CN207429716U - A kind of spray drying system - Google Patents

A kind of spray drying system Download PDF

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Publication number
CN207429716U
CN207429716U CN201721515203.XU CN201721515203U CN207429716U CN 207429716 U CN207429716 U CN 207429716U CN 201721515203 U CN201721515203 U CN 201721515203U CN 207429716 U CN207429716 U CN 207429716U
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heat exchanger
air inlet
gas outlet
gas
outlet
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路明
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Wuxi Seeking Machinery Technology Co Ltd
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Wuxi Seeking Machinery Technology Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

The utility model discloses a kind of spray drying systems, including spray-drying installation, air heating apparatus, dust-extraction unit and waste-heat recovery device, the air inlet of the spray-drying installation is connected with the gas outlet of the air heating apparatus, the material inlet of the spray-drying installation is being pumped into liquid material to be dried, the material outlet of the spray-drying installation is connected with the air inlet of dust-extraction unit, the gas outlet of the dust-extraction unit is connected with the air inlet of the waste-heat recovery device, the gas outlet of the waste-heat recovery device is connected with the air inlet of the air heating apparatus, the waste-heat recovery device is to the heat in gas recovery and reduces the content of the vapor in gas, the dust-extraction unit to will dry gained particulate dust separate and collect with gas.The beneficial effects of the utility model be so that waste heat in the hot gas discharged from spray-drying installation is by recycling again, it is energy saving.

Description

A kind of spray drying system
Technical field
The utility model belongs to drying device field more particularly to a kind of spray drying system.
Background technology
The operation principle of spray drying is exactly to be realized using several primary conditions of liquid evaporation.Environment temperature is high, table Area is big, and ambient relative humidity is low.Around these three primary conditions, all parts of spray drying device are had devised: Heating unit is provided with first of all for environment temperature is improved;Then, liquid or slurry are become thin by pressurization or mechanical system Small drop, just there is atomising device;Again by giving, air-introduced machine by the air with gaseous solvent or vaporous water endlessly It takes away, while new air is brought into drying process being made to continue to carry out around drop;Finally with filter device by tail gas filtering After discharge.It is product to be collected by filtration.It is more and more extensive to be spray-dried application field, there is irreplaceable position.But Its drawback is also obvious to all, because spray drying is huge for instantaneously drying, highly energy-consuming, exhaust emissions amount.With me The principles and policies for the energy-saving and emission-reduction that state advocates energetically are runed counter to.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of energy-saving and environment-friendly spray drying systems System.
To achieve these goals, the technical solution of the utility model is:A kind of spray drying system, including spray drying Device, air heating apparatus, dust-extraction unit and waste-heat recovery device, the air inlet of the spray-drying installation add with the air The gas outlet connection of thermal, the material inlet of the spray-drying installation is being pumped into liquid material to be dried, the spray The material outlet of mist drying device is connected with the air inlet of dust-extraction unit, the gas outlet of the dust-extraction unit and the waste heat recovery The air inlet connection of device, the gas outlet of the waste-heat recovery device is connected with the air inlet of the air heating apparatus, described Waste-heat recovery device is to the heat in gas recovery and reduces the content of the vapor in gas, and the dust-extraction unit is to general The particulate dust of dry gained is separated and collected with gas.
The advantageous effect of above-mentioned technical proposal is so that the waste heat in the hot gas discharged from spray-drying installation It is energy saving by recycling again, while spray drying resulting material is recycled using dust-extraction unit, the rate of recovery Height, and will not have a negative impact to environment.
Dust-extraction unit described in above-mentioned technical proposal includes exhaust fan, filter device and dedusting component, the dedusting component Air inlet connected with the material outlet of the spray-drying installation, the gas outlet of the dedusting component and the exhaust fan into Gas port connects, and the dedusting component is to retain and collect sub-material in gas therethrough, the air inlet of the filter device It is connected with the gas outlet of the exhaust fan, the gas outlet of the filter device is connected with the air inlet of the waste-heat recovery device.
The advantageous effect of above-mentioned technical proposal is so that is improved by the organic efficiency of dry material, promoting the circulation of qi of going forward side by side is consolidated Separation, recycles convenient for gas recovery.
