CN102658012B - Method and device for treating high-concentration malodorous gas - Google Patents
Method and device for treating high-concentration malodorous gas Download PDFInfo
- Publication number
- CN102658012B CN102658012B CN2012101554443A CN201210155444A CN102658012B CN 102658012 B CN102658012 B CN 102658012B CN 2012101554443 A CN2012101554443 A CN 2012101554443A CN 201210155444 A CN201210155444 A CN 201210155444A CN 102658012 B CN102658012 B CN 102658012B
- Authority
- CN
- China
- Prior art keywords
- gas
- desulfurizing tower
- desulfurizing
- burning
- desulfurization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Treating Waste Gases (AREA)
Abstract
The invention discloses a method for treating high-concentration malodorous gas. The method comprises the following steps of: introducing the malodorous gas into an incinerator by using a gas collection device, introducing a fuel and air into the incinerator simultaneously, incinerating, introducing flue gas into a waste heat boiler, recovering waste heat, introducing the flue gas into a desulfurization tower, desulfurizing under the action of a desulfurizing agent, and discharging the desulfurized flue gas into environment. By the method, a treatment effect is good, and the treated gas can meet the secondary discharge standard allowed by the country. The invention also discloses a device for treating the high-concentration malodorous gas. The device is small in investment and high in safety and can be used for treating waste gas in chemical industry.
Description
Technical field
The present invention relates to the waste gas pollution control and treatment technical field, be specifically related to the method for high concentration foul gas processing and the device that the method is used thereof.
Background technology
In chemical synthesis, produce unavoidably foul gas, if not treated direct discharging can cause serious pollution to environment.The discharging of foul gas stimulates olfactory organ to cause that people are unhappy, pollute living environment, mainly enter in the human body by approach such as contact, breathing and water and foods, cause the disease of respiratory system, the circulatory system, digestive system, internal system and nervous system etc., and long-term stench stimulation can cause feeling fatigue of people.Along with developing rapidly of modern social economy and modern industry, especially Chemical Manufacture industry, produce in process of production multiple foul gas, such as hydrogen sulfide, methyl mercaptan, methyl sulfide, carbon disulfide, ammonia, amine, halogen and derivative thereof, phenol, aldehyde, organic acid etc.Therefore " The Law of the People's Republic of China on the Prevention and Control of Atmospheric Pollution " the 40 clear " to the pollutant discharging unit of airborne release foul gas, must take measures to prevent that the surrounding resident district from being polluted ".
Burning method is one of main method of processing both at home and abroad at present the high concentration foul gas, in incinerator, to carry out the oxidizing fire reaction with the air of excess quantity and processed material, at high temperature oxidized, the pyrolysis of odor pollutant in the high concentration foul gas and destroyed processing are a kind ofly can realize at any time that refuse is innoxious, the treatment technology of resource.But existing foul gas incineration treatment technology and device all have a complex process, and investment is large, burn insufficiently, in the gas after the burning sulfur-containing compound are arranged, and cause deodorizing insufficient.
Therefore, the method that needs a kind of high concentration foul gas to process, it is low to have an equipment investment, and the foul gas treatment effect is good, directly discharges in the environment and can not cause secondary pollution, can reach discharging standards.
Summary of the invention
The object of the invention is to provide method and the device thereof of high concentration foul gas processing, uses burning method that foul gas is processed, and burns fully, utilize waste heat boiler to carry out waste heat recovery after the burning, finally by crossing after the desulfurization fume emission to environment, device design is reasonable, invests low, stable, treatment effect is good, can not produce secondary pollution after the processing, the foul gas after odor removal is processed, can reach national secondary discharge standard, and the odor removal that uses is safeguarded easily.
For achieving the above object, technical scheme of the present invention is:
1. the method processed of high concentration foul gas, pass into foul gas by gas collector to burning in the device, pass into fuel gas and air to burning in the device simultaneously, in burning device, carry out burning disposal, after the burning flue gas is passed into waste heat boiler and carry out waste heat recovery, then flue gas is passed into and under the desulfurizing agent effect, carries out desulfurization in the desulfurizing tower and process, after desulfurization is processed with flue gas from smoke stack emission to environment.
