CN106984151A - A kind of sewage plant foul waste gas abatement equipment and processing method - Google Patents
A kind of sewage plant foul waste gas abatement equipment and processing method Download PDFInfo
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- CN106984151A CN106984151A CN201710311082.5A CN201710311082A CN106984151A CN 106984151 A CN106984151 A CN 106984151A CN 201710311082 A CN201710311082 A CN 201710311082A CN 106984151 A CN106984151 A CN 106984151A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/108—Halogens or halogen compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/50—Inorganic acids
- B01D2251/506—Sulfuric acid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/306—Organic sulfur compounds, e.g. mercaptans
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/12—Methods and means for introducing reactants
- B01D2259/124—Liquid reactants
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
A kind of sewage plant foul waste gas abatement equipment and processing method, air inlet are provided with current-sharing module, and air accumulator is coupled by pipeline with current-sharing module, and fan is provided with pipeline；The built in gas tank has gas detecting instrument；The gas detecting instrument couples with controller；The pipe ends are equipped with valve；The controller control valve door；The fan is connected with valve；The sour absorbed layer, the first Alkali absorption layer, efficient oxidation layer, the second Alkali absorption layer in be equipped with filler.
Description
Technical field
The present invention relates to waste gas pollution control and treatment, and in particular to a kind of sewage plant foul waste gas abatement equipment and processing method.
Background technology
With the gradually enhancing of the environmental protection of the mankind, the mankind become more concerned with the quality of living environment around.Industry row
Contained H2S gases in the waste gas put, can not only cause the poisoning of pipeline and catalyst, cause process conditions deterioration, equipment
Corrosion, and can cause quite serious environmental pollution, or even harm human survival.Therefore, it is necessary to the H2S gases of discharge
Administered.Hydrogen sulfide gas is a kind of atmosphere pollution public hazards for increasingly causing the whole world to be paid attention to, and it is typical stench class gas,
With pollution range is very wide, far-reaching feature.The processing mode of existing in the market has secondary pollution, and for gaseous mixture
Body does not have complete processing equipment.
Processing equipment in the market does not have strict control in result, has very big probability to cause processing not
It is perfect, adsorb insufficient, so as to cause the gas emitted still to contain a small amount of harmful substance, it is impossible to reach the mesh eradicated
's.
The content of the invention
The technical problems to be solved by the invention are to be directed to the above-mentioned state of the art, and mixing can preferably be handled by providing one kind
Type waste gas and can by strict control discharge gas componant, meet and be then exhausted from after discharge standard.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：
A kind of sewage plant foul waste gas abatement equipment, including air inlet and air outlet is characterized in that：Air inlet, which is provided with, to flow
Module；The air inlet connection has sour absorbed layer；The first spraying layer is provided with the sour absorbed layer；First spraying layer passes through
Water pipe couples with the first water pump；First water pump has the first solvent tank by water pipe connection；Sour absorbed layer one end connection
The connection of the air inlet other end has the first demisting layer；The first demisting layer also connection has the first Alkali absorption layer；First alkali is inhaled
Receive and the second spraying layer is provided with layer；Second spraying layer is coupled by water pipe with the second water pump；Second water pump passes through water
Pipe connection has the second solvent tank；First Alkali absorption layer one end connection has the first demisting layer, and other end connection has the second demisting
Layer；Second demisting layer one end connection has the first Alkali absorption layer, and other end connection has efficient oxidation layer；The efficient oxidation layer
Inside it is provided with the 3rd spraying layer；3rd spraying layer is coupled by water pipe with the 3rd water pump；3rd water pump is joined by water pipe
It is connected to the 3rd solvent tank；The efficient oxidation layer also connection has electric demisting layer；Described electric demisting layer one end and efficient oxidation layer connection
Connect, other end connection has efficiently catalyzing and oxidizing layer；The efficiently catalyzing and oxidizing layer connection has the second Alkali absorption layer；Second alkali
Absorbed layer is provided with the 4th spraying layer；4th spraying layer is coupled by water pipe with the second water pump；The second Alkali absorption layer is logical
Cross the 3rd demisting layer and air accumulator connection；The air accumulator is coupled by pipeline with current-sharing module；Fan is provided with the pipeline；
The built in gas tank has gas detecting instrument；The gas detecting instrument couples with controller；The pipe ends are equipped with valve；
The controller control valve door；The fan is connected with valve；The sour absorbed layer, the first Alkali absorption layer, efficient oxidation layer, the
Filler is equipped with two Alkali absorptions layer.
