CN220317709U - Heavy oil extraction device - Google Patents
Heavy oil extraction device Download PDFInfo
- Publication number
- CN220317709U CN220317709U CN202321899884.XU CN202321899884U CN220317709U CN 220317709 U CN220317709 U CN 220317709U CN 202321899884 U CN202321899884 U CN 202321899884U CN 220317709 U CN220317709 U CN 220317709U
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- Prior art keywords
- oil
- heavy
- heat exchanger
- anthracene
- raw
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- 239000000295 fuel oil Substances 0.000 title claims abstract description 57
- 238000000605 extraction Methods 0.000 title claims abstract description 39
- 239000003921 oil Substances 0.000 claims abstract description 175
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 claims abstract description 130
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000010992 reflux Methods 0.000 claims description 17
- 239000010724 circulating oil Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 3
- 238000005215 recombination Methods 0.000 claims description 2
- 230000006798 recombination Effects 0.000 claims description 2
- 238000003809 water extraction Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 20
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000005194 fractionation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The application discloses heavy oil extraction device, including raw materials oil preheater, filter, buffer tank, first heat exchanger, second heat exchanger, heavy oil/raw materials oil heat exchanger, raw materials oil/circulation oil heat exchanger, heating furnace and raw materials oil fractionating tower that connect gradually, raw materials oil/circulation oil heat exchanger is provided with the heat transfer line that is used for circulating outside circulation oil, and the lower part of raw materials oil fractionating tower is connected with heavy anthracene oil pump, and heavy anthracene oil pump is connected to heavy anthracene oil tank through discharge line and heavy anthracene oil cooler, and discharge line between heavy anthracene oil pump and the heavy anthracene oil cooler passes through circulation line connection heavy oil/raw materials oil heat exchanger for give raw materials oil in the heavy oil/raw materials oil heat exchanger continuously provides heat energy, and the bottom of raw materials oil fractionating tower is through heavy oil pipeline backward flow to the lower part of raw materials oil fractionating tower all the way, and another way is through the outer jar of adopting cooling device connection heavy oil. The heavy oil extraction device can effectively improve heat energy utilization efficiency and reduce energy consumption.
Description
Technical Field
The utility model relates to the technical field of raw oil deep processing decompression fractionation equipment, in particular to a heavy oil extraction device.
Background
In the deep processing treatment process of the raw oil, the raw material decrystallized anthracene oil and heavy wash oil from a tank area are heated to 90 ℃ through a raw material oil preheater, then enter a raw material oil buffer tank through a filter, then enter a middle-section oil/raw material oil heat exchanger, a two-section oil/raw material oil heat exchanger and a heavy oil/raw material oil heat exchanger in sequence, exchange heat to 193 ℃, enter a circulating oil/raw material oil heat exchanger, exchange heat with the circulating oil to 280 ℃, enter a raw material oil fractionating tower feeding heating furnace, enter a raw material oil fractionating tower after being heated to 380 ℃, and the fractionating tower is maintained at about-55 KPa through a liquid ring vacuum pump at the top of the tower. Heavy oil at the bottom of the raw oil separation tower is boosted to 0.8MPa (G) by a pump P12106AB at the bottom of the raw oil separation tower and is divided into two paths after passing through a heavy oil/raw oil heat exchanger: one path is circularly returned to the raw oil fractionating tower, and the other path is cooled to 80 ℃ (G) by an anthracene oil heavy component air cooler A12103AB and then sent to a heavy oil tank.
The extraction temperature of heavy oil in the traditional process is generally about 340 ℃, and meanwhile, the extraction amount of heavy oil is about 1.8t/h, so that although a certain amount of heat can be provided for the raw oil in the heavy oil/raw oil heat exchanger, the heat exchange effect is poor, the heating furnace is often operated under a larger load, the service life of the heating furnace is seriously influenced, and meanwhile, the problem of heat energy waste in the deep processing process of the raw oil also exists.
