CN104069777B - A kind of isothermal adiabatic radial compound formula reactor - Google Patents
A kind of isothermal adiabatic radial compound formula reactor Download PDFInfo
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- CN104069777B CN104069777B CN201410334970.5A CN201410334970A CN104069777B CN 104069777 B CN104069777 B CN 104069777B CN 201410334970 A CN201410334970 A CN 201410334970A CN 104069777 B CN104069777 B CN 104069777B
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Abstract
The present invention relates to a kind of isothermal and adiabatic combined type radial transformation reactor, it is made up of housing and internals, wherein: housing is connected with outer casing underpart cylindrical shell by shell upper end socket; Internals comprise the beds of isothermal radial section, upper atmolysis cylinder, upper gas collecting jar with ground-on cover plate, heat exchanger tube, heat exchanger tube import bobbin carriage, heat exchanger tube outlet bobbin carriage, cold shock device; The cold shock vaporization layer of adiabatic radial section, beds, lower atmolysis cylinder and lower gas collecting jar with ground-on cover plate; It is characterized in that internals are radial setting, wherein: the top of internals is provided with the beds of isothermal radial section, the catalyst layer of this isothermal radial section is located between atmolysis cylinder and upper gas collecting jar with ground-on cover plate and outside heat exchanger tube; The bottom of internals is provided with the beds of adiabatic radial section, and this catalyst layer is located between lower atmolysis cylinder and lower gas collecting jar with ground-on cover plate.The invention solves that existing isothermal conversion process appliance arrangement parts are many, floor space is large and the problem such as cost of investment is high, be applicable to the following process such as Coal Chemical Industry, natural gas industry.
Description
Technical field
The invention belongs to Coal Chemical Industry equipment technical field, particularly relate to a kind of isothermal adiabatic radial compound formula reactor.
Technical background
Transformationreation utilizes carbon monoxide (CO) in unstrpped gas and steam (H
2o) under the effect of catalyst, carbon dioxide (CO is generated
2) and hydrogen (H
2), and release amount of heat Q, its reaction equation is:
In existing coal chemical industry process units, in order to regulate C/Hratio in unstripped gas or H-N ratio, a lot of device CO Varying Process have employed isothermal conversion process.But for high-concentration carbon monoxide isothermal conversion process device, be adopt an adiabatic shift-converter of connecting again after one or more isothermal shift-converter just can reach manufacturing technique requirent at present mostly.Simultaneously, in order to reduce the gas inlet temperature of adiabatic shift-converter, thermal recovery unit is provided with between isothermal shift-converter and adiabatic shift-converter, in order to the steam-to-gas ratio regulating adiabatic shift-converter to enter gas port, before entering adiabatic shift-converter, be also provided with sprinkler or steam adding set.So both add equipment investment, increase pipeline input, also expand the floor space of device.
Summary of the invention
The object of the invention is to provide a kind of isothermal adiabatic radial compound formula reactor for overcoming the deficiencies in the prior art, the present invention can solve that the part of appliance of existing high-concentration carbon monoxide isothermal conversion process device is many, floor space is large and the difficult problem such as cost of investment is high, is applicable to the following process such as Coal Chemical Industry, natural gas industry.
According to a kind of isothermal adiabatic radial compound formula reactor that the present invention proposes, it is made up of housing and internals, wherein: housing is connected with outer casing underpart cylindrical shell by shell upper end socket; Internals comprise the upper beds of isothermal radial section, upper atmolysis cylinder, upper gas collecting jar with ground-on cover plate, heat exchange curved tube, heat exchanger tube import bobbin carriage, heat exchanger tube outlet bobbin carriage and cold shock device, and the upper and lower side of described heat exchange curved tube exports bobbin carriage with heat exchanger tube respectively and heat exchanger tube import bobbin carriage is connected; The cold shock vaporization layer of adiabatic radial section, lower beds, lower atmolysis cylinder and lower gas collecting jar with ground-on cover plate; It is characterized in that described internals are arranged for radial, wherein: the top of described internals is provided with the upper beds of isothermal radial section, on this, beds is located between atmolysis cylinder and upper gas collecting jar with ground-on cover plate and outside heat exchanger tube, and cold shock device is located in the upper gas collecting jar with ground-on cover plate of isothermal radial section; The bottom of described internals is provided with the lower beds of adiabatic radial section, and this lower beds is located between lower atmolysis cylinder and lower gas collecting jar with ground-on cover plate, and the epimere of this lower beds is provided with cold shock vaporization layer.
