JP6723498B1 - Pipes that can be isolated automatically to prevent natural gas explosions - Google Patents

Abstract

The present invention discloses a self-isolating pipe that prevents natural gas explosion. A first pipe installed on an upper side and a second pipe installed on a lower side, and a fixing ring is fixedly installed on one end of the first pipe and the second pipe facing each other. The first pipe and the fixing ring on the upper side are provided with a delivery pipe so as to penetrate vertically, and the present invention reacts quickly when exploding, and double-seals the pipe to deliver natural gas. Separate the end from the sending end, discharge the extinguishing agent to the sending end, cool the sending end, at the same time cut the sending end and sending end and dislocate, isolate the explosion in three ways, and also spread the explosion Control and greatly improve safety. [Selection diagram] Figure 1

Description

The present invention relates to the field of pipe technology, and in particular is a self-isolating pipe that prevents natural gas explosions.

Many households use natural gas and need pipes to transport it, which can cause explosions when operations are improper, and if natural gas is not sequestered, conduits can become fire-stretching conductors. And spread to natural gas sources, causing more serious explosions and fires, and jeopardizing safety, thus requiring self-isolating pipes to prevent natural gas explosions. The present invention has disclosed an apparatus capable of solving the above technical problems.

Chinese Patent Application Publication No. 103836298

Technical problem: When sending natural gas through ordinary pipes, if natural gas explodes, natural gas cannot be sequestered and the conduit becomes the lead of the explosion.

To solve the above problems, the embodiments of the present invention designed a self-isolating pipe to prevent natural gas explosion. A pipe for automatically isolating natural gas explosion according to an embodiment of the present invention includes a first pipe installed on an upper side and a second pipe installed on a lower side, and the first pipe and the second pipe. A fixed ring is fixedly installed at one end opposite to the first pipe, and a delivery pipe is installed between the first pipe and the upper fixed ring so as to vertically pass therethrough, and the second pipe and the lower side. The feed pipe is installed in the fixed ring so as to vertically penetrate therethrough, and the fixed rings on the upper and lower sides are in close contact with each other, whereby the lower end opening of the feed pipe and the feed pipe are The upper end opening is communicated with, and where the communication is sealed, a sensor is installed in the upper side of the delivery pipe, a sealing device is installed in the fixing ring, and natural gas is delivered to cause an explosion. When generated, the impact force generated by the explosion starts the sensor, further quickly starts the sealing device, and further connects the lower end opening of the delivery pipe and the upper opening of the delivery pipe to each other, and where they communicate with each other. The upper part of the sealing device has an extinguishing agent to control the spreading flame, the lower part of the sealing device has a cooling agent, and the natural gas in the delivery pipe. The temperature of the fixing ring is rapidly reduced to avoid causing a fire again due to the high temperature outside, and the clamping device is arranged at the four front, rear, left and right ends of the fixing ring. The four ends of the fixing ring are tightly clamped, and a sealing is realized, the clamping device can be released at the same time when the sealing device is started, the first pipe is disengaged from the second pipe, and the first pipe is When receiving the impact force of an explosion, the impact force on the second pipe is reduced.

According to a further technical plan, the sensor comprises wind plates arranged at four upper, front, rear, left and right ends in the delivery pipe, the upper end of the wind plate being rotatably connected to the upper end of the inner wall of the delivery pipe. A slide chamber is installed in one end surface of the wind plate that is away from the center of symmetry, and a slide block is installed in the slide chamber so that the slide block is slidable. A connecting rod is fixedly installed at one end away from the center of symmetry, and a push rod chamber located below the wind plate is installed on the front, rear, left and right sides of the delivery pipe so as to communicate with the delivery pipe. The push rod chambers adjacent to each other are not communicated with each other, and the push rods are slidably installed in the push rod chambers, one end of the push rods extends into the delivery pipe, and the connecting rods are connected to each other. A force repulsion spring is fixedly connected between one end of the push rod, which is separated from the delivery pipe, and the inner wall of the push rod chamber.

According to a further technical plan, a hinge chamber is installed in communication with the lower wall of the push rod chamber, and the hinge rod is hinged at the lower end of the push rod and in the hinge chamber. A pull rod chamber is installed on the lower wall of the hinge chamber so as to communicate therewith, and a pull rod is slidably installed in the pull rod chamber, and an upper end of the pull rod is connected to the hinge chamber. And extends hingedly to the lower end of the hinge rod.

