CN114940543A - Landfill leachate removes hard device - Google Patents

Abstract

The invention discloses a landfill leachate hardness removal device, which belongs to the field of landfill leachate and comprises a treatment pool, wherein the top of the treatment pool is fixedly connected with two groups of support frames, a fixed frame is fixedly connected between the two groups of support frames, a first motor is fixedly connected inside the fixed frame, the output end of the first motor penetrates through the bottom of the fixed frame and is fixedly connected with a rotary table, the circumference of the rotary table is rotatably connected with a connecting pipe, the bottom of the connecting pipe is fixedly connected with a water outlet pipe, and the outer wall of the water outlet pipe is provided with a water outlet hole; the top of the fixing frame is provided with a water supply assembly, the water supply assembly is connected with the connecting pipe, the water outlet pipe is driven to rotate through the rotary disc, the water outlet hole in the water outlet pipe is enabled to spray liquid flocculant in percolate, the mixing efficiency of the liquid flocculant in the percolate is improved, then the flocculate is pushed out of the treatment tank through the material pushing assembly, and the attachment of impurities in the percolate in a subsequent membrane reactor and compressed air distillation is reduced.

Description

Landfill Leachate Hardening Device

technical field

The invention relates to the technical field of landfill leachate, in particular to a device for removing the hardening of landfill leachate.

Background technique

Landfill leachate refers to the moisture contained in the garbage itself in the landfill, the rain and snow water and other water entering the landfill, after deducting the saturated water holding capacity of the garbage and the overburden, and through the garbage layer and the overburden. high-concentration organic wastewater.

At present, membrane bioreactor or pressure steam distillation is a common treatment process for landfill leachate. However, when leachate is treated by membrane, high concentrations of organic matter, heavy metal salts and ammonia nitrogen in the leachate are easy to adhere to the membrane bioreactor. , It is often necessary to carry out manual backwashing for cleaning, which increases the trouble of use. At the same time, during the steam distillation treatment, high-concentration organic matter, heavy metal salts and ammonia nitrogen are easy to scale and adhere in the evaporator, which affects the efficiency of the heating conduction of the evaporator.

SUMMARY OF THE INVENTION

In order to overcome the above-mentioned technical problems, the purpose of the present invention is to provide a landfill leachate de-hardening device, which extends into the leachate through multiple groups of water outlet pipes, and the turntable drives the water outlet pipes to rotate, so that the water outlet holes on the water outlet pipes are sprayed in the leachate The liquid flocculant improves the mixing efficiency of the liquid flocculant in the leachate, and then pushes the flocs out of the treatment tank through the pusher component to reduce the adhesion of impurities in the leachate in the subsequent membrane reactor and pressure steam distillation.

The object of the present invention can be realized through the following technical solutions:

The landfill leachate hardening device includes a treatment tank, two sets of support frames are fixedly connected to the top of the treatment tank, a fixed frame is fixedly connected between the two sets of the support frames, and a first motor is fixedly connected inside the fixed frame. A turntable is fixedly connected to the output end of the first motor through the bottom of the fixing frame, a connecting pipe is rotatably connected to the circumference of the turntable, a gear is fixedly connected to the middle end of the connecting pipe, and an inner gear ring is fixedly connected to the bottom of the support frame. The gear is meshed and connected with the inner gear ring, the bottom of the connecting pipe is fixedly connected with a water outlet pipe, the outer wall of the water outlet pipe is provided with a plurality of groups of stirring rods, and the outer wall of the water outlet pipe is provided with water outlet holes; the top of the fixing frame is provided with a water outlet pipe. The water supply assembly is connected with the connecting pipe, and the treatment tank is provided with a pushing assembly for cleaning the flocs.

As a further solution of the present invention, there are four groups of the connecting pipes, and the four groups of the connecting pipes are arrayed on the turntable at equal intervals around the circumference.

As a further solution of the present invention: the water supply assembly includes a water storage tank, the water storage tank is fixedly connected to the top of the fixing frame, the inner bottom wall of the water storage tank is fixedly connected with a water pump, and the top of the water storage tank is fixedly connected with a first rotary joint The water outlet end of the water pump is communicated with one end of the first rotary joint, the other end of the first rotary joint is fixedly connected to a water supply pipe, the top of the connecting pipe is fixedly connected with a second rotary joint, and the water supply pipe is far away from the first rotary joint One end is connected with the second rotary joint.

