CN109939574A - A kind of continuous decarboxylic reaction tower of cyclopentanone - Google Patents
A kind of continuous decarboxylic reaction tower of cyclopentanone Download PDFInfo
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- CN109939574A CN109939574A CN201910308758.4A CN201910308758A CN109939574A CN 109939574 A CN109939574 A CN 109939574A CN 201910308758 A CN201910308758 A CN 201910308758A CN 109939574 A CN109939574 A CN 109939574A
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- cyclopentanone
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- BGTOWKSIORTVQH-UHFFFAOYSA-N cyclopentanone Chemical compound O=C1CCCC1 BGTOWKSIORTVQH-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 90
- 238000004090 dissolution Methods 0.000 claims abstract description 48
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- -1 bottom plate Chemical compound 0.000 claims abstract 2
- 239000007788 liquid Substances 0.000 claims description 52
- 238000001035 drying Methods 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000001816 cooling Methods 0.000 claims description 16
- 241000270295 Serpentes Species 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 239000000446 fuel Substances 0.000 claims description 10
- 230000010412 perfusion Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000006114 decarboxylation reaction Methods 0.000 claims description 7
- 239000008188 pellet Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 29
- 239000007789 gas Substances 0.000 abstract description 26
- 239000011261 inert gas Substances 0.000 abstract description 14
- 239000003054 catalyst Substances 0.000 abstract description 13
- 238000002360 preparation method Methods 0.000 abstract description 9
- 238000010992 reflux Methods 0.000 abstract description 3
- KBIWNQVZKHSHTI-UHFFFAOYSA-N 4-n,4-n-dimethylbenzene-1,4-diamine;oxalic acid Chemical compound OC(=O)C(O)=O.CN(C)C1=CC=C(N)C=C1 KBIWNQVZKHSHTI-UHFFFAOYSA-N 0.000 description 19
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Natural products OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 19
- 239000000243 solution Substances 0.000 description 17
- 230000009471 action Effects 0.000 description 9
- 239000000498 cooling water Substances 0.000 description 8
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 4
- 229910001863 barium hydroxide Inorganic materials 0.000 description 4
- BGTOWKSIORTVQH-HOSYLAQJSA-N cyclopentanone Chemical class O=[13C]1CCCC1 BGTOWKSIORTVQH-HOSYLAQJSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- 238000006424 Flood reaction Methods 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 241000486406 Trachea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- XNLICIUVMPYHGG-UHFFFAOYSA-N pentan-2-one Chemical compound CCCC(C)=O XNLICIUVMPYHGG-UHFFFAOYSA-N 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a kind of continuous decarboxylic reaction towers of cyclopentanone, including bottom plate, dissolution cylinder is equipped on the left of the upper end of bottom plate, it dissolves to be equipped with inside the cylinder bottom of cylinder and dissolves by heating structure, it dissolves bottom end in the cylinder of cylinder and is equipped with the second homogeneous texture, it dissolves and is equipped with the first homogeneous texture in the cylinder of cylinder, the upper center of bottom plate is equipped with circulating pump, the continuous decarboxylic reaction tower of the cyclopentanone, the raw material for preparing cyclopentanone can sufficiently be dissolved, various ways guarantee raw material Quick uniform sufficiently by heat of solution, and it can will be filled with after the inert gas seethed is dried and recycle, it can be by the raw material of dissolution and the continuous decarboxylic reaction of catalyst, unreacted raw material can effectively extract reflux, resource is saved, it avoids wasting, the cyclopentanone gas of preparation can be cooled down efficiently in heat exchange, alleviate the work load of personnel, it ensure that decarboxylic reaction and cyclopentanone Preparation quality, improve the cyclopentanone service efficiency of continuous decarboxylic reaction tower.
Description
Technical field
The present invention relates to cyclopentanone to prepare consersion unit technical field, the continuous decarboxylic reaction of specially a kind of cyclopentanone
Tower.
