化工类生产技术方面中英对照

1、 HYPERLINK “ :/ paper-translation /“ paper-translation 妙文翻译公司翻译样稿三各产品工艺描述及主要原料供给介绍。杨林基地25 万吨/年二水磷酸氢钙生产装置生产流程示意图如下：中和釜自动压滤机旋风枯燥器气流粉碎成品包装振动筛酸碱工艺流程如下:将配制好的碳酸钙浆液缓慢参加已放入磷酸的中和反响釜中,最终用石灰乳调整悬浮液的 PH 值。将中和料浆放入自动压滤机过滤脱水，母液返回作配酸使用，滤饼进入气流枯燥器进展枯燥，得到枯燥粉末产品，产品经过裂开、筛分得成品。原料的质量及供给状况食品级磷酸的供给商有：陆良五丰磷化工、澄江德安磷化工、澄江华业磷化工和

2、云南天耀化工。供给的磷酸质量能满足工艺要求。供给状况：410 月，由于云南电力供给充分，故磷酸供给充分。其余时间，由于黄磷价格上涨和 2022 年节能减排限制，磷酸供给缺乏。碳酸钙的供给商为昆明富民云达工业制粉厂。供给商的原料虽然充分，但有时无法满足选购的需要，缘由是其生产出的碳酸钙产品白度指标达不到我们的要求。0.2 万吨年磷酸钙盐多功能生产装置生产流程示意图如下：中和釜虹吸离心机气流枯燥器气流粉碎成品包装振动筛酸碱工艺流程如下无水磷酸氢钙:将配制好的碳酸钙浆液缓慢参加已放入磷酸的中和反响釜中,最终调整悬浮液的 PH 值。将中和料浆放入离心机过滤脱水，母液返回作配酸使用，滤饼进入气流枯燥器进

3、展枯燥，得到枯燥粉末产品，产品经过裂开、筛分得成品。原料的质量及供给状况 HYPERLINK “ :/ acmetranslation /“ acmetranslation HYPERLINK “ :/ acmetranslation .cn/“ acmetranslation .cn原料状况同上二水磷酸氢钙的原料。清静分公司10000 吨/年食品五钠装置生产流程示意图如下：酸碱中和槽中和液贮槽喷粉塔聚合炉成品包装振动筛裂开机冷却机工艺描述承受边酸边碱的方式将磷酸和液碱同时参加到中和槽进展中和反响，依据生产产品的需要，把握好 PH 值和 K 值，将中和好的中和液供往贮槽供喷粉使用；中和好的中和

4、液在喷粉塔内经加压喷雾枯燥后进入聚合炉聚合后，得到枯燥粉末产品，经冷却、裂开、筛分后得到成品。熔聚炉骤冷机斗提机5000 吨/年六偏装置生产流程示意图如下：技改中和液浓缩塔成品包装振动筛裂开机工艺描述10000 吨/年食品五钠技改工程供来的稀中和液进入浓缩塔进展浓缩，浓缩好的中和液供入熔聚炉进展脱水聚合，熔融六偏溶液经骤冷机骤冷结片，片状六偏产品经裂开、筛分后得到成品。136004000Nm3/小时煤气装置生产流程示意图如下： 外购原煤煤气发生旋风除尘双竖管洗涤塔脱硫箱 HYPERLINK “ :/ acmetranslation /“ acmetranslation HYPERLINK “

5、:/ acmetranslation .cn/“ acmetranslation .cn供食品五钠装置使用工艺描述外购的原煤间歇的参加煤气发生炉，经煤气发生炉汽化后制得煤气，制得的煤气经除尘、洗涤降温、脱硫后供 10000 吨/年食品五钠装置使用。10000 吨/年湿法磷酸净扮装置生产流程示意图如下：外购湿法酸添加剂1#工段2#工段3#工段4#工段浓缩工段6#工段5#工段工艺描述外购的湿法磷酸经装置 1#、2#、3#、4#、5#工段净化脱出湿法磷酸中的杂质， 供往 6#工段，在 6#工段依据食品五钠装置和六偏装置的产品生产需要，把握好中和液 PH 值经浓缩工段浓缩后供食品五钠装置和六偏装置使用

6、。10000 吨/年食品级磷酸装置生产流程示意图如下：工业磷酸反响釜缓冲槽离心过滤机清酸槽脱砷剂工艺描述成品槽循环酸槽外购的的工业级热法磷酸和经计量的脱砷剂在反响釜反响后，经沉淀过滤脱出热法磷酸中的砷和重金属，再经脱气后脱出硫化氢气体，得到成品食品级磷酸。三 Description of Technology of Various Products and Introduction of Main Raw Materials SupplyYanglin BaseThe production flow chart of calcium hydrogen phosphate dehydrates

7、manufacturing System with an annual capacity of 25,000 tons as following:Neutralizing ReactorAutomatic PressureFilterCyclone DryerJet Milling HYPERLINK “ :/ acmetranslation .cn/“ acmetranslation .cnVibrationSieveAcidalkali HYPERLINK “ :/ acmetranslation /“ acmetranslation HYPERLINK “ :/ paper-transl

