Greenhouse underground water tank structure

Abstract

The utility model discloses a greenhouse underground water tank structure which comprises a water tank arranged under the ground of a greenhouse, the water tank is of a concrete structure, a heat preservation layer and a waterproof layer are arranged on the inner wall of the water tank, a heat exchange pipeline is erected in the water tank, the heat exchange pipeline is connected with an air inlet pipeline and an air outlet pipeline which are communicated with the outside of the water tank, and the air inlet pipeline is communicated with the water tank. A heat preservation cover plate is arranged above the water tank or a greenhouse ground structure is laid above the water tank. The greenhouse underground water tank structure can contain a large amount of water, the heat exchange pipeline is arranged, heat energy in air can be stored in the water in the water tank through heat exchange between water and air, the purposes of energy recycling, energy saving and environment protection are achieved, environment temperature control of the greenhouse is facilitated, the water tank is arranged underground of the greenhouse, and the environment protection effect is good. And the space in the greenhouse is not occupied.

Description

Technical Field

[0001] The utility model relates to the technical field of greenhouses, in particular to a groundwater tank structure for a greenhouse. Background Art

[0002] Among cultivation facilities, the greenhouse, as a form with the longest service life, is suitable for use in various regions and under various climatic conditions. Its area and usage mode can be freely adjusted by the greenhouse owner. There are small courtyard leisure types, and large glass buildings with a height of more than 10 meters and a span of more than ten meters.

[0003] For large greenhouses, the temperature inside is likely to rise on sunny days with good sunlight. Excessively high temperature is not suitable for plant growth and does not reflect the advantage of the greenhouse's constant temperature. Therefore, existing greenhouses use ventilation and heat dissipation methods to discharge hot air for cooling. Although this plays a role in cooling, it wastes a large amount of heat energy. When the environmental temperature is low at night, a heating device is required to provide heat energy to keep the temperature inside the greenhouse from dropping, which will increase additional energy consumption. Summary of the Invention

[0004] The purpose of the utility model is to provide a groundwater tank structure for a greenhouse in view of the problems existing in the prior art.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A groundwater tank structure for a greenhouse includes a water tank arranged underground in the greenhouse. The water tank is of a concrete structure. The inner wall of the water tank is provided with a heat insulation layer and a waterproof layer. A heat exchange pipe is installed in the water tank. The heat exchange pipe is connected with an air inlet pipeline and an air outlet pipeline leading to the outside of the water tank. A heat insulation cover plate is arranged above the water tank or a greenhouse floor structure is laid.

[0007] This groundwater tank structure for a greenhouse can hold a large amount of water and is provided with the heat exchange pipe. Through the heat exchange between water and air, the heat energy in the air can be stored in the water in the water tank, so as to achieve the purpose of energy reuse, energy conservation and environmental protection, which is beneficial to the environmental temperature control of the greenhouse. Moreover, the water tank is arranged underground in the greenhouse and does not occupy the space inside the greenhouse.

[0008] Further, the water tank is a blind ditch arranged underground in the greenhouse. The blind ditch is arranged in a circuitous closed loop, and at least one heat exchange pipe is arranged along the direction of the blind ditch. The circuitous arrangement can increase the length of the blind ditch, so that more water can be stored and the path length of heat exchange can be increased, which is beneficial to full heat exchange of air.

[0009] Furthermore, a number of maintenance channels are arranged at intervals on the blind ditch. The maintenance channels extend out of the ground of the greenhouse and are provided with maintenance openings with end covers; the maintenance channels are arranged at each turning node of the blind ditch. This is beneficial for the later maintenance of the heat exchange pipes and can also remove and replace the heat exchange pipes in sections.

[0010] Furthermore, a ground communication channel is also provided on the blind ditch. The ground communication channel extends to the ground of the greenhouse and is provided with a grille cover plate.

[0011] Furthermore, the blind ditch encloses a rectangular structure, and the blind ditch on the long side of the rectangular structure is arranged in a vertical and horizontal bending path.

[0012] Furthermore, the width of the blind ditch is not less than 200 mm, the depth of the blind ditch is not less than 500 mm, and the total length of the blind ditch is not less than 50 m.

[0013] Furthermore, the water tank is a cast-in-place structure or a precast structure. The thermal insulation layer is arranged on the inner side of the inner wall, and the waterproof layer is arranged on the outer side of the inner wall; or the waterproof layers are respectively arranged on both the inner and outer sides of the thermal insulation layer. This structure can improve the thermal insulation and waterproof performance of the entire water tank.

[0014] Furthermore, a number of support seats are arranged in the water tank. Installation slots are provided on the support seats, and the installation slots are used to connect and support the heat exchange pipes. There is a spacing between the outer circumference of the heat exchange pipes and the inner circumference of the water tank; both the support seats and the heat exchange pipes are metal structural members.

[0015] Furthermore, a number of partition plates are arranged along the direction of the heat exchange pipes inside the heat exchange pipes. The partition plates are arranged obliquely and divide the heat exchange pipes into a number of channels.

[0016] In some embodiments, the water tank is an underground dark pool, and the heat exchange pipes are arranged horizontally and vertically or spirally in the underground dark pool.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows: 1. The underground water tank structure of this greenhouse can accommodate a large amount of water, and the heat exchange pipes are arranged. Through the heat exchange between water and air, the heat energy in the air can be stored in the water of the water tank, so as to achieve the purpose of energy reuse, energy conservation and environmental protection, which is beneficial to the environmental temperature control of the greenhouse. Moreover, the water tank is arranged underground in the greenhouse, without occupying the space inside the greenhouse; 2. On the one hand, the water tank is set underground without occupying the planting space inside the greenhouse, and the volume of the water tank is not restricted by the facilities inside the greenhouse, so that the capacity of the water tank can be larger. On the other hand, the underground structure can well maintain the water temperature. With the arrangement of the heat insulation layer, the heat loss can be effectively reduced; 3. The turning and bending places of the heat exchange pipes are also at the turning nodes of the blind ditch. Maintenance channels are set at this place, which is beneficial to the later maintenance of the heat exchange pipes and can also take out and replace the heat exchange pipes in sections. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is an overall schematic diagram of an underground water tank structure of a greenhouse of the present utility model;

[0019] Figure 2 is a schematic diagram of a certain cross-sectional structure of an underground water tank structure of a greenhouse of the present utility model;

[0020] Figure 3 is a schematic diagram of a cross-sectional structure of an underground water tank structure of a greenhouse of the present utility model;

[0021] Figure 4 is another layout schematic diagram of the underground water tank structure of the greenhouse of the present utility model;

[0022] In the figure: 1. Water tank; 2. Heat insulation layer; 3. Waterproof layer; 4. Heat insulation cover plate; 5. Heat exchange pipe; 6. Partition board; 7. Support seat; 8. Installation slot; 9. Maintenance channel; 10. Ground communication channel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work conditions belong to the scope of protection of the present utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "middle", "upper", "lower", "left", "right", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, terms such as "first", "second", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0025] As Figures 1 to 3 shown, a greenhouse groundwater tank structure includes a water tank 1 arranged underground in the greenhouse. The water tank 1 is made of concrete. An insulating layer 2 and a waterproof layer 3 are provided on the inner wall of the water tank 1. A heat exchange pipe 5 is installed in the water tank 1. The heat exchange pipe 5 is connected with an air inlet pipe and an air outlet pipe leading outside the water tank. A heat preservation cover plate 4 is provided above the water tank 1 or a greenhouse floor structure is laid.

[0026] This greenhouse groundwater tank structure can hold a large amount of water, and the heat exchange pipe 5 is arranged. Through the heat exchange between water and air, the heat energy in the air can be stored in the water in the water tank, so as to achieve the purpose of energy reuse, energy conservation and environmental protection, which is beneficial to the environmental temperature control of the greenhouse. Moreover, the water tank is arranged underground in the greenhouse, which does not occupy the space inside the greenhouse. The water tank 1 arranged underground also has a certain heat preservation and heat insulation effect, and the underground closed water tank 1 can also reduce the evaporation of water.

[0027] For greenhouses, especially glass greenhouses, the temperature inside is very easy to rise on sunny days with good sunlight. The too high temperature is not suitable for the growth of plants and does not reflect the advantage of the constant temperature of the greenhouse. Therefore, the existing greenhouses will adopt ventilation and heat dissipation and other methods to discharge hot air for cooling. Although this plays a role in cooling, it wastes heat energy. The setting of this groundwater tank structure can use the heat exchange pipe to change the hot air in the greenhouse into cold air and discharge it. It can not only play a role in adjusting the temperature of the greenhouse, but also use the water in the water tank to temporarily store the heat energy. The stored heat energy can be released again through the heat exchange of the heat exchange pipe at night or when the external environmental temperature drops, further adjusting the temperature of the greenhouse at night. The stored hot water can also be used for breeding or daily use in the greenhouse. The settings of the air inlet pipe and the air outlet pipe are used to inhale the air in the greenhouse and discharge the air after heat exchange to the greenhouse.

[0028] Since the water tank 1 is arranged underground, on the one hand, it does not need to occupy the planting space inside the greenhouse, and the volume of the water tank 1 is not limited by the facilities inside the greenhouse, so that the capacity of the water tank 1 can be larger. On the other hand, the underground structure can well maintain the water temperature. With the arrangement of the insulating layer, the heat loss can be effectively reduced.

[0029] The water tank 1 is made of concrete structure, enabling it to be made larger with a firm and stable structure, which does not affect the construction of the greenhouse above. The waterproof layer is provided to prevent water from leaking around the water tank.

[0030] A heat preservation cover plate 4 is provided above the water tank 1, which can enclose the water tank 1, reduce the transpiration of water. Even if there is evaporated water vapor, it will condense under the heat preservation cover plate 4 and fall back into the water tank again, reducing water loss. The greenhouse floor can also be normally laid above the water tank 1. The greenhouse floor has a certain thickness and can cover these water tanks. For greenhouses with aquatic plant cultivation or fish farming, the water in the water tank can also be utilized.

[0031] In some embodiments, the water tank 1 is a concealed drain arranged underground in the greenhouse. The concealed drain is arranged in a circuitous closed loop, and at least one heat exchange pipeline is arranged along the direction of the concealed drain.

[0032] The concealed drain is arranged in a distributed manner underground in the greenhouse, which can greatly increase the length of the concealed drain. Its length can be greater than the perimeter of the entire greenhouse, so that more water can be stored and the path length of heat exchange can be increased, which is beneficial to the full heat exchange of air. In this embodiment, only one heat exchange pipeline is arranged along the layout direction of the concealed drain. However, there can be multiple intake pipelines and exhaust pipelines, and multiple intake pipelines and exhaust pipelines can be reasonably distributed according to the structure of the indoor space of the greenhouse to better form air circulation.

[0033] Furthermore, several maintenance channels 9 are arranged at intervals on the concealed drain. The maintenance channels 9 extend out of the ground of the greenhouse and are provided with maintenance openings with end covers. The maintenance channels 9 are arranged at each turning node of the concealed drain.

[0034] For the heat exchange pipeline 5, its turning and bending places are also at the turning nodes of the concealed drain, and the places where it is prone to failure are mostly at the turning places. Therefore, setting the maintenance channel 9 at this place is beneficial to the later maintenance of the heat exchange pipeline and can also take out and replace the heat exchange pipeline in sections.

[0035] Furthermore, a ground drain channel 10 is also provided on the concealed drain. The ground drain channel 10 extends to the ground of the greenhouse and is provided with a grille cover plate. These ground drain channels 10 can be set during the construction of the glass greenhouse. They are all made of concrete structure and are provided with waterproof and heat preservation measures. The setting of the maintenance channel 9 facilitates the maintenance of the pipelines inside. A circulation pump is arranged in the ground drain channel 10 to keep the water in the ground drain flowing. A filter screen is also arranged in the ground drain to prevent sundries from entering the water and keep the water clean.

[0036] Further, the blind ditches enclose a rectangular structure, and the blind ditches on the long sides of the rectangular structure are arranged in a horizontal and vertical bending path. As Figure 1 shown, the blind ditch is a basically left-right symmetric structure. On the long sides of both sides, the blind ditch is arranged by horizontal and vertical back-and-forth bends, which can increase the total length of the water tank.

[0037] Further, the cross-sectional width of the blind ditch is not less than 200 mm, the cross-sectional depth of the blind ditch is not less than 500 mm, and the total length of the blind ditch is not less than 50 m. For a greenhouse with an area exceeding 2000 square meters, the total length of the underground blind ditch will exceed 400 m.

[0038] Further, the water tank 1 is a cast-in-place structure or a precast structure. The heat preservation layer 2 is arranged on the inner side of the inner wall, and the waterproof layer 3 is arranged on the outer side of the inner wall; or the waterproof layers are respectively arranged on both the inner and outer sides of the heat preservation layer.

[0039] The heat preservation layer 2 can be a covered heat preservation building material, and the waterproof layer 3 can be a waterproof coating or a waterproof roll. During construction, the heat preservation building material can be laid first, and then the waterproof coating can be applied; or after laying the waterproof roll, the heat preservation building material can be laid, and then the waterproof coating can be applied. Through this structure, the heat preservation and waterproof performance of the entire water tank can be improved.

[0040] Further, a plurality of support seats 7 are arranged in the water tank 1, and installation chutes 8 are arranged on the support seats 7. The installation chutes 8 are used to connect and support the heat exchange pipes 5, and there is a spacing between the outer periphery of the heat exchange pipes 5 and the inner periphery of the water tank 1; both the support seats 7 and the heat exchange pipes 5 are metal structural members, such as made of aluminum.

[0041] Using the support seats 7 and the installation chutes 8, these heat exchange pipes 5 can be easily installed and supported. The surrounding of them is all water, which is beneficial to their full heat exchange.

[0042] Further, a plurality of partition plates 6 are arranged along the running direction in the heat exchange pipes 5. The partition plates 6 are arranged obliquely and divide the heat exchange pipes 5 into several channels. These partition plates 6 can increase the contact area between air and metal, and thus increase the heat exchange area with water, and greatly improve the heat exchange efficiency and effect on the premise of not affecting the air flow speed and smoothness.

[0043] In some embodiments, as Figure 4 shown, the water tank 1 is an underground dark pool, and the heat exchange pipes 5 are arranged horizontally and vertically or spirally in the underground dark pool. The water tank arranged in this way is a relatively large underground water pool structure, and the heat exchange pipes are arranged in it.

[0044] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A greenhouse groundwater tank structure, characterized in that It includes a water tank arranged underground in the greenhouse. The water tank is of a concrete structure. The inner wall of the water tank is provided with a heat insulation layer and a waterproof layer. A heat exchange pipeline is installed in the water tank. The heat exchange pipeline is connected with an air inlet pipeline and an air outlet pipeline leading outside the water tank. A heat insulation cover plate is arranged above the water tank or the greenhouse floor structure is paved.

2. The greenhouse groundwater tank structure according to claim 1, characterized in that, The water tank is an underground culvert arranged underground in the greenhouse. The underground culvert is arranged in a circuitous closed loop, and at least one such heat exchange pipeline is arranged along the trend of the underground culvert.

3. The greenhouse groundwater tank structure according to claim 2, characterized in that, A number of inspection channels are arranged at intervals on the underground culvert. The inspection channels extend out of the ground of the greenhouse and are provided with inspection openings with end covers; the inspection channels are arranged at each turning node of the underground culvert.

4. The greenhouse groundwater tank structure according to claim 2, characterized in that, A ground communication channel is also arranged on the underground culvert. The ground communication channel extends to the ground of the greenhouse and is provided with a grille cover plate.

5. The greenhouse groundwater tank structure according to claim 2, characterized in that, The underground culvert encloses a rectangular structure, and the underground culvert on the long side of the rectangular structure is arranged in a path of vertical and horizontal bends.

6. The greenhouse groundwater tank structure according to claim 2, characterized in that, The width of the underground culvert is not less than 200 mm, the depth of the underground culvert is not less than 500 mm, and the total length of the underground culvert is not less than 50 m.

7. The greenhouse groundwater tank structure according to claim 1, characterized in that, The water tank is a cast-in-place structure or a precast structure. The heat insulation layer is arranged on the inner side of the inner wall, and the waterproof layer is arranged on the outer side of the inner wall; or the waterproof layers are respectively arranged on both the inner and outer sides of the heat insulation layer.

8. The greenhouse groundwater tank structure according to claim 1, characterized in that, A number of support seats are arranged in the water tank. Installation chucks are arranged on the support seats. The installation chucks are used to connect and support the heat exchange pipeline. There is a spacing between the outer circumference of the heat exchange pipeline and the inner circumference of the water tank; both the support seats and the heat exchange pipeline are metal structural parts.

9. The greenhouse groundwater tank structure according to claim 1, characterized in that, A number of partition plates are arranged along the trend in the heat exchange pipeline. The partition plates are arranged obliquely and divide the heat exchange pipeline into a number of channels.

10. The greenhouse groundwater tank structure according to claim 1, characterized in that, The water tank is an underground dark pool, and the heat exchange pipeline is arranged horizontally and vertically or spirally in the underground dark pool.

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