Background technique
Cyclopentanone is used as the intermediate of medicine, fragrance, synthetic rubber, pesticide, needs to do in the preparation process of cyclopentanone
Decarboxylic reaction, this just needs special consersion unit to be subject to Auxiliary support, but traditional cyclopentanone prepares consersion unit there are all
More problems can not sufficiently dissolve the raw material for preparing cyclopentanone, it is single and ineffective accelerate dissolution of raw material mode, and not
It can be realized the inert gas seethed to recycle, dissolution of raw material is insufficient seriously to restrict subsequent decarboxylic reaction, can not
By the raw material of dissolution and the continuous decarboxylic reaction of catalyst, unreacted raw material can not effectively extract reflux, and the wasting of resources is tight
Weight, the cyclopentanone gas of preparation can not efficiently heat exchange it is cooling, virtually increase the work load of personnel, decarboxylic reaction and
The preparation quality of cyclopentanone is difficult to be protected, and causes cyclopentanone low with the service efficiency of continuous decarboxylic reaction tower, therefore energy
A kind of cyclopentanone for enough solving problems is imperative with the realization of continuous decarboxylic reaction tower.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of cyclopentanone continuous decarboxylic reaction
Tower can sufficiently dissolve the raw material for preparing cyclopentanone, various ways guarantee raw material Quick uniform sufficiently by heat of solution, and energy
It reaches to be filled with after the inert gas seethed is dried and recycle, it can be by the raw material of dissolution and the continuous decarboxylic reaction of catalyst, not
The raw material of reaction can effectively extract reflux, save resource, avoid wasting, and the cyclopentanone gas of preparation being capable of High Efficiency Thermal friendship
Cooling is changed, the work load of personnel is alleviated, ensure that the preparation quality of decarboxylic reaction and cyclopentanone, improves cyclopentanone company
The service efficiency of continuous decarboxylic reaction tower, can effectively solve the problems in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of continuous decarboxylic reaction tower of cyclopentanone, including
The upper end left side of bottom plate, the bottom plate is equipped with dissolution cylinder, dissolves and is equipped with heating for dissolving structure inside the cylinder bottom of cylinder, dissolves the cylinder of cylinder
Interior bottom end is equipped with the second homogeneous texture, dissolves and is equipped with the first homogeneous texture in the cylinder of cylinder, and the upper center of bottom plate is equipped with circulating pump,
The inlet of circulating pump is connected by perfusion tube with the liquid outlet for dissolving cylinder cambered surface bottom end, is dissolved and is equipped at the upper end gas outlet of cylinder
Escape pipe is in series with check valve in the pipe of escape pipe, dissolves and is equipped with feed pipe at the upper end feed inlet of cylinder, string in the pipe of feed pipe
It is associated with valve, the upper end of feed pipe is equipped with feed hopper, dissolves and is equipped with the first thermometer in front of the cambered surface of cylinder, after the first thermometer
Side contact extends to the inside of dissolution cylinder, and the upper center of bottom plate is equipped with reaction tube, is in series with solenoid valve in the pipe of perfusion tube, follows
The liquid outlet of ring pump is connected by inlet tube with the inlet of reaction tube cambered surface bottom end, and continuous decarboxylation knot is equipped in the cylinder of reaction tube
Structure, three equally distributed openings are equipped with gear door along the vertical direction in reaction tube cambered surface front, and the front surface side for keeping off door is equipped with
Door switch is kept off, the edge surface for keeping off door is equipped with sealing strip, sets that there are three be uniformly distributed in front of the cambered surface of reaction tube along the vertical direction
Second temperature meter, the rear side contact of second temperature meter extend to the inside of reaction tube, and the upper end of air pump is set in the second homogeneous texture
There is drying structure, the air inlet of drying box is connected with escape pipe in drying structure, and cooler bin is equipped on the right side of the upper end of bottom plate, cooling
Cooling structure is equipped in the tank wall of case, the air inlet of cooler bin upper end is connected by appendix with the gas outlet of reaction tube upper end,
The discharge outlet of bottom end is equipped with drainage conduit on the right side of cooler bin, and discharge valve, the upper end front side of bottom plate are in series in the pipe of drainage conduit
Equipped with control switch group, the bottom end two sides of bottom plate are equipped with fixed plate, and the bottom end of fixed plate is equipped with fixing screwed hole, control switch group
Input terminal be electrically connected external power supply, circulating pump input terminal electrical connection control switch group output end.
As a preferred technical solution of the present invention, the heating for dissolving structure includes being located at dissolution cylinder bottom inner portion
Oil pocket, the inner bottom of oil pocket are equipped with snake type heating rod, and oil fuel tube, series connection in the pipe of oil fuel tube are equipped at the oil inlet and outlet of oil pocket
There are pipe valve, the output end of the input terminal electrical connection control switch group of snake type heating rod.
As a preferred technical solution of the present invention, first homogeneous texture includes being fixedly connected with dissolution cylinder upper end
Servo motor, the output shaft of servo motor passes through the upper end through-hole of dissolution cylinder and fixed by the upper end of shaft coupling and rotary shaft
Connection, the surface bottom end of rotary shaft are angularly set there are three plectrum, and the surface of plectrum is covered with leak hole, the input terminal electricity of servo motor
Connect the output end of control switch group.
