CN115163867B - Nuclear island blast gate with adjustable antidetonation - Google Patents
Nuclear island blast gate with adjustable antidetonation Download PDFInfo
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- CN115163867B CN115163867B CN202211097163.7A CN202211097163A CN115163867B CN 115163867 B CN115163867 B CN 115163867B CN 202211097163 A CN202211097163 A CN 202211097163A CN 115163867 B CN115163867 B CN 115163867B
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- air valve
- blast gate
- ring
- nuclear island
- air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
- F16F15/085—Use of both rubber and metal springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/50—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall
- F16J15/52—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall by means of sealing bellows or diaphragms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/065—Construction of housing; Use of materials therefor of taps or cocks with cylindrical plugs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/12—Covers for housings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/10—Means for additional adjustment of the rate of flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/10—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
- F16L27/107—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve
- F16L27/11—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve the sleeve having the form of a bellows with multiple corrugations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
Abstract
The invention discloses an anti-seismic adjustable nuclear island air valve, and relates to the technical field of ventilation equipment; the air valve fixing device specifically comprises an air valve fixing frame, wherein an outer air valve shell is welded inside the air valve fixing frames, an outer air valve end plate is installed at one end of the outer air valve shell, a sealing ring is installed between the outer air valve shell and the air valve fixing frames, a transition barrel cover is installed between the two air valve fixing frames through the sealing ring, and a fastening ring is installed in the middle of each outer air valve end plate. According to the invention, the air valve body component of the inner layer of the air valve is subjected to swing buffering vibration to bring displacement, so that the structure of the inner layer of the air valve is effectively protected, the gap between the valve core and the valve core cover of the air valve is prevented from changing, the anti-vibration effect of the air valve is improved, and secondly, the cylindrical valve core cover is matched with the cylindrical valve core of the air valve, so that the sealing effect is remarkably improved compared with the traditional plate-type air valve structure, the use durability is effectively improved, and the air quantity regulation precision and the service life of the air valve are ensured.
Description
Technical Field
The invention relates to the technical field of ventilation equipment, in particular to an anti-seismic adjustable nuclear island air valve.
Background
The air quantity regulating valve is an indispensable central air conditioning end fitting in ventilation, air conditioning and air purification engineering of civil buildings of industrial plants, is generally used in air conditioning and ventilation system pipelines for regulating the air quantity of branch pipes, can also be used for mixed regulation of fresh air and return air, is widely used in heating ventilation and air conditioning systems of industrial and mining and civil buildings, accurately regulates the air quantity, and is one of key equipment for realizing control of ventilation modes in various environments. The device is mainly characterized by flexible operation, low noise and small leakage.
The nuclear island is a general name of a nuclear reactor in a containment of a nuclear power plant and various systems related to the reactor, the main function of the nuclear island is to utilize nuclear fission energy to generate steam, the air valve is used for controlling air quantity in a nuclear island environment, the existing nuclear island air valve is mostly rigidly installed, the anti-seismic effect of the existing nuclear island air valve is poor, when the nuclear island air valve is used for ventilation, the nuclear island air valve is often influenced by temperature and vibration, deformation of an adjusting structure in the air valve is caused, gaps in the adjusting structure of the air valve are increased, and sealing and adjusting effects are affected.
In view of the above, the present invention provides an anti-seismic adjustable nuclear island blast gate to solve the technical problems in the prior art.
Disclosure of Invention
Based on the technical problems in the background technology, the invention provides an anti-seismic adjustable nuclear island air valve.
The invention provides an anti-seismic adjustable nuclear island air valve, which comprises air valve fixing frames, wherein an outer air valve shell is welded in each of the two air valve fixing frames, an outer air valve end plate is arranged at one end of the outer air valve shell, a sealing ring is arranged between the outer air valve shell and the air valve fixing frames, a transition barrel cover is arranged between the two air valve fixing frames through the sealing ring, fastening rings are arranged in the middle of each of the two outer air valve end plates, corrugated hoses are arranged in each of the two fastening rings, an air valve body assembly is fixedly arranged between the two corrugated hoses, a cylindrical valve core cover is arranged in each air valve body assembly, a columnar air valve core is rotatably arranged in each of the valve core covers, a rectangular air duct is arranged in each of the air valve core, an air valve motor is arranged at one end of each of the valve core covers, the air valve motor is in transmission connection with the end part of each of the air valve core, and a plurality of obliquely distributed elastic telescopic assemblies and vertically distributed limiting springs are arranged between the outer side of each air valve body assembly and the inner wall of the outer air valve shell.
