Oil pressing, refining, freezing, filtering and dewaxing device

Abstract

The utility model discloses an oil pressing refining freezing filtering dewaxing device which comprises a crude oil barrel, a primary dewaxing barrel and a cold and hot water barrel, the top of the crude oil barrel is connected with an oil inlet pipe, the bottom of the crude oil barrel is connected with a heating base, and the bottom of the heating base is connected with a supporting bottom frame. The primary dewaxing barrel is arranged on one side of a crude oil barrel, a secondary dewaxing barrel is arranged on the side, away from the crude oil barrel, of the primary dewaxing barrel, a dewaxing connecting pipe is connected between the primary dewaxing barrel and the secondary dewaxing barrel, and the outer side of the primary dewaxing barrel and the outer side of the secondary dewaxing barrel are each connected with a fixed bottom frame; the top of the primary dewaxing barrel and the top of the secondary dewaxing barrel are both connected with stirring motors, the cold and hot water barrel is arranged on the side, away from the primary dewaxing barrel, of the secondary dewaxing barrel, the dewaxing rate of refined oil is high through two-time freezing dewaxing, and the cooling adsorption dewaxing equipment can conveniently recycle and collect adsorbed wax.

Description

Technical Field

[0001] The utility model relates to the technical field of oil refining and pressing, in particular to an oil pressing, refining, freezing, filtering and dewaxing device. Background Art

[0002] Dewaxing is one of the important processes in oil refining engineering. It is closely related to degumming, deacidification, decolorization and deodorization. It is an indispensable process for producing high-grade salad oil. Wax is essentially wax ester composed of C20--C28 higher fatty acids and C22--C30 higher fatty acids.

[0003] The patent with application number CN202311192388.5 was retrieved and proposed a low-temperature petroleum dewaxing device, which can increase the petroleum dewaxing area and improve the dewaxing efficiency to adapt to a large amount of petroleum dewaxing work.

[0004] Similar to the above-mentioned petroleum low-temperature dewaxing device, although it can increase the petroleum dewaxing area and improve the dewaxing efficiency to adapt to a large amount of petroleum dewaxing work, its method of recovering wax by scraper is not easy to collect wax, and it is impossible to completely scrape off the wax attached to the low-temperature component, and some residues will remain, resulting in a low recovery rate.

[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and an oil pressing, refining, freezing, filtering and dewaxing device is proposed, in order to achieve a more practical purpose. Utility Model Content

[0006] The purpose of the utility model is to provide an oil pressing, refining, freezing, filtering and dewaxing device to solve the problem that the above-mentioned low-temperature dewaxing device of petroleum, which recovers waxy substances by a scraper, is not easy to collect the wax and cannot completely scrape off the wax attached to the low-temperature component, and some wax will remain, resulting in a low recovery rate.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oil pressing, refining, freezing, filtering and dewaxing device, comprising a crude oil barrel, a primary dewaxing barrel and a cold and hot water barrel, the top of the crude oil barrel is connected with an oil inlet pipe, the bottom of the crude oil barrel is connected with a heating base, and the bottom of the heating base is connected with a supporting frame, the primary dewaxing barrel is arranged on one side of the crude oil barrel, and a secondary dewaxing barrel is arranged on the side of the primary dewaxing barrel away from the crude oil barrel, a dewaxing connecting pipe is connected between the primary dewaxing barrel and the secondary dewaxing barrel, the outer sides of the primary dewaxing barrel and the secondary dewaxing barrel are both connected with a fixed base, and the tops of the primary dewaxing barrel and the secondary dewaxing barrel are both connected with a stirring motor, the cold and hot water barrel is arranged on the side of the secondary dewaxing barrel away from the primary dewaxing barrel, and a hot water inlet pipe and a cold water inlet pipe are arranged on the side of the cold and hot water barrel away from the secondary dewaxing barrel.