Disclosure of Invention
The utility model has the advantages that the heavy oil extraction device is provided, wherein the heat source of the heavy oil/raw oil heat exchanger is improved from conventional heavy oil to heavy anthracene oil, the extraction temperature of a heavy anthracene oil extraction pump is about 330 ℃, but the extraction amount of the heavy anthracene oil is about 6-8t/h, so that more heat energy can be continuously provided, the heat exchange efficiency of the heavy oil/raw oil heat exchanger can be effectively improved, materials can fully exchange heat, the feeding temperature of raw oil is improved, the heat load of a heating furnace is reduced, and the service life of the heating furnace is effectively prolonged;
the external temperature of the heavy anthracene oil can be reduced after the heat exchange of the heavy anthracene oil and the raw oil, the heavy anthracene oil cooler can not be started any more, and 2 pieces of movable equipment run to save 2 x 15 kw/h=30 kw/h of electric quantity, so that the consumption of energy sources is greatly reduced.
To achieve at least one of the above advantages of the present utility model, the present utility model provides a heavy oil extraction apparatus, comprising a raw oil preheater, a filter, a buffer tank, a first heat exchanger, a second heat exchanger, a heavy oil/raw oil heat exchanger, a raw oil/circulating oil heat exchanger, a heating furnace, and a raw oil fractionation tower which are sequentially connected, wherein the raw oil/circulating oil heat exchanger is provided with a heat exchange pipeline for circulating external circulating oil, wherein the lower part of the raw oil fractionation tower is connected with a heavy anthracene oil extraction pump, the heavy anthracene oil extraction pump is connected to a heavy anthracene oil tank through a discharge pipeline and a heavy anthracene oil cooler, wherein the discharge pipeline between the heavy anthracene oil extraction pump and the heavy anthracene oil cooler is also connected to the heavy oil/raw oil heat exchanger through a circulating pipeline, for continuously providing heat energy to raw oil in the heavy oil/raw oil heat exchanger, wherein the bottom of the raw oil fractionation tower is refluxed to the lower part of the raw oil fractionation tower through a heavy oil pipeline, and the other is connected to a heavy oil outer tank through an outer cooling device.
According to an embodiment of the utility model, the raw oil fractionating tower is sequentially formed with a top light oil zone, a light anthracene oil zone, a heavy anthracene oil zone and a bottom anthracene oil recombination zone from top to bottom, wherein the raw oil fractionating tower is connected with a first heat exchange pipeline of the first heat exchanger in the top light oil zone through a first extraction pump.
According to an embodiment of the utility model, the outlet end of the first heat exchange pipeline is connected with a second heat exchange pipeline of the second heat exchanger through a pipeline, and the second heat exchange pipeline is connected with an external feeding tank through a light anthracene oil external water cooler.
According to the embodiment of the utility model, the top of the raw oil fractionating tower is sequentially connected with an air cooler, a water cooler and a reflux tank, the top of the reflux tank is connected with a vacuumizing device, the bottom of the reflux tank is connected with the upper part of the raw oil fractionating tower through one path of reflux pump, and the other path of reflux tank is connected with an external recovery device.
According to one embodiment of the utility model, the filter is a back flush filter, and a back flush collecting tank is connected to the bottom of the filter.
According to an embodiment of the utility model, the external production cooling device is implemented as a heavy oil external production air cooling fan, and the heavy anthracene oil cooler is implemented as a heavy anthracene oil external production air cooling fan.
These and other objects, features and advantages of the present utility model will become more fully apparent from the following detailed description.
Drawings
Fig. 1 is a schematic flow chart of a heavy oil extraction device according to a preferred embodiment of the present application.
Reference numerals: 10-raw oil preheater, 11-air cooler, 12-water cooler, 13-reflux tank, 14-reflux pump, 20-filter, 21-back flush collecting tank, 30-buffer tank, 40-first heat exchanger, 41-first pump, 42-first heat exchange pipeline, 43-pipeline, 50-second heat exchanger, 51-second heat exchange pipeline, 52-light anthracene oil external water cooler, 60-heavy oil/raw oil heat exchanger, 70-raw oil/circulating oil heat exchanger, 80-heating furnace, 90-raw oil fractionating tower, 901-top light oil zone, 902-light anthracene oil zone, 903-heavy anthracene oil zone, 904-bottom anthracene oil heavy partition, 91-heavy anthracene oil pump, 92-discharge pipeline, 93-heavy anthracene oil cooler, 94-circulating pipeline, 95-heavy oil pipeline, 96-heavy oil extraction pump, 97-external cooling equipment.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
It will be appreciated by those skilled in the art that in the disclosure of the present specification, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, the above terms should not be construed as limiting the present utility model.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
Referring to fig. 1, a heavy oil extraction apparatus according to a preferred embodiment of the present utility model will be described in detail below, wherein the heavy oil extraction apparatus comprises a raw oil preheater 10, a filter 20, a buffer tank 30, a first heat exchanger 40, a second heat exchanger 50, a heavy oil/raw oil heat exchanger 60, a raw oil/circulating oil heat exchanger 70, a heating furnace 80, and a raw oil fractionation column 90, which are sequentially connected, wherein the raw oil/circulating oil heat exchanger 70 is provided with heat exchange lines for circulating external circulating oil, i.e., exchanging heat of raw oil heavy from the raw oil/circulating oil heat exchanger 70 through external circulating oil, wherein a heavy anthracene oil extraction pump 91 is connected to a lower portion of the raw oil fractionation column 90, while the heavy anthracene oil extraction pump 91 is connected to a heavy anthracene oil cooler 93 through a discharge line 92, the method comprises the steps of obtaining heavy anthracene oil, wherein the discharge pipeline 92 between the heavy anthracene oil pumping pump 91 and the heavy anthracene oil cooler 93 is also connected with the heavy oil/raw oil heat exchanger 60 through a circulation pipeline 94, and is used for continuously providing heat energy for raw oil in the heavy oil/raw oil heat exchanger 60, the external recovery amount of heavy anthracene oil is about 1.8t/h, the external recovery amount of heavy anthracene oil is more, at 6-8h/t, although the external recovery temperature of heavy oil is slightly higher and is about 10 ℃ higher, the heavy anthracene oil can provide heat energy far higher than that of heavy oil, therefore, the method improves the traditional method of providing heat exchange heat energy for the heavy oil/raw oil heat exchanger 60 through heavy anthracene oil into the method of providing heat exchange heat energy through heavy anthracene oil, the heat utilization is more sufficient, the feeding temperature of raw oil can be effectively improved, the heating furnace has the advantages that a large part of fuel gas consumption of the heating furnace can be saved, the cost is reduced, the heat load of the heating furnace 80 can be reduced, the service life of the heating furnace 80 is prolonged, meanwhile, the heavy anthracene oil cooler 93 can be intermittently started or not started, 2-station movable equipment runs, 2 x 15 kw/h=30 kw/h electric quantity is saved, the consumption of energy sources is greatly reduced, meanwhile, the content of carbonaceous asphalt in heavy anthracene oil is low, the occurrence of the condition of heat exchanger blockage can be reduced or even avoided in the heavy oil/raw oil heat exchanger 60, in addition, the bottom of the raw oil fractionating tower 90 is returned to the lower part of the raw oil fractionating tower 90 through a heavy oil pipeline 95 and a heavy oil extraction pump 96, and the other path is connected with a heavy oil outer extracting tank through an outer extracting cooling device 97.
In one embodiment, the raw oil fractionating tower 90 is formed with a top light oil area 901, a light anthracene oil area 902, a heavy anthracene oil area 903 and a bottom anthracene oil reorganization area 904 from top to bottom in sequence, wherein the raw oil fractionating tower 90 is connected to the first heat exchange pipeline 42 of the first heat exchanger 40 in the top light oil area 901 through a first pump 41, and is used for providing heat energy for heat exchange to the first heat exchanger 40, so as to reduce energy consumption and waste of heat energy.
Further preferably, the outlet end of the first heat exchange pipeline 42 is connected to a second heat exchange pipeline 51 of the second heat exchanger 50 through a pipeline 43, so that the heat exchange of the light oil after heat exchange is further performed in the second heat exchanger 50, heat energy is provided, the heat energy of the light oil can be fully utilized, the waste of heat energy resources is avoided, in addition, the second heat exchange pipeline 51 is connected to an external tank through a light anthracene oil external water-collecting cooler 52, so that the temperature of the light oil can be greatly reduced after two heat exchanges, the load of the light anthracene oil external water-collecting cooler 52 is reduced, the light oil is directly collected, and the energy consumption is saved.
