CN105381688A - Concentrated organic waste gas adsorption device and waste gas condensation method - Google Patents
Concentrated organic waste gas adsorption device and waste gas condensation method Download PDFInfo
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- CN105381688A CN105381688A CN201510943050.8A CN201510943050A CN105381688A CN 105381688 A CN105381688 A CN 105381688A CN 201510943050 A CN201510943050 A CN 201510943050A CN 105381688 A CN105381688 A CN 105381688A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
- B01D53/1487—Removing organic compounds
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
- B01D53/1493—Selection of liquid materials for use as absorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/20—Organic absorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/20—Organic absorbents
- B01D2252/202—Alcohols or their derivatives
- B01D2252/2023—Glycols, diols or their derivatives
- B01D2252/2026—Polyethylene glycol, ethers or esters thereof, e.g. Selexol
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/20—Organic absorbents
- B01D2252/204—Amines
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/20—Organic absorbents
- B01D2252/204—Amines
- B01D2252/20405—Monoamines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/20—Organic absorbents
- B01D2252/205—Other organic compounds not covered by B01D2252/00 - B01D2252/20494
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/20—Organic absorbents
- B01D2252/205—Other organic compounds not covered by B01D2252/00 - B01D2252/20494
- B01D2252/2056—Sulfur compounds, e.g. Sulfolane, thiols
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/50—Combinations of absorbents
- B01D2252/504—Mixtures of two or more absorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
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Abstract
The present invention relates to the field of waste gas treatment, and provides a concentrated organic waste gas adsorption device and a waste gas condensation method. The lower section of a box of the concentrated organic waste gas adsorption device is a lower liquid pool, a liquid inlet is successively communicated with a high-pressure pump and a liquid sorbent storage pool, a liquid outlet is in communication with a desorption tower, a circulating fluid outlet of the lower part of the lower liquid pool is in communication with a circulating fluid inlet at the top of the box by a circulation pump, a baffle is fixed on the side wall of the upper section of the box, a plurality of through holes are evenly arranged on the baffle, a range provided with the through holes is corresponding to the position of an adsorption work area in a waste gas adsorption cavity above the baffle, a membrane tube assembly is arranged in the adsorption work area, a plurality of membrane tubes are vertically fixed in a bracket, opposite two sides of the bracket are respectively a gas intake side and a gas outlet side, the gas intake side is in closed connection with a box gas inlet, the gas outlet side is in communication with a demisting zone, the membrane tubes are porous hollow fiber membrane tubes, the demisting zone is provided with a demisting baffle, and the box side wall on the top of the demisting zone is provided with a gas outlet. The concentrated organic waste gas adsorption device is low in cost, energy-efficient, and easy to operate.
Description
Technical field
The present invention relates to exhaust-gas treatment field, particularly relate to a kind of method of adsorbent equipment for concentrated organic exhaust gas and concentrated waste gas.
Background technology
Along with economic development, people more and more pay attention to environmental issue, and air pollution problems inherent is serious all the more now, also result in the attention of country and each enterprise, the difficult problem that air pollution has become people urgently to be resolved hurrily.
Large-wind-volume low-concentration VOCs (volatile organic waste gas) for technical grade produces, existing processing method has charcoal absorption, zeolite runner absorption etc., the advantage of charcoal absorption is that operating cost is low, advantages of good adsorption effect, defect is its regeneration difficulty of actual industrial, and absorption property affects larger by aqueous vapor, adsorption effect is unstable, inflammable etc. in thermal current regenerative process when adsorbing saturated.The adsorption runner advantage of ceramic fibre paper base material manufacture is that adsorption efficiency is high, and defect is that fabrication cycle is long, and wants to make base material reach required hardness; carry out many pretreatment, also comparatively fragile after shaping, floor space is large; need during transport to add protection, virtually add cost of manufacture.Therefore, research and develop a kind of structure simple, cost is low, and adsorption efficiency is high, and the adsorbent equipment of easy to operate concentrated organic exhaust gas seems particularly important.