In the invention, preferably, the air valve body assembly is composed of an inner air valve shell, two guide air cylinders and two inner air valve end plates, and the two guide air cylinders and the two inner air valve end plates are respectively arranged at two ends of the inner part of the inner air valve shell.
In the invention, preferably, the elastic expansion assembly comprises a spring rod, an inner universal joint and an outer universal joint, and two ends of the spring rod are respectively connected with the inner air valve housing and the outer air valve housing through the inner universal joint and the outer universal joint.
In the present invention, preferably, a sealing film is installed between the outer side of the inner air valve housing and the inner wall of the outer air valve housing, and the sealing film is made of a radiation shielding material of a flexible material.
In the invention, preferably, a buffer cavity is formed between the air valve fixing frame and the outer air valve shell, and two ends of the transition barrel cover extend to the inner parts of the two buffer cavities respectively.
In the invention, preferably, storage components distributed in a ring-shaped structure are arranged in the middle of the inner wall of the transition barrel cover, fireproof foam rubber is filled in the storage components, and the storage components are distributed between the two outer air valve housings.
In the invention, preferably, the storage component is composed of a storage bag with a saccular structure, and the outer side of the storage bag is provided with a rupture ring part with an annular structure.
In the invention, preferably, an elastic interlayer is arranged in the storage bag, and the fracture ring part is provided with an inner fracture ring and an outer fracture ring.
In the invention, preferably, a brake is arranged at the other end of the valve core cover, and a braking shaft end of the brake is firmly connected with the end part of the air valve core.
Compared with the prior art, the invention provides the earthquake-resistant adjustable nuclear island air valve, which has the following beneficial effects:
according to the invention, the air valve structure is divided into an inner layer and an outer layer, the inner layer and the outer layer are connected by virtue of movable corrugated hoses, wherein the outer layer of the air valve is movably connected by virtue of two air valve fixing frames serving as main fixing structures, the two main fixing structures are movably connected by virtue of a sealing ring and a transition barrel cover, the inner layer and the outer layer of the air valve are connected by virtue of an elastic telescopic component and a vertically distributed limiting spring, when drastic vibration is generated during ventilation and equipment operation, the air valve body component of the inner layer of the air valve is subjected to swinging and buffering displacement, so that the structure of the inner layer of the air valve is effectively protected, the gap between the air valve core and the valve core cover is prevented from changing, the anti-vibration effect of the air valve is improved, and secondly, compared with the traditional plate-type air valve structure, the sealing effect is remarkably improved, the use durability is effectively improved, and the air volume adjusting precision and the service life of the air valve are ensured.
Drawings
FIG. 1 is a schematic diagram of a shock-resistant adjustable nuclear island blast gate according to the present invention;
FIG. 2 is a schematic cross-sectional view of a valve body assembly of an earthquake-resistant adjustable nuclear island air valve according to the present invention;
FIG. 3 is an enlarged schematic view of a portion A of an earthquake-resistant adjustable nuclear island blast gate according to the present invention;
FIG. 4 is a schematic view of a damper mount of an earthquake-resistant adjustable nuclear island damper according to the present invention;
FIG. 5 is a schematic view of a corrugated hose installation structure of an earthquake-resistant adjustable nuclear island blast gate according to the present invention;
fig. 6 is a schematic diagram of a storage component structure of an earthquake-resistant adjustable nuclear island blast gate according to the present invention.
