CN214877247U - Device for measuring influence of temperature and tank pressure on evaporation loss of crude oil in oil tank - Google Patents
Device for measuring influence of temperature and tank pressure on evaporation loss of crude oil in oil tank Download PDFInfo
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- CN214877247U CN214877247U CN202120763066.1U CN202120763066U CN214877247U CN 214877247 U CN214877247 U CN 214877247U CN 202120763066 U CN202120763066 U CN 202120763066U CN 214877247 U CN214877247 U CN 214877247U
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- electromagnetic heater
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Abstract
The utility model discloses a device for measuring the influence of temperature and tank pressure on the evaporation loss of crude oil in an oil tank, which comprises a control system, a tank body, a liquid outlet, an arc electromagnetic heater, a screen, a manhole, a liquid level meter, a gas flowmeter, a first ball valve, a gas outlet, an electromagnetic heater, an inlet, a second ball valve, a pressure gauge, an air pump, a methane storage tank, a crude oil storage tank, a screw pump, a liquid flowmeter, a third ball valve and a small magnetic block; the methane storage tank is sequentially connected with an air pump, a pressure gauge and a second ball valve in series, the crude oil storage tank is sequentially connected with a screw pump, a liquid flowmeter and a third ball valve in series, and the second ball valve is connected with an inlet after being connected with the third ball valve in parallel; the arc-shaped electromagnetic heater and the electromagnetic heater are connected with the control system, and the gas outlet is sequentially connected with the first ball valve and the gas flowmeter. The utility model discloses convenient operation, the measurement principle is rigorous, and the temperature and the jar pressure that measure influence the accuracy to oil tank crude oil evaporation loss.
Description
Technical Field
The utility model relates to a measuring device especially relates to a device of measurement temperature and jar pressure to oil tank crude oil evaporation loss influence.
Background
During the operation of the oil tank, the real vapor pressure, temperature, gas space volume, oil tank oil inlet and outlet sequence, oil tank operation condition, oil tank pressure bearing capacity and the like of the crude oil in the tank all influence the evaporation loss of the crude oil. Although the temperature has a great influence on the evaporation loss of crude oil in the oil tank, the low-temperature storage tank is used for storing crude oil, although the evaporation loss can be effectively reduced, the operation and maintenance cost of the low-temperature storage tank is high, so that the normal-temperature storage tank is generally used for storing crude oil. The tank pressure in the oil tank also has certain influence on the evaporation loss of oil products, if the pressure is higher, the phase balance in the oil tank can be changed, and great influence is generated on the evaporation loss at the same temperature. At present, the temperature and the tank pressure are not researched much relative to the evaporation loss of crude oil, and if the temperature and the pressure in the oil tank can be researched, the method has guiding significance for the field practical application in the future.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a device of measurement temperature and jar pressure to oil tank crude oil evaporation loss influence for measurement temperature and pressure influence the oil tank crude oil evaporation loss.
In order to achieve the above object, the utility model adopts the following technical scheme:
a device for measuring the influence of temperature and tank pressure on the evaporation loss of crude oil in an oil tank is composed of a control system, a tank body, a liquid discharge port, an arc-shaped electromagnetic heater, a screen, a manhole, a liquid level meter, a gas flowmeter, a first ball valve, a gas outlet, an electromagnetic heater, an inlet, a second ball valve, a pressure meter, an air pump, a methane storage tank, a crude oil storage tank, a screw pump, a liquid flowmeter, a third ball valve and a small magnetic block; the methane storage tank is sequentially connected with an air pump, a pressure gauge and a second ball valve in series, the crude oil storage tank is sequentially connected with a screw pump, a liquid flowmeter and a third ball valve in series, and the second ball valve is connected with an inlet after being connected with the third ball valve in parallel; the arc-shaped electromagnetic heater and the electromagnetic heater are connected with the control system, and the gas outlet is sequentially connected with the first ball valve and the gas flowmeter.
Furthermore, the lower part of the gas outlet is provided with a screen which is 5mm away from the gas outlet and is used for filtering crude oil carried in the methane gas.
Further, the screen belongs to the prior art, and is not described in detail herein.
Further, arc-shaped electromagnetic heaters are arranged on the left side and the right side of the tank body respectively, and electromagnetic heaters are arranged on the upper side and the lower side of the tank body respectively.
