CN105277496A - Heightening type atom-absorption quartz catcher - Google Patents
Heightening type atom-absorption quartz catcher Download PDFInfo
- Publication number
- CN105277496A CN105277496A CN201510726255.0A CN201510726255A CN105277496A CN 105277496 A CN105277496 A CN 105277496A CN 201510726255 A CN201510726255 A CN 201510726255A CN 105277496 A CN105277496 A CN 105277496A
- Authority
- CN
- China
- Prior art keywords
- quartz
- plate
- motor
- slide block
- grooved
- 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.)
- Granted
Links
- 239000010453 quartz Substances 0.000 title claims abstract description 38
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 239000003708 ampul Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 3
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000001479 atomic absorption spectroscopy Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a heightening type atom-absorption quartz catcher and relates to a quartz-tube atom catcher with a spectrometer for flame-atom absorption. The heightening type atom-absorption quartz catcher is characterized in that an upper end plate and a motor plate are arranged in parallel from top to down; the rear end of a sliding block is positioned between the upper end plate and the motor plate; a stepping motor is fixedly arranged at the lower end of the motor plate; a screw rod on the stepping motor penetrates through the motor plate, the sliding block and the upper end plate in sequence; a Tr8 nut 2 is in threaded connection with the screw rod and is embedded in the sliding block; each guiding rod supports in the sliding block by a linear bearing; a vertical column is positioned behind the sliding block and is arranged between the motor plate and the upper end plate; a groove-type pipe frame is arranged in the front of the sliding block; semicircular upper grooves in pipe clamps are fastened with semicircular lower grooves in the groove-type pipe frame; the two ends of a quartz catching tube are respectively arranged in the two semicircular lower grooves; a burning head is arranged under the quartz-tube catching tube; a burning seam is opposite to the central line of the quartz-tube catching tube from top to bottom. The heightening type atom-absorption quartz catcher disclosed by the invention is used for flame-atom absorption.
Description
Technical field
The present invention relates to a kind of quartz ampoule atom catcher had for flame atomic absorption spectrophotometer, belong to atomic absorption spectroscopy field, be specifically related to one and uprise formula Atomic absorption quartz drip catcher.
Background technology
The known quartz ampoule atom catcher for flame atomic absorption spectrophotometer is when trapping, and water is by quartzy trap tube, and after cooling, trapping atom is in quartz ampoule surface; When removing trapping, air drives away water by quartzy trap tube, then stops air flowing, removes the atom being captured in quartz ampoule surface and enters flame, produce sharp line absorption after heating up in the several seconds.On acetylene internal flame on the parallel horizontal seam of the burning at combustion head of existing quartz ampoule on the quartz ampoule atom catcher of flame atomic absorption spectrophotometer.By water intake mechanism by water flowing continuous in quartz ampoule to lower the temperature to air.This gas-liquid exchanged form makes the temperature of quartz ampoule uncontrollable, and temperature variation is slow, and therefore absorption peak is sharp-pointed not.
Summary of the invention
The present invention is for solving existing quartz ampoule when trapping, and is controlled by gas-liquid exchanged form, causes temperature variation slow, the problem that absorption peak is sharp-pointed not, provides one to uprise formula Atomic absorption quartz drip catcher.
One of the present invention uprises formula Atomic absorption quartz drip catcher and comprises stepper motor, Tr8 nut, motor plate, column, upper head plate, slide block, grooved pipe support, quartz trap tube, channel-section steel, two pipe clamps, two guide poles, two linear bearings, two limit switches and two limit bases, upper head plate and motor plate be arranged in parallel up and down, the rear end of slide block is between upper head plate and motor plate, stepper motor is packed in the lower end of motor plate, screw mandrel on stepper motor is successively through motor plate, slide block and upper head plate, Tr8 nut is connected with wire rod thread, and Tr8 nut is inlaid in slide block, two guide poles are symmetricly set on the both sides of screw mandrel, each guide pole is supported in slide block by a linear bearing, and the upper end of guide pole is arranged in upper head plate, the lower end of guide pole is arranged in motor plate, column slide block below and be arranged between motor plate and upper head plate, grooved pipe support is arranged on before slide block, the upper surface of the dual-side of grooved pipe support is provided with semicircle low groove, pipe clamp is provided with the semicircle upper groove identical with semicircle low groove radius, the dual-side of grooved pipe support is respectively arranged with pipe clamp, and semicircle upper groove and semicircle low groove fasten and arrange, quartz trap tube is grooved, the two ends of grooved are separately positioned in two semicircle low grooves, channel-section steel fastens the side being arranged on column, the back of channel-section steel is provided with two parallel elongated holes, two limit switches are arranged on the outside of channel-section steel, limiting plate on two limit switches is oppositely arranged, two limit bases are arranged on the inside of channel-section steel, two limit switches and two limit base one_to_one corresponding, combustion head is placed in below quartzy trap tube, and burning seam is just right up and down with the center line of quartzy trap tube.