In one embodiment, the top of the raw oil fractionating tower 90 is sequentially connected with an air cooler 11, a water cooler 12 and a reflux tank 13, the top of the reflux tank 13 is connected with a vacuum pumping device, meanwhile, the bottom of the reflux tank 13 is connected to the upper part of the raw oil fractionating tower 90 through a reflux pump 14, and the other path is connected with an external recovery device. The non-condensable gas at the top of the tower in the light oil area 901 sequentially passes through the air cooling effect of the air cooler 11 and the water cooling effect of the water cooler 12 to form liquid light oil, the liquid light oil is pumped into the reflux tank 13, and then is used for externally extracting the light oil under the action of the reflux pump 14, and meanwhile, part of the light oil is refluxed to the light oil area 901 at the top of the tower.
In one embodiment, the filter 20 is a back flush filter, and a back flush collection tank 21 is connected to the bottom of the filter 20.
In one embodiment, the outer-mining cooling device 97 is implemented as a heavy oil outer-mining air cooling fan, while the heavy anthracene oil cooler 93 is implemented as a heavy anthracene oil outer-mining air cooling fan.
It should be noted that the terms "first" and "second" are used for descriptive purposes only, and are not meant to indicate any order, but are not to be construed as indicating or implying any relative importance, and such terms are to be construed as names.
It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The advantages of the present utility model have been fully and effectively realized. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.
Claims (6)
1. The heavy oil extraction device is characterized by comprising a raw oil preheater, a filter, a buffer tank, a first heat exchanger, a second heat exchanger, a heavy oil/raw oil heat exchanger, a raw oil/circulating oil heat exchanger, a heating furnace and a raw oil fractionating tower which are sequentially connected, wherein the raw oil/circulating oil heat exchanger is provided with a heat exchange pipeline for circulating external circulating oil, the lower part of the raw oil fractionating tower is connected with a heavy anthracene oil extraction pump, the heavy anthracene oil extraction pump is connected to a heavy anthracene oil tank through a discharge pipeline and a heavy anthracene oil cooler, the discharge pipeline between the heavy anthracene oil extraction pump and the heavy anthracene oil cooler is also connected with the heavy oil/raw oil heat exchanger through a circulating pipeline, and the heavy anthracene oil extraction device is used for continuously providing heat energy for raw oil in the heavy oil/raw oil heat exchanger, the bottom of the raw oil fractionating tower flows back to the lower part of the raw oil fractionating tower through one path of the heavy oil pipeline, and the other path of the raw oil fractionating tower is connected with a heavy oil external extraction tank through an external extraction cooling device.
2. The heavy oil extraction device of claim 1, wherein the raw oil fractionating tower is formed with a top light oil zone, a light anthracene oil zone, a heavy anthracene oil zone and a bottom anthracene oil recombination zone from top to bottom in sequence, wherein the raw oil fractionating tower is connected with a first heat exchange pipeline of the first heat exchanger in the top light oil zone through a first extraction pump.
3. The heavy oil extraction device of claim 2, wherein the outlet end of the first heat exchange pipeline is connected to a second heat exchange pipeline of the second heat exchanger through a pipeline, and the second heat exchange pipeline is connected to an external feed tank through a light anthracene oil external water extraction cooler.
4. The heavy oil extraction device as defined in claim 2, wherein the top of the raw oil fractionating tower is sequentially connected with an air cooler, a water cooler and a reflux tank, the top of the reflux tank is connected with a vacuum pumping device, the bottom of the reflux tank is connected to the upper part of the raw oil fractionating tower through a reflux pump, and the other path is connected with an external recovery device.
5. The heavy oil extraction apparatus of claim 1, wherein the filter is a backwash filter, and wherein a backwash collection tank is connected to the bottom of the filter.
6. The heavy oil extraction apparatus of claim 1, wherein the outer extraction cooling device is implemented as a heavy oil outer extraction air cooling fan and the heavy anthracene oil cooler is implemented as a heavy anthracene oil outer extraction air cooling fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321899884.XU CN220317709U (en) | 2023-07-19 | 2023-07-19 | Heavy oil extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321899884.XU CN220317709U (en) | 2023-07-19 | 2023-07-19 | Heavy oil extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220317709U true CN220317709U (en) | 2024-01-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321899884.XU Active CN220317709U (en) | 2023-07-19 | 2023-07-19 | Heavy oil extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220317709U (en) |
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2023
- 2023-07-19 CN CN202321899884.XU patent/CN220317709U/en active Active
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