CN210176455U - Direct supply device for reforming hydrogen to serve as diesel hydro-upgrading hydrogen source - Google Patents
Direct supply device for reforming hydrogen to serve as diesel hydro-upgrading hydrogen source Download PDFInfo
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- CN210176455U CN210176455U CN201921203353.6U CN201921203353U CN210176455U CN 210176455 U CN210176455 U CN 210176455U CN 201921203353 U CN201921203353 U CN 201921203353U CN 210176455 U CN210176455 U CN 210176455U
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Abstract
The utility model discloses a reforming hydrogen is as direct supply device of diesel oil hydrogenation upgrading hydrogen source, including the reforming reactor, the reaction product air cooler, reforming circulating hydrogen compressor, reforming hydrogen air cooler, first reforming hydrogen booster compressor entry divides the fluid reservoir, first reforming hydrogen booster compressor, one section air cooler of recontacting, one section recontacting jar, second reforming hydrogen booster compressor, two-section recontacting air cooler, two-section recontacting hydrogen heat exchanger, two-section recontacting oil heat exchanger, recontacting refrigerator, two-section recontacting jar, reforming hydrogen dechlorination jar, diesel oil hydrogenation upgrading device's new hydrogen compressor entry divides the fluid reservoir, diesel oil hydrogenation upgrading device's new hydrogen compressor, reforming materials pretreatment system and pipeline. The utility model has the obvious advantages of shortened process flow, low energy consumption and convenient operation; hydrogen is saved, and waste of hydrogen is avoided; the yield of naphtha and diesel oil products can be changed by adjusting the purity of the circulating hydrogen of the diesel oil hydrogenation upgrading device.
Description
Technical Field
The utility model relates to a petrochemical field, concretely relates to reforming hydrogen is as direct supply device of diesel oil hydrogenation modification hydrogen source.
Background
At present, hydrogen produced by a reforming device is generally sent to a PSA (pressure swing adsorption) device, and hydrogen with the hydrogen purity of more than 99.9 percent is generated after hydrogen purification and is used by a diesel hydro-upgrading device. The hydrogen of the reforming device contains more methane, ethane and propane, so that the purity of hydrogen in the desorption gas of the byproduct is about 60 percent, and the waste of the hydrogen is caused.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a direct supply device for reforming hydrogen to be used as a hydrogen source for diesel hydrogenation modification.
The technical scheme is as follows: the system comprises a reforming reactor, a reaction product air cooler, a reforming circulating hydrogen compressor, a reforming hydrogen air cooler, a first reforming hydrogen supercharger inlet liquid separation tank, a first reforming hydrogen supercharger, a first section re-contact air cooler, a first section re-contact tank, a second reforming hydrogen supercharger, a second section re-contact air cooler, a second section re-contact hydrogen heat exchanger, a second section re-contact oil heat exchanger, a re-contact refrigerator, a second section re-contact tank, a reforming hydrogen dechlorination tank, a new hydrogen compressor inlet liquid separation tank of a diesel oil hydrogenation modification device, a new hydrogen compressor of the diesel oil hydrogenation modification device, a reforming raw material pretreatment system and pipelines; the reforming reactor is sequentially connected with a reaction product air cooler, a reforming circulating hydrogen compressor, a reforming hydrogen air cooler, a first reforming hydrogen supercharger inlet liquid separating tank, a first reforming hydrogen supercharger, a first section re-contact air cooler, a first section re-contact tank, a second reforming hydrogen supercharger, a second section re-contact air cooler, a second section re-contact hydrogen heat exchanger, a second section re-contact oil heat exchanger, a re-contact refrigerator and a second section re-contact tank through pipelines, the bottom of the second section re-contact tank is connected to a pipeline between the first reforming hydrogen supercharger and the first section re-contact air cooler through the second section re-contact hydrogen heat exchanger through the pipelines, the top of the second section re-contact tank is connected to a reforming hydrogen dechlorinating tank through the second section re-contact hydrogen heat exchanger through the pipelines, and the reforming hydrogen dechlorinating tank is divided into two, one path is connected with the reforming raw material pretreatment system, and the other path is sequentially connected with a liquid separation tank at the inlet of a new hydrogen compressor of the diesel hydro-upgrading device and the new hydrogen compressor of the diesel hydro-upgrading device.
