Floating disc dip angle device for measuring oil immersion depth liquid level of floating roof

Abstract

The utility model discloses a floating roof oil immersion depth liquid level measuring floating disc dip angle device which comprises at least one group of inner float bowl liquid level transmitters arranged on a floating disc, each group comprises three inner float bowl liquid level transmitters, connecting lines of the three inner float bowl liquid level transmitters form an equilateral triangle, and the equilateral triangle is connected with the inner float bowl liquid level transmitters. The floating disc is provided with radar wave reflecting plates beside the inner buoy liquid level transmitters, radar liquid level transmitters in one-to-one correspondence with the radar wave reflecting plates are arranged on the floating top, the radar liquid level transmitters transmit radar waves to the radar wave reflecting plates, and a carrying belt used for lifting the basket body is arranged on the outer wall of the connecting ring at the topmost end. The device is used in cooperation with radar liquid level transmitters, the oil immersion depth of the floating disc measured by each inner buoy liquid level transmitter is obtained, and then the oil immersion depths measured by the multiple sets of inner buoy liquid level transmitters are calculated, so that the obtained inclination angle of the floating disc has the advantage of being high in accuracy. And the requirement of existing floating disc operation monitoring can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of floating disc inclination measurement, concretely to a floating roof oil immersion depth liquid level measurement floating disc inclination device. BACKGROUND

[0002] With the rapid development of China's economy, the continuous progress of science and technology, the demand for various oil products including crude oil is increasing. The larger the single tank volume is, the smaller the tank building cost is, and the less the investment is. The number of large oil tanks in China is increasing. At present, the 150,000 cubic capacity of crude oil outer floating roof storage tank has been widely popularized. The capacity of the oil tank is increased, and the land occupation is reduced. According to the API650 standard, the inclination of the floating roof is set to about 0.5° in the wind resistance design of the floating disc storage tank to ensure that the wind ring section modulus meets the wind speed condition and the storage tank anchoring determines the inclination ratio or the inclination moment exceeds the critical value. Therefore, the inclination of the floating disc during operation is set to 0~1°, so the change of the inclination of the floating disc is very important to the safety of the stable operation of the storage tank.

[0003] The change of the inclination of the floating disc causes the inclination and accumulation of the water on the top of the floating disc, the uneven stress on one side of the floating disc, the change of the friction between the floating disc and the tank wall, the damage of the primary and secondary seals of the floating disc, and the jamming of the operation of the floating disc. Therefore, the measurement and calculation of the inclination of the floating disc, and the control of the inclination of the floating disc within the range of 0~1° during operation are important factors to ensure the smooth rising and falling of the floating disc and the safe operation of the storage tank.

[0004] At present, there are many defects in the measurement of the inclination of the floating disc, and the main reasons are that the top of the floating disc is welded by many 5mm top plates, the flatness is not accurate, and the top is irregularly inclined. In addition, the top level is not accurate due to the climate change, thermal expansion and contraction and other reasons, especially the measurement within the range of 0~1° cannot meet the requirements. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the defects in the prior art, the utility model provides a floating roof oil immersion depth liquid level measurement floating disc inclination device.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0007] The utility model discloses a floating roof oil immersion depth liquid level measurement floating disc inclination device, which comprises not less than one group of inner floating cylinder liquid level transmitters arranged on the floating disc, each group of inner floating cylinder liquid level transmitters is provided with three, and the connecting lines of the three inner floating cylinder liquid level transmitters form an equilateral triangle.

[0008] The floating disc is provided with a radar wave reflection plate beside each of the inner float liquid level transmitters, and a radar liquid level transmitter corresponding to each of the radar wave reflection plates on the floating roof, the radar liquid level transmitter emits radar waves to the radar wave reflection plate, and the radar wave reflection plate reflects the radar waves and receives the emitted radar waves through the radar liquid level transmitter;

[0009] The data processing module is further included, and each of the inner float liquid level transmitters and each of the radar liquid level transmitters is connected with the data processing module.

