CN110448957A - Centrifugal sand and stone filtering device of liquid manure integration equipment - Google Patents

Centrifugal sand and stone filtering device of liquid manure integration equipment Download PDF

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Publication number
CN110448957A
CN110448957A CN201910876756.5A CN201910876756A CN110448957A CN 110448957 A CN110448957 A CN 110448957A CN 201910876756 A CN201910876756 A CN 201910876756A CN 110448957 A CN110448957 A CN 110448957A
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CN
China
Prior art keywords
water
cylinder
wall
filter
top cover
Prior art date
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Pending
Application number
CN201910876756.5A
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Chinese (zh)
Inventor
任振辉
王娟
贾雅丽
李娜
程雪
张莉
刘旋
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Heibei Agricultural University
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Heibei Agricultural University
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Filing date
Publication date
Application filed by Heibei Agricultural University filed Critical Heibei Agricultural University
Priority to CN201910876756.5A priority Critical patent/CN110448957A/en
Publication of CN110448957A publication Critical patent/CN110448957A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/04Combinations of filters with settling tanks
    • B01D36/045Combination of filters with centrifugal separation devices

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Centrifugal Separators (AREA)

Abstract

The invention discloses a centrifugal sand and stone filtering device of a water and fertilizer integrated device, which comprises a barrel, wherein a top cover is arranged at the top of the barrel, a water inlet is formed in the top cover, the axis of the water inlet is tangent to the inner wall of the top cover, a dirt storage groove is formed in the inner wall of the barrel, a filter is fixed in the barrel through a pressing plate and is positioned below the dirt storage groove, the filter comprises a metal filter screen on the surface layer, a quartz filtering sand layer is filled in the metal filter screen, a water outlet is formed in the side wall of the barrel, the direction of the water outlet is opposite to that of the water inlet, and the axis. The invention can improve the defects of the prior art, can provide impurity-free water for the water and fertilizer integrated equipment, and ensures that the water and fertilizer integrated equipment is not blocked in use.

Description

A kind of centrifugal sand stone filter device of water-fertilizer integral equipment
Technical field
The present invention relates to agricultural irrigation equipment technical field, especially a kind of centrifugal sand stone filtering of water-fertilizer integral equipment Device.
Background technique
Agricultural belongs to the primary industry, is to provide the basic industry of the support development of the national economy and development.Agricultural high-effiency is water-saving Saving fertilizer technology is one of research and development key areas of modern agriculture, develops modern agriculture economy and is weighed by more and more people Depending on the novel liquid manure Integration Equipment that High-efficient Agricultural Water Use section fertilizer field needs researching and designing suitable.The country is to liquid manure one at present The filtering technique development of body equipment is less;And the research of water-fertilizer integral equipment is mostly focused on to correlations such as the proportions of liquid manure Problem, so that not proper enough the development with liquid manure equipment of existing water-fertilizer integral equipment filter device, is not suitable for using agriculture Industry fertigation water.Traditional filter device filter efficiency is lower, filter effect is not ideal enough, plant maintenance complex steps, Therefore need to research and develop that a kind of filter effect is good, the filtering used time is short, plant maintenance succinctly facilitates, filtering is efficiently convenient, while energy Enough carry out the mating Novel filter device suitable for various agriculture water sources.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of centrifugal sand stone filter devices of water-fertilizer integral equipment, can The deficiencies in the prior art are solved, no-sundries can be provided to water-fertilizer integral equipment and use water, guarantee that water-fertilizer integral equipment makes Do not occur the problems such as blocking in.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of centrifugal sand stone filter device of water-fertilizer integral equipment, including cylinder, cylinder top is equipped with top cover, described Water inlet is provided on top cover, the axis of water inlet and the inner wall of top cover are tangent, and the inner wall of cylinder is provided with dirt storage groove, in cylinder Filter is fixed with by pressing plate, and filter is located at below dirt storage groove, and filter includes the metal screen on surface layer, in metal screen Sand bed is filtered filled with quartz, cylinder lateral wall is provided with water outlet, the direction of water outlet and contrary, the water outlet of water inlet Axis and cylinder inner wall it is tangent.
Preferably, the top cover inner wall is provided with spiral stream guidance slot.
Preferably, being equipped with differential pressure pickup on the outside of the cylinder, two test sides of differential pressure pickup are fixed respectively In the top and bottom of filter.
Preferably, the filter center is fixed with sleeve, be movably installed with rotary shaft in sleeve, the top of sleeve and Bottom is separately installed with the sealing ring with rotary shaft sliding contact, and scraper plate, scraper plate and metal screen are fixed at the top of rotary shaft Sliding contact, the edge of metal screen are provided with annular groove, and the bottom of rotary shaft is fixed with impeller.
Preferably, the metal screen includes the wire through knitting device, rubber layer, rubber are enclosed on the outside of wire Layer surface offers several notch, and rubber layer is provided with gasket towards the side at the top of metal screen, and gasket is located at notch Lower section.
Preferably, the scraper plate and the engagement edge of rubber layer are provided with several toothed regions, the edge of toothed region is set It is equipped with arc-shaped side, the bottom surface of toothed region is provided with metallic sieve, and the angle of metallic sieve and toothed region is 22 °.
Brought beneficial effect is by adopting the above technical scheme: the present invention can be realized to be applied with water-fertilizer integral irrigation The tight fit of fertile equipment carries out high efficiency filter processing to primary water source by filter, and irrigation is applied in the completion of high quality guarantee amount The filtration of fertile water, while working efficiency is greatly improved, job costs are reduced, ensure that water-fertilizer integral is set Standby functional reliability.
The reversed tangent line design of intake-outlet can guarantee rinse the sundries in filter well in backwash. Water inlet is injected along the butt direction of top cover, and efficient rotational flow may be implemented under the guide functions of spiral stream guidance slot, from And large granular impurity is collected to dirt storage groove using centrifugal force.Differential pressure pickup is used to detect the pressure difference of filter two sides, when Pressure difference, from water outlet injected clear water, backwashes filter more than after given threshold.Since water flow is rotation in cylinder What turn of tidal stream moved, by driving impeller, realization scraper plate carries out rotation scraping on metal screen surface, remained on surface to metal screen Impurity is cleared up in real time, and impurity is made to be collected to annular groove, to extend the single use service life of filter.On the outside of wire Rubber layer can make strainer have certain elastic deformation ability, so that impurity scraping in scraper plate of the clamping stagnation in screen surface Under movement is used, it is easier to be detached from from strainer, the notch of rubber layer surface is used to improve the elastic deformation ability of rubber layer, gasket The supportive of rubber layer part can be improved, so that transverse deformation is mainly generated after rubber layer stress, consequently facilitating impurity It is scraped.The scraper plate of tooth form flows convenient for water flow between cog, is conducive to impurity cleaning, and arc-shaped side plays the work of protection rubber layer With metallic sieve is used to be filtered collection to the little particle impurity to suspend in water.
Detailed description of the invention
Fig. 1 is the structure chart of a specific embodiment of the invention.
Fig. 2 is the radial cross-section of wire in a specific embodiment of the invention.
Fig. 3 is the structure chart of scraper plate in a specific embodiment of the invention.
Fig. 4 is the structure chart of metallic sieve in a specific embodiment of the invention.
Specific embodiment
Referring to Fig.1-4, a specific embodiment of the invention includes cylinder 1, and top cover 2, the top are equipped at the top of cylinder 1 Water inlet 3 is provided on lid 2, the inner wall of the axis and top cover 2 of water inlet 3 is tangent, and the inner wall of cylinder 1 is provided with dirt storage groove 4, cylinder Filter 5 is fixed with by pressing plate 8 in body 1, filter 5 is located at 4 lower section of dirt storage groove, and filter 5 includes the metal screen on surface layer 6, metal screen 6 is interior filled with quartz filtering sand bed 7, and 1 side wall of cylinder is provided with water outlet 9, the direction of water outlet 9 and water inlet 3 it is contrary, the inner wall of the axis and cylinder 1 of water outlet 9 is tangent.2 inner wall of top cover is provided with spiral stream guidance slot 10.Into The reversed tangent line design of water outlet can guarantee rinse the sundries in filter 5 well in backwash.Water inlet along The butt direction of top cover 2 is injected, and efficient rotational flow may be implemented under the guide functions of spiral stream guidance slot 10, to utilize Large granular impurity is collected to dirt storage groove 4 by centrifugal force.Differential pressure pickup 11, differential pressure pickup 11 are installed on the outside of the cylinder 1 Two test sides be individually fixed in the top and bottom of filter 5.Differential pressure pickup 11 is installed on the outside of the cylinder 1, is pressed Two test sides of gap sensor 11 are individually fixed in the top and bottom of filter 5.Differential pressure pickup 11 is used to detect filtering The pressure difference of 5 two sides of device, from 9 injected clear water of water outlet, backwashes filter 5 after pressure difference is more than given threshold. 5 center of filter is fixed with sleeve 12, and rotary shaft 13, the top and bottom difference of sleeve 12 are movably installed in sleeve 12 Sealing ring 14 with 13 sliding contact of rotary shaft is installed, the top of rotary shaft 13 is fixed with scraper plate 15, and scraper plate 15 and metal are filtered 6 sliding contact of net, the edge of metal screen 6 are provided with annular groove 16, and the bottom of rotary shaft 13 is fixed with impeller 17.Due to water Stream is rotational flow in cylinder 1, and by driving impeller 17, realization scraper plate 15 carries out rotation scraping on 6 surface of metal screen, The impurity remained on surface of metal screen 6 is cleared up in real time, impurity is made to be collected to annular groove 16, to extend filter 5 The service life is intended for single use.The metal screen 6 includes the wire 18 through knitting device, is enclosed with rubber layer 19 on the outside of wire 18, 19 surface of rubber layer offers several notch 20, and the side at rubber layer 19 towards 6 top of metal screen is provided with gasket 21, pads Piece 21 is located at the lower section of notch 20.The rubber layer 19 in 18 outside of wire can make strainer have certain elastic deformation ability, So that impurity scraping effect under in scraper plate 15 of the clamping stagnation in screen surface, it is easier to be detached from from strainer, rubber layer 19 The notch 20 on surface is used to improve the elastic deformation ability of rubber layer 19, and the supportive of 19 part of rubber layer can be improved in gasket, So that transverse deformation is mainly generated after 19 stress of rubber layer, consequently facilitating impurity is scraped.Scraper plate 15 and rubber layer 19 Engagement edge is provided with several toothed regions 22, and the edge of toothed region 22 is provided with arc-shaped side 23, the bottom surface setting of toothed region 22 There is metallic sieve 24, metallic sieve 24 and the angle of toothed region 22 are 22 °, and the scraper plate 15 of tooth form flows convenient for water flow between cog, Be conducive to impurity cleaning, arc-shaped side 23 plays the role of protecting rubber layer 19, and metallic sieve 24 is used to suspending in water Little particle impurity is filtered collection.
In addition, metallic sieve 24 is designed as V-shape, closed convenient for collecting impurity structure of the invention using the groove of its own Reason, it is easy to use, effectively meet water-fertilizer integral equipment with water requirement.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown is merely for convenience of the description present invention, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (6)

1. a kind of centrifugal sand stone filter device of water-fertilizer integral equipment, including cylinder (1), cylinder (1) top are equipped with top cover (2), it is characterised in that: be provided with water inlet (3) on the top cover (2), the inner wall phase of the axis and top cover (2) of water inlet (3) It cuts, the inner wall of cylinder (1) is provided with dirt storage groove (4), is fixed with filter (5) in cylinder (1) by pressing plate (8), filter (5) Below dirt storage groove (4), filter (5) includes the metal screen (6) on surface layer, is filtered in metal screen (6) filled with quartz Sand bed (7), cylinder (1) side wall are provided with water outlet (9), and the direction of water outlet (9) is contrary with water inlet (3), water outlet The inner wall of the axis and cylinder (1) of mouth (9) is tangent.
2. the centrifugal sand stone filter device of water-fertilizer integral equipment according to claim 1, it is characterised in that: the top cover (2) inner wall is provided with spiral stream guidance slot (10).
3. the centrifugal sand stone filter device of water-fertilizer integral equipment according to claim 1, it is characterised in that: the cylinder (1) outside is equipped with differential pressure pickup (11), and two test sides of differential pressure pickup (11) are individually fixed in the top of filter (5) Portion and bottom.
4. the centrifugal sand stone filter device of water-fertilizer integral equipment according to claim 1, it is characterised in that: the filtering Device (5) center is fixed with sleeve (12), is movably installed with rotary shaft (13) in sleeve (12), the top and bottom point of sleeve (12) Be not equipped with the sealing ring (14) of rotary shaft (13) sliding contact, be fixed with scraper plate (15), scraper plate at the top of rotary shaft (13) (15) it is provided with annular groove (16) with metal screen (6) sliding contact, the edge of metal screen (6), the bottom of rotary shaft (13) Portion is fixed with impeller (17).
5. the centrifugal sand stone filter device of water-fertilizer integral equipment according to claim 4, it is characterised in that: the metal Strainer (6) includes the wire (18) through knitting device, is enclosed with rubber layer (19) on the outside of wire (18), rubber layer (19) surface Several notch (20) are offered, rubber layer (19) is provided with gasket (21), gasket towards the side at the top of metal screen (6) (21) it is located at the lower section of notch (20).
6. the centrifugal sand stone filter device of water-fertilizer integral equipment according to claim 5, it is characterised in that: the scraper plate (15) engagement edge of rubber layer (19) is provided with several toothed regions (22), the edge of toothed region (22) is provided with arc-shaped side (23), the bottom surface of toothed region (22) is provided with metallic sieve (24), and the angle of metallic sieve (24) and toothed region (22) is 22 °.
CN201910876756.5A 2019-09-17 2019-09-17 Centrifugal sand and stone filtering device of liquid manure integration equipment Pending CN110448957A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910876756.5A CN110448957A (en) 2019-09-17 2019-09-17 Centrifugal sand and stone filtering device of liquid manure integration equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910876756.5A CN110448957A (en) 2019-09-17 2019-09-17 Centrifugal sand and stone filtering device of liquid manure integration equipment

Publications (1)

Publication Number Publication Date
CN110448957A true CN110448957A (en) 2019-11-15

Family

ID=68492097

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910876756.5A Pending CN110448957A (en) 2019-09-17 2019-09-17 Centrifugal sand and stone filtering device of liquid manure integration equipment

Country Status (1)

Country Link
CN (1) CN110448957A (en)

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