CN220251339U - Petroleum storage tank accessory detection device - Google Patents
Petroleum storage tank accessory detection device Download PDFInfo
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- CN220251339U CN220251339U CN202321440041.3U CN202321440041U CN220251339U CN 220251339 U CN220251339 U CN 220251339U CN 202321440041 U CN202321440041 U CN 202321440041U CN 220251339 U CN220251339 U CN 220251339U
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- pressure
- negative pressure
- storage tank
- fixed connection
- petroleum storage
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- 239000003208 petroleum Substances 0.000 title claims abstract description 44
- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000005086 pumping Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000000273 veterinary drug Substances 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses an accessory detection device for an oil storage tank, which comprises a trailer, wherein the upper surface of the trailer is provided with a positive pressure device, and the upper surface of the trailer is provided with a negative pressure device. According to the structure, the pressure is applied to the device through the high-pressure fan in the positive pressure device, the pressure at the bottom of the positive pressure box is increased due to the fact that the steel plate moves after being pressed, the pressure value is checked in the display controller, the comparison is made with the detection-free device, the opening pressure range of the breather valve of the petroleum storage tank accessory can be obtained quickly, the gas in the negative pressure box is pumped out in the full number through the air pump in the negative pressure device, then the second air pumping is carried out through the action between the reciprocating screw rod and the wind box, when the negative pressure value detected by the first pressure detector has no obvious change in a period of time, the pressure at the moment is the pressure at which the valve is opened due to the fact that the valve is subjected to negative pressure, and the breather valve and the safety valve can be detected under the condition that the breather valve and the safety valve are not detached through the trailer carrying of the positive pressure device and the negative pressure device.
Description
Technical Field
The utility model relates to the technical field of detection of safety accessories of storage tanks, in particular to a petroleum storage tank accessory detection device.
Background
The petroleum storage tank is used as a device for storing petroleum, the safety of the petroleum storage tank is very high, related accessories such as a breather valve and a safety valve on the petroleum storage tank need to be regularly and functionally checked, the petroleum storage tank can work normally within the safety standard range, the detection device of the safety valve accessory is used for detecting the petroleum storage tank after being detached and then is sent to a special detection table, the breather valve is used for detecting the pressure value of the safety valve, and the safety valve is detached from the petroleum storage tank in a manual mode, so that the mounting notch and the threaded port on the petroleum storage tank are possibly worn, and the device can be damaged for a long time and the function of storing and carrying petroleum is influenced.
Disclosure of Invention
The utility model aims to at least solve one of the technical problems in the prior art, and provides a petroleum storage tank accessory detection device, wherein a high-pressure fan in a positive pressure device is used for applying pressure to the device, the bottom pressure of the positive pressure tank is increased due to the movement of a steel plate after being pressed, a pressure value is checked in a display controller, compared with the detection device, the opening pressure range of a petroleum storage tank accessory breather valve can be quickly obtained, the gas in the negative pressure tank is pumped out by a suction pump in a negative pressure device, then secondary pumping is carried out under the action between a reciprocating screw rod and a wind box, when the negative pressure value detected by a first pressure detector has no obvious change in a period of time, the pressure at the moment is the pressure at which a valve is opened due to the negative pressure, and the positive pressure device and the negative pressure device are carried by a trailer, so that the detection can be carried out under the conditions of not disassembling the breather valve and a safety valve.
The utility model also provides a petroleum storage tank accessory detection device, which comprises:
the trailer is provided with a positive pressure device on the upper surface, a negative pressure device on the upper surface, and universal wheels fixedly connected with the lower surface for carrying the whole petroleum storage tank accessory detection device;
the negative pressure device comprises a negative pressure box, a pressure regulating valve, a wind box, an air inlet, a reciprocating screw rod, a ball and a first pressure detector, wherein the left surface of the negative pressure box is fixedly connected with the pressure regulating valve, the left inner wall of the negative pressure box is fixedly connected with the wind box, the air inlet is positioned on the right surface of the wind box and extends into the wind box, the bottom inner wall of the negative pressure box is fixedly connected with the first pressure detector, the right inner wall of the negative pressure box is fixedly connected with the reciprocating screw rod, and one end of the reciprocating screw rod, which is far away from the negative pressure box, is fixedly connected with the ball and is used for matching with the air inlet and the wind box to complete further air extraction;
the positive pressure device comprises a positive pressure box, a second pressure detector, a high-pressure fan, a buffer tube, an elastic railing, a steel plate, a display controller and a guide pipe, wherein the bottom inner wall of the positive pressure box is fixedly connected with the second pressure detector, the right surface of the positive pressure box is fixedly connected with the high-pressure fan, the output end of the high-pressure fan is fixedly connected with the buffer tube, the left inner wall of the positive pressure box is fixedly connected with the elastic railing, the side surface of the steel plate is in sliding connection with the positive pressure box, the left surface of the positive pressure box is fixedly connected with the display controller, the left surface of the positive pressure box is fixedly connected with the guide pipe and used for connecting the detection device, and the upper surface of the negative pressure box is fixedly connected with an air pump for adjusting and extracting air in the negative pressure box to manufacture negative pressure.
