Guangzhou Lingjing Refrigeration Equipment Co., Ltd
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    66 Shabu Road, Nangang Street, Huangpu District, Guangzhou City
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Chemical reaction kettle low-temperature refrigeration unit
The LJR-W series chemical low-temperature refrigeration unit is developed by Guangzhou Lingjing Refrigeration Equipment Co., Ltd. based on the advanta
Product details




Chemical chiller unitProduct Introduction




LJR-Wserieschemical industryLow temperature refrigeration unitOn the basis of the advantages of screw chillers in various aspects, Guangzhou Lingjing Refrigeration Equipment Co., Ltd. adopts low-temperature treatment production processes for freezing, refrigeration, and industrial cooling56The rotor twin-screw compressor serves as the refrigeration core, equipped with a condenser and evaporator, using electrical components, supplemented byPLCThe computer control system is assembled through processing technology.

Easy installation

1. The unit has a compact structure, occupies a small area, and saves space in the computer room;

2. When the whole machine leaves the factory, it has been debugged to the on-site use state;

3. The vibration of the unit is small, the foundation does not require isolation measures, and the installation is simple;

4. Built in stainless steel water tank and water pump, only need to connect the evaporator chilled water and condenser cooling water pipes during installation.


15 years of focus on refrigeration equipment


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Chemical reaction kettle chiller unit
model selectionparameter




Water cooled screw type low-temperature refrigeration unitadvantage. Production processes that require low-temperature treatment such as freezing, refrigeration, and industrial coolingLJR-WThe cooling capacity range of the water-cooled screw series is116KWto2560KWThe temperature adjustment range of chilled water is-35℃ to10℃. The unit is equipped with multiple protective devices such as phase sequence protection, motor overload protection, antifreeze protection, high and low voltage protection, etc. The compressor adopts unloading and voltage reduction starting to avoid impact on the power grid. Additionally, it can still be producedR134aR407CR404AWaiting for environmentally friendly refrigerants, saltwater and other products
Due to the chemical industryModel of water-cooled screw low-temperature freezerCould not provide a detailed list. If you have any questions, you can directly consult our customer service staff


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chemical industryreaction kettleSpecialized chiller unitWorking principle




The high-pressure and high-temperature gas from the compressor enters the condenser, and the heat is carried to the outside by the cooling towerOperating substancesBecoming a high-pressure room temperature liquid, the high-pressure room temperature liquid enters the expansion valve throttling mechanism for pressure reduction, and some of the liquid flashes into vapor. These low-temperature and low-pressure gas-liquid two-phase mixtures enter the evaporator, where they exchange heat and cooling with the high-temperature hot water of the customer's industrial equipment. The medium inside the evaporator becomes vapor and returns to the compressor for re compression, completing a cycle. The chiller unit continuously exchanges heat and cools, supplying mechanical equipment and products for cooling.

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Lingjing chiller workshop building



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Lingjing Partner




Provide refrigeration equipment and solutions for 32 different industries! The industry operating conditions used include:Plastic molding, extrusion, bottle blowing, thermal molding, sand grinding, surface treatment, electroplating, electrophoresis, electronics industry, circuit board production, electronic chip manufacturing, chemical industry, food machinery, textile units, coating equipment, printing machinery, grinding machinery, kneading equipment, automotive parts, fermentation tanks, supercritical extraction devices, reaction vessels, light guide plate production, laser technology, engraving machines, wax injection machines, welding, mechanical cutting processing, non cutting processing, casting, papermaking, aluminum profiles, aluminum alloys, tempered glass, coated glass production, ultrasonic cleaning, headwear processing, leather, fur processing, ink production, etc.

Air conditioning chillers are widely used as central air conditioning in hotels and office buildings, plastic cooling, food workshops, bathhouses, and other industries.


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Ling Jing · Cooperative Enterprise


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After Sales



1、 The entire equipment comes with a 12-month warranty.

2、 Customers within the province should arrive at the site for repair within 12 hours of receiving a service call; Customers from outside the province should arrive at the repair site within 24-48 hours of receiving a repair call.

3、 The replacement of spare parts during the warranty period is a product quality issue, and our company provides free replacement. After the warranty period expires, spare parts need to be replaced.

4、 Free pre-sales and after-sales technical support.


5、 If it is necessary to replace the main components (such as condenser, evaporator or compressor), the maintenance time will be controlled within 72 hours to complete the entire repair.

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Purchase Notes


Lingjing Company can provide value-added tax invoices for 13 points.

2.Due to differences in region and product weight, shipping costs may also vary for chiller unitsPlease contact our personnel to verify the specific shipping cost.




Company Profile



Guangzhou Lingjing Refrigeration Equipment Co., Ltd., with a registered capital of 8 million, is an industrial refrigeration and low-temperature freezing high-tech enterprise that integrates research and development, manufacturing, sales, and services. Focusing on the development of the refrigeration industry, we provide refrigeration solutions for industries such as plastics, electronics manufacturing, electroplating, chemicals, printing, food, new materials, surface treatment, photovoltaics, etc!

Lingjing's cooperative enterprises: Coca Cola Company, Dali Garden Group, Libai Group, Daohuaxiang, China Railway Construction Corporation, etc

The company's main products include: water-cooled screw chillersAir cooled screw chiller unitLow temperature chilled water unitAir cooled (water-cooled) vortex box type chiller unitFreon water-cooled (air-cooled) industrial chillers, air-cooled heat pump chillers, environmentally friendly and energy-saving maglev chillers, water-cooled full liquid chillers, freezers, ice water machines, refrigeration machines, central chillersAir conditioning type chiller unitWorkshop air conditioning units, etc., and customized production of chiller units according to customer actual needs.

In March 2007, it was awarded the title of "Contract abiding and Creditworthy Enterprise" by the Guangzhou Administration for Industry and Commerce, and was designated as a subsidiary party branch of a non-public enterprise by the Provincial Organization Department in the same year; In 2008, it was awarded the title of "Environmental Protection Credit Commitment Unit"; In April 2009, it was awarded the title of "AAA+Chinese Quality Credit Enterprise" by the China Quality Credit Evaluation Center, and in the same year, it was also awarded the title of "Consumer's Most Trusted Quality Trustworthy Brand"; In 2012, it was awarded the title of "Strategic Partner of CCTV Investment Channel 2012-2013".


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