Summary of the invention
It is simple that the technical problem to be solved in the present invention is to provide a kind of structure, and cost is low, and adsorption efficiency is high, the adsorbent equipment of easy to operate concentrated organic exhaust gas and the method for concentrated waste gas.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
The present invention concentrates the adsorbent equipment of organic exhaust gas, comprise casing, baffle plate, membrane pipe module, circulating pump and demist baffle plate, casing hypomere is lower liquid pool, lower liquid pool sidewall offers inlet and liquid outlet respectively, inlet stores up pond with high-pressure pump and liquid absorbent successively by the first pipeline and is communicated with, liquid outlet is communicated with desorption column by second pipe, lower liquid pool bottom is provided with circulation fluid outlet, circulation fluid exports the circulation fluid inlet communication by circulating pump and casing top, casing epimere madial wall is fixed with baffle plate, upper liquid pool is formed above baffle plate, it is waste gas adsorbent chamber below baffle plate, baffle plate evenly offers multiple through hole, offer the scope of through hole corresponding with the position of the absorption workspace in waste gas adsorbent chamber below baffle plate, waste gas adsorbent chamber is divided into absorption workspace and removes fog-zone, the wall box of absorption workspace offers air inlet, directly be communicated with waste gas pipeline road, absorption is provided with membrane pipe module in workspace, membrane pipe module comprises film pipe and support, some film pipes are vertically fixed in support, the relative two sides of support are respectively air inlet face and face of giving vent to anger, air inlet face is connected with casing air inlet is airtight, face of giving vent to anger is communicated with except fog-zone, film pipe is porous hollow fiber membrane pipe, except fog-zone is provided with demist baffle plate, except the wall box at top, fog-zone is provided with gas outlet.
The present invention concentrates the adsorbent equipment of organic exhaust gas, further, also comprise the first magnetic valve, the second magnetic valve, the 3rd magnetic valve, VOCs on-line computing model and PLC control system, first pipeline and the first magnetic valve and the second magnetic valve that second pipe is connected respectively, first magnetic valve is communicated with PLC control system respectively with the second magnetic valve, waste gas pipeline road is in series with the 3rd magnetic valve, 3rd magnetic valve is communicated with PLC control system, be fixed with VOCs on-line computing model below gas outlet, VOCs on-line computing model is communicated with PLC control system.
The present invention concentrates the adsorbent equipment of organic exhaust gas, further, arrange positive stop strip below described baffle plate, positive stop strip bottom is provided with tenon, described support width is equal with cabinets cavity width, support comprises framework and limiting plate, and limiting plate and framework are fixed, and frame left upper side frame is provided with groove, corresponding with the tenon position under baffle plate, tenon along groove slide anteroposterior, limiting plate can evenly offer multiple spacing hole, vertically inserts film pipe in spacing hole.
The present invention concentrates the adsorbent equipment of organic exhaust gas, further, described limiting plate comprises upper limit plate and lower limiting board, upper limit plate and lower limiting board are fixed with framework respectively, the position one_to_one corresponding of the spacing hole in the vertical direction on upper limit plate and lower limiting board, the two ends up and down of film pipe are inserted in the upper limit plate spacing hole corresponding with position on lower limiting board respectively.
The present invention concentrates the adsorbent equipment of organic exhaust gas, and further, described film pipe diameter is 2-7mm, and film length of tube is 1-2m, and the quantity of film pipe is 500-10000 root.
The present invention adopts adsorbent equipment to concentrate the method for organic exhaust gas, comprises following concrete steps:
(1) introduced by liquid absorbent in hollow-fibre membrane group, flow rate of liquid controls at 1-3m/s, between hollow-fibre membrane surface and hollow-fibre membrane, form liquid film;
(2) waste gas is introduced hollow-fibre membrane group, exhaust gas flow controls at 1.5-3m/s, and waste gas directly contacts with liquid film, and the organic matter in waste gas and big dust particle are adsorbed by liquid absorbent, falls with adsorbent, collects Posterior circle formation liquid film and repeats absorption;
(3) discharge after the gas demist after absorption;
(4) when VOCs content in Exhaust Gas exceedes setting warning value, change liquid absorbent, liquid absorbent is carried out desorption process, concentrated waste gas carries out burning disposal or concentrated recycling, the liquid absorbent recycling after desorption.
The present invention adopts adsorbent equipment to concentrate the method for organic exhaust gas, and further, described liquid absorbent is the one in organic solvent, surfactant system or microemulsion system.
