CN209254707U - Move radially bed reaction device - Google Patents
Move radially bed reaction device Download PDFInfo
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- CN209254707U CN209254707U CN201821769387.7U CN201821769387U CN209254707U CN 209254707 U CN209254707 U CN 209254707U CN 201821769387 U CN201821769387 U CN 201821769387U CN 209254707 U CN209254707 U CN 209254707U
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- reactor
- electric heater
- reaction device
- cold fluid
- bed reaction
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Abstract
The utility model discloses one kind and moves radially bed reaction device, need to separately set the disadvantages of heating furnace increases construction investment to solve existing technology.This moves radially the radially moving bed reactor that bed reaction device includes two or more longitudinal overlaps arrangement, it is transition region between the adjacent upper reactor and lower reactor, electric heater is set in transition region, electric heater includes electrical heating elements, cold fluid inlet and cold fluid outlet, upper reactor bottom is provided with reactor media discharge connection, upper reactor central tube is connected to the cold fluid inlet of electric heater by upper reactor media discharge connection, lower reactor media inlet connection is arranged in lower reactor head, the cold fluid outlet of electric heater is connected to by lower reactor media inlet connection with lower reactor media entrance.
Description
Technical field
The utility model relates to moving bed reaction devices in petrochemical industry, especially heat medium without separately setting
One kind of heating furnace moves radially bed reaction device.
Background technique
Moving bed (such as CONTINUOUS REFORMER, dehydrogenating propane etc.) is to ensure that industrial continuous production high-quality oil product and chemical products
Important means, core equipment is radially moving bed reactor.Radially moving bed reactor refers to catalyst in reactor
Portion, which is passed through, is formed by annular space by sector drum and central tube, and medium is from sector drum radial through catalyst bed
After reaction, reaction product is separated by central tube with catalyst.The top reaction product of stacked reactor can be admitted to down
Portion's reactor continues to react, the radially moving bed reactor of such as two (or more) longitudinal overlaps arrangement.
In the radially moving bed reactor of Liang Tai (or more) longitudinal overlap arrangement, since reaction is needed in hot conditions
Lower progress, and reaction process needs to absorb amount of heat, therefore reaction product temperature can reduce after completion reaction, it will to meet
Top reaction product be sent into the lower part reactor temperature that the reaction was continued need, on top reaction product enter lower part reactor it
Before, it needs separately to set heating furnace and it is heated, enter back into lower part reactor after reaching temperature requirement.It needs to consume in the process big
The energy of amount results in the need for a large amount of construction investments.
One kind, which is disclosed, application No. is 01115290.7 Chinese patent (publication number 1322794A) contains four reaction areas
Continuous reformer, be by the arranged superposed in the way of from top to bottom respectively of every two reactors in four reaction areas,
Two reaction towers are formed, two reaction towers and regenerative system are mutually juxtaposed arrangement.The technology implements institute's structure with by prior art
At the continuous reformer containing four reaction areas compare, it is possible to reduce reaction framework and regenerate framework between elevation difference,
Keep device framework arrangement more convenient.But in the technology, heating furnace is set between two reactors of arranged superposed, engineering is thrown
Money is big.
Utility model content
The purpose of this utility model is to provide it is a kind of it is novel move radially bed reaction device, separately set with solving existing technology
Heating furnace increases the disadvantages of construction investment.It may make material no longer needs to be introduced separately into heating furnace to add using the utility model
Heat relies on the reactor therein heating temperature condition that can reach that the reaction was continued required.
The utility model provides one kind and moves radially bed reaction device, the radial direction arranged including two or more longitudinal overlaps
Moving-burden bed reactor, radially moving bed reactor inside setting sector drum and central tube, it is characterised in that: described adjacent two vertical
It is upper reactor, lower reactor to the radially moving bed reactor of arranged superposed, is transition between upper reactor and lower reactor
Area, transition region is interior to be arranged electric heater, and electric heater includes electrical heating elements, cold fluid inlet and cold fluid outlet, upper reaction
Device central tube is connected to the cold fluid inlet of electric heater, and the cold fluid outlet of electric heater is connected to lower reactor.
Upper reactor media discharge connection is arranged in the upper reactor bottom, and upper reactor central tube is situated between by upper reactor
Matter discharge connection is connected to the cold fluid inlet of electric heater, and lower reactor media inlet connection is arranged in lower reactor head, and electricity adds
The cold fluid outlet of hot device is connected to by lower reactor media inlet connection with lower reactor.
The shape of the upper reactor media discharge connection and lower reactor media inlet connection is cylinder type.
The electric heater provides heat source by external power supply, and outer power voltage is usually 380V, big according to unit scale
Small difference, electric heater capacity are that 40kW~3400kW is differed, preferably 100kW~2000kW.
The electrical heating elements are club shaped structure.
The bed reaction device described in the utility model that moves radially can be used in moving bed reaction system, such as CONTINUOUS REFORMER,
The reaction systems such as dehydrogenating propane, it is ensured that industrial continuous production high-quality oil product and chemical products.
The utility model has the advantage, that compared with prior art
1) bed reaction device described in the utility model that moves radially is not required to separately set heating furnace again, and the engineering for saving device is thrown
Money；It does not need again the associated furnaces such as to be piped, optimizes engineering design, optimize process flow；
2) it is described in the utility model move radially bed reaction device intermediate reaction product need not be drawn out to again by reactor plus
Returning reactor after hot stove heats in furnace reduces the pressure drop of reaction mass, reduces energy consumption；
3) bed reaction device described in the utility model that moves radially is since reaction mass pressure drop reduces, so that reaction can be
It is operated under lower pressure, on the one hand conversion rate of reaction product is improved, on the other hand decrease the energy consumption of compressor；
4) bed reaction device described in the utility model that moves radially reduces high temperature big-inch pipe, reduces investment, subtracts
Occupied area is lacked.
