CN105854736A - An isothermal reactor - Google Patents

An isothermal reactor Download PDF

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Publication number
CN105854736A
CN105854736A CN201610195152.0A CN201610195152A CN105854736A CN 105854736 A CN105854736 A CN 105854736A CN 201610195152 A CN201610195152 A CN 201610195152A CN 105854736 A CN105854736 A CN 105854736A
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CN
China
Prior art keywords
heat exchanger
exchanger tube
isothermal reactor
tube
tube sheet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610195152.0A
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Chinese (zh)
Inventor
谢定中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hu'nan Anchun High & New Technology Co Ltd
Original Assignee
Hu'nan Anchun High & New Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hu'nan Anchun High & New Technology Co Ltd filed Critical Hu'nan Anchun High & New Technology Co Ltd
Priority to CN201610195152.0A priority Critical patent/CN105854736A/en
Publication of CN105854736A publication Critical patent/CN105854736A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/0207Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid flow within the bed being predominantly horizontal
    • B01J8/0221Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid flow within the bed being predominantly horizontal in a cylindrical shaped bed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/0278Feeding reactive fluids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/0285Heating or cooling the reactor
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/02Preparation of sulfur; Purification
    • C01B17/04Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/06Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
    • C01B3/12Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00106Controlling the temperature by indirect heat exchange
    • B01J2208/00115Controlling the temperature by indirect heat exchange with heat exchange elements inside the bed of solid particles
    • B01J2208/00132Tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00796Details of the reactor or of the particulate material
    • B01J2208/00893Feeding means for the reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/02Processes carried out in the presence of solid particles; Reactors therefor with stationary particles
    • B01J2208/021Processes carried out in the presence of solid particles; Reactors therefor with stationary particles comprising a plurality of beds with flow of reactants in parallel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/02Processes carried out in the presence of solid particles; Reactors therefor with stationary particles
    • B01J2208/023Details
    • B01J2208/027Beds

Abstract

An isothermal reactor is disclosed. The isothermal reactor comprises a shell, a catalyst bed layer, a tube sheet and heat exchange tubes. The upper ends of the heat exchange tubes are mounted to the tube sheet. The lower ends of the heat exchange tubes penetrate into the catalyst bed layer. The tube sheet comprises at least two mounting zones with different heat exchange tube arranging densities. According to reaction characteristics of reaction gas in the isothermal reactor, the tube sheet is divided into a plurality of the mounting zones, and the mounting zones are provided with different numbers of the heat exchange tubes. The isothermal reactor overcomes a catalyst deactivation problem of isothermal reactors at present, achieves energy conservation and consumption reduction, saves materials of the heat exchange tubes and reduces the equipment cost.

