What are the causes of the blockage of the cooler?

The LNEYA Chiller Cooler HRT whole system is a closed liquid circulation system with the expansion of container, expansion of the container and the liquid circulation is adiabatic, and do not participate in liquid circulation, only mechanical connection, regardless of the temperature is a high temperature or low temperature, the tank temperature is limited to 60℃.

The cycle is closed, there is no oil mist at high temperature and no water vapor at low temperature; Wide working temperature range of heat transfer oil; The entire circulation system without the use of the mechanical and electric valve.

The cooler is a very important part of the screw air compressor. The main function is to cool the lubricating oil of air compressor and the compressed air. If it's blocked, then the temperature will go up. A main cause of the air compressor failure at high temperature is the blockage of the cooler.

Dust is the most common cause of air compressor cooler blockage. It usually happens when there is no dust cleaning for air compressor cooler for a long time. On the other hand is the dusty environment around the air compressor.

If the place of air compressor station is harsh, and it is not well protected, blockage also occurs. For example, things as the broken thread of textile industry, sawdust of furniture factory, iron filings of steel works float in the air and stick to the cooler will lead to blockage.

Some users bought bad-quality air compressor lubricants out of their bargin-loving heart. Or if the air compressor runs in a high temperature for a long time, the inside of the cooler will form carbon and cause blockage. Reducing the amount of lubricating oil flowing through the radiator, results in poor heat dissipation.

There are three main reasons for the blockage of air compressor cooler, and we'd like to inform you to prevent the clogging of the cooler, ensure the normal operation of the cooler and improve the production efficiency. At the same time, it also requires users to clean the coolers daily, do the maintenance work in time, and find professional after-sales staff to deal with the problem.

Web：https://www.lneya.com
Mail：sales@cnzlj.com

Maintenance for Lubrication System of Water Cooled Chiller Plant

Medium-sized low-temperature freezer, refrigeration temperature range from -80 ℃ ~ -30℃, safe, reliable, rapid cooling for the liquid, widely used in petrochemical, medical, pharmaceutical, biochemical and freeze-dried, military and other high-tech industries.

When the chiller is below 80 ℃ ~ 30 ℃ below zero in the running system, people pay more attention to refrigerator, frozen water cycle system and electric control system, so the lubrication system is often overlooked. However, this system is also very important to the chiller. The maintenance of the chiller is indispensable, now we are going to tell you something about it.

1. Observe the normal oil surface, oil temperature and oil pressure in the daily inspection.

2. Regularly check the oil quality according to the oil change index stipulated in the frozen lubricating oil, and replace or supplement the filtered new oil.

3. Pay attention to check and adjust the end face clearance of the oil pump in the middle and overhaul, and replace the pump when necessary. The end face clearance of the pump varies from 0.03 to 0.08mm. Please refer to the assembly technical requirements and factory regulations of the pump for concrete value.

4. Regularly replace or clean the filter core, pipeline, and crankcase.

The maintenance of the lubrication system of the chiller requires techniques, which mainly involves the performance of the compressor's main engine. It is recommended to be operated by professionals to avoid unnecessary losses.

Web：https://www.lneya.com
Mail：sales@cnzlj.com

Adding VOCs gas condensate recovery unit market investment to create green power in the industry

In recent years, due to the deteriorating atmospheric environment and various environmental problems, people are paying more and more attention to the emission of volatile organic gases in the atmosphere. Volatile organic compounds, also known as VOCs, have many types of gases and are easily spread. At present, governance is also a "difficult situation" and it is an urgent issue at the moment.

As a refrigeration and temperature control equipment company from China, LNEYA has been established for more than ten years, focusing on various refrigeration heating dynamic temperature control systems and VOCs gas condensation recovery devices, introducing volatile VOCS gas into the equipment cold box (the device is more condensed) Temperature 3 ° C -40 ° C -75 ° C -115 ° C) can be customized for other temperature zones, follow-up demand for gradual condensing liquefaction, part of the continuous production process in the low temperature section has done a two-way switching process (one side of the ice block, but directly Switch to another heat exchange cold box for condensation, while the ice block side is used for defrost treatment).

The state increases environmental protection supervision and promotes industry development

With the continuous development of environmental supervision, a number of policies and standards have been introduced for VOCs gas emissions. Many enterprises that have not been valued have already tasted bitter results. Now they have to actively face VOCs gas emission problems. The VOCs emission industry, which was not valued at present, has been included in the key regulatory scope, and the entire industry is moving towards a healthier development direction. It is a very good news for companies that make VOCs gas condensation recovery devices. Emissions companies pay more attention to pollution emissions, and will also invest relative funds to purchase environmentally friendly treatment equipment for VOCs gas condensate recovery units. Therefore, there will be more market opportunities for VOCs gas condensate recovery equipment suppliers. In the future, the prospects for the environmental protection market for VOCs gas condensate recovery units will become more and more broad.

Green Power - VOCs Gas Condensation Recovery Unit Stands Out

For the control of VOCs, there are many conventional VOCs treatment technologies on the market, such as combustion method and activated carbon adsorption method. Most of these conventional technologies have high operating costs, secondary pollution, narrow application range, etc. Aspects also limit the development process of China's VOCs emission reduction. Therefore, the demand for new VOCs governance technology is also increasing. The LNEYA VOCs gas condensate recovery unit adopts a condensation adsorption process. The gas is cooled by transferring heat to the refrigerant in the condensing unit heat exchanger, and the oil vapor is supersaturated by the difference in the saturated vapor pressure at different temperatures. The condensed liquid is directly recovered, and a small part of the gas enters the latter unit for reprocessing. This green treatment method is deeply loved by users and contributes to China's environmental protection cause.

The light of technology leads the industry

LNEYA provides customers with high-quality services with professional technology and innovative ideas, and contributes to China's environmental governance. At the same time, LNEYA will focus on solving customers' wide temperature refrigeration heating temperature control problems and reducing refrigeration heating system performance. Cost, provide competitive system solutions and services, continue to create greater value for customers, continue to carry out technological innovation, while exerting core technological advantages, continuously improve and upgrade products according to customer needs. Give more users more convenient and practical environmental products and solutions, and make a modest contribution to the environmental protection market.

Web：https://www.lneya.com
Mail：sales@cnzlj.com

Maintenance of Glycol Cooling Heating Control System

Apart from the attention needed during the daily use, the regular check and maintenance of Glycol Cooling Heating Control System are also very important. In order to help all of you learn to use Glycol cooling heating more efficiently,   Guanya Refrigeration sort out related maintenance, so that you can use it in time.

Screw Compressor

Screw compressor is a very important part of ethylene glycol refrigerator, and the compressor is directly related to the stability of the unit. If the compressor has something wrong, In view of the high precision of the assembly precision of the screw compressor, the factory is usually required to carry out the maintenance, so it needs to be paid more attention in the ordinary use process in using.

Condensers and Evaporators

Is there is something wrong with the Glycol cooling heating control system, in view of the high precision of the assembly precision of the screw compressor, the factory is usually required to carry out the maintenance, so the compressor needs to be paid more attention in the ordinary use process.

Washing of condensers and evaporators

The cooling water of the water-cooled condenser of glycol refrigeration unit is open loop circuit. The circulating water is usually used by the cooling tower. When calcium the content of salt and magnesium salt in water is large, it is easy to decompose the fouling between the pipe and rock, and the heat transfers. Once the scale of the condenser of glycol cooling system is too thick, the cross section of the cooling water will decrease, the water volume will decrease and the condensing pressure will increase. Therefore, when the water quality of the cooling water is poor, the cooling water pipe should be washed at least once a year to remove scale and other contaminants. Of course, not only glycol cooling system but other other related cooling equipment used for a period of time, their maintenance knowledge is needed to learn in everyday use.

Web：https://www.lneya.com
Mail:sales@cnzlj.com

Instructions to Use Industrial Cryogenic Refrigerator

Industrial refrigerators are one of the cold water machines. It is classified according to the cooling mode of the cold water machine itself. It is divided into air cooling type refrigerators and water cooled refrigerators.

Industrial Cryogenic Refrigerator

Structural features: a standard refrigerator freezer is composed of a compressor, condenser, evaporator, filter drier, expansion throttling valve of the five most series, note the amount of refrigerant inside (refrigerant), the electrical appliances (including controller) according to the requirement of the environment and control the operation of the compressor to achieve the purpose of heat transfer and refrigeration.

With the progress of the society, the industry has also been developed rapidly. Today, we will discuss the use of the laboratory refrigerator (industrial refrigerator).

1. Always check the sealing strip of the outer door.

2. Place it firmly and horizontally on the ground when carrying.

3. Clean the filter once a month (use a vacuum cleaner to suck, rinse it with water, finally dry and reset the filter), and suck the dust on the internal condenser with a vacuum cleaner in every two months.

4. When defrosting, you should cut off the power and open the door. When the ice and cream begin to melt, put in each layer of the refrigerator clean and bibulous cloth.

5. Clean it every month to make sure it is clean.

6. Remove the small amount of the dustin the fridge on the internal and external and accessories with dry cloth. If the fridge is too dirty, use neutral detergent and wash thoroughly with clean water after washing. Do not rinse the inside and upside of the refrigerator with water, otherwise, it will damage the insulation and cause failure.

7. Don't put the lubricating oil to the compressor and other mechanical parts.

8. Take care when cleaning the fans in the back of the compressor.

9. The maintenance and maintenance of cryogenic refrigerator is particularly important to extend the life and the normal use. If the temperature control is not accurate, it often leads to damage the saved objects which will cause great influence to the experimental results, thus affecting the normal work.

Web：https://www.lneya.com
Mail：sales@cnzlj.com

How to choose the pipeline for condensing adsorption recovery vocs?

Condensate adsorption recovery vocs device at the time of selection, its system configuration needs to be clear to be able to buy with confidence, then, the condensation adsorption recovery vocs pipeline attention points, how to choose?

Condensate adsorption recovery vocs should be as short as possible in the pipeline connection with the controlled substance, reduce bending, when the pressure of the circulation pipeline is too large, the pipeline pressure is insufficient, it will cause the pipeline, the reactor to crack, high temperature, The possibility of spraying low-temperature heat-conducting medium may cause injury, burns, frostbite and ignition of flammable materials, pollution caused by loss of reactants, property damage, and even poisoning of personnel.

The pipeline connection should be sealed and firm, and it has measures such as anti-vibration, grounding, rust prevention and pressure keeping. It can effectively prevent the pipeline from vibrating and corroding, causing cracks and leakage, and there is a danger of static electricity.

Condensate adsorption recovery vocs When connecting with controlled equipment, pay attention to the link of the pipeline, do not have the interface error, generally the liquid outlet corresponds to the inlet, the inlet is connected to the outlet, if it is water-cooled, The water outlet corresponds to the water return port, the water inlet corresponds to the water outlet, and the liquid discharge port (used when the heat medium is replaced) corresponds to the waste liquid collection and collection port.

In the selection of the pipeline, if the use of improper / damaged hoses and / or hose joints, it will lead to personnel injury, it is recommended that the metal insulation hose temperature range -60 ~ 250 ° C; pressure ≤ 2.5 bar.

Condensate adsorption recovery vocs When you carefully configure the metal insulation hose and other pipelines, please refer to their pressure and overpressure capabilities, caliber, and temperature range. At this time, it is necessary to consider the head pressure of the circulating pump inside the equipment. It is recommended that the condensing adsorption recovery vocs should select a pipeline of good quality and sufficient volume such as seamless steel pipe.

Web：https://www/lneya.com
Mail：sales@cnzlj.com

Low temperature freezer (explosion proof) product application instructions

LNEYA low temperature freezer (explosion proof) is mainly used for low temperature storage in chemical explosion areas. The equipment adopts microcomputer control, multiple safety protection and more reliable operation; single compressor automatic cascade supercooling refrigeration technology; the compressor adopts Secop and France Taikang brand, contactors and circuit breakers all adopt Schneider brand, which shows the high pressure of the refrigeration system. Low pressure; self-diagnosis function, freezer overload protection, high pressure switch, overload relay, thermal protection device and other safety guarantee functions, fully guarantee the safety of use; double seal, mold heat insulation layer, ultra-thick polyurethane foam insulation layer, thermal insulation performance Good; user-friendly design, flexible and convenient.


Multi-fault alarm (over-temperature alarm, sensor alarm, high-voltage alarm, compressor overheat alarm); power-on delay protection; air pressure balance hole ensures that the door can be opened smoothly and easily every time. Temperature recording function: record body temperature and set temperature. Alarm recording function: Independently record fault alarms.

Single-phase power supply 220V 50HZ (other specifications can be customized), aluminum alloy isolated explosion-proof motor, wind vane, compressor installed in fire cabinet, explosion-proof electrical cabinet, fire temperature sensor, pressure protector installed on fire cabinet, all components are Safety grounding, explosion-proof product installation license number: PCEC-2017-B025.

Web：https://www.lneya.com
Mail：sales@cnzlj.com