CN207970654U - A kind of retracting device for middle organic gas of dropping a hint - Google Patents
A kind of retracting device for middle organic gas of dropping a hint Download PDFInfo
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- CN207970654U CN207970654U CN201721800362.4U CN201721800362U CN207970654U CN 207970654 U CN207970654 U CN 207970654U CN 201721800362 U CN201721800362 U CN 201721800362U CN 207970654 U CN207970654 U CN 207970654U
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Abstract
The utility model provides a kind of retracting device for middle organic gas of dropping a hint, including：Oxidation solution storage tank, hydride storage tank is vented Gas Cooler 2, it drops a hint gas-liquid separator 3, whirlpool air pump 4, carbon fiber reclaimer, it is characterized in that, oxidation solution storage tank 1, hydride storage tank is vented Gas Cooler 2, it drops a hint gas-liquid separator 3, whirlpool air pump 4, carbon fiber reclaimer 5 is sequentially connected, hydride storage tank is vented Gas Cooler 2 and gas-liquid separator 3 of dropping a hint, oxidation solution storage tank 1 is all connected in parallel by two pipelines, also it is connected with the external world by delivery pipe on the gas-liquid separator 3 of dropping a hint, stop valve 6 is provided on the delivery pipe, the blow-down pipe being connected with the external world is additionally provided on pipeline between the whirlpool air pump 4 and carbon fiber reclaimer 5, stop valve 7 is additionally provided on the blow-down pipe.The organic gas effect on environment in dropping a hint is reduced, while the aromatic hydrocarbons recycled in dropping a hint reuses, reduces aromatic hydrocarbons consumption.
Description
Technical field
The utility model belongs to emission reduction field of dropping a hint, more particularly to a kind of retracting device for middle organic gas of dropping a hint.
Background technology
It is the derivative (abbreviation working solution) that anthraquinone is dissolved with solvent appropriate to fear quinone method, uses hydrogen in the presence of a catalyst
It is that hydrogen fears quinone by the anthraquinone reduction in solvent, the latter in the presence of air use at fearing quinone and generate hydrogen peroxide by autoxidation
Hydrogen peroxide in water extraction solution obtains the product of various concentration through detaching to obtain aqueous hydrogen peroxide solution, further refining and concentrating,
Extraction raffinate after extraction returns to hydrogenation stage recycling after processing.Working solution is in different operation stages, according in working solution
Composition change be divided into：Working solution, hydride, oxidation solution are recycled in the entire system with pumping as power.In hydrogen peroxide
In production, it is atmospheric pressure device to be related to the equipment such as working solution storage tank, cycle working fluid storage tank and carclazyte bed, is equipped with blow-down pipe and big
Gas phase is logical, and since the aromatic hydrocarbons in working solution has volatility, in cyclic process, the gas of carrying stores up working solution in normal pressure in addition
It is discharged in slot, so containing a certain amount of aromatic hydrocarbons gas in the emptying gas of equipment, causes environment to influence in air, while also increasing
Aromatic hydrocarbons consumption is added.
Chinese patent CN205965086U discloses a kind of hydrogen peroxide manufacture line and drops a hint aromatic recovery device, including with
In the expanding machine of cooling oxidized tail gas；Air inlet and hydrogen peroxide manufacture line emptying air source be connected to, gas outlet and the expanding machine
Gas outlet connection air pump；The knockout drum that air inlet is connected to the gas outlet of the expanding machine and air pump；Air inlet with it is described
The tail gas recycle unit of the gas outlet connection of knockout drum.Drop a hint after being pressurizeed by air pump with expanding machine oxidized tail gas after cooling
Mixing enters knockout drum, is separated and recovered in knockout drum after the condensation of most aromatic hydrocarbons gas after cooling, remainder into
Enter after tail gas recycle unit further removes aromatic hydrocarbons therein and be discharged into air, can effectively recycle the virtue during hydrogen peroxide manufacture
Hydrocarbon reduces aromatic hydrocarbons usage amount, reduces pollution of the aromatic hydrocarbons to environment.But it does not carry out classification processing to gas of different nature, returns
Rate of producing effects is low.
Utility model content
In order to overcome above-mentioned deficiency, the utility model to provide a kind of technique recycling middle organic gas of dropping a hint, reduction is put
Organic gas effect on environment in air, while the aromatic hydrocarbons recycled in dropping a hint reuses, and reduces aromatic hydrocarbons consumption.
In order to improve hydrogen peroxide manufacture line be vented air source treatment effeciency, the application according to the acid-base property dropped a hint not
Together, it drops a hint with alkalinity and is located respectively by corresponding Acid-base Gas processing unit dropping a hint to be divided into acidity and drop a hint
Reason, wherein oxidation solution storage tank is dropped a hint drops a hint for acidity, and composition of dropping a hint is that hydrogen peroxide, aromatic hydrocarbons, nitrogen, oxygen and water steam
Gas；Cycle working fluid storage tank and the emptying of carclazyte bed are dropped a hint for alkalinity, and gas ingredients are aromatic hydrocarbons, nitrogen, oxygen and vapor.
Hydrogen peroxide has the characteristic for meeting caustic digestion, therefore acidity is dropped a hint, drop a hint with alkalinity can not mixed processing.
To achieve the goals above, the utility model adopts the following technical solution：
A kind of retracting device dropped a hint containing organic impurities, including：Hydrogen peroxide manufacture line is vented air source, hydride storage tank
It is vented Gas Cooler 2, gas-liquid separator 3 of dropping a hint, whirlpool air pump 4, carbon fiber reclaimer, the hydrogen peroxide manufacture line is put
Air-source includes：Oxidation solution storage tank 1, carclazyte bed are dropped a hint 9, cycle working fluid storage tank 8；Oxidation solution storage tank 1, hydride storage tank are put
Aerial cooler 2, gas-liquid separator 3 of dropping a hint, whirlpool air pump 4, carbon fiber reclaimer 5 are sequentially connected, and hydride storage tank is put
Aerial cooler 2 is all connected in parallel by two pipelines with gas-liquid separator 3 of dropping a hint, oxidation solution storage tank 1, the gas of dropping a hint
Also be connected with the external world by delivery pipe on liquid/gas separator 3, be provided with stop valve 6 on the delivery pipe, the whirlpool air pump 4 with
It is additionally provided with the blow-down pipe being connected with the external world on pipeline between carbon fiber reclaimer 5, gas is additionally provided on the blow-down pipe
Dynamic valve 7；The carclazyte bed 9, cycle working fluid storage tank 8 of dropping a hint also is connected with absorbent charcoal adsorption tank 10 respectively, the activated carbon
Adsorption tanks 10 are sequentially connected with regeneration gas condenser 11, layering slot 12.
Absorbent charcoal adsorption tank 10 need to use steam blowing after adsorption saturation or adsorption efficiency decline to absorbent charcoal adsorption tank 10
Regeneration, the aromatic hydrocarbons of activated carbon adsorption after cooler cooling 11, into layering slot 12, are being layered grease in slot 12 with steam condensate
Separation, oil phase recycling, water phase enter cesspool.
In the prior art in order to be protected to equipment, admission line is provided with emergent evacuation valve, but can only be to single
Air pump is protected, and utilization rate is not high.For this purpose, the application is by realizing the setting of pipeline connection relation the multistage of blow-down pipe
It utilizes, emergent evacuation protection can be carried out to multiple equipment, blow-down pipe utilization rate is substantially improved.
Preferably, the top pressure of the blow-down pipe pneumatic operated valve 7 and oxidation solution storage tank 1 is equipped with chain.
The beneficial effects of the utility model
(1) the utility model is the organic gas recovery technology during a kind of storage tank is dropped a hint, and reduces the VOC in dropping a hint
Effect on environment, while the aromatic hydrocarbons in dropping a hint has been recycled, there is preferable Social benefit and economic benefit.After tested, it drops a hint
In arene content by 5-10g/m3It is reduced to 120mg/m3Below.
(2) the utility model preparation method is simple, organic efficiency is high, highly practical, easy to spread.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.
Fig. 1 is the schematic device of the utility model, wherein 1 oxidation solution storage tank, 2 hydride storage tanks emptying Gas Cooler,
3 drop a hint gas-liquid separator, 4 whirlpool air pumps, 5 carbon fiber reclaimers, 6 stop valves, 7 pneumatic operated valves, 8 cycle working fluid storage tanks,
9 carclazyte beds drop a hint, 10 absorbent charcoal adsorption tanks, 11 regeneration gas condensers, 12 layering slots.
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
1, different according to the acid-base property dropped a hint, it drops a hint with alkalinity dropping a hint to be divided into acidity and drop a hint, wherein aoxidizing
Liquid storage tank is dropped a hint drops a hint for acidity, and composition of dropping a hint is hydrogen peroxide, aromatic hydrocarbons, nitrogen, oxygen and vapor；Cycle working fluid
Storage tank and the emptying of carclazyte bed are dropped a hint for alkalinity, and gas ingredients are aromatic hydrocarbons, nitrogen, oxygen and vapor.Hydrogen peroxide has chance alkali
The characteristic of decomposition, therefore acidity is dropped a hint, drop a hint with alkalinity can not mixed processing.
2, oxidation solution storage tank is dropped a hint processing mode.It is using whirlpool air pump that input carbon fiber adsorption air inlet of dropping a hint is total
Pipe and oxidized tail gas enter absorbing carbon fiber applying equipment jointly, and air is discharged into after adsorbing the aromatic hydrocarbons in dropping a hint.
3, alkalinity is dropped a hint processing mode.Carclazyte bed is dropped a hint, cycle working fluid storage tank drops a hint and introduces activated carbon suction
Attached tank is dropped a hint and is vented after active carbon adsorption.Activated carbon in adsorption tanks can steam regeneration, it is reusable after regeneration.Again
For raw lime set by being layered slot oil phase and aqueous phase separation, water phase enters sewage disposal system, and oil phase enters the useless working solution storage of alkalinity
Slot recycles.
Embodiment 1
As shown in Figure 1, a kind of recovery technology for middle organic gas of dropping a hint, including acid drop a hint and alkalinity drops a hint
Organic gas recovery technology.
1, the recycling of acid middle organic gas of dropping a hint, including：Oxidation solution storage tank 1, hydride storage tank are vented Gas Cooler
2, it drops a hint gas-liquid separator 3, whirlpool air pump 4, carbon fiber reclaimer 5, delivery pipe stop valve 6 and pump discharge pneumatic operated valve 7.
1) oxidation solution storage tank 1, which is dropped a hint, initially enters cooler 2, and tail gas after cooling enters gas-liquid separator 3 of dropping a hint,
Condensation and isolated aromatic hydrocarbons return to oxidation solution storage tank 1 by gravity.What separator 3 exported drops a hint there are two types of discharging modes：
First, in emptying pipe end high point emptying, another approach be drop a hint through whirlpool air pump 4 be input to absorbing carbon fiber applying equipment 5 into
Mouthful, absorbing carbon fiber applying equipment 5 is entered together with oxidized tail gas, is emptied after the aromatic hydrocarbons in gas recovery.Go out respectively in whirlpool air pump 4
Installation pneumatic operated valve 7 and stop valve 6 on mouth and blow-down pipe.Under normal condition, the stop valve 6 on blow-down pipe is closed, is dropped a hint through whirlpool
Whirlpool air pump is discharged into absorbing carbon fiber applying equipment 5, and when whirlpool 4 failure of air pump, the pneumatic operated valve 7 on blow-down pipe is opened, while whirlpool gas
4 outlet pneumatic operated valve of pump is closed, and is prevented oxidized tail gas from entering oxidation solution storage tank 1, is caused 1 superpressure of oxidation solution storage tank.
2) top pressure of blow-down pipe pneumatic operated valve 7 and oxidation solution storage tank 1 is equipped with chain, when 1 top pressure of oxidation solution storage tank
Too high or too low, emptying pneumatic operated valve 7 is opened under chain effect.
2, the recycling of alkaline organic gas of dropping a hint, including absorbent charcoal adsorption tank 10, regeneration gas condenser 11, layering slot
12。
1) pipe laying directly introduces activity dropping a hint on carclazyte bed blow-down pipe 9,8 blow-down pipe of cycle working fluid storage tank
Charcoal adsorption tanks 10, and valve is installed with the root for picking out pipe on blow-down pipe top respectively, control the flow direction dropped a hint.
2) absorbent charcoal adsorption tank 10 is horizontal equipment, and device bottom is porous distributor, and the upper surface of distributor loads 100mm
Inert ceramic balls, for being uniformly distributed for gas.Inert ceramic balls top is laid with stainless steel cloth, for activated carbon and porcelain ball every
From activated carbon is loaded on stainless steel cloth top, and activated carbon top re-lays stainless steel tube silk screen, and silk screen top fills inert ceramic balls pressure
It is real.
3) valve at the top of blow-down pipe under normal circumstances, is closed, is dropped a hint into absorbent charcoal adsorption tank 10, in dropping a hint
Aromatic hydrocarbons is after absorption in the top blow-down pipe emptying of absorbent charcoal adsorption tank 10.When activated carbon adsorption saturation or adsorption rate decline obviously
When, steam regeneration need to be used.When regeneration, valve at the top of blow-down pipe is opened, closing connects 10 imported valve of absorbent charcoal adsorption tank and activity
Charcoal adsorption tanks 10 are vented valve.0.2MPa saturated vapors are passed through on 10 top of absorbent charcoal adsorption tank, steam penetrates active carbon bed,
Aromatic hydrocarbons and steam under being desorbed enter regeneration Gas Cooler 11 in device bottom, and lime set after cooling is divided in layering slot 12
Layer, top oil phase enter the useless working solution storage tank of alkalinity, are recycled after washing, lower aqueous enters sewage disposal system.
4) after absorbent charcoal adsorption tank 10 regenerates, the temperature of active carbon bed is high, cannot be passed through and drop a hint at once.It opens
The cooling air-valve of 10 bottom of absorbent charcoal adsorption tank draws oxidized tail gas (oxygen content is less than 5%) and cools down to active carbon bed, bed drop
When 40 DEG C of temperature or less, then it is passed through and drops a hint.
Embodiment 2
A kind of retracting device dropped a hint containing organic impurities, including：Hydrogen peroxide manufacture line is vented air source, hydride storage tank
It is vented Gas Cooler 2, gas-liquid separator 3 of dropping a hint, whirlpool air pump 4, carbon fiber reclaimer 5, the hydrogen peroxide manufacture line
Emptying air source includes that oxidation solution storage tank 1, carclazyte bed are dropped a hint 9, cycle working fluid storage tank 8；Oxidation solution storage tank 1, hydride storage tank
Emptying Gas Cooler 2, gas-liquid separator 3 of dropping a hint, whirlpool air pump 4, carbon fiber reclaimer 5 are sequentially connected, hydride storage tank
Emptying Gas Cooler 2 is all connected in parallel by two pipelines with gas-liquid separator 3 of dropping a hint, oxidation solution storage tank 1, described to drop a hint
Also it is connected with the external world by delivery pipe on gas-liquid separator 3, stop valve 6, the whirlpool air pump 4 is provided on the delivery pipe
It is additionally provided with the blow-down pipe being connected with the external world on pipeline between carbon fiber reclaimer 5, is additionally provided on the blow-down pipe
Pneumatic operated valve 7；The carclazyte bed 9, cycle working fluid storage tank 8 of dropping a hint also is connected with absorbent charcoal adsorption tank 10 respectively, the activity
Charcoal adsorption tanks 10 are sequentially connected with regeneration gas condenser 11, layering slot 12.
Absorbent charcoal adsorption tank 10 need to use steam blowing after adsorption saturation or adsorption efficiency decline to absorbent charcoal adsorption tank 10
Regeneration, the aromatic hydrocarbons of activated carbon adsorption after cooler cooling 11, into layering slot 12, are being layered grease in slot 12 with steam condensate
Separation, oil phase recycling, water phase enter cesspool.
Embodiment 3
A kind of retracting device dropped a hint containing organic impurities, including：Hydrogen peroxide manufacture line is vented air source, hydride storage tank
It is vented Gas Cooler 2, gas-liquid separator 3 of dropping a hint, whirlpool air pump 4, carbon fiber reclaimer 5, the hydrogen peroxide manufacture line
Emptying air source includes that oxidation solution storage tank 1, carclazyte bed are dropped a hint 9, cycle working fluid storage tank 8；Oxidation solution storage tank 1, hydride storage tank
Emptying Gas Cooler 2, gas-liquid separator 3 of dropping a hint, whirlpool air pump 4, carbon fiber reclaimer 5 are sequentially connected, hydride storage tank
Emptying Gas Cooler 2 is all connected in parallel by two pipelines with gas-liquid separator 3 of dropping a hint, oxidation solution storage tank 1, described to drop a hint
Also it is connected with the external world by delivery pipe on gas-liquid separator 3, stop valve 6, the whirlpool air pump 4 is provided on the delivery pipe
It is additionally provided with the blow-down pipe being connected with the external world on pipeline between carbon fiber reclaimer 5, is additionally provided on the blow-down pipe
Pneumatic operated valve 7；The carclazyte bed 9, cycle working fluid storage tank 8 of dropping a hint also is connected with absorbent charcoal adsorption tank 10 respectively, the activity
Charcoal adsorption tanks 10 are sequentially connected with regeneration gas condenser 11, layering slot 12.
Absorbent charcoal adsorption tank 10 need to use steam blowing after adsorption saturation or adsorption efficiency decline to absorbent charcoal adsorption tank 10
Regeneration, the aromatic hydrocarbons of activated carbon adsorption after cooler cooling 11, into layering slot 12, are being layered grease in slot 12 with steam condensate
Separation, oil phase recycling, water phase enter cesspool.
The top pressure of the blow-down pipe pneumatic operated valve 7 and oxidation solution storage tank 1 is equipped with chain.
Finally it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to
The utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For member, it can still modify to the technical solution recorded in previous embodiment, or which part is equal
It replaces.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in
Within the scope of protection of the utility model.Although above-mentioned retouch specific embodiment of the present utility model in conjunction with attached drawing
It states, but is not intended to limit the scope of the present invention, those skilled in the art should understand that, in the skill of the utility model
On the basis of art scheme, the various modifications or variations that can be made by those skilled in the art with little creative work still exists
Within the scope of protection of the utility model.
Claims (2)
1. a kind of retracting device for middle organic gas of dropping a hint, including：Hydrogen peroxide manufacture line is vented air source, and hydride storage tank is put
Aerial cooler (2), gas-liquid separator of dropping a hint (3), whirlpool air pump (4), carbon fiber reclaimer, which is characterized in that described
Hydrogen peroxide manufacture line emptying air source include oxidation solution storage tank (1), carclazyte bed drop a hint, cycle working fluid storage tank；Oxidation solution stores up
Slot (1), hydride storage tank emptying Gas Cooler (2), gas-liquid separator of dropping a hint (3), whirlpool air pump (4), carbon fiber recycling are set
Standby (5) are sequentially connected, and hydride storage tank is vented Gas Cooler (2) and drops a hint gas-liquid separator (3), oxidation solution storage tank (1) all
It is connected in parallel by two pipelines, is also connected with the external world by delivery pipe on the gas-liquid separator of dropping a hint (3), the discharge
Stop valve (6) is provided on pipe, be additionally provided on the pipeline between the whirlpool air pump (4) and carbon fiber reclaimer (5) with
The connected blow-down pipe in the external world is additionally provided with pneumatic operated valve (7) on the blow-down pipe；
The carclazyte bed is dropped a hint (9), cycle working fluid storage tank (8) is connect with absorbent charcoal adsorption tank (10) respectively, the activity
Charcoal adsorption tanks (10) are sequentially connected with regeneration gas condenser (11), layering slot (12).
2. device as described in claim 1, which is characterized in that the top of the blow-down pipe pneumatic operated valve (7) and oxidation solution storage tank (1)
Portion's pressure is equipped with chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721800362.4U CN207970654U (en) | 2017-12-21 | 2017-12-21 | A kind of retracting device for middle organic gas of dropping a hint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721800362.4U CN207970654U (en) | 2017-12-21 | 2017-12-21 | A kind of retracting device for middle organic gas of dropping a hint |
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| CN207970654U true CN207970654U (en) | 2018-10-16 |
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| CN201721800362.4U Active CN207970654U (en) | 2017-12-21 | 2017-12-21 | A kind of retracting device for middle organic gas of dropping a hint |
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Address after: 252211 location of Luxi group in Liaocheng chemical industry park, Liaocheng City, Shandong Province Patentee after: Liaocheng Luxi polyamide New Material Technology Co., Ltd Address before: 252000 Shandong Province, Liaocheng City Development Zone, Gu Guan Tun Town resident Patentee before: LIAOCHENG MEISI NEW MATERIAL TECHNOLOGY CO., LTD. |