Centrifugal dewatering skid-mounted device for aging oil

Abstract

The utility model relates to the technical field of aging oil treatment, in particular to an aging oil centrifugal dewatering skid-mounted device. The aging oil centrifugal dewatering skid-mounted device comprises a skid-mounted seat, the skid-mounted seat is provided with a top-layer space, a middle-layer space and a bottom-layer space, and a plurality of load universal wheels are uniformly mounted at the bottom end of the skid-mounted seat; the control box is mounted on one side of the skid-mounted seat; the oil well pump I, the electric heating furnace, the oil well pump II and the infusion pump are arranged in the top layer space; a stirring assembly is mounted in the electric heating furnace; the horizontal centrifugal separator and the demulsifier tank are arranged in the middle-layer space; the slag collecting box, the sewage collecting tank and the purified oil collecting tank are arranged in the bottom layer space; the residue collecting box is arranged below a residue discharging opening of the horizontal centrifugal separator, the sewage collecting tank is communicated with the water discharging end of the horizontal centrifugal separator through a guide pipe, and the purified oil collecting tank is communicated with the oil discharging end of the horizontal centrifugal separator. The aging oil centrifugal dewatering skid-mounted device has the advantages of being convenient to transfer and move and high in treatment efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of aged oil treatment, in particular to a skid-mounted device for centrifugal dehydration of aged oil. Background Art

[0002] Aged oil, also known as aged crude oil, refers to the crude oil emulsion whose emulsification state becomes increasingly stable during the crude oil production and processing process due to the influence of various factors such as chemicals, mechanical impurities, colloid asphalt, bacteria, air, and cyclic shear.

[0003] Among them, the treatment of aged oil is mostly to transport it into a three-phase horizontal screw centrifuge through a pump. The centrifuge rotates at high speed. Under the action of large centrifugal force, the high-density solids (sludge) settle to the drum wall. For the aged oil in the oil tanks in the crude oil storage tank area, due to its long sedimentation time and high viscosity, if it is directly dehydrated by a centrifuge, the efficiency is low, so it must be heated and demulsifiers must be added to reduce the viscosity. At the same time, for each independent storage tank, the traditional fixed aged oil treatment equipment is not convenient to move to the corresponding oil tank for dehydration treatment.

[0004] Therefore, it is necessary to provide a new skid-mounted device for centrifugal dehydration of aged oil to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a skid-mounted centrifugal dehydration device for aged oil which is easy to transport and move and has high processing efficiency.

[0006] The skid-mounted device for centrifugal dehydration of aged oil provided by the utility model comprises: a skid-mounted seat, wherein the skid-mounted seat is provided with a top space, a middle space and a bottom space through a support plate and a support rod, and a plurality of load universal wheels are evenly installed at the bottom end of the skid-mounted seat;

[0007] A control box is installed on one side of the skid-mounted seat;

[0008] A first oil pump, an electric heating furnace, a second oil pump and a liquid pump arranged in the top space;

[0009] The liquid inlet end of the oil pump 1 is connected with an oil inlet conduit, the electric furnace is equipped with an oil guide pipe connected with the internal furnace body thereof, the oil guide pipe is connected with the liquid outlet end of the oil pump 1, and the oil guide pipe is connected with a side passage pipe, the side passage pipe is connected with the liquid outlet end of the liquid pump, the liquid inlet end of the oil pump 2 is connected with the internal furnace body of the electric furnace, and a stirring assembly is installed in the electric furnace;

[0010] A horizontal centrifugal separator and a demulsifier tank arranged in the middle space;

[0011] The liquid inlet end of the horizontal centrifugal separator is connected to the liquid outlet end of the second oil pump, the demulsifier tank is filled with demulsifier, and the demulsifier tank is connected to the liquid inlet end of the oil pump through a conduit;

[0012] A slag collecting box, a sewage collecting tank and a purified oil collecting tank arranged in the bottom space;

[0013] The slag collecting box is arranged below the slag discharge port of the horizontal centrifugal separator, the sewage collecting tank is communicated with the drainage end of the horizontal centrifugal separator through a conduit, and the purified oil collecting tank is communicated with the oil discharge end of the horizontal centrifugal separator.

[0014] Preferably, the oil pump 1, the electric heating furnace, the oil pump 2, the liquid pump and the horizontal centrifuge are all electrically connected to the control box.

