CN204656030U - A kind of liquid distillation equipment - Google Patents

A kind of liquid distillation equipment Download PDF

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Publication number
CN204656030U
CN204656030U CN201520045918.8U CN201520045918U CN204656030U CN 204656030 U CN204656030 U CN 204656030U CN 201520045918 U CN201520045918 U CN 201520045918U CN 204656030 U CN204656030 U CN 204656030U
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CN
China
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gas
heat exchanger
raw
liq
housing
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CN201520045918.8U
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Chinese (zh)
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刘飞
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刘飞
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Priority to CN201520045918.8U priority Critical patent/CN204656030U/en
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Publication of CN204656030U publication Critical patent/CN204656030U/en

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Abstract

The utility model discloses a kind of liquid distillation equipment, equipment arranges heat exchanger plates in the housing, and heat exchanger plates two sides is set to evaporating surface, cryosurface respectively, and gas pipeline connects air pump, cooling device, arranges raw water pipeline in cooling device.The utility model utilizes air pump that gas is flowed, gas is successively through evaporating surface and the cryosurface of heat exchanger plates, force liquid to evaporate and condensation, the evaporation of liquid and the two sides being condensate in heat exchanger plates are carried out respectively simultaneously, and heat exchanger plates transmits the evaporation endothermic that condensation heat is used for liquid.The utility model decreases outwardly discharges heat, without the need to water-cooled or decrease water-cooled water, has saved water resource, has decreased energy consumption.

Description

A kind of liquid distillation equipment

Technical field

The utility model relates to liquid retort field, specifically a kind of liquid distillation purifying, concentrator and distillating method.

Background technology

Existing distillation technique, comprises distilled water production, desalinization, liquid concentration.Seawater or raw material liq heat by more mentioning, then hot water is humidified to air heat, and the air after humidification is cooled again, produces condensed water.In this technology existing, multiplex water cooling produces distilled water, and heats a large amount of is like this taken away by waste water, and the thermal efficiency is extremely low.In addition, also mention in prior art and utilize condensation heat to carry out the technology of preheating to raw water, be fully warmed-up at this technical scheme Raw water.Even if but the water of identical amount is heated to boiling, required heat is also only about 20% of its heat of evaporation, namely still have an appointment 80% the heat of condensation be wasted.If so only use condensation heat preheating material water, save the heat of 20% at the most.

summary of the inventionthe purpose of this utility model is to provide a kind of liquid distillation equipment and distillating method, to solve prior art Problems existing.

In order to achieve the above object, the technical scheme that the utility model adopts is:

A kind of liquid distillation equipment, it is characterized in that: include housing, air pump, heater, raw material liq pipeline, and connection housing, the gas pipeline of air pump, housing is provided with gas access and outlet, heater is positioned at outside housing or housing, also liquid distribution trough is provided with in housing, at least one piece of heat exchanger plates, described heat exchanger plates one side is set to evaporating surface, another side is set to cryosurface, the space be made up of heat exchanger plates evaporating surface and respective side housing sidewall or adjacent heat exchanger plates evaporating surface is evaporation region, the space that heat exchanger plates cryosurface and respective side housing sidewall or adjacent heat exchanger plates cryosurface are formed is condenser zone, evaporation region one end is only communicated with gas access, condenser zone one end is only communicated with gas vent, the evaporation region other end communicates in housing with the condenser zone other end, described gas access or outlet communicate with air pump, the evaporating surface of heat exchanger plates is accepted in described liquid distribution trough one end, the other end accepts raw material liq pipeline, described housing or gas pipeline are provided with tail washings outlet and condensate outlet.

Described a kind of liquid distillation equipment, is characterized in that: described distillation equipment also comprises cooling device, and cooling device is connected in gas pipeline and gas pipeline forms closed circulation.

Described a kind of liquid distillation equipment, is characterized in that: described heater can be arranged in raw material liq pipeline or outside it, heats raw material liq.

Described a kind of liquid distillation equipment, is characterized in that: described raw material liq pipeline is provided with heat exchanger, and heat exchanger is in housing, for carrying out heat exchange between raw material liq and gas.

Described a kind of liquid distillation equipment, is characterized in that: described heater is the steam jet stretched in housing, and the steam spraying into raw material liq to the gas in housing carrys out heated air and drives gas flowing.

Described a kind of liquid distillation equipment, is characterized in that: described raw material liq pipeline by cooling device, and is positioned at the attached in tandem heat exchanger of cooling device, carries out heat exchange with gas in raw material liq and cooling device.

Described a kind of liquid distillation equipment, is characterized in that: described distillation equipment also comprises air exhauster, makes intrasystem gas pressure be less than atmospheric pressure.

Described a kind of liquid distillation equipment, is characterized in that: described heat exchanger plates is tubulose, and the surfaces externally and internally of pipe is respectively as cryosurface and evaporating surface.

Described a kind of liquid distillation equipment, is characterized in that: be respectively equipped with heat exchanger in tail washings outlet and condensate outlet place, heat exchanger communicates with two branch roads of raw material liq pipeline, carries out preheating for tail washings and condensate liquid to raw material liq.

Described a kind of liquid distillation equipment, is characterized in that: three heat exchangers in parallel on raw material liq pipeline, and lays respectively in tail washings outlet, condensate outlet, gas discharge outlet pipeline, for the exchange heat between raw material liq and exhaust, tail washings, condensate liquid.