Description

A kind of isothermal reactor
Technical field
The present invention relates to a kind of isothermal reactor, specially coal, oil, natural gas and industrial gases process Field, is used for realizing the isothermal reactor of the functions such as the transformationreation of CO, methanation reaction and sulfur recovery.
Background technology
Coal, oil, natural gas and industrial gases process field, have a lot of strong exothermal reaction, such as CO The direct oxidation reaction of transformationreation, methanation reaction and sulfur recovery.
As a example by CO transformationreation, the often CO of conversion 1%, temperature raises 9-10 DEG C;For sulfur recovery Direct oxidation is reacted, the H of volume fraction 1%2It is 70 DEG C that S is converted into the temperature rise that the reaction heat of sulfur causes, because of This, reaction temperature must be controlled by, and prevents overtemperature from making catalysqt deactivation, even burns out showing of catalyst As occurring.In existing reactor, in order to control reaction temperature, all use water pipe to move heat, reach isothermal anti- Should, guard catalyst is not burned.But, the heat exchanger tube arrangement in existing isothermal reactor all exists Some problems and cause: move heat not in time, the hidden danger of catalytic reaction overtemperature occurs, and there is waste of material, The problem that equipment cost increases.
Summary of the invention
The invention provides a kind of isothermal reactor and can well solve problem above.
The technical solution used in the present invention is:
A kind of isothermal reactor, including housing, beds, tube sheet and heat exchanger tube, on described heat exchanger tube End is arranged on described tube sheet, and described heat exchanger tube lower end is stretched in described beds, and described tube sheet includes The installing zone that density differs arranged by heat exchanger tube described at least two.
Reacting gas, in the catalyst bed intrastratal flow of isothermal reactor and when carrying out catalytic reaction, flows through catalysis The stage of reaction that the different region of agent bed is carried out is different, each stage of reaction, and catalytic reaction produces Heat is different, and required heat exchanger tube quantity is the most different, therefore can be by stage of reaction number on tube sheet Mark off the region of respective numbers, in each region, be evenly arranged the heat exchanger tube installing respective numbers, so Just the hot needs of shifting of each stage of reaction can be met, it is to avoid with fixing on whole tube sheet in prior art Even density arranges heat exchanger tube and cause occur showing of overtemperature not in certain stage of reaction heat exchanger tube quantity As, or too much there is wasting the phenomenon of material in certain stage of reaction heat exchanger tube quantity.
Further, each described installing zone is the circle ring area with described tube sheet center as the center of circle.
Isothermal reactor is generally pylindrical, and the tube sheet being arranged in isothermal reactor is circle, therefore at pipe The installing zone divided on plate is circle ring area.
Further, described installing zone is two, respectively compact district and rarefaction, the institute of described compact district State heat exchanger tube and arrange that density is more than described rarefaction.
Further, if reacting gas from the inwall of described housing to the center flow of described beds, Described compact district is the circle ring area near described tube sheet edge, and described rarefaction is near described tube sheet center Circle ring area.
Further, if reacting gas flows from the center of described beds to the inwall of described housing, Described compact district is the circle ring area near described tube sheet center, and described rarefaction is near described tube sheet edge Circle ring area.
More than 65% or H is up to for the strong exothermal reaction of high concentration, the such as content of reacting gas CO2S Content is up to the reaction of more than 25%, just starts in the beds of these reaction gases entrance isothermal reactor When reacting, catalytic reaction is very violent, and thermal discharge is big and exotherm rate is fast, needs to move rapidly heat, Need a fairly large number of heat exchanger tube;After primary response, these reacting gas beds Interior flowing, carries out subsequent reactions, when subsequent reactions, in the gas that primary response is crossed CO content or H2S content is substantially reduced, and response speed at this moment is decreased obviously, and thermal discharge substantially reduces, it is only necessary to a small amount of Heat exchanger tube.According to above feature, the tube sheet of conventional small size isothermal reactor can be divided into compact district And rarefaction, the region that reacting gas first passes around is compact district, installs a fairly large number of heat exchange in this region Pipe, meets the needs of reacting gas primary response;The region of the follow-up process of reacting gas is rarefaction, at this The heat exchanger tube of negligible amounts is installed in region, meets the needs of reacting gas subsequent reactions.
Further, described compact district and described rarefaction all to be equidistantly evenly arranged described heat exchanger tube, institute The stringing stating compact district is smaller than described rarefaction.
Further, the described heat exchanger tube external diameter of described each installing zone.
The needs of heat are moved, at the heat exchanger tube that tube sheet each installing zone is arranged in order to better meet catalytic reaction External diameter can be inconsistent, and the region strong to catalytic reaction can use the heat exchanger tube that outside dimension is big, anti-to catalysis Should can use the heat exchanger tube that outside dimension is little in weak region.
Further, described heat exchanger tube bottom is equipped with volute spring.
Further, described heat exchanger tube bottom is equipped with thimble.
Further, described heat exchanger tube bottom is equipped with sleeve, and the lower end of this heat exchanger tube is stretched in described sleeve, Described sleeve bottom is closed, and forms seal area between upper end and described heat exchanger tube.
Around heat exchanger tube and bottom is filled with catalyst granules, when reaction bed temperature generation acute variation, Heat exchanger tube can expand with heat and contract with cold, and these catalyst granules may hinder expanding with heat and contract with cold of heat exchanger tube, from And make heat exchanger tube squeeze bad or drawing crack.Volute spring, thimble or the sleeve that heat exchanger tube bottom is installed, can make heat exchange Stretch the most in the axial direction when pipe expands with heat and contract with cold, heat exchanger tube can be protected not destroy because expanding with heat and contract with cold.
