CN101857283A - Device for treating waste water with microwave electrodeless excimer lamp and gas distributing system for lamp - Google Patents
Device for treating waste water with microwave electrodeless excimer lamp and gas distributing system for lamp Download PDFInfo
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- CN101857283A CN101857283A CN 201010203436 CN201010203436A CN101857283A CN 101857283 A CN101857283 A CN 101857283A CN 201010203436 CN201010203436 CN 201010203436 CN 201010203436 A CN201010203436 A CN 201010203436A CN 101857283 A CN101857283 A CN 101857283A
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- 238000005260 corrosion Methods 0.000 claims description 5
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- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
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- 238000003466 welding Methods 0.000 claims description 3
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- 230000001795 light effect Effects 0.000 abstract 1
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- 238000006243 chemical reaction Methods 0.000 description 21
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- 238000006303 photolysis reaction Methods 0.000 description 9
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- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
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Abstract
The invention discloses a device for treating waste water with a microwave electrodeless excimer lamp and a gas distributing system for the electrodeless excimer lamp in the device. A waster water treatment pond of the device is arranged below the shell of a microwave generator; 1/5 to 1/3 of the electrodeless excimer lamp is fixed in a resonant cavity, and the part of the electrodeless excimer lamp, which is not arranged in the resonant cavity, is sheathed with a quartz casing tube with a closed lower end; the microwave generator comprises a fan and a cooling copper tube which are used for cooling the resonant cavity, the fan is fixed on the inner side wall of the shell, and the cooling copper tube is welded around the external surface of the shell; the gas distributing system for the electrodeless excimer lamp is also provided with a cold well in front of a vacuum pump; and the pipeline, which is connected with a third port of a second three-way valve, is connected with a gas bottle, a gas storage bottle, a pressure indicating meter, a buffer bottle and a gas filling pipeline in parallel. The vacuum gas distributing system has a high vacuum degree, and can fill different gases according to the specific ultraviolet wavelength required by waste water treatment, so that the electrodeless excimer lamp can emit ultraviolet light with high intensity and high light effect.
Description
Technical field
The present invention relates to the device of wastewater treatment, particularly a kind of vacuum gas distributing system that utilizes the electrodeless lamp of device that microwave produces the electrodeless quasi-molecule lamp advanced treatment waste water of UV-light, this device.
Background technology
In recent years, more and more about the new technology of waste water advanced improvement aspect, as ultrasonic wave, supercutical fluid, membrane sepn, plasma body and ultraviolet photolysis etc.UV-light solution reaction conditions gentleness, applied range, practical are considered to a very promising water technology, have been subjected to paying close attention to more and more widely.The general mercury lamp of using is as uv radiation source in the Photochemistry Study at present, and radiation wavelength is single.And traditional mercury lamp all has electrode, a series of problems such as caused that lamp tube service life is short, current consumption big, electrode materials and luminophore range of choice are little.The above-mentioned limitation that ordinary light source exists has greatly hindered the application of photochemical method in wastewater treatment.
The electrodeless quasi-molecule ultraviolet lamp is as a kind of new ultra-violet light source, compare with common uv lamp, the electrodeless ultraviolet light source is not owing to there is electrode, can not produce because the blackout phenomenon that anodizing, loss and sealing-in sealing problem cause, and have advantages such as easy to manufacture, cheap, that energy consumption is little, light intensity is big and reactor is simple; Can overcome the limitation of traditional ultraviolet source, the luminophore range of choice is wide, the life-span is long.
According to the difference of discharge mode, electrodeless lamp mainly contains two kinds: a kind of is that electricity excites electrodeless lamp, comprises capacitor discharge, induction discharge and three kinds of discharge types of surface wave discharge; Another kind is that (Microwave DischargeElectrodeless Lamps MDELs), claims the micro-wave nonpolar ultraviolet lamp again to the electrodeless lamp of microwave discharge.Because microwave technology is very ripe, it is relatively easy to produce UV-light, and can avoid electricity to excite needs high-voltage pulse power source and puncture of dielectric problem when producing UV-light.Therefore, MDELs occupies greater advantages, have to realize possibility high-power and that heavy industrialization is used, and microwave can improve the photochemical catalysis effect in photochemical catalytic oxidation.
But micro-wave nonpolar lamp principle of work is the mixture of filling evaporated metal and rare gas in the closed shell that quartz, glass or other materials form.The effect of rare gas is the activated plasma discharge, when electrodeless lamp is positioned in the microwave field, the rare gas generation low pressure plasma that is excited, producing heat by plasma discharge makes transpirable metal become steam-like, produce more plasma body, increase plasma pressure, discharge more energy, form higher luminous efficiency.
Quasi-molecule is that (life-span is 10 to the high-energy state with constraint
-6S～10
-7S) and repel ground state molecule (life-span 10 of (weak beam is tied up)
-13S) general designation is also referred to as the radiationless compound or atomic collision attitude of three-body collision.Quasi-molecule can only could produce under some special geseous discharge condition, as dielectric barrier discharge, high-power electron beam, alpha-particle, synchrotron radiation, high frequency discharge, microwave discharge, pulsed discharge lamp condition.During discharge, atom is excited to high electronic level, these excited atoms and ground state atom or molecular impact produce a molecule and shift portion of energy by the third party and make it from high vibration excited state relaxation to low vibration excited state, become metastable molecule, send the uv-radiation of respective wavelength simultaneously.
