CN105841168A - Integrated treatment method for malodorous VOCs gas of refining devices - Google Patents
Integrated treatment method for malodorous VOCs gas of refining devices Download PDFInfo
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- CN105841168A CN105841168A CN201610172748.9A CN201610172748A CN105841168A CN 105841168 A CN105841168 A CN 105841168A CN 201610172748 A CN201610172748 A CN 201610172748A CN 105841168 A CN105841168 A CN 105841168A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
Abstract
The invention discloses an integrated treatment method for unorganizedly emitted malodorous VOCs gas of refining devices. The VOCs gas emitted by refining storage tanks including a residue oil tank, an intermediate product tank and an acid water tank is collected, and VOCs gas leading outlets of the refining storage tanks are connected with driving fluid inlets of liquid jet vacuum pumps correspondingly. Working fluid inlets of the liquid jet vacuum pumps are connected with outlets of circulating pumps correspondingly, and mixed fluid outlets are connected with gas-liquid separation tanks correspondingly. Inlets of the circulating pumps are connected with liquid outlets of gas-liquid separation devices correspondingly. Gas outlets of gas-liquid separation devices are connected with a buffering tank correspondingly. Besides the VOCs gas in the gas storage buffering tank, combustion-supporting gas and air are further led into an inlet of a burning unit. The VOCs gas and malodorous gas are burnt in the burning unit, and the burning temperature is 800-1000 DEG C.
Description
Technical field
The invention belongs to environmental technology field, relate to the processing method of VOCs gas, particularly relate to a kind of refinery
The integral treatment method of device stench VOCs gas.
Background technology
VOCs is that fusing point is less than room temperature, boiling spread VOC between 50~260 DEG C total
Claim, mainly include hydro carbons, aromatic hydrocarbons, alcohols, aldehydes, ketone, lipid, amine and organic acid etc., have
The features such as strong volatilization, special odor, zest and toxicity, not only can baneful influence ecological environment, also can be to people
Body health causes serious harm.Petroleum refining and petroleum chemical industry are VOCs gas key industry emission sources,
There is technology waste gas discharge, produce the leakage of equipment seal point, storage tank and cargo handling process volatilization, waste water and waste liquid waste residue
The multiple uncontrollable discharge situations such as the links such as system loss and damage blowdown, therefore refinery device is
The emphasis of VOCs master gas work.
Tradition VOCs Treatment process includes absorption recovery, condensation recovery, directly burning, is catalyzed burning and heating power
The technology such as burning.Absorption reclaim and condensation recovery technology be only applied to high concentration, composition flux single, big or
Costly, have in the VOCs gas treatment of recovery value and just there is higher economic benefit.And only directly burn
It is applicable to the VOCs gas containing higher concentration combustible component, and typically needs self-sustaining burning more than 600 DEG C.
Although ignition temperature can be reduced to 200~400 DEG C due to the existence of catalyst by catalysis burning, but catalyst holds
Easily poisoning, extremely strict to air inlet component requirements, it is generally required to pre-desulfurization processes, and catalyst is relatively costly,
So processing cost is higher.When combustible component content is relatively low in VOCs gas, combustion-supporting gas need to be increased and carry out
Flame combustion, too increases processing cost undoubtedly.
CN200810049515.5 proposes a kind of malodorous gas processing assembly technique, and foul gas enters gas-liquid
Separator bottom, the gas after separation from gas-liquid separator top out, enters high-gravity rotating bed bottom,
Reacting with solvent orange 2 A, the volume ratio of the foul gas that solvent orange 2 A is high-gravity rotating bed with entrance is 4~20l/m3,
Reacted liquid enters A solvent tank, and reacted gas enters packed absorber, and solvent orange 2 A counter current contacting,
The time of staying in packed absorber is 1~3 second, and the liquid phase in packed absorber enters A solvent tank, A
Solvent orange 2 A part in solvent tank returns the gas gone out using gas-liquid separator separates and rotates as the hypergravity fed
Bed, part returns packed absorber, recycles, and the gas phase after packed absorber is from packed absorber
Top is discharged, and enters another high-gravity rotating bed bottom, is fully contacted, with solvent B, the NH absorbed in gas3
Class alkaline gas, solvent B is 4~20l/m with the volume ratio of this high-gravity rotating bed foul gas of entrance3,
Liquid after solvent B absorbs is entered the solvent in B solvent tank, in B solvent tank by high-gravity rotating bed bottom
B recycles, and the gas after absorption processes is discharged by high-gravity rotating bed top, introduces chimney and concentrates discharge,
Wherein said solvent orange 2 A is the absorbent that can simultaneously absorb hydrogen sulfide, mercaptan and thioether, and solvent B is to absorb
Nitrogen and the absorbent without equipment corrosion.The clearest and the most definite solvent orange 2 A of this technique, the particular make-up of solvent B and regeneration side
Method, and final discharge gas may contain solvent orange 2 A, solvent B, cause secondary pollution.
CN204746020U proposes the device of a kind of waste gas for reclaiming and process containing VOCs, including: gas
Body collection device, water washing dedust device, microbe filter tower, spawn culture pond, recovery storage tank and condensation are reclaimed
Tower;Described gas collector and the bottom UNICOM of water washing dedust device;Described water washing dedust device upper end is arranged
Water inlet, described water washing dedust device lower end arranges discharge outlet;Described water washing dedust device reclaims with described condensation
Tower (connects;Described condensation recovery tower and described microbe filter tower are by appendix UNICOM;Described appendix one
End is connected to the top of described condensation recovery tower, and the other end is connected to the lower end of described microbe filter tower;Described
Spawn culture pond is by water-supply-pipe and described microbe filter tower UNICOM;Described water-supply-pipe one end is connected to described bacterium
Planting the bottom of culture pond, the other end is connected to the spray equipment on described microbe filter tower top;Described microorganism
The top of filtration tank arranges gas discharge outlet.It is difficult that this technique has discharge of wastewater, microorganism to take off VOCs technology controlling and process
Degree is big, and can not effectively remove all VOCs.
CN204563932U proposes foul gas processing unit, fills including foul smell enrichment facility and biodegradation
Putting, foul smell enrichment facility mainly includes zeolite concentration rotating wheel and heat exchanger, the runner bucket of zeolite concentration rotating wheel
Being provided with zeolite molecular sieve, the direction that the circumferential area of zeolite concentration rotating wheel rotates along runner is sequentially provided with absorption
District, desorption district and purifying area, the sidewall air inlet of adsorption zone is connected with air channel, and gas outlet, adsorption zone is by installing
Aiutage on air channel is in communication with the outside;The desorption district of zeolite concentration rotating wheel is connected with heat exchanger by air channel,
After absorption Organic substance on zeolite concentration rotating wheel is desorbed by the hot-air blowing in heat exchanger, by desorption district
Air outlet enter biodegradation unit process, the gas outlet of described biodegradation unit is connected with aiutage.Should
The VOCs technique controlling difficulty of technique microorganism desuperheating regeneration is big, and desorption gas is easily collaborated with gas outlet, adsorption zone,
Cause exhaust emissions the most up to standard.
CN102091514B proposes a kind of device and method administering foul gas and industry VOCs, including cylinder
The inlet of shape and the insulation crust of gas outlet, be provided with in the inner chamber of insulation crust and be connected with high-voltage pulse power source
Electrode, the inwall of insulation crust is attached with the suction being made up of NACF of surrounding electric poles the most successively
Attached layer and the sheet metal of ground connection.Apparatus of the present invention and method are by plasma reaction and carbon fiber adsorption and catalytic combustion technology
In conjunction with so that foul gas or VOCs molecule extended residence time in device, improve treatment effeciency.Should
Technique uses high voltage power supply, and investment is big, has certain security risk.
CN204601969U proposes a kind of odor removal removing high concentration foul gas and VOC waste gas, bag
Include the vacuum-ultraviolet light reative cell being sequentially connected with and load in mixture filter tower with carbon manganese;Wherein, described vacuum-ultraviolet light reative cell
For one or more parallel connections, it include a reaction inner chamber and with the air inlet of this reaction inner space and air outlet,
Described air inlet is connected with supply end;Described carbon manganese loads in mixture filter tower and includes a tower body and the filter tower connected with this tower body
Import and filter tower outlet, the outlet of described filter tower connects with discharge end, and described air outlet is connected with filter tower import.
The wavelength of the VUV lamp group of wherein said VUV reative cell is 185nm, or is that 185nm and 254nm combines, shape
Becoming an intensive effective ultraviolet region, this reative cell provides enough response time 3~4 seconds, makes stench organic gas
At reaction inner chamber rapid oxidation.It is no matter the foul gas of high concentration or low concentration, when entering light incidence section, can quilt
Irradiate and by Quick Oxidation, it is to avoid gas ease is escaped or short circuit, and effective clearance is up to 99% comprehensively.This technique is purple
Outer light has a stronger radiation, and is easily caused discharge gas ozone concentration and exceeds standard.
CN101898084B proposes multi-component stink exhaust gas biological purifying method, uses at two-stage biological purification
Reason, waste gas is first passed through biological bubble tower, is then processed by biological filtering tower combined working, the tail gas after two-stage biological process
Discharge, described biological bubble tower uses the microbial inoculum containing microbial cells, the waste gas spray by bubble tower
With microbial inoculum malodor components in blistering reaction district purified treatment waste gas, the nozzle of bubble tower after mouth dispersion
For bubbling pulse valve structure.Bubble absorbing tower uses mycetome absorbing liquid, not only can purify hydrogen sulfide and organic
Sulfide, it is also possible to the Ammonia alkalescence waste gas component in chemical absorbing waste gas, enhances clean-up effect, has simultaneously
There is operating flexibility advantage big, impact-resistant, it is ensured that the normal table operation of subsequent bio filter tower.Microorganism takes off
VOCs technique controlling difficulty is big, has microorganism discharging of waste liquid, and can not effectively remove all VOCs.
CN100496678 proposes a kind of comprehensive purifying method of foul waste gas, by enterprises such as oil refining, chemical industry
The foul waste gas in multiple source is classified by VOC concentration: high VOC concentration waste gas and low VOC concentration waste gas.
Low concentration VOC waste gas first washs, and then carries out adsorption cleaning, tail gas qualified discharge;Waste water after washing
Enter sewage farm to process.Desorption and regeneration gas mixes with high concentration VOC waste gas and carries out concentration homogenizing-burning and purify
Process.This technique increases the difficulty of sewage disposal, and flow process is complicated, and investment is big.
CN104028066A proposes a kind of VOCs exhaust gas treatment method and device, device mainly by air inlet,
Pretreater, airduct, fire resisting damper, demister, VOCs density monitoring system, plasma purifier, temperature
Observing and controlling warning system, blower fan, rotating stream tray scrubber, aiutage, blast cap are constituted.In the method, industry VOCs
Waste gas enters pretreater after collecting.Pretreater uses clear water to lower the temperature waste gas, dust removal process.In advance
After process, waste gas is through entering plasma purifier except mist, produces high activity particle in plasma purifier, with
VOCs molecule in waste gas reacts, and is finally degraded to carbon dioxide and water.Partial organic substances is at plasma
In body the most degradable, generate small molecular organic acid and aerosol.Waste gas is again after alkali liquor absorption in rotating stream tray scrubber
Remove secondary pollution.This technique has high concentrated organic wastewater to discharge, and investment is big, and operating cost is high.
Refinery device stench class uncontrollable discharge gas has certain particularity, as many in source, pollutant kind is complicated,
Containing high concentration H2The features such as S gas, need special technology to process.The alkali washing process used at present is only
H can be removed2The sulfur-containing compounds such as S, it is impossible to effectively remove organic component, and produce new garbage;Due to
Source is the most, needs multiple spot to arrange processing system, and investment operating cost is high;Directly burning process is only by H2S
Change into SO2, and do not solve SO2Pollution problem;In high concentration foul gas, sulfur can make catalytic oxidation technique
Catalysqt deactivation.In sum, current method is used all cannot effectively to process VOCs foul gas.
Summary of the invention
It is an object of the present invention to provide the integral treatment method of a kind of refinery device stench VOCs gas, should
Method can not only process the VOCs gas of complicated ingredient effectively, it is also possible to remove sulfur-bearing, nitrogen etc. has simultaneously
Evil element waste gas, it is achieved the qualified discharge of refinery device uncontrollable discharge gas.
For achieving the above object, the technical solution used in the present invention is: a kind of refinery device stench VOCs gas
Integral treatment method, including VOCs gas gathering system, burning and WHRS and the ammonia process of desulfurization
System, three described systems are sequentially connected.Gas gathering system include storage tank (Residual Oil Tank, intermediate products tank,
Sour water tank) draw pipeline, gold jet vacuum pump, circulating pump, knockout drum and surge tank.Storage tank is drawn
Pipeline is connected with the driving fluid entrance of gold jet vacuum pump;The working fluid of described gold jet vacuum pump
Entrance is connected with circulating-pump outlet, and fluid-mixing outlet is connected with knockout drum;Described pump entry with
The liquid outlet of gas-liquid separation device connects;The gas outlet of described gas-liquid separation device is connected with surge tank.
Burn and WHRS, including spark arrester, burn unit and waste heat recovery unit.Described back-fire relief
Device is connected with burning unit entrance, prevents the flame burning unit from scurrying in air storage surge tank, flammable in the tank that ignites
VOCs gas, causes security incident;Described burns unit entrance except being passed through the VOCs in air storage surge tank
Outside gas, being also passed through combustion-supporting gas and air, VOCs gas, foul gas burn in burning unit,
Incineration temperature is 800~1000 DEG C;Described waste heat recovery unit is positioned at burning unit rear portion, is used for reclaiming profit
With the heat of high temperature incineration flue gas, described burning unit can be thermal incinerator or heat accumulation type thermal oxidation stove
(RTO)。
Storage tank top is respectively mounted piezometer, pressure in real-time monitoring of tank, and two schemes can be taked VOCs
Gas injection flow is implemented to control.Scheme one ejector pump entrance installs regulation valve, according to pressure inside the tank output regulation
The control signal of valve opening, scheme two, according to the control signal of pressure inside the tank output pump flow, finally realizes
VOCs gas injection flow is controlled, maintains pressure-fired in storage tank.
Incineration flue gas is existing discharge, SO in neat stress after ammonia method desulfurizing system2Concentration is less than 50mg/Nm3, sulfur
Ammonium product.
Beneficial effects of the present invention: refinery factory is comprised H2S is at interior Various Complex composition and the VOCs in source
Gas associating processes, and simplifies technological process, reduces equipment investment;The H of volatilization in sour water tank2S、VOCs
Concentration is higher, can do combustion-supporting gas when other VOCs gas heating power burns, reduce fuel gas consumption;Useless
The amount of heat of the recyclable incineration flue gas of heat recovery units, reduces the operating cost of exhaust-gas treatment.The present invention is not
It is only capable of the VOCs gas effectively processing complicated ingredient, it is also possible to remove the harmful element such as sulfur-bearing, nitrogen simultaneously
Waste gas, it is achieved the qualified discharge of refinery device uncontrollable discharge gas, the liquid jet drawing pipeline and employing is true
The safety of empty pump is good.;Have that technological process is simple, equipment investment and feature, the present invention such as operating cost is low
Other feature and advantage be described in detail combining accompanying drawing in detailed description of the invention part subsequently.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of specific embodiments of the present invention one, and Fig. 2 is showing of specific embodiments of the present invention two
It is intended to.Wherein,
1. air;2. fuel gas;3. stop valve;4. piezometer;5. circulating pump;6. gas-liquid separation device;7. section
Only valve;8. piezometer;9. gold jet vacuum pump;10. Residual Oil Tank;11. stop valves;12. piezometers;
13. gold jet vacuum pump;14. intermediate products tanks;15. circulating pumps;16. piezometers;17. sour water tanks;
18. stop valves;19. gold jet vacuum pump;20. circulating pumps;21. gas-liquid separation devices;22. gas-liquids are divided
From device;23. surge tanks;24. spark arresters;25. incinerators;26. waste heat boilers;27. liquefied ammonia;28. is empty
Gas;29. absorption towers;System after 30. sulfur ammoniums;31. sour water air-lift devices;32. sulfur recovery units.
Detailed description of the invention
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, with following
Detailed description of the invention be used for explaining the present invention together, but be not intended that limitation of the present invention.
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.It should be appreciated that herein
Described detailed description of the invention is merely to illustrate and explains the present invention, is not limiting as the present invention.
From accompanying drawing 1 it can be seen that the invention provides at the integration of a kind of refinery device stench VOCs gas
Reason method, including VOCs gas gathering system, burning and WHRS and ammonia method desulfurizing system.Three
System is sequentially connected.
Gas gathering system include storage tank (Residual Oil Tank, intermediate products tank, sour water tank), gold jet vacuum pump,
Circulating pump, knockout drum and surge tank.Storage tank is connected with the driving fluid entrance of gold jet vacuum pump;Institute
The Working-fluid intaking of the gold jet vacuum pump stated is connected with circulating-pump outlet, and fluid-mixing outlet divides with gas-liquid
Connect from tank;Described pump entry is connected with the liquid outlet of gas-liquid separation device;Described gas-liquid separation
The gas outlet of device is connected with surge tank;
Burn and WHRS, including spark arrester, burn unit and waste heat recovery unit.Described back-fire relief
Device is connected with burning unit entrance, prevents the flame burning unit from scurrying in air storage surge tank, flammable in the tank that ignites
VOCs gas, causes security incident;Described burns unit entrance except being passed through the VOCs in air storage surge tank
Outside gas, being also passed through combustion-supporting gas and air, VOCs gas, foul gas burn in burning unit,
Incineration temperature is 800~1000 DEG C;Described waste heat recovery unit is positioned at burning unit rear portion, is used for reclaiming profit
With the heat of high temperature incineration flue gas, described burning unit can be thermal incinerator or heat accumulation type thermal oxidation stove
(RTO)。
Storage tank top is respectively mounted piezometer, pressure in real-time monitoring of tank, and two schemes can be taked VOCs
Gas injection flow is implemented to control.Scheme one ejector pump entrance installs regulation valve, according to pressure inside the tank output regulation
The control signal of valve opening, scheme two, according to the control signal of pressure inside the tank output pump flow, finally realizes
VOCs gas injection flow is controlled, maintains pressure-fired in storage tank.
Embodiment one:
Certain refinery device sour water tank, intermediate products tank, Residual Oil Tank are according to accompanying drawing 1 the process development VOCs process
System, the volume of three storage tanks is 5000m3, and pressure all controls as 15kPag.Sour water tank is discharged
150Nm3/ h foul gas, wherein H2S concentration is 42100mg/Nm3, NMHC concentration is
41300mg/Nm3(with methanometer);Residual Oil Tank discharges foul gas 200Nm3/ h, wherein H2S concentration is
2000mg/Nm3, NMHC concentration is 38000mgN/m3;Foul gas discharged by intermediate products tank
200Nm3/ h, wherein H2S concentration is 1270mg/Nm3, NMHC concentration is 41600mg/Nm3(with
Methanometer).Above-mentioned gas is passed through air storage surge tank after gas-liquid separation device, and pressure inside the tank controls to be 8kPa,
Then entering burning unit by spark arrester to carry out burning reaction, be passed through combustion-supporting gas and air, incineration temperature is
925 DEG C, by-product 4.1MPag middle pressure steam 5.2t/h.Incineration flue gas discharges after ammonia method desulfurizing system, clean cigarette
SO in gas2Concentration is 35mg/Nm3, ammonium sulfate products 0.03t/h can be produced.
Embodiment two:
In refinery factory, existing sour water stripping (SWS) device, sulfur recovery facility, burning and WHRS and ammonia process take off
Sulfur system, the process development VOCs processing system as shown in accompanying drawing 2.The volume of sour water tank is 4600m3,
Intermediate products tank, the volume of Residual Oil Tank are 4800m3, the pressure of three storage tanks all controls as 14kPa.Acid
120Nm discharged by water pot3/ h foul gas, wherein H2S concentration is 31200mg/Nm3, NMHC concentration
For 28000mg/Nm3(with methanometer);Residual Oil Tank discharges foul gas 100Nm3/ h, wherein H2S concentration
For 800mg/Nm3, NMHC concentration is 25000mg/Nm3(with methanometer);Intermediate products tank is discharged
Foul gas 165Nm3/ h, wherein H2S concentration is 650mg/Nm3, NMHC concentration is
22600mg/Nm3(with methanometer).Above-mentioned gas is passed through air storage surge tank, tank after gas-liquid separation device
Interior Stress control is 6kPa.And to have Sulfur Recovery Unit exhaust flow be 20314Nm3/ h, wherein H2S concentration
For 10116mg/m3.The VOCs gas that above-mentioned Claus tail gases is discharged with air storage surge tank passes through resistance after merging
Firearm enters burning unit to carry out burning reaction, uses natural gas to make combustion-supporting gas, and flow is 1200m3/ h, burns
Burning temperature is 800 DEG C, by-product 4.1MPag middle pressure steam 16.8t/h.Incineration flue gas is through ammonia method desulfurizing system heel row
Put, SO in neat stress2Concentration is 50mg/Nm3, ammonium sulfate products 1.1t/h can be produced.
The above, only the application preferably detailed description of the invention, but the protection domain of the application does not limit to
In this, any those familiar with the art, in the technical scope that the application discloses, can readily occur in
Variations and alternatives, all should contain within the protection domain of the application.Therefore, the protection domain of the application should
Should be as the criterion with scope of the claims.
Claims (4)
1. the integrated treatment unit of a refinery device stench VOCs gas, it is characterised in that: include VOCs collection and confinement of gases
System, burning and WHRS and ammonia method desulfurizing system, and above three system is sequentially connected;Described VOCs
Gas gathering system includes gold jet vacuum pump, circulating pump, knockout drum and surge tank;Collection includes residual oil
The VOCs gas that tank, intermediate products tank, the refinery storage tank of sour water tank distribute, the VOCs gas of described refinery storage tank
Body outlet is connected with the driving fluid entrance of gold jet vacuum pump;The workflow of described gold jet vacuum pump
Body entrance is connected with circulating-pump outlet, and fluid-mixing outlet is connected with knockout drum;Described pump entry with
The liquid outlet of gas-liquid separation device connects;The gas outlet of described gas-liquid separation device is connected with surge tank;Burn
Burn and WHRS includes spark arrester, burns unit and waste heat recovery unit;Described spark arrester is single with burning
Unit's entrance connects, and prevents the flame burning unit from scurrying in air storage surge tank.
The method that integrated treatment unit the most according to claim 1 carries out processing, it is characterised in that: collect and include slag
The VOCs gas that oil tank, intermediate products tank, the refinery storage tank of sour water tank distribute, the VOCs of described refinery storage tank
Gas outlet is connected with the driving fluid entrance of gold jet vacuum pump;The work of described gold jet vacuum pump
Fluid intake is connected with circulating-pump outlet, and fluid-mixing outlet is connected with knockout drum;Described pump entry
It is connected with the liquid outlet of gas-liquid separation device;The gas outlet of described gas-liquid separation device is connected with surge tank;
Described burning unit entrance, in addition to the VOCs gas being passed through in air storage surge tank, is also passed through combustion-supporting gas and air,
VOCs gas, foul gas burn in burning unit, and incineration temperature is 800~1000 DEG C;Described used heat
Recovery unit is positioned at burning unit rear portion, for recycling the heat of high temperature incineration flue gas, described burning unit
For thermal incinerator or heat accumulation type thermal oxidation stove (RTO).
Integral treatment method the most according to claim 2, it is characterised in that: described refinery storage tank top is respectively mounted
Piezometer, in real time monitoring refinery tank inner pressure, and can take two schemes that VOCs gas injection flow is implemented control
System;Scheme one ejector pump entrance installs regulation valve, according to the control signal of pressure inside the tank output control valve opening, side
Case two is according to the control signal of pressure inside the tank output pump flow, and VOCs gas injection flow is carried out by final realization
Control, maintain pressure-fired in storage tank.
Integral treatment method the most according to claim 2, it is characterised in that: incineration flue gas is after ammonia method desulfurizing system
Now discharge, SO in neat stress2Concentration is less than 50mg/Nm3, ammonium sulfate products.
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