CN106861561A - efficient isothermal radial reactor - Google Patents
efficient isothermal radial reactor Download PDFInfo
- Publication number
- CN106861561A CN106861561A CN201710164901.8A CN201710164901A CN106861561A CN 106861561 A CN106861561 A CN 106861561A CN 201710164901 A CN201710164901 A CN 201710164901A CN 106861561 A CN106861561 A CN 106861561A
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- Prior art keywords
- reactor
- liquid film
- heat exchange
- falling liquid
- outer fin
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- 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.)
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- 239000007788 liquid Substances 0.000 claims abstract description 67
- 239000007789 gas Substances 0.000 claims abstract description 47
- 239000003054 catalyst Substances 0.000 claims abstract description 23
- 239000002826 coolant Substances 0.000 claims abstract description 20
- 230000001413 cellular effect Effects 0.000 claims abstract description 12
- 239000012495 reaction gas Substances 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 239000000110 cooling liquid Substances 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 4
- 241000826860 Trapezium Species 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 14
- 230000003197 catalytic effect Effects 0.000 abstract description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 241000628997 Flos Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 210000003625 skull Anatomy 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical 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
- B01J8/0242—Chemical 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 vertical
- B01J8/025—Chemical 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 vertical in a cylindrical shaped bed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical 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
- B01J8/0278—Feeding reactive fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical 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
- B01J8/0285—Heating or cooling the reactor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The invention belongs to catalytic reactor technical field, and in particular to a kind of efficient isothermal radial reactor.It includes reactor shell, and the sidepiece of the reactor shell is provided with reaction gas inlet；The cellular air inlet distributor of level is coaxially arranged with the reactor enclosure body, the outer fin heat exchange pipe of interior falling liquid film, catalyst filling bed between the outer fin heat exchange pipe of the interior falling liquid film are provided with the inside of the cellular air inlet distributor of level；The top of the outer fin heat exchange pipe of the interior falling liquid film is provided with floating tubesheet, and the top of the floating tubesheet is provided with floating head；Coolant inlet pipe is provided with the top of the reactor shell, liquid separatnig plate is provided with the floating tubesheet, a point fluid apertures is distributed with the liquid separatnig plate；The outer fin heat exchange pipe correspondence of the interior falling liquid film is provided with falling liquid film head.This reactor heat transfer efficiency is high, temperature control is smart, pressure difference control is small, is particularly suited for the control of high temperature, the highly exothermic, temperature difference and pressure difference and requires small gas gas exothermic reaction field.
Description
Technical field
The invention belongs to catalytic reactor technical field, and in particular to a kind of efficient isothermal radial reactor, especially adapt to
In high temperature, highly exothermic, the small temperature difference, small pressure difference extreme gas solid/liquid/gas reactions field.
Background technology
In chemical industry, the strong exothermal reaction of gas gas phase, liquid phase and liquid liquid phase is frequently encountered, such as low pressure methanol is closed
Acetic acid processed etc. is aoxidized into, CO isothermals conversion, ethyl acetate catalytic hydrogenation, methanol carbonyl.Catalyst is reaction in such device
Core, and isothermal reactor is then to realize industrialized key.Only the two is combined, and could realize energy-saving and optimal work
Skill index.
At present, the species of reactor is various in commercial plant, and structural shape is also varied, but in actual production simultaneously
It is undesirable, still suffer from as：Temperature control precision is low, heat transfer efficiency is low, heat exchange area is big, radial gas skewness, processing
The problems such as manufacture difficulty is big.
The content of the invention
In order to solve the above-mentioned technical problem, it is an object of the invention to provide a kind of heat transfer efficiency it is high, temperature control is smart, pressure
The small efficient isothermal radial reactor of difference control, is particularly suited for the control of high temperature, the highly exothermic, temperature difference and pressure difference and requires small gas gas
Exothermic reaction.