In the burning of the present invention, temperature is higher, the burning time is longer, burns more fully, and preferred burning disposal is to be higher than under 1000 ℃ of conditions in temperature and to burn at least 2.5 seconds.Optimum can burn fully for being to burn under the 1000-1100 ℃ of condition 2.5-3.5 second in temperature, again can fuel savings.
Preferred, described burning disposal is specially, and described burning disposal is specially, and the volume ratio of burning foul gas, fuel gas and air in the device (2) is 180 ~ 220:1:45 ~ 65.
Gas collector passes into and burns in the device among the present invention, passes into simultaneously air and fuel gas, can be passed into simultaneously by a pipeline and contain foul gas, air and fuel gas, and abundant in order to guarantee fuel, fuel is preferably natural gas; Be preferably burn that device arranges that 3 different pipelines pass into respectively that foul gas advances, fuel gas and air, described foul gas, fuel gas and air are entered by gas collector (1), fuel inlet (8) and air inlet (7) respectively.
The present invention is for the compound composition after the desulfurization can be utilized, and is preferred, after the described desulfurization desulfurizing agent passed into retracting device and reclaims.
Preferably, described desulfurization is treated to the two-grade desulfurizing method, is specially: flue gas is passed into the first desulfurizing tower, pass into desulfurizing agent by the first circulating pump simultaneously, carry out first order desulfurization; Flue gas after the first grade desulfurizing is passed into the second desulfurizing tower, pass into desulfurizing agent by the second circulating pump simultaneously and carry out second level desulfurization.Adopt the two-grade desulfurizing method can make desulfurization more abundant, first order desulfurization makes the SO more than 80% in the flue gas
2Be desulfurized agent and absorb generation, second level desulfurization makes SO residual in the flue gas
2Be desulfurized agent and absorb, by SO in the flue gas behind the two-grade desulfurizing
2Total eliminating efficiency can reach more than 99%.
In order to increase the contact area of desulfurizing agent and flue gas, preferred, flue gas and described desulfurizing agent pass in the same way described in the described first order desulfurization, flue gas described in the desulfurization of the described second level and described desulfurizing agent is reverse passes into.
Preferably, described desulfurizing agent is that mass fraction is that 7 ~ 12% ammoniacal liquor or mass fraction are 15 ~ 25% NaOH.
Preferably, described foul gas is one or more in hydrogen sulfide, carbon disulfide, methyl mercaptan, methylthiopropionaldehyde, methyl sulfide, methacrylaldehyde, acrylic acid, propylene, acetaldehyde and the formaldehyde.
2. the device processed of high concentration foul gas, comprise gas collector, burn device, waste heat boiler, desulfurizing tower and chimney, described gas collector connects described burning device by pipeline and connects, described burning device is by pipeline and described waste heat boiler, described waste heat boiler is connected with described desulfurizing tower by pipeline, and described desulfurizing tower top is provided with chimney.
Burn device among the present invention preferably by the shell of carbon steel material, case surface design corrosion allowance, enclosure is provided with the heat-insulation layer that insulating brick forms, and has preferably effect of heat insulation, heat-insulation layer inside is provided with the flame retardant coating that is comprised of corundum brick, and the thermal efficiency that burns device is reached more than 97%.
Preferably, described desulfurizing tower comprises the first desulfurizing tower and the second desulfurizing tower, described the first desulfurizing tower top is connected with described waste heat boiler by pipeline, described the first desulfurizing tower bottom is connected with described the second desulfurizing tower by pipeline, be provided with the first circulating pump on described the first desulfurizing tower, be provided with the second circulating pump on described the second desulfurizing tower.
Preferably, also be provided with air inlet and fuel inlet on the described burning device, make fuel gas and air be convenient to control.In order to prevent accident, at the burning device ultraviolet explosion-proof flame detector is set, make operation safer.Preferred, burning device fuel gas inlet set-point firearm, handled easily.
Incinerator is equipped with ultraviolet explosion-proof flame detector, electric igniter etc., and work elasticity is wide, operates steadily; Flame combustion is stable, and degree of filling is good, and efficiency of combustion is high; Easy and simple to handle, safety, whole device stable operation.The burner tip material is high temperature oxidation resisting, corrosion resistant special alloy material.Air distribution mode adopts the advection air register, guarantees Stable burning of flame.
