KR200457875Y1 - a safety valve for tanker train - Google Patents

a safety valve for tanker train Download PDF

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Publication number
KR200457875Y1
KR200457875Y1 KR2020110009743U KR20110009743U KR200457875Y1 KR 200457875 Y1 KR200457875 Y1 KR 200457875Y1 KR 2020110009743 U KR2020110009743 U KR 2020110009743U KR 20110009743 U KR20110009743 U KR 20110009743U KR 200457875 Y1 KR200457875 Y1 KR 200457875Y1
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KR
South Korea
Prior art keywords
valve
tanker
valve body
seat
oil
Prior art date
Application number
KR2020110009743U
Other languages
Korean (ko)
Inventor
이재춘
Original Assignee
한국철도공사
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Priority to KR2020110009743U priority Critical patent/KR200457875Y1/en
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Publication of KR200457875Y1 publication Critical patent/KR200457875Y1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/22—Safety features
    • B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
    • B65D90/34—Venting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D5/00—Tank wagons for carrying fluent materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/22—Safety features

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Details Of Valves (AREA)

Abstract

The present invention relates to a safety valve for an oil tanker, which is installed in the tanker and opens when the internal pressure of the tanker ideally increases, thereby lowering the internal pressure of the tanker. The safety valve for an oil tanker according to an embodiment of the present invention is a valve unit in which the oil vapor of the tanker is introduced, the discharge part is provided with a discharge chamber is temporarily accommodated before the oil vapor is discharged to the outlet, and the inlet A valve body including a valve seat portion partitioning the discharge chamber; A valve body including a valve plate seated on the valve seat to open or close a communication hole, a seating seat disposed in the valve chamber so as to be spaced apart from the valve plate, and a shaft pin connecting the valve plate; An elastic spring for elastically supporting the valve body in the valve body; A cover to seal the opening; A link coupled to the shaft pin; An operation handle which is rotatably coupled to the support part in a vertical direction; And a filter-type silencer provided at the outlet. Therefore, it is possible to reduce the noise discharged from the steam, improve the durability by preventing the inflow of foreign matters, there is an effect that can be operated manually.

Description

Safety valve for tanker train

The present invention relates to a safety valve for an oil tanker, which is installed in the tanker and opens when the internal pressure of the tanker ideally increases, thereby lowering the internal pressure of the tanker.

In general, an oil tanker is a freight train that stores and transports oil, and is configured to install a tank for storing oil in a freight train that runs on rails.

On the other hand, the tanker requires a safety device because the oil in the tank is evaporated to generate an oil vapor, and the pressure in the tank is increased, causing the explosion of the tank.

Such safety devices have been disclosed as "Safety valve device for tank lorry for railway vehicles" of Korean Utility Model Publication No. 20-2009-0010677 (published date 2009.10.21).

The conventional safety valve device for a railroad vehicle tank lorry includes a valve body communicating with a tank, a spring seat coupled to an upper portion of the valve body, a valve body for regulating a pressure transmitted in the valve body, and a cap coupled to the valve body. And a safety valve device for a railroad vehicle tank lorry provided with a spring interposed between the spring seat and the valve body, the valve seat being screwed between the valve body and the cap; A plurality of air discharge pipes integrally formed to protrude to the side of the valve seat; An air discharge hole formed horizontally and vertically in the air discharge pipe; And a check valve mounted inside the air discharge hole and having a check ball for opening and closing the air discharge, and an elastic body elastically supporting the check ball from the stopper.

The safety valve device of the tank lorry for a conventional railway vehicle having the above-described configuration, when the pressure of the tank lorry is above a certain pressure, the valve body is raised to open the safety valve device. It is configured to be discharged to the outside to prevent the explosion of the tank lorry.

However, the conventional safety valve device of the tank lorry for railroad cars has a problem in that noise is generated by the pressure of the oil vapor when the safety valve device is opened because the oil vapor exceeding the pressure is directly discharged to the outside through the check valve.

