CN203929635U - A kind of evaporative light-scattering detector - Google Patents
A kind of evaporative light-scattering detector Download PDFInfo
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- CN203929635U CN203929635U CN201420081746.5U CN201420081746U CN203929635U CN 203929635 U CN203929635 U CN 203929635U CN 201420081746 U CN201420081746 U CN 201420081746U CN 203929635 U CN203929635 U CN 203929635U
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- scattering detector
- mead
- evaporative light
- recovery system
- gas
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Abstract
The utility model relates to a kind of evaporative light-scattering detector, described evaporative light-scattering detector comprises main frame, described main frame comprises: spray chamber, drift tube, optical detection chamber and gas outlet, described spray chamber, described drift tube, described optical detection chamber and described gas outlet order are connected, this evaporative light-scattering detector also comprises: high-temperature gas Mead-Bauer recovery system, described high-temperature gas Mead-Bauer recovery system comprises: semiconductor refrigerating chamber, condenser pipe and Mead-Bauer recovery system; One end of described semiconductor refrigerating chamber is connected with the gas outlet of described main frame, and the other end of described semiconductor refrigerating chamber is connected with one end of described condenser pipe, and the other end of described condenser pipe is connected with described Mead-Bauer recovery system.The high-temperature gas Mead-Bauer recovery system of this evaporative light-scattering detector is directly connected with the gas outlet in main frame, thereby carries out waste gas recovery, coordinates smoothness, and application is convenient.
Description
Technical field
The utility model relates to a kind of evaporative light-scattering detector.
Background technology
The principle of work of current evaporative light-scattering detector is: liquid flow is transformed into tiny drop under the effect of nebulizer gas pressure in spray chamber.Carrier gas is transported to drift tube drop from spray chamber and carries out heating evaporation, and gas temperature reaches 130 degrees Celsius of left and right, and in drift tube, solvent is removed, and leaves the droplet of particulate or pure solute.Behind optical detection chamber, the gas (comprising carrier gas, mobile phase steam and solute particulate) that need to discharge from instrument will be discharged through exhausr port.Exhausr port is positioned on evaporative light-scattering detector rear panel, be connected with plastics comb, the gas of discharging from instrument can be discharged by this plastic row tracheae, but the gas of discharging in instrument may contain organic solvent, if five fluorine propionic acid are to ten trifluoro enanthic acid or first, ammonium acetate or first, acetic acid pyridinium etc., if these gases are directly entered to atmosphere by plastic row tracheae and ventilation unit, can cause very large destruction to living environment.Therefore, in prior art, generally can adopt the plastics comb of this instrument is connected to the gas that the mode of other professional reclaimers is discharged in process instrumentation, after gas is drained, again this reclaimer be removed.Such gas processing method is pretty troublesome, inconvenience, and also cooperation between evaporative light-scattering detector and this specialty reclaimer is not smooth yet, easily causes gas leakage, and the complex structure of professional reclaimer, volume is also larger.
Utility model content
The utility model provides evaporative light-scattering detector, and the high-temperature gas Mead-Bauer recovery system of this evaporative light-scattering detector is directly connected with the gas outlet in main frame, thereby carries out waste gas recovery, coordinates smoothness, and application is convenient.
For addressing the above problem, the utility model provides a kind of evaporative light-scattering detector, described evaporative light-scattering detector comprises main frame, described main frame comprises: spray chamber, drift tube, optical detection chamber and gas outlet, described spray chamber, described drift tube, described optical detection chamber and described gas outlet order are connected, and this evaporative light-scattering detector also comprises:
High-temperature gas Mead-Bauer recovery system, described high-temperature gas Mead-Bauer recovery system comprises: semiconductor refrigerating chamber, condenser pipe and Mead-Bauer recovery system; One end of described semiconductor refrigerating chamber is connected with the gas outlet of described main frame, and the other end of described semiconductor refrigerating chamber is connected with one end of described condenser pipe, and the other end of described condenser pipe is connected with described Mead-Bauer recovery system.
