CN207614646U - A kind of ozone free UV photodissociation VOCs reactors - Google Patents
A kind of ozone free UV photodissociation VOCs reactors Download PDFInfo
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- CN207614646U CN207614646U CN201721584649.8U CN201721584649U CN207614646U CN 207614646 U CN207614646 U CN 207614646U CN 201721584649 U CN201721584649 U CN 201721584649U CN 207614646 U CN207614646 U CN 207614646U
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Abstract
It the utility model discloses a kind of ozone free UV photodissociation VOCs reactors, including holder and multiple UV lamps on holder, is arranged in parallel between multiple UV lamps, catalyst is equipped between two adjacent UV lamps；The outer conductor that the UV lamp includes titaniferous quartz glass tube, two lamp caps, the filament in titaniferous quartz glass tube and one end that titaniferous quartz glass tube both ends seal are connected with filament, the other end of outer conductor is located at across lamp cap outside titaniferous quartz glass tube, and inert gas is stored in the titaniferous quartz glass tube.The utility model proposes ozone free UV photodissociation VOCs reactors, can effectively degrade VOCs, and treatment effeciency is high, and non-secondary pollution.
Description
Technical field
The utility model belongs to organic pollutant degradation processing technology field more particularly to a kind of ozone free UV photodissociation VOCs
Reactor.
Background technology
VOCs (volati le organic compounds) volatile organic matter, refers to that saturated vapor pressure is big under room temperature
Boiling point is in 50-260 DEG C of organic compound below under 133.32Pa, normal pressure, or it is any at normal temperatures and pressures can volatilization have
Machine solid or liquid cause serious pollution to environment after volatilization, influence air quality.
Photooxidation catalysis VOCs processing equipments are to utilize C-band ultraviolet (UV), in catalytic oxidant T iO2Under the action of, it will
Oxygen or ozone generate the stronger negative oxygen ion of oxidisability, then the broken and further redox one kind of emission molecule is special
Processing equipment.Emission molecule first passes through special wave band high energy ultraviolet light wave and is crushed organic molecule, interrupts its strand；Meanwhile it is logical
The oxygen and water decomposed in air is crossed, high-concentrated ozone is obtained, ozone further absorbs energy, forms the higher freedom of oxidation susceptibility
Hydroxyl, oxidation gaseous effluent molecule.A variety of composite inert catalyst are configured according to different exhaust gas constituents simultaneously, are greatly improved at exhaust gas
The speed and efficiency of reason, to reach the equipment purified to exhaust gas.
Traditional photooxidation is catalyzed VOCs processing equipments, between the ultraviolet radiator and catalyst due to providing C-band ultraviolet light
Structure distribution it is unreasonable, cause handle VOCs efficiency it is low；The luminescence spectrum of existing ultraviolet radiator mainly have 253.7nm and
Two kinds of 185nm also emits the ultraviolet light of 185nm wavelength, 185nm length ultraviolets while emitting 253.7nm length ultraviolet lines
Line makes air generate ozone, and the exception of ozone concentration pollutes the environment, and has very major injury to human body；Existing ultraviolet radiator is manufacturing
Liquid amalgam is used in the process, and there are harmful mercury vapour for production process.
Utility model content
Based on this, in view of the above-mentioned problems, the utility model proposes a kind of ozone free UV photodissociation VOCs reactors, it can be effectively
Degrade VOCs, and treatment effeciency is high, and non-secondary pollution.
The technical solution of the utility model is：A kind of ozone free UV photodissociation VOCs reactors, including holder and be set to holder
On multiple UV lamps, be arranged in parallel between multiple UV lamps, catalyst be equipped between two adjacent UV lamps；The UV lamp packet
Include titaniferous quartz glass tube, two lamp caps that titaniferous quartz glass tube both ends are sealed, the lamp in titaniferous quartz glass tube
The outer conductor that silk and one end are connected with filament, the other end of outer conductor is located at across lamp cap outside titaniferous quartz glass tube, described
It is stored with inert gas in titaniferous quartz glass tube.
Ultraviolet radiator, that is, UV lamp uses dual wavelength lamp, can send out the ultraviolet light of 185nm and 253.7nm wavelength, 185nm is ultraviolet
Line can cause to generate ozone, and then generate more negative oxygen ions, and 253.7nm ultraviolet lights can consume ozone, but if dual wavelength
Ultraviolet radiator does not have the ultraviolet light of shielded segment 185nm wavelength, generates excessive ozone, the wave band of 253.7nm is not enough to will be more
Remaining ozone is converted to negative oxygen ion, leads to the exception of ozone, causes secondary pollution；Fluorescent tube uses titaniferous quartz glass tube, can
Shielded segment 185nm length ultraviolet lines, and 253.7nm length ultraviolet lines are unaffected, 253.7nm wave bands have enough abilities complete
The ozone that consumption 185nm wavelength generates is totally disappeared, secondary pollution is avoided.The maskable 185nm length ultraviolets line of quartz glass tube of titaniferous
For the prior art, details are not described herein.
