CN113007362A - Marine desulfurization double-layer sealing valve - Google Patents
Marine desulfurization double-layer sealing valve Download PDFInfo
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- CN113007362A CN113007362A CN202110241580.3A CN202110241580A CN113007362A CN 113007362 A CN113007362 A CN 113007362A CN 202110241580 A CN202110241580 A CN 202110241580A CN 113007362 A CN113007362 A CN 113007362A
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/223—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves with a plurality of valve members
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly 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
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
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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
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a double-layer sealing valve for ship desulfurization, which comprises a valve body, wherein mounting seats are respectively arranged on the outer walls of two sides of the valve body, a first front shaft is clamped on the mounting seat in the middle of the outer wall of one side of the valve body, a second front shaft is clamped on the mounting seats on two sides of the first front shaft, a rear shaft is clamped on the mounting seat on the outer wall of the other side of the valve body, one end of the first front shaft penetrates through the valve body and is provided with a first valve plate between the first front shaft and the rear shaft, one end of the second front shaft penetrates through the valve body and is provided with a second valve plate between the second front shaft and the rear shaft, cranks are respectively arranged at the other ends of the first front shaft and the second front shaft, a first pin shaft and a second pin shaft are respectively connected to the cranks at the positions of the second front shaft and are respectively. Can drive first front axle and the synchronous rotation of second front axle through driving arm and crank, then first front axle drives first valve plate and rotates, and the synchronous drive second valve plate of second front axle rotates, can seal the valve body totally when first valve plate and second valve plate mutually paste, convenient to use.
Description
Technical Field
The invention relates to the technical field of sealing valves, in particular to a double-layer sealing valve for marine desulfurization.
Background
A large amount of sulfur-containing flue gas can be discharged during running of a ship, in order to meet the requirement of environmental protection, the flue gas is often discharged after desulfurization treatment, a pipeline is usually controlled to be opened and closed by using a sealing valve in the desulfurization process, the existing sealing valve is a common butterfly valve, the valve plate of the existing sealing valve is of an integral structure, the distance between the edge of the valve plate and a rotating shaft is long, the bearing torque is large, the sealing effect is poor in use, the valve plate is large in length when being completely opened, the valve body is huge, and limited space in the ship is occupied.
Disclosure of Invention
The invention aims to provide a double-layer sealing valve for ship desulfurization, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a double-layer sealing valve for ship desulfurization comprises a valve body, wherein flanges are arranged on the edges of two ends of the valve body, the outer walls of the two sides of the valve body are both fixedly provided with mounting seats, the mounting seat in the middle of the outer wall of one side of the valve body is rotationally clamped with a first front shaft, the mounting seats at the two sides of the first front shaft are rotationally clamped with the second front shaft, the mounting seats at the outer wall of the other side of the valve body are rotationally clamped with the rear shaft, one end of the first front shaft penetrates through the valve body and is provided with a first valve plate through a bolt with the rear shaft, one end of the second front shaft penetrates through the valve body and is provided with a second valve plate through a bolt with the rear shaft, cranks are fixedly arranged at the other ends of the first front shaft and the second front shaft, a first pin shaft and a second pin shaft are respectively and fixedly connected on the cranks at the second front shaft and the first front shaft, the first pin shaft rotates two ends of the clamping transmission arm respectively, and the second pin shaft rotates the middle of the clamping transmission arm.
In an embodiment of the present invention, bearings are installed between the end surface of the mounting seat and the first front shaft, the second front shaft and the rear shaft, and a packing assembly is installed between the inner cavity of the mounting seat and the first front shaft, the second front shaft and the rear shaft.
In a preferred embodiment, a bracket is fixedly connected to the mounting seat at the first front axle, an electric actuator is mounted on the bracket, the electric actuator is a servo motor, and an output shaft of the electric actuator is fixedly connected to the first front axle.
