CN2856990Y - Atomizer for atomic absorbing analysis - Google Patents
Atomizer for atomic absorbing analysis Download PDFInfo
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- CN2856990Y CN2856990Y CN 200520142687 CN200520142687U CN2856990Y CN 2856990 Y CN2856990 Y CN 2856990Y CN 200520142687 CN200520142687 CN 200520142687 CN 200520142687 U CN200520142687 U CN 200520142687U CN 2856990 Y CN2856990 Y CN 2856990Y
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- glass
- atomizer
- outer tube
- sample introduction
- tube
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Abstract
An atomizer for atomic absorption analysis comprises a glass inner tube and a glass outer tube which are arranged concentrically, a glass nozzle arranged at the front end of the glass outer tube and a venturi tube having a percussion ball, wherein the back ends of the glass inner tube and the glass outer tube are provided with conduct bond injection ports which are connected to the injection capillary, an air orifice is arranged on the glass outer tube, the outer side of the glass outer tube is provided with a protective casing having an air inlet pipe, the two ends of the protective casing are sealed and connected with the glass outer tube, the venturi tube having a percussion ball and detachablely covering the front end of the glass nozzle, a sealing ring is arranged between the inner wall of the venturi tube and the outer wall of the glass outer tube. The atomizer is characterized in that: the injection port and the injection capillary are connected with each other by injection hose; the protective casing is provided with a adjusting mechanism for solution absorbing/jetting capacity at the position of the injection hose. The utility model is capable of simply adjusting the solution absorbing/jetting capacity of the atomizer and satisfying the detection of different elements in different medium solutions.
Description
Technical field
The utility model relates to a kind of chemical analysis instrument, the atomizer that a kind of specifically atomic absorption analysis that is used for atomic absorption analysis is used.
Background technology
In the NITRATE BY FLAME ATOMIC absorption analysis, sample solution atomizing back need be imported flame and measure.Solution atomization uses the pneumatic concentric atomizer of pressurized air as power mostly.What this atomizer had is made of metal, and glass is also arranged.The corrosion-resistant of metal atomization device, long-time stability are bad.Glass atomizer is corrosion-resistant, Stability Analysis of Structures, and the performance long-term stability is constant, and its shortcoming is easy breakage, and inconvenience is installed.Application number 89215461.6 (notification number: CN 2052896U) disclose a kind of scheme that a protective sleeve is installed at glass atomizer, be convenient to install, cracky not, but can not inhale discharge rate by regulator solution, this atomizer as shown in Figure 1, be to be provided with a metal-coating 114 in the outside of glass atomizer body 111, be provided with metal draft tube 115 in the side of metal-coating 114; Be provided with air admission hole 113 in glass atomizer body 111, described glass atomizer body 111 is the glass tube that an end has nozzle, is provided with the sample introduction pipe in it with one heart, and described sample introduction pipe connects sample introduction kapillary 116; Be provided with the Venturi tube that has impact bead 112 in nozzle the place ahead; Metal-coating 114 and 117 sealings of glass atomizer body 111 usefulness encapsulants.Pressurized air enters metal jacket pipe 114 by metal draft tube 115, entering in the glass atomizer body 111 by the air admission hole on the glass atomizer body 111 113, and spray at a high speed by nozzle, according to the Venturi tube principle, the formed negative pressure of air-flow of ejection sucks sample solution and nebulize by sample introduction kapillary 116 and sample introduction pipe and sprayed by Venturi tube in company with high velocity air at a high speed, the high velocity air bump impact bead 112 that contains the sample solution droplet that is sprayed makes the further refinement of droplet, enters flame analysis thereupon.
The solution of atomizer is inhaled the sensitivity of discharge rate influence mensuration in the atomic absorption analysis, and the solution of different elements and different medium needs different solution to inhale discharge rate.Have the solution suction discharge rate of the glass atomizer of protective sleeve all to be fixed up according to generalized case by the manufacturer before dispatching from the factory at present, the user can not regulate as required voluntarily, has limited the performance of atomic absorption detecting performance.
