CN203829931U - Standard gas preparation device - Google Patents
Standard gas preparation device Download PDFInfo
- Publication number
- CN203829931U CN203829931U CN201420070978.0U CN201420070978U CN203829931U CN 203829931 U CN203829931 U CN 203829931U CN 201420070978 U CN201420070978 U CN 201420070978U CN 203829931 U CN203829931 U CN 203829931U
- Authority
- CN
- China
- Prior art keywords
- cross valve
- panel
- pipeline
- valves
- cross
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 210000005239 tubule Anatomy 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004166 bioassay Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model discloses a standard gas preparation device, which is mainly composed of multiple four-way valves, multiple switch valves, an electric controller, a vacuum pump, a pressure meter, a panel and pipelines, wherein the four-way valves form a U-shaped serial structure through the pipelines; the four-way valves 4, 5 and 6 are in serial connection with the switch valves and the pressure meter through the pipelines; the four-way valve 7 is connected with the pressure meter through a pipeline; the four-way valve 5 is connected with the vacuum pump through a pipeline; the four-way valve 6 is connected with an emptying pump; three four-way valves are arranged at each of two sides of the panel and are connected with a product bottle and a raw material gas bottle respectively; the electric controller is connected with the four-way valves; the device is fixed on the panel and the electric controller is arranged in the panel. According to the standard gas preparation device, the ppm content control of the prepared product can be realized; the product can completely meet gas usage requirement in special fields; the preparation accuracy is high; the industrial control is accurate and the preparation operation is convenient to control.
Description
Technical field
The utility model relates to a kind of calibrating gas device for making.
Background technology
Calibrating gas (Standardgases gas industry noun), calibrating gas belongs to standard substance.Standard substance is highly uniform, good stable and value bioassay standard accurately, they have reproduction, preserve and transmit the basic role of value, at physics, chemistry, in biological and engineering survey field for calibration measurement instrumentation and testing process, evaluate the degree of accuracy of measuring method and the detectability of testing laboratory, determine the characteristic value of material or product, carry out value arbitration etc.The preparation method of calibrating gas is mainly gravimetric method and point platen press, and these two kinds of methods all need a set of complete air distributing device to realize.
There are a lot of problems in existing calibrating gas preparation facilities, cause calibrating gas product quality to be difficult to control in actual production.
Summary of the invention
The purpose of this utility model is to provide a kind of calibrating gas device for making, has controlled multicomponent gas preparation accurately, reliably, evenly, allows product be easy to reach ppm component standard substance.
The technical solution of the utility model is: calibrating gas device for making is mainly by multiple cross valves, multiple switch valves, electric controller, vavuum pump, Pressure gauge, panel and pipeline composition, multiple cross valves become U-shaped cascaded structure by pipeline, the first cross valve, the second cross valve, the 3rd cross valve is connected with switch valve and Pressure gauge by pipeline, the 4th cross valve is connected with Pressure gauge by pipeline, the second cross valve is connected with vavuum pump by pipeline, the 3rd cross valve is connected with blow-down pipe, each three cross valves in panel both sides, connect respectively product bottle and raw material gas cylinder, electric controller connects cross valve, this device is fixed on panel, electric controller is built on panel.
Standard substance device for making of the present utility model has carried out new setting and the connection of each parts, hydrogen in one bottle of 40L nitrogen of verification experimental verification preparation, be difficult to reach ppm level with former equipment, and this device can reach the control of product ppm content, product can meet special dimension gas completely, precision preparation is high, and Industry Control is accurate, and formulation operations is convenient to control.
Brief description of the drawings
In figure: 1-10-cross valve, 11,12,13-switch valve, 14-blow-down pipe, 15-electric controller, 16-vavuum pump, 17-Pressure gauge, 18-panel.
Detailed description of the invention
This device is mainly made up of ten cross valve 1-10, three switch valve 11-13, electric controller 15, vavuum pump 16, four precision pressure gauges 17 and (gas circuit) pipeline, panel.Ten cross valves become U-shaped cascaded structure by pipeline, logical paging centers the first cross valve 4, the second cross valve 5, the 3rd cross valve 6 are connected with switch valve and Pressure gauge by pipeline, the 4th cross valve 7 is connected with Pressure gauge by pipeline, the first cross valve 5 is connected with vavuum pump 16 by pipeline, the second cross valve 6 is connected with blow-down pipe 14, electric controller 15 connects a cross valve and controls, each three cross valves in panel both sides, be used for connecting product bottle and raw material gas cylinder, this device is fixed on panel, and electric controller is built on panel.Cross valve 1,2,8,9,10 connects raw material gas cylinder, and the 5th cross valve 3 connects product bottle, for weighing distribution; The second cross valve 5, as evacuation valve (connection vavuum pump), is convenient to operation in the time of needs evacuation; The 3rd cross valve 6 is as atmospheric valve, leads to roof eminence emptying with flexible pipe, guarantees the security of distribution process; The first cross valve 4 is as 1,2,3 left-half pipe-line control valves, and the 4th cross valve 7 is as cross valve 8,9,10 right half part control valves.
Four be respectively-0.1～0MPa of Pressure gauge, 0～1MPa, 0～4MPa, 0～16MPa, first cross valve 4 Bonding pressure table-0.1～0MPa, second cross valve 5 Bonding pressure table 0～1MPa, the 3rd cross valve 6 Bonding pressure table 0～4MPa, the 4th cross valve 7 Bonding pressure table 0～16MPa.
Cross valve is three to enter one and go out four way valve, and pipeline is 1/4 stainless steel pipes made in Great Britain and stainless steel soft pipe clamp, and the external tubule that wherein the 5th cross valve 3 is controlled, for made in Great Britain 1/8, has reduced volume, also reduces the error that in the weighing process of knowing clearly, pipe inner volume causes.Panel is all steel panel.
Claims (3)
1. a calibrating gas device for making, it is characterized in that calibrating gas device for making is mainly by multiple cross valves, multiple switch valves, electric controller, vavuum pump, Pressure gauge, panel and pipeline composition, multiple cross valves become U-shaped cascaded structure by pipeline, the first cross valve (4), the second cross valve (5), the 3rd cross valve (6) is connected with switch valve and Pressure gauge by pipeline, the 4th cross valve (7) is connected with Pressure gauge by pipeline, the second cross valve (5) is connected with vavuum pump by pipeline, the 3rd cross valve (6) is connected with blow-down pipe, each three cross valves in panel both sides, connect respectively product bottle and raw material gas cylinder, electric controller connects cross valve, this device is fixed on panel, electric controller is built on panel.
2. calibrating gas device for making according to claim 1, it is characterized in that described Pressure gauge is four, be respectively-0.1～0MPa of Pressure gauge, 0～1MPa, 0～4MPa, 0～16MPa, the first cross valve (4) Bonding pressure table-0.1～0MPa, the second cross valve (5) Bonding pressure table 0～1MPa, the 3rd cross valve (6) Bonding pressure table 0～4MPa, the 4th cross valve (7) Bonding pressure table 0～16MPa.
3. calibrating gas device for making according to claim 1, is characterized in that the external tubule that the 5th cross valve (3) is controlled is English system 1/8, and remaining pipes is 1/4 stainless steel pipes made in Great Britain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420070978.0U CN203829931U (en) | 2014-02-19 | 2014-02-19 | Standard gas preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420070978.0U CN203829931U (en) | 2014-02-19 | 2014-02-19 | Standard gas preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203829931U true CN203829931U (en) | 2014-09-17 |
Family
ID=51507825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420070978.0U Expired - Lifetime CN203829931U (en) | 2014-02-19 | 2014-02-19 | Standard gas preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203829931U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107694359A (en) * | 2017-10-25 | 2018-02-16 | 中国原子能科学研究院 | A kind of preparation facilities and preparation method of hydrogen deuterium Standard Gases |
| CN114397354A (en) * | 2021-12-31 | 2022-04-26 | 四川红华实业有限公司 | Device and method for separating standard substance of gas uranium isotope abundance |
-
2014
- 2014-02-19 CN CN201420070978.0U patent/CN203829931U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107694359A (en) * | 2017-10-25 | 2018-02-16 | 中国原子能科学研究院 | A kind of preparation facilities and preparation method of hydrogen deuterium Standard Gases |
| CN114397354A (en) * | 2021-12-31 | 2022-04-26 | 四川红华实业有限公司 | Device and method for separating standard substance of gas uranium isotope abundance |
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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: 20140917 |