饲料生产线技改项目建设项目环境影响报告表参考模板范本

.3.2废水污染物源强本次技改项目不新增员工，由于企业决定四期不在建设，故员工人数减少为140人。技改项目无生产废水产生，故本次技改完成后全厂不新增废水。5.3.3噪声污染源强本项目噪声主要来源于生产设备的运行噪声，各噪声源强约75～85dB(A)，其噪声设备声压级及降噪前后声压级情况见表5-3。表5-3本技改新增噪声源与厂界的最近距离位置噪声源数量噪声级(dB(A))距厂界最近距离(m)台/套降噪前降噪后降噪量东西南北生产车间冷却器475601550150140120制粒机480602060140130130粉碎机285652065135120130微粉碎机480602075125120130混合机2755520851151001505.3.4固体废物源强本技改项目不新增员工，故无员工生活垃圾产生，项目运营期固废主要为饲料生产除杂工段产生的沙石等杂质以及布袋除尘器收集的粉尘。①除杂工段产生的杂质项目在饲料生产过程，首先需将原料中沙石等杂质去除，类比同类企业运行经验，本技改项目除杂工段杂质产生量约为50t/a，此工段产生的固废由环卫部门统一清运。②布袋除尘器收集的粉尘本技改项目饲料生产工段产生的粉尘经布袋除尘器收集下的粉尘可会用于生产中，收集量为24.6t/a，不外排。综上可知，本技改项目产生的固体废物处置情况见表5-5。表5-5本技改项目固体废物处置情况表单位：t/a序号固体废物名称属性产生工序形态主要成分危险特性鉴别方法危险特性废物类别废物代码产生量利用处置单位1杂质一般固废除杂固态沙石等《国家危险废物名录》(2016年)以及危险废物鉴别标准50由环卫部门统一清运2尘渣废气处理小麦、豆粕等24.6回用于生产5.4污染物三本帐汇总表技改后全厂污染物三本帐汇总表见表5-6。表5-6全厂污染物产生量、削减量、排放量“三本帐”汇总表1272127200360360912912-360-3600.38880.064000.1080.0180.28080.046-0.108-0.0180.3180.013000.090.00360.2280.0094-0.09-0.00360.03740.0064000.01080.00180.02660.0046-0.0108-0.00180.00390.00064000.001080.000180.002820.00046-0.00108-0.000180.0240.0012000.00720.000360.01680.00084-0.0072-0.0003625.444790.93819.087.3028-18.142NH30.09941.2501.3494+1.25H2S0.00860.00600.0146+0.0061.6110.06741.20.4784-1.133NH30.010.006300.0163+0.0063H2S0.00090.0003700.00127+0.000370000000000六、项目主要污染物产生及预计排放情况种类排放源污染物名称产生浓度mg/m3产生量t/a排放浓度mg/m3排放速率kg/h排放量t/a排放去向大气污染物有组织排放粉碎、混合粉尘69.4412.51.740.1040.3127#NH31.390.251.390.080.25H2S0.00560.0010.00560.00030.001臭气/冷却粉尘20.832.51.040.040.1258#NH31.6670.21.6670.0670.2H2S0.0080.0010.0080.00030.001臭气/粉尘20.832.51.040.040.1259#NH31.6670.21.6670.0670.2H2S0.0080.0010.0080.00030.001臭气/粉尘31.253.751.560.060.18810#NH32.50.32.50.10.3H2S0.01250.00150.01250.00050.0015臭气/粉尘31.253.751.560.060.18811#NH32.50.32.50.10.3H2S0.01250.00150.01250.00050.0015臭气/无组织排放生产车间(2F)粉尘/0.061/0.02540.061无组织逸散NH3/0.0025/0.00420.0025H2S/0.0001/0.000170.0001臭气/粉尘/0.1/0.0420.1NH3/0.005/0.00210.005H2S/0.0005/0.00020.0005臭气/水污染物排放源污染物名称废水量m3/a产生浓度mg/L产生量t/a排放浓度mg/L排放量t/a排放去向本技改项目不新增生活废水和生产废水。固体废物排放源污染物名称产生量t/a处理量t/a综合利用量外排量备注除杂杂质505000环卫部门统一清运废气处理粉尘24.624.600回用生产噪声本技改项目的噪声主要来源于新增生产设备的运行噪声，各噪声源强约75～85dB，经过隔声减振、厂房隔声及距离衰减后厂界噪声影响值满足(GB12348-2008)3类排放标准要求。其他影响：无七、环境影响分析7.1施工期环境影响分析本次技改项目不新建厂房，利用原有厂房，施工期主要为设备的安装及调试，故本次不对施工期工程进行分析。7.2运营期环境影响分析7.2.1大气环境影响分析按照《环境影响评价技术导则大气环境》(HJ2.2-2018)要求，对本技改项目产生的废气污染源采用估算模式(AERSCREEN模式)进行大气影响预测。根据污染源分析结果，项目有组织废气作为点源考虑，无组织废气作为面源考虑。在预测因子选取时，综合考虑占标率大小、是否有质量标准、是否进行环境监测以及毒性大小等因素，选取相应污染物作为预测因子。本次预测方案及内容如下：(1)预测模式①预测范围：本次大气预测范围为边长为5km矩形区域。②预测因子：根据《环境技术影响评价导则大气环境》(HJ2.2-2018)中评价因子选择有环境质量标准的因子作为评价因子，由于臭气浓度没有环境质量标准，故本次预测未选择臭气浓度作为评价因子。③预测时段：生产运行期对大气环境的影响，并按正常排放进行预测。④预测模式：采用估算模式(AERSCREEN模式)分别计算各污染源的污染物的下风向轴线浓度，并计算相应浓度的占标率。(2)污染源参数本项目有组织废气源参数情况见表7-1、无组织废气污染源参数见表7-2。