Compared with present technology, the invention has the beneficial effects as follows:
According to reacting gas reaction characteristics in isothermal reactor, tube sheet is divided into multiple installing zone, often Individual installing zone installs the heat exchanger tube that quantity does not waits, to meet reacting gas differential responses rank in isothermal reactor The shifting heat of section needs, and present invention, avoiding in prior art and arranges with fixing even density on whole tube sheet Heat exchanger tube and the phenomenon that overtemperature occurs not in certain stage of reaction heat exchanger tube quantity that causes, or anti-at certain Stage heat exchanger tube quantity should too much there is wasting the phenomenon of material, and improve catalytic reaction efficiency, reduce Equipment cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, retouch below Accompanying drawing in stating is some embodiments of the present invention, for those of ordinary skill in the art, is not paying On the premise of creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the mounting arrangements schematic diagram on described tube sheet of the heat exchanger tube described in an embodiment of the present invention;
Fig. 3 is the structural representation of a kind of embodiment of heat exchanger tube of the present invention;
Fig. 4 is the structural representation of heat exchanger tube another kind embodiment of the present invention;
Fig. 5 is the structural representation of heat exchanger tube another kind embodiment of the present invention.
Detailed description of the invention
A kind of isothermal reactor, as it is shown in figure 1, include housing 1, beds 2, tube sheet 3 and heat exchange Pipe 4, described heat exchanger tube 4 upper end is arranged on described tube sheet 3, and described catalysis is stretched in described heat exchanger tube 4 lower end In agent bed 2, described tube sheet 3 includes that described at least two, the installing zone that density differs arranged by heat exchanger tube 4.
As in figure 2 it is shown, each described installing zone is the circle ring area with described tube sheet 3 center as the center of circle.Fig. 2 In, described installing zone is two, respectively compact district and rarefaction, and the heat exchanger tube 4 of compact district is arranged close Degree is greater than rarefaction.As it is shown in figure 1, reacting gas from the inwall of isothermal reactor housing to catalyst bed The center flow of layer, described compact district is the circle ring area 31 near described tube sheet edge, and described rarefaction is Circle ring area 32 near described tube sheet center.If reacting gas is from isothermal reactor beds Flowing to the inwall of housing in center, the most described compact district is the circle ring area near described tube sheet center, described Rarefaction is the circle ring area near described tube sheet edge.As in figure 2 it is shown, described compact district and described sparse District is all to be equidistantly evenly arranged described heat exchanger tube 4, and the stringing of described compact district is smaller than described rarefaction. Additionally, the external diameter of heat exchanger tube 4 that compact district and rarefaction are arranged can not wait.
As a example by high CO converts, the decarburization gas come from outer workshop section, CO content is about 70%, gas temperature Being 210 DEG C, gas pressure is 3.0MPa.As it is shown in figure 1, decarburization gas enters bottom isothermal reactor, Rise on gap along housing 1 inwall, the bottom, simultaneously from housing 1 inwall toward the center of beds 2 Flow by radial direction.Decarburization gas first has to the annulus in beds 2 near housing 1 inwall Region (i.e. the region of tube sheet 3 compact district 31 correspondence), at this moment CO content concn is up to 70%, reaction play Strong, rapid heat release, thermal discharge is big, and heat exchanger tube 4 density installed because of this region is big, good effect of heat exchange, temperature Degree declines very fast, and after this region is reacted, CO concentration reduces rapidly;Decarburization gas through initial reaction Continue to flow to beds 2 central area, flowing through beds 2 central area (i.e. tube sheet 3 The region of rarefaction 32 correspondence) time, CO content concn reduces to 20%-40%, response speed decline, heat release Amount reduces, and heat exchanger tube 4 density that this conversion zone is installed is little, and heat transfer rate is relatively slow, thus protects Demonstrate,prove the temperature of whole beds 2 within the scope of suitably, do not had too high the making of local temperature and urge Agent inactivates, and even burns out the phenomenon of catalyst.
Isothermal reactor size as shown in Figure 1 is less, and tube sheet 3 only includes two installing zones, if isothermal Reactor size is relatively big, and tube sheet 3 can include 3 or more installing zone.
As it is shown on figure 3, in order to prevent the catalyst bottom heat exchanger tube 4 affect heat exchanger tube 4 because expanding with heat and contract with cold and Stretching in the axial direction, is mounted with volute spring 41 in the bottom of heat exchanger tube 4, this volute spring 41 Elasticity provides space for expanding with heat and contract with cold of heat exchanger tube 4.
As shown in Figure 4, in order to prevent the catalyst bottom heat exchanger tube 4 affect heat exchanger tube 4 because expanding with heat and contract with cold and Stretching in the axial direction, is mounted with thimble 42 in the bottom of heat exchanger tube 4, and this thimble 42 can be very easily Insert and extract catalyst layer out, stretching more in beds 2 when heat exchanger tube 4 so can be made to expand with heat and contract with cold Freely.
As it is shown in figure 5, in order to prevent the catalyst bottom heat exchanger tube 4 affect heat exchanger tube 4 because expanding with heat and contract with cold and Stretching in the axial direction, is mounted with sleeve 43 in the bottom of heat exchanger tube 4, and the lower end of this heat exchanger tube 4 is stretched Enter in described sleeve 43, described sleeve 43 bottom lock, formed between upper end and described heat exchanger tube 4 and seal District.The inner chamber of this sleeve 43 is that expanding with heat and contract with cold of heat exchanger tube 4 provides space.
Last it is noted that above example is only in order to illustrate technical scheme, rather than it is limited System;Although the present invention being described in detail with reference to previous embodiment, those of ordinary skill in the art It is understood that the technical scheme described in foregoing embodiments still can be modified by it, or to it Middle part technical characteristic carries out equivalent;And these amendments or replacement, do not make appropriate technical solution Essence departs from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (10)

