CN221035305U

CN221035305U - Leakage detection device for oil gas storage

Info

Publication number: CN221035305U
Application number: CN202322931341.8U
Authority: CN
Inventors: 吕慕昊
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-10-31
Filing date: 2023-10-31
Publication date: 2024-05-28
Anticipated expiration: 2033-10-31

Abstract

The utility model belongs to the technical field of oil and gas storage and transportation, in particular to a leakage detection device for oil and gas storage and transportation, which comprises a first pipeline, a second pipeline and a storage and transportation tank, wherein the first pipeline and the second pipeline are connected through flanges, one end of the first pipeline is fixedly connected with the storage and transportation tank, a sealing detection assembly is arranged at the joint of the first pipeline and the second pipeline, the sealing detection assembly comprises a threaded cylinder, and two ends of the threaded cylinder are respectively in threaded connection with an external threaded ring; according to the utility model, the external thread ring is connected through the thread cylinder, a sealing space is formed outside the joint of the first pipeline and the second pipeline, and is detected through the gas sensor, when leakage occurs at the joint, the gas sensor controls the alarm to generate an alarm to remind an operator of paying attention, and compared with the prior art, the sealing space can be quickly opened by rotating the thread cylinder, and the leakage point can be quickly overhauled.

Description

Leakage detection device for oil gas storage

Technical Field

The utility model relates to the technical field of oil and gas storage and transportation, in particular to a leakage detection device for oil and gas storage.

Background

The pipeline transportation is a transportation mode for long-distance transportation of liquid and gas materials by using the pipeline as a transportation tool, is a transportation mode for specially transporting petroleum, coal and chemical products to markets by production places, and is a special component of dry line transportation in a unified transportation network.

When the petroleum, coal and chemical products are transported, the petroleum, coal and chemical products are generally stored in a centralized way by using a storage tank, and when the petroleum, coal and chemical products are transported, quantitative petroleum can be transported by opening a control valve on a petroleum gas pipeline.

In the related art, when the oil gas pipeline is connected with the storage tank, the oil gas pipeline is generally connected with the storage tank through the flange, and due to the longer service life, the flange gasket is easy to age, so that oil gas leakage occurs at the flange connection position, and when oil gas encounters open fire, explosion is easy to occur, so that certain potential safety hazard exists.

The current chinese patent with bulletin number CN214580514U discloses a leak detection device for oil gas storage, the leak detection device for oil gas storage includes: a fixed base; the bottom of the storage tank is fixed on the fixed base; the negative pressure cavity is fixed on one side of the storage tank; the conveying pipe is communicated with one side of the storage and transportation tank, one end of the conveying pipe is communicated with a control valve, and the two sides of the control valve are respectively provided with a first flange and a second flange from left to right.

With respect to the above and related art, the inventors believe that there are often the following drawbacks: the flange connection part of the device is arranged in the negative pressure cavity, the negative pressure cavity is arranged on the storage and transportation tank and is inconvenient to detach, when leakage occurs, the negative pressure cavity can not be opened quickly to treat the leakage point, the use effect is poor, and improvement is needed; therefore, a leakage detection device for oil and gas storage and transportation is provided for solving the problems.

Disclosure of utility model

In order to overcome the defects of the prior art and solve the technical problems, the utility model provides a leakage detection device for oil and gas storage.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a leakage detection device for oil and gas storage and transportation, which comprises a first pipeline, a second pipeline and a storage and transportation tank, wherein the first pipeline and the second pipeline are connected through flanges, one end of the first pipeline is fixedly connected with the storage and transportation tank, a sealing detection assembly is arranged at the joint of the first pipeline and the second pipeline and comprises a threaded cylinder, two ends of the threaded cylinder are respectively connected with external threaded rings in a threaded manner, two external threaded rings are respectively fixedly arranged on the outer walls of the first pipeline and the second pipeline, a gas sensor is fixedly connected above the sealing detection assembly, the gas sensor is electrically connected with an alarm, a valve is arranged on the first pipeline, a switch assembly is arranged on one side of the valve, which is close to the joint of the first pipeline and the second pipeline, the switch assembly comprises a piston ring, the piston ring is sleeved outside the first pipeline, a sealing space is formed outside the joint of the first pipeline and the second pipeline through the threaded cylinder, and is detected through the gas sensor, when leakage is generated at the joint, the gas sensor controller generates an alarm, and the gas sensor controller can remind an operator to rotate, and the alarm can open the sealing space quickly compared with the prior art.

