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Hydraulic separation device for humified garbage and method for separating humified garbage
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A technology of hydraulic separation and humification, applied in chemical instruments and methods, solid separation, wet separation, etc., can solve the problems of low added value and slow development of related technologies, so as to reduce operating costs, improve economic benefits, The effect of stable operation of the system
Inactive Publication Date: 2013-01-23
NANJING UNIV
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Problems solved by technology
It is difficult to separate harmful impurities such as cullet by using traditional sorting technology, and the added value of the product itself of humified waste recycling technology is low, and the development of related technologies is relatively slow
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Embodiment 1
[0034] (1) Collect the humified waste that has been closed for more than 8 years in the domestic waste landfill, pass through a 20mm sieve, manually remove the broken glass from the humified waste under the sieve, and then add 100 pieces of 1-2㎜ and 2-3㎜ broken glass each pellets to evaluate cullet removal.
[0035] (2) Three-stage series hydraulic separation equipment such as figure 1 As shown, the feed adopts an inertia vibrating feeder 16, and the core structure of the hydraulic separation equipment is a three-stage hydraulic separator 1, 4, 7 connected in series on the upper part, and the downcomer 3 and 5 are connected in series with the three-stage hydraulic separator; The first stage hydraulic separator sedimentation tank 2 in the middle, the second stage sedimentation bucket 6 and the third stage sedimentation bucket 8 in the lower part collect sediment and sediment, adopt hydraulic slag discharge method, and control the slag discharge valve 12, mud discharge valve 13 ...
Embodiment 2
[0039] (1) Collect the humified garbage that has been closed for more than 8 years in the domestic waste landfill, pass through a 10mm sieve, manually remove the broken glass from the humified garbage under the sieve, and then add 100 pieces of 1-2㎜ and 2-3㎜ broken glass each pellets to evaluate cullet removal.
[0040] (2) Three-stage series hydraulic separation equipment such as figure 1 As shown, the feed adopts inertia vibrating feeder 16, and the core structure of hydraulic separation is three-stage hydraulic separator 1, 4, 7 connected in series at the upper part, and downcomer 3 and 5 are connected in series with three-stage hydraulic separator; The first-stage hydraulic separator sediment tank 2, the lower second-stage sedimentation hopper 6 and the third-stage sedimentation hopper 8 collect sediment and sediment, adopt hydraulic slag discharge and mud discharge method, and control the slag discharge valve 12, mud discharge valve 13 and 10 , which are discharged from ...
Embodiment 3
[0044] (1) Collect the humified waste that has been closed for more than 8 years in the domestic waste landfill, pass through a 20mm sieve, manually remove the broken glass from the humified waste under the sieve, and then add 100 pieces of 1-2㎜ and 2-3㎜ broken glass each pellets to evaluate cullet removal.
[0045] (2) Three-stage series hydraulic separation equipment such as figure 1 As shown, the feed adopts inertia vibrating feeder 16, and the core structure of hydraulic separation is three-stage hydraulic separator 1, 4, 7 connected in series at the upper part, and downcomer 3 and 5 are connected in series with three-stage hydraulic separator; The first-stage hydraulic separator sediment tank 2, the lower second-stage sedimentation hopper 6 and the third-stage sedimentation hopper 8 collect sediment and sediment, adopt hydraulic slag discharge and mud discharge method, and control the slag discharge valve 12, mud discharge valve 13 and 10 , which are discharged from the ...
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Abstract
The invention discloses a hydraulic separation device for humified garbage and a method for separating the humified garbage, belonging to the field of garbage disposal. The upper part of the device is connected in series with a third-level hydroseparator, a descending pipe is connected in series with the third-level hydroseparator, a residue sediment cylinder is arranged below a first-level hydroseparator, a second-level hydroseparator and the third-level hydroseparator are respectively connected with a sludge sediment hopper, the residue sediment cylinder is connected with an independent residue discharge valve, the sludge sediment hopper is connected with a sludge discharge valve, the residue discharge valve and the sludge discharge valve are connected with a solid-liquid separation box, a return pipe is arranged at the upper part of the hydroseparator and communicated with a circulating water tank, the inside of the circulating water tank is provided with a water circulation pump, and the water circulation pump is connected with a water inlet valve by a pipe. The method disclosed by the invention comprises the steps of sequentially carrying out inflowing, feeding, primary hydraulic separation, secondary hydraulic separation and tertiary hydraulic separation; respectively settling settleable materials into the sludge sediment hopper for three times; blocking floating residues by using a filter screen of the circulating water tank; and sequentially discharging settled residues and sludge in an intermittent order. By using the device and method disclosed by the invention, the difficult problem of efficiently separating mixtures in different densities and scales is solved. In addition, the operation is stable, the separation efficiency is high, and the process water canbe recycled.
Description
technical field [0001] The invention belongs to the field of garbage treatment methods and equipment, and in particular relates to a hydraulic sorting equipment for humified garbage and a sorting method thereof. Background technique [0002] The application of harmless treatment technology of domestic waste in my country is mainly landfill, and landfill is still the main form of harmless treatment of domestic waste in my country for a long time. There are nearly 7 billion tons of humified waste accumulated over the years in the country, which not only occupies a large amount of land, but also threatens the surrounding environment. Some cities simply use relocation and transshipment methods to remove garbage mountains in the suburbs of the city, but the cost is huge. Because it is only the transfer of pollutants, many problems such as land occupation by humified garbage and negative impact on the environment cannot be fundamentally eliminated. The most important way to funda...
Claims
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Application Information
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