CN103007555A - Vacuum concentrator - Google Patents
Vacuum concentrator Download PDFInfo
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- CN103007555A CN103007555A CN2012105541758A CN201210554175A CN103007555A CN 103007555 A CN103007555 A CN 103007555A CN 2012105541758 A CN2012105541758 A CN 2012105541758A CN 201210554175 A CN201210554175 A CN 201210554175A CN 103007555 A CN103007555 A CN 103007555A
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Abstract
The invention discloses a vacuum concentrator. The vacuum concentrator comprises a heater and an evaporator, wherein a gas outlet of the heater is communicated with a steam inlet of the evaporator; a condensing passage is arranged inside a condenser; a steam outlet of the evaporator is communicated with an inlet of the condensing passage; a liquid collector is arranged below the condenser; the condensing passage stretches into the liquid collector from the top of the liquid collector; a vacuum tube is arranged on the liquid collector; the distance between the vacuum tube and an outlet of the condensing passage is proper when condensate flows out of the outlet of the condensing passage and is not brought out of the liquid collector by a vacuum system; a liquid draining port is connected with a water draining pump; and the outlet of the condensing passage is positioned above the liquid surface of the condensate inside the liquid collector. The vacuum concentrator can be used for concentrating liquid materials in chemical, pharmaceutical and food industries and the like.
Description
Technical field
The present invention relates to a kind of vacuum concentrator, belong to the evaporation equipment technical field.
Background technology
In the technical fields such as chemical industry, pharmacy and food, often need to feed liquid be concentrated, inspissator is used for the solvent of evaporation feed liquid just, extracts the equipment of high-purity feed liquid.Inspissator is divided into normal pressure inspissator and high pressure inspissator according to its pressure difference, for the normal pressure inspissator, in order to improve its thickening efficiency, needs higher thickening temperature, has correspondingly also increased energy consumption; And when containing heat-sensitive substance in the material to be concentrated, heat-sensitive substance is at high temperature sex change easily, has affected the stability of enriched product quality.
In order to overcome the above-mentioned shortcoming of normal pressure inspissator, the researcher proposes a kind of vacuum concentrator, and it can concentrate under lower temperature, has not only reduced energy consumption, and heat-sensitive substance has also kept stability in concentration process.A kind of traditional Chinese medicine extraction concentrator is disclosed such as Chinese patent literature CN2332406Y, comprise extractor, heater and evaporimeter, the top of heater is connected with evaporimeter, the position of extractor is higher than heater and evaporimeter, the bottom of heater and extractor is connected by the drug liquid tube with by-pass valve control, and the liquid in the extractor can the control through by-pass valve control flow to heater under Action of Gravity Field; The top of extractor also is provided with reflux condenser, and the outlet of reflux condenser and vacuum system are communicated with; Be provided with between the top of extractor and evaporimeter with the steam pipe that extracts valve, steam pipe is by being connected with the entrance that another reclaims condenser with the recovery tube that reclaims valve, and the outlet of this recovery condenser also is connected with vacuum system; The bottom of reclaiming condenser is recycling cavity, and the below of recycling cavity is recycling can, and the bottom of recycling cavity is connected with recycling can by breather pipe and fluid-through tube, is provided with breather valve on the breather pipe, is provided with logical liquid valve on the fluid-through tube.When needs concentrate separately, closing control valve and extraction valve, open the recovery valve, vacuum system vacuumized evaporimeter by reclaiming condenser when heater led to steam to evaporimeter, breather valve and logical liquid valve are closed in removal process, constantly accumulate condensate liquid in the recycling cavity, when running up to a certain degree, stop first vacuumizing and logical steam, open successively again breather valve and logical liquid valve, make condensate stream in recycling can, again close breather valve and logical liquid valve after emptying and carry out next round and vacuumize and concentrate.In the above-mentioned technology, all need first to stop to vacuumize and logical steam before condensate liquid being recycled to recycling can at every turn, behind the recovery condensate liquid, also need device is carried out emptying and again vacuumizes and could again concentrate, not only complex operation, energy consumption increase, and thickening efficiency is very low.
