CN204746052U - Hydrogen sulfide desorption system based on photochemistry free radical - Google Patents
Hydrogen sulfide desorption system based on photochemistry free radical Download PDFInfo
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- CN204746052U CN204746052U CN201520245233.8U CN201520245233U CN204746052U CN 204746052 U CN204746052 U CN 204746052U CN 201520245233 U CN201520245233 U CN 201520245233U CN 204746052 U CN204746052 U CN 204746052U
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Abstract
The utility model relates to a hydrogen sulfide desorption system based on photochemistry free radical, the system adopt ultraviolet ray radiolysis peroxide to produce hydroxyl or the sulfate radical of strong oxidizing property as the oxidant of hydrogen sulfide, hydrogen sulfide in striking bed in the oxidation desorption flue gas. The partial flue gas that comes from the combustor mixes the back with some peroxide solution and is spouted into the striking bed by high -speed nozzle, is then spouted into the striking bed to the high -speed nozzle who arranges by the coaxial pair after another part flue gas mixes with another part peroxide solution, and two strands of atomizing gas -liquid mixture things take place the subtend striking in the striking bed mixes. Ultraviolet ray radiolysis peroxide produces hydroxyl or sulfate radical oxidation desorption hydrogen sulfide, and the sulfuric acid solution of reaction production gets into afterbody neutralizing tower ammonifying and generates ammonium sulfate, then gets into the solid -state ammonium sulfate fertilizer of evaporation crystallization tower production. This system has extremely strong oxidability, can realize 100% desorption rate, and the subtractive process does not have secondary pollution, has wide application prospect.
Description
Technical field
The utility model relates to combustion product gases Environmental capacity field, is specifically related to a kind of hydrogen sulfide removal system based on photochemistry free radical.
Background technology
Hydrogen sulfide in raw material of industry Qi ﹑ industrial waste gas and garbage incinerating tail gas is a kind of high irritating hypertoxic gas, is one of atmosphere pollution.Under aerobic and wet heat condition, hydrogen sulfide not only can cause equipment corrosion and catalyst poisoning, also can serious threat personal safety.Along with the fast development of economy and the raising of people's environmental consciousness, in tail gas, hydrogen sulfide stripping problem more and more receives the concern of people.Country has also formulated the discharge of corresponding laws and regulations to hydrogen sulfide and has done strict restriction simultaneously.The efficient removal technology of research and development hydrogen sulfide has become the hot issue paid close attention to countries in the world.
In the past few decades, domestic and international researcher has made large quantifier elimination to hydrogen sulfide stripping problem in waste gas and has developed many hydrogen sulfide stripping methods.According to the dry wet form of subtractive process, waste gas hydrogen sulfide stripping method can be divided into dry method and the large class of wet method two substantially.Dry method is the reproducibility and the combustibility that utilize hydrogen sulfide, carrys out desulfurization or directly burn with fixed oxygen agent or absorbent.The method comprises Claus method, non-renewable ADSORPTION IN A FIXED BED method, membrane separation process, sieve method, pressure-variable adsorption (PSA) method, low temperature processing etc.Desulfurizer therefor, catalyst mainly contain active carbon, iron oxide, zinc oxide, manganese dioxide and bauxite etc., the resources such as general recyclable sulphur, sulfur dioxide, sulfuric acid and sulfate.Dry removal process efficiency, compared with high but have that equipment investment is large, desulfurizing agent needs super regeneration and the deficiency such as sulfur capacity is low, is generally suitable for the meticulous desulfurization of gas.Although Claus method may be used for removing of high-concentration hydrogen sulfide, there is the deficiencies such as removal efficiency difference.