Described heater is a device that gas or raw material liq temperature are raised, and can use electrothermal method, also can use the mode such as Steam Heating, Waste Heat Recovery.Such as electric hot plate, electrothermal tube, steam jet, heat exchanger etc.When using Steam Heating, also can be in the direct injecting gas of steam.For the distillation equipment of less output, preferred use electrical heating, and steam heating is preferably used for more large-tonnage equipment, can pass in raw water with the mode of heating of gas and vapor permeation or steam in the direct injecting gas of water vapour when producing distilled water and raw water is heated.

In addition, heater can be placed in housing or outside housing and heat raw material liq or the raw material liq after being preheated, raw material liq is heated to uniform temperature, such as heater is electrothermal tube and is placed in side in or beyond the pipeline of raw material liq in housing, or be placed in the inner or outer of raw material liq pipeline section be in outside housing to heat raw material liq, when raw material liq is distributed to after on heat exchanger plates by liquid distribution trough, it evaporates on the one hand and enters gas, heats on the one hand to gas.When the design using heater to heat raw material liq, be equal to and directly distillation purifying carried out to high temperature raw material liq, namely directly adopt high temperature raw material liq (or further elevated temperature is heated to high-temp liquid raw material) liquid distribution trough of making a gift to someone.

Described distillation equipment has a heat exchanger plates at least, the effect of heat exchanger plates separates evaporation region and condenser zone, and two interregional gases carry out heat exchange by heat exchanger plates, the material that thus material of heat exchanger plates, shape should be beneficial to plate both sides carries out heat exchange.Carry out evaporation and the condensation of liquid respectively on the two sides of heat exchanger plates, its heat is transmitted by heat exchanger plates.Described heat exchanger plates can be tabular, but is not limited to tabular, also can be tubulose or other shapes, such as watt shape, arc, spirality etc.Heat exchanger plates can with ripple, embossing, fin to increase heat exchange efficiency.The material of heat exchanger plates should have good heat conductivility, preferable alloy, the stable in properties such as such as stainless steel, copper, aluminium, titanium alloy, the material that thermal conductivity is high.Heat exchanger plates one side produces liquid film by liquid distribution trough, and another side is cryosurface, and steam is in cryosurface condensation.Preferred heat exchanger plates is vertically placed, and raw material liq and condensate liquid flow down on plate two sides from top to bottom, and gas from bottom to top or top-downly flow through plate face.Heat exchanger plates also can laterally be placed, and namely the top-down spray of raw material liq flows through heat exchanger plates downwards, and gas then laterally flows through heat exchanger plates.When heat exchanger plates is tubulose and transverse horizontal place or with horizontal plane form an angle place time, raw material liq can spray the outer surface being distributed in pipe, and outer surface is as evaporating surface, and inner surface is as cryosurface.In addition, described heat exchanger plates can be heat pipe, and the two ends of heat pipe are respectively as evaporating surface and cryosurface.

In order to increase the film forming of aqueous materials liquid at evaporating surface, the evaporating surface can exchanging hot plate carries out hydrophilicity-imparting treatment, such as be oxidized, be coated with hydrophily paint etc., hotplate surface can be exchanged and carry out the process such as roughening processing, wire drawing, embossing processing, be beneficial to raw material liq distribution and heat exchange.

When described distillation equipment contains more than one piece of heat exchanger plates, each plate is placed at a certain distance, space between adjacent plate has gas to flow through, and the both sides gas flow of every block plate is contrary, hot and humid gas and cryogenic gas flow through in the opposite direction at the cryosurface of plate and evaporating surface, and carry out exchange heat and evaporation, condensation by heat exchanger plates.

When distillation equipment of the present utility model does not comprise cooling device, can on raw material liq pipeline three heat exchangers in parallel, and heat exchanger lays respectively in tail washings outlet, condensate outlet, gas discharge outlet pipeline, for raw material liq and tail washings, exchange heat between condensate liquid and exhaust, raw material liq is preheated.The tail washings that such minimizing is discharged and the heat that condensate liquid, exhaust are taken away, increase the thermal efficiency of system.

When the utility model comprises cooling device, cooling device is series in gas pipeline, and jointly forms a closed closed circuit with gas pipeline.Gas is at system internal circulation flow, cooled when apparatus for supercooling.Described cooling device is a heat exchanger, and in this heat exchanger, gas carries out heat exchange with the air in environment or cooling water or raw material liq, and gas temperature is reduced further.When the program is implemented, can carry out cooling or use water to cool gas with the fan gas produced in air stream heat exchanger, described heat exchanger can be fin heat exchange pipe, helix tube, tabular heat exchanger etc., gas at Bottomhole pressure, fan produce airflow passes finned tube outside fin surface or helix tube outer surface.Cooling device and the air pump connection order on gas recycling duct can exchange, and namely gas can first flow through cooling device and flow through air pump again, also can first flow through air pump and flow through cooling device again.When gas first flow through cooling device flow through air pump again time, because gas temperature reduces, less to wind pump performance, aging effects; When gas first flow through air pump flow through cooling device again time, the impurity such as the dust in gas, particle, bacterium can adhere in cooling device, thus gas is purified.

In addition, the gas in described cooling device also can be carry out heat exchange with raw material liq.Heated to reach raw material liq, the object that gas is cooled, the raw material liq steam simultaneously in gas is condensed and produces a small amount of condensate liquid.Preferred cooling device fully to gas cooling, is cooled to temperature and raw material liq initial temperature is close.When adopting present design, two heat exchangers can be established again on raw material liq pipeline, be in tail washings and condensate outlet respectively, for heat exchange between raw material liq and tail washings, condensate liquid, preheating material liquid.Raw material liq can by after tail washings and condensate liquid preheating again through apparatus for supercooling, refrigerating gas, or part material liquid cools gas, part material liquid and tail washings and condensate liquid carry out heat exchange

The utility model can also on the raw material liq pipeline being positioned at housing heat exchangers in series, and heat exchanger is placed in condenser zone, evaporation region or condenser zone and evaporation region junction, for hot and humid air preheat raw material liq.

Tail washings described in the utility model and condensate outlet can be provided with valve or liquor pump, or flow out by the pressure of liquid self, tail washings and condensate outlet may be used for being filled with of gas in system, extract out.Tail washings and condensate outlet can be positioned on housing or on gas pipeline, usually should be in the extreme lower position of system, all can flow out to make the condensate liquid produced in gas pipeline, cooling device.

Air pump described in the utility model act as and makes gas produce flowing.

Liquid distribution trough described in the utility model is uniform liquid is distributed on evaporating surface be the membranaceous device flowed down, be water-locator when raw material liq is water.

The pressure that liquid surface is lower can be beneficial to the evaporation of liquid, and also can reduce the resistance of air pump, so the pressure of gas can be less than atmospheric pressure, such as, can be 0.01-0.9 atmospheric pressure simultaneously.Now, on the one hand gas can be pumped from system realize by increasing air exhauster, also by the air-tightness of raising system, comparatively low pressure can be maintained run after bleeding, or adopt this two kinds of methods simultaneously.

In addition, described gas is generally air, also can be other gases or the mist containing raw material liq steam, especially when to increase cooling device and system be closed circulation, other gases can be used, the mist of the gases such as the steam of such as nitrogen, argon gas, carbon dioxide, raw material liq or more than one gases.To improve the rear purity liquid of distillation, such as, when gas is nitrogen, the oxygen in distilled water, carbon dioxide content will be relatively less.Or pass through the purity of the maintenance gas of constantly replacing, replenishment system gas and take away other foreign gas.

After raw material liq or gas flow heater via, be heated to uniform temperature.The preferred 80-100 degree when raw material liq is water, preferably heating-up temperature is no more than 100 degree usually, to save the required heat energy of heating.When the pressure of gas is for being less than atmospheric pressure, maximum heating temperature also should reduce.The temperature of the gas after preferred heating is close to boiling point of liquid.Described liquid such as ethanol, methyl alcohol, syrup, extract, seawater etc. need distillation purifying or concentrated liquid.

The utility model preferably fully increases heat exchanger plates heat transfer effect, and the temperature of the air inlet of the tail washings so bottom heat exchanger plates, condensate liquid, gas pipeline is substantially close.And in order to improve output, the temperature difference of heat exchanger plates both sides gas must be increased, the gas temperature of being discharged by pipeline is like this just higher, but can be cooled to the basic initial temperature close to raw material liq or exhaust preheating material liquid by raw material liq in cooling device after, temperature can be lowered.

System can also comprise regulation device, environmentally and the factor such as raw material liq, condensate temperature, output/efficiency, and adjusting gas flow, raw material liq flow, heating-up temperature etc.

Condenser zone and evaporation region can add flow-disturbing plug-in unit to increase heat transfer effect.

According to liquid distillating method of the present utility model, make the gas in gas pipeline produce flowing or circulation by the air pump air sucked in environment simultaneously.Lower in the initial temperature of the evaporating surface gas of heat exchanger plates, along with gas flow is through heat exchanger plates, it is constantly heated by heat exchanger plates, temperature raises gradually, the liquid gasification that heat exchanger plates evaporating surface flows through simultaneously enters gas, in whole process, gas temperature increases, increases containing quantity of steam, and finally heated further by the raw material liq after heater or heating, temperature raises.The cryosurface that gas after intensification starts to flow through heat exchanger plates is constantly cooled, and contained by it, steam condenses at cryosurface, and the heating of condensation liberated heat exchange hot plate, makes the liquid of the evaporating surface of heat exchanger plates evaporate.Gas is discharged or is discharged after reclaiming heat or enter cooling device after the cryosurface of heat exchanger plates is cooled.The gas entering cooling device is further cooled, gas after cooled is delivered to the evaporating surface of heat exchanger plates again by the gas access of air pump on gas pipeline, housing, flowing through evaporating surface forces the raw material liq of evaporating surface to evaporate, gas is heated by heat exchanger plates simultaneously, be heated to be high-temperature gas further by heater or raw material liq again, complete a circulation.

In cooling device, gas can cool with raw material liq heat exchange, and heat is used for preheating material liquid.Raw material liq refrigerating gas, due to raw material liq temperature substantially constant within a period of time, so cooled gas temperature also substantially constant, such as close to temperature or the environment temperature of raw material liq.Preferably make full use of raw material liq refrigerating gas, make cooled gas temperature substantially close to the initial temperature of raw material liq.

When using cooling water or raw material liq to cool gas in cooling device, cooling device is a liquid-gas heat exchanger, and within it raw material liq and gas carry out heat exchange, and raw material liq is preheated.Raw material liq enters water-locator by entrance, water-locator is scattered in membranaceous rear inflow heat exchanger plates, evaporates at the evaporating surface of heat exchanger plates, and unevaporated raw material liq is discharged through tail washings outlet.

As shown in Figure 1.In the utility model, at least one block of plate is as heat exchanger plates, air pump makes gas at system Inner eycle, gas is heated to form high-temperature gas through heater, high-temperature gas flows through the cryosurface of heat exchanger plates again, wherein contained steam condensation heat release on cryosurface, its release heat the raw material liq on the evaporating surface of heat exchanger plates evaporated.Enter cooling device again after gas is condensed, in cooling device, carry out heat exchange with raw material liq and be cooled.Gas after cooled is delivered to the evaporating surface of heat exchanger plates again through gas pipeline, gas access by air pump, flowing through evaporating surface forces the raw material liq on evaporating surface to evaporate, gas is heated into hot and humid gas by heat exchanger plates simultaneously, hot and humid gas is heated by heater or is heated rear raw material liq and heats, and completes a circulation.Raw material liq imports through raw material liq pipeline and flows through cooling device and gas carries out heat exchange, water-locator is entered by raw material liq pipeline after being preheated, be scattered in water-locator and membranaceously flow through heat exchanger plates evaporating surface, evaporate at the evaporating surface of heat exchanger plates, unevaporated raw material liq is discharged through tail washings outlet.Condensate liquid in heat exchanger plates and cooling device is discharged through exporting.Shell has heat insulation function, reduces system heat loss.Adjustable gas flow velocity makes the gas on heat exchanger plates both sides fully carry out heat exchange and gas is sufficiently cooled in cooling device, reduces temperature at discharging condensate, reduces heat loss, to improve system thermal efficiency.

As shown in Figure 2.Steam nozzle sprays into the steam of raw material liq to gas, steam and gas and vapor permeation, and gas flows through the cryosurface of heat exchanger plates after being heated to uniform temperature, and generation condensate liquid is exchanged hot plate simultaneously and heated.Cooled in cooling device again, the gas after cooled is delivered to the evaporating surface of heat exchanger plates by air pump, force raw material liq to evaporate, be heated to form hot and humid gas simultaneously at evaporating surface.Raw material liq enters system by entrance, is divided into two parts, and a part carries out heat exchange through tail washings heat exchanger and tail washings, and a part carries out heat exchange through condensed heat transfer fluid device and condensate liquid.The material liquid scale of construction preferably through tail washings heat exchanger is basic equal with tail washings amount, and basic equal with condensing liquid quantity through the material liquid scale of construction of condensed heat transfer fluid device.Tail washings heat exchanger and condensed heat transfer fluid device adopt liquid-liquid heat exchange to have higher efficiency, decrease due to heat exchanger plates or thorough the do not caused heat loss of cooling device heat exchange.After the raw material liq of condensed heat transfer fluid device and tail washings heat exchanger collects, enter cooling device cool gas again, eventually pass material liquid pipeline and enter water-locator.

Distillation equipment of the present utility model and distillating method are mainly used in the distillation purifying or concentrated of liquid, the production of such as distilled water, desalinization, seawater concentrate salt manufacturing, extract concentrated etc.Distillation equipment according to the present invention is owing to having reclaimed condensation heat than more completely, not only the heat of preheating material liquid is mainly from condensation heat, and the evaporation endothermic of liquid is also basic from condensation heat, so saved a large amount of energy, simultaneously distillation equipment of the present invention has had without the need to cooling water or the advantage of consumption reducing cooling water.

Accompanying drawing explanation

Fig. 1 is the utility model structural representation.

Fig. 2 is structural representation after the utility model raw water pipeline improves.

Fig. 3 is the distillation equipment structural representation with polylith heat exchanger plates.

Fig. 4 is the distillation equipment schematic diagram of Air flow gas.

Fig. 5 is the distillation equipment structural representation that heater heats raw material liq.

Fig. 6 is transverse tube type distillation equipment structural representation.

Fig. 7 does not comprise the distillation equipment structural representation of cooling device.

Detailed description of the invention

Embodiment 1:

