CN101949635B - Closed cycle spray drying and solvent recovery system - Google Patents

Closed cycle spray drying and solvent recovery system Download PDF

Info

Publication number
CN101949635B
CN101949635B CN2010102919506A CN201010291950A CN101949635B CN 101949635 B CN101949635 B CN 101949635B CN 2010102919506 A CN2010102919506 A CN 2010102919506A CN 201010291950 A CN201010291950 A CN 201010291950A CN 101949635 B CN101949635 B CN 101949635B
Authority
CN
China
Prior art keywords
air
nozzle
condenser
nitrogen
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010102919506A
Other languages
Chinese (zh)
Other versions
CN101949635A (en
Inventor
周友来
徐德兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANGZHOU LEMAR DRYING ENGINEERING Co Ltd
Original Assignee
CHANGZHOU LEMAR DRYING ENGINEERING Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHANGZHOU LEMAR DRYING ENGINEERING Co Ltd filed Critical CHANGZHOU LEMAR DRYING ENGINEERING Co Ltd
Priority to CN2010102919506A priority Critical patent/CN101949635B/en
Publication of CN101949635A publication Critical patent/CN101949635A/en
Application granted granted Critical
Publication of CN101949635B publication Critical patent/CN101949635B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

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

Abstract

The invention relates to a closed cycle spray drying and solvent recovery system which comprises a feed pump, a spray drying tower, a cyclone dust collector, a bag type dust collector, a filter, an air blower, a condenser and a heater, wherein the lower part of the spray drying tower is provided with an air-blast sprayer, and a nitrogen supply pipe is connected with the feed inlet of the air-blast sprayer; the air outlet of the spray drying tower is connected with the air inlet of the cyclone dust collector through a 1st pipeline, the air outlet of the cyclone dust collector is connected with the air inlet of the bag type dust collector through a 2nd pipeline, the air outlet of the bag type dust collector is connected with the air inlet of the condenser through a 3rd pipeline, the filter and the air blower are serially connected to the 3rd pipeline, the air outlet of the condenser is connected with the air inlet of the spray drying tower through a 4th pipeline, and the heater is serially connected to the 4th pipeline. The system product has the advantages of high yield, guaranteed quality and good security, and is not only suitable for feed liquid with good flowability, but also suitable for feed liquid with high viscosity and poor flowability.