Wet method removing sulfuldioxide can be divided into chemical absorption method, Physical Absorption method, physical chemistry absorption process and wet oxidation process according to removal mechanism.Chemical absorption method utilizes the reversible reaction occurred between hydrogen sulfide and chemical solvent to remove hydrogen sulfide.Common method comprises amine method, hot carbonate method and ammonia process etc.Physical Absorption method utilizes different component dissolubility difference and remove hydrogen sulfide in specific solvent, then separates out hydrogen sulfide and absorbent regeneration by measures such as step-down flash distillations.Conventional physical solvent process comprises low-temp methanol method, polyglycol dimethyl ether process, N methylpyrrolidone process etc.Physical chemistry absorption process is that make it have the characteristic of two kinds of solvents concurrently, its Typical Representative is sulfone amine method by physical solvent and chemical solvent mixing.Wet oxidation process refers to and adopts oxidant to be that elemental sulfur or sulfuric acid solution reclaim by Oxidation of Hydrogen Sulfide.According to the difference of oxidation mechanism, wet oxidation process mainly can be divided into iron-based, vanadium base etc. for the catalytic oxidation of representative and the direct oxidation method that is representative with hydrogen peroxide, potassium permanganate etc.At present, also there is a lot of problem in hydrogen sulfide wet method removing process, and the various organic absorbent of such as new synthesis or oxidant Jia Ge Gao ﹑ performance Bu Wen are Dinged ﹑ and even also had toxicity.The oxidant reaction processes such as potassium permanganate can produce complicated accessory substance, cause product utilization difficulty.Although the clean environmental protection of the oxidants such as hydrogen peroxide, oxidation efficiency is very low, causes subtractive process cannot meet the environmental requirement of increasingly stringent.
In sum, also do not have a kind of Wen to determine Ke Kao ﹑ economical and effective at present, and be suitable for the technique of middle low concentration gas hydrogen sulfide stripping.Therefore, while improving existing removing sulfuldioxide, the new waste gas hydrogen sulfide stripping technology of active development economical and efficient has most important theories and realistic meaning.
Summary of the invention
The utility model relates to a kind of hydrogen sulfide removal system based on photochemistry free radical, described method adopts ultraviolet radiation decompose hydroperoxide to produce the hydroxyl of strong oxidizing property or potentiometric titrations as the oxidant of hydrogen sulfide, clashing into the pernicious gas hydrogen sulfide in bed in oxidation removal flue gas.
The utility model adopt the course of reaction of method and principle as follows:
As shown in Figure 1, adopt electron spin resonance kaleidophon can be measured in ultraviolet radiation hydrogen peroxide solution system and create hydroxyl radical free radical.Therefore, first ultraviolet radiation decomposition of hydrogen peroxide is release the hydroxyl radical free radical with strong oxidizing property, and detailed process can represent with following chemical reaction (1):
H
2O
2+UV→2·OH(1)
As shown in Figure 2, adopt electron spin resonance kaleidophon can be measured in ultraviolet radiation ammonium persulfate system and create sulfate radical and hydroxyl radical free radical.Therefore, first ultraviolet radiation decomposes persulfate is release the sulfate radical and hydroxyl radical free radical with strong oxidizing property, and detailed process can represent with following chemical reaction (2) and (3):
Sulfate radical and the hydroxyl radical free radical of the strong oxidizing property produced can by the hydrogen sulfide in flue gas, oxidation removal:
2·OH+H
2S→H
2SO
4+H
2O(4)
The sulfuric acid solution that reaction produces can be used as the raw material of industry and recycles.Such as, producing ammonium sulfate by adding ammonia neutralisation of sulphuric acid, obtaining the solid-state ammonium sulfate that can be used for agricultural fertilizer after utilizing residual heat from boiler fume evaporative crystallization, whole demercuration process non-secondary pollution.
For realizing the object removing hydrogen sulfide, according to above-mentioned principle, the technical solution adopted in the utility model is as follows:
Based on a hydrogen sulfide removal system for photochemistry free radical, described in remove system and be provided with combustion and burn device ﹑ wind machine ﹑ flue-gas temperature and adjust joint device ﹑ to clash into bed ﹑ circulating pump one and circulating pump two ﹑ oxidant adds tower and adds in liquid pump ﹑ cigarette chimney ﹑ and tower ﹑ evaporating and crystallizing tower and smoke waste heat utilization system; The top of described shock bed is provided with demister, the flue gas that is cleaned is passed into chimney by outlet e and entered air after clashing into the demister demist of bed top; The inside of clashing into bed is respectively equipped with at least one group of uviol lamp and high speed nozzle, and described shock bed outlet at bottom is provided with valve;
Described burner is communicated with flue-gas temperature adjuster entrance by flue, outlet two flues of flue-gas temperature adjuster, two described flues spray into shock bed through entrance c by high speed nozzle by high speed nozzle and circulating pump two once entrance b respectively by circulating pump; Described high speed nozzle subtend on shock bed inwall is arranged; The bottom of clashing into bed sidewall is provided with entrance a, and described entrance a adds tower be communicated with by adding liquid pump and oxidant, and described peroxide solutions passes into shock bed bottom through entrance a by adding liquid pump;
Clash into bed bottom valve and connect neutralizing tower by pipeline, the sulfuric acid solution that reaction produces enters afterbody neutralizing tower ammonification generation ammonium sulfate by exporting d, described neutralizing tower is connected with evaporating and crystallizing tower by pipeline, and described ammonium sulfate utilizes smoke waste heat utilization system evaporative crystallization to produce solid-state ammonium sulfate fertilizer in evaporating and crystallizing tower.