As shown in Figure 1, a kind of liquid distillation equipment, comprises the gas pipeline 15 and 17 of loop checking installation structure, gas is had in gas pipeline 15 and 17, gas duct interior certain disconnects, and the gas access 10 on housing is communicated with gap one end, and gas vent 21 is communicated to the gap other end.Gas pipeline 15 is communicated with the gas access 10 on housing, gas pipeline 17 is communicated with the recyclegas outlet 21 on housing, heat exchanger plates 2 is provided with in housing 14, heat exchanger plates 2 one side is set to evaporating surface, heat exchanger plates 2 opposite side is set to cryosurface, housing 14 inside is provided with heater 1, cycle gas pipe 15 connection is provided with air pump 4 and cooling device 3, gas pipeline 15 is provided with tail washings outlet 8, gas pipeline 17 is provided with condensate outlet 5, raw material liq pipeline 6 connects setting in cooling device 3, raw material liq pipeline 6 entrance passes rear connection liquid distribution trough 7 from cooling device 3, liquid distribution trough 7 is positioned at above heat exchanger plates 2 top, liquid distribution trough 7 one end is accepted raw water pipeline 6 and is exported, liquid distribution trough 7 other end accepts the evaporating surface of heat exchanger plates 2.The evaporating surface of heat exchanger plates 2 and evaporating surface or evaporating surface and housing form evaporation region, and cryosurface and cryosurface or cryosurface and housing form condenser zone.Evaporation region one end is only communicated with gas access 10, and condenser zone one end is only communicated with gas vent 21, and the evaporation region other end communicates in housing with the condenser zone other end.

Cooling device 3 is a liquid-gas heat exchanger, and raw material liq pipeline is the helix tube with fin in cooling device 3, and gas produces heat exchange through the liquid in the outer surface and pipe of helix tube, and gas is cooled, and raw material liq is preheated simultaneously.

In the utility model, rectangular stainless steel wave card 2 is as heat exchanger plates, air pump 4 makes gas at system Inner eycle, gas is heated to form high-temperature gas when heater 1, high-temperature gas flows through the cryosurface of heat exchanger plates 2 again, wherein contained steam condensation heat release on cryosurface, its release heat the raw material liq on the evaporating surface of heat exchanger plates 2 evaporated.Enter cooling device 3 again after gas is condensed, in cooling device 3, carry out heat exchange with raw material liq, and be cooled to the initial temperature close to raw material liq.Gas after cooled is delivered to the evaporating surface of heat exchanger plates again through gas pipeline 15 by air pump, flowing through evaporating surface forces the raw material liq on evaporating surface to evaporate, gas is heated into hot and humid gas by heat exchanger plates simultaneously, and hot and humid gas is heated by heater again, completes a circulation.Raw material liq is entered by entrance and flows through cooling device, liquid-liquid distributor 7 is entered by raw material liq pipeline 6 after being preheated, be scattered in liquid distribution trough 7 and membranaceously flow through heat exchanger plates, evaporate at the evaporating surface of heat exchanger plates, unevaporated raw material liq is discharged through tail washings outlet 8.Condensate liquid in heat exchanger plates and cooling device is through exporting 5 discharges.Shell 14 has heat insulation function, reduces system heat loss.Adjustable gas flow velocity makes the gas on heat exchanger plates both sides fully carry out heat exchange and recyclegas is sufficiently cooled in cooling device, reduces temperature at discharging condensate, reduces heat loss, to improve system thermal efficiency.

Embodiment 2:

As shown in Figure 2.Raw material liq pipeline 6 is divided into two-way branch road, two-way branch road one_to_one corresponding heat exchangers in series 12 and heat exchanger 13, and the raw water pipeline 6 being combined into a road afterwards penetrates the liquid distribution trough 7 that the rear connection of cooling device 3 is positioned at heat exchanger plates top.Raw material liq carries out heat exchange with tail washings and condensate liquid respectively by heat exchanger 12 and heat exchanger 13, reaches the object reclaiming heat, reduce heat extraction.

Housing 14 inner top heater 1 is steam jet, carrys out heated air promote that gas flows simultaneously by the steam spraying into raw material liq to gas.Gas is air, also can be nitrogen, or argon gas, or the steam of carbon dioxide or raw material liq and mist.

Heat exchanger plates 2 with fin can have multiple, heat exchanger plates 2 evaporating surface through hydrophilicity-imparting treatment, vertical setting parallel to each other, and multiple heat exchanger plates evaporating surface, cryosurface are staggered relatively between two.The evaporating surface of heat exchanger plates 2 and evaporating surface or evaporating surface and housing form evaporation region, and cryosurface and cryosurface or cryosurface and housing form condenser zone.Evaporation region one end is only communicated with gas access 10, and condenser zone one end is only communicated with gas vent 21, and the evaporation region other end communicates in housing with the condenser zone other end.Gas duct interior certain disconnects, and the gas access 10 on housing is communicated with gap one end, and gas vent 21 is communicated to the gap other end.

Gas enters each evaporation region by gas access 10 distribution on housing, enters condenser zone again, enter gas pipeline 17 again by condenser zone by the gas vent 21 on housing by evaporation region.Condensate liquid is entered gas pipeline 17 by the connected entrance of condenser zone and gas vent 21 and is had condensate outlet 5 to discharge, and tail washings is flowed out by gas access 10, enters tail washings to go out, and 8 discharge.

Embodiment 3:

As shown in Figure 3, the heat exchanger plates 2 of polylith with cross rib is provided with in housing 14, heat exchanger plates is equidistant to be set in parallel in housing 14, wherein heater 1 is the top that an electric hot plate is positioned at enclosure interior top, cooling device 3 is the finned tube of a liquid-gas heat exchange, air pump 4 driving gas flows, and condensate liquid is discharged through condensate outlet 5; Raw material liq passes into cooling device 3 by material liquid entrance 6 and enters liquid distribution trough 7, and by liquid distribution trough 7 distributed flow through evaporating surface, unevaporated tail washings exports 8 by tail washings and discharges, and gas is according to the flow direction as 9.The evaporating surface of heat exchanger plates 2 and evaporating surface or evaporating surface and housing form evaporation region 18, and cryosurface and cryosurface or cryosurface and housing form condenser zone 19.Evaporation region one end is only communicated with gas access 10, and condenser zone one end is only communicated with gas vent 21, and the evaporation region other end communicates at housing internal heater 1 place with the condenser zone other end.

