CN214780896U

CN214780896U - Ultraviolet leaded light photocatalysis sewage treatment plant

Info

Publication number: CN214780896U
Application number: CN202121108726.9U
Authority: CN
Inventors: 王元樟; 孔令磊; 蔡国琛
Original assignee: Xiamen University of Technology
Current assignee: Xiamen University of Technology
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-11-19
Anticipated expiration: 2031-05-24

Abstract

The utility model provides an ultraviolet leaded light photocatalysis sewage treatment plant, including the shell body and set up photocatalytic assembly in the shell body, the shell body has water inlet, delivery port and the cavity that disinfects that communicates water inlet and delivery port, photocatalytic assembly is equipped with two groups, and two groups photocatalytic assembly sets up relatively, and two groups photocatalytic assembly all have ultraviolet LED radiation source and correspond ultraviolet LED radiation source and to disinfecting a plurality of leaded light stick that extends in the cavity, the surface of leaded light stick has plated nanometer titanium dioxide grained layer, and the leaded light stick of two groups photocatalytic assembly sets up alternately; when sewage flows into the sterilization cavity, eddy current is caused, and under the photocatalysis of ultraviolet radiation on nano titanium dioxide particles, the generation of the eddy current can prolong the sterilization and disinfection time of the sewage, improve the degradation rate of organic and inorganic pollutants in the sewage and simultaneously improve the sterilization and disinfection effect of the sewage; and the device has simple and compact structure.

Description

Ultraviolet leaded light photocatalysis sewage treatment plant

Technical Field

The utility model relates to a disinfection field that disinfects of sewage, concretely relates to ultraviolet leaded light photocatalysis sewage treatment plant compact structure, that bactericidal effect is good.

Background

At present, the ultraviolet light sterilization is mainly used for treating sewage, a mercury lamp tube is arranged in a sterilization cavity, and the ultraviolet light emitted by the mercury lamp irradiates the sewage to realize sterilization. This approach has certain drawbacks, above all the mercury lamps have their own unavoidable drawbacks in their use: large volume, long preheating time, short service life, poor environmental protection and the like; in addition, united nations dominate environmental regulations signed by multiple countries, specifically, a list about limiting mercury emissions is developed, and the application of mercury removal is gradually becoming a trend.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model discloses a solve above-mentioned problem, the utility model discloses an ultraviolet LED provides a compact structure, the ultraviolet leaded light photocatalysis sewage treatment plant that bactericidal effect is good as the ultraviolet radiation source.

In order to achieve the above purpose, the utility model provides a technical scheme as follows:

the utility model provides an ultraviolet leaded light photocatalysis sewage treatment plant, includes the shell body and sets up the photocatalysis subassembly in the shell body, the shell body has water inlet, delivery port and the cavity that disinfects of intercommunication water inlet and delivery port, the photocatalysis subassembly is equipped with two groups, and two groups photocatalysis subassemblies set up relatively, and two groups photocatalysis subassembly all have ultraviolet LED radiation source and correspond ultraviolet LED radiation source and to disinfecting a plurality of leaded light stick that extend in the cavity, the surface of leaded light stick has plated the nanometer titanium dioxide grained layer, and two groups photocatalysis subassembly's leaded light stick is crisscross to be set up mutually.

Further, the shell body includes the main casing body and apron, the main casing body is stainless steel, has two installing openings of relative setting and intercommunication, and two photocatalysis subassemblies are sealed respectively and assemble in two installing openings, the apron is equipped with two to on covering two installing openings respectively, and then enclose and close the formation the cavity of disinfecting, the cavity internal surface of disinfecting is for the polished surface or plated the high reflection aluminium membrane reflector layer, water inlet and delivery port all are formed on the main casing body.

Furthermore, the two mounting openings of the main shell body are respectively provided with a first step sunken in the end face of the opening and a second step sunken in the first step, the photocatalytic component further comprises a light-transmitting support plate, a narrow gasket paved on the inner surface of the light-transmitting support plate, a wide gasket paved on the outer surface of the light-transmitting support plate and an annular pressure seat paved on the outer surface of the wide gasket, the light-transmitting support plate and the narrow gasket are embedded on the second step, the narrow gasket is hermetically attached to the step face of the second step, the annular pressure seat and the wide gasket are embedded on the first step, the wide gasket is hermetically attached to the step face of the first step, the annular pressure seat is fixed on the main shell body, and the light guide rod is connected with the inner surface of the light-transmitting support plate and extends into the sterilization cavity; the ultraviolet LED radiation source is positioned on the outer surface of the light-transmitting support plate and corresponds to the light guide rod.

Furthermore, the light-transmitting support plate and the connected light guide rod are of an integrally formed structure.

Furthermore, the light-transmitting support plate and the connected light guide rod are made of quartz glass.

Furthermore, the end part of the inner wall surface of the second step protrudes inwards to form an arc-shaped limiting part, and the ends of the light-transmitting support plate and the narrow washer are sunken to form an arc-shaped notch, and are clamped on the arc-shaped limiting part of the main shell through the arc-shaped notch.

Further, the ultraviolet LED radiation source comprises an aluminum-based circuit board and ultraviolet LED lamp beads packaged on the aluminum-based circuit board, and the ultraviolet LED lamp beads are provided with a plurality of light guide rods in one-to-one correspondence.

Furthermore, a reflecting cup is arranged between the corresponding ultraviolet LED lamp bead and the light guide rod, and the inner surface of the reflecting cup is plated with a high-reflection aluminum film reflecting layer.

Furthermore, the sterilization cavity is a strip-shaped sterilization cavity, and the water inlet and the water outlet are respectively positioned at the end parts of the two ends of the strip-shaped sterilization cavity.

Further, the light guide rod is a tapered light guide rod.

Through the utility model provides a technical scheme has following beneficial effect:

according to the ultraviolet light guide photocatalysis sewage treatment device provided by the scheme, an ultraviolet LED is used as an ultraviolet radiation source, so that mercury removal application is realized; ultraviolet light emitted by the ultraviolet LED radiation source is transmitted and emitted through the light guide rod, and simultaneously, the ultraviolet light is subjected to photocatalysis under the catalysis of the nano titanium dioxide particle layer on the surface of the light guide rod to generate hydroxyl free radicals so as to oxidize and decompose organic and inorganic pollutants in sewage, thereby realizing the sterilization and disinfection treatment of the sewage; the light guide rod is used for transmitting ultraviolet radiation to the water for a certain distance, so that the utilization rate of ultraviolet radiation for sterilizing and disinfecting water is improved; the light guide rods of the two groups of photocatalytic components are arranged in a staggered manner, so that vortex flow is caused when sewage flows into the sterilization cavity, the generation of the vortex flow can prolong the photocatalytic reaction time of ultraviolet radiation on the sewage, the degradation rate of organic and inorganic pollutants in the sewage is improved, and the sterilization and disinfection effects on the sewage are improved; and the device has simple and compact structure.

Drawings

FIG. 1 is a schematic external view of an ultraviolet light-guiding photocatalytic sewage treatment apparatus according to an embodiment;

FIG. 2 is a partial structural view of an outer case in the embodiment;

FIG. 3 is a schematic structural diagram of a first cover plate in the embodiment;

FIG. 4 is a schematic structural diagram of a second cover plate in the embodiment;

FIG. 5 is a first schematic view showing the assembly of two sets of photocatalytic assemblies according to the embodiment;

FIG. 6 is a second schematic view showing the assembly of two sets of photocatalytic assemblies according to the example;