Novel content
Technical problem to be solved in the utility model is the above-mentioned deficiency at prior art, and provides a kind of solution to inhale the atomizer that the adjustable atomic absorption analysis of discharge rate is used.The atomizer that this atomic absorption analysis is used can be as required the suction discharge rate of regulator solution at any time, satisfy the ball of wanting of different element determinations in the solution of different medium, give full play to the function of atomic absorption spectrophotometer (AAS).
The atomizer that atomic absorption analysis of the present utility model is used is realized by following technical scheme.
The atomizer that a kind of atomic absorption analysis is used comprises: by the glass inner tube and the outer tube of concentric setting, be arranged at the glass atomizer of outer tube front end and have the Venturi tube of impact bead; The injection port of the external opening of pipe in the rear end sealing-in of described glass inner tube and outer tube forms, described injection port connects the sample introduction kapillary; On described glass outer tube, be provided with an air admission hole; The outside of described glass outer tube is provided with the protective sleeve that has draft tube, the two ends of protective sleeve and the sealing-in of glass outer tube, the described Venturi tube that has impact bead is sleeved on the front end of described glass atomizer removably, is provided with sealing ring between the outer wall of the inwall of Venturi tube and glass outer tube; It is characterized in that: described injection port is to connect described sample introduction kapillary by the sample introduction flexible pipe; On described protective sleeve, be positioned at described sample introduction flexible pipe place, be provided with solution and inhale the discharge rate governor motion.
Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents.
The atomizer that described atomic absorption analysis is used; it is characterized in that: it is to be provided with a screw on protective sleeve that described solution is inhaled the discharge rate governor motion; in described screw, be provided with the ball of a roof pressure sample introduction flexible pipe; be provided with bolt in described screw, described bolt contacts with described ball.
The atomizer that described atomic absorption analysis is used; it is characterized in that: it is to be provided with a screw on protective sleeve that described solution is inhaled the discharge rate governor motion; in described screw, be provided with the wedge shape briquetting of a roof pressure sample introduction flexible pipe; be provided with bolt in described screw, described bolt contacts with described wedge shape briquetting.
The atomizer that described atomic absorption analysis is used is characterized in that: be provided with O-ring seal between described protective sleeve and the glass atomizer.
The atomizer that described atomic absorption analysis is used is characterized in that: described air intake branch communicates with air admission hole on the described glass outer tube.
The atomizer that described atomic absorption analysis is used is characterized in that: described sample introduction flexible pipe diameter of bore is 2～5mm.
The atomizer that described atomic absorption analysis is used is characterized in that: an end and the glass inner tube of described sample introduction flexible pipe are tightly connected, and the other end is connected with the sample introduction kapillary.
The atomizer that described atomic absorption analysis is used is characterized in that: the diameter that described solution is inhaled the screw of discharge rate governor motion is M2～M5.
Advantage of the present utility model is:
The atomizer that atomic absorption analysis of the present utility model is used is provided with solution and inhales the discharge rate governor motion, the user can regulate the solution of atomizer very easily and inhale discharge rate, in time satisfy the mensuration of different elements in the different medium solution, fully play atomic absorption spectrophotometer (AAS) ground function.Solution is inhaled discharge rate and can be changed continuously in the 0mL/min-10mL/min scope.The ball of wanting that can adapt to different element determinations, the while can adapt to the ball of wanting of inorganic solution and organic solution (as solution such as ethanol, methyl isobutyl ketone, benzene) mensuration.
Description of drawings
Fig. 1 is the glass atomizer of existing band metal-coating.
Fig. 2 is the sectional view that solution is inhaled the atomizer of discharge rate governor motion that has of the present utility model.
Fig. 3 is the sectional view that another solution of the present utility model is inhaled the discharge rate governor motion.
Fig. 4 is the longitudinal diagram of wedge shape briquetting among Fig. 3.
Symbol among the figure
111 glass atomizer bodies; 112 impact beads; 113 air admission holes;
114 metal-coatings; 115 metal draft tube; 115 sample introduction kapillaries
117 encapsulants;
1 glass atomizer; 2 glass outer tubes; 3 glass inner tube; 4 air admission holes;
5 Venturi tubes; 6 impact beads; 8 " O " V-shaped ring;
9 protective sleeves; 10 air intake branches; 11 " O " shape O-ring seal;
13 sample introduction flexible pipes; 14 screws; 15 bolts; 16 pressure balls;
17 sample introduction kapillaries; 18 spouts; 19 injection ports; 20 glass outer tube protective sleeves
28 wedge shape briquettings; 281 gathering sills; 282 projections;
Embodiment
The purpose of this utility model just is a kind of atomizer of can regulator solution inhaling discharge rate of research and design.
The atomizer that has solution suction discharge rate governor motion of the present utility model, its structure as shown in Figure 2.This atomizer is made of with concentric structure glass atomizer of making 1 and the Venturi tube 5 that has impact bead 6 glass inner tube 3 and glass outer tube 2.The front end of described glass atomizer 1 forms the spout 18 of glass inner tube 3 and glass outer tube 2 concentric arrangement, the injection port 19 of the external opening of pipe in the rear end glass inner tube 3 and 2 sealing-ins of glass outer tube of glass atomizer 1 form; Described glass outer tube 2 is provided with an air admission hole 4, described air admission hole 4 and described glass inner tube 3 and, the interlayer of glass outer tube 2 communicates; Be positioned at sample introduction flexible pipe 13 is installed on the pipe 3 at described injection port 19 places, the other end of sample introduction flexible pipe 13 is installed sample introduction kapillary 17, forms solution arrives spout 18 through sample introduction kapillary 17--sample introduction flexible pipe 13-glass inner tube solution stream.The described Venturi tube 5 that has impact bead 6 is sleeved on the front end of described glass atomizer 1 removably, " O " V-shaped ring 8 is set between the outer wall of the inwall of Venturi tube 5 and glass atomizer 1 both are fixed.The rear end that is positioned at described glass outer tube is installed in a protective sleeve 9 that has air intake branch 10 to the part at about 1/2nd places of its total length, and the endoporus of described protective sleeve 9 is made up of the glass outer tube protective sleeve 20 and the flexible pipe through hole 12 of coaxial setting; With 11 sealings of " O " shape O-ring seal, form by air intake branch 10 between the two ends of described glass outer tube protective sleeve 20 and the described glass outer tube 2 through protecting the air admission hole 4 on 9 cover inner chambers, the glass outer tube 2, the gas flow path that glass inner and outer pipe interlayer arrives spout 18.In order to improve protective sleeve 9 and the sealing effectiveness of nozzle 1 and the intensity of sealing, can on " O " shape O-ring seal 11, apply fluid sealant.Be provided with regulator solution in flexible pipe through hole 12 places of protective sleeve 9 and inhale the mechanism of discharge rate.
Described protective sleeve 9 and air intake branch 10 are to be made by the material that metal or synthetic plastic etc. has a sufficient intensity.The profile of described protective sleeve 9 and size are determined at the installation requirement of field of employment according to atomizer.
It is to be provided with a screw 14 in the position of vertical described flexible pipe through hole 12 that described solution is inhaled the discharge rate governor motion, the pressure ball 16 of one roof pressure sample introduction flexible pipe 13 is set in described screw 14, in screw 14, screw in and regulate bolt 15, this adjusting bolt 15 that turns clockwise can promote the described sample introduction flexible pipe 13 of described pressure ball 16 compressings, the sectional area that the solution of sample introduction flexible pipe 13 is passed through reduces, and solution is inhaled discharge rate and reduced; Be rotated counterclockwise this adjusting bolt 15, pressure ball 16 rises under the 13 elastic force effects of sample introduction flexible pipe, and the sectional area that the solution of sample introduction flexible pipe 13 passes through strengthens, and solution is inhaled discharge rate and increased, thereby realizes flow regulation.
Between the diameter 2～5mm of the flexible pipe through hole 12 of described solution suction discharge rate governor motion, the diameter of described screw 14 is between M3～M6, and described adjusting bolt 15 mates with this screw 14.
Described sample introduction flexible pipe 12 is made as materials such as silicon rubber, fluororubber, Polyvinylchloride by having elasticity and corrosion-resistant material is made; Its external diameter is more smaller than described flexible pipe through hole, and diameter is between 1.5～4.5mm, and internal diameter is between 1～2mm.
The described pressure ball 16 that compresses the sample introduction flexible pipe is made by materials such as metal, agate, synthetic plastics, and its diameter is more smaller than the diameter of described screw, can be free movable in screw, and its diameter is between 2～5mm.
Adopt pressure ball compressing sample introduction flexible pipe to realize flow regulation in the present embodiment.Wherein sample introduction flexible pipe 13 is silicon rubber materials, external diameter 2.5mm, internal diameter 1mm; The diameter 3mm of pressure ball 16, the agate material; Flexible pipe through hole 12 diameter 3mm, screw 14 diameter M4mm regulate bolt 15 diameter M4mm.When adjusting bolt 15 loosened fully, the discharge rate of suction naturally of atomizer was 10mL/min, and bolt 15 is regulated in rotation, and solution is inhaled discharge rate and can be changed continuously in 0mL/min ~ 10mL/min scope.The ball of wanting that can adapt to different element determinations, the while can adapt to the ball of wanting of inorganic solution and organic solution (as solution such as ethanol, methyl isobutyl ketone, benzene) mensuration.
The utility model relies on the mobile realization solution of pressure ball 16 to inhale the discharge rate governor motion, but is not limited to pressure ball, also can adopt the method for wedge shape briquetting compressing sample introduction flexible pipe 13 to realize flow regulation.
Another embodiment of solution suction discharge rate governor motion of the present utility model is to adopt wedge shape briquetting compressing sample introduction flexible pipe 13 as shown in Figure 3.It is to be provided with a screw 14 in the position of vertical described flexible pipe through hole 12 that described solution is inhaled the discharge rate governor motion, the wedge shape briquetting 28 of one roof pressure sample introduction flexible pipe 13 is set in described screw 14, in screw 14, screw in and regulate bolt 15, this adjusting bolt 15 that turns clockwise can promote the described sample introduction flexible pipe 13 of described wedge shape briquetting 28 compressings, the sectional area that the solution of sample introduction flexible pipe 13 is passed through reduces, and solution is inhaled discharge rate and reduced; Be rotated counterclockwise described wedge shape briquetting 28, wedge shape briquetting 28 rises under the 13 elastic force effects of sample introduction flexible pipe, and the sectional area that the solution of sample introduction flexible pipe 13 passes through strengthens, and solution is inhaled discharge rate and increased, thereby realizes flow regulation.
For the blade that keeps wedge shape briquetting 28 vertical with sample introduction flexible pipe 13, as shown in Figure 4, the position that the inwall of screw 14 is relative is provided with 2 gathering sills 281, the both sides of wedge shape briquetting 28 are provided with 2 orienting lugs 282,2 orienting lugs 282 of wedge shape briquetting 28 are bumped in the gathering sill 281 on screw 14 inwalls, and make wedge shape briquetting 28 to move and can not rotate by easy on and off, thereby the blade that has guaranteed wedge shape briquetting 28 is vertical with sample introduction flexible pipe 13.In order to reduce the shear action of 28 pairs of sample introduction flexible pipes 13 of wedge shape briquetting, the blade of wedge shape briquetting 28 is made circular-arc blunt sword.
Described wedge shape briquetting 28 is made by materials such as metal, agate, synthetic plastics, and its diameter is more smaller than the diameter of described spiral shell through hole, can be free movable in screw, and its diameter is between 2～5mm.The height of the projection 282 on the wedge shape briquetting 28 is between 1.5～2mm; The degree of depth of the gathering sill 281 on screw 14 inwalls is between 2～2.5mm.
Adopt wedge shape briquetting compressing sample introduction flexible pipe to realize flow regulation in the present embodiment.In the present embodiment, flexible pipe through hole 12 diameter 2.5mm, sample introduction flexible pipe 13 is PVC flexible hoses, external diameter 2.0mm, internal diameter 1mm; The diameter 3mm of wedge shape briquetting 28, the UPVC material; Screw 14 and adjusting bolt 15 diameter M4mm.The degree of depth 2mm of 2 gathering sills 281 on the screw 14, the height of 2 projections 282 of the both sides of wedge shape briquetting 28 is 1.5mm.
In the present embodiment, when adjusting bolt 15 loosened fully, the discharge rate of suction naturally of atomizer was 10mL/min, and bolt 15 is regulated in rotation, and solution is inhaled discharge rate and can be changed continuously in 0mL/min ~ 10mL/min scope.The ball of wanting that can adapt to different element determinations, the while can adapt to the ball of wanting of inorganic solution and organic solution (as solution such as ethanol, methyl isobutyl ketone, benzene) mensuration.
The utility model adopts has the atomizer that solution is inhaled the discharge rate governor motion, the user can regulate the solution of atomizer very easily and inhale discharge rate, in time satisfy the mensuration of different elements in the different medium solution, bring into play the function of atomic absorption spectrophotometer (AAS) fully.Particularly, when adjusting bolt 15 loosened fully, the discharge rate of suction naturally of atomizer was 10mL/min, and bolt 15 is regulated in rotation, and solution is inhaled discharge rate and can be changed continuously in 0mL/min ~ 10mL/min scope.The ball of wanting that can adapt to different element determinations, the while can adapt to the ball of wanting of inorganic solution and organic solution (as solution such as ethanol, methyl isobutyl ketone, benzene) mensuration.
Claims (8)
1, the atomizer used of a kind of atomic absorption analysis comprises: by the glass inner tube (3) and the glass outer tube (2) of concentric setting, be arranged at the glass atomizer (1) of glass outer tube (2) front end and have the Venturi tube (5) of impact bead (6); The injection port (19) of the external opening of pipe in the rear end sealing-in of described glass inner tube (3) and glass outer tube (2) forms, described injection port (19) connects sample introduction kapillary (17); On described glass outer tube, be provided with an air admission hole (4); The outside of described glass outer tube (2) is provided with the protective sleeve (9) that has draft tube (10), the two ends of protective sleeve (9) and glass outer tube (2) sealing-in, the described Venturi tube (5) that has impact bead (6) is sleeved on the front end of described glass atomizer (1) removably, is provided with sealing ring (8) between the outer wall of the inwall of Venturi tube (5) and glass outer tube (2); It is characterized in that: described injection port (19) is to connect described sample introduction kapillary (17) by sample introduction flexible pipe (13); On described protective sleeve (9), be positioned at described sample introduction flexible pipe (13) and locate, be provided with solution and inhale the discharge rate governor motion.
2, the atomizer used of atomic absorption analysis according to claim 1; it is characterized in that: it is to be provided with a screw on protective sleeve that described solution is inhaled the discharge rate governor motion; in described screw, be provided with the ball of a roof pressure sample introduction flexible pipe; be provided with bolt in described screw, described bolt contacts with described ball.
3, the atomizer used of atomic absorption analysis according to claim 1; it is characterized in that: it is to be provided with a screw on protective sleeve that described solution is inhaled the discharge rate governor motion; in described screw, be provided with the wedge shape briquetting of a roof pressure sample introduction flexible pipe; be provided with bolt in described screw, described bolt contacts with described wedge shape briquetting.
4, the atomizer used of atomic absorption analysis according to claim 1 is characterized in that: be provided with O-ring seal between described protective sleeve and the glass atomizer.
5, the atomizer used of atomic absorption analysis according to claim 1 is characterized in that: described air intake branch communicates with air admission hole on the described glass outer tube.
6, the atomizer used of atomic absorption analysis according to claim 1, it is characterized in that: described sample introduction flexible pipe diameter of bore is 2～5mm.
7, the atomizer used of atomic absorption analysis according to claim 1, it is characterized in that: an end and the glass inner tube of described sample introduction flexible pipe are tightly connected, and the other end is connected with the sample introduction kapillary.
8, the atomizer used of atomic absorption analysis according to claim 1 is characterized in that: the diameter that described solution is inhaled the screw of discharge rate governor motion is M2～M5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520142687 CN2856990Y (en) | 2005-12-15 | 2005-12-15 | Atomizer for atomic absorbing analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520142687 CN2856990Y (en) | 2005-12-15 | 2005-12-15 | Atomizer for atomic absorbing analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2856990Y true CN2856990Y (en) | 2007-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520142687 Expired - Fee Related CN2856990Y (en) | 2005-12-15 | 2005-12-15 | Atomizer for atomic absorbing analysis |
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| CN (1) | CN2856990Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ302891B6 (en) * | 2007-02-13 | 2012-01-11 | Ústav analytické chemie AV CR, v. v. i. | Compact device for preliminary concentration and atomization of hydride forming elements for their determination by atomic absorption spectrometry |
| CN106872384A (en) * | 2017-04-07 | 2017-06-20 | 北京瀚时仪器有限公司 | A kind of high-efficiency atomizer for atomic absorption spectrophotometer |
| CN107167239A (en) * | 2017-07-01 | 2017-09-15 | 北京曙光明电子光源仪器有限公司 | A kind of glass atomizer and its manufacture method |
| WO2018001219A1 (en) * | 2016-06-27 | 2018-01-04 | 叶志青 | Multi-stage aeration generator and wastewater treatment method |
| CN109152890A (en) * | 2016-03-02 | 2019-01-04 | 克劳斯贝医疗有限公司 | A kind of method and apparatus of echo conduit system |
| CN109709054A (en) * | 2019-01-21 | 2019-05-03 | 广西科技大学鹿山学院 | Flame atomic absorption spectrophotometer aeration sample introduction regulating device |
-
2005
- 2005-12-15 CN CN 200520142687 patent/CN2856990Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ302891B6 (en) * | 2007-02-13 | 2012-01-11 | Ústav analytické chemie AV CR, v. v. i. | Compact device for preliminary concentration and atomization of hydride forming elements for their determination by atomic absorption spectrometry |
| CN109152890A (en) * | 2016-03-02 | 2019-01-04 | 克劳斯贝医疗有限公司 | A kind of method and apparatus of echo conduit system |
| WO2018001219A1 (en) * | 2016-06-27 | 2018-01-04 | 叶志青 | Multi-stage aeration generator and wastewater treatment method |
| CN106872384A (en) * | 2017-04-07 | 2017-06-20 | 北京瀚时仪器有限公司 | A kind of high-efficiency atomizer for atomic absorption spectrophotometer |
| CN107167239A (en) * | 2017-07-01 | 2017-09-15 | 北京曙光明电子光源仪器有限公司 | A kind of glass atomizer and its manufacture method |
| CN107167239B (en) * | 2017-07-01 | 2018-11-30 | 北京曙光明电子光源仪器有限公司 | A kind of glass atomizer and its manufacturing method |
| CN109709054A (en) * | 2019-01-21 | 2019-05-03 | 广西科技大学鹿山学院 | Flame atomic absorption spectrophotometer aeration sample introduction regulating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070110 Termination date: 20100115 |