CN107051242B - A kind of dynamic gas distribution instrument and its air distributing method - Google Patents
A kind of dynamic gas distribution instrument and its air distributing method Download PDFInfo
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- CN107051242B CN107051242B CN201710398920.7A CN201710398920A CN107051242B CN 107051242 B CN107051242 B CN 107051242B CN 201710398920 A CN201710398920 A CN 201710398920A CN 107051242 B CN107051242 B CN 107051242B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/10—Mixing gases with gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
- B01F35/1452—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
- B01F35/833—Flow control by valves, e.g. opening intermittently
Abstract
The present invention relates to gas detecting instrument technical field more particularly to a kind of dynamic gas distribution instruments and its air distributing method.Dynamic gas distribution instrument provided by the invention includes calibrating gas access, diluent gas access and mixed gas access, calibrating gas access is equipped with the first valve group and calibrating gas flow controller, diluent gas access is equipped with the second valve group and diluent gas flow amount controller, communicating valve is equipped between first valve group and the second valve group, when only accessing diluent gas, a part of diluent gas enters mixed gas access by diluent gas flow amount controller, remainder diluent gas enters mixed gas access by calibrating gas flow controller, periodically gas piping is cleaned；Calibrating gas access and diluent gas access pass through calibrating gas flow controller respectively and diluent gas flow amount controller is connect with mixed gas access, the flow of control on demand calibrating gas and diluent gas, and be passed into mixed pipe line and configure object gas, easy to operate, controlling is high.
Description
Technical field
The present invention relates to gas detecting instrument technical field more particularly to a kind of dynamic gas distribution instrument and its air distributing method, tools
Body is related to a kind of simple structure, raising distribution precision and the dynamic gas distribution instrument and its air distributing method that are able to achieve self-cleaning function.
Background technique
Currently, gas detection analysis field, the requirement with field of industry detection to gas concentration accuracy in detection is more next
It is tighter, the concentration of calibrating gas is required also to increase accordingly.Presently most common mode is to diluent gas access and raw material
Gas passage is utilized respectively a dilution air flow amount controller and a flow of feed gas amount controller to compare unstrpped gas
Example dilution, to obtain object gas, using above-mentioned this mode, has some disadvantages: as unstrpped gas has residual, a side
Face increases controller and reaches the time steadily measured, and another aspect controller is in the sour gas of Long Term Contact higher concentration
It will appear corrosion to a certain extent, influence it and use accuracy and service life.
Apart from the above, in gas detection analyzer device, need to use distributing instrument by dilution standard gas to obtain
The gas of various concentration, and ozone standard gas need to be generated by ozone generating-device.From the point of view of existing instrument, such as Fig. 1 institute
Show, including calibrating gas flow controller 1, diluent gas flow amount controller 2, vapour lock 3, ozone generator 4 and gas-phase titration room
5, the flow control of ozone generator 4 is all by a certain air outlet passage in dilution tunnel three-way connection in the distributing instrument of mainstream
It is upper to add vapour lock 3 to realize shunting.It is insufficient that the design has following several points: 1, the requirement on machining accuracy of vapour lock 3 is high, consistency
It is difficult to ensure that；2, the shunting size of vapour lock 3 is influenced by partial pressure size, and stability and repeatability are not good enough, if addition partial pressure is adjusted
Regulating device, and increased costs can be made, structure becomes complicated；3, the matched flow sensor of ozone generator is in long-time service
In the process, precision etc. will appear deviation.
Summary of the invention
(1) technical problems to be solved
The first object of the present invention is: providing a kind of simple structure, raising distribution precision and is able to achieve self-cleaning function
Dynamic gas distribution instrument influences subsequent distribution precision, controlling and use to solve existing distributing instrument there are unstrpped gas residual
The problem of service life.
The second object of the present invention is: providing a kind of simple structure, raising distribution precision and is able to achieve self-cleaning function
Air distributing method remains unstrpped gas easily in a manner of existing distribution to solve, so influence subsequent distribution precision, controlling and
The problem of service life.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides a kind of dynamic gas distribution instruments, including calibrating gas access, dilution
Gas passage and mixed gas access, the calibrating gas access are equipped with the first valve group and calibrating gas flow controller, institute
Diluent gas access is stated equipped with the second valve group and diluent gas flow amount controller, first valve group and second valve group it
Between be equipped with communicating valve；The calibrating gas access and diluent gas access pass through the calibrating gas flow controller and dilute respectively
Gas flow controller is released to connect with the mixed gas access.
Wherein, dynamic gas distribution instrument provided by the present application further includes ozone generator, and the air inlet of the ozone generator is logical
It crosses third valve group to connect with the calibrating gas flow controller, the gas outlet of the ozone generator and the mixed gas are logical
Road connection.
Wherein, the 4th valve group is connected between the ozone generator and the diluent gas flow amount controller.
Wherein, the gas outlet of the calibrating gas flow controller is also connected with the 5th valve group, the 5th valve group it is another
One end is connect with the mixed gas access.
Wherein, first valve group includes at least one single valve group, and each single valve group has been correspondingly connected with a Standard Gases
Body access leg is passed through the calibrating gas flow controller for controlling corresponding Standard Gases.
The present invention also provides a kind of air distributing methods carried out using above-mentioned dynamic gas distribution instrument, comprising the following steps:
The access of the calibrating gas is opened, first valve group is connected, according to the flow value of preset standard gas, control
The control amount of the calibrating gas flow controller, calibrating gas enter the mixing by the calibrating gas flow controller
In gas passage；
The access of the diluent gas is opened, second valve group is connected, according to the flow value of default diluent gas, control
The control amount of the diluent gas flow amount controller, diluent gas enter the mixing by the diluent gas flow amount controller
In gas passage；
The calibrating gas is mixed with the diluent gas, obtains object gas.
The present invention also provides a kind of air distributing methods carried out using above-mentioned dynamic gas distribution instrument, comprising the following steps:
Open the access of the diluent gas；
Second valve group, the communicating valve and the third valve group are connected, according to the default flow value for preparing ozone, control
The control amount of the calibrating gas flow controller is made, a part of diluent gas passes sequentially through the calibrating gas flow control
Enter the ozone generator after device processed and third valve group, prepares ozone, and the ozone being prepared is sent into the gaseous mixture
In body access；
According to the flow value of default diluent gas, the control amount of the diluent gas flow amount controller, remainder are controlled
The diluent gas is entered in the mixed gas access by the diluent gas flow amount controller；
The ozone is mixed with the diluent gas, obtains object gas.
The present invention also provides a kind of air distributing methods carried out using above-mentioned dynamic gas distribution instrument, comprising the following steps:
The access of the diluent gas is opened, second valve group and the 4th valve group are connected, according to default carrier gas
The flow value of body, controls the control amount of the diluent gas flow amount controller, and diluent gas passes through the diluting gas flow control
After device processed, a part of diluent gas enters the ozone generator by the 4th valve group, prepares ozone；Remainder
The diluent gas enters in the mixed gas access；
The access of the calibrating gas is opened, first valve group and the third valve group are connected, according to preset standard gas
The flow value of body, controls the control amount of the calibrating gas flow controller, and calibrating gas passes through the calibrating gas flow control
Enter the ozone generator after device processed and third valve group, with the ozone reaction being prepared, obtains first gas, and will
The first gas being prepared is sent into the mixed gas access；
The first gas is mixed with the diluent gas, obtains object gas.
(3) beneficial effect
Above-mentioned technical proposal of the invention has the advantages that the present invention provides a kind of dynamic gas distribution instruments, including standard
Gas passage, diluent gas access and mixed gas access, calibrating gas access are equipped with the first valve group and calibrating gas flow
Controller, the first valve group are passed through calibrating gas flow controller for controlling calibrating gas；Diluent gas access is equipped with second
Valve group and diluent gas flow amount controller, the second valve group are passed through diluent gas flow amount controller for controlling diluent gas；First
Communicating valve is equipped between valve group and the second valve group, design is simple, and it is structurally reasonable, when not accessing calibrating gas, only access dilution
Gas, a part of diluent gas enter mixed gas access by diluent gas flow amount controller, and remainder diluent gas is logical
It crosses calibrating gas flow controller and enters mixed gas access, periodically gas piping can be cleaned with realizing, so that
Distributing instrument obtains effective cleaning maintenance, apart from the above, by being equipped with communicating valve, can pass through calibrating gas flow control simultaneously
Device and diluent gas flow amount controller control gas flow, have effectively expanded gas flow range；Calibrating gas access and dilution
Gas passage passes through calibrating gas flow controller respectively and diluent gas flow amount controller is connect with mixed gas access, can be with
The mass flow of respective control on demand calibrating gas and diluent gas, configures object gas to be passed into mixed pipe line, ties
Structure is simple, easy to operate, and controlling is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of distributing instrument in the prior art；
Fig. 2 is the structural schematic diagram of the dynamic gas distribution instrument of a kind of dynamic gas distribution instrument of the present invention and its air distributing method embodiment.
In figure: 1: calibrating gas flow controller；2: diluent gas flow amount controller；3: vapour lock；4: ozone generator；5:
Gas-phase titration room；6: the first valve groups；7: the second valve groups；8: third valve group；9: the four valve groups；10: the five valve groups；11: communicating valve.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
It should be noted that in the present embodiment, calibrating gas can be nitric oxide, carbon monoxide, carbon dioxide, first
One of alkane, propane are a variety of；Diluent gas is clean air.
On the one hand, as shown in Fig. 2, the embodiment of the invention provides a kind of dynamic gas distribution instrument, including it is calibrating gas access, dilute
Gas passage and mixed gas access are released, calibrating gas access is equipped with the first valve group 6 and calibrating gas flow controller 1, the
One valve group 6 is passed through calibrating gas flow controller 1 for controlling calibrating gas；Diluent gas access be equipped with the second valve group 7 and
Diluent gas flow amount controller 2, the second valve group 7 are passed through diluent gas flow amount controller 2 for controlling diluent gas；First valve group
6 and second are equipped with communicating valve 11 between valve group 7, when not accessing calibrating gas, i.e., when only accessing diluent gas, and a part dilution
Gas enters mixed gas access by diluent gas flow amount controller 2, and remainder diluent gas passes through calibrating gas flow
Controller 1 enters mixed gas access, can periodically be cleaned to gas piping with realizing, so that distributing instrument obtains effectively
Cleaning；Calibrating gas access and diluent gas access pass through calibrating gas flow controller 1 and diluent gas flow respectively
Amount controller 2 is connect with mixed gas access, can respectively control on demand calibrating gas and diluent gas mass flow, thus
It is passed into mixed pipe line and configures object gas, structure is simple, and easy to operate, controlling is high.
Apart from the above, by being equipped with the communicating valve 11 of connection the first valve group 6 and the second valve group 7, Standard Gases are only being accessed
When body or diluent gas, can simultaneously by calibrating gas flow controller 1 and diluent gas flow amount controller 2 to calibrating gas or
Diluent gas carries out flow conveying, breaches only by the range limitation of a controller conveying gas flow, and then effectively open up
Gas flow range is opened up.
Dynamic gas distribution instrument provided by the present application, design is simple, structurally reasonable and easy to use, is carrying out conventional distribution
Before, automatically cleaning operation can be carried out to dynamic gas distribution instrument by the communicating valve 11 being set between the first valve group 6 and the second valve group 7,
Reach the time steadily measured to save controller, controller is avoided to will appear in the sour gas of Long Term Contact higher concentration
Corrosion to a certain extent, and then accuracy and service life are used to improve it.
Further, dynamic gas distribution instrument provided by the present application further includes ozone generator 4, the air inlet of ozone generator 4
It being connect by third valve group 8 with calibrating gas flow controller 1, the gas outlet of ozone generator 4 is connect with mixed gas access,
Third valve group 8 is passed through ozone generator 4 for controlling diluent gas, to prepare ozone.Particularly, under ozone distribution mode,
When accessing diluent gas, connect the second valve group 7, communicating valve 11 and third valve group 8 so that a part of diluent gas successively via
Calibrating gas flow controller 1 and third valve group 8 enter ozone generator 4, prepare ozone；Remainder diluent gas is via dilute
Release gas flow controller 2 and enter mixed gas pipeline, the ozone after preparation is also passed into mixed gas pipeline, diluent gas with it is smelly
Oxygen mixing, obtains the gas of aimed concn.By being equipped with communicating valve 11, calibrating gas flow controller 1 is flowed through by control
The flow of diluent gas, and then accurately control can prepare the mass flow of ozone ensure that the stability of ozone flow and accurate
Property.
Further, in the present embodiment, the 4th is connected between ozone generator 4 and diluent gas flow amount controller 2
Valve group 9, the 4th valve group 9 is passed through ozone generator 4 for controlling diluent gas, to prepare ozone.Particularly, in gas-phase titration mould
Under formula, accesses diluent gas and connect the second valve group 7 and the 4th valve group 9, a part of diluent gas is entered smelly by the 4th valve group 9
Oxygen Generator 4, prepares ozone, and remainder diluent gas enters in mixed gas access；It accesses calibrating gas and connects first
Valve group 6 and third valve group 8, calibrating gas enter ozone generator 4 after passing through calibrating gas flow controller 1 and third valve group 8,
With the ozone reaction being prepared, first gas is obtained, and the first gas being prepared is sent into mixed gas access；The
One gas is mixed with diluent gas, obtains object gas.By using being used cooperatively for third valve group 8 and the 4th valve group 9, it is not necessarily to
Additional setting gas-phase titration room, so that the occupied space of dynamic gas distribution instrument reduces, flow path shortens, and the output for improving distribution is stablized
Time.
It should be noted that under gas-phase titration mode, it can first start the second valve group 7 under ozone distribution mode, communicating valve
11 and third valve group 8, by controlling the diluting gas flow by calibrating gas flow controller 1 to 4 the inside of ozone generator
Flow sensor carry out dynamic calibration, the measurement accuracy of flow sensor can be improved, and then to improve distribution precision.
Further, in the present embodiment, the gas outlet of calibrating gas flow controller 1 is also connected with the 5th valve group 10,
The other end of 5th valve group 10 is connect with mixed gas access, and to be passed through mixed gas logical for controlling calibrating gas for the 5th valve group 10
Road.Particularly, in the present embodiment, the first valve group 6, the second valve group 7, third valve group 8, the 4th valve group 9, the 5th valve group 10 and company
Port valve 11 can be the one or more of solenoid valve, control valve or manual operating valve, carry out phase with specific reference to actual implementation condition
The selection answered.
Specifically, the first valve group 6 includes at least one single valve group, and each single valve group has been correspondingly connected with a calibrating gas
Access leg is passed through calibrating gas flow controller 1 for controlling corresponding Standard Gases.In the present embodiment, the first valve group 6 by
Four single valve groups are composed, wherein four single valve groups are equipped with an air inlet, can be connected respectively a Standard Gases
Body access leg, four single valve groups limit a gas outlet jointly, for connecting with calibrating gas flow controller 1.Especially
, the quantity of the first valve group 6 can reasonably be selected according to actual implementation condition.
In the present embodiment, the second valve group 7, third valve group 8, the 4th valve group 9, the 5th valve group 10 and communicating valve 11 are single valve
Group.
On the other hand, the present invention also provides a kind of air distributing methods carried out using above-mentioned dynamic gas distribution instrument, i.e., conventional to match
Gas mode, specifically includes the following steps:
The access of calibrating gas is opened, the first valve group 6 is connected, according to the flow value of preset standard gas, controls Standard Gases
The control amount of body flow controller 1, calibrating gas are entered in mixed gas access by calibrating gas flow controller 1；Wherein,
The flow value of preset standard gas can reasonably be set according to actual implementation condition.
The access of diluent gas is opened, the second valve group 7 is connected, according to the flow value of default diluent gas, controls carrier gas
The control amount of body flow controller 2, diluent gas are entered in mixed gas access by diluent gas flow amount controller 2；Wherein,
The flow value of default diluent gas can reasonably be set according to actual implementation condition.
It is mixed into the calibrating gas in mixed gas access with the diluent gas entered in mixed gas access, final
To object gas.
On the other hand, the present invention also provides a kind of air distributing method carried out using above-mentioned dynamic gas distribution instrument, i.e. ozone is matched
Gas mode, specifically includes the following steps:
Open the access of diluent gas；
The second valve group 7, communicating valve 11 and third valve group 8 are connected, according to the default flow value for preparing ozone, controls Standard Gases
The control amount of body flow controller 1, after a part of diluent gas passes sequentially through calibrating gas flow controller 1 and third valve group 8
Into ozone generator 4, ozone is prepared, and the ozone being prepared is sent into mixed gas access；Wherein, preset prepare it is smelly
The flow value of oxygen can reasonably be set according to actual implementation condition.
According to the flow value of default diluent gas, the control amount of diluent gas flow amount controller 2, remainder dilution are controlled
Gas is entered in mixed gas access by diluent gas flow amount controller 2；Wherein, the flow value for presetting diluent gas can basis
Actual implementation condition is reasonably set.
It is mixed into the ozone in mixed gas access with the diluent gas entered in mixed gas access, finally obtains mesh
Standard gas body.
On the other hand, the present invention also provides a kind of air distributing method carried out using above-mentioned dynamic gas distribution instrument, i.e. gas phase is dripped
Mould-fixed, specifically includes the following steps:
The access of diluent gas is opened, the second valve group 7 and the 4th valve group 9 are connected, according to the flow value of default diluent gas,
The control amount of diluent gas flow amount controller 2 is controlled, after diluent gas passes through diluent gas flow amount controller 2, a part dilution
Gas enters ozone generator 4 by the 4th valve group 9, prepares ozone；Remainder diluent gas enters in mixed gas access；
Wherein, the flow value for presetting diluent gas can reasonably be set according to actual implementation condition.
The access of calibrating gas is opened, the first valve group 6 and third valve group 8 are connected, according to the flow value of preset standard gas,
The control amount of calibrating gas flow controller 1 is controlled, after calibrating gas is by calibrating gas flow controller 1 and third valve group 8
First gas is obtained with the ozone reaction being prepared into ozone generator 4, and the first gas being prepared is sent into
In mixed gas access；Wherein, the flow value of preset standard gas can reasonably be set according to actual implementation condition.
It is mixed into the first gas in mixed gas access with the diluent gas entered in mixed gas access, final
To object gas.
In conclusion the present invention provides a kind of dynamic gas distribution instrument, including calibrating gas access, diluent gas access and mixed
Gas passage is closed, calibrating gas access is equipped with the first valve group and calibrating gas flow controller, and the first valve group is for controlling mark
Quasi- gas is passed through calibrating gas flow controller；Diluent gas access is equipped with the second valve group and diluent gas flow amount controller,
Second valve group is passed through diluent gas flow amount controller for controlling diluent gas；It is equipped with and is connected between first valve group and the second valve group
Valve, design is simple, structurally reasonable, when not accessing calibrating gas, only accesses diluent gas, a part of diluent gas passes through dilution
Gas flow controller enters mixed gas access, and remainder diluent gas enters mixing by calibrating gas flow controller
Gas passage can periodically clean gas piping with realizing, so that distributing instrument obtains effective cleaning maintenance；Except upper
Except stating, by being equipped with communicating valve, gas can be controlled by calibrating gas flow controller and diluent gas flow amount controller simultaneously
Body flow has effectively expanded gas flow range；Calibrating gas access and diluent gas access pass through calibrating gas flow respectively
Controller and diluent gas flow amount controller are connect with mixed gas access, can respective control on demand calibrating gas and carrier gas
The mass flow of body configures object gas to be passed into mixed pipe line, and structure is simple, easy to operate, and controlling is high.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (7)
1. a kind of dynamic gas distribution instrument, including calibrating gas access, diluent gas access and mixed gas access, it is characterised in that:
The calibrating gas access is equipped with the first valve group and calibrating gas flow controller, and the diluent gas access is equipped with second
Valve group and diluent gas flow amount controller are equipped with communicating valve between first valve group and second valve group；The Standard Gases
Body access and diluent gas access respectively by the calibrating gas flow controller and diluent gas flow amount controller with it is described
The connection of mixed gas access；It further include ozone generator, the air inlet of the ozone generator passes through third valve group and the mark
Quasi- gas flow controller connection, the gas outlet of the ozone generator is connect with the mixed gas access.
2. dynamic gas distribution instrument according to claim 1, it is characterised in that: the ozone generator and the diluent gas flow
The 4th valve group is connected between amount controller.
3. dynamic gas distribution instrument according to claim 1, it is characterised in that: the gas outlet of the calibrating gas flow controller
It is also connected with the 5th valve group, the other end of the 5th valve group is connect with the mixed gas access.
4. dynamic gas distribution instrument according to claim 1-3, it is characterised in that: first valve group includes at least one
A single valve group, each single valve group have been correspondingly connected with a calibrating gas access leg, are passed through for controlling corresponding Standard Gases
The calibrating gas flow controller.
5. a kind of air distributing method carried out using dynamic gas distribution instrument as described in claim 1, which is characterized in that including following step
It is rapid:
It opens the access of the calibrating gas, connects first valve group, according to the flow value of preset standard gas, described in control
The control amount of calibrating gas flow controller, calibrating gas enter the mixed gas by the calibrating gas flow controller
In access；
It opens the access of the diluent gas, connects second valve group, according to the flow value of default diluent gas, described in control
The control amount of diluent gas flow amount controller, diluent gas enter the mixed gas by the diluent gas flow amount controller
In access；
The calibrating gas is mixed with the diluent gas, obtains object gas.
6. a kind of air distributing method carried out using dynamic gas distribution instrument as described in claim 1, which is characterized in that including following step
It is rapid:
Open the access of the diluent gas；
Second valve group, the communicating valve and the third valve group are connected, according to the default flow value for preparing ozone, controls institute
The control amount of calibrating gas flow controller is stated, a part of diluent gas passes sequentially through the calibrating gas flow controller
And enter the ozone generator after third valve group, ozone is prepared, and the ozone being prepared is sent into the mixed gas and is led to
Lu Zhong；
According to the flow value of default diluent gas, the control amount of the diluent gas flow amount controller is controlled, described in remainder
Diluent gas is entered in the mixed gas access by the diluent gas flow amount controller；
The ozone is mixed with the diluent gas, obtains object gas.
7. a kind of air distributing method carried out using dynamic gas distribution instrument as claimed in claim 2, which is characterized in that including following step
It is rapid:
The access of the diluent gas is opened, second valve group and the 4th valve group are connected, according to default diluent gas
Flow value, controls the control amount of the diluent gas flow amount controller, and diluent gas passes through the diluent gas flow amount controller
Afterwards, a part of diluent gas enters the ozone generator by the 4th valve group, prepares ozone；Described in remainder
Diluent gas enters in the mixed gas access；
The access of the calibrating gas is opened, first valve group and the third valve group are connected, according to preset standard gas
Flow value, controls the control amount of the calibrating gas flow controller, and calibrating gas passes through the calibrating gas flow controller
And enter the ozone generator after third valve group, with the ozone reaction being prepared, first gas is obtained, and will preparation
Obtained first gas is sent into the mixed gas access；
The first gas is mixed with the diluent gas, obtains object gas.
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| CN201710398920.7A CN107051242B (en) | 2017-05-31 | 2017-05-31 | A kind of dynamic gas distribution instrument and its air distributing method |
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| CN201710398920.7A CN107051242B (en) | 2017-05-31 | 2017-05-31 | A kind of dynamic gas distribution instrument and its air distributing method |
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| FR3093444B1 (en) * | 2019-03-06 | 2021-03-05 | Centre Nat Rech Scient | Microfluidic gas mixture generator |
| CN114184741A (en) * | 2020-09-15 | 2022-03-15 | 中国计量科学研究院 | Controllable release device for monitoring and metering inorganization emission |
| CN112540154B (en) * | 2020-10-26 | 2021-08-17 | 三河市清源绿创环境技术股份有限公司 | Intelligent gas distribution method and system |
| WO2022141478A1 (en) * | 2020-12-31 | 2022-07-07 | 广州禾信仪器股份有限公司 | Gas dilution apparatus and method |
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| CN102580606B (en) * | 2012-02-29 | 2014-07-09 | 广东省职业病防治院 | Dynamic gas distribution instrument |
| CN103331125B (en) * | 2013-07-23 | 2015-07-15 | 重庆大学 | High-precision gas distribution instrument |
| CN105314601A (en) * | 2014-07-29 | 2016-02-10 | 潘本锋 | Novel standard ozone generator |
| CN104525011B (en) * | 2014-12-30 | 2016-11-23 | 力合科技（湖南）股份有限公司 | A kind of dynamic gas distribution instrument and air distributing method |
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