CN218509611U - Automatic oil supply system of diesel engine for petroleum drilling - Google Patents
Automatic oil supply system of diesel engine for petroleum drilling Download PDFInfo
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- CN218509611U CN218509611U CN202222633761.3U CN202222633761U CN218509611U CN 218509611 U CN218509611 U CN 218509611U CN 202222633761 U CN202222633761 U CN 202222633761U CN 218509611 U CN218509611 U CN 218509611U
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Abstract
The utility model discloses an automatic oil supply system of a diesel engine for petroleum drilling, which comprises a low-level oil groove, wherein an oil outlet of the low-level oil groove is provided with a box body, an inner cavity of the box body is provided with an oil supply pump and a control box, and the oil supply pump is provided with two oil supply pumps side by side; the front side of the box body is provided with a door cover, and the door cover is provided with an operation window which is convenient for operating the control box; inlets of the two oil supply pumps are respectively connected with an inlet main pipe through inlet branch pipes, and an inlet of the inlet main pipe is connected with an oil outlet of the low-level oil groove; the outlets of the two oil supply pumps are respectively provided with an outlet branch pipe, the two outlet branch pipes are respectively connected with an outlet main pipe through one-way valves, the outlet of the inlet main pipe is connected with a direct supply valve through a tee joint, and an outlet pipeline of the direct supply valve is connected with the outlet main pipe through the tee joint; the outlet main pipe extends out of the tank body and is connected with an oil supply pipeline of the diesel engine, and an electric contact pressure gauge, an oil supply flowmeter and an electric heater for heating the oil are installed on the outlet main pipe. The system does not need to go to the top of the tank for operation, and the risk of high-altitude operation can be avoided.
Description
Technical Field
The utility model relates to a diesel engine for oil drilling, concretely relates to automatic oil feeding system of diesel engine for oil drilling belongs to diesel engine fuel control technical field.
Background
The diesel engine is an engine which burns diesel oil to obtain energy, has the advantages of large torque, good economic performance and the like, and is widely used in the petroleum and petrochemical industry of China. In oil drilling engineering, a diesel engine requires a lot of work and the working conditions are severe.
The oil supply system of the wellsite diesel engine is different according to different purposes, but mainly comprises parts such as branch oil supply systems, an oil pump, an auxiliary device, a pressure adjusting device and the like. The overhead oil tank is an important component of an oil supply system of a diesel engine for well drilling, and fuel oil is conveyed to the diesel engine through a pressure difference generated by the overhead oil tank. The oil supply to the overhead tank is usually determined by manually starting the supply pump and then visually observing the direction of oscillation of the level indicator needle to determine when to stop the supply pump. The judgement of oil mass will be accomplished, need climb to the jar certainly sometimes, has the potential safety hazard on the one hand, and on the other hand makes one set of overhead jar and includes that ladder, guardrail, jar body, lightning rod, support column, electric oil pump, pipeline etc. need nearly seventy-thousand yuan of expense. When the well site needs to be replaced, a large crane is used, the hoisting cost is high, the workload of disassembly and reinstallation is large, and the risk of high-altitude operation exists.
With the continuous improvement of the consciousness of safety production, the defects and shortcomings of the overhead oil tank no longer meet the requirements of the current safety production, and a safe, convenient and labor-saving diesel engine oil supply device for petroleum drilling is very necessary to be designed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that exists among the prior art, provide an automatic oil feeding system of diesel engine for oil drilling, can satisfy the needs of different well drilling teams, have the universality, reduce the use of crane during moving, the installation can be accomplished to two people, and no longer relates to the later stage and moves the dismantlement problem, need not to climb to the tank deck operation again, avoids high altitude construction's risk.
In order to solve the technical problems, the utility model discloses an automatic oil supply system of diesel engine for oil drilling, including the low-level oil groove, one side at which the oil outlet of low-level oil groove is located is equipped with low pressure automatic oil supply device, the low pressure automatic oil supply device includes the box, the bottom of box is equipped with common base, and the inner chamber of box is equipped with oil feed pump and control box installed on common base, the oil feed pump is equipped with two side by side; a door cover is arranged on the front side of the box body, and an operation window convenient for operating the control box is arranged on the door cover; inlets of the two oil supply pumps are respectively connected with an inlet main pipe through inlet branch pipes, and an inlet of the inlet main pipe is connected with an oil outlet of the low-level oil groove; outlet branch pipes are respectively arranged at the outlets of the two oil supply pumps, the two outlet branch pipes are respectively connected with an outlet header pipe through one-way valves, the outlet of the inlet header pipe is connected with a direct supply valve through a tee joint, and an outlet pipeline of the direct supply valve is connected with the outlet header pipe through a tee joint; the outlet main pipe extends out of the tank body and is connected with an oil supply pipeline of the diesel engine, and an electric contact pressure gauge, an oil supply flowmeter and an electric heater for heating the oil are mounted on the outlet main pipe.
