Erosive Wear of Cr30A High Chromium Cast Iron in a Simulated Circulating Pump Operation Condition with Slurry Related to Wet DesulfurationProcess in Thermal Power Plant

doi:10.11902/1005.4537.2018.139

Journal of Chinese Society for Corrosion and protection

2019, Vol. 39

Issue (4): 353-358 DOI: 10.11902/1005.4537.2018.139

Current Issue | Archive | Adv Search

Erosive Wear of Cr30A High Chromium Cast Iron in a Simulated Circulating Pump Operation Condition with Slurry Related to Wet DesulfurationProcess in Thermal Power Plant

YU Renqiang,HE Jianjun(

),LI Wei,REN Yanjie,YANG Wang

School of Energy and Power Engineering, Changsha University of Science and Technology, Changsha 410114, China

Download:

HTML

PDF(7988KB)
Export: BibTeX | EndNote (RIS)

Abstract

The erosion wear performance of Cr30A high chromium cast iron in a simulated circulating pump operation condition with slurry related to wet desulfuration process for thermal power plant, was investigated by means of mass loss test and microstructure examination. The result shows that with the increasing rotation speed, the mass loss of the steel significantly increases. The wear component is the main fraction of the total amount of corrosion-wear. When the rotation speed is 400 r/min, there is no oxide scale on the surface of the test steel sample. The component of interaction for corrosion and wear may be accounted for 48.73% of the total corrosion-wear, implying that there existed synergistic effect of the two. When the rotation speed is 1200 r/min, there is a dense oxide scale on the steel surface, the component of corrosion-wear interaction is negative and it seems that the two processes are antagonistic. The interaction between corrosion and wear is an important factor affecting the wear resistance of materials.

Key words: desulfurization circulating pump Cr30A high chromium cast iron erosion wear synergistic interaction esulfuration by wet processes

Received: 28 September 2018

ZTFLH:

TK05

Fund: Supported by Research Foundation of Education Bureau of Hunan Province of China(18A143)

Corresponding Authors: Jianjun HE E-mail: hejianjun329@126.com

	Service

	E-mail this article
	Add to citation manager
	E-mail Alert
	RSS
	（）
	Articles by authors
	Renqiang YU
	Jianjun HE
	Wei LI
	Yanjie REN
	Wang YANG

Cite this article:

YU Renqiang,HE Jianjun,LI Wei,REN Yanjie,YANG Wang. Erosive Wear of Cr30A High Chromium Cast Iron in a Simulated Circulating Pump Operation Condition with Slurry Related to Wet DesulfurationProcess in Thermal Power Plant. Journal of Chinese Society for Corrosion and protection, 2019, 39(4): 353-358.

URL:

https://www.jcscp.org/EN/10.11902/1005.4537.2018.139 OR https://www.jcscp.org/EN/Y2019/V39/I4/353

Fig.1 Schematic diagram of the corrosion-wear apparatus

Fig.2 Mass losses of Cr30A under corrosion wear and pure wear conditions at different rotation rates

Table 1 Mass losses induced by different factors in corrosion-wear process

Fig.3 Surface images of Cr30A specimens after wear and corrosion wear tests under two different impact conditions at 400 r/min: (a) wear, quartz sand∶deionized water=1:4; (b) corrosion wear, quartz sand:3.5%NaCl=1:4, pH=3

Fig.4 Surface images of Cr30A specimens after wear and corrosion wear tests under two different impact conditions at 800 r/min: (a) wear, quartz sand:deionized water=1:4; (b) corrosion wear, quartz sand:3.5%NaCl=1:4, pH=3

Fig.5 EDS results of the surface of Cr30A specimen after corrosion wear test at 800 r/min

Fig.6 Surface images of Cr30A specimens after wear and corrosion wear tests under two different impact conditions at 1200 r/min: (a) wear, quartz sand∶deionized water=1:4; (b) corrosion wear, quartz sand:3.5%NaCl=1:4, pH=3

Fig.7 EDS result of the surface of Cr30A specimen after wear test at 1200 r/min

[1]	JingY W, LiuS G. A study on erosion and protective methods of water wall tubes of CFB boilers [J]. J. Power Eng., 2006, 25: 747
[1]	(景永伟, 刘少光. 流化床锅炉水冷壁管冲蚀磨损特性及防磨措施 [J]. 动力工程, 2006, 25: 747)
[2]	SampathkumaranP, SeetharamuS. Erosion and abrasion characteristics of high manganese chromium irons [J]. Wear, 2005, 259: 70
[3]	AnijdanS H M, BahramiA, VarahramN, et al. Effects of tungsten on erosion-corrosion behavior of high chromium white cast iron [J]. Mater. Sci. Eng., 2007, A454/455: 623
[4]	Al-BukhaitiM A, AhmedS M, BadranF M F, et al. Effect of impingement angle on slurry erosion behaviour and mechanisms of 1017 steel and high-chromium white cast iron [J]. Wear, 2007, 262: 1187
[5]	TianH H, AddieG R, VisintainerR J. Erosion-corrosion performance of high-Cr cast iron alloys in flowing liquid-solid slurries [J]. Wear, 2009, 267: 2039
[6]	TangX H, ChungR, PangC J, et al. Microstructure of high (45wt%) chromium cast irons and their resistances to wear and corrosion [J]. Wear, 2011, 271: 1426
[7]	ChenJ, ZhangQ A, ZhangQ, et al. Sliding wear-corrosion performance of AISI 316 stainless steel against alumina in artificial seawater [J]. J. Chin. Soc. Corros. Prot., 2014, 34: 433
[7]	(陈君, 李全安, 张清等. AISI 316不锈钢腐蚀磨损交互作用的研究 [J]. 中国腐蚀与防护学报, 2014, 34: 433)
[8]	YoganandhJ, NatarajanS, Kumaresh BabuS P. Erosive wear behavior of high-alloy cast iron and duplex stainless steel under mining conditions [J]. J. Mater. Eng. Perform., 2015, 24: 3588
[9]	CoronadoJ J, SinatoraA. Abrasive wear study of white cast iron with different solidification rates [J]. Wear, 2009, 267: 2116
[10]	AlbertinE, SinatoraA. Effect of carbide fraction and matrix microstructure on the wear of cast iron balls tested in a laboratory ball mill [J]. Wear, 2001, 250: 492
[11]	QiuM, ZhangY Z, YangJ H, et al. Effects of friction heat on tribological properties of Ti6Al4V alloy sliding against GCr15 steel [J]. Tribology, 2006, 26: 203
[11]	(邱明, 张永振, 杨建恒等. 摩擦热对Ti6Al4V合金摩擦磨损性能的影响 [J]. 摩擦学学报, 2006, 26: 203)
[12]	BateniM R, SzpunarJ A, WangX, et al. Wear and corrosion wear of medium carbon steel and 304 stainless steel [J]. Wear, 2006, 260: 116
[13]	ChenJ, ZhangQ, LiQ A, et al. Corrosion and tribocorrosion behaviors of AISI 316 Stainless steel and Ti6Al4V alloys in artificial seawater [J]. Trans. Nonferrous Met. Soc. China, 2014, 24: 1022
[14]	BiH Y, LiS Z, JiangX X. The Effect of deformation strengthening on wear resistance of stainless steel in dry sliding and corrosive environment [J]. Tribology, 1998, 18: 327
[14]	(毕红运, 李诗卓, 姜晓霞. 不锈钢腐蚀磨损过程中形变强化能力的研究 [J]. 摩擦学学报, 1998, 18: 327)
[15]	ZhangL M, DongM C, LvJ J. Tribo-corrosion map of K4169 alloy in artificial seawater [J]. Tribology, 2016, 36: 636
[15]	(张丽敏, 董沫辰, 吕晋军. K4169合金在人工海水中的腐蚀磨损图 [J]. 摩擦学学报, 2016, 36: 636)
[16]	TaoY Q, LiuG, LiY S, et al. Corrosion wear properties of 2024 Al-alloy in artificial seawater [J]. J. Chin. Soc. Corros. Prot., 2016, 36: 587
[16]	(陶永奇, 刘刚, 黎业生等. 海水环境下2024铝合金腐蚀磨损性能研究 [J]. 中国腐蚀与防护学报, 2016, 36: 587)
[17]	ZhaoX P, ZhuC W, YeG L, et al. Experimental study on fly ash erosive wear of carbon steel 20# in corrosive gas environment [J]. J. Chin. Soc. Power Eng., 2015, 35: 944
[17]	(赵宪萍, 朱崇武, 叶桂林等. 20碳钢在腐蚀性气流环境中飞灰冲蚀磨损试验研究 [J]. 动力工程学报, 2015, 35: 944)
[18]	LiX X, ZhouY, CaoH, et al. Wear behavior and mechanism of H13 steel in different environmental media [J]. J. Mater. Eng. Perform., 2016, 25: 4134

No related articles found!

No Suggested Reading articles found!

Viewed

Full text

Abstract

Cited

Shared

Discussed