CN108554132A - The processing method and processing device of oxidized tail gas in anthraquinone Hydrogen Peroxide Production - Google Patents
The processing method and processing device of oxidized tail gas in anthraquinone Hydrogen Peroxide Production Download PDFInfo
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- CN108554132A CN108554132A CN201810038475.8A CN201810038475A CN108554132A CN 108554132 A CN108554132 A CN 108554132A CN 201810038475 A CN201810038475 A CN 201810038475A CN 108554132 A CN108554132 A CN 108554132A
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- Prior art keywords
- separator
- gas
- pipeline
- tail gas
- oxidized tail
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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
- B01D53/26—Drying gases or vapours
-
- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
Abstract
The present invention provides a kind of processing method and processing device of oxidized tail gas in anthraquinone Hydrogen Peroxide Production, by oxidized tail gas in anthraquinone Hydrogen Peroxide Production by cooling down and inputting expansion power generation unit after gas-liquid separation, gas is subjected to gas-liquid separation and heat exchange again after power generation, is then input in carbon fiber unit；Realize that this method needs to use following device, it includes exhaust gas cooler（1）, in exhaust gas cooler（1）One end is equipped with oxidized tail gas input pipe（2）, the other end is by pipeline by the first separator（3）, ice chest（4）, the second separator（5）, expansion power generation unit（6）, third separator（7）And carbon fiber unit（8）It is connected together.It is the configuration of the present invention is simple, easy to use, it is generated electricity using the principle of gas expansion for doing work, while cooling oxidized tail gas, reduces energy consumption, protect environment.
Description
Technical field：
The present invention relates to the tail-gas recycling devices in a kind of Chemical Manufacture, are specifically exactly a kind of anthraquinone Hydrogen Peroxide Production
The processing unit of middle oxidized tail gas.
Background technology：
The industrial process of hydrogen peroxide mainly has electrolysis, anthraquinone, isopropanol method, cathode anode reduction method and hydrogen-oxygen direct
Chemical combination method etc..Anthraquinone is to produce the most important method of hydrogen peroxide both at home and abroad at present.In anthraquinone hydrogen peroxide process, oxidized tail gas
Ingredient mainly have nitrogen, oxygen, aromatic hydrocarbon steam (main component trimethylbenzene), vapor, aromatic hydrocarbon steam therein is hydrogen peroxide
The important solvent of working solution in production.
When oxidized tail gas discharges, certain pressure and temperature is carried, tolerance is again very big, and interior energy is considerable, has
Very high comprehensive utilization value.Recycling only is carried out to the aromatic hydrocarbons in oxidized tail gas in existing equipment, but to aoxidizing tail
The pressure and temperature of gas does not utilize preferably, causes certain waste.
Invention content：
The present invention is exactly to provide a kind of place of oxidized tail gas in anthraquinone Hydrogen Peroxide Production to overcome deficiency in the prior art
Manage device.
The present invention provides following technical scheme：
The processing method and processing device of oxidized tail gas in a kind of anthraquinone Hydrogen Peroxide Production, it is characterised in that：It includes tail gas cooling
Device is communicated with oxidized tail gas input pipe in exhaust gas cooler one end, and the other end is connected to by pipeline with the first separator；
It is equipped with ice chest in the first separator side, the first input port and the second input port and correspondence are equipped on the ice chest
The first delivery outlet and the second delivery outlet of cooperation, the first separator are connected to the first input port on ice chest by pipeline, ice chest
The first delivery outlet be connected to the second separator by pipeline；
Second separator is connected to by pipeline with expansion power generation unit, and the expansion power generation unit passes through pipeline and third
Separator is connected to, and the third separator is connected to by pipeline with carbon fiber unit, on the pipeline close to carbon fiber unit
Equipped with the branch pipe being connected to the second input port on ice chest, second delivery outlet is by being in charge of and third separator gas outlet
One side ducts are connected to.