According to a further technical plan, the sealing device comprises sealing plate chambers arranged in an annular shape at four ends of the fixing ring in front, rear, left and right, the upper sealing plate chamber communicating with the delivery pipe. The lower sealing plate chamber communicates with the feed pipe, the sealing plate chamber is slidably installed in the sealing plate chamber, and one end of the sealing plate is located away from the center of the circle. A compression spring is fixedly connected to the inner wall of the sealing plate chamber, and a synchronization chamber is in communication with the sealing plate chamber on the side of the upper or lower four sealing plate chambers that is close to the center of symmetry. The synchronous chamber is opened toward the center of symmetry and the upper and lower synchronous chambers at the same position are in communication with each other, and a catch rod is fixed to the lower end of the upper sealing plate. A fixed block is fixedly installed on an upper end of the lower sealing plate, and a lower end of the hooking rod extends into the lower synchronous chamber to be close to a circle center of the fixed block. It is in contact with one end.

According to a further technical plan, a catch groove that opens upward is formed in the upper sealing plate, the lower end of the pulling rod extends into the catch groove, and the sealing plate is fixed. To do.

According to a further technical plan, an extinguishant chamber is installed in the upper sealing plate and on one side of the catch groove away from the circle center, and the sealing plate seals the delivery pipe. Sometimes, the extinguishant in the extinguishant chamber can quickly enter the delivery pipe to extinguish the fire, and a coolant chamber with a downward opening is installed in the lower sealing plate. By lowering the internal temperature, the temperature of the natural gas in the feeding pipe can be quickly decreased.

According to a further technical plan, the pinching device comprises a lateral pin chamber which is installed on one side of the sealing plate chamber remote from the center of the circle and which penetrates the fixing ring, in which lateral pin chamber is located laterally. A pin is installed so that it can slide, and a fixed rod is fixedly installed at one end of the catch rod that is away from the center of the circle, and opposite ends of the horizontal pins on the upper and lower sides extend into the synchronization chamber. And abutting the upper and lower ends of the fixing rod, a sandwiching chamber opened toward the center of the circle is installed in the sandwiching plate, and the fixing rings on the upper and lower sides extend into the sandwiching chamber. It is tightly pinched, and lateral pin holes are installed symmetrically and in communication with each other on the upper and lower walls of the pinching chamber, and the lateral pins extend into the lateral pin holes to fix the pinching plate.

In a further technical plan, a pressing spring is fixedly installed on one inner wall of the lateral pin hole away from the sandwiching chamber, and the lateral pin extends and extends to one end of the lateral pin hole. It abuts the pressing spring and compresses the pressing spring.

The beneficial effects of the present invention are: The present invention reacts faster when exploding, double seals the pipe, separates the natural gas inflow and outflow ends, releases extinguishant at the outflow end, It cools, and at the same time, the feed end and the feed end are cut and dislocated, isolating the explosion in three ways, controlling the expansion and spread of the explosion, greatly improving safety.

For ease of description, the present invention will be described in detail with reference to the following specific embodiments and accompanying drawings. In order to describe the present invention in detail in conjunction with FIGS. 1 to 5 below and to explain it conveniently, the following directions are defined as follows: FIG. 1 is a front view of the device of the present invention, and The left, right, front, and rear directions and the up, down, left, right, front, and rear directions of the self-projection relationship in FIG.

FIG. 1 is a schematic view of the entire structure of a pipe for automatically isolating natural gas according to the present invention to prevent explosion. FIG. 2 is a schematic diagram of the configuration in the “AA” direction of FIG. FIG. 3 is an enlarged schematic diagram of “B” in FIG. 1. FIG. 4 is a schematic diagram of the configuration in the “CC” direction of FIG. FIG. 5 is an enlarged schematic diagram of “D” in FIG.

INDUSTRIAL APPLICABILITY The present invention relates to a pipe that can be automatically isolated to prevent natural gas explosion, and is mainly applied to cutting and isolating natural gas when natural gas explodes. The present invention will be further described with reference to the accompanying drawings of the present invention below. explain:

