CN204816244U - Weigh device of many bottles of standard gas mixtures of cofabrication on line - Google Patents
Weigh device of many bottles of standard gas mixtures of cofabrication on line Download PDFInfo
- Publication number
- CN204816244U CN204816244U CN201520400927.4U CN201520400927U CN204816244U CN 204816244 U CN204816244 U CN 204816244U CN 201520400927 U CN201520400927 U CN 201520400927U CN 204816244 U CN204816244 U CN 204816244U
- Authority
- CN
- China
- Prior art keywords
- gas
- valve
- gas cylinder
- product
- product gas
- 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.)
- Active
Links
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a weigh device of many bottles of standard gas mixtures of cofabrication on line belongs to the distribution field of mist. The device is including two at least raw materials gas cylinders, electronic balance, evacuating device, unloading device, product gas busbar, on electronic balance no. 1 was placed in to the raw materials gas cylinder, raw materials gas cylinder gas outlet was in order through relief pressure valve and ball valve access product gas busbar, ball valve evacuating device, the unloading device that access was in order connected in parallel of giving vent to anger between pipeline and the product gas busbar, product gas busbar contains ten gas piping, and every gas piping passes through the needle valve and is connected with the product gas cylinder, selects arbitrary product gas cylinder to place on electronic balance no. 2, still install precision pressure gauge on the product gas busbar. Adopt device and method preparation low concentration gaseous, reduced the weighing error, improved the distribution precision, the distribution is fast, is fit for batch production, has practiced thrift the distribution cost. And the device is simple, method easy to operate.
Description
Technical field
The utility model relates to the device that a kind of on-line weighing prepares many bottles of normal mixtures simultaneously, is particularly useful for the preparation of normal mixture and fills, and belongs to the field of gas distribution of mist.
Background technology
The application of calibrating gas is increasingly extensive, and its kind and quantity constantly abundant, and are also improving constantly the quality requirement of calibrating gas.The compound method of traditional standard gas has static volumetric method and the large class of Devince By Dynamic Gas Ration Method two.Static volumetric method comprises: weight method, volumetric method and pressure ratio method.Wherein weight method is the basic skills of the preparing calibrating gas of generally acknowledging in the world, and it is the quality utilizing high accuracy balance to measure high-purity component gas and diluent gas respectively, and quantitatively mixing and prepare the method for normal mixture.
CN102500253A discloses a kind of novel standard gas device for formulating, be connected with feed control valve after package unit Raw gas cylinder is filtered, feed control valve is connected with high voltage adjusting system, high voltage adjusting system is connected with low pressure regulating system after being connected with pressure sensor one again, and low pressure regulating system is connected with control of product valve, emptying control valve, vacuum pump valve after being connected with pressure sensor two respectively; Product is placed on electronic balance, and the signal of pressure sensor one and pressure sensor two and the data of balance all access signal processing system, and synchronous signal treatment system is also connected with data handling system, emptying control valve and vavuum pump interlock respectively.This device have employed weight method distribution, and equipment is simple, easy to operate, improves operating efficiency and weighing accuracy.But said apparatus once can only fill one bottle of gas, and for the little low concentration Standard Gases of molecular weight, distribution precision can be reduced.
Summary of the invention
In view of this, the utility model provides the device that a kind of on-line weighing prepares many bottles of normal mixtures simultaneously, device and method described in the utility model is adopted to prepare light concentration gas, reduce weighing error, improve distribution precision, distribution speed is fast, is applicable to batch production, has saved distribution cost.And device is simple, method easily operates.
The purpose of this utility model is realized by following technical scheme:
On-line weighing prepares a device for many bottles of normal mixtures simultaneously, comprises at least two raw material gas cylinders, electronic balance, vacuum extractor, emptying device, gas product bus-bar; Raw material gas cylinder is placed on electronic balance I, after raw material gas cylinder gas outlet sequentially passes through pressure-reducing valve and ball valve, again by gas piping access product gas bus-bar, the pipeline between ball valve outlet pipe with gas product bus-bar accesses vacuum extractor in parallel, emptying device in turn; Described gas product bus-bar comprises ten gas pipings, and every root gas piping is connected with a product gas cylinder by a needle-valve, and the quantity of needle-valve and product gas cylinder is all equal with the quantity of gas piping, selects arbitrary product gas cylinder to be placed on electronic balance II; Gas product bus-bar is also provided with precision pressure gauge; Gas piping and raw material gas cylinder, be between gas piping and product gas cylinder and flexibly connect.
Described vacuum extractor is connected to form in turn by cap of high-vacuum baffle valve, pressure vacuum gauge and vavuum pump.
Described emptying device is made up of emptying control valve and emptying pipeline.
Preferably, described gas piping material is 1/8 inch of EP level 316L stainless steel pipeline.
Preferably, described precision pressure gauge measurement category is 0-16MPa, and accuracy class is 0.25%.
Preferably, the valve body of described cap of high-vacuum baffle valve and valve seat leak rate≤1.3 × 10
-7paLs
-1.
Preferably, described vavuum pump is dry molecular pump unit.
Operation principle
After device is connected, first pipeline is vacuumized and cleaning treatment, then carry out the preparation of calibrating gas.The step of preparing calibrating gas is specially: be first filled with component gas, weighs by electronic balance I the quality that component gas raw material gas cylinder obtains the component gas be filled with; Be filled with diluent gas again, weigh by electronic balance II the quality that product gas cylinder obtains the diluent gas be filled with; After gas filling, blowdown piping.
Beneficial effect
1) the utility model adopts the mass change situation of on-line weighing method raw materials weighing gas cylinder, and determine the gaseous mass in product gas cylinder, this device is particularly useful for the normal mixture preparing many bottles of low concentrations.For the gas of the little low concentration of molecular weight, as weigh gaseous mass be less than 2g time, such weighing error is larger, we adopt the method, as prepared 10 bottles, then weigh quality and will reach about 20g, thus reduce the uncertainty of weighing process introducing, so, both improve distribution precision, also improve distribution speed.
2) device described in the utility model avoids repeatedly flushing pipe, saves unstripped gas.
3) device described in the utility model adopts the vavuum pump of condition of high vacuum degree, repeatedly rinses and vacuumizes, effectively can prevent the impact of environmental gas through diluent gas, ensures the purity requirement of gas product.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of device described in the utility model;
In figure, 1-raw material gas cylinder, 2-1-electronic balance I, 2-2-electronic balance II, 3-pressure-reducing valve, 4-ball valve, 5-cap of high-vacuum baffle valve, 6-pressure vacuum gauge, 7-vavuum pump, 8-emptying control valve, 9-emptying pipeline, 10-precision pressure gauge, 11-gas product bus-bar, 12-needle-valve, 13-product gas cylinder.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments in detail the utility model is described in detail, but is not limited thereto.
Embodiment 1
As shown in Figure 1, a kind of on-line weighing prepares the device of many bottles of normal mixtures simultaneously, and described device comprises at least two raw material gas cylinders 1, electronic balance, vacuum extractor, emptying device, gas product bus-bar 11; Raw material gas cylinder 1 is placed on electronic balance I2-1, after raw material gas cylinder 1 gas outlet sequentially passes through pressure-reducing valve 3 and ball valve 4, again by gas piping access product gas bus-bar 11, ball valve 4 outlet pipe accesses vacuum extractor in parallel and emptying device in turn with the pipeline between gas product bus-bar 11; Described gas product bus-bar 11 comprises ten gas pipings, every root gas piping is connected with a product gas cylinder 13 by a needle-valve 12, the quantity of needle-valve 12 and product gas cylinder 13 is all equal with the quantity of gas piping, selects arbitrary product gas cylinder 13 to be placed on electronic balance II2-2; Gas product bus-bar 11 is also provided with precision pressure gauge 10; Gas piping and raw material gas cylinder 1, be between gas piping and product gas cylinder 13 and flexibly connect.
Described vacuum extractor is connected to form in turn by cap of high-vacuum baffle valve 5, pressure vacuum gauge 6 and vavuum pump 7.
Described emptying device is made up of emptying control valve 8 and emptying pipeline 9.
Preferably, described gas piping material is 1/8 inch of EP level 316L stainless steel pipeline.
Preferably, described precision pressure gauge 10 measurement category is 0-16MPa, and accuracy class is 0.25%.
Preferably, the valve body of described cap of high-vacuum baffle valve 5 and valve seat leak rate≤1.3 × 10
-7paLs
-1.
Preferably, described vavuum pump 7 is dry molecular pump unit.
The utility model all adopts the 316L stainless steel pipeline of inside and outside polishing, and valve and accessory thereof also adopt 316L polishing stainless steel material, ensure that the purity requirements of air distribution system.
According to kind and the content of required configuration standard gas, calculate the quality of component gas and diluent gas, filling sequentially of each component gas of appropriate design.Select suitable gas cylinder, and carry out cleaning, the displacement of the pretreatment such as dry, heating vacuumizes and component gas, the further process of operation such as to vacuumize, minimum to guarantee the impact of gas cylinder on product.
The general operation flow process of this device is:
1, connecting line: by ten pretreated product gas cylinders 13 respectively access product gas bus-bar 11, select one of them favorably situated gas cylinder to be placed on electronic balance II2-2; Be placed on electronic balance I2-1 by required raw material gas cylinder 1 (component gas raw material gas cylinder), raw material gas cylinder 1 gas outlet is connected to air inlet pipeline by pressure-reducing valve 3 and ball valve 4.
2, pipeline vacuumizes: close needle-valve 12, pressure-reducing valve 3 and emptying control valve 8, open ball valve 4 and cap of high-vacuum baffle valve 5, open vavuum pump 7 simultaneously, pipe-line system is vacuumized, when pressure vacuum gauge 6 indicating value reaches below 5Pa, close vavuum pump 7, close cap of high-vacuum baffle valve 5.
3, detergent line: slowly open pressure-reducing valve 3, ball valve 4, cap of high-vacuum baffle valve 5, emptying control valve 8 and needle-valve 12 are in closed condition.According to the calibrating gas of required preparation, be filled with component raw material gas, when observing Pressure gauge 10 registration to 0.5MPa, close unstripped gas cylinder valve, pressure-reducing valve 3, open cap of high-vacuum baffle valve 5, adopt the method for above-mentioned steps 2 to vacuumize.Repeat the step 3 time of this detergent line.
4, calibrating gas preparation:
1) be filled with component gas: from pipeline, unload component gas raw material gas cylinder 1, weigh the quality of component gas raw material gas cylinder 1, and the reading of recorded electronic balance I; Component gas raw material gas cylinder 1 is accessed pipeline again; Open pressure-reducing valve 3, ball valve 4, needle-valve 12 and product gas cylinder 13 cylinder valve, close cap of high-vacuum baffle valve 5 and emptying control valve 8.According to the calibrating gas that will prepare, be filled with component raw material gas, observe the reading of electronic balance I2-1, when numerical value arrive required for quality time, close cylinder valve and the needle-valve 12 of raw material gas cylinder 1, system stability 1min, pulls down component gas raw material gas cylinder 1 from pipeline, weighs the quality of component gas raw material gas cylinder 1.According to required component gas quality, select whether to continue to be filled with component gas.After component gas fills, close pressure-reducing valve 3 and ball valve 4.
2) be filled with diluent gas: after component gas fills, component gas raw material gas cylinder is replaced with carrier gas raw material gas cylinder.Before being filled with diluent gas, first the product gas cylinder be placed on electronic balance II2-2 being pulled down from pipeline and use electronic balance II2-2 to weigh, recording balance reading.Then this product gas cylinder is accessed in original pipeline again, according to step 1) method continue to be filled with diluent gas, finally observe the reading of electronic balance II2-2, when reaching required quality, close the cylinder valve of needle-valve 12 and raw material gas cylinder 1, system stability 1min, pulls down the product gas cylinder be placed on electronic balance II2-2 from pipeline, weighs the quality of product gas cylinder.Select whether to continue to be filled with diluent gas according to the amount of required diluent gas.After carrier gas fills, close the cylinder valve of the cylinder valve of raw material gas cylinder 1, needle-valve 12 and product gas cylinder 13, complete distribution process.
In insufflation gas process, the reading of electronic balance can be subject to the impact of the pipeline be connected with gas cylinder, therefore may produce error, therefore, before inflation and after inflation, is pulled down by gas cylinder and weighs, can reduce error from pipeline.
5, blowdown piping: open emptying control valve 8, discharges residual gas in this device.
The utility model includes but not limited to above embodiment, and every any equivalent replacement of carrying out under the principle of the utility model spirit or local improvement, all will be considered as within protection domain of the present utility model.
Claims (7)
1. on-line weighing prepares a device for many bottles of normal mixtures simultaneously, it is characterized in that, described device comprises at least two raw material gas cylinders (1), electronic balance, vacuum extractor, emptying device, gas product bus-bar (11); Raw material gas cylinder (1) is placed on electronic balance I (2-1), after raw material gas cylinder (1) gas outlet sequentially passes through pressure-reducing valve (3) and ball valve (4), again by gas piping access product gas bus-bar (11), the pipeline between ball valve (4) outlet pipe with gas product bus-bar (11) accesses vacuum extractor in parallel and emptying device in turn; Described gas product bus-bar (11) comprises ten gas pipings, every root gas piping is connected with a product gas cylinder (13) by a needle-valve (12), the quantity of needle-valve (12) and product gas cylinder (13) is all equal with the quantity of gas piping, selects arbitrary product gas cylinder (13) to be placed on electronic balance II (2-2); Gas product bus-bar (11) is also provided with precision pressure gauge (10); Gas piping is connected to be with the pipeline between raw material gas cylinder (1) and product gas cylinder (13) and flexibly connects.
2. a kind of on-line weighing according to claim 1 prepares the device of many bottles of normal mixtures simultaneously, it is characterized in that, described vacuum extractor is connected to form in turn by cap of high-vacuum baffle valve (5), pressure vacuum gauge (6) and vavuum pump (7).
3. a kind of on-line weighing according to claim 1 prepares the device of many bottles of normal mixtures simultaneously, it is characterized in that, described emptying device is made up of emptying control valve (8) and emptying pipeline (9).
4. a kind of on-line weighing according to claim 1 prepares the device of many bottles of normal mixtures simultaneously, it is characterized in that, described gas piping material is 1/8 inch of EP level 316L stainless steel pipeline.
5. a kind of on-line weighing according to claim 1 prepares the device of many bottles of normal mixtures simultaneously, it is characterized in that, described precision pressure gauge (10) measurement category is 0-16MPa, and accuracy class is 0.25%.
6. a kind of on-line weighing according to claim 2 prepares the device of many bottles of normal mixtures simultaneously, it is characterized in that, the valve body of described cap of high-vacuum baffle valve (5) and valve seat leak rate≤1.3 × 10
-7paLs
-1.
