CN208177206U - A kind of processing system of foul gas - Google Patents

A kind of processing system of foul gas Download PDF

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Publication number
CN208177206U
CN208177206U CN201721397614.3U CN201721397614U CN208177206U CN 208177206 U CN208177206 U CN 208177206U CN 201721397614 U CN201721397614 U CN 201721397614U CN 208177206 U CN208177206 U CN 208177206U
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CN
China
Prior art keywords
foul gas
gas
foul
unit
collection
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Expired - Fee Related
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CN201721397614.3U
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Chinese (zh)
Inventor
张作保
钟祥桂
廖勇
朱华丽
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Dongguan Meenen Environment Technology Co Ltd
Fujian Huajiacai Co Ltd
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Dongguan Meenen Environment Technology Co Ltd
Fujian Huajiacai Co Ltd
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Priority to CN201721397614.3U priority Critical patent/CN208177206U/en
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Abstract

The utility model discloses a kind of processing systems of foul gas.Wherein the processing system includes interconnected pretreatment unit, ultraviolet radiation facility, and/or ozone-oxidizing device, and/or catalytic oxidizing equipment, and adsorbent equipment, realize physical method and chemical oxidization method Combined Treatment, and the setting of UV lamp group and the selection of adsorbent material are flexibly controlled according to the concentration of foul gas and type, so that electronics industry waste water station sludge dewatering room or dry computer room odorlessization, innoxious.