With the drawings and specific embodiments, the utility model is described in further detail below, but is not intended to limit this reality
With novel range.
Detailed description of the invention
Fig. 1 is that the utility model one kind moves radially bed reaction device simple structure figure.
Appended drawing reference as shown in the figure is:
1, upper reactor, 2, transition region, 3, lower reactor, 4, sector drum, 5, central tube, 6, medium inlet, 7, upper reaction
Device medium outlet, 8, electric heater, 9, electrical heating elements, 10, cold fluid inlet, 11, cold fluid outlet, 12, lower reaction
Device medium inlet adapter tube
Specific embodiment
Such as Fig. 1, one kind moving radially bed reaction device, arranges including two or more longitudinal overlaps radially moving bed anti-
Device is answered, is the radially moving bed reactor of two longitudinal overlaps arrangement shown in Fig. 1, setting fan inside radially moving bed reactor
Shape cylinder 4 and central tube 5, top radially moving bed reactor are upper reactor 1, and lower part radially moving bed reactor is lower reactor
3, it is transition region 2 between upper reactor 1 and lower reactor 3, electric heater 8 is set in transition region 2, electric heater 8 includes that electricity adds
Thermal element 9, cold fluid inlet 10, cold fluid outlet 11, upper 1 bottom of reactor are provided with reactor media discharge connection 7, on
The central tube 5 of reactor 1 is connected to the cold fluid inlet 10 of electric heater 8, lower reactor by upper reactor media discharge connection 7
Lower reactor media inlet connection 14 is arranged in 3 inlet, and the cold fluid outlet 11 of electric heater passes through lower reactor media entrance
Adapter tube 14 is connected to the medium inlet of lower reactor 3.
The shape of the upper reactor media discharge connection 7 and lower reactor media inlet connection 14 is cylinder type.
The electric heater 8 provides heat source by external power supply, and outer power voltage is usually 380V, big according to unit scale
Small difference, electric heater capacity are that 40kW~3400kW is differed, preferably 100kW~2000kW.
The shape of the electrical heating elements 9 is usually club shaped structure.
The utility model one kind shown in Fig. 1 moves radially bed reaction device, and quick-reading flow sheets is:
The annular space that catalyst relies on gravity to be made up of central tube 5 and sector drum 4 from top to bottom.Medium is from upper reaction
The medium inlet 6 of device 1 enters upper reactor 1, subsequently into sector drum 4, after catalyst bed reaction, by central tube
5 separate medium with catalyst, and medium continues to flow out upper reactor 1 through upper reactor media discharge connection 7 downwards, through cold fluid
Entrance 10 enters electric heater 8, is heated under the action of electrical heating elements 9, and medium reaches required temperature item by heating
After part, go out electric heater 8 through cold fluid outlet 11, then proceedes to enter lower reaction through lower reactor media inlet connection 12 downwards
Device 2 is separated medium with catalyst bed by lower part reactor central tube 5 after catalyst bed.
Claims (6)
1. one kind moves radially bed reaction device, including the radially moving bed reactor that two or more longitudinal overlaps arrange, diameter
Sector drum and central tube are set inside to moving-burden bed reactor, it is characterised in that: the diameter of adjacent two longitudinal overlaps arrangement
It is upper reactor, lower reactor to moving-burden bed reactor, is transition region, setting in transition region between upper reactor and lower reactor
Electric heater, electric heater include electrical heating elements, cold fluid inlet and cold fluid outlet, and upper reactor central tube connection electricity adds
The cold fluid inlet of hot device, the cold fluid outlet of electric heater are connected to lower reactor.
2. one kind according to claim 1 moves radially bed reaction device, it is characterised in that: the upper reactor bottom is set
Reactor media discharge connection is set, upper reactor central tube is connected to the cold of electric heater by upper reactor media discharge connection
Lower reactor media inlet connection is arranged in fluid inlet, lower reactor head, and the cold fluid outlet of electric heater passes through lower reaction
Device medium inlet adapter tube is connected to lower reactor.
3. one kind according to claim 2 moves radially bed reaction device, it is characterised in that: the upper reactor media goes out
The shape of mouth adapter tube and lower reactor media inlet connection is cylinder type.
4. one kind according to claim 1 moves radially bed reaction device, it is characterised in that: the electric heater capacity is
40kW~3400kW.
5. one kind according to claim 1 or 4 moves radially bed reaction device, it is characterised in that: the electric heater function
Rate is 100kW~2000kW.
6. one kind according to claim 1 moves radially bed reaction device, it is characterised in that: the electrical heating elements are stick
Shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821769387.7U CN209254707U (en) | 2018-10-30 | 2018-10-30 | Move radially bed reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821769387.7U CN209254707U (en) | 2018-10-30 | 2018-10-30 | Move radially bed reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209254707U true CN209254707U (en) | 2019-08-16 |
Family
ID=67558337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821769387.7U Active CN209254707U (en) | 2018-10-30 | 2018-10-30 | Move radially bed reaction device |
Country Status (1)
| Country | Link |
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| CN (1) | CN209254707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020088440A1 (en) * | 2018-10-29 | 2020-05-07 | 中国石油化工股份有限公司 | Liquid-solid radial moving bed reaction device and solid acid alkylation method |
-
2018
- 2018-10-30 CN CN201821769387.7U patent/CN209254707U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020088440A1 (en) * | 2018-10-29 | 2020-05-07 | 中国石油化工股份有限公司 | Liquid-solid radial moving bed reaction device and solid acid alkylation method |
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