CN212051249U - Anhydrous steam stripping device for oil products - Google Patents
Anhydrous steam stripping device for oil products Download PDFInfo
- Publication number
- CN212051249U CN212051249U CN202020367476.XU CN202020367476U CN212051249U CN 212051249 U CN212051249 U CN 212051249U CN 202020367476 U CN202020367476 U CN 202020367476U CN 212051249 U CN212051249 U CN 212051249U
- Authority
- CN
- China
- Prior art keywords
- tower
- stripping
- fractionating tower
- fractionating
- tank
- 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
- 238000010992 reflux Methods 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 18
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 31
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005194 fractionation Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
Images
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model belongs to the technical field of oil stripping, in particular to an oil anhydrous stripping device, which comprises a raw material buffer tank, wherein the raw material buffer tank is sequentially connected with a heat exchange system, a heating furnace and a fractionating tower, the lower part of the fractionating tower is connected with a No. 1 stripping tower, and the upper part of the fractionating tower is connected with a No. 2 stripping tower; the dry gas pipeline is respectively connected with a No. 1 stripping tower and a No. 2 stripping tower through a heating furnace, the top of the No. 1 stripping tower and the top of the No. 2 stripping tower are respectively connected with a fractionating tower, the top of the fractionating tower is connected with a reflux tank through an air cooler and a condenser, the bottom of the reflux tank is connected with the fractionating tower, the top of the reflux tank is connected with a desulfurizing tower, the top of the desulfurizing tower is connected with a gas-liquid separation tank, and the top of the gas-liquid separation tank is connected with the dry gas pipeline. The utility model discloses a dry gas replaces steam, also can greatly reduce the water content in the product when improving the flash point, and structure scientific and reasonable, production efficiency is high, energy saving and consumption reduction.
Description
Technical Field
The utility model belongs to the technical field of the oil strip, concretely relates to anhydrous strip device of oil.
Background
In the production of high-end lubricating oil and food-grade white oil, the requirements on flash point and water content are very high, the water content is generally controlled to be below 40ppm, if the water content is too high, the cloud point of the product is influenced, the product emulsification phenomenon is easy to cause, and the product transparency cannot meet the requirements. In general oil product production, in order to improve the flash point, only the injection amount of steam can be increased, but the moisture, especially micro-moisture, brought into the oil product by the steam is very difficult to remove.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: overcomes the defects of the prior art, provides an anhydrous steam stripping device for oil products, adopts dry gas to replace steam, improves the flash point and greatly reduces the water content in the products.
The utility model discloses an adopt following technical scheme to realize:
the anhydrous oil stripping device comprises a raw material buffer tank, the raw material buffer tank is sequentially connected with a heat exchange system, a heating furnace and a fractionating tower, the lower part of the fractionating tower is connected with a No. 1 stripping tower, and the upper part of the fractionating tower is connected with a No. 2 stripping tower; the dry gas pipeline is respectively connected with a No. 1 stripping tower and a No. 2 stripping tower through a heating furnace, the top of the No. 1 stripping tower and the top of the No. 2 stripping tower are respectively connected with a fractionating tower, the top of the fractionating tower is connected with a reflux tank through an air cooler and a condenser, the bottom of the reflux tank is connected with the fractionating tower, the top of the reflux tank is connected with a desulfurizing tower, the top of the desulfurizing tower is connected with a gas-liquid separation tank, and the top of the gas-liquid separation tank is connected with the dry gas pipeline.
Preferably, the bottom of the fractionating tower is connected with a vacuum furnace.
Preferably, the bottom of the reflux tank is connected with the fractionating tower through a reflux pipeline, and a product extraction pipeline is arranged on the reflux pipeline.
Preferably, the top of the gas-liquid separation tank is connected with a hydrogen production device.
The working principle and the process are as follows:
the raw materials enter a heating furnace for continuous heating after being heated by a heat exchange system from a raw material buffer tank, then the heated raw materials enter a fractionating tower for fractionation, products at the lower part of the fractionating tower enter a No. 1 stripping tower, products at the upper part of the fractionating tower enter a No. 2 stripping tower, products at the bottom part of the fractionating tower enter a pressure reducing furnace, dry gas enters the No. 1 stripping tower and the No. 2 stripping tower respectively after being heated by a heating furnace from an air pipeline, the No. 1 stripping tower and the No. 2 stripping tower carry out stripping under the dry gas, No. 1 anhydrous products can be extracted from the bottom of the No. 1 stripping tower, tower top gas enters the fractionating tower, No. 2 anhydrous products can be extracted from the bottom of the No. 2 stripping tower, tower top gas enters the fractionating tower, gas in the fractionating tower enters a reflux tank after being cooled by an air cooler and a condenser, condensed liquid flows back to the fractionating tower from the bottom of the, the non-condensable gas in the reflux tank enters the desulfurizing tower from the top of the tank for desulfurization, the desulfurization barren solution enters from the upper part of the desulfurizing tower, the desulfurized rich solution flows out from the bottom of the desulfurizing tower, the desulfurized gas enters the gas-liquid separation tank from the top of the desulfurizing tower for gas-liquid separation, and the separated gas enters the dry gas pipeline from the top of the gas-liquid separation tank through the pipeline for recycling and can also enter the hydrogen production device for the next process.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a dry gas replaces steam, utilizes the micro molecule structure of dry gas, increases volatilizing of light hydrocarbon in the oil, reaches the purpose that improves the oil flash point, does not contain water in the dry gas, so when improving the flash point, also greatly reduced the water content in the product.
2. The utility model has the advantages of being scientific and reasonable in structure, production efficiency is high, energy saving and consumption reduction.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. a dry gas line; 2. a raw material buffer tank; 3. a heat exchange system; 4. heating furnace; 5. a fractionating column; 6. a decompression furnace; 7. a # 1 stripping tower; 8. a # 2 stripping tower; 9. an air cooler; 10. a condenser; 11. a reflux tank; 12. a desulfurizing tower; 13. a gas-liquid separation tank; 14. a hydrogen production unit; 15. a product withdrawal line; 16. a return line.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the anhydrous oil stripping device comprises a raw material buffer tank 2, wherein the raw material buffer tank 2 is sequentially connected with a heat exchange system 3, a heating furnace 4 and a fractionating tower 5, the lower part of the fractionating tower 5 is connected with a # 1 stripping tower 7, and the upper part of the fractionating tower 5 is connected with a # 2 stripping tower 8; dry gas pipeline 1 is connected respectively through heating furnace 4 and 1# strip tower 7 and 2# strip tower 8, 7 tops of 1# strip tower and 8 tops of 2# strip tower are connected with fractionating tower 5 respectively, 5 tops of fractionating tower are connected with reflux drum 11 through air cooler 9 and condenser 10, 11 bottoms of reflux drum are connected with fractionating tower 5, 11 tops of reflux drum are connected with desulfurizing tower 12, 12 tops of desulfurizing tower are connected with gas-liquid separation jar 13, 13 tops of gas-liquid separation jar with dry gas pipeline 1 connects.
The bottom of the fractionating tower 5 is connected with a decompression furnace 6.
The bottom of the reflux tank 11 is connected with the fractionating tower 5 through a reflux pipeline 16, and a product extraction pipeline 15 is arranged on the reflux pipeline 16.
The top of the gas-liquid separation tank 13 is connected with a hydrogen production device 14.
When the device works, raw materials enter a heating furnace 4 for continuous heating after being heated by a heat exchange system 3 from a raw material buffer tank 2, then the heated raw materials enter a fractionating tower 5 for fractionation, products at the lower part of the fractionating tower 5 enter a No. 1 stripping tower 7, products at the upper part of the fractionating tower 5 enter a No. 2 stripping tower 8, products at the bottom of the fractionating tower 5 enter a pressure reduction furnace 6, dry gas enters a No. 1 stripping tower 7 and a No. 2 stripping tower 8 respectively after being heated by the heating furnace 4 from a dry gas pipeline 1, the No. 1 stripping tower 7 and the No. 2 stripping tower 8 carry out stripping under dry gas, No. 1 anhydrous products can be extracted at the bottom of the No. 1 stripping tower 7, tower top gas enters the fractionating tower 5, No. 2 anhydrous products can be extracted at the bottom of the No. 2 stripping tower 8, tower top gas enters the fractionating tower 5, gas in the fractionating tower 5 enters a reflux tank 11 after being cooled by an air cooler 9 and a condenser 10 from the tower top, or the product can be extracted from a product extraction pipeline 15 on a reflux pipeline 16, the non-condensable gas in the reflux tank 11 enters the desulfurizing tower 12 from the top of the tank for desulfurization, the desulfurized lean solution enters from the upper part of the desulfurizing tower 12, the desulfurized rich solution flows out from the bottom of the desulfurizing tower 12, the desulfurized gas enters the gas-liquid separation tank 13 from the top of the desulfurizing tower 12 for gas-liquid separation, the separated gas enters the dry gas pipeline 1 from the top of the gas-liquid separation tank 13 through a pipeline for recycling, and the separated gas can also enter the hydrogen production device 14 for the next process.
Of course, the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and the technical field of the present invention is equivalent to the changes and improvements made in the actual range of the present invention, which should be attributed to the patent coverage of the present invention.
Claims (4)
1. The utility model provides a anhydrous stripping device of oil, includes raw materials buffer tank (2), its characterized in that: the raw material buffer tank (2) is sequentially connected with a heat exchange system (3), a heating furnace (4) and a fractionating tower (5), the lower part of the fractionating tower (5) is connected with a No. 1 stripping tower (7), and the upper part of the fractionating tower (5) is connected with a No. 2 stripping tower (8); dry gas pipeline (1) is connected respectively through heating furnace (4) and 1# stripper (7) and 2# stripper (8), 1# stripper (7) top and 2# stripper (8) top are connected with fractionating tower (5) respectively, fractionating tower (5) top is connected with reflux drum (11) through air cooler (9) and condenser (10), reflux drum (11) bottom is connected with fractionating tower (5), reflux drum (11) top is connected with desulfurizing tower (12), desulfurizing tower (12) top is connected with gas-liquid separation jar (13), gas-liquid separation jar (13) top with dry gas pipeline (1) is connected.
2. An oil anhydrous stripping device according to claim 1, characterized in that: the bottom of the fractionating tower (5) is connected with a decompression furnace (6).
3. An oil anhydrous stripping device according to claim 1, characterized in that: the bottom of the reflux tank (11) is connected with the fractionating tower (5) through a reflux pipeline (16), and a product extraction pipeline (15) is arranged on the reflux pipeline (16).
4. An oil anhydrous stripping device according to claim 1, characterized in that: the top of the gas-liquid separation tank (13) is connected with a hydrogen production device (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020367476.XU CN212051249U (en) | 2020-03-20 | 2020-03-20 | Anhydrous steam stripping device for oil products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020367476.XU CN212051249U (en) | 2020-03-20 | 2020-03-20 | Anhydrous steam stripping device for oil products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212051249U true CN212051249U (en) | 2020-12-01 |
Family
ID=73529693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020367476.XU Active CN212051249U (en) | 2020-03-20 | 2020-03-20 | Anhydrous steam stripping device for oil products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212051249U (en) |
-
2020
- 2020-03-20 CN CN202020367476.XU patent/CN212051249U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101580457B (en) | Device and process for preparing absolute ethyl alcohol by taking fermented liquor as the raw material | |
| CN102126920B (en) | Method for preparing azeotropic ethanol through three-tower triple-effect differential pressure heat integration | |
| CN101717658A (en) | Multi-vaporization feeding method of oil product fractionator | |
| CN1736527A (en) | Alcohol quinque-towel differential pressure distilling arrangement and technique thereof | |
| CN103614278B (en) | The Apparatus and method for of waste liquid of molasses alcohol | |
| CN102311772B (en) | Distillate yield improving vacuum distillation method and device | |
| CN102765842A (en) | Pressure-reduction, alkali-addition and ammonia-distillation system | |
| CN107418979A (en) | A kind of alcohol fuel energy-saving clean production method | |
| CN212051249U (en) | Anhydrous steam stripping device for oil products | |
| CN102311771B (en) | Crude oil processing method | |
| CN106753593A (en) | A kind of solvent regeneration process of supporting coal gasification acid gas removal | |
| CN202808525U (en) | System for stilling ammonia by decompressing and adding alkali | |
| CN203890081U (en) | Environment-friendly energy-saving device for producing concentrated ammonia water | |
| CN1114458C (en) | Crude oil atmospheric vacuum distillation method with deep stripping process | |
| CN103910605A (en) | Pervaporation system and technology for refining biological n-butanol by pervaporation system | |
| CN206279157U (en) | A kind of naphtha cut enter desulfurization with can fast cooling rectifying column | |
| CN102126921B (en) | Three-tower heating method for preparing azeotropic ethanol | |
| CN210845815U (en) | Energy-conserving efficient deacidification ammonia distillation system | |
| CN201272777Y (en) | Circulating dewatering device of gasoline/diesel fractionating column top | |
| CN102443408B (en) | Pressure reduction distillation process method | |
| CN203569061U (en) | Efficient and energy-saving oil and fat deacidification and deodorization device | |
| CN203989925U (en) | A kind of heat pump distillation energy saver | |
| CN202297496U (en) | Heating flash separation device | |
| CN102876351A (en) | Heating, flashing and separating device | |
| CN216738224U (en) | Solvent refining system in process of preparing base oil from waste lubricating oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Oil anhydrous stripping device Effective date of registration: 20230516 Granted publication date: 20201201 Pledgee: Zibo Guangyuan Asset Management Co.,Ltd. Pledgor: SHANDONG QINGYUAN PETROCHEMICAL Co.,Ltd. Registration number: Y2023980040769 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20231024 Granted publication date: 20201201 |