To realize above-mentioned technical purpose, the present invention uses following technical scheme：
Efficient isothermal radial reactor, including reactor shell, the sidepiece of the reactor shell are provided with some along footpath
To the reaction gas inlet for setting；
It is coaxially arranged with the reactor enclosure body and is distributed with the cellular air inlet of the level that the reaction gas inlet is connected
Device, is provided with the outer fin heat exchange pipe of interior falling liquid film on the inside of the cellular air inlet distributor of level, the outer fin of the interior falling liquid film is changed
Catalyst filling bed between heat pipe, the outer fin heat exchange pipe of the interior falling liquid film is provided centrally with channel of gas collection, and the gas collection leads to
Road the week side of boss is provided with catalyst backstop, and the channel of gas collection is connected with discharge, and the bottom of the discharge extend out to described anti-
Answer the outside of device housing and form reaction gas and export；
The top of the outer fin heat exchange pipe of the interior falling liquid film is provided with floating tubesheet, and the top of the floating tubesheet is provided with floating
Skull；Be provided with coolant inlet pipe at the top of the reactor shell, the coolant inlet pipe stretch in the floating head and
Form cooling liquid inlet；The week side of boss on the floating tubesheet positioned at the coolant inlet pipe is provided with liquid separatnig plate, the liquid separatnig plate
On a point fluid apertures is distributed with；The mouth of pipe correspondence of the outer fin heat exchange pipe of the interior falling liquid film is provided with falling liquid film head；The reactor shell
Bottom is provided with cooling liquid outlet and the outlet of coolant boil-off gas.
Preferably, the C-shaped bending of bottom pipeline section of the outer fin heat exchange pipe of the interior falling liquid film, fin is changed outside the interior falling liquid film
The bottom of heat pipe constitutes pyramidal structure and by taper tube sheet support.
Preferably, the cellular air inlet distributor of level includes that layering is provided with lattice in distributing barrel, the distributing barrel
Aperture plate.
Preferably, the outer fin heat exchange pipe of the interior falling liquid film includes body, the disposed inboard of the body has film forming device again,
Radiating fin is provided with the periphery wall of the body.
Preferably, there is the falling liquid film head spiral internal tangent to enter liquidus.
Preferably, the upper and lower two-layer of point fluid apertures point of the liquid separatnig plate, point fluid apertures described in upper strata is trapezium structure.
Preferably, the catalyst backstop uses regular hexagon grid web frame.
Preferably, the floating tubesheet is provided with the manhole for facilitating access for the channel of gas collection.
There is at least following beneficial effect due to using above-mentioned technical proposal, the present invention：
(1) synthesis gas uses radial air inlet, uniform through the distributing barrel of air inlet distributor and the level honeycomb structure of grid
Enter in reactor after distribution, radially fed synthesis gas can be made to be uniformly distributed in reactor.
(2) by controlling in reactor coolant pressure in heat exchanger tube, make in heat exchanger tube that temperature is identical everywhere, such that it is able to
Temperature is in Isothermal Condition at each point in control reactor, it is ensured that reactor each point isothermal reaction, side reaction is few；This reactor is fitted
Heat release or the heat absorption field of the small gas gas catalytic reaction of high, pressure difference are required for reaction temperature control, high temperature, height is particularly adapted to
Heat release, the small temperature difference, the extreme gas solid/liquid/gas reactions occasion of small pressure difference；It is highly suitable for gas hydrogenation, gas oxidation reaction, gas
Promote in the fields such as oxonation, gas nitrilation.
(3) reactor pressure difference is small, and when big cycle volume is circulated, recycle compressor power is low.
(4) the C-shaped bending of bottom pipeline section of the outer fin heat exchange pipe of interior falling liquid film, be so on the one hand easy to the disposing of catalyst with
Change, make the discharging of catalyst more thorough；Another aspect heat exchanger tube and taper tube sheet (lower perforated plate) are connected with C-shaped, can be reduced and be changed
Heat pipe deformation becomes to the pulling force of tube sheet, the big temperature that can adapt under temperature different condition, heat exchanger long service life.
(5) using the outer fin heat exchange pipe of interior falling liquid film, heat exchange efficiency is high；It is reactor efficient energy-saving, safe and reliable.
Brief description of the drawings
The following drawings is only intended to, in schematic illustration and explanation is done to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the partial enlarged drawing at A in Fig. 1；
Fig. 3 is the structural representation of grid；
Fig. 4 is the structural representation of the outer fin heat exchange pipe of interior falling liquid film；
Fig. 5 is the partial structural diagram of the embodiment of the present invention；
Fig. 6 is the cross section structure schematic diagram of falling liquid film head；
Fig. 7 is again the overlooking the structure diagram of film forming device；
Fig. 8 is the overlooking the structure diagram of liquid separatnig plate；
Fig. 9 is the deployed configuration schematic diagram of liquid separatnig plate.
In figure：10- reactor shells；11- reaction gas inlets；12- channel of gas collection；13- discharges；14- reaction gases are exported；
15- coolant inlet pipes；16- cooling liquid inlets；17- cooling liquid outlets；18- coolants boil-off gas are exported；20- levels it is cellular enter
Gas distributor；21- distributing barrels；22- grids；The outer fin heat exchange pipe of falling liquid film in 30-；301- bodys；302- radiating fins；31-
Floating tubesheet；32- floating heads；33- taper tube sheets；34- floss holes；35- manholes；40- catalysts；41- inertia catalyst；
50- catalyst backstops；60- liquid separatnig plates；61- points of fluid apertures；62- falling liquid film heads；621- spiral internal tangents enter liquidus；63- film forming devices again.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is expanded on further.In the following detailed description, only by explanation
Mode describes some one exemplary embodiments of the invention.Undoubtedly, one of ordinary skill in the art will recognize,
In the case of without departing from the spirit and scope of the present invention, described embodiment can be repaiied with a variety of modes
Just.Therefore, accompanying drawing and description are inherently illustrative, are not intended to limit the scope of the claims.
As shown in Figures 1 to 9, efficient isothermal radial reactor, including reactor shell 10, the reactor shell 10
Sidepiece is provided with some reaction gas inlets 11 being disposed radially；
It is coaxially arranged with and the cellular air inlet of the level that the reaction gas inlet 11 is connected in the reactor shell 10
Distributor 20, the inner side of the cellular air inlet distributor 20 of level is provided with the outer fin heat exchange pipe 30 of interior falling liquid film, the interior drop
Catalyst filling bed between the outer fin heat exchange pipe 30 of film, its middle and upper part is catalysts (catalyst) 40, and bottom is touched for inertia
Matchmaker 41, and the interior falling liquid film outer fin heat exchange pipe 30 is provided centrally with channel of gas collection 12, and the week side of boss of the channel of gas collection 12 is provided with
Catalyst backstop 50, the catalyst backstop 50 preferably uses regular hexagon grid web frame, diameter of bore 1mm, Kong Jian
0.2mm, air inlet uniformity and pressure difference is small；The channel of gas collection 12 is connected with discharge 13, and the bottom of the discharge 13 extend out to
The outside of the reactor shell 10 and formed reaction gas outlet 14；
The top of the outer fin heat exchange pipe 30 of the interior falling liquid film is provided with floating tubesheet 31, and the top of the floating tubesheet 31 sets
Floating head 32 is equipped with, uses floating head type structure to meet the deformation of reactor heat exchanger tube in high temperature environments；The floating tubesheet
31 are provided with the manhole 35 for facilitating access for the channel of gas collection 12, and people can enter channel of gas collection, catalyst is filled out in reactor
Fill conveniently；The top of the reactor shell 10 is provided with coolant inlet pipe 15, and the coolant inlet pipe 15 stretches to described floating
Cooling liquid inlet 16 is formed in skull 32；The week side of boss on the floating tubesheet 31 positioned at the coolant inlet pipe 15 is provided with point
Liquid plate 60, is distributed with point fluid apertures 61 on the liquid separatnig plate 60；The mouth of pipe correspondence of the outer fin heat exchange pipe 30 of the interior falling liquid film is provided with
Falling liquid film first 62；The bottom of the reactor shell 10 is provided with cooling liquid outlet 17 and coolant boil-off gas outlet 18.
Wherein, the C-shaped bending of bottom pipeline section of the outer fin heat exchange pipe 30 of the interior falling liquid film, it is 135 ° that C-shaped is curved, so described
The bottom of the outer fin heat exchange pipe 30 of interior falling liquid film constitutes pyramidal structure, and its bottom accordingly connects support by taper tube sheet 33, so
On the one hand it is easy to catalyst from the disposing of floss hole 34 and replacing, makes the discharging of catalyst more thorough；Another aspect heat exchanger tube is with
Tube sheet (taper tube sheet) is connected with C-shaped, can reduce pulling force of the heat exchanger tube deformation to tube sheet.
