Novel crude oil dehydration device
By installing a stirring mechanism and a heating section in the crude oil dehydration unit, the problem of insufficient mixing between the demulsifier and crude oil is solved, achieving full separation of oil and water and efficient dehydration, thus improving the dehydration effect of crude oil.
Patent Information
- Application Number
- CN202520149649.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-22
AI Technical Summary
Existing crude oil dehydration equipment suffers from insufficient mixing of demulsifier and crude oil, resulting in poor oil-water separation and thus ineffective dehydration.
A novel crude oil dehydration device was designed, comprising a support frame, a first tank, and a second tank. The first tank is equipped with a stirring mechanism, including a first motor, a rotating tube, a lead screw, and a stirring plate. The stirring mechanism ensures that the demulsifier and crude oil are fully mixed. The second tank is equipped with a heating section for secondary dehydration treatment. The crude oil is heated using multi-layer partition plates and heating plates to evaporate residual water.
Through the design of the stirring mechanism, the demulsifier is fully mixed with crude oil, significantly improving the oil-water separation effect. Furthermore, the dehydration quality is further improved through heat treatment, achieving highly efficient crude oil dehydration.
Smart Images
Figure CN223780192U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to crude oil processing technical field especially relates to a novel crude oil dewatering device. BACKGROUND
[0002] The crude oil extracted from the well generally contains a certain amount of water, and the crude oil with more water will cause waste in storage and transportation, increase equipment, consume more energy, and most of the water in the crude oil contains salts, which accelerates the corrosion of equipment, pipelines and pipelines, in the process of petroleum refining, when water and crude oil are heated together, water will rapidly vaporize and expand, the pressure rises, which affects the normal operation of the refinery and the product quality, and even explosion may occur, therefore, the crude oil is first dehydrated by using a dehydration device for dehydration treatment.
[0003] Crude oil dehydration refers to the process of removing water from crude oil in a free state or emulsion state by physical or chemical methods to meet the specified standard. The current dehydration device has the problems that the demulsifier cannot be fully mixed with the crude oil, the oil and water cannot be fully separated, and the dehydration effect is poor. UTILITY MODEL CONTENT
[0004] The utility model discloses a novel crude oil dewatering device, which solves the problems mentioned in the background.
[0005] To achieve the above purpose, the utility model provides a novel crude oil dewatering device, which comprises a support, a first tank body and a second tank body, the first tank body and the second tank body are fixed on the support, an oil extraction pipe is arranged between the first tank body and the second tank body, a stirring mechanism is arranged in the first tank body, a crude oil inlet and a demulsifier inlet are arranged at the top of the first tank body, a water outlet is arranged at the bottom of the first tank body, a heating part and an oil collecting barrel are arranged in the second tank body, the heating part is arranged above the oil collecting barrel, and an oil outlet is arranged at the bottom of the second tank body.
[0006] The stirring mechanism comprises a first motor, a rotating pipe, a second motor, a lead screw and a stirring plate, the lead screw is arranged in the rotating pipe and is rotatably connected with the rotating pipe, and the lower end of the rotating pipe is rotatably connected with the bottom of the first tank body.
[0007] Preferably, the first tank body is provided with a first support frame and a second support frame, the rotating pipe is rotatably connected with the first support frame, the stirring plate is connected with the lead screw through a nut, and the nut is matched with the lead screw.
[0008] Preferably, one end of the rotating pipe extending out of the first tank body is fixedly connected with a driven wheel, the first motor is fixed on the outer sidewall of the first tank body, the output shaft of the first motor is fixedly connected with a driving wheel, and the driving wheel is in transmission connection with the driven wheel.
[0009] Preferably, the second motor is fixed above the first tank body through the second support frame.
[0010] Preferably, a sliding groove is arranged on the outer sidewall of the rotating pipe, and the stirring plate is arranged in the sliding groove.
[0011] Preferably, a water pump is arranged at one end of the oil extraction pipe extending into the second tank body, and a controller is arranged outside the second tank body.
[0012] Preferably, the heating part comprises a plurality of layering plates, the layering plates are internally provided with heating plates and heat-conducting layers, through holes are arranged on each layering plate, and the controller is connected with the heating plates.
[0013] Preferably, a steam outlet is arranged at the top of the second tank body.
[0014] Therefore, the novel crude oil dewatering device has the following beneficial effects: the stirring mechanism is arranged, the lead screw is arranged in the rotating pipe, the sliding groove is arranged on the rotating pipe, the stirring plate is connected with the lead screw through the nut, the stirring plate is arranged in the sliding groove, the driving wheel is driven to rotate by the first motor, the driving wheel is in transmission connection with the driven wheel, the driven wheel drives the rotating pipe to rotate, and then the stirring plate rotates, the stirring plate moves up and down along the lead screw by adjusting the rotating direction of the lead screw driven by the second motor, the crude oil can be fully stirred, the demulsifier can be fully mixed with the crude oil, and the dewatering effect is improved.
