CN111995005A - Equipment for treating landfill leachate by roll type reverse osmosis membrane process - Google Patents

Equipment for treating landfill leachate by roll type reverse osmosis membrane process Download PDF

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Publication number
CN111995005A
CN111995005A CN202010996209.3A CN202010996209A CN111995005A CN 111995005 A CN111995005 A CN 111995005A CN 202010996209 A CN202010996209 A CN 202010996209A CN 111995005 A CN111995005 A CN 111995005A
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CN
China
Prior art keywords
reverse osmosis
osmosis membrane
plate
limiting
type reverse
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Pending
Application number
CN202010996209.3A
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Chinese (zh)
Inventor
黎三明
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Guangdong Jundao Environmental Protection Technology Co ltd
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Guangdong Jundao Environmental Protection Technology Co ltd
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Application filed by Guangdong Jundao Environmental Protection Technology Co ltd filed Critical Guangdong Jundao Environmental Protection Technology Co ltd
Priority to CN202010996209.3A priority Critical patent/CN111995005A/en
Publication of CN111995005A publication Critical patent/CN111995005A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/10—Spiral-wound membrane modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/06—Contaminated groundwater or leachate

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention discloses a device for treating landfill leachate by a roll type reverse osmosis membrane process, which comprises a limiting component, a roll type reverse osmosis membrane tube, a first limiting ring, a drain pipe, a water inlet tube, a drain connecting port, a water inlet connecting port, a first supporting plate, a supporting leg, a limiting rod, a stud, a baffle plate, a water outlet connecting port, a water outlet connecting hose, a movable plate, a top plate, a second limiting ring, a vertical plate, a bottom plate and a second supporting plate, wherein valves are respectively arranged at the connecting part of the water outlet connecting hose and the water outlet connecting port, the connecting part of the water inlet connecting port and the water inlet tube and the connecting part of the drain connecting port and the drain pipe, so that when one roll type reverse osmosis membrane tube is disassembled and maintained, other roll type reverse osmosis membrane tubes can normally work, the working efficiency is improved, and the first limiting ring, the second limiting ring, the movable plate and the limiting component are used for limiting and, the fixing mode in the tradition is changed, and the roll type reverse osmosis membrane tube is convenient to disassemble and assemble.