Gas duct interior certain disconnects, and the gas access 10 on housing is communicated with gap one end, and gas vent 21 is communicated to the gap other end.Gas access 10 communicates with gas pipeline 15, gas vent 21 communicates with gas pipeline 17, and condensate liquid is entered gas pipeline 17 by the connected entrance of condenser zone and gas vent 21 and had condensate outlet 5 to discharge, and tail washings is flowed out by gas access 10, enter tail washings to go out, 8 discharge.

Gas is assigned with the evaporation region 18 entering adjacent two plate evaporating surfaces and form by gas access 10 through pipeline 15, and rise along evaporating surface, raw material liq is forced to evaporate and be constantly heated to form hot and humid gas, hot and humid gas arrives by electric hot plate 1 surface through water-locator 7 at top and is further heated to uniform temperature, enter the condenser zone 19 that heat exchanger plates cryosurface is formed afterwards, cryosurface is constantly cooled, liquid vapors is condensation on cryosurface, the heating of heat release simultaneously heat exchanger plates.Gas collection cryosurface is condensed after lowering the temperature enters gas pipeline 17 through gas vent 21, then is cooled further by air or raw material liq through condensing unit 3, and the gas from gas transport pump after cooled enters pipeline 15 and circulates.

In the present embodiment, the parameters such as adjusting gas flow, electric hot plate power, raw water flow can be passed through.Make gas, carry out sufficient heat exchange by heat exchanger plates between condensate liquid and tail washings, the temperature of the air inlet of the tail washings bottom such heat exchanger plates, condensate liquid, gas pipeline 15 is substantially close.And in order to improve output, the temperature difference of heat exchanger plates both sides gas must be increased, the gas temperature of being discharged by pipeline 17 like this can be higher, but cooled in cooling device.Outside removing system radiating, the temperature difference that the heat of discharging is only tail washings and condensate liquid and raw material liq initial temperature caused.

Embodiment 4:

As shown in Figure 4, a kind of liquid distillation equipment, gas pipeline 15 is communicated with the gas access 10 on housing 14, gas vent 21 communicates with gas pipeline 17, gas duct interior certain disconnects, gas access 10 on housing is communicated with gap one end, gas vent 21 is communicated to the gap other end, the heat exchanger plates 2 with embossing is provided with in housing 14, heater 1 is installed in housing 14, gas vent 21 on housing is communicated with gas pipeline 17, flue is communicated with cooling device 3 and air pump 4, gas pipeline 15 is provided with tail washings outlet 8, gas pipeline 17 is provided with condensate outlet 5, fan 20 is provided with in cooling device 3, raw water pipeline 6 is connected with liquid distribution trough 7, liquid distribution trough 7 other end accepts the evaporating surface of heat exchanger plates 2.

The evaporating surface of heat exchanger plates 2 and evaporating surface or evaporating surface and housing form evaporation region, cryosurface and cryosurface or cryosurface and housing form condenser zone, evaporation region one end is only communicated with gas access 10, condenser zone one end is only communicated with gas vent 21, and the evaporation region other end communicates in housing with the condenser zone other end.Condensate liquid is entered gas pipeline 17 by the connected entrance of condenser zone and gas vent 21 and is had condensate outlet 5 to discharge, and tail washings is flowed out by gas access 10, enters tail washings to go out, and 8 discharge.

Cooling device by one group side by side and the heat exchanger tube is connected with gas pipeline form, the heat exchanger tube of use fans drive air to cooling device cools, and gas temperature is reduced.

Embodiment 5:

As Fig. 5, a kind of liquid distillation equipment, gas is had in gas pipeline 15 and 17, housing is provided with gas access 10 and gas vent 21, gas pipeline 15 is communicated with gas access 10 and gas vent 21 with 17, be provided with heat exchanger plates 2 in housing 14, is provided with heater 1 in or beyond the raw material liq pipeline between water-locator 7 and heat exchanger 11, the raw material liq duct section at heater 1 place can be arranged in housing and also can be positioned at outside housing 14, and described heater 1 can be an electrothermal tube.Gas pipeline 15 is communicated with cooling device 3 and air pump 4 with 17, gas pipeline 15 is provided with tail washings outlet 8, gas pipeline 17 is provided with condensate outlet 5, and raw material liq pipeline 6 passes heat exchanger 3 and connects heat exchanger 11 and liquid distribution trough 7, and water-locator 7 other end accepts the evaporating surface of heat exchanger plates 2.

The evaporating surface of heat exchanger plates 2 and evaporating surface or evaporating surface and housing form evaporation region, cryosurface and cryosurface or cryosurface and housing form condenser zone, evaporation region one end is only communicated with gas access 10, condenser zone one end is only communicated with gas vent 21, and the evaporation region other end communicates in housing with the condenser zone other end.Condensate liquid is entered gas pipeline 17 by the connected entrance of condenser zone and gas vent 21 and is discharged by condensate outlet 5, and tail washings is flowed out by gas access 10, enters tail washings to go out, and 8 discharge.

