CN103884575A - Hot air nitrogen blowing instrument - Google Patents
Hot air nitrogen blowing instrument Download PDFInfo
- Publication number
- CN103884575A CN103884575A CN201410122464.XA CN201410122464A CN103884575A CN 103884575 A CN103884575 A CN 103884575A CN 201410122464 A CN201410122464 A CN 201410122464A CN 103884575 A CN103884575 A CN 103884575A
- Authority
- CN
- China
- Prior art keywords
- temperature
- temperature sensor
- hot blast
- nitrogen evaporator
- gas
- 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.)
- Pending
Links
Images
Abstract
The invention discloses a hot air nitrogen blowing instrument. The hot air nitrogen blowing instrument comprises an air distributing device, a heating device, a sample positioning frame and a temperature sensor, wherein the heating device is mounted at an outlet of the air distributing device; the heating device and the sample positioning frame are connected through an air circuit; a temperature sensor is arranged when the sample positioning frame is connected so as to detect the temperature of air in the sample positioning frame; the temperature sensor and the heating device are connected through an electric wire; a first temperature threshold and a second temperature threshold are set for the temperature sensor in advance; the temperature sensor is used for comparing a measured temperature with the first temperature threshold and the second temperature threshold to control the on and off of the heating device. By adjusting and controlling the temperature of supplied air, the aim of drying and heating in one time is achieved by the hot air nitrogen blowing instrument, thereby omitting a heating plate and a water bath kettle of a conventional water bath type nitrogen blowing instrument and improving the working efficiency.
Description
Technical field
The present invention relates to a kind of drying device, relate in particular to a kind of hot blast Nitrogen evaporator.
Background technology
Sample concentration is the problem that each chemistry laboratory will relate to.In the past, be mainly to adopt Rotary Evaporators to concentrate, still, adopt Rotary Evaporators to concentrate shortcoming obvious: concentrated speed is slow, troublesome poeration, is especially not suitable for sample in a small amount.In the case, Nitrogen evaporator arises at the historic moment, it has not only solved all shortcomings that adopt Rotary Evaporators, be particularly useful for multiple in a small amount samples, and for the sample that even needs cooling concentration that can not heat, can only be suitable for especially Nitrogen evaporator and concentrate, therefore, what it became each chemistry laboratory must join instrument.At present, the extract sample that Nitrogen evaporator is mainly used in containing organic solvent concentrated, can the multiple samples of single treatment.Nitrogen evaporator is for accelerating the volatilization of water, toluene, methyl alcohol, acetone equal solvent, and it is widely used in the fields such as food security, medicine, Detecting Pesticide, clinical medicine generation.
Conventionally, Nitrogen evaporator is made up of heating arrangement, sample positioning device and feeder three parts.Nitrogen or air, after feeder is adjusted flow, are blown into the sampling receptacle that is fixed on sample positioning device and is placed in heating arrangement by gas blow pipe, the organic solvent in sample in sampling receptacle is volatilized rapidly, thereby realize concentrating sample.
The heating arrangement of known Nitrogen evaporator mainly contains two types: electric heating block heating and heating water bath.No matter be adopt electric heating block heating or adopt heating water bath, Nitrogen evaporator is all that nitrogen or air are blown into sample positioning device by gas blow pipe, and the Main Function of nitrogen and air is to dry up sample; In addition, utilizing heating arrangement, i.e. electric heating block heating or heating water bath, be placed in heating arrangement inside by sample, to reach the object of heating.At present, traditional Nitrogen evaporator is all by heating and dries up separately and carry out, and has so both wasted resource, has also reduced the efficiency of work.
Therefore, those skilled in the art is devoted to develop a kind of heating and dries up one step completed hot blast Nitrogen evaporator.
Summary of the invention
Because the above-mentioned defect of prior art, technical matters to be solved by this invention is to provide a kind of heating and dries up one step completed hot blast Nitrogen evaporator.
For achieving the above object, the invention provides a kind of hot blast Nitrogen evaporator, comprise air distributing device, heating arrangement and Sample location frame; It is characterized in that, described hot blast Nitrogen evaporator also comprises temperature sensor;
Described air distributing device is for generation of source of the gas;
Described heating arrangement is arranged on the exit of described air distributing device, for heating described source of the gas;
Between described heating arrangement and described Sample location frame, be connected by gas circuit; Described temperature sensor is installed on the link position of described gas circuit and described Sample location frame, the temperature of the described source of the gas while entering described Sample location frame for measuring.