In addition, since the operation of the safety valve device can not be performed, by opening the tank lorry in a state in which the safety valve device is broken, there is a problem that a safety accident is injured by the operator due to the pressure of the vapor.

In addition, there is a difficult problem to set the operating pressure of the safety valve device.

The present invention is to solve the problems as described above, the problem to be solved by the present invention is to reduce the noise emitted when opening the valve, to test the operation of the valve, to set the operating pressure of the valve It is to provide a safety valve for the tanker.

In order to solve the above problems, the safety valve for an oil tanker according to an embodiment of the present invention is a safety valve for an oil tanker, which is opened or closed in accordance with an internal pressure of the tanker, in which an inlet for introducing oil vapor of the tanker is formed. A valve unit and an outlet for discharging the oil vapor introduced into the inlet to the outside is formed, and an opening is formed in an upper portion corresponding to the inlet, and the discharge chamber is temporarily accommodated before the oil vapor is discharged to the outlet. A valve body including a discharge part provided and a valve seat part which divides the inlet and the discharge chamber and has a communication hole communicating the inlet and the discharge chamber; The disk-shaped valve plate seated on the valve seat portion to open or close the communication hole when moving up and down, a seating sheet disposed to be spaced apart from the valve plate in the valve portion, the seating sheet and the valve plate is A valve body including a shaft pin connecting the seating seat and the valve plate to move together; An elastic spring for elastically supporting the valve body in the valve body so that one end thereof is seated on the seating seat and the other end is supported by the valve seat part so that the valve plate is in close contact with the valve seat part; A cover which seals the opening and is formed with a penetrating pin hole at a central portion thereof, the support having a support protruding upward; One end is inserted into the pin hole and coupled to the shaft pin, and the other end of the link part protrudes into the pin hole; An operation handle which is rotatably coupled to the support part to open and close the communication hole by moving the valve body coupled to the link up and down in such a way that the link part emerges from the pin hole when rotated; And a filter type silencer installed at the discharge port to reduce noise generated by the oil vapor discharged to the discharge port and to prevent foreign substances from flowing into the discharge port. The valve body is screwed to the shaft pin. Further comprising a support nut for supporting the seat seat to adjust the position of the support nut in the shaft pin to adjust the elastic force of the elastic spring supported by the seat seat to adjust the pressure of the valve body to open the communication hole do.

The end of the valve portion may be provided with a flange protruding out of the valve portion to couple the valve body to the tanker.

Between the valve plate and the valve seat portion may be provided with a seal member for hermetically sealing the parts in contact with each other.

The seating sheet may be formed with a plurality of distribution holes so that the oil vapor easily flows into the inlet.

The outlet may be formed in a downward shape toward the bottom from the valve body.

According to the present invention, the oil vapor is discharged through the discharge chamber, there is an effect that can significantly reduce the noise of the oil vapor discharged with a silencer.

In addition, the operation handle for operating the valve body is provided to forcibly operate the safety valve, it is possible to perform the test of the safety valve, and to reduce the pressure when opening the dome cover has the effect of preventing the occurrence of safety accidents have.

In addition, there is an effect that can set the pressure to operate the safety valve.

1 is a side view showing a state in which the safety valve for the tanker according to an embodiment of the present invention is installed in the tanker.
Figure 2 is a side cross-sectional view showing a safety valve for an oil tank according to an embodiment of the present invention.
Figure 3 is a side cross-sectional view showing a safety valve for an oil tank according to an embodiment of the present invention, a view showing a state in which the safety valve is open.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in Figure 1 to 3, the safety valve 100 for the tanker according to an embodiment of the present invention may include a valve body (110). The valve body 110 is a body to which each component is coupled, it may be coupled to the portion of the outlet 220 for the oil vapor outflow from the tanker 200.

Meanwhile, the valve body 110 may include a valve part 111, a discharge part 114, and a valve seat part 118.