[0008] Preferably, an oil pump is provided on one side of the oil inlet pipe, a connecting oil pipe is connected between the oil pump and the primary dewaxing barrel, an oil extraction pipe is provided at the connection between the oil pump and the crude oil barrel, a water pump is connected to the supporting base frame, and a water pipe is connected between the water pump and the primary dewaxing barrel.

[0009] Preferably, a stirring rod is connected to the bottom of the stirring motor, and two groups of dewaxing tube connecting frames are provided inside the primary dewaxing barrel and the secondary dewaxing barrel, and the two groups of dewaxing tube connecting frames are arranged on both sides of the stirring rod, and a dewaxing tube is wound between the two groups of dewaxing tube connecting frames.

[0010] Preferably, a return pipe is connected between the secondary dewaxing barrel and the hot and cold water barrels, and the two ends of the dewaxing pipe in the primary dewaxing barrel are respectively connected to the water supply pipe and the dewaxing connecting pipe, and the two ends of the dewaxing pipe in the secondary dewaxing barrel are respectively connected to the return pipe and the dewaxing connecting pipe.

[0011] Preferably, the bottoms of the primary dewaxing barrel and the secondary dewaxing barrel are both connected to wax outlet pipes, the bottom of the primary dewaxing barrel is connected to a No. 1 oil outlet valve, and an oil pipeline is connected between the No. 1 oil outlet valve and the secondary dewaxing barrel, the bottom of the secondary dewaxing barrel is connected to a No. 2 oil outlet valve, and an oil outlet pipe is connected to the No. 2 oil outlet valve.

[0012] Preferably, a heating water bucket and a cooling water bucket as well as an outlet intelligent water valve and a return intelligent water valve are provided in the hot and cold water buckets, and connecting water pipes are connected between the heating water bucket and the cooling water bucket and the outlet intelligent water valve and the return intelligent water valve.

[0013] Preferably, a water supply pipe is connected between the outlet intelligent water valve and the water supply pump, the return water intelligent water valve is connected to the return water pipe, the dewaxing pipe, the water supply pipe and the dewaxing connecting pipe all include an outer water pipe and an inner water pipe, and the water supply pipe and the return water pipe all include an outer water pipe and an inner water pipe.

[0014] Compared with the prior art, the utility model has the following beneficial effects: after two freezing dewaxing processes, the dewaxing rate of refined oil is high, and the cooling adsorption dewaxing equipment is convenient for recovering and collecting the adsorbed wax. The specific contents are as follows:

[0015] The oil and water in the crude oil barrel are heated by the heating base, so that the wax in the oil and water is completely integrated into the oil, and the heated crude oil is first dewaxed in the primary dewaxing barrel, and after the first dewaxing, it enters the second dewaxing barrel through the dewaxing connecting pipe for secondary dewaxing. During the dewaxing process, the primary dewaxing barrel and the second dewaxing barrel are stirred by the stirring motor to fully dewax, hot water flows in the inner water pipes of each pipeline, cooling water flows in the outer water pipes of each pipeline, and cooling water flows in each pipeline. When flowing in the outer water pipe, the wax in the crude oil is adsorbed on the dewaxing pipe, and when the heated water flows in the inner water pipe in each pipeline, the lipid adsorbed on the dewaxing pipe melts and falls off the dewaxing pipe, and the crude oil in the primary dewaxing barrel enters the secondary dewaxing barrel through the No. 1 oil outlet valve via the oil pipeline, and the crude oil that is secondarily dewaxed in the secondary dewaxing barrel is discharged through the No. 2 oil outlet valve via the oil outlet pipe, and the wax in the primary dewaxing barrel and the secondary dewaxing barrel is discharged from their respective connected wax outlet pipes after melting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of the main body of an oil pressing, refining, freezing, filtering and dewaxing device of the utility model;

[0017] Figure 2 It is a schematic structural diagram of the side section of a crude oil barrel of an oil pressing, refining, freezing, filtering and dewaxing device according to the utility model;

[0018] Figure 3 It is a schematic structural diagram of the side section of a primary dewaxing barrel of an oil pressing, refining, freezing, filtering and dewaxing device according to the utility model;

[0019] Figure 4 It is a schematic structural diagram of the side section of a cold and hot water barrel of an oil pressing, refining, freezing, filtering and dewaxing device of the utility model;

[0020] Figure 5 The utility model is a structural schematic diagram of a dewaxing tube of an oil pressing, refining, freezing, filtering and dewaxing device.

