Ka'idar Tsigewa

Stuɓe shine amfani da aikin sinadari don lalata rini akan fiber ɗin kuma ya sa ya rasa launi.
Akwai manyan nau'ikan nau'ikan sinadarai guda biyu. Ɗaya daga cikin abubuwan da ke ragewa, waɗanda ke cimma manufar dushewa ko canza launi ta hanyar lalata tsarin launi a tsarin kwayoyin halitta na rini. Misali, rini masu tsarin azo suna da rukunin azo. Ana iya rage shi zuwa rukunin amino kuma ya rasa launi. Duk da haka, lalacewar wakili mai ragewa ga tsarin launi na wasu dyes yana canzawa, don haka za'a iya dawo da faduwa, kamar tsarin launi na tsarin anthraquinone. Sodium sulfonate da farin foda ana yawan amfani da su wajen rage peeling. Sauran sune abubuwan cirewar oxygen, daga cikinsu waɗanda aka fi amfani dasu sune hydrogen peroxide da sodium hypochlorite. A karkashin wasu yanayi, oxidants na iya haifar da lalacewa ga wasu ƙungiyoyi waɗanda suka haɗa da tsarin launi na ƙwayoyin cuta, kamar rugujewar ƙungiyoyin azo, oxidation na ƙungiyoyin amino, methylation na ƙungiyoyin hydroxy, da rabuwar hadaddun ions na ƙarfe. Wadannan canje-canjen tsarin da ba za a iya jurewa ba suna haifar da faɗuwa ko canza launin rini, don haka a ka'idar, ana iya amfani da wakili na tsiri oxidative don cikakken cirewar magani. Wannan hanya tana da tasiri musamman ga rini tare da tsarin anthraquinone.

Rini na gama-gari

2.1 Cire rini mai amsawa

Duk wani rini mai amsawa mai ɗauke da rukunin ƙarfe yakamata a fara dafa shi a cikin maganin maganin chelating na ƙarfe (2 g/L EDTA). Sa'an nan a wanke sosai da ruwa kafin rage alkaline ko oxidation stripping magani. Cikakkun tsiri yawanci ana bi da shi a babban zafin jiki na mintuna 30 a cikin alkali da sodium hydroxide. Bayan an dawo da bawon, a wanke sosai. Sa'an nan kuma an yi sanyi a cikin maganin sodium hypochlorite. Misalin tsari:
Misalai na ci gaba da aiwatar da tsiri:
Tufafin rini → maganin rage miya (caustic soda 20 g/l, soluene 30 g/l) → 703 rage yawan tururi (100℃) → wankewa

Misalin aiwatar da peeling fenti:

Tufafi mai launi → reel → 2 ruwan zafi → 2 caustic soda (20g / l) 8 launi peeling (sodium sulfide 15g / l, 60 ℃) 4 ruwan zafi → 2 ruwan sanyi → Tsarin bleaching na al'ada sodium hypochlorite (NaClO) 2.5 g / l, tari na minti 45).

2.2 Cire rini na sulfur

Yadudduka rini na sulfur yawanci ana gyara su ta hanyar yi musu magani a cikin wani bayani mara kyau na ragewa wakili (6 g/L cikakken ƙarfi sodium sulfide) a mafi girman zafin jiki don cimma wani yanki na peeling na rini kafin a sake rini. launi. A lokuta masu tsanani, dole ne a yi amfani da sodium hypochlorite ko sodium hypochlorite.
Misalin tsari
Misalin launi mai haske:
A cikin yadi → ƙarin jiƙa da mirgina (sodium hypochlorite 5-6 grams lita, 50 ℃) → 703 steamer (minti 2) → cikakken wanke ruwa → bushewa.

Misali mai duhu:
Launi mara kyau → mirgina oxalic acid (15 g / l a 40 ° C) → bushewa → mirgina sodium hypochlorite (6 g / l, 30 ° C na 15 seconds) → cikakken wankewa da bushewa

Misalan matakan tsari:
55% crystalline sodium sulfide: 5-10 g / l; soda ash: 2-5 g/l (ko 36°BéNaOH 2-5 ml/l);
Zazzabi 80-100, lokaci 15-30, rabon wanka 1: 30-40.

