CN219173254U

CN219173254U - Oil gas storage tank metering and leakage monitoring device

Info

Publication number: CN219173254U
Application number: CN202221995897.2U
Authority: CN
Inventors: 赵国成; 杨金鑫; 李同伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-06-13
Anticipated expiration: 2032-08-01

Abstract

The utility model relates to the technical field of oil and gas storage and transportation safety monitoring, in particular to an oil and gas storage and transportation tank metering and leakage monitoring device which comprises a shell, a plug-in pipe B, a floater, a fixed column, a suspender and a motor. The shell is provided with a pressure gauge, a gauge table, an audible and visual alarm, a mounting bracket and a plug-in pipe A. The plug tube B is detachably arranged at the bottom of the plug tube A, and a sealing backing plate is arranged outside the plug tube B. The floater is arranged in the plug-in pipe B in a sliding way, and is provided with a push rod which is connected with the plug-in pipe B in a sliding way. The bottom of the fixed column is provided with a pressure-sensitive sensor, and the upper surface of the ejector rod is abutted with the signal input end of the pressure-sensitive sensor. The jib sets up in grafting pipe B bottom, and the buckler is connected to the bottom of jib, and the bottom of buckler rotates and sets up the carousel, and the carousel is connected in motor drive. The bottom of carousel sets up range sensor. The utility model has simple integral structure, can measure the oil quantity in the storage tank in a non-horizontal state, and has high measurement accuracy.

Description

Oil gas storage tank metering and leakage monitoring device

Technical Field

The utility model relates to the technical field of oil and gas storage and transportation safety monitoring, in particular to a metering and leakage monitoring device for an oil and gas storage and transportation tank.

Background

The oil and gas storage and transportation is the storage and transportation of oil and gas, and in the petroleum industry, the oil and gas storage and transportation is a tie connecting various links of oil and gas production, processing, distribution, sales and the like, and the oil and gas storage and transportation is mainly realized by an oil and gas storage and transportation tank. The oil gas storage and transportation tank especially needs to pay attention to the pressure change in the oil gas storage and transportation tank all the time in the transportation process, so that leakage is prevented, the oil gas storage and transportation tank is of a non-transparent structure, and the oil gas quantity in the oil gas storage and transportation tank needs to be measured by means of a metering device.

The Chinese patent with the authorized bulletin number of CN213535995U discloses an oil gas storage tank metering and leakage monitoring device, which comprises a metering mechanism and a leakage monitoring mechanism, wherein the left side and the right side of the leakage monitoring mechanism are respectively provided with a first double-diaphragm assembly and a second double-diaphragm assembly, the middle part of the left side of the first double-diaphragm assembly is provided with a packer, the upper side and the lower side of the right side of the second double-diaphragm assembly are respectively provided with a sliding rod, the right side of the sliding rod is provided with a triggering alarm mechanism, and the components are mutually matched to realize real-time metering monitoring, real-time leakage monitoring and digital display.

However, the device still has the defects that: because the oil gas storage and transportation tank moves along with the special transportation vehicle, in the vehicle parking process, the storage and transportation tank is difficult to ensure to be in a horizontal state, and the raw material liquid level in the storage and transportation tank and the storage and transportation tank body are in a relatively inclined state, and the metering mechanism in the device cannot accurately obtain the oil gas quantity data.

Disclosure of Invention

The utility model aims to solve the problems in the background technology and provides a metering and leakage monitoring device for an oil and gas storage and transportation tank.

