Anti-icing and fire-retardant integrated breather valve

Abstract

The utility model relates to the technical field of breather valves, discloses an anti-icing and fire-retardant integrated breather valve, and solves the problems that when an existing breather valve is used, under the condition that the temperature difference between an oil tank and the outside is large, exhausted or sucked gas is easily affected, the gas is easily liquefied in winter, a breather part of the breather valve is frozen, and the breather valve is not convenient to use. The problems that in the prior art, the use of the storage tank is affected, and meanwhile, under normal use, external impurities enter the storage tank easily and pollute objects in the storage tank are caused are solved, and the storage tank comprises a first valve body shell, heat insulation cotton is installed in the first valve body shell, a semicircular suction valve is rotatably installed in the first valve body shell, and a first limiting ring is installed at the upper end of the semicircular suction valve; a first electric heat tracing strip is fixedly installed on the inner side of the first limiting ring, a semicircular exhalation valve is rotationally installed in the first valve body shell, a second limiting ring is installed at the lower end of the semicircular exhalation valve, a second electric heat tracing strip is fixedly installed on the inner side of the second limiting ring, and a torsional spring is installed at the joint of the semicircular suction valve and the semicircular exhalation valve through a hinge.

Description

TECHNICAL FIELD

[0001] The utility model relates to a breathing valve technical field, concretely is a kind of anti-icing fire resistance integrated breathing valve. BACKGROUND

[0002] Breathing valve is the safe energy-saving product of maintaining the gas pressure balance of storage tank, reducing medium volatilization, breathing valve makes full use of the pressure-bearing capacity of storage tank itself to reduce medium emission, its principle is to use the weight of positive and negative pressure valve disc to control the exhaust positive pressure and suction negative pressure of storage tank;When medium is extracted to tank, the pressure of gas space in the upper part of tank drops, reaches the operating negative pressure of breathing valve, atmosphere outside tank will open negative pressure valve disc of breathing valve, makes outside gas into tank, makes the pressure in tank no longer continue to drop, makes the gas pressure balance between tank and tank outside, to protect the safety device of storage tank.

[0003] The existing breathing valve is used, in the case where the temperature difference between oil tank and outside is large, easy to cause influence to the gas of discharge or suction, winter is easy to liquefy gas and ice in breathing valve ventilation part, influence its use, simultaneously under normal use, the air tightness of positive and negative pressure valve disc of breathing valve is insufficient, easy to cause outside impurity to enter storage tank, cause pollution to object in tank. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of anti-icing fire resistance integrated breathing valve, work using this device, to solve the existing breathing valve in use, in the case where the temperature difference between oil tank and outside is large, easy to cause influence to the gas of discharge or suction, winter is easy to liquefy gas and ice in breathing valve ventilation part, influence its use, simultaneously under normal use, the air tightness of positive and negative pressure valve disc of breathing valve is insufficient, easy to cause outside impurity to enter storage tank, cause pollution to object in tank Problem.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: an anti-icing and fire -resisting integrated breathing valve, valve body device one is installed with valve body device two in the lower end of valve body device, fire -resisting device is installed in the lower end of valve body device two, valve body device two includes valve body shell one, the inside installation of valve body shell one has temperature insulation cotton, the inside rotation of valve body shell one is installed with semicircle inhale valve, the upper end of semicircle inhale valve is installed with limit ring one, the outside of limit ring one is fixedly connected with valve body shell one, the inside of limit ring one is fixedly installed with electric heat tracing strip one, the inside rotation of valve body shell one is installed with semicircle exhale valve, the lower end of semicircle exhale valve is installed with limit ring two, the outside of limit ring two is fixedly connected with valve body shell one, the inside of limit ring two is fixedly installed with electric heat tracing strip two, the hinge installation of semicircle inhale valve and semicircle exhale valve junction has torsion spring, when the medium is extracted to the outside of tank, the pressure of the upper gas space in tank drops, reaches the operation negative pressure of valve body device two, the atmosphere outside tank enters valve body shell one through valve body device one, prevents the big granular impurity from entering the tank body, the atmosphere outside tank opens semicircle inhale valve in valve body device two and makes it rotate through torsion spring, makes the outside gas into tank, makes the pressure in tank no longer continue to drop, on the contrary, when the gas pressure in tank is too big, opens semicircle exhale valve by going up, the gas is discharged through valve body device one when the gas pressure is too big, when the weather is cold, the air that flows in is heated through electric heat tracing strip one and electric heat tracing strip two, prevents the freezing of breathing valve.

