Full-quantification landfill leachate treatment system and treatment method

[0032] Next, the technical solutions in the embodiments of the present invention will be described in connection with the drawings of the embodiments of the present invention, and it is understood that the described embodiments are merely the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, those of ordinary skill in the art will belong to the scope of the present invention in the scope of the present invention without making creative labor premises.

[0033] See figure 1 The embodiment of the present invention provides a full-quantization waste leachate treatment system for realizing the whole process treatment of waste leachate, including the pretreatment device 1, the evaporation device 2, the perfiltration depth processing apparatus 3, and the film treatment device 4. The pretreatment device 1 is used to initially treat the garbage perfiltration liquid; the evaporation device 2 is used to evaporate the liquid after the preliminary treatment of the pre-treatment device 1; the depth treatment apparatus 3 is used to use the evaporation device 2 The discharged condensate is broken and decolorized; the membrane treatment device 4 is used to filter the water product of the perfiltration depth processing apparatus 3.

[0034] The garbelish leachate is stored in the garbage leachate adjusted pool 5, and the pretreatment device 1 is in communication with the garbage leachate adjustment tank 5, and the garbage permeation liquid in the garbage permeage tank 5 is extracted into the pretreatment device 1 by pump. Of course In this flow path, a one-way valve should be provided, the pretreatment device 1 realizes the preliminary treatment of the rubbish leachate, mainly for removing suspended materials in the gasket. The evaporative device 2 is a liquid-evaporation of the liquid discharged in the pre-treatment device 1, and the steam is heat-saving, thereby separating the moisture of the rubbish leachate while achieving the effect of concentrated garbage leachate, wherein the salt and organic matter Wait in the form of crystallization. The leachate depth treatment apparatus 3 is a decolorization treatment of condensate separated from the evaporation apparatus 2, and is specifically to add a decolorizing agent to the condensed water and the emulsion, the oil, coloring material, and oxidation of the condensed water can be used. The substance is separated. The membrane treatment device 4 is filtered to filter the water sector depth processing apparatus 3, generally using a multilayer filtration method, such as three layers, sequentially reverse osmosis film shell 41, 1 # nanofiltration case 42, 2 # 纳The filter case 43 such that the water discharged from the processing system can reach the standard request, of course, the concentrated water region of the 2 # nanofiltration membrane case 43 can be connected to the perfiltration depth processing apparatus 3, so that this part of the concentrated water is re-depth. deal with. Further, during the above treatment, since the suspension, salt, organic matter, grease, and coloring substances have been separated from the liquid filtration, such that the moisture in the film treatment device 4 has been separated. No or very low, in the one hand, it is possible to avoid the membrane shell oxidation of the film treatment device 4, reduce the service life, and improve the filtering efficiency of the membrane processing apparatus, avoiding the formation of clogging, and the film cleaning is high.

[0035] See figure 2 , The embodiment of the present invention provides a pretreatment device 1 for realizing the pretreatment of the waste leachate, which includes a flow flocculation region 12, a solvent region 13, a precipitation zone 15, a water-proof zone 16, a garbage perfiltration tank The landfill leachate within 5 is sequentially flowed through the aforementioned regions, thereby achieving pretreatment of waste leachate.

[0036] See figure 2 as well as image 3 In a preferred embodiment, the waste leachate within the aggregation region 11, and the garbage fillet in the garbage perfiltration tank 5 can be provided before the electrococculating region 12, and the garbage perfiltration is controlled in the aeration zone 11. The time is 0.5h, the aeration zone 11 is provided with a aerator, and a jet aerator can be used, and the water is incident through the jet aerator into the aeration zone 11. In fact, the water is also formed by the dissolved gas pump 171 to form a large amount of micro small. The bubbles enter the aeration zone 11 which can oxidize the sulfide in the liquid in the aeration zone 11 to sulfur monosolysis to prevent sulfide precipitation in subsequent electrococculating area 12, and the water here can use the water region 16 The exported liquid, that is, a pipeline connection is used between the output of water region 16 and the aeration zone 11, and is provided with a dissolved gas pump 171 on the line. Further, in the bottom of the aeration zone 11, there is a slime, and the resulting partial sludge passes through the mud, and the processed liquid enters the antfer region 12.

