CN106110694B - A kind of efficient concentration device - Google Patents

A kind of efficient concentration device Download PDF

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Publication number
CN106110694B
CN106110694B CN201610506684.1A CN201610506684A CN106110694B CN 106110694 B CN106110694 B CN 106110694B CN 201610506684 A CN201610506684 A CN 201610506684A CN 106110694 B CN106110694 B CN 106110694B
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Prior art keywords
plate
heat exchange
heat
raised line
pipe
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CN106110694A (en
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李忠林
刘长青
王冲冲
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Shandong Jingying Machinery Manufacturing Co.,Ltd.
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Weifang Shandong Jing Ying Medical Devices Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/26—Multiple-effect evaporating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/30—Accessories for evaporators ; Constructional details thereof

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

The invention discloses a kind of efficient concentration device, the discharging opening of its compensator is connected with discharge nozzle, and its separator includes plate-type evaporator and knockout drum；Separator is two groups or more, and discharge nozzle is connected with the material inlet of first order plate-type evaporator；The liquid-phase outlet of previous stage knockout drum connects with the material inlet of the plate-type evaporator of rear stage separator, and the liquid-phase outlet of afterbody knockout drum is connected with drain pipe；The gaseous phase outlet of previous stage knockout drum connects with the steam inlet of rear stage plate-type evaporator, the solvent inlet communication of gaseous phase outlet and plate-type condenser at the top of the knockout drum of afterbody separator；The steam inlet tube of first order plate-type evaporator is connected with injection pump discharge, and the import connection live steam house steward of jet pump, the air entry of jet pump connects with plate-type evaporator steam channel；The steam condensation water outlet of first order plate-type evaporator is connected with drainpipe, and drainpipe is connected by pipeline with the steam inlet tube of first order plate-type evaporator.

Description

A kind of efficient concentration device
Technical field
The present invention relates to a kind of efficient concentration device.
Background technology
In large-scale industrial production, often need to evaporate large quantity of moisture, this just needs consumption mass energy heating raw material to make Moisture therein is by thermosetting steam.In order to reduce the consumption of heating steam, multiple-effect evaporation can be used.Steam will be heated to be passed through First evaporator, then raw material is heated and seethe with excitement, and indirect steam caused by raw material evaporation introduces next evaporation as steam is heated Device, if in the latter's evaporation chamber pressure and the more original evaporator of solution boiling point to be low, then the indirect steam introduced can rise The effect of heat source.Similarly, heating of the new caused new indirect steam of second evaporator but also as the 3rd evaporator Steam.So, each evaporator is referred to as an effect, and multiple evaporators are connected into a biconditional operation, that is, forms a multiple-effect Vapo(u)rization system.The evaporator for adding raw steam is referred to as the first effect, is referred to as the second effect using the first effect Secondary-steam heating, according to this Analogize, generation recycles, and heat energy has been used repeatedly, and significantly reduces heat energy consumption, so greatly reduces into This, also increases efficiency.But in normal productive process, indirect steam pressure, temperature are relatively low, into evaporator speed compared with Small, it is poor to easily cause subsequent evaporation device evaporation effect, and it is all higher to give birth to the pressure of steam, temperature, is directly entered the first evaporator, More energy waste can be caused.
The evaporator in multi-effect evaporation system typically uses plate-type evaporator at present, and plate-type evaporator has heat transfer efficiency Height, compact-sized, floor space is small, it is easy to maintain the advantages of, when evaporation capacity increases, because heat exchanger plates are easily disassembled, can lead to The number for overregulating heat exchanger plates can obtain most suitable heat-transfer effect and capacity.Current plate-type evaporator is typically in rectangular slab The corner of piece opens up steam inlet and outlet respectively and raw material is imported and exported, and the fluid passage on plate is unanimous between the higher and lower levels, such a structure Plate-type evaporator, steam or raw material from one jiao of entrance of plate, are then flowed up along fluid passage, spread in flow process To whole plate, such a distribution mode fluid is in bottom skewness, and when rising to top evaporation, cold fluid and hot fluid contacts with each other meeting Evaporation effect is reduced, concentrated effect variation is ultimately resulted in, wastes the energy, increase production cost.And needed after raw material heat absorption larger Space evaporation, such a fluid passage is unanimous between the higher and lower levels, influences the effect of evaporation.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of low efficient concentration device of energy consumption.
In order to solve the above technical problems, the present invention includes compensator, separator, plate-type condenser, it is characterized in that described The charging aperture of compensator is connected with feed pipe, and the discharging opening of the compensator is connected with discharge nozzle, is provided with the discharge nozzle Liquid feeding pump, the separator include plate-type evaporator and knockout drum, and the steam inlet of the plate-type evaporator is connected with steam Inlet pipe, the material outlet of the plate-type evaporator are connected by the import of separating pipe and knockout drum, the separating pipe and knockout drum Tangent setting；The separator is two groups or more, the plate-type evaporator of the discharge nozzle and first stage separation device Material inlet connection；The liquid-phase outlet of the knockout drum of previous stage separator passes through liquid pushing tube and the plate of rear stage separator The material inlet connection of formula evaporator, the liquid pushing tube are provided with liquid-feeding pump, and the liquid pushing tube is at the rear of liquid-feeding pump liquid outlet Liquor charging return duct is connected with, the liquor charging return duct connects with the material inlet of the plate-type evaporator of previous stage separator, most The liquid-phase outlet of the knockout drum bottom of rear stage separator is connected with drain pipe, and discharging tube and dense is connected with the drain pipe Contracting liquid liquid back pipe, the discharging tube are provided with Pump for giving-out, and the concentrate liquid back pipe is provided with circulating pump, and the concentrate returns liquid Pipe connects with the material inlet of the plate-type evaporator of afterbody separator；The gas phase of the knockout drum of the separator of previous stage Outlet and the steam inlet of the plate-type evaporator of the separator of rear stage pass through pipeline connection, point of afterbody separator Gaseous phase outlet from tank top passes through pipeline and the solvent inlet communication of plate-type condenser；The plate evaporation of first stage separation device The end of the steam inlet tube of device is connected with injection pump discharge, and the import of the jet pump is connected with live steam house steward, the spray The air entry for penetrating pump is connected with air intake duct, one of plate of the air intake duct at least with the plate-type evaporator of remaining separator The steam channel connection of formula evaporator；The steam condensation water outlet of the plate-type evaporator of the first stage separation device is connected with draining Pipe, the end of the drainpipe are connected with condensate pump, and the liquid outlet of the condensate pump is connected with steam condensation water pipe, and the steam coagulates Condensate branched pipe is connected with water pipe, the steam inlet tube of the plate-type evaporator of the condensate branched pipe and first stage separation device connects It is logical；The steam condensation water outlet row of the being connected with solvent condensate pipe of the plate-type evaporator of remaining separator；
The plate-type evaporator includes multiple alternate settings and the consistent A heat exchange plates of appearance and size, B heat exchange plates, phase Heat exchanger channels are formed between adjacent A heat exchange plates, B heat exchange plates, are correspondingly provided with respectively on the A heat exchange plates, B heat exchange plates Material inlet, material outlet, steam inlet and condensate outlet, the A heat exchange plates are divided into the bringing-up section of bottom and the steaming on top Send out section, positioned at the A heat exchange plates of bringing-up section cold side and heat absorbing side respectively it is alternate be provided with it is multiple along heat exchange plate length side To the lower raised line and low groove of setting, and the lower raised line of cold side corresponds to the low groove setting of heat absorbing side, the low groove of cold side The lower raised line of corresponding heat absorbing side is set；Positioned at the A heat exchange plates of evaporator section cold side and heat absorbing side respectively it is alternate be provided with it is more The individual upper raised line and upper groove set along A heat exchange plates length direction, and the upper raised line of cold side corresponds to the upper groove of heat absorbing side The upper raised line that setting, the upper groove of cold side correspond to heat absorbing side is set；The distance between two neighboring upper raised line in heat absorbing side More than the distance between two neighboring lower raised line；