The preferred embodiment, first round pin axle is kept away from articulate one end and is rotated and run through transmission arm threaded connection stop nut, second round pin axle is kept away from articulate one end and is rotated middle part and the fixed connection retaining ring that runs through the transmission arm, the epaxial solid fixed ring and the slip ring of cup jointing of second round pin, gu fixed ring fixed connection transmission arm, the slip ring slides and cup joints second round pin axle, installation matched with locking tooth between the bottom terminal surface of slip ring and the fixed ring, the epaxial spring that cup joints that slides of second round pin, the both ends of spring closely press respectively on retaining ring and slip ring, the both sides outer wall of second round pin axle has all opened the guide way, the equal fixed mounting slide bar of the both sides inner wall of slip ring, slide bar slip joint guide way.
In a preferred embodiment, the spring is always in a compressed state, the guide groove is in an inverted L-shaped structure, and the width of the guide groove is equal to the diameter of the sliding rod.
An embodiment of preferred, the fixed welding of the circumference inner wall of valve body is interior the casing, form the air current way in the interior casing, the fixed one end that cup joints the horn mouth of top outer wall of valve body, horn mouth intercommunication air current way, the one end of the other end fixed connection breather pipe of horn mouth, the fan is connected to the other end of breather pipe, the inner wall of interior casing is opened there are a plurality of air vents, first valve plate and second valve plate all include two blades, two a plurality of strengthening ribs of fixed mounting between the blade, the blade is respectively through the both sides of the first front axle of bolt fixed connection, second front axle and rear axle, the equal fixed mounting baffle of the outer wall of the interior casing of air vent both sides, the bolt mounting closing plate is passed through at the edge of blade.
In a preferred embodiment, the air vents are internally and fixedly provided with one-way valves, the allowed flow direction of the one-way valves is from the air flow channel to the inner cavity of the valve body, the air vents are uniformly distributed along the circumferential direction of the inner shell, the air vents, the first front shaft, the second front shaft and the rear shaft are positioned on the same plane, the baffle plates are of annular structures, and the widths of the two baffle plates are gradually reduced along the opening direction of the blades.
Compared with the prior art, the invention has the beneficial effects that:
1. the first front shaft and the second front shaft can be driven to synchronously rotate through the transmission arm and the crank, the first front shaft drives the first valve plate to rotate, the second front shaft synchronously drives the second valve plate to rotate, and the control is convenient and fast;
2. the first valve plate and the second valve plate are combined and sealed, so that the required valve body width is ensured after the first valve plate and the second valve plate are completely opened, the size of the sealing valve is reduced, the distances from the first valve plate and the second valve plate to the first front shaft and the second front shaft respectively are reduced in a combined mode, the torque borne by the valve plates when the sealing valve is sealed is reduced, and the strength and the sealing property are improved;
3. when the sealing valve is closed, the blade is rotated into the valve body, the vent holes are opposite to the blade gaps, the sealing plate is tightly attached to the baffle plate, the fan is started, so that air is blown into the airflow channel through the vent pipes and the horn mouth, the airflow channel sends sealing air into the blade gaps through the vent holes, the bearing capacity of the blade is improved, the sealing plate, the baffle plate and the attaching degree are improved, and the sealing effect is improved;
4. the sealing valve can be designed into an electric model and a manual model, the electric model directly controls the first front shaft to rotate through the electric executive component so as to realize the integral opening and closing and locking of the sealing valve, and in the manual model, the second pin shaft and the transmission arm are fixed and rotated through the attaching and the separating of the sliding ring and the fixing ring, so that the valve is conveniently adjusted and then locked, and the automatic action of the sealing valve in use is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic left side view of the present invention;
FIG. 3 is a structural diagram illustrating an open state of the present invention;
FIG. 4 is a schematic view of a partial structure of a sealing plate when the present invention is closed;
FIG. 5 is a partial structural view of a driving arm in embodiment 2 of the present invention;
fig. 6 is a partial structural view of a slip ring in embodiment 2 of the present invention.
