CN203971416U - A kind of high-effect solvent concentration systems - Google Patents

A kind of high-effect solvent concentration systems Download PDF

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Publication number
CN203971416U
CN203971416U CN201420462277.1U CN201420462277U CN203971416U CN 203971416 U CN203971416 U CN 203971416U CN 201420462277 U CN201420462277 U CN 201420462277U CN 203971416 U CN203971416 U CN 203971416U
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CN
China
Prior art keywords
solvent
described
chamber
heating
heating chamber
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CN201420462277.1U
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Chinese (zh)
Inventor
刘润强
陈军
孔凡彬
张毅军
张裕平
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河南科技学院
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Priority to CN201420462277.1U priority Critical patent/CN203971416U/en
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Publication of CN203971416U publication Critical patent/CN203971416U/en

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Abstract

The utility model discloses a kind of high-effect solvent concentration systems, comprise condensation chamber in housing, solvent condenses retracting device, housing and heating chamber independently, the bottom of heating chamber and interior are installed on semiconductor heating cooling piece, heating chamber is positioned in described condensation chamber, the chill surface of semiconductor heating cooling piece is near the outer wall of dividing plate, and the face that heats of semiconductor heating cooling piece is near the inwall of heating chamber.The utility model has replaced the independent heating system and the refrigerating system equipment that on legacy equipment, use with semiconductor heating cooling piece.The hot side of semiconductor heating cooling piece transfers heat to heating chamber and heats, and at heating chamber, fills water, to the solvent heating of solvent bottle inside, makes it become steam; Simultaneously, in condensation chamber, add circulating condensing liquid, semiconductor heating cooling piece refrigeration face reduces the temperature of condensing agent, and condensing agent is admitted to and in solvent condenses retracting device, solvent vapo(u)r is carried out coolingly, and then condensing agent is back to condensation chamber and further by semiconductor heating cooling piece, is lowered the temperature.

Description

A kind of high-effect solvent concentration systems

Technical field

The utility model relates to solvent purifying device, is specifically related to a kind of high-effect solvent concentration systems.

Background technology

Solvent concentrator is laboratory common equipment, is the operation of remove portion solvent from solution, is also the part separation process of solute and solvent in homogeneous mixture.It utilizes distillation principle, by heating evaporation solvent, becomes gaseous state, makes solvent evaporation and the concentration of raising raw sample solution.In a lot of conventional analyses, sample pretreatment process has comprised organic solvent extraction, concentrated, isolation of purified and the basic step such as concentrated again.Conventional method for concentration has:

One, air-flow blows steaming method, and it is that air or nitrogen are blown in the container that fills scavenging solution, constantly reduces liquid surface vapour pressure, makes constantly evaporation and reach concentrated object of solvent.This method is simple to operate, be mainly used in the concentrated of small volume, solution that solvent boiling point is lower, but efficiency is low, and the component that vapour pressure is higher is easily lost, and exists material in sample is blown to the risk in laboratory, must in fume hood, operate; Need to consume nitrogen, increase extra cost; There is explosion danger in combustible solvent; Whole process need monitoring.

Two, reduced pressure concentration method,, easily decomposes under higher temperature thermally labile mainly for component to be measured, adopts reduced pressure concentration, has reduced the boiling point of solvent, both can be concentrated into rapidly volume requiredly, can avoid again measured object to decompose.But generally this kind equipment, for guaranteeing the performance of inspissator, need to adopt stainless steel to make, and drive disk assembly needs mechanical seal, and adopts fire-proof motor to guarantee safety, has apparatus expensive, volume is large and carry inconvenient feature.

Three, rotary evaporator concentration method, rotary evaporator, by Electronic Control, makes flask under suitable speed, rotate to increase disengagement area.When concentrated, can make to evaporate flask in negative pressure state by vavuum pump.Be contained in the extract in evaporation flask, under the condition heating in water-bath or oil bath, because of under reduced pressure limit rotation, limit heating, make the solution in evaporative flask attach to the thin liquid film of inwall formation one deck, spread, increased disengagement area, and, due to suction function, the boiling point of solvent reduces, further improved evaporation efficiency, meanwhile, the solvent being evaporated is condensed, is back to receiving bottle in condenser.Rotary evaporation inspissator is comprised of mechanical part, electric cabinet and glass apparatus three parts.Its shortcoming is mainly can only process simple sample; Need to clean glass device; Seal life is limited, needs periodic replacement; Sample can be leaked in air, pollutes.