表7-1有组织废气排放源强参数点源名称排气筒高度(m)排气筒内径(m)烟气流量(m3/h)出口温度(℃)年排放时间(h)环境气温(℃)评价因子源强(kg/h)粉尘NH3H2S7#排气筒451.060000252400200.1040.080.00038#排气筒0.8400000.040.0670.00039#排气筒0.040.0670.000310#排气筒0.060.10.000511#排气筒0.060.10.0005表7-2无组织废气排放源强参数面源名称面源长度(m)面源宽度(m)高度(m)年排放时间(h)环境气温(℃)评价因子源强(kg/h)粉尘NH3H2S生产车间(2F)7837.24600200.02540.00420.00017原料仓库158801124000.00420.00210.0002(3)预测结果本技改项目用AERSCREEN模型预测正常排放情况下，本技改项目点源、无组织排放污染因子最大质量浓度、距排放源距离和占标率，预测结果见表7-3和表7-4：表7-3项目有组织废气排放估算模式预测污染物浓度扩散结果下风向距离(m)7#粉尘NH3H2S预测质量浓度(μg/m3)占标率(%)预测质量浓度(μg/m3)占标率(%)预测质量浓度(μg/m3)占标率(%)100.000600.0005000250.13350.030.10270.050.00040500.46730.10.35940.180.00130.01750.54080.120.4160.210.00160.021000.40640.090.31260.160.00120.011250.34880.080.26820.130.0010.011500.39570.090.30440.150.00110.011750.40180.090.3090.150.00120.012000.38930.090.29940.150.00110.012250.3750.080.28840.140.00110.012500.36770.080.28280.140.00110.012750.46120.10.35470.180.00130.013000.5530.120.42530.210.00160.023250.5890.130.4530.230.00170.023500.5930.130.45610.230.00170.023750.58760.130.45190.230.00170.024000.63690.140.48990.240.00180.024250.6920.150.53220.270.0020.024500.72540.160.55790.280.00210.024750.72840.160.56020.280.00210.025000.72630.160.55860.280.00210.025250.72040.160.55410.280.00210.025500.71150.160.54730.270.00210.025750.70040.160.53870.270.0020.026000.68770.150.52890.260.0020.026250.67390.150.51830.260.00190.026500.65920.150.5070.250.00190.026750.64410.140.49540.250.00190.027000.62870.140.48360.240.00180.027250.61330.140.47170.240.00180.027500.59790.130.45990.230.00170.027750.58270.130.44820.220.00170.028000.56770.130.43660.220.00160.028250.5530.120.42540.210.00160.028500.53870.120.41430.210.00160.028750.52470.120.40360.20.00150.029000.51120.110.39320.20.00150.019250.4980.110.3830.190.00140.019500.48530.110.37320.190.00140.019750.47290.110.36370.180.00140.0110000.4610.10.35450.180.00130.0110250.44940.10.34570.170.00130.0110500.43830.10.33710.170.00130.0110750.42750.10.32880.160.00120.0111000.41710.090.32080.160.00120.0111250.40710.090.31310.160.00120.0111500.39740.090.30570.150.00110.0111750.38810.090.29850.150.00110.0112000.37910.080.29160.150.00110.0112250.37040.080.28490.140.00110.0112500.3620.080.27840.140.0010.0112750.35390.080.27220.140.0010.0113000.34610.080.26620.130.0010.0113250.33860.080.26040.130.0010.0113500.33130.070.25480.130.0010.0113750.32420.070.24940.120.00090.0114000.31740.070.24410.120.00090.0114250.31080.070.2390.120.00090.0114500.30440.070.23410.120.00090.0114750.29820.070.22940.110.00090.0115000.29220.060.22470.110.00080.0115250.28640.060.22030.110.00080.0115500.28080.060.2160.110.00080.0115750.27530.060.21180.110.00080.0116000.27010.060.20770.10.00080.0116250.26490.060.20380.10.00080.0116500.260.060.20.10.00070.0116750.25520.060.19630.10.00070.0117000.25050.060.19270.10.00070.0117250.2460.050.18920.090.00070.0117500.24160.050.18580.090.00070.0117750.23730.050.18250.090.00070.0118000.23320.050.17930.090.00070.0118250.22910.050.17620.090.00070.0118500.22520.050.17320.090.00060.0118750.22370.050.17210.090.00060.0119000.22350.050.17190.090.00060.0119250.22310.050.17160.090.00060.0119500.22270.050.17130.090.00060.0119750.22220.050.17090.090.00060.0120000.22160.050.17040.090.00060.0120250.22090.050.16990.080.00060.0120500.22020.050.16940.080.00060.0120750.21950.050.16880.080.00060.0121000.21870.050.16820.080.00060.0121250.21780.050.16750.080.00060.0121500.21690.050.16680.080.00060.0121750.2160.050.16610.080.00060.0122000.2150.050.16530