Gasoline fractionating tower top oil gas condensing device

Abstract

The utility model discloses a gasoline fractionating tower top oil gas condensing device which comprises a separating box, a condensing box and a drying box, the top of the separating box is fixedly connected with a first connecting pipe and a gas inlet pipe respectively, first end covers are arranged at the two ends of the separating box, and flow guide plates are arranged in the separating box. Second connecting pipes are symmetrically and fixedly connected to the top of the condensing box, second end covers are arranged at the two ends of the condensing box, oil gas enters the drying box under connection of a second gas pipe, the second connecting pipes and a third connecting pipe, and the oil gas is filtered through an activated carbon net arranged in the drying box; and finally, the oil gas forming liquid is conveyed by a flow guide pipe and a fourth connecting pipe which are arranged at the bottoms of the separating box, the condensing box and the drying box to enter a collecting box to be collected, so that the oil gas can be optimally filtered after being filtered for three times, and the effects of saving resources and protecting the environment are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of oil and gas condensation equipment, and in particular relates to an oil and gas condensation device at the top of a gasoline fractionation tower. Background Art

[0002] The gasoline fractionator top oil and gas condensation unit is commonly used in petroleum refining processes. Its main function is to cool and condense the oil and gas generated from the top of the gasoline fractionator, recover the liquid gasoline therein, and send the uncondensed gaseous substances for further processing to maximize the extraction of gasoline products. In this device, the oil and gas enter the condenser through the top outlet of the tower. Through the cooling effect in the condenser, the gasoline component in the oil and gas is condensed into liquid, and then transported to the downstream process unit through a pipeline for further processing. The uncondensed gaseous substances are sent to the gas phase processing unit, such as a decompression device or other separation equipment for processing.

[0003] Due to the stickiness of oil and gas, traditional treatment processes have low system processing efficiency and are inconvenient to maintain, which brings certain inconveniences. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide an oil and gas condensation device at the top of a gasoline distillation tower to solve the problem raised in the above background technology that due to the adhesion of oil and gas, the traditional treatment process has low system treatment efficiency and is inconvenient to maintain, thus bringing certain inconveniences.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gasoline fractionation tower top oil and gas condensing device, comprising a separation box, a condensing box and a drying box, the top of the separation box is respectively fixedly connected with a first connecting pipe and an air inlet pipe, the two ends of the separation box are provided with a first end cover, the separation box is provided with a guide plate inside, the top of the condensing box is symmetrically fixedly connected with a second connecting pipe, the two ends of the condensing box are provided with a second end cover, the top of the condensing box is fixedly connected with a refrigeration compressor, the condensing box is provided with a fin tube inside, the first connecting pipe and the second connecting pipe are provided with a first air pipe on the top, the lower end of the drying box is symmetrically fixedly connected with an inclined block, the drying box and the inclined block are symmetrically fixedly connected with an activated carbon net, the bottoms of the separation box, the condensing box and the drying box are fixedly connected with a guide pipe, the bottom of the guide pipe is provided with a collecting box, the top of the collecting box is fixedly connected with a fourth connecting pipe, the top of the drying box is fixedly connected with a third connecting pipe, and the second air pipe is provided on the top of the second connecting pipe and the third connecting pipe.

[0006] Preferably, the first end cover is fixedly connected to the separation box by bolts.

[0007] Preferably, the second end cover is fixedly connected to the condensation tank by bolts.

[0008] Preferably, the first air pipe is fixedly connected to the first connecting pipe and the second connecting pipe through a first flange and bolts respectively.

[0009] Preferably, the guide pipe and the fourth connecting pipe are fixedly connected with bolts via a third flange.

[0010] Preferably, a repair door is rotatably connected to one side of the drying box.

[0011] Preferably, the second air pipe is fixedly connected to the top of the second connecting pipe and the top of the third connecting pipe through a second flange and bolts respectively.

[0012] Preferably, a support frame is fixedly connected between the separation box, the condensation box and the collection box, and a support leg is fixedly connected between the drying box and the collection box.

[0013] Compared with the prior art, the utility model provides an oil and gas condensation device at the top of a gasoline fractionation tower, which has the following beneficial effects:

[0014] 1. The utility model provides a gasoline fractionation tower top oil and gas condensing device. When in use, the gasoline fractionation tower top oil and gas are injected into the separation box through the air inlet pipe, and the oil and gas are guided by the guide plate provided in the separation box. Then, the oil and gas are transported to the inside of the condensation box under the connection of the first air pipe, the first connecting pipe and the second connecting pipe. The refrigeration compressor provided at the top of the condensation box drives the finned tube to condense the oil and gas entering the condensation box so that the oil and gas form liquid. The remaining oil and gas will enter the inside of the drying box under the connection of the second air pipe, the second connecting pipe and the third connecting pipe. The oil and gas are filtered by the activated carbon net provided in the drying box. Finally, the oil and gas that form liquid will enter the inside of the collection box under the transportation of the guide pipe and the fourth connecting pipe provided at the bottom of the separation box, the condensation box and the drying box for collection. Then, after three filtrations, the oil and gas can achieve the best filtration of oil and gas, which has the effect of saving resources and protecting the environment.

[0015] 2. The utility model provides a first end cover, a second end cover, a repair door, a first flange and a third flange. During use, a detachable first end cover and a detachable second end cover are respectively provided at both ends of the separation box and the third connecting pipe, so that it has the advantage of easy maintenance. The repair door provided on one side of the drying box can facilitate the replacement of the internal activated carbon net, and the third flange and the first flange can facilitate the installation between pipelines, thereby having the effect of facilitating maintenance.

[0016] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the axial structure of one side of an oil and gas condensation device at the top of a gasoline fractionation tower proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the axial structure of the other side of the oil and gas condensation device at the top of a gasoline fractionation tower proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of a separation box of an oil and gas condensation device at the top of a gasoline fractionation tower proposed by the utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of a condensing box of an oil and gas condensing device at the top of a gasoline fractionation tower proposed by the utility model;

[0022] Figure 5 This is a schematic diagram of the internal structure of a drying box of an oil and gas condensation device at the top of a gasoline fractionation tower proposed by the utility model;

[0023] In the figure: separation box 1, first connecting pipe 2, air inlet pipe 3, first end cover 4, guide plate 5, condensing box 6, second end cover 7, second connecting pipe 8, second air pipe 9, second flange 10, first air pipe 11, first flange 12, refrigeration compressor 13, fin tube 14, drying box 15, third connecting pipe 16, inclined block 17, activated carbon net 18, guide pipe 19, fourth connecting pipe 20, third flange 21, collecting box 22, rework door 23, support frame 24, support leg 25. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-5The utility model provides a technical solution: a gasoline fractionation tower top oil and gas condensation device, comprising a separation box 1, a condensation box 6 and a drying box 15, the top of the separation box 1 is respectively fixedly connected with a first connecting pipe 2 and an air inlet pipe 3, both ends of the separation box 1 are provided with a first end cover 4, the separation box 1 is provided with a guide plate 5 inside, the top of the condensation box 6 is symmetrically fixedly connected with a second connecting pipe 8, both ends of the condensation box 6 are provided with a second end cover 7, the top of the condensation box 6 is fixedly connected with a refrigeration compressor 13, and the condensation box 6 is provided with a The finned tube 14 is arranged, the first connecting tube 2 and the second connecting tube 8 are provided with a first air pipe 11 at the top, the lower end of the drying box 15 is symmetrically fixedly connected with an inclined block 17, and an activated carbon net 18 is symmetrically fixedly connected between the drying box 15 and the inclined block 17, the bottom of the separation box 1, the condensation box 6 and the drying box 15 are all fixedly connected with a guide pipe 19, the bottom of the guide pipe 19 is provided with a collecting box 22, the top of the collecting box 22 is fixedly connected with a fourth connecting pipe 20, and the top of the drying box 15 is fixedly connected with a third connecting pipe 1 6, a second air pipe 9 is provided on the top of the second connecting pipe 8 and the third connecting pipe 16, and the oil and gas on the top of the gasoline distillation tower are injected into the separation box 1 through the air inlet pipe 3, and the oil and gas are guided by the guide plate 5 provided in the separation box 1, and then the oil and gas are transported to the inside of the condensation box 6 under the connection of the first air pipe 11, the first connecting pipe 2 and the second connecting pipe 8, and the refrigeration compressor 13 provided on the top of the condensation box 6 drives the fin tube 14 to condense the oil and gas entering the condensation box 6, so that the oil and gas form liquid, and the remaining oil and gas will enter the inside of the drying box 15 under the connection of the second air pipe 9, the second connecting pipe 8 and the third connecting pipe 16, and the oil and gas will be filtered by the activated carbon net 18 provided in the drying box 15, and finally the oil and gas forming liquid will enter the inside of the collecting box 22 under the transportation of the guide pipe 19 and the fourth connecting pipe 20 provided at the bottom of the separation box 1, the condensation box 6 and the drying box 15 for collection, and then the oil and gas can achieve the best filtering of oil and gas after three filtrations, which has the effect of saving resources and protecting the environment.

[0026] In the present invention, preferably, the first end cover 4 is fixedly connected to the separation box 1 by bolts.

[0027] In the present invention, preferably, the second end cover 7 is fixedly connected to the condensation tank 6 by bolts.

[0028] In the present invention, preferably, the first air pipe 11 is fixedly connected to the first connecting pipe 2 and the second connecting pipe 8 respectively through the first flange 12 and bolts.

[0029] In the present invention, preferably, the flow guide pipe 19 and the fourth connecting pipe 20 are fixedly connected with bolts through the third flange 21 .

