CN209922958U

CN209922958U - Ultraviolet sterilization device for water treatment

Info

Publication number: CN209922958U
Application number: CN201920656388.9U
Authority: CN
Inventors: 王智泉; 张毅; 刘建凯; 何威
Original assignee: Beijing Xinhang Thai Science And Technology Development Co Ltd; Hefei BOE Display Lighting Co Ltd
Current assignee: Beijing Xinhang Thai Science And Technology Development Co Ltd; Hefei BOE Display Lighting Co Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-01-10
Anticipated expiration: 2029-05-08

Abstract

The utility model belongs to the technical field of LCD screen production and processing, concretely relates to ultraviolet sterilization device for water treatment, include: the reactor comprises a cylinder, a top seal assembly and a bottom seal assembly; the cylinder is cylindrical and is vertically arranged; the top sealing component and the bottom sealing component are respectively and hermetically arranged at the upper end and the lower end of the cylinder body; the side walls of the upper end and the lower end of the cylinder body are respectively provided with an inlet pipe and an outlet pipe, and the inlet pipe and the outlet pipe are suitable for connecting the reactor to a conveying pipeline of water treatment equipment; the lamp tube assembly is arranged in the reactor, the upper end of the lamp tube assembly is connected with the top sealing assembly, and the lower end of the lamp tube assembly is connected with the bottom sealing assembly; and a control component. Through the arrangement, the occupied area of the ultraviolet sterilization device for water treatment is reduced, and the space is saved for later-stage maintenance and part replacement; in addition, the reactor is arranged in a fully sealed way, and the lamp tube assembly is arranged in the reactor, so that the reactor can still be reliably sealed even if the quartz sleeve is broken.

Description

Ultraviolet sterilization device for water treatment

Technical Field

The utility model belongs to the technical field of LCD screen production and processing, concretely relates to ultraviolet sterilization device for water treatment.

Background

In the manufacturing process of the liquid crystal display screen, ultrapure water is used as cleaning water. A typical water treatment apparatus for a liquid crystal panel has the following processes: multi-medium filtration, active carbon filtration, reverse osmosis treatment and EDI system treatment, wherein the devices for the procedures are connected through a conveying pipeline; because the conveying pipeline is long and the water storage container is arranged on the pipeline, bacteria can be inevitably bred in water. The traditional sterilization methods such as liquid chlorine treatment, chloramine treatment, chlorine dioxide treatment and the like leave byproducts, and are not suitable for sterilization and disinfection of water for cleaning liquid crystal screens, while the methods such as hydrogen peroxide and ozone can corrode products due to strong oxidizing property, are only suitable for cleaning pipelines when water is cut off, and are not suitable for online sterilization. Therefore, the ultraviolet sterilization has no by-product in the sterilization process, and is particularly suitable for the online sterilization of ultrapure water for the cleaning of a liquid crystal screen production line. When in use, the ultraviolet sterilizer is connected on the conveying pipeline, and the lamp tube of the ultraviolet sterilizer is transversely arranged. However, the ultraviolet sterilizer having the above structure still has the following disadvantages:

1. the lamp tubes are transversely arranged, so that the occupied area of the ultraviolet sterilizer is large, and an additional reserved space is required to be provided for replacing the lamp tubes;

2. after the ultraviolet sterilizer is used for a period of time, the quartz sleeve needs to be replaced due to scaling and the like, and most of water in the reactor needs to be drained after replacement;

3. the sealing performance of the whole structure is not strong, and the leakage problem of the ultraviolet sterilizer can be caused by the breakage of the quartz sleeve.

Therefore, in order to overcome the above disadvantages, the present invention provides an ultraviolet sterilizer for water treatment, which solves at least one of the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultraviolet sterilization device for water treatment to solve the problem that ultraviolet sterilizer exists in ultrapure water treatment process among the prior art.