The present invention adopts adsorbent equipment to concentrate the method for organic exhaust gas, further, described organic solvent comprises N, one or more in N '-diethyl hydroxylamine, Macrogol 6000, dimethyl silicone polymer, edible oil, used oil, diesel oil, mineral oil and NHD.
The present invention adopts adsorbent equipment to concentrate the method for organic exhaust gas, further, described surfactant system comprises surfactant and Zhong Shui, the mass ratio of surfactant and middle water is 1-20:1, and described surfactant is one or more in sorbimacrogol oleate100, polysorbas20, beta-schardinger dextrin-, natrium citricum, sodium acetate, fluorocarbon surfactant, sodium sulfate of polyethenoxy ether of fatty alcohol and AEO carboxylic acid sodium.
The present invention adopts adsorbent equipment to concentrate the method for organic exhaust gas, further, described microemulsion system comprises middle water, surfactant, cosurfactant and organic solvent, the mass ratio of middle water, surfactant, cosurfactant and organic solvent is 1:0.1-1:0.1-1:0.1-20, and surfactant is one or more in dioctyl sodium sulfosuccinate, dodecyl sodium sulfate, neopelex, softex kw, TritonX series and TWEEN Series surfactant.
The present invention concentrates the method for the adsorbent equipment of organic exhaust gas and concentrated waste gas compared with prior art, has following beneficial effect:
The adsorbent equipment that the present invention concentrates organic exhaust gas utilizes porous hollow fiber membrane control film forming pipe assembly, form the absorption carrier of liquid absorbent, be an independently absorbing unit, make liquid absorbent form liquid film between film tube-surface or film pipe, membrane pipe module is reusable, and loss is minimum, long service life, simultaneously because film pipe quantity is more, even if minority occurs damaged, do not affect the formation of liquid film, extend the service life of whole equipment to a certain extent yet; Because film pipe is arranged separately, when serious damage appears in film pipe, only change damaged film pipe, easy to operate, reduce maintenance cost.The present invention utilizes circulating pump that liquid absorbent is circulated in membrane pipe module, and the liquid film of formation is uninterrupted continuously, substantially increases the adsorption efficiency to organic pollution.The present invention is provided with demist baffle plate on the right side of membrane pipe module, make the gas after adsorption cleaning directly by the drop in demist baffle plate removing gas, directly air is disposed to after completing purification further, can up to more than 95% to the removal efficiency of the VOCs in waste gas.The present invention according to the process concentration of waste gas and the difference for the treatment of capacity, can arrange multiple membrane pipe module connected in series or in parallel, and improve adsorption efficiency, aggrandizement apparatus treating capacity, structure is simple, easy for installation.
The magnetic valve that each pipeline place is arranged all is connected with PLC control system with VOCs on-line computing model by the present invention, makes whole process can realize Automated condtrol and Real-Time Monitoring, makes whole operation more convenient.
The method that the present invention concentrates waste gas utilizes liquid absorbent automatically to flow through porous hollow fiber membrane pipe under gravity, stacked liquid film is formed continuously between film tube-surface and film pipe, when waste gas passes through, directly contact with liquid film, liquid film falls into lower liquid pool after being adsorbed with organic pollutants and circulates, whole adsorption process is not by such environmental effects, compared with charcoal absorption, do not limit by exhaust gas constituents, the scope of application is wide, effect stability, safe operation process is without hidden danger.The present invention selects the one in organic solvent, surfactant system or microemulsion system to be liquid absorbent, the adsorption capacity of most of organic solvent is stronger, 210mg/mL can be reached to the adsorbance of VOCs is the highest, the present invention have developed surfactant system and microemulsion system simultaneously, water is used to replace part or all of organic solvent, add the materials such as surfactant simultaneously, add the stability of liquid absorbent, reduce its preparation cost, about cost-saving about 500 yuan of often liter of adsorbent.Each absorbing unit uses the accessible exhausted air quantity of the isopyknic liquid absorbent of three classes at 8000-10000Nm
3between/h, compared with prior art, identical exhaust-gas treatment amount, more cost-saved than prior art 1,000,000 yuan/year of the present invention.In the process that the present invention is adsorbed at waste gas, take full advantage of the character of adsorbent and waste gas itself, decrease the application of more processing equipment, decrease the consumption of combustion gas equal energy source, compared with prior art, the waste gas of the equal batch of process, on average can save 90% gas consumption, decrease the discharge of gas consumption tail gas simultaneously.