The above technical solution can be further optimized as follows:
the reforming reactor comprises a first reactor, a second reactor, a third reactor and a fourth reactor which are connected in series, and a final reaction product flows out of the fourth reactor.
The re-contact refrigerator adopts a kettle type re-contact refrigerator.
The number of the reformed hydrogen dechlorination tanks is two.
The two reformed hydrogen dechlorination tanks are used simultaneously.
The two reformed hydrogen dechlorination tanks are used and prepared.
Compared with the prior art, the utility model discloses mainly have following beneficial technological effect:
1. the utility model discloses a reformer hydrogen direct-furnish diesel oil hydrogenation upgrading device's new hydrogen compressor entry divides the fluid reservoir, has that process flow shortens, the energy consumption is little, convenient operation's is showing the advantage.
2. Hydrogen is saved, and waste of hydrogen is avoided.
3. The yield of naphtha and diesel oil products can be changed by adjusting the purity of the circulating hydrogen of the diesel oil hydrogenation upgrading device.
4. Structural configuration is reasonable, and the production operation is stable.
5. The device has low maintenance cost.
Drawings
FIG. 1 is a schematic diagram of the basic structure layout and basic process flow of the present invention;
in the figure: 1-reforming reactor, 2-reaction product gas-liquid separator, 3-first reformed hydrogen supercharger inlet liquid separation tank, 4-first section re-contact air cooler, 5-first section re-contact tank, 6-second reformed hydrogen supercharger, 7-second section re-contact air cooler, 8-second section re-contact hydrogen heat exchanger, 9-second section re-contact tank, 10-reformed hydrogen dechlorination tank, 11-pipeline, 12-reaction product air cooler, 13-reformed recycle hydrogen compressor, 14-reformed hydrogen air cooler, 15-first reformed hydrogen supercharger, 16-second section re-contact oil heat exchanger, 17-re-contact refrigerator, 18-new hydrogen compressor of diesel hydrogenation modifier, 19-new hydrogen compressor inlet liquid separation tank of diesel hydrogenation modifier, 20-reformed raw material pretreatment system.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and accompanying drawings.
Example 1
See fig. 1. A direct supply device for reformed hydrogen serving as a hydrogen source for diesel hydrogenation modification comprises a reforming reactor 1, a reaction product air cooler 12, a reformed circulating hydrogen compressor 13, a reformed hydrogen air cooler 14, a first reformed hydrogen booster inlet liquid separation tank 3, a first reformed hydrogen booster 15, a first section re-contact air cooler 4, a first section re-contact tank 5, a second reformed hydrogen booster 6, a second section re-contact air cooler 7, a second section re-contact hydrogen heat exchanger 8, a second section re-contact oil heat exchanger 16, a re-contact refrigerator 17, a second section re-contact tank 9, a reformed hydrogen dechlorination tank 10, a new hydrogen compressor inlet liquid separation tank 19 of a diesel hydrogenation modification device, a new hydrogen compressor 18 of the diesel hydrogenation modification device, a reformed raw material pretreatment system 20 and a pipeline 11. The reforming reactor 1 is sequentially connected with a reaction product air cooler 12, a reforming circulating hydrogen compressor 13, a reforming hydrogen air cooler 14, a first reforming hydrogen booster inlet liquid separation tank 3, a first reforming hydrogen booster 15, a first section re-contact air cooler 4, a first section re-contact tank 5, a second reforming hydrogen booster 6, a second section re-contact air cooler 7, a second section re-contact hydrogen heat exchanger 8, a second section re-contact oil heat exchanger 16, a re-contact refrigerator 17 and a second section re-contact tank 9 through a pipeline 11, the bottom of the second section re-contact tank 9 is connected to a pipeline between the first reforming hydrogen booster 15 and the first section re-contact air cooler 4 through the second section re-contact hydrogen heat exchanger 8, the top of the second section re-contact tank 9 is connected to a reforming hydrogen dechlorination tank 10 through the pipeline 11 through the second section re-contact hydrogen heat exchanger 8, the reforming hydrogen dechlorination tank 10 is separated out through a pipeline, one of the two pipelines is connected with a reforming, the other path is connected with a new hydrogen compressor inlet liquid separation tank 19 of the diesel hydro-upgrading device and a new hydrogen compressor 18 of the diesel hydro-upgrading device in sequence.