Rare gas diatomic quasi-molecule is the simplest quasi-molecule, as He
2 *, Ne
2 *, Ar
2 *, Kr
2 *And Xe
2 *Be atom R by excited state rare gas
*Form by the three-body collision reaction with the atom R of ground state; Another kind of important quasi-molecule is rare gas-halogen quasi-molecule, as ArCl
*, KrCl
*, XeCl
*, ArF
*, XeF
*, mainly generate by the three-body collision complex reaction by electropositive noble gas ion, excited state and electronegative halide-ions; Halogenic molecule also can form quasi-molecule, as F
2 *, Cl
2 *, Br
2 *, I
2 *Also has mercury-halogen quasi-molecule in addition, as HgCl
*, HgBr
*, HgI
*, and rare gas mercury compound quasi-molecule, as HgXe
*Quasi-molecule exists with excited state, and returns ground state in several times nanosecond, and the form of excited energy with UV light or VUV light radiated.When quasi-molecule returns ground state, send the radiation of respective wavelength, spectral range can be from 50 to 600nm, and corresponding photon energy 25 has satisfied the required energy region of photochemical reaction substantially to 2eV.
At present, the research of the reaction kinetics that forms about the luminescence mechanism of excimer light source, quasi-molecule, spectral response curve etc. is many, and the research that electrodeless quasi-molecule lamp is used for contaminant degradation was just carried out in the later stage nineties.Chinese patent literature CN1303000C (number of patent application 200410065979.7) discloses a kind of method and apparatus for the treatment of waste water by microwave photocatalysis, the device of described treating waste water by microwave photocatalysis, comprise the microwave reaction stove, waste water reaction chamber and electrodeless lamp, lay the waste water reaction chamber in the microwave reaction furnace chamber, set up annular fixer on the projection of waste water reaction chamber interior walls, electrodeless lamp inserts in the aperture of annular fixer, quartzy agitator places the waste water reaction chamber, and the opening on top, beam warp waste water reaction chamber and microwave oven top links to each other with the outer buttons rotating motor in the agitator; After wherein used electrodeless lamp is draws air to 2.5～5.0kPa, charge into 0.5～2.0kPa argon gas or helium, and drip 1～5 of mercury metal, finally sealed forms.In addition, Chinese patent literature CN101239299A (number of patent application 200810064139.7) discloses a kind of microwave non-polar ultraviolet light catalyzing integrated reaction device, circulation cooling jacket and reaction chamber are fired and are one, form the recirculated cooling water chamber between circulation cooling jacket and the reaction chamber, be fixed with lamp socket on the base plate of reaction chamber, electrodeless ultraviolet lamp is installed on the lamp socket, and double-deck reactor is placed on the base plate of microwave chemical tester.
Above-mentioned waste water reaction chamber places the wastewater treatment equipment of microwave reaction stove form, can realize the synergy of light and microwave, has higher photocatalytic activity; But this structure is owing to concentrate on waste water reaction chamber and microwave generator in the shell, cause the structure of complete assembly comparatively complicated, and limited the size of waste water reaction chamber, during practical application, when the waste water reaction chamber is designed greatly, the microwave reaction stove must correspondingly increase volume, causes the raising of cost; In addition, it is single to install used ultraviolet source, for first part of open file, the vacuum tightness of used electrodeless lamp is not high enough, the remarkably influenced light intensity, light efficiency and work-ing life, it is wide not embody excimer light source ultraviolet radiation wave-lengths scope, advantages such as long service life, its immediate cause is not have supporting vacuum apparatus to realize the filling of gas in the fluorescent tube, thereby thereby can not fill different gas according to concrete required ultraviolet wavelength and under microwave-excitation, produce the direct photodissociation difference of UV-light waste water, also can not under the state of fluorescent tube high vacuum, fill highly purified gas and obtain high light intensity, the fluorescent tube of high light efficiency.
Summary of the invention
One of purpose of the present invention provides a kind of device of simple in structure, micro-wave nonpolar Excimer lamp advanced treatment waste water that the wastewater treatment chamber is easy to expand, two of purpose provides the vacuum gas distributing system of the used electrodeless quasi-molecule lamp of a kind of above-mentioned wastewater treatment equipment, thereby obtains the ultraviolet source of ultraviolet ray intensity height, any wavelength.
The technical scheme that realizes the object of the invention is the device that a kind of micro-wave nonpolar Excimer lamp is handled waste water, comprise microwave power supply, microwave generator, electrodeless quasi-molecule lamp and purification tank for liquid waste, microwave generator comprises shell, magnetron, resonator cavity housing, purification tank for liquid waste places the shell below of microwave generator, and 1/5～1/3 partial fixing of electrodeless quasi-molecule lamp is in the resonator cavity housing; Electrodeless quasi-molecule lamp does not place the intravital part of resonator cavity shell also to be with the open quartz socket tube of a lower end closed upper end, and places purification tank for liquid waste; Microwave generator also comprises fan and the cooling copper tube to resonator cavity housing cooling, and fan is fixed on the inner side-wall of shell, and its blade is over against the resonator cavity housing, and the cooling copper tube welding is wrapped in the outside surface of shell.
Shell by stent support on the ground, described support comprises column and height-adjustable foot.
The bottom center of shell is provided with threaded mounting hole, and the bottom of resonator cavity housing has an open holes, and two holes are coaxial; Electrodeless quasi-molecule lamp is fixed in the resonator cavity housing by mounting block, described mounting block is to be with externally threaded hollow pipe fitting, the internal diameter of pipe fitting and electrodeless quasi-molecule lamp insert the external diameter equal and opposite in direction of the part of resonator cavity housing, and mounting block is fixed on the bottom of shell thereby the outside screw of the outer side setting of pipe fitting matches with the threaded mounting hole of outer casing bottom; The upper end of electrodeless quasi-molecule lamp enters and is fixed in the resonator cavity by the open holes of mounting block intermediary through hole resonant cavity housing bottom from the bottom up.
Quartz socket tube is fixed on the electrodeless quasi-molecule lamp by 1～3 anchor that is arranged in quartz socket tube, and the main body of described anchor is a rubber-like open circle, and the internal diameter size of open circle is identical with the external diameter size of the fluorescent tube of electrodeless quasi-molecule lamp; On the periphery wall of open circle, also comprise 3～6 when using and the inwall wringing fit of quartz socket tube and the projection that interfixes.
Described electrodeless quasi-molecule lamp comprises fluorescent tube, interior pipe, wire coil and blanketing gas, and fluorescent tube is made and closed at both ends by silica glass, and interior pipe can all or part ofly be arranged in the fluorescent tube.
A kind of gas distributing system of electrodeless quasi-molecule lamp comprises corresponding pipeline, valve or piston that vacuum pump, T-valve, diffusion pump, scrubbing bottle, bomb, pressure indicator, gas-filled valve, venting port, surge flask and each several part are connected; Comprising that also one is arranged on the cold well between vacuum pump and the T-valve, also is that a cold well also is set before the vacuum pump; T-valve comprises first T-valve and second T-valve, and according to the sequence of motion of gas, the bleeding point of vacuum pump links to each other with first port of first T-valve through the cold well of liquid nitrogen; The 3rd port of first T-valve links to each other with first port of second T-valve through pipeline; Second port of second T-valve links to each other with first bleeding point of diffusion pump through pipeline; Second bleeding point of diffusion pump links to each other with second port of first T-valve through pipeline; The 3rd port of second T-valve by the 6th pipeline respectively with scrubbing bottle, bomb, pressure indicator, surge flask and gas ducting link to each other; The 6th pipeline is not closed away from the port of second T-valve, and this port is provided with a drain tap as venting port.
Pressure indicator comprises indication greater than the corrosion-resistant tensimeter of 10torr force value and the U-tube manometer of indication 0.1torr to 10torr force value, and the indicating liquid in the U-tube manometer is the vitriol oil, strong phosphoric acid or vacuum grease.
Bomb comprises the halogen bomb, rare gas element bomb, mercury bomb; Wherein the halogen bomb comprises fluorine gas bottle, chlorine cylinder, bromine water bottle, iodine flask; The rare gas element bomb comprises He, Ne, Ar, Kr, Xe gas cylinder separately; In the mercury bomb liquid mercury is housed.
Bomb is connected on the 6th pipeline by bypass line and no oily piston separately, does not wherein respectively have oily piston and passes through the Glass tubing sintering on the 6th pipeline, 2～6 no oily pistons of sintering on the 6th pipeline; Thereby the air outlet sintering of bomb is communicated to the inlet mouth place of a corresponding bypass line and is connected on the 6th pipeline.
Gas distributing system also comprises the liquid nitrogen tank of bomb cooling and the well heater that bomb is heated.
The present invention has positive effect: Excimer lamp radiating ultraviolet ray intensity height, wavelength-tunable in (1) wastewater treatment equipment of the present invention, directly the multiple lower concentration used water difficult to degradate of photodissociation (comprising coking chemical waste water, pharmacy waste water and waste water from dyestuff etc.) makes it qualified discharge; Device simple to operate, clearance is high, and can realize commercial application.(2) wastewater treatment equipment of the present invention can be regulated power, the frequency of microwave simultaneously, and can change the degree of depth of shape, size and the insertion resonator cavity of electrodeless lamp, makes electrodeless lamp energy continuous and effective ground luminous.(3) wastewater treatment equipment of the present invention is simple in structure, cooperates the vacuum gas distributing system, can be widely used in the photodissociation or the photocatalytic degradation of waste water.(4) vacuum gas distributing system vacuum tightness height of the present invention can be filled different gas and makes it to inspire intensity height, UV-light that light efficiency is high according to handling the concrete required ultraviolet wavelength of waste water.
Description of drawings
Fig. 1 is a micro-wave nonpolar Excimer lamp advanced treatment waste water plant; Fig. 2 is the vacuum gas distributing system of electrodeless quasi-molecule lamp; Fig. 3 is the structural representation of electrodeless quasi-molecule lamp; Fig. 4 is the another kind of structural representation of electrodeless quasi-molecule lamp; Fig. 5 is the frontview of the anchor among Fig. 1; Fig. 6 is the vertical view of the anchor among Fig. 1.
Mark in the above-mentioned accompanying drawing is as follows: microwave power supply 1, cable 1-1, shell 2, column 2-1, adjustable foot 2-2, magnetron 3, resonator cavity housing 4, electrodeless quasi-molecule lamp 5, fluorescent tube 5-1, interior pipe 5-2, wire coil 5-3, blanketing gas 5-4, fan 6, cooling copper tube 7, quartz socket tube 8, purification tank for liquid waste 9, water-in 9-1, water outlet 9-2, gas distributor 9-3, mounting block 10-1, anchor 10-2; Vacuum pump 21, cold well 22, T-valve 23, the first T-valve 23-1, the second T-valve 23-2, diffusion pump 24, scrubbing bottle 25, air outlet 26, bomb 27, halogen bomb 27-1, rare gas element bomb 27-2, mercury bomb 27-3, pressure indicator 28, corrosion-resistant tensimeter 28-1, U-tube manometer 28-2, gas-filled valve 29, drain tap 30, surge flask 31, liquid nitrogen tank 32, well heater 33; First pipeline 41, second pipeline 42, the 3rd pipeline 43, the 4th pipeline 44, the 5th pipeline 45, the 6th pipeline 46, gas ducting 47, bypass line 48, the first bypass line 48-1, the second bypass line 48-2, the 3rd bypass line 48-3, the 4th bypass line 48-4, the 5th bypass line 48-5; Do not have oily piston 51, do not have oily piston 52, the first no oily piston 52-1, the second no oily piston 52-2, the 3rd no oily piston 52-3, the 4th no oily piston 52-4, inflation valve 53.
Embodiment
(gas distributing system of embodiment 1, electrodeless quasi-molecule lamp) sees that Fig. 2, the gas distributing system of the electrodeless quasi-molecule lamp of present embodiment comprise vacuum pump 21, cold well 22, T-valve 23, diffusion pump 24, scrubbing bottle 25, bomb 27, pressure indicator 28, gas-filled valve 29, drain tap 30, surge flask 31 and corresponding pipeline, valve and piston that each part mentioned above is connected; Wherein cold well 22 is for being placed on the pipe special in the liquid nitrogen tank; The pipeline that is used to connect is the glass pipe fitting, and piston is no oily piston, and the used piston of valve also is no oily piston; Gas distributing system also comprises liquid nitrogen tank 32 that bomb 27 is lowered the temperature and the well heater 33 that bomb 27 is heated.
