CN110251986A - A kind of crystallizer for carbazole purification - Google Patents
A kind of crystallizer for carbazole purification Download PDFInfo
- Publication number
- CN110251986A CN110251986A CN201910655647.0A CN201910655647A CN110251986A CN 110251986 A CN110251986 A CN 110251986A CN 201910655647 A CN201910655647 A CN 201910655647A CN 110251986 A CN110251986 A CN 110251986A
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- Prior art keywords
- conduction oil
- standpipe
- crystallizer
- oil
- conduction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 238000000746 purification Methods 0.000 title claims abstract description 18
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000002365 multiple layer Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims 44
- 238000012546 transfer Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000007670 refining Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 150000003851 azoles Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
- B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
Abstract
The present invention relates to a kind of crystallizers for carbazole purification, including crystallizer ontology and heat-conducting oil pipes；Heat-conducting oil pipes are made of multilayered thermally-conductive oil coil, conduction oil standpipe one and conduction oil standpipe two, the heat conductive oil inlet of the conduction oil coil pipe of odd-level, conduction oil outlet are connected to from different conduction oil standpipes one respectively, and the heat conductive oil inlet of the conduction oil coil pipe of even level, conduction oil outlet are connected to from different conduction oil standpipes two respectively；The top for being correspondingly connected with conduction oil one/conduction oil of standpipe standpipe two of heat conductive oil inlet sets conduction oil inlet, and the top for being correspondingly connected with conduction oil one/conduction oil of standpipe standpipe two of conduction oil outlet sets conduction oil outflux.The present invention uses the heat-conducting oil pipes of multilayer coiled pipe type, multilayered thermally-conductive oil coil and conduction oil standpipe one, conduction oil standpipe two form shunt circuit, not only heat transfer area greatly increases, and temperature equalization everywhere in crystallizer, be conducive to enhance refining effect, product yield and yield is made to be greatly improved.
Description
Technical field
The present invention relates to a kind of carbazole equipment for purifying more particularly to a kind of crystallizers for carbazole purification.
Background technique
Carbazole is one of highest ingredient of economic value in coal tar, is the important intermediate for synthesizing fine chemicals, can
For producing the fields such as fuel, pigment, pesticide, medicine, photoelectricity new material, special ink and synthetic resin.With fine chemistry industry
Development and organic synthesis technology progress, the demand of high-purity carbazole increasingly increases, and purity is higher, and the market competitiveness is got over
By force, economic benefit is more considerable.
Mainly using the method for crystallization, the equipment for carbazole crystallization mainly crystallizes case for carbazole purification at present, if
It is equipped with multistage, every grade of crystallization case will be equipped with individual hot-oil circulation system and cooling system, and occupation area of equipment is big, cost
Height, it is complicated for operation, it makes troubles to industrialized production.
It discloses application No. is 201510663689.0 Chinese patent " a kind of crystallization apparatus and method ", tubular type therein
Crystallizer includes shell, and enclosure interior is equipped with the tube bank being made of crystallizer, and case top has tube type mold liquid-inlet
There is tube type mold liquid outlet with exhaust outlet, bottom；The shell in tube bank outside is equipped with heat conductive oil inlet and conduction oil goes out
Mouthful, housing bottom is equipped with insulation jacket.Above-mentioned crystallizer using bundled tube heat-conducting oil pipes, along crystallizer height to there is
The even problem of uneven heating, and heat transfer area is small, it usually needs multiple crystallizers are used in series.
