CN105031955A - Liquid concentrating apparatus - Google Patents
Liquid concentrating apparatus Download PDFInfo
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- CN105031955A CN105031955A CN201510384517.XA CN201510384517A CN105031955A CN 105031955 A CN105031955 A CN 105031955A CN 201510384517 A CN201510384517 A CN 201510384517A CN 105031955 A CN105031955 A CN 105031955A
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- liquid
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- water
- pressure cup
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Abstract
A liquid concentrating apparatus comprises a temperature control water-bath system and a negative pressure tank; the temperature control water-bath system comprises a water bath, the water bath is provided with a water injection hole, and a temperature measurement probe and a heating device are arranged in the water bath; and the upper end of the negative pressure tank is provided with a liquid adding port, the liquid adding port is provided with a tank cover, the bottom of the negative pressure tank is tapered in shape and is immersed in water in the water bath, the top of the tank cover is provided with an air discharging valve, one side of the tank cover is provided with an air exhaust hole, the bottom of the negative pressure tank is provided with a liquid discharging tube, the liquid discharging tube is provided with a first branch tube and a second branch tube, the first branch tube is used for discharging a concentrated liquid, the second branch tube is connected with the inlet end of an electric spray pump, the outlet end of the electric spray pump is connected with a jet tube, and the other end of the jet tube extends into the tank cover and is provided with a spray head. The apparatus has the advantages of continuous working, large throughput every time and high efficiency, and can completely meet liquid concentration and evaporation and solvent recovery requirements of general laboratories.
Description
Technical field
The present invention relates to a kind of liquid concentration vaporising device, specifically relate to a kind of liquid concentrating device.
Background technology
Enrichment facility has purposes widely in laboratory.Such as Rotary Evaporators, is widely used in the test such as liquid concentration, solvent recovery occasion.But quantity of sample handling of some test is comparatively large, general Rotary Evaporators treating capacity and treatment effeciency less, experiment demand can not be met.
The evaporation recovery experiment of the concentrated and solvent of solution, mainly through heating within the specific limits, promotes internal energy of liquid, makes solvent molecule have higher molecular kinetic energy so that the capillary constraint of fugitive liquids and volatilizing.But in order to protect the moieties composition in solution, we directly can not be concentrated by the mode of high-boiling again.
Summary of the invention
The present invention mainly for solving above-mentioned Problems existing, provides a kind of liquid concentrating device.
For solving above-mentioned Problems existing, the technical solution adopted in the present invention is:
A kind of liquid concentrating device, comprises temperature controlled water bath system and negative-pressure cup; Described temperature controlled water bath system comprises water bath, and water bath is provided with water injection hole, and the inside of water bath is provided with temperature probe and heater; Described negative-pressure cup upper end is provided with liquid and adds entrance, add on entrance at liquid and be provided with cover, the bottom of negative-pressure cup is tapered and in the water submerged in water bath, cover top is provided with the vent valve for balancing negative-pressure cup external and internal pressure, and cover side is also provided with the aspirating hole for extracting vacuum gas in negative-pressure cup;
The bottom of described negative-pressure cup is provided with drain pipe, drain pipe is provided with the first arm and the second arm, first arm is for discharging the liquid after concentrating, valve is provided with at its end, second arm is connected with the entrance point of an electric atomizing pump, the port of export of electric atomizing pump connects playpipe, and the other end of playpipe extends to cover inside and is provided with fog-spray nozzle.
As improving further, the first described arm is communicated with liquid level display glass tube upward, and the other end of liquid level display glass tube is communicated with negative-pressure cup.
As improving further, the side of described water bath is provided with water level observation window, and in water level observation window side, correspondence is provided with liquid volume graduation mark.
As improving further, described heater is heating tube.
As improving further, the port of export of described electric atomizing pump is connected with playpipe by vacuum hose.
As improving further, described liquid is added entrance and is sealed by handle.
As improving further, the bottom of described water bath is provided with discharge outlet.
As improving further, the bottom of described water bath is provided with multiple lower margin.