[0015] The second tank body is arranged, and the heating part is arranged in the second tank body, so that the crude oil treated by sedimentation can be further heated, the heating part is composed of a plurality of layering plates, the layering plates are internally provided with heating plates and heat-conducting layers, the heating plates are connected with the controller outside through electric signals, the heating plates are turned on, the water in the crude oil is evaporated by layer-by-layer heating, and the dewatering quality of the crude oil is further improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 FIG. 1 is a structural schematic view of a novel crude oil dewatering device in an embodiment of the present application;
[0017] Fig. 2 FIG. 2 is a sectional view of a novel crude oil dewatering device in an embodiment of the present application;
[0018] Fig. 3A top view of a novel crude oil dewatering device in the embodiments of the present application;
[0019] Reference signs
[0020] 1, support; 2, first tank body; 3, second tank body; 4, oil extraction pipe; 5, crude oil inlet; 6, demulsifier inlet; 7, water outlet; 8, heating part; 9, oil collecting barrel; 10, first motor; 11, rotating pipe; 12, second motor; 13, screw rod; 14, stirring plate; 15, first support frame; 16, second support frame; 17, nut; 18, oil outlet; 19, driving wheel; 20, driven wheel; 21, chute; 22, partition plate; 23, heating plate; 24, heat conduction layer; 25, steam outlet; 26, water pump; 27, through hole. DETAILED DESCRIPTION
[0021] The technical scheme of the present application is further described below by means of the drawings and embodiments.
[0022] Unless otherwise defined, technical terms or scientific terms used in the present application shall be understood as the common meaning understood by a person with ordinary skill in the art to which the present application belongs. The terms "first", "second" and similar terms used in the present application do not represent any order, quantity or importance, but are only used to distinguish different components. The terms "include" or "contain" and similar terms mean that the elements or objects before the terms cover the elements or objects listed after the terms and their equivalents, and do not exclude other elements or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "up", "down", "left", "right" and the like are only used to represent relative positional relationships, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0023] EMBODIMENT
[0024] As Figs. 1-3 shown, the novel crude oil dewatering device of the present application comprises a support 1, a first tank body 2 and a second tank body 3, the first tank body 2 and the second tank body 3 are both fixed on the support 1, an oil extraction pipe 4 is arranged between the first tank body 2 and the second tank body 3, a stirring mechanism is arranged inside the first tank body 2, a crude oil inlet 5 and a demulsifier inlet 6 are arranged on the top of the first tank body 2, a water outlet 7 is arranged at the bottom of the first tank body 2, a heating part 8 and an oil collecting barrel 9 are arranged inside the second tank body 3, the heating part 8 is arranged above the oil collecting barrel 9, and an oil outlet 18 is arranged at the bottom of the second tank body 3.
[0025] The stirring mechanism comprises a first motor 10, a rotating tube 11, a second motor 12, a screw rod 13 and a stirring plate 14, the screw rod 13 is arranged in the interior of the rotating tube 11 and is rotationally connected with the rotating tube 11, and the lower end of the rotating tube 11 is rotationally connected with the bottom of the first tank body 2.
[0026] The upper portion of the first tank body 2 is provided with a first support frame 15 and a second support frame 16, the rotating tube 11 is rotationally connected with the first support frame 15, the stirring plate 14 is connected with the screw rod 13 through a nut 17, and the nut 17 is matched with the screw rod 13.
[0027] The end of the rotating tube 11 extending out of the first tank body 2 is fixedly connected with a driven wheel 20, the first motor 10 is fixed on the outer side wall of the first tank body 2, the output shaft of the first motor 10 is fixedly connected with a driving wheel 19, the driving wheel 19 is in transmission connection with the driven wheel 20, the outer side wall of the rotating tube 11 is provided with a sliding groove 21, the stirring plate 14 is arranged in the interior of the sliding groove 21, the end of the screw rod 13 extending out of the rotating tube 11 is connected with the second motor 12, the second motor 12 is fixed on the upper portion of the first tank body 2 through the second support frame 16, the first motor 10 and the second motor 12 are started, the first motor 10 drives the driving wheel 19 to drive the driven wheel 20 to rotate, thereby making the rotating tube 11 rotate, the rotating tube 11 drives the stirring plate 14 to rotate, the second motor 12 drives the screw rod 13 arranged in the interior of the rotating tube 11 to rotate, thereby making the nut 17 matched with the screw rod 13 move up and down, the stirring plate 14 moves up and down, the position of the stirring plate 14 can be adjusted, so that the stirring is more flexible and sufficient.
[0028] The end of the oil extraction pipe 4 extending into the second tank body 3 is provided with a water pump 26, which is used for extracting the crude oil after settlement in the interior of the first tank body 2 into the second tank body 3 to continue the secondary dewatering treatment, the exterior of the second tank body 3 is provided with a controller, the heating part 8 comprises a plurality of layers of partition plates 22, the interior of each partition plate 22 is provided with a heating plate 23 and a heat conducting layer 24, each partition plate 22 is provided with a through hole 27 for the circulation of the crude oil, the controller is connected with the heating plate 23, and the temperature of the heating plate 23 is adjusted through the controller.
