CN206214817U - A kind of rectifier unit for separating heat sensitive material - Google Patents
A kind of rectifier unit for separating heat sensitive material Download PDFInfo
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- CN206214817U CN206214817U CN201621311541.7U CN201621311541U CN206214817U CN 206214817 U CN206214817 U CN 206214817U CN 201621311541 U CN201621311541 U CN 201621311541U CN 206214817 U CN206214817 U CN 206214817U
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- end socket
- vaporizer
- perforated plate
- rectifier unit
- heat sensitive
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Abstract
The utility model discloses a kind of rectifier unit for separating heat sensitive material, belong to feed separation technical field, it includes reboiler and rectifying column, rectifying column connects condenser by tower head, and tower head connects the first fluid reservoir, is characterised by：Upper perforated plate and lower perforated plate are set in the reboiler, and reboiler is divided into setting conical flow guiding part in end socket, heat transfer chamber and vaporizer, end socket by upper perforated plate and lower perforated plate；The many vertical downspouts placed are provided with heat transfer chamber, the upper end connection end socket of downspout, lower end connection vaporizer, the lower end of vaporizer connects the upper end of end socket by circulation line, material-handling pump is installed on circulation line, the circulation line of material-handling pump outlet side is also connected with branch line, and branch line connects the second fluid reservoir；The riser and decline fluid flow tube arranged successively from top to bottom are set between vaporizer and rectifying column.This rectifier unit reduces the thermal decomposition and other side reactions of material, improves the purification quality of material.
Description
Technical field
The utility model belongs to feed separation technical field, and in particular to a kind of rectifier unit of separation heat sensitive material.
Background technology
Heat sensitive material refers to very sensitive to temperature, is susceptible to decompose after being heated, is polymerized, the thing of the reaction such as redox
Material, it is widely present in many field of industrial production such as chemical and medicine industry, petroleum refining, food processing, spices, such as in pharmaceuticals industry
Vitamin and some traditional Chinese medicine ingredients, petrochemical industry in antioxidant in common styrene, food-processing industry, sterol and
Vanillic aldehyde, anisic aldehyde and laurine in aliphatic acid and fragrance industry belong to heat sensitive material.
At present, the technology for separating heat sensitive material mainly has cold conditions separation, molecular distillation, batch fractionating and rectification under vacuum.Its
In, cold conditions is separated includes crystallization, chromatographic isolation and supercritical extract again, and the requirement crystallized to material component is higher, need to there is one kind
It is difficult to meet this condition or several materials are crystallized within the temperature range of being easier to realize, in practical application；Chromatographic isolation is general not
It is adapted to the industrial production of large-scale；Supercritical extract uses CO2As solvent, can carry out at normal temperatures, but its equipment is thrown
Money is very big, very high to process conditions requirement, is difficult to meet the requirement of process conditions in actual production.Molecular distillation distills for single-stage
Process, although material can be avoided to decompose, but separation series is insufficient, and equipment investment is very high, is not suitable for large-scale industry metaplasia
Produce.Although rectification under vacuum can reduce temperature needed for separation, needs keep appropriate liquid level to produce static pressure difference in reboiler,
So that material is raised in the vapourizing temperature of tower reactor, differ and be surely prevented effectively from the decomposition of material.
These undoubtedly increase industrial separation purify heat sensitive material difficulty, therefore, how to select suitable isolation technics,
Exploitation novel process and equipment, to reduce the loss that heat sensitive material causes because there is thermal response to greatest extent, more pass through
Ji just becomes researcher with the task that efficiently completion heat sensitive material is isolated and purified and engineers and technicians face for a long time
A big problem.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of rectifier unit for separating heat sensitive material, can reduce
The heated time of material and it is heated evenly.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of rectifying for separating heat sensitive material of invention
Device, including reboiler and rectifying column, the tower head connection condenser of rectifying column, extraction mouthful first fluid reservoir of connection of rectifying column,
It is characterized in that：Upper perforated plate and lower perforated plate are set in the reboiler, and be divided into for the inner chamber of reboiler by upper perforated plate and lower perforated plate
Conical flow guiding part is set in end socket, heat transfer chamber and the vaporizer arranged successively from top to bottom, end socket；Many are provided with heat transfer chamber to erect
To the downspout placed, the upper end connection end socket of downspout, lower end connection vaporizer, the lower end of vaporizer is connected by circulation line
The upper end of logical end socket, installs material-handling pump on circulation line, the circulation line of material-handling pump outlet side is also connected with branched pipe
Road, branch line connects the second fluid reservoir；
The riser and decline fluid flow tube arranged successively from top to bottom are set between vaporizer and rectifying column.