Example 2
See fig. 1. A direct supply device for reforming hydrogen to be used as a hydrogen source for diesel hydro-upgrading is further optimized on the basis of the embodiment 1: the reforming reactor 1 comprises a first reactor, a second reactor, a third reactor and a fourth reactor connected in series, and the final reaction product flows out of the fourth reactor.
Example 3
See fig. 1. A direct supply device for reforming hydrogen to be used as a hydrogen source for diesel hydro-upgrading is further optimized on the basis of the embodiment 2: the recontacting refrigerator 17 is a kettle recontacting refrigerator.
Example 4
See fig. 1. A direct supply device for reforming hydrogen to be used as a hydrogen source for diesel hydro-upgrading is further optimized on the basis of the embodiment 3: the number of the reformed-hydrogen dechlorination tanks 10 is two.
Example 5
See fig. 1. A direct supply device for reforming hydrogen to be used as a hydrogen source for diesel hydro-upgrading is further optimized on the basis of the embodiment 4: the two reformed hydrogen dechlorination tanks 10 are used simultaneously or one for one.
The basic working principle of the utility model is as follows:
the final reaction product of the reforming reactor 1 enters a reaction product air cooler 12 through a pipeline 11 for condensation cooling, then gas-liquid separation is carried out in a reaction product gas-liquid separator 2, after the gas phase is boosted by a reforming recycle hydrogen compressor 13, one part of the gas phase is returned to a reforming reaction system as recycle hydrogen, and the other part of the gas phase is condensed and cooled by a reforming hydrogen air cooler 14, mixed with the gas of a top reflux tank of a depentanizer and the reducing gas of a self-catalyst continuous regeneration part, and then enters a first reforming hydrogen booster compressor inlet liquid separation tank 3 for separation; the gas phase separated from the liquid separation tank 3 at the inlet of the first reformed hydrogen supercharger is compressed by the first reformed hydrogen supercharger 15 for the first section, mixed with the liquid phase from the second section re-contact tank 9, cooled by the first section re-contact air cooler 4, and then enters the first section re-contact tank 5 for gas-liquid separation; the gas phase separated from the first-stage re-contact tank 5 is compressed and pressurized by the second stage of the second reformed hydrogen booster 6, cooled by the second-stage re-contact air cooler 7, mixed with the reforming reaction liquid phase product from the bottom of the reaction product gas-liquid separator 2 and pressurized by the reaction product gas-liquid separator pump, and enters the second-stage re-contact hydrogen heat exchanger 8 and the second-stage re-contact oil heat exchanger 16, and then enters the re-contact refrigerator 17 for cooling, and then enters the second-stage re-contact tank 9 for gas-liquid separation; hydrogen with higher purity is obtained from the top of a second-stage re-contact tank 9, a small part of the hydrogen is sent to a catalyst continuous regeneration device to be used as pressurizing gas, and most of the hydrogen is subjected to hydrogen chloride removal through a reformed hydrogen dechlorination tank 10; hydrogen after hydrogen chloride removal through the reformed hydrogen dechlorination tank 10 is partially sent to a reformed raw material pretreatment system 20 as pre-hydrogenation supplementary hydrogen, and the rest is sent to a new hydrogen compressor inlet liquid separation tank 19 of a diesel hydro-upgrading device as a reformed hydrogen product for liquid separation and used as a hydrogen source of the diesel hydro-upgrading device.