The valve unit 111 is formed in a cylindrical shape through which the valve body 120 to be described below may be located.

In addition, oil vapor generated in the tanker 200 may be introduced into the lower end of the valve part 111, and this part may be an inlet 112 of the valve part 111.

Meanwhile, a ring-shaped flange protruding outward may be provided around the lower end of the valve 111.

A plurality of bolt holes are formed in the flange to overlap the flange formed in the tanker 200, and the safety valve 100 for the tanker in the form of fastening the nut in the state where the bolt penetrates the bolt hole formed in the flange tanker 200 can be installed.

The discharge part 114 may be provided at an upper end of the valve part 111, more specifically, at the opposite end where the flange of the valve part 111 is provided, and the valve part 111 and the discharge part 114 are integrally formed. Can be formed.

On the other hand, the discharge part 114 is formed in the discharge chamber 116 is temporarily accommodated therein, the discharge portion 114 side of the discharge port discharged to the outside of the oil vapor contained in the discharge chamber 116 ( 115 may be formed.

At this time, the discharge port 115 is formed in a downward state from the valve body 110 to prevent the discharge of oil vapor to the worker performing the work in the vicinity of the discharge port 115 when the oil vapor is discharged to the outside, the oil vapor By allowing it to be discharged to the floor, it is possible to prevent the oil from spreading far to the outside to generate environmental pollution.

On the other hand, the upper portion of the discharge portion 114 More specifically, the upper portion of the inlet 112 is formed in the opening hole 117 of the upper part of the discharge portion 114 is formed in a form that can be formed.

The valve seat portion 118 is formed to protrude toward the center from the inner circumferential surface of the portion connecting the valve portion 111 and the discharge portion 114 to partition the inlet 112 and the discharge chamber 116, the valve A communication hole 119 communicating with the inlet 112 and the discharge chamber 116 may be formed at the center of the seat 118.

At this time, the circumferential portion of the communication hole 119 in the valve seat portion 118 may be formed to protrude upward.

The valve body 110 configured as described above moves the oil vapor introduced into the inlet 112 through the communication hole 119 formed in the valve seat 118 to the discharge chamber 116 and moves to the discharge chamber 116. Configured to be discharged.

The safety valve 100 for an oil tank according to an embodiment of the present invention may include a valve body 120. The valve body 120 may be located inside the valve unit 111 to open or close the communication hole 119.

The valve body 120 may include a valve plate 121, a seating seat 125, and a shaft pin 123.

The valve plate 121 may be formed in a disc shape to open or close the communication hole 119. That is, the valve plate 121 seals the communication hole 119 in a form seated on the valve seat portion 118 more specifically, the portion of the valve seat portion 118 that is raised around the communication hole 119, The seated valve plate 121 may open the communication hole 119 in the form of being spaced apart from the valve seat 118.

At this time, the diameter of the valve plate 121 is formed to a diameter larger than the diameter of the communication hole 119 is configured to be seated on the top of the valve seat portion 118 protruding upward around the communication hole 119 is natural will be.

The valve plate 121 may be provided with a seal member 121a. The seal member 121a is a portion of the valve seat 118 on which the valve plate 121 is seated and the valve when the valve plate 121 is seated on the valve seat 118 to seal the communication hole 119. The air gap between the plates 121 can be completely sealed to the communication hole 119.

On the other hand, the seal member 121a may be provided under the valve plate 121 and may be formed in a ring shape having a larger diameter than the communication hole 119.

The seating seat 125 may be positioned inside the valve part 111, that is, the lower part of the valve plate 121 so as to be spaced apart from the valve plate 121. On the other hand, the seating sheet 125 may be formed with a coupling hole 127 penetrated at the center, and the fluid flowing into the inlet 112 may pass smoothly through the seating sheet 125 around the coupling hole 127. A plurality of distribution holes 126 penetrating the seating sheet 125 may be formed.

