CN205965086U - Hydrogen peroxide production line aromatic hydrocarbon recovery unit that drops a hint - Google Patents
Hydrogen peroxide production line aromatic hydrocarbon recovery unit that drops a hint Download PDFInfo
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- CN205965086U CN205965086U CN201620909464.9U CN201620909464U CN205965086U CN 205965086 U CN205965086 U CN 205965086U CN 201620909464 U CN201620909464 U CN 201620909464U CN 205965086 U CN205965086 U CN 205965086U
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- hydrogen peroxide
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- drops
- aromatic hydrocarbon
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Abstract
The utility model provides a hydrogen peroxide production line aromatic hydrocarbon recovery unit that drops a hint, is including the expander that is used for cooling off oxidized -tail -gas, air inlet and hydrogen peroxide production line unloading air supply intercommunication, gas outlet and the air pump of the gas outlet intercommunication of expander, the air inlet with the knockout drum of the gas outlet intercommunication of expander and air pump, the air inlet with the tail gas recovering unit of the gas outlet intercommunication of knockout drum. Dropping a hint and mixing through the oxidized -tail -gas after air pump pressurization back and the expander cooling, get into the knockout drum after the cooling, obtain the separation after the gaseous condensation of most aromatic hydrocarbon in the knockout drum and retrieve, the remainder gets into tail gas recovering unit and further detaches atmospheric dilution behind the aromatic hydrocarbon wherein, and aromatic hydrocarbon in can the effective recycling hydrogen peroxide production process reduces the aromatic hydrocarbon use amount, reduces the pollution of aromatic hydrocarbon to the environment.
Description
Technical field
This utility model is related to the emission reduction device during hydrogen peroxide manufacture, especially relates to a kind of hydrogen peroxide manufacture
Line is dropped a hint aromatic recovery device.
Background technology
The development of hydrogen peroxide manufacture technology, the priority according to the time substantially experienced electrolysis, Raney nickel stirred tank
Anthraquinone three developmental stage of the anthraquinone and palladium catalyst fixed bed hydrogenation technique of hydrogenation process, current palladium catalyst is fixed
Bed the anthraquinone of hydrogenation process is main production method.It is increasingly subject to attention and the market competition of society with energy-saving and emission-reduction
It is growing more intense, how to be effectively reduced the consumption of various raw materials, reducing energy consumption becomes study hotspot, aromatic hydrocarbons is aquatic as dioxygen
A kind of main chemical raw material producing, its consumption occupies sizable proportion, with aromatic hydrocarbons market in Hydrogen Peroxide Production cost
The continuous rising of price, how to be effectively reduced aromatic hydrocarbons consumption is common issue in face of Hydrogen Peroxide Production producer for the pendulum, meanwhile,
Aromatic hydrocarbons, as a kind of stronger poisonous and harmful substances of volatility, reduces the needs that its discharge capacity is also national environmental protection policy.Peroxide
Change in hydrogen production process, oxidized tail gas are the main approach that aromatic hydrocarbons consumes, and traditional method is using low temperature water cooler pair
Tail gas carries out cooling and reclaims aromatic hydrocarbons or using after carbon fiber adsorption and catalytic combustion, and tail gas discharges.
CN103372357A discloses a kind of process for prepairng hydrogen peroxide by anthraquinone oxidized tail gas processing method and its device, oxidation
Tail gas first passes through heat exchanger and carries out heat exchange；Oxidized tail gas after being lowered the temperature enter the first knockout drum and carry out gas-liquid separation；
The non-condensing gas discharged from the first gas-liquid separation tank top, subsequently enters the expansion chamber of turbo-expander, through turbo-expander
Carry out dilatation acting；Enter the second knockout drum after cooling and carry out gas-liquid separation；Arrange from the second gas-liquid separation tank top
The non-condensing gas going out, carries out heat exchange by heat exchanger；The compression chamber entering turbo-expander after being warmed is compressed rising
Pressure；Subsequently enter absorbent charcoal adsorber；Separate with absorbent charcoal adsorber from the first knockout drum, the second knockout drum
Aromatic recovery out recycles.
At present, the aromatic recovery of process for prepairng hydrogen peroxide by anthraquinone oxidized tail gas is paid attention to, and cycle working fluid groove,
Oxidation liquid bath, the equipment such as three post processing hargil beds, caustic settler, alkali separator, drying towers are provided with blow-down pipe, because of aromatic hydrocarbons volatilization
Amount is relatively low, and recovery difficult is big, dropping a hint not to be effectively addressed and outwards discharge containing aromatic hydrocarbons.Increased in production process
The usage amount of aromatic hydrocarbons, also unfriendly to environment.
Utility model content
For the deficiencies in the prior art, technical problem to be solved in the utility model is to provide a kind of energy efficient recovery mistake
Aromatic hydrocarbons in hydrogen oxide production process, the hydrogen peroxide manufacture line reducing aromatic hydrocarbons usage amount is dropped a hint aromatic recovery device.
In order to solve above-mentioned technical problem, this utility model provides a kind of hydrogen peroxide manufacture line to drop a hint aromatic recovery dress
Put, including the decompressor for cooling down oxidized tail gas；Air inlet and hydrogen peroxide manufacture line emptying source of the gas connects, gas outlet and institute
State the air pump of the gas outlet connection of decompressor；The knockout drum that air inlet is connected with the gas outlet of described decompressor and air pump；Air inlet
The tail gas recycle unit that mouth is connected with the gas outlet of described knockout drum.
As further improved technology scheme, hydrogen peroxide manufacture line that this utility model provides is dropped a hint aromatic recovery dress
Put, described tail gas recycle unit is absorbent charcoal adsorber.
As further improved technology scheme, hydrogen peroxide manufacture line that this utility model provides is dropped a hint aromatic recovery dress
Put, described decompressor is turbo-expander.
As further improved technology scheme, hydrogen peroxide manufacture line that this utility model provides is dropped a hint aromatic recovery dress
Put, the admission line of described air pump is additionally provided with emergent evacuation valve.
As further improved technology scheme, hydrogen peroxide manufacture line that this utility model provides is dropped a hint aromatic recovery dress
Put, described hydrogen peroxide manufacture line emptying source of the gas at least includes cycle working fluid groove, oxidation liquid bath, post processing hargil bed, alkali deposited
Fall device, alkali separator or drying tower one of emptying source of the gas.
In the case of not conflicting, aforementioned improved technical scheme can be implemented alone or in combination.
This utility model provide technical scheme, cycle working fluid groove, oxidation liquid bath, post processing hargil bed, caustic settler,
Alkali separator, the blow-down pipe of drying tower are connected with the air inlet of air pump, drop a hint after cooling down with decompressor after being pressurizeed by air pump
Oxidized tail gas mixing, enter knockout drum after cooling, separated and recovered in knockout drum after the condensation of most aromatic hydrocarbons gas,
Remainder enters after tail gas recycle unit reclaims aromatic hydrocarbons therein further and enters air.Mix aromatic hydrocarbons initial content of dropping a hint
About 14g/m, cooling condensation after in knockout drum recyclable more than 90% aromatic hydrocarbons, reduce the of a relatively high tail gas of after-cost
Reclaim the treating capacity of unit.
Brief description
Accompanying drawing is used for providing further understanding to of the present utility model, constitutes the part of the application, of the present utility model
Schematic description and description is used for explaining this utility model, but does not constitute to improper restriction of the present utility model.Attached
In figure：
Fig. 1 is that embodiment hydrogen peroxide manufacture line is dropped a hint the structural representation of aromatic recovery device.
Specific embodiment
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is described in further detail.
Hydrogen peroxide manufacture line as shown in Figure 1 is dropped a hint aromatic recovery device, including for cooling down the swollen of oxidized tail gas
Swollen machine 1；Air inlet and the hydrogen peroxide manufacture line emptying gas that source of the gas connects, gas outlet is connected with the gas outlet of described decompressor 1
Pump 2；The knockout drum 4 that air inlet is connected with the gas outlet of described decompressor 1 and air pump 2；Air inlet is given vent to anger with described knockout drum 4
The tail gas recycle unit 5 of mouth connection.
Alternatively, hydrogen peroxide manufacture line is dropped a hint aromatic recovery device, and described tail gas recycle unit 5 is activated carbon adsorption
Device.
Alternatively, hydrogen peroxide manufacture line is dropped a hint aromatic recovery device, and described decompressor 1 is turbo-expander.
Alternatively, hydrogen peroxide manufacture line is dropped a hint aromatic recovery device, and the admission line of described air pump 2 is additionally provided with promptly
Exhaust-valve 3.
Alternatively, hydrogen peroxide manufacture line is dropped a hint aromatic recovery device, and described hydrogen peroxide manufacture line emptying source of the gas is extremely
Include less among cycle working fluid groove 6, oxidation liquid bath 7, post processing hargil bed 8, caustic settler 9, alkali separator 10 or drying tower
One emptying source of the gas.
Cycle working fluid groove 6, oxidation liquid bath 7, post processing hargil bed 8, caustic settler 9, alkali separator 10, the putting of drying tower
Blank pipe is connected with the air inlet of air pump 2, drops a hint and mixes with the oxidized tail gas after decompressor 1 cooling after air pump 2 pressurizes, fall
Enter knockout drum 4 after temperature, separated and recovered in knockout drum 4 after most aromatic hydrocarbons gas condensation, remainder enters tail
Gas reclaims after unit 5 removes recovery aromatic hydrocarbons therein further and enters air.From cycle working fluid groove 6, oxidation liquid bath 7,
Post processing hargil bed 8, the mixing of caustic settler 9, alkali separator 10 and drying tower are dropped a hint, aromatic hydrocarbons initial arene content about 14g/
M, cooling condensation after in knockout drum recyclable more than 90% aromatic hydrocarbons, reduce the of a relatively high tail gas recycle machine of after-cost
The treating capacity of group.
The foregoing is only preferred embodiment of the present utility model, and limit this utility model never in any form,
For a person skilled in the art, this utility model can have various modifications and variations.All in spirit of the present utility model
Within principle, any modification, equivalent substitution and improvement made etc., should be included within protection domain of the present utility model.
Claims (5)
1. a kind of hydrogen peroxide manufacture line drops a hint aromatic recovery device it is characterised in that including for cooling down oxidized tail gas
Decompressor（1）；Air inlet and hydrogen peroxide manufacture line emptying source of the gas connect, gas outlet and described decompressor（1）Gas outlet even
Logical air pump（2）；Air inlet and described decompressor（1）And air pump（2）Gas outlet connection knockout drum（4）；Air inlet and institute
State knockout drum（4）Gas outlet connection tail gas recycle unit（5）.
2. hydrogen peroxide manufacture line according to claim 1 drops a hint aromatic recovery device it is characterised in that described tail gas
Reclaim unit（5）For absorbent charcoal adsorber.
3. hydrogen peroxide manufacture line according to claim 1 drops a hint aromatic recovery device it is characterised in that described expansion
Machine（1）For turbo-expander.
4. hydrogen peroxide manufacture line according to claim 1 drops a hint aromatic recovery device it is characterised in that described air pump
（2）Admission line be additionally provided with emergent evacuation valve（3）.
5. hydrogen peroxide manufacture line according to claim 1 drops a hint aromatic recovery device it is characterised in that described peroxide
Change hydrogen production line emptying source of the gas and at least include cycle working fluid groove（6）, oxidation liquid bath（7）, post processing hargil bed（8）, alkali deposited fall
Device（9）, alkali separator（10）Or drying tower one of emptying source of the gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620909464.9U CN205965086U (en) | 2016-08-22 | 2016-08-22 | Hydrogen peroxide production line aromatic hydrocarbon recovery unit that drops a hint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620909464.9U CN205965086U (en) | 2016-08-22 | 2016-08-22 | Hydrogen peroxide production line aromatic hydrocarbon recovery unit that drops a hint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205965086U true CN205965086U (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620909464.9U Active CN205965086U (en) | 2016-08-22 | 2016-08-22 | Hydrogen peroxide production line aromatic hydrocarbon recovery unit that drops a hint |
Country Status (1)
| Country | Link |
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Cited By (1)
| 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 |
-
2016
- 2016-08-22 CN CN201620909464.9U patent/CN205965086U/en active Active
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 418200 Huaihua City, Hunan province Hongjiang District Rock Gate No. 1 Patentee after: Hunan Shuangyang hi tech Chemical Co., Ltd. Address before: 418200 Huaihua City, Hunan province Hongjiang District Rock Gate No. 1 Patentee before: Huaihua Shuangyang Forest Chemical Co., Ltd. |