Peroxide solutions passes into shock bed bottom through entrance a by adding liquid pump.From the sulfide hydrogen flue gas of combustor exit after the temperature adjustment of flue-gas temperature adjuster, after partial fume mixes with part peroxide solutions, spray into shock bed by entrance b by high speed nozzle by solution circulation pump one.Shock bed is sprayed into by entrance c by high speed nozzle by solution circulation pump two after another part flue gas mixes with another part peroxide solutions.Subtend impingement mix is there is in the gas-liquid mixture of two bursts of atomizations in shock bed.Peroxide in ultraviolet radiation decomposing solution produces hydroxyl or potentiometric titrations oxidation removal hydrogen sulfide, the sulfuric acid solution that reaction produces enters afterbody neutralizing tower ammonification generation ammonium sulfate by exporting d, then enters evaporating and crystallizing tower and utilizes smoke waste heat utilization system evaporative crystallization to produce solid-state ammonium sulfate fertilizer.The flue gas be cleaned is passed into chimney by outlet e and is entered air after clashing into the demister demist of bed top.
High speed nozzle in shock bed and ultraviolet lamp tube all adopt multi-stage cross to arrange; High speed nozzle layout alternate with ultraviolet lamp tube, and adjacent high speed nozzle and ultraviolet lamp tube adopt and arrange in the same way.Vertical interval H between high speed nozzle adjacent two layers is between 20cm-100cm, and adjacent two-stage adopts 90 degree of arranged crosswise staggered.Ultraviolet lamp tube is arranged in the central spot between adjacent two-stage high speed nozzle, and same employing 90 degree of arranged crosswise staggered.
Circulating pump one and circulating pump two must have identical power and flow, and the coaxially arranged high speed nozzle of subtend must have identical Xing ﹑ rate of discharge and flow velocity, to ensure that two strands of airflow collision equalization points are positioned at reactor centre position.
Clash into the smoke inlet temperature of bed not higher than 70 DEG C, effective liquid-gas ratio is 1L/m
3-15L/m
3, the optium concentration of peroxide is between 0.3mol/L-2.0mol/L, and the pH of solution is between 1.0-7.5, and solution temperature is not higher than 70 DEG C, and the content of sulfureous in flue gas hydrogen is not higher than 2000ppm, and ultraviolet light Net long wave radiation intensity is 30 μ W/cm
2-300 μ W/cm
2, ultraviolet EWL is 170nm-280nm.
Described burner can be any one in Ran coal Guo Lu ﹑ La rubbish Fen Shao Lu ﹑ oil work She Bei ﹑ biomass combustion boiler and linked medical waste incinerator.
Described peroxide is one or more the mixing in Shuan Yang Shui ﹑ Guo Liu Suan An ﹑ sodium peroxydisulfate and potassium peroxydisulfate.
Advantage of the present utility model and remarkable result (with existing Patent Reference):
1. Chinese patent (ZL201310648205.6) proposes a kind of method utilizing ionic liquid to catch hydrogen sulfide, but the method for synthesizing ionic liquid that the method uses is very complicated, and application cost is high, and absorbent properties is unstable, and product separation is difficult.The method that the photochemistry hydroxyl radical free radical that the utility model adopts removes hydrogen sulfide is very simple, and subtractive process is reliable and stable, and application cost is lower.
2. Chinese patent (ZL201310490922.0) proposes one and utilizes sodium carbonate absorbing hydrogen sulphide, and by the removal methods of oxygen recovery and technique, but the method complex process, and the sodium acid carbonate accessory substance containing impurity that reaction produces cannot recycling, and the technique that the utility model proposes is relatively simple, especially the product ammonium sulfate produced is a kind of good agricultural fertilizer, therefore whole subtractive process does not have secondary pollution.
3. Chinese patent (ZL201210075896.0) proposes the hydrogen sulfide stripping Method and process of hydrogen peroxide oxidation absorption and afterbody UF membrane, but the method hydrogen peroxide absorbent oxidability Cha ﹑ removal efficiency used is low, low concentration hydrogen sulphide can only be removed, and the film of afterbody is easily corroded by hydrogen peroxide, cause system cloud gray model expense height ﹑ system reliability poor.The oxidisability of the hydroxyl that the utility model utilizes ultraviolet radiation decomposition to produce or potentiometric titrations is more much better than than hydrogen peroxide, and similar light decomposing system is in the existing successful operation case widely of water treatment field, therefore the operational reliability of native system is higher, technology is mature and reliable more.