The technical problem that in use exists in order to solve above-mentioned vacuum concentrator, Chinese patent literature CN201949667U discloses a kind of dual-effect concentrator, comprises that heater is imitated in one of sequentially connection and evaporimeter, two is imitated heater and evaporimeter, water knockout drum and condensers; Condenser connects total vacuum tube, and total vacuum tube connects vacuum system; The below of condenser is provided with and is subjected to liquid bath, is subjected to the inside of liquid bath to be provided with a dividing plate and will be subjected to the liquid bath inner sealing to be divided into the upper and lower, be connected with the bottom of condenser by the top of liquid bath; Be connected with total vacuum tube by the bottom of liquid bath near being subjected to the liquid bath cell wall to be provided with a bypass vacuum tube, and be provided with branch's vacuum tube and be connected with the bypass vacuum tube by the top of liquid bath, be provided with the vacuum communicating valve at branch's vacuum tube, on the bypass vacuum tube, between branch's vacuum tube and bypass vacuum tube, be provided with the vacuum by-passing valve.When concentrated, close the vacuum by-passing valve, open the vacuum communicating valve, vacuum system provides vacuum environment by total vacuum tube for inspissator, when the concentrate that is subjected to the liquid bath bottom is stacked into to a certain degree, close the vacuum communicating valve, the bottom tapping, emptying of liquid bath will be subjected to, open first afterwards the vacuum by-passing valve, with system vacuum to being subjected to the liquid bath bottom to replenish vacuum, when being subjected to vacuum in the liquid bath to equal vacuum in the dual-effect concentrator, close the vacuum by-passing valve, and open simultaneously the vacuum communicating valve, recover to collect condensate liquid to the bottom that is subjected to liquid bath.
In the above-mentioned technology, the always close condensate liquid of collecting of the setting position of vacuum tube, so vacuum system not only causes the loss of solvent easily by the collected condensate liquid of total vacuum tube sucking-off, also damages easily vacuum equipment simultaneously.
In addition, although each when discharging condensate liquid, need not whole inspissator is carried out emptying and again vacuumizes, only need carry out emptying to the bottom that is subjected to liquid bath and heavily vacuumize, and reduced to a great extent energy consumption, improved thickening efficiency; But, above-mentioned inspissator all needs vacuum communicating valve and vacuum by-passing valve are regulated before and after each discharging condensate liquid, complex operation, and to the emptying that is subjected to the liquid bath bottom with vacuumize still and can waste portion of energy, cause the thickening efficiency of vacuum concentrator to reduce.
Summary of the invention
Technical problem to be solved by this invention is that vacuum system of the prior art easily will be near the condensate liquid sucking-off of total vacuum tube, thereby cause easily the loss of solvent and the damage of vacuum equipment, and then a kind of vacuum concentrator that prevents or reduce the vacuum system suction is proposed.
Another technical problem to be solved by this invention to be vacuum concentrator of the prior art need when row's condensate liquid continually by-pass valve control with to being subjected to the liquid bath bottom to carry out emptying and again vacuumize, complex operation not only, and energy consumption increases, and reduced the operating efficiency of vacuum concentrator; And then a kind of high and vacuum concentrator simple to operate of thickening efficiency emptying and that again vacuumize that need not when discharging condensate liquid to carry out proposed.
For solving the problems of the technologies described above, the invention provides a kind of vacuum concentrator, comprise that heater is provided with charging aperture on the described heater, the top of described heater is provided with the gas outlet, the bottom is provided with the concentrate feed outlet that can control switching;
Evaporimeter is provided with steam inlet on the described evaporimeter, is provided with steam (vapor) outlet on the described evaporimeter, and the gas outlet of described heater is connected with the steam inlet of described evaporimeter;
Condenser is provided with condensation channel in the described condenser, and the steam (vapor) outlet of described evaporimeter is connected with the condensation channel entrance;
Fluid collection chamber, described fluid collection chamber is arranged on the below of described condenser, and the top that described condensation channel runs through described fluid collection chamber is connected with described fluid collection chamber inside;
Liquid trap, described liquid trap is arranged on the below of described fluid collection chamber, the bottom of described fluid collection chamber is provided with drain pipe, described drain pipe extends in the described liquid trap, the quantity of described drain pipe is less than the quantity of described condensation channel, the bottom of described liquid trap is formed with fluid chamber, is provided with leakage fluid dram on the described fluid chamber;
Be provided with on the described liquid trap for the vacuum tube that connects vacuum system, the position of described drain pipe outlet is lower than described vacuum tube, and the distance between described vacuum tube and the outlet of described drain pipe is suitable for condensate liquid and is flowed directly in the described fluid chamber by described drain pipe outlet; Described drain pipe outlet is positioned at the top of described fluid chamber.