Compared with prior art, in the utility model, poisonous or the mordant gas of high temperature that this evaporative light-scattering detector detects laboratory after application is sent into high-temperature gas Mead-Bauer recovery system by original gas outlet, in this recovery system, first waste gas enter semiconductor refrigerating chamber under the pressure of carrier gas, make high-temp waste gas here condensed fluid change into high-temp liquid, then high-temp liquid again through spiraling around the naturally cooling cryogenic liquid that becomes of condenser pipe, last cryogenic liquid enters Mead-Bauer recovery system, thereby waste gas is reclaimed to the liquid that becomes low temperature, then can focus on the waste liquid in Mead-Bauer recovery system very easily, having avoided waste gas to enter air pollutes, relatively environmental protection, more convenient and swift than exhaust-gas treatment mode of the prior art, cooperation smoothness between gas outlet and the recovery system of main frame simultaneously, avoid the generation of gas leak phenomenon.
Preferably, described high-temperature gas Mead-Bauer recovery system also comprises: filtrate sheet, described filtrate sheet is serially connected between described semiconductor refrigerating chamber and described condenser pipe.
As further improvement of the utility model, in the middle of semiconductor refrigerating chamber in high-temperature gas Mead-Bauer recovery system and condenser pipe, be connected in series again a filtrate sheet, can be by the solid impurity filtering in the waste gas of semiconductor refrigerating chamber, thus avoid having in condenser pipe the deposition of solid impurity.
Brief description of the drawings
Fig. 1 is the structural representation of the evaporative light-scattering detector that provides of the utility model the first embodiment;
Fig. 2 is the structural representation of semiconductor refrigerating chamber in the evaporative light-scattering detector that provides of the utility model the first embodiment;
Fig. 3 is the structural representation of the evaporative light-scattering detector that provides of the utility model the second embodiment;
Fig. 4 is the high-temperature gas Mead-Bauer recovery system structural representation of the evaporative light-scattering detector device of laboratory use.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, each embodiment of the present utility model is explained in detail.But, persons of ordinary skill in the art may appreciate that in the each embodiment of the utility model, in order to make reader understand the application better, many ins and outs are proposed.But, even without these ins and outs and the many variations based on following embodiment and amendment, also can realize the each claim of the application technical scheme required for protection.
Current evaporative light-scattering detector comprises main frame, and main frame comprises: spray chamber, drift tube, optical detection chamber and gas outlet, spray chamber, drift tube, optical detection chamber and gas outlet order are connected.The utility model improves this evaporative light-scattering detector, evaporative light-scattering detector after improving as shown in Figure 1, specifically comprise main frame 11 and high-temperature gas Mead-Bauer recovery system 12, main frame 11 is identical with main frame of the prior art, main frame 11 comprises spray chamber 111, drift tube 112, optical detection chamber 113 and gas outlet 114, and spray chamber 111, drift tube 112, optical detection chamber 113 and gas outlet 114 orders are connected.High-temperature gas Mead-Bauer recovery system 12 is connected with one end of the gas outlet 114 of main frame 11.This high-temperature gas Mead-Bauer recovery system 12 comprises: semiconductor refrigerating chamber 121, condenser pipe 122 and Mead-Bauer recovery system 123; Wherein, the other end of gas outlet 114 is connected with one end of semiconductor refrigerating chamber 121, the other end of semiconductor refrigerating chamber 121 is connected with one end of condenser pipe 122, the other end of condenser pipe 122 is connected with Mead-Bauer recovery system 123 orders.In addition, this main frame 11 also comprises rear panel 115, comprises an exhausr port 116 on rear panel 115, and optical detection chamber 113 is connected by exhausr port 116 with gas outlet 114.
Further, as shown in Figure 2, in the middle of cold junction insulating ceramic film and hot junction insulating ceramic film, be connected with semiconductor layer, cold junction insulating ceramic film is connected semiconductor layer by metallic conductor respectively with hot junction insulating ceramic film; Semiconductor layer comprises N-type semiconductor and P-type semiconductor.
High-temperature gas Mead-Bauer recovery system also comprises temperature control circuit, and temperature control circuit is connected with the both positive and negative polarity of the direct supply of semiconductor refrigerating chamber, and this temperature control circuit adopts temperature control principle to control the temperature of semiconductor refrigerating chamber.In addition, this temperature control circuit is electrically connected with main frame, and main frame can be used for controlling the startup of this temperature control circuit and cutting out.
