阅读说明：本技术 一种用于燃机进气系统的可调挡板阀 (Adjustable baffle valve for gas turbine air intake system ) 是由 薛建东 潘景松 贡红明 于 2020-11-16 设计创作，主要内容包括：本发明涉及燃机进气系统相关技术领域,且公开了一种用于燃机进气系统的可调挡板阀,包括阀壳,阀壳内安装有与其内侧壁相适配的内圈挡板,阀壳的内侧设置有与内圈挡板相适配的阀板,阀壳的顶部通过安装架连接有摆动电机,摆动电机的输出轴通过联轴器固定连接有空心转轴,空心转轴的输出轴贯穿阀壳的顶部和阀板的内侧并通过定位轴承活动延伸至阀壳的正下方。该用于燃机进气系统的可调挡板阀,内圈囊垫和外圈囊垫相互配合,使得阀板与内圈挡板之间达到密封配合的关系,内圈囊垫在高压气体的充盈状态下与外圈囊垫之间的配合紧密度提高,外圈囊垫在高压气体的充盈状态下与内圈囊垫之间的配合紧密度进一步提高,保障结构之间配合的密封稳定性。(The invention relates to the technical field related to gas turbine air inlet systems, and discloses an adjustable baffle valve for a gas turbine air inlet system, which comprises a valve shell, wherein an inner ring baffle matched with the inner side wall of the valve shell is installed in the valve shell, a valve plate matched with the inner ring baffle is arranged on the inner side of the valve shell, the top of the valve shell is connected with a swing motor through an installation frame, the output shaft of the swing motor is fixedly connected with a hollow rotating shaft through a coupler, and the output shaft of the hollow rotating shaft penetrates through the top of the valve shell and the inner side of the valve plate and movably extends to the position right below. This an adjustable flapper valve for combustion engine air intake system, inner circle bag pad and outer lane bag pad mutually support for reach sealed complex relation between valve plate and the inner circle baffle, the inner circle bag pad improves with the cooperation compactness between the outer lane bag pad under high-pressure gas's the sufficient state, the outer lane bag pad further improves with the cooperation compactness between the inner circle bag pad under high-pressure gas's the sufficient state, the sealing stability of cooperation between the guarantee structure.)

1. An adjustable flapper valve for an intake system of a combustion engine comprising a valve housing, characterized in that: the inner ring baffle matched with the inner side wall of the valve shell is installed in the valve shell, the valve plate matched with the inner ring baffle is arranged on the inner side of the valve shell, the top of the valve shell is connected with a swing motor through an installation frame, an output shaft of the swing motor is fixedly connected with a hollow rotating shaft through a coupler, the output shaft of the hollow rotating shaft penetrates through the top of the valve shell and the inner side of the valve plate and movably extends to the position under the valve shell through a positioning bearing, a rotary joint is installed below the valve shell, the hollow tail end of the hollow rotating shaft is fixedly connected with a rotary head of the rotary joint, and a first air;

an inner embedded groove is formed in the outer annular side face of the valve plate, an inner ring bag pad is mounted on the inner side of the inner embedded groove, the hollow rotating shaft is communicated with an air guide pipe in the inner portion of the valve plate, and the tail end of the air guide pipe is communicated with an air guide port of the inner ring bag pad;

the cooperation groove with embedded groove looks adaptation is seted up at the annular inboard of keeping away from the valve casing inside wall to the inner circle baffle, and the outer lane bag pad with inner circle bag pad looks adaptation is installed to the inboard in cooperation groove, and the annular inboard of outer lane bag pad is sealed with the annular lateral wall of inner circle bag pad and is laminated, and the air guide kneck of outer lane bag pad is connected with communicating pipe, runs through the inside wall of valve casing and extends to its outside communicating pipe, and second air guide mechanism is installed to the end of communicating pipe.

2. An adjustable flapper valve for an intake system of a combustion engine as set forth in claim 1 wherein: the first air guide mechanism and the second air guide mechanism respectively comprise a mounting pipe, a barometer and a switch valve.

3. An adjustable flapper valve for an intake system of a combustion engine as set forth in claim 1 wherein: the inner ring airbag cushion and the outer ring airbag cushion are both rubber elastic airbag cushions, and the initial states of the inner ring airbag cushion and the outer ring airbag cushion are in an unfilled state.

4. An adjustable flapper valve for an intake system of a combustion engine as set forth in claim 1 wherein: the initial state of the inner ring airbag cushion slightly protrudes out of the annular notch of the inner ring groove, and the initial state of the outer ring airbag cushion slightly protrudes out of the annular notch of the matching groove.

5. An adjustable flapper valve for an intake system of a combustion engine as set forth in claim 1 wherein: the matching relationship between the annular inner side wall of the inner ring baffle and the annular outer side wall of the valve plate is clearance fit.

6. An adjustable flapper valve for an intake system of a combustion engine as set forth in claim 1 wherein: the hollow rotating shaft is connected with the rotary joint, one end of the hollow rotating shaft is an open end, and the other end of the hollow rotating shaft is a closed end.