As a preferred technical solution of the present invention, second homogeneous texture includes being located at dissolution cylinder inner bottom
Hosepipe is covered with stomata on the surface of hosepipe, and the upper end for dissolving cylinder is equipped with air pump, is equipped with tracheae, gas at the gas outlet of air pump
The bottom end of pipe is connected through the inner wall for dissolving cylinder and with the air inlet of hosepipe, the input terminal electrical connection control switch group of air pump
Output end.
As a preferred technical solution of the present invention, the continuous decarboxylation structure includes three and is uniformly located at from top to bottom
The cambered surface front openings of orifice plate inside reaction tube, orifice plate and reaction tube are correspondingly arranged, and the bottom end of orifice plate is equipped with heating
Stick, the rear side contact of second temperature meter are located at two adjacent orifice plate gap locations, and the input terminal electrical connection control of heating rod is opened
The output end of pass group.
As a preferred technical solution of the present invention, the drying structure include be fixedly connected with air pump upper surface it is dry
Dry case, two sides are equipped with strainer in the case of drying box, and the gap location of two symmetrical strainers is filled with dried pellet, drying box
Upper end opening side be hinged with case lid, muffler is equipped at the gas outlet of case lid side.
As a preferred technical solution of the present invention, the cooling structure includes the cold water being located in cooler bin wall surface
Chamber is equipped with water injection pipe at the upper end water filling port of cold water cavity, is equipped with drainpipe on front side of cold water cavity at the discharge outlet of bottom end, drainpipe
Water discharging valve is in series in pipe.
As a preferred technical solution of the present invention, the upper end of the reaction tube is equipped with drawing liquid pump, the feed liquor of drawing liquid pump
Mouth is connected by liquid suction pipe with the liquid outlet of reaction tube cambered surface bottom end, and the liquid outlet of drawing liquid pump passes through liquid back pipe and dissolution cylinder upper end
The inlet at end is connected, the output end of the input terminal electrical connection control switch group of drawing liquid pump.
As a preferred technical solution of the present invention, at the nozzle of the muffler be equipped with tee tube, the one of tee tube
A nozzle is connected with the air inlet mouth of pipe of air pump, and gas transmission riffled tube is equipped at another nozzle of tee tube.
Compared with prior art, the beneficial effects of the present invention are:
1, the continuous decarboxylic reaction tower of this cyclopentanone, opening valve, through feed pipe, the injection into dissolution cylinder is suitable by feed hopper
Amount prepares the raw material ethanedioic acid of cyclopentanone, and by oil fuel tube, into oil pocket, injection heating oil, the regulation of control switch group, snake type add
Hot pin operating, by heating oil heating, under the booster action of the first thermometer, by ethanedioic acid dissolution of raw material in dissolution cylinder, with this
Meanwhile gas transmission riffled tube connects external inert gas bottle, air pump operating, transtracheal and hosepipe conveying, is flowed out by stomata,
Ethanedioic acid is seethed to guarantee to be turned over by heat of solution, servo motor operating, output shaft rotation drive rotary shaft and plectrum rotation comprehensively
Dynamic ethanedioic acid is to guarantee to be accelerated dissolution of raw material, to guarantee the subsequent reactions quality of raw material by heat of solution comprehensively.
2, barium hydroxide catalyst is placed on three equally distributed orifice plates by the continuous decarboxylic reaction tower of this cyclopentanone
On, the ethanedioic acid of injection fills reaction tube from top to bottom, until the top liquid level floods the catalyst on upper layer, while heating rod is transported
Turn, according to each corresponding second temperature meter displays temperature as reference, reaches reaction temperature, the cyclopentanone of generation passes through defeated in time
Tracheae transfers out, until reaction terminates, according to the actual situation, drawing liquid pump operating, by not anti-in liquid suction pipe abstraction reaction cylinder
The ethanedioic acid raw material answered re-dissolves for use in dissolution cylinder through liquid back pipe conveying, has saved resource, avoided wasting, needed timing
When more catalyst changeout, turn keeps off door switch, opens gear door, to catalyst change in each orifice plate, guarantees reaction mass.
3, the continuous decarboxylic reaction tower of this cyclopentanone, injects cooling water into cold water cavity by water injection pipe, cooling water can
It is sufficiently exchanged with cyclopentanone air heat in cooler bin, becomes wanted cyclopentanone liquid after cyclopentanone gas cooling, open blow-off valve
Door is collected in time by drainage conduit, and the moisture after exchanging heat is discharged by drainpipe, replaces fresh cooling water in time
Guarantee to be quickly cooled down, to realize prepare rapidly and efficiently cooling to cyclopentanone.