Distance between described vacuum tube and the outlet of described drain pipe is greater than 500mm.
Described leakage fluid dram is connected with draining pump.
Also comprise being subjected to liquid bath, the described below that is subjected to liquid bath to be arranged on described liquid trap, the described top of liquid bath that is subjected to is provided with inlet and liquid outlet, and the leakage fluid dram of described liquid trap is connected with the described inside of liquid bath that is subjected to by described inlet; Described liquid outlet is connected with described draining pump.
The bottom of described liquid trap is back taper, and described leakage fluid dram is arranged at the bottom of this back taper.
Also comprise the backup line with service valve, described backup line is connected the fluid chamber of described liquid trap with being subjected to liquid bath.
The described liquid-level switch that is subjected to be provided with on the liquid bath for the opening and closing of control draining pump, described liquid-level switch is connected with draining pump.
Also comprise cooler, described cooler is between described condenser and liquid trap, and described fluid collection chamber is arranged in the described cooler, and the bottom that described drain pipe runs through described cooler is connected with described liquid trap.
Twist, the outlet of the cooling medium of described cooler is connected with the cooling medium inlet of described condenser described drain pipe in described cooler.
Be provided with the feed liquid passage in the described heater, described charging aperture, concentrate feed mouth and gas outlet all are connected with described feed liquid passage; The bottom of described evaporimeter is provided with material liquid outlet, and described material liquid outlet is connected with described feed liquid passage by pipeline.
Be communicated with on the pipeline of described material liquid outlet and feed liquid passage and be provided with sample tap.
The top of described evaporimeter is provided with mist eliminator, and described steam (vapor) outlet communicates with the inside of described evaporimeter by described mist eliminator.
Be provided with heat-insulation layer on the outer wall of described heater and evaporimeter, be provided with observation window on the described evaporimeter.
The present invention compares with the prior art scheme has following beneficial effect:
(1) vacuum concentrator of the present invention comprises heater, is provided with charging aperture on the described heater, and the top of described heater is provided with the gas outlet, the bottom is provided with the concentrate feed outlet that can control switching; Evaporimeter is provided with steam inlet on the described evaporimeter, is provided with steam (vapor) outlet on the described evaporimeter, and the gas outlet of described heater is connected with the steam inlet of described evaporimeter; Condenser is provided with condensation channel in the described condenser, and the steam (vapor) outlet of described evaporimeter is connected with the condensation channel entrance; Fluid collection chamber, described fluid collection chamber is arranged on the below of described condenser, and the top that described condensation channel runs through described fluid collection chamber is connected with described fluid collection chamber inside; Liquid trap, described liquid trap is arranged on the below of described fluid collection chamber, the bottom of described fluid collection chamber is provided with drain pipe, described drain pipe extends in the described liquid trap, the quantity of described drain pipe is less than the quantity of described condensation channel, the bottom of described liquid trap is formed with fluid chamber, is provided with leakage fluid dram on the described fluid chamber; Be provided with on the described liquid trap for the vacuum tube that connects vacuum system, the position of described drain pipe outlet is lower than described vacuum tube, and the distance between described vacuum tube and the outlet of described drain pipe is suitable for condensate liquid and is flowed directly in the described fluid chamber by described drain pipe outlet; Described drain pipe outlet is positioned at the top of described fluid chamber.
Vacuum system provides vacuum environment by the vacuum tube that arranges on the liquid trap for whole inspissator, so that the boiling point of feed liquid reduces, after the feed liquid heater via heating that is entered by charging aperture, the pipeline that the steam that produces is connected with steam inlet by the gas outlet enters in the evaporimeter, and in evaporimeter, carrying out gas-liquid separation, isolated steam is entered by steam (vapor) outlet in the condensation channel of condenser and carries out condensation; Condensed liquid directly flows in the fluid collection chamber, and the drain pipe by fluid collection chamber flow in the fluid chamber of liquid trap bottom afterwards, and last, condensate liquid is discharged liquid trap by leakage fluid dram.Drain pipe outlet is lower than the position of vacuum tube and away from vacuum tube, thereby vacuum tube is away from condensate liquid, when being flowed out by the drain pipe outlet, condensate liquid can not taken away by the vacuum system at vacuum tube place, but directly flow to the fluid chamber of liquid trap bottom, thereby avoided total vacuum tube that vacuum system is passed through close condensate liquid easily in the prior art with the condensate liquid sucking-off, the problem that causes solvent loss and vacuum equipment to damage.
