CN202958323U

CN202958323U - Solar greenhouse

Info

Publication number: CN202958323U
Application number: CN2012207084714U
Authority: CN
Inventors: 陈殿贵
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-12-20
Filing date: 2012-12-20
Publication date: 2013-06-05
Anticipated expiration: 2022-12-20

Abstract

The utility mode provides a solar greenhouse, particularly a thermal insulating and energy saving type solar greenhouse which is suitable for most regions of northern China. The solar greenhouse comprises a north wall structure, an east side gable wall, a west side gable wall, a rear slope structure and a front slope structure and the north wall structure, the east side gable wall, the west side gable wall and the front slope structure are all connected with the ground through a damp-proof layer and a concrete cushion layer. The solar greenhouse has the advantage of being capable of solving the problem that the thermal storage capability of solar greenhouses is poor in prior art.

Description

A kind of greenhouse by solar heat

Technical field

The application relates to a kind of greenhouse by solar heat, relates in particular to a kind of heat-preserving energy-saving type greenhouse by solar heat.

Background technology

In current agricultural production, the protection facility of area maximum is greenhouse by solar heat and big arch shed, and greenhouse by solar heat is that protective condition is best, can the anniversary carry out agricultural production, and big arch shed takes second place, but is difficult to carry out produce in the anniversary, and especially the severe winter is difficult to produce.Therefore, in the northern China most area, greenhouse by solar heat is the major way of winter vegetable cultivation, and being widely used of it both solved the problem that north of china in winter is eaten the fresh vegetables difficulty, brought considerable economic benefit to the peasant again.But simultaneously because defective and the input cost of technology are excessive, make many green houses cheaply owing to can't keeping suitable temperature, usually occur making plant can't adapt to low temperature, thereby cause the even phenomenon of total crop failure that drops in production over a large area.Simultaneously, the green house that many successes are built is because take stove or the conveying of various heating installation, although improved to a certain extent indoor temperature, but also exist heat supply deficiency, too much, the unequal problem of room temperature of consumption coal, polluted the film of environment and green house, the transparency of film is progressively reduced, the printing opacity in greenhouse, daylighting degree are progressively disappeared, reduce the greenhouse heat-insulating effect.Therefore, above all measures are all totally unfavorable to the protection of ecotope, and long-term promotion conference causes the massive losses of northern area economy and environment.

In greenhouse by solar heat, be mainly the greenhouse to be carried out thermal isolation and heat storage by cob wall, and in cob wall to the accumulation of heat contribution maximum be wherein moisture, the increase of the height of cob wall, thickness, humidity is conducive to insulation and accumulation of heat.As cob wall, humidity can not be too large, humidity too large one be unfavorable for firm, the 2nd, the moisture that easily scatters and disappears, and its height and increase of thickness need a large amount of Tu Yuan supports, not only reduce the availability of land area, also can affect the daylighting effect of north side, greenhouse.Therefore, ensure the means of sunlight indoor temperature, the one, ensure that daytime, sunlight can as often as possible shine into the greenhouse, the 2nd, reasonably control the humidity in the greenhouse.

At present, China greenhouse generally adopts plastic film as transparent cladding material, wherein is divided into polyethylene film, polyvinyl chloride film and ethene-vinyl acetate film by raw material.Be divided into again general thin and a nothing film by performance.So-called add auxiliary agent in resin without dripping a film with exactlying, make the surface tension of film approaching with the surface tension of water, do not form water droplet and form moisture film, suitable film inner surface flows to front footing ground.In addition, also has anti-aging function without dripping film.Therefore, use polyethylene long-lived without dripping film and polyvinyl chloride without dripping the more of film in greenhouse by solar heat.But nothing of the prior art is dripped the problem that film ubiquity light transmittance is low, heat insulating ability is poor, can't solve the effect to the greenhouse by solar heat heat storing and heat preserving.

Summary of the invention

One of purpose of the application provides a kind of greenhouse by solar heat, with the technical problem of north wall structure heat storing and heat preserving ability in greenhouse by solar heat in the solution prior art.

Two of the application's purpose is to provide a kind of greenhouse by solar heat, drips to solve the nothing of using in greenhouse by solar heat in prior art the technical problem that the film light transmittance is low, intensity is low, insulation is poor.

For above-mentioned technical problem.The application provides a kind of greenhouse by solar heat, comprises north wall structure, east side gable, west side gable, adverse grade structure and scarp slope structure.

Further, described north wall structure comprises protective layer, recuperation layer, damp proof insulation layer, thermal insulation layer and the first watertight composition from inside to outside successively.

Further, described adverse grade structure comprises structural slab, concrete layer and the second watertight composition from inside to outside successively.

Further, described scarp slope structure consists of by bow member with without dripping film.

Further, north wall structure, east side gable, west side gable and scarp slope structure all are connected with ground by damp-proof layer, concrete bed course.

For the north wall structure, the thermal isolation and heat storage in greenhouse is mainly by the north wall structure, in order to keep temperature suitable in greenhouse by solar heat, thereby guarantees indoor temperature, and the application provides a kind of north wall structure with sandwich construction.

The application provides a kind of greenhouse by solar heat, north wall structure wherein, and the sandwich construction combination of adopting protective layer, recuperation layer, damp proof insulation layer, thermal insulation layer and the first watertight composition to form, thus make this greenhouse by solar heat have good heat-insulating property.

Wherein protective layer can play absorption daylight, and strengthens the effect of indoor temperature, further; preferred protective layer is mixed in proportion and is formed by black carbon black, cement, grey fine sand; its ratio is generally 1-2: 1-2: 2-4, preferred proportion are 1: 1: 2, and perhaps preferred proportion is 1: 1.5: 4.During use, can form the composition of protective layer by the ratio mixing of design, mixability is not less than 90%, makes and evenly is applied in the recuperation layer surface when closing.

Wherein recuperation layer is also that it is generally built by laying bricks or stones by the sintered clay standard brick and forms for the temperature that keeps in the greenhouse, MU10 for example, and it also can adopt styrofoam, perlite, dry ground, slag to make.

Wherein the damp proof insulation layer is generally that moisture-proof coating or damp-proof paint are coated on material, and it is simple that it has application, alternative strong advantage.

Wherein thermal insulation layer is generally selected extruded sheet or the styrofoam of moulding, and it has easy for installation, the effect that thermal insulation is effective.

Wherein the first watertight composition is formed by materials such as being coated in lip-deep water-repellent paint, underwater paint, and its manufacture method is also fairly simple.

Generally, when making greenhouse by solar heat, can be according to actual conditions, as the land use situation, the daylight situation is regulated the thickness of protective layer, recuperation layer, damp proof insulation layer, thermal insulation layer and the first watertight composition in the north wall structure in greenhouse by solar heat.

For the most area of northern China, because its geographical position has certain particularity, therefore adopt following technical proposal can make greenhouse by solar heat have better performance.

When selecting following scheme, the heat storing and heat preserving of greenhouse by solar heat can be further enhanced.

Further, protective layer thickness is 20mm-30mm, is preferably 21mm-27mm, and more preferably 21mm-24mm, most preferably be 22mm.

Further, recuperation layer thickness is 350mm-400mm, is preferably 355mm-385mm, and more preferably 360mm-375mm, most preferably be 370mm.

Further, the damp proof insulation layer thickness is 0.5mm-5mm, is preferably 0.5mm-3mm, and more preferably 0.8mm-1.5mm, most preferably be 1.2mm.

Further, thermal insulation layer thickness is 80mm-150mm, is preferably 90mm-135mm, and more preferably 95mm-115mm, most preferably be 105mm.

Further, the first waterproofing layer thickness is 15mm-25mm, is preferably 15mm-22mm, and more preferably 18mm-22mm, most preferably be 22mm.

According to conventional thinking; in the north wall structure, each layer thickness is larger; its thermal isolation and heat storage effect is better; yet true really not so; the north wall structure of using protective layer, recuperation layer, damp proof insulation layer, thermal insulation layer and the first watertight composition in the application to form; when the thickness of each interlayer satisfies certain relation, can make its thermal isolation and heat storage effect reach optimum efficiency.

Find to have good heat storage performance in order to ensure the north wall structure by further research and experimentation, further, the thickness of preferred recuperation layer is greater than the thickness sum of protective layer, damp proof insulation layer, thermal insulation layer, the first watertight composition.

Further, the thickness of preferred recuperation layer is greater than the thickness of three times of thermal insulation layers.

Further, the thickness of preferred thermal insulation layer is greater than protective layer, the first waterproofing layer thickness sum, but less than protective layer, the first waterproofing layer thickness sum three times.

Further, preferred protective layer is close with the ratio of the thickness of the first watertight composition, and its ratio is close to 1-1.1: 1-1.3, and most preferably both were close to 1: 1.

Further, the thickness of preferred damp-proof layer is less than protective layer, recuperation layer, thermal insulation layer, the first watertight composition.

Adverse grade structure for greenhouse by solar heat, traditional greenhouse by solar heat has three face wall bodies and one side arc lighting surface to the south, lighting surface night the covering and heat insulating thing to realize insulation, and the application arranges an inclined-plane on the north wall structure, form the adverse grade structure, it is used for rotating night with being incubated thing, walking when perhaps working on the greenhouse for people.Because generally only having scattered light, the adverse grade structure enters, if rear domatic cover film at this moment, the illumination energy that enters the greenhouse is less than through the film dispersed heat, the temperature during cloudy day in the greenhouse is difficult to improve, and in fact because rear wall construction is higher, the rear domatic direct light that do not get all the time in the winter time in greenhouse can only play insulation effect and can't daylighting.And, because rear domatic wider weight is larger, the more difficult shore supports of using, so, narrow adverse grade used in the prior art, perhaps thick and heavy adverse grade structure all is difficult to solve the problems of the technologies described above.The application has proposed to adopt the adverse grade structure of three-decker for the problems referred to above, and namely the adverse grade structure comprises structural slab, concrete layer and the second watertight composition from inside to outside successively.

Wherein structural slab generally can be selected the GMC plate, and its thickness is 5-50mm, preferred 5-10mm.

Wherein the thickness of concrete layer is 1-300mm, is preferably 1-50mm.

Wherein the second watertight composition can be made of modified pitch, and its thickness is 1-200mm, is preferably 1-20mm.

For the setting of east side gable and the west side gable of greenhouse by solar heat, generally be set to substantially vertically with ground, but also can be arranged to ground, certain angle is arranged.For example during less than 90 °, can increase the stability of sunlight greenhouse structure when the angle on east side gable and west side gable and ground.And, can increase the sensitive surface of greenhouse by solar heat, thereby improve the temperature in greenhouse by solar heat during greater than 90 ° when the angle on east side gable and west side gable and ground.Therefore, when reality is used, can regulate according to the situation of reality, and the angle on east side gable and west side gable and ground, can be selected from arbitrarily angled, preferably basically perpendicular to the ground between 85 °-115 °.The setting of east side gable and west side gable is for load-bearing, heat insulation and accumulation of heat, it generally is comprised of cob wall, brick wall, stone walling, also can select the structure identical with the north wall structure, although high insulating effect, but cost increases, therefore, when practical application, can select suitable material to make east side gable and west side gable according to the actual conditions of this locality.

For the scarp slope structure of greenhouse by solar heat, because the topmost origin of heat of greenhouse by solar heat is the daylight on daytime, therefore, in order to obtain best lighting effect, lighting surface is general adopts very thin transparent membrane, and transparent membrane rides on bow member.Greenhouse by solar heat uses polyethylene long-lived without dripping the more of film at present.

In general, add various auxiliary agents in the long-lived formula without dripping film of polyethylene, not only can extend intensity, toughness and the life-span of film, film is had without the characteristics of dripping, but its light transmittance, heat-insulating property are usually lower than polyvinyl chloride.Therefore, in order to solve without dripping the poor problem of film light transmission, the application also provides a kind of to be had the nothing that is specially adapted to greenhouse by solar heat that good anti-fogging property energy, light transmittance, heat-insulating property and intensity all is significantly improved and drips film.

The application provides a kind of greenhouse by solar heat, comprises north wall structure, east side gable, west side gable, adverse grade structure and scarp slope structure.Wherein the scarp slope structure forms by bow member with without dripping film, and the thickness that wherein said nothing is dripped film is 0.1-0.5mm, is preferably 0.1-0.3mm, more preferably 0.1mm.And it is high transparent polyethylene composition that described nothing is dripped film.

Further, described high transparent polyethylene composition comprises matrix resin and auxiliary agent.

Further, the matrix resin in described high transparent polyethylene composition is formed by mLLDPE, the first high pressure LDPE and the second high pressure LDPE blend.

Wherein mLLDPE is the abbreviation of metallocene linear low density polyethylene, and LLDPE refers to LLDPE, and LDPE refers to low density polyethylene (LDPE), and above-mentioned expression way is the usual expression way of affiliated technical field.

Further, the mLLDPE in described matrix resin refers to the hervene copolymer LLDPE that adopts metallocene catalyst to prepare.

Further, the hervene copolymer LLDPE of described employing metallocene catalyst preparation, its comonomer hexene molar content is 0.45-2.75%, Breadth parameter of molecular weight distribution 2-4, melt mass flow rate 0.60-1.90g/10min.

For the ethylene copolymer LLDPE of metallocene catalyst preparation, it is compared with polythene material commonly used, has good transparency, and can keep good toughness at low temperatures.

Yet, if only adopt the hervene copolymer LLDPE of metallocene catalyst preparation, also there is the problem of processing difficulties in the material that obtains, therefore, by further add a certain amount of high pressure LDPE in mLLDPE, with mechanical property and the rheological characteristic of improving the film product.

Further, include the first high pressure LDPE and the second high pressure LDPE in described high transparent polyethylene composition.

Further, the first high pressure LDPE in matrix resin: melt mass flow rate is 1.5-2.5g/10min, density 0.895-0.930g/cm ³, weight average molecular weight 8-12 ten thousand.

Further, the second high pressure LDPE in matrix resin: melt mass flow rate is 0.8-3g/10min, density 0.935-0.955g/cm ³, weight average molecular weight 11-13 ten thousand.

Show by experiment, the mLLDPE in matrix resin, the first high pressure LDPE and the second high pressure LDPE can mix with arbitrary proportion.Its mixed matrix resin not only has good intensity, toughness, processing characteristics, ageing-resistant performance, the most important thing is, also has good light transmission, heat insulating ability.

By further experiment, can further determine the preferred version of matrix resin in high transparent polyethylene composition.That is: in the matrix resin, the parts by weight ratio of the preparation of mLLDPE, the first high pressure LDPE and the second high pressure LDPE is 40-80: 10-35: 10-30.

More preferably, in matrix resin, the parts by weight ratio of the preparation of mLLDPE, the first high pressure LDPE and the second high pressure LDPE is 50-70: 10-25: 10-20.

More preferably, in matrix resin, the parts by weight ratio of the preparation of mLLDPE, the first high pressure LDPE and the second high pressure LDPE is 50-55: 10-15: 11-12.

Most preferably, the ratio of the parts by weight of the first high pressure LDPE and the second high pressure LDPE is 1: 1.1 o'clock, best results.

Wherein for the further selection of mLLDPE, when the degree of branching that adopts mLLDPE is 35-47/10000C, terminal methyl 130-135/10000C, weight average molecular weight 10-15 ten thousand, and density is 0.900-0.920g/cm ³The time, can further improve the combination property of polyethylene composition.

Can further add one or more auxiliary agents, for example antioxidant, flexibilizer, light absorber, light stabilizer in high transparent polyethylene composition.And the consumption of each auxiliary agent is followed successively by antioxidant 0.01-0.05 part with respect to the parts by weight of matrix resin, flexibilizer 0.01-0.05 part, light absorber 0.01-0.03 part, light stabilizer 0.01-0.03 part.

Further, wherein antioxidant is one or both in Hinered phenols antioxidant and phosphite ester kind antioxidant, and preferably both mixed proportion is 1: 1-100, more preferably 1: 1-10.

Further, Hinered phenols antioxidant is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester; Phosphite ester kind antioxidant is three [2,4-di-tert-butyl-phenyl] phosphite ester.

Further, wherein flexibilizer is one or more in haloflex, atoleine, aluminate coupling agent, and preferably three's mixed proportion is 1-100: 1-100: 1-100, and more preferably three's mixed proportion is 1-10: 1-20: 1-20.

Further, wherein light absorber is one or both in benzophenone light absorber and benzotriazole light absorber, and preferably both mixed proportion is 1: 1-100, more preferably 1: 1-20.

Further, wherein light stabilizer is succinic acid and (4-hydroxyl-2,2,6,6-tetramethyl-1-piperidine alcohols) polymer, two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, poly-[[6-[(1,1,3,3-tetramethyl butyl) amine]-1,3,5-triazine-2,4-two bases] [(2,2,6,6-tetramethyl-4-piperidines) imines]-1,6-two dihexyls [(2,2,6,6-tetramethyl-4-piperidines) imines]]] in a kind of or its combination.

Further, the ratio of the material formulation that limits in this application, the umber of material and material is all measured with unit of weight.

And drip the preparation method of film for the nothing in the application, and can adopt method preparation conventional in prior art: i.e. batching, mix, melt extrude water-cooled, drying, granulation, inflation film manufacturing machine blowing film forming.The method is simple, and productive rate is high.

In addition, in the excessive problem of thermal loss at night, can also on the scarp slope structure, thermal insulation quilt be set for greenhouse by solar heat, thermal insulation quilt can cover without the surface of dripping film, can also cover further one deck waterproof cloth to increase its moisture resistance on thermal insulation quilt.

The application has following beneficial effect: 1, have good lighting surface, can see through to greatest extent sunlight; 2, insulation and heat storage capacity are strong, under the greenhouse by solar heat air-proof condition, reduce to greatest extent the greenhouse heat radiation; 3, each part dimension parameter designing ratio of greenhouse by solar heat is reasonable, makes the greenhouse by solar heat performance better; 4, sunlight greenhouse structure Wind-Pressure Resistance, crushing by snow ability are strong, sturdy and durable; 5, possess environment and regulate control ability; 6, the greenhouse by solar heat size is roomy, utilizes new material, can promote greenhouse lightness, slimming development, and native sharp availability is high, and is conducive to manual work; 7, the global design cost of greenhouse by solar heat is low, cost is low, and long service life can be widely used in domestic northern most area, and applicability is wide.

Description of drawings

Fig. 1 is one of structural representation of the application's greenhouse by solar heat.

Fig. 2 be the application's greenhouse by solar heat structural representation two.

Embodiment

Be the technical problem that the application will be solved, the technological means of taking, and the beneficial effect that reaches is clearer, below in conjunction with the drawings and the specific embodiments, the application is further described.

Embodiment 1: greenhouse by solar heat comprises north wall structure, east side gable, west side gable, adverse grade structure and scarp slope structure; Described north wall structure comprises protective layer (1), recuperation layer (2), damp proof insulation layer (3), thermal insulation layer (4) and the first watertight composition (5) from inside to outside successively; Described adverse grade structure comprises structural slab (6), concrete layer (7) and the second watertight composition (8) from inside to outside successively; Described front room structure consists of by bow member (9) with without dripping film (10); Wherein north wall structure, east side gable, west side gable and scarp slope structure all are connected with ground by damp-proof layer (11), concrete bed course (12).

Embodiment 2: greenhouse by solar heat comprises north wall structure, east side gable, west side gable, adverse grade structure and scarp slope structure; Described north wall structure comprises protective layer (1), recuperation layer (2), damp proof insulation layer (3), thermal insulation layer (4) and the first watertight composition (5) from inside to outside successively; Described adverse grade structure comprises structural slab (6), concrete layer (7) and the second watertight composition (8) from inside to outside successively; Described front room structure consists of by bow member (9) with without dripping film (10); Wherein north wall structure, east side gable, west side gable and scarp slope structure all are connected with ground by damp-proof layer (11), concrete bed course (12).And drip film (10) surface in the nothing of front room structure, and being coated with thermal insulation quilt (13), it is warming that it can be used for night.

Comparative example 1 and embodiment 2, the night insulation ability of embodiment 2 is higher than embodiment 1, and night, mean temperature of air exceeded 2-3 ℃.

Embodiment 3: greenhouse by solar heat comprises north wall structure, east side gable, west side gable, adverse grade structure and scarp slope structure; Described north wall structure comprises protective layer (1), recuperation layer (2), damp proof insulation layer (3), thermal insulation layer (4) and the first watertight composition (5) from inside to outside successively; Described adverse grade structure comprises structural slab (6), concrete layer (7) and the second watertight composition (8) from inside to outside successively; Described front room structure consists of by bow member (9) with without dripping film (10); Wherein north wall structure, east side gable, west side gable and scarp slope structure all are connected with ground by damp-proof layer (11), concrete bed course (12).Wherein in the north wall structure, protective layer thickness is 20mm-30mm, and recuperation layer thickness is 350mm-400mm, and the damp proof insulation layer thickness is 0.5mm-5mm, and thermal insulation layer thickness is 80mm-150mm, and the first waterproofing layer thickness is 150mm-25mm.

Embodiment 4: greenhouse by solar heat comprises north wall structure, east side gable, west side gable, adverse grade structure and scarp slope structure; Described north wall structure comprises protective layer (1), recuperation layer (2), damp proof insulation layer (3), thermal insulation layer (4) and the first watertight composition (5) from inside to outside successively; Described adverse grade structure comprises structural slab (6), concrete layer (7) and the second watertight composition (8) from inside to outside successively; Described front room structure consists of by bow member (9) with without dripping film (10); Wherein north wall structure, east side gable, west side gable and scarp slope structure all are connected with ground by damp-proof layer (11), concrete bed course (12).Wherein in the north wall structure, protective layer thickness is 21mm-27mm, and recuperation layer thickness is 355mm-385mm, and the damp proof insulation layer thickness is 0.5mm-3mm, and thermal insulation layer thickness is 90mm-135mm, and the first waterproofing layer thickness is 15mm-22mm.

Embodiment 5: greenhouse by solar heat comprises north wall structure, east side gable, west side gable, adverse grade structure and scarp slope structure; Described north wall structure comprises protective layer (1), recuperation layer (2), damp proof insulation layer (3), thermal insulation layer (4) and the first watertight composition (5) from inside to outside successively; Described adverse grade structure comprises structural slab (6), concrete layer (7) and the second watertight composition (8) from inside to outside successively; Described front room structure consists of by bow member (9) with without dripping film (10); Wherein north wall structure, east side gable, west side gable and scarp slope structure all are connected with ground by damp-proof layer (11), concrete bed course (12).Wherein in the north wall structure, protective layer thickness is 21mm-24mm, and recuperation layer thickness is 360mm-375mm, and the damp proof insulation layer thickness is 0.8mm-1.5mm, and thermal insulation layer thickness is 95mm-115mm, and the first waterproofing layer thickness is 18mm-22mm.

Embodiment 6: greenhouse by solar heat comprises north wall structure, east side gable, west side gable, adverse grade structure and scarp slope structure; Described north wall structure comprises protective layer (1), recuperation layer (2), damp proof insulation layer (3), thermal insulation layer (4) and the first watertight composition (5) from inside to outside successively; Described adverse grade structure comprises structural slab (6), concrete layer (7) and the second watertight composition (8) from inside to outside successively; Described front room structure consists of by bow member (9) with without dripping film (10); Wherein north wall structure, east side gable, west side gable and scarp slope structure all are connected with ground by damp-proof layer (11), concrete bed course (12).Wherein in the north wall structure, protective layer thickness is 22mm, and recuperation layer thickness is 370mm, and the damp proof insulation layer thickness is 1.2mm, and thermal insulation layer thickness is 105mm, and the first waterproofing layer thickness is 22mm.

Comparative example 2 and embodiment 3-6 have the north wall structure of specific thicknesses, and in the greenhouse of each embodiment, mean temperature of air exceeds 0.5-1 ℃ than the daily mean temperature in the greenhouse of last embodiment.

Embodiment 7: greenhouse by solar heat comprises north wall structure, east side gable, west side gable, adverse grade structure and scarp slope structure; Described north wall structure comprises protective layer (1), recuperation layer (2), damp proof insulation layer (3), thermal insulation layer (4) and the first watertight composition (5) from inside to outside successively; Described adverse grade structure comprises structural slab (6), concrete layer (7) and the second watertight composition (8) from inside to outside successively; Described front room structure consists of by bow member (9) with without dripping film (10); Wherein north wall structure, east side gable, west side gable and scarp slope structure all are connected with ground by damp-proof layer (11), concrete bed course (12).

Embodiment 8: greenhouse by solar heat comprises north wall structure, east side gable, west side gable, adverse grade structure and scarp slope structure; Described north wall structure comprises protective layer (1), recuperation layer (2), damp proof insulation layer (3), thermal insulation layer (4) and the first watertight composition (5) from inside to outside successively; Described adverse grade structure comprises structural slab (6), concrete layer (7) and the second watertight composition (8) from inside to outside successively; Described front room structure consists of by bow member (9) with without dripping film (10); Wherein north wall structure, east side gable, west side gable and scarp slope structure all are connected with ground by damp-proof layer (11), concrete bed course (12).And the thickness of recuperation layer is greater than the thickness sum of protective layer, damp proof insulation layer, thermal insulation layer, the first watertight composition.

Embodiment 9: greenhouse by solar heat comprises north wall structure, east side gable, west side gable, adverse grade structure and scarp slope structure; Described north wall structure comprises protective layer (1), recuperation layer (2), damp proof insulation layer (3), thermal insulation layer (4) and the first watertight composition (5) from inside to outside successively; Described adverse grade structure comprises structural slab (6), concrete layer (7) and the second watertight composition (8) from inside to outside successively; Described front room structure consists of by bow member (9) with without dripping film (10); Wherein north wall structure, east side gable, west side gable and scarp slope structure all are connected with ground by damp-proof layer (11), concrete bed course (12).The thickness of recuperation layer is greater than the thickness of three times of thermal insulation layers.

Embodiment 10: greenhouse by solar heat comprises north wall structure, east side gable, west side gable, adverse grade structure and scarp slope structure; Described north wall structure comprises protective layer (1), recuperation layer (2), damp proof insulation layer (3), thermal insulation layer (4) and the first watertight composition (5) from inside to outside successively; Described adverse grade structure comprises structural slab (6), concrete layer (7) and the second watertight composition (8) from inside to outside successively; Described front room structure consists of by bow member (9) with without dripping film (10); Wherein north wall structure, east side gable, west side gable and scarp slope structure all are connected with ground by damp-proof layer (11), concrete bed course (12).The thickness of thermal insulation layer is greater than protective layer, the first waterproofing layer thickness sum, but less than protective layer, the first waterproofing layer thickness sum three times.

Embodiment 11: greenhouse by solar heat comprises north wall structure, east side gable, west side gable, adverse grade structure and scarp slope structure; Described north wall structure comprises protective layer (1), recuperation layer (2), damp proof insulation layer (3), thermal insulation layer (4) and the first watertight composition (5) from inside to outside successively; Described adverse grade structure comprises structural slab (6), concrete layer (7) and the second watertight composition (8) from inside to outside successively; Described front room structure consists of by bow member (9) with without dripping film (10); Wherein north wall structure, east side gable, west side gable and scarp slope structure all are connected with ground by damp-proof layer (11), concrete bed course (12).Protective layer is close with the ratio of the thickness of the first watertight composition, and its ratio is close to 1-1.1: 1-1.3.

Embodiment 12: greenhouse by solar heat comprises north wall structure, east side gable, west side gable, adverse grade structure and scarp slope structure; Described north wall structure comprises protective layer (1), recuperation layer (2), damp proof insulation layer (3), thermal insulation layer (4) and the first watertight composition (5) from inside to outside successively; Described adverse grade structure comprises structural slab (6), concrete layer (7) and the second watertight composition (8) from inside to outside successively; Described front room structure consists of by bow member (9) with without dripping film (10); Wherein north wall structure, east side gable, west side gable and scarp slope structure all are connected with ground by damp-proof layer (11), concrete bed course (12).And the thickness of damp-proof layer is less than protective layer, recuperation layer, thermal insulation layer, the first watertight composition.

Comparative example 1-2 and embodiment 8-12, when in the north wall structure, each layer thickness satisfied certain relation, heat-insulating property increased, 0.5-1 ℃ of daily mean temperature rising.

Embodiment 13: greenhouse by solar heat comprises north wall structure, east side gable, west side gable, adverse grade structure and scarp slope structure; Described north wall structure comprises protective layer (1), recuperation layer (2), damp proof insulation layer (3), thermal insulation layer (4) and the first watertight composition (5) from inside to outside successively; Described adverse grade structure comprises structural slab (6), concrete layer (7) and the second watertight composition (8) from inside to outside successively; Described front room structure consists of by bow member (9) with without dripping film (10); Wherein north wall structure, east side gable, west side gable and scarp slope structure all are connected with ground by damp-proof layer (11), concrete bed course (12).Wherein structural slab is the GMC plate, and its thickness is 5-50mm, and wherein the thickness of concrete layer is 1-300mm, and wherein the second watertight composition can be made of modified pitch, and its thickness is 1-200mm.

Embodiment 14: greenhouse by solar heat comprises north wall structure, east side gable, west side gable, adverse grade structure and scarp slope structure; Described north wall structure comprises protective layer (1), recuperation layer (2), damp proof insulation layer (3), thermal insulation layer (4) and the first watertight composition (5) from inside to outside successively; Described adverse grade structure comprises structural slab (6), concrete layer (7) and the second watertight composition (8) from inside to outside successively; Described front room structure consists of by bow member (9) with without dripping film (10); Wherein north wall structure, east side gable, west side gable and scarp slope structure all are connected with ground by damp-proof layer (11), concrete bed course (12).Wherein structural slab is the GMC plate, and its thickness is 5-10mm, and wherein the thickness of concrete layer is 1-50mm, and wherein the second watertight composition can be made of modified pitch, and its thickness is 1-20mm.

Comparative example 13 and embodiment 14, the design of adverse grade structure, slightly influential to indoor temperature, but therefore its impact and little, when practical application, can be selected according to local actual conditions.

Embodiment 15: according to the mode of embodiment 1, it is substantially vertical that east side gable and west side gable and ground are set to, and namely angle is 90 °.

Embodiment 16: according to the mode of embodiment 1, east side gable and west side gable and ground are set to 85 °.

Embodiment 17: according to the mode of embodiment 1, east side gable and west side gable and ground are set to 115 °.

Comparative example 15 and embodiment 17, the sunlight greenhouse structure of embodiment 16 is the most stable, and the greenhouse by solar heat lighting quantity of embodiment 17 is more abundant, in actual production, can select according to local circumstance.

Embodiment 18-30 is mainly in order to contrast without dripping the impact of film on greenhouse by solar heat, to choose the greenhouse by solar heat of embodiment 2, then choosing variety classes without a film, thereby it is compared experiment.

Embodiment 18: the high transparent polyethylene composition that uses without a film comprises matrix resin and auxiliary agent.Matrix resin in high transparent polyethylene composition is formed by mLLDPE, the first high pressure LDPE and the second high pressure LDPE blend.Wherein the mLLDPE in matrix resin refers to adopt the hervene copolymer LLDPE of metallocene catalyst preparation, comonomer hexene molar content is 0.45-2.75%, Breadth parameter of molecular weight distribution 2-4, melt mass flow rate 0.60-1.9g/10min.The first high pressure LDPE in matrix resin: melt mass flow rate is 1.5-2.5g/10min, density 0.895-0.930g/cm ³, weight average molecular weight 8-12 ten thousand.The second high pressure LDPE in matrix resin: melt mass flow rate is 0.8-3g/10min, density 0.935-0.955g/cm ³, weight average molecular weight 11-13 ten thousand.

Embodiment 19: according to embodiment 18, be 40-80: 10-35: 10-30 with the parts by weight ratio of the preparation of mLLDPE, the first high pressure LDPE and the second high pressure LDPE in matrix resin.

Embodiment 20: according to embodiment 18, be 50-70: 10-25: 10-20 with the parts by weight ratio of the preparation of mLLDPE, the first high pressure LDPE and the second high pressure LDPE in matrix resin.

Embodiment 21: according to embodiment 18, be 50-55: 10-15: 11-12 with the parts by weight ratio of the preparation of mLLDPE, the first high pressure LDPE and the second high pressure LDPE in matrix resin.

The comparative example 18 to embodiment 21, and the selected nothing of preferred version is dripped film, and its toughness, intensity and transparency are all higher than the scheme of last embodiment.

Embodiment 22: according to embodiment 18, be 1: 1.1 with the ratio setting of the parts by weight of the first high pressure LDPE and the second high pressure LDPE in matrix resin.

Embodiment 23: according to embodiment 18, adopting the degree of branching of mLLDPE is 35-47/10000C, terminal methyl 130-135/10000C, and weight average molecular weight 10-15 ten thousand, and density is 0.900-0.920g/cm ³

Comparative example 22-23 and embodiment 18-21 further improve 2% left and right without dripping film strength.

Embodiment 24: according to embodiment 18, can add a kind of auxiliary agent in high transparent polyethylene composition, i.e. antioxidant, and antioxidant is 0.01-0.05 part with respect to the consumption of matrix resin.

Embodiment 25: according to embodiment 18, can add a kind of auxiliary agent in high transparent polyethylene composition, i.e. flexibilizer, and flexibilizer is 0.01-0.05 part with respect to the consumption of matrix resin.

Embodiment 26: according to embodiment 18, can add a kind of auxiliary agent in high transparent polyethylene composition, i.e. light absorber, and light absorber is 0.01-0.03 part with respect to the consumption of matrix resin.

Embodiment 27: according to embodiment 18, can add a kind of auxiliary agent in high transparent polyethylene composition, i.e. light stabilizer, and light stabilizer is 0.01-0.03 part with respect to the consumption of matrix resin.

Comparative example 24-27 and embodiment 18 add auxiliary agent in composition, antioxygen, toughness, light absorptive and the photostability of composition are further improved.

Embodiment 28: according to embodiment 18, can add two kinds of auxiliary agents in high transparent polyethylene composition, be antioxidant and flexibilizer, and antioxidant is 0.01-0.05 part with respect to the consumption of matrix resin, flexibilizer is 0.01-0.05 part with respect to the consumption of matrix resin.

Embodiment 29: according to embodiment 18, can add three kinds of auxiliary agents in high transparent polyethylene composition, be antioxidant, flexibilizer and light stabilizer, and antioxidant is 0.01-0.05 part with respect to the consumption of matrix resin, flexibilizer is 0.01-0.05 part with respect to the consumption of matrix resin, and light stabilizer is 0.01-0.03 part with respect to the consumption of matrix resin.

Embodiment 30: according to embodiment 18, can add four kinds of auxiliary agents, i.e. antioxidant, flexibilizer, light absorber and light stabilizer in high transparent polyethylene composition.And antioxidant is 0.01-0.05 part with respect to the consumption of matrix resin, flexibilizer is 0.01-0.05 part with respect to the consumption of matrix resin, and light absorber is 0.01-0.03 part with respect to the consumption of matrix resin, and light stabilizer is 0.01-0.03 part with respect to the consumption of matrix resin.

Comparative example 28-30 and embodiment 18, add at least a auxiliary agent in composition, antioxygen, toughness, light absorptive and the photostability of composition are further improved, and it is higher than embodiment 24-27 that it improves effect, as seen multiple auxiliary agent is after mixing, except the effect of performance itself, also produce synergy with other auxiliary agent, further improve the combination property of composition.

Of particular note, use multiple greenhouse by solar heat although exist in prior art, for the application, the content of core be following some: the first, our experiments show that the north wall structure of greenhouse by solar heat of the prior art, the number of plies is more, form complexity, or the number of plies is less, heat insulation effect is poor, and the application's north wall structure level number is reasonable, namely avoided complicated structure, kept again higher heat-insulating property, its effect that reaches can relatively draw from the embodiment relevant portion.The second, through testing the surface, the nothing that the application uses is dripped film and is had good combination property, and its composition is to need strict control, if its composition is changed, its corresponding effect obviously reduces.The 3rd, can use conventional method when the nothing that the application uses is dripped film preparation, and not need special equipment, and similarly need to prepare in special installation without dripping film in prior art, therefore, the application's effect is non-obvious.

In sum, even similar technology is arranged in prior art, but because each feature of the application need to be arranged in special number range, therefore, the application compares with prior art, concerning the person of ordinary skill in the field, in advance unpredictable or reasoning out, in addition because the application has produced unforeseeable technique effect, therefore the explanation application has significant progress on the one hand, simultaneously reflect that also the technical scheme of application is non-obvious, have outstanding substantive distinguishing features and significant progressive.

Claims

1. a greenhouse by solar heat, comprise north wall structure, east side gable, west side gable, adverse grade structure and scarp slope structure; Described north wall structure comprises protective layer, recuperation layer, damp proof insulation layer, thermal insulation layer and the first watertight composition from inside to outside successively; Described adverse grade structure comprises structural slab, concrete layer and the second watertight composition from inside to outside successively; Described scarp slope structure consists of by bow member with without dripping film; Wherein north wall structure, east side gable, west side gable and scarp slope structure all are connected with ground by damp-proof layer, concrete bed course.

2. greenhouse by solar heat according to claim 1, it is characterized in that: in described north wall structure, protective layer thickness is 20mm-30mm; recuperation layer thickness is 350mm-400mm; the damp proof insulation layer thickness is 0.5mm-5mm, and thermal insulation layer thickness is 80mm-150mm, and the first waterproofing layer thickness is 15mm-25mm.

3. greenhouse by solar heat according to claim 1, it is characterized in that: in described adverse grade structure, the second waterproofing layer thickness is 1mm-200mm, and coagulate layer thickness is 1mm-300mm, and structural slab thickness is 5mm-50mm.

4. greenhouse by solar heat according to claim 1, is characterized in that, the thickness that described nothing is dripped film is 0.1-0.5mm.

5. according to claim 1-3 described greenhouse by solar heats of any one, is characterized in that, described nothing is dripped and is coated with thermal insulation quilt on film.

6. according to claim 1-3 described greenhouse by solar heats of any one, the angle that it is characterized in that described east side gable and west side gable and ground is 85 °-115 °.

7. greenhouse by solar heat according to claim 6, the angle that it is characterized in that described east side gable and west side gable and ground is 90 °.