CN219064867U - Breather valve detection device - Google Patents
Breather valve detection device Download PDFInfo
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- CN219064867U CN219064867U CN202223109407.7U CN202223109407U CN219064867U CN 219064867 U CN219064867 U CN 219064867U CN 202223109407 U CN202223109407 U CN 202223109407U CN 219064867 U CN219064867 U CN 219064867U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The utility model provides a breather valve detection device, which comprises a connecting valve, an air pump, a flowmeter and a pressure gauge, wherein the connecting valve is connected with the air pump; the lower part of the connecting valve is provided with a lower interface and is communicated with the storage tank, the upper part of the connecting valve is provided with an upper interface and is communicated with the breather valve, the side wall of the connecting valve is provided with a side interface, the side interface is provided with a detachable sealing plate, the sealing plate is provided with an air inlet and outlet pipe joint and a pressure gauge joint, the air inlet and outlet pipe joint is connected with an air pump, the air pump is also connected with a flowmeter, and the pressure gauge joint is connected with the pressure gauge; the valve plate used for sealing the lower interface is arranged at the lower part of the inner side close to the side interface of the connecting valve, the valve plate is positioned below the air inlet and outlet pipe joint and the pressure gauge joint, and a control mechanism used for controlling the valve plate to be opened and closed is further arranged on the connecting valve. The device reduces the space required to be operated through the arrangement of the valve plate, only the breather valve and the connecting valve are lifted and lowered, all detection work of the breather valve and the flame arrester can be completed in a short time, and the detection efficiency is improved while the potential safety hazard and the environmental pollution are reduced.
Description
Technical Field
The utility model relates to the field of detection, in particular to a breather valve detection device.
Background
With the development of petrochemical industry, the storage tanks involved in oil and gas storage and transportation are increasing, and the national importance of safety and environmental protection is increasing. The safety problem is particularly prominent in the storage tank area which is a major hazard source, and the detection work of safety accessories of the storage tank such as a breather valve is also particularly important. The storage tank breather valve is an important accessory for protecting the safety of the oil tank, is arranged on the top plate of the oil tank and consists of a pressure valve and a vacuum valve. The oil tank has the function of keeping the tightness of the oil tank under the general condition and reducing the evaporation loss of oil products to a certain extent; and when necessary, the internal and external pressure of the oil tank can be automatically ventilated and regulated, so that the oil tank is safely acted. At present, most of the modes for detecting the breather valve are used for directly pressurizing the storage tank to test the functionality of the breather valve, but the mode is inconvenient to operate, the whole storage tank needs to be pressurized, the storage tank is large in size and long in pressurizing time, the detecting efficiency is reduced, and gas is discharged from the breather valve after the storage tank is pressurized, so that potential safety hazards and environmental pollution exist.
Disclosure of Invention
In view of the above, the present utility model is directed to a breather valve detection device, so as to improve the detection efficiency of the breather valve and reduce the potential safety hazard and environmental pollution.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a breather valve detection device comprises a connecting valve, a wind pump, a flowmeter and a pressure gauge; the lower part of the connecting valve is provided with a lower interface and is communicated with the storage tank, the upper part of the connecting valve is provided with an upper interface and is communicated with the breather valve, the side wall of the connecting valve is provided with a side interface, the side interface is provided with a detachable sealing plate, the sealing plate is provided with an air inlet and outlet pipe joint and a pressure gauge joint, the air inlet and outlet pipe joint is connected with an air pump, the air pump is also connected with a flowmeter, and the pressure gauge joint is connected with the pressure gauge;
the connecting valve comprises an upper connecting neck, a balloon and a lower connecting neck which are sequentially and integrally connected from top to bottom, wherein the upper connecting neck, the balloon and the lower connecting neck form a structure with thick middle and thin two ends; the valve plate used for sealing the lower interface is arranged at the lower part of the inner side close to the side interface of the connecting valve, the valve plate is positioned below the air inlet and outlet pipe joint and the pressure gauge joint, and a control mechanism used for controlling the valve plate to be opened and closed is further arranged on the connecting valve.
Further, the control mechanism comprises a spring, a rotating rod, a cam and a fixed component;
the lower connecting neck is sleeved with a sealing ring, the upper end of the sealing ring extends into the lower part of the saccule, and the valve plate covers the sealing ring to realize sealing; the periphery of the sealing ring is fixedly provided with a supporting flank which is connected with the valve plate through a spring; the valve plate top is equipped with horizontal pivoted bull stick, and bull stick perpendicular to closing plate, is equipped with the cam that produces downward extrusion force to the valve plate on the bull stick, and closing plate is worn out to the one end of bull stick, is equipped with the fixed subassembly that is used for fixed bull stick on the closing plate.
Further, the fixing component comprises a handle, a fixing rod, an upper fixing block and a lower fixing block; the one end that the bull stick was worn out the closing plate articulates there is the handle, is equipped with the symmetry on the closing plate and sets up last fixed block and the lower fixed block in bull stick top and below, and the dead lever inserts and establishes on the handle, all is equipped with the fixed orifices that is used for inserting to establish the dead lever on last fixed block and the lower fixed block.
Further, the dead lever is the screw rod, and the fixed orifices is the screw hole that uses with the screw rod cooperation.
Further, a sealing plate is arranged on the lower surface of the valve plate, the diameter of the valve plate is larger than that of the sealing plate, and the diameter of the sealing plate is larger than the outer diameter of the sealing ring; the lower surface of the sealing plate is provided with a round supporting frame, and the diameter of the supporting frame is smaller than or equal to the inner diameter of the sealing ring; the valve plate, the sealing plate and the supporting frame are fixed through bolts.
Further, the sealing plate is made of tetrafluoroethylene.
Further, the upper surface of support flank is equipped with the support column down, and the lower surface of valve plate is equipped with the support column that goes up with the support column one-to-one down, and the lower extreme and the support column down of spring are connected, and the upper end and the support column that go up of spring are connected.
Further, the connecting valve is internally provided with a support bracket for supporting the rotating rod near the side interface, and the connecting valve is internally provided with a lantern ring for inserting the rotating rod far away from the side interface and opposite to the support bracket.
Further, the side interface is rectangular.
Further, a reserved joint is also arranged on the sealing plate.
Compared with the prior art, the breather valve detection device provided by the utility model has the following advantages:
(1) The breather valve detection device comprises a connecting valve, a pneumatic air pump, an intrinsic safety type flowmeter and a pressure gauge, wherein a valve plate for sealing a lower interface is arranged in the connecting valve, and the valve plate is controlled to open and close by a control mechanism. When the breather valve needs to be detected, the valve plate is closed, the valve plate Duan Chuguan is communicated with the breather valve and the flame arrester, the connecting valve is only communicated with the breather valve, and at the moment, the negative pressure value of the breather valve is measured only by pumping gas in the breather valve through the pneumatic air pump. And (5) using an air pump to supply air into the breather valve, and measuring the positive pressure value of the breather valve. The gas flowmeter is used for measuring the ventilation quantity of the breather valve and the flame arrester, and the pressure gauge is used for measuring the positive and negative pressure jump pressure of the breather valve. After detection, the valve plate is opened to communicate the storage tank with the breather valve. The device has reduced the space that needs the operation through the setting of valve plate, only has done the step-up and step-down to breather valve, junction valve part, can accomplish all detection work in the short time, need not to step up to the detection pressure to whole storage tank, the gaseous input of having significantly reduced to step up, when reducing potential safety hazard and environmental pollution, improved detection efficiency.
(2) The breather valve detection device adopts the pneumatic air pump to measure the negative pressure of the breather valve, solves the problem that the negative pressure cannot be measured on site, and the pneumatic air pump and the intrinsic safety type flowmeter meet the site explosion-proof requirement.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 is a schematic structural diagram of a breather valve detection device according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a connecting valve according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a connecting valve according to an embodiment of the present utility model;
FIG. 4 is a partial cutaway view of a connecting valve according to an embodiment of the present utility model;
FIG. 5 is an enlarged view of part A of a connecting valve according to an embodiment of the present utility model;
fig. 6 is a schematic structural view of a valve plate according to an embodiment of the present utility model.
Reference numerals illustrate:
1-a connecting valve; 101-upper interface; 102-a lower interface; 103-side interface; 104-sealing plate; 105-an air inlet and outlet pipe joint; 106-reserving a joint; 107-manometer connector; 108-a sealing ring; 109-support flanks; 110-lower support columns; 111-a valve plate; 112-upper support columns; 113-a spring; 114-collar; 115-a support bracket; 116-rotating rod; 117-cam; 118-handle; 119-fixing rod; 120-upper fixed block; 121-a lower fixed block; 122-sealing plate; 123-supporting frames; 124-bolt; 2-a storage tank; 3-breather valve; 4-an air pump; 5-a flow meter; 6-a pressure gauge; 7-flame arresters.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
A breather valve detection device comprises a connecting valve 1, a wind pump 4, a flowmeter 5 and a pressure gauge 6; the lower connector 101 is arranged below the connecting valve and is communicated with the storage tank 2 through a flange plate, the upper connector 102 is arranged above the connecting valve and is sequentially communicated with the flame arrester 7 and the breather valve 3 through the flange plate, the flame arrester is generally matched with the breather valve for use and is arranged below the breather valve, and the ventilation quantity of the flame arrester can be detected while the breather valve is detected; the side wall of the connecting valve is provided with a side interface 103, the side interface is connected with a sealing plate 104 through a flange, the sealing plate is provided with an air inlet and outlet pipe joint 105 and a pressure gauge joint 107, the air inlet and outlet pipe joint is connected with an air pump, the air pump is also connected with a flowmeter, and the pressure gauge joint is connected with a pressure gauge; wherein, the air inlet and outlet pipe joint, the pressure meter joint, the air pump, the flowmeter and the pressure meter are mutually connected by a light hose (negative pressure resistant); the air pump adopts an explosion-proof pneumatic fan (pneumatic motor), is a light explosion-proof pneumatic fan and is provided with a pressure regulating device, and the negative pressure value of the breathing valve is measured through the gas in the breathing valve body; the air pump supplies air into the breathing valve, and the positive pressure value of the breathing valve is measured; the gas flowmeter is an intrinsic safety type high-precision flowmeter and is used for measuring the ventilation quantity of the breather valve; the pressure gauge is a positive pressure gauge and a negative pressure gauge, is a high-precision instrument, and is used for measuring the tripping pressure of the breather valve; the light hose (negative pressure resistant) is a light high-strength hose and is a quick connector for connecting all equipment among devices;
the connecting valve comprises an upper connecting neck, a balloon and a lower connecting neck which are sequentially and integrally connected from top to bottom, wherein the upper connecting neck, the balloon and the lower connecting neck form a structure with thick middle and thin two ends; the valve plate 111 for sealing the lower interface is arranged at the lower part of the inner side close to the side interface of the connecting valve, and is positioned below the air inlet and outlet pipe joint and the pressure gauge joint;
the connecting valve body can be made of carbon steel, stainless steel and other materials according to different storage mediums in the tank, the sealing plate can be made of stainless steel, the valve plate, the fixing bolt and other conventional stainless steel materials (special materials are additionally selected to be corresponding materials) can be selected, and the connecting valve is convenient to assemble and disassemble.
Illustratively, the control mechanism includes a spring 113, a rotating lever 116, a cam 117, and a stationary assembly;
the lower connecting neck inner sleeve is provided with a sealing ring 108, the inner side wall of the lower connecting neck is provided with a step for supporting the sealing ring, the upper end of the sealing ring stretches into the lower part of the saccule, and the valve plate covers the sealing ring to realize sealing; the periphery of the sealing ring is fixedly provided with a supporting flank 109, and the supporting flank is connected with the valve plate through a spring; the valve plate top is equipped with horizontal pivoted bull stick, and bull stick perpendicular to closing plate, is equipped with the cam 117 that produces downward extrusion force to the valve plate on the bull stick, and closing plate is worn out to the one end of bull stick, is equipped with the fixed subassembly that is used for fixed bull stick on the closing plate.
The cam can face upwards or downwards through rotating the rotating rod, when the cam rotates downwards gradually, the cam can gradually generate downward extrusion force on the valve plate to push the valve plate to move downwards until the valve plate falls on the top of the sealing ring, so that sealing is realized; when the rotating cam is gradually upwards, the valve plate is not subjected to external force any more, the spring stretches, and the valve plate is jacked up, so that the storage tank is communicated with the connecting valve.
Specifically, the fixing assembly includes a handle 118, a fixing rod 119, an upper fixing block 120, and a lower fixing block 121; the one end that the bull stick was worn out the closing plate articulates there is the handle, is equipped with the symmetry on the closing plate and sets up last fixed block and the lower fixed block in bull stick top and below, and the dead lever inserts and establishes on the handle, all is equipped with the fixed orifices that is used for inserting to establish the dead lever on last fixed block and the lower fixed block.
Through rotating the handle, can drive the bull stick and rotate, rotate the back, insert the dead lever on the handle to insert the dead lever on corresponding fixed block, in order to increase fixed fastness, the dead lever can adopt the screw rod, and the fixed orifices is the screw hole that uses with the screw rod cooperation.
Specifically, the lower surface of the valve plate is provided with a sealing plate 122, the diameter of the valve plate is larger than that between the sealing plates, and the diameter of the sealing plate is larger than the outer diameter of the sealing ring; the lower surface of closing plate is equipped with circular shape support frame 123, and the diameter of support frame is less than or equal to the internal diameter of sealing ring, and valve plate, closing plate and support frame pass through bolt 124 to be fixed, and valve plate and support frame clamp realize the fixed of closing plate in the centre.
More specifically, the sealing plate is made of tetrafluoroethylene and the like, so that the sealing effect can be improved.
Specifically, the upper surface of support flank is equipped with lower support column 110, and the lower surface of valve plate is equipped with the last support column 112 of with lower support column one-to-one, and the lower extreme and the lower support column of spring are connected, and can break away from with lower support column, the upper end and the last support column fixed connection of spring, and lower support column passes the spring, prevents that the valve plate from droing, misplacement.
Specifically, a support bracket 115 for supporting the rotating rod is arranged near the side interface in the connecting valve, and a lantern ring 114 for inserting the rotating rod is arranged in the connecting valve and far away from the side interface and opposite to the support bracket. The installation makes, can insert the one end of bull stick in the lantern ring, and the other end is taken on the supporting seat, and the bull stick is best worn out from the closing plate. Wherein, sealing of bull stick in closing plate department can adopt the sealing washer.
Illustratively, the side interface is rectangular. The side interface can be used as an operation port for overhauling the valve plate, and the rotating rod and the valve plate can be taken out through the operation port.
Illustratively, the sealing plate is further provided with a reserved joint, and the reserved joint is in a closed state at ordinary times. The reserved joint, the air inlet and outlet pipe joint and the pressure gauge joint can be in threaded connection, a quick joint and the like.
In order to facilitate use and storage, the air pump and the flowmeter can be assembled in a movable operation box, an interface is reserved on the operation box, and the air pump and the flowmeter can be directly connected with the interface of corresponding equipment on the operation box for use.
When the detection device needs to detect the breather valve, the valve plate is closed, the communication between the storage tank and the breather valve is cut off, the connection valve is only ensured to be communicated with the breather valve and the flame arrester, at the moment, the negative pressure value of the breather valve is detected by pumping gas in the breather valve through the air pump, the air pump supplies air to the breather valve, and the positive pressure value of the breather valve is detected; the gas flowmeter is used for measuring ventilation of the breather valve and the flame arrester, and the pressure gauge is used for measuring the tripping pressure of the breather valve. After detection, the valve plate is opened to communicate the storage tank with the breather valve. The device has reduced the space that needs the operation through the setting of valve plate, only has done the step-up and step-down to breather valve, junction valve part, can accomplish all detection work in the short time, need not to step up to the detection pressure to whole storage tank, the gaseous input of having significantly reduced to step up, when reducing potential safety hazard and environmental pollution, improved detection efficiency.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. A breather valve detection device, characterized in that: comprises a connecting valve, an air pump, a flowmeter and a pressure gauge; the lower part of the connecting valve is provided with a lower interface and is communicated with the storage tank, the upper part of the connecting valve is provided with an upper interface and is communicated with the breather valve, the side wall of the connecting valve is provided with a side interface, the side interface is provided with a detachable sealing plate, the sealing plate is provided with an air inlet and outlet pipe joint and a pressure gauge joint, the air inlet and outlet pipe joint is connected with an air pump, the air pump is also connected with a flowmeter, and the pressure gauge joint is connected with the pressure gauge;
the connecting valve comprises an upper connecting neck, a balloon and a lower connecting neck which are sequentially and integrally connected from top to bottom, wherein the upper connecting neck, the balloon and the lower connecting neck form a structure with thick middle and thin two ends; the valve plate used for sealing the lower interface is arranged at the lower part of the inner side close to the side interface of the connecting valve, the valve plate is positioned below the air inlet and outlet pipe joint and the pressure gauge joint, and a control mechanism used for controlling the valve plate to be opened and closed is further arranged on the connecting valve.
2. The breather valve detection device of claim 1, wherein: the control mechanism comprises a spring, a rotating rod, a cam and a fixing component;
the lower connecting neck is sleeved with a sealing ring, the upper end of the sealing ring extends into the lower part of the saccule, and the valve plate covers the sealing ring to realize sealing; the periphery of the sealing ring is fixedly provided with a supporting flank which is connected with the valve plate through a spring; the valve plate top is equipped with horizontal pivoted bull stick, and bull stick perpendicular to closing plate, is equipped with the cam that produces downward extrusion force to the valve plate on the bull stick, and closing plate is worn out to the one end of bull stick, is equipped with the fixed subassembly that is used for fixed bull stick on the closing plate.
3. The breather valve detection device of claim 2, wherein: the fixing component comprises a handle, a fixing rod, an upper fixing block and a lower fixing block; the one end that the bull stick was worn out the closing plate articulates there is the handle, is equipped with the symmetry on the closing plate and sets up last fixed block and the lower fixed block in bull stick top and below, and the dead lever inserts and establishes on the handle, all is equipped with the fixed orifices that is used for inserting to establish the dead lever on last fixed block and the lower fixed block.
4. A breather valve detection device according to claim 3, characterized in that: the dead lever is the screw rod, and the fixed orifices is the screw hole that uses with the screw rod cooperation.
5. The breather valve detection device of claim 2, wherein: the lower surface of the valve plate is provided with a sealing plate, the diameter of the valve plate is larger than that of the sealing plate, and the diameter of the sealing plate is larger than the outer diameter of the sealing ring; the lower surface of the sealing plate is provided with a round supporting frame, and the diameter of the supporting frame is smaller than or equal to the inner diameter of the sealing ring; the valve plate, the sealing plate and the supporting frame are fixed through bolts.
6. The breather valve detection device of claim 5, wherein: the sealing plate is made of tetrafluoroethylene.
7. The breather valve detection device of claim 2, wherein: the upper surface of support flank is equipped with the support column down, and the lower surface of valve plate is equipped with the support column that goes up with the support column one-to-one down, and the lower extreme and the support column down of spring are connected, and the upper end and the support column that go up of spring are connected.
8. The breather valve detection device of claim 2, wherein: the connecting valve is internally provided with a support bracket for supporting the rotating rod near the side interface, and the connecting valve is internally provided with a lantern ring for inserting the rotating rod far away from the side interface and opposite to the support bracket.
9. The breather valve detection device of claim 1, wherein: the side interfaces are rectangular.
10. The breather valve detection device of claim 1, wherein: the sealing plate is also provided with a reserved joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223109407.7U CN219064867U (en) | 2022-11-23 | 2022-11-23 | Breather valve detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223109407.7U CN219064867U (en) | 2022-11-23 | 2022-11-23 | Breather valve detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219064867U true CN219064867U (en) | 2023-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223109407.7U Active CN219064867U (en) | 2022-11-23 | 2022-11-23 | Breather valve detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219064867U (en) |
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- 2022-11-23 CN CN202223109407.7U patent/CN219064867U/en active Active
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