Dedusting component described in above-mentioned technical proposal is by cyclone dust collector, bag-type dust collector and electrostatic precipitator One or more be sequentially connected in series.
The advantageous effect of above-mentioned technical proposal is carried out in the powder discharged in using dedusting component to spray-drying installation The air for sufficiently separating and collecting and using filter device band being had surplus heat, which purifies, to be recycled.
Waste-heat recovery device described in above-mentioned technical proposal include condensing unit, air feed pump, multiple afterheat heat exchangers and with Each afterheat heat exchanger multiple preheating heat exchangers correspondingly, the air inlet of multiple afterheat heat exchangers and gas outlet are successively Series connection, wherein the air inlet of first afterheat heat exchanger is connected with the gas outlet of the filter device, gas outlet with it is described cold The air inlet connection of solidifying device, the air inlet of the remaining afterheat heat exchanger and gas outlet are sequentially connected in series, the condensing unit Gas outlet is connected with the air inlet of second afterheat heat exchanger, the gas outlet of the last one afterheat heat exchanger with it is described The air inlet connection of air feed pump, the air inlet of multiple preheating heat exchangers and gas outlet are sequentially connected in series, and the air feed pump goes out Gas port is connected with the air inlet of first preheating heat exchanger, and the gas outlet of the last one preheating heat exchanger adds with the air The air inlet connection of thermal, multiple afterheat heat exchangers are a pair of along airflow direction and multiple preheating heat exchangers mutual one The carry out heat exchange answered.
The advantageous effect of above-mentioned technical proposal is, sufficiently the waste heat in hot-air is recycled, and by its The a large amount of vapor carried are cooled down by way of heat exchange and are condensed into liquid and discharge, wherein afterheat heat exchanger and pre- Heat exchange is carried out by heat transfer between heat exchanger, the heat in afterheat heat exchanger is taken in preheating heat exchanger.
Afterheat heat exchanger described in above-mentioned technical proposal includes a closed first shell, and the first shell is opposite to be set Air inlet and gas outlet are equipped with, the first coil pipe is provided in the first shell, the first coil pipe both ends extend through out institute The inlet and outlet that first shell is respectively formed afterheat heat exchanger are stated, the first shell lower end is provided with osculum, institute Osculum is stated the liquid condensed in recyclegas is discharged first shell;The preheating heat exchanger includes one closed the Two housings are provided with the second coil pipe in the second shell, and the both ends of second coil pipe extend through out the second shell Air inlet and the gas outlet of preheating heat exchanger are respectively formed, inlet and outlet are provided in the second shell, it is described remaining The water outlet of heat exchanger is connected to and in communication with the water inlet of corresponding preheating heat exchanger by first pipe, the waste heat heat exchange The water inlet of device and the water outlet of the preheating heat exchanger are connected to and in communication with by second pipe, are set on each second pipe Have the first water pump, first water pump to by the water in the preheating heat exchanger be pumped into corresponding afterheat heat exchanger and It is circulated between the preheating heat exchanger and corresponding afterheat heat exchanger.
The advantageous effect of above-mentioned technical proposal is that i.e. afterheat heat exchanger and preheating heat exchanger is divided into gas passage and biography That gas is conducted heat in heat transfer medium in hot media channel, wherein afterheat heat exchanger, heat transfer medium lead to pump be pumped into it is pre- The heat in heat transfer medium is conducted to recyclegas again in heat exchanger, and the temperature of heat transfer medium lowers and it is remaining to be recycled to In heat exchanger.
Condensing unit described in above-mentioned technical proposal is to include surface cooler, cooling column and the second water pump, the surface cooler The gas outlet of air inlet and first afterheat heat exchanger is connected to and in communication with, the gas outlet of the surface cooler with second described in The air inlet of afterheat heat exchanger is connected to and in communication with, the water outlet connection of the second water pump described in the water inlet of the surface cooler, described The water inlet of second water pump is connected with the water outlet of the cooling column, the water outlet of the water inlet of the cooling column and the surface cooler Mouthful connection, second water pump is making the condensed water in the surface cooler be circulated between cooling column and surface cooler.
