CN106746217B - A kind of processing method of the sanitary sewage containing ammonia nitrogen in high density - Google Patents

A kind of processing method of the sanitary sewage containing ammonia nitrogen in high density Download PDF

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Publication number
CN106746217B
CN106746217B CN201611199024.XA CN201611199024A CN106746217B CN 106746217 B CN106746217 B CN 106746217B CN 201611199024 A CN201611199024 A CN 201611199024A CN 106746217 B CN106746217 B CN 106746217B
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water
level
plate
material layer
ammonia nitrogen
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CN106746217A (en
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段成彩
王曙光
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Shandong Wenqing Environmental Technology Co Ltd
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Shandong Wenqing Environmental Technology Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/302—Nitrification and denitrification treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

A kind of processing method of the sanitary sewage containing ammonia nitrogen in high density is arranged treatment tank, treatment tank is separated out to pretreatment pool A, level-one continuous filter B, nitrification tank C, two level continuous filter D and clear water reserviors E successively.Domestic sewage processing method provided by the invention, cost of investment is low, and the cleanliness factor of water is high after processing, sewage disposal it is stable, energy consumption is low, and purified water quality is used directly for poultry and drinks, and can do other domestic waters.Sewage water treatment method of the present invention is especially suitable for water-deficient area, and investment is low, and operational management is simple, and maintenance cost is low etc..

Description

A kind of processing method of the sanitary sewage containing ammonia nitrogen in high density
Technical field
The present invention relates to sewage disposals, are a kind of processing methods of the sanitary sewage containing ammonia nitrogen in high density.
Background technology
The processing method of sanitary sewage has compared with multiple types, is used as middle water after sewage disposal under normal circumstances, but It is for the area based on areas of serious, especially animal husbandry, livestock and poultry water consumption is larger, to the clean level of sewage disposal It is more demanding, can achieve the purpose that recycling, current domestic sewage processing method is unable to reach livestock and poultry use Requirement.Method generally use anoxic/aerobic method, SBR methods of ammonia nitrogen etc. in the removal sanitary sewage having disclosed, this is herein Another deficiency of reason method is that processing technological flow is complicated, and progress is with high costs, and operation stability is relatively low, complex management, processing The rear peace and quiet degree of sewage is not good enough etc..
Invention content
The object of the present invention is to provide a kind of processing methods of sanitary sewage containing ammonia nitrogen in high density, it can solve the prior art It is insufficient.
The present invention to achieve the above object, by the following technical programs：A kind of processing of the sanitary sewage containing ammonia nitrogen in high density Method is arranged treatment tank, treatment tank is separated out to pretreatment pool A, level-one continuous filter B, nitrification tank C, two level successively Continuous filter D and clear water reserviors E；Processing step is as follows：
1. the sewage containing ammonia nitrogen in high density is introduced pretreatment pool A, pretreated sewage is pumped into level-one diafiltration with pump Pond B, level-one continuous filter B by bottom to top be arranged the first water collector, the first filter material layer, the first water distributor, the second filter material layer and Second water distributor, the first filter material layer are the mixtures of anthracite 30% and gangue 70%, and grain size is that 1.5-2.5mm accounts for 55%-65%, Material diameter 3-3.5mm accounts for 35%-45%, and the thickness of the first filter material layer is 30-40cm, and the second filter material layer is river sand 20%, clinker 15%, boiling The mixture of stone 37%, quartz sand 20% and magnetic iron ore 8%, the wherein grain size of magnetic iron ore are 0.5-1.5mm, the grain size of zeolite Thickness for 2-3.5mm, the second filter material layer is 50-80cm, and the water outlet of the first water collector 7 is located in nitrification tank C；
