CN207035790U - Industrial VOC waste gas residual heats drying process system - Google Patents
Industrial VOC waste gas residual heats drying process system Download PDFInfo
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- CN207035790U CN207035790U CN201720387236.4U CN201720387236U CN207035790U CN 207035790 U CN207035790 U CN 207035790U CN 201720387236 U CN201720387236 U CN 201720387236U CN 207035790 U CN207035790 U CN 207035790U
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model discloses a kind of industrial VOC waste gas residual heats drying process system, including spray process module, irradiation modules and with combustion decomposition module, exhaust emission tube is connected with the spray process module, the spray process module is connected with the dry channel of the irradiation modules, the irradiation modules are connected with the combustion decomposition module, the combustion decomposition module is arranged in parallel by heat-storage type burner and catalytic burner to be formed, and the discharge fume pipe of the heat-storage type burner and catalytic burner is connected with discharge manifold；The discharge manifold is provided with a branch line and is connected with the thermal source interface of the irradiation modules.The utility model has the advantage that as follows with advantageous effects：Desulfurization is all carried out by spray process module and removes big particulate matter, reduces exhaust gas dust discharge；Mitigate catalytic burner processing load, improve combustion efficiency；Combustion chamber discharge heat is sufficiently recycled, energy-saving effect is obvious, and the completely burned degradeds of VOC, and environment is no longer polluted.
Description
【Technical field】
A kind of emission-control equipment is the utility model is related to, particularly a kind of industrial VOC waste gas residual heats drying process system.
【Background technology】
Drying kiln can be used for being thermally dried processing to the paint and coating of workpiece surface.Workpiece is in high-temperature process
During, VOC (VOC) gas in workpiece is vented directly in environment with tail gas, it will environment is made
Into serious pollution, while somatic damage can be caused to the staff in the region and resident.
Hand is mainly administered using absorption process, combustion method, UF membrane after condensation method, absorption-vacuum desorption etc. in industry at present
Section, existing VOCs treatment means are single, and construction is complicated, otherwise treatment effect is very poor, otherwise need to consume most of energy,
Improve processing cost.
【Utility model content】
The purpose of this utility model is to be directed to deficiency existing for above-mentioned existing technology, there is provided one kind can be eliminated with high degree and waved
Hair property organic compound (VOC) gas exhaust emission, simple in construction, efficient energy-saving and more environmentally friendly industrial VOC waste gas residual heats
Drying process system.
To achieve these goals, the utility model is realized in：Industrial VOC waste gas residual heats drying process system,
It is connected including spray process module, irradiation modules and with combustion decomposition module, exhaust emission tube with the spray process module, institute
The dry channel that spray process module is stated with the irradiation modules is connected, and the irradiation modules with the combustion decomposition module with connecting
Connect, the combustion decomposition module is arranged in parallel by heat-storage type burner and catalytic burner to be formed, the heat-storage type burner and
The discharge fume pipe of catalytic burner is connected with discharge manifold；The discharge manifold is provided with a branch line and the drying mould
The thermal source interface connection of block.
The spray process module, including a treating column, it is supreme under being set in the treating column to be sequentially provided with least
One humidification process chamber and final dusting chamber, it is separated by between the humidification process chamber and final dusting chamber provided with filter packing layer；
The first spray equipment is set in the final dusting intracavitary, first spray equipment is installed on the upper of the final dusting chamber
Side；The treating column is provided with gas approach and gas outlet, and the gas approach connects the humidification process chamber, the gas outlet
The final dusting chamber is connected, is provided with the second spray equipment on the humidification process chamber, at the setting of the treating column bottom
Liquid pool is managed, second spray equipment is connected by delivery pipe through water pump with the processing liquid pool.
First spray equipment or the second spray equipment include setting the final dusting chamber or humidification process intracavitary
Spiral coil, some spray heads are provided with the spiral coil, flue gas can be made to be sprayed with treatment fluid and effectively contacted,
The sulfide and nitrogen oxides in flue gas are removed to greatest extent.
The humidification process chamber is set for classification, and the humidification process intracavitary is divided at least by aided filter packing layer
Two sub- humidification process chambers；The sub- humidification process chamber of one-level and the sub- humidification process intracavitary of two level set the spray equipment respectively.