[0037] Refign figure 2Embodiments of the present invention provide an electrococculating region 12, and the antfer distribution region 12 is in communication with the aeration zone 11, and the partition can be separated from the partition or the partition or the position of the partition or partition. Have a hydrophone, water in the aeration zone 11 enters the electrocondurated area 12 through the aeration, or the garbage perfiltration fluid in the rubbish leachate adjusted tank 5 can directly enter the antoccolic region 12. A polar plate is provided in the electroconid region 12, wherein the material of the plate can be iron or aluminum, which is an anode, and the anode plate is released as a sacrificial anode under the action of the electric field, and releases FE in the liquid. 2+ Alone 3+ After a series of hydrolysis, polymerization, and oxidation processes, it is developed into a variety of hydroxy complexes, polynuclear hydroxy complexs, and hydroxide, which causes colloidal impurities, suspended impurities, and separated; at the same time, charged The pollutant particles are swim in the electric field, and their partial charge is in the electrode and prompts to evacuate the concentration, wherein the CA (OH) produced. 2 , MG (OH) 2 , MGCO 3 Caco 3 Preferred, the purpose of removing the hardness; and the reaction generated in the surface of the anode plate, the · OH of this free radical state has a very strong oxidation, and can oxidize some organic matter in the water, and reduce the processing load of the subsequent processing unit. For the electrococcurgate area 12, the liquid in which the liquid is 1 h, and the specifically produces OH during the electrolysis process. - With h 2 , By controlling the liquid residence time to make the liquid accumulated a lot of OH - The liquid in the electrococculating area 12 is albased, and Ca (OH) is generated. 2 , MG (OH) 2 Precautions, in turn, there is a good hardness removal effect, and the generated h 2 The fuse is floating in the form of bubbles, of course, due to limited production amount, it can be directly escaped, or dedicated to collect processing. For flocculation precipitation, the lower end of the electrococculation area 12 is set to a collimator, which is a funnel structure, and the bottom is a slime, which is used to collect the flocculating precipitate generated therein, and can be discharged to the sludge concentration pool by the mud mouth. . In a preferred embodiment, the electrococcus region 12 also increases the compression conduit, which can be drumped into compressed air to the antocculating area 12 through the compression pipe, to achieve the purpose of periodically flushing the anode plate, can effectively prevent the surface of the anode plate dirt. At the same time, the DC power supply of the electrococculation area 12 is time-changing phase, and the time is increasing, preventing the concentration of the plate, and passivation.

[0038] Refign figure 2 as well as image 3 , The embodiment of the present invention provides a solvent region 13, the solvent region 13 is the next processing unit of the antfall region 12, and is of course, it should be separated from the electrococcus region 12, and the specific partition or partition is separated. However, the communication position between the solvent zone 13 and the electrococoagulation region 12 is a separator or a part of the partition wall, that is, the liquid in the electrococcotic region 12 is overflowed from the top of the partition or the partition wall to the dissolved region 13. A bubble generating assembly 17 is provided in the solvent region 13, which can generate a large amount of fine microbubbles in the dissolved gas zone 13 through the bubble generating assembly 17, and the particulate matter in the liquid is adhered to the liquid surface on the air bubble, that is, the gas float Remove part of the contaminants in the liquid. Of course, there is a mud port in the bottom of the solvent region 13, and a precipitate deposited at the bottom of the solvent region 13 can be placed to the sludge concentrator. The bubble generating assembly 17 mainly uses the mating method of water and the dissolved gas pump 171, and the air is injected into the water through the water bubble, but the water source is also similar to the aeration zone 11, and the bubble generating assembly 17 includes water supply pipe 172 and dissolved. Air pump 171, the water pipe 172 communication water region 16 and the dissolved gas region 13, and the dissolved gas pump 171 is disposed on the water supply pipe 172, i.e., a water bubble source is used as a bubble source. Of course, the aeration zone 11 and the dissolved gas region 13 can be shared with a dissolved gas pump 171, and the water pipe 172 is connected to the aeration zone 11 and the dissolved gas region 13, respectively. Further, the bubble generating assembly 17 also includes a delivery tube 173 that extends into the aeration zone 11 and the delivery gas region 13, and the conveying tube 173 extends from the upper to bottom, which is provided with a plurality of sets of release 174, each group of release 174 The corresponding conveying pipe 173 is disposed in a vertical direction, typically can be provided with three groups, divided into upper and lower groups, and of course, the three sets of release 174 should be located below the liquid level, each release, each release, each having a plurality of bubbles The hole, each of the bubble holes of each release device is sequentially disposed along the circumferential direction of the conveying pipe 173, and the direction of the air bubble hole is obliquely downward, and the discharged bubble can be relatively uniform in the aeration zone 11 and the dissolved gas region 13. .