4, the continuous decarboxylic reaction tower of this cyclopentanone, under the action of check valve, inert gas is discharged through escape pipe, through dry
After dried pellet drying in dry case between two symmetrical strainers, dissolution cylinder is injected again by air pump by muffler
It is interior, it is recycled after reaching inert gas drying, guarantees the reasonable recycling of resource.
Detailed description of the invention
Fig. 1 is structure of the invention front schematic view；
Fig. 2 is structure of the invention side schematic view；
Fig. 3 is that structure of the invention dissolves cylinder internal sectional schematic diagram；
Fig. 4 is structure of the invention reaction tube internal sectional schematic diagram；
Fig. 5 is structure of the invention cooling structure internal sectional schematic diagram；
Fig. 6 is structure of the invention drying structure internal sectional schematic diagram.
In figure: 1 bottom plate, 2 dissolution cylinders, 3 dissolve by heating structure, 301 oil pockets, 302 snake type heating rods, 303 oil fuel tubes, 304
Pipe valve, 4 first homogeneous textures, 401 servo motors, 402 rotary shafts, 403 plectrums, 404 leak holes, 5 second homogeneous textures, 501 snakes
Type pipe, 502 stomatas, 503 air pumps, 504 tracheaes, 6 circulating pumps, 7 perfusion tubes, 8 solenoid valves, 9 inlet tubes, 10 reaction tubes, 11 are continuously
Decarboxylation structure, 111 orifice plates, 112 heating rods, 12 gear doors, 13 cooler bins, 14 appendixs, 15 drainage conduits, 16 discharge valves, 17
Drawing liquid pump, 18 liquid suction pipes, 19 liquid back pipes, 20 control switch groups, 21 drying structures, 211 drying boxes, 212 strainers, 213 dryings are small
Ball, 214 case lids, 215 mufflers, 22 feed pipes, 23 valves, 24 feed hoppers, 25 escape pipes, 26 check valves, 27 cooling structures,
271 cold water cavities, 272 water injection pipes, 273 drainpipes, 274 water discharging valves, 28 tee tubes, 29 gas transmission riffled tubes, 30 first temperature
Meter, 31 second temperature meters, 32 fixed plates, 33 fixing screwed holes, 34 gear door switch, 35 sealing strips.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, the present invention provides a kind of technical solution: a kind of cyclopentanone continuous decarboxylic reaction tower, including bottom
Plate 1 provides bottom support, dissolution cylinder 2 is equipped on the left of the upper end of bottom plate 1, provides the abundant dissolution space of raw material, dissolution cylinder 2
It is equipped with inside cylinder bottom and dissolves by heating structure 3, dissolving by heating structure 3 includes the oil pocket 301 for being located at dissolution 2 bottom inner portion of cylinder, oil pocket
301 inner bottom is equipped with snake type heating rod 302, is equipped with oil fuel tube 303, the pipe of oil fuel tube 303 at the oil inlet and outlet of oil pocket 301
It is inside in series with pipe valve 304, injecting by oil fuel tube 303 into oil pocket 301 is suitable for heating oil, and close pipe valve 304, the heating of snake type
Stick 302 operates, and by heating oil heating, under the booster action of the first thermometer 30, will dissolve ethanedioic acid dissolution of raw material in cylinder 2,
It dissolves bottom end in the cylinder of cylinder 2 and is equipped with the second homogeneous texture 5, the second homogeneous texture 5 includes being located at the snake type of dissolution 2 inner bottom of cylinder
Pipe 501, is covered with stomata 502 on the surface of hosepipe 501, and the upper end of dissolution cylinder 2 is equipped with air pump 503, at the gas outlet of air pump 503
Equipped with tracheae 504, the bottom end of tracheae 504 is connected through the inner wall for dissolving cylinder 2 and with the air inlet of hosepipe 501, and air pump 503 is transported
Turn, inert gas transtracheal 504 and hosepipe 501 convey, and are flowed out by stomata 502, seethe ethanedioic acid to guarantee comprehensively by
Heat of solution, under the action of check valve 26, inert gas is discharged through escape pipe 25, two symmetrical filters in drying box 211
After the drying of dried pellet 213 between net 212, is injected in dissolution cylinder 2 by muffler 215 again by air pump 503, reach lazy
Property gas dry after recycle, dissolve cylinder 2 cylinder in be equipped with the first homogeneous texture 4, the first homogeneous texture 4 include and dissolution cylinder
The servo motor 401 that 2 upper ends are fixedly connected, the output shaft of servo motor 401 pass through the upper end through-hole of dissolution cylinder 2 and pass through shaft coupling
Device is fixedly connected with the upper end of rotary shaft 402, and the surface bottom end of rotary shaft 402 is angularly set there are three plectrum 403, plectrum 403
Surface be covered with leak hole 404, servo motor 401 operates, and output shaft rotation drives rotary shaft 402 and plectrum 403 to rotate, and stirs second
Diacid is to guarantee to be accelerated dissolution of raw material, to guarantee the subsequent reactions quality of raw material, the upper end of bottom plate 1 by heat of solution comprehensively
Middle part is equipped with circulating pump 6, and the inlet of circulating pump 6 is connected with the liquid outlet for dissolving 2 cambered surface bottom end of cylinder by perfusion tube 7, is dissolved
After sufficiently, solenoid valve 8 is powered, and perfusion tube 7 is dredged, and circulating pump 6 operates, and ethanedioic acid is delivered to by perfusion tube 7 and inlet tube 9
In reaction tube 10, dissolves and be equipped with escape pipe 25 at the upper end gas outlet of cylinder 2, be in series with check valve 26 in the pipe of escape pipe 25, it is molten
It solves and is equipped with feed pipe 22 at the upper end feed inlet of cylinder 2, be in series with valve 23 in the pipe of feed pipe 22, the upper end of feed pipe 22 is equipped with
Feed hopper 24, dissolves and is equipped with the first thermometer 30 in front of the cambered surface of cylinder 2, and the rear side contact of the first thermometer 30 extends to dissolution cylinder
2 inside, the upper center of bottom plate 1 are equipped with reaction tube 10, and solenoid valve 8 is in series in the pipe of perfusion tube 7, and circulating pump 6 goes out liquid
Mouth is connected by inlet tube 9 with the inlet of 10 cambered surface bottom end of reaction tube, and continuous decarboxylation structure 11 is equipped in the cylinder of reaction tube 10,
Continuous decarboxylation structure 11 includes three orifice plates 111 being uniformly located inside reaction tube 10 from top to bottom, orifice plate 111 with react
The cambered surface front openings of cylinder 10 are correspondingly arranged, and the bottom end of orifice plate 111 is equipped with heating rod 112, and heating rod 112 generates heat, according to every
A corresponding 31 displays temperature of second temperature meter reaches reaction temperature, the cyclopentanone gas of generation passes through gas transmission in time as reference
Pipe 14 is delivered in cooler bin 13, until reaction terminates, the rear side contact of second temperature meter 31 is located at two adjacent orifice plates
111 gap locations, three equally distributed openings are equipped with gear door 12 along the vertical direction in 10 cambered surface of reaction tube front, before keeping off door 12
Surface side is equipped with gear door switch 34, and the edge surface of gear door 12 is equipped with sealing strip 35, and turn keeps off door switch 34 and beats door 12 is kept off
It opens, barium hydroxide catalyst is placed in three equally distributed orifice plates 111, under the action of sealing strip 35, door will be kept off
12 is tight shut-off, sets that there are three be uniformly distributed second temperature meter 31, second temperature in front of the cambered surface of reaction tube 10 along the vertical direction
The rear side contact of meter 31 extends to the inside of reaction tube 10, and the upper end of air pump 503 is equipped with drying structure in the second homogeneous texture 5
21, drying structure 21 includes the drying box 211 being fixedly connected with 503 upper surface of air pump, and two sides are equipped with filter in the case of drying box 211
The gap location of net 212, two symmetrical strainers 212 is filled with dried pellet 213, the upper end opening side of drying box 211
It is hinged with case lid 214, is equipped with muffler 215, under the action of check valve 26, inert gas at the gas outlet of 214 side of case lid
It is discharged through escape pipe 25, after the dried pellet 213 between two in drying box 211 symmetrical strainers 212 is dry, by returning
Tracheae 215 injects in dissolution cylinder 2 again by air pump 503, recycles after reaching inert gas drying, the pipe of muffler 215
Tee tube 28 is equipped at mouthful, a nozzle of tee tube 28 is connected with the air inlet mouth of pipe of air pump 503, another pipe of tee tube 28
Mouthful place is equipped with gas transmission riffled tube 29, and the air inlet of drying box 211 is connected with escape pipe 25 in drying structure 21, bottom plate 1 it is upper
End right side is equipped with cooler bin 13, and cooling structure 27 is equipped in the tank wall of cooler bin 13, and cooling structure 27 includes being located at cooler bin 13
Cold water cavity 271 in wall surface is equipped with water injection pipe 272, the row of 271 front side bottom end of cold water cavity at the upper end water filling port of cold water cavity 271
It is equipped with drainpipe 273 at the mouth of a river, is in series with water discharging valve 274 in the pipe of drainpipe 273, the air inlet of 13 upper end of cooler bin passes through
Appendix 14 is connected with the gas outlet of 10 upper end of reaction tube, and the discharge outlet of 13 right side bottom end of cooler bin is equipped with drainage conduit 15, row
Discharge valve 16 is in series in the pipe of expects pipe 15, the upper end of reaction tube 10 is equipped with drawing liquid pump 17, and the inlet of drawing liquid pump 17 passes through