The present invention compared with prior art its remarkable advantage is:
One is that first reacting gas carries out CO shift reaction by the upper beds of isothermal radial section, and CO conversion can reach about 90%; Then gas enters the cold shock vaporization layer of adiabatic radial section again by lowering the temperature with clean steam-condensation hot water cold shock, and hot water vaporization is to regulate steam-to-gas ratio; The beds finally entering adiabatic radial section carries out CO shift reaction, makes the carbon monoxide content of reactor outlet to reach technological requirement.
Two is that the upper beds of isothermal radial section is arranged between atmolysis cylinder and upper gas collecting jar with ground-on cover plate and outside heat exchange curved tube, walks hot water in the pipe of heat exchange curved tube; Reacting gas is carried out CO shift reaction institute liberated heat and is taken out of by the hot water in heat exchange curved tube in beds, and byproduct steam, make the reaction temperature of beds be in a relative constancy state, thus reach the process of isothermal conversion.
Three is that the import reacting gas of adiabatic radial section carries out cold shock cooling in reactor, humidification, by cold shock device is arranged in upper gas collecting jar with ground-on cover plate, cold shock vaporization layer is located at the top of adiabatic radial section, make clean steam-condensation hot water first by the atomizer of cold shock device, in upper gas collecting jar with ground-on cover plate, cold shock cooling and humidification are carried out to the inlet gas of the i.e. adiabatic radial section of working off one's feeling vent one's spleen of isothermal radial section, enter cold shock vaporization layer again by the gas after being humidified to vaporize further and enter adiabatic radial section and carry out transformationreation, thus the equipment of the thermal recovery unit saved between the isothermal shift-converter of existing high-concentration carbon monoxide conversion process device and adiabatic shift-converter and humidification or interpolation steam.
In sum, the present invention solves the difficult problem that part of appliance is many, floor space is large and cost of investment is high of existing high-concentration carbon monoxide isothermal conversion process device well, is widely used in the following process such as Coal Chemical Industry, natural gas industry.
Accompanying drawing explanation
Fig. 1 is the main TV structure generalized section of a kind of isothermal adiabatic radial compound formula reactor that the present invention proposes.
Fig. 2 is the plan structure schematic diagram of a kind of isothermal adiabatic radial compound formula reactor that the present invention proposes.
Fig. 3 be a kind of isothermal adiabatic radial compound formula reactor that proposes of the present invention look up structural representation.
Specific embodiments
Below in conjunction with drawings and Examples, specific embodiment of the invention scheme is described in further detail.
Composition graphs 1, a kind of isothermal adiabatic radial compound formula reactor that the present invention proposes, it is made up of housing and internals, wherein: housing is connected with outer casing underpart cylindrical shell (6) by shell upper end socket (1), internals comprise the upper beds (2) of isothermal radial section, upper atmolysis cylinder (3), upper gas collecting jar with ground-on cover plate (5), heat exchange curved tube (4), heat exchanger tube import bobbin carriage (11), heat exchanger tube outlet bobbin carriage (10) and cold shock device (7), the upper and lower side of described heat exchange curved tube (4) exports bobbin carriage (10) with heat exchanger tube respectively and heat exchanger tube import bobbin carriage (11) is connected, this heat exchanger tube outlet bobbin carriage (10) is connected with hot water outlet d1 ~ 4 by its tube connector, this heat exchanger tube import bobbin carriage (11) is connected with hot water outlet c1 ~ 4 by its tube connector, the cold shock vaporization layer (8) of adiabatic radial section, lower beds (9), lower atmolysis cylinder (12) and lower gas collecting jar with ground-on cover plate (13), wherein: described internals are radial setting, the top of these internals is provided with the upper beds (2) of isothermal radial section, and on this, beds (2) is located between atmolysis cylinder (3) and upper gas collecting jar with ground-on cover plate (5) and outside heat exchanger tube (4), cold shock device (7) is located in the upper gas collecting jar with ground-on cover plate (5) of isothermal radial section, the bottom of these internals is provided with the lower beds (9) of adiabatic radial section, this lower beds (9) is located between lower atmolysis cylinder (12) and lower gas collecting jar with ground-on cover plate (13), and the epimere of this lower beds (9) is provided with cold shock vaporization layer (8).