The technical scheme of the utility model is as follows: the oil gas storage tank metering and leakage monitoring device comprises a shell, a plug-in pipe B, a floater, a fixed column, a suspender and a motor. The shell is provided with a pressure gauge and a meter, and the shell is provided with an audible and visual alarm. The bottom of casing sets up the installing support, and the bottom of casing sets up and inserts takeover A. The plug tube B is detachably arranged at the bottom of the plug tube A, and a sealing backing plate is arranged outside the plug tube B. The floater is arranged in the splicing pipe B in a sliding way, the floater is in sealing fit with the inner wall of the splicing pipe B, the floater is provided with a push rod, and the push rod is in sliding connection with the splicing pipe B. The fixed column is arranged in the plug-in pipe B, the bottom of the fixed column is provided with a pressure-sensitive sensor, and the upper surface of the ejector rod is abutted with the signal input end of the pressure-sensitive sensor. The jib sets up in the bottom of pegging graft pipe B, and the buckler is connected to the bottom of jib, and the bottom of buckler rotates and sets up the carousel. The motor is arranged in the waterproof cover, and the motor is connected with the turntable in a driving way. The bottom of carousel sets up the range finding sensor, and range finding sensor deviates from the axle center of carousel.

Preferably, a wiring terminal is arranged in the plug-in pipe A, a plug-in terminal is arranged at the top end of the fixing column, and the plug-in terminal is clamped with the wiring terminal.

Preferably, the pressure gauge comprises a pointer and a scale plate. The shell is internally provided with a controller, the pressure-sensitive sensor is electrically connected with the controller, the pressure gauge is electrically connected with the controller, and the controller is in control connection with the audible and visual alarm.

Preferably, the upper surface of the sealing backing plate is provided with a flexible sealing ring, the side surface of the sealing backing plate is provided with a plurality of deep holes, and the cambered surface of the sealing backing plate is provided with a plurality of anti-slip teeth.

Preferably, the locking knob is arranged on the inserting tube A in a threaded manner, and the end face of the locking knob inserted into the inserting tube A is abutted with the outer wall of the inserting tube B.

Preferably, a thread groove is formed in the plug tube A, and a thread tooth is arranged outside the top end of the plug tube B and matched with the thread groove.

Preferably, the sealing shaft sleeve A and the sealing shaft sleeve B are arranged in the plug-in pipe B, and the ejector rod is arranged on the inner sides of the sealing shaft sleeve A and the sealing shaft sleeve B in a sliding manner and is in sealing fit with the sealing shaft sleeve A and the sealing shaft sleeve B.

Preferably, the bottom of the splicing tube B is provided with a through hole, the floater is positioned above the through hole, and the diameter of the through hole is far smaller than that of the floater.

Compared with the prior art, the utility model has the following beneficial technical effects:

the pressure value and the oil gas value in the storage and transportation tank are displayed in real time by the aid of the pressure gauge and the gauge; through the arrangement of the matched structure of the floater, the ejector rod and the pressure-sensitive sensor, the air in the storage and transportation tank pushes the floater to push the ejector rod upwards, and the ejector rod presses the pressure-sensitive sensor, so that the pressure value in the storage and transportation tank is obtained, and the pressure value changes under the condition that the storage and transportation tank leaks, so that the audible and visual alarm generates leakage alarm; through setting up motor drive carousel pivoted structure, the range finding sensor that carousel bottom skew its axle center set up follows the carousel and rotates, can measure the inclination value of liquid level for the liquid storage pot, and then obtains accurate oil gas surplus through calculating, and overall structure is simple relatively, and the cost is lower, is fit for promoting.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is an internal structural view of the plug tube B of FIG. 1;

fig. 3 is an enlarged view of a portion a in fig. 2.

Reference numerals: 1. a housing; 2. a pressure gauge; 3. a meter; 4. an audible and visual alarm; 5. a mounting bracket; 6. inserting a pipe A; 7. a connecting pipe B is inserted; 71. sealing the shaft sleeve A; 72. a sealing shaft sleeve B; 8. a locking knob; 9. a sealing backing plate; 10. a float; 11. a push rod; 12. fixing the column; 13. a pressure sensitive sensor; 14. a plug terminal; 15. a boom; 16. a waterproof cover; 17. a motor; 18. a turntable; 19. a distance measuring sensor.