The present invention compared with prior art has following beneficial effect:
One, stepper motor 1 of the present invention, screw mandrel 1-1, Tr8 nut 2, slide block 6 form elevating mechanism, this elevating mechanism is got and has been replaced existing water intake mechanism, rotated by stepper motor 1 rotating band movable wire bar 1-1 and Tr8 nut 2, and be with movable slider 6 to move up and down, thus realize the distance of rapid adjustment quartz trap tube 9 to flame, quartz ampoule surface temperature is changed fast, absorption peak is sharp-pointed.
Two, the present invention accurately can adjust quartz ampoule to the distance of flame, can accurately select quartz ampoule surface temperature, thus realize finding best trapping temperature, improve the sensitivity of Atomic absorption.
Accompanying drawing explanation
Fig. 1 is one-piece construction front view of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the A-A cut-open view of Fig. 2;
Fig. 5 is three-dimensional exploded view of the present invention;
Fig. 6 is the vertical view of column 4;
Fig. 7 is the position relationship stereographic map of slide block 6, grooved pipe support 7, grooved quartz trap tube 9, streamline burning seat 15 and two pipe clamps 8;
Fig. 8 is the stereographic map of channel-section steel 12.
Embodiment
Embodiment one: composition graphs 1 ~ Fig. 8 illustrates present embodiment, present embodiment comprises stepper motor 1, Tr8 nut 2, motor plate 3, column 4, upper head plate 5, slide block 6, grooved pipe support 7, quartz trap tube 9, channel-section steel 12, two pipe clamps 8, two guide poles 10, two linear bearings 11, two limit switches 13 and two limit bases 14, upper head plate 5 and motor plate about 3 be arranged in parallel, the rear end of slide block 6 is between upper head plate 5 and motor plate 3, stepper motor 1 is packed in the lower end of motor plate 3, screw mandrel 1-1 on stepper motor 1 is successively through motor plate 3, slide block 6 and upper head plate 5, Tr8 nut 2 is threaded with screw mandrel 1-1, and Tr8 nut 2 is inlaid in slide block 6, two guide poles 10 are symmetricly set on the both sides of screw mandrel 1-1, each guide pole 10 is supported in slide block 6 by a linear bearing 11, and the upper end of guide pole 10 is arranged in upper head plate 5, the lower end of guide pole 10 is arranged in motor plate 3, column 4 slide block 6 below and be arranged between motor plate 3 and upper head plate 5, by Connection Element, column 4 is fixedly connected with upper head plate 5 with motor plate 3, grooved pipe support 7 is arranged on before slide block 6, by Connection Element, pipe support 7 is fixedly connected with slide block 6, the upper surface of the dual-side of grooved pipe support 7 is provided with semicircle low groove 7-1, pipe clamp 8 is provided with the semicircle upper groove 8-1 identical with semicircle low groove 7-1 radius, the dual-side of grooved pipe support 7 is respectively arranged with pipe clamp 8, and semicircle upper groove 8-1 and semicircle low groove 7-1 fastens and arranges, quartz trap tube 9 is grooved, the two ends of grooved are separately positioned in two semicircle low groove 7-1, grooved quartz trap tube 9 is fixed on grooved pipe support 7 by pipe clamp 8, channel-section steel 12 fastens the side being arranged on column 4, the back of channel-section steel 12 is provided with two parallel elongated hole 12-1, two limit switches 13 are arranged on the outside of channel-section steel 12, limiting plate 13-1 on two limit switches 13 is oppositely arranged, two limit bases 14 are arranged on the inside of channel-section steel 12, two limit switches 13 and two limit base 14 one_to_one corresponding, the limit switch 13 just corresponding by Connection Element is fixedly connected with limit base 14, two limit switches 13 can slide along elongated hole 12-1.Combustion head 15 is placed in below quartzy trap tube 9, and the center line of burning seam 15-1 and quartzy trap tube 9 is just right up and down.The model of stepper motor 1 is 42BG34, step angle 1.8 degree, long 34 millimeters of fuselage, phase voltage 3.8 volts, 0.95 ampere, phase current, phase resistance 4 ohm, statical moment 2.7kg*cm, pin count 4, the diameter 8mm of screw mandrel 1-1, single helical, pitch=2mm, helical pitch=2mm.Umber of pulse=360/1.8=200 in 360 degree.
