Water treatment ultraviolet sterilization equipment

Abstract

The utility model relates to the technical field of water treatment, in particular to ultraviolet sterilization equipment for water treatment. The water treatment ultraviolet sterilization equipment comprises an inner cylinder, an outer cylinder and an ultraviolet sterilization unit, an inlet and an outlet are formed in the two ends of the inner cylinder respectively, the inner cylinder is arranged in the outer cylinder, the two ends of the inner cylinder are connected with the two ends of the outer cylinder respectively, an assembly cavity is formed between the outer cylinder and the inner cylinder, and the ultraviolet sterilization unit is arranged in the assembly cavity. The ultraviolet sterilization unit is arranged in the assembly cavity, the inner wall of the inner cylinder is a light-transmitting side wall, and the inner surface of the inner cylinder is coated with a photocatalytic material. The device has the advantages that the structural design is simple and reasonable, sterilization can be achieved through combination of ultraviolet sterilization and photocatalysis, meanwhile, the photocatalytic material generates extremely strong oxidation free radicals to oxidize organic matter, ammonia nitrogen and other substances which enable COD to rise, and COD in water is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment technical field, especially relate to a water treatment ultraviolet sterilization equipment. BACKGROUND

[0002] In response to the requirements of environmental protection and water saving, power plants are designed to use reclaimed water as the main water source, and the reclaimed water has complex quality and high organic matter content. The organic matter remaining after treatment in a sewage treatment plant is mostly refractory organic matter, which is difficult to oxidize and reduce COD in water by the usual method. The existing technology applied to power plants is mainly medium-pressure ultraviolet sterilization, which has sterilization effect, but has little effect on organic matter and ammonia nitrogen. The water source for power plant production is reclaimed water treated by a sewage treatment plant, and the refractory substances enter the power plant water system, and the COD is higher after continuous concentration in the circulating water system, which seriously limits the reuse of wastewater, and the problem of high COD needs to be solved.

[0003] Therefore, it is necessary to develop a water treatment ultraviolet sterilization equipment to overcome the above technical problems. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem that a water treatment ultraviolet sterilization equipment is provided to effectively overcome the defects of the prior art.

[0005] The technical scheme for solving the above technical problem of the utility model is as follows:

[0006] A water treatment ultraviolet sterilization equipment includes an inner cylinder, an outer cylinder, and an ultraviolet sterilization unit. The two ends of the inner cylinder are respectively provided with an inlet and an outlet. The inner cylinder is built in the outer cylinder, and the two ends thereof are respectively connected with the two ends of the outer cylinder. An assembly chamber is formed between the outer cylinder and the inner cylinder. The ultraviolet sterilization unit is arranged in the assembly chamber. The inner wall of the inner cylinder is a light-transmitting side wall, and the inner surface thereof is coated with a photocatalytic material.

[0007] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0008] Further, the inner cylinder includes two fixed rings and a transparent cylinder. The two fixed rings are coaxially fixed at the two ends of the cylinder, respectively. The two fixed rings are respectively connected with the two ends of the outer cylinder.

[0009] Further, the inner side of the two ends of the outer cylinder is respectively provided with a fixed inner ring. The inner side of the fixed inner ring is provided with an internal thread. The outer surface of the two fixed rings is provided with an external thread. The two fixed inner rings are respectively threadedly connected with the two fixed rings.

[0010] Further, the inner diameter of one of the fixed inner rings is smaller than the inner diameter of the other fixed inner ring, and the outer diameter of one of the fixed rings is smaller than the outer diameter of the other fixed ring.

[0011] Further, the side wall of the outer cylinder is provided with a mounting rack, and the ultraviolet sterilization unit is mounted on the mounting rack.

[0012] Further, the ultraviolet sterilization unit comprises a plurality of straight strip-shaped ultraviolet lamp tubes, both ends of each of the ultraviolet lamp tubes are provided with lamp sockets, the plurality of ultraviolet lamp tubes are arranged in a row, the lamp sockets at the ends of adjacent two ultraviolet lamp tubes are connected in series, the outer cylinder is provided with a strip-shaped opening extending along the axial direction of the outer cylinder, and a cover plate is detachably mounted at the opening, the plurality of ultraviolet lamp tubes are mounted into the outer cylinder through the opening and connected with the mounting rack.

[0013] Further, the mounting rack comprises two annular and unclosed sliding grooves, the cross section of each of the sliding grooves is C-shaped, the two sliding grooves are fixed at the two ends of the inner wall of the outer cylinder respectively, the openings of the two sliding grooves are close to each other, the strip-shaped opening of the outer cylinder is arranged at the unclosed part of the two sliding grooves, and the lamp sockets at the two ends of the plurality of ultraviolet lamp tubes are inserted into the sliding grooves along the unclosed parts of the sliding grooves and pushed inwards as a whole.

