CN205042133U - Energy -saving spray drier - Google Patents

Energy -saving spray drier Download PDF

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Publication number
CN205042133U
CN205042133U CN201520722052.XU CN201520722052U CN205042133U CN 205042133 U CN205042133 U CN 205042133U CN 201520722052 U CN201520722052 U CN 201520722052U CN 205042133 U CN205042133 U CN 205042133U
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CN
China
Prior art keywords
air
membrane separator
pipeline
drying tower
energy
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Active
Application number
CN201520722052.XU
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Chinese (zh)
Inventor
谢洪清
查协芳
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JIANGSU XIANFENG DRYING ENGINEERING Co Ltd
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JIANGSU XIANFENG DRYING ENGINEERING Co Ltd
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Priority to CN201520722052.XU priority Critical patent/CN205042133U/en
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Abstract

The utility model discloses an energy -saving spray drier, including feeding system, air inlet system, drying tower, a cyclone, the 2nd cyclone, membrane separator and draught fan, the air inlet system includes air cleaner, air -blower and the heating device who connects gradually through the pipeline, heating device links to each other with the air -supply line of drying tower, the blast pipe of membrane separator is connected to on the pipeline between air -blower and the heater through the draught fan. The utility model discloses in, air that the drying tower exhaust mixes fine grain material is through twice whirlwind after -separating, and the rethread membrane separator obtains thorough separation, and materiel recovered is efficient, and membrane separator combustion gas cleanliness factor is high, and the circulation is participated in on getting back to the pipeline between air -blower and the heater to the cleanliness factor that is close to fresh air basically, and contain more heat, can make the heat obtain make full use of, reduces energy consumption, energy saving.

Description

Energy-saving spray dryer
Technical field
The utility model relates to a kind of energy-saving spray dryer, belongs to drying equipment technical field.
Background technology
Spray dryer is the one of continous way atmospheric dryer, adopt atomizer that material liquid is separated into droplet, and obtain product with the dry droplet of hot gas, main working process is: extraneous fresh air is by air cleaner, air blast, enter air heater, make air themperature bring up to about 160 DEG C, send drying tower to.Before entering drying tower, hot-air first by air uniform plate, makes hot-air be uniformly distributed, prevents vortex, avoid coke powder to occur, to ensure drying effect.Need the material liquid of dry process, atomizer is delivered to by compression pump, feed liquid is with vaporific ejection and mix with hot-air, material Micro-picking heat, moment moisture evaporation, forms powder falls downward, through one section of constant rate of drying, further transpiring moisture, coarse granule falls into the conical lower portion of drying tower and discharges.Dried material fine silt is separated through cyclone separator with the mixture of Low Temperature Wet air, and off-air is discharged by exhaust blower, and dry fine powder product falls is discharged continuously by discharger.
Material at 1-3 is required for aridity, the off-air temperature of spray dryer after being separated is at about 50 DEG C, the heat contained is not high, but some dry materials degree require below 0.5, now the off-air temperature of spray dryer after being separated can reach about 70 DEG C, containing a large amount of heats, direct discharge can cause energy consumption greatly to promote.Therefore the heat energy reclaimed in off-air is necessary.
Utility model content
The purpose of this utility model overcomes the deficiencies in the prior art, provides a kind of energy-saving spray dryer reducing energy consumption, economize energy.
The technical solution adopted in the utility model is: a kind of energy-saving spray dryer, comprises feed system, air inlet system, drying tower, the first cyclone separator, the second cyclone separator, membrane separator and air-introduced machine;
Described feed system comprises the hopper, feeding engine and the atomizer that are connected successively by pipeline, and described atomizer is arranged in drying tower;
Described air inlet system comprises the air cleaner, air blast and the heater that are connected successively by pipeline, and described heater is connected with the blast pipe of drying tower;
Described drying tower also comprises the discharging opening being arranged on bottom and the discharge pipe being arranged on side, described discharge pipe connects the first cyclone separator, the second cyclone separator and membrane separator successively by pipeline, is equipped with discharging opening bottom described first cyclone separator, the second cyclone separator and membrane separator;
The blast pipe of described membrane separator is connected on the pipeline between air blast and heater by air-introduced machine.
Preferably, the pipeline between described second cyclone separator and membrane separator is equipped with wind pressure measuring meter.
Preferably, the blast pipe of described membrane separator is equipped with wind pressure measuring meter.
In the utility model, the air of the fine grain material of mixing that drying tower is discharged is after twice cyclonic separation, be separated thoroughly by membrane separator again, material recycle efficiency is high, and the waste gas cleanliness factor that membrane separator is discharged is high, substantially close to the cleanliness factor of fresh air, and containing more heat transfer, get back on the pipeline between air blast and heater and participate in circulation, heat can be made to be fully used, reduce energy consumption, economize energy.Two cyclone separators the pressure that can alleviate membrane separator is set, the blast pipe and blast pipe of membrane separator are equipped with the air mass flow that wind pressure measuring meter can control to enter membrane separator, prevent the damage to membrane separator.
Accompanying drawing explanation
Fig. 1 is the structural representation of energy-saving spray dryer of the present utility model.
Below in conjunction with drawings and Examples, the utility model is further described.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, this energy-saving spray dryer, comprises feed system, air inlet system, drying tower 1, first cyclone separator 2, second cyclone separator 3, membrane separator 4 and air-introduced machine 5;
Described feed system comprises the hopper 6, feeding engine 7 and the atomizer 8 that are connected successively by pipeline, and described atomizer 8 is arranged in drying tower 1;
Described air inlet system comprises the air cleaner 9, air blast 10 and the heater 11 that are connected successively by pipeline, and described heater 11 is connected with the blast pipe of drying tower 1;
Described drying tower 1 also comprises the discharging opening being arranged on bottom and the discharge pipe being arranged on side, described discharge pipe connects the first cyclone separator 2, second cyclone separator 3 and membrane separator 4 successively by pipeline, is equipped with discharging opening bottom described first cyclone separator 2, second cyclone separator 3 and membrane separator 4;
The blast pipe of described membrane separator 4 is connected on the pipeline between air blast 10 and heater 11 by air-introduced machine 5, and the pipeline between wherein said second cyclone separator 3 and membrane separator 4 and the blast pipe of described membrane separator 4 are all equipped with wind pressure measuring meter.
During work, liquefied mass is sent in atomizer and is sprayed by feeding engine from hopper, heating air enter in drying tower with vaporific mixing of materials, material microparticle aqueous evaporates, bulky grain enters bottom drying tower, discharged by discharging opening, granule mixes with air discharges from discharge pipe, enter the first cyclone separator successively, second cyclone separator carries out feed separation, major part material is discharged from discharging opening, air still containing a small amount of material particles enters in membrane separator, in membrane separator, material is thoroughly separated with air, material is discharged from discharging opening, air enters in the pipeline between air blast and heater under the effect of air-introduced machine, again circulation is participated in.This energy-saving spray dryer saves the energy, and material recycle degree is high, is suitable for aridity and requires high valuable material.