As the improvement of the utility model, the oil filling side of the low-position oil groove is provided with two oil inlet filters which are connected in parallel, the inlets of the two oil inlet filters are connected with an oil inlet main pipe through an inlet switching valve, and the inlet of the oil inlet main pipe is butted with an oil supply hose of the oil tank truck; outlets of the two oil inlet filters are connected with an oil injection main pipe through an outlet switching valve, an oil injection flowmeter is installed on the oil inlet main pipe, and an inlet of the oil injection flowmeter is connected with an oil injection port of the low-position oil groove through an oil injection hose.
As a further improvement of the present invention, the motor main circuit of the first oil supply pump B1 is controlled by the first ac contactor KM1 and is connected in series with the first thermal relay FR1 in the main circuit, the motor main circuit of the second oil supply pump B2 is controlled by the second ac contactor KM2 and is connected in series with the second thermal relay FR2 in the main circuit, the control circuit of the first oil supply pump B1 includes the normally closed contacts of the first stop button ST1 and the second relay KA2, the first start button SB1, the coil of the first ac contactor KM1 and the contact of the first thermal relay FR1 which are connected in series in sequence, the self-protection contact of the first ac contactor KM1 and the normally open contact of the first relay KA1 are connected in parallel with the first start button SB1 respectively; the control loop of the second oil supply pump B2 comprises a stop button II ST2, a normally closed contact of a second relay KA2, a start button II SB2, a coil of an alternating current contactor II KM2 and a contact of a thermal relay II FR2 which are sequentially connected in series, and a self-protection contact of the alternating current contactor II KM2 and a normally open contact of a first relay KA1 are respectively connected with the start button II SB2 in parallel; the common end of the electric contact pressure gauge YP is connected with a phase line of the control loop, a coil of a first relay KA1 is connected in series between the low-voltage end L of the electric contact pressure gauge YP and the zero line, and a self-protection contact of the first relay KA1 is connected with the coil of the first relay KA1 in parallel; and a coil of a second relay KA2 is connected in series between the high-voltage end H of the electric contact pressure gauge YP and a zero line, and a self-protection contact of the second relay KA2 is connected in parallel with the coil of the second relay KA 2.
As a further improvement, the normally open contact of temperature detect switch WK and the coil of third relay KA3 are established ties between control circuit's phase line and the zero line, and third relay KA 3's self preservation contact and third relay KA 3's coil are parallelly connected in parallel, and third relay KA 3's normally open contact is established ties in electric heater DR's the power supply loop.
Compared with the prior art, the utility model discloses following beneficial effect has been obtained: 1. a high-level oil groove is not required, so that the installation time is saved, and complicated installation links are reduced;
2. the high-level climbing is not needed to observe the oil level of the high-level groove, so that the safety is improved, the risk of high-altitude operation is reduced, and the safety coefficient of worker operation is improved;
3. the labor intensity of workers is reduced, and the working efficiency is improved;
4. the operation flow of workers is simplified, and manpower and material resources are saved;
5. each set of oil supply device needs about 2.5 ten thousand yuan investment, including saving crane cost, and each set can save 5.3 ten thousand yuan capital.
6. The well drilling team working platform embodies a human-oriented idea, not only focuses on completing the functions of the device, but also is simple to install, simple and easy to maintain in the later period, convenient to use, safe and reliable, reduces the production cost and the operation risk of the well drilling team, is generally suitable for well drilling teams constructed in different work areas, and can be popularized and used in a large range.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description, which are provided for reference and illustration purposes only and are not intended to limit the invention.
FIG. 1 is a schematic diagram of the automatic oil supply system of the diesel engine for oil drilling according to the present invention;
FIG. 2 is a top view of the oil piping system of the oil supply pump of the present invention;
FIG. 3 is a front view of the oil piping system of the oil supply pump of the present invention;
fig. 4 is a top view of the medium oil feed filtering system of the present invention;
fig. 5 is a perspective view of the medium oil feed filtering system of the present invention;
fig. 6 is a main circuit diagram of the electrical system of the present invention;
fig. 7 is a control circuit diagram of the electrical system of the present invention.
