CN201268685Y - Apparatus system for semi-regenerative type coker gasoline reforming technology - Google Patents
Apparatus system for semi-regenerative type coker gasoline reforming technology Download PDFInfo
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- CN201268685Y CN201268685Y CNU2008200216580U CN200820021658U CN201268685Y CN 201268685 Y CN201268685 Y CN 201268685Y CN U2008200216580 U CNU2008200216580 U CN U2008200216580U CN 200820021658 U CN200820021658 U CN 200820021658U CN 201268685 Y CN201268685 Y CN 201268685Y
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- pipeline
- reforming
- liquid separator
- interchanger
- heat exchanger
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Abstract
The utility model relates to an equipment system of a half-regeneration type coke petrol reforming technology, which belongs to the technical field of petrol refining equipment and comprises three sets of reaction heating furnaces and reforming reactors, which are sequentially connected in series. A three-step reforming reactor is connected with an air cooler and a steam-liquid separator by a pipeline. A heat exchanger is arranged on the pipeline between the three-step reforming reactor and the air cooler. The top of the steam-liquid separator is connected with the heat exchanger by a pipeline, and a coke petrol air inlet pipeline is connected with a circulation air pipeline in front of the heat exchanger. The equipment system of a half-regeneration type coke petrol reforming technology is characterized in that a compressor is arranged on the pipeline which is on the top of the steam-liquid separator and is connected with the heat exchanger, and a hydrogen pipeline is also arranged on the pipeline of the compressor, which is connected with the heat exchanger. Compared with the prior art, the utility model saves a transformation absorber and other equipment on the circulation air pipeline, lowers the cost, uses the additional-arranged hydrogen pipeline for adding hydrogen into the circulation air, increases the hydrogen content of the circulation air, enables the circulation air to reach the technical standard, prolongs the service life of the reforming catalyst, and has equal product quality with the prior art.
Description
Technical field
The invention belongs to the refining of petroleum equipment technical field, be specifically related to a kind of device systems of half regenerative coker gasoline reforming process.
Background technology
Delayed coking is one of important process of heavy oil lighting, because investment and process cost are low, the adaptability of raw material is wide, and high economic benefit is arranged, and this technology is subjected to generally paying attention to.Catalytic reforming is an important channel of improving the coker gasoline quality.Usually coker gasoline is carried out hydrofining, removes impurity, mix by a certain percentage in other reformer feed such as the straight-run spirit again, but with platiniferous two/the multimetal reforming catalyst boosting of octane rating.Coker gasoline is behind the catalytic reforming upgrading, and the olefin(e) centent of its product is generally less than 1.0w%, and sulphur content is less than 1ppm, and octane value has more significantly and improves simultaneously.The equipment of the coker gasoline reforming process of prior art mainly is process furnace and the fixed bed type reactor that adopts plural serial stage, and the circulation gas that reaction produces is removed the lower carbon number hydrocarbons in the circulation gas by carrying out transformation absorption PSA, improves its density of hydrogen.Its device systems more complicated, the cost height.
Summary of the invention
The utility model is at deficiency of the prior art, a kind of device systems of half regenerative coker gasoline reforming process is provided, treatment facilities such as transformation absorption have been omitted on its circulation gas pipeline, the pipeline that directly connects logical pure hydrogen, feed hydrogen, improve density of hydrogen in the circulation gas, make it to reach processing requirement, recycle.
The following technical scheme of the concrete employing of the utility model:
A kind of device systems of half regenerative coker gasoline reforming process, comprise three groups of placed in-line successively reaction heating furnaces, reforming reactor, three grades of reforming reactors are by pipeline and air cooler, vapour liquid separator connects, obtain qualified liquefied gas or stable gasoline from the vapour liquid separator bottom, the vapour liquid separator top obtains circulation gas, on the pipeline between described three grades of reforming reactors and the air cooler, also be provided with interchanger, the vapour liquid separator top is connected by pipeline with interchanger, enter first step process furnace after the heat exchange, the coker gasoline admission line is connected with the circulation gas pipeline before interchanger, it is characterized in that, on described vapour liquid separator top and pipeline that interchanger is connected, be provided with compressor, on compressor and pipeline that interchanger is connected, also be provided with hydrogen gas lines.
The utility model process furnace, the placed in-line concrete processing requirement of reforming reactor is as follows: the mixture of coker gasoline and circulation gas and three grades of reforming reactor heat exchanges to 430 ℃ enter the first order reaction process furnace, and be heated to 495 ℃, enter the one-level reforming reactor, the product of one-level reforming reactor advances the secondary reforming reactor after entering secondary process furnace reheat to 495 ℃ again, the product of secondary reforming reactor advances three grades of reforming reactors after entering three grades of process furnace reheat to 495 ℃ again, enters air cooler successively after three grades of reforming reactor products enter interchanger and gas mixture heat exchange, vapour liquid separator.
The utility model also can adopt four group reaction process furnace, reforming reactor to connect successively.
Compared with prior art, the beneficial effects of the utility model are:
1) the utility model has omitted the circulation gas variable-pressure adsorption equipment, has reduced cost, has simplified operation, and end product quality is suitable with prior art, specifically sees Table 1:
Table 1 the utility model and prior art operational condition, contrast table as a result
| The utility model | Prior art | |
| Reforming catalyst | Platinum/rhenium | Platinum/rhenium |
| Catalytic reforming feedstock, ton/hour | 18.5 | 18.5 |
| Circulation gas hydrogen make-up tolerance, NM3/h | 2800 | 0 |
| Temperature of reaction, ℃ | 496 | 496 |
| Reaction pressure, MPag | 1.10 | 1.10 |
| Volume space velocity, hr -1 | 2.0 | 2.0 |
| Hydrogen/oil volume ratio, | 1200 | 1200 |
| The circulation gas water-content, |
12～17 | 12～17 |
| The circulation gas density of hydrogen, volume % | 90 | 76 |
| The liquid octane value, RON | 93.5 | 93.0 |
| Liquid yield, quality % | 84.21 | 82.36 |
| The liquid aromaticity content, quality % | 62.6 | 61.2 |
| Pure hydrogen productive rate, quality % | 2.25 | 2.21 |
2) the utility model prolongs the work-ing life of reforming catalyst by improving the density of hydrogen of reformation recycle hydrogen, produces the gasoline blend component with higher octane.
Description of drawings
Fig. 1 is an equipment connecting relation synoptic diagram of the present utility model.
Among the figure, 1 is the coker gasoline pipeline, and 2 is the circulation gas pipeline, 3 is interchanger, and 4 is the gas mixture admission line, and 5 is the first order reaction process furnace, 6 is the one-level reforming reactor, and 7 is the second order reaction process furnace, and 8 is the secondary reforming reactor, 9 is the third order reaction process furnace, 10 is three grades of reforming reactors, and 11 is air cooler, and 12 is vapour liquid separator, 13 is compressor, and 14 is the hydrogen admission line.
Embodiment
Embodiment
As shown in Figure 1, a kind of device systems of half regenerative coker gasoline reforming process, first order reaction process furnace 5, one-level reforming reactor 6, second order reaction process furnace 7, secondary reforming reactor 8, third order reaction process furnace 9, three grades of reforming reactors 10 connect with pipeline successively, three grades of reforming reactors 10 and interchanger 2, air cooler 11, vapour liquid separator 12 usefulness pipelines connect successively, obtain qualified liquefied gas or stable gasoline from vapour liquid separator 12 bottoms, vapour liquid separator 12 tops obtain circulation gas, vapour liquid separator 12 tops and interchanger 2 are connected by pipeline, enter one-level process furnace 5 after the heat exchange, coker gasoline admission line 1 is connected with circulation gas admission line 2 before interchanger 2.On circulation gas pipeline 2, also be provided with compressor 13, on compressor 13 and circulation gas pipeline 2 that interchanger 2 is connected, also be provided with hydrogen gas lines 14.
Claims (2)
1. the device systems of one and half regenerative coker gasoline reforming process, comprise three groups of placed in-line successively reaction heating furnaces, reforming reactor, three grades of reforming reactors are by pipeline and air cooler, vapour liquid separator connects, obtain qualified liquefied gas or stable gasoline from the vapour liquid separator bottom, the vapour liquid separator top obtains circulation gas, on the pipeline between described three grades of reforming reactors and the air cooler, also be provided with interchanger, the vapour liquid separator top is connected by pipeline with interchanger, enter first step process furnace after the heat exchange, the coker gasoline admission line is connected with the circulation gas pipeline before interchanger, it is characterized in that, on described vapour liquid separator top and pipeline that interchanger is connected, be provided with compressor, on compressor and pipeline that interchanger is connected, also be provided with hydrogen gas lines.
2. the device systems of half regenerative coker gasoline reforming process according to claim 1 is characterized in that, four group reaction process furnace, reforming reactor are connected successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200216580U CN201268685Y (en) | 2008-04-30 | 2008-04-30 | Apparatus system for semi-regenerative type coker gasoline reforming technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200216580U CN201268685Y (en) | 2008-04-30 | 2008-04-30 | Apparatus system for semi-regenerative type coker gasoline reforming technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201268685Y true CN201268685Y (en) | 2009-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200216580U Expired - Fee Related CN201268685Y (en) | 2008-04-30 | 2008-04-30 | Apparatus system for semi-regenerative type coker gasoline reforming technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201268685Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422249A (en) * | 2013-08-23 | 2015-03-18 | 中国石油天然气股份有限公司 | Method for drying catalytic gasoline hydrogenation catalyst |
| CN105623716A (en) * | 2016-02-23 | 2016-06-01 | 石玉林 | Semi-regeneration catalytic reforming reaction system and method |
| CN106753548A (en) * | 2015-11-21 | 2017-05-31 | 中国石油化工股份有限公司 | A kind of Benzin naphtha catalytic reforming method of by-product also protohydrogen |
-
2008
- 2008-04-30 CN CNU2008200216580U patent/CN201268685Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422249A (en) * | 2013-08-23 | 2015-03-18 | 中国石油天然气股份有限公司 | Method for drying catalytic gasoline hydrogenation catalyst |
| CN106753548A (en) * | 2015-11-21 | 2017-05-31 | 中国石油化工股份有限公司 | A kind of Benzin naphtha catalytic reforming method of by-product also protohydrogen |
| CN106753548B (en) * | 2015-11-21 | 2018-08-14 | 中国石油化工股份有限公司 | A kind of Benzin naphtha catalytic reforming method of by-product also protohydrogen |
| CN105623716A (en) * | 2016-02-23 | 2016-06-01 | 石玉林 | Semi-regeneration catalytic reforming reaction system and method |
| CN105623716B (en) * | 2016-02-23 | 2017-08-25 | 石玉林 | A kind of semi-regenerating catalytic reforming reaction system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090708 Termination date: 20110430 |