[0021] In the figure: 1. crude oil barrel; 11. heating base; 12. supporting frame; 13. oil inlet pipe; 14. oil pump; 141. connecting oil pipe; 142. oil extraction pipe; 15. water pump; 151. water pipe; 2. primary dewaxing barrel; 21. No. 1 oil outlet valve; 211. oil pipe; 22. wax outlet pipe; 3. secondary dewaxing barrel; 31. No. 2 oil outlet valve; 311. oil outlet pipe; 4. hot and cold water barrel; 41. heating water barrel; 42. cooling water barrel; 43. water outlet intelligent valve; 431. water supply pipe; 44. return water intelligent valve; 441. return water pipe; 45. connecting water pipe; 5. stirring motor; 51. stirring rod; 52. dewaxing pipe connecting frame; 53. dewaxing pipe; 531. outer water pipe; 532. inner water pipe; 6. fixed frame; 7. dewaxing connecting pipe. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figures 1 to 5 The utility model provides a technical solution: an oil pressing, refining, freezing, filtering and dewaxing device, comprising a crude oil barrel 1, a primary dewaxing barrel 2 and a cold and hot water barrel 4, the top of the crude oil barrel 1 is connected with an oil inlet pipe 13, the bottom of the crude oil barrel 1 is connected with a heating base 11, and the bottom of the heating base 11 is connected with a supporting base frame 12, the primary dewaxing barrel 2 is arranged on one side of the crude oil barrel 1, and a secondary dewaxing barrel 3 is arranged on the side of the primary dewaxing barrel 2 away from the crude oil barrel 1, a dewaxing connecting pipe 7 is connected between the primary dewaxing barrel 2 and the secondary dewaxing barrel 3, the outer sides of the primary dewaxing barrel 2 and the secondary dewaxing barrel 3 are connected with a fixed base frame 6, and the tops of the primary dewaxing barrel 2 and the secondary dewaxing barrel 3 are connected with a stirring motor 5, and the cold and hot water barrel 4 is arranged on the side of the secondary dewaxing barrel 3 away from the primary dewaxing barrel 2.

[0024] The crude oil barrel 1 is placed on the ground through a supporting base 12, and the oil to be dewaxed enters the crude oil barrel 1 through an oil inlet pipe 13, and the oil and water in the crude oil barrel 1 are heated by a heating base 11, so that the wax in the oil and water is completely integrated into the oil, and the heated crude oil is initially dewaxed in the primary dewaxing barrel 2, and after the initial dewaxing, enters the second dewaxing barrel 3 through a dewaxing connecting pipe 7 for secondary dewaxing, and the primary dewaxing barrel 2 and the second dewaxing barrel 3 are stirred by a stirring motor 5 during the dewaxing process to be fully dewaxed.

[0025] An oil pump 14 is provided on one side of the oil inlet pipe 13, an oil connecting pipe 141 is connected between the oil pump 14 and the primary dewaxing barrel 2, an oil extraction pipe 142 is provided at the connection between the oil pump 14 and the crude oil barrel 1, a water pump 15 is connected to the support frame 12, and a water pipe 151 is connected between the water pump 15 and the primary dewaxing barrel 2, a stirring rod 51 is connected to the bottom of the stirring motor 5, and two sets of dewaxing pipe connecting frames 52 are provided inside the primary dewaxing barrel 2 and the secondary dewaxing barrel 3, and the two sets of dewaxing pipe connecting frames 5 2 is arranged on both sides of the stirring rod 51, and a dewaxing pipe 53 is wound between the two groups of dewaxing pipe connecting frames 52. The crude oil in the crude oil barrel 1 is extracted by the oil pump 14 through the oil extraction pipe 142, and is input into the primary dewaxing barrel 2 through the connecting oil pipe 141. The stirring motor 5 drives the stirring rod 51 to rotate, so that the crude oil in the primary dewaxing barrel 2 and the second dewaxing barrel 3 is fully stirred by the stirring rod 51, and the wax precipitated in the crude oil is adsorbed on the dewaxing pipe 53, and the dewaxing pipe 53 is installed and connected to the two groups of dewaxing pipe connecting frames 52.

