CN206618689U - A kind of removable Microwave Induced Plasma torch pipe - Google Patents
A kind of removable Microwave Induced Plasma torch pipe Download PDFInfo
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- CN206618689U CN206618689U CN201621378377.1U CN201621378377U CN206618689U CN 206618689 U CN206618689 U CN 206618689U CN 201621378377 U CN201621378377 U CN 201621378377U CN 206618689 U CN206618689 U CN 206618689U
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- fixed seat
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- tube
- plasma torch
- quartz socket
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Abstract
The utility model provides a kind of removable Microwave Induced Plasma torch pipe, including：Three layers of quartz socket tube for forming and maintaining plasma torch, including outer tube, middle pipe and central tube；Some fixed seats for fixing quartz socket tube, the fixed seat is provided with the central through hole for being used for installing quartz socket tube；Three layers of quartz socket tube accordingly sequentially passes through some fixed seats；Adjacent fixed seat is detachably connected；The correspondence middle mouth of pipe is provided with the mouth of pipe of the correspondence outer tube in the first air admission hole, another fixed seat provided with the second air admission hole in one fixed seat.The utility model realizes three layers of quartz socket tube by said structure and is detachably fixed connection, when one of quartz socket tube is damaged, replaceable one new pipe, easy to use and energy-conserving and environment-protective.
Description
Technical field
The utility model belongs to emission spectrometric analyzer device field, more particularly to a kind of dismountable microwave induced plasma
Body torch pipe.
Background technology
Spectroscopic light source is the core of emission spectrumqa instrument, referred to as inductively coupled plasma atomic emission spectrometry, (ICP-
AES) analytical technology, the detection limit that has by it is low, matrix effect is small, precision is high, sensitivity is high, the range of linearity is wide and
Many advantages, such as Simultaneous multi element analysis and be able to extensive use.However, because ICP spectrometric instruments will consume substantial amounts of dilute
There is gas-argon gas, be the obvious shortcoming of the technology, the novel emission spectroscopic light source that argon gas is saved in development just turns into spectrum analysis
The important goal of technical field.
Thus introduce microwave plasma, microwave induct plasma (abbreviation MIP) be microwave plasma light source weight
Classification is constituted, it, which can be employed nitrogen as, maintains its plasma torch for working gas.It can be with shape under certain condition
Into the peripheral plasma similar to ICP light sources.Due to during use, the outer layer quartz ampoule of microwave plasma torch pipe
Easily because gas flow rate, microwave power deviate normal value or other reasonses, outer layer quartz ampoule is easily burnt by plasma melts damage
It is bad, and the probability that comparatively the structure central tube increasingly complex compared with outer tube is damaged is less.
Utility model content
The utility model purpose is that there is provided a kind of dismountable microwave induced plasma in order to overcome the deficiencies in the prior art
Body torch pipe, its three layers of sleeve pipes can realize dismounting and change, energy-conserving and environment-protective.
In order to achieve the above object, the utility model uses following technical scheme：
A kind of dismountable Microwave Induced Plasma torch pipe, it is characterised in that including：
Three layers of quartz socket tube for forming and maintaining plasma torch, including successively the outer tube of fit, middle pipe and in
Heart pipe；
Some fixed seats for fixing quartz socket tube, the fixed seat is provided with the center for being used to install quartz socket tube and led to
Hole；Three layers of quartz socket tube accordingly sequentially passes through some fixed seats；Adjacent fixed seat is detachably connected；Correspondence in one fixed seat
The mouth of pipe that the mouth of pipe of the inlet end of the middle pipe is provided with the inlet end of the correspondence outer tube in the first air admission hole, another fixed seat is set
There is the second air admission hole.
Preferably, the outer wall of the quartz socket tube is provided with positioning convex ring, the fixed seat is provided with stopper slot；It is adjacent solid
A quartz socket tube is fixed in reservation jointly, and adjacent fixed seat compresses positioning convex ring or the mouth of pipe side of the quartz socket tube by stopper slot
Edge fixes quartz socket tube.
Preferably, the positioning convex ring or/and stopper slot are provided with seal.
Fixed preferably, the fixed seat is provided with fixed seat, head end fixed seat and end in the middle part of four, including two
Seat；
The head end fixed seating is located at the central tube, and the end fixed seating is located at the outer tube；
Described two middle part fixed seats, including the first middle part fixed seat and the second middle part fixed seat；First middle part is solid
Reservation is set on central tube and middle pipe, and second middle part fixed seating is located on the middle pipe and outer tube；
The head end fixed seat compresses the positioning convex ring of the central tube with first middle part fixed seat；In described first
Portion's fixed seat compresses the mouth of pipe edge of inlet end and the determining for the middle pipe of the middle pipe with second middle part fixed seat respectively
Position bulge loop；Second middle part fixed seat and the end fixed seat compress the mouth of pipe edge of the inlet end of the outer tube and described
The positioning convex ring of outer tube.