2.3 Cire rini na acid

Tafasa na tsawon minti 30 zuwa 45 tare da ruwan ammonia (2O zuwa 30 g/L) da wakili na anionic (1 zuwa 2 g/L). Kafin maganin ammonia, yi amfani da sodium sulfonate (10 zuwa 20 g/L) a 70 ° C don taimakawa kammala kwasfa. A ƙarshe, ana kuma iya amfani da hanyar tsiri oxidation.
A ƙarƙashin yanayin acidic, ƙara wani surfactant na musamman zai iya samun sakamako mai kyau na peeling. Akwai kuma waɗanda ke amfani da yanayin alkaline don cire launi.

Misalin tsari:
Misalai na ainihin tsari na peeling siliki:

Ragewa, tsiri da bleaching (soda ash 1g / L, ƙari na O 2g / L, sulfur foda 2-3g / L, zafin jiki 60 ℃, lokaci 30-45min, rabon wanka 1:30) → pre-media magani (ferrous) sulfate heptahydrate) 10g/L, 50% hypophosphorous acid 2g/L, formic acid daidaita pH 3-3.5, 80°C for 60min /L, pentacrystalline sodium silicate 3-5g/L, zafin jiki 70-8O℃, lokaci 45-90min, pH darajar 8-10) → tsabta

Misalin tsarin cire ulu:

Nifanidine AN: 4; Oxalic acid: 2%; Ƙara yawan zafin jiki zuwa tafasa a cikin minti 30 kuma ajiye shi a wurin tafasa don minti 20-30; sai a tsaftace shi.

Misalin tsarin tube nailan:

36°BéNaOH: 1% -3%; lebur da O: 15% -20%; kayan aikin roba: 5% -8%; rabon wanka: 1:25-1:30; zafin jiki: 98-100 ° C; lokaci: 20-30min (har sai duk decolorization).

Bayan an cire duk kalar, za a rage zafin jiki a hankali, sannan a wanke shi da ruwa sosai, sannan a wanke alkali da ya rage a kan nailan gaba daya da 0.5mL/L acetic acid a 30 ° C na minti 10, sannan a wanke. da ruwa.

2.4 Cire rini

Gabaɗaya, a cikin tsarin gauraye na sodium hydroxide da sodium hydroxide, rini na masana'anta yana sake ragewa a yanayin zafi mai ɗanɗano. Wani lokaci yana da mahimmanci don ƙara maganin polyvinylpyrrolidine, kamar BASF's Albigen A.

Misalai na ci gaba da aiwatar da tsiri:

Tufafin rini → maganin rage miya (caustic soda 20 g/l, soluene 30 g/l) → 703 rage yawan tururi (100℃) → wankewa

Misalin tsarin bawon lokaci:

Pingping da O: 2-4g/L; 36°BéNaOH: 12-15ml/L; Sodium hydroxide: 5-6g/L;

A lokacin tsiri magani, zafin jiki ne 70-80 ℃, da lokaci ne 30-60 minti, da wanka rabo ne 1:30-40.

2.5 Cire rini

Yawancin hanyoyin da ake amfani da su don tarwatsa dyes akan polyester:

Hanyar 1: Sodium formaldehyde sulfoxylate da mai ɗauka, bi da su a 100 ° C da pH4-5; Sakamakon magani ya fi mahimmanci a 130 ° C.

Hanyar 2: Ana sarrafa sodium chlorite da formic acid a 100 ° C da pH 3.5.

Mafi kyawun sakamako shine magani na farko da magani na biyu ya biyo baya. Kamar yadda zai yiwu a kan rini baƙar fata bayan jiyya.

2.6 Cire rini na cationic

Yanke rini na tarwatsawa akan polyester yawanci yana amfani da hanyoyi masu zuwa:

A cikin wanka mai dauke da 5 ml/lita monoethanolamine da 5 g/lita sodium chloride, yi magani a wurin tafasa na awa 1. Sa'an nan kuma tsaftace shi, sa'an nan kuma bleach a cikin wanka mai dauke da 5 ml/L sodium hypochlorite (150 g/L akwai chlorine), 5 g/L sodium nitrate (corrosion inhibitor), da daidaita pH zuwa 4 zuwa 4.5 tare da acidic acid. Minti 30. A ƙarshe, ana kula da masana'anta tare da sodium chloride sulfite (3 g / L) a 60 ° C na minti 15, ko 1-1.5 g / L na sodium hydroxide a 85 ° C na minti 20 zuwa 30. Kuma a karshe tsaftace shi.