[0006] Preferably, the valve body device one includes valve body shell two, the upper end of valve body shell two is fixedly installed with top cover, the lower end of top cover is fixedly installed with connecting disc, the lower end of connecting disc is fixedly installed with contraction rod, the inside of contraction rod is fixedly installed with valve disc, the outside of valve disc is rotatably installed with rubber ring, two groups of square grooves are formed in valve disc, the inside of square groove is installed with sliding block, sliding block is fixedly connected with valve disc, a plurality of hole one are formed in the upper end of valve disc, when the medium is extracted to the outside of tank, the pressure of the upper gas space in tank drops, reaches the operation negative pressure of valve body device two, the inside negative pressure of valve body shell two makes valve body shell two turn up through rubber ring, the gap between rubber ring and valve body shell two is formed, the outside gas enters valve body shell two, the outside gas enters valve body shell one through the hole one in the upper end of valve disc, then enters tank body through semicircle inhale valve, keeps the stable gas pressure in tank, on the contrary, when the pressure in tank is too big, the gas is discharged to valve body shell two through semicircle exhale valve, the gas is discharged through the gap between rubber ring and valve body shell two by extruding rubber ring downwards, when the gas pressure is too big, the valve disc is opened by going up, the valve disc moves upwards through contraction rod, the gap between valve disc and valve body shell two is formed, the discharge of gas is accelerated, the stable gas pressure in tank is maintained.

[0007] Preferably, the lower end of the top cover is provided with two sets of connecting rods matched with the square groove, and a limiting groove is formed at the connecting position of the connecting rod and the valve disc, and the limiting groove is matched with the sliding block, when the gas pressure in the tank is too large, the valve disc is opened to quickly discharge the gas in the tank, in order to prevent impurities in the valve body shell two from entering the tank through the gap, the size of the gap between the valve disc and the valve body shell two is limited by the limiting groove.

[0008] Preferably, the lower end of the valve body shell one is fixedly provided with a lower flange, and the lower end of the lower flange is fixedly provided with a positioning magnetic block, when the valve body shell one is connected with the flame arrestor, the positioning magnetic block is magnetically positioned with the flame arrestor.

[0009] Preferably, the flame arrestor comprises an upper flange one, a groove is formed in the upper flange one, the groove is matched with the positioning magnetic block, the upper flange one and the lower flange are provided with a nut, and the nut is threadedly connected with the upper flange one and the lower flange, when the valve body shell one is connected with the flame arrestor, the groove in the upper flange one is matched with the positioning magnetic block for positioning, and the upper flange one and the lower flange are threadedly connected through the nut.

[0010] Preferably, the lower end of the upper flange one is fixedly provided with a flame arrester, the lower end of the flame arrester is fixedly provided with a lower flange two, and a plurality of hole two are formed in the lower flange two, the lower flange two is connected with the tank mouth, and the breathing valve is subjected to fireproof treatment through the flame arrester.

[0011] Compared with the prior art, the breathing valve has the advantages that:

[0012] The breathing valve provided by the utility model is capable of preventing icing and fire, when medium is drawn out of the tank, the pressure of the gas space in the upper part of the tank is reduced, when the operating negative pressure of the valve body device two is reached, the atmosphere outside the tank enters the valve body shell one through the valve body device one, so that large-particle impurities are prevented from entering the tank, the atmosphere outside the tank is used to open the semicircular suction valve in the valve body device two upward, so that the atmosphere outside the tank is introduced into the tank, and the pressure in the tank is prevented from continuing to decrease, on the contrary, when the gas pressure in the tank is too large, the semicircular exhaust valve is opened upward, and the gas is discharged through the valve body device one, when the weather is cold, the air flowing in is heated by the electric heating strip one and the electric heating strip two, and the breathing valve is prevented from freezing. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is a plane structure schematic view of the valve body device one of the utility model;

[0015] Figure 3 It is an internal three-dimensional structure schematic view of the valve body device one of the utility model;

[0016] Figure 4 It is the three-dimensional structure schematic view of the valve body device two of the utility model.