According to the petroleum storage tank accessory detection device, a handle groove is formed in the rear surface of the trailer, and a rocker is fixedly connected to the right surface of the negative pressure box and used for further exhausting and manufacturing negative pressure.
According to the petroleum storage tank accessory detection device, the back surface of the negative pressure box is fixedly connected with the positive pressure box, and the upper surface of the positive pressure box is fixedly connected with the buffer tube and extends to the inside, so that the unstable condition of wind pressure generated by the high-pressure fan is gentle.
According to the petroleum storage tank accessory detection device, the air pump, the high-pressure fan, the first pressure detector and the second pressure detector are electrically connected with the display controller, and the air pump, the high-pressure fan, the first pressure detector, the second pressure detector and the display controller are connected with an external power supply and used for controlling the whole petroleum storage tank accessory detection device.
According to the petroleum storage tank accessory detection device, the left surface of the negative pressure box is fixedly connected with the guide pipe, and one end, far away from the negative pressure box, of the guide pipe is fixedly connected with the detachable fastening piece and is used for adapting petroleum storage tank accessory breathing valves of different sizes.
According to the petroleum storage tank accessory detection device, the number of the elastic rails is 6, the elastic rails are distributed symmetrically left and right, the diameter of each ball is 1.2 times of the diameter of the section of the left end of the air inlet, and the elastic rails are used for ensuring normal operation of manufacturing negative pressure by manual air suction.
According to the petroleum storage tank accessory detection device, the number of the universal wheels is 4 and the universal wheels are distributed in an array.
According to the petroleum storage tank accessory detection device, the opening pressure value of the pressure regulating valve is 1.5 times of the opening pressure of the accessory to be detected, and the bearable pressure value of the wind box is 2 times of the pressure regulating valve, so that the negative pressure detection of the whole petroleum storage tank accessory breather valve is ensured to be normally carried out.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is an overall construction diagram of an accessory detection device for petroleum storage tanks according to the present utility model;
FIG. 2 is a diagram of a negative pressure device of the petroleum storage tank accessory detection device of the present utility model;
FIG. 3 is a diagram of a positive pressure device of an accessory detection device for a petroleum storage tank according to the present utility model;
fig. 4 is a view of an elastic rail of an accessory detection device for a petroleum storage tank according to the present utility model.
Legend description:
1. a negative pressure tank; 2. a positive pressure tank; 3. a pressure regulating valve; 4. a second pressure detector; 5. a wind box; 6. a high-pressure fan; 7. an air inlet; 8. a buffer tube; 9. a reciprocating screw rod; 10. an elastic railing; 11. a first pressure detector; 12. a steel plate; 13. a rocker; 14. a display controller; 15. an air extracting pump; 16. a conduit; 17. a ball; 18. a universal wheel; 19. a trailer; 20. a handle groove; 21. a removable fastener; 101. a negative pressure device; 102. and a positive pressure device.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1 to 4, an accessory detection apparatus for an oil tank according to an embodiment of the present utility model includes: trailer 19, the rear surface of trailer 19 is provided with handle groove 20, and the upper surface of trailer 19 is provided with positive pressure device 102, and the upper surface of trailer 19 is provided with negative pressure device 101, and the quantity of universal wheel 18 is 4 and the array distributes, and the lower surface fixedly connected with universal wheel 18 of trailer 19 for carry whole petroleum storage tank annex detection device.