Yin amfani da wanki (0.5 zuwa 1 g/L) da tafasasshen bayani na acetic acid don bi da rinayen masana'anta a pH 4 na sa'o'i 1-2 kuma na iya samun sakamako na peeling.
Misalin tsari:
Da fatan za a koma zuwa 5.1 acrylic sakan masana'anta launi sarrafa launi.

2.7 Cire rini na azo marasa narkewa

5 zuwa 10 ml/lita na 38°Bé caustic soda, 1 zuwa 2 ml/lita na rarrabuwar zafi, da 3 zuwa 5 g/lita na sodium hydroxide, da 0.5 zuwa 1 g/lita na anthraquinone foda. Idan akwai isassun sodium hydroxide da caustic soda, anthraquinone zai sa ruwan ya zama ja. Idan ya juya rawaya ko launin ruwan kasa, dole ne a ƙara soda caustic ko sodium hydroxide. Ya kamata a wanke masana'anta da aka cire sosai.

2.8 Bawon fenti

Fentin yana da wahalar kwasfa, gabaɗaya ana amfani da potassium permanganate don kwasfa.

Misalin tsari:

Rini mai lahani → mirgina potassium permanganate (18 g/l) → wanka da ruwa → mirgina oxalic acid (20 g/l, 40°C) → wanka da ruwa → bushewa.

Cire abubuwan gamawa da aka saba amfani da su

3.1 Cire wakili mai gyarawa

Ana iya cire wakili mai gyara Y tare da ƙaramin adadin soda ash kuma ƙara O; Ana iya cire wakili mai gyara polyamine cationic ta tafasa tare da acetic acid.

3.2 Cire man siliki da mai laushi

Gabaɗaya, ana iya cire masu laushi ta hanyar wankewa da kayan wanka, kuma a wasu lokuta ana amfani da ash soda da detergent; Dole ne a cire wasu masu laushi ta hanyar formic acid da surfactant. Hanyar cirewa da yanayin tsari suna ƙarƙashin gwajin samfuri.

Man siliki ya fi wuya a cire, amma tare da surfactant na musamman, a ƙarƙashin yanayin alkaline mai ƙarfi, ana iya amfani da tafasa don cire mafi yawan man siliki. Tabbas, waɗannan suna ƙarƙashin gwajin samfuri.

3.3 Cire wakili na gamawa

Gabaɗaya ana cire wakili na gama resin ta hanyar tururi acid da wankewa. Tsarin al'ada shine: maganin acid padding (haɗin hydrochloric acid na 1.6 g/l) → stacking (85 ℃ 10 minutes) → wanka ruwan zafi → wanke ruwan sanyi → bushewa bushewa. Tare da wannan tsari, za a iya cire guduro a kan masana'anta a kan ci gaba da lebur hanyar lebur da injin bleaching.

Ƙa'idar gyaran inuwa da fasaha

4.1 Ka'ida da fasaha na gyaran launi na launi
Lokacin da inuwa na masana'anta mai launi ba ta dace da bukatun ba, yana buƙatar gyara. Ka'idar gyaran shading shine ka'idar saura launi. Abin da ake kira ragowar launi, wato, launuka biyu suna da halayen ragi na juna. Ragowar nau'ikan launi sune: ja da kore, orange da shuɗi, da rawaya da shuɗi. Misali, idan hasken ja yayi nauyi sosai, zaku iya ƙara ƙaramin fenti koren don rage shi. Koyaya, saura launi ana amfani dashi kawai don daidaita hasken launi a cikin ƙaramin adadin. Idan adadin ya yi girma sosai, zai shafi zurfin launi da haske, kuma babban adadin shine game da lg/L.

