CN208684507U - It is a kind of for handling the disinfection nitrogen rejection facility of landfill leachate - Google Patents
It is a kind of for handling the disinfection nitrogen rejection facility of landfill leachate Download PDFInfo
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- CN208684507U CN208684507U CN201820781895.0U CN201820781895U CN208684507U CN 208684507 U CN208684507 U CN 208684507U CN 201820781895 U CN201820781895 U CN 201820781895U CN 208684507 U CN208684507 U CN 208684507U
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- disinfection
- reactive tank
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- landfill leachate
- storing barrel
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Abstract
The utility model discloses a kind of for handling the disinfection nitrogen rejection facility of landfill leachate, including liquid storing barrel, reactive tank, collecting tank, medicament addition device, the level height of the liquid storing barrel is higher than the level height of reactive tank, the liquid storing barrel and reactive tank pass through pipeline and circulating pump A formation waterway circulating, the reactive tank is connect by air pump with collecting tank, the top connection of the medicament addition device and reactive tank.The mountable rear end in conventional garbage percolate treatment plant of the utility model; carry out disinfection denitrogenation before sewage discharge; further decrease Cod value, the ammonia nitrogen value, coloration of sewage; guarantee that sewage meets row's method standard of country; the present apparatus can absorb the chlorine of the generation during hypochlorite disinfectant simultaneously, prevents chlorine pollution ambient enviroment, and be used for sewage treatment after chlorine being converted to generation sodium hypochlorite; environment is protected, the cost of enterprise is reduced.
Description
Technical field
The utility model belongs to field of sewage treatment equipment more particularly to a kind of disinfection for handling landfill leachate is de-
Nitrogen device.
Background technique
Landfill leachate is product of the liquid in landfill yard gravity flowing, is mainly derived from including for precipitation and rubbish itself
Water is a kind of difficult organic wastewater of the high concentration that complicated component is changeable, is directly discharged into environment if untreated, not only can be dirty
Contaminate surface water and soil, or even can polluted drinking water source, crops, aquatic animal etc., it is therefore necessary to landfill leachate into
Row processing.Landfill leachate water quality is complicated and changeable, and pH value is between 4-9, and COD is within the scope of 20 00-62000mg/L, BOD5
It from 60-45000mg/L, is extremely difficult to require using single bioremediation, generallys use land law, physico-chemical process, biology
A variety of method integrated treatments such as method, after most for the treatment of process all use pretreatment anaerobic-aerobic biological treatment both at home and abroad at present
The group technology of reason, which can be effectively reduced BOD, COD and ammonia nitrogen in water, but ammonia nitrogen is dense in landfill leachate
Degree is high, will lead to carbon source deficiency, and nutritive proportion imbalance inhibits the activity of microorganism in biochemical treatment, causes at landfill leachate
CO D, the removal rate of total nitrogen be not high in reason, while this method needs larger place, is unfavorable for the enlarging of sewage treatment plant.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of disinfection denitrogenation dress for handling landfill leachate
It sets, can solve the problem of prior art is to landfill leachate treatment unstable quality.
The utility model is achieved by the following technical programs.
It is provided by the utility model a kind of for handling the disinfection nitrogen rejection facility of landfill leachate, including liquid storing barrel, reaction
The level height of slot, collecting tank, medicament addition device, the liquid storing barrel is higher than the level height of reactive tank, the liquid storing barrel and
Reactive tank forms waterway circulating by pipeline and circulating pump A, and the reactive tank is connect by air pump with collecting tank, and the medicament is thrown
The connection of the top of feeder apparatus and reactive tank.
The collecting tank is equipped with circulating pump B, and the inlet and outlet of circulating pump B are separately connected lower part and the receipts of collecting tank
Collect the top of slot.
The circulating pump B is connect by valve with reactive tank.
The medicament addition device is hypochlorite generator.
Online pH detector is equipped in the collecting tank.
The liquid storing barrel, reactive tank, collecting tank interior outside be equipped with polytetrafluoroethylene (PTFE) protective layer.
The liquid storing barrel top is equipped with sewage inlet, and liquid storing barrel lower part is equipped with sewage effluent.
The collecting tank is provided with the sodium hydroxide solution that concentration is 1% to 3%.
The utility model has the beneficial effects that: the mountable rear end in conventional garbage percolate treatment plant, is arranged in sewage
Carry out disinfection denitrogenation before putting, and further decreases Cod value, the ammonia nitrogen value, coloration of sewage, guarantees that sewage meets row's method mark of country
Standard, while the present apparatus can absorb the chlorine of the generation during hypochlorite disinfectant, prevents chlorine pollution ambient enviroment, and can be with
Chlorine is converted and is used for sewage treatment after generating sodium hypochlorite, environment is protected, reduces the cost of enterprise.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure: 1- liquid storing barrel, 2- reactive tank, 3- collecting tank, 4- medicament addition device, 5- sewage inlet, 6- sewage row
The mouth of a river, 7- circulating pump A, 8- circulating pump B, 9- air pump, 10- valve
Specific embodiment
Be described further below the technical solution of the utility model, but claimed range be not limited to it is described.
As shown in Figure 1, a kind of for handling the disinfection nitrogen rejection facility of landfill leachate, including liquid storing barrel 1, reactive tank 2, receipts
Collect slot 3, medicament addition device 4, the level height of the liquid storing barrel 1 is higher than the level height of reactive tank 2,1 He of liquid storing barrel
Reactive tank 2 forms waterway circulating by pipeline and circulating pump A7, and the reactive tank 2 is connect by air pump 9 with collecting tank 3, described
Medicament addition device 4 is connect with the top of reactive tank 2.
Landfill leachate water quality is complicated and changeable, pH value between 4-9, COD within the scope of 2000-620 00mg/L,
BOD5 is from 60-45000mg/L, when being handled, if the water quality of landfill leachate is deteriorated suddenly, is easy to cause that treated
Sewage quality is not still up to standard, and the present apparatus is mounted on the rear end of conventional garbage percolate treatment plant, passes through sewage before sewage discharge
Water inlet 5 enters in liquid storing barrel 1, and the level height of liquid storing barrel 1 is higher than the level height of reactive tank 2, and sewage is flowed by gravity
In reactive tank 2, medicament addition device 4 controls the additive amount of sodium hypochlorite according to the amount of sewage and the concentration of pollutant, benefit
With the strong oxidizing property of sodium hypochlorite, before sewage discharge, then once sterilizing is carried out, sodium hypochlorite can effectively reduce sewage
Cod value, ammonia nitrogen value, coloration, make its indices meet the emission request of GB16889-2008, are taken out sewage using circulating pump A7
It returns in liquid storing barrel 1, forms waterway circulating, sodium hypochlorite can be made to be uniformly dispersed in sewage in cyclic process, in liquid storing barrel 1
Sewage by disinfection, after indices meet the requirements, discharged online.
Sodium hypochlorite is easy to be influenced by light, heat and heavy metal ion in use, is easy to decomposite chlorine, is
It prevents chlorine to be diffused into atmosphere, air pump 9 is equipped on reactive tank 2, make to form negative pressure in reactive tank 2, and chlorine is pumped into
In collecting tank 3, collecting tank 3 is provided with 1% to 3% sodium hydroxide solution, and through circulating pump B8 constantly from collecting tank 3
Portion sprays into collecting tank 3, reacts with chlorine, generates sodium chloride and sodium hypochlorite, sodium hypochlorite under alkaline condition steady
Qualitative height can prevent sodium hypochlorite from decomposing again, after the concentration of sodium hypochlorite is stablized, open valve 10, will be in collecting tank 3
Solution be introduced into reactive tank 2, carry out recycling use, the production cost of enterprise can be reduced.
The collecting tank 3 is equipped with circulating pump B8, and the inlet and outlet of circulating pump B8 are separately connected the lower part of collecting tank 3
The sodium hydroxide solution of 3 lower part of collecting tank is pumped into 3 top of collecting tank after circulating pump B8 starting with the top of collecting tank 3,
And spray into collecting tank 3 downwards, the chlorine pumped with reactive tank 2 reacts, and generates sodium chloride and sodium hypochlorite, secondary chlorine
The stability of sour sodium under alkaline condition is high, can prevent sodium hypochlorite from decomposing again, after the concentration of sodium hypochlorite is stablized, beats
Solution in collecting tank 3 is introduced into reactive tank 2, carries out recycling use, can reduce the production cost of enterprise by valve opening door 10.
The circulating pump B8 is connect by valve 10 with reactive tank 2, after the concentration of sodium hypochlorite is stablized, opens valve
10, the solution in collecting tank 3 is introduced into reactive tank 2 by the pressure that can use circulating pump B8, is reacted with sewage.
The medicament addition device 4 is hypochlorite generator, and hypochlorite generator is raw materials for production using sodium chloride,
Sodium hypochlorite is produced by way of electrolysis, can reduce the cost of enterprise's purchase sodium chlorate, while avoiding sodium hypochlorite storage
The place that encounters when depositing, environment, security problems after sodium hydroxide solution absorbs chlorine, generate sodium chloride and sodium hypochlorite, secondary
Sodium chlorate generator can ask raw material by the solution, and electrolytically generated sodium hypochlorite after sodium chloride is added, can reduce the use of sodium chloride
Amount, saves the production cost of enterprise.
It is equipped with online pH detector in the collecting tank 3, for monitoring the pH value in collecting tank 3, collecting tank 3 collects chlorine
It is preceding to control pH value in 11-12, it is ensured that the absorption efficiency of chlorine, and avoid causing wave because sodium hydroxide is added excessive
Take, after monitoring pH reaches stable during collection chlorine, illustrates that the sodium hydroxide in solution has reacted, solution can be passed through instead
It answers in slot 2 or is added in hypochlorite generator after sodium chloride is added.
The liquid storing barrel 1, reactive tank 2, collecting tank 3 interior outside be equipped with polytetrafluoroethylene (PTFE) protective layer, due to hypochlorous acid
Sodium and chlorine all have strong oxidizing property, and outside sets polytetrafluoroethylene (PTFE) protective layer in equipment, equipment can be prevented to be corroded, and improve
The service life of equipment.
1 top of liquid storing barrel is equipped with sewage inlet 5, and 1 lower part of liquid storing barrel is equipped with sewage effluent 6, and sewage is from sewage
Water inlet 5 enters in liquid storing barrel 1, by circulating purification, after meeting discharge standard, is discharged from sewage effluent 6.
The collecting tank 3 is provided with the sodium hydroxide solution that concentration is 1% to 3%, sodium hydroxide and chlorine reaction, can be with
Sodium chloride and sodium hypochlorite are generated, sodium hypochlorite, which can send back to again in reactive tank 2, carries out disinfection to sewage, while hydroxide
For sodium solution in alkalinity, the stability of sodium hypochlorite under alkaline condition is high, can prevent sodium hypochlorite from decomposing.
Claims (8)
1. a kind of for handling the disinfection nitrogen rejection facility of landfill leachate, it is characterised in that: including liquid storing barrel (1), reactive tank
(2), the level height of collecting tank (3), medicament addition device (4), the liquid storing barrel (1) is higher than the level height of reactive tank (2)；
The liquid storing barrel (1) and reactive tank (2) pass through pipeline and circulating pump A (7) formation waterway circulating；The reactive tank (2) passes through gas
Pump (9) is connect with collecting tank (3)；The medicament addition device (4) connect with the top of reactive tank (2).
2. as described in claim 1 a kind of for handling the disinfection nitrogen rejection facility of landfill leachate, it is characterised in that: the receipts
Collect slot (3) and be equipped with circulating pump B (8), the inlet and outlet of circulating pump B (8) are separately connected lower part and the collection of collecting tank (3)
The top of slot (3).
3. as claimed in claim 2 a kind of for handling the disinfection nitrogen rejection facility of landfill leachate, it is characterised in that: described to follow
Ring pump B (8) is connect by valve (10) with reactive tank (2).
4. as described in claim 1 a kind of for handling the disinfection nitrogen rejection facility of landfill leachate, it is characterised in that: the medicine
Agent throwing device (4) is hypochlorite generator.
5. as described in claim 1 a kind of for handling the disinfection nitrogen rejection facility of landfill leachate, it is characterised in that: the receipts
Collect and is equipped with online pH detector in slot (3).
6. as described in claim 1 a kind of for handling the disinfection nitrogen rejection facility of landfill leachate, it is characterised in that: the storage
Liquid bucket (1), reactive tank (2), collecting tank (3) interior outside be equipped with polytetrafluoroethylene (PTFE) protective layer.
7. as described in claim 1 a kind of for handling the disinfection nitrogen rejection facility of landfill leachate, it is characterised in that: the storage
Liquid bucket (1) top is equipped with sewage inlet (5), and liquid storing barrel (1) lower part is equipped with sewage effluent (6).
8. as described in claim 1 a kind of for handling the disinfection nitrogen rejection facility of landfill leachate, it is characterised in that: the receipts
Collection slot (3) is provided with the sodium hydroxide solution that concentration is 1% to 3%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820781895.0U CN208684507U (en) | 2018-05-24 | 2018-05-24 | It is a kind of for handling the disinfection nitrogen rejection facility of landfill leachate |
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| CN201820781895.0U CN208684507U (en) | 2018-05-24 | 2018-05-24 | It is a kind of for handling the disinfection nitrogen rejection facility of landfill leachate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108557984A (en) * | 2018-05-24 | 2018-09-21 | 广西金圆环保科技有限公司 | A kind of disinfection nitrogen rejection facility for handling landfill leachate |
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2018
- 2018-05-24 CN CN201820781895.0U patent/CN208684507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108557984A (en) * | 2018-05-24 | 2018-09-21 | 广西金圆环保科技有限公司 | A kind of disinfection nitrogen rejection facility for handling landfill leachate |
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