CN106196100B - A kind of energy-saving organic waste gas treatment system - Google Patents

A kind of energy-saving organic waste gas treatment system Download PDF

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Publication number
CN106196100B
CN106196100B CN201610742937.5A CN201610742937A CN106196100B CN 106196100 B CN106196100 B CN 106196100B CN 201610742937 A CN201610742937 A CN 201610742937A CN 106196100 B CN106196100 B CN 106196100B
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China
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heat
concentration
connect
gas
air inlet
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CN201610742937.5A
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Chinese (zh)
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CN106196100A (en
Inventor
曾乐民
于文益
黄何
陈凯
刘凯
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广东省技术经济研究发展中心
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/061Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
    • F23G7/065Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
    • F23G7/066Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation 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 by adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation 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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40083Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • B01D2259/40088Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
    • B01D2259/4009Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2204/00Supplementary heating arrangements
    • F23G2204/10Supplementary heating arrangements using auxiliary fuel
    • F23G2204/103Supplementary heating arrangements using auxiliary fuel gaseous or liquid fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00Specific waste
    • F23G2209/14Gaseous waste or fumes

Abstract

The present invention discloses a kind of energy-saving organic waste gas treatment system, including exhaust emission tube, enrichment facility and combustion decomposition furnace, the exhaust emission tube is connect by pipeline with the air inlet of the enrichment facility, the gas outlet of the enrichment facility is connect with the air inlet of two heat regenerators on the combustion decomposition furnace respectively by pipeline, the exhaust outlet of the heat regenerator connects smoke discharge pipe, and the smoke discharge pipe is connect with chimney;Chimney is provided with UTILIZATION OF VESIDUAL HEAT IN pipe to connect with kiln air inlet pipe.The advantageous effects that the present invention has are as follows: by the carry out combustion degradation containing VOC gas, can achieve almost zero emission standards;Combustion chamber is provided at least two suitching type heat regenerators, and one for absorbing exhaust heat, second, for heating air inlet, adequately recycles combustion chamber and discharge heat, and energy-saving effect is obvious, and the completely burned degradation of VOC, no longer pollutes to environment;It is convenient that existing kiln system is transformed, convenient to carry out.

Description

A kind of energy-saving organic waste gas treatment system

[technical field]

The present invention relates to a kind of exhaust treatment system, in particular to a kind of energy-saving organic waste gas treatment system.

[background technique]

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, volatile organic compounds (VOC) gas in workpiece is vented directly in environment with tail gas, it will is made to environment At serious pollution, at the same can in the region staff and resident cause somatic damage.

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 or treatment effect is very poor or need to consume most of energy, raising processing Cost.

[summary of the invention]

The purpose of the present invention is for deficiency existing for above-mentioned existing technology, providing one kind, can thoroughly to eliminate volatility organic Compound (VOC) gas exhaust emission, energy-efficient and more environmentally friendly energy-saving organic waste gas treatment system.

To achieve the goals above, the present invention is implemented as follows: a kind of energy-saving organic waste gas treatment system, including it is useless Gas discharge pipe, enrichment facility and combustion decomposition furnace, the combustion decomposition furnace include combustion chamber, burner and at least two heat accumulating types Heat exchanger, the burner is installed in combustion chamber, and is connect with fuel -supply pipe, and two heat regenerators are pacified respectively Loaded on the side wall of described combustion chamber one end, described heat regenerator one end for connecting air inlet pipe and delivery pipe, the other end with The combustion chamber inner cavity communicates;The exhaust emission tube is connect by pipeline with the air inlet of the enrichment facility, the concentration The gas outlet of device is connect with two heat regenerators on the combustion decomposition furnace respectively by pipeline, and the heat accumulating type changes The exhaust outlet of hot device connects smoke discharge pipe, and the smoke discharge pipe is connect by gas manifold with chimney;The gas point It is connect by UTILIZATION OF VESIDUAL HEAT IN pipe with kiln air inlet pipe with case.Gas in exhaust emission tube containing volatile organic compounds is from elder generation Enter combustion chambers burn from the air inlet of one of heat regenerator to decompose, then from the row of second heat regenerator Air port exports and passes through smoke discharge pipe and is discharged into chimney, and high-temperature flue gas simultaneously heats the heat regenerator of process;So It is controlled and is switched by valve afterwards, in the air inlet air inlet of second heat regenerator, added in the heat regenerator In combustion chambers burn after heat, then it is output to by another heat regenerator in the chimney of smoke discharge pipe discharge.