In the figure: 1. a box body; 1a, a common base; 2. a door cover; 2a, operating a window; 3. an oil supply hose of the oil tank truck; 4. an oil inlet main pipe; 5. an inlet switching valve; 6. an oil inlet filter; 6a, a blow-off pipe; 6b, a blowoff valve; 7. an outlet switching valve; 8. an oil injection main pipe; 9. an oil injection hose; 10. an inlet manifold; 11. an inlet manifold; 12. an outlet branch pipe; 13. an outlet manifold; B1. a first oil supply pump; B2. a second oil supply pump; l1, an oil injection flow meter; l2, an oil supply flowmeter; v0, direct supply valve; v1, a ball valve I; v2, a ball valve II; D1. a one-way valve I; D2. a second one-way valve; dr electric heater.
Detailed Description
In the following description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplified description, and do not mean that the device must have a specific orientation.
As shown in fig. 1 to 3, the utility model discloses an automatic oil feeding system of diesel engine for oil drilling includes the low level oil groove, and oil-out place one side of low level oil groove is equipped with the automatic oil supply unit of low pressure, and the automatic oil supply unit of low pressure includes box 1, and box 1's bottom is equipped with common base 1a, and box 1's top is equipped with the lug, is convenient for wholly move. The inner cavity of the box body 1 is provided with an oil supply pump and a control box which are arranged on a common base 1a, and the two oil supply pumps are arranged side by side. The front side of the box body 1 is provided with a door cover 2, the door cover 2 is provided with an operation window 2a, and a button and a knob on the front door of the operation control box are exposed from the operation window 2a, so that an operator can operate the operation without opening the door cover 2.
Inlets of the first oil supply pump B1 and the second oil supply pump B2 are respectively connected with an inlet main pipe 10 through an inlet branch pipe 11, and an inlet of the inlet main pipe 10 is connected with an oil outlet of the low-level oil groove. A ball valve V1 is installed on an inlet branch pipe 11 of the first oil supply pump B1, and a ball valve V2 is installed on an inlet branch pipe 11 of the second oil supply pump B2, so that manual switching and selection are facilitated.
The outlet of the inlet header pipe 10 is connected with a direct supply valve V0 through a tee joint, and the outlet pipeline of the direct supply valve V0 is connected with an outlet header pipe 13 through a tee joint. Under the normal working state, the direct supply valve V0 is in a closed state; when the first oil supply pump B1 and the second oil supply pump B2 both have faults, the direct supply valve V0 can be opened, and oil is directly supplied to the diesel engine through the low-level oil groove.
The outlet manifold 13 is provided with an electric contact pressure gauge YP, an oil supply flow meter L2, and an electric heater DR for heating fuel.
As shown in fig. 4 and 5, two oil inlet filters 6 which are connected in parallel with each other are arranged on the oil filling side of the low-level oil groove, inlets of the two oil inlet filters 6 are connected with an oil inlet main pipe 4 through an inlet switching valve 5, and an inlet of the oil inlet main pipe 4 is butted with an oil supply hose 3 of the tank wagon; outlets of the two oil inlet filters 6 are connected with an oil filling main pipe 8 through an outlet switching valve 7, an oil filling flowmeter L1 is installed on the oil inlet main pipe 4, and an inlet of the oil filling flowmeter L1 is connected with an oil filling opening of the low-level oil groove through an oil filling hose 9.
The two feed filters 6 are used one by one, and the inlet switching valve 5 and the outlet switching valve 7 are switched to select which feed filter 6 is used. Each oil inlet filter 6 is provided with a blow-off pipe 6a and a blow-off valve 6b, so that the sewage can be discharged conveniently.
As shown in fig. 6, the motor main loop of the oil supply pump i B1 is controlled by the ac contactor i KM1 and is connected in series with the thermorelay i FR1, the motor main loop of the oil supply pump ii B2 is controlled by the ac contactor ii KM2 and is connected in series with the thermorelay ii FR2; the normally open contact of the third relay KA3 is connected in series in the power supply loop of the electric heater DR.
As shown in fig. 7, the control circuit of the first oil supply pump B1 includes a first stop button ST1, a normally closed contact of the second relay KA2, a first start button SB1, a coil of the first ac contactor KM1, and a contact of the first thermal relay FR1, which are connected in series in sequence, and the self-protection contact of the first ac contactor KM1 and the normally open contact of the first relay KA1 are connected in parallel with the first start button SB1, respectively.
The control loop of the second oil supply pump B2 comprises a stop button II ST2, a normally closed contact of a second relay KA2, a start button II SB2, a coil of an alternating current contactor II KM2 and a contact of a thermal relay II FR2 which are sequentially connected in series, and a self-protection contact of the alternating current contactor II KM2 and a normally open contact of a first relay KA1 are respectively connected with the start button II SB2 in parallel.
