CN210802399U

CN210802399U - Double-membrane test device for oil tank explosion prediction and early warning

Info

Publication number: CN210802399U
Application number: CN201922149502.1U
Authority: CN
Inventors: 张建功
Original assignee: Tianjin Batec Precision Machine Tool Co Ltd
Current assignee: Tianjin Batec Precision Machine Tool Co Ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-06-19
Anticipated expiration: 2029-12-04

Abstract

The utility model provides a two membrane test device for oil tank explosion prediction early warning, the on-line screen storage device comprises a base, the bottom plate, the diaphragm, the internal thread ball valve, a handle, the interface, the right angle connects, the seal cover, the base top is equipped with the bottom plate, be equipped with the diaphragm that the diameter is less than the circular structure of bottom plate diameter on the bottom plate with one heart, the centre of a circle position of bottom plate bottom is equipped with the right angle and connects, the vertical ascending tip that the right angle connects and the bottom fixed connection of bottom plate, the end connection that the level set up has the internal thread ball valve, be equipped with the handle on the internal thread ball valve, the tip of internal. The utility model has the advantages that: the utility model discloses filled the blank of the test device in present affiliated field, can effectually have the ability and the monitoring capability under the different light environment of oil tank deformation gauge height real-time supervision to early warning device and test, the diaphragm can realize 0-30 mm's deformation, and the deformation error is less than 0.1mm in 10 times, and numerical value is accurate, can used repeatedly many times.

Description

Double-membrane test device for oil tank explosion prediction and early warning

Technical Field

The utility model relates to a test device especially relates to a two membrane test device that is used for oil tank explosion prediction early warning.

Background

The oil tank is a container for storing crude oil or other petroleum products, and is used in oil refinery, oil field, oil depot and other industries, the oil tank area is composed of a plurality of oil tanks, each oil tank area generally stores one kind of oil product, and is divided into three types according to materials, namely steel, reinforced concrete and masonry, the steel oil tank is vertical (including arched top type and floating top type cylinders), spherical shell type (spherical) and horizontal type (cylindrical), the vertical type arched top oil tank is composed of a spherical top and a vertical cylindrical tank wall, and is mainly used for storing oil products with non-volatile media, such as diesel oil and similar oil products. The most common volume is 1000-10000m³。

The oil tank is an important device of an oil depot, a large amount of oil products which are easy to explode, burn, volatilize and run off are stored, once the loss caused by explosion is difficult to estimate, the development of the oil tank is obvious in large-scale trend in recent 20 years, along with the increase of oil gas reserve, the scale and the number of the oil storage tank are also greatly increased, the oil tank is easy to explode under the conditions of naked fire, static electricity and nature, and great hidden dangers are brought to the life and property safety of people, so that how to safely and effectively manage the oil storage tank and improve the safety and the reliability of the oil storage tank is a great subject faced by the current safety management work.

In order to find out the danger of oil tank explosion as soon as possible, the early warning device based on the millimeter wave radar technology is usually adopted to predict and early warn the oil tank explosion, but whether the early warning device has the effective high-precision real-time monitoring capability on the deformation of the oil tank and the monitoring capability under different light environments is not clear, the early warning device needs to be tested before being formally put into use, and the test device used for the early warning device in the field of the early warning device at present still belongs to a blank, so that the test device which is small in error, vertical and accurate and can be repeatedly used for many times needs to be designed.

Disclosure of Invention

According to the technical problems, the utility model provides a double-membrane test device for oil tank explosion prediction early warning, which comprises a base, a bottom plate, a membrane, an internal thread ball valve, a handle, an interface, a right-angle joint, a sealing sleeve and a test piece deformation control mechanism, wherein the top of the base is provided with the bottom plate, the bottom plate is fixed on the base in a peripheral spot welding manner, the bottom plate is of a circular structure, the bottom plate is concentrically provided with the membrane of the circular structure with the diameter smaller than that of the bottom plate, the membrane is fixed on the bottom plate in a peripheral full welding manner, the circle center position of the bottom plate is provided with the right-angle joint, the vertically upward end part of the right-angle joint is fixedly connected with the bottom of the bottom plate, the outer side of the right-angle joint is sleeved with the sealing sleeve, the horizontally arranged end part of the right-angle joint, the interface is connected with the test piece deformation control mechanism through a water pipe.

