CN106643083A - Solar energy and heat pump composite drying method of aloe leaves - Google Patents
Solar energy and heat pump composite drying method of aloe leaves Download PDFInfo
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- CN106643083A CN106643083A CN201611167460.9A CN201611167460A CN106643083A CN 106643083 A CN106643083 A CN 106643083A CN 201611167460 A CN201611167460 A CN 201611167460A CN 106643083 A CN106643083 A CN 106643083A
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- 241001116389 Aloe Species 0.000 title claims abstract description 182
- 235000011399 aloe vera Nutrition 0.000 title claims abstract description 182
- 238000001035 drying Methods 0.000 title claims abstract description 115
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 239000012065 filter cake Substances 0.000 claims abstract description 81
- 238000000034 method Methods 0.000 claims abstract description 31
- 230000008569 process Effects 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims description 29
- 238000005119 centrifugation Methods 0.000 claims description 20
- 235000011389 fruit/vegetable juice Nutrition 0.000 claims description 19
- 239000011521 glass Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 14
- 239000000706 filtrate Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 238000007791 dehumidification Methods 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 4
- 239000002537 cosmetic Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 11
- 239000002932 luster Substances 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000050 nutritive effect Effects 0.000 abstract description 3
- 238000000227 grinding Methods 0.000 abstract description 2
- 238000007781 pre-processing Methods 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 235000014676 Phragmites communis Nutrition 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 210000000170 cell membrane Anatomy 0.000 description 3
- 238000004108 freeze drying Methods 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 238000000643 oven drying Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 206010010774 Constipation Diseases 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010068319 Oropharyngeal pain Diseases 0.000 description 1
- 201000007100 Pharyngitis Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000975 bioactive effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 239000000469 ethanolic extract Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 208000019423 liver disease Diseases 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000021049 nutrient content Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 208000003265 stomatitis Diseases 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B1/00—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids
- F26B1/005—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids by means of disintegrating, e.g. crushing, shredding, milling the materials to be dried
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
- F26B3/283—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun in combination with convection
- F26B3/286—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun in combination with convection by solar radiation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Sustainable Development (AREA)
- Toxicology (AREA)
- Microbiology (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
A solar energy and heat pump composite drying method of aloe leaves comprises the following step: cleaning raw materials, extracting pulps, collecting aloe leaves, grinding aloe leaves, screwing and extruding, centrifuging, filter-pressing to form a filter cake, drying in solar energy, drying through tunnel type heat pump dry line, drying in a heat pump drying room and encapsulating. In the preliminary phase, by means of pressing, centrifuging, filter-pressing and other preprocessing steps and by the adoption of solar energy, the percentage of moisture in the filter cake is reduced to 40% to 42%, and thus pressure in the process of the heat pump drying and energy consumption are reduced. On the tunnel type heat pump dry line, the transmission speed of a mesh belt is relatively slow and the drying rates of aloe-leafed filter cakes in different positions are more consistent. In the heat pump drying room, by controlling a lifting mechanism on a mesh-belt holder, lower mesh belts moves in circles toward upper mesh belts every 10 minutes to reduce the temperature difference between the upper and lower mesh belts and realize uniform drying of aloe-leafed filter cakes. The solar energy and heat pump composite drying method of aloe leaves has the advantages of low energy consumption, and good preservation of color and luster and nutritive value of aloe leaves.
Description
Technical field
The present invention relates to agricultural byproducts processing field, and in particular to one kind utilizes solar energy, heat pump composite drying aloe skin
Method.
Background technology
Aloe be it is a kind of integrate medicine, skin care, health care, make-up and beauty, the edible and multi-functional plant viewed and admired, contain
Abundant bioactive vitamin and trace element, have functions that removing heat from the lung and relieving sorethroat, toxin-expelling and face nourishing, to constipation, stomatitis, esophagus
Various common diseases such as inflammation, stomach trouble, hypertension, diabetes, hepatopathy have special curative effect, by its obtained added value of product
Height, all has extensive market prospects in fields such as medical treatment, food, chemical industry.The main utilization part of the converted products of aloe is
Aloe juice and mesophyll, aloe skin major part is discarded, and often have ignored the Development volue of aloe skin, relative to aloe mesophyll
Tissue, aloe skin is equally with very high nutritive value, or even some active components contained in it are more taller than mesophyll tissue,
With the continuous development of aloe processing industry, the comprehensive utilization of aloe skin also gradually grows up.
