CN211328927U - Deodorization device for titanium dioxide nano array loaded functional fibers - Google Patents

Abstract

The utility model relates to a waste gas treatment technical field, specifically speaking relates to a fibrous deodorizing device of titanium dioxide nanometer array load function, including the reaction storehouse, the inside level in reaction storehouse is provided with a plurality of parallel reaction units of each other, and the one end in reaction storehouse is connected with the reposition of redundant personnel storehouse, and the one end that the reaction storehouse was kept away from in the reposition of redundant personnel storehouse is connected with the inlet end, and the one end that the reposition of redundant personnel storehouse was kept away from in the reaction storehouse is connected with the end of giving vent to anger, and the end that the reaction storehouse was kept away from to the end of giving. The utility model discloses a design reduces the velocity of flow of meeting through increasing the windward area to make the clarifier have lower resistance, make the pollutant obtain relatively long detention time, increase the light absorption volume, reduced the diffusion distance of pollutant to the catalyst surface, thereby reduced quality transmission resistance, avoided the shortcoming of a large amount of pollutants of tubular reactor from which to pass through, and improved the device's rate of utilization and treatment effect.

Description

Deodorization device for titanium dioxide nano array loaded functional fibers

Technical Field

The utility model relates to a waste gas treatment technical field, specifically speaking relates to a fibrous deodorizing device of titanium dioxide nanometer array load function.

Background

The waste incineration generates a large amount of toxic and harmful organic pollutants such as dioxin, hexachlorobenzene and the like. Small amount of volatile organic pollutants (VOC) and Persistent Organic Pollutants (POP) generate peculiar smell, cause discomfort of human body and generate obvious harm to health, and the existing gas treatment technology is difficult to absorb and degrade gas with peculiar smell in tail gas.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fibrous deodorizing device of titanium dioxide nanometer array load function to solve the problem that proposes in the above-mentioned background art.

In order to achieve the purpose, the utility model provides a deodorization device for titanium dioxide nano array load function fibers, which comprises a reaction bin, wherein a plurality of reaction units which are parallel to each other are horizontally arranged in the reaction bin, one end of the reaction bin is connected with a shunting bin, one end of the shunting bin, which is far away from the reaction bin, is connected with an air inlet end, one end of the reaction bin, which is far away from the shunting bin, is connected with an air outlet end, one end of the air outlet end, which is far away from the reaction bin, is connected with an induced duct, and a flow equalizer is arranged in the shunting bin; one end of the reaction bin, which is close to the flow distribution bin, is tightly bonded with a sealing cover, the surface of the sealing cover is provided with a plurality of openings, the reaction unit comprises a pipe network in a cylindrical structure, one end of the pipe network is provided with an opening, the other end of the pipe network is tightly bonded with a sealing plate, the opening end of the pipe network penetrates through the openings to be communicated with the flow distribution bin, a UV lamp is coaxially arranged inside the pipe network, and the inner wall of the pipe network is tightly bonded with a photocatalyst unit; the photocatalyst unit includes fibre cloth, the surface of fibre cloth closely bonds and has titanium dioxide array nanometer film, the inlet end includes infundibulate accelerating tube, the less one end opening part of infundibulate accelerating tube diameter is connected with the air-supply line, the inside of air-supply line is provided with a plurality of tripe formula blades, the both ends of tripe formula blade are connected with the pivot, the outer end of pivot is connected with the outer wall rotation of air-supply line.

Preferably, the reaction bin is a cylindrical structure with two open ends.

Preferably, the middle part of the induced draft pipe is provided with an induced draft fan.

Preferably, the flow equalizer is a rectangular plate-shaped structure with a plurality of vent holes formed on the surface, and the vent holes are in a honeycomb structure arranged in a matrix manner.

Preferably, the outer wall of the pipe network is of a hollow structure.

Preferably, the air outlet end is of a funnel-shaped structure, and the end with the smaller diameter is connected with the induced draft pipe.

Preferably, the UV lamp is of a tubular structure, and one end of the UV lamp is fixedly arranged at the center of the sealing plate.

Compared with the prior art, the beneficial effects of the utility model are that:

this fibrous deodorizing device of titanium dioxide nanometer array load function reduces the head-on velocity of flow through increasing the windward area, thereby make the clarifier have lower resistance, make the pollutant obtain relatively long detention time, increase the light absorption volume, the diffusion distance of pollutant to catalyst surface has been reduced, thereby the mass transfer resistance has been reduced, the shortcoming of passing through of a large amount of pollutants of tubular reactor has been avoided, and waste gas can each reaction unit that evenly distributed got into purifier, the rate of utilization and the treatment effect of the device have been improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a reaction chamber of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the reaction unit of the present invention;

FIG. 4 is a schematic diagram of the internal structure of the photocatalyst unit according to the present invention;

fig. 5 is a schematic structural view of the air inlet end of the present invention.

In the figure: 1. a reaction bin; 11. a sealing cover; 111. opening a hole; 2. a reaction unit; 21. pipe network; 22. a photocatalyst unit; 221. fiber cloth; 222. titanium dioxide array nano-film; 23. a UV lamp; 24. a sealing plate; 3. a flow distribution bin; 31. A current equalizer; 4. an air inlet end; 41. a funnel acceleration tube; 42. an air inlet pipe; 43. a louvered blade; 431. a rotating shaft; 5. An air outlet end; 6. an induced draft pipe; 61. an induced draft fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

The utility model provides a fibrous deodorizing device of titanium dioxide nanometer array load function, as shown in fig. 1-5, including reaction bin 1, be used for carrying out catalytic reaction, the inside level of reaction bin 1 is provided with a plurality of parallel reaction unit 2 of each other, be used for waste gas to catalyze through the photocatalyst, the one end of reaction bin 1 is connected with reposition of redundant personnel storehouse 3, guarantee that the air current is even stable when getting into reaction bin 1, the one end that reposition of redundant personnel storehouse 3 was kept away from reaction bin 1 is connected with inlet end 4, be convenient for admit air, the one end that reaction bin 1 was kept away from reposition of redundant personnel storehouse 3 is connected with end 5 of giving vent to anger, the one end that end 5 of giving vent to anger kept away from reaction bin 1 is connected with induced duct 6, be convenient for discharge tail gas, reposition of redundant personnel storehouse 3.

In this embodiment, reaction chamber 1 is close to the one end of reposition of redundant personnel storehouse 3 and closely bonds and has sealed lid 11, a plurality of trompils 111 have been seted up on the surface of sealed lid 11, reaction unit 2 is including the pipe network 21 that is cylindric structure, the one end of pipe network 21 is the opening setting, the other end closely bonds and has closing plate 24, the open end of pipe network 21 passes trompil 111 and is linked together with reposition of redundant personnel storehouse 3, the inside coaxial UV lamp 23 that is provided with of pipe network 21, be used for shining waste gas, the inner wall of pipe network 21 closely bonds photocatalyst unit 22, be used for catalytic waste gas.

In this embodiment, the photocatalyst unit 22 includes a fiber cloth 221, the fiber cloth 221 is a micron-sized fiber cloth, and is composed of a plurality of fiber filaments with diameters of several microns, a titanium dioxide array nano-film 222 is tightly adhered to the surface of the fiber cloth 221, the highly-absorbent fiber carrier fiber cloth 221 firmly supports the high-efficiency titanium dioxide array nano-film 222, the air inlet 4 includes a funnel-shaped accelerating tube 41, the cross-sectional area of the air inlet 4 is changed to gradually decrease the cross-sectional area, so as to increase the flow rate, an air inlet tube 42 is connected to an opening at one end with a smaller diameter of the funnel-shaped accelerating tube 41, a plurality of louvered blades 43 are arranged inside the air inlet tube 42, two ends of the louvered blades 43 are connected with a rotating shaft 431, the outer end of the rotating shaft 431 is rotatably connected with the outer wall of the air inlet tube 42, the louvered blades 43 can be, avoiding the entry of dust.

Specifically, the power of the UV lamp 23 is 15-30W, and its dominant wavelength is 254nm, which can provide uniform light intensity to the surface of the pipe network 21, and the UV light (i.e. ultraviolet light) can be effectively irradiated to the catalyst surface.

In addition, the reaction chamber 1 is a cylindrical structure with two open ends, which is convenient for air flow to pass through.

Furthermore, the middle part of the induced draft pipe 6 is provided with an induced draft fan 61, so that the exhaust speed of the tail gas is further improved.

The further flow equalizer 31 is a rectangular plate structure with a plurality of air vents arranged on the surface, and the air vents are of a honeycomb structure arranged in a matrix form, so that air flow can uniformly pass through the air flow, and stable deodorization and sterilization of the air flow are ensured.

Further, the outer wall of the pipe network 21 is a hollow structure, so that gas is conveniently discharged to the outside of the reaction unit 2 after passing through the photocatalyst.

Further, the end 5 of giving vent to anger is the infundibulate structure, and the less one end of diameter is connected with induced duct 6 for the sectional area of giving vent to anger reduces gradually, and then increases air current exhaust speed, the emission of the tail gas of being convenient for.

Further, the UV lamp 23 is a tubular structure, and one end of the UV lamp 23 is fixedly installed at the center of the sealing plate 24, so as to ensure the fixation of the UV lamp 23.

It is worth noting that the device takes fiber filaments (including polymer fibers such as chemical fibers and the like, and inorganic fibers such as glass fibers, carbon fibers and the like) with the diameter of several micrometers as carriers, and the adsorption performance of the device on specific VOC is greatly improved through a physical and chemical technology so as to capture trace VOC in the enriched tail gas; the technology for producing the titanium dioxide nano array film in a large scale under the low-temperature open environment without a template method is developed, and the high-efficiency photocatalytic film is firmly supported on the high-adsorption fiber carrier; the functional fiber loaded with the ordered nano-array titanium dioxide film is used as a photocatalyst to develop a high-efficiency photocatalyst air purification device suitable for removing trace VOC; this equipment mainly is applicable to waste incineration factory, chemical plant, pharmaceutical factory, sewage treatment plant, refuse treatment station, food factory etc. and produces the enterprise of waste odorous gas and carry out the deodorization and purify, can handle waste gas composition: hydrocarbons, benzene and benzene series, alcohols, aldehydes, phenols, ketones, esters, amines, nitriles, cyanides, and amines.

The photocatalytic oxidation is catalytic under the action of external visible light, and takes semiconductors and air as catalysts and light as energy to degrade organic matters into CO2, H2O and other nontoxic and harmless components. The company utilizes artificial ultraviolet light waves as energy sources, and can achieve a more ideal purification effect after the waste odorous gas is treated by matching with a nano TiO2 catalyst which has the strongest activity and the highest reaction efficiency after the special treatment of the company; in the photocatalytic oxidation reaction of a semiconductor, ultraviolet light irradiates on a nano TiO2 catalyst, the nano TiO2 catalyst absorbs light energy to generate electron leap and hole leap, an electron-hole pair is generated through further combination, and the electron-hole pair reacts with moisture (H2O) and oxygen (O2) adsorbed on the surface of waste gas to generate hydroxyl free radicals (OH-) and superoxide ion free radicals (O2-, 0-) with very active oxidation waves. The method can reduce various organic waste gases such as aldehydes, benzenes, ammonias, nitric oxides, sulfides, other VOC organic matters and inorganic matters into carbon dioxide (CO2), water (H2O) and other nontoxic and harmless substances under the action of photocatalytic oxidation, the molecules of the purified waste gases are activated and degraded, odor disappears simultaneously, the effect of deodorizing the waste gases is achieved, meanwhile, bacteria and viruses breeding in the pipelines can be effectively removed, no additive exists in the process of photocatalytic oxidation reaction, secondary pollution can not be generated, only electric energy is used in the aspect of operating cost, the fiber filter bags are cleaned or replaced regularly, and the method is quite energy-saving and environment-friendly for the use of enterprises.

In addition, the photocatalysis has the following characteristics:

1. the photocatalytic oxidation is suitable for completely oxidizing and purifying toxic and harmful odor components such as waste gas, odor and the like into nontoxic and harmless low molecular components at normal temperature, and is suitable for treating toxic and harmful gases with high concentration (the concentration can be uniformly passed by a pretreatment mode), large gas amount (equipment can be treated in a combined mode) and strong molecular structure stability;

2. effective purification is thorough: organic waste gas in the air can be directly and completely oxidized into nontoxic and harmless substances through photocatalytic oxidation, and no secondary pollution is left;

3. high-efficiency and energy-saving: the photocatalytic oxidation utilizes vacuum wave ultraviolet light generated by an artificial ultraviolet lamp tube as energy to activate a photocatalyst to drive oxidation-reduction reaction, the photocatalyst is not consumed in the reaction process, and water and oxygen in the surface of waste gas odor are utilized as oxidants to effectively degrade toxic organic waste gas to become the biggest characteristic of high-efficiency purification of photocatalysis and energy conservation;

4. strong oxidizability: the semiconductor photocatalysis has the characteristic of strong oxidizability, can effectively decompose certain organic matters which are difficult to oxidize by ozone, such as trichloromethane, carbon tetrachloride and hexachlorobenzene, and finally reduce the organic matters into carbon dioxide (CO2), water (H2O) and other nontoxic and harmless substances, so the semiconductor photocatalysis has special significance for the organic matters which are difficult to degrade, and the effective oxidants of the photocatalysis are hydroxyl free radicals (OH-) and superoxide ion free radicals (O2-O-), and the oxidizability of the photocatalysis is higher than that of common ozone, hydrogen peroxide, potassium permanganate, hypochlorous acid and the like;

5. broad spectrum property: the photocatalytic oxidation is effective on various organic matters from hydrocarbon to carboxylic acid, even atomic organic matters such as halogenated hydrocarbon, dye, nitrogen-containing organic matters and organophosphorus insecticide are well removed, complete oxidation can be achieved as long as a certain reaction time and a certain reaction environment proportion are achieved, and the oxidation object of the hydroxyl radical has almost no selectivity and can react with any existing substance;

6. the service life is long: theoretically, the catalyst does not directly participate in oxidation reduction in the photocatalytic oxidation reaction, so that the loss is avoided, the service life is infinitely long, and the catalyst does not need to be replaced;

7. easy large-scale preparation: the main reactants are titanium metal and hydrogen peroxide, the reaction condition is mild, and the process is green and environment-friendly; controllable preparation of various nano-form films such as nano wires, nano rods, nano flowers, nano trees and the like is realized; the equipment is simple and is easy for large-scale preparation.

When the deodorizing device of the titanium dioxide nano array loaded functional fiber is used, firstly, waste gas enters from the air inlet pipe 42, the waste gas is accelerated through the air inlet end 4, the gas is divided through the flow dividing bin 3 and uniformly enters each reaction unit 2, after entering the reaction units 2, the waste gas axially passes through an opening at one end of the pipe network 21 and then radially passes through the photocatalyst units 22 and sequentially passes through gaps between the fiber cloth 221 and the titanium dioxide array nano film 222, so that the diffusion distance of pollutants from a bulk phase to the surface of a catalyst is reduced, the mass transfer resistance is reduced, the defect of bypass of a large number of pollutants in a tubular reactor is avoided, under the irradiation of the UV lamp 23, the waste gas contacting the titanium dioxide array nano film 222 is degraded into CO2, H2O and other nontoxic and harmless components, the structure of the reaction unit 2 can reduce the head-on flow rate by increasing the wind area, therefore, the device has lower resistance, pollutants can obtain relatively long detention time, the treated waste gas passes through the reaction bin 1 and is discharged into the induced draft tube 6 from the air outlet end 5 at one end, the waste gas is discharged to the outside through the induced draft fan 61, the resistance of the purifier is less than 100Pa when the air flow rate is lower than 2m/s through experimental determination, the influence on the whole system can be ignored, and an additional driving device or the power of the fan is not required to be increased during application.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a titanium dioxide nanometer array load functional fiber's deodorizing device, includes reaction storehouse (1), its characterized in that: a plurality of reaction units (2) which are parallel to each other are horizontally arranged inside the reaction bin (1), one end of the reaction bin (1) is connected with a shunt bin (3), one end, far away from the reaction bin (1), of the shunt bin (3) is connected with an air inlet end (4), one end, far away from the shunt bin (3), of the reaction bin (1) is connected with an air outlet end (5), one end, far away from the reaction bin (1), of the air outlet end (5) is connected with an air guide pipe (6), and a flow equalizer (31) is arranged inside the shunt bin (3); one end, close to the shunt bin (3), of the reaction bin (1) is tightly bonded with a sealing cover (11), a plurality of holes (111) are formed in the surface of the sealing cover (11), each reaction unit (2) comprises a pipe network (21) in a cylindrical structure, one end of each pipe network (21) is provided with an opening, a sealing plate (24) is tightly bonded to the other end of each pipe network (21), the opening end of each pipe network (21) penetrates through the corresponding hole (111) to be communicated with the shunt bin (3), a UV lamp (23) is coaxially arranged inside each pipe network (21), and a photocatalyst unit (22) is tightly bonded to the inner wall of each pipe network (21); photocatalyst unit (22) are including fibre cloth (221), the surface of fibre cloth (221) closely bonds and has titanium dioxide array nanometer film (222), inlet end (4) are including infundibulate accelerating tube (41), the less one end opening part of infundibulate accelerating tube (41) diameter is connected with air-supply line (42), the inside of air-supply line (42) is provided with a plurality of tripe formula blades (43), the both ends of tripe formula blade (43) are connected with pivot (431), the outer end of pivot (431) is connected with the outer wall rotation of air-supply line (42).

2. The deodorization apparatus using titanium dioxide nanoarray loaded with functional fiber as claimed in claim 1, wherein: the reaction bin (1) is of a cylindrical structure with two open ends.

3. The deodorization apparatus using titanium dioxide nanoarray loaded with functional fiber as claimed in claim 1, wherein: and an induced draft fan (61) is arranged in the middle of the induced draft pipe (6).

4. The deodorization apparatus using titanium dioxide nanoarray loaded with functional fiber as claimed in claim 1, wherein: the flow equalizer (31) is of a rectangular plate-shaped structure, the surface of the flow equalizer is provided with a plurality of vent holes, and the vent holes are of a honeycomb structure arranged in a matrix manner.

5. The deodorization apparatus using titanium dioxide nanoarray loaded with functional fiber as claimed in claim 1, wherein: the outer wall of the pipe network (21) is of a hollow structure.

6. The deodorization apparatus using titanium dioxide nanoarray loaded with functional fiber as claimed in claim 1, wherein: the air outlet end (5) is of a funnel-shaped structure, and the end with the smaller diameter is connected with the induced draft pipe (6).

7. The deodorization apparatus using titanium dioxide nanoarray loaded with functional fiber as claimed in claim 1, wherein: the UV lamp (23) is of a tubular structure, and one end of the UV lamp is fixedly arranged at the circle center of the sealing plate (24).

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