CN216205495U

CN216205495U - System for utilizing waste heat in benzene hydrogenation technological process

Info

Publication number: CN216205495U
Application number: CN202122470207.3U
Authority: CN
Inventors: 陈庆; 徐常江
Original assignee: Zhuhai Changlian Petrochemical Equipment Co ltd
Current assignee: Zhuhai Changlian Petrochemical Equipment Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-04-05
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses a system for utilizing waste heat in a benzene hydrogenation process, which comprises a treatment box, wherein a partition plate is fixedly connected inside the treatment box, a first baffle plate is fixedly connected inside the treatment box and positioned at the top of the partition plate, a second pipeline is arranged inside the treatment box and positioned at one side of the first baffle plate, a cooling pipeline is wound outside the second pipeline, a first pipeline is arranged inside the treatment box and positioned at the other side of the first baffle plate, the top of the partition plate and positioned at one side of the first baffle plate are fixedly connected with second baffle plates at equal intervals, a function box is fixedly connected at the top of the treatment box, and a water pump is fixedly connected inside the function box, the system has the following beneficial effects that: can carry out a lot of cooling to the inside hydrogenation material of second pipeline, improve cooling efficiency to when the cooling to hydrogenation material, heat the liquid of cooling, persist convenient subsequent use, carry out waste heat utilization, prevent to cause the wasting of resources.

Description

System for utilizing waste heat in benzene hydrogenation technological process

Technical Field

The utility model relates to the technical field of a benzene hydrogenation process, in particular to a system for utilizing waste heat in a benzene hydrogenation process.

Background

In the existing life, a benzene hydrogenation device takes crude benzene as a raw material, high-purity benzene, toluene, xylene and other products are produced through processes of hydrogenation, desulfurization and denitrification and the like, the number of hydrogenation reactors is two, the pre-reactor and the main reactor are arranged, hydrogenated substances enter a high-pressure separator, hydrogen in the hydrogenated substances is separated, hydrogenated oil is generated after light components are removed through a stabilizer, the hydrogenated oil is sent to a middle tank area, the temperature of the hydrogenated substances discharged from the main reactor needs to be reduced when the hydrogenated substances enter the high-pressure separator, and waste heat in the existing benzene hydrogenation process is not fully utilized, so that resource waste is caused, and therefore, a system for utilizing the waste heat in the benzene hydrogenation process is provided and used for solving the problems.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above-mentioned problems occurring in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a system for utilizing waste heat in a benzene hydrogenation process, which comprises a treatment box, wherein a partition plate is fixedly connected inside the treatment box, a first baffle plate is fixedly connected inside the treatment box and positioned at the top of the partition plate, a second pipeline is arranged inside the treatment box and positioned on one side of the first baffle plate, a cooling pipeline is wound on the outer side of the second pipeline, a first pipeline is arranged inside the treatment box and positioned on the other side of the first baffle plate, a second baffle plate is fixedly connected on the top of the partition plate and positioned on one side of the first baffle plate at equal intervals, a function box is fixedly connected at the top of the treatment box, a water pump is fixedly connected inside the function box, a first water inlet and a second water inlet are arranged inside the treatment box, and a cold water tank and a hot water tank are arranged inside the treatment box and positioned below the partition plate.

As a preferable scheme of the utility model, the bottom of the treatment box is fixedly connected with supporting blocks at equal intervals.

As a preferable scheme of the utility model, a water inlet of the water pump is communicated with the cold water tank through a pipeline, and a water outlet of the water pump is communicated with the cooling pipeline through a fifth pipeline.

As a preferable scheme of the present invention, a water outlet of the cooling pipe is communicated with the hot water tank through a pipe, a water outlet of the second pipe is communicated with the first pipe, and an overflow port is disposed inside the second baffle.

As a preferable aspect of the present invention, a fourth electromagnetic valve and a second electromagnetic valve are provided inside the partition plate, and a third electromagnetic valve and a first electromagnetic valve are provided inside the treatment tank.

As a preferable scheme of the present invention, a control panel is disposed outside the treatment tank, and the first electromagnetic valve, the water pump, the second electromagnetic valve, the third electromagnetic valve, and the fourth electromagnetic valve are all electrically connected to the control panel.

The utility model has the following beneficial effects: through the setting of cooling pipe way, fourth solenoid valve and water pump, can carry out a lot of cooling to the inside hydrogenation material of second pipeline, improve cooling efficiency to when cooling to the hydrogenation material, heat the liquid of cooling, persist convenient subsequent use, carry out waste heat utilization, prevent to cause the wasting of resources.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an enlarged schematic view of a.

In the figure, 1, a treatment box; 2. a function box; 3. a first water inlet; 4. a first solenoid valve; 5. a water pump; 6. a first baffle plate; 7. a partition plate; 8. a cold water tank; 9. a second solenoid valve; 10. a third electromagnetic valve; 11. a first conduit; 12. a second baffle; 13. a second water inlet; 14. an overflow port; 15. a second conduit; 16. a cooling pipeline; 17. a support block; 18. a hot water tank; 19. a fourth solenoid valve; 20. and a fifth pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a system for utilizing waste heat in a benzene hydrogenation process, comprising a treatment tank 1, a partition 7 fixedly connected to the inside of the treatment tank 1, a first baffle 6 fixedly connected to the inside of the treatment tank 1 and positioned on the top of the partition 7, a second pipeline 15 arranged on one side of the first baffle 6 and positioned inside the treatment tank 1 for facilitating the movement of hydrogenation substances, a cooling pipeline 16 wound on the outer side of the second pipeline 15 for more effective cooling of the hydrogenation substances, a first pipeline 11 arranged on the other side of the first baffle 6 and positioned inside the treatment tank 1 for secondary cooling of the hydrogenation substances, a second baffle 12 fixedly connected to the top of the partition 7 and positioned on one side of the first baffle 6 at equal intervals for more thorough cooling of the hydrogenation substances, a function box 2 fixedly connected to the top of the treatment tank 1, and a water pump 5 fixedly connected to the inside of the function box 2, the inside of handling case 1 is equipped with first water inlet 3 and second water inlet 13, and the inside of handling case 1 and the below that is located baffle 7 are equipped with cold water tank 8 and hot-water tank 18, conveniently collect hot water.