[0017] Figure 5 It is the plane structure schematic view of the valve body device two of the utility model.

[0018] Figure 6 It is the three-dimensional structure schematic view of the fire resistance device of the utility model.

[0019] In the drawing: 1, valve body device one;11, valve body shell two;12, top cover;13, connecting disc;14, contraction rod;15, valve disc;151, rubber ring;152, hole one;153, square groove;154, sliding block;16, connecting rod;161, limit slot;2, valve body device two;21, valve body shell one;22, temperature insulation cotton;23, semicircle suction valve;231, limit ring one;232, electric heat tracing strip one;24, semicircle call valve;241, limit ring two;242, electric heat tracing strip two;25, torsion spring;26, lower flange;27, positioning magnetic block;3, fire resistance device;31, upper flange one;311, slot hole;32, nut;33, fire resistance device;34, lower flange two;341, hole two. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0021] In order to further understand the content of the utility model, the utility model will be described in detail in conjunction with the drawings.

[0022] In conjunction with Figure 1 , Figures 4-5The utility model provides an anti-icing and fire -resisting integrated breathing valve, including valve body device one 1, the lower extreme of valve body device 1 is installed with valve body device two 2, the lower extreme of valve body device two 2 is installed with fire -resisting device 3, valve body device two 2 includes valve body shell one 21, the inside of valve body shell one 21 is installed with temperature insulation cotton 22, the inside of valve body shell one 21 is rotatably installed with semicircle suction valve 23, the upper end of semicircle suction valve 23 is installed with limit ring one 231, and the outside of limit ring one 231 is fixedly connected with valve body shell one 21, and the inside of limit ring one 231 is fixedly installed with electric heat tracing strip one 232, and the inside of valve body shell one 21 is rotatably installed with semicircle exhalation valve 24, and the lower end of semicircle exhalation valve 24 is installed with limit ring two 241, and the outside of limit ring two 241 is fixedly connected with valve body shell one 21, and the inside of limit ring two 241 is fixedly installed with electric heat tracing strip two 242, and semicircle suction valve 23 and semicircle exhalation valve 24 are hingedly installed with torsion spring 25 when the medium is extracted to the tank, and the pressure of the gas space in the upper part of the tank drops, reaches the operating negative pressure of valve body device two 2, and the atmosphere outside the tank enters valve body shell one 21 through valve body device one 1, prevents that the big granular impurity enters the tank body, and the atmosphere outside the tank is opened in the semicircle suction valve 23 in valve body device two 2 downwards, makes it rotate through torsion spring 25, makes the outside gas enter the tank, makes the pressure in the tank no longer continue to drop, on the contrary, when the gas pressure in the tank is too big, through the semicircle exhalation valve 24 of opening upwards, the gas is discharged through valve body device one 1 when the gas pressure is too big, when the weather is cold, the air of inflow is heated through electric heat tracing strip one 232 and electric heat tracing strip two 242, prevents the freezing of breathing valve.