Liquid suction pipe 18 is connected with the liquid outlet of 10 cambered surface bottom end of reaction tube, and the liquid outlet of drawing liquid pump 17 passes through liquid back pipe 19 and dissolution cylinder 2
The inlet at upper end end is connected, and drawing liquid pump 17 operates, by unreacted ethanedioic acid raw material in 18 abstraction reaction cylinder 10 of liquid suction pipe,
It is re-dissolved for use in dissolution cylinder 2 through the conveying of liquid back pipe 19, has saved resource, avoided wasting, be equipped on front side of the upper end of bottom plate 1
Control switch group 20, adjusts the normal operation of each device, and the bottom end two sides of bottom plate 1 are equipped with fixed plate 32, the bottom end of fixed plate 32
Equipped with fixing screwed hole 33, the fixing screwed hole 33 of 32 bottom end of fixed plate is threadably mounted on installation position by bolt, is controlled
The input terminal of switching group 20 processed is electrically connected external power supply, and circulating pump 6, servo motor 401, air pump 503, adds snake type heating rod 302
The input terminal of hot pin 112 and drawing liquid pump 17 is electrically connected the output end of control switch group 20, and control switch group 20 is equipped with difference
Control corresponding with circulating pump 6, snake type heating rod 302, servo motor 401, air pump 503, heating rod 112 and drawing liquid pump 17 is pressed
Button.
When in use: the fixing screwed hole 33 of 32 bottom end of fixed plate is threadably mounted on installation position by bolt, it will
The connecting tube of external inert gas bottle is threadedly coupled with gas transmission riffled tube 29, is injected by oil fuel tube 303 into oil pocket 301 suitable
Oil is preferably heated, and closes pipe valve 304, turn keeps off door switch 34 and opens door 12 is kept off, and barium hydroxide catalyst is placed on three
It is under the action of sealing strip 35, gear door 12 is tight shut-off in equally distributed orifice plate 111, it opens valve 23 and passes through charging
The bucket 24 appropriate raw material ethanedioic acid for preparing cyclopentanone of injection, the regulation of control switch group 20, snake into dissolution cylinder 2 through feed pipe 22
Type heating rod 302 operates, by heating oil heating, under the booster action of the first thermometer 30, by ethanedioic acid raw material in dissolution cylinder 2
Dissolution, at the same time, air pump 503 operate, and inert gas transtracheal 504 and hosepipe 501 convey, and are flowed out, are turned over by stomata 502
Ethanedioic acid is risen to guarantee that under the action of check valve 26, inert gas is discharged through escape pipe 25, through drying comprehensively by heat of solution
After the drying of dried pellet 213 in case 211 between two symmetrical strainers 212, by muffler 215 again by air pump
It in 503 injection dissolution cylinders 2, is recycled after reaching inert gas drying, servo motor 401 operates, and output shaft rotation drives rotation
Shaft 402 and plectrum 403 rotate, and stir ethanedioic acid to guarantee to be accelerated dissolution of raw material, to guarantee raw material by heat of solution comprehensively
Subsequent reactions quality, after dissolution sufficiently, solenoid valve 8 is powered, and perfusion tube 7 is dredged, and circulating pump 6 operates, by ethanedioic acid by defeated
Liquid pipe 7 and inlet tube 9 are delivered in reaction tube 10, and the ethanedioic acid of injection fills reaction tube 10 from top to bottom, until the top liquid
The catalyst on upper layer is flooded in face, while heating rod 112 generates heat, according to each corresponding 31 displays temperature of second temperature meter as ginseng
It examines, reaches reaction temperature, and then accomplish the continuous decarboxylic reaction of multilayer, the cyclopentanone gas of generation passes through appendix 14 in time and conveys
Into cooler bin 13, until reaction terminates, according to the actual situation, drawing liquid pump 17 is operated, and passes through 18 abstraction reaction cylinder 10 of liquid suction pipe
Interior unreacted ethanedioic acid raw material re-dissolves for use in dissolution cylinder 2 through the conveying of liquid back pipe 19, has saved resource, avoided wave
Take, cooling water injected into cold water cavity 271 by water injection pipe 272, cooling water can sufficiently with cyclopentanone gas in cooler bin 13
Heat exchange becomes wanted cyclopentanone liquid after cyclopentanone gas cooling, opens discharge valve 16 and is collected in time by drainage conduit 15
, the moisture after exchanging heat is discharged by drainpipe 273, replaces fresh cooling water in time and guarantee to be quickly cooled down, thus
Realize that when needing timing more catalyst changeout, turn keeps off door switch 34, opens and keeps off door 12, right to cyclopentanone rapidly and efficiently cooling preparation
Catalyst change in each orifice plate 111 guarantees reaction mass, and after use, each device cleaning restores original sample.