Operation principle of the present invention is: entered by the f mouth on shell upper end socket (1) by the steam-condensation hot water being used for the cleaning of cold shock, through connection metal flexible pipe and straight tube, arrive the atomizer of cold shock device (7), the droplet of 0.1mm is atomized water into again by this atomizer, vaporization of being heated after entering reacting gas becomes steam, thus plays the intake air temperature of the lower beds (9) reducing adiabatic radial section and regulate the effect of steam-to-gas ratio; The bottom of described internals is provided with the lower beds (9) of adiabatic radial section, and this lower beds (9) is located between lower atmolysis cylinder (12) and lower gas collecting jar with ground-on cover plate (13); The epimere of this lower beds (9) is provided with cold shock vaporization layer (8), and this cold shock vaporization layer (8) plays the effect of contact area increasing gas, vapour, liquid, and cold shocking water is vaporized more fully and completely; When reacting gas enters the laggard line translation reaction of lower catalyst bed bed (9) of adiabatic radial section, because the CO content entered in this lower beds (9) gas is less than 5%, reacting gas temperature rise is within 32.5 DEG C, and the gas temperature of lower beds (9) is within the Applicable temperature of catalyst, catalysqt deactivation will not be caused to lump because of beds overtemperature.
The further preferred version of the present invention is:
Upper atmolysis cylinder (3) and the upper gas collecting jar with ground-on cover plate (5) of isothermal radial section of the present invention are equipped with a point conductance chute, lower atmolysis cylinder (12) and the lower gas collecting jar with ground-on cover plate (13) of adiabatic radial section are equipped with a point conductance chute, arranging a point conductance chute can make distribution of gas even, gas is present tangential curve to flow to gas collecting jar with ground-on cover plate (5) or lower gas collecting jar with ground-on cover plate (13) in isoplanar from upper atmolysis cylinder (3) or lower atmolysis cylinder (12) flow direction out, thus increase gas flow through path, make CO shift reaction more complete.
The urban d evelopment that the present invention specifically assembles is as follows:
As shown in Figure 1, the present invention is made up of housing and internals two parts, and described housing comprises and being connected with outer casing underpart cylindrical shell (6) by shell upper end socket (1), and connected mode adopts flange to be advisable, freely to dismantle and to facilitate internal installation; The beds (2) of the isothermal radial section in described internals and lower beds (9) the split transport of adiabatic radial section, Assembling, wherein be arranged on by the upper beds (2) of isothermal radial section, the lower beds (9) of adiabatic radial section is arranged on down; The top of described lower beds (9) arranges cold shock vaporization layer (8), cold shock device (7) is arranged in the upper gas collecting jar with ground-on cover plate (5) of isothermal radial section, and cold shock device (7) and shell inlet all adopt connection by metal hose; Catalyst removal tube connector is also provided with, so that the catalyst removal of the upper beds (2) of isothermal radial section between the upper beds (2) of described isothermal radial section and the lower beds (9) of adiabatic radial section; The inlet tube of the heat exchange element of described isothermal radial section, through the lower beds (9) of adiabatic radial section, is connected to hot water inlet c1 ~ 4 mouthful of low head; The tube connector place that heat exchanger tube import bobbin carriage (11) and heat exchanger tube export bobbin carriage (10) is equipped with the bellows eliminating thermal expansion.
Embodiment 1.The present invention is to manufacture the isothermal adiabatic radial compound formula reactor that specification is φ 3500mm:
Isothermal described in the embodiment of the present invention 1 adiabatic radial compound formula reactor, it comprises shell upper end socket (1), upper beds (2), upper atmolysis cylinder (3), heat exchange curved tube (4), upper gas collecting jar with ground-on cover plate (5), outer casing underpart cylindrical shell (6), cold shock device (7), cold shock vaporization layer (8), lower beds (9), heat exchanger tube outlet bobbin carriage (10), heat exchanger tube import bobbin carriage (11), lower atmolysis cylinder (12) and lower gas collecting jar with ground-on cover plate (13); The equipment mouth of pipe is: gas feed a, gas vent b, hot water inlet c1 ~ 4, hot water outlet d1 ~ 4, catalyst unload outlet e1 ~ 3, cold shot liquid import f, man-hole opening m1 ~ 3; Wherein, the specification of each parts is as follows:
Shell upper end socket (1): DN3500mm;
Upper beds (2): H10500mm;
Upper atmolysis cylinder (3): φ 3400mm;
Heat exchange curved tube (4): L10000mm;
Upper gas collecting jar with ground-on cover plate (5): φ 550mm;
Outer casing underpart cylindrical shell (6): DN3500mm;
Cold shock device (7): DN6mm;
Cold shock vaporization layer (8): filler floor height 600mm;
Lower beds (9): H4000mm;
Heat exchanger tube outlet bobbin carriage (10): DN300mm;
Heat exchanger tube import bobbin carriage (11): DN300mm;
Lower atmolysis cylinder (12): φ 3240mm;
Lower gas collecting jar with ground-on cover plate (13): φ 550mm;
Gas feed a:DN500mm;
Gas vent b:DN500mm;
Hot water inlet c1 ~ 4: each mouth is DN300mm;
Hot water outlet d1 ~ 4: each mouth is DN300mm;
Catalyst unloads outlet e1 ~ 3: each mouth is DN300mm;
Cold shot liquid import f:DN50mm;
Man-hole opening m1 ~ 3: each mouth is DN550mm.