Description

Equipment for treating landfill leachate by roll type reverse osmosis membrane process
Technical Field
The invention relates to the technical field of landfill leachate treatment equipment, in particular to equipment for treating landfill leachate by using a roll-type reverse osmosis membrane process.
Background
The garbage leachate is high-concentration organic wastewater which is formed by deducting saturated water holding capacity of garbage and a soil covering layer from water contained in the garbage in a garbage landfill, rain, snow water and other water entering the landfill, and passing through the garbage layer and the soil covering layer, wherein the kitchen garbage contains extremely high garbage leachate, and the roll type reverse osmosis membrane has good filtering and separating effects in the treatment process of the kitchen garbage, so that equipment for treating the garbage leachate is generally used by using the roll type reverse osmosis membrane process, the existing equipment for treating the garbage leachate is generally composed of a plurality of mutually corresponding roll type reverse osmosis membranes, and when one roll type reverse osmosis membrane is damaged, the equipment needs to work and then be replaced or maintained, the working time is greatly wasted in the replacement or maintenance process, and the working efficiency is reduced, when installing roll formula reverse osmosis membrane simultaneously, the mode that uses the bolt usually carries out spacing fastening, and this fixed mode is unfavorable for carrying out the dismouting to roll formula reverse osmosis membrane.
Disclosure of Invention
The invention aims to provide equipment for treating landfill leachate by using a roll type reverse osmosis membrane process, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: an apparatus for treating landfill leachate by a roll type reverse osmosis membrane process comprises a limiting component, a roll type reverse osmosis membrane tube, a first limiting ring, a blow-off tube, a water inlet tube, a blow-off connector, a water inlet connector, a first supporting plate, supporting legs, limiting rods, studs, baffles, a water outlet connector, a water outlet connecting hose, a movable plate, a top plate, a second limiting ring, a vertical plate, a bottom plate and a second supporting plate, wherein the top end of each supporting leg is fixedly connected with four corners of the bottom end of the bottom plate through bolts, the top end of the bottom plate is uniformly fixedly connected with the bottom ends of a plurality of first limiting rings corresponding to each other through bolts, the bottom end of the roll type reverse osmosis membrane tube is positioned inside the first limiting ring, the bottom end of the roll type reverse osmosis membrane tube is respectively attached to the top end of the bottom plate, and the two sides of the center of the top end of the bottom, a through hole is formed at the joint of the top plate and the top end of the rolled reverse osmosis membrane tube, the top end of the rolled reverse osmosis membrane tube is positioned inside the second limiting ring, and the center of the rolled reverse osmosis membrane tube is positioned inside the limiting component;
the limiting assembly comprises a limiting pipe, a spring, a limiting column, an arc-shaped plate and a pull rod, the center of the rolled reverse osmosis membrane pipe is positioned inside the limiting pipe, the center of one side of the limiting pipe is uniformly and fixedly connected with one side of the vertical plate through a bolt, the center of the other side of the limiting pipe is provided with a through hole, one end of the pull rod penetrates through the through hole and is fixedly connected with the center of one side of the arc-shaped plate, the two ends of the center of the other side of the limiting pipe are respectively provided with a through hole, one end of the limiting column penetrates through the through hole and is fixedly connected with the two ends of the center of one side of the arc-shaped plate, the limiting column is wound with the spring, the spring is positioned on one side of the inside of the limiting pipe and one side of the arc-shaped plate, the center of the rolled reverse osmosis membrane pipe is positioned on the other side of the inside of the, the bottom end of the movable plate is attached to the top end of the top plate, one end of the movable plate is fixedly connected with the top end of one side of the baffle through a bolt, the two sides of the center of the bottom end of one side of the baffle are respectively fixedly connected with one end of the limiting rod, and the through hole formed in the two sides of the center of the top end of the limiting rod penetrating through the second support plate is located in one side, close to the roll type reverse osmosis membrane tube, of the second support plate.
Further, the bottom center both sides of book formula reverse osmosis membrane pipe are provided with blowdown connector and water inlet connector respectively, and the bottom plate has seted up the through-hole with the junction of blowdown connector and water inlet connector respectively, the bottom of water inlet connector respectively with the top fixed connection of inlet tube, and the junction installs the valve, the bottom of blowdown connector evenly with the top fixed connection of blow off pipe, and the valve is installed to the junction.
Furthermore, the top of first backup pad and second backup pad respectively with the bottom both sides fixed connection of roof, a plurality of mutual second spacing rings that correspond are evenly installed to the bottom of roof, and the axis of second spacing ring is in same vertical straight line with the axis of first spacing ring.
