CN109847577A - A kind of plasma and charcoal adsorb the off-gas cleaning equipment combined - Google Patents
A kind of plasma and charcoal adsorb the off-gas cleaning equipment combined Download PDFInfo
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- CN109847577A CN109847577A CN201910143929.2A CN201910143929A CN109847577A CN 109847577 A CN109847577 A CN 109847577A CN 201910143929 A CN201910143929 A CN 201910143929A CN 109847577 A CN109847577 A CN 109847577A
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Abstract
The present invention relates to a kind of plasmas and charcoal to adsorb the off-gas cleaning equipment combined.Including the charcoal absorbent module being connected by gas piping and plasma cleaning component, it is equipped with condensing recovery component in charcoal absorbent module, centrifugal blower is equipped on plasma cleaning component；Charcoal absorbent module includes absorption casing, and gas filter plate and multiple groups active carbon container are equipped in absorption casing；Notch is offered in the top and bottom of active carbon container；Inlet port and outlet port corresponding with notch position are respectively equipped at the top and bottom of absorption casing；Condensing recovery component includes that the hot-air being arranged in absorption casing is passed through system and the hot-air recovery system with condenser；Plasma cleaning component includes the plasma chamber being connected with absorption casing, is successively arranged Air Heater and adsorption box in plasma case body, and plasma generator is equipped between Air Heater and adsorption box.The replacement of active carbon of the invention is simple, purification efficiency is high and good purification.
Description
Technical field
The invention belongs to technical field of waste gas treatment more particularly to a kind of plasma and charcoal to adsorb the waste gas purification combined
Equipment.
Background technique
Recently as expanding economy, the industry developments such as various chemical industry, coating, furniture, toy, electronics, spraying are rapid,
Also cause a large amount of industrial organic exhaust gas to be discharged into atmosphere simultaneously, seriously affects atmosphere quality, while also bringing to human health
Harm.
Currently, the technologies such as the active charcoal absorption of VOCs treatment technology, photooxidation, low temperature plasma, catalysis burning,
But various technologies have the shortcomings that its is obvious, such as activated carbon adsorption is easily saturated, replacement is difficult；Plasma cleaning efficiency is lower
The disadvantages of.
Summary of the invention
The present invention be solve technical problem present in well-known technique and provide it is a kind of it is reasonable in design, purification efficiency is high
And the plasma and charcoal of good purification adsorb the off-gas cleaning equipment combined.The present invention adsorbs charcoal and plasma treatment phase
In conjunction with, can to organic exhaust gas adsorption be desorbed and decompose, oxidation processes, while by the replacement of active carbon simplify.
The technical scheme adopted by the present invention to solve the technical problems existing in the known art is that a kind of plasma and charcoal
The off-gas cleaning equipment that combines is adsorbed, including the charcoal absorbent module being connected by gas piping and plasma cleaning component,
It is communicated with condensing recovery component in charcoal absorbent module, is communicated with centrifugal blower on plasma cleaning component；Charcoal absorbent module
Including the absorption casing for offering air inlet and air outlet and gas outlet is connected with plasma cleaning component, in absorption casing
Gas filter plate is equipped at interior, neighbouring air inlet；It is longitudinally arranged side by side that multiple groups are equipped between gas filter plate and the gas outlet of absorption casing
It is arranged and the internal active carbon container for being equipped with active carbon；Multiple groups through-hole is offered on the side wall of active carbon container, in work
The top and bottom of property charcoal container offer notch；It is respectively equipped at the top and bottom of absorption casing and is accommodated with active carbon
The corresponding inlet port and outlet port of the notch position of box, are equipped with buckle closure in inlet port and outlet port；Absorption casing into
Shut-off valve is equipped at port and gas outlet；Condensing recovery component include absorption casing bottom be arranged can be to absorption casing
Inside be passed through the hot-air of hot-air and be passed through system；The hot-air being connected with its inner cavity is equipped at the top of absorption casing to return
Receipts system is communicated with condenser in the outlet side of hot-air recovery system；Plasma cleaning component include offer air inlet and
The plasma chamber that gas outlet and air inlet are connected with the air outlet of absorption casing, in plasma case body at neighbouring air inlet
Equipped with the internal adsorption box for being equipped with active carbon is equipped at Air Heater, neighbouring air outlet, be equipped between Air Heater and adsorption box etc.
Ion generator.
