CN110274814A - A kind of automatic nitrogen evaporator - Google Patents
A kind of automatic nitrogen evaporator Download PDFInfo
- Publication number
- CN110274814A CN110274814A CN201910662571.4A CN201910662571A CN110274814A CN 110274814 A CN110274814 A CN 110274814A CN 201910662571 A CN201910662571 A CN 201910662571A CN 110274814 A CN110274814 A CN 110274814A
- Authority
- CN
- China
- Prior art keywords
- conical tubes
- nitrogen
- constant volume
- tube
- movable plate
- 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
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 58
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 239000002699 waste material Substances 0.000 claims abstract description 11
- 238000007664 blowing Methods 0.000 claims abstract description 5
- 238000012360 testing method Methods 0.000 claims description 15
- 239000012085 test solution Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/4022—Concentrating samples by thermal techniques; Phase changes
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention designs chemical analysis device field, in particular to a kind of automatic nitrogen evaporator.Including conical tubes, waste liquid collecting box, bracket, mobile mechanism, the waste liquid collecting box is set to bracket rear portion, the rack plate is passed through by 3 bye-passes, 3 bye-pass can rotate, 3 bye-pass is followed successively by nitrogen blowpipe, constant volume tube, counter-tube, the rack plate is connected to bottom surface fixed plate by 2 support columns, the both ends of movable plate and the guiding axis that guiding axis passes through the mobile mechanism are fixedly connected with the rack plate and bottom surface fixed plate respectively, ball-screw one and the movable plate are cooperatively connected, the motor one is fixed at the movable plate top, and the angular wheel two is cooperatively connected with the angular wheel one.The present invention realize automation nitrogen blow, constant volume, calibration, avoid laboratory technician's craft nitrogen from blowing bring large error, can be improved efficiency, environment protecting is good.It is worth with market potential.
Description
Technical field
The present invention relates to chemical analysis device field, in particular to a kind of automatic nitrogen evaporator.
Background technique
In general, nitrogen evaporator is made of heating device, sample fixing device and feeder three parts.Nitrogen is by gas supply
It after device, is blown into the sample container for being fixed on sample fixing device, is made organic in sample in sample container by gas-guide tube
Solvent volatilizees rapidly, to realize the concentration to sample.
When the fields such as food, environment carry out analysis measurement, need to carry out nitrogen purging concentrated extracting solution, at present on the market
Nitrogen blowing apparatus is mostly that test tube and nitrogen blowpipe relative position are fixed, and testing staff is needed to observe and adjust at any time during nitrogen is blown
The height of whole nitrogen blowpipe, adjusts the flow of nitrogen.It is easy to appear nitrogen in the process and blows solvent drying phenomenon, there is volatilization during nitrogen is blown
Solvent (n-hexane, methanol etc.) is harmful to the human body.
Summary of the invention
For the defect that the artificial nitrogen for solving to mention in background technique is blown, invention demonstrates a method a kind of automatic nitrogen evaporators.
To achieve the above object, it is as follows now to provide technical solution:
A kind of automatic nitrogen evaporator, including conical tubes, waste liquid collecting box, bracket, mobile mechanism, the waste liquid collecting box are set
It is placed in bracket rear portion, the rack plate is passed through by 3 pipelines, and 3 pipelines can rotate, and 3 bye-pass is successively
For nitrogen blowpipe, constant volume tube, counter-tube, the rack plate is connected to bottom surface fixed plate by 2 support columns, and guiding axis passes through described
The both ends of the movable plate of mobile mechanism and the guiding axis are fixedly connected with the rack plate and bottom surface fixed plate respectively, rolling
Ballscrew one and the movable plate are cooperatively connected, and the both ends of the ball-screw one are respectively fixedly connected with the rack plate and bottom
Face fixed plate, the ball-screw one are connected with angular wheel one, and angular wheel two is connect with motor one, and the motor one is fixed
Setting is on the movable plate top, and the angular wheel two and the angular wheel one are cooperatively connected, and the movable plate is set
It is equipped with track, the test tube fixed frame of the mobile mechanism is moved along the track, and the bottom of the test tube fixed frame, which is provided with, to be added
Hot box, the bottom surface of the heating box and the track cooperate, and the heating box is passed through by ball-screw two, the ball-screw two
Connection is connect with motor two, and the motor two is fixed at the movable plate top, and the conical tubes are fixed on the shifting
Inside the fixed frame of motivation structure.
Further, further include ultrasonic level gage, the ultrasonic level gage be arranged at the top of the conical tubes with
The fixed frame is mutually fixedly connected.