.080.00060.0122250.2140.050.16460.080.00060.0122500.21290.050.16380.080.00060.0122750.21180.050.16290.080.00060.0123000.21070.050.16210.080.00060.0123250.20960.050.16120.080.00060.0123500.20840.050.16030.080.00060.0123750.20720.050.15940.080.00060.0124000.2060.050.15840.080.00060.0124250.20470.050.15750.080.00060.0124500.20340.050.15650.080.00060.0124750.20220.040.15550.080.00060.0125000.20110.040.15470.080.00060.01下风向最大质量浓度(mg/m3)及占标率(%)0.72840.160.56020.280.00210.02D10%最远距离(m)/下风向距离(m)8#(9#)粉尘NH3H2S预测质量浓度(μg/m3)占标率(%)预测质量浓度(μg/m3)占标率(%)预测质量浓度(μg/m3)占标率(%)100.000300.0006000250.06350.010.10640.050.00050500.21790.050.3650.180.00160.02750.23050.050.38610.190.00170.021000.16830.040.28190.140.00130.011250.16090.040.26940.130.00120.011500.17570.040.29430.150.00130.011750.1740.040.29140.150.00130.012000.16850.040.28230.140.00130.012250.15940.040.26690.130.00120.012500.14780.030.24750.120.00110.012750.17740.040.29710.150.00130.013000.21270.050.35620.180.00160.023250.22650.050.37940.190.00170.023500.2280.050.3820.190.00170.023750.2260.050.37850.190.00170.024000.24490.050.41030.210.00180.024250.26610.060.44580.220.0020.024500.2790.060.46730.230.00210.024750.28010.060.46920.230.00210.025000.27930.060.46790.230.00210.025250.2770.060.46410.230.00210.025500.27360.060.45830.230.00210.025750.26940.060.45120.230.0020.026000.26450.060.4430.220.0020.026250.25910.060.43410.220.00190.026500.25350.060.42470.210.00190.026750.24770.060.41490.210.00190.027000.24180.050.4050.20.00180.027250.23590.050.39510.20.00180.027500.22990.050.38520.190.00170.027750.22410.050.37540.190.00170.028000.21830.050.36570.180.00160.028250.21270.050.35630.180.00160.028500.20720.050.3470.170.00160.028750.20180.040.3380.170.00150.029000.19660.040.32930.160.00150.019250.19150.040.32080.160.00140.019500.18660.040.31260.160.00140.019750.18190.040.30460.150.00140.0110000.17730.040.29690.150.00130.0110250.17280.040.28950.140.00130.0110500.16860.040.28230.140.00130.0110750.16440.040.27540.140.00120.0111000.16040.040.26870.130.00120.0111250.15660.030.26230.130.00120.0111500.15280.030.2560.130.00110.0111750.14930.030.250.130.00110.0112000.14580.030.24420.120.00110.0112250.14240.030.23860.120.00110.0112500.13920.030.23320.120.0010.0112750.13610.030.2280.110.0010.0113000.13310.030.2230.110.0010.0113250.13020.030.21810.110.0010.0113500.12740.030.21340.110.0010.0113750.12470.030.20890.10.00090.0114000.12210.030.20450.10.00090.0114250.11950.030.20020.10.00090.0114500.11710.030.19610.10.00090.0114750.11470.030.19210.10.00090.0115000.11240.020.18820.090.00080.0115250.11010.020.18450.090.00080.0115500.1080.020.18090.090.00080.0115750.10590.020.17740.090.00080.0116000.10390.020.1740.090.00080.0116250.10190.020.17070.090.00080.0116500.10.020.16750.080.00070.0116750.09820.020.16450.080.00070.0117000.09820.020.16450.080.00070.0117250.09810.020.16440.080.00070.0117500.0980.020.16420.080.00070.0117750.09780.020.16390.080.00070.0118000.09760.020.16350.080.00070.0118250.09740.020.16310.080.00070.0118500.09710.020.16260.080.00070.0118750.09680.020.16210.080.00070.0119000.09640.020.16160.080.00070.0119250.09610.020.1610.080.00070.0119500.09570.020.16030.080.00070.0119750.09530.020.15960.080.00070.0120000.09490.020.15890.080.00070.0120250.09440.020.15820.080.00070.0120500.0940.020.15740.080.00070.0120750.09350.020.15670.080.00070.0121000.09310.020.15590.080.00070.0121250.09260.020.15510.080.00070.0121500.09210.020.15420.080.00070.0121750.09160.020.15340.080.00070.0122000.09110.020.15250.080.00070.0122250.09050.020.15160.080.00070.0122500.090.020.15070.080.00070.0122750.08940.020.14980.070.00070.0123000.08890.020.14890.070.00070.0123250.08830.020.1480.070.00070.0123500.08780.020.1470.070.00070.0123750.08720.020.14610.070.00070.0124000.08660.020.14510.070.00060.0124250.08610.020.14430.070.00060.0124500.08560.020.14350.070.00060.0124750.08520.020.14270.070.00060.0125000.08470.020.14180.070.00060.01下风向最大质量浓度(mg/m3)及占标率(%)0.28010.060.46920.230.00210.02D10%最远距离(m)/下风向距离(m)10#(11#)粉尘NH3H2S预测质量浓度(μg/m3)占标率(%)预测质量浓度(μg/m3)占标率(%)预测质量浓度(μg/m3)占标率(%)100.000500.0009000250.09530.020.15880.080.00080.01500.32690.070.54480.270.00270.03750.34590.080.57640.290.00290.031000.25250.060.42070.210.00210.021250.24140.050.40220.20.0020.021500.26360.060.43930.220.00220.021750.2610.060.4350.220.00220.022000.25280.060.42140.210.00210.022250.23910.050.39850.20.0020.022500.22170.050.36950.180.00180.022750.26610.060.44350.220.00220.023000.31910.070.53170.270.00270.033250.33990.080.56640.280.00280.033500.34210.080.57020.290.00290.033750.33910.080.5650.280.00280.034000.36750.080.61250.310.00310.034250.39930.090.66540.330.00330.034500.41860.090.69750.350.00350.034750.42030.090.70040.350.00350.045000.41910.090.69840.350.00350.035250.41570.090.69270.350.00350.035500.41060.090.68420.340.00340.035750.40420.090.67350.340.00340.036000.39680.090.66130.330.00330.036250.38880.090.6480.320.00320.036500.38040.080.63390.320.00320.036750.37170.080.61940.310.00310.037000.36280.080.60460.30.0030.037250.35390.080.58970.290.00290.037500.3450.080.57490.290.00290.037750.33620.070.56030.280.00280.038000.32760.070.54590.270.00270.038250.31910.070.53180.270.00270.038500.31080.070.5180.260.00260.038750.30280.070.50460.250.00250.039000.2950.070.49150.250.00250.029250.28740.060.47890.240.00240.029500.280.060.46660.230.00230.029750.27290.060.45470.230.00230.0210000.2660.060.44330.220.00220.0210250.25930.060.43220.220.00220.0210500.25290.060.42150.210.00210.0210750.24670.050.41110.210.00210.0211000.24070.050.40110.20.0020.0211250.23490.050.39150.20.0020.0211500.22930.050.38220.190.00190.0211750.22390.050.37320.190.00190.0212000.21870.050.36450.180.00180.0212250.21370.050.35620.180.00180.0212500.20890.050.34810.170.00170.0212750.20420.050.34030.170.00170.0213000.19970.040.33280.170.00170.0213250.19540.040.32560.160.00160.0213500.19120.040.31860.160.00160.0213750.18710.040.31180.160.00160.0214000.18320.040.30520.150.00150.0214250.17930.040.29880.150.00150.0114500.17560.040.29270.150.00150.0114750.17210.040.28670.140.00140.0115000.16860.040.2810.140.00140.0115250.16530.040.27540.140.00140.0115500.1620.040.270.130.00130.0115750.15890.040.26480.130.00130.0116000.15580.030.25970.130.00130.0116250.15290.030.25480.130.00130.0116500.150.030.250.120.00130.0116750.14740.030.24560.120.00120.0117000.14730.030.24550.120.00120.0117250.14720.030.24540.120.00120.0117500.1470.030.2450.120.00120.0117750.14680.030.24460.120.00120.0118000.14650.030.24410.120.00120.0118250.14610.030.24350.120.00120.0118500.14570.030.24280.120.00120.0118750.14520.030.2420.120.00120.0119000.14470.030.24120.120.00120.0119250.14420.030.24030.120.00120.0119500.14360.030.23930.120.00120.0119750.1430.030.23830.120.00120.0120000.14240.030.23720.120.00120.0120250.14170.030.23620.120.00120.0120500.1410.030.2350.120.00120.0120750.14030.030.23390.120.00120.0121000.13960.030.23270.120.00120.0121250.13890.030.23150.120.00120.0121500.13820.030.23020.120.00120.0121750.13740.030.2290.110.00110.0122000.13660.030.22770.110.00110.0122250.13580.030.22640.110.00110.0122500.1350.030.2250.110.00110.0122750.13420.030.22370.110.00110.0123000.13340.030.22230.110.00110.0123250.13260.030.22090.110.00110.0123500.13170.030.21950.110.00110.0123750.13080.030.2180.110.00110.0124000.130.030.21660.110.00110.0124250.12930.030.21540.110.00110.0124500.12850.030.21420.110.00110.0124750.12780.030.21290.110.00110.0125000.12710.030.21170.110.00110.01下风向最大质量浓度(mg/m3)及占标率(%)0.42030.090.70040.350.00350.04D10%最远距离(m)/注：本技改项目8#和9#、10#和11#排气筒排放的污染物种类与污染物排放量一样，故本次预计结果不重复列明。表7-4项目无组织废气排放估算模式预测污染物浓度扩散结果下风向距离(m)生产车间(2F)粉尘NH3H2S预测质量浓度(μg/m3)占标率(%)预测质量浓度(μg/m3)占标率(%)预测质量浓度(μg/m3)占标率(%)1011.7472.611.92850.960.07860.792513.9413.12.28871.140.09330.935014.8833.312.44341.220.099617512.6382.812.07481.040.08460.8510011.6122.581.90630.950.07770.7812510.6012.361.74040.870.07090.711509.65952.151.58580.790.06460.651758.82271.961.44840.720.0590.592008.09711.81.32930.660.05420.5422514.8833.312.44341.220.099612507.53291.671.23670.620.05040.52757.07341.571.16130.580.04730.473006.65741.481.0930.550.04450.453256.29651.41.03370.520.04210.423505.97951.330.98170.490.040.43755.69871.270.93560.470.03810.384005.43771.210.89270.450.03640.364255.19311.150.85260.430.03470.354504.96451.10.8150.410.03320.334754.74941.060.77970.390.03180.325004.54841.010.74670.370.03040.35254.36080.970.71590.360.02920.295504.18530.930.68710.340.0280.285754.02120.890.66020.330.02690.276003.86730.860.63490.320.02590.266253.72290.830.61120.310.02490.256503.58710.80.58890.290.0240.246753.45940.770.56790.280.02310.237003.33910.740.54820.270.02230.227253.22570.720.52960.260.02160.227503.11850.690.5120.260.02090.217753.01730.670.49540.250.02020.28002.92140.650.47960.240.01950.28252.83060.630.46470.230.01890.198502.74450.610.45060.230.01840.188752.66270.590.43710.220.01780.189002.5850.570.42440.210.01730.179252.51110.560.41230.210.01680.179502.44080.540.40070.20.01630.169752.37370.530.38970.190.01590.1610002.30970.510.37920.190.01550.1510252.24870.50.36920.180.0150.1510502.19030.490.35960.180.01470.1510752.13940.480.35120.180.01430.1411002.08570.460.34240.170.0140.1411252.03420.450.3340.170.01360.1411501.98490.440.32590.160.01330.1311751.93770.430.31810.160.0130.1312001.89230.420.31070.160.01270.1312251.84870.410.30350.150.01240.1212501.80690.40.29660.150.01210.1212751.76660.390.290.150.01180.1213001.72780.380.28370.140.01160.1213251.69060.380.27750.140.01130.1113501.65460.370.27160.140.01110.1113751.620.360.2660.130.01080.1114001.58660.350.26050.130.01060.1114251.55440.350.25520.130.01040.114501.52330.340.25010.130.01020.114751.49330.330.24520.120.010.115001.46420.330.24040.120.00980.115251.43620.320.23580.120.00960.115501.4090.310.23130.120.00940.0915751.38280.310.2270.110.00930.0916001.35730.30.22280.110.00910.0916251.33270.30.21880.110.00890.0916501.30880.290.21490.110.00880.0916751.28570.290.21110.110.00860.0917001.26330.280.20740.10.00850.0817251.24150.280.20380.10.00830.0817501.22040.270.20040.10.00820.0817751.19990.270.1970.10.0080.0818001.180.260.19370.10.00790.0818251.16070.260.19060.10.00780.0818501.14190.250.18750.090.00760.0818751.12360.250.18450.090.00750.0819001.10580.250.18160.090.00740.0719251.08850.240.17870.090.00730.0719501.07170.240.1760.090.00720.0719751.05540.230.17330.090.00710.0720001.03940.230.17060.090.0070.0720251.02390.230.16810.080.00690.0720501.00880.220.16560.080.00670.0720750.9940.220.16320.080.00670.0721000.97970.220.16080.080.00660.0721250.96570.210.15850.080.00650.0621500.9520.210.15630.080.00640.0621750.93870.210.15410.080.00630.0622000.92560.210.1520.080.00620.0622250.9130.20.14990.070.00610.0622500.90060.20.14790.070.0060.0622750.88840.20.14590.070.00590.0623000.87660.190.14390.070.00590.0623250.86510.190.1420.070.00580.0623500.85380.190.14020.070.00570.0623750.84270.190.13840.070.00560.0624000.8320.180.13660.070.00560.0624250.82140.180.13490.070.00550.0524500.81110.180.13320.070.00540.0524750.8010.180.13150.070.00540.0525000.79110.180.12990.060.00530.05下风向最大质量浓度(mg/m3)及占标率(%)173.782.7911.40.11381.14D10%最远距离(m)/下风向距离(m)原料仓库粉尘NH3H2S预测质量浓度(μg/m3)占标率(%)预测质量浓度(μg/m3)占标率(%)预测质量浓度(μg/m3)占标率(%)108.18721.824.09362.050.0390.39259.65872.154.82942.410.0460.465011.7972.625.89862.950.05620.567513.693.046.84493.420.06520.651008.18721.824.09362.050.0390.3912514.1883.157.09373.550.06760.6815013.2122.946.60623.30.06290.6317512.8352.856.41743.210.06110.6120012.3022.736.1513.080.05860.5922511.6642.595.8322.920.05550.5625011.0022.445.50092.750.05240.5227510.3442.35.17212.590.04930.493009.74862.174.87432.440.04640.463259.1882.044.5942.30.04380.443508.75041.944.37522.190.04170.423758.3631.864.18152.090.03980.44008.00091.784.000420.03810.384257.6711.73.83551.920.03650.374507.36621.643.68311.840.03510.354757.08821.583.54411.770.03380.345006.8321.523.4161.710.03250.335256.37631.423.18821.590.03040.35506.16221.373.08111.540.02930.295755.95811.322.97911.490.02840.286005.76461.282.88231.440.02740.276255.5811.242.79051.40.02660.276505.40681.22.70341.350.02570.266755.24121.162.62061.310.0250.257005.08281.132.54141.270.02420.247254.93171.12.46581.230.02350.237504.78781.062.39391.20.02280.237754.65081.032.32541.160.02210.228004.518812.25941.130.02150.228254.3930.982.19651.10.02090.218504.27290.952.13641.070.02030.28754.15850.922.07921.040.01980.29004.04880.92.02441.010.01930.199253.94410.881.9720.990.01880