In the figure: 1. an air valve fixing frame; 2. an outer air valve end plate; 3. a fastening ring; 4. a corrugated hose; 5. an inner air valve end plate; 6. an elastic expansion assembly; 601. a spring rod; 602. an inner universal joint; 603. an outer universal joint; 7. an outer air valve housing; 8. an inner air valve housing; 9. a valve core cover; 10. a valve core of the air valve; 11. a seal ring; 12. a limit spring; 13. a sealing film; 14. a storage assembly; 1401. an inner fracture ring; 1402. an outer fracture ring; 1403. a storage bag; 1404. an elastic barrier layer; 15. a transition barrel cover; 16. guiding an air duct; 17. a damper motor; 18. a brake.
Detailed Description
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1-6, an anti-seismic adjustable nuclear island air valve comprises air valve fixing frames 1, wherein an outer air valve shell 7 is welded inside each of the two air valve fixing frames 1, an outer air valve end plate 2 is arranged at one end of the outer air valve shell 7, a sealing ring 11 is arranged between the outer air valve shell 7 and the air valve fixing frames 1, a transition barrel cover 15 is arranged between the two air valve fixing frames 1 through the sealing ring 11, a fastening ring 3 is arranged in the middle of each of the two outer air valve end plates 2, corrugated hoses 4 are arranged inside each of the two fastening rings 3, an air valve body assembly is fixedly arranged between the two corrugated hoses 4, a cylindrical valve core 10 is arranged inside each of the air valve body assembly, a rectangular air duct is arranged inside each of the valve core 9, an air valve motor 17 is arranged at one end of each of the valve core 9, the air valve motor 17 is in transmission connection with the end part of the air valve core 10, and a plurality of obliquely distributed elastic expansion assemblies 6 and limiting springs 12 are arranged between the outer side of the air valve body assembly and the inner wall of the outer air valve shell 7; according to the invention, the air valve structure is divided into an inner layer and an outer layer, the inner layer and the outer layer are connected by virtue of movable corrugated hoses 4, wherein the outer layer of the air valve is movably connected by virtue of two air valve fixing frames 1 serving as main fixing structures, the two main fixing structures are movably connected by virtue of a sealing ring 11 and a transition cylinder cover 15, the inner layer and the outer layer of the air valve are connected by virtue of an elastic telescopic component 6 and a vertically distributed limit spring 12, when severe vibration is generated during ventilation and equipment operation, the air valve body component of the inner layer of the air valve swings to buffer the displacement caused by the vibration, so that the structure of the inner layer of the air valve is effectively protected, the gap between the air valve core 10 and the valve core cover 9 is prevented from changing, the anti-vibration effect of the air valve is improved, and secondly, the sealing effect is remarkably improved by virtue of the cooperation of the cylindrical valve core cover 9 and the cylindrical air valve core 10 compared with the traditional plate-type air valve structure, and the air volume adjusting precision and the service life of the air valve are effectively improved by durability.
As a still further scheme in the invention, the air valve body assembly is composed of an inner air valve shell 8, two guide air cylinders 16 and two inner air valve end plates 5, the two guide air cylinders 16 and the two inner air valve end plates 5 are respectively arranged at two inner ends of the inner air valve shell 8, when air flow enters the inner layer of the air valve, the air flow is sequentially diffused and compressed at the front end and the rear end of the air valve core 10 through the arrangement of the guide air cylinders 16, the local air flow speed of the air valve is reduced, and the accuracy of controlling the air quantity of the air valve is further improved.
As a still further scheme in the invention, the elastic telescopic component 6 comprises a spring rod 601, an inner universal joint 602 and an outer universal joint 603, two ends of the spring rod 601 are respectively connected with the inner air valve housing 8 and the outer air valve housing 7 through the inner universal joint 602 and the outer universal joint 603, the air valve housing component is arranged between the two outer air valve housings 7 in a suspension-like manner by means of the elastic telescopic component 6 with two obliquely distributed ends, when vibration exceeds a setting in an installation environment, when the outer air valve fixing frame 1 and the outer air valve housing 7 deform, the structure of the inner air valve housing component is not influenced, and the elastic telescopic component 6 is quickly pulled back through the limiting springs 12 which are vertically distributed after the deviation occurs, so that the shaking amplitude generated in the vibration process of the air valve housing component is effectively reduced, and the vibration-resistant effect of the air valve is further improved.
