Skid-mounted oil field crude oil heating equipment

Abstract

The utility model provides skid-mounted oil field crude oil heating equipment. The skid-mounted oil field crude oil heating equipment comprises a skid-mounted container, a heat storage electric boiler, a heat storage tank, a solar heat collector, an air source heat pump, a shell and tube heat exchanger, an energy storage pump, an energy release pump and an electric control valve. The air source heat pump system has the advantages that the heat storage electric boiler is started to store heat in the night valley electricity price period, the heat is released for heating in the daytime peak-flat electricity price period, the air source heat pump supplements heat in the daytime high environment temperature period, the heat conversion efficiency is high, and according to the peak-valley-flat electricity price difference, the energy is saved. The operation cost can be saved by more than 60% compared with that of a traditional heating mode, the temperature of crude oil can be stably controlled by adopting one electric control valve, the temperature can be flexibly set, the inaccuracy of temperature control of traditional heating equipment is avoided, water is adopted as a heat transfer medium for heating, and the risk that crude oil is combustible is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pry mounted oilfield crude oil heating equipment and belongs to the crude oil heating field. BACKGROUND

[0002] Crude oil is our strategic material and the economic lifeline of the country. As the crude oil conveying pipeline of the middle stream business, its role is to convey crude oil from the gathering and transportation plant of the oil field to the refinery, wharf and the like through long-distance pipeline network. Due to the characteristics of high wax content, high condensation point and large viscosity of crude oil, the crude oil attached to the pipe wall is easy to condense during the conveying process, causing poor flowability, small flow, high pressure and other problems, reducing the crude oil gathering and transportation efficiency and seriously affecting the production operation.

[0003] The existing crude oil gathering and transportation heating methods mainly include pipeline electric heat tracing, pipeline electromagnetic heating and air source heat pump heating. Among them, the electric heat tracing or electromagnetic heating directly converts electric energy into heat energy, and the conversion efficiency is less than or equal to 90%. Moreover, the electricity price is high during the peak and valley period of the day, and the operation cost is too high. The comprehensive conversion energy efficiency of the air source heat pump heating is about 250%, but the water outlet temperature of the air source heat pump is low, and the crude oil heating temperature is limited. Especially in the cold northern region, the lower the environmental temperature is, the lower the conversion heat efficiency is. Therefore, the present application provides a pry mounted oilfield crude oil heating equipment. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the utility model aims to provide a pry mounted oilfield crude oil heating equipment.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme:

[0006] A pry mounted oilfield crude oil heating equipment, which is composed of a pry mounted container, a heat accumulating electric boiler, a heat accumulating tank, a solar heat collector, an air source heat pump, a shell and tube heat exchanger, an energy storage pump, an energy releasing pump and an electric regulating valve. The heat accumulating electric boiler, the heat accumulating tank, the shell and tube heat exchanger, the energy storage pump, the energy releasing pump and the electric regulating valve are arranged inside the container. The air source heat pump is located on one side of the container. The heat accumulating electric boiler is connected to the energy storage pump through a pipeline. The heat accumulating electric boiler and the heat accumulating tank are connected through a pipeline. The heat accumulating tank and the energy releasing pump are connected through a pipeline. The heat accumulating tank and the air source heat pump are connected through a pipeline. A pipeline is arranged on the energy releasing pump. The pipeline passes through the shell and tube heat exchanger and is connected to the air source heat pump. A pipeline is connected between the pipeline and the solar heat collector. A pipeline is further arranged on the pipeline. The electric regulating valve is arranged on the pipeline. The shell and tube heat exchanger is connected to a crude oil pipe outlet water pipe and a crude oil pipe inlet water pipe.

[0007] Further, the solar collector is arranged on the outer top of the container and is arranged in an inclined manner, a plurality of supporting legs are fixedly arranged at the bottom end of the solar collector, the supporting legs are fixed on the container and the ground, and a driving box and a storage box are fixedly arranged on the outer frame of the solar collector.