[0026] The hot and cold water barrel 4 is provided with a heating water barrel 41 and a cooling water barrel 42 as well as an outlet intelligent water valve 43 and a return water intelligent water valve 44. A connecting water pipe 45 is connected between the heating water barrel 41 and the cooling water barrel 42 and the outlet intelligent water valve 43 and the return water intelligent water valve 44. A water supply pipe 431 is connected between the outlet intelligent water valve 43 and the water supply pump 15. The return water intelligent water valve 44 is connected to the return water pipe 441. The dewaxing pipe 53, the water supply pipe 151 and the dewaxing connecting pipe 7 all include an outer water pipe 531 and an inner water pipe 532, and the water supply pipe 431 and the return water intelligent water valve 44 are connected to each other. The water pipe 441 includes an outer water pipe 531 and an inner water pipe 532. The heating water barrel 41 is used to heat the hot water for melting the wax, and the cooling water barrel 42 is used to cool the cooling water for dewaxing. The cooling water in the cooling water barrel 42 enters the water outlet intelligent water valve 43 through the connecting water pipe 45, and enters the water supply pipe 431 through the intelligent water valve 43, and then enters the dewaxing pipe 53 in the primary dewaxing barrel 2 through the water supply pipe 151 via the water supply pump 15, and then enters the dewaxing pipe 53 in the secondary dewaxing barrel 3 through the dewaxing connecting pipe 7, and then The hot water in the heating water bucket 41 enters the water outlet intelligent water valve 43 through the connecting water pipe 45, and enters the water delivery pipe 431 through the intelligent water valve 43, and then enters the dewaxing pipe 53 in the primary dewaxing barrel 2 through the water delivery pipe 151 via the water delivery pump 15, and then enters the dewaxing pipe 53 in the secondary dewaxing barrel 3 through the dewaxing connecting pipe 7, and then enters the dewaxing pipe 53 in the secondary dewaxing barrel 3 through the return water pipe 441. 41 enters into the return water intelligent water valve 44, and flows back to the heating water bucket 41 through the connecting water pipe 45 for reheating, thereby realizing the heating water circulation, and the heating water flows in the inner water pipe 532 in each pipeline, and the cooling water flows in the outer water pipe 531 in each pipeline, and when the cooling water flows in the outer water pipe 531 in each pipeline, the wax in the crude oil is adsorbed on the dewaxing tube 53, and when the heating water flows in the inner water pipe 532 in each pipeline, the lipid adsorbed on the dewaxing tube 53 melts and falls off from the dewaxing tube 53.

[0027] A return pipe 451 is connected between the secondary dewaxing barrel 3 and the hot and cold water barrel 4, and the two ends of the dewaxing pipe 53 in the primary dewaxing barrel 2 are respectively connected to the water pipe 151 and the dewaxing connecting pipe 7, and the two ends of the dewaxing pipe 53 in the secondary dewaxing barrel 3 are respectively connected to the return pipe 451 and the dewaxing connecting pipe 7, and the bottoms of the primary dewaxing barrel 2 and the secondary dewaxing barrel 3 are both connected to a wax outlet pipe 22, and the bottom of the primary dewaxing barrel 2 is connected to a No. 1 oil outlet valve 21, and a No. 1 oil outlet valve 21 and the secondary dewaxing barrel 3 are connected. The bottom of the secondary dewaxing barrel 3 is connected to an oil outlet valve No. 2 31, and the oil outlet valve No. 2 31 is connected to an oil outlet pipe 311. The crude oil in the primary dewaxing barrel 2 enters the secondary dewaxing barrel 3 through the oil outlet valve No. 1 21 and the oil outlet pipe 211, and the crude oil that has undergone secondary dewaxing in the secondary dewaxing barrel 3 is discharged through the oil outlet pipe 311 through the oil outlet valve No. 2 31, and the wax in the primary dewaxing barrel 2 and the secondary dewaxing barrel 3 is discharged from the wax outlet pipes 22 connected to them respectively after melting.