The purpose that the advantageous effect of above-mentioned technical proposal is to set surface cooler is in order to which the temperature of recyclegas is down to Below dew point so that the vapor in recyclegas is largely condensed into liquid, moisture in gas is reduced, convenient for gas It recycles.
Description of the drawings
Fig. 1 is the structure diagram of the spray drying system described in the utility model embodiment;
Fig. 2 is the structure letter between waste heat heat exchange and corresponding preheating heat exchanger described in the utility model embodiment Figure.
In figure:1 spray-drying installation, 2 air heating apparatus, 3 dust-extraction units, 31 exhaust fans, 32 filter devices, 33 dedustings Component, 4 waste-heat recovery devices, 41 condensing units, 411 surface coolers, 412 cooling columns, 413 second water pumps, 42 air feed pumps, 43 waste heats Heat exchanger, 431 first shells, 432 first coil pipes, 433 osculums, 44 preheating heat exchangers, 441 second shells, 442 second disks Pipe, 45 first water pumps.
Specific embodiment
The principle and feature of the utility model are described below in conjunction with attached drawing, example is served only for explaining this practicality It is new, it is not intended to limit the scope of the utility model.
As shown in Figure 1, a kind of spray drying system is present embodiments provided, including spray-drying installation 1, air heating dress Put 2, dust-extraction unit 3 and waste-heat recovery device 4, the air inlet of the spray-drying installation 1 and going out for the air heating apparatus 2 Gas port connects, and the material inlet of the spray-drying installation 1 is being pumped into liquid material to be dried, the spray-drying installation 1 material outlet is connected with the air inlet of dust-extraction unit 3, the gas outlet of the dust-extraction unit 3 and the waste-heat recovery device 4 Air inlet connection, the gas outlet of the waste-heat recovery device 4 connects with the air inlet of the air heating apparatus 2, it is described more than Heat reclamation device 4 is to the heat in gas recovery and reduces the content of the vapor in gas, and the dust-extraction unit 3 is to general The particulate dust of dry gained is separated and collected with gas.So that the waste heat in the hot gas discharged from spray-drying installation It is energy saving by recycling again, while spray drying resulting material is recycled using dust-extraction unit, the rate of recovery Height, and will not have a negative impact to environment.
Dust-extraction unit 3 described in above-described embodiment includes exhaust fan 31, filter device 32 and dedusting component 33, the dedusting The air inlet of component 33 is connected with the material outlet of the spray-drying installation 1, the gas outlet of the dedusting component 33 with it is described The air inlet connection of exhaust fan 31, the dedusting component 33 is to retain and collect sub-material in gas therethrough, the mistake The air inlet of filter device 32 is connected with the gas outlet of the exhaust fan 31, and gas outlet and the waste heat of the filter device 32 return The air inlet connection of receiving apparatus 4.So that being improved by the organic efficiency of dry material, and gas solid separation is carried out, convenient for recycling gas Body circulation utilizes.Preferably, the dedusting component 33 is by cyclone dust collector, bag-type dust collector and electrostatic precipitator It one or is sequentially connected in series more;The filter device 32 is high efficiency particulate air filter.Using dedusting component in spray-drying installation The air that the powder of discharge is sufficiently separated and collected and using filter device band had surplus heat, which purifies, to be cycled It utilizes.Further preferred, the dedusting component is sequentially communicated combination for both cyclone dust collector and bag-type dust collector It forms, wherein the air inlet of cyclone dust collector is connected with the gas outlet of the spray-drying installation 1, is worked off one's feeling vent one's spleen and the cloth The air inlet connection of bag dust-extraction unit, the gas outlet of the bag-type dust collector is connected with the air inlet of aspiration pump, using whirlwind The advantages of dust-extraction unit and bag-type dust collector is that the two is more energy saving, and the air-flow provided using exhaust fan is worked.
