CN204502574U - A kind of silt filtering apparatus for collecting rain irrigation saving system - Google Patents

Abstract

The utility model discloses a sediment filtering device used in a rain-collecting and irrigation-saving system, which comprises a water storage tank. Water inlet pipes and water outlet pipes are respectively arranged on both sides of the water storage tank. The partition plate divides the reservoir into the water inlet side and the water outlet side. The inside of the water inlet side is provided with a first filter water pipe. The side wall of the first filter water pipe is connected with a second filter water pipe. The second filter water pipe is connected to the water outlet side. , the second filter water pipe is provided with a filter screen, the end of the first filter water pipe is connected to a third filter water pipe, the outlet of the third filter water pipe is located in the water inlet side, the third filter water pipe is connected to the second filter water pipe, and the filter screen It is located outside the third filtered water pipe, the third filtered water pipe and the separator are respectively located on both sides of the first filtered water pipe, and the inner wall of the water inlet side is provided with a wire mesh layer. The utility model can solve the deficiencies of the prior art, and improves the efficiency of sediment filtration in water.

Description

A sediment filter device for rain collection and irrigation system

technical field

The utility model relates to a water-saving irrigation equipment used on hilly slopes, in particular to a sediment filtering device used in a rain-collecting and irrigation-saving system.

Background technique

The groundwater resources in the vast hilly areas are poor, the area of sloping cultivated land is large, the fields are high and the water is low, so drought has become the main factor restricting agricultural production in hilly areas. How to make full use of the abundant water resources of seasonal rainfall to solve the drought of high fields and low water in hilly areas and sloping cultivated land is an important issue for the sustainable development of agriculture. Chinese invention patent application CN 101933449 A discloses a rain-collecting and irrigation-saving system for hilly slopes, which solves the problem of seasonal drought caused by abundant rainfall in hilly areas but is unevenly distributed in time and space, and improves the utilization of irrigation water efficiency. However, due to the high sediment content in the surface runoff in the rainy season in the hilly area, when the surface runoff is collected for irrigation, the problem of sediment blocking the irrigation pipeline often occurs. In the prior art, sedimentation tanks are often used to filter the irrigation water. However, this method requires a longer filtering time.

Utility model content

The technical problem to be solved by the utility model is to provide a sediment filtering device used in a rain-collecting and irrigation-saving irrigation system, which can solve the shortcomings of the prior art and improve the efficiency of sediment filtering in water.

In order to solve the problems of the technologies described above, the technical solutions adopted by the utility model are as follows.

A sediment filtering device used in a rain-collecting and irrigation-saving irrigation system, comprising a water storage tank, the two sides of the water storage tank are respectively provided with a water inlet pipe and a water outlet pipe, the middle part of the water storage tank is provided with a partition, and the partition board The height is lower than the height of the water storage tank, and the clapboard divides the water storage tank into a water inlet side and a water outlet side. A first filter water pipe is arranged inside the water inlet side, and a second filter water pipe is connected to the side wall of the first filter water pipe. The second filter water pipe is connected to the water outlet side, the second filter water pipe is provided with a filter net, the end of the first filter water pipe is connected with the third filter water pipe, the outlet of the third filter water pipe is located in the water inlet side, the third filter water pipe and the second filter water pipe The filter water pipes are connected with each other, the filter net is located outside the third filter water pipe, the third filter water pipe and the separator are respectively located on both sides of the first filter water pipe, and a water pump is respectively arranged in the second filter water pipe and the third filter water pipe to carry out The inner wall of the water side is provided with a wire mesh layer, and the diameter ratio of the first filter water pipe, the second filter water pipe and the third filter water pipe is 6:3:2.

As a preferred technical solution of the present invention, the bottom surface of the water inlet side is provided with several sets of symmetrically inclined baffles, and the included angle between the baffles and the bottom surface is 55°.

As a preferred technical solution of the utility model, the outlet pipe is provided with a U-shaped pipe, and the bottom of the U-shaped pipe is provided with a spherical cavity.