8、ation /“ paper-translation HYPERLINK “ :/ acmetranslation /“ acmetranslation HYPERLINK “ :/ acmetranslation .cn/“ acmetranslation .cnfinished product packagingProcess Flow is as following:Add the prepared calcium carbonate serosity slowly into the neutralizing reactor in which phosphoric acid has al

9、ready been added, then using the lime cream to adjust the pH value of the suspension. Then add the neutralized slurry into the Automatic Pressure Filter to dehydrate by filtering, then the mother liquor returns to be utilized as complex acid, and then the filter mass enters the flash drier for dehyd

10、ration, yielding the dried end product in powder, after crushing and sieving finished product is obtained.The quality of raw material and supplying conditionThe suppliers of food grade phosphoric acid include：Luliangwufeng Phosphate Chemical Industry Co., Ltd, Chengjiangdean Phosphate Chemical Indus

11、try Co., Ltd, Chengjianghuaye Phosphate Chemical Industry Co., Ltd and Yunnan Tianyao Chemical Industry Co., Ltd. The quality of phosphoric acid supplied can meet the technology requirement. The supplying situation has been: between April and October, since the electricity supply in Yunnan is suffic

12、ient, therefore the phosphoric acid supply has been abundant. During other period, since the rise in price of yellow phosphorus and energy saving and the restriction of reduction in pollutants discharge in 2022, there has been shortage in phosphoric acid supply.The supplier of calcium carbonate has

13、been the Kunming Fumingyunda Industrial Milling Plant. Although the raw material supply has been abundant, it could not meet the demands of procurement occasionally, since the whiteness degree of calcium carbonate produced could not meet our requirement.NeutralizingReactorSiphon-peelerCentrifugeFlas

14、h DryerJet Millingfinished productpackagingVibrationSieveThe production flow chart of calcium phosphate salt multifunctional manufacturing system with an annual capacity of 2,000 tons as following:AcidAlkaliProcess Flow is as following(Anhydrous DCP):Add the prepared calcium carbonate serosity slowl

15、y into the neutralizing reactor in which phosphoric acid has already been added, then adjust the pH value of suspension finally. Then add the neutralized slurry into the Automatic Pressure Filter to dehydrate by filtering, then the mother liquor returns to be utilized as complex acid, and then the f

16、ilter mass enters the flash drier for dehydration, yielding the dried end product in powder, after crushing and sieving finished product is obtained.The quality of raw material and supplying conditionsThe conditions of raw material is the same as described above (the raw material of calcium hydrogen

17、 phosphate dihydrate)Anning FilialeThe production flow chart of food grade pentasodium manufacturing System with an annual capacity of 10,000 tons as following:AcidAlkaliNeutralizingTankNeutralizerStorage TankSpray TowerpolyfurnaceFinished ProductPackagingVibration SieveCrusherCoolersTechnology Proc

18、ess DescriptionUtilizing the process of adding the acid and alkali at the same time, add phosphoric acid and caustic soda liquid into the neutralizing tank at the same time, according to the demands of the manufacturing products, and keep the pH and K value under control, then supply the neutralized

19、 liquid to the storage tank for spray; after pressurized spray drying in the spray tower, the neutralized liquid is supplied to the polyfurnase for polymerization, yielding dried powder products, after cooling, crushing, sieving finished product is obtained.The production flow chart of sodium hexame

20、tahposphate manufacturing System with an annual capacity of 5,000 tons as following:Neutralized Liquid afterTechnology Reform,evaporatingtowerAgglomerating FurnaceQuenchingMachineBucketElevatorFinished ProductPackagingVibrationSieveCrusherTechnology Process DescriptionThe diluted neutralized liquid

21、supplied by the technology reform project of food grade pentasodium with an annual capacity of 10,000 tons is delivered into the evaporating tower for concentration, the neutralized liquid after concentration is delivered into the agglomeration furnace for dehydration and polymerization, the melting

22、 Sodium hexametaphosphate solution is cooled through quenching machines to obtain flakes of Sodium hexametaphosphate which yields finished products after crushing and sieving.The production flow chart of gas fixture system with an hourly capacity of 3,600 to4,000Nm 3 as following:Gas GenerationCyclo

23、ne DustRemovalDouble-standpipeWashing TowerSupply for food gradePentasodium SystemDesulfurizationTankCoal ProcurementTechnology Process DescriptionThe coal outsourced is added into the gas generator intermittently, and gas is obtained by vaporization through gas generator, after dust removal, washin

24、g and cooling, as well as desulfurization, could be utilized by food grade pentasodium system with an annual capacity of 10,000 tons.The production flow chart of Purification Project for wet phosphoric acid manufacturing System with an annual capacity of 10,000 tons as following:Procurement of Wet A

25、cidAdditives1#work shop section2#work shop sectionConcentration Process3#work shop section6#workshopsection4#work shop section5#work shop sectionTechnology Process DescriptionOutsourced wet Phosphoric acid has been eliminated of the impurity in wet phosphoric acidthrough processes 1”,2”,3”,4”,5”,the

26、n supplied to process 6”, and according to the manufacturinrequirement of food grade pentasodium system and sodium hexametahposphate system, with proper control of pH value of neutralized liquid, after concentration during concentration process, could be supplied for food grade pentasodium system and sodium hexametahposphate system.The produc