Device and method for integrally processing garbage percolate
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A technology of landfill leachate and treatment device, which is applied in chemical instruments and methods, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of difficulty in effluent reaching the discharge standard and poor treatment effect, etc. To achieve the effect of reducing the volume of the structure, reducing the floor space and easy automatic control
Inactive Publication Date: 2010-05-19
魏毅宏
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Problems solved by technology
Using a single process treatment can often achieve good treatment effects on some indicators, but the treatment effect on other indicators is poor, and it is difficult to make the effluent meet the discharge standards
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Embodiment 1
[0048] Embodiment 1 A kind of landfill leachate integrated garbage treatment device, see figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Figure 6 , Figure 6-1 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13-1 , Figure 13-2 , including denitrification mechanism, mixing reaction tank 4, inclined plate sedimentation tank 5, and biochar filter bed 6, SMBR reactor 7, denitrification mechanism, mixing reaction tank 4, inclined plate sedimentation tank 5, biochar filter 6. The SMBR reactor 7 is connected in sequence and is respectively provided with a sewage outlet at its lower end, and also includes a drug-dissolving and dispensing mechanism, which includes a lye pool 17, a flocculation liquid pool 18, and a coagulation-assisting liquid pool 19 Two side by side drug-dissolving pools, the support rods running through the three drug-dissolving pools are respectively equipped with stirring motors and stirring blades. Th...
Embodiment 2
[0062] Example 2 The comparison of investment and operating costs of swirl coagulation, grid coagulation and swirl grid coagulation under the same treatment scale, the same influent water quality and the same effluent water quality is shown in Table 1:
[0063] Table 1 Comprehensive comparison table of technical effects
[0064]
Embodiment 3
[0065] Existing technology of embodiment 3 and the inventive method investment and operation economy compare
[0066] to handle 40m 3 / day calculation (see Table 2 for details):
[0067] Overall system investment: RMB 4.6-5 million; RMB 2.6-3.2 million;
[0068] System area: 900~1200m 2 ;434m 2 (including roads and green areas)
[0069] The actual area of equipment and workshop: 450m 2 ;128m 2
[0070] Operating cost: 12-14 yuan / ton of water; 8.604 yuan / ton of water;
[0071] Cost per ton of water: 38-40 yuan; 14.971 yuan
[0072] Table 2 Details of Investment and Operating Expenses
[0073]
[0074]
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Abstract
The invention relates to a device and a method for integrally processing garbage percolate, wherein the device comprises a denitrification mechanism, a polymerizing reaction tank, a sloping plate/pipe sedimentation tank, a biochar filter bed, an SMBR reactor and a medicine dissolving and dispensing mechanism, wherein the medicine dissolving and dispensing mechanism comprises three parallel medicine dissolving tanks including an alkali liquor tank, a flocculation liquid medicine tank and a flocculation aid liquid medicine tank; the three medicine dissolving tanks are respectively communicated with an alkali liquor medicine adding hole on a liquid inlet pipe of a stripping tower and a flocculation medicine adding hole and a flocculation aid medicine adding hole of pipelines communicated with a denitrification settling water tank and the polymerizing reaction tank. The treatment method comprises ammonia nitrogen stripping, coagulating sedimentation, biochar filter bed treatment, SMBR reactor treatment, nanofiltration and/or reverse osmosis treatment. The device and the method consist of a high-efficiency ammonia nitrogen stripping tower, whirl grid coagulation, sloping plate (pipe) setting, the biochar filter bed and the SMBR reactor, integrates the advantages of a garbage percolate treatment process and solves the problem of difficult treatment and high expense of the garbage percolate. The high-efficiency ammonia nitrogen stripping tower has high utilization rate on gases, a new gas distribution structure improves the energy efficiency, and the invention has the advantages of reducing the occupied area and reducing the operation expense.
Description
technical field [0001] The invention relates to the field of sewage treatment, in particular to an integrated treatment device for landfill leachate and a treatment method thereof. Background technique [0002] With the development of economy, the rapid increase of population and the continuous improvement of people's living standards, the output of urban garbage is increasing day by day, and the proper disposal of garbage has become a very urgent task. Common disposal methods of domestic waste include sanitary landfill, incineration, composting and comprehensive utilization. Among them, the sanitary landfill method has become the main way of domestic and foreign waste disposal because of its convenient management, low treatment cost and mature technology. According to the survey of my country's 329 urban garbage disposal sites by China Environmental Monitoring Center, sanitary landfills account for 87.5% of garbage disposal facilities. Landfill or stacking will produce la...
Claims
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