Preferably, described device also comprises the retracting device that is connected with described desulfurizing tower.
Beneficial effect of the present invention: the method that high concentration foul gas disclosed by the invention is processed, by burning device the foul gas complete oxidation is decomposed, the burning treatment effeciency is high; Gas after the burning takes full advantage of thermal source through the waste heat boiler recovery waste heat, at last the flue gas behind the two-step desulfurization can directly be disposed in the environment, and unharmful substance, fume emission reach the National Environmental standard.The invention also discloses the device that the high concentration foul gas is processed, reduced investment, safe and reliable, do not reveal, be with a wide range of applications in the waste gas pollution control and treatment field.
Foul gas among the present invention refers to one or more in hydrogen sulfide, carbon disulfide, methyl mercaptan, methylthiopropionaldehyde, methyl sulfide, methacrylaldehyde, acrylic acid, propylene, acetaldehyde and the formaldehyde.
Description of drawings:
Fig. 1 is the structure drawing of device that high concentration foul gas of the present invention is processed.
The specific embodiment:
Below with reference to accompanying drawing the present invention is described in detail.The experimental technique of unreceipted actual conditions in the preferred embodiment is usually according to normal condition.
Embodiment 1
The device that the high concentration foul gas is processed, structure as shown in Figure 1.As shown in Figure 1, this device comprises gas collector (1), burns device (2), waste heat boiler (3), desulfurizing tower (4), retracting device (11) and chimney (12), gas collector (1) connect to burn device (2) by pipeline, burns also to be connected with air inlet (7) on the device (2) and air and fuel gas are supplied respectively in fuel inlet (8); Be provided with ultraviolet explosion-proof flame detector at the burning device, be used for surveying flame.Burn device (2) and be connected with waste heat boiler (3) by pipeline, waste heat boiler (3) is connected with desulfurizing tower (4) by pipeline.
Wherein desulfurizing tower (4) comprises the first desulfurizing tower (5) and the second desulfurizing tower (6), and the first desulfurizing tower (5) top is connected with waste heat boiler (3) by pipeline, is provided with the first circulating pump (9) on the first desulfurizing tower (5); The first desulfurizing tower (5) bottom is connected with the second desulfurizing tower (6) bottom by pipeline, is provided with the second circulating pump (10) on the second desulfurizing tower (6).
Burn device (2) and be comprised of shell, heat-insulation layer and flame retardant coating from outside to inside, inner formation hollow is the combustion chamber; Sheathing material is carbon steel, and case surface is designed with corrosion allowance; The heat-insulation layer material is that insulating brick has preferably effect of heat insulation; The flame retardant coating material is corundum brick, is provided with igniting when igniter is convenient to be used in the combustion chamber, is easy to operate, and uses safety.
Embodiment 2
The method of utilizing the device high concentration foul gas among the embodiment 1 to process, concrete steps are as follows:
The method that the high concentration foul gas is processed, pass into foul gas by gas collector (1) to burning in the device (2), comprise hydrogen sulfide, carbon disulfide, methyl mercaptan, methylthiopropionaldehyde, methyl sulfide, methacrylaldehyde, acrylic acid, propylene, acetaldehyde and formaldehyde in the gas, pass into natural gas and air to burning in the device (2) respectively by fuel inlet (8) and air intlet (7) simultaneously, the ratio that per hour passes into foul gas and fuel gas and air capacity is 180 ~ 220:1:45 ~ 65, and temperature is higher than under 1000 ℃ of conditions burned 2.5 seconds at least.After the burning flue gas is passed into waste heat boiler (3) and carry out waste heat recovery, make flue gas be reduced to 150～250 ℃, then flue gas is passed into the first desulfurizing tower (5), pass into desulfurizing agent by the first circulating pump (9) simultaneously, carry out first order desulfurization; Flue gas after the first grade desulfurizing is passed into the second desulfurizing tower (6), pass into desulfurizing agent by the second circulating pump (10) simultaneously and carry out second level desulfurization.Be disposed in the environment by chimney (12) after the flue gas demist after desulfurization is processed, the desulfurizing agent that absorbs flue gas passes into retracting device (11) and reclaims, and withdrawal liquid is transported to the workshop and extracts according to a conventional method.