As a still further scheme in the invention, a sealing film 13 is arranged between the outer side of the inner air valve housing 8 and the inner wall of the outer air valve housing 7, the sealing film 13 is made of a radiation shielding material made of a flexible material, two layers of sealing films 13 are arranged between the inner layer and the outer layer of the air valve, when the front end and the rear end of the air valve are cracked due to vibration, the inner layer and the outer layer can be sealed through the sealing films 13, so that air flows at the inner end and the outer end of the air valve are prevented from flowing without passing through the valve core 10 of the air valve, and the stability of the air valve for adjusting the air quantity is improved.
As a still further scheme in the invention, a buffer cavity is formed between the air valve fixing frame 1 and the outer air valve shell 7, two ends of the transition barrel cover 15 respectively extend to the inner parts of the two buffer cavities, when the air valve fixing frame 1 shakes in the outer layer structure of the air valve, the transition barrel cover 15 stretches and contracts in the buffer cavity by virtue of the sealing ring 11 with elastic buffer, so that the sealing effect is improved, the damage of vibration to the outer layer structure of the air valve is reduced, and the use stability of the nuclear island air valve is improved.
As a further scheme in the invention, the middle part of the inner wall of the transition barrel cover 15 is provided with the storage components 14 distributed in a ring-shaped structure, fireproof foam rubber is filled in the storage components 14, the storage components 14 are distributed between the two outer air valve housings 7, when the outer air valve housing 7 is greatly displaced and extruded to the storage components 14 due to damage of the outer air valve structure caused by strong vibration, the fireproof foam rubber filled in the storage components 14 is broken, the inner space and the outer space of the air valve are rapidly filled with the fireproof foam rubber, the foam rubber is solidified into an elastic foam filling layer, a good blocking effect is achieved, the inner air valve body component structure is protected from being damaged, and the anti-vibration effect of the nuclear island air valve is further improved.
As still further scheme in the invention, the storage component 14 is composed of the storage bag 1403 with a saccular structure, the outside of the storage bag 1403 is provided with the fracture ring part with an annular structure, when the storage bag 1403 with the saccular structure is extruded by the arrangement of the fracture ring part, the storage bag is broken from the fracture ring part, so that the injection position of the fireproof foam glue is controlled, the space of the inner layer and the outer layer of the air valve is purposefully filled, and the use stability of the air valve is improved.
As still further scheme in the invention, the elastic interlayer 1404 is arranged in the storage bag 1403, the inner cracking ring 1401 and the outer cracking ring 1402 are arranged at the cracking ring part, the inner cracking ring 1401 and the outer cracking ring 1402 correspond to the inner side and the outer side of the outer air valve shell 7 respectively, when the storage bag is extruded, the inner cracking ring 1401 and the outer cracking ring 1402 are cracked in sequence according to the deformation condition of the outer layer of the air valve, and then the inner layer and the outer layer of the air valve are filled and sealed in a layered manner, so that the anti-seismic effect and the use stability of the air valve are further improved.
As a further scheme in the invention, the other end of the valve core cover 9 is provided with the brake 18, the brake shaft end of the brake 18 is firmly connected with the end part of the air valve core 10, after the air valve air quantity adjustment is finished, the brake 18 starts to lock the position of the air valve core 10, so that the phenomenon of deflection and rotation of the air valve core 10 is effectively avoided, and the accuracy and stability of air quantity adjustment are improved.
When the air valve is used, the air valve structure is divided into an inner layer and an outer layer, the inner layer and the outer layer are connected by virtue of movable corrugated hoses 4, wherein the outer layer of the air valve is movably connected by virtue of two air valve fixing frames 1 serving as main fixing structures, the two main fixing structures are movably connected by virtue of a sealing ring 11 and a transition barrel cover 15, the inner layer and the outer layer of the air valve are connected by virtue of an elastic telescopic component 6 and a vertically distributed limit spring 12, when severe vibration is generated during ventilation and equipment operation, the air valve body component of the inner layer of the air valve swings to buffer the displacement caused by the vibration, so that the structure of the inner layer of the air valve is effectively protected, the gap between an air valve core 10 and a valve core cover 9 is prevented from changing, the anti-vibration effect of the air valve is improved, and secondly, the sealing effect is remarkably improved and the durability is effectively improved compared with the traditional plate-type air valve structure by virtue of the cooperation of the cylindrical valve core 10.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a nuclear island blast gate with adjustable antidetonation, includes blast gate mount (1), two the inside of blast gate mount (1) has all welded outer blast gate housing (7), and outer blast gate end plate (2) are installed to the one end of outer blast gate housing (7), install sealing ring (11) between outer blast gate housing (7) and blast gate mount (1), and install transition barrel casing (15) through sealing ring (11) between two blast gate mount (1), characterized in that, two fastening ring (3) are all installed at outer blast gate end plate (2) middle part, and the inside of two fastening ring (3) is all installed bellows (4), and fixed mounting has blast gate valve body subassembly between two bellows (4), the inside of blast gate valve body subassembly is provided with tubular structure's case cover (9), and the inside rotation of case cover (9) installs blast gate case (10) of columnar structure, the one end of case cover (9) installs blast gate motor (17), and the inside of blast gate case (17) and blast gate end plate (10) is connected with the outside of many flexible distribution spring of blast gate body assemblies (12) and the outside of blast gate valve body assembly (6) of the oblique distribution, the outside of blast gate valve body assembly is perpendicular;
the air valve body assembly consists of an inner air valve shell (8), two guide air cylinders (16) and two inner air valve end plates (5), and the two guide air cylinders (16) and the two inner air valve end plates (5) are respectively arranged at two ends of the inner part of the inner air valve shell (8);
the elastic telescopic assembly (6) comprises a spring rod (601), an inner universal joint (602) and an outer universal joint (603), and two ends of the spring rod (601) are connected with the inner air valve housing (8) and the outer air valve housing (7) through the inner universal joint (602) and the outer universal joint (603) respectively;
a buffer cavity is formed between the air valve fixing frame (1) and the outer air valve shell (7), and two ends of the transition barrel cover (15) extend to the inside of the two buffer cavities respectively;
the middle part of the inner wall of the transition barrel cover (15) is provided with storage components (14) distributed in a ring-shaped structure, fireproof foam rubber is filled in the storage components (14), and the storage components (14) are distributed between the two outer air valve housings (7).
2. The shock-resistant adjustable nuclear island blast gate according to claim 1, characterized in that a sealing film (13) is installed between the outer side of the inner blast gate housing (8) and the inner wall of the outer blast gate housing (7), and the sealing film (13) is made of a radiation shielding material of flexible material.
3. The shock-resistant adjustable nuclear island blast gate according to claim 1, wherein the storage component (14) is composed of a storage bag (1403) with a saccular structure, and a rupture ring part with an annular structure is arranged on the outer side of the storage bag (1403).
4. A shock resistant adjustable nuclear island blast gate according to claim 3, characterized in that the inside of the storage bag (1403) is provided with an elastic barrier layer (1404) and the fracture ring part is provided with an inner fracture ring (1401) and an outer fracture ring (1402).
5. A shock-resistant adjustable nuclear island blast gate according to claim 3, characterized in that a brake (18) is mounted at the other end of the core cover (9), and the brake shaft end of the brake (18) is firmly connected with the end of the blast gate core (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211097163.7A CN115163867B (en) | 2022-09-08 | 2022-09-08 | Nuclear island blast gate with adjustable antidetonation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211097163.7A CN115163867B (en) | 2022-09-08 | 2022-09-08 | Nuclear island blast gate with adjustable antidetonation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115163867A CN115163867A (en) | 2022-10-11 |
| CN115163867B true CN115163867B (en) | 2023-05-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211097163.7A Active CN115163867B (en) | 2022-09-08 | 2022-09-08 | Nuclear island blast gate with adjustable antidetonation |
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