Technical Field

The invention relates to the technical field of gas turbine air inlet systems, in particular to an adjustable baffle valve for a gas turbine air inlet system.

Background

The gas turbine is an internal combustion type power machine which takes continuously flowing gas as a working medium to drive an impeller to rotate at high speed and converts the energy of fuel into useful work, and is a rotary impeller type heat engine.

The gas inlet system of the gas turbine comprises a ventilation system, a carbon dioxide baffle valve is required to be arranged in an inlet channel and an exhaust channel in the ventilation system and used for isolating or discharging carbon dioxide emissions, a sealing ring is generally arranged on the existing baffle valve for achieving the purpose of sealing to be in sealing fit, the condition that isolated gas passes through a channel through a valve body baffle is avoided, the baffle valve is used for a long time, the sealing ring is abraded due to mutual matching friction and material aging between the sealing rings, the sealing performance of the baffle valve is reduced, regular maintenance is required, the normal sealing use of the baffle valve is guaranteed, and the investment and use cost of enterprises is increased.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an adjustable baffle valve for a gas inlet system of a combustion engine, which solves the problem that a sealing ring of a baffle valve of a ventilation system of the gas inlet system of the combustion engine is easy to wear and reduce the sealing property after the baffle valve is used for a long time.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an adjustable flapper valve for gas turbine air intake system, including the valve casing, install the inner circle baffle rather than the inner wall looks adaptation in the valve casing, the inboard of valve casing is provided with the valve plate with inner circle baffle looks adaptation, the top of valve casing is connected with swing motor through the mounting bracket, swing motor's output shaft passes through the hollow pivot of shaft coupling fixedly connected with, the output shaft of hollow pivot runs through the top of valve casing and the inboard of valve plate and extends to the valve casing through the location bearing activity under, rotary joint is installed to the below of valve casing, hollow end fixed rotary joint's of hollow pivot rotating head is connected, rotary joint's kneck is connected with first air guide mechanism.

An inner embedded groove is formed in the outer annular side face of the valve plate, an inner ring bag pad is installed on the inner side of the inner embedded groove, the hollow rotating shaft is communicated with an air guide pipe which is located in the inner portion of the valve plate, and the tail end of the air guide pipe is communicated with an air guide port of the inner ring bag pad.

The cooperation groove with embedded groove looks adaptation is seted up at the annular inboard of keeping away from the valve casing inside wall to the inner circle baffle, and the outer lane bag pad with inner circle bag pad looks adaptation is installed to the inboard in cooperation groove, and the annular inboard of outer lane bag pad is sealed with the annular lateral wall of inner circle bag pad and is laminated, and the air guide kneck of outer lane bag pad is connected with communicating pipe, runs through the inside wall of valve casing and extends to its outside communicating pipe, and second air guide mechanism is installed to the end of communicating pipe.

Preferably, first air guide mechanism and second air guide mechanism all include installation pipe, barometer and ooff valve, and the barometer carries out real-time detection to the atmospheric pressure value of corresponding inner circle cyst pad and outer lane cyst pad inner circle, is convenient for relevant operating personnel to observe valve casing inner structure cooperation state.

Preferably, the inner ring airbag cushion and the outer ring airbag cushion both adopt rubber elastic airbag cushions, the initial states of the inner ring airbag cushion and the outer ring airbag cushion are in an unfilled state, and the valve plate achieves a sealing fit relation between the inner ring airbag cushion and the outer ring airbag cushion on the inner ring baffle.

Preferably, the initial state of the inner ring bladder pad slightly protrudes from the annular notch of the inner ring groove, and the initial state of the outer ring bladder pad slightly protrudes from the annular notch of the mating groove.

Preferably, the matching relationship between the annular inner side wall of the inner ring baffle and the annular outer side wall of the valve plate is clearance fit, so that the valve plate can rotate in the inner ring baffle to close the valve body switch.

Preferably, the one end that hollow rotating shaft and rotary joint are connected is the open end, and the other end of hollow rotating shaft is the blind end, and the hollow rotating shaft of setting up of rotary joint guarantees the installation stability of first air guide mechanism when rotating.

(III) advantageous effects

The invention provides an adjustable flapper valve for an air intake system of a combustion engine. The method has the following beneficial effects:

(1) the adjustable baffle valve for the gas inlet system of the gas turbine comprises a hollow rotating shaft, a valve plate, a rotary joint and a first air guide mechanism which are matched with each other, when the device is used, an inner ring bag pad and an outer ring bag pad are matched with each other, so that the valve plate and the inner ring baffle are in a sealing matching relationship, when the device is used for a long time, the device is reduced in sealing property, high-pressure gas can be introduced into the hollow rotating shaft through the first air guide mechanism, so that the high-pressure gas flow is introduced into an inner cavity of the inner ring bag pad through an air guide pipe, the matching tightness between the inner ring bag pad and the outer ring bag pad in the filling state of the high-pressure gas is improved, the use sealing property of the device is effectively improved, the high-pressure gas can be introduced into an inner cavity of the outer ring bag pad through a communicating pipe through a second air guide mechanism, and the matching tightness between the outer ring bag pad and, the sealing stability of the matching between the structures is guaranteed.