Further, the height of base is 180 mm.

Further, the diameter of the bottom plate is 1000 mm.

Further, the diameter of the diaphragm is 950 mm.

Furthermore, the bottom plate and the diaphragm are made of spring steel plates.

Furthermore, the test piece deformation control mechanism is a water pump.

The utility model has the advantages that: the utility model relates to a two membrane test device for oil tank explosion prediction early warning, through set up the two membrane experimental apparatus that the diameter is 1000mm at the oil tank top, the diaphragm can realize 0-30 mm's deformation under test piece deformation control mechanism accurate control, and numerical value is accurate, and the diaphragm test piece can be used repeatedly many times, and the deformation error is less than 0.1mm in 10 times, the utility model discloses filled the blank of the test device in the present affiliated field, can effectually have the monitoring ability under the high precision real-time supervision of oil tank deformation volume and the different light environment to early warning device is tested to reach accurate experimental numerical value.

Drawings

FIG. 1 is a view of the main structure of the present invention;

FIG. 2 is a view from direction A;

FIG. 3 is an enlarged view of point A;

FIG. 4 is a bottom schematic view of the present invention;

fig. 5 is a schematic view of the position relationship of the usage state of the present invention.

As shown in the figure, the device comprises a base-1, a bottom plate-2, a diaphragm-3, an internal thread ball valve-4, a handle-5, a connector-6, a right-angle joint-7, a sealing sleeve-8, a test piece deformation control mechanism-9, an oil tank explosion prediction early warning device-10, a high-speed camera-11, a first oil tank-12 and a second oil tank-13.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

example 1:

the utility model relates to a double-membrane test device for oil tank explosion prediction early warning, which comprises a base 1, a bottom plate 2, a membrane 3, an internal thread ball valve 4, a handle 5, a connector 6, a right-angle joint 7, a sealing sleeve 8 and a test piece deformation control mechanism 9, wherein the top of the base 1 is provided with the bottom plate 2, the bottom plate 2 is fixed on the base 1 by adopting a peripheral spot welding mode, the bottom plate 2 is of a circular structure, the bottom plate 2 is concentrically provided with the membrane 3 of the circular structure with the diameter smaller than that of the bottom plate, the membrane 3 is fixed on the bottom plate 2 by adopting a peripheral full welding mode, the circle center position at the bottom of the bottom plate 2 is provided with the right-angle joint 7, the vertically upward end part of the right-angle joint 7 is fixedly connected with the bottom of the bottom plate 2, the outer side of the right-angle joint 7 is sheathed with, the inner wire ball valve 4 is provided with a handle 5, the end part of the inner wire ball valve 4 is provided with a connector 6, and the connector 6 is connected with a test piece deformation control mechanism 9 through a water pipe.

Further, the height of the base 1 is 180 mm.

Further, the diameter of the bottom plate 2 is 1000 mm.

Further, the diameter of the membrane 3 is 950 mm.

Furthermore, the bottom plate 2 and the diaphragm 3 are made of spring steel plates.

Further, the test piece deformation control mechanism 9 is a water pump.

Example 2:

making experimental sites on the tops of 2 adjacent oil tanks of 1000 cubic meters, wherein a set of double-membrane test device with the diameter of 1000mm is installed on the top of a first oil tank 12, and an oil tank explosion prediction early warning device 10 is erected on the top of a second oil tank 13 of 30 adjacent meters for experimental data acquisition;

