CN211972181U - Equipment for preparing pentane foaming agent by reforming topped naphtha - Google Patents
Equipment for preparing pentane foaming agent by reforming topped naphtha Download PDFInfo
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- CN211972181U CN211972181U CN202020629320.4U CN202020629320U CN211972181U CN 211972181 U CN211972181 U CN 211972181U CN 202020629320 U CN202020629320 U CN 202020629320U CN 211972181 U CN211972181 U CN 211972181U
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- isopentane
- foaming agent
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model provides equipment for preparing a pentane foaming agent by reforming topped naphtha, which comprises a feeding buffer tank, an isopentane removing tower and a public rectifying tower, wherein the feeding buffer tank is communicated with the isopentane removing tower, and the top of the isopentane removing tower is communicated with the bottom of the public rectifying tower; a clapboard tower is arranged in the isopentane removing tower, the lateral line at the upper part of the isopentane removing tower is communicated with an isopentane product tank, and the lateral line at the middle part of the isopentane removing tower is communicated with a foaming agent tank; the bottom of the common rectifying tower is communicated with the top of the isopentane removal tower through a common rectifying tower feeding pump. The utility model has simple process flow, and obvious energy-saving effect because a reaction section and a subsequent fractionation section are omitted; in addition, the process adopts a partition rectification process technology, and a partition tower is applied to the separation process of the reformed topped naphtha, so that the operation which can be completed by two fractionating towers is completed by one fractionating tower, and the investment of equipment is saved.
Description
Technical Field
The utility model relates to the field of chemical industry, especially, relate to an equipment of pentane foamer is prepared to reforming and topping naphtha.
Background
In recent years, with the increasing importance of the country on environmental protection, the quality specification of the motor gasoline product is higher and higher, and the limitation on the content of aromatic hydrocarbon and olefin in the gasoline is stricter and stricter. The isomerized gasoline is an environment-friendly product with low sulfur, no olefin, no benzene and no aromatic hydrocarbon, and is an excellent blending component of the motor gasoline. While the pentane foaming agent is additionally produced in the process of producing the isomerized gasoline, the existing pentane foaming agent production process is complex, the investment is large, the operation process is long, and the energy consumption is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a device for preparing pentane foaming agent by reforming and pulling naphtha, which solves the problems.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a device for preparing pentane foaming agent by reforming topped naphtha, which comprises a feeding buffer tank, a de-isopentane tower and a public rectifying tower, wherein the feeding buffer tank is communicated with the de-isopentane tower through a raw material-product heat exchanger, and the top of the de-isopentane tower is communicated with the bottom of the public rectifying tower; a clapboard tower is arranged in the isopentane removing tower and divides the isopentane removing tower, the lateral line at the upper part of the isopentane removing tower is communicated with an isopentane product tank, and the lateral line at the middle part of the isopentane removing tower is communicated with a foaming agent tank through a pentane foaming agent product pump; the top of public rectifying column is linked together with public rectifying column reflux jar, the isopentane in the public rectifying column reflux jar returns after passing through public rectifying column reflux pump pressure boost in the public rectifying column, the siding of public rectifying column is linked together with isopentane product jar, the bottom of public rectifying column through public rectifying column charge pump with the top of taking off the isopentane tower is linked together.
Furthermore, the upper side line of the isopentane removal tower and the side line of the common rectifying tower are communicated with an isopentane product tank through an isopentane cooler.
Furthermore, an isopentane product pump is arranged on the isopentane product tank to deliver isopentane to a loading system.
Furthermore, a pentane foaming agent cooler is arranged between the pentane foaming agent product pump and the foaming agent tank.
Furthermore, a common rectifying tower air cooler is arranged between the top of the common rectifying tower and the reflux tank of the common rectifying tower.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model provides equipment for preparing pentane foaming agent by reforming topped naphtha, which has obvious energy-saving effect because a reaction section and a subsequent fractionation section are omitted; in addition, the process adopts a partition rectification process technology, and a partition tower is applied to the separation process of the reformed topped naphtha, so that the operation which can be completed by two fractionating towers is completed by one fractionating tower, and the investment of equipment is saved.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic view of the apparatus for preparing pentane foaming agent by reforming topped naphtha according to the present invention;
reference numerals: 1. a feed buffer tank; 2. a de-isopentane tower; 3. a common rectification column; 4. a feedstock-product heat exchanger; 5. an isopentane product tank; 6. a foaming agent tank; 7. a common rectification column reflux drum; 8. a common rectification column reflux pump; 9. an isopentane cooler; 10. a tower bottom oil outlet device; 11. a common rectifying tower feed pump; 12. a baffle tower; 13. a pentane foaming agent cooler; 14. public rectifying column air cooler.
Detailed Description
As shown in fig. 1, the system comprises a feeding buffer tank 1, a de-isopentane tower 2 and a common rectifying tower 3, wherein the feeding buffer tank 1 is communicated with the de-isopentane tower 2 through a raw material-product heat exchanger 4, and the top of the de-isopentane tower 2 is communicated with the bottom of the common rectifying tower 3.
And a partition plate tower 12 is arranged in the isopentane removing tower 2, and the partition plate tower 12 separates the isopentane removing tower 2. The upper side line of the isopentane removal tower 2 is communicated with an isopentane product tank 5 through an isopentane cooler 9, and an isopentane product pump is arranged on the isopentane product tank to deliver isopentane to a loading system.