The shaft pin 123 may connect the seating sheet 125 and the valve plate 121 disposed to be spaced apart from each other so as to move together with the seating sheet 125 when the valve plate 121 moves.

At this time, the shaft pin 123 may be coupled to penetrate the center of the valve plate 121 and the seat seat 125, the valve plate 121 is fixed to the shaft pin 123 and the seat seat 125 is the shaft pin Moving along the shaft pin 123 at 123 may be coupled to enable distance adjustment between the valve plate 121 and the seating seat 125.

For example, as in the embodiment, the outer surface of the shaft pin 123 is formed with a screw thread, the seat sheet 125 in the form of inserting the shaft pin 123 into the coupling hole 127 of the seating sheet 125, the shaft pin 123 And a support nut 128 for supporting the seating sheet 125 at the bottom of the seating sheet 125 to the shaft pin 123.

Since the coupled support nut 128 is screwed to the shaft pin 123, the support nut 128 is moved up and down in the shaft pin 123 according to the rotation direction of the support nut 128, and is supported according to the position of the support nut 128. The position of the seating seat 125 supported by the nut 128 is also adjusted to adjust the distance between the seating seat 125 and the valve plate 121.

In addition, the upper portion of the shaft pin 123 More specifically, the portion of the shaft pin 123 protruding to the upper portion of the valve plate 121 may be provided with a link coupling portion 124 to which the link 150 to be described below is coupled. Can be.

The safety valve 100 for an oil tank according to an embodiment of the present invention may include an elastic spring 130. The elastic spring 130 may elastically support the valve body 120 to close the communication hole 119 formed in the valve body 110.

On the other hand, the elastic spring 130 may be implemented with a known compression coil spring, one end of the elastic spring 130 is supported by the seat seat 125, the other end of the valve body 110 more specifically the valve seat portion 118 may be supported underneath.

That is, the elastic spring 130 is positioned between the seating seat 125 and the valve seat 118 to elastically support the seating seat 125 in a downward direction to seat the seating seat 125 and the shaft pin 123. The valve plate 121 connected to each other may be configured to close the communication hole 119.

Here, the pressure of the valve body 120 to open the communication hole 119 can be adjusted in the form of adjusting the elastic force of the elastic spring 130.

For example, when the pressure of the oil vapor is relatively large, when the valve body 120 is configured to open the communication hole 119, the support nut 128 supporting the seating sheet 125 is moved upward to move the seating seat ( By allowing the gap between the valve seat 118 and the valve seat 118 to be narrowed, the elastic force of the elastic spring 130 positioned between the valve seat 118 and the seating seat 125 may be adjusted to be large.

On the other hand, when the valve body 120 is configured to open the communication hole 119 even when the pressure of the oil vapor is relatively small, the seating seat is moved by moving the support nut 128 supporting the seating seat 125 downward. By widening the interval between the 125 and the valve seat 118, it can be adjusted so that the elastic force of the elastic spring 130 positioned between the valve seat 118 and the seating seat 125 is generated small.

The safety valve 100 for an oil tank according to an embodiment of the present invention may include a cover 140. The cover 140 may seal the open opening 117 of the discharge chamber 116 of the valve body 110.

On the other hand, the cover 140 may be formed in a plate shape, it may be coupled in the form of fastening with a bolt to the peripheral portion of the opening hole 117 of the portion of the valve body 110.

In addition, a pin hole 141 through which the link 150 to be described below may be formed may be formed in a central portion of the cover 140, and a cover may be formed at a portion where the pin hole 141 is formed in the cover 140. A support 143 protruding to the upper portion of the 140 may be formed.

In addition, the opening hole 117 that the cover 140 is sealed is a pressure valve for an oil tanker, more specifically, the valve body 120 through the opening hole 117 when the cover 140 is removed from the opening hole 117. Can be disassembled or assembled.