Heating rod 112 of the present invention generates heat, and according to each corresponding 31 displays temperature of second temperature meter as reference, realizes each
Barium hydroxide catalyst and ethanedioic acid raw material accomplish the continuous decarboxylic reaction of multilayer in the case where providing reaction temperature in orifice plate 111, produce
Raw cyclopentanone gas passes through appendix 14 in time and is delivered in cooler bin 13, is injected by water injection pipe 272 into cold water cavity 271
Cooling water, cooling water can be exchanged sufficiently with cyclopentanone air heat in cooler bin 13, become wanted ring after cyclopentanone gas cooling
Pentanone liquid, according to the actual situation, drawing liquid pump 17 operate, former by ethanedioic acid unreacted in 18 abstraction reaction cylinder 10 of liquid suction pipe
Material re-dissolves for use in dissolution cylinder 2 through the conveying of liquid back pipe 19, has saved resource, avoided wasting.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of continuous decarboxylic reaction tower of cyclopentanone, including bottom plate (1), it is characterised in that: on the left of the upper end of the bottom plate (1)
It equipped with dissolution cylinder (2), dissolves and is equipped with heating for dissolving structure (3) inside the cylinder bottom of cylinder (2), dissolve bottom end in the cylinder of cylinder (2) and be equipped with
Second homogeneous texture (5) dissolves in the cylinder of cylinder (2) and is equipped with the first homogeneous texture (4), and the upper center of bottom plate (1) is equipped with circulation
It pumps (6), the inlet of circulating pump (6) is connected by perfusion tube (7) with the liquid outlet for dissolving cylinder (2) cambered surface bottom end, is dissolved cylinder (2)
Upper end gas outlet at be equipped with escape pipe (25), be in series with check valve (26) in the pipe of escape pipe (25), dissolve the upper end of cylinder (2)
Be equipped with feed pipe (22) at feed inlet, be in series with valve (23) in the pipe of feed pipe (22), the upper end of feed pipe (22) be equipped with into
Hopper (24) dissolves and is equipped with the first thermometer (30) in front of the cambered surface of cylinder (2), and the rear side contact of the first thermometer (30) extends to
The inside of cylinder (2) is dissolved, the upper center of bottom plate (1) is equipped with reaction tube (10), is in series with solenoid valve in the pipe of perfusion tube (7)
(8), the liquid outlet of circulating pump (6) is connected by inlet tube (9) with the inlet of reaction tube (10) cambered surface bottom end, reaction tube (10)
Cylinder in be equipped with continuous decarboxylation structure (11), three equally distributed openings are set along the vertical direction in front of reaction tube (10) cambered surface
Have gear door (12), the front surface side of gear door (12) is equipped with gear door switch (34), and the edge surface of gear door (12) is equipped with sealing strip
(35), second temperature meter (31), second temperature meter are uniformly distributed there are three setting along the vertical direction in front of the cambered surface of reaction tube (10)
(31) rear side contact extends to the inside of reaction tube (10), and the upper end of air pump (503) is equipped with drying in the second homogeneous texture (5)
Structure (21), the air inlet of drying box (211) is connected with escape pipe (25) in drying structure (21), on the right side of the upper end of bottom plate (1)
Equipped with cooler bin (13), cooling structure (27) are equipped in the tank wall of cooler bin (13), the air inlet of cooler bin (13) upper end passes through
Appendix (14) is connected with the gas outlet of reaction tube (10) upper end, and the discharge outlet of bottom end is equipped with drainage conduit on the right side of cooler bin (13)
(15), it is in series with discharge valve (16) in the pipe of drainage conduit (15), is equipped with control switch group (20) on front side of the upper end of bottom plate (1),
The bottom end two sides of bottom plate (1) are equipped with fixed plate (32), and the bottom end of fixed plate (32) is equipped with fixing screwed hole (33), control switch group
(20) input terminal is electrically connected external power supply, the output end of input terminal electrical connection control switch group (20) of circulating pump (6).