The B heat exchange plates are divided into the bringing-up section of bottom and the evaporator section on top, and the B heat exchange plates positioned at bringing-up section are put Hot side and heat absorbing side are alternate respectively to be provided with multiple lower raised lines and low groove set along heat exchange plate length direction, and cold side Lower raised line correspond to heat absorbing side low groove set, the low groove of cold side correspond to heat absorbing side lower raised line setting；Positioned at evaporation Section B heat exchange plates cold side and heat absorbing side respectively it is alternate be provided with it is multiple along B heat exchange plates length direction set it is convex Bar and upper groove, and the upper raised line of cold side corresponds to the upper groove setting of heat absorbing side, the upper groove of cold side corresponds to heat absorbing side Upper raised line is set；The distance between two neighboring upper raised line in heat absorbing side is more than the distance between two neighboring lower raised line；
The lower raised line of the A heat exchange plates cold side is corresponding with the lower raised line of the B heat exchange plate cold sides positioned at front side to be set Put, the low groove of A heat exchange plate cold sides and the low groove of B heat exchange plate cold sides are correspondingly arranged so that A heat exchange plates and Spaced lower heat releasing passage is formed between B heat exchange plates；The lower raised line of the A heat exchange plates heat absorbing side is with being located at rear side The lower raised line of B heat exchange plate heat absorbing sides is correspondingly arranged, under the low groove of A heat exchange plate heat absorbing sides and B heat exchange plate heat absorbing sides Groove is correspondingly arranged, so that forming spaced lower heat recipient passage between A heat exchange plates and B heat exchange plates；
The upper raised line of the A heat exchange plates cold side is corresponding with the upper raised line of the B heat exchange plate cold sides positioned at front side to be set Put, the upper groove of A heat exchange plate cold sides and the upper groove of B heat exchange plate cold sides are correspondingly arranged so that A heat exchange plates and Upper heat releasing passage is formed between B heat exchange plates；The upper raised line of the A heat exchange plates heat absorbing side and the B heat exchange plates positioned at rear side The upper raised line of heat absorbing side, which is correspondingly arranged, the upper groove of A heat exchange plate heat absorbing sides is corresponding with the upper groove of B heat exchange plate heat absorbing sides sets Put, so that forming spaced upper heat recipient passage between A heat exchange plates and B heat exchange plates；
The material inlet is arranged on the lower end of heat exchange plate, and material outlet is arranged on the upper end of heat exchange plate, the original Material import and the width of material outlet and the width of heat exchange plate are adapted, and the size of the material inlet is less than material outlet Size；The steam inlet at least two, it sets up separately in the both sides of heat exchange plate and positioned at the lower section of material outlet；It is described Condensate outlet is two, and it sets up separately in the both sides of heat exchange plate, and it is set close to material inlet.
The lower raised line of the A heat exchange plates cold side and the lower raised line of the B heat exchange plate cold sides positioned at front side compress close Envelope, so that forming a plurality of spaced lower heat releasing passage between A heat exchange plates and B heat exchange plates；The A heat exchange plates are inhaled The lower raised line of hot side and the lower raised line of the B heat exchange plate heat absorbing sides positioned at rear side are compressed and sealed, so that A heat exchange plates and B are changed A plurality of spaced lower heat recipient passage is formed between hot plate piece, and then make lower heat recipient passage be looped around around lower heat releasing passage to set Put；The upper raised line of the A heat exchange plates cold side and the upper raised line interval setpoint distance of the B heat exchange plate cold sides positioned at front side The A heat exchange plates for making evaporator section are set and a whole upper heat releasing passage is formed between the B heat exchange plates of front side, the A is changed It is convex that the upper raised line surface of hot plate piece cold side and the upper raised line surface of the B heat exchange plate cold sides positioned at front side are correspondingly provided with support Rise, the height sum of corresponding two support protrusions protrusion is equal to the upper raised line of A heat exchange plate cold sides and the B positioned at front side is changed Setpoint distance between the upper raised line of hot plate piece cold side；The upper raised line of the A heat exchange plates heat absorbing side changes with the B positioned at rear side The upper raised line of hot plate piece heat absorbing side compresses sealing, makes to form spaced upper heat absorption between A heat exchange plates and B heat exchange plates logical Road.
The A heat exchange plates, the upper groove interior edge heat exchange plate length direction of B heat exchange plate heat absorbing sides are interval with multiple Be recessed the stirred tank to be formed to cold side；Stirred tank and support protrusion on A heat exchange plates are correspondingly arranged, on B heat exchange plates Stirred tank and support protrusion are correspondingly arranged.
Twice of spacing of the spacing between two neighboring lower raised line on A heat exchange plates between two neighboring upper raised line；B Twice of spacing of the spacing between two neighboring lower raised line on heat exchange plate between two neighboring upper raised line；The upper raised line Formed partly to descend raised line to upwardly extend；The cross section of the lower heat releasing passage and lower heat recipient passage is in regular hexagon, it is described on The cross section of heat recipient passage is hexagonal.
The heat exchange plate is provided with external seal band around its periphery respectively in heat absorbing side and cold side, the external seal band Inward flange, which is interval with multiple interior breach, makes inner edges be serrated, and the heat exchange plate is in heat absorbing side and cold side difference ring The inner seal band being serrated is provided with around steam inlet, the outward flange of the inner seal band, which is interval with multiple outer breach, to be made outside it Edge is serrated, and the surface of external seal band and inner seal band the protrusion heat exchange plate is set and its protrusion height and lower raised line Protrusion height it is consistent, between the A heat exchange plates and B heat exchange plates be provided with its edge can be respectively clamped into external seal band it is interior lack The outer breach of mouth and inner seal band is so as to the sealing strip for sealing two heat exchange plates；The heat exchange plate is in the upper of material inlet Portion, the bottom of material outlet are interval with multiple mounting grooves for being used to clamp sealing strip along heat exchange plate width respectively；Institute State heat exchange plate and be provided with upper band against the top of material inlet, the outward flange of the upper band, which is provided with multiple breach, makes it Edge is serrated.
The solvent condensate outlet of the plate-type condenser is connected with delivery pipe, and condenser carbonated drink is provided with the delivery pipe Separator, the gas outlet of the condenser steam-water separator are connected by pipeline with vavuum pump, the delivery pipe and emptying pump Inlet is connected, and the liquid outlet of the emptying pump is connected with solvent condensate pipe, and solvent is connected with the solvent condensate pipe and returns liquid Pipe, the solvent liquid back pipe connect with the charging aperture of compensator；The inlet connection of row's solvent condensate pipe and emptying pump；Institute State and the first steam-water separator is installed on drainpipe, the second steam-water separator is installed on row's solvent condensate pipe, described The gas outlet of one steam-water separator and the second steam-water separator passes through the pipeline solvent inlet communication with plate-type condenser respectively.
Concentrate return duct is connected with the discharging tube, the concentrate return duct connects with the charging aperture of compensator； The concentrate liquid back pipe with the recurrent canal that connects both is connected with drain pipe.
Mass flowmenter, the signal output part and controller of the mass flowmenter are installed on the concentrate liquid back pipe Electrical connection, the control terminal of the Pump for giving-out and circulating pump are electrically connected with the controller respectively.
The condensation water inlet of the plate-type condenser is connected with recirculated water inlet pipe, condensation-water drain is connected with recirculated water and gone out Pipe, the recirculated water inlet pipe are being connected with the first cleaning outlet pipe at plate-type condenser, and described first, which cleans outlet pipe, is provided with First purge valve, the recirculated water outlet pipe are being connected with the first cleaning inlet pipe at the plate-type condenser, described first clean into Pipe is provided with the second purge valve；The first cleaning branched pipe is connected with the discharge nozzle, is also connected on the first cleaning branched pipe Multiple second cleaning branched pipes are connected to, second cleans branched pipe the solvent import with plate-type condenser, separator at different levels respectively In the material inlet of plate-type evaporator connected with knockout drum.
The separator is two groups, the gaseous phase outlet of the knockout drum of first stage separation device and second-stage separation device The steam inlet of plate-type evaporator is connected with steaming by pipeline connection, the steam inlet of the plate-type evaporator of first stage separation device Vapour inlet pipe, jet pump is installed on the steam inlet tube, the air entry of the jet pump passes through pipeline and second-stage separation device Plate-type evaporator steam channel connection；The liquid-phase outlet of the knockout drum bottom of first stage separation device is connected with liquid pushing tube, The liquid pushing tube is provided with liquid-feeding pump, and the liquid pushing tube is connected with liquor charging return duct at the rear of liquid-feeding pump liquid outlet, described to send Liquid return duct connects with the material inlet of the plate-type evaporator of first stage separation device, the liquid pushing tube and second-stage separation device Plate-type evaporator material inlet connection；The liquid-phase outlet of the knockout drum bottom of second-stage separation device is connected with drain pipe, Discharging tube and concentrate liquid back pipe are connected with the drain pipe, the discharging tube is provided with Pump for giving-out, and the concentrate returns liquid Pipe is provided with circulating pump, and the concentrate liquid back pipe connects with the material inlet of the plate-type evaporator of second-stage separation device；
Or the separator is three groups, the gaseous phase outlet and second-stage separation device of the knockout drum of first stage separation device The steam inlet of plate-type evaporator be connected with by pipeline connection, the steam inlet of the plate-type evaporator of first stage separation device Steam inlet tube, is provided with jet pump on the steam inlet tube, the air entry of the jet pump by pipeline respectively with the second fraction Plate-type evaporator from device connects with the steam channel of the plate-type evaporator of third level separator, or the jet pump The plate-type evaporator of plate-type evaporator and third level separator that air entry passes through pipeline and second-stage separation device is wherein The steam channel connection of one plate-type evaporator；The liquid-phase outlet of the knockout drum bottom of first stage separation device is connected with liquor charging Pipe, the liquid pushing tube are provided with liquid-feeding pump, and the liquid pushing tube is connected with liquor charging return duct at the rear of liquid-feeding pump liquid outlet, described Liquor charging return duct connects with the material inlet of the plate-type evaporator of first stage separation device, and the liquid pushing tube separates dress with the second level The material inlet connection for the plate-type evaporator put；The liquid-phase outlet of the knockout drum bottom of second-stage separation device is connected with liquor charging Pipe, the liquid pushing tube are provided with liquid-feeding pump, and the liquid pushing tube is connected with liquor charging return duct at the rear of liquid-feeding pump liquid outlet, described Liquor charging return duct connects with the material inlet of the plate-type evaporator of second-stage separation device, and the liquid pushing tube separates dress with the third level The material inlet connection for the plate-type evaporator put；The liquid-phase outlet of the knockout drum bottom of third level separator is connected with out liquid Manage, discharging tube and concentrate liquid back pipe are connected with the drain pipe, the discharging tube is provided with Pump for giving-out, and the concentrate returns Liquid pipe is provided with circulating pump, and the concentrate liquid back pipe connects with the material inlet of the plate-type evaporator of third level separator.
After said structure, in the present invention, jet pump is set on live steam house steward, first stage separation device it is board-like The steam inlet tube of the steam inlet tube of evaporator and the plate-type evaporator of other separators outlet with jet pump and air-breathing respectively Mouthful connection, live steam by reason of heavy pressure, temperature height enter jet pump after can be to the plate-type evaporator of other separators Steam channel in solvent steam aspirated, the pressure of solvent steam is improved while live steam pressure reduces, can The evaporation intensity of the plate-type evaporator of other separators is improved, saves a large amount of high-grade steam；First stage separation device The condensate of some vapor of plate-type evaporator is mixed by condensate branched pipe into steam inlet tube with the steam of high pressure, high temperature, is coagulated Water heat absorption flashes to steam, so as to reduce the pressure of steam and temperature, by adjusting the ratio of condensate and steam, makes to enter the The temperature and pressure of the steam of the plate-type evaporator of one-level separator maintain optimum temperature, protect plate-type evaporator Meanwhile can also prevent material from overheating, the evaporation effect of material is improved, because the temperature of condensate is also higher, passes through the profit to condensate With can also reduce energy resource consumption；The present invention is forced circulation, higher therefore less scaling than the Natural Circulation intensity of legacy equipment, The concentration densities of material are high；The plate-type evaporator selected in the present invention, its heat exchange plate is relatively thin, and heat exchange efficiency is high, device structure Compact, thermal loss is few；Plate-type evaporator is detachable, easy to maintenance, and can increase plate to a certain extent and be set with expanding Standby evaporability.And the material inlet of plate-type evaporator and the width of the width of material outlet and heat exchange plate are adapted, raw material After material inlet enters, it can evenly distribute to each lower heat recipient passage, steam enters from the steam inlet positioned at the left and right sides Can be even into upper heat releasing passage after entering, because upper heat releasing passage or so insertion is a connection chamber, steam can be uniformly distributed, then Steam can make the thermal discharge in each lower heat releasing passage basically identical even into lower heat releasing passage, ensure raw material in bringing-up section Heating is consistent in interior each lower heat recipient passage；After raw material is heated to certain temperature in bringing-up section, heat recipient passage is flowed upwardly to, Now the raw material in two lower heat recipient passages is converged into a upper heat recipient passage, due to the cross-sectional area of a upper heat recipient passage More than the cross-sectional area sum of two lower heat recipient passages, after raw material enters upper heat recipient passage, pressure reduces, and can preferably be subtracted Pressure evaporation, the thickening efficiency of raw material is improved, reduces energy consumption, reduces production cost.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment is described in further detail to the present invention：
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of A heat exchange plates in plate-type evaporator；
Fig. 3 be plate-type evaporator A heat exchange plates, B heat exchange plates assembling after along Fig. 2 line A-A section view section signal Figure；
Fig. 4 be plate-type evaporator A heat exchange plates, B heat exchange plates assembling after along Fig. 2 line B-B section view section signal Figure.
Embodiment
Efficient concentration device includes compensator 20, separator, plate-type condenser 23, the charging aperture of compensator 20 be connected with into Expects pipe 24, the discharging opening of compensator 20 are connected with discharge nozzle 25, liquid feeding pump 26, wherein separator bag are provided with discharge nozzle 25 Rubbing board type evaporator 21 and knockout drum 22, the steam inlet of plate-type evaporator are connected with steam inlet tube 56, the original of plate-type evaporator Material outlet is connected by separating pipe 32 with the import of knockout drum, and separating pipe and the tangent setting of knockout drum and separating pipe are by its feed end Setting is tilted down to discharge end, material is smoothly flow in knockout drum.
