CN2796714Y - Counter flow stirring type ultraviolet ray sterilizer - Google Patents
Counter flow stirring type ultraviolet ray sterilizer Download PDFInfo
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- CN2796714Y CN2796714Y CN 200520018005 CN200520018005U CN2796714Y CN 2796714 Y CN2796714 Y CN 2796714Y CN 200520018005 CN200520018005 CN 200520018005 CN 200520018005 U CN200520018005 U CN 200520018005U CN 2796714 Y CN2796714 Y CN 2796714Y
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Abstract
The utility model discloses a disinfecting device used for circulating nutrient solution. The utility model has the technical scheme that the utility model comprises a casing (1) of an ultraviolet disinfector, a quartz sleeve tube (8) is arranged in the center of the casing (1) and an ultraviolet lamp tube (7) is arranged in the quartz sleeve tube (8). A liquid inlet (5) is arranged at one end of the casing (1) and a liquid outlet (4) is arranged at the other end corresponding to the liquid inlet (5). One or a plurality of reflux inlets are arranged on the casing (1) between the liquid inlet (5) and the liquid outlet (4), one end of the reflux inlet is communicated with the inner part of the casing (1) and the other end is communicated with the liquid outlet (4). Compared with the traditional ultraviolet sterilizing and disinfecting device, the utility model has the advantages of homogeneous sterilization and disinfection, good and stable sterilizing and disinfecting effects, high liquid flow rate, large flow capacity and high efficiency, and the utility model can completely satisfy sterilizing and disinfecting requirements for plant pathogenic bacteria in the nutrient solution and enlarge the application range.
Description
Technical field
This utility model relates to a kind of decontaminating apparatus that is used for recirculating nutrient solution.This device is mainly used in vegetable crop when carrying out closed soilless culture, the sterilization before nutritional solution recycles; Also be applicable to when chamber crop is irrigated the sterilization of irrigation water etc.; Be applicable to that also fields such as civilian, medical, scientific experiments are to processing such as water purification, sterilization, sterilizations.
Background technology
In the vegetable facility cultivation,, become a great problem in the cultivation owing to the accumulation of salinity in the soil and the root disease and pest that mostly occurs causes continuous cropping obstacle.For this reason, the area of nutrient fluid cultivation constantly increases in China.Utilize nutrient fluid cultivation to carry out vegetable production, can obtain the good quality and high output product, and growth promoter is fast, rare disease, especially soil-borne disease are seldom.But root disease usually takes place in actual production, as Fructus Lycopersici esculenti droop, bacterial wilt take place, eqpidemic disease etc. takes place in Fructus Cucumidis sativi.In a single day this class disease takes place in root, and just diffusion rapidly in nutritional solution of pathogen is propagated very soon between crop, so that causes serious harm.Causing the disease control of very big harm to infecting crop root, become the key subjects in the nutrient fluid cultivation, also is simultaneously one of major obstacle of popularizing nutrient fluid cultivation.
There are some chemical pesticides can be dissolved in the generation that nutritional solution suppresses disease, but only a kind of pathogen is worked because a kind of medicament is general, and the medicament that is dissolved in the nutritional solution is easy to be absorbed and remains in the plant, thereby human beings'health is constituted a threat to.
In recent years, along with improving constantly of living standard, the development pollution-less agriculture is had very strong cry, people need have free of contamination, green " quality-assured vegetables ".Therefore, the use of pesticide can more and more be restricted from now on.In addition, in the actual cultivation, usually exhausted nutritional solution is taked disposable depleted method, but owing to contain NO in the nutritional solution
3 -Base and other chemical substances, harmony in the exterior subsoil water pollutes over the ground.Simultaneously, the disposable of nutritional solution discards, and also is the significant wastage of water and fertilizer.This just requires nutritional solution to recycle.
In wastewater treatment and urban pipe network water system, the main physical sterilization method that adopts has ultraviolet, ozone, chlorine, filtration etc.
The mechanism of ultraviolet sterilization is: the ultraviolet of wavelength 253.7nm, be the wavelength that the protein of antibacterial, virus and nucleic acid can strong absorption, can make protein generation degeneration disassociation, form thymine dimer in the nucleic acid, dna structure and function are damaged, thereby cause antibacterial, virus death.Ultraviolet sterilization have to all strains effectively, need not Xiang Shuizhong and add medicament, can not change the chemical constituent of water, can not cause advantage such as any pollution water.Therefore, field such as civilian, medical, industrial, scientific experiments such as purification that is widely used in drinking water, sewage.