The heat regenerator that changes includes shell and setting in the intracorporal heat storage medium of shell, and heat storage medium absorbs High Temperature Gas Body heat content heats cryogenic gas.

The heat storage medium can be Ceramic Balls or Cast-iron Ball, cheap, and good effect of heat exchange.

The exhaust emission tube and the heat regenerator are provided with a straight-through branch line with valve, are used for Organic exhaust gas is directly introduced into burning Indoor Combustion by the heat regenerator.

The enrichment facility comprising primary concentration portion and secondary concentration portion, the primary concentration portion pass through purification discharge Mouth is connect with secondary concentration portion.Flue gas passes through after primary concentration portion Adsorption Concentration using secondary concentration portion adsorption concentration, can be with Pass through smoke stack emission after fume treatment is reached atmospheric emission standard.

Third adsorption module is set in the primary concentration portion, and the third adsorption module is installed in shaft, and described Gas inlet, purification discharge outlet, solution suction side and concentration outlet, the purification discharge outlet and two are provided in primary concentration portion Grade concentrating part air inlet connection, concentration discharge outlet by pipeline be concentrated collector connect, the concentration collector with it is described The air inlet of heat regenerator connects.

The secondary concentration portion includes the first adsorption module and the second adsorption module, and first adsorption module and second inhale Air inlet, purification discharge outlet, solution suction side and concentration outlet are respectively set in attached module, the purification discharge outlet can be direct It is connect with chimney, the gas that discharge standard is met after purification is passed through into smoke stack emission;The purification discharge outlet in the primary concentration portion Respectively with the connection of first adsorption module and the second adsorption module air inlet, and valve is respectively arranged on the pipeline of air inlet Door;Valve is respectively arranged on pipeline between the purification discharge outlet and chimney;First adsorption module and the second absorption The concentration outlet of module can be connect with collector, and be discharged in the concentration of first adsorption module and the second adsorption module Valve is respectively arranged on the pipeline that mouth is connect with collector;The solution suction side of first adsorption module and the second adsorption module Connection desorption air inlet pipe, installs valve in the desorption air inlet pipe.

The solution suction side in the primary concentration portion is connect by mixing arrangement with chimney, and the mixing arrangement is equipped with for drawing Enter the air inlet duct of air.The solution suction side of first adsorption module and the second adsorption module in the secondary concentration portion It is connect by mixing arrangement with chimney.It is mixed with air by the processed thorough flue gas of reference portion come desorption, can be subtracted Few exhaust gas discharge and heat recovery, it is energy saving.In mixing arrangement, the volume ratio of air and flue gas is 3:1-3, excellent Choosing, the volume ratio of the air and flue gas is 3:1.

The heat regenerator is connect with gas manifold, and the outlet of gas manifold one is connect with chimney, another Outlet is connect with UTILIZATION OF VESIDUAL HEAT IN pipe, is provided with control valve on the pipeline between the gas manifold and chimney, will be discharged cigarette It is used in total discharge off-gas recovery kiln of 50-70% in gas for drying.

Compared with prior art, the present invention has the advantage that as follows with advantageous effects: by the high temperature containing VOC gas Flue gas enters combustion chamber progress combustion degradation after all passing through concentration, can achieve almost zero emission standards;Combustion chamber is set It is equipped at least two suitching types and changes heat regenerator, one is used to absorb exhaust heat, and second is used to heat air inlet, sufficiently Recycling combustion chamber discharge heat, energy-saving effect is obvious, and the completely burned degradation of VOC, no longer pollutes to environment; It is convenient that existing kiln system is transformed, convenient to carry out.

[Detailed description of the invention]

Fig. 1 is a kind of system construction drawing of energy-saving organic waste gas treatment system of the present invention;

Fig. 2 is the flowage structure schematic diagram of the enrichment facility in a kind of energy-saving organic waste gas treatment system of the present invention.

[specific embodiment]

Explanation is described in detail to the present invention below in conjunction with the drawings and specific embodiments.

