CN220478164U - System for clear up impurity in fractionating tower body, tower tray and cooler - Google Patents
System for clear up impurity in fractionating tower body, tower tray and cooler Download PDFInfo
- Publication number
- CN220478164U CN220478164U CN202322002985.9U CN202322002985U CN220478164U CN 220478164 U CN220478164 U CN 220478164U CN 202322002985 U CN202322002985 U CN 202322002985U CN 220478164 U CN220478164 U CN 220478164U
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- reflux
- pressure pump
- cooler
- tower
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- 239000012535 impurity Substances 0.000 title claims abstract description 18
- 238000010992 reflux Methods 0.000 claims abstract description 44
- 238000004140 cleaning Methods 0.000 claims abstract description 42
- 238000011010 flushing procedure Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 23
- 238000012423 maintenance Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000005194 fractionation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model relates to the technical field of fractionating tower equipment, in particular to a system for cleaning impurities in a tower body, a tower tray and a cooler of a fractionating tower, which comprises a tower body, a cooler, a flushing oil groove, a first pressure pump, a second pressure pump and a reflux groove, wherein the flushing oil groove is respectively communicated with the first pressure pump and the second pressure pump through a shunt pipe; the first pressure pump is communicated with the upper part of the tower body through a conveying pipeline, and the bottom of the tower body is communicated with the reflux tank through a conveying pipeline; the second pressure pump is communicated with a cooler cleaning inlet through a conveying pipeline, and a cooler cleaning outlet is communicated with a reflux tank through a conveying pipeline; the reflux tank is communicated with the reflux pump through a reflux pipe, and the reflux pump is communicated with the flushing oil tank; and the shunt pipe, the conveying pipeline and the return pipe are all provided with one-way electromagnetic valves. The cleaning system can improve the cleaning efficiency and save manpower, material resources and time cost.
Description
Technical Field
The utility model relates to the technical field of fractionating tower equipment, in particular to a system for cleaning impurities in a fractionating tower body, a tower tray and a cooler.
Background
When the fractionation tower is used for carrying out the fractionation of crude oil and other mild substances, if the mixture of two volatile liquids is distilled, the vapor phase and the liquid phase are balanced at the boiling temperature, the vapor contains a large amount of volatile substances, the vapor is condensed into liquid, the composition of the liquid is equal to the composition of the vapor phase (i.e. the liquid contains a large amount of volatile substances), and the residue contains a large amount of high-boiling-point components (difficult volatile substances), so that the separation of different substances is realized through multiple times of distillation in the fractionation tower.
The existing fractionating towers are large-scale chemical equipment, a large amount of refractory substances remain in the pipe wall of a material outlet in the tower body, in the tower tray, on the outer wall of a condenser and the like after the use is finished, the pipe orifice is not cleaned for a long time, so that the discharging speed is reduced, the traditional cleaning mode needs to open a tower manhole when cleaning the tower body and the tower tray impurities, a plurality of groups of personnel enter the tower body in batches in turn to clean the tower body, the tower tray is disassembled and removed from the outside of the tower for cleaning, the tower tray is moved into the tower again after the cleaning is finished, the tower manhole is closed after the tower tray is installed, and the tower body can be put into production for use; before personnel enter the tower and during operation, the environment in the tower needs to be detected and analyzed, so that the safety of the personnel is ensured, and the cleaning process needs to take at least ten days. When the cooler is blocked, after the blocked condensing cooler is dismounted by a maintainer, the blocked condensing cooler is cleaned by a crane from a floor-placing ground designated area, and then the standby condensing cooler is moved to a maintenance site to be put into use after the installation of the floor-placing floor by the crane is completed, so that the cooler is time-consuming and labor-consuming in the replacement process, and the cooler is cleaned at least for a week. The cleaning mode is complex in operation process, more in manpower and material resources consumption and longer in time consumption, delays the production process, and has certain potential safety hazards because the cleaning tower belongs to limited space operation.
Disclosure of Invention
The utility model aims to provide a system for cleaning impurities in a fractionating tower body, a tower tray and a cooler, which can improve the cleaning efficiency and save manpower, material resources and time cost.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows.
