CN111151052B - Micro-pressure filter before pump - Google Patents
Micro-pressure filter before pump Download PDFInfo
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- CN111151052B CN111151052B CN202010148610.1A CN202010148610A CN111151052B CN 111151052 B CN111151052 B CN 111151052B CN 202010148610 A CN202010148610 A CN 202010148610A CN 111151052 B CN111151052 B CN 111151052B
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- joint
- filter screen
- water
- screen cylinder
- filter
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 161
- 238000001914 filtration Methods 0.000 claims abstract description 54
- 239000010865 sewage Substances 0.000 claims abstract description 41
- 238000004140 cleaning Methods 0.000 claims description 20
- 239000012535 impurity Substances 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 2
- 238000003973 irrigation Methods 0.000 abstract description 16
- 230000002262 irrigation Effects 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012065 filter cake Substances 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000003670 easy-to-clean Effects 0.000 abstract description 2
- 239000010813 municipal solid waste Substances 0.000 description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 239000003621 irrigation water Substances 0.000 description 8
- 239000013049 sediment Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000007667 floating Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000013014 water-saving technology Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
- B01D29/902—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding containing fixed liquid displacement elements or cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
- B01D29/904—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding directing the mixture to be filtered on the filtering element in a manner to clean the filter continuously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
本申请涉及节水灌溉过滤装置技术领域，是一种泵前微压过滤装置，其包括过滤网筒、左接头、右接头、左分水座、右分水座和分水器，过滤网筒为轴线沿水平布置的横向圆柱筒，过滤网筒左端固定有能够与左部进水管路相连接的左接头。本申请结构合理而紧凑，使用方便，其过滤网筒内安装的分水器能有效提高滤网附近水流的流速，通过开启右接头连接的管路或阀门，可对过滤网筒内壁进行冲刷清洗，能够避免网孔堵塞、防止滤饼形成、增加过滤面积，有效改善了过滤能力、显著提高了过滤效率，排污时不影响过滤、可实现不间断供水，具有过滤效果好、可以显著降低能耗、节约能源，拆装方便快捷、易于清理、易于操作的特点。
The present application relates to the technical field of water-saving irrigation filtering devices, and is a micro-pressure filtering device before a pump, which includes a filter screen cylinder, a left joint, a right joint, a left water diversion seat, a right water diversion seat and a water divider. The filter screen cylinder is a horizontal cylindrical cylinder with an axis arranged horizontally, and a left joint that can be connected to a left water inlet pipeline is fixed on the left end of the filter screen cylinder. The present application has a reasonable and compact structure and is easy to use. The water divider installed in the filter screen cylinder can effectively increase the flow rate of the water flow near the filter screen. By opening the pipeline or valve connected to the right joint, the inner wall of the filter screen cylinder can be flushed and cleaned, which can avoid mesh blockage, prevent filter cake formation, increase the filtering area, effectively improve the filtering capacity, and significantly improve the filtering efficiency. The filtration is not affected when discharging sewage, and uninterrupted water supply can be achieved. It has the characteristics of good filtering effect, can significantly reduce energy consumption, save energy, and is easy to disassemble and assemble, easy to clean, and easy to operate.
Description
Technical Field
The application relates to the technical field of water-saving irrigation filter devices, in particular to a pump front micro-pressure filter device.
Background
The micro-irrigation engineering technology plays an important role in high-efficiency water saving, and how to effectively utilize surface water from mountain stream rivers to perform micro-irrigation becomes a key for popularizing the high-efficiency water saving technology, but because irrigation water sources often have the problems of high sand content and large sediment particle size, the irrigation devices such as drippers, micro-spray heads and the like are easy to block, the quality of irrigation water is influenced, crop yield reduction is caused, and even the whole micro-irrigation system is paralyzed in severe cases. In order to ensure the normal operation of the micro-irrigation system, a sediment step treatment method is mainly adopted at present, multistage sediment treatment engineering facilities are generally arranged on the water diversion channel system so as to achieve the aim of efficiently discharging sediment and diversion, and common primary sediment treatment engineering facilities comprise a river gate type, a curve type, a bottom barrier type, layered water diversion engineering and the like, but the treated water flow cannot always completely meet the treatment limit requirements on the sediment content and the grain size, and a secondary sediment treatment engineering facility must be built at a water inlet gate or on a downstream channel of the water inlet gate type, so that the investment of an irrigation system is increased, and the treatment cost of irrigation water is higher.
