CN207525037U - One kind recycles high strength ammonia water system from ammonia nitrogen waste water - Google Patents
One kind recycles high strength ammonia water system from ammonia nitrogen waste water Download PDFInfo
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- CN207525037U CN207525037U CN201721129598.XU CN201721129598U CN207525037U CN 207525037 U CN207525037 U CN 207525037U CN 201721129598 U CN201721129598 U CN 201721129598U CN 207525037 U CN207525037 U CN 207525037U
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- reaction kettle
- waste water
- ammonia nitrogen
- ammonolysis reaction
- nitrogen waste
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Abstract
The utility model is related to a kind of waste water treatment systems, and high strength ammonia water system is recycled from ammonia nitrogen waste water more particularly, to one kind.Its ammonia nitrogen waste water treatment method mainly solved present in the prior art is not involved with the comprehensive utilization of material, be easy to cause the transfer of pollutant, forms the technical issues of secondary pollution etc..The utility model includes the collecting pit of storage ammonia nitrogen waste water, collecting pit passes through delivery pump, pipeline is connected with ammonolysis reaction kettle, agitating paddle is equipped in ammonolysis reaction kettle, ammonolysis reaction kettle is internally provided with aerator, aerator is connected with Aeration fan, the wastewater outlet of ammonolysis reaction kettle is connected with crystallization apparatus, crystallization apparatus connects sulfuric acid high position tank, the waste gas outlet connection deamination device of ammonolysis reaction kettle, deamination device connects condensing unit, condensing unit lower part connects ammonium hydroxide basin, the middle part connection absorption tower of condensing unit, packing layer is equipped in absorption tower, emptying chimney is connected at the top of absorption tower.
Description
Technical field
The utility model is related to a kind of waste water treatment systems, and high strength ammonia is recycled from ammonia nitrogen waste water more particularly, to one kind
Water system.
Background technology
Industrial production：Chemical industry, metallurgy, pharmacy, chemical fertilizer, electronics, food, leather, garbage loading embeading and part production in light industry
A large amount of high-concentration ammonia nitrogenous wastewaters are generated in the process, and ammonia nitrogen waste water is discharged into water body and not only causes body eutrophication, but also increase
The difficulty and cost of Water purification in addition to crowd and biology generate toxic action.Such as industrially prepared magnesium salts process, ore extraction
A large amount of ammonia nitrogen waste water is generated during extraction transition element metal or rare earth elemental metals etc..The existing comprehensive utilization of ammonia nitrogen waste water
Method mainly receives to obtain ammonium sulfate or ammonium chloride by stripping or evaporation and concentration, crystallisation by cooling, but processing procedure energy consumption is high, ammonium sulfate
Or ammonium chloride added value is low.Chinese patent discloses a kind of integrated conduct method of high-concentration ammonia nitrogenous wastewater（Publication number：
CN106946420A）, waste water first passes around grid and enters regulating reservoir, and mechanical stirring device is set in regulating reservoir makes waste water mixing equal
It is even, and enter aeration stripping tower after adjusting pH to 10-12；The water outlet of aeration stripping tower enters neutralization pond, neutralization pond tune pH to 5.5-8.5
Enter ozone reaction pond afterwards, bromide is added in ozone reaction pond and is reacted；The water outlet of ozone reaction pond enters sedimentation basin, sinks
Shallow lake pond supernatant sequentially enters the biochemical treatment system of biological activated carbon fluid bed and membrane bioreactor, and bio-chemical effluent entered
Standard discharge or reuse after the processing of filter tank.It is one kind in quick lime, white lime, sodium hydroxide to adjust the alkali used in pH, used
Acid is sulfuric acid, one kind of hydrochloric acid, nitric acid；The alkali or acid are the solution that mass concentration is 5-30%；Aeration stripping top of tower fills
There is liquid distribution trough, bottom is equipped with wind turbine and aerator, and tower body is equipped with filler, and filler is PP Pall rings, corrugated plating, wooden lattice
The combination of one or more of plate, paper honeycomb, Raschig ring, polyhedron empty ball；The ozone yield in ozone reaction pond is
200-500g/L；Bromide is potassium bromide, one kind in sodium bromide, barium bromide, magnesium bromide, manganous bromide, the addition of bromide
Mass ratio with ammonia nitrogen is 6-9：1；Activated carbon, sand, anthracite, one kind in zeolite or two are added in biological activated carbon fluid bed
Kind any of the above combination makees filler and as biofilm carrier；The fixing fabric structure of gas water exists in biological activated carbon fluidized-bed process
2-7：Between 1, pH value is controlled between 7-9, and hydraulic detention time was controlled between 3-12 hours；Membrane biological reactor process
The volume ratio of gas water is controlled in 5-25：Between 1, dissolved oxygen is in more than 3mg/L, and hydraulic detention time is between 3-12 hours.But
Be this processing method be to pollutant carry out end treatment, reach related discharge standard, be not involved with material
Comprehensive utilization be easy to cause the transfer of pollutant, forms secondary pollution.