[0008] Further, an elongated assembly is arranged in the driving box, the elongated assembly comprises a driving motor fixedly arranged on the inner wall of the driving box, a screw rod is connected to the output end of the driving motor, a threaded plate is threadedly sleeved on the screw rod, an elongated rod is fixedly arranged on the threaded plate and penetrates out of the driving box, and a bearing is fixedly arranged on the inner wall of the driving box and sleeved with the other end of the screw rod.

[0009] Further, the elongated rod is fixedly provided with a secondary elongated rod through a transverse rod, a blocking plate is fixedly arranged at the end of the secondary elongated rod away from the transverse rod, and a cleaning assembly is arranged on the blocking plate.

[0010] Further, a through hole is formed in the storage box and used for the cleaning assembly to pass through, the cleaning assembly comprises a fixed plate fixedly arranged on the blocking plate, a protection box is fixedly arranged on the fixed plate, a rotating motor is arranged in the protection box, a driving rod is connected to the output end of the rotating motor and penetrates through the protection box and the fixed plate, a cleaning rod is fixedly arranged at the other end of the driving rod, and cleaning brushes are arranged on the cleaning rod.

[0011] Further, a secondary bearing two is inlaid on the fixed plate in a fixed manner, and the driving rod penetrates through the secondary bearing two.

[0012] Further, a solar panel is inlaid on the outer side of the blocking plate in a fixed manner, a storage battery is further fixedly arranged in the protection box, and the storage battery is used for supplying power to the rotating motor.

[0013] Further, a water spraying cavity is fixedly arranged at the top end of the storage box, a row of inclined spray pipes are arranged on the water spraying cavity, the inclined spray pipes correspond to the solar collector, dustproof nets are arranged in the inclined spray pipes, a water tank is arranged on one side of the container, a water pump is arranged in the water tank, and the water pump is connected to the water spraying cavity through a water spraying pipe.

[0014] The utility model discloses beneficial effects:

[0015] The application is highly integrated in a pry-mounted container, reduces the on-site construction link, and the pry-mounted equipment can be flexibly placed in any outdoor open space without the need of building a new machine room, reduces the initial investment cost, couples the heat storage electric boiler, the solar heat collector and the air source heat pump together, the heat storage electric boiler is used as the heat storage source main machine, the solar heat collector and the air source heat pump are auxiliary heat supplement equipment, the average energy efficiency ratio of the air source heat pump reaches 250%, the solar heat collector has no energy consumption, the advantages of the equipment are complemented, the whole system can effectively reduce the energy consumption, save energy and reduce emissions, the heat storage electric boiler is started and runs to store heat in the night valley section electricity price period, releases heat to be used for heating in the daytime peak flat electricity price period, the air source heat pump supplements heat in the daytime high ambient temperature period, the heat conversion efficiency is higher, according to the peak-valley flat electricity price difference, the operation cost can be saved by more than 60% than the traditional heating mode, one electric regulating valve can be used to stably control the crude oil temperature, and the temperature can be flexibly set, the inaccuracy of the temperature control of the traditional heating equipment is avoided, water is used as the heat transfer medium, and the risk of flammable crude oil is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0017] Figure 1 It is a front view of the pry-mounted oilfield crude oil heating equipment of the present application.

[0018] Figure 2 It is an internal schematic diagram of the heat storage electric boiler of the pry-mounted oilfield crude oil heating equipment of the present application.

[0019] Figure 3 It is a principle diagram of the pry-mounted oilfield crude oil heating equipment of the present application.

[0020] Figure 4 It is an internal schematic diagram of the drive box of the pry-mounted oilfield crude oil heating equipment of the present application.

[0021] Figure 5 It is a schematic diagram of the fixing plate of the pry-mounted oilfield crude oil heating equipment of the present application.