Description

A kind of processing system of foul gas
Technical field
The utility model belongs to environment protection field, more particularly to a kind of processing system of foul gas.
Background technique
After Electronics Factory's sludge dewatering computer room generally includes wet mud scratch pool or domestication pool, wet mud dehydration device, dehydration The Treatment of Sludge correlation unit such as wet sludge anhydration and sludge storage bucket.Sludge dewatering computer room sludge stack and drying process in, The foul gas such as hydrogen sulfide, organic sulfur, methyl mercaptan, the ammonia that sludge anaerobic fermentation can generate.Sludge dehydration process is mostly that interval is grasped Make, the foul smell generated when dependent processing unit is stopped work and opened again is particularly acute.General odour concentration is higher around dehydration machine room (following odour concentration is evaluated with concentration of hydrogen sulfide), concentration of hydrogen sulfide is between 0.5~20mg/m3Between.Other positions processing Concentration is lower, and concentration of hydrogen sulfide is between 0.05mg/m3~0.5mg/m3Between.Light pollution and obvious pollution are still fallen within according to regulation Between, especially dehydration machine room ventilation condition and meteorological condition it is bad in the case where, the stink of dehydration machine room is denseer, thus, While seeking optimal gravity-flow ventilation dilution foul gas design, still need to consider and design Deodor and control measure, with battalion Make a good working environment.
Currently, control of offensive odors is varied, but most of is all about dehydrating municipal sludge computer room, pump house, waste water The deodorization stood.Technical research and popularization for the Deodor of Electronics Factory's dehydration machine room is seldom, almost without.In any case, Existing Deodor technology is divided into stench Active Control Method and Deodor passive control methods.Wherein Active Control Method Principle, which is all based on, will adjust and change the waste water treatment process that sludge generates end, but since the type of light power plant effluent is more, technique Complexity, thus cannot just change technique because of stench.So the predominantly passive control of existing dehydration machine room Deodor technique Method is biological odor removal method in the major technique applied and promoted now.
Biological odor removal method by existence form of the microorganism in deodorization device can be divided into biosorption process, biofiltration process and Three kinds of deodorization modes of biological island (smelly method drops in material filling type biology), there are many defects for they, main as follows:
1, single control of offensive odors, low efficiency can not meet operator to operating environment requirements and stench factory circle Discharge standard;
2, it takes up a large area, high investment, operating cost is relatively high;
3, influenced by foul gas load variations it is excessive, so be difficult to establish design standard.Be not suitable for high concentration, strong wind The odor pollution of amount is handled;
4, it is multiple to need to be arranged affiliated facilities, the operational managements such as biological tower slot, nutrient source gambling systems, humidification heat-insulation system Miscellaneous, operating cost is high;
5, it cannot be effectively treated relative complex containing the complexing of the long-chains such as toxic, harmful, difficult to degrade, grease or chelating gas Body.
Utility model content
In view of the defects existing in the prior art, the technical purpose of the utility model be to provide it is a kind of using absorption, ultraviolet light (i.e. UV) radiate photodissociation, ozone oxidation, catalysis oxidation, adsorption combined foul gas processing system, realize physical method and change Oxidizing process Combined Treatment is learned, and flexibly controls setting and the suction type, suction of UV lamp group according to the concentration of foul gas and type The selection of enclosure material.
The processing system of foul gas described in the utility model, comprising: foul gas collects supply unit, for collecting, Convey foul gas;
Foul gas deodorization unit is collected supply unit with the foul gas and is connected to, and for dust removal by filtration ,/humidification/is removed Wet, UV photodissociation, and/or ozone oxidation foul gas, and/or the remaining organic gas of catalysis oxidation and inorganic gas adsorbed The ozone of amount and undegradable gas, with purifying malodorous gas;
Exhaust unit is collected, is connected to foul gas deodorization unit, for the foul gas after collection and purification and outlet;
Control unit is monitored, collect supply unit, foul gas deodorization unit with foul gas and collects exhaust unit company It is logical, for according to monitoring type, the concentration of foul gas come the operating mode of flexible modulation foul gas deodorization unit.
The utility model specifically, collect supply unit and include interconnected collection air hose, collect by the foul gas Air-introduced machine, wherein collection air hose setting is generated in foul gas and processing region, the collection air hose converge foul gas To the collection air-introduced machine, the collection air-introduced machine is connected to collection with the foul gas deodorization unit;The collection exhaust unit Including interconnected discharge air-introduced machine, exhaust tube, the discharge air-introduced machine is connected with the foul gas deodorization unit.
Specifically, the monitoring control unit includes leading portion stink on-line computing model, back segment on-line monitoring to the utility model Instrument, foul gas handle regulating device, and air-introduced machine and the foul gas are being collected in the leading portion stink on-line computing model setting Between deodorization unit, the back segment stink on-line computing model is connected to the collection air-introduced machine;The foul gas processing is adjusted Device controls the inside setting of the ultraviolet radiation facility according to type, the concentration of foul gas is monitored.
Specifically, the foul gas deodorization unit includes interconnected pretreatment unit, ultraviolet spoke to the utility model Injection device, and/or ozone-oxidizing device, and/or catalytic oxidizing equipment and adsorbent equipment;