The advantages and positive effects of the present invention are: the present invention provides the exhaust gas that a kind of plasma and charcoal absorption combine is net
Change equipment, is used to recycle the nocuousness in the exhaust gas that charcoal absorbent module is desorbed by the way that condensing recovery component is arranged in charcoal absorbent module
Plasma cleaning component is arranged in the exhaust gas outlet of charcoal absorbent module in substance, and the plasma in plasma cleaning component occurs
Device can produce high energy electron, free radical isoreactivity particle, and active particle is harmful to the remnants in the exhaust gas after charcoal adsorption treatment
Substance such as is decomposed, is aoxidized at the chemical reaction, then through the active carbon in adsorption box to decompose, the waste gas purification by adsorbsion after oxidation,
Double purification processing is ultimately formed, effectively raises the efficiency and effect of waste gas purification, using effect is good；The setting of Air Heater
The gas for flowing into plasma chamber can be covered with to the inner cavity of entire photodissociation cabinet, improve ion cleaning component to a certain extent
Purification efficiency.
Preferably: the stock guide that active carbon can be imported to discharge port is equipped at the bottom plate rabbet of active carbon container.
Preferably: it includes the hot-air general pipeline being connected with heated air source that hot-air, which is passed through system, on hot-air general pipeline
It is communicated with the hot-air branch pipe that multiple groups are connected with the inner cavity of absorption casing, hot-air branch pipe is respectively distributed to two groups of adjacent work
Property charcoal container between, on hot-air general pipeline be equipped with pressure reducing valve, on hot-air branch pipe be equipped with ball valve；Hot-air recovery system
Including the gas gathering mask being connected with the inner cavity of absorption casing being arranged at the top of absorption casing, hot sky is communicated on gas gathering mask
The outlet side of gas recovery tube, hot-air recovery tube is connected with condenser.
Preferably: Air Heater includes the Air Heater box body of two relative side opening, and it is equal that multiple groups are equipped in Air Heater box body
Aerofoil, homogenating plate are the trapezoidal bending plate in section；Homogenating plate genesis analysis and perpendicular to airflow direction, the opening side of homogenating plate
To backwards to airflow direction；The dogleg section of two adjacent homogenating plates constitutes airflow channel that can be for gas to pass through；The equal wind
Plate is interspersed in Air Heater box body in the homogenating plate of multiple rows of distribution and front and back adjacent row.
Preferably: plasma generator includes multiple plasma generation units and plasma generation unit is arranged in arrays.
Preferably: in plasma case body, between plasma generator and adsorption box be equipped with photooxidation catalyst light
Catalysis net and multiple groups quartz burner.
Preferably: in plasma case body, close to filter cotton is equipped at Air Heater, filter cotton is in the leeward of Air Heater
Side.
Detailed description of the invention
Fig. 1 is main view broken section structural schematic diagram of the invention；
Fig. 2 is the schematic cross-sectional view of the Air Heater in the present invention.
In figure: 1, condensing recovery component；1-1, hot-air general pipeline；1-2, pressure reducing valve；1-3, hot-air branch pipe；1-4, heat are empty
Gas recovery tube；1-5, condenser；2, charcoal absorbent module；2-1, absorption casing；2-2, discharge port；2-3, stock guide；2-4, gas
Filter plate；2-5, active carbon container；2-6, feed inlet；3, gas piping；4, shut-off valve；5, plasma cleaning component；5-1, etc.
Ion cabinet；5-2, filter cotton；5-3, plasma generator；5-4, adsorption box；5-5, Air Heater；5-5-1, Air Heater box body；
5-5-2, homogenating plate；5-6, photocatalysis net；5-7, quartz burner；6, centrifugal blower.
Specific embodiment
In order to further understand the content, features and effects of the present invention, hereby lifting following embodiment, detailed description are as follows:
Referring to Figure 1, plasma of the invention and charcoal adsorb the off-gas cleaning equipment combined, including pass through gas piping
The 3 charcoal absorbent modules 2 being connected and plasma cleaning component 5, are communicated with condensing recovery component 1 in charcoal absorbent module 2, are waiting
Centrifugal blower 6 is communicated on ion cleaning component 5.It is used to recycle charcoal by the way that condensing recovery component 1 is arranged in charcoal absorbent module 2
Plasma cleaning component 5 is arranged in the exhaust gas outlet of charcoal absorbent module 2 in the harmful substance in exhaust gas that absorbent module 2 is desorbed,
It is anti-that plasma cleaning component 5 such as can be decomposed, be aoxidized to the remaining harmful substance in the exhaust gas after charcoal adsorption treatment at the chemistry
It answers, forms double purification processing.
Charcoal absorbent module 2 includes offering air inlet and air outlet and gas outlet is connected with plasma cleaning component 5
Absorption casing 2-1 is equipped with gas filter plate 2-4 in absorption casing 2-1, at neighbouring air inlet；In gas filter plate 2-4 and adsorption box
Multiple groups are equipped between the gas outlet of body 2-1 to be longitudinally set side by side and the internal active carbon container 2-5 for being equipped with active carbon.
Multiple groups through-hole is offered on the side wall of active carbon container 2-5, in the top and bottom of active carbon container 2-5
Offer notch；It is respectively equipped at the top and bottom of absorption casing 2-1 corresponding with the notch position of active carbon container 2-5
Feed inlet 2-6 and discharge port 2-2, buckle closure is equipped on feed inlet 2-6 and discharge port 2-2, active carbon container 2-5's
The stock guide 2-3 that active carbon can be imported to discharge port 2-2 is equipped at bottom plate rabbet.When needing replacing active carbon, discharging is opened
Buckle closure on mouth 2-2, active carbon can flow to discharge port 2-2 under the action of stock guide 2-3, when active carbon container 2-5 is emptied
After active carbon, the buckle closure on top discharge mouth 2-2 fastened, open the buckle closure on feed inlet 2-6, infuse into active carbon container 2-5
Enter active carbon, replacement process is simple and convenient.Shut-off valve 4 is equipped at the air inlet and air outlet of absorption casing 2-1.
Condensing recovery component 1 includes that can be passed through heat to the inside of absorption casing 2-1 what the bottom of absorption casing 2-1 was arranged
The hot-air of air is passed through system；The hot-air recovery system being connected with its inner cavity is equipped at the top of absorption casing 2-1,
The outlet side of hot-air recovery system is communicated with condenser 1-5.
It includes the hot-air general pipeline 1-1 being connected with heated air source that hot-air, which is passed through system, is connected on hot-air general pipeline 1-1
It is connected with the hot-air branch pipe 1-3 that multiple groups are connected with the inner cavity of absorption casing 2-1, hot-air branch pipe 1-3 is respectively distributed to adjacent
Two groups of active carbon container 2-5 between, on hot-air general pipeline 1-1 be equipped with pressure reducing valve 1-2, set on hot-air branch pipe 1-3
There is ball valve.
Hot-air recovery system includes being connected what the top of absorption casing 2-1 was arranged with the inner cavity of absorption casing 2-1
Gas gathering mask, hot-air recovery tube 1-4, outlet side and the condenser 1-5 phase of hot-air recovery tube 1-4 are communicated on gas gathering mask
Connection.
Plasma cleaning component 5 includes the air outlet for offering air inlet and air outlet and air inlet and absorption casing 2-1
The plasma chamber 5-1 being connected, equipped with Air Heater 5-5, at air outlet at neighbouring air inlet in plasma chamber 5-1
Equipped with the internal adsorption box 5-4 for being equipped with active carbon, plasma generator 5-3 is equipped between Air Heater 5-5 and adsorption box 5-4.
Plasma generator 5-3 includes multiple plasma generation units and plasma generation unit is arranged in arrays.
The principle of plasma generator 5-3 processing organic exhaust gas are as follows: use pulsed high-frequency high pressure plasma power supply and yin
Pole needle-discharging device, cathode needle discharge type generate high concentration ion, puncture air and waste gas molecule, and a series of differentiation occur and split
Solution reaction, generates high concentration, high intensity, the living radical of high-energy and various electronics, ion isoreactivity particle, active particle
Activation ionizes, each group composition in cracking industrial waste gas, is allowed to decompose, the complicated chemical reaction of some column such as oxidation.If
The adsorption box 5-4 of active charcoal can be to decomposition, and the exhaust gas after oxidation carries out adsorption treatment.
In plasma chamber 5-1, close to filter cotton 5-2 is equipped at Air Heater 5-5, filter cotton 5-2 is in Air Heater 5-5
Downwind side.
As shown in Fig. 2, Air Heater 5-5 includes the Air Heater box body 5-5-1 of two relative side opening, in Air Heater box body 5-
Multiple groups homogenating plate 5-5-2 is equipped in 5-1, homogenating plate 5-5-2 is the trapezoidal bending plate in section；Homogenating plate 5-5-2 genesis analysis
And perpendicular to airflow direction, the open direction of homogenating plate 5-5-2 is backwards to airflow direction；The folding of two adjacent homogenating plate 5-5-2
Bight portion constitutes airflow channel that can be for gas to pass through；Homogenating plate 5-5-2 in Air Heater box body 5-5-1 in it is multiple rows of distribution and it is preceding
The homogenating plate 5-5-2 of adjacent row is interspersed afterwards.Exhaust gas can be covered with entire plasma chamber 5-1 by the setting of Air Heater 5-5
The setting of inner cavity, filter cotton 5-2 may filter that the molecule in exhaust gas, carry out to the exhaust gas for entering the inner cavity plasma chamber 5-1
Pretreatment.
In order to further increase the clean-up effect of this equipment, in plasma chamber 5-1, plasma generator 5-3 and suction
Photocatalysis net 5-6 and multiple groups quartz burner 5-7 with photooxidation catalyst are equipped between attached box 5-4.Quartz burner 5-7 and
Photocatalysis net 5-6 usage quantity is depending on environment purification requirement, and under normal circumstances, air cleaning requires higher or discharge gas
Organic compounds amount is more, addition quantity it is more so that enhancing clean-up effect, quartz burner 5-7 and photocatalysis net 5-6 hand over
Fork is arranged in plasma chamber 5-1.Photocatalysis net 5-6 be that be located in plasma chamber 5-1 inner section netted is urged
Agent carrier.Quartz burner 5-7 and toxic and harmful gas in the degradable exhaust gas of photocatalysis net 5-6 collective effect, kill it is more
Kind bacterium.
Absorption casing 2-1 and plasma chamber 5-1 is the intermediate cabinet gradually narrowed in cuboid, both ends, both ends by
It tapers narrow place and constitutes air inlet and air outlet, that is, form clarifier box small in the end and big in the middle, intermediate big position can increase shell
Internal waste gas purification area, promotes clean-up effect.
The course of work: organic compounds are emitted into absorption casing 2-1, and the active carbon in active carbon container 2-5 is inhaled
After attached processing, harmful substance is tightly held by activated carbon in exhaust gas, after active carbon saturation, is passed through hot-air into absorption casing 2-1
It is desorbed, when the active carbon temperature in active carbon container 2-5 reaches desorption temperature, is opened on hot-air recovery tube 1-4
Ball valve, hot-air carries organic matter and leads to condenser 1-5, recycles the harmful substance that is desorbed out by condenser 1-5；After absorption
Exhaust gas is delivered into plasma chamber 5-1 by gas piping 3, and the exhaust gas of entrance is covered with entire plasma case by Air Heater 5-5
The inner cavity body 5-1, filter cotton 5-2 filter out the molecule in exhaust gas；Plasma generator 5-3 work generates a large amount of active grain
Son, active particle activation, ionization, each group composition in cracking industrial waste gas, be allowed to decompose, and some column such as oxidation are complicated
Chemical reaction is to purify the organic matter in exhaust gas；Meanwhile quartz burner 5-7 and photocatalysis net 5-6 collective effect,
Toxic and harmful gas in degradable exhaust gas kills various bacteria, and treated gas is through the activated carbon adsorption in adsorption box 5-4
Processing, after realizing the quality for advanced optimizing discharge gas, last processed exhaust gas is discharged under the action of centrifugal blower 6.
Claims (7)
1. a kind of plasma and charcoal adsorb the off-gas cleaning equipment combined, it is characterized in that: including being connected by gas piping (3)
Logical charcoal absorbent module (2) and plasma cleaning component (5), is communicated with condensing recovery component (1) on charcoal absorbent module (2),
Centrifugal blower (6) are communicated on plasma cleaning component (5)；
Charcoal absorbent module (2) includes offering air inlet and air outlet and gas outlet is connected with plasma cleaning component (5)
Absorption casing (2-1) is equipped with gas filter plate (2-4) in absorption casing (2-1), at neighbouring air inlet；At gas filter plate (2-4)
Multiple groups are equipped between the gas outlet of absorption casing (2-1) to be longitudinally set side by side and the internal active carbon container for being equipped with active carbon
(2-5)；Multiple groups through-hole is offered on the side wall of active carbon container (2-5), at the top and bottom of active carbon container (2-5)
Portion offers notch；The notch position with active carbon container (2-5) is respectively equipped at the top and bottom of absorption casing (2-1)
Corresponding feed inlet (2-6) and discharge port (2-2) are set, is equipped with buckle closure on feed inlet (2-6) and discharge port (2-2)；It is inhaling
Shut-off valve (4) are equipped at the air inlet and air outlet of attached cabinet (2-1)；
Condensing recovery component (1) is included in being passed through to the inside of absorption casing (2-1) for the bottom setting of absorption casing (2-1)
The hot-air of hot-air is passed through system；The hot-air recycling system being connected with its inner cavity is equipped at the top of absorption casing (2-1)
System, is communicated with condenser (1-5) in the outlet side of hot-air recovery system；
Plasma cleaning component (5) includes the air outlet for offering air inlet and air outlet and air inlet and absorption casing (2-1)
The plasma chamber (5-1) being connected, equipped with Air Heater (5-5), adjacent to out at neighbouring air inlet in plasma chamber (5-1)
The internal adsorption box (5-4) for being equipped with active carbon is equipped at air port, between Air Heater (5-5) and adsorption box (5-4) equipped with etc. from
Electronic generator (5-3).
2. plasma as described in claim 1 and charcoal adsorb the off-gas cleaning equipment combined, it is characterized in that: holding in active carbon
Set the stock guide (2-3) for being equipped at the bottom plate rabbet of box (2-5) and active carbon being imported to discharge port (2-2).
3. plasma as described in claim 1 and charcoal adsorb the off-gas cleaning equipment combined, it is characterized in that: hot-air is passed through
System includes the hot-air general pipeline (1-1) being connected with heated air source, and multiple groups and absorption are communicated on hot-air general pipeline (1-1)
The hot-air branch pipe (1-3) that the inner cavity of cabinet (2-1) is connected, hot-air branch pipe (1-3) are respectively distributed to two groups of adjacent work
Property charcoal container (2-5) between, be equipped with pressure reducing valve (1-2) on hot-air general pipeline (1-1), set on hot-air branch pipe (1-3)
There is ball valve；Hot-air recovery system is included in being connected with the inner cavity of absorption casing (2-1) for the top setting of absorption casing (2-1)
Logical gas gathering mask is communicated with hot-air recovery tube (1-4) on gas gathering mask, the outlet side of hot-air recovery tube (1-4) and condensation
Device (1-5) is connected.
4. plasma as described in claim 1 and charcoal adsorb the off-gas cleaning equipment combined, it is characterized in that: Air Heater (5-
5) include two relative side opening Air Heater box body (5-5-1), multiple groups homogenating plate is equipped in the Air Heater box body (5-5-1)
(5-5-2), homogenating plate (5-5-2) are the trapezoidal bending plate in section；Homogenating plate (5-5-2) genesis analysis and perpendicular to air-flow side
To the open direction of homogenating plate (5-5-2) is backwards to airflow direction；The dogleg section of two adjacent homogenating plates (5-5-2) is constituted
Airflow channel that can be for gas to pass through；The homogenating plate (5-5-2) is in multiple rows of distribution and front and back in Air Heater box body (5-5-1)
The homogenating plate (5-5-2) of adjacent row is interspersed.
5. plasma as described in claim 1 and charcoal adsorb the off-gas cleaning equipment combined, it is characterized in that: plasma occurs
Device (5-3) includes multiple plasma generation units and plasma generation unit is arranged in arrays.
6. plasma as described in claim 1 and charcoal adsorb the off-gas cleaning equipment combined, it is characterized in that: in plasma case
In body (5-1), the photocatalysis net (5-6) with photooxidation catalyst is equipped between plasma generator (5-3) and adsorption box (5-4)
With multiple groups quartz burner (5-7).
7. plasma as described in claim 1 and charcoal adsorb the off-gas cleaning equipment combined, it is characterized in that: in plasma case
In body (5-1), close to filter cotton (5-2) is equipped at Air Heater (5-5), filter cotton (5-2) is in the downwind side of Air Heater (5-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910143929.2A CN109847577A (en) | 2019-02-27 | 2019-02-27 | A kind of plasma and charcoal adsorb the off-gas cleaning equipment combined |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910143929.2A CN109847577A (en) | 2019-02-27 | 2019-02-27 | A kind of plasma and charcoal adsorb the off-gas cleaning equipment combined |
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| CN109847577A true CN109847577A (en) | 2019-06-07 |
Family
ID=66899116
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| CN201910143929.2A Pending CN109847577A (en) | 2019-02-27 | 2019-02-27 | A kind of plasma and charcoal adsorb the off-gas cleaning equipment combined |
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Application publication date: 20190607 |
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