CN212902812U

CN212902812U - Multi-pipeline petroleum naphthalene heat exchange device

Info

Publication number: CN212902812U
Application number: CN202021251855.9U
Authority: CN
Inventors: 梁谢华
Original assignee: Maoming Huayue Hualong Chemical Industry Co ltd
Current assignee: Maoming Huayue Hualong Chemical Industry Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-04-06
Anticipated expiration: 2030-07-01

Abstract

The utility model relates to the technical field of chemical equipment, in particular to a multi-pipeline petroleum naphthalene heat exchange device, which comprises a first device body and a second device body, wherein a plurality of oil vapor pipelines are fixedly arranged inside the first device body, a plurality of cooling oil pipes are fixedly arranged inside the second device body, the outer sides of the oil vapor pipelines are spirally connected with first heat exchange pipes, a first connecting pipeline is connected between adjacent first heat exchange pipes, the outer sides of the cooling oil pipes are spirally connected with second heat exchange pipes, a second connecting pipeline is connected between adjacent second heat exchange pipes, and the heat exchange between the oil vapor pipelines and the cooling oil pipes is realized by arranging the first heat exchange pipes, the first connecting pipelines, the third connecting pipelines, the second heat exchange pipes, the second connecting pipelines and the circulating pipelines, thereby fully utilizing the cold source in the cooling oil pipes, energy consumption in the oil vapor pipeline is further reduced after heat exchange, and therefore production benefits of enterprises are improved.

Description

Multi-pipeline petroleum naphthalene heat exchange device

Technical Field

The utility model belongs to the technical field of the chemical industry equipment technique and specifically relates to a multi-channel oil naphthalene heat transfer device.

Background

Naphthalene is an organic compound, has a molecular formula of C10H8, is a white, volatile and special-odor crystal, is produced in large quantities from coal tar, which is a byproduct of coking, is an industrially most important fused cyclic aromatic hydrocarbon, is widely used as a raw material for preparing dyes, resins, solvents and the like, and is also used as an insect repellent, commonly known as a camphor ball or camphor ball.

Naphthalene and naphthalene based products are commonly extracted from coal tar and petroleum pyrolysis tar, and include crude naphthalene (industrial naphthalene), refined naphthalene and methylnaphthalene. The sulfur content of the coal tar naphthalene product is high, while the sulfur content of the petroleum naphthalene product is low, so that the method is more suitable for producing refined naphthalene, refined methylnaphthalene and the like.

At present, in the production process of petroleum naphthalene, multiple processes of separation and purification are required to be carried out, oil is enabled to generate different states by utilizing processes such as heating and cooling (for example, oil is heated to enable oil to be changed from a liquid state to a gas state, and then is cooled and then is changed from the gas state to the liquid state to be collected), however, pipelines are generally adopted for conveying oil and oil vapor, an oil pipeline and an oil vapor pipeline are provided, and oil vapor in the oil vapor pipeline can be changed into the liquid state only by recooling and is further collected, in the prior art, an independent cooling mechanism is generally adopted to cool the oil in the other oil pipeline, the oil in the other oil pipeline is cooled, under the general condition, a cold source in a cooling oil pipe is generally not treated to enable the cold source to volatilize naturally, however, more cold sources can be wasted in the past for a long time, and the oil vapor pipeline is required to be cooled by the independent cooling mechanism, more energy can be consumed, and the improvement of the production benefit of enterprises is not facilitated.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a multi-pipe oil naphthalene heat transfer device, the device is through improving the back, can effectively utilize the cold source among the cooling oil pipe, further reduces the energy resource consumption in the fluid steam pipeline behind the heat transfer to the productivity effect of enterprise has been improved.