Furthermore, a water outlet connector is arranged at the center of the top end of the roll type reverse osmosis membrane tube, the water outlet connector penetrates through holes uniformly formed in the movable plate and is fixedly connected with the bottom of the water outlet connecting hose, and a valve is arranged at the joint.
Furthermore, a threaded hole is formed in the center of the top end of the second supporting plate and is connected with the stud in a matched mode, and the stud is fixedly connected with the center of the baffle in a sleeved mode in the bearing in an embedded mode.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the valves are arranged at the connection part of the water outlet connecting hose and the water outlet connecting port, the connection part of the water inlet connecting port and the water inlet pipe and the connection part of the sewage discharge connecting port and the sewage discharge pipe, so that the roll-type reverse osmosis membrane pipes are not interfered with each other in the working process, the other roll-type reverse osmosis membrane pipes can normally work when one roll-type reverse osmosis membrane pipe is disassembled and maintained, the integral stop of the equipment is avoided, the working efficiency is improved, the roll-type reverse osmosis membrane pipes are limited and fixed by the arranged first limiting ring, the second limiting ring, the movable plate and the limiting component, the traditional fixing mode is changed, and the roll-type reverse osmosis membrane pipes are convenient to disassemble and assemble.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall construction of the present invention;
FIG. 3 is a side cross-sectional view of the overall construction of the spacing assembly of the present invention;
FIG. 4 is a top view of the spacing tube of the present invention;
FIG. 5 is a top view of the moving plate of the present invention;
in the figure: 1. a limiting component; 2. a roll-up reverse osmosis membrane tube; 3. a first limit ring; 4. a blow-off pipe; 5. a water inlet pipe; 6. a sewage discharge connector; 7. a water inlet connector; 8. a first support plate; 9. supporting legs; 10. a limiting rod; 11. a stud; 12. a baffle plate; 13. a water outlet connector; 14. the water outlet is connected with a hose; 15. moving the plate; 16. a top plate; 17. a second stop collar; 18. a vertical plate; 19. a base plate; 20. a second support plate; 101. a limiting pipe; 102. a spring; 103. a limiting column; 104. an arc-shaped plate; 105. a pull rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: an apparatus for treating landfill leachate by a roll type reverse osmosis membrane process comprises a limiting component 1, a roll type reverse osmosis membrane tube 2, a first limiting ring 3, a drain pipe 4, a water inlet pipe 5, a sewage discharge connecting port 6, a water inlet connecting port 7, a first supporting plate 8, supporting legs 9, limiting rods 10, studs 11, baffles 12, a water outlet connecting port 13, a water outlet connecting hose 14, a movable plate 15, a top plate 16, a second limiting ring 17, a vertical plate 18, a bottom plate 19 and a second supporting plate 20, wherein the top ends of the supporting legs 9 are fixedly connected with four corners of the bottom end of the bottom plate 19 through bolts respectively, the top end of the bottom plate 19 is uniformly fixedly connected with the bottom ends of a plurality of first limiting rings 3 corresponding to each other through bolts, the bottom end of the roll type reverse osmosis membrane tube 2 is positioned inside the first limiting ring 3, the bottom end of the roll type reverse osmosis membrane tube 2 is respectively attached to the top end of the bottom plate 19, the sewage discharge connecting port, and the bottom plate 19 is respectively provided with a through hole at the joint of the sewage discharge connector 6 and the water inlet connector 7, the bottom end of the water inlet connector 7 is respectively fixedly connected with the top end of the water inlet pipe 5, and the joint is provided with a valve, the bottom end of the sewage discharge connector 6 is uniformly and fixedly connected with the top of the sewage discharge pipe 4, and the joint is provided with a valve, which is favorable for discharging impurities in the garbage percolate, two sides of the center of the top end of the bottom plate 19 are respectively and fixedly connected with the bottom ends of the first support plate 8 and the second support plate 20 through bolts, the top ends of the first support plate 8 and the second support plate 20 are respectively and fixedly connected with two sides of the bottom end of the top plate 16, the bottom end of the top plate 16 is uniformly provided with a plurality of second limiting rings 17 which correspond to each other, and the axis of the second limiting rings 17 and the axis of the first limiting ring 3 are, a through hole is formed at the joint of the top plate 16 and the top end of the rolled reverse osmosis membrane tube 2, the top end of the rolled reverse osmosis membrane tube 2 is positioned inside the second limiting ring 17, and the center of the rolled reverse osmosis membrane tube 2 is positioned inside the limiting component 1;
the limiting assembly 1 comprises a limiting pipe 101, a spring 102, a limiting column 103, an arc plate 104 and a pull rod 105, the center of a rolled reverse osmosis membrane pipe 2 is positioned inside the limiting pipe 101, the center of one side of the limiting pipe 101 is uniformly and fixedly connected with one side of a vertical plate 18 through a bolt, the center of the other side of the limiting pipe 101 is provided with a through hole, one end of the pull rod 105 penetrates through the through hole and is fixedly connected with the center of one side of the arc plate 104, the two ends of the center of the other side of the limiting pipe 101 are respectively provided with a through hole, one end of the limiting column 103 penetrates through the through hole and is fixedly connected with the two ends of the center of one side of the arc plate 104, the limiting column 103 is wound and connected with the spring 102, the spring 102 is positioned on one side of the inside of the limiting pipe 101 and one side of the arc plate 104, the center of the rolled reverse osmosis membrane pipe 2 is positioned on the other side of the inside of the limiting pipe, a water outlet connecting port 13 is arranged at the center of the top end of the roll type reverse osmosis membrane tube 2, the water outlet connecting port 13 penetrates through holes uniformly formed on a moving plate 15 and is fixedly connected with the bottom of a water outlet connecting hose 14, and the joint is provided with a valve which is beneficial to discharging the filtered water, the bottom end of the movable plate 15 is attached to the top end of the top plate 16, one end of the movable plate 15 is fixedly connected with the top end of one side of the baffle plate 12 through a bolt, the two sides of the center of the bottom end of one side of the baffle plate 12 are respectively fixedly connected with one end of the limiting rod 10, and the other end of the limiting rod 10 penetrates through the through holes arranged at the two sides of the center of the top end of the second support plate 20 and is positioned at one side of the second support plate 20 close to the roll type reverse osmosis membrane tube 2, the center of the top end of the second support plate 20 is provided with a threaded hole, the threaded hole is matched and connected with the stud 11, and the stud 11 is fixedly connected with the center of the baffle 12 in a sleeved mode in a bearing embedded and installed; when the invention is used, the stud 11 is manually rotated to drive the baffle plate 12 to move, the limiting rod 10 and the second support plate 20 relatively move, the top plate 16 is driven to move along with the movement of the baffle plate 12, when the baffle plate 12 is attached to the second support plate 20, the stud 11 is stopped being rotated, then the pull rod 105 is pulled to drive the arc-shaped plate 104 to move, the limiting column 103 and the limiting pipe 101 are driven to relatively move along with the movement of the arc-shaped plate 104, the spring 102 is in a compressed state, then the bottom end of the rolled reverse osmosis membrane tube 2 is manually made to respectively penetrate through the inner parts of the first limiting ring 3 of the through holes formed in the top plate 16 and the moving plate 15 and the limiting pipe 101 to enable the bottom end of the rolled reverse osmosis membrane tube 2 to be attached to the top end of the bottom plate 19, and the bottom ends of the sewage discharge connection port 6 and the water inlet connection port 7 to respectively penetrate through the through holes formed in the, then stopping pulling the pull rod 105, then enabling the rolled reverse osmosis membrane tube 2, the arc-shaped plate 104 and the limiting tube 101 to be relatively fixed through the elastic force of the spring 102, then driving the limiting rod 10 and the baffle plate 12 to move reversely through reversely rotating the stud 11, thereby driving the moving plate 15 and the top plate 16 to move relatively, so that the stud 11 is rotated to enable one end of the stud 11 corresponding to the baffle plate 12 to be positioned in a threaded hole formed in the center of the top end of the second support plate 20, thereby stopping rotating the stud 11, then manually and respectively fixedly connecting the sewage discharge pipe 4, the water inlet pipe 5, the water outlet connecting hose 14 and the valve with the sewage discharge connecting port 6, the water inlet connecting port 7 and the water outlet connecting port 13, and enabling the valve to be in an open state, then manually enabling garbage penetrating fluid to enter from the water inlet pipe 5 to enter the inside of the rolled reverse osmosis membrane, the treated non-waste water is discharged from the water outlet connecting hose 14, and the waste water is discharged from the sewage discharge pipe 4.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides an equipment of formula of book reverse osmosis membrane technology processing landfill leachate, includes spacing subassembly (1), formula of book reverse osmosis membrane pipe (2), first spacing ring (3), blow off pipe (4), inlet tube (5), blowdown connector (6), water inlet connector (7), first backup pad (8), supporting leg (9), gag lever post (10), double-screw bolt (11), baffle (12), play water connector (13), play water coupling hose (14), movable plate (15), roof (16), second spacing ring (17), vertical board (18), bottom plate (19) and second backup pad (20), its characterized in that: the top ends of the supporting legs (9) are respectively fixedly connected with four corners of the bottom end of the bottom plate (19) through bolts, the top end of the bottom plate (19) is uniformly and fixedly connected with the bottom ends of a plurality of first limiting rings (3) which correspond to each other through bolts, the bottom end of the roll type reverse osmosis membrane tube (2) is positioned in the first limiting ring (3), the bottom ends of the roll type reverse osmosis membrane tubes (2) are respectively attached to the top ends of the bottom plates (19), two sides of the center of the top end of the bottom plate (19) are respectively fixedly connected with the bottom ends of the first supporting plate (8) and the second supporting plate (20) through bolts, the joint of the top plate (16) and the top end of the roll type reverse osmosis membrane tube (2) is provided with a through hole, the top end of the roll type reverse osmosis membrane tube (2) is positioned inside the second limit ring (17), the center of the roll type reverse osmosis membrane tube (2) is positioned inside the limiting component (1);
the limiting assembly (1) comprises a limiting pipe (101), a spring (102), a limiting column (103), an arc-shaped plate (104) and a pull rod (105), the center of the roll-type reverse osmosis membrane pipe (2) is positioned inside the limiting pipe (101), the center of one side of the limiting pipe (101) is uniformly fixedly connected with one side of a vertical plate (18) through a bolt, the center of the other side of the limiting pipe (101) is provided with a through hole, one end of the pull rod (105) penetrates through the through hole and is fixedly connected with the center of one side of the arc-shaped plate (104), the two ends of the center of the other side of the limiting pipe (101) are respectively provided with a through hole, one end of the limiting column (103) penetrates through the through hole and is fixedly connected with the two ends of the center of one side of the arc-shaped plate (104), the spring (102) is wound on the limiting column (103), and the spring (102) is positioned on one side of the inside of the limiting pipe, the center of the roll type reverse osmosis membrane tube (2) is located on the other side of the inner portion of the limiting tube (101) and the other side of the arc-shaped plate (104), the other side of the inner portion of the limiting tube (101) and the other side of the arc-shaped plate (104) are both bonded with an anti-abrasion pad, the bottom end of the movable plate (15) is attached to the top end of the top plate (16), one end of the movable plate (15) is fixedly connected with the top end of one side of the baffle plate (12) through a bolt, the two sides of the center of the bottom end of one side of the baffle plate (12) are respectively fixedly connected with one end of the limiting rod (10), and a through hole formed in the two sides of the center of the top end of the limiting rod (10) penetrating through the second supporting plate (20) is located on.
2. The roll-type reverse osmosis membrane process landfill leachate equipment according to claim 1, wherein the roll-type reverse osmosis membrane process landfill leachate equipment comprises: the utility model discloses a sewage treatment device, including formula of book reverse osmosis membrane pipe (2), bottom center both sides of formula of book reverse osmosis membrane pipe (2) are provided with blowdown connector (6) and water inlet connector (7) respectively, and bottom plate (19) seted up the through-hole with the junction of blowdown connector (6) and water inlet connector (7) respectively, the bottom of water inlet connector (7) respectively with the top fixed connection of inlet tube (5), and the junction installs the valve, the bottom of blowdown connector (6) evenly with the top fixed connection of blow off pipe (4), and the junction installs the valve.
3. The roll-type reverse osmosis membrane process landfill leachate equipment according to claim 1, wherein the roll-type reverse osmosis membrane process landfill leachate equipment comprises: the top of first backup pad (8) and second backup pad (20) respectively with the bottom both sides fixed connection of roof (16), a plurality of mutual second spacing ring (17) that correspond are evenly installed to the bottom of roof (16), and the axis of second spacing ring (17) and the axis of first spacing ring (3) are in same vertical straight line.
4. The roll-type reverse osmosis membrane process landfill leachate equipment according to claim 1, wherein the roll-type reverse osmosis membrane process landfill leachate equipment comprises: the center of the top end of the roll type reverse osmosis membrane tube (2) is provided with a water outlet connecting port (13), the water outlet connecting port (13) penetrates through holes uniformly formed in the moving plate (15) and is fixedly connected with the bottom of a water outlet connecting hose (14), and a valve is arranged at the connecting position.
5. The roll-type reverse osmosis membrane process landfill leachate equipment according to claim 1, wherein the roll-type reverse osmosis membrane process landfill leachate equipment comprises: the center of the top end of the second supporting plate (20) is provided with a threaded hole, the threaded hole is matched and connected with the stud (11), and the stud (11) is fixedly connected with the center of the baffle (12) in a sleeved mode in a bearing in an embedded mode.
CN202010996209.3A 2020-09-21 2020-09-21 Equipment for treating landfill leachate by roll type reverse osmosis membrane process Pending CN111995005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010996209.3A CN111995005A (en) 2020-09-21 2020-09-21 Equipment for treating landfill leachate by roll type reverse osmosis membrane process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010996209.3A CN111995005A (en) 2020-09-21 2020-09-21 Equipment for treating landfill leachate by roll type reverse osmosis membrane process

Publications (1)

Publication Number Publication Date
CN111995005A true CN111995005A (en) 2020-11-27

Family

ID=73474644

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010996209.3A Pending CN111995005A (en) 2020-09-21 2020-09-21 Equipment for treating landfill leachate by roll type reverse osmosis membrane process

Country Status (1)

Country Link
CN (1) CN111995005A (en)

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