Tr8 nut 2 is trapezoidal nut.Column 4 adopts 2080 aluminium alloy extrusions.
During use, quartzy trap tube 9 is parallel and just on burning seam 15-1, the minimum point of quartzy trap tube 9 is positioned on acetylene internal flame, and the peak of quartzy trap tube 9 is positioned among acetylene flame envelope.Stepper motor 1 is connected and is driven by stepper motor driver, and stepper motor driver is connected with circuit board, control step motor 1 under the control of microcomputer.After stepper motor 1 starts, screw mandrel 1-1 rotates, and Tr8 nut 2 moves up and down along screw mandrel 1-1 and is with movable slider 6 and pipe support 7 to move up and down, thus realizes the distance of rapid adjustment quartz trap tube 9 to flame.
Embodiment two: composition graphs 3 illustrates present embodiment, the upper surface of the combustion head 15 of present embodiment is 3mm ~ 5mm to the distance between center line s of grooved quartz trap tube 9.This numerical range can ensure that quartzy trap tube 9 has best trapping temperature 8.Other composition and annexation identical with embodiment one.
Embodiment three: composition graphs 3 illustrates present embodiment, the upper surface of the combustion head 15 of present embodiment is 3.52mm to the distance between center line s of grooved quartz trap tube 9.This numerical value can ensure that quartzy trap tube 9 has best trapping temperature 8.Other composition and annexation identical with embodiment two.
Claims (3)
1. one kind uprises formula Atomic absorption quartz drip catcher, it is characterized in that: described quartzy drip catcher comprises stepper motor (1), Tr8 nut (2), motor plate (3), column (4), upper head plate (5), slide block (6), grooved pipe support (7), quartz trap tube (9), channel-section steel (12), combustion head (15), two pipe clamps (8), two guide poles (10), two linear bearings (11), two limit switches (13) and two limit bases (14), upper head plate (5) and motor plate (3) be arranged in parallel up and down, the rear end of slide block (6) is positioned between upper head plate (5) and motor plate (3), stepper motor (1) is packed in the lower end of motor plate (3), screw mandrel (1-1) on stepper motor (1) is successively through motor plate (3), slide block (6) and upper head plate (5), Tr8 nut (2) is threaded with screw mandrel (1-1), and Tr8 nut (2) is inlaid in slide block (6), two guide poles (10) are symmetricly set on the both sides of screw mandrel (1-1), each guide pole (10) is supported in slide block (6) by a linear bearing (11), and the upper end of guide pole (10) is arranged in upper head plate (5), the lower end of guide pole (10) is arranged in motor plate (3), column (4) be positioned at slide block (6) below and be arranged between motor plate (3) and upper head plate (5), grooved pipe support (7) is arranged on before slide block (6), the upper surface of the dual-side of grooved pipe support (7) is provided with semicircle low groove (7-1), pipe clamp (8) is provided with the semicircle upper groove (8-1) identical with semicircle low groove (7-1) radius, the dual-side of grooved pipe support (7) is respectively arranged with pipe clamp (8), and semicircle upper groove (8-1) and semicircle low groove (7-1) fasten and arrange, quartz trap tube (9) is grooved, the two ends of grooved are separately positioned in two semicircle low grooves (7-1), channel-section steel (12) fastens the side being arranged on column (4), the back of channel-section steel (12) is provided with two parallel elongated holes (12-1), two limit switches (13) are arranged on the outside of channel-section steel (12), limiting plate (13-1) on two limit switches (13) is oppositely arranged, two limit bases (14) are arranged on the inside of channel-section steel (12), two limit switches (13) and two limit base (14) one_to_one corresponding, combustion head (15) is placed in below quartzy trap tube (9), and burning seam (15-1) is just right up and down with the center line of quartzy trap tube (9).
