CN105325217A

CN105325217A - Composite-structure sunlight greenhouse wall body

Info

Publication number: CN105325217A
Application number: CN201510774841.2A
Authority: CN
Inventors: 颉建明; 郁继华; 唐中祺; 吕剑; 冯致; 张国斌
Original assignee: Gansu Agricultural University
Current assignee: Gansu Agricultural University
Priority date: 2015-11-13
Filing date: 2015-11-13
Publication date: 2016-02-17

Abstract

The invention discloses a composite-structure sunlight greenhouse wall body. The composite-structure sunlight greenhouse wall body comprises an inner wall body, a ring beam, an outer wall body, a heat-insulating layer, a ground and an air layer, wherein the inner wall body is provided with a ventilation fan; the heat-insulating layer is mounted on the outer side of the outer wall body. The composite-structure sunlight greenhouse wall body has a simple structure, a strong heat accumulation capability, good wall body stability, long service and low cost and has tangible practicability on the aspects of solving the supply problem of fresh vegetables in winter in the northern region and increasing the economic incomes of farmers.

Description

A kind of composite construction solar greenhouse wall body

Technical field

The invention belongs to green house field, be specifically related to a kind of composite construction solar greenhouse wall body.

Background technology

Greenhouse by solar heat is that vast agricultural science and technology worker and friend peasant create jointly, a kind of greenhouse structure with Chinese characteristics, is the exclusive facility of China.Production of not heating winter can be carried out, solve the supply problem that northern area eats vegetables winter raw, increase the income of peasant.During current agricultural is produced; the maximum protection facility of area is greenhouse by solar heat and big arch shed; greenhouse by solar heat is that protective condition is best, the anniversary can carry out agricultural production, therefore; in northern China most area; greenhouse by solar heat is the major way of winter vegetable cultivation, but simultaneously due to the defect of technology and input cost excessive, make the green house of many low costs due to suitable temperature cannot be kept; usually occur making plant adapt to low temperature, thus cause the phenomenon dropping in production over a large area and even have no harvest.Take stove or the conveying of various heating installation, although improve indoor temperature to a certain extent, but also there is heat supply deficiency, too much, the unequal problem of room temperature of consumption coal, pollute the film of environment and green house, the transparency of film is progressively reduced, make the printing opacity in greenhouse, daylighting degree progressively disappears, reduce greenhouse heat-insulating effect.Therefore, above all measures are all unfavorable for agricultural extension.

In greenhouse by solar heat, mainly carry out thermal isolation and heat storage by body of wall, body of wall, as the important component part of greenhouse by solar heat, is the major bearing structures in greenhouse, in addition it also have accumulation solar radiation produce energy, block heat to outdoor scatter and disappear effect.The main body of wall of current greenhouse by solar heat has brick wall, cob wall etc.How to utilize existing material, promote wall stability, obtain larger storage volume is the developing important topic of greenhouse by solar heat simultaneously.

Chinese patent CN103362226A discloses a kind of heat-preserving wall of green house of vegetables, comprise exterior wall, heat-insulation layer, inner wall and top board, wherein heat-insulation layer is arranged between exterior wall and inner wall, although play a role to the thermal isolation and heat storage in greenhouse, but this heat-insulation layer is unfavorable for changing, and shorten the service life of body of wall, whole inner wall is provided with multiple spiracle running through inner wall in addition, effectively heat in greenhouse can not be stored, and be unfavorable for the stability of body of wall.

Summary of the invention

The present invention overcomes the deficiency that prior art exists, technical problem to be solved is to provide that a kind of structure is simple, heat storage capacity is strong, wall stability is good, long service life, composite construction sunlight body of wall with low cost, solution northern area is eaten raw to the supply problem of vegetables winter, the income increasing peasant has practical practicality.

For solving the problems of the technologies described above, the technical solution adopted in the present invention is:

A kind of composite construction solar greenhouse wall body, comprise inner wall, collar tie beam, exterior wall, heat-insulation layer, ground, air layer, described inner wall settles ventilation fan, described heat-insulation layer is arranged on the outside of described exterior wall.

Further, described ventilation fan is two groups, one group of below or top being placed in inner wall initiating terminal, and another group is placed in above or below inner wall clearing end, and two groups of ventilation fans are settled upper the next contrary, and inspiratory direction is contrary.

Further, described air layer inside arranges some handle brick walls along body of wall extending direction, presets ventilation hole in described handle brick wall.

Compared to the prior art the present invention has following beneficial effect:

1. compared with traditional greenhouse wall body, Indoor Thermal air is imported greenhouse wall body inner, it is made to increase to three accumulation of heat faces from original accumulation of heat face, increase substantially the heating surface in the unit interval, more traditional greenhouse wall body structure compares the accumulation of heat thickness having increased considerably body of wall simultaneously, makes it can release more heat at night.

2. styrofoam heat-barrier material outside exterior wall and exterior wall, mainly plays function of heat insulation, intercepts the hot-fluid be accumulated in greenhouse wall body and is transmitted to outdoor.

3. inner wall settles ventilation fan, its two-layer brick wall folder hollow-core construction forms air layer, temperature higher in greenhouse can be delivered to greenhouse wall body inside by ventilation fan, while increasing the heating surface in its unit interval, improve heat storage efficiency, change traditional greenhouse only in the single situation of inside greenhouse surface of wall heat transfer.

4. air layer inside builds handle brick wall along body of wall extending direction at interval of 4m, and firm wall stability, extends service life; Pre-set ventilation hole in handle brick wall, the air layer heat accumulation formed between the handle brick wall that ventilation hole makes body of wall build at interval of 4m and inner-outer wall is even.

Accompanying drawing explanation

Fig. 1 is that schematic diagram is cutd open in the side of the heat-preserving wall of a kind of green house of vegetables of the present invention;

Fig. 2 is the schematic front view of the heat-preserving wall of a kind of green house of vegetables of the present invention;

Fig. 3 is the schematic top plan view of the heat-preserving wall of a kind of green house of vegetables of the present invention.

Embodiment

Describe the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention.

As shown in Figure 1, a kind of heat-preserving wall of green house of vegetables, comprises inner wall 1, collar tie beam 2, exterior wall 3, heat-insulation layer 4, ground 5, air layer 6,

Greenhouse by solar heat from inside to outside between inner wall 1 and exterior wall 3 gross thickness be 1.06m, inner wall is the thick clay brick of 240mm, centre is the thick air layer 6 of 480mm, exterior wall is the thick clay brick of 240mm, the thick polyphenyl plate heat preserving layer 4 of 100mm is close to outside exterior wall, heat-insulation layer 4 styrofoam to be arranged on outside exterior wall 3 and to cover whole exterior wall surface, and collar tie beam 2 is the concrete collar tie beam of 100mm × 960mm, has the effect of the occluded air layer 6 that bears down on one.

As shown in Figure 2, ventilation fan 7 is two groups, one group of below or top being placed in inner wall 1 initiating terminal, another group is placed in above or below inner wall 1 clearing end, and two groups of ventilation fans are settled upper the next contrary, and inspiratory direction is contrary, daytime, sunlight indoor temperature was higher than more than 30 DEG C, open two groups of ventilation fans simultaneously, close two groups of ventilation fans night, make the heat in body of wall be lost to greenhouse by solar heat inside slowly.

As shown in Figure 3, described air layer 6 inside builds handle brick wall 9 along body of wall extending direction at interval of 4m, handle brick wall 9 runs through air layer 6 along the direction vertical with inner wall 1, pre-sets ventilation hole 8 in described handle brick wall 9, and ventilation hole 8 is pre-buried length is the 200mmPVC pipe that 240 to 300mm grows.

The heat-preserving wall of a kind of green house of vegetables of the present invention, reasonable in design, construction construction easily, construction cost is low, wall stability good, heat storage performance is good, long service life, can be widely used in agriculture, herding field.

Claims

1. a composite construction solar greenhouse wall body, comprise inner wall (1), collar tie beam (2), exterior wall (3), heat-insulation layer (4), ground (5), air layer (6), it is characterized in that, described inner wall (1) is settled ventilation fan (7), described heat-insulation layer (4) is arranged on the outside of described exterior wall (3).

2. a kind of composite construction solar greenhouse wall body as claimed in claim 1, it is characterized in that, described ventilation fan (7) is two groups, one group of below or top being placed in inner wall (1) initiating terminal, another group is placed in above or below inner wall (1) clearing end, two groups of ventilation fans are settled upper the next contrary, and inspiratory direction is contrary.

3. a kind of composite construction solar greenhouse wall body as claimed in claim 1, is characterized in that, described air layer (6) inside arranges some handle brick walls (9) along body of wall extending direction, presets ventilation hole (8) in described handle brick wall (9).