A kind of energy-saving organic waste gas treatment system, as shown in Figure 1, can be used for drying kiln, painting workshop curing oven And other are with organic exhaust gas exhaust system comprising the exhaust emission tube 1 and combustion decomposition furnace being connect with kiln exhaust gases mouth, The exhaust gas that the exhaust emission tube 1 discharges is introduced into combustion decomposition furnace by exhaust pipe carries out high temperature burning handling, by exhaust gas In organic matter (especially volatile organic gases) combustion decomposition fall, then discharge again, air pollution can be greatly reduced. The combustion decomposition furnace includes combustion chamber 6, burner 5 and at least two heat regenerators 4.The burner 5 is installed on combustion It burns in room 6, and is connect with the fuel -supply pipe for conveying fuel.The present invention is seldom because of demand for fuel, it is generally preferable to naturally Gas is as fuel.Two heat regenerators 4 are respectively arranged on 6 side wall of combustion chamber, the heat regenerator 4 One end setting air inlet and exhaust outlet, the air inlet connect with air inlet pipe, the air inlet pipe is connect with exhaust emission tube 1, The exhaust outlet is connect with delivery pipe 7;The other end of the heat regenerator 4 is communicated with the inner cavity of the combustion chamber 6.It is described Exhaust emission tube 1 is connect with the air inlet of two heat regenerators 4, and the exhaust outlet that heat regenerator 4 is changed described in two connects Delivery pipe 7 is connect, the delivery pipe 7 is connect with chimney 9, and exhaust gas discharges by treated.At work, contain in exhaust emission tube 1 There is the gas of volatile organic compounds first to enter combustion chamber 6 and the burner 5 ejection from one of heat regenerator 4 Fuel mixed firinor fuel burning be warming up to 750 DEG C to 850 DEG C, decompose VOC gas sufficiently, then from another heat regenerator 4 Import enter, export by heat storage medium by exhaust outlet and pass through delivery pipe 7 and be discharged into chimney, high-temperature flue gas is in process storage Heat storage medium is heated to 700 DEG C -800 DEG C when heat storage medium in hot type heat exchanger 7.By passing through valve 14 after setting time Control switching, closes the air intake valve of current heat regenerator 4, opens drain tap, opens second heat regenerator 4 Air intake valve, and close its drain tap;Exhaust gas containing VOC gas is by the heat storage medium in second heat regenerator 4 650 DEG C -750 DEG C are heated to, first heat regenerator 4 is entered after then burning in combustion chamber 4, then pass through first storage The exhaust outlet output of hot type heat exchanger 4 passes through discharged into chimney 9, while heating in first heat regenerator 4 Heat storage medium.Discharge waste heat after taking full advantage of burning in the burning and exhausting switching of organic waste has to be processed Machine exhaust gas is preheated, and can improve treatment effect with the effectively save energy.

The heat regenerator that changes includes shell and setting in the intracorporal heat storage medium of shell, and the heat storage medium absorbs high Wet body heat content, to heat the cryogenic gas of entrance.The heat storage medium can be Ceramic Balls, have the function of fire resisting, and thermal capacitance Amount is high, heat transfer is fast, the combustion heat caused by organic matter and combustion of natural gas can be stored in ceramic heat-storing body, and discharge heat Into low temperature air inlet air-flow, the energy required for burning VOCs is greatly decreased;And heat storage can also buffer temperature when VOCs burns Fluctuation, if ignition temperature is at 850 DEG C, then the combustion chamber allowable temperature short time changes to 1050 DEG C, and system is allow to keep pacifying Full steady running.And make system burn under the high temperature conditions VOCs when, be suitable for lower VOCs entrance concentration and shorter stop when Between, combustion chamber can be made to reach non-flaming combustion, fuel cost and the generation of NOx can be greatly reduced.Described accumulation of heat is changed to improve Stainless steel or Cast-iron Ball also can be used as heat storage medium in the heat exchange effect of formula heat exchanger.