Preferably, a first sealing ring is fixedly connected to the side wall of the external thread ring on one side of the second pipeline.

Preferably, the seal detection assembly further comprises a limiting end, the cross section of the limiting end is L-shaped, and the limiting end is fixedly arranged on the external thread ring on one side of the pipeline.

Preferably, the surface of the limiting end is fixedly connected with a second sealing ring, and the tightness of the threaded cylinder and the external threaded ring is improved through the first sealing ring and the second sealing ring.

Preferably, the top sliding connection of spacing end has spacing bolt, the surface cover of spacing bolt is equipped with spacing spring, and when the screw thread section of thick bamboo rotated and supported spacing end, spacing bolt aimed at the slot, and inside that spacing bolt passed through the elastic force of spring inserted the bolt, and then carries out secondary fixation to the screw thread section of thick bamboo, effectively prevents that the screw thread section of thick bamboo from becoming flexible, when need dismantling the screw thread section of thick bamboo, upwards pulled up spacing bolt makes it shift out the slot, and then can rotate the screw thread section of thick bamboo.

Preferably, a slot is formed at one end of the threaded cylinder.

Preferably, the side wall of the piston ring is fixedly connected with a spring telescopic rod, the other end of the spring telescopic rod is fixedly connected with the external thread ring, and the piston ring is kept to one side of the joint of the first pipeline and the second pipeline through the elastic force of the spring telescopic rod.

Preferably, the inside fixedly connected with pressure sensor of spring telescopic link, and pressure sensor is connected with the siren electricity, and when the piston ring removed, spring telescopic link shrink extrusion pressure sensor, control siren produced the police dispatch newspaper, and then detected the police dispatch newspaper at revealing of gas through dual mode, improvement security.

Preferably, the side wall fixedly connected with extrusion ring of piston ring, isolated two cavitys of formation in the inside of screw thread section of thick bamboo through the piston ring, when gas leaked, the inside air pressure of cavity rose and promotes the piston ring and slide, makes the handle rotation of extrusion ring promotion valve, and then automatic shutdown valve prevents the further leakage of gas.

Preferably, an exhaust hole is formed in the side wall of the external thread ring close to the first pipeline, and the exhaust hole is fixedly connected with an air bag.

The utility model has the advantages that:

1. According to the utility model, the external thread ring is connected through the thread cylinder, a sealing space is formed outside the joint of the first pipeline and the second pipeline, and is detected through the gas sensor, when leakage occurs at the joint, the gas sensor controls the alarm to generate an alarm to remind an operator of paying attention, and compared with the prior art, the sealing space can be quickly opened by rotating the thread cylinder, and the leakage point can be quickly overhauled.

2. When the gas leaks, the gas in the cavity rises to push the piston ring to slide, so that the extrusion ring pushes the handle of the valve to rotate, and the valve is automatically closed, thereby preventing the gas from further leaking.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of a thread can according to the present utility model;

FIG. 3 is a schematic diagram of a seal detection assembly according to the present utility model;

FIG. 4 is a schematic view of the structure A of FIG. 3 according to the present utility model;

fig. 5 is a schematic diagram of a switch assembly according to the present utility model.