Description

Closed cycle spray-drying and solvent recovery system
Technical field
The present invention relates to closed cycle spray-drying and solvent recovery system.
Background technology
Chinese patent number be 200520107528.5 utility model patent specification disclosed be a kind of closed circuit cycle centrifugal spray drier; Comprise successively the gas heater, centrifugal spray drying tower and the cyclone separator that connect, between the air inlet of the air stream outlet of cyclone separator and gas heater, be orderly connected with airtight hydrofuge machine, spray column, condenser, gas-liquid separator, airtight air blast through pipeline; The air inlet of gas heater is also managed with the inert gas confession of outside and is linked.Drying medium is a nitrogen; Nitrogen gets into filter cleaning and heater heating after distributor gets into drying tower through the driving of enclosed blower fan, and material forms tiny droplet through the centrifugal atomizer atomizing, realizes that with hot-air caloic exchanges in drying tower; Be dried to powder product in a short period of time; Product is collected by collector at the bottom of the tower continuously, and the fine grained product gets into cyclone separator with induced draught system and accomplishes gas solid separation, hot and humid gas through the spray column dedusting after condenser gets into the recirculation of enclosed blower fan.The centrifugal spray drying tower of above-mentioned closed cycle adopts the atomizing rotating disk, and the suitable viscosity of atomizing rotating disk is high, the atomizing of the feed liquid of mobile difference, largely limit the scope of application of this drying system.In dry and solvent removal process; The leftover materials dust gets in the spray column with nitrogen; Through the spray mode, the last residue micro mist in the damp and hot nitrogen is reclaimed, owing to there is the material dust about 10% to get in the spray column with drying medium; So the organic solvent that sprays can cause product waste and production cost to improve with dry good material dust is wetting again.There is potential safety hazard in a large amount of organic solvent of spray column internal memory simultaneously.
Summary of the invention
Main purpose of the present invention is to propose high and safe and reliable closed cycle spray-drying and the solvent recovery system of a kind of finished product recovery rate; It not only is suitable for the feed liquid of good fluidity; Viscosity is high, the feed liquid of mobile difference but also be suitable for, and further purpose of the present invention is that the quality of finished product is guaranteed.
For achieving the above object, the present invention takes following technical scheme:
This closed cycle spray-drying and solvent recovery system comprise feed pump, spray drying tower, deduster, filter, blower fan, condenser, heater; It is characterized in that: the body of the tower bottom of said spray drying tower is provided with the air-flowing type sprayer; Feed pump is connected with the charging aperture of air-flowing type sprayer through feeder sleeve, and No. 1 nitrogen supplies pipe to be connected with the charging aperture of air-flowing type sprayer; Deduster comprises cyclone dust collectors and sack cleaner; The air outlet of said spray-drying tower bottom is connected with the air inlet of said cyclone dust collectors through No. 1 pipeline; The air outlet of cyclone dust collectors is connected with the air inlet of said sack cleaner through No. 2 pipelines; The air outlet of sack cleaner is connected with the air inlet of said condenser through No. 3 pipelines; Said filter and blower fan are serially connected on above-mentioned No. 3 pipelines, and the air outlet of condenser is connected with the air inlet at the body of the tower top of said spray drying tower through No. 4 pipelines, and said heater is serially connected on No. 4 pipelines; Said air-flowing type sprayer has nozzle, and nozzle has nozzle body, nozzle core and cap of spraying nozzle, and the top of said nozzle body has the cavity of being made up of cylinder chamber and annular chamber; The position that annular chamber surrounds is provided with connecting hole; Said nozzle core is made up of head and shank, and the shank threads of nozzle core is connected in the connecting hole of nozzle body, and the head of nozzle core is in the cylinder chamber of nozzle body; Said cap of spraying nozzle is threaded in the outside, upper end of said nozzle body; Have the gap between the end face of nozzle core and the top inner wall of cap of spraying nozzle, this gap is the premixer, and the head outer surface of nozzle core is provided with the helical form airslide that connects annular chamber and premixer; The central authorities of nozzle core are provided with the material through hole, and nozzle body is provided with and the material through hole all-in-one-piece material through hole of nozzle core and the air-flow through hole that communicates with annular chamber.
