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開放式冷水機(jī)技術(shù)參數(shù)表
因技術(shù)革新,以上數(shù)據(jù)僅供參考,本公司有權(quán)更改,恕不另行通知,所有機(jī)型以實物為準(zhǔn).
Due to technological innovations, these figures only for reference, the Company shall be entitled to change without notice, all the models in order to prevail in kind.使用說明書
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開放式冷水機(jī)安裝
冷水機(jī)安裝前請選擇地基平穩(wěn)，四周空曠暢通及避免腐蝕污染之場所，根據(jù)冰水機(jī)組制冷量選用匹配的冷卻塔，冰水機(jī)管路配管，請根據(jù)機(jī)身喉尺寸進(jìn)行安裝，切勿將冷卻水管尺寸縮小，這樣會引起高壓過載，影響制冷效果及增加耗電量。
注：電源、負(fù)載及接地部分，請依照相關(guān)法規(guī)施工。
操作方法：
**運轉(zhuǎn)必須先檢查下列事項是否正確：
電源、電壓及相數(shù)是否符合型號規(guī)格，請對照銘牌所示。（注：3HP以上冰水機(jī)電源是否采用三相四線電壓380-415V，50HZ電源相位線分別為R.S.T.中性線（零線）N，接地導(dǎo)線為E。
冰水喉及冷卻循環(huán)水喉是否接通管路，并保持閥門打開（請參考安裝圖）。
先行將冰水箱加滿后方可啟動水泵。
請留意水泵運行方向是否逆轉(zhuǎn)（如水泵是三相），如逆轉(zhuǎn)須將電源相位線中任意二相對換，接妥后再把開關(guān)板上。
開放式冷水機(jī)和封閉式冷水機(jī)有什么區(qū)別？
1、名詞定義：開放式冷水機(jī)和水冷箱式冷水機(jī)（封閉式）同屬于水冷式冷水機(jī)系列。開放式冷水機(jī)主要由壓縮機(jī)、蒸發(fā)器、冷凝器、電控系統(tǒng)、冷凍配件組件，水冷箱式冷水機(jī)則由壓縮機(jī)、蒸發(fā)器、冷凝器、水泵、水箱、電控系統(tǒng)、冷凍配件組成，因此可以看出來，兩者之間的不同之處在于水冷箱式冷水機(jī)可以內(nèi)置水泵及水箱，反之則稱為開放式冷水機(jī)。2、安裝配置：冷水機(jī)主要是為了給產(chǎn)品或設(shè)備提供冷凍水以達(dá)到制冷的目的。這兩種冷水機(jī)都需要配用冷卻水塔進(jìn)行散熱，但因為水冷箱式冷水機(jī)內(nèi)置有水箱及水泵，因此安裝的時候，用戶只需要將冷水機(jī)組與冷卻水塔連接起來，接通自來水即可投入使用。而開放式冷水機(jī)除了配用冷卻水塔，還需要增加水泵及雙層不銹鋼保溫水箱方能使用。
3、優(yōu)點分析：水冷箱式冷水機(jī)內(nèi)置不銹鋼水箱及管道水泵，外形美觀大方，配置完善，主要構(gòu)件均由鋼體外殼保護(hù)，可安放于生產(chǎn)車間內(nèi)，安裝簡單，使用/維護(hù)方便。開放式冷水機(jī)不自帶水箱及水泵，可根據(jù)需要外接水泵及水箱，優(yōu)點是水箱的容積及水泵揚(yáng)程不受限制，能更好地滿足不同的工業(yè)設(shè)備配套需要。
1
操作順序：
開機(jī)：按<PUMP>鍵啟動機(jī)器;。
按<SET>鍵設(shè)定所需溫度;
開啟壓縮機(jī)1,壓縮機(jī)2→延時→自動運行;
關(guān)機(jī):按<STOP>鍵停止運行.
