WO2019219040A1 - Appareil de séchage sous vide - Google Patents

Appareil de séchage sous vide Download PDF

Info

Publication number
WO2019219040A1
WO2019219040A1 PCT/CN2019/087120 CN2019087120W WO2019219040A1 WO 2019219040 A1 WO2019219040 A1 WO 2019219040A1 CN 2019087120 W CN2019087120 W CN 2019087120W WO 2019219040 A1 WO2019219040 A1 WO 2019219040A1
Authority
WO
WIPO (PCT)
Prior art keywords
drying
tank
vacuum
drying tank
heat recovery
Prior art date
Application number
PCT/CN2019/087120
Other languages
English (en)
Chinese (zh)
Inventor
周本留
白树生
许德运
Original Assignee
山东名流餐处装备股份有限公司
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 山东名流餐处装备股份有限公司 filed Critical 山东名流餐处装备股份有限公司
Publication of WO2019219040A1 publication Critical patent/WO2019219040A1/fr

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
    • F26B11/16—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a vertical or steeply-inclined plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/04—Heating arrangements using electric heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/04—Agitating, stirring, or scraping devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse 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

Definitions

  • the utility model relates to the technical field of environmental protection equipment, in particular to a vacuum drying device.
  • the existing vacuum drying device generally comprises a fermentation tank and a stirring shaft, and the stirring shaft is provided with a stirring blade, and the two ends of the stirring shaft are fixedly connected with the fermentation tank through the bearing and the bearing seat respectively, wherein the fermentation tank is composed of the inner layer, The intermediate layer and the outer layer are formed, and a heat conducting oil is disposed between the intermediate layer and the outer layer, and an electric adding component is arranged on the bottom surface between the intermediate layer and the inner layer, and the intermediate layer is fixedly connected with the inner layer via the strut, the intermediate layer and the outer layer
  • a temperature sensor in the interlayer the top surface of the fermentation tank is provided with a feeding port, a feeding port and an exhaust port, the lower part of the side is provided with a discharging port, an automatic closing device is arranged on the feeding port, and a sealing door is arranged on the inoculating port.
  • the discharge port is provided with a discharge door
  • the automatic door closing device comprises a feeding door, an electric push rod, an electric push rod bracket, a positioning frame, a connecting rod, a guide rod, a right angle bending plate, a sealing pad, a hinge shaft, a positioning sleeve and
  • the hinge shaft and the feeding door are arranged in the fermentation tank, the feeding door corresponds to the feeding port, the upper end of the feeding door is provided with a sealing pad, the lower end is fixedly connected with the right angle bending plate, and the two ends of the feeding door are respectively hinged Hinged to the positioning frame, the positioning frame is fixed in the fermentation
  • an electric push rod bracket is fixed on the top surface of the fermenting tank corresponding to the positioning frame, the upper end of the electric push rod is fixedly connected with the electric push rod bracket, the lower end is fixedly connected with the guide rod, and the guide rod passes through the electric push rod bracket and the fermentation tank.
  • the lower end of the hole provided on the positioning frame is hinged with the connecting rod, and the other end of the connecting rod is hinged with the other end of the right angle curved plate.
  • the disadvantages are as follows: 1. When the equipment needs maintenance, since the drying tank and the sorting cylinder are all integral, the shaft and the drying tank, or the shaft and the sorting cylinder need to be separated by special equipment, which is very troublesome and time consuming.
  • the drying temperature is usually more than 140 degrees due to drying under reduced pressure. Not only does it generate a large amount of high-temperature steam, but also needs to be treated by an ionization deodorizing device.
  • the drying time is long and the energy consumption is high.
  • the steam is emitted to the outside, and because the temperature is too high, all the nutrients such as beneficial bacteria and protein contained in the kitchen waste are destroyed, and the nutrients such as protein contained in the kitchen waste are partially destroyed.
  • the utility model aims to solve the deficiencies of the prior art, and provides a vacuum drying device with novel structure, short processing time, low power consumption, environmental protection and odorless gas discharge, and high operational stability of the device.
  • a vacuum drying device comprising a drying tank, a stirring shaft and a stirring motor, wherein the drying tank is composed of a lower middle slotted body and an upper middle slotted body, and the lower middle slotted body is sealed by a ring and
  • the fixing bolt is fixedly and sealingly connected with the upper middle slotted body, wherein the lower middle slotted body is provided with a hollow inner cavity, wherein the hollow inner cavity is provided with an electric heating device and a heat conducting medium, and the electric heating device is controlled by a control system.
  • the heat transfer medium is in communication with the vacuum waste heat recovery device to facilitate installation and maintenance.
  • the utility model can be provided with a sealing card slot on the circumference of the end face of the lower middle slotted body, and the sealing ring is positioned through the sealing card slot to achieve the quick installation effect.
  • the utility model can also be provided with a vacuum sealing device, which comprises an electric ball valve, a vacuum pump, a waste heat recovery device and a PLC controller.
  • the electric ball valve is connected with the feeding port of the drying tank, and the steam outlet of the drying tank passes through the waste heat recovery device and
  • the vacuum pump is connected, the electric ball valve, the waste heat recovery device and the vacuum pump are respectively connected with the PLC controller, and a vacuum negative pressure is formed in the drying tank by the operation of the vacuum pump, so that the pressure during the drying process is maintained at -0.081 to -0.099 MPa, not only It can kill the harmful bacteria in the kitchen waste which is fermented and dried in the drying tank, and retain the protein, cellulose and other nutrients beneficial to the livestock, so that the granules of the kitchen waste after fermentation drying meet the requirements of the Animal Husbandry Law.
  • the negative pressure reduces the boiling point of the water in the material, and the temperature in the drying tank is about 50-65 ° C, the water in the material can boil, without heating the material to 100 ° C, thereby greatly shortening the drying Time energy consumption; at the same time, through the waste heat recovery device, the odorous steam generated during the drying process is condensed to make the odor molecules Solutions of the condensed water discharged to the sewage treatment system, to avoid odors.
  • the stirring shaft, the stirring rod and the spiral blade in the drying tank of the utility model respectively adopt a structure in which a hollow phase communicates, and one end of the stirring shaft is provided with a rotary joint, and an inlet pipe is arranged in the inner cavity of the stirring shaft, and the inlet
  • the water pipe and the inner wall of the stirring shaft are provided with a return water gap, one end of the water inlet pipe is connected to the water tank via a rotary joint, and the other end is closed, and the side wall of the water inlet pipe is connected to the inner cavity of the spiral blade through the water pipe of the stirring rod through the water pipe
  • the spiral blade is provided with a water return hole, so that the water flows back through the return hole into the return water gap between the inlet pipe and the stirring shaft of the stirring shaft and flows back into the water tank, so as to facilitate absorption by the vacuum waste heat recovery device.