On the said nozzle body and the below that the is in cap of spraying nozzle locking nut that has been threaded.
The body of the tower top of said spray drying tower is equipped with the venting of dust explosion film.
In the body of the tower of said spray drying tower and the air inlet below that is in spray drying tower body of the tower top is provided with 1 to 2 layer of air uniform plate.
The tank body of said sack cleaner is interior and above filter bag, be provided with nitrogen blowback jet pipe, and nitrogen blowback jet pipe supplies pipe to be connected with No. 2 nitrogen, and No. 2 nitrogen supply pipe to be provided with magnetic valve.
The housing of said condenser is made up of preceding conical shell, rectangle shell and back conical shell, is respectively equipped with air inlet and air outlet on the forward and backward conical shell, and rectangle shell bottom is provided with condensate liquid and collects mouth; Respectively be provided with some vertical slot on the left and right side inwall of rectangle shell; Wherein every groove of a side inwall is divided into upper and lower part independent of each other by dividing plate; Be respectively that freezing liquid goes back to the chamber and freezing liquid enters the chamber; Every groove of opposite side inwall is the freezing liquid adapter cavity; In rectangular housing, pasting the left and right side inwall and respectively be provided with tube sheet, each freezing liquid advances between chamber and the relative freezing liquid adapter cavity, each freezing liquid goes back to the chamber and relative freezing liquid adapter cavity between be equipped with one group of condenser pipe that is connected between the two tube sheet corresponding apertures, every condenser pipe group comprises the condenser pipe more than 8; The housing position that corresponding every freezing liquid enters the chamber is provided with feed tube; All feed tubes all are connected with the feed liquor house steward; The housing position that corresponding every freezing liquid goes back to the chamber is provided with liquid back pipe, and all liquid back pipes all are connected with time liquid house steward, and the feed liquor house steward all is connected with freezing unit with time liquid house steward.
In the said condenser, be provided with homogenating plate, be provided with the blinds liquid barrier at an end of air outlet at an end of air inlet.
Be tied with the heat radiation aluminium strip of tight contact on the condenser pipe of said condenser.
On No. 1 pipeline, be provided with the leaving air temp sensor; The relief valve and the exhaust-valve that on No. 4 pipelines, are provided with condensation temperature flowmeter sensor, pressure sensor, nitrogen replenishment valve, inflated with nitrogen valve, EAT sensor and connect through arm; In addition, supply pipe and No. 2 nitrogen to supply respectively to be provided with valve on the pipe at No. 1 nitrogen.
The present invention has following good effect: 1, native system is save spray column; Improved the security performance of system; Through cyclone dust collectors and the rewinding of sack cleaner two-stage dust removal; Not only the product recovery rate is high, owing to be two-stage dust removal, can prevent influences condensation effect because of dust is adsorbed in condenser surface.2, the air-flowing type sprayer of native system employing, not only the feed liquid of suitable good fluidity is applicable to that also viscosity is high, the feed liquid of mobile difference, has enlarged the scope of application of native system.The air-flowing type sprayer does not have mechanical transmission component, good airproof performance, cleaning to remove and install convenient and low price.The nozzle core interchangeable of the air-flowing type sprayer of native system; Size through transposing nozzle core, the outlet of change nozzle core is adjusted the flow of material; Angle through the transposing nozzle core comes adjustable screw shape airslide with the radial shear power of strengthening flow, makes the droplet of atomizing more even; Solved not dry, the little droplet particle drying over-education phenomenon of big droplet particle of aerodynamic atomization device in the past, the quality of finished product is guaranteed.3, the sack cleaner of native system has nitrogen blowback jet pipe, and at a distance from certain hour, nitrogen blowback jet pipe is jetted once, and the material dust that is adsorbed on filter cloth bag outer wall is blown off in charging basket.In