Still see Fig. 2, T-valve 23 comprises the first T-valve 23-1 and the second T-valve 23-2, according to the sequence of motion of gas, first port of the bleeding point of vacuum pump 21, first pipeline 41, no oily piston 51, the cold well 22 of liquid nitrogen, second pipeline 42, the first T-valve 23-1 links to each other successively; First port of the 3rd port of the first T-valve 23-1, the 3rd pipeline 43, the second T-valve 23-2 links to each other successively; First bleeding point of second port of the second T-valve 23-2, the 4th pipeline 44, diffusion pump 24 links to each other successively; Second bleeding point of second port of the first T-valve 23-1, the 5th pipeline 45, diffusion pump 24 links to each other successively; The 3rd port of the second T-valve 23-2 links to each other with scrubbing bottle 25, bomb 27 (present embodiment is 3), pressure indicator 28, surge flask 31 and gas ducting 47 respectively by the 6th pipeline 46; First port of above-mentioned T-valve 23 is the left end port, and second port is the right-hand member port, and the 3rd port is top port (Fig. 2); The port away from an end of the 3rd port of the second T-valve 23-2 of the 6th pipeline 46 is a venting port, and this port is provided with a drain tap 30.Gas ducting 47 is near drain tap 30.
The used scrubbing bottle 25 of present embodiment is the argon gas steel cylinder, and the argon gas steel cylinder is connected on the 6th pipeline 46 through being in series with manometric the 5th bypass line 48-5.
Above-mentioned bomb 27 and surge flask 31 are connected on the 6th pipeline 46 by bypass line 48 and no oily piston 52 separately, wherein each no oily piston 52 is communicated with on the 6th pipeline 46 by the Glass tubing sintering, but 2～6 no oily pistons 52 of sintering on the 6th pipeline 46, present embodiment is 4, is respectively the first no oily piston 52-1, the second no oily piston 52-2, the 3rd no oily piston 52-3 and the 4th no oily piston 52-4.The inlet mouth of the first no oily piston 52-1 links to each other with the air outlet of the first bypass line 48-1, and the inlet mouth of the first bypass line 48-1 is in closed state.The inlet mouth of the second no oily piston 52-2 links to each other with the air outlet of the second bypass line 48-2, and the inlet mouth of the second bypass line 48-2 is in closed state.The inlet mouth of the 3rd no oily piston 52-3 links to each other with the air outlet of the 3rd bypass line 48-3, and the inlet mouth of the 3rd bypass line 48-3 is in closed state.The lower port of the 4th no oily piston 52-4 links to each other with the upper port of the 4th bypass line 48-4, and the lower port of the 4th bypass line 48-4 links to each other with the air inlet/outlet of surge flask 31.
When operation, select corresponding bomb 27, air outlet 26 sintering of bomb 27 are communicated to the inlet mouth place of a corresponding bypass line 48, thereby can link to each other with the 6th pipeline 46 according to concrete required gas.Well heater 33 is positioned at the below of the first no oily piston 52-1, and liquid nitrogen tank 32 is positioned at the below of the 3rd no oily piston 52-3.
3 bombs 27 of this gas distributing system are respectively halogen bomb 27-1, rare gas element bomb 27-2 and mercury bomb 27-3; Wherein halogen bomb 27-1 can select a kind in fluorine gas bottle, chlorine cylinder, bromine water bottle, iodine flask, and present embodiment is selected iodine flask; Rare gas element bomb 27-2 then can select a kind in He, Ne, Ar, Kr, Xe gas cylinder separately, present embodiment is selected the krypton gas cylinder; Among the mercury bomb 27-3 liquid mercury is housed, present embodiment does not adopt.
Above-mentioned pressure indicator 28 comprises corrosion-resistant tensimeter 28-1 and U-tube manometer 28-2, the optional vitriol oil of indicating liquid, strong phosphoric acid or the vacuum grease among the U-tube manometer 28-2 (present embodiment selection vacuum grease) wherein, during the scope of the pressure of filling when gas at 10torr to 760torr (1 torr is equivalent to the pressure of 1 millimeter of mercury), pressure by corrosion-resistant tensimeter 28-1 indication mechanism filling, when the pressure that system fills less, promptly when the scope of 0.1torr to 10torr, by the pressure of U-tube manometer 28-2 indication mechanism filling.
Gas-filled valve 29 has several, and present embodiment is provided with 4, and each gas-filled valve 29 is connected on the 6th pipeline 46 through corresponding inflation valve 53 and gas ducting 47; Described gas ducting 47 is arranged on apart between vacuum pump 21 bomb 27 and surge flask 30 farthest; The air outlet of described gas-filled valve 29 is exactly the filling mouth of gas in the electrodeless quasi-molecule lamp.
During use, the air distributing method of electrodeless quasi-molecule lamp may further comprise the steps: 1. close all valves and piston, on the air outlet of one of them gas-filled valve 29 of vacuum gas distributing system, these gas-filled valve 29 pairing inflation valves 53 are opened with the fluorescent tube 5-1 sintering of electrodeless quasi-molecule lamp 5; Connect bomb 27: make the inlet mouth of the first bypass line 48-1 under the remollescent situation of being heated, become the state that is communicated with air outlet 26 sintering of iodine flask 27-1 by closed state, make the inlet mouth of the second bypass line 48-2 under the remollescent situation of being heated, become the state that is communicated with the air outlet sintering of krypton gas cylinder 27-2 again, keep the closed state of inlet mouth of the 3rd bypass line 48-3 constant by closed state.
2. open no oily piston 51 and 2 T-valve 23, open vacuum pump 21 again and vacuumize, treat that intrasystem pressure drops to 1 * 10
-3When torr is following, open diffusion pump 24, continue to vacuumize, be lower than 1 * 10 until intrasystem pressure
-5Torr satisfies the filling requirement with the vacuum tightness that guarantees system.
3. opening scrubbing bottle 25 is the argon gas steel cylinder, by argon gas total system is cleaned, and vacuumizes then until intrasystem pressure to be lower than 1 * 10
-5Torr, 3 times repeatedly, pressure＜10 in the final system
-5Torr closes no oily piston 51 and 2 T-valve 23.
4. in fluorescent tube, inflate, charge into iodine vapor earlier: open the well heater 33 that is arranged under the iodine flask 27-1, open the pairing first no oily piston 52-1 again, observe U-tube manometer 28-2, in the fluorescent tube of electrodeless quasi-molecule lamp 5, charge into the I of 0.5torr with iodine flask 27-1
2Steam is closed this first no oily piston 52-1 after charging; Then in fluorescent tube 5-1, charge into krypton gas: open the krypton gas cylinder 27-2 pairing second no oily piston 52-2, observe U-tube manometer 28-2, in the fluorescent tube 5-1 of electrodeless quasi-molecule lamp 5, charge into the krypton gas of 1torr, close this second no oily piston 52-2 after charging.
5. use flame gun sealed-off fluorescent tube 5-1, obtained filling the I of 0.5torr
2The electrodeless quasi-molecule lamp 5 of the krypton gas of steam and 1torr; Close this inflation inlet 29 pairing inflation valves 53.
6. open no oily piston 51 and 2 T-valve 23, unlatching vacuum pump 21 vacuumizes until intrasystem pressure and drops to 1 * 10
-3Below the torr, make total system be in vacuum state substantially, unnecessary iodine vapor then is recycled to substantially in the cold well 22 of liquid nitrogen of vacuum pump 21 front ends and is in freezing state in the pipeline, in order to avoid etching mechanism pump and harm surrounding environment and HUMAN HEALTH.
Because vacuum gas distributing system of the present invention is at inflation initial vacuum degree height, the gas purity of being filled is very high again, so luminous intensity height, the light efficiency height of resulting electrodeless quasi-molecule lamp, and the life-span of lamp is long, and can reach more than 10,000 hours work-ing life.
(gas distributing system of embodiment 2, electrodeless quasi-molecule lamp) sees Fig. 3 and referring to Fig. 2, and the target of present embodiment is the fluorescent tube 5-1 of electrodeless quasi-molecule lamp 5 that will make the bromine vapor of the krypton gas that charges into 2torr and 0.5torr.
The rest part of the gas distributing system of the electrodeless quasi-molecule lamp of present embodiment is substantially the same manner as Example 1, and difference is: in the used bomb 27, halogen bomb 27-1 is the bromine water bottle.
The step of the air distributing method of the rest part of air distributing method and embodiment 1 is basic identical, difference is: step 1. in, when connecting bomb 27, keep the closed state of inlet mouth of the first bypass line 48-1 constant, still make the inlet mouth of the second bypass line 48-2 under the remollescent situation of being heated, become the state that is communicated with the air outlet sintering of krypton gas cylinder 27-2, make the inlet mouth of the 3rd bypass line 48-3 under the remollescent situation of being heated, become the state that is communicated with the air outlet sintering of bromine water bottle 27-1 by closed state by closed state.
The target of (gas distributing system of embodiment 3, electrodeless quasi-molecule lamp) present embodiment is the fluorescent tube 5-1 of electrodeless quasi-molecule lamp 5 that will make the mercury vapour of argon gas that the blanketing gas 5-4 that charges into is 0.2torr and 0.5torr.
The rest part of the gas distributing system of the electrodeless quasi-molecule lamp of present embodiment is substantially the same manner as Example 1, and difference is: when selecting bomb 27, without halogen bomb 27-1, adopt rare gas element bomb 27-2 and mercury bomb 27-3.Used rare gas element bomb 27-2 is the argon gas steel cylinder; The mercury bomb 27-3 also claim the mercury bottle.
The step of the air distributing method of the rest part of air distributing method and embodiment 1 is basic identical, difference is: step 1. in, when connecting bomb 27, keep the closed state of inlet mouth of the first bypass line 48-1 constant, make the inlet mouth of the second bypass line 48-2 under the remollescent situation of being heated, become the state that is communicated with the air outlet sintering of argon gas steel cylinder 27-2, make the inlet mouth of the 3rd bypass line 48-3 under the remollescent situation of being heated, become the state that is communicated with the air outlet sintering of mercury bottle 27-3 by closed state by closed state.
(embodiment 4, micro-wave nonpolar Excimer lamp are handled the device of waste water) sees Fig. 1, the device that the micro-wave nonpolar Excimer lamp of present embodiment is handled waste water comprises microwave power supply 1, microwave generator, electrodeless quasi-molecule lamp 5 and purification tank for liquid waste 9, and the power of microwave power supply 1 can be regulated in 0 to 800W scope.
The bottom of resonator cavity housing 4 has an open holes, this open holes is over against the threaded mounting hole of shell 2 bottoms, promptly the axis in two holes is identical, and the diameter of the open holes of resonator cavity housing 4 is identical with the external diameter size of the part of electrodeless quasi-molecule lamp 5 insertion resonator cavity housings 4.
See Fig. 3 and Fig. 4, above-mentioned electrodeless quasi-molecule lamp 5 comprises fluorescent tube 5-1, interior pipe 5-2, wire coil 5-3 and blanketing gas 5-4 etc. by embodiment 1 preparation.Fluorescent tube 5-1 is made by silica glass, fluorescent tube 5-1 closed at both ends, interior pipe 5-2 can all be arranged on fluorescent tube 5-1 interior (Fig. 3) or expose the upper end and part is arranged in the fluorescent tube 5-1 (Fig. 4), the interior coated metal coil 5-3 of interior pipe 5-2, and this wire coil 5-3 also can be replaced by tinsel; Described blanketing gas 5-4 can carry out gas with embodiment 1 described gas distributing system and fill according to the waste water required wavelength of degrading.
