Usoro ọgwụ: Na5P3O10
Ibu ibu: 367.86
Ngwongwo: White ntụ ntụ ma ọ bụ granules, mfe soluble na mmiri. Dị ka ngwa na nhazi chọrọ, anyị nwere ike inye ngwaahịa dị iche iche nkọwa dị ka dị iche iche pụtara njupụta (0.5-0.9g / cm3), dị iche iche solubilities (10g, 20g / 100ml mmiri), ozugbo sodium tripolyphosphate, nnukwu urughuru sodium tripolyphosphate, wdg.
Na-eji:
1.In ụlọ ọrụ nri, a na-ejikarị ya dị ka onye na-emeziwanye ihe maka nri mkpọ, ngwaahịa mmiri ara ehi, ihe ọṅụṅụ mkpụrụ osisi na mmiri ara ehi soy; onye na-ejigide mmiri na ihe nro maka ngwaahịa anụ dị ka ham na anụ nri ehihie; ọ nwere ike idowe mmiri, nro, gbasaa na ịcha ọcha na nhazi nke ngwaahịa mmiri; ọ nwere ike mee ka akpụkpọ anụ sara mbara dị nro na mkpọ sara mbara; Enwere ike iji ya dị ka ihe na-eme ka mmiri dị nro, onye na-ahụ maka chelating, PH regulator na thickener, yana na ụlọ ọrụ biya.
2. N'ime ụlọ ọrụ mmepụta ihe, a na-eji ya eme ihe n'ọtụtụ ebe dị ka onye inyeaka, ncha synergist na igbochi ncha ncha si crystallizing na blooming, ụlọ ọrụ mmiri softener, akpụkpọ anụ pretanning mmadụ, dyeing inyeaka, mmanụ ọma apịtị akara gị n'ụlọnga, mmanụ mmetọ mgbochi gị n'ụlọnga maka papermaking, irè dispersant maka ọgwụgwọ nke agba, magnesium kabonate, ka oxide wdg. na seramiiki degumming onye na-ebelata mmiri na ụlọ ọrụ seramiiki.
The omenala nkwadebe usoro nke sodium polyphosphate bụ neutralize na-ekpo ọkụ phosphoric acid na a uka nta nke 75% H3PO4 na soda ash nkwusioru iji nweta a neutralized slurry na a Na / P ratio nke 5: 3, na-ekpo ọkụ na 70 ℃ ~ 90 ℃; fesaa slurry enwetara n'ime ọkụ polymerization maka akpịrị ịkpọ nkụ na oke okpomọkụ, ma tinye ya na sodium tripolyphosphate na ihe dịka 400 ℃. Usoro ọdịnala a ọ bụghị naanị na-achọ oke phosphoric acid dị oke ọnụ, mana ọ na-erikwa oke ike ọkụ; na mgbakwunye, mgbe ị na-akwadebe slurry site na neutralization, ọ dị mkpa ikpo ọkụ ma wepụ CO2, usoro ahụ dịkwa mgbagwoju anya. Ọ bụ ezie na mmiri phosphoric acid dị ọcha nwere ike iji dochie acid phosphoric na-ekpo ọkụ iji mepụta sodium tripolyphosphate, n'ihi nnukwu ọdịnaya nke ígwè ígwè na mmiri phosphoric acid, ọ na-esiri ike izute àgwà dị mma nke ngwaahịa sodium tripolyphosphate dị ugbu a, ọ na-esikwa ike izute ihe ngosi ndị akọwapụtara na ụkpụrụ mba.
Ugbu a, ndị mmadụ na-amụ ụfọdụ ọhụrụ mmepụta usoro nke sodium tripolyphosphate, dị ka Chinese patent ngwa No. 94110486.9 "A usoro nke na-emepụta sodium tripolyphosphate", Nke 200310105368.6 "A ọhụrụ usoro nke na-emepụta sodium tripolyphosphate", Nke 200410040357 duphosphate usoro "A tripolyphosphate usoro nke sodium akọrọ-mkpụrụ akọrọ prophosphate usoro. usoro", No. 200510020871.0 "Usoro na-emepụta sodium tripolyphosphate site Glauber's salt double decomposition method", 200810197998.3 "Ụzọ maka ịmepụta sodium tripolyphosphate na site na-emepụta ammonium chloride", wdg; ọ bụ ezie na ngwọta teknụzụ ndị a nwere njirimara nke ha, ọtụtụ n'ime ha bụ ịgbanwe ihe eji eme ihe na neutralization.
Usoro maka imepụta sodium tripolyphosphate site na iji sodium pyrophosphate crude
Sodium pyrophosphate crude na-ebu ụzọ banye n'ebe a na-asa nnu iji wepụ ọtụtụ n'ime sodium chloride, wee banye na efere na free filter press for primary filtration. Achịcha nzacha nwere nnukwu ego nke sodium pyrophosphate, na mkpokọta sodium chloride na-erughị 2.5%. Mgbe ahụ, a na-ekpocha ihe ngwọta ahụ ruo 85 ° C na tankị mgbaze na uzuoku maka edemede na mgbaze. A na-agbakwunye sodium sulfide n'oge mgbasa iji wepụ ion ígwè. Ihe na-adịghị edozi ahụ bụ adịghị ọcha dị ka ọla kọpa hydroxide. A na-enyocha ya ọzọ maka oge nke abụọ. Ihe nzacha bụ sodium pyrophosphate ngwọta. A na-agbakwunye carbon a na-arụ ọrụ na nzacha iji wepụ pigmenti, phosphoric acid na-agbakwunye na acidify na ngwa ngwa mgbasa, na n'ikpeazụ a na-agbakwunye alkali mmiri mmiri iji dozie uru pH na 7.5-8.5 iji kwadebe mmiri mmiri a nụchara anụcha.
A na-eji akụkụ nke mmiri mmiri a nụchara anụcha ozugbo na mpaghara nkwadebe mmiri sodium tripolyphosphate neutralization, na akụkụ nke ọzọ nke mmiri mmiri a nụchara anụcha na-agbanye n'ime DTB crystallizer. A na-eme ka mmiri mmiri a nụchara anụcha dị na DTB crystallizer dị jụụ na onye na-ekpo ọkụ ọkụ site na mgbapụta na-amanye mgbasa ozi na mmiri 5 Celsius nke chiller zitere. Mgbe ọnọdụ okpomọkụ na-adaba na 15 Celsius C, a na-atụgharị ya na flocs wee bufee ya na tank dị elu ma tinye ya na centrifuge maka nkewa centrifugal iji nweta kristal sodium pyrophosphate. A na-agbakwunye kristal sodium pyrophosphate na ngalaba nkwadebe mmiri mmiri neutralization na usoro mmepụta sodium tripolyphosphate ma jikọta ya na phosphoric acid na mmiri mmiri caustic soda iji kwadebe mmiri mmiri neutralization dị ka ihe eji eme ihe maka mmepụta sodium tripolyphosphate. A na-eweghachi brine ahụ a kpọtụrụ aha n'elu ka ọ sachaa sodium pyrophosphate crude; mgbe ọdịnaya sodium chloride dị na brine ruru saturation, a na-agbanye brine n'ime tankị nchekwa, na brine dị na tankị nchekwa na-agbanye n'ime jaket sodium tripolyphosphate ọdụ gas duct iji gbanwee okpomọkụ na gas ọdụ dị elu. The brine mgbe okpomọkụ mgbanwe laghachi na nchekwa tank maka ịgba evaporation.
Kpọtụrụ:
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Oge nzipu: Nov-11-2024