CN207708801U

CN207708801U - A kind of low-temperature plasma UV photocatalyst all-in-one machines

Info

Publication number: CN207708801U
Application number: CN201721754599.3U
Authority: CN
Inventors: 肖锋
Original assignee: Shandong Runneng Environmental Protection Technology Co Ltd
Current assignee: Shandong Runneng Environmental Protection Technology Co Ltd
Priority date: 2017-12-15
Filing date: 2017-12-15
Publication date: 2018-08-10
Anticipated expiration: 2027-12-15

Abstract

The utility model belongs to waste gas treatment equipment field more particularly to a kind of low-temperature plasma UV photocatalyst all-in-one machines.Including shell, shell both ends are respectively arranged with air inlet and gas outlet, and shell is interior to be disposed with equal wind net, honeycomb electric field room, filter screen, photocatalysis room, anechoic room, ozone removal room by air inlet to gas outlet direction；Compared with traditional organic waste gas treatment method, plasma UV photodissociation technical equipment floor spaces are small, and installation is simple；One-time investment, fund are moderate；Equipment power dissipation is low, and operating cost is extremely low；Treated, and final product is carbon dioxide and water, non-secondary pollution.

Description

A kind of low-temperature plasma UV photocatalyst all-in-one machines

Technical field

The utility model belongs to waste gas treatment equipment field more particularly to a kind of low-temperature plasma UV photocatalyst all-in-one machines.

Background technology

Low-temperature plasma UV photodissociation technologies are a kind of technology of comparative maturity of existing VOCs treatment, low-temperature plasma UV photodissociation all-in-one machines are to combine plasma and UV photodissociation, and plasma apparatus is arranged in the leading portion of photodissociation equipment, etc. After the O3 that ion unit generates is mixed with organic exhaust gas, quartz burner is flowed through.Quartz burner can further trigger O3 and The generation of living radical, under the catalytic action of fluorescent tube 254nm ultraviolet lights, with organic exhaust gas oxidation occurs for the free radicals such as O3 instead It answers, to achieve the purpose that pollutant is decomposed removal.Compared with traditional organic waste gas treatment method, plasma UV photodissociation Technical equipment floor space is small, and installation is simple；One-time investment, fund are moderate；Equipment power dissipation is low, and operating cost is extremely low；Processing Final product afterwards is carbon dioxide and water, non-secondary pollution.

But Conventional cryogenic plasma uses vane type electric field, and supply voltage ramp-up rate is slower, and it is organic to reduce processing The efficiency of exhaust gas；Fluorescent tube used in UV photodissociation and aluminium base photocatalyst net are conventional class, are not innovated.

Utility model content

The utility model is directed to above-mentioned problem, proposes a kind of low-temperature plasma UV photocatalyst all-in-one machines.

In order to achieve the above object, the technical solution adopted in the utility model is a kind of low temperature of the utility model offer etc. Ion UV photocatalyst all-in-one machines, including shell, it is characterised in that：The shell both ends are respectively arranged with air inlet and gas outlet, Equal wind net, honeycomb electric field room, filter screen, photocatalysis are disposed with by the air inlet to gas outlet direction in the shell Room, anechoic room, ozone remove room；Electric field honeycomb is provided in the honeycomb electric field room, the electric field honeycomb includes anode canister, institute State the cathode needle for being provided with and being fixed on the cathode punch block of anode canister both ends in anode canister, four edge settings of the cathode punch block There is insulator；The filter screen includes that activated charcoal strainer and PM2.5 particle filtering nets is arranged side by side；It is set in the photocatalysis room It is equipped with the aluminium base photocatalyst net that section is W fonts, aluminium base photocatalyst net side, which is provided with, to be vertically arranged in photocatalysis room UV lamp pipe；It is provided with silencer in the anechoic room.

Preferably, the electric field honeycomb is made of 95 anode canisters, the anode canister is caliber 52mm, length 385mm Stainless pipe.

Preferably, being provided with side enabling on the shell at filter screen, the filter screen is slidably disposed in shell It is interior.

Preferably, the aluminium base photocatalyst net is coated with nano-TiO₂Coating, the aluminium base photocatalyst net are cellular.

Preferably, the UV lamp pipe selects 150W, 810mmU type quartz materials, the UV lamp pipe surface to be coated with TiO₂。

Preferably, the UV lamp bottom of the tube is provided with fixed tray.

Preferably, the silencer is and gas outlet anechoic sheet disposed in parallel.

Preferably, ozone removal interior is provided with ozonolysis equipment.

Compared with prior art, it is with good effect the advantages of the utility model：

1, the uniform discharge off plane low spot of the utility model discharging structure, it is small, can will also have in the case of wind pressure is larger Machine exhaust gas is fully handled；UV lamp coats TiO₂Ozone can be generated simultaneously in release ultraviolet light, compared with traditional straight tube structure, saved Duct cross-section space makes treatment effect maximumization.

