CN111302545A - Novel light quantum spiral purifies removes flavor device - Google Patents
Novel light quantum spiral purifies removes flavor device Download PDFInfo
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- CN111302545A CN111302545A CN201911359066.9A CN201911359066A CN111302545A CN 111302545 A CN111302545 A CN 111302545A CN 201911359066 A CN201911359066 A CN 201911359066A CN 111302545 A CN111302545 A CN 111302545A
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/101—Sulfur compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Toxicology (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Catalysts (AREA)
Abstract
The utility model provides a novel light quantum spiral purifies odour removal device, characterized by it includes a casing (8), install dual-band light quantum transmitter (3) in casing (8), be formed with wind channel (2) between casing (8) and dual-band light quantum transmitter (3), dual-band light quantum transmitter (3) are close to the one end of import (1) and can transmit 253.7nm and 185.nm ultraviolet ray, the other end transmission 253.7nm ultraviolet ray, it has nanometer ultraviolet ray to coat in wind channel (2)TiO 2 Photocatalyst coatingLayer (4) and is nanoTiO 2 The photocatalyst coating (4) is spirally distributed in the air duct (2). The invention can be used for purifying the peculiar smell in the cyclone, and can also be used for water treatment and purification to eliminate the peculiar smell.
Description
Technical Field
The invention relates to an environment protection technology, in particular to a waste gas or waste water deodorization treatment technology, and specifically relates to a novel light quantum spiral purification and deodorization device.
Background
In the present day that the pollution of waste gas and odor is more and more serious, the air treatment becomes more and more important topic for sterilizing the air. The decomposition and oxidation treatment method is also continuously updated. At present, the air purification mainly comprises two modes of physical adsorption and chemical oxidation. Physical adsorption (mainly using active carbon without sterilization and disinfection capacity) and chemical treatment (oxidation) are not suitable for long-term use due to high cost, and the manufacturing of the adsorption material and the oxidation material and the post treatment of the product have more or less influence on the environment to a certain extent in terms of environmental protection.
Physical deodorants are deodorised by physical means, using the physical properties of the deodorants or odour gases, without changing the gas composition, but only in local concentrations, or relative concentrations. Adsorption of the odor eliminating agent, masking of the odor eliminating agent, and the like are common.
1. An adsorptive odor removal agent.
The adsorptive deodorant is a deodorizing method for adsorbing odor molecules in a porous substance by using a substance with excellent adsorption capacity by utilizing intermolecular van der waals force, and common adsorptive deodorants include activated carbon, bamboo charcoal, coconut fiber carbon and the like. The deodorant has large specific surface and large air volume, and can generally adsorb and reduce the concentration of peculiar smell in air so as to achieve the aim of removing the smell.
The latest non-phosphorus formula is adopted, and the atomization is carried out, so that the extremely high surface energy is formed on the surface of the tiny liquid drops. The surface energy can adsorb odor molecules in the air, the dissolving process of odor gas, namely the mass transfer process of gas phase to liquid phase, and the structure of the odor gas molecules is changed and becomes unstable; at the moment, effective molecules in the solution can provide electrons for odor gas molecules to react with odor molecules; meanwhile, the peculiar smell gas molecules adsorbed on the surface of the liquid drop can also react with oxygen in the air. Through the action of the agent, the odor molecules can generate tasteless and nontoxic molecules such as nitrogen, water and the like.
2. Masking the odor removal agent.
The odor masking deodorant is obtained by masking odor with natural aromatic oil, perfume, etc. Mainly for a plurality of environments with difficult removal of peculiar smell or troublesome odor removal, a plurality of gases with air positions are mixed in proportion to reduce the peculiar smell.
The tasteless odor masking agent with slow release performance is prepared by adopting an advanced polymer nano microencapsulation technology. The size of the microcapsule particle is 20-80 nm. The water-based emulsion can be well dispersed in aqueous liquid, and the formula balance of the liquid cannot be damaged after the water-based emulsion is added; meanwhile, the product has natural inhibition effect on the generation of fungi and mould due to the specific performance of the product. Achieving the good effect of killing two birds with one stone.
3. A chemical deodorant.
The chemical deodorant is used for eliminating peculiar smell by changing generated peculiar smell substances into peculiar smell-free substances through oxidation, reductive decomposition, neutralization reaction, addition reaction, condensation reaction, ion exchange reaction and the like.
3.1 Oxidation odor removal agent.
Oxidizing organic sulfur, organic amines and other substances in the odor into compounds with lighter odor or higher solubility by oxidants such as NaClO, chlorine and the like, and then absorbing and purifying by acid and alkali.
3.2 salt compounds.
