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Water Cooled Chiller

Water Cooled Chiller, also known as packaged water cooled chiller or water cooling chiller, is an efficient and reliable industrial cooling equipment. It dissipates heat through the circulation of cooling water and requires connection to a cooling tower or cooling device to exhaust the generated heat. Compared to air cooled chillers, water cooled chillers typically offer higher cooling efficiency and lower noise levels. Additionally, they provide flexible capacity and specification options to meet different process requirements. The refrigeration range of water cooled chillers is extensive, ranging from 2967 Kcal/h to 139664 Kcal/h, and they can provide chilled water with a temperature range of 3°C to 50°C. This makes them an ideal choice for optimizing production efficiency and ensuring production quality.

 

 

Working Principle

A water-cooled chiller utilizes a shell and tube evaporator to facilitate heat exchange between water and refrigerant. The refrigerant system absorbs the heat load from the water, causing the water to cool and generate chilled water. The heat absorbed by the refrigerant is then transported to the shell and tube condenser through the action of the compressor. Heat exchange occurs between the refrigerant and water, allowing the water to absorb the heat. Finally, the heat is dissipated to the external cooling tower through water pipes, which is known as water cooling.

 

 

â‘	Compressor	⑨	Temp. sensor
â‘¡	Condenser	â‘©	Water tank
③	Dry filter	⑪	Pump pressure gauge
â‘£	Expansion valve	â‘«	Pump
⑤	Evaporator	⑬	By-pass valve
â‘¥	Ball valve	â‘­	Low pressure switch
⑦	Anti-freezing switch	⑮	High pressure switch
⑧	Level sensor	⑯	Blower

 

Application Scope in the Industry

Chillers are widely used in various industrial productions such as plastics, electronics manufacturing, electroplating, chemical engineering, ultrasonic cooling, and printing. They are employed in the cooling of molds for plastic processing machinery, significantly improving the surface smoothness of plastic products, reducing surface flaws and internal stress, preventing shrinkage and deformation, facilitating mold release, accelerating product shaping, and thus greatly enhancing the production efficiency and product quality of plastic molding machines.

 

 

 

Scroll Compressor

The entire range of HEMEI water cooled chillers utilizes scroll compressors. The compressor serves as the heart of the entire refrigerant cycle system. The scroll compressor adopts a dual-flex design, ensuring tight sealing between the scroll discs. This design allows the scroll discs to separate radially and axially, allowing debris or liquid to pass through without damaging the compressor. This results in increased compressor lifespan, enhanced reliability, better liquid tolerance, and improved tolerance for impurities.
 

 

Shell and Tube Evaporator

The water cooled chiller utilizes a shell and tube evaporator. In this system, the refrigerant evaporates inside the heat exchange tubes, while water flows on the shell side. To enhance the heat exchange efficiency, a 2mm thick baffle plate is installed on the shell side, causing the water to flow back and forth to create ice brine. Additionally, to maintain a stable operating temperature, the exterior shell of the evaporator is covered with insulation material. For the heat exchange tubes, we employ high-efficiency seamless copper tubes. These tubes undergo a grooving process to form internal thread fins, thereby increasing the heat exchange surface area with the refrigerant. With this technology, the heat transfer area is doubled, significantly improving the heat transfer efficiency.

 

 

Shell and Tube Condenser

Water Cooled Chiller utilizes a shell and tube condenser, with the internal copper tubes employing an outer thread embossing process. This design effectively enhances the heat exchange efficiency between the refrigerant and water during the process. Compared to traditional smooth copper tubes, the outer thread embossing process increases the surface area of the copper tubes, thereby expanding the contact area for heat exchange and improving the thermal conductivity of the condenser. This optimization design allows the condenser of the water-cooled chiller to transfer heat from the refrigerant to the water more rapidly and consistently, enabling the water to carry away the heat.
 

 

 

