CN209292259U - A kind of phenol tar cracking recyclable device - Google Patents

A kind of phenol tar cracking recyclable device Download PDF

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Publication number
CN209292259U
CN209292259U CN201821815911.XU CN201821815911U CN209292259U CN 209292259 U CN209292259 U CN 209292259U CN 201821815911 U CN201821815911 U CN 201821815911U CN 209292259 U CN209292259 U CN 209292259U
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column
pipeline
distillation column
rectifying column
reflux unit
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郑永耀
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Friend Chemical (yangzhou) Co Ltd
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Friend Chemical (yangzhou) Co Ltd
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Abstract

The utility model discloses a kind of phenol tars to crack recyclable device, is related to chemical production technical field.The utility model includes head tank, heat tower reactor, fractionating column, first rectifying column, Second distillation column, third distillation column and the 4th rectifying column, head tank is connected to by pipeline with the feed inlet of heat tower reactor, the discharge port of heat tower reactor is connected to by pipeline with the feed inlet on fractionating column, the purge hole opened up on fractionating column is communicated with water pump by pipeline, and the water inlet of water pump is communicated with water tank by pipeline.The utility model by the device can the phenol tar effectively to the by-product in Process of Hydroquinone Production technique recycle, both the handling of solid waste had been saved, useful component phenol and the isopropylbenzene in phenolic tar can be recycled again, not only there is very high economic benefit, but also avoid and carry out burning disposal pollution environment as solid waste.

