Layered disc type stripping tower

Abstract

The utility model relates to a layered disc type stripping tower which comprises a tower body, wherein the tower body is filled with filler, a gas outlet is formed in the top of the tower body, an oil outlet is formed in the right side of the tower body, an oil inlet is fixedly connected to the left side of the tower body, and a layered disc type assembly is arranged in the tower body. According to the layer disc type stripping tower, crude oil containing a solvent enters the tower body from the external rotation oil inlet, flows out of the distributor, then flows through the multiple layers of combined discs, is heated by the second heating pipe, then passes through the steam spraying device and is finally discharged from the oil outlet; meanwhile, direct steam enters the tower body from a first direct steam inlet and a second direct steam inlet to be in countercurrent contact with downward oil to complete steam stripping and desolvation, and indirect steam enters a first heating pipe from a first steam inlet, a second steam inlet and a third steam inlet to be heated; and condensate water is discharged from the first condensate water outlet, the second condensate water outlet and the third condensate water outlet.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of stripping tower, concretely to a layer dish type stripping tower. BACKGROUND

[0002] As an important separation equipment, stripping tower is widely used in removing volatile components or impurities in liquid. The traditional stripping tower design often has problems such as low mass transfer efficiency, high energy consumption, easy plugging and difficult disassembly of disc, complex operation, etc. Especially when dealing with high viscosity and coking oil, these problems are particularly prominent.

[0003] In the existing stripping tower design, the selection and arrangement of the packing are crucial to improving the mass transfer efficiency. However, simple packing improvement often cannot fundamentally solve the problems of energy consumption and operation complexity. In addition, although some stripping towers use heating and jetting devices to promote the stripping process, the rationality of the heating and jetting methods still needs to be optimized to achieve more efficient energy utilization and more stable operation performance. Therefore, a layer dish type stripping tower is proposed to solve the above problems. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a layer dish type stripping tower, which has the advantages of purification effect and strong adaptability, and solves the problems mentioned in the background.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a layer dish type stripping tower, comprising a tower body, the tower body is filled with packing, the tower body top is provided with a gas outlet, the tower body right side is provided with an oil outlet, the tower body left side is fixedly connected with an oil inlet, the tower body is internally provided with a layer dish type assembly;

[0006] Further, the layer dish type assembly comprises a distributor arranged in the tower body, a combined disc is installed in the tower body, a second heating pipe is fixedly connected in the tower body, a jetting device is fixedly connected in the tower body, a tower base is fixedly connected at the bottom of the tower body, a first heating pipe is arranged on the outer surface of the tower body, a first steam inlet is formed on the right side of the first heating pipe, a first condensate water outlet is formed on the right side of the first heating pipe, a second steam inlet and a third steam inlet are formed on the right side of the tower body, a second condensate water outlet and a third condensate water outlet are formed on the left side of the tower body, and a first direct steam inlet and a second direct steam inlet are formed on the right side of the tower body.

[0007] Compared with the prior art, the technical scheme of the present application has the following advantages:

[0008] The layer disc type stripping tower, containing solvent, crude oil from the outer spiral inlet is flowed out through the distributor, then flows through the multi-layer combined disc, is heated through the second heating pipe, then is sprayed through the spraying device, and finally is discharged from the oil outlet, while the direct steam is entered into the tower body from the first direct steam inlet and the second direct steam inlet to complete the stripping and desolventizing through countercurrent contact of the oil upward and downward, the indirect steam is entered into the first heating pipe from the first steam inlet, the second steam inlet and the third steam inlet to be heated, and the condensed water is discharged from the first condensed water outlet, the second condensed water outlet and the third condensed water outlet. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is a structure schematic view of the utility model;

[0010] Figure 2 It is a local structure schematic view of the utility model;

[0011] Figure 3 It is a local structure schematic view of the utility model;

[0012] Figure 4 It is a combined disc schematic view of the utility model.

[0013] In the figure: 1, filler, 2, first heating pipe, 3, distributor, 4, combined disc, 5, second heating pipe, 6, spraying device, 7, tower base, 8, tower body, 9, oil inlet, 1001, first steam inlet, 1002, second steam inlet, 1003, third steam inlet, 1101, first condensed water outlet, 1102, second condensed water outlet, 1103, third condensed water outlet, 1201, first direct steam inlet, 1202, second direct steam inlet, 13, oil outlet, 14, mixed gas outlet. DETAILED DESCRIPTION

[0014] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and 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.