The heat-storage type burner includes combustion chamber, burner and at least two heat regenerators, the burner peace
Loaded in combustion chamber, and it is connected with fuel -supply pipe, two heat regenerators are respectively arranged in described combustion chamber one end
In side wall, described heat regenerator one end is used to connect air inlet pipe and delivery pipe, and the other end communicates with the combustion chamber inner chamber；
The spray process module is connected with two heat regenerators respectively by pipeline, the air draft of the heat regenerator
Mouth connection smoke discharge pipe, the smoke discharge pipe are connected by gas manifold with chimney.Contain volatilization in exhaust emission tube
Property organic compound gas first the air inlet of a heat regenerator enters combustion chambers burn decomposition therefrom, then from the
The exhaust outlet of two heat regenerators is exported and is discharged into by smoke discharge pipe in chimney, and high-temperature flue gas is simultaneously by process
Heat regenerator heats；Then switched by Valve controlling, in the air inlet air inlet of second heat regenerator, described
In combustion chambers burn after being heated in heat regenerator, smoke discharge pipe is then output to by another heat regenerator and arranged
In the chimney put.
The heat regenerator includes housing and the heat storage medium being arranged in housing, and heat storage medium absorbs high-temperature gas
Heat, heat cryogenic gas.
The heat storage medium can be Ceramic Balls or Cast-iron Ball, cheap, and good effect of heat exchange.
Compared with prior art, the utility model has the advantage that as follows with advantageous effects：VOC gases will be contained
High-temperature flue gas all pass through spray process module and carry out desulfurization and remove big particulate matter, reduce exhaust gas dust discharge；First will
Enter combustion decomposition after the flue gas drying that waste gas after spray process recycles, processing load can be subtracted, improve burning effect
Fruit；/ 3rd gas flows are burnt by catalytic burner, and 2/3rds gas flows are burnt by heat-accumulation combustor, are mitigated
Catalytic burner processing load, improve combustion efficiency；The combustion chamber of heat accumulating burner is provided with least two suitching types storage
Hot type heat exchanger, one is used to absorb exhaust heat, and second is used to heat air inlet, sufficiently recycles combustion chamber discharge heat
Amount, energy-saving effect is obvious, and the completely burned degradeds of VOC, and environment is no longer polluted.
【Brief description of the drawings】
Fig. 1 is the system flow chart of the utility model industry VOC waste gas residual heat drying process systems；
Fig. 2 is the structural representation of spray process module in the utility model industry VOC waste gas residual heat drying process systems.
【Embodiment】
Explanation is described in detail to the utility model below in conjunction with the drawings and specific embodiments.
Industrial VOC waste gas residual heats drying process system, as shown in figure 1, including spray process module 2, irradiation modules 7 and combustion
The exhaust emission tube 1 for burning the painting workshop such as decomposing module, furniture is connected with the spray process module 2, may be deposited for handling
Sulfide and remove bulky grain thing；The spray process module 2 is connected with the dry channel of the irradiation modules 7, is used for
Processing is dried to the waste gas after spray process, mitigates catalytic burner processing load, improves combustion efficiency.The drying mould
Block 7 is connected with the combustion decomposition module, and the discharge fume pipe of the combustion decomposition module is connected with discharge manifold, the discharge
House steward is provided with a branch line and is connected with the thermal source interface of the irradiation modules 7.The irradiation modules 7 and the burning
Control valve is set between decomposing module connecting pipe.Setting blower fan 9 and flue gas distributor box 15 in the discharge manifold, described point
Bye-pass is connected with the flue gas distributor box 15./ 3rd gas flows are burnt by catalytic burner, 2/3rds gas flows
Burnt by heat-accumulation combustor, mitigate catalytic burner processing load, improve combustion efficiency.
The irradiation modules 7 are heat exchanger, and it includes dry channel and heat exchanger channels, the dry channel and the spray
The outlet connection of processing module 2, the heat exchanger channels are connected with the branch line, waste gas are entered for reclaiming discharge waste heat
Row drying, energy-conservation, and positive effect.
The heat-storage type burner 6 includes combustion chamber, burner and at least two heat regenerators 4, the burner
It is installed in combustion chamber, and is connected with fuel -supply pipe, two heat regenerators 4 is respectively arranged in the combustion chamber
In the side wall of one end, described one end of heat regenerator 4 is used to connect air inlet pipe and delivery pipe, the other end and the combustion chamber inner chamber
Communicate；The spray process module is connected with two heat regenerators respectively by pipeline, the heat regenerator 2
Exhaust outlet connection smoke discharge pipe, the smoke discharge pipe is connected by gas manifold with chimney.Contain in exhaust emission tube
The air inlet for having the first heat regenerator therefrom of gas of VOC decomposes into combustion chambers burn, so
Export from the exhaust outlet of second heat regenerator 4 and be discharged into by smoke discharge pipe in chimney afterwards, high-temperature flue gas is simultaneously
The heat regenerator of process is heated；Then switched by Valve controlling, entered in the air inlet of second heat regenerator
Gas, in combustion chambers burn after being heated in the heat regenerator, cigarette is then output to by another heat regenerator
In the chimney of gas discharged.The heat regenerator includes housing and the heat storage medium being arranged in housing, and accumulation of heat is situated between
Matter absorbs high-temperature gas heat, heats cryogenic gas.The heat storage medium can be Ceramic Balls or Cast-iron Ball, cheap, and
Good effect of heat exchange.