According to the method that the high concentration foul gas among the embodiment 2 is processed, the desulfurizing agent that uses in the present embodiment is 7% ammoniacal liquor as mass fraction.The high concentration foul gas is processed, high concentration foul gas composition and concentration are as shown in table 1, hourlyly enter the foul gas that burns device and the ratio of fuel gas and air capacity is 200:1:50, temperature is to burn 2.5 seconds under 1000 ℃ of conditions, behind waste heat recovery and two-step desulfurization, composition and concentration in the flue gas are as shown in table 1.
Table 1, high concentration foul gas treatment effect I
| The pollutant title | Unit | Pollutant levels before processing | Process the after stain substrate concentration |
| Hydrogen sulfide | mg/m 3 | 12735 | 5.42 |
| Carbon disulfide | mg/m 3 | 23028 | 8.34 |
| Methyl mercaptan | mg/m 3 | 7669 | 4.30 |
| Methylthiopropionaldehyde | mg/m 3 | 4641 | 5.58 |
| Methyl sulfide | mg/m 3 | 6022 | 6.70 |
| Methacrylaldehyde | mg/m 3 | 9565 | 5.90 |
| Acrylic acid | mg/m 3 | 7448 | 6.30 |
| Propylene | mg/m 3 | 15429 | 7.29 |
| Acetaldehyde | mg/m 3 | 4865 | 4.90 |
| Formaldehyde | mg/m 3 | 6174 | 5.90 |
| Sulfur dioxide | mg/m 3 | / | 182.15 |
As shown in Table 1, the flue gas foul gas concentration after the processing is extremely low, can reach the discharge standard that country allows.
According to the method that the high concentration foul gas among the embodiment 2 is processed, the desulfurizing agent that uses in the present embodiment is 10% ammoniacal liquor as mass fraction.The high concentration foul gas is processed, high concentration foul gas composition and concentration are as shown in table 2, hourlyly enter the foul gas that burns device and the ratio of fuel gas and air capacity is 220:1:65, temperature is to burn 3 seconds under 1050 ℃ of conditions, behind waste heat recovery and two-step desulfurization, composition and concentration in the flue gas are as shown in table 2.
Table 2, high concentration foul gas treatment effect II
| The pollutant title | Unit | Pollutant levels before processing | Process the after stain substrate concentration |
| Hydrogen sulfide | mg/m 3 | 13842 | 4.30 |
| Carbon disulfide | mg/m 3 | 21776 | 5.77 |
| Methyl mercaptan | mg/m 3 | 7505 | 3.42 |
| Methylthiopropionaldehyde | mg/m 3 | 4159 | 4.87 |
| Methyl sulfide | mg/m 3 | 6947 | 4.51 |
| Methacrylaldehyde | mg/m 3 | 10107 | 5.70 |
| Acrylic acid | mg/m 3 | 7785 | 5.75 |
| Propylene | mg/m 3 | 14636 | 5.40 |
| Acetaldehyde | mg/m 3 | 5101 | 4.05 |
| Formaldehyde | mg/m 3 | 6319 | 4.02 |
| Sulfur dioxide | mg/m 3 | / | 173.15 |
As shown in Table 2, the flue gas foul gas concentration after the processing is extremely low, can reach the discharge standard that country allows.
Embodiment 5
According to the method that the high concentration foul gas among the embodiment 2 is processed, the desulfurizing agent that uses in the present embodiment is 12% weak aqua ammonia as mass fraction.The high concentration foul gas is processed, high concentration foul gas composition and concentration are as shown in table 3, hourlyly enter the foul gas that burns device and the ratio of fuel gas and air capacity is 200:1:62, temperature is to burn 2.5 seconds under 1100 ℃ of conditions, behind waste heat recovery and two-step desulfurization, composition and concentration in the flue gas are as shown in table 3.
