CN106563330A - Dry and wet dual-use flue gas purification technology of organic flue gas - Google Patents
Dry and wet dual-use flue gas purification technology of organic flue gas Download PDFInfo
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- CN106563330A CN106563330A CN201510647501.3A CN201510647501A CN106563330A CN 106563330 A CN106563330 A CN 106563330A CN 201510647501 A CN201510647501 A CN 201510647501A CN 106563330 A CN106563330 A CN 106563330A
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Abstract
The invention provides a dry and wet dual-use flue gas purification technology of organic flue gas. The technology comprises the following steps: organic flue gas is introduced into a mixed gas generator and runs along the internal spiral wind-guide duct; under the centrifugal force, oil mist and paint mist particles in the organic flue gas are thrown onto the inner wall of the mixed gas generator; a dry or wet treatment is selected, and a mixed gas spraying device is selected to introduce ozone or high pressure water into the mixed gas generator; the organic flue gas further enters a glass wool filter unit to filter out organic matter in the organic flue gas; and the organic flue gas finally enters an activated carbon adsorption filtration device to remove residual organic matter and smell in the organic flue gas, and finally the purified organic flue gas enters a clean air chamber. Offensive odor in organic flue gas can be removed through ozone, and large oil mist particles in the organic flue gas can be thrown out in advance through centrifugal force. Therefore, the oil mist and paint mist particles are avoided from entering the glass wool and activated carbon absorbers.
Description
Technical field
The present invention is related to and belongs to environmentally friendly purification of air, organic fume treatment field, and in particular to a kind of Wet-dry flue gas purifying technique of organic flue gas.
Background technology
Enterprise in the technical fields such as current electromechanics, chemical industry, mine, metallurgy, electric power, its spray painting, the harmful substance of corrosion prevention workshop organic gas and bad smell are difficult to dispel.However as the development of society; people are more and more stronger to the meaning of environmental protection; country is more and more stricter to environmental protection standard; the operating environment of enterprise civilization production requirement spray painting and corrosion prevention workshop factory building is more and more environmentally friendly; but with spray painting and corrosion prevention workshop factory building operating environment it is more and more environmentally friendly; it is also increasing relative to difficulty in spray painting and the organic smoke gas treatment in corrosion prevention workshop factory building; the equipment of organic gas cleaning in enterprise's spray painting and corrosion prevention workshop factory building can really be met seldom, treatment technology single treatment effect is undesirable, processing equipment system price expensive.
At present the organic fume treatment of existing industry mainly has following several method：
First, combustion method：Including high-temp combustion and catalysis burning, the former needs additional fuel to burn, therefore, to consider to recycle heat energy during using the method；Catalysis burning energy consumption is low, but at the work initial stage, need to electrical heating by flue gas to initiation temperature, it is therefore improper for the occasion of frequent driving and parking.The heat reclaimed in view of high-temperature combustion method is unstable, it is impossible to meets and produces required heat energy, therefore and improper spread.And it is directly too big using catalysis burning investment.
2nd, absorption process：Adopt appropriate absorbent（Such as diesel oil, kerosene, water medium）Absorbed in absorption tower, absorb and carry out after finite concentration solvent and separate with absorbing liquid, solvent recovery, absorbing liquid is reused or otherwise processed, key in this way is the selection of absorbent.Due to solvent separate with absorbent it is more difficult, therefore its application receive certain restriction.
3rd, active carbon adsorption：Using porous activated carbon or the organic flue gas of carbon fiber adsorption and catalytic combustion, regenerated with low-pressure steam after saturation, discharge that solvent flue gas is condensed during regeneration, water separate after recycling design, suitable for discontinuous processing procedure, especially there are good effect but the organic off-gas recovery of inapplicable high concentration to the solvent recovery in the organic flue gas of low concentration.
4th, condensation method：Mainly organic flue gas vapors after heating are processed using cold medium, can effective recycling design.The quality for the treatment of effect is relevant with the temperature of refrigerant, and treatment effeciency is relatively low compared with additive method, and the processing cost for being suitable for high-concentration fume is expensive.
The organic fume treatment technology for commonly using at present is the organic fume treatment technology of dry type and the organic fume treatment technology of wet type, this two kinds of technologies can not be taken into account, the organic fume treatment technology of dry type is not thorough on bad smell in organic flue gas is dispelled, the organic fume treatment technology of wet type increases secondary sewage disposal expense and construction cost, and enterprise investment is excessive.
