CN215975427U

CN215975427U - Landfill leachate purification treatment device capable of simulating natural purification

Info

Publication number: CN215975427U
Application number: CN202122160628.6U
Authority: CN
Inventors: 周士振; 王惠
Original assignee: Shandong Zhengyuan Energy Saving And Environmental Protection Technology Co ltd
Current assignee: Shandong Zhengyuan Energy Saving And Environmental Protection Technology Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-03-08
Anticipated expiration: 2031-09-08

Abstract

The utility model relates to a landfill leachate purification treatment device for simulating natural purification, which comprises a biological treatment device, wherein a pretreatment device is arranged above the biological treatment device, and two symmetrical filtering devices are arranged in the pretreatment device; this landfill leachate purification unit of simulation natural purification is through the preprocessing device and the filter equipment that are equipped with: on one hand, the arranged filter materials can carry out primary filtration on the garbage penetrating fluid; on the other hand, the support can be detached by rotating the screwing block, so that the filter material is convenient to replace; this landfill leachate purification unit of simulation natural purification is through the biological treatment device who is equipped with: under the rotation of aeration dish for the bubble is thrown away to all around rapidly, thereby is convenient for the oxygen in the bubble is quick dissolve in the water, and then has improved the water oxygen content, is convenient for improve microbial activity and to the decomposition efficiency of rubbish penetrant.

Description

Landfill leachate purification treatment device capable of simulating natural purification

Technical Field

The utility model relates to the technical field of garbage leachate treatment, in particular to a garbage leachate purification treatment device simulating natural purification.

Background

The garbage leachate is high-concentration organic wastewater which is derived from water contained in garbage in a garbage landfill, rain, snow and water entering the landfill and other water, deducts the saturated water holding capacity of the garbage and a soil covering layer, and is formed by passing through the garbage layer and the soil covering layer;

at present, the treatment process of the garbage penetrating fluid is various, wherein the biological treatment method simulating natural purification is most widely applied; at the present stage, when the biologically treating process is used to treat the waste leachate, the following problems occur: on one hand, when the existing device is used for purifying the garbage penetrating fluid by using a biological treatment method, the garbage penetrating fluid needs to be preliminarily pre-filtered, namely the garbage penetrating fluid is filtered by using a plurality of filter materials (such as activated carbon and the like), but the plurality of filter materials need to be replaced after being used for a period of time, and the existing structure is inconvenient for dismounting and replacing the filter materials; on the other hand, when the garbage leachate is decomposed by aerobic organisms, aeration equipment is needed, but the existing aeration equipment has low aeration efficiency, oxygen is difficult to be rapidly dissolved in water, and the activity and decomposition speed of microorganisms are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a landfill leachate purification treatment device simulating natural purification, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a landfill leachate purification treatment device simulating natural purification comprises a biological treatment device, wherein a pretreatment device is arranged above the biological treatment device, and two symmetrical filtering devices are arranged in the pretreatment device; the biological treatment device comprises a box body, a decomposition cavity is formed in the top surface of the box body, an interlayer is formed below the decomposition cavity, a motor is fixedly connected to one side wall of the box body through a bolt, a connecting rod is rotatably connected to the interlayer in the interlayer, and an output shaft of the motor is coaxially and tightly welded with the connecting rod.

According to the preferable technical scheme, a plurality of worms are coaxially and tightly welded on the connecting rod, worm wheels are meshed on one sides of the worms, pipe bodies are coaxially and tightly welded on the worm wheels, the top ends of the pipe bodies are tightly welded with the aeration discs, two ends of each pipe body are respectively communicated with the aeration discs and the interlayer, and a plurality of air holes are formed in the top surfaces of the aeration discs; the air pump is fixedly connected to one side wall of the box body through bolts, a connecting pipe is arranged at an air outlet of the air pump, and the tail end of the connecting pipe is communicated with the interlayer.

According to a preferable technical scheme, the pretreatment device comprises a shell with an open top surface, threaded grooves are formed in the positions, located at the bottom end, of the two side walls of the shell, fixed grooves are formed in the positions, located at one sides of the threaded grooves, in the shell, sliding grooves are formed between the fixed grooves and the threaded grooves, limiting blocks are connected in the sliding grooves in a sliding mode, one ends of the limiting blocks extend into the fixed grooves, the other ends of the limiting blocks are rotatably connected with threaded rods, the threaded rods are in threaded connection with the threaded grooves, and screwing blocks are tightly welded at the tail ends of the threaded rods.

As a preferred technical scheme, the filtering device comprises a U-shaped support, a plurality of linear supporting nets which are distributed at equal intervals are tightly welded between the inner walls of the two sides of the support, and a filtering material is arranged between every two adjacent supporting nets; the support is characterized in that a fixing block is tightly welded at the center of the bottom surface of the support and matched with the fixing groove in an inserting mode, a limiting groove is formed in the fixing block, and a limiting block is matched with the limiting groove in an inserting mode.

As a preferable technical scheme of the utility model, both ends of the connecting rod are rotatably connected with the inner wall of the interlayer through bearings.

As the preferable technical scheme of the utility model, waterproof strips are arranged on one side of the bracket on the inner wall of the shell.

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

1. this landfill leachate purification unit of simulation natural purification is through the preprocessing device and the filter equipment that are equipped with: on one hand, the plurality of filter materials can carry out primary filtration on the garbage penetrating fluid, so that impurities and the like in the garbage penetrating fluid can be conveniently removed, and the garbage penetrating fluid can be conveniently subjected to subsequent treatment; on the other hand, the filter material is arranged between the two support nets, the support nets are arranged on the support, the support is fixed in the shell through structures such as a fixing block, and the support can be detached by rotating the screwing block, so that the filter material is convenient to replace;

2. this landfill leachate purification unit of simulation natural purification is through the biological treatment device who is equipped with: the air pump inputs oxygen-containing gas to the intermediate layer promptly, and gas gets into to the rubbish penetrant through body and aeration dish with the form of bubble promptly, and the motor drives connecting rod and a plurality of worm simultaneously and rotates, and the body drives the synchronous rotation of aeration dish promptly, under the rotation of aeration dish for the bubble is thrown away to all around rapidly, thereby is convenient for the oxygen in the bubble quick dissolve in the water, and then has improved the water oxygen content, is convenient for improve the microbial activity and to the decomposition efficiency of rubbish penetrant.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a sectional view showing the structure of a biological treatment apparatus in example 1 of the present invention;

FIG. 3 is a schematic view of a part of the construction of a biological treatment apparatus according to embodiment 1 of the utility model;

FIG. 4 is a sectional view showing the constitution of a pretreatment device in example 1 of the present invention;

fig. 5 is a structural sectional view of a housing in embodiment 1 of the utility model;

FIG. 6 is a schematic structural view in example 1 of the present invention;

fig. 7 is a schematic view of the overall structure of embodiment 2 of the present invention.

The various reference numbers in the figures mean:

1. a biological treatment device; 11. a box body; 111. a decomposition chamber; 112. an interlayer; 12. a motor; 13. a connecting rod; 14. snail; 15. a worm gear; 16. a pipe body; 17. an aeration disc; 171. air holes;

2. a pretreatment device; 21. a housing; 211. fixing grooves; 212. a chute; 213. a thread groove; 22. a cover plate; 23. a sewage inlet; 24. a sewage draining outlet; 25. a limiting block; 26. a threaded rod; 27. twisting the block; 28. a waterproof strip;

3. a filtration device; 31. a support; 32. a fixed block; 321. a limiting groove; 33. a support net; 34. a filter material;

4. an air pump; 41. and (4) connecting the pipes.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

The embodiment provides a technical scheme:

referring to fig. 1-3, a landfill leachate purification treatment device simulating natural purification comprises a biological treatment device 1, wherein the biological treatment device 1 comprises a box body 11, a decomposition cavity 111 is formed in the top surface of the box body 11, an interlayer 112 is formed below the decomposition cavity 111, a motor 12 is fixedly connected to one side wall of the box body 11 through a bolt, a connecting rod 13 is rotatably connected to the interlayer 112, and an output shaft of the motor 12 is coaxially and tightly welded with the connecting rod 13; a plurality of worms 14 are coaxially and tightly welded on the connecting rod 13, worm wheels 15 are meshed on one sides of the worms 14, pipe bodies 16 are coaxially and tightly welded on the worm wheels 15, aeration discs 17 are tightly welded at the top ends of the pipe bodies 16, two ends of each pipe body 16 are respectively communicated with the aeration discs 17 and the interlayer 112, and a plurality of air holes 171 are formed in the top surfaces of the aeration discs 17; an air pump 4 is fixedly connected to one side wall of the box body 11 through bolts, a connecting pipe 41 is arranged at an air outlet of the air pump 4, and the tail end of the connecting pipe 41 is communicated with the interlayer 112.

In this embodiment, both ends of the connecting rod 13 are rotatably connected to the inner wall of the interlayer 112 through bearings, and the bearings support and support the rotation of the connecting rod 13, thereby ensuring the stable rotation of the connecting rod 13.

Referring to FIGS. 4-5, a pretreatment device 2 is disposed above the biological treatment device 1. Preprocessing device 2 includes that the top surface is the casing 21 of open type structure, the both sides wall of casing 21 is located bottom department and has all seted up thread groove 213, fixed slot 211 has all been seted up to one side department that is located thread groove 213 in the casing 21, spout 212 has been seted up between fixed slot 211 and the thread groove 213, sliding connection has stopper 25 in the spout 212, the one end of stopper 25 extends to in the fixed slot 211, the other end of stopper 25 rotates and is connected with threaded rod 26, threaded rod 26 and thread groove 213 threaded connection, the terminal close welding of threaded rod 26 has wrong piece 27.

In the embodiment, the top surface of the shell 21 is fixedly connected with a cover plate 22 through bolts, the two side walls of the shell 21 are tightly welded with a sewage inlet 23 near the top end, the bottom surface of the shell 21 is tightly welded with a sewage outlet 24, and the cover plate 22 is arranged to prevent other foreign matters and the like from entering the outside in the shell 21; the provision of the waste inlet 23 and the waste outlet 24 facilitates the entry of waste permeate into the housing 21 and the exit of waste permeate from the housing 21 for the purpose of pre-treatment of the waste permeate.

Referring to fig. 6, two symmetrical filtering devices 3 are disposed in the pretreatment device 2. The filtering device 3 comprises a U-shaped support 31, a plurality of linear supporting nets 33 which are distributed at equal intervals are tightly welded between the inner walls of the two sides of the support 31, and a filtering material 34 is arranged between every two adjacent supporting nets 33; the fixed block 32 is tightly welded at the center of the bottom surface of the bracket 31, the fixed block 32 is in splicing fit with the fixed groove 211, a limit groove 321 is formed in the fixed block 32, and the limit block 25 is in splicing fit with the limit groove 321.

In this embodiment, the plurality of filter materials 34 are coarse sand, cinder and activated carbon in sequence, the coarse sand is a base material, can effectively filter impurities in water, the cinder has an expanded structure, has honeycomb pores, is insoluble in water, has good adsorption effect on odor in water, is a cheaper filter material, the activated carbon is a black filter material, has a plurality of pores distributed on the surface, and has good adsorption effect because the adsorption energy is the sum of the volumes of the pores; through the arrangement of the plurality of filter materials 34, the garbage penetrating fluid can be primarily filtered, so that the subsequent treatment capacity of the garbage penetrating fluid is improved.

It should be added that the outer walls and the bottom surfaces of the two sides of the bracket 31 in this embodiment respectively fit with the inner walls and the inner bottom surface of the two sides of the housing 21, that is, the size of the bracket 31 is matched with the size of the inner cavity of the housing 21, this design can avoid a large gap between the bracket 31 and the housing 21, and prevent the garbage penetrating fluid from directly flowing into the box 11 without being processed.

The biological treatment method is a wastewater treatment method which utilizes microorganisms in the natural environment to oxidize and decompose organic matters and certain inorganic poisons such as cyanides and sulfides in wastewater and convert the organic matters and certain inorganic poisons into stable and harmless inorganic matters, and the biological wastewater treatment method is an artificial strengthening technology established on the basis of the self-purification effect of the environment, has the significance of creating a good environment which is favorable for the growth and the propagation of the microorganisms, enhancing the metabolic function of the microorganisms, promoting the proliferation of the microorganisms, accelerating the inorganization of the organic matters and enhancing the purification process of the wastewater, and has the advantages of less investment, good effect, low operation cost and the like; the biological treatment method comprises an activated sludge method, an anaerobic biological treatment method, an aerobic biological treatment method and the like; in this embodiment, the aeration plate 17 can increase the oxygen content in the water and increase the activity of aerobic organisms in the water, thereby creating a good environment for the growth and propagation of aerobic microorganisms and accelerating the decomposition rate of organic substances in the waste leachate.

It should be noted that the motor 12 and the air pump 4 in the present embodiment are conventional technologies, and are not described herein again.

When in specific use, the garbage penetrating fluid enters the shell 21 through the sewage inlets 23 at the two sides, and after the garbage penetrating fluid enters the shell 21, the garbage penetrating fluid passes through a plurality of filter materials 34 in sequence, impurities and the like in the garbage penetrating fluid are filtered by the plurality of filter materials 34, the filtered garbage penetrating fluid enters the decomposition cavity 111 through the sewage outlet 24, meanwhile, the user connects the power supply of the air pump 4 and the motor 12, the outside air enters the interlayer 112 through the connecting pipe 41, the air enters the aeration disc 17 through the plurality of pipe bodies 16, and forms bubbles through the air holes 171 to enter the water body, meanwhile, the output shaft of the motor 12 rotates to drive the connecting rod 13 and the plurality of worms 14 to rotate, and as the worms 14 are meshed with the worm wheel 15, the worm wheel 15 synchronously drives the pipe body 16 and the aeration disc 17 to synchronously rotate, bubbles are thrown out under the rotating action while emerging through the air holes 171 and are dispersed into the water body, and oxygen in the bubbles is dissolved in the water body; when the garbage penetrating fluid enters the decomposition cavity 111, the microorganisms decompose the organic matters in the garbage penetrating fluid;

when the filter material 34 needs to be replaced, a user holds the twisting block 27 and rotates, the twisting block 27 drives the threaded rod 26 to rotate, the limiting block 25 slides along the sliding groove 212 and is separated from the limiting groove 321, then the user lifts the support 31 upwards, the fixing block 32 is separated from the fixing groove 211, and finally the user pours out the filter material 34 between the two supporting nets 33 and replaces with a new filter material.

Example 2

Referring to fig. 7, the present embodiment provides the following technical solutions on the basis of embodiment 1: the inner wall of the housing 21 is provided with a waterproof strip 28 at one side of the bracket 31.

In this embodiment, the waterproof strip 28 is made of rubber, and the waterproof strip 28 is disposed to prevent the garbage leachate from flowing into the box 11 through the gap between the bracket 31 and the inner wall of the housing 21, and to prevent a part of the garbage leachate from being pretreated.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a landfill leachate purification unit of simulation natural purification, includes biological treatment device (1), its characterized in that: a pretreatment device (2) is arranged above the biological treatment device (1), and two symmetrical filtering devices (3) are arranged in the pretreatment device (2); biological treatment device (1) includes box (11), decomposition chamber (111) have been seted up to the top surface of box (11), intermediate layer (112) have been seted up to the below in decomposition chamber (111), through bolt fixedly connected with motor (12) on the lateral wall of box (11), intermediate layer (112) internal rotation is connected with connecting rod (13), the output shaft of motor (12) and coaxial inseparable welding of connecting rod (13).

2. The landfill leachate purification treatment device simulating natural purification according to claim 1, wherein: a plurality of worms (14) are coaxially and tightly welded on the connecting rod (13), worm wheels (15) are meshed on one sides of the worms (14), pipe bodies (16) are coaxially and tightly welded on the worm wheels (15), an aeration disc (17) is tightly welded at the top end of each pipe body (16), two ends of each pipe body (16) are respectively communicated with the aeration disc (17) and the interlayer (112), and a plurality of air holes (171) are formed in the top surface of each aeration disc (17); the air pump (4) is fixedly connected to one side wall of the box body (11) through bolts, a connecting pipe (41) is arranged at an air outlet of the air pump (4), and the tail end of the connecting pipe (41) is communicated with the interlayer (112).

3. The landfill leachate purification treatment device simulating natural purification according to claim 1, wherein: preprocessing device (2) are casing (21) of open type structure including the top surface, thread groove (213) have all been seted up in bottom department to the both sides wall of casing (21), fixed slot (211) have all been seted up in one side department that lies in thread groove (213) in casing (21), spout (212) have been seted up between fixed slot (211) and thread groove (213), sliding connection has stopper (25) in spout (212), the one end of stopper (25) extends to in fixed slot (211), the other end of stopper (25) is rotated and is connected with threaded rod (26), threaded rod (26) and thread groove (213) threaded connection, the terminal close weld of threaded rod (26) has wrong piece (27).

4. The landfill leachate purification treatment plant simulating natural purification according to claim 3, wherein: the filtering device (3) comprises a U-shaped support (31), a plurality of linear supporting nets (33) which are distributed at equal intervals are tightly welded between the inner walls of the two sides of the support (31), and a filtering material (34) is arranged between every two adjacent supporting nets (33); the welding of the bottom surface center department of support (31) has closely fixed block (32), fixed block (32) and fixed slot (211) are pegged graft and are cooperated, spacing groove (321) have been seted up on fixed block (32), stopper (25) are pegged graft with spacing groove (321) and are cooperated.

5. The landfill leachate purification treatment device simulating natural purification according to claim 1, wherein: and two ends of the connecting rod (13) are rotatably connected with the inner wall of the interlayer (112) through bearings.

6. The landfill leachate purification treatment plant simulating natural purification according to claim 3, wherein: the top surface of casing (21) passes through bolt fixedly connected with apron (22), be close to top department's close welding on the both sides wall of casing (21) and have into dirty mouthful (23), the bottom surface close welding of casing (21) has drain (24).

7. The landfill leachate purification treatment plant simulating natural purification according to claim 3, wherein: and waterproof strips (28) are arranged on one side of the inner wall of the shell (21) on the support (31).