The common end of the electric contact pressure gauge YP is connected with a phase line of the control loop, a coil of a first relay KA1 is connected in series between the low-voltage end L of the electric contact pressure gauge YP and the zero line, and a self-protection contact of the first relay KA1 is connected with the coil of the first relay KA1 in parallel; and a coil of a second relay KA2 is connected in series between the high-voltage end H of the electric contact pressure gauge YP and a zero line, and a self-protection contact of the second relay KA2 is connected in parallel with the coil of the second relay KA 2.
When the oil supply pump B1 is selected to be used, the air switch QF1 is closed, the start button SB1 is pressed, the coil of the alternating current contactor KM1 is electrified, the self-protection contact of the alternating current contactor KM1 is closed and self-protected, the main contact of the alternating current contactor KM1 is closed, the motor M1 is enabled to operate, the oil supply pump B1 is put into operation to supply oil to an oil supply pipeline of the diesel engine, and meanwhile, the indicator light BG1 is lightened. When the current is too large and the heating relay FR1 acts or the stop button ST1 is pressed, the coil of the alternating current contactor KM1 loses power, and the oil supply pump B1 stops working.
When the oil supply pump II B2 is selected to be used, the air switch QF2 is closed, the start button II SB2 is pressed, the coil of the alternating current contactor II KM2 is electrified, the self-protection contact of the alternating current contactor II KM2 is closed for self protection, the main contact of the alternating current contactor II KM2 is closed, the motor M2 is enabled to operate, the oil supply pump II B2 is put into operation, oil is supplied to an oil supply pipeline of the diesel engine, and meanwhile, the indicator light BG2 is lightened. When the current is too large and the second FR2 of the heating relay acts or the second ST2 of the stop button is pressed, the coil of the second KM2 of the alternating current contactor loses power, and the second B2 of the oil supply pump stops working.
An electric contact pressure gauge YP arranged on the outlet manifold 13 can realize the automatic operation of the oil supply pump, and for example, a first oil supply pump B1 is selected, and the air switch QF1 is closed and the air switch QF2 is closed. When the oil supply pressure is less than or equal to 0.1MPa, the common end of the electric contact pressure gauge YP is conducted with the low-voltage end L, the coil of the first relay KA1 is electrified, the self-protection contact of the first relay KA1 is closed for self-protection, the normally-open contact of the first relay KA1 is closed, the coil of the alternating current contactor KM1 is electrified, the motor M1 operates, and the oil supply pump B1 automatically works.
When the oil supply pressure is greater than 0.35MPa, the common end of the electric contact pressure gauge YP is conducted with the high-voltage end H, the coil of the second relay KA2 is electrified, the self-protection contact of the second relay KA2 is closed for self-protection, the normally closed contact of the second relay KA2 is disconnected, the coil of the alternating current contactor KM1 is electrified, and the oil supply pump B1 stops working.
A normally open contact of a temperature control switch WK and a coil of a third relay KA3 are connected in series between a phase line and a zero line of the control loop, and a self-protection contact of the third relay KA3 is connected in parallel with the coil of the third relay KA 3.
The electric heater DR arranged on the periphery of the outlet main pipe 13 can carry out heat tracing on fuel oil so as to adapt to the influence on the use of diesel oil in severe cold seasons. Even in a slightly cold season, the temperature difference between the day and the night is large, or the temperature difference between a cloudy day and a sunny day is large, and whether heat tracing is needed or not needs to be determined according to the situation.
The working environment of field operation is severe, the field operation usually enters winter, namely the air switch QF3 is closed, when the temperature at night or in cold weather drops below 1 ℃, the normally open contact of the temperature control switch WK is closed, the coil of the third relay KA3 is electrified, the self-protection contact of the third relay KA3 is closed for self-protection, the normally open contact of the third relay KA3 is connected with a power supply loop of the electric heater DR, the oil path is heated, the smooth oil supply is ensured, and the working efficiency of the diesel engine is improved. When the outdoor temperature is higher than 10 ℃, the normally open contact of the temperature control switch WK is disconnected, the coil of the third relay KA3 loses power, and the electric heater DR automatically stops heating.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention. In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (4)
1. The utility model provides an automatic oil feeding system of diesel engine for oil drilling, includes low level oil groove, its characterized in that: the low-pressure automatic oil supply device is arranged on one side of the low-position oil groove where an oil outlet is located and comprises a box body (1), a common base (1 a) is arranged at the bottom of the box body (1), an oil supply pump and a control box are arranged on the common base (1 a) in the inner cavity of the box body (1), and the two oil supply pumps are arranged side by side; a door cover (2) is arranged on the front side of the box body (1), and an operation window (2 a) convenient for operating the control box is arranged on the door cover (2); inlets of the two oil supply pumps are respectively connected with an inlet main pipe (10) through inlet branch pipes (11), and an inlet of the inlet main pipe (10) is connected with an oil outlet of the low-level oil groove; the outlets of the two oil supply pumps are respectively provided with an outlet branch pipe (12), the two outlet branch pipes (12) are respectively connected with an outlet main pipe (13) through one-way valves, the outlet of the inlet main pipe (10) is connected with a direct supply valve (V0) through a tee joint, and an outlet pipeline of the direct supply valve (V0) is connected with the outlet main pipe (13) through a tee joint; the outlet header pipe (13) extends out of the box body (1) and is connected with an oil supply pipeline of the diesel engine, and an electric contact pressure gauge (YP), an oil supply flowmeter (L2) and an electric heater (DR) for heating fuel are installed on the outlet header pipe (13).