Salt compounds are used as odor removing agents, such as divalent iron ions and ascorbic acid which are used together for inhibiting oxidation and react with odor substances such as ammonia, mercaptan and the like to change the odor substances into odor-free substances; the ligand of the ferric iron derivative and the metal complex and mercaptan or sulfur have a displacement reaction to convert the foreign odor substances into the foreign odor-free substances.
3.3 acid, base preparation.
The acid or alkali substances are used as the smell removing agent, for example, zinc oxide and hydrogen sulfide are subjected to non-catalytic gas-solid two-phase reaction, so that hydrogen sulfide gas in the air can be removed; the odor substances are removed by the inclusion, neutralization and addition reaction of the flavone and the essential oil components of the wood such as tannic acid.
4. Ultraviolet ray technique.
Ultraviolet rays are light waves invisible to the naked eye and exist outside the ultraviolet ray end of the spectrum, and are called ultraviolet rays. Ultraviolet radiation is one of the electromagnetic waves from solar radiation, a special form of matter operation, a stream of particles that are not connected. Each ultraviolet photon with a wavelength of 253.7nm has an energy of 4.9 eV. When ultraviolet rays irradiate the microorganisms, energy is transmitted and accumulated, and the microorganisms are inactivated due to the accumulation result, so that the aim of disinfection is fulfilled. When the absorption of bacteria and virus exceeds 3600-65000 uW/c square meter dose, the sterilizing agent has strong destructive power to deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) of the bacteria and virus, and can enable the bacteria and virus to lose viability and reproductive capacity so as to kill the bacteria and virus and achieve the effect of disinfection and sterilization. On one hand, the ultraviolet ray can mutate nucleic acid, block the nucleic acid from replicating, block transcription and synthesize protein; on the other hand, the generation of free radicals can cause photoionization, resulting in the death of cells.
The ultraviolet sterilizer adopts the principle that the irradiation intensity of an ultraviolet lamp tube, namely the irradiation intensity emitted by an ultraviolet sterilizing lamp, is inversely proportional to the distance of the irradiated sterilizing object. When the irradiation intensity is constant, the longer the irradiated disinfectant stays, the closer the irradiated disinfectant stays to the germicidal lamp tube, the better the germicidal effect is, otherwise, the worse the germicidal effect is.
The emerging ultraviolet disinfection in the current market has different defects, ozone is easy to generate, and the ozone output is difficult to control. The time of gas contact light is too short in a small space, so that the insufficient oxidation capacity, insufficient decomposition and the like are easy to occur, and redundant ozone is generated and discharged to the outside to generate unnecessary secondary pollution. For equipment, the problems of incomplete disinfection and sterilization, difficult cleaning, energy waste caused by long-term operation of the equipment and the like easily occur.
Disclosure of Invention
The invention aims to design a novel light quantum spiral purification and odor removal device aiming at the problem that the treatment effect is influenced by the ozone easily generated when the existing ultraviolet rays treat waste gas.
The technical scheme of the invention is as follows:
a novel light quantum spiral purification and odor removal device is characterized by comprising a shell 8, and two-waveband light is arranged in the shell 8An air duct 2 is formed between the quantum emitter 3 and the double-waveband light quantum emitter 3 in the shell 8, one end of the double-waveband light quantum emitter 3 close to the inlet 1 can emit 253.7nm and 185.nm ultraviolet rays, the other end emits 253.7nm ultraviolet rays, and nano TiO is coated in the air duct 22Photocatalyst coating 4, and nano TiO2The photocatalyst coating 4 is spirally distributed in the air duct 2.
The inlet 1 is an air inlet or a water inlet, and the corresponding outlet 7 is an air outlet or a water outlet.
When the inlet 1 is an air inlet, the shell 1 is of a dumbbell-shaped structure, and the outlet 7 is internally provided with a filter screen 5 and a fan 6.
The inlet 1 and the outlet 7 are provided with silencers 9.
The silencer 9 is an ultraviolet-proof plastic round block or a ceramic round block with a plurality of axial air holes.
The outer diameter of the silencer 9 is not less than 227 millimeters, and the diameter of the axial air hole is not less than 5 millimeters, so that air whistle is prevented.
The ratio of the length of the ultraviolet band of 253.7nm and 185.nm emitted by the dual-band light quantum emitter 3 to the length of the ultraviolet band of 253.7nm emitted is 4: 6.
the invention has the beneficial effects that:
on the basis of photolysis oxidation technology, the invention adopts variable pitch spiral air duct design, structurally solves the problems of contact time and distance from a quantum emission source, unprecedentedly improves the purification effect, and can effectively control the ozone emission rate.
The invention has simple structure and convenient manufacture, installation and use, is a brand-new environment-friendly magic instrument and certainly makes new contribution to the environmental protection career.
The invention can be used for purifying the peculiar smell in the cyclone, and can also be used for water treatment and purification to eliminate the peculiar smell.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of the mesobreaker of the present invention.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a schematic structural diagram of a dual-band optical quantum emitter of the present invention.
FIG. 5 is a schematic view of the spiral duct of the present invention.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1-5.
A novel light quantum spiral purifies odour removal device, as shown in figure 1, it includes a casing 8, install dual-band light quantum transmitter 3 in casing 8, be formed with wind channel 2 in the casing 8 and between the dual-band light quantum transmitter 3, dual-band light quantum transmitter 3 is close to the one end of import 1 and can launches 253.7nm and 185.nm ultraviolet ray, and the other end launches 253.7nm ultraviolet ray, dual-band light quantum transmitter 3 launch 253.7nm and 185.nm ultraviolet ray length A of line section and launch 253.7nm ultraviolet ray length B's ratio of 4: 6, as shown in fig. 4. The air duct 2 is coated with nano TiO2Photocatalyst coating 4, and nano TiO2The photocatalyst coating 4 is spirally distributed in the air duct 2, as shown in fig. 5. The inlet 1 is an air inlet or a water inlet, and the corresponding outlet 7 is an air outlet or a water outlet. The present embodiment is described by taking the waste gas treatment as an example, and when the water treatment is required, the waste gas treatment can be performed. When the inlet 1 is an air inlet, the casing 1 can be designed into a bellied structure as shown in fig. 1, and a filter screen 5 and a fan 6 are installed in the outlet 7 to improve the air exhaust effect. If necessary, the air inlet and the air outlet 7 can be provided with silencers 9, as shown in fig. 2 and 3, the silencers 9 can be purchased directly from the market, or can be designed into the structure shown in fig. 2 and 3, and a plurality of ultraviolet-proof plastic round blocks or ceramic round blocks with axial air holes are arranged at the inlet end or the outlet end. The outer diameter of the silencer 9 is not less than 227 mm, and the diameter of the axial air hole is not less than 5 mm, so that air whistle is prevented. .
In specific implementation, the dual-band light quantum emitter 3 can be prepared by the following method.
Firstly, silicon dioxide is used as a raw material, and two quartz tubes which are boron-containing quartz and hydroxyl-free quartz are manufactured according to the manufacturing process of the fluorescent lamp. Bonding the two ends of the quartz glass tube by a hot fusion technology to manufacture a quartz glass tube; vacuumizing the quartz glass tube and injecting high-purity mercury (8-10 mg); sealing the end of the hot-melt lamp tube filled with mercury and electrically connecting the end of the hot-melt lamp tube; the starting voltage of the lamp tube is controlled to be 100-230V by the rectifier, the input power is 25-90W, the power factor is not less than 0.98, and the ultraviolet light wave can be generated to be 185nm, 253.7nm mixed wave and 253.7nm single pure wave.
The working principle of the invention is as follows:
the flow of the purified air, gas, is driven by a fan as shown in figure 1. Air flows through the air inlet 1 and then enters the spiral air duct, a double-connected monomer photon quantity generator is arranged in the spiral air duct, the wave band in the area A is used for emitting ultraviolet rays in the wave band of 253.7nm 185.nm, and the wave band in the area B is used for emitting ultraviolet rays in the wave band of 253.7 nm. At the same time, the inner wall of the spiral air duct is coated with 4 (nanometer TiO)2Photocatalyst) to accelerate the photolysis efficiency. And dust particles in the air are removed through a spiral air duct and a filter screen 5 (filter screen). Achieving the effects of purification, decomposition and sterilization.
Meanwhile, the principle of the device can also be applied to water purification treatment, only air is changed into water, and primary filtration and ultrafiltration equipment is added at the tail end, and the water purifier mainly plays a role in sterilization and disinfection and is a water purifier. The spiral water channel water flow forms a rolling shape, so that viruses, bacteria and harmful microorganisms in water can be killed more effectively, and meanwhile, the water has no ozone taste, and the pure taste of the water is ensured.
Air containing organic pollutants (as H)2S for example) into the region (a), the following reactions were carried out under 185nm and 253.7nm irradiation:
α) main reaction:
nano TiO 22Under 185nm and 253.7nm illumination:
h in air2O steam and air (n)+) Acting to produce OH·
h++H2O→OH·+H·+h
OH·And H2S (hydrogen sulfide) reaction to produce SO2And H2O
6OH·+H2S→SO2+4H2O
Due to the fact that
Also has strong oxidizing property, continues to react with H2S (hydrogen sulfide) and SO2Reaction to form H2SO4And H2O
b) And (3) secondary reaction:
① Hydrogen sulfide (H)2S) direct absorption of 185nm ultraviolet light for photolysis to produce HS·
4HS·+3O2→2H2O+4SO2
② 185nm ultraviolet light on O2Production of O·
O·And H2S (hydrogen sulfide) reaction to produce SO2And H2O
2O·+H2S→H2O+SO2
③O·And O2Reaction to form O3.
O3+3H20+3SO2→3H2SO4(very soluble in water)
Part of hydrogen sulfide in the air flowing from the zone (A) is degraded into H2SO4And water with a small amount of O3This gas is further purified after entering zone (B).
Main reaction:
h++H2O→OH·+H+
4OH·+H2S→SO2+H2O
_________________________________________________________________________
and (3) secondary reaction:
_________________________________________________________________________
O·+O3→2O2
thus containing hydrogen sulfide (H)2S) air purification without generating O3
Other organic pollutants, such as benzene series, alcohol, ester and the like, have similar photocatalytic degradation effects, but the degradation process is more complicated, but the pollutants can be irradiated by the nano TiO under 185nm and 253.7nm light for enough time2Degradation to H2SO4And water. H2SO4The weak acid is formed after being dissolved in water, and sulfate is easily formed after entering soil, so that no pollutant is formed.
Ultraviolet light irradiates the inner wall of the spiral air ductOn (coated with TiO)2Photocatalyst) and the gas also flows through the spiral wind channel, and the spiral wind channel can more effectively let them contact simultaneously, has effectively increased the effect time, makes hydrogen sulfide fully photocatalytic degradation. Meanwhile, the spiral air duct solves the problem that ultraviolet light is harmful to people, and the spiral air duct shields the ultraviolet light in the air duct. Since 185nm photon energy reaches 6.7ev, organic substances such as benzene, toluene, alcohol, ester, etc. can be excited or photolyzed. The photocatalytic degradation effect of organic pollutants is improved.
The clean-up test performance of the present invention is shown in the table below.
| Serial number | Test environment | Air inlet | Discharge port of purifier | Purification efficiency |
| 1 | Temperature of | 27℃ | 27℃ | |
| 2 | Humidity | 5.6％ | 5.6％ | |
| 3 | Air quantity | 65m3/h | 65m3/h | |
| 4 | Hydrogen sulfide content | 1.92mg/m3 | 0.018mg/m3 | 99.06％ |
| 5 | Volatile organic content | 3.2mg/m3 | 0.026mg/m3 | 99.18％ |
| 6 | Bacterial microorganisms | 6400cfu/m3 | 39cfu/m3 | 99.39％ |
| 7 | Concentration of ozone | 62ug/m3 | 62.5cfu/m3 | The ozone content is increased by 0.8 percent |
The parts not involved in the present invention are the same as or can be implemented using the prior art.
Claims (7)
1. The utility model provides a novel light quantum spiral purifies odour removal device, characterized by it includes a casing (8), install dual-band light quantum transmitter (3) in casing (8), be formed with wind channel (2) between casing (8) and dual-band light quantum transmitter (3), dual-band light quantum transmitter (3) are close to the one end of import (1) and can transmit 253.7nm and 185.nm ultraviolet ray, the other end transmission 253.7nm ultraviolet ray, it has nanometer ultraviolet ray to coat in wind channel (2)TiO 2 A photocatalyst coating layer (4) of nano-sizeTiO 2 The photocatalyst coating (4) is spirally distributed in the air duct (2).
2. The novel light quantum spiral purification and odor removal device as claimed in claim 1, wherein the inlet (1) is an air inlet or a water inlet, and the corresponding outlet (7) is an air outlet or a water outlet.
3. The novel light quantum spiral purification and odor removal device as claimed in claim 1, wherein when the inlet (1) is an air inlet, the shell (1) is in a dumbbell-shaped structure, and the outlet (7) is provided with a filter screen (5) and a fan (6).
4. A novel light quantum spiral purifying and deodorizing device as claimed in claim 3, wherein the inlet (1) and the outlet (7) are provided with silencers (9).
5. The novel light quantum spiral purification and odor removal device as claimed in claim 4, wherein the silencer (9) is an ultraviolet-proof plastic or ceramic round block provided with a plurality of axial air holes.
6. The novel light quantum spiral purification and odor removal device as claimed in claim 5, wherein the outer diameter of the silencer (9) is not less than 227 mm, and the diameter of the axial air hole is not less than 5 mm, so as to prevent air whistling.
7. The spiral purifying and deodorizing device according to claim 1, wherein the ratio of the length of the ultraviolet ray segments emitting 253.7nm and 185.nm to the length of the ultraviolet ray segments emitting 253.7nm of the dual-band light quantum emitter (3) is 4: 6.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112316603A (en) * | 2020-10-26 | 2021-02-05 | 哈尔滨理工大学 | Superfine fiber dish disinfection filter equipment |
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