CN217323645U - Dangerous waste landfill leachate treatment device - Google Patents

Abstract

The invention discloses a leachate treatment device for a hazardous waste landfill, which belongs to the technical field of leachate treatment and comprises a backwash self-drainage leachate filter tank, a multi-cavity flocculation tank, an intelligent control host and a telescopic sewage discharge mechanism, wherein the backwash self-drainage leachate filter tank and the multi-cavity flocculation tank are arranged on the ground, the intelligent control host is arranged on the side wall of the backwash self-drainage leachate filter tank, the backwash self-drainage leachate filter tank is communicated with the multi-cavity flocculation tank through the telescopic sewage discharge mechanism, the inner cavity of the backwash self-drainage leachate filter tank is divided into two cavities, namely a waste concentration cavity and a filtration cavity, by welding a partition plate, the treatment mode of leachate is automatically controlled according to the component change of the leachate, the backwash self-cleaning function is realized during filtration, and flocs generated in the flocculation process can be fully collected, avoid the pipeline to block up, easy operation, intelligent degree is high.

Description

Dangerous waste landfill leachate treatment device

Technical Field

The invention relates to a leachate treatment device, in particular to a leachate treatment device for a hazardous waste landfill, and belongs to the technical field of leachate treatment.

Background

The hazardous solid waste is also called harmful waste, toxic waste residue and the like, and generally refers to solid waste with one or more hazardous characteristics of toxicity, corrosiveness, inflammability, reactivity, infectivity and the like. The hazardous waste has wide sources and various types, and the safe landfill site is a disposal facility for placing or storing the hazardous waste in soil, aims to bury or change the characteristics of the hazardous waste, and is mainly used for landfill disposal of the hazardous waste which cannot recycle useful components and cannot recycle energy. Safe landfill is one of the essential important means for the centralized disposal of hazardous wastes. Leachate is easily generated in the landfill process, and the leachate of the hazardous waste landfill needs to be intensively treated.

The invention patent with the application number of CN202110620354.6 provides a hazardous waste landfill leachate treatment device and a treatment process thereof, which have a certain hazardous waste landfill leachate purification effect, but simply stack various processes, have high cost and are not practical enough, in the patent document CN201810929281.7, a method for treating landfill leachate based on electro-fenton coupling electro-flocculation is proposed, which effectively combines the electro-fenton technology and the electro-flocculation technology, the electro-fenton method has a better effect on removing organic matters, the electro-flocculation has a higher efficiency on removing heavy metals, removing the refractory organics in the landfill leachate and simultaneously removing the heavy metal ions in the landfill leachate, although the device has a good heavy metal purification effect, the generated solid particles and the degree of intelligence are low, and therefore, an optimized and improved dangerous waste landfill leachate treatment device is provided.

Disclosure of Invention

The invention aims to solve the problems and provide a leachate treatment device for a hazardous waste landfill, solid particles accumulate at the top of an inclined filter screen and slowly move downwards when a backwashing self-draining leachate filter box filters, the solid particles are better discharged into a waste concentration cavity when being backwashed, no additional waste pushing driving equipment is needed, the device is more energy-saving, the backwashed liquid is from the bottom of a filter core and is used for carrying out secondary filtration on the insufficiently filtered liquid, the purification efficiency is improved, a component analyzer carries out component detection on the leachate positioned at the bottom of the filter cavity, the leachate is controlled to flow back to be refiltered or discharged into a multi-cavity flocculation tank for flocculation according to different component distributions, and meanwhile, an intelligent control host controls the discharge amount of a flocculating agent of the multi-cavity flocculation tank after the component distribution analysis, so as to realize accurate leachate reaction treatment effect, guarantee efficient treatment effeciency when avoiding the raw materials extravagant, the flocculation thing that produces in the six chamber cell body treatment processes can be collected the mechanism through one-way filtration formula flocculation thing and obtain abundant filtration treatment, makes things convenient for the clearance in later stage.

The invention realizes the aim through the following technical scheme, and the leachate treatment device for the hazardous waste landfill comprises a backwash self-drainage leachate filter box, a multi-cavity flocculation tank, an intelligent control host and a telescopic sewage discharge mechanism, wherein the backwash self-drainage leachate filter box and the multi-cavity flocculation tank are both arranged on the ground, the intelligent control host is arranged on the side wall of the backwash self-drainage leachate filter box, and the backwash self-drainage leachate filter box is communicated with the multi-cavity flocculation tank through the telescopic sewage discharge mechanism.