Gabaɗaya magana, rinayen rini da aka rini sun fi wahalar gyarawa, kuma rinayen rinayen rini suna da sauƙin gyarawa; lokacin da aka gyara rini na sulfur, inuwar tana da wuyar sarrafawa, gabaɗaya ana amfani da rini don ƙarawa da rage launuka; Ana iya amfani da rini kai tsaye don gyare-gyaren ƙari, amma adadin ya kamata ya zama ƙasa da 1 g/L.

Hanyoyin da aka saba amfani da su na gyaran inuwa sun haɗa da wanke ruwa (wanda ya dace da rini da aka gama tare da inuwa masu duhu, ƙarin launuka masu iyo, da gyaran yadudduka tare da wankewar rashin gamsuwa da saurin sabulu), cire haske (koma zuwa tsarin cire rini, yanayi Yana da haske fiye da al'ada tsiri tsari), padding alkali tururi (m ga alkali-m dyes, mafi yawan abin da ake amfani da reactive dyes; kamar amsawa baƙar fata KNB launi-daidaita zane kamar blue haske, za ka iya mirgine daidai adadin caustic soda , Ƙarfafawa ta hanyar tururi da wankin lebur don cimma manufar haskaka haske mai launin shuɗi), wakili mai launin pad (wanda ya dace da ja haske na ƙãre yadudduka, musamman don ƙãre yadudduka rina da vat dyes, launi ne mafi lokacin da launi ne matsakaici ko haske. Mai tasiri. Don ɓataccen launi na al'ada, ana iya la'akari da sake yin bleaching, amma hydrogen peroxide bleaching ya kamata ya zama babbar hanyar da za ta guje wa canje-canjen launi maras muhimmanci.), fenti overcolor, da dai sauransu.
4.2 Misalin tsari na gyaran inuwa: hanyar da za ta rage yawan rini mai amsawa

4.2.1 A cikin tankin wanke lebur na farko na injin sabulu mai rahusa, ƙara 1 g/L lebur flat kuma ƙara O zuwa tafasa, sannan a aiwatar da wanka mai lebur, gabaɗaya 15% mara zurfi.

4.2.2 A cikin tankunan wanke lebur biyar na farko na injin rage sabulu, ƙara lg/L lebur da lebur O, 1mL/L glacial acetic acid, sannan a mamaye injin a zafin jiki don sanya hasken lemu kusan 10% haske.

4.2.3 Padding 0.6mL / L na bleaching ruwa a cikin tanki na jujjuya na injin ragewa, da akwatin tururi a dakin da zafin jiki, sassan farko guda biyu na tankin wanka ba sa zubar da ruwa, sassan biyu na ƙarshe ana wanke su da ruwan sanyi. , daki daya da ruwan zafi, sannan a shafa. Matsalolin ruwan bleaching ya bambanta, kuma zurfin bawon shima daban ne, kuma launin bawon bleaching ya ɗan suma.

4.2.4 Yi amfani da 10L na 27.5% hydrogen peroxide, 3L na hydrogen peroxide stabilizer, 2L na 36°Bé caustic soda, 1L of 209 detergent zuwa 500L na ruwa, tururi a cikin injin ragewa, sa'an nan kuma ƙara O zuwa tafasa, sabulu da kuma dafa abinci. 15%.

4.2.5 Yi amfani da soda baking 5-10g/L, tururi don cire launi, wanke da tafasa da sabulu, zai iya zama 10-20% haske, kuma launi zai zama bluish bayan cirewa.

4.2.6 Yi amfani da soda caustic 10g/L, cire tururi, wankewa da sabulu, zai iya zama 20% -30% haske, kuma hasken launi ya ɗan yi duhu.

4.2.7 Yi amfani da sodium perborate 20g/L tururi don tsiri launi, wanda zai iya zama haske da 10-15%.

4.2.8 Yi amfani da 27.5% hydrogen peroxide 1-5L a cikin jig rini na'ura, gudu 2 wucewa a 70 ℃, samfurin, da kuma sarrafa taro na hydrogen peroxide da adadin wucewa bisa ga zurfin launi. Misali, idan kore mai duhu ya wuce 2, zai iya zama mara zurfi kamar rabin zuwa rabi. Kusan 10%, inuwa ta canza kadan.