Enrichment facility 3 can be set between the exhaust emission tube and the heat regenerator 4, made gas to be processed Entered in combustion chamber 6 by the heat regenerator 4 again after the concentration of enrichment facility 3 and burnt, at enrichment facility 3 Reason, can be such that the organic exhaust gas concentration of organic exhaust gas is concentrated to and compare high concentration, then be input to burning in combustion chamber 6 again, Processing is more complete, and can save part of fuel.It is additionally provided between the exhaust emission tube and the heat regenerator 4 One straight-through branch line 2 with valve 14, for organic exhaust gas directly to be introduced burning by the heat regenerator 4 Burning in room 6, to provide a variety of processing modes, and can be spare when the enrichment facility 3 generates failure.

The smoke discharge pipe is connect by gas manifold 15 with chimney;The gas manifold passes through UTILIZATION OF VESIDUAL HEAT IN pipe 10 connect with kiln air inlet pipe 11, for recovery section there is the discharge gas of high temperature to enter combustion-supporting in kiln, can make kiln Interior burning is high-temperature and low-oxygen combustion, can be further reduced organic gas emission.The heat regenerator 4 and gas point It is connected with case 15, the outlet of gas manifold 15 1 is connect with chimney, and another outlet is connect with UTILIZATION OF VESIDUAL HEAT IN pipe 10, the gas It is provided with control valve on pipeline between body distributor box 15 and chimney, by valve regulated, can will discharge the 50- in flue gas It is used in 70% total discharge off-gas recovery kiln for drying.

The enrichment facility, as shown in Figure 2 comprising primary concentration portion and secondary concentration portion, the primary concentration portion are logical Purification discharge outlet is crossed to connect with secondary concentration portion.Flue gas adsorbs after passing through primary concentration portion Adsorption Concentration using secondary concentration portion Concentration passes through smoke stack emission after fume treatment being reached to atmospheric emission standard.

Third adsorption module is set in the primary concentration portion, and the third adsorption module is installed in shaft, and described Gas inlet, purification discharge outlet, solution suction side and concentration outlet, the purification discharge outlet and two are provided in primary concentration portion Grade concentrating part air inlet connection, concentration discharge outlet by pipeline be concentrated collector connect, the concentration collector with it is described The import of heat regenerator 4 connects.Flue gas containing VOC enters from gas inlet, passes through the suction of the third adsorption module The VOC of flue gas 60-70% can be sucked and be got rid of then with purification discharge outlet discharge by attached face;When needing to desorb, desorption Gas enters from solution suction side, and third adsorption module rotates around the axis, and makes the facing solution suction side of the desorption of third adsorption module, Desorption gas will enter concentration collector from concentration discharge outlet after the high concentration VOC for being adsorbed on third adsorption module elution.It is described Primary concentration portion be it is rotary-type, structure is simple, easy to use, and can continuously work.

The secondary concentration portion includes the first adsorption module and the second adsorption module, and first adsorption module and second inhale Air inlet, purification discharge outlet, solution suction side and concentration outlet are respectively set in attached module, the purification discharge outlet can be direct It is connect with chimney, the gas that discharge standard is met after purification is passed through into smoke stack emission.The purification discharge outlet in the primary concentration portion Respectively with the connection of first adsorption module and the second adsorption module air inlet, and valve is respectively arranged on the pipeline of air inlet Door.Valve is respectively arranged on pipeline between the purification discharge outlet and chimney.First adsorption module and the second absorption The concentration outlet of module can be connect with collector, and be discharged in the concentration of first adsorption module and the second adsorption module Valve is respectively arranged on the pipeline that mouth is connect with collector.The solution suction side of first adsorption module and the second adsorption module Connection desorption air inlet pipe, installs valve in the desorption air inlet pipe.

First adsorption module and the second adsorption module at work, are controlled by valve, first adsorption module It is absorbed and filter, and the second adsorption module is desorbed, and is then switched over, and is desorbed in the first adsorption module, In It is absorbed and filter in second adsorption module.Flue gas to be processed can achieve discharge standard, directly pass through after absorbing and filter Purification discharge outlet is discharged into chimney.The desorption eluent gas of first adsorption module and the second adsorption module contains higher concentration Volatile organic compounds (VOC).Gas treatment amount can be reduced in this way, reduce fuel consumption, save the cost, and more supernumerary segment It can environmental protection.

