Closed cycle low-temperature screw chiller - Closed cycle low-temperature screw chiller Closed cycle refrigeration systemProduct Introduction

LJR-WseriesThe low-temperature chiller unit is a series of products developed, designed, and produced by Guangzhou Lingjing Refrigeration Equipment Co., Ltd. based on the advantages of traditional screw chillers in various aspects, specifically for production processes that require low-temperature treatment such as freezing, refrigeration, and industrial cooling,Can use a twin-screw compressor as the refrigeration core, equipped with a condenser and evaporator, electrical components, and auxiliaryPLCComputer control system, assembled through processing technology,

Easy installation

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

2When the whole machine leaves the factory, it has reached the on-site use state;

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

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

Closed cycle low-temperature screw chiller - Closed cycle low-temperature screw chiller Closed cycle refrigeration systemmodel selectionparameter

Water cooled screw type low-temperature refrigeration unitadvantage. It is designed for 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 producedR134a、R407C、R404AWaiting for environmentally friendly refrigerants, saltwater and other products.（due toWater cooled screw type low-temperature refrigeration unitmodelCould not provide a detailed list. If you have any questions, you can directly consult our customer service staff）

Model name:

LJR-A-D-B-C

LJR: 'Ling Jing'Brand screw chiller unit

AUnit code

D: Low temperature type

B：S(Single machine)D(Dual machine)T(Three machines)

C:H(Temperature of frozen water outlet)0℃)M(Temperature of frozen water outlet)-5℃）

S(Temperature of frozen water outlet)-10℃)L(Temperature of frozen water outlet)-15℃）

Model and performance parameters of water-cooled screw type low-temperature freezing unit (outlet temperature)0℃）

Note: Nominal cooling capacity benchmark: evaporator inlet and outlet water temperature of 5 ℃/0 ℃, condenser inlet and outlet water temperature of 30 ℃/35 ℃, fouling coefficient of 0.088m2 ℃/kw

Temperature range of frozen water: 0 ℃ -10 ℃: Ethylene glycol concentration of 20%:

Closed cycle low-temperature screw chiller - Closed cycle low-temperature screw chiller Closed cycle refrigeration systemWorking 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 cool 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 down mechanical equipment and products.

Ling JingWater cooled screw type low-temperature refrigeration unitworkshop plant

Ling JingWater cooled screw type low-temperature refrigeration unitcooperative 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.

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, we can provide replacement parts.

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 enterprise that integrates research and development, manufacturing, sales, and services. Focused on the development of the refrigeration industry for 16 years, equipped with refrigeration solutions for industries such as plastics, electronics manufacturing, electroplating, 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; At the same time, customized production of chiller units can be carried out according to the actual needs of customers.

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".