With reference to Fig. 2, the cellular air inlet distributor 20 of level includes that layering is set in distributing barrel 21, the distributing barrel 21
There is grid 22, synthesis gas is uniform through the distributing barrel of air inlet distributor and the level honeycomb structure of grid using radially fed
Enter reactor after distribution, radially fed synthesis gas is uniformly distributed in reactor.
With reference to Fig. 4, the outer fin heat exchange pipe 30 of the interior falling liquid film includes body 301, and the inner side of the body 301 passes through pull bar
Film forming device 63 again are disposed with along tube length direction, radiating fin 302 are provided with the periphery wall of the body 301, using interior
The outer fin heat exchange pipe of falling liquid film, enhances heat transfer effect, and outer fin structure increases connecing for reacting gas or catalyst and heat exchanger tube
Contacting surface is accumulated.There is the falling liquid film first 62 spiral internal tangent to enter liquidus 621, and beneficial to liquid, film forming is uniform in heat exchanger tube.
With reference to Fig. 9, point fluid apertures 61 of the liquid separatnig plate 60 preferably divides upper and lower two-layer, and point fluid apertures 61 described in upper strata is trapezoidal knot
Structure, can automatically adjust liquid inlet volume.
The operation principle of this reactor is as follows：
Synthesis gas uses radial air inlet, uniform through the distributing barrel 21 of air inlet distributor and the level honeycomb structure of grid 22
After distribution enter reactor, ecto-entad radial through beds, while reaction be embedded in beds
The outer high efficient heat exchanging of fin heat exchange pipe 30 of falling liquid film, gas enters channel of gas collection 12, discharge 13 by catalyst backstop 50 after reaction
It is collected, and is discharged from reactor bottom；
Coolant autoreactor top cooling liquid inlet 16 enters reactor, in falling liquid film first 62 and the effect of film forming device 63 again
Under uniform liquid film is formed in heat exchanger tube, and the reaction heat of reaction gas is taken away in the form of heat of evaporation, by controlling reactor
Coolant pressure in interior heat exchanger tube, makes in pipe that temperature is identical everywhere, such that it is able to control in reactor temperature at each point to be in etc.
Temperature state, it is ensured that reactor each point isothermal reaction, side reaction is few；Collect laggard promoting the circulation of qi liquid through bottom by the coolant after heat exchange
Separate, boil-off gas go out reactor from bottom coohng liquid boil-off gas outlet 18, liquid coolant goes out anti-from bottom coohng liquid outlet 17
Answer device.
Schematical specific embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any
Those skilled in the art, done equivalent variations and modification on the premise of design of the invention and principle is not departed from,
The scope of protection of the invention all should be belonged to.
Claims (8)
1. efficient isothermal radial reactor, including reactor shell (10), the reactor shell (10) if sidepiece be provided with
The dry reaction gas inlet (11) being disposed radially；It is characterized in that：
The cellular air inlet of level being connected with the reaction gas inlet (11) is coaxially arranged with the reactor shell (10)
Distributor (20), is provided with the outer fin heat exchange pipe (30) of interior falling liquid film, institute on the inside of the cellular air inlet distributor of level (20)
Catalyst filling bed between the outer fin heat exchange pipe (30) of interior falling liquid film is stated, the center of the outer fin heat exchange pipe (30) of the interior falling liquid film sets
Channel of gas collection (12) is equipped with, channel of gas collection (12) the week side of boss is provided with catalyst backstop (50), and the channel of gas collection (12) is even
Discharge (13) is connected to, the bottom of the discharge (13) extend out to the outside of the reactor shell (10) and forms reaction gas
Outlet (14)；
The top of the outer fin heat exchange pipe (30) of the interior falling liquid film is provided with floating tubesheet (31), the top of the floating tubesheet (31)
It is provided with floating head (32)；Coolant inlet pipe (15), the coolant inlet pipe are provided with the top of the reactor shell (10)
(15) stretch in the floating head and form cooling liquid inlet；The coolant inlet pipe is located on the floating tubesheet (31)
(15) the week side of boss is provided with liquid separatnig plate (60), and a point fluid apertures is distributed with the liquid separatnig plate；The outer fin heat exchange pipe of the interior falling liquid film
(30) mouth of pipe correspondence is provided with falling liquid film head (62)；The bottom of the reactor shell (10) be provided with cooling liquid outlet (17) and
Coolant boil-off gas export (18).