Preferably, the inner cavity of the backwash self-sewage-discharge type leachate filtering box is divided into two cavities by welding a partition plate, namely a waste concentration cavity and a filtering cavity, an inclined filter screen is welded between the partition plate and the inner wall of the backwash self-sewage-discharge type leachate filtering box, and the inclined filter screen is positioned at the top of the filtering cavity.

Through adopting above-mentioned scheme, form waste material from blowdown formula leachate filter box at the backwash and concentrate chamber and filter chamber, the slant filter screen is located the filter chamber top and plays the filter effect, and the slant filter screen concentrates chamber lopsidedness to the waste material for solid particle is slow downstream when the top accumulation of slant filter screen, and the intracavity is concentrated to the waste material to better row when being backflushed, need not extra waste material and promotes drive arrangement, and is more energy-conserving.

Preferably, the bottom of the filter cavity of the backwash self-sewage-discharge type percolate filter box is fixedly provided with a component analyzer, and a filter element is arranged in the filter cavity.

Through adopting above-mentioned scheme, make the composition analysis appearance carry out the composition to the filtration liquid that is located the filter chamber bottom and detect, according to the difference of composition distribution, control filtration liquid backward flow refilter or discharge to flocculate in the cavity flocculation basin at most, the while intelligent control host computer is to the flocculating agent emission of composition distribution analysis back control multi-chamber flocculation basin, realize accurate filtration liquid reaction treatment effect, guarantee efficient treatment effeciency when avoiding the raw materials extravagant, the filter core then plays basic filter effect, specifically can adopt the filtration dirt of different materials according to actual conditions.

Preferably, the bottom of the filter element is fixedly provided with a reflux pump, the liquid suction end of the reflux pump is provided with a liquid suction pipe, the liquid outlet end of the reflux pump is provided with a liquid outlet pipe, and the liquid outlet pipe penetrates through one end of the filter element extending to the upper side and is provided with an oblique spray pipe.

Through adopting above-mentioned scheme for the backwash pump can inhale the liquid after the bottom filters, then in defeated the slant spray tube of top, the slant spray tube is towards the slant filter screen, can wash out the solid impurity of slant filter screen on the one hand when the liquid blowout with the backward flow, makes solid impurity can remove to waste matter centralized cavity one side, realizes that solid impurity is from clearing up, and on the other hand then can make liquid warn once more and cross the filter core, realizes the secondary filter, plays more abundant purifying effect.

Preferably, the welding of the top inner wall of filter chamber has the mounting panel, wear to be equipped with into liquid fill on the mounting panel, it is located to advance the liquid fill the top of filter screen.

By adopting the scheme, the percolate enters through the liquid inlet hopper and is then discharged through the filter screen below to realize the filtration of solid particles.

Preferably, multi-chamber flocculation tank includes six chambeies cell body, drainage seat, drain pipe, communicating pipe and one-way filtration formula flocculation and collects the mechanism, drainage seat lays on ground, six chambeies cell body settings are in drainage seat's top, all be provided with in each cavity of six chambeies cell body one-way filtration formula flocculation and collect the mechanism, all wear to be equipped with in each cavity bottom of six chambeies cell body communicating pipe, communicating pipe one end with drainage seat intercommunication, the drain pipe sets up one side of drainage seat.

Through adopting above-mentioned scheme for each cavity of six chamber cell bodies can be used for handling the filtration liquid of different compositions, carries out classification according to the composition difference of filtration liquid, guarantees to realize abundant flocculation treatment under the prerequisite that the flocculating agent does not waste, and the flocculation thing that produces can obtain abundant filtration treatment through one-way filtration formula flocculation thing collection mechanism in the processing procedure, and the liquid of no flocculation thing then is discharged to next process through communicating pipe, drainage seat and the drain pipe of bottom.

Preferably, the one-way filtration type flocculate collecting mechanism comprises an electric cylinder, a collecting net frame, a conical net and a one-way circulation pipe with a built-in one-way valve, wherein the electric cylinder is fixedly arranged on the inner wall of the bottom of the six-cavity pool body, the collecting net frame is fixedly arranged on the telescopic end of the electric cylinder, the conical net is arranged at the top of the collecting net frame, and the one-way circulation pipe is arranged at the top of the conical net.