[0010] As a preferred technical scheme of the utility model, the floating disc is provided with a mounting pipe arranged vertically, and a first flange plate is arranged on the mounting pipe, the inner float liquid level transmitter is inserted into the mounting pipe, a second flange plate is arranged on the inner float liquid level transmitter and is connected with the first flange plate, the first flange plate and the second flange plate are fixed by bolts, and a rubber sealing ring is arranged between the first flange plate and the second flange plate.

[0011] As a preferred technical scheme of the utility model, the inner float liquid level transmitter is provided with 1-3 groups.

[0012] As a preferred technical scheme of the utility model, the inner float liquid level transmitters in the multiple groups of inner float liquid level transmitters are arranged on circular lines with the same center, and the distances from the inner float liquid level transmitters to the center are consistent.

[0013] As a preferred technical scheme of the utility model, the radar wave reflection plate is mounted on the floating roof through a convenient dismounting mechanism, the convenient dismounting mechanism comprises a positioning block welded on the floating roof, the positioning block is provided with a slot inserted laterally, one end of the slot is provided with a lateral socket, the other end of the slot is a closed end, the radar wave reflection plate is fixed with a plug block inserted laterally into the slot, and the positioning block is provided with a positioning bolt for fixing the plug block.

[0014] The utility model discloses beneficial effects are:

[0015] 1. The floating roof oil immersion depth liquid level measuring floating disc inclination device is provided with not less than one group of inner float liquid level transmitters on the floating disc, each group of inner float liquid level transmitters is provided with three, the connecting lines of the three inner float liquid level transmitters form an equilateral triangle, each of the inner float liquid level transmitters is consistent with the distance from the edge of the floating disc, and the bottom of the float is consistent with the bottom edge of the floating disc and the oil product liquid surface on a horizontal plane, and is used in cooperation with the radar liquid level transmitter, the oil immersion depth of each inner float liquid level transmitter is measured, then the oil immersion depth measured by the multiple groups of inner float liquid level transmitters is calculated, so that the inclination angle of the floating disc has the characteristics of high accuracy, and can satisfy the demand of the operation monitoring of the existing floating disc.

[0016] 2The radar wave reflection plate in the floating roof oil immersion depth liquid level measurement floating disc inclination device is installed on the floating roof through the convenient dismounting mechanism, so that the floating roof is not fixed on the floating disc through bolts, the damage to the floating disc caused by punching is reduced, and the floating disc has the characteristics of easy insertion and movement along the insertion slot, so that the position adjustment during installation is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0018] Figure 1 is a radar liquid level transmitter installation schematic diagram of the floating roof oil immersion depth liquid level measurement floating disc inclination device of the present application;

[0019] Figure 2 is an inner floating cylinder liquid level transmitter distribution structure schematic diagram of the floating roof oil immersion depth liquid level measurement floating disc inclination device of the present application;

[0020] Figure 3 is an inner floating cylinder liquid level transmitter installation structure schematic diagram of the floating roof oil immersion depth liquid level measurement floating disc inclination device of the present application;

[0021] Figure 4 is a radar wave reflection installation schematic diagram of the floating roof oil immersion depth liquid level measurement floating disc inclination device of the present application;

[0022] Figure 5 is a structure schematic diagram of the insertion slot of the floating roof oil immersion depth liquid level measurement floating disc inclination device of the present application;

[0023] Figure 6 is a structure schematic diagram of the first flange of the floating roof oil immersion depth liquid level measurement floating disc inclination device of the present application.

[0024] In the drawings: 1, floating disc; 2, inner floating cylinder liquid level transmitter; 3, radar wave reflection plate; 4, radar liquid level transmitter; 6, first flange; 7, second flange; 8, rubber sealing ring; 9, floating roof; 10, positioning block; 11, insertion slot; 12, lateral insertion port; 13, through slot; 14, insertion block; 15, installation pipe; 16, hand bolt. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present application are described below in combination with the drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the present application, and do not limit the present application.

