CN104952687B - Ultraviolet lamp and the analytical equipment with the ultraviolet lamp - Google Patents
Ultraviolet lamp and the analytical equipment with the ultraviolet lamp Download PDFInfo
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- CN104952687B CN104952687B CN201510102515.7A CN201510102515A CN104952687B CN 104952687 B CN104952687 B CN 104952687B CN 201510102515 A CN201510102515 A CN 201510102515A CN 104952687 B CN104952687 B CN 104952687B
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Abstract
The present invention provides a kind of ultraviolet lamp that luminous tube can not be avoided to be influenceed by alkaline atmosphere with causing bad influence measure and the analytical equipment with the ultraviolet lamp.By forming the 1st diaphragm (731) in the outer surface of the luminous tube (71) formed by quartz material, luminous tube (71) is avoided to be influenceed by alkaline atmosphere.Due to the chemical reaction of the quartz material for alkaline atmosphere can be prevented by the 1st diaphragm (731), prevent quartz material from eluting, therefore luminous tube (71) can be avoided to be influenceed by alkaline atmosphere.Also, due to making the 1st diaphragm (731) film forming in the outer surface of luminous tube (71), therefore can prevent from producing gap between the outer surface of luminous tube (71) and the 1st diaphragm (731).Therefore, be not in the situation of water sample when the water sample in the gap entered between the outer surface of luminous tube and the 1st diaphragm is mixed into analysis next time, can prevent being mixed into for such water sample from causing bad influence to measure.
Description
Technical field
The present invention relates to a kind of ultraviolet lamp used in alkaline atmosphere and with ultraviolet irradiation dress
The analytical equipment put.
Background technology
In the analytical equipments such as total nitrogen total phosphorus analyzer, for example, can by water sample irradiate ultraviolet make in water sample into
Divide oxidation, be measured (for example, referring to following patent document 1) by the concentration of composition of the determination part to being oxidized.It is purple
Outside line is irradiated to water sample from ultraviolet lamps such as Cooper-Hewitt lamps.It is provided with ultraviolet lamp by for example quartzy
The luminous tube that glass is formed, outside is irradiated in ultraviolet caused by the inside of luminous tube through the luminous tube.
Among such a analytical equipment, there is structure as irradiating ultraviolet externally to the reactive tank that have accumulated water sample
Analytical equipment and luminous tube is impregnated in the water sample in reactive tank filled with the analysis of structure as direct irradiation ultraviolet
Put.Using the structure that luminous tube is impregnated in the water sample in analytical equipment reactive tank, the composition in water sample can be improved
Oxidation efficiency, but because luminous tube directly contacts with water sample, it is possible that the problems such as luminous tube deterioration can be produced.
For example, in the case where the reagents such as sodium hydroxide are mixed into water sample, because luminous tube is impregnated in the water of alkalescence
In sample, therefore exist due to the chemical reaction shown in formulas below, and formed and asked as the quartz glass elution of luminous tube
Topic.
SiO2+2NaOH→Na2SiO3+H20
Therefore, sometimes there is also the situation for implementing following countermeasure, i.e., by the way that the sleeve pipe of resin-made is coated on into luminous tube
Outer surface, quartz glass is protected to avoid it from touching the water sample of alkalescence.In this case, such as with heating muff its can be made soft
Change, make its solidification after the press-in of the tip side of luminous tube, thus sleeve pipe is coated on to the outer surface of luminous tube.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2002-107352 publications
The content of the invention
The invention problem to be solved
But in the case where the sleeve pipe of resin-made is coated on into the outer surface of luminous tube in the form of as described above, can
Gap can be produced between sleeve pipe and the outer surface of luminous tube.In the case of gap as entering in water sample, the water sample meeting
In water sample when being mixed into analysis next time, the reason for turning into evaluated error, therefore it is less desirable.Also, be mixed into sleeve pipe and
The water sample in the gap of the outer surface of luminous tube reaches the root of luminous tube, may produce the electrical equipment in luminous tube bad
Situation.
Further, the sleeve pipe for making resin-made sometimes from ultraviolet caused by the inside of luminous tube deteriorates, and produces cracking.
In this case, water sample enter caused by cracking in, the water sample be mixed into next time analysis when water sample in, therefore not only into
For evaluated error the reason for, but also there is a possibility that to cause bad influence to measure with caused foreign matter with being cracked.
Be not only by luminous tube be immersed in the water sample in reactive tank it is such composition need protect luminous tube, for example containing
Have in the case of using ultraviolet lamp in the air of ammonia, it is also desirable to avoid luminous tube from being influenceed by alkaline atmosphere.At this
In the case of sample, if being formed using the casing protection luminous tube using resin-made is such, exist out of luminous tube
Ultraviolet causes sleeve pipe to deteriorate caused by portion, and the possibility of bad influence is caused to measure.
