CN213834882U

CN213834882U - Ultraviolet disinfection ceramic membrane purifier

Info

Publication number: CN213834882U
Application number: CN202022046353.9U
Authority: CN
Inventors: 陈锋; 蒋惠忠; 陈文松
Original assignee: Zhejiang Tianxingjian Water Co ltd
Current assignee: Zhejiang Tianxingjian Water Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-07-30
Anticipated expiration: 2030-09-17

Abstract

The application provides an ultraviolet disinfection ceramic membrane purifier belongs to water, sewage or waste water multistage processing technology field that includes chemical treatment process. The filter comprises a shell, an upper partition plate, a lower partition plate and a ceramic membrane tube, wherein a first water inlet is formed in the upper end of the shell, a water outlet is formed in the lower end of the shell, the ceramic membrane tube is arranged between the upper partition plate and the lower partition plate, and a first water outlet is formed in the shell between the upper partition plate and the lower partition plate; the sterilizer comprises a cavity wall and an LED ultraviolet lamp tube, wherein a water inlet is formed in the side wall of the cavity wall, a water outlet II is formed in the bottom of the cavity wall, the LED ultraviolet lamp tube is arranged in a closed cavity formed by the cavity wall through a lamp holder and is connected with a power adapter serving as a power supply through an electric wire, and the water outlet I is communicated with the water inlet II through a connecting pipe. The water purifier is applied to purifying water quality, and has the advantages of high sterilization rate, high purification efficiency, safety in use, no secondary pollution, low filter element loss and the like.

Description

Ultraviolet disinfection ceramic membrane purifier

Technical Field

The application relates to an ultraviolet disinfection ceramic membrane purifier, which belongs to the technical field of multi-stage treatment of water, sewage or wastewater containing a chemical treatment process.

Background

Urban water supply generally adopts river and lake water or underground water, is added with medicaments by a tap water plant, is treated by processes of precipitation, adsorption, filtration, disinfection and the like, and is delivered to users through a pipe network. The problems of pipeline rust, microbial pollution and the like exist in long-distance water delivery pipelines, and the requirements of people on high-quality drinking water at present cannot be met. In some rural remote areas, the water supply pipe network cannot reach due to the fact that people are far away from towns and the population is rare, and the sanitary problem of drinking water is more prominent.

In view of the above problems, a common solution is to filter tap water or raw water using a water purifier. The water purifier on the existing market has a complex structure, the filter element is composed of an organic membrane, self-cleaning cannot be carried out, the service life is short, the filter element needs to be replaced regularly, and secondary pollution is easily caused when the filter element is not replaced in time.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides an ultraviolet disinfection ceramic membrane purifier, combines ceramic membrane filtration, ultraviolet ray disinfection as an organic whole, utilizes ceramic membrane filtration and ultraviolet ray disinfection to solve the sanitary safety problem of drinking water.

Specifically, the method is realized through the following scheme:

an ultraviolet disinfection ceramic membrane water purification device comprises a filter, a sterilizer and a power adapter, wherein the filter comprises a shell, an upper partition plate, a lower partition plate and a ceramic membrane tube, the upper end of the shell is provided with a first water inlet, the lower end of the shell is provided with a water outlet, the upper partition plate and the lower partition plate are respectively transversely arranged at different heights in the shell, the ceramic membrane tube is arranged between the upper partition plate and the lower partition plate, and the shell between the upper partition plate and the lower partition plate is provided with a first water outlet; the sterilizer comprises a cavity wall and an LED ultraviolet lamp tube, wherein a second water inlet is formed in the side wall of the cavity wall, a second water outlet is formed in the bottom of the cavity wall, the LED ultraviolet lamp tube is arranged in a closed cavity formed by the cavity wall through a lamp holder and is connected with a power adapter serving as a power supply through a wire, and the first water outlet is communicated with the second water inlet through a connecting pipe.

The water purification operation of this application mainly goes on in two spaces of filter and sterilizer, and the moisture in the filter is three: unfiltered raw water, filtered clean water, filtered residual water. Raw water enters from the first water inlet, and through the water pressure of the inlet water, the raw water can be subjected to molecular-level filtration by using the ceramic membrane tube, so that filtered clean water is obtained and flows out from the first water outlet; various impurities in the raw water are left in the channel to filter the residual water and flow out through the discharge port, so that the raw water can be used as daily washing water; the filtered clean water enters the sterilizer through the water inlet pipe II, the alternating voltage is changed into the safe voltage by the power adapter (preferably with the functions of overcurrent protection and fault alarm indication), the light emitting diode of the LED ultraviolet lamp tube is driven, the nucleic acid and DNA of the microorganism can be effectively destroyed through the ultraviolet irradiation of the LED ultraviolet lamp tube, so that the microorganism loses the functions of reproduction and self-replication and is killed, and the purposes of ultraviolet sterilization and disinfection are achieved, and finally, the clean water flows out of the water outlet pipe II and is used as safe and sanitary drinking water.