4. Chinese patent (ZL201210410079.6) propose a kind of utilize iron system to remove agent catalytic decomposition hydrogen sulfide method and technique, but the method propose to remove agent preparation method very complicated, absorbent stability is not high, need regeneration activating termly, and method described in the utility model does not need to prepare and complicated removes agent and regeneration activating operation, and operational reliability is higher, the continuous operation of feasible system, has better prospects for commercial application.
Accompanying drawing explanation
A kind of general figure of electron spin resonance light (hydrogen peroxide solution) based on photochemistry free radical of Fig. 1.
A kind of general figure of electron spin resonance light (ammonium persulfate solution) based on photochemistry free radical of Fig. 2.
Fig. 3 is the process chart of the utility model system.
Fig. 4 clashes into the structural representation that in bed, high speed nozzle and ultraviolet lamp tube are arranged in the utility model.
Fig. 5 is the structural representation of high speed nozzle.
Detailed description of the invention
As shown in Figure 3, based on a hydrogen sulfide removal system for photochemistry free radical, the equipment that this system adopts mainly contains burner 1, blower fan 2, flue-gas temperature adjuster 3, shock bed 6, demister 7, high speed nozzle 8, ultraviolet lamp tube 9 and quartz socket tube, circulating pump 1 and circulating pump 2 11, valve 12, adds liquid pump 13, peroxide interpolation tower 14, neutralizing tower 15, evaporating and crystallizing tower 5, smoke waste heat utilization system 4 and chimney 16 etc.
As shown in Figure 4, the high speed nozzle 8 in shock bed 6 and ultraviolet lamp tube 9 all adopt multi-stage cross to arrange; High speed nozzle 8 layout alternate with ultraviolet lamp tube 9, and adjacent high speed nozzle and ultraviolet lamp tube adopt 90 degree of arranged crosswise.
As shown in Figure 5, the structural representation of high speed nozzle 8, wherein two high speed nozzles 8 are symmetrical; High speed nozzle 8 comprises hydrogen peroxide solution entrance k and smoke inlet m and jet expansion n, all pass into the entrance of high speed nozzle 8, it is inner that oxygen aqueous solution entrance k and smoke inlet m passes into high speed nozzle 8, after the inner premixed of high speed nozzle 8, sprayed by the outlet n of high speed nozzle 8, described power is provided by circulating pump 1 and circulating pump 2 11.
Peroxide solutions is located at oxidant and is added in tower 14, and the entrance a through clashing into tower 6 passes into shock bed bottom by fluid infusion pump 13; The sulfide hydrogen flue gas discharged from burner 1 is introduced in flue-gas temperature adjuster 2 by blower fan 2, after flue-gas temperature adjuster 2 temperature adjustment, enter two pipelines respectively, after the partial fume in one of them pipeline mixes with part peroxide solutions, spray into shock bed by entrance b by high speed nozzle by solution circulation pump one; Shock bed is sprayed into by entrance c by high speed nozzle by solution circulation pump two after flue gas in another one pipeline mixes with another part peroxide solutions.
Subtend impingement mix is there is in the gas-liquid mixture of two bursts of atomizations in shock bed 6, peroxide in ultraviolet radiation decomposing solution produces hydroxyl or potentiometric titrations oxidation removal hydrogen sulfide, the sulfuric acid solution that reaction produces enters afterbody neutralizing tower 15 ammonification by the outlet d clashing into bed 6 and generates ammonium sulfate, then entering evaporating and crystallizing tower 5 utilizes smoke waste heat utilization system evaporative crystallization to produce solid-state ammonium sulfate fertilizer, the shock outlet d of bed 6 and the pipeline of neutralizing tower 15 are provided with valve 12, the sulfuric acid solution that valve 12 controls the reacted generation of clashing in bed enters aftertreatment systems.
The flue gas be cleaned is passed into chimney 16 by the outlet e clashing into bed 6 and is entered air after clashing into demister 7 demist of bed 6 top.
