CN206627347U - Nitrogen evaporator and specimen inspection system - Google Patents
Nitrogen evaporator and specimen inspection system Download PDFInfo
- Publication number
- CN206627347U CN206627347U CN201720423000.1U CN201720423000U CN206627347U CN 206627347 U CN206627347 U CN 206627347U CN 201720423000 U CN201720423000 U CN 201720423000U CN 206627347 U CN206627347 U CN 206627347U
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- nitrogen evaporator
- steam
- dividing plate
- test tube
- nitrogen
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Abstract
The utility model discloses a kind of nitrogen evaporator and specimen inspection system, is related to nitrogen evaporator technical field.The nitrogen evaporator includes nitrogen evaporator body, test tube, blow needle and anti-steam dividing plate；Anti- steam dividing plate is arranged on the top of nitrogen evaporator body, for stop steam from nitrogen evaporator body to external diffusion；Test tube runs through anti-steam dividing plate, is arranged on the pallet of nitrogen evaporator body；Blow needle is arranged on above test tube, for purging invisible spectro sample liquid.Nitrogen evaporator of the present utility model, anti- steam dividing plate prevents the steam of the intrinsic hot water of nitrogen evaporator from diffusing up, steam is set not to be liquefied as the globule on blow needle, prevent from being contaminated sample because the globule drops onto in test tube, the globule can be liquefied as on blow needle by solving steam, the problem of being polluted after globule drippage to sample, there is the value for carrying out popularization and application.
Description
Technical field
Nitrogen evaporator technical field is the utility model is related to, more particularly to a kind of nitrogen evaporator and specimen inspection system.
Background technology
Nitrogen evaporator is widely used, in gas phase, liquid phase and mass spectral analysis, using inert gas, and usually nitrogen, to heating
Sample liquid is purged, and pending sample is concentrated rapidly, reaches the effect of fast separating and purifying.This method is easy to operate, especially
Multiple samples can be handled simultaneously, substantially reduce detection time, are widely used in the residual detection of agriculture, pharmaceutical industry and general ground
Sample batch processing in studying carefully.
The operation principle of nitrogen evaporator is that nitrogen rapidly, continuously, is controllably blown to heating sample surfaces, realizes a large amount of samples
Rapid concentration.It is generally made up of chassis, center-pole, Sample location frame and air distribution system etc..Test tube by locating rack spring and
Pallet is fixed, and there is Digital ID sample position.Gas reaches air distribution system by adjustable flow meter, then through elastic hose to each sample
Position needle-valve pipe, needle-valve pipe can adjust up and down respectively according to test tube size and quantity of solvent, and last gas blows to solution surface by syringe needle,
So that rapid solvent evaporation.
Traditional water-bath nitrogen evaporator has the drawbacks of larger.Before carrying out purging work, hot-water flooding is needed to enter nitrogen evaporator, to examination
Sample liquid in pipe is heated, and nitrogen is purged to invisible spectro heating sample liquid again, and the steam of hot water is liquefied as on blow needle
The globule, dropping onto in test tube can cause sample to pollute.
Utility model content
The purpose of this utility model is to provide a kind of nitrogen evaporator and specimen inspection system, to solve to exist in the prior art
Steam be liquefied as the globule on blow needle, drippage and the technical problem that is polluted to sample.
To achieve these goals, the utility model uses following technical scheme：
A kind of nitrogen evaporator provided by the utility model, including nitrogen evaporator body, test tube, blow needle and anti-steam dividing plate；
The anti-steam dividing plate is arranged on the top of the nitrogen evaporator body, for stopping steam by the nitrogen evaporator body
It is interior to external diffusion；
The test tube runs through the anti-steam dividing plate, is arranged on the pallet of the nitrogen evaporator body；
The blow needle is arranged on above the test tube, for purging the invisible spectro sample liquid.
Further, the test tube is movably arranged on the anti-steam dividing plate by fastening structure.