Further, the arc-shaped electromagnetic heater and the electromagnetic heater are used for heating the crude oil and the natural gas in the tank body.
Furthermore, the arc-shaped electromagnetic heaters are arranged in a bilateral symmetry mode, the electromagnetic heaters are arranged in an up-down symmetry mode, and crude oil and natural gas in the tank body are heated uniformly through symmetrical heating during heating.
Furthermore, the two ends of the arc-shaped electromagnetic heater and the two ends of the electromagnetic heater are respectively provided with the small magnetic blocks, so that the arc-shaped electromagnetic heater and the electromagnetic heater can be stably fixed on the tank body, and the tank body can be conveniently replaced.
Furthermore, the arc-shaped electromagnetic heater is arc-shaped and rectangular.
Further, the arc-shaped electromagnetic heater and the electromagnetic heater are heaters with the same power, when crude oil and natural gas in the tank body are heated, heating tests are carried out at the temperature of 40 ℃, 50 ℃, 60 ℃, 70 ℃ and 80 ℃ in sequence, and the purpose is to study the influence of temperature change on the evaporation loss of the crude oil.
Further, the tank pressure of the tank body is subjected to replacement pressurization tests according to 0.1MPa, 0.2MPa, 0.3MPa, 0.4MPa and 0.5MPa in sequence, and the purpose is to study the influence of the change of the tank pressure on the evaporation loss of crude oil.
Further, the influence of the temperature and the tank pressure on the evaporation loss of the crude oil in the oil tank is represented by a value on a gas flowmeter.
Further, the control system controls the temperature in the tank body by controlling the arc-shaped electromagnetic heater and the electromagnetic heater, and the control belongs to the prior art and is not described herein again.
Further, the arc-shaped electromagnetic heater and the electromagnetic heater belong to the prior art, and are not described herein again.
Furthermore, the inlet is designed in a J shape, a fixing rod (not shown in the figure) is arranged at the horizontal position of the J shape, and the inlet is fixed on the tank body through the fixing rod.
Furthermore, the size of the tank body used by the utility model is 1/200 of 20 ten thousand cubic oil tanks.
Compared with the prior art, the utility model has the advantages that: (1) arc-shaped electromagnetic heaters are respectively arranged on the left and the right of the tank body, and electromagnetic heaters are respectively arranged on the upper part and the lower part, so that the whole heating process is uniformly heated; (2) the small magnetic blocks are respectively arranged at the two ends of the arc-shaped electromagnetic heater and the two ends of the electromagnetic heater, so that the arc-shaped electromagnetic heater and the electromagnetic heater can be conveniently and stably fixed on the surface of the tank body; (3) the influence of the temperature and the tank pressure on the evaporation loss of crude oil in the oil tank can be clearly obtained by changing the temperature and the tank pressure in the gas flowmeter, and the influence condition is reflected by the numerical value on the gas flowmeter; (4) the utility model discloses convenient operation, the measurement principle is rigorous, and the temperature and the jar pressure that measure influence the accuracy to oil tank crude oil evaporation loss.
Drawings
FIG. 1 is a schematic structural diagram of a device for measuring the influence of temperature and tank pressure on the evaporation loss of crude oil in an oil tank;
FIG. 2 is a schematic diagram of the structure of the electromagnetic heater of FIG. 1;
fig. 3 is a schematic structural view of the arc-shaped electromagnetic heater of fig. 1.
In the figure: 1. the system comprises a control system, a tank body 2, a liquid discharge port 3, an arc-shaped electromagnetic heater 4, a screen 5, a manhole 6, a liquid level meter 7, a gas flowmeter 8, a first ball valve 9, a gas outlet 10, an electromagnetic heater 11, an inlet 12, a second ball valve 13, a pressure gauge 14, an air pump 15, a methane storage tank 16, a crude oil storage tank 17, a screw pump 18, a liquid flowmeter 19, a third ball valve 20 and a small magnetic block 21.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-3, the utility model relates to a device for measuring temperature and tank pressure influence on crude oil evaporation loss of an oil tank, the device is composed of a control system 1, a tank body 2, a liquid discharge port 3, an arc electromagnetic heater 4, a screen 5, a manhole 6, a liquid level meter 7, a gas flowmeter 8, a first ball valve 9, a gas outlet 10, an electromagnetic heater 11, an inlet 12, a second ball valve 13, a pressure gauge 14, an air pump 15, a methane storage tank 16, a crude oil storage tank 17, a screw pump 18, a liquid flowmeter 19, a third ball valve 20 and a small magnet 21; the methane storage tank 16 is sequentially connected with an air pump 15, a pressure gauge 14 and a second ball valve 13 in series, the crude oil storage tank 17 is sequentially connected with a screw pump 18, a liquid flowmeter 19 and a third ball valve 20 in series, and the second ball valve 13 is connected with the third ball valve 20 in parallel and then connected with the inlet 12; the arc-shaped electromagnetic heater 4 and the electromagnetic heater 11 are connected with the control system 1, and the gas outlet 10 is sequentially connected with the first ball valve 9 and the gas flowmeter 8.
As shown in fig. 2, which is a schematic structural diagram of the electromagnetic heater in fig. 1, the electromagnetic heater 11 is rectangular, and small magnetic blocks 21 with a thickness of 8mm are arranged at the left and right ends of the lower portion of the electromagnetic heater 11, and the small magnetic blocks 21 are used for fixing the electromagnetic heater 11 on the surface of the tank body, so that the electromagnetic heater 11 is beneficial to heating the tank body 2.
As shown in fig. 3, which is a schematic structural diagram of the arc-shaped electromagnetic heater in fig. 1, the upper end and the lower end of the left portion of the arc-shaped electromagnetic heater 4 are respectively provided with a small magnet 21 with a thickness of 8mm, and the small magnet 21 is used for fixing the arc-shaped electromagnetic heater 4 on the surface of the tank body, so that the arc-shaped electromagnetic heater 4 is beneficial to heating the tank body 2.
As shown in FIG. 1, for the utility model relates to a structural schematic diagram of a device for measuring temperature and tank pressure to the influence of oil tank crude oil evaporation loss, when measuring temperature to the influence of oil tank crude oil evaporation loss, at first fill into methane gas in the jar body 2 for whole empty jar body 2 is filled with methane gas. And then closing all the ball valves, opening the third ball valve 20, the screw pump 18 and the first ball valve 9 in sequence, and allowing the crude oil in the crude oil storage tank 17 to enter the tank body 2 through the inlet 12 after being pressurized by the screw pump 18 and metered by the liquid flowmeter 19. And (3) observing the height of the crude oil in the tank body 2 through the liquid level meter 7, closing the screw pump 18 and the third ball valve 20 when the height is three-fourths of the height of the tank body 2, and standing for 30 minutes. And then controlling the heating temperatures of the arc-shaped electromagnetic heater 4 and the electromagnetic heater 11 to be 40 ℃ through the control system 1 and keeping the heating temperatures for 10 minutes, recording the reading on the gas flowmeter 8, controlling the heating temperatures of the arc-shaped electromagnetic heater 4 and the electromagnetic heater 11 to be 50 ℃, 60 ℃, 70 ℃ and 80 ℃ in sequence through the control system 1 and respectively keeping the heating temperatures for 10 minutes, and recording the reading on the gas flowmeter 8 at the corresponding temperature, so that the measurement of the influence of the temperature on the evaporation loss of the crude oil in the oil tank is finished.
When the influence of the tank pressure on the evaporation loss of crude oil in the oil tank is measured, firstly, methane gas is filled into the tank body 2, so that the whole empty tank body 2 is filled with methane gas. And then closing all the ball valves, opening the third ball valve 20, the screw pump 18 and the first ball valve 9 in sequence, and enabling the crude oil in the crude oil storage tank 17 to enter the tank body 2 through the inlet 12 after being pressurized by the screw pump 18 and metered by the liquid flowmeter 19. The height of the crude oil in the tank body 2 is observed through the liquid level meter 7, the screw pump 18 and the third ball valve 20 are closed when the height is three-quarters of the height of the tank body 2, standing is carried out for 30 minutes, and the reading on the gas flow meter 8 at the moment is recorded. And then closing the first ball valve 9, sequentially opening the air pump 15 and the second ball valve 13 to enable methane gas in the methane storage tank 16 to enter the tank body 2 after being pressurized by the air pump 15, then controlling the discharge capacity of the air pump 15 to enable the pressure value displayed on the pressure gauge 14 to be 0.1MPa, standing for 10 minutes, opening the first ball valve 9, and recording the reading in the gas flowmeter 8. And after 5 minutes, closing the first ball valve 9, respectively controlling the discharge capacity of the air pump 15 to enable the pressure values displayed on the pressure gauge 14 to be 0.2MPa, 0.3MPa, 0.4MPa and 0.5MPa in sequence, repeating the steps, standing for 10 minutes respectively, opening the first ball valve 9, and recording the readings in the gas flowmeter 8 corresponding to the pressures, so that the measurement of the influence of the tank pressure on the evaporation loss of the crude oil in the oil tank is finished.