The technical scheme of the utility model is that:

a multi-pipeline petroleum naphthalene heat exchange device is characterized in that: the heat exchanger comprises a first device body and a second device body, wherein the first device body and the second device body are arranged in bilateral symmetry, a plurality of oil vapor pipelines are fixedly arranged in the first device body, a plurality of cooling oil pipes are fixedly arranged in the second device body, two ends of each oil vapor pipeline are communicated with the first device body, two ends of each cooling oil pipe are communicated with the second device body, the outer sides of the oil vapor pipelines are spirally connected with first heat exchange pipes, a first connecting pipeline is connected between every two adjacent first heat exchange pipes, the outer sides of the cooling oil pipes are spirally connected with second heat exchange pipes, a second connecting pipeline is connected between every two adjacent second heat exchange pipes, a third connecting pipeline is connected between the first device body and the second device body, and the left end of the third connecting pipeline is connected with the first heat exchange pipes, the right end of the third connecting pipeline is connected with the second heat exchange tube, a circulating pipeline is arranged above the first device body and the second device body, the left end of the circulating pipeline is connected with the first heat exchange tube, and the right end of the circulating pipeline is connected with the second heat exchange tube.

Furthermore, pipeline joints are arranged at two ends of the oil vapor pipeline and the cooling oil pipe.

Furthermore, the first heat exchange tube is welded and fixed with the outer side of the oil vapor pipeline, and the second heat exchange tube is welded and fixed with the outer side of the cooling oil pipe.

Furthermore, a first circulating pump is installed on the third connecting pipeline.

Further, a second circulating pump is installed on the circulating pipeline.

The utility model has the advantages that: the utility model discloses a be equipped with first heat exchange tube, first connecting tube, third connecting tube, second heat exchange tube, second connecting tube and circulating line for realize the heat transfer between fluid vapour pipeline and the cooling oil pipe, make full use of the cold source among the cooling oil pipe, further reduce the energy resource consumption in the fluid vapour pipeline after the heat transfer, thereby improved the productivity effect of enterprise.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure, 1, a first apparatus body; 2. a second device body; 3. an oil vapor line; 4. cooling the oil pipe; 5. a first heat exchange tube; 6. a first connecting pipe; 7. a second heat exchange tube; 8. a second connecting pipe; 9. a third connecting pipe; 10. a circulation pipe; 11. a pipe joint; 12. a first circulation pump; 13. and a second circulation pump.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in figure 1, the multi-pipeline petroleum naphthalene heat exchange device comprises a first device body 1 and a second device body 2, wherein the first device body 1 and the second device body 2 are arranged in bilateral symmetry, a plurality of oil vapor pipelines 3 are fixedly arranged inside the first device body 1, a plurality of cooling oil pipes 4 are fixedly arranged inside the second device body 2, two ends of each oil vapor pipeline 3 are communicated with the first device body 1, two ends of each cooling oil pipe 4 are communicated with the second device body 2, a first heat exchange pipe 5 is spirally connected to the outer side of each oil vapor pipeline 3, a first connecting pipeline 6 is connected between every two adjacent first heat exchange pipes 5, a second heat exchange pipe 7 is spirally connected to the outer side of each cooling oil pipe 4, a second connecting pipeline 8 is connected between every two adjacent second heat exchange pipes 7, and a third connecting pipeline 9 is connected between the first device body 1 and the second device body 2, the left end of a third connecting pipeline 9 is connected with the first heat exchange tube 5, the right end of the third connecting pipeline 9 is connected with the second heat exchange tube 7, a circulating pipeline 10 is arranged above the first device body 1 and the second device body 2, the left end of the circulating pipeline 10 is connected with the first heat exchange tube 5, and the right end of the circulating pipeline 10 is connected with the second heat exchange tube 7.

And the two ends of the oil vapor pipeline 3 and the cooling oil pipe 4 are both provided with a pipeline joint 11. The oil vapor pipeline 3 or the cooling oil pipe 4 can be conveniently connected with other inlet and outlet pipelines by arranging the pipeline joint 11.

The first heat exchange tube 5 is welded and fixed with the outer side of the oil vapor pipeline 3, and the second heat exchange tube 7 is welded and fixed with the outer side of the cooling oil tube 4.