In the figure: 1. a valve body; 2. a mounting seat; 3. a first front axle; 4. a second front axle; 5. a rear axle; 6. a first valve plate; 7. a second valve plate; 8. a crank; 9. a drive arm; 10. a bearing; 11. a packing assembly; 12. a breather pipe; 13. a fan; 14. a bell mouth; 15. an inner housing; 16. an air flow channel; 17. a vent hole; 18. a baffle plate; 19. a blade; 20. reinforcing ribs; 21. a sealing plate; 22; a first pin shaft; 23. a second pin shaft; 24. a fixing ring; 25. a slip ring; 26. a stop tooth; 27. a retainer ring; 28. a spring; 29. a slide bar; 30. a guide groove.
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.
Example 1
Referring to fig. 1-4, the present invention provides a technical solution: a double-layer sealing valve for ship desulfurization comprises a valve body 1, flanges are arranged at the edges of two ends of the valve body 1, mounting seats 2 are fixedly arranged on the outer walls of two sides of the valve body 1, a first front shaft 3 is rotatably clamped on the mounting seat 2 in the middle of the outer wall of one side of the valve body 1, second front shafts 4 are rotatably clamped on the mounting seats 2 on two sides of the first front shaft 3, a rear shaft 5 is rotatably clamped on the mounting seat 2 on the outer wall of the other side of the valve body 1, a first valve plate 6 is arranged between one end of the first front shaft 3 and the rear shaft 5 through a bolt, a second valve plate 7 is arranged between one end of the second front shaft 4 and the rear shaft 5 through a bolt, cranks 8 are fixedly arranged at the other ends of the first front shaft 3 and the second front shaft 4, a first pin shaft 22 and a second pin shaft 23 are fixedly connected on the cranks 8 at the second front shaft 4 and the first front shaft 3 respectively, the first pin shaft 22 is rotatably clamped at two ends of arms 9 respectively, the second pin shaft 23 rotates to clamp the middle part of the transmission arm 9. The transmission arm 9 and the crank 8 can drive the first front shaft 3 and the second front shaft 4 to synchronously rotate, then the first front shaft 3 drives the first valve plate 6 to rotate, the second front shaft 4 synchronously drives the second valve plate 7 to rotate, the valve body 1 can be completely sealed when the first valve plate 6 and the second valve plate 7 are mutually attached, the first valve plate 6 and the second valve plate 7 are combined and sealed, the width of the valve body 1 required after the first valve plate 6 and the second valve plate 7 are completely opened is enabled, the size of a sealing valve is reduced, the distances from the first valve plate 6 and the second valve plate 7 to the first front shaft 3 and the second front shaft 4 respectively are reduced through a combined mode, the torque borne by the valve plate when the sealing valve is sealed is reduced, and the strength and the sealing performance are improved.
The mounting base 2 at the first front axle 3 is fixedly connected with the support, the support is provided with the electric actuator, the electric actuator is a servo motor, an output shaft of the electric actuator is fixedly connected with the first front axle 3, the electric actuator directly drives the first front axle 3 to rotate, the first front axle 3 drives the second front axle 4 to synchronously rotate through the crank 8 and the transmission arm 9 when rotating, linkage control is realized, the position locking of the first front axle 3 and the second front axle 4 is realized through the servo control of the electric actuator, and the self opening or closing of the sealing valve is avoided.