The end that electrodeless quasi-molecule lamp 5 has been fixed wire coil 5-3 is arranged in the resonator cavity housing 4 by a mounting block 10-1, described mounting block 10-1 one is the externally threaded hollow metal tube of notch cuttype band, the internal diameter of this hollow metal tube and electrodeless quasi-molecule lamp 5 insert the external diameter equal and opposite in direction of the part of resonator cavity housing 4, the external diameter on hollow metal tube top is greater than the external diameter of bottom, and the outer side on hollow metal tube top is provided with outside screw, and match with the threaded mounting hole of shell 2 bottoms, thereby mounting block 10-1 is fixed on the bottom of shell 2, and the upper end of electrodeless quasi-molecule lamp 5 is stretched in the resonator cavity housing 4 by the open holes of mounting block 10-1 intermediary through hole resonant cavity housing 4 bottoms from the bottom up.
The bottom of electrodeless quasi-molecule lamp 5 is with quartz socket tube 8, and quartz socket tube 8 lower end closed upper end is uncovered, and the length of quartz socket tube 8 (height among Fig. 1) is greater than the degree of depth (height among Fig. 1) of purification tank for liquid waste 9.Quartz socket tube 8 is fixed on the electrodeless quasi-molecule lamp 5 by the anchor 10-2 that 1～3 (present embodiment is 2) is arranged in quartz socket tube 8.
See Fig. 5 and Fig. 6, described anchor 10-2 main body is an open circle of being made by the rubber-like material, and material is a tetrafluoroethylene.The internal diameter size of open circle is identical with the external diameter size of the fluorescent tube 5-1 of electrodeless quasi-molecule lamp 5; On the periphery wall of open circle, also comprise 3～6 projectioies (present embodiment is 4), anchor 10-2 interfixes by the inwall wringing fit of projection with quartz socket tube 8, the open circle of anchor 10-2 is stretched into and both wringing fits in the lower end of fluorescent tube 5-1, thereby quartz socket tube 8 is fixed on the fluorescent tube 5-1.
Still see Fig. 1, above-mentioned purification tank for liquid waste 9 is placed on the bottom of shell 2, purification tank for liquid waste 9 sidewall on one side is provided with water-in 9-1 and the water outlet 9-2 that is positioned at the same side, and water-in 9-1 is positioned at the top of purification tank for liquid waste 9, and water outlet 9-2 is positioned at the bottom of purification tank for liquid waste 9; The bottom of purification tank for liquid waste 9 also is provided with gas distributor 9-3, and gas distributor 9-3 links to each other with gas blower or oxygen canister by gas pipe line, and described gas distributor 9-3 all has the box body of some apertures for each sidewall.
During work, earlier the top of mounting block 10-1 is screwed in the threaded mounting hole of shell 2 bottoms and be fixed on the bottom of shell 2, the upper end of electrodeless quasi-molecule lamp 5 is entered in the resonator cavity housing 4 by the open holes of mounting block 10-1 intermediary through hole resonant cavity housing 4 bottoms from the bottom up, wherein be with on the fluorescent tube 5-1 of electrodeless quasi-molecule lamp 5 between the upper and lower every 2 rubber rings, thereby make fluorescent tube 5-1 and mounting block 10-1 fixing by rubber ring elasticity chucking, 1/5～1/3 part of fluorescent tube is positioned at resonator cavity housing 4; Again the lower end of fluorescent tube 5-1 is inserted and be arranged in the through hole of the anchor 10-2 in the quartz socket tube 8, make quartz socket tube 8 be fixed on the fluorescent tube 5-1 lower end of electrodeless quasi-molecule lamp 5, thereby the lower end of fluorescent tube 5-1 have and comprise that fluorescent tube 5-1 is from interior two-layer silica glass; Adjusting is connected the adjustable foot 2-2 of shell 2 bottoms, makes electrodeless quasi-molecule lamp 5 be in the appropriate location of purification tank for liquid waste 9 (bottom of present embodiment lamp is highly located apart from 1/4 at the bottom of the pond at purification tank for liquid waste 9).
With concentration is the quinoline aqueous solution of 100mg/L, and regulating pH is about 6.0, and the water-in 9-1 from purification tank for liquid waste 9 feeds in the pond with the flow velocity of 0.5～3L/h, and waste water stops 10 to 60min in treating pond; Open the gas blower that is connected with gas distributor 9-3, connect microwave power supply 1, the high-tension current that microwave power supply 1 is exported transmits through cable 1-1, be converted to microwave through magnetron 3 again, microwave power is controlled at 300W, microwave makes the electrodeless quasi-molecule lamp 5 that is inserted in the resonator cavity housing 4 be excited to send ultraviolet radiation when being pooled to certain intensity in resonator cavity housing 4, see through quartz glass sleeve, directly the photodissociation pollutants in waste water.The residence time is detected the concentration of quinoline from water outlet 9-2 effluent liquid when being 60min, and the concentration of quinoline is 50% of starting point concentration, and promptly pollutants removal rate reaches 50%.
If when handling in the purification tank for liquid waste 9 H of adding 0.3%
2O
2, the quinoline concentration that detects effluent liquid after 1 hour is 10% of starting point concentration, significantly improves its clearance.
Change electrodeless quasi-molecule lamp 5 into low pressure mercury lamp during work, under identical output rating, low pressure mercury lamp degraded quinoline, its clearance is lower than 10%.
Present embodiment by the fan 6 and the recirculated water cooling two-stage type of cooling, makes the surface of the light tube temperature moderate in order to guarantee heat radiation in the microwave resonance cavity shell 4, and holding temperature is at 40 ℃～60 ℃, KrI in this temperature range
*Quasi-molecule is easy to form, and guaranteed high light efficiency, and it is luminous to make that fluorescent tube can continue; Prevent owing to temperature surpasses light efficiency that optimum temps causes and descend even cause that the cancellation of electrodeless lamp stops situations such as luminous.
In the present embodiment, there is two-layer silica glass the lower end of fluorescent tube 5-1, and fluorescent tube 5-1 and waste water solution are separated, and the temperature of keeping fluorescent tube 5-1 lower end is in 40 ℃～60 ℃ scopes, make the interior gas of fluorescent tube can continue to be excited, and guarantee that further electrodeless quasi-molecule lamp 5 starts soon, the lamp life-span is long; (＜200nm) uv transmittance is greater than 40%, and the uv transmittance of right＞200nm is greater than 60% to short ultraviolet region for the silica glass that present embodiment adopted.
During the present embodiment degrading waste water, constantly charge into oxygen or air to solution, one plays stirring action, and solution is mixed; Two under the irradiation of the UV-light of microwave-excitation, O
2By photodissociation is the O free radical, further improves degradation effect with the pollutent effect.
Though the electrodeless quasi-molecule lamp of present embodiment is photodissociation waste water directly, can also be by adding some oxygenants such as H
2O
2, O
3Deng forming the high-level oxidation technology degrading waste water, make it quick qualified discharge, the pollutent of especially big, difficult degradation for number molecular weight.
The device rest part that the micro-wave nonpolar Excimer lamp of (embodiment 5, micro-wave nonpolar Excimer lamp are handled the device of waste water) present embodiment is handled waste water is identical with embodiment 4, and difference is: the used electrodeless quasi-molecule lamp 5 of present embodiment is prepared by embodiment 2.
During work, be dimethyl phthalate (DMP) aqueous solution of 100mg/L, regulate pH and be 7 backs and feed in the pond that waste water stops 30min in treating pond with the flow velocity of 1.5L/h water-in 9-1 from purification tank for liquid waste 9 with concentration; Open the gas blower that is connected with gas distributor 9-3, connect microwave power supply 1, the high-tension current that microwave power supply 1 is exported transmits through cable 1-1, be converted to microwave through magnetron 3 again, microwave power is controlled at 500W, microwave makes the electrodeless quasi-molecule lamp 5 that is inserted in the resonator cavity housing 4 be excited to send ultraviolet radiation when being pooled to certain intensity in resonator cavity housing 4, see through quartz glass sleeve, direct photodissociation pollutants in waste water, the concentration of detection DMP from water outlet 9-2 effluent liquid, the clearance of DMP reaches 82.5%.
The device rest part that the micro-wave nonpolar Excimer lamp of (embodiment 6, micro-wave nonpolar Excimer lamp are handled the device of waste water) present embodiment is handled waste water is identical with embodiment 4, and difference is: the used electrodeless quasi-molecule lamp 5 of present embodiment is prepared by embodiment 3.
With concentration is the pyridine solution of 120mg/L, and regulating pH is 5, and the water-in 9-1 from purification tank for liquid waste 9 feeds in the pond with the flow velocity of 1.5L/h, and waste water stops 30min in treating pond; Open the gas blower that is connected with gas distributor 9-3, connect microwave power supply 1, the high-tension current that microwave power supply 1 is exported transmits through cable 1-1, be converted to microwave through magnetron 3 again, microwave power is controlled at 200W, microwave makes the electrodeless quasi-molecule lamp 5 that is inserted in the resonator cavity housing 4 be excited to send ultraviolet radiation when being pooled to certain intensity in resonator cavity housing 4, see through quartz glass sleeve, direct photodissociation pollutants in waste water, the concentration of detection pyridine from water outlet 9-2 effluent liquid, pollutent is removed fully.
Claims (10)
1. a micro-wave nonpolar Excimer lamp is handled the device of waste water, comprise microwave power supply (1), microwave generator, electrodeless quasi-molecule lamp (5) and purification tank for liquid waste (9), microwave generator comprises shell (2), magnetron (3), resonator cavity housing (4), it is characterized in that:
Purification tank for liquid waste (9) places shell (2) below of microwave generator, and 1/5～1/3 partial fixing of electrodeless quasi-molecule lamp (5) is in resonator cavity housing (4);
Electrodeless quasi-molecule lamp (5) does not place the part in the resonator cavity housing (4) also to be with the open quartz socket tube of a lower end closed upper end (8), and places purification tank for liquid waste (9);
Microwave generator also comprises fan (6) and the cooling copper tube (7) to resonator cavity housing (4) cooling, fan (6) is fixed on the inner side-wall of shell (2), and its blade is over against resonator cavity housing (4), and cooling copper tube (7) welding is wrapped in the outside surface of shell (2).
2. micro-wave nonpolar Excimer lamp according to claim 1 is handled the device of waste water, it is characterized in that: shell (2) by stent support on the ground, described support comprises column (2-1) and height-adjustable foot (2-2).
3. micro-wave nonpolar Excimer lamp according to claim 1 is handled the device of waste water, and it is characterized in that: the bottom center of shell (2) is provided with threaded mounting hole, and the bottom of resonator cavity housing (4) has an open holes, and two holes are coaxial;
Electrodeless quasi-molecule lamp (5) is fixed in the resonator cavity housing (4) by mounting block (10-1), described mounting block (10-1) is to be with externally threaded hollow pipe fitting, the internal diameter of pipe fitting and electrodeless quasi-molecule lamp (5) insert the external diameter equal and opposite in direction of the part of resonator cavity housing (4), the outside screw that the outer side of pipe fitting is provided with shell (2) thus bottom the threaded mounting hole mounting block (10-1) that matches be fixed on the bottom of shell (2);
The upper end of electrodeless quasi-molecule lamp (5) enters and is fixed in the resonator cavity by the open holes of mounting block (10-1) intermediary through hole resonant cavity housing (4) bottom from the bottom up.
4. micro-wave nonpolar Excimer lamp according to claim 1 is handled the device of waste water, it is characterized in that: quartz socket tube (8) is fixed on the electrodeless quasi-molecule lamp (5) by 1～3 anchor (10-2) that is arranged in quartz socket tube (8), the main body of described anchor (10-2) is a rubber-like open circle, and the internal diameter size of open circle is identical with the external diameter size of the fluorescent tube (5-1) of electrodeless quasi-molecule lamp (5); On the periphery wall of open circle, also comprise 3～6 when using and the inwall wringing fit of quartz socket tube (8) and the projection that interfixes.
5. micro-wave nonpolar Excimer lamp according to claim 1 is handled the device of waste water, it is characterized in that: described electrodeless quasi-molecule lamp (5) comprises fluorescent tube (5-1), interior pipe (5-2), wire coil (5-3) and blanketing gas (5-4), fluorescent tube (5-1) is made and closed at both ends by silica glass, and interior pipe (5-2) can all or part ofly be arranged in the fluorescent tube (5-1).
6. the gas distributing system of an electrodeless quasi-molecule lamp comprises corresponding pipeline, valve or piston that vacuum pump (21), T-valve (23), diffusion pump (24), scrubbing bottle (25), bomb (27), pressure indicator (28), gas-filled valve (29), venting port, surge flask (31) are connected with each several part; It is characterized in that: comprising that also one is arranged on the cold well (22) between vacuum pump (21) and the T-valve (23), also is the preceding cold well (22) that also is provided with of vacuum pump (21);
T-valve (23) comprises first T-valve (23-1) and second T-valve (23-2), and according to the sequence of motion of gas, the bleeding point of vacuum pump (21) links to each other through first port of the cold well of liquid nitrogen (22) with first T-valve (23-1); The 3rd port of first T-valve (23-1) links to each other through first port of pipeline with second T-valve (23-2); Second port of second T-valve (23-2) links to each other through first bleeding point of pipeline with diffusion pump (24); Second bleeding point of diffusion pump (24) links to each other through second port of pipeline with first T-valve (23-1); The 3rd port of second T-valve (23-2) by the 6th pipeline (46) respectively with scrubbing bottle (25), bomb (27), pressure indicator (28), surge flask (31) and gas ducting (47) link to each other; The 6th pipeline (46) is not closed away from the port of second T-valve (23-2), and this port is provided with a drain tap (30) as venting port.
7. the gas distributing system of electrodeless quasi-molecule lamp according to claim 6, it is characterized in that: pressure indicator (28) comprises indication greater than the corrosion-resistant tensimeter (28-1) of 10torr force value and the U-tube manometer (28-2) of indication 0.1torr to 10torr force value, and the indicating liquid in the U-tube manometer (28-2) is the vitriol oil, strong phosphoric acid or vacuum grease.
8. the gas distributing system of electrodeless quasi-molecule lamp according to claim 6, it is characterized in that: bomb (27) comprises halogen bomb (27-1), rare gas element bomb (27-2), mercury bomb (27-3); Wherein halogen bomb (27-1) comprises fluorine gas bottle, chlorine cylinder, bromine water bottle, iodine flask; Rare gas element bomb (27-2) comprises He, Ne, Ar, Kr, Xe gas cylinder separately; In the mercury bomb (27-3) liquid mercury is housed.
9. the gas distributing system of electrodeless quasi-molecule lamp according to claim 6, it is characterized in that: bomb (27) is connected on the 6th pipeline (46) by bypass line (48) and no oily piston (52) separately, wherein respectively do not have oily piston (52) and pass through the Glass tubing sintering on the 6th pipeline (46), the 6th pipeline (46) is gone up 2～6 no oily pistons of sintering (52); Air outlet (26) sintering of bomb (27) be communicated to a corresponding bypass line (48) thus the inlet mouth place be connected on the 6th pipeline (46).
10. the gas distributing system of electrodeless quasi-molecule lamp according to claim 6 is characterized in that: gas distributing system also comprises to the liquid nitrogen tank (32) of bomb (27) cooling with to the well heater (33) of bomb (27) heating.
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| CN2010102034362A CN101857283B (en) | 2010-06-18 | 2010-06-18 | Device for treating waste water with microwave electrodeless excimer lamp and gas distributing system for lamp |
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| CN2010102034362A CN101857283B (en) | 2010-06-18 | 2010-06-18 | Device for treating waste water with microwave electrodeless excimer lamp and gas distributing system for lamp |
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| CN201110392581.4A Division CN102496544B (en) | 2010-06-18 | 2010-06-18 | Gas distributing system of non-polar excimer lamp and gas distributing method thereof |
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| CN104329907A (en) * | 2014-11-20 | 2015-02-04 | 南京艾布纳密封技术有限公司 | Permeating tank refrigeration device |
| CN104370327A (en) * | 2014-10-21 | 2015-02-25 | 苏州富奇诺水治理设备有限公司 | Cooling method of microwave generator for microwave sewage treatment equipment |
| CN106745479A (en) * | 2016-11-21 | 2017-05-31 | 江苏理工学院 | A kind of short wavelength's electrodeless ultraviolet light purifies waste water/pure water device and method |
| CN108975450A (en) * | 2017-05-30 | 2018-12-11 | 刘爱萍 | Multistage electrodeless photocatalytic water treatment device |
| CN116605938A (en) * | 2023-07-20 | 2023-08-18 | 天科院环境科技发展（天津）有限公司 | Cryogenic distillation apparatus and cryogenic distillation tank |
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| CN104370327A (en) * | 2014-10-21 | 2015-02-25 | 苏州富奇诺水治理设备有限公司 | Cooling method of microwave generator for microwave sewage treatment equipment |
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| CN106745479A (en) * | 2016-11-21 | 2017-05-31 | 江苏理工学院 | A kind of short wavelength's electrodeless ultraviolet light purifies waste water/pure water device and method |
| CN106745479B (en) * | 2016-11-21 | 2020-09-15 | 江苏理工学院 | Short-wavelength electrodeless ultraviolet wastewater/pure water purification device and method |
| CN108975450A (en) * | 2017-05-30 | 2018-12-11 | 刘爱萍 | Multistage electrodeless photocatalytic water treatment device |
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