CN221034180U - Explosion-proof exhaust back pressure valve of hydrogen engine - Google Patents
Explosion-proof exhaust back pressure valve of hydrogen engine Download PDFInfo
- Publication number
- CN221034180U CN221034180U CN202322803163.0U CN202322803163U CN221034180U CN 221034180 U CN221034180 U CN 221034180U CN 202322803163 U CN202322803163 U CN 202322803163U CN 221034180 U CN221034180 U CN 221034180U
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- Prior art keywords
- explosion
- valve
- proof
- back pressure
- exhaust back
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000001257 hydrogen Substances 0.000 title claims abstract description 24
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 238000004880 explosion Methods 0.000 abstract description 10
- 239000002360 explosive Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model discloses an explosion-proof exhaust back pressure valve of a hydrogen engine, which comprises a valve, wherein the valve is provided with an inlet and an outlet, the valve is provided with a supporting seat, the outer side of the valve is sleeved with an explosion-proof shell, the explosion-proof shell is detachably connected with the supporting seat, and the explosion-proof shell is provided with a first through hole matched with the inlet and a second through hole matched with the outlet. The explosion-proof exhaust back pressure valve has simple structure and low production cost, can effectively prevent explosion and fire caused by factors such as hydrogen leakage, overhigh exhaust temperature and the like, has high structural strength, and prevents the influence on surrounding people or equipment caused by internal explosion.
Description
Technical Field
The utility model belongs to the technical field of automobile engines, and particularly relates to an explosion-proof exhaust back pressure valve of a hydrogen engine.
Background
The present exhaust back pressure valve is widely applied to an exhaust system of an engine and is mainly used for adjusting exhaust back pressure. However, when the hydrogen engine is used in a flammable and explosive environment, potential safety hazards of explosion caused by sparks and high temperature exist, and particularly when the hydrogen engine is tested, the conditions of hydrogen leakage and the like, and explosion accidents can occur due to the fact that hydrogen is flammable and explosive gas. The existing exhaust back pressure valve does not have an explosion-proof function, which directly affects the safety of laboratory personnel and equipment, so that a new explosion-proof exhaust back pressure valve is necessary to be developed to solve the problem.
Disclosure of utility model
The utility model aims to provide an explosion-proof exhaust back pressure valve of a hydrogen engine, which is used for solving the problems in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an explosion-proof exhaust backpressure valve of hydrogen engine, includes the valve, the valve is equipped with entry and export, and the valve is furnished with the supporting seat, and the outside cover of valve is equipped with explosion-proof housing, explosion-proof housing can dismantle with the supporting seat and be connected, explosion-proof housing seted up with the first through-hole of entry adaptation and with the second through-hole of export adaptation.
As an optional implementation manner of the above technical solution, the valve includes a valve body, and the valve body is connected with a valve rod assembly, and the valve rod assembly is connected with an actuator.
As an alternative embodiment of the foregoing aspect, the actuator is provided with a driving handle.
As an optional implementation manner of the above technical solution, the valve rod assembly includes a valve rod, and a surface of the valve rod is provided with a heat dissipation fin.
As an optional implementation manner of the technical scheme, a protecting sleeve is arranged on the outer side of the valve rod assembly, and heat dissipation openings are formed in two sides of the protecting sleeve.
As an optional implementation manner of the above technical scheme, the explosion-proof housing comprises an upper housing and a lower housing, the upper housing is sleeved outside the valve rod assembly, the bottom of the upper housing is connected with the lower housing, the lower housing is connected with the supporting seat, and the lower housing is sleeved outside the valve body.
As an optional implementation manner of the above technical solution, both the inlet and the outlet of the valve are provided with sealing rings.
As an optional implementation manner of the above technical solution, the explosion-proof housing is detachably connected with the supporting seat through bolts.
As an optional implementation manner of the technical scheme, the supporting seat comprises a bottom frame, a left side frame and a right side frame are respectively connected to two sides of the bottom frame, an intermediate supporting plate is connected between the left side frame and the right side frame, and the valve is installed on the intermediate supporting plate.