The content of the invention
For problems of the prior art, the present invention provides a kind of Wet-dry flue gas purifying technique of organic flue gas, the bad smell in organic flue gas can be dispelled by ozone, additionally it is possible to mist of oil particle larger in organic flue gas is deviate from advance by centrifugal force.
The present invention provides a kind of Wet-dry flue gas purifying technique of organic flue gas, and the technique includes following step：
Step one：Organic flue gas is passed through into mixed gas generator inside and the spirality wind guide channel operation inside, under the action of the centrifugal force, the mist of oil and coating cloud particle in organic flue gas is thrown on the inwall of mixed gas generator by throwing；
Step 2：Selection carries out dry type or wet processed, selects mixed gas flusher to be passed through ozone or water under high pressure to the inside of mixed gas generator；
Step 3：Organic flue gas travels further into glass silk floss filter, filters organic substance in organic flue gas；
Step 4：Organic flue gas finally enters charcoal absorption filter, and the organic substance and smell to remaining in organic flue gas is finally deviate from, and eventually enters into clean air chamber.
In the step 2, when needing to carry out dry process, ozone is passed through to the inside of mixed gas generator by mixed gas flusher, ozone flows out inner tube by the mesh of inner tube, under the decomposition of stainless steel fibre group, inside mixed gas flusher, then by the micropore on conical surface, ozone is sprayed into mixed gas generator, ozone is formed in the mixed gas generator of tubular by cone and sprays section, ozone is sufficiently mixed with organic flue gas, dispel smell in organic flue gas.
In the step 2, when needing to carry out wet processed, water under high pressure is passed through to the inside of mixed gas generator by mixed gas flusher, water under high pressure flows out inner tube by mixing the mesh of the inner tube of gas flusher, under the decomposition of stainless steel fibre group, inside mixed gas flusher, then high-pressure water mist is sprayed into tubular gas mixing device by the micropore on conical surface, high-pressure water mist forms water curtain section in tubular gas mixing device, under the effect of water curtain section, organic substance and smell in organic flue gas washes away out by water curtain, enter in waste liquid collecting box in company with current, treatment center of sewage is pumped into by water pump to be reprocessed.
Intermediate steps M1 are also included between the step 2 and step 3, through mixed gas organic flue gas before mixed gas generator outlet is flowed out through wind-guiding oil-filtering apparatus A, to organic flue gas in larger mist of oil or coating cloud particle carry out mechanical gravity formula and filter.
The wind-guiding oil-filtering apparatus A includes that the wind deflector A that multiple spaced, parallels are arranged, each wind deflector A are obliquely installed.
Intermediate steps M2 are also included between step M1 and step 3, organic flue gas is entered also through wind-guiding oil-filtering apparatus B between glass silk floss filter, again to organic flue gas in larger mist of oil or coating cloud particle carry out mechanical gravity formula and filter.
The wind-guiding oil-filtering apparatus B includes air channel, the horizontal direction one end in air channel has air intake vent, the other end is shut, the top in air channel, multiple wind deflector B, multiple pressure aerofoils have been respectively arranged below it, each wind deflector B is obliquely installed, waste liquid collecting box B, the top connection glass silk floss filter in air channel are provided with below air channel.
Gas Jing centrifugal blowers in the step 4 in clean air chamber enter air.
The present invention has advantages below：
1st, the present invention can dispel the bad smell in organic flue gas by ozone.
2nd, the present invention can in advance be deviate from by centrifugal force to mist of oil particle larger in organic flue gas, avoid mist of oil and coating cloud particle from entering in glass silk floss and active carbon adsorber, make glass silk floss and activated carbon hardened and make glass silk floss and activated carbon lose absorption and filtration.
3rd, the present invention has the one-level gas mixing device and two grades of filters pre-processed to organic flue gas, one-level gas mixing device, mist of oil particle larger in organic flue gas is deviate from advance by centrifugal force, avoid mist of oil and coating cloud particle from entering in glass silk floss and active carbon adsorber, make glass silk floss and activated carbon hardened and make glass silk floss and activated carbon lose absorption and filtration.By two grades of filters, organic flue gas is thoroughly removed by glass silk floss and activated carbon, make the clean-up effect of organic flue gas up to standard.