In the figure: 1. a first pipeline; 2. a second pipeline; 3. a seal detection assembly; 31. a thread cylinder; 32. an external threaded ring; 33. a first sealing ring; 34. a limiting end; 35. a second sealing ring; 36. a limit bolt; 37. a limit spring; 38. a slot; 4. a gas sensor; 5. a valve; 6. a switch assembly; 61. piston rings; 62. a spring telescoping rod; 63. a pressure sensor; 64. and a compression ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a leak detection device for oil and gas storage and transportation comprises a first pipeline 1, a second pipeline 2 and a storage and transportation tank, wherein the first pipeline 1 and the second pipeline 2 are connected through a flange, one end of the first pipeline 1 is fixedly connected with the storage and transportation tank, a seal detection assembly 3 is installed at the joint of the first pipeline 1 and the second pipeline 2, the seal detection assembly 3 comprises a threaded cylinder 31, two ends of the threaded cylinder 31 are respectively connected with an external threaded ring 32 in a threaded manner, two external threaded rings 32 are respectively fixedly installed on the outer walls of the first pipeline 1 and the second pipeline 2, a gas sensor 4 is fixedly connected above the seal detection assembly 3, an alarm is electrically connected to the gas sensor 4, a valve 5 is installed on the first pipeline 1, a switch assembly 6 is installed on one side, close to the joint of the first pipeline 1 and the second pipeline 2, the switch assembly 6 comprises a piston ring 61, the piston ring 61 is sleeved outside the first pipeline 1, the external threaded cylinder 31 is connected with the external threaded cylinder 32, a sealing space is formed at the outer part of the joint of the first pipeline 1 and the second pipeline 2, the sealing space is detected through the gas sensor 4, the gas sensor 4 is connected with the gas sensor, the gas sensor 4 is electrically connected with the alarm, the alarm is fast, the alarm can be opened, the alarm can be controlled by the operator, and the alarm can be fast opened, compared with the existing technology, and the alarm can be quickly opened, and the alarm can be closed, and the people can be easily and the leak can be checked.

The side wall of the external thread ring 32 on one side of the second pipeline 2 is fixedly connected with a first sealing ring 33.

The seal detection assembly 3 further comprises a limiting end 34, the cross section of the limiting end 34 is L-shaped, and the limiting end 34 is fixedly arranged on the external thread ring 32 on one side of the first pipeline 1.

The surface of the limiting end 34 is fixedly connected with a second sealing ring 35, and the tightness of the threaded cylinder 31 and the external threaded ring 32 is improved through the first sealing ring 33 and the second sealing ring 35.

The top sliding connection of spacing end 34 has spacing bolt 36, and the surface cover of spacing bolt 36 is equipped with spacing spring 37, and when screw thread section of thick bamboo 31 rotated and supported spacing end 34, spacing bolt 36 aimed at slot 38, and spacing bolt 36 inserts the inside of bolt through the elastic force of spring, and then carries out the secondary to screw thread section of thick bamboo 31 and fix, prevents effectively that screw thread section of thick bamboo 31 is not hard up, when need dismantle screw thread section of thick bamboo 31, upwards pulls up spacing bolt 36 and makes it shift out slot 38, and then can rotate screw thread section of thick bamboo 31.

A slot 38 is provided at one end of the screw cylinder 31.

The side wall of the piston ring 61 is fixedly connected with a spring telescopic rod 62, and the other end of the spring telescopic rod 62 is fixedly connected with the external thread ring 32, and the piston ring 61 is kept to one side of the joint of the first pipeline 1 and the second pipeline 2 by the elastic force of the spring telescopic rod 62.

The inside fixedly connected with pressure sensor 63 of spring telescopic link 62, and pressure sensor 63 and siren electricity are connected, and when piston ring 61 moved, spring telescopic link 62 shrink extrusion pressure sensor 63, and the control siren produces the alarm, and then detects the alarm at revealing of gas through dual mode, avoids single detection mode inefficacy, improves the security.

The side wall of the piston ring 61 is fixedly connected with an extrusion ring 64, two cavities are formed in the threaded cylinder 31 through the piston ring 61 in an isolated mode, when gas leaks, the air pressure in the cavities rises to push the piston ring 61 to slide, the extrusion ring 64 pushes the handle of the valve 5 to rotate, the valve 5 is automatically closed, and further leakage of the gas is prevented.

The side wall of the external thread ring 32 close to the first side 1 of the pipeline is provided with an exhaust hole, and the exhaust hole is fixedly connected with an air bag, and the air bag is used for collecting gas extruded when the piston ring 61 moves through expansion of the air bag, so that the piston ring 61 can slide.

All electric components in the scheme are connected with an adaptive power supply through wires by a person skilled in the art, and an appropriate controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequences, and the electric connection is completed by referring to the following working principles in the working sequence among the electric components, wherein the detailed connection means are known in the art, and the following main description of the working principles and processes is omitted from the description of electric control.