At present, the sand setting tank is mainly arranged, a floating type pre-pump filter is arranged, irrigation water is further settled and filtered, and filtered water is conveyed to a pipeline system for micro-irrigation. The floating type pump front filter is commonly called as 'floating on water', can effectively remove impurities in water, has a good filtering effect, but the filtered impurities are always in the grit chamber, and are cleaned by manpower, and are protected by special personnel, so that manpower resources are consumed, the filter screen is rotated and washed by external power, and the problems of manpower resource consumption, easy blockage, low filtering efficiency, high cost and energy consumption and the like exist, so that the practical requirement of water-saving irrigation cannot be met.
Disclosure of Invention
The application aims to provide a micro-pressure filtering device before a pump, which overcomes the defects of the prior art and can effectively solve the problems of human resource consumption, easy blockage, low filtering efficiency, high cost and high energy consumption of the prior filtering device before the pump for water-saving irrigation.
The application aims to realize that the micro-pressure filtering device in front of the pump comprises a filter screen cylinder, a left joint, a right joint, a left water diversion seat, a right water diversion seat and a water diversion device, wherein the filter screen cylinder is a horizontal cylinder with an axis arranged horizontally, the left end of the filter screen cylinder is fixedly provided with the left joint which can be connected with a left water inlet pipeline, the right end of the filter screen cylinder is fixedly provided with the right joint which can be connected with a right sewage discharge pipeline, the left joint or the center of an inner cavity at the left end of the filter screen cylinder is fixedly provided with the left water diversion seat, the right joint or the center of the inner cavity at the right end of the filter screen cylinder is fixedly provided with the right water diversion seat, the water diversion device is arranged in the filter screen cylinder through the left water diversion seat and the right water diversion seat, the water diversion device comprises a diameter-changing core body and a flow-guiding radials, the outer diameters of the middle part of the diameter-changing core body are large, the outer diameters of the left end and the right end are small, the outer sides of the diameter-changing core body are fixedly provided with at least three flow-guiding radials, the outer edges of the flow-guiding radials are uniformly arranged along the outer circumferences of the outer side of the diameter-changing core body, the flow-guiding radials are close to the inner walls of the cylinder, and the outer edges of the flow-guiding radials extend to the left end and right ends of the flow-guiding plate respectively to the positions of the diameter-changing core.
Further, the filter screen cylinder comprises a screen cylinder frame and a filter screen body, cylinder frame lining rings with frame ring flanges are respectively fixed at the left end and the right end of the cylindrical screen cylinder frame, the filter screen body is fixed outside the screen cylinder frame, the filter screen body comprises a impurity filtering screen layer and a protective screen layer, the inner side of the protective screen layer is fixed outside the screen cylinder frame, and the impurity filtering screen layer is fixed outside the protective screen layer.
Further, the middle part of the diameter-variable core body of the water separator is cylindrical, and the projection of the outer side surface of the end part of the diameter-variable core body on the vertical plane is elliptic arc line, parabola, isosceles trapezoid or isosceles triangle.
Further, the flow guiding radial plate of the water separator is a flat plate or a spiral arc plate.
Further, the left joint comprises a joint body, a net barrel clamping sleeve and a pipe joint screw sleeve, an external groove with joint external threads is formed in the outer side face of the left part of the joint body, the pipe joint screw sleeve is fixedly installed in the external groove through the joint external threads, a pipeline installation thread is arranged on the inner wall of the pipe joint screw sleeve, a seat supporting groove is formed in the inner wall of the right part of the joint body, a left water diversion seat is installed in the seat supporting groove, a guide plate groove is formed in the right end of the left water diversion seat corresponding to the end position of the guide plate, each guide plate at the left end of the water diversion device is installed on the left water diversion seat through the guide plate groove, an inscription groove with joint internal threads is formed in the right inner wall of the seat supporting groove, the net barrel clamping sleeve is fixedly installed in the internal groove through the joint internal threads, a clamping sleeve boss is arranged on the inner wall of the right part of the net barrel clamping sleeve, a limiting clamping sleeve is installed on the left part of the barrel support lining ring of the left end of the filter barrel, the clamping sleeve boss of the net barrel is completely identical to the left joint structure of the left joint through the limiting clamping sleeve ring flange.
Further, the right end of the left water diversion seat corresponding to the end part of the lining ring of the cylinder frame is provided with an annular boss, the right end of the annular boss is pressed on the end face of the lining ring of the cylinder frame and keeps sealed, the inner wall of the right part of the limiting snap ring is provided with a limiting ring table, the left end of the limiting ring table is pressed on the right end face of the flange of the frame ring, and the left end of the limiting snap ring is pressed on the right end of the left water diversion seat.