4th, the Wet-dry flue gas purifying technique that the present invention is provided, dry, wet two kinds of processing modes can be taken into account, secondary pollution when independent wet type can either be avoided to use caused by sewage disposal, independent dry process paying no attention in taste removal effect can be removed again to think over a problem, and be can be very good purification gas and reached sterilization, remove the purposes such as larger mist of oil or coating cloud particle.
Description of the drawings
Fig. 1 provides a kind of front view of the Wet-dry flue gas purifying equipment of organic flue gas for the present invention；
Fig. 2 provides a kind of top view of the Wet-dry flue gas purifying equipment of organic flue gas for the present invention；
Fig. 3 is the front view of one-level gas mixing device in the present invention；
Fig. 4 is the side view of one-level gas mixing device in the present invention；
Fig. 5 is the structural representation of wind-guiding oil-filtering apparatus A in the one-level gas mixing device in the present invention；
Fig. 6 is the structural representation of the wind deflector A of wind-guiding oil-filtering apparatus in the one-level gas mixing device in the present invention；
Fig. 7 is the exploded perspective view that gas flusher is mixed in the present invention；
Fig. 8 is the overall composition schematic diagram that gas flusher is mixed in the present invention；
Fig. 9 is the structural representation of two grades of filters in the present invention.
In figure：1- one-level gas mixing devices；Bis- grades of filters of 2-；3- mixes gas generator；4- spirality wind guide channels；The mixed gas flushers of 5-；6- wind-guiding oil-filtering apparatus A;7- air outlets；8- waste liquid collecting box A；9- drain line A；10- supports；11- air inlets；12- wind deflector A；13- input pipes；14- inner tubes；15- centrums；16- comas；17- intermediate connectors；18- pneumatic ball valves；19- presses aerofoil；20- wind deflector B；21- drain line B；22- tops air chamber；23- glass silk floss filters；24- charcoal absorption filters；25- explosion proof doors；26- cleaning air chambers；27- centrifugal blowers.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described with specific embodiment, so that those skilled in the art can be better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
The present invention provides a kind of Wet-dry flue gas purifying equipment of organic flue gas, as depicted in figs. 1 and 2, including one-level gas mixing device 1 and two grades of filters 2.
As organic Flue Gas Pretreatment Device one-level gas mixing device 1 structure as shown in Figure 3 and Figure 4, including mixed gas generator 3, spirality wind guide channel 4, mixed gas flusher 5, wind-guiding oil-filtering apparatus A6 and waste liquid collecting box A8.The mixed gas generator 3 has cylindrical shell, and its one end has air inlet 11, and the other end has air outlet 7, and the bottom of the mixed gas generator is provided with support 10, to set up the device.The spirality wind guide channel 4 is arranged at the inside of mixed gas generator 3 along the inwall of the housing of mixed gas generator, and the inner walls along mixed gas generator 3 are twist arranged, the internal diameter of the spirality wind guide channel 4（Diameter）It is 1 with the tube length of spirality wind guide channel 4:3 or so, it is preferable that internal diameter is 1 meter, the tube length of spirality wind guide channel 4 is 3 meters.
One end of the spirality wind guide channel 4 originates in the air inlet 11 of mixed gas generator 3, makes the organic flue gas entered in mixed gas generator 3 form spiral air channel shape along spirality wind guide channel 4 into inside mixed gas generator 3 from one and moves into cavity.The wind-guiding oil-filtering apparatus A6 is arranged at mixed gas generator 3 near the side of air outlet 7, the other end in spirality wind guide channel 4 and between the air outlet 7 of mixed gas generator 3, as shown in Figure 5 and Figure 6, wind-guiding oil-filtering apparatus A6 include it is multiple at equal intervals and the wind deflector A12 that be arranged in parallel, each wind deflector A12 is obliquely installed, angle between the plate in-plane of wind deflector A12 and horizontal direction is 45 °, the angle can be with specific design according to actual conditions, not at this angle to limit, as long as meeting inclined effect.The purpose that it is obliquely installed, towards the mixed internal motion of gas generator 3, increases run time of organic flue gas in spirality wind guide channel 4 in order to make organic flue gas to change direction after the surface of wind deflector is blown to.The shape of the wind deflector A12 is engaged with the concrete shape of the cavity position of the residing enclosure interior of mixed gas generator 4, generally circular plate type structure, and size differs according to location.The mixed gas flusher 5 is arranged in the inside of mixed gas generator 3, and the side of the air inlet 11 near mixed gas generator 3.The waste liquid collecting box A8 is arranged at the lower section of the mixed gas generator 3, and the bottom of waste liquid collecting box A8 has drain line A9, can discharge the waste liquid collected.The air outlet 7 of the mixed gas generator 3 is designed as the tapered channel for shrinking, in order to make gas this position by when there is no dead angle, do not produce gas running resistance, and gas can be enable to produce acceleration when this position passes through.According to aerodynamic principle, gas speed when by contracted channel accelerates pressure drop, gives subsequent gases one acceleration, makes gas in spiral duct running, and by acceleration centrifugal force is increased, and more effectively separates organic filler in waste gas.The bottom of the housing of the mixed gas generator 3 opens up through hole, the strip through hole that the through hole is preferably axially arranged, so that the mist of oil that thrown away by centrifugal force of organic flue gas and coating cloud particle are discharged by the through hole to the outside of mixed gas generator 3, flow into waste liquid collecting box A8 to be collected, then by preventing oil pipe A9 discharged the waste liquid of collection again.