Further, the model NU200F18TR-I-300 of the ultrasonic level gage.
It further, further include electric cabinet, the electric cabinet is arranged in the movable plate top, the ultrasonic level gage
It is electrically connected with the electric cabinet, the motor one and motor two are electrically connected with the electric cabinet.
Further, a kind of automatic nitrogen evaporator, further comprising the steps of:
Step 1: the conical tubes are moved to right end nitrogen blowpipe lower part, the conical tubes are moved upward to nitrogen blowpipe
0.8-1.2 centimetres of liquid level of liquid of the nose end in conical tubes, the nitrogen blowpipe works nitrogen blowing, taper examination
Pipe moves up 0.8-1.2 centimetres of liquid level for being maintained at liquid of the nose end in conical tubes;
Step 2: declining the conical tubes after the completion of nitrogen blows work, the conical tubes are moved under the constant volume tube
Portion, the constant volume tube is to the test solution constant volume in conical tubes;
Step 3: using different test solutions to when constant volume, rotation constant volume tube keeps the nozzle direction of constant volume tube useless in conical tubes
Liquid collecting box cleans constant volume tube with the test solution of required constant volume;
Step 4: the conical tubes are moved to the counter-tube lower part, the counter-tube is to examination in the conical tubes
Liquid calibration;
Step 5: the conical tubes are moved to left end, cover aluminium-foil paper and be sealed.
Beneficial effects of the present invention:
1, a kind of automatic nitrogen evaporator of the invention, realize automation nitrogen blow, constant volume, calibration, avoid inspector's craft nitrogen from blowing
Bring large error avoids the harm to volatile materials to human body, can be improved efficiency, the use of waste liquid collecting box, more
Add environmental protection,.
2, a kind of automatic nitrogen evaporator of the invention, innovative the using of the present invention fix pipeline, pass through mobile conical tubes
Journey is blown over to complete automation nitrogen, is fixed with test tube, the structure of feeder transformation is compared, more saving cost, facilitates maintenance.
Detailed description of the invention
Fig. 1 is a kind of automatic nitrogen evaporator schematic perspective view;
Fig. 2 is that a kind of conical tubes of automatic nitrogen evaporator take out and are connected with the structural schematic diagram of reagent bottle;
Fig. 3 is a kind of circuit block diagram of automatic nitrogen evaporator.
Specific embodiment
To make the more clear and clear the present invention program of those skilled in the art, with reference to the accompanying drawing to the technology of the present invention side
Case is described in detail, and embodiments of the present invention are not limited thereto.
Such as Fig. 1-3, a kind of automatic nitrogen evaporator, including conical tubes 1, waste liquid collecting box 2, bracket 3, mobile mechanism 4 are also wrapped
Electric cabinet 6 is included, the waste liquid collecting box 2 is set to 3 rear portion of bracket, and the rack plate 31 is passed through by 3 bye-passes, and described 3
A pipeline can rotate, and 3 bye-pass is followed successively by nitrogen blowpipe 32, constant volume tube 33, counter-tube 34, when needing detergent line
Pipeline is rotated, so that the nozzle of pipeline is directed at waste liquid collecting box 2, is cleaned using test solution;The rack plate 31 is by 2 branch
Dagger 35 is connected to bottom surface fixed plate 36, and guiding axis 37 passes through the two of the movable plate of the mobile mechanism and the guiding axis 37
End is fixedly connected with the rack plate 31 and bottom surface fixed plate 36 respectively, and ball-screw 1 and the movable plate 42 cooperation connect
It connects, the both ends of the ball-screw 1 are respectively fixedly connected with the rack plate 3 and bottom surface fixed plate 36, the ball-screw
One 41 are connected with angular wheel 1, and angular wheel 2 44 is connect with motor 1, and the motor 1 is fixed at institute
42 top of movable plate is stated, and the angular wheel 2 44 and the angular wheel 1 are cooperatively connected, angular wheel is used to change
Become the direction of movement, motor 1 drives a pair of of angular wheel, and angular wheel 1 drives ball-screw 1 to realize movable plate
42 up and down motion;The movable plate 42 is provided with track 46, and the test tube fixed frame 47 of the mobile mechanism 4 is along the track 46
Movement, the bottom of the test tube fixed frame 47 is provided with heating box 48, be provided in the heating box 48 heater strip and with it is automatically controlled
Case 6 is electrically connected, and the bottom surface of the heating box 48 and the track 46 cooperate, and the heating box 48 is passed through by ball-screw 2 49,
The connection of ball-screw 2 49 is connect with motor 2 451, and the motor 2 451 is fixed at 42 top of movable plate,
Motor 2 451 drives ball-screw 2 49, and ball-screw 2 49 drives heating box 48 to realize 1 side-to-side movement of conical tubes, described
Conical tubes 1 are fixed on inside the test tube fixed frame 47 of the mobile mechanism 4, the fixed conical tubes 1 of the test tube fixed frame 47
Two clips 470 can open take out conical tubes 1.It further include ultrasonic level gage 5, the ultrasonic level gage 5 is set
It sets and is fixedly connected at 1 top of conical tubes with 47 phase of test tube fixed frame.The model of the ultrasonic level gage 5
NU200F18TR-I-300.The setting of electric cabinet 6 is in 42 top of movable plate, the ultrasonic level gage 5 and the electricity
It controls case 6 to be electrically connected, the motor 1 and motor 2 451 are electrically connected with the electric cabinet 6.
The nitrogen blowpipe is connected with pump 1, and the constant volume tube is connected with pump 2 322, and the counter-tube is connected with pump three
323, the pump 1 is connected with nitrogen cylinder 325 and is electrically connected with electric cabinet 6;The pump 2 322 is connected with multiple directional control valve
It 324 and is electrically connected with electric cabinet 6, the multiple directional control valve 324 is connected from different solution reagent bottles 326 of determining, and the multichannel is changed
It is electrically connected to valve 324 with electric cabinet 6, multiple directional control valve 324 can switch over plurality of reagents;The pump 3 323 and calibration
Liquid reagent bottle 327 is connected and is electrically connected with electric cabinet 6.
A kind of automatic nitrogen evaporator, is tested using following steps:
Step 1: electric cabinet 6 controls motor 2 451, motor 2 451 drives ball-screw 2 41,2 41 band of ball-screw
It moves the conical tubes 1 and is moved to 32 lower part of right end nitrogen blowpipe, the test tube fixed frame 47 that conical tubes 1 can also be moved with hand push makes to bore
Shape test tube 1 is moved to 1 lower part of nitrogen blowpipe, and ultrasonic level gage 5 identifies that liquid level, electric cabinet 6 control the motor 1,
The motor 1 controls the ball-screw 1, make the conical tubes 1 be moved upward to the nose end of nitrogen blowpipe 32 away from
0.8-1.2 centimetres of liquid level from the liquid in conical tubes 1, the control of electric cabinet 6 pump 1,32 nitrogen flushing of nitrogen blowpipe
Gas;Under the control of electric cabinet 6, conical tubes 1 move up the liquid level for being maintained at liquid of the nose end in conical tubes 1 automatically
0.8-1.2 centimetres of height, the conical tubes 1 can also be manually controlled and moved up;
Step 2: ultrasonic level gage 5 detects preset liquid level, the control pump of electric cabinet 6 one 321, motor
One 450 stop, after the completion of nitrogen blows work, the decline automatically of conical tubes 1, the conical tubes 1 under the control of electric cabinet 6
It is moved to 33 lower part of constant volume tube, the conical tubes 1 can also be moved manually and declined, then manually controls the taper examination
Pipe 1 is moved to 33 lower part of constant volume tube.
Step 3: using different test solutions to when constant volume, electric cabinet 6 controls multiple directional control valve 324 to needs in conical tubes 1
Reagent bottle interface, electric cabinet 6 control pump 2 322, rotation constant volume tube make the nozzle of constant volume tube 33 towards waste liquid collecting box, use institute
The test solution of constant volume is needed to clean constant volume tube;Constant volume tube is gone back to original position, constant volume tube 33 surpasses to the test solution constant volume in conical tubes 1
Sonic liquid-level meter detects preset height, and constant volume is completed;
Step 4: the conical tubes 1 are moved to 34 lower part of counter-tube and can also control manually under the control of electric cabinet 6
It makes the conical tubes 1 and is moved to 34 lower part of counter-tube, the counter-tube 34 is to test solution calibration in the conical tubes 1;
Step 5: the conical tubes 1 are moved to left end, cover aluminium-foil paper and be sealed.
Further, the conical tubes 1 can change common test tube into.It is carried out due to being frequently necessary to multiple groups in checkout procedure
Nitrogen is blown, therefore be can be used and covered this equipment more, such as 6 sets, 12 sets, 24 sets are worked at the same time.