Condensate liquid can natural evaporation become steam in liquid trap, because the quantity of drain pipe is less than the quantity of condensation channel, thereby the disengagement area of drain pipe outlet is less than the disengagement area of condensation channel outlet, and this has just further reduced the natural evaporation amount of condensate liquid, has saved solvent; The drain pipe outlet is positioned at the top of described fluid chamber, can guarantee that the drain pipe outlet is positioned at the top of condensate liquid liquid level all the time, is consistent with vacuum tube all the time to guarantee the vacuum in the inspissator.
(2) vacuum concentrator of the present invention, described leakage fluid dram is connected with draining pump.Can directly condensate liquid in time be discharged liquid trap by the control draining pump, simultaneously in discharge process, the operation of whole inspissator remains under the vacuum state, need not to carry out vacuum evacuates and heavily vacuumizes.Needing in the prior art to have avoided frequent by-pass valve control to being subjected to liquid bath to carry out emptying and again vacuumizing operation inconvenience, energy dissipation and the low problem of thickening efficiency of bringing.
(3) vacuum concentrator of the present invention, also comprise and be subjected to liquid bath, the described below that is subjected to liquid bath to be arranged on described liquid trap, the described top of liquid bath that is subjected to is provided with inlet and liquid outlet, and the leakage fluid dram of described liquid trap is connected with the described inside of liquid bath that is subjected to by described inlet; Described liquid outlet is connected with described draining pump.
Condensation channel exports the condensate stream of discharge to the fluid chamber of liquid trap bottom, flows to by leakage fluid dram and inlet to be subjected in the liquid bath, after the condensate liquid in being subjected to liquid bath accumulates to a certain degree, discharges inspissator under the draining pump effect.Vacuum tube and condensate liquid are kept apart by liquid bath, reduce the evaporation capacity of condensate liquid, simultaneously, be subjected to liquid bath to export condensate liquid and drain pipe isolated by setting, the assurance inspissator is worked under the vacuum environment that vacuum system provides, and avoids causing the unsettled problem of inspissator internal pressure.
(4) vacuum concentrator of the present invention also comprises the backup line with service valve, and described backup line is connected the fluid chamber of described liquid trap with being subjected to liquid bath.Service valve cuts out in the ordinary course of things, only when leakage fluid dram, inlet or draining pump break down, opens service valve, the condensate liquid in the fluid chamber is discharged to by backup line be subjected to collect in the liquid bath, and then discharges inspissator.
(5) vacuum concentrator of the present invention, the described liquid-level switch that is subjected to be provided with on the liquid bath for the opening and closing of control draining pump, described liquid-level switch is connected with draining pump.
The position of liquid-level switch lays respectively at K
1And K
2, the liquid level in being subjected to liquid bath rises to a certain liquid level K
1The time, described draining pump draining is opened in liquid-level switch control, when being subjected to the liquid level in the liquid bath to drop to K after the draining
2The time, liquid-level switch control is closed draining pump and is stopped draining, and condensate liquid is accumulated in by inlet and is subjected in the liquid bath, until liquid level reaches K1 again, continues to repeat said process; The liquid-level switch that arranges can guarantee the continuous automatic operation of draining pump, need not manually-operated.
(6) vacuum concentrator of the present invention, also comprise cooler, described cooler is between described condenser and liquid trap, and described fluid collection chamber is arranged in the described cooler, and the bottom that described drain pipe runs through described cooler is connected with described liquid trap.Twist, the outlet of the cooling medium of described cooler is connected with the cooling medium inlet of described condenser described drain pipe in described cooler.
Fluid temperature after condenser condenses is low not, especially for the lower liquid of the boiling points such as ethanol, be easy to be mixed with a part of steam in the liquid, by cooler the liquid in fluid collection chamber and the drain pipe is further entered in the liquid trap after the cooling again, can avoid liquid vapors to be caused damage by the vacuum system sucking-off; Drain pipe curves helical form in cooler, can further increase film-cooled heat, thereby makes condensed mixture fully be condensed into liquid; The medium temperature of cooler cooling medium outlet is very low, is enough to use as the cooling medium in the condenser.
