CN206762861U - Efficient isothermal radial reactor - Google Patents
Efficient isothermal radial reactor Download PDFInfo
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- CN206762861U CN206762861U CN201720269206.3U CN201720269206U CN206762861U CN 206762861 U CN206762861 U CN 206762861U CN 201720269206 U CN201720269206 U CN 201720269206U CN 206762861 U CN206762861 U CN 206762861U
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- reactor
- liquid film
- heat exchange
- outer fin
- falling liquid
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Abstract
The utility model 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, 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, catalyst filling bed between the outer fin heat exchange pipe of the interior falling liquid film；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, liquid separation hole is distributed with the liquid separatnig plate；The outer fin heat exchange pipe of the interior falling liquid film is correspondingly provided with falling liquid film head.This reactor heat transfer efficiency is high, temperature control is smart, pressure difference control is small, and the high temperature that is particularly suitable for use in, the highly exothermic, temperature difference and pressure difference control require small gas gas exothermic reaction field.
Description
Technical field
The utility model belongs to catalytic reactor technical field, and in particular to a kind of efficient isothermal radial reactor, especially
It is adapted to high temperature, highly exothermic, the small temperature difference, the extreme gas solid/liquid/gas reactions field of small pressure difference.
Background technology
In chemical industry, the strong exothermal reaction of gas gas phase, liquid phase and liquid liquid phase is frequently encountered, as low pressure methanol closes
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.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of heat transfer efficiency height, temperature control
Essence, pressure difference control small efficient isothermal radial reactor, and the high temperature that is particularly suitable for use in, the highly exothermic, temperature difference and pressure difference control require small
Gas gas exothermic reaction.
To realize above-mentioned technical purpose, the utility model 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 of setting；
The cellular air inlet distribution of the level being connected with the reaction gas inlet is coaxially arranged with the reactor enclosure body
Device, the outer fin heat exchange pipe of interior falling liquid film is provided with the inside of the cellular air inlet distributor of level, and the outer fin of the interior falling liquid film changes
Catalyst filling bed between heat pipe, the outer fin heat exchange pipe of the interior falling liquid film are 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 outlet；
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 liquid separation hole is distributed with；The mouth of pipe of the outer fin heat exchange pipe of the interior falling liquid film is correspondingly 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, the outer fin of the interior falling liquid film changes
The bottom of heat pipe forms pyramidal structure and passes through taper tube sheet support.
Preferably, the cellular air inlet distributor of level includes distributing barrel, it is layered in the distributing barrel and is provided with lattice
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, two layers above and below the liquid separation hole of the liquid separatnig plate point, liquid separation hole 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.
Due to there is at least following beneficial effect using above-mentioned technical proposal, the utility model：
(1) synthesis gas uses radial air inlet, and the level honeycomb structure of distributing barrel and grid through air inlet distributor is uniform
Enter after distribution in reactor, 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, so as to
Temperature be in Isothermal Condition at each point in control reactor, guarantee reactor each point isothermal reaction, and side reaction is few；This reactor is fitted
The heat release for requiring gas gas catalytic reaction high, that pressure difference is small or heat absorption field are controlled for reaction temperature, is particularly adapted to high temperature, height
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 circulates, 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 is connected with taper tube sheet (lower perforated plate) with C-shaped, can be reduced and be changed
Heat pipe deformation is to the pulling force of tube sheet, and the big temperature that can adapt under temperature different condition becomes, heat exchanger service life length.
(5) it is high using the outer fin heat exchange pipe of interior falling liquid film, heat exchange efficiency；It is reactor efficient energy-saving, safe and reliable.
Brief description of the drawings
The following drawings is only intended to, in doing the utility model schematic illustration and explanation, not limit model of the present utility model
Enclose.Wherein：
Fig. 1 is the structural representation of the utility model embodiment；
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 utility model embodiment；
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 export；
15- coolant inlet pipes；16- cooling liquid inlets；17- cooling liquid outlets；18- coolants boil-off gas exports；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- liquid separations hole；62- falling liquid film heads；621- spiral internal tangents enter liquidus；63- film forming devices again.
Embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.In the following detailed description, only pass through
Bright mode describes some one exemplary embodiments of the present utility model.Undoubtedly, one of ordinary skill in the art can be with
Recognize, can be with a variety of modes to described in the case of without departing from spirit and scope of the present utility model
Embodiment is modified.Therefore, accompanying drawing and description are inherently illustrative, rather than for limiting the protection of claim
Scope.