Four, traditional vacuum concentration method, traditional vacuum is concentrated is exactly the method that adopts centrifuge, vacuum and heating to combine, centrifugal sample under vacuum state, and catch solvent by the cold-trap of ultralow temperature, thus rapid solvent evaporation is reached to the object of concentrated or drying sample.But the method speed is slower; Evaporation process visible level is limited.

Existing solvent concentrator heating and condensation portion all need independent heating unit and refrigeration unit, cause equipment volume excessive, expensive, and complex structure, has also increased energy consumption simultaneously.

Summary of the invention

In order to solve the deficiencies in the prior art, the utility model provides a kind of high-effect fast quick-dissolving agent vapo(u)rization system simple in structure.

The technical solution of the utility model is: a kind of high-effect solvent concentration systems, comprise condensation chamber in housing, solvent condenses retracting device, housing and heating chamber independently, the bottom of described heating chamber and interior are installed on semiconductor heating cooling piece, described heating chamber is positioned in described condensation chamber, the chill surface of described semiconductor heating cooling piece is near the outer wall of dividing plate, and the face that heats of described semiconductor heating cooling piece is near the inwall of heating chamber; Described heating chamber is also provided with seal cover, on described seal cover, offer steam (vapor) outlet, described steam (vapor) outlet is connected with the steam inlet of described solvent condenses retracting device by pipeline, described condensation chamber offer respectively condensate outlet and condensate liquid entrance, described condensate outlet is connected with condensation outlet with the condensation entrance of described solvent condenses retracting device by pipeline respectively with condensate liquid entrance.Seal cover described in the utility model be take transparent configuration structure as best-of-breed technology scheme, can personnel easy to use observe the situation in heating chamber.

Further improvement of the utility model comprises:

The inner and outer wall surface of described heating chamber is provided with radiating fin.

On described connection condensation chamber and the pipeline of solvent condenses retracting device, be also installed on circulating condensing liquid driving pump.

Described solvent condenses retracting device comprises solvent vapo(u)r condensation chamber, in described solvent vapo(u)r condensation chamber, be provided with serpentine condenser, on described solvent vapo(u)r condensation chamber, be respectively arranged with the steam inlet being communicated with heating chamber and the solvent outlet being communicated with solvent collection container, the two ends of described serpentine condenser are communicated with condensate outlet and the condensate liquid entrance of condensing container respectively.

In described heating chamber, be also placed with for putting the solvent bottle of solvent to be evaporated, and for fixing the fixed mount of described solvent bottle.In described heating chamber, be also placed with for putting the preferred test tube of solvent bottle of solvent to be evaporated, the preferred test-tube stent of described fixture.

Described housing coupling has sealing cover body.

The utility model is simple in structure, and capacity usage ratio is high, and equipment volume is little, and transportation is easy to carry.The utility model has replaced the independent heating system and the refrigerating system equipment that on legacy equipment, use with semiconductor heating cooling piece.The hot side of semiconductor heating cooling piece transfers heat to heating chamber and heats, and at heating chamber, fills water, to the solvent heating of solvent bottle inside, makes it become steam; Simultaneously, in condensation chamber, add circulating condensing liquid, the temperature of reduction condensing agent is worn away in the refrigeration of semiconductor heating cooling piece, condensing agent is admitted to and to solvent vapo(u)r, carries out cooling in solvent condenses retracting device, then condensing agent is back to condensation chamber and further by semiconductor heating cooling piece, is lowered the temperature, and circulation so; Can utilize less energy to complete cooling to the heating of solvent and condensing agent simultaneously, improve the efficiency of product.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model heating chamber and condensing container.

