CN216572142U - Gas-liquid separation device of oil storage tank - Google Patents
Gas-liquid separation device of oil storage tank Download PDFInfo
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- CN216572142U CN216572142U CN202123335480.1U CN202123335480U CN216572142U CN 216572142 U CN216572142 U CN 216572142U CN 202123335480 U CN202123335480 U CN 202123335480U CN 216572142 U CN216572142 U CN 216572142U
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Abstract
The utility model discloses a gas-liquid separation device of an oil storage tank, wherein a floating component is provided with a first through hole; the exhaust valve seat penetrates through the first through hole in the floating component and is in sealing fit with the first through hole, the exhaust valve seat consists of a first valve sleeve and a second valve sleeve, and the first valve sleeve is positioned above the second valve sleeve; the valve core is matched with the first valve sleeve, and when the air pressure difference between the two ends of the valve core is greater than the gravity of the valve core, the valve core is separated from the first valve sleeve under the action of pressure pushing, and an exhaust channel is formed between the valve core and the first valve sleeve; the primary gas-liquid separation assembly is positioned in the second valve sleeve, and one end of the primary gas-liquid separation assembly is fixed with the second valve sleeve; the secondary gas-liquid separation assembly is positioned in the exhaust valve seat, one end of the secondary gas-liquid separation assembly is fixed with the second valve sleeve or the first valve sleeve, and the secondary gas-liquid separation assembly and the primary gas-liquid separation assembly are arranged oppositely and in a staggered mode. The utility model discloses can be convenient for remove the gas of floating plate below to can prevent that fluid from removing along with gas together.
Description
Technical Field
The utility model relates to an oil storage tank exhaust technical field, concretely relates to gas-liquid separation of oil storage tank device.
Background
During the storage and transportation of petroleum, due to the limitations of process technology and related equipment, some of the light components in crude oil and light oil (such as gasoline) are easily dissipated into the air, resulting in severe evaporation loss. In recent years, due to the application of floating roof tanks and inner floating roof tanks, the updating of floating plate equipment and the adoption of other consumption reduction measures, the oil product loss is controlled.
In order to prevent oil and gas in the oil storage tank from volatilizing, a floating plate system is usually arranged in the oil storage tank, the floating plate system comprises a floating plate and supporting legs connected with the floating plate, the floating plate floats on oil in the operation process, one part of the floating plate is immersed in the oil, the liquid level is reduced along with the release of the oil storage amount, and the height of the floating plate is also reduced along with the reduction of the oil level.
Since the bottom of the storage tank is also equipped with important components, the weight of the combined floating plate is heavy according to the relevant standards, and therefore, if the lower end of the leg during operation touches the bottom of the storage tank, the components on the bottom of the storage tank are easily damaged, and thus the situation is not allowed. In the operation process of the existing floating disc system, the reserved height between the lower surface of the floating disc and the bottom of the oil storage tank cannot be lower than 1.9 meters in the installation or operation process, otherwise, bottom-touching accidents can be caused.
When the floating plate system is installed in the oil storage tank, oil is filled into the oil storage tank from the lower part of the oil storage tank, according to the above, the reserved height between the lower surface of the floating plate and the bottom of the oil storage tank is 1.9 meters, and air is stored in the space, so that the height between the floating plate and the liquid surface is gradually reduced along with the increase of the oil filling amount, if the air cannot be discharged, the air is compressed, and finally, the compressed energy is released when the air cannot be compressed, and the adverse effect that the floating plate is opened by the compressed air is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a gas-liquid separation of oil storage tank device, the utility model discloses can be convenient for remove the gas below the floating plate to can prevent that fluid from removing along with gas.
The technical scheme for realizing the purpose is as follows:
the gas-liquid separation device of oil storage tank includes:
a floating member provided with a first through hole;
the exhaust valve seat penetrates through the first through hole in the floating component and is in sealing fit with the first through hole, the exhaust valve seat consists of a first valve sleeve and a second valve sleeve, and the first valve sleeve is positioned above the second valve sleeve;
the valve core is matched with the first valve sleeve, and when the air pressure difference at two ends of the valve core is greater than the gravity of the valve core, the valve core is separated from the first valve sleeve under the action of pressure pushing, and an exhaust channel is formed between the valve core and the first valve sleeve;
the primary gas-liquid separation assembly is positioned in the second valve sleeve, and one end of the primary gas-liquid separation assembly is fixed with the second valve sleeve;
and the secondary gas-liquid separation assembly is positioned in the exhaust valve seat, one end of the secondary gas-liquid separation assembly is fixed with the second valve sleeve or the first valve sleeve, and the secondary gas-liquid separation assembly and the primary gas-liquid separation assembly are opposite and arranged in a staggered manner.