Waste-heat recovery device 4 described in above-described embodiment includes condensing unit 41, air feed pump 42, multiple afterheat heat exchangers 43 With with each 43 one-to-one preheating heat exchanger 44 of afterheat heat exchanger, the air inlet and outlet of the multiple afterheat heat exchanger 43 Mouth is sequentially connected in series, wherein the air inlet of first afterheat heat exchanger 43 is connected with the gas outlet of the filter device 32, outlet Mouth is connected with the air inlet of the condensing unit 41, and the air inlet of the remaining afterheat heat exchanger and gas outlet are sequentially connected in series, institute The gas outlet for stating condensing unit 41 is connected with the air inlet of second afterheat heat exchanger 43, the last one described waste heat changes The gas outlet of hot device 43 is connected with the air inlet of the air feed pump 42, the air inlet and outlet of multiple preheating heat exchangers 44 It mouthful is sequentially connected in series, the gas outlet of the air feed pump 42 is connected with the air inlet of first preheating heat exchanger 44, described in the last one The gas outlet of preheating heat exchanger 44 is connected with the air inlet of the air heating apparatus 2, and multiple afterheat heat exchangers 43 are along gas Flow direction and the one-to-one progress heat exchange between each other of multiple preheating heat exchangers 44.Sufficiently to the waste heat in hot-air It is recycled, and a large amount of vapor carried are cooled down by way of heat exchange and are condensed into liquid side by side Go out, heat exchange is carried out by heat transfer wherein between afterheat heat exchanger and preheating heat exchanger, by the heat in afterheat heat exchanger It takes in preheating heat exchanger.Preferably, the afterheat heat exchanger and pre-heating heat-exchanging are respectively two, and the ratio between efficiency and cost are most Rationally, it may be such that the gas temperature entered in air heating apparatus 2 exists by two-stage afterheat heat exchanger and preheating heat exchanger It 80 DEG C, then raises as slow.
As shown in Fig. 2, afterheat heat exchanger 43 described in above-described embodiment includes a closed first shell 431, it is described First shell 431 is relatively set with air inlet and gas outlet, and the first coil pipe 432 is provided in the first shell 431, described First coil pipe, 432 both ends extend through out water inlet and the water outlet that the first shell 431 is respectively formed afterheat heat exchanger 43 Mouthful, 431 lower end of first shell is provided with osculum 433, and the osculum 433 is to the liquid that will be condensed in recyclegas Discharge first shell 431;The preheating heat exchanger 44 includes a closed second shell 441, in the second shell 441 The second coil pipe 442 is provided with, the both ends of second coil pipe 442 extend through out the second shell 441 and are respectively formed preheating The air inlet of heat exchanger 44 and gas outlet are provided with inlet and outlet, the afterheat heat exchanger in the second shell 441 43 water outlet is connected to and in communication with the water inlet of corresponding preheating heat exchanger 44 by first pipe, the afterheat heat exchanger 43 The water outlet of water inlet and the preheating heat exchanger 44 be connected to and in communication with by second pipe, set on each second pipe There is the first water pump 45, first water pump 45 by the water in the preheating heat exchanger 44 being pumped into corresponding afterheat heat exchanger In 43 and it is allowed to circulate between the preheating heat exchanger 44 and corresponding afterheat heat exchanger 43.That is afterheat heat exchanger and pre- Heat exchanger is divided into gas passage and heat transfer medium channels, is wherein that gas conducts heat to heat transfer Jie in afterheat heat exchanger In matter, heat transfer medium leads to be pumped into preheating heat exchanger is conducted to recyclegas again by the heat in heat transfer medium, and conducts heat The temperature of medium lowers and is recycled in afterheat heat exchanger.
Preferably, the osculum 433 of the afterheat heat exchanger 43 could be provided as vertical U-tube, its one end with it is described First shell connects, and liquid fluid-tight is used in U-tube, when the in vivo pressure of first shell reaches certain value or the height of liquid level More than U-tube the other end when, can be by the in vivo water discharge part of first shell so that its internal hydrops is in balance.
Certainly can also be set by being arranged on setting solenoid valve at osculum 433 in corresponding first housing bottom Level sensor, and corresponding control device is matched, level sensor liquid level limit value is set, when the in vivo liquid level of first shell reaches After the liquid level limit value of level sensor, signal is delivered to control device by level sensor, and is opened by control device solenoid valve The water that the in vivo condensation of first shell deposits is discharged, after draining, signal is delivered to control device by level sensor, And it is closed by control device control solenoid valve, recyclegas leakage.