The negative pressure device 101, the negative pressure device 101 includes negative pressure case 1, pressure regulating valve 3, the wind box 5, the air inlet 7, reciprocating lead screw 9, ball 17 and first pressure detector 11, negative pressure case 1's left surface and pressure regulating valve 3 fixed connection, negative pressure case 1's left inner wall and wind box 5 fixed connection, air inlet 7 is located wind box 5 right surface and extends to inside, negative pressure case 1's right surface fixedly connected with rocker 13 for further bleed makes the negative pressure, negative pressure case 1 rear surface and positive pressure case 2 fixed connection, negative pressure case 1's upper surface fixedly connected with aspiration pump 15, be used for adjusting the air in the negative pressure case 1 of extraction to make the negative pressure, negative pressure case 1's bottom inner wall and first pressure detector 11 fixed connection, negative pressure case 1's right inner wall and reciprocating lead screw 9 fixed connection, negative pressure case 1's left surface and pipe 16 fixed connection, negative pressure case 1's one end and detachable fastener 21 fixed connection for adapting the petroleum storage tank annex breather valve of equidimension, ball 17's diameter is 1.2 of the left end cross-section diameter of further bleed, be used for adjusting and extracting air in order to make negative pressure case 1, be used for adjusting and taking advantage of the negative pressure case 1 and making the negative pressure, the reciprocal lead screw 9 is fixed connection with the negative pressure case 5 is further accomplished with the negative pressure case 5.
The positive pressure device 102, the positive pressure device 102 comprises a positive pressure box 2, a second pressure detector 4, a high-pressure fan 6, a buffer tube 8, an elastic railing 10, a steel plate 12, a display controller 14 and a guide tube 16, wherein the bottom inner wall of the positive pressure box 2 is fixedly connected with the second pressure detector 4, the upper surface of the positive pressure box 2 is fixedly connected with the buffer tube 8 and extends to the inside for smoothing the unstable wind pressure generated by the high-pressure fan 6, an air pump 15, the high-pressure fan 6, a first pressure detector 11, a second pressure detector 4 and the display controller 14 are all connected with an external power supply and used for controlling the whole petroleum storage tank accessory detection device, the right surface of the positive pressure box 2 is fixedly connected with the high-pressure fan 6, the output end of the high-pressure fan 6 is fixedly connected with the buffer tube 8, the left inner wall of the positive pressure box 2 is fixedly connected with the elastic railing 10, the number of the elastic railing 10 is 6, the elastic railing 10 is distributed symmetrically left and right, the side surface of the steel plate 12 is in sliding connection with the positive pressure box 2, the opening pressure value of the pressure regulating valve 3 is 1.5 times that of an accessory to be detected, the bearable pressure value of the wind box 5 is 2 times that of the pressure regulating valve 3, the negative pressure detection of the respiratory valve of the whole petroleum storage tank accessory is ensured to be normally carried out, the left surface of the positive pressure box 2 is fixedly connected with the display controller 14, the left surface of the positive pressure box 2 is fixedly connected with the guide pipe 16, and the negative pressure detection device, the air pump 15, the high-pressure fan 6, the first pressure detector 11 and the second pressure detector 4 are electrically connected with the display controller 14.