Summary of the invention
The present invention provides a kind of crystallizers for carbazole purification, and using the heat-conducting oil pipes of multilayer coiled pipe type, multilayer is led
Hot oil coil pipe and conduction oil standpipe one, conduction oil standpipe two form shunt circuit, and not only heat transfer area greatly increases, but also crystallizes
Temperature equalization everywhere in device is conducive to enhance refining effect, product yield and yield is made to be greatly improved.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
It is a kind of for carbazole purification crystallizer, including crystallizer ontology and be set to the intrinsic heat-conducting oil pipes of crystallizer；
The bottom of crystallizer ontology sets carbazole inlet and outlet；Conduction oil coil pipe that the heat-conducting oil pipes are arranged by multiple-layer horizontal, conduction oil are stood
Pipe one and conduction oil standpipe two form, and conduction oil standpipe one is at least 2, and conduction oil standpipe two is at least 2；Along crystallizer sheet
Body height is connected to from different conduction oil standpipes one respectively to the heat conductive oil inlet of, the conduction oil coil pipe of odd-level, conduction oil outlet,
The heat conductive oil inlet of the conduction oil coil pipe of even level, conduction oil outlet are connected to from different conduction oil standpipes two respectively；It is corresponding to connect
The top for connecing conduction oil one/conduction oil of standpipe standpipe two of heat conductive oil inlet sets conduction oil inlet, is correspondingly connected with conduction oil and goes out
The top of conduction oil one/conduction oil of standpipe standpipe two of mouth sets conduction oil outflux.
The conduction oil standpipe one is 2, and conduction oil standpipe two is 2；Conduction oil standpipe one is opposite along horizontal X axis direction
And the two sides of crystallizer ontology are vertically arranged at, conduction oil standpipe two is opposite along horizontal Y direction and is vertically arranged at crystallizer
The other two sides of ontology；Along crystallizer ontology height to the heat conductive oil inlet of the conduction oil coil pipe of odd-level, conduction oil outlet are distinguished
Be connected to the conduction oil standpipe one of respective side, the heat conductive oil inlet of the conduction oil coil pipe of even level, conduction oil outlet respectively with it is right
The conduction oil standpipe two of side is answered to be connected to.
Set on the outside of the crystallizer ontology it is jacket structured, it is jacket structured it is upper set respectively conduction oil intake and conduction oil row
Outlet.
Radar level gauge interface is set at the top of the crystallizer ontology.
At least three thermometer boss is set at the top of the crystallizer ontology, is installed to the thermometer bottom in thermometer boss
Portion is downwardly into the interval of conduction oil coil pipe, and the intrinsic depth of each thermometer insertion crystallizer is different.
The carbazole inlet and outlet, conduction oil inlet, conduction oil outflux are all provided with conduction oil heat tracing structure.
The conduction oil standpipe one, conduction oil standpipe two diameter be greater than conduction oil coil pipe diameter.
Compared with prior art, the beneficial effects of the present invention are:
1) heat-conducting oil pipes of multilayer coiled pipe type, multilayered thermally-conductive oil coil and conduction oil standpipe one, conduction oil standpipe two are used
Shunt circuit is formed, not only heat transfer area greatly increases, but also temperature equalization everywhere in crystallizer, is conducive to enhancing purification effect
Fruit makes product yield and yield be greatly improved；
2) heat transfer area is greatly increased using the heat-conducting oil pipes of multilayer coiled pipe type, is used in series i.e. without multiple crystallizers
It can reach refining effect, occupation area of equipment is small, and can reduce cost of investment；
3) it is equipped with radar level gauge and multiple thermometers, can accurately detect the liquid level and temperature in crystallizer, it is easy to operate
Stablize, is easy to control, good product quality.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of crystallizer for carbazole purification of the present invention.
Fig. 2 is the arrangement form schematic diagram of odd-level conduction oil coil pipe of the present invention.
Fig. 3 is the arrangement form schematic diagram of even level conduction oil coil pipe of the present invention.
In figure: 1. crystallizer ontology, 21. odd-level conduction oil coil pipe, 22. even level conduction oil coil pipe, 3. carbazole inlet and outlet 4.
