CN218148664U - Water injection device for top of atmospheric and vacuum distillation unit of oil refinery - Google Patents
Water injection device for top of atmospheric and vacuum distillation unit of oil refinery Download PDFInfo
- Publication number
- CN218148664U CN218148664U CN202222163560.1U CN202222163560U CN218148664U CN 218148664 U CN218148664 U CN 218148664U CN 202222163560 U CN202222163560 U CN 202222163560U CN 218148664 U CN218148664 U CN 218148664U
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- Prior art keywords
- water injection
- water
- pipe
- injection pipe
- vacuum distillation
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 184
- 238000002347 injection Methods 0.000 title claims abstract description 97
- 239000007924 injection Substances 0.000 title claims abstract description 97
- 238000005292 vacuum distillation Methods 0.000 title claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000007790 scraping Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 7
- 238000007667 floating Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical class N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to the technical field of water injection devices at the top of a tower, and provides a water injection device at the top of a tower of an atmospheric and vacuum distillation unit of an oil refinery, which comprises a fractionating tower, a fixing frame, a water delivery pipe, a water pump, a water storage tank, a support column and a ball float valve; the left side surface of the fractionating tower is fixedly provided with a fixing frame, a water delivery pipe positioned on the left side of the fixing frame and a water pump positioned at the bottom of the water delivery pipe, the top of the water delivery pipe is provided with a water storage tank in a penetrating way, the left side and the right side of the bottom surface of the water storage tank are fixed at the top of the fractionating tower through supporting columns, and a ball float valve is embedded into the top of the inner side of the water delivery pipe; when water flows down through the water injection pipe, can drive turbine blade and rotate for turbine blade drives the pivot and rotates along the bearing on the diaphragm, makes the pivot pass through the connecting rod and drives the scraper blade and rotate, and the scraper blade is incessant to be scraped the outside surface of water injection pipe, guarantees the cleanness of 10 outside surfaces of water injection pipe, prevents that the water injection pipe outside from being stained with and attaches the ammoniacal salt, avoids the water injection pipe to damage because of the corruption, increases the life of water injection pipe.
Description
Technical Field
The utility model relates to a top of tower water injection technical field especially relates to an oil refinery atmospheric and vacuum distillation plant top of tower water injection device.
Background
The atmospheric and vacuum distillation device is a general term for two devices of atmospheric distillation and vacuum distillation, and the two devices are usually together, so the atmospheric and vacuum distillation device is called as an atmospheric and vacuum distillation device and mainly comprises three procedures: desalting and dehydrating crude oil; distilling under normal pressure; the vacuum distillation and the top water injection are process anti-corrosion means frequently adopted by oil refineries, the position of an initial setting area is controlled and adjusted by water injection, ammonia salt scaling is inhibited, and corrosion under scale is avoided;
for example, the patent number ZL202220046644.4 in the prior art is an overhead water injection device for an atmospheric and vacuum device of an oil refinery; the device adopts a replaceable water injection mechanism, realizes a sealing communication structure convenient to disassemble by utilizing the matching of the fixed cylinder and the connecting column, can realize the quick replacement of a water injection component when the device runs, is provided with an auxiliary water injection port beside a main water injection port, can perform spraying operation at the tail end of the water injection port during water injection to remove ammonia salt outside the water injection port, and avoids the damage of the water injection port due to corrosion;
but the research shows that;
although the device is equipped with vice water filling port, can spray the operation when the water filling port end and get rid of the outside ammoniacal salt of water filling port, avoid the water filling port to damage because of corroding, but the device stretches into the spliced pole in the fractionating tower also can receive the corruption of ammonium salt, leads to influencing the normal operation of spraying, needs to change the spliced pole, influences efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems existing in the prior art and providing a water injection device at the top of an atmospheric and vacuum distillation unit of an oil refinery.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a water injection device at the top of an atmospheric and vacuum distillation unit of an oil refinery comprises a fractionating tower, a fixed frame, a water delivery pipe, a water pump, a water storage tank, a support column and a ball float valve;
the left surface of the fractionating tower is fixedly provided with a fixing frame, a water delivery pipe positioned on the left side of the fixing frame and a water pump positioned at the bottom of the water delivery pipe, the top of the water delivery pipe is provided with a water storage tank in a penetrating way, the left side and the right side of the bottom surface of the water storage tank are fixed at the top of the fractionating tower through supporting columns, a ball float valve is embedded and arranged at the top of the inner side of the water delivery pipe, an electromagnetic valve positioned in the center of the bottom surface of the water storage tank, a connecting pipe positioned below the electromagnetic valve and a water injection pipe positioned at the bottom of the connecting pipe;
the water injection pipe comprises a transverse plate, a rotating shaft, a connecting rod, a scraping plate and a turbine blade; the fixed diaphragm that sets up in inboard top of water injection pipe, the bottom surface central authorities of diaphragm are provided with the pivot through the bearing rotation, the bottom of pivot is provided with the scraper blade through the connecting rod is fixed, the left and right sides surface central authorities of pivot are fixed and are provided with turbine blade.
Preferably, the outer surface of the electromagnetic valve is fixedly provided with an external thread, an internal thread is arranged above the inner surface of the connecting pipe, and an internal thread is arranged above the inner surface of the connecting pipe and connected to the external thread on the electromagnetic valve in a threaded manner.
Preferably, the inside surface below of the connecting pipe is provided with an internal thread, the outside surface of the water injection pipe is fixedly provided with an external thread, and the inside surface below of the connecting pipe is provided with an internal thread screwed on the external thread of the water injection pipe.
Preferably, the length of the connecting pipe is 1.5 to 2 times of the length of the water injection pipe.
Preferably, the outer diameter of the upper part of the water injection pipe is larger than the outer diameter of the lower part of the water injection pipe, and the difference between the outer diameter of the upper part of the water injection pipe and the outer diameter of the lower part of the water injection pipe is larger than the thickness of the scraper plate.
Preferably, the connecting rod and the scraper are made of rubber materials, and the scraper is tightly attached to the outer side surface of the water injection pipe.
Preferably, the top level of the scraper is equal to the top level of the inside of the fractionating column.
Has the advantages that:
1. when the water level in the water storage tank is too high, the floating ball on the floating ball valve rises, the floating ball valve is closed, water in the water delivery pipe cannot enter the water storage tank, when the water level in the water storage tank is too low, the floating ball on the floating ball valve descends, the water delivery pipe supplies water for the water storage tank again, the water delivery pipe is opened through the electromagnetic valve, and the water in the water storage tank enters the water injection pipe through the connecting pipe, so that the water supply effect is achieved;
2. through being provided with the connecting pipe, when needing to be changed the water injection pipe, through at first rotating the connecting pipe for the connecting pipe takes out from the solenoid valve, rotates the connecting pipe again, takes out the connecting pipe from the water injection pipe, makes the connecting pipe can not influence the water injection pipe and up removes, thereby the convenience is to the change water injection pipe of water injection pipe.
3. When water flows down through the water injection pipe, can drive turbine blade and rotate, make turbine blade drive the pivot rotate along the bearing on the diaphragm, make the pivot drive the scraper blade through the connecting rod and rotate, the scraper blade is incessant to be scraped to the outside surface of water injection pipe, guarantees the cleanness on 10 outside surfaces of water injection pipe, prevents that the water injection pipe outside is stained with and attaches the ammoniacal salt, avoids the water injection pipe to damage because of corroding, increases the life of water injection pipe.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure section of the present invention.
Fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 according to the present invention.
Fig. 3 is the schematic view of the local structure splitting structure of the present invention.
Fig. 4 is the overall structure diagram of the water injection pipe of the present invention.
Fig. 5 is a schematic view of a partial structure of fig. 4 according to the present invention.
Illustration of the drawings: 1. a fractionating column; 2. a fixed mount; 3. a water delivery pipe; 4. a water pump; 5. a water storage tank; 6. a support pillar; 7. a float valve; 8. an electromagnetic valve; 9. a connecting pipe; 10. a water injection pipe; 1001. a transverse plate; 1002. a rotating shaft; 1003. a connecting rod; 1004. a squeegee; 1005. a turbine blade.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments.