Fig. 2 is condenser structure schematic diagram.

In figure: 1, housing, 2, heating chamber sidewall, 3, heating chamber, 4, condensation chamber, 5, semiconductor heating cooling piece, 6, condensate outlet, 7, condensate liquid entrance, 8, condensation outlet, 9, condensation entrance, 10, negative pressure system interface, 11, condenser wall, 12, serpentine condenser, 13 solvent vapo(u)r entrances, 14, solvent collection mouth, 15, test-tube stent, 16, condensation chamber closing in support.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is elaborated.

A kind of high-effect solvent concentration systems of the utility model as shown in Figure 1, comprise condensation chamber in housing, solvent condenses retracting device, housing and heating chamber independently, the bottom of described heating chamber and interior are installed on semiconductor heating cooling piece, described heating chamber is positioned in described condensation chamber, the chill surface of described semiconductor heating cooling piece is near the outer wall of dividing plate, and the face that heats of described semiconductor heating cooling piece is near the inwall of heating chamber; Described heating chamber is also provided with seal cover, on described seal cover, offer steam (vapor) outlet, described steam (vapor) outlet is connected with the steam inlet of described solvent condenses retracting device by pipeline, described condensation chamber offer respectively condensate outlet and condensate liquid entrance, described condensate outlet is connected with condensation outlet with the condensation entrance of described solvent condenses retracting device by pipeline respectively with condensate liquid entrance.The inner and outer wall surface of described heating chamber is provided with radiating fin.

On described connection condensation chamber and the pipeline of solvent condenses retracting device, be also installed on circulating condensing liquid driving pump, by pump, provide condensate flow power.The preferred condensate liquid of the utility model is salt solution, ethanol or liquefied ammonia.The separate design of heating chamber of the present utility model and condensation chamber, for the ease of heating chamber, can in condensation chamber, firmly exist, position near outlet on condensation chamber inwall is provided with condensation chamber closing in support, this condensation chamber closing in support not only can make condensation chamber in closed environment relatively, but also can guarantee the position stability of heating chamber.

Solvent condenses retracting device comprises solvent vapo(u)r condensation chamber as shown in Figure 2, in described solvent vapo(u)r condensation chamber, be provided with serpentine condenser, on described solvent vapo(u)r condensation chamber, be respectively arranged with the steam inlet being communicated with heating chamber and the solvent outlet being communicated with solvent collection container, the two ends of described serpentine condenser are communicated with condensate outlet and the condensate liquid entrance of condensing container respectively.In order to promote, evaporation efficiency, can connect negative pressure system, use the utility model carry out solvent concentrated before, with the negative pressure system vacuumizing, the inside of condensation end and fire end is vacuumized.Solvent condenses retracting device is prior art, and the utility model application documents no longer describe in detail.

In described heating chamber, be also placed with for putting the solvent bottle of solvent to be evaporated, and for fixing the fixed mount of described solvent bottle.Described housing coupling has sealing cover body.

The utility model is simple in structure, and capacity usage ratio is high, and equipment volume is little, and transportation is easy to carry.The utility model has replaced the independent electrical heating and the electric refrigeration plant that on legacy equipment, use with semiconductor heating cooling piece.Semiconductor heating cooling piece is transferred to heating chamber by the heat in condensing container and heats, at heating chamber, fill water, solvent heating to solvent bottle inside makes it become steam, simultaneously, heat in condensing container is pulled away the temperature of rear reduction condensing agent, condensing agent is admitted to and solvent vapo(u)r is carried out in solvent condenses retracting device coolingly, and then condensing agent is back to condensation chamber and further by semiconductor heating cooling piece, is lowered the temperature, and circulation so; Can utilize less energy to complete cooling to the heating of solvent and condensing agent simultaneously, improve the efficiency of product.