Further, the fastening structure includes body fixture and plate body fixture；
The body fixture is arranged on above the anti-steam dividing plate；
The plate body fixture is arranged on below the anti-steam dividing plate；
The body fixture is flexibly connected with the plate body fixture.
Further, the body fixture includes fixed seat, fixing button and fixed cover；
The fixed seat is ring-type；
The fixing button is movably arranged on the inwall of the fixed seat；
The fixed cover is fixedly installed on the fixed seat bottom；
Helicitic texture is provided with the outer wall of the fixed cover.
Further, it is provided with lock chamber in the fixed seat；
Corresponded on the inwall of the fixed seat and be provided with fixing hole at the lock chamber；
The fixing button is movably arranged in the fixing hole；
Elastic component is provided between the cavity wall of the fixing button and the lock chamber.
Further, the fixing button includes limiting section and press section；
The press section is cylindrical shape；
The press section is arranged in the side wall of the limiting section；
Also, the press section is arranged in the fixing hole.
Further, the full-size of the side for being provided with the press section of the limiting section, more than the fixing hole
Aperture；
The elastic component is arranged between the cavity wall of the limiting section and the lock chamber.
Further, the plate body fixture is ring-type；
Helicitic texture is provided with the inwall of the plate body fixture；
The plate body fixture is connected with the fixed cover by helicitic texture.
Further, in addition to it is arranged on the drainpipe of the nitrogen evaporator body bottom portion；
The drainpipe connects with the inside of the nitrogen evaporator body, for discharging the water of the nitrogen evaporator body interior.
The utility model also provides a kind of specimen inspection system, including nitrogen evaporator as the aforementioned.
Nitrogen evaporator provided by the utility model and specimen inspection system, the intrinsic hot water of nitrogen evaporator is to invisible spectro sample liquid
Being heated, blow needle blows nitrogen into test tube, and invisible spectro sample liquid is purged, and pending sample liquid is concentrated rapidly,
Fast separating and purifying goes out sample, and anti-steam dividing plate prevents the steam of the intrinsic hot water of nitrogen evaporator from diffusing up, and makes it will not be
The globule is liquefied as on blow needle, prevents from being contaminated sample because the globule drops onto in test tube, solving steam can be on blow needle
The globule is liquefied as, the problem of being polluted after globule drippage to sample, is adapted for popularization and application.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of overall structure diagram for nitrogen evaporator that the utility model embodiment one provides；
Fig. 2 is a kind of partial structural diagram for nitrogen evaporator that the utility model embodiment one provides；
Fig. 3 is a kind of partial structural diagram for nitrogen evaporator that the utility model embodiment one provides；
Fig. 4 is the structural representation of fastening structure in a kind of nitrogen evaporator that the utility model embodiment one provides.
Reference：
1- nitrogen evaporator bodies；2- test tubes；3- blow needles；
The anti-steam dividing plates of 4-；5- fastening structures；6- pallets；
7- drainpipes；51- body fixtures；52- plate body fixtures；
511- fixed seats；512- fixing buttons；513- fixed covers；
514- lock chambers；515- fixing holes；516- elastic components；
5121- limiting sections；5122- press sections.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation, the orientation of the instruction such as term " on ", " under ", " interior ", " outer " in description of the present utility model
Or position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of description the utility model and simplification is retouched
State, rather than instruction or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that to limitation of the present utility model.
, it is necessary to illustrate in description of the present utility model, unless otherwise clearly defined and limited, term " connection "
It should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion.For the ordinary skill in the art, it can understand above-mentioned term in the utility model with concrete condition
Concrete meaning.
Embodiment one：
In the alternative of the present embodiment, as shown in Figures 1 to 4, a kind of nitrogen evaporator that the present embodiment provides, including nitrogen
Blow instrument body 1, test tube 2, blow needle 3 and anti-steam dividing plate 4；
Anti- steam dividing plate 4 is arranged on the top of nitrogen evaporator body 1, for stop steam from nitrogen evaporator body 1 to extending out
Dissipate；
Test tube 2 runs through anti-steam dividing plate 4, is arranged on the pallet 6 of nitrogen evaporator body 1；
Blow needle 3 is arranged on the top of test tube 2, for purging the sample liquid in test tube 2.
