Buffering pressure relief and noise reduction device
By introducing a buffer chamber and a buffer mechanism into the high-pressure gas discharge device, combined with a spoiler and a baffle, the problem of easy damage to the device during high-pressure gas discharge is solved, and efficient noise reduction and pressure reduction effects are achieved.
Patent Information
- Application Number
- CN202423149378.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing noise reduction devices are easily damaged when high-pressure compressed gas is discharged, resulting in poor noise reduction effect.
A buffering, pressure-relief, and noise-reduction device is designed, comprising a shell, an intake air duct, a buffer chamber, and a buffer mechanism. The buffer mechanism pre-tightens and seals the inner end of the intake air duct under the impact of high-pressure airflow. After the airflow enters the buffer chamber, it collides with the airflow discharged from the pilot hole to dissipate energy. Combined with the spoiler and baffle, the airflow is disturbed to achieve pressure reduction, deceleration, buffering, and noise reduction.
Effectively reduce the high-pressure gas discharge speed, reduce energy loss, achieve efficient noise reduction effect, and avoid damage to the device.
Smart Images
Figure CN223460122U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of buffering, sound abatement and noise reduction, particularly to a buffering, pressure relief and noise reduction device. BACKGROUND
[0002] In modern industry and scientific research, sound abatement and noise reduction are of great significance, as they can eliminate and reduce noise pollution, improve work efficiency and environmental quality, ensure the health of workers, and meet the requirements of specific acoustic tests. Noise reduction devices can effectively reduce noise levels and provide a quieter and more comfortable working environment for workers.
[0003] Existing sound abatement and noise reduction devices are usually impedance composite type, but for the sound abatement and noise reduction of high-pressure compressed gas discharge, such as compressed gas generated by electrolysis in an electrolytic plant, the conventional sound abatement and noise reduction can easily be damaged by high-pressure impact, reducing the sound abatement and noise reduction effect. SUMMARY
[0004] The utility model aims to provide a buffering, pressure relief and noise reduction device to solve the problems of the prior art and be applicable to pressure reduction, speed reduction and buffering noise reduction for high-pressure gas discharge.
[0005] To achieve the above-mentioned purpose, the utility model provides the following scheme:
[0006] The utility model provides a buffering, pressure relief and noise reduction device, which comprises a shell and a buffering mechanism. An air inlet channel is arranged in the shell, and a buffering cavity is formed between the air inlet channel and the inner wall of the shell. The outer end of the air inlet channel is connected to the outside and used for introducing airflow, and the inner end can be connected to the buffering cavity. An air outlet is arranged on the shell and connected to the buffering cavity. A pilot hole is arranged on the inner wall of the air inlet channel and connected to the buffering cavity. The buffering mechanism is arranged on the shell and can be pre-tightened and sealed at the inner end of the air inlet channel. The buffering mechanism can be elastically deformed under the impact of airflow to connect the inner end of the air inlet channel to the buffering cavity.
[0007] Preferably, a plurality of spoiler plates are arranged on the inner wall of the shell, and each spoiler plate is inclined in the opposite flow direction.
[0008] Preferably, a plurality of flow baffles are arranged on the outer wall of the air inlet channel, and one flow baffle is arranged between two adjacent spoiler plates.
[0009] Preferably, the buffering mechanism comprises a pressure regulating component, an elastic component and a sealing component. The pressure regulating component is arranged on the shell and connected to the sealing component through the elastic component. The pressure regulating component can adjust the pre-tightening force of the elastic component to seal the inner end of the air inlet channel with the sealing component.
[0010] Preferably, the pressure regulating component is a linear drive component movably arranged in the housing, and an inner end of the linear drive component is fixedly arranged with a pressing cover, and the elastic component is arranged between the pressing cover and the blocking component; the linear drive component is linearly movable relative to the housing to adjust the position of the pressing cover, and then adjust the pre-tightening force of the elastic component in cooperation with the blocking component.