(7) vacuum concentrator of the present invention is provided with the feed liquid passage in the described heater, described charging aperture, concentrate feed mouth and gas outlet all are connected with described feed liquid passage; The bottom of described evaporimeter is provided with material liquid outlet, and described material liquid outlet is connected with described feed liquid passage by pipeline.Be communicated with on the pipeline of described material liquid outlet and feed liquid passage and be provided with sample tap.The top of described evaporimeter is provided with mist eliminator, and described steam (vapor) outlet communicates with the inside of described evaporimeter by described mist eliminator.
Isolated liquid flow back into that to re-start heating in the feed liquid passage of heater concentrated in the evaporimeter, takes full advantage of feed liquid; Whether the concentration that can monitor at any time feed liquid by sample tap reaches requirement; The foam that contains feed liquid in the evaporimeter can reduce the concentration that concentrates rear feed liquid with the steam discharge, and mist eliminator can be avoided taking foam out of evaporimeter, thereby can improve the concentration of concentrated rear feed liquid.
Description of drawings
Content of the present invention is easier to be understood in order to make, and the present invention is further detailed content of the present invention with the specific embodiment by reference to the accompanying drawings;
Fig. 1 is the structural representation of vacuum concentrator of the present invention;
Fig. 2 is the vacuum concentrator structural representation with draining pump of the present invention;
Fig. 3 is of the present invention with draining pump and the vacuum concentrator structural representation that is subjected to liquid bath;
Fig. 4 be of the present invention with draining pump, be subjected to the vacuum concentrator structural representation of liquid bath, backup line and liquid-level switch;
Fig. 5 be of the present invention with draining pump, be subjected to the vacuum concentrator structural representation of liquid bath, backup line, liquid-level switch and cooler;
Fig. 6 be of the present invention with draining pump, be subjected to the vacuum concentrator structural representation of liquid bath, backup line, liquid-level switch, cooler and feed liquid passage;
Fig. 7 be of the present invention with draining pump, be subjected to the vacuum concentrator structural representation of liquid bath, backup line, liquid-level switch, cooler, feed liquid passage, sample tap, mist eliminator, heat-insulation layer and observation window;
Wherein Reference numeral is: 1-heater, 2-gas outlet, 3-steam inlet, 4-condensation-water drain, the 5-charging aperture, the outlet of 6-concentrate feed, 7-evaporimeter, the 8-steam (vapor) outlet, 9-mist eliminator, 10-steam inlet, the 11-observation window, 12-sample tap, 13-condensation channel entrance, the 14-condensation channel, 15-condenser, the cooling medium inlet of 16-condenser, the cooling medium outlet of 17-cooler, 18-cooler, 19-vacuum tube, the 20-liquid trap, 21-backup line, 22-leakage fluid dram, the 23-inlet, 24-is subjected to liquid bath, the 25-liquid-level switch, the 26-liquid outlet, 27-draining pump, 28-heat-insulation layer, 29-feed liquid passage, 30-fluid collection chamber, the outlet of 31-drain pipe.
The specific embodiment
Embodiment 1
Vacuum concentrator of the present invention comprises heater 1 as shown in Figure 1, is provided with charging aperture 5 on the described heater 1, and the position of described charging aperture 5 can be selected as required, and in the present embodiment, described charging aperture 5 is arranged on the bottom of described heater 1; The top of described heater 1 is provided with gas outlet 2, and in the present embodiment, described gas outlet 2 is arranged on the top of described heater 1; The bottom is provided with the concentrate feed outlet 6 that can control switching, and the position of described concentrate feed outlet 6 can be selected as required, and in the present embodiment, described concentrate feed outlet 6 is arranged on the bottom of described heater 1; Described heater 1 is present any commercially available heater 1, and its mode of heating is attainable any mode, preferred electrical heating and Steam Heating etc., and in the present embodiment, described heater 1 is electric heater;
Evaporimeter 7 is provided with steam inlet 10 on the described evaporimeter 7, and the position of described steam inlet 10 can be selected as required, and in the present embodiment, described steam inlet 10 is arranged on the bottom of described evaporimeter 7; The top of described evaporimeter 7 is provided with steam (vapor) outlet 8, and in the present embodiment, described steam (vapor) outlet 8 is arranged on the top of described evaporimeter 7; The gas outlet 2 of described heater 1 is connected with the steam inlet 10 of described evaporimeter 7;
Be provided with on the described liquid trap 20 for the vacuum tube 19 that connects vacuum system, the position of described drain pipe outlet 31 is lower than described vacuum tube 19, the distance that described vacuum tube 19 and the outlet of described drain pipe are 31 is suitable for condensate liquid and is flowed directly in the described fluid chamber by described drain pipe outlet 31, in the present embodiment, described vacuum tube 19 is arranged at the top of described liquid trap 20, described drain pipe outlet 31 is positioned at the bottom of described liquid trap 20, and the distance between described vacuum tube 19 and the drain pipe outlet 31 is 500mm; Described drain pipe outlet 31 is positioned at the top of described fluid chamber.