2. a kind of continuous decarboxylic reaction tower of cyclopentanone according to claim 1, it is characterised in that: the heating for dissolving knot
Structure (3) includes the oil pocket (301) for being located at dissolution cylinder (2) bottom inner portion, and the inner bottom of oil pocket (301) is equipped with snake type heating rod
(302), oil fuel tube (303) are equipped at the oil inlet and outlet of oil pocket (301), are in series with pipe valve (304) in the pipe of oil fuel tube (303),
The output end of input terminal electrical connection control switch group (20) of snake type heating rod (302).
3. a kind of continuous decarboxylic reaction tower of cyclopentanone according to claim 1, it is characterised in that: described first uniformly ties
Structure (4) includes the servo motor (401) being fixedly connected with dissolution cylinder (2) upper end, and the output shaft of servo motor (401) passes through dissolution
The upper end through-hole of cylinder (2) is simultaneously fixedly connected by shaft coupling with the upper end of rotary shaft (402), the surface bottom end of rotary shaft (402)
It angularly sets there are three plectrum (403), the surface of plectrum (403) is covered with leak hole (404), the input terminal electricity of servo motor (401)
Connect the output end of control switch group (20).
4. a kind of continuous decarboxylic reaction tower of cyclopentanone according to claim 1, it is characterised in that: described second uniformly ties
Structure (5) includes the hosepipe (501) for being located at dissolution cylinder (2) inner bottom, is covered with stomata (502) on the surface of hosepipe (501),
The upper end for dissolving cylinder (2) is equipped with air pump (503), is equipped with tracheae (504) at the gas outlet of air pump (503), the bottom end of tracheae (504)
It is connected through the inner wall for dissolving cylinder (2) and with the air inlet of hosepipe (501), the input terminal electrical connection control of air pump (503) is opened
The output end of pass group (20).
5. a kind of continuous decarboxylic reaction tower of cyclopentanone according to claim 1, it is characterised in that: the continuous decarboxylation knot
Structure (11) includes three and is uniformly located at the internal orifice plate (111) of reaction tube (10), orifice plate (111) and reaction tube from top to bottom
(10) cambered surface front openings are correspondingly arranged, and the bottom end of orifice plate (111) is equipped with heating rod (112), second temperature meter (31)
Rear side contact is located at two adjacent orifice plates (111) gap location, and the input terminal of heating rod (112) is electrically connected control switch group
(20) output end.
6. a kind of continuous decarboxylic reaction tower of cyclopentanone according to claim 1, it is characterised in that: the drying structure
It (21) include the drying box (211) being fixedly connected with air pump (503) upper surface, two sides are equipped with strainer in the case of drying box (211)
(212), the gap location of two symmetrical strainers (212) is filled with dried pellet (213), and the upper end of drying box (211) is opened
Mouth side is hinged with case lid (214), is equipped with muffler (215) at the gas outlet of case lid (214) side.
7. a kind of continuous decarboxylic reaction tower of cyclopentanone according to claim 1, it is characterised in that: the cooling structure
(27) include the cold water cavity (271) being located in cooler bin (13) wall surface, be equipped with water injection pipe at the upper end water filling port of cold water cavity (271)
(272), drainpipe (273) are equipped at the discharge outlet of bottom end on front side of cold water cavity (271), the row of being in series in the pipe of drainpipe (273)
Penstock (274).
8. a kind of continuous decarboxylic reaction tower of cyclopentanone according to claim 1, it is characterised in that: the reaction tube (10)
Upper end be equipped with drawing liquid pump (17), the inlet of drawing liquid pump (17) is gone out by liquid suction pipe (18) and reaction tube (10) cambered surface bottom end
Liquid mouth is connected, and the liquid outlet of drawing liquid pump (17) is connected by liquid back pipe (19) with the inlet for dissolving cylinder (2) upper end end, drawing liquid pump
(17) output end of input terminal electrical connection control switch group (20).
9. a kind of continuous decarboxylic reaction tower of cyclopentanone according to claim 6, it is characterised in that: the muffler
(215) tee tube (28) are equipped at nozzle, a nozzle of tee tube (28) is connected with the air inlet mouth of pipe of air pump (503), and three
Gas transmission riffled tube (29) are equipped at another nozzle of siphunculus (28).
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| CN201910308758.4A CN109939574A (en) | 2019-04-17 | 2019-04-17 | A kind of continuous decarboxylic reaction tower of cyclopentanone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111687182A (en) * | 2020-06-22 | 2020-09-22 | 北海市传创环保科技有限公司 | Carbon dioxide zero-emission type system for energy utilization of organic waste |
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