As an optional implementation manner of the above technical scheme, a first connecting bolt is arranged between the left side frame and the explosion-proof housing, and a second connecting bolt is arranged between the right side frame and the explosion-proof housing.
The beneficial effects of the utility model are as follows:
The explosion-proof exhaust back pressure valve has simple structure and low production cost, can effectively prevent explosion and fire caused by factors such as hydrogen leakage, overhigh exhaust temperature and the like, has high structural strength, and prevents the influence on surrounding people or equipment caused by internal explosion.
Drawings
FIG. 1 is a schematic view of the external structure of an explosion-proof exhaust back pressure valve in one embodiment of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of an explosion-proof exhaust back pressure valve in one embodiment of the present utility model;
fig. 3 is a schematic view of a valve according to an embodiment of the present utility model.
In the figure: 1-a valve; 2-an explosion-proof housing; 3-a valve body; 4-a valve stem assembly; 5-an actuator; 6-driving a handle; 7-a valve rod; 8-radiating fins; 9-protecting sleeve; 10-underframe; 11-left side frame; 12-right side frame; 13-intermediate support plate.
Detailed Description
Examples
As shown in fig. 1-3, this embodiment provides an explosion-proof exhaust back pressure valve of a hydrogen engine, including a valve 1, the valve 1 is equipped with an inlet and an outlet, the valve 1 is equipped with a supporting seat, the outside cover of the valve 1 is equipped with an explosion-proof housing 2, the explosion-proof housing 2 is detachably connected with the supporting seat, the explosion-proof housing 2 is provided with a first through hole adapted with the inlet and a second through hole adapted with the outlet.
The explosion-proof exhaust back pressure valve has a simple structure and low production cost, can effectively prevent explosion and fire caused by factors such as hydrogen leakage, high exhaust temperature and the like, and has high self structural strength of the explosion-proof housing 2, thereby preventing the influence on surrounding people or equipment caused by internal explosion.
Specifically, the valve 1 comprises a valve body 3, wherein the valve body 3 is connected with a valve rod assembly 4, and the valve rod assembly 4 is connected with an actuator 5. The actuator 5 is provided with a driving handle 6, preferably, the valve rod assembly 4 comprises a valve rod 7, and the surface of the valve rod 7 is provided with radiating fins 8, so that heat transfer can be effectively reduced, and the service life of the upper end actuator 5 is prolonged. The outer side of the valve rod assembly 4 is provided with a protective sleeve 9, and both sides of the protective sleeve 9 are provided with heat dissipation openings.
In this embodiment, the explosion-proof housing 2 includes an upper housing and a lower housing, the upper housing is sleeved on the outer side of the valve rod assembly 4, the bottom of the upper housing is connected with the lower housing, the lower housing is connected with the supporting seat, and the lower housing is sleeved on the outer side of the valve body 3. Preferably, both the inlet and the outlet of the valve 1 are provided with sealing rings.
The explosion-proof housing 2 is detachably connected with the supporting seat through bolts. Specifically, the supporting seat comprises a bottom frame 10, a left side frame 11 and a right side frame 12 are respectively connected to two sides of the bottom frame 10, an intermediate supporting plate 13 is connected between the left side frame 11 and the right side frame 12, and the valve 1 is installed on the intermediate supporting plate 13. A first connecting bolt is arranged between the left side frame 11 and the explosion-proof housing 2, and a second connecting bolt is arranged between the right side frame 12 and the explosion-proof housing 2.
The utility model adopts the explosion-proof shell 2 connected by bolts, meets the explosion-proof safety requirement and limits the explosion range. And a mechanical sealing device is arranged at the bearing of the valve 1, so that the sealing performance is improved. The driving part adopts a standard explosion-proof pneumatic actuating mechanism, and the material selection and structural design completely accord with the related explosion-proof standard by arranging obvious explosion-proof marks and warning marks, so that the safety is improved. Compared with the prior art, the explosion-proof exhaust back pressure valve has the advantages of good explosion-proof performance and safe and reliable use, can be widely applied to explosion-proof environments such as petrochemical industry, offshore oil and the like, and effectively reduces explosion hidden danger.
