CN207786310U - A kind of exhaust treatment system of deep removal organic matter - Google Patents
A kind of exhaust treatment system of deep removal organic matter Download PDFInfo
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- CN207786310U CN207786310U CN201820001678.5U CN201820001678U CN207786310U CN 207786310 U CN207786310 U CN 207786310U CN 201820001678 U CN201820001678 U CN 201820001678U CN 207786310 U CN207786310 U CN 207786310U
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Abstract
The utility model is related to a kind of exhaust treatment system of deep removal organic matter, which includes：Wet oxidation tower, wet type caustic wash tower, dehumidification equipment, active carbon adsorption equipment, centrifugal blower and exhaust tube.Wet oxidation tower, wet type caustic wash tower, dehumidification equipment, active carbon adsorption equipment, centrifugal blower and exhaust tube are sequentially connected by pipeline.The system further comprises：Pipeline folding control device and PLC control cabinet, pipeline closing device are arranged on pipeline, and PLC control cabinet is connect with pipeline closing device.Tail gas to be treated flows into wet oxidation tower after being collected via tail gas collecting device set in addition, is drained among air after then flowing through wet type caustic wash tower, dehumidification equipment, active carbon adsorption equipment, centrifugal blower and exhaust tube by pipeline.The system treatment effeciency is high, vent gas treatment effect is good, facility compact and operational management are simple.
Description
Technical field
The utility model is related to a kind of exhaust treatment systems, and in particular to a kind of vent gas treatment system of deep removal organic matter
System.
Background technology
Many industrial tail gas are often will produce during modern industrial production, and with discharge standard of air pollutants
It improves year by year, traditional exhaust gas treating method often can not make exhaust emissions reach emission request.
By one produce polyester polyol enterprise for, in polyester polyol production process and its daily operation its
He often will produce that organic concentration is higher and the tail gas of complicated component in the process.For example, in the tail gas may contain PTA,
A variety of chemical substances such as hydrogen sulfide, methyl mercaptan, methyl sulfide, ammonia, itrogenous organic substance, oxygen-bearing organic matter, hydro carbons.
It is de- therefore, it is necessary to targetedly develop a kind of depth due to the complicated component and high organic content of such tail gas
It solves the above problems except the exhaust treatment system of organic matter.
Invention content
To make up the deficiencies in the prior art, the application provides a kind of exhaust treatment system of deep removal organic matter, this is
Uniting, treatment effeciency is high, vent gas treatment effect is good, facility compact and operational management are simple.
The application on the one hand be to provide a kind of exhaust treatment system of deep removal organic matter, including：Wet oxidation tower,
Wet type caustic wash tower, dehumidification equipment, active carbon adsorption equipment, centrifugal blower and exhaust tube.Wet oxidation tower include the first tail gas into
Gas port, the first tail gas outlet, chemical washing liquid spray system and the first packing layer, the first tail gas outlet, chemical washing liquid
Spray system, the first packing layer and the first tail gas air inlet are set in turn in from top to bottom in wet oxidation tower.Wet type caustic wash tower
Including the second tail gas air inlet, the second tail gas outlet, lye spray system and the second packing layer, the second tail gas outlet, alkali
Liquid spray system, the second packing layer and the second tail gas air inlet are set in turn in from top to bottom in wet type caustic wash tower.Dehumidification equipment
Including third tail gas air inlet, third tail gas outlet, wet stock is removed, third tail gas outlet removes wet stock and third tail gas
Air inlet is set in turn in dehumidification equipment from top to bottom.Active carbon adsorption equipment includes the 4th tail gas air inlet, the 4th tail gas
Outlet, activated carbon adsorption bed, the 4th tail gas outlet, activated carbon adsorption bed and the 4th tail gas air inlet are set successively from top to bottom
It is placed in active carbon adsorption equipment.Wet oxidation tower, wet type caustic wash tower, dehumidification equipment, active carbon adsorption equipment, centrifugal blower and
Exhaust tube is sequentially connected by pipeline.