[0039] See figure 1 as well as figure 2 In the preferred embodiment of the solvent region 13, there is a scraper assembly 18, and the scraping assembly 18 can collect the floating and oil of the liquid surface in the fluid region 13, and the scraping assembly 18 can collect the collected float. Slag and oil are delivered to the oil reservoir, and the reservoir residence time is 6 hours, and the oil reservoir is placed in the oil level, and the oil reservoir is set. For the scraper assembly 18, a scraped machine can be used to scrape the floating and oil of the liquid surface of the liquid surface of the solvent region 13 by the blade.

[0040] Refign figure 2 The liquid in the solvent region 13 can flow into the precipitation region 15, and the liquid precipitation is accelerated by the addition of the agent in the precipitation region 15, but in the preferred embodiment, the dissolved gas region 13 and the precipitation region 15 also increases. The sedation region 14, the liquid in the solvent region 13 flows into the sedation region 14, and then enters the precipitation zone 15 by the standing region 14. The bubbles generated in the electrococculation area 12 and the solvent region 13 cannot be quickly floated, and the portion of the bubble is also overflow to the next processing unit during the floating process, thereby increasing the bubble up time to ensure liquid. The inner suspension can be carried to the liquid surface by bubbles. The sealing region 14 is separated from the separator or the partition wall, both in the upper end of the separator or the partition, and is disposed on the upper end of the partition or the separator. The topward guide plate 131, of course, the guide plate 131 should be located below the liquid level of the sedation region 14 and the liquid surface of the solvent region 13, i.e., the liquid in the solvent region 13 is overlapping the top of the guide plate 131. And the tilt setting method of the guide plate 131 can act as a guide. For the processing function of the sedation region 14, the scraping assembly 18 should also correspond to the standing area 14, i.e., the scraper assembly 18 should also need to collect the slag and oil division of the surface of the standing area 14, that is, the slag assembly 18 float. The slag collecting portion can flow across the solvent 13 and the stationary region 14 liquid surface. Of course, the proportion of slightly relatively light is carried through the bubbles to the liquid surface, and is collected by the scraper assembly 18 to the oil reservoir, and for the particulate matter having a large weight, the stacked stack is placed on the bottom of the standing area 14, which is still standing The bottom of the region 14 is also provided with a slime, and a precipitate that deposited in the bottom of the standing region 14 is row to the concentrated sludge pool.

[0041] Continue to optimize the structure of the standing region 14, and the baffle 141 is provided in the standing area 14, and the baffle 141 extends vertically, at least part of the structure extends below the liquid level of the standing area 14, that is, passed The baffle 141 separates the liquid level of the sedation region 14 into two portions, and the water port and the water port of the sedation region 14 are respectively located on opposite sides of the baffle 141, and the baffle 141 is close to the outlet of the standing region 14. On the side. The reset region 14 is mainly adjacent to one side of the solvent region 13, that is, the liquid surface is easily stacked in the liquid surface close to the solvent region 13, and the baffle 141 is added, and the liquid surface is floating The slag is concentrated on one side of the baffle 141 close to the solvent region 13, which does not flow to the other side of the baffle 141, that is, the baffle 141 can act as a slag, and of course the scraping assembly portion of the scraped assembly 18 is located The baffle 141 corresponds to one side of the inlet, which in turn can ensure that the liquid flowing into the precipitation zone 15 does not contain a large amount of scum. The static region 14 is larger than the electrocondaggate 12 region and the solvent region 13, which is large, and corresponds to the distance between the liquid is in the sedation region 14 from the water outlet to the outlet, so that the bubble can be On the side of the baffle 141, floating to the liquid surface, i.e., the floating segments in the sedation region 14 are stacked on one side of the baffle 141 (the baffle is close to the side of the water).

