CN107051242A - 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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- CN107051242A CN107051242A CN201710398920.7A CN201710398920A CN107051242A CN 107051242 A CN107051242 A CN 107051242A CN 201710398920 A CN201710398920 A CN 201710398920A CN 107051242 A CN107051242 A CN 107051242A
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- gas
- valve group
- diluent
- calibrating
- path
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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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Accessories For Mixers (AREA)
- Sampling And Sample Adjustment (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
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.The dynamic gas distribution instrument that the present invention is provided includes calibrating gas path, diluent gas path and mixed gas path, calibrating gas path is provided with the first valve group and calibrating gas flow controller, diluent gas path is provided with the second valve group and diluent gas flow amount controller, valve is communicated between first valve group and the second valve group, when only accessing diluent gas, a part of diluent gas enters mixed gas path by diluent gas flow amount controller, remainder diluent gas enters mixed gas path by calibrating gas flow controller, periodically gas piping is cleaned；Calibrating gas path and diluent gas path are connected by calibrating gas flow controller and diluent gas flow amount controller with mixed gas path respectively, 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, tool
Body is related to a kind of simple in construction, raising distribution precision and can realize the dynamic gas distribution instrument and its air distributing method of self-cleaning function.
Background technology
At present, gas detection and analysis field, the requirement with field of industry detection to gas concentration accuracy in detection is more next
Tighter, the concentration requirement to calibrating gas is also improved therewith.Presently most conventional mode is to diluent gas path 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
, to obtain object gas, using above-mentioned this mode, there are some shortcomings in example dilution：Such as, unstrpped gas has residual, a side
Face adds controller and reaches the time steadily measured, and another aspect controller is in the sour gas of Long Term Contact higher concentration
Corrosion to a certain extent occurs, influences it to use accuracy and service life.
Apart from the above, it is necessary to use distributing instrument by dilution standard gas to obtain in gas detection analyzer device
The gas of various concentrations, and ozone standard gas need to be produced by ozone generating-device.From the point of view of existing instrument, such as Fig. 1 institutes
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 main flow
It is upper to add vapour lock 3 to realize shunting.There is some following deficiency in the design：1st, the requirement on machining accuracy of vapour lock 3 is high, uniformity
It is difficult to ensure that；2nd, the shunting size of vapour lock 3 is influenceed by partial pressure size, and stability and repeatability are not good enough, if addition partial pressure is adjusted
Regulating device, can cause cost to increase again, and structure becomes complicated；3rd, the supporting flow sensor of ozone generator is in long-term use
During, deviation occurs in precision etc..
The content of the invention
(1) technical problem to be solved
The first object of the present invention is：A kind of simple in construction, raising distribution precision is provided and self-cleaning function can be realized
, there is unstrpped gas residual and influence follow-up distribution precision, controlling and use in dynamic gas distribution instrument to solve existing distributing instrument
The problem of life-span.
The second object of the present invention is：A kind of simple in construction, raising distribution precision is provided and self-cleaning function can be realized
Air distributing method, to solve existing distribution mode so that unstrpped gas is easily remained, and then influence follow-up distribution precision, controlling and
The problem of service life.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides a kind of dynamic gas distribution instrument, including calibrating gas path, dilution
Gas passage and mixed gas path, the calibrating gas path are provided with the first valve group and calibrating gas flow controller, institute
Diluent gas path is stated provided with the second valve group and diluent gas flow amount controller, first valve group and second valve group it
Between be communicated with valve；The calibrating gas path and diluent gas path are respectively by the calibrating gas flow controller and dilute
Gas flow controller is released to be connected with the mixed gas path.
Wherein, the dynamic gas distribution instrument that the application is provided also includes ozone generator, and the air inlet of the ozone generator leads to
Cross the 3rd valve group to be connected with the calibrating gas flow controller, the gas outlet of the ozone generator leads to the mixed gas
Road is connected.
Wherein, it is connected with the 4th valve group between the ozone generator and the diluent gas flow amount controller.
Wherein, the gas outlet of the calibrating gas flow controller is also associated with the 5th valve group, the 5th valve group it is another
One end is connected with the mixed gas path.
Wherein, first valve group includes at least one single valve group, and each single valve group corresponds to and is connected with a Standard Gases
Body access leg, for controlling corresponding Standard Gases to be passed through the calibrating gas flow controller.
Present invention also offers a kind of air distributing method carried out using above-mentioned dynamic gas distribution instrument, comprise 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 controlled quentity controlled variable of the calibrating gas flow controller, calibrating gas enters 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 controlled quentity controlled variable of the diluent gas flow amount controller, diluent gas enters the mixing by the diluent gas flow amount controller
In gas passage；
The calibrating gas is mixed with the diluent gas, obtains object gas.
Present invention also offers a kind of air distributing method carried out using above-mentioned dynamic gas distribution instrument, comprise the following steps：
Open the access of the diluent gas；
Second valve group, the communicating valve and the 3rd valve group are connected, according to the default flow value for preparing ozone, control
The controlled quentity controlled variable 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 the 3rd valve group, prepare ozone, and the ozone prepared is sent into the gaseous mixture
In body path；
According to the flow value of default diluent gas, the controlled quentity controlled variable of the diluent gas flow amount controller, remainder are controlled
The diluent gas is entered in the mixed gas path by the diluent gas flow amount controller；
The ozone is mixed with the diluent gas, obtains object gas.
Present invention also offers a kind of air distributing method carried out using above-mentioned dynamic gas distribution instrument, comprise 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 controlled quentity controlled variable 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 path；
The access of the calibrating gas is opened, first valve group and the 3rd valve group are connected, according to preset standard gas
The flow value of body, controls the controlled quentity controlled variable of the calibrating gas flow controller, and calibrating gas passes through the calibrating gas flow control
Enter the ozone generator after device processed and the 3rd valve group, with the ozone reaction prepared, obtain first gas, and will
The first gas prepared is sent into the mixed gas path；
The first gas is mixed with the diluent gas, obtains object gas.
(3) beneficial effect
The above-mentioned technical proposal of the present invention has the following advantages that：The invention provides a kind of dynamic gas distribution instrument, including standard
Gas passage, diluent gas path and mixed gas path, calibrating gas path are provided with the first valve group and calibrating gas flow
Controller, the first valve group is used to control calibrating gas to be passed through calibrating gas flow controller；Diluent gas path is provided with second
Valve group and diluent gas flow amount controller, the second valve group are used to control diluent gas to be passed through diluent gas flow amount controller；First
Valve is communicated between valve group and the second valve group, design is simple, rational in infrastructure, when not accessing calibrating gas, only access dilution
Gas, a part of diluent gas enters mixed gas path by diluent gas flow amount controller, and remainder diluent gas leads to
Calibrating gas flow controller is crossed into mixed gas path, periodically gas piping can be cleaned with realizing, to cause
Distributing instrument obtains effective cleaning maintenance, apart from the above, by being communicated with valve, can be controlled simultaneously by calibrating gas flow
Device and diluent gas flow amount controller control gas flow, have effectively expanded gas flow scope；Calibrating gas path and dilution
Gas passage is connected by calibrating gas flow controller and diluent gas flow amount controller with mixed gas path respectively, can be with
The mass flow of respective control on demand calibrating gas and diluent gas, configures object gas so as to be passed into mixed pipe line, ties
Structure is simple, easy to operate, and controlling is high.
Brief description of the drawings
Fig. 1 is the structural representation of distributing instrument in the prior art；
Fig. 2 is the structural representation of a kind of dynamic gas distribution instrument of the invention and its dynamic gas distribution instrument of 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：First valve group；7：Second valve group；8：3rd valve group；9：4th valve group；10：5th valve group；11：Communicating valve.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
It should be noted that, in the present embodiment, calibrating gas can be nitric oxide, carbon monoxide, carbon dioxide, first
One or more in alkane, propane；Diluent gas is clean air.
On the one hand, as shown in Fig. 2 the embodiments of the invention provide a kind of dynamic gas distribution instrument, including it is calibrating gas path, dilute
Gas passage and mixed gas path are released, calibrating gas path is provided with the first valve group 6 and calibrating gas flow controller 1, the
One valve group 6 is used to control calibrating gas to be passed through calibrating gas flow controller 1；Diluent gas path provided with the second valve group 7 and
Diluent gas flow amount controller 2, the second valve group 7 is used to control diluent gas to be passed through diluent gas flow amount controller 2；First valve group
6 and second are communicated with valve 11 between valve group 7, when not accessing calibrating gas, i.e., when only accessing diluent gas, part dilution
Gas enters mixed gas path by diluent gas flow amount controller 2, and remainder diluent gas passes through calibrating gas flow
Controller 1 enters mixed gas path, periodically gas piping can be cleaned with realizing, to cause distributing instrument to obtain effectively
Cleaning；Calibrating gas path and diluent gas path pass through calibrating gas flow controller 1 and diluent gas flow respectively
Amount controller 2 is connected with mixed gas path, can each control on demand calibrating gas and diluent gas mass flow so that
It is passed into mixed pipe line and configures object gas, simple in construction, easy to operate, controlling is high.
Apart from the above, by the communicating valve 11 provided with the first valve group 6 of connection 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 the range limitation that gas flow is only conveyed by a controller, and then effectively open up
Gas flow scope is opened up.
The dynamic gas distribution instrument that the application is provided, design is simple, rational in infrastructure 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 between the first valve group 6 and the second valve group 7,
The time steadily measured is reached to save controller, it is to avoid controller occurs in the sour gas of Long Term Contact higher concentration
Corrosion to a certain extent, and then use accuracy and service life to improve it.
Further, the dynamic gas distribution instrument that the application is provided also includes ozone generator 4, the air inlet of ozone generator 4
It is connected by the 3rd valve group 8 with calibrating gas flow controller 1, the gas outlet of ozone generator 4 is connected with mixed gas path,
3rd valve group 8 is used to control diluent gas to be passed through ozone generator 4, to prepare ozone.Particularly, under ozone distribution pattern,
Access diluent gas when, connect the second valve group 7, the valve group 8 of communicating valve 11 and the 3rd so that a part of diluent gas successively via
The valve group 8 of calibrating gas flow controller 1 and the 3rd enters ozone generator 4, prepares 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 is mixed, and obtains the gas of aimed concn.By being communicated with 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, it is ensured that the stability of ozone flow and accurate
Property.
Further, in the present embodiment, it is connected with the 4th between ozone generator 4 and diluent gas flow amount controller 2
Valve group 9, the 4th valve group 9 is used to control diluent gas to be passed through ozone generator 4, to prepare ozone.Particularly, in gas-phase titration mould
Under formula, access diluent gas and connect the second valve group 7 and the 4th valve group 9, a part of diluent gas enters smelly by the 4th valve group 9
Oxygen Generator 4, prepares ozone, and remainder diluent gas enters in mixed gas path；Access calibrating gas and connection first
The valve group 8 of valve group 6 and the 3rd, calibrating gas by after the valve group 8 of calibrating gas flow controller 1 and the 3rd enter ozone generator 4,
With the ozone reaction prepared, first gas is obtained, and the first gas prepared is sent into mixed gas path；The
One gas is mixed with diluent gas, obtains object gas.By using using cooperatively for the 3rd valve group 8 and the 4th valve group 9, without
Extra to set gas-phase titration room so that the space-consuming of dynamic gas distribution instrument reduces, stream shortens, and the output for improving distribution is stable
Time.
It should be noted that, under gas-phase titration pattern, it can first start the second valve group 7 under ozone distribution pattern, communicating valve
11 and the 3rd valve group 8, by controlling the diluting gas flow by calibrating gas flow controller 1 to the inside of ozone generator 4
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 associated with the 5th valve group 10,
The other end of 5th valve group 10 is connected with mixed gas path, and the 5th valve group 10 is led to for controlling calibrating gas to be passed through mixed gas
Road.Particularly, in the present embodiment, the first valve group 6, the second valve group 7, the 3rd 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 magnetic valve, control valve or manual operating valve, and phase is carried out 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 corresponds to and is connected with a calibrating gas
Access leg, for controlling corresponding Standard Gases to be passed through calibrating gas flow controller 1.In the present embodiment, the first valve group 6 by
Four single valve groups are combined, 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 being connected 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, the 3rd 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, it is present invention also offers a kind of air distributing method carried out using above-mentioned dynamic gas distribution instrument, i.e., conventional to match somebody with somebody
Gas pattern, specifically includes 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, Standard Gases are controlled
The controlled quentity controlled variable of body flow controller 1, calibrating gas is entered in mixed gas path 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, carrier gas is controlled
The controlled quentity controlled variable of body flow controller 2, diluent gas is entered in mixed gas path by diluent gas flow amount controller 2；Wherein,
The flow value of default diluent gas can reasonably be set according to actual implementation condition.
Mixed into the calibrating gas in mixed gas path with entering the diluent gas in mixed gas path, final
To object gas.
On the other hand, present invention also offers a kind of air distributing method carried out using above-mentioned dynamic gas distribution instrument, i.e. ozone is matched somebody with somebody
Gas pattern, specifically includes following steps：
Open the access of diluent gas；
The second valve group 7, the valve group 8 of communicating valve 11 and the 3rd are connected, according to the default flow value for preparing ozone, Standard Gases are controlled
The controlled quentity controlled variable of body flow controller 1, a part of diluent gas is passed sequentially through after the valve group 8 of calibrating gas flow controller 1 and the 3rd
Into ozone generator 4, ozone is prepared, and the ozone prepared is sent into mixed gas path；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 controlled quentity controlled variable of control diluent gas flow amount controller 2, remainder dilution
Gas is entered in mixed gas path by diluent gas flow amount controller 2；Wherein, the flow value for presetting diluent gas can basis
Actual implementation condition is reasonably set.
Mixed into the ozone in mixed gas path with entering the diluent gas in mixed gas path, finally give mesh
Gas body.
On the other hand, dripped present invention also offers a kind of air distributing method carried out using above-mentioned dynamic gas distribution instrument, i.e. gas phase
Mould-fixed, specifically includes following steps：
The access of diluent gas is opened, the second valve group 7 and the 4th valve group 9 is connected, according to the flow value of default diluent gas,
The controlled quentity controlled variable of diluent gas flow amount controller 2 is controlled, after diluent gas is by diluent gas flow amount controller 2, part dilution
Gas enters ozone generator 4 by the 4th valve group 9, prepares ozone；Remainder diluent gas enters in mixed gas path；
Wherein, presetting the flow value of diluent gas can reasonably be set according to actual implementation condition.
The access of calibrating gas is opened, the first valve group 6 and the 3rd valve group 8 is connected, according to the flow value of preset standard gas,
The controlled quentity controlled variable of calibrating gas flow controller 1 is controlled, after calibrating gas is by the valve group 8 of calibrating gas flow controller 1 and the 3rd
Into ozone generator 4, with the ozone reaction prepared, first gas is obtained, and the first gas prepared is sent into
In mixed gas path；Wherein, the flow value of preset standard gas can reasonably be set according to actual implementation condition.
Mixed into the first gas in mixed gas path with entering the diluent gas in mixed gas path, final
To object gas.
In summary, the invention provides a kind of dynamic gas distribution instrument, including calibrating gas path, diluent gas path and mixed
Gas passage is closed, calibrating gas path is provided with the first valve group and calibrating gas flow controller, and the first valve group is used to control to mark
Quasi- gas is passed through calibrating gas flow controller；Diluent gas path is provided with the second valve group and diluent gas flow amount controller,
Second valve group is used to control diluent gas to be passed through diluent gas flow amount controller；It is communicated between first valve group and the second valve group
Valve, design is simple, rational in infrastructure, when not accessing calibrating gas, only accesses diluent gas, and a part of diluent gas passes through dilution
Gas flow controller enters mixed gas path, and remainder diluent gas is entered by calibrating gas flow controller to be mixed
Gas passage, periodically can be cleaned with realizing to gas piping, to cause distributing instrument obtains effective cleaning to safeguard；Except upper
Outside stating, by being communicated with valve, gas can be controlled by calibrating gas flow controller and diluent gas flow amount controller simultaneously
Body flow, has effectively expanded gas flow scope；Calibrating gas path and diluent gas path pass through calibrating gas flow respectively
Controller and diluent gas flow amount controller are connected with mixed gas path, can each control on demand calibrating gas and carrier gas
The mass flow of body, object gas is configured so as to be passed into mixed pipe line, simple in construction, 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
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (8)
1. a kind of dynamic gas distribution instrument, including calibrating gas path, diluent gas path and mixed gas path, it is characterised in that：
The calibrating gas path is provided with the first valve group and calibrating gas flow controller, and the diluent gas path is provided with second
Valve group and diluent gas flow amount controller, valve is communicated between first valve group and second valve group；The Standard Gases
Body path and diluent gas path respectively by the calibrating gas flow controller and diluent gas flow amount controller with it is described
Mixed gas path is connected.
2. dynamic gas distribution instrument according to claim 1, it is characterised in that：Also include ozone generator, the ozone occurs
The air inlet of device is connected by the 3rd valve group with the calibrating gas flow controller, the gas outlet of the ozone generator and institute
State the connection of mixed gas path.
3. dynamic gas distribution instrument according to claim 2, it is characterised in that：The ozone generator and the diluent gas flow
The 4th valve group is connected between amount controller.
4. dynamic gas distribution instrument according to claim 1, it is characterised in that：The gas outlet of the calibrating gas flow controller
The 5th valve group is also associated with, the other end of the 5th valve group is connected with the mixed gas path.
5. the dynamic gas distribution instrument according to claim any one of 1-4, it is characterised in that：First valve group includes at least one
Individual single valve group, each single valve group corresponds to and is connected with a calibrating gas access leg, for controlling corresponding Standard Gases to be passed through
The calibrating gas flow controller.
6. a kind of air distributing method carried out using dynamic gas distribution instrument as claimed in claim 1, it is characterised in that including following step
Suddenly：
The access of the calibrating gas is opened, first valve group is connected, according to the flow value of preset standard gas, control is described
The controlled quentity controlled variable of calibrating gas flow controller, calibrating gas enters the mixed gas by the calibrating gas flow controller
In path；
The access of the diluent gas is opened, second valve group is connected, according to the flow value of default diluent gas, control is described
The controlled quentity controlled variable of diluent gas flow amount controller, diluent gas enters the mixed gas by the diluent gas flow amount controller
In path；
The calibrating gas 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, it is characterised in that including following step
Suddenly：
Open the access of the diluent gas；
Second valve group, the communicating valve and the 3rd valve group are connected, according to the default flow value for preparing ozone, institute is controlled
The controlled quentity controlled variable of calibrating gas flow controller is stated, a part of diluent gas passes sequentially through the calibrating gas flow controller
And the 3rd enter the ozone generator after valve group, ozone is prepared, and the ozone prepared is sent into the mixed gas and is led to
Lu Zhong；
According to the flow value of default diluent gas, the controlled quentity controlled variable of the diluent gas flow amount controller is controlled, described in remainder
Diluent gas is entered in the mixed gas path by the diluent gas flow amount controller；
The ozone is mixed with the diluent gas, obtains object gas.
8. a kind of air distributing method carried out using dynamic gas distribution instrument as claimed in claim 3, it is characterised in that including following step
Suddenly：
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 controlled quentity controlled variable 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 path；
The access of the calibrating gas is opened, first valve group and the 3rd valve group are connected, according to preset standard gas
Flow value, controls the controlled quentity controlled variable of the calibrating gas flow controller, and calibrating gas passes through the calibrating gas flow controller
And the 3rd enter the ozone generator after valve group, with the ozone reaction prepared, first gas is obtained, and will prepare
Obtained first gas is sent into the mixed gas path；
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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| CN107051242B CN107051242B (en) | 2019-09-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112540154A (en) * | 2020-10-26 | 2021-03-23 | 三河市清源绿创环境技术股份有限公司 | Intelligent gas distribution method and system |
| 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 |
| CN114514486A (en) * | 2019-03-06 | 2022-05-17 | 法国国家科学研究中心 | Microfluidic generator for generating a gaseous mixture |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580606A (en) * | 2012-02-29 | 2012-07-18 | 广东省职业病防治院 | Dynamic gas distribution instrument |
| CN103331125A (en) * | 2013-07-23 | 2013-10-02 | 重庆大学 | High-precision gas distribution instrument |
| CN104525011A (en) * | 2014-12-30 | 2015-04-22 | 力合科技（湖南）股份有限公司 | Dynamic gas sample compounder and gas sample compounding method |
| CN105314601A (en) * | 2014-07-29 | 2016-02-10 | 潘本锋 | Novel standard ozone generator |
-
2017
- 2017-05-31 CN CN201710398920.7A patent/CN107051242B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580606A (en) * | 2012-02-29 | 2012-07-18 | 广东省职业病防治院 | Dynamic gas distribution instrument |
| CN103331125A (en) * | 2013-07-23 | 2013-10-02 | 重庆大学 | High-precision gas distribution instrument |
| CN105314601A (en) * | 2014-07-29 | 2016-02-10 | 潘本锋 | Novel standard ozone generator |
| CN104525011A (en) * | 2014-12-30 | 2015-04-22 | 力合科技（湖南）股份有限公司 | Dynamic gas sample compounder and gas sample compounding method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114514486A (en) * | 2019-03-06 | 2022-05-17 | 法国国家科学研究中心 | Microfluidic generator for generating a gaseous mixture |
| 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 |
| CN112540154A (en) * | 2020-10-26 | 2021-03-23 | 三河市清源绿创环境技术股份有限公司 | Intelligent gas distribution method and system |
| 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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| CN107051242B (en) | 2019-09-17 |
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