CN103803670B - Atomization-evaporation high-ammonia-and-nitrogen wastewater treatment system - Google Patents
Atomization-evaporation high-ammonia-and-nitrogen wastewater treatment system Download PDFInfo
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- CN103803670B CN103803670B CN201410069111.8A CN201410069111A CN103803670B CN 103803670 B CN103803670 B CN 103803670B CN 201410069111 A CN201410069111 A CN 201410069111A CN 103803670 B CN103803670 B CN 103803670B
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- ammonia
- nitrogen
- atomization
- nitrogen wastewater
- high ammonia
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
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Abstract
The invention discloses an atomization-evaporation high-ammonia-and-nitrogen wastewater treatment system which comprises an atomized evaporator, wherein the atomized evaporator comprises a high-ammonia-and-nitrogen wastewater inlet pipe, a base and balance weight, and an electric auto-control device; the high-ammonia-and-nitrogen wastewater inlet pipe is connected with a water pump; a bracket is arranged on the base and balance weight; a rotating shaft is arranged at the top end of the bracket; a motor is arranged on the rotating shaft; a wind wheel is arranged on an output shaft of the motor; the high-ammonia-and-nitrogen wastewater inlet pipe is connected to the wind wheel through a core part of the bracket; a cable of the electric auto-control device is connected to the motor through the core part of the bracket. An atomization-evaporation system is used for treating high-ammonia-and-nitrogen wastewater; the atomization-evaporation high-ammonia-and-nitrogen wastewater treatment system is simple in structure and easy to control, cannot be affected by the weather and is high in ammonia-and-nitrogen removal rate.
Description
Technical field
The present invention relates to a kind of high ammonia-nitrogen sewage treatment system, particularly relate to a kind of atomization and vaporization high ammonia-nitrogen sewage treatment system.
Background technology
At present, the high-concentration ammonia nitrogenous wastewater (ammonia nitrogen concentration is greater than 200mg/L) that coking industry, new high-tech material industry, chemical industry etc. produce becomes a difficult problem for wastewater treatment industry.High-concentration ammonia nitrogen waste water treatment method has physico-chemical process, biological denitrificaion method, materialization and biochemical integrated process etc. usually, and wherein physico-chemical process is mainly divided into blow-off method (stripping), ammonia still process method, MAP(struvite) precipitator method and chemical oxidization method.Stripping, air-extraction pass in water by gas (carrier gas), makes it mutually fully contact, makes ammonia nitrogen in water through liquid-gas interface, form ammonia and shift to gas phase, thus reach the object removing pollutent.Conventional air or water vapor do carrier gas, and the former is called stripping, and the latter is called air lift.Ammonia still process method adopts thermal source to adding thermal distillation containing high ammonia-nitrogen wastewater, thus reach ammonia nitrogen and form the method that ammonia overflows from waste water.MAP(struvite) precipitator method point to containing adding Mg in high ammonia-nitrogen wastewater
2+and phosphoric acid salt, reaction generates the magnesium ammonium phosphate (MgNH of indissoluble
4pO
46H
2o, is commonly called as struvite, English name struvite [magnesium ammoniumphosphate], is called for short MAP) precipitation, thus the object of the phosphoric acid salt reached in removal waste water and ammonia nitrogen.What biological denitrification process adopted usually is traditional aerobic or anaerobic process, but comparatively effective when this is only less than 200mg/L to the general ammonia nitrogen concentration of lower concentration.When ammonia nitrogen is greater than 200mg/L, before biological treatment, first materializing strategy is carried out to the waste water containing ammonia nitrogen in high density.
In prior art, the shortcoming of common high ammonia-nitrogen wastewater treatment process is as follows:
(1) stripping (stripping) method, ammonia still process method, MAP(struvite) precipitator method and chemical oxidization method all have the shortcoming that one-time investment is high, running cost is high.The working cost of above method is generally about 30-100 yuan/ton of water.
(2) stripping (stripping) method, ammonia still process method, MAP(struvite) precipitator method and chemical oxidization method all have complex process, management and run the shortcomings such as loaded down with trivial details.
At present, similar liquids atomization system is used for greatly water saving irrigation field.In water treatment field, once there is the report utilizing reverse osmosis concentrated water overbottom pressure fog system to carry out desalination.In high ammonia-nitrogen wastewater process field, atomization and vaporization method not yet has application report.
Summary of the invention
The object of this invention is to provide a kind of atomization and vaporization high ammonia-nitrogen sewage treatment system.
The object of the invention is to be achieved through the following technical solutions:
Atomization and vaporization high ammonia-nitrogen sewage treatment system of the present invention, comprise atomization and vaporization device, described atomization and vaporization device comprises high ammonia-nitrogen wastewater water inlet pipe, basis and counterweight, electricity self-con-tained unit, described high ammonia-nitrogen wastewater water inlet pipe is connected with water pump, described basis and counterweight are provided with support, the top of described support is provided with rotating shaft, described rotating shaft is provided with motor, the output shaft of described motor is provided with wind wheel, described high ammonia-nitrogen wastewater water inlet pipe is connected to described wind wheel by the core of described support, the cable of described electric self-con-tained unit is connected to described motor by the core of described support.
As seen from the above technical solution provided by the invention, the atomization and vaporization high ammonia-nitrogen sewage treatment system that the embodiment of the present invention provides, owing to comprising atomization and vaporization device, atomization and vaporization device comprises high ammonia-nitrogen wastewater water inlet pipe, basis and counterweight, electricity self-con-tained unit, high ammonia-nitrogen wastewater water inlet pipe is connected with water pump, basis and counterweight are provided with support, the top of support is provided with rotating shaft, rotating shaft is provided with motor, the output shaft of motor is provided with wind wheel, high ammonia-nitrogen wastewater water inlet pipe is connected to wind wheel by the core of support, the cable of electricity self-con-tained unit is connected to motor by the core of support.Adopt atomization and vaporization system to process high ammonia-nitrogen wastewater, structure is simple, easy handling, weatherproof, ammonia nitrogen removal frank be high.
Accompanying drawing explanation
The Facad structure schematic diagram of the atomization and vaporization high ammonia-nitrogen sewage treatment system that Fig. 1 provides for the embodiment of the present invention;
The side structure schematic diagram of the atomization and vaporization high ammonia-nitrogen sewage treatment system that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the structural representation of wind wheel in the embodiment of the present invention.
In figure:
1-water-in; 2-water pump; 3-basis and counterweight; 4-electric self-con-tained unit; 5-cable; 6-support (including water inlet pipe and cable); 7-wind wheel; 8-rotating shaft; 9-motor; 10-blade; 11-front hub; 12-cover plate; 13-joint bolt, pad and nut; 14-rear-wheel hub.
Embodiment
To be described in further detail the embodiment of the present invention below.
Atomization and vaporization high ammonia-nitrogen sewage treatment system of the present invention, preferably embodiment is as shown in Figure 1, Figure 2, Figure 3 shows for it:
Comprise atomization and vaporization device, described atomization and vaporization device comprises high ammonia-nitrogen wastewater water inlet pipe, basis and counterweight, electric self-con-tained unit, described high ammonia-nitrogen wastewater water inlet pipe is connected with water pump, described basis and counterweight are provided with support, the top of described support is provided with rotating shaft, described rotating shaft is provided with motor, the output shaft of described motor is provided with wind wheel, described high ammonia-nitrogen wastewater water inlet pipe is connected to described wind wheel by the core of described support, and the cable of described electric self-con-tained unit is connected to described motor by the core of described support.
Described wind wheel comprises the front hub and rear-wheel hub that are fixed together, described rear-wheel hub is connected with the output shaft of described motor, described front hub is fixed with blade, described high ammonia-nitrogen wastewater water inlet pipe reaches the front of described blade through described rear-wheel hub and front hub, and the outlet of described high ammonia-nitrogen wastewater water inlet pipe is provided with shower nozzle.
Waste water retention basin or hardened ground is provided with below described wind wheel.
Described high ammonia-nitrogen wastewater refers to: the ammonia nitrogen concentration that coking industry, new high-tech material industry or chemical industry produce is greater than the high-concentration ammonia nitrogenous wastewater of 200mg/L.
Described water-aspirator pressure is 3.0 ~ 5.0MPa, lift 30-40m;
Described rotor diameter is 50cm, material is corrosion resistant 316L stainless steel;
The rotating speed of described motor is 500-2000rdm;
The height of described atomization and vaporization device is 12m, material is carbon steel impregnating material and is covered with anticorrosive coating, and its separate unit processing power is 10t/h, and its vaporator rate is 13 ~ 22 times of spontaneous evaporation speed.
Atomization and vaporization high ammonia-nitrogen sewage treatment system of the present invention, atomization and vaporization system is adopted to process high ammonia-nitrogen wastewater, there is one-time investment and working cost is cheap, technique is simple, management and run the outstanding advantages such as level of automation is high, simple, the effective process to high ammonia-nitrogen wastewater can be realized.
Atomization and vaporization high ammonia-nitrogen sewage treatment system of the present invention, mainly utilize mechanical atomizing method, accelerate the spontaneous evaporation speed of high ammonia-nitrogen wastewater, make high ammonia-nitrogen wastewater form trickle droplet by mechanical force and pressure, thus make the mineralized nitrogen in waste water be quick loss from water smoke after ammonia.Meanwhile, water vapor recycles after reclaiming after being condensed into water droplet aloft.Finally realize that ammonia nitrogen removes from waste water, the object of water resources recycling.
The present invention changes and existingly conventional blows the process for treating high ammonia nitrogen waste water such as holder, ammonia still process, greatly can save cost for wastewater treatment, and the water droplet condensed after atomization can be recycled, achieve recycle and the resource utilization of water, and reduce high ammonia-nitrogen wastewater and discharge the negative impact that surrounding enviroment are brought, be applicable to various industry produce the purifying treatment of high ammonia-nitrogen wastewater.
Principle of work of the present invention is:
Former water takes from high ammonia-nitrogen wastewater retention basin, and this atomization and vaporization system is placed in retention basin outward flange, is undertaken by following step:
1) waste water after collecting, import that retention basin carries out regulating, homogeneous, temporary;
2) high ammonia-nitrogen wastewater is delivered to atomization and vaporization device top wind wheel 7 through water inlet pipe 1 after water pump 2 pressurizes, under the driving of motor 9, rely on the wind wheel of high speed rotating that waste water is put on display very thin moisture film, under the negative pressure acting in conjunction produced by mechanical drive, centrifugal force and wind wheel cavity zone, waste water is atomized, and the mineralized nitrogen in waste water is ammonia effusion.
3) water vapour after atomization carries out being gathered into the regeneration water source after into purification after droping to waste water retention basin or hardened ground after meeting condensation knot.
Atomization and vaporization high ammonia-nitrogen sewage treatment system of the present invention, its separate unit processing power is 10t/h.
Atomization and vaporization high ammonia-nitrogen sewage treatment system of the present invention, the waste water wherein described in step 1) refers to: the high-concentration ammonia nitrogenous wastewater (ammonia nitrogen concentration is greater than 200mg/L) that coking industry, new high-tech material industry, chemical industry etc. produce.
Atomization and vaporization high ammonia-nitrogen sewage treatment system of the present invention, wherein step 2) described in water-aspirator pressure be 3.0 ~ 5.0MPa, lift 30-40m.
Atomization and vaporization high ammonia-nitrogen sewage treatment system of the present invention, wherein step 2) described in rotor diameter be 50cm, material is corrosion resistant 316L stainless steel.
Atomization and vaporization high ammonia-nitrogen sewage treatment system of the present invention, wherein step 2) described in motor by the electric self-con-tained unit of sequencing, control wind speed round according to the meteorological conditions such as wind speed, humidity, rotating speed is generally at 500-2000rdm.
Atomization and vaporization high ammonia-nitrogen sewage treatment system of the present invention, wherein step 2) described in atomization and vaporization device height be 12m, material is carbon steel impregnating material and is covered with anticorrosive coating.
Atomization and vaporization high ammonia-nitrogen sewage treatment system of the present invention, its separate unit (processing power is 10t/h) one-time investment expense and working cost are all far below blow-off method, ammonia still process method and MAP(struvite) precipitator method, the contrast situation of above four kinds of methods is as shown in table 1 below.
Table 1 four kinds of process for treating high ammonia nitrogen waste water expense contrast table look-ups
Atomization and vaporization high ammonia-nitrogen sewage treatment system of the present invention, its vaporator rate is 13 ~ 22 times of spontaneous evaporation speed.
Atomization and vaporization high ammonia-nitrogen sewage treatment system structure of the present invention is simple, easy handling, weatherproof, ammonia nitrogen removal frank Gao Bingke achieve ammonia nitrogen resource utilization in waste water.
Atomization and vaporization high ammonia-nitrogen sewage treatment system of the present invention, its inventive principle is: waste water is delivered to after the wind wheel of atomization and vaporization device top through force (forcing) pump, under motor drives, rely on the wind wheel of high speed rotating that waste water is put on display very thin moisture film, under the negative pressure acting in conjunction produced by mechanical drive, centrifugal force and wind wheel cavity zone, make suspension drop volume in the gas flow very little, and specific surface area is very large, makes water droplet be easy to carry out heat transmission with ambient air.After drop after atomization contacts with hot blast, the mineralized nitrogen in drop is that ammonia spills in air, and the moisture in drop evaporates rapidly becomes water vapour.Water vapour meet in atmosphere cold after be again condensed into water droplet and drop down onto the other hardened ground in retention basin or pond, after collecting, can be used as water resources carry out reuse.
The present invention has the following advantages and positive effect:
The present invention, by a kind of atomization and vaporization high ammonia-nitrogen sewage treatment system, not only achieves the effective removal to high ammonia-nitrogen wastewater, carries out reuse after also the waste water after purification can being collected as water resources.
Specific embodiment:
High ammonia nitrogen wastewater from chemical industry is discharged in producing in certain chemical plant, and quantity discharged is 25t/h.In this wastewater from chemical industry, ammonia-nitrogen content is higher, and according to the data that owner provides, this programme design influent ammonium concentration is 600mg/L, and pre-treatment water outlet ammonia nitrogen concentration is 60mg/L.3 playscript with stage directions invention system (processing power is 10t/h) are adopted to process above-mentioned high ammonia-nitrogen wastewater:
High ammonia-nitrogen wastewater pumps into atomization and vaporization height NH_3-N treating system under the high pressure of 3.8MPa, under the acting in conjunction of the negative pressure, mechanical drive and the centrifugal force that produce in wind wheel (rotating speed is at the 800rdm) cavity zone of high speed rotating, waste water is atomized, and the mineralized nitrogen in waste water is ammonia effusion.Meanwhile, the water vapour after atomization carries out being gathered into the regeneration water source after into purification after droping to waste water retention basin or hardened ground after meeting condensation knot.Treated ammonia nitrogen influent concentration is at 400 ~ 600mg/L, and after present system process, ammonia nitrogen concentration can be down to 20-50mg/L, reaches needs of expected design.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (1)
1. an atomization and vaporization high ammonia-nitrogen sewage treatment system, it is characterized in that, comprise atomization and vaporization device, described atomization and vaporization device comprises high ammonia-nitrogen wastewater water inlet pipe, basis and counterweight, electricity self-con-tained unit, described high ammonia-nitrogen wastewater water inlet pipe is connected with water pump, described basis and counterweight are provided with support, the top of described support is provided with rotating shaft, described rotating shaft is provided with motor, the output shaft of described motor is provided with wind wheel, described high ammonia-nitrogen wastewater water inlet pipe is connected to described wind wheel by the core of described support, the cable of described electric self-con-tained unit is connected to described motor by the core of described support,
Waste water retention basin or hardened ground is provided with below described wind wheel;
Described high ammonia-nitrogen wastewater refers to: the ammonia nitrogen concentration that coking industry or new high-tech material industry produce is greater than the high-concentration ammonia nitrogenous wastewater of 200mg/L;
Described water-aspirator pressure is 3.0 ~ 5.0MPa, lift 30-40m;
Described rotor diameter is 50cm, material is corrosion resistant 316L stainless steel;
The rotating speed of described motor is 500-2000rdm;
The height of described atomization and vaporization device is 12m, material is carbon steel impregnating material and is covered with anticorrosive coating, and its separate unit processing power is 10t/h, and its vaporator rate is 13 ~ 22 times of spontaneous evaporation speed;
Described wind wheel comprises the front hub and rear-wheel hub that are fixed together, described rear-wheel hub is connected with the output shaft of described motor, described front hub is fixed with blade, described high ammonia-nitrogen wastewater water inlet pipe reaches the front of described blade through described rear-wheel hub and front hub, and the outlet of described high ammonia-nitrogen wastewater water inlet pipe is provided with shower nozzle.
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| CN201410069111.8A CN103803670B (en) | 2014-02-27 | 2014-02-27 | Atomization-evaporation high-ammonia-and-nitrogen wastewater treatment system |
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| CN109442438B (en) * | 2018-10-24 | 2020-03-31 | 江苏大信环境科技有限公司 | Comprehensive treatment process and system for ammonia-containing organic waste gas and ammonia-containing organic wastewater |
| CN111675412A (en) * | 2020-06-22 | 2020-09-18 | 江西省萍乡市迪尔化工填料有限公司 | Novel coking wastewater ammonia nitrogen component desorption equipment |
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| CN1792828A (en) * | 2005-11-11 | 2006-06-28 | 武汉科梦科技发展有限公司 | Process for removing ammonia nitrogen in solution by high dispersing |
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| CN1792828A (en) * | 2005-11-11 | 2006-06-28 | 武汉科梦科技发展有限公司 | Process for removing ammonia nitrogen in solution by high dispersing |
Non-Patent Citations (1)
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| 风水雾化降尘装置的风轮-喷头设计及雾化机理;牛全振等;《机械管理开发》;20080630;第23卷(第3期);第51-52、54页 * |
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