An inner shell 15 is fixedly welded on the circumferential inner wall of a valve body 1, an airflow channel 16 is formed in the inner shell 15, one end of a bell mouth 14 is fixedly sleeved on the top outer wall of the valve body 1, the bell mouth 14 is communicated with the airflow channel 16, the other end of the bell mouth 14 is fixedly connected with one end of a vent pipe 12, the other end of the vent pipe 12 is connected with a fan 13, a plurality of vent holes 17 are formed in the inner wall of the inner shell 15, a first valve plate 6 and a second valve plate 7 both comprise two blades 19, a plurality of reinforcing ribs 20 are fixedly installed between the two blades 19, the blades 19 are respectively fixedly connected with the first front shaft 3, the second front shaft 4 and the two sides of the rear shaft 5 through bolts, baffles 18 are fixedly installed on the outer walls of the inner shell 15 on the two sides of the vent holes 17, sealing plates 21 are installed on the edges of the blades 19 through bolts, check valves, the vent holes 17 are evenly distributed along the circumferential direction of the inner shell 15, the vent holes 17 and the first front shaft 3, the second front shaft 4 and the rear shaft 5 are positioned on the same plane, the baffle plate 18 is of an annular structure, when the sealing valve is closed, the vane 19 rotates into the valve body 1, the vent hole 17 faces the gap of the vane 19, the sealing plate 21 is tightly attached to the baffle 18, the fan 13 is started, so that air is blown into the air flow channel 16 through the vent pipe 12 and the bell mouth 14, the air flow channel 16 sends sealing air into gaps among the blades 19 through the plurality of vent holes 17, the bearing capacity of the blades 19 is improved, the sealing plate 21 and the baffle plate 18 are attached to each other, the sealing effect is improved, when the sealing valve is opened, the vanes 19 are rotated in the direction of the arrows in fig. 4, the widths of the two shutters 18 are gradually reduced in the opening direction of the vanes 19, the first valve plate 6 and the second valve plate 7 are convenient to rotate and open, and the baffle plate 18 is prevented from blocking the valve plates to rotate.
Example 2
Referring to fig. 1-6, the present invention provides a technical solution: a double-layer sealing valve for ship desulfurization comprises a valve body 1, flanges are arranged at the edges of two ends of the valve body 1, mounting seats 2 are fixedly arranged on the outer walls of two sides of the valve body 1, a first front shaft 3 is rotatably clamped on the mounting seat 2 in the middle of the outer wall of one side of the valve body 1, second front shafts 4 are rotatably clamped on the mounting seats 2 on two sides of the first front shaft 3, a rear shaft 5 is rotatably clamped on the mounting seat 2 on the outer wall of the other side of the valve body 1, a first valve plate 6 is arranged between one end of the first front shaft 3 and the rear shaft 5 through a bolt, a second valve plate 7 is arranged between one end of the second front shaft 4 and the rear shaft 5 through a bolt, cranks 8 are fixedly arranged at the other ends of the first front shaft 3 and the second front shaft 4, a first pin shaft 22 and a second pin shaft 23 are fixedly connected on the cranks 8 at the second front shaft 4 and the first front shaft 3 respectively, the first pin shaft 22 is rotatably clamped at two ends of arms 9 respectively, the second pin shaft 23 rotates to clamp the middle part of the transmission arm 9. The transmission arm 9 and the crank 8 can drive the first front shaft 3 and the second front shaft 4 to synchronously rotate, then the first front shaft 3 drives the first valve plate 6 to rotate, the second front shaft 4 synchronously drives the second valve plate 7 to rotate, the valve body 1 can be completely sealed when the first valve plate 6 and the second valve plate 7 are mutually attached, the first valve plate 6 and the second valve plate 7 are combined and sealed, the width of the valve body 1 required after the first valve plate 6 and the second valve plate 7 are completely opened is enabled, the size of a sealing valve is reduced, the distances from the first valve plate 6 and the second valve plate 7 to the first front shaft 3 and the second front shaft 4 respectively are reduced through a combined mode, the torque borne by the valve plate when the sealing valve is sealed is reduced, and the strength and the sealing performance are improved.