2. the second water distributor by level-one continuous filter B treated water introduce the two level continuous filter bottoms D and with third water distributor Connect, the import of third water distributor is communicated with nitrification tank C, and third filter material layer is arranged above third water distributor, and alloy purification device is set On the top of third filter material layer, alloy purification device is arranged bottom plate and upper plate, and the length direction both ends of bottom plate and upper plate are respectively with the One riser and the connection of the second riser install number row's rotation silk, are staggered per two rows of rotation silks, are opened up on bottom plate between bottom plate and upper plate Several first through hole open up several second through-holes on upper plate, and rotation is installed between each first through hole and the center line of the second through-hole Silk, alloy purification device are mounted on filler ring, and filler ring is mounted on the D inner walls of two level continuous filter, and mounting groove, mounting groove are opened up in filler ring Interior setting supporting plate installs second spring between supporting plate and installation groove bottom wall, and by connecting pole connection plate, connecting pole is straight for bottom Diameter is less than the width of mounting plate, and mounting plate is located in mounting groove, fixing groove is opened up in filler ring, L-shaped fixed link is installed on supporting plate One end, fixed link is located in corresponding fixing groove, and the other end of fixed link connects the first rack, in fixing groove installation mutually nibble The first bevel gear and the second bevel gear closed installs first gear on the first bevel gear, and the first rack is engaged with first gear, the Wheel shaft is installed, one end of wheel shaft stretches out filler ring and side plate and installs baffle, installs and reset between baffle and side plate on one bevel gear Spring pushes wheel shaft that the first bevel gear can be made to be detached from the second bevel gear, second gear, second gear is installed on the second bevel gear The second rack of upper engagement opens up sliding slot in filler ring, and sliding slot is communicated with mounting groove, and sliding slot is located between mounting plate, is set in sliding slot Limiting plate is set, cooperation installation section is rectangular guide rod on limiting plate, and limiting plate is touched with the second rack, and third is installed on guide rod Riser, installs third spring between limiting plate and third riser, the second rack can push limiting plate to be moved to installation along guide rod In slot, the second water collector is arranged above alloy purification device, and the second water collector water inlet is located at two level continuous filter D, and second catchments The water outlet of device is connect with siphon drainage pipe, and siphon drainage pipe water outlet is located at clear water reserviors E, and the clear water in clear water reserviors E is by draining Pipe is discharged.Inflow in the B of level-one continuous filter is entered using Perfected electromagnetic metering valve control, inflow can be made with two level continuous filter D Siphon drainage pipe work on the basis of step 1. in 2 discontinuous operation of pump, so that level-one continuous filter B is in the water inlet phase and is not intake the phase two Kind working condition enters the second water distributor into the 50% of the total Water of level-one continuous filter B, and the 20% of total Water enters the first water distribution Device, the 25% of total Water is located in the first filter material layer.Step 2. described in alloy purification device by weight by copper 41%, zinc 32% and silver-colored 27% mixture is made.The cross section for revolving silk is eight angular, and each corner angle outermost end is in rotation silk cross section Distance between heart line is 2-2.5mm, and the length for revolving silk is 15-20cm.Step 1. described in the first filter material layer mixture grain Diameter is that 1.8mm accounts for 60%, and grain size accounts for 40% for 3mm's.Step 1. described in second filter material layer mixture in magnetic iron ore Grain size is 1mm, and the grain size of coke is 2.5mm.The water inlet phase of level-one continuous filter B and the change-over period for phase of not intaking are 5.5-6.5 Hour.Several pilot holes are opened up on the supporting plate, install and several guide posts are installed in groove bottom wall, guide post is located at pilot hole Interior, supporting plate can be slided by pilot hole along guide post.
Domestic sewage processing method provided by the invention, cost of investment is low, and the cleanliness factor of water is high after processing, sewage disposal Stable, energy consumption is low, as COD of sewage 200-700mg/L, BOD150-400mg/L, NH3- N50-150 mg/L, ton water take up an area Area is 1.2m2When, ton water power consumption be 0.2KW/h, the index that reaches of clear water discharge is CODcr<20 mg/L、BOD5<5mg/L、 SS<6 mg/L, total ammonia<7 mg/L, ammonia nitrogen<3mg/L, pH value 6.2, cyanide are not detected, and lead is 0.01 mg/L, mercury is 0.001 mg/L, copper are 0.4 mg/L, zinc 0.42mg/L, total number of bacteria are 18/L, chloride 21mg/L.It is purified Water quality is used directly for poultry and drinks, and can do other domestic waters.Sewage water treatment method of the present invention is particularly suitable In water-deficient area, investment is low, and operational management is simple, and maintenance cost is low etc..
Description of the drawings
Attached drawing 1 is the apparatus structure schematic diagram that sewage water treatment method of the present invention uses；Attached drawing 2 be in attached drawing 1 M to knot Structure schematic diagram；Attached drawing 3 be in attached drawing 1 N to enlarged structure schematic diagram；Attached drawing 4 is the portions I enlarged structure schematic diagram in attached drawing 3；Attached drawing 5 be another state diagram of 4 structure of attached drawing；Attached drawing 6 is F-F schematic cross-sectional views in attached drawing 4；Attached drawing 7 is G-G in attached drawing 5 Schematic cross-sectional view.
Specific implementation mode
A kind of processing method of sanitary sewage containing ammonia nitrogen in high density of the present invention is as follows：
1. the sewage containing ammonia nitrogen in high density is introduced pretreatment pool A, pretreated sewage, which is pumped into level-one, with pump 2 oozes The first water collector 7, the first filter material layer 6, the first water distributor 5, the second filtrate is arranged by bottom to top in filter tank B, level-one continuous filter B Layer 4 and the second water distributor 3, the first filter material layer 6 is the mixture of anthracite 30% and gangue 70%, and grain size accounts for for 1.5-2.5mm 55%-65%, material diameter 3-3.5mm account for 35%-45%, and the thickness of the first filter material layer 6 is 30-40cm, the second filter material layer 4 be river sand 20%, The mixture of clinker 15%, zeolite 37%, quartz sand 20% and magnetic iron ore 8%, the wherein grain size of magnetic iron ore are 0.5-1.5mm, The grain size of zeolite is 2-3.5mm, and the thickness of the second filter material layer 4 is 50-80cm, and the water outlet of the first water collector 7 is located at nitrification tank C It is interior；
2. the second water distributor 3 by level-one continuous filter B treated water introduce the two level continuous filter bottoms D and with third water distributor 9 connect, and the import of third water distributor 9 is communicated with nitrification tank C, 9 top setting third filter material layer 10 of third water distributor, alloy purification Device is located at the top of third filter material layer 10, and bottom plate 13 and upper plate 14, the length side of bottom plate 13 and upper plate 14 is arranged in alloy purification device It is connect respectively with starting stave 15 and the second riser 47 to both ends, number is installed between bottom plate 13 and upper plate 14 and is arranged and revolves silk 17, every two Row's rotation silk is staggered, and several first through hole 46 are opened up on bottom plate 13, open up several second through-holes 19 on upper plate 14, and each first Installation rotation silk, alloy purification device are mounted on filler ring 45 between through-hole 46 and the center line of the second through-hole 19, and filler ring is mounted on two On the D inner walls of grade continuous filter, mounting groove 32 is opened up in filler ring 45, supporting plate 39, supporting plate 39 and 32 bottom of mounting groove are set in mounting groove 32 Second spring 42 is installed, bottom is less than mounting plate 40 by 41 connection plate 40 of connecting pole, 41 diameter of connecting pole between wall Width, mounting plate 40 are located in mounting groove 32, and fixing groove 22 is opened up in filler ring 45, L-shaped fixed link 30 is installed on supporting plate 39 One end, fixed link 30 are located in corresponding fixing groove 22, and the other end of fixed link 30 connects the first rack 25, pacifies in fixing groove 22 24 and second bevel gear 43 of intermeshing first bevel gear is filled, first gear 26, the first rack are installed on the first bevel gear 24 25 engage with first gear 26, and wheel shaft 21 is installed on the first bevel gear 24, and one end of wheel shaft 21 is stretched out filler ring 45 and side plate 1 and pacified Baffle 33 is filled, resetting spring 34 is installed between baffle 33 and side plate 1, pushes wheel shaft 21 that the first bevel gear 24 can be made to be detached from second Bevel gear 43 installs second gear 23 on second bevel gear 43, engages the second rack 27 in second gear 23, opened up in filler ring 45 Sliding slot 44, sliding slot 44 are communicated with mounting groove 32, and limiting plate is arranged between bottom plate 13 and mounting plate 40 in sliding slot 44 in sliding slot 44 28, cooperation installation section is rectangular guide rod 35 on limiting plate 28, and limiting plate 28 is touched with the second rack 27, installed on guide rod 35 Third riser 31 installs third spring 29 between limiting plate 28 and third riser 31, the second rack 27 can push limiting plate 28 It is moved in mounting groove 32 along guide rod 35, the second water collector 11 is arranged above alloy purification device, 11 water inlet of the second water collector Positioned at two level continuous filter D, the water outlet of the second water