Utility model content
The utility model is to provide one kind and high strength ammonia water system is recycled from ammonia nitrogen waste water, mainly solves existing skill
Ammonia nitrogen waste water treatment method present in art is not involved with the comprehensive utilization of material, be easy to cause the transfer of pollutant, is formed
The technical issues of secondary pollution etc..
The above-mentioned technical problem of the utility model is mainly what is be addressed by following technical proposals：
One kind of the utility model recycles high strength ammonia water system from ammonia nitrogen waste water, the collection including storing ammonia nitrogen waste water
Pond, the collecting pit are connected with ammonolysis reaction kettle by delivery pump, pipeline, are equipped with agitating paddle in ammonolysis reaction kettle, ammonolysis is anti-
The aerator that is internally provided with of kettle is answered, aerator is connected with Aeration fan, and the wastewater outlet of ammonolysis reaction kettle is connected with crystallization
Device, crystallization apparatus connection sulfuric acid high position tank, the waste gas outlet connection deamination device of ammonolysis reaction kettle, deamination device connection condensation dress
It puts, condensing unit lower part connection ammonium hydroxide basin, the middle part connection absorption tower of condensing unit, is equipped with packing layer in absorption tower, absorbs
Top of tower is connected with emptying chimney.
More straight tube patterns or straight tube+branch pipe, porous ring-pipe type formula can be used in aerator, and stomata interval takes 2-70cm.Root
According to solution residual ammonia nitrogen concentration index height in ammonolysis reaction kettle, aeration stripping can be carried out when necessary, stripping gas is inhaled through filler
It receives tower to absorb, a small amount of dilute ammonia solution can high concentration ammonium hydroxide be made in concentrate to ammonia device again back off.Deamination device tower diameter 0.1-3.0m, it is preferred
0.2-2.0m.The alkalinous metals oxidation such as metal oxide first choice magnesia, calcium oxide in ammonia nitrogen waste water processing recycling ammonium hydroxide technique
Object.
The utility model is using compound hinged joint paddle agitating paddle, leafy unlatching vane wheel oar, disc turbine paddle, screw rod ribbon paddle
Etc. the monotype multilayer of new type agitation oars or many types of multiple layer combination pattern, it is ensured that good heat transfer, mass transfer, dispersion effect, reaction
Cycle time 30-70%, improved efficiency 20-60%.
The equipment inner surface such as crystallization apparatus, ammonolysis reaction kettle, deamination device contact surface introduces coating composite material technology, resistance to
Warm, corrosion-resistant, crystalline solid is not easy to stick, and solves the technical barrier of frequent maintenance in the chemical processes such as rectifying, crystallization.
Preferably, being equipped with conveyer belt at the material inlet of the ammonolysis reaction kettle, the conveyer belt other end is equipped with oxidation
Material bin.
Preferably, the packing layer on the absorption tower uses haydite and light plastic filler combination, because of haydite internal junction
Structure is in being pellet porous micropore, and strong to gas absorption power, the cooperation plastic filler that porosity is big, mass-transfer efficiency is high, efficiency is than single
Filler promotes 10-50%.
Preferably, the agitating paddle is multilayer, a plurality of water conservancy diversion fin being arranged in parallel is equipped with the paddle of agitating paddle,
The both sides of water conservancy diversion fin are fixed with stirring strut, are equipped with diversion trench between adjacent two water conservancy diversion fins, diversion trench is internally provided with spiral shell
Revolve fin.Water conservancy diversion fin and diversion trench on agitating paddle are set, can allow fluid to form eddy flow in stirring, in this way can
Ensure being sufficiently mixed between each material, eddy flow can be further formed by spiral ridge.Stirring strut can be by particulate matter
It breaks up.And existing agitating paddle is all designed for smooth surface.
Preferably, the both sides of the conveyer belt are designed with tooth socket, tooth socket contact has gear, and gear is connected by bull stick
There is the loose metal bar in divergence form distribution, loose metal bar is reached above conveyer belt.Conveyer belt during exercise, can be rotated with moving gear,
Loose metal bar can be driven to rotate by bull stick in this way, so as to be loosened to oxidation material, prevent it from generating caking.
Therefore, the utility model, to polluting source resolution, by recycling ammonium hydroxide, provides a kind of suitable from production technology
Ying Xingguang, efficient, economy, non-secondary pollution ammonia nitrogen waste water processing and the technique recycled.Using metal oxide（Oxidation
Magnesium, calcium oxide etc.）With ammonia nitrogen waste water（Ammonium salt, ammonium sulfate, ammonium chloride etc.）It reacts, ammonia is discharged in reaction process（Ammonium hydroxide）, return
Ammonium hydroxide is received, crystallization salt or the salt crystalloid with the crystallization water is made in solution.Treatment process is at low cost, and product added value height,
It can recycle, no outer draining, vapour etc. do not cause secondary pollution.
Description of the drawings
Attached drawing 1 is a kind of structure diagram of the utility model；
Attached drawing 2 is a kind of structure diagram of the utility model agitating paddle；
Attached drawing 3 is the A-A cross-sectional views of Fig. 2；
Attached drawing 4 is a kind of structure diagram of the utility model conveyer belt.
Parts, position and number in figure：Collecting pit 1, delivery pump 2, ammonolysis reaction kettle 3, agitating paddle 4, aerator 5,
Aeration fan 6, crystallization apparatus 7, sulfuric acid high position tank 8, deamination device 9, condensing unit 10, ammonium hydroxide basin 11, absorption tower 12, packing layer
13rd, chimney 14, conveyer belt 15, oxide feed bin 16, water conservancy diversion fin 17, stirring strut 18, diversion trench 19, spiral ridge are emptied
20th, tooth socket 21, gear 22, bull stick 23, loose metal bar 24.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment：One kind of this example recycles high strength ammonia water system from ammonia nitrogen waste water, and such as Fig. 1 gives up including storage ammonia nitrogen
The collecting pit 1 of water, collecting pit are connected with ammonolysis reaction kettle 3 by delivery pump 2, pipeline, agitating paddle 4 are equipped in ammonolysis reaction kettle,
Ammonolysis reaction kettle is internally provided with aerator 5, and aerator is connected with Aeration fan 6, and the wastewater outlet of ammonolysis reaction kettle connects
It is connected to crystallization apparatus 7, crystallization apparatus connection sulfuric acid high position tank 8, the waste gas outlet connection deamination device 9 of ammonolysis reaction kettle, deamination device
Connect condensing unit 10, condensing unit lower part connection ammonium hydroxide basin 11, the middle part connection absorption tower 12 of condensing unit, in absorption tower
Equipped with packing layer 13, emptying chimney 14 is connected at the top of absorption tower.Conveyer belt 15 is equipped at the material inlet of ammonolysis reaction kettle, is passed
The band other end is sent to be equipped with oxide feed bin 16.The packing layer on absorption tower is using haydite and light plastic filler combination.Such as Fig. 2, figure
3, agitating paddle 4 is multilayer, is equipped with a plurality of water conservancy diversion fin 17 being arranged in parallel with the paddle of agitating paddle, the both sides of water conservancy diversion fin are fixed
There is stirring strut 18, be equipped with diversion trench 19 between adjacent two water conservancy diversion fins, diversion trench is internally provided with spiral ridge 20.Such as Fig. 4,
The both sides of conveyer belt are designed with tooth socket 21, and tooth socket contact has gear 22, and gear is connected with what is be distributed in divergence form by bull stick 23
Loose metal bar 24, loose metal bar are reached above conveyer belt.
In use, ammonia nitrogen waste water is passed into from collecting pit 1 in ammonolysis reaction kettle 3, ammonolysis reaction kettle is passed through MgO, ammonium simultaneously
Salt is reacted, the NH after displacement is reacted4 +It is converted into NH3（Rich band moisture）Effusion, into deamination device 9, according to anti-to ammonolysis
Solution residual ammonia nitrogen concentration index height, aerator 5 in kettle is answered to carry out aeration stripping, stripping gas is absorbed through absorption tower 12.It is de-
Liquid after ammonia enters condensing unit 10 and is condensed, and finally obtains ammonium hydroxide and enters ammonium hydroxide basin 11.
Structure feature the foregoing is merely specific embodiment of the utility model, but the utility model is not limited to
This, any those skilled in the art in the field of the utility model, all cover in this practicality newly by the variation or modification made
Among the scope of the claims of type.
Claims (5)
1. one kind recycles high strength ammonia water system from ammonia nitrogen waste water, the collecting pit including storing ammonia nitrogen waste water（1）, feature exists
In the collecting pit（1）Pass through delivery pump（2）, pipeline be connected with ammonolysis reaction kettle（3）, ammonolysis reaction kettle is interior to be equipped with agitating paddle
（4）, ammonolysis reaction kettle is internally provided with aerator（5）, aerator is connected with Aeration fan（6）, ammonolysis reaction kettle it is useless
Water out is connected with crystallization apparatus（7）, crystallization apparatus connection sulfuric acid high position tank（8）, the waste gas outlet of ammonolysis reaction kettle, which connects, to be taken off
Ammonia device（9）, deamination device connection condensing unit（10）, condensing unit lower part connection ammonium hydroxide basin（11）, connect in the middle part of condensing unit
Connect absorption tower（12）, packing layer is equipped in absorption tower（13）, absorption tower top is connected with emptying chimney（14）.
2. one kind according to claim 1 recycles high strength ammonia water system from ammonia nitrogen waste water, it is characterised in that described
Ammonolysis reaction kettle（3）Material inlet at be equipped with conveyer belt（15）, the conveyer belt other end is equipped with oxide feed bin（16）.
3. one kind according to claim 1 or 2 recycles high strength ammonia water system from ammonia nitrogen waste water, it is characterised in that described
Absorption tower（12）Packing layer（13）Using haydite and light plastic filler combination.
4. one kind according to claim 1 or 2 recycles high strength ammonia water system from ammonia nitrogen waste water, it is characterised in that described
Agitating paddle（4）For multilayer, the paddle of agitating paddle is equipped with a plurality of water conservancy diversion fin being arranged in parallel with it（17）, the both sides of water conservancy diversion fin
It is fixed with stirring strut（18）, diversion trench is equipped between adjacent two water conservancy diversion fins（19）, diversion trench is internally provided with spiral ridge
（20）.
5. one kind according to claim 2 recycles high strength ammonia water system from ammonia nitrogen waste water, it is characterised in that described
Conveyer belt（15）Both sides be designed with tooth socket（21）, tooth socket, which contacts, gear（22）, gear passes through bull stick（23）It is connected in hair
Dissipate the loose metal bar of type distribution（24）, loose metal bar reached above conveyer belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721129598.XU CN207525037U (en) | 2017-09-05 | 2017-09-05 | One kind recycles high strength ammonia water system from ammonia nitrogen waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721129598.XU CN207525037U (en) | 2017-09-05 | 2017-09-05 | One kind recycles high strength ammonia water system from ammonia nitrogen waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207525037U true CN207525037U (en) | 2018-06-22 |
Family
ID=62575151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721129598.XU Expired - Fee Related CN207525037U (en) | 2017-09-05 | 2017-09-05 | One kind recycles high strength ammonia water system from ammonia nitrogen waste water |
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| Country | Link |
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| CN (1) | CN207525037U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107434291A (en) * | 2017-09-05 | 2017-12-05 | 浙江南化防腐设备有限公司 | One kind reclaims high strength ammonia water system from ammonia nitrogen waste water |
-
2017
- 2017-09-05 CN CN201721129598.XU patent/CN207525037U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107434291A (en) * | 2017-09-05 | 2017-12-05 | 浙江南化防腐设备有限公司 | One kind reclaims high strength ammonia water system from ammonia nitrogen waste water |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20200905 |