One end of a first pin shaft 22, which is far away from a crank 8, rotates to penetrate through a transmission arm 9 and is in threaded connection with a limit nut, one end of a second pin shaft 23, which is far away from the crank 8, rotates to penetrate through the middle of the transmission arm 9 and is fixedly connected with a check ring 27, a fixing ring 24 and a sliding ring 25 are sleeved on the second pin shaft 23, the fixing ring 24 is fixedly connected with the transmission arm 9, the sliding ring 25 is slidably sleeved on the second pin shaft 23, a matched stop tooth 26 is installed between the bottom end face of the sliding ring 25 and the fixing ring 24, a spring 28 is slidably sleeved on the second pin shaft 23, two ends of the spring 28 are respectively and tightly pressed on the check ring 27 and the sliding ring 25, guide grooves 30 are respectively formed in the outer walls of two sides of the second pin shaft 23, slide bars 29 are fixedly installed on the inner walls of two sides of the sliding ring 25, the slide bars 29 are slidably clamped in the, when the sealing valve is set in a manual mode, by installing the sliding ring 25 on the second pin shaft 23, when the sealing valve is manually adjusted to open or close, the sliding ring 25 is pulled first, the spring 28 is compressed, the sliding ring 25 slides out of the fixing ring 24, at this time, the sliding rod 29 slides into the horizontal groove along the vertical groove of the guide groove 30, the sliding ring 25 is kept fixed, the stopping tooth 26 is kept in a separated state, at this time, the second pin shaft 23 can rotate relative to the transmission arm 9, the transmission arm 9 can be manually pulled, so that the first front shaft 3 and the second front shaft 4 rotate synchronously, after the sealing valve is adjusted, the sliding ring 25 is rotated, so that the sliding rod 29 slides from the horizontal groove of the guide groove 30 to the vertical groove, the sliding ring 25 is released, the elastic force of the spring 28 pushes the sliding ring 25, so that the sliding ring 25 abuts against the fixing ring 24, at this time, the stopping tooth 26 is engaged, so that the second pin shaft 23 and the transmission, avoiding the automatic action of the sealing valve in use.
An inner shell 15 is fixedly welded on the circumferential inner wall of a valve body 1, an airflow channel 16 is formed in the inner shell 15, one end of a bell mouth 14 is fixedly sleeved on the top outer wall of the valve body 1, the bell mouth 14 is communicated with the airflow channel 16, the other end of the bell mouth 14 is fixedly connected with one end of a vent pipe 12, the other end of the vent pipe 12 is connected with a fan 13, a plurality of vent holes 17 are formed in the inner wall of the inner shell 15, a first valve plate 6 and a second valve plate 7 both comprise two blades 19, a plurality of reinforcing ribs 20 are fixedly installed between the two blades 19, the blades 19 are respectively fixedly connected with the first front shaft 3, the second front shaft 4 and the two sides of the rear shaft 5 through bolts, baffles 18 are fixedly installed on the outer walls of the inner shell 15 on the two sides of the vent holes 17, sealing plates 21 are installed on the edges of the blades 19 through bolts, check valves, the vent holes 17 are evenly distributed along the circumferential direction of the inner shell 15, the vent holes 17 and the first front shaft 3, the second front shaft 4 and the rear shaft 5 are positioned on the same plane, the baffle plate 18 is of an annular structure, when the sealing valve is closed, the vane 19 rotates into the valve body 1, the vent hole 17 faces the gap of the vane 19, the sealing plate 21 is tightly attached to the baffle 18, the fan 13 is started, so that air is blown into the air flow channel 16 through the vent pipe 12 and the bell mouth 14, the air flow channel 16 sends sealing air into gaps among the blades 19 through the plurality of vent holes 17, the bearing capacity of the blades 19 is improved, the sealing plate 21 and the baffle plate 18 are attached to each other, the sealing effect is improved, when the sealing valve is opened, the vanes 19 are rotated in the direction of the arrows in fig. 4, the widths of the two shutters 18 are gradually reduced in the opening direction of the vanes 19, the first valve plate 6 and the second valve plate 7 are convenient to rotate and open, and the baffle plate 18 is prevented from blocking the valve plates to rotate.