the past since the material dust of the absorption of filter bag outer wall strengthen gradually; The gas flow resistance strengthens gradually; The ventilation of system reduces gradually, directly influences the quality of finished product, and need shut down the cleaning of filter bag and to pull down filter bag and just can carry out; Be provided with nitrogen blowback jet pipe, for the cleaning of filter bag is provided convenience.Because the material dust of the absorption of filter bag outer wall all the time seldom, the ventilation of system can not be affected, and the quality of finished product is guaranteed.4, the condenser that adopts of native system is provided with a plurality of freezing liquids and enters the chamber; The feed liquor house steward imports each freezing liquid to freezing liquid simultaneously and enters the chamber; Freezing liquid can get into freezing liquid to advance in the condenser pipe that the chamber is connected simultaneously; Gas is in the condenser pipe flows outside, so native system is simple in structure and condensation effect is good, and the phenomenon of having avoided the gaseous state organic solvent all not liquefy.Especially the condenser pipe outer wall closely contacts around the heat radiation aluminium strip and with condenser pipe, has improved and has got effect with fixed attention.5, the condenser air inlet is provided with homogenating plate, avoids gas in condenser skewness or short circuit phenomenon, and the exit is provided with liquid barrier, will tackle and flow into condenser bottom and collection with the organic solvent drop that gas is taken out of.6, native system is equipped with the venting of dust explosion film at the body of the tower top of spray drying tower, has strengthened the security performance of system.
Description of drawings
For content of the present invention is more clearly understood,, the present invention is done further detailed explanation, wherein below according to specific embodiment and combine accompanying drawing
Fig. 1 is a configuration diagram of the present invention;
Fig. 2 is the configuration diagram of air-flowing type sprayer;
Fig. 3 is the configuration diagram of nozzle core;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the C-C cutaway view of Fig. 4;
Fig. 6 is the configuration diagram of sack cleaner;
Fig. 7 is the structure of condenser diagrammatic sketch;
Fig. 8 is the vertical view (broken section) of Fig. 7
Fig. 9 is the G-G cutaway view of Fig. 8.
The specific embodiment
(embodiment 1)
See Fig. 1, present embodiment comprises feed pump 1, spray drying tower 2, deduster, tertiary filter 5, enclosed blower fan 6, condenser 7, heater 10, and deduster comprises cyclone dust collectors 3 and sack cleaner 4.The body of the tower top of said spray drying tower 2 is equipped with venting of dust explosion film 2-4.In the body of the tower of said the spray drying tower 2 and air inlet 2-3 below that is in spray drying tower body of the tower top is provided with 1~2 layer of air uniform plate 2-5, to prevent air turbulence.The body of the tower top of said spray drying tower 2 is provided with pneumatic hammer 2-1; The body of the tower bottom is provided with air-flowing type sprayer 18; Feed pump 1 is connected with the charging aperture of air-flowing type sprayer 18 through feeder sleeve 12, and No. 1 nitrogen confession is managed 11 and is in charge of respectively through two and is connected with the charging aperture of air-flowing type sprayer 18 with pneumatic hammer 2-1.The air outlet of spray drying tower 2 bottoms is connected with the air inlet of said cyclone dust collectors 3 through No. 1 pipeline 13; The air outlet of cyclone dust collectors 3 is connected with the air inlet of said sack cleaner 4 through No. 2 pipelines 14; The air outlet of sack cleaner 4 is connected with the air inlet of said condenser 7 through No. 3 pipelines 15; Said filter 5 is serially connected on above-mentioned No. 3 pipelines 15 with blower fan 6; The air outlet of condenser 7 is connected with the air inlet at the body of the tower top of said spray drying tower 2 through No. 4 pipelines 16, and said heater 10 is serially connected on No. 4 pipelines 16.