The present invention is exactly to make in view of the foregoing, and its object is to provide one kind to cause bad shadow to measure
Ring and can avoid the ultraviolet lamp and there is the ultraviolet lamp that luminous tube is influenceed by alkaline atmosphere
Analytical equipment.
The means used to solve the problem
Ultraviolet lamp involved in the present invention, it is the ultraviolet lamp used in alkaline atmosphere,
It includes：Luminous tube, what the luminous tube was formed by quartz material, send ultraviolet light from inside；And the 1st diaphragm, it is described
1st diaphragm, in the outer surface of the luminous tube, avoids the luminous tube from being influenceed by alkaline atmosphere by film forming.
According to such structure, can be avoided by 1st diaphragm of the film forming in the outer surface of the luminous tube by quartzy material
The luminous tube that material is formed is influenceed by alkaline atmosphere.I.e., it is possible to the quartz material for alkaline atmosphere is prevented by the 1st diaphragm
Chemical reaction, prevent quartz material from eluting.
Especially since make the 1st diaphragm film forming in the outer surface of luminous tube, it is possible to prevent the appearance in luminous tube
Gap is produced between face and the 1st diaphragm.Therefore, be not in enter between the outer surface of luminous tube and the 1st diaphragm
The water sample in gap is mixed into the situation of water sample when analyzing next time, can prevent being mixed into for such water sample from causing bad shadow to measure
Ring.Also, if so that the material of ultraviolet can be passed through to form the composition of the 1st diaphragm, then even in the appearance of luminous tube
The wide scope in face forms the 1st diaphragm, also will not cause bad influence to measure.Therefore, can not be to determining with causing bad influence
Luminous tube is avoided to be influenceed by alkaline atmosphere.
1st diaphragm can be formed by the material comprising diamond-like-carbon.
, can be using the high diamond-like-carbon of ultra-violet resistance and alkali resistance in the outer of luminous tube according to such structure
Surface forms the 1st diaphragm.Thus, it is possible to effectively prevent the 1st diaphragm from deteriorating, therefore can prevent due to entering the 1st
The water sample of the cracking of diaphragm is mixed into water sample when analyzing next time and causes bad influence to measure.
1st diaphragm can be formed by the material comprising inorganic metal or inorganic metal compound.
, can be by using inorganic metal or inorganic metal compound film forming in the outer of luminous tube according to such structure
1st diaphragm on surface protects luminous tube.If using ultra-violet resistance and alkali resistance high inorganic metal or inorganic
It if metallic compound forms the 1st diaphragm, can effectively prevent the 1st diaphragm from deteriorating, therefore can prevent due to entering
Water sample to the cracking of the 1st diaphragm is mixed into water sample when analyzing next time and causes bad influence to measure.
The ultraviolet lamp can also include the 2nd diaphragm, and the 2nd diaphragm is formed at the 1st protection
The outer surface of film, it is made up of the material different from the 1st diaphragm.
According to such structure, luminous tube can be protected by the 1st diaphragm that is stacked and the 2nd diaphragm.Such as
If fruit forms the 2nd diaphragm using such as alkali resistance material higher than the 1st diaphragm, the can be prevented caused by alkaline atmosphere
The deterioration of 1 diaphragm, more effectively protects luminous tube.If also, form the with the ultra-violet resistance material higher than the 2nd diaphragm
If 1 diaphragm, it can prevent from, by the deterioration of UV-induced 2nd diaphragm, more effectively protecting luminous tube.
2nd diaphragm can also be formed by wrapping resiniferous material.
According to such structure, the 2nd diaphragm is formed by using the high resin of hydrophobicity, to be effectively prevented from the 1st guarantor
Cuticula is influenceed by alkaline atmosphere.Such as in the case of by the way that the 1st diaphragm of formation is deposited, protected although water sample enters the 1st
Between the tiny particle on the surface of cuticula, it may deteriorate the 1st diaphragm, but if using resin in the 1st diaphragm
If the 2nd diaphragm of upper formation, it is possible to which be effectively prevented from the 1st diaphragm is influenceed by alkaline atmosphere.Also, the resistance to purple of resin
It is outward linear low, but if if forming the 1st diaphragm using the high material of ultra-violet resistance, with regard to that can be effectively prevented from using tree
The 2nd diaphragm that fat is formed is influenceed by ultraviolet.
Also, the 1st diaphragm can also be formed by wrapping resiniferous material.
