CN204027909U - A kind of hot blast Nitrogen evaporator - Google Patents
A kind of hot blast Nitrogen evaporator Download PDFInfo
- Publication number
- CN204027909U CN204027909U CN201420147481.4U CN201420147481U CN204027909U CN 204027909 U CN204027909 U CN 204027909U CN 201420147481 U CN201420147481 U CN 201420147481U CN 204027909 U CN204027909 U CN 204027909U
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- Prior art keywords
- temperature
- hot blast
- nitrogen evaporator
- heating arrangement
- temperature sensor
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Abstract
The utility model discloses a kind of hot blast Nitrogen evaporator, comprise air distributing device, heating arrangement, Sample location frame and temperature sensor; Heating arrangement is arranged on the exit of air distributing device, connects, and be equipped with a temperature sensor when access Sample location frame, to detect the temperature of gas herein between heating arrangement and Sample location frame by gas circuit.Between temperature sensor and heating arrangement, by electric wire, connect.Temperature sensor is set up the first temperature threshold and the second temperature threshold in advance, and temperature sensor is according to the temperature of measurement and the first temperature threshold and the second temperature threshold are compared, to control the switch of heating arrangement.Hot blast Nitrogen evaporator of the present utility model is controlled to reach by the adjusting to air inlet gas temperature and is dried up the one step completed object of heating, has removed heating plate and the water-bath of traditional water-bath type Nitrogen evaporator, has improved work efficiency.
Description
Technical field
The utility model relates to a kind of drying device, relates 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 a plurality of 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 a plurality of 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 comprised 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 one step completed hot blast Nitrogen evaporator that heats and dry up.
Utility model content
Because the above-mentioned defect of prior art, technical problem to be solved in the utility model is to provide a kind of one step completed hot blast Nitrogen evaporator that heats and dry up.
For achieving the above object, the utility model provides a kind of 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, by gas circuit, be connected; 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, by sensing circuit, be connected.
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 surpasses described the first temperature threshold, by described sensing circuit, cut off the power supply of described heating arrangement; When the temperature of described temperature sensor measurement is during lower than described the second temperature threshold, by described sensing circuit, open the power supply of described heating arrangement.
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 utility model, utilizes and increases a set of heating arrangement at air distributing device place, controls to reach to dry up the one step completed object of heating by the adjusting to air inlet gas temperature.Hot blast Nitrogen evaporator of the present utility model 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 utility model, concrete structure and generation is described further, to understand fully the purpose of this utility model, feature and effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of hot blast Nitrogen evaporator of the present utility model;
Fig. 2 is the schematic diagram of the gas heater of a kind of hot blast Nitrogen evaporator of the present utility model
Fig. 3 is the structural representation of upper platen of the sample locating rack of a kind of hot blast Nitrogen evaporator of the present utility model;
Fig. 4 is the structural representation of lower platen of the sample locating rack of a kind of hot blast Nitrogen evaporator of the present utility model;
Fig. 5 is the fundamental diagram of a kind of hot blast Nitrogen evaporator of the present utility model;
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated: the present embodiment is implemented under with technical solutions of the utility model prerequisite; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As shown in Figure 1, hot blast Nitrogen evaporator of the present utility model 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 organic solvent at the heat of 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 utility model, 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.In the inside of support bar 63, comprise three pipelines: one is the gas circuit 5 for delivery of the source of the gas of heating arrangement 1 heating; 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 utility model 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, when being positioned at the temperature sensor 2 at Sample location frame place and measuring gas source temperatures higher than the first temperature threshold, temperature sensor 2 cuts off the power supply of gas heaters 1 by sensing circuit 3; Source of the gas starts slowly to lower the temperature; When 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 utility model in detail.The ordinary skill that should be appreciated that this area just can be made many modifications and variations according to design of the present utility model without creative work.Therefore, all technician in the art comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in the determined protection domain by claims.
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, by gas circuit, be connected; 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 surpasses 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, by described sensing circuit, open the power supply of described heating arrangement.
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 |
|---|---|---|---|
| CN201420147481.4U CN204027909U (en) | 2014-03-28 | 2014-03-28 | A kind of hot blast Nitrogen evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420147481.4U CN204027909U (en) | 2014-03-28 | 2014-03-28 | A kind of hot blast Nitrogen evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204027909U true CN204027909U (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420147481.4U Expired - Fee Related CN204027909U (en) | 2014-03-28 | 2014-03-28 | A kind of hot blast Nitrogen evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204027909U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884575A (en) * | 2014-03-28 | 2014-06-25 | 云南省农业科学院农业环境资源研究所 | Hot air nitrogen blowing instrument |
-
2014
- 2014-03-28 CN CN201420147481.4U patent/CN204027909U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884575A (en) * | 2014-03-28 | 2014-06-25 | 云南省农业科学院农业环境资源研究所 | Hot air nitrogen blowing instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20150328 |
|
| EXPY | Termination of patent right or utility model |