See Fig. 1 to Fig. 5; Said air-flowing type sprayer 18 has nozzle; Nozzle has nozzle body 18-1, nozzle core 18-2 and cap of spraying nozzle 18-3; The top of nozzle body 18-1 has the cavity of being made up of cylinder chamber 18-b and annular chamber 18-c, and the position that annular chamber 18-c surrounds is provided with connecting hole, and said nozzle core 18-2 is made up of head 18-2-1 and shank 18-2-2; The shank 18-2-2 of nozzle core 18-2 is threaded in the connecting hole of nozzle body 18-1; And the head of nozzle core 18-2 is in the cylinder chamber 18-b of nozzle body 18-1, and said cap of spraying nozzle 18-3 is threaded in the outside, upper end of said nozzle body 18-1, has the gap between the top inner wall of the end face of nozzle core 18-2 and cap of spraying nozzle 18-3; This gap is the 18-e of premixer; The head outer surface of nozzle core 18-2 is provided with the helical form airslide 18-c that connects annular chamber 18-b and the 18-e of premixer, and the central authorities of nozzle core 18-2 are provided with material through hole 18-a, and nozzle body 18-1 is provided with and the material through hole 18-a all-in-one-piece material through hole 18-a of nozzle core 18-2 and the air-flow through hole 18-d that communicates with annular chamber 18-b.Nozzle body 18-1 goes up and the below that is in cap of spraying nozzle 18-3 has been threaded locking nut 18-4.Unclamp locking nut 18-4, adjust the size of the 18-e of premixer through swivel nozzle cap 18-3.
See Fig. 6, the tank body of said sack cleaner 4 is interior and above filter bag 4-2, be provided with nitrogen blowback jet pipe 4-3, and nitrogen blowback jet pipe 4-3 is provided with magnetic valve 4-4, and nitrogen blowback jet pipe 4-3 supplies pipe 17 to be connected with No. 2 nitrogen.A discharging opening 4-1 is established in the bottom of sack cleaner, and valve and charging basket are housed.Can whenever can open once at a distance from 20 seconds by computer-controlled motor-driven valve, to the filter bag inwall once high speed stream of nitrogen gas of jetting, the material dust that is adsorbed on the cloth bag outer wall is blown off, and is collected by charging basket.
See Fig. 7 to Fig. 9; The housing of said condenser 7 is made up of preceding conical shell, rectangle shell and back conical shell; Be respectively equipped with air inlet 7-1 and air outlet 7-2 on the forward and backward conical shell, rectangle shell bottom is provided with condensate liquid and collects a mouthful 7-3, and condensate liquid is collected a mouthful 7-3 and is connected with condensate liquid storage tank 8.Respectively be provided with some vertical slot 7-4 on the left and right side inwall of rectangle shell; Wherein every groove 7-4 of a side inwall is divided into upper and lower part independent of each other by dividing plate 7-5; Be respectively that freezing liquid returns chamber 7-4-2 and freezing liquid advances chamber 7-4-1; Every groove 7-4 of opposite side inwall is freezing liquid adapter cavity 7-4-3; In rectangular housing, paste the left and right side inwall and respectively be provided with tube sheet 7-6; Each freezing liquid advances between chamber 7-4-1 and the relative freezing liquid adapter cavity 7-4-3, each freezing liquid returns chamber 7-4-2 and relative freezing liquid adapter cavity 7-4-3 between be equipped with one group of condenser pipe 7-9 that is connected between the two tube sheet 7-6 corresponding apertures, every condenser pipe group comprises the condenser pipe more than 8, is tied with the heat radiation aluminium strip 7-10 of tight contact on the condenser pipe 7-9 of said condenser 7.
The housing position that corresponding every freezing liquid advances chamber 7-4-1 is provided with feed tube 7-11; All feed tube 7-11 all are connected with feed liquor house steward 7-13; The housing position that corresponding every freezing liquid returns chamber 7-4-2 is provided with liquid back pipe 7-12; All liquid back pipe 7-12 all are connected with time liquid house steward 7-14, and feed liquor house steward 7-13 all is connected with freezing unit 9 with time liquid house steward 7-14.In the said condenser 7, be provided with homogenating plate 7-7, be provided with blinds liquid barrier 7-8 at an end of air outlet at the end of air inlet 7-1.
See Fig. 1; On No. 1 pipeline 13, be provided with leaving air temp sensor 20; The air bleeding valve 23 that on No. 4 pipelines 16, is provided with condensation temperature flowmeter sensor 21, oxygen analysis appearance 22, pressure sensor 24, relief valve 25, nitrogen replenishment valve 26, EAT sensor 27 and connects through arm; In addition, supply 11 and No. 2 nitrogen of pipe to supply respectively to be provided with valve on the pipe 17 at No. 1 nitrogen.
Material gets into spray drying tower 2 through air-flowing type sprayer 18; Dried material successively gets into cyclone dust collectors 3 with the dry gas that contains solvent and carries out gas solid separation with sack cleaner 4; The finished product that two dedusters are collected is by the delivery outlet output of bottom separately; Dry gas gets into condensers 7 through filter 5 and blower fan 6 and reclaims condensate liquids, and the condensate liquid of recovery is collected by condensate liquid storage tank 8, carries back spray drying tower 2 again by 10 heating of dry gas heater via and the filtration of condenser output.