Table 3, high concentration foul gas treatment effect III
| The pollutant title | Unit | Pollutant levels before processing | Process the after stain substrate concentration |
| Hydrogen sulfide | mg/m 3 | 15247 | 5.20 |
| Carbon disulfide | mg/m 3 | 17150 | 5.04 |
| Methyl mercaptan | mg/m 3 | 6949 | 3.31 |
| Methylthiopropionaldehyde | mg/m 3 | 3792 | 4.40 |
| Methyl sulfide | mg/m 3 | 5769 | 3.85 |
| Methacrylaldehyde | mg/m 3 | 10035 | 5.70 |
| Acrylic acid | mg/m 3 | 7852 | 6.16 |
| Propylene | mg/m 3 | 13328 | 4.92 |
| Acetaldehyde | mg/m 3 | 2593 | 2.08 |
| Formaldehyde | mg/m 3 | 4237 | 2.78 |
| Sulfur dioxide | mg/m 3 | / | 164.07 |
As shown in Table 3, the flue gas foul gas concentration after the processing is extremely low, can reach the discharge standard that country allows.
According to the method that the high concentration foul gas among the embodiment 2 is processed, the desulfurizing agent that uses in the present embodiment is 15% sodium hydroxide solution as mass fraction.High concentration foul gas composition and concentration are as shown in table 4, hourlyly enter the foul gas that burns device and the ratio of fuel gas and air capacity is 180:1:56, temperature is to burn 3 seconds under 1050 ℃ of conditions, and behind waste heat recovery and two-step desulfurization, composition and concentration in the flue gas are as shown in table 4.
Table 4, high concentration foul gas treatment effect IV
| The pollutant title | Unit | Pollutant levels before processing | Process the after stain substrate concentration |
| Hydrogen sulfide | mg/m 3 | 14954 | 6.43 |
| Carbon disulfide | mg/m 3 | 17156 | 6.40 |
| Methyl mercaptan | mg/m 3 | 7281 | 4.05 |
| Methylthiopropionaldehyde | mg/m 3 | 4235 | 6.05 |
| Methyl sulfide | mg/m 3 | 5616 | 6.25 |
| Methacrylaldehyde | mg/m 3 | 11359 | 7.47 |
| Acrylic acid | mg/m 3 | 6770 | 5.75 |
| Propylene | mg/m 3 | 15689 | 7.51 |
| Acetaldehyde | mg/m 3 | 3937 | 4.11 |
| Formaldehyde | mg/m 3 | 4349 | 4.21 |
| Sulfur dioxide | mg/m 3 | / | 156.30 |
As shown in Table 4, the flue gas foul gas concentration after the processing is extremely low, can reach the discharge standard that country allows.
Embodiment 7
According to the method that the high concentration foul gas among the embodiment 2 is processed, the desulfurizing agent that uses in the present embodiment is 20% sodium hydroxide solution as mass fraction.High concentration foul gas composition and concentration are as shown in table 5, hourlyly enter the foul gas that burns device and the ratio of fuel gas and air capacity is 180:1:55, temperature is to burn 3.5 seconds under 1050 ℃ of conditions, and behind waste heat recovery and two-step desulfurization, composition and concentration in the flue gas are as shown in table 5.
Table 5, high concentration foul gas treatment effect V
| The pollutant title | Unit | Pollutant levels before processing | Process the after stain substrate concentration |
| Hydrogen sulfide | mg/m 3 | 14412 | 4.54 |
| Carbon disulfide | mg/m 3 | 16280 | 4.26 |
| Methyl mercaptan | mg/m 3 | 7710 | 3.37 |
| Methylthiopropionaldehyde | mg/m 3 | 4065 | 4.74 |
| Methyl sulfide | mg/m 3 | 5481 | 3.58 |
| Methacrylaldehyde | mg/m 3 | 11907 | 6.58 |
| Acrylic acid | mg/m 3 | 7582 | 5.47 |
| Propylene | mg/m 3 | 16677 | 5.87 |
| Acetaldehyde | mg/m 3 | 4119 | 3.06 |
| Formaldehyde | mg/m 3 | 5044 | 3.22 |
| Sulfur dioxide | mg/m 3 | / | 148.16 |
As shown in Table 5, the flue gas foul gas concentration after the processing is extremely low, can reach the discharge standard that country allows.