(2) This an adjustable flapper valve for combustion engine air intake system carries out the air guide control to inner circle cyst pad and outer lane cyst pad respectively through setting up first air guide mechanism and second air guide mechanism for the barometer in first air guide mechanism and the second air guide mechanism carries out real-time supervision to its inner chamber atmospheric pressure value, and is effectual to inner circle cyst pad and outer lane cyst pad adjust aerify, guarantee the stability of complex between the structure.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of a structure in fig. 1.

In the figure: the air guide device comprises a valve shell 1, an inner ring baffle 2, a valve plate 3, a swing motor 4, a hollow rotating shaft 5, a positioning bearing 6, a rotary joint 7, a first air guide mechanism 8, an embedded groove 9, an inner ring bag pad 10, an air guide pipe 11, a matching groove 12, an outer ring bag pad 13, a communicating pipe 14 and a second air guide mechanism 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, the present invention provides a technical solution: an adjustable baffle valve for an air inlet system of a combustion engine comprises a valve casing 1, an inner ring baffle 2 matched with the inner side wall of the valve casing 1 is installed in the valve casing 1, a valve plate 3 matched with the inner ring baffle 2 is arranged on the inner side of the valve casing 1, the top of the valve casing 1 is connected with a swing motor 4 through an installation frame, the swing motor 4 adopts a low-speed swing motor with the rotating speed of 10r/min, an output shaft of the swing motor 4 is fixedly connected with a hollow rotating shaft 5 through a coupler, the output shaft of the hollow rotating shaft 5 penetrates through the top of the valve casing 1 and the inner side of the valve plate 3 and movably extends to the position under the valve casing 1 through a positioning bearing 6, a rotary joint 7 is installed below the valve casing 1, a rotary head of the hollow tail end of the hollow rotating shaft 5 is connected with the rotary joint 7, a first air guide mechanism 8 is connected to the joint of the rotary joint 7, make valve plate 3 can rotate in inner circle baffle 2 in order to reach the valve body switch closure, the one end that hollow rotating shaft 5 and rotary joint 7 are connected is the open end, and the other end of hollow rotating shaft 5 is the blind end, and the hollow rotating shaft 5 of setting up of rotary joint 7 guarantees the installation stability of first air guide mechanism 8 when the rotation.

An inner embedded groove 9 is formed in the outer annular side face of the valve plate 3, an inner ring bag pad 10 is installed on the inner side of the inner embedded groove 9, a communicating hole is formed in the hollow rotating shaft 5, the hollow rotating shaft 5 is located on the inner portion of the valve plate 3 and communicated with an air guide pipe 11 through the communicating hole, and the tail end of the air guide pipe 11 is communicated with an air guide port of the inner ring bag pad 10.

The inner ring baffle 2 is provided with a matching groove 12 matched with the embedded groove 9 at the inner side of the ring far away from the inner side wall of the valve casing 1, the inner side of the matching groove 12 is provided with an outer ring airbag cushion 13 matched with the inner ring airbag cushion 10, the inner side of the outer ring airbag cushion 13 is hermetically attached to the outer side wall of the inner ring airbag cushion 10, the air guide interface of the outer ring airbag cushion 13 is connected with a communication pipe 14, the communication pipe 14 penetrates through the inner side wall of the valve casing 1 and extends to the outer side of the valve casing, the tail end of the communication pipe 14 is provided with a second air guide mechanism 15, each of the first air guide mechanism 8 and the second air guide mechanism 15 comprises an installation pipe, a barometer and a switch valve, the barometer detects the air pressure values of the inner rings of the corresponding inner ring airbag cushion 10 and the outer ring airbag cushion 13 in real time, related operators can observe the matching state of the inner structure of the valve casing conveniently, the inner ring airbag cushion 10, the valve plate 3 is in a sealing fit relationship between the inner ring bag pad 10 and the outer ring bag pad 13 on the inner ring baffle 2, the initial state of the inner ring bag pad 10 slightly protrudes out of the annular notch of the inner ring groove 9, and the initial state of the outer ring bag pad 13 slightly protrudes out of the annular notch of the matching groove 12.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In conclusion, when the device is used for a long time, when the device has reduced tightness, high-pressure gas can be introduced into the hollow rotating shaft 5 through the first gas guide mechanism 8, so that high-pressure gas flow is introduced into the inner cavity of the inner ring airbag cushion 10 through the gas guide pipe 11, the tightness of fit between the inner ring airbag cushion 10 and the outer ring airbag cushion 13 in the filling state of the high-pressure gas is improved, the use tightness of the device is effectively improved, high-pressure gas can also be introduced into the communication pipe 14 through the second gas guide mechanism 15, so that the high-pressure gas flow is introduced into the inner cavity of the outer ring airbag cushion 13 through the communication pipe 14, and the tightness of fit between the outer ring airbag cushion 13 and the inner ring airbag cushion 10 in the filling state of the high-pressure gas is further improved.

The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.