In some embodiments, chemical washing liquid spray system includes chemical washing liquid, and chemical washing liquid is by acid solution
It is mixed with liquor natrii hypochloritis.
In some embodiments, the acid solution in chemical washing liquid is sulfuric acid of the concentration between 0.5% to 5%, is changed
The effective chlorine density of the liquor natrii hypochloritis in cleaning solution is learned between 50ppm to 2000ppm.
In some embodiments, lye spray system includes lye, and lye is hydroxide of the concentration between 1% to 10%
Sodium.
In some embodiments, the inner surface of wet oxidation tower and/or wet type caustic wash tower is coated with once epoxy zinc-rich type
Priming paint further applies once epoxy finish on priming paint.
In some embodiments, the height of exhaust tube is greater than or equal to 15 meters.
In some embodiments, pipeline and wet oxidation tower, wet type caustic wash tower, dehumidification equipment, active carbon adsorption equipment and
It is connected by flange apparatus between centrifugal blower, sealing element is equipped in flange apparatus.
In some embodiments, pipeline is equipped with sample tap and sampling mouth sealing device.
In some embodiments, which further comprises：Pipeline folding control device and PLC control cabinet, pipeline folding
Device is arranged on pipeline, and PLC control cabinet is connect with pipeline closing device.
In some embodiments, pipeline folding control device is magnetic valve controller.
Description of the drawings
Presently filed embodiment is described in conjunction with the accompanying drawings, the application may be better understood, in attached drawing
In：
Fig. 1 is the signal according to a kind of exhaust treatment system of deep removal organic matter of one embodiment of the application
Figure.
Specific implementation mode
Unless otherwise defined, the technical term or scientific terminology used in the present specification and claims is should be
The ordinary meaning that the personage with general technical ability is understood in the technical field of the invention.That enumerates herein is all from most
Low value to the numerical value between peak, refer to when between minimum and peak differ two units more than when, minimum with most
All numerical value obtained as increment using a unit between high level.
The specific implementation mode of the present invention explained below, it should be pointed out that in the specific descriptions of these embodiments
In the process, in order to carry out brief and concise description, this specification can not possibly make in detail all features of actual embodiment
Most description.
The exemplary embodiment of the application is related to a kind of exhaust treatment system of deep removal organic matter, the system include according to
Wet oxidation tower 100, wet type caustic wash tower 200, dehumidification equipment 300, active carbon adsorption equipment 400, the centrifugal blower 500 of secondary connection
With exhaust tube 600.Wet oxidation tower 100, wet type caustic wash tower 200, dehumidification equipment 300, active carbon adsorption equipment 400, centrifugation wind
It is connected by pipeline 700 between machine 500 and exhaust tube 600, pipeline 700 can select PP material pipelines.In other embodiments
In, pipeline 700 and wet oxidation tower 100, wet type caustic wash tower 200, dehumidification equipment 300, active carbon adsorption equipment 400 and centrifugation wind
Flange apparatus can be selected to connect between machine 500, can be further provided with sealing element in the flange apparatus connection is sealed, example
Such as, it is equipped with sealing ring.In an exemplary embodiment, wet type oxygen is flowed into after tail gas is collected via tail gas collecting device set in addition
Change tower 100, wet type caustic wash tower 200, dehumidification equipment 300, active carbon adsorption equipment 400, centrifugation wind are then flowed through by pipeline 700
It is drained among air after machine 500 and exhaust tube 600.
In some embodiments, which further comprises pipeline folding control device and PLC control cabinet.It is one or more
Pipeline folding control device is arranged on pipeline 700, which, should to the break-make of control pipeline 700
Pipeline folding control device can be the magnetic valve controller by solenoid valve control.PLC control cabinet is controlled with pipeline folding
Device connection processed, to control one or more pipeline folding control devices.
In some embodiments, one or more of pipeline 700 are equipped with sample tap and sampling mouth sealing device, the sample tap
Sealing device can be cover board, pipe plug or pipe cap etc. with sealing element.In some embodiments, which is set as in hole
Diameter is greater than or equal to 80mm.
In some embodiments, the tower body of wet oxidation tower 100 is upright shape cylinder.The interior appearance of wet oxidation tower 100
Face can make blasting treatment, and surface treatment grade can be Sa2.5 grades.To ensure that cylinder is water-fast, antirust and corrosion-resistant, at some
In embodiment, the inner surface of wet oxidation tower 100 is coated with once epoxy zinc-rich type priming paint, and once ring is further applied on priming paint
Oxygen finishing coat.
100 top of wet oxidation tower is equipped with the first tail gas outlet and chemical washing liquid spray system, the chemical washing
Liquid spray system is for spraying chemical washing liquid.In some embodiments, in wet oxidation tower 100 select by acid solution with time
The chemical washing liquid that sodium chlorate solution mixes.Wherein, acid solution can select sulfuric acid or other acid solutions, at some
In embodiment, it is acid solution to select sulfuric acid of the concentration between 0.5% to 5%.In further embodiments, sodium hypochlorite is molten
Liquid can select liquor natrii hypochloritis of the effective chlorine density between 50ppm to 2000ppm, for example, selection effective chlorine density is
The liquor natrii hypochloritis of 500ppm.
The middle and lower part of wet oxidation tower 100 is equipped with the first packing layer, and first packing layer includes supporting plate, filler
And hold-down grid.The supporting plate is mounted on the inside of wet oxidation tower 100, is placed on filling out in wet oxidation tower 100
Material is equipped with hold-down grid to huddle or whole block prevents from being positioned on supporting plate above filler.The hold-down grid
It is blown for preventing filler to be raised air-flow.In some embodiments, filler can select polypropylene (PP), resin (CPVC),
The corrosion resistant materials such as polyvinyl chloride (PVC).Bed stuffing height can be 0.5 meter to 0.8 meter.The chemical washing liquid is from positioned at wet type
The chemical washing liquid spray system at 100 top of oxidizing tower is sprayed on filler, and is flowed down along filler surface.In other implementations
In example, multiple first packing layers are equipped in wet oxidation tower 100, two neighboring first packing layer in the multiple first packing layer
Between be further provided with fluid collection device and liquid redistribution device.The fluid collection device is filled out to collect from upper layer
Liquid under stream is simultaneously sent into liquid redistribution device.The liquid redistribution device is sprayed to lower layer after being distributed liquid again
On filler.
The lower section of first packing layer of wet oxidation tower 100 is equipped with the first tail gas air inlet.In some embodiments, tail gas
Wet oxidation tower 100 is entered by the first tail gas air inlet, by the first packing layer, the chemical washing liquid with the first filler layer surface
After contact, it is discharged by the first tail gas outlet positioned at 100 top of wet oxidation tower, subsequently enters wet type caustic wash tower 200.
In some embodiments, wet oxidation tower 100 further comprises that water tank and the circulatory system, the water tank are located at wet type
The bottom of oxidizing tower 100, the chemical washing liquid for being collected from chemical washing liquid spray system.The circulatory system is used for will
The all or part of chemical washing liquid being recycled to positioned at 100 top of wet oxidation tower of chemical washing liquid being collected into water tank sprays
Leaching system.
In further embodiments, wet oxidation tower 100 further comprises feeding device, and the feeding device is supplementing
Chemical washing liquid.Feeding device can be charge door, in some embodiments, seal cover board is further provided on charge door, use
To be sealed when charge door does not work.It may further include measuring device, such as pH measuring instruments in the feeding device,
To measure chemical washing liquid concentration, the supplement of chemical washing liquid can be made more accurate.
In some embodiments, 200 tower body of wet type caustic wash tower is upright shape cylinder, the surface treatment of tower body and coating material
Material can be approximate with wet oxidation tower 100, and this will not be repeated here.
200 top of wet type caustic wash tower is equipped with the second tail gas outlet and lye spray system, and the lye spray system is used
In spray lye.In some embodiments, the lye in wet type caustic wash tower 200 selects sodium hydroxide.In further embodiments,
Select sodium hydroxide of the concentration between 1% to 10%.
The middle and lower part of wet type caustic wash tower 200 is equipped with the second packing layer, and the second packing layer structure can be with wet oxidation
The first packing layer in tower 100 is approximate, and this will not be repeated here.
The lower section of first packing layer of wet type caustic wash tower 200 is equipped with the second tail gas air inlet.In some embodiments, tail gas
Wet type caustic wash tower 200 is entered by the second tail gas air inlet, by the second packing layer, is contacted with the lye of the second filler layer surface
Afterwards, it is discharged by the second tail gas outlet positioned at 200 top of wet type caustic wash tower, subsequently enters dehumidification equipment 300.
In some embodiments, wet type caustic wash tower 200 further comprises water tank and the circulatory system, the water tank and cyclic system
System can be close in wet oxidation tower 100, and this will not be repeated here.
In further embodiments, wet type caustic wash tower 200 further comprises feeding device, the feeding device can with it is wet
Close in formula oxidizing tower 100, this will not be repeated here.
In some embodiments, 300 top of dehumidification equipment is equipped with third tail gas outlet, and bottom is equipped with third tail gas air inlet
Mouthful, it is provided with except wet stock between third tail gas outlet and third tail gas air inlet, the cotton for example, refined filtration dehumidifies.
In some embodiments, 400 top of active carbon adsorption equipment is equipped with the 4th tail gas outlet, and bottom is equipped with the 4th tail
Gas air inlet is provided with one or more activated carbon adsorption beds between the 4th tail gas outlet and the 4th tail gas air inlet,
Activated carbon is installed in activated carbon adsorption bed.
In some embodiments, the height of exhaust tube 600 is greater than or equal to 15 meters.
By taking polyester polyols alcohol production vent gas treatment as an example, polyester polyols alcohol production tail gas organic concentration is higher and ingredient is multiple
It is miscellaneous, for example, it may contain p-phthalic acid (PTA), hydrogen sulfide, methyl mercaptan, methyl sulfide, ammonia, itrogenous organic substance, oxygen-containing
A variety of chemical substances such as organic matter, hydro carbons.During polyester polyols alcohol production, waste gas recovery dress is equipped with generally at washing tower (for removing CO2)
It sets, the polyester polyols alcohol production tail gas is recycled via waste gas recovering device, via the of gas pipeline and wet oxidation tower 100
One tail gas air inlet enters wet oxidation tower 100, and the polyester polyols alcohol production tail gas persistently rises through packing layer, with filler
After being contacted with the chemical washing liquid that liquor natrii hypochloritis mixes by acid solution of layer surface, the polyester polyols alcohol production
The substances such as the alkaline gas such as ammonia, trimethylamine in tail gas and vulcanization methyl and chemical washing liquid are removed after reacting, then
By the first tail gas outlet discharge positioned at 100 top of wet oxidation tower, into wet type caustic wash tower 200.In wet type caustic wash tower 200
Interior, the substances such as hydrogen sulfide, methyl mercaptan, vulcanization methyl, curing methyl in polyester polyols alcohol production tail gas and lye occur instead
Should after be removed.Polyester polyols alcohol production tail gas subsequently enters dehumidification equipment 300, and the moisture in tail gas flows into after being absorbed removal
Active carbon adsorption equipment 400.In active carbon adsorption equipment 400, hydro carbons, aromatic compound in polyester polyols alcohol production tail gas
Object is tightly held by activated carbon and removes without inorganic group substance etc..Then, treated tail gas draws by centrifugal blower 500
Wind, and air is discharged by exhaust tube 600.
This specification describes the application, including optimal mode with specific embodiment, and can help any to be familiar with sheet
The people of invented technology carries out experimental implementation, but is not intended to be limited to its protection domain.
Claims (10)
1. a kind of exhaust treatment system of deep removal organic matter, which is characterized in that the system comprises：It is wet oxidation tower, wet
Formula caustic wash tower, dehumidification equipment, active carbon adsorption equipment, centrifugal blower and exhaust tube；
The wet oxidation tower includes：First tail gas air inlet, the first tail gas outlet, chemical washing liquid spray system and first
Packing layer, the first tail gas outlet, the chemical washing liquid spray system, first packing layer and first tail gas
Air inlet is set in turn in from top to bottom in the wet oxidation tower；
The wet type caustic wash tower includes：Second tail gas air inlet, the second tail gas outlet, lye spray system and the second filler
Layer, the second tail gas outlet, the lye spray system, second packing layer and the second tail gas air inlet are from upper
It is set in turn under and in the wet type caustic wash tower；
The dehumidification equipment includes：Third tail gas air inlet, third tail gas outlet remove wet stock, the third tail gas discharge
Mouthful, it is described except wet stock and the third tail gas air inlet are set in turn in from top to bottom in the dehumidification equipment；
The active carbon adsorption equipment includes：4th tail gas air inlet, the 4th tail gas outlet, activated carbon adsorption bed, described
Four tail gas outlets, the activated carbon adsorption bed and the 4th tail gas air inlet are set in turn in the activated carbon from top to bottom
In adsorption plant；
The wet oxidation tower, the wet type caustic wash tower, the dehumidification equipment, the active carbon adsorption equipment, the centrifugation wind
Machine and the exhaust tube are sequentially connected by pipeline.
2. system according to claim 1, which is characterized in that the chemical washing liquid spray system includes chemical washing
Liquid, the chemical washing liquid are mixed by acid solution and liquor natrii hypochloritis.
3. system according to claim 2, which is characterized in that the acid solution in the chemical washing liquid is that concentration exists
The effective chlorine density of sulfuric acid between 0.5% to 5%, the liquor natrii hypochloritis in the chemical washing liquid is arrived in 50ppm
Between 2000ppm.
4. system according to claim 1, which is characterized in that the lye spray system includes lye, and the lye is
Sodium hydroxide of the concentration between 1% to 10%.
5. system according to claim 1, which is characterized in that the wet oxidation tower and/or the wet type caustic wash tower
Inner surface is coated with once epoxy zinc-rich type priming paint, and once epoxy finish is further applied on priming paint.
6. system according to claim 1, which is characterized in that the height of the exhaust tube is greater than or equal to 15 meters.
7. system according to claim 1, which is characterized in that the pipeline and the wet oxidation tower, the wet type alkali
It washes between tower, the dehumidification equipment, the active carbon adsorption equipment and/or the centrifugal blower and is connected by flange apparatus, institute
It states and is equipped with sealing element in flange apparatus.
8. system according to claim 1, which is characterized in that the pipeline is equipped with sample tap and sample tap sealing dress
It sets.
9. system according to claim 1, which is characterized in that the system further comprises：Pipeline folding control device
And PLC control cabinet, the pipeline closing device are arranged on pipeline, the PLC control cabinet connects with the pipeline closing device
It connects.
10. system according to claim 9, which is characterized in that the pipeline folding control device is solenoid valve control dress
It sets.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820001678.5U CN207786310U (en) | 2018-01-02 | 2018-01-02 | A kind of exhaust treatment system of deep removal organic matter |
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| CN201820001678.5U CN207786310U (en) | 2018-01-02 | 2018-01-02 | A kind of exhaust treatment system of deep removal organic matter |
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| CN207786310U true CN207786310U (en) | 2018-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403208A (en) * | 2020-11-28 | 2021-02-26 | 河南源宏高分子新材料有限公司 | Polyester device tail gas treatment system |
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2018
- 2018-01-02 CN CN201820001678.5U patent/CN207786310U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403208A (en) * | 2020-11-28 | 2021-02-26 | 河南源宏高分子新材料有限公司 | Polyester device tail gas treatment system |
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