Application of ammonia gas detector in the breeding industry chain:
The application of ammonia gas detector in the breeding industry chain has become more and more widespread with the expansion of the domestic breeding scale.
养鸡场鸡舍中氨气对鸡的影响。 Chicken industry: the effect of ammonia on chickens in chicken houses. 频率降低，并出现死亡。 Because a large amount of ammonia is generated in chicken manure, when the ammonia in the house air reaches 20ppm (equivalent to 15.2mg / m3) for more than 6 weeks, it will cause congestion, edema, decreased appetite, and egg production in chickens. Reduced, susceptible to disease; if it reaches 50ppm, a few days later, the chicken will develop edema of the throat, necrotizing bronchitis, pulmonary hemorrhage, decreased respiratory frequency, and death. Therefore, the ammonia concentration in the air of the chicken house should be controlled below 20ppm.
On September 2, 2005, before the deodorization tube was installed, the size of the farm was 1200 sows, and the farm with a disease mortality rate of 40% due to weaning pigs with multiple system failure syndrome and other diseases was revisited. One month after the deodorization tube was installed, the diarrhea density of the pigs decreased every month, the mortality rate gradually decreased, and the growth rate began to accelerate. 年出拦30000头，现在的总废死率不到5%。 There were 25,000 heads in 2006 and 30,000 heads in 2007. The current total death rate is less than 5%. The average weight in Japan is 110kg. Now the farm has been raised to 165 days, and the maximum is 180 days. 猪圈内部的氨气测定结果是：密闭的崽猪圈的指标是10ppm，其它的猪圈指标都是5~7ppm，几乎没有什么气味了。 The ammonia index in all pig pens on the farm is below 10ppm . The ammonia measurement results in the pig pens are as follows: the index of the closed pig pens is 10ppm, and the other pig pens are 5-7ppm, and there is almost no smell. . PS: The National Institute for Occupational Safety and Health has a maximum allowable ammonia value of 11 ppm. 及猪圈内工作者的健康带不带来影响的最大基准，得出氨气的指标对于猪来说是11ppm，工作人员是7ppm，二氧化碳的指标是1500ppm，颗粒指数是1.23mg/m3。 The staff of the institute based on the safe use of toxic gases, according to the largest benchmark that has no effect on the growth and health of pigs and the health belt of workers in pig pens. It is 11ppm, the staff is 7ppm, the index of carbon dioxide is 1500ppm, and the particle index is 1.23mg / m3.
环境的改善，同时对氨气等有害气体的威胁有了更清晰的认识，特别是大中型规模化猪场的确面临着这些迫切需要解决的问题，面对这种问题，深圳市东日瀛能科技经过潜心研究，推出了新型的养殖场专用的氨气检测仪，此款氨气检测仪价格合理，解决了猪场老板头疼 的问题。 In recent years, domestic pig farms are facing the continuous expansion of the breeding scale, but it is difficult to reduce the breeding density, environmental pressure (a large amount of feces and waste water odors need to be properly discharged), and frequent respiratory diseases. It's tricky, and relying entirely on drugs and vaccines can't solve major disease problems. At present, many experts and pig farm owners pay more and more attention to the improvement of the breeding environment. At the same time, they have a clearer understanding of the threat of harmful gases such as ammonia. The medium-sized and large-scale pig farms indeed face these urgent problems that need to be solved. Faced with this kind of problem, Shenzhen Dongri Energy Technology Co., Ltd. has launched a new type of ammonia gas detector dedicated to farms after intensive research. The price of the meter is reasonable, which solves the headache of the pig farm owner .
猪舍内的氨气主要源于猪群每天排出的大量的粪和尿的降解和分解，在较冷的季节（冬春两季），为了保温而呈封闭状态的产房和保育舍内，每天产生大量的氨气，硫化氢和二氧化碳，并在舍内不断蓄积，浓度渐渐变高，危害尤甚 The harm of ammonia to pig farms may be far beyond our imagination, including adverse effects on the growth and development of pigs, respiratory resistance, estrus, pregnancy and childbirth, etc. Because of this, developed countries in Europe and the United States have long ago The farm is required to strictly control the ammonia in the house. The European Union requires it to be controlled below 10 PPM, and the United States requires it to be controlled below 15 PPM . The ammonia in the pig house is mainly derived from the large amount of manure and urine degradation and Decomposed, in the colder season (winter and spring), in the delivery room and nursery house closed for thermal insulation, a large amount of ammonia, hydrogen sulfide and carbon dioxide are generated every day, and are continuously accumulated in the house, the concentration gradually increases. Especially harmful
There are two main sources of ammonia in the farm:
1 Sources of exogenous ammonia and its hazards
主要是氨气、硫化氢及甲烷，粪臭素等，据估计50-88公斤的肉猪每天排出粪尿4-6公斤，含氮25-49克，其中约60%的氮变成氨气，即肉猪每天所产生的氨气应在20克左右，在较冷的季节（冬春两季）为了保温而呈封闭状态的产房和保育舍内，每天产生大量的氨气，二氧 化碳，和硫化氢等，并在舍内不断蓄积，浓度渐渐变高，危害尤甚 Source: The exogenous ammonia (hydrogen in the piggery) is mainly derived from the degradation and decomposition of a large amount of feces and urine discharged by pigs daily. Generally, the utilization rate of feed intake by pigs is only 60%- 70%, that is, about 30-40% of the nitrogen is excreted through the pig's feces. These wasted nitrogen sources, ie excreta, will be continuously degraded to produce various annoying and harmful gases, mainly ammonia. , Hydrogen sulfide, methane, skatole, etc. It is estimated that 50-88 kg of pigs excrete 4-6 kg of urine and 25-49 grams of nitrogen, about 60% of which is turned into ammonia, that is, pigs daily The amount of ammonia produced should be around 20 grams. In colder seasons (winter and spring), the production rooms and nurseries that are closed for thermal insulation produce a large amount of ammonia, carbon dioxide , and hydrogen sulfide every day . Wait, and continue to accumulate in the house, the concentration gradually increases, especially harmful
2 Endogenous sources of ammonia and their hazards
Here, the endogenous ammonia is the ammonia in the blood. There are three main sources: 1 pathogenic bacteria in the intestine decompose undigested nitrogen compounds (such as peptides, small peptides and amino acids in the chyme) or intestinal mucosa exfoliation The generated ammonia gas is absorbed by the intestinal mucosa epithelial cells, enters the blood circulation through the portal circulation, makes blood ammonia elevated, and 2 proteins or amino acids in muscle tissue.
During normal metabolism or tissue and organ injury, the amines or ammonia produced by deamination, and the ammonia produced by the amino acid hydrolysis of amino acids.
1. Do not install the ammonia detector in places with excessively high concentrations of smoke, jet insecticides (evaporators), and flammable solvents (paints). Otherwise, it may cause an alarm.
2. Do not install the ammonia detector in places with large air flow such as exhaust vents, ventilation fans, room doors, etc. This may cause the accuracy of the ammonia detector to be affected.
3. Do not install the ammonia gas detector in places where there is a lot of water vapor and water droplets (relative humidity is 90%), otherwise the ammonia gas sensor will be damaged if the water vapor is too high for a long time.
4. Do not install the ammonia detector at a temperature below -30 ° C and above 50 ° C.
5. Do not press the ammonia gas detector in a strong electromagnetic place.
6 After the ammonia gas detector generates a concentration alarm signal, the output control signal (AC 220V) is locked. Even if the gas concentration does not continue to exceed the limit, the controlled equipment cannot automatically restore the state before the alarm, and must be manually restored (press Reset button or self-test button for 3 seconds).
7 The ammonia gas detector should be installed at a higher place in the farm, because the concentration of ammonia gas is lighter than that of air.
8 During the alarm, the ammonia concentration has exceeded the set alarm concentration. After confirming that the cause of the ammonia concentration exceeds the standard, press the reset key to clear the alarm data.
9 The ammonia gas detector has been powered off for too long. It may be a normal sound for the first time when the power is turned on.
10 After the position of the ammonia detector is fixed, please do not move it arbitrarily to avoid damaging its accessories.