Embodiment 8
According to the method that the high concentration foul gas among the embodiment 2 is processed, the desulfurizing agent that uses in the present embodiment is 25% sodium hydroxide solution as mass fraction.High concentration foul gas composition and concentration are as shown in table 6, hourlyly enter the foul gas that burns device and the ratio of fuel gas and air capacity is 215:1:65, temperature is to burn 2.5 seconds under 1100 ℃ of conditions, and behind waste heat recovery and two-step desulfurization, composition and concentration in the flue gas are as shown in table 6.
Table 6, high concentration foul gas treatment effect VI
| The pollutant title | Unit | Pollutant levels before processing | Process the after stain substrate concentration |
| Hydrogen sulfide | mg/m 3 | 16517 | 5.70 |
| Carbon disulfide | mg/m 3 | 18559 | 5.40 |
| Methyl mercaptan | mg/m 3 | 8964 | 4.18 |
| Methylthiopropionaldehyde | mg/m 3 | 4592 | 5.37 |
| Methyl sulfide | mg/m 3 | 6271 | 4.16 |
| Methacrylaldehyde | mg/m 3 | 12198 | 6.84 |
| Acrylic acid | mg/m 3 | 7127 | 5.21 |
| Propylene | mg/m 3 | 16779 | 6.11 |
| Acetaldehyde | mg/m 3 | 4170 | 3.45 |
| Formaldehyde | mg/m 3 | 5110 | 3.79 |
| Sulfur dioxide | mg/m 3 | / | 166.35 |
As shown in Table 6, the flue gas foul gas concentration after the processing is extremely low, can reach the discharge standard that country allows.
According to the method that the high concentration foul gas among the embodiment 2 is processed, present embodiment middle and high concentration foul gas without the two-step desulfurization device, directly is thrown into atmosphere after the incinerator burning disposal.High concentration foul gas composition and concentration are as shown in table 7, hourlyly enter the foul gas that burns device and the ratio of fuel gas and air capacity is 195:1:63, temperature is to burn 3 seconds under 1050 ℃ of conditions, and after waste heat recovery, composition and concentration in the flue gas are as shown in table 7.
Table 7, high concentration foul gas treatment effect VII
| The pollutant title | Unit | Pollutant levels before processing | Process the after stain substrate concentration |
| Hydrogen sulfide | mg/m 3 | 17456 | 5.43 |
| Carbon disulfide | mg/m 3 | 19411 | 4.95 |
| Methyl mercaptan | mg/m 3 | 8503 | 3.93 |
| Methylthiopropionaldehyde | mg/m 3 | 5062 | 5.93 |
| Methyl sulfide | mg/m 3 | 6502 | 4.18 |
| Methacrylaldehyde | mg/m 3 | 11571 | 6.40 |
| Acrylic acid | mg/m 3 | 7856 | 6.03 |
| Propylene | mg/m 3 | 15888 | 5.21 |
| Acetaldehyde | mg/m 3 | 4740 | 3.40 |
| Formaldehyde | mg/m 3 | 5911 | 3.35 |
| Sulfur dioxide | mg/m 3 | / | 76713 |
As shown in Table 7, the flue gas of processing without desulfurization after the burning disposal, foul gas also can satisfy the discharge standard that country allows, but its concentration is high than embodiment 3 ~ 8 concentration after desulfurization is processed, and contain SO in the discharging flue gas
2Concentration be 76713mg/m
3, surpass discharge standard.
Therefore, the method for using high concentration foul gas of the present invention to process, burning disposal can make odor pollutant fully burn, the SO after desulfurization can effectively absorb and burn after burning in the flue gas
2, further reduce the odor pollutant in the foul gas.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although by invention has been described with reference to the preferred embodiments of the present invention, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and not depart from the spirit and scope of the present invention that appended claims limits.
Claims (3)
1. the method processed of high concentration foul gas, it is characterized in that: pass into foul gas by gas collector (1) to burning in the device (2), pass into fuel gas and air to burning in the device (2) simultaneously, in burning device (2), carry out burning disposal, after the burning flue gas is passed into waste heat boiler (3) and carry out waste heat recovery, then flue gas is passed into and carry out the desulfurization processing in the desulfurizing tower (4) under the desulfurizing agent effect, desulfurization is disposed to flue gas the environment from chimney (12) after processing;
Described burning disposal is specially, and the volume ratio of foul gas, fuel gas and air is 180 ~ 220:1:45 ~ 65, is to burn 2.5-3.5 second under the 1000-1100 ℃ of condition in temperature; Described foul gas is one or more in hydrogen sulfide, carbon disulfide, methyl mercaptan, methylthiopropionaldehyde, methyl sulfide, methacrylaldehyde, acrylic acid, propylene, acetaldehyde and the formaldehyde;
Described desulfurization is treated to the two-grade desulfurizing method, is specially: flue gas is passed into the first desulfurizing tower (5), pass into desulfurizing agent by the first circulating pump (9) simultaneously, carry out first order desulfurization; Flue gas after the first grade desulfurizing is passed into the second desulfurizing tower (6), pass into desulfurizing agent by the second circulating pump (10) simultaneously and carry out second level desulfurization; Described desulfurizing agent is that mass fraction is that 7 ~ 12% ammoniacal liquor or mass fraction are 15 ~ 25% NaOH.
2. the method processed of high concentration foul gas according to claim 1, it is characterized in that: described foul gas, fuel gas and air are entered by gas collector (1), fuel inlet (8) and air inlet (7) respectively.
3. the method processed of high concentration foul gas according to claim 1, it is characterized in that: described desulfurization also comprises recovery after processing, and is specially the desulfurizing agent that will absorb flue gas and passes into retracting device (11) and reclaim.
4. the method processed of high concentration foul gas according to claim 1, it is characterized in that: flue gas and described desulfurizing agent pass in the same way described in the described first order desulfurization, flue gas described in the desulfurization of the described second level and described desulfurizing agent is reverse passes into.
5. the device that is used for the method for each described high concentration foul gas processing of claim 1-4, comprise gas collector (1), burn device (2), waste heat boiler (3), desulfurizing tower (4) and chimney (12), it is characterized in that: described gas collector (1) connects described burning device (2) by pipeline, described burning device (2) is connected with described waste heat boiler (3) by pipeline, described waste heat boiler (3) is connected with described desulfurizing tower (4) by pipeline, and described desulfurizing tower (4) top is provided with chimney (12);
Described burning device (2) is comprised of shell, heat-insulation layer and flame retardant coating from outside to inside, and inner formation hollow is the combustion chamber; Sheathing material is carbon steel, and case surface is designed with corrosion allowance; The heat-insulation layer material is insulating brick; The flame retardant coating material is corundum brick;
Described desulfurizing tower (4) comprises the first desulfurizing tower (5) and the second desulfurizing tower (6), described the first desulfurizing tower (5) top is connected with described waste heat boiler (3) by pipeline, described the first desulfurizing tower (5) bottom is connected with described the second desulfurizing tower (6) bottom by pipeline, be provided with the first circulating pump (9) on described the first desulfurizing tower (5), be provided with the second circulating pump (10) on described the second desulfurizing tower (6).
6. device according to claim 5 is characterized in that: also be respectively arranged with air inlet (7) and fuel inlet (8) on the described burning device (2).
