CN115492978A - Easily overhaul monolithic formula middling pressure trap - Google Patents

Easily overhaul monolithic formula middling pressure trap Download PDF

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Publication number
CN115492978A
CN115492978A CN202211144119.7A CN202211144119A CN115492978A CN 115492978 A CN115492978 A CN 115492978A CN 202211144119 A CN202211144119 A CN 202211144119A CN 115492978 A CN115492978 A CN 115492978A
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CN
China
Prior art keywords
valve body
body shell
sealing cover
upper sealing
penetrating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211144119.7A
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Chinese (zh)
Inventor
栾俊
齐东升
文子强
付宁
张斌
王可冰
余小兵
孙鹏
刘学亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaneng Jinan Huangtai Power Generation Co Ltd
Original Assignee
Huaneng Jinan Huangtai Power Generation Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huaneng Jinan Huangtai Power Generation Co Ltd filed Critical Huaneng Jinan Huangtai Power Generation Co Ltd
Priority to CN202211144119.7A priority Critical patent/CN115492978A/en
Publication of CN115492978A publication Critical patent/CN115492978A/en
Pending legal-status Critical Current

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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
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
    • 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
    • F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
    • 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
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
    • 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
    • F16K31/53—Mechanical actuating means with toothed gearing
    • 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
    • F16L23/00—Flanged joints
    • F16L23/02—Flanged joints the flanges being connected by members tensioned axially
    • F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
    • 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
    • F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
    • F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
    • F16T1/20—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers with valves controlled by floats
    • F16T1/22—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers with valves controlled by floats of closed-hollow-body type
    • 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
    • F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
    • F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
    • F16T1/38—Component parts; Accessories

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Details Of Valves (AREA)

Abstract

The invention discloses an easy-to-overhaul single-piece type medium-pressure drain valve, which comprises a hollow valve body shell coated with anticorrosive paint; the air inlet pipe is fixedly arranged on the left side of the valve body shell in a penetrating way; the mounting flange is coaxially and fixedly mounted on the outer sides of the air inlet pipe and the air outlet pipe; and the positioning groove is fixedly arranged in the middle of the bottom end in the valve body shell. This easily overhaul monolithic formula middling pressure trap, adopt neotype structural design, make the device can expose inside spare part through dismantling sealed upper cover when breaking down, make things convenient for the staff to overhaul, and utilize the transmission between the gear to drive sealed dish when dismantling sealed upper cover and rotate, seal the intake pipe, thereby can overhaul under the condition that need not close the main valve, the operation is more convenient also not to influence steam system's normal use, the closing plate can carry out secondary seal immediately when inside temperature sensing discharge valve damages simultaneously, avoid appearing the condition of steam leakage.

Description

Easily overhaul monolithic formula middling pressure trap
Technical Field
The invention relates to the technical field of drain valves, in particular to a single-piece type medium-pressure drain valve easy to overhaul.
Background
The steam trap is a valve tool used in a steam pipeline system, and mainly has the function of discharging condensed water, air and carbon dioxide gas in the steam system as soon as possible, and simultaneously can prevent steam leakage to the maximum extent.
In the prior art, chinese patent with publication number CN211738618U discloses an air exhausting device for a steam trap, which includes a valve body, wherein an installation frame is arranged on the valve body, an installation cavity is arranged at the bottom of the installation frame, a first bimetallic strip and a second bimetallic strip are arranged in the installation cavity, a fixing bolt is connected between the first bimetallic strip and the second bimetallic strip, the fixing bolt is connected with a top pillar, a cylindrical groove is arranged at a position on the installation frame corresponding to the top pillar, the outer side of the cylindrical groove is communicated with an air inlet, the air inlet is arranged on the installation frame, the top of the cylindrical groove is communicated with a movable groove, a movable ball is arranged in the movable groove, the movable groove is communicated with an air outlet, the air outlet is communicated with a trap air outlet, and the trap air outlet is arranged on the valve body.
However, in the actual use process of the trap, the general valve body shell is of an integrated molding structure, and the requirement on the sealing performance of the valve body is high, so that the trap is difficult to directly contact internal devices when a damage fault occurs inside the valve body, and certain difficulty is brought to the overhaul.
Disclosure of Invention
The invention aims to provide a single-piece type medium-pressure drain valve easy to overhaul so as to solve the problem that the prior art is inconvenient to overhaul when internal devices are damaged and fail.
In order to achieve the purpose, the invention provides the following technical scheme: an easy-to-overhaul single-piece medium-pressure drain valve comprises a hollow valve body shell coated with anticorrosive paint, and further comprises:
the air inlet pipe is fixedly arranged on the left side of the valve body shell in a penetrating manner, the air outlet pipe is arranged on the right side of the valve body shell in a penetrating manner, and the air outlet pipe and the transverse central axis of the air inlet pipe are positioned on the same horizontal line;
the mounting flange is coaxially and fixedly mounted on the outer sides of the air inlet pipe and the air outlet pipe and is fixedly connected with the main pipeline through screws;
the positioning groove is fixedly arranged in the middle of the bottom end in the valve body shell, and the positioning groove is of a hollow cylindrical structure without a cover;
the inner partition board is fixedly arranged in the middle of the inside of the valve body shell, the whole inner partition board is of an inclined structure with a middle-high edge, the side surface of the inner partition board and the inner wall of the valve body shell form a sealing structure, a longitudinally-penetrating hole-shaped structure is arranged in the middle of the inner partition board, and a vertically-penetrating filter screen is fixedly arranged inside the inner partition board on the left side;
the buoyancy ball is arranged inside the positioning groove, the outer surface of the buoyancy ball is attached to the inner wall of the positioning groove, the buoyancy ball is a rust-resistant stainless steel hollow ball body, and the radius of the buoyancy ball is larger than the height of the positioning groove;
the limiting rod is fixedly and longitudinally arranged in the middle of the lower surface of the buoyancy ball, and a sealed sliding penetrating structure is formed between the limiting rod and the valve body shell;
the water drainage pipe is fixedly arranged at the lower end of the right side of the valve body shell in a penetrating way, and the front end of the water drainage pipe and the right side surface of the positioning groove form a penetrating structure;
the upper sealing cover is arranged at the upper end of the valve body shell, the lower half part of the upper sealing cover is arranged into a hollow cylindrical structure positioned in the valve body shell, the bottom of the upper sealing cover and the internal partition form a joint type sealing structure, the upper sealing cover and the valve body shell form a disassembly and assembly structure through a fixing bolt which is in through connection with the upper sealing cover, and a sealing ring corresponding to an opening of the valve body shell is arranged on the outer surface of the middle part of the upper sealing cover;
the through hole transversely penetrates through the right side surface of the cylindrical structure at the lower half part of the upper sealing cover;
and the temperature sensing exhaust valve is fixedly installed inside the lower end of the upper sealing cover by using a screw, the temperature sensing exhaust valve is communicated with the inner side and the outer side of the lower end of the upper sealing cover, and the temperature sensing exhaust valve is automatically closed at high temperature.
Preferably, the inside rotation in intake pipe bottom installs the sealed dish that is circular structure, just the external diameter of sealed dish equals the intake pipe internal diameter can realize the sealed to the intake pipe when sealed dish rotates the position of side and intake pipe inner wall laminating to block inside steam admission valve body shell.
Preferably, the upper end of the sealing disc is fixedly provided with a driven bevel gear positioned outside the air inlet pipe, the side surface of the driven bevel gear is meshed with a transmission gear set rotatably installed on the valve body shell, and the driven bevel gear meshed with the left side of the transmission gear set is driven to rotate by the aid of the rotation of the transmission gear set.
Preferably, the transmission gear set consists of two bevel gears which are coaxially and fixedly connected with each other at the left and right sides, the right end of the transmission gear set is in meshed connection with the driving bevel gear, and the transmission gear set in meshed connection with the driving bevel gear can be driven to rotate by the rotation of the driving bevel gear.