Condensing unit 41 described in above-described embodiment is to include surface cooler 411,412 and second water pump 413 of cooling column, described The air inlet of surface cooler 411 and the gas outlet of first afterheat heat exchanger 43 are connected to and in communication with, and the surface cooler 411 goes out The air inlet of gas port and second afterheat heat exchanger 43 is connected to and in communication with, second described in the water inlet of the surface cooler 411 The water outlet connection of water pump 413, the water inlet of second water pump 413 is connected with the water outlet of the cooling column 412, described cold The water inlet of water tower 412 is connected with the water outlet of the surface cooler 411, and second water pump 413 is making the surface cooler 411 Interior condensed water flow circuit between cooling column 412 and surface cooler 411.The purpose for setting surface cooler is in order to by recyclegas Temperature be down to below dew point so that the vapor in recyclegas is largely condensed into liquid, reduces moisture in gas, Convenient for recycling for gas.
Detailed case introduction is carried out with reference to the utility model and system flow chart (Fig. 1).Slurry to be dried leads to The atomizer for crossing spray-drying installation is atomized into tiny droplet, the cycling with being heated to 200 DEG C by air heating apparatus 2 Gas contacts after 200 DEG C of recyclegas is uniformly distributed in spray-drying installation 1 and with droplet rapidly, makes the appearance in droplet Liquid or the water rapid evaporation in spray-drying installation 1.It forms dry powder and tail gas, 100 DEG C of exhaust temperature is driven by air-introduced machine Gas solid separation is carried out into dust-extraction unit 3.It discharges and no longer contains dust temperature in the tail gas of dust-extraction unit 3 for 95 DEG C.Then into Enter to first order waste-heat recovery device 43 and will be taken out by the high-order waste heat of institute's band in tail gas.Next the tail gas after cooling enters The temperature of tail gas is down to below dew point by cooling device 41, makes to be evaporated to the gaseous state volume in tail gas or water vapor condensation gets off, Reduce the relative humidity in tail gas.Second level afterheat heat exchanger to afterbody afterheat heat exchanger is passed sequentially through again absorbs tail gas In latent heat, gaseous state volume or vapor are further condensed and discharged.It is finally reached dry required air humidity content. Tail gas has been lowered to 30 DEG C of relatively low temperature at this time.And 30 DEG C of low temperature exhaust gas is pushed after air feed pump 42 successively into Level-one preheating heat exchanger is carried out distribution heat temperature raising to afterbody preheating heat exchanger, and temperature is close to 80 DEG C at this time.It passes through at this time The tail gas crossed after multistage preheating enters air heating apparatus 2, is heated to dry required temperature, goes to complete to be spray-dried remaining Flow, tail gas finally discharged by exhaust fan again.It is cycled with this, the gaseous state evaporated holds liquid or vapor is condensed out Come.Tail gas is recycled in system again, by as heat carrier and system circulation medium.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality Within new spirit and principle, any modifications, equivalent replacements and improvements are made should be included in the guarantor of the utility model Within the scope of shield.

Claims (6)

1. a kind of spray drying system, which is characterized in that including spray-drying installation (1), air heating apparatus (2), dedusting dress Put (3) and waste-heat recovery device (4), the air inlet of the spray-drying installation (1) and the outlet of the air heating apparatus (2) Mouthful connection, the material inlet of the spray-drying installation (1) is being pumped into liquid material to be dried, the spray-drying installation (1) material outlet is connected with the air inlet of dust-extraction unit (3), gas outlet and the waste heat recovery of the dust-extraction unit (3) The air inlet connection of device (4), the gas outlet of the waste-heat recovery device (4) and the air inlet of the air heating apparatus (2) Connection, the waste-heat recovery device (4) is to the heat in gas recovery and reduces the content of the vapor in gas, described to remove Dirt device (3) to will dry gained particulate dust separate and collect with gas.
2. spray drying system according to claim 1, which is characterized in that the dust-extraction unit (3) includes exhaust fan (31), filter device (32) and dedusting component (33), air inlet and the spray-drying installation (1) of the dedusting component (33) Material outlet connection, the gas outlet of the dedusting component (33) connects with the air inlet of the exhaust fan (31), the dedusting Component (33) is to retain and collect sub-material in gas therethrough, air inlet and the exhausting of the filter device (32) The gas outlet connection of machine (31), the gas outlet of the filter device (32) is connected with the air inlet of the waste-heat recovery device (4).