Further, between described temperature sensor and described heating arrangement, be connected by sensing circuit.
Further, described temperature sensor is preset the first temperature threshold and the second temperature threshold; The first temperature threshold is greater than the second temperature threshold
Further, when the temperature of described temperature sensor measurement exceedes described the first temperature threshold, cut off the power supply of described heating arrangement by described sensing circuit; When the temperature of described temperature sensor measurement is during lower than described the second temperature threshold, open the power supply of described heating arrangement by described sensing circuit.
Further, described heating arrangement is gas heater.
Further, described Sample location frame comprises upper platen, lower platen and support bar.
Further, described support bar is hollow stainless-steel tube.
Further, described sensing circuit and described gas circuit are all positioned at described support bar.
A kind of hot blast Nitrogen evaporator of the present invention, utilizes and increases a set of heating arrangement at air distributing device place, is reached and is dried up the one step completed object of heating by the adjusting control to air inlet gas temperature.Hot blast Nitrogen evaporator of the present invention has been removed heating plate and the water-bath of traditional water-bath type Nitrogen evaporator, has improved work efficiency.
Below with reference to accompanying drawing, the technique effect of design of the present invention, concrete structure and generation is described further, to understand fully object of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of hot blast Nitrogen evaporator of the present invention;
Fig. 2 is the schematic diagram of the gas heater of a kind of hot blast Nitrogen evaporator of the present invention
Fig. 3 is the structural representation of the upper platen of the sample locating rack of a kind of hot blast Nitrogen evaporator of the present invention;
Fig. 4 is the structural representation of the lower platen of the sample locating rack of a kind of hot blast Nitrogen evaporator of the present invention;
Fig. 5 is the fundamental diagram of a kind of hot blast Nitrogen evaporator of the present invention;
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated: the present embodiment is implemented under with technical solution of the present invention prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, hot blast Nitrogen evaporator of the present invention comprises air distributing device, heating arrangement 1, temperature sensor 2 and Sample location frame.Air distributing device provides the source of the gas containing nitrogen according to concrete needs; Heating arrangement 1, for thermal source is provided, supplements the heat of organic solvent in vaporation-type loss; Sample location frame, for the treatment of sample solvent, in this preferred embodiment, adopts the Sample location frame of dry type Nitrogen evaporator.Temperature sensor 2 is arranged on the air source inlet place of Sample location frame, and it is connected by sensing circuit 3 with heating arrangement 1, for measuring the temperature of the source of the gas that enters into Sample location frame place.Preset the first temperature threshold and second temperature threshold of temperature sensor 2, temperature sensor 2 is controlled heating arrangement by the first temperature threshold and the second temperature threshold and is heated.
Air distributing device is sent to source of the gas in heating arrangement 1 by air intake opening 4, heating arrangement heating source of the gas, and by gas circuit 5, the source of the gas of heating is passed to Sample location frame; Temperature sensor 2 is measured the temperature of the source of the gas that enters into Sample location frame, and by the gas source temperature of measurement and the first temperature threshold and the second temperature threshold are compared, controls the switch of heating arrangement.
In a preferred embodiment of the present invention, heating arrangement 1 adopts gas heater, as shown in Figure 2.Temperature sensor, by the gas source temperature of measurement and temperature threshold are compared, is controlled the power supply of gas heater.
The Sample location frame that Sample location frame adopts dry type Nitrogen evaporator to adopt, comprises upper platen 61, lower platen 62 and support bar 63.Upper platen 61, lower platen 62 and support bar 63 are stainless steel.The structure of the upper platen 61 of Sample location frame as shown in Figure 3, has 24 3cm*3cm pores on upper platen 61, pore is to arrange according to the array of 4*6, and equal corresponding air orifice needle that is provided with on each pore.The Outside Dimensions 20cm*13cm of upper platen 61, thickness is 1.2cm, and its outside has plastic-blasting figure layer warming.Support bar 63 is a hollow stainless pipe or square tube.Comprise three pipelines in the inside of support bar 63: one is the gas circuit 5 of the source of the gas that heats for delivery of heating arrangement 1; One is sensing circuit 3, and its one end is connected with heating arrangement 1, and the other end is connected with temperature sensor 2; One is the power lead of temperature sensor 2.These three pipelines from bottom to top, finally pass from the top of support bar 63.The structure of the lower platen 62 of Sample location frame as shown in Figure 4, lower platen 62 is that an Outside Dimensions is the stainless steel box that 25cm*15cm, thickness are 7cm, front comprises control panel, end face is a corrosion resistant plate, the aperture that its surface has 24 3cm*3cm matrixes to arrange, aperture 0.5cm, and corresponding one by one with the air orifice needle of upper table surface.