Preferably, along outer tube to the direction of central tube, fixed seat is covered in next fixed seat successively.
Preferably, adjacent fixed seat is connected by bolt and flange.
Preferably, the center overlapping of axles of three layers of quartz socket tube；The center of the central through hole of some fixed seats
Overlapping of axles.
Preferably, the material of the fixed seat is polyformaldehyde or polytetrafluoroethylene (PTFE).
Preferably, the mouth of pipe horizontal alignment of the outlet side of the mouth of pipe of the outlet side of the central tube and the middle pipe.
Compared with prior art, the utility model has the advantages that：
The utility model realizes three layers of quartz socket tube by said structure and is detachably fixed connection, when one of quartz
During casing failure, replaceable one new pipe, easy to use and energy-conserving and environment-protective.It is fixed, can be freely assembled using four sleeve pipes
The microwave plasma torch pipe of dismounting, can change any one quartzy torch pipe, its advantage is can effectively to reduce cost.
And in instrument development process of the test, many uncertain factors are easier to damage torch pipe, the torch pipe of integration, this practicality are contrasted
The quartz ampoule processing of new design is easier, changes simple.Greatly save test period and processing cost.Relative to existing
The torch pipe docked using rubber face with stomata, design of the present utility model can effectively prevent air-hole blockage, existing MIP torch pipes
It is connected, gas must enter quarter bend by rubber face, was used in the long-time of torch pipe with torch pipe fixing device using rubber face
Cheng Zhong, rubber face can be due to high-temperature volume expansion, and for the thinner stomata of internal diameter, the rubber face of expansion can make the interior of stomata
Footpath reduces, or even blocks, and influences the stability of plasma；And fixing device of the present utility model is directly connected with quartz ampoule,
Auxiliary gas and cooling gas have been entered directly into by the stomata of fixing device among the gap between quartz ampoule, and fixing device is used
Heat-resisting material is processed, such as polytetrafluoroethylene (PTFE), and thermal coefficient of expansion is smaller.It is not easily blocked the stabilization that stomata ensures plasma
Property.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is cross-sectional view of the present utility model；
Fig. 3 is the schematic diagram of three layers of quartz socket tube of the present utility model.
In figure：
12-end fixed seat；14-the second middle part fixed seat；16-the first middle part fixed seat；18-head end fixed seat；
20-outer tube；22-middle pipe；24-central tube；26-the second air admission hole；28-the first air admission hole；30-positioning convex ring；32—
Second stopper slot；34-central through hole；36-aeresols；38-be used to install the hole of flange.
Embodiment
The utility model is further described in conjunction with accompanying drawing.
Refering to shown in Fig. 1 to Fig. 3, a kind of dismountable Microwave Induced Plasma torch pipe described in the utility model is wrapped
Include：
Three layers of quartz socket tube for forming and maintaining plasma torch, including outer tube 20, middle pipe 22 and central tube 24.
The outer wall of quartz socket tube is all provided with positioning convex ring 30.The center overlapping of axles of three layers of quartz socket tube.
Four fixed seats for fixing quartz socket tube, fixed seat is provided with the central through hole for being used for installing quartz socket tube
34；The center overlapping of axles of the central through hole 34 of four fixed seats.The material of fixed seat is polyformaldehyde or or polytetrafluoroethylene (PTFE).
Four fixed seats include two middle part fixed seats, head end fixed seat 18 and end fixed seat 12.Head end fixed seat 18
Central tube 24 is set in, end fixed seat 12 is set in outer tube 20.Two middle part fixed seats, including the He of the first middle part fixed seat 16
Second middle part fixed seat 14；First middle part fixed seat 16 is set in central tube 24 and middle pipe 22, and the second middle part fixed seat 14 is arranged
In middle pipe 22 and outer tube 20.
Adjacent fixed seat fixes a quartz socket tube jointly, and adjacent fixed seat compresses the knot of the quartz socket tube by stopper slot
Structure fixes quartz socket tube, specifically：The middle part fixed seat 16 of head end fixed seat 18 and first compresses the positioning convex ring 30 of central tube 24；
The mouth of pipe edge of the inlet end of pipe 22 and middle pipe 22 during first middle part fixed seat 16 and the second middle part fixed seat 14 are compressed respectively
Positioning convex ring 30；Second middle part fixed seat 14 compresses the mouth of pipe edge and outer tube 20 of the inlet end of outer tube 20 with end fixed seat 12
Positioning convex ring 30.
