KR0125817Y1 - Ventilation and inhalation valve for oil and chemical material carrying tank - Google Patents

Abstract

The present invention relates to a valve device for intake and discharge of air installed in a marine tank carrying oil and toxic chemicals. Conventional valves are installed separately from each other in the tank to perform a unique function, so the work process for installing the valves in the tank is very cumbersome and time-consuming. The valve 20 and the vacuum valve 30 and the cover portion 40 are integrally coupled to the connecting pipe 10 to form a valve device, the connecting pipe 10 to the flange (2) of the tank (1) Just by combining the valve device is firmly installed and the replacement work for repair can be easily performed, which greatly enhances the operator's convenience, and the contraction and expansion of the tank (1) and the external flame of the tank (1) It is possible to fundamentally block the inflow into the tank (1) to be safe.

Description

Valve device for air intake and exhaust of oil and chemical transport tank

1 is a perspective view illustrating an embodiment of the present invention.

2 is a cross-sectional view illustrating an embodiment of the present invention.

Figure 3 (a) (b) (c) is a cross-sectional view illustrating a state in which the present invention operates.

* Explanation of symbols for main parts of the drawings

1: tank 2: flange

10 connector 11 pipe

11a, 31a: connector 14,24,34: boss

14a, 24a, 34a: arm 20: pressure valve

21 Casing 22 Actuator

23,33: guide rod 22a: gasket

25: cover 30: vacuum valve

31 body 32 opening and closing plate

34b: support tube 35: metal filter

40: cover portion 41: locking groove

42: latch 42a: butterfly nut

50: axis 51: lever

52: cam 53: operating rod

The present invention relates to a valve device for intake and discharge of air installed in a marine tank carrying oil and toxic chemicals, in particular, when a high pressure is generated inside the tank, the high pressure gas is quickly discharged and the inside of the tank is formed with a vacuum. The present invention relates to a device designed to prevent the expansion and contraction of the tank by inhaling outside air and to protect the tank from flames.

In general, various types of valves are installed in a tank for transporting petroleum oil or toxic chemicals to appropriately control the air entering and exiting the tank.

That is, when oil and chemicals are injected into the tank and the air in the tank is compressed, when a high pressure gas is generated, the pressure valve installed in the tank is operated to discharge the high pressure gas. When the inside of the tank is formed in a vacuum state, the vacuum valve installed in the tank is operated to quickly inject external air into the tank, and the toxic gas inside the tank must be ventilated for inspection, maintenance, and repair. The tank can be safely managed by a ventilation valve configured to open and close artificially.

Since these conventional valves are installed separately in the tank to perform unique functions, the process for installing the valves in the tank is very cumbersome and time consuming, and when the tank is manufactured, A closed end is required to form a separate communication path and flange separately. In particular, the replacement of the valves was quite inconvenient when supplementing the tank capacity.

Accordingly, an object of the present invention is to provide an integrated valve, which facilitates the installation and replacement of the valve, while effectively preventing the contraction and expansion of the tank and protecting the tank from external flames. It is to provide a valve device for the air intake and discharge of the material transport tank.

The present invention for achieving the above object is

A connection pipe 10 connected to a plan 2 provided at an upper portion of the tank 1, and having a connection pipe 11a formed at a side portion of the pipe body 11 through which the upper and lower portions penetrate;

Inside the casing 21, which is connected to the upper part of the connecting pipe 10 and penetrates the upper and lower parts, an actuator 22 having a guide rod 23 in the center is installed to open and close the upper part of the connecting pipe 10. In the upper part of the casing 21, the cover 25 is hinged and the pressure valve 20,

The upper and lower portions of the body 31 through which the metal filter 35 is inserted, and the connection pipe 31a installed to penetrate one side of the body 31 is the connection pipe 11a of the connection pipe 10. And a vacuum valve 30 installed at the inside thereof to open and close the opening and closing plate 32 having the guide rod 33 formed therein to open and close the lower portion of the body 31.

An open upper portion of the vacuum valve 30 body 31 is hinged at one side thereof, and a plurality of locking grooves 41 are formed at the periphery thereof, and the locking holes pinned to the outer circumferential surface of the vacuum valve 30 body 31 are formed. It is characterized by being composed by the cover portion 40 determined by (42).

Hereinafter, described in detail by the accompanying drawings a preferred embodiment for achieving the above object is as follows.

As shown in FIG. 1 and FIG. 2, the upper part of the tank 1 in which oil and chemicals are stored is provided with a flow path communicating with the inside thereof, and a flange 2 is formed in this flow path.

The flange 2 is connected to the lower portion of the connecting pipe 10 formed by the upper and lower pipe bodies 11, and the connecting pipe 11a is formed on the side portion of the connecting pipe 10 to form a side flow path. do. It is shown that the connection pipe 10 is formed to be separated into two upper and lower flanges for convenience of manufacture, and are coupled to each other, the upper and lower connection pipe 10 may be formed integrally. Of course, the upper and lower ends of the connecting pipe 10 and the front end of the connecting pipe are formed with a flange is easy to connect to other components.