4.2.9 Saka 250mL na ruwan bleaching a cikin 250L na ruwa a cikin injin rini na jig, tafiya hanyoyi 2 a cikin dakin da zafin jiki, kuma ana iya cire shi a matsayin mai zurfi kamar 10-15%.

4.2.1O za a iya ƙara a cikin jig rini inji, ƙara O da soda ash peeling.

Misalan tsarin gyara lahani na rini

5.1 Misalai na acrylic masana'anta launi aiki

5.1.1 Furanni masu launin haske

5.1.1.1 Tsari Tsari:

Fabric, surfactant 1227, acetic acid → Minti 30 zuwa 100 ° C, adana zafi na minti 30 → 60°C ruwan zafi wanka → sannu a hankali yana dumama har zuwa 98°C, ajiye dumin minti 40 → sannu a hankali kwantar da shi zuwa 60°C don samar da zane.

5.1.1.2 Tsarin Tsagewa:

Surfactant 1227: 2%; 2.5% acetic acid; rabon wanka 1:10

5.1.1.3 Tsarin Rini:

Cationic dyes (an canza zuwa ainihin tsarin tsari) 2O%; 3% acetic acid; rabon wanka 1:20

5.1.2 Furanni masu launin duhu

5.1.2.1 Hanyar aiwatarwa:

Fabric, sodium hypochlorite, acetic acid → dumama har zuwa 100 ° C, minti 30 → sanyaya ruwa wanka → sodium bisulfite → 60 ° C, minti 20 → dumi ruwa wanka → ruwan sanyi wanka → 60 ° C, sanya a rini da acetic acid → sannu a hankali tadawa zuwa 100C, ci gaba da dumi na minti 4O → A hankali rage zafin jiki zuwa 60 ° C don zane.

5.1.2.2 Tsare-tsare dabara:

Sodium hypochlorite: 2O%; 10% acetic acid;

Rabon wanka 1:20

5.1.2.3 Tsarin Chlorine:

Sodium bisulfite 15%

Rabon wanka 1:20

5.1.2.4 Tsarin rini

dyes cationic (an canza zuwa tsarin tsari na asali) 120%

Acetic acid 3%

Rabon wanka 1:20

5.2 Misalin maganin rini na masana'anta na nylon

5.2.1 Furanni masu launi kaɗan

Lokacin da bambanci a zurfin launi shine 20% -30% na zurfin rini kanta, gabaɗaya 5% -10% na matakin da O za a iya amfani dashi, rabon wanka iri ɗaya ne da rini, kuma zafin jiki yana tsakanin 80 ℃ da 85 ℃. Lokacin da zurfin ya kai kusan kashi 20% na zurfin rini, sannu a hankali ƙara yawan zafin jiki zuwa 100 ° C kuma ci gaba da dumi har sai rini ya shafe ta da fiber gwargwadon yiwuwar.

5.2.2 Furen launi matsakaici

Don matsakaicin inuwa, ana iya amfani da hanyoyi masu rarrafe juzu'i don ƙara rini zuwa zurfin asali.

Na2CO3 5% -10%

Ƙara O 1O%-l5% a hankali

Rabon wanka 1:20-1:25

Zazzabi 98 ℃-100 ℃

Lokaci 90 min-120min

Bayan an rage launi, ana wanke masana'anta da ruwan zafi da farko, sannan a wanke da ruwan sanyi, sannan a yi rina.

5.2.3 Mummunan canza launi

Tsari:

36°BéNaOH: 1%-3%

Flat da O: 15% ~ 20%

Kayan wanka na roba: 5% - 8%

Rabon wanka 1:25-1:30

Zazzabi 98 ℃-100 ℃

Lokaci 20min-30min (har sai duk canza launin)
Bayan an cire duk launin, zafin jiki yana raguwa a hankali, sannan a wanke shi sosai tare da 0.5 ml na acetic acid a 30 ° C na minti 10 don kawar da ragowar alkali gaba ɗaya, sannan a kurkura da ruwa don sake rini. Kada a rina wasu launuka da launuka na farko bayan an cire su. Domin launin tushe na masana'anta ya zama rawaya mai haske bayan an cire shi. A wannan yanayin, ya kamata a canza launi. Misali: Bayan an cire launin rakumi gaba daya, launin bangon zai zama rawaya mai haske. Idan aka sake rina launin rakumi, inuwar za ta yi launin toka. Idan kuna amfani da Pura Red 10B, daidaita shi tare da ɗan ƙaramin rawaya mai haske kuma canza shi zuwa launin ƙwararru don kiyaye inuwar haske.