Claims (6)
1. A reformed hydrogen is used as the direct supply equipment of the hydrogen source of diesel hydrogenation modification, characterized by comprising a reforming reactor, a reaction product air cooler, a reformed recycle hydrogen compressor, a reformed hydrogen air cooler, a liquid separation tank at the inlet of a first reformed hydrogen booster, a first section of re-contact air cooler, a first section of re-contact tank, a second reformed hydrogen booster, a second section of re-contact air cooler, a second section of re-contact hydrogen heat exchanger, a second section of re-contact oil heat exchanger, a re-contact refrigerator, a second section of re-contact tank, a reformed hydrogen dechlorination tank, a liquid separation tank at the inlet of a new hydrogen compressor of a diesel hydrogenation modification device, a new hydrogen compressor of the diesel hydrogenation modification device, a reformed raw material pretreatment system and pipelines; the reforming reactor is sequentially connected with a reaction product air cooler, a reforming circulating hydrogen compressor, a reforming hydrogen air cooler, a first reforming hydrogen supercharger inlet liquid separating tank, a first reforming hydrogen supercharger, a first section re-contact air cooler, a first section re-contact tank, a second reforming hydrogen supercharger, a second section re-contact air cooler, a second section re-contact hydrogen heat exchanger, a second section re-contact oil heat exchanger, a re-contact refrigerator and a second section re-contact tank through pipelines, the bottom of the second section re-contact tank is connected to a pipeline between the first reforming hydrogen supercharger and the first section re-contact air cooler through the second section re-contact hydrogen heat exchanger through the pipelines, the top of the second section re-contact tank is connected to a reforming hydrogen dechlorinating tank through the second section re-contact hydrogen heat exchanger through the pipelines, and the reforming hydrogen dechlorinating tank is divided into two, one path is connected with the reforming raw material pretreatment system, and the other path is sequentially connected with a liquid separation tank at the inlet of a new hydrogen compressor of the diesel hydro-upgrading device and the new hydrogen compressor of the diesel hydro-upgrading device.
2. The direct supply device for reforming hydrogen used as hydrogen source for diesel hydro-upgrading of claim 1, wherein the reforming reactor comprises a first reactor, a second reactor, a third reactor and a fourth reactor which are connected in series, and final reaction products flow out of the fourth reactor.
3. The direct supply device for reforming hydrogen used as a hydrogen source for diesel hydro-upgrading of claim 2, wherein the re-contact refrigerator is a tank-type re-contact refrigerator.
4. The direct supply device for reformed hydrogen used as hydrogen source for diesel hydro-upgrading of claim 3, wherein the number of the reformed hydrogen dechlorination tanks is two.
5. The direct supply device for reformed hydrogen used as hydrogen source for diesel hydro-upgrading of claim 4, wherein the two reformed hydrogen dechlorination tanks are used simultaneously.
6. The direct supply device for reformed hydrogen used as hydrogen source for diesel hydro-upgrading of claim 5, wherein the two reformed hydrogen dechlorination tanks are one-used one-standby.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921203353.6U CN210176455U (en) | 2019-07-29 | 2019-07-29 | Direct supply device for reforming hydrogen to serve as diesel hydro-upgrading hydrogen source |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921203353.6U CN210176455U (en) | 2019-07-29 | 2019-07-29 | Direct supply device for reforming hydrogen to serve as diesel hydro-upgrading hydrogen source |
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| CN210176455U true CN210176455U (en) | 2020-03-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228793A (en) * | 2019-07-29 | 2019-09-13 | 正和集团股份有限公司 | A kind of reformer hydrogen is used as the direct-furnish technique and device of diesel oil hydrogenation modification hydrogen source |
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2019
- 2019-07-29 CN CN201921203353.6U patent/CN210176455U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228793A (en) * | 2019-07-29 | 2019-09-13 | 正和集团股份有限公司 | A kind of reformer hydrogen is used as the direct-furnish technique and device of diesel oil hydrogenation modification hydrogen source |
| CN110228793B (en) * | 2019-07-29 | 2023-10-27 | 正和集团股份有限公司 | Direct supply process and device for reforming hydrogen used as diesel hydro-upgrading hydrogen source |
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