The beneficial effect that the present invention brings is:
1, by heating water bath and insulation, solution to be concentrated temperature is raised, increase solvent molecule kinetic energy, its evaporation of escaping can be accelerated, add the condition of negative pressure in whole negative-pressure cup tank chamber, the required kinetic energy of solvent molecule escape is reduced, and the two combines the speed greatly accelerating solvent evaporation.Considerably increased the interfacial area of liquid and gas by spraying, make the evaporation rate of solvent molecule higher;
2, this device is compared with Rotary Evaporators, and have larger gas/liquid interfacial area, evaporation and concentration efficiency is higher;
3, this device has the large and efficiency advantages of higher of continuous operation, each treating capacity, can meet common laboratory completely to requirement of experiment such as concentrated, the evaporation of liquid and solvent recovery.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Mark in figure: 1, handle, 2, vent valve, 3, cover, 4, seal washer, 5, aspirating hole, 6, negative-pressure cup, 7, water injection hole, 8, water bath, 9, temperature probe, 10, heater, 11, discharge outlet, 12, fog-spray nozzle, 13, electric atomizing pump, 14, liquid level display glass tube, 15, water level observation window, 16, liquid volume graduation mark, 17, valve, 18, lower margin, 19, vacuum hose, the 20, second arm.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
As shown in the figure, a kind of liquid concentrating device, comprises temperature controlled water bath system and negative-pressure cup 6; Described temperature controlled water bath system comprises water bath 8, water bath 8 is provided with water injection hole 7, water injection hole 7 keeps unimpeded, upper end is connected to funnel so that water filling, funnel is tapered, the inside of water bath 8 is provided with temperature probe 9 and heater 10, and temperature probe 9 and heater 10 control by temperature controller, to realize the thermostatic control of water temperature in water bath 8; Described negative-pressure cup 6 upper end is provided with liquid and adds entrance, add on entrance at liquid and be provided with cover 3, negative-pressure cup 6 can be collected, store, preheating concentrate before and after liquid, the bottom of negative-pressure cup 6 is tapered and in the water submerged in water bath 8, liquid stored by it can carry out heat exchange with thermostatted water in water bath, thus realizes preheating the constant temperature of enriched material.Cover 3 top is provided with the vent valve 2 for balancing negative-pressure cup 6 external and internal pressure, and cover 3 side is also provided with the aspirating hole 5 for extracting vacuum gas in negative-pressure cup 6.
The bottom of described negative-pressure cup 6 is provided with drain pipe, drain pipe is provided with the first arm and the second arm 20, first arm is for discharging the liquid after concentrating, valve 17 is provided with at its end, second arm 20 is connected with the entrance point of an electric atomizing pump 13, the port of export of electric atomizing pump 13 connects playpipe, the other end of playpipe extends to cover 3 inside and is provided with fog-spray nozzle 12, fog-spray nozzle 12 is provided with spray switch, and after switching on power, electric atomizing pump 13 provides highly pressurised liquid to realize spraying to fog-spray nozzle 12.
The first described arm is communicated with liquid level display glass tube 14 upward, and liquid level display glass tube 14 is outside the casing of water bath 8, and liquid level display glass tube 14 other end is communicated with negative-pressure cup 6, ensures pressure balance in liquid level display glass tube 14 and negative-pressure cup.
The side of described water bath 8 is provided with water level observation window 15, and to observe the liquid level in water bath 8, in water level observation window 15 side, correspondence is provided with liquid volume graduation mark 16, can show the volume of stored liquid in negative-pressure cup 6.
Described heater 10 can be heating tube or heating rod.
The port of export of described electric atomizing pump 13 is connected with playpipe by vacuum hose 19.
Described liquid is added entrance and is sealed by handle 1.
The bottom of described water bath 8 is provided with discharge outlet 11.
Be connected on aspirating hole 5 by the condenser exhaust tube being connected with air exhauster, condenser exhaust tube is connected to aspirating hole 5 by seal washer 4.
The bottom of described water bath 8 is provided with multiple lower margin 18.
Described negative-pressure cup, connecting line (except vacuum hose), spray and first-classly all select stainless steel, reduce the impact of their test materials to greatest extent, and be convenient to cleaning.