Vacuum system provides vacuum environment by the vacuum tube 19 that arranges on the liquid trap 20 for whole inspissator, so that the boiling point of feed liquid reduces, after feed liquid heater via 1 heating that is entered by charging aperture 5, the pipeline that the steam that produces is connected with steam inlet 10 by gas outlet 2 enters in the evaporimeter 7, and in evaporimeter 7, carrying out gas-liquid separation, isolated steam is entered by steam (vapor) outlet 8 in the condensation channel 14 of condenser 15 and carries out condensation; Condensed liquid directly flows in the fluid collection chamber 30, and the drain pipe by fluid collection chamber 30 flow in the fluid chamber of liquid trap 20 bottoms afterwards, and is last, and condensate liquid is discharged liquid trap 20 by leakage fluid dram 22.Drain pipe outlet 31 is lower than the position of vacuum tube 19 and away from vacuum tube 19, thereby vacuum tube 19 is away from condensate liquid, when condensate liquid is flowed out by drain pipe outlet 31, can not taken away by the vacuum system at vacuum tube 19 places, but directly flow to the fluid chamber of liquid trap 20 bottoms.
As shown in Figure 2, the described vacuum concentrator of present embodiment is on the basis of above-described embodiment, and described leakage fluid dram 22 is connected with draining pump 27, and the condensed fluid of collecting in the fluid chamber is discharged through leakage fluid dram 22 by draining pump 27; Distance between described vacuum tube 19 and the drain pipe outlet 31 becomes 700mm.
Embodiment 3
As shown in Figure 3, the described vacuum concentrator of present embodiment also comprises being subjected to liquid bath 24 the described below that is subjected to liquid bath 24 to be arranged on described liquid trap 20 on the basis of above-described embodiment, in the present embodiment, the distance between described vacuum tube 19 and the drain pipe outlet 31 is set as 900mm; The bottom of described liquid trap 20 is connected with the top that is subjected to liquid bath 24; Describedly be subjected to be provided with on the liquid bath 24 inlet 23 and liquid outlet 26, in the present embodiment, described inlet 23 is arranged on the described top that is subjected to liquid bath 24, and described liquid outlet 26 is arranged on the described bottom that is subjected to liquid bath 24; The leakage fluid dram 22 of described liquid trap 20 is connected with the described inside of liquid bath 24 that is subjected to by described inlet 23; Described liquid outlet 26 is connected with described draining pump 27; And the bottom of described liquid trap 20 is back taper, described leakage fluid dram 22 be arranged at the bottom of this back taper.
Embodiment 4
As shown in Figure 4, the described vacuum concentrator of present embodiment is on the basis of above-described embodiment, also comprise the backup line 21 with service valve, described backup line 21 is connected the fluid chamber of described liquid trap 20 with being subjected to liquid bath 24, by opening or closing service valve and control enabling or closing of backup line 21; The described liquid-level switch 25 that is subjected to be provided with on the liquid bath 24 for 27 opening and closing of control draining pump, described liquid-level switch 25 is connected with draining pump 27, described liquid-level switch 25 is any commercially available liquid-level switch 25, in the present embodiment, described liquid-level switch 25 has respectively a switch block in the upper and lower that is subjected to liquid bath 24, when liquid level arrives the switch block on top, the 27 beginning drainings of liquid-level switch 25 control draining pumps, when liquid level decline arrived the position of lower switches parts, liquid-level switch 25 control draining pumps 27 stopped draining.