[0015] Preferably, the stirring assembly includes a hollow tube, which is rotatably installed in the internal furnace body of the electric heating furnace, and a driving motor for driving the hollow tube to rotate is installed on the electric heating furnace, and the driving motor is electrically connected to the control box. A plurality of stirring rods are evenly installed on one end of the hollow tube extending into the interior of the electric heating furnace.

[0016] Preferably, an air duct is installed at one end of the electric heating furnace away from the driving motor, and the air duct covers one end of the hollow tube inside, and the air duct is sequentially embedded with a dustproof net, a sponge layer, an electric heating mesh plate and a fan from the outside to the inside, several of the stirring rods are provided with an air guide channel connected to the hollow tube, and air nozzles are installed at the front end of several of the stirring rods.

[0017] Preferably, a one-way valve is embedded in the air nozzle.

[0018] Preferably, the side passage pipe is obliquely inserted into the oil guide pipe.

[0019] Compared with the related art, the skid-mounted device for centrifugal dehydration of aged oil provided by the utility model has the following beneficial effects:

[0020] 1. The utility model provides a skid-mounted device for centrifugal dehydration of aged oil, which centrally mounts the processing equipment for dehydration of aged oil on a skid-mounted seat, and a load universal wheel is installed on the skid-mounted seat, which is convenient for transportation between different oil storage tanks;

[0021] 2. An electric heating furnace is set in the top space, and a stirring component is set in the electric heating furnace. After the aged oil is pumped into the electric heating furnace, the demulsifier is simultaneously transported into the electric heating furnace, and then the stirring component is started to accelerate the demulsification and dehydration of the late aged oil and improve the dehydration treatment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1A schematic structural diagram of a preferred embodiment of the skid-mounted device for centrifugal dehydration of aged oil provided by the utility model;

[0023] Figure 2 A schematic structural diagram of the skid-mounted device for centrifugal dehydration of aged oil provided by the utility model from another perspective;

[0024] Figure 3 A schematic structural diagram of a cross section of a skid-mounted device for centrifugal dehydration of aged oil provided by the utility model;

[0025] Figure 4 The utility model provides a structural schematic diagram of an electric heating furnace in which a stirring component is installed.

[0026] Numbers in the figure: 1. Skid-mounted seat; 101. Top space; 102. Middle space; 103. Bottom space; 11. Oil pump 1; 111. Oil inlet duct; 12. Electric furnace; 121. Oil guide pipe; 122. Side pipe; 13. Oil pump 2; 14. Liquid pump; 21. Horizontal centrifuge; 22. Demulsifier tank; 2. Load universal wheel; 3. Stirring assembly; 31. Hollow tube; 32. Drive motor; 33. Stirring rod; 34. Air duct; 35. Dustproof net; 36. Sponge layer; 37. Electric heating mesh plate; 38. Fan; 39. Air nozzle; 301. Air guide channel; 4. Control box; 5. Slag box; 6. Sewage collection tank; 7. Purified oil collection tank. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0028] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0029] See also Figures 1 to 4 The present invention provides a skid-mounted device for centrifugal dehydration of aged oil, and the skid-mounted device for centrifugal dehydration of aged oil comprises:

[0030] A skid-mounted seat 1, wherein the skid-mounted seat 1 is provided with a top space 101, a middle space 102 and a bottom space 103 through a support plate and a support rod, and a plurality of load-bearing universal wheels 2 are evenly installed at the bottom end of the skid-mounted seat 1; a control box 4 is installed on one side of the skid-mounted seat 1;

[0031] It also includes: an oil pump 11, an electric furnace 12, an oil pump 2 13 and a liquid pump 14 arranged in the top space 101; the liquid inlet end of the oil pump 11 is connected with an oil inlet conduit 111, the electric furnace 12 is installed with an oil guide pipe 121 connected with its internal furnace body, the oil guide pipe 121 is connected with the liquid outlet end of the oil pump 11, and the oil guide pipe 121 is connected with a side pipe 122, the side pipe 122 is connected with the liquid outlet end of the liquid pump 14, the liquid inlet end of the oil pump 2 13 is connected with the internal furnace body of the electric furnace 12, and the electric furnace 12 is installed with a stirring assembly 3;

[0032] A horizontal centrifugal separator 21 and a demulsifier tank 22 are arranged in the middle space 102; the liquid inlet end of the horizontal centrifugal separator 21 is connected to the liquid outlet end of the oil pump 13, the demulsifier tank 22 is filled with demulsifier, and the demulsifier tank 22 is connected to the liquid inlet end of the oil pump 14 through a conduit;

[0033] The slag collecting box 5, the sewage collecting tank 6 and the purified oil collecting tank 7 are arranged in the bottom space 103; the slag collecting box 5 is set below the slag discharge port of the horizontal centrifuge 21, the sewage collecting tank 6 is connected to the drainage end of the horizontal centrifuge 21 through a conduit, and the purified oil collecting tank 7 is connected to the oil discharge end of the horizontal centrifuge 21.

