A kind of silt filtering apparatus
Technical field
The utility model relates to irrigation equipment technical field in Agricultural Water-Soil Engineering, especially relates to a kind of silt filtering apparatus.
Background technology
At present, water-saving agriculture development, arise at the historic moment along with water-saving irrigation methods such as sprinkling irrigation, infiltrating irrigations, and these irrigation methods are all higher to the requirement of water quality, particularly there is higher requirement to the solid particle size in water body and content, and common irrigation is generally river water or channel water, containing more silt.Therefore, efficient, safe and reliable silt filter plant becomes its important part.And existing silt filter plant, centrifugal and filter two parts in different tank bodies, coupling part volume is large, loaded down with trivial details, makes its complex structure, and increases the loss of flood peak of filtration; On existing market there is segmental defect in the filter of centrifugal filter integration, filter net jam situation is failed to understand, it is not too reasonable that water inlet position and filter screen are arranged, current and the silt with larger kinetic energy directly or indirectly may impact filter screen, screen pack is caused to be out of shape and to refilter after silt can not be made well to deposit, and Partial filtration equipment thickness filter screen links together, and makes filter effect not good.
Summary of the invention
The purpose of this utility model is that the silt filter efficiency avoiding prior art is not high, defects such as filter net jam situation cannot be predicted, filter apparatus configuration is complicated, volume is comparatively large, operation inconvenience and a kind of silt filtering apparatus is provided, by pressure sensor, it is detected that filter net jam situation, filter screen anti-impact force are strong, maintenance and easy to operate, hydraulic cyclone and filter screen are combined, efficiently solve prior art Problems existing.
For achieving the above object, the technical scheme that the utility model is taked is: described a kind of silt filtering apparatus, be characterized in comprising outer tank body, described outer tank body bottom is provided with the husky tank of collection, two cavitys are divided into by S type water-stop sheet in outer tank body, in two cavitys, correspondence arranges fie screen and coarse strainer respectively, fie screen is connected by mozzle with coarse strainer bottom, fie screen and coarse strainer top are respectively arranged with fine filtering square and coarse filtration square, and mozzle bottom is also provided with the sand discharge pipe of drawing outer tank body; Water inlet pipe is connected with outer tank body, water inlet pipe is disposed with trash rack, water inlet switch, non-return valve and water pipe flange; The husky pot bottom of described collection is provided with sand discharge hole.
Described outer tank body top is also provided with Cap for tin body, breather valve and outlet pipe, and outer tank body bottom is also provided with spilled water hole, and described integrates husky tank sidepiece as observation window.
Described fie screen and coarse strainer are separated and the distribution that is centrosymmetric by S type water-stop sheet, the first pressure sensor is provided with in the side outer tank body cavity at coarse strainer place, first pressure sensor to be arranged on outside coarse strainer and to be connected with Cap for tin body, the second pressure sensor is provided with in the side outer tank body cavity at fie screen place, second pressure sensor to be arranged in fie screen and to be connected with fine filtering square, fie screen and coarse strainer are by the smooth linking of mozzle, fie screen support is provided with between fie screen and mozzle, coarse strainer support is provided with between coarse strainer and mozzle.
Described fie screen and coarse strainer are fixed in outer tank body in a spiral form respectively by the fine filtering square on top and coarse filtration square, and described fie screen and coarse strainer are cylinder tubular, and fie screen and coarse strainer and S type water-stop sheet top are equipped with sealing rubber ring.
The described observation window integrating husky tank top is as bar shaped sedimentation observation window; Collect husky tank and outer tank body by Flange joint, collect the intracavity inter-connection of husky tank and coarse strainer.
Described outer tank body top is divided into cylindrical structure, and outer tank body bottom is divided into conical structure; Described integrates husky tank as quasi-ellipsoid structure; Described Cap for tin body is connected with outer tank body by flange.
The first described pressure sensor is connected with single-chip microcomputer by A/D change-over circuit with the second pressure sensor, first pressure sensor and the second pressure sensor are by Single-chip Controlling, SCM peripheral is also provided with power module, data cache module, keyboard circuit module, clock circuit module, warning circuit module, interface module and LCD display, single-chip microcomputer is connected with Water supply switch valve by amplification circuit module, the analog signal that first pressure sensor and the second pressure sensor detect is converted to the discernible data signal of single-chip microcomputer by A/D change-over circuit, and then control warning circuit and water supply circuit.
The beneficial effects of the utility model are: described a kind of silt filtering apparatus, and it achieves hydraulic cyclone and twin-stage fine filtering, improves filter efficiency; Set pressure sensor passes through Single-chip Controlling, the stopping state of thickness filter screen can be detected, when there being any one filter screen silt to reach set threshold value, namely by reporting to the police and cutting off water supply power supply, can prevent from, because of the excessive damage screen pack of tank body chamber internal pressure, also can improving silt filter efficiency; The deposition conditions of bar shaped sedimentation observation window observable silt; Water inlet pipe is provided with trash rack, water inlet switch, non-return valve and flange, Cap for tin body top is provided with breather valve, this makes filter safety, reliably, stably runs, and this filter apparatus configuration is compact, arrange rationally, filter screen is sturdy and durable, floor space is little, handled easily, is beneficial to and promotes the use of.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present utility model;
Fig. 2 is the C-C place sectional structure principle schematic of the utility model Fig. 1;
Fig. 3 is integral shaft geodesic structure schematic diagram of the present utility model;
Fig. 4 is the B-B place sectional structure principle schematic of the utility model Fig. 2;
Fig. 5 is the utility model main control circuit principle schematic;
Fig. 6 is the utility model main program control flow chart.
Shown in figure: 1. water inlet pipe, 2. trash rack, 3. water inlet switch, 4. non-return valve, 5. water pipe flange, 6. outer tank body, 7. fie screen, 8. fine filtering square, 9. the second pressure sensor, 10.S type water-stop sheet, 11. coarse filtration squares, 12. breather valves, 13. outlet pipes, 14. coarse strainers, 15. coarse strainer supports, 16. mozzles, the husky tank of 17. collection, 18. sand discharge holes, 19. observation windows, 20. sand discharge pipes, 21. fie screen supports, 22. first pressure sensors, 23. Cap for tin body, 24. spilled water holes.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figures 1 to 4, described a kind of silt filtering apparatus, be characterized in comprising outer tank body 6, described outer tank body 6 bottom is provided with the husky tank 17 of collection, two cavitys are divided into by S type water-stop sheet 10 in outer tank body 6, in two cavitys, correspondence arranges fie screen 7 and coarse strainer 14 respectively, fie screen 7 is connected by mozzle 16 with coarse strainer 14 bottom, fie screen 7 and coarse strainer 14 top are respectively arranged with fine filtering square 8 and coarse filtration square 11, outer tank body 6 top is also provided with Cap for tin body 23, breather valve 12 and outlet pipe 13, outer tank body 6 bottom is also provided with spilled water hole 24, mozzle 16 bottom is also provided with the sand discharge pipe 20 of drawing outer tank body 6, water inlet pipe 1 is connected with outer tank body 6, water inlet pipe 1 is disposed with trash rack 2, water inlet switch 3, non-return valve 4 and water pipe flange 5, be provided with sand discharge hole 18 bottom the husky tank 17 of described collection, integrate husky tank 17 top as observation window 19.
Further, described fie screen 7 and coarse strainer 14 are separated and the distribution that is centrosymmetric by S type water-stop sheet 10, the first pressure sensor 22 is provided with in side outer tank body 6 cavity at coarse strainer 14 place, first pressure sensor 22 to be arranged on outside coarse strainer 14 and to be connected with Cap for tin body 23, the second pressure sensor 9 is provided with in side outer tank body 6 cavity at fie screen 7 place, second pressure sensor 9 to be arranged in fie screen 7 and to be connected with fine filtering square 8, fie screen 7 and coarse strainer 14 are by the smooth linking of mozzle 16, fie screen support 21 is provided with between fie screen 7 and mozzle 16, coarse strainer support 15 is provided with between coarse strainer 14 and mozzle 16.
Further, described fie screen 7 and coarse strainer 14 are fixed in outer tank body 6 respectively by the fine filtering square 8 on top and coarse filtration square 11 in a spiral form, described fie screen 7 and coarse strainer 14 are cylinder tubular, and fie screen 7 and coarse strainer 14 are equipped with sealing rubber ring with S type water-stop sheet 10 top.
Further, the described observation window 19 integrating husky tank 17 top is as bar shaped sedimentation observation window; Collect husky tank 17 and outer tank body 6 by Flange joint, collect the intracavity inter-connection of husky tank 17 and coarse strainer 14.
Further, described outer tank body 6 top is divided into cylindrical structure, and outer tank body 6 bottom is divided into conical structure; Described integrates husky tank 17 as quasi-ellipsoid structure; Described Cap for tin body 23 is connected with outer tank body 6 by flange.
Further, as shown in Figure 5, the first described pressure sensor is connected with single-chip microcomputer by A/D change-over circuit with the second pressure sensor, first pressure sensor and the second pressure sensor are by Single-chip Controlling, SCM peripheral is also provided with power module, data cache module, keyboard circuit module, clock circuit module, warning circuit module, interface module and LCD display, single-chip microcomputer is connected with Water supply switch valve by amplification circuit module, the analog signal that first pressure sensor and the second pressure sensor detect is converted to the discernible data signal of single-chip microcomputer by A/D change-over circuit, and then control warning circuit and water supply circuit.
As shown in Figure 6, described a kind of silt filtering apparatus, what enter filter during its work contains silt current by water inlet pipe → trash rack → hydraulic cyclone → centrifugal action → coarse strainer → mozzle → fie screen → outlet pipe, when the water containing silt flow to water inlet pipe 1, through trash rack 2, water inlet switch 3 and non-return valve 4, after being connected with outer tank body 6 by water pipe flange 5, tangentially enter in tank body along outer tank body 6 inwall, produce eddy flow, due to the difference of specific gravity of water and silt, silt is under centrifugal action, slide in the husky device 17 of collection under tank wall blows slowly, most of silt in water will deposit, sluggish flow containing part silt rises, the sedimentation again of small part silt, then current filter a part of silt by the coarse strainer 14 that area is larger under water pressure, then current enter into fie screen 7 place by mozzle 16, secondary filter, current are by after fie screen 7, flowed out by outlet pipe 13 again.First pressure sensor 22 is set between coarse strainer and outer tank body, fie screen inside arranges the second pressure sensor 9, when the force value of the first pressure sensor be less than pressure threshold I, the force value of the second pressure sensor be less than pressure threshold II time, system is normally run, after any one sensor pressure values exceedes corresponding pressure threshold, namely cut off the electricity supply and stop supplying water, and alert notice administrative staff clean filter screen.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.