In the process, part of clean water is separated, and meanwhile, raw water flows as normal as much as possible to enable dirt to be taken away in time along with water flow, so that the flowing water is not rotten, the clean water is obtained, the dirt cannot or cannot be easily precipitated in the filter, secondary pollution is avoided, filter element loss is greatly reduced, water quality is better and safer, and energy is saved and low carbon is achieved.

Further, as preferable:

the LED ultraviolet lamp tube is a deep ultraviolet 275nm light-emitting diode, and compared with the traditional cold cathode lamp, the LED ultraviolet lamp tube can save energy by 80%, has no common harmful substances in metal gas luminescence, has the service life of more than 10000 hours, and can be started instantly.

The working voltage of the LED ultraviolet lamp tube is safe voltage, such as 24V and 12V, so that the safety problem caused by the fact that the 220V alternating voltage of the traditional ultraviolet lamp tube is broken and the sealing is poor can be avoided. Preferably, the LED ultraviolet lamp tube comprises a quartz glass shell, and an LED circuit board and a filling layer which are arranged in the quartz glass shell, wherein the two LED circuit boards are arranged and separated at two sides of the filling layer, and the LED circuit board is tightly attached to the quartz glass shell and directly immersed in water, so that the heating and heat dissipation problems of the LED are solved.

The shell is preferably made of transparent wading materials, and the water quality condition can be observed.

The cavity wall is preferably made of opaque water-proof stainless steel to prevent ultraviolet rays from leaking.

The connecting pipe is a connecting hose so as to facilitate length adaptation.

The lamp holder passes through gland nut to be fixed on the chamber wall, more preferably, the chamber wall top is provided with the mounting hole, and after the lamp holder suit seal cover, is fixed in the chamber wall top by gland nut.

The ceramic membrane tube is of a filter element structure, or the ceramic membrane tube is of a three-layer structure, wherein the innermost layer is a thicker support layer, the middle layer is a transition layer, the outer layer is a membrane layer, the aperture of the support layer is generally 1-20 mu m, the porosity is 30% -65%, and the ceramic membrane tube has the function of increasing the mechanical strength of the membrane; the aperture of the transition layer is smaller than that of the support layer, the function of the transition layer is to prevent the particles from permeating into the porous support layer in the preparation process of the membrane layer, the thickness is about 20-60 mu m, and the porosity is 30-40%; the membrane layer has the separation function, the aperture is different from 0.8nm to 1 μm, the thickness is about 3 to 10 μm, and the porosity is 40 to 55 percent. The pore size distribution of the whole ceramic membrane tube is gradually reduced from the supporting layer to the membrane layer to form asymmetric structure distribution, and substances which are larger than the pore size, including most of bacteria and viruses, can be filtered.

The application provides a purifier combines ceramic membrane to strain with ultraviolet disinfection, and ceramic membrane is strong acid and alkali resistant, high temperature resistant, and whole service life is long, and the operation is stable, maintains simply, and the capability recovery is easy, and the water yield is high, and the backwash time is short. The ultraviolet disinfection has the characteristics of no color, no smell and no chemical substance residue, and mainly destroys nucleic acid and DNA of microorganisms (pathogens such as bacteria, viruses, spores and the like) through radiation to ensure that the microorganisms lose the functions of reproduction and self-replication and die, thereby achieving the purposes of ultraviolet sterilization and disinfection. Compared with the traditional cold cathode lamp, the LED 275nm deep ultraviolet light-emitting diode saves energy by 80%, has no common harmful substances in metal gas luminescence, has the service life of more than 10000 hours, and can be started instantly.

Drawings

FIG. 1 is a schematic structural cross-sectional view of the present application;

FIG. 2 is a schematic cross-sectional view of the LED UV lamp of FIG. 1;

fig. 3 is a schematic structural diagram of a ceramic membrane tube according to the present application.

Reference numbers in the figures: 1. a filter; 11. a housing; 12. an upper partition plate; 13. a lower partition plate; 14. a ceramic membrane tube; 141. a film layer; 142. a transition layer; 143. a support layer; 15. a first water inlet; 16. a first water outlet; 17. a water outlet; 2. a sterilizer; 21. a chamber wall; 22, LED ultraviolet lamp tube; 221. a quartz glass envelope; an LED circuit board 222; 223. a filling layer; 23. a lamp socket; 24. a water inlet II; 25. a water outlet II; 3. a power adapter; 4. a connecting pipe; 5. an electric wire; 6. a compression nut; 7. and (5) sealing the sleeve.

