Explosion proof screw type chiller unit

Explosion proof chillers belong to special equipment and are often used in the chemical industry and flammable and explosive special places to ensure the safe and stable operation of the unit. For explosion-proof chillers that use screw refrigeration compressors, we call them explosion-proof screw chillers. It has a wide cooling range and can be customized according to customer requirements. All components of the explosion-proof chiller are manufactured according to national explosion-proof standards, and the explosion-proof and anti-corrosion main controller is based on GB3836.1-2000 "General Requirements for Electrical Equipment for Explosive Gas Environments", GB3836.2-2000 "Explosion proof Type" for Electrical Equipment for Explosive Gas Environments ", and GB3836. Designed and manufactured in accordance with the regulations of 3-2000 "Electrical Equipment for Explosive Gas Environments - Increased Safety Type" e ", capable of meeting the special requirements of customers.

Explosion proof chillers belong to special equipment and are often used in the chemical industry and flammable and explosive special places to ensure the safe and stable operation of the unit. For explosion-proof chillers that use screw refrigeration compressors, we call them explosion-proof screw chillers. It has a wide cooling range and can be customized according to customer requirements. All components of the explosion-proof chiller are manufactured according to national explosion-proof standards, and the explosion-proof and anti-corrosion main controller is based on GB3836.1-2000 "General Requirements for Electrical Equipment for Explosive Gas Environments", GB3836.2-2000 "Explosion proof Type" for Electrical Equipment for Explosive Gas Environments ", and GB3836. Designed and manufactured in accordance with the regulations of 3-2000 "Electrical Equipment for Explosive Gas Environments - Increased Safety Type" e ", capable of meeting the special requirements of customers.

1. Compressor

Selected from BITZER (Germany), HANBELL (Taiwan Hanzhong) and other original imported new high-efficiency screw rotary compressors (with the most advanced 5:6 patented asymmetric rotor tooth shape), the efficiency is 20% -30% higher than that of general compressors. It adopts a finned coil air exchanger (no cooling water system required), matched with a condenser made of high-quality and high-efficiency copper tubes and world-renowned brand components, making the unit have the advantages of small size, low noise, high energy, long service life, and easy operation. Its beautiful and exquisite appearance design and reliable and stable high-efficiency quality stand out among similar products!

2. Evaporator

The evaporator copper tube adopts an internally and externally threaded reinforced tube. The surface of the copper tube has threads, the outer surface of the copper tube is smooth, and the cooling effect is good. The evaporator cylinder is insulated with a 25mm thick PE insulation board, which does not condense and reduces the loss of cooling capacity. The air-cooled screw chiller unit adopts a shell and tube evaporator, which is independently designed and produced by Simpson Refrigeration.

3. Condenser

The condenser adopts copper pipes imported from abroad and processed into trapezoidal low rib pipes to enhance heat transfer capacity. The surface of the copper pipes is smooth, which reduces water pressure and is easy to clean and maintain. It is a fan cooling system, therefore it uses a finned condenser, which is also independently designed and produced by Simpson Refrigeration.

4. Protective device

The protective device is designed to ensure that in the event of a malfunction in the chiller unit, it can be activated immediately and protect the unit from secondary damage. Its protective devices mainly include: compressor delay start protector, overload protector, high and low pressure protector, temperature control switch, antifreeze switch, fuse plug, electronic time protection safety valve, compressor overheat protector, compressor frequent start protector, and abnormal indicator light, ensuring the normal operation of the unit.

5. Control system

The communication contactors, electrical accessories, etc. are all selected original genuine products from Omron and larger brands such as LG from South Korea. The control panel is selected from the American brand Bangpu (microcomputer Chinese digital display), which can be remotely monitored and controlled according to user needs. It has multiple functions such as automatic loading and unloading, timed power on and off, and recording of fault causes; Easy to operate, connect the host to the power supply. Low failure rate, high safety factor, simple installation, system control can be adjusted in real time, intuitive and reliable.

