| Customization: | Available |
|---|---|
| After-sales Service: | Yes |
| Warranty: | 1 Year |
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MVR, known as mechanical vapor recompression, represents a cutting-edge energy-saving technology. This innovative approach drastically reduces the need for external energy by ingeniously recycling the secondary steam energy it produces. The core principle focuses on compressing the evaporator's secondary steam using a high-efficiency steam compressor, which skillfully transforms electrical energy into thermal energy. As a result, the pressure and temperature of the secondary steam are elevated, and this increased temperature efficiently returns the steam to the evaporator. Here, it provides the necessary heat to the materials, inducing evaporation and effectively recycling the latent heat of vaporization of the secondary steam.
The DML series low temperature rise steam compressor is expertly engineered and primarily consists of a sophisticated compressor body that includes an advanced volute, a high-performance impeller, a robust main shaft, a durable bearing housing, and an efficient seal. In addition, it features a precision coupling, a powerful motor, and a refined electric instrument, providing a comprehensive package for enhanced performance and reliability.
3.3.1 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 be
manufactured and installed by the user according to the actual situation, and the contact surface shall be finished (even contact of inclined
plane, 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 horizontal
level 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 Once the main fan and its accompanying equipment are meticulously installed, and the concrete has fully hardened to ensure stability, you can proceed to conduct the highly anticipated compressor operation test. This pivotal step marks the beginning of performance verification, ensuring that the system operates at peak efficiency and reliability.
3.3.8 The compressor's electric control cabinet must be strategically positioned within a 5-meter radius of the compressor itself. For optimal safety and efficiency, the wiring that connects the compressor to this control hub should be securely threaded through underground piping. Once the cabinet is firmly set in position, it is crucial to meticulously link the wiring terminals within the cabinet to the corresponding lines at the remote DCS. This connection facilitates seamless communication and control.
Nantong Dart-Rich Fan Co., LTD. (formerly known as State-Owned Nantong Fan Factory) proudly traces its roots back to 1966. Undergoing a transformative equity structure reform in June 2019, the company evolved into a partnership enterprise. In response to the accelerating pace of development, Dart-Rich (Hunan) Fan Co., Ltd. was inaugurated in December 2020, further enhancing our commitment to innovation and growth. In 2004, we imported cutting-edge German technology, achieving notable advancements in product stability, reliability, and efficiency. Our products boast low noise, superior wear, and temperature resistance. We are proud to be the principal architects of the standard for integral geared assembly type centrifugal steam compressors.
Dart-Rich adheres to the highest standards, having secured ISO9001, ISO14001, and ISO45001 certifications. Our diverse portfolio includes steam compressors, fans, and blowers, serving industries like metallurgy, chemical sectors, power generation, environmental protection, construction materials, light industry, and new energy. Additionally, we offer comprehensive system optimization solutions and maintenance services for energy-efficient wind system renovations.
Innovation is at the heart of Dart-Rich, driving management, mechanism, cultural, and technological advancements. We are building a digital intelligence framework, embracing a culture of striving and the principles of 'three wisdom.' With keen market insights, we promote organizational evolution, enhance customer service capabilities, and ensure sustained, robust growth.
Guided by the core values of 'Honesty and Trustworthiness; Dedication and Professionalism; Altruism and Mutualism,' Dart-Rich is committed to enhancing enterprise value while maximizing customer benefits. We aim to foster shared responsibility and collective growth among stakeholders, striving to be the pinnacle of reliable, eco-friendly fluid machinery innovation!
1, Our impellers are masterfully forged and expertly shaped using precision molds, crafted from robust duplex stainless steel. This premium material not only offers superior anti-corrosive properties but also boasts exceptional wear resistance, ensuring long-lasting durability.
2, We incorporate SKF rolling bearings with advanced oil spray lubrication, providing seamless operation and reliability, enhancing the overall performance of the compressor.
3, The innovative shaft seal utilizes a carbon ring seal structure combined with inflation or vacuum units. This cutting-edge design guarantees impeccable isolation between the bearing housing and compressor volute, optimizing performance and longevity.
4, Designed for ultimate convenience, our compressor unit features an integral skid-mounted design. This allows for effortless transportation and installation, bringing efficiency and ease to your project setup.
5, Experience unparalleled automation with our system's high degree of automation. Easy to handle and operate, it offers real-time monitoring of pressure and vibration parameters, while frequency control supports variable working conditions. This ensures the compressor runs with optimal efficiency, adapting seamlessly to your specific needs.
1, We insist on delivering 'intelligent service' with the guiding principle of being 'more accurate, more comprehensive'. We proudly operate 13 marketing service centres across China, complemented by a global sales and service network that ensures our reach and support extend worldwide.
2, Our dedicated after-sales service personnel are always ready, passports in hand, to swiftly respond to overseas maintenance requests. We offer unwavering 24-hour, round-the-clock service, ensuring seamless support throughout your project’s lifecycle.
3, '1191' Service Commitment: We pledge to provide feedback on on-site issues within an astonishing 1 minute; Commit to responding to service requests within 1 hour; Deliver a resolution proposal within 9 hours; and ensure our personnel arrive on-site within 1 day.
4, For any after-sales inquiries, please contact our dedicated service hotline: 0086-400-625-2668.
Q1. 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.
Originating from the pinnacle of international innovation, this product features a complete set of cutting-edge pneumatic technology, directly imported from advanced foreign models and sophisticated design software. Tailored to deliver rapid and precise selection for users, our products are meticulously categorized into 5 distinguished series. Experience an expansive applicable flow range from 4 to an impressive 250 t/h, coupled with a precise temperature rise between 4 and 11.2ºC, ensuring outstanding performance and adaptability.
1. Heat Pump Distillation: Revolutionizing energy efficiency, our cutting-edge technology optimizes distillation processes to ensure maximum heat utilization.
2. Waste Heat Recovery: Harness the power of residual heat with our steam compressor, transforming waste into a valuable resource for energy conservation.
3. Environmental Protection Field: Pioneering solutions for industrial wastewater treatment, including lithium battery wastewater, recycling processes, landfill leachate treatment, and effective separation of sodium and potassium in waste incineration fly ash leachate.
4. Lithium-Ion Battery Industry: From salt lake lithium extraction to iron phosphate devices, and efficient treatment of ternary precursor and disassembly wastewater, our technology supports sustainable battery lifecycle management.
5. New Energy Industry: Leading the way in renewable energy, we provide innovative solutions for the treatment of photovoltaic and polycrystalline silicon wastewater, contributing to a cleaner future.
6. Food & Beverage Industry: Elevate the quality and efficiency of production with advanced techniques for concentrating and extracting amino acids (such as alanine), sugar liquid drying, and optimizing beverage jam concentration.
7. Pharmaceutical Industry: Enhance the production of Chinese and Western medicines through superior evaporation, concentration, crystallization, and drying processes, ensuring high-quality pharmaceutical outcomes.
8. Chemical Industry: Delivering excellence with process devices for caprolactam polymerization, polylactic acid (PLA), nylon 66 production, chelating agent evaporation crystallization, and more, including fragrance purification and organic matter concentration.
9. Metallurgical Industry: Expert treatment solutions for challenging wastewaters, including those from sintering desulfurization, coking, vanadium extraction, and smelting, for a cleaner and safer environment.
10. Power Industry: Comprehensive treatment solutions for desulfurized wastewater from power stations, contributing to sustainable and compliant power generation.
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