Through adopting above-mentioned scheme, electric cylinder drives and collects the screen frame and reciprocates, effectually mixes filtration liquid and flocculating agent, make both fully react, make the harmful substance in the filtration liquid obtain abundant flocculation, collect the design of toper net and one-way runner pipe on the screen frame simultaneously, make the flocculation thing that is located the collection screen frame bottom discharge upwards, avoid the flocculation thing to pile up in the bottom of collecting the screen frame, realize better flocculation thing collection effect, make things convenient for the later stage to clear up.

Preferably, the telescopic sewage discharge mechanism comprises a delivery pump, a fixed pipeline, a telescopic hose and a rotary pipeline, wherein the delivery pump is fixedly installed on the outer side wall of the backwashing self-sewage-discharge percolate filtering tank and communicated with the inner cavity of the backwashing self-sewage-discharge percolate filtering tank, the fixed pipeline is arranged at the liquid outlet end of the delivery pump, the telescopic hose is arranged at one end of the top of the fixed pipeline, and the rotary pipeline is communicated with the liquid outlet end of the delivery pump through the telescopic hose and the fixed pipeline.

Through adopting above-mentioned scheme for the delivery pump is inhaled the liquid of backwash from blowdown formula leachate filter tank, then arranges to the multicavity flocculation basin through fixed pipeline, flexible hose and rotatory pipeline, realizes basic liquid transfer function.

Preferably, the fixed flocculating agent bin that is provided with in top in multi-chamber flocculation basin, six solitary cavitys have in the flocculating agent bin and be used for saving the flocculating agent of different ratios, each cavity bottom in the flocculating agent bin all is provided with the flocculating agent delivery pipe.

Through adopting above-mentioned scheme for deposit the flocculating agent of different ratios in the cavity in each flocculating agent bin, different flocculating agents of control are discharged according to the composition difference of filtration liquid, realize guaranteeing that the flocculating agent is not extravagant still realize abundant flocculation treatment simultaneously, and intelligent degree is high, and is more energy-conserving.

Preferably, the top fixed mounting of flocculating agent bin has driving motor, be provided with rotatory mounting bracket on driving motor's the output shaft, set up in the rotatory mounting bracket and rotate the draw-in groove, the rotary pipeline passes through it establishes to rotate the draw-in groove card rotatory mounting bracket is last.

Through adopting above-mentioned scheme for driving motor can drive rotatory mounting bracket and rotate, and then drives rotatory pipeline and remove, and the composition according to filtration liquid is different among the in-service use process, and control rotatory pipeline removes to discharge to the different cavity tops in the flocculating agent bin, realizes the intelligent classification of filtration liquid.

The invention has the beneficial effects that: according to the invention, the waste concentration cavity and the filtering cavity are formed in the backwashing self-sewage-discharging type percolate filtering tank, the inclined filtering net is positioned at the top of the filtering cavity to play a role in filtering, the inclined filtering net inclines towards one side of the waste concentration cavity, so that solid particles are accumulated at the top of the inclined filtering net and slowly move downwards, the solid particles are better discharged into the waste concentration cavity when being backwashed, additional waste pushing driving equipment is not needed, the energy is more saved, and the backwashed liquid comes from the bottom of the filtering core and is used for carrying out secondary filtering on the insufficiently filtered liquid, so that the purification efficiency is improved.

The invention detects the components of the percolate positioned at the bottom of the filter cavity by the component analyzer, controls the backflow of the percolate to be filtered again or is discharged into the multi-cavity flocculation tank to be flocculated according to the difference of component distribution, and simultaneously controls the flocculant discharge amount of the multi-cavity flocculation tank after the component distribution is analyzed by the intelligent control host, thereby realizing accurate reaction treatment effect of the percolate, avoiding waste of raw materials and simultaneously ensuring high-efficiency treatment efficiency.

Each cavity of the six-cavity pool body can be used for treating leachate with different components, classification treatment is carried out according to different components of the leachate, full flocculation treatment is realized on the premise of ensuring that a flocculating agent is not wasted, flocculate generated in the treatment process can be fully filtered by a one-way filtering type flocculate collecting mechanism, and later-stage cleaning is facilitated.

Drawings

FIG. 1 is a schematic diagram of the right side view of the present invention.

FIG. 2 is a schematic diagram of the left side view of the present invention.

Fig. 3 is a schematic front view of the present invention.

Fig. 4 is a structural internal structural sectional view of the back flushing self-draining percolate filtering tank according to the present invention.

