YINENG PRODUCTS

Horizontal Oil/Gas-Fired Thermal Oil Boiler

Model / Series YY(Q)W

A circular-coil thermal oil heater with burner and PLC control. Rated heat outputs span 120–14000 kW.

The YY(Q)W series uses circular coils with a top-end coil to protect the furnace end wall and improve heat utilization. A burner, PLC automation and remote control are provided.

After ignition, the flame transfers radiant heat within the coils. Hot flue gas collects at the rear furnace door and turns into the convective tube banks, then passes through the tail-end heating surfaces and chimney. Heating surfaces comprise the radiant section, convective tube banks and a tail-end section that can include an air preheater, economizer, waste-heat boiler or a combination.

Design and features

Top coil

Coils cover the furnace top to protect the end wall and improve heat utilization.

Radiant and convective surfaces

Closely arranged multilayer coils are secured by welded round steel. Inner coils absorb radiant heat, followed by convective heat transfer in the tube banks.

Packaged and skid-mounted delivery

The inspected boiler is dispatched as a package for transport and commissioning. A complete skid can be positioned on site and connected to fuel and power.

Temperature scanning

A scanning instrument monitors individual tube temperatures in each branch.

Low-NOx burner

A low-NOx burner can be customized for non-standard gaseous fuels.

PLC control and remote connectivity

Automatic combustion regulation is interlocked with expansion-tank level, inlet/outlet temperatures and flow monitoring. Unattended operation, a remote app and DCS integration can be configured.

Calculation basis: lower heating values of 8400 kcal/Nm³ for natural gas and 10250 kcal/kg for diesel. Y denotes oil firing and Q denotes gas firing.

PRODUCT DATA

Specifications

Detailed model designation: YY(Q)W-___rated heat output (KW)___Y(Q)
Rated heat output	KW	120	240	350	500	700	1000	1200	1400	2000	2400
X104Kcal/h		10	20	30	40	60	80	100	120	160	200
Thermal efficiency (Y)	≥%	96.10	96.09	96.28	96.27	96.02	96.00	96.06	96.03	96.07	96.06
Thermal efficiency (Q)	≥%	98.05	98.04	98.23	98.20	98.53	98.52	98.16	98.53	98.55	98.50
Design pressure	Mpa	1.0
Maximum medium temperature	℃	320
Thermal oil circulation flow	m3/h	12.5	18	30	30	60	80	100	100	160	160
Oil volume in heater	m3	0.09	0.12	0.29	0.38	0.52	0.57	0.74	0.92	1.55	1.77
Pipe connection nominal diameter	DN	50	50	65	65	100	100	150	150	150	150
Total installed system power	KW	4.7	7.2	9.5	9.8	17.6	18.0	25.7	26.5	44.0	53.5
Transport dimensions (length)	mm	2180	2514	2769	3250	3540	3764	4374	5410	5640	5560
Transport dimensions (width)	mm	1290	1320	1650	1690	1710	1810	1810	1810	2022	2254
Transport dimensions (height)	mm	1575	1575	1993	2082	1880	2291	2321	2321	2480	2700
Total equipment weight	Kg	1550	1632	2745	3146	3771	4496	4993	5680	7700	8765
Continued
Rated heat output	KW	3000	3500	4100	4700	6000	7000	8200	9300	12000	14000
X104Kcal/h		250	300	350	400	500	600	700	800	1000	1200
Thermal efficiency (Y)	≥%	96.00	96.10	96.01	96.20	96.18	96.17	92.98	96.06	96.11	96.31
Thermal efficiency (Q)	≥%	98.02	98.03	98.06	98.07	98.04	98.08	92.15	98.39	98.05	98.66
Design pressure	Mpa	1.0
Maximum medium temperature	℃	320
Thermal oil circulation flow	m3/h	180	200	250	250	350	400	350	500	600	800
Oil volume in heater	m3	1.96	3.78	4.61	5.70	7.40	8.35	9.50	10.20	13.30	15.6
Pipe connection nominal diameter	DN	150	200	200	250	250	250	300	300	300	350
Total installed system power	KW	77.2	87.2	111.7	120.2	164.2	165	202	198	200	250
Transport dimensions (length)	mm	6194	6674	7456	7742	8990	9441	10484	10966	13500	15114
Transport dimensions (width)	mm	2254	2610	2807	3240	3406	3390	3560	3610	3740	3750
Transport dimensions (height)	mm	2700	3150	3402	3860	4117	4107	4230	4280	3850	3890
Total equipment weight	Kg	10267	16743	17446	20669	29682	32311	34640	36852	49380	52980