Description

A kind of phenol tar cracking recyclable device
Technical field
The utility model belongs to technical field of chemical production equipment, cracks recycling dress more particularly to a kind of phenol tar It sets.
Background technique
Synthesizing phenol generallys use cumene method, in the reaction mixture using cumene method production phenol, acetone, removes Also containing by-products such as dimethyl benzyl alcohol, acetophenone, ɑ-methyl styrene dimer and cumylphenols outside phenol, acetone.From The bottoms obtained after phenol and acetone, as phenolic tar are isolated in mixture.
Currently, many phenol production factories to byproduct phenolic tar without processing, but it is straight as low value-added fuel It picks out and sells, phenolic tar not only results in environmental pollution in burning, but also can waste of resource.
Utility model content
The purpose of this utility model is to provide a kind of phenol tars to crack recyclable device, passes through the recycling of Pyrogentisinic Acid's tar Utilize, solve in existing phenol tar that phenol products are difficult to recycle, and phenol tar be only capable of as solid waste into The problem of row burning disposal and wasting of resources generated, environmental pollution.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
The utility model is that a kind of phenol tar cracks recyclable device, including head tank, heat tower reactor, fractionating column, first Rectifying column, Second distillation column, third distillation column and the 4th rectifying column, the head tank pass through the feed inlet of pipeline and heat tower reactor The discharge port of connection, the heat tower reactor is connected to by pipeline with the feed inlet on fractionating column, and what is opened up on the fractionating column blows Cleaning bottom of hole is communicated with water pump by pipeline, and the water inlet of the water pump is communicated with water tank, the discharge port of the fractionating column by pipeline Be communicated with first rectifying column by pipeline, at the top of the first rectifying column by the first condensation reflux unit respectively with the first rectifying Tower is connected to Second distillation column, and the first rectifying column bottom is provided with reboiler, passes through second at the top of the Second distillation column Condensation reflux unit is connected to third distillation column, and the Second distillation column bottom is connected to by pipeline with the 4th rectifying column, described It is provided with third condensation reflux unit at the top of third distillation column, the 4th condensing reflux dress is provided at the top of the 4th rectifying column It sets.
Further, first condensation reflux unit, the second condensation reflux unit, third condensation reflux unit and the 4th Condensation reflux unit structure is identical, and first condensation reflux unit includes condenser and return tank, the discharging of the condenser End is connected to by pipeline with return tank.
Further, the bottom of the Second distillation column, third distillation column and the 4th rectifying column is equally provided with boils again Device.
Further, the bottom of the third distillation column and the bottom of the 4th rectifying column pass through pipeline and Second distillation column Connection.
Further, the reflux pot bottom in second condensation reflux unit is connected to by pipeline with Second distillation column, Reflux pot bottom in third condensation reflux unit is connected to by pipeline with third distillation column, returning in the 4th condensation reflux unit Stream pot bottom is connected to by pipeline with the 4th rectifying column.
Further, kinetic pump is provided on the pipeline between the head tank and heat tower reactor.
The utility model has the following beneficial effects:
1, the utility model passes through the phenol tar that the device can effectively to the by-product in Process of Hydroquinone Production technique It is recycled, has not only saved the handling of solid waste, but also useful component phenol and the isopropyl in phenolic tar can be recycled Benzene not only has very high economic benefit, but also avoids and carry out burning disposal pollution environment as solid waste.
2, the utility model can recycle the ingredient of using in phenolic tar, process structure letter under the action of catalyst is not added It is single, and the purity is high produced, raw material is cheap, and production process is simple, and it is nontoxic, it is energy saving, meet current social green The requirement of production.
3, the utility model saves that vapor is small to blow over journey in fractionating column, directly carries out vapor and blows greatly, reduces high temperature Vapor dosage, has saved the energy.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings Other attached drawings.
Fig. 1 is the structural schematic diagram that the utility model phenol tar cracks recyclable device;
In attached drawing, parts list represented by the reference numerals are as follows:
1- head tank, 2- heat tower reactor, 3- fractionating column, 4- first rectifying column, 5- Second distillation column, 6- third distillation column, The 4th rectifying column of 7-, 8- water pump, 9- water tank, the first condensation reflux unit of 10-, 11- reboiler, 12- second are condensed back dress It sets, 13- third condensation reflux unit, the 4th condensation reflux unit of 14-, 15- kinetic pump.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts All other embodiment obtained, fall within the protection scope of the utility model.
Refering to Figure 1, the utility model is that a kind of phenol tar cracks recyclable device, including head tank 1, heating tower Kettle 2, fractionating column 3, first rectifying column 4, Second distillation column 5, third distillation column 6 and the 4th rectifying column 7, head tank 1 pass through pipeline It being connected to the feed inlet of heat tower reactor 2, the discharge port of heat tower reactor 2 is connected to by pipeline with the feed inlet on fractionating column 3, point It evaporates the purge hole opened up on tower 3 and water pump 8 is communicated with by pipeline, the water inlet of water pump 8 is communicated with water tank 9 by pipeline, fractionation The discharge port of tower 3 is communicated with first rectifying column 4 by pipeline, is divided at the top of first rectifying column 4 by the first condensation reflux unit 10 It is not connected to first rectifying column 4 and Second distillation column 5,4 bottom of first rectifying column is provided with reboiler 11, and Second distillation column 5 pushes up Portion is connected to by the second condensation reflux unit 12 with third distillation column 6, and 5 bottom of Second distillation column passes through pipeline and the 4th rectifying column 7 are connected to, and are provided with third condensation reflux unit 13 at the top of third distillation column 6, are provided with the 4th at the top of the 4th rectifying column 7 and are condensed back to Flow device 14.
Wherein, the first condensation reflux unit 10, the second condensation reflux unit 12, third condensation reflux unit 13 and the 4th 14 structure of condensation reflux unit is identical, and the first condensation reflux unit 10 includes condenser and return tank, and the discharge end of condenser is logical Piping is connected to return tank.
Wherein, the bottom of Second distillation column 5, third distillation column 6 and the 4th rectifying column 7 is equally provided with reboiler 11.
Wherein, the bottom of third distillation column 6 and the bottom of the 4th rectifying column 7 pass through pipeline and are connected to Second distillation column.
Wherein, the reflux pot bottom in the second condensation reflux unit 12 is connected to by pipeline with Second distillation column 5, third Reflux pot bottom in condensation reflux unit 13 is connected to by pipeline with third distillation column 6, in the 4th condensation reflux unit 14 Reflux pot bottom is connected to by pipeline with the 4th rectifying column 7.
Wherein, kinetic pump 15 is provided on the pipeline between head tank 1 and heat tower reactor 2.
One concrete application of the present embodiment are as follows: phenol tar is input in heat tower reactor by kinetic pump and is heated Cracking, after by phenol tar lysate import fractionating column in, and by water pump extract water tank in water formed purging water mist penetrating In fractionating column, entering in first rectifying column tower after being fractionated, the tower reactor of first rectifying column is heated using reboiler 11, and first The top of the distillation column product enters return tank, phegma of a part as rectifying column 4 after condenser condenses, and another part is adopted Enter Second distillation column 5 after out;The tower bottoms of first rectifying column 4 returns to decomposition tower 3.
The tower reactor of Second distillation column 5 is heated using reboiler 11, and the overhead product of Second distillation column 5 passes through condenser Enter return tank after condensation, phegma of a part as Second distillation column 5, another part is as low-boiling-point substance isopropylbenzene and ɑ-first Enter third distillation column 6 after the extraction of base benzene;The tower bottoms of Second distillation column 5 enters the 4th rectifying column 7.
The tower reactor of 4th rectifying column 7 is heated using reboiler 11, and the overhead product of the 4th rectifying column 7 passes through condenser Enter return tank, phegma of a part as the 4th rectifying column 7 after condensation, another part is produced as phenol product;4th The tower bottoms of rectifying column 7 enters Second distillation column 5.
The tower reactor of third distillation column 6 is heated using reboiler, and the overhead product of third distillation column 6 is cold by condenser Enter return tank, phegma of a part as third distillation column after solidifying, another part is produced as isopropyl benzaldehyde product, third essence The tower bottoms for evaporating tower 6 enters Second distillation column 5.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this Utility model.The utility model is limited only by the claims and their full scope and equivalents.

Claims (6)

1. a kind of phenol tar cracks recyclable device, including head tank (1), heat tower reactor (2), fractionating column (3), first rectifying column (4), Second distillation column (5), third distillation column (6) and the 4th rectifying column (7), it is characterised in that: the head tank (1) passes through pipe Road is connected to the feed inlet of heat tower reactor (2), the discharge port of the heat tower reactor (2) by pipeline and fractionating column (3) into Material mouth is connected to, and the purge hole opened up on the fractionating column (3) is communicated with water pump (8) by pipeline, the water inlet of the water pump (8) It being communicated with water tank (9) by pipeline, the discharge port of the fractionating column (3) is communicated with first rectifying column (4) by pipeline, and described Connected respectively with first rectifying column (4) and Second distillation column (5) at the top of one rectifying column (4) by the first condensation reflux unit (10) Logical, first rectifying column (4) bottom is provided with reboiler (11), is condensed back at the top of the Second distillation column (5) by second Stream device (12) is connected to third distillation column (6), and Second distillation column (5) bottom is connected by pipeline and the 4th rectifying column (7) It is logical, it is provided with third condensation reflux unit (13) at the top of the third distillation column (6), setting at the top of the 4th rectifying column (7) There is the 4th condensation reflux unit (14).
2. a kind of phenol tar according to claim 1 cracks recyclable device, which is characterized in that described first is condensed back Device (10), the second condensation reflux unit (12), third condensation reflux unit (13) and the 4th condensation reflux unit (14) structure Identical, first condensation reflux unit (10) includes condenser and return tank, the discharge end of the condenser by pipeline with Return tank connection.
3. a kind of phenol tar according to claim 1 cracks recyclable device, which is characterized in that the Second distillation column (5), the bottom of third distillation column (6) and the 4th rectifying column (7) is equally provided with reboiler (11).
4. a kind of phenol tar according to claim 1 cracks recyclable device, which is characterized in that the third distillation column (6) bottom of bottom and the 4th rectifying column (7) passes through pipeline and is connected to Second distillation column (5).
5. a kind of phenol tar according to claim 1 cracks recyclable device, which is characterized in that described second is condensed back Reflux pot bottom in device (12) is connected to by pipeline with Second distillation column (5), returning in third condensation reflux unit (13) Stream pot bottom is connected to by pipeline with third distillation column (6), and the reflux pot bottom in the 4th condensation reflux unit (14) passes through pipe Road is connected to the 4th rectifying column (7).
6. a kind of phenol tar according to claim 1 cracks recyclable device, which is characterized in that the head tank (1) and Kinetic pump (15) are provided on pipeline between heat tower reactor (2).
CN201821815911.XU 2018-11-06 2018-11-06 A kind of phenol tar cracking recyclable device Active CN209292259U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821815911.XU CN209292259U (en) 2018-11-06 2018-11-06 A kind of phenol tar cracking recyclable device

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Application Number Priority Date Filing Date Title
CN201821815911.XU CN209292259U (en) 2018-11-06 2018-11-06 A kind of phenol tar cracking recyclable device

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CN209292259U true CN209292259U (en) 2019-08-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113511959A (en) * 2020-04-10 2021-10-19 上海寰球工程有限公司 System for separating phenol and acetophenone from tar

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113511959A (en) * 2020-04-10 2021-10-19 上海寰球工程有限公司 System for separating phenol and acetophenone from tar

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