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China Industrial Products Supplier Manufacturer List Catalog
CompressorCentrifugal CompressorCompressorSteam Compressor
NANTONG DART-RICH FAN CO.,LTD
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Product Description Product DescriptionMVR, short for mechanical vapor recompression, is an energy-saving technology to reduce the demand for external energy by means of reutilizing the secondary steam energy that it generated. Its basic principle is that the secondary steam generated by the evaporator is compressed with high energy efficiency steam compressor to convert the electrical energy to thermal energy, then rise in pressure and temperature of the secondary steam and the temperature risen returns the secondary steam to the evaporator to heat the materials and generate evaporation, so as to realize recycling of latent heat of vaporization of secondary steam.DM series Single-stage geard steam compressor mainly includes compressor body, coupling, gearbox, lubrication system, motor, electric instrument and anti-surge control system. It is of compact structure and convenient for maintenance.Installation Instructions3.3.1 The compressor base is integrally placed on the foundation, put wedge-shaped shim under the base (used to adjust the unit level),place two wedge-shaped irons alternately, after leveling the unit, and spot weld the wedge-shaped irons for 4~5 points. The wedge shall bemanufactured and installed by the user according to the actual situation, and the contact surface shall be finished (even contact of inclinedplane, and the bearing capacity of wedge iron shall not be greater than 40Kg/cm2).3.3.2 Use a level to find the level. The leveling requirements of the unit: the axial level of the unit is 0.05/1000mm, and the horizontallevel of the unit is 0.10/1000mm.3.3.3 Coupling is centered. Before starting alignment, confirm the following requirements:1) Turn off the main power supply;2) Remove the coupling shield;3) Remove the diaphragm coupling intermediate section;4) Check the flatness of the motor installation plane to ensure that there are no stolen goods, dirt and attachments;5) The motor bolt hole should be larger than the bolt size, so that the bolt can be loosened to adjust the motor;6) Prepare enough stainless steel gaskets to cover the foot of the motor, the gaskets should not have attachments and should be flat enough. You cannot use long and thin gaskets to insert between the motor and the base for adjustment;7) Use a dial indicator or a laser alignment meter with an accuracy of 0.01mm (prepared by the customer himself);8) Prepare the bracket for supporting the dial indicator as shown in the figure below;9) The motor wheel hub mounting bracket is used for mounting a dial indicator on the edge of the wheel hub, and placing a dial indicator probe on the outer edge of the compressor wheel hub;10) By adjusting the adjustment bolts around the motor feet, the compressor and the motor center line are basically on the same line (or according to the corresponding instructions), and the maximum deviation of the outer circle is 0.05mm (the motor shaft center line should be higher than the compressor low-speed shaft center line), coupling end face 0.03~0.05mm;11) Finally, tighten the motor foot bolts, and review the outer circle runout and end face runout of the coupling;12) Install the coupling intermediate section after the motor idling test.3.3.4 After adjusting the "levelness" and alignment of the casing, tighten the anchor bolts. After the mechanical operation (or trial operation), loosen the bolts and tighten them again.3.3.5 The impeller is a high speed rotating component, and any solid or liquid entering impeller will cause irreversible damage to compressor. Therefore, it is necessary to ensure that the inlet and outlet pipelines connected with compressor are clean and meet the requirements of steam corrosion grade of the system. Pipelines that do not meet this condition must be rectified. It is suggested to add solid liquid separation equipment (gas scrubber or sedimentation tee) before the straight pipe at the compressor inlet.3.3.6 Install compressor inlet and outlet pipes. Import and export pipelines shall be installed with relevant pipeline accessories according to PI diagram. The pipeline connected to the compressor shall be supported by another bracket, and its weight shall not be supported by the compressor body.3.3.7 After the main fan and its ancillary equipment are installed and the concrete is completely solidified, the compressor operation test can be carried out.3.3.8 The electric control cabinet of the compressor should be installed within 5m of the compressor, and the wiring from the compressor to the electric control cabinet should be connected by threading pipe, which should go underground. After the electric control cabinet is in place, connect the wiring terminals in the electric control cabinet with the lines at the remote DCS.Company ProfileNantong Dart-Rich Fan Co., LTD. (former as State-Owned Nantong Fan Factory) was founded in 1966. In June 2019, the equity structure reform was carried out and the company became a partnership enterprise; to meet the needs of the company's rapid development, Dart-Rich (Hunan) Fan Co., Ltd. was established in December 2020. The company imported German technology in 2004 and made significant technological breakthroughs in the aspects of product stability, reliability, high efficiency, low noise, wear resistance and temperature resistance, etc. The main drafter of the standard for integral geared assembly type centrifugal steam compressors.Dart-Rich has passed ISO9001, ISO14001, and ISO45001 system certifications. The main products include steam compressors, fans, blowers and, which are widely used in fields such as metallurgy, chemical industry, electric power, environmental protection, building materials, light industry, and new energy. We also provide system optimization solutions and maintenance services for energy-saving renovation of wind systems.Dart-Rich is always persisting in the management innovation, mechanism innovation, culture innovation, and technology innovation, and continues to carry out the construction of digital intelligence, striver culture and "three wisdom", it has a deep insight into the market, constantly promotes the organization fission, improves the comprehensive ability of customer service, and realizes the rapid and healthy development.Dart-Rich adheres to the core values of "Honest and Trustworthy; Dedicated and Professional; Altruism and Mutualism", continuously enhances enterprise value, creates maximum value for customers, and realizes shared responsibility, creation, and sharing among all stakeholders, and committed to becoming the leader of reliable green fluid machinery!Our Advantages1,With the high-efficient 3D flow semi-open impeller, the professional aerodynamic and structural design, the impeller profile is advanced and the blower has a wide range of stable operating condition. The highest polytropic efficiency of the main machine can reach up to 88%.2,With the adoption of a vaneless diffuser, it has a wide operating range.3,The gearbox and compressor are integrated and designed in a compact structure.4,The product is an integral skid-mounted package, consisting of compressor, gear box and motor, which is easy for transportation and installation.5,High degree of automation, good reliability, high efficiency and energy saving, easy operation.After Sales Service1,We insist on "intelligent service" with the purpose of "more accurate, more comprehensive", and have 13 marketing service centres in China, as well as a sales and service network covering the whole world.2,All after-sales service personnel hold passports to respond to overseas maintenance tasks in a timely manner and provide you with 24-hour round-the-clock service during the execution of the project.3,"1191" Service Commitment: Feedback of on-site problems within 1 minute; Respond to the service demand within 1 hour; Reply solution within 9 hours; Personnel to the site within 1 day. 4,After-sales service hotline: 0086-400-625-2668. FAQQ1. Are you a factory?A1. Yes, Dart-Rich has production base in Nantong City Jiangsu Province and Yueyang City, Hunan Province China.Q2. Where is your factory?A2. Our Production base in Nantong City Jiangsu Province, and we have other factory in Hunan.Q3. How long is your warranty?A3. We insist on providing customers with the best protection, the whole machine, 24 months warranty, 36 months warranty for the host.Q4. What certification do you have?A4. At present, we have passed ISO 9001, ISO 14001, ISO 45001 and so on.Q5. What accessories do you use for your machine?A5. Our spare parts and hosts only cooperate with big brands, we insist on winning customers with quality.Q6. How many years of history does your factory have?A6. Our factory started in 1966, we insist on continuous innovation and research and development. In June 2019, the equity structure reform was carried out and the company became a partnership enterprise; to meet the needs of the company's rapid development, Dart-Rich (Hunan) Fan Co., Ltd. was established in December 2020.Q7. Do you have an official website?A7. If you have any questions, please feel free to contact us.Performance RangeThe complete set of pneumatic technology for this product is imported from foreign mature stage model and design software so that we can provide clients with fast and optimal model selection. The products can be divided into 18 series, with applicable flow rate of 1-240 t/h and temperature rise of 8-24oC.Application Areas1,Heat pump distillation.2,Waste heat recovery.3,Environmental protection field: industrial wastewater treatment, lithium battery wastewater treatment, wastewater recycling, landfill leachate treatment, waste incineration fly ash leachate sodium and potassium separation, etc.4,Lithium-Ion battery industry: various process devices such as salt lake lithium extraction, iron phosphate device, ternary precursor wastewater treatment, lithium battery disassembly wastewater treatment, and nickel battery circulation.5,New energy industry: photovoltaic wastewater treatment, polycrystalline silicon wastewater treatment, etc.6,Food & beverage industry:concentration and extraction of amino acids (alanine), concentration and drying of sugar liquid, concentration of beverage jam, etc.7,Pharmaceutical industry: evaporation, concentration, crystallization and drying in the production process of Chinese and Western medicines.8,Chemical industry: caprolactam process polymerization device, polylactic acid PLA device, nylon 66 production device, chelating agent evaporation crystallization, mannitol concentration, anhydrous sodium sulfate evaporation crystallization, organic matter concentration crystallization, fragrance purification, chemical raw material production, etc.9,Metallurgical industry: treatment of sintering desulfurization wastewater, coking wastewater, vanadium extraction wastewater, smelting wastewater, etc.10,Power industry: Treatment of desulfurized wastewater from power stations, etc.
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