CN102283047A

CN102283047A - Solar heat slow-release shed framework

Info

Publication number: CN102283047A
Application number: CN2011101533052A
Authority: CN
Inventors: 孙德斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-08
Filing date: 2011-06-08
Publication date: 2011-12-21
Anticipated expiration: 2031-06-08
Also published as: CN102283047B

Abstract

The invention discloses a solar heat slow-release shed framework which is manufactured by the following steps of: internally embedding reinforced steel bars after mixing cement-sand slurry with additives, performing compression molding forming and solidifying. An outer layer covers the outer surface of the solar heat slow-release shed framework, and the additives comprise perlite and heat-conducting crushed metal powder. The solar heat slow-release shed framework disclosed by the invention is not only a supporting beam of a whole shed, but also an energy storage library of solar heat and a heat sink capable of preventing the temperature drop in the night; and in addition, a plurality of shed frames in a whole solar greenhouse can effectively restrain the trend of the temperature drop of the greenhouse in the night, thus crops planted in the greenhouse have more stable and more suitable growth environment.

Description

Solar thermal energy slowly-releasing canopy skeleton

Technical field

What the present patent application related to is the canopy frame member of greenhouse by solar heat.

Background technology

Greenhouse by solar heat already is most widely used at agricultural cultivation, and the plastic greenhouse that is otherwise known as especially provides wrong season or anti-season agricultural product in low temperature season, and horn of plenty civic " vegetables-basket " made very big contribution.At night, plastic greenhouse need be added a cover the heat holding curtain insulation, reduces heat energy heat dissipation speed as much as possible.Existing plastic greenhouse structure all is that single dependence absorbs daylight heat energy, heat holding curtain insulation at night prolongs the duration of booth space temperature.But be to be difficult to the lasting temperature drop of keeping out the period at night change in the middle of the reality, cause growth cycle to be extended even hinder seedling, plant the family for this reason and can in plastic greenhouse, install hot-blast stove additional, increased the greenhouse operating cost greatly, also have hidden fire-fighting danger, the administrative burden of planting the family simultaneously increases the weight of.In the existing greenhouse by solar heat building element, it mainly is according to having good supporting intensity that the manufactured materials of canopy skeleton is selected, do not reduce simultaneously daylighting area as much as possible and be principle, adopt irony or steel skeleton or rubber and plastic skeleton etc. usually, these members only play single canopy supporting role.The Chinese patent technology: the patent No. is 200620090920.8 " heated type big-canopy framework ", the upper and lower string that the Component Design of its big-canopy framework is provided with the band water route to provide required heat energy for booth, the extra operation and maintenance burden that this structure exists, the hot water source still will rely on combustion furnace.

Summary of the invention

The goal of the invention of the present patent application be to provide a kind of with the canopy skeleton make daytime be the heat energy reserve bank that receives sunlight heat energy, night slowly-releasing heat energy, control the solar thermal energy slowly-releasing canopy skeleton of period at night greenhouse temperature drop trend voluntarily.The solar thermal energy slowly-releasing canopy skeleton technical scheme that the present patent application provides, its major technique content is: a kind of solar thermal energy slowly-releasing canopy skeleton, it is made by burying reinforcing bar compression molding curing in the following additive of cement sandstone slurry mixing, canopy skeleton outer surface is coated with skin, rubble in the cement sandstone slurry is no more than the black granite stones piece of 1-2cm for the crushed particles diameter, described additive comprises perlite and heat-conducting type metal flour, the perlite consumption is 20～30% of cement sandstone and a perlite cumulative volume, heat-conducting type metal flour is 3～7% of cement sandstone and a perlite gross weight, described skin is epoxy resin and polyamide curing agent, be coated in canopy skeleton outer surface after carbon black powder evenly mixes and form, the carbon black powder consumption should reach the black that makes skin present heat-absorbing action.

In above-mentioned overall technical architecture, the optional cylinder iron flour of described metal flour, aluminium powder or metallic silicon power, cast iron flour wherein and aluminium powder can adopt the broken corner of industry cutting.

The solar thermal energy slowly-releasing canopy skeleton technical scheme that the present patent application provides, be mainly cement sandstone structure canopy frame member, its outsourcing is covered with heat energy slowly-releasing skin, and it is not only the brace summer of whole plastic greenhouse, it still be sunlight heat energy the energy storage storehouse, resist the slowly-releasing radiator of temperature drop at night.In its composition material, the perlite quality is light, alleviated canopy skeleton weight load, black granite stones piece and perlite outer surface all are irregularly shaped, strengthened the bond area of its particle and cement, improved adhesive strength, make it be easy to reach the tensile strength and the bending strength of shack frame structure, wherein utilize the heat-conductive characteristic of metal flour again, the heat-absorbing energy-accumulating characteristic of black granite, perlitic energy storage performance and outer heat energy slowly-releasing control performance that the microvoid gap is abundant, by day, solar thermal energy is received as much as possible, store to the canopy frame member, be that each root canopy skeleton self all is one huge " heat storage ", continue the decline period at night in temperature, this " heat storage " becomes " radiator " of a heat energy slowly-releasing again, with the outwards slowly heat exchange heat release that the heat that is stored continues, its heat-sinking capability is more stable and lasting, makes the interior space environment temperature of canopy can keep constant relatively for a long time.Many canopy skeletons can effectively be controlled the greenhouse in period at night temperature drop trend in the greenhouse by solar heat structure, need not more greenhouse temperature and safeguard operating cost, make the kind plant in the greenhouse have growing environment more stable, preferably, for shorten the plant growth cycle, realize high yield, increase income, the agricultural product high benefit sells the condition of having created.

Description of drawings

Accompanying drawing is the section profile of this solar thermal energy slowly-releasing canopy skeleton.

Embodiment

The disclosed solar thermal energy slowly-releasing of the present patent application canopy skeleton, compression molding curing was made after it mixed following additive by cement sandstone slurry, buried in the canopy skeleton 1 and was shaped on one or more stiffener 2, and canopy skeleton outer surface is coated with skin 3, as shown in drawings.The rubble of cement sandstone slurries is no more than the black granite stones piece of 1-2cm for the crushed particles diameter, and cement sandstone slurry ratio is routinely mixed.Described additive comprises perlite and heat-conducting type metal flour, and the perlite consumption is for adding 20～30% of cement sandstone cumulative volume amount behind the perlite, and heat-conducting type metal flour consumption is for adding 3～7% of cement sandstone gross weight behind the perlite.Perlite has numerous air void structures, has played insulation, accumulation of heat effect in composite material.Under the condition of balance cost and heat conductivility, the heat-conducting type metal powder can be chosen from following material, optional cylinder iron flour, aluminium powder or metallic silicon power, select wherein one or more for use, cast iron flour, aluminium powder can adopt the offcut of industrial machining, conduction of heat by the metal flour with daytime sunlight heat energy mainly be stored in the canopy framework material that comprises black granite stones, and, finish heat energy slowly-releasing control function by canopy skeleton skin mainly by the abundant perlitic energy storage performance in gap.Canopy skeleton skin is an epoxy resin and the outer surface formation that is coated in the canopy skeleton after polyamide curing agent, carbon black powder evenly mix, carbon black powder consumption wherein should make skin present the black trend of heat-absorbing action, the consumption of carbon black powder can be controlled in the 20-30% of total cladding material weight in the practice, also can add an amount of thinners such as phenmethylol and adjust dilution factor.In order to make superficies present uniform convex-concave matsurface, increase the absorption area of heat, equally also have bigger area of dissipation, in cladding material, also be added with magnet powder, itself has heat-absorbing action, mixes simultaneously in the cladding material, can the natural small convex-concave rough surface of formation.This canopy skeleton has heat-absorbing energy-accumulating and heat energy slow-release function.

Claims

1. solar thermal energy slowly-releasing canopy skeleton, it is made by burying reinforcing bar compression molding curing in the following additive of cement sandstone slurry mixing, it is characterized in that canopy skeleton outer surface is coated with skin, rubble in the cement sandstone slurry is no more than the black granite stones piece of 1-2cm for the crushed particles diameter, described additive comprises perlite and heat-conducting type metal flour, the perlite consumption is 20～30% of cement sandstone and a perlite cumulative volume, heat-conducting type metal flour is 3～7% of cement sandstone and a perlite gross weight, described skin is epoxy resin and polyamide curing agent, be coated in canopy skeleton outer surface after carbon black powder evenly mixes and form, the carbon black powder consumption should reach the black that makes skin present heat-absorbing action.

2. solar thermal energy slowly-releasing canopy skeleton according to claim 1 is characterized in that described metal flour selects at least a in cast iron flour, aluminium powder or the metallic silicon power for use.

3. solar thermal energy slowly-releasing canopy skeleton according to claim 1 is characterized in that the carbon black powder consumption accounts for the 20-30% of cladding material gross weight.

4. solar thermal energy slowly-releasing canopy skeleton according to claim 1 is characterized in that being added with in the cladding material the dilution phenmethylol thinner of adjustment.

5. solar thermal energy slowly-releasing canopy skeleton according to claim 1 is characterized in that being added with in the cladding material and makes superficies be the magnet powder of matsurface.