The safety valve 100 for an oil tanker according to the embodiment of the present invention may include a link 150. The link 150 may be connected to the shaft pin 123 to move the shaft pin 123 up and down.

On the other hand, the link 150 may be formed in a rod shape, one end of the link 150 is coupled to the link coupling portion 124 coupled to the shaft pin 123 by a hinge pin (HP) so as to rotate left and right. Can be.

The other end of the link 150 may be positioned to partially protrude upward through the pin hole 141 of the cover 140 that seals the opening hole 117.

It may include an operation handle 160 according to an embodiment of the present invention. The operation handle 160 may operate the communication hole 119 to forcibly open or close the communication hole 119 to move the link 150 up and down.

On the other hand, the operation handle 160 is formed in a rod shape, the end of the operation handle 160 hinge pin (HP) to be rotated up and down around the support portion 143 to the support portion 143 formed on the cover 140 Can be connected.

In addition, a link 150 partially protruding to the upper portion of the pin hole 141 may be coupled to the manipulation handle 160 to be rotatable by the hinge pin HP.

As described above, when the manipulation handle 160 is rotated so that an operator grips and rotates the end of the manipulation handle 160 as in principle, the link 150 coupled to the manipulation handle 160 follows the manipulation handle 160. The communication hole in which the valve body 120 coupled to the link 150 is upward from the valve seat part 118 as the link 150 is upward and the valve plate 120 is closed, more specifically, the valve plate 121 is closed. 119 is forcibly opened (see FIG. 3).

At this time, when the operator releases the pressing force in the state in which the operation handle 160 is raised, the valve body 120 is lowered by the elastic force of the elastic spring 130 that elastically supports the valve body 120. ) And the valve body 120 is rotated downward so that the handle connected to the link 150 is also rotated downward to return the operation handle 160 to the initial position.

The safety valve 100 for an oil tank according to an embodiment of the present invention may include a filter type silencer 170. The filter type silencer 170 is installed in the outlet 115 to reduce the noise generated by the pressure of the vapor discharged through the outlet 115 and at the same time into the valve body 110 through the outlet 115. It can perform a filter function to introduce foreign matter.

Meanwhile, the filter silencer 170 may be made of a porous material.

The operation and effect between the above-described respective constitutions will be described.

Safety valve 100 for an oil tanker according to an embodiment of the present invention is the valve body 110 more specifically, the flange 113 provided in the valve portion 111 of the valve body 110 in the tanker 200 A portion of the outlet 220 through which oil vapor flows out is coupled using a bolt and a nut.

When the safety valve 100 for the tanker installed in the tanker 200 is oil vapor generated from the fluid contained in the tanker 200 is discharged to the outlet 220 of the tanker 200, the valve body 110 of the It is introduced into the valve unit 111 through the inlet 112.

At this time, when the pressure of the oil vapor is a pressure that is not greater than the elastic force of the elastic spring 130 for supporting the valve body 120, the valve body 120 through the communication hole 119 because the oil vapor does not operate the valve body 120 ) Is sealed.

On the other hand, when the pressure of the oil vapor is increased to generate a pressure larger than the elastic force of the elastic spring 130 for supporting the valve body 120, the oil vapor presses the valve body 120 more specifically the valve plate 121 The communication plate 119 is opened by moving the valve plate 121 upwardly so that the valve plate 121 is separated from the valve seat 118 on which the valve plate 121 is seated.

Meanwhile, the oil vapor is introduced into the discharge chamber 116 through the open communication hole 119, and the oil vapor introduced into the discharge chamber 116 is discharged to the outside through the discharge port 115.

At this time, since the pressure is reduced in the discharge chamber 116, and is discharged to the outside through the filter-type silencer 170, the oil vapor is discharged to the outside directly from the valve as in the prior art to significantly reduce the noise generated by the external pressure difference You can.

Then, when the oil vapor is discharged to the outside through the discharge port 115 to lower the internal pressure of the tanker 200, the valve body 120 that opened the communication hole 119 by the elastic force of the elastic spring 130 is again Seated on the valve seat 118 is operated in the form of closing the communication hole 119.

As such, the safety valve 100 for the tanker is automatically opened when the pressure is increased in accordance with the internal pressure of the tanker 200, and is automatically operated to block when the pressure is lowered.

On the other hand, in order to test the safety valve 100 for the tanker, the operation handle 160 is rotated so that the operator grasps upward.

When the manipulation handle 160 is rotated, the link 150 connected to the manipulation handle 160 moves upward in the pin hole 141, and the upwardly moved link 150 moves the shaft pin 123 upwardly to form a valve body ( 120) The safety valve 100 for the tanker is forcibly opened in the form of opening the communication hole 119 in which the valve plate 121 is closed by moving the whole upward.

Then, when the operator rotates the operation handle 160 held by the operator after the test is released or releases the rotational force for rotating the operation handle 160, the valve body by the elastic force of the spring supporting the valve body 120 120 returns to the initial position to close the communication hole 119 in a form in which the valve plate 121 is seated on the valve seat 118, thereby closing the safety valve 100 for the tanker.

In addition, the operation handle 160 is not only used to test the safety valve 100 for an oil tanker, but when the dome cover 210 for supplying a fluid to the tanker 200 is opened, the operation handle 160 is used. Safety operation caused by opening the tanker 200 in a state where the pressure of the tanker 200 is increased by forcibly opening the tanker 200 in a state in which the internal pressure of the tanker 200 is lowered by operating the Can be prevented.

Therefore, the safety valve 100 for an oil tanker according to an embodiment of the present invention can be manually operated to operate a safety valve 100 for an oil tanker, so that a test of the safety valve 100 can be performed and the tanker When the dome cover 210 of the 200 is opened, a safety accident caused by the pressure of the vapor can be prevented.

In addition, by lowering the pressure of the discharged steam in the discharge chamber 116 to discharge to the outlet 115, it is possible to significantly reduce the generation of noise due to the discharge of the steam.

In addition, the flange 113 is provided to be easily removable to the tanker 200.

In addition, the valve body 120 may be sealed and prevented from being broken and corroded by foreign matters, thereby being fixed to the valve body 110.

In addition, in order to adjust the elastic force of the elastic spring 130 for supporting the valve body 120 it is possible to adjust the opening pressure of the safety valve 100.

Although the embodiments of the present invention have been described above, the scope of the present invention is not limited thereto, and the present invention is easily changed from the embodiments of the present invention by those skilled in the art to which the present invention pertains and is considered to be equivalent. Includes all changes and modifications to the scope of the matter.

100: oil tank safety valve 110: valve body
111: valve portion 112: inlet
113: flange 114: discharge part
115: outlet 116: discharge chamber
117: opening hole 118: valve seat portion
119: communication hole 120: valve body
121: valve plate 121a: seal member
123: shaft pin 124: link coupling portion
125: seating sheet 126: distributor
127: coupling hole 128: support nut
130: elastic spring 140: cover
141: pin ball 143: support portion
150: link 160: operation handle
170: filter type silencer 200: tanker
210: dome cover 220: outlet
HP: hinge pin

Claims (5)