操作時應(yīng)注意的事項：
冰水泵不可在水箱內(nèi)無水運行（7.5HP以上冰水機(jī)，水箱水位太低時，水泵會自動停止運行，低水位指示燈會亮起及有警號）
操作開關(guān)請盡量避免連續(xù)切換。
水溫達(dá)到設(shè)定溫度時，壓縮機(jī)會自動停止運行，此屬正常現(xiàn)象。
溫度開關(guān)應(yīng)避免設(shè)定在5℃以下，防止蒸發(fā)器結(jié)冰。
為確保制冷效果，保持*佳狀態(tài)，請定期清洗冷凝器及蒸發(fā)器。
附注一
當(dāng)冷凝器散熱**時，壓縮機(jī)效率低，運轉(zhuǎn)電流提高，當(dāng)高壓升至每300PCI/cm3，壓縮機(jī)受高壓開關(guān)保持跳脫，壓縮機(jī)停止運轉(zhuǎn)，散熱**高壓過載指示燈亮，此時請檢視冷卻塔循環(huán)水是否正常，冷卻水溫是否過高，冷卻塔風(fēng)扇水泵是否運轉(zhuǎn)，冷卻
2
水閥門是否完全打開，以上正常后再按復(fù)位開關(guān)（REST）即可正常運轉(zhuǎn)，如經(jīng)常出現(xiàn)高壓過載情況，請盡快安排清洗冷凝器。
附注二
冷媒不足處理方法：
當(dāng)水溫5℃以上時，低壓表顯示低于30psl/cm2時，即表示冷媒不足，一般我們必須先將漏冷媒的地方，進(jìn)行補(bǔ)漏或處理，再更換干燥劑，重新真空處理，充灌適當(dāng)冷媒。
當(dāng)您發(fā)現(xiàn)漏冷媒部分浸于水中，請即停止冰水機(jī)運行，速將水箱內(nèi)水排除掉，盡快通知公司派員處理維修，以免水進(jìn)壓縮機(jī)系統(tǒng)造成更嚴(yán)重?fù)p壞。
附注三
高低壓是否正常
壓縮機(jī)正常運行時高壓表顯示160-230psl/cm2為*佳，但不得高于280psl/cm2，當(dāng)高壓高于280psl/cm2時，高壓開關(guān)跳脫請依附注一處理，低壓以40-65psl/cm2為*佳，但不得低于30psl/cm2，低壓跳脫請依附注二處理。
當(dāng)壓縮機(jī)運行時高壓和低壓兩者差壓極少或相等時，即表示壓縮機(jī)本身閥片破損或斷裂，請即停止運轉(zhuǎn)并通知公司派人處理，請注意以上狀況是壓縮機(jī)正常運轉(zhuǎn)時，如沒
3
有運轉(zhuǎn)高低壓仍屬正常狀況。
附注四
當(dāng)壓縮機(jī)因某種原因發(fā)生故障時，此時水泵如繼續(xù)運行，可能造成水溫急速升高，而當(dāng)水溫超過70℃時，機(jī)內(nèi)水管及泵浦軸對極可能造成損壞漏水。
附注五
當(dāng)故障指示燈及保護(hù)開關(guān)全部正常時，壓縮機(jī)不能啟動，請檢查：
溫度開關(guān)是否調(diào)太高或損壞
切換開關(guān)是否損壞
防凍開關(guān)損壞
低壓開關(guān)跳脫或損壞
壓縮機(jī)過載保護(hù)器損壞或跳脫
電磁繼電器線圈損壞及過載保護(hù)器損壞
如機(jī)型是屬無水箱型，請查冰水水流量開關(guān)是否損壞，以上控制開關(guān)或線路有故障即壓縮機(jī)就不能運行
4
五、故障排除方法：
狀 態(tài) 原 因 故 障 排 除
電源正常，全機(jī)不能運轉(zhuǎn) 1．保險絲熔斷
2．逆相繼器故障或脫落 1．更換備用保險絲
2．逆向繼電器重新插緊或更換
無熔絲開關(guān)跳脫 1.電源負(fù)載線路接地或短路。
2.壓縮機(jī)、泵浦、馬達(dá)故障接地 1.更換處理
2.檢查后，如確定故障，換新或修理
逆相 1.泵浦及風(fēng)扇逆向
2.欠相 1.將電源中之任兩相交換
2.用電電表制測量三相電源是正常
散熱**
指示燈亮 1.高壓跳脫
2.高壓開關(guān)故障 1.清潔濾網(wǎng)，空氣保持40℃以下，請依附注一處理
2.換新（高壓跳脫受動復(fù)歸）
冷媒不足指示燈亮 1.冷媒不足低壓跳脫
2.蒸發(fā)器結(jié)水 1.依附注二處理
2.查看膨脹水箱是否缺水，循環(huán)泵浦是否運轉(zhuǎn)，待正常后，手動復(fù)歸低壓開關(guān)。
3.如蒸發(fā)器結(jié)冰，請將冰水排出，再加溫水，使冰溶化
注：不可用硬物敲打冰塊如擊穿銅管進(jìn)水，將使壓縮機(jī)損壞
過載指示燈亮 1.電壓異常
2.馬達(dá)、泵浦、壓縮機(jī)、軸承故障，束住
3.散熱**
4.過載繼電器值太低
5.線路接點**松動 1.3相電源壓降或電壓不穩(wěn)及欠相修理
2.更換軸承或換新
3.請依附注一處理
4.依正常調(diào)高
5.鎖緊
故障指示燈未亮，但壓縮機(jī)無法運轉(zhuǎn) 保護(hù)裝置跳脫 請依附注五處理
冰水槽水不冷 1.容量不足
2.冷媒不足
3.冷媒阻塞
4.閥片破裂
5.溫度開關(guān)設(shè)定太高
6.溫度開關(guān)故障
7.散熱** 1.加大主機(jī)容量
2.依附注三處理