[0030] In the present invention, preferably, a repair door 23 is rotatably connected to one side of the drying box 15 .

[0031] In the present invention, preferably, the second air pipe 9 is fixedly connected to the top of the second connecting pipe 8 and the top of the third connecting pipe 16 respectively through the second flange 10 and bolts.

[0032] In the present invention, preferably, a support frame 24 is fixedly connected between the separation box 1 , the condensation box 6 and the collection box 22 , and a support leg 25 is fixedly connected between the drying box 15 and the collection box 22 .

[0033] The working principle and use process of the utility model are as follows: when in use, the oil and gas at the top of the gasoline fractionation tower are injected into the interior of the separation box 1 through the air inlet pipe 3, and the oil and gas are guided by the guide plate 5 provided inside the separation box 1, and then the oil and gas are transported to the interior of the condensation box 6 under the connection of the first air pipe 11, the first connecting pipe 2 and the second connecting pipe 8, and the refrigeration compressor 13 provided on the top of the condensation box 6 drives the finned tube 14 to condense the oil and gas entering the interior of the condensation box 6, so that the oil and gas form liquid, and the remaining oil and gas will enter the interior of the drying box 15 under the connection of the second air pipe 9, the second connecting pipe 8 and the third connecting pipe 16, and the oil and gas will be filtered by the activated carbon net 18 provided inside the drying box 15 to finally form liquid The oil and gas will be transported by the guide pipe 19 and the fourth connecting pipe 20 provided at the bottom of the separation box 1, the condensation box 6 and the drying box 15 into the collection box 22 for collection, and then the oil and gas can achieve the best filtering after three filtrations, which has the effect of saving resources and protecting the environment. During use, the separation box 1 and the third connecting pipe 16 are respectively provided with a detachable first end cover 4 and a second end cover 7 at both ends, which has the advantage of easy maintenance, and the repair door 23 provided on one side of the drying box 15 can facilitate the replacement of the internal activated carbon net 18, and the third flange 21 and the first flange 12 can facilitate the installation between pipelines, so as to have the effect of easy maintenance.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gasoline fractionation tower top oil and gas condensation device, comprising a separation box (1), a condensation box (6) and a drying box (15), characterized in that: The top of the separation box (1) is respectively fixedly connected with a first connecting pipe (2) and an air inlet pipe (3), first end covers (4) are provided at both ends of the separation box (1), and guide plates (5) are provided inside the separation box (1). The top of the condensation box (6) is symmetrically fixedly connected with a second connecting pipe (8), both ends of the condensation box (6) are provided with second end covers (7), the top of the condensation box (6) is fixedly connected with a refrigeration compressor (13), and finned tubes (14) are provided inside the condensation box (6), the tops of the first connecting pipe (2) and the second connecting pipe (8) are provided with a first air pipe (11), and the dry The lower end of the drying box (15) is symmetrically fixedly connected to an inclined block (17); an activated carbon net (18) is symmetrically fixedly connected between the drying box (15) and the inclined block (17); a guide tube (19) is fixedly connected to the bottom of the separation box (1), the condensation box (6) and the drying box (15); a collecting box (22) is arranged at the bottom of the guide tube (19); a fourth connecting tube (20) is fixedly connected to the top of the collecting box (22); a third connecting tube (16) is fixedly connected to the top of the drying box (15); and a second air pipe (9) is arranged at the top of the second connecting tube (8) and the third connecting tube (16).

2. A gasoline fractionation tower top oil and gas condensation device according to claim 1, characterized in that: The first end cover (4) is fixedly connected to the separation box (1) by means of bolts.

3. The gasoline fractionation tower top oil and gas condensation device according to claim 1, characterized in that: The second end cover (7) is fixedly connected to the condensation tank (6) by means of bolts.

4. The gasoline fractionation tower top oil and gas condensation device according to claim 1, characterized in that: The first air pipe (11) is fixedly connected to the first connecting pipe (2) and the second connecting pipe (8) respectively via a first flange (12) and bolts.

5. The gasoline fractionation tower top oil and gas condensation device according to claim 1, characterized in that: The flow guide pipe (19) and the fourth connecting pipe (20) are fixedly connected with bolts via a third flange (21).

6. The gasoline fractionation tower top oil and gas condensation device according to claim 1, characterized in that: A repair door (23) is rotatably connected to one side of the drying box (15).

7. The gasoline fractionation tower top oil and gas condensation device according to claim 1, characterized in that: The second air pipe (9) is fixedly connected to the top of the second connecting pipe (8) and the top of the third connecting pipe (16) respectively through a second flange (10) and bolts.

8. The gasoline fractionation tower top oil and gas condensation device according to claim 1, characterized in that: A support frame (24) is fixedly connected between the separation box (1), the condensation box (6) and the collection box (22), and a support leg (25) is fixedly connected between the drying box (15) and the collection box (22).

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