CN203899560U - Permanent gas dew point adjusting device applied to laboratory - Google Patents
Permanent gas dew point adjusting device applied to laboratory Download PDFInfo
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- CN203899560U CN203899560U CN201420309233.5U CN201420309233U CN203899560U CN 203899560 U CN203899560 U CN 203899560U CN 201420309233 U CN201420309233 U CN 201420309233U CN 203899560 U CN203899560 U CN 203899560U
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- gas
- dew point
- laboratory
- adjusting device
- pipeline
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Abstract
The utility model discloses a permanent gas dew point adjusting device applied to a laboratory. The permanent gas dew point adjusting device applied to the laboratory is characterized by comprising a gas storage tank and a main pipeline which is connected with the gas storage tank, wherein the main pipeline is divided into two pipelines; a first pipeline is connected with a gas mixing pipe through a second gas flow adjusting valve; a second pipeline is connected with the gas mixing pipe through a humidifier and a one-way valve; the gas incoming from the two pipelines is fully mixed in the gas mixing pipe; the permanent gas dew point adjusting device applied to the laboratory also comprises a finished product gas tank which is connected with the gas mixing pipe; the finished product gas tank is directly connected to a using unit through the pipelines. The permanent gas dew point adjusting device applied to the laboratory is capable of fully automatically adjusting and controlling a ratio of wet gas to dry gas (the raw material gas) so as to obtain the gas with required dew point; moreover, the permanent gas dew point adjusting device applied to the laboratory is simple to manufacture, easy to operate and relatively wide in range of application.
Description
Technical field
The utility model relates to laboratory experiment equipment, is specifically related to a kind of use for laboratory permanent gases dew point adjusting device.
Background technology
In the production of the industries such as metallurgy, chemical industry, pharmacy, scientific research, need to there is multi-level adjusting to the dew point of permanent gases according to the condition of production, thereby find and optimize to improve and produce or the design parameter of technological innovation.
In existing technology, for the permanent gases dew point adjusting device of use for laboratory, can not well control the flow that experiment needs; And existing device precision is low, make the data precision measured low, cause thus experimental record data below inaccurate, thereby cause certain difficulty for scientific research etc.
Utility model content
For the deficiencies in the prior art, this practical object is to provide a kind of controlled, the permanent gases dew point adjusting device that precision is higher.
To achieve these goals, the utility model is achieved by the following technical solutions.
A kind of use for laboratory permanent gases dew point adjusting device, comprising:
One air accumulator,
One with the tank connected total pipeline of gas storage, described total pipeline is divided into two-way pipeline, wherein first via device for cleaning pipeline is crossed the second air volume regulating valve connection gas mixing tube, the second road device for cleaning pipeline crosses humidifier and check valve connects gas mixing tube, the gas entering from two-way pipeline fully mixes in gas mixing tube
Also comprise a finished product gas tank being connected with gas mixing tube, this finished product gas tank is directly connected to use unit by pipeline.
In a preferred embodiment of the present utility model, a pressure sensor is set on the can body of described finished product gas tank, a flowmeter is set on the escape pipe of finished product gas tank, described pressure sensor and flowmeter feed back to corresponding signal on total pipeline.
In a preferred embodiment of the present utility model, on described total pipeline, be provided with the first air volume regulating valve, described the first air volume regulating valve regulates for the total flow of the gas to device.
In a preferred embodiment of the present utility model, also comprise the heater that adjacent first air volume regulating valve arranges.
In a preferred embodiment of the present utility model, on described gas mixing tube, be also provided with dew point adjusting apparatus, for measuring in real time the on-line monitoring of the dew point of permanent gases.
In a preferred embodiment of the present utility model, described humidifier has two at least, and upper purified water inlet and the sewage draining exit of being also provided with of humidifier.
By technique scheme, the utlity model has following advantage:
A, the ratio that can automatically regulate and control moisture and dry gas (being unstripped gas) have reached the gas of required dew point.
B, equipment are simple, easy to operate, and utilization face is wider
Brief description of the drawings
Accompanying drawing 1 is this practical structure principle chart;
Accompanying drawing 2 is this practical control logic figure;
In figure, 1, air accumulator, 2, humidifier, 3, the first air volume regulating valve, 4, first-hand valve, 5, the second air volume regulating valve, 6-finished product gas tank, 7, second-hand's valve, 8, check valve, 9, gas mixing tube, 10, dew point tester, 11, pressure sensor,, 12, PLC controller, 13, flowmeter, 14, purified water inlet, 15, sewage draining exit, 16, add gas port, 17, use unit, 18, heater.
Detailed description of the invention
Below in conjunction with drawings and Examples to the innovative further detailed description of doing of the present invention.
With reference to accompanying drawing 1, a kind of use for laboratory permanent gases dew point adjusting device, comprise: one is provided with the air accumulator 1 that adds gas port 16, one total pipeline being connected with air accumulator 1, on described total pipeline, be provided with the first air volume regulating valve 3 and heater 18, heater 18 can be according to process condition deferrable load, and heating-up temperature is set; The flow signal that the pressure that the first air volume regulating valve 3 feeds back by the pressure sensor 11 of equipment rear end and flowmeter 13 feed back is used for realizing the adjusting to this device total flow, is divided into two by the pipeline after the first air volume regulating valve 3,
Article one, pipeline (tolerance adjusting pipeline) is connected to gas mixing tube 9 by 5 points of the second air volume regulating valves; Another pipeline (humidification pipeline) connects humidifier 2 by first-hand valve 4, after humidifier 2 wet air duct after treatment is by second-hand's valve 7 and check valve 8, be also connected to gas mixing tube 9, by total flow being passed through to the shunting mixing match realization again of two arms, thereby realize the adjusting of permanent different dew points.
In order better to reach humidification object, the number of described humidifier 2 is two.Wherein the water quality index in humidifier can be determined according to operation, and this humidifier is provided with purified water inlet 14 and sewage draining exit 15.The method adopting is total flow to be passed through to the shunting mixing match realization again of two arms, and gas fully mixes in mixing duct, and feeds back by the dew point analysis instrument 10 of mixing tube rear end;
The second air volume regulating valve 5 is controlled the function of the flowrate proportioning of above-mentioned two air in pipelines by the feedback signal of dew point analysis instrument 10 simultaneously, directly enters finished product gas tank 3 and is connected to use unit at the mixed finished product gas of gas mixing tube 9.
Gas mixing tube 9 is directly connected to finished product gas tank 3, after finished product gas tank 3, is directly connected to use unit by pipeline,
The dew point analysis instrument 10 of realizing dew point on-line monitoring is housed on described gas mixing tube 9, and finished product gas tank 3 is equipped with pressure sensor 11, on described finished product gas tank 3 outlet conduits, flowmeter 13 is housed, and is PLC controller 12 of this system support.
With reference to accompanying drawing 2, in actual use, also can increase PLC controller, realize automatically and controlling, the control logic of equipment: the flowmeter 13 on pressure sensor 11 and finished product gas tank 3 outlet conduits will feed back to PLC controller 12 by gas situation, PLC controller 12 is realized and is adjusted order by the first air volume regulating valve 2 by sending instruction; In the signal feedback PLC controller 12 of dew point tester 10, PLC controller 12 is realized the automatic mixing of dew point by the second air volume regulating valve 5, according to the process requirements of dew point, the load of heater can be set, and adjusts load variations according to the demand of technique.
The utility model is realized the setting of the permanent gases of full-automatic different dew points by this device, and can realize full automatic variable-flow control according to experiment situation, meets the requirement of various working condition experimentings.
Those of ordinary skill in the art, under the enlightenment of this description, in the case of not departing from the scope that the utility model claim protects, can also make a lot of simple change, and these all belong to the row of the utility model protection.
Claims (6)
1. a use for laboratory permanent gases dew point adjusting device, is characterized in that, comprising:
One air accumulator,
One with the tank connected total pipeline of gas storage, described total pipeline is divided into two-way pipeline, wherein first via device for cleaning pipeline is crossed the second air volume regulating valve connection gas mixing tube, the second road device for cleaning pipeline crosses humidifier and check valve connects gas mixing tube, the gas entering from two-way pipeline fully mixes in gas mixing tube
Also comprise a finished product gas tank being connected with gas mixing tube, this finished product gas tank is directly connected to use unit by pipeline.
2. a kind of use for laboratory permanent gases dew point adjusting device according to claim 1, it is characterized in that, one pressure sensor is set on the can body of described finished product gas tank, one flowmeter is set on the escape pipe of finished product gas tank, and described pressure sensor and flowmeter feed back to corresponding signal on total pipeline.
3. a kind of use for laboratory permanent gases dew point adjusting device according to claim 1, is characterized in that, is provided with the first air volume regulating valve on described total pipeline, and described the first air volume regulating valve regulates for the total flow of the gas to device.
4. a kind of use for laboratory permanent gases dew point adjusting device according to claim 3, is characterized in that, also comprises the heater that adjacent first air volume regulating valve arranges.
5. a kind of use for laboratory permanent gases dew point adjusting device according to claim 1, is characterized in that, is also provided with dew point adjusting apparatus on described gas mixing tube, for measuring in real time the on-line monitoring of the dew point of permanent gases.
6. a kind of use for laboratory permanent gases dew point adjusting device according to claim 1, is characterized in that, described humidifier has two at least, and upper purified water inlet and the sewage draining exit of being also provided with of humidifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309233.5U CN203899560U (en) | 2014-06-11 | 2014-06-11 | Permanent gas dew point adjusting device applied to laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309233.5U CN203899560U (en) | 2014-06-11 | 2014-06-11 | Permanent gas dew point adjusting device applied to laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203899560U true CN203899560U (en) | 2014-10-29 |
Family
ID=51773852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420309233.5U Expired - Fee Related CN203899560U (en) | 2014-06-11 | 2014-06-11 | Permanent gas dew point adjusting device applied to laboratory |
Country Status (1)
| Country | Link |
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| CN (1) | CN203899560U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105854441A (en) * | 2016-06-07 | 2016-08-17 | 安徽欣创节能环保科技股份有限公司 | Precise dew point control system and adjustment method of adsorption drier |
| CN111257596A (en) * | 2020-02-25 | 2020-06-09 | 西南交通大学 | Scanning probe microscope narrow and small experiment chamber environment atmosphere accurate control device |
-
2014
- 2014-06-11 CN CN201420309233.5U patent/CN203899560U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105854441A (en) * | 2016-06-07 | 2016-08-17 | 安徽欣创节能环保科技股份有限公司 | Precise dew point control system and adjustment method of adsorption drier |
| CN111257596A (en) * | 2020-02-25 | 2020-06-09 | 西南交通大学 | Scanning probe microscope narrow and small experiment chamber environment atmosphere accurate control device |
| CN111257596B (en) * | 2020-02-25 | 2021-09-14 | 西南交通大学 | Scanning probe microscope narrow and small experiment chamber environment atmosphere accurate control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20200611 |
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| CF01 | Termination of patent right due to non-payment of annual fee |