[0015] Please refer to Figures 1-4 In the embodiment, the layer disc type stripping tower comprises a tower body 8, the tower body 8 is internally filled with fillers 1, the tower body 8 is provided with a mixed gas outlet 14 at the top, an oil outlet 13 is arranged at the right side of the tower body 8, an oil inlet 9 is fixedly connected to the left side of the tower body 8, and a layer disc type assembly is arranged in the tower body 8.

[0016] The layer disc type assembly comprises a distributor 3 arranged in the tower body 8, a combined disc 4 arranged in the tower body 8, a second heating pipe 5 fixedly connected to the tower body 8, and a jet device 6 fixedly connected to the tower body 8. The jet device 6 is a prior art of the stripping tower and does not need to be described in detail. The tower body 8 is fixedly connected to a tower base 7 at the bottom, and a first heating pipe 2 is arranged on the outer surface of the tower body 8. The first heating pipe 2 is provided with a first steam inlet 1001 and a first condensed water outlet 1101 on the right side. The tower body 8 is provided with a second steam inlet 1002 and a third steam inlet 1003 on the right side, and a second condensed water outlet 1102 and a third condensed water outlet 1103 on the left side. The tower body 8 is provided with a first direct steam inlet 1201 and a second direct steam inlet 1202 on the right side.

[0017] Secondly, the first heating pipe 2 and the second heating pipe 5 are both annular. The first heating pipe 2 adopts a winding semi-circular pipe for heating, steam is not short-circuited, heating is fast, it is not a pressure container, the amount of steam used is small, the use cost is reduced, and it is convenient to operate and difficult to cause safety accidents.

[0018] The present technical solution is from the outer circular rotation to the oil inlet, the oil column is distributed into a thin oil film on the tower wall through high-speed rotation, the volatilization area of the oil is increased, and part of the solvent is volatilized instantaneously under the high-temperature heating of the first heating pipe 2.

[0019] In addition, please refer to Figures 1-4 The new combined disc 4 is composed of a plurality of combined discs 4 locked together by a screw rod, so that the gap between each combined disc and the tower body is uniform, and the disc is easy to clean, maintain and replace. At the same time, the new mixed gas is discharged from the outlet at the top of the tower after being trapped by the filler, so that the gas does not carry oil. The oil direct steam jet device and the heating coil in the present technical solution are heated at the same time and discharged, and the phenomenon of insufficient heat leading to unqualified oil does not occur.

[0020] The working principle of the above embodiment is as follows:

[0021] The layer disc type stripping tower is used for stripping and dissolving the oil containing solvent from the outer rotation oil inlet 9 into the tower body 8 through the distributor 3, and then flowing through the multi-layer combined disc 4, being heated by the second heating pipe 5, then being jetted by the jet device 6, and finally being discharged from the oil outlet 9. At the same time, the direct steam enters the tower body 8 from the first direct steam inlet 1201 and the second direct steam inlet 1202 to complete the stripping and dissolving by countercurrent contact of the oil upward and downward. The indirect steam enters the first heating pipe for heating from the first steam inlet 1001, the second steam inlet 1002 and the third steam inlet 1003, and the condensed water is discharged from the first condensed water outlet 1101, the second condensed water outlet 1102 and the third condensed water outlet 1103.

[0022] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0023] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A trayed stripping column comprising a column body (8), characterised in that: The tower body (8) is internally filled with fillers (1), the top of the tower body (8) is provided with a mixed gas outlet (14), the right side of the tower body (8) is provided with an oil outlet (13), the left side of the tower body (8) is fixedly connected with an oil inlet (9), and the tower body (8) is internally provided with a layer disc assembly; The layer disc assembly comprises a distributor (3) arranged in the tower body (8), a combined disc (4) mounted in the tower body (8), a second heating pipe (5) fixedly connected with the tower body (8), a gas injection device (6) fixedly connected with the tower body (8), a tower base (7) fixedly connected with the bottom of the tower body (8), a first heating pipe (2) arranged on the outer surface of the tower body (8), a first steam inlet (1001) formed in the right side of the first heating pipe (2), a first condensed water outlet (1101) formed in the right side of the first heating pipe (2), a second steam inlet (1002) and a third steam inlet (1003) formed in the right side of the tower body (8), a second condensed water outlet (1102) and a third condensed water outlet (1103) formed in the left side of the tower body (8), and a first direct steam inlet (1201) and a second direct steam inlet (1202) formed in the right side of the tower body (8).

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