Heat exchanger is arranged in condenser zone or evaporation region or two junctions, region, and for air preheat raw material liq, preferred gas carries out preheating to raw material liq fully, and such as, after preheating, its temperature is close to the maximum temperature of gas.When heat exchanger plates 2 is polylith, a heat exchanger 11 can be equipped with in each condenser zone, can connects between each heat exchanger 11, also can be in parallel.

Air pump driving gas flows, distribute through the gas access 10 that gas pipeline 15 enters on housing and enter each evaporation region, flow through heat exchanger plates evaporating surface, condenser zone is entered again by evaporation region, flow through cryosurface, the gas collection in all condenser zone enters gas pipeline 17 in gas vent 21 and enters closed circuit.

Cooling device 3 is a liquid-gas heat exchanger, raw material liq pipeline can be the helix tube with fin in cooling device 3, gas produces heat exchange through the liquid in the outer surface and pipe of helix tube, gas is cooled, raw material liq is preheated simultaneously, raw material liq after being preheated enters heat exchanger 11 by the further preheating of hot and humid gas via pipeline 16, uniform temperature is heated to again by heater 1, heat exchanger 11 can be close to heat exchanger plates 2, and the condensate liquid that it produces is flowed down along heat exchanger plates 2.

Embodiment 6

Heat exchanger plates described in the present embodiment is the heat exchanger tube 2 of tubulose, and many in housing 14, laterally one end of placement or pipe is higher than the other end, be beneficial to the outflow of condensate liquid, the inner surface of pipe 2 is cryosurface, cryosurface surrounds condenser zone 19, outer surface is evaporating surface, and evaporating surface forms evaporation region 18, and water-locator 7 also will flow through the outer surface of each pipe 2 from top to bottom outside liquid spray to pipe 2.Condenser zone 19 at one end all communicates with the gas vent 21 on housing 14, and evaporation region 18 at one end all communicates with the gas access 10 on housing 14, and the evaporation region other end communicates in housing with the condenser zone other end.Inner certain of cycle gas pipe disconnects, and the gas access 10 on housing is communicated with gap one end, and gas vent 21 is communicated to the gap other end.Gas access 10 communicates with gas pipeline 15, gas vent 21 communicates with gas pipeline 17, and condensate liquid is entered gas pipeline 17 by the connected entrance of condenser zone and gas vent 21 and had condensate outlet 5 to discharge, and tail washings is flowed out by gas access 10, enter tail washings to go out, 8 discharge.

Raw material liq enters pipeline by raw material liq entrance 6, flow through cooling device 3 to be preheated, gas is cooled simultaneously, heat exchanger 13 is entered afterwards by raw material liq pipeline 16, entered after tail washings preheating after heat exchanger 11 is heated further by gas and be heated to uniform temperature by heater 1 again, water-locator 7 is entered, by the outer surface sprayed to pipe 2 in liquid distribution trough 7 by the raw material liq after heating.Also another one heat exchanger can be set at condensate outlet place, carry out heat exchange, to reduce discharge opeing heat loss by through the part material liquid of apparatus for supercooling and condensate liquid.The inside that the condensed fluid that heat exchanger 11 produces is imported into pipe 2 is flowed out via condensate outlet.

Air pump driving gas enters the exterior surface area of heat exchanger tube 2 by the gas access 10 on housing, and flow to the other end and force the liquid of outer surface to evaporate simultaneously, enter the inner surface of heat exchanger tube 2 again, liquid vapour condenses at inner surface, gas enters gas pipeline 15 by the gas vent 21 on housing 14 afterwards, enter cooling device again, cooled laggard enter air pump, complete circulation.

Embodiment 7

As Fig. 7, a kind of liquid distillation equipment, air pump 4 is connected with air cleaning facility 23 with by gas pipeline 15, air cleaning facility 23 is connected with the gas access 10 on housing 14 by gas pipeline, gas vent 21 on housing 14 is communicated with heat recovering heat exchanger 22 by gas pipeline 17, corrugated heat exchanger plates 2 is provided with in housing 14, in or beyond raw material liq pipeline between water-locator 7 and heat exchanger 11, heater 1 is installed, the raw material liq duct section at heater 1 place can be arranged in housing and also can be positioned at outside housing 14, described heater 1 can be a heat exchanger also can be an electrothermal tube.Gas pipeline 15 is provided with tail washings outlet 8, and gas pipeline 17 is provided with condensate outlet 5, and raw material liq pipeline 6 passes heat recovering heat exchanger 22 and connects heat exchanger 11 and water-locator 7, and water-locator 7 other end accepts the evaporating surface of heat exchanger plates 2.

Air pump 4 from environment draw air and driving gas flowing, air cleaning facility 23 is entered through gas pipeline 15, distributed by the gas access 10 on housing again and enter each evaporation region, flow through heat exchanger plates evaporating surface, condenser zone is entered again by evaporation region, flow through cryosurface, the gas collection in all condenser zone enters gas pipeline 17 in gas vent 21 and enters heat recovering heat exchanger 22, finally enters in environment.

