CN215101960U - Oil discharge device suitable for airtight transformation of oil field buried oil discharge tank - Google Patents
Oil discharge device suitable for airtight transformation of oil field buried oil discharge tank Download PDFInfo
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- CN215101960U CN215101960U CN202121573132.5U CN202121573132U CN215101960U CN 215101960 U CN215101960 U CN 215101960U CN 202121573132 U CN202121573132 U CN 202121573132U CN 215101960 U CN215101960 U CN 215101960U
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Abstract
The utility model provides an oil discharge device suitable for the airtight transformation of oil field buried oil discharge tank, relates to the oil field buried oil discharge tank airtight transformation technical field, unload the oil tank including the tank wagon with burying the ground, the tank wagon with bury the ground and be provided with the oil discharge hose between the oil discharge tank, the front end of oil discharge hose passes through bleeder valve and tank wagon end connection, the end-to-end connection of oil discharge hose has airtight oil discharge device, airtight oil discharge device with bury ground the oil discharge tank and be connected, the utility model discloses in, can be on the basis of current oil discharge technology through this oil discharge device, facility has been built to make full use of, realize by open oil discharge to airtight oil discharge, by the improvement of splash formula oil discharge to submergence formula oil discharge, reduce the oil gas loss that volatilizees among the oil discharge process, improve the safety ring guarantor level of oil discharge technology.
Description
Technical Field
The utility model relates to an oil field buries ground and unloads airtight transformation technical field of oil tank, concretely relates to oil discharge device suitable for oil field buries ground and unloads airtight transformation of oil tank.
Background
In the production process of an oil field, the main flow of single-well oil-pulling production is that crude oil produced at a wellhead is temporarily stored by an oil tank in a well site, and then the crude oil is pulled and transported to a crude oil centralized processing station by an oil-pulling tank truck. As the time for building a part of crude oil centralized processing stations is earlier, most of the centralized processing stations adopt an open type buried oil unloading tank to receive crude oil transported by a truck, the buried oil unloading tank is provided with an oil unloading port and an air vent, an unloading platform is arranged in front of the oil unloading tank, the oil tank truck is pulled to the position of the unloading platform in front of the tank, and a self-carrying oil unloading hose behind the oil tank truck is arranged at the position of the oil unloading port of the oil unloading tank to automatically unload the oil (as shown in figure 1).
The oil unloading process mainly has the following problems:
firstly, the oil unloading process is an open flow, VOCs generated in the oil unloading process are discharged to the atmosphere in an unorganized mode through a buried tank vent hole and a gap between a buried tank oil unloading port and a tank car oil unloading hose, pollution is generated, and volatilization of light components in crude oil is accelerated;
the oil unloading process is splash type oil unloading, crude oil is unloaded to the buried tank through an oil tank truck with an oil unloading hose, the length of the oil unloading hose is insufficient, the crude oil cannot be unloaded below the crude oil liquid level of the buried tank in the unloading process to form splash type unloading, the liquid level static potential is easily increased in the mode, meanwhile, the volatilization loss of crude oil and gas is aggravated by the splash type unloading, and the probability of explosion accidents caused by static electricity is increased while the aggravation of environmental pollution is caused.
In recent years, with the continuous promotion of the national high-quality development pace, the requirements of green, safe and high-quality development of oil fields are increasingly enhanced, and how to simply and effectively promote the oil discharge facility of the existing crude oil centralized processing station is important for realizing the safe and environment-friendly upgrading of the oil discharge process.
SUMMERY OF THE UTILITY MODEL
The not enough of prior art more than, the utility model aims at providing an oil discharge device suitable for the airtight transformation of oil field buried oil discharge tank, the VOCs that can solve the oil discharge in-process and produce causes the pollution to the environment, has accelerated in the crude oil volatilizing of light component and because of the technical problem of static production explosion accident in the pollution.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides an oil discharge device suitable for airtight transformation of oil field buried oil discharge tank, includes the tank wagon and buries the ground oil discharge tank, the tank wagon with bury and be provided with the oil discharge hose between the oil discharge tank, the front end of oil discharge hose passes through bleeder valve and tank wagon end connection, the end-to-end connection of oil discharge hose has airtight oil discharge device, airtight oil discharge device with bury ground the oil discharge tank and be connected.