Further, current-sharing module is provided with multiple airflow holes.
Further, the sour absorbed layer, the first Alkali absorption layer, efficient oxidation layer, the second Alkali absorption layer outside are equipped with
Observation window.
Further, first solvent tank is built with dilute sulfuric acid.
Further, second solvent tank is built with sodium hydroxide.
Further, the 3rd solvent tank is built with sodium hypochlorite.
Further, first spraying layer, the second spraying layer, the 3rd spraying layer and the 4th spraying layer are by multiple atomizations
Shower nozzle is constituted.
Further, the filler is spherical ceramic material.
Further, the first demisting layer, the second demisting layer, the 3rd demisting layer in be serpentine channel.
A kind of processing method of sewage plant foul waste gas abatement equipment comprises the following steps：
Step 1：Waste gas is entered by air inlet, is first passed through after current-sharing module steady air flow and is flowed into sour absorbed layer；
Step 2：After methyl mercaptan in sour absorbed layer in the first spraying layer sprinkling dilute sulfuric acid and in waste gas, the first demisting layer is drained into,
Demisting heel row is into the first Alkali absorption layer；
Step 3：After hydrogen sulfide in first Alkali absorption layer in the second spraying layer sprinkling sodium hydroxide and in waste gas, drain into second and remove
Mist layer, demisting heel row is into efficient oxide layer；
Step 4：After ammonia in efficient oxidation layer in the 3rd spraying layer sprinkling sodium hypochlorite processing waste gas, remaining is remaining useless
Gas, by entering the second Alkali absorption layer after electric demisting layer, efficiently catalyzing and oxidizing layer；
Step 5：The acid waste gas produced in second Alkali absorption layer in the 4th spraying layer sprinkling sodium hydroxide and after catalysis oxidation；
Step 6：Remaining fog is finally removed by the 3rd demisting layer again, the gas handled, which is concentrated, enters air accumulator, air accumulator
It is interior to be provided with gas in gas detecting instrument, gas detecting instrument detection air accumulator；Such as meet discharge standard, directly discharged by air outlet；
Discharge standard is not met such as, then controller is sent a signal to by gas detecting instrument, controller opens valve, because valve and wind
Fan series connection, valve, which is powered, opens aft-fan also operation simultaneously, and the gas in air accumulator is pumped to current-sharing module simultaneously by pipeline
Repeat step 1 is to step 6.
The beneficial effects of the invention are as follows：Hydrogen sulfide, methyl mercaptan, ammonia these three waste gas are targetedly absorbed, take up an area face
Product is smaller, and can realize autonomous catalyst filling by remote control；Gas flow equalization module use：Set when turbulent gas enters
Before standby, gas is entered aftertreatment device mobility by current equalizer and more stablize, react more abundant, and then reach
Optimization process effect.Spherical ceramic packing specific area is big, and absorption affinity is strong, for handling benzene,toluene,xylene, stench etc.