As a further solution of the present invention: the pusher assembly includes a first reciprocating screw, the bottom of the treatment tank is fixedly connected with a feeding plate, the first reciprocating screw is rotatably connected to the upper side of the feeding plate, and the processing A second motor is fixedly connected to the outer wall of one side of the tank, the output end of the second motor penetrates the treatment tank and is fixedly connected with the first reciprocating screw rod, and the first reciprocating screw rod is threadedly connected with a pushing plate.

As a further solution of the present invention: a mounting frame is fixedly connected to one side of the top of the treatment tank, two sets of second reciprocating screw rods are rotatably connected to the mounting frame, and the bottoms of the two sets of second reciprocating screw rods are rotatably connected to the treatment tank. On the inner wall of the bottom of the pool, a third motor is fixedly connected to the top of the mounting frame. The output end of the third motor penetrates the mounting frame and is fixedly connected to one of the two sets of second reciprocating screw rods. A sliding block is threadedly connected to the screw rod, a lifting frame is fixedly connected between the two sets of the sliding block, and a feeding component is arranged on the inner wall of the top of the mounting frame.

As a further solution of the present invention: the feeding assembly includes a rotating rod, the rotating rod is rotatably connected to the inner wall of the mounting frame, and a fourth motor fixedly connected to the rotating rod is fixedly connected to the outer wall of one side of the mounting frame. The outer wall of the rod is fixedly connected with a plurality of groups of brushes in a circular array.

As a further solution of the present invention: the outer wall of the processing tank located on one side of the mounting frame is fixedly connected with a feeding box, two sets of discharge grooves are opened on both sides of the bottom of the feeding box, and the outer wall of the feeding box is fixedly connected with a feeding box. The fifth motor, the output end of the fifth motor is fixedly connected with a third reciprocating screw rod through the receiving box, the third reciprocating screw rod is threadedly connected with a scraper, and the bottom of the discharge slot is fixedly connected with a discharge pipe , a collection box is arranged below the discharge pipe.

As a further solution of the present invention, a baffle is fixedly connected to one side of the top of the receiving box, and the baffle is used to block the flocs thrown out by the brush.

Beneficial effects of the present invention:

1. In the present invention, the water outlet pipe at the bottom of the connecting pipe is driven to rotate by the first motor and the turntable, and the liquid flocculant is sprayed in the treatment tank through the water outlet hole on the water outlet pipe to increase the sprayed area and spray depth of the liquid flocculant, and then pass The second motor, the first reciprocating screw and the pusher plate push the precipitated flocs to the lifting plate, and then the third motor and the second reciprocating screw drive the lifting plate to move to send the flocs out of the treatment tank, reducing the The flocs are precipitated in the treatment tank, which improves the convenience of subsequent treatment and reduces the clogging and scaling of impurities in the leachate in the subsequent process.

2. In the present invention, the inner gear ring and the gear drive the water outlet pipe to rotate, and the stirring rod on the water outlet pipe stirs the liquid flocculant and the leachate to improve the mixing efficiency.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings.

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the top view structure schematic diagram of the present invention;

3 is a schematic structural diagram of a feeding assembly in the present invention;

Figure 4 is a schematic diagram of the structure of the water outlet pipe in the present invention.

In the figure: 1. Treatment tank; 101. Supporting frame; 1011. Fixing frame; 1012. Connecting plate; 102. Mounting frame; 103. Feeding plate; 2. The first motor; 201. Turntable; , water outlet pipe; 2031, water outlet hole; 2032, stirring rod; 3, water supply assembly; 30, water pump; 301, water storage tank; 302, first rotary joint; 3021, water supply pipe; 303, second rotary joint; 4, inner Gear ring; 401, gear; 5, pusher assembly; 501, first reciprocating screw; 5011, second motor; 5012, ejector plate; 502, second reciprocating screw; 5021, third motor; 5022, slide block; 503, lifting frame; 504, fourth motor; 505, feeding assembly; 5051, rotating rod; 5052, brush; 6, receiving box; 60, discharge chute; 601, fifth motor; 602, third Reciprocating screw; 603, scraper; 604, discharge pipe; 605, collection box; 606, baffle.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in Figures 1 to 4, the landfill leachate hardening device includes a treatment tank 1 for storing leachate. The top of the treatment tank 1 is fixedly connected with two sets of support frames 101, and the two sets of support frames 101 are fixedly connected with The fixing frame 1011, the first motor 2 is fixedly connected inside the fixing frame 1011, the output end of the first motor 2 is fixedly connected with the turntable 201 through the bottom of the fixing frame 1011, the turntable 201 is attached to the bottom of the fixing frame 1011 and rotates, and the turntable 201 rotates around the circumference Four groups of connecting pipes 202 are connected, and the four groups of connecting pipes 202 are arrayed on the turntable 201 in an equidistant circle. The bottoms of the four groups of connecting pipes 202 are fixedly connected with a water outlet pipe 203, and the outer wall of the water outlet pipe 203 is provided with a water outlet hole 2031; the fixing frame 1011 The top is provided with a water supply assembly 3, the water supply assembly 3 includes a water storage tank 301, the water storage tank 301 is fixedly connected to the top of the fixing frame 1011, the inner bottom wall of the water storage tank 301 is fixedly connected with a water pump 30, and the top of the water storage tank 301 is fixedly connected with a first rotary joint 302 , the water outlet end of the water pump 30 is connected with one end of the first rotary joint 302, the other end of the first rotary joint 302 is fixedly connected with multiple groups of water supply pipes 3021, the top of the connecting pipe 202 is fixedly connected with a second rotary joint 303, and the multiple groups of water supply pipes 3021 are far away from One end of the first rotary joint 302 is connected with the corresponding second rotary joint 303 , and a pushing assembly 5 for cleaning flocs is provided inside the treatment tank 1 .

As shown in Figures 1 and 2, the bottom of the support frame 101 is fixedly connected with an internal gear ring 4, the middle end of the connecting pipe 202 is fixedly connected with a gear 401, the gear 401 is meshed with the internal gear ring 4, and the outer wall of the water outlet pipe 203 is provided with multiple groups of For the stirring rod 2032, when the turntable 201 drives the connecting pipe 202 to rotate, the gear 401 on the connecting pipe 202 meshes with the inner gear ring 4, which drives the connecting pipe 202 to rotate, and the connecting pipe 202 drives the stirring rod 2032 to rotate for stirring, thereby improving the mixing efficiency.

As shown in FIG. 1 , FIG. 2 and FIG. 3 , the pusher assembly 5 includes a first reciprocating screw rod 501 , a material receiving plate 103 is fixedly connected to the bottom of the processing tank 1 , and the first reciprocating screw rod 501 is rotatably connected to the material receiving plate 103 On the side, a second motor 5011 is fixedly connected to the outer wall of one side of the processing tank 1. The output end of the second motor 5011 penetrates the processing tank 1 and is fixedly connected to the first reciprocating screw rod 501. The first reciprocating screw rod 501 is threadedly connected with a pushing plate. 5012, the pushing plate 5012 pushes out the flocs falling on the receiving plate 103, the top side of the treatment tank 1 is fixedly connected with the mounting frame 102, and the two sides of the mounting frame 102 are rotatably connected with two sets of second reciprocating screw rods 502, The bottom of the two sets of second reciprocating screw rods 502 is rotatably connected to the inner wall of the bottom of the processing tank 1, and the top of the mounting frame 102 is fixedly connected with a third motor 5021. The output end of the third motor 5021 penetrates the mounting frame 102 and reciprocates with the two sets of second reciprocating screws. One set of the screw rods 502 is fixedly connected, the two sets of second reciprocating screw rods 502 are both threadedly connected with sliders 5022, and a lifting frame 503 is fixedly connected between the two sets of sliders 5022, and the lifting frame 503 pushes out the flocs. For receiving, the top inner wall of the mounting frame 102 is provided with a feeding assembly 505, the feeding assembly 505 includes a rotating rod 5051, the rotating rod 5051 is rotatably connected to the inner wall of the mounting frame 102, and the outer wall of one side of the mounting frame 102 is fixedly connected with the rotating rod 5051. The fourth motor 504, the outer wall of the rotating rod 5051 is fixedly connected with a plurality of groups of brushes 5052 in a circular array, the third motor 5021 drives the second reciprocating screw 502 to rotate, and the slider 5022 on the second reciprocating screw 502 drives the lifting frame 503 up and down Move, the flocs deposited in the treatment tank 1 are taken out of the treatment tank 1, and then the fourth motor 504 drives the brush 5052 to rotate through the rotating rod 5051, and the flocs on the lifting frame 503 removed from the treatment tank 1 are brushed off, Improve the ease of cleaning.

As shown in FIGS. 1 , 2 and 3 , the outer wall of the processing tank 1 located on the side of the mounting frame 102 is fixedly connected with a receiving box 6 , and two sets of discharge grooves 60 are provided on both sides of the bottom of the receiving box 6 . 6. A fifth motor 601 is fixedly connected to the outer wall, and the output end of the fifth motor 601 penetrates through the material receiving box. 6. A third reciprocating screw rod 602 is fixedly connected. A discharge pipe 604 is fixedly connected, a collection box 605 is arranged below the discharge pipe 604, a baffle 606 is fixedly connected to the top side of the material receiving box 6, and the fifth motor 601 drives the scraper 603 to reciprocate through the third reciprocating screw 602 Moving, the flocs falling in the receiving box 6 are pushed into the discharge chute 60, and fall into the collection box 605 through the discharge pipe 604 for collection.

As shown in FIG. 2 , a plurality of sets of equidistant arrays of connecting plates 1012 are fixedly connected between the two sets of support frames 101 , and the plurality of sets of connecting plates 1012 are arranged on one side of the fixed frame 1011 to facilitate the user to move to the water storage tank 301 . The water storage tank 301 adds liquid flocculant.

The working principle of the present invention: when the user uses it, the liquid flocculant is added into the water storage tank 301, the water pump 30 is started, and the water pump 30 extracts the liquid flocculant from the water storage tank 301, and sends it to the four groups of water supplies through the first rotary joint 302. In the pipe 3021, the four groups of water supply pipes 3021 send the liquid flocculant into the four groups of water outlet pipes 203 through the second rotary joint 303 and the connecting pipe 202 respectively. The water outlet hole 2031 on the 203 sprays out and mixes the leachate inside the leachate, and the first motor 2 is activated at the same time, and the turntable 201 at the output end of the first motor 2 drives the four groups of water outlet pipes 203 to rotate and spray. , the gear 401 on the water outlet pipe 203 meshes with the inner gear ring 4, which drives the water outlet pipe 203 to rotate, and the water outlet pipe 203 drives the stirring rod 2032 to rotate to stir the liquid flocculant. The small aggregates in the leachate are formed into large-volume flocs under the bridge of the agent, the first motor 2 is stopped, the flocs are deposited on the feeding plate 103, the second motor 5011 is started, and the second motor 5011 drives the first reciprocating When the screw 501 rotates, the pushing plate 5012 on the first reciprocating screw 501 moves, pushing the flocs on the receiving plate 103 to the lifting frame 503, and then the second motor 5011 drives the pushing plate 5012 to reset and stop, and then starts again The third motor 5021, the third motor 5021 drives the lifting frame 503 on the slider 5022 to move up and down in the processing tank 1 through the second reciprocating screw 502. When the lifting frame 503 moves upward from the bottom of the processing tank 1, the sediment falls on the lifting and lowering The flocs on the rack 503 are brought out of the treatment tank 1, and the fourth motor 504 is activated at the same time. The rotating rod 5051 on the output end of the fourth motor 504 drives the brush 5052 to rotate, and the flocs on the lifting rack 503 are brushed and removed. The flocs are thrown onto the baffle 606, and then slide down into the receiving box 6, and then start the fifth motor 601. The third reciprocating screw 602 on the output end of the fifth motor 601 drives the scraper 603 to stick to the receiving box 6. The bottom of the inner wall moves back and forth, and the flocs falling in the receiving box 6 are pushed to the discharge grooves 60 on both sides of the receiving box 6, and are discharged into the collection box 605 through the discharge groove 60 and the discharge pipe 604 for collection. .

An embodiment of the present invention has been described in detail above, but the content is only a preferred embodiment of the present invention, and cannot be considered to limit the scope of the present invention. All equivalent changes and improvements made according to the scope of the application of the present invention should still belong to the scope of the patent of the present invention.

Claims (8)

1. Landfill leachate removal device, comprising a treatment tank (1), characterized in that, the top of the treatment tank (1) is fixedly connected with two sets of support frames (101), and between the two groups of the support frames (101) A fixing frame (1011) is fixedly connected, a first motor (2) is fixedly connected inside the fixing frame (1011), and a turntable (201) is fixedly connected to the output end of the first motor (2) through the bottom of the fixing frame (1011). ), a connecting pipe (202) is rotatably connected to the circumference of the turntable (201), a gear (401) is fixedly connected to the middle end of the connecting pipe (202), and an inner gear ring is fixedly connected to the bottom of the support frame (101). (4), the gear (401) is meshed with the inner gear ring (4), the bottom of the connecting pipe (202) is fixedly connected with a water outlet pipe (203), and the outer wall of the water outlet pipe (203) is provided with multiple groups of stirring the rod (2032), the outer wall of the water outlet pipe (203) is provided with a water outlet hole (2031); A water supply assembly (3) is provided on the top of the fixing frame (1011), and the water supply assembly (3) is communicated with the connecting pipe (202); A pushing component (5) for cleaning flocs is arranged inside the treatment tank (1). 2 . The landfill leachate dehardening device according to claim 1 , wherein the connecting pipes ( 202 ) are provided with four groups, and the four groups of the connecting pipes ( 202 ) are arranged in a circular equidistant array on the turntable ( 201 ). 3 . superior. 3 . The landfill leachate hardening device according to claim 1 , wherein the water supply assembly ( 3 ) comprises a water storage tank ( 301 ), and the water storage tank ( 301 ) is fixedly connected to the top of the fixing frame ( 101 1 ). 4 . a water pump (30) is fixedly connected to the inner bottom wall of the water storage tank (301); One end of the joint (302) is connected, the other end of the first rotary joint (302) is fixedly connected to a water supply pipe (3021), and the top of the connecting pipe (202) is fixedly connected with a second rotary joint (303), the water supply pipe One end of (3021) away from the first rotary joint (302) is connected with the second rotary joint (303). 4 . The landfill leachate hardening device according to claim 1 , wherein the pushing component ( 5 ) comprises a first reciprocating screw ( 501 ), and the bottom of the treatment tank ( 1 ) is fixedly connected with a connecting rod. 5 . A material plate (103), the first reciprocating screw (501) is rotatably connected to the upper side of the material receiving plate (103), and a second motor (5011) is fixedly connected to the outer wall of one side of the processing tank (1). The output end of the second motor (5011) penetrates the treatment tank (1) and is fixedly connected to the first reciprocating screw (501), and a pushing plate (5012) is threadedly connected to the first reciprocating screw (501). 5. The landfill leachate hardening device according to claim 4, characterized in that a mounting frame (102) is fixedly connected to one side of the top of the treatment tank (1), and a mounting frame (102) is rotatably connected with Two sets of second reciprocating screw rods (502), the bottoms of the two sets of second reciprocating screw rods (502) are rotatably connected to the bottom inner wall of the processing tank (1), and the top of the mounting frame (102) is fixedly connected with a third motor (5021), the output end of the third motor (5021) penetrates the mounting frame (102) and is fixedly connected to one of the two sets of second reciprocating screws (502), and the two sets of the second reciprocating screws (502) A sliding block (5022) is threadedly connected to each of the two sets of the sliding blocks (5022), a lifting frame (503) is fixedly connected between the two groups of the sliding blocks (5022), and a feeding assembly (505) is provided on the top inner wall of the mounting frame (102). 6 . The landfill leachate hardening device according to claim 5 , wherein the feeding assembly ( 505 ) comprises a rotating rod ( 5051 ), and the rotating rod ( 5051 ) is rotatably connected to the inner wall of the mounting frame ( 102 ). 7 . Above, the outer wall of one side of the mounting frame (102) is fixedly connected with a fourth motor (504) that is fixedly connected with the rotating rod (5051), and the outer wall of the rotating rod (5051) is fixedly connected with multiple groups of circular arrays of brushes ( 5052). 7 . The landfill leachate dehardening device according to claim 6 , wherein the outer wall of the treatment tank ( 1 ) located on one side of the mounting frame ( 102 ) is fixedly connected with a feeding box ( 6 ). Two sets of discharge troughs (60) are provided on both sides of the bottom of the material box (6), a fifth motor (601) is fixedly connected to the outer wall of the material receiving box (6), and the output end of the fifth motor (601) is connected through The material box (6) is fixedly connected with a third reciprocating screw rod (602), the third reciprocating screw rod (602) is threadedly connected with a scraper (603), and the bottom of the discharge chute (60) is fixedly connected with a row A material pipe (604) is provided with a collection box (605) below the discharge pipe (604). 8. The landfill leachate hardening device according to claim 7, wherein a baffle plate (606) is fixedly connected to one side of the top of the receiving box (6), and the baffle plate (606) is used for brushing (5052) The flocs thrown out are blocked.

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