Below in conjunction with accompanying drawing, the adsorbent equipment of concentrated organic exhaust gas of the present invention and liquid adsorption medium are described further.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention concentrates the adsorbent equipment of organic exhaust gas;
Fig. 2 is the structural representation of membrane pipe module.
Detailed description of the invention
As shown in Figure 1, the adsorbent equipment that the present invention concentrates organic exhaust gas comprises casing 1, baffle plate 31, membrane pipe module, circulating pump 5, demist baffle plate 6, VOCs on-line computing model 7 and PLC control system, casing 1 is cuboid, casing 1 adopts stainless steel, galvanized steel or aluminum-plated steel material are made, casing hypomere is lower liquid pool 2, lower liquid pool 2 left side wall offers inlet, inlet stores up pond with high-pressure pump 12 and liquid absorbent successively by the first pipeline 11 and is communicated with, lower liquid pool right side wall and the tangent place of tank floor offer liquid outlet, liquid outlet is communicated with desorption column by second pipe 13, first pipeline 11 and the first magnetic valve 81 and the second magnetic valve 82 that second pipe 13 is connected respectively, first magnetic valve 81 is communicated with PLC control system respectively with the second magnetic valve 82, lower liquid pool 2 left side wall is provided with observation window of liquid level mouth 21, lower liquid pool 2 bottom is provided with circulation fluid outlet, circulation fluid outlet is by the circulation fluid inlet communication of circulating pump 5 with casing top, casing 1 epimere madial wall is welded with baffle plate 31, positive stop strip 33 is set below baffle plate, positive stop strip 33 bottom is provided with tenon, baffle plate 31, positive stop strip 33 and tenon are made into integration, upper liquid pool 3 is formed above baffle plate, it is waste gas adsorbent chamber below baffle plate 31, baffle plate is evenly offered multiple through hole 32, offer the scope of through hole 32 corresponding with the position of the absorption workspace in waste gas adsorbent chamber below baffle plate, baffle plate 31 adopts stainless steel, galvanized steel or aluminum-plated steel material are made, it is absorption workspace on the left of waste gas adsorbent chamber, right side is for removing fog-zone, air inlet is provided with in the middle part of absorption workspace on casing left side wall, directly be communicated with waste gas pipeline road, waste gas pipeline road is in series with the 3rd magnetic valve 83, 3rd magnetic valve 83 is communicated with PLC control system, absorption is provided with membrane pipe module in workspace, a set of membrane pipe module is an absorbing unit, membrane pipe module comprises film pipe 41, support 42 and bracket base 43, bracket base 43 is connected and fixed on box bottom or wall box with welding or bolt, support 42 is connected and fixed on bracket base with welding or bolt, support 42 is highly not less than the liquid level in lower liquid pool, support 42 width is equal with cabinets cavity width, as shown in Figure 2, support 42 comprises framework 44, upper limit plate 45 and lower limiting board 46, upper limit plate 45 and lower limiting board 46 are welded and fixed with framework 44, on the left of framework 44, upper side frame is provided with groove 48, corresponding with the tenon position under baffle plate 31, tenon can along groove 48 slide anteroposterior, upper limit plate and lower limiting board evenly offer multiple spacing hole 47 on vertical direction correspondence position, vertically film pipe 41 is inserted in spacing hole 47, film pipe 41 is porous hollow fiber membrane pipe, film pipe diameter is not less than the aperture of spacing hole, film pipe diameter is 2-7mm, film length of tube is 1-2m, the quantity of film pipe is 500-10000 root, except fog-zone is provided with demist baffle plate 6, top, fog-zone of removing on casing right side wall is provided with gas outlet, casing right side wall below gas outlet is fixed with VOCs on-line computing model 7, VOCs on-line computing model 7 is communicated with PLC control system, the cabinet front wall of absorption workspace is provided with access door.