Further, the valve core comprises a valve core body and a weight rod fixed with the valve core body, the inner hole of the first valve sleeve is a taper hole, the outer peripheral surface of the valve core body is a conical surface, and the first valve sleeve and the valve core body form sealing through the matching of the conical surface.
Furthermore, a guide pipe is arranged in the exhaust valve seat, and the counterweight rod passes through the guide pipe and then extends to the outside of the exhaust valve seat.
The valve core further comprises a sealing end cover, the sealing end cover is fixed with the valve core body, the length and the width of the sealing end cover are both larger than those of the end part of the first valve sleeve, and after the valve core body completely enters the first valve sleeve, the sealing end cover and the opening part of the first valve sleeve form sealing fit.
Further, at least a portion of the second valve housing is exposed to the outside of the floating member, and the second valve housing has a cylindrical shape.
Further, the primary gas-liquid separation assembly and the secondary gas-liquid separation assembly are both baffles.
In the utility model, whether to exhaust or not is determined by the pressure difference at the two ends of the valve core, for example, after the floating disc system is installed in a new oil storage tank, oil is not contained in the oil storage tank at the moment, a lot of air is gathered between the floating disc system and the bottom of the oil storage tank, and along with the filling of the oil, the oil extrudes the air, at the moment, because the pressure at the lower end of the valve core is greater than the pressure at the upper end of the valve core, the two ends form the pressure difference, so that the valve core moves along the axial direction of the first valve sleeve under the action of the pressure difference, and an exhaust passage is formed between the valve core and the first valve sleeve; the gas is discharged through the exhaust passage.
In the exhaust process, if the air pressure difference is too large, gas and liquid in a mixed state may surge towards the exhaust passage under the action of compressed gas, so that oil is discharged along with the gas, in the embodiment, a primary gas-liquid separation component and a secondary gas-liquid separation component are arranged in the exhaust valve seat, the primary gas-liquid separation component blocks the gas and liquid in the mixed state to prevent the liquid from surging towards the exhaust passage, the secondary gas-liquid separation component blocks residual mixed gas and liquid again to realize effective gas-liquid separation, only the gas passes through the exhaust passage, and therefore the situation that the oil is discharged along with the gas is avoided, and the loss of the oil is avoided.
Drawings
FIG. 1 is a schematic view of a gas-liquid separating apparatus of an oil storage tank when it is opened to discharge gas;
FIG. 2 is a schematic view of the oil storage tank with the gas-liquid separation device closed;
FIG. 3 is a schematic view of a valve cartridge;
reference numbers in the drawings:
the gas-liquid separation device comprises a floating component 1, an exhaust valve seat 2, a first valve sleeve 2a, a second valve sleeve 2b, a guide pipe 2c, a valve core 3, a valve core body 3a, a counterweight rod 3b, a sealing end cover 3c, a primary gas-liquid separation component 4 and a secondary gas-liquid separation component 5.
Detailed Description
The present invention will be further described with reference to fig. 1 to 3.
As shown in fig. 1 to 3, the gas-liquid separation device of an oil storage tank of the present invention includes: the float member 1, the exhaust valve seat 2, the valve body 3, the primary gas-liquid separation module 4, and the secondary gas-liquid separation module 5 will be described in detail below for each part and the structure between the parts:
if the floating member 1 is matched with the liquid surface of the oil, the floating member 1 can float on the liquid surface under the action of the buoyancy of the oil, and of course, the floating member 1 and the liquid surface of the oil can be separated, for example, the floating member 1 is supported by a floating plate. The floating component 1 is provided with a first through hole, and in the embodiment, the floating component 1 is composed of a box body and a honeycomb core sealed in the box body, and the box body and the honeycomb core are generally made of metal materials. In this embodiment, the first through hole is preferably a tapered hole.
The exhaust valve seat 2 penetrates through a first through hole on the floating component 1 and is in sealing fit with the first through hole, the exhaust valve seat 2 is composed of a first valve sleeve 2a and a second valve sleeve 2b, and the first valve sleeve 2a is positioned above the second valve sleeve 2 b. In this embodiment, the outer peripheral surface of the first valve sleeve 2a is a conical surface, and the outer peripheral surface of the first valve sleeve 2a is matched with the first through hole through the conical surface, which is helpful for improving the sealing reliability.
A portion of the first valve housing 2a is exposed to the outside of the floating member 1 and a portion of the second valve housing 2b is exposed to the outside of the floating member 1, so that both ends of the exhaust valve seat 2 are extended, a flow path of gas and liquid can be extended during exhaust, energy of liquid is consumed, and oil is prevented from being discharged with gas during exhaust.
The valve core 3 and the first valve sleeve 2a are matched, when the pressure difference between two ends of the valve core 3 is smaller than the gravity of the valve core 3, the valve core 3 moves downwards along the first valve sleeve 2a under the action of the gravity of the valve core 3, and therefore the valve core 3 and the first valve sleeve 2a are in sealing fit. When the air pressure difference between the two ends of the valve core 3 is larger than the gravity of the valve core, the valve core is separated from the first valve sleeve 2a under the pressure pushing action, and an exhaust channel A is formed between the valve core 3 and the first valve sleeve 2 a.
In the utility model, whether to exhaust or not is determined by the pressure difference at the two ends of the valve core 3, for example, after the floating disc system is installed in a new oil storage tank, at the moment, no oil is in the oil storage tank, a lot of air is gathered between the floating disc system and the bottom of the oil storage tank, along with the filling of the oil, the oil extrudes the air, at the moment, because the pressure at the lower end of the valve core 3 is greater than the pressure at the upper end of the valve core 3, the two ends form the pressure difference, thereby the valve core 3 moves along the axial direction of the first valve sleeve 2a under the action of the pressure difference, and an exhaust passage A is formed between the valve core 3 and the first valve sleeve 2 a; the gas is discharged through the exhaust passage a.
After the oiling is finished, when the oil storage tank is in a locking state, no matter in the transportation or use process, as oil gas can be volatilized from the oil storage tank, new gas can be generated in the oil storage tank, and when the gas pressure difference at two ends of the valve core 3 is greater than the gravity of the valve core 3, the exhaust process can be repeated.
Therefore, no matter in the oiling of oil storage tank or operation or use, the utility model discloses a pressure difference makes case 3 automatic opening or self-closing, as long as satisfy the pressure of 3 lower extremes of case and the pressure of 3 upper ends of case and be greater than the gravity of case 3 self, can form exhaust passage, and then the gas of floating plate system below is discharged away.
The valve core 3 comprises a valve core body 3a and a weight rod 3b fixed with the valve core body 3a, an inner hole of the first valve sleeve 2a is a taper hole, the outer peripheral surface of the valve core body 3a is a conical surface, the first valve sleeve 2a and the valve core body 3a are sealed through the matching of the conical surfaces, the gravity of the valve core 3 is controlled through the weight rod 3b, the volume of volatile oil gas is calculated according to the diameter of the tank body, and the size of the weight rod is selected, so that the exhaust forming control is facilitated.
The second valve sleeve 2b is cylindrical, and since the inner hole of the first valve sleeve 2a is a tapered hole, the maximum downward movement position of the valve core body 3a is that the lower end of the valve core body 3a and the lower end of the first valve sleeve 2a are on the same plane.
A guide pipe 2c is arranged in the exhaust valve seat 2, and the counterweight rod 3b penetrates through the guide pipe 2c and then extends to the outside of the exhaust valve seat 2. Through the guide effect of stand pipe 2c for the holistic removal of case 3 is steady reliable, and it is the skew to avoid appearing its rebound when case body 3a atress is uneven, can not form the condition of sealed cooperation with exhaust valve seat 2 again in the in-process that falls. In this embodiment, the guide pipe 2c is located in the second valve housing 2b, and the height of the guide pipe 2c is less than or equal to the height of the second valve housing 2b, so as to avoid interference between the guide pipe 2c and the movement of the spool body 3 a.
The valve core 3 further comprises a sealing end cover 3c, the sealing end cover 3c is fixed with the valve core body 3a, the length and the width of the sealing end cover 3c are both larger than those of the end part of the first valve sleeve 2a, and after the valve core body 3a completely enters the first valve sleeve 2a, the sealing end cover 3c and the mouth part of the first valve sleeve 2a form sealing fit. The end cap 3c can further form a seal with the first valve sleeve 2a, ensuring that the venting channel a is closed when venting is not required. The end cap 3c is formed of a gasket and a covering member that covers a part of the gasket, and the covering member is used to increase the overall strength of the end cap 3 c.
The primary gas-liquid separation assembly 4 is located in the second valve sleeve 2b, one end of the primary gas-liquid separation assembly is fixed to the second valve sleeve 2b, the secondary gas-liquid separation assembly 5 is located in the exhaust valve seat 2, one end of the secondary gas-liquid separation assembly is fixed to the second valve sleeve 2b or the first valve sleeve 2a, the primary gas-liquid separation assembly 4 and the secondary gas-liquid separation assembly 5 are both baffles, and the secondary gas-liquid separation assembly 5 and the primary gas-liquid separation assembly 4 are arranged oppositely and in a staggered mode. The offset mode can be a staggered mode or a non-staggered mode.
In the exhaust process, if the pressure difference is too large, under the action of compressed gas, gas and liquid in a mixed state may surge towards the exhaust passage a, so that oil is discharged along with the gas, in the embodiment, the primary gas-liquid separation assembly 4 and the secondary gas-liquid separation assembly 5 are arranged in the exhaust valve seat 2, the primary gas-liquid separation assembly 4 blocks the gas and liquid in the mixed state to prevent the liquid from surging towards the exhaust passage a, the secondary gas-liquid separation assembly 5 blocks residual mixed gas and liquid again to realize effective gas-liquid separation, and only the gas passes through the exhaust passage a, so that the condition that the oil is discharged along with the gas is avoided, and the loss of the oil is avoided.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solution of the present invention, not to limit the same, and not to limit the scope of the present invention; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; in addition, will the technical scheme of the utility model direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses an in the patent protection scope.
Claims (6)
1. The gas-liquid separation equipment of oil storage tank, its characterized in that includes:
a floating component (1), wherein a first through hole is arranged on the floating component (1);
the exhaust valve seat (2) penetrates through a first through hole in the floating component (1) and is in sealing fit with the first through hole, the exhaust valve seat (2) is composed of a first valve sleeve (2a) and a second valve sleeve (2b), and the first valve sleeve (2a) is positioned above the second valve sleeve (2 b);
the valve core (3) is matched with the first valve sleeve (2a), and when the air pressure difference at two ends of the valve core (3) is greater than the gravity of the valve core, the valve core is separated from the first valve sleeve (2a) under the action of pressure pushing, and an exhaust channel is formed between the valve core (3) and the first valve sleeve (2 a);
the primary gas-liquid separation assembly (4) is positioned in the second valve sleeve (2b), and one end of the primary gas-liquid separation assembly (4) is fixed with the second valve sleeve (2 b);
and the secondary gas-liquid separation assembly (5) is positioned in the exhaust valve seat (2), one end of the secondary gas-liquid separation assembly (5) is fixed with the second valve sleeve (2b) or the first valve sleeve (2a), and the secondary gas-liquid separation assembly (5) is opposite to the primary gas-liquid separation assembly (4) and is arranged in a staggered manner.
2. The gas-liquid separation device of the oil storage tank as defined in claim 1, wherein the valve core (3) comprises a valve core body (3a) and a weight lever (3b) fixed to the valve core body (3a), the inner bore of the first valve sleeve (2a) is a tapered bore, the outer circumferential surface of the valve core body (3a) is a tapered surface, and the first valve sleeve (2a) and the valve core body (3a) form a seal by the cooperation of the tapered surfaces.
3. The gas-liquid separator of an oil storage tank as defined in claim 2, wherein a guide pipe (2c) is provided in the discharge valve seat (2), and the weight lever (3b) extends to the outside of the discharge valve seat (2) after passing through the guide pipe (2 c).
4. The gas-liquid separation device of the oil storage tank as claimed in claim 2, wherein the valve core (3) further comprises a sealing end cover (3c), the sealing end cover (3c) is fixed with the valve core body (3a), the length and the width of the sealing end cover (3c) are both larger than those of the end part of the first valve sleeve (2a), and after the valve core body (3a) completely enters the first valve sleeve (2a), the sealing end cover (3c) and the mouth part of the first valve sleeve (2a) form a sealing fit.
5. The gas-liquid separator as claimed in claim 1, wherein at least a portion of the second valve housing (2b) is exposed to the outside of the floating member (1), and the second valve housing (2b) has a cylindrical shape.
6. The gas-liquid separation device for an oil storage tank as defined in claim 1, wherein the primary gas-liquid separation element (4) and the secondary gas-liquid separation element (5) are each a baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123335480.1U CN216572142U (en) | 2021-12-28 | 2021-12-28 | Gas-liquid separation device of oil storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123335480.1U CN216572142U (en) | 2021-12-28 | 2021-12-28 | Gas-liquid separation device of oil storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216572142U true CN216572142U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123335480.1U Active CN216572142U (en) | 2021-12-28 | 2021-12-28 | Gas-liquid separation device of oil storage tank |
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|---|---|
| CN (1) | CN216572142U (en) |
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2021
- 2021-12-28 CN CN202123335480.1U patent/CN216572142U/en active Active
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