CN114470929A - Sand and stone separator for deep well aeration - Google Patents

Sand and stone separator for deep well aeration Download PDF

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Publication number
CN114470929A
CN114470929A CN202210078743.5A CN202210078743A CN114470929A CN 114470929 A CN114470929 A CN 114470929A CN 202210078743 A CN202210078743 A CN 202210078743A CN 114470929 A CN114470929 A CN 114470929A
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CN
China
Prior art keywords
filter
frame
sand
grid
deep well
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210078743.5A
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Chinese (zh)
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CN114470929B (en
Inventor
谢家海
石松泉
陈佳俊
邹东刚
柴育超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Jinze Water Resources And Environment Research Co ltd
Suzhou Jinze Environmental Development Co ltd
Original Assignee
Suzhou Jinze Water Resources And Environment Research Co ltd
Suzhou Jinze Environmental Development Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Suzhou Jinze Water Resources And Environment Research Co ltd, Suzhou Jinze Environmental Development Co ltd filed Critical Suzhou Jinze Water Resources And Environment Research Co ltd
Priority to CN202210078743.5A priority Critical patent/CN114470929B/en
Publication of CN114470929A publication Critical patent/CN114470929A/en
Application granted granted Critical
Publication of CN114470929B publication Critical patent/CN114470929B/en
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    • 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
    • B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
    • 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
    • B01D29/01—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 flat filtering elements
    • B01D29/03—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 flat filtering elements self-supporting
    • 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
    • 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
    • B01D29/92—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 discharging filtrate
    • 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
    • B01D29/94—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 discharging the filter cake, e.g. chutes
    • 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
    • B01D29/965—Device for changing the inclination of the filtering element
    • 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
    • B01D29/01—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 flat filtering elements
    • B01D29/03—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 flat filtering elements self-supporting
    • B01D2029/033—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 flat filtering elements self-supporting bar screens
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention provides a sand and stone separating and screening device for deep well aeration. The backplate articulates the back at the box, drive assembly sets up on the backplate, filter the frame and be connected with drive assembly linkage. The filter frame comprises a first filter grid and a second filter grid. The middle parts of the second filter grid and the first filter grid are hinged with each other. The sand and stone separating and screening device for deep well aeration is matched with a driving assembly through a box body, a filter frame, a back plate and the like. The invention can be opened and closed through the filter frame to present two screens which are not positioned on the same plane, so that when the filtered water is poured into one of the two water inlets, the filter frame is rotated, and a part of the screens are aligned with the outlets of the water inlets in parallel to complete the filtering, and meanwhile, the stones on the filter frame can be discharged through alternate use. Is convenient for people to use.

Description

Sand and stone separator for deep well aeration
Technical Field
The invention relates to the technical field of deep well aeration equipment, in particular to a sand and stone separator for deep well aeration.
Background
The traditional screening filter screen has problems in the using process, such as: when the screen is used for screening sand, the sand can be accumulated on the screen to cause blockage and damage. After screening out the sand, the water quality filtering device is not integrated with the sand screening device, so that the water to be filtered is led to the next device, and more pollution and corrosion are caused. Meanwhile, when water quality is filtered, the filtering layer is fixed and cannot be effectively improved aiming at polluted water with different degrees.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a sand and stone separator for deep well aeration.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a sand and stone separator for deep well aeration comprises a box body, a filter frame, a back plate and a driving assembly. The back plate is hinged to the back face of the box body, the driving assembly is arranged on the back plate, and the filter frame is connected with the driving assembly in a linkage mode. The filter frame comprises a first filter grid and a second filter grid. The middle parts of the second filter grid and the first filter grid are hinged with each other, and the barrier of the second filter grid is matched with the opening groove of the first filter grid. Two water inlets are formed in the top of the box body and correspond to the filter frame.
Preferably, the driving assembly is in linkage connection with the first filtering grid and the second filtering grid. The driving assembly comprises a first side gear ring, a second side gear ring, two gears and a motor. The side tooth ring II is sleeved outside the side tooth ring I, and the side tooth ring II and the side tooth ring are coaxially pivoted on the back plate. The side toothed ring II and the side toothed ring I are arranged outside the box body, and the two motors are arranged on the outer side of the back plate. The gear is arranged at the output end of the motor. The two gears are respectively meshed with the first side gear ring and the second side gear ring.
Preferably, the filter frame further comprises two baffles which are pivoted on the front side and the back side of the box body. The second filter grid is embedded in the baffle. The surface of the baffle is attached to the side face of the first filter grid.
Preferably, the filter frame further comprises a main driving ring seat, a plug board, a driving motor, two movable plates and a fixed plate. The main driving ring seat is arranged on the front face of the back plate, and one end of the inserting plate is in sliding fit with the main driving ring seat. The driving motor is arranged at the other end of the inserting plate, and the two fixing plates are hinged to the output end of the driving motor. The movable plate is in sliding fit with the fixed plate. The fixed plate corresponds to the center of the filter frame.
Preferably, the filter rack further comprises a plurality of inserted bars, and the plurality of inserted bars are arranged at the bottom of the movable plate. And a plurality of inserting rods are respectively inserted into the gaps of the first filter grid and the second filter grid. The fixed plate corresponds to the intersection of the first filter grid and the second filter grid.
Preferably, the filter frame further comprises a connecting rod, a filter layer and a clamping plate frame, and the connecting rod is in sliding fit with the main driving ring seat. The splint frame sets up on the connecting rod, the filter layer sets up in the splint frame. The clamping plate frame is positioned in a gap between the first filter grid and the second filter grid.
Preferably, the filter frame further comprises a filtered water collecting tank which is positioned at the bottom of the filter frame. The filtered water collecting box is arranged on the inner wall of the bottom of the box body.
Preferably, the baffle plate is provided with a plurality of slots at equal angles by taking the driving motor as a center.
Preferably, still include the grit collecting box, the grit collecting box sets up in the box, the grit collecting box corresponds with the filter stand.
(III) advantageous effects
The invention provides a sand and stone separator for deep well aeration. The method has the following beneficial effects:
1. the sand and stone separating and screening device for deep well aeration is matched with a driving assembly through a box body, a filter frame, a back plate and the like. The invention can be opened and closed through the filter frame to present two screens which are not positioned on the same plane, so that when the filtered water is poured into one of the two water inlets, the filter frame is rotated, and a part of the screens are aligned with the outlets of the water inlets in parallel to complete the filtering, and meanwhile, the stones on the filter frame can be discharged through alternate use. Is convenient for people to use.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a third perspective view of the present invention;
FIG. 4 is a perspective view of a first partial member of the present invention;
FIG. 5 is a perspective view of a second partial component of the present invention;
FIG. 6 is a perspective view of a third partial component of the present invention;
FIG. 7 is a perspective view of a fourth partial component of the present invention;
FIG. 8 is a perspective view of a fifth partial component of the present invention;
FIG. 9 is a perspective view of a sixth partial element of the present invention;
fig. 10 is a perspective view of a seventh partial component of the present invention.
In the figure: the filter comprises a box body 1, a water inlet 2, a back plate 3, a filter frame 4, a filter grid I5, a sand collecting box 6, a filter grid II 7, a filter water collecting box 8, a driving component 9, a main driving ring seat 10, a baffle 11, a side toothed ring I12, a side toothed ring II 13, a side toothed ring II 14, a motor 15, a slot 16, a gear 17, a driving motor 18, a movable plate 19, a fixed plate 20, an inserted rod 21, a clamping plate frame 22, a filter layer 23 and a connecting rod 24.
Detailed Description
The embodiment of the invention provides a sand and stone separator for deep well aeration, which comprises a box body 1, a filter frame 4, a back plate 3 and a driving assembly 9 as shown in figures 1-10. Backplate 3 articulates at the back of box 1, and drive assembly 9 sets up on backplate 3, and filter holder 4 is connected with drive assembly 9 linkage. The filter frame 4 includes a first filter grid 5 and a second filter grid 7. The middle parts of the second filtering grid 7 and the first filtering grid 5 are hinged with each other, and the barrier of the second filtering grid 7 is matched with the opening groove of the first filtering grid 5. Two water inlets 2 are arranged at the top of the box body 1, and the water inlets 2 correspond to the filter frame 4.
Through hinging each other the middle part with two 7 and 5 filter grids, so can let filter frame 4 be the X form, so adjust two filter grids's position and can control its gap between the two, make things convenient for personnel to add the filter screen of different levels. The use efficiency of personnel is greatly improved.
Meanwhile, the X shape can form a V-shaped contact surface at the top, after the filter frame 4 is rotated, the filter frame is filtered by using the filter screen at one side, after gravels are accumulated on the filter frame, the filter frame is rotated to enable the other side to be parallel to the other water outlet for filtering, the gravels are moved to a middle collecting position in an inclined state in the rotating process and collected, and the gravels are poured into the dustbin through integral inclination. And even if the sand is stuck in the grid gaps, the sand is extruded out by changing the X state into the in-line state. No clogging occurs.
The driving assembly 9 is connected with the first filter grid 5 and the second filter grid 7 in a linkage mode. The drive assembly 9 comprises a first side gear ring 12, a second side gear ring 14, two gears 17 and a motor 15. The second side tooth ring 14 is sleeved outside the first side tooth ring 12, and the second side tooth ring 14 and the first side tooth ring 12 are coaxially pivoted on the back plate 3. The teeth of the second side toothed ring 14 and the first side toothed ring 12 are positioned outside the box body 1, and the two motors 15 are arranged outside the back plate 3. A gear 17 is provided at the output of the motor 15. The two gears 17 are respectively engaged with the first side ring gear 12 and the second side ring gear 14.
The filter stand 4 further comprises two baffle plates 11, and the two baffle plates 11 are pivoted on the front side and the back side of the box body 1. The second filter grid 7 is embedded in the baffle 11. The surface of the baffle 11 is attached to the side surface of the first filter grid 5.
The filter frame 4 further comprises a main driving ring seat 10, an inserting plate 13, a driving motor 18, two movable plates 19 and a fixed plate 20. The main driving ring seat 10 is arranged on the front surface of the back plate 3, and one end of the insert plate 13 is in sliding fit with the main driving ring seat 10. A drive motor 18 is arranged at the other end of the plug board 13, and two fixing plates 20 are hinged at the output end of the drive motor 18. The movable plate 19 is slidably fitted on the fixed plate 20. The fixing plate 20 corresponds to the center of the filter holder 4.
The filter frame 4 further includes a plurality of insert rods 21, and the plurality of insert rods 21 are disposed at the bottom of the movable plate 19. A plurality of insertion rods 21 are respectively inserted into the slits of the first filter grid 5 and the second filter grid 7. The fixing plate 20 corresponds to the crossing of the first filter grid 5 and the second filter grid 7.
The filter frame 4 further comprises a connecting rod 24, a filter layer 23 and a clamping plate frame 22, wherein the connecting rod 24 is in sliding fit on the main driving ring seat 10. The clamping plate frame 22 is arranged on the connecting rod 24, and the filter layer 23 is arranged in the clamping plate frame 22. A clamping plate frame 22 is positioned in the gap between the first filter grid 5 and the second filter grid 7.
And the filter water collecting box 8 is also included, and the filter water collecting box 8 is positioned at the bottom of the filter frame 4. The filtered water collection tank 8 is provided on the inner wall of the bottom of the tank 1.
The baffle 11 is provided with a plurality of slots 16 at equal angles around a driving motor 18.
Still include grit collecting box 6, grit collecting box 6 sets up in box 1, and grit collecting box 6 corresponds with filter stand 4.
The working principle is as follows: when in use, the first filtering grid 5 and the second filtering grid 7 are forced to be separated into an X shape by controlling the rotation of the second side tooth ring 14 and the first side tooth ring 12. Then the clamping plate frame 22 is broken off to fit the side opening of the filter frame 4, the filter layer 23 is inserted into the clamping plate frame 22, and then the driving motor 18 is controlled to drive the movable plate 19 and the clamping plate frame 22 to be arranged at the top of the filter frame 4, so that the fixed plate 20 just locks the joint of the first filter grid 5 and the second filter grid 7. When filtering, water is first introduced through one of the water inlets 2. Meanwhile, the filter frame 4 is rotated to enable the inclined plane on one side of the top of the filter frame 4 to correspond to the water inlet 2, when more stones are arranged on the inclined plane, the other water inlet 2 is opened, the inclined plane on the other side is parallel to the other water inlet 2 by rotating the filter frame 4, meanwhile, the inclined plane inclines to pour the stones into the fixed plate 20, the back plate 3 is swung, and the stones on the fixed plate 20 are poured into the gravel collecting box 6.
In conclusion, the sand and stone separator for deep well aeration is mutually matched through the arranged box body 1, the filter frame 4, the back plate 3 and the driving assembly 9. The present invention can be made to have two screens that are not on the same plane by opening and closing the filter frame 4, so that when the filtered water is poured from one of the two water inlets 2, the filter frame 4 is rotated, and a part of the screens is aligned in parallel with the outlets of the water inlets 2 to complete the filtering, and simultaneously, the stones on the filter frame 4 can be discharged by the alternate use. Is convenient for people to use.

