CN206051682U - A kind of nitration denitrification denitrogenation bioreactor - Google Patents
A kind of nitration denitrification denitrogenation bioreactor Download PDFInfo
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- CN206051682U CN206051682U CN201621061111.4U CN201621061111U CN206051682U CN 206051682 U CN206051682 U CN 206051682U CN 201621061111 U CN201621061111 U CN 201621061111U CN 206051682 U CN206051682 U CN 206051682U
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- landfill
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Abstract
The utility model discloses a kind of nitration denitrification denitrogenation bioreactor, including：Landfill yard reactor, arranges rubbish packed layer, for carrying out initial breakdown to rubbish in which；Aerator, connects the landfill reactor, for providing the oxygen of aerobic nitrification reaction；Anaerobic reactor, the outlet of its connection landfill reactor, the percolate for flowing out to landfill reactor carry out anaerobic reaction；Header tank, its connection anaerobic reactor and landfill reactor, the header tank are used to store the percolate that the anaerobic reactor flows out；Wherein, the header tank also includes attemperating unit and liquid pump, and the attemperating unit is preheated to reaction temperature to percolate in header tank, and the percolate after preheating is pumped into landfill reactor by the liquid pump.Rubbish body is divided into aerobic, anoxia and anaerobic zone by reactor of the present utility model, realizes that percolate realizes denitrification denitrogenation in anaerobic zone, and ammonia nitrogen removal is more thorough after the nitrification of aerobic zone using leachate recirculation.
Description
Technical field
This utility model is related to field of environment engineering.More specifically, this utility model is related to a kind of nitration denitrification and oozes
Filtrate recharging landfill yard nitrogen rejection facility.
Background technology
The management of percolate in recent years has become the topmost problem of garbage loading embeading.Rich in ammonia nitrogen and other pollutant
Percolate easily causes secondary pollution to subsoil water, and the event of percolate leakage, harm environment and public health often has to be sent out
It is raw.The removal of ammonia nitrogen in landfill percolate, it is main to be realized by approach such as volatilization, denitrification and Anammoxs, in rubbish
Itrogenous organic substance decomposition and inversion generates ammonia nitrogen, and a part is utilized by microbial assimilation as ammonia nitrogen, and a part dissipates in a gaseous form
Send out.Remainder is oxidized to nitrate nitrogen and nitrite nitrogen under aerobic environment, is reduced to by denitrifying bacteria effect then
Nitrogen is removed.
Bioreactor landfill is a kind of new Sanitation Landfill Technology for Refuse, with waste stabilisation is accelerated, is reduced
The advantages of environmental pollution and percolate discharge capacity.But traditional anaerobic biological reactor landfill percolate recharge process occurs highly concentrated
Degree organic acid and the problem of ammonia nitrogen accumulation, therefore, denitrogenation-type Bioreactor landfill technology has become the focus of various countries' researcher.
Wherein, nitration denitrification technology in situ is a kind of conventional percolate denitrogenation technology, i.e., aerobic nitre in ammonia nitrogen Jing fields in percolate
After change is processed, nitrification leachate recirculation to refuse landfill upper strata, using the buring layer rich in organic matter as denitrification place reality
Existing denitrification denitrogenation.
Utility model content
This utility model purpose is to provide a kind of nitration denitrification denitrogenation bioreactor, by manual control junk-heap body
Rubbish body is divided into aerobic, anoxia and anaerobic zone by the oxygen content of middle zones of different, realizes aerobic zone nitre using leachate recirculation
After change, percolate realizes denitrification denitrogenation in anaerobic zone.
In order to realize according to these purposes of the present utility model and further advantage, there is provided a kind of nitration denitrification denitrogenation life
Thing reactor, including：
Landfill yard reactor, arranges rubbish packed layer, for carrying out initial breakdown to rubbish in which；
Aerator, its described landfill reactor of connection, for providing the oxygen of aerobic nitrification reaction；
Anaerobic reactor, the outlet of its connection landfill reactor, the percolate for flowing out to landfill reactor are carried out
Anaerobic reaction；
Header tank, its connection anaerobic reactor and landfill reactor, the header tank are used to store the anaerobic reactor
The percolate of outflow；
Wherein, the landfill yard reactor head opens up water inlet, and the header tank also includes attemperating unit and liquid pump,
The attemperating unit is preheated to reaction temperature to percolate in header tank, and the liquid pump is by the percolate after preheating from water inlet
It is pumped in landfill reactor.