Preferably, the coaxial fixed mounting in drive bevel gear top has the friction gyro wheel, just friction gyro wheel side surface and fixing bolt extrusion laminating, and the whole rubber material that sets up to the roughness in surface of friction gyro wheel utilizes frictional force to drive the friction gyro wheel rotation when rotating fixing bolt and dismantling sealed upper cover to make the synchronous rotation of drive bevel gear of its below.
Preferably, the filter screen top be provided with valve body shell inner wall fixed connection's dust collecting tank, just the fixed surface that is provided with soft brush that blocks of dust collecting tank front end lower surface, just valve body shell left surface runs through threaded connection and has the sealing plug that corresponds each other with the dust collecting tank position, utilizes the filter screen can filter the impurity in condensate and the steam to wash into the dust collecting tank under the washing away of rivers and collect.
Preferably, the inside right side top fixed mounting of valve body shell has temperature and humidity sensor, just the inside intermediate position of sealed upper cover transversely is provided with the closing plate, and the closing plate sets up to ferrous material, utilizes the high temperature and high humidity environment that produces when temperature and humidity sensor can sense steam leakage.
Preferably, the sealing plate and a guide rod longitudinally and fixedly installed inside the upper sealing cover form an up-and-down sliding structure, an extrusion spring positioned above the sealing plate is arranged outside the upper end of the guide rod, and the sealing plate can be pushed downwards to the lower part of the through hole along the guide rod by the elastic action of the extrusion spring.
Preferably, a strong electromagnet is fixedly installed inside the top end of the upper sealing cover, a magnetic adsorption structure is formed between the strong electromagnet and the sealing plate, the strong electromagnet is electrically connected with a built-in battery fixedly installed above the upper sealing cover through a lead, and the magnetism of the strong electromagnet is controlled by controlling the power-on and power-off of the built-in battery to the strong electromagnet.
Compared with the prior art, the invention has the beneficial effects that: this easily overhaul monolithic formula middling pressure trap, adopt neotype structural design, make the device can expose inside spare part through dismantling sealed upper cover when breaking down, make things convenient for the staff to overhaul, and utilize the transmission between the gear to drive sealed dish when dismantling sealed upper cover and rotate, seal the intake pipe, thereby can overhaul under the condition that need not close the main valve, the operation is more convenient also does not influence steam system's normal use, the closing plate can carry out secondary seal immediately when inside temperature sensing discharge valve damages simultaneously, avoid appearing the condition of steam leakage, its concrete content is as follows:
1. the intake pipe, cooperation between fixing bolt and the sealed dish is used, when twisting fixing bolt and dismantling sealed upper cover, pivoted fixing bolt utilizes frictional force to drive the friction gyro wheel and takes place to rotate, thereby utilize transmission between initiative bevel gear and the rotating gear group to drive driven bevel gear and take place to rotate, finally utilize driven bevel gear to drive sealed dish and rotate the position of side and the laminating of intake pipe inner wall, the realization is to the sealed effect of intake pipe, avoid steam to continue to get into the valve body shell, thereby need not close the main valve and can overhaul the operation to valve body shell inside.
2. The filter screen, the dust collecting groove and the blocking brush are matched for use, impurities contained in the steam and the condensed water are filtered out when the steam and the condensed water pass through the filter screen, the impurities pass through the blocking brush to be flushed into the dust collecting groove to be collected under the action of water flow, and backflow can be prevented under the blocking action of the blocking brush.
3. The cooperation between closing plate, extrusion spring and the powerful electro-magnet is used, utilizes the high temperature and high humidity that temperature and humidity sensor produced when sensing steam leakage when temperature sensing discharge valve damages to control built-in battery disconnection to the power supply of powerful electro-magnet, promote the below of through hole downwards with the closing plate under extrusion spring's effect this moment, thereby realize secondary seal's effect, avoid steam to continue to leak.
