboid cavity two at the lower side, and the width of the cavity two is greater than the width of the cavity one.
[0008] As a further improvement of the utility model, the water collecting tank body is internally provided with a water collecting cavity, the water collecting cavity comprises a cuboid cavity one at the upper side and a cuboid cavity two at the lower side, and the width of the cavity two is greater than the width of the cavity one.
[0009] As a further improvement of the utility model, the water collecting tank body is internally provided with a water collecting cavity, the water collecting cavity comprises a cuboid cavity one at the upper side and a cuboid cavity two at the lower side, and the width of the cavity two is greater than the width of the cavity one.
[0010] As a further improvement of the utility model, the water collecting tank body is internally provided with a water collecting cavity, the water collecting cavity comprises a cuboid cavity one at the upper side and a cuboid cavity two at the lower side, and the width of the cavity two is greater than the width of the cavity one.
[0011] As a further improvement of the utility model, the water collecting tank body is internally provided with a water collecting cavity, the water collecting cavity comprises a cuboid cavity one at the upper side and a cuboid cavity two at the lower side, and the width of the cavity two is greater than the width of the cavity one. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the front view of the utility model.
[0013] Figure 2 It is the left view of the utility model.
[0014] Figure 3 It is the top view of the utility model.
[0015] Figure 4 It is the sectional view of the air inlet pipe.
[0016] Figure 5 It is the front view of the utility model.
[0017] Among them, 1 is a water collecting tank body, 2 is an air inlet pipe, 3 is an exhaust pipe, 4 is a pipe hole, 5 is a porous plate, 6 is a plate hole, 7 is a mounting support, 8 is a water collecting cavity, 8a is a cavity one, 8b is a cavity two, 9 is an outer step, 10 is an overflow pipe, 11 is an automatic drain pipe, and 12 is a manual drain pipe. DETAILED DESCRIPTION
[0018] As Figures 1-5As shown, it is a hydrogen fuel cell tail exhaust device, including a water collecting tank body 1, the front side of the water collecting tank body 1 is provided with an air inlet pipe 2, the left side of the water collecting tank body 1 is provided with an exhaust pipe 3, the air inlet pipe 2, the exhaust pipe 3 are all communicated with the inside of the water collecting tank body 1, the air inlet pipe 2 is longitudinally inserted into the inside of the water collecting tank body 1 and is provided, a plurality of pipe holes 4 are formed in the pipe wall of the air inlet pipe 2 extending into the water collecting tank body 1, the axis of the exhaust pipe 3 is transversely arranged, the exhaust pipe 3 is arranged corresponding to each pipe hole 4 of the air inlet pipe 2, at least two parallel porous plates 5 are correspondingly arranged at the left side of the air inlet pipe 2 in the inside of the water collecting tank body 1, the porous plate 5 is arranged obliquely, the angle between the porous plate 5 and the horizontal plane is 60°, a plurality of plate holes 6 are formed in the porous plate 5, each porous plate 5 is arranged corresponding to the exhaust pipe 3, a plurality of mounting supports 7 are arranged on the front and rear sides of the water collecting tank body 1.
[0019] The inside of the water collecting tank body 1 is provided with a water collecting cavity 8, the water collecting cavity 8 includes an upper cuboid cavity one 8a and a lower cuboid cavity two 8b, the width of the cavity two 8b is greater than the width of the cavity one 8a. The outer periphery of the air inlet pipe 2 located outside the water collecting tank body 1 is provided with an annular outer step 9, the outer step 9 is fixedly connected with the water collecting tank body 1, the air inlet pipe 2 and the exhaust pipe 3 are all arranged corresponding to the cavity one 8a of the water collecting cavity 8. The end of the air inlet pipe 2 located in the inside of the water collecting tank body 1 is closed, the outer end of the air inlet pipe 2 is connected with tail gas.
[0020] The left side of the water collecting tank body 1 is respectively communicated with an overflow pipe 10, an automatic drainage pipe 11 and a manual drainage pipe 12, the axes of the overflow pipe 10, the automatic drainage pipe 11 and the manual drainage pipe 12 are all transversely arranged, the overflow pipe 10 is arranged corresponding to the cavity one 8a of the water collecting cavity 8, the height of the overflow pipe 10 is lower than the height of the exhaust pipe 3, the automatic drainage pipe 11 and the manual drainage pipe 12 are arranged corresponding to the cavity two 8b of the water collecting cavity 8. An electromagnetic valve is mounted on the automatic drainage pipe 11 for automatic drainage, a manual valve is mounted on the manual drainage pipe 12 for manual drainage.