[0011] Preferably, the linear drive component is a screw rod, and the screw rod is threadedly arranged in the housing, and an outer end of the screw rod is arranged with a handle.
[0012] Preferably, the elastic component is a spring, and two ends of the spring are respectively connected to the pressing cover and the blocking component.
[0013] Preferably, the blocking component is a blocking cover.
[0014] Preferably, the pilot hole is a plurality of and is distributed in a circumferential direction of the air inlet channel.
[0015] Preferably, the inner end and the outer end of the air inlet channel are located on two sides of the housing, and the air outlet and the outer end of the air inlet channel are located on the same side of the housing.
[0016] The utility model discloses relative to prior art has obtained following technical effect:
[0017] The buffering pressure relief noise reduction device provided by the utility model, high pressure gas is passed into through the outer end of the air inlet channel, because the inner end of the air inlet channel is arranged with a buffering mechanism, has the pre-tightening force and blocks the inner end of the air inlet channel, forms the resistance to the airflow discharge, and the airflow will be discharged to the buffering cavity through the pilot hole arranged in the inner end of the air inlet channel, when the airflow overcomes the pre-tightening force of the buffering mechanism and enters the buffering cavity through the inner end of the air inlet channel, can collide with the airflow discharged from the pilot hole and consume energy, in the process of overcoming the pre-tightening force of the buffering mechanism, a large amount of energy is lost, and the discharge speed is reduced, finally realizes the deceleration through the air outlet, realizes the pressure reduction and deceleration when high pressure gas is discharged, reaches the purpose of buffering and noise reduction. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiments, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.
[0019] Figure 1 It is the non-working state schematic view of the buffering pressure relief noise reduction device provided for embodiment one;
[0020] Figure 2 This is a schematic diagram of the working status of the buffer pressure relief and noise reduction device provided in Example 1.
[0021] In the figure: 1-shell; 11-exhaust port; 2-intake air duct; 21-pilot hole; 3-buffer chamber; 4-buffer mechanism; 41-pressure regulating component; 411-screw; 412-handle; 42-elastic component; 43-sealing component; 44-pressing cover; 5-spoiler; 6-baffle. DETAILED DESCRIPTION
[0022] 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 embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] The purpose of the utility model is to provide a buffering pressure relief and noise reduction device to solve the problems existing in the above-mentioned prior art, which can be applicable to the pressure reduction and deceleration as well as buffering and noise reduction of high-pressure gas discharge.
[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.
[0025] Example 1
[0026] The present embodiment provides a buffering, pressure-relieving, and noise-reducing device, comprising a shell 1 and a buffer mechanism 4; an intake air duct 2 is provided in the shell 1, and a buffer cavity 3 is provided between the intake air duct 2 and the inner wall of the shell 1; the outer end of the intake air duct 2 is connected to the outside and is used to allow airflow to enter, and the inner end can be connected to the buffer cavity 3; an exhaust port 11 connected to the buffer cavity 3 is provided on the shell 1; a pilot hole 21 connected to the buffer cavity 3 is provided on the inner wall of the intake air duct 2; the buffer mechanism 4 is provided on the shell 1 and can be pre-tightened and sealed at the inner end of the intake air duct 2, and the buffer mechanism 4 can be elastically deformed under the impact of the airflow to enable the inner end of the intake air duct 2 to be connected to the buffer cavity 3.
[0027] Since the inner end of the intake channel 2 is provided with a buffer mechanism 4, it has a pre-tightening force and blocks the inner end of the intake channel 2. Figure 1 As shown, high-pressure gas enters through the outer end of the intake channel 2, and the buffer mechanism 4 forms resistance to the discharge of the airflow. The airflow will first be discharged into the buffer cavity 3 through the pilot hole 21 set in the intake channel 2. When the airflow overcomes the preload of the buffer mechanism 4, as shown in FIG. Figure 2 As shown, Figure 2The middle arrow represents the flow of the gas flow, and after the gas flow enters the buffer cavity 3 through the inner end of the air inlet channel 3, it can collide with the gas flow discharged from the pilot hole 21 to consume energy; in the process of overcoming the pre-tightening force of the buffer mechanism 4, a large amount of energy is lost, the discharge speed is reduced, and finally the speed is reduced through the exhaust port 11, the pressure is reduced during high-pressure gas discharge, the speed is reduced, the purpose of buffering and noise reduction is achieved.