Detailed Description

Example 1

As shown in fig. 1-3, the utility model provides an oil and gas storage tank metering and leakage monitoring device, which comprises a shell 1, an insertion pipe B7, a floater 10, a fixed column 12, a suspender 15 and a motor 17. The shell 1 is provided with a pressure gauge 2 and a gauge 3, and the shell 1 is provided with an audible and visual alarm 4. The bottom of casing 1 sets up installing support 5, and the bottom of casing 1 sets up cartridge A6. The plug tube B7 is detachably arranged at the bottom of the plug tube A6, and a sealing backing plate 9 is arranged outside the plug tube B7. The floater 10 is arranged in the splicing tube B7 in a sliding way, the floater 10 is in sealing fit with the inner wall of the splicing tube B7, the ejector rod 11 is arranged on the floater 10, and the ejector rod 11 is in sliding connection with the splicing tube B7. The fixed column 12 is arranged in the plug-in pipe B7, the bottom of the fixed column 12 is provided with the pressure-sensitive sensor 13, and the upper surface of the ejector rod 11 is abutted with the signal input end of the pressure-sensitive sensor 13. The jib 15 sets up in the bottom of pegging graft pipe B7, and buckler 16 is connected to the bottom of jib 15, and the bottom of buckler 16 rotates and sets up carousel 18. A motor 17 is arranged in the waterproof cover 16, and the motor 17 drives a connecting turntable 18. The bottom of carousel 18 sets up range sensor 19, and range sensor 19 skew carousel 18's axle center.

In this embodiment, a through hole with the size of the plugging tube B7 is formed at the top end of the middle part of the storage and transportation tank, the shell 1 is installed on the storage and transportation tank, the plugging tube A6 at the bottom of the shell 1 is located right above the through hole and is coaxial with the through hole, the plugging tube B7 passes through the through hole from the inside of the storage and transportation tank and is screwed into the plugging tube A6, so that the two circuits are in butt joint, the turntable 18 is kept parallel to the bottom of the storage and transportation tank, the sealing pad 9 effectively improves the tightness between the through hole and the plugging tube B7, the ranging sensor 19 is vertical to the bottom of the storage bin in the storage and transportation tank, after oil gas is filled, the pressure value in the storage and transportation tank changes, the oil gas pushes the float 10 to rise at the moment, the ejector rod 11 on the float 10 acts on the pressure sensor 13, the ejector rod 11 acts on the pressure sensor 13 through the pressure gauge after the system calculation, the pressure value in the storage and transportation tank is in a dynamic balance range after the filling is completed, when the leakage occurs, the pressure value obviously changes, and the audible-visual alarm 4 gives out an alarm.

When the residual oil quantity in the storage and transportation tank is measured, if the whole storage and transportation tank is in an inclined state, the motor 17 is started at the moment, the motor 17 rotates to drive the turntable 18 to rotate, and then the distance measuring sensor 19 is driven to rotate, the distance measuring sensor measures the liquid level distance in a horizontal state respectively in a certain range, the distance is different along with the rotation of the turntable 18, and the system gathers all measured data and calculates the inclination of the current oil level, so that the residual oil quantity is accurately measured.

Example two

As shown in fig. 2, in the oil-gas storage and transportation tank metering and leakage monitoring device according to the present utility model, compared with the first embodiment, the sealing sleeve a71 and the sealing sleeve B72 are disposed in the plugging tube B7, and the ejector rod 11 is slidably disposed inside and in sealing engagement with the sealing sleeve a71 and the sealing sleeve B72. The bottom of the insertion tube B7 is provided with a through hole, the float 10 is located above the through hole, and the diameter of the through hole is much smaller than that of the float 10.

In this embodiment, the sealing performance between the fixed table 11 and the inner wall of the plugging tube B7 is enhanced by using the sealing sleeve a71 and the sealing sleeve B72, so as to prevent the air leakage of the device, and the through hole is a passage for high-pressure oil gas in the storage and transportation tank to enter the plugging tube B7.

Example III

As shown in fig. 1 and 2, compared with the first embodiment, the oil gas storage and transportation tank metering and leakage monitoring device provided by the utility model has the advantages that the flexible sealing ring is arranged on the upper surface of the sealing base plate 9, a plurality of deep holes are arranged on the side surface of the sealing base plate 9, and a plurality of anti-slip teeth are arranged on the cambered surface of the sealing base plate 9.