[0042] See figure 2 as well as image 3 The embodiment of the present invention further provides a liquid in which a precipitation region 15, a solvent region 13 or a standing region 14 flows into a precipitation zone 15. The bottom of the precipitation zone 15 is provided with a collimator and out of the mud, and the collimat is The sturdy structure, the slime is located at the bottom of the colloid, the precipitate of the precipitation zone 15 is accumulated in the colloid, and can discharge it to the sludge collapsed pool through the mud mouth, for the collimator and the slime It can be set to a plurality of sizes according to the precipitation zone 15; and the upper end of the precipitation zone 15 is provided, the upper cleaner in the precipitation region 15 flows into the water supply region 16 through the splitter 155. In a preferred embodiment, the precipitation zone 15 is chemically precipitated, i.e., in a liquid flowing from the standing region 14, such as PAM (polyacrylamide) and an alkali liquid, wherein the PAM can adsorb suspended particles in the liquid, in granules Connecting the bridge, the fine particles form a large flocculation, accelerate precipitate, and the alkali liquid can further precipitate CA in the liquid. 2+ Mg 2+ The precipitate formed in the formation is accumulated in the tuning.

[0043] See figure 1 as well as figure 2 Optimize the precipitation zone 15, and the dosing chamber 151 is provided in the precipitation region 15, and the solvent region 13 is in communication between the dosing chamber 151, or the sedation region 14 and the precipitation zone 15 through the pharmaceutical chamber 151. Connect, i.e., the liquid discharged from the solvent 13 or the reset region 14 is in addition to the dose of the pharmaceutical chamber 151, and then introduced into the precipitation region 15. A PAM stirring tank and a liquid base stirring tank were placed in the dosing chamber 151, wherein the PAM was added to the PAM stirring tank, and stirring was carried out by a PAM powder mixer to sufficiently mixing the PAM and the liquid, and an alkali mixture was added to the base mixture. Further, the mixture is mixed between the alkali solution and the liquid by the alkali mixing mixer, wherein the base mixing tank is provided with a pH meter, and the liquid barine is lifted, and the liquid barine is adjusted by monitoring the water pH. Thereby, it is also possible to increase the PAM dispensing chamber 153 and the alkali dispensing chamber 153, and the pharmaceuticals prepared by the two dispensing chambers 153 are delivered to the corresponding stirring grooves via a pipeline. The liquid passed through the dosing chamber 151 is introduced into the precipitation zone 15 by the guide cylinder 152 provided in the precipitation region 15, i.e., the guide chamber 152 communicates with the precipitation region 15, and the guide tube 152 is vertically discharged. Under the liquid plane of the deposition zone 15. In a preferred embodiment, the outlet of the guide cylinder 152 is provided with a geap 154, and the geap 154 ​​and the guide cylinder 152 are gap, and the distance between the two will not be too large, the gear plate 154 The area is larger than the diameter of the outlet of the guide cylinder 152, and the liquid discharged in the guide cylinder 152 flows from the gap between the guide cylinder 152 and the gelling plate 154 flows four weeks, and the liquid impact precipitation of the discharge of the guide tube 152 can be avoided. The sediment accumulated in the bottom of the pool, and the gear plate 154 facing the guide tube 152 is a tapered surface, i.e., its thickness is smoothed from the intermediate to four weeks, which can form a flow of flow. In another embodiment, the flocculation zone 155 is added to the flow path between the precipitation zone 14 or the solvent 14 or the solvent region 13, and the above-mentioned agent is put into the flocculation sedimentation zone 155, and stirring in it. The flocculation sedimentation zone 155 corresponds to the above-described dielectric chamber 151, and the liquid in the flocculation sedimentation zone 155 is deprecated into the precipitation region 15.