Further, the left joint is connected with the grit chamber through the inlet tube, and the outside of filter screen section of thick bamboo is equipped with the filtering ponds, and left joint, right joint are located the filtering ponds, are equipped with the inlet valve on the inlet tube, and filter screen section of thick bamboo inner chamber is linked together with the grit chamber lower part through inlet valve, inlet tube, and right joint is connected with the dirt cleaning tube of taking the dirt cleaning valve, and the dirt cleaning tube right-hand member is connected with the blowdown hose, and filter screen section of thick bamboo inner chamber can be linked together through dirt cleaning valve, dirt cleaning tube and blowdown hose.
Further, the water inlet valve and the decontamination valve are electromagnetic valves or electric valves, a liquid level sensor is arranged on the inner wall of the upper part of the grit chamber, the wiring terminals of the water inlet valve and the decontamination valve are electrically connected with a controller, and the signal output terminal of the liquid level sensor is electrically connected with the signal input terminal of the controller.
Further, the filter housing is installed to the outside of filter screen section of thick bamboo, filter housing installs the filter cleaning chamber around filter screen section of thick bamboo in the inside left portion of filter housing, filter housing installs the right side and connects the inner chamber of left side, right side connects the inner chamber with the filter cleaning chamber mutually, filter housing's lower part is equipped with the water supply mouth, water supply mouth inner chamber is linked together with the filter cleaning chamber, left side connects including joint body and pipe joint swivel nut, be equipped with the external recess of taking the joint external screw thread on the left side lateral surface of joint body, pipe joint swivel nut passes through joint external screw thread fixed mounting in external recess, be equipped with the pipeline installation screw thread on the inner wall of pipe joint swivel nut, be equipped with the seat on the right part inner wall of joint body and hold in the palm the groove, the left side divides the water seat to install in the seat holding in the seat, the right-hand member that corresponds the water seat of water seat left end is equipped with the baffle groove, each water seat of water seat left end is installed on the left side divides the water seat through the baffle groove, be equipped with the inscription recess of taking the joint internal screw thread on the right side inner wall of seat holds in the seat, the joint body passes through the joint internal screw thread fixed mounting in the filter housing left end, the left end of water seat is the same with the flange of the right side of the filter housing.
The application has reasonable and compact structure and convenient use, the water separator arranged in the filter screen cylinder can effectively improve the flow velocity of water flow near the filter screen, and the inner wall of the filter screen cylinder can be scoured and cleaned by opening the pipeline or the valve connected with the right joint, thereby avoiding the mesh blockage, preventing the filter cake from forming and increasing the filtering area, effectively improving the filtering capacity, obviously improving the filtering efficiency, not influencing the filtering during sewage discharge, realizing uninterrupted water supply, and having the characteristics of good filtering effect, obviously reducing the energy consumption, saving the energy sources, being convenient and fast to disassemble, easy to clean and easy to operate.
Drawings
The specific structure of the present application is shown in the following drawings and examples:
FIG. 1 is a schematic view of a front view and semi-sectional structure of embodiment 1 of the present application;
FIG. 2 is an enlarged schematic cross-sectional view of the structure at A-A in FIG. 1;
FIG. 3 is a schematic view showing the working state of embodiment 1 of the present application;
Fig. 4 is a schematic view of a partially sectioned structure from the front of embodiment 2 of the present application.
The filter screen is characterized by comprising a filter screen cylinder 1, a left water diversion seat 2, a right water diversion seat 3, a diameter-variable core 4, a flow guide radial plate 5, a net cylinder frame 6, a frame ring flange 7, a cylinder frame lining ring 8, a protective net layer 9, a connector body 10, a net cylinder clamping sleeve 11, a pipe joint screw sleeve 12, an external groove 13, a pipeline mounting thread 14, a seat bracket 15, a guide plate groove 16, an internal groove 17, a clamping sleeve boss 18, a position-limiting clamping ring 19, an annular boss 20, a limiting ring stage 21, a water inlet pipe 22, a sand basin 23, a filter tank 24, a water inlet valve 25, a sewage valve 26, a sewage disposal valve 27, a sewage disposal hose 28, a filter shell 29, a water supply port 30, a sewage grating 31, a pressure water pump 32 and a water outlet 33.
Detailed Description
The present application is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present application.
Example 1: as shown in fig. 1-3, the pump front micro-pressure filtering device comprises a filter screen cylinder 1, a left joint, a right joint, a left water diversion seat 2, a right water diversion seat 3 and a water diversion device, wherein the filter screen cylinder 1 is a horizontal cylinder with an axis arranged horizontally, the left end of the filter screen cylinder 1 is fixedly provided with the left joint which can be connected with a left water inlet pipeline, the right end of the filter screen cylinder 1 is fixedly provided with the right joint which can be connected with a right sewage discharge pipeline, the left joint or the inner cavity center of the left end of the filter screen cylinder 1 is fixedly provided with the left water diversion seat 2, the right joint or the inner cavity center of the right end of the filter screen cylinder 1 is fixedly provided with the right water diversion seat 3, the water diversion device is installed in the filter screen cylinder 1 through the left water diversion seat 2 and the right water diversion seat 3, the water diversion device comprises a diameter-changing core 4 and a flow-guiding radials 5, the outer diameters of the middle part of the diameter-changing core 4 are large, the outer diameters of the left and the right ends of the diameter-changing core 4 are small, the outer sides of the flow-guiding radials 5 are fixedly provided with at least three, the flow-guiding radials 5 are uniformly arranged along the outer circumferences of the outer sides of the changing diameter of the changing core 4, the flow-side of the flow-guiding radials 5 are evenly arranged, the flow-guiding the inner sides of the flow-guiding radials 5 are respectively, and the inner side edges of the flow-guiding radials 5 extend to the positions of the left side edges of the inner side of the filter core 4 to the left side respectively. The left water diversion seat 2, the right water diversion seat 3 and the water diversion device can be detachably connected together or fixed together, the diversion radial plate 5 can be fixed on the outer side of the variable diameter core body 4 through the prior known methods such as screw connection, welding, bonding or embedding, and the diversion radial plate 5 and the variable diameter core body 4 can be manufactured into a whole by adopting the known corrosion-resistant and high-strength materials such as engineering plastics, resin, nylon composite materials and the like through the methods such as mould pressing, injection molding and the like. According to the application, the water separator is arranged in the filter screen cylinder 1, so that the flow state of water flow can be changed, a filter cavity is formed between the outer side of the diameter-changing core 4 and the filter screen cylinder 1, when water containing impurities enters the filter cavity from the left joint, the water flows out of the filter screen cylinder 1 from meshes on the side wall of the filter screen cylinder 1 to realize water supply filtration, impurities such as sediment and the like are attached to the inner wall of the filter screen cylinder 1, the water separator can effectively improve the flow rate of water flow near the filter screen cylinder 1, thereby avoiding mesh blockage, preventing filter cake formation, increasing the filtration area, effectively improving the filtration capacity and obviously improving the filtration efficiency, when the impurity and dirt attached to the inner wall of the filter screen cylinder 1 are more, the water flow in the filter screen cylinder 1 can flow out of the right joint through opening a pipeline or a valve connected with the right joint, so that flushing and cleaning to the inner wall of the filter screen cylinder 1 are realized, and simultaneously partial water outside the filter screen cylinder 1 is reversely flowed into the inner cavity of the filter screen cylinder 1 by pressure difference, the dirt attached to the inner wall of the filter screen cylinder 1 is forced to fall off, the dirt attached to realize the filter screen cylinder 1 is cleaned, pollution discharge is not influenced, the filter is realized, the filter is not is interrupted, the energy is increased, the water consumption is reduced, and the water consumption is required is reduced, and the water consumption is reduced, and the filter cycle is increased. The application has the advantages of simple and reasonable structure, convenient use, natural filtration without pressurization, good filtration effect, obvious reduction of energy consumption, energy conservation, convenient and quick disassembly, easy cleaning and easy operation.
As shown in fig. 1-2, the filter screen cylinder 1 comprises a screen cylinder frame 6 and a filter screen body, cylinder frame lining rings 8 with frame ring flanges 7 are respectively fixed at the left and right ends of the cylindrical screen cylinder frame 6, the filter screen body is fixed outside the screen cylinder frame 6, the filter screen body comprises a impurity filtering screen layer and a protective screen layer 9, the inner side of the protective screen layer 9 is fixed at the outer side of the screen cylinder frame 6, and the impurity filtering screen layer is fixed at the outer side of the protective screen layer 9. In actual manufacturing, the protective screen layer 9 is preferably made of a hard stainless steel filter screen, and the impurity filtering screen layer can be effectively protected through the protective screen layer 9, so that the service life of the protective screen layer is prolonged. The impurity filtering net layer and the protective net layer 9 are preferably arranged together in the existing detachable connection mode such as a buckle, and when the impurity filtering net layer is stained or damaged, the impurity filtering net layer can be reused by only replacing, so that the novel multifunctional electric vehicle is more economical and environment-friendly.
As shown in fig. 1-2, the middle part of the diameter-variable core 4 of the water separator is cylindrical, and the projection of the outer side surface of the end part of the diameter-variable core 4 on the vertical plane is elliptic arc line, parabola, isosceles trapezoid or isosceles triangle. The end of the diameter-variable core 4 can be semi-elliptic or parabolic cambered surface or truncated cone or conical, and the shape of the left end and the right end can be the same or different.
The flow guiding web 5 of the water separator is a flat plate or a spiral arc plate according to actual needs. The flow guiding radials 5 are flat plates which are easy to manufacture, and the flow guiding radials 5 are spiral arc plates which can further improve the filtering period of the filtering device and have better filtering effect.
As shown in fig. 1-2, the left joint comprises a joint body 10, a net barrel clamping sleeve 11 and a pipe joint screw sleeve 12, an external groove 13 with joint external threads is formed in the outer side face of the left part of the joint body 10, the pipe joint screw sleeve 12 is fixedly installed in the external groove 13 through the joint external threads, a pipeline installation thread 14 is formed in the inner wall of the pipe joint screw sleeve 12, a seat bracket 15 is formed in the right inner wall of the joint body 10, a left water diversion seat 2 is installed in the seat bracket 15, a guide plate groove 16 is formed in the right end of the left water diversion seat 2 corresponding to the end position of the guide radials 5, each guide radials 5 at the left end of the water diversion device is installed on the left water diversion seat 2 through the guide plate groove 16, an internal groove 17 with joint internal threads is formed in the right inner wall of the seat bracket 15, the net barrel clamping sleeve 11 is fixedly installed in the internal groove 17 through the joint internal threads, a limit clamping ring 19 is formed in the right inner wall of the net barrel 11, a sleeve liner 8 at the left part of the left end of the filter barrel 1 is installed with a limit clamping ring 19, the boss 18 of the net barrel 11 is pressed by the limit clamping ring 19, and the structure of the left clamping sleeve 11 is identical to that of the joint. The filter screen cylinder 1 is fixed through the frame ring flange 7, the limiting clamp ring 19 and the screen cylinder clamping sleeve 11, the screen cylinder clamping sleeve 11 is screwed from the left end or the right end and pushed to the middle part of the filter screen cylinder 1, and after the corresponding limiting clamp ring 19 is taken down, the filter screen cylinder 1 can be taken down, the quick replacement of the filter screen cylinder 1 is realized, so that the filter screen cylinders 1 with different mesh sizes and different specifications can be replaced according to actual needs, and the filter screen cylinder is more convenient and quick to use. In addition, can also set up high-pressure nozzle in the outside of filter screen section of thick bamboo 1, when the inside water of filter screen section of thick bamboo 1 can't wash it clean, adopt the mode that high-pressure nozzle washed can resume the cleanliness of filter screen section of thick bamboo 1 sooner.
As shown in fig. 1-2, the right end of the left water diversion seat 2 corresponding to the end position of the cylinder frame lining ring 8 is provided with an annular boss 20, the right end of the annular boss 20 is pressed on the end surface of the cylinder frame lining ring 8 and keeps sealing, the right inner wall of the right part of the limiting snap ring 19 is provided with a limiting ring table 21, the left end of the limiting ring table 21 is pressed on the right end surface of the frame ring flange 7, and the left end of the limiting snap ring 19 is pressed on the right end of the left water diversion seat 2. The baffle groove 16 can realize the location of water conservancy diversion radials 5, and the water knockout drum passes through water conservancy diversion radials 5 fixed mounting on left water knockout drum seat 2, right water knockout drum seat 3, and the location is simple accurate, easy dismounting is swift, and the cross-section of spacing snap ring 19 is L shape, can realize locking to section of thick bamboo frame backing ring 8 through spacing ring platform 21, can ensure through annular boss 20 that left water knockout drum seat 2 and section of thick bamboo frame backing ring 8 butt joint terminal surface department remain sealed.
As shown in fig. 3, the left joint is connected with a grit chamber 23 through a water inlet pipe 22, a filter tank 24 is arranged outside the filter screen cylinder 1, the left joint and the right joint are positioned in the filter tank 24, a water inlet valve 25 is arranged on the water inlet pipe 22, the inner cavity of the filter screen cylinder 1 is communicated with the lower part of the grit chamber 23 through the water inlet valve 25 and the water inlet pipe 22, the right joint is connected with a sewage disposal pipe 27 with a sewage disposal valve 26, the right end of the sewage disposal pipe 27 is connected with a sewage disposal hose 28, and the inner cavity of the filter screen cylinder 1 can be communicated with the sewage disposal hose 28 through the sewage disposal valve 26 and the sewage disposal pipe 27. According to practical needs, the grit chamber 23 and the filter tank 24 can be masonry tanks with a masonry structure or a brick-concrete structure, can be prefabricated concrete tanks, or welded steel plates, or made by the prior known methods such as pressing, injection molding, welding and the like of materials such as engineering plastics, and can be manufactured into a tank array group with a plurality of grit chambers 23 and filter tanks 24 side by side according to needs. The sewage disposal tank can be communicated through the sewage disposal hose 28, so that the sewage disposal tank is more convenient to use, or sewage is intensively discharged to a space or a designated area where the sewage can be stored. The application is used for filtering, has small head loss and saves energy, surface water enters the strip-shaped or trapezoid grit chamber 23 from the water inlet channel for sedimentation, water flow in the grit chamber 23 enters the filter screen cylinder 1 for filtering through the water inlet pipe 22, and the water flow in the water inlet pipe 22 is filtered and washed by virtue of the tiny head, so that the energy consumption can be effectively saved, and the filter arranged at the water outlet of the grit chamber 23 can reduce the size and scale of the grit chamber 23, thereby being beneficial to saving land resources, reducing the manufacturing cost of a micro-irrigation system.
According to actual needs, the water inlet valve 25 and the cleaning valve 26 are electromagnetic valves or electric valves, a liquid level sensor is arranged on the inner wall of the upper part of the grit chamber 23, the connecting terminals of the water inlet valve 25 and the cleaning valve 26 are electrically connected with a controller, and the signal output terminal of the liquid level sensor is electrically connected with the signal input terminal of the controller. The installation height of the liquid level sensor in the grit chamber 2 is determined according to the requirement, when the actual liquid level in the grit chamber 23 is lower than the liquid level sensor, no signal is transmitted to the controller, the controller enables the water inlet valve 25 to be opened through the control circuit, the filter screen cylinder 1 is blocked when the actual liquid level in the grit chamber 23 is higher than the liquid level sensor, the liquid level sensor outputs a signal and transmits the signal to the controller, the controller enables the sewage cleaning valve 26 to be opened through the control circuit, and the application can realize the cleaning of sewage in the filter screen cylinder 1 without stopping the filtering, so that the automatic control of the water inlet valve 25 and the sewage cleaning valve 26 is realized through the controller.
As shown in figure 3, the working process of the embodiment 1 of the application is that a grit chamber 23 is arranged in advance and irrigation water to be filtered is stored, the irrigation water firstly settles larger silt particles through the grit chamber 23, the inlet of a water inlet pipe 22 is positioned in the grit chamber 23 and is provided with a trash rack 31, the pressure water head of the irrigation water to be filtered in the water inlet pipe 22 is preferably 0.2 to 2 meters, a filter tank 24 which is separated from the grit chamber 23 is arranged, the application is arranged at the lower part of the filter tank 24 and is connected with the water inlet pipe 22 and a trash pipe 27 through left and right connectors, a water inlet valve 25 is positioned on the water inlet pipe 22 between the grit chamber 23 and the filter tank 24, a step ladder which is convenient for climbing operation is arranged, a trash valve 26 is positioned on the trash pipe 27 outside the filter tank 24, thus the water inlet valve 25 and the trash valve 26 are relatively dry in working environment, the operation, the maintenance and replacement are convenient, the lower part or the bottom of the filter tank 24 is provided with a pressure water pump 32, the pressure water pump 32 can be connected with a water-saving irrigation pipeline system through a water outlet pipe 33 to realize water supply, the trash pipe 24 is arranged at the position corresponding to the right end of the trash pipe 27, a trash pipe 24 is provided with a trash pipe 28, and a drain pipe 28 is arranged at the outer end of the trash pipe 28 is arranged at the trash outlet end of the trash pipe 24. When the filter device works for a period of time, the filter screen cylinder 1 is blocked to a certain extent, the filtering efficiency is seriously reduced, at the moment, sewage is required to be drained to restore the filtering performance of the filter, sewage is drained under the action of a natural water head, the sewage adhered to the filter screen is flushed into the pool through the sewage drain pipe 27 and the sewage drain hose 28 in the filter screen cylinder 1, after the sewage is flushed, the sewage drain valve 26 is closed, the filter is transferred to the next filtering period, the cylinder 1 can not filter while filtering, sewage drainage can be realized, and the sewage drainage can be realized while filtering is carried out, so that the filtering efficiency is remarkably reduced, and the energy consumption is remarkably reduced.
In embodiment 2, as shown in FIG. 4, a filter housing 29 is installed outside a filter cartridge 1, a filter cleaning cavity surrounding the filter cartridge 1 is formed inside the filter housing 29, a left joint is installed on the left part of the filter housing 29, a right joint is installed on the right part of the filter housing 29, the filter cartridge 1 separates an inner cavity of the left joint, an inner cavity of the right joint from the filter cleaning cavity, a water supply port 30 is formed in the lower part of the filter housing 29, the inner cavity of the water supply port 30 is communicated with the filter cleaning cavity, the left joint comprises a joint body 10 and a pipe joint screw sleeve 12, an external groove 13 with joint external threads is formed on the outer side surface of the left part of the joint body 10, the pipe joint screw sleeve 12 is fixedly installed in the external groove 13 through the joint external threads, a pipeline installation thread 14 is formed on the inner wall of the pipe joint screw sleeve 12, a seat bracket 15 is formed on the inner wall of the right part of the joint body 10, a guide plate groove 16 is formed on the right end of the left water distributor 2 corresponding to the end position of the guide plate 5, each guide plate 5 is installed on the left end of the guide plate seat 2 through the guide plate groove 16, the right end of the guide plate seat 15 is installed on the right end of the right water distributor body through the right joint seat 15, and the joint flange 7 is completely connected with the inner flange of the filter cartridge 1 through the right joint flange of the filter housing 7. The filter shell 29 is arranged outside the filter screen cylinder 1, so that the application can be made into a small product, a grit chamber 23 is not arranged at the front water supply position of the filter screen cylinder 1, a water source directly enters the application for filtering, and agricultural irrigation purposes such as drip irrigation and sprinkling irrigation are realized by flowing out of the water supply port 30, so that the application can adapt to the demands of farmers, and the installation and the use are more convenient. The pipe joint screw sleeve 12 can be arranged on the water supply port 30 according to the requirement, so that the water supply pipe is more convenient to connect with an external water supply pipeline. When in actual use, the water source to be filtered is connected with an input irrigation water source to be filtered through the water inlet pipe only through the left joint, the sewage discharging hose or the sewage discharging pool is connected through the right joint through the sewage discharging pipe with the sewage discharging valve, the water supply port 30 is connected with the water outlet pipe, and filtered clean water can be sent into a pipeline system through the water outlet pipe and conveyed to the field in a pressurizing or self-pressing mode.
The foregoing description is provided for the purpose of clearly illustrating the application and is not to be taken in a limiting sense. Obvious changes and modifications which are extended by the technical proposal of the application are still within the protection scope of the application.
Claims (5)
1. A pump front micro-pressure filtering device, which is characterized in that: the water separator is arranged in the filter screen cylinder through the left water separating seat and the right water separating seat, the outer diameter of the middle part of the diameter-changing core body is large, the outer diameters of the left end and the right end of the diameter-changing core body are small, at least three flow guiding radials are fixed on the outer side of the diameter-changing core body, the outer side edges of the flow guiding radials are close to the inner wall of the filter screen cylinder, and the left end and the right end of the flow guiding radials extend to the left end and the right end of the diameter-changing core body respectively; the left joint comprises a joint body, a net barrel clamping sleeve and a pipe joint screw sleeve, wherein an external groove with joint external threads is arranged on the outer side surface of the left part of the joint body, the pipe joint screw sleeve is fixedly arranged in the external groove through the joint external threads, a pipeline installation thread is arranged on the inner wall of the pipe joint screw sleeve, a seat bracket is arranged on the inner wall of the right part of the joint body, a left water diversion seat is arranged in the seat bracket, a guide plate groove is arranged at the right end of the left water diversion seat corresponding to the end position of the guide plate, each guide plate at the left end of the water diversion device is arranged on the left water diversion seat through the guide plate groove, an internal groove with joint internal threads is arranged on the inner wall of the right part of the seat bracket, the net barrel clamping sleeve is fixedly arranged in the internal groove through the joint internal threads, the right end of the left water diversion seat corresponding to the end position of the filter screen cylinder sleeve is provided with an annular boss, the right end of the annular boss is pressed on the end face of the cylinder frame sleeve and keeps sealing, the right inner wall of the limit clamp ring is provided with a limit ring table, the left end of the limit ring table is pressed on the right end face of the frame ring flange, the left end of the limit clamp ring is pressed on the right end face of the left water diversion seat, the left joint is connected with a sand settling tank through a water inlet pipe, a filter tank is arranged outside the filter screen cylinder, the left joint and the right joint are positioned in the filter tank, the water inlet pipe is provided with a water inlet valve, the inner cavity of the filter screen cylinder is communicated with the lower part of the sand settling tank through the water inlet valve and the water inlet pipe, the right joint is connected with a sewage disposal pipe with a sewage disposal valve, and the inner cavity of the filter screen cylinder can be communicated with the sewage disposal hose through the sewage disposal valve and the sewage disposal pipe.
2. The micro-pressure filter device before pump of claim 1, wherein the filter screen cylinder comprises a cylinder frame and a filter screen body, cylinder frame lining rings with frame ring flanges are respectively fixed at the left end and the right end of the cylinder frame, the filter screen body is fixed outside the cylinder frame, the filter screen body comprises a impurity filtering net layer and a protective net layer, the inner side of the protective net layer is fixed at the outer side of the cylinder frame, and the impurity filtering net layer is fixed at the outer side of the protective net layer.
3. The micro-pressure filtering device before pump of claim 1, wherein the middle part of the diameter-variable core body of the water separator is cylindrical, the projection of the outer side surface of the end part of the diameter-variable core body on the vertical plane is elliptic arc, parabola, isosceles trapezoid or isosceles triangle, or/and the flow guiding radial plate of the water separator is a flat plate or spiral arc plate.
4. The micro-pressure filtering device before pump of claim 1, wherein the water inlet valve and the dirt cleaning valve are electromagnetic valves or electric valves, a liquid level sensor is arranged on the inner wall of the upper part of the grit chamber, the connecting terminals of the water inlet valve and the dirt cleaning valve are electrically connected with the controller, and the signal output terminal of the liquid level sensor is electrically connected with the signal input terminal of the controller.
5. A micro-pressure filtering device in front of a pump as set forth in claim 1,2 or 3, wherein the filter casing is installed outside the filter screen cylinder, a filter clean cavity surrounding the filter screen cylinder is installed inside the filter casing, a left joint is installed on the left part of the filter casing, a right joint is installed on the right part of the filter casing, the filter screen cylinder isolates the inner cavity of the left joint, the inner cavity of the right joint from the filter clean cavity, a water supply port is arranged on the lower part of the filter casing, the inner cavity of the water supply port is communicated with the filter clean cavity, the left joint comprises a joint body and a pipe joint screw sleeve, an external groove with joint external threads is arranged on the left part outer side surface of the joint body, the pipe joint screw sleeve is fixedly installed in the external groove through the joint external threads, a pipeline installation thread is arranged on the inner wall of the pipe joint screw sleeve, a seat support groove is arranged on the right part inner wall of the joint body, a left water distribution seat is installed in the seat support groove, a guide plate groove is arranged at the right end of the left water distribution seat corresponding to the end position of the guide plate, each guide plate at the left end of the water distribution seat is installed on the left water distribution seat through the guide plate groove, a groove is provided with a groove with an external groove with the joint internal thread, the joint body is fixedly installed at the left end of the filter screen cylinder through the left joint and the filter screen cylinder is tightly connected with the left filter screen cylinder through the left flange.
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| CN202010148610.1A CN111151052B (en) | 2020-03-05 | 2020-03-05 | Micro-pressure filter before pump |
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| CN104623956A (en) * | 2013-11-13 | 2015-05-20 | 阿力甫江·阿不里米提 | 6-inch torpedo sand removal net type automatic flushing filter |
| CN211836588U (en) * | 2020-03-05 | 2020-11-03 | 新疆农业大学 | Micro-pressure filter device before pump |
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| JP3343224B2 (en) * | 1999-06-11 | 2002-11-11 | 大信 黄 | Pipeline cleaning method and apparatus |
| CN101949453B (en) * | 2010-10-15 | 2012-07-04 | 柳州市京阳节能科技研发有限公司 | Multifunctional high-efficiency water-saving tap |
| CN202052418U (en) * | 2011-04-26 | 2011-11-30 | 院钟礼 | Upright visual filter for irrigation |
| CA2956247C (en) * | 2015-03-31 | 2020-08-18 | Midea Group Co., Ltd. | Indoor unit of air conditioner |
| CN108434858B (en) * | 2018-05-23 | 2024-04-19 | 新疆农业大学 | Self-cleaning continuous filter |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104623956A (en) * | 2013-11-13 | 2015-05-20 | 阿力甫江·阿不里米提 | 6-inch torpedo sand removal net type automatic flushing filter |
| CN211836588U (en) * | 2020-03-05 | 2020-11-03 | 新疆农业大学 | Micro-pressure filter device before pump |
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