The utility model provides an ultraviolet sterilization apparatus for water treatment, include: a reactor comprising a barrel, a top seal assembly and a bottom seal assembly; the cylinder is cylindrical and is vertically arranged; the top seal assembly and the bottom seal assembly are respectively hermetically mounted with the upper end and the lower end of the cylinder body; the side walls of the upper end and the lower end of the cylinder body are respectively provided with an inlet pipe and an outlet pipe, and the inlet pipes are suitable for connecting the reactor to a conveying pipeline of water treatment equipment; the lamp tube assembly is arranged in the reactor, the upper end of the lamp tube assembly is connected with the top sealing assembly, and the lower end of the lamp tube assembly is connected with the bottom sealing assembly; the control assembly comprises a liquid level switch, a flow switch and a control cabinet; the liquid level switch and the flow switch are installed on the inner wall of the upper portion of the barrel body and are respectively electrically connected with the control cabinet, and the control cabinet is electrically connected with the lamp tube assembly.

In the ultraviolet sterilizer for water treatment as described above, it is further preferable that the lamp tube assembly includes a sleeve, a UV lamp tube, a first support rod and a second support rod; the sleeve is a long pipe with an opening at one side, and the UV lamp tube is inserted in the sleeve; the first supporting rod and the second supporting rod are inserted at two ends of the sleeve and are suitable for fixing the UV lamp tube in the sleeve.

In the ultraviolet sterilizer for water treatment as described above, it is further preferable that the UV lamp includes a quartz lamp, a lamp line, and a base; the lamp wires are connected to two ends of the quartz lamp tube and are suitable for being connected with the control cabinet; the number of the lamp caps is two, and the two lamp caps are respectively connected to two ends of the quartz lamp tube and are suitable for being fixed with the first supporting rod and the second supporting rod.

The ultraviolet sterilizer for water treatment as described above, further preferably, the bottom sealing assembly includes an annular base plate and a lower cover; the annular bottom plate and the lower end of the cylinder body are welded into a whole; the lower sealing cover is cup-shaped, the cup bottom of the lower sealing cover is connected with the annular base plate, and the cup body penetrates through the center of the annular base plate and is inserted into the reactor, so that the quartz lamp tube can be inserted through the cup-shaped hole.

In the ultraviolet sterilizer for water treatment described above, it is further preferable that the bottom seal assembly further includes a first seal ring and a pressing sleeve; the first sealing ring is arranged between the quartz lamp tube and the lower sealing cover; the compressing sleeve is in a hollow cylinder shape, the outer surface of the compressing sleeve is provided with a step surface, and the compressing sleeve is suitable for being matched with the lower sealing cover to compress the first sealing ring.

In the ultraviolet sterilizer for water treatment described above, it is further preferable that the bottom seal assembly further includes a second seal ring provided on a mating surface of the lower cover and the annular base plate.

In the ultraviolet sterilizer for water treatment described above, it is further preferable that the top seal assembly includes an upper seal cover, a seal cover, and a press cover; the upper sealing cover is annular and is suitable for being in sealing connection with the upper end of the cylinder body; the sealing sleeve is cup-shaped, is reversely buckled at the central position of the upper sealing cover and is tightly clamped with the upper end of the lamp tube component, and the bottom of the sealing sleeve is provided with a through hole suitable for the lamp wire to pass through; the gland is installed in the seal cover outside, be suitable for sealed the through-hole.

In the ultraviolet sterilizer for water treatment described above, it is further preferable that a flange is provided at an end of the cylindrical body, and the flange and the upper cover are press-connected by an eyenut.

In the ultraviolet sterilizer for water treatment described above, it is further preferable that the top sealing module further includes an automatic exhaust valve provided on the upper sealing cover and adapted to exhaust air.

The ultraviolet sterilizer for water treatment as described above further preferably further comprises a temperature sensor and a UV intensity sensor, both of which are disposed on the inner wall of the cylinder and electrically connected to the control cabinet.