Separator is two groups or more in the present invention, and its pipeline jointing construction is as follows：Discharge nozzle 25 and the first order The material inlet connection of the plate-type evaporator of separator；The liquid-phase outlet of the knockout drum of previous stage separator passes through liquid pushing tube Connected with the material inlet of the plate-type evaporator of rear stage separator, liquid pushing tube 34 is provided with liquid-feeding pump 35, and liquid pushing tube is being sent The rear of liquid pump liquid outlet is connected with liquor charging return duct 61, liquor charging return duct 61 and the plate-type evaporator of previous stage separator Material inlet is connected, and liquor charging return duct is connected with the pipeline section of the liquid pushing tube in front of liquid-feeding pump inlet by communicating pipe 62, The raw material gone out for system operation termination heel row in plate-type evaporator and pipeline, the knockout drum bottom of afterbody separator Liquid-phase outlet is connected with drain pipe 50, and discharging tube 40 and concentrate liquid back pipe 36 are connected with drain pipe 50, is set on discharging tube 40 There is Pump for giving-out 39, be connected with concentrate return duct 57, concentrate return duct 57 and balance on discharging tube 40 at the rear of Pump for giving-out 39 Tank 20 charging aperture connection, when system goes wrong, and concentrate is unqualified can concentrated liquid return duct 57 be back to compensator 20 are evaporated again；Concentrate liquid back pipe 36 is provided with circulating pump 38, concentrate liquid back pipe 36 and afterbody separator Plate-type evaporator material inlet connection, concentrate liquid back pipe 36 with the recurrent canal that connects both is connected with drain pipe 50 37；When material is normally carried out evaporation, recurrent canal 37 is closed, and when whole system is stopped, recurrent canal 37 is open-minded, goes out Liquid pump 39 can all discharge the material in the pipeline of plate-type evaporator front portion, prevent material from remaining；Pacify on concentrate liquid back pipe 36 Equipped with mass flowmenter, the signal output part of mass flowmenter is electrically connected with the controller, the control of Pump for giving-out 39 and circulating pump 38 End is electrically connected with the controller respectively；The plate of the gaseous phase outlet of the knockout drum of the separator of previous stage and the separator of rear stage For the steam inlet of formula evaporator by pipeline connection, the gaseous phase outlet at the top of the knockout drum of afterbody separator passes through pipeline With the solvent inlet communication of plate-type condenser 23；
The end of the steam inlet tube of the plate-type evaporator of first stage separation device connects with the outlet of jet pump 54, jet pump 54 Import be connected with live steam house steward 53, the air entry of jet pump 54 is connected with air intake duct 55, air intake duct 55 at least with residue The steam channel connection of one of plate-type evaporator of the plate-type evaporator of separator；The board-like steaming of first stage separation device The steam condensation water outlet of hair device is connected with drainpipe 33, and drainpipe 33 is connected with the inlet of condensate pump 30, and condensate pump 30 goes out Liquid mouth is connected with steam condensation water pipe 28, and condensate branched pipe 29, condensate branched pipe 29 and the first order are connected with steam condensation water pipe 28 The steam inlet tube connection of the plate-type evaporator of separator；The steam condensation water outlet connection of the plate-type evaporator of remaining separator There is row's solvent condensate pipe 52；In system work process, the condensate of some vapor by condensate branched pipe 29 enter steam inlet tube with The steam mixing of high pressure, high temperature, condensate heat absorption flashes to steam, solidifying by adjusting so as to reduce the pressure of steam and temperature The ratio of water and steam, temperature and pressure into the steam of first order plate-type evaporator is maintained optimum temperature, protect It while guard plate type evaporator, can also prevent material from overheating, improve the evaporation effect of material, because the temperature of condensate is also higher, By the utilization to condensate, energy resource consumption can be also reduced；
The solvent condensate outlet of plate-type condenser 23 is connected with delivery pipe 44, and condenser carbonated drink point is provided with delivery pipe 44 From device 45, the gas outlet of condenser steam-water separator 45 is connected by pipeline with vavuum pump 43, and vavuum pump selects liquid-ring type herein Vavuum pump, delivery pipe 44 are connected with the inlet of emptying pump 42, and the liquid outlet of emptying pump 42 is connected with solvent condensate pipe 41, solvent Solvent liquid back pipe 58 is connected with condensate pipe 41, solvent liquid back pipe 58 connects with the charging aperture of compensator 20；Each row's solvent coagulates Inlet of the water pipe 52 respectively with emptying pump 42 is connected, and is gone wrong when system works, can be by this portion when taking material in gas phase out of Divide solvent condensate to be back to compensator 20 by solvent liquid back pipe 58, prevent material waste.First vapour is installed on drainpipe 33 Separator 31, arrange and second steam-water separator 51, the first steam-water separator 31 and the second carbonated drink are installed on solvent condensate pipe 52 The gas outlet of separator 51 is by the pipeline solvent inlet communication with plate-type condenser 23 respectively, so as to pass through plate-type condenser 23 Cooling duct and vavuum pump indirect communication；
The condensation water inlet of plate-type condenser 23 is connected with recirculated water inlet pipe 48, condensation-water drain is connected with recirculated water outlet pipe 46, recirculated water inlet pipe 48 is being connected with the first cleaning outlet pipe 49 at plate-type condenser 23, and first, which cleans outlet pipe 49, is provided with First purge valve, recirculated water outlet pipe 46 are being connected with the first cleaning inlet pipe 47, the first cleaning inlet pipe at plate-type condenser 23 47 are provided with the second purge valve, need to only enter when being backwashed to the cooling duct of plate-type condenser 23 from the first cleaning inlet pipe 47 Water, from first cleaning the water outlet of outlet pipe 49, reduce the cleaning path of rinse water, improve cleaning pressure, the speed of rinse water, enter And improve cleaning degree；The first cleaning branched pipe 27 is connected with discharge nozzle 25, is also associated with the first cleaning branched pipe 27 Multiple second cleaning branched pipes 60, second cleans branched pipe the solvent import with plate-type condenser 23, separator at different levels respectively In the material inlet of plate-type evaporator connected with knockout drum, the first cleaning branched pipe 27 is also connected by pipeline and compensator 20 Logical, the material inlet of the plate-type evaporator of first stage separation device with discharge nozzle 25 due to being directly connected in the present invention, therefore one-level Second cleaning branched pipe can be no longer set at the material inlet of the plate-type evaporator of separator.First cleaning fluid can be noted during cleaning Enter compensator 20, cleaning fluid is pumped into the equipment that need to be cleaned with liquid feeding pump 26, the equipment that need to be cleaned passes through pipeline and compensator 20 Top connection so that cleaning fluid can form looped cycle, compensator 20 plays a part of buffering and stored, and improves cleaning effect Fruit.
As shown in figure 1, separator is two groups, the gaseous phase outlet of the knockout drum of first stage separation device separates with the second level The steam inlet of the plate-type evaporator of device is connected by pipeline connection, the steam inlet of the plate-type evaporator of first stage separation device Steam inlet tube is connected to, jet pump is installed on steam inlet tube, the air entry of jet pump passes through pipeline and second-stage separation device The steam channel connection of plate-type evaporator；The liquid-phase outlet of the knockout drum bottom of first stage separation device is connected with liquid pushing tube 34, Liquid pushing tube 34 is provided with liquid-feeding pump 35, and liquid pushing tube 34 connects with the material inlet of the plate-type evaporator of second-stage separation device；The The liquid-phase outlet of the knockout drum bottom of secondary separation device is connected with drain pipe 50, and discharging tube 40 and dense is connected with drain pipe 50 Contracting liquid liquid back pipe 36, discharging tube 40 are provided with Pump for giving-out 39, and concentrate liquid back pipe 36 is provided with circulating pump 38, concentrate liquid back pipe 36 connect with the material inlet of the plate-type evaporator of second-stage separation device.
When separator is three groups, the difference that pipeline is connected when it with separator is two groups is：The first order The steam inlet of the plate-type evaporator of separator is connected with steam inlet tube, and jet pump is provided with steam inlet tube, jet pump Air entry by pipeline respectively with the plate-type evaporator of the plate-type evaporator of second-stage separation device and third level separator Steam channel connects, or the air entry of the jet pump passes through pipeline and the plate-type evaporator of second-stage separation device and the 3rd The steam channel connection of one of plate-type evaporator of the plate-type evaporator of level separator, jet pump air entry pass through pipeline Connect, need to be calculated according to the temperature of specific material, the pressure of steam with which plate-type evaporator；First stage separation device The liquid-phase outlet of knockout drum bottom is connected with liquid pushing tube, and the liquid pushing tube is provided with liquid-feeding pump, the liquid pushing tube and the second fraction From the material inlet connection of the plate-type evaporator of device；The liquid-phase outlet of the knockout drum bottom of second-stage separation device, which is connected with, to be sent Liquid pipe, the liquid pushing tube are provided with liquid-feeding pump, the material inlet of the liquid pushing tube and the plate-type evaporator of third level separator Connection；The liquid-phase outlet of the knockout drum bottom of third level separator is connected with drain pipe, and discharge opeing is connected with the drain pipe Pipe and concentrate liquid back pipe, the discharging tube are provided with Pump for giving-out, and the concentrate liquid back pipe is provided with circulating pump, the concentration Liquid liquid back pipe connects with the material inlet of the plate-type evaporator of third level separator., can be according to tool when separator is more than 3 groups Body situation arranges quantity, position and the pipeline annexation of jet pump, and this is no longer going to repeat them.