The upper and lower casing 21 is connected to the upper portion of the connecting pipe 10, and the actuator 22 is provided inside the casing to form an overall pressure valve 20.

A guide rod 23 is arranged at the center of the actuator 22, and the guide rod 23 is connected to a boss 24 supported by an arm 24a at an upper end of the casing 21, and a connection pipe 10. Is inserted between the boss 14 supported by the arm (14a) at the top of the upper and lower slides while moving the actuator 22 is to open and close the upper portion of the connection pipe (10). The actuator 22 is formed of a predetermined weight and a gasket 22a is attached to the lower portion thereof to increase the sealing force of the connecting pipe 10.

The cover 25 is hinged to the upper part of the casing 21 to open and close the open upper part of the casing 21, and is configured to prevent rainwater or other foreign substances from flowing into the casing 21. .

The connecting pipe (11a) of the connecting pipe (10) is connected to the connecting pipe (31a) installed through one side of the vacuum valve 40 body 31 is connected to the pressure valve 20 around the connecting pipe (10) as a whole And the vacuum valve 30 are in communication with each other and coupled.

The body 31 of the vacuum valve 30 has a structure in which the upper and lower penetrates and a connection pipe 31a is formed at one side thereof, and the metal filter 35 is inserted into the upper and lower parts of the body 31. The opening and closing tube 32 having a predetermined thickness is provided therein.

A guide rod 33 is arranged at the center of the opening and closing plate 32, and an upper end of the guide rod 33 is supported at a center of the metal filter 35 inserted in the upper portion of the body 31. ), The lower end of the guide rod 33 is inserted into the boss 34 supported by the arm 34a at the lower portion of the body 31, and slides up and down while lifting the opening and closing plate 32 to vacuum valve. The open lower part of the 30 is opened and closed.

One side of the cover portion 40 is hinged to the open upper portion of the body 31 of the vacuum valve 30, and a plurality of catching grooves 41 are formed at the periphery of the cover portion 40 to form a vacuum valve 30. ) The body 31 is structured to be ruled and released by the locking holes 42 pinned to the outer peripheral surface.

The present invention as described above is the pressure valve 20 is coupled to the upper portion of the connection pipe 10 is connected to the tank 1 and the cover portion 40 to serve as a vacuum valve 30 and a ventilation valve on one side thereof. Integrally coupled to form a valve device, simply by connecting the connection pipe 10 to the tank to complete the installation of the entire valve, it is easy to install, repair, replacement work of the valve and greatly enhance the convenience of the operator To be promoted.

Hereinafter, the operation of the present invention will be described.

That is, as shown in (a) of FIG. 3, when the contents are filled in the tank 1 and the high pressure gas is generated while the air inside the tank 1 is compressed, the high pressure gas is connected to the upper part of the tank 1. The casing 21 is lifted up through the connected connecting pipe 10 and flows into the casing 21 of the pressure valve 20 while forcibly pushing up the actuator 22 blocking the upper part of the connecting pipe 10. The upper cover 25 is pushed and discharged to the outside to prevent the expansion of the tank (1).

At this time, the guide rod 23 arranged in the center of the actuator 22 is supported by the arm 24a on the upper end of the casing 21 and the arm 14a on the upper end of the connecting pipe 10. Stable slide in the state inserted between the bosses 14 to be supported by raising the actuator 22 to open the upper portion of the connecting pipe 10 to discharge the high pressure gas, the pressure inside the tank (1) When lowered, the tank 1 is closed again by lowering itself by its own weight so that the connection pipe 10 is closed. Of course, at this time, the cover 25 of the upper part of the casing 21 is also closed to its original position to prevent rainwater and other foreign matter from penetrating, and the heavy chain actuator 22 takes into account the capacity of the tank 1. To select and install the weight so that it rises at an appropriate pressure.

In addition, as shown in (b) of FIG. 3, the contents of the tank 1 are discharged, and when the inside of the tank 1 is vacuumed, the outside air is opened in the body of the vacuum valve 30. It is introduced into the tank 1 through the connecting pipe 10 while pushing the opening and closing plate 32 which is introduced through the lower portion and blocking the lower portion of the vacuum valve 30, the new air is rapidly injected into the tank (1) It is possible to prevent the shrinkage of the tank (1).

At this time, the guide rod 33 arranged in the center of the opening and closing plate 32 is the support pipe 34a and the lower end of the body 31, the lower end of the main body 31, the center of the metal filter 35 inserted in the upper body (31) In the state of being inserted into the boss (34) supported by the arm (34a) on the slide while raising the opening and closing plate 32 to raise the lower portion of the vacuum valve 30 to open the outside air quickly to enter the tank ( 1) When the internal pressure becomes normal, the tank 1 is closed again by lowering itself by its own weight so that the vacuum valve 30 is closed.