Organic flue gas is entered in spirality wind guide channel 4 by the effect of centrifugal blower, and the mixed gas generator 3 has two effects：1st, when flue gas cleaner smoke processing system organic as dry type, organic flue gas is entered into and through in mixed gas generator 3, when organic exhaust gas are through mixed gas section, ozone is spilt from mixed gas flusher 5 to the organic tobacco gas blowout for entering, make that ozone is comprehensive with organic flue gas to be mixed, dispel the bad smell in organic flue gas.2nd, when using enterprise itself carry sewage disposal system, when flue gas cleaner is used as system for wet purification, mixed gas flusher 5 is used as water curtain flusher, water smoke is sprayed in organic flue gas, under water smoke effect, mist of oil or coating cloud particle and bad smell in flue gas will be taken out of by water smoke from flue gas, and flow into waste liquid collecting box carries out subsequent treatment into treatment tank.
Organic flue gas is Jing after the inside of mixed gas generator 3 that air inlet 11 enters gas mixing device, run along the spirality wind guide channel 4 in the inside of mixed gas generator 3, gas is rotated and travels forward and produce centrifugal force, under the action of the centrifugal force, mist of oil and coating cloud particle in organic flue gas is thrown in the inner walls of mixed gas generator 3 by throwing, is flowed into along inwall pending in waste liquid collecting box A8.
The composition of the mixed gas flusher 5 as shown in Figure 7 and Figure 8, including centrum 15, inner tube 14, pneumatic ball valve 18, input pipe 13, intermediate connector 17 and coma 16.The input pipe 13 is arranged on the housing of mixed gas generator 3, axial direction perpendicular to the mixed gas generator 3 is arranged, its arrival end is exposed to the outside of the mixed gas generator 3, as water or the entrance of ozone, the port of export is connected with the center of the inner tube 14 for axially arranging, the inner tube 14 is arranged at the inside of the mixed gas generator 3, and the inner tube 14 and mixed gas generator 3 are coaxially disposed, i.e. the axial direction of inner tube 14 is axially in parallel with mixed gas generator 3, or vertical between same rectilinear direction, inner tube 14 and input pipe 13 connect.Said inner tube 14 is wrapped respectively with the axial both direction being on the outer wall for mixing the input pipe 13 inside gas generator 3 along inner tube 14 from the outer wall of center both sides and is provided with two hollow cones, the bottom surface of two cones is oppositely arranged, and two cones are symmetrical arranged, the surface of the cone is provided with some through holes.The tube wall of said inner tube 14 adopts 316 stainless steel nethike embranes, and the m of screen distance 2, the water or ozone for making entrance is diffused into cone by inner tube 14, then is sprayed in the inside of mixed gas generator 3 by cone.The input pipe 13 is provided with pneumatic ball valve 18 near arrival end, for control to be into the intake of water or gas and is passed through speed.It is seamlessly connected by intermediate connector 17 between the input pipe 13 and facies basialis pyramidis, the intermediate connector 17 can be the accumulation casing of ozone or water, and ozone and water are allowed to the ozone for advancing into or water to the Uniform Flow of both sides inner tube 14 into after intermediate connector 17 by the pressure of follow-up ozone or water.The cone is internally provided with stainless steel fibre group 16, is wrapped in the outside of inner tube 14.The model 316 of the stainless steel fibre group 16.The number of described cone according to actual needs can specifically related to, for example can design 1,2,3,4 or more.