Preferably, the taper of the conical flow guiding part is 120 degree, and the external diameter of conical flow guiding part is end socket bottom diameter
0.5 times, the top of conical flow guiding part is apart from 0.1 times that the vertical height of the end socket feed tube mouth of pipe is end socket total height.
Preferably, plug-in unit is provided with the downspout, plug-in unit is in tie type.
Preferably, the exhaust outlet connection vavuum pump of the condenser, adds surge tank between vavuum pump and condenser.
Preferably, it is mounted on flowmeter on the circulation line and branch line.
Preferably, the bottom connection discharging tube of the vaporizer, installs the first valve on discharging tube.
Preferably, the top connection bleeder pipe of the end socket, installs the second valve on bleeder pipe.
Compared with prior art, the beneficial effects of the utility model are：
1st, treat the material of rectifying in downspout due to Action of Gravity Field and the impetus of material-handling pump, from the top down soon
Speed flows through, and reduces heated time of the material in downspout；And during decline, heating agent or the film heating in heat transfer chamber
Device is heated to the material in downspout, and space is limited in downspout, and internal pressure is big, will not seethe with excitement, in downspout
Exit due to pressure reduction, seethed with excitement by abrupt release, greatly reduce the thermal decomposition and other side reactions of material, improve
The purification quality of material.
2nd, due to the setting of conducting element, the uniformity of material branch in each downspout is on the one hand increased, it is to avoid existing
Due to not being furnished with the dry combustion method phenomenon of the tube wall of the downspout of material caused by material skewness in technology, so as to avoid part
Material hot-spot and produce chemical reaction；On the other hand operation difficulty is greatly reduced.
3rd, due to the setting of descending liquid pluggable unit in pipe so that during material declines in downspout, the flow direction moment
Change, material can preferably mix, so that material is uniformly heated.
4th, the utility model production capacity amplitude of accommodation is big, it is adaptable to the continuous rectification operation of different disposal amount and interval essence
Operation is evaporated, it is easy to utilize.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of reboiler；
Fig. 3 is A-A sectional views in Fig. 2.
Reference is：1st, rectifying column；2nd, tower head；3rd, condenser；4th, the first fluid reservoir；5th, surge tank；6th, vavuum pump；7、
Reboiler；8th, material-handling pump；9th, the second fluid reservoir；10th, flowmeter；11st, conical flow guiding part；12nd, connection sheet；13rd, upper perforated plate；
14th, downspout；15th, plug-in unit；16th, end socket；17th, heat transfer chamber；18th, lower perforated plate；19th, vaporizer；20th, discharging tube；21st, the first valve
Door；22nd, fluid flow tube is declined；23rd, riser；24th, circulation line；25th, branch line；26th, blast pipe；27th, the second valve.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Corresponding upper end is defined as top when the utility model is with use state, is correspondingly defined as its lower end
Bottom.