The inside of hot blast Nitrogen evaporator of the present invention is to operate according to the situation shown in Fig. 5:
Open air distributing device, gas heater 1 and temperature sensor 2, air distributing device produces source of the gas, and regulates suitable airshed; According to actual needs, set the heating-up temperature of gas heater 1; Temperature sensor 2 is set the first temperature threshold and the second temperature threshold; Then sample is processed until processing finishes.In processing procedure, in the time being positioned at the temperature sensor 2 at Sample location frame place and measuring gas source temperature higher than the first temperature threshold, temperature sensor 2 cuts off the power supply of gas heater 1 by sensing circuit 3; Source of the gas starts slowly to lower the temperature; In the time that temperature sensor 2 is measured gas source temperature lower than the second temperature threshold, temperature sensor 2 is opened the power supply of gas heater 1 by sensing circuit 3.
More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that this area just can design according to the present invention be made many modifications and variations without creative work.Therefore, all technician in the art, all should be in by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (8)
1. a hot blast Nitrogen evaporator, comprises air distributing device, heating arrangement and Sample location frame; It is characterized in that, described hot blast Nitrogen evaporator also comprises temperature sensor;
Described air distributing device is for generation of source of the gas;
Described heating arrangement is arranged on the exit of described air distributing device, for heating described source of the gas;
Between described heating arrangement and described Sample location frame, be connected by gas circuit; Described temperature sensor is installed on
The link position of described gas circuit and described Sample location frame, the temperature of the described source of the gas while entering described Sample location frame for measuring.
2. hot blast Nitrogen evaporator as claimed in claim 1, wherein, is connected by sensing circuit between described temperature sensor and described heating arrangement.
3. hot blast Nitrogen evaporator as claimed in claim 1, wherein, described temperature sensor is preset the first temperature threshold and the second temperature threshold; The first temperature threshold is greater than the second temperature threshold.
4. hot blast Nitrogen evaporator as claimed in claim 3, wherein, when the temperature of described temperature sensor measurement exceedes described the first temperature threshold, cuts off the power supply of described heating arrangement by described sensing circuit; When the temperature of described temperature sensor measurement is during lower than described the second temperature threshold, open the power supply of described heating arrangement by described sensing circuit.
5. hot blast Nitrogen evaporator as claimed in claim 1, wherein, described heating arrangement is gas heater.
6. hot blast Nitrogen evaporator as claimed in claim 1, wherein, described Sample location frame comprises upper platen, lower platen and support bar.
7. hot blast Nitrogen evaporator as claimed in claim 6, wherein, described support bar is hollow stainless-steel tube.
8. hot blast Nitrogen evaporator as claimed in claim 7, wherein, described sensing circuit and described gas circuit are all positioned at described support bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410122464.XA CN103884575A (en) | 2014-03-28 | 2014-03-28 | Hot air nitrogen blowing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410122464.XA CN103884575A (en) | 2014-03-28 | 2014-03-28 | Hot air nitrogen blowing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103884575A true CN103884575A (en) | 2014-06-25 |
Family
ID=50953594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410122464.XA Pending CN103884575A (en) | 2014-03-28 | 2014-03-28 | Hot air nitrogen blowing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103884575A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280289A (en) * | 2014-10-10 | 2015-01-14 | 中国科学院生态环境研究中心 | Adjustable sample positioning rack for nitrogen blowing instrument |