.199503.84370.851.92190.960.01830.189753.74770.831.87380.940.01780.1810003.65570.811.82780.910.01740.1710253.56740.791.78370.890.0170.1710503.48280.771.74140.870.01660.1710753.40130.761.70070.850.01620.1611003.32310.741.66160.830.01580.1611253.24810.721.6240.810.01550.1511503.17590.711.58790.790.01510.1511753.10640.691.55320.780.01480.1512003.03950.681.51980.760.01450.1412252.97510.661.48760.740.01420.1412502.9130.651.45650.730.01390.1412752.85270.631.42640.710.01360.1413002.79450.621.39730.70.01330.1313252.73830.611.36920.680.0130.1313502.6840.61.3420.670.01280.1313752.63120.581.31560.660.01250.1314002.58010.571.290.650.01230.1214252.53070.561.26530.630.01210.1214502.48290.551.24150.620.01180.1214752.43670.541.21830.610.01160.1215002.39190.531.1960.60.01140.1115252.34850.521.17430.590.01120.1115502.30650.511.15330.580.0110.1115752.26580.51.13290.570.01080.1116002.22630.491.11310.560.01060.1116252.18790.491.0940.550.01040.116502.15070.481.07540.540.01020.116752.11460.471.05730.530.01010.117002.07960.461.03980.520.00990.117252.04550.451.02280.510.00970.117502.01240.451.00620.50.00960.117751.98020.440.99010.50.00940.0918001.94890.430.97440.490.00930.0918251.91840.430.95920.480.00910.0918501.88880.420.94440.470.0090.0918751.85990.410.930.460.00890.0919001.83180.410.91590.460.00870.0919251.80450.40.90220.450.00860.0919501.77780.40.88890.440.00850.0819751.75180.390.87590.440.00830.0820001.72640.380.86320.430.00820.0820251.70170.380.85090.430.00810.0820501.67760.370.83880.420.0080.0820751.65410.370.82710.410.00790.0821001.63120.360.81560.410.00780.0821251.60880.360.80440.40.00770.0821501.58690.350.79350.40.00760.0821751.56560.350.78280.390.00750.0722001.54470.340.77240.390.00740.0722251.52440.340.76220.380.00730.0722501.50450.330.75220.380.00720.0722751.4850.330.74250.370.00710.0723001.47140.330.73570.370.0070.0723251.45270.320.72640.360.00690.0723501.43440.320.71720.360.00680.0723751.41650.310.70830.350.00670.0724001.3990.310.69950.350.00670.0724251.38190.310.69090.350.00660.0724501.36510.30.68250.340.00650.0724751.34860.30.67430.340.00640.0625001.33260.30.66630.330.00630.06下风向最大质量浓度(mg/m3)及占标率(%)14.2783.177.13893.570.0680.68D10%最远距离(m)/由上表可见，项目正常排放情况下，粉尘、NH3、H2S废气最大占标率为3.78%，小于10%，本技改项目粉尘、NH3、H2S废气污染物排放浓度均能满足相应标准要求。故本技改项目排放的废气污染物对周围环境空气质量影响较小。(4)大气防护距离采用导则推荐模式中的大气环境防护距离模式，计算无组织源的大气环境防护距离。根据项目无组织废气污染源强，带入程序计算，未出现超标点，不需要设置无组织防护距离。(5)卫生防护距离根据《制定地方大气污染物排放标准的技术方法》(GB/T13201--91)推荐的计算公式，计算本项目无组织排放的各污染源卫生防护距离。式中：Cm--标准浓度限值，mg/m3；QC--工业企业有害气体排放量可以达到的控制水平，kg/h；L--工业企业所需卫生防护距离，m；γ--有害气体排放源所在生产单元的等效半径，m。根据该生产单元占地面积S(m2)计算，r=(S/π)0.5；A、B、C、D--计算系数。根据本项目无组织排放的情况，由公式计算确定无组织排放污染物需要设置的卫生防护距离见表7-5。表7-5卫生防护距离计算参数及计算结果污染源位置污染物名称产生速率(kg/h)计算结果(m)卫生防护距离(m)生产车间(2F)粉尘0.02541.050NH30.0042050H2S0.00017050臭气浓度//50原料仓库粉尘0.042150NH30.0021050H2S0.0002050臭气浓度//50成品仓库臭气浓度//50卫生防护距离计算依据为：(1)凡不通过排气筒或通过15m高度以下排气筒排放有害气体，均属于无组织排放。工业企业应采用合理的生产工艺流程，加强生产管理与设备维护，最大限度地减少有害气体的无组织排放。(2)无组织排放的有害气体进入呼吸带大气层时，其浓度如超过GB3095与TJ36规定的居住区容许浓度限值，则无组织排放源所在的生产单元(生产区、车间或工段)与居住区之间应设置卫生防护距离。(3)卫生防护距离在100米以内时，级差为50米；超过100米但小于1000米时，级差为100米；超过1000米以上时，级差为200米。