CN114392645A - High concentration organic waste gas treatment, recycling and reusing system - Google Patents
High concentration organic waste gas treatment, recycling and reusing system Download PDFInfo
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- CN114392645A CN114392645A CN202210080016.2A CN202210080016A CN114392645A CN 114392645 A CN114392645 A CN 114392645A CN 202210080016 A CN202210080016 A CN 202210080016A CN 114392645 A CN114392645 A CN 114392645A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D53/00—Separation 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
- B01D53/14—Separation 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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B01D53/34—Chemical or biological purification of waste gases
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- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/76—Gas phase processes, e.g. by using aerosols
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Abstract
The invention belongs to the field of waste gas treatment, relates to an organic waste gas recovery technology, and is used for solving the problem of high difficulty in treatment of the existing high-concentration waste gas, in particular to a high-concentration organic waste gas treatment, recovery and recycling system, which comprises a high-efficiency absorption tower, wherein the high-efficiency absorption tower comprises a tower wall, two inner side walls of the tower wall are respectively and fixedly communicated with an air inlet pipe and a liquid discharge pipe, one end of the liquid discharge pipe, which is far away from the tower wall, is provided with a waste liquid treatment box, a guide plate is arranged between the tower walls, a liquid film forming baffle is arranged above the guide plate, a rotational flow plate is arranged on the liquid film forming baffle, and the rotational flow plate and the liquid film forming baffle are combined to form a rotational flow liquid collecting area; the invention is suitable for purifying complex organic waste gas with low concentration, large air volume, organic matters and the like by a composite absorption and purification technology based on water and a surfactant, the surface tension has important influence on the absorption process, and the surface tension of the composite absorbent is reduced.
Description
Technical Field
The invention belongs to the field of waste gas treatment, relates to an organic waste gas recovery technology, and particularly relates to a high-concentration organic waste gas treatment, recovery and recycling system.
Background
The waste gas volatilized by the reaction kettle used in the process links of chemical industry, pharmaceutical industry, printing industry and the like in China belongs to high-concentration organic waste gas, and the treatment characteristics are as follows: the high-concentration organic waste gas is generally characterized by flammability, explosiveness, toxicity, harm, solubility in organic solvents and great treatment difficulty.
In the printing production process of tipping paper in the ink printing industry, a large amount of organic solvent and a small amount of solvents such as ethyl acetate and the like are used for dissolving high molecular resin, and the organic solvent is completely volatilized in the drying film-forming process and is discharged after being mixed with air. It is estimated that, all China's large tipping paper printing manufacturers consume up to ten thousand tons of organic solvents every year, and discharge a large amount of harmful substances into the atmosphere every year, which not only causes serious environmental pollution and damages the health of production workers, but also becomes a heavy economic burden for numerous enterprises, and seriously affects the economic benefit and competitiveness of the enterprises.
In view of the above technical problem, the present application proposes a solution.
Disclosure of Invention
The invention aims to provide a high-concentration organic waste gas treatment, recycling and reusing system, which is used for solving the problem of high difficulty in the conventional high-concentration waste gas treatment;
the technical problems to be solved by the invention are as follows: how to provide a high-efficient high concentration organic waste gas treatment recovery system.