None of the parts of the device are the same as or can be implemented using prior art.

The working principle is that the external thread ring 32 is connected through the thread cylinder 31, a sealing space is formed outside the joint of the first pipeline 1 and the second pipeline 2, the gas sensor 4 is used for detecting, when leakage occurs at the joint, the gas sensor 4 controls the alarm to generate an alarm to remind operators of attention, and compared with the prior art, the thread cylinder 31 can be rotated to rapidly open the sealing space, the leakage point can be rapidly overhauled, when the thread cylinder 31 is rotated to abut against the limiting end 34, the limiting bolt 36 is aligned with the slot 38, the limiting bolt 36 is inserted into the bolt through the elastic force of the spring, the thread cylinder 31 is further secondarily fixed, the thread cylinder 31 is effectively prevented from loosening, and when the thread cylinder 31 needs to be disassembled, the limiting bolt 36 is pulled upwards to be moved out of the slot 38, and then the thread cylinder 31 can be rotated;

When gas leaks, the inside gas pressure of cavity rises and promotes piston ring 61 slip, makes extrusion ring 64 promote the handle rotation of valve 5, and then self-closing valve 5 prevents that gas from further revealing, and piston ring 61 removes, and spring telescopic link 62 shrink extrusion pressure sensor 63, and pressure sensor 63 detects pressure control siren and produces the alarm, and then detects the alarm at revealing of gas through dual mode, avoids single detection mode to become invalid, improves the security.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides an oil gas warehousing and transportation is with leaking detection device, includes pipeline one (1), pipeline two (2) and fortune jar, pipeline one (1) and pipeline two (2) pass through flange joint, its characterized in that: one end and the warehousing and transportation jar fixed connection of pipeline one (1), sealing detection subassembly (3) are installed to the junction of pipeline one (1) and pipeline two (2), sealing detection subassembly (3) are including screw thread section of thick bamboo (31), screw thread section of thick bamboo (31) both ends are threaded connection respectively has external screw thread ring (32), two external screw thread ring (32) are fixed mounting respectively at the outer wall of pipeline one (1) and pipeline two (2), the top fixedly connected with gas sensor (4) of sealing detection subassembly (3), gas sensor (4) electricity is connected with the siren, install valve (5) on pipeline one (1), valve (5) are close to one side of the junction of pipeline one (1) and pipeline two (2) and install switch subassembly (6), switch subassembly (6) include piston ring (61), the outside at pipeline one (1) is established to piston ring (61).

2. The leak detection apparatus for hydrocarbon storage of claim 1, wherein: the side wall of the external thread ring (32) on one side of the second pipeline (2) is fixedly connected with a first sealing ring (33).

3. The leak detection apparatus for hydrocarbon storage of claim 1, wherein: the seal detection assembly (3) further comprises a limiting end (34), the cross section of the limiting end (34) is L-shaped, and the limiting end (34) is fixedly arranged on an external thread ring (32) on one side of the first pipeline (1).

4. A leak detection apparatus for hydrocarbon storage as defined in claim 3, wherein: and a second sealing ring (35) is fixedly connected to the surface of the limiting end (34).

5. A leak detection apparatus for hydrocarbon storage as defined in claim 3, wherein: the top sliding connection of limit end (34) has spacing bolt (36), the surface cover of spacing bolt (36) is equipped with spacing spring (37).

6. The leak detection apparatus for hydrocarbon storage of claim 1, wherein: one end of the thread cylinder (31) is provided with a slot (38).

7. The leak detection apparatus for hydrocarbon storage of claim 1, wherein: the side wall of the piston ring (61) is fixedly connected with a spring telescopic rod (62), and the other end of the spring telescopic rod (62) is fixedly connected with the external thread ring (32).

8. The leak detection apparatus for oil and gas storage and transportation according to claim 7, wherein: the inside of the spring telescopic rod (62) is fixedly connected with a pressure sensor (63).

9. The leak detection apparatus for hydrocarbon storage of claim 1, wherein: the side wall of the piston ring (61) is fixedly connected with an extrusion ring (64).