CN105036491A - Two-stage mineralized refuse reactor combination device - Google Patents
Two-stage mineralized refuse reactor combination device Download PDFInfo
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- CN105036491A CN105036491A CN201510533259.7A CN201510533259A CN105036491A CN 105036491 A CN105036491 A CN 105036491A CN 201510533259 A CN201510533259 A CN 201510533259A CN 105036491 A CN105036491 A CN 105036491A
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- reactor
- mineralized waste
- mineralized
- pipe
- mineralized refuse
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Abstract
The invention discloses a two-stage mineralized refuse reactor combination device. The two-stage mineralized refuse reactor combination device comprises two mineralized refuse reactors, a ventilating pipe, a flow meter, an air pump and a control cabinet, wherein three solid sampling holes are uniformly formed in the side vertical direction of the two mineralized refuse reactors, an effluent sampling hole is formed in the bottom, an aerator pipe is arranged at the bottom of the two mineralized refuse reactors and is connected with a rotor flow meter, the rotor flow meter is connected with the air pump, and the air pump is connected with the control cabinet; the ventilating pipe is arranged in the middle, the pipe wall of the ventilating pipe is punched at equal intervals, the top of the ventilating pipe is sealed, the lower part of the ventilating pipe is connected with the aerator pipe, and a gauze element is wrapped outside the ventilating pipe; the mineralized refuse reactors are capped at the top, a funnel is arranged on a cover and is used for water injection, a valve is arranged between the funnel and the cover, a PVC plate with uniformly distributed holes is additionally arranged at the bottom of the cover and is used for uniformly distributing water; and a gravel layer, a mineralized refuse layer and a bevelled gravel layer are respectively filled in each mineralized refuse reactor from top to bottom, a sloping plate with uniformly distributed holes is used for supporting the bevelled gravel layers, three temperature probes are uniformly embedded into the mineralized refuse layer and are used for determining temperature in a pile body.
Description
Technical field
The invention belongs to environmental protection and technical field of new energies, particularly a kind of two-stage mineralized waste reactor combined apparatus.
Background technology
Along with the fast development of Chinese national economy and improving constantly of people's consumptive power, the output of domestic refuse is also in continuous increase.Within 2012, China's domestic waste output reaches 1.51 hundred million tons, and within 2013, China's municipal wastes total amount has reached 1.8 hundred million tons, and municipal wastes accounts for 30% of national rubbish total amount.The main method of China's domestic rubbish disposal is sanitary landfill, and this method can produce a large amount of percolate.Percolate is a kind of high concentrated organic wastewater of complicated component, has organic loading high, ammonia nitrogen and the feature such as heavy metal content is higher, landfill later stage biodegradability is poor, water quality and the water yield change greatly.Traditional leachate processing method exists that investment cost is high, processing cost is high, later stage operation energy consumption is large, complex technical process, occupation of land place are large, system is easily hit and the difficult problem such as up to standard of effluent quality, and thus the safe handling of percolate is the current a great problem faced.
Aged refuse reactor treating refuse percolate, not only treatment effect is good, is utilized by changing waste into resources fully, reach the object of the treatment of wastes with processes of wastes against one another, and processing cost is low, technical process and operational management simple and convenient, there is good environmental ecology meaning and economic benefit.
From the nineties in last century, some scholars have carried out some research work to aged refuse reactor treating refuse percolate.Forefathers' research all shows that mineralized waste bed has good treatment effect to ammonia nitrogen, but but fail to solve the high problem of effluent nitrate-nitrogen content, cause nitrogen removal rate not high, one of reason is just that denitrification process carbon source is not enough, the percolate carbon-nitrogen ratio entering oxygen-starved area and anaerobic zone is low, hinders the denitrification of nitrate nitrogen.
Summary of the invention
The object of this invention is to provide a kind of two-stage mineralized waste reactor combined apparatus.
The present invention is achieved in that a kind of two-stage mineralized waste reactor combined apparatus, comprises two mineralized waste reactors, vent-pipe, spinner-type flowmeter, air pump and controlling boxs; Two mineralized waste reactor side vertical direction evenly arrange three solid thief holes, and bottom sets out water sampling mouth and aeration tube, and aeration tube connects spinner-type flowmeter, and spinner-type flowmeter is connected with air pump, air pump connection control case; Controlling box is provided with temperature indicator, aeration switch and temperature switch; Vent-pipe is arranged on mineralized waste reactor central authorities, and the equidistant punching of tube wall, and its top seal and bottom are connected with aeration tube, and be beneficial to air to mineralized waste layer cylinder internal diffusion, gauze is wrapped up in vent-pipe outside, prevents mineralized waste blocking ventilation hole; Mineralized waste reactor top is added a cover, and has covered funnel, for water filling, arranges valve between funnel and lid, covers the PVC board that the end adds the even cloth hole of one deck, for water distribution uniformity; Mineralized waste reactor loads gravel bed, mineralized waste layer and inclined-plane gravel bed from top to bottom respectively, the swash plate supporting oblique surface gravel bed in even cloth hole, and three temp probes evenly imbed mineralized waste layer, for measuring temperature in heap body.
Described two mineralized waste reactors are respectively first step mineralized waste reactor and second stage mineralized waste reactor, and first step mineralized waste reactor is synchronous nitration and denitrification reactor, and its aeration rate is 0.2 ~ 3.0m
3/ (m
3d); Second stage mineralized waste reactor is denitrification reactor or the reactor based on denitrification, and its aeration rate is 0 ~ 0.4m
3/ (m
3d); Aeration position is arranged on the optional position between reactor bottom to reactor head 1/3rd place as the case may be; Influent load is 30 ~ 70L/ (m
3d); The water inlet frequency is 1 ~ 2 time/d; The particle diameter of described mineralized waste is 4 ~ 10mm.
Two-stage mineralized waste reactor combination treatment percolate device of the present invention, remove on the basis of part total nitrogen at first step mineralized waste reactor, by certain proportion stoste percolate is injected second stage mineralized waste reactor supplementing denitrifying carbon source, farthest realize denitrification denitrogenation, improve nitrogen removal rate; And utilize mineralized waste process percolate, realize the treatment of wastes with processes of wastes against one another.
Accompanying drawing explanation
Fig. 1 is the structural representation of device in the embodiment of the present invention.
Mark in figure: 1-funnel; 2-gravel bed; 3-mineralized waste layer; 4-solid thief hole; 5-vent-pipe; 6-inclined-plane gravel bed; The swash plate in the even cloth hole of 7-; 8-water outlet thief hole; 9-valve; The PVC board in the even cloth hole of 10-; 11-temp probe; 12-spinner-type flowmeter; 13-air pump; 14-temperature indicator; 15-controlling box; 16-aeration switch; 17-temperature switch; A-first step mineralized waste reactor; B-second stage mineralized waste reactor.
Embodiment
embodiment:
A kind of two-stage mineralized waste reactor combined apparatus, comprises first step mineralized waste reactor A, second stage mineralized waste reactor B, vent-pipe 5, spinner-type flowmeter 12, air pump 13 and controlling box 15; Two mineralized waste reactor A and B are 0.37m by diameter, it is highly the PVC pillar formation of 1.5m, its lateral vertical direction evenly arranges three solid thief holes 4, bottom sets out water sampling mouth 8 and aeration tube, aeration tube connects spinner-type flowmeter 12, spinner-type flowmeter 12 is connected with air pump 13, air pump 13 connection control case 15; Controlling box 15 is provided with temperature indicator 14, aeration switch 16 and temperature switch 17; Vent-pipe 5 is arranged on mineralized waste reactor central authorities, and the equidistant punching of tube wall (pipe diameter 2.5cm, aperture 0.6cm, hole vertical spacing 10cm), its top seal and bottom are connected with aeration tube, be beneficial to the cylinder internal diffusion of air to mineralized waste layer 3, gauze is wrapped up in vent-pipe 5 outside, prevents mineralized waste from blocking ventilation hole; Mineralized waste reactor A and B top are added a cover, and have covered funnel 1, for water filling, arrange valve 9 between funnel 1 and lid, cover the PVC board 10 that the end adds the even cloth hole of one deck, for water distribution uniformity; Mineralized waste reactor A and B load gravel bed 2(from top to bottom respectively highly for 10cm, particle diameter are the gravel of 4cm and are highly 5cm, particle diameter is the little gravel of 1cm, as supporting layer with to catchment layer), highly be the little gravel of the mineralized waste layer 3 of 0.9m and inclined-plane gravel bed 6(highly 5cm, particle diameter 1cm), the swash plate 7 supporting oblique surface gravel bed 6 in even cloth hole, three temp probes 11 evenly imbed mineralized waste layer 3, for measuring temperature in heap body.
The mineralized waste that the present embodiment uses and percolate are all taken from Guilin City and to be blurted out refuse landfill.
Above-mentioned mineralized waste is the mineralized waste with 10 years landfill ages, and after transporting laboratory back from landfill yard, sieved out 4 ~ 10mm particle size range with sieve, then fill out in mineralized waste reactor A and B, packing density is 740kg/m
3.Mineralized waste outward appearance physical behavior shows as: similar soil, do not have peculiar smell.
The physico-chemical property of above-mentioned percolate is as shown in table 1.
Table 1 percolate raw water quality feature
Two-stage mineralized waste reactor combined apparatus treating refuse percolate by the present embodiment (waters percolate by funnel 1, the valve 9 between funnel 1 and lid is closed after water inlet, start aeration simultaneously, enter every day before percolate and reacted percolate in the day before yesterday reactor is released, then outlet valve is closed immediately, within in process of the test every three days, measure each Pollutant levels change in a water outlet percolate), by regulating, aeration rate and operating parameter are set, first step mineralized waste reactor A is synchronous nitration and denitrification reactor, second stage mineralized waste reactor B is denitrification reactor, first step mineralized waste reactor A does not process whole stoste percolates that whole process need process, but process accounts for the stoste percolate of total amount 75%, remove on the basis of part total nitrogen at first step mineralized waste reactor, the water outlet percolate of the first step mineralized waste reactor containing finite concentration nitrate nitrogen and the stoste percolate accounting for total amount 25% are mixed into second stage mineralized waste reactor, utilize the organic substance in this stoste percolate of 25% as the carbon source of nitrate nitrogen denitrification process, the removal of nitrate in further promotion percolate, thus raising nitrogen removal rate.
Described aeration rate and operating parameter: first step mineralized waste reactor adopts in bottom continuous aeration mode, and aeration rate is 1.86m
3/ (m
3d), aeration 6 hours are continued every day; Second stage mineralized waste reactor adopts at reactor top 1/3rd place continuous aeration, and continue aeration every day 6 hours, aeration rate is respectively 0.372m
3/ (m
3.d); Influent load is 31L/ (m
3d); The water inlet frequency is 1 time/d.
Above-mentioned test run two months, result shows, after stable, nitrogen removal rate is stabilized in 71 ~ 87%, and total nitrogen average removal rate is 76%; In addition COD
cralso achieve good removal effect with ammonia nitrogen, average removal rate is respectively 84% and 80%.
Claims (1)
1. a two-stage mineralized waste reactor combined apparatus, is characterized in that this combined apparatus comprises two mineralized waste reactors, vent-pipe (5), spinner-type flowmeter (12), air pump (13) and controlling box (15); Two mineralized waste reactor side vertical direction evenly arrange three solid thief holes (4), bottom sets out water sampling mouth (8) and aeration tube, aeration tube connects spinner-type flowmeter (12), spinner-type flowmeter (12) is connected with air pump (13), air pump (13) connection control case (15); Controlling box (15) is provided with temperature indicator (14), aeration switch (16) and temperature switch (17); Vent-pipe (5) is arranged on mineralized waste reactor central authorities, and the equidistant punching of tube wall, its top seal and bottom are connected with aeration tube, are beneficial to the cylinder internal diffusion of air to mineralized waste layer, gauze is wrapped up in vent-pipe (5) outside, prevents mineralized waste from blocking ventilation hole; Mineralized waste reactor top is added a cover, and has covered funnel (1), for water filling, arranges valve (9) between funnel (1) and lid, covers the PVC board (10) that the end adds the even cloth hole of one deck, for water distribution uniformity; Mineralized waste reactor loads gravel bed (2), mineralized waste layer (3) and inclined-plane gravel bed (6) from top to bottom respectively, swash plate (7) the supporting oblique surface gravel bed (6) in even cloth hole, three temp probes (11) evenly imbed mineralized waste layer (3), for measuring temperature in heap body;
Described two mineralized waste reactors are respectively first step mineralized waste reactor (A) and second stage mineralized waste reactor (B), first step mineralized waste reactor (A) is synchronous nitration and denitrification reactor, and its aeration rate is 0.2 ~ 3.0m
3/ (m
3d); Second stage mineralized waste reactor (B) for denitrification reactor or the reactor based on denitrification, its aeration rate be 0 ~ 0.4m
3/ (m
3d); Aeration position is arranged on the optional position between reactor bottom to reactor head 1/3rd place as the case may be; Influent load is 30 ~ 70L/ (m
3d); The water inlet frequency is 1 ~ 2 time/d; The particle diameter of described mineralized waste is 4 ~ 10mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510533259.7A CN105036491B (en) | 2015-08-27 | 2015-08-27 | A kind of two-stage mineralized waste reactor combined apparatus |
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| CN201510533259.7A CN105036491B (en) | 2015-08-27 | 2015-08-27 | A kind of two-stage mineralized waste reactor combined apparatus |
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| CN105036491A true CN105036491A (en) | 2015-11-11 |
| CN105036491B CN105036491B (en) | 2017-05-31 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1562508A (en) * | 2004-04-08 | 2005-01-12 | 同济大学 | New technique of prepositive replenishment treatment of denitrification denitrfication for preoclating water in two-stage mineralization garbage |
| CN103466796A (en) * | 2013-09-27 | 2013-12-25 | 桂林理工大学 | Method for carrying out synchronous nitrification treatment and denitrification treatment on percolate by using mineralized refuse reaction bed |
-
2015
- 2015-08-27 CN CN201510533259.7A patent/CN105036491B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1562508A (en) * | 2004-04-08 | 2005-01-12 | 同济大学 | New technique of prepositive replenishment treatment of denitrification denitrfication for preoclating water in two-stage mineralization garbage |
| CN103466796A (en) * | 2013-09-27 | 2013-12-25 | 桂林理工大学 | Method for carrying out synchronous nitrification treatment and denitrification treatment on percolate by using mineralized refuse reaction bed |
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| CN105036491B (en) | 2017-05-31 |
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Application publication date: 20151111 Assignee: Guangxi Yifang Environmental Protection Technology Co.,Ltd. Assignor: GUILIN University OF TECHNOLOGY Contract record no.: X2022450000525 Denomination of invention: A combined device of two-stage mineralized waste reactor Granted publication date: 20170531 License type: Common License Record date: 20221229 |
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