The purpose of the invention can be realized by the following technical scheme:
a high-concentration organic waste gas treatment, recycling and reusing system comprises a high-efficiency absorption tower, wherein the high-efficiency absorption tower comprises a tower wall, an air inlet pipe and a liquid discharge pipe are fixedly communicated with two inner side walls of the tower wall respectively, a waste liquid treatment box is arranged at one end, away from the tower wall, of the liquid discharge pipe, a guide plate is arranged between the tower walls, a liquid film forming baffle is arranged above the guide plate, a rotational flow plate is arranged on the liquid film forming baffle, and the rotational flow plate and the liquid film forming baffle are combined to form a rotational flow liquid collecting area;
the utility model discloses a high-efficient absorption tower, including tower wall, atomizing feed liquor pipe, atomizing spray thrower, tower wall, atomizing feed liquor pipe, be provided with the filler supporting layer between the tower wall, filler supporting layer top is provided with the packing layer, the fixed intercommunication of tower wall inner wall has atomizing feed liquor pipe, the one end that atomizing feed liquor pipe is located high-efficient absorption tower inside is provided with the atomizing spray thrower, the bottom of atomizing spray thrower is provided with liquid distribution pipe, liquid distribution bottom of the tubes portion is provided with evenly distributed's liquid nozzle, be provided with the defroster between the tower wall, the defogging board is installed to the defroster top surface, defogging board top fixed mounting has the defogging net, high-efficient absorption tower top is provided with the blast pipe.
Further, the fixed intercommunication in side that the fluid-discharge tube was kept away from to the waste liquid treatment case has the drain pipe, the fixed intercommunication of interior roof of waste liquid treatment case has the feeder hopper, and roof fixed mounting has two symmetrical mounting brackets, two in the waste liquid treatment case fixed mounting has the compounding transport case between the bottom of mounting bracket, the fixed intercommunication of interior bottom wall of compounding transport case has the installation pipe, and the middle part of installation pipe is provided with the material pump, the bottom fixed mounting of compounding transport case has two symmetrical links, the bottom fixed mounting of link has the stop collar, two fixed mounting has the connecting pipe between the inner circle of stop collar, the connecting pipe both ends are sealed, and the top of connecting pipe and the bottom of installation pipe are linked together, the fixed intercommunication in bottom of connecting pipe has evenly distributed's spray tube.
Further, swing joint has the bull stick between the inner wall of compounding delivery box, there is driving motor side of compounding delivery box through motor cabinet fixed mounting, driving motor output and bull stick fixed connection, the fixed surface of bull stick installs the commentaries on classics roller, the fixed surface of commentaries on classics roller installs evenly distributed's compounding subassembly and transport assembly.
Further, the compounding subassembly is including the installation cover, installation cover fixed mounting is at the surface of changeing the roller, the outer fixed surface of installation cover installs evenly distributed's compounding pole, conveying component includes two transport screw, compounding subassembly and conveying component alternate arrangement, and one of them conveying component is located the feeder hopper under.
Further, the working method of the high-concentration organic waste gas treatment, recycling and reusing system comprises the following steps:
the method comprises the following steps: firstly, high-concentration organic waste gas enters a high-efficiency absorption tower in a tangential manner through a gas inlet pipe, the waste gas is guided by a guide plate to upwards perform spiral motion along the wall of the tower, viscous dust particles in the waste gas are thrown to the wall of the tower under the action of rotating centrifugal force, an adsorbent flowing down from a liquid collection area of a cyclone plate forms a layer of liquid film on the wall of the tower, and the viscous dust particles thrown to the wall of the tower are adhered by the liquid film to be purified;
step two: organic waste gas continuously making upward spiral motion passes through the cyclone plate at a high air speed, the adsorbent thin film layers distributed on the blades from the blind plate are sprayed into liquid drops, the liquid drops are thrown to the wall of the tower by centrifugal force along with the movement of air flow, a rotating liquid ring is formed on the wall of the tower, and the liquid ring flows to a liquid collecting area of the cyclone plate along the wall of the tower under the action of gravity;
step three: the organic waste gas which is basically purified from the viscous dust particles from the cyclone plate enters the filler section, and fully contacts with the adsorbent through the filler layer, so that the mass transfer absorption is strengthened to purify organic and inorganic pollutants in the organic waste gas.
