CN220989697U - Negative pressure debenzolization tower for debenzolization - Google Patents
Negative pressure debenzolization tower for debenzolization Download PDFInfo
- Publication number
- CN220989697U CN220989697U CN202322364684.0U CN202322364684U CN220989697U CN 220989697 U CN220989697 U CN 220989697U CN 202322364684 U CN202322364684 U CN 202322364684U CN 220989697 U CN220989697 U CN 220989697U
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- China
- Prior art keywords
- pipe
- sleeve
- water storage
- storage cavity
- outer edge
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- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract description 80
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000012423 maintenance Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 3
- 210000005239 tubule Anatomy 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000004891 communication Methods 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 abstract description 2
- 239000008236 heating water Substances 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 benzene hydrocarbon Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to the technical field of benzene removal towers, in particular to a benzene removal tower for negative pressure benzene removal, which comprises benzene removal equipment; the long pipe for conveying steam is arranged at the lower section of the outer edge surface of the benzene removal device, the sleeve is sleeved on the outer edge surface of the long pipe, the first short pipe inside the communication sleeve is arranged at one side, close to the benzene removal device, of the top end of the outer edge surface of the sleeve, the second short pipe inside the communication sleeve is arranged at one side, far away from the benzene removal device, of the bottom end of the outer edge surface of the sleeve, the L-shaped pipe for conveying hot water to the inside of the first short pipe is arranged at one end of the first short pipe, the water storage cavity and the heating wire are used for heating water in the water storage cavity through the long pipe, the water pump drives the L-shaped pipe to extract hot water in the water storage cavity, the first short pipe is used for discharging the hot water into the sleeve, and the pipe wall of the long pipe is heated, so that the quantity of pre-condensation of steam in the pipe to form water drops is reduced, and the steam utilization rate is improved.
Description
Technical Field
The utility model relates to the technical field of benzene removal towers, in particular to a benzene removal tower for negative pressure benzene removal.
Background
The debenzolization tower refers to distillation equipment for a wash oil absorption crude benzene method, belongs to a desorption tower, is operation equipment for evaporating and releasing benzene hydrocarbon dissolved in a wash oil solvent through direct contact heat transfer of a heat carrier, and has the following operation principle: the method comprises the steps of selecting common overheat steam of a heat carrier as a heating agent, enabling the equilibrium vapor pressure of crude benzene on the liquid level of wash oil to be greater than the partial pressure of the crude benzene in the carrier, enabling vapor-liquid two phases to be in countercurrent contact, carrying out mass transfer and heat transfer, so that the crude benzene is gradually released from rich oil, obtaining a mixture of benzene steam and steam at the top of the tower, and obtaining purer lean oil at the bottom of the tower.
When the traditional negative pressure debenzolization tower is used in winter, the pipeline for conveying steam is easily affected by the environment to cause lower temperature, so that the steam in the pipeline is pre-condensed to form water drops, and the steam utilization rate is reduced.
Disclosure of utility model
The utility model aims to provide a negative pressure debenzolization tower for negative pressure debenzolization, which aims to solve the problems that the prior negative pressure debenzolization tower is provided in the prior art, and when the negative pressure debenzolization tower is used in winter, a pipeline for conveying steam is easily affected by environment to cause lower temperature, so that the steam in the pipeline is pre-condensed to form water drops, and the steam utilization rate is reduced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a negative pressure debenzolization tower comprises debenzolization equipment;
The long pipe for conveying steam is arranged at the lower section of the outer edge surface of the benzene removal device, the sleeve is sleeved on the outer edge surface of the long pipe, a first short pipe inside the communication sleeve is arranged at one side, close to the benzene removal device, of the top end of the outer edge surface of the sleeve, a second short pipe inside the communication sleeve is arranged at one side, far away from the benzene removal device, of the bottom end of the outer edge surface of the sleeve, and an L-shaped pipe for conveying hot water to the inside of the first short pipe is arranged at one end of the first short pipe, so that the utilization rate of steam can be reduced and improved.