At present the processing method of aloe skin mainly by by aloe skin through crushing, ethanol extract, filter, after enzymolysis,
Gained filtrate is carried out into freeze-drying, ultramicro grinding and makes aloe skin freeze-dried powder, the method high cost, investment are big, are not suitable for big
Large-scale production, in addition, the drying means of aloe skin also has electric dry oven drying, microwave drying etc., but finds in use, electricity
There is the ill effects such as uneven drying, color and luster are partially yellow, nutrition leak is serious in oven drying, microwave drying then exist energy consumption it is big,
Temperature is wayward, uneven drying the shortcomings of, therefore be badly in need of providing one kind and be easy to that mass production, energy consumption be little, nutrient content
It is lost in little drying means.
The content of the invention
To solve above-mentioned technical problem, the invention provides a kind of utilization solar energy, the side of heat pump composite drying aloe skin
Method, the method process is simple, and saving energy consumption, while various aloe leathercrafts can be processed.
The technical solution adopted in the present invention is：
A kind of method of utilization solar energy, heat pump composite drying aloe skin, comprises the following steps：
（1）First aloe raw material is cleaned up with cleaning machine, after taking aloe pulp, at the beginning of collecting remaining aloe skin, aloe skin
Beginning moisture content is 96 ~ 98%；
（2）By step（1）In aloe skin be broken into the sheet of 1 ~ 2cm, the moisture content of the broken aloe skin of gained is 92 ~ 94%；
（3）By step（2）In broken aloe skin with feeder send into screw extruder, once extruded, in extrusion process receive
The juice of collection extrusion is standby, and the moisture content of aloe skin is 88 ~ 90% after once extruding；
（4）By step（3）Aloe skin after middle extruding sends into continuous centrifugal machine, makes under the influence of centrifugal force inside aloe skin
Solid-liquid in tissue and adjacent aloe skin space is completely separated, and centrifugation built-in temperature is 40 ~ 45 DEG C, and the rotating speed of rotor is 3500 ~
5000r/min, collection gained filtrate is standby after the completion of centrifugation, and into next step process, the moisture content of filter residue is 84 ~ 86% to filter residue；
（5）By step（4）Aloe skin filter residue after middle centrifugation is re-fed into belt filter press, carries out secondary extrusion, arranges belt pressure
The pressure of filter is 0.3 ~ 0.5MPa, is fully extruded the moisture in filter residue under high pressure effect, while filter residue is pressed into filter
Cake, the juice for collecting extrusion is standby, and the moisture content of gained aloe skin filter cake is 76 ~ 78% after secondary extrusion；
（6）By step（5）The aloe skin filter cake of middle gained sends into glass and dries room, is placed on guipure and is done using solar energy
It is dry, the stirring mechanism that guipure top is arranged is started in dry run, the drying effect for making aloe skin filter cake is more uniformly distributed, and glass dries in the air
It is 2 ~ 4 layers to shine the guipure number of plies used in room, guipure 2 ~ 2.5m of width, and the thickness for laying filter cake is 1 ~ 2cm, and baking temperature is
60 ~ 65 DEG C, dewatering efficiency is 195 ~ 200kg/h, and the moisture content of aloe skin filter cake is 40 ~ 42% after drying process；
（7）By step（6）Aloe skin filter cake after middle drying sends into tunnel type heat pump drying line, is placed on guipure and is continuously done
Dry, the transmission speed for using guipure is 0.5 ~ 1m/min, and the number of plies is 2 ~ 4 layers, and guipure 2 ~ 2.5m of width lays the thickness of filter cake
For 4 ~ 5cm, baking temperature is 80 ~ 85 DEG C, and dewatering efficiency is 270 ~ 275kg/h, after being dried the moisture content of aloe skin filter cake be 20 ~
22%；
（8）By step（7）In aloe skin filter cake send into heat pump drying room, be placed on Multilayer Network band and be further dried, baking room
The interior setting guipure number of plies is more, there is 5 ~ 10 DEG C of the temperature difference between levels, and the liter in mesh belt support is controlled in dry run
Descending mechanism, makes lower net band every 10min to upper strata loopy moving, realizes the uniform drying of aloe skin filter cake, heat pump drying room
Interior the used guipure number of plies is 15 ~ 17 layers, guipure 2 ~ 2.5m of width, and the thickness for laying filter cake is 4 ~ 5cm, and baking temperature is 70
~ 75 DEG C, the dewatering efficiency of aloe skin filter cake is 60 ~ 65kg/h, and the moisture content of aloe skin filter cake is 4 ~ 5% after being dried.
Preferably, step（6）Described glass dries room Nei Shesige areas, and first, secondth area is with ventilation drying
Based on, multiple wet-emitting blowers are provided with, drying and processing is carried out by using the heat of solar energy, the three, the 4th areas are with thermal dehydration
Based on, auxiliary is provided with drying dehumidification machine and wet-emitting blower carries out drying and processing.
Preferably, step（7）Described tunnel type heat pump drying line and step（8）In described heat pump drying room
It is provided with dehumidifier.
Preferably, by step（7）Middle gained moisture content is packaged for 20 ~ 22% aloe skin filter cake, can by
Fuel obtained in aloe skin.
Preferably, by step（8）Middle gained moisture content is packaged for 4 ~ 5% aloe skin filter cake, can obtain by reed
Feed obtained in luxuriant growth skin.
Preferably, by step（3）~（5）The aloe juice of middle collection or filtrate carry out purification by liquid extraction, can make up
Product auxiliary material.
The invention has the beneficial effects as follows：
The present invention is comprehensively utilized for the skin slag that aloe is rejected after pulp, by solar energy skin slag is done with reference to heat pump
Dry, method is simple, energy-conservation, and its advantage is embodied in：
（1）Pre-treatment step eliminates substantial amounts of moisture, reduces the pressure of follow-up dry run：The present invention is dried in aloe skin
First crushed before, screw extrusion, centrifugation and press filtration, the moisture in aloe skin is reduced into 76 ~ 78%, from economical and practical
For angle, without squeezing, directly drying can cause that equipment investment is too high, power load is excessive, direct energy source expense to aloe skin
It is higher, by the present invention in that carrying out press filtration to aloe skin with screw extruder and filter press, squeeze out the big portion in aloe skin
Divide juice, be follow-up dry run save energy, while the juice for squeezing out can be used to prepare cosmetic, not only save
Energy consumption, and do not waste raw material；
（2）The utilization of solar energy saves the energy consumption in dry run：The present invention dries room and aloe skin is carried out just using glass
Its moisture is reduced to 40 ~ 42% by step drying, and by function one, two, three, four areas are designed to, and first, secondth area is removed with divulging information
Based on wet, the heat of solar energy is made full use of, do not install heat power supply device additional, the three, the 4th areas are provided with drying based on thermal dehydration
Dehumidifier, improves drying efficiency, and what is mainly utilized due to the dry run is solar energy, can save one for whole process big
Part electric energy；
（3）The present invention carries out main drying and processing using heat pump to aloe skin, waits adverse weather for overcast and rainy, it is impossible to make full use of
Solar energy, now heat pump drying become the important step in whole process, heat pump be it is a kind of absorb heat from low-temperature heat source,
And the heat energy apparatus that it is used at relatively high temperatures as effective heat energy are made, it is dried relative to other electric dry ovens, microwave is done
For the methods such as dry, freeze-drying, vacuum drying, have the advantage that：First, it is easy to continuous prodution, treating capacity is big, the thermal efficiency
Height, two, cost of investment it is low, energy consumption is little, three, heat pump drying temperature it is low, do not result in nutriment in aloe and be lost in or rotten,
And can preferably keep the original color of aloe skin；
（4）The drying effect of the present invention is evenly：First, machine of stirring is set above guipure in glass drying room dry run
Structure, by constantly stirring, accelerates the rate of water loss of filter cake, while the drying effect for making filter cake is more uniformly distributed；2nd, heat pump drying
Using tunnel type heat pump drying line and the joint drying of heat pump drying room, tunnel type heat pump drying line is continous way, by guipure
Slow transmission, is more uniformly distributed the heat radiation that aloe skin filter cake is received, and the rate of drying on diverse location is more consistent, in heat
It is more due to arranging the guipure number of plies in pump baking room, there is 5 ~ 10 DEG C of the temperature difference between levels, therefore in mesh belt support
Elevating mechanism is set, makes lower net band every 10min to upper strata loopy moving, realize the uniform drying of aloe skin filter cake, obtain
Moisture content is consistent, the finished product of uniform color.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the enforcement of the present invention
Example is clearly and completely described to technical scheme.
Embodiment 1
A kind of method of utilization solar energy, heat pump composite drying aloe skin, comprises the following steps：
（1）Existing aloe raw material 10t, first cleans up aloe raw material with cleaning machine, after taking aloe pulp, collects remaining reed
Luxuriant growth skin, its weight is 5.5t, and initial aqueous rate is 96%；
（2）By step（1）In aloe skin be put into disintegrating machine, be broken into the sheet of 1cm, it is broken after the weight of aloe skin be
5.28t, the moisture content of the broken aloe skin of gained is 92%；
（3）By step（2）In broken aloe skin with feeder send into screw extruder, once extruded, in extrusion process receive
The juice of collection extrusion is standby, and the weight of aloe skin is 5.06t after once extruding, and moisture content is 88%；
（4）By step（3）Aloe skin after middle extruding sends into continuous centrifugal machine, the aloe skin particle agglomeration after screw extrusion
Together, still storing between adjacent particle has large quantity of moisture and juice, and under the high speed turning effort of centrifugal force aloe intracutaneous can be made
Solid-liquid in portion's tissue and adjacent aloe skin space is completely separated, and centrifugation built-in temperature is 45 DEG C, and the rotating speed of rotor is 4000r/
Min, centrifugation time is 30min, and filtrate enters sump pit after the completion of centrifugation, and filter residue is entered in ash pit, then collects filtrate
Get up standby, into next step process, the weight of gained filter residue is 4.84t to filter residue, and moisture content is 84%；
（5）By step（4）Aloe skin filter residue after middle centrifugation is re-fed into belt filter press, secondary extrusion is carried out, due in spiral
After extruding in extruder, although have a certain amount of moisture to extrude, but fail to destroy cell membrane completely, it is impossible to thoroughly squeeze out aloe
The cell liquid and moisture of skin, is fully extruded the moisture in filter residue by high pressure effect, while filter residue is pressed into filter cake, is arranged
The pressure of belt filter press is 0.3MPa, and the juice that extrusion is collected after the completion of press filtration is standby, gained aloe skin filter after secondary extrusion
The weight of cake is 4.4t, and moisture content is 76%；
（6）By step（5）The aloe skin filter cake of middle gained sends into glass and dries room, is placed on guipure and is done using solar energy
Dry, described glass dries room Nei Shesige areas, and first, secondth area is provided with multiple wet-emitting blowers, passes through based on ventilation drying
Drying and processing is carried out using the heat of solar energy, based on thermal dehydration, auxiliary is provided with drying dehumidification machine and row in the three, the 4th areas
Wet blower carries out drying and processing, and the stirring mechanism that guipure top is arranged is started in dry run, by constantly stirring, accelerates filter
The rate of water loss of cake, the drying effect for making aloe skin filter cake is more uniformly distributed, and it is 2 that glass dries the guipure number of plies used in room
Layer, guipure width 2m, the thickness for laying filter cake is 1cm, and baking temperature is 60 DEG C, and drying time is 10h, and dewatering efficiency is
195kg/h, the weight of aloe skin filter cake is 2.42t after drying process, and moisture content is 40%；
（7）By step（6）Aloe skin filter cake after middle drying sends into tunnel type heat pump drying line, is placed on guipure and is continuously done
Dry, the transmission speed of guipure is slower, is more uniformly distributed can the heat radiation that aloe skin filter cake is received, and on diverse location speed is dried
Rate is more consistent, and tunnel type heat pump drying line is provided with dehumidifier, and the transmission speed for using guipure is 0.5m/min, and the number of plies is 2
Layer, guipure width 2m, the thickness for laying filter cake is 4cm, and baking temperature is 80 DEG C, and drying time is 4h, and dewatering efficiency is
270kg/h, the weight of aloe skin filter cake is 1.32t after being dried, and moisture content is 20%；
（8）By step（7）Middle gained moisture content is that 20% aloe skin filter cake is packaged, and can obtain the fuel by obtained in aloe skin.
Embodiment 2
A kind of method of utilization solar energy, heat pump composite drying aloe skin, comprises the following steps：
（1）Existing aloe raw material 10t, first cleans up aloe raw material with cleaning machine, after taking aloe pulp, collects remaining reed
Luxuriant growth skin, its weight is 5.5t, and the initial aqueous rate of aloe skin is 97%；
（2）By step（1）In aloe skin be put into disintegrating machine, be broken into the sheet of 1.5cm, it is broken after the weight of aloe skin be
5.28t, the moisture content of the broken aloe skin of gained is 93%；
（3）By step（2）In broken aloe skin with feeder send into screw extruder, once extruded, in extrusion process receive
The juice of collection extrusion is standby, and the weight of aloe skin is 5.06t after once extruding, and moisture content is 89%；
（4）By step（3）Aloe skin after middle extruding sends into continuous centrifugal machine, the aloe skin particle agglomeration after screw extrusion
Together, still storing between adjacent particle has large quantity of moisture and juice, and under the high speed turning effort of centrifugal force aloe intracutaneous can be made
Solid-liquid in portion's tissue and adjacent aloe skin space is completely separated, and centrifugation built-in temperature is 42 DEG C, and the rotating speed of rotor is 3750r/
Min, centrifugation time is 25min, and filtrate enters sump pit after the completion of centrifugation, and filter residue is entered in ash pit, then collects filtrate
Get up standby, into next step process, the weight of filter residue is 4.84t to filter residue, and moisture content is 85%；
（5）By step（4）Aloe skin filter residue after middle centrifugation is re-fed into belt filter press, secondary extrusion is carried out, due in spiral
After extruding in extruder, although have a certain amount of moisture to extrude, but fail to destroy cell membrane completely, it is impossible to thoroughly squeeze out aloe
The cell liquid and moisture of skin, is fully extruded the moisture in filter residue by high pressure effect, while filter residue is pressed into filter cake, is arranged
The pressure of belt filter press is 0.4MPa, and the juice that extrusion is collected after the completion of press filtration is standby, gained aloe skin filter after secondary extrusion
The weight of cake is 4.4t, and moisture content is 77%；
（6）By step（5）The aloe skin filter cake of middle gained sends into glass and dries room, is placed on guipure and is done using solar energy
Dry, described glass dries room Nei Shesige areas, and first, secondth area is provided with multiple wet-emitting blowers, passes through based on ventilation drying
Drying and processing is carried out using the heat of solar energy, based on thermal dehydration, auxiliary is provided with drying dehumidification machine and row in the three, the 4th areas
Wet blower carries out drying and processing, and the stirring mechanism that guipure top is arranged is started in dry run, by constantly stirring, accelerates filter
The rate of water loss of cake, the drying effect for making aloe skin filter cake is more uniformly distributed, and it is 3 that glass dries the guipure number of plies used in room
Layer, guipure width 2.2m, the thickness for laying filter cake is 1.5cm, and baking temperature is 63 DEG C, and drying time is 10h, and dewatering efficiency is
197kg/h, the weight of aloe skin filter cake is 2.42t after drying process, and moisture content is 41%；
（7）By step（6）Aloe skin filter cake after middle drying sends into tunnel type heat pump drying line, is placed on guipure and is continuously done
Dry, the transmission speed of guipure is slower, is more uniformly distributed can the heat radiation that aloe skin filter cake is received, and on diverse location speed is dried
Rate is more consistent, and tunnel type heat pump drying line is provided with dehumidifier, and the transmission speed for using guipure is 0.75m/min, and the number of plies is 3
Layer, guipure width 2.25m, the thickness for laying filter cake is 4.5cm, and baking temperature is 83 DEG C, and drying time is 4h, and dewatering efficiency is
273kg/h, the weight of aloe skin filter cake is 1.32t after being dried, and moisture content is 21%；
（8）By step（7）In aloe skin filter cake send into heat pump drying room, be placed on Multilayer Network band and be further dried, baking room
The interior setting guipure number of plies is more, there is 5 ~ 10 DEG C of the temperature difference between levels, and the liter in mesh belt support is controlled in dry run
Descending mechanism, makes lower net band every 10min to upper strata loopy moving, realizes the uniform drying of aloe skin filter cake, heat pump drying room
Interior the used guipure number of plies is 16 layers, guipure width 2.3m, and the thickness for laying filter cake is 5cm, and baking temperature is 73 DEG C, is dried
Time is 14h, and the dewatering efficiency of aloe skin filter cake is 63kg/h, and the weight of aloe skin filter cake is 0.44t after being dried, and moisture content is
5%；
（9）By step（8）Middle gained moisture content is that 5% aloe skin filter cake is packaged, and can obtain the feed by obtained in aloe skin.
Embodiment 3
A kind of method of utilization solar energy, heat pump composite drying aloe skin, comprises the following steps：
（1）Existing aloe raw material 10t, first cleans up aloe raw material with cleaning machine, after taking aloe pulp, collects remaining reed
Luxuriant growth skin, its weight is 5.5t, and the initial aqueous rate of aloe skin is 98%；
（2）By step（1）In aloe skin be put into disintegrating machine, be broken into the sheet of 2cm, the weight of the broken aloe skin of gained is
5.28t, moisture content is 94%；
（3）By step（2）In broken aloe skin with feeder send into screw extruder, once extruded, in extrusion process receive
The juice of collection extrusion is standby, and the weight of aloe skin is 5.06t after once extruding, and moisture content is 90%；
（4）By step（3）Aloe skin after middle extruding sends into continuous centrifugal machine, the aloe skin particle agglomeration after screw extrusion
Together, still storing between adjacent particle has large quantity of moisture and juice, and under the high speed turning effort of centrifugal force aloe intracutaneous can be made
Solid-liquid in portion's tissue and adjacent aloe skin space is completely separated, and centrifugation built-in temperature is 45 DEG C, and the rotating speed of rotor is 5000r/
Min, centrifugation time is 20min, and filtrate enters sump pit after the completion of centrifugation, and filter residue is entered in ash pit, then collects filtrate
Get up standby, into next step process, the weight of filter residue is 4.84t to filter residue, and moisture content is 86%；
（5）By step（4）Aloe skin filter residue after middle centrifugation is re-fed into belt filter press, secondary extrusion is carried out, due in spiral
After extruding in extruder, although have a certain amount of moisture to extrude, but fail to destroy cell membrane completely, it is impossible to thoroughly squeeze out aloe
The cell liquid and moisture of skin, is fully extruded the moisture in filter residue by high pressure effect, while filter residue is pressed into filter cake, is arranged
The pressure of belt filter press is 0.5MPa, and the juice that extrusion is collected after the completion of press filtration is standby, gained aloe skin filter after secondary extrusion
The weight of cake is 4.4t, and moisture content is 78%；
（6）By step（5）The aloe skin filter cake of middle gained sends into glass and dries room, is placed on guipure and is done using solar energy
Dry, described glass dries room Nei Shesige areas, and first, secondth area is provided with multiple wet-emitting blowers, passes through based on ventilation drying
Drying and processing is carried out using the heat of solar energy, based on thermal dehydration, auxiliary is provided with drying dehumidification machine and row in the three, the 4th areas
Wet blower carries out drying and processing, and the stirring mechanism that guipure top is arranged is started in dry run, by constantly stirring, accelerates filter
The rate of water loss of cake, the drying effect for making aloe skin filter cake is more uniformly distributed, and it is 4 that glass dries the guipure number of plies used in room
Layer, guipure width 2.5m, the thickness for laying filter cake is 2cm, and baking temperature is 65 DEG C, and drying time is 10h, and dewatering efficiency is
200kg/h, the weight of aloe skin filter cake is 2.42t after drying process, and moisture content is 42%；
（7）By step（6）Aloe skin filter cake after middle drying sends into tunnel type heat pump drying line, is placed on guipure and is continuously done
Dry, the transmission speed of guipure is slower, is more uniformly distributed can the heat radiation that aloe skin filter cake is received, and on diverse location speed is dried
Rate is more consistent, and the transmission speed for using guipure is 1m/min, and the number of plies is 4 layers, and guipure width 2.5m lays the thickness of filter cake
For 5cm, baking temperature is 85 DEG C, and drying time is 4h, and dewatering efficiency is 275kg/h, and the weight of aloe skin filter cake is after being dried
1.32t, moisture content is 22%；
（8）By step（7）In aloe skin filter cake send into heat pump drying room, be placed on Multilayer Network band and be further dried, baking room
The interior setting guipure number of plies is more, there is 10 DEG C of the temperature difference between levels, and the lifting in mesh belt support is controlled in dry run
Mechanism, makes lower net band every 10min to upper strata loopy moving, the uniform drying of aloe skin filter cake is realized, in heat pump drying room
The guipure number of plies for being used is 17 layers, guipure width 2.5m, and the thickness for laying filter cake is 5cm, and baking temperature is 75 DEG C, when being dried
Between be 14h, the dewatering efficiency of aloe skin filter cake is 65kg/h, and the weight of aloe skin filter cake is 0.44t after being dried, and moisture content is
5%；
（9）By step（7）Middle gained moisture content is that 22% aloe skin filter cake is packaged, and can obtain the fuel by obtained in aloe skin；
（10）By step（8）Middle gained moisture content is that 5% aloe skin filter cake is packaged, and can obtain the feed by obtained in aloe skin；
（11）By step（3）~（5）The aloe juice of middle collection or filtrate carry out purification by liquid extraction, can obtain cosmetic.
The drying means that the present invention is adopted and other drying means processing 1t aloe skins, make energy consumption that feed used and
The product property contrast table of acquisition：
The power consumption of the different drying means of table 1 and product property contrast table
As can be seen from the above table, although freeze-drying keeps preferable to the color and luster of aloe skin and nutriment, but its energy consumption compared with
Height, and be not suitable for batch production, cost of investment is high, and electric dry oven is dried and the color and luster of microwave drying resulting product is partially yellow, and nutrition
Loss is higher, and comparatively, the processing method of the present invention not only has relatively low energy consumption, while preferably remaining aloe skin institute
The color and luster having and nutritive value.
Claims (6)
1. a kind of utilization solar energy, the method for heat pump composite drying aloe skin, it is characterised in that comprise the following steps：
（1）First aloe raw material is cleaned up with cleaning machine, after taking aloe pulp, at the beginning of collecting remaining aloe skin, aloe skin
Beginning moisture content is 96 ~ 98%；
（2）By step（1）In aloe skin be broken into the sheet of 1 ~ 2cm, the moisture content of the broken aloe skin of gained is 92 ~ 94%；
（3）By step（2）In broken aloe skin with feeder send into screw extruder, once extruded, in extrusion process receive
The juice of collection extrusion is standby, and the moisture content of aloe skin is 88 ~ 90% after once extruding；
（4）By step（3）Aloe skin after middle extruding sends into continuous centrifugal machine, makes under the influence of centrifugal force inside aloe skin
Solid-liquid in tissue and adjacent aloe skin space is completely separated, and centrifugation built-in temperature is 40 ~ 45 DEG C, and the rotating speed of rotor is 3500 ~
5000r/min, centrifugation time is 20 ~ 30min, and collection gained filtrate is standby after the completion of centrifugation, and filter residue is into next step process, filter
The moisture content of slag is 84 ~ 86%；
（5）By step（4）Aloe skin filter residue after middle centrifugation is re-fed into belt filter press, carries out secondary extrusion, arranges belt pressure
The pressure of filter is 0.3 ~ 0.5MPa, is fully extruded the moisture in filter residue under high pressure effect, while filter residue is pressed into filter
Cake, the juice for collecting extrusion is standby, and the moisture content of gained aloe skin filter cake is 76 ~ 78% after secondary extrusion；
（6）By step（5）The aloe skin filter cake of middle gained sends into glass and dries room, is placed on guipure and is done using solar energy
It is dry, the stirring mechanism that guipure top is arranged is started in dry run, the drying effect for making aloe skin filter cake is more uniformly distributed, and glass dries in the air
It is 2 ~ 4 layers to shine the guipure number of plies used in room, guipure 2 ~ 2.5m of width, and the thickness for laying filter cake is 1 ~ 2cm, and baking temperature is
60 ~ 65 DEG C, dewatering efficiency is 195 ~ 200kg/h, and the moisture content of aloe skin filter cake is 40 ~ 42% after drying process；
（7）By step（6）Aloe skin filter cake after middle drying sends into tunnel type heat pump drying line, is placed on guipure and is continuously done
Dry, the transmission speed for using guipure is 0.5 ~ 1m/min, and the number of plies is 2 ~ 4 layers, and guipure 2 ~ 2.5m of width lays the thickness of filter cake
For 4 ~ 5cm, baking temperature is 80 ~ 85 DEG C, and dewatering efficiency is 270 ~ 275kg/h, after being dried the moisture content of aloe skin filter cake be 20 ~
22%；
（8）By step（7）In aloe skin filter cake send into heat pump drying room, be placed on Multilayer Network band and be further dried, baking room
The interior setting guipure number of plies is more, there is 5 ~ 10 DEG C of the temperature difference between levels, and the liter in mesh belt support is controlled in dry run
Descending mechanism, makes lower net band every 10min to upper strata loopy moving, realizes the uniform drying of aloe skin filter cake, heat pump drying room
Interior the used guipure number of plies is 15 ~ 17 layers, guipure 2 ~ 2.5m of width, and the thickness for laying filter cake is 4 ~ 5cm, and baking temperature is 70
~ 75 DEG C, the dewatering efficiency of aloe skin filter cake is 60 ~ 65kg/h, and the moisture content of aloe skin filter cake is 4 ~ 5% after being dried.
2. a kind of utilization solar energy according to claim 1, the method for heat pump composite drying aloe skin, it is characterised in that
Step（6）Described glass dries room Nei Shesige areas, and first, secondth area is provided with multiple wet-emitting blowers based on ventilation drying,
Drying and processing is carried out by using the heat of solar energy, based on thermal dehydration, auxiliary is provided with drying dehumidification machine in the three, the 4th areas
Drying and processing is carried out with wet-emitting blower.
3. a kind of utilization solar energy according to claim 1, the method for heat pump composite drying aloe skin, it is characterised in that
Step（7）Described tunnel type heat pump drying line and step（8）Dehumidifier is provided with described heat pump drying room.
4. a kind of utilization solar energy according to claim 1, the method for heat pump composite drying aloe skin, it is characterised in that
By step（7）Middle gained moisture content is packaged for 20 ~ 22% aloe skin filter cake, can obtain the fuel by obtained in aloe skin.
5. a kind of utilization solar energy according to claim 1, the method for heat pump composite drying aloe skin, it is characterised in that
By step（8）Middle gained moisture content is packaged for 4 ~ 5% aloe skin filter cake, can obtain the feed by obtained in aloe skin.
6. a kind of utilization solar energy according to claim 1, the method for heat pump composite drying aloe skin, it is characterised in that
By step（3）~（5）The aloe juice of middle collection or filtrate carry out purification by liquid extraction, can obtain cosmetic.
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Citations (4)
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|---|---|---|---|---|
| EP1621523A1 (en) * | 2004-07-30 | 2006-02-01 | Societe D'amenagement Urbain Et Rural | Installation for a combined drying of wastes, in particular wastewater sludge |
| CN104197649A (en) * | 2014-09-12 | 2014-12-10 | 魏春旺 | Heat pump and solar energy combined heat supply drying room working under two modes |
| CN204177153U (en) * | 2014-10-19 | 2015-02-25 | 深圳市信宇人科技有限公司 | Interlayer material baking box |
| CN204329525U (en) * | 2014-12-16 | 2015-05-13 | 东莞市风火轮热能科技有限公司 | A kind of net belt type heat pump drying line |
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2016
- 2016-12-16 CN CN201611167460.9A patent/CN106643083A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1621523A1 (en) * | 2004-07-30 | 2006-02-01 | Societe D'amenagement Urbain Et Rural | Installation for a combined drying of wastes, in particular wastewater sludge |
| CN104197649A (en) * | 2014-09-12 | 2014-12-10 | 魏春旺 | Heat pump and solar energy combined heat supply drying room working under two modes |
| CN204177153U (en) * | 2014-10-19 | 2015-02-25 | 深圳市信宇人科技有限公司 | Interlayer material baking box |
| CN204329525U (en) * | 2014-12-16 | 2015-05-13 | 东莞市风火轮热能科技有限公司 | A kind of net belt type heat pump drying line |
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Application publication date: 20170510 |