The evaporating surface of heat exchanger plates 2 and evaporating surface or evaporating surface and housing form evaporation region, cryosurface and cryosurface or cryosurface and housing form condenser zone, evaporation region one end is only communicated with gas access 10, condenser zone one end is only communicated with gas vent 21, and the evaporation region other end communicates in housing with the condenser zone other end.Condensate liquid is entered gas pipeline 17 by the connected entrance of condenser zone and gas vent 21 and is discharged by condensate outlet 5, and tail washings is flowed out by gas access 10, enters tail washings to go out, and 8 discharge.

Heat exchanger 11 is arranged in condenser zone, and for preheating material liquid, preferred gas carries out preheating to raw material liq fully, and such as, after preheating, its temperature is close to the maximum temperature of gas.When heat exchanger plates 2 is polylith, a heat exchanger 11 can be equipped with in each condenser zone, can connects between each heat exchanger 11, also can be in parallel, heat exchanger 11 can be close to heat exchanger plates 2, and the condensate liquid that it produces is flowed down along heat exchanger plates 2.

Heat recovering heat exchanger 22 is a liquid-gas heat exchanger, raw material liq pipeline can be the helix tube with fin in heat recovering heat exchanger 22, gas produces heat exchange through the liquid in the outer surface and pipe of helix tube, gas is cooled, raw material liq is preheated simultaneously, raw material liq after being preheated enters heat exchanger 11 by the further preheating of hot and humid gas via pipeline 16, then is heated to uniform temperature by heater 1.

Claims (10)

1. a liquid distillation equipment, it is characterized in that: include housing, air pump, heater, raw material liq pipeline, and connection housing, the gas pipeline of air pump, housing is provided with gas access and outlet, heater is positioned at outside housing or housing, also liquid distribution trough is provided with in housing, at least one piece of heat exchanger plates, described heat exchanger plates one side is set to evaporating surface, another side is set to cryosurface, the space be made up of heat exchanger plates evaporating surface and respective side housing sidewall or adjacent heat exchanger plates evaporating surface is evaporation region, the space that heat exchanger plates cryosurface and respective side housing sidewall or adjacent heat exchanger plates cryosurface are formed is condenser zone, evaporation region one end is only communicated with gas access, condenser zone one end is only communicated with gas vent, the evaporation region other end communicates in housing with the condenser zone other end, described gas access or outlet communicate with air pump, the evaporating surface of heat exchanger plates is accepted in described liquid distribution trough one end, the other end accepts raw material liq pipeline, described housing or gas pipeline are provided with tail washings outlet and condensate outlet.
2. a kind of liquid distillation equipment according to claim 1, is characterized in that: described distillation equipment also comprises cooling device, and cooling device is connected in gas pipeline and gas pipeline forms closed circulation.
3. a kind of liquid distillation equipment according to claim 1 and 2, is characterized in that: described heater can be arranged in raw material liq pipeline or outside it, heats raw material liq.
4. a kind of liquid distillation equipment according to claim 1 and 2, is characterized in that: described raw material liq pipeline is provided with heat exchanger, and heat exchanger is in housing, for carrying out heat exchange between raw material liq and gas.
5. a kind of liquid distillation equipment according to claim 1 and 2, is characterized in that: described heater is the steam jet stretched in housing, and the steam spraying into raw material liq to the gas in housing carrys out heated air and drives gas flowing.
6. a kind of liquid distillation equipment according to claim 2, is characterized in that: described raw material liq pipeline by cooling device, and is positioned at the attached in tandem heat exchanger of cooling device, carries out heat exchange with gas in raw material liq and cooling device.
7. a kind of liquid distillation equipment according to claim 2, is characterized in that: described distillation equipment also comprises air exhauster, makes intrasystem gas pressure be less than atmospheric pressure.
8. a kind of liquid distillation equipment according to claim 1 and 2, is characterized in that: described heat exchanger plates is tubulose, and the surfaces externally and internally of pipe is respectively as cryosurface and evaporating surface.
9. a kind of liquid distillation equipment according to claim 1,2 or 6, it is characterized in that: be respectively equipped with heat exchanger in tail washings outlet and condensate outlet place, heat exchanger communicates with two branch roads of raw material liq pipeline, carries out preheating for tail washings and condensate liquid to raw material liq.
10. a kind of liquid distillation equipment according to claim 1, it is characterized in that: three heat exchangers in parallel on raw material liq pipeline, and lay respectively in tail washings outlet, condensate outlet, gas vent, for the exchange heat between raw material liq and exhaust, tail washings, condensate liquid.
CN201520045918.8U 2015-01-22 2015-01-22 A kind of liquid distillation equipment CN204656030U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016115971A1 (en) * 2015-01-22 2016-07-28 刘飞 Liquid distillation equipment
WO2018082199A1 (en) * 2016-11-04 2018-05-11 刘飞 Gradient sub-boiling distiller
CN108815869A (en) * 2018-07-07 2018-11-16 吕振声 Liquid-purifying device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016115971A1 (en) * 2015-01-22 2016-07-28 刘飞 Liquid distillation equipment
WO2018082199A1 (en) * 2016-11-04 2018-05-11 刘飞 Gradient sub-boiling distiller
CN108815869A (en) * 2018-07-07 2018-11-16 吕振声 Liquid-purifying device

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