in order to ensure the accuracy of experimental data to the maximum possibility and not to influence the experimental data, a high-definition high-speed camera 11 is erected at a position which is 2.5 meters lower than a connecting line and 8 meters away from the double-membrane test device, a high-speed camera 11 system is debugged, the distance between the high-speed camera 11 and the double-membrane test device is determined, the focal length of the high-speed camera 11 is adjusted, the number of pictures shot per second is set according to the light input quantity of a field test environment, each picture can be ensured to completely capture the deformation part of a deformation test piece in the double-membrane test device, the distance between the high-definition high-speed camera is determined, the focal length is adjusted, and the shooting time interval (one picture per second is shot) is set, the picture of the complete process of membrane deformation can be shot, the oil tank explosion prediction early warning device 10 is debugged in advance, the continuity and the accuracy of the collected data are well stored, preparing experimental peripheral support facilities;

the deformation test piece is made of a diaphragm 3 at the top and a bottom plate 2 at the lower layer, a connector 5 of an internal thread ball valve 4 is connected with a test piece deformation control mechanism 9 through a water pipe, deformation is formed by inputting a certain amount of liquid, because the deformation test piece is fixed on the base 1, the deformation of the upper part is not influenced by the deformation of the lower part, and the measured value is not influenced when data are measured;

after the experiment is finished every time, releasing liquid in the deformation test piece to restore the initial position of the test piece, controlling the deformation control mechanism 9 of the test piece through different illumination and deformation test piece experiments by the diaphragm 3 part on the upper part in different time periods to realize different deformation values, and obtaining an experiment conclusion through the numerical comparison analysis of the oil tank explosion prediction early warning device 10 and the high-definition high-speed camera 11 under different deformation values:

according to the experimental results, the oil tank explosion prediction early warning device 10 has little error in the measurement results in the daytime and at night, the influence degree of the oil tank explosion prediction early warning device does not have great influence on the millimeter-scale measurement precision, the measurement results of the oil tank explosion prediction early warning device 10 are basically consistent with the results obtained by the measurement mode of the high-speed camera 11 within a certain error allowable range, and the oil tank explosion prediction early warning device 10 meets the basic requirements of measuring the deformation quantity of the tank body in different environments.

The utility model discloses a set up the diameter at the oil tank top and be 1000 mm's two membrane experimental apparatus, the diaphragm can realize 0-30 mm's deformation under test piece deformation control mechanism accurate control, and numerical value is accurate, and the diaphragm test piece can used repeatedly many times, and the deformation error is less than 0.1mm in 10 times, the utility model discloses fill the blank of the test device in the present affiliated field, can effectually have the monitoring capability under the high precision real-time supervision of oil tank deformation volume and the different light environment to whether the early warning device tests to reach accurate experimental numerical value.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. A double-membrane test device for predicting and early warning of oil tank explosion is characterized by comprising a base, a bottom plate, a membrane, an internal thread ball valve, a handle, a connector, a right-angle joint, a sealing sleeve and a test piece deformation control mechanism, wherein the bottom plate is arranged at the top of the base and fixed on the base in a peripheral spot welding mode, the bottom plate is of a circular structure and concentrically provided with the membrane of the circular structure, the diameter of the membrane is smaller than that of the bottom plate, the membrane is fixed on the bottom plate in a peripheral full welding mode, the right-angle joint is arranged at the circle center of the bottom plate, the vertically upward end of the right-angle joint is fixedly connected with the bottom of the bottom plate, the sealing sleeve is sleeved outside the right-angle joint, the horizontally arranged end of the right-angle joint is connected with the internal thread ball valve, the handle is arranged, the interface is connected with the test piece deformation control mechanism through a water pipe.

2. The dual-membrane test device for tank explosion prediction and warning according to claim 1, wherein the height of the base is 180 mm.

3. The dual-membrane test device for tank explosion prediction and warning according to claim 1, wherein the diameter of the base plate is 1000 mm.

4. The dual-membrane test apparatus for tank explosion prediction and warning as claimed in claim 1, wherein the membrane has a diameter of 950 mm.

5. The dual-membrane test device for tank explosion prediction and warning as claimed in claim 1, wherein the base plate and the membrane are made of spring steel plates.

6. The dual-membrane test device for tank explosion prediction and early warning as claimed in claim 1, wherein the test piece deformation control mechanism is a water pump.