CN109748244A - A kind of low concentration ozone generating device and the method for preparing low concentration ozone - Google Patents
A kind of low concentration ozone generating device and the method for preparing low concentration ozone Download PDFInfo
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- CN109748244A CN109748244A CN201910105681.0A CN201910105681A CN109748244A CN 109748244 A CN109748244 A CN 109748244A CN 201910105681 A CN201910105681 A CN 201910105681A CN 109748244 A CN109748244 A CN 109748244A
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Abstract
A kind of method that the present invention discloses low concentration ozone generating device and prepares low concentration ozone.Low concentration ozone generating device includes: ozone generator, including the internal ontology for closed cavity, ontology includes the first air intake and ozone outlet being connected to cavity, and low pressure mercury lamp and ultraviolet light intensity detector are equipped in cavity, and ozone outlet connects first flow controller；Pressure controller connects the first air intake；Mixer, including low concentration ozone outlet, first flow controller connect mixer；Second flow controller, including second air intake and air outlet slit, air outlet slit connect mixer；Control unit is separately connected low pressure mercury lamp, ultraviolet light intensity detector, pressure controller and second flow controller.Low concentration ozone generating device of the invention has structure simple, at low cost, and response is fast, and precision is high, the high advantage of stability.
Description
Technical field
The invention belongs to testing equipment field more particularly to a kind of low concentration ozone generating device and prepare low concentration ozone
Method.
Background technique
Ozone is one of air strong oxidizer, be environmental contaminants chemical change Primary Actor and the person of urging,
It is to form pollutant important gas and the important monitoring object of environmental contaminants in surrounding air.Ozone stable is very poor, normal
Temperature is lower can be voluntarily decomposed into oxygen, so preparation normal concentration ozone gas must be used with the method with generation.
A kind of existing device for preparing low concentration ozone is sent out using double light path difference photometer feedback control ozone
The concentration that raw device occurs, such scenario-frame is complicated, and response speed is slow, at high cost.Another ozone generating-device, no signal
Feedback and stabilising arrangement, the ozone concentration that such ozone generating-device occurs is unstable, and accuracy is inadequate.
Summary of the invention
To solve the above-mentioned problems, the present invention proposes a kind of low concentration ozone generating device and prepares the side of low concentration ozone
Method detects and controls the ultraviolet ray intensity of ozone generator, and structure is simple, at low cost.
The embodiment of the present invention provides a kind of low concentration ozone generating device, comprising:
Ozone generator, including the internal ontology for closed cavity, the ontology includes first be connected to the cavity
Air intake and ozone outlet, are equipped with low pressure mercury lamp and ultraviolet light intensity detector in the cavity, the ozone outlet connection the
One flow controller；
Pressure controller connects first air intake；
Mixer, including low concentration ozone outlet, the first flow controller connect the mixer；
Second flow controller, including second air intake and air outlet slit, the air outlet slit connect the mixer；
Control unit is separately connected the low pressure mercury lamp, ultraviolet light intensity detector, pressure controller and second flow control
Device.
Above-mentioned low concentration ozone generating device further includes first pressure sensor and second pressure sensor, first pressure
Force snesor is arranged between the pressure controller and the first air intake, the second pressure sensor connection described second
Air intake, the first pressure sensor and second pressure sensor are connect with control unit respectively.
In above-mentioned low concentration ozone generating device, the ozone generator further includes heater, and the heater connects institute
Ontology is stated, described control unit connects the heater.
Above-mentioned low concentration ozone generating device further includes the first three-way connection, the first end connection of first three-way connection
The gas access of the pressure controller, second end connect the second air intake, and third end is as air inlet.
Above-mentioned low concentration ozone generating device further includes shut-off valve, and one end of the shut-off valve connects the first flow control
Device processed, the other end connect the mixer.
Above-mentioned low concentration ozone generating device further includes the second three-way connection, the first end connection of second three-way connection
The shut-off valve, second end connect the second flow controller, and third end connects the mixer.
In above-mentioned low concentration ozone generating device, the first flow controller is arranged at the ozone outlet.
