CN110596285A - High-flux positive-pressure gas distribution device - Google Patents
High-flux positive-pressure gas distribution device Download PDFInfo
- Publication number
- CN110596285A CN110596285A CN201910805810.7A CN201910805810A CN110596285A CN 110596285 A CN110596285 A CN 110596285A CN 201910805810 A CN201910805810 A CN 201910805810A CN 110596285 A CN110596285 A CN 110596285A
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- fixed
- gas distribution
- gas
- distribution plate
- base
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- 230000007246 mechanism Effects 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000010828 elution Methods 0.000 abstract description 6
- 238000002414 normal-phase solid-phase extraction Methods 0.000 abstract description 5
- 230000004907 flux Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 5
- 229920001821 foam rubber Polymers 0.000 description 4
- 210000003437 trachea Anatomy 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000010339 medical test Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
- G01N2030/062—Preparation extracting sample from raw material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
- G01N2030/324—Control of physical parameters of the fluid carrier of pressure or speed speed, flow rate
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a high-flux positive pressure gas distribution device, which comprises a base, a fixed rod, a gas distribution plate and a fixed panel, wherein the fixed rod is arranged on the base; the fixed rod is provided with two, and two fixed rods are fixed the setting respectively on the base, gas distribution plate passes through fastening device fixed connection on fixed panel, the last fixed orifices of having seted up of fixed panel, two have been seted up to the fixed orifices, fixed panel passes through the fixed orifices and fixes the setting on the fixed rod, the fixed objective table that is provided with on the base, the gas distribution plate top is provided with gas inlet. The gas distribution plate is arranged below the gas inlet, the gas distribution plate has uniform pore distribution and good air permeability, can effectively ensure the uniform and stable air inlet of the SPE plate under high flux, ensures the uniformity of elution of a detected object, improves the recovery rate of each batch, and is durable; set up the objective table on the base simultaneously and can improve the stability of SPE board when carrying out solid phase extraction.
Description
Technical Field
The invention relates to the field of solid phase extraction equipment, in particular to a high-flux positive pressure gas distribution device.
Background
The positive pressure gas distribution device is widely applied to the sample pretreatment of solid phase extraction in medicine and agricultural detection, is a key component for realizing uniform gas distribution, and directly influences the separation effect of a detected object if the gas distribution is uniform. The SPE device widely used at present usually adopts a bottom negative pressure air extraction mode, and the SPE device has the following defects that firstly, the uniformity of air pressure cannot be ensured; secondly, the inconvenience of collecting the detection objects at the bottom is easily caused, and the incomplete collection of the detection objects is easily caused by the leakage of individual pipelines; third, high throughput operation cannot be achieved, especially in the face of medical testing of large samples.
Disclosure of Invention
The invention aims to provide a high-flux positive-pressure gas distribution device which can effectively solve the problem of uneven air pressure caused by negative-pressure air extraction at the bottom.
In order to solve the technical problems, the invention adopts the following technical scheme:
a high-flux positive pressure gas distribution device comprises a base, a fixed rod, a gas distribution plate and a fixed panel; the fixed rod is provided with two, and two fixed rods are fixed the setting respectively on the base, gas distribution plate passes through fastening device fixed connection on fixed panel, the last fixed orifices of having seted up of fixed panel, two have been seted up to the fixed orifices, fixed panel passes through the fixed orifices and fixes the setting on the fixed rod, the fixed objective table that is provided with on the base, the gas distribution plate top is provided with gas inlet.
Further, a porous sponge cushion is arranged below the gas distribution plate, and the gas distribution plate and the porous sponge cushion are tightly connected and fixedly arranged on the fixed panel through a fastening mechanism.
Preferably, the porous spongy cushion is of a rectangular structure, holes are formed in the porous spongy cushion, the size of the hole diameter is set to be 3mm, and the distance between the holes is set to be 9 mm.
Furthermore, a positioning mechanism is arranged on the fixing rod and is connected to the fixing rod in a sliding mode, and a locking block is arranged on the positioning mechanism.
Further, a gas regulating valve is fixedly arranged on one side of the base, a float flowmeter is fixedly arranged on the other side of the base, the gas regulating valve is communicated with the gas generating device through a gas pipe, the gas regulating valve is communicated with the float flowmeter through a gas pipe, and the float flowmeter is communicated with the gas inlet through a gas pipe.
Compared with the prior art, the invention has the following beneficial effects:
the gas distribution plate is arranged below the gas inlet, the gas distribution plate has uniform pore distribution and good air permeability, can effectively ensure the uniform and stable air inlet of the SPE plate under high flux, ensures the uniformity of elution of a detected object, improves the recovery rate of each batch, and is durable; set up the objective table on the base simultaneously and can improve the stability of SPE board when carrying out solid phase extraction.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a gas distribution plate according to the present invention;
FIG. 3 is a schematic structural view of a base in the present invention;
fig. 4 is a schematic cross-sectional view of a fixing panel according to the present invention.
In the figure: 1-a gas distribution plate, 2-a porous spongy cushion, 3-a fixed panel, 4-a fastening mechanism, 5-a fixed hole, 6-a gas regulating valve, 7-a float flowmeter, 8-a fixed rod, 9-an objective table, 10-a base, 11-a gas inlet and 12-a positioning mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A high-flux positive pressure gas distribution device comprises a base 10, a fixed rod 8, a gas distribution plate 1 and a fixed panel 3; the fixing rods 8 are provided with two fixing rods which are respectively fixedly arranged on the base 10, the base 10 is made of 304 stainless steel materials and is of a square structure, the gas distribution plate 1 is fixedly connected on the fixing panel 3 through the fastening mechanism 4, the gas distribution plate 1 is made of 316L metal powder sintering materials, the aperture is set to be 0.45 mu m, the fastening mechanism 4 can adopt a screw structure to fixedly arrange the gas distribution plate 1 on the fixing panel 3, the fixing panel 3 is provided with two fixing holes 5, the fixing panel 3 is fixedly arranged on the fixing rods 8 through the fixing holes 5, the aperture size of the fixing holes 5 is slightly larger than that of the fixing rods 8, so that the fixing panel 3 can smoothly slide on the fixing rods 8, the base 10 is fixedly provided with the objective table 9 which can more stably support the SPE plate, gas distribution plate 1 top is provided with gas inlet 11, and gas generating device or gas holder pass through the PU trachea and connect on gas inlet 11, and gaseous evenly distributed can be realized through gas inlet 11 then through gas distribution plate 1 to gaseous, and the uniformity of SPE board's air inlet is even stable under can effectively guaranteeing the high flux, guarantees the homogeneity of test object elution, improves every batch of rate of recovery to durable.
Example 2
On the basis of embodiment 1, gas distribution plate 1 below is provided with porous foam-rubber cushion 2, gas distribution plate 1 and porous foam-rubber cushion 2 zonulae occludens pass through the fix with screw setting and set up on fixed panel 3, and the porous foam-rubber cushion 2 of setting can further improve gaseous homogeneity, can effectively guarantee under the high flux that the gas of SPE board is even stable, guarantees the homogeneity of the elution of testing article.
Example 3
On the basis of the embodiment 1-2, the porous sponge cushion 2 is set to be in a rectangular structure, the number of the holes of the porous sponge cushion 2 is set to be 12 x 8, 96 holes are formed in the porous sponge cushion, the hole diameter is set to be 3mm, the hole distance is set to be 9mm, the arrangement of the specification can further meet the air intake operation requirement during solid-phase extraction, and the stability and uniformity of air intake are ensured.
Example 4
On the basis of embodiment 1-3, be provided with positioning mechanism 12 on the dead lever 8, positioning mechanism 12 sliding connection is on dead lever 8, be provided with the latch segment on the positioning mechanism 12, the latch segment can adopt nut connection structure, and the SPE board is placed back on objective table 9, adjusts fixed panel 3's position through the position of adjusting positioning mechanism 12 for SPE board and porous foam-rubber cushion 2's sealing connection increases the stability and the gas tightness of admitting air, further ensures the homogeneity of test object elution, and fixed panel 3 position is adjustable simultaneously, makes things convenient for the bottom to collect the test object, convenient to detach washs and maintains.
Example 5
On embodiment 1-4 basis, the fixed gas control valve 6 that is provided with in one side on the base 10, the fixed float flowmeter 7 that is provided with of opposite side, gas control valve 6 is linked together through trachea and gas generating device, gas control valve 6 is linked together through the trachea with float flowmeter 7, float flowmeter 7 is linked together through trachea and gas inlet 11, and gas generating device can adopt the air pump or adopt the gas holder air feed, and gas control valve 6 and float flowmeter 7 of setting can adjust air input and admission speed, carry out real-time supervision simultaneously, further adjust the air input according to needs at every turn to ensure the homogeneity of testing thing elution, improve the application range of device.
Reference throughout this specification to embodiments means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (5)
1. A high-flux positive pressure gas distribution device is characterized in that: comprises a base (10), a fixed rod (8), a gas distribution plate (1) and a fixed panel (3); the fixing rod (8) is provided with two, two fixing rods (8) are respectively and fixedly arranged on the base (10), the gas distribution plate (1) is fixedly connected to the fixing panel (3) through the fastening mechanism (4), the fixing holes (5) are formed in the fixing panel (3), the fixing holes (5) are formed in the fixing panel (5), the fixing panel (3) is fixedly arranged on the fixing rods (8) through the fixing holes (5), the objective table (9) is fixedly arranged on the base (10), and a gas inlet (11) is formed in the upper portion of the gas distribution plate (1).
2. A high throughput positive pressure gas distribution apparatus according to claim 1, wherein: the air distribution plate is characterized in that a porous sponge cushion (2) is arranged below the air distribution plate (1), and the air distribution plate (1) and the porous sponge cushion (2) are tightly connected and fixedly arranged on a fixed panel (3) through a fastening mechanism (4).
3. A high throughput positive pressure gas distribution apparatus according to claim 2, wherein: the porous sponge cushion (2) is of a rectangular structure, holes are formed in the porous sponge cushion, the aperture size is set to be 3mm, and the hole spacing is set to be 9 mm.
4. A high throughput positive pressure gas distribution apparatus according to claim 1, wherein: the fixing rod (8) is provided with a positioning mechanism (12), the positioning mechanism (12) is connected to the fixing rod (8) in a sliding mode, and the positioning mechanism (12) is provided with a locking block.
5. A high throughput positive pressure gas distribution apparatus according to claim 1, wherein: the gas generator is characterized in that a gas regulating valve (6) is fixedly arranged on one side of the base (10), a float flowmeter (7) is fixedly arranged on the other side of the base, the gas regulating valve (6) is communicated with a gas generating device through a gas pipe, the gas regulating valve (6) is communicated with the float flowmeter (7) through a gas pipe, and the float flowmeter (7) is communicated with a gas inlet (11) through a gas pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910805810.7A CN110596285A (en) | 2019-08-29 | 2019-08-29 | High-flux positive-pressure gas distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910805810.7A CN110596285A (en) | 2019-08-29 | 2019-08-29 | High-flux positive-pressure gas distribution device |
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| Publication Number | Publication Date |
|---|---|
| CN110596285A true CN110596285A (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910805810.7A Pending CN110596285A (en) | 2019-08-29 | 2019-08-29 | High-flux positive-pressure gas distribution device |
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| CN (1) | CN110596285A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6379905A (en) * | 1986-09-25 | 1988-04-09 | Nkk Corp | Method for charging raw material into blast furnace |
| CN201454152U (en) * | 2009-07-07 | 2010-05-12 | 上海新拓分析仪器科技有限公司 | A positive pressure solid phase extraction device |
| CN201744196U (en) * | 2010-05-28 | 2011-02-16 | 陈小波 | Positive pressure type solid phase extracting device |
| CN203577629U (en) * | 2013-11-28 | 2014-05-07 | 北京建筑大学 | Malodorous gas treatment device for municipal solid waste treatment plant |
| CN203625146U (en) * | 2013-10-23 | 2014-06-04 | 麻益民 | Microporous aeration pipe used for microporous aeration device |
| CN204910865U (en) * | 2015-08-10 | 2015-12-30 | 宁波检验检疫科学技术研究院 | Novel solid -phase extraction system |
| CN207614406U (en) * | 2017-11-21 | 2018-07-17 | 中国烟草总公司郑州烟草研究院 | A kind of high throughput positive-pressure solid-phase extracting device |
-
2019
- 2019-08-29 CN CN201910805810.7A patent/CN110596285A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6379905A (en) * | 1986-09-25 | 1988-04-09 | Nkk Corp | Method for charging raw material into blast furnace |
| CN201454152U (en) * | 2009-07-07 | 2010-05-12 | 上海新拓分析仪器科技有限公司 | A positive pressure solid phase extraction device |
| CN201744196U (en) * | 2010-05-28 | 2011-02-16 | 陈小波 | Positive pressure type solid phase extracting device |
| CN203625146U (en) * | 2013-10-23 | 2014-06-04 | 麻益民 | Microporous aeration pipe used for microporous aeration device |
| CN203577629U (en) * | 2013-11-28 | 2014-05-07 | 北京建筑大学 | Malodorous gas treatment device for municipal solid waste treatment plant |
| CN204910865U (en) * | 2015-08-10 | 2015-12-30 | 宁波检验检疫科学技术研究院 | Novel solid -phase extraction system |
| CN207614406U (en) * | 2017-11-21 | 2018-07-17 | 中国烟草总公司郑州烟草研究院 | A kind of high throughput positive-pressure solid-phase extracting device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 400700 room 201-204, second floor, No. 62, Yunhe Road, Beibei District, Chongqing Applicant after: Chongqing Huangjia Tongyi Technology Co.,Ltd. Address before: 400700 room 201-204, second floor, No. 62, Yunhe Road, Beibei District, Chongqing Applicant before: Chongqing Tongyi Biotechnology Research Institute Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191220 |
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| RJ01 | Rejection of invention patent application after publication |