A metal filter 35 is installed below the body 31 of the vacuum valve 30 to prevent foreign substances from flowing into the vacuum valve 30 and to keep the temperature below the ignition point when an external flame is introduced. As it is to be blocked, it is possible to prevent the occurrence of fire in advance.

In addition, when inspecting, maintaining, and repairing the inside of the tank 1, air is introduced into the tank 1 by using a blower to forcibly discharge the toxic air inside the tank 1 to the outside to vent the tank 1. In this case, the pressure of the blower flowing into the tank (1) is not strong enough to push up the actuator 22 of the pressure valve 20 is required for a separate ventilation valve.

Accordingly, as shown in FIG. 3C, the butterfly nut 42a screwed into the engagement hole 42 pinned to the outer circumferential surface of the body of the vacuum valve 30 is rotated to engage the engagement hole 42. After being released from the engaging groove 41 formed at the periphery of the cover portion 40, when the cover portion 40 is opened, the upper portion of the vacuum valve 30 is opened to freely communicate the tank 1 with external air.

Subsequently, when air is introduced into the tank 1 by using a blower, the toxic air inside the tank 1 is quickly discharged through the open upper portion of the vacuum valve 30. It can be checked safely.

A metal filter 35 is also installed on the upper portion of the body of the vacuum valve 30 to prevent the ingress of foreign substances introduced into the vacuum valve 30 and when the external flame is backfired, the temperature is lower than the ignition point. It is kept to block so that the occurrence of fire can be prevented beforehand.

The present invention configured as described above is the pressure valve 20, the vacuum valve 30, the cover portion 40 which serves as the ventilation valve is integrally coupled to the connecting pipe 10 of the tank (1) in one working process It is to be coupled to the flange (2) is to increase the convenience of the operation, and the tank (1) and the phenomenon of contraction and expansion and the external flame is essentially blocked from entering the tank (1) to secure the tank (1) It can be protected.

In addition, as shown in FIG. 2, the cam 52 is eccentrically arranged at one end of the shaft 50, which is formed through the side wall of the connecting pipe 10, and protrudes outward of the connecting pipe 10. The other end of the shaft 50 is provided with a lever 51 to elevate the guide rod 23 of the actuator 22. This is because the actuator 22 is stuck to the upper part of the connecting pipe 10 due to the mixed gas contained in the air, and when the lever 51 is rotated when the actuator 22 is inoperable, the actuator 22 is eccentric to the tip of the shaft 50. The cam 52 is rotated to hit the lower end of the guide rod 23 arranged on the actuator 22, so that the actuator 22 is released in a state in which the actuator 22 is adhered by artificial force to perform normal operation.

In addition, an operating rod 53 having a predetermined length is inserted into the center of the metal filter 35 inserted below the vacuum valve 30 to operate the guide rod 33 of the opening / closing plate 32 positioned above the vacuum filter 30. It is configured to. That is, when the opening and closing plate 32 of the vacuum valve 30 is adhered and solidified, the operating rod 53 is pushed upward to release the opening plate 32 in a state in which the opening plate 32 is adhered by artificial force, thereby allowing normal operation. As one, the operating state of the actuator 22 and the opening and closing plate 32 is easily checked to enable normal operation.

The present invention as described above is that the pressure valve 20, the vacuum valve 30 and the cover portion 40 is integrally coupled to the connecting pipe 10, the valve device is configured, bar of the tank (1) By simply coupling the connecting pipe 10 to the flange 2, the valve device is firmly installed and the replacement work for repair can be easily performed, which greatly enhances the convenience of the operator. It is possible to protect the tank (1) safely by fundamentally blocking the expansion phenomenon and the external flame flow into the tank (1).

Claims (1)

A connecting pipe 10 connected to a flange 2 provided at an upper portion of the tank 1, and having a connecting pipe 11 a formed at a side portion of the pipe body 11 penetrated up and down, and an upper portion of the connecting pipe 10. Inside the casing 21, which is connected to the upper and lower passages, an actuator 22 having a guide rod 23 formed therein is installed to open and close the upper portion of the connecting pipe 10, and the casing 21 The upper portion of the upper and lower portions of the body 31 through which the cover 25 is hinged to the upper cover 25, and the upper and lower metal filter 35 is inserted into the upper portion, and penetrates one side of the body 31 The installed connecting pipe 31a is connected to the connecting pipe 11a of the connecting pipe 10, and the opening and closing plate 32 having the guide rod 33 arranged in the center thereof opens and closes the lower portion of the body 31. One side is hinged to the installed upper side of the vacuum valve 30 and the open upper portion of the vacuum valve 30 body 31, and a plurality of engaging grooves 41 are formed at the periphery thereof, so that the vacuum valve 30 body ( 31) Pinned to the outer circumference A valve device for air intake and discharge of the oil and chemical transport tank, characterized in that the load portion is determined by the cover portion 40 is determined by the locking hole (42).