FIG. 7 is a third schematic view showing the assembly of two sets of photocatalytic assemblies according to the example.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1 to 7, this embodiment provides an ultraviolet leaded light photocatalysis sewage treatment plant, including the shell body and set up photocatalysis subassembly 100 in the shell body, the shell body has water inlet 1, delivery port 4 and communicates the cavity (not shown) that disinfects of water inlet 1 and delivery port 4, photocatalysis subassembly 100 is equipped with two groups, and two groups photocatalysis subassembly 100 sets up relatively, and two groups photocatalysis subassembly all have the ultraviolet LED radiation source and correspond ultraviolet LED radiation source and to disinfecting a plurality of leaded light stick 16 that extend in the cavity, specifically, in this embodiment, leaded light stick 16 is the toper leaded light stick. The outer surface of the light guide rods 16 is plated with a nano titanium dioxide particle layer (not shown), and the light guide rods 16 of the two sets of photocatalytic assemblies 100 are arranged in a staggered manner. Specifically, in this embodiment, two sets of the photocatalytic elements 100 are respectively defined as a first photocatalytic element 101 and a second photocatalytic element 102, the first photocatalytic element 101 has two rows of the light guiding rods 16, the number of the light guiding rods 16 in each row is seven, and the second photocatalytic element 102 has one row of the light guiding rods 16, and the number of the light guiding rods is six. The light guide rods 16 of the two sets of photocatalytic assemblies 100 are arranged in an interlaced manner in a specific manner: the single row of light guide rods 16 of the second photocatalytic assembly 102 is located in the middle of the two rows of light guide rods 16 of the first photocatalytic assembly 100, and each light guide rod 16 of the second photocatalytic assembly 100 is located in the middle of four adjacent light guide rods 16 (i.e. four light guide rods 16 in a 2X2 array) in the first photocatalytic assembly 101, so as to achieve uniform distribution. Of course, in other embodiments, the arrangement and number of the light guide rods 16 of the two sets of photocatalytic assemblies 100 and the arrangement of the light guide rods 16 in the two sets of photocatalytic assemblies 100 in a staggered manner are not limited thereto.

When the water inlet device is used, sewage flows into the sterilization cavity from the water inlet 1, the light guide rods 16 are arranged in the two groups of photocatalytic assemblies 100 in a staggered mode, so that vortex flow can be formed in the sterilization cavity by the sewage, ultraviolet light emitted by the ultraviolet LED radiation source is transmitted and emitted through the light guide rods 16, meanwhile, the photocatalysis is performed under the catalysis of the nanometer titanium dioxide particle layer on the surface of the light guide rods 16, hydroxyl radicals are generated, organic and inorganic pollutants in the sewage are oxidized and decomposed, and the sterilization and disinfection treatment of the sewage is realized; the sewage forms vortex in the sterilization cavity, so that the photocatalytic reaction time of ultraviolet radiation on the sewage can be effectively prolonged, the degradation rate of organic and inorganic pollutants in the sewage is improved, and the sterilization and disinfection effects on the sewage are improved; and the device has simple and compact structure.

Further, in this embodiment, the light guide rod 16 is a tapered light guide rod, specifically a conical light guide rod, and the light guide rod 16 with a tapered structure effectively increases the area of photocatalytic reaction between the nano titanium dioxide particle layer and the sewage, and has a better effect; and the space left between two adjacent light guide rods 16 is inclined, which has more effect on generating vortex for sewage. Of course, in other embodiments, the light guide rod 16 may also make corresponding structural changes according to the arrangement of the ultraviolet LED radiation sources, such as a cone, a cylinder, and so on.

Further, in this embodiment, the sterilization cavity is a strip-shaped sterilization cavity, and the water inlet 1 and the water outlet 4 are respectively located at two end portions of the strip-shaped sterilization cavity. The rectangular shape sterilization cavity can make the sewage circulation time longer, and the cooperation produces the leaded light stick 16 of the crisscross setting of vortex, and its effect is better. Of course, in other embodiments, the structure of the sterilization chamber is not limited thereto.

Further, in this embodiment, the outer casing includes main casing body 5 and apron, main casing body 5 is stainless steel, has two installing openings (not marked) that set up relatively and communicate, and two groups photocatalysis component 100 are sealed respectively in two installing openings, the apron is equipped with two, is first apron 3 and second apron 6 respectively in this embodiment, and first apron 3 and second apron 6 cover respectively on two installing openings, and then enclose to close and form the cavity of disinfecting, disinfect the cavity internal surface for the polished surface or plate high reflection aluminium membrane reflector layer, reduce the ultraviolet absorption, promote the ultraviolet radiation utilization ratio, water inlet 1 and delivery port 4 all are formed on the main casing body. Thus, the assembly and disassembly operations of the two photocatalytic assemblies 100 are facilitated. Of course, in other embodiments, the structure of the outer case is not limited thereto.

Specifically, the cover plate and the opening end face of the main casing 5 are formed with corresponding fixing holes, for example, the fixing holes 2 on the first cover plate 3 and the second cover plate 6 and the fixing holes 18 on the opening end face of the main casing 5, and the

corresponding fixing holes

2 and 18 are fixedly connected by fasteners (such as bolts) in a penetrating manner, so that the cover plate is fixedly assembled. Of course, in other embodiments, the cover plate may be fastened, inserted, or the like.

More specifically, the two mounting openings of the main housing 5 are formed with a first step 7 recessed in the end face of the opening and a second step 8 recessed in the first step 7, and the photocatalytic assembly 100 further includes a light-transmitting support plate 15, a narrow gasket 13 laid on the inner surface of the light-transmitting support plate 15, a wide gasket 14 laid on the outer surface of the light-transmitting support plate 15, and an annular pressure seat 17 laid on the outer surface of the wide gasket 14. During assembly, the light-transmitting support plate 15 and the narrow gasket 13 are embedded on the second step 8, and the narrow gasket 13 is sealed and attached to the step surface of the second step 8 to realize sealing; meanwhile, the annular pressure seat 17 and the wide gasket 14 are embedded in the first step 7, the wide gasket 14 is attached to the step surface of the first step 7 in a sealing mode, the annular pressure seat 17 is fixed on the main shell 5, specifically, the annular pressure seat 17 is made of metal materials, corresponding connecting holes are formed in the annular pressure seat 17 and the step surface of the first step 7, and if the connecting holes 9 in the annular pressure seat 17 and the connecting holes 21 in the step surface of the first step 7 are connected in a penetrating mode through fasteners (not shown), fixing assembly is achieved. The light guide rod 16 is connected with the inner surface of the light-transmitting support plate 15 and extends into the sterilization cavity; the ultraviolet LED radiation source is positioned on the outer surface of the light-transmitting support plate 15 and corresponds to the light guide rod 16; the assembly is realized, the structure is simple, the assembly is simple and convenient, and the sealing performance is good. Of course, in other embodiments, the structure and sealing assembly of the photocatalytic assembly 100 is not limited thereto.

More specifically, printing opacity backup pad 15 and the leaded light stick 16 that is connected are integrated into one piece structure, can make the shaping through the integrative die-casting of mould during the preparation, and the preparation is simple and convenient, and fixed leaded light stick 16 that can be fine.

More specifically, the light-transmitting support plate 15 and the connected light guide rod 16 are made of quartz glass, so that the transmittance of ultraviolet light is high, and the propagation distance of the ultraviolet light in sewage can be effectively extended; the sterilization effect is better. Of course, in other embodiments, the light-transmitting support plate 15 and the light-guiding rod 16 may also be independent components, and are fixed by welding or bonding, and the material of the light-transmitting support plate 15 and the light-guiding rod 16 is not limited thereto, and other materials with high light-transmitting and low absorption properties to ultraviolet light may also be used.

Further, the end position of the inner wall surface of the second step 8 protrudes inwards to extend to form an arc-shaped limiting part 22, the end parts of the light-transmitting support plate 15 and the narrow gasket 13 are sunken to form an arc-shaped notch 12, and the arc-shaped notch 12 is clamped on the arc-shaped limiting part 22 of the main shell, so that the positioning effect is better. Of course, in other embodiments, the arrangement of the arc-shaped limiting part 22 and the arc-shaped notch 12 may not be required.

Further, the ultraviolet LED radiation source comprises an aluminum substrate 11 and ultraviolet LED lamp beads 19 packaged on the aluminum substrate 11, and the ultraviolet LED lamp beads 19 are provided with a plurality of light guide rods 16 in one-to-one correspondence. The arrangement of the aluminum substrate 11 can effectively help the ultraviolet LED lamp beads 19 to dissipate heat, so that the service life of the ultraviolet LED lamp beads 19 is longer.

More specifically, aluminium base board 11 is fixed in on the apron, and is specific, be provided with aluminium base plate seat 10 on the apron, aluminium base board 11 assembles and realizes fixing on aluminium base plate seat 10, and then realizes ultraviolet LED lamp pearl fixed, installs and removes the operation more portably, and fixes a position effectually.

More specifically, still be equipped with reflection of light cup 20 between corresponding ultraviolet LED lamp pearl 19 and the leaded light stick 16, its inner surface has plated the high reflection aluminium membrane reflector layer, can polymerize ultraviolet radiation, increase and incide ultraviolet quantity in the leaded light stick 16, and the effect is better.

Of course, in other embodiments, the structure and arrangement of the ultraviolet LED radiation source are not limited thereto.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an ultraviolet leaded light photocatalysis sewage treatment plant which characterized in that: including the shell body and set up photocatalytic component in the shell body, the shell body has water inlet, delivery port and intercommunication water inlet and the delivery port cavity of disinfecting, photocatalytic component is equipped with two groups, and two groups photocatalytic component set up relatively, and two groups photocatalytic component all have the ultraviolet LED radiation source and correspond ultraviolet LED radiation source and to disinfecting a plurality of leaded light stick that extend in the cavity, the nanometer titanium dioxide grained layer has been plated to the surface of leaded light stick, and two groups photocatalytic component's leaded light stick is crisscross to be set up mutually.

2. The ultraviolet light guide photocatalysis sewage treatment device according to claim 1, characterized in that: the shell body includes the main casing body and apron, the main casing body is stainless steel material, has two installation openings of relative setting and intercommunication, and two group photocatalysis subassemblies are sealed respectively and assemble in two installation openings, the apron is equipped with two to on covering two installation openings respectively, and then enclose and close the formation the cavity of disinfecting, the cavity internal surface of disinfecting is for polishing surface or plated the high reflection aluminium membrane reflector layer, water inlet and delivery port all are formed on the main casing body.

3. The ultraviolet light guide photocatalysis sewage treatment device according to claim 2, characterized in that: the photocatalytic component comprises a main shell, a photocatalytic component and a light guide rod, wherein the photocatalytic component comprises a light transmission support plate, a narrow gasket, a wide gasket and an annular pressing seat, the two mounting openings of the main shell are respectively provided with a first step sunken in the end face of the opening and a second step sunken in the first step, the light transmission support plate, the narrow gasket, the wide gasket and the annular pressing seat are laid on the inner surface of the light transmission support plate, the outer surface of the light transmission support plate and the outer surface of the wide gasket, the light transmission support plate and the narrow gasket are embedded on the second step, the narrow gasket is hermetically attached to the step face of the second step, the annular pressing seat and the wide gasket are embedded on the first step, the wide gasket is hermetically attached to the step face of the first step, the annular pressing seat is fixed on the main shell, and the rod is connected with the inner surface of the light transmission support plate and extends into the sterilization cavity; the ultraviolet LED radiation source is positioned on the outer surface of the light-transmitting support plate and corresponds to the light guide rod.

4. The ultraviolet light guide photocatalysis sewage treatment device according to claim 3, characterized in that: the light-transmitting support plate and the connected light guide rod are of an integrally formed structure.

5. The ultraviolet light guide photocatalysis sewage treatment device according to claim 3 or 4, characterized in that: the light-transmitting support plate and the connected light guide rod are made of quartz glass.

6. The ultraviolet light guide photocatalysis sewage treatment device according to claim 3, characterized in that: the end position of the inner wall surface of the second step protrudes inwards to extend to form an arc-shaped limiting part, and the ends of the light-transmitting support plate and the narrow washer are sunken to form an arc-shaped notch which is clamped on the arc-shaped limiting part of the main shell.

7. The ultraviolet light guide photocatalysis sewage treatment device according to claim 1, characterized in that: the ultraviolet LED radiation source comprises an aluminum-based circuit board and ultraviolet LED lamp beads packaged on the aluminum-based circuit board, and the ultraviolet LED lamp beads are provided with a plurality of light guide rods in one-to-one correspondence.

8. The ultraviolet light guide photocatalysis sewage treatment device according to claim 7, characterized in that: a reflecting cup is arranged between the corresponding ultraviolet LED lamp bead and the light guide rod, and the inner surface of the reflecting cup is plated with a high-reflection aluminum film reflecting layer.

9. The ultraviolet light guide photocatalysis sewage treatment device according to claim 1, characterized in that: the sterilization cavity is a strip-shaped sterilization cavity, and the water inlet and the water outlet are respectively positioned at the end parts of the two ends of the strip-shaped sterilization cavity.

10. The ultraviolet light guide photocatalysis sewage treatment device according to claim 1, characterized in that: the light guide rod is a conical light guide rod.