The pretreatment unit includes the filter device for filtering dust in foul gas, and/or for adjusting stench The humidity control apparatus and/or dosing modifying device of gas humidity;
The ultraviolet radiation facility is used for UV photodissociation ozone gas comprising has several UV lamp groups, catalyst, the UV lamp The wavelength of group is the combination of 385nm, 254nm and 185nm one or more wavelength period, and combination is according to foul gas It is flexibly deployed when concentration and type flexible setting or operation;
The ozone-oxidizing device is for aoxidizing the foul gas through the ultraviolet radiation facility UV photodissociation;
The catalytic oxidizing equipment is used to remaining organic gas and inorganic gas utilizing UV long-wave band ultraviolet catalytic Oxidation is oxidizing;
The adsorbent equipment is for adsorbing excessive ozone and undegradable gas.
Specifically, the filter layer uses activated carbon fibre or molecular sieve filtration to the utility model.
Compared with the existing technology, technical solutions of the utility model have the beneficial effect that:
1) it, efficiently removes stench: can efficiently remove volatile organic matter (VOC) and various foul smells, deodorization efficiency highest can Up to 70~85%;
2), adaptable: can be arranged according to the type and concentration of foul gas come UV lamp group in adjustment system and filtering is inhaled The variation of enclosure material;
3), operating cost is low: this equipment is noiseless without any mechanical action;
4), without secondary pollution: poisonous and harmful substance in foul gas, and the foul gas after decomposing can be thoroughly decomposed, Harmless discharge can be fully achieved, never generation secondary pollution.
Detailed description of the invention
Fig. 1 is the process flow diagram of the processing electronics industry sludge room stink of the utility model.
Specific embodiment
Further statement in detail is made to the utility model below by specific preferred embodiment combination attached drawing, but this is practical It is novel to be not limited in embodiment below.
The system list set processing effluvium scale of construction described in the utility model is >=48000m3/ h, concentration of hydrogen sulfide between 0.5~ 20mg/m3Between.Malodorous gas processing system described in the utility model is suitable for the evil that Electronics Factory's sludge room dewaterer generates Odour, foul gas substantially include H2S、DMF、NH3, VOC etc..
1 malodorous gas processing system of embodiment
As shown in Figure 1, malodorous gas processing system described in the utility model, comprising: foul gas collects supply unit, For collecting, conveying foul gas;Foul gas deodorization unit collects supply unit by collecting air inducing with the foul gas Machine connection, for dust removal by filtration/humidification/dehumidifying/dosing, quenched, UV photodissociation, oxidation foul gas, catalysis oxidation are remaining organic Gas and inorganic gas adsorb excessive ozone and undegradable gas, with purifying malodorous gas;Exhaust unit is collected, with evil Odour deodorization unit is by air hose and discharge air-introduced machine connection, and for the foul gas after collection and purification and outlet is (such as logical Cross exhaust tube outlet);It monitors control unit and is used for the type according to the foul gas monitored, concentration come flexible modulation effluvium The operating mode of body deodorization unit, the monitoring control unit and foul gas collect supply unit, foul gas deodorization unit, And collect exhaust unit connection.
Collect foul gas and need to consider air hose arrangement of features, according to air quantity and the EQUILIBRIUM CALCULATION FOR PROCESS of pressure, using symmetrical or The air hose of asymmetric is arranged, the pressure balance of each foul gas bleeding point is made, and guarantees that malodorous gas processing system stablizes section It can operation.
As shown in Figure 1, the foul gas collect supply unit include interconnected collection air hose, collect air-introduced machine and The auxiliary equipments such as correlate meter, air-valve, pipe support, wherein collection air hose setting is in foul gas generation and processing region, institute It states collection air hose and the foul gas being collected into is collected to the collection air-introduced machine, the collection air-introduced machine and the foul gas Deodorization unit connection;The collection exhaust unit include interconnected discharge air-introduced machine, exhaust tube and correlate meter, air-valve, The auxiliary equipments such as pipe support, the discharge air-introduced machine are connected with the foul gas deodorization unit.
The workflow that the foul gas collects supply unit is: in foul gas generating region, each area of processing Domain is focused on foul gas in collection air-introduced machine by collecting air hose, is connected to the foul gas by collection air-introduced machine and is removed Smelly unit enters collection exhaust unit by air hose after foul gas deodorization unit, and collection is overcome by supercharging device Resistance in air hose, foul gas deodorization unit, to be discharged into atmosphere by exhaust tube clean air is purified.
As shown in Figure 1, the monitoring control unit include leading portion stink on-line computing model, back segment stink on-line computing model, Foul gas handles regulating device, wherein air-introduced machine and the foul gas are being collected in leading portion stink on-line computing model setting On main air hose between deodorization unit, the back segment stink on-line computing model is arranged in the collection air-introduced machine and the exhaust tube Between main air hose on;The foul gas processing regulating device is flexibly controlled according to type, the concentration of foul gas is monitored Make and deploy the inside setting of the ultraviolet radiation facility.