Based on the above technical solution, there can also be technical solution further below：
The first pipeline with the first delivery outlet and the first input port corresponding matching is equipped in the ice chest, in the ice chest
It is inside additionally provided with the second pipeline with the second delivery outlet and the second input port corresponding matching, first pipeline and the second pipeline are mutual
It is not connected to, and forms heat exchange cooperation.
Grid-connection device, the grid-connection device are connected with by conducting wire in the power output end of the expansion power generation unit
It is connected to power grid by conducting wire.
First separator, the second separator, third separator bottom be equipped with liquid line, and pass through liquid line
Road is correspondingly connected with cooperation with water and oil separator formation.
The processing method of oxidized tail gas in anthraquinone Hydrogen Peroxide Production, it is characterised in that：It includes the following steps：Hydrogen peroxide
The oxidized tail gas generated in production is after exhaust gas cooler cools down, into the progress first time gas-liquid in the first separator point
From；Then gas enters the cold and hot exchange of ice chest progress, enters back into second of gas-liquid separation of carry out in the second separator, is brought about the desired sensation
Body enters the power generation of expansion power generation unit, and the gas after power generation enters back into the carry out third time gas-liquid separation in third separator, institute
It obtains gas and again goes into the cold and hot exchange of ice chest progress, the gas after exchange, which enters in carbon fiber unit, to be adsorbed, and gas-liquid three times
The liquid of resulting separation enters water and oil separator and carries out water-oil separation, and gained water phase is discharged, and the aromatic hydrocarbons in gained oil phase passes through back
It is reused at receipts.
Invention advantage：
The configuration of the present invention is simple, easy to use, cold is strong, and self-loopa drop, equipment operation are full-automatic, without nurse, can continue
Power generation reduces production cost, realizes the comprehensive utilization of the qualified discharge and oxidized tail gas energy of oxidized tail gas, reach further drop
The effect of low energy consumption, and the effect for recycling aromatic hydrocarbons is also more steady lasting, and the operation of whole device will not generate secondary dirt
Dye.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the present invention.
Specific implementation mode：
As shown in Figure 1, in a kind of anthraquinone Hydrogen Peroxide Production oxidized tail gas processing method and processing device, it includes exhaust gas cooler
1, it is communicated with oxidized tail gas input pipe 2 in 1 one end of exhaust gas cooler.It is cold that the oxidized tail gas generated in Hydrogen Peroxide Production enters tail gas
But after device 1, by circulating water cooling therein to 30 DEG C, the first separation is then entered by the pipeline of 1 other end of exhaust gas cooler
Progress first time gas-liquid separation in device 3.
It is equipped with ice chest 4 in 1 side of exhaust gas cooler, the first input port and the second input port are equipped on 4 top of ice chest, cold
4 lower part of case is equipped with the first delivery outlet and the second delivery outlet.It is internally provided in the ice chest 4 and is inputted with the first delivery outlet and first
First pipeline 4a of mouth corresponding matching, is additionally provided with and the second delivery outlet and the second input port corresponding matching in the ice chest 4
The second pipeline 4b, the first pipeline 4a is not connected to mutually with the second pipeline 4b, and forms heat exchange cooperation.
The exhaust outlet of first separator 3 forms connection cooperation by the first input port on pipeline and ice chest 4, makes
Oxidized tail gas Jing Guo first time gas-liquid separation enters the first pipeline 4a in ice chest 4, to carry out heat exchange, then again from
First delivery outlet flows out, and enters in the second separator 5 through pipeline and carries out second of gas-liquid separation.
It is additionally provided with expansion power generation unit 6, the gas outlet of second separator 5 and expansion in 5 side of the second separator
It is connected to by pipeline between the air inlet of generating set 6 so that the oxidized tail gas by second of gas-liquid separation enters expansion hair
Motor group 6 drives power generation.
Grid-connection device 9 is connected with by conducting wire in the power output end of the expansion power generation unit 6, it is described grid-connected to set
Standby 9 are connected to by conducting wire with power grid.
The pipeline of corresponding matching, oxidized tail gas warp are equipped between the gas outlet of expansion power generation unit 6 and third separator 7
Its temperature is reduced to 0-5 DEG C after crossing power generation, is then entered again by pipeline and carries out third time gas-liquid separation in third separator 7.
It is equipped with carbon fiber unit 8,7 gas outlet of third separator and carbon fiber unit 8 in 7 side of third separator
Between by piping connection, oxidized tail gas by third time gas-liquid separation enters in carbon fiber unit 8 by the road to be adsorbed
Parsing.
There are one branch pipe 7a on pipeline between 7 gas outlet of third separator and carbon fiber unit 8, by branch pipe 7a with
The second input port on ice chest 4 forms connection cooperation so that by power generation and three times after gas-liquid separation, its temperature is reduced to 0-5
DEG C oxidized tail gas enter in the second pipeline 4b in ice chest 4, form heat with the oxidized tail gas in the first pipeline 4a in the ice chest 4
Corresponding matching is exchanged, then flows out ice chest 4 from the second delivery outlet, the 7b that is in charge of through the second equipped at outlet port goes out with third separator 7
The pipeline of gas port side is connected to, and the gas temperature into carbon fiber unit 8 is adjusted by the low-temperature oxidation tail gas Jing Guo heat exchange
Degree.
In 7 lower part of the first separator 3, the second separator 5 and third separator, it is equipped with and water and oil separator 10
The pipeline of connection, after adjusting the liquid level in the first separator 3, the second separator 5 and third separator 7 to certain position,
Gas-liquid separation obtains liquid and enters water and oil separator through pipeline from the first separator 3, the second separator 5 and third separator 7
10, the separation of oil phase and water phase is carried out, gained water phase is discharged into geosyncline, and production is returned after the recovered processing of aromatic hydrocarbons in gained oil phase
System circulation uses.
Claims (5)
1. the processing unit of oxidized tail gas in anthraquinone Hydrogen Peroxide Production, it is characterised in that：It includes exhaust gas cooler（1）,
Exhaust gas cooler（1）One end is communicated with oxidized tail gas input pipe（2）, the other end passes through pipeline and the first separator（3）Connection；
In the first separator（3）Side is equipped with ice chest（4）, in the ice chest（4）It is equipped with the first input port and the second input
The first delivery outlet and the second delivery outlet of mouth and corresponding matching, the first separator（3）With ice chest（4）On the first input port it is logical
Piping is connected to, ice chest（4）The first delivery outlet pass through pipeline and the second separator（5）Connection；
Second separator（5）Pass through pipeline and expansion power generation unit（6）Connection, the expansion power generation unit（6）Pass through
Pipeline and third separator（7）Connection, the third separator（7）Pass through pipeline and carbon fiber unit（8）Connection, close
Carbon fiber unit（8）Pipeline be equipped with and ice chest（4）On the connection of the second input port branch pipe, second delivery outlet is logical
It crosses and is in charge of and third separator（7）Gas outlet one side ducts connection.
2. according to the processing unit of oxidized tail gas in the anthraquinone Hydrogen Peroxide Production described in claim 1, it is characterised in that：
The ice chest（4）Interior the first pipeline being equipped with the first delivery outlet and the first input port corresponding matching（4a）, described cold
Case（4）Inside it is additionally provided with the second pipeline with the second delivery outlet and the second input port corresponding matching（4b）, first pipeline
（4a）With the second pipeline（4b）It is not connected to mutually, and forms heat exchange cooperation.
3. according to the processing unit of oxidized tail gas in the anthraquinone Hydrogen Peroxide Production described in claim 1, it is characterised in that：
The expansion power generation unit（6）Power output end grid-connection device is connected with by conducting wire（9）, the grid-connection device（9）
It is connected to power grid by conducting wire.
4. according to the processing unit of oxidized tail gas in the anthraquinone Hydrogen Peroxide Production described in claim 1, it is characterised in that：Institute
The first separator stated（3）, the second separator（5）, third separator（7）Bottom be equipped with liquid line, and pass through liquid line
Road and water and oil separator（10）Formation is correspondingly connected with cooperation.
5. the processing method of oxidized tail gas in anthraquinone Hydrogen Peroxide Production, it is characterised in that it includes the following steps：Dioxygen is aquatic
The oxidized tail gas generated in production is after exhaust gas cooler cools down, into the progress first time gas-liquid separation in the first separator；
Then gas enters the cold and hot exchange of ice chest progress, enters back into second of gas-liquid separation of carry out in the second separator, gained gas
It generates electricity into expansion power generation unit, the gas after power generation enters back into the carry out third time gas-liquid separation in third separator, gained
Gas again goes into ice chest and carries out cold and hot exchange, and the gas after exchange, which enters in carbon fiber unit, to be adsorbed, and gas-liquid point three times
Enter water and oil separator from obtained liquid and carry out water-oil separation, gained water phase is discharged, and the aromatic hydrocarbons in gained oil phase is recovered
Place reuses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810038475.8A CN108554132A (en) | 2018-01-13 | 2018-01-13 | The processing method and processing device of oxidized tail gas in anthraquinone Hydrogen Peroxide Production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810038475.8A CN108554132A (en) | 2018-01-13 | 2018-01-13 | The processing method and processing device of oxidized tail gas in anthraquinone Hydrogen Peroxide Production |
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| Publication Number | Publication Date |
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| CN108554132A true CN108554132A (en) | 2018-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810038475.8A Pending CN108554132A (en) | 2018-01-13 | 2018-01-13 | The processing method and processing device of oxidized tail gas in anthraquinone Hydrogen Peroxide Production |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437690A (en) * | 2020-04-01 | 2020-07-24 | 安徽晋煤中能化工股份有限公司 | Organic waste gas treatment system for producing hydrogen peroxide by anthraquinone process |
| CN117123019A (en) * | 2023-10-26 | 2023-11-28 | 天津渤化化工发展有限公司 | Method for treating hydrogen peroxide oxidation tail gas by anthraquinone process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003301750A8 (en) * | 2002-10-31 | 2004-05-25 | Breckenridge Associates Ltd | Recovery 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 |
| JPWO2014017377A1 (en) * | 2012-07-23 | 2016-07-11 | 啓吾 清水 | Exhaust gas power generation purification system |
| CN205965085U (en) * | 2016-08-22 | 2017-02-22 | 怀化市双阳林化有限公司 | Oxidized -tail -gas recovery unit |
| 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 |
| CN206454447U (en) * | 2016-11-04 | 2017-09-01 | 杭州杭氧膨胀机有限公司 | A kind of processing unit of hydrogen peroxide tail gas |
-
2018
- 2018-01-13 CN CN201810038475.8A patent/CN108554132A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003301750A8 (en) * | 2002-10-31 | 2004-05-25 | Breckenridge Associates Ltd | Recovery 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 |
| JPWO2014017377A1 (en) * | 2012-07-23 | 2016-07-11 | 啓吾 清水 | Exhaust gas power generation purification system |
| CN205965085U (en) * | 2016-08-22 | 2017-02-22 | 怀化市双阳林化有限公司 | Oxidized -tail -gas recovery unit |
| 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 |
| CN206454447U (en) * | 2016-11-04 | 2017-09-01 | 杭州杭氧膨胀机有限公司 | A kind of processing unit of hydrogen peroxide tail gas |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437690A (en) * | 2020-04-01 | 2020-07-24 | 安徽晋煤中能化工股份有限公司 | Organic waste gas treatment system for producing hydrogen peroxide by anthraquinone process |
| CN117123019A (en) * | 2023-10-26 | 2023-11-28 | 天津渤化化工发展有限公司 | Method for treating hydrogen peroxide oxidation tail gas by anthraquinone process |
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Application publication date: 20180921 |
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