It is additionally provided with the cooling system for cooling down each pump in the present invention, wherein cooling system includes water tank 59, on water tank Portion is connected with cooling water inlet pipe, bottom is connected with cooling water outlet pipe, and the end of cooling water outlet pipe connects with vavuum pump, cooling water outlet Corresponded on pipe condensate pump 30, circulating pump 38, liquid-feeding pump, Pump for giving-out 39, emptying pump 42 be sequentially provided with cooling branched pipe be used for it is each The cooling water inlet connection of individual pump, in the cooling water and the present invention of each pump the waste water of each pipeline by Pipeline transport extremely Waste pipe, it is easy to Wastewater Concentrated.
Pipeline described above, when it is horizontally disposed with, it can tilt down and set gently towards its discharge end along its interior fluid flow direction Put, its gradient is can be controlled in the range of 0.5-1%, is easy to the discharge of material.Control piper is respectively equipped with pipeline described above to lead to Disconnected control valve, this structure setting is known to the skilled person technology, therefore no longer repeats one by one.Concentrate returns in the present invention Mass flowmenter is installed, the signal output part of mass flowmenter is electrically connected with the controller, Pump for giving-out 39 and circulation in liquid pipe 36 The control terminal of pump 38 is electrically connected with the controller respectively, and by monitoring the relative density of material, controller judges whether material is qualified, It is qualified, open Pump for giving-out 39 and go out liquid, unqualified, material is pumped into plate-type evaporator and continues to steam by open the circulation pump 38 again Hair concentration.Motor-driven valve can be also set respectively in other pipelines, and the control terminal of motor-driven valve is electrically connected with the controller respectively, each equipment The real-time monitoring devices such as upper setting temperature, pressure, liquid level, and its signal output part is electrically connected with the controller respectively, each pump Control terminal is also electrically connected with the controller respectively, can be to control for requirement of each equipment to temperature, pressure etc. in technological process Device is programmed, and after it is received the signal that monitoring device is sent, sends suitable instructions, maintains whole system automatic stabilisation fortune OK.Interlocked control structure between specific each equipment, those skilled in the art can be designed to according to technological process requirement Go out, it is the common knowledge of this area, therefore this is no longer going to repeat them realizes each interlocked control structure for automating of the present invention.
Material is firstly transferred to compensator 20, is delivered to first order plate-type evaporator by liquid feeding pump 26, material is in the first order Flowed fast through in plate-type evaporator, temperature rise subsequently enters first order knockout drum, and material heats through first order plate-type evaporator It is gas-liquid common phase afterwards, first order knockout drum is tangentially entered by separating pipe, whirlpool is formed in first order knockout drum, increases Aerating liquid peeling strength, the solvent steam evaporated enter the plate evaporation of next stage after being flowed out at the top of first order knockout drum Device, and the like, the solvent steam at the top of afterbody knockout drum enters plate-type condenser 23, the material after previous stage concentration The plate-type evaporator for entering next stage by the liquid-phase outlet of knockout drum bottom further concentrates, the material after afterbody concentration Plate-type evaporator is reentered by the circulating pump 38 of knockout drum bottom, mass flowmenter is installed in the circulation loop, can be real When detect material relative density, after reaching setting value, switch to the tunnel of drain pipe 50, the Pump for giving-out 39 through knockout drum bottom exports, Compensator 20 is switched back into when unqualified.Fluid level transmitter is set in compensator 20, liquid level is controlled by controller, ensured whole Individual system is continuously run.
Jet pump is set in the present invention on live steam house steward 53, and the steam of the plate-type evaporator of first stage separation device enters Manage that the outlet with jet pump and air entry are connected respectively with the steam inlet tube of the plate-type evaporator of other separators, fresh steaming Vapour by reason of heavy pressure, temperature height can be in the steam channel to the plate-type evaporator of other separators after jet pump is entered it is molten Matchmaker's steam is aspirated, and is improved the pressure of solvent steam while live steam pressure reduces, can be improved other separators Plate-type evaporator evaporation intensity, save a large amount of high-grade steam, and protect plate-type evaporator.
As shown in Figures 2 to 4, plate-type evaporator includes multiple alternate settings and the consistent A heat exchange plates of appearance and size, B Heat exchange plate, it also includes frame plate and end plate, A heat exchange plates, the structure that is connected of B heat exchange plates and frame plate and end plate For prior art, in this not go into detail, A heat exchange plates, essentially identical only its part of the structure of B heat exchange plates in the present invention Structure is staggered setting, therefore only A heat exchange plates are described in detail below.
A heat exchange plates are divided into the bringing-up section of bottom and the evaporator section on top, and the length of evaporator section is about the two of bringing-up section / mono-.Positioned at the A heat exchange plates of bringing-up section cold side and heat absorbing side respectively it is alternate be provided with it is multiple along heat exchange plate length The lower raised line 4 and low groove 5 that direction is set, and the lower raised line of cold side is corresponded under the low groove setting of heat absorbing side, cold side The lower raised line that groove corresponds to heat absorbing side is set；Cold side and heat absorbing side positioned at the A heat exchange plates of evaporator section distinguish alternate setting There are multiple upper raised lines 12 and upper groove 13 set along A heat exchange plates length direction, and the upper raised line of cold side corresponds to heat absorbing side Upper groove set, the upper groove of cold side correspond to heat absorbing side upper raised line setting, upper groove interior edge heat exchange plate length direction Multiple stirred tanks 11 to be formed that are recessed to cold side are interval with, stirred tank 11 is in hemispherical, can increase raw material and enter upper suction Turbulence effects after in the passage of heat, accelerate the evaporation of moisture in raw material.The top and bottom of A heat exchange plates are in heat absorbing side and heat release Side is respectively equipped with vertically arranged support raised line 14, and support raised line 14 is consistent with the protrusion height of lower raised line, ensures heat exchange plate During assembling, heat exchange plate top and the bottom stress is consistent, ensures its sealing.
The structure of B heat exchange plates and the structure of A heat exchange plates are essentially identical, only the setting of its raised line and groove just with A Heat exchange plate is staggered setting, be below A heat exchange plates, the installation of B heat exchange plates when specific corresponding relation：A heat exchange plate heat releases The lower raised line of side and the lower raised line of the B heat exchange plate cold sides positioned at front side are correspondingly arranged, the low groove of A heat exchange plate cold sides It is correspondingly arranged with the low groove of B heat exchange plate cold sides, is arranged at intervals so that being formed between A heat exchange plates and B heat exchange plates Lower heat releasing passage 7；The lower raised line of the A heat exchange plates heat absorbing side and the lower raised line of the B heat exchange plate heat absorbing sides positioned at rear side Be correspondingly arranged, the low groove of A heat exchange plate heat absorbing sides and the low groove of B heat exchange plate heat absorbing sides are correspondingly arranged so that A exchange heat Spaced lower heat recipient passage 8 is formed between plate and B heat exchange plates.The upper raised line of A heat exchange plate cold sides and before being located at The upper raised line of the B heat exchange plate cold sides of side is correspondingly arranged, the upper groove of A heat exchange plate cold sides and B heat exchange plate cold sides Upper groove be correspondingly arranged so that forming upper heat releasing passage 9 between A heat exchange plates and B heat exchange plates；The A heat exchange plates The upper raised line of heat absorbing side and positioned at rear side B heat exchange plate heat absorbing sides upper raised line be correspondingly arranged, A heat exchange plate heat absorbing sides it is upper Groove and the upper groove of B heat exchange plate heat absorbing sides are correspondingly arranged, so that forming interval between A heat exchange plates and B heat exchange plates The upper heat recipient passage 10 set.
