KR101616506B1 - Breather valve - Google Patents

Abstract

According to the present invention, the breather valve for an oil storage tank capable of non-spraying fire extinguishing comprises: a body unit which comprises: a bottom body combined with the top of the oil storage tank; a top body combined with the top of the bottom body; and a combining member for penetrating a flange formed on the bottom body and the top body to combine the bottom body and the top body; a frame unit placed in between the bottom body and the top body; a filter placed in the frame unit to prevent the spread of flames; a non-spraying fire extinguishing unit combined with the body unit to discharge fire extinguishing agents into the top body to extinguish fire; and a valve unit combined with the top of the top body of the body unit, where a pressure disc and a vacuum disc, which are for controlling the pressure for the internal pressure of the oil storage tank to be in equilibrium with the air pressure, are placed in one vertical pipe.

Description

[0001] Breather valve for crude oil storage tank capable of fine pulverization [

The present invention relates to a breeder valve for a crude oil storage tank capable of micro-fume extinguishing.

Breather valves for crude oil storage tanks are designed to absorb air into the tank when there is a difference between the pressure in the storage tank of the flammable material and the atmospheric pressure, or to release the pressure in the tank to the outside, It is a valve that protects the tank by the pressure that is achieved.

The structure of the breather valve includes a pressure side part, a vacuum side part, a lightning stroke and other external parts for controlling the pressure in the state of atmospheric pressure when the tank expands and compresses due to solar heat and pressure pump, temperature change and other energy inside the tank It is divided into Flame arrester parts which prevent the fire from propagating inside the tank when a fire occurs due to factors.

The flame arrester consists of an element part for preventing flame propagation and an element ring part for fixing the element part. Element prevents the fire from spreading into the tank when a fire occurs. The element's fire prevention time is about 5 to 10 minutes. When this time elapses, the element is distorted by the radiant heat of the flame, and the warping groove causes the fire to propagate inside the tank.

All crude oil tanks are equipped with a fire extinguishing system. Typical examples are foam extinguishing systems. The foam fire extinguishing system is a mixture of foam liquid and water and radiates in the form of foam to choke the entire tank to choke the fire to evolve the fire.

The foam fire extinguishing system has a disadvantage in that it takes a long time to reach the flame because of the disadvantage that it is difficult to form a bubble of good quality due to the extinguishing effect by water, and it can not be waterproofed at a high injection speed. In addition, the cost of the foam stock solution is high, and once released, all of the foam is discharged, resulting in a very high economic loss.

Currently, domestic and foreign crude oil storage tanks have been required to develop technologies that first fire fire or delay fire propagation prior to detection and operation of fire extinguishing systems mounted on breather valves.

Korea Registered Utility Model Registration No. 20-0359735 Korean Patent Publication No. 10-2006-0066047 Korea Registered Utility Model Registration No. 20-0428568 Korean Patent Laid-Open Publication No. 10-2012-0103035 Korean Patent Laid-Open Publication No. 10-2011-0004952

SUMMARY OF THE INVENTION It is an object of the present invention to solve the problems as described above and to provide a pressure reducing device and a vacuum disk for adjusting the pressure of the crude oil storage tank to be in equilibrium with atmospheric pressure, The present invention provides a breeder valve for a crude oil storage tank capable of reducing the probability of breakage caused by a fire,

It is another object of the present invention to provide a fire extinguishing system which is capable of preventing fire from entering into a tank by preventing the glass tube from breaking when heated at a certain temperature and spraying water, And to provide a breather valve for a crude oil storage tank capable of evolving a fire early in the course of a differential spraying.

According to the present invention, there is provided a breather valve for a crude oil storage tank, comprising: a lower body coupled to an upper portion of a crude oil storage tank; And a coupling member passing through the lower body and the flange formed on the upper body and coupling the lower body and the upper body to each other; A frame part provided between the lower body and the upper body; A filter provided inside the frame portion to prevent flame propagation; A non-explosion-proof part coupled to the body part and discharging the fire extinguishing agent to the inside of the upper body to suppress the fire; And a valve coupled to an upper portion of the upper body of the body portion and having a pressure disk and a vacuum disk disposed inside the vertical tube for regulating the pressure so that the inner pressure of the crude oil storage tank equilibrates with the atmospheric pressure.

