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鋼套鋼蒸汽保溫管技術(shù)參數(shù)

鋼套鋼直埋蒸汽保溫管廠家型號(hào)表

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鋼套鋼直埋蒸汽保溫管廠家型號(hào)表

直埋蒸汽保溫管的標(biāo)準(zhǔn)保溫厚度（CJ/T200-2000) T=200℃
序號(hào)	公稱(chēng)直徑		D0	lnDW=(45*lnD0+10.88or12.66)/52.35 σ=(DW-D0)/2				DW	保溫厚度 σ
1	DN50	45	0.057	-2.8647	10.88	52.35	-2.25466	0.104909	24.0
2	DN70	45	0.076	-2.57702	10.88	52.35	-2.00737	0.134341	29.2
3	DN80	45	0.089	-2.41912	10.88	52.35	-1.87164	0.153871	32.4
4	DN100	45	0.108	-2.22562	10.88	52.35	-1.70531	0.181716	36.9
5	DN125	45	0.133	-2.01741	10.88	52.35	-1.52633	0.217332	42.2
6	DN150	45	0.159	-1.83885	12.66	52.35	-1.33884	0.262149	51.6
7	DN200	45	0.219	-1.51868	12.66	52.35	-1.06362	0.345202	63.1
8	DN250	45	0.273	-1.29828	12.66	52.35	-0.87417	0.417208	72.1
9	DN300	45	0.325	-1.12393	12.66	52.35	-0.7243	0.484666	79.8
10	DN350	45	0.377	-0.97551	12.66	52.35	-0.59671	0.550618	86.8
11	DN400	45	0.426	-0.85332	12.66	52.35	-0.49168	0.611601	92.8
12	DN450	45	0.478	-0.73814	12.66	52.35	-0.39267	0.675249	98.6
13	DN500	45	0.53	-0.63488	12.66	52.35	-0.30391	0.73793	104.0
14	DN600	45	0.63	-0.46204	12.66	52.35	-0.15533	0.856131	113.1
15	DN700	45	0.72	-0.3285	12.66	52.35	-0.04055	0.960263	120.1
直埋蒸汽保溫管的標(biāo)準(zhǔn)保溫厚度（CJ/T200-2000) T=250℃
序號(hào)	公稱(chēng)直徑		D0	lnDW=(45*lnD0+16or18.6)/55.8 σ=(DW-D0)/2				DW	保溫厚度 σ
1	DN50	45	0.057	-2.8647	16	55.8	-2.02351	0.132191	37.6
2	DN70	45	0.076	-2.57702	16	55.8	-1.79151	0.166709	45.4
3	DN80	45	0.089	-2.41912	16	55.8	-1.66416	0.189349	50.2
4	DN100	45	0.108	-2.22562	16	55.8	-1.50812	0.221326	56.7
5	DN125	45	0.133	-2.01741	16	55.8	-1.3402	0.261793	64.4
6	DN150	45	0.159	-1.83885	18.6	55.8	-1.14961	0.31676	78.9
7	DN200	45	0.219	-1.51868	18.6	55.8	-0.89141	0.410077	95.5
8	DN250	45	0.273	-1.29828	18.6	55.8	-0.71367	0.489843	108.4
9	DN300	45	0.325	-1.12393	18.6	55.8	-0.57306	0.563797	119.4
10	DN350	45	0.377	-0.97551	18.6	55.8	-0.45337	0.635484	129.2
11	DN400	45	0.426	-0.85332	18.6	55.8	-0.35482	0.701296	137.6
12	DN450	45	0.478	-0.73814	18.6	55.8	-0.26194	0.769554	145.8
13	DN500	45	0.53	-0.63488	18.6	55.8	-0.17867	0.836386	153.2
14	DN600	45	0.63	-0.46204	18.6	55.8	-0.03928	0.961485	165.7
15	DN700	45	0.72	-0.3285	18.6	55.8	0.068411	1.070805	175.4

直埋蒸汽保溫管的標(biāo)準(zhǔn)保溫厚度（CJ/T200-2000) T=300℃
序號(hào)	公稱(chēng)直徑		D0	lnDW=(45*lnD0+21.48or24.98)/59.5 σ=(DW-D0)/2				DW	保溫厚度 σ
1	DN50	45	0.057	-2.8647	21.48	59.5	-1.80557	0.16438	53.7
2	DN70	45	0.076	-2.57702	21.48	59.5	-1.588	0.204334	64.2
3	DN80	45	0.089	-2.41912	21.48	59.5	-1.46858	0.230253	70.6
4	DN100	45	0.108	-2.22562	21.48	59.5	-1.32224	0.266538	79.3
5	DN125	45	0.133	-2.01741	21.48	59.5	-1.16476	0.311997	89.5
6	DN150	45	0.159	-1.83885	24.98	59.5	-0.9709	0.378744	109.9
7	DN200	45	0.219	-1.51868	24.98	59.5	-0.72875	0.482511	131.8
8	DN250	45	0.273	-1.29828	24.98	59.5	-0.56206	0.570032	148.5
9	DN300	45	0.325	-1.12393	24.98	59.5	-0.4302	0.65038	162.7
10	DN350	45	0.377	-0.97551	24.98	59.5	-0.31795	0.72764	175.3
11	DN400	45	0.426	-0.85332	24.98	59.5	-0.22553	0.798091	186.0
12	DN450	45	0.478	-0.73814	24.98	59.5	-0.13843	0.870725	196.4
13	DN500	45	0.53	-0.63488	24.98	59.5	-0.06033	0.941456	205.7
14	DN600	45	0.63	-0.46204	24.98	59.5	0.070393	1.07293	221.5
15	DN700	45	0.72	-0.3285	24.98	59.5	0.171383	1.186946	233.5
直埋蒸汽保溫管的標(biāo)準(zhǔn)保溫厚度（CJ/T200-2000) T=350℃
序號(hào)	公稱(chēng)直徑		D0	lnDW=(45*lnD0+28or32.5)/63.9 σ=(DW-D0)/2				DW	保溫厚度 σ
1	DN50	45	0.057	-2.8647	28	63.9	-1.57921	0.206137	74.6
2	DN70	45	0.076	-2.57702	28	63.9	-1.37662	0.25243	88.2
3	DN80	45	0.089	-2.41912	28	63.9	-1.26542	0.282121	96.6
4	DN100	45	0.108	-2.22562	28	63.9	-1.12916	0.323306	107.7
5	DN125	45	0.133	-2.01741	28	63.9	-0.98252	0.374365	120.7
6	DN150	45	0.159	-1.83885	32.5	63.9	-0.78636	0.455501	148.3
7	DN200	45	0.219	-1.51868	32.5	63.9	-0.56089	0.570702	175.9
8	DN250	45	0.273	-1.29828	32.5	63.9	-0.40568	0.666525	196.8
9	DN300	45	0.325	-1.12393	32.5	63.9	-0.28289	0.753601	214.3
10	DN350	45	0.377	-0.97551	32.5	63.9	-0.17837	0.836631	229.8
11	DN400	45	0.426	-0.85332	32.5	63.9	-0.09232	0.911814	242.9
12	DN450	45	0.478	-0.73814	32.5	63.9	-0.01121	0.98885	255.4
13	DN500	45	0.53	-0.63488	32.5	63.9	0.06151	1.063441	266.7
14	DN600	45	0.63	-0.46204	32.5	63.9	0.18323	1.201091	285.5
15	DN700	45	0.72	-0.3285	32.5	63.9	0.277266	1.319518	299.8
備注：	1、管道當(dāng)量埋深0.8米。 2、管道中心埋設(shè)深度DN150以?xún)?nèi)1.1米,DN150以外1.4米。 3、保溫層材料在運(yùn)行溫度下的導(dǎo)熱系數(shù)300度0.058W/(mK)、350度0.063W/(mK)。 4、土的導(dǎo)熱系數(shù)1.5W/(m*K)。 5、直埋保溫管管道周邊環(huán)境溫度20度。 6、工作管外表面溫度，可按介質(zhì)溫度。 7、保溫管外表面溫度，按設(shè)計(jì)要求（標(biāo)準(zhǔn)50度）。