| CN107560927A (en) * | 2017-10-13 | 2018-01-09 | 苏州市苏测检测技术有限公司 | Efficient nitrogen evaporator |
| CN108680426A (en) * | 2018-05-16 | 2018-10-19 | 天津博纳艾杰尔科技有限公司 | A kind of nitrogen evaporator |
| CN111537325A (en) * | 2020-06-17 | 2020-08-14 | 中检(河南)计量检测有限公司 | Calibration method of water bath nitrogen blowing instrument |
| CN111929143A (en) * | 2020-07-31 | 2020-11-13 | 山东省药学科学院 | Nitrogen blows appearance with control by temperature change needle tubing that blows |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011133383A2 (en) * | 2010-04-22 | 2011-10-27 | Bolt N.V. | Methods and apparatus for determination of halohydrocarbons |
| CN203164043U (en) * | 2013-02-07 | 2013-08-28 | 天津奥顺达科技有限公司 | Sample preparation instrument |
| CN203241285U (en) * | 2013-04-22 | 2013-10-16 | 黑龙江省乳品工业技术开发中心 | Full automatic pressure blowing concentrator |
| CN204027909U (en) * | 2014-03-28 | 2014-12-17 | 云南省农业科学院农业环境资源研究所 | A kind of hot blast Nitrogen evaporator |
-
2014
- 2014-03-28 CN CN201410122464.XA patent/CN103884575A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011133383A2 (en) * | 2010-04-22 | 2011-10-27 | Bolt N.V. | Methods and apparatus for determination of halohydrocarbons |
| CN203164043U (en) * | 2013-02-07 | 2013-08-28 | 天津奥顺达科技有限公司 | Sample preparation instrument |
| CN203241285U (en) * | 2013-04-22 | 2013-10-16 | 黑龙江省乳品工业技术开发中心 | Full automatic pressure blowing concentrator |
| CN204027909U (en) * | 2014-03-28 | 2014-12-17 | 云南省农业科学院农业环境资源研究所 | A kind of hot blast Nitrogen evaporator |
Non-Patent Citations (1)
| Title |
|---|
| 周守毅 等: "旋涡氮吹浓缩法用于浓缩OCL和PCB1260影响实验研究", 《环境科学导刊》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280289A (en) * | 2014-10-10 | 2015-01-14 | 中国科学院生态环境研究中心 | Adjustable sample positioning rack for nitrogen blowing instrument |
| CN107560927A (en) * | 2017-10-13 | 2018-01-09 | 苏州市苏测检测技术有限公司 | Efficient nitrogen evaporator |
| CN108680426A (en) * | 2018-05-16 | 2018-10-19 | 天津博纳艾杰尔科技有限公司 | A kind of nitrogen evaporator |
| CN108680426B (en) * | 2018-05-16 | 2021-12-24 | 天津博纳艾杰尔科技有限公司 | Nitrogen blowing instrument |
| CN111537325A (en) * | 2020-06-17 | 2020-08-14 | 中检(河南)计量检测有限公司 | Calibration method of water bath nitrogen blowing instrument |
| CN111929143A (en) * | 2020-07-31 | 2020-11-13 | 山东省药学科学院 | Nitrogen blows appearance with control by temperature change needle tubing that blows |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103884575A (en) | Hot air nitrogen blowing instrument | |
| CN203723357U (en) | Tea leaf fermentation environment generating device | |
| CN102551185B (en) | Constant-temperature atomization moisture regain machine | |
| CN204027909U (en) | A kind of hot blast Nitrogen evaporator | |
| CN203224396U (en) | Two-position heating digestion device | |
| CN204255739U (en) | The Nitrogen evaporator that a kind of electric up-down controls | |
| CN104374631B (en) | Nitrogen blowing instrument | |
| CN203241285U (en) | Full automatic pressure blowing concentrator | |
| CN209559617U (en) | A kind of intelligence nitrogen evaporator | |
| CN206074339U (en) | One kind is universal to catch up with sour heating instrument | |
| CN205216233U (en) | Continuous board -like liquid enrichment facility | |
| CN204255746U (en) | A kind of Nitrogen evaporator | |
| CN206095895U (en) | Polymer ultraviolet ray ageing oven | |
| CN104006638B (en) | Be applicable to the hot air combined drying experimental device of microwave fixed bed of on-line analysis | |
| CN204776736U (en) | A novel constant temperature insulation can for bio -pharmaceuticals | |
| CN204829846U (en) | Gasification stove | |
| CN209894566U (en) | Test paper strip constant temperature incubation box | |
| CN206146108U (en) | Vacuum drying machine of rapid heating and controllable temperature | |
| CN202362195U (en) | Fully-closed automatic organic solvent volatilization collecting device | |
| CN209857527U (en) | Hot air type sheet baking instrument | |
| CN206930074U (en) | Electric drying oven with forced convection | |
| CN204988854U (en) | Vertical gradient heating graphite digestion device | |
| CN203893594U (en) | Constant-temperature drying box | |
| CN203229544U (en) | Leather dryer | |
| CN204255742U (en) | A kind of lifting type Nitrogen evaporator of even air feed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140625 |