Furthermore, the bottom of the treatment box 1 is fixedly connected with supporting blocks 17 at equal intervals, so that the utility model is convenient to support.

Further, the water inlet of the water pump 5 is communicated with the cold water tank 8 through a pipeline, cold water is conveniently pumped out, and the water outlet of the water pump 5 is communicated with the cooling pipeline 16 through a fifth pipeline 20, so that the hydrogenation substances are conveniently cooled.

Furthermore, the water outlet of the cooling pipeline 16 is communicated with the hot water tank 18 through a pipeline, so that hot water is convenient to collect, the water outlet of the second pipeline 15 is communicated with the first pipeline 11, so that the hydrogenation substance is conveniently cooled for the second time, and the overflow port 14 is arranged inside the second baffle 12, so that cold water can flow conveniently.

Furthermore, a fourth electromagnetic valve 19 and a second electromagnetic valve 9 are arranged inside the partition board 7, and a third electromagnetic valve 10 and a first electromagnetic valve 4 are arranged inside the treatment box 1, so that the position of water is conveniently controlled.

Furthermore, a control panel is arranged on the outer side of the treatment box 1, and the first electromagnetic valve 4, the water pump 5, the second electromagnetic valve 9, the third electromagnetic valve 10 and the fourth electromagnetic valve 19 are electrically connected with the control panel, so that the utility model is convenient to control.

When the device is used, hydrogenated substances enter between the high-pressure separators and need to be subjected to cooling treatment, the hydrogenated substances enter the high-pressure separators through the second pipeline 15, cold water is injected into the cold water tank 8 through the second water inlet 13, the cold water is pumped to the top of the partition plate 7 through the fourth electromagnetic valve 19 through the water pump 5, the second pipeline 15 is completely soaked and pumped into the cooling pipeline 16 through the fifth pipeline 20, the cooling pipeline 16 is wound on the surface of the second pipeline 15 to cool the second pipeline 15, the heated water enters the hot water tank 18 through the fourth electromagnetic valve 19 to be collected and reused, the hydrogenated substances in the second pipeline 15 move to the inside of the first pipeline 11, the cold water is injected through the first water inlet 3 to cool the hydrogenated substances in the first pipeline 11 again, and the water flows to the inside of the hot water tank 18 through the second electromagnetic valve 9, the hydrogenated substance after temperature reduction moves out of the inside of the treatment tank 1 through the first pipe 11.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a system for utilizing waste heat in benzene hydrogenation process, includes treatment case (1), its characterized in that: the utility model discloses a solar water heater, including processing case (1), the inside fixedly connected with baffle (7) of processing case (1), the inside of processing case (1) and the first baffle of top fixedly connected with (6) that is located baffle (7), the inside of processing case (1) and the one side that is located first baffle (6) are equipped with second pipeline (15), the outside winding of second pipeline (15) has cooling pipeline (16), the inside of processing case (1) and the opposite side that is located first baffle (6) are equipped with first pipeline (11), the top of baffle (7) and the one side equidistance fixedly connected with second baffle (12) that is located first baffle (6), the top fixedly connected with function box (2) of processing case (1), the inside fixedly connected with water pump (5) of function box (2), the inside of processing case (1) is equipped with first water inlet (3) and second water inlet (13), the inside of the treatment box (1) is provided with a cold water tank (8) and a hot water tank (18) below the partition plate (7).

2. The system for utilizing the residual heat in the benzene hydrogenation process according to claim 1, characterized in that: the bottom of the treatment box (1) is fixedly connected with supporting blocks (17) at equal intervals.

3. The system for utilizing the residual heat in the benzene hydrogenation process according to claim 1, characterized in that: the water inlet of the water pump (5) is communicated with the cold water tank (8) through a pipeline, and the water outlet of the water pump (5) is communicated with the cooling pipeline (16) through a fifth pipeline (20).

4. The system for utilizing the residual heat in the benzene hydrogenation process according to claim 1, characterized in that: the water outlet of the cooling pipeline (16) is communicated with a hot water tank (18) through a pipeline, the water outlet of the second pipeline (15) is communicated with the first pipeline (11), and an overflow port (14) is formed in the second baffle (12).

5. The system for utilizing the residual heat in the benzene hydrogenation process according to claim 1, characterized in that: the inside of baffle (7) is equipped with fourth solenoid valve (19) and second solenoid valve (9), the inside of handling case (1) is equipped with third solenoid valve (10) and first solenoid valve (4).

6. The system for utilizing the residual heat in the benzene hydrogenation process according to claim 5, wherein: the outside of handling case (1) is equipped with control panel, first solenoid valve (4), water pump (5), second solenoid valve (9), third solenoid valve (10) and fourth solenoid valve (19) all with control panel electric connection.