According to the measurement results, a relation curve between the temperature and the tank pressure and the reading displayed on the gas flowmeter 8 is drawn, and the results have important guiding significance for the field.
The utility model discloses convenient operation, the measurement principle is rigorous, and the temperature and the jar pressure that measure influence the accuracy to oil tank crude oil evaporation loss.
Claims (6)
1. A device for measuring the influence of temperature and tank pressure on the evaporation loss of crude oil in an oil tank is characterized in that: the device comprises a control system (1), a tank body (2), a liquid discharge port (3), an arc-shaped electromagnetic heater (4), a screen (5), a manhole (6), a liquid level meter (7), a gas flowmeter (8), a first ball valve (9), a gas outlet (10), an electromagnetic heater (11), an inlet (12), a second ball valve (13), a pressure gauge (14), an air pump (15), a methane storage tank (16), a crude oil storage tank (17), a screw pump (18), a liquid flowmeter (19), a third ball valve (20) and a small magnetic block (21);
the methane storage tank (16) is sequentially connected with an air pump (15), a pressure gauge (14) and a second ball valve (13) in series, the crude oil storage tank (17) is sequentially connected with a screw pump (18), a liquid flowmeter (19) and a third ball valve (20) in series, and the second ball valve (13) is connected with the inlet (12) after being connected with the third ball valve (20) in parallel; the arc-shaped electromagnetic heater (4) and the electromagnetic heater (11) are connected with the control system (1), and the gas outlet (10) is sequentially connected with the first ball valve (9) and the gas flowmeter (8).
2. The apparatus of claim 1, wherein the apparatus is configured to measure the effect of temperature and tank pressure on the evaporation loss of crude oil from the oil tank, and comprises: the lower part of the gas outlet (10) is provided with a screen (5) which is 0.5cm away from the gas outlet (10).
3. The apparatus of claim 1, wherein the apparatus is configured to measure the effect of temperature and tank pressure on the evaporation loss of crude oil from the oil tank, and comprises: the left side and the right side of the tank body (2) are respectively provided with an arc-shaped electromagnetic heater (4), and the upper side and the lower side are respectively provided with an electromagnetic heater (11).
4. The apparatus of claim 3, wherein the apparatus is used for measuring the effect of temperature and tank pressure on the evaporation loss of crude oil in the oil tank, and comprises: the arc-shaped electromagnetic heaters (4) are arranged in a bilateral symmetry mode, and the electromagnetic heaters (11) are arranged in an up-down symmetry mode.
5. The apparatus of claim 4, wherein the apparatus is used for measuring the effect of temperature and tank pressure on the evaporation loss of crude oil in the oil tank, and comprises: and small magnetic blocks (21) are respectively arranged at two ends of the arc-shaped electromagnetic heater (4) and the electromagnetic heater (11).
6. The apparatus of claim 5, wherein the apparatus is further configured to measure the effect of temperature and tank pressure on the evaporation loss of crude oil from the oil tank, and further configured to: the arc-shaped electromagnetic heater (4) is arc-shaped, and the electromagnetic heater (11) is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120763066.1U CN214877247U (en) | 2021-04-15 | 2021-04-15 | Device for measuring influence of temperature and tank pressure on evaporation loss of crude oil in oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120763066.1U CN214877247U (en) | 2021-04-15 | 2021-04-15 | Device for measuring influence of temperature and tank pressure on evaporation loss of crude oil in oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214877247U true CN214877247U (en) | 2021-11-26 |
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ID=78887188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120763066.1U Expired - Fee Related CN214877247U (en) | 2021-04-15 | 2021-04-15 | Device for measuring influence of temperature and tank pressure on evaporation loss of crude oil in oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214877247U (en) |
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2021
- 2021-04-15 CN CN202120763066.1U patent/CN214877247U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |