CN101919443B - Absorption type low-temperature drying tower - Google Patents

Absorption type low-temperature drying tower Download PDF

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Publication number
CN101919443B
CN101919443B CN2009102665206A CN200910266520A CN101919443B CN 101919443 B CN101919443 B CN 101919443B CN 2009102665206 A CN2009102665206 A CN 2009102665206A CN 200910266520 A CN200910266520 A CN 200910266520A CN 101919443 B CN101919443 B CN 101919443B
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drying tower
condenser
absorption type
type low
pipeline
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CN101919443A (en
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宋清
杭志奇
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Harbin Kaixin dairy Investment Co., Ltd
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杭志奇
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Abstract

The invention discloses an absorption type low-temperature drying tower, relates to a drying tower, and solves the problem that the drying temperature of the conventional drying tower is over 80 DEG C so as to damage bioactive factors of milk powder. A powder collecting hopper is communicated with the bottom of the drying tower; a discharging valve is arranged at a feed port of the powder collecting hopper; a plurality of cloth bag powder applying devices are uniformly distributed on the upper part of a cavity of the drying tower; and a dual-fluid spray gun is arranged in the middle of the drying tower. The top end of the dual-fluid spray gun is connected with a heater, an air purifier and a peristaltic spray pump through three pipelines; a throttling valve is arranged at an output end of the heater; a vacuum fan is communicated with the drying tower through a pipeline; an input end of a condenser is communicated with the drying tower through a pipeline, and an output end of the condenser is connected with an input end of the heater; an input end of a circulating pump is connected with an air heat exchanger inside the condenser, and an output end of the circulating pump is connected with an air inlet of the condenser; and an automatic drainer is arranged at the bottom of a condenser box body. The absorption type low-temperature drying tower is used for drying milk powder, viable bacteria biological products, and the like.

