Spraying cooling device on top of granary

Abstract

The utility model relates to the technical field of granary top cooling, and discloses a granary top spraying cooling device which comprises a water conveying main pipe arranged in the length direction of a granary top, and a plurality of sprayers are arranged on the water conveying main pipe at intervals. The inlet end of the water conveying main pipe is communicated and connected with a booster pump, and the inlet end of the booster pump is communicated and connected with the reservoir; a circulating water conveying pipe is further communicated with the interior of the water storage pond, the top end of the circulating water conveying pipe is communicated with two circulating water tanks, and the two circulating water tanks are arranged at the barn eaves on the two sides of the top of the barn respectively. According to the utility model, heat accumulated on the top of the granary can be taken away by spraying to the top of the granary at regular time and utilizing the transpiration of water, so that the temperature of the top of the granary is reduced, heat transfer into the granary is reduced, and the aims of reducing the temperature of the granary and controlling the temperature of grains are fulfilled.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of granary top cooling, and particularly relates to a granary top spraying cooling device. BACKGROUND

[0002] The grain storage in China is facing the problem of significant summer high temperature stress. Because the top of the granary is directly exposed to solar radiation, the surface temperature can reach more than 60℃, and the existing granary is generally insufficient in heat insulation due to the limitation of construction conditions. This high temperature environment rapidly raises the temperature in the space of the granary through conduction, causing the average temperature of the grain pile to rise by 5-8℃ compared with the outside environment. The continuous high temperature provides a suitable breeding environment for stored grain pests (such as Sitophilus zeamais Motschulsky and Rhyzopertha dominica) and molds (such as Aspergillus and Penicillium), and their metabolic activities will further release heat to form a vicious cycle, ultimately causing water loss, reduced germination rate and deterioration of nutritional quality of grain. Therefore, a granary top spraying cooling device capable of cooling the top of the granary is urgently needed. SUMMARY

[0003] The utility model aims at providing a granary top spraying cooling device, which can spray water to the top of the granary at regular intervals, utilize the transpiration of water to take away the heat accumulated in the top of the granary, reduce the temperature of the top of the granary, reduce the transfer of heat to the inside of the granary, and thus achieve the purpose of reducing the temperature of the granary and controlling the temperature of the grain.

[0004] The utility model adopts the following technical scheme:

[0005] A granary top spraying cooling device comprises a water delivery main pipe arranged along the length direction of the top of the granary, and a plurality of spray heads are arranged on the water delivery main pipe at intervals; a booster pump is connected in a conductive manner to the inlet end of the water delivery main pipe, and the inlet end of the booster pump is connected in a conductive manner to a water storage tank; a circulating water delivery pipe is also connected in a conductive manner to the water storage tank, the top end of the circulating water delivery pipe is connected in a conductive manner to a circulating water tank, and two circulating water tanks are arranged, one on each side of the top of the granary.

[0006] Preferably, the inner bottom wall of the circulating water tank forms a sloping surface gradually rising from one end close to the circulating water delivery pipe to the other end away from the circulating water delivery pipe.

[0007] Preferably, the circulating water pipe comprises a first drainage part communicated with the circulating water tank, one side of the first drainage part is provided with an elbow, an outlet end of the elbow is connected with a second drainage part, the second drainage part is communicated with the water storage pool; a filter screen cylinder is arranged in the first drainage part on one side of the elbow, the filter screen cylinder is open at the top, a sealing ring is arranged in the first drainage part above the filter screen cylinder, the inner diameter of the sealing ring is not greater than the inner diameter of the filter screen cylinder; the bottom of the filter screen cylinder is arranged on a connecting seat, the connecting seat is detachably arranged at the bottom end of the first drainage part and seals the bottom end of the first drainage part; a cleaning rod extending into the filter screen cylinder is rotatably arranged on the connecting seat, and brush hairs in contact with the inner wall of the filter screen cylinder are arranged on the cleaning rod.

[0008] Preferably, the filter screen cylinder is in a cylindrical structure.

[0009] Preferably, the outer diameter of the filter screen cylinder is smaller than the inner diameter of the first drainage part.

[0010] Preferably, a sewage collecting groove is arranged on one side of the connecting seat deviating from the elbow, the sewage collecting groove is communicated with the inside of the filter screen cylinder; a cover plate with a size not smaller than that of the sewage collecting groove is arranged on the cleaning rod, and the cover plate covers the sewage collecting groove in an initial state; the brush hairs are arranged at an angle with the cover plate.

[0011] Preferably, the size of the cover plate is greater than that of the sewage collecting groove.

[0012] Preferably, the bottom of the brush hairs is in contact with the inner wall of the connecting seat.

[0013] Preferably, a sewage cleaning cover is detachably arranged on the connecting seat at the bottom of the sewage collecting groove.

[0014] Preferably, the connecting seat is detachably connected with the first drainage part through threads.

[0015] Compared with the prior art, the utility model has the beneficial effects that: the utility model is arranged on the top of the grain depot, and the spray head is arranged on the water conveying main pipe, the dynamic water film is formed on the top of the depot through atomization spraying, the surface temperature is reduced by 15-20 DEG C by using the latent heat principle, the temperature of the top of the depot is reduced, the heat transfer to the inside of the depot is reduced, and the purpose of reducing the temperature of the depot and controlling the temperature of the grain is achieved, so that the stable microenvironment of the grain pile is constructed, and the grain storage is ensured; in addition, the spraying water flowing down from the top of the depot can be received by the circulating water tank, and after being conveyed by the circulating conveying pipe, the water is recycled in the water storage pool, the waste of resources is greatly reduced, the water flow along the top cornice on both sides of the depot is avoided, the staff passing through is not affected, and the adverse effects of the water penetrating into the wall of the depot on the depot are avoided, and the dryness and cleanness of the depot are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of an embodiment of this application;

[0017] Figure 2 This is a cross-sectional view of the circulating water tank according to an embodiment of this application;

[0018] Figure 3 This is a cross-sectional view of the first drainage section in an embodiment of this application;

[0019] Figure 4 This is a top view of the connector in an embodiment of this application. Detailed Implementation

[0020] The present invention will now be described clearly and completely with reference to the accompanying drawings and embodiments:

[0021] Example 1

[0022] like Figure 1 As shown, the present invention discloses a grain silo roof spray cooling device, comprising a main water supply pipe 1, which is arranged along the length of the grain silo on the top of the grain silo. Multiple nozzles 2 are spaced apart on the main water supply pipe 1 for spraying water to cool the top of the grain silo. The nozzles 2 can be selected as rotating nozzles or fixed nozzles according to actual needs, and can be matched with the size of the grain silo roof and local temperature conditions. A booster pump 3 is connected to the inlet end of the main water supply pipe 1, and the inlet end of the booster pump 3 is connected to a water storage tank 4. The water storage tank 4 is connected to a water pump to replenish water in a timely manner. The water storage tank 4 can be covered or left open; preferably, it can be covered with a sealed cover to reduce moisture in sunny weather. Evaporation is controlled by opening the end cover during rainy weather to store water flow and reduce water waste during subsequent spraying. To prevent nozzles 2 from clogging the pipe connected to the inlet of the booster pump 3, a filter screen is installed to filter the spray water and prevent impurities from clogging the nozzles 2. A circulating water pipe 5 is also connected to the water storage tank 4. The top of the circulating water pipe 5 is connected to the circulating water tank 6. There are two circulating water tanks 6, which are set at the eaves on both sides of the top of the grain silo. Each circulating water tank 6 can be connected to a circulating water pipe 5 and then connected to the water storage tank 4. Alternatively, one side of the circulating water pipe 5 can be connected to the circulating water pipe 5 connected to the water storage tank 4 to collect water flow. The specific matching can be selected according to actual needs.

[0023] The utility model discloses a cooling and spraying device for grain storehouse, including the water tank 4, the water tank 4 bottom is provided with the booster pump 3, the booster pump 3 is connected with the water tank 4, the water tank 4 top is provided with the spray head 2, the spray head 2 is connected with the circulating water tank 6, the circulating water tank 6 is connected with the circulating water pipe 5, the circulating water pipe 5 is connected with the water tank 4.

[0024] Example two

[0025] As Figures 3-4 The utility model discloses a cooling and spraying device for grain storehouse, including the water tank 4, the water tank 4 bottom is provided with the booster pump 3, the booster pump 3 is connected with the water tank 4, the water tank 4 top is provided with the spray head 2, the spray head 2 is connected with the circulating water tank 6, the circulating water tank 6 is connected with the circulating water pipe 5, the circulating water pipe 5 is connected with the water tank 4.

[0026] The utility model discloses a cooling and spraying device for grain storehouse, including the water tank 4, the water tank 4 bottom is provided with the booster pump 3, the booster pump 3 is connected with the water tank 4, the water tank 4 top is provided with the spray head 2, the spray head 2 is connected with the circulating water tank 6, the circulating water tank 6 is connected with the circulating water pipe 5, the circulating water pipe 5 is connected with the water tank 4.

[0027] The cleaning rod 10 is rotatably arranged on the connecting seat 9 and extends into the filter screen cylinder 7, and the brush 11 arranged on the cleaning rod 10 is in contact with the inner wall of the filter screen cylinder 7. The inner wall of the filter screen cylinder 7 is cleaned by rotating the cleaning rod 10 and driving the brush 11, so that the dirt attached to the inner wall of the filter screen cylinder 7, especially the dirt on the filter screen cylinder 7 close to the elbow 5-2, can be cleaned and removed in time, thereby ensuring the filtering efficiency.

[0028] The connecting seat 9 is provided with a dirt collecting groove 12 on the side away from the elbow 5-2, and the dirt collecting groove 12 is in communication with the inside of the filter screen cylinder 7; the cleaning rod 10 is provided with a cover plate 13 with a size not less than that of the dirt collecting groove 12, and the cover plate 13 covers the dirt collecting groove 12 in the initial state; and the brush 11 is arranged at an angle with the cover plate 13. During work, the dirt falling off can be pushed into the dirt collecting groove 12 for collection by rotating the cleaning rod 10, which is convenient for subsequent centralized treatment; and the size of the cover plate 13 is preferably greater than that of the dirt collecting groove 12, so as to realize the tightness of the sealing of the dirt collecting groove 12. In addition, the bottom of the brush 11 is also in contact with the inner bottom wall of the connecting seat 9, so as to realize the cleaning treatment of the dirt falling on the connecting seat 9. In the embodiment, the connecting seat 9 at the bottom of the dirt collecting groove 12 is preferably detachably provided with a dirt cleaning cover 14, so as to facilitate the cleaning of the dirt without disassembling the connecting seat 9, thereby improving the practicability of the utility model. The dirt cleaning cover 14 and the connecting seat 9 can be connected by bolts or threads, and the specific matching setting can be realized according to the requirements.

[0029] In the first and second embodiments, as shown in Figure 2 The inner bottom wall of the circulating water tank 6 is formed as a gradually rising slope surface from the end close to the circulating water pipe 5 to the end away from the circulating water pipe 5, so as to provide drainage for the water entering the circulating water tank 6 and make the water flow smoothly into the circulating water pipe 5, thereby realizing simple structure and strong practicability.

Claims

1. A silo top spray cooling device, characterized by: The water supply main pipe is arranged along the length direction of the granary roof, and multiple spray heads are arranged on the water supply main pipe at intervals; the inlet end of the water supply main pipe is connected with a booster pump in a conductive mode, and the inlet end of the booster pump is connected with a water storage pool in a conductive mode; a circulating water supply pipe is further arranged in the water storage pool in a conductive mode, the top end of the circulating water supply pipe is connected with a circulating water tank in a conductive mode, and two circulating water tanks are arranged at the eaves on the two sides of the granary roof.

2. The silo top spray cooling device of claim 1, wherein: The inner bottom wall of the circulating water tank is formed as a slope surface gradually rising from one end close to the circulating water supply pipe to the other end far away from the circulating water supply pipe.

3. The silo top spray cooling apparatus according to claim 2, wherein: The circulating water supply pipe comprises a first drainage part connected with the circulating water tank in a conductive mode, a bend pipe is arranged on one side of the first drainage part, the outlet end of the bend pipe is connected with a second drainage part, and the second drainage part is connected with the water storage pool in a conductive mode; a filter screen cylinder is arranged in the first drainage part on one side of the bend pipe, the top of the filter screen cylinder is open, a sealing ring is arranged in the first drainage part above the filter screen cylinder, the inner diameter of the sealing ring is not greater than the inner diameter of the filter screen cylinder; the bottom of the filter screen cylinder is arranged on a connecting seat, the connecting seat is detachably arranged at the bottom end of the first drainage part and seals the bottom end of the first drainage part; a cleaning rod extending into the filter screen cylinder is rotatably arranged on the connecting seat, and brush hairs in contact with the inner wall of the filter screen cylinder are arranged on the cleaning rod.

4. The silo top spray cooling device of claim 3, wherein: The filter screen cylinder is in a cylindrical structure.

5. The silo top spray cooling apparatus according to claim 4, wherein: The outer diameter of the filter screen cylinder is smaller than the inner diameter of the first drainage part.

6. The silo top spray cooling apparatus according to claim 3, wherein: A sewage collecting tank is arranged on the side of the connecting seat deviated from the bend pipe, the sewage collecting tank is connected with the inside of the filter screen cylinder in a conductive mode, the size of a cover plate arranged on the cleaning rod is not smaller than that of the sewage collecting tank, and the cover plate covers the sewage collecting tank in an initial state; the brush hairs are arranged at an angle with the cover plate.

7. The silo top spray cooling apparatus according to claim 6, wherein: The size of the cover plate is greater than that of the sewage collecting tank.

8. The silo top spray cooling apparatus according to claim 6, wherein: The bottom of the brush hairs is in contact with the inner wall of the connecting seat.

9. The silo top spray cooling apparatus according to claim 6, wherein: A sewage cleaning cover is detachably arranged on the connecting seat at the bottom of the sewage collecting tank.

10. The silo top spray cooling apparatus according to claim 3, wherein: The connecting seat and the first drainage part are detachably connected through threads.

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