The mixed gas flusher 5 is when flue gas purifying equipment is used as dry process：
Ozone enters the inner tube 14 of mixed gas flusher 5 by input pipe 13, the tube wall of inner tube 14 is 316 stainless steel nethike embranes, m of screen distance 2 or so, ozone uniformly flows out inner tube 14 by the intensive mesh of film net on the wall of inner tube 14, the stainless steel fibre of 14 outer wrap of inner tube 316 group 16, after ozone flows out inner tube 14, roll into a ball under 16 decompositions in stainless steel fibre, inside full of mixed gas flusher 5, then by the micropore on the surface of centrum 15, ozone is sprayed into mixed gas generator 3, two ozone are formed in the mixed gas generator 3 of tubular by two cones 15 and sprays section, organic flue gas is entered in gas mixing device, section must be sprayed by two ozone, ozone and the well-mixed purpose of organic gas are made so as to reach.
The mixed gas flusher 5 is when flue gas purifying equipment is used as wet processed：
Water under high pressure enters the mixed inner tube 14 of gas flusher 5 by input pipe 13，The tube wall of inner tube 14 is 316 stainless steel nethike embranes，M of screen distance 2 or so，Water uniformly flows out inner tube 14 by the intensive mesh on the nethike embrane of inner tube 14，The stainless steel fibre of 14 outer wrap of inner tube 316 group 16，After water flows out inner tube 14，Roll into a ball under 16 decompositions in stainless steel fibre，Inside cone full of mixed gas flusher 5，Then high-pressure water mist is sprayed into tubular gas mixing device by the micropore on the surface of centrum 15 for mixing gas flusher 5，High-pressure water mist forms two water curtain sections in tubular gas mixing device，Organic flue gas is entered in mixed gas generator 3，Two water curtain sections must be passed through，Under the effect of water curtain section，Organic substance and bad smell in organic flue gas washes away out by water curtain from flue gas，Enter in waste liquid collecting box A8 in company with current，Treatment center of sewage is pumped into by water pump to be reprocessed.
In the present invention, organic gas Jing after the mixed gas disposal in the inside of mixed gas generator 3 of the front portion of one-level gas mixing device 1, the wind-guiding oil strain unit i.e. wind-guiding oil-filtering apparatus A6 at the rear portion of one-level gas mixing device 1 can be continued through under centrifugal blower effect, enter to be advanced into the oil strain again before two grades of filters 2 to process, larger mist of oil or coating cloud particle in organic flue gas carries out mechanical gravity formula and filters, purpose is as few as possible to be allowed in organic flue gas containing mist of oil and coating cloud particle, too many mist of oil or coating cloud particle is avoided to enter in glass silk floss filter 23 or charcoal absorption filter 24, make glass silk floss and activated carbon it is hardened and affect filter effect.The wind-guiding oil-filtering apparatus A6 selects to be made up of the inclined wind deflector A12 of polylith, wind deflector A12 can be selected as steel plate, the steel plate angle of inclination and the mode for arranging at equal intervals can block the passage that gas directly passes through, traffic direction must be changed when passing the gas through wind deflector A12, the change of gas flow direction necessarily causes the decline of gas flow rates, and with the mist of oil and coating cloud particle of gas flowing simultaneously, collision certainly will be also produced with inclined wind deflector A12, after gas flow rates decline, the power for driving the big mist of oil and coating cloud particle together flowed with gas is not just continued yet, mist of oil and coating cloud particle depart from gas flowing under impact force and self gravitation effect, along pending in the inner walls inflow waste liquid collecting box A8 of mixed gas generator 3.
As shown in figure 9, two grades of filters 2 include wind-guiding oil-filtering apparatus B, glass asbestos filter 23 and charcoal absorption filter 24.
Organic gas in two grades of filters 2, it is necessary first to through the wind-guiding oil-filtering apparatus B of two grades of middle front parts of filter 2（Effect is with wind-guiding oil-filtering apparatus A6）Carry out carrying out mechanical gravity formula to the mist of oil in organic flue gas and coating cloud particle to filter.The wind-guiding oil-filtering apparatus B of two grades of middle front parts of filter 2 is essentially identical with the wind-guiding oil-filtering apparatus A6 structures after the mixed Flash Gas Compression Skid System of one-level, wind-guiding oil-filtering apparatus B includes an air channel, one end of the horizontal direction in the air channel has air intake vent, the other end is sealed, the top in the air channel is provided with multiple wind deflector B20 of spaced, parallel setting as outlet, each wind deflector B20 is obliquely installed, and arranged in parallel between multiple wind deflector B20.Multiple pressure aerofoils 19 be arrangeding in parallel are provided with below air channel, can be by the windage being blown in air channel only operation downwards.The lower section of the pressure aerofoil 19 is provided with waste liquid collecting box B, can collect the waste liquid for giving off, and the lower chain of waste liquid collecting box B is connected to drain line B21.The top of the wind deflector B20 connects glass silk floss filter 23.It is in 45 ° of angles that wind deflector B20 arranges angle and is with horizontal direction（The angle design is not also with 45 ° as restriction, as long as can meet stop wind going out）, and arranged by the spacing of adjacent wind deflector B20, wind is set to direct out blowout, the passage that closure gas directly passes through, gas blows to wind deflector B20 surfaces can change traffic direction wind direction, gas is set to move back and forth in air channel, the change of gas flow direction necessarily causes the decline of gas flow rates, and with the mist of oil and coating cloud particle of gas flowing simultaneously, collision certainly will be also produced with inclined wind deflector B20, after gas flow rates decline, the power for driving the big mist of oil and coating cloud particle together flowed with gas is not just continued yet, mist of oil and coating cloud particle depart from gas flowing under impact force and self gravitation effect, flow downwardly into along wind deflector B20 pending in waste liquid collecting box B.
Organic flue gas after the wind-guiding oil-filtering apparatus B in premenstrual portion is filtered enters glass silk floss filter 23, due to the characteristic for refusing oil and water repellent of glass silk floss, passing through for the mist of oil in organic flue gas and coating cloud particle is blocked well, reach the purpose for filtering organic substance in organic flue gas, organic flue gas runs up into top air chamber 22 after the glass silk floss filter 23, the top air chamber 22 is provided with explosion proof door 25, charcoal absorption filter 24 is entered by the top air chamber 22, by the drying of activated carbon and to the absorption of moist material and the characteristic of taste removal, organic substance and bad smell to remaining in organic flue gas carries out last abjection and enters clean air chamber 26.Clean gas Jing centrifugal blowers 27 after two grades of filters 2 are filtered enter air, and organic flue gas reaches preferable gas discharge standard through cascade filtration.
The present invention adds glass silk floss, charcoal absorption Wet-dry method using gas mixing device, compare with existing industry technology, the method is used to reclaim the organic flue gas produced in painting workshop production process, gives full play to using glass silk floss and activated carbon characteristic ideal treatment effect, simple with process, small investment, efficiency high, equipment flexible arrangement can be met under different working conditions to the needs of processing equipment, meet environment protection standard emission request, processing cost can be taken into account again.No matter once the aspect such as investment, occupation area of equipment, operating cost, absorption unit costs, construction period is minimum compared to other treatment technologies, does not particularly have secondary pollution processing cost.The sport technique segments such as preparation, the conveying of glass silk floss and activated carbon are all current country's every profession and trades, commonly used mature technology, it is easy to grasp, without the need for increasing operations staff；Whole cleaning equipment can automation mechanized operation, keep an eye on without the need for employment.Adsorption treatment agent adds ozone using glass silk floss and activated carbon, resource distribution extensively, rich reserves and cheap, product can be reclaimed and used after absorption, non-secondary pollution, it is adaptable to all kinds of spray paintings and the organic flue gas purified treatment of corrosion prevention workshop；
It is of the invention have compared with current one's own profession in the industry like product collect that area is big, applied widely, treatment effeciency is high, save manpower, energy-conservation, the features such as operating cost is low, environment protection standard is discharged.Not only can be meeting the organic fume treatment mode of dry type, the organic fume treatment mode of wet type can also be met, especially when dry process mode is used, increased ozone more thorough on bad smell in organic flue gas is dispelled, increase organic mist of oil and coating cloud particle technique in many set separating flues simultaneously, make organic gas cleaning cleaner, it is ensured that the requirement of environment protection standard discharge.
The present invention also provides a kind of Wet-dry flue gas purifying technique of organic flue gas, and the technique includes following step：
Step one：Organic flue gas is entered inside mixed gas generator 3 by centrifuge, and run along the spirality wind guide channel 4 in the inside of mixed gas generator 3, gas is rotated and travels forward and produce centrifugal force, under the action of the centrifugal force, the mist of oil and coating cloud particle in organic flue gas can be thrown on the inwall of mixed gas generator 3 by throwing.
Step 2：According to actual needs, select to carry out dry type or wet processed, the material that specifically chosen mixed gas flusher 5 is passed through to the inside of mixed gas generator 3.
Mixed gas flusher 5 is when flue gas purifying equipment is used as dry process：
Ozone is passed through to the inside of mixed gas generator 3 by mixed gas flusher 5, ozone uniformly flows out inner tube 14 by intensive mesh in inner tube 14, after ozone flows out inner tube 14, roll into a ball under 16 decompositions in stainless steel fibre, inside mixed gas flusher 5, then by the micropore on the surface of centrum 15, ozone is sprayed into mixed gas generator 3, two ozone are formed by two cones in the mixed gas generator 3 of tubular spray section, organic flue gas is entered in gas mixing device, section must be sprayed by two ozone, so as to reach ozone is made with the well-mixed purpose of organic flue gas, dispel the bad smell in organic flue gas.
Mixed gas flusher 5 is when flue gas purifying equipment is used as wet processed：
Water under high pressure is passed through to the inside of mixed gas generator 3 by mixed gas flusher 5, water under high pressure uniformly flows out inner tube 14 by the intensive mesh on the wall of inner tube 14 for mixing gas flusher 5, after water flows out inner tube 14, roll into a ball under 16 decompositions in stainless steel fibre, inside mixed gas flusher 5, then high-pressure water mist is sprayed into tubular gas mixing device by the micropore on the surface of centrum 15, high-pressure water mist forms two water curtain sections in tubular gas mixing device, organic flue gas is entered in gas mixing device, two water curtain sections must be passed through, under the effect of water curtain section, organic substance and bad smell in organic flue gas washes away out by water curtain from flue gas, enter in waste liquid collecting box in company with current, treatment center of sewage is pumped into by water pump to be reprocessed.
Step 3：After organic flue gas is through mixing the mixed gas disposal inside gas generator 3, the wind-guiding oil-filtering apparatus A6 at the mixed Flash Gas Compression Skid System rear portion of one-level can be continued through under centrifugal blower effect, enter to be advanced into the oil strain again before two grades of filters 2 to process, larger mist of oil or coating cloud particle in organic flue gas carries out mechanical gravity formula and filters, purpose is as few as possible to be allowed in organic flue gas containing mist of oil and coating cloud particle, too many mist of oil or coating cloud particle is avoided to enter in glass silk floss filter 23 or charcoal absorption filter 24, make glass silk floss and activated carbon it is hardened and affect filter effect.Organic tobacco fate row is to wind deflector A12 surfaces, because wind deflector A12 is obliquely installed, organic flue gas is set to change traffic direction, the change of gas flow direction necessarily causes the decline of gas flow rates, and with the mist of oil and coating cloud particle of gas flowing simultaneously, and then also produce collision with inclined wind deflector A12, after gas flow rates decline, the power for driving the big mist of oil and coating cloud particle together flowed with gas is not just continued yet, mist of oil and coating cloud particle depart from gas flowing under impact force and self gravitation effect, along pending in the inwall inflow waste liquid collecting box A8 of mixed gas generator 3.
Step 4：Organic flue gas proceeds to two grades of filters 2 in the effect of centrifugal blower，Filtered by carrying out mechanical gravity formula including wind-guiding oil-filtering apparatus B first，Specifically by the air intake vent in air channel，Because the other end of air channel horizontal direction is blocked，And lower section is pressure aerofoil 19，Therefore，Gas only can run upward，It is spaced by top、It is obliquely installed wind deflector B20，Change the direction of motion of gas，Gas is set to move back and forth in-between in air channel，Gas cannot directly blow out，And then make organic flue gas constantly also produce collision with inclined wind deflector B20，After gas flow rates decline，The power for driving the big mist of oil and coating cloud particle together flowed with gas is not just continued yet，Mist of oil and coating cloud particle depart from gas flowing under impact force and self gravitation effect,，Flow downwardly into along wind deflector B20 pending in waste liquid collecting box B.
Step 5：Organic flue gas after the wind-guiding oil-filtering apparatus B in premenstrual portion is filtered enters glass silk floss filter 23, due to the characteristic for refusing oil and water repellent of glass silk floss, passing through for the mist of oil in organic flue gas and coating cloud particle is blocked well, reaches the purpose for filtering organic substance in organic flue gas.