The frame portion may include an outer frame having a through hole formed therein and having an inner circumferential surface and including a first support protrusion on which the filter is supported and a second support protrusion on an upper portion of the first support protrusion, And a fastening member for fastening the central portion of the outer frame portion and the central portion of the inner frame to each other. do.

The first frame has a first height H1 between the lower end of the outer frame and the first frame, a second height H2 between the first frame and the second frame, (1) to (3), when a fourth height (H4) between the upper and lower ends of the filter and a fifth height (H5) between the upper and lower ends of the inner frame are defined as: Is satisfied.

[Equation 1]

H1 < H2 < H3

&Quot; (2) &quot;

H3 - H2 = H2 - H1

&Quot; (3) &quot;

H2 = H4 < H5 < H3

The thickness between the outer circumferential surface of the outer frame and the inner circumferential surface of the outer frame coupled with the arm is defined as a first thickness T1 and the thickness between the outer circumferential surface of the outer frame and the inner circumferential surface of the outer frame, A thickness between the outer circumferential surface of the outer frame and the inner circumferential surface of the outer frame having the inner frame is defined as a third thickness T3 and a thickness between the outer circumferential surface and the inner circumferential surface of the inner frame is defined as a fourth thickness T4, (4) and (5).

&Quot; (4) &quot;

T1> T2> T4> T3

&Quot; (5) &quot;

T1 - T2 = T2 - T3 = 2 x T4

In addition, the frame portion may further include a handle coupled to an outer peripheral surface of the outer frame and passing through the upper and lower portions, and the handle may be vertically formed so as to position the outer side of the engagement member.

The medicine dispenser may include a medicinal substance reservoir filled with the extinguishing medicament and having a coupling part formed on an outer surface thereof so as to be coupled to the flange of the body part, A connection pipe which is provided in the interior of the upper tubular body and into which the extinguishing medicament filled in the upper tubular body is transferred to the inside of the upper body and the other end of the fire extinguishing medicament, And a fixing unit coupled to the ejection unit to fix the opening and closing unit. The ejection unit includes a nozzle for ejecting the ink in the form of a nozzle,

The sprayer may further include a case coupled to the other end of the connection pipe to introduce the extinguishing medicament into the interior thereof and having a nozzle at a lower end thereof and a case provided inside the case to twist a rectangular plate- And a guide member formed with a guide hole that can be rotated and moved.

In addition, the nozzle may be formed on the central axis of the frame part, and the diameter may be increased toward the lower side such that the spraying angle is 90 ° to 120 °. The fire extinguishing agent is rotated and moved along the guide hole, Wherein particles of the extinguishing medicament are injected into the mist type particles when injected into the nozzle, and injected into the cone form by the injecting angle to suffocate the fire.

The opening / closing portion may include an opening / closing member formed to correspond to the inner circumferential surface of the nozzle and provided on the inner circumferential surface of the nozzle, and an O-ring disposed between the inner circumferential surface of the nozzle and the outer circumferential surface of the opening / And a support member provided below the opening and closing member and coupled to the glass tube to break when heat of a predetermined temperature is transferred thereto and a support member which is coupled to the fixing portion and supports the lower end of the glass tube. When the glass tube is broken, And the nozzle is opened.

The lower surface of the opening and closing member and the upper surface of the supporting member are formed to correspond to the upper and lower ends of the glass tube so that the upper and lower ends of the glass tube are seated.

The fixing portion may include a protruding portion protruding from the outer circumferential surface of the ejecting portion, a first supporting portion and a second supporting portion, one end of which is coupled to the protruding portion and protruded in a downward direction of the glass tube, And a connecting portion to which the supporting member for supporting the glass tube is coupled.

