CN209554832U - A kind of photolysis system - Google Patents
A kind of photolysis system Download PDFInfo
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- CN209554832U CN209554832U CN201822230948.2U CN201822230948U CN209554832U CN 209554832 U CN209554832 U CN 209554832U CN 201822230948 U CN201822230948 U CN 201822230948U CN 209554832 U CN209554832 U CN 209554832U
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- ultraviolet lamp
- water sample
- photodissociation
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Abstract
The utility model discloses a kind of photolysis systems, are related to water-treatment technology field.The photolysis system includes ultraviolet lamp and casing, and ultraviolet lamp and casing are erect and placed, and ultraviolet lamp is inserted into casing by when photodissociation, and seepy question is not present, avoids using hooping device and then avoids sealing problem, while anti-locking apparatus aging leak, electric leakage.It include water sample space between ultraviolet lamp and casing.Each component of photolysis system is independent, easy to clean.
Description
Technical field
The utility model relates to water-treatment technology fields, more particularly to a kind of photolysis system.
Background technique
Vacuum ultraviolet (VUV) is wavelength in a series of 200nm ultraviolet lights below, can be had in efficient mineralising decomposition water
Machine object.On the one hand specific mechanism is that the wavelength of VUV is short, energy is high, and the fracture of organic-matter chemical key can directly be made to generate decomposition；It is another
Aspect is that the other materials such as the oxygen in hydrone and water can generate under VUV effect and a series of have strong oxidizing property or strong
The free radical of reproducibility, such as hydroxyl radical free radical, water and electronics, super oxygen root free radical, these free radicals can will be organic in water
Object mineralising is decomposed.
Because VUV wavelength is short, energy is strong, so substance is all very high to its absorbance, be easy to cause the loss of VUV.Example
If water has very strong absorbability to VUV, so VUV can decay rapidly in water, it is strong by 5.5 millimeters of propagation distance VUV light
Loss late will be more than 95%.
The prior art adds a single layer casing with hooping device outside low pressure mercury lamp, by the outer wall and casing of lamp
The space that wall is formed waits for that photodissociation water sample, water sample can be contacted directly with lamp.But there are hooping devices to be easy aging leak
Problem, and the outer wall of common low pressure mercury lamp has the electric wire of connection lamp two end electrodes, directly puts electric wire in photolysis step
It sets in photodissociation water sample, is prone to accidents.
Utility model content
The purpose of the utility model is to provide a kind of photolysis system, solve the problems, such as that device is easy to happen electric leakage.
To achieve the above object, the utility model provides following scheme:
A kind of photolysis system, comprising: ultraviolet lamp and casing；The ultraviolet lamp is U-shaped low pressure mercury lamp, and described sleeve pipe is U-shaped
Casing；
The ultraviolet lamp and described sleeve pipe, which are erect, places, and the ultraviolet lamp is inserted into described sleeve pipe by when photodissociation, and described
Water sample space is formed between casing, the water sample space is used to place the water sample to photodissociation.
Optionally, the ultraviolet lamp includes: fluorescent tube, lamp holder and electric wire；
The fluorescent tube is fixedly connected with the lamp holder；
The fluorescent tube includes that positive electricity end and negative electricity are extreme, and the positive electricity end and the negative electricity are extremely respectively positioned on the U
The opening of type low pressure mercury lamp, the positive electricity end are the positive electrode of the ultraviolet lamp, and the negative electricity is extremely the ultraviolet lamp
Negative electrode, the positive electrode and the negative electrode connect with the electric wire, the positive electrode, the negative electrode and the electricity
The junction of line is located in the lamp holder, and the electric wire is used to the positive electrode and the negative electrode being connected respectively confession
The both ends of power supply.
Optionally, the fluorescent tube protrudes into described sleeve pipe, and when photodissociation directly contacts with the water sample；
The lamp holder is located at the outside of described sleeve pipe.
It optionally, include mercury vapour in the fluorescent tube, the material of the fluorescent tube is quartz glass.