The catalytic burner can be photocatalysis burner, can directly buy matured product on the market, its
The luminous energy of extraneous radiation is mainly absorbed using photochemical catalyst titanium dioxide (TiO2), it is directly translated into chemical energy.To smelly
Some organic matters that oxygen is difficult to aoxidize such as chloroform, four chlorination charcoals, hexachloro-benzene, can effectively it be decomposed, so to difficulty
There is special meaning with the organic matter of degraded, light-catalysed efficient oxidation agent is hydroxyl radical free radical (HO), hydroxyl radical free radical (HO)
Oxidisability higher than common ozone, hydrogen peroxide, potassium permanganate, hypochlorous acid etc..
The spray process module, as shown in Fig. 2 it includes a treating column, it is supreme under being set in the treating column
At least one humidification process chamber 11 and final dusting chamber 12 are sequentially provided with, between the humidification process chamber 11 and final dusting chamber 12
It is separated by provided with filter packing layer 13；In the final dusting intracavitary, the first spray equipment 53, first spray equipment 53 are set
It is installed on the top of the final dusting chamber 12；First spray equipment 53 includes the spiral coil for setting the final dusting chamber,
Be provided with some spray heads on the spiral coil, first spray equipment 53 by delivery pipe and the first water pump 52 with
Tank 51 connects；The treating column sets gas approach close to bottom sidewall, and bottom sets discharge outlet 16, and upper end is set
Gas outlet, the gas approach connect the humidification process chamber 11, and the gas outlet connects the final dusting chamber.The processing
Bottom of towe end is provided with processing liquid pool 41, for collecting the treatment fluid flowed down from the discharge outlet 15.The discharge outlet 16 can be put
In below liquid level, can so avoiding smoke overflow in the processing liquid pool 41.The top of humidification process chamber 11 is provided with
Two spray equipments 43, second spray equipment 43 are connected with the processing liquid pool 41 through the second water pump 42 by delivery pipe, followed
Ring carries out spray wet processing using the treatment fluid handled in liquid pool 41 to the flue gas entered from gas approach, effectively removes smoke abatement
Sulfide and active nitrogen oxides in gas.The spray equipment 43 includes setting the inside spin coil pipe of humidification process chamber 11,
Some spray heads are set on the spiral coil, flue gas can be made to be sprayed with treatment fluid and effectively contacted, to greatest extent
Remove the sulfide and nitrogen oxides in flue gas.
Wherein, the treatment fluid of reusable edible is contained in the processing liquid pool 41, the treatment fluid can be aqueous slkali, excellent
Select limewash.Water level detecting sensor is provided with the processing liquid pool 41, the treatment fluid water in the processing liquid pool 41
When position is declined to a certain extent, alarm or addition treatment fluid are sent.
The thickness of the filter packing layer 13 is 25-40cm, and it is fixed in the side wall of the treating column 1.The filtering
Filling is Raschig ring in packing layer 13.The Raschig ring size is 36mm~40mm.Preferably ceramic Raschig ring, its ceramic wall
Thickness is 4mm~8mm, and price is low, and filter effect is obvious.Most preferably, the thickness of the filter packing layer 13 is 33-36cm.
The spray process module, on the basis of above-mentioned, the humidification process chamber 11 is set for classification, at the humidification
Minimum two sub- humidification process chamber (the sub- humidification process chamber of one-level and two are divided into by aided filter packing layer 14 in reason chamber 11
The sub- humidification process chamber of level).The sub- humidification process chamber of the one-level and the sub- humidification process intracavitary of two level set the spray equipment respectively
43.Flue gas is added after first passing through the sub- humidification process chamber spray process of one-level by entering two level after the filtering of aided filter packing layer 14
Wet process chamber spray process, final dusting chamber 12 is entered after then being humidified by filter packing layer 13 and carries out dust removal process.
The thickness of aided filter packing layer 14 is 16-25cm, and it is fixed in the side wall of the treating column.It is described excessively auxiliary
Help the interior filling of filter packing layer 14 is Pall ring.20%-40% filler volumes can be effectively saved using the Pall ring.
Most preferably, the thickness of the filter packing layer 13 is 17-23cm.
Preferred embodiment of the present utility model described in detail above, it will be appreciated that the ordinary skill of this area without
Creative work can is needed to make many modifications and variations according to design of the present utility model.Therefore, it is all in the art
Technical staff is conceived in prior art basis by logic analysis, reasoning or can according to limited experiment according to the utility model
, should be among the protection domain determined by the claims with obtained technical scheme.
Claims (7)
1. industrial VOC waste gas residual heats drying process system, it is characterised in that：Including spray process module, irradiation modules and burning
Decomposing module, exhaust emission tube are connected with the spray process module, and the spray process module is dry with the irradiation modules
Dry passage connection, the irradiation modules are connected with the combustion decomposition module, and the combustion decomposition module is by heat-storage type burner
Composition is arranged in parallel with catalytic burner, discharge fume pipe and the discharge manifold of the heat-storage type burner and catalytic burner connect
Connect；The discharge manifold is provided with a branch line and is connected with the thermal source interface of the irradiation modules.
2. industrial VOC waste gas residual heats drying process system as claimed in claim 1, it is characterised in that：The spray process mould
Block, including a treating column, it is supreme under being set in the treating column to be sequentially provided with least one humidification process chamber and secondary remove
Dirt chamber, it is separated by between the humidification process chamber and final dusting chamber provided with filter packing layer；Set in the final dusting intracavitary
First spray equipment, first spray equipment are installed on the top of the final dusting chamber；The treating column is provided with flue gas
Import and gas outlet, the gas approach connect the humidification process chamber, and the gas outlet connects the final dusting chamber, in institute
State and the second spray equipment is provided with humidification process chamber, the treating column bottom sets processing liquid pool, second spray equipment
It is connected by delivery pipe through water pump with the processing liquid pool.
3. industrial VOC waste gas residual heats drying process system as claimed in claim 2, it is characterised in that：The first spray dress
Put or the second spray equipment includes setting the final dusting chamber or the spiral coil of humidification process intracavitary, in the spiral coil
On be provided with some spray heads.
4. industrial VOC waste gas residual heats drying process system as claimed in claim 3, it is characterised in that：The humidification process chamber
Set for classification, the humidification process intracavitary is divided into minimum two sub- humidification process chambers by aided filter packing layer；One-level
Sub- humidification process chamber and the sub- humidification process intracavitary of two level set the spray equipment respectively.
5. industrial VOC waste gas residual heats drying process system as claimed in claim 1, it is characterised in that：The heat storage type combustion
Device includes combustion chamber, burner and at least two heat regenerators, and the burner is installed in combustion chamber, and defeated with fuel
Pipe is sent to connect, two heat regenerators are respectively arranged in the side wall of described combustion chamber one end, the heat regenerator
One end is used to connect air inlet pipe and delivery pipe, and the other end communicates with the combustion chamber inner chamber；The spray process module passes through pipe
Road is connected with two heat regenerators respectively, the exhaust outlet connection smoke discharge pipe of the heat regenerator, described
Smoke discharge pipe is connected by gas manifold with chimney；In exhaust emission tube gas containing VOC first from
The air inlet of one of heat regenerator decomposes into combustion chambers burn, then from the air draft of second heat regenerator
Mouth is exported and is discharged into by smoke discharge pipe in chimney, and high-temperature flue gas simultaneously heats the heat regenerator of process；Then
Switched by Valve controlling, in the air inlet air inlet of second heat regenerator, be heated in the heat regenerator
Afterwards in combustion chambers burn, then it is output to by another heat regenerator in the chimney that smoke discharge pipe discharges.
6. industrial VOC waste gas residual heats drying process system as claimed in claim 5, it is characterised in that：The regenerative heat-exchange
Device includes housing and the heat storage medium being arranged in housing.
7. industrial VOC waste gas residual heats drying process system as claimed in claim 6, it is characterised in that：The heat storage medium is
Ceramic Balls or Cast-iron Ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720387236.4U CN207035790U (en) | 2017-04-13 | 2017-04-13 | Industrial VOC waste gas residual heats drying process system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720387236.4U CN207035790U (en) | 2017-04-13 | 2017-04-13 | Industrial VOC waste gas residual heats drying process system |
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| Publication Number | Publication Date |
|---|---|
| CN207035790U true CN207035790U (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720387236.4U Active CN207035790U (en) | 2017-04-13 | 2017-04-13 | Industrial VOC waste gas residual heats drying process system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748993A (en) * | 2022-04-21 | 2022-07-15 | 神木市瑞诚煤化有限公司 | Coking chemical VOCs flue gas treatment equipment and treatment method thereof |
-
2017
- 2017-04-13 CN CN201720387236.4U patent/CN207035790U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748993A (en) * | 2022-04-21 | 2022-07-15 | 神木市瑞诚煤化有限公司 | Coking chemical VOCs flue gas treatment equipment and treatment method thereof |
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