As shown in figure 1, the connection condenser 3 of tower head 2 of rectifying column of the present utility model 1, the exhaust outlet connection of condenser 3 is very
Empty pump 6, adds surge tank 5 between vavuum pump 6 and condenser 3.Extraction mouthful first fluid reservoir 4 of connection of tower head 2, condenser 3
Exhaust outlet connects vavuum pump 6 by surge tank 5, for rectifying provides operating pressure.The bottom of rectifying column 1 is by riser 23 with
Descending liquid flow tube 22 connects the bottom of reboiler 7, declines the lower section that fluid flow tube 22 is located at riser 23.As shown in Figures 2 and 3, then
The upper perforated plate 13 and lower perforated plate 18 that set gradually from top to bottom be set in boiling device 7, and upper perforated plate 13 and lower perforated plate 18 are by reboiler 7
Inner chamber is divided into end socket 16, heat transfer chamber 17 and the vaporizer 19 arranged successively from top to bottom.The top connection blast pipe of end socket 16
26, to be installed on blast pipe 26 and conical flow guiding part 11 is set in second valve 27, end socket 16, conical flow guiding part 11 passes through connection sheet 12
On upper perforated plate 13.The taper of conical flow guiding part 11 is 120 degree, and the external diameter of conical flow guiding part 11 is the bottom diameter of end socket 16
0.5 times, the top of conical flow guiding part 11 is the 0.1 of the total height of end socket 16 apart from the vertical height of the feed tube mouth of pipe of end socket 16
Times.The many vertical downspouts 14 placed are provided with heat transfer chamber 17, plug-in unit 15 is provided with downspout 14, plug-in unit 15 is in tie type.
Upper end connection end socket 16, the lower end connection vaporizer 19 of downspout 14, the lower end of vaporizer 19 connects envelope by circulation line 24
First 16 upper end, installs material-handling pump 8 on circulation line 24, the circulation line 24 of the outlet side of material-handling pump 8 is also connected with point
Bye-pass 25, branch line 25 connects the second fluid reservoir 9.
In order to measure the flow in circulation line 24 and branch line 25, pacify on circulation line 24 and branch line 25
Equipped with flowmeter 10.And discharging tube 20 is connected in the bottom of vaporizer 19, the first valve 21 is installed, in rectifying behaviour on discharging tube 20
After the completion of work, it is easy to the emptying of material.
The course of work of the present utility model is as follows：
（1）The second valve 27 is opened, makes blast pipe 26 in the conduction state, material to be separated is defeated from the top of end socket 16
Enter reboiler 7, when thering is material to overflow in blast pipe 26, can determine that to be the emptying of the air in end socket 16, now close
Two valves 27, so as to ensure that material is full of whole end socket 16.
（2）Into end socket 16 material after the cloth of conducting element 11 even into downspout 14, formed in downspout 14
The uniform liquid flow for flowing downward, while during material declines in downspout 14, the flow direction of material is changed through plug-in unit 15, from
And make its mixing more uniform.Reached in vaporizer 19 after being heated in heat transfer chamber 17, limited by the space of downspout 14 and pressure
System, material will not seethe with excitement in downspout 14, in the vaporizer 19 in the exit of downspout 14, due to the abrupt release in space,
Abrupt pressure reduction so that partial material instant vaporization is into gas；
（3）Step（2）In the material that is vaporized enter rectifying column 1 from riser 23, in rectifying column 1 up gas with
There is gas-liquid and exchange in descending liquid, boiling point component high is liquefied due to heat release, and the component of low boiling point is heated and is vaporized, and improve
The purification quality of material, fully realizes that rectifying is purified, and the gas in rectifying column 1 enters condenser 3 through tower head 2, is condensed into liquid
Flowed back after body, collected in the first fluid reservoir 4 through the extraction mouthful of tower head 2, the liquid of the bottom of towe of rectifying column 1 then flows back to vaporizer 19；
（4）Liquid in vaporizer 19 is transmitted back in end socket 16 through material-handling pump 8, performs step（2）With（3）.If
Reboiler 7 is once fed, low boiling component is produced from the tower head 2 of rectifying column 1, after rectifying terminates, put from discharging tube 20
The high boiling component gone out in vaporizer 19, then feeds rectifying again, then realize intermittent fractionation；If from rectifying column 1
Portion's continuous feed, continuous extraction low boiling component in tower head 2, then continuous extraction high boiling component in branch line 25, realization connects
Continuous formula rectifying.So realize that lower boiling material is collected in the first fluid reservoir 4, high boiling material collection is in the second liquid storage
In tank 9, so as to realize the separation of material.If do not produce high boiler material, branch line 25 can be closed.