Semiconductor heating cooling piece is without any need for cold-producing medium, can continuous operation, and do not have pollution sources there is no rotary part, can not produce gyroscopic action, there is no slide unit is a kind of solid piece part, does not have vibrations, noise, life-span long during work, installs easily.Semiconductor heating cooling piece has two kinds of functions, can freeze, and can heat again, and heating efficiency is very high, is forever greater than 1.Therefore use a sheet part just can replace discrete heating system and refrigeration system.Semiconductor heating cooling piece is electric current transducing matrix part, by the control of input current, can realize high-precision temperature and control, and adds temperature measurement and control means, is easy to realize remote control, program control, computer control, is convenient to form automatic control system.

Semiconductor heating cooling piece thermal inertia is very little, and the cooling and warming time is very fast, and the in the situation that of the good cold junction zero load of hot-side heat dissipation, energising was less than one minute, and cooling piece just can reach maximum temperature difference.The right power of the single cooling module of semiconductor heating cooling piece is very little, but be combined into pile, with the Combination of Methods of pile series and parallel of the same type, become refrigeration system, it is very large that power just can be done, so refrigeration work consumption can accomplish that several milliwatts are to the scope of upper myriawatt.The temperature range of semiconductor heating cooling piece, can realize to 130 ℃ of negative temperatures from 90 ℃ of positive temperature.The control of semiconductor heating cooling piece, be installed as prior art, the utility model is not repeating.

More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (8)

1. a high-effect solvent concentration systems, it is characterized in that, comprise condensation chamber in housing, solvent condenses retracting device, housing and heating chamber independently, the bottom of described heating chamber and interior are installed on semiconductor heating cooling piece, described heating chamber is positioned in described condensation chamber, the chill surface of described semiconductor heating cooling piece is near the outer wall of dividing plate, and the face that heats of described semiconductor heating cooling piece is near the inwall of heating chamber; Described heating chamber is also provided with seal cover, on described seal cover, offer steam (vapor) outlet, described steam (vapor) outlet is connected with the steam inlet of described solvent condenses retracting device by pipeline, described condensation chamber offer respectively condensate outlet and condensate liquid entrance, described condensate outlet is connected with condensation outlet with the condensation entrance of described solvent condenses retracting device by pipeline respectively with condensate liquid entrance.
2. a kind of high-effect solvent concentration systems according to claim 1, is characterized in that, the inner and outer wall surface of described heating chamber is provided with radiating fin.
3. a kind of high-effect solvent concentration systems according to claim 1, is characterized in that, on described connection condensation chamber and the pipeline of solvent condenses retracting device, is also installed on circulating condensing liquid driving pump.
4. a kind of high-effect solvent concentration systems according to claim 1, it is characterized in that, described solvent condenses retracting device comprises solvent vapo(u)r condensation chamber, in described solvent vapo(u)r condensation chamber, be provided with serpentine condenser, on described solvent vapo(u)r condensation chamber, be respectively arranged with the steam inlet being communicated with heating chamber and the solvent outlet being communicated with solvent collection container, the two ends of described serpentine condenser are communicated with condensate outlet and the condensate liquid entrance of condensing container respectively.
5. a kind of high-effect solvent concentration systems according to claim 1, is characterized in that, in described heating chamber, be also placed with for putting the solvent bottle of solvent to be evaporated, and for fixing the fixed mount of described solvent bottle.
6. a kind of high-effect solvent concentration systems according to claim 1, is characterized in that, in described heating chamber, be also placed with for putting the test tube of solvent to be evaporated, and for fixing the test-tube stent of described test tube.
7. a kind of high-effect solvent concentration systems according to claim 1, is characterized in that, described housing coupling has sealing cover body.
8. a kind of high-effect solvent concentration systems according to claim 1, is characterized in that, described seal cover is transparent configuration.
CN201420462277.1U 2014-08-15 2014-08-15 A kind of high-effect solvent concentration systems CN203971416U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105311853A (en) * 2015-10-15 2016-02-10 南京航空航天大学 Closed self-backheating semiconductor heat pump low-temperature vaporization system and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105311853A (en) * 2015-10-15 2016-02-10 南京航空航天大学 Closed self-backheating semiconductor heat pump low-temperature vaporization system and method

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Granted publication date: 20141203

Termination date: 20150815

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