When the internal pressure of the crude oil storage tank rises, the valve portion moves upward to open the crude oil storage tank. When the pressure falls, the valve portion shrinks the elastic member supporting the vacuum disk, The vacuum disk is moved downward to open the crude oil storage tank so that the internal pressure of the crude oil storage tank can be adjusted.

As described above, according to the present invention, since the pressure disk and the vacuum disk, which regulate the pressure so that the inner pressure of the crude oil storage tank is balanced with the atmospheric pressure, are provided in one vertical tube, A breather valve for a crude oil storage tank capable of extinguishing a non-explosion-proof gas which can be safeguarded from a fire can be provided.

Further, the effect of the present invention is that, when heat of a certain temperature is applied, the glass tube is broken, and water as the digestion medicine is sprayed on the upper part of the filter in the state of mist, thereby preventing the bending of the filter, It is also possible to provide a breather valve for a crude oil storage tank capable of extinguishing a fire without delaying the initialization of the fire.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view of a breather valve for an oil-free storage tank according to a preferred embodiment of the present invention; FIG.
FIG. 2 is a perspective view showing a breather valve for a crude oil storage tank capable of performing differential de-agitation according to a preferred embodiment of the present invention.
FIG. 3 is a top cross-sectional view of a breather valve for a crude oil storage tank capable of micro-fume extinguishing according to a preferred embodiment of the present invention.
FIG. 4 is a side cross-sectional view of a breather valve for a crude oil storage tank capable of micro-fume extinguishing according to a preferred embodiment of the present invention.
FIG. 5 is a side cross-sectional view showing a frame portion of a breather valve for a crude oil storage tank capable of micro-fume extinguishing according to a preferred embodiment of the present invention.
FIG. 6 and FIG. 7 are enlarged cross-sectional views illustrating a jetting portion, an opening / closing portion, and a fixing portion of a breather valve for a crude oil storage tank capable of performing differential deenergization according to a preferred embodiment of the present invention.
FIG. 8 is a perspective view showing the manufacture of a guide member of a breather valve for a crude oil storage tank capable of micro-fume extinguishing according to a preferred embodiment of the present invention.
FIG. 9 is an enlarged view of a valve portion of a breather valve for a crude oil storage tank capable of fine pulverization according to a preferred embodiment of the present invention. FIG.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the drawings for explaining a breeder valve for a crude oil storage tank capable of extinguishing a non-aqueous solution according to embodiments of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view of a breather valve for an oil-free storage tank according to a preferred embodiment of the present invention; FIG. FIG. 2 is a perspective view showing a breather valve for a crude oil storage tank capable of performing differential de-agitation according to a preferred embodiment of the present invention. FIG. 3 is a top cross-sectional view of a breather valve for a crude oil storage tank capable of micro-fume extinguishing according to a preferred embodiment of the present invention. FIG. 4 is a side cross-sectional view of a breather valve for a crude oil storage tank capable of micro-fume extinguishing according to a preferred embodiment of the present invention. FIG. 5 is a side cross-sectional view showing a frame portion of a breather valve for a crude oil storage tank capable of micro-fume extinguishing according to a preferred embodiment of the present invention. FIG. 6 and FIG. 7 are enlarged cross-sectional views illustrating a jetting portion, an opening / closing portion, and a fixing portion of a breather valve for a crude oil storage tank capable of performing differential deenergization according to a preferred embodiment of the present invention. FIG. 8 is a perspective view showing the manufacture of a guide member of a breather valve for a crude oil storage tank capable of micro-fume extinguishing according to a preferred embodiment of the present invention.

1 to 4, a breeder valve for a crude oil storage tank capable of being completely demineralized according to the present invention comprises a body portion 10, a frame portion 20, a filter 30, a dehydrating portion 40, And a valve unit 60.

The body 10 includes a lower body 11 coupled to an upper portion of a crude oil storage tank and an upper body 12 and a lower body 11 coupled to an upper portion of the lower body 11, And a coupling member 13 which penetrates through the flange 14 formed on the lower body 11 and the upper body 12.

The lower body 11 has a flange 14 formed on the upper outer circumferential surface thereof.

