System for winter greenhouse

Abstract

The utility model relates to the technical field, in particular to a system for a greenhouse in winter, which comprises a biomass gasification furnace and a plurality of light supplementing and temperature increasing structural members arranged in the greenhouse at intervals. The biomass gasification furnace communicates with the light supplementing and temperature increasing structural part through a gas pipeline so as to provide light emitting and heating energy for the light supplementing and temperature increasing structural part. A plurality of light supplementing and temperature increasing structural parts are arranged in the greenhouse, biomass gasification fuel gas is provided through an external biomass gasification furnace, and the fuel gas reaches a fuel gas inlet of each light supplementing and temperature increasing structural part through a fuel gas pipeline so as to provide light emitting and heating energy for the greenhouse. The biomass gasification furnace can reasonably utilize resources in the field of greenhouses, the gasification furnace adopts straw, wood and other widely existing materials as raw materials, the raw materials are wide in source, low in manufacturing cost, convenient to obtain and low in price, the heat value which can be achieved by the gasification furnace is equivalent to the heat value converted by coal, and the manufacturing cost of the gasification furnace is less than half of the price of the coal.

Description

Technical Field

[0001] The utility model relates to the technical field of greenhouses, in particular to a system used for greenhouses in winter. Background Art

[0002] Generally, agricultural cash crops grow in greenhouses in winter, and solar greenhouses can only basically meet the production needs of agricultural cash crops. Because the winter in the north is extremely cold, and the temperature drops as the daylight hours become shorter, it is suitable for growing vegetable cash crops such as cucumbers and tomatoes. However, as the regional latitude gradually moves south, the temperature of the solar greenhouses in the north is extremely low in winter, which makes production more difficult. In particular, continuous cloudy and snowy weather in winter will bring great challenges to the production of solar greenhouses in greenhouses, and even crops will be frozen and harvested. In addition, the production capacity of fruits and vegetables in the north plummets in winter, which is only half of the peak production period in spring and autumn, seriously affecting farmers' income. Because light and temperature are two necessary factors for the growth of greenhouse vegetables.

[0003] Therefore, in the winter, greenhouses in the north currently use supplementary lighting and / or temperature increase methods to provide additional lighting for crops so that the crops can meet normal growth needs.

[0004] Among the existing methods of supplementary lighting, the main method is to set up multiple supplementary lights in the greenhouse to achieve the supplementary lighting function. However, this supplementary lighting method will be affected by the number of supplementary light sources and the power of the power grid. Specifically, the following two problems are generally very difficult to solve: the first problem is that the small number of light sources cannot fully play the role of supplementary lighting. Once the number of light sources is large, although it can play the role of supplementary lighting, the cost of the supplementary lights is high and difficult to afford. The second problem is that the large number of light sources causes the large power of supplementary lighting, insufficient power grid load, and high electricity costs. For example: greenhouses are generally concentrated in one area, with thousands of greenhouses in a township, and each 100-meter greenhouse consumes more than ten kilowatts of electricity per hour. The small capacity of rural power grid lines cannot provide sufficient load.

[0005] At present, one of the existing methods of increasing temperature is to burn carbon blocks, but the effect of this method of increasing temperature is poor and the safety is low. Another method is to heat the room with heating, but the installation of heating requires a lot of work and is costly. Utility Model Content

[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a system for winter greenhouses, which solves the technical problems of the existing fill light being high in cost and unaffordable, having a small line capacity and being unable to provide sufficient load, having low safety, large engineering workload and high cost.

[0007] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0008] The embodiment of the utility model provides a system for a greenhouse in winter, comprising a biomass gasification furnace and a plurality of supplementary light and temperature increasing structural members arranged at intervals in the greenhouse;

[0009] The biomass gasification furnace is connected to the supplementary light and heating structural components through gas pipelines to provide the supplementary light and heating structural components with energy for emitting light and generating heat.

[0010] Optionally, the supplementary light and temperature-increasing structural member comprises a shell with an opening, a gas intake device arranged outside the shell, a light-emitting unit arranged at the opening of the shell, and a reflective member arranged inside the shell;

[0011] The gas inlet device has a gas inlet and a plurality of gas outlets;

[0012] The light-emitting unit includes an ignition device and a plurality of nozzles, and a light-emitting member that is arranged in one-to-one correspondence with the plurality of nozzles and fixedly mounted on the nozzles. The top of each nozzle passes through the shell and is connected to the gas outlet. The nozzle can spray gas. The ignition device can ignite the gas sprayed from the nozzle. After the gas burns at the nozzle to form a local high temperature, the thorium dioxide in the light-emitting member emits light at the high temperature. A part of the light and high temperature emitted from the nozzle is directly radiated onto the plant, and the other part is reflected onto the plant through the reflective member inside the shell.

[0013] Optionally, the housing comprises a top wall and a first side wall, a second side wall, a third side wall and a fourth side wall sequentially arranged along the edges of the bottom end surface of the top wall;

[0014] The reflective element is laid flat on the bottom end surface of the top wall, and a plurality of through holes for the nozzles to pass through are provided on the top wall and the reflective element.

[0015] Optionally, the gas intake device comprises a main intake pipe, an annular pipeline, and a plurality of gas outlets opened along the lower side of the outer wall of the annular pipeline;

[0016] The annular pipeline is arranged parallel to the top wall, the main air intake pipe is located on one side of the annular pipeline, one end of the main air intake pipe is the gas inlet, and the other end of the main air intake pipe is connected to the annular pipeline.

[0017] Optionally, the light-emitting component is a light-emitting gauze cover provided on the nozzle, the light-emitting gauze cover is a white woven fabric, and the light-emitting gauze cover is made of thorium dioxide.

[0018] Optionally, the reflective element is a heat-insulating reflective plate.

[0019] Optionally, the ignition device comprises two electronic igniters located at diagonally opposite corners within the housing;

[0020] The ignition device further comprises two combustible gas detection sensors, which are respectively arranged on the electronic igniter to detect the gas content around the electronic igniter.

[0021] Optionally, a plurality of the nozzles are arranged at intervals along the circumference of the annular pipeline, and the distance between adjacent nozzles is 100 mm. Beneficial Effects

[0022] The beneficial effects of the utility model are as follows: the utility model is a system for winter greenhouses, by arranging multiple supplementary light and heating structural parts in the greenhouse, and providing biomass gasification gas through an external biomass gasification furnace, the gas reaches the gas inlet of each supplementary light and heating structural part through a gas pipeline, so as to provide light and heat energy for the greenhouse. The use of biomass gasification furnaces in the field of greenhouses can reasonably utilize resources, and the gasification furnace uses widely existing materials such as straw and wood as raw materials, the raw materials are widely available, the cost is low, the materials are convenient to obtain, and the price is low. The calorific value that can be achieved is equivalent to the calorific value of coal, but the cost is less than half of the price of coal. The biomass fuel of the utility model is green and environmentally friendly, and there is no pollution because the biomass fuel is mainly composed of methane, hydrogen and carbon monoxide after gasification, and water and carbon dioxide are generated after combustion. Carbon dioxide is used as gas fertilizer for plants for secondary use, and does not pollute the environment. It solves the technical problems of the existing supplementary light, such as high cost, difficulty to afford, small line capacity, inability to provide sufficient load, low safety, large engineering volume and high cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of a system for a winter greenhouse according to the utility model;

[0024] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the supplementary light and warming structural component;

[0025] Figure 3 for Figure 2 Schematic diagram of the structure flipped 180°;

[0026] Figure 4 for Figure 3 A detailed enlarged schematic diagram of the circled "A" (the burning luminous body is not shown);

[0027] Figure 5 for Figure 1 Schematic side cross-sectional view (showing the burning luminous body).

[0028] [Description of Reference Numerals]

[0029] 1: biomass gasification furnace; 2: supplementary light and heating structure; 21: shell; 211: top wall; 212: first side wall; 213: second side wall; 214: third side wall; 215: fourth side wall; 22: gas intake device; 221: gas inlet; 222: gas outlet; 223: main intake pipe; 224: annular pipeline; 23: reflector; 24: ignition device; 241: electronic igniter; 242: combustible gas detection sensor; 25: nozzle; 26: light-emitting member. DETAILED DESCRIPTION

[0030] In order to better explain the utility model and facilitate understanding, the utility model is described in detail below with reference to the accompanying drawings through specific implementation methods. Figure 1 The orientation is used as a reference.

[0031] See also Figure 1-Figure 5 As shown, a system for a winter greenhouse includes a biomass gasification furnace 1 and a plurality of supplementary lighting and heating structures 2 arranged at intervals in the greenhouse.

[0032] The biomass gasification furnace 1 is connected to the supplementary light and heating structure 2 through the gas pipeline, so as to provide the supplementary light and heating structure 2 with energy for emitting light and generating heat.

[0033] In this embodiment, the use of biomass gasifiers in the field of greenhouses can reasonably utilize resources, and the gasifier uses widely available materials such as straw and wood as raw materials. The raw materials are widely available, low in cost, easy to obtain, and low in price. The calorific value it can achieve is equivalent to the calorific value of coal, but its cost is less than half of the price of coal. The biomass fuel of the utility model is green and environmentally friendly, and pollution-free because the biomass fuel is mainly composed of methane, hydrogen and carbon monoxide after gasification, and water and carbon dioxide are generated after combustion. Carbon dioxide is reused as a gas fertilizer for plants and does not pollute the environment. It solves the technical problems of the existing fill light, which is high in cost, difficult to afford, small line capacity and cannot provide sufficient load, low safety, large engineering volume and high cost.

[0034] In this embodiment, the light-filling and temperature-increasing structural member 2 comprises an open shell 21, a gas intake device 22 arranged outside the shell 21, a light-emitting unit arranged at the open portion of the shell 21, and a reflector 23 arranged inside the shell 21. The gas intake device 22 has a gas intake port 221 and a plurality of gas outlets 222. The light-emitting unit comprises an ignition device 24 and a plurality of nozzles 25, and a light-emitting member 26 arranged one by one corresponding to the plurality of nozzles 25 and fixedly sleeved on the nozzles 25. The top of each nozzle 25 passes through the shell 21 and is connected to the gas outlet 222. The nozzle 25 can spray gas, and the ignition device 24 can ignite the gas sprayed from the nozzle 25. After the gas burns at the nozzle 25 to form a local high temperature, the thorium dioxide in the light-emitting member 26 emits light at high temperature. A part of the light and high temperature emitted from the nozzle 25 is directly radiated to the plant, and the other part is reflected to the plant through the reflector 23 inside the shell 21. By setting a plurality of light-filling and temperature-increasing structures 2 in the greenhouse, and providing biomass gasification gas through the external biomass gasification furnace 1, the gas reaches the gas inlet 221 of each light-filling and temperature-increasing structure 2 through the main gas inlet pipe 223 of the gas pipeline, so as to provide the greenhouse with light and heat energy. Then, it reaches each nozzle 25 through the gas outlet 222 of the branch pipeline. Since the light-emitting component 26 is fixed on the combustion nozzle 25 in advance, the gas is mixed by contact with the primary and secondary air, and is ejected through the nozzle 25. When the ignition device 24 detects the gas, the electronic igniter 241 of the ignition device 24 is automatically started, the arc is ignited, and after the gas is ignited, the combustible gas detection sensor 242 of the ignition device 24 automatically turns off the electronic igniter 241 after not detecting the combustible gas for more than 3 seconds. After the gas burns at the nozzle 25, a local high temperature is formed. The thorium dioxide in the light-emitting component 26 emits light at high temperature. Part of the emitted light and heat is directly radiated to the plants, and the other part is reflected to the plants through the reflective member 23 inside the shell, and the carbon dioxide produced by the combustion is directly released into the greenhouse environment. That is, through the interaction between the light-emitting member 26 and the reflective member 23, the light and heat can act on the plant body more efficiently, thereby increasing the yield of the greenhouse and improving the overall use efficiency of the biomass gasifier 1.

[0035] Furthermore, the housing 21 includes a top wall 211 and a first side wall 212, a second side wall 213, a third side wall 214 and a fourth side wall 215 which are sequentially arranged along the edges of the bottom end surface of the top wall 211. The reflector 23 is laid flat on the bottom end surface of the top wall 211, and a plurality of through holes are provided on the top wall 211 and the reflector 23 for the nozzle 25 to pass through. This facilitates better molding and installation of the nozzle 25 and the reflector 23, thereby improving the efficiency of installation and maintenance.

[0036] Furthermore, the gas intake device 22 includes a main intake pipe 223, an annular pipeline 224, and a plurality of gas outlets 222 opened along the lower outer wall of the annular pipeline 224. The annular pipeline 224 is arranged parallel to the top wall 211, the main intake pipe 223 is located on one side of the annular pipeline 224, one end of the main intake pipe 223 is a gas intake port 221, and the other end of the main intake pipe 223 is connected to the annular pipeline 224. By setting the annular pipeline 224, the gas can be smoothly introduced into the entire nozzle 25 of the supplementary light and heating structure 2, and the transmission efficiency is fast. Preferably, the main intake pipe 223 can also extend to another branch of the annular pipeline 224, and the length branch pipes of the annular pipeline 224 arranged in parallel in the length direction can be simultaneously supplied with gas through one main intake pipe 223, so as to ensure that the time when the gas reaches each nozzle 25 is similar, and then it can be ignited at the same time, thereby improving the use efficiency.

[0037] Furthermore, the light-emitting member 26 is a light-emitting gauze cover arranged on the nozzle 25, and the light-emitting gauze cover is a white woven fabric, and the light-emitting gauze cover is made of a material containing thorium dioxide. The light-emitting gauze cover is easy to shape and has a good light-emitting effect and low cost. Here, it should be noted that the light-emitting gauze cover is composed of high-temperature resistant fiber and thorium dioxide material, and the thorium dioxide entering the fiber belongs to traditional technology, which will not be repeated here. Specifically, the existing light-emitting gauze cover is composed of cotton yarn and a material containing thorium dioxide. The fiber in the present invention is made of high-temperature resistant fiber, and the high-temperature resistant fiber includes carbon fiber, basalt fiber, aluminum oxide fiber, quartz fiber, but is not limited to the above materials.

[0038] Furthermore, the reflector 23 is a heat-insulating reflector, which can further protect the top wall 211 of the housing 21, and the heat can also be better returned to the plant itself.

[0039] Furthermore, the ignition device 24 includes two electronic igniters 241 located at diagonally opposite corners in the housing 21. The ignition device 24 also includes two combustible gas detection sensors 242, which are respectively arranged on the electronic igniter 241 to detect the gas content around the electronic igniter 241. Because the gas composition and oxygen ratio will change, in order to avoid the gas from being extinguished midway, the gas detection sensor equipped with each igniter detects the gas concentration in real time. If the gas concentration is high, it will be re-ignited. If there is a gas leak in the environment at a location other than the nozzle 25, the main pipeline valve is directly closed, and the on-duty person's mobile phone is remotely notified of the alarm through the Internet of Things control terminal. This further improves the safety of the entire system.

[0040] Furthermore, a plurality of nozzles 25 are arranged at intervals along the circumference of the annular pipeline 224, and the distance between adjacent nozzles 25 is 100 mm. The distance between each nozzle 25 is 100 mm, so that they can ignite each other, improve the efficiency of ignition, and further improve the efficiency of the system.

[0041] In the description of the present utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0042] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] In the present utility model, unless otherwise clearly specified and limited, when a first feature is “on” or “below” a second feature, it may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, when a first feature is “above”, “above” or “above” a second feature, it may be that the first feature is directly above or obliquely above the second feature, or it may simply mean that the first feature is higher in level than the second feature. When a first feature is “below”, “below” or “below” a second feature, it may be that the first feature is directly below or obliquely below the second feature, or it may simply mean that the first feature is lower in level than the second feature.

[0044] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0045] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A system for a winter greenhouse, characterized in that: It comprises a biomass gasification furnace (1) and a plurality of light-supplementing and temperature-increasing structural members (2) arranged at intervals in the greenhouse; The biomass gasification furnace (1) is connected to the supplementary light and temperature-increasing structural components (2) through gas pipelines, so as to provide the supplementary light and temperature-increasing structural components (2) with energy for emitting light and generating heat.

2. The system for winter greenhouse according to claim 1, characterized in that: The supplementary light and warming structure (2) comprises an outer shell (21) with an opening, a gas intake device (22) arranged outside the outer shell (21), a light-emitting unit arranged at the opening of the outer shell (21), and a reflective element (23) arranged inside the outer shell (21); The gas intake device (22) comprises a gas intake port (221) and a plurality of gas outlet ports (222); The light-emitting unit comprises an ignition device (24) and a plurality of nozzles (25), and a light-emitting member (26) which is arranged in one-to-one correspondence with the plurality of nozzles (25) and fixedly sleeved on the nozzles (25); the top of each nozzle (25) passes through the housing (21) and is connected to the gas outlet (222); the nozzle (25) is capable of spraying gas; the ignition device (24) is capable of igniting the gas sprayed from the nozzle (25); after the gas burns at the nozzle (25), a local high temperature is formed; the thorium dioxide in the light-emitting member (26) emits light at the high temperature; part of the light and high temperature emitted from the nozzle (25) is directly radiated onto the plant, and the other part is reflected onto the plant through the reflective member (23) inside the housing (21).

3. The system for winter greenhouse according to claim 2, characterized in that: The housing (21) comprises a top wall (211) and a first side wall (212), a second side wall (213), a third side wall (214) and a fourth side wall (215) which are sequentially arranged along the edges of the bottom end surface of the top wall (211); The reflective element (23) is laid flat on the bottom end surface of the top wall (211), and a plurality of through holes for the nozzle (25) to pass through are provided on both the top wall (211) and the reflective element (23).

4. The system for winter greenhouse according to claim 3, characterized in that: The gas intake device (22) comprises a main intake pipe (223), an annular pipeline (224), and a plurality of gas outlets (222) opened along the lower side of the outer wall of the annular pipeline (224); The annular pipeline (224) is arranged parallel to the top wall (211), the main air intake pipe (223) is located on one side of the annular pipeline (224), one end of the main air intake pipe (223) is the gas inlet port (221), and the other end of the main air intake pipe (223) is connected to the annular pipeline (224).

5. The system for winter greenhouse according to claim 2, characterized in that: The light-emitting member (26) is a light-emitting gauze cover that is covered on the nozzle (25); the light-emitting gauze cover is a white woven fabric; and the light-emitting gauze cover is made of a material containing thorium dioxide.

6. The system for winter greenhouse according to claim 5, characterized in that: The reflective member (23) is a heat-insulating reflective plate.

7. The system for winter greenhouse according to claim 2, characterized in that: The ignition device (24) comprises two electronic igniters (241) located at diagonally opposite corners inside the housing (21); The ignition device (24) further comprises two combustible gas detection sensors (242), wherein the two combustible gas detection sensors (242) are respectively arranged on the electronic igniter (241) to detect the gas content around the electronic igniter (241).

8. The system for a winter greenhouse according to claim 4, characterized in that: The plurality of nozzles (25) are arranged at intervals along the circumference of the annular pipeline (224), and the distance between adjacent nozzles (25) is 100 mm.

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