7. a kind of on-line weighing according to claim 1 prepares the device of many bottles of normal mixtures simultaneously, it is characterized in that, described vavuum pump (7) is dry molecular pump unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520400927.4U CN204816244U (en) | 2015-06-11 | 2015-06-11 | Weigh device of many bottles of standard gas mixtures of cofabrication on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520400927.4U CN204816244U (en) | 2015-06-11 | 2015-06-11 | Weigh device of many bottles of standard gas mixtures of cofabrication on line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204816244U true CN204816244U (en) | 2015-12-02 |
Family
ID=54673887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520400927.4U Active CN204816244U (en) | 2015-06-11 | 2015-06-11 | Weigh device of many bottles of standard gas mixtures of cofabrication on line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204816244U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226149A (en) * | 2016-08-02 | 2016-12-14 | 上海神开气体技术有限公司 | A kind of preparation method of nitrogenous mixed active calibrating gas |
| CN107790000A (en) * | 2017-09-13 | 2018-03-13 | 清远先导材料有限公司 | The air distributing device and method of special gas |
| CN107789999A (en) * | 2016-08-30 | 2018-03-13 | 中国石油天然气股份有限公司 | Device and method for preparing multi-bottle mixed standard gas |
| CN108176324A (en) * | 2017-12-29 | 2018-06-19 | 和立气体（上海）有限公司 | A kind of automated gas divider of hydrogen and phosphine |
| CN109268679A (en) * | 2018-09-25 | 2019-01-25 | 中国电力科学研究院有限公司 | Weight method filling device for Mixed gas insulation high-voltage electrical equipment |
| CN110007013A (en) * | 2019-02-01 | 2019-07-12 | 中国石油天然气集团公司 | A kind of gas pipeline gas component real-time analyzer and real-time analysis method |
| CN110173623A (en) * | 2019-06-11 | 2019-08-27 | 北京金讯电子有限公司 | Calibrating gas panel sub-assembling platform |
| CN111649227A (en) * | 2020-06-16 | 2020-09-11 | 大连三木气体有限公司 | Steel cylinder charging system and method for mixed gas |
| CN112007529A (en) * | 2020-07-20 | 2020-12-01 | 上海伟创标准气体分析技术有限公司 | Standard mixed gas preparation device |
| CN117386994A (en) * | 2023-12-13 | 2024-01-12 | 抚顺抚运安仪救生装备有限公司 | Mixed gas distribution method of premixed gas cylinder of deep diving breathing apparatus |
| CN117404595A (en) * | 2023-12-13 | 2024-01-16 | 抚顺抚运安仪救生装备有限公司 | Gas filling and distributing system of deep diving respirator gas cylinder |
-
2015
- 2015-06-11 CN CN201520400927.4U patent/CN204816244U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226149A (en) * | 2016-08-02 | 2016-12-14 | 上海神开气体技术有限公司 | A kind of preparation method of nitrogenous mixed active calibrating gas |
| CN107789999A (en) * | 2016-08-30 | 2018-03-13 | 中国石油天然气股份有限公司 | Device and method for preparing multi-bottle mixed standard gas |
| CN107790000A (en) * | 2017-09-13 | 2018-03-13 | 清远先导材料有限公司 | The air distributing device and method of special gas |
| CN108176324A (en) * | 2017-12-29 | 2018-06-19 | 和立气体（上海）有限公司 | A kind of automated gas divider of hydrogen and phosphine |
| CN109268679A (en) * | 2018-09-25 | 2019-01-25 | 中国电力科学研究院有限公司 | Weight method filling device for Mixed gas insulation high-voltage electrical equipment |
| CN110007013A (en) * | 2019-02-01 | 2019-07-12 | 中国石油天然气集团公司 | A kind of gas pipeline gas component real-time analyzer and real-time analysis method |
| CN110173623A (en) * | 2019-06-11 | 2019-08-27 | 北京金讯电子有限公司 | Calibrating gas panel sub-assembling platform |
| CN110173623B (en) * | 2019-06-11 | 2024-02-13 | 北京金讯电子有限公司 | Standard gas split charging table |
| CN111649227A (en) * | 2020-06-16 | 2020-09-11 | 大连三木气体有限公司 | Steel cylinder charging system and method for mixed gas |
| CN112007529A (en) * | 2020-07-20 | 2020-12-01 | 上海伟创标准气体分析技术有限公司 | Standard mixed gas preparation device |
| CN117386994A (en) * | 2023-12-13 | 2024-01-12 | 抚顺抚运安仪救生装备有限公司 | Mixed gas distribution method of premixed gas cylinder of deep diving breathing apparatus |
| CN117404595A (en) * | 2023-12-13 | 2024-01-16 | 抚顺抚运安仪救生装备有限公司 | Gas filling and distributing system of deep diving respirator gas cylinder |
| CN117386994B (en) * | 2023-12-13 | 2024-03-12 | 抚顺抚运安仪救生装备有限公司 | Mixed gas distribution method of premixed gas cylinder of deep diving breathing apparatus |
| CN117404595B (en) * | 2023-12-13 | 2024-04-09 | 抚顺抚运安仪救生装备有限公司 | Gas filling and distributing system of deep diving respirator gas cylinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204816244U (en) | Weigh device of many bottles of standard gas mixtures of cofabrication on line | |
| CN104888635A (en) | Device and method for compounding multiple cylinders of mixed gas | |
| CN107597016B (en) | High-precision standard gas dynamic mixing system and proportioning precision control method | |
| CN107694359B (en) | Preparation device and preparation method of hydrogen deuterium standard gas | |
| CN105675732B (en) | Transformer online gc calibration equipment and method | |
| CN104959049A (en) | Ultra-pure mixed gas preparation system and method | |
| CN102818114B (en) | Use the equipment of the encapsulation NO of mass flowmenter | |
| CN102213510B (en) | Weighing type fully-automatic charger of refrigerant | |
| CN203139972U (en) | Standard mixed gas preparation apparatus | |
| CN201368838Y (en) | Gas collecting and metering system | |
| CN208566179U (en) | More bottles of charging devices of Standard Gases | |
| CN111595408B (en) | Equipment for measuring liquid level in constant-temperature closed container, film coating device and method for measuring liquid level | |
| CN102580590A (en) | Micro transfer system for producing gas standard materials and micro transfer method | |
| CN208687354U (en) | A kind of subpackage apparatus of high-purity special gas | |
| CN209438395U (en) | Perfluor five-carbon ketone mixes with air the device for formulating of gas | |
| CN207066556U (en) | Low temperature mass flowmenter performance testing device | |
| CN202040536U (en) | High-precision filling system for trace filling of working media | |
| CN108204521A (en) | High-purity rare gas gas cylinder pretreatment system and preprocess method | |
| CN207385222U (en) | A kind of preparation facilities of hydrogen deuterium Standard Gases | |
| CN207694653U (en) | The moisture-proof liquid process units of water repellent | |
| CN202628545U (en) | Closed pipeline device for pump testing system | |
| CN108444858A (en) | Dynamic and static double mode gravimetric method vapor sorption instrument | |
| CN112614549B (en) | Method for controlling yeast amount in beer fermentation | |
| CN210846259U (en) | Online blending device | |
| CN208607105U (en) | Dynamic and static double mode gravimetric method vapor sorption instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190618 Address after: 057550 No. 1 Weiwu Road, Chemical Industry Agglomeration Area, Feixiang County, Handan City, Hebei Province Patentee after: CSIC (Handan) Perry Special Gas Co. Ltd Address before: 056027 17 Exhibition Road, Handan, Hebei Patentee before: No.718 Inst., China Shipping Heavy Industry Group Co. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 057550 No. five Weir Road, chemical industry gathering area, Feixiang District, Handan, Hebei, 1 Patentee after: China shipbuilding (Handan) Perry Special Gas Co.,Ltd. Address before: No.1 Weiwu Road, chemical industry gathering area, Feixiang County, Handan City, Hebei Province Patentee before: PERIC SPECIAL GASES Co.,Ltd. |
|
| CP03 | Change of name, title or address |