8. conduction oil standpipe of conduction oil intake 5. conduction oil outlet, 6. thermometer boss, 7. radar level gauge interface, one 9. conduction oil
Standpipe 2 10. is jacket structured
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing:
As shown in Figure 1, it is of the present invention it is a kind of for carbazole purification crystallizer, including crystallizer ontology 1 and be set to knot
Heat-conducting oil pipes in brilliant device ontology 1；The bottom of crystallizer ontology 1 sets carbazole inlet and outlet 3；The heat-conducting oil pipes are set by multiple-layer horizontal
Conduction oil coil pipe, conduction oil standpipe 1 and the conduction oil standpipe 29 set form, and conduction oil standpipe 1 is at least 2, conduction oil
Standpipe 29 is at least 2；Along 1 height of crystallizer ontology to heat conductive oil inlet, the conduction oil of the conduction oil coil pipe 21 of odd-level go out
Mouth is connected to (as shown in Figure 2) from different conduction oil standpipes 1 respectively, the heat conductive oil inlet of the conduction oil coil pipe 22 of even level,
Conduction oil outlet is connected to (as shown in Figure 3) from different conduction oil standpipes 29 respectively；It is correspondingly connected with the conduction oil of heat conductive oil inlet
The top of one 8/ conduction oil standpipe 29 of standpipe sets conduction oil inlet, is correspondingly connected with the conduction oil standpipe 1 of conduction oil outlet
The top of conduction oil standpipe 29 sets conduction oil outflux.
The conduction oil standpipe 1 is 2, and conduction oil standpipe 29 is 2；Conduction oil standpipe 1 is along horizontal X axis direction
Two sides that are opposite and being vertically arranged at crystallizer ontology 1, conduction oil standpipe 29 is opposite along horizontal Y direction and is vertically arranged at
The other two sides of crystallizer ontology 1；Along crystallizer ontology 1 it is high to, the heat conductive oil inlet of the conduction oil coil pipe 21 of odd-level, it is thermally conductive
Oil export is connected to the conduction oil standpipe 1 of respective side respectively, heat conductive oil inlet, the conduction oil of the conduction oil coil pipe 22 of even level
Outlet is connected to the conduction oil standpipe 29 of respective side respectively.
The outside of the crystallizer ontology 1, which is set, to be set conduction oil intake 4 on jacket structured 10, jacket structured 10 respectively and leads
Hot oil outlet 5.
The top of the crystallizer ontology 1 sets radar level gauge interface 7.
The top of the crystallizer ontology 1 sets at least three thermometer boss 6, the thermometer being installed in thermometer boss 6
Bottom is downwardly into the interval of conduction oil coil pipe, and the depth in each thermometer insertion crystallizer ontology 1 is different.
The carbazole inlet and outlet 3, conduction oil inlet, conduction oil outflux are all provided with conduction oil heat tracing structure.
The conduction oil standpipe 1, conduction oil standpipe 29 diameter be greater than conduction oil coil pipe diameter.
The course of work of a kind of crystallizer for carbazole purification of the present invention are as follows: raw material carbazole is by carbazole inlet and outlet 3
Into in crystallizer ontology 1, the medium in heat-conducting oil pipes is conduction oil, and the cooling temperature by controlling conduction oil can control click
The growth rate of azoles crystal, raw material carbazole is crystallized in the outer wall of heat-conducting oil pipes, then by the heating temperature of control conduction oil, makes click
Azoles crystal melting carries out sweating, and sweat is discharged into hold-up vessel, and smart carbazole is finally passed in and out by the carbazole of 1 bottom of crystallizer ontology
Mouth 3 is discharged into carbazole product slot.Conduction oil is recycled, and realizes that temperature is adjusted by heat exchanger.Entire carbazole crystallization process
In, the liquid level and temperature in crystallizer are by radar level gauge and multiple thermometer monitors.
Following embodiment is implemented under the premise of the technical scheme of the present invention, gives detailed embodiment and tool
The operating process of body, but protection scope of the present invention is not limited to following embodiments.Method therefor is such as without spy in following embodiments
Not mentionleting alone bright is conventional method.
[embodiment]
As shown in Figure 1-Figure 3, in the present embodiment, conduction oil standpipe 1 is 2, and conduction oil standpipe 29 is 2；Conduction oil
Standpipe 1 is opposite along horizontal X axis direction and is vertically arranged at the two sides of crystallizer ontology 1, and conduction oil standpipe 29 is along horizontal Y-axis
Direction is opposite and is vertically arranged at the other two sides of crystallizer ontology 1；Conduction oil coil pipe is in crystallizer ontology 1 along height to uniform
N-layer is set, and 21 both ends of conduction oil coil pipe of odd-level are separately connected the conduction oil standpipe 1 of respective side and form shunt circuit
One, 22 both ends of conduction oil coil pipe of even level are separately connected the conduction oil standpipe 29 of respective side and form shunt circuit two, thermally conductive
Oily standpipe 1, conduction oil standpipe 29 are high to elongated setting along crystallizer ontology 1, and top extends to the upper of crystallizer ontology 1
Side, diameter are determined by carbazole treating capacity.Conduction oil uses tetrahydronaphthalene.