[0028] Working principle: When using an oil pressing, refining, freezing, filtering and dewaxing device, the oil to be dewaxed first enters the crude oil barrel 1 through the oil inlet pipe 13, and the oil and water in the crude oil barrel 1 are heated by the heating base 11, so that the wax in the oil and water is completely integrated into the oil, and the crude oil in the crude oil barrel 1 is extracted by the oil pump 14 through the oil extraction pipe 142, and is input into the primary dewaxing barrel 2 through the connecting oil pipe 141, and after the primary dewaxing, it enters the No. 2 dewaxing barrel 3 through the dewaxing connecting pipe 7 for secondary dewaxing, and during the dewaxing process, the primary dewaxing barrel 2 and the No. 2 dewaxing barrel 3 are driven by the stirring motor 5 to rotate the stirring rod 51 to fully stir the crude oil.

[0029] During the dewaxing process, the cooling water in the cooling water barrel 42 enters the water outlet intelligent water valve 43 through the connecting water pipe 45, and enters the water supply pipe 431 through the intelligent water valve 43, and then enters the dewaxing pipe 53 in the primary dewaxing barrel 2 through the water supply pipe 151 via the water supply pump 15, and then enters the dewaxing pipe 53 in the secondary dewaxing barrel 3 through the dewaxing connecting pipe 7, and then enters the return water intelligent water valve 44 through the return water pipe 441, and flows back to the cooling water barrel 42 through the connecting water pipe 45 for further cooling, so as to achieve cooling. Cooling water circulation, the hot water in the heating water barrel 41 enters the water outlet intelligent water valve 43 through the connecting water pipe 45, and enters the water supply pipe 431 through the intelligent water valve 43, and then enters the dewaxing pipe 53 in the primary dewaxing barrel 2 through the water supply pipe 151 via the water supply pump 15, and then enters the dewaxing pipe 53 in the secondary dewaxing barrel 3 through the dewaxing connecting pipe 7, and then enters the return water intelligent water valve 44 through the return water pipe 441, and flows back to the heating water barrel 41 through the connecting water pipe 45 for reheating, realizing the heating water circulation.

[0030] The heating water flows in the inner water pipe 532 in each pipeline, and the cooling water flows in the outer water pipe 531 in each pipeline. When the cooling water flows in the outer water pipe 531 in each pipeline, the wax in the crude oil is adsorbed on the dewaxing pipe 53, and when the heating water flows in the inner water pipe 532 in each pipeline, the lipid adsorbed on the dewaxing pipe 53 melts and falls off from the dewaxing pipe 53. The crude oil in the primary dewaxing barrel 2 enters the secondary dewaxing barrel 3 through the No. 1 oil outlet valve 21 via the oil pipeline 211, and the crude oil that has been dewaxed for the second time in the secondary dewaxing barrel 3 is discharged through the No. 2 oil outlet valve 31 via the oil outlet pipe 311, and the wax in the primary dewaxing barrel 2 and the secondary dewaxing barrel 3 is discharged from the wax outlet pipes 22 to which they are respectively connected after melting.