The working principle is as follows: in the invention, when in use, the transmission arm 9 and the crank 8 can drive the first front shaft 3 and the second front shaft 4 to synchronously rotate, the first front shaft 3 drives the first valve plate 6 to rotate, the second front shaft 4 synchronously drives the second valve plate 7 to rotate, the valve body 1 can be completely sealed when the first valve plate 6 and the second valve plate 7 are mutually attached, the width of the valve body 1 required after the first valve plate 6 and the second valve plate 7 are completely opened is ensured by combining and sealing the first valve plate 6 and the second valve plate 7, the size of the sealing valve is reduced, the distance from the first valve plate 6 and the second valve plate 7 to the first front shaft 3 and the second front shaft 4 respectively is reduced by combining and sealing, the torque borne by the valve plate when the sealing valve is sealed is reduced, the strength and the sealing performance are improved, the vanes 19 are rotated into the valve body 1 when the sealing valve is closed, the vent holes 17 are over against the clearances of the vanes 19, the sealing plate 21 is tightly attached, at the moment, the fan 13 is started, so that air is blown into the air flow channel 16 through the vent pipe 12 and the bell mouth 14, the air flow channel 16 sends sealing air into gaps among the blades 19 through the plurality of vent holes 17, the bearing capacity of the blades 19 is improved, the sealing plate 21, the baffle plate 18 and the fitting degree are improved, the sealing effect is improved, the sealing valve can be designed into an electric model and a manual model, the electric model directly controls the rotation of the first front shaft 3 through an electric actuator so as to realize the integral opening and closing and locking of the sealing valve, in the manual model, the sliding ring 25 is pulled, the spring 28 is compressed, the sliding ring 25 is slid and separated from the fixing ring 24, the sliding rod 29 slides into a horizontal groove along a vertical groove of the guide groove 30, the sliding ring 25 is kept fixed, the stopping tooth 26 is kept in a separated state, the second pin shaft 23 can rotate relative to the driving arm 9, the driving arm 9 can be manually pulled, so that, after the sealing valve is adjusted, the sliding ring 25 is rotated, so that the sliding rod 29 slides from the horizontal groove to the vertical groove of the guide groove 30, the sliding ring 25 is loosened, the elastic force of the spring 28 pushes the sliding ring 25, the sliding ring 25 is attached to the fixing ring 24, at the moment, the stopping teeth 26 are meshed, the second pin shaft 23 and the transmission arm 9 cannot rotate relatively, the position fixing of the valve plate is realized, and the sealing valve is prevented from automatically acting in use.
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.
Claims (7)
1. The utility model provides a marine desulfurization double-deck seal valve, includes valve body (1), the both ends edge of valve body (1) all is equipped with the flange, its characterized in that: the outer walls of two sides of the valve body (1) are fixedly provided with the mounting seats (2), the mounting seat (2) in the middle of the outer wall of one side of the valve body (1) is rotationally clamped with the first front shaft (3), the mounting seats (2) on two sides of the first front shaft (3) are rotationally clamped with the second front shaft (4), the mounting seat (2) at the outer wall of the other side of the valve body (1) is rotationally clamped with the rear shaft (5), one end of the first front shaft (3) penetrates through the valve body (1) and is mounted with the rear shaft (5) through a bolt to mount the first valve plate (6), one end of the second front shaft (4) penetrates through the valve body (1) and is mounted with the rear shaft (5) through a bolt to mount the second valve plate (7), the other ends of the first front shaft (3) and the second front shaft (4) are fixedly provided with a crank (8), and the crank (8) at the positions of the second front shaft (4) and the first front shaft (3) are fixedly connected with a first pin shaft (22) and a second pin (23) respectively, the first pin shaft (22) rotates two ends of the clamping transmission arm (9) respectively, and the second pin shaft (23) rotates the middle of the clamping transmission arm (9).
2. The marine desulfurization double seal valve according to claim 1, characterized in that: bearing (10) are all installed between the terminal surface of mount pad (2) and first front axle (3), second front axle (4) and rear axle (5), all install packing assembly (11) between the inner chamber of mount pad (2) and first front axle (3), second front axle (4) and rear axle (5).
