CN108275818B - System for rapidly recycling ammonia nitrogen in high ammonia nitrogen livestock and poultry wastewater - Google Patents
System for rapidly recycling ammonia nitrogen in high ammonia nitrogen livestock and poultry wastewater Download PDFInfo
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
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- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
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- B01D2251/512—Phosphoric acid
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Abstract
A rapid ammonia nitrogen recovery system in high ammonia nitrogen livestock wastewater consists of an ammonia separation system and an ammonia recovery system. The dissolution balance of ammonium nitrogen in the wastewater is destroyed through biochemical action, the wastewater is collided with a hot water pipe in a spraying mode, the ammonium nitrogen is promoted to be released in an ammonia form in a cold-hot alternating process, and the acid absorption and the fixed utilization of the ammonia are realized through an ammonia recovery system, so that the ammonia nitrogen content in the livestock wastewater is rapidly reduced, and the barrier of the subsequent biological treatment of the livestock wastewater is reduced. The ammonia nitrogen removal rate of the system can reach 90.86%, the ammonia nitrogen discharge standard in the national livestock and poultry wastewater is reached, and the ammonia nitrogen recovery rate reaches more than 95%. The method realizes the efficient and rapid removal of the ammonia nitrogen content in the livestock and poultry wastewater in a short time, and the released ammonia nitrogen is efficiently recovered. The system has the advantages of low construction cost, less energy consumption, simple operation, strong applicability, comprehensive recovery of ammonia nitrogen resources, no pollution to the surrounding environment and continuous operation.
Description
Technical Field
The invention belongs to the field of agricultural ecological environmental protection. Relates to the rapid recovery of ammonia nitrogen in high ammonia nitrogen livestock wastewater.
Background
In recent years, with the continuous promotion of novel urban and rural integrated construction processes, the large-scale and intensive rapid development of livestock industry in China is realized, the output of livestock and poultry breeding wastes is rapidly increased, the annual output reaches 38 hundred million tons, the COD and ammonia nitrogen emission amounts are 1049 ten thousand tons and 58 ten thousand tons respectively, and the COD and ammonia nitrogen emission amounts account for 95% and 76% of agricultural pollution sources and 45% and 25% of national pollution sources. The livestock and poultry breeding pollution becomes a third largest pollution source after industrial pollution and living pollution, becomes one of main causes of non-point source pollution in China, not only causes dirty, messy and bad living environment, but also seriously blocks the construction progress of novel town and ecological civilization. Therefore, the development of the technology capable of rapidly reducing the ammonia nitrogen, turbidity and COD content in the livestock and poultry wastewater has great practical value and economic significance.
The COD content in the livestock and poultry breeding wastewater is 6000-10000 mg/L, the ammonia nitrogen content is 400-1500 mg/L, the turbidity is 3000-10000 NTU, the total phosphorus content is 60-150 mg/L, and various indexes of the wastewater far exceed national standards for livestock and poultry wastewater discharge (GB 18596-2001), wherein the high ammonia nitrogen is a core obstacle causing difficult biogas slurry treatment, and many livestock and poultry breeding enterprises face to be removed or rebuilt, so that huge pressure is brought to the breeding enterprises, and the sustainable development of the livestock and poultry breeding enterprises is seriously hindered. The methods for treating livestock and poultry wastewater developed at present are many, but the methods are long in time consumption, high in cost, low in applicability and incapable of continuous operation, and bring great trouble to livestock and poultry farmers, such as recycling ammonia nitrogen by utilizing an air stripping mode (Chinese patent application publication number: CN 106430244A), the method needs continuous air blowing, consumes high energy, and needs adding deaminating agents (such as chitosan, resin and other consumables), the cost is high, the method is not suitable for large-scale farming enterprises, and in addition, the gas stripping method is easy to improve CO in wastewater 2 Is contained in the composition; the high-efficiency membrane stack exchanges liquid ammonia nitrogen in wastewater (Chinese patent application publication No. CN 202007171U), wherein the membrane belongs to a consumable, has service life and high cost, and is difficult to clean. Therefore, the development of a novel technology capable of rapidly and efficiently recycling ammonia nitrogen in livestock and poultry wastewater has a wide application prospect.
Disclosure of Invention
The invention aims to provide a rapid recovery system for ammonia nitrogen in high ammonia nitrogen livestock wastewater, which can rapidly recover ammonia nitrogen in livestock wastewater and realize the efficient recovery of released ammonia nitrogen by utilizing phosphoric acid. The technology of combining cold and heat alternation, water molecule collision and vacuum is utilized to destroy the balance of ammonia in water to release ammonia gas, and the ammonia gas is efficiently recovered through phosphoric acid and a high tower, so that the ammonia nitrogen in the livestock and poultry wastewater is rapidly recovered.
The invention discloses a rapid ammonia nitrogen recovery system in high ammonia nitrogen livestock and poultry wastewater, which comprises a sprayer (1), a waste liquid treatment tank (2), a spiral hot water pipe (3), a bacteria-carrying floating ball (4), a water pump (5), a waste liquid outlet (6), a solid precipitate outlet (7), a waste liquid outlet pipe (8), a pH meter (9), a waste liquid inlet (10), an alkali liquid tank (11), an alkali liquid inlet (12), a hot water pump (13), a heat exchanger (14), a hot water tank (15), a tap water inlet (16), a thermometer (17), a guano apatite outlet (18), a magnesium chloride solution tank (19), a magnesium salt inlet (20), a shunt (21), an outlet (22), a porous plate (23), a phosphoric acid inlet (24), a high tower (25), a vacuum pump (26), a circulating water condensation pipe (27), a guide pipe (28) and a safety valve (29).
The connection mode of the invention is as follows: the waste liquid inlet (10) is connected with the outlet of the alkali liquor tank (11) and is connected with the side bottom of the waste liquid treatment tank (2), the pH meter (9) is arranged at the side bottom of the waste liquid treatment tank (2), the bacteria-carrying floating ball (4) is added in the waste liquid treatment tank (2), the waste liquid solid precipitate outlet (7) flows out, the water outlet at the side bottom of the waste liquid treatment tank (2) is connected with the water pump (5), the water outlet of the water pump (5) is connected with the sprayer (1), the waste liquid treatment tank (2) is provided with the spiral hot water pipe (3), the heat exchanger (14) is arranged at the bottom of the hot water tank (15), the side bottom outlet of the hot water tank (15) is connected with the hot water pump (13), the outlet of the hot water pump (13) is connected with the spiral hot water pipe (3), the outlet of the spiral hot water pipe (3) is connected with the hot water tank (15), the thermometer (17) is arranged at the top end of the waste liquid tank (2) is connected with the circulating water condensation pipe (27) and is connected with the vacuum pump (26), the outlet of the vacuum pump (26) is connected with the high tower (25), the tail end of the pipe is provided with the gas diverter (21), the high-level magnesium chloride solution (19) is arranged in the high-level magnesium chloride solution (19) and flows into the high-level porous plate (25), the bottom is provided with a struvite apatite outlet (18), all the above pipes are made of corrosion-resistant materials, and the inlet and the outlet are provided with safety valves (29).
The components are made of stainless steel, and are resistant to acid, alkali and high temperature, wherein the waste liquid tank is made of opaque corrosion-resistant materials.
The operation process of the rapid ammonia nitrogen recovery system in the high ammonia nitrogen livestock and poultry wastewater is as follows.
1) livestock and poultry waste liquid flows in from a waste liquid inlet (10) of the waste liquid treatment tank (2), the pH (10.0-11.0) of the waste liquid is regulated by the alkali liquid tank (11), then the waste water is conveyed to a sprayer (1) by a water pump (5), and after the sprayed waste water collides with a spiral hot water pipe (3), the waste water flows in from the bottom to flow out from a waste liquid outlet (6) of the waste liquid treatment tank (2).
2) The water in the hot water tank (15) is heated to about 50 ℃ and is conveyed into the spiral hot water pipe (3) by the hot water pump (13).
3) Extracting ammonia released from the waste liquid treatment tank (2) into a high tower (25) by using a vacuum pump (26), and absorbing by using phosphoric acid; the phosphoric acid solution absorbing ammonia flows into a magnesium chloride solution tank (19) to form a precipitate, and flows out from a struvite apatite outlet (18) to realize recycling of ammonia nitrogen.
The working principle of the invention is as follows: the livestock and poultry waste liquid is injected through a sample injection port of the waste liquid tank, the volume of the waste liquid is 1/2 of the volume of the tank, the pH value is regulated by a sodium hydroxide solution (10.0-11.0), and the treated waste liquid can be discharged through a bottom outlet of the waste liquid tank; conveying hot air into a hot water tank through a guide pipe by utilizing a heating pipe, and conveying hot water into a spiral heat circulating water pipe of a waste liquid tank through a water pump; the treated wastewater exchanges heat with the waste liquid through a heat exchanger to improve the temperature of the waste liquid and accelerate the release rate of ammonia gas; bottom of waste liquid tankThe waste liquid is conveyed to the multi-hole sprayer through the water pump, and the water drops sprayed by the water-through multi-hole sprayer are impacted with the hot water pipe and alternate cold and hot, so that the balance of ammonium ions in water is destroyed, and the ammonia and CO in the water are caused 2 Releasing the gas, and conveying the generated gas into a high tower by using a vacuum pump; ammonia released by the wastewater is conveyed to a high tower through a vacuum pump, and NH released by phosphoric acid is recovered 3 And the recovery efficiency of ammonia gas is improved through the gas dividing valve and the porous baffle plate, and phosphoric acid liquid absorbing the ammonia gas flows into the magnesium chloride solution tank to form struvite apatite and passes through the bottom outlet so as to be recycled.
The invention utilizes the effective combination of cold-hot alternation, collision and vacuum extraction to achieve the purposes of rapidly reducing ammonia nitrogen in livestock wastewater and efficiently recycling the released ammonia nitrogen. Has the following six prominent innovation points.
1) By adopting a continuous efficient design for recycling heat energy, the efficiency of rapidly recycling ammonia nitrogen in the high ammonia nitrogen livestock and poultry wastewater is greatly improved.
2) The sprayed water drops collide with the hot water pipe to be decomposed into small particles, the balance state of ammonia in water is destroyed in the cold-hot alternating process, the ammonia in the water is released, the ventilation energy consumption is reduced, and the CO carried by the blowing is avoided 2 Resistance to the formation of ammonia volatilization.
3) And extracting ammonia released by the wastewater through a vacuum pump to improve the ammonia removal rate.
4) The treated wastewater and the newly inflowing wastewater are subjected to heat exchange through the heat exchange tube, so that the temperature of the wastewater is increased.
5) The phosphoric acid and the high tower with a plurality of layers of porous pedals are adopted to efficiently absorb and recycle the discharged ammonia gas so as to avoid the pollution of the ammonia gas to the air.
6) The ammonia absorbed by the phosphoric acid is further converted into struvite and struvite apatite by the magnesium salt, so that the ammonia can be used for preparing high-quality fertilizer organic fertilizer, and the high-efficiency utilization of ammonia nitrogen is realized.
Drawings
Fig. 1 is a plan view of the system.
Wherein 1 is a sprayer; 2 is a waste liquid treatment tank; 3 is a spiral hot water pipe; 4 is a floating ball with bacteria; 5 is a water pump; 6 is a waste liquid outlet; 7 is a solid precipitate outlet; 8 is a waste liquid outlet pipe; 9 is a pH meter; 10 is a water inlet; 11 is an alkali liquor tank; 12 is an alkali liquor inlet; 13 is a hot water pump; 14 is a heat exchanger; 15 is a hot water tank; 16 is a tap water inlet; 17 is a thermometer; 18 is a struvite apatite outlet; 19 is a magnesium chloride solution tank; 20 is a magnesium salt inlet; 21 is a shunt; 22 is the outlet; 23 is a porous plate; 24 is a phosphoric acid inlet; 25 is a tall tower; 26 is a vacuum pump; 27 is a circulating water condensing pipe; 28 is a catheter; 29 is a safety valve.
Detailed Description
The invention will be further illustrated by the following examples.
Examples
The embodiment of the system for rapidly recycling ammonia nitrogen in high ammonia nitrogen livestock and poultry wastewater comprises a heating pipe, a thermometer, a pH meter, a conduit, a drainage pump, a gas dividing valve, a safety valve, a vacuum pump, a sprayer, a waste liquid tank, an absorption tank, a high tower, a porous plate and a circulating water condensing pipe.
The mounting connection manner of this embodiment is as follows: the waste liquid inlet 10 is connected with the outlet of the alkali liquor tank 11 and is connected with the side bottom of the waste liquid treatment tank 2, the pH meter 9 is arranged at the side bottom of the waste liquid treatment tank 2, and in the waste liquid treatment tank 2 added with the bacteria floating ball 4, the waste liquid solid sediment outlet 7 flows out, the side bottom water outlet of the waste liquid treatment tank 2 is connected with the water pump 5, the water outlet of the water pump 5 is connected with the sprayer 1, the waste liquid treatment tank 2 is provided with the spiral hot water pipe 3, the bottom of the hot water tank 15 is provided with the heater 14, the side bottom outlet of the hot water tank 15 is connected with the hot water pump 13, the outlet of the hot water pump 13 is connected with the spiral hot water pipe 3, the outlet of the spiral hot water pipe 3 is connected with the hot water tank 15, the thermometer 17 is arranged at the top end of the hot water tank 15, the top outlet of the waste liquid treatment tank 2 is connected with the circulating water condenser 27 and is connected with the vacuum pump 26, the outlet of the vacuum pump 26 is connected with the high tower 25, the tail end of the pipe is provided with the gas diverter 21, the multilayer porous plate 23 is arranged in the interior of the high tower 25, the phosphoric acid flows in the phosphoric acid inlet 24, the bottom of the high tower 25 is connected with the magnesium chloride solution tank 19, the bottom is provided with the guano apatite outlet 18, all the catheters are corrosion resistant materials, and the inlet and outlet 29 are all safe.
Examples: pig raising wastewater fast ammonia nitrogen recovery system.
1) The pig raising waste water flows into the waste water tank through the sample inlet, and the volume of the waste water is about 1/3 of the volume of the water tank; and the pH was adjusted to 10.0 by means of a 2 mol/L sodium hydroxide solution.
2) The water temperature of the water tank is heated to about 50 ℃ through the heat exchanger, and hot water is conveyed into a hot water pipe of the wastewater tank through the water pump for recycling.
3) The wastewater is conveyed into a porous sprayer (80 meshes) through a water pump, so that generated water drops collide with a hot water pipe and alternate cold and hot, and the balance of ammonia in water is destroyed.
4) And extracting ammonia released by the wastewater by using a vacuum pump to improve the ammonia removal rate.
4) The high tower is filled with a plurality of layers of porous tower plates to improve the absorption rate of ammonia gas, wherein the high tower is filled with analytically pure phosphoric acid, the concentration of magnesium chloride solution is 2 mol/L, and the volume of the solution added into the high tower is 2/3 of the volume of the high tower;
5) The treated waste liquid can flow out through a heat exchange tube at the bottom of the waste liquid tank, and ammonia absorbed by phosphoric acid can be settled by a magnesium salt method and used for preparing fertilizer, so that ammonia nitrogen can be recycled.
6) After treatment, the ammonia nitrogen, COD content and turbidity in the waste liquid can be reduced by 90.86%, 71.43% and 79.22%, respectively, and the ammonia nitrogen recovery rate reaches more than 98.56%, and the detailed results are shown in the table 1 below.
TABLE 1
| Before treatment | After treatment | |
| Ammonia nitrogen content (mg/L) | 635±19 | 58±7 |
| COD content (mg/L) | 8400±400 | 2400±204 |
| Turbidity (NTU) | 6219±182 | 1292±55 |
| Ammonia nitrogen recovery% | 0 | 98.56±0.83 |
Claims (1)
1. The rapid ammonia nitrogen recovery system in the high ammonia nitrogen livestock and poultry wastewater is characterized by comprising a sprayer (1), a waste liquid treatment tank (2), a spiral hot water pipe (3), a bacteria-carrying floating ball (4), a water pump (5), a waste liquid outlet (6), a solid precipitate outlet (7), a waste liquid outlet pipe (8), a pH meter (9), a waste liquid inlet (10), an alkali liquid tank (11), an alkali liquid inlet (12), a hot water pump (13), a heat exchanger (14), a hot water tank (15), a tap water inlet (16), a thermometer (17), a guano apatite outlet (18), a magnesium chloride solution tank (19), a magnesium salt inlet (20), a diverter (21), an outlet (22), a porous plate (23), a phosphoric acid inlet (24), a high tower (25), a vacuum pump (26), a circulating water condensation pipe (27), a guide pipe (28) and a safety valve (29);
the waste liquid inlet (10) is connected with the outlet of the alkali liquor tank (11) and is connected with the side bottom of the waste liquid treatment tank (2), the pH meter (9) is arranged at the side bottom of the waste liquid treatment tank (2), the bacteria-carrying floating ball (4) is added in the waste liquid treatment tank (2), the waste liquid solid precipitate is discharged from the solid precipitate outlet (7), the side outlet of the waste liquid treatment tank (2) is connected with the water pump (5), the water outlet of the water pump (5) is connected with the sprayer (1), the waste liquid treatment tank (2) is provided with the spiral hot water pipe (3), the bottom of the hot water tank (15) is provided with the heat exchanger (14), the side bottom outlet of the hot water tank (15) is connected with the hot water pump (13), the outlet of the hot water pump (13) is connected with the spiral hot water pipe (3), the outlet of the spiral hot water pipe (3) is connected with the hot water tank (15), the thermometer (17) is arranged at the top end of the waste liquid treatment tank (2) is connected with the circulating water condensation pipe (27) and is connected with the vacuum pump (26), the outlet of the vacuum pump (26) is connected with the high tower (25), the tail end of the high tower (25) is provided with the gas splitter (21) and is arranged in the multi-layer phosphoric acid liquid inlet (23) inside the high-level phosphoric acid liquid inlet (23), the bottom outlet of the high tower (25) is connected with a magnesium chloride solution tank (19), the bottom is provided with a struvite apatite outlet (18), all connecting pipes are made of corrosion-resistant materials, and safety valves (29) are arranged at the inlet and the outlet;
the components are made of stainless steel, and are resistant to acid, alkali and high temperature, wherein the waste liquid tank is made of opaque corrosion-resistant materials.
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| DE102019201159A1 (en) | 2019-01-30 | 2020-07-30 | Skw Stickstoffwerke Piesteritz Gmbh | Highly effective concentrates with PPDA and their use to stabilize the valuable substances in animal excrement |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250135Y (en) * | 2008-03-25 | 2009-06-03 | 中国科学院广州地球化学研究所 | Disposing device capable of efficiently removing the ammonia nitrogen in ammonia-nitrogen wastewater |
| CN102863105A (en) * | 2012-09-12 | 2013-01-09 | 浙江工商大学 | Technology and system for treating high-salt high-nitrogen high-organic matter chemical wastewater |
| CN104445725A (en) * | 2014-11-20 | 2015-03-25 | 常州大学 | Integral device for treating waste gas and high-concentration ammonia nitrogen containing waste water |
| CN104528921A (en) * | 2014-12-11 | 2015-04-22 | 南昌大学 | Biological cleaning device for high-ammonia-nitrogen cultivation biogas slurry |
| CN204417290U (en) * | 2015-01-16 | 2015-06-24 | 北京坦思环保科技有限公司 | A kind of high salinity height ammonia nitrogen Rare Earth Production wastewater treatment equipment |
| CN104860465A (en) * | 2015-05-22 | 2015-08-26 | 江西明兴环境工程有限公司 | Double-tower catalysis thermal-coupling reflux deamination method and deamination device thereof |
| WO2016148345A1 (en) * | 2015-03-19 | 2016-09-22 | 현대건설주식회사 | Ammonia recovery device and operating method coupled with carbon dioxide degassing |
| CN205653196U (en) * | 2016-05-16 | 2016-10-19 | 安徽圣诺贝化学科技有限公司 | High acid high ammonia -nitrogen concentration effluent disposal system |
| CN107117755A (en) * | 2017-04-17 | 2017-09-01 | 杭州开源环保工程有限公司 | A kind of high ammonia-nitrogen wastewater processing and ammonia recovery system and its method |
| CN107399876A (en) * | 2017-07-27 | 2017-11-28 | 江苏维尔利环保科技股份有限公司 | A kind of processing method of high ammonia-nitrogen wastewater |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013091094A1 (en) * | 2011-12-21 | 2013-06-27 | Anaergia Inc. | Organics and nutrient recovery from anaerobic digester residues |
-
2018
- 2018-01-25 CN CN201810071840.5A patent/CN108275818B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250135Y (en) * | 2008-03-25 | 2009-06-03 | 中国科学院广州地球化学研究所 | Disposing device capable of efficiently removing the ammonia nitrogen in ammonia-nitrogen wastewater |
| CN102863105A (en) * | 2012-09-12 | 2013-01-09 | 浙江工商大学 | Technology and system for treating high-salt high-nitrogen high-organic matter chemical wastewater |
| CN104445725A (en) * | 2014-11-20 | 2015-03-25 | 常州大学 | Integral device for treating waste gas and high-concentration ammonia nitrogen containing waste water |
| CN104528921A (en) * | 2014-12-11 | 2015-04-22 | 南昌大学 | Biological cleaning device for high-ammonia-nitrogen cultivation biogas slurry |
| CN204417290U (en) * | 2015-01-16 | 2015-06-24 | 北京坦思环保科技有限公司 | A kind of high salinity height ammonia nitrogen Rare Earth Production wastewater treatment equipment |
| WO2016148345A1 (en) * | 2015-03-19 | 2016-09-22 | 현대건설주식회사 | Ammonia recovery device and operating method coupled with carbon dioxide degassing |
| CN104860465A (en) * | 2015-05-22 | 2015-08-26 | 江西明兴环境工程有限公司 | Double-tower catalysis thermal-coupling reflux deamination method and deamination device thereof |
| CN205653196U (en) * | 2016-05-16 | 2016-10-19 | 安徽圣诺贝化学科技有限公司 | High acid high ammonia -nitrogen concentration effluent disposal system |
| CN107117755A (en) * | 2017-04-17 | 2017-09-01 | 杭州开源环保工程有限公司 | A kind of high ammonia-nitrogen wastewater processing and ammonia recovery system and its method |
| CN107399876A (en) * | 2017-07-27 | 2017-11-28 | 江苏维尔利环保科技股份有限公司 | A kind of processing method of high ammonia-nitrogen wastewater |
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