2. one uprises formula Atomic absorption quartz drip catcher according to claim 1, it is characterized in that: the upper surface of described combustion head (15) is 3mm ~ 5mm to the distance between center line s of grooved quartz trap tube (9).
3. one uprises formula Atomic absorption quartz drip catcher according to claim 1, it is characterized in that: the upper surface of described combustion head (15) is 3.52mm to the distance between center line s of grooved quartz trap tube (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510726255.0A CN105277496B (en) | 2015-10-29 | 2015-10-29 | One kind uprises the quartzy trap of formula Atomic absorption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510726255.0A CN105277496B (en) | 2015-10-29 | 2015-10-29 | One kind uprises the quartzy trap of formula Atomic absorption |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105277496A true CN105277496A (en) | 2016-01-27 |
| CN105277496B CN105277496B (en) | 2017-11-07 |
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ID=55146883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510726255.0A Expired - Fee Related CN105277496B (en) | 2015-10-29 | 2015-10-29 | One kind uprises the quartzy trap of formula Atomic absorption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105277496B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3508829A (en) * | 1964-12-04 | 1970-04-28 | Atomic Energy Authority Uk | Analytical atomic absorption spectrometry |
| DE2825759A1 (en) * | 1978-06-12 | 1979-12-13 | Philips Patentverwaltung | METHOD OF MANUFACTURING CUVETS FOR FLAMELESS ATOMIC ABSORPTION SPECTROSCOPY |
| JPH0290042A (en) * | 1988-09-28 | 1990-03-29 | Shimadzu Corp | Flame atomic absorption spectrometry device |
| CN2327867Y (en) * | 1998-04-02 | 1999-07-07 | 中国科学院大连化学物理研究所 | Universal and multifunctional tube holder |
| CN201344901Y (en) * | 2008-11-18 | 2009-11-11 | 河北大学 | Bell-type atom trapping device used for flame atomic absorption method |
| CN203024863U (en) * | 2013-01-06 | 2013-06-26 | 北京瑞利分析仪器有限公司 | Multi-dimensional atomizer regulating mechanism of portable atomic absorption spectrometer |
| CN204287016U (en) * | 2014-10-22 | 2015-04-22 | 廊坊开元高技术开发公司 | A kind of quartz ampoule protrudes automatic lifting atomizer easy to assemble |
-
2015
- 2015-10-29 CN CN201510726255.0A patent/CN105277496B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3508829A (en) * | 1964-12-04 | 1970-04-28 | Atomic Energy Authority Uk | Analytical atomic absorption spectrometry |
| DE2825759A1 (en) * | 1978-06-12 | 1979-12-13 | Philips Patentverwaltung | METHOD OF MANUFACTURING CUVETS FOR FLAMELESS ATOMIC ABSORPTION SPECTROSCOPY |
| JPH0290042A (en) * | 1988-09-28 | 1990-03-29 | Shimadzu Corp | Flame atomic absorption spectrometry device |
| CN2327867Y (en) * | 1998-04-02 | 1999-07-07 | 中国科学院大连化学物理研究所 | Universal and multifunctional tube holder |
| CN201344901Y (en) * | 2008-11-18 | 2009-11-11 | 河北大学 | Bell-type atom trapping device used for flame atomic absorption method |
| CN203024863U (en) * | 2013-01-06 | 2013-06-26 | 北京瑞利分析仪器有限公司 | Multi-dimensional atomizer regulating mechanism of portable atomic absorption spectrometer |
| CN204287016U (en) * | 2014-10-22 | 2015-04-22 | 廊坊开元高技术开发公司 | A kind of quartz ampoule protrudes automatic lifting atomizer easy to assemble |
Non-Patent Citations (3)
| Title |
|---|
| YANGSHENG ZHENG: "Characteristic Mass and Atomization Efficiency of Graphite Furnace in Atomic Absorption Spectrometry", 《SPECTROSCOPY LETTERS》 * |
| 刘兆明 等: "捕集_释放原子吸收光谱法测定痕量Pb_Cd的研究", 《化学分析计量》 * |
| 蒋永清 等: "火焰原子吸收光谱分析中的原子捕集方法", 《分析试验室》 * |
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| Publication number | Publication date |
|---|---|
| CN105277496B (en) | 2017-11-07 |
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| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171107 |