[0021] During the working of the utility model, the tail gas discharged by the hydrogen fuel cell vehicle contains air and water vapor, enters the water collecting tank through the air inlet pipe 2, the front end of the air inlet pipe 2 is a straight pipe section with a boss, the rear end is a straight pipe section with a plurality of holes, which functions as sound attenuation and noise reduction, at the same time, the water vapor in the tail gas is discharged to the porous plate 5 through the pipe holes 4 on the porous pipe; the porous plate 5 can block the water vapor from entering the air outlet side, so that the air passes through the water vapor to form liquid drops after impacting the porous plate 5 and falls into the water collecting tank, and the air is discharged through the exhaust pipe 3; the overflow pipe 10 of the water collecting tank prevents the liquid level from being too high to affect the exhaust, and the automatic and manual drainage pipes 12 can automatically and manually drain water when the liquid level of the water collecting tank is too high, preventing icing below 0℃. The utility model has the advantages of reducing noise, collecting water in the exhaust gas and preventing the working environment from being affected.
[0022] The utility model discloses not limited to above-mentioned embodiment, on the basis of the technical scheme disclosed in the utility model, the technical content disclosed in the utility model is not needed to be creative labor to make some replacement and deformation to some technical features among them according to, and these replacement and deformation are all within the protection scope of the utility model.
Claims
1. A hydrogen fuel cell tail exhaust apparatus characterized by comprising: The utility model provides a water collecting tank, which comprises a water collecting tank body, an air inlet pipe arranged on the front side of the water collecting tank body, and an air outlet pipe arranged on the left side of the water collecting tank body, wherein the air inlet pipe and the air outlet pipe are communicated with the inside of the water collecting tank body, the air inlet pipe is longitudinally inserted into the inside of the water collecting tank body, a plurality of pipe holes are formed in the pipe wall of the air inlet pipe extending into the water collecting tank body, the axis of the air outlet pipe is transversely arranged, the air outlet pipe is arranged corresponding to each pipe hole of the air inlet pipe, at least two parallel porous plates are arranged corresponding to the left side of the air inlet pipe in the inside of the water collecting tank body, the porous plates are arranged obliquely, a plurality of plate holes are formed in the porous plates, and each porous plate is arranged corresponding to the air outlet pipe; a plurality of mounting supports are arranged on the front and back sides of the water collecting tank body.
2. A hydrogen fuel cell tail exhaust apparatus according to claim 1, wherein The inside of the water collecting tank body is provided with a water collecting cavity, which comprises an upper cuboid cavity one and a lower cuboid cavity two, and the width of the cavity two is greater than that of the cavity one.
3. A hydrogen fuel cell tail arrangement according to claim 1 or 2, wherein, The bottom of the front and back sides of the water collecting tank body is provided with two left and right symmetrical mounting supports.
4. A hydrogen fuel cell tail exhaust apparatus according to claim 2, wherein The outer periphery of the air inlet pipe outside the water collecting tank body is provided with an annular outer step, the outer step is fixedly connected with the water collecting tank body, the air inlet pipe and the air outlet pipe are arranged corresponding to the cavity one of the water collecting cavity.
5. A hydrogen fuel cell tail arrangement according to claim 1 or 2, wherein, The included angle between the porous plate and the horizontal plane is 60 degrees.
6. A hydrogen fuel cell tail exhaust apparatus according to claim 2, wherein The left side of the water collecting tank body is respectively communicated with an overflow pipe, an automatic drainage pipe and a manual drainage pipe, the axes of the overflow pipe, the automatic drainage pipe and the manual drainage pipe are transversely arranged, the overflow pipe is arranged corresponding to the cavity one of the water collecting cavity, the height of the overflow pipe is lower than that of the air outlet pipe, and the automatic drainage pipe and the manual drainage pipe are arranged corresponding to the cavity two of the water collecting cavity.