Existing water-bath nitrogen evaporator, before purging work is carried out, hot-water flooding is needed to enter inside nitrogen evaporator, hot water is to test tube 2
Interior sample liquid is heated, and nitrogen is purged by blow needle 3 to the heating sample liquid in test tube 2 again, and the steam of hot water is on blow needle 3
The globule can be liquefied as, the globule, which is dropped onto in test tube 2, to cause sample to pollute.
In the present embodiment, the hot water in nitrogen evaporator body 1 heats to the sample liquid in test tube 2, and blow needle 3 is to test tube 2
Nitrogen is inside blowed, the sample liquid in test tube 2 is purged, pending sample liquid is concentrated rapidly, anti-steam dividing plate 4 prevents nitrogen from blowing
Steam caused by hot water in instrument body 1 diffuses up, and it is not liquefied as the globule on blow needle 3, so as to prevent because of water
Droplet falls in test tube 2 and sample is polluted.
Also, steam is liquefied as the globule on blow needle 3, it can also aggravate the corrosion of blow needle 3, the setting pair of anti-steam dividing plate 4
Prevent blow needle 3 is corroded from playing a significant role, extend the service life of blow needle 3.
In the alternative of the present embodiment, test tube 2 is movably arranged on anti-steam dividing plate 4 by fastening structure 5.
In the present embodiment, test tube 2 is arranged on the pallet 6 of nitrogen evaporator body 1, is substantially fixed, and sets anti-steaming
After air bound plate 4, it is further secured to by fastening structure 5 on anti-steam dividing plate 4, makes the position of test tube 2 more stable.
In the alternative of the present embodiment, fastening structure 5 includes body fixture 51 and plate body fixture 52；
Body fixture 51 is arranged on the anti-top of steam dividing plate 4；
Plate body fixture 52 is arranged on the anti-lower section of steam dividing plate 4；
Body fixture 51 is flexibly connected with plate body fixture 52.
In the present embodiment, the body fixture 51 of the anti-top of steam dividing plate 4 and the plate body of the anti-lower section of steam dividing plate 4 are fixed
Part 52 cooperates, and so as to which fastening structure 5 is integrally attached on anti-steam dividing plate 4, test tube 2, which runs through, is fixed on body fixture 51
On, so as to be fixed on anti-steam dividing plate 4, body fixture 51 and the collective effect of plate body fixture 52, ensure that test tube 2 with
The stabilization of relative position between anti-steam dividing plate 4.
In the alternative of the present embodiment, body fixture 51 includes fixed seat 511, fixing button 512 and fixed cover
513；
Fixed seat 511 is ring-type；
Fixing button 512 is movably arranged on the inwall of fixed seat 511；
Fixed cover 513 is fixedly installed on the bottom of fixed seat 511；
Helicitic texture is provided with the outer wall of fixed cover 513.
In the present embodiment, fixed cover 513 is arranged on anti-steam dividing plate 4 by the through hole on anti-steam dividing plate 4, anti-steaming
The position of through hole on air bound plate 4 and the position correspondence of test tube 2；Fixed seat 511 is fixedly connected on fixed cover 513, and test tube 2 passes through
It is through in fixed seat 511 and fixed cover 513；The fixing button 512 being movably arranged on the inwall of fixed seat 511 fixes test tube 2
In fixed seat 511.
In the alternative of the present embodiment, lock chamber 514 is provided with fixed seat 511；
Corresponded on the inwall of fixed seat 511 and fixing hole 515 is provided with lock chamber 514；
Fixing button 512 is movably arranged in fixing hole 515；
Elastic component 516 is provided between the cavity wall of fixing button 512 and lock chamber 514.
In the present embodiment, elastic component 516 is arranged in lock chamber 514, enables fixing button 512 in fixing hole 515
It is movable, so as to have the function that test tube 2 is clamped in fixed seat 511；Elastic component 516 is helical spring, shell fragment or rubber
Glue gasket etc..
In the alternative of the present embodiment, fixing button 512 includes limiting section 5121 and press section 5122；
Press section 5122 is cylindrical shape；
Press section 5122 is fixedly connected in the side wall of limiting section 5121；
Also, press section 5122 is arranged in fixing hole 515.
In the present embodiment, the press section 5122 of cylindrical shape is arranged in fixing hole 515, can be in fixing hole 515
It is movable；The size of press section 5122 adapts to the size of fixing hole 515, and the axis of the two overlaps；Limiting section 5121 is fixed
One end of press section 5122 is connected to, and limiting section 5121 is located in lock chamber 514, fixing hole is stretched out in limitation press section 5122
515 maximum length.
In the alternative of the present embodiment, the full-size of the side for being provided with press section 5122 of limiting section 5121,
More than the aperture of fixing hole 515；
Elastic component 516 is arranged between the cavity wall of limiting section 5121 and lock chamber 514.
In the present embodiment, limiting section 5121 is centrally located on the axis of press section 5122；The shape of limiting section 5121
For circle when, have a diameter larger than the diameter of fixing hole 515, stretch out stroke with play a part of limiting press section 5122；It is spacing
When being shaped as ellipse of portion 5121, the length of its major axis are more than the diameter of fixing hole 515；Being shaped as limiting section 5121 is square
When, its catercorner length is more than the diameter of fixing hole 515；When being shaped as rectangle of limiting section 5121, its catercorner length are more than
The diameter of fixing hole 515；When being shaped as other shapes of limiting section 5121, the maximum chi of its side being connected with press section 5122
The very little diameter more than fixing hole 515.
In the alternative of the present embodiment, plate body fixture 52 is ring-type；
Helicitic texture is provided with the inwall of plate body fixture 52；
Plate body fixture 52 is connected with fixed cover 513 by helicitic texture.
In the present embodiment, fixed cover 513 passes through the through hole on anti-steam dividing plate 4, and helicitic texture is provided with inwall
Plate body fixture 52 is connected with being provided with the fixed cover 513 of helicitic texture on outer wall so that fastening structure 5 is integrally attached to
On anti-steam dividing plate 4, play a part of further fixing test tube 2.
In the alternative of the present embodiment, in addition to it is arranged on the drainpipe 7 of the bottom of nitrogen evaporator body 1；
The drainpipe 7 connects with the inside of the nitrogen evaporator body 1, for discharging inside the nitrogen evaporator body 1
Water.
Existing nitrogen evaporator, draining is carried out without discharge structure at its bottom water storage, after purging, if directly picking up instrument
Pour, in view of instrument is connected with nitrogen cylinder, the limitation of the tracheae of body weight and body upper, pouring is extremely difficult, and hardly possible
Clean to topple over, waste water is retained then instrument internal can be caused to corrode for a long time, and steam is easier to be contaminated sample.
In the present embodiment, drainpipe 7 is provided with the bottom water storage of nitrogen evaporator body 1, can be by the water inside nitrogen evaporator
Easily drain only, avoid waste water corrosion nitrogen evaporator body 1, extend the service life of nitrogen evaporator.
Embodiment two：
In the alternative of the present embodiment, a kind of specimen inspection system of the present embodiment offer, including such as embodiment one
Described nitrogen evaporator.
In the present embodiment, sample liquid isolates and purifies to obtain sample after this nitrogen evaporator purging, then through other devices to sample
Detected.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of nitrogen evaporator, it is characterised in that including nitrogen evaporator body, test tube, blow needle and anti-steam dividing plate；
The anti-steam dividing plate is arranged on the top of the nitrogen evaporator body, for stop steam from the nitrogen evaporator body to
External diffusion；
The test tube runs through the anti-steam dividing plate, is arranged on the pallet of the nitrogen evaporator body；
The blow needle is arranged on above the test tube, for purging the invisible spectro sample liquid.
2. nitrogen evaporator according to claim 1, it is characterised in that the test tube is movably arranged on described by fastening structure
On anti-steam dividing plate.
3. nitrogen evaporator according to claim 2, it is characterised in that the fastening structure includes body fixture and plate body is consolidated
Determine part；
The body fixture is arranged on above the anti-steam dividing plate；
The plate body fixture is arranged on below the anti-steam dividing plate；
The body fixture is flexibly connected with the plate body fixture.
4. nitrogen evaporator according to claim 3, it is characterised in that the body fixture include fixed seat, fixing button and
Fixed cover；
The fixed seat is ring-type；
The fixing button is movably arranged on the inwall of the fixed seat；
The fixed cover is fixedly installed on the fixed seat bottom；
Helicitic texture is provided with the outer wall of the fixed cover.
5. nitrogen evaporator according to claim 4, it is characterised in that be provided with lock chamber in the fixed seat；
Corresponded on the inwall of the fixed seat and be provided with fixing hole at the lock chamber；
The fixing button is movably arranged in the fixing hole；
Elastic component is provided between the cavity wall of the fixing button and the lock chamber.
6. nitrogen evaporator according to claim 5, it is characterised in that the fixing button includes limiting section and press section；
The press section is cylindrical shape；
The press section is arranged in the side wall of the limiting section；
Also, the press section is arranged in the fixing hole.
7. nitrogen evaporator according to claim 6, it is characterised in that the side for being provided with the press section of the limiting section
Full-size, more than the aperture of the fixing hole；
The elastic component is arranged between the cavity wall of the limiting section and the lock chamber.
8. nitrogen evaporator according to claim 4, it is characterised in that the plate body fixture is ring-type；
Helicitic texture is provided with the inwall of the plate body fixture；
The plate body fixture is connected with the fixed cover by helicitic texture.
9. nitrogen evaporator according to claim 1, it is characterised in that also include the row for being arranged on the nitrogen evaporator body bottom portion
Water pipe；
The drainpipe connects with the inside of the nitrogen evaporator body, for discharging the water of the nitrogen evaporator body interior.
10. a kind of specimen inspection system, it is characterised in that including the nitrogen evaporator as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720423000.1U CN206627347U (en) | 2017-04-21 | 2017-04-21 | Nitrogen evaporator and specimen inspection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720423000.1U CN206627347U (en) | 2017-04-21 | 2017-04-21 | Nitrogen evaporator and specimen inspection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206627347U true CN206627347U (en) | 2017-11-10 |
Family
ID=60205543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720423000.1U Expired - Fee Related CN206627347U (en) | 2017-04-21 | 2017-04-21 | Nitrogen evaporator and specimen inspection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206627347U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397171A (en) * | 2022-01-26 | 2022-04-26 | 石家庄市畜产品和兽药饲料质量检测中心 | Nitrogen blowing instrument for detecting veterinary drug residues in eggs |
| CN115993284A (en) * | 2023-03-24 | 2023-04-21 | 成都圣恩生物科技股份有限公司 | Nitrogen blowing instrument |
-
2017
- 2017-04-21 CN CN201720423000.1U patent/CN206627347U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397171A (en) * | 2022-01-26 | 2022-04-26 | 石家庄市畜产品和兽药饲料质量检测中心 | Nitrogen blowing instrument for detecting veterinary drug residues in eggs |
| CN114397171B (en) * | 2022-01-26 | 2024-02-02 | 石家庄市畜产品和兽药饲料质量检测中心 | Detect remaining nitrogen of egg traditional chinese medicine animal remedy and blow appearance |
| CN115993284A (en) * | 2023-03-24 | 2023-04-21 | 成都圣恩生物科技股份有限公司 | Nitrogen blowing instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171110 Termination date: 20180421 |
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| CF01 | Termination of patent right due to non-payment of annual fee |