The first embodiment is as follows:
referring to fig. 1-3, a water injection device at the top of an atmospheric and vacuum distillation unit of an oil refinery comprises a fractionating tower 1, a fixed frame 2, a water delivery pipe 3, a water pump 4, a water storage tank 5, a support column 6 and a ball float valve 7;
the left side surface of the fractionating tower 1 is fixedly provided with a fixing frame 2, a water delivery pipe 3 positioned on the left side of the fixing frame 2, a water pump 4 positioned at the bottom of the water delivery pipe 3, the top of the water delivery pipe 3 is provided with a water storage tank 5 in a penetrating way, the left side and the right side of the bottom surface of the water storage tank 5 are fixed at the top of the fractionating tower 1 through support columns 6, a ball float valve 7 is embedded and arranged at the top of the inner side of the water delivery pipe 3, an electromagnetic valve 8 positioned in the center of the bottom surface of the water storage tank 5, a connecting pipe 9 positioned below the electromagnetic valve 8, and a water injection pipe 10 positioned at the bottom of the connecting pipe 9;
wherein, the outside fixed surface of solenoid valve 8 is provided with the external screw thread, and is provided with the internal thread above the internal surface of connecting pipe 9, and connecting pipe 9 internal surface top is provided with on the external screw thread of internal thread threaded connection on solenoid valve 8, makes things convenient for connecting pipe 9 to be connected with solenoid valve 8.
Wherein, connecting pipe 9 inside surface below is provided with the internal thread, and the fixed external screw thread that is provided with in outside surface top of water injection pipe 10, and connecting pipe 9 inside surface below is provided with internal thread threaded connection on the external screw thread on water injection pipe 10, makes things convenient for connecting pipe 9 to be connected with water injection pipe 10.
Wherein, the length of the connecting pipe 9 is 1.5 to 2 times of the length of the water injection pipe 10, so that the water injection pipe 10 can be conveniently taken out.
When the water supply device is used, an external water source is pumped to the water delivery pipe 3 through the water pump 4, water enters the water storage tank 5 through the water delivery pipe 3 to be stored, through the arrangement of the ball float valve 7, when the water level in the water storage tank 5 is too high, the ball float on the ball float valve 7 rises, the ball float valve 7 is closed, the water in the water delivery pipe 3 cannot enter the water storage tank 5, when the water level in the water storage tank 5 is too low, the ball float on the ball float valve descends, the water delivery pipe 3 supplies water to the water storage tank 5 again, the electromagnetic valve 8 is opened, and the water in the water storage tank 5 enters the water injection pipe 10 through the connecting pipe, so that the water supply effect is achieved;
through being provided with connecting pipe 9, when needing to change water injection pipe 10, through at first rotating connecting pipe 9 for the connecting pipe takes out from solenoid valve 8, rotates connecting pipe 9 again, takes out connecting pipe 9 from water injection pipe 10, makes connecting pipe 9 can not influence water injection pipe 10 and up removes, thereby convenient change water injection pipe 10 to water injection pipe 10.
The second embodiment:
referring to fig. 1 to 5, the difference from the first embodiment is that:
wherein, the water injection pipe 10 comprises a transverse plate 1001, a rotating shaft 1002, a connecting rod 1003, a scraping plate 1004 and a turbine blade 1005; a horizontal plate 1001 is fixedly arranged at the top of the inner side of the water injection pipe 10, a rotating shaft 1002 is rotatably arranged at the center of the bottom surface of the horizontal plate 1001 through a bearing, a scraping plate 1004 is fixedly arranged at the bottom of the rotating shaft 1002 through a connecting rod 1003, and turbine blades 1005 are fixedly arranged at the centers of the left and right surfaces of the rotating shaft 1002.
Wherein, the outer diameter above the water injection pipe 10 is larger than the outer diameter below, and the difference between the outer diameter above the water injection pipe 10 and the outer diameter below is larger than the thickness of the scraper 1004, so as to prevent the scraper 1004 from influencing the taking-out of the water injection pipe 10.
Wherein, connecting rod 1003 and scraper 1004 are the rubber material, and scraper 1004 hugs closely in the outside surface of water injection pipe 10, scrapes the outside surface of water injection pipe 10 through scraper 1004, prevents that the outside of water injection pipe 10 is stained with the ammoniacal salt, avoids water injection pipe 10 to damage because of corroding.
Wherein, the top level of the scraping plate 1004 is equal to the top level of the inner side of the fractionating tower 1, which facilitates the scraping plate 1004 to clean all the water injection pipes 10 entering the fractionating tower 1.