Preferably, the anaerobic reactor is UASB anaerobic reactors.
Preferably, the anaerobic reactor also includes：
Three phase separator, which is arranged on the connecting pipeline of the anaerobic reactor and header tank, for anaerobic reaction
Percolate and gas that device is produced, solid biphase separated.
Preferably, the landfill yard reactor also includes：
Water-locator, which is arranged on the top of the landfill yard reactor, for being passed through water into landfill yard reactor；
First packed layer, which is laid in the top of the rubbish packed layer, for the liquid into landfill yard reactor
Filtered；
Second packed layer, which is laid in the bottom of the rubbish packed layer, for the diafiltration to flowing out landfill yard reactor
Liquid is filtered.
Preferably, also include：
On the connecting pipeline of landfill yard header tank, its described landfill reactor of setting and anaerobic reactor, fill out for collecting
The percolate that a reactor flows out is buried, and percolate is entered to the anaerobic reactor.
Preferably, the landfill yard reactor is welded using organic plastic plate.
This utility model at least includes following beneficial effect：1st, denitrification organisms reactor is by manual control junk-heap body
Rubbish body is divided into aerobic, anoxia and anaerobic zone by the oxygen content of middle zones of different, realizes aerobic zone nitre using leachate recirculation
After change, percolate realizes denitrification denitrogenation in anaerobic zone, and ammonia nitrogen removal is more thorough；2nd, denitrification organisms reactor can speed up rubbish
The stabilisation process of rubbish, the yield for reducing percolate and raising percolate performance, it is cost-effective.3rd, landfill yard reactor is by exposing
Device of air is passed through required amount of oxygen, accelerates aerobic degradation, shortens landfill yard garbage degradation stabilization time.
Part is embodied by further advantage of the present utility model, target and feature by description below, and part will also pass through
Research of the present utility model and practice are understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the structure chart of nitration denitrification denitrogenation bioreactor of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in further detail, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be appreciated that it is used herein such as " have ", "comprising" and " including " term do not allot one or many
The presence or addition of individual other elements or its combination.
Fig. 1 shows that according to a kind of way of realization of the present utility model nitration denitrification denitrogenation bioreactor includes：Fill out
Bury a reactor 110, anaerobic reactor 130, three phase separator 140 and UASB header tanks 150.
Landfill yard reactor 110 is diameter 40cm, the cylindrical reactor of high 100cm, and its inwall is coated with corrosion-inhibiting coating,
Gas sample mouth 111, water inlet 112 are opened up on the top cover of reactor, its bottom opens up outlet, and garbage crushing is big into 3cm
Landfill yard reactor 110 is poured into from top cover after little bulk, using formation rubbish packed layer, landfill yard reactor after gravitational compaction
110 pairs of rubbish packed layers carry out initial breakdown, and the gas for producing of degrading is sampled from gas sample mouth 111, rubbish packed layer
The percolate of generation is discharged from outlet；Aerator 117 includes air pump 118 and air robot effusion meter 119, aerator
117 bottoms for being fixedly mounted on the landfill yard reactor 110, the air intake of the bottom of its connection landfill yard reactor 110, profit
Landfill yard reactor 110 is pumped air into air pump 118, it is anti-that air robot effusion meter 119 is arranged on the connection landfill yard of air pump 118
Answer the air inflow that air can be measured on the pipeline of device 110；Wherein, it is when needing to accelerate aerobic nitrification reaction rate, artificial to connect
Air landfill reactor 110, air are carried out counter current contacting with rubbish packed layer by aerator 117 and landfill reactor 110,
Reaction occurs during oxygen is contacted with the ammonia and nitrogen organic in rubbish packed layer, enters 110 bottom of landfill yard reactor
Act charitably oxygen nitration reaction；
Anaerobic reactor 130 is enclosed type reactor, is provided with the sludge comprising granule sludge or floc sludge anti-in which
Anaerobic methanogens are rich in answering bed, granule sludge or floc sludge.130 side of anaerobic reactor is provided with sample tap 131, uses
In collection internal-response thing, by detecting that reactant carries out degree so as to judge reaction, air bleeding valve is opened up on its top surface, for arranging
Reacting gas is put, the side at the top of which opens up outlet, for discharging the percolate for having reacted；Anaerobic reactor 130
Bottom water inlet connects the outlet of landfill yard reactor 110 by pipeline, and the percolate that rubbish packed layer is produced is from outlet
Enter from 130 bottom of anaerobic reactor after discharge, percolate occurs in waste water and dirt upwardly through sludge reaction bed, anaerobic reaction
The process of mud reaction bed contact, completely percolate Jing outlets discharge anaerobic reactor 130 for reaction, and gas is from anaerobic reactor
130 air bleeding valve is discharged.
Header tank 150 includes header tank water inlet, header tank outlet, heater, attemperating unit and peristaltic pump 153, collection
Water tank inlet connects 130 outlet of anaerobic reactor by pipeline, and percolate in which is entered header tank 150；Attemperating unit
Including thermometer 151 and temperature controller 152, below 151 bottom of thermometer immersion percolate liquid level, the temperature of percolate is detected
Degree；Thermometer 151 transmits temperature data to temperature controller 152, and in temperature controller 152, whether PID controller control heater is carried out
Heating.The preheating temperature of percolate is set as 35 DEG C, when temperature controller 152 receives diafiltration liquid temp less than design temperature, its control
Heater processed is heated, and stops heating when temperature rises to 35 DEG C.Its connection anaerobic reactor and landfill reactor, it is described
Header tank is used to store the percolate that the anaerobic reactor flows out；Header tank outlet connects landfill yard reactor by pipeline
110 water inlet 112, needs the leachate recirculation after preheating to landfill yard reactor 110 according to experiment, and buring layer top is entered
Row anti-nitration reaction removes ammonia nitrogen；Wherein, peristaltic pump is installed on the pipeline of header tank outlet connection landfill yard reactor 110
153, peristaltic pump 153 is used for the recharge amount for controlling percolate.
In another embodiment, the anaerobic reactor 130 is UASB anaerobic reactors, and UASB anaerobic reactors are also known as liter
Flow anaerobic sludge bed method, which is divided into water replenishment, reaction zone from the bottom to top, is provided with sludge reaction bed in reaction zone, waste water by
UASB anaerobic reactors bottom enters, and flows upwards through sludge reaction bed, and it is anti-that percolate carries out anaerobism in sludge reaction bed
Gas should be produced, gas is discharged from air bleeding valve, and percolate is discharged from outlet, realizes the efficient anaerobic reaction of percolate.
In another embodiment, the UASB anaerobic reactors also include three phase separator 140, and which is arranged on the anaerobism
Between reactor and header tank, in the biogas produced under anaerobic state, the main component of biogas is first to most of Organic substance
Alkane and carbon dioxide, as the agitation of institute's aerogenesis body causes the circulation of inside, gas is attached on mud granule, adheres to sludge
Granule and the gas for not having attachment ascend into three phase separator 140 to reactor head, and three phase separator 140 will adhere to sludge
Granule is separated with biogas, is derived reactor Collection utilization by detached gas (biogas), is then returned by detached mud granule
Anaerobic reaction area is flowed, mud granule utilization rate is improved, accelerates reaction rate.
In another embodiment, the landfill yard reactor 110 also includes：
Water-locator 116 is arranged on the top of the landfill yard reactor 110, its connection feed pipe, for anti-to landfill yard
Answer in device 110 and be passed through water.Variable interval adds water to landfill yard reactor using water-locator 110, in simulating reality refuse landfill
Impact of the precipitation to reacting, makes reaction more level off to actual refuse landfill.
First packed layer 114 is sand packed layer, as shown in figure 1, sand is laid in the top of the rubbish packed layer, and
Sand packed layer is formed after being compacted, for filtering to the liquid into landfill yard reactor 110；
Second packed layer 115 is gravel-pack, as shown in figure 1, its single-size will be laid in after crushing by gravel filling out
Bury on the inner bottom surface of a reactor 110, and after being compacted, form gravel-pack, which is located under the rubbish packed layer
Portion, filters for the percolate to flowing out landfill yard reactor.
In another embodiment, the denitrification reactor also includes：Landfill yard header tank 120, its setting landfill are anti-
Answer on the connecting pipeline of device 110 and anaerobic reactor 130, for collecting and storing the percolate of landfill yard reactor outflow, and
Percolate is entered to the anaerobic reactor 130 by peristaltic pump 121, is easy to reaction to be carried out continuously.
In another embodiment, the landfill yard reactor 110 is welded using organic plastic plate, with firm, anticorrosion
Effect, save experimental cost.
A kind of process step of nitration denitrification denitrogenation bioreactor of the present utility model is as follows, true according to practical situation
Determine 110 size of landfill yard reactor, each component can also do corresponding Reasonable adjustment.After the completion of each structure manufacture, installed successively.
Organic substance in landfill waste is hydrolyzed first in landfill yard reactor 110 and carries out initial breakdown, and the then blowing of air pump 118 is carried out
Aerobic nitrification is reacted, and the product formed after reaction enters UASB reactors (11) methane phase by 115 percolate of gravel layer, oozes
Filtrate carries out header tank 150 is entered after three phase separation again by three phase separator 140, and header tank 150 carries out pre- to percolate
Its recharge to landfill yard reactor 110 is carried out anti-nitration reaction on buring layer top and removes ammonia using peristaltic pump 153 after heat
Nitrogen.
Although embodiment of the present utility model is disclosed as above, which is not restricted in description and embodiment
Listed utilization.It can be applied to various suitable fields of the present utility model completely.For those skilled in the art,
It is easily achieved other modification.Therefore under the general concept limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to and shown here as the legend with description with new.
Claims (6)
1. a kind of nitration denitrification denitrogenation bioreactor, it is characterised in that include：
Landfill yard reactor, arranges rubbish packed layer, for carrying out initial breakdown to rubbish in which；
Aerator, its described landfill reactor of connection, for providing the oxygen of aerobic nitrification reaction；
Anaerobic reactor, the outlet of its connection landfill reactor, the percolate for flowing out to landfill reactor carry out anaerobism
Reaction；
Header tank, its connection anaerobic reactor and landfill reactor, the header tank are used to store the anaerobic reactor outflow
Percolate；
Wherein, the landfill yard reactor head opens up water inlet, and the header tank also includes attemperating unit and liquid pump, described
Attemperating unit is preheated to reaction temperature to percolate in header tank, and the percolate after preheating is pumped into by the liquid pump from water inlet
To landfill reactor.
2. nitration denitrification denitrogenation bioreactor as claimed in claim 1, it is characterised in that the anaerobic reactor is
UASB anaerobic reactors.
3. nitration denitrification denitrogenation bioreactor as claimed in claim 1 or 2, it is characterised in that the anaerobic reactor
Also include：
Three phase separator, which is arranged on the connecting pipeline of the anaerobic reactor and header tank, for producing to anaerobic reactor
Raw percolate and gas, solid biphase separated.
4. nitration denitrification denitrogenation bioreactor as claimed in claim 3, it is characterised in that the landfill yard reactor is also
Including：
Water-locator, which is arranged on the top of the landfill yard reactor, for being passed through water into landfill yard reactor；
First packed layer, which is laid in the top of the rubbish packed layer, for carrying out to the liquid into landfill yard reactor
Filter；
Second packed layer, which is laid in the bottom of the rubbish packed layer, enters for the percolate to flowing out landfill yard reactor
Row is filtered.
5. nitration denitrification denitrogenation bioreactor as claimed in claim 4, it is characterised in that also include：
On the connecting pipeline of landfill yard header tank, its described landfill reactor of setting and anaerobic reactor, for collecting landfill yard
The percolate that reactor flows out, and percolate is entered to the anaerobic reactor.
6. nitration denitrification denitrogenation bioreactor as claimed in claim 4, it is characterised in that the landfill yard reactor is adopted
It is welded with organic plastic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621061111.4U CN206051682U (en) | 2016-09-18 | 2016-09-18 | A kind of nitration denitrification denitrogenation bioreactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621061111.4U CN206051682U (en) | 2016-09-18 | 2016-09-18 | A kind of nitration denitrification denitrogenation bioreactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206051682U true CN206051682U (en) | 2017-03-29 |
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ID=58370348
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621061111.4U Expired - Fee Related CN206051682U (en) | 2016-09-18 | 2016-09-18 | A kind of nitration denitrification denitrogenation bioreactor |
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| Country | Link |
|---|---|
| CN (1) | CN206051682U (en) |
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2016
- 2016-09-18 CN CN201621061111.4U patent/CN206051682U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20170918 |
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| CF01 | Termination of patent right due to non-payment of annual fee |