Preferably, a rectangular box is arranged below the long pipe, a transverse plate is arranged at the lower section of the inner part of the rectangular box, and the transverse plate divides the inner part of the rectangular box into a water storage cavity and a maintenance cavity from top to bottom for improving the utilization rate of steam.
Preferably, the bottom end of the L-shaped pipe extends into the inner bottom end of the water storage cavity, and a water pump for driving the L-shaped pipe to pump hot water in the water storage cavity is arranged on the L-shaped pipe and is used for recycling water resources.
Preferably, the top end of the second short pipe is communicated with the inside of the sleeve, the bottom end of the second short pipe is communicated with the water storage cavity, a round pipe communicated with the water storage cavity is arranged at the top end of the rectangular box, and a thin pipe for discharging hot water in the water storage cavity is arranged on the side surface of the rectangular box and used for adding water in the early stage and discharging water in the later stage during maintenance.
Preferably, the water storage cavity internally provided with the heater strip, two rotating plates for opening and closing the maintenance cavity are symmetrically arranged at the bottom end of the side face of the rectangular box, and the top end of the rectangular box is provided with a temperature sensor for detecting the temperature in the water storage cavity and used for detecting the temperature in real time.
Compared with the prior art, the utility model has the beneficial effects that:
Through the long tube that is equipped with, sleeve pipe, first nozzle stub, L type pipe, water pump, rectangle case, water storage chamber and heater strip, through the water in the heater strip heating water storage chamber, drive the hot water in the L type pipe extraction water storage chamber by the water pump, in the sleeve pipe is discharged into through first nozzle stub, heat the pipe wall of long tube, can be in winter in the real use, reduce the volume that appears intraductal steam pre-condensation and become the drop of water, improved the utilization ratio of steam.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the air intake apparatus of FIG. 1 according to the present utility model;
fig. 3 is an enlarged schematic view of the structure a of fig. 1 according to the present utility model.
In the figure: 1. benzene removing equipment; 2. a long tube; 3. a sleeve; 301. a first short tube; 302. a second short tube; 303. an L-shaped tube; 304. a water pump; 4. a rectangular box; 401. a cross plate; 402. a water storage chamber; 403. a maintenance cavity; 404. a heating wire; 405. and (5) rotating the plate.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
In the following detailed description of the embodiments of the present utility model, the cross-sectional view of the device structure is not partially enlarged to a general scale for the convenience of description, and the schematic is merely an example, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
Examples
Referring to fig. 1-3, there is shown: the embodiment is a preferred implementation manner in the technical scheme, and the negative pressure debenzolization tower comprises debenzolization equipment 1;
the long pipe 2 for conveying steam is arranged at the lower section of the outer edge surface of the benzene removal device 1, the sleeve 3 is sleeved on the outer edge surface of the long pipe 2, a first short pipe 301 communicated with the inside of the sleeve 3 is arranged at one side, close to the benzene removal device 1, of the top end of the outer edge surface of the sleeve 3, a second short pipe 302 communicated with the inside of the sleeve 3 is arranged at one side, far away from the benzene removal device 1, of the bottom end of the outer edge surface of the sleeve 3, and an L-shaped pipe 303 for conveying hot water to the inside of the first short pipe 301 is arranged at one end of the first short pipe 301.
