CN106465655A - A kind of method of the board-like straw biological seedling raising ground substance of dry process - Google Patents
A kind of method of the board-like straw biological seedling raising ground substance of dry process Download PDFInfo
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- CN106465655A CN106465655A CN201610795712.6A CN201610795712A CN106465655A CN 106465655 A CN106465655 A CN 106465655A CN 201610795712 A CN201610795712 A CN 201610795712A CN 106465655 A CN106465655 A CN 106465655A
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Abstract
A kind of method of the board-like straw biological seedling raising ground substance of dry process, a kind of its method of straw seedling raising ground substance.Solve the problems, such as that current straw added value is low, consumption is few, resource is wasted.Preparation method：First, straw cutting steaming and decocting softens；2nd, grind rubbing, be dried；3rd, material metering, mixing；4th, mat formation；5th, hot-forming.Straw is made the theory that seedling raising ground substance meets straw-returning by the present invention, the nutrient substance in straw can be effectively utilized and quickly become organic, realize recycling of resource, decrease the interdependency to chemical fertilizer while necessary nutritional labeling is provided, reduce production and use cost, the base materialization for stalk comprehensive utilization provides a kind of industrialized production new model.
Description
Technical field
The present invention relates to a kind of method of straw seedling raising ground substance.
Background technology
Straw is the general name of ripe crops stem and leaf (fringe) part.It is often referred to Semen Tritici aestivi, Oryza sativa L., Semen Maydiss, potato class, Brassica campestris L, cotton
Flower, Caulis Sacchari sinensis and other crops (usually coarse grain) remainder after harvesting seed.The photosynthetic product of crops has
More than half is present in straw, and straw is rich in nitrogen, phosphorus, potassium, calcium, magnesium and organic matter etc.；But due to China's grain-production scale
Greatly, straw quantity is many, except the crushed also field of a small amount of straw, biomass power generation, pasture, heap make compost outer, most because attached
Value added low not being used appropriately and directly burn.The gas that burning straw is generated has to air and greatly endangers：Increase empty
CO in gas2Content, its CO2Raising ratio be far longer than the ratio of common trees of burning；Increase the inhalable particles of in the air
Thing, is the principal element causing haze weather.How to solve the problems, such as crop straw burning, be stalk comprehensive utilization industrialized production
Problem urgently to be resolved hurrily.
Content of the invention
The present invention is in order to solve the problems, such as that current straw added value is low, consumption is few, resource is wasted, and the one kind providing is done
The method of legal system slave board formula straw biological seedling raising ground substance, the base materialization for stalk comprehensive utilization provides a kind of new mould of industrialized production
Formula.
Prepare board-like straw biological seedling raising ground substance according to the following steps：
First, by straw cutting, then sent in steaming and decocting cylinder using plunger spiral way and carry out steaming and decocting softening；
2nd, the straw softening through step one steaming and decocting is ground and crumple into stalk fibre, be then dried；
3rd, feeding table after a part of dried stalk fibre and solid adhesive, solid water-retaining agent being mixed in proportion
Layer stock bin；Another part is protected with Solid nutritional agent, trace element, solid adhesive, solid through dried stalk fibre
Water preparation, solid additive send into sandwich layer feed bin after being mixed in proportion；
4th, mated formation board-like straw biological seedling raising ground substance slab with the compound in feed bin；
5th, carry out hot-forming after slab precompressed, that is, obtain board-like straw biological seedling raising ground substance；
Wherein, described in step 4, board-like straw biological seedling raising ground substance slab is made up of 2 top layers and 1 sandwich layer, sandwich layer
Between two top layers；The pavement thickness on 2 top layers respectively accounts for the 10%～25% of whole plate blank paving gross thickness, the paving of sandwich layer
Dress thickness accounts for the 50%～80% of whole plate blank paving gross thickness；
In step 3, stalk fibre used is in threadiness or powder, solid adhesive, solid additive, solid water conservation
Agent, Solid nutritional agent and trace element are solid powdery；
Solid additive described in step 3 is made up of microorganism formulation, turfy soil, solid acid and Vermiculitum；
In step 5, hot pressing temperature is 100～180 DEG C, and hot pressing time is 3～8 minutes, and hot pressing pressure is 0.5～15MPa.
Straw is made the theory that seedling raising ground substance meets straw-returning by the present invention, can effectively utilize the nutrition in straw
Material, realizes recycling of resource, decreases the interdependency to chemical fertilizer, reduce life while providing necessary nutritional labeling
Produce and use cost.
After grain harvesting, discarded straw is made substrate according to the method for the present invention, be just used for seedling, meet the time
Rule, decreases the loss of nutritional labeling in straw.
Straw usage amount of the present invention is big, and the straw consumption of every production line is 5～20 tons, and added value is high, can be effectively
Transfer the enthusiasm of peasant, to promoting resource reutilization, mitigation atmospheric pollution, there is huge effect.
The board-like straw biological seedling raising ground substance of the inventive method preparation needs to water when using, and top layer has filtration,
Nutrient, nutrient substance are retained in substrate, only allow moisture penetration go over, control and keep sandwich layer Solid nutritional agent,
Additive and trace element do not run off, it is to avoid the problem that in substrate, nutritional labeling runs off with current.And, the inventive method system
Standby board-like straw biological seedling raising ground substance is divided into three layers, and there is top layer both sides, using more convenient it is not necessary to distinguish positive and negative.
The present invention utilizes straw to replace traditional cover soil, has reproducible advantage.The plate that the inventive method produces
MOR when formula straw biological seedling raising ground substance (as shown in Figure 1) does not absorb water is 21～22.8MPa, internal bond strength is 0.35
～0.40MPa, intensity is high, be not easily broken and damage it is easy to cut, and can be fabricated to different shape it can also be used to garden shaping.This
The board-like straw biological seedling raising ground substance that inventive method produces has that water absorption is strong, water conservation time length, meet water after volume can be swollen rapidly
Swollen 2～6 times.While water suction, the solid organic biomass adhesive in board-like straw biological seedling raising ground substance dissolves, board-like straw
Biological seedling raising ground substance becomes that quality is softer, has using the sowing of seed and the growth of root system and breathing.Matrix nutrition enriches,
The rudiment of seed can be promoted, emerge and grow, seedling later stage fertilizer efficiency persistently, improves more than 2% emergence rate than traditional soil moved in improve the original nursery,
And well developed root system, increase by more than 30% (as shown in Figures 2 and 3) than traditional soil moved in improve the original nursery root system.
Brief description
Fig. 1 is the board-like straw biological seedling raising ground substance product picture of the inventive method preparation.
Fig. 2 is the effect cultivating rice seedling using the board-like straw biological seedling raising ground substance of the inventive method preparation.
Fig. 3 is the root growth feelings cultivating rice seedling using the board-like straw biological seedling raising ground substance of the inventive method preparation
Condition figure.
Specific embodiment
Technical solution of the present invention is not limited to act specific embodiment set forth below, also includes between each specific embodiment
Combination in any.
Specific embodiment one：Present embodiment prepares board-like straw biological seedling raising ground substance according to the following steps：
First, by straw cutting, then sent in steaming and decocting cylinder using plunger spiral way and carry out steaming and decocting softening；
2nd, the straw softening through step one steaming and decocting is ground and crumple into stalk fibre, be then dried；
3rd, feeding table after a part of dried stalk fibre and solid adhesive, solid water-retaining agent being mixed in proportion
Layer stock bin；Another part is protected with Solid nutritional agent, trace element, solid adhesive, solid through dried stalk fibre
Water preparation, solid additive send into sandwich layer feed bin after being mixed in proportion；
4th, mated formation board-like straw biological seedling raising ground substance slab with the compound in feed bin；
5th, carry out hot-forming after slab precompressed, that is, obtain board-like straw biological seedling raising ground substance；
6th, through cross type cutting machine will be hot-forming after board-like straw biological seedling raising ground substance cut into required for seedling
Product size；
Wherein, described in step 4, board-like straw biological seedling raising ground substance slab is made up of 2 top layers and 1 sandwich layer, sandwich layer
Between two top layers；The pavement thickness on 2 top layers respectively accounts for the 10%～25% of whole plate blank paving gross thickness, the paving of sandwich layer
Dress thickness accounts for the 50%～80% of whole plate blank paving gross thickness；
In step 3, stalk fibre used is in threadiness or powder, solid adhesive, solid additive, solid water conservation
Agent, Solid nutritional agent and trace element are solid powdery；
Solid additive described in step 3 is made up of microorganism formulation, turfy soil, solid acid and Vermiculitum；
In step 5, hot pressing temperature is 100～180 DEG C, and hot pressing time is 3～8 minutes, and hot pressing pressure is 0.5～15MPa.
In present embodiment step 5, heating press system is formed by by loader, hot press and unloader, loader,
The gap of hot press and unloader is opened shelves and is 50～150mm, and the number of plies of loader, hot press and unloader is 10～80
Layer.
Solid adhesive is selected from Oxytarch, cellulose, soybean biological glue and lignin.
Present embodiment is first mated formation one layer of top layer material (conveying from top layer feed bin), then mats formation on the material of ground floor top layer
One layer of core layer material (conveying from sandwich layer feed bin), then second layer top layer material (conveying from top layer feed bin) of mating formation on core layer material.
Present embodiment method does not produce industrial wastewater, free from environmental pollution；Suitable large-scale production, efficiency high, low cost,
Achievable industrial-scale production.
The board-like straw biological seedling raising ground substance of present embodiment preparation need not secondary fertilising or administration nutrient.
Present embodiment adopts hot press forming technology, and the mode that is mixed is simple, be uniformly dispersed, and equipment investment is few, simple to operate
Advantage；And it is uneven to avoid liquid adhesive dispersion, host material easily reunites, easily cause seedling raising ground substance nutritional labeling and
Intensity is uneven, the unstable problem of quality.Also eliminate and need additionally to increase the cost of equipment from spray, complex operation,
The problems such as process time is long.
Present embodiment is dry production, and preparing material therefor is all solid fiber shape or powder, is easy to stir,
Facilitate production and processing, the board-like straw biological seedling raising ground substance produced is homogeneous, steady quality.Board-like due to constituting the present invention
Straw biological seedling raising ground substance all material in process of manufacture is solid fiber shape or powder, in metering stirring mixing
And in hot pressing, all nutritional labelings can be added in the core, overcome and can not add during wet production
The drawbacks of all nutritional labelings, it is ensured that whole nutritional labelings required for plant growing, makes board-like straw biological seedling raising ground substance
There is full nutritional character.Further, since the material constituting the board-like straw biological seedling raising ground substance of the present invention is all solid powdery,
So non-volatile in process, more environmentally friendly, workers ' health is no affected；And, because being all solid moisture-free,
Also be not in the problem that substrate expands because of water suction in process.
Grind rubbing after steaming and decocting straw surface relatively evenly can be present between fibrocyte and between cell layers originally
Lignin fusing cracking can occur, the lignin of cracking is in the violent effect spurted discharge frictional force and spurt expansive force
Under, compact texture is opened, and is substantially tended to fiber fines shape, surface by the stalk of autoclaved, softening cracking
Long-pending expansion, part polymer substance regenerates through second pyrolysises under high temperature, high pressure, super-humid conditions, and its water-retaining property is substantially improved
And water absorption.
Through measuring and calculating, the minimum production capacity of every production line of present embodiment is to produce 30000000 disk base materials per year, can consume 50,000 tons
Agricultural crop straw becomes organic also field；Highest production capacity can reach annual output 100000000 disk base materials, can consume 200,000 tons of agricultural crop straws
Become organic also field.
Specific embodiment two：The difference from specific embodiment one for the present embodiment is：Solid nutritional agent is compound
Fertilizer, Solid nutritional agent is 1 with the mass ratio of trace element：1.5～4.Other steps and parameter are identical with embodiment one.
Specific embodiment three：The difference from specific embodiment one or two for the present embodiment is：Cut in step one
Disconnected straw pressure be 0.3～1.5MPa, temperature be 110 DEG C～180 DEG C under conditions of steaming and decocting soften 2～6 minutes.Other steps
Rapid and parameter is identical with embodiment one or two.
Steaming and decocting carries out high temperature sterilization to straw pythium spp while softening.
Specific embodiment four：The difference from one of specific embodiment one to three for the present embodiment is：Step 2 is ground
Mill rubbing adopts stalk fibre pyrolysis recycle machine, and stalk fibre pyrolysis recycle owner will be by one group of Moving plate carrying flute profile and one group
Quiet disk composition with flute profile, and it is arranged on Moving plate and the flute profile device of quiet disk is detachable；It is passed through temperature during grinding rubbing
For 110 DEG C～180 DEG C of steam, grinding rubbing pressure is 0.3～1.5MPa.Other steps and parameter and embodiment one to three
One of identical.
Specific embodiment five：The difference from one of specific embodiment one to four for the present embodiment is：Slab unit
In thickness, the consumption of stalk fibre, solid adhesive and solid additive is identical.Other steps and parameter and embodiment one to
One of four is identical.
Specific embodiment six：The difference from one of specific embodiment one to five for the present embodiment is：Straw in slab
Stalk fiber accounts for that more than the 60% of gross mass, solid adhesive accounts for the 2%～5% of gross mass, Solid nutritional agent and trace element accounts for
The 2%～12% of gross mass, solid additive accounts for the 8%～20% of gross mass, solid water-retaining agent account for gross mass 0.5%～
3%..One of other steps and parameter and embodiment one to five are identical.
Specific embodiment seven：The difference from one of specific embodiment one to six for the present embodiment is：Step one is adopted
With horizontal constant temperature steaming and decocting cylinder, in horizontal constant temperature steaming and decocting cylinder, there is one group of spiral pushing device, uniform from low to high along input and output material direction
The straw of steaming and decocting is delivered to stalk fibre cracking mechanism by ground, and the gradient degree of horizontal steaming and decocting cylinder is more than 5～30 degree.Other steps and
One of parameter and embodiment one to six are identical.
Specific embodiment eight：The difference from one of specific embodiment one to seven for the present embodiment is：Step 2 straw
Stalk fiber drying adopts whirlwind drier, straw fine for moisture control 5%～12%.Other steps and parameter and enforcement
One of mode one to seven is identical.
Specific embodiment nine：The difference from one of specific embodiment one to eight for the present embodiment is：Step one post
Plug feed screw structure is to be inserted in batter post plug spiral and formed by cone plug pipe from big to small along straw feedstock direction, makes
Straw forms thromboembolism under the thrust of plunger spiral and is then sent through steaming and decocting cylinder, and cone angle is more than 3～15 degree.Other steps
And one of parameter and embodiment one to eight are identical.
Specific embodiment ten：The difference from one of specific embodiment one to nine for the present embodiment is：Step 2 straw
Stalk fiber drying mode adopts cylindrical drier, and the moisture control of stalk fibre is 5%～12%.Other steps and parameter
Identical with one of embodiment one to nine.
Embodiment 1
Prepare board-like straw biological seedling raising ground substance according to the following steps：
First, by straw cutting, then sent in steaming and decocting cylinder using plunger spiral way and carry out steaming and decocting softening；
2nd, the straw softening through step one steaming and decocting is ground and crumple into stalk fibre, be then dried；
3rd, feeding table after a part of dried stalk fibre and solid adhesive, solid water-retaining agent being mixed in proportion
Layer stock bin；Another part is protected with Solid nutritional agent, trace element, solid adhesive, solid through dried stalk fibre
Water preparation, solid additive send into sandwich layer feed bin after being mixed in proportion；
4th, mated formation board-like straw biological seedling raising ground substance slab with the compound in feed bin；
5th, carry out hot-forming after slab precompressed, that is, obtain board-like straw biological seedling raising ground substance；
6th, through cross type cutting machine will be hot-forming after board-like straw biological seedling raising ground substance cut into required for seedling
Product size；
Wherein, described in step 4, board-like straw biological seedling raising ground substance slab is made up of 2 top layers and 1 sandwich layer, sandwich layer
Between two top layers；The pavement thickness on 2 top layers respectively accounts for the 10% of whole plate blank paving gross thickness, the pavement thickness of sandwich layer
Account for the 80% of whole plate blank paving gross thickness；
In step 3, stalk fibre used is in threadiness or powder, solid adhesive, solid additive, solid water conservation
Agent, Solid nutritional agent and trace element are solid powdery；
Solid additive described in step 3 is made up of microorganism formulation, turfy soil, solid acid and Vermiculitum；
In step 5, hot pressing temperature is 110 DEG C, and hot pressing time is 4 minutes, and hot pressing pressure is 0.8MPa；
In step 5, heating press system is formed by by loader, hot press and unloader, loader, hot press and unload
The gap of trigger is opened shelves and is 50～150mm, and the number of plies of loader, hot press and unloader is 10～80 layers.
There is one group of spiral pushing device, along input and output material direction from low to high equably by steaming and decocting in horizontal constant temperature steaming and decocting cylinder
Straw delivers to stalk fibre cracking mechanism, and the gradient degree of horizontal steaming and decocting cylinder is more than 15 degree.
Solid adhesive is Oxytarch；
In step one, plunger feed screw structure is to be inserted in circle by cone plug pipe from big to small along straw feedstock direction
Cone-shaped plunger spiral forms, and makes straw form thromboembolism under the thrust of plunger spiral and is then sent through steaming and decocting cylinder, cone angle
More than 12 degree；Cut-off straw pressure be 0.5MPa, temperature be 150 DEG C under conditions of steaming and decocting soften 4 minutes；
Step 2 is passed through, during grinding rubbing, the steam that temperature is 120 DEG C, and grinding rubbing pressure is 0.4MPa；
In slab stalk fibre account for the 79% of gross mass, solid adhesive account for the 2% of gross mass, Solid nutritional agent with micro
Element accounts for the 8% of gross mass, and solid additive accounts for the 10% of gross mass, and solid water-retaining agent accounts for the 1% of gross mass；
Solid nutritional agent is compound fertilizer, and Solid nutritional agent is 1 with the mass ratio of trace element：3.
Embodiment 2
The difference from embodiment 1 for the present embodiment is：The pavement thickness on 2 top layers respectively accounts for whole plate blank paving gross thickness
20%, the pavement thickness of sandwich layer accounts for the 60% of whole plate blank paving gross thickness；
In step 5, hot pressing temperature is 170 DEG C, and hot pressing time is 6 minutes, and hot pressing pressure is 1.5MPa；
Solid adhesive is lignin；Solid nutritional agent is 1 with the mass ratio of trace element：2；
In step one cut-off straw pressure be 1.2MPa, under conditions of temperature is 130 DEG C steaming and decocting soften 3 minutes；
Step 2 is passed through, during grinding rubbing, the steam that temperature is 150 DEG C, and grinding rubbing pressure is 1.2MPa；
In slab stalk fibre account for the 72% of gross mass, solid adhesive account for the 5% of gross mass, Solid nutritional agent with micro
Element accounts for the 6% of gross mass, and solid water-retaining agent accounts for the 2% of gross mass, and solid additive accounts for the 15% of gross mass.
Embodiment 3
The difference from embodiment 1 for the present embodiment is：The pavement thickness on 2 top layers respectively accounts for whole plate blank paving gross thickness
25%, the pavement thickness of sandwich layer accounts for the 50% of whole plate blank paving gross thickness；
In step 5, heating press system is formed by by loader, hot press and unloader, loader, hot press and unload
The gap of trigger is opened shelves and is 80mm, and the number of plies of loader, hot press and unloader is 18 layers, and hot pressing temperature is 150 DEG C, heat
The pressure time is 3 minutes, and hot pressing pressure is 1MPa；
Solid adhesive is soybean biological glue；Solid nutritional agent is 1 with the mass ratio of trace element：3；
In step one cut-off straw pressure be 1.4MPa, under conditions of temperature is 160 DEG C steaming and decocting soften 5 minutes；
Step 2 is passed through, during grinding rubbing, the steam that temperature is 170 DEG C, and grinding rubbing pressure is 1MPa；
In slab stalk fibre account for the 61.5% of gross mass, solid adhesive account for the 8% of gross mass, Solid nutritional agent with micro-
Secondary element accounts for the 10% of gross mass, and solid water-retaining agent accounts for the 0.5% of gross mass, and solid additive accounts for the 20% of gross mass.
Embodiment 4
The difference from embodiment 1 for the present embodiment is：The pavement thickness on 2 top layers respectively accounts for whole plate blank paving gross thickness
12%, the pavement thickness of sandwich layer accounts for the 76% of whole plate blank paving gross thickness；
In step 5, hot pressing temperature is 100 DEG C, and hot pressing time is 8 minutes, and hot pressing pressure is 0.8MPa；
Solid adhesive is cellulose；Solid nutritional agent is 1 with the mass ratio of trace element：1.5；
In slab stalk fibre account for the 73% of gross mass, solid adhesive account for the 2% of gross mass, Solid nutritional agent with micro
Element accounts for the 5% of gross mass, and solid water-retaining agent accounts for the 2% of gross mass, and solid additive accounts for the 18% of gross mass.
Experiment：
Method according to embodiment 1～4 prepares the board-like straw biological seedling base of the industrialized production that thickness is 5mm
Matter, be then cut into length be 555mm, the width board-like straw biological seedling raising ground substance of industrialized production that is 255mm carry out water
Rice seedling is tested.
Strength test：
The board-like straw biological seedling raising ground substance plate face of industrialized production is in 45 ° of placements, end thereof contacts ground, then will not
The shot of homogenous quantities falls at 1 meter above the board-like straw biological seedling raising ground substance plate face of industrialized production, the industrial metaplasia of impact
The board-like straw biological seedling raising ground substance plate face central authorities producing, the board-like straw biological seedling raising ground substance of record industrialized production can bear
Maximum shot quality, the MOR of board-like straw biological seedling raising ground substance of measurement industrialized production and internal bond strength simultaneously,
Result be MOR be 21～22.8MPa, internal bond strength be 0.35～0.40MPa.
Emergence rate is tested：
The board-like straw biological seedling raising ground substance of the industrialized production of the present invention is placed in rice seedling nursing disc, waters and make it
Rapid expansion, then the rice paddy seed after Steeping and budding is sowed the industrialized production in the present invention with Oryza sativa L. seeding plough
Board-like straw biological seedling raising ground substance on, then surface cladding thickness be 5mm～7mm about table soil, then overlay film, wait to emerge
Afterwards overlay film is taken off, then watered according to substrate water conservation degree, and watered once every 3～5 days.Observe germination percentage, life
Long rate, seedling-growing time, packing effect, rice shoot later stage fertilizer and experiment 15～20 days after measure Miao Hegen, experimental result is
The Seedling time is 7 days, and emergence rate is more than 99.7%, and rate of growth is 100%, 15 days root lengths are 32～34mm, Seedling length 5～
7.0cm, 20 days root lengths are 54～57mm, Seedling length 12.3～12.6cm.Later stage does not take off fertilizer.
Water absorption and water-retaining property experiment：
Seedling raising ground substance is put in water, absorbent time is 5 minutes, measures water absorption and thickness change；Again by after water suction
Seedling raising ground substance is put and is exposed to the sun in the sun 30 minutes, measures mass change.Experimental result water-retaining property is more than 94.4%.
Claims (9)
1. a kind of method of the board-like straw biological seedling raising ground substance of dry process is it is characterised in that prepare board-like straw according to the following steps
Biological seedling raising ground substance：
First, by straw cutting, then sent in steaming and decocting cylinder using plunger spiral way and carry out steaming and decocting softening；
2nd, the straw softening through step one steaming and decocting is ground and crumple into stalk fibre, be then dried；
3rd, send into top layer material after a part of dried stalk fibre and solid adhesive, solid water-retaining agent being mixed in proportion
Storehouse；By another part through dried stalk fibre and Solid nutritional agent, trace element, solid adhesive, solid water-retaining agent,
Solid additive sends into sandwich layer feed bin after being mixed in proportion；
4th, mated formation board-like straw biological seedling raising ground substance slab with the compound in feed bin；
5th, carry out hot-forming after slab precompressed, that is, obtain board-like straw biological seedling raising ground substance；
Wherein, described in step 4, board-like straw biological seedling raising ground substance slab is made up of 2 top layers and 1 sandwich layer, and sandwich layer is located at
Between two top layers；The pavement thickness on 2 top layers respectively accounts for the 10%～25% of whole plate blank paving gross thickness, the thickness of mating formation of sandwich layer
Degree accounts for the 50%～80% of whole plate blank paving gross thickness；
In step 3, stalk fibre used is in threadiness or powder, solid adhesive, solid additive, solid water-retaining agent, solid
Body nutrient and trace element are solid powdery；
Solid additive described in step 3 is made up of microorganism formulation, turfy soil, solid acid and Vermiculitum；
In step 5, hot pressing temperature is 100～180 DEG C, and hot pressing time is 3～8 minutes, and hot pressing pressure is 0.5～15MPa.
2. a kind of method of the board-like straw biological seedling raising ground substance of dry process according to claim 1 is it is characterised in that step
In rapid one cut-off straw pressure be 0.3～1.5MPa, under conditions of temperature is 110 DEG C～180 DEG C steaming and decocting soften 2～6
Minute.
3. a kind of method of the board-like straw biological seedling raising ground substance of dry process according to claim 1 is it is characterised in that step
It is passed through, during rapid two grinding rubbings, the steam that temperature is 110 DEG C～180 DEG C, grinding rubbing pressure is 0.3～1.5MPa.
4. a kind of method of the board-like straw biological seedling raising ground substance of dry process according to claim 1 is it is characterised in that plate
In base unit thickness, stalk fibre, solid adhesive are identical with the consumption of solid water-retaining agent.
5. a kind of method of the board-like straw biological seedling raising ground substance of dry process according to claim 1 is it is characterised in that plate
In base stalk fibre account for more than the 60% of gross mass, solid adhesive account for the 2%～5% of gross mass, Solid nutritional agent with micro
Element accounts for the 2%～12% of gross mass, and solid additive accounts for the 8%～20% of gross mass, and solid water-retaining agent accounts for gross mass
0.5%～3%.
6. a kind of method of the board-like straw biological seedling raising ground substance of dry process according to claim 1 is it is characterised in that step
Rapid one adopts horizontal constant temperature steaming and decocting cylinder.
7. a kind of method of the board-like straw biological seedling raising ground substance of dry process according to claim 1 is it is characterised in that step
Rapid two grind rubbing adopts stalk fibre pyrolysis recycle machine, and stalk fibre pyrolysis recycle owner will be by one group of Moving plate with flute profile
The quiet disk carrying flute profile with one group forms.
8. a kind of method of the board-like straw biological seedling raising ground substance of dry process according to claim 1 is it is characterised in that step
Rapid two be dried after stalk fibre moisture control 5%～12%.
9. a kind of method of the board-like straw biological seedling raising ground substance of dry process according to claim 1 is it is characterised in that step
Rapid two are dried stalk fibre adopts whirlwind drier or cylindrical drier.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109336668A (en) * | 2018-08-23 | 2019-02-15 | 刘丰恺 | The extraction process of rice seedling raising ground substance plate cellulose |
| CN111837782A (en) * | 2020-07-31 | 2020-10-30 | 广西壮族自治区林业科学研究院 | Camellia oleifera seedling growing method |
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| CN101690458A (en) * | 2009-09-08 | 2010-04-07 | 左彬元 | Rice seedling raising plate and rice seedling transplantation device using same |
| CN103960115A (en) * | 2014-05-21 | 2014-08-06 | 南京农业大学 | Rice seedling raising soilless board and application of rice seedling raising soilless board in field of rice soilless machine transplanting |
| CN104230572A (en) * | 2014-09-23 | 2014-12-24 | 刘�英 | Industrially-produced plate-type soilless seedling-cultivating matrix and preparation method thereof |
| CN105165466A (en) * | 2015-10-30 | 2015-12-23 | 佳木斯大学 | Preparation method for total-degradation layer-structured rice seedling-growing tray |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109336668A (en) * | 2018-08-23 | 2019-02-15 | 刘丰恺 | The extraction process of rice seedling raising ground substance plate cellulose |
| CN111837782A (en) * | 2020-07-31 | 2020-10-30 | 广西壮族自治区林业科学研究院 | Camellia oleifera seedling growing method |
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