Further, the upper body 12 has a flange 14 formed on the lower outer circumferential surface.

The coupling member 13 may be composed of a bolt passing through the flange 14 of the upper body 12 and the flange 14 of the lower body 11 and a nut fastened to the end of the bolt.

The frame portion 20 is provided between the lower body 11 and the upper body 12. [

At this time, the frame portion 20 is firmly fixed and provided when the upper body 12 and the lower body 11 are coupled by the coupling member 13. [

A step may be formed on the lower surface of the upper body 12 and the upper surface of the lower body 11 so that the frame 20 can be more stably fixed.

The stepped portion may be formed to correspond to the shape of the upper side and the lower side of the frame portion 20 so that the frame portion 20 is not separated between the upper body 12 and the lower body 11.

The frame portion 20 includes an outer frame 21, an inner frame 22, a plurality of arms 23 and a fastening member 24.

The outer frame 21 is formed with a through hole at its center, and a first support step 25 is formed on the inner circumferential surface of the outer frame 21 to support a filter 30 to be described later.

In addition, the outer frame 21 has a second base jaw 26 formed on the first base jaw 25. At this time, the diameter of the second base jaw 26 is larger than the diameter of the first base jaw 25.

The inner frame 22 is supported on the second base 26 and is provided on the top of the filter 30. At this time, the upper end of the inner frame 22 does not protrude more than the upper end of the outer frame 21.

The plurality of arms 23 are formed in the outer frame 21 and the inner frame 22, respectively, and are circularly spaced apart from each other at a central angle. At this time, the arms 23 are formed in six in the outer frame 21 and the inner frame 22, respectively, and circularly arranged at 60 degrees from each arm 23.

Here, the center of the outer frame 21, the plurality of arms 23, and the outer frame 21 may be integrally formed.

The inner frame 22 and the central portions of the plurality of arms 23 and the inner frame 22 can be integrally formed.

The fastening member 24 includes a fastening member 24 for fastening the center portion of the outer frame 21 and the center portion of the inner frame 22. At this time, the fastening member 24 may be formed of a bolt and a nut.

Referring to FIG. 5, the thickness and height of the frame portion 20 are set by the following equations so that the filter 30 can be stably mounted.

A first height H1 is defined between the lower end of the outer frame 21 and the first base jaw 25 and a second height H2 is defined between the first base jaw 25 and the second base jaw 26, The fourth height H4 between the upper and lower ends of the filter 30 and the fourth height H4 between the upper end of the second frame 26 and the upper end of the outer frame 21, (H5), the following expressions (1) to (3) are satisfied.

The thickness between the outer circumferential surface of the outer frame 21 and the inner circumferential surface of the outer frame 21 to which the end of the arm 23 is coupled is set to be the first thickness T1 and the outer circumferential surface of the outer frame 21, The thickness between the outer peripheral surface of the outer frame 21 and the inner peripheral surface of the outer frame 21 provided with the inner frame 22 is set to a third thickness T3, And the thickness between the outer circumferential surface and the inner circumferential surface of the inner frame 22 is the fourth thickness T4, the following equations (4) and (5) are satisfied.

In addition, the frame portion 20 further includes a knob 27 coupled to the outer circumferential surface of the outer frame 21 and vertically penetrating. At this time, the knob 27 is formed on the outer peripheral surface of the outer frame 21 of the frame, and is formed on both sides.

The manager can easily remove the frame portion 20 provided with the filter 30 with the handle 27 after separating the upper body 12 and replacing or checking the filter 30 to be described later .

The knob 27 is vertically passed through so as to position the outer side of the engaging member 13.

The filter 30 is provided inside the frame portion 20 to prevent flame propagation.

The microparticle extinguishing unit 40 is coupled to the body 10 and discharges the extinguishing agent to the inside of the upper body 12 to suppress the fire.

The microparticle-freezing section 40 includes a medicinal-medicinal-treatment tube 41, a connection tube 42, a spraying section, an opening / closing section, and a fixing section.

4, the medicinal drug reservoir 41 is filled with an extinguishing medicament, and a coupling piece is formed on the outer surface of the medicament container 41 so as to be coupled to the flange 14 of the body part 10. As shown in Fig. At this time, nitrogen is pressurized and filled with the extinguishing medicament in the medicament container 41, and the extinguishing medicament is ejected when the glass tube 49 to be described later is broken and the nozzle 44 is opened.

One end of the connection pipe 42 is connected to the medicament container 41 and the other end is provided inside the upper body 12 through the upper body 12. Then, the connection tube 42 is transferred to the inside of the upper body 12, with the extinguishing medicament filled inside the medicament container 41.

6 and 7, the sprayer has a nozzle 44 coupled to the other end of the connection pipe 42 and spraying the particles of extinguishing medicament to be sprayed into the mist pipe .

At this time, the spraying unit includes a case 43 which is coupled to the other end of the connection pipe 42 and into which the extinguishing medicament is introduced and the nozzle 44 is formed at the lower end.

6 and 7, the ejection portion is provided inside the case 43 and has a rectangular plate-like member twisted to form a guide hole 46 in which the extinguishing medicant can be rotated and moved, And a guide member (45).

Here, the nozzle 44 is formed on the central axis of the frame portion 20 and has a larger diameter toward the lower side so that the jetting angle is 90 ° to 120 °.

When the extinguishing medicament is rotated along the guide hole 46 and then discharged to the nozzle 44, the particles of the extinguishing medicament are sprayed into the mist-shaped particles, . At this time, the extinguishing medicament may be made of water, and sprayed as mist when ejected by the nozzle 44.

As a result, it has a cooling effect of absorbing a high amount of heat of about 2,635 KJ until 1 L of liquid water becomes 10 0 C to 100 0 C water vapor, .

In other words, the finer the particles of water in a certain amount of water, the larger the total surface area of the liquid, and the larger the surface area, the faster the heat is absorbed. This cooling effect interferes with the combustion reaction in the event of a fire, which significantly reduces the fire progress. In addition, when liquid water becomes water vapor, the volume increases to about 1,600 times, which reduces the concentration of oxygen in the air and has the effect of preventing the diffusion of oxygen into the fire epicenter.

The microparticle non-extinguishing unit 40 further includes a valve that is provided between the medicinal substance container 41 and the connection pipe 42 and is capable of regulating the amount of the extinguishing medication conveyed to the connection pipe 42.

Therefore, the breeder valve for the crude oil storage tank capable of the non-dimerization-freezing according to the present invention is capable of initially evolving the fire and protecting the crude oil storage tank by providing the non-explosion-proof portion (40).

Referring to Fig. 7, the opening / closing part closes the nozzle 44 and opens the nozzle 44 when the temperature exceeds a predetermined temperature.

The opening and closing part includes an opening and closing member 47, an O-ring 48, a glass tube 49, and a support member 50.

The opening and closing member 47 is provided on the inner peripheral surface of the nozzle 44 so as to correspond to the inner peripheral surface of the nozzle 44.

The O-ring 48 is provided between the inner peripheral surface of the nozzle 44 and the outer peripheral surface of the opening and closing member 47 to seal the space between the nozzle 44 and the opening and closing member 47.

The glass tube 49 is provided below the opening and closing member 47, and breaks when heat of a certain temperature is transmitted. At this time, the glass tube 49 is made to break when heat of 60 ° C or more is transferred.

The support member (50) is coupled to the fixing portion to support the lower end of the glass tube (49).

That is, when the glass tube 49 is broken, the open / close member 47 is separated from the nozzle 44 and the nozzle 44 is opened, so that the fire extinguishing agent is sprayed.

The lower surface of the opening and closing member 47 and the upper surface of the support member 50 are formed so as to correspond to the upper and lower ends of the glass tube 49 so that the upper and lower ends of the glass tube 49 are seated.

Referring to FIG. 7, the fixing portion is coupled to the ejecting portion to fix the opening and closing portion.

At this time, the fixing portion includes the projecting portion 51, the first support base 52, the second support base 53, and the connection portion 54.

The projecting portion 51 is formed to protrude from the outer peripheral surface of the jet portion.

The first support base 52 and the second support base 53 are connected at one end to the projecting portion 51 and protrude downward of the glass tube 49. At this time, the first support base 52 and the second support base 53 are bent so that the other end is protruded so as to be positioned directly below the glass tube 49.

The connection part 54 connects the lower end of the first support 52 with the lower end of the second support 53 and the support member 50 for supporting the glass tube 49 is coupled through the glass tube 49.

Thus, the fixing part fixes the glass tube 49 of the opening and closing part.

9, the valve unit 60 includes a pressure disk 62, which is coupled to the upper body 12 of the body 10 and regulates the pressure so that the internal pressure of the crude oil storage tank equilibrates with the atmospheric pressure, And a vacuum disk 63 are provided inside the single vertical tube 61.

As a result, the probability of breakage caused by lightning can be reduced, so that it is safe from fire.

Here, in the valve portion 60, when the internal pressure of the crude oil storage tank rises, the pressure disk 62 is moved upward to open the crude oil storage tank.

When the pressure is lowered, the valve unit 60 is lowered by the contraction of the elastic member 64 supporting the vacuum disk 63, so that the crude oil storage tank is opened.

Accordingly, it is possible to adjust the internal pressure of the crude oil storage tank.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the foregoing detailed description, and all changes or modifications derived from the meaning and range of the claims and the equivalents thereof are included in the scope of the present invention Should be interpreted. In addition, the order of operation of the components described in the above-described process does not necessarily have to be performed in a time series order, and if the order of the respective components and steps is changed, the process is included in the scope of the present invention Of course.

10: body part 11: lower body
12: upper body 13: engaging member
14: flange 20: frame part
21: outer frame 22: inner frame
23: arm 24: fastening member
25: first base jaw 26: second base jaw
27: handle 30: filter
40: differential non-extinguishing unit 41:
42: Connector 43: Case
44: nozzle 45: guide member
46: guide hole 47: opening / closing member
48: O-ring 49: Glass tube
50: support member 51:
52: first support frame 53: second support frame
54: connection part 60: valve part
61: Vertical tube 62: Pressure disk
63: Vacuum disk 64: Elastic member

Claims (12)

A breather valve for a crude oil storage tank,
A lower body coupled to an upper portion of the crude oil storage tank, an upper body coupled to an upper portion of the lower body, and a coupling member passing through the lower body and a flange formed on the upper body, part;
A frame part provided between the lower body and the upper body;
A filter provided inside the frame portion to prevent flame propagation;
A non-explosion-proof part coupled to the body part and discharging the fire extinguishing agent to the inside of the upper body to suppress the fire; And
And a valve portion coupled to an upper portion of the upper body of the body portion and having a pressure disk and a vacuum disk disposed inside the vertical tube to regulate the pressure so that the inner pressure of the crude oil storage tank equilibrates with the atmospheric pressure, Breather valves for crude oil storage tanks.
2. The apparatus according to claim 1,
An outer frame having an inner circumferential surface formed with a first receiving protrusion on which the filter is supported and a second receiving protrusion formed on an upper portion of the first receiving protrusion,
An inner frame supported on the second base,
A plurality of arms arranged in the outer frame and the inner frame,
And a fastening member for fastening a center portion of the outer frame to a center portion of the inner frame.
3. The method of claim 2,
A first height H1 between a lower end of the outer frame and the first base jaw, a second height H2 between the first base jaw and the second base jaw, And a fourth height H4 between the upper and lower ends of the filter and a fifth height H5 between the upper and lower ends of the inner frame satisfy the following equations (1) to (3) And a breather valve for a crude oil storage tank capable of extinguishing a fine powder.
[Equation 1]
H1 < H2 < H3
&Quot; (2) &quot;
H3 - H2 = H2 - H1
&Quot; (3) &quot;
H2 = H4 &lt; H5 &lt; H3
3. The method of claim 2,
The thickness between the outer circumferential surface of the outer frame and the inner circumferential surface of the outer frame to which the arm is coupled is set to a first thickness T1 and a thickness between the outer circumferential surface of the outer frame and the inner circumferential surface of the outer frame, A thickness between the outer circumferential surface of the outer frame and the inner circumferential surface of the outer frame having the inner frame is defined as a third thickness T3 and a thickness between the outer circumferential surface and the inner circumferential surface of the inner frame is defined as a fourth thickness T4, 4 and Equation (5). &Lt; RTI ID = 0.0 > 5. &lt; / RTI &gt;
&Quot; (4) &quot;
T1>T2>T4> T3
&Quot; (5) &quot;
T1 - T2 = T2 - T3 = 1/2 * T4
3. The method of claim 2,
Wherein the frame portion further includes a handle coupled to an outer peripheral surface of the outer frame and penetrating the upper and lower portions,
Wherein the handle is fixed to be positioned between the engaging members and is vertically formed through the breather valve for the crude oil storage tank.
The apparatus according to claim 1, wherein the differential-
A medicament container filled with the extinguishing medicament and having an engaging piece formed on an outer surface thereof to be engaged with a flange of the body part,
A connection tube having one end connected to the medicament container and the other end inserted into the upper body through the upper body so that the extinguishing medicament filled in the medicament container is transferred to the inside of the upper body;
An ejection unit coupled to the other end of the connection pipe and having a nozzle at the lower end thereof for ejecting particles of the extinguishing medicament to be transferred to the connection pipe in the form of mist;
An opening and closing part for closing the nozzle and opening the nozzle when the temperature is equal to or higher than a predetermined temperature,
A breather valve for a crude oil storage tank capable of extinguishing a nonfat mixture, comprising a fixing part coupled to the jetting part and fixing the opening and closing part.
7. The apparatus according to claim 6,
A case coupled to the other end of the connection pipe to introduce the extinguishing medicament into the interior and having a nozzle at a lower end thereof,
And a guide member provided inside the case and having a rectangular plate-shaped member twisted to guide the digestive medicinal material to be rotated and moved.
8. The method of claim 7,
Wherein the nozzle is formed on a central axis of the frame and has a larger diameter toward the lower side so that the jetting angle is 90 ° to 120 °,
Wherein the extinguishing medicament is rotated along the guide hole and then discharged into the nozzle, the particles of the extinguishing medicament are sprayed into mist-shaped particles, which are sprayed in a cone shape by the spraying angle, And a breather valve for a crude oil storage tank capable of extinguishing a fine powder.
7. The apparatus according to claim 6,
An opening / closing member formed on an inner circumferential surface of the nozzle so as to correspond to an inner circumferential surface of the nozzle;
An O-ring provided between the inner circumferential surface of the nozzle and the outer circumferential surface of the opening and closing member to seal the gap between the nozzle and the opening and closing member,
A glass tube provided below the opening and closing member and breaking when heat of a predetermined temperature is transmitted,
And a support member coupled to the fixing portion and supporting a lower end of the glass tube,
Wherein when the glass tube is broken, the opening and closing member is separated from the nozzle to open the nozzle.
10. The method of claim 9,
Wherein a bottom surface of the opening and closing member and an upper surface of the support member are formed to correspond to the upper and lower ends of the glass tube so that the upper and lower ends of the glass tube are seated therebetween, respectively.
10. The apparatus according to claim 9,
A protruding portion protruding from the outer peripheral surface of the jet portion,
A first support part and a second support part, one end of which is coupled to the projecting part and protruded in a downward direction of the glass tube,
And a connecting portion connecting the lower ends of the first and second supports to each other, the glass tube being penetrated and a support member for supporting the glass tube being coupled to the breather valve.
2. The valve according to claim 1,
When the internal pressure of the crude oil storage tank rises, the pressure disk is moved upward to open the crude oil storage tank. When the pressure is lowered, the vacuum disk is moved downward due to the contraction of the elastic member supporting the vacuum disk And the inner pressure of the crude oil storage tank is adjustable by opening the crude oil storage tank.

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