[0022] In the figure: 1, heat storage electric boiler; 2, heat storage tank; 3, solar heat collector; 4, air source heat pump; 5, shell and tube heat exchanger; 6, energy storage pump; 7, energy release pump; 8, electric regulating valve; 9, container; 10, supporting leg; 11, drive box; 12, storage box; 13, drive motor; 14, screw rod; 15, threaded plate; 16, long rod; 17, bearing; 18, transverse rod; 19, auxiliary long rod; 20, blocking plate; 21, through hole; 22, fixed plate; 23, protection box; 24, drive rod; 25, cleaning rod; 26, cleaning brush; 27, auxiliary bearing two; 28, solar panel; 29, water spraying cavity; 30, inclined spray pipe; 31, water tank; 32, pipeline five; 33, pipeline six. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of pry-mounted oilfield crude oil heating equipment, including pry-mounted container 9, heat storage electric boiler 1, heat storage tank 2, solar heat collector 3, air source heat pump 4, shell and tube heat exchanger 5, energy storage pump 6, energy release pump 7 and electric regulating valve 8 are formed, the heat storage electric boiler 1, the heat storage tank 2, the shell and tube heat exchanger 5, the energy storage pump 6, the energy release pump 7 and the electric regulating valve 8 are arranged in the container 9 interior, the air source heat pump 4 is located in the one side of the container 9, the heat storage electric boiler 1 is connected by pipeline one the energy storage pump 6, the heat storage electric boiler 1 and the heat storage tank 2 are connected by pipeline two, the heat storage tank 2 and the energy release pump 7 are connected by pipeline three, the heat storage tank 2 and the air source heat pump 4 are connected by pipeline four, pipeline five 32 is equipped on the energy release pump, the pipeline five 32 passes through the shell and tube heat exchanger 5 and is connected with the air source heat pump 4, pipeline six 33 is connected between the pipeline five 32 and the solar heat collector 3, pipeline seven is also equipped on the pipeline five 32, the electric regulating valve 8 is arranged on pipeline seven, the shell and tube heat exchanger 5 is connected with the water pipe of connecting crude oil pipe and the water pipe of connecting crude oil pipe.

[0025] Please refer to Figures 1-5The solar energy collector 3 is arranged on the outer top of the container 9 and is arranged in an inclined manner, a plurality of supporting feet 10 are fixedly arranged at the bottom end of the solar energy collector 3, the supporting feet 10 are fixed on the container 9 and the ground, a driving box 11 and a storage box 12 are fixedly arranged on the outer frame of the solar energy collector 3, an elongated assembly is arranged in the driving box 11, the elongated assembly comprises a driving motor 13 fixedly arranged on the inner wall of the driving box 11, a lead screw 14 is connected to the output end of the driving motor 13, a threaded plate 15 is threadedly sleeved on the lead screw 14, a long rod 16 penetrating out of the driving box 11 is fixedly arranged on the threaded plate 15, a bearing 17 fixedly arranged on the inner wall of the driving box 11 is sleeved on the other end of the lead screw 14, a secondary long rod 19 is fixedly arranged on the long rod 16 through a transverse rod 18, a blocking plate 20 is fixedly arranged on the end of the secondary long rod 19 away from the transverse rod 18, a cleaning assembly is arranged on the blocking plate 20, a through hole 21 is formed in the storage box 12 for the cleaning assembly to pass through, the cleaning assembly comprises a fixed plate 22 fixedly arranged on the blocking plate 20, a protection box 23 is fixedly arranged on the fixed plate 22, a rotary motor is arranged in the protection box 23, a driving rod 24 is connected to the output end of the rotary motor, the driving rod 24 penetrates through the protection box 23 and the fixed plate 22, and a cleaning rod 25 is fixedly arranged on the other end of the driving rod 24, a cleaning brush 26 is arranged on the cleaning rod 25, a secondary bearing 27 is inlaidly arranged on the fixed plate 22, the driving rod 24 penetrates through the secondary bearing 27, a solar panel 28 is inlaidly arranged on the outer side of the blocking plate 20, a storage battery is further fixedly arranged in the protection box 23, the storage battery supplies power to the rotary motor, a water spraying cavity 29 is fixedly arranged at the top end of the storage box 12, a row of inclined spray pipes 30 are arranged on the water spraying cavity 29, the inclined spray pipes 30 correspond to the solar energy collector 3, dustproof nets are arranged in the inclined spray pipes 30, a water tank 31 is arranged on one side of the container 9, a water pump is arranged in the water tank 31, the water pump is connected to the water spraying cavity 29 through a water spraying pipe, and a worker can regularly clean the dust on the top surface of the solar energy collector 3.