Further, the purified gas in the third step enters an ozone decomposition system through a demister, the ozone generated by the strong oxidizing property of the ozone and the organic waste gas in the air are subjected to oxidation reaction, the purified gas passes through an activated carbon adsorption system, a large number of micropores invisible to the naked eye and the acting force of mutual adsorption between activated carbon molecules are formed in the activated carbon material, because the molecules have mutually attractive acting force, after one molecule is captured by the inner hole of the active carbon and enters the inner hole of the active carbon, because of the mutual attraction between molecules, redundant molecules are continuously attracted until the pores in the activated carbon are filled, after the activated carbon adsorption is saturated, another activated carbon box is used for adsorption through a switching valve, the activated carbon box with the saturated adsorption is introduced with high-temperature water vapor for desorption, and the desorbed high-temperature waste liquid is discharged into the circulating water tank after being condensed by cooling water.
The invention has the following beneficial effects:
1. the composite absorption purification technology based on water and surfactant is suitable for purifying complex organic waste gas with low concentration, large air volume, organic matters and the like, the surface tension has important influence on the absorption process, the surface tension of the composite absorbent is reduced, the removal rate of pollutants is favorably improved, and the high-efficiency absorption tower integrates the functions of absorption, dust removal and demisting, can simultaneously and efficiently remove particles and various organic waste gas pollutants and dewater and demist, and is suitable for treating the organic waste gas containing the organic waste gas;
2. according to the invention, organic waste gas molecules are cracked by ozone, so that the organic waste gas which is completely absorbed can be fully degraded, the excessive emission of the organic waste gas is avoided, residual ozone molecules are adsorbed by using activated carbon, the pollution of environmental air caused by the emission of redundant ozone to the air is avoided, the purpose of recycling valuable organic waste gas is realized by an evaporation concentration process, the loss of raw and auxiliary materials in the production process of an enterprise is reduced, and great economic benefits are brought to the enterprise;
3. the waste liquid treatment box can be used for timely treating the waste liquid of the high-efficiency absorption tower, the waste liquid is prevented from being directly discharged to cause environmental pollution, the waste water is purified by spraying the treatment liquid in a physicochemical mode, meanwhile, the raw materials of the treatment liquid can be directly thrown into the feed hopper to mix the materials, and the treatment liquid is conveyed from left to right during mixing, so that the waste liquid treatment efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a high efficiency absorption column of the present invention;
FIG. 2 is a flow chart of the process for recovering the high concentration organic waste gas according to the present invention;
FIG. 3 is a front sectional view of the waste liquid treatment tank of the present invention.
In the figure: 1. an air inlet pipe; 2. a baffle; 3. a liquid film forming baffle; 4. a rotational flow liquid collecting area; 5. a swirl plate; 6. a filler layer; 7. a tower wall; 8. a demister; 9. a defogging plate; 10. a defogging net; 11. an exhaust pipe; 12. an atomizing sprayer; 13. an atomized liquid inlet pipe; 14. a liquid distribution pipe; 15. a liquid nozzle; 16. a filler support layer; 17. a cyclone liquid inlet pipe; 18. a liquid discharge pipe; a00, a waste liquid treatment box; a01, a liquid outlet pipe; a02, a feed hopper; a03, mounting rack; a04, mixing and conveying box; a05, a rotating rod; a06, driving a motor; a07, roller rotation; a08, mounting sleeve; a09, a mixing rod; a10, conveying a screw; a11, mounting a pipe; a12, a connecting frame; a13, a stop collar; a14, connecting pipe; a15, spray pipe.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, a high concentration organic waste gas treatment, recovery and reuse system comprises an organic waste gas collection module, an adsorbent configuration module, a high efficiency absorption tower, an ozone self-prepared machine module, an evaporation concentration module, a condensation recovery module, a waste liquid cooling module and a waste liquid anaerobic module.