Preferably, the catalyst is reticular structure, and the UV lamp and the catalyst of the reticular structure are mutually parallel.Its
In, catalyst is titanium nickel screen, i.e., using nickel screen as the anatase rutile titania photocatalyst of carrier.
Preferably, the spacing between the catalyst of the reticular structure and the UV lamp is 10cm.
Between catalyst is set to UV lamp in the form of reticular structure, and point being rationally arranged between UV lamp and reticular structure
Cloth structure maximumlly promotes catalysis reaction efficiency, promotes the treatment effeciency to VOCs.
Specifically, dual wavelength ultraviolet line lamp (power 150w, fluorescent tube length the are 1900mm) spoke in the distance of 1m distances
It penetrates intensity and is more than or equal to 275 μ w/cm3.But the purple in different irradiation distances in range of exposures is measured with ultraviolet rays detector
Outside line relative intensity finds that the irradiation relative intensity within the scope of the diameter 10cm centered on light source center is consistent.To shine
The ultraviolet light relative intensity penetrated when distance is 50cm is radix, the formula I derived with inverse square lawx=502×I50/x
The theoretical value of the relative intensity of ultraviolet light when calculating different irradiation distances.X is the bentimeters of a certain irradiation distance, I in above formulax
For x cm irradiation distances when the relatively strong number of degrees of ultraviolet light, I50For 50cm irradiation distances when the relatively strong number of degrees of ultraviolet light.Big
In the case of 10cm, as x constantly increases, intensity of illumination I is smaller.So design ultraviolet radiator and T iO2The interval of-Ni nets
For 10cm.At this point, the efficiency of UV lamp cooperation catalyst treatment VOCs is greatly promoted.
Preferably, the length of the UV lamp is 1900mm.
Preferably, mercury releasing device is equipped in the titaniferous quartz glass tube, mercury releasing device is the amalgam of nanometer film coating.It was producing
Cheng Zhong, mercury releasing device do not discharge mercuryvapour, do not cause the pollution to environment and harmful to human.Mercury releasing device has been manufactured in ultraviolet radiator
Nanometer film coating is abolished using laser knife at rear, so that there are low-pressure mercury-vapors in titaniferous quartz glass tube.
The utility model has the beneficial effects that：
(1) ozone free UV photodissociation VOCs reactors provided by the utility model, can effectively degrade VOCs, treatment effeciency
Height, and non-secondary pollution.
(2) catalyst is set in the form of reticular structure between UV lamp, and be rationally arranged between UV lamp and reticular structure
Distributed architecture, maximumlly promote catalysis reaction efficiency, promoted to the treatment effeciency of VOCs.
(3) mercury releasing device is equipped in titaniferous quartz glass tube, mercury releasing device is the amalgam of nanometer film coating, in process of production,
Mercury releasing device does not discharge mercuryvapour, does not cause the pollution to environment and harmful to human.
Description of the drawings
Fig. 1 is the structural schematic diagram of ozone free UV photodissociation VOCs reactors described in embodiment；
Fig. 2 is the structural schematic diagram of UV lamp；
Reference sign：
10 holders, 20UV lamps, 21 titaniferous quartz glass tubes, 22 lamp caps, 23 filaments, 24 outer conductors, 30 catalyst.
Specific implementation mode
The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.
Embodiment
As illustrated in fig. 1 and 2, a kind of ozone free UV photodissociation VOCs reactors, including holder 10 and more on holder 10
A UV lamp 20 is arranged in parallel between multiple UV lamps 20, and catalyst 30 is equipped between two adjacent UV lamps 20；The UV lamp
20 include titaniferous quartz glass tube 21, two lamp caps 22 that 21 both ends of titaniferous quartz glass tube are sealed, set on titaniferous quartz glass
The other end of the outer conductor 24 that filament 23 and one end in glass pipe 21 are connected with filament 23, outer conductor 24 is located at across lamp cap 22
Outside titaniferous quartz glass tube 21, inert gas is stored in the titaniferous quartz glass tube 21.
Ultraviolet radiator, that is, UV lamp 20 uses dual wavelength lamp, can send out the ultraviolet light of 185nm and 253.7nm wavelength, and 185nm is purple
Outside line can cause to generate ozone, and then generate more negative oxygen ions, and 253.7nm ultraviolet lights can consume ozone, but if dual wavelength
Ultraviolet radiator there is no the ultraviolet light of shielded segment 185nm wavelength, generate excessive ozone, the wave band of 253.7nm be not enough to by
Extra ozone is converted to negative oxygen ion, leads to the exception of ozone, causes secondary pollution；Fluorescent tube uses titaniferous quartz glass tube
21, maskable part 185nm length ultraviolet lines, and 253.7nm length ultraviolet lines are unaffected, 253.7nm wave bands have enough
Ability completely consumes the ozone of 185nm wavelength generation, avoids secondary pollution.The maskable 185nm wavelength of quartz glass tube of titaniferous
Ultraviolet light is the prior art, and details are not described herein.
In another embodiment, the catalyst 30 is reticular structure, the catalysis of the UV lamp 20 and the reticular structure
Agent 30 is mutually parallel.Wherein, catalyst 30 is titanium nickel screen, i.e., using nickel screen as the anatase rutile titania photocatalyst of carrier.
In another embodiment, the spacing between the catalyst 30 and the UV lamp 20 of the reticular structure is 10cm.
Between catalyst 30 is set to UV lamp 20 in the form of reticular structure, and rationally setting UV lamp 20 and reticular structure it
Between distributed architecture, maximumlly promote catalysis reaction efficiency, promoted to the treatment effeciency of VOCs.
Radiation intensity is big in the distance of 1m distances for dual wavelength ultraviolet line lamp (power 150w, fluorescent tube length are 1900mm)
In equal to 275 μ w/cm3.But the ultraviolet light measured with ultraviolet rays detector in different irradiation distances in range of exposures is opposite
Intensity finds that the irradiation relative intensity within the scope of the diameter 10cm centered on light source center is consistent.It is with irradiation distance
Ultraviolet light relative intensity when 50cm is radix, the formula I derived with inverse square lawx=502×I50/ x is calculated not
With the theoretical value of the relative intensity of ultraviolet light when irradiation distance.X is the bentimeters of a certain irradiation distance, I in above formulaxIt is shone for x cm
Penetrate apart from when the relatively strong number of degrees of ultraviolet light, I50For 50cm irradiation distances when the relatively strong number of degrees of ultraviolet light.More than 10cm's
In the case of, as x constantly increases, intensity of illumination I is smaller.So design ultraviolet radiator and T iO2It is divided into 10cm between-Ni nets.
At this point, the efficiency that UV lamp 20 coordinates catalyst 30 to handle VOCs is greatly promoted.
In another embodiment, the length of the UV lamp 20 is 1900mm.
In another embodiment, mercury releasing device is equipped in the titaniferous quartz glass tube 21, mercury releasing device is nanometer film coating
Amalgam.In process of production, mercury releasing device does not discharge mercuryvapour, does not cause the pollution to environment and harmful to human.Mercury releasing device exists
Nanometer film coating is abolished using laser knife after the completion of ultraviolet radiator manufacture, so that there are low-pressure mercury-vapors in titaniferous quartz glass tube.
Specific embodiment of the present utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (5)
1. a kind of ozone free UV photodissociation VOCs reactors, it is characterised in that：Multiple UV lamps including holder and on holder, institute
It is arranged in parallel between the multiple UV lamps stated, catalyst is equipped between two adjacent UV lamps；The UV lamp includes titaniferous quartz glass
Pipe, two lamp caps, the filament in titaniferous quartz glass tube and one end that titaniferous quartz glass tube both ends are sealed and lamp
The connected outer conductor of silk, the other end of outer conductor are located at across lamp cap outside titaniferous quartz glass tube, the titaniferous quartz glass tube
Inside it is stored with inert gas.
2. ozone free UV photodissociation VOCs reactors according to claim 1, it is characterised in that：The catalyst is netted knot
Structure, the UV lamp and the catalyst of the reticular structure are mutually parallel.
3. ozone free UV photodissociation VOCs reactors according to claim 2, it is characterised in that：The catalysis of the reticular structure
Spacing between agent and the UV lamp is 10cm.
4. according to claim 1-3 any one of them ozone free UV photodissociation VOCs reactors, it is characterised in that：The UV lamp
Length is 1900mm.
5. ozone free UV photodissociation VOCs reactors according to claim 1, it is characterised in that：The titaniferous quartz glass tube
Interior to be equipped with mercury releasing device, mercury releasing device is the amalgam of nanometer film coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721584649.8U CN207614646U (en) | 2017-11-23 | 2017-11-23 | A kind of ozone free UV photodissociation VOCs reactors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721584649.8U CN207614646U (en) | 2017-11-23 | 2017-11-23 | A kind of ozone free UV photodissociation VOCs reactors |
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| Publication Number | Publication Date |
|---|---|
| CN207614646U true CN207614646U (en) | 2018-07-17 |
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|---|---|---|---|
| CN201721584649.8U Active CN207614646U (en) | 2017-11-23 | 2017-11-23 | A kind of ozone free UV photodissociation VOCs reactors |
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2017
- 2017-11-23 CN CN201721584649.8U patent/CN207614646U/en active Active
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