Preferably, the two sides of the top of the buried oil unloading tank are respectively provided with a vent hole and an oil unloading port, and the vent hole is provided with a mechanical breather valve with a fire prevention function.
Preferably, the mechanical breather valve is of a type HXF-IZ.
Preferably, airtight oil discharge device includes adjustable submerged oil discharge pipe, adjustable submerged oil discharge pipe's one end extends to buries underground oil discharge tank in, and the other end is connected with the gate valve, it is equipped with the seal receptacle still to overlap on the adjustable submerged oil discharge pipe, the size of seal receptacle and the size phase-match of oil discharge opening, the gate valve is kept away from adjustable submerged oil discharge pipe's one end and is connected with the oil discharge return bend, the oil discharge return bend passes through quick-operation joint and oil discharge hose connection.
Preferably, the quick coupling includes a male coupling connected to the oil discharge hose and a female coupling connected to the oil discharge elbow.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an oil discharge device suitable for airtight transformation of oil field buried oil discharge tank, can make full use of the facility of having built through the device on the basis of current oil discharge technology, realize by open oil discharge to airtight oil discharge, by splash oil discharge to immersion oil discharge's improvement, reduce oil gas volatilization loss in the oil discharge process, improve the safe environmental protection level of oil discharge technology.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
FIG. 1 is a schematic view of oil discharge of an open type buried oil discharge tank;
fig. 2 is a schematic overall structure diagram of the oil discharge device suitable for the airtight transformation of the buried oil discharge tank in the oil field;
fig. 3 is the utility model provides a be applicable to the oil field and bury airtight oil discharge device's that reforms transform of oil discharge tank airtight unloading device schematic structure.
Description of reference numerals:
1-buried oil unloading tank, 2-vent hole, 3-oil unloading port, 4-oil unloading hose, 5-oil unloading valve, 6-oil tank truck, 7-closed oil unloading device, 701-adjustable submerged oil unloading pipe, 702-seal seat, 703-gate valve, 704-oil unloading elbow, 705-quick joint and 8-mechanical breather valve.
Detailed Description
The invention will be described in detail below with reference to the drawings attached hereto by way of example, and it will be apparent that the described embodiments are only some, but not all, embodiments of the invention.
As shown in fig. 2-3, an oil discharge device suitable for the airtight transformation of a buried oil discharge tank in an oil field comprises an oil tank truck 6 and the buried oil discharge tank 1, wherein an oil discharge hose 4 is arranged between the oil tank truck 6 and the buried oil discharge tank 1, the front end of the oil discharge hose 4 is connected with the tail part of the oil tank truck 6 through an oil drain valve 5, the tail end of the oil discharge hose 4 is connected with an airtight oil discharge device 7, and the airtight oil discharge device 7 is connected with the buried oil discharge tank 1.
The buried oil unloading tank is characterized in that a vent hole 2 and an oil unloading port 3 are respectively arranged on two sides of the top of the buried oil unloading tank 1, a mechanical breather valve 8 with a fire prevention function is mounted on the vent hole 2, and the model of the mechanical breather valve 8 is HXF-IZ.
Further, in the technical scheme, the micro-positive pressure of the buried oil unloading tank 1 is controlled through the mechanical breather valve 8 during oil unloading, and closed oil unloading is realized in the oil unloading process; and after the oil discharge is finished, the gate valve 703 is closed to ensure the sealing in the temporary storage process, so that the unorganized discharge of VOCs is reduced.
The closed oil unloading device 7 comprises an adjustable submerged oil unloading pipe 701, one end of the adjustable submerged oil unloading pipe 701 extends into the buried oil unloading tank 1, the other end of the adjustable submerged oil unloading pipe 701 is connected with a gate valve 703, a sealing seat 702 is further sleeved on the adjustable submerged oil unloading pipe 701, the size of the sealing seat 702 is matched with the size of an oil unloading port 3, one end, away from the adjustable submerged oil unloading pipe 701, of the gate valve 703 is connected with an oil unloading bent pipe 704, and the oil unloading bent pipe 704 is connected with an oil unloading hose 4 through a quick joint 705.
Further, in the above technical scheme, the length of the adjustable submerged oil discharge pipe 701 is adjusted according to the depth of the built buried oil discharge tank 1, so that the lower end of the pipe orifice of the adjustable submerged oil discharge pipe 701 is located within 20cm above the tank bottom, and is connected with the oil discharge port 3 of the built buried oil discharge tank 1 through the sealing seat 702 to realize sealing.
The quick coupling 705 comprises a male coupling connected to the oil discharge hose 4 and a female coupling connected to the oil discharge elbow 704.
Further, in the above technical solution, the male joint matched with the tail end of the oil discharge hose 4 is connected with the female joint at the head of the oil discharge elbow 704, and the gate valve 703 and the oil discharge valve 5 of the closed oil discharge device are opened to complete oil discharge.
The working principle is as follows: firstly, the length of an adjustable submerged oil discharge pipe 701 is adjusted according to the depth of a built buried oil discharge tank 1, so that the lower end of the pipe orifice of the adjustable submerged oil discharge pipe 701 is positioned within the range of 20cm above the bottom of a tank, then a sealing seat 702 is connected with an oil discharge port 3 of the built buried oil discharge tank 1, and meanwhile, a mechanical breather valve 8 with a fire prevention function is installed on an air vent 2 of the built buried oil discharge tank 1. When oil is discharged, the oil tank truck 6 is stopped to the unloading platform, then is connected with the female joint through the male joint, the oil drain valve 5 and the gate valve 703 are opened, the submerged closed oil discharge is completed, after the oil discharge is completed, the oil drain valve 5 and the gate valve 703 are closed, the quick joint 705 is disconnected, and the oil discharge is completed.
The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the application concept of the present invention within the technical scope disclosed in the present invention.
Claims (5)
1. The utility model provides an oil discharge device suitable for airtight transformation of oil field buried oil discharge tank, includes tank wagon (6) and buries ground oil discharge tank (1), tank wagon (6) and bury ground and be provided with oil discharge hose (4) between oil discharge tank (1), oil discharge hose (4)'s front end passes through bleeder valve (5) and tank wagon (6) end connection, its characterized in that: the tail end of the oil discharge hose (4) is connected with a sealed oil discharge device (7), and the sealed oil discharge device (7) is connected with the buried oil discharge tank (1).
2. The oil discharge device suitable for the airtight transformation of the buried oil discharge tank in the oil field according to claim 1, characterized in that: the top both sides of burying underground and unloading oil tank (1) are provided with air vent (2) and unload oil mouth (3) respectively, install mechanical breather valve (8) that take the fire prevention function on air vent (2).
3. The oil discharge device suitable for the airtight transformation of the buried oil discharge tank in the oil field according to claim 2, characterized in that: the model of the mechanical breather valve (8) is HXF-IZ type.
4. The oil discharge device suitable for the airtight transformation of the buried oil discharge tank in the oil field according to claim 1, characterized in that: airtight oil discharge device (7) unload oil pipe (701) under including adjustable liquid, the one end of adjustable liquid unload oil pipe (701) extends to and buries underground and unload in oil tank (1), and the other end is connected with gate valve (703), it is equipped with seal receptacle (702) still to overlap on adjustable liquid unload oil pipe (701), the size of seal receptacle (702) and the size phase-match of unloading hydraulic fluid port (3), the one end that adjustable liquid is kept away from under gate valve (703) and unload oil pipe (701) is connected with oil unloading return bend (704), oil unloading return bend (704) are connected with oil unloading hose (4) through quick-operation joint (705).
5. The oil discharge device suitable for the airtight transformation of the buried oil discharge tank in the oil field according to claim 4, characterized in that: the quick joint (705) comprises a male joint and a female joint, the male joint is connected with the oil discharge hose (4), and the female joint is connected with the oil discharge elbow (704).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121573132.5U CN215101960U (en) | 2021-07-12 | 2021-07-12 | Oil discharge device suitable for airtight transformation of oil field buried oil discharge tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121573132.5U CN215101960U (en) | 2021-07-12 | 2021-07-12 | Oil discharge device suitable for airtight transformation of oil field buried oil discharge tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215101960U true CN215101960U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121573132.5U Active CN215101960U (en) | 2021-07-12 | 2021-07-12 | Oil discharge device suitable for airtight transformation of oil field buried oil discharge tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215101960U (en) |
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2021
- 2021-07-12 CN CN202121573132.5U patent/CN215101960U/en active Active
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