CN106387734A - Method and device for drying and processing of porphyra haitanensis - Google Patents
Method and device for drying and processing of porphyra haitanensis Download PDFInfo
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- CN106387734A CN106387734A CN201611143160.7A CN201611143160A CN106387734A CN 106387734 A CN106387734 A CN 106387734A CN 201611143160 A CN201611143160 A CN 201611143160A CN 106387734 A CN106387734 A CN 106387734A
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- 241001480978 Pyropia haitanensis Species 0.000 title claims abstract description 53
- 238000001035 drying Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000012545 processing Methods 0.000 title abstract description 22
- 235000013311 vegetables Nutrition 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 3
- 230000008676 import Effects 0.000 claims description 18
- 239000000047 product Substances 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 13
- 238000003672 processing method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 208000030208 low-grade fever Diseases 0.000 claims description 9
- 230000018044 dehydration Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 238000012805 post-processing Methods 0.000 claims description 7
- 239000012467 final product Substances 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 3
- 238000003303 reheating Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000004321 preservation Methods 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 abstract 2
- 238000005406 washing Methods 0.000 abstract 1
- 241000206607 Porphyra umbilicalis Species 0.000 description 15
- 241000196324 Embryophyta Species 0.000 description 6
- 241000206613 Pyropia yezoensis Species 0.000 description 5
- 238000003306 harvesting Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 241000195493 Cryptophyta Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 235000013290 Sagittaria latifolia Nutrition 0.000 description 1
- 244000061458 Solanum melongena Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 235000015246 common arrowhead Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/03—Drying; Subsequent reconstitution
- A23B4/031—Apparatus for drying
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
-
- 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
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
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- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a method and device for drying and processing of porphyra haitanensis. The main body of the drying processing device is a 'U' shaped pipe, and is provided with a porphyra haitanensis conveying device, a heating device and a ventilation and heat dissipation device; the porphyra haitanensis conveying device is a cart, the heating device comprises a hot air boiler and hot air pipes, and the ventilation and heat dissipation device comprises a fresh vegetable end exhaust port, a dry vegetable end exhaust port and a moisture exhaust port. The method comprises the following steps: washing porphyra haitanensis, chopping, blending, stirring and making cake to obtain a porphyra haitanensis cake; conducting pressing-dehydration of the porphyra haitanensis cake by external forces in a water press by three times, and then placing the porphyra haitanensis cake in a 'U' shaped dry bake channel; drying at 60-70 DEG C for 45-75min to obtain the finished product of the porphyra haitanensis. The prepared finished product has low water content, can meet the conditions of long-term preservation and avoid the situation of secondary re-drying. Scattering of moisture-containing hot gas in all directions is reduced, environmental pollution is reduced, and moisture loss and heat loss in the heating boiler are reduced.
Description
Technical field
The present invention relates to a kind of drying and processing method of porphyra haitanensis and processing unit (plant) is dried.
Background technology
Porphyra haitanensis and Porphyra yezoensis Ueda are the economical algas of two kinds of Main Cultivations of China, and North of Yangtze River marine site cultivation streak is purple
Dish, cultivation porphyra haitanensis in marine site on the south the Changjiang river.Porphyra yezoensis Ueda cultivation and processing are using Japanese Korea S pattern：Large-scale planting, complete from
Dynamic mechanization is dried processing, and roasting Thallus Porphyrae, flavoring laver are as main end product.Porphyra haitanensis are that output value highest is planted in the world
One of training economical alga, cultured area has exceeded 600,000 mu.In recent years move northward jiangsu coast, carry out two with local Porphyra yezoensis Ueda
Stubble cultivation, creates obvious economic and social profit.
Traditional porphyra haitanensis processing method is manual processing, spontaneously dry based on, naturally dry the impact of climate condition big,
Time-consuming work consuming, working (machining) efficiency are low.With the expansion of porphyra haitanensis cultivated area, particularly rely on manual processing slow, labour force's throwing
Enter big, the low problem of benefit is more and more prominent, and former algae overstocks in a large number, lead to cultivation Thallus Porphyrae can not in time harvest.If when long
Between do not harvest, individual increase is easily interrupted by stormy waves, aging substantially, directly affect the Thallus Porphyrae output value.If the Thallus Porphyrae of harvesting can not
Dehydrate processing, easily rots in time.It can be seen that, rapidly and efficiently dry processing is particularly significant for porphyra haitanensis production in time, because
The direction of development is processed in the mechanization drying of this Thallus Porphyrae.
The processing method of porphyra haitanensis is various, Publication No. " CN103960701B ", entitled " a kind of fresh laver product
The patent of invention of preparation method ", discloses new fresh laver directly through the method being simply processed as fresh product, similar goes back
There are Publication No. " CN101461559A ", the patent of invention of entitled " method of compressing and molding laver ", disclose dehydration Thallus Porphyrae
The product preparation method of compression.The problems such as due to accumulating, shelf-life and consumption acceptance, do not form industrialization.Processing altar is purple
It is dried the most key during dish, dry products are capable of preservation over a long time, and can be produced other after the drying of former algae
Product, such as Publication No. " CN100341399C ", the invention of entitled " a kind of jar laver product and its processing method " is special
Profit, discloses granular Thallus Porphyrae series of products.It is related to the course of processing of porphyra haitanensis, have Publication No. " CN203872946U " name
Referred to as " porphyra haitanensis watering cake institutions ", there are Publication No. " CN201544291U " entitled " Porphyra haitanensis finishing cutting machine " and Publication No.
Utility model patents such as " CN201550577U " entitled " porphyra haitanensis sofening treatment devices ", is porphyra haitanensis processing technique and dress
Standby perfect provide the foundation.
The processing of Porphyra yezoensis Ueda is using full automatic process routes such as cleaning, cake processed, pressure water, dryings.Once straight after pressure water
Tap into into baking stage, Thallus Porphyrae water content reaches more than 85%, the method in conjunction with automatically delivering, the high cost of processing.Adopt at present
The pattern that porphyra haitanensis mechanization is dried processing or continues Porphyra yezoensis Ueda.
Content of the invention
The technical problem to be solved is for the deficiencies in the prior art, and provides a kind of porphyra haitanensis
Drying and processing method, it is possible to achieve be rapidly and efficiently dried.
What the present invention also provided a kind of porphyra haitanensis is dried processing unit (plant).
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of drying and processing method of porphyra haitanensis, comprises the following steps：
(1) pretreatment：
By porphyra haitanensis according to Thallus Porphyrae conventional drying handling process is cleaned successively, chopping, be in harmonious proportion, stirring, cake technique processed enters
Row obtains Thallus Porphyrae cake after processing, and the moisture content of the Thallus Porphyrae cake now obtaining is 86-91%；
(2) external force dehydration under wet environment：
The Thallus Porphyrae cake of the porphyra haitanensis that step (1) is obtained carries out three pressure water, the Thallus Porphyrae after compacting in an open condition
Cake moisture content is 68-74%；
(3) dry environment is in drying and dehydrating：
The moisture content that step (2) is obtained is that the Thallus Porphyrae cake of 68-74% is dried in the space of closing, and obtain is dry
Dry Thallus Porphyrae moisture content is in 3-6%；
(4) post processing：
Detection moisture content qualified be dried Thallus Porphyrae packaged after Thallus Porphyrae finished product.
In technique scheme, method specifically includes following steps：
(1) pretreatment：
Porphyra haitanensis are delivered in vegetable sink successively according to Thallus Porphyrae conventional drying handling process and is carried out, carries out in chipper
Chopping, carry out in conditioner being in harmonious proportion, be stirred in blender, carrying out cake processed in cake-making machine, the containing of the Thallus Porphyrae cake now obtaining
Water rate is 86-91%；
(2) external force dehydration under wet environment：
The Thallus Porphyrae cake of the porphyra haitanensis that step (1) is obtained is delivered to and is once pressed water in squeezer, and pressure is 0.50-
2.50KPa, the Thallus Porphyrae cake moisture content after compacting is 79-85%；It is then passed through once pressing the Thallus Porphyrae cake disk that water obtains to deliver to pressure again
Carry out secondary pressure water, pressure is 0.50-2.50KPa, the Thallus Porphyrae cake moisture content after compacting is 75-78% in water dispenser；It is then passed through
The secondary pressure Thallus Porphyrae cake that obtains of water continues to deliver to and carries out three pressure water in squeezer, and pressure is 0.50-2.50KPa, after compacting
Thallus Porphyrae cake moisture content is 68-74%；
(3) drying and dehydrating in "U" shaped dry baking tunnel：
The moisture content that step (3) is obtained is that the Thallus Porphyrae cake of 68-74% is put in go-cart 3, and porphyra haitanensis go-cart is by "U" shaped
The fresh vegetable import of pipeline enters, by "U" shaped after "U" shaped pipeline internal operation one circle under the method for operation of in rail hydraulic pressure
The salted Brassicae siccus of pipeline export out；During "U" shaped pipeline internal operation, the hot blast of hot air boiler is given vent to anger by hot blast for go-cart
Mouth is discharged, and passes through warm-air pipe transporting hot-air, and hot-air has respectively entered " U " by fresh vegetable end air inlet, salted Brassicae siccus end air inlet
Inside font pipeline, thus being dried to the Thallus Porphyrae cake in go-cart；The low grade fever air discharged in dry run is respectively by fresh vegetable
End air vent, salted Brassicae siccus end air vent are discharged, and are imported in the hot blast air inlet of hot air boiler by warm-air pipe after importing dampness air vent；
Low grade fever air utilizes through reheating Posterior circle；
(4) post processing：
What step (3) obtained be dried, and Thallus Porphyrae obtains final product Thallus Porphyrae through packer packaging after testing equipment detection moisture content is qualified
Finished product.
In technique scheme, in step (3), in described go-cart, place 15-25 layer pallet, in each pallet, place 20
The roundel of individual diameter 22cm, places the Thallus Porphyrae cake that 100-200g moisture content is 68-74% in each roundel.
In technique scheme, in step (3), the drying temperature in "U" shaped pipeline is 60-70 DEG C, and go-cart is in U " word
Drying time in shape pipeline is 45-75min.
In the inventive method, used vegetable sink, chipper, conditioner, blender and squeezer (press water used by three times
Machine all same) it is present in state of the art or conventional equipment；And "U" shaped dry baking tunnel is present invention spy
Some equipment；
The present invention also provides the "U" shaped dry baking tunnel in a kind of said method, and its main body is "U" shaped pipeline, joins
It is provided with Thallus Porphyrae conveyer device, heating plant and ventilation heat abstractor；Described Thallus Porphyrae conveyer device is go-cart, described confession hot charging
Put including hot air boiler and warm-air pipe, described ventilation heat abstractor includes fresh vegetable end air vent, salted Brassicae siccus end air vent and dampness
Air vent；It is characterized in that：
Described "U" shaped pipeline one end is fresh vegetable import, the other end exports for salted Brassicae siccus, and go-cart is entered by fresh vegetable import
Export out by salted Brassicae siccus after "U" shaped pipeline after its internal operation one circle；Described fresh vegetable import is equipped with the air inlet of fresh vegetable end
Mouthful, it is connected with the hot blast gas outlet of hot air boiler by warm-air pipe；Described salted Brassicae siccus outlet is equipped with salted Brassicae siccus end air inlet,
It is connected with the hot blast gas outlet of hot air boiler by warm-air pipe；The blind end of described "U" shaped pipeline, is entered with fresh vegetable end
The corresponding position of QI KOU offers the fresh vegetable end air vent position corresponding with salted Brassicae siccus end air inlet and offers the aerofluxuss of salted Brassicae siccus end
Mouthful, fresh vegetable end air vent, salted Brassicae siccus end air vent are connected with dampness air vent by warm-air pipe；Described dampness air vent passes through
Warm-air pipe is connected with the air inlet of hot air boiler.
Preferably, described "U" shaped dry baking tunnel also includes a divider wall, outer positioned at "U" shaped pipeline (6)
Portion and be placed in the inside of its turn of bilge, fresh vegetable end air inlet, salted Brassicae siccus end air inlet are separated, thus hot-air is separated, formed plus
There are between work raw material and product different passages.
Preferably, the low grade fever air that described dampness air vent is discharged enters in hot air boiler, the heated dry air interior with it
Through heating after mixing, imported in "U" shaped pipeline by warm-air pipe and form loop, realize the recycling of waste heat, be to improve heat
The key of utilization rate.
Preferably, described warm-air pipe is the thermal conductive pipe of stainless steel, and caliber is 60cm；Transporting heated dry air.
Preferably, described fresh vegetable end air vent, salted Brassicae siccus end air vent and dampness air vent are all equipped with an exhaust fan,
The heat that thermal conductive pipe distributes rapid draing in the presence of exhaust fan；The exhaust fan of fresh vegetable end air vent realizes fast dewatering,
The exhaust fan of salted Brassicae siccus end air vent ensures that salted Brassicae siccus have relatively low moisture content, and the exhaust fan of dampness air vent, by the gas containing water
Body is transported to dampness air vent, is aerated radiating by the supplement of boiler steam again.
Preferably, described go-cart adopts the method for track hydraulic pressure to carry out inside "U" shaped pipeline.
Compared with prior art, it is an advantage of the current invention that：
(1) hot-air of double " U " the type duct types being formed provides method, Thallus Porphyrae moisture content be dried low, the Neng Gouda obtaining
To the permanent condition preserving, it can be avoided that secondary situation about doing again occurs.The steam decreasing moisture content is scattered and lost everywhere, alleviates
Environmental pollution, reduces the moisture in heating boiler and thermal loss.And the heat of traditional drying room baking needed is disposable profit
, the air of high temperature drying from one end import, after fresh laver-drying Thallus Porphyrae, arrange from the other end by the hot-air with moisture
Go out.Therefore, heat scatters and disappears greatly, and the efficiency being dried is low, may affect the quality of Thallus Porphyrae is dried.
(2) Thallus Porphyrae after traditional drying, one-level is dried processing：Dry once, water content is about 10～15%；Secondary drying
Processing：Dry twice, water content is about 2～3%.It is placed on preservation sealing preserve in dry room, or the Thallus Porphyrae cake that will dry
Load after sealing in transparent, plastic strip, -20 DEG C can be never degenerated for a long time.The method of traditional drying is unidirectional due to only one of which
Passage, fresh laver enters drying from one end of air inlet, and dry laver runs into must be released from one end of air vent, the containing of dry laver
Water rate high it is necessary to through secondary re-dry process, otherwise, rape cake more than 10% for the water content, the holding time will not be very long,
Just rotten after about 2～3 months, rotten Thallus Porphyrae is to be changed into aubergine from atropurpureuss, tarnishes, and carries musty.In turn,
Fresh laver enters drying from one end of air vent, and the movement locus of fresh laver are contrary with the movement locus of air, fresh laver go-cart
Quality is big, and resistance during promotion is maximum, and meanwhile, fresh laver is unable to fast dewatering at high temperature, will have influence on the processed goods of Thallus Porphyrae
Matter.Fresh laver moisture content is big, and the efficiency being dehydrated under high humidity conditions is low.
Brief description
Fig. 1：The process chart of the inventive method；
Fig. 2：The structural representation of the "U" shaped dry baking tunnel used in the inventive method；
Wherein：1st, fresh vegetable end air inlet, 2, salted Brassicae siccus end air inlet, 3, go-cart, 4, fresh vegetable end air vent 5, the aerofluxuss of salted Brassicae siccus end
Mouthful, 6, "U" shaped pipeline.7th, dampness air vent, 8, hot blast gas outlet, 9, hot air boiler, 10, divider wall, 11, warm-air pipe；Arrow
Head direction is the traffic direction of go-cart.
Specific embodiment
Hereinafter the specific embodiment of technical solution of the present invention is described in detail, but the present invention is not limited in following description
Hold：
Present invention firstly provides a kind of drying and processing method of porphyra haitanensis, flow chart is as shown in Figure 1：Comprise the following steps：
(1) pretreatment：
Porphyra haitanensis are delivered in vegetable sink successively according to Thallus Porphyrae conventional drying handling process and is carried out, carries out in chipper
Chopping, carry out in conditioner being in harmonious proportion, be stirred in blender, carrying out cake processed in cake-making machine, the containing of the Thallus Porphyrae cake now obtaining
Water rate is 86-91%；
(2) external force dehydration under wet environment：
The Thallus Porphyrae cake of the porphyra haitanensis that step (1) is obtained is delivered to and is once pressed water in squeezer, and pressure is 0.5-
2.5KPa, the Thallus Porphyrae cake moisture content after compacting is 79-85%；It is then passed through once pressing the Thallus Porphyrae cake disk that water obtains to deliver to pressure water again
Carry out secondary pressure water, pressure is 0.5-2.5KPa, the Thallus Porphyrae cake moisture content after compacting is 75-78% in machine；It is then passed through secondary
The pressure Thallus Porphyrae cake that obtains of water continues to deliver to and carries out three pressure water in squeezer, and pressure is 0.5-2.5KPa, the Thallus Porphyrae cake after compacting
Moisture content is 68-74%；
(3) drying and dehydrating in "U" shaped dry baking tunnel：
The moisture content that step (3) is obtained is that the Thallus Porphyrae cake of 68-74% is put in go-cart 3, and porphyra haitanensis go-cart is by "U" shaped
The fresh vegetable import of pipeline 6 enters, by " U " word after "U" shaped pipeline internal operation one circle under the method for operation of in rail hydraulic pressure
The salted Brassicae siccus of shape pipeline export out；During "U" shaped pipeline internal operation, the hot blast of hot air boiler 9 is by hot blast for go-cart
Gas outlet 8 is discharged, and passes through warm-air pipe transporting hot-air, and hot-air is entered respectively by fresh vegetable end air inlet 1, salted Brassicae siccus end air inlet 2
Enter to inside "U" shaped pipeline, thus being dried to the Thallus Porphyrae cake in go-cart；The low grade fever air discharged in dry run is respectively
Discharged by fresh vegetable end air vent 4, salted Brassicae siccus end air vent 5, after importing dampness air vent 7, imported the hot blast of hot air boiler by warm-air pipe
In air inlet；Low grade fever air utilizes through reheating Posterior circle；
(4) post processing：
What step (3) obtained be dried, and Thallus Porphyrae obtains final product Thallus Porphyrae through packer packaging after testing equipment detection moisture content is qualified
Finished product.
In the inventive method, used vegetable sink, chipper, conditioner, blender and squeezer (press water used by three times
Machine all same) it is present in state of the art or conventional equipment；And "U" shaped dry baking tunnel is present invention spy
Some equipment；Its main body is "U" shaped pipeline 6, is equipped with Thallus Porphyrae conveyer device, heating plant and ventilation heat abstractor；Described
Thallus Porphyrae conveyer device be go-cart 3, described heating plant includes hot air boiler 9 and warm-air pipe 11, described ventilation and heat dress
Put including fresh vegetable end air vent 4, salted Brassicae siccus end air vent 5 and dampness air vent 7, as shown in Figure 2：
Described "U" shaped pipeline one end is fresh vegetable import, the other end exports for salted Brassicae siccus, and go-cart is entered by fresh vegetable import
Export out by salted Brassicae siccus after "U" shaped pipeline after its internal operation one circle；Described fresh vegetable import is equipped with the air inlet of fresh vegetable end
Mouth 1, it is connected with the hot blast gas outlet 8 of hot air boiler by warm-air pipe；Described salted Brassicae siccus outlet is equipped with salted Brassicae siccus end air inlet
2, it is connected with the hot blast gas outlet of hot air boiler by warm-air pipe；The blind end of described "U" shaped pipeline 6, with fresh vegetable
The end corresponding position of air inlet 1 offer fresh vegetable end air vent 4 position corresponding with salted Brassicae siccus end air inlet 2 offer dry
Dish end air vent 5, fresh vegetable end air vent, salted Brassicae siccus end air vent are connected with dampness air vent 7 by warm-air pipe 11；Described is wet
Gas air vent is connected with the air inlet of hot air boiler by warm-air pipe；
Described "U" shaped dry baking tunnel also includes a divider wall 10, positioned at the outside of "U" shaped pipeline 6 and be placed in
The inside of its turn of bilge, fresh vegetable end air inlet 1, salted Brassicae siccus end air inlet 2 is separated, thus hot-air is separated；
The low grade fever air that described dampness air vent is discharged enters in hot air boiler, the heated dry air interior with it mix after warp
Heating, is imported in "U" shaped pipeline by warm-air pipe and forms loop, realize the recycling of waste heat；
Described warm-air pipe 11 is the thermal conductive pipe of stainless steel, and caliber is 60cm；
Described fresh vegetable end air vent 4, salted Brassicae siccus end air vent 5 and dampness air vent 7 are all equipped with an exhaust fan；
Described go-cart 3 adopts the method for track hydraulic pressure to carry out inside "U" shaped pipeline 6.
With reference to specific embodiment, the inventive method is specifically described, wherein hot air boiler is 1.5 tons
Boiler, can be dried 2000～3000kg fresh vegetable per hour.
Embodiment 1：
A kind of drying and processing method of porphyra haitanensis, comprises the following steps：
(1) pretreatment：
Porphyra haitanensis are delivered in vegetable sink successively according to Thallus Porphyrae conventional drying handling process and is carried out, carries out in chipper
Chopping, carry out in conditioner being in harmonious proportion, be stirred in blender, carrying out cake processed in cake-making machine, the containing of the Thallus Porphyrae disk now obtaining
Water rate is 86-88%；
(2) external force dehydration under wet environment：
The Thallus Porphyrae disk of the porphyra haitanensis that step (1) is obtained is delivered to and is once pressed water in squeezer, and pressure is 1.5-
2.0KPa, the Thallus Porphyrae disk moisture content after compacting is 79-80%；It is then passed through once pressing the Thallus Porphyrae disk that water obtains to deliver to squeezer again
In carry out secondary pressure water, pressure be 1.5-2.0KPa, the Thallus Porphyrae disk moisture content after compacting be 75-78%；It is then passed through secondary pressure
The Thallus Porphyrae disk that water obtains continues to deliver to and carries out three pressure water in squeezer, and pressure is 1.5-2.0KPa, and the Thallus Porphyrae disk after compacting contains
Water rate is 70-74%；
(3) drying and dehydrating in "U" shaped dry baking tunnel：
The moisture content that step (3) is obtained is that the Thallus Porphyrae cake of 70-74% is put in go-cart, and porphyra haitanensis go-cart is by "U" shaped
The fresh vegetable import of pipeline enters, by "U" shaped after "U" shaped pipeline internal operation one circle under the method for operation of in rail hydraulic pressure
The salted Brassicae siccus of pipeline export out；Place 20 layers of pallet in go-cart, in each pallet, place the roundel of 20 diameter 22cm, each
The Thallus Porphyrae cake that 150-160g moisture content is 70-74% is placed in roundel；
(4) post processing：
What step (3) obtained is dried Thallus Porphyrae after testing equipment detection moisture content (moisture content is 3-6%) is qualified through bag
Installation packaging obtains final product Thallus Porphyrae finished product.
Embodiment 2：
A kind of drying and processing method of porphyra haitanensis, comprises the following steps：
(1) pretreatment：
Porphyra haitanensis are delivered in vegetable sink successively according to Thallus Porphyrae conventional drying handling process and is carried out, carries out in chipper
Chopping, carry out in conditioner being in harmonious proportion, be stirred in blender, carrying out cake processed in cake-making machine, the containing of the Thallus Porphyrae disk now obtaining
Water rate is 89-91%；
(2) external force dehydration under wet environment：
The Thallus Porphyrae disk of the porphyra haitanensis that step (1) is obtained is delivered to and is once pressed water in squeezer, and pressure is 1.5-
2.0KPa, the Thallus Porphyrae disk moisture content after compacting is 79-85%；It is then passed through once pressing the Thallus Porphyrae disk that water obtains to deliver to squeezer again
In carry out secondary pressure water, pressure be 1.5-2.0KPa, the Thallus Porphyrae disk moisture content after compacting be 75-78%；It is then passed through secondary pressure
The Thallus Porphyrae disk that water obtains continues to deliver to and carries out three pressure water in squeezer, and pressure is 1.5-2.0KPa, and the Thallus Porphyrae disk after compacting contains
Water rate is 70-74%；
(3) drying and dehydrating in "U" shaped dry baking tunnel：
The moisture content that step (3) is obtained is that the Thallus Porphyrae cake of 70-74% is put in go-cart, and porphyra haitanensis go-cart is by "U" shaped
The fresh vegetable import of pipeline enters, by "U" shaped after "U" shaped pipeline internal operation one circle under the method for operation of in rail hydraulic pressure
The salted Brassicae siccus of pipeline export out；Place 25 layers of pallet in go-cart, in each pallet, place the roundel of 20 diameter 22cm, each
The Thallus Porphyrae cake that 120-130g moisture content is 70-74% is placed in roundel；
(4) post processing：
What step (3) obtained is dried Thallus Porphyrae through testing equipment detection moisture content qualified (moisture content is 3-6%) by bag
Installation packaging obtains final product Thallus Porphyrae finished product.
The hot-air of double " U " the type duct types being formed provides method, and obtain is dried Thallus Porphyrae moisture content in 3-6%, can
Reach the condition of permanent preservation, it can be avoided that secondary situation about doing again occurs.Heat can be raised to 100 DEG C from 45～55 DEG C, than
Relatively it is sublimate into 100 DEG C of gases from 20 DEG C of aqueous waters, reduce Energy input 50%.The hot gas decreasing moisture content is scattered and lost everywhere,
Alleviate environmental pollution, reduce the moisture in heating boiler and thermal loss.
The heat of traditional drying room baking needed is disposable, the air of high temperature drying from one end import, by light violet
After dish-drying Thallus Porphyrae, the hot-air with moisture is discharged from the other end.In the method, heat scatters and disappears greatly, and the efficiency being dried is low.Pass
The method of system is that the air that high temperature is dried enters porphyra haitanensis one end after processing is dried, humidity≤5%, 65～75 DEG C of temperature；Separately
One end exports, the fresh laver requiring machining for, its humidity >=80%, and 45～55 DEG C of temperature typically enters into drying from fresh laver
Need 150-200 minute, long-time high temperature, high humidity, high-moisture percentage, Thallus Porphyrae belongs to sweat, so directly affect Thallus Porphyrae
Quality.
The Thallus Porphyrae cake dried is loaded sealing preserve in transparent, plastic strip.Porphyra haitanensis after traditional drying are moister, aqueous
If amount still 10～15% long-term preserve it is necessary to through redrying, make water content be down to 2～5%, and reduce as far as possible with
Air contact, in hermetic bag to be contained in, (thoroughly moistureproof) is then charged into carton, is placed in dry room and preserves.Water content exists
More than 10% rape cake, the holding time will not be very long, just rotten after about 2～3 months, and rotten Thallus Porphyrae is to be changed into purple from atropurpureuss
Redness, tarnishes, and carries musty.
Examples detailed above simply technology design to illustrate the invention and technical characterstic, can not limit the present invention's with this
Protection domain.Equivalent transformation or modification that all essence according to the present invention is done, all should cover in protection scope of the present invention
Within.
Claims (10)
1. a kind of drying and processing method of porphyra haitanensis is it is characterised in that comprise the following steps：
(1) pretreatment：
By porphyra haitanensis according to Thallus Porphyrae conventional drying handling process is cleaned successively, chopping, be in harmonious proportion, stirring, at cake technique processed
Thallus Porphyrae disk is obtained, the moisture content of the Thallus Porphyrae disk now obtaining is 86-91% after reason；
(2) external force dehydration：
The Thallus Porphyrae disk of the porphyra haitanensis that step (1) is obtained carries out three pressure water in an open condition, and the Thallus Porphyrae disk after compacting contains
Water rate is 68-74%%；
(3) drying and dehydrating：
The moisture content that step (2) is obtained is that the Thallus Porphyrae disk of 68-74%% is dried in the space of closing, the drying obtaining
Thallus Porphyrae moisture content is in 3-6%；
(4) post processing：
Detection moisture content qualified be dried Thallus Porphyrae packaged after Thallus Porphyrae finished product.
2. method according to claim 1 is it is characterised in that method specifically includes following steps：
(1) pretreatment：
Porphyra haitanensis are delivered in vegetable sink successively according to Thallus Porphyrae conventional drying handling process and is carried out, cut in chipper
Carry out in broken, conditioner being in harmonious proportion, be stirred in blender, carrying out cake processed in cake-making machine, the Thallus Porphyrae disk now obtaining aqueous
Rate is 86-91%；
(2) external force dehydration under wet environment：
The Thallus Porphyrae disk of the porphyra haitanensis that step (1) is obtained is delivered to and is once pressed water in squeezer, and pressure is 0.50-2.50KPa,
Thallus Porphyrae disk moisture content after compacting is 79-85%；It is then passed through once pressing the Thallus Porphyrae disk that water obtains to deliver in squeezer and carry out again
Secondary pressure water, pressure is 0.50-2.50KPa, and the Thallus Porphyrae disk moisture content after compacting is 75-78%；It is then passed through secondary pressure water to obtain
To Thallus Porphyrae disk continue to deliver to and in squeezer, carry out three pressure water, pressure is 0.50-2.50KPa, and the Thallus Porphyrae disk after compacting is aqueous
Rate is 68-74%；
(3) drying and dehydrating in "U" shaped dry baking tunnel：
The moisture content that step (3) is obtained is that the Thallus Porphyrae cake of 68-74% is put in go-cart (3), and porphyra haitanensis go-cart (3) is by " U " word
The fresh vegetable import of shape pipeline (6) enters, under the method for operation of in rail hydraulic pressure after "U" shaped pipeline internal operation one circle by
The salted Brassicae siccus of "U" shaped pipeline export out；Go-cart during "U" shaped pipeline internal operation, the hot blast of hot air boiler (9)
Discharged by hot blast gas outlet (8), and pass through warm-air pipe transporting hot-air, hot-air is by fresh vegetable end air inlet (1), the air inlet of salted Brassicae siccus end
Mouth (2) has respectively entered inside "U" shaped pipeline, thus being dried to the Thallus Porphyrae cake in go-cart (3)；Discharge in dry run
Low grade fever air discharged by fresh vegetable end air vent (4), salted Brassicae siccus end air vent (5) respectively, import after dampness air vent (7) by hot blast
Pipe imports in the hot blast air inlet of hot air boiler；Low grade fever air utilizes through reheating Posterior circle；
(4) post processing：
What step (3) obtained be dried, and Thallus Porphyrae obtains final product Thallus Porphyrae through packer packaging after testing equipment detection moisture content is qualified
Product.
3. method according to claim 2 is it is characterised in that in step (3), place in described porphyra haitanensis go-cart (3)
15-25 layer pallet, places in each pallet and places 100-200g moisture content in the roundel of 20 diameter 22cm, each roundel
Thallus Porphyrae cake for 68-74%.
4. method according to claim 2 is it is characterised in that drying temperature in step (3), in "U" shaped pipeline (6)
For 60-70 DEG C, go-cart (3) is in U " drying time in font pipeline (6) is 45-75min.
5. the present invention also provides the "U" shaped dry baking tunnel described in a kind of claim 2 method, and its main body is "U" shaped pipe
Road (6), is equipped with Thallus Porphyrae conveyer device, heating plant and ventilation heat abstractor；Described Thallus Porphyrae conveyer device is go-cart (3),
Described heating plant includes hot air boiler (9) and warm-air pipe, described ventilation heat abstractor include fresh vegetable end air vent (4),
Salted Brassicae siccus end air vent (5) and dampness air vent (7)；It is characterized in that：
Described "U" shaped pipeline (6) one end is fresh vegetable import, the other end exports for salted Brassicae siccus, and go-cart (3) is entered by fresh vegetable import
Export out by salted Brassicae siccus after "U" shaped pipeline after its internal operation one circle；Described fresh vegetable import is equipped with the air inlet of fresh vegetable end
Mouth (1), it is connected with the hot blast gas outlet (8) of hot air boiler (9) by warm-air pipe (11)；Described salted Brassicae siccus outlet is equipped
Salted Brassicae siccus end air inlet (2), it is connected with the hot blast gas outlet (8) of hot air boiler (9) by warm-air pipe (11)；Described " U "
The blind end of font pipeline (6), the position corresponding with fresh vegetable end air inlet (1) offers fresh vegetable end air vent (4) and salted Brassicae siccus
The corresponding position in end air inlet (2) offers salted Brassicae siccus end air vent (5), and fresh vegetable end air vent, salted Brassicae siccus end air vent pass through heat
Airduct (11) is connected with dampness air vent (7)；Described dampness air vent (7) passes through entering of warm-air pipe (11) and hot air boiler
QI KOU is connected.
6. U according to claim 5 " font dry baking tunnel it is characterised in that：Described "U" shaped dry baking tunnel also wraps
Include a divider wall (10), positioned at the outside of "U" shaped pipeline (6) and be placed in the inside of its turn of bilge, by fresh vegetable end air inlet
(1), salted Brassicae siccus end air inlet (2) separates, thus hot-air is separated, being formed processes raw material has different leading between product
Road.
7. U according to claim 5 " font dry baking tunnel it is characterised in that：Described dampness air vent (7) is discharged
Low grade fever air enters in hot air boiler (9), the heated dry air interior with it mix after through heating, by warm-air pipe (11) importing " U " word
Form loop in shape pipeline (6), realize the recycling of waste heat.
8. U according to claim 5 " font dry baking tunnel it is characterised in that：Described warm-air pipe (11) is stainless steel
The thermal conductive pipe of matter, caliber is 60cm.
9. U according to claim 5 " font dry baking tunnel it is characterised in that：Described fresh vegetable end air vent (4), salted Brassicae siccus
End air vent (5) and dampness air vent (7) are all equipped with an exhaust fan.
10. U according to claim 5 " font dry baking tunnel it is characterised in that：Described go-cart (3) adopts track hydraulic pressure
Method carry out inside the "U" shaped pipeline (6).
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| CN201611143160.7A CN106387734A (en) | 2016-12-07 | 2016-12-07 | Method and device for drying and processing of porphyra haitanensis |
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| CN106798270A (en) * | 2017-03-23 | 2017-06-06 | 宁波大学 | The hot water constant temperature drying and processing method and device of a kind of porphyra haitanensis |
| CN115152968A (en) * | 2017-07-19 | 2022-10-11 | 福建省霞浦县陈德光海产品贸易有限公司 | Laver processing and forming method |
| CN116447853A (en) * | 2023-06-14 | 2023-07-18 | 福建宸星食品有限公司 | Drying device for laver processing and application of drying device in laver processing |
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Application publication date: 20170215 |