[0026] Embodiment: as Figures 1-6As shown, this utility model discloses a floating roof tilting device for measuring the oil immersion depth, comprising at least one set of inner float level transmitters 2 installed on the floating roof 1. Each set of inner float level transmitters 2 has three transmitters, and the line connecting the three inner float level transmitters 2 forms an equilateral triangle. Each inner float level transmitter 2 is equidistant from the edge of the floating roof 1, and the bottom of the float, the bottom edge of the floating roof, and the oil surface are on the same horizontal plane; this ensures that the oil immersion depth is obtained more accurately.

[0027] The floating platform 1 is provided with a radar wave reflector 3 on the side of each inner float level transmitter 2. A radar level transmitter 4 is provided on the floating top, which corresponds to each radar wave reflector 3. The radar level transmitter 4 transmits radar waves to the radar wave reflector 3, and the radar wave reflector 3 reflects the radar waves and receives the transmitted radar waves through the radar level transmitter 4.

[0028] It also includes a data processing module, with each of the inner float level transmitters 2 and each radar level transmitter 4 connected to the data processing module; however, the data processing module is not shown in the diagram. There is at least one set of inner float level transmitters 2 on the floating platform 1, with three transmitters in each set. The lines connecting the three inner float level transmitters 2 form an equilateral triangle. Each inner float level transmitter 2 is equidistant from the edge of the floating platform 1, and the bottom of the float, the bottom edge of the floating platform 1, and the oil surface are on the same horizontal plane. These transmitters work in conjunction with the radar level transmitter 4. By obtaining the oil immersion depth of the floating platform 1 measured by each inner float level transmitter 2, and then calculating the oil immersion depth obtained from multiple sets of inner float level transmitters 2, the tilt angle of the floating platform 1 can be obtained with high accuracy, meeting the current requirements for monitoring the operation of the floating platform 1. The positions of the three internal float level transmitters 2 in each group are denoted as A, B, and C, respectively. The following calculation method is used to process the data information collected by the device of this utility model.

[0029] ha is the oil immersion depth at point A, hb is the oil immersion depth at point B, and hc is the oil immersion depth at point C.

[0030] Then the tilt angle of the floating platform

[0031] Where ha = h0 - H1 - H2a;

[0032] hb = h0 - H1 - H2b;

[0033] hc = h0 - H1 - H2c, where H1 is the total liquid level of the tank, h0 is the height of the floating roof, H2a is the distance from the floating roof to point A, H2b is the distance from the floating roof to point B, H2c is the distance from the floating roof to point C, and L is the side length of the equilateral triangle.

[0034] The floating roof 1 is provided with a vertically arranged mounting pipe 5, and a first flange 6 is provided on the mounting pipe 5. The inner float level transmitter 2 is inserted into the interior of the mounting pipe 5. The inner float level transmitter 2 is provided with a second flange 7 that mates with the first flange 6. The first flange 6 and the second flange 7 are fixed together by bolts. A rubber sealing ring is provided between the first flange 6 and the second flange 7. This facilitates the installation of the inner float level transmitter 2 and has the characteristic of good sealing effect.

[0035] The inner float level transmitter 2 is provided in 1-3 groups, wherein the inner float level transmitters 2 in the multiple groups are distributed on a circular line with the same center, and the distance to the center of the circle is consistent. The included angle between the center of the circle and the distance of each group of inner float level transmitters 2 is 20-30°.

[0036] To ensure measurement accuracy, this invention employs multiple sets of internal float level transmitters. Each set of internal float level transmitters forms a triangle with the same side length, and the tilt angle of each set of internal float level transmitters is calculated and averaged. This results in a more accurate tilt angle for the floating platform.