Claims (3)

1. an energy-saving spray dryer, comprises feed system, air inlet system, drying tower, the first cyclone separator, the second cyclone separator, membrane separator and air-introduced machine;
Described feed system comprises the hopper, feeding engine and the atomizer that are connected successively by pipeline, and described atomizer is arranged in drying tower;
Described air inlet system comprises the air cleaner, air blast and the heater that are connected successively by pipeline, and described heater is connected with the blast pipe of drying tower;
Described drying tower also comprises the discharging opening being arranged on bottom and the discharge pipe being arranged on side, described discharge pipe connects the first cyclone separator, the second cyclone separator and membrane separator successively by pipeline, is equipped with discharging opening bottom described first cyclone separator, the second cyclone separator and membrane separator;
It is characterized in that: the blast pipe of described membrane separator is connected on the pipeline between air blast and heater by air-introduced machine.
2. energy-saving spray dryer according to claim 1, is characterized in that: the pipeline between described second cyclone separator and membrane separator is equipped with wind pressure measuring meter.
3. energy-saving spray dryer according to claim 1, is characterized in that: the blast pipe of described membrane separator is equipped with wind pressure measuring meter.
CN201520722052.XU 2015-09-17 2015-09-17 Energy -saving spray drier Active CN205042133U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520722052.XU CN205042133U (en) 2015-09-17 2015-09-17 Energy -saving spray drier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520722052.XU CN205042133U (en) 2015-09-17 2015-09-17 Energy -saving spray drier

Publications (1)

Publication Number Publication Date
CN205042133U true CN205042133U (en) 2016-02-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520722052.XU Active CN205042133U (en) 2015-09-17 2015-09-17 Energy -saving spray drier

Country Status (1)

Country Link
CN (1) CN205042133U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106482489A (en) * 2016-12-13 2017-03-08 宜春银锂新能源有限责任公司 A kind of fine work lithium carbonate production drying device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106482489A (en) * 2016-12-13 2017-03-08 宜春银锂新能源有限责任公司 A kind of fine work lithium carbonate production drying device

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