2. The automatic oil supply system for the diesel engine for the petroleum drilling as set forth in claim 1, wherein: the oil injection side of the low-position oil tank is provided with two oil inlet filters (6) which are connected in parallel, the inlets of the two oil inlet filters (6) are connected with an oil inlet main pipe (4) through an inlet switching valve (5), and the inlet of the oil inlet main pipe (4) is butted with an oil supply hose (3) of the oil tank truck; outlets of the two oil inlet filters (6) are connected with an oil injection main pipe (8) through an outlet switching valve (7), an oil injection flowmeter (L1) is installed on the oil inlet main pipe (4), and an inlet of the oil injection flowmeter (L1) is connected with an oil injection port of the low-level oil groove through an oil injection hose (9).
3. The automatic oil supply system for the diesel engine for the petroleum drilling as set forth in claim 1, wherein: a motor main loop of the oil supply pump I (B1) is controlled by the AC contactor I (KM 1) and is connected with a thermorelay I (FR 1) in series, a motor main loop of the oil supply pump II (B2) is controlled by the AC contactor II (KM 2) and is connected with a thermorelay II (FR 2) in series,
the control loop of the first oil supply pump (B1) comprises a first stop button (ST 1), a normally closed contact of a second relay (KA 2), a first start button (SB 1), a coil of a first alternating current contactor (KM 1) and a contact of a first thermal relay (FR 1) which are sequentially connected in series, and a self-protection contact of the first alternating current contactor (KM 1) and a normally open contact of the first relay (KA 1) are respectively connected with the first start button (SB 1) in parallel;
the control loop of the second oil supply pump (B2) comprises a second stop button (ST 2), a normally closed contact of a second relay (KA 2), a second start button (SB 2), a coil of a second alternating current contactor (KM 2) and a contact of a second thermal relay (FR 2) which are sequentially connected in series, and a self-protection contact of the second alternating current contactor (KM 2) and a normally open contact of the first relay (KA 1) are respectively connected with the second start button (SB 2) in parallel;
the common end of the electric contact pressure gauge (YP) is connected with a phase line of the control loop, a coil of a first relay (KA 1) is connected in series between the low-voltage end (L) of the electric contact pressure gauge (YP) and a zero line, and a self-protection contact of the first relay (KA 1) is connected with the coil of the first relay (KA 1) in parallel; a coil of a second relay (KA 2) is connected in series between the high-voltage end (H) of the electric contact pressure gauge (YP) and a zero line, and a self-protection contact of the second relay (KA 2) is connected with the coil of the second relay (KA 2) in parallel.
4. The automatic oil supply system for the diesel engine for petroleum drilling according to claim 1, wherein: a normally open contact of a temperature control switch (WK) and a coil of a third relay (KA 3) are connected in series between a phase line and a zero line of the control loop, a self-protection contact of the third relay (KA 3) is connected in parallel with the coil of the third relay (KA 3), and the normally open contact of the third relay (KA 3) is connected in series in a power supply loop of the electric heater (DR).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222633761.3U CN218509611U (en) | 2022-09-30 | 2022-09-30 | Automatic oil supply system of diesel engine for petroleum drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222633761.3U CN218509611U (en) | 2022-09-30 | 2022-09-30 | Automatic oil supply system of diesel engine for petroleum drilling |
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| Publication Number | Publication Date |
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| CN218509611U true CN218509611U (en) | 2023-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222633761.3U Active CN218509611U (en) | 2022-09-30 | 2022-09-30 | Automatic oil supply system of diesel engine for petroleum drilling |
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| CN (1) | CN218509611U (en) |
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- 2022-09-30 CN CN202222633761.3U patent/CN218509611U/en active Active
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