In the safety valve for the tanker that opens or closes according to the internal pressure of the tanker,
A valve unit having an inlet through which oil vapor of the tanker is introduced;
An outlet having an outlet for discharging the oil vapor introduced into the inlet to the outside, an open hole formed in an upper portion corresponding to the inlet, and a discharge chamber for temporarily storing the oil vapor before the oil is discharged to the outlet. Wow,
A valve body partitioning the inlet and the discharge chamber and including a valve seat portion having a communication hole communicating the inlet and the discharge chamber;
A disk-shaped valve plate seated on the valve seat to open or close the communication hole when moving up and down;
A seating seat disposed to be spaced apart from the valve plate in the valve unit;
A valve body including a shaft pin connecting the seating sheet and the valve plate to move the seating sheet and the valve plate together;
An elastic spring having one end seated on the seating seat and the other end supported by the valve seat part to elastically support the valve body in the valve body so that the valve plate is in close contact with the valve seat part;
A cover which seals the opening and is formed with a penetrating pin hole at a central portion thereof, the support having a support protruding upward;
One end is inserted into the pin hole and coupled to the shaft pin, and the other end of the link part protrudes into the pin hole;
An operation handle which is rotatably coupled to the support part to open and close the communication hole by moving the valve body coupled to the link up and down in such a way that the link part emerges from the pin hole when rotated; And
A filter type silencer installed at the discharge port to reduce noise generated by the oil vapor discharged to the discharge port and to prevent foreign substances from entering the discharge port;
The valve body
The valve body is connected to the valve by adjusting the elastic force of the elastic spring supported on the seating seat in the form of adjusting the position of the support nut on the shaft pin further comprising a support nut screwed to the shaft pin to support the seating seat Safety valve for tanker, characterized in that for adjusting the pressure to open the ball. The method according to claim 1,
At the end of the valve portion
A safety valve for an oil tank, characterized in that a flange protruding outward from the valve unit to couple the valve body to the tank. The method according to claim 1,
Safety valve for oil tank cars, characterized in that the sealing member is provided between the valve plate and the valve seat portion to seal the parts in contact with each other. The method according to claim 1,
The seating sheet
A safety valve for an oil tank, characterized in that a plurality of distribution holes are formed so that the oil vapor is easily introduced into the inlet. The method according to claim 1,
The outlet is
Safety valve for an oil tank, characterized in that formed in a downward form toward the bottom from the valve body.
KR2020110009743U 2011-11-03 2011-11-03 a safety valve for tanker train KR200457875Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2020110009743U KR200457875Y1 (en) 2011-11-03 2011-11-03 a safety valve for tanker train

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020110009743U KR200457875Y1 (en) 2011-11-03 2011-11-03 a safety valve for tanker train

Publications (1)

Publication Number Publication Date
KR200457875Y1 true KR200457875Y1 (en) 2012-01-06

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KR2020110009743U KR200457875Y1 (en) 2011-11-03 2011-11-03 a safety valve for tanker train

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101364830B1 (en) 2012-06-04 2014-02-20 한국가스공사 Apparatus for disassembling and assembling obturator of gas pressure regulator
RU178580U1 (en) * 2017-02-28 2018-04-11 РЕЙЛ 1520 АйПи ЛТД Tank hatch

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3841520A (en) 1969-04-04 1974-10-15 Airco Inc Flame arresting vent valve
US4921214A (en) 1989-05-18 1990-05-01 Amtrol Inc. Non-refillable packless valve for pressurized containers
JPH0438053A (en) * 1990-06-04 1992-02-07 Hitachi Telecom Technol Ltd Broadcast system in wired broadcast telephone set
KR20040047118A (en) * 2002-11-29 2004-06-05 현대자동차주식회사 Apparatus for measuring compression ratio of cylinder in engine and method of the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3841520A (en) 1969-04-04 1974-10-15 Airco Inc Flame arresting vent valve
US4921214A (en) 1989-05-18 1990-05-01 Amtrol Inc. Non-refillable packless valve for pressurized containers
JPH0438053A (en) * 1990-06-04 1992-02-07 Hitachi Telecom Technol Ltd Broadcast system in wired broadcast telephone set
KR20040047118A (en) * 2002-11-29 2004-06-05 현대자동차주식회사 Apparatus for measuring compression ratio of cylinder in engine and method of the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101364830B1 (en) 2012-06-04 2014-02-20 한국가스공사 Apparatus for disassembling and assembling obturator of gas pressure regulator
RU178580U1 (en) * 2017-02-28 2018-04-11 РЕЙЛ 1520 АйПи ЛТД Tank hatch

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