The present invention in use, first checks whether the liquid level in water bath 8 reaches requirement, then sets temperature required heating.Then open cover 3, by needing concentrated liquid to join in negative-pressure cup 6, covering cover 3, opening vent valve 2, preheating is carried out to liquid.Preheating time determines according to amount of liquid and preset temperature height, and general a few minutes were by tens minutes.The condenser exhaust tube being connected with air exhauster is connected on aspirating hole 5 in preheating simultaneously, guarantees that sealing is intact.After preheated, close vent valve 2, open spray switch and spray, open air exhauster simultaneously and vacuumize, and open condensation cycle water.The running of this timer starts to concentrate, note in concentration process observing the liquid level in liquid level display glass tube 14, and contrast respective liquid volume, wait after being concentrated into predetermined and open vent valve 2, compensator external and internal pressure, closes air exhauster, electric atomizing pump 13 and heating water bath switch.Leave standstill a moment, open valve 17, release the liquid after concentrating, open electric atomizing pump operation after liquid discharges for a moment by the fluid removal in pump and in pipeline.Finally use distilled water purge tank inwall and pipeline.
Claims (8)
1. a liquid concentrating device, is characterized in that: comprise temperature controlled water bath system and negative-pressure cup (6); Described temperature controlled water bath system comprises water bath (8), and water bath (8) is provided with water injection hole (7), and the inside of water bath (8) is provided with temperature probe (9) and heater (10); Described negative-pressure cup (6) upper end is provided with liquid and adds entrance, add on entrance at liquid and be provided with cover (3), the bottom of negative-pressure cup (6) is tapered and in water in the water bath that submerges (8), cover (3) top is provided with the vent valve (2) for balancing negative-pressure cup (6) external and internal pressure, and cover (3) side is also provided with the aspirating hole (5) for extracting negative-pressure cup (6) interior vacuum gas;
The bottom of described negative-pressure cup (6) is provided with drain pipe, drain pipe is provided with the first arm and the second arm (20), first arm is for discharging the liquid after concentrating, valve (17) is provided with at its end, second arm (20) is connected with the entrance point of an electric atomizing pump (13), the port of export of electric atomizing pump (13) connects playpipe, and the other end of playpipe extends to cover (3) inside and is provided with fog-spray nozzle (12).
2. a kind of liquid concentrating device according to claim 1, is characterized in that: the first described arm is communicated with liquid level display glass tube (14) upward, and liquid level display glass tube (14) other end is communicated with negative-pressure cup (6).
3. a kind of liquid concentrating device according to claim 1, is characterized in that: the side of described water bath (8) is provided with water level observation window (15), and in water level observation window (15) side, correspondence is provided with liquid volume graduation mark (16).
4. a kind of liquid concentrating device according to claim 1, is characterized in that: described heater (10) is heating tube.
5. a kind of liquid concentrating device according to claim 1, is characterized in that: the port of export of described electric atomizing pump (13) is connected with playpipe by vacuum hose (19).
6. a kind of liquid concentrating device according to claim 1, is characterized in that: described liquid is added entrance and sealed by handle (1).
7. a kind of liquid concentrating device according to claim 1, is characterized in that: the bottom of described water bath (8) is provided with discharge outlet (11).
8. a kind of liquid concentrating device according to claim 1, is characterized in that: the bottom of described water bath (8) is provided with multiple lower margin (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510384517.XA CN105031955A (en) | 2015-07-04 | 2015-07-04 | Liquid concentrating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510384517.XA CN105031955A (en) | 2015-07-04 | 2015-07-04 | Liquid concentrating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105031955A true CN105031955A (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510384517.XA Pending CN105031955A (en) | 2015-07-04 | 2015-07-04 | Liquid concentrating apparatus |
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| CN (1) | CN105031955A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116216732A (en) * | 2023-05-09 | 2023-06-06 | 福建德尔科技股份有限公司 | Lithium tetrafluoroborate preparation system and control method thereof |
-
2015
- 2015-07-04 CN CN201510384517.XA patent/CN105031955A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116216732A (en) * | 2023-05-09 | 2023-06-06 | 福建德尔科技股份有限公司 | Lithium tetrafluoroborate preparation system and control method thereof |
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Application publication date: 20151111 |
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| RJ01 | Rejection of invention patent application after publication |