3. spray drying system according to claim 2, which is characterized in that the dedusting component (33) is filled by cyclone dust removal It puts, one or more of bag-type dust collector and electrostatic precipitator are sequentially connected in series.
4. the spray drying system according to Claims 2 or 3, which is characterized in that the waste-heat recovery device (4) includes cold Solidifying device (41), air feed pump (42), multiple afterheat heat exchangers (43) and one-to-one multiple with each afterheat heat exchanger (43) Preheating heat exchanger (44), the air inlet of multiple afterheat heat exchangers (43) and gas outlet are sequentially connected in series, wherein first waste heat The air inlet of heat exchanger (43) is connected with the gas outlet of the filter device (32), gas outlet and the condensing unit (41) Air inlet connection, the air inlet of the remaining afterheat heat exchanger and gas outlet be sequentially connected in series, and condensing unit (41) go out Gas port is connected with the air inlet of second afterheat heat exchanger (43), the gas outlet of the last one afterheat heat exchanger (43) It being connected with the air inlet of the air feed pump (42), the air inlet of multiple preheating heat exchangers (44) and gas outlet are sequentially connected in series, The gas outlet of the air feed pump (42) is connected with the air inlet of first preheating heat exchanger (44), the last one described pre-heating heat-exchanging The gas outlet of device (44) is connected with the air inlet of the air heating apparatus (2), and multiple afterheat heat exchangers (43) are along air-flow Direction and multiple preheating heat exchangers (44) one-to-one progress heat exchange between each other.
5. spray drying system according to claim 4, which is characterized in that the afterheat heat exchanger (43) is close including one The first shell (431) closed, the first shell (431) are relatively set with air inlet and gas outlet, the first shell (431) The first coil pipe (432) is inside provided with, the first coil pipe (432) both ends extend through out the first shell (431) shape respectively Into the inlet and outlet of afterheat heat exchanger (43), first shell (431) lower end is provided with osculum (433), described Osculum (433) to by the liquid condensed in recyclegas discharge first shell (431);The preheating heat exchanger (44) includes One closed second shell (441), the second shell (441) is interior to be provided with the second coil pipe (442), second coil pipe (442) both ends extend through out air inlet and the gas outlet that the second shell (441) is respectively formed preheating heat exchanger (44), Be provided with inlet and outlet on the second shell (441), the water outlet of the afterheat heat exchanger (43) with it is corresponding pre- The water inlet of heat exchanger (44) is connected to and in communication with by first pipe, the water inlet of the afterheat heat exchanger (43) with it is described pre- The water outlet of heat exchanger (44) is connected to and in communication with by second pipe, and each second pipe is equipped with the first water pump (45), first water pump (45) by the water in the preheating heat exchanger (44) being pumped into corresponding afterheat heat exchanger (43) It is interior and circulated between the preheating heat exchanger (44) and corresponding afterheat heat exchanger (43).
6. spray drying system according to claim 5, which is characterized in that the condensing unit (41) is to include surface cooler (411), cooling column (412) and the second water pump (413), the air inlet of the surface cooler (411) and first waste heat exchange heat The gas outlet of device (43) is connected to and in communication with, the gas outlet of the surface cooler (411) and second afterheat heat exchanger (43) Air inlet is connected to and in communication with, the connection of the water outlet of the second water pump (413) described in the water inlet of the surface cooler (411), and described the The water inlet of two water pumps (413) is connected with the water outlet of the cooling column (412), the water inlet of the cooling column (412) and institute The water outlet connection of surface cooler (411) is stated, second water pump (413) is making the condensed water in the surface cooler (411) exist It is circulated between cooling column (412) and surface cooler (411).
CN201721515203.XU 2017-11-14 2017-11-14 A kind of spray drying system Active CN207429716U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107854855A (en) * 2017-11-14 2018-03-30 无锡求索机械科技有限公司 A kind of spray drying system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107854855A (en) * 2017-11-14 2018-03-30 无锡求索机械科技有限公司 A kind of spray drying system

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