The lower raised line of A heat exchange plates cold side and the lower raised line of the B heat exchange plate cold sides positioned at front side in the present embodiment Sealing is compressed, so that forming a plurality of spaced lower heat releasing passage 7, the present embodiment between A heat exchange plates and B heat exchange plates In the cross section of lower heat releasing passage 7 be in regular hexagon；The lower raised line of A heat exchange plate heat absorbing sides and the B heat exchange plates positioned at rear side The lower raised line of heat absorbing side compresses sealing, so that forming a plurality of spaced lower heat absorption between A heat exchange plates and B heat exchange plates Passage 8, the cross section of lower heat recipient passage 8 is in regular hexagon, and then lower heat recipient passage 8 is looped around around lower heat releasing passage 7 and set Put.The upper raised line of A heat exchange plate cold sides and the upper raised line interval setpoint distance of the B heat exchange plate cold sides positioned at front side are set Make the A heat exchange plates of evaporator section and a whole upper heat releasing passage 9 is formed between the B heat exchange plates of front side, be i.e. cold side The protrusion height of upper raised line is less than the protrusion height of lower raised line, so that the upper raised line of A heat exchange plate cold sides is with being located at front side B heat exchange plate cold sides upper raised line between form gap, the upper raised line surface of A heat exchange plate cold sides with positioned at front side The upper raised line surface of B heat exchange plate cold sides is correspondingly provided with support protrusion 19, and support protrusion is set along upper raised line length direction interval Put multiple, the height sum of corresponding two support protrusions protrusion is equal to the upper raised line of A heat exchange plate cold sides and is located at front side B heat exchange plate cold sides upper raised line between setpoint distance so that the support protrusion of A heat exchange plate cold sides is with being located at The support protrusion of the B heat exchange plates of front side contacts and then two plates is supported, and is propped up in the present invention on each heat exchange plate Support projection is correspondingly arranged with stirred tank, is easy to disposable punching press to be made；The upper raised line of A heat exchange plate heat absorbing sides is with being located at rear side The upper raised line of B heat exchange plate heat absorbing sides compresses sealing, makes to form spaced upper suction between A heat exchange plates and B heat exchange plates The passage of heat 10, the cross section of upper heat recipient passage 10 are hexagonal.To become apparent from diagram, only to the position of raised line, groove in Fig. 2 Signal is made, its concrete structure is as shown in Figure 3 and Figure 4.
The distance between upper raised line of adjacent two of heat absorbing side is more than convex under adjacent two on same heat exchange plate The distance between bar, spacing in the present embodiment on heat exchange plate between the two neighboring upper raised line of heat absorbing side is under two neighboring Twice of spacing between raised line, and the upper raised line of all heat absorbing sides is that alternate lower raised line is upwardly extended and formed, so that phase Raw material in two adjacent lower heat recipient passages 8 is converged into a upper heat recipient passage 10.Cold side and heat absorbing side in the present invention Raised line and groove is stamped is made, so that the raised line of cold side corresponds to the groove of heat absorbing side, the groove of cold side is corresponding absorbs heat The raised line of side.
Material inlet 1 is arranged on the lower end of heat exchange plate in the present invention, and material outlet 2 is arranged on the upper end of heat exchange plate, The width of the width and heat exchange plate of material inlet 1 and material outlet 2 is adapted, and the size of material inlet 1 is less than material outlet 2 Size；Steam inlet 3 is two, and it sets up separately in the both sides of heat exchange plate and positioned at the lower section of material outlet 2, and corresponds to and steam Section is sent out to set；Condensate outlet 6 is two, and it sets up separately in the both sides of heat exchange plate, and it is set close to material inlet 1.This hair Bright middle steam inlet 3 can be also four, and four steam inlets 3 set up separately in the both sides of heat exchange plate and are symmetrical arranged.Work as evaporation When measuring big, can four steam inlets 3 enter steam simultaneously, accelerate the evaporation of moisture in raw material.It is that steam inlet 3 is four in diagram When structural representation.
Heat exchange plate is provided with external seal band 15, the inner edge of external seal band 15 around its periphery respectively in heat absorbing side and cold side Edge, which is interval with multiple interior breach, makes inner edges be serrated, and heat exchange plate enters around steam respectively in heat absorbing side and cold side Mouthfuls 3 are provided with the inner seal band 16 being serrated, and the outward flange of inner seal band 16, which is interval with multiple outer breach, makes its outward flange be in The surface of zigzag, external seal band and inner seal band protrusion heat exchange plate is set and the protrusion height of its protrusion height and lower raised line Unanimously；Heat exchange plate is interval with along heat exchange plate width respectively in the bottom of the top of material inlet 1, material outlet 2 Multiple mounting grooves 17 for being used to clamp sealing strip, can strengthen the sealing of raw material inlet and outlet, prevent raw material from being contacted with steam, exchange heat Plate is provided with upper band 18 against the top of material inlet 1, and the outward flange of upper band makes its edge be in provided with multiple breach Zigzag.Its edge is provided between A heat exchange plates and B heat exchange plates can be respectively clamped into interior breach, the inner seal band of external seal band Outer breach, mounting groove, the breach of upper band so as to the sealing strip that seals two neighboring heat exchange plate, it is corresponding on sealing strip The breach of each band, which is provided with, can be caught in the male part that breach realizes its positioning and sealing.Sealing strip can be made into one when making Body, i.e., it will can be sealed everywhere, in use, can be cut according to the switch conditions of passage, if between two neighboring plate For material channel, then the sealing strip positioned at the top of material inlet 1, the bottom of material outlet 2 is cut, raw material is smoothly flowed into Go out；If it is steam channel between two neighboring plate, by positioned at the right side of the steam inlet 3 in left side, the steam positioned at right side The left side of import 3, the condensate positioned at left side export 6 right side, the sealing strip in the left side that the condensate positioned at right side exports 6 is cut, Make that steam can be flowed into smoothly, condensate smoothly flows out.
The present invention is forced circulation, and higher therefore less scaling than the Natural Circulation intensity of legacy equipment, the concentration of material is close Degree is high；Plate-type evaporator is selected in the present invention, its heat exchange plate is relatively thin, and heat exchange efficiency is high, compact equipment, thermal loss It is few；Plate-type evaporator is detachable, easy to maintenance, and can increase plate to a certain extent to expand equipment evaporability；If It is standby can Automatic Control, realize continuous concentration.
The material inlet 1 of plate-type evaporator and the width of material outlet 2 and between the raised line of both sides in the present invention Width is adapted, and raw material can be evenly distributed to each lower heat recipient passage 8, steam is from positioned at left and right after the entrance of material inlet 1 The steam inlet 3 of both sides can connect chamber because upper heat releasing passage 9 or so penetrates even into upper heat releasing passage 9 after entering for one, Steam can be uniformly distributed, and then steam can make the thermal discharge in each lower heat releasing passage 7 basic even into lower heat releasing passage 7 Unanimously, it is consistent to ensure that raw material heats up in each lower heat recipient passage 8 in bringing-up section；Raw material is heated to a constant temperature in bringing-up section After degree, heat recipient passage 10 is flowed upwardly to, now the raw material in two lower heat recipient passages 8 is converged into a upper heat recipient passage 10, Because the cross-sectional area of a upper heat recipient passage 10 is more than the cross-sectional area sum of two lower heat recipient passages 8, raw material enters upper suction After the passage of heat 10, pressure reduces, and can be preferably evaporated under reduced pressure, and improves the thickening efficiency of raw material, reduces energy consumption, reduces production Cost.And projection in the present invention on plate and groove is vertically arranged, without dead angle during cleaning.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention.Previous embodiment is to the present invention It is described in detail, for those skilled in the art, it still can be to the skill described in foregoing embodiments Art scheme is modified, or carries out equivalent substitution to which part technical characteristic.In every case in the inventive concept scope of the present invention Within, any modification, equivalent substitution and improvements done etc., it is all contained within protection scope of the present invention.

