CN219058653U

CN219058653U - Heavy metal ion precipitation device for landfill leachate

Info

Publication number: CN219058653U
Application number: CN202222016002.2U
Authority: CN
Inventors: 张旺; 王贺; 刘云鹏; 杨子怡; 潘贵芳
Original assignee: Taida Co ltd Tianjin; Tianjin Bohai Environmental Protection Engineering Co ltd; Tianjin Teda Environmental Protection Co ltd
Current assignee: Taida Co ltd Tianjin; Tianjin Bohai Environmental Protection Engineering Co ltd; Tianjin Teda Environmental Protection Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2023-05-23
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses a heavy metal ion precipitation device for landfill leachate, which comprises a box body, wherein the middle end of an inner cavity of the box body is fixedly connected with a fixed bulkhead, the upper end of the fixed bulkhead is movably connected with a rotating shaft through a bearing, the left end and the right end of the outer surface of the rotating shaft are fixedly connected with stirring rods, the middle end of the outer surface of the rotating shaft is fixedly connected with a third gear, and the lower end of the fixed bulkhead is movably connected with a rotating rod through a bearing. According to the utility model, through the functions of the double-headed motor, the first gear, the third gear, the second gear, the rotating shaft, the rotating rod, the stirring rod, the fixed block, the mixing hole, the mixing plate, the conical filter screen, the material guide baffle and the collecting box, the problems that the mixing of liquid and medicines is poor, the capability of pretreatment is far less achieved, and meanwhile, the filtered solid impurities are difficult to clean and collect and the filter screen is blocked are solved.

Description

Heavy metal ion precipitation device for landfill leachate

Technical Field

The utility model relates to the technical field of landfill leachate, in particular to a heavy metal ion precipitation device for landfill leachate.

Background

The landfill leachate is high-concentration organic landfill leachate which is formed by deducting saturated water holding capacity of garbage and an overburden layer and passing through the garbage layer and the overburden layer from water contained in the garbage in a landfill, rain and snow water entering the landfill and other water. The heavy metal ion treatment is the key point and the difficulty of the landfill leachate treatment because the heavy metal content in the landfill leachate is high. The coagulation adsorption method adopted in the landfill leachate treatment is usually used as pretreatment of the landfill leachate or advanced treatment of secondary biochemical effluent, and the method has the advantages of good treatment effect, simple and convenient operation, easy operation and management and the like.

However, the coagulation adsorption method has the problems that the reaction time is long, the landfill leachate cannot be treated continuously, the effect of removing heavy metal ions can be influenced due to uneven mixing of the heavy metal capturing agent and the landfill leachate, and the like; the utility model patent with the patent application number of CN202020516151.3 discloses a heavy metal ion precipitation device for landfill leachate, but the utility model with the patent application number of 202120788719.1 discloses a heavy metal ion precipitation device for landfill leachate, and the device is considered to be provided with two independent filtrate channels because of the existence of the two independent filtrate channels, and the device is provided with two independent stirring devices in a stirring link for stirring filtrate and liquid medicine in the two independent filtrate channels respectively, so that the manufacturing cost of equipment is high, and the two power driving devices are difficult to independently control and operate, so that the device is improved, however, a standing mode is adopted for a pretreatment cavity in the device, so that the mixture of liquid and medicine is poor, the capability of pretreatment is far not reached, and meanwhile, the filtered solid impurities are difficult to clean and collect, and the situation of blocking a filter screen can occur.

Disclosure of Invention

The utility model aims to provide a heavy metal ion precipitation device for landfill leachate, which has the advantages of good mixing effect, convenience in cleaning and collecting solid impurities and avoidance of filter screen blockage, and solves the problems that a pretreatment cavity adopts a standing mode, so that the mixing of liquid and medicine is poor, the pretreatment capability is far from being reached, and meanwhile, the filtered solid impurities are difficult to clean and collect and the filter screen blockage occurs.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heavy metal ion sediment device for landfill leachate, includes the box, the middle-end fixedly connected with fixed bulkhead of box inner chamber, the upper end of fixed bulkhead is through bearing swing joint there being the axis of rotation, the equal fixedly connected with puddler of both ends about the axis of rotation surface, the middle-end fixedly connected with third gear of axis of rotation surface, the lower extreme of fixed bulkhead passes through bearing swing joint there is the dwang, the equal fixedly connected with fixed block of both ends about the dwang surface, the opposite side fixedly connected with compounding board of fixed block, the internal surface of compounding board is provided with the compounding hole, the middle-end fixedly connected with second gear of dwang surface, the lower extreme fixedly connected with stud motor of fixed bulkhead inner chamber, the output fixedly connected with first gear of stud motor, the lower extreme fixedly connected with guide baffle of box inner chamber, the equal fixedly connected with conical filter screen of both ends about the guide baffle, the lower extreme of the equal fixedly connected with collection box of both sides about the box.