In the description of the present utility model, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be fixedly connected, detachably connected, or integrally formed; may be a mechanical or electrical connection; may be directly connected or indirectly connected through an intermediate medium, and may be in communication with the inside of two elements or in interaction with the two elements, the specific meaning of the terms being understood by those skilled in the art. Furthermore, the particular features, structures, etc. described in the examples are included in at least one embodiment and those of skill in the art may combine features of different embodiments without contradiction. The scope of the present utility model is not limited to the above-described specific embodiments, and embodiments which can be suggested to those skilled in the art without inventive effort according to the basic technical concept of the present utility model are all within the scope of the present utility model.
Claims (10)
1. The utility model provides an explosion-proof exhaust backpressure valve of hydrogen engine, its characterized in that, includes valve (1), valve (1) are equipped with entry and export, and supporting seat has been joined in marriage to valve (1), and the outside cover of valve (1) is equipped with explosion-proof housing (2), explosion-proof housing (2) can dismantle with the supporting seat and be connected, explosion-proof housing (2) seted up with the first through-hole of entry adaptation and with the second through-hole of export adaptation.
2. The explosion-proof exhaust back pressure valve for a hydrogen engine according to claim 1, wherein the valve (1) comprises a valve body (3), the valve body (3) is connected with a valve rod assembly (4), and the valve rod assembly (4) is connected with an actuator (5).
3. The hydrogen engine explosion-proof exhaust back pressure valve according to claim 2, wherein the actuator (5) is provided with a drive handle (6).
4. The hydrogen engine explosion-proof exhaust back pressure valve according to claim 2, wherein the valve stem assembly (4) comprises a valve stem (7), and a surface of the valve stem (7) is provided with a heat radiating fin (8).
5. The explosion-proof exhaust back pressure valve of the hydrogen engine according to claim 2, wherein a protecting sleeve (9) is arranged on the outer side of the valve rod assembly (4), and heat dissipation openings are arranged on two sides of the protecting sleeve (9).
6. The explosion-proof exhaust back pressure valve of the hydrogen engine according to claim 2, wherein the explosion-proof housing (2) comprises an upper shell and a lower shell, the upper shell is sleeved outside the valve rod assembly (4), the bottom of the upper shell is connected with the lower shell, the lower shell is connected with the supporting seat, and the lower shell is sleeved outside the valve body (3).
7. The explosion-proof exhaust back pressure valve of a hydrogen engine according to claim 1, wherein the inlet and the outlet of the valve (1) are provided with sealing rings.
8. The explosion-proof exhaust back pressure valve for the hydrogen engine according to claim 1, wherein the explosion-proof housing (2) is detachably connected with the supporting seat through bolts.
9. The explosion-proof exhaust back pressure valve for the hydrogen engine according to claim 1, wherein the supporting seat comprises a bottom frame (10), a left side frame (11) and a right side frame (12) are respectively connected to two sides of the bottom frame (10), an intermediate supporting plate (13) is connected between the left side frame (11) and the right side frame (12), and the valve (1) is installed on the intermediate supporting plate (13).
10. The explosion-proof exhaust back pressure valve for the hydrogen engine according to claim 9, wherein a first connecting bolt is arranged between the left side frame (11) and the explosion-proof housing (2), and a second connecting bolt is arranged between the right side frame (12) and the explosion-proof housing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322803163.0U CN221034180U (en) | 2023-10-17 | 2023-10-17 | Explosion-proof exhaust back pressure valve of hydrogen engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322803163.0U CN221034180U (en) | 2023-10-17 | 2023-10-17 | Explosion-proof exhaust back pressure valve of hydrogen engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221034180U true CN221034180U (en) | 2024-05-28 |
Family
ID=91138164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322803163.0U Active CN221034180U (en) | 2023-10-17 | 2023-10-17 | Explosion-proof exhaust back pressure valve of hydrogen engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221034180U (en) |
-
2023
- 2023-10-17 CN CN202322803163.0U patent/CN221034180U/en active Active
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| GR01 | Patent grant |