1Ton Low Pressure Steam Boiler

1Ton Low Pressure Steam Boiler

Experts for you to order: a boiler chemical cleaning process, the purpose of chemical cleaning chemical cleaning is the main method to reduce boiler corrosion effects, by using the method of chemical vapor boiler system in a variety of sediment, metal oxides and other impurities, and forming a metal surface protective film. It is due to reduce corrosion of boiler heating surface structures and sedimentary deposits caused by poor thermal and moisture contamination, an important measure to ensure that the boiler safe and stable operation of the economy. Second, the range of chemical cleaning of a newly installed boiler (either direct current or a furnace drum furnace). 2, has been running the boiler. 1) drum boiler, the boiler water system of a general cleaning of the body only. 2) only the DC furnace cleaning and high pressure water system of a boiler heater. Third, the chemical cleaning of boiler chemical cleaning mode and flow two ways soaking, flow of the cleaning is frequently used, can be divided into flows for all kinds of furnace cleaning cycle cleaning method, cleaning method for DC open boiler and dosing or the use of the cleaning liquid directly into the outfall EDTA complexing low pressure natural circulation boiler cleaning. Fourth, the chemical cleaning process step of the general process rinse water system, the transition boiling alkali, alkaline wash water rinsing, pickling, rinsing water after pickling, rinsing and passivation. 1. water washing new boiler system, the water must be flushed during chemical cleaning. Clarified water or industrial water filtration period after rinsing is available, the flushing flow rate is generally 0.5 ~ 1.5m / s. Rinse with water to reach the end of a transparent and free of impurities prevail. Its purpose is to remove the internal pipe corrosion products and other impurities and some deposits generated during operation. Meanwhile, the case of smooth and tight loops whereby the inspection system may, in particular, parallel tube rows arranged in the vertical, if the phenomenon will affect the quality of the gas plug. Also not to participate there will be more severe acid corrosion when cleaning part can not be filled with liquid protection. 2. The caustic soda boiling or soda boiling embodiment only the new boiler, the furnace in the boiling process, the sewage from the bottom need 2 to 3 times, changing the water after cooking a lot furnace. The concentration of water to be discharged close to the boiler water and normal, and the Ph value dropped to about 9, the temperature dropped to 70 ~ 80 ℃, to discharge all the water. After boiling out of boiler internal inspection cope, the metal surface requires no rust and corrosion products, and the passivation film to complete the formation. Deposited on the drum should also be clear, dirt etc. header. Caustic after degreasing acid washing, or cleaning cycle should be generally and soaking cycles combined. After clarification by filtration caustic water, demineralized water, or in addition to brine, washing water to Ph≤8.4, quality transparent. If the sulfate scale, high silicate content, to improve the cleaning effect, the transformation may be performed before alkali cooking acid. Effect of water washing after acid pickling and pickling is 3. deposits on the metal wall into the insoluble salts or soluble complexes, dissolved in the cleaning solution, then when the waste liquid discharge drain. Cleaning solution must strictly control the temperature of the pickling solution during the pickling, cycle rate, the acid level of the groove drum and the like, and recorded hourly examination cycle time, record truthfully problems. When the cleaning cycle each circuit to a predetermined time, and measuring the concentration of the acid concentration of iron ions should be strengthened. When each circuit in the pickling solution ferric ion concentration and acid concentration and stable balance, pickling is expected to end, the detection tube can be removed to check the cleaning effect, when the inner pipe is still dirt to be monitored in the pipe system Replacing continue cleaning to clean the monitoring pipe, the circulation should IH, stopped before pickling. Activated metal surface to prevent secondary rust, at the end of pickling acid should not be used directly by the process of emptying the flushing water on again, a purity of greater than 97% of the available continuous ejection nitrogen waste acid, may also be desalinated when the flow rate of ejection waste acid, the acid using variable flow ejection flushing water, flushing water flow rate should be cleaned to achieve more than doubled. Possible to shorten the washing time, rinse water to the discharge liquid Ph value of 4 to 4.5, until the iron content of less than 50mg / L. After large amount of deposits or scale boiler, pickling if more undissolved dead sediment deposited during the cleaning apparatus system, can be washed in water to a Ph value of 4 to 4.5, and then clear the drainage artificially sediment and boiler set box. After washing with this method, you can rinse passivation. 4. Rinse and rust passivating rinse pretreatment passivation i.e., ability to use citrate chelated iron ions, iron ions and residual acid in the system and rinsing the metal surface may occur secondary rust removal. Passivation treatment object is to wash the metal surfaces to form a protective film against corrosion, to prevent corrosion after cleaning, but also for the operation to generate a more solid basis of the magnetic iron oxide protective film good. Top with nitrogen or aqueous acid, and in the case of the pot does not contact the metal-free air may be rinsed with a secondary rust generated after the acidic water rinse, if back, rinsing should be carried out. Must be passivated (except a complete outer passivation cleaning EDTA) the total concentration of iron ions, such as passivated after rinsing, rinsing fluid is not less than 300mg / L after pickling boiler. Exceeds the value, the application of heat deaerator water rinse to replace part of the iron ion concentration is less than this value. The passivation process, the test sample should be regular, such as 1/2 of the initial concentration passivation solution concentration falls, the passivation solution should be supplemented.

July 26, 2016, Beijing, China Everbright Paper Co., Ltd. and the company signed a "split 6 tons of steam condensing gas 1ton low pressure steam boiler contract" by the company responsible for the WNS6-1.25-YQ split condensing gas boiler steam to all production, installation and commissioning work. The product is the use of condensing technology, effective emission of harmful substances SOx, NOx, COx, is industrial boilers efficient and environmentally friendly solutions.

What are the gas-fired boiler valve instrument, have any effect

In recent years, with the strengthening of China's environmental protection efforts, high low emissions, efforts to clean gas boiler gradually become the mainstream products on the market. However, to get gas boilers to maintain normal operation, there is more than boiler, but also supporting auxiliary equipment and instrumentation valves. Among them, the instrument is a major control the operating parameters of the boiler accessories, is very important.

To 1ton low pressure steam boiler safe operation and maintenance work to do as an energy conversion equipment, steam boilers can output a large number of high-temperature steam, and promote the normal use of enterprise devices. If you want a long-term stable operation of steam boilers in the design, manufacture, installation and maintenance of all aspects must be perfect, if the design and production of boilers, installation and maintenance of unreasonable, will make the boiler abnormal, such as leak deformation, corrosion and other adverse circumstances boiler body structure, if you can not guarantee that these anomalies are checked and ruled out timely, long past, the boiler will run a tremendous risk. Therefore, the use of steam boilers companies, should pay due attention to the boiler safe and economic operation, to be able to play a real role in the boiler. First, the safe operation of the management and operation management system of the boiler steam boiler safety is the focus of business management, there must be someone responsible for the safe operation of the boiler, and to achieve clear management authority, on-site guidance and orderly, various departments to work together, safe, standardized the use of boiler production. 1, the importance of the safe operation of the boiler clearly belongs in the management of manufacturing enterprises in special equipment, the use of more complex, maintaining relatively complicated, which requires our company's technical staff must understand the principles of operation of the boiler, master the operation, while strengthening management requirements. To enhance the sense of responsibility in peacetime fireman, boiler system to comply can judge the general situation, take corrective measures to ensure the safe operation of the boiler. 2, to develop specific measures to ensure that enterprises according to the actual situation of executive power boiler management systems. Fireman in strict accordance with operating procedures to ensure that work must be performed in accordance with operating procedures, there must shift recording, time inspection records, good equipment maintenance, staff positions to implement the responsibility system, strictly enforce the boiler room management systems. We often have regular training for boiler operators, rules and regulations publicity field work and testing, supervise, guide and regulate the operator to operate the boiler. Do a good job running to record the boiler. During the boiler operation and after shutdown, you must fulfill all the records. Such as running records, water quality testing records, shift records, maintenance records, unit managers should be checked for potential problems device to timely detect, prevent work ahead of time to avoid accidents. Improve the overall quality. Boiler safety management must be maintained by all personnel, companies must conduct training and awareness of all managers and front-line boiler operators literacy. By regularly appointed managers and site operators (furnace workers, water workers, etc.) to go out to learn and improve their level of work, training and exchange transposed to other employees came back to reach full learning, to enhance literacy purposes. In addition, you can ask the experts, technical management staff to their units and enterprises, the teach-site management and operation of boiler-related technology to improve the management and technical level of full. Observing the plant operating procedures. The boiler operation, the device must follow the rules, and this is most important, the rules may regulate the operator, allowing the operator to reasonable and standard operating equipment to ensure that the boiler safe and effective operation, to avoid unnecessary accidents occur. The development of regular inspection system. When the boiler is running, on-site personnel must confirm the status of the boiler, which requires the operator to do the inspections on time, within the stipulated hours, the entry point for a basic check of the boiler one by one to confirm and make the relevant registration record to facilitate subsequent queries, if there is an exception, to promptly inform superiors, together with the timely processing of abnormal, early prevention of accidents. , The implementation of reward and punishment system. Companies can arrange Inspection Unit, from time to time on-site sampling records, daily work site operators to inspect and score, if found not complying with the rules, the punishment must be made, and on-site education again, for a serious and responsible the operator, the operator the ability to detect potential safety problems, given the necessary incentives in order to play the effect of penalties and rewards, our goal is to better safety in production.

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Steam, Boiler, and Blowdown Pressure are the same. Combustion Efficiency is the % of fuel energy that is directly added to the feedwater and not otherwise lost or used. Blowdown Rate is the % of incoming feedwater mass flow rate that leaves the boiler as a saturated liquid at boiler pressure.

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