（5）In step（1）~（4）In, operating pressure is provided by the vavuum pump 6 being connected on the exhaust outlet of condenser 3, adjust
Save the operating pressure in each part, material-handling pump 8 then accelerate flow velocity of the material in downspout 14 help avoid material by
It is denatured in overheat.
The above, is only preferred embodiment of the present utility model, is not to make other forms to the utility model
Limitation, any those skilled in the art are combined, change or retrofit possibly also with the technology contents of the disclosure above
It is Equivalent embodiments of the present utility model.But it is every without departing from technical solutions of the utility model content, it is new according to this practicality
Any simple modification, equivalent variations and remodeling that the technical spirit of type is made to above example, still fall within the utility model skill
The protection domain of art scheme.
Claims (7)
1. a kind of rectifier unit for separating heat sensitive material, including reboiler and rectifying column, the tower head connection condenser of rectifying column, essence
Evaporate extraction mouthful first fluid reservoir of connection of tower, it is characterised in that：Upper perforated plate and lower perforated plate be set in the reboiler, upper perforated plate and
Be divided into for the inner chamber of reboiler to be set in end socket, heat transfer chamber and the vaporizer arranged successively from top to bottom, end socket by lower perforated plate bores
Shape conducting element；The many vertical downspouts placed, the upper end connection end socket of downspout, lower end connection vaporization are provided with heat transfer chamber
Room, the lower end of vaporizer connects the upper end of end socket by circulation line, and material-handling pump, material-handling pump are installed on circulation line
The circulation line of outlet side is also connected with branch line, and branch line connects the second fluid reservoir；
The riser and decline fluid flow tube arranged successively from top to bottom are set between vaporizer and rectifying column.
2. it is according to claim 1 separate heat sensitive material rectifier unit, it is characterised in that：The cone of the conical flow guiding part
It is 120 degree to spend, and the external diameter of conical flow guiding part is 0.5 times of end socket bottom diameter, and the top of conical flow guiding part is apart from end socket feed liquor
The vertical height of the pipe mouth of pipe is 0.1 times of end socket total height.
3. it is according to claim 1 and 2 separate heat sensitive material rectifier unit, it is characterised in that：Set in the downspout
There is plug-in unit, plug-in unit is in tie type.
4. it is according to claim 3 separate heat sensitive material rectifier unit, it is characterised in that：The exhaust outlet of the condenser
Connection vavuum pump, adds surge tank between vavuum pump and condenser.
5. it is according to claim 4 separate heat sensitive material rectifier unit, it is characterised in that：The circulation line and branch
Flowmeter is mounted on pipeline.
6. it is according to claim 5 separate heat sensitive material rectifier unit, it is characterised in that：The bottom of the vaporizer connects
Logical discharging tube, installs the first valve on discharging tube.
7. it is according to claim 6 separate heat sensitive material rectifier unit, it is characterised in that：The top connection of the end socket
Bleeder pipe, installs the second valve on bleeder pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621311541.7U CN206214817U (en) | 2016-12-02 | 2016-12-02 | A kind of rectifier unit for separating heat sensitive material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621311541.7U CN206214817U (en) | 2016-12-02 | 2016-12-02 | A kind of rectifier unit for separating heat sensitive material |
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| Publication Number | Publication Date |
|---|---|
| CN206214817U true CN206214817U (en) | 2017-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621311541.7U Active CN206214817U (en) | 2016-12-02 | 2016-12-02 | A kind of rectifier unit for separating heat sensitive material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106422390A (en) * | 2016-12-02 | 2017-02-22 | 山东海昆化工技术有限公司 | Heat-sensitive material separating rectification device and rectification method thereof |
-
2016
- 2016-12-02 CN CN201621311541.7U patent/CN206214817U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106422390A (en) * | 2016-12-02 | 2017-02-22 | 山东海昆化工技术有限公司 | Heat-sensitive material separating rectification device and rectification method thereof |
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