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；
The cellular air inlet of level being connected with the reaction gas inlet 11 is coaxially arranged with the reactor shell 10
Distributor 20, the inner side of the cellular air inlet distributor 20 of level are 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 outer fin heat exchange pipe 30 of the interior falling liquid film is provided centrally with channel of gas collection 12, and the week side of boss of channel of gas collection 12 is provided with
Catalyst backstop 50, the catalyst backstop 50 preferably use 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 is 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 is set
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, liquid separation hole 61 is distributed with the liquid separatnig plate 60；The mouth of pipe of the outer fin heat exchange pipe 30 of the interior falling liquid film is correspondingly 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, curved C-shaped is 135 °, so described
The bottom of the outer fin heat exchange pipe 30 of interior falling liquid film forms pyramidal structure, and its bottom is accordingly connected by taper tube sheet 33 and supported, so
On the one hand it is easy to catalyst, with changing, to make the discharging of catalyst more thorough from the disposing of floss hole 34；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 figure 2, the cellular air inlet distributor 20 of level includes distributing barrel 21, is layered and sets in the distributing barrel 21
There is a grid 22, for synthesis gas using radially fed, the level honeycomb structure of distributing barrel and grid through air inlet distributor is uniform
Enter reactor after distribution, radially fed synthesis gas is uniformly distributed in reactor.
With reference to figure 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 figure 9, the liquid separation hole 61 of the liquid separatnig plate 60 is preferably divided two layers up and down, and liquid separation hole 61 described in upper strata is trapezoidal knot
Structure, liquid inlet volume can be automatically adjusted.
The operation principle of this reactor is as follows：
Synthesis gas uses radial air inlet, and the level honeycomb structure of distributing barrel 21 and grid 22 through air inlet distributor is uniform
Enter reactor after distribution, ecto-entad is radial through beds, with being embedded in the interior of beds while reaction
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；
Cooling liquid inlet 16 enters reactor at the top of coolant autoreactor, 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, so as to control in reactor at each point temperature to be in etc.
Temperature state, guarantee reactor each point isothermal reaction, side reaction are few；Coolant after heat exchange collects laggard promoting the circulation of qi liquid through bottom
Separation, boil-off gas go out reactor from bottom coohng liquid boil-off gas outlet 18, and liquid coolant goes out anti-from bottom coohng liquid outlet 17
Answer device.
The schematical embodiment of the utility model is the foregoing is only, is not limited to model of the present utility model
Enclose.Any those skilled in the art, it is made on the premise of design of the present utility model and principle is not departed to be equal
Change and modification, the scope of the utility model protection 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), the outer fin heat exchange pipe (30) of interior falling liquid film, institute are provided with 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 is set
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
Export (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；It is located at the coolant inlet pipe on the floating tubesheet (31)
(15) the week side of boss is provided with liquid separatnig plate (60), and liquid separation hole is distributed with the liquid separatnig plate；The outer fin heat exchange pipe of the interior falling liquid film
(30) the mouth of pipe is correspondingly 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 exports (18).
2. efficient 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 form pyramidal structure and pass through conical pipe
Plate (33) supports.
3. efficient isothermal radial reactor as claimed in claim 1, it is characterised in that：The cellular air inlet distributor of level
(20) include distributing barrel (21), be layered in the distributing barrel (21) and be provided with grid (22).
4. efficient 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) body (301) is included, 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. efficient isothermal radial reactor as claimed in claim 1, it is characterised in that：The falling liquid film head (62) has in spiral
Tangent line enters liquidus (621).
6. efficient isothermal radial reactor as claimed in claim 1, it is characterised in that：The liquid separation hole of the liquid separatnig plate (60)
(61) divide two layers up and down, liquid separation hole described in upper strata is trapezium structure.
7. efficient 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 |
|---|---|---|---|
| CN201720269206.3U CN206762861U (en) | 2017-03-20 | 2017-03-20 | Efficient isothermal radial reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720269206.3U CN206762861U (en) | 2017-03-20 | 2017-03-20 | Efficient isothermal radial reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206762861U true CN206762861U (en) | 2017-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720269206.3U Expired - Fee Related CN206762861U (en) | 2017-03-20 | 2017-03-20 | Efficient isothermal radial reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206762861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861561A (en) * | 2017-03-20 | 2017-06-20 | 江苏德邦工程有限公司 | efficient isothermal radial reactor |
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2017
- 2017-03-20 CN CN201720269206.3U patent/CN206762861U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861561A (en) * | 2017-03-20 | 2017-06-20 | 江苏德邦工程有限公司 | efficient isothermal radial reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20210320 |