A first circulating pump 12 is installed on the third connecting pipeline 9. Through being equipped with first circulating pump 12, can draw the heat transfer medium in first heat exchange tube 5 to in the second heat exchange tube 7.

A second circulation pump 13 is installed on the circulation pipeline 10. Through being equipped with second circulating pump 13, can draw back the heat transfer medium in the second heat exchange tube 7 in the first heat exchange tube 5.

The utility model discloses a theory of operation does: during operation, the inside circulation of fluid vapor pipeline 3 is high temperature steam, the inside circulation of cooling oil pipe 4 is low temperature fluid, begin work, inject sufficient heat transfer medium into first heat exchange tube 5, heat transfer medium absorbs the heat outside fluid vapor pipeline 3 at first, through starting first circulating pump 12, heat transfer medium is taken out to second heat exchange tube 7 in, because the inside circulation of cooling oil pipe 4 is low temperature fluid, and then can cool off heat transfer medium, this refrigerated heat transfer medium can rethread second circulating pump 13 take out in first heat exchange tube 5, cool off fluid vapor pipeline 3, and then reach the effect of heat transfer, then, with this endless circulation. In the process, the cold source in the cooling oil pipe 4 is fully utilized, and the energy consumption in the oil vapor pipeline 3 is further reduced after heat exchange, so that the production benefit of enterprises is improved. It is worth mentioning that: this device is in order to avoid extravagant cold source on the cooling oil pipe 4 on the one hand, recycles it, and on the other hand is in order to reduce the energy resource consumption of cooling mechanism in the fluid steam pipeline 3, but, because the temperature that the cooling needs is lower relatively, so, still need use cooling mechanism, nevertheless, because during heat transfer medium was taken back first heat exchange tube 5, can cool off fluid steam pipeline 3, so cooling mechanism also just can correspondingly reduce the power consumption.

The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.

Claims

1. A multi-pipeline petroleum naphthalene heat exchange device is characterized in that: the device comprises a first device body (1) and a second device body (2), wherein the first device body (1) and the second device body (2) are arranged in a bilateral symmetry manner, a plurality of oil vapor pipelines (3) are fixedly arranged in the first device body (1), a plurality of cooling oil pipes (4) are fixedly arranged in the second device body (2), the two ends of the oil vapor pipelines (3) are communicated with the first device body (1), the two ends of the cooling oil pipes (4) are communicated with the second device body (2), the outer sides of the oil vapor pipelines (3) are respectively and spirally connected with a first heat exchange pipe (5), a first connecting pipeline (6) is connected between the adjacent first heat exchange pipes (5), the outer sides of the cooling oil pipes (4) are respectively and spirally connected with a second heat exchange pipe (7), and a second connecting pipeline (8) is connected between the adjacent second heat exchange pipes (7), be connected with third connecting tube (9) between first device body (1) and second device body (2), the left end and the first heat exchange tube (5) of third connecting tube (9) are connected, the right-hand member and the second heat exchange tube (7) of third connecting tube (9) are connected, the top of first device body (1) and second device body (2) is provided with circulating line (10), the left end and the first heat exchange tube (5) of circulating line (10) are connected, the right-hand member and the second heat exchange tube (7) of circulating line (10) are connected.

2. The multi-pipeline petroleum naphthalene heat exchange device of claim 1, wherein: and the two ends of the oil vapor pipeline (3) and the cooling oil pipe (4) are respectively provided with a pipeline joint (11).

3. The multi-pipeline petroleum naphthalene heat exchange device of claim 2, wherein: the first heat exchange tube (5) is welded and fixed with the outer side of the oil vapor pipeline (3), and the second heat exchange tube (7) is welded and fixed with the outer side of the cooling oil pipe (4).

4. The multi-pipeline petroleum naphthalene heat exchange device of claim 3, wherein: and a first circulating pump (12) is arranged on the third connecting pipeline (9).

5. The multi-pipeline petroleum naphthalene heat exchange device of claim 4, wherein: and a second circulating pump (13) is arranged on the circulating pipeline (10).