The solution suction side in the primary concentration portion is connect by mixing arrangement with chimney, and the mixing arrangement is equipped with for drawing Enter the air inlet duct of air.The solution suction side of first adsorption module and the second adsorption module in the secondary concentration portion It is connect by mixing arrangement with chimney.It is mixed with air by reference portion flue gas come desorption, it is possible to reduce exhaust gas discharge, and Heat recovery, it is energy saving.In mixing arrangement, the volume ratio of air and flue gas is 3:1-3, it is preferred that the air Volume ratio with flue gas is 3:1.

The primary concentration portion can be zeolite runner, and the zeolite runner can be by adjusting desorption temperature, desorption The parameters such as throughput further increase concentration rate, improve VOC removal efficiency and reduce processing cost, after reducing concentration It manages equipment, reduce energy loss.Third adsorption module is set in the primary concentration portion, filling boiling in the third adsorption module Stone.The VOCs gas concentration in exhaust gas can be improved by primary concentration portion, the fuel of combustion decomposition furnace can be reduced in this way Consumption, the combustion decomposition furnace combustion temperature are about 730 DEG C~900 DEG C, and VOC is burnt using high temperature, and combustion reaction is raw At harmless CO2And H2O.VOC inlet gas concentration can be made to reach heat accumulating type incineration system from concentration is maintained, be not necessary to addition auxiliary fuel, Energy consumption is greatly decreased;It is easily achieved Automatic Control, it is highly-safe;Exhaust gas concentration to be processed is allowed to fluctuate widely.

The secondary concentration portion is using double gas circuit continuous works, two adsorbent beds (the first adsorption module and the second absorption moulds Block) it is used alternatingly.First the one of adsorbent bed of organic exhaust gas is adsorbed, stops absorption when reaching saturation fastly, then with solution Organic matter is desorbed air-breathing body from active carbon makes regenerating active carbon;The organic matter being desorbed be concentrated (concentration compared with Originally improve tens times) and it is sent to combustion decomposition furnace direct combustion firing carbon dioxide and vapor discharge.When the concentration of organic exhaust gas When reaching 500PPm or more, organic exhaust gas can maintain spontaneous combustion in combustion chamber, not have to external heat.Tail gas after burning passes through heat exchanger Air is heated, hot-air is sent to adsorbent bed, is used for regenerating active carbon.Thermal energy needed for burning and absorption can be met in this way, reaches To energy-efficient purpose.Enter absorption next time after regeneration;In desorption, purification run can be carried out with another adsorbent bed, both It is suitable for operating continuously, is also suitable for intermittent operation.

Wherein, first adsorption module and the second adsorption module can be active carbon filter or cellular activated carbon.

The exhaust gas containing volatile organic matter that exhaust emission tube 1 of the present invention is discharged can be fully incorporated the combustion of combustion decomposition furnace It burns and decomposes, can all be adsorbed and be discharged by the enrichment facility, can be the 60% of total amount and be used to that absorption to be concentrated, remaining 40% For directly burning, voc gas burning concentration can be improved, reduce fuel consumption.

The preferred embodiment of the present invention has been described in detail above, it should be understood that the ordinary skill of this field is without wound The property made labour, which according to the present invention can conceive, makes many modifications and variations.Therefore, all technician in the art According to present inventive concept by logic analysis, reasoning or according to the limited available technology of experiment in prior art basis Scheme, should be among the protection scope determined by the claims.

Claims (5)