The system for cleaning impurities in the tower body, the tower tray and the cooler of the fractionating tower comprises a tower body, the cooler, a flushing oil groove, a first pressure pump, a second pressure pump and a reflux groove, wherein the flushing oil groove is respectively communicated with the first pressure pump and the second pressure pump through a shunt pipe; the first pressure pump is communicated with the upper part of the tower body through a conveying pipeline, and the bottom of the tower body is communicated with the reflux tank through a conveying pipeline; the second pressure pump is communicated with a cooler cleaning inlet through a conveying pipeline, and a cooler cleaning outlet is communicated with a reflux tank through a conveying pipeline; the reflux tank is communicated with the reflux pump through a reflux pipe, and the reflux pump is communicated with the flushing oil tank; and the shunt pipe, the conveying pipeline and the return pipe are all provided with one-way electromagnetic valves.
Further, a filter is arranged between the reflux groove and the reflux pump.
Further, a pressure dividing pipe is arranged on the first pressure pump, one end of the pressure dividing pipe is communicated with a conveying pipeline at the inlet of the first pressure pump, the other end of the pressure dividing pipe is communicated with a conveying pipeline at the outlet of the first pressure pump, and a one-way electromagnetic valve is arranged on the pressure dividing pipe.
The utility model has the beneficial effects that:
(1) The mode of automatically extracting wash oil to circularly clean the tower body is realized, the maintenance workload is greatly reduced, and the safety of cleaning work is improved. (2) The tower washing mode can save more than 20 days in terms of twice-per-year cleaning, saves labor cost by 16 persons/time, solves the problem that the shutdown maintenance intensity is long in time and is tight in the traditional cleaning mode, greatly shortens maintenance time and the number of required maintenance persons, does not occupy the personnel in maintenance, does not influence other maintenance processes, is beneficial to stable operation of production lines, and reduces shutdown loss. (3) The loss of parts generated when the tray and the cooler are disassembled and replaced is avoided, the abrasion of disassembly and assembly of the parts is reduced, and the service life of the fractionation device is prolonged.
Drawings
FIG. 1 is a schematic diagram of the system for cleaning impurities in the column, trays and coolers of the present utility model.
In the figure: the device comprises a 1-tower body, a 2-cooler, a 3-flushing oil tank, a 4-first pressure pump, a 5-second pressure pump, a 6-reflux tank, a 7-conveying pipeline, an 8-shunt pipe, a 9-reflux pipe, a 10-reflux pump, an 11-one-way electromagnetic valve, a 12-filter and a 13-pressure dividing pipe.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the present utility model is not limited to the specific embodiments disclosed below.
The system for cleaning impurities in the tower body, the tower tray and the cooler of the fractionating tower as shown in fig. 1 comprises a tower body 1, a cooler 2, a flushing oil tank 3, a first pressure pump 4, a second pressure pump 5 and a reflux tank 6, wherein the flushing oil tank 3 is respectively communicated with the first pressure pump 4 and the second pressure pump 5 through a shunt pipe 8; the first pressure pump 4 is communicated with the upper part of the tower body 1 through a conveying pipeline 7, and the bottom of the tower body 1 is communicated with a reflux tank 6 through the conveying pipeline 7; the second pressure pump 5 is communicated with a cleaning inlet of the cooler 2 through a conveying pipeline 7, and a cleaning outlet of the cooler 2 is communicated with a reflux tank 6 through the conveying pipeline 7; the bottom of the reflux groove 6 is provided with a discharge port, and the discharge port is also provided with a one-way valve for discharging impurities precipitated in the reflux groove 6; the reflux tank 6 is communicated with the reflux pump 10 through a reflux pipe 9, a filter 12 is arranged between the reflux tank 6 and the reflux pump 10, and the reflux pump 10 is communicated with the flushing oil tank 3; the shunt pipe 8, the conveying pipeline 7 and the return pipe 9 are all provided with one-way electromagnetic valves 11.
In this embodiment, the material outlet section of the tower body 1 is provided with a pressure sensor (not shown in the figure), and the pressure difference in the material outlet section of the distillation tower can be detected by the pressure sensor, so as to determine the blockage condition in the tower. Be equipped with bleeder tube 13 on the first pressure pump 4, bleeder tube 13 one end and the pipeline 7 intercommunication of first pressure pump 4 import department, the other end and pipeline 7 intercommunication of first pressure pump 4 exit are equipped with one-way solenoid valve 11 on the bleeder tube 13, bleeder tube 13 can play the effect of changing the velocity of flow of the wash oil of pumping into tower 1, and if necessary opens the valve on bleeder tube 13, slows down the wash oil velocity of flow, can prolong the dwell time of wash oil in tower 1, strengthens the effect of dissolving impurity. In other embodiments, a sweeping spray pipe (not shown in the figure) can be further arranged on the side edge of each layer of tray of the fractionating tower body 1, the air outlet of the sweeping spray pipe is connected with a rotary spray head, the sweeping spray pipe is externally connected with an air booster pump, and the side wall and the tray of the fractionating tower body 1 are purged through high-pressure air flow, so that the cleaning speed is increased.