Compared with the prior art, the utility model has the following advantage:

the utility model has the advantages that the reactor comprising the vertically placed cylinder body, the vertically placed lamp tube component in the reactor and the control component matched with the lamp tube component are arranged, so that pure water in the communicating pipeline vertically flows through the reactor and is sterilized when reaching a limited flow rate and a limited liquid level, the occupied area of the ultraviolet sterilization device for water treatment is reduced, and the space is saved for later-stage maintenance and part replacement; in addition, the reactor is arranged in a fully sealed way, and the lamp tube assembly is arranged in the reactor, so that the reactor can still be reliably sealed even if the quartz sleeve is broken.

Drawings

FIG. 1 is a schematic view of the whole structure of the ultraviolet sterilizer for medium water treatment of the present invention;

FIG. 2 is a schematic structural view of a reactor according to the present invention;

FIG. 3 is a partial cross-sectional view of FIG. 2;

FIG. 4 is a schematic structural view of the lamp assembly of FIG. 3;

FIG. 5 is a schematic view of the upper structure of FIG. 3;

fig. 6 is a schematic view of a lower structure of fig. 3.

Description of reference numerals:

1-cylinder, 2-lamp tube component, 3-temperature sensor, 4-first supporting rod, 5-sleeve, 6-second supporting rod, 7-lamp holder, 8-quartz lamp tube, 9-lamp line, 10-lower sealing cover, 11-first sealing ring, 12-second sealing ring, 13-pressing sleeve, 14-upper sealing cover, 15-third sealing ring, 16-sealing sleeve, 17-inlet and outlet tube, 18-fourth sealing ring, 19-pressing cover, 20-flow switch, 21-liquid level switch, 22-automatic exhaust valve, 23-control cabinet, 24-UV intensity sensor and 25-annular bottom plate.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 6, the ultraviolet sterilizer for water treatment disclosed in this embodiment includes: the reactor comprises a cylinder body 1, a top seal assembly and a bottom seal assembly; the cylinder body 1 is cylindrical and is vertically arranged; the top seal assembly and the bottom seal assembly are respectively installed at the upper end and the lower end of the cylinder body 1 in a sealing manner; the side walls of the upper end and the lower end of the cylinder body 1 are respectively provided with an inlet pipe 17 and an outlet pipe 17, and the inlet pipes 17 are suitable for connecting the reactor to a conveying pipeline of water treatment equipment; the lamp tube assembly 2 is arranged in the reactor, the upper end of the lamp tube assembly 2 is connected with the top seal assembly, and the lower end of the lamp tube assembly 2 is connected with the bottom seal assembly; the control assembly comprises a liquid level switch 21, a flow switch 20 and a control cabinet 23; the liquid level switch 21 and the flow switch 20 are installed on the inner wall of the upper part of the barrel 1 and are respectively electrically connected with the control cabinet 23, and the control cabinet 23 is electrically connected with the lamp tube assembly 2. The vertically arranged cylinder 1 changes the structure and the shape of the ultraviolet sterilization device and the flow direction of pure water, and also changes the installation position of the lamp tube assembly 2 in the ultraviolet sterilization device, so that the ultraviolet sterilization device is vertically arranged and placed in the reactor, namely, in the structure, namely, in the embodiment, the pure water in the communication pipeline vertically flows through the reactor and is subjected to sterilization treatment when reaching a limited flow rate and a limited liquid level by arranging the reactor comprising the vertically arranged cylinder 1, the lamp tube assembly 2 vertically arranged in the reactor and the control assembly matched with the lamp tube assembly 2. And the vertical ultraviolet sterilization device for water treatment occupies a small area, so that the space can be saved. Simultaneously because the easy scale deposit of lamp assembly spare 2 and this characteristic of UV luminous intensity can attenuate along with time, in using, lamp assembly spare 2 among the ultraviolet sterilization device needs regular replacement, and the change then needs reserve out suitable maintenance space according to the length of lamp assembly spare 2, barrel 1 sets up the change of direction and has also corresponded the mounted position who has changed lamp assembly spare 2 among the embodiment, make it also be vertical and arrange barrel 1 inside, only occupy the space of upper and lower direction and do not occupy the space on the horizontal direction during the maintenance, water treatment facilities including ultraviolet sterilization device has been saved in the space on the horizontal direction. In addition, the lamp tube assembly 2 is completely arranged in the reactor in the embodiment and is installed with the upper and lower parts of the reactor, so that even if the lamp tube assembly 2 is damaged in use, the sealing performance of the whole device cannot be affected as long as the side wall and the bottom of the reactor are not damaged. It should be noted that the control assembly including the liquid level switch 21, the flow switch 20 and the control cabinet 23 in this embodiment is a conventional technical means in the art, and the functions and the electrical connection modes of the components are also the same as those in the prior art, and can be purchased and obtained from the market as required in actual use.