Detailed Description

The water purifying device with the ultraviolet disinfection ceramic membrane comprises a filter 1, a disinfector 2 and a power adapter 3, and is combined with a figure 1.

The filter 1 comprises a shell 11, an upper partition plate 12, a lower partition plate 13 and a ceramic membrane tube 14, wherein a first water inlet 15 is formed in the upper end of the shell 11, a water outlet 17 is formed in the lower end of the shell, the upper partition plate 12 and the lower partition plate 13 are respectively transversely arranged at different heights in the shell 11, the ceramic membrane tube 14 is installed between the upper partition plate 12 and the lower partition plate 13, and a first water outlet 16 is formed in the side wall, corresponding to the shell 11, between the upper partition plate 12 and the lower partition plate 13.

The sterilizer 2 comprises a cavity wall 21 and an LED ultraviolet lamp tube 22, wherein a water inlet II 24 is formed in the side wall of the cavity wall 21, a water outlet II 25 is formed in the bottom of the cavity wall 21, and the LED ultraviolet lamp tube 22 is arranged in a closed cavity formed by the cavity wall 21 through a lamp holder 23.

The first water outlet 16 and the second water inlet 24 are communicated through a connecting pipe 4.

The LED ultraviolet lamp tube 22 is connected with the power adapter 3 through the lamp holder 23 and the wire 5, and the power adapter 3 converts 220 alternating voltage into proper safe voltage to be used as power supply to be transmitted to the LED ultraviolet lamp tube 22.

The water purification operation of the present application is mainly performed in two spaces of the filter 1 and the sterilizer 2, the filter 1 is divided into three regions by the upper partition plate 12, the lower partition plate 13 and the ceramic membrane tube 14, and the corresponding water entering the filter 1 is also divided into three types: unfiltered raw water, filtered clean water, filtered residual water. Raw water enters from the first water inlet 15, and through the water pressure of the inlet water, the ceramic membrane tube 14 can be used for filtering the raw water at a molecular level, so that filtered clean water is obtained and flows out from the first water outlet 16; various impurities in the raw water are left in the channel to filter the residual water and flow out through the discharge port 17, so that the raw water can be used as daily washing water; the filtered clean water enters the sterilizer 2 through the connecting pipe 4 and the water inlet pipe two 24, the power adapter 3 (preferably with the functions of overcurrent protection and fault alarm indication) changes the alternating voltage into the safe voltage to drive the light emitting diode of the LED ultraviolet lamp tube 22 to work, the nucleic acid and DNA of the microorganism can be effectively destroyed through the ultraviolet irradiation of the LED ultraviolet lamp tube 22, the microorganism loses the functions of propagation and self-replication and is killed, so that the purposes of ultraviolet sterilization and disinfection are achieved, and finally the clean water flows out of the water outlet two 25 and is used as safe and sanitary drinking water.

Alternatively: the working voltage of the LED ultraviolet lamp tube 22 is safe voltage, such as 24V and 12V, so that the safety problem caused by the fact that the lamp tube is broken and the sealing is poor when the 220V alternating voltage of the traditional ultraviolet lamp is used is avoided.

Preferably: the LED ultraviolet lamp tube 22 is a deep ultraviolet 275nm light-emitting diode, saves energy by 80 percent compared with the traditional cold cathode lamp, has no common harmful substances in metal gas luminescence, has the service life of more than 10000 hours, and can be started instantly.

With reference to fig. 2, the LED ultraviolet lamp 22 includes a quartz glass casing 221, and an LED circuit board 223 and a filling layer 222 mounted in the quartz glass casing 221, and the two LED circuit boards 223 are disposed on two sides of the filling layer 222, and since the LED circuit board 223 is tightly attached to the quartz glass casing 221, and the LED ultraviolet lamp 22 is directly immersed in water, the problem of heat generation and heat dissipation of the LED is solved.

Alternatively: the connecting pipe 4 is a connecting hose to facilitate length adaptation and assembly.

Alternatively: referring to fig. 1, the lamp base 23 is fixed to the cavity wall 21 by means of the gland nut 6,

preferably: the top of the cavity wall 21 is provided with a mounting hole (not marked in the figure), and the lamp holder 23 is fixed on the top of the cavity wall 21 by a gland nut 7 after being sleeved on the gland bush 6.

In the scheme, the method comprises the following steps: the housing 11 is preferably made of transparent wading material, so that the water quality can be observed.

The chamber wall 21 is preferably made of opaque stainless steel for preventing ultraviolet light from leaking.

The ceramic membrane tube 14 can be directly provided with a filter element, or as shown in fig. 3, the tube wall of the ceramic membrane tube 14 adopts a three-layer structure, the innermost layer is a thicker support layer 143, the middle layer is a transition layer 142, the outer layer is a membrane layer 141, the aperture of the support layer 143 is generally 1-20 μm, the porosity is 30% -65%, and the function of the support layer is to increase the mechanical strength of the membrane; the transition layer 142 has a smaller pore size than the support layer 143, and functions to prevent particles from penetrating into the porous support layer 143 during the preparation of the membrane layer 141, and has a thickness of about 20-60 μm and a porosity of 30-40%; the film layer 141 has a separation function, the pore diameter is different from 0.8nm to 1 μm, the thickness is about 3 to 10 μm, and the porosity is 40 to 55 percent. The pore size distribution of the whole ceramic membrane tube 14 is gradually reduced from the support layer 143 to the membrane layer 141 to form asymmetric structure distribution, and substances larger than the pore size, including most of bacteria and viruses, can be filtered.

The water purifying device provided by the application combines the ceramic membrane filtration and the ultraviolet disinfection, the ceramic membrane tube 14 is resistant to strong acid, strong alkali and high temperature, the whole service life is long, the operation is stable, the maintenance is simple, the performance recovery is easy, the water yield is high, and the backwashing time is short; the ultraviolet disinfection has the characteristics of no color, no smell and no chemical substance residue, and mainly destroys nucleic acid and DNA of microorganisms (pathogens such as bacteria, viruses, spores and the like) through radiation to ensure that the microorganisms lose the functions of reproduction and self-replication and die, thereby achieving the purposes of ultraviolet sterilization and disinfection.

Claims

1. An ultraviolet disinfection ceramic membrane purifier which is characterized in that: the filter comprises a shell, an upper partition plate, a lower partition plate and a ceramic membrane tube, wherein the upper end of the shell is provided with a first water inlet, the lower end of the shell is provided with a water outlet, the upper partition plate and the lower partition plate are respectively and transversely arranged at different heights in the shell, the ceramic membrane tube is arranged between the upper partition plate and the lower partition plate, and the shell between the upper partition plate and the lower partition plate is provided with a first water outlet; the sterilizer comprises a cavity wall and an LED ultraviolet lamp tube, wherein a second water inlet is formed in the side wall of the cavity wall, a second water outlet is formed in the bottom of the cavity wall, the LED ultraviolet lamp tube is arranged in a closed cavity formed by the cavity wall through a lamp holder and is connected with a power adapter serving as a power supply through a wire, and the first water outlet is communicated with the second water inlet through a connecting pipe.

2. The uv disinfecting ceramic membrane water purification apparatus according to claim 1, wherein: the LED ultraviolet lamp tube is a deep ultraviolet 275nm light-emitting diode.

3. The uv disinfecting ceramic membrane water purification apparatus according to claim 1, wherein: the working voltage of the LED ultraviolet lamp tube is 24V or 12V.

4. The uv disinfecting ceramic membrane water purification apparatus according to claim 1, wherein: the LED ultraviolet lamp tube comprises a quartz glass shell, and an LED circuit board and a filling layer which are arranged in the quartz glass shell, wherein two LED circuit boards are arranged and are separated from two sides of the filling layer.

5. The uv disinfecting ceramic membrane water purification apparatus according to claim 1, wherein: the lamp holder is fixed on the cavity wall through a compression nut.

6. An ultraviolet disinfection ceramic membrane water purification device as claimed in claim 5, wherein: the lamp holder is sleeved with the sealing sleeve and then fixed to the top of the cavity wall through the compression nut.

7. The uv disinfecting ceramic membrane water purification apparatus according to claim 1, wherein: the shell is a transparent wading shell.

8. The uv disinfecting ceramic membrane water purification apparatus according to claim 1, wherein: the cavity wall is an opaque wading stainless steel cavity wall.

9. The uv disinfecting ceramic membrane water purification apparatus according to claim 1, wherein: the connecting pipe is a connecting hose.

10. An ultraviolet disinfecting ceramic membrane water purification device as claimed in any one of claims 1 to 9, wherein: the pipe wall of the ceramic membrane pipe sequentially comprises a supporting layer, a transition layer and a membrane layer from inside to outside, the aperture of the supporting layer is 1-20 mu m, and the porosity is 30% -65%; the aperture of the transition layer is smaller than that of the support layer, the thickness is 20-60 mu m, and the porosity is 30-40%; the aperture of the film layer is 0.8nm-1 μm, the thickness is 3-10 μm, and the porosity is 40% -55%.