[0026] When the driving motor 13 is started, the screw rod 14 is driven to rotate, thus driving the threaded plate 15 to produce horizontal movement on the screw rod 14, finally driving the secondary long rod 19 to produce the same movement, and the movement of the secondary long rod 19 drives the blocking plate 20 to move, so that the blocking plate 20 no longer blocks the aperture 21, the size of the blocking plate 20 is larger than that of the aperture 21, finally driving the cleaning assembly on the blocking plate 20 to move out of the storage box 12, and when cleaning is not needed, the cleaning designed part can be stored in the storage box 12 for dust protection, the cleaning brush 26 moves out of the storage box 12, water is sprayed on the top surface of the solar collector 3 through cooperation with the inclined spray pipe 30, and then the rotating motor is started to rotate the cleaning brush 26, finally completing the overall cleaning of the surface of the solar collector 3, and the cleaning effect is better than manual cleaning, the solar panel 28 has a small area and does not need automatic cleaning, the solar panel 28 is designed to supply power to the storage battery, the storage battery supplies power to the rotating motor, the solar panel 28 is designed to rotate the rotating motor alone, so that the connecting line between the storage battery and the solar panel 28 can be additionally stored in the storage box 12 for protection, after the solar collector 3 is cleaned, water can continue to be sprayed, the cleaning brush 26 is located at the inclined bottom position of the solar collector 3, water continues to be sprayed to cooperate with the rotation of the cleaning brush 26, the cleaning brush 26 automatically rotates to clean the dust on the cleaning brush 26, and finally automatically rotates to dry the water on the cleaning brush 26, the cleaning brush 26 has softness and can be better stored in the storage box 12, the length of the bristles of the cleaning brush 26 is greater than the length of the blocking plate 20, the blocking plate 20 contacts the top surface of the solar collector 3 when moving, and the bristles of the cleaning brush 26 are in a slightly curled state.

[0027] In specific work, the heat storage working condition is that heat is stored at night when the electricity price is low, the energy storage pump 6 is started, the heat storage electric boiler 1 is started, water in the heat storage tank 2 is discharged from the lower outlet, heated and returned to the top of the heat storage tank 2, the twenty-four-hour uninterrupted heat release working condition is that the energy release pump 7 is started, hot water in the heat storage tank 2 is discharged from the top outlet, cooled by the shell-and-tube heat exchanger 5 and then returned to the bottom of the heat storage tank 2, and water supplied to the crude oil pipeline is heated by the shell-and-tube heat exchanger 5, the electric regulating valve 8 adjusts the valve opening degree in real time to control the constant temperature of the crude oil heating temperature, the heat supplement working condition is that the characteristics of high heat collection of the solar collector 3 and high heat efficiency of the air source heat pump 4 in the daytime are used for daytime heat supplement, the solar collector 3 and the air source heat pump 4 are started, and low-temperature water is heated and then returned to the bottom of the heat storage tank 2.

