CN213835199U - Final cooling tower wash oil sprays except that naphthalene device - Google Patents
Final cooling tower wash oil sprays except that naphthalene device Download PDFInfo
- Publication number
- CN213835199U CN213835199U CN202022728072.1U CN202022728072U CN213835199U CN 213835199 U CN213835199 U CN 213835199U CN 202022728072 U CN202022728072 U CN 202022728072U CN 213835199 U CN213835199 U CN 213835199U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- oil
- cooling tower
- final cooling
- washing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model provides a washing oil spraying naphthalene removing device of a final cooling tower, belonging to the technical field of coking crude benzene preparation; the problems that the unit consumption of washing oil is high and the washing oil cannot be reused are solved; the system comprises a lean oil cooler, a final cooling tower, a benzene washing tower and a water condensate water seal tank, wherein a lean oil diffusing port of the lean oil cooler is connected with a wash oil spraying inlet of the final cooling tower through a first pipeline; a liquid outlet pipe of the final cooling tower is connected with a second pipeline, the second pipeline is respectively connected with a third pipeline and a fourth pipeline, and the third pipeline is connected to an oil-rich U-shaped liquid seal pipe of the benzene washing tower; the fourth pipeline is connected to the condensate water-sealed tank; the utility model discloses utilize circulation wash oil to spray and wash the final cooling tower, and the wash oil that sprays can all get back to in the wash oil circulation system, effectively avoid the continuous increase of the final cooling tower resistance, practice thrift the washing expense.
Description
Technical Field
The utility model belongs to the technical field of the preparation of coking crude benzol, specifically be a naphthalene removing device is sprayed to final cooling tower wash oil.
Background
In the crude benzene section of the coking chemical production workshop, naphthalene in the final cooling tower is removed by a method of spraying washing oil, and the sprayed washing oil has too much water and cannot be reused in the system, so that the cleaning cost of the final cooling tower is very high.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a last cooling tower wash oil sprays except that naphthalene device, solves wash oil unit consumption height, unable reuse's problem.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
A washing oil spraying naphthalene removing device of a final cooling tower comprises a lean oil cooler, the final cooling tower, a benzene washing tower and a water condensate water seal tank, wherein a lean oil diffusing port of the lean oil cooler is connected with a washing oil spraying inlet of the final cooling tower through a first pipeline; a liquid outlet pipe of the final cooling tower is connected with a second pipeline, the second pipeline is respectively connected with a third pipeline and a fourth pipeline, and the third pipeline is connected to an oil-rich U-shaped liquid seal pipe of the benzene washing tower; the fourth pipeline is connected to the water seal tank of the water condensate; a first valve is arranged on the first pipeline, and a second valve is arranged on the second pipeline; and a third valve is arranged on the third pipeline, and a fourth valve is arranged on the fourth pipeline.
Furthermore, two second valves are arranged on the second pipeline in parallel.
Furthermore, the second pipeline is respectively connected with the third pipeline and the fourth pipeline through a tee joint.
Further, the washing oil spraying inlet is arranged at the top of the final cooling tower.
Further, the oil-rich U-shaped liquid seal pipe is arranged at the bottom of the benzene washing tower.
The utility model discloses produced beneficial effect does for prior art.
The utility model discloses be applied to the washing of the final cooling tower in crude benzol workshop section, can effectively reduce the final cooling tower resistance, avoid the multiple maintenance, show simultaneously and reduced the wash oil unit consumption of retrieving crude benzol. The final cooling tower is sprayed and cleaned by utilizing the circulating washing oil, the sprayed washing oil can completely return to the washing oil circulating system, electric energy and steam are not additionally consumed, and the operation cost is zero. And can effectively avoid the continuous increase of the resistance of the final cooling tower, prolong the service life of the final cooling tower, effectively solve the problem of blockage of the final cooling tower and greatly save the cleaning cost.