Claims (10)

1. a kind of efficient concentration device, including compensator, separator, plate-type condenser, it is characterized in that the charging of the compensator Mouthful feed pipe is connected with, the discharging opening of the compensator is connected with discharge nozzle, is provided with liquid feeding pump on the discharge nozzle, described point Include plate-type evaporator and knockout drum from device, the steam inlet of the plate-type evaporator is connected with steam inlet tube, described board-like The material outlet of evaporator is connected by the import of separating pipe and knockout drum, the separating pipe and the tangent setting of knockout drum；It is described Separator is more than two, and the material inlet of the plate-type evaporator of the discharge nozzle and first stage separation device connects；It is previous The liquid-phase outlet of the knockout drum of level separator passes through liquid pushing tube and the material inlet of the plate-type evaporator of rear stage separator Connection, the liquid pushing tube are provided with liquid-feeding pump, and the liquid pushing tube is connected with liquor charging return duct, institute at the rear of liquid-feeding pump liquid outlet The material inlet that liquor charging return duct is stated with the plate-type evaporator of previous stage separator connects, the separation of afterbody separator The liquid-phase outlet of pot bottom is connected with drain pipe, and discharging tube and concentrate liquid back pipe, the discharge opeing are connected with the drain pipe Pipe is provided with Pump for giving-out, and the concentrate liquid back pipe is provided with circulating pump, and the concentrate liquid back pipe separates dress with afterbody The material inlet connection for the plate-type evaporator put；The separation of the gaseous phase outlet and rear stage of the knockout drum of the separator of previous stage The steam inlet of the plate-type evaporator of device is by pipeline connection, the gaseous phase outlet at the top of the knockout drum of afterbody separator Pass through pipeline and the solvent inlet communication of plate-type condenser；The end of the steam inlet tube of the plate-type evaporator of first stage separation device It is connected with injection pump discharge, the import of the jet pump is connected with live steam house steward, and the air entry of the jet pump is connected with Air intake duct, steam channel of the air intake duct at least with one of plate-type evaporator of the plate-type evaporator of remaining separator Connection；The steam condensation water outlet of the plate-type evaporator of the first stage separation device is connected with drainpipe, the end of the drainpipe Portion is connected with condensate pump, and the liquid outlet of the condensate pump is connected with steam condensation water pipe, condensate is connected with the steam condensation water pipe Branched pipe, the condensate branched pipe connect with the steam inlet tube of the plate-type evaporator of first stage separation device；Remaining separator Plate-type evaporator the steam condensation water outlet row of being connected with solvent condensate pipe；
The plate-type evaporator includes multiple alternate settings and the consistent A heat exchange plates of appearance and size, B heat exchange plates, adjacent A Heat exchanger channels are formed between heat exchange plate, B heat exchange plates, raw material is correspondingly provided with respectively on the A heat exchange plates, B heat exchange plates Import, material outlet, steam inlet and condensate outlet, the A heat exchange plates are divided into the bringing-up section of bottom and the evaporator section on top, Positioned at the A heat exchange plates of bringing-up section cold side and heat absorbing side respectively it is alternate be provided with it is multiple along heat exchange plate length direction set Lower raised line and low groove, and the lower raised line of cold side correspond to heat absorbing side low groove set, the low groove of cold side is corresponding inhales The lower raised line of hot side is set；Positioned at the cold side and heat absorbing side of the A heat exchange plates of evaporator section, alternate be provided with multiple is changed along A respectively The upper raised line and upper groove that hot plate leaf length direction is set, and the upper raised line of cold side corresponds to the upper groove setting of heat absorbing side, put The upper raised line that the upper groove of hot side corresponds to heat absorbing side is set；The distance between two neighboring upper raised line in heat absorbing side is more than adjacent The distance between two lower raised lines；
The B heat exchange plates are divided into the bringing-up section of bottom and the evaporator section on top, positioned at the cold side of the B heat exchange plates of bringing-up section With heat absorbing side is alternate respectively is provided with multiple lower raised lines and low groove set along heat exchange plate length direction, and under cold side Raised line correspond to heat absorbing side low groove set, the low groove of cold side correspond to heat absorbing side lower raised line setting；Positioned at the B of evaporator section The cold side and heat absorbing side of heat exchange plate are alternate respectively to be provided with multiple upper raised lines and upper set along B heat exchange plates length direction Groove, and the upper raised line of cold side correspond to heat absorbing side upper groove set, the upper groove of cold side corresponds to the upper raised line of heat absorbing side Set；The distance between two neighboring upper raised line in heat absorbing side is more than the distance between two neighboring lower raised line；
The lower raised line of the A heat exchange plates cold side and the lower raised line of the B heat exchange plate cold sides positioned at front side are correspondingly arranged, A The low groove of heat exchange plate cold side and the low groove of B heat exchange plate cold sides are correspondingly arranged, so that A heat exchange plates and B are changed Spaced lower heat releasing passage is formed between hot plate piece；The lower raised line of the A heat exchange plates heat absorbing side changes with the B positioned at rear side The lower raised line of hot plate piece heat absorbing side is correspondingly arranged, the low groove of the low groove of A heat exchange plate heat absorbing sides and B heat exchange plate heat absorbing sides It is correspondingly arranged, so that forming spaced lower heat recipient passage between A heat exchange plates and B heat exchange plates；
The upper raised line of the A heat exchange plates cold side and the upper raised line of the B heat exchange plate cold sides positioned at front side are correspondingly arranged, A The upper groove of heat exchange plate cold side and the upper groove of B heat exchange plate cold sides are correspondingly arranged, so that A heat exchange plates and B are changed Upper heat releasing passage is formed between hot plate piece；The upper raised line of the A heat exchange plates heat absorbing side absorbs heat with the B heat exchange plates positioned at rear side The upper raised line of side is correspondingly arranged, the upper groove of A heat exchange plate heat absorbing sides and the upper groove of B heat exchange plate heat absorbing sides are correspondingly arranged, So that spaced upper heat recipient passage is formed between A heat exchange plates and B heat exchange plates；
The material inlet is arranged on the lower end of heat exchange plate, and material outlet is arranged on the upper end of heat exchange plate, and the raw material enters Mouth and the width of material outlet and the width of heat exchange plate are adapted, and the size of the material inlet is less than the chi of material outlet It is very little；The steam inlet at least two, it sets up separately in the both sides of heat exchange plate and positioned at the lower section of material outlet；It is described solidifying Water out is two, and it sets up separately in the both sides of heat exchange plate, and it is set close to material inlet.
2. efficient concentration device according to claim 1, it is characterized in that the lower raised line of the A heat exchange plates cold side is with being located at The lower raised line of the B heat exchange plate cold sides of front side compresses sealing, so that being formed between A heat exchange plates and B heat exchange plates a plurality of Spaced lower heat releasing passage；The lower raised line of the A heat exchange plates heat absorbing side and the B heat exchange plate heat absorbing sides positioned at rear side Lower raised line compresses sealing, so that forming a plurality of spaced lower heat recipient passage between A heat exchange plates and B heat exchange plates, enters And lower heat recipient passage is looped around around lower heat releasing passage and set；The upper raised line of the A heat exchange plates cold side is with being located at front side The upper raised line interval setpoint distances of B heat exchange plate cold sides set the A heat exchange plates that make evaporator section and the B positioned at front side to exchange heat One is formed between plate, and entirely upper heat releasing passage, the upper raised line surface of the A heat exchange plates cold side exchange heat with the B positioned at front side The upper raised line surface of plate cold side is correspondingly provided with support protrusion, and the height sum of corresponding two support protrusions protrusion is equal to A The upper raised line of heat exchange plate cold side and the setpoint distance between the upper raised line of the B heat exchange plate cold sides of front side；The A The upper raised line of heat exchange plate heat absorbing side and the upper raised line of the B heat exchange plate heat absorbing sides positioned at rear side are compressed and sealed, and make A heat exchange plates Spaced upper heat recipient passage is formed between B heat exchange plates.
