CN203678345U - Automatic proportioning device for mixed gas - Google Patents
Automatic proportioning device for mixed gas Download PDFInfo
- Publication number
- CN203678345U CN203678345U CN201420022993.8U CN201420022993U CN203678345U CN 203678345 U CN203678345 U CN 203678345U CN 201420022993 U CN201420022993 U CN 201420022993U CN 203678345 U CN203678345 U CN 203678345U
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- gas
- hydrogen
- input
- blender
- automatic matching
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- 239000007789 gas Substances 0.000 claims abstract description 126
- 239000001257 hydrogen Substances 0.000 claims abstract description 90
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 90
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 83
- 239000003595 mist Substances 0.000 claims description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 230000003993 interaction Effects 0.000 claims description 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- 150000002431 hydrogen Chemical class 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 230000004044 response Effects 0.000 abstract description 7
- 230000001276 controlling effect Effects 0.000 description 10
- 230000008859 change Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- -1 Nitrogen hydrogen Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- Accessories For Mixers (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model provides an automatic proportioning device for mixed gas. The automatic proportioning device is characterized by comprising a mixer, a hydrogen input controller, a second gas flowmeter, a gas analyzer and a main controller, wherein the mixer is used for mixing hydrogen with second gas to form the mixed gas, and the mixer is connected with a gas outlet; the hydrogen input controller is used for controlling the flow rate of the hydrogen input in the mixer; the second gas flowmeter is used for measuring the flow rate of the second gas input in the mixer; the gas analyzer is used for measuring the components of the mixed gas; the input end of the main controller is in signal connection with the output end of the second gas flowmeter and the output end of the gas analyzer respectively, and the output end of the main controller is connected with the input end of the hydrogen input controller. The device is high in response speed, good in dynamic performance and high in proportioning precision.
Description
Technical field
The utility model relates to gas mixing ratio device technique field, more particularly, relates to a kind of gas automatic matching device.
Background technology
In industrial production, for example, in the product processing of the industries such as plating, electronics and semiconductor, mix by nitrogen and hydrogen the nitrogen hydrogen mixeding gas forming to be widely used, be a kind of safe and reliable protective gas.Because nitrogen hydrogen mixeding gas has the advantages such as production cost is low, protective value is good, therefore nitrogen hydrogen mixeding gas is a kind of important industrial materials, and its preparation method is always by extensive concern.Existing nitrogen hydrogen matching device ubiquity is following not enough: one, response speed is slow, bad dynamic performance, and in the time that larger variation appears in flow, the composition deviation of nitrogen hydrogen mixeding gas is large, does not reach production requirement; Two, distributing precision is low, can not be applicable to the high application scenario of distributing precision requirement.Nitrogen hydrogen distributing precision deficiency will affect the protective value of nitrogen hydrogen mixeding gas, affects the processing technology of product.Except nitrogen, also have some gases also to mix and can form protective gas, for example argon gas with hydrogen.Therefore, need to develop a kind of fast response time, dynamic property is good, distributing precision is high mixed gases matching device.
Utility model content
The purpose of this utility model is to overcome shortcoming of the prior art with not enough, and a kind of fast response time, dynamic property is good, distributing precision is high mist automatic matching device are provided.
In order to achieve the above object, the utility model is achieved by following technical proposals: a kind of mist automatic matching device, is characterized in that: comprising:
For hydrogen and the second gas being mixed to form to the blender of mist; Blender is connected with gas vent;
Be used for the hydrogen input control device of the hydrogen flowing quantity of control inputs blender;
Be used for the second gas flowmeter of the second gas flow of measuring input mixer;
For measuring the gas analyzer of mixed gas composition;
And master controller;
The input of described master controller is connected with the output of the second gas flowmeter and the output end signal of gas analyzer respectively, and the output of master controller is connected with the input end signal of hydrogen input control device.
The principle of the utility model device is: the second gas is inputted from the second gas input, and hydrogen is inputted from hydrogen input.The second gas flow measuring flow control two gas flows, and send the second gas flow information; Gas analyzer is measured the composition of mist simultaneously, and sends mixed gas composition information; Master controller receives the second gas flow information and mixed gas composition information, master controller carries out computing, draw preliminary hydrogen flowing quantity controlling value according to the second gas flow, according to mixed gas composition information, hydrogen flowing quantity controlling value is revised again, finally hydrogen flowing quantity controlling value signal is sent to hydrogen input control device; By the size of hydrogen input controller controls hydrogen flowing quantity; To realize mixed gases matching function.The utility model device adopts open loop, closed-loop control, and dynamic property is good, fast response time, and distributing precision is high; Be particularly useful for mixed gas flow change greatly, the high application scenario of distributing precision requirement.
Further scheme is: also comprise the human-computer interaction interface for inputting gas mixture ratio example parameter, human-computer interaction interface is connected with master controller signal.User changes gas mixture ratio example parameter by human-computer interaction interface, and master controller, according to gas mixture ratio example parameter information, changes hydrogen flowing quantity controlling value, then by hydrogen input controller controls hydrogen flowing quantity, to obtain the mist of different mixing proportion.
Mist automatic matching device also comprises the purifier for adsorbing impurities from mixed gas, and purifier is arranged between blender and gas vent.Add purifier, can improve the purity of mist.
The two ends of described hydrogen input control device are connected with hydrogen input and blender respectively; The two ends of the second gas flowmeter are connected with the second gas input and blender respectively.
Described hydrogen input control device is connected to form by magnetic valve and hydrogen flowing quantity controller; Described magnetic valve is connected with hydrogen input; Described hydrogen flowing quantity controller is connected with blender, and the input of hydrogen flowing quantity controller is connected with the output end signal of master controller.
Preferred scheme is: described the second gas flowmeter is connected with the second gas input by pressure-reducing valve one.Adopt pressure-reducing valve one, the admission pressure of capable of regulating the second gas, controls the admission pressure of the second gas lower than the admission pressure of hydrogen, is conducive to device and reliablely and stablely moves.
Between described the second gas flowmeter and blender, be also provided with pressure sensor, the output of pressure sensor is connected with the input end signal of master controller.Pressure sensor, for measuring the pressure between the second gas flowmeter and blender, can improve the precision of gas proportion mixing.
Preferred scheme is: described the second gas adopts nitrogen or argon gas.
Described gas analyzer adopts hydrogen to divide instrument; Described hydrogen divides the input of instrument and the output of blender to be connected by pressure-reducing valve two.Hydrogen divides instrument can detect hydrogen degree in mist, and hydrogen divides instrument that hydrogen degree information is sent to master controller, the initial value of master controller correction hydrogen flowing quantity controlling value.Adopt pressure-reducing valve two, can avoid gas analyzer to be subject to excessive air pressure and impact.
Described master controller adopts PLC controller.
Compared with prior art, the utlity model has following advantage and beneficial effect:
1, the utility model device adopts open loop, closed-loop control, and dynamic property is good, fast response time, and distributing precision is high; Be particularly useful for mixed gas flow change greatly, the high application scenario of distributing precision requirement;
2, the utility model device comprises human-computer interaction interface, can be set by the user gas mixture ratio example parameter, obtains the mist of different mixing proportion;
3, the utility model device has good stability and reliability.
Accompanying drawing explanation
Fig. 1 is the system architecture schematic diagram of the utility model device;
Wherein, 1 for hydrogen input control device, 2 for master controller, 3 be the second gas flowmeter, 4 for blender, 5 for gas analyzer, 6 for pressure-reducing valve one, 7 for pressure-reducing valve two, 8 for purifier, 9 for pressure sensor, 10 be human-computer interaction interface.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail.
Embodiment
A kind of mist automatic matching device, its system architecture schematic diagram as shown in Figure 1.Device comprises hydrogen input control device 1, the second gas flowmeter 3, blender 4, gas analyzer 5 and master controller 2.The second gas can adopt nitrogen or argon gas.Hydrogen input is connected with hydrogen input control device 1 and blender 4 successively.Hydrogen input control device 1 is for controlling hydrogen flowing quantity.The second gas input is connected with the second gas flowmeter 3 and blender 4 successively.The second gas flowmeter 3 is for measuring the second gas flow.Hydrogen and the second gas are input in blender 4, and hydrogen and the second gas are mixed to form mist by blender 4.Gas analyzer 5 is connected to the output of blender, for measuring mixed gas composition.The input of master controller 2 is connected with the output of the second gas flowmeter 3 and the output end signal of gas analyzer 5 respectively, and the output of master controller 2 is connected with the input end signal of hydrogen input control device 1.
The principle of the utility model device is: the second gas is inputted from the second gas input, and the second gas flow is measured by the second gas flowmeter 3; Hydrogen is from the input of hydrogen input, and the size of hydrogen flowing quantity is controlled by hydrogen input control device 1.The second gas flowmeter 3 is measured the second gas flow, and sends the second gas flow information; Gas analyzer 5 is measured the composition of mist simultaneously, and sends mixed gas composition information; Master controller 2 receives the second gas flow information and mixed gas composition information, master controller 2 carries out computing, draw preliminary hydrogen flowing quantity controlling value according to the second gas flow, according to mixed gas composition information, hydrogen flowing quantity controlling value is revised again, finally hydrogen flowing quantity controlling value signal is sent to hydrogen input control device 1; Controlled the size of hydrogen flowing quantity by hydrogen input control device 1; To realize mixed gases matching function.The utility model device adopts open loop, closed-loop control, and dynamic property is good, fast response time, and distributing precision is high; Be particularly useful for mixed gas flow change greatly, the high application scenario of distributing precision requirement.
Hydrogen input control device 1 is preferably connected to form by magnetic valve and hydrogen flowing quantity controller.Magnetic valve is connected with hydrogen input; Hydrogen flowing quantity controller is connected with blender 4, and the input of hydrogen flowing quantity controller is connected with the output end signal of master controller 2.Master controller 2 preferably adopts PLC controller.
Device also comprises the human-computer interaction interface 10 for inputting gas mixture ratio example parameter, and human-computer interaction interface 10 is connected with master controller 2 signals.User changes gas mixture ratio example parameter by human-computer interaction interface 10, master controller 2 is according to gas mixture ratio example parameter information, change hydrogen flowing quantity controlling value, then control hydrogen flowing quantity by hydrogen input control device 1, to obtain the mist of different mixing proportion.
The second gas flowmeter 3 is preferably connected with the second gas input by pressure-reducing valve 1, and the admission pressure of capable of regulating the second gas is controlled the admission pressure of the second gas lower than the admission pressure of hydrogen, is conducive to device and reliablely and stablely moves.Between the second gas flowmeter 3 and blender 4, be also provided with pressure sensor 9, the output of pressure sensor 9 is connected with the input end signal of master controller 2.Gas analyzer 5 adopts hydrogen to divide instrument.Hydrogen divides instrument can detect hydrogen degree in mist.Impact for avoiding hydrogen to divide instrument to be subject to excessive air pressure, hydrogen divides the input of instrument and the output of purifier to be connected by pressure-reducing valve 27.
Device can also comprise the purifier 8 for adsorbing impurities from mixed gas, and purifier 8 is arranged between blender 4 and gas vent.Add purifier 8, can improve the purity of mist.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (10)
1. a mist automatic matching device, is characterized in that: comprising:
For hydrogen and the second gas being mixed to form to the blender of mist; Blender is connected with gas vent;
Be used for the hydrogen input control device of the hydrogen flowing quantity of control inputs blender;
Be used for the second gas flowmeter of the second gas flow of measuring input mixer;
For measuring the gas analyzer of mixed gas composition;
And master controller;
The input of described master controller is connected with the output of the second gas flowmeter and the output end signal of gas analyzer respectively, and the output of master controller is connected with the input end signal of hydrogen input control device.
2. mist automatic matching device according to claim 1, is characterized in that: also comprise the human-computer interaction interface for inputting gas mixture ratio example parameter, human-computer interaction interface is connected with master controller signal.
3. mist automatic matching device according to claim 1, is characterized in that: also comprise the purifier for adsorbing impurities from mixed gas, purifier is arranged between blender and gas vent.
4. according to the mist automatic matching device described in any one in claims 1 to 3, it is characterized in that: the two ends of described hydrogen input control device are connected with hydrogen input and blender respectively; The two ends of the second gas flowmeter are connected with the second gas input and blender respectively.
5. mist automatic matching device according to claim 4, is characterized in that: described hydrogen input control device is connected to form by magnetic valve and hydrogen flowing quantity controller; Described magnetic valve is connected with hydrogen input; Described hydrogen flowing quantity controller is connected with blender, and the input of hydrogen flowing quantity controller is connected with the output end signal of master controller.
6. mist automatic matching device according to claim 4, is characterized in that: described the second gas flowmeter is connected with the second gas input by pressure-reducing valve one.
7. mist automatic matching device according to claim 4, is characterized in that: between described the second gas flowmeter and blender, be also provided with pressure sensor, the output of pressure sensor is connected with the input end signal of master controller.
8. according to the mist automatic matching device described in any one in claims 1 to 3, it is characterized in that: described the second gas adopts nitrogen or argon gas.
9. mist automatic matching device according to claim 3, is characterized in that: described gas analyzer adopts hydrogen to divide instrument; Described hydrogen divides the input of instrument and the output of purifier to be connected by pressure-reducing valve two.
10. according to the mist automatic matching device described in any one in claims 1 to 3, it is characterized in that: described master controller adopts PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420022993.8U CN203678345U (en) | 2014-01-14 | 2014-01-14 | Automatic proportioning device for mixed gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420022993.8U CN203678345U (en) | 2014-01-14 | 2014-01-14 | Automatic proportioning device for mixed gas |
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| Publication Number | Publication Date |
|---|---|
| CN203678345U true CN203678345U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420022993.8U Expired - Lifetime CN203678345U (en) | 2014-01-14 | 2014-01-14 | Automatic proportioning device for mixed gas |
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| CN (1) | CN203678345U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108219880A (en) * | 2018-01-18 | 2018-06-29 | 枣庄薛能天然气有限公司 | A kind of method that low hydrogen-carbon ratio coke-stove gas mends hydrogen methanation synthetic natural gas |
| CN109821431A (en) * | 2019-03-26 | 2019-05-31 | 海安县通用粉末冶金厂 | A kind of injection moulding nitrogen and hydrogen mixture proportioning controller |
| CN111266026A (en) * | 2020-02-11 | 2020-06-12 | 哈尔滨焊接研究院有限公司 | Automatic mixed gas proportioning device for gas shielded welding and proportioning method thereof |
-
2014
- 2014-01-14 CN CN201420022993.8U patent/CN203678345U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108219880A (en) * | 2018-01-18 | 2018-06-29 | 枣庄薛能天然气有限公司 | A kind of method that low hydrogen-carbon ratio coke-stove gas mends hydrogen methanation synthetic natural gas |
| CN109821431A (en) * | 2019-03-26 | 2019-05-31 | 海安县通用粉末冶金厂 | A kind of injection moulding nitrogen and hydrogen mixture proportioning controller |
| CN111266026A (en) * | 2020-02-11 | 2020-06-12 | 哈尔滨焊接研究院有限公司 | Automatic mixed gas proportioning device for gas shielded welding and proportioning method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |