Comprehensive evaluation for energy saving and emission reduction performance of turbulent drag reducing agent in heating systems

doi:10.3969/j.issn.2097-0706.2022.09.006

Abstract

Abstract:

The development and technologies of cogeneration heating,solar heating,wind power heating and other heating systems are reviewed. According to the estimation on the energy-saving and emission-reduction effect of turbulent drag reducing agent added in centralized heating systems,the heating systems that are suitable for dosing turbulent drag reducing agent are screened. The results show that adding turbulent drag reducing agent can save about 294 000 yuan, cut 587.2 t standard coal and reduce 1 409.8 t CO₂ emission for a heating system heating with a 1 million m² area in a 150 d heating season. If drag reducing agent can be applied to heating systems national-widely,5.7 million tons of standard coal, 2.88 billion yuan and 14 Mt CO₂ emission can be reduced in a single heating season. The data have proved the significant energy saving and emission reduction effect, as well as the economy of dosing drag reducing agent in centralized heating systems.

Key words: centralized heating system, cogeneration, solar heating, wind power heating, heating by industrial waste heat, turbulent drag reducing agent, energy saving and emission reduction, carbon emissions, clean energy

CLC Number:

TK01

WANG Kaiting, LI Xiaobin, ZHANG Hongna, LIU Shen, QU Kaiyang, LI Fengchen. Comprehensive evaluation for energy saving and emission reduction performance of turbulent drag reducing agent in heating systems[J]. Integrated Intelligent Energy, 2022, 44(9): 40-50.

Figures/Tables 18

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减阻剂	减阻剂质量浓度/(g·L^-1)	稳定剂	稳定剂质量浓度/（g·L^-1）	适用温度范围/℃
十六烷基三甲基氯化铵	2.0	水杨酸钠	2.0	30~60^[19-20]
十八烷基三甲基氯化铵	2.0	水杨酸钠	2.0	30~90^[19-20]
二十二烷基三甲基氯化铵	2.0	水杨酸钠	2.0	60~110^[19-20]
十八烷基二甲基氧化胺	0.9	—	—	40~70^[21]
SPE98330	1.5	—	—	55~70^[22]
十八烷基甜菜碱	0.1	—	—	70~100^[23]
十六烷基甜菜碱	0.2	—	—	30~90^[23]

锅炉	水泵/台	循环泵型号	额定功率/kW	额定流量/（m³·h^-1）	额定扬程/m	额定转速/（r·min^-1）	是否变频泵	频率/Hz
^#1	1	LF60157-158269	75	393	54	1 485	是	50
^#2	1	LF60157-158270	75	393	54	1 485	是	50
^#3	1	LF60157-158271	75	393	54	1 485	是	50
^#4	2	LF60157-158269	45	258	48	1 475	是	45

入口编号	平均流量	设计流量
^#10,^#11	38.1	147.9
^#12,^#13	76.9	148.5
^#14,^#15,^#17	25.4	148.5
^#16	16.2	148.5
^#18	24.3	121.9
^#19	14.0	31.1
^#20	22.0	30.6
^#21	14.6	16.7
^#22	20.2	40.2
^#23,^#24	21.2	36.2
^#25	24.9	55.9
^#26	12.3	65.1
^#27	15.9	15.2
^#28	16.2	16.7
^#29	22.7	21.4
^#30	27.5	32.9
^#31	28.2	35.4
^#32	19.7	30.2
^#33	14.7	34.3
^#34	20.1	40.1
^#35—^#37	41.8	66.0
^#38	6.7	56.0
^#39	12.3	65.1

锅炉	水泵/台	每台实际流量/（m³·h^-1）	实际扬程/m	效率/%	实际功率/kW
^#1	1	181	48	72	32.9
^#2	1	181	48	72	32.9
^#3	1	181	48	72	32.9
^#4	2	134	42	65	23.6

锅炉	水泵/台	每台实际流量/（m³·h^-1）	扬程/m	效率/%	实际功率/kW
^#1	1	181	28	62	22.3
^#2	1	181	28	62	22.3
^#3	1	181	28	62	22.3
^#4	2	134	23	64	13.1