[0037] The radar wave reflector 3 is installed on the floating roof 9 via a disassembly mechanism. The disassembly mechanism includes a positioning block 10 welded to the floating roof 9. The positioning block 10 has a lateral insertion slot 11, one end of which has a lateral insertion port 12, and the other end of which is a closed end. The radar wave reflector 3 is fixed with a plug 14 that is laterally inserted into the slot 11. The positioning block 10 has a positioning bolt for fixing the plug 14. This eliminates the need to fix it to the floating roof with bolts, reducing drilling damage to the floating roof. It is also easy to insert and can move along the slot, facilitating position adjustment during installation.

[0038] Working principle: There is no less than one set of inner float level transmitters 2 on the floating roof 1. Each set of inner float level transmitters 2 has three transmitters. The line connecting the three inner float level transmitters 2 forms an equilateral triangle. Each inner float level transmitter 2 is at the same distance from the edge of the floating roof 1, and the bottom of the float, the bottom edge of the floating roof 1, and the oil surface are on the same horizontal plane. It is used in conjunction with a radar level transmitter 4. In this way, by obtaining the oil immersion depth of the floating roof 1 measured by each inner float level transmitter 2, and then calculating the oil immersion depth measured by multiple sets of inner float level transmitters 2, the tilt angle of the floating roof 1 can be obtained with high accuracy, which can meet the existing needs of floating roof 1 operation monitoring.

[0039] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A floating roof tilting angle device for measuring the oil immersion depth and liquid level, characterized in that: It includes at least one set of inner float level transmitters (2) installed on the floating plate (1). Each set of inner float level transmitters (2) has three units. The line connecting the three inner float level transmitters (2) forms an equilateral triangle. Each inner float level transmitter (2) is at the same distance from the edge of the floating plate (1), and the bottom of the float, the bottom edge of the floating plate, and the oil surface are on the same horizontal plane. The floating roof (1) is provided with a radar wave reflector (3) on the side of each inner float level transmitter (2). The floating roof (9) has a radar level transmitter (4) corresponding to each radar wave reflector (3). The radar level transmitter (4) transmits radar waves to the radar wave reflector (3) to which it is located, and the radar wave reflector (3) reflects the radar waves and receives the transmitted radar waves through the radar level transmitter (4). It also includes a data processing module, with each of the inner float level transmitters (2) and each radar level transmitter (4) connected to the data processing module.

2. The floating roof oil immersion depth liquid level measurement floating plate tilt angle device according to claim 1, characterized in that, The floating plate (1) is provided with a vertically arranged mounting pipe (15), and the mounting pipe (15) is provided with a first flange (6). The inner float level transmitter (2) is inserted into the interior of the mounting pipe (15). The inner float level transmitter (2) is provided with a second flange (7) that is connected to the first flange (6). The first flange (6) and the second flange (7) are fixed together by bolts. A rubber sealing ring (8) is provided between the first flange (6) and the second flange (7).

3. The floating roof oil immersion depth liquid level measurement floating plate tilt angle device according to claim 1, characterized in that, The internal float level transmitter (2) is provided with 1-3 sets.

4. The floating roof oil immersion depth liquid level measurement floating plate tilt angle device according to claim 2, characterized in that, The internal float level transmitters (2) in the multiple sets of internal float level transmitters (2) are distributed on a circular line with the same center and are at the same distance from the center.

5. The floating roof oil immersion depth liquid level measurement floating plate tilt angle device according to claim 1, characterized in that, The radar wave reflector (3) is installed on the floating roof (9) via a disassembly mechanism. The disassembly mechanism includes a positioning block (10) welded to the floating roof (9). The positioning block (10) is provided with a slot (11) for lateral insertion. One end of the slot (11) is provided with a lateral insertion port (12). The other end of the slot (11) is a closed end. The radar wave reflector (3) is fixed with a plug (14) that is laterally inserted into the slot (11). The positioning block (10) is provided with a positioning bolt (16) for fixing the plug (14).

Images