Example one
As shown in fig. 2, the main process flow of recovering the high concentration organic waste gas in this embodiment includes: high-concentration organic waste gas collected by a gas collecting hood and a reaction kettle pipeline of a production workshop enters a high-efficiency absorption tower, the absorption tower has the structure inside, so that the contact surface area of the organic waste gas and a composite adsorbent is improved, the composite adsorbent preparation system automatically and quantitatively prepares corresponding concentration through the waste gas concentration of the organic waste gas, and the organic waste gas is dissolved by using similar compatible principle absorption liquid. The absorption contact surface area is increased by the micro-bubbles generated by the adsorbent so as to achieve the effect of enhancing the absorption of the organic waste gas; the composite adsorbent adopts special oligomer which is easy to react with the coagulant to produce porous condensate, and the obtained condensate is loose and has good coating property on the organic waste gas molecules, so that the distribution ratio of the organic waste gas molecules in the condensate is high, and the organic waste gas can be removed to a greater extent. Firstly, high-concentration organic waste gas enters the high-efficiency absorption tower through the tangential air inlet pipe 1, the waste gas is guided by the guide plate 2 to upwards perform spiral motion along the tower wall 7, viscous dust particles in the waste gas are thrown to the tower wall 7 under the action of rotating centrifugal force, the adsorbent flowing down from the liquid collection area of the cyclone plate 5 forms a layer of liquid film on the tower wall 7, and the viscous dust particles thrown to the tower wall 7 are adhered to the liquid film to be purified. The organic waste gas which continuously moves upwards in a spiral way passes through the cyclone plate 5 at a high air speed, the adsorbent film layers distributed on the blades from the blind plates are sprayed into liquid drops, the liquid drops are thrown to the tower wall 7 by centrifugal force along with the movement of the air flow, a rotating liquid ring is formed on the tower wall 7, and the liquid drops flow to the cyclone liquid collecting area 4 along the tower wall 7 under the action of gravity; the organic waste gas which is basically purified from the sticky dust particles from the cyclone plate 5 enters the filling section and fully contacts with the adsorbent through the filling layer 6, and the mass transfer absorption is strengthened to purify organic and inorganic pollutants in the organic waste gas. The purified gas enters the ozone decomposition system through the demister 8, most of the organic waste gas is dissolved in the absorption liquid after the high-concentration organic waste gas is absorbed by the high-efficiency absorption tower, and only a small part of the low-concentration organic waste gas is left to enter the ozone decomposition system, so that the ozone is generally added in a static mixer or a water ejector to prevent an ozone diffusion device in the ozone generator from being blocked by impurities. The static mixer has large head loss (4.9-9.8kPa), and is suitable for occasions with surplus head. The water sprayer does not consume the water head of the raw water, but needs to add part of power equipment to provide a small amount of water to be mixed with ozone so as to improve the mass transfer efficiency of the ozone. The dosage of the pre-ozone is small, generally 1-2mg/L, and the contact time is short, generally 1-4 min. The pre-ozonization is effective in removing low-concentration organic waste gas, the removal rate is about 95%, the ozone self-prepared machine can automatically adjust the concentration of ozone generated in the control system according to the residual concentration of the organic waste gas, and ensure that enough ozone decomposes redundant organic waste gas, the ozone generated and the organic waste gas in the air are subjected to oxidation reaction mainly by using the strong oxidizing property of the ozone, the purified gas passes through an activated carbon adsorption system, a large number of micropores invisible to the naked eye are formed in an activated carbon material, and the acting force of mutual adsorption among activated carbon molecules is applied, although the molecular motion speed is influenced by the reasons of temperature, material and the like, the molecular motion speed always keeps moving under a microenvironment. Because the molecules have the effort of inter attraction, after a molecule is caught by the active carbon hole and enters into the active carbon interior hole, because the reason of inter attraction between the molecule, can lead to unnecessary molecule constantly to be attracted, until filling up active carbon interior hole, after active carbon adsorption saturation, use another active carbon case to adsorb through the switching valve, the active carbon case of adsorption saturation lets in high-temperature steam and carries out the desorption, the high-temperature waste liquid after the desorption discharges into circulation tank after the condensation of cooling water, realize the overall process of active carbon adsorption-desorption, the waste gas after the purification at last passes through the chimney and discharges, realize the comprehensive treatment of high concentration organic waste gas, the problem that the organic waste gas is difficult to manage in the existing market has been solved.
After a period of absorption, the high-concentration organic waste gas is dissolved in water and passes through an evaporation and concentration stage, and the evaporation process of the concentration evaporator needs to be composed of an evaporator, a condenser, a heat exchanger and the like. The method comprises two components, namely heating a solvent to vaporize water vapor and continuously removing the vaporized water vapor, wherein most of organic waste gas exists in a high-temperature gas water-sealed tank in the form of steam after the organic waste gas is heated to 80 ℃ due to the boiling point of the organic waste gas of 78 ℃, and the high-temperature organic waste gas steam after being fully enriched forms an organic waste gas solution under the action of a condenser. The heating chamber of the invention adopts a methane combustion heating form, water vapor evaporated from a solution is separated in the separating chamber and then led out from the evaporator, feed liquid is called as finished liquid after the evaporation concentration in the evaporator meets the requirement, and the finished liquid is discharged from the bottom of the evaporator to the first-stage cooling tank. In an anoxic environment, gases generated in the anaerobic tank fermentation or anaerobic digestion process mainly comprise methane and carbon dioxide, the methane gas is compressed and stored by using a methane recovery tank, and heat generated by igniting the methane gas by using an air burner is supplied to an evaporation and concentration stage, so that the cyclic utilization of system energy is realized, and the energy consumption of system operation is saved. The biochemical pool is a treatment device which utilizes aerobic microorganisms in the sewage to digest and degrade organic matters in the sewage in the presence of free oxygen so as to stabilize and make the organic matters harmless. The aerobic tank is generally in the form of a contact oxidation tank, wherein a filler is arranged in the tank, and the oxygenated sewage submerges all the filler and flows through the filler at a certain flow rate. The microorganism is partly fixed on the surface of the filler in the form of a biological film, and partly suspended in water in the form of flocculent, so that the method has the characteristics of a biological filter and an activated sludge method. Oxygen required for microorganisms in the contact oxidation pond is usually supplied by artificial aeration, which makes activated sludge in a suspended state in the pond. After the biological film grows to a certain thickness, microorganisms near the filler wall carry out anaerobic metabolism due to oxygen deficiency, and the generated gas and the scouring action formed by aeration cause part of the biological film to fall off, so that the growth of a new biological film is promoted, and the biological metabolism is formed. The sedimentation tank realizes water purification by utilizing the principle that suspended impurity particles in water flow can be separated from the water flow when the downward sedimentation speed is greater than the flowing speed of the water flow or the downward sedimentation time is less than the time of the water flow flowing out of the sedimentation tank. The purified reclaimed water is stored in the clear water, and the reclaimed water is supplemented into the circulating water tank through the control of the liquid level, so that the requirement of zero emission of the waste liquid is met.
Example two
As shown in fig. 1, this embodiment is used for specifically disclosing a high-efficiency absorption tower for high-concentration organic waste gas, the high-efficiency absorption tower includes a tower wall 7, two inner side walls of the tower wall 7 are respectively and fixedly communicated with an air inlet pipe 1 and a liquid discharge pipe 18, the high-concentration organic waste gas enters the high-efficiency absorption tower tangentially to the air inlet pipe 1, the waste gas is guided by a guide plate 2 to make a spiral motion upwards along the tower wall 7, sticky dust particles in the waste gas are thrown to the tower wall 7 under the action of a rotating centrifugal force, an adsorbent flowing down from a liquid collection area of a cyclone plate 5 forms a layer of liquid film on the tower wall 7, the sticky dust particles thrown to the tower wall 7 are adhered by the liquid film to be purified, the vertical height of the air inlet pipe 1 is slightly higher than the vertical height of the liquid discharge pipe 18, the guide plate 2 is arranged between the tower walls 7, a forming baffle 3 is arranged above the guide plate 2, the liquid film forming baffle 3 is provided with the cyclone plate 5, the liquid film forming baffle 3 is combined with the cyclone plate 5 to form a liquid collection area 4, organic waste gas continuously making upward spiral motion passes through the cyclone plate 5 at a high gas speed, an adsorbent film layer distributed on each blade from a blind plate is sprayed into liquid drops, the liquid drops are thrown to the tower wall 7 by centrifugal force along with the movement of air flow, a rotating liquid ring is formed on the tower wall 7 and flows to the cyclone liquid collecting area 4 along the tower wall 7 under the action of gravity, the tower wall 7 is communicated with a cyclone liquid inlet pipe 17 in a penetrating way, a filler supporting layer 16 is arranged between the tower walls 7, a filler layer 6 is arranged above the filler supporting layer 16, an atomization liquid inlet pipe 13 is fixedly communicated with the inner wall of the tower wall 7, one end of the atomization liquid inlet pipe 13 positioned in the high-efficiency absorption tower is provided with an atomization spray thrower 12, the bottom of the atomization spray thrower 12 is provided with a liquid distribution pipe 14, the bottom of the liquid distribution pipe 14 is provided with uniformly distributed liquid nozzles 15, a demister 8 is arranged between the tower walls 7, and the top surface of the demister 8 is provided with a demisting plate 9, defogging net 10 is fixedly mounted on the top of defogging plate 9, and exhaust pipe 11 is arranged on the top of the high-efficiency absorption tower.
EXAMPLE III
The difference between this embodiment and the second embodiment is: the one end that tower wall 7 was kept away from to fluid-discharge tube 18 is provided with waste liquid treatment case A00, and waste liquid treatment case A00 can in time handle the waste liquid of high-efficient absorption tower, prevents that the waste liquid from directly discharging and causing environmental pollution, carries out purification treatment to waste water through the mode with treatment fluid materialization spun, and simultaneously, the raw materials of treatment fluid can directly drop into and carry out the compounding in feeder hopper A02, and the treatment fluid is carried from the left hand right hand side when the compounding to improve waste liquid treatment efficiency.
As shown in fig. 3, a waste liquid treatment tank a00 is communicated with a liquid discharge pipe 18, a side surface of the waste liquid treatment tank a00 away from the liquid discharge pipe 18 is fixedly communicated with a liquid discharge pipe a01, an inner top wall of the waste liquid treatment tank a00 is fixedly communicated with a feed hopper a02, an inner top wall of the waste liquid treatment tank a00 is fixedly provided with two symmetrical mounting frames a03, a mixing and conveying tank a04 is fixedly installed between bottoms of the two mounting frames a03, a rotating rod a05 is movably connected between inner walls of the mixing and conveying tank a04, a side surface of the mixing and conveying tank a04 is fixedly provided with a driving motor a06 through a motor base, an output end of the driving motor a06 is fixedly connected with a rotating rod a05, a rotating rod a07 is fixedly installed on an outer surface of the rotating rod a05, uniformly distributed mixing components and conveying components are fixedly installed on an outer surface of the rotating rod a07, the mixing components include an installation sleeve a08, an installation sleeve a08 is fixedly installed on an outer surface of the rotating roller a07, uniformly distributed mixing rods a09, conveying assembly includes two conveying screw A10, compounding subassembly and conveying assembly alternate arrangement, and one of them conveying assembly is located feeder hopper A02 under, the fixed intercommunication of the interior diapire of compounding transport case A04 has installation pipe A11, the middle part of installation pipe A11 is provided with the material pump, compounding transport case A04's bottom fixed mounting has two symmetrical link A12, link A12's bottom fixed mounting has stop collar A13, fixed mounting has connecting pipe A14 between two stop collar A13's the inner circle, connecting pipe A14 both ends are sealed, and the top of connecting pipe A14 communicates with the bottom of installation pipe A11, the fixed intercommunication of bottom of connecting pipe A14 has evenly distributed's spray tube A15.