Claims

1. An oil pressing, refining, freezing, filtering and dewaxing device, comprising a crude oil barrel (1), a primary dewaxing barrel (2) and a cold and hot water barrel (4), characterized in that: The top of the crude oil barrel (1) is connected to an oil inlet pipe (13), the bottom of the crude oil barrel (1) is connected to a heating base (11), and the bottom of the heating base (11) is connected to a supporting base frame (12), the primary dewaxing barrel (2) is arranged on one side of the crude oil barrel (1), and a secondary dewaxing barrel (3) is arranged on the side of the primary dewaxing barrel (2) away from the crude oil barrel (1), a dewaxing connecting pipe (7) is connected between the primary dewaxing barrel (2) and the secondary dewaxing barrel (3), the outer sides of the primary dewaxing barrel (2) and the secondary dewaxing barrel (3) are both connected to a fixed base frame (6), and the tops of the primary dewaxing barrel (2) and the secondary dewaxing barrel (3) are both connected to a stirring motor (5), and the hot and cold water barrel (4) is arranged on the side of the secondary dewaxing barrel (3) away from the primary dewaxing barrel (2).

2. The oil pressing, refining, freezing, filtering and dewaxing device according to claim 1, characterized in that: An oil delivery pump (14) is provided on one side of the oil inlet pipe (13); an oil connection pipe (141) is connected between the oil delivery pump (14) and the primary dewaxing barrel (2); an oil extraction pipe (142) is provided at the connection between the oil delivery pump (14) and the crude oil barrel (1); a water delivery pump (15) is connected to the supporting base frame (12); and a water delivery pipe (151) is connected between the water delivery pump (15) and the primary dewaxing barrel (2).

3. The oil pressing, refining, freezing, filtering and dewaxing device according to claim 1, characterized in that: The bottom of the stirring motor (5) is connected to a stirring rod (51), and two groups of dewaxing tube connecting frames (52) are arranged inside the primary dewaxing barrel (2) and the secondary dewaxing barrel (3), and the two groups of dewaxing tube connecting frames (52) are arranged on both sides of the stirring rod (51), and a dewaxing tube (53) is wound between the two groups of dewaxing tube connecting frames (52).

4. The oil pressing, refining, freezing, filtering and dewaxing device according to claim 3, characterized in that: A return water pipe (441) is connected between the secondary dewaxing barrel (3) and the hot and cold water barrel (4), and the two ends of the dewaxing pipe (53) in the primary dewaxing barrel (2) are respectively connected to the water delivery pipe (151) and the dewaxing connecting pipe (7), and the two ends of the dewaxing pipe (53) in the secondary dewaxing barrel (3) are respectively connected to the return water pipe (441) and the dewaxing connecting pipe (7).

5. The oil pressing, refining, freezing, filtering and dewaxing device according to claim 1, characterized in that: The bottoms of the primary dewaxing barrel (2) and the secondary dewaxing barrel (3) are both connected to a wax outlet pipe (22); the bottom of the primary dewaxing barrel (2) is connected to a No. 1 oil outlet valve (21), and an oil delivery pipe (211) is connected between the No. 1 oil outlet valve (21) and the secondary dewaxing barrel (3); the bottom of the secondary dewaxing barrel (3) is connected to a No. 2 oil outlet valve (31), and an oil outlet pipe (311) is connected inside the No. 2 oil outlet valve (31).

6. The oil pressing, refining, freezing, filtering and dewaxing device according to claim 4, characterized in that: The hot and cold water barrel (4) is provided with a heating water barrel (41) and a cooling water barrel (42) as well as an outlet water intelligent water valve (43) and a return water intelligent water valve (44); and connecting water pipes (45) are connected between the heating water barrel (41) and the cooling water barrel (42) and the outlet water intelligent water valve (43) and the return water intelligent water valve (44).

7. The oil pressing, refining, freezing, filtering and dewaxing device according to claim 6, characterized in that: A water supply pipe (431) is connected between the water outlet intelligent water valve (43) and the water supply pump (15); the water return intelligent water valve (44) is connected to the water return pipe (441); the dewaxing pipe (53), the water supply pipe (151) and the dewaxing connecting pipe (7) all include an outer water pipe (531) and an inner water pipe (532); and the water supply pipe (431) and the water return pipe (441) all include an outer water pipe (531) and an inner water pipe (532).

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