Drawings
FIG. 1 is a schematic front view of a valve body housing according to the present invention;
FIG. 2 is a schematic view of a sectional elevation view of the valve body housing in a state of buoyancy ball sealing according to the present invention;
FIG. 3 is a schematic structural view of a sectional elevation view of a valve body shell in a floating state of the buoyant ball according to the present invention;
FIG. 4 is a schematic top sectional view of the buoyant hull of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 6 is a schematic top view of the seal disk of the present invention;
FIG. 7 is a schematic cross-sectional front view of the sealing cover of the present invention;
FIG. 8 is an enlarged view of the structure at B in FIG. 2 according to the present invention;
fig. 9 is a flow chart of the operation of the temperature and humidity sensor according to the present invention.
In the figure: 1. a valve body housing; 2. an air inlet pipe; 3. an air outlet pipe; 4. installing a flange; 5. positioning a groove; 6. an internal partition; 601. a filter screen; 7. a buoyant ball; 8. a limiting rod; 9. a drain pipe; 10. sealing the upper cover; 1001. fixing the bolt; 1002. a seal ring; 11. a through hole; 12. a temperature sensing exhaust valve; 13. sealing the disc; 14. a driven bevel gear; 15. a drive gear set; 16. a drive bevel gear; 17. rubbing the roller; 18. a dust collecting groove; 19. a blocking brush; 20. a sealing plug; 21. a temperature and humidity sensor; 22. sealing plates; 23. a guide bar; 24. a compression spring; 25. a powerful electromagnet; 26. a battery is built in.
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.
Referring to fig. 1-9, the present invention provides a technical solution: an easy-to-overhaul single-piece medium-pressure drain valve comprises a hollow valve body shell 1 coated with anticorrosive paint, and further comprises: the air inlet pipe 2 is fixedly installed on the left side of the valve body shell 1 in a penetrating mode, the air outlet pipe 3 is installed on the right side of the valve body shell 1 in a penetrating mode, and the air outlet pipe 3 and the transverse central axis of the air inlet pipe 2 are located on the same horizontal line; the mounting flange 4 is coaxially and fixedly mounted on the outer sides of the air inlet pipe 2 and the air outlet pipe 3, and the mounting flange 4 is fixedly connected with the main pipeline through screws; the positioning groove 5 is fixedly arranged in the middle of the bottom end in the valve body shell 1, and the positioning groove 5 is of a hollow cylindrical structure without a cover; the inner partition plate 6 is fixedly arranged in the middle of the inside of the valve body shell 1, the inner partition plate 6 is integrally of an inclined structure with a high edge and a low edge, the side surface of the inner partition plate 6 and the inner wall of the valve body shell 1 form a sealing structure, a longitudinally-penetrating hole-shaped structure is arranged in the middle of the inner partition plate 6, and meanwhile, a vertically-penetrating filter screen 601 is fixedly arranged inside the inner partition plate 6 on the left side; the buoyancy ball 7 is arranged inside the positioning groove 5, the outer surface of the buoyancy ball 7 is attached to the inner wall of the positioning groove 5, the buoyancy ball 7 is a corrosion-resistant stainless steel hollow ball body, and the radius of the buoyancy ball 7 is larger than the height of the positioning groove 5; the limiting rod 8 is fixedly and longitudinally arranged in the middle of the lower surface of the buoyancy ball 7, and a sealed sliding penetrating structure is formed between the limiting rod 8 and the valve body shell 1; the drain pipe 9 is fixedly arranged at the lower end of the right side of the valve body shell 1 in a penetrating way, and the front end of the drain pipe 9 and the right side surface of the positioning groove 5 form a penetrating structure; the upper sealing cover 10 is arranged at the upper end of the valve body shell 1, the lower half part of the upper sealing cover 10 is arranged to be a hollow cylindrical structure positioned in the valve body shell 1, the bottom of the upper sealing cover 10 and the internal partition plate 6 form a laminating type sealing structure, the upper sealing cover 10 and the valve body shell 1 form a dismounting and mounting structure through a fixing bolt 1001 in penetrating connection with the upper sealing cover 10, and a sealing ring 1002 corresponding to an opening of the valve body shell 1 is arranged on the outer surface of the middle part of the upper sealing cover 10; a through hole 11 transversely penetrates through the right side surface of the cylindrical structure at the lower half part of the upper sealing cover 10; and the temperature sensing exhaust valve 12 is fixedly installed inside the lower end of the upper sealing cover 10 by using a screw, the temperature sensing exhaust valve 12 is communicated with the inner side and the outer side of the lower end of the upper sealing cover 10, and the temperature sensing exhaust valve 12 is automatically closed at high temperature.
Before using the device, at first, utilize mounting flange 4 with valve body shell 1 fixed mounting in steam system's pipeline, cryogenic air and condensate water pass through intake pipe 2 and get into inside valve body shell 1 when steam system just opened during operation, low temperature air passes through temperature sensing discharge valve 12 and through hole 11 and finally discharges from outlet duct 3 (temperature sensing discharge valve 12 is automatic under the low temperature state opens) this moment, the condensate water storage is in the inside bottom of valve body shell 1, when the water level surpassed the height of constant head tank 5, buoyancy ball 7 upwards moves under the effect of aquatic buoyancy, the gag lever post 8 of below is corresponding upwards slided this moment, make buoyancy ball 7 keep vertical reciprocating, buoyancy ball 7 upwards moves the back water and gets into inside constant head tank 5 and discharge from drain pipe 9 (at this moment because the effect steam of water seal can't discharge from drain pipe 9), buoyancy ball 7 falls under the effect of gravity and realizes sealing with constant head tank 5 inner wall once more after the water level descends, the high temperature steam that the low temperature air evacuation got into makes temperature sensing discharge valve 12 self-closing.
2 bottom internal rotation in intake pipe installs the sealed dish 13 that is circular structure, and sealed dish 13's external diameter equals intake pipe 2 internal diameters, sealed dish 13 upper end fixed mounting has the driven bevel gear 14 that is located intake pipe 2 outsides, and driven bevel gear 14 side meshing is connected with the drive gear group 15 of rotating the installation with valve body shell 1, drive gear group 15 comprises two bevel gears of controlling coaxial fixed connection, and drive gear group 15 right-hand member is connected with the meshing of drive bevel gear 16, the coaxial fixed mounting in drive bevel gear 16 top has friction roller 17, and the side surface of friction roller 17 extrudees the laminating with fixing bolt, and friction roller 17 wholly sets up to the rough rubber material in surface.
When the component inside the valve body shell 1 breaks down, firstly, the fixing bolt 1001 is rotated to disassemble the sealing upper cover 10, the component inside the valve body shell 1 is exposed after the sealing upper cover 10 is taken down, so that the maintenance is convenient, when the fixing bolt 1001 is rotated, the friction roller 17 is driven to rotate by the friction force of the outer surface side of the fixing bolt, the friction roller 17 drives the driving bevel gear 16 below the friction roller 17 to synchronously rotate, so that the transmission gear set 15 in meshed connection with the driving bevel gear 16 synchronously rotates, the driven bevel gear 14 in meshed connection with the transmission gear set 15 on the left side drives the sealing disc 13 to rotate (when the fixing bolt 1001 is completely disassembled, the sealing disc 13 just rotates to the position where the side surface is attached to the inner wall of the air inlet pipe 2, the sealing effect on the air inlet pipe 2 is achieved), the follow-up steam is prevented from entering the valve body shell 1, the maintenance can be carried out inside the valve body shell 1 without closing a main valve, and the steam system does not need to stop running in the maintenance process.
A dust collecting groove 18 fixedly connected with the inner wall of the valve body shell 1 is arranged above the filter screen 601, a soft blocking hairbrush 19 is fixedly arranged on the lower surface of the front end of the dust collecting groove 18, and a sealing plug 20 corresponding to the position of the dust collecting groove 18 is connected with the left side surface of the valve body shell 1 in a penetrating and threaded manner.
The filter screen 601 is used for filtering passing condensed water and steam to remove impurities contained in the condensed water, the left impurities enter the dust collection groove 18 to be collected under the flushing of subsequent condensed water, meanwhile, the entering impurities are prevented from flowing back again under the action of the blocking brush 19, the sealing plug 20 is taken down after the dust collection groove is used for a period of time, and the purpose of cleaning is achieved.