collector 11 is connect with siphon drainage pipe 18, and 18 water outlet of siphon drainage pipe is located at Clear water in clear water reserviors E, clear water reserviors E is discharged by drainpipe.The sewage that the present invention is handled is resident living sewage, in processing procedure The raw material of the first filter material layer used and the interrupted grain size cooperation of combination, it is anti-can preferably to generate denitrification under anaerobic condition It answers；The interrupted cooperation of material combination and magnetic iron ore and sized zeolite particles that second filter material layer is selected can make the second filter material layer more preferable Pollutant, the suspended matter gone in water removal, and in the discontinuous operation of pump not the phase of intaking can reoxygenation, grow a large amount of nitrification Nitration reaction occurs for bacterium.The material combination of the third filter material layer is identical as the material combination of the second filter material layer.The present invention adopts Cleaning was primary per 60-80 days for alloy purification device, can Reusability, the folding of alloy purification device facilitates, do not damage rotation silk, make With long lifespan, operating cost is reduced.The rotation silk of alloy purification device is the structure designed according to water quality in the D of two level continuous filter and mixing The combination of object, it can make the water in the D of two level continuous filter go the pollution in water removal after sufficient electrochemical oxidation reactions Object enables purified water quality to reach the standard for making poultry directly drink, resident living water is made to recycle, to solve to lack The various problems that water is brought.Alloy purification device is mounted on filler ring 45, and filler ring 45 has 4, and the quadrangle in the second continuous filter is uniformly distributed, Filler ring 45 fixes alloy purification device, can stablize and purify water, and be easy to dismount, sewage water treatment method is made to operate in operation Convenient, service life is long, and maintenance capacity is low.
The preferential scheme of the present invention：Using Perfected electromagnetic metering valve control enter level-one continuous filter B in inflow, inflow with On the basis of two level continuous filter D can make siphon drainage pipe work.Step of the present invention 1. described in level-one continuous filter B in water inlet Amount needs that with two level continuous filter D siphon drainage cooperation can be generated, and inflow measures valve using Electromagnetic Flow, using circuit control System.For two level continuous filter D after reaching highest setting water level, water generates siphon, purified water after the purification of alloy purification device Clear water reserviors E is rapidly entered, negative pressure is generated in the second filter material layer, at this point, outside air enters filter material layer, microorganism inhales in the waterflooding phase The mineralized nitrogen of receipts is nitrate nitrogen.
The further scheme of the present invention is：Step 1. in 2 discontinuous operation of pump, so that level-one continuous filter B is in water inlet phase and not Two kinds of working conditions of water inlet phase, into level-one continuous filter B total Water 50% enter the second water distributor 3, total Water 20% into Enter the first water distributor 5, the 25% of total Water is located in the first filter material layer 6.Pump discontinuous operation in the method for the invention, by electricity Road controls automatic conversion.When in the water inlet phase, the second filter material layer 4 is in the waterflooding phase, and organic matter, ammonia nitrogen are adsorbed by filtrate；It is in Do not intake the phase when, the second filter material layer 4 is in and falls dry spell, and absorption organic matter, microbiological oxidation are decomposed, and nitration reaction occurs for ammonia nitrogen. The distribution of total Water can keep the first filter material layer to be constantly in the waterflooding phase, and sewage is made to pass through water distributor water distribution uniformity, make filtrate Layer reaches uniform adsorption organic matter, ammonia nitrogen, and in the first filter material layer 6 nitration reaction occurs for nitrate nitrogen.Mounted on level-one continuous filter B Interior water collector enters nitrification tank C after collecting sewage, and sewage enters back into two level continuous filter after nitration reaction occurs for remaining ammonia nitrogen D.The method of this intermittent water inflow, can make level-one continuous filter B frequently waterflooding and fall it is flat between convert, filter material layer periodically generates suction Reaction enclosure and microbiological oxidation decomposition, nitration reaction, effectively remove organic matter, ammonia nitrogen.