In the present invention, the technological means of all not specified (NS)s is prior art known in those skilled in the art.
Below be the concrete support to a kind of isothermal adiabatic radial compound formula reactor technology thought that the present invention proposes by reference to the accompanying drawings with the detailed description of the invention described in one embodiment of the present of invention; protection scope of the present invention can not be limited with this; every technological thought proposed according to the present invention; any equivalent variations that the technical program basis is done or the change of equivalence, all still belong to the scope of technical solution of the present invention protection.
Claims (3)
1. an isothermal adiabatic radial compound formula reactor, it is made up of housing and internals, wherein: housing is connected with outer casing underpart cylindrical shell (6) by shell upper end socket (1); Internals comprise the upper beds (2) of isothermal radial section, upper atmolysis cylinder (3), upper gas collecting jar with ground-on cover plate (5), heat exchange curved tube (4), heat exchanger tube import bobbin carriage (11), heat exchanger tube outlet bobbin carriage (10) and cold shock device (7), and the upper and lower side of described heat exchange curved tube (4) exports bobbin carriage (10) with heat exchanger tube respectively and heat exchanger tube import bobbin carriage (11) is connected; The cold shock vaporization layer (8) of adiabatic radial section, lower beds (9), lower atmolysis cylinder (12) and lower gas collecting jar with ground-on cover plate (13); It is characterized in that described internals are arranged for radial, wherein: the top of described internals is provided with the upper beds (2) of isothermal radial section, on this, beds (2) is located between atmolysis cylinder (3) and upper gas collecting jar with ground-on cover plate (5) and outside heat exchange curved tube (4), and cold shock device (7) is located in the upper gas collecting jar with ground-on cover plate (5) of isothermal radial section; The bottom of described internals is provided with the lower beds (9) of adiabatic radial section, this lower beds (9) is located between lower atmolysis cylinder (12) and lower gas collecting jar with ground-on cover plate (13), and the epimere of this lower beds (9) is provided with cold shock vaporization layer (8).
2. a kind of isothermal according to claim 1 adiabatic radial compound formula reactor, is characterized in that the upper atmolysis cylinder (3) of isothermal radial section and upper gas collecting jar with ground-on cover plate (5) are equipped with a point conductance chute.
3. a kind of isothermal according to claim 1 adiabatic radial compound formula reactor, is characterized in that the lower atmolysis cylinder (12) of adiabatic radial section and lower gas collecting jar with ground-on cover plate (13) are equipped with a point conductance chute.
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| CN104399413B (en) * | 2014-11-18 | 2016-03-16 | 安徽新月化工设备有限公司 | One is controlled moves thermal reactor |
| EP3115338A1 (en) | 2015-07-07 | 2017-01-11 | Casale SA | A method for revamping an ammonia converter |
| CN107974318B (en) * | 2016-10-25 | 2020-04-03 | 中国石化工程建设有限公司 | Composite tower type methanation device and methanation process |
| CN107974319B (en) * | 2016-10-25 | 2020-05-12 | 中国石化工程建设有限公司 | Sulfur-tolerant methanation process for preparing substitute natural gas from coal |
| CN109052319B (en) * | 2018-09-30 | 2022-04-08 | 中石化宁波工程有限公司 | High CO conversion process matched with methanol synthesis |
| CN112624044B (en) * | 2021-01-04 | 2024-07-12 | 南京聚拓化工科技有限公司 | Reactor for producing superheated steam by CO conversion with adiabatic serial isothermal and gas conversion process |
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| JP2543701B2 (en) * | 1987-05-28 | 1996-10-16 | 旭エンジニアリング株式会社 | Methanol reforming reactor |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2362853Y (en) * | 1999-03-01 | 2000-02-09 | 中国石油化工集团公司 | By-productive vapor methanol synthesis reactor |
| CN101001691A (en) * | 2004-07-29 | 2007-07-18 | 卡萨尔甲醇公司 | Fixed-bed catalytic reactor |
| CN1846842A (en) * | 2005-04-01 | 2006-10-18 | 卡萨尔甲醇公司 | Reactor for the heterogeneous synthesis of chemical compounds |
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