[0029] The top of the second tank body 3 is provided with a steam outlet 25, the water vapor generated in the interior of the second tank body 3 due to heating of the crude oil is discharged in time, and the quality of the crude oil dewatering is effectively improved.
[0030] Working principle: when the dewatering device is used again, the crude oil flows into the inside of the first tank body 2 through the crude oil inlet 5, the demulsifier is put into the inside of the first tank body 2 through the demulsifier inlet 6, the first motor 10 is started, the driving wheel 19 drives the driven wheel 20 to rotate, the driven wheel 20 drives the rotating pipe 11 to rotate, the rotating pipe 11 drives the stirring plate 14 to rotate, the crude oil is stirred, the second motor 12 is started, the second motor 12 drives the screw rod 13 to rotate, the nut 17 cooperating with the screw rod 13 moves up and down, the stirring plate 14 moves up and down, the stirring position of the stirring plate 14 can be adjusted, after sufficient stirring is completed, the demulsifier and the crude oil are fully mixed and oil-water separation is carried out, after a certain time of sedimentation, oil and water are layered, then the water pump 26 is started, the oil in the upper layer is pumped into the inside of the second tank body 3, the separated water in the lower layer flows out of the first tank body 2 through the water outlet 7, secondary dewatering treatment is carried out, the heating plate 23 is opened through the controller and is set to a suitable temperature, the oil flowing into the second tank body 3 flows through the multiple layer separation plates 22 in turn, the crude oil is fully heated, the water remaining in the crude oil is heated and evaporated, the water vapor generated by evaporation is discharged out of the second tank body 3 through the steam discharge outlet, and the crude oil after heating treatment finally flows into the oil collecting barrel 9, and then flows out of the second tank body 3 through the oil outlet 18, and the crude oil dewatering treatment is completed.
[0031] Therefore, the novel crude oil dewatering device with the above structure has the advantages that: the stirring mechanism is arranged in the inside of the first tank body, the demulsifier and the crude oil are fully mixed and oil-water separation is carried out, the heating part is arranged in the inside of the second tank body, the crude oil is subjected to secondary dewatering treatment, and the water remaining in the crude oil is evaporated, so that the dewatering effect is greatly improved.
[0032] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model and not to limit them, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solutions of the utility model can still be modified or replaced equivalently, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the utility model.
Claims
1. A novel crude oil dehydration unit characterized in that: The utility model provides a crude oil demulsification device, including support, first tank body and second tank body, first tank body and second tank body are fixed on the support, be provided with oil pumping pipe between first tank body and second tank body, the inside of first tank body is provided with stirring mechanism, the top of first tank body is provided with crude oil inlet and demulsifier inlet, the bottom of first tank body is provided with water outlet, the inside of second tank body is provided with heating part and oil collecting bucket, heating part sets up at the top of oil collecting bucket, the bottom of second tank body is provided with oil outlet, The stirring mechanism includes a first motor, a rotating tube, a second motor, a lead screw, and a stirring plate, the lead screw is arranged in the rotating tube and rotationally connected with the rotating tube, the lower end of the rotating tube is rotationally connected with the bottom of the first tank body.
2. A novel crude oil dehydration unit as claimed in claim 1, wherein: The first tank body is provided with a first support frame and a second support frame above, the rotating tube is rotationally connected with the first support frame, the stirring plate is connected with the lead screw through a nut, and the nut is matched with the lead screw.
3. A novel crude oil dehydration unit as claimed in claim 2, wherein: One end of the rotating tube extending out of the first tank body is fixedly connected with a driven wheel, the first motor is fixed on the outer sidewall of the first tank body, the output shaft of the first motor is fixedly connected with a driving wheel, the driving wheel is in transmission connection with the driven wheel, and one end of the lead screw extending out of the rotating tube is connected with the second motor.
4. A novel crude oil dehydration unit as claimed in claim 2, wherein: The second motor is fixed on the top of the first tank body through the second support frame.
5. A novel crude oil dehydration unit as claimed in claim 3, wherein: The outer sidewall of the rotating tube is provided with a chute, and the stirring plate is arranged in the chute.
6. A novel crude oil dehydration unit as claimed in claim 1, wherein: One end of the oil pumping pipe extending into the second tank body is provided with a water pump, and the outside of the second tank body is provided with a controller.
7. A novel crude oil dehydration unit as claimed in claim 6, wherein: The heating part includes multiple layers of partition plates, the inside of the partition plate is provided with a heating plate and a heat conducting layer, each layer of the partition plate is provided with a through hole, and the controller is connected with the heating plate.
8. A novel crude oil dehydration unit as claimed in claim 6, wherein: The top of the second tank body is provided with a steam outlet.