HMC-XC series type
Technical parameter table of aluminum profile oxidation magnetic levitation chiller
Models		HMC-580XC	HMC-700XC	HMC-930XC	HMC-1160XC	HMC-1400XC	HMC-1630XC	HMC-1860XC	HMC-2100XC	HMC-2450XC	HMC-2800XC
Cooling capacity	KW	582	698	932	1164	1396	1632	1864	2094	2448	2796
	Kcal/h*10*	50.05	60.03	80.15	100.1	120.06	140.35	160.3	180.08	210.53	240.46
	RT	165	198	265	331	397	464	530	595	696	795
Input power	KW	57	68	90	115	137	160	182	205	238	270
EER	COP	10.21	10.26	10.36	10.12	10.19	10.2	10.24	10.21	10.29	10.36
Press statting current（A）		2	2	2	2	2	2	2	2	2	2
Maximum operating current(A)		127.5	153	204	255	306	340	408	459	510	612
Maximum input power（KW）		75	90	120	150	180	200	240	270	300	360
Power supply type		3PH-380V-50Hz
Evaporator	Type	Falling film, fullliquid shell and tube heat exchanger
	Refrigerant flow(m³/h)	250	300	400	500	599	700	800	899	1051	1200
	Water pressure drop（Kpa）	65	79	70	75	80	80	78	76	75	78
	Take over size（DN）	200	250	250	300	300	350	350	350	400	400
Condenser	Type	Horizontal shell and tube heat exchanger
	Cooling water flow(m³/h)	109.605	131.389	175.3	219.383	262.95	307.376	350.943	394.34	460.72	525.901
	Water pressure drop（Kpa）	52	53	55	91	98	89	95	94	81	90
	Take over size（DN）	150	150	200	200	200	250	250	250	250	250
Takeover method		Flange connection
Unit size	L	3550	3600	3800	4700	4700	4800	4820	4820	4820	6080
	W	1650	1650	1850	2100	1800	2100	2760	2860	2990	3140
	H	2000	2000	2100	2150	2150	2120	2200	2250	2300	2350
R134a Refrigerant charge（Kg）		220	220	300	400	400	500	600	600	680	840
Unit weight（Kg）		4100	4500	5800	6500	7000	8200	8500	9500	12000	12500
Shipping weight（Kg）		4300	4700	6000	6700	7200	8400	8700	9700	12300	12800
Running weight（Kg）		4800	5200	6500	7300	7800	9000	9200	10000	13000	13500

 

HMC-LS series type
Technical parameter table of water-cooled magnetic levitation centrifugal chiller
Models		HMC-150LS	HMC-210LS	HMC-300LS	HMC-400LS	HMC-600LS	HMC-650LS	HMC-800LS	HMC-1000LS	HMC-1200LS	HMC-1500LS
Cooling capacity	KW	528	740	1150	1407	2110	2286	2814	3517	4220	5276
	Kcal/h*10*	45.4	63.64	98.9	121	181.46	196.59	242	302.46	362.92	453.73
	RT	150	210	300	400	600	650	800	100	1200	1500
Input power	KW	89	113.3	179.1	216.8	308.9	330.8	411.4	499.6	615.2	781.6
EER	COP	5.93	6.53	6.42	6.49	6.83	6.91	6.84	7.04	6.86	6.75
Press statting current（A）		2	2	2	2	2	2	2	2	2	2
Maximum operating current(A)		180	225	368	454	704	720	920	1180	1440	1740
Maximum input power（KW）		110	141	225	278	431	441	563	722	881	1065
Power supply type		3PH-380V-50Hz
Evaporator	Type	Falling film, fullliquid shell and tube heat exchanger
	Refrigerant flow(m³/h)	91	127	198	242	363	393	484	605	726	907
	Water pressure drop（Kpa）	94	25	92	99	84	97	72	75	76	78
	Take over size（DN）	150	150	200	200	250	250	350	350	350	400
Condenser	Type	Horizontal shell and tube heat exchanger
	Cooling water flow(m³/h)	114	159	247	303	454	491	605	756	907	1134
	Water pressure drop（Kpa）	71	23	70	99	64	73	81	85	89	85
	Take over size（DN）	150	150	200	200	250	250	350	350	350	400
Takeover method		Clamp type
Unit size	L	2495	2795	4385	4985	4780	4780	3900	4300	5100	3700
	W	1170	1190	1170	1190	2220	2220	3200	3200	3200	3400
	H	2100	2200	2100	2200	2100	2100	2550	2550	2550	2550
R134a Refrigerant charge（Kg）		200	240	400	480	800	800	900	1100	1700	2000
Unit weight（Kg）		2200	2350	3740	4100	7320	7350	10300	12550	15350	18350
Shipping weight（Kg）		2250	2400	3790	4150	7400	7430	10450	12700	1550	18500
Running weight（Kg）		2550	2700	4340	4700	8520	8550	13800	16050	19350	22350

 

 

 

 

 

 

 

The chiller is used in the plastic processing machinery mold cooling, electroplating industry,machinery industry, building industry, vacuum coating and food industry, etc.

 

 

 

 

 

SUZHOU HEMEI REFRIGERATION EQUIPMENT CO.,LTD is an enterprise mainly engaged in the production, design, research and development, operation of "Hemei" brand chiller,cooling tower, heat pump unit and other refrigeration equipment processing and manufacturing, refrigeration system design, manufacturing, installation, maintenance and debugging and technical services.

 

Relying on more than 150 professional and technical personnel from various professional research and development departments, Hemei Research Institute and enterprise postdoctoral workstation, the company independently researches and develops new products with international advanced levels of cold and hot, ecological, energy saving and environmental protection. Products are widely used in petroleum, chemical industry, plastic machinery, vacuum coating machine, injection molding machine, electroplating equipment, concave and convex plate printing machine, plasma spraying, micro arc oxidation production line, metallurgy, pharmaceutical, chemical fertilizer, food refrigeration, agricultural products deep processing, aquatic product processing, beer, dairy, commercial air conditioning, industrial refrigeration, medical air conditioning and other fields.

 

 

 

 

 

 

 

 

 

 

 

http://www.industrychillers.com/