[0028] In an optional solution of the embodiment, preferably, the buffer pressure relief and noise reduction device provided by the embodiment further comprises a plurality of spoiler plates 5 arranged on the inner wall of the shell 1, each spoiler plate 5 is arranged in an adverse flow direction; wherein each spoiler plate 5 is arranged circumferentially along the inner wall of the shell, realizing circumferential flow disturbance, and a plurality of spoiler plates 5 are arranged in sequence along the direction of the gas flow, realizing disturbance and energy consumption of the gas flow in the path of the gas flow.
[0029] In an optional solution of the embodiment, preferably, the buffer pressure relief and noise reduction device provided by the embodiment further comprises a plurality of spoiler plates 5 arranged on the inner wall of the shell 1, each spoiler plate 5 is arranged in an adverse flow direction; wherein each spoiler plate 5 is arranged circumferentially along the inner wall of the shell, realizing circumferential flow disturbance, and a plurality of spoiler plates 5 are arranged in sequence along the direction of the gas flow, realizing disturbance and energy consumption of the gas flow in the path of the gas flow.
[0030] In an optional solution of the embodiment, preferably, the buffer mechanism 4 comprises a pressure regulating component 41, an elastic component 42 and a plugging component 43, the pressure regulating component 41 is arranged on the shell 1 and connected with the plugging component 43 through the elastic component 42, the pressure regulating component 41 can adjust the pre-tightening force of the elastic component 42 to make the plugging component 43 plug in the inner end of the air inlet channel 2, and by adjusting the pre-tightening force, the gas flow can be adjusted according to the discharge gas pressure, the impact of the discharge gas flow can be slowed down, the pressure can be released, and the gas flow can be controlled.
[0031] In an optional solution of the embodiment, preferably, the pressure regulating component 41 is arranged as a linear driving component, the linear driving component is movably arranged in the shell 1, and the inner end is fixedly provided with a pressing cover 44, and the elastic component 42 is arranged between the pressing cover 44 and the plugging component 43; the linear driving component can move linearly relative to the shell 1 to adjust the position of the pressing cover 44, and then cooperate with the plugging component 43 to adjust the pre-tightening force of the elastic component 42, the plugging component 43 is tightly arranged in the inner end of the air inlet channel 2, the linear driving component moves linearly by driving the pressing cover 44, and cooperates with the plugging component 43 to adjust the pre-tightening force of the elastic component 42.
[0032] In an optional solution of the embodiment, preferably, the linear driving component is a screw rod 411, the screw rod 411 is threaded through the shell 1, and the outer end of the screw rod 411 is provided with a handle 412; the linear driving of the compression cover 44 is realized by driving the screw rod 411 to rotate relative to the shell 1 through the handle 412; in addition, the linear driving component can also be other structures, such as a linear driving motor or a telescopic rod, which can realize linear driving.
[0033] In an optional solution of the embodiment, preferably, the elastic component 42 is a spring, and the two ends of the spring are connected to the compression cover 44 and the blocking component 43 respectively; wherein the spring is a high-strength spring, which can meet the use strength.
[0034] In an optional solution of the embodiment, preferably, the blocking component 43 is a blocking cover, which abuts against the inner end of the air inlet channel 2 to realize blocking.
[0035] In an optional solution of the embodiment, preferably, the pilot hole 21 is provided in multiple and is distributed circumferentially along the air inlet channel 2, the airflow preferentially passes through the pilot hole 21 into the buffer cavity 3, and a circumferential turbulent resistance airflow area is formed in advance.