2, aluminium base net uses honeycomb structure, saves duct cross-section space；Photocatalyst net is positioned over electric field rear, can be right Ultra-violet oxidation generates catalytic action, can also be provided for plasma oxidation in electric field and be catalyzed help, effectively improve complete equipment Purification efficiency.

3, setting noise elimination structure reduces reaction noise；Ozone removal device is set, ensures low-temperature plasma UV photodissociation one Machine will not bring new environmental pollution because ozone is generated.

4, compared with traditional organic waste gas treatment method, plasma UV photodissociation technical equipment floor spaces are small, installation Simply；One-time investment, fund are moderate；Equipment power dissipation is low, and operating cost is extremely low；Treated final product be carbon dioxide and Water, non-secondary pollution.

Description of the drawings

It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, For those of ordinary skill in the art, without having to pay creative labor, it can also obtain according to these attached drawings Obtain other attached drawings.

Fig. 1 is a kind of low-temperature plasma UV photocatalysts all-in-one machine overall structure diagram that embodiment 1 provides；

Fig. 2 is a kind of low-temperature plasma UV photocatalysts all-in-one machine internal structure schematic diagram that embodiment 1 provides；

Fig. 3 is a kind of low-temperature plasma UV photocatalysts all-in-one machine other direction internal structure schematic diagram that embodiment 1 provides；

Fig. 4 is a kind of low-temperature plasma UV photocatalysts all-in-one machine electric field honeycomb schematic diagram that embodiment 1 provides；

In above each figure, 1, shell；2, air inlet；3, gas outlet；4, equal wind net；5, honeycomb electric field room；51, anode canister； 52, support plate；53, cathode punch block；54, cathode needle；55, insulator；6, filter screen；61, activated charcoal strainer；62, PM2.5 Grain filter screen；63, framework；64, side is opened the door；7, photocatalysis room；71, aluminium base photocatalyst net；72, UV lamp pipe；73, fixed tray； 8, anechoic room；81, anechoic sheet；9, ozone removes room；91, ozonolysis equipment.

Specific implementation mode

It is below in conjunction with the accompanying drawings and real in order to be more clearly understood that the above objects, features, and advantages of the utility model Example is applied to be described further the utility model.It should be noted that in the absence of conflict, embodiments herein and reality The feature applied in example can be combined with each other.

Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality Novel to implement using different from other modes described here, therefore, the utility model is not limited to be described below The limitation of the specific embodiment of specification.

Embodiment 1, as shown in Figure 1 to Figure 3, the utility model provide a kind of low-temperature plasma UV photocatalyst all-in-one machines, Including shell 1, it is respectively arranged with air inlet 2 and gas outlet 3 at the both ends of shell 1, in the inside of shell 1 from air inlet 2 to going out The direction last time of gas port 3 goes provided with equal wind net 4, honeycomb electric field room 5, filter screen 6, photocatalysis room 7, anechoic room 8 and ozone Except room 9, it can be seen that, electric field honeycomb is provided in honeycomb electric field room 5, electric field honeycomb is existed by 95 anode canisters 51 from figure 4 Formed in support plate 52 it is cellular, anode canister 51 be caliber 52mm, the stainless steel tube of length 385mm；In each anode canister 51 Inside be both provided with the cathode needle 54 being fixed on 51 both ends cathode punch block 53 of anode canister, in four corners of cathode punch block 53 Place is provided with insulator 55；Rear along gas treatment direction honeycomb electric field room 5 is filter screen 6, and filter screen 6 is arranged side by side Activated charcoal strainer 61 and PM2.5 particle filterings net 62；Filter screen 6 is arranged in framework 63, and framework 63 is slidably arranged Between honeycomb electric field room 5 and filter screen 6, and as shown in Figure 1, side enabling is provided at the position of 1 upper frame body 63 of shell 64, it can be taken out conveniently framework 63, replace filter screen 6；Then gas enters photocatalysis room 7, and contacting section first is perpendicular for W fonts The aluminium base photocatalyst net 71 being directly arranged, aluminium base photocatalyst net 71 are coated with nano-TiO₂Coating, and be designed as it is cellular, in this way Design can make gas maximum area contact aluminium base photocatalyst net 71, be then vertically arranged in 71 side of aluminium base photocatalyst net It under UV lamp pipe 72 irradiates, reacts, UV lamp pipe selects 150W, 810mmU type quartz materials, and is also applied on 72 surface of UV lamp pipe Cover TiO₂Coating so that UV lamp light can further trigger O₃With the generation of living radical, in urging for fluorescent tube 254nm ultraviolet lights Under change effect, O₃With organic exhaust gas oxidation reaction occurs for equal free radicals, to achieve the purpose that pollutant is decomposed removal, institute It is to save duct cross-section space because compared with traditional straight tube structure, make treatment effect maximumization to design vertically, certainly, In order to ensure the stability of UV lamp pipe 72, fixed tray 73 is both provided in 72 bottom of UV lamp pipe.Treated gas passes through Room 9 is removed into ozone with after 81 noise reduction of anechoic sheet disposed in parallel of gas outlet in anechoic room 8, it will by ozonolysis equipment 91 After extra ozone removal, excluded through gas outlet 3.

Its concrete operating principle is：Organic exhaust gas enters the utility model by air inlet 2, via equal wind net 4 by gas Dispersion, into honeycomb electric field room 5, when reaching the discharge voltage of gas to electric field honeycomb applied voltage, plasma can fiercely bombard The contaminant molecules such as exhaust gas and stink generate high concentration, high intensity, the high energy electron of high-energy, energetic ion and O₃、·OH、 H₂O₂Equal free radicals and the extremely strong substance of oxidisability, carry out a series of redox reactions.Subsequently into before photocatalysis room 7 by mistake Strainer 6 absorbs and filter macromolecular particle, after organic gas molecule enters photocatalysis room 7, under the irradiation of UV lamp pipe 72, By by aluminium and nanoscale TiO₂The aluminium base photocatalyst net 71 being combined absorbs the generation that can be stimulated after the ultraviolet light of certain wavelength Electron-hole pair, valence band hole are good oxidants, and conduction band electron is good reducing agent.Hole generally has with exhaust gas The H of machine molecular surface absorption₂O or OH- reacts to form the OH with strong oxidizing property, electronics then with organic molecule adsorption O₂Reaction generates O₂-.Superoxide ion can further be reacted with water, generate OOH and H₂O₂.In TiO₂The OH of Surface Creation Group reactivity is very high, has the reaction energy of all kinds of chemical bond energys higher than in organic matter, in addition O₂, OOH, H₂O₂Activity The synergistic effect of oxidic species, can quickly and effectively decomposing organic matter.Then enter ozone after 8 noise reduction of anechoic room and remove room 9 remove the ozone generated in reaction through ozonolysis equipment 91, are discharged through gas outlet 3, ensure low-temperature plasma UV photodissociation one Body machine will not bring new environmental pollution because ozone is generated.

The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent The equivalent embodiment of variation is applied to other fields, but every without departing from the content of the technical scheme of the utility model, according to this reality With novel technical spirit to any simple modification, equivalent variations and remodeling made by above example, it is new to still fall within this practicality The protection domain of type technical solution.

Claims

1. a kind of low-temperature plasma UV photocatalyst all-in-one machines, including shell, it is characterised in that：The shell both ends are respectively arranged with Air inlet and gas outlet, in the shell by the air inlet to gas outlet direction be disposed with equal wind net, honeycomb electric field room, Filter screen, photocatalysis room, anechoic room, ozone remove room；Electric field honeycomb, the electric field honeycomb are provided in the honeycomb electric field room Including anode canister, the cathode needle being fixed on the cathode punch block of anode canister both ends, the cathode punch block are provided in the anode canister Four edges are provided with insulator；The filter screen includes that activated charcoal strainer and PM2.5 particle filtering nets is arranged side by side；Institute The aluminium base photocatalyst net for being provided with that section is W fonts in photocatalysis room is stated, aluminium base photocatalyst net side is provided with to be set vertically It sets in the indoor UV lamp pipe of photocatalysis；It is provided with silencer in the anechoic room.

2. a kind of low-temperature plasma UV photocatalyst all-in-one machines according to claim 1, it is characterised in that：The electric field honeycomb by 95 anode canister compositions, the anode canister are caliber 52mm, the stainless pipe of length 385mm.

3. a kind of low-temperature plasma UV photocatalyst all-in-one machines according to claim 1, it is characterised in that：It is filtered on the shell Side enabling is provided at net, the filter screen is slidably disposed in shell.

4. a kind of low-temperature plasma UV photocatalyst all-in-one machines according to claim 1, it is characterised in that：The aluminium base photocatalyst Net is coated with nano-TiO₂Coating, the aluminium base photocatalyst net are cellular.

5. a kind of low-temperature plasma UV photocatalyst all-in-one machines according to claim 1, it is characterised in that：The UV lamp pipe is selected 150W, 810mmU type quartz material, the UV lamp pipe surface are coated with TiO₂。

6. a kind of low-temperature plasma UV photocatalyst all-in-one machines according to claim 1, it is characterised in that：The UV lamp bottom of the tube It is provided with fixed tray.

7. a kind of low-temperature plasma UV photocatalyst all-in-one machines according to claim 1, it is characterised in that：The silencer be with The gas outlet anechoic sheet disposed in parallel.

8. a kind of low-temperature plasma UV photocatalyst all-in-one machines according to claim 1, it is characterised in that：The ozone removes room Inside it is provided with ozonolysis equipment.