It is used for the inlet end for compressing positioning convex ring 30 and quartz socket tube in addition to head end fixed seat 18, in remaining fixed seat
Mouth of pipe edge is the first stopper slot and the second stopper slot 32 respectively, and the mouth of pipe edge of positioning convex ring 30 and inlet end is respectively implanted
First stopper slot and the second stopper slot 32, so as to be compressed by correspondence stopper slot；During head end fixed seat 18 is compressed by end face
The positioning convex ring 30 of heart pipe 24.The stopper slot of positioning convex ring 30 or/and first is provided with seal washer, and the positioning convex ring 30 is inserted
Sealing is realized during the stopper slot between the two.
The mouth of pipe of the inlet end of pipe 22 is provided with the first air admission hole 28 in correspondence in first middle part fixed seat 16, and the second middle part is solid
The mouth of pipe of the inlet end of correspondence outer tube 20 is provided with the second air admission hole 26 in reservation 14.
Along outer tube 20 to the direction of central tube 24, fixed seat is covered in next fixed seat successively, specifically：Refering to Fig. 2
Shown, end fixed seat 12 is located in the second middle part fixed seat 14, and it is fixed that the second middle part fixed seat 14 is located at the first middle part
On seat 16, the first middle part fixed seat 16 is located in head end fixed seat 18.
Adjacent fixed seat is detachably connected, preferably, adjacent fixed seat can be connected using bolt and flange.
The mouth of pipe horizontal alignment of the outlet side of the mouth of pipe of the outlet side of central tube and middle pipe.
It is of the present utility model to use：With reference to Fig. 1 and Fig. 2, plasma torch pipe is fixed on resonator by screw hole,
Plasma torch is set to be axially aligned with magnetic field maximum in resonator, plasma asistance gas is entered by the first air admission hole 28
Gap between central tube 24 and middle pipe 22, forms it into ellipse and cuts open under the electric field component of microwave and the component effect in magnetic field
The hollow plasma in face, this is the mode that commonly used a kind of plasma in emission spectrum is produced.Cooling gas passes through
The gap helical flow that second air admission hole 26 tangentially enters between outer tube 20 and middle pipe along inside pipe wall, due between outer tube and inner tube
Gap it is very small, so forming the cooling gas of high flow rate, cooling gas effectively constrains plasma, prevents outer tube 20 from burning
Melt.
Prepare liquid quality sample is atomized by the atomization system being connected with the bottom of central tube 24, and sample is carry after atomization
Aeresols plasma be directly injected into by central tube 24 excited.
The utility model is not limited to above-mentioned embodiment, if do not taken off to various changes or modification of the present utility model
From spirit and scope of the present utility model, if these are changed and modification belongs to claim of the present utility model and equivalent technologies
Within the scope of, then the utility model is also intended to comprising these changes and changed.
Claims (9)
1. a kind of removable Microwave Induced Plasma torch pipe, it is characterised in that including：
Three layers of quartz socket tube for forming and maintaining plasma torch, including the outer tube of fit, middle pipe and central tube successively；
Some fixed seats for fixing quartz socket tube, the fixed seat is provided with the central through hole for being used for installing quartz socket tube；
Three layers of quartz socket tube accordingly sequentially passes through some fixed seats；Adjacent fixed seat is detachably connected；Correspondence institute in one fixed seat
The mouth of pipe for stating the inlet end of middle pipe is provided with the first air admission hole, and the mouth of pipe of the inlet end of the correspondence outer tube is provided with another fixed seat
Second air admission hole.
2. removable Microwave Induced Plasma torch pipe according to claim 1, it is characterised in that the quartz socket tube
Outer wall is provided with positioning convex ring, and the fixed seat is provided with stopper slot；Adjacent fixed seat fixes a quartz socket tube jointly, adjacent solid
The positioning convex ring or mouth of pipe edge that reservation compresses the quartz socket tube by stopper slot fix quartz socket tube.
3. removable Microwave Induced Plasma torch pipe according to claim 2, it is characterised in that the positioning convex ring
Or/and stopper slot is provided with seal.
4. removable Microwave Induced Plasma torch pipe according to claim 2, it is characterised in that
The fixed seat is provided with fixed seat, head end fixed seat and end fixed seat in the middle part of four, including two；
The head end fixed seating is located at the central tube, and the end fixed seating is located at the outer tube；
Described two middle part fixed seats, including the first middle part fixed seat and the second middle part fixed seat；First middle part fixed seat
It is set on central tube and middle pipe, second middle part fixed seating is located on the middle pipe and outer tube；
The head end fixed seat compresses the positioning convex ring of the central tube with first middle part fixed seat；First middle part is solid
Reservation compresses the mouth of pipe edge and the convex of the middle pipe of the inlet end of the middle pipe with second middle part fixed seat respectively
Ring；Second middle part fixed seat compresses the mouth of pipe edge and the outer tube of the inlet end of the outer tube with the end fixed seat
Positioning convex ring.
5. removable Microwave Induced Plasma torch pipe according to claim 2, it is characterised in that along outer tube to central tube
Direction, fixed seat covers in next fixed seat successively.
6. removable Microwave Induced Plasma torch pipe according to claim 1, it is characterised in that adjacent fixed seat passes through
Bolt and flange connection.
7. removable Microwave Induced Plasma torch pipe according to claim 1, it is characterised in that three layers of quartz sleeve
The center overlapping of axles of pipe；The center overlapping of axles of the central through hole of some fixed seats.
8. removable Microwave Induced Plasma torch pipe according to claim 1, it is characterised in that the material of the fixed seat
Matter is polyformaldehyde or polytetrafluoroethylene (PTFE).
9. removable Microwave Induced Plasma torch pipe according to claim 4, it is characterised in that the central tube goes out
The mouth of pipe horizontal alignment of the outlet side of the mouth of pipe at gas end and the middle pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621378377.1U CN206618689U (en) | 2016-12-15 | 2016-12-15 | A kind of removable Microwave Induced Plasma torch pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621378377.1U CN206618689U (en) | 2016-12-15 | 2016-12-15 | A kind of removable Microwave Induced Plasma torch pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206618689U true CN206618689U (en) | 2017-11-07 |
Family
ID=60229352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621378377.1U Active CN206618689U (en) | 2016-12-15 | 2016-12-15 | A kind of removable Microwave Induced Plasma torch pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206618689U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064114A (en) * | 2016-12-15 | 2017-08-18 | 伊创仪器科技（广州）有限公司 | A kind of removable Microwave Induced Plasma torch pipe |
| CN110402008A (en) * | 2019-08-26 | 2019-11-01 | 贵州正业龙腾新材料开发有限公司 | A kind of cooling gas distributor suitable for high frequency plasma torch |
-
2016
- 2016-12-15 CN CN201621378377.1U patent/CN206618689U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064114A (en) * | 2016-12-15 | 2017-08-18 | 伊创仪器科技（广州）有限公司 | A kind of removable Microwave Induced Plasma torch pipe |
| CN110402008A (en) * | 2019-08-26 | 2019-11-01 | 贵州正业龙腾新材料开发有限公司 | A kind of cooling gas distributor suitable for high frequency plasma torch |
| CN110402008B (en) * | 2019-08-26 | 2024-02-06 | 贵州正业龙腾新材料开发有限公司 | Cooling gas distribution device suitable for high-frequency plasma torch |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 511450 No. 101, first floor, plant B2, Huachuang Animation Industrial Park, Jinshan Village, Shiji Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: ETRAN INSTRUMENT TECHNOLOGY (GUANGZHOU) CO.,LTD. Patentee after: Institute of testing and analysis, Guangdong Academy of Sciences (Guangzhou analysis and testing center, China) Address before: 511450 No. 101, first floor, plant B2, Huachuang Animation Industrial Park, Jinshan Village, Shiji Town, Panyu District, Guangzhou City, Guangdong Province Patentee before: ETRAN INSTRUMENT TECHNOLOGY (GUANGZHOU) CO.,LTD. Patentee before: GUANGDONG INSTITUTE OF ANALYSIS (CHINA NATIONAL ANALYTICAL CENTER, GUANGZHOU) Address after: 511450 No. 101, first floor, plant B2, Huachuang Animation Industrial Park, Jinshan Village, Shiji Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: ETRAN INSTRUMENT TECHNOLOGY (GUANGZHOU) CO.,LTD. Patentee after: GUANGDONG INSTITUTE OF ANALYSIS (CHINA NATIONAL ANALYTICAL CENTER, GUANGZHOU) Address before: 511450 No. 101, first floor, plant B2, Huachuang Animation Industrial Park, Jinshan Village, Shiji Town, Panyu District, Guangzhou City, Guangdong Province Patentee before: ETRAN INSTRUMENT TECHNOLOGY (GUANGZHOU) CO.,LTD. Patentee before: GUANGDONG INSTITUTE OF ANALYSIS |
|
| CP01 | Change in the name or title of a patent holder |