1. an isothermal reactor, including housing (1), beds (2), tube sheet (3) and heat exchanger tube (4), described heat exchanger tube (4) upper end is arranged on described tube sheet (3), and described heat exchanger tube (4) lower end is stretched Enter in described beds (2), it is characterised in that: described tube sheet (3) includes changing described at least two The installing zone that density differs arranged by heat pipe (4).
Isothermal reactor the most according to claim 1, it is characterised in that: each described installing zone is for institute Stating tube sheet (3) center is the circle ring area in the center of circle.
Isothermal reactor the most according to claim 2, it is characterised in that: described installing zone is two, point Not Wei compact district and rarefaction, the described heat exchanger tube (4) of described compact district arranges that density is more than described rarefaction.
Isothermal reactor the most according to claim 3, it is characterised in that: described compact district is near described The circle ring area at tube sheet (3) edge, described rarefaction is the circle ring area near described tube sheet (3) center.
Isothermal reactor the most according to claim 3, it is characterised in that: described compact district is near described The circle ring area at tube sheet (3) center, described rarefaction is the circle ring area near described tube sheet (3) edge.
6. according to isothermal reactor described in claim 4 or 5, it is characterised in that: described compact district and described dilute Thin district is all to be equidistantly evenly arranged described heat exchanger tube (4), and the stringing of described compact district is smaller than described dilute Dredge district.
7. according to the isothermal reactor one of claim 1-5 Suo Shu, it is characterised in that: described each installing zone Described heat exchanger tube (4) external diameter.
8. according to the isothermal reactor one of claim 1-5 Suo Shu, it is characterised in that: described heat exchanger tube (4) Bottom is equipped with volute spring (41).
9. according to the isothermal reactor one of claim 1-5 Suo Shu, it is characterised in that: described heat exchanger tube (4) Bottom is equipped with thimble (42).
10. according to the isothermal reactor one of claim 1-5 Suo Shu, it is characterised in that: described heat exchanger tube (4) Bottom is equipped with sleeve (43), and the lower end of this heat exchanger tube (4) is stretched in described sleeve (43), described sleeve (43) bottom lock, forms seal area between upper end and described heat exchanger tube (4).
CN201610195152.0A 2016-03-31 2016-03-31 An isothermal reactor Pending CN105854736A (en)