As shown in Figure 5, the described vacuum concentrator of present embodiment is on the basis of above-described embodiment, also comprise cooler 18, described cooler 18 is between described condenser 15 and liquid trap 20, and described fluid collection chamber 30 is arranged in the described cooler 18, in the present embodiment, the bottom of described condenser 15 is the top of cooler 18, and the top of described liquid trap 20 is the bottom of cooler 18; The bottom that described drain pipe runs through by described cooler 18 is connected with described liquid trap 20, described drain pipe in described cooler 18 twist, in the present embodiment, described condenser 15 bottoms are provided with cooling medium inlet, top is provided with the cooling medium outlet, and the bottom of described cooler 18 is provided with cooling medium inlet, top is provided with the cooling medium outlet; The cooling medium of described cooler outlet 17 is connected with the cooling medium inlet 16 of described condenser.
Embodiment 6
As shown in Figure 6, on the basis of the described vacuum concentrator above-described embodiment of present embodiment, be provided with feed liquid passage 29 in the described heater 1, the shape of described feed liquid passage 29 can be selected arbitrarily as required, in the present embodiment, described feed liquid passage 29 is the some tubulations that vertically are arranged in the heater 1; Described charging aperture 5, concentrate feed mouth and gas outlet 2 all are connected with described feed liquid passage 29, in the present embodiment, described heat medium is chosen as steam, is provided with steam inlet 3 on the described heater 1, and the outer surface that the steam that enters thus spreads in feed liquid passage 29 heats; The bottom of described evaporimeter 7 is provided with material liquid outlet, and described material liquid outlet is connected with described feed liquid passage 29 by pipeline, and the feed liquid reuse that evaporimeter 7 interior condensations are got off enters and re-starts heating and evaporation in the heater 1.
Embodiment 7
As shown in Figure 7, on the basis of the described vacuum concentrator above-described embodiment of present embodiment, be communicated with on the pipeline of described material liquid outlet and feed liquid passage 29 and be provided with sample tap 12, be used for the concentration of test reuse feed liquid Chinese traditional medicine; The top of described evaporimeter 7 is provided with mist eliminator 9, described steam (vapor) outlet 8 communicates with the inside of described evaporimeter 7 by described mist eliminator 9, mist eliminator 9 can be separated the feed liquid foam that carries in the steam, and the unnecessary medicine of avoiding carrying out causes the concentrated rear low problem of feed liquid Chinese traditional medicine concentration; Be provided with heat-insulation layer 28 on the outer wall of described heater 1 and evaporimeter 7, be provided with observation window 11 on the described evaporimeter 7, in the present embodiment, described observation window 11 is arranged on the manhole place, and can open, observe and equipment is cleared up by these observation window 11 convenient equipment are used.
Although the present invention has carried out detailed elaboration by above-mentioned specific embodiment to it; but; those skilled in the art should be understood that any form that does not exceed the claim protection domain made on this basis and the variation of details, all belong to invention which is intended to be protected.
Claims (13)
1. a vacuum concentrator comprises,
Heater (1) is provided with charging aperture (5) on the described heater (1), the top of described heater (1) is provided with gas outlet (2), the bottom is provided with the concentrate feed outlet (6) that can control switching;
Evaporimeter (7) is provided with steam inlet (10) on the described evaporimeter (7), be provided with steam (vapor) outlet (8) on the described evaporimeter (7), and the gas outlet (2) of described heater (1) is connected with the steam inlet (10) of described evaporimeter (7);
Condenser (15) is provided with condensation channel (14) in the described condenser (15), the steam (vapor) outlet (8) of described evaporimeter (7) is connected with condensation channel entrance (13);
Fluid collection chamber (30), described fluid collection chamber (30) is arranged on the below of described condenser (15), and the top that described condensation channel (14) runs through described fluid collection chamber (30) is connected with described fluid collection chamber (30) inside;
Liquid trap (20), described liquid trap (20) is arranged on the below of described fluid collection chamber (30), the bottom of described fluid collection chamber (30) is provided with drain pipe, described drain pipe extends in the described liquid trap (20), the quantity of described drain pipe is less than the quantity of described condensation channel, the bottom of described liquid trap (20) is formed with fluid chamber, is provided with leakage fluid dram (22) on the described fluid chamber;
It is characterized in that,
Be provided with on the described liquid trap (20) for the vacuum tube (19) that connects vacuum system, the position of described drain pipe outlet (31) is lower than described vacuum tube (19), and described vacuum tube (19) and described drain pipe export distance between (31) and be suitable for condensate liquid and export (31) by described drain pipe and be flowed directly in the described fluid chamber; Described drain pipe outlet (31) is positioned at the top of described fluid chamber.