  • the heat energy is transmitted to the stirring shaft and the stirring blade, and then the positive pressure heat in the hollow structure of the stirring shaft, the stirring blade repeatedly stirs and heats the material, and the tank interlayer heats the negative pressure of the material at a low pressure, which not only accelerates the tank body significantly.
  • the drying rate of the material and also significantly saves energy consumption.
  • the utility model has the advantages of novel structure, stable operation, convenient replacement, high work efficiency and long service life due to adopting the above structure.
  • 1 is a schematic exploded view of the utility model.
  • Figure 2 is a schematic view of the structure of the present invention.
  • Figure 3 is a plan view of Figure 2.
  • a vacuum drying device includes a drying tank 11, a stirring shaft 12, and a stirring motor 14.
  • the stirring shaft 12 is provided with a stirring blade 16, and the two ends of the stirring shaft 12 are fixedly connected to the drying tank 11 through a bearing and a bearing housing, respectively.
  • the shaft 12 is connected to the agitating motor 14, a heating element is arranged in the interlayer between the inner layer and the outer layer of the drying tank 11, a temperature sensor is arranged on the outer layer, and a discharging port is arranged in the lower part of the drying tank 11, and the discharging is provided.
  • the outlet is provided with a discharge sealing door, characterized in that: the drying tank is composed of a lower middle slotted body and an upper middle slotted body, and the lower middle slotted body is sealed by a sealing ring and a fixing bolt and an upper middle slotted body a fixed sealing connection, the lower middle slotted body is provided with a hollow inner cavity, wherein the hollow inner cavity is provided with an electric heating device and a heat conducting medium, and the electric heating device is controlled by a control system, and the heat conducting medium and vacuum waste heat are recovered The devices are connected to facilitate installation and maintenance.
  • the utility model can be provided with a sealing card slot on the circumference of the end face of the lower middle slotted body, and the sealing ring is positioned through the sealing card slot to achieve the quick installation effect.
  • the utility model can also be provided with a vacuum sealing device, which comprises an electric ball valve 10, a vacuum pump 9, a waste heat recovery device and a PLC controller, and the electric ball valve 10 is connected with the feeding port of the drying tank 11, and the steam outlet of the drying tank 11
  • the waste heat recovery device is connected to the vacuum pump 9, and the electric ball valve 10, the waste heat recovery device and the vacuum pump 9 are respectively connected to the PLC controller, and a vacuum negative pressure is formed in the drying tank by the operation of the vacuum pump 9, so that the pressure during the drying process is maintained.
  • the PLC controller instructs the heating element to stop heating, without heating the material to 100 ° C, thus greatly reducing the energy consumption of drying time;
  • the waste heat recovery device Through the waste heat recovery device, the odor-laden steam generated in the drying process is condensed, and the odor molecules are dissolved in the condensed water and discharged into the sewage treatment system, thereby avoiding the generation of odor.
  • the stirring shaft 12, the stirring rod 17 and the spiral blade 16 in the drying tank 11 of the present invention respectively adopt a structure in which a hollow phase communicates, and one end of the stirring shaft 12 is provided with a rotary joint, and the center of the inner cavity of the stirring shaft 12 is provided.
  • the inlet pipe, the inlet pipe and the inner wall of the agitating shaft 12 are provided with a return water gap, one end of the inlet pipe is connected to the water tank via a swivel joint, the other end is closed, and the side wall of the inlet pipe passes through the water distribution pipe through the stirring rod
  • the cavity is in communication with the inner cavity of the spiral blade 16, and the spiral blade 16 is provided with a water return hole, so that the water flows back through the return hole into the return water gap between the inlet pipe and the stirring shaft of the stirring shaft and flows back into the water tank.
  • the vacuum waste heat recovery device of the present invention may adopt a heat pump technology, that is, it includes a refrigeration unit 56 and a refrigeration unit II 57.
  • the refrigeration unit includes a compressor 58, a condenser 59, an expansion valve 60, and a surface cooler 61.
  • the steam outlet of the drying tank 11 is sequentially connected to the air cooler 61 of the refrigeration unit 56 and the air cooler 61 of the refrigeration unit 257 and the vacuum pump 9 via the steam filter 30, so that the waste heat recovery process is at -0.081 to 0.099 MPa.
  • the condenser 59 of the refrigeration unit (57) is connected to the flushing water tank 21 through a water pump; the condenser 59 of the refrigeration unit 56 may be disposed in the interlayer, or the condenser 59 may be disposed outside the drying tank through heat exchange.
  • the circulation line communicates with the condenser 59 to facilitate absorption of the heat energy of the steam in the drying tank 11 by the vacuum waste heat recovery device 8, and the heat energy of the steam is transferred to the drying tank interlayer through the condenser 59, and is disposed in the drying tank 11
  • the material is dried, on the other hand, the heat energy is transferred to the flushing water tank, and the kitchen waste is washed by the salt-reducing and fat-reducing device 1, which not only realizes waste heat recovery, but also significantly saves Consumption, reduce the heating time.
  • the PLC controller opens the electric ball valve, the material enters into the drying tank, and then the electric ball valve is closed, and the PLC controller instructs the stirring motor to move, and drives the stirring shaft in the drying tank to stir and dry the material during the drying process.
  • the electric heating element of the drying tank interlayer is firstly electrically heated by the PLC controller. When the temperature in the drying tank rises to 80 degrees Celsius, the electric heating is stopped, and the PLC controller starts the vacuum pump to start vacuuming the drying tank.
  • the compressor heating cable stops, the compressor starts to enter the drying stage, and at the same time, the PLC controller instructs the waste heat recovery device 5 to operate, and the waste heat recovery device 5 dries the material in the drying device 4.
  • the steam generated in the process is heat exchanged, the steam is condensed to form a heat of the liquid waste heat recovery device.
  • the heat of the steam is recovered by the waste heat recovery device to produce hot water of 50-120 ° C, wherein 50-120 ° C of hot water is transferred to the drying tank.
  • the material in the drying tank is added through the drying tank and the stirring shaft and the stirring blade.
  • the hot water of 50-70 °C is washed by the desalting and degreasing device 1; during the heating process, the spiral blade on the stirring shaft is paste-like
  • the kitchen waste is fully stirred to avoid uneven mixing of the kitchen waste in the drying tank and affect the dry quality.
  • the pressure in the drying tank is kept at -0.081 ⁇ -0.099MPa during the drying process, so that the boiling point in the drying tank is It can be boiled at 50-65 °C without heating to 100 °C, which not only accelerates the drying speed of the material in the tank, shortens the drying time, but also saves energy consumption.
  • the temperature is recovered by the vacuum waste heat recovery device. After the temperature is lowered, the condensed water with odor turned into a liquid state is discharged to a vacuum pump circulating water tank through a vacuum pump, and finally discharged into the sewage treatment system.
  • the utility model has the advantages of novel structure, stable operation, convenient replacement, high work efficiency and long service life due to adopting the above structure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Drying Of Solid Materials (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

L'invention concerne un appareil de séchage sous vide, comprenant un réservoir de séchage (11), des arbres d'agitation (12) et un moteur d'agitation (14). Des pales d'agitation (16) sont disposées sur les arbres d'agitation (12). Les deux extrémités des arbres d'agitation (12) sont reliées séparément et de manière fixe au réservoir de séchage (11) au moyen de paliers et de sièges de palier, et les arbres d'agitation (12) sont reliés au moteur d'agitation (14). Un élément chauffant est disposé à l'intérieur d'une couche intermédiaire entre une couche interne et une couche externe du réservoir de séchage (11). Le réservoir de séchage (11) est constitué d'un corps de réservoir inférieur à séparation centrale et d'un corps de réservoir supérieur à séparation centrale, lesdits corps de réservoir inférieur et supérieur étant scellés et reliés de manière fixe au moyen d'un anneau d'étanchéité et de boulons de fixation. Une cavité creuse est disposée à l'intérieur du corps de réservoir inférieur à séparation centrale, la cavité creuse étant pourvue d'un dispositif de chauffage électrique et d'un fluide conducteur de chaleur. Le dispositif de chauffage électrique est commandé par un système de commande, et le fluide conducteur de chaleur est en communication avec un appareil de récupération de chaleur perdue sous vide. L'appareil de séchage sous vide selon la présente invention présente une structure nouvelle, un fonctionnement stable, un remplacement pratique, une efficacité de travail élevée et une longue durée de vie.
PCT/CN2019/087120 2018-05-15 2019-05-15 Appareil de séchage sous vide WO2019219040A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201820721885.8U CN208186984U (zh) 2018-05-15 2018-05-15 真空干燥装置
CN201820721885.8 2018-05-15

Publications (1)

Publication Number Publication Date
WO2019219040A1 true WO2019219040A1 (fr) 2019-11-21

Family

ID=64430573

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/087120 WO2019219040A1 (fr) 2018-05-15 2019-05-15 Appareil de séchage sous vide

Country Status (2)

Country Link
CN (1) CN208186984U (fr)
WO (1) WO2019219040A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208186984U (zh) * 2018-05-15 2018-12-04 山东名流餐处装备股份有限公司 真空干燥装置

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2039402U (zh) * 1988-11-04 1989-06-14 上海华元干燥技术工程公司 板式加热搅拌干燥器
JP2001153556A (ja) * 1999-11-30 2001-06-08 Agurikkusu:Kk 真空乾燥装置
CN2871544Y (zh) * 2006-01-17 2007-02-21 微聚科技股份有限公司 粉粒剂接菌干燥浓缩装置
CN202195666U (zh) * 2011-08-18 2012-04-18 王贵孝 卧式圆筒双螺旋耙式真空干燥机
CN204268814U (zh) * 2014-09-16 2015-04-15 湖南启天环保科技有限公司 一种新型真空干燥装置
CN205014756U (zh) * 2015-09-07 2016-02-03 安徽纽曼精细化工有限公司 一种耙式真空干燥机
CN205425698U (zh) * 2016-02-29 2016-08-03 浙江诚信医化设备有限公司 一种真空干燥机
CN206751757U (zh) * 2017-03-21 2017-12-15 郑州恒博科技股份有限公司 一种含油硅藻土的间歇式提油设备
CN208186984U (zh) * 2018-05-15 2018-12-04 山东名流餐处装备股份有限公司 真空干燥装置
CN208466828U (zh) * 2018-05-15 2019-02-05 山东名流餐处装备股份有限公司 餐厨废弃物处理装置
CN109485466A (zh) * 2018-05-15 2019-03-19 山东名流餐处装备股份有限公司 餐厨废弃物处理方法及处理装置

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2039402U (zh) * 1988-11-04 1989-06-14 上海华元干燥技术工程公司 板式加热搅拌干燥器
JP2001153556A (ja) * 1999-11-30 2001-06-08 Agurikkusu:Kk 真空乾燥装置
CN2871544Y (zh) * 2006-01-17 2007-02-21 微聚科技股份有限公司 粉粒剂接菌干燥浓缩装置
CN202195666U (zh) * 2011-08-18 2012-04-18 王贵孝 卧式圆筒双螺旋耙式真空干燥机
CN204268814U (zh) * 2014-09-16 2015-04-15 湖南启天环保科技有限公司 一种新型真空干燥装置
CN205014756U (zh) * 2015-09-07 2016-02-03 安徽纽曼精细化工有限公司 一种耙式真空干燥机
CN205425698U (zh) * 2016-02-29 2016-08-03 浙江诚信医化设备有限公司 一种真空干燥机
CN206751757U (zh) * 2017-03-21 2017-12-15 郑州恒博科技股份有限公司 一种含油硅藻土的间歇式提油设备
CN208186984U (zh) * 2018-05-15 2018-12-04 山东名流餐处装备股份有限公司 真空干燥装置
CN208466828U (zh) * 2018-05-15 2019-02-05 山东名流餐处装备股份有限公司 餐厨废弃物处理装置
CN109485466A (zh) * 2018-05-15 2019-03-19 山东名流餐处装备股份有限公司 餐厨废弃物处理方法及处理装置

Also Published As

Publication number Publication date
CN208186984U (zh) 2018-12-04

Similar Documents

Publication Publication Date Title
WO2016061846A1 (fr) Réacteur de fermentation aérobie de type à prise d'air et fond incliné et procédé de réaction de fermentation aérobie
CN109055193B (zh) 一种内置可换热螺旋叶片的倾斜滚筒式真空固态发酵罐
CN204454911U (zh) 斜置底部进气式好氧发酵反应器
CN208684745U (zh) 一种污泥干化装置
CN205393169U (zh) 一种畜禽无害化处理用化制机
WO2019219040A1 (fr) Appareil de séchage sous vide
CN106422849A (zh) 一种用于涂料的加热、搅拌装置及其操作方法
CN203715524U (zh) 一种带有减压系统的固体发酵罐
CN206126887U (zh) 大规模生产活毒废水处理系统冷热能交换节能装置
CN110698007B (zh) 畜禽粪便两级组合连续杀菌、除臭及深度脱水处理工艺
CN111499140A (zh) 一种多级加热好氧发酵装置
CN111822487B (zh) 一种智能生物质废弃物降解设备
CN205874434U (zh) 一种干法厌氧发酵装置
CN212451109U (zh) 一种多级加热好氧发酵装置
CN209507972U (zh) 一种用于处理固废的装置
CN220697316U (zh) 一种蒸汽加热的熬胶锅
CN208266018U (zh) 一种污泥浓缩压榨一体化压干机
CN113444635A (zh) 一种酶解鱼溶浆加工装置
CN221028455U (zh) 一种生物发酵用温控装置
CN208144350U (zh) 一种茶叶杀青装置
CN201768397U (zh) 可多种供能的连续逆流浸出装置
CN220417921U (zh) 一种自动下料的木瓜渣干燥设备
KR200393891Y1 (ko) 유기질 폐기물의 고온 살균 건조 처리장치
CN220812176U (zh) 一种污泥干化设备
CN220160888U (zh) 一种微生物马桶水浴加热装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19803800

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19803800

Country of ref document: EP

Kind code of ref document: A1