3. efficient concentration device according to claim 2, it is characterized in that the A heat exchange plates, B heat exchange plate heat absorbing sides is upper Groove interior edge heat exchange plate length direction is interval with multiple stirred tanks to be formed that are recessed to cold side；Rapids on A heat exchange plates Chute and support protrusion are correspondingly arranged, and the stirred tank and support protrusion on B heat exchange plates are correspondingly arranged.
4. efficient concentration device according to claim 2, it is characterized in that on A heat exchange plates between two neighboring upper raised line between Twice away from the spacing between two neighboring lower raised line；Spacing on B heat exchange plates between two neighboring upper raised line is adjacent Twice of spacing between two lower raised lines；The upper raised line is upwardly extended for the lower raised line in part and formed；The lower heat releasing passage Cross section with lower heat recipient passage is in regular hexagon, and the cross section of the upper heat recipient passage is hexagonal.
5. efficient concentration device according to claim 1, it is characterized in that the heat exchange plate is distinguished in heat absorbing side and cold side External seal band is provided with around its periphery, the inward flange of the external seal band, which is interval with multiple interior breach, makes inner edges be in sawtooth Shape, the heat exchange plate is provided with the inner seal band being serrated in heat absorbing side and cold side around steam inlet respectively, described interior The outward flange of band, which is interval with multiple outer breach, makes its outward flange be serrated, external seal band and the inner seal band protrusion The surface of heat exchange plate is set and its protrusion height is consistent with the protrusion height of lower raised line, the A heat exchange plates and B heat exchange plates Between be provided with its edge can be respectively clamped into external seal band interior breach and inner seal band outer breach so as to by two heat exchange plates The sealing strip of sealing；The heat exchange plate the top of material inlet, material outlet bottom respectively along heat exchange plate width side Multiple it is used to clamp the mounting grooves of sealing strip to being interval with；The heat exchange plate is provided with upper sealing against the top of material inlet Band, the outward flange of the upper band, which is provided with multiple breach, makes its edge be serrated.
6. efficient concentration device according to any one of claim 1 to 5, it is characterized in that the solvent of the plate-type condenser coagulates Water out is connected with delivery pipe, and condenser steam-water separator is provided with the delivery pipe, the condenser steam-water separator Gas outlet is connected by pipeline with vavuum pump, the inlet connection of the delivery pipe and emptying pump, the liquid outlet of the emptying pump Solvent condensate pipe is connected with, solvent liquid back pipe is connected with the solvent condensate pipe, the solvent liquid back pipe and compensator enter Material mouth connects；The inlet connection of row's solvent condensate pipe and emptying pump；First steam-water separation is installed on the drainpipe Device, the second steam-water separator, first steam-water separator and the second steam-water separator are installed on row's solvent condensate pipe Gas outlet pass through the pipeline solvent inlet communication with plate-type condenser respectively.
7. efficient concentration device according to claim 6, it is characterized in that concentrate return duct is connected with the discharging tube, institute Concentrate return duct is stated to connect with the charging aperture of compensator；The concentrate liquid back pipe connects both with being connected with drain pipe Recurrent canal.
8. efficient concentration device according to claim 6, it is characterized in that being provided with mass flow on the concentrate liquid back pipe Meter, the signal output part of the mass flowmenter is electrically connected with the controller, the control terminal of the Pump for giving-out and circulating pump respectively with Controller electrically connects.
9. efficient concentration device according to claim 6, it is characterized in that the condensation water inlet of the plate-type condenser is connected with Recirculated water inlet pipe, condensation-water drain are connected with recirculated water outlet pipe, and the recirculated water inlet pipe is connected with plate-type condenser First cleaning outlet pipe, the first cleaning outlet pipe are provided with the first purge valve, and the recirculated water outlet pipe is close to plate-type condenser Place is connected with the first cleaning inlet pipe, and the first cleaning inlet pipe is provided with the second purge valve；First is connected with the discharge nozzle Branched pipe is cleaned, multiple second cleaning branched pipes, the second cleaning branched pipe difference are also associated with the first cleaning branched pipe The material inlet and knockout drum of the plate-type evaporator in solvent import, separator at different levels with plate-type condenser connect.
10. efficient concentration device according to claim 6, it is characterized in that the separator is two groups, first order separation dress The steam inlet of the gaseous phase outlet for the knockout drum put and the plate-type evaporator of second-stage separation device passes through pipeline connection, the first order The steam inlet of the plate-type evaporator of separator is connected with steam inlet tube, and jet pump is provided with the steam inlet tube, described The air entry of jet pump is connected by pipeline with the steam channel of the plate-type evaporator of second-stage separation device；First order separation dress The liquid-phase outlet for the knockout drum bottom put is connected with liquid pushing tube, and the liquid pushing tube is provided with liquid-feeding pump, and the liquid pushing tube is in liquor charging The rear of pump liquid outlet is connected with liquor charging return duct, the original of the plate-type evaporator of the liquor charging return duct and first stage separation device Expect inlet communication, the liquid pushing tube connects with the material inlet of the plate-type evaporator of second-stage separation device；Second level separation dress The liquid-phase outlet for the knockout drum bottom put is connected with drain pipe, and discharging tube and concentrate liquid back pipe are connected with the drain pipe, The discharging tube is provided with Pump for giving-out, and the concentrate liquid back pipe is provided with circulating pump, the concentrate liquid back pipe and the second level The material inlet connection of the plate-type evaporator of separator；
Or the separator is three groups, the gaseous phase outlet of the knockout drum of first stage separation device and the plate of second-stage separation device The steam inlet of formula evaporator is connected with steam by pipeline connection, the steam inlet of the plate-type evaporator of first stage separation device Inlet pipe, jet pump is installed on the steam inlet tube, the air entry of the jet pump separates dress with the second level respectively by pipeline The plate-type evaporator put connects with the steam channel of the plate-type evaporator of third level separator, or the air-breathing of the jet pump One of them of the plate-type evaporator of plate-type evaporator and third level separator that mouth passes through pipeline and second-stage separation device The steam channel connection of plate-type evaporator；The liquid-phase outlet of the knockout drum bottom of first stage separation device is connected with liquid pushing tube, institute State liquid pushing tube and be provided with liquid-feeding pump, the liquid pushing tube is connected with liquor charging return duct, the liquor charging at the rear of liquid-feeding pump liquid outlet Return duct connects with the material inlet of the plate-type evaporator of first stage separation device, the liquid pushing tube and second-stage separation device The material inlet connection of plate-type evaporator；The liquid-phase outlet of the knockout drum bottom of second-stage separation device is connected with liquid pushing tube, institute State liquid pushing tube and be provided with liquid-feeding pump, the liquid pushing tube is connected with liquor charging return duct, the liquor charging at the rear of liquid-feeding pump liquid outlet Return duct connects with the material inlet of the plate-type evaporator of second-stage separation device, the liquid pushing tube and third level separator The material inlet connection of plate-type evaporator；The liquid-phase outlet of the knockout drum bottom of third level separator is connected with drain pipe, institute State and discharging tube and concentrate liquid back pipe are connected with drain pipe, the discharging tube is provided with Pump for giving-out, the concentrate liquid back pipe Circulating pump is provided with, the concentrate liquid back pipe connects with the material inlet of the plate-type evaporator of third level separator.
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