1. a kind of energy-saving organic waste gas treatment system, including exhaust emission tube, enrichment facility and combustion decomposition furnace, feature exist In: the combustion decomposition furnace includes combustion chamber, burner and at least two heat regenerators, and the burner is installed on burning Interior, and connect with fuel -supply pipe, two heat regenerators are respectively arranged on the side wall of the combustion chamber, described For connecting air inlet pipe and delivery pipe, the other end is communicated with the combustion chamber inner cavity for heat regenerator one end;The exhaust gas row Outlet pipe is connect by pipeline with the air inlet of the enrichment facility, the gas outlet of the enrichment facility pass through pipeline respectively with it is described The air inlet of two heat regenerators on combustion decomposition furnace connects, the exhaust outlet connection flue gas row of the heat regenerator Pipe is put, the smoke discharge pipe is connect by gas manifold with chimney;The gas manifold passes through UTILIZATION OF VESIDUAL HEAT IN pipe and kiln The connection of furnace air inlet pipe;The heat regenerator is connect with gas manifold, and the outlet of gas manifold one connects with chimney It connects, another outlet is connect with UTILIZATION OF VESIDUAL HEAT IN pipe, and control valve is provided on the pipeline between the gas manifold and chimney, will In the total discharge off-gas recovery kiln for discharging the 50-70% in flue gas;The exhaust emission tube and the heat regenerator are arranged There is a straight-through branch line with valve, for organic exhaust gas directly to be introduced combustion chamber by the heat regenerator Interior burning;Gas in exhaust emission tube containing volatile organic compounds first enters burning from one of heat regenerator The fuel mixed firinor fuel burning that room and the burner spray is warming up to 750 DEG C to 850 DEG C, decomposes VOC gas sufficiently, then from another The import of one heat regenerator enters, and is exported by heat storage medium by exhaust outlet and passes through discharged into chimney, Heat storage medium is heated to 700 DEG C -800 DEG C in the heat storage medium passed through in heat regenerator by high-temperature flue gas;Pass through setting It is controlled and is switched by valve after time, close the air intake valve of current heat regenerator, open drain tap, open second Heat regenerator air intake valve, and close its drain tap;Exhaust gas containing VOC gas is by second heat regenerator Heat storage medium be heated to 650 DEG C -750 DEG C, enter first heat regenerator after then burning in the combustion chamber, then pass through The exhaust outlet output of first heat regenerator passes through discharged into chimney, while heating first regenerative heat-exchange Heat storage medium in device;The enrichment facility comprising primary concentration portion and secondary concentration portion, the primary concentration portion pass through net Change discharge outlet to connect with secondary concentration portion, third adsorption module, the third adsorption module peace are set in the primary concentration portion Loaded on be provided in shaft, and in the primary concentration portion gas inlet, purification discharge outlet, solution suction side and concentration outlet, The purification discharge outlet is connect with the air inlet in secondary concentration portion, and concentration discharge outlet is connect by pipeline with concentration collector, institute Concentration collector is stated to connect with the air inlet of the heat regenerator;The secondary concentration portion includes the first adsorption module and the Air inlet, purification discharge outlet, solution suction side are respectively set on first adsorption module and the second adsorption module for two adsorption modules With concentration outlet, the purification discharge outlet is directly connect with chimney, and the gas that discharge standard is met after purification is passed through chimney Discharge;The purification discharge outlet in the primary concentration portion company with first adsorption module and the second adsorption module air inlet respectively It connects, and is respectively arranged with valve on the pipeline of air inlet;It is respectively arranged on pipeline between the purification discharge outlet and chimney Valve;The concentration outlet of first adsorption module and the second adsorption module is connect with collector, and in first absorption Valve is respectively arranged on the pipeline that the concentration outlet of module and the second adsorption module is connect with collector;First absorption Module connects desorption air inlet pipe with the solution suction side of the second adsorption module, installs valve in the desorption air inlet pipe.
2. a kind of energy-saving organic waste gas treatment system as described in claim 1, it is characterised in that: the heat regenerator Including shell and it is arranged in the intracorporal heat storage medium of shell.
3. a kind of energy-saving organic waste gas treatment system as claimed in claim 2, it is characterised in that: the heat storage medium is pottery Porcelain ball or Cast-iron Ball.
4. a kind of energy-saving organic waste gas treatment system as described in claim 1, it is characterised in that: the primary concentration portion Solution suction side is connect by mixing arrangement with chimney, and the mixing arrangement is equipped with air inlet duct for introducing air;It is described The solution suction side of first adsorption module and the second adsorption module in secondary concentration portion is connect by mixing arrangement with chimney.
5. a kind of energy-saving organic waste gas treatment system as claimed in claim 4, it is characterised in that: the volume of air and flue gas Than for 3:1-3.
CN201610742937.5A 2016-08-26 2016-08-26 A kind of energy-saving organic waste gas treatment system CN106196100B (en)

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CN205323483U (en) * 2016-01-07 2016-06-22 宿迁市万尚新材料科技有限公司 Exhaust gas purification device of paint produce in -process

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