The beneficial effect of adopting the above-mentioned technical solution is that the utility model firstly divides the whole reservoir into two parts, the water inlet side is used for filtering sedimentation, and the water outlet side is used for irrigation and water storage. After the collected water containing silt enters the water inlet side, preliminary sedimentation is carried out on the water inlet side. At the same time, the water flow continuously flows into the first filter water pipe. In the first filter water pipe, part of the water flow flows into the second filter water pipe, and After being filtered by the filter screen, it flows into the water outlet side, and another part of the water flow flows into the third filter water pipe to flow upward in reverse to wash the silt filtered out of the filter screen, and finally flows back into the water inlet side. The water level on the outlet side increases continuously with the water inlet of the second filter water pipe, and finally crosses the dividing plate and flows back to the inlet side. The downward flowing water flow formed at the first filter water pipe, and the return water flow formed at the third filter water pipe and the partition are merged together to form a swirling water flow flow trend on the water inlet side, and this flow trend makes The sediment in the water inlet side gradually gathers to the outside as it rotates and is finally collected by the wire mesh layer. This can continuously filter the sediment in the water on the inlet side, so that the sediment content on the inlet side remains relatively stable, and avoids the effect of sediment filtration and filter screen filtration after the sediment content is too high. The reverse water flow of the third filter water pipe can also clean the surface of the filter screen in real time to ensure its filtering effect and water output. The optimal inner diameters of the three filter water pipes can ensure that the cleaning of the filter screen and the rotating water flow at the water inlet side form a better effect at the same time. The baffle on the bottom surface of the water inlet side can reduce the secondary lifting of the settled sediment, and the preferred inclination angle of the baffle can reduce the problem that the sediment is not easy to enter directly under the baffle for sedimentation caused by the installation of the baffle. When the water flows through the U-shaped pipe, a large tangential velocity component will be formed at the bottom, which allows the residual sediment in the water to gradually collect in the spherical cavity under the action of centrifugal force, forming a re-filter for irrigation water.

Description of drawings

Fig. 1 is a structural diagram of a specific embodiment of the present invention.

In the figure: 1. Reservoir; 2. Water inlet pipe; 3. Water outlet pipe; 4. Partition; 5. Water inlet side; 6. Water outlet side; 7. First filter water pipe; 8. Second filter water pipe; 9 10. The third water filter pipe; 11. Water pump; 12. Wire mesh layer; 13. Baffle plate; 14. U-shaped pipe; 15. Spherical cavity; 16. Bypass pipe.

Detailed ways

The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be customized according to the instructions and the records of the accompanying drawings. The specific connection methods of each part all adopt mature bolts and rivets in the prior art. , Welding, pasting and other conventional means will not be described in detail here.

Referring to accompanying drawing 1, present specific embodiment comprises reservoir 1, and the both sides of reservoir 1 are provided with water inlet pipe 2 and outlet pipe 3 respectively, and the middle part of described reservoir 1 is provided with dividing plate 4, dividing plate 4 The height of the water storage tank 1 is lower than that of the water storage tank 1. The partition plate 4 divides the water storage tank 1 into a water inlet side 5 and a water outlet side 6. A first filter water pipe 7 is arranged inside the water inlet side 5, and the side of the first filter water pipe 7 The wall is connected with a second filter water pipe 8, the second filter water pipe 8 is connected to the water outlet side 6, a filter net 9 is arranged in the second filter water pipe 8, a third filter water pipe 10 is connected to the end of the first filter water pipe 7, and the third filter water The outlet of the water pipe 10 is located in the water inlet side 5, the third filtered water pipe 10 communicates with the second filtered water pipe 8, the filter screen 9 is located outside the third filtered water pipe 10, and the third filtered water pipe 10 and the separator 4 are respectively located on the first On both sides of the filter water pipe 7, a water pump 11 is respectively arranged in the second filter water pipe 8 and the third filter water pipe 10, the inner wall of the water inlet side 5 is provided with a wire mesh layer 12, the first filter water pipe 7, the second filter water pipe The diameter ratio of the filtered water pipe 8 and the third filtered water pipe 10 is 6:3:2. In this embodiment, the entire reservoir 1 is firstly divided into two parts, the water inlet side 5 is used for filtering sedimentation, and the water outlet side 6 is used for irrigation and water storage. After the collected water containing silt enters the water inlet side 5, preliminary precipitation is carried out on the water inlet side 5, and at the same time, the water flow continuously flows into the first filter water pipe 7, and in the first filter water pipe 7, a part of the water flow flows into the second filter water pipe 7. The filter water pipe 8 flows into the water outlet side through the filtration of the filter screen 9, and another part of the water flow flows into the third filter water pipe 10 to flow upwards in reverse to wash the silt filtered out by the filter screen 9, and finally flows back into the water inlet side 5 . The water level at the water outlet side 6 increases continuously with the water inflow from the second filtered water pipe 8 , and finally crosses the separator 4 and flows back to the water inlet side 5 . The downward flowing water flow formed at the first filtered water pipe 7, and the return flow formed at the third filtered water pipe 10 and the dividing plate 4 merge together to form a rotating water flow trend at the water inlet side 5, such that The trend of flow makes the sediment in the water inlet side gradually gather to the outside as it rotates and is finally collected by the wire mesh layer 12 . This can continuously filter the sediment in the water at the water inlet side 5, so that the sediment content at the water inlet side 5 remains relatively stable, and avoids the effect of sedimentation filtration and filter screen filtration after the sediment content is too high. The reverse flow of the third water filter pipe 10 can also clean the surface of the filter screen 9 in real time to ensure its filtering effect and water output. The preferred internal diameters of the three filter water pipes can ensure that the cleaning of the filter screen 9 and the rotating water flow at the water inlet side 5 form a better effect at the same time. The bottom surface of the water inlet side 5 is provided with several sets of baffles 13 arranged symmetrically and inclined, and the included angle between the baffles 13 and the bottom surface is 55°. The baffle plate 13 on the bottom surface of the water inlet side 5 can reduce the secondary lifting of the settled sediment, and the preferred inclination angle of the baffle plate 13 can reduce the difficulty of sediment directly entering the bottom of the baffle plate 13 for sedimentation due to the installation of the baffle plate 13 question. A U-shaped pipe 14 is arranged on the water outlet pipe 3 , and a spherical cavity 15 is arranged at the bottom of the U-shaped pipe 14 . When the water flows through the U-shaped pipe 14, a large tangential velocity component will be formed at the bottom, which allows the residual sediment in the water to gradually collect in the spherical cavity 15 under the action of centrifugal force, forming a re-use of irrigation water. filter.

In addition, in the actual use process, the water flow of the second filtered water pipe 8 reversely flows into the third filtered water pipe 10, which must be suppressed by increasing the power of the water pump located in the third filtered water pipe 10, which is invisible. Added the cost of the whole series of devices. A bypass pipe 16 is set between the second filtered water pipe 8 and the third filtered water pipe 10, and the water pressure inside the second filtered water pipe 8 is used to suppress this reverse flow phenomenon, which reduces the requirements on the power of the water pump and reduces the cost .

The utility model is improved on the basis of the patent documents cited in the background technology. The structure of the entire irrigation system has been fully disclosed in the above patent documents, and will not be described in detail here.

The above description is only proposed as an implementable technical solution of the utility model, not as a single restriction on the technical solution itself.

Claims (3)

1. one kind for collecting the silt filtering apparatus of rain irrigation saving system, comprise cistern (1), the both sides of cistern (1) are respectively arranged with water inlet pipe (2) and outlet pipe (3), it is characterized in that: the middle part of described cistern (1) is provided with dividing plate (4), the height of dividing plate (4) is lower than the height of cistern (1), cistern (1) is divided into influent side (5) and water outlet side (6) by dividing plate (4), influent side (5) inside is provided with the first filtration water pipe (7), first sidewall filtering water pipe (7) is connected with the second filtration water pipe (8), second filters water pipe (8) is connected to water outlet side (6), screen pack (9) is provided with in second filtration water pipe (8), first end filtering water pipe (7) is connected with the 3rd and filters water pipe (10), 3rd outlet of filtering water pipe (10) is positioned at influent side (5), 3rd filtration water pipe (10) and second is filtered water pipe (8) and is interconnected, screen pack (9) is positioned at the outside that the 3rd filters water pipe (10), 3rd filtration water pipe (10) and dividing plate (4) lay respectively at the both sides of the first filtration water pipe (7), filter in water pipe (8) and the 3rd filtration water pipe (10) second and be respectively arranged with a water pump (11), the madial wall of influent side (5) is provided with oven wire mesh blanket (12), first filters water pipe (7), second ratio filtering the caliber of water pipe (8) and the 3rd filtration water pipe (10) is 6:3:2.

2. the silt filtering apparatus for collecting rain irrigation saving system according to claim 1, it is characterized in that: the bottom surface of described influent side (5) is provided with the some groups of symmetrical baffle plates (13) be obliquely installed, and baffle plate (13) is 55 ° with the angle of bottom surface.

3. the silt filtering apparatus for collecting rain irrigation saving system according to claim 1, it is characterized in that: described outlet pipe (3) is provided with U-shaped pipe (14), the bottom of U-shaped pipe (14) is provided with spherical hollow space (15).