The middle lateral line of the isopentane removal tower 2 is communicated with the foaming agent tank 6 through a pentane foaming agent product pump and a pentane foaming agent cooler 13.
The top of public rectifying column 3 is linked together through public rectifying column air cooler 14 and public rectifying column reflux tank 7, return after public rectifying column reflux pump 8 pressure boost to isopentane in the public rectifying column reflux tank 7 in the public rectifying column 3, the side line of public rectifying column 3 is linked together through isopentane cooler 9 and isopentane product jar 5, public rectifying column 3's bottom through public rectifying column charge-in pump 11 with the top of taking off isopentane tower 2 is linked together.
The bottom of the isopentane removal tower 2 is connected with a tower bottom reboiler, and oil at the bottom is discharged through a tower bottom oil outlet device 10.
The working process is as follows:
sending light naphtha from a reforming unit into a feeding buffer tank, pressurizing the light naphtha by a feeding pump of a de-isopentane tower, conveying the pressurized light naphtha into a raw material-product heat exchanger for heat exchange, then sending the light naphtha into the de-isopentane tower, conveying a gas phase at the tower top to a common rectifying tower for continuous separation, cooling the gas phase at the tower top of the common rectifying tower by an air cooler of the de-isopentane tower, sending the cooled gas phase to a reflux tank of the common rectifying tower, pressurizing the isopentane by a reflux pump of the common rectifying tower, circulating the pressurized gas phase to the common rectifying tower, pressurizing a liquid phase at the tower bottom of the common rectifying tower by a circulating pump at the tower bottom, returning the pressurized gas phase to the de-isopentane tower, collecting an isopentane product at the side line of the common rectifying tower, sending the cooled isopentane product to an isopentane cooler, sending the cooled isopentane product to an isopentane product tank for storage, collecting an isopentane product at the upper part of the de-isopentane tower, sending the extracted, the pentane foaming agent is pumped by a pentane foaming agent product pump, then sent to a pentane foaming agent cooler for cooling, and then sent to a tank area as a product, the blending of pentane foaming agents of different models can be completed by adjusting the reflux quantity, and the liquid phase at the bottom of the common rectifying tower returns to the isopentane removal tower after being pumped by a feeding pump of the common rectifying tower.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (5)
1. The equipment for preparing the pentane foaming agent by reforming the topped naphtha is characterized in that: the device comprises a feeding buffer tank (1), a de-isopentane tower (2) and a common rectifying tower (3), wherein the feeding buffer tank (1) is communicated with the de-isopentane tower (2) through a raw material-product heat exchanger (4), and the top of the de-isopentane tower (2) is communicated with the bottom of the common rectifying tower (3); a clapboard tower (12) is arranged in the de-isopentane tower (2), the de-isopentane tower (2) is divided by the clapboard tower (12), the lateral line at the upper part of the de-isopentane tower (2) is communicated with an isopentane product tank (5), and the lateral line at the middle part of the de-isopentane tower (2) is communicated with a foaming agent tank (6) through a pentane foaming agent product pump; the top and the public rectifying column reflux jar (7) of public rectifying column (3) are linked together, return after public rectifying column reflux pump (8) pressure boost isopentane in the public rectifying column reflux jar (7) in public rectifying column (3), the siding of public rectifying column (3) with isopentane product jar (5) are linked together, the bottom of public rectifying column (3) through public rectifying column charge-in pump (11) with the top of taking off isopentane tower (2) is linked together.
2. The equipment for preparing the pentane foaming agent by reforming the topped naphtha as claimed in claim 1, wherein: the upper side line of the isopentane removal tower (2) and the side line of the common rectifying tower (3) are communicated with an isopentane product tank through an isopentane cooler (9).
3. The equipment for preparing the pentane foaming agent by reforming the topped naphtha as claimed in claim 2, wherein: and an isopentane product pump is arranged on the isopentane product tank to convey isopentane to a loading system.
4. The equipment for preparing the pentane foaming agent by reforming the topped naphtha as claimed in claim 1, wherein: and a pentane foaming agent cooler (13) is arranged between the pentane foaming agent product pump and the foaming agent tank (6).
5. The equipment for preparing the pentane foaming agent by reforming the topped naphtha as claimed in claim 1, wherein: and a common rectifying tower air cooler (14) is arranged between the top of the common rectifying tower (3) and the common rectifying tower reflux tank (7).
Priority Applications (1)
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CN202020629320.4U CN211972181U (en) | 2020-04-24 | 2020-04-24 | Equipment for preparing pentane foaming agent by reforming topped naphtha |
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CN202020629320.4U CN211972181U (en) | 2020-04-24 | 2020-04-24 | Equipment for preparing pentane foaming agent by reforming topped naphtha |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111362773A (en) * | 2020-04-24 | 2020-07-03 | 河北新启元能源技术开发股份有限公司 | Equipment and process for preparing pentane foaming agent by reforming topped naphtha |
CN115651704A (en) * | 2022-11-29 | 2023-01-31 | 中国石油化工股份有限公司洛阳分公司 | Method for producing pentane foaming agent by using reformed oil |
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2020
- 2020-04-24 CN CN202020629320.4U patent/CN211972181U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111362773A (en) * | 2020-04-24 | 2020-07-03 | 河北新启元能源技术开发股份有限公司 | Equipment and process for preparing pentane foaming agent by reforming topped naphtha |
CN115651704A (en) * | 2022-11-29 | 2023-01-31 | 中国石油化工股份有限公司洛阳分公司 | Method for producing pentane foaming agent by using reformed oil |
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