化工類生產(chǎn)技術(shù)方面中英對照

1、 HYPERLINK “ :/ paper-translation /“ paper-translation 妙文翻譯公司翻譯樣稿三各產(chǎn)品工藝描述及主要原料供給介紹。楊林基地25 萬噸/年二水磷酸氫鈣生產(chǎn)裝置生產(chǎn)流程示意圖如下：中和釜自動壓濾機旋風(fēng)枯燥器氣流粉碎成品包裝振動篩酸堿工藝流程如下:將配制好的碳酸鈣漿液緩慢參加已放入磷酸的中和反響釜中,最終用石灰乳調(diào)整懸浮液的 PH 值。將中和料漿放入自動壓濾機過濾脫水，母液返回作配酸使用，濾餅進入氣流枯燥器進展枯燥，得到枯燥粉末產(chǎn)品，產(chǎn)品經(jīng)過裂開、篩分得成品。原料的質(zhì)量及供給狀況食品級磷酸的供給商有：陸良五豐磷化工、澄江德安磷化工、澄江華業(yè)磷化工和

2、云南天耀化工。供給的磷酸質(zhì)量能滿足工藝要求。供給狀況：410 月，由于云南電力供給充分，故磷酸供給充分。其余時間，由于黃磷價格上漲和 2022 年節(jié)能減排限制，磷酸供給缺乏。碳酸鈣的供給商為昆明富民云達工業(yè)制粉廠。供給商的原料雖然充分，但有時無法滿足選購的需要，緣由是其生產(chǎn)出的碳酸鈣產(chǎn)品白度指標達不到我們的要求。0.2 萬噸年磷酸鈣鹽多功能生產(chǎn)裝置生產(chǎn)流程示意圖如下：中和釜虹吸離心機氣流枯燥器氣流粉碎成品包裝振動篩酸堿工藝流程如下無水磷酸氫鈣:將配制好的碳酸鈣漿液緩慢參加已放入磷酸的中和反響釜中,最終調(diào)整懸浮液的 PH 值。將中和料漿放入離心機過濾脫水，母液返回作配酸使用，濾餅進入氣流枯燥器進

3、展枯燥，得到枯燥粉末產(chǎn)品，產(chǎn)品經(jīng)過裂開、篩分得成品。原料的質(zhì)量及供給狀況 HYPERLINK “ :/ acmetranslation /“ acmetranslation HYPERLINK “ :/ acmetranslation .cn/“ acmetranslation .cn原料狀況同上二水磷酸氫鈣的原料。清靜分公司10000 噸/年食品五鈉裝置生產(chǎn)流程示意圖如下：酸堿中和槽中和液貯槽噴粉塔聚合爐成品包裝振動篩裂開機冷卻機工藝描述承受邊酸邊堿的方式將磷酸和液堿同時參加到中和槽進展中和反響，依據(jù)生產(chǎn)產(chǎn)品的需要，把握好 PH 值和 K 值，將中和好的中和液供往貯槽供噴粉使用；中和好的中和

4、液在噴粉塔內(nèi)經(jīng)加壓噴霧枯燥后進入聚合爐聚合后，得到枯燥粉末產(chǎn)品，經(jīng)冷卻、裂開、篩分后得到成品。熔聚爐驟冷機斗提機5000 噸/年六偏裝置生產(chǎn)流程示意圖如下：技改中和液濃縮塔成品包裝振動篩裂開機工藝描述10000 噸/年食品五鈉技改工程供來的稀中和液進入濃縮塔進展?jié)饪s，濃縮好的中和液供入熔聚爐進展脫水聚合，熔融六偏溶液經(jīng)驟冷機驟冷結(jié)片，片狀六偏產(chǎn)品經(jīng)裂開、篩分后得到成品。136004000Nm3/小時煤氣裝置生產(chǎn)流程示意圖如下： 外購原煤煤氣發(fā)生旋風(fēng)除塵雙豎管洗滌塔脫硫箱 HYPERLINK “ :/ acmetranslation /“ acmetranslation HYPERLINK “

5、:/ acmetranslation .cn/“ acmetranslation .cn供食品五鈉裝置使用工藝描述外購的原煤間歇的參加煤氣發(fā)生爐，經(jīng)煤氣發(fā)生爐汽化后制得煤氣，制得的煤氣經(jīng)除塵、洗滌降溫、脫硫后供 10000 噸/年食品五鈉裝置使用。10000 噸/年濕法磷酸凈扮裝置生產(chǎn)流程示意圖如下：外購濕法酸添加劑1#工段2#工段3#工段4#工段濃縮工段6#工段5#工段工藝描述外購的濕法磷酸經(jīng)裝置 1#、2#、3#、4#、5#工段凈化脫出濕法磷酸中的雜質(zhì)， 供往 6#工段，在 6#工段依據(jù)食品五鈉裝置和六偏裝置的產(chǎn)品生產(chǎn)需要，把握好中和液 PH 值經(jīng)濃縮工段濃縮后供食品五鈉裝置和六偏裝置使用

6、。10000 噸/年食品級磷酸裝置生產(chǎn)流程示意圖如下：工業(yè)磷酸反響釜緩沖槽離心過濾機清酸槽脫砷劑工藝描述成品槽循環(huán)酸槽外購的的工業(yè)級熱法磷酸和經(jīng)計量的脫砷劑在反響釜反響后，經(jīng)沉淀過濾脫出熱法磷酸中的砷和重金屬，再經(jīng)脫氣后脫出硫化氫氣體，得到成品食品級磷酸。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