Inside right side top fixed mounting of valve body shell 1 has temperature and humidity sensor 21, and the inside intermediate position of sealed upper cover 10 transversely is provided with sealing plate 22, and sealing plate 22 sets up to ferrous material, sliding structure about sealing plate 22 and vertical fixed mounting constitute at the inside guide bar 23 of sealed upper cover 10, and guide bar 23 upper end outside is provided with the extrusion spring 24 that is located sealing plate 22 top, the inside fixed mounting in sealed upper cover 10 top has powerful electromagnet 25, and constitute the magnetic adsorption structure between powerful electromagnet 25 and the sealing plate 22, and through wire electric connection between powerful electromagnet 25 and the built-in battery 26 of fixed mounting in sealed upper cover 10 top.
When the temperature-sensing exhaust valve 12 inside the sealing upper cover 10 breaks down, high-temperature and high-humidity steam inside the valve body shell 1 can be discharged from the through hole 11, the temperature and humidity sensor 21 is used for sensing the leakage of the steam at the moment, the built-in battery 26 is immediately controlled to cut off the power supply to the powerful electromagnet 25, the powerful electromagnet 25 loses magnetism, the sealing plate 22 is pushed downwards to the lower part of the through hole 11 under the elastic pushing action of the extrusion spring 24 at the moment, the secondary sealing effect is achieved, and the danger and the loss caused by the leakage of a large amount of steam before maintenance are avoided.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (9)

1. The utility model provides an easy maintenance monolithic formula middling pressure trap, includes hollow valve body shell (1) that scribbles anticorrosive paint, its characterized in that still includes:
the air inlet pipe (2) is fixedly arranged on the left side of the valve body shell (1) in a penetrating mode, the air outlet pipe (3) is arranged on the right side of the valve body shell (1) in a penetrating mode, and the air outlet pipe (3) and the air inlet pipe (2) are located on the same horizontal line in the horizontal central axis direction;
the mounting flange (4) is coaxially and fixedly mounted on the outer sides of the air inlet pipe (2) and the air outlet pipe (3), and the mounting flange (4) is fixedly connected with the main pipeline through screws;
the positioning groove (5) is fixedly arranged in the middle of the bottom end in the valve body shell (1), and the positioning groove (5) is of a hollow cylindrical structure without a cover;
the inner partition plate (6) is fixedly arranged in the middle of the inside of the valve body shell (1), the whole inner partition plate (6) is of an inclined structure with a high edge and a low edge, the side surface of the inner partition plate (6) and the inner wall of the valve body shell (1) form a sealing structure, a longitudinally-penetrating hole-shaped structure is arranged in the middle of the inner partition plate (6), and a vertically-penetrating filter screen (601) is fixedly arranged in the inner partition plate (6) on the left side;
the buoyancy ball (7) is arranged inside the positioning groove (5), the outer surface of the buoyancy ball (7) is attached to the inner wall of the positioning groove (5), the buoyancy ball (7) is a corrosion-resistant stainless steel hollow ball body, and the radius of the buoyancy ball (7) is larger than the height of the positioning groove (5);
the limiting rod (8) is fixedly and longitudinally arranged in the middle of the lower surface of the buoyancy ball (7), and a sealed sliding penetrating structure is formed between the limiting rod (8) and the valve body shell (1);
the water drainage pipe (9) is fixedly installed at the lower end of the right side of the valve body shell (1) in a penetrating mode, and the front end of the water drainage pipe (9) and the right side face of the positioning groove (5) form a penetrating structure;
the upper sealing cover (10) is arranged at the upper end of the valve body shell (1), the lower half part of the upper sealing cover (10) is arranged to be a hollow cylindrical structure positioned in the valve body shell (1), the bottom of the upper sealing cover (10) and the internal partition plate (6) form a laminating type sealing structure, the upper sealing cover (10) and the valve body shell (1) form a dismounting and mounting structure through a fixing bolt (1001) in penetrating connection with the upper sealing cover, and a sealing ring (1002) corresponding to an opening of the valve body shell (1) is arranged on the outer surface of the middle part of the upper sealing cover (10);
the through hole (11) transversely penetrates through the right side surface of the cylindrical structure at the lower half part of the upper sealing cover (10);
the temperature sensing exhaust valve (12) is fixedly installed inside the lower end of the upper sealing cover (10) through screws, the temperature sensing exhaust valve (12) is communicated with the inner side and the outer side of the lower end of the upper sealing cover (10), and the temperature sensing exhaust valve (12) is automatically closed at a high temperature.