As shown in fig. 4, further, in the ultraviolet ray sterilization apparatus for water treatment disclosed in the present embodiment, the lamp tube assembly 2 includes a sleeve 5, a UV lamp tube, a first support rod 4 and a second support rod 6; the sleeve 5 is a long tube with an opening at one side, and the UV lamp tube is inserted in the sleeve 5; the first support rod 4 and the second support rod 6 are inserted at two ends of the sleeve 5 and are suitable for fixing the UV lamp tube in the sleeve 5. Further, the UV lamp tube comprises a quartz lamp tube 8, a lamp wire 9 and a lamp head 7; the lamp wires 9 are connected to two ends of the quartz lamp tube 8 and are suitable for being connected with the control cabinet 23; the number of the lamp holders 7 is two, and the two lamp holders 7 are respectively connected to two ends of the quartz lamp tube 8 and are suitable for being fixed with the first supporting rod 4 and the second supporting rod 6. In this embodiment, the sleeve 5 is made of quartz material and is a quartz sleeve 5, the quartz sleeve 5 is a round tube with an opening on one side, and the other end is a ball head; the lamp head 7 is made of ceramic materials, and the lamp head 7 is used for protecting the connection between the quartz lamp tube 8 and the lamp wire 9 on one hand and is also used for connecting the first support rod 4 and the second support rod 6 on the other hand. The normal operation of the lamp tube assembly 2 needs sufficient cooling, and the pure water flowing in the reactor can take away the heat generated in the lamp tube operation, thereby ensuring the safe operation of the lamp tube. It should be noted that the lamp tube assembly 2 in this embodiment is a product existing in the prior art, and the model and the product of the corresponding specification can be selected according to the needs in actual use.

As shown in fig. 6, further, in the ultraviolet ray sterilization apparatus for water treatment disclosed in the present embodiment, the bottom sealing assembly includes an annular bottom plate 25 and a lower cover 10; the annular bottom plate 25 and the lower end of the cylinder body 1 form a whole through welding; the lower sealing cover 10 is cup-shaped, the bottom of the lower sealing cover 10 is connected with the annular bottom plate 25, and the cup body penetrates through the center of the annular bottom plate 25 to be inserted into the reactor, so that the quartz lamp tube 8 can be inserted through the cup-shaped hole. Further, the bottom seal assembly further comprises a first sealing ring 11 and a pressing sleeve 13; the first sealing ring 11 is arranged between the quartz lamp tube 8 and the lower sealing cover 10; the compressing sleeve 13 is in a hollow cylinder shape, the outer surface of the compressing sleeve is provided with a step surface, and the compressing sleeve is suitable for being matched with the lower sealing cover 10 to compress the first sealing ring 11. Further, the bottom sealing assembly further comprises a second sealing ring 12, and the second sealing ring 12 is arranged on the matching surface of the lower sealing cover 10 and the annular bottom plate 25.

As shown in fig. 5, further, in the ultraviolet sterilization apparatus for water treatment disclosed in this embodiment, the top seal assembly includes an upper seal cover 14, a seal sleeve 16 and a gland 19; the upper sealing cover 14 is annular and is suitable for being connected with the upper end of the cylinder body 1 and sealing through a third sealing ring 15 arranged on a matching surface; the sealing sleeve 16 is cup-shaped, is reversely buckled at the central position of the upper sealing cover 14 and is clamped with the upper end of the lamp tube assembly 2, and the bottom of the sealing sleeve 16 is provided with two through holes for passing a wire, so that the lamp wire 9 can pass through the through holes; the gland 19 is mounted outside the gland 16 and is adapted to seal the through bore by means of a fourth sealing ring 18 provided on the mating face. The gland 19 is used to seal the lamp supply cable in the sense that water does not flush from the reactor even if the quartz sleeve 5 is broken.

The structure of top seal subassembly and end seal subassembly has further been injectd to above-mentioned structure, and the structure that provides not only seals effectually, has still compromise the installation of lamp subassembly 2 for the equipment of ultraviolet sterilization device is more simple and convenient, firm.

Further, in the ultraviolet sterilization apparatus for water treatment disclosed in this embodiment, a flange is provided on the outer side of the cylinder 1, and the flange is connected to the upper cover 14 by means of an eyenut.

Further, in the ultraviolet sterilization apparatus for water treatment disclosed in this embodiment, the top sealing assembly further includes an automatic air exhaust valve 22, and the automatic air exhaust valve 22 is disposed on the upper sealing cover 14 and is adapted to exhaust air.

Further, in the ultraviolet sterilization apparatus for water treatment disclosed in this embodiment, still include temperature sensor 3 and UV intensity sensor 24, temperature sensor 3 with UV intensity sensor 24 all sets up on the inner wall of barrel 1 and with switch board 233 electricity is connected.

When the ultraviolet sterilization device for water treatment in the embodiment is installed, the lower sealing cover 10 is assembled, then the ball end of the quartz sleeve 5 is inserted into the cup-shaped hole of the lower sealing cover 10, then the UV lamp tube and the support rod are inserted into the quartz sleeve 5, then the upper end of the UV lamp tube is fixed with the sealing sleeve 16, the gland 19 is installed, and finally the connection is carried out to form the complete ultraviolet sterilization device for water treatment.

Further, the present embodiment further provides specifications and models of a liquid level switch 21, a flow switch 20, a temperature sensor 3, and a UV intensity sensor 24, specifically, the liquid level switch 21 of SFYB dual instrument brand DS1 model is adopted, the flow switch 20 of affluent control brand FS-15 model is adopted, the temperature sensor 3 of beijing star instrument brand CWDZ13-01-a1-14-L30-G2 model is adopted, and the UV intensity sensor 24 of germany IL brand SUV20.2Y2C model is adopted, and main components in the control cabinet 23 include: the system comprises a CPU with the model of Siemens brand ST 206 ES7288-1ST20-0AA0, an analog input module with the model of Siemens brand EM AE046ES7288-3AE04-0AA0 and a human-computer interface with the model of Siemens brand Smart 1000IE V36ES7288-3AM03-0AA 0. Of course, other types of components with corresponding functions may also be selected, which is not limited in this embodiment.

In addition, the embodiment also discloses a use method of the structure:

the power supply is connected, a liquid level switch 21 and a flow switch 20 in the ultraviolet sterilization device for water treatment start to detect the liquid level state and the flow state of the pure water in the reactor and send the liquid level state and the flow state to a control cabinet 23, and the control cabinet 23 instructs to start the UV lamp tube when receiving the states that the liquid level switch 21 is connected and the flow switch 20 is connected, so as to start the pure water sterilization in the reactor; the temperature sensor 3 and the UV intensity sensor 24 detect the temperature data and the UV intensity data in the reactor and send the data to the control cabinet 23, and the control cabinet 23 sends the detected temperature value and the detected UV intensity value to a human-computer interface for an operator to observe. When the temperature value is higher than the set temperature, the control cabinet 23 gives an instruction to turn off the UV lamp and indicate the equipment failure.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An ultraviolet ray sterilization apparatus for water treatment, comprising:

a reactor comprising a barrel, a top seal assembly and a bottom seal assembly; the cylinder is cylindrical and is vertically arranged; the top seal assembly and the bottom seal assembly are respectively hermetically mounted with the upper end and the lower end of the cylinder body; the side walls of the upper end and the lower end of the cylinder body are respectively provided with an inlet pipe and an outlet pipe, and the inlet pipes are suitable for connecting the reactor to a conveying pipeline of water treatment equipment;

the lamp tube assembly is arranged in the reactor, the upper end of the lamp tube assembly is connected with the top sealing assembly, and the lower end of the lamp tube assembly is connected with the bottom sealing assembly;

the control assembly comprises a liquid level switch, a flow switch and a control cabinet; the liquid level switch and the flow switch are installed on the inner wall of the upper portion of the barrel body and are respectively electrically connected with the control cabinet, and the control cabinet is electrically connected with the lamp tube assembly.

2. A water treatment ultraviolet sterilization device as set forth in claim 1, wherein the lamp tube assembly comprises a sleeve, a UV lamp tube, a first support rod and a second support rod; the sleeve is a long pipe with an opening at one side, and the UV lamp tube is inserted in the sleeve; the first supporting rod and the second supporting rod are inserted at two ends of the sleeve and are suitable for fixing the UV lamp tube in the sleeve.

3. A water treatment ultraviolet sterilization device as set forth in claim 2, wherein the UV lamp tube includes a quartz lamp tube, a lamp wire and a lamp cap; the lamp wires are connected to two ends of the quartz lamp tube and are suitable for being connected with the control cabinet; the number of the lamp caps is two, and the two lamp caps are respectively connected to two ends of the quartz lamp tube and are suitable for being fixed with the first supporting rod and the second supporting rod.

4. A water treatment ultraviolet ray sterilization apparatus as set forth in claim 3, wherein the bottom sealing assembly comprises an annular base plate and a lower cover; the annular bottom plate and the lower end of the cylinder body are welded into a whole; the lower sealing cover is cup-shaped, the cup bottom of the lower sealing cover is connected with the annular base plate, and the cup body penetrates through the center of the annular base plate and is inserted into the reactor, so that the quartz lamp tube can be inserted through the cup-shaped hole.

5. A water treatment ultraviolet sterilization device as set forth in claim 4, wherein the bottom seal assembly further comprises a first sealing ring and a compression sleeve; the first sealing ring is arranged between the quartz lamp tube and the lower sealing cover; the compressing sleeve is in a hollow cylinder shape, the outer surface of the compressing sleeve is provided with a step surface, and the compressing sleeve is suitable for being matched with the lower sealing cover to compress the first sealing ring.

6. A water treatment ultraviolet sterilization device as defined in claim 5, wherein the bottom seal assembly further comprises a second sealing ring, and the second sealing ring is arranged on the matching surface of the lower cover and the annular bottom plate.

7. A water treatment ultraviolet sterilization device as set forth in claim 3, wherein the top seal assembly comprises an upper seal cover, a seal sleeve and a gland; the upper sealing cover is annular and is suitable for being in sealing connection with the upper end of the cylinder body; the sealing sleeve is cup-shaped, is reversely buckled at the central position of the upper sealing cover and is tightly clamped with the upper end of the lamp tube component, and the bottom of the sealing sleeve is provided with a through hole suitable for the lamp wire to pass through; the gland is installed in the seal cover outside, be suitable for sealed the through-hole.

8. A water treatment ultraviolet sterilization device as set forth in claim 7, wherein a flange is provided at an end of the cylinder, and the flange is compression-connected with the upper cover by means of an eyenut.

9. A water treatment uv sterilizer as claimed in claim 8, wherein the top sealing assembly further comprises an automatic air exhaust valve provided on the upper cover and adapted to exhaust air.

10. An ultraviolet sterilizer for water treatment as claimed in claim 9, further comprising a temperature sensor and a UV intensity sensor, both of which are disposed on the inner wall of the drum and electrically connected with the control cabinet.