The pipe for automatically isolating natural gas according to the present invention includes a first pipe 11 installed on the upper side and a second pipe 12 installed on the lower side. A fixed ring 13 is fixedly installed at one end opposed to the two pipes 12, and a delivery pipe 14 is installed vertically through the first pipe 11 and the upper fixed ring 13. The feeding pipe 20 is installed in the second pipe 12 and the lower fixing ring 13 so as to vertically penetrate therethrough, and the upper and lower fixing rings 13 are in close contact with each other. The lower end opening of the delivery pipe 14 and the upper end opening of the delivery pipe 20 are communicated with each other, and the communicating location is sealed, and a sensor 101 is installed on the upper side of the delivery pipe 14 and inside the fixing ring 13. A sealing device 102 is installed in the container, and when a natural gas is delivered and an explosion occurs, the impact force generated by the explosion activates the sensor 101, further quickly activates the sealing device 102, and further, the delivery pipe. The lower end opening of 14 and the upper opening of the feed pipe 20 are communicated with each other, and the communicating place is sealed. There is an extinguishing agent in the upper sealing device 102 to control the spreading flame, There is a coolant in the sealing device 102 on the side, which quickly lowers the temperature of the natural gas in the delivery pipe 20 to avoid causing a fire again due to the high temperature outside, The sandwiching device 103 is arranged at the four ends, and the sandwiching plate 15 in the sandwiching device 103 tightly sandwiches and seals the four ends of the fixing ring 13 in a normal situation, and the sealing device 102 is provided. At the same time as the start-up, the pinching device 103 can be released, the first pipe 11 is disengaged from the second pipe 12, and the first pipe 11 impacts the second pipe 12 when an impact force of an explosion is received. Reduce the power.

Beneficially, the sensor 101 includes wind plates 16 disposed at four upper, front, back, left and right ends in the delivery pipe 14, the upper end of the wind plate 16 being rotated to the upper end of the inner wall of the delivery pipe 14. A slide chamber 17 is installed in one end surface of the wind plate 16 which is remote from the center of symmetry, and a slide block 18 is slidable in the slide chamber 17. , A connecting rod 19 is fixedly installed at one end of the slide block 18 away from the center of symmetry, and a push rod located below the wind plate 16 on the front, rear, left and right sides of the delivery pipe 14. The chamber 21 is installed so as to be in communication with the delivery pipe 14, the adjacent push rod chambers 21 are not in communication, and the push rods 22 are installed in the push rod chambers 21 so that they can slide. One end of the rod 22 extends into the delivery pipe 14 and is hinged to the connecting rod 19, and one end of the push rod 22 separated from the delivery pipe 14 and the inner wall of the push rod chamber 21. A force repulsion spring 23 is fixedly connected between the two.

Beneficially, a hinge chamber 24 is installed in communication with a lower wall of the push rod chamber 21, and a hinge rod 25 is provided at a lower end of the push rod 22 and a position located in the hinge chamber 24. Are connected to each other by a hinge, and a pull rod chamber 26 is installed in communication with a lower wall of the hinge chamber 24, and a pull rod 27 is slidably installed in the pull rod chamber 26. The upper end of the moving rod 27 extends into the hinge chamber 24 and is hinged to the lower end of the hinge rod 25.

Advantageously, the sealing device 102 includes sealing plate chambers 28 arranged in an annular shape at four ends of the fixing ring 13 in the front, rear, left, and right, and the sealing plate chamber 28 on the upper side is the delivery pipe. 14, the lower sealing plate chamber 28 is connected to the feed pipe 20, and a sealing plate 29 is slidably installed in the sealing plate chamber 28. A compression spring 30 is fixedly connected between one end of the sealing plate chamber 28 and the inner wall of the sealing plate chamber 28, and the side close to the center of symmetry in the four upper or lower sealing plate chambers 28. A synchronous chamber 31 is installed so as to communicate with the sealing plate chamber 28. The synchronous chamber 31 is open toward the center of symmetry and the synchronous chambers 31 on the upper and lower sides at the same position are in communication with each other. A hook rod 32 is fixedly installed on the lower end of the upper sealing plate 29, and a fixed block 33 is fixedly installed on the upper end of the lower sealing plate 29, and the lower end of the hook rod 32 is moved downward. It extends into the side synchronous chamber 31 and abuts on one end of the fixed block 33 which is close to the center of the circle.

Advantageously, an upper opening catch groove 34 is formed in the upper sealing plate 29, the lower end of the pulling rod 27 extends into the catch groove 34, and The plate 29 is fixed.

Advantageously, an extinguishant chamber 35 is installed in the upper sealing plate 29 and on one side of the catch groove 34 away from the center of the circle, the sealing plate 29 comprising the delivery pipe. When 14 is sealed, the extinguishant in the extinguishant chamber 35 can quickly enter the delivery pipe 14 to extinguish the fire, and in the lower sealing plate 29, a coolant chamber 36 having a downward opening may be provided. Once installed, the temperature of the natural gas in the feed pipe 20 can be quickly lowered by lowering the temperature in the coolant chamber 36.