3.更換阻塞部分如干燥劑或膨脹閥，真孔處理再充填冷媒
4.更換壓縮機(jī)，由附注三判定
5.往下調(diào)低
6.換新
7.效率低，請依附注三處理
6
六、按鍵指示燈
＃COMPI：壓機(jī)1 控制指示燈，燈亮允許啟動否則不允許啟動，由“COMP1”按鍵控制。
#COMP2：壓機(jī)2 控制指示燈，燈亮允許啟動否則不允許啟動，由”COMP2”按鍵控制。
RESET：有故障時的指示燈（閃爍顯示），無故障時按下”RESET”可關(guān)閉。
PUMP：機(jī)組運行指示燈，機(jī)組運行時此燈亮，否則滅。
STOP：延時停機(jī)指示燈，延時停機(jī)時閃爍點亮。
SET：參數(shù)設(shè)置指示燈，處于參數(shù)設(shè)置界面時此燈亮。
七、面板指示燈
POWER：電源指示燈，通電后燈亮。
RUN：機(jī)組運行指示燈，非待機(jī)狀態(tài)燈亮。
ERROR：故障指示燈，有故障時亮。
COMPI：壓機(jī)1 運行指示燈。
COMP2：壓機(jī)2 運行指示燈
water chiller
operating instructions
instruction for use
First, Installment
Before the cold hydraulic engine installment, please choose the ground to be steady, all around spacious unimpeded and avoids corroding place of the pollution, selects the match according to the ice water unit refrigeration quantity the cooling tower, ices the hydraulic engine pipeline tubing, please carry on the installment according to the fuselage throat size, will be sure not the cooling water pipe minification, like this will cause the high pressure to overload, affects the refrigeration effect and increases the power consumption.
Note: The power source, the load and the earth part, please defer to the related laws and regulations construction.
Second, Operating procedure:
The revolution must inspect following item first for the first time to be whether correct:
1. The power source, the voltage and count whether to conform to the model specification, please compare the data plate to show. (note: whether the 3HP above ice water mechanical and electrical source does use the three-phase four line voltage 380-415V,50HZ power source phase line respectively is the R.S.T. neutral axis (zero curve) N, the earth lead is E.
2. Ices the hose and the refrigeration cycle hose whether to put through the pipeline, and maintains the valve opens (please do refer to installation diagram).
3. Will ice after in advance the water tank tops up, only then starts the water pump.
4. Please pay attention the water pump movement direction whether reverses (for example water pump is three-phase), if reverses must the power source phase line in the random two phase exchange, after meeting proper, again keyboard on.