(4)无组织排放多种有害气体的工业企业，按Qc/Qm的最大值计算其所需卫生防护距离。(5)当按两种或两种以上有害气体的Qc/Qm值计算的卫生防护距离在同一级别时，该类工业企业的卫生防护距离应提高一级。综上所述，本技改项目的生产车间和原料仓库均以厂房边界设置100m卫生防护距离，成品仓库以厂房边界设置50m卫生防护距离。目前卫生防护距离内无居民、学校等环境敏感保护目标，且本环评要求卫生防护距离内不得建设居民区、学校等环境敏感目标。项目卫生防护距离包络线见附图二。(6)污染物排放量核算根据项目废气产生及处理情况，本项目大气污染物有组织排放量核算见下表7-6，无组织排放量核算见下表7-7。表7-6本项目大气污染物有组织排放量核算表序号排放口编号污染物名称核算排放浓度(mg/m3)核算排放速率(kg/h)核算排放量(t/a)一般排放口1P1(7#排气筒)粉尘1.740.1040.312NH31.390.080.25H2S0.00560.00030.0012P2(8#排气筒)粉尘1.040.040.125NH31.6670.0670.2H2S0.0080.00030.0013P3(9#排气筒)粉尘1.040.040.125NH31.6670.0670.2H2S0.0080.00030.0014P4(10#排气筒)粉尘1.560.060.188NH32.50.10.3H2S0.01250.00050.00155P5(11#排气筒)粉尘1.560.060.188NH32.50.10.3H2S0.01250.00050.0015一般排放口合计粉尘0.938NH31.25H2S0.006有组织排放合计粉尘0.938NH31.25H2S0.006表7-7大气污染物无组织排放量核算表序号编号产污环节污染物名称标准名称浓度限值(mg/m3)排放量(t/a)1生产车间调料粉尘(GB16297-1996)1.00.061NH3(GB14554-93)1.50.0025H2S0.060.00012原料仓库卸料粉尘(GB16297-1996)1.00.1NH3(GB14554-93)1.50.005H2S0.060.0005无组织排放总计无组织排放总计粉尘0.161NH30.0075H2S0.0006表7-8大气污染物年排放量核算表序号污染物年排放量(t/a)1粉尘1.0992NH31.25753H2S0.00667.2.2水环境影响分析本技改项目不新增员工，故无员工生活废水，运营期无生产废水产生，故本技改项目运营期无新增废水外排，对周边地表水环境影响较小。7.2.3噪声环境影响分析本技改项目的噪声主要来源于新增的生产设备运行噪声，各噪声源强约75～85dB。①预测范围和预测点选定原则预测范围和预测点选定同噪声现状调查。②预测内容预测生产运行期各噪声源对厂界噪声测点的影响值，然后叠加成各测点的总影响值。③预测模式噪声从声源传播到受声点，受传播距离、空气吸收、阻挡物的反射与屏蔽等因素的影响，声能逐渐衰减，根据(HJ2.4-2009)《环境影响评价技术导则声环境》，噪声预测计算的公式如下。a.噪声衰减模式LA(r)=LWA-(Adiv+Aatm+Aexc)Adiv=20lg(r/r0)Aatm=α(r-r0)/100Aexc=5lg(r/r0)式中：LA(r)--距声源r处的A声级值(dB)；LWA--已知点声源A声级值(dB)；Adiv--声级几何发散引起的A声级衰减量(dB)；Aatm--空气吸收引起的A声级衰减量(dB)；Aexc--地面效应引起的附加衰减量(dB)；α--空气吸收系数，dB/100m；取相对湿度80%，温度15℃时的值；r、r0--声源至预测点和测量点的距离。(b)预测点的A声级叠加公式：式中：LA总--预测点处总的A声级(dB)；LAi--第i个声源至预测总处的A声级(dB)；n--声源个数。④主要噪声源的确定各噪声源距厂界的最近距离见表7-9。表7-9项目各噪声源与厂界的最近距离位置噪声源数量噪声级(dB(A))距厂界最近距离(m)台/套降噪前降噪后降噪量东西南北生产车间冷却器475601550150140120制粒机480602060140130130粉碎机285652065135120130微粉碎机480602075125120130混合机275552085115100150⑤预测结果及评价噪声在室外空间的传播，由于受到遮挡物的隔断，各种介质的吸收与反射，以及空气介质的吸收等物理作用而逐渐减弱。为了简化计算条件并能考虑到最不利因素，计算时只考虑噪声控制措施及噪声随距离的衰减时噪声源对外环境影响情况，噪声背景值取两次测量的最大值。各噪声源对厂界噪声贡献值见表7-10。表7-10声环境影响预测结果dB(A)影响值声源东厂界西厂界南厂界北厂界生产车间冷却器26.016.517.118.4制粒机24.417.10.017.7粉碎机25.719.420.419.7微粉碎机22.518.118.417.7混合机13.410.812.08.5贡献值31.024.123.924.6背景值昼间57.356.955.655.1夜间49.149.348.849.4叠加值昼间57.356.955.655.1夜间49.249.348.849.4标准值昼间65夜间55从上表可以得出，本项目各主要噪声源采用降噪措施后，并综合考虑屏障作用后，对厂界的影响值昼、夜间均可达到《工业企业厂界环境噪声排放标准》(GB12348-2008)中排放限值的要求，厂界在叠加背景值后仍满足《声环境质量标准》(GB3096-2008)中的3类标准，不会改变周边的声环境功能。7.2.4固体废物环境影响分析本技改项目运营期不新增员工，故无员工生活垃圾产生，产生的主要固体废弃物为杂质、布袋除尘器收集尘渣。其中杂质由环卫部门收集后统一清运，布袋除尘器收集的尘渣回用于生产。项目固废均安全处置不外排，对周围环境无影响。7.2.5环保三同时一览表本项目环保“三同时”项目及投资估算情况详见表7-11。表7-11项目环保三同时表污染源环保设施名称投资(万元)备注环保效果进度废水化粪池/依托现有达标排放与主体工程同时设计同时施工同时投产雨污分流/废气沉降室+布袋除尘器100/达标排放噪声厂房隔声、基础减震20/厂界达标固废垃圾收集装置5依托现有安全处置绿化植树、种草等绿化措施/依托现有净化空气，防尘降噪，美化环境合计/125/八、建设项目拟采取的防治措施及预期治理效果内容类型排放源(编号)污染物名称防治措施预期治理效果大气污染物生产车间粉碎、混合、粉尘、NH3、H2S、臭气浓度粉碎、混合工段产生的废气经管道收集后经沉降室+布袋除尘器处理通过7#45m高的排气筒排放冷却冷却工段产生的废气经管道收集后经布袋除尘器处理通过8~11#45m排气筒排放投料投料工段产生的废气经集气罩收集采用布袋除尘器处理车间内无组织排放原料仓库/无组织排放成品仓库臭气浓度/无组织排放水污染物本技改项目不新增生活废水和生产废水。固体废物除杂杂质环卫部门统一处置安全处置废气处理尘渣回用于生产噪声生产车间噪声对引风机采取隔振减振设置项目厂界噪声达标其它无主要生态影响(不够时可附另页)：无。九、结论与建议9.1结论(1)项目概况××××有限公司成立于2014年8月1日，××××有限公司投资的年产23万吨水产饲料生产项目于2014年获得××市环境保护局工业园