The above is only most preferred embodiment of the invention, not to any type of limitation of the invention, is appointed
What those skilled in the art, without deviating from the scope of the technical scheme of the present invention using the method for the disclosure above and
Many possible changes and modifications that content makes the present invention, are all within the protection scope of the claims.
Claims (5)
1. a kind of automatic nitrogen evaporator, it is characterised in that: described useless including conical tubes, waste liquid collecting box, bracket, mobile mechanism
Liquid collecting box is set to bracket rear portion, and the rack plate is passed through by 3 bye-passes, and 3 bye-pass can rotate, and described 3
Bye-pass is followed successively by nitrogen blowpipe, constant volume tube, counter-tube, and the rack plate is connected to bottom surface fixed plate by 2 support columns, guiding
Axis pass through the mobile mechanism movable plate and the guiding axis both ends respectively with the rack plate and bottom surface fixed plate
It is fixedly connected, ball-screw one and the movable plate are cooperatively connected, and the both ends of the ball-screw one are respectively fixedly connected with described
Rack plate and bottom surface fixed plate, the ball-screw one are connected with angular wheel one, and angular wheel two is connect with motor one, institute
It states motor one and is fixed at the movable plate top, and the angular wheel two and the angular wheel one are cooperatively connected,
The movable plate is provided with track, and the test tube fixed frame of the mobile mechanism is moved along the track, the test tube fixed frame
Bottom is provided with heating box, and the bottom surface of the heating box and the track cooperate, and the heating box is passed through by ball-screw two, institute
It states the connection of ball-screw two to connect with motor two, the motor two is fixed at the movable plate top, the conical tubes
It is fixed on inside the fixed frame of the mobile mechanism.
2. a kind of automatic nitrogen evaporator according to claim 1, it is characterised in that: it further include ultrasonic level gage, it is described super
Sonic liquid-level meter setting is mutually fixedly connected at the top of the conical tubes with the fixed frame.
3. a kind of automatic nitrogen evaporator according to claim 2, it is characterised in that: the model of the ultrasonic level gage
NU200F18TR-I-300。
4. a kind of automatic nitrogen evaporator according to claim 1 or 2, it is characterised in that: it further include electric cabinet, the electric cabinet
Be arranged on the movable plate top, the ultrasonic level gage is electrically connected with the electric cabinet, the motor one and motor two and
The electric cabinet electrical connection.
5. a kind of automatic nitrogen evaporator according to claim 1, which is characterized in that further comprising the steps of:
Step 1: the conical tubes are moved to right end nitrogen blowpipe lower part, the conical tubes are moved upward to the pipe of nitrogen blowpipe
0.8-1.2 centimetres of liquid level of the liquid of mouthful end in conical tubes, the nitrogen blowpipe work nitrogen blowing, on conical tubes
Move 0.8-1.2 centimetres of liquid level for being maintained at liquid of the nose end in conical tubes;
Step 2: declining the conical tubes after the completion of nitrogen blows work, the conical tubes are moved to the constant volume tube lower part,
The constant volume tube is to the test solution constant volume in conical tubes;
Step 3: using different test solutions to when constant volume, rotation constant volume tube receives the nozzle of constant volume tube towards waste liquid in conical tubes
Header cleans constant volume tube with the test solution of required constant volume;
Step 4: the conical tubes are moved to the counter-tube lower part, the counter-tube is fixed to test solution in the conical tubes
Mark;
Step 5: the conical tubes are moved to left end, cover aluminium-foil paper and be sealed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910662571.4A CN110274814B (en) | 2019-07-22 | 2019-07-22 | Automatic nitrogen blowing instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910662571.4A CN110274814B (en) | 2019-07-22 | 2019-07-22 | Automatic nitrogen blowing instrument |
Publications (2)
Publication Number | Publication Date |
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CN110274814A true CN110274814A (en) | 2019-09-24 |
CN110274814B CN110274814B (en) | 2024-02-23 |
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Family Applications (1)
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CN201910662571.4A Active CN110274814B (en) | 2019-07-22 | 2019-07-22 | Automatic nitrogen blowing instrument |
Country Status (1)
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CN (1) | CN110274814B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110711617A (en) * | 2019-10-30 | 2020-01-21 | 松塔知识产权运营武汉有限公司 | Heating system for continuous inspection operation |
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-
2019
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Title |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110711617A (en) * | 2019-10-30 | 2020-01-21 | 松塔知识产权运营武汉有限公司 | Heating system for continuous inspection operation |
CN110711617B (en) * | 2019-10-30 | 2020-09-01 | 浙江达普生物科技有限公司 | Heating system for continuous inspection operation |
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