When water down flows through water injection pipe 10, can drive turbine blade 1005 and rotate for turbine blade 1005 drives pivot 1002 and rotates along the bearing on the diaphragm 1001, makes pivot 1002 pass through connecting rod 1003 and drives scraper 1004 and rotate, and scraper 1004 is to the incessant scraping of the outside surface of water injection pipe 10, guarantees the clean of water injection pipe 10 outside surface, prevents that the outside of water injection pipe 10 is stained with attaches the ammoniacal salt, avoids water injection pipe 10 to damage because of corroding.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (7)
1. A water injection device at the top of an atmospheric and vacuum distillation unit of an oil refinery is characterized in that; comprises a fractionating tower (1), a fixed frame (2), a water pipe (3), a water pump (4), a water storage tank (5), a support column (6) and a ball float valve (7);
the left side surface of the fractionating tower (1) is fixedly provided with a fixing frame (2), a water pipe (3) positioned on the left side of the fixing frame (2), and a water pump (4) positioned at the bottom of the water pipe (3), the top of the water pipe (3) is provided with a water storage tank (5) in a penetrating way, the left side and the right side of the bottom surface of the water storage tank (5) are fixed at the top of the fractionating tower (1) through support columns (6), a ball float valve (7) is embedded at the top of the inner side of the water pipe (3), an electromagnetic valve (8) positioned in the center of the bottom surface of the water storage tank (5), a connecting pipe (9) positioned below the electromagnetic valve (8), and a water injection pipe (10) positioned at the bottom of the connecting pipe (9);
the water injection pipe (10) comprises a transverse plate (1001), a rotating shaft (1002), a connecting rod (1003), a scraping plate (1004) and a turbine blade (1005); the water injection pipe is characterized in that a transverse plate (1001) is fixedly arranged at the top of the inner side of the water injection pipe (10), a rotating shaft (1002) is rotatably arranged at the center of the surface of the bottom of the transverse plate (1001) through a bearing, a scraper (1004) is fixedly arranged at the bottom of the rotating shaft (1002) through a connecting rod (1003), and turbine blades (1005) are fixedly arranged at the centers of the surfaces of the left side and the right side of the rotating shaft (1002).
2. The oil refinery atmospheric and vacuum distillation unit tower top water injection device of claim 1, wherein: the outer side surface of the electromagnetic valve (8) is fixedly provided with external threads, internal threads are arranged above the inner surface of the connecting pipe (9), and internal threads are arranged above the inner surface of the connecting pipe (9) and connected onto the external threads on the electromagnetic valve (8).
3. The oil refinery atmospheric and vacuum distillation unit tower top water injection device of claim 1, characterized in that: the connecting pipe (9) is provided with an internal thread below the inner surface, an external thread is fixedly arranged above the outer surface of the water injection pipe (10), and an internal thread is arranged below the inner surface of the connecting pipe (9) and connected to the external thread on the water injection pipe (10).
4. The oil refinery atmospheric and vacuum distillation unit tower top water injection device of claim 1, characterized in that: the length of the connecting pipe (9) is 1.5 to 2 times of the length of the water injection pipe (10).
5. The oil refinery atmospheric and vacuum distillation unit tower top water injection device of claim 1, characterized in that: the outer diameter of the upper part of the water injection pipe (10) is larger than the outer diameter of the lower part of the water injection pipe, and the difference between the outer diameter of the upper part of the water injection pipe (10) and the outer diameter of the lower part of the water injection pipe is larger than the thickness of the scraper (1004).
6. The oil refinery atmospheric and vacuum distillation unit tower top water injection device of claim 1, wherein: the connecting rod (1003) and the scraper (1004) are both made of rubber materials, and the scraper (1004) is tightly attached to the outer side surface of the water injection pipe (10).
7. The oil refinery atmospheric and vacuum distillation unit tower top water injection device of claim 1, characterized in that: the top level of the scraper (1004) is equal to the top level of the inside of the fractionating tower (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222163560.1U CN218148664U (en) | 2022-08-17 | 2022-08-17 | Water injection device for top of atmospheric and vacuum distillation unit of oil refinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222163560.1U CN218148664U (en) | 2022-08-17 | 2022-08-17 | Water injection device for top of atmospheric and vacuum distillation unit of oil refinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218148664U true CN218148664U (en) | 2022-12-27 |
Family
ID=84551569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222163560.1U Expired - Fee Related CN218148664U (en) | 2022-08-17 | 2022-08-17 | Water injection device for top of atmospheric and vacuum distillation unit of oil refinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218148664U (en) |
-
2022
- 2022-08-17 CN CN202222163560.1U patent/CN218148664U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221227 |