It should be noted that, semiconductor refrigerating chamber, condenser pipe and Mead-Bauer recovery system in this high temperature waste liquid gas recovery system are all devices of the prior art, and the parameters such as its concrete structure, shape and size do not repeat them here.Temperature control circuit is also circuit ripe in prior art, and circuit diagram and principle of work thereof that it is concrete do not repeat them here.
Concrete, the principle of work of this high-temperature gas Mead-Bauer recovery system 12 is: evaporative light-scattering detector detects the poisonous or mordant gas of high temperature after application, enter high-temperature gas Mead-Bauer recovery system 12 by gas outlet 114, in this system 12, first under the pressure of carrier gas, enter semiconductor refrigerating chamber 121, make high-temperature gas here condensed fluid change into high-temp liquid, high-temp liquid is naturally cooling after the condenser pipe 122 spiraling around shape, enter Mead-Bauer recovery system 123, reclaim thereby complete waste gas.Whole recovery flow direction power provides from test side gaseous tension, ensures to reclaim smooth.Wherein, semiconductor refrigerating chamber 121 is built by semiconductor chilling plate, and semiconductor chilling plate is also thermoelectric module, is a kind of heat pump.Its advantage is there is no slide unit, is applied in some spaces and is restricted, and reliability requirement is high, the occasion of polluting without cold-producing medium.Mead-Bauer recovery system can adopt waste liquid returnable bottle.
Compared with prior art, in the utility model, poisonous or the mordant gas of high temperature that this evaporative light-scattering detector detects laboratory after application is sent into high-temperature gas Mead-Bauer recovery system by original gas outlet, in this recovery system, first waste gas enter semiconductor refrigerating chamber under the pressure of carrier gas, make high-temp waste gas here condensed fluid change into high-temp liquid, then high-temp liquid again through spiraling around the naturally cooling cryogenic liquid that becomes of condenser pipe, last cryogenic liquid enters Mead-Bauer recovery system, thereby waste gas is reclaimed to the liquid that becomes low temperature, then can focus on the waste liquid in Mead-Bauer recovery system very easily, having avoided waste gas to enter air pollutes, relatively environmental protection, more convenient and swift than exhaust-gas treatment mode of the prior art, cooperation smoothness between gas outlet and the recovery system of main frame simultaneously, avoid the generation of gas leak phenomenon.In addition, this high-temperature gas Mead-Bauer recovery system is for the special annex of ELSD, simple to operate, light, easily dismounting, changes and cleaning, and deft design, volume are little, and the waste liquid waste gas that is applicable to tiny flow quantity reclaims, and temperature is controlled, efficiency is high, speed is fast.
The utility model the second embodiment relates to a kind of evaporative light-scattering detector, the second embodiment has done further improvement on the basis of the first embodiment, main improvements are: in high-temperature gas Mead-Bauer recovery system, also increased filtrate sheet 124, specifically as shown in Figure 3, in figure, one end of this filtrate sheet 124 is connected with semiconductor refrigerating chamber 121, and the other end of filtrate sheet 124 is connected with condenser pipe 122.In this recovery system, increase filtrate sheet and can filtering accidentally enter some solid particles in gas outlet etc., prevent that these solid particles are attached to condensation tube wall damage condenser pipe.
Example, as shown in Figure 4, Fig. 4 is the high-temperature gas Mead-Bauer recovery system structural representation of the evaporative light-scattering detector device of laboratory use, has omitted the structural drawing of host machine part in figure, the structural drawing of host machine part is same as the prior art.This high-temperature gas Mead-Bauer recovery system comprises semiconductor refrigerating chamber 402, filtrate sheet 403, condenser pipe 404 and waste liquid returnable bottle 405, semiconductor refrigerating chamber 402, filtrate sheet 403, condenser pipe 404 and waste liquid returnable bottle 405 orders are connected, and semiconductor refrigerating chamber 402 is connected with the gas outlet 401 of main frame.In figure, the concrete function of each module is described above, does not repeat at this.
Persons of ordinary skill in the art may appreciate that the respective embodiments described above are to realize specific embodiment of the utility model, and in actual applications, can do various changes to it in the form and details, and do not depart from spirit and scope of the present utility model.