[0036] In an optional solution of the embodiment, preferably, the inner end and the outer end of the air inlet channel 2 are located on the two sides of the shell 1, and the air outlet 11 and the outer end of the air inlet channel 2 are located on the same side of the shell 1, so that the airflow can be fully depressurized, slowed down, buffered and noise-reduced in the buffer cavity 3.
[0037] Further, the shell 1, the air inlet channel 2, the spoiler 5, the flow barrier 6 and the blocking cover are made of stainless steel, which meets the use strength requirement.
[0038] The principle and implementation mode of the specific examples are described in the utility model, and the above embodiment is only used to help understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the utility model, the specific implementation mode and application range will be changed. In conclusion, the content of the specification should not be understood as the limitation of the utility model.
Claims
1. A cushioning, pressure-relieving, and noise-damping device, characterized by: The application relates to a shell (1) provided with an air inlet flow channel (2) and a buffer cavity (3) between the air inlet flow channel (2) and the inner wall of the shell (1); the outer end of the air inlet flow channel (2) is connected to the outside and used for air inlet; the inner end of the air inlet flow channel (2) can be connected to the buffer cavity (3); the shell (1) is provided with an air outlet (11) connected to the buffer cavity (3); the inner wall of the air inlet flow channel (2) is provided with a pilot hole (21) connected to the buffer cavity (3); and a buffer mechanism (4) is arranged on the shell (1) and can be pre-tightened to block the inner end of the air inlet flow channel (2), and the buffer mechanism (4) can be elastically deformed under the impact of air flow to connect the inner end of the air inlet flow channel (2) to the buffer cavity (3). A plurality of spoiler plates (5) are arranged on the inner wall of the shell (1), and each spoiler plate (5) is arranged in an adverse flow direction. A plurality of flow baffles (6) are arranged on the outer wall of the air inlet flow channel (2), and one flow baffle (6) is arranged between two adjacent spoiler plates (5).
2. The cushioning, pressure-relieving, and noise-damping device of claim 1, wherein: The buffer mechanism (4) comprises a pressure regulating component (41), an elastic component (42) and a blocking component (43), the pressure regulating component (41) is arranged on the shell (1) and connected to the blocking component (43) through the elastic component (42), and the pressure regulating component (41) can adjust the pre-tightening force of the elastic component (42) to block the inner end of the air inlet flow channel (2).
3. The cushioning, pressure-relieving, and noise-dampening device of claim 2, wherein: The pressure regulating component (41) is arranged as a linear driving component, the linear driving component is movably arranged in the shell (1), the inner end of the linear driving component is fixedly provided with a pressing cover (44), the elastic component (42) is arranged between the pressing cover (44) and the blocking component (43), and the linear driving component can move linearly relative to the shell (1) to adjust the position of the pressing cover (44) and then adjust the pre-tightening force of the elastic component (42) in cooperation with the blocking component (43).
4. The cushioning, pressure-relieving, and noise-damping device of claim 1, wherein: The linear driving component is arranged as a screw rod (411), the screw rod (411) is threadedly arranged in the shell (1), and the outer end of the screw rod (411) is provided with a handle (412).
5. The cushioning, pressure-relieving, and noise-dampening device of claim 4, wherein: The elastic component (42) is arranged as a spring, and the two ends of the spring are connected to the pressing cover (44) and the blocking component (43) respectively.
6. The cushioning, pressure-relieving, and noise-dampening device of claim 5, wherein: The blocking component (43) is arranged as a blocking cover.
7. The cushioning, pressure-relieving, and noise-dampening device of claim 5, wherein: The pilot hole (21) is arranged as a plurality of pilot holes and distributed in a circumferential direction of the air inlet flow channel (2).
8. The cushioning, pressure-relieving, and noise-damping device of claim 5, wherein: The inner end and the outer end of the air inlet flow channel (2) are located on two sides of the shell (1), and the air outlet (11) and the outer end of the air inlet flow channel (2) are located on the same side of the shell (1).
9. The cushioning, pressure-relieving, and noise-dampening device of claim 1, wherein: 10. The cushioning, pressure-relieving, and noise-damping device of claim 1, wherein: