CN206587608U - A kind of multicomponent gas mixing match device - Google Patents
A kind of multicomponent gas mixing match device Download PDFInfo
- Publication number
- CN206587608U CN206587608U CN201720094713.8U CN201720094713U CN206587608U CN 206587608 U CN206587608 U CN 206587608U CN 201720094713 U CN201720094713 U CN 201720094713U CN 206587608 U CN206587608 U CN 206587608U
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- China
- Prior art keywords
- pressure
- gas
- casing
- premixing tank
- branch road
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Abstract
The utility model discloses a kind of multicomponent gas mixing match device, it includes casing, premixing tank is provided with casing, the output end of premixing tank is communicated with mixed gas output interface, at least two input branch roads are additionally provided with casing, input branch road includes the gas input interface being sequentially communicated by pipeline, filter, pressure-reducing valve, accurate ratio adjusting valve and pneumatic control valve, the output end of pneumatic control valve is by pipeline connection in an input of premixing tank, gas input interface is used to access unstrpped gas, filter is used to filter out the particulate matter and moisture in unstrpped gas, accurate ratio adjusting valve is used for the flow for adjusting unstrpped gas, pneumatic control valve is used to that branch road on or off will to be inputted;Premixing tank is used to mix the unstrpped gas of at least two input branch road outputs.The utility model distributing precision is high, output pressure is stable.
Description
Technical field
The utility model is related to gas mixing ratio device, more particularly to a kind of multicomponent gas mixing match device.
Background technology
Mixed gas is using increasing in field of industrial production, and it can meet various technological requirements, particularly in weldering
Connect, chemical industry, material, medicine, the application of the field such as scientific experiment it is quite extensive.The demand of mixed gas flow is increasing, to mix
Also species is various for the gas of conjunction, and the matching device of mixed gas also grows up therewith.
The current manufacturer of gas proportion mixing device at home, which also compares, to be lacked, and is substantially in production fixed mixing ratio
The ordinary purity gas mixer of degree, even if proportion of degree is adjustable type, distributing precision is not also high, and use tubing and
Equipment is also all relatively conventional, it is impossible to meet some industries and R&D institution to experimental gas proportion mixing adjustable extent
The wide, demand that gas purity is high, simple to operate, control accuracy is high.
Utility model content
The technical problems to be solved in the utility model is, matches somebody with somebody in view of the shortcomings of the prior art there is provided a kind of gas mixing
The multicomponent gas mixing match device that, distributing precision wider than the adjustable extent of degree is high, gas purity is good, output pressure is stable.
In order to solve the above technical problems, the utility model is adopted the following technical scheme that.
A kind of multicomponent gas mixing match device, it, which includes, is provided with premixing tank, the premixing tank in casing, the casing
Include at least two inputs and an output end, the output end of the premixing tank is communicated with mixed gas output interface, described
At least two input branch roads are additionally provided with casing, the input of the premixing tank is corresponded with the input branch road and connected, its
In:The input branch road includes the gas input interface being sequentially communicated by pipeline, filter, pressure-reducing valve, accurate ratio and adjusted
Save valve and pneumatic control valve, the output end of the pneumatic control valve by pipeline connection in an input of premixing tank, it is described
Gas input interface is used to access unstrpped gas, and the filter is used to filter out the particulate matter and moisture in unstrpped gas, described
Pressure-reducing valve is used to the pressure of unstrpped gas being reduced to preset value, and the accurate ratio adjusting valve is used for the stream for adjusting unstrpped gas
Amount, the pneumatic control valve is used to that branch road on or off will to be inputted;The premixing tank is used at least two input branch roads are defeated
The unstrpped gas mixing gone out.
Preferably, gas purity analyzer is also included, the induction end of the gas purity analyzer is located at the premix
In tank, the main frame of the gas purity analyzer is on casing.
Preferably, the casing is provided with main control unit, and the input branch road also includes first pressure transmitter, described
First pressure transmitter is on the pipeline between pressure-reducing valve and accurate ratio adjusting valve, and the first pressure transmitter is used to feel
Answer air pressure and produce electric signal, and by the electric signal transmission to main control unit, so that main control unit obtains the air pressure of input branch road
Data.
Preferably, the input branch road also includes first pressure table, and the first pressure table is on casing, and described the
One manometric gas access is on the pipeline between pressure-reducing valve and accurate ratio adjusting valve, and the first pressure table is used to adopt
Air pressure on collection and display input branch road.
Preferably, second pressure transmitter is also included, the second pressure transmitter is located at premixing tank and mixed gas
On pipeline between output interface, the second pressure transmitter is used for induction air pressure and produces electric signal, and by the electric signal
Transmit to main control unit, so that main control unit obtains the barometric information of premixing tank output end.
Preferably, second pressure table is also included, the second pressure table is on casing, the gas of the second pressure table
Body entrance is on the pipeline between premixing tank and mixed gas output interface, and the second pressure table is used to gathering and showing pre-
The air pressure of mixed tank output end.
Preferably, the casing is provided with voice guard, and the voice guard is electrically connected at main control unit, and
When the air pressure that the first pressure transmitter and second pressure transmitter are gathered exceedes preset value, the main control unit control sound
Sound alarm sends auditory tone cues.
Preferably, the casing is provided with visual alarm, and the visual alarm is electrically connected at main control unit, and
When the air pressure that the first pressure transmitter and second pressure transmitter are gathered exceedes preset value, the main control unit controls lamp
Light crossing-signal sends light prompt.
Preferably, the casing is provided with power supply indicator, operation button and scram button.
Preferably, the bottom of the casing is provided with roller and adjustable support pin.
In multicomponent gas mixing match device disclosed in the utility model, unstrpped gas passes through efficient filter, by original
Expect the particulate matter and moisture removal in gas so that gas purity is more preferable;The pressure of unstrpped gas is down to by pressure-reducing valve again
The operating pressure of mixing match device;Unstrpped gas is realized accurate by accurate ratio adjusting valve and pneumatic control valve afterwards
The requirement of proportioning, not only makes the adjustable extent of gas proportion mixing degree wider, and distributing precision is higher;Mixed gas dress
Enter premixing tank, realized and be pre-mixed using the pressure stability function of premixing tank so that the pressure of output gas is stabilized.
Brief description of the drawings
Fig. 1 is the structural representation of casing.
Fig. 2 is the structural representation of the utility model multicomponent gas mixing match device.
Embodiment
The utility model is described in more detail with reference to the accompanying drawings and examples.
The utility model discloses a kind of multicomponent gas mixing match device, with reference to shown in Fig. 1 and Fig. 2, it includes case
Premixing tank 2 is provided with body 1, the casing 1, the premixing tank 2 includes at least two inputs and an output end, the premix
The output end of tank 2 is communicated with mixed gas output interface 3, the casing 1 and is additionally provided with least two input branch roads 4, described pre-
The input of mixed tank 2 is corresponded with the input branch road 4 and connected, wherein:
The input branch road 4 includes the gas input interface 40 being sequentially communicated by pipeline, filter 41, pressure-reducing valve
42nd, accurate ratio adjusting valve 43 and pneumatic control valve 44, the output end of the pneumatic control valve 44 is by pipeline connection in premix
One input of tank 2, the gas input interface 40 is used to access unstrpped gas, and the filter 41 is used to filter out unstripped gas
Particulate matter and moisture in body, the pressure-reducing valve 42 are used to the pressure of unstrpped gas being reduced to preset value, the accurate ratio
Regulating valve 43 is used for the flow for adjusting unstrpped gas, and the pneumatic control valve 44 is used to that the on or off of branch road 4 will to be inputted;
The premixing tank 2 is used to mix the unstrpped gas that at least two input branch roads 4 are exported.
In above-mentioned multicomponent gas mixing match device, unstrpped gas passes through efficient filter 41, by unstrpped gas
Particulate matter and moisture removal so that gas purity is more preferable;The pressure of unstrpped gas is down to mixing match by pressure-reducing valve 42 again
The operating pressure of device;Unstrpped gas realizes accurate proportioning by accurate ratio adjusting valve 43 and pneumatic control valve 44 afterwards
Requirement, not only make the adjustable extent of gas proportion mixing degree wider, and distributing precision is higher;Mixed gas loads pre-
Mixed tank 2, is realized using the pressure stability function of premixing tank and is pre-mixed so that the pressure of output gas is stabilized.As can be seen here,
The adjustable extent of the utility model not only gas proportion mixing degree is wide, and distributing precision is high, gas purity is good, output pressure is steady
It is fixed.
In the present embodiment, it can also be multiple that input branch road 4, which can be two,.So that binary gas is mixed as an example, two kinds of gas
Body loads on the gas input interface 40 of two input branch roads 4 respectively, and two kinds of gases are respectively through filtering, decompression, accurate ratio
Example loads premixing tank 2 after setting.In practical application, user can set the defeated of respective numbers according to the difference of unstrpped gas quantity
Enter branch road 4, therefore, the utility model is not construed as limiting to the quantity for inputting branch road 4, i.e., on the basis of technical solutions of the utility model
Branch road quantity made etc. is adjusted, and should be included within protection domain of the present utility model.
As a kind of preferred embodiment, the present embodiment also includes gas purity analyzer 5, the gas purity analyzer 5
Induction end in the premixing tank 2, the main frame 50 of the gas purity analyzer 5 is on casing 1.Analyzer is from premix
Sample gas is extracted in tank, quick gas analysis is done, and according to the control of setting range progress output gas.
Further, the casing 1 is provided with main control unit 51, and the input branch road 4 also includes first pressure pick-up
Device 45, the first pressure transmitter 45 is on the pipeline between pressure-reducing valve 42 and accurate ratio adjusting valve 43, and described first
Pressure transmitter 45 is used for induction air pressure and produces electric signal, and by the electric signal transmission to main control unit 51, for master control list
Member 51 obtains the barometric information of input branch road 4.
In a preferred embodiment, the input branch road 4 also includes first pressure table 46, and the first pressure table 46 is located at
On casing 1, the gas access of the first pressure table 46 is located on the pipeline between pressure-reducing valve 42 and accurate ratio adjusting valve 43,
The first pressure table 46 is used to gathering and showing the air pressure on input branch road 4.
For the ease of collection air pressure, also include second pressure transmitter 6, the second pressure transmitter 6 is located at premix
On pipeline between tank 2 and mixed gas output interface 3, the second pressure transmitter 6 is used for induction air pressure and produces telecommunications
Number, and by the electric signal transmission to main control unit 51, so that main control unit 51 obtains the barometric information of the output end of premixing tank 2.This
Also there is real-time air pressure display function outside, also include second pressure table 7, the second pressure table 7 is described on casing 1
The gas access of second pressure table 7 is on the pipeline between premixing tank 2 and mixed gas output interface 3, the second pressure
Table 7 is used for the air pressure for gathering and showing the output end of premixing tank 2.
For the ease of sending alarm, the casing 1 is provided with voice guard 52, and the voice guard 52 is electrically connected with
In main control unit 51, and when the air pressure that the first pressure transmitter 45 and second pressure transmitter 6 are gathered exceedes preset value
When, the control of main control unit 51 voice guard 52 sends auditory tone cues.Meanwhile, the casing 1 is provided with visual alarm
53, the visual alarm 53 is electrically connected at main control unit 51, and when the first pressure transmitter 45 and second pressure
When the air pressure that transmitter 6 is gathered exceedes preset value, the control of main control unit 51 visual alarm 53 sends light prompt.
On body structure, the casing 1 is provided with power supply indicator 8, operation button 9 and scram button 10.The case
The bottom of body 1 is provided with roller 11 and adjustable support pin 12.
Compared to existing technologies, the utility model highest distributing precision reaches ± 0.1% to the utility model;Meanwhile, city
Being substantially for being sold on field uses material for red copper or common stainless steel pipes, it is impossible to realize Gao Chun Du≤99.999%
Gas proportion mixing, even if unstrpped gas purity reached 99.999% as the material problem of equipment and cause dirt
Dye, and device of the present utility model, the pipe material used are that (Bright Annealed Pipe lights are moved back SS316L BA pipes
Fire tube, inwall finish Ra≤0.3 μm, it is adaptable to which gas purity is Yaoed Qiu≤99.999%) and SS316L EP and managed
ElectroPolished Pipe electropolishing pipes, inwall finish Ra≤0.2 μm, it is adaptable to gas purity Yao Qiu≤
99.9999%;High-purity gas, etchant gas, the device of inflammable gas employ VCR interface Vacuum Coupling Radius
Seal, VCR sealing joint are good, and cleanliness factor is high;The scope of gas proportion mixing is wide, the pressure and flow to unstrpped gas will
It is not very harsh to ask, and the pressure of the gas output after mixing match is highly stable;The operation of gas proportion mixing device
Simply, it can ensure that operating personnel quickly realize that easily operation is required.
The utility model can be found in following examples in application process:
On body structure, multicomponent gas mixing match device is installed concentratedly in the casing of closing, depending on the demand of user
And increasing the surge tank of external gas, box sizes can be adjusted because of different parameters.There is exercisable touch in casing front
Screen, operating personnel can be operated accordingly according to the actual needs, and the operation interface of device is simple and directly perceived, is divided into main interface
And interface, interface is login interface, warning message interface, Chinese and English interface switching, also can be according to the specific requirement of user
Carry out part increase and decrease.Casing front is mounted with analyzer, can real-time tracking match gas proportioning situation, facilitate operating personnel more
Plus get information about the situation of technique.Casing front is mounted with after the pressure gauge of the entrance device of two-spot gas and mixing match
Pressure gauge, can get information about the pressure condition of gas, and unstripped gas is changed in advance according to corresponding prediction scheme.It is distributed in casing
Positive scram button, alarm lamp, alarm buzzer etc., are the corresponding warnings and accident provided for device
Fast processor part.
By taking conventional two-spot gas proportion mixing device as an example, unstrpped gas passes through efficient filter, by unstrpped gas
In particulate matter and moisture removal;The pressure of unstrpped gas is down to the pressure of mixing match device work by pressure-reducing valve again;
It is mounted with that pressure transmitter constantly monitors the pressure of gas on gas pipeline after decompression, and the signal of pressure transmitter passes through
PLC system is controlled accordingly, and provides the function of undervoltage warning, and related personnel is pointed out in time, carries out unstrpped gas
Change or overhaul;Unstrpped gas by flow controller and high-precision proportional control valve, realizes the requirement accurately matched again;It is mixed
The gas of conjunction is sufficiently mixed in premixed device and premixing tank has certain pressure stability function;Analyzer is extracted from premixing tank
Sample gas, does quick gas analysis, and according to the control of setting range progress output gas;The mixed gas of premixing tank outlet
Pressure transmitter is mounted with pipeline, constantly the output situation of monitoring system, once beyond the permission pressure limit of user, stand
Cut off the respective valves of supply.The pressure transmitter of unstrpped gas input port inputs a signal into PLC system, when gas pressure is high
In setting pressure, alarm and can not starter, when pressure less than setting pressure, alarm;Flow controller is by setting
Fixed flow value, voluntarily adjusts the output flow of gas, and alarm flow transfinites or is short of;Proportional control valve according to point
The testing result of analyzer automatically adjusts the output of gas flow;Pneumatic control valve is normally normally open, works as unstripped gas
Body pressure superpressure or device output pressure is under-voltage can all switch to normally off, is also directly controlled by scram button, is in addition
Operating personnel think occur under abnormal conditions, can press scram button, you can the gas output supply of shearing device;Analyzer is
The core instrument of device, its serials control proportioning valve, also assists in the control of flow controller.
In control process, the manually-operated gate of air inlet is opened, gas passes through filter, into pressure-reducing valve, carried according to user
Pressure for designing device, the handle of rotating pressure-decreasing valve makes the pressure after decompression reach in defined pressure limit;Adjustment control
The output pressure of the source of the gas pressure-reducing valve of valve is in 0.3-0.6MPa;After correct register system, carried out according to actual production demand
Corresponding parameter setting;" startup " virtual push button of runnable interface is clicked on, system brings into operation;Open the manual of analyzer sample
On valve premixing tank, the pressure-reducing valve on adjustment analyzer sample pipeline makes the pressure after decompression in 0.05-0.15MPa, adjustment analysis
The gas flow of suspended body flowmeter on instrument, makes range of flow in 100-400ml/min;Because first time uses or stops for a long time
Reused after machine, mixing match device there need to be the mixing match degree in one stable time, this time to be to meet
Actual demand, so directly can not directly export mixed gas, closes outlet valve within this time, atmospheric valve is beaten
Open;The data of observation analysis instrument, stable after in the range of meeting the requirements, the outlet valve of first device for opening is then shut off emptying
Valve;In normal course of operation, if admission pressure is less than the lower limit alarming value or the upper limit alarm value higher than setting of setting
The pneumatic control valve that system can be closed in this pipeline, to ensure that the user equipment of device rear end is unaffected, and alarm;Normally
In running, if the outlet pressure of device is less than the limit alarming value of setting or the upper limit alarm value higher than setting, system
The control valve that can be closed on the pipeline of two-way input gas;In normal course of operation, set if the display data of analyzer is less than
Fixed limit alarming value or the upper limit alarm value higher than setting, the control valve that system can be closed on the pipeline of two-way input gas;
The parameter setting of flow controller, will be set according to the Shi Jishiyong flow of this pipeline in the Shi Jishiyong flow of user;It is high-precision
Proportional control valve is spent, tandem regulation and control are carried out by analyzer and flow controller, also can be according to user's without carrying out parameter setting
Voluntarily require, set the opening ratio such as 20-80% of control valve;The operating personnel of user want periodic observation gas proportion mixing to fill
Put, running status, it is found that alarm will be handled in time, the particularly alarm of unstrpped gas low pressure must be handled, otherwise as early as possible
Device can autostop.
Multicomponent gas mixing match device disclosed in the utility model, it is preferred to use structure of relief pressure valve, is applicable pressure, stream
Measure scope big, precision is high, it is ensured that the stability of output pressure and flow;Meanwhile, using the high-precision proportional control valve of import
High-precision proportioning is realized with flow controller;Proportional control valve and flow controller can be according to user actual pressure and flow
Selected, selectable scope is wide;BA and EP pipelines can guarantee that the gas supply of high-purity is required;The equipment of VCR interfaces is true
Protect the low slip of high-pressure gas pipelines;The automatic welding of pipeline can reduce leakage point, and attractive in appearance;Perfect PLC controls system
System, it is ensured that the relatively reliable operation of system, and it is simple to operate.
Simply the utility model preferred embodiment described above, is not limited to the utility model, all in this practicality
Modification, equivalent substitution or improvement made in new technical scope etc., should be included in the model that the utility model is protected
In enclosing.
Claims (10)
1. a kind of multicomponent gas mixing match device, it is characterised in that include and premixing tank, institute are provided with casing, the casing
State premixing tank and include at least two inputs and an output end, the output end of the premixing tank is communicated with mixed gas output and connect
Mouthful, at least two input branch roads are additionally provided with the casing, the input of the premixing tank is corresponded with the input branch road
Connection, wherein:
The input branch road includes the gas input interface being sequentially communicated by pipeline, filter, pressure-reducing valve, accurate ratio and adjusted
Save valve and pneumatic control valve, the output end of the pneumatic control valve by pipeline connection in an input of premixing tank, it is described
Gas input interface is used to access unstrpped gas, and the filter is used to filter out the particulate matter and moisture in unstrpped gas, described
Pressure-reducing valve is used to the pressure of unstrpped gas being reduced to preset value, and the accurate ratio adjusting valve is used for the stream for adjusting unstrpped gas
Amount, the pneumatic control valve is used to that branch road on or off will to be inputted;
The premixing tank is used to mix the unstrpped gas of at least two input branch road outputs.
2. multicomponent gas mixing match device as claimed in claim 1, it is characterised in that also include gas purity analysis
Instrument, the induction end of the gas purity analyzer is in the premixing tank, and the main frame of the gas purity analyzer is located at case
On body.
3. multicomponent gas mixing match device as claimed in claim 1, it is characterised in that the casing is provided with master control list
Member, the input branch road also includes first pressure transmitter, and the first pressure transmitter is located at pressure-reducing valve and accurate ratio
On pipeline between regulating valve, the first pressure transmitter is used for induction air pressure and produces electric signal, and the electric signal is passed
Main control unit is transported to, so that main control unit obtains the barometric information of input branch road.
4. multicomponent gas mixing match device as claimed in claim 1, it is characterised in that the input branch road also includes
One pressure gauge, the first pressure table is on casing, and the gas access of the first pressure table is located at pressure-reducing valve and accurate ratio
On pipeline between example regulating valve, the first pressure table is used to gathering and showing the air pressure on input branch road.
5. multicomponent gas mixing match device as claimed in claim 3, it is characterised in that also include second pressure pick-up
Device, the second pressure transmitter is on the pipeline between premixing tank and mixed gas output interface, and the second pressure becomes
Send device to be used for induction air pressure and produce electric signal, and by the electric signal transmission to main control unit, premixed so that main control unit is obtained
The barometric information of tank output end.
6. multicomponent gas mixing match device as claimed in claim 1, it is characterised in that also include second pressure table, institute
Second pressure table is stated on the casing, the gas access of the second pressure table located at premixing tank and mixed gas output interface it
Between pipeline on, the second pressure table is used to gathering and showing the air pressure of premixing tank output end.
7. multicomponent gas mixing match device as claimed in claim 5, it is characterised in that the casing is provided with audible alarm
Device, the voice guard is electrically connected at main control unit, and when the first pressure transmitter and second pressure transmitter
When the air pressure of collection exceedes preset value, the main control unit control voice guard sends auditory tone cues.
8. multicomponent gas mixing match device as claimed in claim 7, it is characterised in that the casing is provided with light warning
Device, the visual alarm is electrically connected at main control unit, and when the first pressure transmitter and second pressure transmitter
When the air pressure of collection exceedes preset value, the main control unit control visual alarm sends light prompt.
9. multicomponent gas mixing match device as claimed in claim 1, it is characterised in that the casing is provided with power supply instruction
Lamp, operation button and scram button.
10. multicomponent gas mixing match device as claimed in claim 1, it is characterised in that the bottom of the casing is provided with rolling
Wheel and adjustable support pin.
Priority Applications (1)
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CN201720094713.8U CN206587608U (en) | 2017-01-24 | 2017-01-24 | A kind of multicomponent gas mixing match device |
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CN201720094713.8U CN206587608U (en) | 2017-01-24 | 2017-01-24 | A kind of multicomponent gas mixing match device |
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CN201720094713.8U Expired - Fee Related CN206587608U (en) | 2017-01-24 | 2017-01-24 | A kind of multicomponent gas mixing match device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107913451A (en) * | 2017-12-29 | 2018-04-17 | 上海德尔格医疗器械有限公司 | A kind of gas regulating system and modular air regulating device |
CN113813803A (en) * | 2021-06-08 | 2021-12-21 | 福尼斯(南京)表面工程技术有限公司 | High-precision multi-component gas proportioning method for surfacing |
CN114963003A (en) * | 2021-02-19 | 2022-08-30 | 中国科学院微电子研究所 | Gas supply system and gas supply method for semiconductor manufacturing |
-
2017
- 2017-01-24 CN CN201720094713.8U patent/CN206587608U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107913451A (en) * | 2017-12-29 | 2018-04-17 | 上海德尔格医疗器械有限公司 | A kind of gas regulating system and modular air regulating device |
CN107913451B (en) * | 2017-12-29 | 2023-11-03 | 上海德尔格医疗器械有限公司 | Gas regulating system and modularized gas regulating device |
CN114963003A (en) * | 2021-02-19 | 2022-08-30 | 中国科学院微电子研究所 | Gas supply system and gas supply method for semiconductor manufacturing |
CN113813803A (en) * | 2021-06-08 | 2021-12-21 | 福尼斯(南京)表面工程技术有限公司 | High-precision multi-component gas proportioning method for surfacing |
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Granted publication date: 20171027 Termination date: 20210124 |