Claims (9)

1. closed cycle spray-drying and solvent recovery system; Comprise feed pump (1), spray drying tower (2), deduster, filter (5), blower fan (6), condenser (7), heater (10); It is characterized in that: the body of the tower bottom of said spray drying tower (2) is provided with air-flowing type sprayer (18); Feed pump (1) is connected with the charging aperture of air-flowing type sprayer (18) through feeder sleeve (12), and No. 1 nitrogen supplies pipe (11) to be connected with the charging aperture of air-flowing type sprayer (18); Deduster comprises cyclone dust collectors (3) and sack cleaner (4); The air outlet of said spray drying tower (2) bottom is connected with the air inlet of said cyclone dust collectors (3) through No. 1 pipeline (13); The air outlet of cyclone dust collectors (3) is connected with the air inlet of said sack cleaner (4) through No. 2 pipelines (14); The air outlet of sack cleaner (4) is connected with the air inlet of said condenser (7) through No. 3 pipelines (15); Said filter (5) and blower fan (6) are serially connected on above-mentioned No. 3 pipelines (15); The air outlet of condenser (7) is connected with the air inlet at the body of the tower top of said spray drying tower (2) through No. 4 pipelines (16), and said heater (10) is serially connected on No. 4 pipelines (16); Said air-flowing type sprayer (18) has nozzle; Nozzle has nozzle body (18-1), nozzle core (18-2) and cap of spraying nozzle (18-3); The top of said nozzle body (18-1) has the cavity of being made up of cylinder chamber (18-b) and annular chamber (18-c); The position that annular chamber (18-c) surrounds is provided with connecting hole; Said nozzle core (18-2) is made up of head (18-2-1) and shank (18-2-2); The shank (18-2-2) of nozzle core (18-2) is threaded in the said connecting hole of nozzle body (18-1); The head of nozzle core (18-2) is in the cylinder chamber (18-b) of nozzle body (18-1), and said cap of spraying nozzle (18-3) is threaded in the outside, upper end of said nozzle body (18-1), has the gap between the top inner wall of the end face of nozzle core (18-2) and cap of spraying nozzle (18-3); This gap is premixer (18-e); The head outer surface of nozzle core (18-2) is provided with the helical form airslide (18-c) that connects annular chamber (18-b) and premixer (18-e), and the central authorities of nozzle core (18-2) are provided with material through hole (18-a), and nozzle body (18-1) is provided with and material through hole (18-a) the all-in-one-piece material through hole (18-a) of nozzle core (18-2) and the air-flow through hole (18-d) that communicates with annular chamber (18-b).
2. closed cycle spray-drying according to claim 1 and solvent recovery system is characterized in that: said nozzle body (18-1) is gone up and the below that is in cap of spraying nozzle (18-3) has been threaded locking nut (18-4).
3. closed cycle spray-drying according to claim 1 and solvent recovery system is characterized in that: the body of the tower top of said spray drying tower (2) is equipped with venting of dust explosion film (2-4).
4. closed cycle spray-drying according to claim 1 and solvent recovery system is characterized in that: in the body of the tower of said spray drying tower (2) and air inlet (2-3) below that is in spray drying tower body of the tower top is provided with 1 to 2 layer of air uniform plate (2-5).
5. closed cycle spray-drying according to claim 1 and solvent recovery system; It is characterized in that: be provided with nitrogen blowback jet pipe (4-3) in the tank body of said sack cleaner (4) and in the top of filter bag (4-2); Nitrogen blowback jet pipe (4-3) supplies pipe (17) to be connected with No. 2 nitrogen, and No. 2 nitrogen supplies pipe (17) to be provided with magnetic valve (4-4).
6. closed cycle spray-drying according to claim 1 and solvent recovery system; It is characterized in that: the housing of said condenser (7) is made up of preceding conical shell, rectangle shell and back conical shell; Be respectively equipped with air inlet (7-1) and air outlet (7-2) on the forward and backward conical shell, rectangle shell bottom is provided with condensate liquid and collects mouthful (7-3); Respectively be provided with some vertical slot (7-4) on the left and right side inwall of rectangle shell; Wherein every groove (7-4) of a side inwall is divided into upper and lower part independent of each other by dividing plate (7-5); Be respectively that freezing liquid goes back to chamber (7-4-2) and freezing liquid enters chamber (7-4-1); Every groove (7-4) of opposite side inwall is freezing liquid adapter cavity (7-4-3); In rectangular housing, paste the left and right side inwall and respectively be provided with tube sheet (7-6); Each freezing liquid advances between chamber (7-4-1) and the relative freezing liquid adapter cavity (7-4-3), each freezing liquid goes back to chamber (7-4-2) and relative freezing liquid adapter cavity (7-4-3) between be equipped with one group of condenser pipe (7-9) that is connected between two tube sheets (7-6) corresponding aperture, every condenser pipe group comprises the condenser pipe more than 8; The housing position that corresponding every freezing liquid enters chamber (7-4-1) is provided with feed tube (7-11); All feed tubes (7-11) all are connected with feed liquor house steward (7-13); The housing position that corresponding every freezing liquid goes back to chamber (7-4-2) is provided with liquid back pipe (7-12); All liquid back pipes (7-12) all are connected with time liquid house steward (7-14), and feed liquor house steward (7-13) all is connected with freezing unit (9) with time liquid house steward (7-14).
7. closed cycle spray-drying according to claim 6 and solvent recovery system is characterized in that: in the said condenser (7), be provided with homogenating plate (7-7) at an end of air inlet (7-1), be provided with blinds liquid barrier (7-8) at an end of air outlet.
8. closed cycle spray-drying according to claim 6 and solvent recovery system is characterized in that: the heat radiation aluminium strip (7-10) that is tied with tight contact on the condenser pipe (7-9) of said condenser (7).
9. closed cycle spray-drying according to claim 6 and solvent recovery system; It is characterized in that: on No. 1 pipeline (13), be provided with leaving air temp sensor (20); The relief valve (22) and the exhaust-valve (23) that on No. 4 pipelines (16), are provided with condensation temperature flowmeter sensor (21), pressure sensor (24), nitrogen replenishment valve (25), inflated with nitrogen valve (26), EAT sensor (27) and connect through arm; In addition, supply pipe (11) and No. 2 nitrogen to supply respectively to be provided with valve on the pipe (17) at No. 1 nitrogen.
CN2010102919506A 2010-09-26 2010-09-26 Closed cycle spray drying and solvent recovery system Expired - Fee Related CN101949635B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010102919506A CN101949635B (en) 2010-09-26 2010-09-26 Closed cycle spray drying and solvent recovery system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010102919506A CN101949635B (en) 2010-09-26 2010-09-26 Closed cycle spray drying and solvent recovery system