When the pressure sensor detects that the pressure in the material outlet section of the tower body 1 exceeds a threshold value, the residue is more required to be cleaned. When the tower body 1 is cleaned, the washing oil stored in the washing oil groove 3 is pumped into the tower body 1 and the tower tray from the top of the tower body 1 through the first pressure pump 4, flows to the bottom of the tower through the tower tray, dissolves and washes impurities in the tower body 1 in the flowing process of the washing oil, flows out from the outlet of the bottom of the tower, and enters the reflux groove 6 for recycling. The impurities are discharged at fixed time after being precipitated in the reflux tank 6, the dissolved impurities in the wash oil are filtered by the filter 12, and then the wash oil can be pumped into the wash oil tank 3 for standby through the reflux pump 10 for circulating cleaning. After the washing is circularly carried out for a certain number of times, the washing oil in the washing oil groove 3 needs to be replaced so as to achieve better cleaning effect. The same applies to the cleaning of the cooler 2, the second pressure pump 5 pumps the cleaning oil in the flushing oil tank 3 into the cleaning channel of the cooler 2, and the cleaning oil flows into the reflux tank 6 after cleaning and is pumped to the flushing oil tank 3 for standby through the reflux pump 10 so as to be convenient for circulating cleaning. By adopting the system for cleaning impurities in the tower body, the tower tray and the cooler of the fractionating tower, the tower body 1 and the cooler 2 can be cleaned separately and simultaneously, and an operator can start the first split-pressure pump or the second split-pressure pump according to actual requirements so as to adapt to different cleaning requirements, save cost and reduce cleaning time.
Claims (3)
1. The system for cleaning impurities in the tower body, the tower tray and the cooler of the fractionating tower is characterized by comprising a tower body, the cooler, a flushing oil groove, a first pressure pump, a second pressure pump and a reflux groove, wherein the flushing oil groove is respectively communicated with the first pressure pump and the second pressure pump through shunt pipes; the first pressure pump is communicated with the upper part of the tower body through a conveying pipeline, and the bottom of the tower body is communicated with the reflux tank through a conveying pipeline; the second pressure pump is communicated with a cooler cleaning inlet through a conveying pipeline, and a cooler cleaning outlet is communicated with a reflux tank through a conveying pipeline; the reflux tank is communicated with the reflux pump through a reflux pipe, and the reflux pump is communicated with the flushing oil tank; and the shunt pipe, the conveying pipeline and the return pipe are all provided with one-way electromagnetic valves.
2. The system for cleaning impurities in a column, tray and cooler of claim 1, wherein a filter is disposed between the reflux drum and reflux pump.
3. The system for cleaning impurities in a fractionating tower body, a tower tray and a cooler according to claim 1, wherein a pressure dividing pipe is arranged on the first pressure pump, one end of the pressure dividing pipe is communicated with a conveying pipeline at the inlet of the first pressure pump, the other end of the pressure dividing pipe is communicated with a conveying pipeline at the outlet of the first pressure pump, and a one-way electromagnetic valve is arranged on the pressure dividing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322002985.9U CN220478164U (en) | 2023-07-28 | 2023-07-28 | System for clear up impurity in fractionating tower body, tower tray and cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322002985.9U CN220478164U (en) | 2023-07-28 | 2023-07-28 | System for clear up impurity in fractionating tower body, tower tray and cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220478164U true CN220478164U (en) | 2024-02-13 |
Family
ID=89843219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322002985.9U Active CN220478164U (en) | 2023-07-28 | 2023-07-28 | System for clear up impurity in fractionating tower body, tower tray and cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220478164U (en) |
-
2023
- 2023-07-28 CN CN202322002985.9U patent/CN220478164U/en active Active
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| GR01 | Patent grant | ||
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