[0023] In combination Figures 1-3, valve body device 1 1 includes valve body shell 2 11, the upper end of valve body shell 2 11 is fixedly installed with top cover 12, the lower end of top cover 12 is fixedly installed with connecting disc 13, the lower end of connecting disc 13 is fixedly installed with shrink rod 14, the inside of shrink rod 14 is fixedly installed with valve disc 15, the outside of valve disc 15 is rotatably installed with rubber ring 151, two groups of square grooves 153 are formed in valve disc 15, the inside of square groove 153 is installed with sliding block 154, sliding block 154 is fixedly connected with valve disc 15, a plurality of hole holes 1 152 are formed in the upper end of valve disc 15, when the medium is extracted to the outside of the tank, the pressure of the gas space in the upper part of the tank is reduced, reaches the operating negative pressure of valve body device 2 2, the negative pressure in the inside of valve body shell 2 11, makes the inside of valve body shell 2 11 turn over upwards through rubber ring 151, the gap between rubber ring 151 and valve body shell 2 11 is formed, the outside gas enters the inside of valve body shell 2 11, the outside gas enters the inside of valve body shell 1 21 through the hole hole 1 152 in the upper end of valve disc 15, then enters the tank body through semicircular suction valve 23, keeps the stability of the gas pressure in the tank, on the contrary, when the pressure in the tank body is too large, the gas is discharged to valve body shell 2 11 through semicircular discharge valve 24, the gas is discharged through the gap between rubber ring 151 and valve body shell 2 11 by extruding rubber ring 151 downwards, when the gas pressure is too large, valve disc 15 is opened upwards through shrink rod 14, the gap between valve disc 15 and valve body shell 2 11 is formed, the discharge of the gas is accelerated, the stability of the gas pressure in the tank is maintained.

[0024] In combination Figures 2-3 , the lower end of top cover 12 is installed with two groups of connecting rods 16, connecting rod 16 is matched with square groove 153, limit groove 161 is formed in the connecting position of connecting rod 16 and valve disc 15, limit groove 161 is matched with sliding block 154, when the gas pressure in the tank is too large, the gas in the tank is quickly discharged by opening valve disc 15, in order to prevent the impurities in the inside of valve body shell 2 11 from entering the tank body through the gap, so that the size of the gap between valve disc 15 and valve body shell 2 11 is limited through limit groove 161.

[0025] In combination Figure 4 And Figure 5 , the lower end of valve body shell 1 21 is fixedly installed with lower flange 26, the lower end of lower flange 26 is fixedly installed with positioning magnetic block 27, when valve body shell 1 21 is connected with flame arrestor 3, positioning magnetic block 27 is magnetically positioned with flame arrestor 3.

[0026] In combination Figure 4 And Figure 5The fire blocking device 3 comprises an upper flange 31, a slot hole 311 is formed on the upper flange 31, the slot hole 311 is matched with the positioning magnetic block 27, the upper flange 31 and the lower flange 26 are penetrated and installed with the nut 32, the nut 32 is threadedly connected with the upper flange 31 and the lower flange 26, when the valve body shell 21 is connected with the fire blocking device 3, the slot hole 311 on the upper flange 31 is matched with the positioning magnetic block 27 for positioning, and the upper flange 31 and the lower flange 26 are threadedly connected through the nut 32.

[0027] In combination Figure 4 And Figure 5 The lower end of the upper flange 31 is fixedly installed with a fire arrester 33, the lower end of the fire arrester 33 is fixedly installed with a lower flange 34, a plurality of hole groups 341 are formed on the lower flange 34, the lower flange 34 is connected with the tank body opening, and the fire arrester 33 is used for fireproof treatment of the breather valve.

[0028] Working principle: when the medium is drawn out of the tank to make the pressure of the upper gas space in the tank decrease to reach the operating negative pressure of the valve body device 2, the atmosphere outside the tank passes through the valve body shell 2 of the valve body device 1, the top cover 12, the connecting disc 13, the contraction rod 14, the valve disc 15 and the rubber ring 151, enters the valve body shell 1 through the hole group 152 on the upper end of the valve disc 15, and then top opens the semicircular suction valve 23, the external atmosphere enters the tank through the rotation of the torsional spring 25; when the gas pressure in the tank is too large, the gas passes through the semicircular exhaust valve 24 to be top opened upward, and then is discharged through the valve body device 1; when the gas pressure is too large, the valve disc 15 is top opened to make the valve disc 15 move upward through the contraction rod 14 to accelerate the gas discharge; the connecting rod 16 at the lower end of the top cover 12 is matched with the sliding block 154 of the valve disc 15 through the limiting slot 161 to limit the gap between the valve disc 15 and the valve body shell 2 to prevent impurities from entering; the lower flange 26 at the lower end of the valve body shell 1 and the positioning magnetic block 27 are matched with the slot hole 311 of the upper flange 31 of the fire blocking device 3 for positioning, and then are connected through the nut 32, the fire arrester 33 is used for fireproof treatment of the breather valve, when the weather is cold, the inflowing air is warmed through the electric heating strip 232 inside the limiting ring 1 on the upper end of the semicircular suction valve 23 and the electric heating strip 242 inside the limiting ring 2 on the lower end of the semicircular exhaust valve 24 to prevent the breather valve from being frozen.