The method concrete steps that the present invention concentrates organic exhaust gas are as follows:
The first magnetic valve 81 is controlled by PLC control system, the fresh liquid adsorbent stored up by liquid absorbent in pond pumps into lower liquid pool 2 by high-pressure pump, after in lower liquid pool, liquid level reaches predetermined value, close the first magnetic valve 81, ON cycle pump 5, liquid absorbent in lower liquid pool 2 is sent into upper liquid pool 3, flow rate of liquid controls at 1-3m/s, liquid absorbent is flowed out by the through hole 32 on baffle plate 31, through membrane pipe module, spread at the surface uniform of porous hollow fiber membrane pipe 41, liquid film is formed between film tube-surface and film pipe, after whole membrane pipe module is evenly soaked, open the 3rd magnetic valve 83, pass into waste gas, exhaust gas flow controls at 1.5-3m/s, the width of membrane pipe module is equal with cabinets cavity width, after membrane pipe module sends into casing by positive stop strip, fit tightly with cabinet wall before and after membrane pipe module, framework 44 top is closely agreed with by groove 48 and spacing tenon, form the space of a relative closure, after waste gas enters, contact with liquid film when guiding it to pass through membrane pipe module, organic matter in waste gas and big dust particle are adsorbed by liquid absorbent, and fall into lower liquid pool 2 with adsorbing medium, circulating pump 5 continuous operation, to keep the complete of liquid film, pass through the Purge gas of absorption through demist baffle plate 6, discharged by gas outlet.When in Purge gas, VOCs content is higher than 50ppm, close the 3rd magnetic valve 83, stop passing into waste gas, open the second magnetic valve 82, by second pipe, saturated waste liquid is sent into desorption column, carry out adding thermal desorption at 50-250 DEG C, the concentrated waste gas after desorption carries out burning disposal, and the liquid absorbent after desorption can send lower liquid pool recycling back to.Open access door, absorbing unit can be taken out, carry out changing or keeping in repair.
For the waste gas of variable concentrations, multiple membrane pipe module can be selected to carry out serial or parallel connection and to combinationally use, to add high throughput.
It is one in organic solvent, surfactant system or microemulsion system that the present invention concentrates the liquid absorbent used in the adsorbent equipment of organic exhaust gas.
Organic solvent comprises N, one or more in N '-diethyl hydroxylamine, Macrogol 6000, dimethyl silicone polymer, edible oil, used oil, diesel oil, mineral oil and NHD.Embodiment 1 and 2 uses NHD and used oil to be liquid absorbent in the adsorbent equipment of above-mentioned concentrated organic exhaust gas respectively.
Surfactant system comprises surfactant and Zhong Shui, the mass ratio of surfactant and middle water is 1-20:1, and the surfactant in surfactant system is one or more in beta-schardinger dextrin-, natrium citricum, sodium acetate, fluorocarbon surfactant, sodium sulfate of polyethenoxy ether of fatty alcohol and AEO carboxylic acid sodium.Wherein fluorocarbon surfactant is 3-trimerization epoxy HFC-236fa amidopropyl (2-sulfurous acid) ethosulfate, 3-trimerization epoxy HFC-236fa amido propyl betaine, the soft bridge of 6-3-9 fluorine carbon mix one or more that the two quaternary ammonium of chain and the hydrocarbon soft bridge of 8-3-9 fluorine carbon mix in the two quaternary ammonium of chain.In embodiment 3-5, the volume ratio of surfactant used and middle water is as shown in table 1.
The proportioning (mass percent) of table 1 surfactant and middle water
Water in the proportioning of quality shown in table 1 is heated to 20-25 DEG C, then adds surfactant, uniform stirring 5-10min.
Microemulsion system comprises middle water, surfactant, cosurfactant and organic solvent, and the mass ratio of middle water used, surfactant, cosurfactant and organic solvent is 1:0.1-1:0.1-1:0.1-20.
The surfactant wherein used is dioctyl sodium sulfosuccinate, dodecyl sodium sulfate, neopelex, softex kw, TritonX series and TWEEN Series surfactant in one or more.
The cosurfactant wherein used is normal propyl alcohol, one or more in n-butanol, n-amyl alcohol, n-hexyl alcohol, n-heptanol, n-octyl alcohol, n-butyric acie, n-butylamine, isopropyl alcohol, isobutanol, isoamyl alcohol, caprylic capric, LABRAFIL M 1944CS, Unigly GO 102S, Sefsol 218, TC and oleic acid LABRAFIL M 1944CS.