2. An easy to service monolithic medium pressure trap as defined in claim 1 wherein: intake pipe (2) bottom internal rotation installs sealed dish (13) that are circular structure, just the external diameter of sealed dish (13) equals intake pipe (2) internal diameter.
3. An easy to service monolithic medium pressure trap as defined in claim 2 wherein: the air inlet pipe is characterized in that a driven bevel gear (14) located outside the air inlet pipe (2) is fixedly mounted at the upper end of the sealing disc (13), and a transmission gear set (15) rotatably mounted with the valve body shell (1) is connected to the side surface of the driven bevel gear (14) in a meshed mode.
4. An easy service uniwafer medium pressure trap as defined in claim 3 wherein: the transmission gear set (15) is composed of two bevel gears which are coaxially and fixedly connected left and right, and the right end of the transmission gear set (15) is meshed with the driving bevel gear (16).
5. An easy to service monolithic medium pressure trap as defined in claim 4 wherein: the friction roller (17) is coaxially and fixedly mounted above the driving bevel gear (16), the outer surface of the side of the friction roller (17) is in extrusion fit with the fixing bolt (1001), and the friction roller (17) is integrally made of rubber materials with rough surfaces.
6. An easy service uniwafer medium pressure trap as defined in claim 1 wherein: a dust collecting groove (18) fixedly connected with the inner wall of the valve body shell (1) is formed above the filter screen (601), a soft blocking brush (19) is fixedly arranged on the lower surface of the front end of the dust collecting groove (18), and a sealing plug (20) corresponding to the position of the dust collecting groove (18) is connected to the left side surface of the valve body shell (1) in a penetrating and threaded manner.
7. An easy to service monolithic medium pressure trap as defined in claim 1 wherein: the temperature and humidity sensor (21) is fixedly mounted at the top end of the right side in the valve body shell (1), a sealing plate (22) is transversely arranged at the middle position in the sealing upper cover (10), and the sealing plate (22) is made of iron materials.
8. An accessible monolithic medium pressure trap as defined in claim 7, wherein: the sealing plate (22) and a guide rod (23) which is longitudinally and fixedly installed inside the upper sealing cover (10) form an up-and-down sliding structure, and an extrusion spring (24) which is located above the sealing plate (22) is arranged outside the upper end of the guide rod (23).
9. An accessible monolithic medium pressure trap as defined in claim 8, wherein: the sealing device is characterized in that a powerful electromagnet (25) is fixedly mounted inside the top end of the upper sealing cover (10), a magnetic adsorption structure is formed between the powerful electromagnet (25) and the sealing plate (22), and the powerful electromagnet (25) is electrically connected with a built-in battery (26) fixedly mounted above the upper sealing cover (10) through a lead.
CN202211144119.7A 2022-09-20 2022-09-20 Easily overhaul monolithic formula middling pressure trap Pending CN115492978A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211144119.7A CN115492978A (en) 2022-09-20 2022-09-20 Easily overhaul monolithic formula middling pressure trap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211144119.7A CN115492978A (en) 2022-09-20 2022-09-20 Easily overhaul monolithic formula middling pressure trap

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Publication Number Publication Date
CN115492978A true CN115492978A (en) 2022-12-20

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Application Number Title Priority Date Filing Date
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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116498878A (en) * 2023-06-29 2023-07-28 艾肯（江苏）工业技术有限公司 Intelligent drain valve leakage fault detection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116498878A (en) * 2023-06-29 2023-07-28 艾肯（江苏）工业技术有限公司 Intelligent drain valve leakage fault detection device
CN116498878B (en) * 2023-06-29 2023-09-05 艾肯（江苏）工业技术有限公司 Intelligent drain valve leakage fault detection device

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