The smoke inlet temperature that embodiment 1. clashes into bed is 50 DEG C, and liquid-gas ratio is 1.2L/m
3, hydrogen peroxide concentration is 0.3mol/L, and pH value of solution is 2.2, and solution temperature is 50 DEG C, and sulfureous in flue gas hydrogen content is 400ppm, and ultraviolet light Net long wave radiation intensity is 32 μ W/cm
2, ultraviolet EWL is 254nm.Result of the test in small test system is: hydrogen sulfide stripping efficiency reaches 58.7%.
The smoke inlet temperature that embodiment 2. clashes into bed is 50 DEG C, and liquid-gas ratio is 1.2L/m
3, ammonium persulfate concentrations is 0.3mol/L, and pH value of solution is 2.2, and solution temperature is 50 DEG C, and sulfureous in flue gas hydrogen content is 400ppm, and ultraviolet light Net long wave radiation intensity is 32 μ W/cm
2, ultraviolet EWL is 254nm.Result of the test in small test system is: hydrogen sulfide stripping efficiency reaches 48.8%.
The smoke inlet temperature that embodiment 3. clashes into bed is 50 DEG C, and liquid-gas ratio is 3.5L/m
3, hydrogen peroxide concentration is 0.5mol/L, and pH value of solution is 2.2, and solution temperature is 50 DEG C, and sulfureous in flue gas hydrogen content is 400ppm, and ultraviolet light Net long wave radiation intensity is 32 μ W/cm
2, ultraviolet EWL is 254nm.Result of the test in small test system is: hydrogen sulfide stripping efficiency reaches 68.1%.
The smoke inlet temperature that embodiment 4. clashes into bed is 50 DEG C, and liquid-gas ratio is 3.5L/m
3, ammonium persulfate concentrations is 0.5mol/L, and pH value of solution is 2.2, and solution temperature is 50 DEG C, and sulfureous in flue gas hydrogen content is 400ppm, and ultraviolet light Net long wave radiation intensity is 32 μ W/cm
2, ultraviolet EWL is 254nm.Result of the test in small test system is: hydrogen sulfide stripping efficiency reaches 54.5%.
The smoke inlet temperature that embodiment 5. clashes into bed is 50 DEG C, and liquid-gas ratio is 3.5L/m
3, hydrogen peroxide concentration is 1.0mol/L, and pH value of solution is 2.2, and solution temperature is 50 DEG C, and sulfureous in flue gas hydrogen content is 400ppm, and ultraviolet light Net long wave radiation intensity is 32 μ W/cm
2, ultraviolet EWL is 254nm.Result of the test in small test system is: hydrogen sulfide stripping efficiency reaches 76.5%.
The smoke inlet temperature that embodiment 6. clashes into bed is 50 DEG C, and liquid-gas ratio is 3.5L/m
3, ammonium persulfate concentrations is 1.0mol/L, and pH value of solution is 2.2, and solution temperature is 50 DEG C, and sulfureous in flue gas hydrogen content is 400ppm, and ultraviolet light Net long wave radiation intensity is 32 μ W/cm
2, ultraviolet EWL is 254nm.Result of the test in small test system is: hydrogen sulfide stripping efficiency reaches 70.4%.
The smoke inlet temperature that embodiment 7. clashes into bed is 50 DEG C, and liquid-gas ratio is 3.5L/m
3, hydrogen peroxide concentration is between 1.5mol/L, and pH value of solution is 2.2, and solution temperature is 50 DEG C, and sulfureous in flue gas hydrogen content is 400ppm, and ultraviolet light Net long wave radiation intensity is 64 μ W/cm
2, ultraviolet EWL is 254nm.Result of the test in small test system is: hydrogen sulfide stripping efficiency reaches 89.3%.
The smoke inlet temperature that embodiment 8. clashes into bed is 50 DEG C, and liquid-gas ratio is 3.5L/m
3, ammonium persulfate concentrations is 1.5mol/L, and pH value of solution is 2.2, and solution temperature is 50 DEG C, and sulfureous in flue gas hydrogen content is 400ppm, and ultraviolet light Net long wave radiation intensity is 64 μ W/cm
2, ultraviolet EWL is 254nm.Result of the test in small test system is: hydrogen sulfide stripping efficiency reaches 83.1%.
The smoke inlet temperature that embodiment 9. clashes into bed is 50 DEG C, and liquid-gas ratio is 3.5L/m
3, hydrogen peroxide concentration is 2.0mol/L, and pH value of solution is 2.2, and solution temperature is 50 DEG C, and sulfureous in flue gas hydrogen content is 400ppm, and ultraviolet light Net long wave radiation intensity is 96 μ W/cm
2, ultraviolet EWL is 254nm.Result of the test in small test system is: hydrogen sulfide stripping efficiency reaches 100%.