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5.3 Misalin maganin rini na masana'anta na polyester

5.3.1 Furanni masu launi kaɗan,

Zazzage wakili na gyaran fure ko wakili mai daidaita zafin jiki 1-2 g/L, sake zafi zuwa 135 ° C na minti 30. Ƙarin rini shine 10% -20% na asali na asali, kuma ƙimar pH shine 5, wanda zai iya kawar da launi na masana'anta, tabo, bambancin inuwa da zurfin launi, kuma tasirin ya kasance daidai da na masana'anta na yau da kullum. swatch.

5.3.2 Mummunan aibi

Sodium chlorite 2-5 g/L, acetic acid 2-3 g/L, methyl naphthalene 1-2 g/L;

Fara jiyya a 30 ° C, zafi a 2 ° C / min zuwa 100 ° C na minti 60, sannan a wanke zane da ruwa.

5.4 Misalai na maganin munanan lahani a cikin rini na masana'anta tare da rini mai amsawa

Tsari kwarara: tsiri → oxidation → counter-rini

5.4.1 Bawon launi

5.4.1.1 Takardun magani:

Inshora foda 5g /L-6 g /L

Ping Ping tare da O 2 g / L-4 g / L

38°Bé caustic soda 12ml/L-15ml/L

Zazzabi 60 ℃-70 ℃

Rabon wanka l: lo

Lokaci 30min

5.4.1.2 Hanyar aiki da matakai

Ƙara ruwa bisa ga rabon wanka, ƙara lebur O, caustic soda, sodium hydroxide, da masana'anta akan na'ura, kunna tururi kuma ƙara yawan zafin jiki zuwa 70 ° C, sannan a cire launi na minti 30. Bayan bawon, zubar da sauran ruwa, wanke sau biyu da ruwa mai tsabta, sannan kuma zubar da ruwan.

5.4.2 Oxidation

5.4.2.1 Tsarin sayan magani

3O%H2O2 3ml /L

38°Bé caustic soda l ml

Stabilizer 0.2ml/L

Zazzabi 95 ℃

Rabon wanka 1:10

Lokaci 60 min

5.4.2.2 Hanyar aiki da matakai

Ƙara ruwa bisa ga rabon wanka, ƙara stabilizers, caustic soda, hydrogen peroxide da sauran additives, kunna tururi kuma ƙara yawan zafin jiki zuwa 95 ° C, ajiye shi tsawon minti 60, sannan rage zafin jiki zuwa 75 ° C, zubar da ruwa. ruwa kuma ƙara ruwa, ƙara 0.2 soda, wanke tsawon minti 20, magudana ruwa; yi amfani da Wanke a cikin ruwan zafi a 80 ° C na minti 20; a wanke a cikin ruwan zafi a zafin jiki na 60 ° C na tsawon minti 20, sannan a wanke da ruwan zafi mai sanyi har sai zane ya yi sanyi sosai.

5.4.3 Magancewa

5.4.3.1 Tsarin sayan magani

Rini mai amsawa: 30% x% na ainihin amfani

Yuanming foda: 50% Y% na ainihin amfani da tsari

Soda ash: 50% z% na ainihin amfani da tsari

Rabon wanka l: lo

Zazzabi bisa ga ainihin tsari

5.4.3.2 Hanyar aiki da matakai
Bi hanyar rini na al'ada da matakai.

Taƙaitaccen gabatarwar tsarin cire launi na masana'anta da aka haɗa

Watsawa da rini na acid za a iya ɗan kwasfa daga masana'anta na diacetate / ulu da aka haɗa tare da 3 zuwa 5% alkylamine polyoxyethylene a 80 zuwa 85 ° C da pH 5 zuwa 6 na minti 30 zuwa 60. Wannan magani kuma zai iya cire ɗanɗano mai tarwatsewa daga ɓangaren acetate akan diacetate/nailan da haɗin gwanon fiber diacetate/polyacrylonitrile. Yanke ɓangarorin tarwatsa rini daga polyester/polyacrylonitrile ko polyester/ulu yana buƙatar tafasa tare da mai ɗaukar hoto har zuwa awanni 2. Ƙara 5 zuwa 10 grams / lita na wanki maras ionic da 1 zuwa 2 grams / lita na farin foda na iya yawanci inganta peeling na polyester / polyacrylonitrile fibers.