Publications (2)

Publication Number Publication Date
CN101949635A CN101949635A (en) 2011-01-19
CN101949635B true CN101949635B (en) 2012-02-22

Family

ID=43453217

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010102919506A Expired - Fee Related CN101949635B (en) 2010-09-26 2010-09-26 Closed cycle spray drying and solvent recovery system

Country Status (1)

Country Link
CN (1) CN101949635B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102168913B (en) * 2011-03-08 2012-12-19 常州先锋干燥设备有限公司 Spray drying system
CN102788488A (en) * 2012-08-03 2012-11-21 梁首强 High-speed centrifugal drying method and drying system for implementing method
CN103505372B (en) * 2013-10-21 2014-08-13 金陵科技学院 Micro-capsule preparation production equipment high in yield and wide in application range
CN105115283B (en) * 2015-09-15 2018-04-10 南京大学环境规划设计研究院股份公司 A kind of airflow energy-saving drying equipment and airflow energy-saving drying means
CN105135827A (en) * 2015-10-08 2015-12-09 黑龙江源鼎科技开发有限公司 Thermal-cycle pressure spray drying tower
CN105698512B (en) * 2016-01-23 2018-05-01 江西理工大学 A kind of spray drying system
CN106123550A (en) * 2016-08-04 2016-11-16 江苏新光数控技术有限公司 Automatically drying equipment is transmitted
US11492300B2 (en) 2016-12-27 2022-11-08 Sabic Global Technologies B.V. Drying a coating using electromagnetic radiation or heating of drum
CN107940901B (en) * 2017-10-12 2019-08-20 浙江工业大学 - 4,4 ' of one kind 3,3 '-dimethyl-diaminodiphenylmethane closed cycle drying technique
CN109663373A (en) * 2018-12-26 2019-04-23 无锡市林洲干燥设备有限公司 Emamectin benzoate close type circulation spray drying system
CN109396455A (en) * 2018-12-29 2019-03-01 昆山磁通新材料科技有限公司 A kind of safe, continuous, efficient, environmentally friendly prilling process for soft magnetic metal powder
CN111841047B (en) * 2019-04-26 2023-07-14 宁德时代新能源科技股份有限公司 Negative electrode material production equipment