Description

Absorption type low-temperature drying tower
Technical field
The present invention relates to a kind of drying tower.
Background technology
Existing drying tower is following air draft concurrent drying form; Cyclone separator or cloth bag face powder device is housed outside tower; Its principle is that the dense milk behind the concentration and evaporation gets into high-pressure pump through preheater,, is sprayed into mist droplet and sprays in the tower through the atomizing lance device with the pressure of 12.0---18.0Mpa; Small droplet fully contacts with hot blast at Ta Nei, accomplishes heat exchange and matter exchange in moment, makes the moisture flash evapn of dense material droplet, is dried to powder, and free-falling to the powder tower awl end, dry milk powder draws off from the tower mouth, gets into fluid bed.The shortcoming of this structure be baking temperature up to more than 80 ℃, destroyed the bioactie agent of milk powder.
Summary of the invention
The objective of the invention is to have destroyed the problem of the bioactie agent of milk powder, a kind of absorption type low-temperature drying tower is provided for solving existing drying tower baking temperature up to more than 80 ℃.
The present invention includes drying tower, heater, discharge valve, collection powder bucket, air purifier, wriggling atomizing pump, several cloth bag face powder devices, two-fluid spray gun, circulating pump, condenser, choke valve, vacuum blower and automatic water trap, the bottom of drying tower is a cone, and collection powder bucket is communicated with the bottom of cone; Discharge valve is contained in the charging aperture place of collection powder bucket; Several cloth bag face powder devices are distributed on the top of drying tower inner chamber, and the two-fluid spray gun is arranged on the medium position of drying tower inner chamber, and the top of two-fluid spray gun is connected with heater, air purifier and wriggling atomizing pump through three bye-passes respectively; Choke valve is contained on the output of heater; Vacuum blower is communicated with drying tower through pipeline, and the input of condenser is communicated with drying tower through pipeline, and the output of condenser is connected with the input of heater through pipeline; The input of circulating pump is connected with the interior air heat exchanger of condenser; The circulation delivery side of pump is connected with the air inlet of condenser, and automatic water trap is contained in the bottom of condenser casing, and said drying tower also comprises and moves back saturated air curtain and move back saturated blower fan; Move back saturated air curtain and be contained in the cone place of drying tower, move back saturated blower fan through pipeline with move back saturated air curtain and be connected.
Advantage of the present invention is: one, the present invention controls the vacuum in the drying tower through vacuum blower 6; Make and form negative pressure in the drying tower 1; Utilize circulating pump 2, condenser 3 to remove the moisture in the humid air simultaneously; Make the exchange temperature of material be no more than 60 ℃, the milk powder of under this evaporating temperature, producing has guaranteed the survival of bioactie agent.Two, owing to material low temperature spray drying under high vacuum state, automatic continuous production degree is high.Three, the present invention has increased choke valve 5 and has made local reduction between condenser 3 and the heater 4 in drying tower 1, has improved condensation. and remove fog effect, prevented condensed moisture double evaporation-cooling, improved the evaporability of tower.Four, the present invention compares with existing drying: owing to adopted circulating pump 2, therefore energy-conservation, wink-dry material heated time short, evaporation is pollution-free down, product quality is high airtight for material.Five, the present invention satisfies the thermosensitive products production of withdrawing deposit, the production that is more suitable for using other viable bacteria biological products and infant food fully.
Description of drawings
Fig. 1 is an overall structure front view of the present invention.
The specific embodiment
The specific embodiment one: combine Fig. 1 that this embodiment is described; This embodiment comprises drying tower 1, heater 4, discharge valve 7, collection powder bucket 8, air purifier 12, wriggling atomizing pump 14, several cloth bag face powder devices 17, two-fluid spray gun 18, circulating pump 2, condenser 3, choke valve 5, vacuum blower 6 and automatic water trap 16; The bottom of drying tower 1 is cone 1-1, and collection powder bucket 8 is communicated with the bottom of cone 1-1, and discharge valve 7 is contained in the charging aperture place of collection powder bucket 8; Several cloth bag face powder devices 17 are distributed on the top of drying tower 1 inner chamber; Two-fluid spray gun 18 is arranged on the medium position of drying tower 1 inner chamber, and the top of two-fluid spray gun 18 is connected with heater 4, air purifier 12 and wriggling atomizing pump 14 through three bye-passes respectively, and choke valve 5 is contained on the output of heater 4; Vacuum blower 6 is communicated with drying tower 1 through pipeline; The input of condenser 3 is communicated with drying tower 1 through pipeline, and the output of condenser 3 is connected with the input of heater 4 through pipeline, and the input of circulating pump 2 is connected with condenser 3 interior air heat exchangers; The output of circulating pump 2 is connected with the air inlet of condenser 3, and automatic water trap 16 is contained in the bottom of condenser 3 casings.Circulating pump 2, heater 4, vacuum blower 6, wriggling atomizing pump 14, automatic water trap 16, several cloth bag face powder devices 17 are connected with electric cabinet 15 through lead respectively with two-fluid spray gun 18.The effect of cloth bag face powder device 17 is that micro mist is reclaimed; Effect through vacuum blower 6 is once to accomplish vacuum in the drying tower 1, has reduced evaporating temperature, has saved the energy.Design has realized the continuity of processing milk powder process like this, has stopped the stage of traditional handicraft, significantly reduces the contaminated possibility of product, and production efficiency significantly improves, and can realize large-scale production.Circulating pump 2, condenser 3, heater 4, vacuum blower 6, air purifier 12 are the commercially available prod.
The specific embodiment two: combine Fig. 1 that this embodiment is described; This embodiment and the specific embodiment one are different is that it also increases and moves back saturated air curtain 9 and move back saturated blower fan 11; Move back saturated air curtain 9 and be contained in the cone 1-1 place of drying tower 1, move back saturated blower fan 11 through pipeline with move back saturated air curtain 9 and be connected.Moving back saturated blower fan 11 is connected with electric cabinet 15 through lead respectively.So design has prolonged drying time relatively, avoids material caking, moisture content in the drying tower 1 to exceed standard.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: combine Fig. 1 that this embodiment is described, this embodiment and the specific embodiment one are different is that it also increases thermoregulator 10 is arranged, and thermoregulator 10 is contained in and moves back saturated air curtain 9 and move back on the pipeline between the saturated blower fan 11.Thermoregulator 10 is connected with electric cabinet 15 through lead.Thermoregulator 10 moves back the temperature of saturated air curtain 9 in order to adjusting.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment four: combine Fig. 1 that this embodiment is described, this embodiment and the specific embodiment one are different is that it also increases temperature controller 13 is arranged, and temperature controller 13 passes through pipeline and is connected with air purifier 12.Temperature controller 13 is connected with electric cabinet 15 through lead.Temperature controller 13 is in order to regulate the temperature of air purifier 12.Other composition and annexation are identical with the specific embodiment one.
Operation principle: the dense milk behind the concentration and evaporation gets in the two-fluid spray gun 18 through wriggling atomizing pump 14 and in drying tower 1, dusts; Vacuum blower 6 will be to vacuumizing and control the vacuum in the drying tower 1 in the drying tower 1 simultaneously; Make and form negative pressure in the drying tower 1, this negative pressure makes the material exchange temperature in the drying tower 1 be no more than 60 ℃; Circulating pump 2 is discharged after with the condensate moisture in the humid air in the drying tower 1 through the air heat exchanger in the condenser 3; Dry air after dewatering heater via 4 after condenser 3 air heat exchangers exchange preheating, purification gets in the drying tower 1 again; Formed an airtight EGR like this, made the vacuum in the tower remain at 0.09Mpa.

Claims (3)

1. absorption type low-temperature drying tower; Said absorption type low-temperature drying tower comprises drying tower (1), heater (4), discharge valve (7), collection powder bucket (8), air purifier (12), wriggling atomizing pump (14), several cloth bag face powder device (17) and two-fluid spray guns (18); The bottom of drying tower (1) is cone (1-1); Collection powder bucket (8) is communicated with the bottom of cone (1-1); Discharge valve (7) is contained in the charging aperture place of collection powder bucket (8), and several cloth bag face powder devices (17) are distributed on the top of drying tower (1) inner chamber, and two-fluid spray gun (18) is arranged on the medium position of drying tower (1) inner chamber; The top of two-fluid spray gun (18) is connected with heater (4), air purifier (12) and wriggling atomizing pump (14) through three bye-passes respectively; It is characterized in that: said absorption type low-temperature drying tower also comprises circulating pump (2), condenser (3), choke valve (5), vacuum blower (6) and automatic water trap (16), and choke valve (5) is contained on the output of heater (4), and vacuum blower (6) is communicated with drying tower (1) through pipeline; The input of condenser (3) is communicated with drying tower (1) through pipeline; The output of condenser (3) is connected with the input of heater (4) through pipeline, and the input of circulating pump (2) is connected with the interior air heat exchanger of condenser (3), and the output of circulating pump (2) is connected with the air inlet of condenser (3); Automatic water trap (16) is contained in the bottom of condenser (3) casing; Said absorption type low-temperature drying tower also comprises and moves back saturated air curtain (9) and move back saturated blower fan (11), moves back the cone (1-1) that saturated air curtain (9) is contained in drying tower (1) and locates, move back saturated blower fan (11) through pipeline with move back saturated air curtain (9) and be connected.
2. according to the said absorption type low-temperature drying tower of claim 1, it is characterized in that: said absorption type low-temperature drying tower also comprises thermoregulator (10), and thermoregulator (10) is contained in and moves back saturated air curtain (9) and move back on the pipeline between the saturated blower fan (11).
3. according to the said absorption type low-temperature drying tower of claim 1, it is characterized in that: said absorption type low-temperature drying tower also comprises temperature controller (13), and temperature controller (13) is connected with air purifier (12) through pipeline.
CN2009102665206A 2009-12-31 2009-12-31 Absorption type low-temperature drying tower Active CN101919443B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN101919443B true CN101919443B (en) 2012-06-27