1 g / L anionic wanka; 3 g / L cationic rini retardant; da 4 g/L sodium sulfate magani a wurin tafasa da pH 10 na minti 45. Zai iya ɗan cire rinayen alkaline da acid akan masana'anta na nailan/alkaline mai rina polyester.

1% wanki ba na ionic; 2% cationic rini retardant; da 10% zuwa 15% maganin sodium sulfate a wurin tafasa da pH 5 na minti 90 zuwa 120. Ana amfani da shi sau da yawa don cire ulu / polyacrylonitrile fiber.

Yi amfani da 2 zuwa 5 grams / lita na caustic soda, da 2 zuwa 5 grams / lita na sodium hydroxide, rage tsaftacewa a 80 zuwa 85 ° C, ko matsakaici alkaline bayani na farin foda a 120 ° C, wanda za a iya samu daga polyester / cellulose Ana cire rinayen rinannun kai tsaye da masu amsawa da yawa daga gaurayawan.

Yi amfani da 3% zuwa 5% farin foda da abin wanke-wanke anionic don magance 4O-6O mintuna a 80 ℃ da pH4. Ana iya watsewa da rini na acid daga diacetate/polypropylene fiber, diacetate/ulun, diacetate/nailan, nailan/polyurethane, da zaren nailan rini na acid dyeable.

Yi amfani da 1-2 g/L sodium chlorite, tafasa don awa 1 a pH 3.5, don cire tarwatsawa, cationic, kai tsaye ko rini mai amsawa daga masana'anta na cellulose/polyacrylonitrile fiber blended. Lokacin cire triacetate / polyacrylonitrile, polyester / polyacrylonitrile, da polyester / cellulose da aka haɗa da yadudduka, ya kamata a ƙara mai ɗaukar kaya mai dacewa da kuma abin da ba na ionic ba.

Abubuwan la'akari da samarwa

7.1 Dole ne a gwada masana'anta kafin a goge ko gyara inuwa.
7.2 Dole ne a ƙarfafa wanke (ruwa ko ruwan zafi) bayan an cire masana'anta.
7.3 Ya kamata ya zama ɗan gajeren lokaci kuma ya kamata a maimaita idan ya cancanta.
7.4 Lokacin tsiri, yanayin zafin jiki da ƙari dole ne a sarrafa su sosai bisa ga kaddarorin rini da kanta, kamar juriya na iskar oxygen, juriya na alkali, da juriya na chlorine. Don hana wuce gona da iri na abubuwan da ake ƙarawa ko sarrafa zafin jiki mara kyau, yana haifar da kwasfa mai yawa ko kwasfa. Lokacin da ya cancanta, dole ne a ƙayyade tsarin ta hanyar stakeout.
7.5 Lokacin da aka cire masana'anta wani bangare, yanayi masu zuwa zasu faru:
7.5.1 Don maganin zurfin launi na launi, inuwa na launi ba zai canza da yawa ba, kawai zurfin launi zai canza. Idan an ƙware yanayin cire launi, zai iya cika cikakkun buƙatun samfurin launi;
7.5.2 Lokacin da masana'anta da aka rina tare da rini biyu ko fiye tare da aikin iri ɗaya an cire wani yanki, canjin inuwa kaɗan ne. Saboda an cire rini kawai zuwa mataki ɗaya, masana'anta da aka cire kawai za su bayyana Canje-canje a zurfi.
7.5.3 Don maganin yadudduka masu launi tare da launi daban-daban a cikin zurfin launi, yawanci ya zama dole don cire dyes kuma a sake yin rina.