Waste gas, multiple treatment by stages reaches processing highest standard, it is ensured that reach discharge standard.First demisting layer, the second demisting layer, the
It is serpentine channel in three demistings layer when contain aqueous vapor gas into inside demister, wall is encountered in the serpentine channel of complications,
Vapor adhesion flows to bottom along demisting dividing plate in being accumulated to constant weight above, under gravity and is collected, and then
The effect of demisting is reached, the effect of uniform air flow can be equally reached.Observation window facilitates situation in facilities for observation, can be very directly perceived
Discovery filler whether adsorption saturation, timely can change or clear up, it is ensured that equipment run when treatment effeciency reach highest.Storage
Gas in gas detecting instrument, gas detecting instrument detection air accumulator is provided with gas tank, if meeting discharge standard, just normal through going out
Air port discharge is outdoor；If not meeting discharge standard, gas detecting instrument sends a signal to controller, and controller opens valve,
Because valve and fan series connection, valve, which is powered, opens aft-fan also operation simultaneously, and the gas in air accumulator is pumped by pipeline
To current-sharing module, handled again again, until meeting gas discharge standard.
Brief description of the drawings
Fig. 1 is the external structure schematic diagram of the present invention；
Fig. 2 is the internal structure schematic diagram of the present invention.
Mark explanation：Air inlet 1, air outlet 2, sour absorbed layer 3, the first demisting layer the 4, first Alkali absorption the 5, second demisting of layer
Layer 6, efficient oxidation layer 7, electric demisting layer 8, efficiently catalyzing and oxidizing layer the 9, second Alkali absorption the 10, the 3rd demisting of layer layer 11, flow mould
Block 12, filler 13, observation window 14, air accumulator 15, pipeline 16, fan 17, the first spraying layer 31, the first water pump 32, the first solvent
Tank 33, the second spraying layer 51, the second water pump 52, the second solvent tank 53, the 3rd spraying layer 71, the 3rd water pump 72, the 3rd solvent tank
73rd, the 4th spraying layer 101.
Embodiment
Embodiments of the invention are described in further detail below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, waste gas is entered in equipment by air inlet 1, by current-sharing module 12, in current-sharing module 12
Provided with multiple airflow holes, before turbulent gas into devices, gas is set to be flowed into aftertreatment device by current equalizer
Property more stablize, react more abundant, and then reach optimization process effect.Pass through sour absorbed layer 3, the first water pump after waste gas turbulent flow
32 operations, the dilute sulfuric acid in the first solvent tank 33 is pumped to the first spraying layer 31, solution atomization is sprayed by atomizer,
Contact area is greatly increased, is handled for the methyl mercaptan in waste gas.Remainder of exhaust gas enters the first alkali by the first demisting layer 4
Absorbed layer 5, demisting layer is serpentine channel, encounters wall in tortuous serpentine channel, and vapor adhesion in being accumulated to one above
Determine weight, flowing to bottom along demisting dividing plate under gravity is collected, and then reaches the effect of demisting, equally can be with
The effect of uniform air flow is reached, the second water pump 52, which is run, pumps the sodium hydroxide in the second solvent tank 53 to the second spraying layer
51, atomized spray, for the hydrogen sulfide treatment in waste gas.Waste gas after processing enters efficient oxidation layer by the second demisting layer 6
7, the 3rd water pump 72 is run, and the sodium hypochlorite in the 3rd solvent tank 73 is pumped to the 3rd spraying layer 71, for handling in waste gas
Ammonia；Remaining remaining waste gas, by entering the second Alkali absorption layer 10, second after electric demisting layer 8, efficiently catalyzing and oxidizing layer 9
Water pump 52, which is run, pumps the sodium hydroxide in the second solvent tank 53 to the 4th spraying layer 101, reacts produce before processing again
Sour gas, remaining fog is finally removed by the 3rd demisting layer 11 again, gas handle, which is concentrated, enters air accumulator 15, stores up
Gas in gas detecting instrument, gas detecting instrument detection air accumulator 15 is provided with gas tank 15, if meeting discharge standard, with regard to positive normal open
Cross air outlet 2 and discharge outdoor；If not meeting discharge standard, gas detecting instrument sends a signal to controller, and controller is by valve
Open, because valve and fan 17 are connected, valve, which is powered, opens the also operation simultaneously of aft-fan 17, and the gas in air accumulator 15 is led to
Piping 16 is pumped to current-sharing module 12, is handled again again, until meeting gas discharge standard.Utilize integration
Facility, carries out the comprehensive regulation to sulfide hydrogen, methyl mercaptan, ammonia and VOCs foul waste gas, reaches emission request, it is ensured that discharge
The gas gone out will not produce secondary pollution, and not have residual harmful gas.Sour absorbed layer 3, the first Alkali absorption layer 5, efficiently
Filler 13 is equipped with oxide layer 7, the second Alkali absorption layer 10, filler 13 is spherical ceramic material, and spherical ceramic filler compares surface
Product is big, and absorption affinity is strong, and for handling the waste gas such as benzene,toluene,xylene, stench, multiple treatment by stages reaches processing highest
Standard, it is ensured that reach discharge standard.Observation window 14 facilitates situation in facilities for observation, can intuitively find whether filler adsorbs very much
Saturation, timely can change or clear up, it is ensured that treatment effeciency reaches highest when equipment is run.