The embodiment of the present invention, which also provides a kind of utilization, should state the side that low concentration ozone generating device prepares low concentration ozone
Method, which is characterized in that comprising steps of
A, zero air enters ozone generator with constant pressure, forms high ozone under the ultraviolet light of low pressure mercury lamp
Gas, the high ozone gas enter mixer with constant flow, keep preset temperature in the ozone generator；Wherein,
Ultraviolet light intensity detector detects the ultraviolet ray intensity of the low pressure mercury lamp, will test signal and is sent to control unit, control unit
According to the voltage of detection Signal Regulation low pressure mercury lamp.
B, zero air enters the mixer as diluent gas with constant flow；
C, high ozone gas described in the mixer is mixed with diluent gas, forms low concentration ozone.
In the step A of the above-mentioned method for preparing low concentration ozone, the preset temperature is 50 ± 0.2 DEG C.
In the above-mentioned method for preparing low concentration ozone, first pressure sensor detects the first air of the ozone generator
The gas pressure of entrance, the gas pressure of the second air intake of the second pressure sensor detection second flow controller,
And it will test signal respectively and be sent to described control unit.
Low concentration ozone generating device of the invention and the method for preparing low concentration ozone are examined using ultraviolet light intensity detector
The ultraviolet ray intensity for surveying ozone generator, the concentration of output ozone is precisely controlled by control unit；Structure is simple, simplifies life
At the gas circuit of low concentration ozone, production cost is reduced；The response of low concentration ozone generating device is fast, and precision is high, and stability is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of low concentration ozone generating device of the embodiment of the present invention.
Specific embodiment
Below in conjunction with drawings and examples, a specific embodiment of the invention is described in more details, so as to energy
The advantages of enough more fully understanding the solution of the present invention and its various aspects.However, specific embodiments described below and implementation
Example is for illustrative purposes only, rather than limiting the invention.
Heretofore described " connection " unless otherwise specific regulation or is limited, should be broadly understood, can be directly
It is connected, is also possible to be connected by intermediary.In the description of the present invention, it is to be understood that, "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", " top ", " bottom end " is orientation based on the figure or position
Relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
As shown in Figure 1, the embodiment of the present invention provides a kind of low concentration ozone generating device.Low concentration ozone generating device packet
It includes: ozone generator 1, pressure controller 2, mixer 3, second flow controller 4, control unit 5 etc..By being accurately controlled
The ozone concentration that ozone generator 1 exports, mixes with diluent gas in mixer 3, obtains required low concentration ozone, low dense
The content of ozone can be precisely controlled in degree ozone.
Ozone generator 1 is closed cavity for generating ozone gas, including ontology 11, the inside of ontology 11.Ontology
It is equipped with the first air intake 12 and ozone outlet 13, the first air intake 12 and ozone outlet 13 are connected to cavity.Low-pressure mercury
Capable of emitting ultraviolet light, low pressure mercury lamp 14 are fixed on ontology 11 when the energization of lamp 14, and the luminous component of low pressure mercury lamp 14 extends such as this
The cavity of body 11.Ultraviolet light intensity detector 15 is equipped in cavity, ultraviolet light intensity detector 15 can detect the sending of low pressure mercury lamp 14
The intensity of ultraviolet light, and generate detection signal.
Ozone outlet 13 is connected with first flow controller 16, and first flow controller 16 can control ozone generator 1 defeated
The flow of gas out.Optionally, the first flow controller 16 of the present embodiment is flow restriction pore structure part, and structure is simple, peace
At ozone outlet 13.Such setting, not only can reach control 1 output gas of ozone generator flow, but also can reduce at
This.If first flow controller 16 is automatically controlled flow controller, may be provided at except ozone outlet 13.
Pressure controller 2 is the device for adjusting eluting gas pressure, including gas access 21 and gas vent 22, and gas goes out
Mouth 22 connects the first air intake 12 of ozone generators, so that the gas into ozone generator 1 is constant pressure.This reality
It applies in example, the gas for being used to prepare ozone is zero air of clean dry.Zero air is by pressure controller 2 with constant pressure
Into the cavity of ozone generator 1.
The ozone generator 1 of the present embodiment, the specific wavelength ultraviolet light that low pressure mercury lamp 14 issues can irradiate in zero air
Oxygen combines, and forms ozone.By the adjusting of pressure controller 2 and first flow controller 16, containing in ozone generator 1
The high ozone gas of high-concentrated ozone is exported with constant pressure and flow.
Mixer 3 is gas mixing vessel, including low concentration ozone outlet 31.First flow controller 16 connects mixer
3, in the present embodiment, first flow controller 16 connects mixer 3 by ozone outlet 13.If first flow controller 16 is electricity
The flow controller of control, then one end of first flow controller 16 connects ozone outlet 13, and the other end connects mixer 3.
Second flow controller 4 includes second air intake 41 and air outlet slit 42, and air outlet slit 42 connects mixer 3.
Zero air of part clean dry is as diluent gas, and into mixer 3, and high ozone gas mixing is obtained required low dense
Spend ozone.Second flow controller 4 is the flow that delicate flow controller can control diluent gas, guarantees what mixer 3 obtained
Low concentration ozone meets demand.
Control unit 5 is the control unit of low concentration ozone generating device, can be miniature computer, be embedded in low concentration
In ozone generating-device.Control unit 5 is separately connected low pressure mercury lamp 14, ultraviolet light intensity detector 15, pressure controller 2 and second
Flow controller 4.
Make the high ozone gas and dilution into mixer 3 by control pressure controller 2 and second flow controller 4
Gas is constant pressure and flow.Ozone generator 1 at a constant temperature, produces the hair of ozoniferous concentration Yu low pressure mercury lamp 14
Luminous intensity is directly proportional.The ultraviolet ray intensity that 15 real-time detection low pressure mercury lamp 14 of ultraviolet light intensity detector issues, and will test signal
It is sent to control unit 5, control unit 5 compares the ozone concentration in high ozone gas with setting value according to detection signal
Compared with, if the ozone concentration in high ozone gas is not inconsistent with setting value, the voltage of low pressure mercury lamp 14 is adjusted, it is ultraviolet accurately to control
Luminous intensity, and then ozone concentration needed for the output of accurate stable.
The low concentration ozone generating device of the present embodiment has structure simple, at low cost, and response is fast, and precision is high, stability
High advantage.
Optionally, above-mentioned low concentration ozone generating device further includes first pressure sensor 61 and second pressure sensor
62.First pressure sensor 61 is arranged between pressure controller 2 and the first air intake 12, enters ozone for detecting
The pressure of the gas of device 1.First pressure sensor 61 connects control unit 5, will test signal and is sent to control unit 5.Second
Pressure sensor 62 connects second air intake 41, for detecting the pressure for entering the gas of second flow controller 4.Second pressure
Force snesor 62 is connect with control unit 5, be will test signal and is sent to control unit 5.
Optionally, ozone generator 1 further includes heater 17, and heater 17 is fixedly connected with ontology 11.When preset temperature height
When environment temperature, heater 17 can heat ontology 11, guarantee that the temperature in 11 cavity of ontology is preset temperature.Control unit
5 connection heaters 17, control the work of heater 17.
Above-mentioned low concentration ozone generating device further includes the first three-way connection 71, and the material of the first three-way connection 71 can be
Polytetrafluoroethylene (PTFE).The gas access 21 of the first end connection pressure controller of first three-way connection 71, second end connection second are empty
Gas entrance 41, air inlet of the third end as zero air.The third end of first three-way connection 71 can connect gas source, gas source input
Zero air part of drying enter force pressure controller 2, be used to prepare high ozone gas, zero air of another part passes through second
Flow controller 4 enters mixer 3 with constant flow rate.
The low concentration ozone generating device of the present embodiment further includes shut-off valve 8, and one end of shut-off valve 8 connects first flow control
Device 16 processed, the other end connect mixer 3.Shut-off valve 8 can enter mixer 3 as switch to high ozone gas and control.This
Shut-off valve 8 connects control unit 5 in embodiment, can realize the automatic control being opened and closed to shut-off valve 8 by control unit 5.
Optionally, low concentration ozone generating device further includes the second three-way connection 72, and material can be polytetrafluoroethylene (PTFE).
The first end of second three-way connection 72 connects shut-off valve 8, and second end connects the air outlet slit 42 of second flow controller, third end
Connect mixer 3.By the second three-way connection 72, high ozone gas and diluent gas enter mixer 3 simultaneously.
Low concentration ozone generating device further includes third three-way connection 73, and material can be polytetrafluoroethylene (PTFE).Three or three
The first end of pass joint 73 connects the first three-way connection 71, and second end connects the second air intake 41 of second flow controller,
Third end connects second sensor 62.
The embodiment of the present invention, which also provides a kind of utilization, should state the side that low concentration ozone generating device prepares low concentration ozone
Method, which is characterized in that comprising steps of
1, zero air of part enters ozone generator with constant pressure, is formed and is contained under the ultraviolet light of low pressure mercury lamp
The high ozone gas of high-concentrated ozone, high ozone gas enter mixer with constant flow, keep default in ozone generator
Temperature.Wherein, the ultraviolet ray intensity of ultraviolet light intensity detector detection low pressure mercury lamp, will test signal and is sent to control unit, control
Unit processed calculates the concentration of ozone in high ozone gas according to the ultraviolet ray intensity of detection, compares with setting value, if high smelly
The concentration with setting value of ozone are not inconsistent in carrier of oxygen, then adjust the voltage of low pressure mercury lamp, to adjust the purple of low pressure mercury lamp sending
Outer luminous intensity.Optionally, preset temperature is 50 ± 0.2 DEG C, is conducive to the generation of ozone.
2, zero air of part enters mixer as diluent gas with constant flow；
3, high ozone gas is mixed with diluent gas in mixer, forms low concentration ozone, is exported and is arranged by low concentration ozone
Out.
In the above-mentioned method for preparing low concentration ozone, first pressure sensor detects the first air intake of ozone generator
Gas pressure, second pressure sensor detect second flow controller second air intake gas pressure, and respectively will
Detection signal is sent to control unit.
The low concentration ozone generating device of the present embodiment and the method for preparing low concentration ozone, it is online to can be used for surrounding air
The calibration etc. of low concentration ozone analytical equipment in monitoring system, can trace to the source to environment measuring analytical equipment, transmission of quantity value.
It should be noted that each embodiment above by reference to described in attached drawing is only to illustrate the present invention rather than limits this
The range of invention, those skilled in the art should understand that, it is right under the premise without departing from the spirit and scope of the present invention
The modification or equivalent replacement that the present invention carries out, should all cover within the scope of the present invention.In addition, signified unless the context
Outside, the word occurred in the singular includes plural form, and vice versa.In addition, unless stated otherwise, then any embodiment
All or part of in combination with any other embodiment all or part of come using.
Claims (10)
1. a kind of low concentration ozone generating device characterized by comprising
Ozone generator, including the internal ontology for closed cavity, the ontology includes the first air being connected to the cavity
Entrance and ozone outlet, the cavity is interior to be equipped with low pressure mercury lamp and ultraviolet light intensity detector, and the ozone outlet connection is first-class
Amount controller；
Pressure controller connects first air intake；
Mixer, including low concentration ozone outlet, the first flow controller connect the mixer；
Second flow controller, including second air intake and air outlet slit, the air outlet slit connect the mixer；
Control unit is separately connected the low pressure mercury lamp, ultraviolet light intensity detector, pressure controller and second flow controller.
2. low concentration ozone generating device according to claim 1, which is characterized in that further include first pressure sensor and
Two pressure sensors, the first pressure sensor are arranged between the pressure controller and the first air intake, and described the
Two pressure sensors connect the second air intake, the first pressure sensor and second pressure sensor respectively with control
Unit connection.
3. low concentration ozone generating device according to claim 1, which is characterized in that the ozone generator further includes heating
Device, the heater connect the ontology, and described control unit connects the heater.
4. low concentration ozone generating device according to claim 1, which is characterized in that it further include the first three-way connection, it is described
The first end of first three-way connection connects the gas access of the pressure controller, and second end connects the second air intake,
Third end is as air inlet.
5. low concentration ozone generating device according to claim 1, which is characterized in that it further include shut-off valve, the shut-off valve
One end connect the first flow controller, the other end connects the mixer.
6. low concentration ozone generating device according to claim 5, which is characterized in that it further include the second three-way connection, it is described
The first end of second three-way connection connects the shut-off valve, and second end connects the second flow controller, and third end connects institute
State mixer.
7. low concentration ozone generating device according to claim 1, which is characterized in that the first flow controller setting exists
At the ozone outlet.
8. a kind of method for preparing low concentration ozone using any low concentration ozone generating device of claim 1~7, special
Sign is, comprising steps of
A, zero air enters ozone generator with constant pressure, and high ozone gas is formed under the ultraviolet light of low pressure mercury lamp
Body, the high ozone gas enter mixer with constant flow, keep preset temperature in the ozone generator；Wherein, purple
Outer light intensity detector detects the ultraviolet ray intensity of the low pressure mercury lamp, will test signal and is sent to control unit, control unit root
According to the voltage of detection Signal Regulation low pressure mercury lamp.
B, zero air enters the mixer as diluent gas with constant flow；
C, high ozone gas described in the mixer is mixed with diluent gas, forms low concentration ozone.
9. preparing the method for low concentration ozone according to claim 8, which is characterized in that in the step A, the default temperature
Degree is 50 ± 0.2 DEG C.
10. preparing the method for low concentration ozone according to claim 8, which is characterized in that first pressure sensor detects institute
State the gas pressure of the first air intake of ozone generator, the of the second pressure sensor detection second flow controller
The gas pressure of two air intakes, and will test signal respectively and be sent to described control unit.
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| CN201910105681.0A CN109748244A (en) | 2019-02-01 | 2019-02-01 | A kind of low concentration ozone generating device and the method for preparing low concentration ozone |
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| CN201910105681.0A CN109748244A (en) | 2019-02-01 | 2019-02-01 | A kind of low concentration ozone generating device and the method for preparing low concentration ozone |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20010102600A (en) * | 2000-05-01 | 2001-11-16 | 박보현 | Development og UV-Absosrption Type In-Line Ozone Concentration Measuring Eguiment |
| CN101181977A (en) * | 2007-11-23 | 2008-05-21 | 中国计量科学研究院 | Ozone standard gas generating apparatus |
| CN104360692A (en) * | 2014-11-19 | 2015-02-18 | 武汉怡特环保科技有限公司 | Feedback control device of low-concentration standard ozonator |
| WO2016112943A1 (en) * | 2015-01-14 | 2016-07-21 | Universität Heidelberg | Ozone generator, no-to-no2 converter, process for converting no to no2 and use |
| CN107265407A (en) * | 2017-07-25 | 2017-10-20 | 苏州宏瑞净化科技有限公司 | Ozone generating-device |
-
2019
- 2019-02-01 CN CN201910105681.0A patent/CN109748244A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010102600A (en) * | 2000-05-01 | 2001-11-16 | 박보현 | Development og UV-Absosrption Type In-Line Ozone Concentration Measuring Eguiment |
| CN101181977A (en) * | 2007-11-23 | 2008-05-21 | 中国计量科学研究院 | Ozone standard gas generating apparatus |
| CN104360692A (en) * | 2014-11-19 | 2015-02-18 | 武汉怡特环保科技有限公司 | Feedback control device of low-concentration standard ozonator |
| WO2016112943A1 (en) * | 2015-01-14 | 2016-07-21 | Universität Heidelberg | Ozone generator, no-to-no2 converter, process for converting no to no2 and use |
| CN107265407A (en) * | 2017-07-25 | 2017-10-20 | 苏州宏瑞净化科技有限公司 | Ozone generating-device |
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