CN106145052A - A kind of hydrogen peroxide oxidation tail gas recycle Application way - Google Patents
A kind of hydrogen peroxide oxidation tail gas recycle Application way Download PDFInfo
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- CN106145052A CN106145052A CN201610750528.XA CN201610750528A CN106145052A CN 106145052 A CN106145052 A CN 106145052A CN 201610750528 A CN201610750528 A CN 201610750528A CN 106145052 A CN106145052 A CN 106145052A
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- tail gas
- separator
- oxidized tail
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- ice chest
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/01—Hydrogen peroxide
- C01B15/022—Preparation from organic compounds
- C01B15/023—Preparation from organic compounds by the alkyl-anthraquinone process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/14—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours using industrial or other waste gases
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The present invention relates to hydrogen peroxide oxidation tail gas recycle Application way, a, the oxidized tail gas of about 50 DEG C, it is cooled to 25 28 DEG C through ice chest and cooler, after entering 1# and 2# separator separating heavy aromatic hydrocarbons, return again to ice chest and be heated to 30 35 DEG C of entrance swell refrigeration generating set generatings；Being cooled to 05 DEG C after the generating acting of c, oxidized tail gas expanded machine, being discharged into water at low temperature generator and enter water heat exchange with freezing after entering 3# separator, its use, residue oxidized tail gas emptying are separately done in the cryogenic freezing water outlet producing 5 10 DEG C；D, 1#, 2# and 3# separator isolates heavy aromatics liquids recovery to system.The water at low temperature generator of the present invention has reclaimed the cold of expander outlet gas；Ice chest will high-temperature oxydation tail gas cool down, and the low-temperature oxidation exhaust temperature after cooling down again improves, and reclaims heavy aromatics therein, makes full use of again the pressure of oxidized tail gas and interior expansion is freezed and generates electricity, reduce production cost.
Description
Technical field
The invention belongs to anthraquinone Hydrogen Peroxide Production technology field, the side recycling particularly to oxidized tail gas therein
Method and device.
Background technology
The oxidation operation of anthraquinone Hydrogen Peroxide Production is by the working solution after hydrogenation, pumps into bottom oxidizing tower, simultaneously from oxygen
Change tower bottom and be passed through fresh air, and disperseed by disperser, enter the hydrogenation working solution bottom oxidizing tower together with air simultaneously
In the flow direction；Being divided the gas removing to be again oxidized tail gas by the built-in splitter on oxidizing tower top, oxidizing tower pressure on top surface general control exists
0.2 0.25Mpa, oxidizing temperature general control is at 45-50 DEG C, so oxidized tail gas state is exactly 0.2 0.25Mpa, 45-50
℃.The main component of oxidized tail gas has: saturated heavy aromatics steam, nitrogen, steam, oxygen.In existing technique, heavy aromatics steams
Vapour is reclaimed by cryogenic condensation, and temperature is lower, and the rate of recovery is higher.And the heavy aromatics not reclaimed just has entered air, i.e. pollute
Environment, have lost again wherein useful composition, and consumption of raw materials increases.
Content of the invention
The purpose of the present invention is contemplated to solve oxidized tail gas present in existing anthraquinone Hydrogen Peroxide Production technology and returns
Receive and the relatively low defect of utilization rate, a kind of hydrogen peroxide oxidation tail gas recycle Application way of offer and device.
The present invention adopts the following technical scheme that
A kind of hydrogen peroxide oxidation tail gas recycle Application way, comprises the following steps:
The oxidized tail gas released from oxidizing tower in a, anthraquinone Hydrogen Peroxide Production, its pressure 0.2 0.25Mpa, temperature 45-50
DEG C, oxidized tail gas is cooled to 25-28 ° of C through one-level cooler, secondary coolers；
The oxidized tail gas of b, 25-28 ° of C enters 1# and 2# separator, from the oxidized tail gas of isolated 25-28 DEG C of 2# separator,
Return and after one-level cooler opposite side is heated to 30-35 DEG C, enter the generating of swell refrigeration generating set；
Being cooled to 0-5 DEG C of discharge after the generating acting of c, oxidized tail gas expanded machine, subsequently into 3# separator, oxidized tail gas is (about
0-5 DEG C) it is discharged into water at low temperature generator from 3# separator and the freezing of 20 DEG C enters water heat exchange, produce the cryogenic freezing of 5-10 DEG C
Its use is separately done in water outlet, and remaining oxidized tail gas is vented；
The isolated main liquids recovery containing heavy aromatics of d, 1#, 2# and 3# separator recycles to system.
Present invention additionally comprises a kind of device realizing hydrogen peroxide oxidation tail gas recycle Application way, it includes consisting of portion
Point:
A, the oxidized tail gas cooler as the ice chest of one-level cooler and secondary coolers, ice chest colling end entrance passes through pipeline
Connecting oxidizing tower, the outlet of ice chest cooling section connects oxidized tail gas cooler inlet end by pipeline；
B, 1# separator and 2# separator, the entrance and exit of 1# separator connects oxidized tail gas cooler by pipeline respectively and goes out
Mouth end and the entrance of 2# separator, 2# separator outlet is connected to ice chest fire end import by pipeline；
C, the outlet of ice chest fire end are connected to swell refrigeration generating set entrance by pipeline；
D, the outlet of swell refrigeration generating set are connected to 3# separator import by pipeline, and 3# separator outlet is connected by pipeline
To water at low temperature generator import, water at low temperature generator exports connects exhausting pipeline.
In technique scheme, key point is water at low temperature generator and ice chest, and water at low temperature generator has reclaimed decompressor
The cold of exit gas, for it, has saved the energy.Ice chest is the high-temperature oxydation tail gas utilizing oxidizing tower to discharge, as ice chest
Thermal source so that it is self-temperature reduces, is conducive to next step condensation heavy aromatics；Cryogenic oxygen after additionally high-temperature oxydation tail gas will cool down
Change exhaust temperature improve 5-10 DEG C enter back into decompressor, add the interior energy of oxidized tail gas, improve generated energy, i.e. recyclable its
In useful solvent (heavy aromatics), decrease atmosphere pollution, make full use of again the pressure of oxidized tail gas and interior expansion is freezed simultaneously
Generating, reduces production cost.Through measuring and calculating, use this kind of brand-new oxidized tail gas recovery system flow process, it is possible to decrease working solution is former
The unit consumption 0.3 kilogram of material heavy aromatics, electricity unit consumption reduces by 15 degree, also protects environment simultaneously.
Brief description:
Fig. 1 is the system architecture schematic diagram of the present invention.
Detailed description of the invention
One as it is shown in figure 1, the present invention provide a kind of device realizing hydrogen peroxide oxidation tail gas recycle Application way, it
Including consisting of part:
A, the oxidized tail gas cooler as the ice chest of one-level cooler and secondary coolers, ice chest colling end entrance passes through pipeline
Connecting oxidizing tower, the outlet of ice chest cooling section connects oxidized tail gas cooler inlet end by pipeline；
B, 1# separator and 2# separator, the entrance and exit of 1# separator connects oxidized tail gas cooler by pipeline respectively and goes out
Mouth end and the entrance of 2# separator, 2# separator outlet is connected to ice chest fire end import by pipeline；
C, the outlet of ice chest fire end are connected to swell refrigeration generating set entrance by pipeline；
D, the outlet of swell refrigeration generating set are connected to 3# separator import by pipeline, and 3# separator outlet is connected by pipeline
To water at low temperature generator import, water at low temperature generator exports connects exhausting pipeline.
Two as it is shown in figure 1, the present invention uses anthraquinone Hydrogen Peroxide Production technique, the oxidized tail gas released from oxidizing tower, pressure
Power 0.2 0.25Mpa, temperature 45-50 DEG C, after ice chest cooling, enter oxidized tail gas cooler be cooled further to 28 ° of C, cold
But device is to automatically control quantity of circulating water to control temperature after cooling, and then oxidized tail gas enters 1# separator, isolated oxidation
Tail gas enters 2# separator from top, and the oxidized tail gas of isolated 25 DEG C is discharged from top, through ice chest opposite side quilt
It is heated to 30-35 DEG C of laggard swell refrigeration generating set, be cooled to 0-5 DEG C after the generating acting of oxidized tail gas expanded machine and enter 3#
Separator, 0-5 DEG C of oxidized tail gas is discharged into the freezing with about 20 DEG C for the water at low temperature generator and enters water heat exchange from 3# separator top,
Its use is separately done in the cryogenic freezing water outlet producing 5-10 DEG C, and remaining oxidized tail gas is then discharged out.
The isolated liquid (mainly heavy aromatics) of 3 separators is recovered to system recycling.
Described ice chest can use routine heat-exchanger rig, such as tubular heat exchanger, coil exchanger etc., use
Heat transferring medium is oxidized tail gas.Oxidized tail gas cooler and water at low temperature generator are also all the heat exchange dresses that can use routine
Putting, for example tubular heat exchanger, coil exchanger, the heat transferring medium of use is water.
Claims (2)
1. a hydrogen peroxide oxidation tail gas recycle Application way, it is characterised in that comprise the following steps:
The oxidized tail gas released from oxidizing tower in a, anthraquinone Hydrogen Peroxide Production, pressure 0.2 0.25Mpa, temperature 45-50 DEG C,
Oxidized tail gas is cooled to 25-28 ° of C through one-level cooler, secondary coolers；
The oxidized tail gas of b, 25-28 ° of C enters 1# and 2# separator, from the oxidized tail gas of isolated 25-28 DEG C of 2# separator,
Return and after one-level cooler opposite side is heated to 30-35 DEG C, enter the generating of swell refrigeration generating set；
C, oxidized tail gas expanded machine generating acting after be cooled to 0-5 DEG C of discharge, subsequently into 3# separator, this oxidized tail gas from
3# separator is discharged into water at low temperature generator and the freezing of 20 DEG C enters water heat exchange, and the cryogenic freezing water outlet producing 5-10 DEG C is separately done
Its use, remaining oxidized tail gas is vented；
The isolated main liquids recovery containing heavy aromatics of d, 1#, 2# and 3# separator recycles to system.
2. the device of the hydrogen peroxide oxidation tail gas recycle Application way realizing claim 1, it is characterised in that include following
Part:
A, the oxidized tail gas cooler as the ice chest of one-level cooler and secondary coolers, ice chest colling end entrance passes through pipeline
Connecting oxidizing tower, the outlet of ice chest cooling section connects oxidized tail gas cooler inlet end by pipeline；
B, 1# separator and 2# separator, the entrance and exit of 1# separator connects oxidized tail gas cooler by pipeline respectively and goes out
Mouth end and the entrance of 2# separator, 2# separator outlet is connected to ice chest fire end import by pipeline；
C, the outlet of ice chest fire end are connected to swell refrigeration generating set entrance by pipeline；
D, the outlet of swell refrigeration generating set are connected to 3# separator import by pipeline, and 3# separator outlet is connected by pipeline
To water at low temperature generator import, water at low temperature generator exports connects exhausting pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610750528.XA CN106145052B (en) | 2016-08-30 | 2016-08-30 | A kind of hydrogen peroxide oxidation tail gas recycle Application way |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610750528.XA CN106145052B (en) | 2016-08-30 | 2016-08-30 | A kind of hydrogen peroxide oxidation tail gas recycle Application way |
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| Publication Number | Publication Date |
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| CN106145052A true CN106145052A (en) | 2016-11-23 |
| CN106145052B CN106145052B (en) | 2018-06-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855303A (en) * | 2021-02-25 | 2021-05-28 | 浙江宸轩透平机制造有限公司 | Hydrogen peroxide tail gas purification and aromatic hydrocarbon recovery and expansion power generation method |
Citations (5)
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|---|---|---|---|---|
| CN101890271A (en) * | 2010-07-21 | 2010-11-24 | 东营华泰纸业化工有限公司 | Method for improving gas recovery rate of aromatic hydrocarbon in production of hydrogen peroxide |
| CN102008862A (en) * | 2010-09-20 | 2011-04-13 | 上海安赐机械设备有限公司 | Recovery unit and recovery method for aromatic hydrocarbon in tail gas in hydrogen peroxide production process |
| CN103372357A (en) * | 2012-04-23 | 2013-10-30 | 怀化市双阳林化有限公司 | Method and device for processing oxidized tail gas of anthraquinone process-based hydrogen peroxide production |
| CN105439100A (en) * | 2015-12-23 | 2016-03-30 | 安徽金禾实业股份有限公司 | Exhaust gas discharging apparatus for reducing oxidation-fluid storage tanks |
| CN206156754U (en) * | 2016-08-30 | 2017-05-10 | 安徽金禾实业股份有限公司 | Hydrogen peroxide solution oxidized -tail -gas recycle device |
-
2016
- 2016-08-30 CN CN201610750528.XA patent/CN106145052B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890271A (en) * | 2010-07-21 | 2010-11-24 | 东营华泰纸业化工有限公司 | Method for improving gas recovery rate of aromatic hydrocarbon in production of hydrogen peroxide |
| CN102008862A (en) * | 2010-09-20 | 2011-04-13 | 上海安赐机械设备有限公司 | Recovery unit and recovery method for aromatic hydrocarbon in tail gas in hydrogen peroxide production process |
| CN103372357A (en) * | 2012-04-23 | 2013-10-30 | 怀化市双阳林化有限公司 | Method and device for processing oxidized tail gas of anthraquinone process-based hydrogen peroxide production |
| CN105439100A (en) * | 2015-12-23 | 2016-03-30 | 安徽金禾实业股份有限公司 | Exhaust gas discharging apparatus for reducing oxidation-fluid storage tanks |
| CN206156754U (en) * | 2016-08-30 | 2017-05-10 | 安徽金禾实业股份有限公司 | Hydrogen peroxide solution oxidized -tail -gas recycle device |
Non-Patent Citations (3)
| Title |
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| 周集义: "过氧化氢生产装置氧化尾气处理研究进展", 《中国无机盐协会过氧化氢分会2013年会论文集》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855303A (en) * | 2021-02-25 | 2021-05-28 | 浙江宸轩透平机制造有限公司 | Hydrogen peroxide tail gas purification and aromatic hydrocarbon recovery and expansion power generation method |
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| CN106145052B (en) | 2018-06-05 |
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