[0044] For the water supply zone 16, it is mainly used as a precipitated liquid, providing an inlet buffer effect in the subsequent process, and the liquid in the water supply region 16 continues to make a check according to the filter device 3. Water production area 16 residence time 30 min, the water supply area 16 is set to be in-line level gauge, and the water pump is pumped.

[0045] See figure 1 , figure 2 as well as Figure 4The chemical pretreatment device 1 provided by the embodiment of the present invention further includes a housing, the above-described aeration zone 11, an electroconid region 12, a solvent region 13, a sedimentation region 14, a precipitation zone 15, and a water region 16 are integrated. The housing is in the housing. With this configuration, each processing unit is set to a whole, forming an overall equipment, and each processing unit is located within the housing, thereby providing a liquid port and a liquid opening, garbage perfiltration tank 5 with a housing. The inlet is connected, and the liquid opening can be connected to the next processing unit, such as the evaporation device 3, continuously evaporating the water in the water supply region 16 by the evaporation device 3. Of course, in another embodiment, the pretreatment device 1 further includes a base 19, and each of the processing units are integrated over the base 19, and the upper end of each processing unit forms a certain seal, such as aeration zone 11. , The annotation region 12, the solvent region 13, the sedation region 14, the precipitation region 15, and the water region 16 are independent tank structures, and the adjacent processing units are in communication, or the dissolved gas region 13 and the standing area 14 is integrated into the same can body, and the internal partition is separated. In addition, it is convenient to overhaul, and the stair 191 is provided on the housing or base 19, and the stairs 191 can extend from the bottom of the housing or base 19 to the upper end of each processing unit, and integrated the electrical components of the above processing units into the electric cabinet 192. The electrical cabinet 192 is mounted on the housing or base 19.

[0046] See figure 1 The embodiment of the present invention further provides an evaporation device 2 including a first separation chamber 21 and a first heat exchanger 22, and the first separation chamber 21 is mainly used to achieve gas-liquid separation, and the first heat exchanger 22 is used. The liquid filtration discharged from the pretreatment device 1 is heat exchange. The flow path of the evaporation device 2, the cold liquid inlet of the first heat exchanger 22 is connected to the pretreatment device 1, specifically connected to the water region 16 of the preprocessing device 1, and is introduced into the water release area 16 The first heat exchanger 22 is replaced, and the inlet port of the first separation chamber 21 is connected to the hot liquid outlet of the first heat exchanger 22, and the steam outlet of the first separation chamber 21 passes through the compressor and the first heat exchanger 22. The steam inlet is connected, the condensed water outlet of the first heat exchanger 22 is connected to the perfiltration depth processing apparatus 3. In the flow path, the liquid discharged from the pretreatment device 1 enters the first heat exchanger 22 and the temperature increases, and the temperature increased after the temperature enters the first separation chamber 21 for gas-liquid separation, after separation The steam is rising through the compressor, and the steam after heating is again returned to the first heat exchanger 22 and heat exchanger from the liquid discharged from the pretreatment device 1. On the one hand, the liquid temperature increases, on the other hand itself The liquefaction is condensed to the leachate depth treatment device 3 to continue to be processed. In a preferred embodiment, the liquid discharged in the pretreatment device 1 is not directly introduced into the first heat exchanger 22, but in the first separation chamber 21, the first separation chamber 21 can be used as a cache, In the one hand, it can be preheated in the first separation chamber 21, such as 25 degrees from the pretreatment device 1, but the temperature in the first separation chamber 21 is above 25 degrees, usually 50 degrees, clear The liquid is transferred in the first separation chamber 21, and then the liquid pump is extracted into the first heat exchanger 22, the temperature can be raised to 70 degrees to 70 degrees in the first heat exchanger 22, 70 degrees liquid enter the first separation. The inner gas fluid separation in the chamber 21 is separated. The steam is used to perform the heat transfer heat through the compressor. The liquid can continue to enter the first heat exchanger 22 and the steam heat transfer, thereby achieving circulating heat transfer evaporation. .

[0047] In a preferred embodiment, the evaporation device 2 further includes a second separation chamber 23 and a second heat exchanger 24, and the concentrating liquid exit of the first separation chamber 21 and the cooling liquid inlet of the second heat exchanger 24, the second separation chamber 23 The inlet port is connected to the hot liquid exit of the second heat exchanger 24, and the steam outlet of the second separation chamber 23 is connected to the steam inlet of the second heat exchanger 24, the condenser of the second heat exchanger 24. The water exit is connected to the permeable depth processing apparatus 3. In the present embodiment, the evaporation device 2 forms a two-stage evaporation concentration, and the concentrated concentrated concentrated concentrated liquid in the first separation chamber 21 is introduced into the second heat exchanger 24, and enters the second separation chamber 23 after heating. The gas-liquid separation is performed, and the liquid returns to the second heat exchanger 24, and the steam is also toned by the compressor, and the heat transfer heat exchange, the steam heat transfer forms condensed water into the depth treatment. The device 3 continues to process.

[0048] The high-concentrated solution of the second separation chamber 23 is introduced into the perfiltration liquid curing apparatus 6, and further proceeds through the perfiltration liquid curing apparatus 6, which is further treated, provided an organic water absorbing agent, an inorganic water absorbing agent silo, a stirred bin, a solidification boon, and the like. The organic water absorbing agent is one or more of polyacrylamide, agar, and yellow soft gum, and inorganic water absorbers are one or more of silicate cement, gray soil, bentonite, lime or the like. The mixing time is 5-10 minutes, the curing time is 1-2 days, the curing product meets the technical specifications of GB50869-2013 domestic garbage - guided landfill treatment. Generally, a high concentrated mantle tank 61 is provided between the second separation chamber 23 and the leachate curing apparatus 6, and the high-concentration liquid discharged from the second separation chamber 23 is stored in the high concentrate liquid tank 61, and then passes through the liquid pump. The etch is taken to the leachate curing device 6.

[0049] Refign figure 1 The embodiment of the present invention provides a perfiltration liquid depth processing apparatus 3 including a reaction chamber 31, and a decolorization reaction zone 311 and a decolorization reaction zone 312 are provided in the reaction chamber 31. Specifically, the leachate depth treatment apparatus 3 further includes a dispensing chamber, a decolutant and a decolorizing agent for a decolorization reaction, and a decolorizing agent are located in a pharmaceutical chamber, and of course, both should be separated, and the emulsifier in the debris reactive region 311 For the polymerization iron salt breaks the emulsion, the polymeric aluminum salt breaks the emulsion in the emulsion in the emulsion is a polyacrylamide, polydiamide, ammonium chloride, and six methyltrine. One or more of domehydehyde, epoxy chloropropane dimethylamine, and diethylenetridation provide corresponding pharmaceuticals by metering the pump to the corresponding reaction zone. The decolorized reaction zone 311 and the decolorization reaction zone 312 are arranged in parallel, the condensate water discharged from the evaporation device 2 first into the decolorized water tank 32, and the 2 # nanofiltration membrane case 43 of the film treatment device 4 is concentrated. Water can be introduced into the decolorized water tank 32, and then extract it to the decolorization reaction zone 312 of the reaction chamber 31 by the liquid pump, and then the decolorization reaction zone 312 enters the digestive reaction zone 311, that is, the decolorization reaction is performed first. The breast-reacted reaction is provided with an ORP instrument, an ORP instrument, and a metering pump corresponding to the emulsion, and is used to control the amount of deposits. Further, the reaction chamber 31 also needs to perform a napkine reaction, whereby the base region can be specifically provided in the reaction chamber 31, and the nipperchromatic reaction may be disposed in the breast-breast reaction zone 311, by setting a pH meter, by a pH meter Control the amount of liquid base.

[0050] The precipitation region 313 is also provided in the reaction chamber 31, the precipitation zone is located below the broken-breast reaction zone 311 and the decolorized reaction zone 312, and the liquid after the liquid enters the precipitation region 313, and specifically, the liquid in the debris reactive region 311 can be specifically. Also introduced into the precipitation zone 313 by a vertical set of guide cylinder, the bottom of the precipitation region 313 is disposed, and the precipitated sludge passes through the slurry pump into the above-described permeable liquid curing device 6, the supernatant passed the watercar Enter the water sector of the leachate depth treatment device 3. The water supply zone can also be disposed in the reaction chamber 31, separated by the separator into the plurality of intervals described above, i.e., each of the intervals are located within the reaction chamber 31, and the dispensing chamber and the decolorized water tank are also integrated. The reaction chamber 31, thereby causing the entire perfiltration depth processing apparatus 3 as an integrated device.

[0051] Refign figure 1 Optimize the above embodiment, the belt filter 7, the multi-dielectric filter 8, and the activated carbon filter 9 are sequentially provided on the flow path between the permeable liquid depth processing apparatus 3 and the film processing apparatus 4. Among them, the belt filter 7 is provided with one preparation, the filter accuracy is 5 um, and the water released in water is removed, and the water discharged from the depth treatment apparatus 3 is first entered into the belt filter 7; the belt filter 7 is produced by water Multi-dielectric filter 8, multi-dielectric filter 8 set anthracite filter, quartz sand filter, smokeless coal filter particle size 0.8-1.8mm, quartz sand filter size 0.5-1mm, pad layer quartz sand particle diameter 8-12mm 5-10 m / h of the filter speed, arrange gas washing and rebelling, flushing time 5-10 minutes, rinse 2-4 times a day; multi-dielectric filter 8 water enter the activated carbon filter 9, activated carbon filter 9 set Active carbon filter, quartz sand filter, cylindrical activated carbon filter particle size 0.8-1.8mm, pad layer quartz sand particle diameter 8-12mm, filter speed 8-12m / h, provide gas washing and anti-rinsing, rinsing time 5-10 minutes, rinse 2-4 times a day. Further, the water supply of the activated carbon filter 9 may not directly enter the film treatment device 4, and the water tank 44 may be provided on the flow path between the two, as the deposited water buffer container of the film treatment device 4.

[0052] The embodiment of the present invention also provides a method of rubbling a liquid leachate treatment, using the above-described leachate treatment system, and the garbage perfiltration liquid sequentially flows through the pretreatment device 1, the evaporation device 2, the perfiltration depth processing apparatus 3, the belt filter 7, The multi-dielectric filter 8, the activated carbon filter 9, and the membrane treatment device 4, wherein the leachate depth treatment apparatus 3 is broken into the emulsion and the condensed water discharged from the evaporation device 2, and the evaporation device 2 and the high-concentrated liquid discharged from the leachate depth treatment apparatus 3 is treated with the perfiltration liquid curing device 6. Through the above treatment method, the water discharged from the film processing apparatus 4 can reach the discharge standard, and the purification treatment of the garbage permeage by the pretreatment device 1, the evaporation device 2, and the perfiltration depth processing apparatus 3 can be treated. Effective treatment of objects, oil, coloring materials, salts, and oxidized materials, etc.

[0053] Specific landfill is used in the form of a permeable liquid treatment method according to an embodiment of the present invention, and the scale is 150 tons / day, and the actual daily treatment can reach 180 tons / day. The garbage perfiltration liquid is first entered into the pretreatment device 1 and then enters the two-stage low temperature evaporation evaporation device 2, and the water-producing water enters the depth treatment apparatus 3, and then passes through the belt filter 7, multi-dielectric filter 8, and activated carbon filter. 9. Finally, the high-concentrated liquid in which the film treatment device 4, the two-stage low temperature evaporation, and the precipitate of the leachate depth treatment apparatus 3 enters the diaphragmification liquid curing device 6, and the contamination removal rate of each stage is as follows:

[0054]

[0055] Further, the cured product of the liquid curing apparatus 6 was treated with a solidified pressure strength of 19.23 MPa, a water content of 21%, leaching pH 8.15, and the leaching heavy metal concentration was less than 5 mg / L. Through the above table, it can be seen that the permeable liquid treatment method is provided in the process of the present invention, along the processing process, each indicator is significantly reduced, especially the water production of the film treatment device 4 is significantly reached, and its total oil and hardness are 0, other indicators are also at low values, and the leachate treatment is much higher than that of traditional treatment.