Claims (7)
1. an evaporative light-scattering detector, described evaporative light-scattering detector comprises main frame, described main frame comprises: spray chamber, drift tube, optical detection chamber and gas outlet, described spray chamber, described drift tube, described optical detection chamber and described gas outlet order are connected, it is characterized in that, this evaporative light-scattering detector also comprises:
High-temperature gas Mead-Bauer recovery system, described high-temperature gas Mead-Bauer recovery system comprises: semiconductor refrigerating chamber, condenser pipe and Mead-Bauer recovery system; One end of described semiconductor refrigerating chamber is connected with the gas outlet of described main frame, and the other end of described semiconductor refrigerating chamber is connected with one end of described condenser pipe, and the other end of described condenser pipe is connected with described Mead-Bauer recovery system.
2. evaporative light-scattering detector according to claim 1, is characterized in that, described high-temperature gas Mead-Bauer recovery system also comprises: filtrate sheet, described filtrate sheet is serially connected between described semiconductor refrigerating chamber and described condenser pipe.
3. evaporative light-scattering detector according to claim 1, is characterized in that, described semiconductor refrigerating chamber comprises semiconductor layer, cold junction insulating ceramic film, hot junction insulating ceramic film and metallic conductor;
In the middle of described cold junction insulating ceramic film and described hot junction insulating ceramic film, be connected with described semiconductor layer, described cold junction insulating ceramic film is connected described semiconductor layer by described metallic conductor respectively with described hot junction insulating ceramic film;
Described semiconductor layer comprises N-type semiconductor and P-type semiconductor.
4. evaporative light-scattering detector according to claim 1, is characterized in that, being shaped as of described condenser pipe spiraled around shape.
5. evaporative light-scattering detector according to claim 1, is characterized in that, described main frame also comprises rear panel, and described rear panel is provided with an exhausr port, and described optical detection chamber is connected by described exhausr port with described gas outlet.
6. evaporative light-scattering detector according to claim 1, is characterized in that, in described high-temperature gas Mead-Bauer recovery system, also comprises temperature control circuit, and described temperature control circuit is connected with described semiconductor refrigerating chamber.
7. evaporative light-scattering detector according to claim 6, is characterized in that, described temperature control circuit and the electrical connection of described main frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081746.5U CN203929635U (en) | 2014-02-23 | 2014-02-23 | A kind of evaporative light-scattering detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081746.5U CN203929635U (en) | 2014-02-23 | 2014-02-23 | A kind of evaporative light-scattering detector |
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| CN203929635U true CN203929635U (en) | 2014-11-05 |
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| CN201420081746.5U Expired - Fee Related CN203929635U (en) | 2014-02-23 | 2014-02-23 | A kind of evaporative light-scattering detector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132202A (en) * | 2016-12-20 | 2017-09-05 | 苏州赛德福科学仪器有限公司 | A kind of EISD |
| CN107817245A (en) * | 2017-10-26 | 2018-03-20 | 苏州林恩色谱科技有限公司 | A kind of manufacture method for evaporating photodetector |
| CN108445122A (en) * | 2018-01-25 | 2018-08-24 | 无锡赛那尔仪器设备制造有限公司 | A kind of evaporative light scattering detector |
-
2014
- 2014-02-23 CN CN201420081746.5U patent/CN203929635U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132202A (en) * | 2016-12-20 | 2017-09-05 | 苏州赛德福科学仪器有限公司 | A kind of EISD |
| CN107132202B (en) * | 2016-12-20 | 2023-10-27 | 苏州赛德福科学仪器有限公司 | Evaporation light scattering detector |
| CN107817245A (en) * | 2017-10-26 | 2018-03-20 | 苏州林恩色谱科技有限公司 | A kind of manufacture method for evaporating photodetector |
| CN108445122A (en) * | 2018-01-25 | 2018-08-24 | 无锡赛那尔仪器设备制造有限公司 | A kind of evaporative light scattering detector |
| CN108445122B (en) * | 2018-01-25 | 2023-10-03 | 无锡赛那尔仪器设备制造有限公司 | Evaporative light scattering detection device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20200223 |