A high concentration organic waste gas treatment recovery recycles the system, during operation, the organic waste gas tangential inlet pipe 1 of high concentration enters the high-efficient absorption tower, waste gas makes the spiral motion upwards along the tower wall 7 under the guide of guide plate 2, the stickness dust particle in the waste gas is thrown to the tower wall 7 under the effect of rotatory centrifugal force, adsorbent that flows down from the liquid collecting zone of whirl plate 5 forms a layer of liquid film on the tower wall 7, the stickness dust particle that is thrown to the tower wall 7 is adhered by the liquid film and purified, organic waste gas that continues to make the spiral motion upwards passes through the whirl plate 5 with very high air velocity, will distribute the adsorbent film layer on each blade from the blind plate and spray into the liquid droplet, the liquid droplet is thrown to the tower wall 7 by centrifugal force along with the air current motion, form the rotatory liquid ring on the tower wall 7, and flow to the liquid collecting zone of whirl plate 5 along the tower wall 7 under the effect of gravity; the organic waste gas which is basically purified from the sticky dust particles from the cyclone plate 5 enters the filling section and fully contacts with the adsorbent through the filling layer 6, and the mass transfer absorption is strengthened to purify organic and inorganic pollutants in the organic waste gas.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A high-concentration organic waste gas treatment, recycling and reusing system comprises a high-efficiency absorption tower and is characterized in that the high-efficiency absorption tower comprises a tower wall (7), an air inlet pipe (1) and a liquid discharge pipe (18) are fixedly communicated with two inner side walls of the tower wall (7) respectively, a waste liquid treatment tank (A00) is arranged at one end, away from the tower wall (7), of the liquid discharge pipe (18), a guide plate (2) is arranged between the tower walls (7), a liquid film forming baffle (3) is arranged above the guide plate (2), a rotational flow plate (5) is installed on the liquid film forming baffle (3), and the rotational flow plate (5) and the liquid film forming baffle (3) are combined to form a rotational flow liquid collecting area (4);
tower wall (7) run through the intercommunication and have whirl feed liquor pipe (17), be provided with filler supporting layer (16) between tower wall (7), filler supporting layer (16) top is provided with packing layer (6), tower wall (7) inner wall fixed intercommunication has atomizing feed liquor pipe (13), atomizing feed liquor pipe (13) are located the inside one end of high-efficient absorption tower and are provided with atomizing spray thrower (12), the bottom of atomizing spray thrower (12) is provided with liquid distribution pipe (14), liquid distribution pipe (14) bottom is provided with evenly distributed's liquid nozzle (15), be provided with defroster (8) between tower wall (7), defogging board (9) are installed to defroster (8) top surface, defogging board (9) top fixed mounting has defogging net (10), the high-efficient absorption tower top is provided with blast pipe (11).
2. The system for treating, recycling and reusing high concentration organic waste gas according to claim 1, wherein a liquid outlet pipe (A01) is fixedly communicated with the side of the waste liquid treatment tank (A00) far away from the liquid discharge pipe (18), a feed hopper (A02) is fixedly communicated with the inner top wall of the waste liquid treatment tank (A00), two symmetrical mounting frames (A03) are fixedly mounted on the inner top wall of the waste liquid treatment tank (A00), a mixing and conveying tank (A04) is fixedly mounted between the bottoms of the two mounting frames (A03), a mounting pipe (A11) is fixedly communicated with the inner bottom wall of the mixing and conveying tank (A04), a material pump is arranged in the middle of the mounting pipe (A11), two symmetrical connecting frames (A12) are fixedly mounted at the bottom of the mixing and conveying tank (A04), a limiting sleeves (A13) are fixedly mounted at the bottom of the connecting frames (A12), and a connecting pipe (A14) is fixedly mounted between the inner rings of the two limiting sleeves (A13), the two ends of the connecting pipe (A14) are sealed, the top of the connecting pipe (A14) is communicated with the bottom of the mounting pipe (A11), and the bottom of the connecting pipe (A14) is fixedly communicated with evenly distributed spray pipes (A15).