Third, Operation sequence:
1. Starting: The pressed key starts the machine; .
2. The pressed key hypothesis needs the temperature;
3. Opens the compressor 1, compressor 2→ time delay -> automatic movement;
4. Close-down: The pressed key stops the movement.
Fourth, When operation should pay attention item:
1. Ices the water pump not to be possible when the water tank the anhydrous movement (above 7.5HP ice hydraulic engine, water tank water level is too low, water pump automatic stopping movement, low water level will instruct that lantern festival shines and has alarm signal)
2. The console switch please as far as possible avoid cutting continuously.
3. When the water temperature achieves the hypothesis temperature, the compression opportunity automatic stopping movement, this is the normal phenomenon.
4. The temperature switch should avoid establishing in 5℃ below, prevents the evaporator to ice up.
5. In order to guarantee the refrigeration effect, maintains the optimum condition, please periodic cleaning condenser and evaporator.
Annotated one
when the condenser radiates bad, the compressor efficiency is low, the revolution electric current enhances, when the high pressure climbs to each 300PCI/cm3, the compressor maintains the high-voltage switch the bracelet, the compressor stops the revolution, radiates the bad high-pressured overload indicating lamp to be bright, this time please inspect that the cooling tower circulating water is whether normal, the cooling water temperature excessively is whether high, whether the cooling tower ventilator water pump does revolve, whether the cooling water valve does open completely, after above normal, presses the reset switch again (REST) then the normal work, if has the high-pressured overload situation frequently, please as soon as possible arrange the clean condenser.
Annotates two cold intermediary insufficient processing method:
1. When water temperature 5℃ above, the vacuum gauge demonstrates when is lower than 30psl/cm2, namely expressed that the cold intermediary is insufficient, generally we must leak Leng Mei the place first, carries on makes up leaks or processing, then replaces the drying agent, the vacuum treated, fills up the suitable cold intermediary again.
2. When you discovered that leaks the cold intermediary part to soak in the water, please be the stop ice water opportunity line, fast remove the water tank domestic waters, informs the company to dispatch an official as soon as possible to process the service, in order to avoid the water enters the compressor system to create the major damage.
Annotated when three
high and low pressure whether normal compressor normal operation the high pressure extols shows 160-230psl/cm2 is best, but do not be higher than 280psl/cm2, when the high pressure is higher than 280psl/cm2, the high-voltage switch bracelet please depend on annotates a processing, the low pressure take 40-65psl/cm2 as best, but do not be lower than 30psl/cm2, the low pressure bracelet please depend on annotates two processing.
When the compressor moves high-pressured and the low pressure both difference presses when extremely few or is equal, namely expressed that the compressor itself valve piece breakage or the break, please be the stop do revolve and inform the company to send for to process, when please note the above condition is the compressor normal work, if has not revolved the high and low pressure were still the normal condition
Annotates four
when the compressor some kind of reason breaks down, this time the water pump like continues to move, possibly causes the water temperature to elevate rapidly, but when the water temperature surpasses 70℃, within the aircraft the water pipe and the pump axis antipode possibly creates damages the water leakage.
Annotates five
When the trouble lamp and the protection switch are completely normal, the compressor cannot start, please inspect:
1. Whether the temperature switch does adjust too high or the damage
2. Cuts the switch whether to damage
3. Frostproof switch damage
4. Low pressure switch bracelet or damage
5. Compressor overload protector damage or bracelet
6. Electromagnetic type relay coil damage and overload protector damage
7. If the type is without the water tank, please look up the ice water discharge of water switch whether to damage, the above controlling switch logical 'OR' circuit has the breakdown is the compressor cannot move
Annotates five
When the trouble lamp and the protection switch are completely normal, the compressor cannot start, please inspect:
Trouble shooting method:
|
status |
reason |
Trouble shooting |
|
The power source is normal, entire machine cannot revolve |
1. the fuse blows a fuse
2. antiphase or falls off following the breakdown |
1. the replacement spare fuse
2. reversion relay inserts tight or the replacement |
|
Non-fused switch bracelet |
1. power source load line-to-ground or short circuit.
2. compressor, pump, motor fault earthing |
1. after the replacement processes
2. inspection, if the determination breakdown, exchanges or the repair |
|
Antiphase |
1. the pump and the ventilator reversion 2. owes |
1. exchanges
2. second power source in any to use electricity the electric instrument system survey three-phase power source is normal |
|
Radiates the bad indicating lamp to be bright |
1. high-pressured bracelet
2.’high-voltage switch breakdown |
1. the clean mesh, the air maintains 40℃ below, as soon as please depend on the annotation to process 2. to exchange (high-pressured bracelet passive regression) |
|
The cold intermediary insufficient indicating lamp is bright |
1. the cold intermediary insufficient low pressure bracelet
2. evaporator ties the water |
1. depends on annotated that two process
2. examination inflation water tank whether water scarcity, circulates the pump whether to revolve, after treating normally, manual regression low pressure switch.
3. like the evaporator ices up, please discharge the ice water, adds the lukewarm water again, causes the ice dissolve note: Not the available hard object strikes the ice piece like to penetrate the copper pipe to enter the water, will cause the compressor damage |
|
The overload indicating lamp is bright |
1. the voltage exceptionally
2. motor, the pump, the compressor, the bearing breakdown, ties
3. radiation bad
4. overload relay value to be too low 5. line contact bad to become less crowded |
1.as soon as 3 power source pressure drops either the voltage not steady and owe repair
2. to replace the bearing or to exchange
3. please to depend on the annotation to process
4. to depend on raise 5. locking normally |
|
Trouble lamp not bright, but the compressor is unable to revolve |
Protective device bracelet |
Please depend on annotates five processing |
|
Ices the water trough water not to be cold |
1. the capacity insufficient
2. cold intermediary insufficient
3. cold intermediary blocks 4. valve piece to burst
5.temperature switch hypothesis to be too high
6.temperature switch breakdown 7. radiation bad |
1. enlarges the main engine capacity 2. to depend on annotated that three process
3. replacement blocking part like drying agent or the expansion valve, real hole processing fills the cold intermediary
4. to replace the compressor again, by annotated that three determine
5. downward to lower
6. to exchange
7. efficiency to be low, please depend on annotates three processing |
六、pressed key indicating lamp
＃COMPI：Otherwise the press 1 controls the indicating lamp, the lamp bright permission starts does not allow to start, the pressed key controls by “COMP1”.
#COMP2：Otherwise the press 2 control the indicating lamp, the lamp bright permission starts does not allow to start, the pressed key controls by” COMP2”.
RESET：Has time the breakdown indicating lamp (twinkle demonstration), when trouble-free presses down” RESET” to be possible to close.。
PUMP：Unit movement indicating lamp, when unit movement this lamp is bright, otherwise extinguishes.
STOP：Time delay engine off indicating lamp, when time delay engine off glitters lightens.
SET：The parameter establishment indicating lamp, is when the parameter establishment contact surface this lamp is bright.
七、Kneading board indicating lamp
POWER：The power light, electrifies the rear or tail lamp to be bright.
RUN：The unit movement indicating lamp, the non-readiness for action lamp is bright.
ERROR：The trouble lamp, has when the breakdown bright。
COMPI：Press 1 movement indicating lamp。
Industry cold hydraulic engine system composition and principle of work:
The industry cold hydraulic engine is one kind of water cooling equipment, the industry cold hydraulic engine is one kind can provide the constant temperature, the constant flow, the constant pressure cooling water equipment. Cold water mechanic makes the principle is to within the aircraft the water tank pours into the ration the first water, through cold water machine refrigeration system the water cooling, then sends from the water pump the low temperature cooling water the equipment which must cool, after the cold water engine cooling frozen water carries off the quantity of heat, the temperature increment backflow arrives again the water tank, achieves cooling the function. The cooling water temperature may act according to the request automatic control, the long-term use may the economize on water. Therefore, the cold hydraulic engine is one kind of standard energy conservation equipment.
Industry cold hydraulic engine's cooling principle:
The cold hydraulic engine system's operation is through three incident cross-correlation systems: Refrigerant circulatory system, water circulating system, electric appliance autonomous system.
Industry cold hydraulic engine's cooling principle:
The cold hydraulic engine system's operation is through three incident cross-correlation systems: Refrigerant circulatory system, water circulating system, electric appliance autonomous system.
Industry cold water machine-made freezing mixture circulatory system:
In evaporator's liquid state refrigerant absorption water's quantity of heat and starts to evaporate, between the final refrigerant and the water forms certain temperature difference, after the liquid state refrigerant also completely evaporates becomes the gaseous state, by the compressor is inhaled and compresses (pressure and temperature increases), the gaseous state refrigerant (forced-air cooling/water cooling) absorbs the quantity of heat through the condenser, congeals the liquid, (or capillary vessel) reduces expenses after the thermal energy expansion valve turns the low temperature low pressure refrigerant to enter the evaporator, completes the refrigerant cyclic process.
The industry cold water mechanism cold system composes basically:
Compressor: The compressor is in the entire refrigeration system's core part, is also the refrigerant compression source of power. Its function is the electrical energy which inputs transforms as the mechanical energy, compresses the refrigerant.
Condenser: The condenser plays in the refrigeration process is outputting the heat energy and enables the refrigerant the condensation role. The high-pressured superheated vapour which discharges after the refrigeration compressor enters the condenser, it in work process absorption net quantity of heat, including from the evaporator and the refrigeration compressor as well as the quantity of heat which absorbs in the pipeline transmits for the environmental media (water or air) carries off; The refrigerant high pressure superheated vapour congeals the liquid. (according to the cooling medium and coolant conditions' difference, the condenser may divide into three kinds: Water-cooled condenser, forced-air cooling type condenser, evaporative condenser.
Liquid reservoir: The liquid reservoir installs after the condenser, with condenser's bleeder tube is the direct connection. Condenser's refrigerant liquid should open access flows in the liquid reservoir, like this may use condenser's cooling surface fully. On the other hand, when evaporator's heat load change, the refrigerant liquid's required quantity also along with it change, at that time, the liquid reservoir then played fills a prescription with the storing refrigerant role. Regarding the small cold water mechanism cold installment system, often does not install the liquid reservoir, but fills a prescription using the condenser with the storing refrigerant.
Dry filter: Must prevent the moisture content and the contamination in the cold water mechanism cold circulation (greasy dirt, iron filings, copper filings) and so on enters, the moisture content origin is mainly the micro moisture which the new increase's refrigerant and the lubricating oil contain, or, because time overhaul system the air enters the moisture content which brings. If in system's moisture content elimination has been unclean, when refrigerant through throttle valve (thermal energy expansion valve or capillary vessel), because sometimes the pressure and the temperature drop the moisture content can coagulate the ice, causes channel blocking, affects the refrigerating unit the normal operation. Therefore, must install the dry filter in the cold water mechanism cold system.
Thermal energy expansion valve: The thermal energy expansion valve in the cold water mechanism cold system is not only the current capacity regulating valve, is also in refrigeration plant's throttle valve, it installs in the refrigeration plant between the dry filter and the evaporator, its feeling temperature bulb is the wrap in evaporator's exit. Its leading role is causes the high-pressured normal temperature the refrigerant liquid when flows through the thermal energy expansion valve the throttle voltage dropping, becomes the low temperature low pressure refrigerant wet vapor (majority is liquid, small part is steam) enters the evaporator, vaporizes the heat absorption in the evaporator, but achieves the refrigeration temperature decrease the goal.
Evaporator: The evaporator is depends upon the refrigerant liquid the evaporation (in fact is ebullition) absorbs by the cooling medium quantity of heat heat exchange equipment. It is absorbs the quantity of heat in the refrigeration system's function (or name outputs cold quantity). In order to guarantee that the evaporation process can stabilize lasting advance, must unceasing the gas which will evaporate with the refrigeration compressor screen out, maintains certain evaporation pressure.
Refrigerant: The majority industry cold hydraulic engines which uses in the modern industry use R22 or R12 take the refrigerant. The refrigerant is in the refrigeration system's mobile working substance, its leading role carries the quantity of heat, and when change of state realizes the heat absorption and exothermic.
Industry cold hydraulic engine water circulating system:
The water circulating system is extracts the equipment which by the water pump the water from the water tank the user must cool, after the freezing water carries off the quantity of heat, temperature increment, returns to freeze in again the water tank.
Industry cold water mechanical and electrical autonomous system:
Electric appliance autonomous system including power unit and automatic control part.
The power unit is through the contact device, to the compressor, the ventilator, the water pump and so on supplies the power source.
The automatic control part including controls, the pressure protection, the delayer, the relay, the over-load protection and so on inter-combination to achieve the basis water temperature automatic start and the stop warm, protects and so on functions.
Industry cold hydraulic engine principle schematic drawing:
Industry cold water engine cooling actually characteristic and application工Industry cold water engine cooling actually characteristic modern industry
technology progresses by leaps and bounds development today, to raise the production efficiency, the improvement product quality, reduces the production cost, therefore is getting higher and higher to in production process's temperature control's temperature control request.
Generally the water used cools (i.e. natural water and water tank radiation way two kinds) the way cannot achieve the high accuracy, the high efficiency control temperature goal, because the natural water and the water tank radiate inevitably receive the natural temperature the influence, in the winter the water temperature bottom the water temperature is high in the summer. If temperature in 30℃ the situation, wants the water temperature to achieve 10℃, this is nearly impossible, therefore uses this mode control is extremely unstable.
The industry cold hydraulic engine and the common water used cooling equipment is completely different, because cold water machines and tools have the completely independent refrigeration system, will receive the temperature and the environment influence, the water temperature in 5℃ ~35℃ the scope the regulating control, thus may achieve the high accuracy, the high efficiency control temperature goal. The cold hydraulic engine is equipped with the independent water circulating system, in cold hydraulic engine's water cycle use, but massive economizes on water.
Industry cold hydraulic engine's application:
Plastics industry: Mold of the accurate control each kind of plastic processing is warm, reduces beer to model the cycle, the quality assurance stability..
Electronics industry: The stable electronic component interior on production line's molecular structure, raises electronic component's qualified rate, applies in the ultrasonic cleaning profession, prevents the expensive cleansing agent volatility and the volatility effectively the injury which brings to the human.
Galvanization profession: The control galvanization temperature, increases plates a density and smooth, reduces the galvanization cycle, raises the production efficiency, the improvement product quality.
Mechanical industry: The control flowing tubing head pressure system pressure oil temperature, the stable oil temperature flowing tubing head pressure, the extension oil material period of revolution, enhances the mechanical lubrication the efficiency, reduces the attrition.
Building industry: Supplies the concretes to use the freezing water, causes the concretes molecular structure to suit the construction use request, strengthens the concretes effectively degree of hardness and toughness.
Vacuum coating: The control vacuum film plating machine's temperature, guaranteed that plates high grade.
Food industry: After using in the food processing high speed cooling, causes it adaptation packing request. In addition has the control leavened food temperature and so on.
Chemical fiber industry: Freeze-drying air, quality assurance.
Dairy products, drinks: After the production process often needs to heat up, rapid cooling, the request cold water unit's steel pipeline, the water tank, the water pump material quality satisfies the hygienic request for the stainless steel.
Drugs, biological preparations. In the production, the depositing process needs the low temperature low and damp environment.
The low temperature cold water unit can take the glycol as the secondary refrigerant, provides 5…-15℃ the refrigerating fluid, the thinking low temperature provides the essential heat sink low and damp. When needs still refrigerated when the winter, the unit may provide the special control system, enables the unit to be possible under - 15℃ the low temperature environment still maintained the refrigeration movement.
Medical equipment; If the magnetic resonance equipment, must provide the reliable heat sink uninterruptedly, this company develops the double system industry cold water unit, when a refrigeration system unit breaks down, another refrigeration system automatic investment movement, increases system's reliability.
The coating glass often needs the greatly cold quantity unit, usually uses many screw rod type cold water unit to gather the use. , because the coating production line must heat up achieves certain temperature, after the start, oneself before the start to have the quantity of heat, must freeze the water cooling maintains the low temperature.
Armored glass: Common glass after high temperature heating otherwise then rapid cooling, the cooling water temperature cannot too high affect the steel quality. Provides the frozen water which with the industry cold hydraulic engine cooling uses, another water temperature does not love the ambient temperature the influence, the guarantee product quality.
Fish breeding and poultry raising: The hotel, the seafood restaurant, the seafood breeding farm, the sea hall, summer provide the frozen water, the winter provide the hot water, the fresh water, the sea water are suitab