6. Freezing accessories

All frozen accessories are selected from top global brands such as SPORLAN (Poland, USA), ALCO (Alco, USA), DANFOSS (Danfoss, Denmark), etc., with excellent performance, safety and environmental protection.

Technical Parameters of Explosion proof Screw Chiller Unit
Model No. of Simpson			unit	SPS-30EP	SPS-40EP	SPS-50EP	SPS-60EP	SPS-80EP	SPS-90EP	SPS-100EP
power supply			V	3 Φ 380V 50Hz
Rated Cooling Capacity			KW	108	145	173	198	260	293	335
			Kcal/h	92880	124700	148780	170280	223600	251980	288100
Input Power			KW	20.3	30.6	37.9	45.5	59.8	68.2	75.9
Chilled water flow			m³/h	18.0	22.0	27.5	33.2	44.3	50.0	56.1
Cooling water flow			m³/h	21.9	27.2	34.0	40.8	54.4	56.2	59.7
compressor Compressor	Type of form			Semi closed screw type
	Quantity Qty		number of units	1
	Starting mode			Y-1 △ Start
	Capacity control for capacity adjustment		%	0~100 (8-stage capacity adjustment)
	Input Power		KW	22	30	37.5	45	60	67.5	75
Refrigerant Oil Refrigerant oil Evaporator	Type Model			SUNISO 4GS
	Filling capacity		L	7	7	7	8	12	16	16
refrigerant Refrigerant	Type Model			R-22
	Control mode			Temperature sensitive external pressure equalization expansion valve
	Filling capacity		Kg	18	22	27	32	42	48	54
evaporator Evaporator	Type of form		-	Shell&tube type
	Pipe diameter	B		PT 3＂					PT 4＂
Condenser	Type of form		-	Shell&tube type
	Pipe diameter	B		PT 3＂					PT 4＂
Safety Device				High and low voltage switch, antifreeze protection, thrombolytic/safety valve, overload protection device, coil overheat protector, temperature automatic protection switch
Overall dimensions Dimension		Long (L)	mm	2050	2100	2100	2200	2550	2550	2550
		Width (W)	mm	850	850	850	1050	1200	1200	1200
		High (H)	mm	1950	1950	1950	1950	2200	2200	2200

Model No. of Simpson			unit	SPS-120EP	SPS-150EP	SPS-180EP	SPS-200EP	SPS-220EP	SPS-240EP	SPS-260EP
power supply			V	3 Φ 380V 50Hz
Rated Cooling Capacity			KW	419	480	572	638	715	805	866
			Kcal/h	360350	412800	491920	548680	614900	692300	744760
Input Power			KW	91.1	93.5	110.5	121.8	137.0	154.5	166.8
Chilled water flow			m³/h	66.7	82.4	95	110.6	122	132	140
Cooling water flow			m³/h	81.6	101.7	116	136.3	148	155	172
compressor Compressor	Type of form			Semi closed screw type
	Quantity Qty		number of units	1
	Starting mode			Y-1 △ Start
	Capacity control for capacity adjustment		%	0~100 (8-stage capacity adjustment)
	Input Power		KW	85	112.5	135	150	165	180	195
Refrigerant Oil Refrigerant oil Evaporator	Type Model			SUNISO 4GS
	Filling capacity		L	16	18	23	23	28	28	28
refrigerant Refrigerant	Type Model			R-22
	Control mode			Temperature sensitive external pressure equalization expansion valve
	Filling capacity		Kg	64	73	92	103	116	122	131
evaporator Evaporator	Type of form		-	Shell&tube type
	Pipe diameter		B	PT 5＂		PT 6＂			PT 8＂
Condenser	Type of form		-	Shell&tube type
	Pipe diameter		B	PT 5＂		PT 6＂
Safety Device				High and low voltage switch, antifreeze protection, thrombolytic/safety valve, overload protection device, coil overheat protector, temperature automatic protection switch
Overall dimensions Dimension		Long (L)	mm	2550	2550	2550	2550	2550	2550	2550
		Width (W)	mm	2100	2100	2100	2100	2100	2100	2100
		High (H)	mm	2200	2200	2200	2200	2200	2200	2200