Global one-stop procurement platform for industrial spare parts.
support01@okmarts.com service@okmarts.com hydraulic@okmarts.com
Display the website inEN
EN
translate to EN
EN
translate to ES
ES
translate to العربية
العربية
All
Belimo
Belimo
Honeywell
Honeywell
Johnson Controls
Johnson Controls
Schneider
Schneider
SIEMENS
SIEMENS
SMC
SMC
All Brands
All Brands
    • a
    • b
    • c
    • d
    • e
    • f
    • g
    • h
    • i
    • j
    • k
    • l
    • m
    • n
    • o
    • p
    • q
    • r
    • s
    • t
    • u
    • v
    • w
    • x
    • y
    • z
    • 3
    • 7

    The relationship between the start of the compressor with liquid and the migration of refrigerant and the solution

    The relationship between the start of the compressor with liquid and the migration of refrigerant and the solution One, start with liquid First, let's define what is called liquid start. When the refrigeration unit is in the shutdown state, there is refrigerant liquid in the compressor casing. The next time the compressor is started, the refrigerant liquid will damage the lubrication of the compressor, and the refrigerant liquid will start in the compressor. It is called start with fluid. The main culprit with liquid start-up is the large amount of refrigerant mixed in the lubricant! When the compressor starts, the pressure suddenly drops, and these refrigerants will suddenly boil, causing the oil to foam. This phenomenon is very similar to the bubbling phenomenon of cola when people suddenly open cola bottles in daily life. The duration of blistering is related to the amount of refrigerant, which usually reaches several minutes or more than ten minutes. A lot of foam floated on the oil surface, even filling the crankcase. Once these bubbles are sucked into the air cavity through the air inlet, the bubbles will be reduced to a liquid. This liquid is a mixture of lubricating oil and refrigerant, which is easy to cause liquid shock. And how did the refrigerant that caused the start with liquid enter the crankcase? First of all, it is not ruled out that the imperfect design or commissioning of the system leads to part of the refrigerant flowing back to the compressor under the neutral effect when the compressor is stopped. Secondly, it enters the crankcase in the manner of "refrigerant migration". The flow of refrigerant under the influence of gravity is easy to understand, what about refrigerant migration? To solve the problem, we must first understand what "refrigerant migration" is to eliminate the root cause. Second, what is refrigerant migration? When the compressor is stopped, liquid refrigerant accumulates in the compressor crankcase, which is refrigerant migration. As long as the compressor temperature is lower than the temperature in the evaporator, this phenomenon will occur because the temperature difference will cause a pressure difference between the compressor and the evaporator, driving the refrigerant to move to a colder place. This phenomenon is most likely to occur in cold weather, but for air conditioners and heat pump devices, the condensing unit is far from the compressor, even if the ambient temperature is high, it may happen. Refrigerant migration is a slow process. The longer the compressor is stopped, the more refrigerant will migrate into the lubricant. This process will continue as long as there is liquid refrigerant in the evaporator. There are five suggestions for the measures to prevent the start of carrying liquid with refrigerant migration: There are five suggestions for the measures to prevent the start of carrying liquid with refrigerant migration: 1. Install the liquid pipe solenoid valve. After the unit is shut down, the solenoid valve is closed at the same time, and most of the refrigerant liquid is trapped on the high pressure side, which greatly reduces the possibility of liquid start. 2. Install the compressor electric heating belt. After the compressor is stopped, the electric heating belt is energized to heat the oil sump, maintain the heat input, maintain the high temperature of the oil sump, evaporate the refrigerant liquid in the oil sump, and avoid the influence of the liquid foam started next time. 3. The design of the return air pipeline is inverted U-shaped. After the shutdown, due to the high and low drop between the evaporator and the compressor, due to the effect of its own weight, the liquid in the evaporator migrates to the compressor. At the next start, the evaporator operates in advance to evaporate the liquid into gas to ensure Safety. 4. Install the gas-liquid separator. 5. The unit is pumped down.

    Recent related posts

    The relationship between the start of the compressor with liquid and the migration of refrigerant and the solution

    01/08/2021

    The relationship between the start of the compressor with liquid and the migration of refrigerant and the solution

    The relationship between the start of the compressor with liquid and the migration of refrigerant and the solution One, start with liquid First, let's define what is called liquid start. When the refrigeration unit is in the shutdown state, there is ref器2䀀ￜ皥䖒皦즠Ʋ奌ི㲈Ʋ䌁皦ᮔDž༬皧奖ི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Ҡ識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 

    REFRIGERATION COMPRESSOR TYPES: WHICH IS THE BEST SOLUTION?

    01/08/2021

    REFRIGERATION COMPRESSOR TYPES: WHICH IS THE BEST SOLUTION?

    By ARANER Posted  In Refrigeration, Our Most Popular Post With the increasing need for refrigeration, compressors are being developed in numbers and with better technology. However, the basics still stand. With the many refrigeration compressor types a器2䀀ￜ皥䖒皦즠Ʋ㎄ᰙ㲈Ʋ䌁皦ᮔDž༬皧㎎ᰙ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理艏S杴 識杴 㥲ᐲ琉蒠S識器 直囬ᐱ囸ᐱ嵭僦㠦ᐲᔇ僦囸ᐱ殺廼僦囬ᐱᙐ僦㠲ᐲ嵥僦直ᙧ僦㠲ᐲ令ᙐ僦㣮ᐲ嵭僦林ᙧ僦㣮ᐲ龍톺珵㥲ᐲ枬  퀖珵林춌珵蓄Cᴨ먢塚赺C直ᵘ먢塚㥲ᐲ礼藚C識直杴 器器蘯C礼器垘ᒣ識靖ﮰ﨤虣C器﯈擜 ﮰ直杴 梅擩 ﯈祖斥 ﯈ﯤ未 ﯈ꍀᒥ⺠ᅗ䠠  뤂ᐱ ᧪ᐲ 뤂ᐱ 㥲ᐲ 뤂ᐱ ᧪ᐲ 뤂ᐱ ᧪ᐲ 㗚ᐲ嫜ི⹤ᅗ 뤂ᐱ ￿ ￿曐ᅤﱄﱈ㕐ϵĂぬᒢﱐὣ¢ﰸﱄﯰ⁝¢ﱐﯼ⃶¢ﱐﱘ↯¢ﱐꍀᒥﺨᾃരΞ뮼ᒣ࿢΄

    IMPACT OF CORONA ON REFRIGERATION COMPRESSOR MARKET 2020 GLOBAL INDUSTRY SIZE, FUTURE GROWTH BY 2026 INFICON, ROBINAIR, TESTO

    01/08/2021

    IMPACT OF CORONA ON REFRIGERATION COMPRESSOR MARKET 2020 GLOBAL INDUSTRY SIZE, FUTURE GROWTH BY 2026 INFICON, ROBINAIR, TESTO

    REFRIGERATION COMPRESSOR MARKET, REFRIGERATION COMPRESSOR MARKET ANALYSIS, REFRIGERATION COMPRESSOR MARKET GROWTH, REFRIGERATION COMPRESSOR MARKET TREND

    How Does A Refrigerator Work?

    01/08/2021

    How Does A Refrigerator Work?

    To put it simply there are 3 steps by which a refrigerator or a fridge works: 1.Cool refrigerant is passed around food items kept inside the fridge. 2.Refrigerant absorbs heat from the food items. 3.Refrigerant transfers the absorbed heat to the relati器2䀀ￜ皥䖒皦즠Ʋ㎄ᰙ㲈Ʋ䌁皦ᮔDž༬皧㎎ᰙ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理艏S杴 識杴 㥲ᐲ

    How Air Conditioners Work

    01/08/2021

    How Air Conditioners Work

    Air conditioners use refrigeration to chill indoor air, taking advantage of a remarkable physical law: When a liquid converts to a gas (in a process called phase conversion), it absorbs heat. Air conditioners exploit this feature of phase conversion by fo器2䀀ￜ皥䖒皦즠Ʋ奌ི㲈Ʋ䌁皦ᮔDž༬皧奖ིЀ呄ᠾ鹨់༹皧ࠄ00령ꐱ댁珵뛐珵Љ䕄ྦ￿￿뤂ᐱ뚜珵

    There are thousands of brands of central air-conditioning, and I love Mitsubishi Electric

    01/08/2021

    There are thousands of brands of central air-conditioning, and I love Mitsubishi Electric

    When the snowflakes flew, I stood in the snow, danced with the snow, and sang with the snow, letting my soul walk freely in the crystal clear world, and quietly listening to the sound of falling snowflakes. I opened my arms and covered a few snowflakes to器2䀀ￜ皥䖒皦즠Ʋ㎄ᰙ㲈Ʋ䌁皦ᮔDž༬皧㎎ᰙ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Ӡ識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 㥲ᐲ

    Four major producing areas of Mitsubishi Electric's central air conditioner

    01/08/2021

    Four major producing areas of Mitsubishi Electric's central air conditioner

    Four major producing areas of Mitsubishi Electric's central air conditioner Four-major-producing-areas-of-mitsubishi-electric's-central-air-conditioner Wakayama, Japan Founded in 1943, the cold and heat system manufacturing plant entered the open r器2䀀ￜ皥䖒皦즠Ʋ奌ི㲈Ʋ䌁皦ᮔDž༬皧奖ི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Ԃ識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 㥲ᐲ

    In the field of air conditioning, the Guinness Book of Records for the longest life air conditioner-Mitsubishi Electric Air Conditioner

    01/08/2021

    In the field of air conditioning, the Guinness Book of Records for the longest life air conditioner-Mitsubishi Electric Air Conditioner

    In the field of air conditioning, the Guinness Book of Records for the longest life air conditioner-Mitsubishi Electric Air Conditioner The World Guinness Book of Records inspires everyone, whether it is an individual, family, school, team, company, or器2䀀ￜ皥䖒皦즠Ʋ㎄ᰙ㲈Ʋ䌁皦ᮔDž༬皧㎎ᰙ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ն識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 㥲ᐲ

    Mitsubishi Electric's unique tips for energy efficiency

    01/08/2021

    Mitsubishi Electric's unique tips for energy efficiency

    In life, diligence and thrift are the fine beauty we should always maintain; in products, high efficiency and energy saving should be the continuous pursuit and breakthrough of technology As a veteran of the global power device field, Xiaoling can prou器2䀀ￜ皥䖒皦즠Ʋ奌ི㲈Ʋ䌁皦ᮔDž༬皧奖ི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ޠ識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 㥲ᐲ

    Four technical advantages of Mitsubishi Electric compressor

    01/08/2021

    Four technical advantages of Mitsubishi Electric compressor

    Four technical advantages of Mitsubishi Electric compressor Those who get the Central Plains get the world, those who get the compressor get the comfort, energy saving, mute and long service life of the central air conditioner. Mitsubishi Electric is a器2䀀ￜ皥䖒皦즠Ʋ㎄ᰙ㲈Ʋ䌁皦ᮔDž༬皧㎎ᰙ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ъ識

    Customers frequently viewed

    New In stock for sale, IWAYA DENKI Water Pump 25CJT0752

    IWAYA DENKI Water Pump 25CJT0752
    US$2307.69
    New In stock for sale, Panasonic Servo Motor MHMF022L1V2M

    Panasonic Servo Motor MHMF022L1V2M
    US$653.85
    New In stock for sale, Honeywell Solenoid Valve VE4025B1045

    Honeywell Solenoid Valve VE4025B1045
    US$334.62
    New In stock for sale, ROTEN Mechanical Seal 8E5K-22-X

    ROTEN Mechanical Seal 8E5K-22-X
    US$384.62
    New In stock for sale, BANLMEYD BMD Bearing 695HQ/P4

    BANLMEYD BMD Bearing 695HQ/P4
    US$21.54
    New In stock for sale, Danfoss Expansion Valve spool 067B2792

    Danfoss Expansion Valve spool 067B2792
    US$93.85
    New In stock for sale, ULVAC Vacuum Pump PMB1200D-MA2A2S7XXXX

    ULVAC Vacuum Pump PMB1200D-MA2A2S7XXXX
    Contact Us
    New In stock for sale, GULING Tool for Metal Cutting TR30×3(D10)

    GULING Tool for Metal Cutting TR30×3(D10)
    US$94.31
    New In stock for sale, Bosch Rexroth Proportional Valve 4WRZ16E1-125-7X/6EG24N9ETK4/D3M

    Bosch Rexroth Proportional Valve 4WRZ16E1-125-7X/6EG24N9ETK4/D3M
    US$2346.15
    New In stock for sale, MINDMAN Air Cylinder MCQV2-11-80-275

    MINDMAN Air Cylinder MCQV2-11-80-275
    US$423.08
    New In stock for sale, Delta Fan AUB1212VH

    Delta Fan AUB1212VH
    Contact Us
    New In stock for sale, CAHO Temperature Controller H941JRR2-P

    CAHO Temperature Controller H941JRR2-P
    US$200.68
    New In stock for sale, Vargus Tool for Metal Cutting 3BEI 14NPTTM2 VBX

    Vargus Tool for Metal Cutting 3BEI 14NPTTM2 VBX
    US$115.00
    New In stock for sale, Suntronix Fan SW250HD2

    Suntronix Fan SW250HD2
    US$138.46

    • Welcome to O&Kmarts

      Is there anything we can help?

      Email us
    © eCommerce. 2017-2025. All Rights Reserved
    Press and drag the mouse to start taking a screenshot