As shown in fig. 1 and 2, a rectangular box 4 is arranged below the long pipe 2, a transverse plate 401 is arranged at the lower section of the interior of the rectangular box 4, and the transverse plate 401 divides the interior of the rectangular box 4 into a water storage cavity 402 and a maintenance cavity 403 from top to bottom;
As shown in fig. 1 and 3, the bottom end of the L-shaped pipe 303 extends into the inner bottom end of the water storage cavity 402, and a water pump 304 for driving the L-shaped pipe 303 to pump hot water in the water storage cavity 402 is arranged on the L-shaped pipe 303;
As shown in fig. 1 and 2, the top end of the second short pipe 302 is communicated with the inside of the sleeve 3, the bottom end of the second short pipe 302 is communicated with the water storage cavity 402, the top end of the rectangular box 4 is provided with a circular pipe communicated with the water storage cavity 402, and the side surface of the rectangular box 4 is provided with a thin pipe for discharging hot water in the water storage cavity 402;
As shown in fig. 1 and 2, a heating wire 404 is installed in the water storage cavity 402, two rotating plates 405 for opening and closing the maintenance cavity 403 are symmetrically installed at the bottom end of the side surface of the rectangular box 4, and a temperature sensor for detecting the temperature in the water storage cavity 402 is installed at the top end of the rectangular box 4;
In this embodiment, steam is conveyed into the benzene removal device 1 by the long pipe 2, then water in the water storage cavity 402 is heated by the heating wire 404, the water pump 304 drives the L-shaped pipe 303 to pump hot water in the water storage cavity 402, the hot water is discharged into the sleeve 3 through the first short pipe 301, the pipe wall of the long pipe 2 is heated, the water in the sleeve 3 is discharged into the water storage cavity 402 again by the second short pipe 302 for heating, and the water is recycled and detected in real time by the temperature sensor.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. A negative pressure debenzolization tower comprises debenzolization equipment (1);
The method is characterized in that:
The long pipe (2) for conveying steam is installed at the lower section of the outer edge surface of the benzene removal device (1), the sleeve (3) is sleeved on the outer edge surface of the long pipe (2), a first short pipe (301) for communicating the inside of the sleeve (3) is installed at one side, close to the benzene removal device (1), of the top end of the outer edge surface of the sleeve (3), a second short pipe (302) for communicating the inside of the sleeve (3) is installed at one side, far away from the benzene removal device (1), of the bottom end of the outer edge surface of the sleeve (3), and an L-shaped pipe (303) for conveying hot water to the inside of the first short pipe (301) is installed at one end of the first short pipe.
2. The negative pressure debenzolization tower of claim 1, wherein: a rectangular box (4) is arranged below the long pipe (2), a transverse plate (401) is arranged at the lower section of the inside of the rectangular box (4), and the transverse plate (401) divides the inside of the rectangular box (4) into a water storage cavity (402) and a maintenance cavity (403) from top to bottom.
3. The negative pressure debenzolization tower of claim 2, wherein: the bottom end of the L-shaped pipe (303) extends into the inner bottom end of the water storage cavity (402), and a water pump (304) for driving the L-shaped pipe (303) to pump hot water in the water storage cavity (402) is arranged on the L-shaped pipe (303).
4. The negative pressure debenzolization tower of claim 2, wherein: the top of second nozzle stub (302) communicates the inside of sleeve pipe (3), the bottom intercommunication of second nozzle stub (302) water storage chamber (402), the pipe of intercommunication water storage chamber (402) is installed on the top of rectangle case (4), the tubule of hot water in discharge water storage chamber (402) is installed to the side of rectangle case (4).
5. The negative pressure debenzolization tower of claim 2, wherein: the water storage cavity (402) internally mounted has heater strip (404), rotating plates (405) of two switching maintenance cavities (403) are installed to the side bottom symmetry of rectangle case (4), temperature sensor that detects the interior temperature of water storage cavity (402) is installed on the top of rectangle case (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322364684.0U CN220989697U (en) | 2023-09-01 | 2023-09-01 | Negative pressure debenzolization tower for debenzolization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322364684.0U CN220989697U (en) | 2023-09-01 | 2023-09-01 | Negative pressure debenzolization tower for debenzolization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220989697U true CN220989697U (en) | 2024-05-24 |
Family
ID=91088863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322364684.0U Active CN220989697U (en) | 2023-09-01 | 2023-09-01 | Negative pressure debenzolization tower for debenzolization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220989697U (en) |
-
2023
- 2023-09-01 CN CN202322364684.0U patent/CN220989697U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |