CN203226074U - Double-span greenhouse - Google Patents

Abstract

The utility model discloses a double-span greenhouse, which comprises a front sunlight greenhouse, and the front sunlight greenhouse at least includes a main rear wall running east-west; The main rear wall of the sunshine greenhouse is the front wall, and the rear greenhouse also includes a rear wall, a gable and a roof, and the rear wall, gable and roof of the rear greenhouse are all made of magnesite polystyrene composite board. The double-span greenhouse of the utility model is constructed by combining the front sunlight greenhouse and the rear greenhouse, and the rear greenhouse utilizes the space that must be left between the two sunlight greenhouses, which greatly improves the land utilization rate and greatly saves the land.

Description

Double-span greenhouse

technical field

The utility model relates to a double-span greenhouse comprising a front sunlight greenhouse and a rear greenhouse.

Background technique

The solar greenhouse is the most widely used agricultural production facility in northern my country. Generally, it has three walls in the north, east, and west (of course, there are only one gable or no gable), and the south is covered with plastic film. Radiation as a source of heat. Land use rate, thermal insulation performance, and output benefit are the three most important indicators for measuring solar greenhouses. For a long time, my country's solar greenhouses have used clay bricks and earth rammed walls as wall insulation building materials, and adopted the design form of external shed quilt and single building independent construction, which has low land utilization rate and poor overall insulation performance of greenhouses. , The serious problems of high labor intensity and low output efficiency of farmers have also become bottlenecks restricting the development of solar greenhouses. Therefore, improving the design form and building materials of existing greenhouses, improving land utilization, improving thermal insulation performance, increasing output efficiency, reducing labor intensity and operating costs have become urgent issues to be solved for solar greenhouses.

Utility model content

In view of the above-mentioned defects in the prior art, the technical problem to be solved by the utility model is to provide a double-span greenhouse with a simple structure and improved land utilization.

In order to solve the above problems, the utility model provides a double-span greenhouse, which includes a front sunlight greenhouse, and the front sunlight greenhouse at least includes a main rear wall running from east to west; the double-span greenhouse also includes a rear greenhouse, and the rear greenhouse The greenhouse uses the main rear wall of the front greenhouse as the front wall, and the rear greenhouse also includes a rear wall, gable and roof, and the rear wall, gable and roof of the rear greenhouse are all made of magnesite polystyrene composite board.

As a preference, the main back wall includes opposite magnesite polystyrene composite boards and between the magnesite polystyrene composite boards is solidified with the magnesite polystyrene composite boards. A foamed cement layer with air bubbles inside formed by bonding.

Preferably, the magnesite-polystyrene composite boards all include polystyrene boards in the inner layer and glass fiber boards in the outer layer.

Preferably, the wall body of the main rear wall is made of foamed cement, and steel wire mesh or glass fiber mesh is hung on the outer surface of the foamed cement and crack-resistant mortar is applied.

Preferably, the ground of the rear greenhouse includes a thermal insulation layer poured with foamed cement and a hardened cement layer on the thermal insulation layer.

Preferably, the roof of the rear greenhouse is in the shape of a single slope with a high front and a low rear.

Preferably, one or more air outlets are opened on the main rear wall, and exchange fans are respectively installed at the air outlets.

Preferably, the insulation layer has a thickness of 10cm-15cm.

Preferably, the thickness of the rear wall, the left and right gables and the roof of the rear greenhouse are all 10cm-15cm.

The double-span greenhouse of the utility model is constructed by combining the front sunlight greenhouse and the rear greenhouse, and the rear greenhouse utilizes the space that must be left between the two sunlight greenhouses, which greatly improves the land utilization rate and greatly saves the land.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a double-span greenhouse according to an embodiment of the present invention.

Fig. 2 is a perspective view of another direction of the double-span greenhouse shown in Fig. 1 .

Fig. 3 is a structural schematic diagram of the main rear wall of the double-span greenhouse shown in Fig. 1 .

Detailed ways

The utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

As shown in Fig. 1 and Fig. 2, the double-span greenhouse of an embodiment of the present utility model comprises front sunlight greenhouse 1 and rear greenhouse 2, and front sunlight greenhouse 1 at least comprises the main back wall 10 of east-west direction; The main rear wall 10 is the front wall, and the rear wall 22 of the rear greenhouse 2, the left and right gable walls 23 and the roof 21 all adopt magnesite polystyrene composite boards. In the embodiment shown in FIG. 1 , the front greenhouse 1 further includes a gable wall 14 connected to the main rear wall 10 . The front sunshine shed 1 can be provided with left and right gables at the same time, and only one gable or no gable can be provided, which can be flexibly selected according to actual conditions. The front sunshine shed 1 is provided with some shelvings 15 parallel to each other, which are used to support transparent plastic films (because the plastic films are transparent, not shown in the figure). The put down shed was 12.

The double-span greenhouse of this embodiment is designed through the combination of the front sunlight greenhouse and the rear greenhouse, and the rear greenhouse utilizes the space that must be left between the two sunlight greenhouses, which greatly improves the land utilization rate and greatly saves the land. The rear greenhouse 2 takes the main rear wall 10 as the front wall, and the height of the rear wall 22 of the rear greenhouse 2 is 1.5m-2m, and the length is the same as that of the front sunshine greenhouse 1. The length of the two gable walls 23 of the rear greenhouse 2 is 3m-5m, so that The rear greenhouse 2 is mainly located in the shadow area of the main rear wall 10 . Due to the heat insulation effect of the main rear wall 10 of the front sunlight greenhouse 1, the summer temperature in the rear greenhouse 2 is relatively low, and the air with a higher temperature in the front sunlight greenhouse 1 can be introduced in winter to increase its temperature or in the rear greenhouse 2. Underground floor heating can also increase the internal temperature. The rear greenhouse 2 has formed a unique microclimate that is warm in winter and cool in summer, which is very suitable for the continuous planting and breeding of organisms that require a growth temperature between 8°C and 25°C, prefer shade, and consume oxygen in four seasons, such as mushrooms such as Shiitake mushrooms and shiitake mushrooms. , Pleurotus eryngii, Pleurotus eryngii and other medium-temperature mushrooms, as well as poultry, Tenebrio molitor, etc., greatly improving economic benefits.

In order to ensure the heat insulation effect of the main rear wall, the wall body of the main rear wall 10 is integrally poured with closed-cell foamed cement to avoid heat conduction across the bridge. Closed-cell foamed cement has a density of 300-600kg/m ³ and has excellent thermal insulation performance. The closed-cell foamed cement wall with a density of 300kg/m ³ has thermal insulation performance 12.85 times that of clay brick walls of the same thickness, and 18.4 times that of earth rammed walls, and the closed-cell foamed cement wall made by pouring has the construction The advantages of fast speed, less land occupation and low cost. Since the wall supported by foamed cement is prone to cracks, steel wire mesh or glass fiber mesh is hung outside the foamed cement wall and anti-cracking mortar is applied for anti-cracking treatment.

As a preferred mode, in the present embodiment, the main rear wall adopts the form of a composite wall, as shown in Figure 3 , the main rear wall 10 includes an opposing magnesite-polystyrene composite board 42 and a magnesite-polystyrene composite board 42 located between them. The foamed cement layer 41 with air bubbles inside is formed by bonding the cast-in-place foamed cement slurry to the magnesite-polystyrene composite board 42 after solidification. The magnesite-polystyrene composite boards 42 all include polystyrene boards 421 in the inner layer and glass fiber boards 422 in the outer layer. The thickness of the foamed cement layer 41 can be selected according to heat insulation requirements. The magnesite polystyrene composite board 42 has a protective function. During the construction stage, the magnesite polystyrene composite board 42 can prevent the internal foamed cement from losing water, which is beneficial to the solidification of the foamed cement and prevents it from cracking. The magnesium polystyrene composite board 42 can also play a role in preventing external invasion. In addition, the polystyrene board 421 of the inner layer of the magnesite polystyrene composite board 42 has good bonding performance with the foamed cement, and the magnesite glass fiber board 422 of the outer layer has higher strength, which is suitable as a foamed cement wall. body shield.

In order to ensure that the temperature in the rear greenhouse 2 is less affected by the outside world, the ground of the rear greenhouse 2 is also subjected to thermal insulation treatment. The ground of the rear greenhouse 2 includes a thermal insulation layer poured by foamed cement and a cement hardened layer above the thermal insulation layer. . The thickness of the insulation layer is 10cm-15cm, and the appropriate thickness is selected according to the latitude of the construction site.

As shown in Figure 2, the roof 21 of the rear greenhouse 2 is a slope shape with a high front and a low rear, which can prevent the rear greenhouse 2 from affecting other solar greenhouses connected to it, and make full use of the gap between the existing two solar greenhouses. space.

Plants are planted in the front sunlight greenhouse 1, because photosynthesis consumes carbon dioxide and produces oxygen, so the rear greenhouse 2 is particularly suitable for breeding or planting oxygen-consuming fungi or poultry, in order to facilitate the exchange of air between the front sunlight greenhouse 1 and the rear greenhouse 2 , as shown in Fig. 1, in the present embodiment, two air outlets 101 are provided on the main rear wall 10, and exchange fans 102 are installed respectively, to give full play to the advantages of double-span greenhouses, between the front sunshine greenhouse 1 and the rear greenhouse 2 The exchange of oxygen and carbon dioxide is mutually beneficial. The exchanging fan 102 can be manually controlled or automatically controlled.

As shown in Figure 1, in the present embodiment, the scaffolding 15 of the front sunlight greenhouse 1 is in the shape of a raised "several" in the middle, and no pillars need to be arranged in the middle of the scaffolding 15, which is convenient for the cultivation in the front sunlight greenhouse 1, and also Helps improve land use efficiency.

In order to ensure the heat insulation effect of the rear greenhouse 2, the thickness of the magnesite polystyrene composite board adopted by the rear wall 22, the left and right gables 23 and the roof 21 of the rear greenhouse 2 is 10cm-15cm. Magnesite polystyrene composite board has a good thermal insulation effect.

As shown in Figures 1 and 2, in this embodiment, side rooms 3 are provided on both sides of the double-span greenhouse to facilitate installation and storage of corresponding production facilities.

Certainly, what is described above is the preferred embodiment of the present utility model, and it should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the principle of the present utility model. And retouching are also regarded as the scope of protection of the present utility model.

Claims (9)

1. A double-span greenhouse, comprising a front sun shed, said front sun shed at least comprising the main back wall of the east-west direction; it is characterized in that, The double-span greenhouse also includes a rear greenhouse, the rear greenhouse uses the main rear wall of the front sunlight greenhouse as the front wall, and the rear greenhouse also includes a rear wall, left and right gable walls, and a roof. The back wall, gable wall and roof are all made of magnesite polystyrene composite board. 2. The double-span greenhouse as claimed in claim 1, wherein said main rear wall comprises oppositely established magnesite polystyrene composite boards and between said magnesite polystyrene composite boards is formed by cast-in-place The foamed cement layer with air bubbles inside is formed by bonding the foamed cement slurry to the magnesite polystyrene composite board after solidification. 3. The double-span greenhouse as claimed in claim 2, wherein the magnesite polystyrene composite boards all include polystyrene boards of the inner layer and magnesite fiberglass boards of the outer layer. 4. The double-span greenhouse as claimed in claim 1, wherein the body of wall of the main rear wall is formed by pouring foamed cement, and steel wire mesh or fiberglass mesh is hung on the outer surface of the foamed cement and Spread with anti-crack mortar. 5. The double-span greenhouse according to any one of claims 1-4, wherein the ground of the rear greenhouse comprises a thermal insulation layer poured by foamed cement and a hardened cement layer positioned on the thermal insulation layer . 6. The double-span greenhouse according to any one of claims 1-4, characterized in that the roof of the rear greenhouse is in the shape of a single slope with a high front and a low rear. 7. The double-span greenhouse according to any one of claims 1-4, characterized in that one or more air outlets are opened on the main rear wall, and exchange fans are respectively installed at the air outlets. 8. The double-span greenhouse according to claim 5, characterized in that, the thickness of the thermal insulation layer is 10cm-15cm. 9. The double-span greenhouse according to claim 1, wherein the thickness of the rear wall, the left and right gables and the roof of the rear greenhouse is 10cm-15cm.

Images