As shown in Figure 1, the foul gas deodorization unit include interconnected pretreatment unit, ultraviolet radiation facility, And/or ozone-oxidizing device, and/or catalytic oxidizing equipment and adsorbent equipment, it is meant that according to the volume foul gas detected Type, concentration come be arranged one of the ultraviolet radiation facility, the ozone-oxidizing device, described catalytic oxidizing equipment or Two or more devices are handled.The pretreatment unit includes the filter device for filtering dust in foul gas, according to receipts The humidity of the foul gas collected is different, humidity control apparatus can also be arranged, for adjusting foul gas humidity.In addition also Dosing modifying device, such as addition hydrogen peroxide and pH adjusting agent can be added, pH adjusting agent is used to adjust pH value of waste water, Subsequent advanced oxidation processes are allowed to react under the conditions of optimal pH;H2O2Effect be using H2O2Have stronger permeability and Peroxide haptoreaction in oxidation, with raw wastewater decomposes rapidly, newborn oxygen is released, to remove in raw wastewater Bacterium, stink and coloration.
As shown in Figure 1, the ultraviolet radiation facility is used for UV photodissociation ozone gas comprising there is several UV lamp groups (can adopt With matrix form), catalyst, the catalyst may be provided at the both ends or rear end of UV lamp group.The UV-C wave band of the UV lamp group Wavelength is the combination of 385nm, 254nm and 185nm one or more wavelength period.According to the type of odorous gas, (molecular weight is not It is together) different, different-waveband wavelength can be used, after filter element described in UV-C ultraviolet C wave band (254nm) light beam radiation, By the complexing of the long-chains such as toxic, harmful, difficult to degrade, grease in foul gas or the molecular chain scission of chelating gas, to change The molecular structure and molecular characterization of foul gas.For example, DMF (dimethylformamide) generally uses 185nm, NH3Using 254nm Or 385nm.
As shown in Figure 1, the wavelength that ozone-oxidizing device described in the utility model includes UV-C ultra-violet bands is 185nm UV lamp.The O generated after being reacted using UV-C ultraviolet C wave band (185nm) light beam with the oxygen in foul gas3, modified Foul gas in alcohols, esters, aldehydes, benzene class, hydrogen sulfide, ammonia, methyl mercaptan and the permanent Strong oxdiative of hydrocarbon compound point The solution compound harmless at such as vapor, carbon dioxide etc. reaches improvement and control to eliminate or reduce peculiar smell odor compound The purpose of system.Or air-source can be set after cost performance assessment according to the concentration of foul gas and the actual conditions of type Ozone preparation unit.
The catalytic oxidizing equipment is used to remaining organic gas and inorganic gas utilizing UV385nm sections of ultraviolet catalytics Potassium permanganate can be used in oxidation or oxidizer catalytic, oxidant.Photochemical catalyst refers to Nano titanium dioxide, popular to be also referred to as Photocatalyst, principle photosynthesis make the molecular structure of titanium dioxide change, generate photoproduction under the luminous energy effect of UV lamp Electronics and photohole are much higher by general organic pollutant since light induced electron and photohole have very strong energy The intensity of strand, it is possible to which organic pollutant is resolved into the state of most original easily.Photohole can also be with sky simultaneously Hydrone in gas forms reaction, and generating hydroxyl free radical also can decompose organic pollutant and kill bacterial virus.
The adsorbent equipment can also use heat resolve, physics for adsorbing excessive ozone and non-degradable gas Or chemisorption processing, such as activated carbon adsorption, molecular sieve can be used.
2 foul gas processing method of embodiment
As shown in Figure 1, the method for foul gas processing described in the utility model, includes the following steps:
S1, foul gas is collected, is then pre-processed: dust removal by filtration, and/or according to the wet of the foul gas of collection Degree, it is also possible to need to humidify or remove moisture excessive in foul gas;And/or need dosing quenched, such as addition peroxide Change hydrogen and pH adjusting agent, pH adjusting agent allows subsequent advanced oxidation processes in optimal pH item for adjusting pH value of waste water It is reacted under part;H2O2Effect be using H2O2There are stronger permeability and oxidation, is contacted with the peroxide in raw wastewater Reaction decomposes rapidly, newborn oxygen is released, to remove the bacterium in raw wastewater, stink and coloration.
Collect foul gas and need to consider air hose arrangement of features, according to air quantity and the EQUILIBRIUM CALCULATION FOR PROCESS of pressure, using symmetrical or The air hose of asymmetric is arranged, the pressure balance of each foul gas bleeding point is made, and guarantees that malodorous gas processing system stablizes section It can operation.
S2, setting UV lamp group will be in foul gas using the UV lamp group UV photodissociation foul gas pretreated through step S1 Long-chain complexing or chelating gas molecular chain scission, change the molecular structure and characteristic of foul gas;The U wave of the UV lamp group The wavelength of section is the combination of 385nm, 254nm and 185nm one or more wavelength period.It can be according to the molecular weight of foul gas Select the wavelength of UV-C wave band, remove can be with for light gas formaldehyde in the more long such as VOC of the bigger wavelength used of usual molecular weight Using the wavelength of 385nmUV-C wave band.
S3, using ozone alcohols, esters, aldehydes, benzene class, the hydrogen sulfide, ammonia in the modified foul gas of step S2 Gas, methyl mercaptan and hydrocarbon compound Strong oxdiative decompose;And/or
S4, remaining organic gas and inorganic gas are utilized to UV long-wave band ultraviolet catalytic oxidation or oxidizing;
The concentration of foul gas, feedback data are qualified from the back segment stink on-line computing model after S5, detection purification After discharge.
According to foul gas type, concentration is detected, S2~S4 can according to circumstances carry out flexible setting in above-mentioned steps.It is right In excessive ozone and non-degradable gas, heat resolve, physically or chemically adsorption treatment can also be used, such as can be used Activated carbon adsorption, molecular sieve.
Content described in this specification embodiment is only an enumeration of the implementation forms of the utility model concept, this is practical new The protection scope of type should not be construed as being limited to the specific forms stated in the embodiments, and the protection scope of the utility model also relates to And those skilled in the art according to the utility model conceive it is conceivable that equivalent technologies mean.