2. vacuum concentrator according to claim 1 is characterized in that, the distance between described vacuum tube (19) and described drain pipe outlet (31) is greater than 500mm.
3. vacuum concentrator according to claim 1 and 2 is characterized in that, described leakage fluid dram (22) is connected with draining pump (27).
4. vacuum concentrator according to claim 3, it is characterized in that, also comprise and be subjected to liquid bath (24), the described below that is subjected to liquid bath (24) to be arranged on described liquid trap (20), describedly be subjected to be provided with on the liquid bath (24) inlet (23) and liquid outlet (26), the leakage fluid dram (22) of described liquid trap (20) is connected with the described inside of liquid bath (24) that is subjected to by described inlet (23); Described liquid outlet (26) is connected with described draining pump (27).
5. vacuum concentrator according to claim 4 is characterized in that, the bottom of described liquid trap (20) is back taper, and described leakage fluid dram (22) is arranged at the bottom of this back taper.
6. according to claim 4 or 5 described vacuum concentrators, it is characterized in that also comprise the backup line (21) with service valve, described backup line (21) is connected the fluid chamber of described liquid trap (20) with being subjected to liquid bath (24).
7. according to claim 4 or 5 or 6 described vacuum concentrators, the described liquid-level switch (25) that is subjected to be provided with on the liquid bath (24) for the opening and closing of control draining pump (27), described liquid-level switch (25) is connected with draining pump (27).
8. arbitrary described vacuum concentrator according to claim 1-7, it is characterized in that, also comprise cooler (18), described cooler (18) is positioned between described condenser (15) and the liquid trap (20), and described fluid collection chamber (30) is arranged in the described cooler (18), and the bottom that described drain pipe runs through described cooler (18) is connected with described liquid trap (20).
9. vacuum concentrator according to claim 8 is characterized in that, twist, the cooling medium of described cooler outlet (17) is connected with the cooling medium inlet (16) of described condenser described drain pipe in described cooler (18).
10. arbitrary described vacuum concentrator is characterized in that according to claim 1-9, is provided with feed liquid passage (29) in the described heater (1), and described charging aperture (5), concentrate feed mouth and gas outlet (2) all are connected with described feed liquid passage (29); The bottom of described evaporimeter (7) is provided with material liquid outlet, and described material liquid outlet is connected with described feed liquid passage (29) by pipeline.
11. vacuum concentrator according to claim 10 is characterized in that, is communicated with on the pipeline of described material liquid outlet and feed liquid passage (29) to be provided with sample tap (12).
12. arbitrary described vacuum concentrator is characterized in that according to claim 1-11, the top of described evaporimeter (7) is provided with mist eliminator (9), and described steam (vapor) outlet (8) communicates by the inside of described mist eliminator (9) with described evaporimeter (7).
13. arbitrary described vacuum concentrator is characterized in that according to claim 1-12, is provided with heat-insulation layer (28) on the outer wall of described heater (1) and evaporimeter (7), is provided with observation window (11) on the described evaporimeter (7).
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| CN201210554175.8A CN103007555B (en) | 2012-12-19 | 2012-12-19 | Vacuum concentrator |
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| CN201210554175.8A CN103007555B (en) | 2012-12-19 | 2012-12-19 | Vacuum concentrator |
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| CN103007555B CN103007555B (en) | 2015-07-01 |
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| CN103484233A (en) * | 2013-09-17 | 2014-01-01 | 暨南大学 | Method and device for preparing garlic oil with racemate alliin as raw materials |
| CN105169728A (en) * | 2015-09-29 | 2015-12-23 | 广西新龙制药有限责任公司 | Single-effect inspissator |
| CN105999749A (en) * | 2016-07-11 | 2016-10-12 | 浙江东成药业有限公司 | Three-effect falling-film evaporating equipment |
| CN111359243A (en) * | 2020-02-24 | 2020-07-03 | 温州阳羽机械科技有限公司 | Solvent evaporation loss reduction treatment equipment and process |
| CN111359236A (en) * | 2020-02-24 | 2020-07-03 | 温州阳羽机械科技有限公司 | Continuous drainage device under high vacuum state and concentration system thereof |
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| CN111359236A (en) * | 2020-02-24 | 2020-07-03 | 温州阳羽机械科技有限公司 | Continuous drainage device under high vacuum state and concentration system thereof |
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| CN103007555B (en) | 2015-07-01 |
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