In this embodiment, the screw-mounting of the insertion tube B7 can be completed by inserting a screwdriver or other tubular tool into the deep hole, which is convenient for the operation of the staff.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The oil gas storage tank metering and leakage monitoring device is characterized by comprising a shell (1), a plug-in pipe B (7), a floater (10), a fixed column (12), a suspender (15) and a motor (17);

the shell (1) is provided with a pressure gauge (2) and a gauge (3), and the shell (1) is provided with an audible and visual alarm (4); the bottom of the shell (1) is provided with a mounting bracket (5), and the bottom of the shell (1) is provided with an insertion pipe A (6); the plug tube B (7) is detachably arranged at the bottom of the plug tube A (6), and a sealing backing plate (9) is arranged outside the plug tube B (7);

the floater (10) is arranged in the plug-in pipe B (7) in a sliding way, the floater (10) is in sealing fit with the inner wall of the plug-in pipe B (7), the ejector rod (11) is arranged on the floater (10), and the ejector rod (11) is in sliding connection with the plug-in pipe B (7); the fixed column (12) is arranged in the insertion tube B (7), the bottom of the fixed column (12) is provided with the pressure-sensitive sensor (13), and the upper surface of the ejector rod (11) is abutted with the signal input end of the pressure-sensitive sensor (13);

the hanging rod (15) is arranged at the bottom of the plug-in pipe B (7), the bottom of the hanging rod (15) is connected with the waterproof cover (16), and the bottom of the waterproof cover (16) is rotatably provided with the rotary table (18); the motor (17) is arranged in the waterproof cover (16), and the motor (17) is in driving connection with the turntable (18); the bottom of carousel (18) sets up range finding sensor (19), and range finding sensor (19) skew axle center of carousel (18).

2. The oil gas storage and transportation tank metering and leakage monitoring device according to claim 1, wherein a wiring terminal is arranged in the plug pipe A (6), a plug terminal (14) is arranged at the top end of the fixing column (12), and the plug terminal (14) is clamped with the wiring terminal.

3. The oil and gas storage and transportation tank metering and leakage monitoring device according to claim 1, characterized in that the pressure gauge (2) comprises a pointer and a scale plate; a controller is arranged in the shell (1), the pressure sensor (13) is electrically connected with the controller, the pressure gauge (2) is electrically connected with the controller, and the controller is in control connection with the audible and visual alarm (4).

4. The oil and gas storage and transportation tank metering and leakage monitoring device according to claim 1 is characterized in that a flexible sealing ring is arranged on the upper surface of a sealing base plate (9), a plurality of deep holes are arranged on the side face of the sealing base plate (9), and a plurality of anti-slip teeth are arranged on the cambered surface of the sealing base plate (9).

5. The oil gas storage and transportation tank metering and leakage monitoring device according to claim 1, wherein a locking knob (8) is arranged on the plug pipe A (6) in a threaded mode, and the end face of the locking knob (8) inserted into the plug pipe A (6) is abutted with the outer wall of the plug pipe B (7).

6. The oil and gas storage and transportation tank metering and leakage monitoring device according to claim 1, wherein a thread groove is formed in the insertion pipe A (6), a thread tooth is arranged outside the top end of the insertion pipe B (7), and the thread tooth is matched with the thread groove.

7. The oil gas storage and transportation tank metering and leakage monitoring device according to claim 1, wherein a sealing shaft sleeve A (71) and a sealing shaft sleeve B (72) are arranged in the plug tube B (7), and the ejector rod (11) is arranged on the inner sides of the sealing shaft sleeve A (71) and the sealing shaft sleeve B (72) in a sliding manner and is in sealing fit with the sealing shaft sleeve A (71) and the sealing shaft sleeve B (72).

8. The oil and gas storage and transportation tank metering and leakage monitoring device according to claim 1, characterized in that the bottom of the plug-in pipe B (7) is provided with a through hole, the float (10) is located above the through hole, and the diameter of the through hole is much smaller than the diameter of the float (10).