Preferably, the top of box intercommunication has branch material pipe, and the internal surface of branch material pipe is provided with first valve body, the middle-end intercommunication of branch material pipe has the inlet pipe.

Preferably, the left side and the right side of the fixed bulkhead and the left side and the right side of the box body inner cavity are sequentially and fixedly connected with a pretreatment cavity guide baffle and a sedimentation cavity guide baffle from top to bottom, the middle ends of the pretreatment cavity guide baffle and the sedimentation cavity guide baffle are respectively provided with a guide pipe, meanwhile, the inner surface of the guide pipe at the middle end of the pretreatment cavity guide baffle is provided with a second valve body, and the inner surface of the guide pipe at the middle end of the sedimentation cavity guide baffle is provided with a third valve body.

Preferably, the upper ends of the left side and the right side of the box body are provided with a pretreatment cavity dosing pipe and a sedimentation cavity dosing pipe, the inner surface of the pretreatment cavity dosing pipe is provided with a fourth valve body, meanwhile, the inner surface of the sedimentation cavity dosing pipe is provided with a fifth valve body, the bottom of the box body is provided with a discharge pipe, and the inner surface of the discharge pipe is provided with a sixth valve body.

Preferably, the lower extreme intercommunication of collection box one side has the blow off pipe, and the internal surface of blow off pipe is provided with the seventh valve body, the bottom fixedly connected with guide block of collection box inner chamber, the left and right sides of box lower extreme all communicates there is the guide pipe, and the internal surface of guide pipe is provided with eighth valve body, simultaneously, the other end of guide pipe and the top intercommunication of collection box.

Preferably, both ends all are provided with the observation window about the box front surface, the middle-end fixed mounting of box front surface has control panel.

Compared with the prior art, the utility model has the following beneficial effects:

after the garbage percolate is injected into the pretreatment cavity of the box body through the feeding pipe and the material distribution branch pipe, the fourth valve body in the pretreatment cavity dosing pipe is opened by the control panel, so that the medicine enters the pretreatment cavity, then, the control panel opens the double-headed motor to drive the first gear to rotate, and under the assistance of the meshed and connected third gear and second gear, the rotating shaft and the rotating rod can be simultaneously driven to rotate, and the rotating speed of the rotating shaft is slower than the rotating speed of the rotating rod, the rotating shaft drives the stirring rod to rotate, further, the pretreated garbage percolate and the added medicine can be slowly stirred and mixed, the pretreated mixed liquid in the precipitation cavity dosing pipe can enter the precipitation cavity after the second valve body is opened, meanwhile, the fifth valve body in the precipitation cavity dosing pipe is opened by the control panel, so that the medicine for promoting precipitation enters the precipitation cavity, and the rotating rod drives the fixed block, the mixing hole and the mixing plate to rotate, thus, the metal substances in the liquid can be simultaneously precipitated, the eighth valve body and the third controlled panel are opened, the mixed liquid can be fully stirred, the solid state can be prevented from being blocked, the impurities can be prevented from being accumulated by the solid state after the mixed liquid, the impurities can be conveniently filtered and filtered by the filter screen can be prevented from entering the solid state filter box after the filter screen, and the filter screen can be conveniently filtered by the filter box, and the filter box can be prevented from being far blocked by the filter case, and the problem of clogging the screen may occur.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the collection box of the present utility model;

FIG. 3 is a schematic diagram of the front view structure of the present utility model;

fig. 4 is a schematic diagram of a structure of a mixing plate according to the present utility model.

In the figure: 1. a case; 2. a guide tube; 3. a collection box; 4. a material guide baffle; 5. a discharge pipe; 6. a conical filter screen; 7. a second gear; 8. a rotating lever; 9. a double-ended motor; 10. a stirring rod; 11. a third gear; 12. a feed pipe; 13. a material distribution branch pipe; 14. a first gear; 15. a rotating shaft; 16. a pretreatment cavity dosing tube; 17. a pretreatment cavity guide baffle; 18. a sedimentation cavity dosing tube; 19. a fixed block; 20. a sedimentation chamber guide baffle; 21. a guide block; 22. a blow-down pipe; 23. an observation window; 24. a control panel; 25. a mixing hole; 26. a mixing plate; 27. and fixing the partition frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a heavy metal ion precipitation device for landfill leachate comprises a box body 1, wherein the middle end of the inner cavity of the box body 1 is fixedly connected with a fixed bulkhead 27, the upper end of the fixed bulkhead 27 is movably connected with a rotating shaft 15 through a bearing, the left end and the right end of the outer surface of the rotating shaft 15 are fixedly connected with a stirring rod 10, the middle end of the outer surface of the rotating shaft 15 is fixedly connected with a third gear 11, the lower end of the fixed bulkhead 27 is movably connected with a rotating rod 8 through a bearing, the left end and the right end of the outer surface of the rotating rod 8 are fixedly connected with a fixed block 19, the other side of the fixed block 19 is fixedly connected with a mixing plate 26, the inner surface of the mixing plate 26 is provided with a mixing hole 25, the middle end of the outer surface of the rotating rod 8 is fixedly connected with a second gear 7, the lower end of the inner cavity of the fixed bulkhead 27 is fixedly connected with a double-headed motor 9, the output end of the double-headed motor 9 is fixedly connected with a first gear 14, the lower end of the inner cavity of the box body 1 is fixedly connected with a guide baffle 4, the left end and the right end of the guide baffle 4 are fixedly connected with a conical filter screen 6, the lower ends of the left side and the right side of the box body 1 are fixedly connected with a collecting box 3, after the garbage percolate is injected into the pretreatment cavity of the box body 1 through a feed pipe 12 and a distribution branch pipe 13, a fourth valve body in a medicine adding pipe 16 of the pretreatment cavity is opened by a control panel 24, so that medicine enters the pretreatment cavity, then, the control panel 24 opens a double-headed motor 9 to drive a first gear 14 to rotate, and with the assistance of a third gear 11 and a second gear 7 which are in meshed connection, a rotating shaft 15 and a rotating rod 8 can be simultaneously driven to rotate, and the rotating speed of the rotating shaft 15 is lower than the rotating speed of the rotating rod 8, the rotation of the rotating shaft 15 drives a stirring rod 10 to rotate, the mixed liquid after the second valve body is opened and then the pretreated mixed liquid can enter the sedimentation cavity, meanwhile, a fifth valve body in the sedimentation cavity dosing pipe 18 is opened by the control panel 24, so that the precipitated medicine is promoted to enter the sedimentation cavity, the rotating rod 8 drives the fixed block 19, the mixing hole 25 and the mixing plate 26 to rotate, the mixed liquid can be fully stirred, metal substances in the liquid are guaranteed to be precipitated, then, the eighth valve body and the third valve body are opened by the control panel 24, the liquid after the precipitation and the mixing can impact the conical filter screen 6, the solid impurities are filtered, the situation that the conical filter screen 6 is blocked can be avoided, meanwhile, the solid impurities can be guided by the aid of the guide pipe 2 to enter the collecting box 3 for collection, the solid impurities are prevented from being accumulated, and the use of people is facilitated.

The top of box 1 communicates there is branch pipe 13, and the internal surface of branch pipe 13 is provided with first valve body, and the middle-end intercommunication of branch pipe 13 has inlet pipe 12.

The pretreatment cavity guide partition plate 17 and the sedimentation cavity guide partition plate 20 are sequentially and fixedly connected between the left side and the right side of the fixed partition plate 27 and the left side and the right side of the inner cavity of the box body 1 from top to bottom, the middle ends of the pretreatment cavity guide partition plate 17 and the sedimentation cavity guide partition plate 20 are respectively provided with a material guide pipe, meanwhile, the inner surface of the material guide pipe at the middle end of the pretreatment cavity guide partition plate 17 is provided with a second valve body, and the inner surface of the material guide pipe at the middle end of the sedimentation cavity guide partition plate 20 is provided with a third valve body.

The upper ends of the left side and the right side of the box body 1 are provided with a pretreatment cavity dosing pipe 16 and a sedimentation cavity dosing pipe 18, the inner surface of the pretreatment cavity dosing pipe 16 is provided with a fourth valve body, meanwhile, the inner surface of the sedimentation cavity dosing pipe 18 is provided with a fifth valve body, the bottom of the box body 1 is provided with a discharge pipe 5, and the inner surface of the discharge pipe 5 is provided with a sixth valve body.

The lower extreme intercommunication of collecting box 3 one side has blow off pipe 22, and the internal surface of blow off pipe 22 is provided with seventh valve body, and the bottom fixedly connected with guide block 21 of collecting box 3 inner chamber, and the left and right sides of box 1 lower extreme all communicates there is stand pipe 2, and the internal surface of stand pipe 2 is provided with eighth valve body, simultaneously, the other end of stand pipe 2 and the top intercommunication of collecting box 3.

The left and right ends of the front surface of the box body 1 are respectively provided with an observation window 23, and the middle end of the front surface of the box body 1 is fixedly provided with a control panel 24.

When the device is used, after the external power socket is used for electrifying, then, after the garbage percolate is injected into the pretreatment cavity of the box body 1 through the feed pipe 12 and the distribution branch pipe 13, the fourth valve body in the pretreatment cavity dosing pipe 16 is opened by the control panel 24, so that medicines enter the pretreatment cavity, then, the control panel 24 opens the double-headed motor 9 to drive the first gear 14 to rotate, and under the assistance of the meshed and connected third gear 11 and the second gear 7, the rotating shaft 15 and the rotating rod 8 can be simultaneously driven to rotate, and the rotating speed of the rotating shaft 15 is slower than the rotating speed of the rotating rod 8 due to the difference of the sizes of the gears, the rotation of the rotating shaft 15 drives the stirring rod 10 to rotate, so that the pretreated garbage percolate and the added medicines can be slowly stirred and mixed, and the pretreated mixed liquid can enter the precipitation cavity after the second valve body is opened, simultaneously, the fifth valve body in the sedimentation chamber dosing tube 18 is opened by control panel 24 for promote the medicine that deposits to get into the sedimentation chamber, and then pivoted dwang 8 drives fixed block 19 and compounding hole 25 and compounding board 26 rotation, thereby can carry out abundant stirring to the mixed liquid, ensured that the metal substance in the liquid deposits, then, eighth valve body and third valve body are opened by control panel 24, the liquid after the sediment mixes can strike conical filter screen 6, realize filtering solid impurity, and can avoid conical filter screen 6 to appear the condition of jam, simultaneously, under the assistance of guide baffle 4, can lead solid impurity, make it collect in entering collecting box 3 through stand pipe 2, avoided piling up of solid impurity, the use of people has been made things convenient for.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a heavy metal ion precipitation device for landfill leachate, includes box (1), its characterized in that: the utility model discloses a filter screen, including box (1) inner chamber, fixed bulkhead (27) of middle-end fixedly connected with of box (1) inner chamber, the upper end of fixed bulkhead (27) is through bearing swing joint there being axis of rotation (15), the equal fixedly connected with puddler (10) in both ends about axis of rotation (15) surface, the middle-end fixedly connected with third gear (11) of axis of rotation (15) surface, the lower extreme of fixed bulkhead (27) is through bearing swing joint there being dwang (8), the equal fixedly connected with fixed block (19) in both ends about dwang (8) outer surface, the opposite side fixedly connected with compounding board (26) of fixed block (19), the internal surface of compounding board (26) is provided with compounding hole (25), the middle-end fixedly connected with second gear (7) of dwang (8) surface, the lower extreme fixed mounting of fixed bulkhead (27) inner chamber has double-end motor (9), the output fixedly connected with first gear (14) of double-end motor (9), the lower extreme fixedly connected with baffle (4) of box (1) inner chamber, baffle (4) are all fixedly connected with baffle (4) on the left and right sides of baffle (4), baffle (3) are all fixedly connected with the filter screen (3).

2. The heavy metal ion precipitation device for landfill leachate according to claim 1, wherein: the top of box (1) intercommunication has branch pipe (13), and the internal surface of branch pipe (13) is provided with first valve body, the middle-end intercommunication of branch pipe (13) has inlet pipe (12).

3. The heavy metal ion precipitation device for landfill leachate according to claim 1, wherein: the pretreatment cavity guide partition board (17) and the sedimentation cavity guide partition board (20) are sequentially and fixedly connected between the left side and the right side of the fixed partition board (27) and the left side and the right side of the inner cavity of the box body (1) from top to bottom, the middle ends of the pretreatment cavity guide partition board (17) and the sedimentation cavity guide partition board (20) are respectively provided with a guide pipe, meanwhile, the inner surface of the guide pipe at the middle end of the pretreatment cavity guide partition board (17) is provided with a second valve body, and the inner surface of the guide pipe at the middle end of the sedimentation cavity guide partition board (20) is provided with a third valve body.

4. The heavy metal ion precipitation device for landfill leachate according to claim 1, wherein: the upper end of box (1) left and right sides is provided with pretreatment chamber dosing pipe (16) and sedimentation chamber dosing pipe (18), the internal surface of pretreatment chamber dosing pipe (16) is provided with the fourth valve body, simultaneously, the internal surface of sedimentation chamber dosing pipe (18) is provided with the fifth valve body, the bottom of box (1) is provided with row material pipe (5), and the internal surface of row material pipe (5) is provided with the sixth valve body.

5. The heavy metal ion precipitation device for landfill leachate according to claim 1, wherein: the lower extreme intercommunication of collection box (3) one side has blow off pipe (22), and the internal surface of blow off pipe (22) is provided with seventh valve body, the bottom fixedly connected with guide block (21) of collection box (3) inner chamber, the left and right sides of box (1) lower extreme all communicates has stand pipe (2), and the internal surface of stand pipe (2) is provided with eighth valve body, simultaneously, the other end of stand pipe (2) and the top intercommunication of collection box (3).

6. The heavy metal ion precipitation device for landfill leachate according to claim 1, wherein: both ends all are provided with observation window (23) about box (1) front surface, the middle-end fixed mounting of box (1) front surface has control panel (24).