CN103933835B - Soda acid waste gas electron beam irradiation intelligent processing system - Google Patents
Soda acid waste gas electron beam irradiation intelligent processing system Download PDFInfo
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- CN103933835B CN103933835B CN201410154205.5A CN201410154205A CN103933835B CN 103933835 B CN103933835 B CN 103933835B CN 201410154205 A CN201410154205 A CN 201410154205A CN 103933835 B CN103933835 B CN 103933835B
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Abstract
The invention discloses a kind of soda acid waste gas electron beam irradiation intelligent processing system, it includes spent acid gas collector, salkali waste gas collector, main reactor, precipitator, first gas preheating unit and the second gas preheating unit, electron beam generator and primary response chamber it is provided with in main reactor, the electron beam irradiation end of electron beam generator stretches into primary response intracavity, primary response chamber has spent acid gas inlet, salkali waste gas inlet and gas outlet, the air inlet of the first gas preheating unit is connected with spent acid gas collector by pipeline, and the gas outlet of this first gas preheating unit is connected on the spent acid gas inlet in primary response chamber by pipeline, the air inlet of the second gas preheating unit is connected with salkali waste gas collector by pipeline.The present invention utilizes electron beam irradiation to realize desulfurization effective to waste gas, denitrogenation, it is possible to avoids producing waste liquid, reduces secondary pollution, and generate nitrogenous fertilizer, turn waste into wealth.
Description
Technical field
The present invention relates to a kind of soda acid waste gas electron beam irradiation intelligent processing system, belong to technical field of waste gas treatment.
Background technology
At present, wiring board is the basic industry of electronics industry, wiring board consume in process of production substantial amounts of sulphuric acid, nitric acid,
The chemical drugss such as ammonia, after these medicines use, major part formation sewage is discharged.Easily wave owing to nitric acid, ammonia etc. belong to
Volatile material, in use has part can evaporate in air, becomes atmosphere pollution, it is therefore desirable to be acted upon.
Current is to carry out spray process with aqueous slkali for the processing method that sour gas is universal, although alkali liquor spray facture is easy
Treatment effeciency is high, but produces liquid wastes, easily causes secondary pollution.Ammonia belongs to akaline liquid, and ammonia is very
Soluble in water, use Water spray method or acid solution spray process to be acted upon so the process of ammonia is usually.Same,
This processing method also creates waste liquid to be needed again to be acted upon.Otherwise it is still environmental contaminants.
Summary of the invention
The technical problem to be solved is the defect overcoming prior art, it is provided that a kind of soda acid waste gas electron beam irradiation
Intelligent processing system, it utilizes electron beam irradiation to realize desulfurization effective to waste gas, denitrogenation, it is possible to avoids producing waste liquid, subtracts
Few secondary pollution, and generate nitrogenous fertilizer, turn waste into wealth.
The present invention solves above-mentioned technical problem and adopts the technical scheme that: a kind of soda acid waste gas electron beam irradiation Intelligent treatment system
System, it includes spent acid gas collector, salkali waste gas collector, main reactor, precipitator, the first gas
Preheating device and the second gas preheating unit, be provided with electron beam generator and primary response chamber in main reactor, electron beam occurs
The electron beam irradiation end of device stretches into primary response intracavity, primary response chamber have spent acid gas inlet, salkali waste gas inlet and
Gas outlet, the air inlet of the first gas preheating unit is connected with spent acid gas collector by pipeline, and this first
The gas outlet of gas preheating unit is connected on the spent acid gas inlet in primary response chamber by pipeline, the second pre-hot charging of gas
The air inlet put is connected with salkali waste gas collector by pipeline, and the gas outlet of this second gas preheating unit leads to
Piping is connected on the salkali waste gas inlet in primary response chamber, and the gas outlet in primary response chamber is connected with precipitator,
Precipitator also has cleaning gas discharge outlet and byproduct discharge.
Acid-base reaction balance further for the gas that ensure that primary response intracavity, it is achieved the computer of Acid-base Gas is certainly
Dynamic control fills, and is provided with Acid-base Gas concentration monitoring device, the first described gas at the gas outlet in described primary response chamber
It is communicated with automatic device of adding acid on body preheating device, the second described gas preheating unit is communicated with automatic alkali adding device,
The signal of described Acid-base Gas concentration monitoring device controls end and is connected to automatic alkali adding device and automatic device of adding acid
On.
Further, described automatic device of adding acid includes spent acid reserving liquid tank, acid adding pump and spent acid nebulizer, taking out of acid adding pump
Liquid end is connected with spent acid reserving liquid tank, and the liquid outlet of acid adding pump is connected with spent acid nebulizer, and spent acid nebulizer is arranged on
In one gas preheating unit.
Further, described automatic alkali adding device includes salkali waste reserving liquid tank, adds alkali pump and salkali waste nebulizer, adds taking out of alkali pump
Liquid end is connected with salkali waste reserving liquid tank, and the liquid outlet adding alkali pump is connected with salkali waste nebulizer, and salkali waste nebulizer is arranged on
In two gas preheating units.
Further, described spent acid gas collector and salkali waste gas collector all include gas skirt and air-introduced machine and
Connecting pipeline, the gas skirt of described spent acid gas collector is arranged in acid waste gas workshop, described salkali waste gas
The gas skirt of collection device is arranged in alkalescence waste gas workshop, and one end of two air-introduced machines is respectively by connecting pipeline with corresponding
Gas skirt connect, the air inlet connection of the other end of one of them air-introduced machine and the first corresponding gas preheating unit, separately
The other end of one air-introduced machine connects with the air inlet of the second corresponding gas preheating unit.
Further, described gas preheating unit includes preheating cavity and adding thermoelectric wire, adds thermoelectric wire and is arranged on preheating cavity
Bottom.
Further, between the first described gas preheating unit and spent acid gas inlet, flow control valve is installed, the
Flow control valve is also installed between two gas preheating units and salkali waste gas inlet.
After have employed technique scheme, the present invention has a following beneficial effect:
1, the primary response intracavity of the present invention uses the mode of electron beam irradiation, and it is a kind of anhydrous type dry type exhaust-gas treatment skill
Art, this technology, to waste gas irradiating electron beam, removes the oxysulfide in waste gas, nitrogen oxides simultaneously, and can efficient recovery
Nitrogenous fertilizer, it is achieved desulfurization effective to waste gas, denitrogenation, it is possible to avoid producing waste liquid, reduce secondary pollution, and generate nitrogenous fertilizer,
Turn waste into wealth；
2, the present invention can process spent acid and salkali waste gas simultaneously, it is achieved that the maximizing the benefits of the present invention；
3, the present invention ensure that primary response intracavity gas acid-base reaction balance, the present invention Acid-base Gas concentration prison
Surveying device, this device can pass through computer controlled automatic automatic device of adding acid and automatic alkali adding device, when primary response intracavity
In gas during acid base imbalance, Acid-base Gas concentration monitoring device automatically controls startup automatic device of adding acid or automatic alkali adding
Device, thus keep the acid-base reaction of gas to balance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the soda acid waste gas electron beam irradiation intelligent processing system of the present invention.
Detailed description of the invention
It is clearly understood to make present disclosure be easier to, below according to specific embodiment and combine accompanying drawing, to this
Invention is described in further detail.
As it is shown in figure 1, a kind of soda acid waste gas electron beam irradiation intelligent processing system, it include spent acid gas collector,
Salkali waste gas collector, main reactor 1, precipitator the 2, first gas preheating unit and the pre-hot charging of the second gas
Put, in main reactor 1, be provided with electron beam generator 1-1 and primary response chamber 1-2, the electron beam spoke of electron beam generator 1-1
Stretching in the 1-2 of primary response chamber according to end, primary response chamber 1-2 has spent acid gas inlet 1-2-1, salkali waste gas inlet
1-2-2 and gas outlet 1-2-3, the air inlet of the first gas preheating unit is connected with spent acid gas collector by pipeline,
And the gas outlet of this first gas preheating unit is connected to the spent acid gas inlet of primary response chamber 1-2 by pipeline
On 1-2-1, the air inlet of the second gas preheating unit is connected with salkali waste gas collector by pipeline, and this
The gas outlet of two gas preheating units is connected on the salkali waste gas inlet 1-2-2 of primary response chamber 1-2 by pipeline, main
The gas outlet of reaction chamber 1-2 is connected with precipitator 2, and precipitator 2 also has cleaning gas discharge outlet 2-1
With byproduct discharge 2-2.Using the mode of electron beam irradiation in the primary response chamber 1-2 of the present invention, it is a kind of anhydrous type
Dry type exhaust gas treatment technology, this technology, to waste gas irradiating electron beam, removes the oxysulfide in waste gas, nitrogen oxides simultaneously,
And energy efficient recovery nitrogenous fertilizer, it is achieved desulfurization effective to waste gas, denitrogenation, it is possible to avoid producing waste liquid, reduce secondary pollution,
And generate nitrogenous fertilizer, turn waste into wealth；It addition, the present invention can process spent acid and salkali waste gas simultaneously, it is achieved that the present invention
Maximizing the benefits；
In order to the acid-base reaction balance of the gas ensured in the 1-2 of primary response chamber, as it is shown in figure 1, primary response chamber 1-2
Gas outlet at be provided with Acid-base Gas concentration monitoring device 3, the first gas preheating unit is communicated with automatic device of adding acid,
Being communicated with automatic alkali adding device on second gas preheating unit, the signal of described Acid-base Gas concentration monitoring device 3 controls
End is connected on automatic alkali adding device and automatic device of adding acid.The Acid-base Gas concentration monitoring device 3 of the present invention, should
Device can Comprehensive Control automatic device of adding acid and automatic alkali adding device, when acid base imbalance in gas in the 1-2 of primary response chamber
Time, Acid-base Gas concentration monitoring device 3 automatically controls startup automatic device of adding acid or automatic alkali adding device, thus keeps
The acid-base reaction balance of gas.
Automatic device of adding acid includes spent acid reserving liquid tank 4, acid adding pump 5 and spent acid nebulizer 6, the liquid pumping side of acid adding pump 5 with
Spent acid reserving liquid tank 4 is connected, and the liquid outlet of acid adding pump 5 is connected with spent acid nebulizer 6, and spent acid nebulizer 6 is arranged on
In first gas preheating unit.
Automatic alkali adding device includes salkali waste reserving liquid tank 7, adds alkali pump 8 and salkali waste nebulizer 9, add the liquid pumping side of alkali pump 8 with
Salkali waste reserving liquid tank 7 is connected, and the liquid outlet adding alkali pump 8 is connected with salkali waste nebulizer 9, and salkali waste nebulizer 9 is arranged on
In second gas preheating unit.
Spent acid gas collector and salkali waste gas collector all include gas skirt 10 and air-introduced machine 11 and connect pipeline
12, the gas skirt 10 of spent acid gas collector is arranged in acid waste gas workshop, the gas collection of salkali waste gas collector
Cover 10 is arranged in alkalescence waste gas workshop, and one end of two air-introduced machines 11 is respectively by connecting pipeline 12 and corresponding collection
Gas hood 10 connects, and the other end of one of them air-introduced machine 11 connects with the air inlet of the first corresponding gas preheating unit,
The other end of another air-introduced machine 11 connects with the air inlet of the second corresponding gas preheating unit.
Being provided with flow control valve 13 between first gas preheating unit and spent acid gas inlet 1-2-1, the second gas is pre-
Between thermal and salkali waste gas inlet 1-2-2, flow control valve 13 is also installed.
First gas preheating unit and the second gas preheating unit all include preheating cavity 14 and adding thermoelectric wire 15, add thermoelectricity
Silk 15 is arranged on the bottom of preheating cavity 14.
Described gas skirt 10, air-introduced machine 11, pipeline, acid adding pump 5, add alkali pump 8, spent acid reserving liquid tank 4, spent acid atomization
Device 6, salkali waste reserving liquid tank 7, salkali waste nebulizer 9 and primary response chamber 1-2 etc. all corrode material manufacture with acid-fast alkali-proof.
The waste gas reaction mechanism of the present invention is as follows:
(1) generation of free radical
Containing nitrogen (N in waste gas2), oxygen (O2), steam (H2O), carbon dioxide (CO2) etc. main component and
The trace harmful gases such as SOx, NOx composition, so when electron beam irradiation waste gas, the big portion of energy of electron beam by nitrogen,
Oxygen, steam are absorbed, and generate the free radical being rich in chemical reactivity.
N2, O2, H2O+e → OH, O, HO2, N
(2) SO2And NOXOxidation generates acid
SO in waste gas2And NOx is reacted with the free radical generated by electron beam irradiation, it is oxidized to sulphuric acid respectively
(H2SO4) and nitric acid (HNO3).
SO2+O·→SO3, SO3+H2O→H2SO4；
SO2+OH·→HSO3, HSO3+OH·→H2SO4；
NO+O·→NO2, NO2+OH·→HNO3；
NO+HO2·→NO2, NO2+OH·→HNO3；
NO2+OH·→HNO3；
(3) acid and ammonia react generation ammonium sulfate and ammonium nitrate
Sulphuric acid that previous stage generates and nitric acid and the ammonia (NH brought3) it is neutralized reaction, generate ammonium sulfate respectively
[(NH4)2SO4] and ammonium nitrate (NH4NO3) powder particles.If additionally, remaining has the most unreacted SO2And NH3
Time, carry out thermal chemical reaction, SO at above-mentioned microparticle surfaces2And NH3A part generate ammonium sulfate.
H2SO4+2NH3→(NH4)2SO4
HNO3+NH3→NH4NO3
SO2+2NH3+H2O+1/2O2→(NH4)2SO4
With spent acid gas collector and salkali waste gas collector respectively by sour gas with alkaline gas from production line
Collecting, be respectively fed to corresponding first gas preheating unit and the second gas preheating unit by air-introduced machine 11, gas is pre-
After hot to about 65 DEG C, enter in the primary response chamber 1-2 of main reactor 1, in the 1-2 of primary response chamber, Acid-base Gas
Being sufficiently mixed, by electron beam generator 1-1, after electron beam irradiation, reaction generates powder body nitrogenous fertilizer microgranule, microgranule quilt
Electrostatic dust-collecting device 2 captures periodically to be arranged clearly from byproduct discharge 2-2, and clean gas is arranged by cleaning gas discharge outlet 2-1
Put.
For the equilibrium problem of soda acid waste gas in solution primary response chamber 1-2, spent acid reserving liquid tank and salkali waste reserving liquid tank contain work respectively
Make spent acid, spent lye that production process produces.Acid-base Gas concentration monitor dress it is provided with at the gas outlet of primary response chamber 1-2
Put 3, this system respectively with acid adding pump 5 and add alkali pump 8 and be connected, when acid base imbalance in gas, control system is automatic
Control start acid adding pump 5 or add alkali pump 8, thus keep the acid-base reaction of gas to balance.
Particular embodiments described above, to present invention solves the technical problem that, technical scheme and beneficial effect entered
One step describes in detail, be it should be understood that the specific embodiment that the foregoing is only the present invention, is not limited to
The present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, all should wrap
Within being contained in protection scope of the present invention.
Claims (8)
1. a soda acid waste gas electron beam irradiation intelligent processing system, it is characterised in that: it includes that spent acid collection and confinement of gases fills
Put, salkali waste gas collector, main reactor (1), precipitator (2), the first gas preheating unit and the second gas
Body preheating device, is provided with electron beam generator (1-1) and primary response chamber (1-2) in main reactor (1), electron beam is sent out
The electron beam irradiation end of raw device (1-1) stretches in primary response chamber (1-2), and primary response chamber (1-2) has spent acid gas and enter
QI KOU (1-2-1), salkali waste gas inlet (1-2-2) and gas outlet (1-2-3), the air inlet of the first gas preheating unit
Mouth is connected with spent acid gas collector by pipeline, and the gas outlet of this first gas preheating unit is by pipeline even
Being connected on the spent acid gas inlet (1-2-1) in primary response chamber (1-2), the air inlet of the second gas preheating unit passes through
Pipeline is connected with salkali waste gas collector, and the gas outlet of this second gas preheating unit is connected to main by pipeline
On the salkali waste gas inlet (1-2-2) of reaction chamber (1-2), the gas outlet of primary response chamber (1-2) and precipitator
(2) being connected, precipitator (2) also has cleaning gas discharge outlet (2-1) and byproduct discharge (2-2)；Institute
Acid-base Gas concentration monitoring device (3), the first described gas it is provided with at the gas outlet in the primary response chamber (1-2) stated
It is communicated with automatic device of adding acid on preheating device, the second described gas preheating unit is communicated with automatic alkali adding device, institute
The signal of the Acid-base Gas concentration monitoring device (3) stated controls end and is connected to automatic alkali adding device and automatical dosing dress
Put.
Soda acid waste gas electron beam irradiation intelligent processing system the most according to claim 1, it is characterised in that: described
Automatic device of adding acid include spent acid reserving liquid tank (4), acid adding pump (5) and spent acid nebulizer (6), acid adding pump (5)
Liquid pumping side is connected with spent acid reserving liquid tank (4), and the liquid outlet of acid adding pump (5) is connected with spent acid nebulizer (6),
Spent acid nebulizer (6) is arranged in the first gas preheating unit.
Soda acid waste gas electron beam irradiation intelligent processing system the most according to claim 1, it is characterised in that: described
Automatic alkali adding device include salkali waste reserving liquid tank (7), add alkali pump (8) and salkali waste nebulizer (9), add alkali pump (8)
Liquid pumping side is connected with salkali waste reserving liquid tank (7), and the liquid outlet adding alkali pump (8) is connected with salkali waste nebulizer (9),
Salkali waste nebulizer (9) is arranged in the second gas preheating unit.