Working principle: the whole petroleum storage tank accessory detection device is conveyed to a detection place through a trailer 19, a detachable fastening piece 21 is fixedly connected with a petroleum storage tank accessory breather valve through a bolt, the accuracy of gas pressure is guaranteed, then the opening positive pressure value of the breather valve is detected, a high-pressure fan 6 is opened, the upper part of a positive pressure box 2, which is positioned on a steel plate 12, starts to move downwards layer by layer when being subjected to wind pressure, the space pressure of the lower part of the steel plate 12 starts to increase gradually, the display controller 14 monitors in real time, when the difference between the displayed pressure value and the non-detection state is obvious, the range of the pressure value is the opening positive pressure value of the breather valve, then the opening negative pressure value of the breather valve is detected, an air pump 15 is opened, the numerical change of a first pressure detector 11 is observed, when the range of the change is not large, the air suction is stopped, a veterinary drug rocker 13 is extruded by a reciprocating screw rod 9, the gas in the air box 5 is discharged after the air box 5 is subjected to critical pressure higher than a pressure regulating valve 3, the display controller 14 is observed, when the pressure value is not changed upwards, the pressure value at the moment is indicated to be the negative pressure value of the breather valve, and finally the safety range is compared with a safety index.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. An oil tank accessory detection device, comprising:
the trailer (19), the upper surface of trailer (19) is provided with positive pressure device (102), the upper surface of trailer (19) is provided with negative pressure device (101), the lower surface of trailer (19) is fixedly connected with universal wheel (18);
the negative pressure device (101), negative pressure device (101) include negative pressure case (1), pressure regulating valve (3), wind box (5), air inlet (7), reciprocating screw (9), ball (17) and first pressure detector (11), the left surface and the pressure regulating valve (3) fixed connection of negative pressure case (1), the left inner wall and the wind box (5) fixed connection of negative pressure case (1), air inlet (7) are located the right surface and the extension of wind box (5) to inside, the bottom inner wall and the first pressure detector (11) fixed connection of negative pressure case (1), the right inner wall and the reciprocating screw (9) fixed connection of negative pressure case (1), the one end and ball (17) fixed connection of negative pressure case (1) are kept away from to reciprocating screw (9);
the positive pressure device (102), positive pressure device (102) include positive pressure case (2), second pressure detector (4), high-pressure fan (6), buffer tube (8), elasticity railing (10), steel sheet (12), display controller (14) and pipe (16), the bottom inner wall and the second pressure detector (4) fixed connection of positive pressure case (2), the right surface and the high-pressure fan (6) fixed connection of positive pressure case (2), the output and the buffer tube (8) fixed connection of high-pressure fan (6), the left inner wall and the elasticity railing (10) fixed connection of positive pressure case (2), the side surface and the positive pressure case (2) sliding connection of steel sheet (12), the left surface and the display controller (14) fixed connection of positive pressure case (2), the left surface and the pipe (16) fixed connection of negative pressure case (1) upper surface fixedly connected with aspiration pump (15).
2. The petroleum storage tank accessory detection device according to claim 1, wherein a handle groove (20) is arranged on the rear surface of the trailer (19), and a rocker (13) is fixedly connected to the right surface of the negative pressure tank (1).
3. The petroleum storage tank accessory detection device according to claim 1, wherein the rear surface of the negative pressure tank (1) is fixedly connected with the positive pressure tank (2), and the upper surface of the positive pressure tank (2) is fixedly connected with the buffer tube (8) and extends into the interior.
4. The petroleum storage tank accessory detection device according to claim 1, wherein the air pump (15), the high-pressure fan (6), the first pressure detector (11) and the second pressure detector (4) are electrically connected with the display controller (14), and the air pump (15), the high-pressure fan (6), the first pressure detector (11), the second pressure detector (4) and the display controller (14) are connected with an external power supply.
5. The petroleum storage tank accessory detection device according to claim 1, wherein the left surface of the negative pressure box (1) is fixedly connected with a guide pipe (16), and one end of the guide pipe (16) far away from the negative pressure box (1) is fixedly connected with a detachable fastener (21).
6. The petroleum storage tank accessory detection device according to claim 1, wherein the number of the elastic railings (10) is 6 and the elastic railings are distributed symmetrically left and right, and the diameter of the round ball (17) is 1.2 times of the diameter of the left end section of the air inlet (7).
7. A petroleum storage tank accessory detection apparatus as claimed in claim 1, wherein said number of universal wheels (18) is 4 and distributed in an array.
8. The petroleum storage tank accessory detection apparatus according to claim 1, wherein the opening pressure value of the pressure regulating valve (3) is 1.5 times the opening pressure of the accessory to be detected, and the bearable pressure value of the bellows (5) is 2 times the pressure regulating valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321440041.3U CN220251339U (en) | 2023-06-07 | 2023-06-07 | Petroleum storage tank accessory detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321440041.3U CN220251339U (en) | 2023-06-07 | 2023-06-07 | Petroleum storage tank accessory detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220251339U true CN220251339U (en) | 2023-12-26 |
Family
ID=89228284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321440041.3U Active CN220251339U (en) | 2023-06-07 | 2023-06-07 | Petroleum storage tank accessory detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220251339U (en) |
-
2023
- 2023-06-07 CN CN202321440041.3U patent/CN220251339U/en active Active
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