详情描述
Clean all types of heat exchangers, condensers, industrial pipelines, boilers, and power plant equipment condensers. Greencol Chemical Co., Ltd. guarantees cooperation.
Jining Green Chemical Technology Co., Ltd. (abbreviated to Jining Green Cleaning Co.) was established in 2010 and is a professional company specializing in the cleaning of various industrial heat exchange equipment. The company boasts comprehensive business philosophy and the capability to develop industrial cleaning technologies. We undertake cleaning services for industrial equipment, corporate chemical equipment, power station equipment, condensers at power plants, boilers, and economizers, as well as air conditioning units and heat exchangers. We also handle the cleaning of mechanical and chemical equipment, and provide descaling services for refrigeration and heating equipment.
Jining Grean Cleaning Co. offers dozens of cleaning machines with various models ranging from 10mpa to 250mpa, as well as over a dozen chemical cleaning pump stations. Our main services include power plants, chemical factories, oil mills, food factories, corporate entities, heating equipment, and more. The company also provides long-term industrial heat exchanger cleaning and design solutions for industry clients.
Our company has newly acquired domestic cleaning machines and imported cleaning equipment. We've hired experienced technical specialists in the cleaning industry to achieve standardized and standardized cleaning of heat exchange equipment.
Chemical cleaning descaling process:
Recirculating Closed Circuit Cleaning
Recirculation cleaning utilizes two original parallel ash piping lines to form a loop, creating a circulating system with the cleaning pump station. It introduces a solution of a certain acidity concentration, which circulates within the ash water pipes for cleaning. As the acid cleaning reaches a certain level, the solution is continuously replenished. For short-distance single ash water pipelines, if conditions permit, a temporary pipeline can be laid to create a recirculation loop for cleaning. This process must be carried out while the system is offline, and it is complex and costly.
Open road cleaning
No two ash pipes should form a loop during cleaning; only a single ash pipe should be used for open-circuit cleaning. The method involves connecting one end of the ash pipe to the cleaning device, continuously preparing a certain concentration of cleaning solution in the fluid tank, and injecting it into the ash pipe continuously or intermittently. This process requires additional cleaning equipment during shutdown, which increases costs.
Continuous operation cleaning
The process involves continuously injecting a certain amount of acidic solution while the ash pipe is operating normally without interruption, simultaneously adding a specific quantity of ash-pipe running cleaning inhibitor and pipeline descaling agent. This is an open-circuit cleaning method. The primary function of the cleaning aids is to promote the reaction between the acidic solution and the ash scale at a certain concentration and flow rate, while also increasing its solubility in water and reducing the formation of air blockages, ensuring the quality of ash-pipe cleaning.
The procedure is as follows: Before cleaning, first estimate the required acid amount based on the total scale in the pipeline. Then, calculate the acid addition rate and the flow rate of the descaling agent and pipeline cleaning agent based on the sludge water flow rate and acidity. During cleaning, take a sample at the front end of the sludge pipe every 30 minutes to test the acidity, and strictly control the acidity by adjusting the acid flow rate. In the later stage of cleaning, take a sample at the end of the sludge pipe every 15 minutes to test the pH value. When the pH value reaches a certain level and remains unchanged for 30 minutes, the cleaning can be deemed complete.
2. High-pressure water jet cleaning equipment
High-pressure water jet cleaning offers advantages such as high efficiency, low cost, non-damaging to workpieces, environmental friendliness, ease of operation, and safety.
High-pressure water technology boasts the following advantages.
(1) Excellent Cleaning Quality - High-pressure water jet cleaning of pipe and heat exchanger bores can completely remove all scale and blockages inside, revealing the metal substrate. With its immense energy and supersonic speed, the high-pressure water jet is fully capable of destroying hard scale and blockages, yet it has no destructive effect on metal.
Since the pressure of high-pressure water is less than the compressive strength grade of metal, high-pressure cleaning will not damage the substrate being cleaned.
(2) Fast Cleaning Speed: Due to the combined crushing actions of water jet flushing, wedging, shearing, and grinding, scale can be quickly broken and removed, which is several to ten times faster than traditional chemical methods, sandblasting and shot blasting techniques, simple mechanical, and manual cleaning methods.
Additionally, parts cleaned with high-pressure water jetting do not require secondary cleaning; however, after chemical cleaning, the surface must be rinsed with clean water.
(3) No Environmental Pollution - Since high-pressure water jet cleaning uses pure water as the medium, it does not generate a large amount of dust like sandblasting, grit-blasting, or simple mechanical cleaning, which can pollute the air and harm health. It also does not produce a significant amount of waste liquid like some chemical cleaning methods, which can contaminate rivers, soil, and water quality. The water jet cleaning using pure water is odorless, tasteless, and non-toxic. After atomization, the emitted jet can also reduce the dust concentration in the work area, lowering atmospheric dust levels from 80mg/m³ using other methods to below the national safety standards, thus causing no pollution.
3. Pipe Scale
(1) Categorized by chemical composition, they include carbonate scale, sulfate scale, silicate scale, and mixed scale, etc. The main components of carbonate scale are calcium carbonate and magnesium carbonate; the main components of sulfate scale and silicate scale are calcium sulfate and silicate compounds, respectively.
(2) Categorized by physical properties, there are two types: hard scale that firmly adheres to the pot shell and tube walls, and loose sediment that is easy to detach.
Scale primarily forms due to the salts of calcium and magnesium in the boiler feedwater that precipitate and adhere to the metal surface upon heating. The thermal conductivity of scale is very low, approximately 2 to 5 times that of ordinary steel. Scale buildup on the boiler's heating surface significantly worsens heat transfer efficiency, affects boiler performance; it can easily cause metal materials to burn due to local overheating, even leading to tube bursting accidents; it accelerates galvanic corrosion, causing pipeline scale corrosion, and speeds up the deterioration of the heating surface. Once scale forms, it should be promptly removed using mechanical or chemical methods.
Heat Exchanger and Refrigeration Equipment Cleaning - Choose Grean Chemical for Reliability