[0034] The oil pump 1 11 , the electric heating furnace 12 , the oil pump 2 13 , the liquid pump 14 and the horizontal centrifuge 21 are all electrically connected to the control box 4 .

[0035] It should be noted that: when in use, by setting the load universal wheel 2, the entire skid-mounted seat 1 can be pushed to move to the corresponding oil storage tank, and then the oil inlet conduit 111 is used to connect with the aged oil outlet of the oil storage tank, so as to start the oil pump 11 to transport the oil to the inner furnace of the electric heating furnace 12. During the transportation, the liquid pump 14 is started synchronously to synchronously transport the demulsifier in the demulsifier box 22 to the inner furnace of the electric heating furnace 12, and the electric heating furnace 12 is controlled to heat, and then the stirring component 3 is controlled to stir it fully to promote demulsification. The stirred oil is introduced into the horizontal centrifuge 21 through the oil pump 2 13, and is centrifugally dehydrated, and the centrifugally dehydrated filter residue is discharged into the slag collecting box 5, the separated sewage is discharged into the sewage collecting tank 6, and the purified oil is discharged into the purified oil collecting tank 7, thereby completing the centrifugal dehydration of the aged oil.

[0036] In this embodiment, the side passage 122 is obliquely inserted into the oil guide pipe 121, so that the demulsifier is transported to the oil guide pipe 121 through the side passage 122, which can impact the oil in the oil guide pipe 121, thereby dispersing and diluting it, which is convenient for demulsification.

[0037] In the embodiments of the present invention, please refer to Figures 1 to 4 The stirring assembly 3 includes a hollow tube 31, which is rotatably mounted in the inner furnace body of the electric heating furnace 12, and a driving motor 32 for driving the hollow tube 31 to rotate is installed on the electric heating furnace 12, and the driving motor 32 is electrically connected to the control box 4, and a plurality of stirring rods 33 are evenly mounted on one end of the hollow tube 31 extending into the inner part of the electric heating furnace 12;

[0038] It should be noted that when the stirring assembly 3 is used, the driving motor 32 is started to drive the hollow tube 31 to drive the stirring rod 33 to rotate, thereby heating and stirring the oil and demulsifier in the electric furnace 12 to allow them to fully contact and react.

[0039] In the embodiments of the present invention, please refer to Figures 1 to 4 The end of the electric furnace 12 away from the driving motor 32 is equipped with an air duct 34, and the air duct 34 covers one end of the hollow tube 31, and the air duct 34 is sequentially embedded with a dustproof net 35, a sponge layer 36, an electric heating mesh plate 37 and a fan 38 from the outside to the inside, and a plurality of the stirring rods 33 are provided with an air guide channel 301 connected to the hollow tube 31, and a plurality of the stirring rods 33 are equipped with an air nozzle 39 at the front end;

[0040] Wherein, the air nozzle 39 is embedded with a one-way valve.

[0041] It should be noted that: when the stirring rod 33 is stirring, the fan 38 and the electric heating mesh plate 37 are started synchronously, and the hot air is continuously blown into the hollow tube 31, and then flows to the air nozzle 39 through the air guide channel 301, and the hot air is blown to the oil in the electric heating furnace 12 through the air nozzle 39 to further strengthen the stirring, and the air duct 34 removes dust from the blown air through the dustproof net 35 and the sponge layer 36.

[0042] The working principle of the skid-mounted device for centrifugal dehydration of aged oil provided by the utility model is as follows:

