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    What are the protective devices of the air-cooled chiller refrigeration compressor? What is the role

    What are the protective devices of the air-cooled chiller refrigeration compressor? What is the role 1. Internal thermostat (installed inside the compressor) In order to prevent the 24-hour uninterrupted operation of the air-cooled chiller, resulting in high-load operation of the compressor, defective electromagnetic switches, overcurrent caused by shaft holding, etc., or motor burnout caused by motor temperature, etc. The internal thermostat, which is installed on the neutral contact of the three-phase motor, protects the motor by cutting off the three phases at the same time when an abnormality occurs. Second, the electromagnetic switch The electromagnetic switch is to control the operation of the refrigeration compressor of the air-cooled chiller of the air-cooled chiller. The switch is stopped for the purpose of stopping, and it must be kept vertical during installation. If the installation is wrong, the pressure of the node spring will change, resulting in noise. , Resulting in lack of phase operation, for compressors equipped with a direct power-off protector, there is no need to load a protector. Three, reverse phase protector The structure of the scroll compressor and the piston compressor is different, and it cannot be reversed. The reverse phase of the three-phase power supply of the air-cooled chiller will cause the compressor to reverse, so it is necessary to install a reverse phase protector to prevent the refrigeration compressor from reversing . After the reverse phase protector is installed, the compressor can run in the normal phase, and does not operate in the reverse phase. When the reverse phase occurs, the two lines of the power supply can be changed to normal phase by swapping. Four, exhaust temperature protector In order to protect the compressor during high-load operation or lack of refrigerant, an exhaust temperature protector needs to be installed in the air-cooled chiller system. The exhaust temperature is set to 130±5°C to compress When the machine stops, this temperature value refers to the temperature detected by the compressor exhaust pipe within 10cm from the outlet. 5. Low-voltage switch In order to protect the air-cooled chiller compressor when the refrigerant is running low, a low-pressure switch is required. When it is set above 0.03mpa, the compressor stops running. Once the compressor is running in a state of insufficient refrigerant, the temperature of the compressor part and the motor part will rise instantaneously. At this time, the low-pressure switch can damage the compressor and the motor that the internal temperature and exhaust temperature protector cannot protect. Burn down for protection. 6. High voltage switch The compressor can be stopped when the high-pressure pressure rises abnormally, and the operating pressure is set below 3.0mpa.

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    What are the protective devices of the air-cooled chiller refrigeration compressor? What is the role

    06/14/2020

    What are the protective devices of the air-cooled chiller refrigeration compressor? What is the role

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    Introduction to screw refrigeration compressors and precautions for use (technical sharing)

    06/14/2020

    Introduction to screw refrigeration compressors and precautions for use (technical sharing)

    Introduction to screw refrigeration compressors and precautions for use (technical sharing) Screw refrigeration compressors and piston refrigeration compressors have the same gas compression method, and both belong to volumetric compressors, which means 器2䀀ￜ皥䖒皦즠Ʋ嫜ི㲈Ʋ䌁皦ᮔDž༬皧嫦ིЀ呄ᠾ鹨់༹皧ࠄ00령ꐱ댁珵뛐珵Љ䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ￜ皥ب巠皱㙲皦忈皱੨皦柘皱즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦 ᮔDž'鱤džၜ먢䇨珵呈ᠾ뤂ᐱ⿇⬿먲僧ᐱ㥲ᐲ�僬㣢ᐲᠾ랖僧ڬ識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 㥲ᐲ

    Inspection method of screw refrigeration compressor (technical sharing)

    06/14/2020

    Inspection method of screw refrigeration compressor (technical sharing)

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    Analysis of the causes of liquid compressor blowdown

    06/14/2020

    Analysis of the causes of liquid compressor blowdown

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    Notes on abnormal shutdown of refrigeration compressor

    06/14/2020

    Notes on abnormal shutdown of refrigeration compressor

    Notes on abnormal shutdown of refrigeration compressor Abnormal shutdown is generally an accident shutdown, mainly in the following situations. 1) Sudden power failure and shutdown. If the refrigeration compressor is suddenly powered off, you shou器2䀀ￜ皥䖒皦즠Ʋ煔क़㲈Ʋ䌁皦ᮔDž༬皧煞क़Ѐ呄ᠾ鹨់༹皧ࠄ00령ꐱ댁珵뛐珵Љ䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ￜ皥ب巠皱㙲皦忈皱੨皦柘皱즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦 ᮔDž'鱤džၜ먢䇨珵呈ᠾ뤂ᐱ⿇⬿먲僧ᐱ㥲ᐲ�僬㣢ᐲᠾ랖僧҂識�僬㣢ᐲ臆S㥲ᐲᬄğ識

    The refrigeration compressor exploded! Personal experience tells the whole process...

    06/14/2020

    The refrigeration compressor exploded! Personal experience tells the whole process...

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    Maintenance manual of semi-hermetic refrigeration compressor

    06/14/2020

    Maintenance manual of semi-hermetic refrigeration compressor

    Maintenance manual of semi-hermetic refrigeration compressor Compressor Maintenance Good maintenance is the basic guarantee for the safe operation of the compressor unit, extended service life and reduced operating costs. To this end, the maintenance of 器2䀀ￜ皥䖒皦즠Ʋ煔क़㲈Ʋ䌁皦ᮔDž༬皧煞क़Ѐ呄ᠾ鹨់༹皧ࠄ00령ꐱ댁珵뛐珵Љ䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ￜ皥ب巠皱㙲皦忈皱੨皦柘皱즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦 ᮔDž'鱤džၜ먢䇨珵呈ᠾ뤂ᐱ⿇⬿먲僧ᐱ㥲ᐲ�僬㣢ᐲᠾ랖僧Ѭ識�僬㣢ᐲ臆S㥲ᐲᬄğ

    Detailed process of refrigeration compressor replacement

    06/14/2020

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    Detailed process of refrigeration compressor replacement After confirming that there is only a problem with the compressor and it needs to be replaced, proceed to prepare for the replacement of the compressor. Specific steps are as follows:

    Causes of liquid shock in refrigeration compressors

    06/14/2020

    Causes of liquid shock in refrigeration compressors

    Causes of liquid shock in refrigeration compressors 1) Too much refrigerant is added to the entire refrigeration system. 　　 2) The throttle valve is opened too large, or the adjustment is malfunctioning. 　　 3) The evaporation area is too sm器2䀀ￜ皥䖒皦즠Ʋ煔क़㲈Ʋ䌁皦ᮔDž༬皧煞क़Ѐ呄ᠾ鹨់༹皧ࠄ00령ꐱ댁珵뛐珵Љ䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ￜ皥ب巠皱㙲皦忈皱੨皦柘皱즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦 ᮔDž'鱤džၜ먢䇨珵呈ᠾ뤂ᐱ⿇⬿먲僧ᐱ㥲ᐲ�僬㣢ᐲᠾ랖僧ք識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 㥲ᐲ

    Disassembly and maintenance of industrial screw refrigeration compressor

    06/14/2020

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