CN208449017U - A kind of VOC recycling reprocessing device - Google Patents
A kind of VOC recycling reprocessing device Download PDFInfo
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- CN208449017U CN208449017U CN201820928531.0U CN201820928531U CN208449017U CN 208449017 U CN208449017 U CN 208449017U CN 201820928531 U CN201820928531 U CN 201820928531U CN 208449017 U CN208449017 U CN 208449017U
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Abstract
A kind of VOC recycling reprocessing device, including technique oil groove, oil storage tank, liquid-seal type respiratory slot, unload oil sump, tail gas washing column, cooking fume blower, oil separator, water sealed tank and mist eliminator；Technique oil groove is connect with nitrogen making machine respectively with oil storage tank, after the row of technique oil groove and oil storage tank mouthful intercommunication and it is connected to liquid-seal type respiratory slot, liquid-seal type respiratory slot and tail gas washing column is connected after unloading oil sump intercommunication, the top of tail gas washing column connects cooking fume blower, cooking fume blower connects oil separator, oil separator and water sealed tank intercommunication, water sealed tank are connect with mist eliminator.The utility model makes wastewater discharge reduce 90% or more, and the energy consumptions such as steam, electricity, compress wind reduce 50% or so than before, plays energy-saving purpose；Plant automation degree is high, and can achieve oil smoke gas zero, avoids the pollution to environment.
Description
Technical field
The utility model relates to be recycled field, specially a kind of VOC recycling reprocessing device.
Background technique
After SO2、NOXAfter freon, the pollution of volatile organic compounds VOC becomes the another coke of countries in the world concern
Point, VOC are the english abbreviations of volatile organic compounds (volatileorganiccompounds).Most of VOC are toxic, have
Stench, it is inflammable and explosive, ozone layer can be destroyed, not only endanger the life of people, also pollution environment, easily cause accident；It can make one to suffer from product
The respiratory disease of tired property will cause acute poisoning, or even dead in the case where high concentration acts on suddenly sometimes；It is all inflammable and explosive,
High concentration easily leads to fire and explosion when discharging.So VOC has become global public hazards.
Under prior art, the main raw material(s) of production of carbon black is coal tar, and the scale in carbon black workshop oil depot area generally has
Oil storage tank 10,10, technique oil groove, oil sump 7 are unloaded, gross storage capacity is about 2 ten thousand steres.Former oil storage tank and technical oil groove top
Portion is equipped with pneumostome, unloads oil sump and also discharges during emptying for open type, can all have during storing and discharging a large amount of
Cooking fume leaks, and not only pollutes environment, has an effect on the health of operating personnel.
Summary of the invention
In the prior art, original flue gas device is to install a butterfly valve additional at the top of oil groove, then utilizes pipeline by oil storage
Slot, technique oil groove all connect, so that the cooking fume intercommunication inside oil groove, then acts on using a centrifugal blower,
So that cooking fume first passes through plenum chamber, then (washing medium is work through progress washing, purifying in the adsorption tower equipped with spray and filler
Industry water), ozone equipment and ozone are entered back by the cooking fume after washing, purifying and neutralized, after mitigating smoke smell, most afterwards through from
Heart blower is pumped into chimney outlet.A large amount of waste water can be generated in use, and there is also the gas for being difficult to hear for neutralized rear cooking fume
Taste, waste water and exhaust emission water source and environment, are unfavorable for environmental protection.Naphthalene in cooking fume, it is lower to encounter temperature in washing process,
Solid-state naphthalene is easily crystallized into when water, is frequently occluded equipment and pipeline.If improving industrial coolant-temperature gage, naphthalene is not easy to crystallize again, into cigarette
After chimney outlet, in case of cold air when crystallize rapidly, be dropped in ground, cause ambient contamination, and absorb cooking fume effect again
It reduces.
Therefore, in order to reduce a large amount of discharges of waste water, exhaust gas, transformation is made in original Equipment Foundations, adds fluid-tight
The equipment such as formula respiratory slot, washing oil slot, air exhauster, water sealed tank, oil separator, demister, nitrogen making machine constitute a kind of novel VOC
Recycling reprocessing device, now does further explaination to this device.
A kind of VOC recycling reprocessing device, including technique oil groove, oil storage tank, liquid-seal type respiratory slot, unload oil sump, tail gas is washed
Net tower, cooking fume blower, oil separator, water sealed tank and mist eliminator；Technique oil groove is connect with nitrogen making machine respectively with oil storage tank, technical oil
It after the row of slot and oil storage tank mouthful intercommunication and is connected to liquid-seal type respiratory slot, liquid-seal type respiratory slot and connects tail gas after unloading oil sump intercommunication
Washing column, the top of tail gas washing column connect cooking fume blower, and cooking fume blower connects oil separator, and oil separator is mutual with water sealed tank
Logical, water sealed tank is connect with mist eliminator.
Further, fluid pressure type safety valve is equipped at the top of technique oil groove and oil storage tank；By the internal pressure control of all oil grooves
System ensure that the safety of oil groove within the scope of the operating pressure of fluid pressure type safety valve.
Further, washing oil and two layers of filler are equipped in tail gas washing column；Washing oil separates naphthalene, the light oil in cooking fume
Out, remaining cooking fume will pass through more than one layer of filler, and after coming into full contact with filler, cooking fume is by packing material absorbing, finally
Remaining as flue gas.
Further, the import of tail gas washing column bottom connection washing oil slot, the outlet of washing oil slot are then connected to tail gas and clean
The top of tower, tail gas washing column and washing oil slot form local circulation；It can be recycled.
The utility model has the advantages that compared with prior art, the utility model makes wastewater discharge reduce 90% or more, steam, electricity,
The energy consumptions such as compress wind reduce 50% or so than before, play energy-saving purpose；Plant automation degree is high, and can
To reach oil smoke gas zero, the pollution to environment is avoided.
Detailed description of the invention
Fig. 1: the structural schematic diagram of the present apparatus；
In figure: 1- technique oil groove；2- oil storage tank；3- liquid-seal type respiratory slot；4- unloads oil sump；5- tail gas washing column；6- washing oil
Slot；7- cooking fume blower；8- oil separator；9- water sealed tank；10- mist eliminator；11- centrifugal blower；12- nitrogen making machine；13- fluid pressure type
Safety valve.
Specific embodiment
It is elaborated now in conjunction with the one embodiment of attached drawing 1 to the utility model.
A kind of VOC recycling reprocessing device, including technique oil groove 1, oil storage tank 2, liquid-seal type respiratory slot 3, unload oil sump 4, tail
Gas washing column 5, washing oil slot 6, cooking fume blower 7, oil separator 8, water sealed tank 9, mist eliminator 10, centrifugal blower 11 and nitrogen making machine 12.
Technique oil groove 1 is connect with nitrogen making machine 12 respectively with oil storage tank 2, by nitrogen making machine 12 to technique oil groove 1 and oil storage tank 2
Interior injection nitrogen maintains defined pressure.
After the row of technique oil groove 1 and oil storage tank 2 mouthful intercommunication, and liquid-seal type respiratory slot 3, fluid-tight are connected to by tee pipe fitting
Formula respiratory slot 3 connect tail gas washing column 5 by tee pipe fitting with the row mouthful for unloading oil sump 4.
Two layers of filler is equipped in the tail gas washing column 5, after tail gas and filler come into full contact with, cooking fume by packing material absorbing,
Finally remaining as flue gas.
5 bottom of tail gas washing column connects the import of washing oil slot 6, and the outlet of washing oil slot 6 is connected to the top of tail gas washing column 5
Portion, tail gas washing column 5 and washing oil slot 6 form local circulation, have washing medium in washing oil slot 6, and in the present embodiment, washing is situated between
Matter is washing oil, be can be recycled.
The top of tail gas washing column 5 connects cooking fume blower 7, and the maintenance of cooking fume blower 7 unloads oil sump to tail gas washing column
Pipeline maintains tiny structure, so that the cooking fume for unloading in oil sump 4 can smoothly enter into tail gas purification tower 5 and be washed and be purified.
The import of the exhaust outlet connection oil separator 8 of cooking fume blower 7, oil separator 8 and 9 intercommunication of water sealed tank.
Row's mouth of water sealed tank 9 is connect with the import of mist eliminator 10, by the barrier of mist eliminator 10, by the naphthalene, light in flue gas
Matter oil is removed.
In the present embodiment, the row mouthful of mist eliminator 10 connect with centrifugal blower 11, pumps by centrifugal blower 11 to tail gas
Burning in furnace；Oil product region distance production area is generally all distant, so cooking fume conveyance conduit is also longer, centrifugal blower is just
Play the role of give cooking fume pressurization, by the effect of centrifugal blower, finally by remaining flue gas send to carbon black tail gas furnace into
Row burning disposal.
In the present embodiment, on the basis of the original, the spiracle at the top of all oil grooves, manhole cover are closed, into oil groove
It is passed through nitrogen, the space for being allowed to oil level or more forms nitrogen envelope, has thoroughly prevented leaking for cooking fume, and in 1 He of technique oil groove
It is equipped with fluid pressure type safety valve 13 at the top of oil storage tank 2, the internal pressure of all oil grooves is controlled into the operation in fluid pressure type safety valve 13
Within pressure limit, the safety of oil groove ensure that.
In addition, after reaching authorized pressure, nitrogen making machine is automatically stopped gas supply, because of institute after being passed through nitrogen in all oil grooves
Have by flue connection at the top of oil groove, so when the nitrogen in oil groove is within the scope of operating pressure, between oil groove
Nitrogen can be complementary with each oil groove oil inlet and fuel-displaced different progress, and only after pressure is lower than operating pressure, nitrogen making machine is automatic
Start tonifying Qi.In this way, both having saved electricity consumption, the dosage of compress wind is also saved.
In the present embodiment, washing medium is washing oil, and the naphthalene, light oil in cooking fume enter washing oil, and the index of washing oil is super
It is discharged into emptying pond after crossing standard, send to oil storage tank and is mixed with coal tar, is used as carbon black raw material.
In the present embodiment, automation equipment can be used on all devices, acquisition state data are transmitted to control room, control
Room processed can be determined according to the safe range being equipped with, and be more than safety value alarm and carried out barrier gate to equipment transmitting action signal
Protection.
Working principle:
Nitrogen making machine 12 is first turned on, nitrogen is passed through into technique oil groove 1 and oil storage tank 2, stops after reaching authorized pressure, benefit
Nitrogen envelope is carried out into the above space of pasta in oil groove with nitrogen, so that cooking fume can not overflow；
It is then turned on cooking fume blower 7, the pipeline for unloading oil sump 4 to tail gas washing column 5 at this time maintains tiny structure, unloads oil sump 4
In cooking fume enter in tail gas purification tower 5 and washed and purified, the washing oil in tail gas purification tower 5 by cooking fume naphthalene,
Light oil is separated, and remaining cooking fume is by having two layers of filler in tail gas purification tower 5, after being come into full contact with filler, oil
Flue gas is by packing material absorbing, and finally remaining as flue gas, remaining flue gas is sent to oil partition tank 8 after cooking fume blower, then passes through again
Water sealed tank 9 enters mist eliminator 10 again later, and the moisture in flue gas just enters the delivery pipe for leading to carbon black tail gas furnace after being understood
Road；
Centrifugal blower 11 is finally opened, centrifugal blower just plays the role of pressurizeing to cooking fume, passes through centrifugal blower
Remaining flue gas is finally sent to carbon black tail gas furnace and carries out burning disposal by effect.
Whole process can only have a small amount of waste water in oil separator, and three layers of oil separator point, heavy oil sinks to bottom of pond, light oil upper
Face flow to through pipeline and unloads oil sump, and intermediate waste water is discharged into dedicated reuse pool, because amount is special few, without processing
Directly with carbon black production line quench zone be delivered to by water pump after a large amount of clear water mixed dilutings do cooling water use.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In range.
Claims (5)
1. a kind of VOC recycling reprocessing device, it is characterised in that including technique oil groove, oil storage tank, liquid-seal type respiratory slot, emptying
Pond, tail gas washing column, cooking fume blower, oil separator, water sealed tank and mist eliminator；Technique oil groove and oil storage tank connect with nitrogen making machine respectively
It connects, technique oil groove is then connected to liquid-seal type respiratory slot after being connected to the row of oil storage tank mouth, and liquid-seal type respiratory slot is connected to oil sump is unloaded
After be connected to tail gas washing column, the top of tail gas washing column connects cooking fume blower, and cooking fume blower connects oil separator, oil separator
With water sealed tank intercommunication, water sealed tank is connect with mist eliminator.
2. VOC recycling reprocessing device according to claim 1, characterized by comprising: the technique oil groove and oil storage
Groove top portion is equipped with fluid pressure type safety valve.
3. VOC recycling reprocessing device according to claim 1, characterized by comprising: set in the tail gas washing column
There are washing medium and more than one layer of filler.
4. VOC recycling reprocessing device according to claim 1, characterized by comprising: the tail gas washing column bottom
The import of washing oil slot is connected, the outlet of washing oil slot is then connected to the top of tail gas washing column, and tail gas washing column is formed with washing oil slot
Local circulation has washing medium in washing oil slot.
5. VOC recycling reprocessing device according to claim 3 or 4, characterized by comprising: the washing medium is to wash
Oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820928531.0U CN208449017U (en) | 2018-06-15 | 2018-06-15 | A kind of VOC recycling reprocessing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820928531.0U CN208449017U (en) | 2018-06-15 | 2018-06-15 | A kind of VOC recycling reprocessing device |
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| CN208449017U true CN208449017U (en) | 2019-02-01 |
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| CN201820928531.0U Active CN208449017U (en) | 2018-06-15 | 2018-06-15 | A kind of VOC recycling reprocessing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109775833A (en) * | 2019-02-28 | 2019-05-21 | 唐山黑猫炭黑有限责任公司 | The processing unit and method of the bright water of tar in a kind of carbon black generating process |
| CN111744329A (en) * | 2019-03-27 | 2020-10-09 | 宝山钢铁股份有限公司 | Treatment device and treatment process for long-distance long-term stable transportation of naphthalene-containing VOCs gas |
| CN115069070A (en) * | 2022-07-28 | 2022-09-20 | 鞍钢化学科技有限公司 | System and method for anaerobic positive pressure recovery of coal-based needle coke tail gas |
-
2018
- 2018-06-15 CN CN201820928531.0U patent/CN208449017U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109775833A (en) * | 2019-02-28 | 2019-05-21 | 唐山黑猫炭黑有限责任公司 | The processing unit and method of the bright water of tar in a kind of carbon black generating process |
| CN111744329A (en) * | 2019-03-27 | 2020-10-09 | 宝山钢铁股份有限公司 | Treatment device and treatment process for long-distance long-term stable transportation of naphthalene-containing VOCs gas |
| CN115069070A (en) * | 2022-07-28 | 2022-09-20 | 鞍钢化学科技有限公司 | System and method for anaerobic positive pressure recovery of coal-based needle coke tail gas |
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