In the present embodiment, 3 thermometers are set in crystallizer ontology 1, measure the temperature of different height in crystallizer respectively,
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. it is a kind of for carbazole purification crystallizer, including crystallizer ontology and be set to the intrinsic heat-conducting oil pipes of crystallizer；Knot
The bottom of brilliant device ontology sets carbazole inlet and outlet；It is characterized in that, the heat-conducting oil pipes be arranged by multiple-layer horizontal conduction oil coil pipe,
Conduction oil standpipe one and conduction oil standpipe two form, and conduction oil standpipe one is at least 2, and conduction oil standpipe two is at least 2；Edge
Crystallizer ontology height is to the heat conductive oil inlet of the conduction oil coil pipe of odd-level, conduction oil outlet are vertical from different conduction oils respectively
Pipe one is connected to, and the heat conductive oil inlet of the conduction oil coil pipe of even level, conduction oil outlet connect from different conduction oil standpipes two respectively
It is logical；The top for being correspondingly connected with conduction oil one/conduction oil of standpipe standpipe two of heat conductive oil inlet sets conduction oil inlet, is correspondingly connected with
The top of conduction oil one/conduction oil of standpipe standpipe two of conduction oil outlet sets conduction oil outflux.
2. a kind of crystallizer for carbazole purification according to claim 1, which is characterized in that the conduction oil standpipe one
It is 2, conduction oil standpipe two is 2；Conduction oil standpipe one is opposite along horizontal X axis direction and is vertically arranged at crystallizer ontology
Two sides, conduction oil standpipe two is opposite along horizontal Y direction and is vertically arranged at the other two sides of crystallizer ontology；Along crystallizer sheet
Body height is to the heat conductive oil inlet of the conduction oil coil pipe of odd-level, conduction oil outlet connect with the conduction oil standpipe one of respective side respectively
Logical, the heat conductive oil inlet of the conduction oil coil pipe of even level, conduction oil outlet are connected to the conduction oil standpipe two of respective side respectively.
3. a kind of crystallizer for carbazole purification according to claim 1, which is characterized in that the crystallizer ontology
Outside set it is jacket structured, it is jacket structured upper to set conduction oil intake and conduction oil outlet respectively.
4. a kind of crystallizer for carbazole purification according to claim 1, which is characterized in that the crystallizer ontology
Top sets radar level gauge interface.
5. a kind of crystallizer for carbazole purification according to claim 1, which is characterized in that the crystallizer ontology
Top sets at least three thermometer boss, and the thermometer bottom being installed in thermometer boss is downwardly between conduction oil coil pipe
In, the intrinsic depth of each thermometer insertion crystallizer is different.
6. a kind of crystallizer for carbazole purification according to claim 1, which is characterized in that the carbazole inlet and outlet,
Conduction oil inlet, conduction oil outflux are all provided with conduction oil heat tracing structure.
7. a kind of crystallizer for carbazole purification according to claim 1, which is characterized in that the conduction oil standpipe
One, the diameter of conduction oil standpipe two is greater than the pipe diameter of conduction oil coil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910655647.0A CN110251986A (en) | 2019-07-19 | 2019-07-19 | A kind of crystallizer for carbazole purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910655647.0A CN110251986A (en) | 2019-07-19 | 2019-07-19 | A kind of crystallizer for carbazole purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110251986A true CN110251986A (en) | 2019-09-20 |
Family
ID=67927236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910655647.0A Pending CN110251986A (en) | 2019-07-19 | 2019-07-19 | A kind of crystallizer for carbazole purification |
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| CN (1) | CN110251986A (en) |
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