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002524A (en) * 1971-09-10 1977-01-11 Aktieselskabet Niro Atomizer Method and apparatus for evaporating liquid
CN2136438Y (en) * 1991-10-18 1993-06-16 金海� Spray drying apparatus for slurry materials
CN2535739Y (en) * 2002-04-03 2003-02-12 常州市长江干燥设备厂 Carrier-boiling spraying dryer
CN2816709Y (en) * 2005-05-30 2006-09-13 查国才 Loop-circulation centrifugal atemizing dryer
CN101004320A (en) * 2006-01-22 2007-07-25 石建平 Closed circulating dry system
CN201173662Y (en) * 2008-03-07 2008-12-31 王会军 High pressure flash evaporation spray drying device
CN201327281Y (en) * 2008-11-25 2009-10-14 湖南顶立科技有限公司 Closed circulation spray drying tower pressure safeguard system
CN101776372A (en) * 2010-01-28 2010-07-14 常州市星干干燥设备有限公司 Nitrogen closed cycle drying and solvent recovery system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4961072B2 (en) * 2000-11-13 2012-06-27 大川原化工機株式会社 Gas circulation spray dryer
CN201926251U (en) * 2010-09-26 2011-08-10 常州力马干燥工程有限公司 Closed cycle spray-drying and solvent-recovery device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002524A (en) * 1971-09-10 1977-01-11 Aktieselskabet Niro Atomizer Method and apparatus for evaporating liquid
CN2136438Y (en) * 1991-10-18 1993-06-16 金海� Spray drying apparatus for slurry materials
CN2535739Y (en) * 2002-04-03 2003-02-12 常州市长江干燥设备厂 Carrier-boiling spraying dryer
CN2816709Y (en) * 2005-05-30 2006-09-13 查国才 Loop-circulation centrifugal atemizing dryer
CN101004320A (en) * 2006-01-22 2007-07-25 石建平 Closed circulating dry system
CN201173662Y (en) * 2008-03-07 2008-12-31 王会军 High pressure flash evaporation spray drying device
CN201327281Y (en) * 2008-11-25 2009-10-14 湖南顶立科技有限公司 Closed circulation spray drying tower pressure safeguard system
CN101776372A (en) * 2010-01-28 2010-07-14 常州市星干干燥设备有限公司 Nitrogen closed cycle drying and solvent recovery system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2002-143669A 2002.05.21

Also Published As

Publication number Publication date
CN101949635A (en) 2011-01-19

Similar Documents

Publication Publication Date Title
CN101949635B (en) Closed cycle spray drying and solvent recovery system
CN201926251U (en) Closed cycle spray-drying and solvent-recovery device
CN204601643U (en) A kind of spray-drying installation
CN201551860U (en) Centrifugal spray dryer unit
CN201772710U (en) Fungus dreg spray drying system
CN204952303U (en) A spray -drying device for starch sugar production
CN206715885U (en) Fluidbedgranulatingdrier
CN207871566U (en) A kind of centrifugal spray drying device
CN207575804U (en) A kind of starch spray-drying installation
CN207126149U (en) Spray drier for Chinese medicine extract
CN206526529U (en) A kind of Centrafugal spray drying tower
CN105833554A (en) Precise spray-drying machine
CN107014159B (en) A kind of drying equipment and method for lauryl sodium sulfate
CN206315486U (en) A kind of spray drying device
CN201492954U (en) Large pressure-type upper air-exhaust drying tower
CN205730414U (en) A kind of production Water soluble fertilizer spray drying tower
CN209302204U (en) Drying machine with centrifugal spray
CN209181402U (en) A kind of spray dryer for articles for washing production
CN108525442A (en) Air-borne dust wet deposition processing equipment for environmental improvement
CN208599197U (en) Prepare the spray-drying installation of nano material
CN208465208U (en) A kind of centrifugal spray dryer
CN204275522U (en) A kind of solid catalyst atomization drying system being convenient to clean
CN114452661A (en) High-temperature spraying device for ceramic granulation
CN206285515U (en) A kind of spray drying tower
CN208661056U (en) A kind of fluidized bed

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120222

Termination date: 20170926