[0014] Further, the mounting rack comprises two annular and unclosed sliding grooves, the cross section of each of the sliding grooves is C-shaped, the two sliding grooves are fixed at the two ends of the inner wall of the outer cylinder respectively, the openings of the two sliding grooves are close to each other, the strip-shaped opening of the outer cylinder is arranged at the unclosed part of the two sliding grooves, and the lamp sockets at the two ends of the plurality of ultraviolet lamp tubes are inserted into the sliding grooves along the unclosed parts of the sliding grooves and pushed inwards as a whole.

[0015] Further, the two ends of the cover plate are connected and fixed with the lamp sockets at the two ends of one of the ultraviolet lamp tubes located at the end.

[0016] Further, the surface of the cover plate is provided with a handle.

[0017] The ultraviolet sterilization equipment for water treatment has the advantages of simple and reasonable structure, and can realize sterilization by combining ultraviolet sterilization and photocatalysis, oxidize organic matters and ammonia nitrogen and other substances that increase COD by generating strong oxidation free radicals of photocatalytic materials, and effectively reduce COD in water. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a sectional view of the structure of one embodiment of the ultraviolet sterilization equipment for water treatment.

[0019] Figure 2 is a sectional view of the outer cylinder in another embodiment of the water treatment ultraviolet sterilization equipment of the utility model;

[0020] Figure 3 is a structure sectional view of another embodiment of the water treatment ultraviolet sterilization equipment of the utility model;

[0021] Figure 4 is a sectional view of the outer cylinder in another embodiment of the water treatment ultraviolet sterilization equipment of the utility model;

[0022] Figure 5 is a structure schematic view of the ultraviolet sterilization unit in the water treatment ultraviolet sterilization equipment of the utility model.

[0023] In the drawings, the component list represented by each sign is as follows:

[0024] 1, inner cylinder; 2, outer cylinder; 3, ultraviolet sterilization unit; 11, fixed ring; 12, cylinder; 21, fixed inner ring; 31, ultraviolet lamp; 32, lamp holder; 41, sliding groove; 42, sliding rail; 111, limiting ring; 211, cover plate. DETAILED DESCRIPTION

[0025] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and not used to limit the scope of the utility model.

[0026] Embodiment

[0027] As shown in Figure 1 , 3 , the water treatment ultraviolet sterilization equipment of the embodiment comprises an inner cylinder 1, an outer cylinder 2 and an ultraviolet sterilization unit 3, both ends of the inner cylinder 1 are respectively provided with an inlet and an outlet, the inner cylinder 1 is built in the outer cylinder 2, both ends thereof are connected with both ends of the outer cylinder 2, a fitting chamber is formed between the outer cylinder 2 and the inner cylinder 1, the ultraviolet sterilization unit 3 is arranged in the fitting chamber, the inner wall of the inner cylinder 1 is a light-transmitting side wall, and the inner surface thereof is coated with a photocatalytic material.

[0028] The water treatment ultraviolet sterilization equipment of the embodiment reduces COD in water by plating the photocatalytic material on the cylinder wall of the ultraviolet sterilization equipment, and uses the sterilization technology of ultraviolet and the photocatalysis technology of the photocatalytic material to jointly act, thereby improving the obvious treatment effect of the existing ultraviolet sterilization on microorganisms and the problem that the photocatalytic material does not obviously act on other impurities leading to high COD.

[0029] In the embodiment, the inner cylinder 1 includes two fixed rings 11 and a transparent cylinder 12 (which can be made of glass or transparent acrylic material). The two fixed rings 11 are coaxially fixed at the two ends of the cylinder 12 respectively, and are connected with the two ends of the outer cylinder 2 respectively. The structure design of the inner cylinder 1 is beneficial to the assembly with the outer cylinder 2. The cylinder 12 is not suitable for direct connection and assembly due to the transparent material.

[0030] As a preferred embodiment, the inner side of the two ends of the outer cylinder 2 is respectively provided with a fixed inner ring 21, the inner side of the fixed inner ring 21 is provided with an internal thread, the outer surface of the two fixed rings 11 is provided with an external thread, and the two fixed inner rings 21 are respectively threadedly connected with the two fixed rings 11.

[0031] In the above embodiment, the outer cylinder 2 and the inner cylinder 1 are connected by thread connection, which is convenient for quick disassembly and assembly.

[0032] As a preferred embodiment, the inner diameter of one of the fixed inner rings 21 is smaller than the inner diameter of the other fixed inner ring 21, and the outer diameter of one of the fixed rings 11 is smaller than the outer diameter of the other fixed ring 11. The end edge of the fixed ring 11 connected with the cylinder 12 is provided with a limiting ring 111, and the limiting ring 111 abuts against one of the fixed inner rings 21.

[0033] In the above embodiment, the limiting ring 111 is designed to limit the thread assembly between the outer cylinder 2 and the inner cylinder 1, so as to avoid the disconnection caused by excessive rotation.

[0034] In the embodiment, the side wall of the outer cylinder 2 is provided with a mounting rack, and the ultraviolet sterilization unit 3 is mounted on the mounting rack. The design of the mounting rack is convenient for the good assembly of the ultraviolet sterilization unit 3.

[0035] As a preferred embodiment, the ultraviolet sterilization unit 3 includes a plurality of straight strip type ultraviolet lamp tubes 31. The two ends of the ultraviolet lamp tube 31 are respectively provided with a lamp holder 32. The plurality of ultraviolet lamp tubes 31 are arranged in a row (as shown in Figure 5 The lamp holders 32 at the end portions of the two adjacent ultraviolet lamp tubes 31 are connected in series. The outer cylinder 2 is provided with a strip-shaped opening extending along the axial direction thereof. The opening is detachably provided with a cover plate 211. The plurality of ultraviolet lamp tubes 31 are arranged in the outer cylinder 2 through the opening, and are connected with the mounting rack.

[0036] In the above embodiment, the ultraviolet sterilization unit 3 includes a plurality of ultraviolet lamps 31 (or other ultraviolet light emitters). During assembly, the plurality of ultraviolet lamps 31 can be placed into the assembly chamber between the outer tube 2 and the inner tube 1 by opening the cover 211. After installation, the plurality of ultraviolet lamps 31 surround the inner tube 1 in a ring shape, thereby providing effective ultraviolet illumination in all directions.

[0037] In this embodiment, the design of the mounting frame includes at least the following two structural forms to facilitate the rapid disassembly and assembly of the ultraviolet sterilization unit 3, as follows:

[0038] 1) If Figure 1 、 2 As shown, the above-mentioned mounting frame includes two annular and unclosed slide grooves 41, the cross-section of the above-mentioned slide grooves 41 is C-shaped, the two above-mentioned slide grooves 41 are respectively fixed to the two ends of the inner wall of the above-mentioned outer cylinder 2, and the openings of the two are close to each other, the strip opening of the above-mentioned outer cylinder 2 is set at the unclosed part of the two above-mentioned slide grooves 41, and the lamp holders 32 at both ends of the above-mentioned ultraviolet lamp tubes 31 are respectively inserted into the slide grooves 41 along the unclosed parts of the above-mentioned slide grooves 41 and pushed inward as a whole.

[0039] In the above solution 1), after opening the cover 211, the lamp holders 32 at both ends of the ultraviolet lamp tube 31 at one end are respectively inserted from the strip opening, and the lamp holders 32 are inserted into the ports at the unclosed portion of the slide groove 41. Then, the ultraviolet lamp tubes 31 are pushed inward one by one in sequence, so that the lamp holders 32 of the ultraviolet lamp tubes 31 enter along the annular slide groove 41, so that multiple ultraviolet lamp tubes 31 surround the inner cylinder 1 in a ring shape.

[0040] 2) If Figure 3 、 4 As shown, the above-mentioned mounting frame includes two annular unclosed slide rails 42 with a T-shaped cross-section. The two above-mentioned slide rails 42 are respectively fixed to the two ends of the inner wall of the above-mentioned outer cylinder 2. The strip opening of the above-mentioned outer cylinder 2 is arranged at the unclosed part of the two above-mentioned slide rails 42. The side ends of the lamp holders 32 at both ends of the above-mentioned ultraviolet lamp tubes 31 are respectively provided with T-shaped grooves adapted to the above-mentioned slide rails 42. The lamp holders 32 at both ends of the above-mentioned ultraviolet lamp tubes 31 are nested in the ends of the above-mentioned slide rails 42 and pushed inward as a whole.

[0041] In the above-mentioned solution 2), an annular slide rail 42 is used, and the lamp holders 32 at both ends of the ultraviolet lamp tube 31 are provided with T-shaped slots adapted to the slide rail 42. After the lamp holders 32 at both ends of an ultraviolet lamp tube 31 located at the head end are inserted into the slide rail 42, multiple ultraviolet lamp tubes 31 are pushed in sequentially (during the pushing process, ensure that the lamp holders 32 at both ends of each ultraviolet lamp tube 31 are nested in the slide rail 42 using the T-shaped slots).

[0042] In this embodiment, the ends of the cover plate 211 are connected to the lamp holders 32 at the ends of the UV lamps 31. Furthermore, a flexible connection (such as a cord) is used. This design allows all UV lamps 31 to be removed from the outer tube 2 by simply opening and pulling the cover plate 211 outward.

[0043] In this embodiment, the lamp holders 32 are connected by a flexible connection structure (which can be a rope or a hook structure).

[0044] In this embodiment, a handle is provided on the surface of the cover plate 211 , so that an external force can be applied to the handle to pull the cover plate 211 outward.

[0045] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0046] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0047] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0048] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0049] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or features of different embodiments or examples described in the present application without contradiction.

[0050] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A water treatment ultraviolet disinfection equipment, characterized by: The invention comprises an inner cylinder (1), an outer cylinder (2), and an ultraviolet sterilization unit (3); an inlet and an outlet are respectively provided at both ends of the inner cylinder (1); the inner cylinder (1) is built into the outer cylinder (2), and its two ends are respectively connected to the two ends of the outer cylinder (2); an assembly chamber is formed between the outer cylinder (2) and the inner cylinder (1); the ultraviolet sterilization unit (3) is arranged in the assembly chamber; the inner wall of the inner cylinder (1) is a light-transmitting side wall, and its inner surface is coated with a photocatalytic material.

2. The water treatment ultraviolet disinfection equipment according to claim 1, characterized in that: The inner cylinder (1) comprises two fixed rings (11) and a transparent cylinder (12). The two fixed rings (11) are coaxially fixed to the two ends of the cylinder (12), and the two fixed rings (11) are connected to the two ends of the outer cylinder (2).

3. The water treatment ultraviolet disinfection equipment according to claim 2, characterized in that: The inner sides of both ends of the outer cylinder (2) are respectively provided with fixed inner rings (21), the inner sides of the fixed inner rings (21) are provided with internal threads, the outer surfaces of the two fixed circular rings (11) are provided with external threads, and the two fixed inner rings (21) are respectively threadedly connected to the two fixed circular rings (11).

4. The water treatment ultraviolet disinfection equipment according to claim 3, characterized in that: The inner diameter of one of the fixed inner rings (21) is smaller than the inner diameter of the other fixed inner ring (21), and the outer diameter of one of the fixed circular rings (11) is correspondingly smaller than the outer diameter of the other fixed circular ring (11). A limiting ring (111) is provided at the edge of the end where one of the fixed circular rings (11) is connected to the cylinder (12), and the limiting ring (111) is abutted against one of the fixed inner rings (21).

5. The water treatment ultraviolet disinfection equipment according to claim 1, characterized in that: A mounting frame is provided on the side wall of the outer cylinder (2), and the ultraviolet sterilization unit (3) is mounted on the mounting frame.

6. The water treatment ultraviolet disinfection equipment according to claim 5, characterized in that: The ultraviolet sterilization unit (3) comprises a plurality of straight ultraviolet lamp tubes (31), each of which is provided with a lamp holder (32) at both ends. The plurality of ultraviolet lamp tubes (31) are arranged in a row, and the lamp holders (32) at the ends of two adjacent ultraviolet lamp tubes (31) are connected in series. The outer cylinder (2) is provided with a strip-shaped opening extending along its axial direction, and a cover plate (211) is detachably installed at the opening. The plurality of ultraviolet lamp tubes (31) are installed in the outer cylinder (2) through the opening and are connected to the mounting frame.

7. The water treatment ultraviolet disinfection equipment according to claim 6, characterized in that: The mounting frame comprises two annular and unclosed chutes (41), the cross section of the chutes (41) being C-shaped, the two chutes (41) being respectively fixed to the two ends of the inner wall of the outer cylinder (2), and the openings of the two are close to each other, the strip opening of the outer cylinder (2) is arranged at the unclosed parts of the two chutes (41), and the lamp holders (32) at the two ends of the plurality of ultraviolet lamp tubes (31) are respectively inserted into the chutes (41) along the unclosed parts of the chutes (41) and pushed inward as a whole.

8. The water treatment ultraviolet disinfection equipment according to claim 6, characterized in that: The mounting frame comprises two annular unclosed slide rails (42) with a T-shaped cross section, the two slide rails (42) are respectively fixed to the two ends of the inner wall of the outer cylinder (2), the strip opening of the outer cylinder (2) is arranged at the unclosed part of the two slide rails (42), and the side ends of the lamp holders (32) at both ends of the plurality of ultraviolet lamp tubes (31) are respectively provided with T-shaped grooves adapted to the slide rails (42), and the lamp holders (32) at both ends of the ultraviolet lamp tubes (31) are nested in the ends of the slide rails (42) and pushed inward as a whole.

9. The water treatment ultraviolet disinfection equipment according to claim 6, characterized in that: Both ends of the cover plate (211) are connected to lamp holders (32) at both ends of an ultraviolet lamp tube (31) located at the end.

10. The water treatment ultraviolet disinfection equipment according to claim 9, characterized in that: A handle is provided on the surface of the cover plate (211).

Images