, can be to luminous by using resin film forming in the 1st diaphragm of the outer surface of luminous tube according to such structure
Pipe is protected.If the resin high using the alkali resistance such as fluororesin forms the 1st diaphragm, then can effectively it prevent
Only the 1st diaphragm is deteriorated, therefore the water sample of the cracking due to entering the 1st diaphragm can be prevented to be mixed into when analyzing next time
Water sample and to measure cause bad influence.
Analytical equipment involved in the present invention includes：The ultraviolet lamp, accumulation have water sample reactive tank and
The determination part that the composition of water sample to being oxidized in the reactive tank is measured.The luminous tube is submerged in described anti-
Answer in the water sample in groove.
According to such structure, shadow of the luminous tube in the water sample that is submerged in reactive tank by water sample can be avoided
Ring.In the case that such as reagent is mixed in water sample and causes water sample to become alkalescence, by by film forming in the outer of luminous tube
1st diaphragm on surface, luminous tube can also be avoided to be influenceed by the water sample of alkalescence.
1st diaphragm can also be formed in the position corresponding with the water level of the water sample in the reactive tank.
, can be in the guarded by location luminous tube corresponding with the water level of water sample according to such structure.Due to being impregnated in
The luminous tube of the water sample of alkalescence is particularly susceptible in corresponding with the water level of water sample position elution, thus by with the water level phase
Corresponding position forms the 1st diaphragm, and can be effectively prevented from luminous tube is influenceed by the water sample of alkalescence.Also, by only existing
The position corresponding with the water level of water sample forms the 1st diaphragm, can suppress the fee of material of the 1st diaphragm, therefore can reduce
Manufacturing cost.
The effect of invention
According to the present invention it is possible to prevent the chemical reaction of the quartz material for alkaline atmosphere by the 1st diaphragm, prevent
Only quartz material is eluted, therefore luminous tube can be avoided to be influenceed by alkaline atmosphere.Also, according to the present invention, due to can be to prevent
Gap only is produced between the outer surface of luminous tube and the 1st diaphragm, is not in that the outer surface and the 1st for entering luminous tube is protected
The water sample in the gap between cuticula is mixed into the situation of water sample when analyzing next time, therefore can prevent being mixed into for such water sample
Bad influence is caused to measure.
Brief description of the drawings
Fig. 1 is the skeleton diagram for the configuration example for showing the analytical equipment involved by the embodiment of the present invention.
Fig. 2 is the summary sectional view of ultraviolet lamp.
Embodiment
Fig. 1 is the skeleton diagram for the configuration example for showing the analytical equipment involved by the embodiment of the present invention.This implementation shape
Analytical equipment involved by state is the total nitrogen of the total nitrogen concentration (TN concentration) and total phosphorus concentration (TP concentration) that can determine water sample
Total phosphorus determination instrument, its part formed is only shown in Fig. 1.
Water sample is sewage, river or plant drainage etc., includes the various compositions such as nitrogen compound, phosphorus compound.In water sample
Nitrogen compound exist as such as nitrate ion, nitrite ion, ammonium ion and organic nitrogen.In measure water sample
Total nitrogen concentration when, be that all nitrogen compounds in water sample is made are oxidized to nitrate ion and then its concentration is surveyed
It is fixed.
Also, the phosphorus compound in water sample exists as such as phosphate anion, hydrolyzable phosphorus and organic phosphorus.
It is that all phosphorus compounds in water sample is made are oxidized to phosphate anion and then survey in the total phosphorus concentration in determining water sample
Its fixed concentration.
In the analytical equipment involved by this embodiment, there is such as stream switching part 1, syringe 2, water sample supply unit
3rd, reagent supply unit 4, reactive tank 5, heater 6, ultraviolet lamp 7, determination part 8 and control unit 9 etc..Stream switching part
1 is for example made up of the multiported valve with multiple ports, can selectively communicate with other ports relative to a common port
Some.Connected state between each port of stream switching part 1 can automatically switch for example, by motor Ml driving.
Syringe 2 has such as cylinder 21 and plunger 22.Can by the displacement of plunger 22 that makes to be inserted into cylinder 21,
Carry out the attraction action to syringe 2 and the discharging operation from syringe 2.Plunger 22 can be for example, by motor M2 drive
It is dynamic automatically to carry out displacement.