3. The high-concentration organic waste gas treatment, recycling and reusing system according to claim 2, wherein a rotating rod (A05) is movably connected between the inner walls of the mixing and conveying box (A04), a driving motor (A06) is fixedly installed on the side surface of the mixing and conveying box (A04) through a motor base, the output end of the driving motor (A06) is fixedly connected with the rotating rod (A05), a rotating roller (A07) is fixedly installed on the outer surface of the rotating rod (A05), and uniformly distributed mixing components and conveying components are fixedly installed on the outer surface of the rotating roller (A07).
4. The high-concentration organic waste gas treatment, recycling and reusing system according to claim 3, wherein the mixing component comprises a mounting sleeve (A08), the mounting sleeve (A08) is fixedly mounted on the outer surface of the rotating roller (A07), the outer surface of the mounting sleeve (A08) is fixedly mounted with uniformly distributed mixing rods (A09), the conveying component comprises two conveying screws (A10), the mixing component and the conveying component are alternately arranged, and one of the conveying component is located right below the feeding hopper (A02).
5. The system of claim 1, wherein the method of operating the system comprises:
the method comprises the following steps: firstly, high-concentration organic waste gas enters a high-efficiency absorption tower through a tangential air inlet pipe (1), the waste gas is guided by a guide plate (2) to upwards perform spiral motion along a tower wall (7), viscous dust particles in the waste gas are thrown to the tower wall (7) under the action of rotating centrifugal force, an adsorbent flowing down from a liquid collection area of a cyclone plate (5) forms a layer of liquid film on the tower wall (7), and the viscous dust particles thrown to the tower wall (7) are adhered by the liquid film to be purified;
step two: organic waste gas continuously making upward spiral motion passes through the cyclone plate (5) at a high gas speed, an adsorbent film layer distributed on each blade from the blind plate is sprayed into liquid drops, the liquid drops are thrown to the tower wall (7) by centrifugal force along with the movement of air flow, a rotating liquid ring is formed on the tower wall (7), and the liquid rings flow to a liquid collecting area of the cyclone plate (5) along the tower wall (7) under the action of gravity;
step three: the organic waste gas purified from the sticky dust particles from the cyclone plate (5) enters the filler section, and fully contacts with the adsorbent through the filler layer (6), so that the mass transfer absorption is enhanced to purify organic and inorganic pollutants in the organic waste gas.
6. The high concentration organic waste gas treatment, recycling and reusing system according to claim 5, wherein the purified gas in the third step enters the ozone decomposing system through the demister (8), the strong oxidizing property of ozone is utilized, the generated ozone and the organic waste gas in the air are oxidized, the purified gas passes through the activated carbon adsorption system, the activated carbon material has a large number of micro pores invisible to the eyes, the molecules of activated carbon have mutual adsorption force, when a molecule is captured by the inner hole of the activated carbon and enters the inner hole of the activated carbon, the molecules are attracted to each other due to the mutual adsorption force, until the inner hole of the activated carbon is filled, when the activated carbon is saturated, another activated carbon box is used for adsorption through the switching valve, and introducing high-temperature steam into the activated carbon box with saturated adsorption for desorption, and condensing the desorbed high-temperature waste liquid with cooling water and then discharging the high-temperature waste liquid into a circulating water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210080016.2A CN114392645A (en) | 2022-01-24 | 2022-01-24 | High concentration organic waste gas treatment, recycling and reusing system |
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|---|---|---|---|
| CN202210080016.2A CN114392645A (en) | 2022-01-24 | 2022-01-24 | High concentration organic waste gas treatment, recycling and reusing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430167A (en) * | 2022-11-07 | 2022-12-06 | 山东金宜善新材料有限公司 | Bromine-containing waste liquid treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430167A (en) * | 2022-11-07 | 2022-12-06 | 山东金宜善新材料有限公司 | Bromine-containing waste liquid treatment device |
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