[0029] It should be noted that the relational terms herein such as first and second, and the like are used only to differentiate one entity or action from another, and do not necessarily require or imply that any such actual relationship or order exists between or among the entities or actions. Moreover, the terms "comprising", "including", or any other variant thereof are intended to cover a non-exclusive inclusion, so that a process, method, article or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article or apparatus.

[0030] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An integrated anti-icing and fire barrier breather valve comprising a valve body device one (1), a valve body device two (2) is installed at the lower end of the valve body device (1), a fire barrier device (3) is installed at the lower end of the valve body device two (2), characterized in that: The valve body device two (2) includes valve body shell one (21), the inside of valve body shell one (21) is installed with temperature insulation cotton (22), the inside of valve body shell one (21) is rotatably installed with semicircle suction valve (23), the upper end of semicircle suction valve (23) is installed with limit ring one (231), the outside of limit ring one (231) is fixedly connected with valve body shell one (21), the inside of limit ring one (231) is fixedly installed with electric heat tracing strip one (232), the inside of valve body shell one (21) is rotatably installed with semicircle exhalation valve (24), the lower end of semicircle exhalation valve (24) is installed with limit ring two (241), the outside of limit ring two (241) is fixedly connected with valve body shell one (21), the inside of limit ring two (241) is fixedly installed with electric heat tracing strip two (242), semicircle suction valve (23) and semicircle exhalation valve (24) connection place are hingedly installed with torsion spring (25).

2. The anti-icing and fire-blocking integrated breathing valve according to claim 1, characterized in that: The valve body device one (1) includes valve body shell two (11), the upper end of valve body shell two (11) is fixedly installed with top cover (12), the lower end of top cover (12) is fixedly installed with connecting disc (13), the lower end of connecting disc (13) is fixedly installed with shrink rod (14), the inside of shrink rod (14) is fixedly installed with valve disc (15), the outside of valve disc (15) is rotatably installed with rubber ring (151), two groups of square grooves (153) are formed in valve disc (15), the inside of square groove (153) is installed with sliding block (154), sliding block (154) is fixedly connected with valve disc (15), a plurality of hole one (152) are formed in the upper end of valve disc (15).

3. The anti-icing and fire-blocking integrated breathing valve according to claim 2, characterized in that: The lower end of top cover (12) is installed with two groups of connecting rods (16), connecting rod (16) is matched with square groove (153), limit slot (161) is formed in the connecting place of connecting rod (16) and valve disc (15), limit slot (161) is matched with sliding block (154).

4. The anti-icing and fire-blocking integrated breathing valve according to claim 1, characterized in that: The lower end of valve body shell one (21) is fixedly installed with lower flange (26), the lower end of lower flange (26) is fixedly installed with positioning magnetic block (27).

5. The anti-icing and fire-blocking integrated breathing valve according to claim 1, characterized in that: The upper flange one (31) is installed with nut (32) penetratingly with lower flange (26), nut (32) is threadedly connected with upper flange one (31) and lower flange (26).

6. The integrated anti-icing and fire damper breath mask valve of claim 5, wherein: The lower end of upper flange one (31) is fixedly installed with fire arrester (33), the lower end of fire arrester (33) is fixedly installed with lower flange two (34), a plurality of hole two (341) are formed in lower flange two (34).

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