Step 6：Organic flue gas after glass silk floss is filtered finally enters charcoal absorption filter 24, by the drying of activated carbon and to the absorption of moist material and the characteristic of taste removal, the organic substance and bad smell to remaining in organic flue gas carries out last abjection and enters clean air chamber 26.Clean gas Jing centrifugal blowers 27 after two grades of filters 2 are filtered enter air, and organic flue gas reaches preferable gas discharge standard through cascade filtration.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the present invention, protection scope of the present invention not limited to this.Equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, within protection scope of the present invention.Protection scope of the present invention is defined by claims.
Claims (8)
1. a kind of Wet-dry flue gas purifying technique of organic flue gas, it is characterised in that the technique includes following step：
Step one：Organic flue gas is passed through into mixed gas generator inside and the spirality wind guide channel operation inside, under the action of the centrifugal force, the mist of oil and coating cloud particle in organic flue gas is thrown on the inwall of mixed gas generator by throwing；
Step 2：Selection carries out dry type or wet processed, selects mixed gas flusher to be passed through ozone or water under high pressure to the inside of mixed gas generator；
Step 3：Organic flue gas travels further into glass silk floss filter, filters organic substance in organic flue gas；
Step 4：Organic flue gas finally enters charcoal absorption filter, and the organic substance and smell to remaining in organic flue gas is finally deviate from, and eventually enters into clean air chamber.
2. the Wet-dry flue gas purifying technique of organic flue gas according to claim 1, it is characterized in that, in the step 2, when needing to carry out dry process, ozone is passed through to the inside of mixed gas generator by mixed gas flusher, ozone flows out inner tube by the mesh of inner tube, under the decomposition of stainless steel fibre group, inside mixed gas flusher, then by the micropore on conical surface, ozone is sprayed into mixed gas generator, ozone is formed in the mixed gas generator of tubular by cone and sprays section, ozone is set to be sufficiently mixed with organic flue gas, dispel smell in organic flue gas.
3. the Wet-dry flue gas purifying technique of organic flue gas according to claim 1, it is characterized in that, in the step 2, when needing to carry out wet processed, water under high pressure is passed through to the inside of mixed gas generator by mixed gas flusher, water under high pressure flows out inner tube by mixing the mesh of the inner tube of gas flusher, under the decomposition of stainless steel fibre group, inside mixed gas flusher, then high-pressure water mist is sprayed into tubular gas mixing device by the micropore on conical surface, high-pressure water mist forms water curtain section in tubular gas mixing device, under the effect of water curtain section, organic substance and smell in organic flue gas washes away out by water curtain, enter in waste liquid collecting box in company with current, treatment center of sewage is pumped into by water pump to be reprocessed.
4. the Wet-dry flue gas purifying technique of organic flue gas according to claim 1, it is characterized in that, intermediate steps M1 are also included between the step 2 and step 3, through mixing organic flue gas of gas before mixed gas generator outlet is flowed out through wind-guiding oil-filtering apparatus A, to organic flue gas in larger mist of oil or coating cloud particle carry out mechanical gravity formula and filter.
5. the Wet-dry flue gas purifying technique of organic flue gas according to claim 4, it is characterised in that the wind-guiding oil-filtering apparatus A includes that the wind deflector A that multiple spaced, parallels are arranged, each wind deflector A are obliquely installed.
6. the Wet-dry flue gas purifying technique of organic flue gas according to claim 4, it is characterized in that, intermediate steps M2 are also included between step M1 and step 3, organic flue gas is entered also through wind-guiding oil-filtering apparatus B between glass silk floss filter, again to organic flue gas in larger mist of oil or coating cloud particle carry out mechanical gravity formula and filter.
7. the Wet-dry flue gas purifying technique of organic flue gas according to claim 6, it is characterized in that, the wind-guiding oil-filtering apparatus B includes air channel, the horizontal direction one end in air channel has air intake vent, the other end is shut, and the top in air channel, has been respectively arranged below multiple wind deflector B, multiple pressure aerofoils, and each wind deflector B is obliquely installed, waste liquid collecting box B, the top connection glass silk floss filter in air channel are provided with below air channel.
8. the Wet-dry flue gas purifying technique of organic flue gas according to claim 1, it is characterised in that the gas Jing centrifugal blowers in the step 4 in clean air chamber enter air.
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