[0043] When in use, by setting the load universal wheel 2, the entire skid-mounted seat 1 can be pushed to move to the corresponding oil storage tank, and then the oil inlet conduit 111 is connected to the aging oil outlet of the oil storage tank, so as to start the oil pump 11 to transport the oil to the inner furnace of the electric heating furnace 12, and the liquid pump 14 is started synchronously during transportation to synchronously transport the demulsifier in the demulsifier box 22 to the inner furnace of the electric heating furnace 12, and control the heating of the electric heating furnace 12, and then start the driving motor 32 to drive the hollow tube 31 to drive the stirring rod 33 to rotate, so as to heat and stir the oil and demulsifier in the electric heating furnace 12, and then start the fan synchronously. The hot air is continuously blown into the hollow tube 31 by the machine 38 and the electric heating mesh plate 37, and then flows to the air nozzle 39 through the air guide channel 301, and the hot air is blown to the oil in the electric heating furnace 12 through the air nozzle 39 to further strengthen the stirring, so that it can fully contact and react, and then the stirred oil is introduced into the horizontal centrifugal separator 21 through the oil pump 13 for centrifugal dehydration, and the filter residue of the centrifugal dehydration is discharged into the slag collecting box 5, the separated sewage is discharged into the sewage collecting tank 6, and the purified oil is discharged into the purified oil collecting tank 7, thereby completing the centrifugal dehydration of the aged oil.

[0044] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0045] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A skid-mounted device for centrifugal dehydration of aged oil, comprising: A skid-mounted seat (1), wherein the skid-mounted seat (1) is provided with a top space (101), a middle space (102) and a bottom space (103) through a support plate and a support rod, and a plurality of load-bearing universal wheels (2) are evenly mounted at the bottom end of the skid-mounted seat (1); A control box (4) is mounted on one side of the skid-mounted seat (1); It is characterized by further comprising: An oil pump 1 (11), an electric heating furnace (12), an oil pump 2 (13) and a liquid pump (14) arranged in the top space (101); The liquid inlet end of the oil pump (11) is connected to an oil inlet conduit (111); the electric heating furnace (12) is provided with an oil guide pipe (121) connected to the internal furnace body thereof; the oil guide pipe (121) is connected to the liquid outlet end of the oil pump (11); the oil guide pipe (121) is connected to a side passage pipe (122); the side passage pipe (122) is connected to the liquid outlet end of the liquid pump (14); the liquid inlet end of the oil pump (13) is connected to the internal furnace body of the electric heating furnace (12); and a stirring assembly (3) is installed in the electric heating furnace (12); A horizontal centrifugal separator (21) and a demulsifier tank (22) arranged in the middle space (102); The liquid inlet end of the horizontal centrifugal separator (21) is connected to the liquid outlet end of the second oil pump (13), the demulsifier tank (22) is filled with demulsifier, and the demulsifier tank (22) is connected to the liquid inlet end of the oil pump (14) through a conduit; A slag collecting box (5), a sewage collecting tank (6) and a purified oil collecting tank (7) arranged in the bottom space (103); The slag collecting box (5) is arranged below the slag discharge port of the horizontal centrifugal separator (21), the sewage collecting tank (6) is connected to the drainage end of the horizontal centrifugal separator (21) through a conduit, and the purified oil collecting tank (7) is connected to the oil discharge end of the horizontal centrifugal separator (21).

2. The skid-mounted device for centrifugal dehydration of aged oil according to claim 1, characterized in that: The oil pump 1 (11), the electric heating furnace (12), the oil pump 2 (13), the liquid pump (14) and the horizontal centrifugal separator (21) are all electrically connected to the control box (4).

3. The skid-mounted device for centrifugal dehydration of aged oil according to claim 1, characterized in that: The stirring assembly (3) comprises a hollow tube (31), the hollow tube (31) being rotatably mounted in the internal furnace body of the electric heating furnace (12), and a driving motor (32) for driving the hollow tube (31) to rotate is mounted on the electric heating furnace (12), the driving motor (32) being electrically connected to a control box (4), and a plurality of stirring rods (33) are evenly mounted on one end of the hollow tube (31) extending into the interior of the electric heating furnace (12).

4. The skid-mounted device for centrifugal dehydration of aged oil according to claim 3, characterized in that: An air duct (34) is installed at one end of the electric heating furnace (12) away from the driving motor (32), the air duct (34) covers one end of the hollow tube (31) inside, and the air duct (34) is embedded with a dustproof net (35), a sponge layer (36), an electric heating mesh plate (37) and a fan (38) in sequence from the outside to the inside, and a plurality of the stirring rods (33) are provided with an air guide channel (301) connected to the hollow tube (31), and a plurality of the stirring rods (33) are provided with an air nozzle (39) at the front end.

5. The skid-mounted device for centrifugal dehydration of aged oil according to claim 4, characterized in that: The gas nozzle (39) is embedded with a one-way valve.

6. The skid-mounted device for centrifugal dehydration of aged oil according to claim 1, characterized in that: The side passage pipe (122) is inserted obliquely on the oil guide pipe (121).

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