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102350066A (en) * 2011-07-30 2012-02-15 淮北市惠尔普建筑陶瓷有限公司 Efficient energy-saving environmentally-friendly spraying drying tower
CN103564056A (en) * 2012-08-06 2014-02-12 赵维良 Novel camel-milk-powder production device
CN102901336B (en) * 2012-10-29 2014-08-13 杭州才联化工设备有限公司 Fine material drying and absorbing system

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3596699A (en) * 1968-05-06 1971-08-03 Morinaga Nyugryo Kk Apparatus for spray drying milk and the like
US3621902A (en) * 1969-02-01 1971-11-23 Morinaga Milk Industry Co Ltd Apparatus for spray drying milk or the like
US3802090A (en) * 1971-07-22 1974-04-09 Jeumont Schneider Process and installation for drying fibrous cellulose materials
CN1036911A (en) * 1987-04-27 1989-11-08 大川原化工机株式会社 Spray-drying, facility for granulating
CN1047265A (en) * 1989-05-18 1990-11-28 奥林公司 Produce the modifying device of instant granulated product
CN2342338Y (en) * 1998-08-14 1999-10-06 王志峰 Energy saving, dust removing,spraying and drying device
CN2450904Y (en) * 2000-11-07 2001-10-03 河南省莲花味精集团有限公司技术中心 Corn pulp atomization drying apparatus
CN101196365A (en) * 2006-12-06 2008-06-11 中国石油天然气股份有限公司 Drying process and equipment for powdered urea formaldehyde condensate
CN201585382U (en) * 2009-12-31 2010-09-22 杭志奇 Absorption low-temperature drying tower

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3596699A (en) * 1968-05-06 1971-08-03 Morinaga Nyugryo Kk Apparatus for spray drying milk and the like
US3621902A (en) * 1969-02-01 1971-11-23 Morinaga Milk Industry Co Ltd Apparatus for spray drying milk or the like
US3802090A (en) * 1971-07-22 1974-04-09 Jeumont Schneider Process and installation for drying fibrous cellulose materials
CN1036911A (en) * 1987-04-27 1989-11-08 大川原化工机株式会社 Spray-drying, facility for granulating
CN1047265A (en) * 1989-05-18 1990-11-28 奥林公司 Produce the modifying device of instant granulated product
CN2342338Y (en) * 1998-08-14 1999-10-06 王志峰 Energy saving, dust removing,spraying and drying device
CN2450904Y (en) * 2000-11-07 2001-10-03 河南省莲花味精集团有限公司技术中心 Corn pulp atomization drying apparatus
CN101196365A (en) * 2006-12-06 2008-06-11 中国石油天然气股份有限公司 Drying process and equipment for powdered urea formaldehyde condensate
CN201585382U (en) * 2009-12-31 2010-09-22 杭志奇 Absorption low-temperature drying tower

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2004-82005A 2004.03.18

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Effective date of registration: 20140401

Address after: 150069 Sanjiang Road, Heilongjiang city of Harbin Province on haping Road Development Zone No. 8

Patentee after: HEILONGJIANG DASANYUAN DAIRY MACHINERY CO., LTD.

Address before: 150069 Sanjiang Road, Heilongjiang city of Harbin Province on haping Road Development Zone No. 8

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Assignee: Harbin times CISCO automation equipment Co., Ltd.

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Denomination of invention: Absorption type low-temperature drying tower

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Address before: 150069 Sanjiang Road, Heilongjiang city of Harbin Province on haping Road Development Zone No. 8

Patentee before: HEILONGJIANG DASANYUAN DAIRY MACHINERY Co.,Ltd.