It the above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention should be regarded as the protection of the present invention
Scope.
Claims (8)
1. a kind of sewage plant foul waste gas abatement equipment, including air inlet（1）And air outlet（2）It is characterized in that：Air inlet（1）
Place is provided with current-sharing module（12）；The air inlet（1）Connection has sour absorbed layer（3）；The sour absorbed layer（3）Inside it is provided with the first spray
Drenching layer（31）；First spraying layer（31）Pass through water pipe and the first water pump（32）Connection；First water pump（32）Pass through water
Pipe connection has the first solvent tank（33）；The sour absorbed layer（3）One end couples air inlet（1）Other end connection has the first demisting layer
（4）；The first demisting layer（4）Also connection has the first Alkali absorption layer（5）；The first Alkali absorption layer（5）Inside it is provided with the second spray
Drenching layer（51）；Second spraying layer（51）Pass through water pipe and the second water pump（52）Connection；Second water pump（52）Pass through water
Pipe connection has the second solvent tank（53）；The first Alkali absorption layer（5）One end connection has the first demisting layer（4）, other end connection
There is the second demisting layer（6）；The second demisting layer（6）One end connection has the first Alkali absorption layer（5）, the other end, which couples, efficient oxygen
Change layer（7）；The efficient oxidation layer（7）Inside it is provided with the 3rd spraying layer（71）；3rd spraying layer（71）Pass through water pipe and
Three water pumps（72）Connection；3rd water pump（72）There is the 3rd solvent tank by water pipe connection（73）；The efficient oxidation layer（7）
Also connection has electric demisting layer（8）；The electric demisting layer（8）One end and efficient oxidation layer（7）Connection, other end connection, which has, efficiently urges
Change oxide layer（9）；The efficiently catalyzing and oxidizing layer（9）Connection has the second Alkali absorption layer（10）；The second Alkali absorption layer（10）
Provided with the 4th spraying layer（101）；4th spraying layer（101）Pass through water pipe and the second water pump（52）Connection；Second alkali
Absorbed layer（10）Pass through the 3rd demisting layer（11）And air accumulator（15）Connection；The air accumulator（15）Pass through pipeline（16）With flowing
Module（12）Connection；The pipeline（16）It is interior to be provided with fan（17）；The air accumulator（15）It is interior to be provided with gas detecting instrument；The gas
Body detector couples with controller；The pipeline（16）Two ends are equipped with valve；The controller couples with valve；The fan
（17）Connected with valve；The sour absorbed layer（3）, the first Alkali absorption layer（5）, efficient oxidation layer（7）, the second Alkali absorption layer（10）
Inside it is equipped with filler（13）.
2. a kind of sewage plant foul waste gas abatement equipment as claimed in claim 1, it is characterised in that：Current-sharing module is provided with more
Individual airflow hole.
3. a kind of sewage plant foul waste gas abatement equipment as claimed in claim 1, it is characterised in that：The sour absorbed layer（3）、
First Alkali absorption layer（5）, efficient oxidation layer（7）, the second Alkali absorption layer（10）Outside is equipped with observation window（14）.
4. a kind of sewage plant foul waste gas abatement equipment as claimed in claim 1, it is characterised in that：First solvent tank
（33）Built with dilute sulfuric acid；Second solvent tank（53）Built with sodium hydroxide；3rd solvent tank（73）Built with secondary
Sodium chlorate.
5. a kind of sewage plant foul waste gas abatement equipment as claimed in claim 1, it is characterised in that：First spraying layer
（31）, the second spraying layer（51）, the 3rd spraying layer（71）With the 4th spraying layer（101）Constituted by multiple atomizers.
6. a kind of sewage plant foul waste gas abatement equipment as claimed in claim 1, it is characterised in that：The filler（13）For ball
Shape ceramic material.
7. a kind of sewage plant foul waste gas abatement equipment as claimed in claim 1, it is characterised in that：First demisting layer（4）,
Two demistings layer（6）, the 3rd demisting layer（11）It is inside serpentine channel.
8. a kind of processing method of sewage plant foul waste gas abatement equipment as claimed in claim 1, it is characterised in that including such as
Lower step：
Step 1：Waste gas is by air inlet（1）Into being first passed through current-sharing module（12）Sour absorbed layer is flowed into after steady air flow（3）；
Step 2：Sour absorbed layer（3）Interior first spraying layer（31）Spray after the methyl mercaptan in dilute sulfuric acid and in waste gas, drain into first
Demisting layer（4）, demisting heel row to the first Alkali absorption layer（5）In；
Step 3：First Alkali absorption layer（5）Interior second spraying layer（51）Spray after the hydrogen sulfide in sodium hydroxide and in waste gas, row
To the second demisting layer（6）, demisting heel row to efficient oxide layer（7）In；
Step 4：Efficient oxidation layer（7）Interior 3rd spraying layer（71）Spray after the ammonia in sodium hypochlorite processing waste gas, its surplus
Under waste gas, pass through electric demisting layer（8）, efficiently catalyzing and oxidizing layer（9）Enter the second Alkali absorption layer afterwards（10）；
Step 5：Second Alkali absorption layer（10）Interior 4th spraying layer（101）The acid produced in sprinkling sodium hydroxide and after catalysis oxidation
Property waste gas；
Step 6：Finally pass through the 3rd demisting layer again（11）Remaining fog is removed, the gas handled, which is concentrated, enters air accumulator
（15）, air accumulator（15）It is interior to be provided with gas detecting instrument, gas detecting instrument detection air accumulator（15）Interior gas；Such as meet discharge mark
Standard, directly by air outlet（2）Discharge；Discharge standard is not met such as, then controller, controller is sent a signal to by gas detecting instrument
Valve is opened, because valve and fan（17）Series connection, valve, which is powered, opens aft-fan（17）Also run simultaneously, by air accumulator
（15）Interior gas passes through pipeline（16）Pump to current-sharing module（12）And repeat step 1 is to step 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311082.5A CN106984151A (en) | 2017-05-05 | 2017-05-05 | A kind of sewage plant foul waste gas abatement equipment and processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311082.5A CN106984151A (en) | 2017-05-05 | 2017-05-05 | A kind of sewage plant foul waste gas abatement equipment and processing method |
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| CN106984151A true CN106984151A (en) | 2017-07-28 |
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|---|---|---|---|---|
| CN115025611A (en) * | 2022-07-12 | 2022-09-09 | 景德镇富祥生命科技有限公司 | Method for effectively removing peculiar smell of ascomycin fermentation tail gas |
| CN115025611B (en) * | 2022-07-12 | 2024-03-29 | 景德镇富祥生命科技有限公司 | Method for effectively removing odor of ascomycin fermentation tail gas |
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Application publication date: 20170728 |