Optionally, the interface of the fluorescent tube and the lamp holder is using the glass capsulation melted.
Optionally, described sleeve pipe includes: quartz layer, specular layer and external protection；
The inner surface of the quartz layer is contacted with the water sample space；The outer surface of the quartz layer and the specular layer
Inner surface contact, the outer surface of the specular layer is contacted with the inner surface of the external protection.
Optionally, the quartz layer is transparent quartz glass；
The specular layer is silver or aluminium；
The external protection is composite material.
Optionally, the composite material is translucent material.
According to specific embodiment provided by the utility model, the utility model discloses following technical effects:
The utility model discloses a kind of photolysis systems；The photolysis system includes ultraviolet lamp and casing, ultraviolet lamp and casing
It erects and places, ultraviolet lamp is inserted into casing when photodissociation, seepy question is not present, avoid using hooping device and then avoid close
Envelope problem, while anti-locking apparatus aging leak, are also prevented from and the electric wire of ultraviolet lamp outer wall are wrapped in photocatalytic water in the prior art
The problem of easily leaking electricity in sample；The sealing joint of fluorescent tube and lamp holder can be guaranteed into waterproof effect by hot melt glass；Fluorescent tube
Interface waterproof, can allow hydraulically full in photolysis system, avoid air from existing and generate ozone.Include between ultraviolet lamp and casing
Water sample space.By the mirror-reflection of the lamella space and casing of direct insertion U-shaped fluorescent tube and casing composition, photodissociation effect is improved
Rate, lamella space waste water photochemical catalytic oxidation are safe, easy-to-use, efficient.The utility model further includes following technical effect:
1, each component of photolysis system is independent, easy to clean；
It 2, can be by water sample long-time for complicated, various different water samples using fixed water sample photodissociation mode
Photodissociation reaches higher transformation efficiency, can arbitrarily adjust the photolysis period of water sample；
3, convenient for being verified to photolysis system；Convenient for determining the stability of equipment；Whether convenient for the different water samples of determination
Thorough photodissociation；Improve the Stability and veracity of entire testing process.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structure chart of the utility model embodiment photolysis system；
Fig. 2 is the structure chart of the utility model embodiment ultraviolet lamp；
Fig. 3 is the top view of the utility model embodiment casing；
Fig. 4 is the cross-sectional view of the utility model embodiment casing.
Wherein, 1, ultraviolet lamp；2, casing；3, water sample space；4, fluorescent tube；5, lamp holder；6, electric wire；7, quartz layer；8, mirror surface
Layer；9, external protection；10, interface.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Embodiment 1
The present embodiment provides a kind of photolysis systems.Fig. 1 is the structure chart of the utility model embodiment photolysis system.Referring to figure
1, which includes: ultraviolet lamp 1 and casing 2；Ultraviolet lamp 1 is U-shaped low pressure mercury lamp, and casing 2 is U-shaped casing.
Ultraviolet lamp 1 and casing 2, which are erect, to be placed, and ultraviolet lamp 1 is inserted into casing 2 by when photodissociation, forms water sample between casing 2
Space 3, water sample space 3 are used to place the water sample to photodissociation.
Fig. 2 is the structure chart of the utility model embodiment ultraviolet lamp 1.Referring to fig. 2, ultraviolet lamp 1 includes: fluorescent tube 4, lamp holder 5
With electric wire 6.
Fluorescent tube 4 includes that positive electricity end and negative electricity are extreme, and positive electricity end and negative electricity are extremely respectively positioned on the opening of U-shaped low pressure mercury lamp
Place, positive electricity end are the positive electrode of ultraviolet lamp 1, and negative electricity is extremely the negative electrode of ultraviolet lamp 1, and positive electrode and negative electrode are and electric wire
6 connections, the junction of positive electrode, negative electrode and electric wire 6 are located in lamp holder 5, and electric wire 6 is used for positive electrode and negative electrode is right respectively
The both ends of power supply should be connected to.
Fluorescent tube 4 is fixedly connected with lamp holder 5.The interface 10 of fluorescent tube 4 and lamp holder 5 is using the glass capsulation melted.