3. The marine desulfurization double seal valve according to claim 1, characterized in that: a support is fixedly connected to the mounting seat (2) at the position of the first front shaft (3), an electric actuator is mounted on the support and is a servo motor, and an output shaft of the electric actuator is fixedly connected with the first front shaft (3).
4. The marine desulfurization double seal valve according to claim 1, characterized in that: the one end that crank (8) was kept away from in first round pin axle (22) is rotated and is run through driving arm (9) threaded connection stop nut, the one end that crank (8) was kept away from in second round pin axle (23) is rotated and is run through middle part and fixed connection retaining ring (27) of driving arm (9), cup joint solid fixed ring (24) and slip ring (25) on second round pin axle (23), gu fixed ring (24) fixed connection driving arm (9), slip ring (25) slip cap joint second round pin axle (23), installation matched with locking tooth (26) between the bottom terminal surface of slip ring (25) and solid fixed ring (24), slip cap joint spring (28) on second round pin axle (23), the both ends of spring (28) closely press retaining ring (27) and slip ring (25) respectively, guide way (30) have all been opened to the both sides outer wall of second round pin axle (23), the equal fixed mounting slide bar (29) of both sides inner wall of slip ring (25), the sliding rod (29) is slidably clamped with the guide groove (30).
5. The marine desulfurization double seal valve according to claim 4, characterized in that: the spring (28) is always in a compressed state, the guide groove (30) is of an inverted L-shaped structure, and the width of the guide groove (36) is equal to the diameter of the sliding rod (29).
6. The marine desulfurization double seal valve according to claim 1, characterized in that: the fixed welding of circumference inner wall of valve body (1) is interior casing (15), form air current channel (16) in interior casing (15), the fixed one end that cup joints horn mouth (14) of top outer wall of valve body (1), horn mouth (14) intercommunication air current channel (16), the one end of other end fixed connection breather pipe (12) of horn mouth (14), fan (13) are connected to the other end of breather pipe (12), the inner wall of interior casing (15) is opened has a plurality of air vents (17), first valve plate (6) and second valve plate (7) all include two blades (19), two a plurality of strengthening ribs (20) of fixed mounting between blade (19), the both sides of first front axle (3), second front axle (4) and rear axle (5) are passed through bolt fixed connection respectively in blade (19), the outer wall of interior casing (15) of air vent (17) both sides all fixed mounting baffle (18), the edges of the blades (19) are bolted to sealing plates (21).
7. The marine desulfurization double seal valve according to claim 6, characterized in that: the air vent (17) is internally and fixedly provided with a one-way valve, the allowed flow direction of the one-way valve is from the air flow channel (16) to the inner cavity of the valve body (1), the air vent (17) is uniformly distributed along the circumferential direction of the inner shell (15), the air vent (17), the first front shaft (3), the second front shaft (4) and the rear shaft (5) are positioned on the same plane, the baffle (18) is of an annular structure, and the width of the two baffles (18) is gradually reduced along the opening direction of the blades (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110241580.3A CN113007362A (en) | 2021-03-04 | 2021-03-04 | Marine desulfurization double-layer sealing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110241580.3A CN113007362A (en) | 2021-03-04 | 2021-03-04 | Marine desulfurization double-layer sealing valve |
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| Publication Number | Publication Date |
|---|---|
| CN113007362A true CN113007362A (en) | 2021-06-22 |
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|---|---|---|---|
| CN202110241580.3A Pending CN113007362A (en) | 2021-03-04 | 2021-03-04 | Marine desulfurization double-layer sealing valve |
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| Country | Link |
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| CN (1) | CN113007362A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165606A (en) * | 2021-10-22 | 2022-03-11 | 江苏盈达机电科技有限公司 | Air valve blade convenient to install |
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Application publication date: 20210622 |