Beneficially, the pinching device 103 includes a lateral pin chamber 37 located on one side of the sealing plate chamber 28 remote from the center of the circle and penetrating the retaining ring. A lateral pin 38 is slidably installed on the upper end of the catch rod 32. A fixed rod 39 is fixedly installed on one end of the catch rod 32 that is away from the center of the circle. A pinch chamber 40 that extends into the synchronization chamber 31 and abuts both upper and lower ends of the fixed rod 39, and is opened in the pinch plate 15 toward the center of the circle, is provided on the upper and lower sides. The fixing ring 13 is tightly stretched in the sandwiching chamber 40, and horizontal pin holes 41 are installed symmetrically in the upper and lower walls of the sandwiching chamber 40 so as to communicate with each other. The pinching plate 15 can be fixed by extending into the pin hole 41.

Advantageously, a pressing spring 42 is fixedly installed on one inner wall of the lateral pin hole 41 away from the sandwiching chamber 40, so that the lateral pin 38 extends and one end of the lateral pin hole 41 extends. Extends to contact the pressing spring 42 and compresses the pressing spring 42.

The following is a detailed description of the steps of using the self-isolating pipe for preventing natural gas explosion according to the present invention with reference to FIGS.

At the first time, the sealing plate 29 is contracted into the sealing plate chamber 28, the compression spring 30 is in a compressed state, and the pulling rod 27 extends into the catch groove 34 to fix the upper sealing plate 29. Then, the catching rod 32 is in close contact with the fixed block 33, further fixes the lower sealing plate 29, and the horizontal pin 38 extends into the horizontal pin hole 41 to fix the sandwiching plate 15, thereby sandwiching the sandwiching plate. Reference numeral 15 tightly sandwiches the upper and lower fixing rings 13.

When an explosion occurs at the delivery end of natural gas, the impact force generated by the explosion pushes the wind plate 16 to reverse it downward, and further pushes the push rod 22 with the slide block 18 and the connecting rod 19 to move it from the center of the circle. It is slid in the away direction, and it is pulled by the hinge rod 25 to pull and move the rod 27 to slide upward to come out of the catch groove 34. At this time, the upper sealing plate 29 is operated by the elastic action of the upper compression spring 30. The extinguishant in the extinguishant chamber 35 spreads rapidly in the extinguishing pipe 14, and at this time, the catching rod 32 comes out of contact with the fixed block 33, and The side sealing plate 29 quickly closes the feed pipe 20 under the elastic action of the lower compression spring 30, so that the coolant in the coolant chamber 36 spreads quickly in the feed pipe 20 and at the same time the catch rod 32. Engages the fixed rod 39 to move in the direction of the center of the circle to further disengage it from the contact with the lateral pin 38, and the lateral pin 38 exits the lateral pin hole 41 under the elastic action of the pressing spring 42, The pinch plate 15 is released, the pinch plate 15 is released, and the pinch to the fixing ring 13 is released. At this time, the fixing rings 13 on both the upper and lower sides are displaced, and due to the explosion generated in the delivery pipe 14. The generated impact force does not directly face the infeed pipe 20.

The beneficial effects of the present invention are: The present invention reacts faster when exploding, double seals the pipe, separates the natural gas inflow and outflow ends, releases extinguishant at the outflow end, It cools, and at the same time, the feed end and the feed end are cut and dislocated, isolating the explosion in three ways, controlling the expansion and spread of the explosion, greatly improving safety.

The above scheme allows one of ordinary skill in the art to make various changes based on the operating mode within the scope of the present invention.

Claims (5)