Claims (9)

1. The utility model provides a sand and stone divides sieve ware for deep well aeration which characterized in that: including box (1), cross filter frame (4), backplate (3) and drive assembly (9), backplate (3) articulate the back in box (1), drive assembly (9) set up on backplate (3), it is connected with drive assembly (9) linkage to cross filter frame (4), cross filter frame (4) including filtering grid one (5) and filtering grid two (7), the middle part of filtering grid two (7) and filtering grid one (5) is articulated each other, the barrier of filtering grid two (7) and the open groove looks adaptation of filtering grid one (5), two water inlets (2) have been seted up at the top of box (1), water inlet (2) are corresponding with filter frame (4).
2. The sand and stone separator for deep well aeration according to claim 1, wherein: drive assembly (9) are connected with filter grid (5) and the linkage of filter grid two (7), drive assembly (9) are including side tooth ring one (12), side tooth ring two (14), two gears (17) and motor (15), side tooth ring two (14) cover is in side tooth ring one (12) outside, side tooth ring two (14) and side tooth ring one (12) are with the axle center pin joint on backplate (3), the rodent of side tooth ring two (14) and side tooth ring one (12) is located outside box (1), and two motors (15) set up the outside at backplate (3), gear (17) set up the output at motor (15), two gears (17) respectively with side tooth ring one (12) and side tooth ring two (14) meshing.
3. The sand and stone separator for deep well aeration according to claim 2, wherein: the filter frame (4) further comprises two baffles (11), the two baffles (11) are pivoted on the front side and the back side of the box body (1), the second filter grids (7) are embedded into the baffles (11), and the surfaces of the baffles (11) are attached to the side faces of the first filter grids (5).
4. The sand and stone separator for deep well aeration according to claim 3, wherein: filter frame (4) and still include main drive ring seat (10), picture peg (13), driving motor (18), two fly leaves (19) and fixed plate (20), main drive ring seat (10) set up on the front of backplate (3), the one end sliding fit of picture peg (13) is on main drive ring seat (10), driving motor (18) set up to the other end of picture peg (13) on, two fixed plates (20) articulate on the output of driving motor (18), fly leaf (19) sliding fit is on fixed plate (20), fixed plate (20) are corresponding with the central authorities department of filtering frame (4).
5. The sand and stone separator for deep well aeration according to claim 4, wherein: the filter frame (4) further comprises a plurality of inserting rods (21), the inserting rods (21) are arranged at the bottom of the movable plate (19), the inserting rods (21) are respectively inserted into gaps of the first filter grids (5) and the second filter grids (7), and the crossing positions of the first filter grids (5) and the second filter grids (7) correspond to the fixing plates (20).
6. The sand and stone separator for deep well aeration according to claim 5, wherein: filter frame (4) and still include connecting rod (24), filter layer (23) and splint frame (22), connecting rod (24) sliding fit is on main drive ring seat (10), splint frame (22) set up on connecting rod (24), filter layer (23) set up in splint frame (22), splint frame (22) are located the crack between filtration grid one (5) and filtration grid two (7).
7. The sand and stone separator for deep well aeration according to claim 6, wherein: the filter water collecting box is characterized by further comprising a filter water collecting box (8), wherein the filter water collecting box (8) is located at the bottom of the filter frame (4), and the filter water collecting box (8) is arranged on the inner wall of the bottom of the box body (1).
8. The sand separator for deep well aeration according to claim 7, wherein: the baffle (11) is provided with a plurality of slots (16) at equal angles by taking the driving motor (18) as the center.
9. The sand and stone separator for deep well aeration according to claim 8, wherein: still include grit collecting box (6), grit collecting box (6) set up in box (1), grit collecting box (6) are corresponding with filter stand (4).
CN202210078743.5A 2022-01-24 2022-01-24 Sand and stone screening device for deep well aeration Active CN114470929B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210078743.5A CN114470929B (en) 2022-01-24 2022-01-24 Sand and stone screening device for deep well aeration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210078743.5A CN114470929B (en) 2022-01-24 2022-01-24 Sand and stone screening device for deep well aeration

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Publication Number Publication Date
CN114470929A true CN114470929A (en) 2022-05-13
CN114470929B CN114470929B (en) 2023-05-09

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1440592A (en) * 1969-12-15 1976-06-23 Dresser Ind Filtering method and apparatus
US5006135A (en) * 1989-12-12 1991-04-09 David Friesen Self cleaning screen
CN103721923A (en) * 2014-01-15 2014-04-16 济南大学 Rotary type five-level screening bushing screen
CN208960376U (en) * 2018-07-28 2019-06-11 深圳市和顺居建筑材料有限公司 The sandstone-screening machine of adjustable screen
CN211051916U (en) * 2019-11-30 2020-07-21 漯河职业技术学院 Grit screening plant for construction
CN211328468U (en) * 2019-10-17 2020-08-25 北京水研环境科技股份有限公司 Sewage treatment interception net capable of preventing sludge from blocking
CN111807433A (en) * 2020-07-11 2020-10-23 彭素荣 Water treatment rose box
CN111892116A (en) * 2020-08-17 2020-11-06 河南省鹏达羽绒制品有限公司 Air floatation machine for treating down production wastewater
CN112774277A (en) * 2021-01-13 2021-05-11 安徽金川建设工程有限公司 Riverway black and odorous water body treatment and restoration system
CN113230744A (en) * 2021-06-04 2021-08-10 罗建平 Isolating device with circulating filtration for water pollution prevention and control

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1440592A (en) * 1969-12-15 1976-06-23 Dresser Ind Filtering method and apparatus
US5006135A (en) * 1989-12-12 1991-04-09 David Friesen Self cleaning screen
CN103721923A (en) * 2014-01-15 2014-04-16 济南大学 Rotary type five-level screening bushing screen
CN208960376U (en) * 2018-07-28 2019-06-11 深圳市和顺居建筑材料有限公司 The sandstone-screening machine of adjustable screen
CN211328468U (en) * 2019-10-17 2020-08-25 北京水研环境科技股份有限公司 Sewage treatment interception net capable of preventing sludge from blocking
CN211051916U (en) * 2019-11-30 2020-07-21 漯河职业技术学院 Grit screening plant for construction
CN111807433A (en) * 2020-07-11 2020-10-23 彭素荣 Water treatment rose box
CN111892116A (en) * 2020-08-17 2020-11-06 河南省鹏达羽绒制品有限公司 Air floatation machine for treating down production wastewater
CN112774277A (en) * 2021-01-13 2021-05-11 安徽金川建设工程有限公司 Riverway black and odorous water body treatment and restoration system
CN113230744A (en) * 2021-06-04 2021-08-10 罗建平 Isolating device with circulating filtration for water pollution prevention and control

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