Nitrification tank C of the present invention between level-one continuous filter B and two level continuous filter D carries out reinforcing nitrification to sewage, solves The low problem of nitrification efficiency caused by natural reaeration scarce capacity.
The 20% of treated sewage total Water enters the third water distributor of two level continuous filter D in nitrification tank C, and water distribution uniformity is laggard Enter third filter material layer, third filter material layer lower part is constantly in the waterflooding phase, anti-nitration reaction occurs herein.
Step of the present invention 2. described in alloy purification device by weight by copper 41%, zinc 32% and silver 27% mixture It is made.The mixture designed according to two level continuous filter D water quality can make that treated, and water quality reaches poultry standard for drinking.
Scheme provided by the invention is：The cross section for revolving silk 17 is eight angular, and each corner angle outermost end is at a distance of rotation silk 17 Distance between cross-section center line is 2-2.5mm, and the length of rotation silk 17 is 15-20cm.The program is designed according to the water quality of processing, So that it is touched water in the case of maximum area and electrochemical reaction quickly occurs, better water quality mark is reached under low cost operation It is accurate.
Step of the present invention 1. described in the grain size of 6 mixture of the first filter material layer be that 1.8mm accounts for 60%, grain size is accounting for for 3mm 40%.This further embodiment can make the first filter material layer 6 form interrupted grading, preferably form anti-nitration reaction, make ammonia more It is easily drained.
Step of the present invention 1. described in the second filter material layer 4 mixture in magnetic iron ore grain size be 1mm, the grain of coke Diameter is 2.5mm.The grain size of magnetic iron ore and the grain size of coke form interrupted grading, the nuisances such as adsorbable more organic matters, And falling the more nitration reactions of dry spell generation in turn.The water inlet phase of level-one continuous filter B and the change-over period for phase of not intaking with 5.5-6.5 hours are preferred, and the denitrification of two level continuous filter D can be made to remove remaining total nitrogen, give full play to continuous filter Natural reaeration does not need artificial aeration.
Several pilot holes 37 are opened up on supporting plate 39 of the present invention, and several guide posts 36 are installed on 32 bottom wall of mounting groove, Guide post 36 is located in pilot hole 37, and supporting plate 39 can be slided by pilot hole 37 along guide post 36.This structure can play To the guiding role of supporting plate 39, avoid generating 42 service life of second spring reduction caused by deflection in 39 moving process of supporting plate.
The intermittent water inflow method that the present invention uses can make the frequent waterflooding of level-one continuous filter B, frequently fall dry, the second filter material layer Adsorption reaction and microbiological oxidation decomposition, nitration reaction periodically occurs, organic matter and ammonia nitrogen is made to be effectively removed；Using point Duan Jinshui improves the denitrification efficiency of the first filter layer；Nitrification tank C between level-one continuous filter B and two level continuous filter D, can be right Sewage carries out reinforcing nitrification, and auxiliary improves the problem that nitrification efficiency is low caused by natural reaeration scarce capacity.
Bottom plate 13 of the present invention is convenient to be dismantled and connect with filler ring 45, is cleared up bottom plate 13 and is safeguarded to facilitate.Bottom When plate 13 is installed, then mounting plate 40 is put into mounting groove 32 and pushes supporting plate 39, fixed link 30 is made to drive the first rack 25 It moves down, so that the first bevel gear 24 is driven the rotation of the second bevel gear 43 by first gear 26, second gear 23 is with the second umbrella Gear 43 rotates, and the second rack 27 is made to overcome the elastic force of third spring 29, limiting plate 28 is released out of sliding slot 44, and be allowed to position It is on rectangular guide rod 35 since limiting plate 28 is located at section, limiting plate 28 can not rotate, limiting plate on mounting plate 40 28 are stuck in mounting plate 40 in mounting groove 32, to make bottom plate 13 conveniently be fixed on filler ring 45, avoid shaking, and dismantle bottom plate 13 When, push wheel shaft 21 that the first bevel gear 24 is made to be detached from the second bevel gear 43, to make limiting plate 28 in the elastic force of third spring 29 It is returned under effect in sliding slot 44, to enable mounting plate 40 to be detached from mounting groove 32, facilitates and dismantle bottom plate 13 from filler ring 45. After disengaging, the pulling of wheel shaft 21 is returned into original position, the first bevel gear 24 is made to be engaged with the second bevel gear 43.One end of wheel shaft 21 is stretched out Filler ring 45 and side plate 1 simultaneously install baffle 33, resetting spring 34 are installed between 1 outer wall of baffle 33 and side plate, resetting spring 34 is to the The power that one bevel gear 24 is moved to the second bevel gear 43 always, when avoiding bevel-gear rotating, the first bevel gear 24 is detached from the second umbrella Gear 43.

Claims (8)

1. treatment tank is arranged in a kind of processing method of sanitary sewage containing ammonia nitrogen in high density, it is characterised in that：By sewage disposal Pond is separated out pretreatment pool A, level-one continuous filter B, nitrification tank C, two level continuous filter D and clear water reserviors E successively；Processing step is as follows：
1. the sewage containing ammonia nitrogen in high density is introduced pretreatment pool A, with pump（2）Pretreated sewage is pumped into level-one diafiltration The first water collector is arranged by bottom to top in pond B, level-one continuous filter B（7）, the first filter material layer（6）, the first water distributor（5）, second Filter material layer（4）With the second water distributor（3）, the first filter material layer（6）It is the mixture of anthracite 30% and gangue 70%, grain size is 1.5-2.5mm accounts for 55%-65%, and material diameter 3-3.5mm accounts for 35%-45%, the first filter material layer（6）Thickness be 30-40cm, the second filtrate Layer（4）Be river sand 20%, clinker 15%, zeolite 37%, quartz sand 20% and magnetic iron ore 8% mixture, the wherein grain of magnetic iron ore Diameter is 0.5-1.5mm, and the grain size of zeolite is 2-3.5mm, the second filter material layer（4）Thickness be 50-80cm, the first water collector（7） Water outlet be located in nitrification tank C；
2. the second water distributor（3）Pass through the first water collector (7), nitrification tank C and third water distributor after water distribution（9）By level-one continuous filter B treated water introduces the two level continuous filter bottoms D, third water distributor（9）Import communicated with nitrification tank C, third water distributor（9） Third filter material layer is arranged in top（10）, alloy purification device is located at third filter material layer（10）Top, alloy purification device be arranged bottom plate （13）And upper plate（14）, bottom plate（13）And upper plate（14）Length direction both ends respectively with starting stave（15）With the second riser （47）Connection, bottom plate（13）And upper plate（14）Between installation number row rotation silk（17）, it is staggered per two rows of rotation silks, bottom plate（13）On Open up several first through hole（46）, upper plate（14）On open up several second through-holes（19）, each first through hole（46）It is logical with second Hole（19）Center line between installation rotation silk, alloy purification device be mounted on filler ring（45）On, filler ring is mounted in the D of two level continuous filter On wall, filler ring（45）Inside open up mounting groove（32）, mounting groove（32）Interior setting supporting plate（39）, supporting plate（39）With mounting groove（32）Bottom Second spring is installed between wall（42）, bottom passes through connecting pole（41）Connection plate（40）, connecting pole（41）Diameter is less than peace Loading board（40）Width, mounting plate（40）Positioned at mounting groove（32）It is interior, filler ring（45）Inside open up fixing groove（22）, supporting plate（39）On L-shaped fixed link is installed（30）One end, fixed link（30）Positioned at corresponding fixing groove（22）It is interior, fixed link（30）The other end Connect the first rack（25）, fixing groove（22）Interior intermeshing first bevel gear of installation（24）With the second bevel gear（43）, the One bevel gear（24）Upper installation first gear（26）, the first rack（25）With first gear（26）Engagement, the first bevel gear（24） Upper installation wheel shaft（21）, wheel shaft（21）One end stretch out filler ring（45）And side plate（1）And baffle is installed（33）, baffle（33）With side Plate（1）Between resetting spring is installed（34）, push wheel shaft（21）It can make the first bevel gear（24）It is detached from the second bevel gear（43）, Second bevel gear（43）Upper installation second gear（23）, second gear（23）The second rack of upper engagement（27）, filler ring（45）Inside open If sliding slot（44）, sliding slot（44）With mounting groove（32）It communicates, sliding slot（44）Positioned at bottom plate（13）With mounting plate（40）Between, sliding slot （44）Interior setting limiting plate（28）, limiting plate（28）Upper cooperation installation section is rectangular guide rod（35）, limiting plate（28）With Two racks（27）It touches, guide rod（35）Upper installation third riser（31）, limiting plate（28）With third riser（31）Between install Three springs（29）, the second rack（27）Limiting plate can be pushed（28）Along guide rod（35）It is moved to mounting groove（32）It is interior, the second collection Hydrophone（11）It is arranged above alloy purification device, the second water collector（11）Water inlet is located at two level continuous filter D, the second water collector （11）Water outlet and siphon drainage pipe（18）Connection, siphon drainage pipe（18）Water outlet is located at clear water reserviors E, in clear water reserviors E Clear water is discharged by drainpipe.
2. a kind of processing method of sanitary sewage containing ammonia nitrogen in high density according to claim 1, it is characterised in that：Using electricity The control of magnetic metering valve enters the inflow in the B of level-one continuous filter, and inflow can make siphon drainage pipe work with two level continuous filter D On the basis of.
3. a kind of processing method of sanitary sewage containing ammonia nitrogen in high density according to claim 1, it is characterised in that：Step is 1. In pump（2）Discontinuous operation makes level-one continuous filter B be in the water inlet phase and two kinds of working conditions of phase of not intaking, and is percolated into level-one The 50% of the total Water of pond B enters the second water distributor（3）, the 20% of total Water enters the first water distributor（5）, 25% of total Water In the first filter material layer（6）It is interior.
4. a kind of processing method of sanitary sewage containing ammonia nitrogen in high density according to claim 1, it is characterised in that：Step is 2. Described in alloy purification device by weight by copper 41%, zinc 32% and silver 27% mixture be made.
5. a kind of processing method of sanitary sewage containing ammonia nitrogen in high density according to claim 4, it is characterised in that：Revolve silk （17）Cross section be eight angular, each corner angle outermost end apart revolves silk（17）Distance between cross-section center line is 2- 2.5mm revolves silk（17）Length be 15-20cm.
6. a kind of processing method of sanitary sewage containing ammonia nitrogen in high density according to claim 1, it is characterised in that：Step is 1. Described in the first filter material layer（6）The grain size of mixture is that 1.8mm accounts for 60%, and grain size accounts for 40% for 3mm's.
7. a kind of processing method of sanitary sewage containing ammonia nitrogen in high density according to claim 3, it is characterised in that：Level-one is oozed The water inlet phase of filter tank B and the change-over period for phase of not intaking are 5.5-6.5 hours.
8. a kind of processing method of sanitary sewage containing ammonia nitrogen in high density described in claim 1, it is characterised in that：The supporting plate （39）On open up several pilot holes（37）, mounting groove（32）Several guide posts are installed on bottom wall（36）, guide post（36）Positioned at leading Xiang Kong（37）It is interior, supporting plate（39）Pilot hole can be passed through（37）Along guide post（36）Sliding.
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JP3519031B2 (en) * 1999-12-27 2004-04-12 タチバナペーパーウェアー株式会社 Purification equipment for treated effluent
CN1579967B (en) * 2003-08-17 2010-04-21 邹振生 Integrated urban waste water treating apparatus and process
CN101880108B (en) * 2010-06-18 2012-09-19 河南蓝森环保科技有限公司 Integrated device for performing advanced denitrification treatment on domestic sewage by self-oxygenating fixed bed
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