Priority Applications (1)

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CN201610195152.0A CN105854736A (en) 2016-03-31 2016-03-31 An isothermal reactor

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108554321A (en) * 2018-05-04 2018-09-21 沈阳化工大学 A kind of catalytic reactor reduced suitable for strongly exothermic volume
CN109225074A (en) * 2018-09-30 2019-01-18 中石化宁波工程有限公司 A kind of temperature-changeable isothermal shift-converter
CN109261082A (en) * 2018-09-30 2019-01-25 中石化宁波工程有限公司 Isothermal shift-converter
CN110237778A (en) * 2019-05-28 2019-09-17 沈阳化工大学 A kind of isothermal reactor and its process of convenient changing catalyst
CN111349498A (en) * 2020-03-25 2020-06-30 湖南安淳高新技术有限公司 Isothermal methanation reaction system and process
CN108554321B (en) * 2018-05-04 2021-06-08 沈阳化工大学 Catalytic reactor suitable for strong heat release volume reduction

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5520891A (en) * 1994-02-01 1996-05-28 Lee; Jing M. Cross-flow, fixed-bed catalytic reactor
CN202057236U (en) * 2011-05-16 2011-11-30 四川蓝星机械有限公司 Connection structure of heat exchange tube and tube plate
CN103435006A (en) * 2013-08-20 2013-12-11 湖南安淳高新技术有限公司 High-CO high-conversion-rate isothermal shift reactor
CN203678354U (en) * 2013-12-17 2014-07-02 尹明大 Isothermal low-temperature methanation reactor
CN204154173U (en) * 2014-09-19 2015-02-11 南通三圣石墨设备科技股份有限公司 Tube sheet encapsulating structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5520891A (en) * 1994-02-01 1996-05-28 Lee; Jing M. Cross-flow, fixed-bed catalytic reactor
CN202057236U (en) * 2011-05-16 2011-11-30 四川蓝星机械有限公司 Connection structure of heat exchange tube and tube plate
CN103435006A (en) * 2013-08-20 2013-12-11 湖南安淳高新技术有限公司 High-CO high-conversion-rate isothermal shift reactor
CN203678354U (en) * 2013-12-17 2014-07-02 尹明大 Isothermal low-temperature methanation reactor
CN204154173U (en) * 2014-09-19 2015-02-11 南通三圣石墨设备科技股份有限公司 Tube sheet encapsulating structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108554321A (en) * 2018-05-04 2018-09-21 沈阳化工大学 A kind of catalytic reactor reduced suitable for strongly exothermic volume
CN108554321B (en) * 2018-05-04 2021-06-08 沈阳化工大学 Catalytic reactor suitable for strong heat release volume reduction
CN109225074A (en) * 2018-09-30 2019-01-18 中石化宁波工程有限公司 A kind of temperature-changeable isothermal shift-converter
CN109261082A (en) * 2018-09-30 2019-01-25 中石化宁波工程有限公司 Isothermal shift-converter
CN110237778A (en) * 2019-05-28 2019-09-17 沈阳化工大学 A kind of isothermal reactor and its process of convenient changing catalyst
CN111349498A (en) * 2020-03-25 2020-06-30 湖南安淳高新技术有限公司 Isothermal methanation reaction system and process

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