[0028] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A skid-mounted oilfield crude oil heating device, characterized in that: The container consists of a skid-mounted container (9), a thermal energy storage boiler (1), a thermal energy storage tank (2), a solar collector (3), an air source heat pump (4), a shell and tube heat exchanger (5), an energy storage pump (6), an energy release pump (7), and an electric regulating valve (8). The thermal energy storage boiler (1), the thermal energy storage tank (2), the shell and tube heat exchanger (5), the energy storage pump (6), the energy release pump (7), and the electric regulating valve (8) are all arranged inside the container (9). The air source heat pump (4) is located on one side of the container (9). The thermal storage electric boiler (1) is connected to the energy storage pump (6) through pipe one. The thermal storage electric boiler (1) and the thermal storage tank (2) are connected through pipe two. The thermal storage tank (2) and the energy release pump (7) are connected through pipe three. The thermal storage tank (2) and the air source heat pump (4) are connected through pipe four. The energy release pump is provided with pipe five (32). Pipe five (32) passes through the shell and tube heat exchanger (5) and is connected to the air source heat pump (4). Pipe six (33) is connected between pipe five (32) and the solar collector (3). Pipe seven is also provided on pipe five (32). The electric regulating valve (8) is set on pipe seven. The shell and tube heat exchanger (5) is connected with an oil pipe outlet pipe and an oil pipe inlet pipe.

2. The skid-mounted oilfield crude oil heating equipment according to claim 1, characterized in that: The solar collector (3) is installed on the outer top of the container (9) and is inclined. The bottom of the solar collector (3) is fixed with multiple support feet (10). The support feet (10) are fixed on the container (9) and the ground. The outer frame of the solar collector (3) is fixed with a drive box (11) and a storage box (12).

3. The skid-mounted oilfield crude oil heating equipment according to claim 2, characterized in that: The drive box (11) is provided with an extension assembly, which includes a drive motor (13) fixed to the inner wall of the drive box (11). The output end of the drive motor (13) is connected to a lead screw (14). A threaded plate (15) is threaded on the lead screw (14). A long rod (16) that passes through the drive box (11) is fixed on the threaded plate (15). The other end of the lead screw (14) is fitted with a bearing (17) fixed to the inner wall of the drive box (11).

4. A skid-mounted oilfield crude oil heating device according to claim 3, characterized in that: The long rod (16) is fixedly provided with a secondary long rod (19) via a transverse rod (18). A sealing plate (20) is fixedly provided at the end of the secondary long rod (19) away from the transverse rod (18). A cleaning component is provided on the sealing plate (20).

5. A skid-mounted oilfield crude oil heating device according to claim 4, characterized in that: The storage box (12) has an opening (21) for the cleaning component to pass through. The cleaning component includes a fixing plate (22) fixed on the sealing plate (20). A protective box (23) is fixed on the fixing plate (22). A rotary motor is provided inside the protective box (23). The output end of the rotary motor is connected to a drive rod (24). The drive rod (24) passes through the protective box (23) and the fixing plate (22). A cleaning rod (25) is fixed on the other end of the drive rod (24). A cleaning brush (26) is arranged on the cleaning rod (25).

6. A skid-mounted oilfield crude oil heating device according to claim 5, characterized in that: A secondary bearing (27) is fixedly embedded on the fixed plate (22), and the drive rod (24) passes through the secondary bearing (27).

7. A skid-mounted oilfield crude oil heating device according to claim 6, characterized in that: The sealing plate (20) is inlaid with a solar panel (28) on its outer side, and a storage battery is fixedly installed inside the protective box (23), which supplies power to the rotary motor.

8. A skid-mounted oilfield crude oil heating device according to claim 7, characterized in that: The storage box (12) is fixedly provided with a water spray chamber (29) at the top. A row of inclined spray pipes (30) is provided on the water spray chamber (29). The inclined spray pipes (30) correspond to the solar collector (3). A dustproof net is provided inside the inclined spray pipes (30). A water tank (31) is provided on one side of the container (9). A water pump is provided inside the water tank (31). The water pump is connected to the water spray chamber (29) through the water spray pipe.

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