Fig. 5 is a schematic structural view of the telescopic sewage discharge mechanism of the present invention.

FIG. 6 is a schematic view of the bottom structure of the multi-chamber flocculation tank of the present invention.

FIG. 7 is a schematic structural diagram of a multi-cavity flocculation tank in a top view.

Fig. 8 is a schematic diagram of the structure of the one-way filtering floe collection mechanism of the present invention.

In the figure: 1. a backwash self-blowdown type percolate filtering box, 1-1 parts of partition plates, 1-2 parts of a waste collecting cavity, 1-3 parts of a filtering cavity, 1-4 parts of a component analyzer, 1-5 parts of filtering cores, 1-6 parts of a reflux pump, 1-7 parts of an inclined filtering net, 1-8 parts of a mounting plate, 1-9 parts of a liquid inlet hopper, 1-10 parts of a liquid suction pipe, 1-11 parts of an inclined spraying pipe,

2. a multi-cavity flocculation tank 2-1, a six-cavity tank body 2-2, a drainage seat 2-3, a drainage pipe 2-4, a communicating pipe 2-5, a one-way filtering type flocculate collecting mechanism 2-6, an electric cylinder 2-7, a collecting net frame 2-8, a conical net 2-9 and a one-way circulating pipe,

3. the intelligent control host computer is connected with the intelligent control host computer,

4. the device comprises a telescopic sewage discharge mechanism, 4-1 parts of a conveying pump, 4-2 parts of a fixed pipeline, 4-3 parts of a telescopic hose, 4-4 parts of a rotary pipeline, 4-5 parts of a flocculating agent storage box, 4-6 parts of a flocculating agent discharge pipe, 4-7 parts of a driving motor, 4-8 parts of a rotary mounting frame.

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.

Please refer to fig. 1-8.

Example 1

The utility model provides a hazardous waste landfill leachate treatment device, from blowdown formula leachate rose box 1 including the recoil, multi-chamber flocculation basin 2, intelligent control host computer 3 and concertina type sewage discharge mechanism 4, the recoil is from blowdown formula leachate rose box 1 and multi-chamber flocculation basin 2 all set up in ground position department, intelligent control host computer 3 installs on the lateral wall of the recoil is from blowdown formula leachate rose box 1, the recoil is from blowdown formula leachate rose box 1 through concertina type sewage discharge mechanism 4 and multi-chamber flocculation basin 2 intercommunication.

As a technical optimization scheme of the invention, as shown in figure 4, an inner cavity of a backwash self-sewage-discharge type leachate filtering box 1 is divided into two cavities, namely a waste collecting cavity 1-2 and a filtering cavity 1-3, by welding a partition plate 1-1, an inclined filtering net 1-7 is welded between the partition plate 1-1 and the inner wall of the backwash self-sewage-discharge type leachate filtering box 1, and the inclined filtering net 1-7 is positioned at the top of the filtering cavity 1-3.

In the specific application process of the embodiment, a waste concentration cavity 1-2 and a filter cavity 1-3 are formed in the back flushing self-pollution discharge type percolate filter box 1, the inclined filter screen 1-7 is positioned at the top of the filter cavity 1-3 to achieve a filtering effect, and the inclined filter screen 1-7 inclines towards one side of the waste concentration cavity 1-2, so that solid particles slowly move downwards while being accumulated at the top of the inclined filter screen 1-7 and are better discharged into the waste concentration cavity 1-2 when being back flushed, additional waste pushing driving equipment is not needed, and energy is saved.

As a technical optimization scheme of the invention, as shown in figure 4, a component analyzer 1-4 is fixedly arranged at the bottom of a filter cavity 1-3 of a backwash self-pollution discharge type percolate filter box 1, and a filter element 1-5 is arranged in the filter cavity 1-3.

In the specific application in-process of this embodiment for ingredient analysis appearance 1-4 carries out the composition to the filtration liquid that is located filter chamber 1-3 bottom and detects, according to the difference of composition distribution, control filtration liquid backward flow refilter or discharge and flocculate in cavity flocculation basin 2 at most, intelligent control host computer 3 controls the flocculating agent discharge of multi-chamber flocculation basin 2 behind the composition distribution analysis simultaneously, realize accurate filtration liquid reaction treatment effect, guarantee efficient treatment effeciency when avoiding the raw materials extravagant, filter core 1-5 then plays basic filter effect, specifically can adopt the filtration dust of different materials according to actual conditions.

Example 2

The utility model provides a hazardous waste landfill leachate treatment device, including the recoil from blowdown formula filtration liquid rose box 1, multi-chamber flocculation tank 2, intelligent control host computer 3 and concertina type sewage discharge mechanism 4, the recoil all sets up in ground position department from blowdown formula filtration liquid rose box 1 and multi-chamber flocculation tank 2, intelligent control host computer 3 installs on the recoil is from the lateral wall of blowdown formula filtration liquid rose box 1, the recoil is from blowdown formula filtration liquid rose box 1 through concertina type sewage discharge mechanism 4 and 2 intercommunications of multi-chamber flocculation tank.

As a technical optimization scheme of the invention, as shown in figure 4, an inner cavity of a backwash self-blowdown percolate filtering tank 1 is divided into two cavities, namely a waste collecting cavity 1-2 and a filtering cavity 1-3, by welding a partition plate 1-1, an inclined filtering net 1-7 is welded between the partition plate 1-1 and the inner wall of the backwash self-blowdown percolate filtering tank 1, and the inclined filtering net 1-7 is positioned at the top of the filtering cavity 1-3.

In this embodiment, the structure of the filter element 1-5 is modified based on the embodiment 1, as shown in fig. 4, a reflux pump 1-6 is fixedly installed at the bottom of the filter element 1-5, a liquid suction pipe 1-10 is installed at the liquid suction end of the reflux pump 1-6, a liquid outlet pipe is installed at the liquid outlet end of the reflux pump 1-6, and an inclined spray pipe 1-11 is installed at the end of the liquid outlet pipe which extends to the upper side through the filter element 1-5.

In the specific application process of the embodiment, the reflux pump 1-6 can suck the liquid filtered at the bottom and then convey the liquid into the inclined spray pipe 1-11 at the upper part, the inclined spray pipe 1-11 faces the inclined filter screen 1-7, so that the solid impurities in the inclined filter screen 1-7 can be washed out when the refluxed liquid is sprayed out, the solid impurities can move to one side of the waste collection cavity 1-2, the self-cleaning of the solid impurities is realized, and the liquid can warn the filter element 1-5 again to realize secondary filtration, so that a more sufficient purification effect is achieved.

As a technical optimization scheme of the invention, as shown in FIG. 4, mounting plates 1-8 are welded on the inner walls of the tops of filter cavities 1-3, liquid inlet hoppers 1-9 penetrate through the mounting plates 1-8, and the liquid inlet hoppers 1-9 are positioned at the tops of filter screens.

Example 3

The utility model provides a hazardous waste landfill leachate treatment device, from blowdown formula leachate rose box 1 including the recoil, multi-chamber flocculation basin 2, intelligent control host computer 3 and concertina type sewage discharge mechanism 4, the recoil is from blowdown formula leachate rose box 1 and multi-chamber flocculation basin 2 all set up in ground position department, intelligent control host computer 3 installs on the lateral wall of the recoil is from blowdown formula leachate rose box 1, the recoil is from blowdown formula leachate rose box 1 through concertina type sewage discharge mechanism 4 and multi-chamber flocculation basin 2 intercommunication.

As a technical optimization scheme of the invention, as shown in figure 4, an inner cavity of a backwash self-sewage-discharge type leachate filtering box 1 is divided into two cavities, namely a waste collecting cavity 1-2 and a filtering cavity 1-3, by welding a partition plate 1-1, an inclined filtering net 1-7 is welded between the partition plate 1-1 and the inner wall of the backwash self-sewage-discharge type leachate filtering box 1, and the inclined filtering net 1-7 is positioned at the top of the filtering cavity 1-3.

In the specific application process of this embodiment, a waste concentration cavity 1-2 and a filter cavity 1-3 are formed in the backwash self-sewage-discharge type leachate filter box 1, the inclined filter screen 1-7 is located at the top of the filter cavity 1-3 to achieve a filtering effect, and the inclined filter screen 1-7 inclines towards one side of the waste concentration cavity 1-2, so that solid particles slowly move downwards while accumulating at the top of the inclined filter screen 1-7, and are better discharged into the waste concentration cavity 1-2 when being backwashed, no additional waste pushing driving equipment is needed, and energy is saved.

As a technical optimization scheme of the invention, as shown in FIG. 4, a component analyzer 1-4 is fixedly arranged at the bottom of a filter cavity 1-3 of a backwash self-draining leachate filter tank 1, and a filter element 1-5 is arranged in the filter cavity 1-3, in the specific application process of the embodiment, the component analyzer 1-4 is used for detecting the components of leachate at the bottom of the filter cavity 1-3, controlling the leachate to flow back and re-filter or discharge the leachate into a multi-cavity flocculation tank 2 for flocculation according to the difference of component distribution, and simultaneously controlling the flocculant discharge amount of the multi-cavity flocculation tank 2 after the intelligent control host 3 analyzes the component distribution, so as to realize accurate leachate reaction treatment effect, avoid raw material waste and simultaneously ensure high efficiency treatment efficiency, and the filter element 1-5 has basic filtering effect, specifically, the filter dust of different materials can be adopted according to actual conditions.

As a technical optimization scheme of the invention, as shown in figure 4, a reflux pump 1-6 is fixedly arranged at the bottom of a filter element 1-5, a liquid suction pipe 1-10 is arranged at the liquid suction end of the reflux pump 1-6, a liquid outlet pipe is arranged at the liquid outlet end of the reflux pump 1-6, and an inclined spray pipe 1-11 is arranged at one end of the liquid outlet pipe which penetrates through the filter element 1-5 and extends to the upper part.

In the specific application process of the embodiment, the reflux pump 1-6 can suck the liquid filtered at the bottom and then convey the liquid into the inclined spray pipe 1-11 above, the inclined spray pipe 1-11 faces the inclined filter screen 1-7, so that the solid impurities in the inclined filter screen 1-7 can be washed out when the refluxed liquid is sprayed out, the solid impurities can move to one side of the waste concentration cavity 1-2, the self-cleaning of the solid impurities is realized, and on the other hand, the liquid can warn the filter element 1-5 again, the secondary filtration is realized, and a more sufficient purification effect is achieved.

As a technical optimization scheme of the invention, as shown in FIG. 4, mounting plates 1-8 are welded on the inner walls of the tops of filter cavities 1-3, liquid inlet hoppers 1-9 penetrate through the mounting plates 1-8, and the liquid inlet hoppers 1-9 are positioned at the tops of filter screens.

In this embodiment, the structure of the multi-chamber flocculation tank 2 is customized based on embodiment 1, and specifically, as shown in fig. 6, 7 and 8, the multi-chamber flocculation tank 2 includes a six-chamber tank body 2-1 and a drainage seat 2-2, 2-3 drain pipes, 2-4 communicating pipes and 2-5 one-way filtering type floc collecting mechanisms, wherein the 2-2 drain seats are laid on the ground, 2-1 six-cavity pool bodies are arranged at the top of the 2-2 drain seats, 2-5 one-way filtering type floc collecting mechanisms are arranged in each cavity of the 2-1 six-cavity pool bodies, 2-4 communicating pipes are arranged at the bottoms of the cavities of the 2-1 six-cavity pool bodies in a penetrating manner, one ends of the 2-4 communicating pipes are communicated with the 2-2 drain seats, and 2-3 drain pipes are arranged on one sides of the 2-2 drain seats.

In the specific application of this embodiment in-process for each cavity of six chamber cell bodies 2-1 can be used for handling the filtration liquid of different compositions, carry out classification according to the composition difference of filtration liquid, guarantee to realize abundant flocculation treatment under the prerequisite that the flocculating agent does not waste, the flocculation thing that produces in the processing procedure can obtain abundant filtration treatment through one-way filtration formula flocculation thing collection mechanism 2-5, the liquid that does not have the flocculation thing then discharges to next process through communicating pipe 2-4, drainage seat 2-2 and drain pipe 2-3 of bottom.

As a technical optimization scheme of the invention, as shown in figure 8, the one-way filtering type flocculate collecting mechanism 2-5 comprises an electric cylinder 2-6, a collecting net frame 2-7, a conical net 2-8 and a one-way circulation pipe 2-9 with a built-in one-way valve, wherein the electric cylinder 2-6 is fixedly arranged on the inner wall of the bottom of the six-cavity pool body 2-1, the collecting net frame 2-7 is fixedly arranged on the telescopic end of the electric cylinder 2-6, the conical net 2-8 is arranged on the top of the collecting net frame 2-7, and the one-way circulation pipe 2-9 is arranged on the top of the conical net 2-8.

In the specific application of this embodiment in-process, electric cylinder 2-6 drives and collects screen frame 2-7 and reciprocates, effectually mix filtration liquid and flocculating agent, make both fully react, make the harmful substance in filtration liquid obtain abundant flocculation, collect the design of toper net 2-8 and one-way runner pipe 2-9 on the screen frame 2-7 simultaneously, make the flocculation thing that is located collection screen frame 2-7 bottom upwards discharge, avoid the flocculation thing to pile up in the bottom of collecting screen frame 2-7, realize better flocculation thing collection effect, make things convenient for the later stage clearance.

Embodiment 4 a hazardous waste landfill leachate treatment device, including the backwash from blowdown formula leachate filter tank 1, multi-chamber flocculation tank 2, intelligent control host computer 3 and concertina type sewage discharge mechanism 4, the backwash is from blowdown formula leachate filter tank 1 and multi-chamber flocculation tank 2 all set up in ground position department, intelligent control host computer 3 installs on the backwash from the lateral wall of blowdown formula leachate filter tank 1, the backwash is from blowdown formula leachate filter tank 1 through concertina type sewage discharge mechanism 4 and multi-chamber flocculation tank 2 intercommunication.

The structure of the telescopic sewage discharge mechanism 4 is customized on the basis of the embodiment 1, as shown in fig. 5, the telescopic sewage discharge mechanism 4 includes a delivery pump 4-1, a fixed pipeline 4-2, a telescopic hose 4-3 and a rotary pipeline 4-4, the delivery pump 4-1 is fixedly installed on the outer side wall of the backwash self-blowdown type percolate filtering box 1 and is communicated with the inner cavity of the backwash self-blowdown type percolate filtering box 1, the fixed pipeline 4-2 is arranged on the liquid outlet end of the delivery pump 4-1, the telescopic hose 4-3 is arranged at one top end of the fixed pipeline 4-2, and the rotary pipeline 4-4 is communicated with the liquid outlet end of the delivery pump 4-1 through the telescopic hose 4-3 and the fixed pipeline 4-2.

In the specific application process of the embodiment, the transfer pump 4-1 sucks the liquid in the backwash self-drainage type percolate filter box 1, and then discharges the liquid into the multi-cavity flocculation tank 2 through the fixed pipeline 4-2, the telescopic hose 4-3 and the rotary pipeline 4-4, so that the basic liquid transfer function is realized.

As a technical optimization scheme of the invention, as shown in fig. 5, a flocculant storage tank 4-5 is fixedly arranged at the top of a multi-cavity flocculation tank 2, six independent cavities are arranged in the flocculant storage tank 4-5 for storing flocculants with different ratios, and a flocculant discharge pipe 4-6 is arranged at the bottom of each cavity in each flocculant storage tank 4-5.

As a technical optimization scheme of the invention, as shown in fig. 5, a driving motor 4-7 is fixedly installed at the top of a flocculant storage tank 4-5, a rotary mounting frame 4-8 is arranged on an output shaft of the driving motor 4-7, a rotary clamping groove is formed in the rotary mounting frame 4-8, and a rotary pipeline 4-4 is clamped on the rotary mounting frame 4-8 through the rotary clamping groove, so that the driving motor 4-7 can drive the rotary mounting frame 4-8 to rotate and further drive the rotary pipeline 4-4 to move in the specific application process of the embodiment, and the rotary pipeline 4-4 is controlled to move to different cavities in the flocculant storage tank 4-5 to be discharged according to different components of leachate in the actual application process, thereby realizing intelligent classification treatment of the leachate.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a hazardous waste landfill leachate treatment facility which characterized in that: including the recoil from blowdown formula filtration liquid rose box (1), multi-chamber flocculation pond (2), intelligent control host computer (3) and concertina type sewage discharge mechanism (4), the recoil is from blowdown formula filtration liquid rose box (1) and multi-chamber flocculation pond (2) all set up in ground position department, install intelligent control host computer (3) the recoil is from on the lateral wall of blowdown formula filtration liquid rose box (1), the recoil passes through from blowdown formula filtration liquid rose box (1) concertina type sewage discharge mechanism (4) with multi-chamber flocculation pond (2) intercommunication.

2. The hazardous waste landfill leachate treatment plant of claim 1, wherein: the inner cavity of the backwash self-drainage type leachate filter box (1) is divided into two cavities by welding a partition plate (1-1), namely a waste concentration cavity (1-2) and a filter cavity (1-3), an inclined filter screen (1-7) is welded between the partition plate (1-1) and the inner wall of the backwash self-drainage type leachate filter box (1), and the inclined filter screen (1-7) is located at the top of the filter cavity (1-3).

3. The hazardous waste landfill leachate treatment plant of claim 2, wherein: the bottom of the filter cavity (1-3) of the backwash self-sewage-discharge type percolate filter box (1) is fixedly provided with a component analyzer (1-4), and a filter element (1-5) is arranged in the filter cavity (1-3).

4. The hazardous waste landfill leachate treatment plant of claim 3, wherein: the filter is characterized in that a reflux pump (1-6) is fixedly mounted at the bottom of the filter element (1-5), a liquid suction pipe (1-10) is arranged at the liquid suction end of the reflux pump (1-6), a liquid outlet pipe is arranged at the liquid outlet end of the reflux pump (1-6), and an inclined spray pipe (1-11) is mounted at one end, extending to the upper side, of the liquid outlet pipe penetrating through the filter element (1-5).

5. The hazardous waste landfill leachate treatment plant of claim 4, wherein: the filter screen is characterized in that mounting plates (1-8) are welded on the inner walls of the tops of the filter cavities (1-3), liquid inlet hoppers (1-9) penetrate through the mounting plates (1-8), and the liquid inlet hoppers (1-9) are located at the tops of the filter screens.

6. The hazardous waste landfill leachate treatment plant of claim 1, wherein: the multi-cavity flocculation tank (2) comprises a six-cavity tank body (2-1), a drainage seat (2-2), a drainage pipe (2-3), a communicating pipe (2-4) and a one-way filtering type floc collecting mechanism (2-5), the drainage seat (2-2) is paved on the ground, the six-cavity pool body (2-1) is arranged at the top of the drainage seat (2-2), the one-way filtering type flocculate collecting mechanism (2-5) is arranged in each cavity of the six-cavity pool body (2-1), the bottom of each cavity of the six-cavity pool body (2-1) is provided with the communicating pipe (2-4) in a penetrating way, one end of the communicating pipe (2-4) is communicated with the drainage seat (2-2), and the drainage pipe (2-3) is arranged on one side of the drainage seat (2-2).

7. The hazardous waste landfill leachate treatment plant of claim 6, wherein: the one-way filtering type floc collecting mechanism (2-5) comprises an electric cylinder (2-6), a collecting net frame (2-7), a conical net (2-8) and a one-way flow pipe (2-9) with a built-in one-way valve, wherein the electric cylinder (2-6) is fixedly arranged on the inner wall of the bottom of the six-cavity tank body (2-1), the collecting net frame (2-7) is fixedly arranged on the telescopic end of the electric cylinder (2-6), the conical net (2-8) is arranged at the top of the collecting net frame (2-7), and the one-way flow pipe (2-9) is arranged at the top of the conical net (2-8).

8. The hazardous waste landfill leachate treatment plant of claim 1, wherein: the telescopic sewage discharge mechanism (4) comprises a delivery pump (4-1), a fixed pipeline (4-2), a telescopic hose (4-3) and a rotary pipeline (4-4), the delivery pump (4-1) is fixedly arranged on the outer side wall of the backwash self-drainage percolate filtering tank (1) and is communicated with the inner cavity of the backwash self-drainage percolate filtering tank (1), the fixed pipeline (4-2) is arranged on the liquid outlet end of the delivery pump (4-1), the telescopic hose (4-3) is arranged at one end of the top of the fixed pipeline (4-2), the rotary pipeline (4-4) is communicated with the liquid outlet end of the delivery pump (4-1) through the telescopic hose (4-3) and the fixed pipeline (4-2).

9. The hazardous waste landfill leachate treatment plant of claim 8, wherein: the fixed flocculating agent bin (4-5) that is provided with in top of multi-chamber flocculation pond (2), six solitary cavitys that have in flocculating agent bin (4-5) are used for saving the flocculating agent of different ratios, each cavity bottom in flocculating agent bin (4-5) all is provided with flocculating agent discharge pipe (4-6).

10. The hazardous waste landfill leachate treatment plant of claim 9, wherein: the top fixed mounting of flocculating agent bin (4-5) has driving motor (4-7), be provided with rotatory mounting bracket (4-8) on the output shaft of driving motor (4-7), set up in rotatory mounting bracket (4-8) and rotate the draw-in groove, rotatory pipeline (4-4) pass through it establishes to rotate the draw-in groove card rotatory mounting bracket (4-8) are last.

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