Yet ultraviolet penetration capacity is relatively poor, and particularly in liquid, general liquid bed thickness is less than 5cm.The subject matter that traditional apparatus for ultraviolet disinfection exists is: 1. in disinfecting process, liquid is laminar flow substantially, usually be to differ greatly, thereby cause that sterilizing is inhomogeneous, weak effect, instability near the ultraviolet dosage that the liquid of housing and liquid near ultraviolet lamp tube are subjected to; 2. flow rate of liquid is slower, and efficient is lower; 3. owing to kill phytopathogen, need higher ultraviolet irradiating dose, be not suitable for the sterilizing of agriculture soilless culture field to the phytopathogen in the nutritional solution, range of application is restricted.
The utility model content
The purpose of this utility model is exactly that a kind of novel backflow stirring-type apparatus for ultraviolet disinfection will be provided, make its have simple in structure, pollution-free, disinfection effect is good, efficient is high, energy savings, simple operation and other advantages.
For reaching the technical scheme that the purpose of this utility model is taked, comprise the housing 1 of ultraviolet ray disinfector, be provided with quartz socket tube 8 at the center at housing 1, in quartz socket tube 8, be provided with ultraviolet lamp tube 7, end at housing 1 is provided with inlet 5, be provided with liquid outlet 4 at the other end relative with inlet 5, it is characterized in that, on the housing 1 between inlet 5 and the liquid outlet 4, be provided with one or more backflow imports, one end of backflow import communicates with housing 1 inside, and its other end communicates with liquid outlet 4.
In the above-mentioned backflow stirring-type apparatus for ultraviolet disinfection, when backflow import when being a plurality of, they be distributed on housing 1 around.
In the above-mentioned backflow stirring-type apparatus for ultraviolet disinfection, described backflow import is divided into two groups, i.e. 4 backflow front ends import 2 and 4 backflow rear end imports 3.
This utility model is compared with the traditional UV sterilization and disinfection device, has following advantage:
1. after the liquid behind the disinfection by ultraviolet light flowed out from liquid outlet 4, some was guided by pipeline, enters the backflow import respectively.Like this, since the flow direction of backflow fluid with enter from inlet, the flow direction of disinfectant liquid is not vertical, to cause liquid turbulization, eddy current in the housing 1, make and constantly carry out convection current near the liquid of housing 1 and the liquid of close quartz socket tube 8, thereby the ultraviolet dosage difference that the liquid in the housing 1 is subjected to is less, and sterilizing is even, effective, stable;
2. because liquid turbulence, the ultraviolet dosage difference that the liquid in the whole housing 1 is subjected to is little, and sterilizing is even, just flow rate of liquid can be accelerated, the flow increasing, improves the efficient of whole device;
3. because the particularity of phytopathogen needs higher ultraviolet irradiating dose it could be killed.And present traditional apparatus for ultraviolet disinfection, the mobile of liquid is laminar flow substantially in the housing, irradiation time, the more powerful uviol lamp of length just can meet the demands.Therefore, be not suitable for the sterilizing of agriculture soilless culture field to the phytopathogen in the nutritional solution.This backflow stirring-type ultraviolet radiation for sterilizing and disinfecting device, the structure of modification through to the traditional UV sterilization and disinfection device can satisfy the sterilizing requirement to the phytopathogen in the nutritional solution fully, has enlarged range of application.
Description of drawings
Fig. 1 is the structural representation of this backflow stirring-type ultraviolet ray disinfector;
Fig. 2 is provided with sketch map for the backflow import.
Specific embodiment
Below in conjunction with Fig. 1 and Fig. 2, describe concrete structure of the present utility model in detail.
As illustrated in fig. 1 and 2,1 is the housing of ultraviolet ray disinfector, and the optional rustless steel of its material, 2 is that backflow front end import, 3 is that backflow rear end import, 4 is that liquid outlet, 5 is that inlet, 7 is that ultraviolet lamp tube, 8 is quartz socket tube.Water pump with liquid pressurize to be sterilized after, enter in the housing 1 from inlet 5 with certain flow.Flow in the cavity that liquid to be sterilized forms between housing 1 and quartz socket tube 8, accept ultraviolet irradiation, carry out disinfection.Then, flow out by liquid outlet 4.Liquid behind disinfection by ultraviolet light, some is guided by pipeline, enters 4 backflow front ends import 2 and 4 backflow rear end imports 3 respectively.Like this, since the flow direction of backflow fluid with enter (having represented that respectively a backflow enters the backflow import for Fig. 1) from inlet 5, the flow direction of disinfectant liquid is not vertical, to cause liquid turbulization, eddy current in the housing 1, make and constantly carry out convection current near the liquid of housing 1 and the liquid of close quartz socket tube 8, thereby the ultraviolet dosage difference that the liquid in the housing 1 is subjected to is less, and sterilizing is even, effective, stable.
This utility model is specially adapted to agriculture soilless culture field nutritional solution when recycling, and wherein phytopathogen is carried out sterilizing; Also be applicable to when chamber crop is irrigated the sterilization of irrigation water etc.; Be applicable to that also fields such as civilian, medical, scientific experiments are to processing such as water purification, sterilization, sterilizations.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although this utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (3)
1, a kind of backflow stirring-type apparatus for ultraviolet disinfection, comprise the housing (1) of ultraviolet ray disinfector, be provided with quartz socket tube (8) at the center at housing (1), in quartz socket tube (8), be provided with ultraviolet lamp tube (7), end at housing (1) is provided with inlet (5), be provided with liquid outlet (4) at the other end relative with inlet (5), it is characterized in that, on the housing (1) between inlet (5) and the liquid outlet (4), be provided with one or more backflow imports, one end of this backflow import communicates with housing (1) inside, and its other end communicates with liquid outlet (4).
2, backflow stirring-type apparatus for ultraviolet disinfection according to claim 1 is characterized in that, when backflow import when being a plurality of, they be distributed on housing (1) around.
3, backflow stirring-type apparatus for ultraviolet disinfection according to claim 1 and 2 is characterized in that, described backflow import is divided into two groups, i.e. 4 backflow front ends import (2) and 4 backflow rear end imports (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520018005 CN2796714Y (en) | 2005-04-29 | 2005-04-29 | Counter flow stirring type ultraviolet ray sterilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520018005 CN2796714Y (en) | 2005-04-29 | 2005-04-29 | Counter flow stirring type ultraviolet ray sterilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2796714Y true CN2796714Y (en) | 2006-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520018005 Expired - Fee Related CN2796714Y (en) | 2005-04-29 | 2005-04-29 | Counter flow stirring type ultraviolet ray sterilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2796714Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104872278A (en) * | 2015-06-10 | 2015-09-02 | 中国农业大学 | System and method for killing microorganisms and ova in grains by utilizing superheated steam |
| CN106332695A (en) * | 2016-08-26 | 2017-01-18 | 王彦春 | Greenhouse automatic vegetable irrigation device |
| CN107036220A (en) * | 2012-03-06 | 2017-08-11 | 戴森技术有限公司 | Humidification device |
| US10612565B2 (en) | 2013-01-29 | 2020-04-07 | Dyson Technology Limited | Fan assembly |
-
2005
- 2005-04-29 CN CN 200520018005 patent/CN2796714Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036220A (en) * | 2012-03-06 | 2017-08-11 | 戴森技术有限公司 | Humidification device |
| US10563875B2 (en) | 2012-03-06 | 2020-02-18 | Dyson Technology Limited | Humidifying apparatus |
| CN107036220B (en) * | 2012-03-06 | 2022-06-14 | 戴森技术有限公司 | Humidifying device |
| US10612565B2 (en) | 2013-01-29 | 2020-04-07 | Dyson Technology Limited | Fan assembly |
| CN104872278A (en) * | 2015-06-10 | 2015-09-02 | 中国农业大学 | System and method for killing microorganisms and ova in grains by utilizing superheated steam |
| CN104872278B (en) * | 2015-06-10 | 2018-07-06 | 中国农业大学 | A kind of System and method for for killing cereal microorganism and worm's ovum |
| CN106332695A (en) * | 2016-08-26 | 2017-01-18 | 王彦春 | Greenhouse automatic vegetable irrigation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060719 |