In this example embodiment, the common port of stream switching part 1 is connected with syringe 2.Water sample supply unit 3, reagent supply unit
4th, reactive tank 5 and determination part 8 etc. are connected to other multiple ports of stream switching part 1.Therefore, by making syringe
2 and water sample supply unit 3 connect in the state of make the displacement of plunger 22, carry out to syringe 2 attraction action, water sample can be supplied
To in syringe 2 (in cylinder 21).Hereafter, if making syringe 2 and reagent supply unit 4 connect and make the displacement of plunger 22,
If carrying out the attraction action to syringe 2, reagent can be supplied to syringe 2, the reagent is mixed in water sample.
Water sample in syringe 2 is supplied in reactive tank 5 after oxidant etc. has been added as appropriate.It is specific next
Say, by making syringe 2 and reactive tank 5 connects and makes the displacement of plunger 22, carry out the discharging operation from syringe 2, can will
Water sample in syringe 2 is supplied to reactive tank 5.Now, can be to reaction by being controlled to the displacement of plunger 22
The quantity delivered of the water sample of groove 5 is adjusted.
Accumulation has the water sample supplied from syringe 2 in reactive tank 5.In the outside of reactive tank 5, having heaters 6 is set, can be with
The water sample in reactive tank 5 is heated by the heater 6.Ultraviolet lamp 7 is inserted into reactive tank 5, by right
The water sample irradiation ultraviolet being accumulated in reactive tank 5 so that the various composition such as nitrogen compound, phosphorus compound in water sample aoxidizes.
Water sample in reactive tank 5 is fed to determination part 8 by syringe 2.Specifically, by make syringe 2 and
Reactive tank 5 connects and makes the displacement of plunger 22, carries out the attraction action to syringe 2, the water sample in reactive tank 5 is imported into syringe
In 2.Hereafter, by making syringe 2 and determination part 8 connects and makes the displacement of plunger 22, the discharging operation from syringe 2 is carried out,
Water sample in syringe 2 can be guided to determination part 8.
Thus, the composition for the water sample being oxidized in reactive tank 5 is determined by determination part 8.In determination part 8, such as
Detected by the transmitted light of the light to having irradiated water sample, to determine absorbance.Can based on the absorbance being so measured to,
Calculate the concentration of the composition in the water samples such as total nitrogen concentration, total phosphorus concentration.
Control unit 9 is, for example, the composition for including CPU (CPU), to motor Ml, M2, heater 6 and purple
The action in each portion of the outer grade of beam irradiating apparatus 7 analytical equipment is controlled, and is carried out based on the detection signal from determination part 8
Processing.The computing of concentration based on the absorbance being measured to by determination part 8 is carried out in control unit 9, and the concentration being calculated is shown
It is shown in display part (not shown).
Fig. 2 is the summary sectional view of ultraviolet lamp 7.The ultraviolet lamp 7 has by such as quartz glass
The luminous tube 71 of formation, ultraviolet irradiation dress is used in the state of the water sample that the luminous tube 71 is impregnated in reactive tank 5
Put 7.It is in a slender tube body linearly extended that luminous tube 71, which is, for example,, and ultraviolet is sent from inside.
Luminous tube 71 is impregnated into water sample in the form of extending in the vertical direction from its top ends 711, and root 712 is located at
The water level L of water sample top.The spaced walls 713 for example extended along its length are provided with luminous tube 71, are consequently formed U-shaped
The inner space 714 of shape.In the root 712 of luminous tube 71, in the corresponding position in the both ends of the inner space 714 with U-shaped
On be respectively arranged with electrode 72.
Ultraviolet lamp 7 in this embodiment is, for example, Cooper-Hewitt lamp, and mercury is enclosed inner space 714
It is interior.When being analyzed, by applying voltage between a pair of electrodes 72, electricity is internally produced in the mercury vapor in space 714
Arc discharge, ultraviolet light is sent therewith.
Such as in the case where the reagents such as sodium hydroxide are mixed to water sample from reagent supply unit 4, it is accumulated in reactive tank 5
Interior water sample becomes alkalescence.In this case, ultraviolet lamp 7 (is in this example embodiment, impregnated in alkaline atmosphere
Alkalescence water sample in state) in used.
Luminous tube 71 is protected to avoid it from being in alkali formed with diaphragm 73, the diaphragm 73 in the outer surface of luminous tube 71
Property atmosphere.In order to protect luminous tube 71 to avoid it from being in alkaline atmosphere, diaphragm 73 with alkali by not reacting or and alkali
The material for being difficult to react is formed.In this embodiment, the 1st diaphragm 731 is protected by film forming in the outer surface of luminous tube 71, the 2nd
Cuticula 732 is by film forming in the outer surface of the 1st diaphragm 731.
So, diaphragm 73 is preferably the structure for being laminated with the multiple films being made up of different materials, is not limited to this, example
It such as can be the structure being only made up of the 1st diaphragm 731.In addition, in fig. 2, in order that explanation is it can be readily appreciated that the 1st is protected
The thickness of the diaphragm 732 of film 731 and the 2nd represents must be bigger than the thickness of reality.
1st diaphragm 731 is for example formed by diamond-like-carbon (DLC).Diamond-like-carbon be mainly by hydrocarbon or
Amorphous hard carbon film that the allotrope of person's carbon is formed, with the high property of ultra-violet resistance and alkali resistance.1st protects
Cuticula 731 can be by making diamond-like-carbon be deposited in the outer surface of luminous tube 71 to be formed.Formed using diamond-like-carbon
The thickness of the 1st diaphragm 731 be preferably more than 0.01 μm, more preferably more than 1 μm.
When forming 1 diaphragm 731 by being deposited, such as physical vapor deposition (PVD method) can be used.Physical vapor deposition
In include the various vapour deposition methods such as vacuum vapour deposition, ion plating and sputtering method.But physical vapor deposition is not limited to,
1st diaphragm 731 can also be formed by chemical vapor deposition method (CVD), the 1st can also be formed by the method beyond evaporation and protected
Cuticula 731.
So, in this embodiment, film forming can be used in the outer surface of the luminous tube 71 formed by quartz glass
1st diaphragm 731 protects luminous tube 71 to avoid it from being in alkaline atmosphere.I.e., it is possible to prevented using the 1st diaphragm 731
Relative to the chemical reaction of the quartz glass of alkaline atmosphere, prevent quartz glass from eluting.
In this example embodiment, the luminous tube 71 in the water sample being submerged in reactive tank 5 can be protected to avoid it from contacting water
Sample.Even in for example being mixed using sodium hydroxide as reagent from reagent supply unit 4 into water sample, water sample is caused to be changed into the feelings of alkalescence
Under condition, by the 1st diaphragm 731 such chemical reaction shown in formulas below can also be prevented to occur so as to cause quartz
Glass elution, luminous tube 71 can be protected to avoid the water sample of its contact alkalescence.
SiO2+2NaOH→Na2SiO3+H20
Especially since make the film forming of the 1st diaphragm 731 in the outer surface of luminous tube 71, so can prevent in luminous tube 71
Outer surface and the 1st diaphragm 731 between produce gap.Therefore, outer surface and the 1st diaphragm 731 of luminous tube 71 are entered
Gap water sample be mixed into next time analysis when water sample in such situation be not present, it is possible to prevent such water sample
Be mixed into measure cause bad influence.Also, if using the material that can pass through ultraviolet formed the 1st diaphragm 731 this
If the composition of sample, the relative broad range (such as outer surface overall) even in the outer surface of luminous tube 71 inner forms the 1st protection
Film 731, will not also bad influence be caused to measure.Therefore, luminous tube 71 can not be avoided with causing bad influence by alkali to measure
The influence of property atmosphere.
Also, in this embodiment, can be using the high diamond-like-carbon of ultra-violet resistance and alkali resistance, in luminous tube
71 outer surface forms the 1st diaphragm 731.Thus, it is possible to effectively prevent the 1st diaphragm 731 from deteriorating, thus can prevent by
Water sample in the cracking for entering the 1st diaphragm 731 be mixed into next time analysis when water sample in so the reason for and to measure
Cause bad influence.But the 1st diaphragm 731 is not limited to only be made up of or using bag what diamond-like-carbon was formed
Material containing the composition beyond diamond-like-carbon is come the composition that is formed.
2nd diaphragm 732 is for example formed by resin.As resin, preferably using ultra-violet resistances such as fluororesin and
The high resin of alkali resistance is but it is also possible to be the resin beyond fluororesin.2nd diaphragm 732 can be by being coated on the 1st by resin
The outer surface of diaphragm 731 and formed.At this point it is possible to by by resin thinly coated in the 1st diaphragm 731 outer surface with
Form film etc., various methods are implemented to coat.Use resin formed the 2nd diaphragm 732 thickness be preferably 0.01 μm with
On, more preferably more than 1 μm.
So, in this embodiment, can be protected by the 1st diaphragm 731 that is stacked and the 2nd diaphragm 732
Hair care light pipe 71., can if forming the 2nd diaphragm 732 if the material higher than the 1st diaphragm 731 using such as alkali resistance
To prevent the deterioration of the 1st diaphragm 731 caused by alkaline atmosphere, luminous tube 71 can more effectively be protected.
In this example embodiment, the 2nd diaphragm 732 is formed by using the high resin of hydrophobicity, the 1st can be effectively prevented from
Diaphragm 731 is influenceed by alkaline atmosphere.As in the present embodiment the feelings of the 1st diaphragm 731 are being formed by being deposited
Under condition, water sample deteriorates the 1st diaphragm 731, but adopt possibly between the tiny particle to the surface of the 1st diaphragm 731
If forming the 2nd diaphragm 732 on the 1st diaphragm 731 with resin, the 1st diaphragm 731 can be effectively prevented from by alkali
The influence of property atmosphere.
Also, the ultra-violet resistance of resin is low, but due to using the ultra-violet resistance DLC higher than the 2nd diaphragm 732
Carbon forms the 1st diaphragm 731, it is possible to which the 2nd diaphragm 732 that effectively protection is formed using resin protects it from ultraviolet
Line influences.Accordingly it is possible to prevent the deterioration of UV-induced 2nd diaphragm 732, more effectively protects luminous tube 71.But
2nd diaphragm 732 be not limited to the composition only formed by resin or by the material comprising the composition beyond resin Lai
The composition of formation or by the other materials not comprising resin come the composition that is formed.
In this embodiment, in a part for the outer surface that the 1st diaphragm 731 is formed only into luminous tube 71.Specifically
For, the 1st diaphragm 731 is not formed in the side of top ends 711 of luminous tube 71, and only forming the 1st in the side of 71 root of luminous tube 712 protects
Cuticula 731.In this example embodiment, in position corresponding with the water level L of the water sample in reactive tank 5 formed with the 1st diaphragm 731.
The concept of position corresponding with water level L not only includes and the level part of water level L phases, the also week comprising the part
Rim portion.That is, in part level with water level L phases, its peripheral part formed with the 1st diaphragm 731, in luminous tube 71
At least a portion of the side of top ends 711 can have and do not form the part of the 1st diaphragm 731.
So,, can by forming the 1st diaphragm 731 in position corresponding with the water level L of water sample in this embodiment
To be protected in position corresponding with the water level L of water sample to luminous tube 71.It is luminous in the water sample of alkalescence due to being submerged in
Pipe 71 is particularly easy to elute in position corresponding with the water level L of water sample, so by forming the in position corresponding with water level L
1 diaphragm 731, luminous tube 71 can be effectively protected to avoid it from being contacted with the water sample of alkalescence.Also, by only with water sample
Position corresponding to water level L forms the 1st diaphragm 731, can suppress the fee of material of the 1st diaphragm 731, therefore can reduce manufacture
Cost.
In this example embodiment, the whole outer surface of the 1st diaphragm 731 is all covered by the 2nd diaphragm 732.But do not limit
The composition that a part in such structure or the only outer surface of the 1st diaphragm 731 is covered by the 2nd diaphragm 732.
In such a situation it is preferred that being, the 1st diaphragm 731 and the 2nd diaphragm 732 are at least formed at position corresponding with the water level L of water sample
Put.
The root 712 of luminous tube 71 is inserted into outer barrel 74, and above-mentioned electrode 72 is provided with the outer barrel 74.In this reality
Apply in form, by the position separated by a certain interval with outer barrel 74 formed with the 1st diaphragm 731, the outer surface of luminous tube 71
It is exposed between the diaphragm 731 of outer barrel 74 and the 1st.That is, the upper edge of the 1st diaphragm 731 is located at the water level L and outer barrel 74 of water sample
Lower ora terminalis between.Thus, water sample reaches the root of luminous tube 71 via the 1st diaphragm 731 or the grade of the 2nd diaphragm 732
712, it can prevent the electrical equipment (electrode 72 etc.) in luminous tube 71 from producing unfavorable condition.
In embodiment more than, the 1st diaphragm 731 is illustrated by forming of being formed of diamond-like-carbon.But
It is to be not limited to such structure or the 1st diaphragm 731 is formed by such as inorganic metal or inorganic metal compound
Composition.In such a case it is possible to it is to form the 2nd diaphragm in the outer surface of the 1st diaphragm 731 as above-mentioned embodiment
732 composition or the composition for being formed without the 2nd diaphragm 732.
Here, inorganic metal refer to platinum or gold etc. as inorganic metal simple substance.Also, inorganic metal compound refers to wrap
The compound of simple substance containing inorganic metal and other compositions, sapphire or aluminum oxide etc. can be illustrated.But as inorganic
Metal or inorganic metal compound, material as described above is not limited to, ultra-violet resistance and alkali resistance can be used
High any materials.
If the 1st protection is formed using the high inorganic metal of ultra-violet resistance and alkali resistance or inorganic metal compound
If film 731, it can effectively prevent the 1st diaphragm 731 from deteriorating, therefore can prevent due to entering the 1st diaphragm 731
The water sample of cracking is mixed into water sample when analyzing next time the reason for such and causes bad influence to measure.But do not limit
In only forming the forming or by comprising inorganic metal of the 1st diaphragm 731 by inorganic metal or inorganic metal compound
Or the material of the composition beyond inorganic metal compound forms the composition of the 1st diaphragm 731.
When forming 1 diaphragm 731 by material comprising inorganic metal or inorganic metal compound, and using class
The situation of diamond carbon by being deposited likewise it is possible to form the 1st diaphragm 731.Using inorganic metal or inorganic metal
The thickness for the 1st diaphragm 731 that compound is formed is preferably more than 0.01 μm, more preferably more than 1 μm.
Again or forming for the 1st diaphragm 731 is formed by such as resin.In such a case it is possible to for not by above-mentioned
Resin as embodiment forms the 2nd diaphragm 732 but uses other materials to form the composition of the 2nd diaphragm 732, also may be used
To be the composition for being simply formed with the 1st diaphragm 731.
As resin, preferably using the high resin of the ultra-violet resistances such as fluororesin and alkali resistance, but can also use
Resin beyond fluororesin.In the case where forming the 1st diaphragm 731 using the high resin of the alkali resistances such as fluororesin, Ke Yiyou
Effect ground prevent the 1st diaphragm 731 from deteriorating, therefore can prevent due to entrance the 1st diaphragm 731 cracking water sample be mixed into it is next
The reason for water sample during secondary analysis is such causes bad influence to measure.But the 1st diaphragm 731 is not limited to only by resin
The composition of formation or the 1st diaphragm 731 are made up of what the material comprising the composition beyond resin was formed
When forming 1 diaphragm 731 by wrapping resiniferous material, with forming the 2nd protection in above-mentioned embodiment
The situation of film 732 by coating likewise it is possible to form the 1st diaphragm 731.The 1st diaphragm 731 formed using resin
Thickness is preferably more than 0.01 μm, more preferably more than 1 μm.
In embodiment more than, luminous tube 71 is illustrated by forming of being formed of quartz glass.It is but luminous
Pipe 71 is not limited to quartz glass or is made up of what other quartzous quartz materials of the bag such as synthetic quartz were formed.
Also, in embodiment more than, ultraviolet lamp 7 is illustrated for the situation of Cooper-Hewitt lamp.
But ultraviolet lamp 7 is not limited to Cooper-Hewitt lamp, such as such as excimer laser, deuterium lamp, xenon can be used
Gas lamp, Hg-Zn-Pb lamps etc. can irradiate any light source of ultraviolet like that.
Further, in the embodiment more than, shine to the water sample that luminous tube 71 is impregnated in reactive tank 5 and directly
Such form of ultraviolet is penetrated to be illustrated.But such structure is not limited to, ultraviolet lamp 7 can also be
The reactive tank 5 for having water sample to accumulation from outside irradiates the composition of ultraviolet.
Again or ultraviolet lamp 7 is used as composition as light source beyond reactive tank 5.In the situation
Under, ultraviolet lamp 7 can also be following composition：Water sample is not used with, and is used in for example containing ammonia
Alkaline atmosphere beyond in the medium such water of air.
In embodiment more than, one of total nitrogen total phosphorus analyzer as analytical equipment is illustrated.But
The present invention is not limited to total nitrogen total phosphorus analyzer, can also be applied to other analytical equipments such as total organic carbon analyzer.
The explanation of symbol
1 stream switching part
2 syringes
3 water sample supply units
4 reagent supply units
5 reactive tanks
6 heaters
7 ultraviolet lamps
8 determination parts
9 control units
21 cylinders
22 plungers
71 luminous tubes
72 electrodes
73 diaphragms
74 outer barrels
711 top ends
712 roots
713 spaced walls
714 inner spaces
731 the 1st diaphragms
732 the 2nd diaphragms
Ml, M2 motor.
Claims (7)
1. a kind of ultraviolet lamp, it is the ultraviolet lamp used in alkaline atmosphere, it is characterised in that bag
Include：
Luminous tube, what the luminous tube was formed by quartz material, send ultraviolet light from inside；
1st diaphragm, the 1st diaphragm are formed by the high material of ultra-violet resistance and alkali resistance, and it is by film forming in described
The outer surface of luminous tube, the luminous tube is avoided to be influenceed by alkaline atmosphere；And
2nd diaphragm, the 2nd diaphragm are formed at the outer surface of the 1st diaphragm, by different from the 1st diaphragm
The high material of hydrophobicity form,
The ultra-violet resistance of 1st diaphragm is higher than the 2nd diaphragm, and the alkali resistance of the 2nd diaphragm is than the described 1st
Diaphragm is high.
2. ultraviolet lamp as claimed in claim 1, it is characterised in that
1st diaphragm is formed by the material comprising diamond-like-carbon.
3. ultraviolet lamp as claimed in claim 1, it is characterised in that
1st diaphragm is formed by the material comprising inorganic metal or inorganic metal compound.
4. ultraviolet lamp as claimed in claim 1, it is characterised in that
2nd diaphragm is formed by wrapping resiniferous material.
5. such as ultraviolet lamp according to any one of claims 1 to 3, it is characterised in that
1st diaphragm is formed by wrapping resiniferous material.
A kind of 6. analytical equipment, it is characterised in that including：
Ultraviolet lamp according to any one of claims 1 to 5；
Accumulation has the reactive tank of water sample；And
The determination part that the composition of water sample to being oxidized in the reactive tank is measured,
The luminous tube is submerged in the water sample in the reactive tank.
7. analytical equipment as claimed in claim 6, it is characterised in that
1st diaphragm is formed on the position corresponding with the water level of the water sample in the reactive tank.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-070953 | 2014-03-31 | ||
| JP2014070953A JP6167967B2 (en) | 2014-03-31 | 2014-03-31 | Ultraviolet irradiation device and analyzer equipped with the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104952687A CN104952687A (en) | 2015-09-30 |
| CN104952687B true CN104952687B (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510102515.7A Expired - Fee Related CN104952687B (en) | 2014-03-31 | 2015-03-09 | Ultraviolet lamp and the analytical equipment with the ultraviolet lamp |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6167967B2 (en) |
| CN (1) | CN104952687B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102077314A (en) * | 2008-06-25 | 2011-05-25 | 松下电器产业株式会社 | Glass tube for a fluorescent lamp and method for producing same |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4184101A (en) * | 1978-07-11 | 1980-01-15 | Westinghouse Electric Corp. | Compact fluorescent lamp having a partitioned envelope |
| JPS56138854A (en) * | 1980-03-31 | 1981-10-29 | Mitsubishi Electric Corp | Low pressure discharge lamp |
| JPS61144563U (en) * | 1985-02-27 | 1986-09-06 | ||
| US20030040651A1 (en) * | 1998-10-20 | 2003-02-27 | Wilson Joseph H. | Apparatus and method for chemically reducing waste materials |
| JP2001296648A (en) * | 2000-04-17 | 2001-10-26 | Mitsubishi Paper Mills Ltd | Mask for exposure and method for producing the same |
| JP2002107352A (en) * | 2000-09-29 | 2002-04-10 | Shimadzu Corp | Water quality analyzer |
| JP3746207B2 (en) * | 2001-05-15 | 2006-02-15 | 株式会社日立製作所 | Sheet type microreactor and mobile type chemical analyzer |
| KR100772639B1 (en) * | 2005-10-18 | 2007-11-02 | 한국기계연구원 | Stamp for micro/nanoimprint lithography using diamond-like carbon and method of fabricating the same |
| US20070170379A1 (en) * | 2006-01-24 | 2007-07-26 | Nikon Corporation | Cooled optical filters and optical systems comprising same |
| JP2008010356A (en) * | 2006-06-30 | 2008-01-17 | Matsushita Electric Ind Co Ltd | Fluorescent lamp |
| JP2008119658A (en) * | 2006-11-15 | 2008-05-29 | Kurita Water Ind Ltd | Ultraviolet oxidation apparatus and organic matter removal apparatus |
| JP4599371B2 (en) * | 2007-03-22 | 2010-12-15 | トーカロ株式会社 | Amorphous carbon hydrogen solid coating member and method for producing the same |
| JP5731887B2 (en) * | 2011-04-21 | 2015-06-10 | 株式会社日本フォトサイエンス | Liquid processing equipment |
| US9588050B2 (en) * | 2012-02-17 | 2017-03-07 | Shimadzu Corporation | Total nitrogen measurement apparatus |
-
2014
- 2014-03-31 JP JP2014070953A patent/JP6167967B2/en not_active Expired - Fee Related
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2015
- 2015-03-09 CN CN201510102515.7A patent/CN104952687B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102077314A (en) * | 2008-06-25 | 2011-05-25 | 松下电器产业株式会社 | Glass tube for a fluorescent lamp and method for producing same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104952687A (en) | 2015-09-30 |
| JP6167967B2 (en) | 2017-07-26 |
| JP2015191884A (en) | 2015-11-02 |
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