7. each described device according to claim 5-6, it is characterized in that: described device also comprises the retracting device (11) that is connected with described desulfurizing tower (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101554443A CN102658012B (en) | 2012-05-18 | 2012-05-18 | Method and device for treating high-concentration malodorous gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101554443A CN102658012B (en) | 2012-05-18 | 2012-05-18 | Method and device for treating high-concentration malodorous gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102658012A CN102658012A (en) | 2012-09-12 |
| CN102658012B true CN102658012B (en) | 2013-02-27 |
Family
ID=46767669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101554443A Active CN102658012B (en) | 2012-05-18 | 2012-05-18 | Method and device for treating high-concentration malodorous gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102658012B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256608B (en) * | 2013-05-23 | 2016-03-16 | 杭州国泰环保科技股份有限公司 | sludge incineration method |
| CN104190209A (en) * | 2014-08-08 | 2014-12-10 | 烟台金海化工有限公司 | Treatment method of tail gas generated by preparation process of sodium hydrosulfite |
| CN104676606B (en) * | 2015-01-22 | 2017-03-22 | 平湖石化有限责任公司 | Innocent treatment method for acrylic acid and ester waste liquid thereof |
| CN105387472B (en) * | 2015-12-04 | 2018-02-23 | 赛鼎工程有限公司 | A kind of a variety of foul gas combined treatment process of coal chemical industry |
| CN109404936A (en) * | 2018-10-26 | 2019-03-01 | 青岛福轮科技有限公司 | A kind of smoke processing system and processing method |
| CN110448995A (en) * | 2019-08-19 | 2019-11-15 | 福建中融科技有限公司 | Liquefied air purification methanol deodorant and its preparation and application |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2216637Y (en) * | 1995-05-19 | 1996-01-03 | 北京市机电研究院环境保护技术研究所 | Coal-combustion industrial noxious gas incinerator |
| CN1186559C (en) * | 2002-09-18 | 2005-01-26 | 宋纪元 | Refuse gasifying incineration treatment method of rotary furnace siege |
| CN101943414A (en) * | 2010-08-30 | 2011-01-12 | 武汉诚信锅炉自控设备有限责任公司 | Incinerator for processing pulping foul gas in paper mills |
-
2012
- 2012-05-18 CN CN2012101554443A patent/CN102658012B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102658012A (en) | 2012-09-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102658012B (en) | Method and device for treating high-concentration malodorous gas | |
| CN203869049U (en) | Hazardous waste incineration system | |
| CN102641654B (en) | Method for processing malodorous gas and device thereof | |
| CN204460222U (en) | Environment-friendly garbage high-efficiency thermal decomposition device | |
| CN101837365A (en) | Integrated method and system of active carbon regeneration and hazardous waste incineration | |
| CN102944018A (en) | Burning and waste heat power generation system for hazardous wastes | |
| CN205235984U (en) | Low energy consumption saturation activated carbon regeneration system | |
| CN101869800A (en) | Method and system for purifying flue gas generated by incinerating waste materials | |
| CN201396766Y (en) | Flue gas recirculation and low-position waste heat energy reutilization device for garbage incinerator | |
| CN105509061A (en) | Domestic refuse suspension-type combustion carbonization pyrolysis system and treatment technique thereof | |
| CN105910111A (en) | Solid waste incineration system with exhaust gas secondary combustion drying ignition device and treatment method thereof | |
| CN103868080A (en) | Large-flow and low-heat-value harmful waste gas incineration disposal process | |
| CN101476730A (en) | Energy-saving rubbish and dangerous waste incineration processing method | |
| CN106482131A (en) | A kind of wastewater treatment field waste gas processing method | |
| CN205678679U (en) | A kind of have secondary exhaust gas combustion and be dried the solid waste burning system of igniter | |
| CN205535842U (en) | Two room heat accumulation after burner of domestic waste | |
| CN208952119U (en) | A kind of waste incinerator for garbage power | |
| CN204648264U (en) | A kind of acrylate reclaims the CIU of waste material | |
| CN204717697U (en) | Industry danger castoff burning smoke treatment recycling residual heat system | |
| CN104390220B (en) | Chemical sludge treatment method and equipment system | |
| CN206637620U (en) | A kind of pyrogenation incinerator | |
| CN210373471U (en) | Novel vertical oily sludge treatment incineration equipment | |
| CN204345666U (en) | A kind of salt bearing liquid wastes burns and retracting device | |
| CN208365549U (en) | A kind of coal hydrogen manufacturing decarburization resolution gas incinerating and treating device | |
| CN204962794U (en) | Sewage field exhaust treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160527 Address after: 755000 the Ningxia Hui Autonomous Region central defence industrial park Patentee after: NINGXIA ZIGUANG TIANHUA METHIONINE CO., LTD. Address before: 408200, Chongqing County, Zhenjiang Town, Fengdu village Xiangjiaba Patentee before: Chongqing Unisplendour Tianhua Methionine Co., Ltd. |