The organic solvent wherein used comprises N, one or more in N '-diethyl hydroxylamine, Macrogol 6000, dimethyl silicone polymer, edible oil, used oil, diesel oil, mineral oil and NHD.
The mass ratio of the middle water, surfactant, cosurfactant and the organic solvent that use in embodiment 6-11 is as shown in table 2.
The proportioning (mass percent) of each component in table 2 microemulsion system
According to quality proportioning described in table 2, Jiang Zhongshui is heated to 20-25 DEG C, then adds surfactant and cosurfactant, and uniform stirring 5-10min, then adds organic solvent, uniform stirring 5-10min.
The aforesaid liquid adsorbent that different component proportioning is obtained, being applied in the present invention concentrates in the adsorbent equipment of organic exhaust gas, use an absorbing unit, when in emission gases, VOCs content reaches 50ppm, stop passing into waste gas, now, time of consuming adsorbance organic in waste gas and whole adsorption process of liquid absorbent is as shown in table 3.
Table 3 different liquids adsorbent is to the adsorbance of pollutant in waste gas
| Adsorbance (mg/mL) | Process waste gas (Nm 3/h) | Time (h) | VOCs clearance (%) | |
| Embodiment 1 | 216 | 10000 | 48 | 99 |
| Embodiment 2 | 52 | 8000 | 34 | 95 |
| Embodiment 3 | 31 | 8500 | 25 | 93 |
| Embodiment 4 | 35 | 5000 | 29 | 93 |
| Embodiment 5 | 100 | 6000 | 24 | 94 |
| Embodiment 6 | 49 | 5000 | 27 | 94 |
| Embodiment 7 | 55 | 5500 | 28 | 94 |
| Embodiment 8 | 90 | 6000 | 30 | 97 |
| Embodiment 9 | 104 | 5500 | 38 | 98 |
| Embodiment 10 | 156 | 8000 | 56 | 99 |
| Embodiment 11 | 138 | 10000 | 48 | 99 |
From table 3, the liquid absorbent of heterogeneity, different ratio is different to the organic degree of absorption in waste gas, adsorbance is in 30-210mg/mL, and the use effective time limit of liquid absorbent is between 24-56h, the accessible exhausted air quantity of the isopyknic liquid absorbent of each absorbing unit is at 5000-10000Nm
3between/h, in waste gas, the average removal rate of VOCs is between 93-99%, and the content of discharging VOCs in clean gas is no more than 50ppm.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (10)
1. the adsorbent equipment of concentrated organic exhaust gas, it is characterized in that: comprise casing, baffle plate, membrane pipe module, circulating pump and demist baffle plate, casing hypomere is lower liquid pool, lower liquid pool sidewall offers inlet and liquid outlet respectively, inlet stores up pond with high-pressure pump and liquid absorbent successively by the first pipeline and is communicated with, liquid outlet is communicated with desorption column by second pipe, lower liquid pool bottom is provided with circulation fluid outlet, circulation fluid exports the circulation fluid inlet communication by circulating pump and casing top, casing epimere madial wall is fixed with baffle plate, upper liquid pool is formed above baffle plate, it is waste gas adsorbent chamber below baffle plate, baffle plate evenly offers multiple through hole, offer the scope of through hole corresponding with the position of the absorption workspace in waste gas adsorbent chamber below baffle plate, waste gas adsorbent chamber is divided into absorption workspace and removes fog-zone, the wall box of absorption workspace offers air inlet, directly be communicated with waste gas pipeline road, absorption is provided with membrane pipe module in workspace, membrane pipe module comprises film pipe and cuboid support, some film pipes are vertically fixed in support, the relative two sides of support are respectively air inlet face and face of giving vent to anger, air inlet face is connected with casing air inlet is airtight, face of giving vent to anger is communicated with except fog-zone, film pipe is porous hollow fiber membrane pipe, except fog-zone is provided with demist baffle plate, except the wall box at top, fog-zone is provided with gas outlet.
2. the adsorbent equipment of concentrated organic exhaust gas according to claim 1, it is characterized in that: also comprise the first magnetic valve, second magnetic valve, 3rd magnetic valve, VOCs on-line computing model and PLC control system, first pipeline and the first magnetic valve and the second magnetic valve that second pipe is connected respectively, first magnetic valve is communicated with PLC control system respectively with the second magnetic valve, waste gas pipeline road is in series with the 3rd magnetic valve, 3rd magnetic valve is communicated with PLC control system, VOCs on-line computing model is fixed with below gas outlet, VOCs on-line computing model is communicated with PLC control system.
3. the adsorbent equipment of concentrated organic exhaust gas according to claim 1, it is characterized in that: below described baffle plate, positive stop strip is set, positive stop strip bottom is provided with tenon, and described support width is equal with cabinets cavity width, and support comprises framework and limiting plate, limiting plate and framework are fixed, frame left upper side frame is provided with groove, corresponding with the tenon position under baffle plate, and tenon can along groove slide anteroposterior, limiting plate evenly offers multiple spacing hole, in spacing hole, vertically inserts film pipe.
4. the adsorbent equipment of concentrated organic exhaust gas according to claim 3, it is characterized in that: described limiting plate comprises upper limit plate and lower limiting board, upper limit plate and lower limiting board are fixed with framework respectively, the position one_to_one corresponding of the spacing hole in the vertical direction on upper limit plate and lower limiting board, the two ends up and down of film pipe are inserted in the upper limit plate spacing hole corresponding with position on lower limiting board respectively.
5. the adsorbent equipment of the concentrated organic exhaust gas according to claim 1-4 any one, is characterized in that: described film pipe diameter is 2-7mm, and film length of tube is 1-2m, and the quantity of film pipe is 500-10000 root.
6. adopt adsorbent equipment described in claim 1-4 any one to concentrate the method for organic exhaust gas, it is characterized in that: comprise following concrete steps:
(1) introduced by liquid absorbent in hollow-fibre membrane group, flow rate of liquid controls at 1-3m/s, between hollow-fibre membrane surface and hollow-fibre membrane, form liquid film;
(2) waste gas is introduced hollow-fibre membrane group, exhaust gas flow controls at 1.5-3m/s, and waste gas directly contacts with liquid film, and the organic matter in waste gas and big dust particle are adsorbed by liquid absorbent, falls with adsorbent, collects Posterior circle formation liquid film and repeats absorption;
(3) discharge after the gas demist after absorption;
(4) when VOCs content in Exhaust Gas exceedes setting warning value, change liquid absorbent, liquid absorbent is carried out desorption process, and concentrated waste gas carries out burning or concentrate recycling, the liquid absorbent recycling after desorption.
7. concentrate the method for organic exhaust gas according to claim 6, it is characterized in that: described liquid absorbent is the one in organic solvent, surfactant system or microemulsion system.
8. concentrate the method for organic exhaust gas according to claim 7, it is characterized in that: described organic solvent comprises N, one or more in N '-diethyl hydroxylamine, Macrogol 6000, dimethyl silicone polymer, edible oil, used oil, diesel oil, mineral oil and NHD.
9. concentrate the method for organic exhaust gas according to claim 6, it is characterized in that: described surfactant system comprises surfactant and Zhong Shui, the mass ratio of surfactant and middle water is 1-20:1, and described surfactant is one or more in beta-schardinger dextrin-, natrium citricum, sodium acetate, fluorocarbon surfactant, sodium sulfate of polyethenoxy ether of fatty alcohol and AEO carboxylic acid sodium.
10. concentrate the method for organic exhaust gas according to claim 6, it is characterized in that: described microemulsion system comprises middle water, surfactant, cosurfactant and organic solvent, the mass ratio of middle water, surfactant, cosurfactant and organic solvent is 1:0.1-1:0.1-1:0.1-20, and surfactant is one or more in dioctyl sodium sulfosuccinate, dodecyl sodium sulfate, neopelex, softex kw, TritonX series and TWEEN Series surfactant.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107754567A (en) * | 2017-10-27 | 2018-03-06 | 重庆市机电设计研究院 | The collaborative work circuit and method of work of organic exhaust gas are handled by producing microbubble |
| CN108079959A (en) * | 2017-12-07 | 2018-05-29 | 浙江海洋大学 | A kind of adsorbent and preparation method for handling sour crude oil gas |
| CN108837679A (en) * | 2018-08-26 | 2018-11-20 | 上海超高环保科技股份有限公司 | Administer the purification system and purification method of volatile organic matter |
| CN109731443A (en) * | 2019-03-18 | 2019-05-10 | 上海超高环保科技股份有限公司 | Administer the used oil spray equipment and preparation method thereof of volatile organic matter |
| CN110314495A (en) * | 2019-08-06 | 2019-10-11 | 福建省宇洲环保集团有限公司 | A kind of novel VOCs absorbent and preparation method thereof |
| CN111888893A (en) * | 2020-07-30 | 2020-11-06 | 刘时章 | Static gas processor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5445669A (en) * | 1993-08-12 | 1995-08-29 | Sumitomo Electric Industries, Ltd. | Membrane for the separation of carbon dioxide |
| JPH1147542A (en) * | 1997-07-31 | 1999-02-23 | Toshiba Corp | Exhaust gas dryer and radioactive gas waste treatment apparatus having the same |
| CN101108296A (en) * | 2007-08-23 | 2008-01-23 | 上海同济华康环境科技有限公司 | Process method of purifying and recycling mixed organic waste gas |
| CN104524947A (en) * | 2015-01-07 | 2015-04-22 | 广东红棉乐器有限公司 | Spraying organic waste gas treatment system and treatment method based on molecular sieve adsorption technology |
| CN104740977A (en) * | 2015-03-02 | 2015-07-01 | 江苏汇维特新材料科技有限公司 | Treatment device and method for coating waste gas |
| CN205216526U (en) * | 2015-12-16 | 2016-05-11 | 北京埃夫信环保科技有限公司 | Concentrated organic waste gas's adsorption equipment |
-
2015
- 2015-12-16 CN CN201510943050.8A patent/CN105381688B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5445669A (en) * | 1993-08-12 | 1995-08-29 | Sumitomo Electric Industries, Ltd. | Membrane for the separation of carbon dioxide |
| JPH1147542A (en) * | 1997-07-31 | 1999-02-23 | Toshiba Corp | Exhaust gas dryer and radioactive gas waste treatment apparatus having the same |
| CN101108296A (en) * | 2007-08-23 | 2008-01-23 | 上海同济华康环境科技有限公司 | Process method of purifying and recycling mixed organic waste gas |
| CN104524947A (en) * | 2015-01-07 | 2015-04-22 | 广东红棉乐器有限公司 | Spraying organic waste gas treatment system and treatment method based on molecular sieve adsorption technology |
| CN104740977A (en) * | 2015-03-02 | 2015-07-01 | 江苏汇维特新材料科技有限公司 | Treatment device and method for coating waste gas |
| CN205216526U (en) * | 2015-12-16 | 2016-05-11 | 北京埃夫信环保科技有限公司 | Concentrated organic waste gas's adsorption equipment |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107754567A (en) * | 2017-10-27 | 2018-03-06 | 重庆市机电设计研究院 | The collaborative work circuit and method of work of organic exhaust gas are handled by producing microbubble |
| CN107754567B (en) * | 2017-10-27 | 2019-10-01 | 重庆市机电设计研究院 | The collaborative work circuit and working method of organic exhaust gas are handled by generating microbubble |
| CN108079959A (en) * | 2017-12-07 | 2018-05-29 | 浙江海洋大学 | A kind of adsorbent and preparation method for handling sour crude oil gas |
| CN108837679A (en) * | 2018-08-26 | 2018-11-20 | 上海超高环保科技股份有限公司 | Administer the purification system and purification method of volatile organic matter |
| CN109731443A (en) * | 2019-03-18 | 2019-05-10 | 上海超高环保科技股份有限公司 | Administer the used oil spray equipment and preparation method thereof of volatile organic matter |
| CN110314495A (en) * | 2019-08-06 | 2019-10-11 | 福建省宇洲环保集团有限公司 | A kind of novel VOCs absorbent and preparation method thereof |
| CN110314495B (en) * | 2019-08-06 | 2021-12-28 | 福建省宇洲环保集团有限公司 | Novel VOCs absorbent and preparation method thereof |
| CN111888893A (en) * | 2020-07-30 | 2020-11-06 | 刘时章 | Static gas processor |
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