It include mercury vapour in fluorescent tube 4, the material of fluorescent tube 4 is quartz glass.
Fluorescent tube 4 protrudes into casing 2, and when photodissociation directly contacts with water sample, and lamp holder 5 is located at the outside of casing 2.
Fig. 3 is the top view of the utility model embodiment casing 2；Fig. 4 is the section view of the utility model embodiment casing 2
Figure.Referring to Fig. 3 and Fig. 4, casing 2 includes: quartz layer 7, specular layer 8 and external protection 9.
The inner surface of quartz layer 7 is contacted with water sample space 3；The outer surface of quartz layer 7 is contacted with the inner surface of specular layer 8,
The outer surface of specular layer 8 is contacted with the inner surface of external protection 9.
Quartz layer 7 is transparent quartz glass, and specular layer 8 is silver or aluminium, and external protection 9 is composite material, composite material
Translucent material can be selected.
Embodiment 2
The present embodiment proposes a kind of photolysis system, including ultraviolet lamp and casing.Ultraviolet lamp and casing, which are erect, to be placed, when photodissociation
Ultraviolet lamp is inserted into casing, forms water sample space between casing, water sample space is used to place the water sample to photodissociation.
Ultraviolet lamp is U-shaped low pressure mercury lamp.Ultraviolet lamp includes: fluorescent tube, lamp holder and electric wire.Fluorescent tube is fixedly connected with lamp holder, lamp
The interface of pipe and lamp holder is using the glass capsulation melted.Conventional fluorescent tube is non-watertight herein, directly contacts water sample and easily leaks electricity initiation
It is dangerous.Sealing joint can be guaranteed into waterproof effect by hot melt glass.The photodissociation of 185nm length ultraviolet is because of nothing in the prior art
Method avoids in reactor there are air, and when photodissociation can generate a large amount of ozone, and photodissociation need to be carried out in the environment of ventilation, can not be normal
It is used under rule experiment condition.The interface of the fluorescent tube of the present embodiment and lamp holder seals waterproof, can allow hydraulically full in casing, keeps away
Exempt from air and there is generation ozone.
The fluorescent tube of U-shaped low pressure mercury lamp includes both ends, and both ends are respectively positioned on the opening of U-shaped low pressure mercury lamp, and one end is positive electrode,
The other end is negative electrode.Positive electrode and negative electrode connect with electric wire, and the junction of positive electrode, negative electrode and electric wire is located at lamp holder
Interior, electric wire is used to for positive electrode and negative electrode being connected respectively the both ends of power supply.
Fluorescent tube protrudes into casing when photodissociation, directly contacts with water sample.Lamp holder is located at the outside of casing.
The principle of low pressure mercury lamp generation ultraviolet light is the electrode fever of lamp tube ends, and excitation mercury vapour shines.Because common
Low pressure mercury lamp be it is cylindrical, electrode connects for convenience at the both ends of lamp, needs to draw two electricity in the outer wall of low pressure mercury lamp
Electrode is concentrated on one end of lamp by line.
U-shaped lamp is exactly that electrode concentrates on straight light tube bending in lamp holder at U-shaped, therefore U-shaped low pressure mercury lamp fluorescent tube
Outer wall does not connect the electric wire of two electrodes additionally.Because of not exposed electric wire, U-shaped fluorescent tube is inserted directly into water sample, is avoided
The case where additional one layer of quartz socket tube is needed when the prior art is using low pressure mercury lamp, to reduce the loss of ultraviolet light.
Casing is U-shaped casing, and casing includes: quartz layer, specular layer and external protection.Be according to this from the inside to the outside quartz layer,
Specular layer, external protection.The quartz glass of the material preferably clear of quartz layer, the preferred silver of the material of specular layer or aluminium, outer protection
The material preferred composite materials of layer, composite material is translucent material.
When photodissociation, the water sample to photodissociation is put into casing.
Adjust the hydrogen ionexponent (pH value) of water sample.
Ultraviolet lamp is inserted into water sample.
Ultraviolet lamp and power supply are connected, after ultraviolet lamp is powered, the positive electrode and negative electrode of ultraviolet lamp generate heat, ultraviolet lamp fluorescent tube
Interior mercury vapour generates ultraviolet light.Ultraviolet light carries out photodissociation to water sample.
The water sample to photodissociation is put into when photodissociation in casing, ultraviolet lamp is inserted into water sample；By the pH of water sample before photodissociation
Value is adjusted to be greater than 10.5, while can realizing chlorinatedorganic, bromo organic matter, iodo organic matter by a photolysis step
Mineralising is decomposed, and the rate of recovery of monovalence chloride ion, bromide ion, iodide ion reaches 95% or more.It is needed due to different water samples
Photolysis period be it is different, for complex sample, taking more time photodissociation, (the water outlet light requirement solution 3 of such as sewage treatment plant is small
When more than) guarantee the organic matter by abundant photodissociation.And the prior art is using the photodissociation mode continuously flowed, it is suitable for different water samples
It is bad with property.The utility model, can be by right using whose feeding photodissociation mode is fixed for complicated, various different water samples
Water sample carries out prolonged photodissociation, arrived higher transformation efficiency.
Existing photodissociation device includes: cylindrical low pressure mercury lamp, casing and stainless steel reactor.Stainless steel reactor is both ends
Closed cylindrical shape.Inlet and outlet are provided on stainless steel reactor, inlet and outlet are located at stainless steel reaction
On the same section of device outer surface.The both ends of stainless steel reactor also set up that there are two openings, and two openings are for will be cylindrical
Low pressure mercury lamp is inserted into stainless steel reactor.Casing is the single layer casing for carrying hooping device.Hooping device passes through clamping device
Cooperate with sealing ring, keeps photodissociation device closed, water sample is avoided to flow out.
Existing photodissociation device will first cover pipe sleeve outside cylindrical low pressure mercury lamp, then insert the cannula into not in photodissociation
It becomes rusty in steel reactor, two interfaces of casing and stainless steel reactor are sealed by hooping device.By to the water sample of photodissociation from
Water inlet is passed through in stainless steel reactor, is powered to cylindrical low pressure mercury lamp and is carried out photodissociation.
The electrode of cylindrical low pressure mercury lamp connects for convenience at the both ends of lamp, needs to draw in the outer wall of low pressure mercury lamp
Electrode is concentrated on one end of lamp by two electric wires, so cylindrical low pressure mercury lamp can not be contacted directly with water sample, is needed low pressure
Mercury lamp covers in casing.And the ultraviolet light elder generation ingress of air for covering the sending of the low pressure mercury lamp in casing contacts water sample again, can decay
Ultraviolet light reduces photolysis efficiency.
Lamella space between the U-shaped ultraviolet lamp and U-shaped casing of the present embodiment photolysis system is as placement photodissociation water sample
Photolysis efficiency has can be improved in the laminate structure in water sample space, water sample space.Ultraviolet lamp can be contacted directly with water sample, and existing
For technology low pressure mercury lamp through casing again compared with water sample contact, loss when reducing ultraviolet light by casing improves photodissociation
Efficiency.
The U-shaped casing of the present embodiment photolysis system includes specular layer, the ultraviolet light not absorbed by water sample can be reflected, to ultraviolet
Light is utilized again, improves photolysis efficiency.
Sealing ring in the hooping device of existing photodissociation device directly contacts lamp wall, is easy aged deterioration, causes sealing not
The security risks such as good, leak, and the casing with hooping device cleans inconvenience.Each component of the photolysis system of the present embodiment is only
It is vertical, it is easy to clean, and also the ultraviolet lamp of the present embodiment and casing are erect and are placed, and ultraviolet lamp is inserted into casing by opening upwards,
The problem of placing the water sample to photodissociation in the gap of ultraviolet lamp and casing, therefore leak be not present, so the photodissociation of the present embodiment
System is avoided from principle because sealing is led to the problem of.
The pH of water sample is adjusted to be greater than 10.5 before photodissociation by the photolysis system of the present embodiment, can directly carry out monovalence chlorine
The recycling of bromine iodide ion, mine while can realizing chlorinatedorganic, bromo organic matter, iodo organic matter by a photolysis step
Change and decompose, and the rate of recovery of monovalence chloride ion, bromide ion, iodide ion reaches 95% or more.And existing photodissociation device will be organic
After object mineralising, monovalence halide ion can not be recycled simultaneously.
The present embodiment also provides a kind of photolysis system verification mode.Online resistance rate detector is added in photolysis system；
Before photodissociation, ultraviolet lamp changes photodissociation 10 minutes in the test tube equipped with ultrapure water according to front and back water resistance rate, determines that fluorescent tube is dry
Only, it can be used, guarantee photolysis experiments stability.In photodissociation, it is set in photodissociation when terminating first 10 minutes and is surveyed respectively at the end of photodissociation
Water sample resistivity is measured, if the water sample resistivity detected twice is constant, indicates water sample thorough photodissociation.Therefore, the present embodiment
The understanding stabilization of equipment performance that photolysis system can be convenient；It can easily determine the whether thorough photodissociation of different water samples, improve entire
Testing process Stability and veracity.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the method and its core concept of the utility model；Meanwhile for the general technology of this field
Personnel, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.In conclusion
The content of the present specification should not be construed as a limitation of the present invention.
Claims (4)
1. a kind of photolysis system characterized by comprising ultraviolet lamp and casing；The ultraviolet lamp is U-shaped low pressure mercury lamp, described
Casing is U-shaped casing；
The ultraviolet lamp and described sleeve pipe, which are erect, places, and the ultraviolet lamp is inserted into described sleeve pipe by when photodissociation, with described sleeve pipe
Between form water sample space, the water sample space is used to place water sample to photodissociation；
The ultraviolet lamp includes: fluorescent tube, lamp holder and electric wire；
The fluorescent tube is fixedly connected with the lamp holder；
The fluorescent tube includes that positive electricity end and negative electricity are extreme, and the positive electricity end and the negative electricity are extremely respectively positioned on described U-shaped low
The opening of pressure mercury lamp, the positive electricity end are the positive electrode of the ultraviolet lamp, and the negative electricity is extremely the negative of the ultraviolet lamp
Electrode, the positive electrode and the negative electrode are connect with the electric wire, the positive electrode, the negative electrode and the electric wire
Junction is located in the lamp holder, and the electric wire is used to for the positive electrode and the negative electrode to be connected respectively power supply electricity
The both ends in source；
The interface of the fluorescent tube and the lamp holder is using the glass capsulation melted；
It include mercury vapour in the fluorescent tube, the material of the fluorescent tube is quartz glass.
2. photolysis system according to claim 1, which is characterized in that
The fluorescent tube protrudes into described sleeve pipe, and when photodissociation directly contacts with the water sample；
The lamp holder is located at the outside of described sleeve pipe.
3. photolysis system according to claim 1, which is characterized in that described sleeve pipe includes: quartz layer, specular layer and outer guarantor
Sheath；
The inner surface of the quartz layer is contacted with the water sample space；The interior table of the outer surface of the quartz layer and the specular layer
Face contact, the outer surface of the specular layer are contacted with the inner surface of the external protection.
4. photolysis system according to claim 3, which is characterized in that the quartz layer is transparent quartz glass；
The specular layer is silver layer or aluminium layer.
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| CN201822230948.2U CN209554832U (en) | 2018-12-28 | 2018-12-28 | A kind of photolysis system |
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| CN201822230948.2U CN209554832U (en) | 2018-12-28 | 2018-12-28 | A kind of photolysis system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399754A (en) * | 2018-12-28 | 2019-03-01 | 深圳合核环境科技有限公司 | A kind of photolysis system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399754A (en) * | 2018-12-28 | 2019-03-01 | 深圳合核环境科技有限公司 | A kind of photolysis system and method |
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