Drawings
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the following drawings are combined for illustration:
FIG. 1 is a schematic structural diagram of a naphthalene removal device for spraying wash oil of a final cooling tower according to an embodiment;
in the figure, 1 is a lean oil cooler, 2 is a final cooling tower, 3 is a benzene washing tower, 4 is a water seal tank for a water condensate, 5 is a first pipeline, 6 is a spraying inlet for washing oil, 7 is a second pipeline, 8 is a third pipeline, 9 is a fourth pipeline, 10 is a U-shaped liquid seal pipe for rich oil, 11 is a first valve, 12 is a second valve, 13 is a third valve, and 14 is a fourth valve.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 1, the washing oil spraying naphthalene removing device for the final cooling tower comprises a lean oil cooler 1, a final cooling tower 2, a benzene washing tower 3 and a water condensate water-sealed tank 4, wherein a lean oil discharge port of the lean oil cooler 1 is connected with a washing oil spraying inlet 6 of the final cooling tower 2 through a first pipeline 5 of DN 50; and a washing oil spraying inlet 6 is arranged at the top of the final cooling tower 2. A liquid descending pipe of the final cooling tower 2 is connected with a second pipeline 7, the second pipeline 7 is respectively connected with a third pipeline 8 and a fourth pipeline 9 through a tee joint, and the third pipeline 8 is connected with an oil-rich U-shaped liquid seal pipe 10 of the benzene washing tower 3; the oil-rich U-shaped liquid seal pipe 10 is arranged at the bottom of the benzene washing tower 3. The fourth pipeline 9 is connected to the water-sealed tank 4 of the water condensate; a first valve 11 is arranged on the first pipeline 5, and two second valves 12 are arranged on the second pipeline 7 in parallel; a third valve 13 is arranged on the third pipeline 8, and a fourth valve 14 is arranged on the fourth pipeline 9.
And a part of the wash oil is pumped to a wash oil spraying inlet 6 at the top of the final cooling tower 2 by using the outlet pressure of the lean oil pump at a lean oil discharge port behind the first-stage lean oil cooler 1 for spraying. A tee joint is connected to a lower liquid pipe of the final cooling tower 2 through a second pipeline 7, valves are additionally arranged behind the tee joint respectively, original lower liquid is fed into the condensate water seal tank 4 through a fourth pipeline 9, and a third pipeline 8 in the other direction of the tee joint is connected with an oil-rich U-shaped liquid seal pipe 10 of the benzene washing tower 3. The second valve 12 and the fourth valve 14 are normally open, and the first valve 11 and the third valve 13 are normally closed. Under the normal production condition, the effluent of the final cooling tower 2 enters a water condensate water seal tank 4 through a raw effluent pipe; when the final cooling tower 2 is cleaned by the washing oil, the first valve 11 is opened, the fourth valve 14 is closed, the third valve 13 is opened again, and the washing oil sprayed from the top of the final cooling tower 2 enters the oil-rich tank through the oil-rich U-shaped liquid seal pipe 10 of the benzene washing tower 3, so that the closed circulation of the washing oil is realized.
Crude benzol workshop section is from implementing the final cooling tower washing technique in order, can effectively reduce the final cooling tower resistance, avoid the maintenance many times, show simultaneously and reduced the wash oil unit consumption of retrieving crude benzol.
And (3) comparing the unit consumption of washing oil:
the above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.
Claims (5)
1. The washing oil spraying naphthalene removing device for the final cooling tower is characterized by comprising a lean oil cooler (1), the final cooling tower (2), a benzene washing tower (3) and a water condensate water seal tank (4), wherein a lean oil diffusing port of the lean oil cooler (1) is connected with a washing oil spraying inlet (6) of the final cooling tower (2) through a first pipeline (5); a liquid outlet pipe of the final cooling tower (2) is connected with a second pipeline (7), the second pipeline (7) is respectively connected with a third pipeline (8) and a fourth pipeline (9), and the third pipeline (8) is connected to an oil-rich U-shaped liquid seal pipe (10) of the benzene washing tower (3); the fourth pipeline (9) is connected to the water-sealed tank (4) of the water condensate; a first valve (11) is arranged on the first pipeline (5), and a second valve (12) is arranged on the second pipeline (7); a third valve (13) is arranged on the third pipeline (8), and a fourth valve (14) is arranged on the fourth pipeline (9).
2. The final cooling tower washing oil spraying naphthalene removal device as claimed in claim 1, wherein two second valves (12) are arranged on the second pipeline (7) in parallel.
3. The spray naphthalene removal device for the washing oil of the final cooling tower as claimed in claim 1, wherein the second pipeline (7) is connected with the third pipeline (8) and the fourth pipeline (9) through a tee joint respectively.
4. The spray naphthalene removal device of claim 1, wherein the wash oil spray inlet (6) is arranged at the top of the final cooling tower (2).
5. The spraying naphthalene removing device for the washing oil of the final cooling tower according to claim 1, wherein the oil-rich U-shaped liquid seal pipe (10) is arranged at the bottom of the benzene washing tower (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728072.1U CN213835199U (en) | 2020-11-23 | 2020-11-23 | Final cooling tower wash oil sprays except that naphthalene device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728072.1U CN213835199U (en) | 2020-11-23 | 2020-11-23 | Final cooling tower wash oil sprays except that naphthalene device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213835199U true CN213835199U (en) | 2021-07-30 |
Family
ID=76990114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022728072.1U Active CN213835199U (en) | 2020-11-23 | 2020-11-23 | Final cooling tower wash oil sprays except that naphthalene device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213835199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114891541A (en) * | 2022-05-27 | 2022-08-12 | 山东省冶金设计院股份有限公司 | Coke oven gas final cooler resistance cleaning system and use method |
-
2020
- 2020-11-23 CN CN202022728072.1U patent/CN213835199U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114891541A (en) * | 2022-05-27 | 2022-08-12 | 山东省冶金设计院股份有限公司 | Coke oven gas final cooler resistance cleaning system and use method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213835199U (en) | Final cooling tower wash oil sprays except that naphthalene device | |
| CN201488631U (en) | Horizontal water-tube primary cooler descaling device | |
| CN110986449B (en) | Primary cooling process and device for refrigerating by using circulating ammonia water waste heat | |
| CN102008847A (en) | Cleaning method of bag filter used in low temperature methanol washing process | |
| CN218811535U (en) | Device capable of realizing quick oil return at normal bottom | |
| CN206502787U (en) | A kind of removing tar dirt system of coke-stove gas | |
| CN212893983U (en) | Novel industrial circulating water pool | |
| CN201901653U (en) | Pipeline washing device of a dry-process acetylene generator | |
| CN102107195A (en) | Method for cleaning float flowmeter on line and circulating cooling water system | |
| CN209512640U (en) | A kind of primary cooler lower section membrane off-line cleaning system | |
| CN203949404U (en) | The water-cooling tower of on-line cleaning | |
| CN201964833U (en) | On-line forced back flushing device for cooler | |
| CN101993699A (en) | Coking indirect final cooling tower circulation washing process | |
| CN108325343B (en) | Integrated high-efficiency ammonia recovery device | |
| CN201253624Y (en) | Online hot cleaning system of vacuum ethylene glycol circulation pipeline | |
| CN212962958U (en) | Heat exchange system and yeast fermentation system using same | |
| CN219922580U (en) | Anti-icing washing tower | |
| CN210601056U (en) | Fresh water user flow reconstruction system of catalytic device | |
| CN210559466U (en) | Chemical sewage recycling and discharge reducing device | |
| CN218306223U (en) | Flash tank exhaust washing recovery unit | |
| CN217179393U (en) | Cleaning system for heat exchanger of final cooling tower | |
| CN215064030U (en) | Condenser online cleaning device | |
| CN216738233U (en) | Combined coal gas cooling and benzene compound washing device | |
| CN213631752U (en) | Intelligent water-saving equipment of industrial cooling tower | |
| CN220907148U (en) | Post-digestion tank exhaust steam recovery system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |