What is the consumption of ammonia vapor with a concentration of 40 during the evaporation of ammoni

Introduction Ammonia at a concentration of 40, what is the steam consumption when vaporizing ammonia under a pressure of 1.5 MPa and 1.1 MPa If both steam and condensate are saturated at the same pressure, it can be

What is the consumption of ammonia vapor with a concentration of 40 during the evaporation of ammoni

If the steam and condensate are both saturated at the same pressure, they can be combined.

In fact, every time the trap operates, condensed water and steam pass through the trap at the same time. The volumetric ratio is 3:7 water:steam. it is not just condensed water, but saturated steam and water under this pressure, which are gas and liquid phases.

Only when the pressure and temperature of the gas and liquid phases are different will water impact or cavitation occur due to volume changes.

Thus, the questions raised are feasible.

Boiler water treatment mainly includes feed water treatment (i.e. boiler supplementary water), boiler water treatment condensate (i.e. turbine condensate or condensate water recovered from the process stream), deoxygenation of feed water, additionof ammonia to the feed water and the boiler. 4 part dosage treatment. Make-up water treatment Boiler make-up water volumes vary depending on the purpose of the steam (heating or electricity generation) and the degree of condensate recovery. The feedwater volume of condensing power plant boilers is generally less than 3% of the evaporation capacity, and the feedwater volume of heating boilers can reach 100%. The feed water treatment process is as follows: ① Pretreatment: When the raw water is surface water, the purpose of pretreatment is to remove suspended matter, colloids and organic matter present in water. Usually, a coagulant (such as aluminum sulfate, etc.) is added to the raw water to cause the above impurities to condense into large particles, which sink under their own weight and are absorbed.then filtered in clean water. When groundwater or urban water is used as supply water, pretreatment of raw water can be omitted and only filtration is performed. Commonly used clarification equipment includes pulse, hydraulically accelerated, and mechanically agitated clarifiers; Filtration equipment includes siphon filter, valveless filter and single or double flow mechanical filter. To further remove organic matter from the water, an activated carbon filter can be added. ② Softening: Use natural or artificial ion exchangers to convert hard calcium and magnesium salts into salts that do not form hard scale to prevent the formation of hard calcium and magnesium scale on the inner wall of the boiler tube. For water containing calcium and magnesium bicarbonate and having high alkalinity, it can equalcan be solved by sodium-hydrogen ion exchange method or pretreatment (such as lime addition method, etc.). For some industrial boilers, this treatment generally meets the requirements, although the salt content of the feed water does not necessarily decrease significantly. ③ Salt removal: With the continuous improvement of boiler parameters and the emergence of once-through boilers, it is even necessary to remove all the salt present in the boiler feed water. At this point, salt removal methods should be used. There are many types of ion exchangers used in chemical desalination. The most commonly used are cation exchange resin and anion exchange resin, called "cation resin" and "anionic resin". In the ion exchanger, when the water containing brine passes through the resin, the cations and anions contained in the salt are released.t respectively converted into cations (H) and anions (OH) in the resin and are eliminated. The image shows a schematic diagram of a chemical desalination system commonly used for water supply. When the alkalinity of the water is high, in order to reduce the load on the anion exchanger and improve the operating economy of the system, a decarbonator is usually required in series after the cation exchanger to remove carbon dioxide. Water with particularly high salt content is also Reverse osmosis or electrodialysis processes can be used to desalinate the water first and then enter the ion exchanger for deep desalination. For drum boilers or high pressure once-through boilers and above, traces of silicon in the feed water must also be removed; medium and low pressure boilers are treated according to their content. Treatment of econdensate water: During the circulation process, the condensate water will be polluted by the turbine condenser cooling water + system leakage and corrosion products, and sometimes needs to be treated. The typical treatment process is as follows: Condensate water treatment capacity is related to boiler parameters, furnace type (e.g. whether there is a drum or separator) and contamination condensate water. As boiler parameters increase, the condensate handling capacity usually increases gradually. All supercritical pressure boilers must be treated; the processing volume for ultra high pressure and subcritical pressure boilers is 25-100%; boilers with barrels below high pressure are generally not treated. Commonly used condensation water treatment equipment includes rec filters.open cellulose and electromagnetic filters. After the condensate water has removed the corrosion products (copper oxide, iron oxide, etc.), it then enters the mixed bed or resin powder coated filter for deep desalination. Deoxygenation of Feed Water Dissolved oxygen in boiler feed water can corrode metals in thermal systems. Corrosion products form copper and iron scale in areas of high heat load in the boiler, which deteriorates heat transfer and can even cause pipes to burst or deposit in the high pressure cylinder of the turbine steam, thereby reducing the efficiency of the steam turbine. Thus, the softened or desalinated feed water as well as the condensate water are generally deoxygenated before entering the boiler. Commonly used deoxidation methods include thermal deoxygenationthat and vacuum deoxygenation, sometimes supplemented by chemical deoxidation. So-called thermal deaeration means that when the feed water is heated to boiling point in the deaerator, the solubility of the gas in water decreases, causing the gas to escape from the water and be released into the atmosphere. In terms of working pressure, the most commonly used thermal deaerators are 0.12 MPa and 0.6 MPa. During thermal deoxygenation, the water must be heated to saturation temperature and the surface area of ​​the deoxygenated water must be large (e.g. using a water spray or diffusion device). atomization) so that the escaping gas can be discharged quickly. Vacuum deaeration is often carried out in the condenser of the steam turbine. Chemical deoxidation involves adding hydrazine or sodium sulfite to the feed water to further reduce the oxygen content of the water. The ajout of ammonia to the feed water and adding chemicals to the boiler. Boiler feed water that has undergone feed water treatment, condensate water treatment and feed water deoxygenation is usually required to add ammonia or organic amines in order to increase the pH value of the feed water and avoid any problems. acidic water from corroded metal parts. Drum boilers generally require pot treatment. During treatment, trisodium phosphate or other chemicals are added to the drum to transform salty impurities in the water that can form scale into sludge that can be removed during wastewater discharge to prevent or slow the tartar formation.

  • Popular Focus
  • Where is the cheapest battery wholesale?

    Where is the cheapest battery wholesale in Tangxia, Sanyuanli, Baiyun District? There is an enterprise specializing in the independent production of electric vehicles in Tangxia, Sanyuanli, Baiyun District, Baiyun Sanyuanli Avenue, Baiyun Sanyuanli Street
    08-02
  • Four 3.7V lithium batteries in series and parallel produce 7.4V/4.4A. How to reduce it to 4.8V/4.4A?

    Four 3.7V lithium batteries in series and parallel produce 7.4V/4.4A. I personally think it is impossible to reduce it to 4.8V/4.4A. Because the discharge platform of lithium batteries is generally set
    08-10
  • What are the materials of the negative electrodes of lithium batteries?

    What are the materials of the negative electrodes of lithium batteries? The main commercial applications of lithium batteries include graphite, which is a sheet of copper used to guide current and which does not react. another safe
    08-02
  • The difference between 18500 and 26500 batteries

    What is the difference between 18500 and 26500 batteries? The answer above is 18650. The person asking the question should ask what is the difference between 18505 and 26500 batteries. In the case of Fuant ER1
    08-02
  • What does 3.7V 80mAh written on a lithium battery mean?

    What does 3.7V 80mAh written on a lithium battery mean? 3.7 V, 80 mA = 0.08 A, H means 1 hour, or 3600 seconds. Taken together, it is
    08-02
  • How long does a lithium battery (cell phone battery) last?

    How long does a lithium battery (cell phone battery) last? The lifespan of mobile phone batteries, under normal conditions of use and without serious impact, the lifespan set by the manufacturer must be 5 years.
    08-02
  • Will lithium batteries explode when charging?

    Will lithium batteries explode when charged? Will lithium batteries explode when charged? Lithium battery explosions usually occur during the charging process, because the negative electrode material of lithium batteries is graphite or other carbon materi
    08-02
  • Parameters of lgdas31865 lithium battery

    Parameters of lgdas31865 lithium battery The parameters of lgdas31865 lithium battery are as follows: LGDAS31865 is a model 18650 lithium battery with a capacity of
    08-02
  • What are the main components of lithium battery electrolyte?

    What are the main components of lithium battery electrolyte? The composition of lithium battery electrolyte is shown below. 1. Ethylene carbonate: molecular formula C3H4O3. Colorless transparent liquid (>35℃), room temperature
    08-02
  • Who are the lithium battery manufacturers in Shandong?

    What are the lithium battery manufacturers in Shandong? Shandong Shengyang Power Supply Co., Ltd. and Shandong Weineng Environmental Protection Power Technology Co., Ltd. 1. Shandong Shengyang Power Supply Co., Ltd. is located in Shengyang, Qufu City.
    08-02
  • Types of drone batteries available in 2024

    Part 1. Types of drone batteries available in 2024In 2024, drone batteries have advanced significantly, offering a range of options to cater to various needs in
    07-30
  • How long does it take to charge 26650 battery?

    How long does it take to charge a 26650 battery? The charging time for a 26650 battery is generally between 3 and 6 hours, but the precise time depends on the power of the charger and the capacity of the battery. in general
    08-02
  • For what?Sure, here's an article based on the phrase "For what?

    The simple yet profound question, "For what?" often serves as a gateway to deeper reflections on purpose and intention. It is a query that invites us to delve into the reasons behind actions, decisions, and circumstances that shape our lives and the wor
    08-02
  • Choosing the Right Cart Battery

    This comprehensive guide will walk you through everything you need about cart batteries, from understanding different types to making an informed purchase decision.
    08-02
  • 30mAh~500mAh 3.7 V Li-ion Battery

    Welcome to Ufine's collection of 3.7V lithium-ion batteries ranging from 30mAh to 500mAh. Explore a diverse range of compact and lightweight batteries suitable for various electronic devices,
    08-02
  • Here are 10 essential facts about drone batteries for 2024.

    10 Key Facts About Drone Battery for 2024 In 2024, drone batteries have advanced significantly, offering a range of options to cater to various needs in the consumer, commercial, and industrial sectors. Below are the primary types of drone batteries avai
    08-02
  • Could you please explain the difference among IMR, ICR, INR, and IFR 18650 batteries?

    What is the Difference Between IMR, ICR, INR, and IFR 18650 Battery?In 18650 batteries, discerning the differences among IMR, ICR, INR, and IFR types is fundamental for tailored and efficient battery usage. These distinct
    08-02
  • Safety considerations for cart batteries

    Selecting the ideal cart battery is crucial for ensuring optimal performance and longevity of your electric vehicle or vaping device. This comprehensive guide w
    08-01