In a front view, including a first pipe installed on the upper side and a second pipe installed on the lower side, a fixing ring is fixedly installed at one end of the first pipe and the second pipe facing each other. A delivery pipe is vertically installed in the first pipe and the upper fixing ring, and a delivery pipe is vertically penetrated in the second pipe and the lower fixing ring. It is installed so as to tightly abut between the upper and lower fixing rings, thereby allowing the lower end opening of the delivery pipe and the upper end opening of the delivery pipe to communicate with each other, and sealing the communicating location, A sensor is installed on the upper side of the delivery pipe and a sealing device is installed on the fixing ring.When natural gas is delivered and an explosion occurs, the impact force generated by the explosion causes the sensor to Starting, and then the sealing device is started quickly, and further, the lower end opening of the delivery pipe and the upper end opening of the delivery pipe are communicated with each other, and where they are communicated with each other, the extinguishing agent is placed in the upper sealing device. And controlling the spreading flame, there is a coolant in the lower sealing device, which quickly reduces the temperature of the natural gas in the delivery pipe and causes a fire again at the external high temperature. A sandwiching device is arranged at the front, rear, left and right ends of the fixing ring, and the sandwiching plate in the sandwiching device tightly sandwiches the four ends of the fixing ring under normal circumstances, and also realizes sealing. , The clamping device can be released at the same time when the sealing device is started, the first pipe is disengaged from the second pipe, and the first pipe impacts the second pipe when an impact force of an explosion is received. Power can be reduced,
The sensor includes wind plates arranged at four upper, front, rear, left and right ends of the delivery pipe, and an upper end of the wind plate may be rotatably connected to an upper end of an inner wall of the delivery pipe. A slide chamber is installed in one end face of the wind plate that is away from the center of symmetry, and a slide block is installed in the slide chamber so that the slide block is slidable. A connecting rod is fixedly installed at one end of the feed pipe, and push rod chambers located below the wind plate are installed on the front, rear, left, and right sides of the delivery pipe so as to communicate with the delivery pipe. The rod chamber does not communicate with each other, the push rod is slidably installed in the push rod chamber, one end of the push rod extends into the delivery pipe, and the push rod is hinged to the connecting rod. A force repulsion spring is fixedly connected between one end of the push rod away from the delivery pipe and the inner wall of the push rod chamber ,
A hinge chamber is installed on the lower wall of the push rod chamber so as to communicate with each other, and a hinge rod is hingedly connected to the lower end of the push rod and inside the hinge chamber. A pull rod chamber is installed in communication with the lower wall, a pull rod is slidably installed in the pull rod chamber, and an upper end of the pull rod extends into the hinge chamber. And connected to the lower end of the hinge rod by a hinge ,
The sealing device includes sealing plate chambers arranged in an annular shape at four ends in the front, rear, left and right in the fixing ring, the upper sealing plate chamber communicating with the delivery pipe, and the lower sealing plate chamber The sealing plate chamber is in communication with the feed pipe, the sealing plate is slidably installed in the sealing plate chamber, one end of the sealing plate separated from the center of the circle and the inner wall of the sealing plate chamber. A compression spring is fixedly connected between and, and a synchronous chamber is installed on the side close to the center of symmetry in the four upper or lower sealing plate chambers so as to communicate with the sealing plate chambers. The synchronization chamber is open toward the center of symmetry and the synchronization chambers on the upper and lower sides at the same position are in communication with each other, and a catch rod is fixedly installed on the lower end of the upper sealing plate, and A fixed block is fixedly installed on the upper end of the sealing plate, and a lower end of the catching rod extends into the lower synchronous chamber and abuts on one end of the fixed block that is close to the center of the circle. A self-separable pipe that prevents natural gas explosions, which is characterized by The natural gas according to claim 1, wherein a hook groove that opens upward is formed in the upper sealing plate, and a lower end of the pulling rod extends into the hook groove. Pipes that can be isolated automatically to prevent explosion. A fire extinguishing agent chamber is installed in the upper sealing plate and on one side of the catch groove away from the center of the circle, and in the lower sealing plate, a cooling agent opened downward. The self-isolating pipe for preventing natural gas explosion according to claim 1, wherein a chamber is installed. The sandwiching device includes a lateral pin chamber installed on one side of the sealing plate chamber away from the center of the circle and penetrating the fixing ring, and a lateral pin is slidable in the lateral pin chamber. A fixed rod is fixedly installed at one end of the hook rod that is distant from the center of the circle, and opposite ends of the horizontal pins on the upper and lower sides extend into the synchronization chamber, and the fixed rod is provided. Abutting the upper and lower ends of the holding plate, and a sandwiching chamber opened toward the center of the circle is installed in the sandwiching plate, and the fixing rings on the upper and lower sides are tightly sandwiched in the sandwiching chamber, The horizontal pin holes are installed symmetrically in the upper and lower walls of the chamber so as to communicate with each other, and the horizontal pins extend into the horizontal pin holes to fix the sandwiching plate. Pipes that can be isolated automatically to prevent natural gas explosions. A pressing spring is fixedly installed on one inner wall of the lateral pin hole away from the sandwiching chamber, and the lateral pin extends and extends to one end of the lateral pin hole to abut the pressing spring, The automatic separable pipe for preventing natural gas explosion according to claim 4 , wherein the pressure spring is compressed.

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