2. efficiently isothermal radial reactor as claimed in claim 1, it is characterised in that：The outer fin heat exchange pipe of the interior falling liquid film
(30) the C-shaped bending of bottom pipeline section, the bottom of the outer fin heat exchange pipe of the interior falling liquid film constitutes pyramidal structure and by conical pipe
Plate (33) is supported.
3. efficiently isothermal radial reactor as claimed in claim 1, it is characterised in that：The cellular air inlet distributor of level
(20) including distributing barrel (21), layering is provided with grid (22) in the distributing barrel (21).
4. efficiently isothermal radial reactor as claimed in claim 1, it is characterised in that：The outer fin heat exchange pipe of the interior falling liquid film
(30) including body (301), the disposed inboard of the body (301) has again film forming device (63), the periphery wall of the body (301)
On be provided with radiating fin (302).
5. efficiently isothermal radial reactor as claimed in claim 1, it is characterised in that：The falling liquid film head (62) is with spiral
Tangent line enters liquidus (621).
6. efficiently isothermal radial reactor as claimed in claim 1, it is characterised in that：Point fluid apertures of the liquid separatnig plate (60)
(61) upper and lower two-layer is divided, point fluid apertures described in upper strata is trapezium structure.
7. efficiently isothermal radial reactor as claimed in claim 1, it is characterised in that：The catalyst backstop (50) is using just
Hexagonal wire-grid structure.
8. the efficient isothermal radial reactor as described in any one of claim 1 to 7, it is characterised in that：The floating tubesheet
(31) it is provided with the manhole (35) for facilitating access for the channel of gas collection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710164901.8A CN106861561A (en) | 2017-03-20 | 2017-03-20 | efficient isothermal radial reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710164901.8A CN106861561A (en) | 2017-03-20 | 2017-03-20 | efficient isothermal radial reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106861561A true CN106861561A (en) | 2017-06-20 |
Family
ID=59173216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710164901.8A Pending CN106861561A (en) | 2017-03-20 | 2017-03-20 | efficient isothermal radial reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106861561A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108421505A (en) * | 2018-05-22 | 2018-08-21 | 中石化宁波工程有限公司 | A kind of radial-axial combined reactor suitable for strong exothermal reaction |
| CN108970550A (en) * | 2018-09-25 | 2018-12-11 | 鲁盈 | Methanol derivatives bed gradient orients temperature control reaction unit and its reaction method |
| CN109265315A (en) * | 2018-08-29 | 2019-01-25 | 江苏德邦工程有限公司 | A kind of new acetic acid ethyl ester preparation of ethanol by hydrogenating process |
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| CN202802799U (en) * | 2012-05-11 | 2013-03-20 | 合肥宁垣工程技术有限责任公司 | Film falling liquid distributor |
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2017
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108421505A (en) * | 2018-05-22 | 2018-08-21 | 中石化宁波工程有限公司 | A kind of radial-axial combined reactor suitable for strong exothermal reaction |
| CN108421505B (en) * | 2018-05-22 | 2024-04-12 | 中石化宁波工程有限公司 | Radial-axial combined reactor suitable for strong exothermic reaction |
| CN109265315A (en) * | 2018-08-29 | 2019-01-25 | 江苏德邦工程有限公司 | A kind of new acetic acid ethyl ester preparation of ethanol by hydrogenating process |
| CN109265315B (en) * | 2018-08-29 | 2021-09-07 | 江苏德邦工程有限公司 | Novel process method for preparing ethanol by ethyl acetate hydrogenation |
| CN108970550A (en) * | 2018-09-25 | 2018-12-11 | 鲁盈 | Methanol derivatives bed gradient orients temperature control reaction unit and its reaction method |
| CN108970550B (en) * | 2018-09-25 | 2023-12-01 | 鲁盈 | Gradient directional temperature control reaction device and reaction method for methanol deep processing bed |
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Application publication date: 20170620 |