Claims (4)

1. a kind of processing system of foul gas characterized by comprising
Foul gas collects supply unit, for collecting, conveying foul gas;
Foul gas deodorization unit is collected supply unit with the foul gas and is connected to, is used for dust removal by filtration/humidification/dehumidifying, UV Photodissociation, and/or ozone oxidation foul gas, and/or the remaining organic gas of catalysis oxidation and inorganic gas, absorption are excessive smelly Oxygen and undegradable gas, with purifying malodorous gas;
Exhaust unit is collected, is connected to foul gas deodorization unit, for the foul gas after collection and purification and outlet;
Control unit is monitored, supply unit, foul gas deodorization unit and collection exhaust unit is collected with foul gas and is connected to, For regulating and controlling the operating mode of foul gas deodorization unit according to type, the concentration of foul gas is monitored;
The foul gas deodorization unit includes interconnected pretreatment unit, ultraviolet radiation facility, and/or ozone oxidation dress It sets, and/or catalytic oxidizing equipment and adsorbent equipment;
The pretreatment unit includes the filter device for filtering dust in foul gas, and/or for adjusting foul gas The humidity control apparatus and/or dosing modifying device of humidity;
The ultraviolet radiation facility is used for UV photodissociation ozone gas comprising there are several UV lamp groups, catalyst, the UV lamp group Wavelength is the combination of 385nm, 254nm and 185nm one or more wavelength period;
The ozone-oxidizing device is for aoxidizing the foul gas through the ultraviolet radiation facility UV photodissociation;
The catalytic oxidizing equipment is used to remaining organic gas and inorganic gas utilizing UV long-wave band ultraviolet catalytic oxidation Or it is oxidizing;
The adsorbent equipment is for adsorbing excessive ozone and undegradable gas.
2. processing system according to claim 1, which is characterized in that it includes mutually interconnecting that the foul gas, which collects supply unit, Logical collection air hose collects air-introduced machine, wherein collections air hose setting is in foul gas generation and processing region, the collection Foul gas is collected to the collection air-introduced machine by air hose, and the collection air-introduced machine is connected to the foul gas deodorization unit; The collection exhaust unit includes interconnected discharge air-introduced machine, exhaust tube, the discharge air-introduced machine and the foul gas Deodorization unit is connected.
3. processing system according to claim 2, which is characterized in that the monitoring control unit includes that leading portion stink is supervised online It surveys instrument, back segment on-line computing model, foul gas and handles regulating device, the leading portion stink on-line computing model is arranged in the collection Between air-introduced machine and the foul gas deodorization unit, back segment stink on-line computing model setting the discharge air-introduced machine with it is described Between exhaust tube;The foul gas processing regulating device is controlled and is deployed according to type, the concentration of foul gas is monitored The inside of the foul gas deodorization unit is arranged.
4. processing system according to claim 1, which is characterized in that the adsorbent equipment uses activated filter film or molecular sieve.
CN201721397614.3U 2017-10-26 2017-10-26 A kind of processing system of foul gas Expired - Fee Related CN208177206U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109701366A (en) * 2017-10-26 2019-05-03 东莞兆能环境科技有限公司 A kind of processing method and system of foul gas
CN110115936A (en) * 2019-03-29 2019-08-13 上海复纯环保科技有限公司 A kind of foul gas processing unit
CN111888915A (en) * 2020-09-03 2020-11-06 重庆林德科技发展有限公司 Petrochemical industry fatlute mummification exhaust-gas treatment system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109701366A (en) * 2017-10-26 2019-05-03 东莞兆能环境科技有限公司 A kind of processing method and system of foul gas
CN110115936A (en) * 2019-03-29 2019-08-13 上海复纯环保科技有限公司 A kind of foul gas processing unit
CN111888915A (en) * 2020-09-03 2020-11-06 重庆林德科技发展有限公司 Petrochemical industry fatlute mummification exhaust-gas treatment system

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Granted publication date: 20181204

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