The smoke inlet temperature that embodiment 10. clashes into bed is 50 DEG C, and liquid-gas ratio is 3.5L/m
3, ammonium persulfate concentrations is 2.0mol/L, and pH value of solution is 2.2, and solution temperature is 50 DEG C, and sulfureous in flue gas hydrogen content is 400ppm, and ultraviolet light Net long wave radiation intensity is 96 μ W/cm
2, ultraviolet EWL is 254nm.Result of the test in small test system is: hydrogen sulfide stripping efficiency reaches 100%.
Comprehensive Correlation through above embodiment is known, and embodiment 9 and 10 has best removal effect, and hydrogen sulfide stripping efficiency all reaches 100%, can be used as most preferred embodiment and consults and uses.
Claims (5)
1., based on a hydrogen sulfide removal system for photochemistry free radical, it is characterized in that: described in remove system and be provided with combustion and burn device ﹑ wind machine ﹑ flue-gas temperature and adjust joint device ﹑ to clash into bed ﹑ circulating pump one and circulating pump two ﹑ oxidant adds tower and adds in liquid pump ﹑ cigarette chimney ﹑ and tower ﹑ evaporating and crystallizing tower and smoke waste heat utilization system; The top of described shock bed is provided with demister, the flue gas that is cleaned is passed into chimney by outlet e and entered air after clashing into the demister demist of bed top; The inside of clashing into bed is respectively equipped with at least one group of uviol lamp and high speed nozzle, and described shock bed outlet at bottom is provided with valve;
Described burner is communicated with flue-gas temperature adjuster entrance by flue, outlet two flues of flue-gas temperature adjuster, two described flues spray into shock bed through entrance c by high speed nozzle by high speed nozzle and circulating pump two once entrance b respectively by circulating pump; Described high speed nozzle subtend on shock bed inwall is arranged; The bottom of clashing into bed sidewall is provided with entrance a, and described entrance a adds tower be communicated with by adding liquid pump and oxidant, and peroxide solutions passes into shock bed bottom through entrance a by adding liquid pump;
Clash into bed bottom valve and connect neutralizing tower by pipeline, the sulfuric acid solution that reaction produces enters afterbody neutralizing tower ammonification generation ammonium sulfate by exporting d, described neutralizing tower is connected with evaporating and crystallizing tower by pipeline, and described ammonium sulfate utilizes smoke waste heat utilization system evaporative crystallization to produce solid-state ammonium sulfate fertilizer in evaporating and crystallizing tower.
2. a kind of hydrogen sulfide removal system based on photochemistry free radical according to claim 1, is characterized in that: the high speed nozzle in shock bed and ultraviolet lamp tube all adopt multi-stage cross to arrange, described high speed nozzle layout alternate with ultraviolet lamp tube; Vertical interval H between high speed nozzle adjacent two layers is between 20cm-100cm, and adjacent two-stage adopts 90 degree of arranged crosswise staggered; Ultraviolet lamp tube is arranged in the central spot between adjacent two-stage high speed nozzle, adopts 90 degree of arranged crosswise staggered.
3. a kind of hydrogen sulfide removal system based on photochemistry free radical according to claim 1, it is characterized in that: described circulating pump one and circulating pump two have identical power and flow, the coaxially arranged high speed nozzle of described subtend has identical Xing ﹑ rate of discharge and flow velocity.
4. a kind of hydrogen sulfide removal system based on photochemistry free radical according to claim 3, is characterized in that: described burner is any one in Ran coal Guo Lu ﹑ La rubbish Fen Shao Lu ﹑ oil work She Bei ﹑ biomass combustion boiler and linked medical waste incinerator.
5. a kind of hydrogen sulfide removal system based on photochemistry free radical according to claim 3, it is characterized in that: the flue duct bypass being provided with combustion tower in the evaporating and crystallizing tower of described system afterbody, the fume afterheat of described flue duct bypass provides the heat needed for evaporating and crystallizing tower.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090538A (en) * | 2019-04-17 | 2019-08-06 | 安徽节源环保科技有限公司 | A kind of oxyradical wet process of FGD method of denitration |
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| CN110090538A (en) * | 2019-04-17 | 2019-08-06 | 安徽节源环保科技有限公司 | A kind of oxyradical wet process of FGD method of denitration |
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Granted publication date: 20151111 Termination date: 20160421 |