Soda acid waste gas electron beam irradiation intelligent processing system the most according to claim 2, it is characterised in that: described
Automatic alkali adding device include salkali waste reserving liquid tank (7), add alkali pump (8) and salkali waste nebulizer (9), add alkali pump (8)
Liquid pumping side is connected with salkali waste reserving liquid tank (7), and the liquid outlet adding alkali pump (8) is connected with salkali waste nebulizer (9),
Salkali waste nebulizer (9) is arranged in the second gas preheating unit.
Soda acid waste gas electron beam irradiation intelligent processing system the most according to claim 1, it is characterised in that: described
Spent acid gas collector and salkali waste gas collector all include gas skirt (10) and air-introduced machine (11) and connect
Pipeline (12), the gas skirt (10) of described spent acid gas collector is arranged in acid waste gas workshop, described
The gas skirt (10) of salkali waste gas collector is arranged in alkalescence waste gas workshop, and one end of two air-introduced machines (11) is divided
Not by connect pipeline (12) with corresponding gas skirt (10) connection, the other end of one of them air-introduced machine (11) and
The air inlet connection of the first corresponding gas preheating unit, the other end of another air-introduced machine (11) and the second corresponding gas
The air inlet connection of body preheating device.
6. according to the soda acid waste gas electron beam irradiation intelligent processing system described in any one of claim 1 to 5, its feature
It is: flow control valve (13) is installed between the first described gas preheating unit and spent acid gas inlet (1-2-1),
Flow control valve (13) is also installed between the second gas preheating unit and salkali waste gas inlet (1-2-2).
7. according to the soda acid waste gas electron beam irradiation intelligent processing system described in any one of claim 1 to 5, its feature
It is: the first described gas preheating unit and the second gas preheating unit all include preheating cavity (14) and adding thermoelectric wire
(15), add thermoelectric wire (15) and be arranged on the bottom of preheating cavity (14).
Soda acid waste gas electron beam irradiation intelligent processing system the most according to claim 6, it is characterised in that: described
The first gas preheating unit and the second gas preheating unit all include preheating cavity (14) and add thermoelectric wire (15), add
Thermoelectric wire (15) is arranged on the bottom of preheating cavity (14).
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| CN201410154205.5A CN103933835B (en) | 2014-04-16 | 2014-04-16 | Soda acid waste gas electron beam irradiation intelligent processing system |
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| CN201410154205.5A CN103933835B (en) | 2014-04-16 | 2014-04-16 | Soda acid waste gas electron beam irradiation intelligent processing system |
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| CN103933835B true CN103933835B (en) | 2016-08-24 |
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| CN107421580B (en) * | 2017-05-27 | 2023-06-02 | 山西大学 | Double-electric-field air locking type electric dust collector testing device |
| CN108499342A (en) * | 2018-03-23 | 2018-09-07 | 登封特卡电子科技有限公司 | A kind of intelligence emission-control equipment |
| CN110180358A (en) * | 2019-07-02 | 2019-08-30 | 苏州仕净环保科技股份有限公司 | A kind of electron beam irradiation processing unit applied to stack gases |
| CN112370952B (en) * | 2020-09-16 | 2022-11-08 | 江苏汇能环境工程有限公司 | Factory-used waste gas desulfurization and denitrification treatment device |
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| DE3877834T2 (en) * | 1987-05-30 | 1993-05-19 | Ebara Corp | METHOD FOR TREATING EXHAUST GAS. |
| JPS6456121A (en) * | 1987-06-01 | 1989-03-03 | Ebara Corp | Process and apparatus for treating waste gas with irradiation of radiant ray |
| JP3361200B2 (en) * | 1994-12-12 | 2003-01-07 | 日本原子力研究所 | Exhaust gas treatment method and equipment for electron beam irradiation |
| CN1114465C (en) * | 1999-12-29 | 2003-07-16 | 宝山钢铁股份有限公司 | Method and device for treating sulphar oxide and nitrogen oxide in fume by electronic beam |
| CN1559651A (en) * | 2004-02-14 | 2005-01-05 | 中国工程物理研究院环保工程研究中心 | Exbaust gas purification method and device by pulse corona dicharging method |
| CN203764103U (en) * | 2014-04-16 | 2014-08-13 | 常州纺织服装职业技术学院 | Intelligent acid-base waste gas electron beam irradiation treatment system |
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