Viscosity Testing wɔ Nsuo a Wɔde Yɛ Adwuma mu: Flocculant Optimization ne Sludge Dewatering wɔ Tropical Climates mu

Atwerɛ

Ɔberɛfɛw da 10, afe 2021

Wɔ mmeae a wɔyɛ nsu ho adwuma no, nnuru dodow a wɔde ma — titiriw flocculants ne coagulants — ka effluent quality ne adwumayɛ ho ka tẽẽ. Flocculant (te sɛ polyacrylamide PAM) viscosity ne ne molecule mu duru ne ne dodow wɔ abusuabɔ kɛse, na ɛno nso na ɛkyerɛ flocculation no yiye.

Nea Enti a Ɛhia sɛ Wɔyɛ Nsuo a Wɔde Yɛ Nsuo Ho Nhwehwɛmu

Wɔ mmeae a wɔyɛ nsu ho adwuma no, nnuru dodow a wɔde ma — titiriw flocculants ne coagulants — ka effluent quality ne adwumayɛ ho ka tẽẽ. Flocculant (te sɛ polyacrylamide PAM) viscosity ne ne molecule mu duru ne ne dodow wɔ abusuabɔ kɛse, na ɛno nso na ɛkyerɛ flocculation no yiye. Dose a wɔmfa nni dwuma yiye no ma flocculation a ɛnnɔɔso na effluent turbidity boro gyinapɛn ahorow so; nnuru a wɔde ma boro so no sɛe nnuru na ebetumi ama nsu a ɛyɛ fĩ no ayɛ kɛse, na ama ntama a wɔde yiyi mu no asiw.

Wɔ Asia Kesee Fam Apuei ne Afrika no, mmeae a wɔyɛ nsu ho adwuma no hyia nsɛnnennen a emu yɛ den titiriw. Mpɛn pii no, nsu a efi mu ba wɔ saa mmeae yi no kura nneɛma a nkwa wom ne nneɛma a ɛyɛ den a ɛsensɛn hɔ (te sɛ humic nneɛma a ɛwɔ kwae a osu tɔ na owia bɔ kɛse wom, kuayɛ mu nsu a ɛsen fa nkurow akɛse ho atwa ho ahyia), a ɛhwehwɛ sɛ nsu a ɛyɛ fĩ pii sen mmeae a ɛhɔ yɛ hyew no. Bere koro no ara mu no, nsu adwumayɛbea ahorow a ɛwɔ saa mmeae yi普遍面临tight adwumayɛ sikasɛm nhyehyɛe ne mfiridwuma akuw a wonni adwumayɛfo pii, de premium to dosing precision so.

Viscosity sɔhwɛ ne ɔkwan titiriw a wɔfa so ma flocculant dodow yɛ papa. Ɛdenam flocculant solutions no viscosity a wɔsusu wɔ dodoɔ ahodoɔ mu so no, wɔbɛtumi de ‘viscosity-dosage-effluent turbidity’ correlation model asi hɔ de ahunu dosing point a ɛyɛ papa. Wɔ Asia Kesee Fam Apuei ne Afrika nsuo adwumayɛbea ahodoɔ mu no, saa nhwɛsoɔ yi bɛtumi aboa ama nnuru a wɔsɛe no so ate 10%-30% — ɛka kɛseɛ a wɔkora so ma afifideɛ a sikasɛm nsɛe.

Flocculant Viscosity Testing: Nsɛnnennen a efi Lab kosi Field

Flocculant solution viscosity sɔhwɛ wɔ n’ankasa soronko. Nea edi kan no, flocculants (titiriw PAM a emu duru yɛ kɛse) no mu nsu a ɛyɛ den no ne shear rate wɔ abusuabɔ kɛse — shear a ɛkorɔn no trɛw polymer nkɔnsɔnkɔnsɔn no mu kɔ akyiri, na ɛtew viscosity a ɛda adi no so. Eyi kyerɛ sɛ ɛsɛ sɛ wɔhwɛ ahoɔhare a spindle dannan ne sɔhwɛ hyew so yiye.

NDJ-1F dijitaal rotational viscometer no boa stepless ahoɔhare nsakrae fi 0.1-100 rpm, a Nos. 1-4 gyinapɛn spindles, ma wotumi kyere koraa rheological suban flocculant ano aduru wɔ shear rates nyinaa. Wɔ nsuo adwumayɛbea QC nhwehwɛmubea ahodoɔ fam no, saa tumi yi yɛ adeɛ titire a wɔde paw.

Mpɛn pii no, afuw mu sɔhwɛ tebea horow a ɛwɔ Asia Kesee Fam Apuei ne Afrika mmeae a wɔyɛ nsu ho adwuma no yɛ nea ɛyɛ mfitiasede. Afifide pii nni mframa a wɔde yɛ adwuma, na aduruyɛdan mu hyew betumi aboro 35°C. Ɔhyew a ɛkɔ soro no brɛ flocculant solution viscosity ase, na ɛka sɔhwɛ no pɛpɛɛpɛ. FangService's NDJ-1 series no wɔ ɔhyew nhwehwɛmu ne automatic temperature compensation, kyerɛw sample temperature bere a wɔreyɛ sɔhwɛ na ɛteɛ viscosity akenkan, hwɛ hu sɛ data a wotumi de ho to so mpo wɔ ɔhyew a ɛkorɔn mmeae.

Bio nso, mfiri a wɔde yɛ nsu ho adwuma wɔ Asia Kesee Fam Apuei ne Afrika taa hyia anyinam ahoɔden a ɛtɔ. NDJ-1 series no low-power design kyerɛ sɛ ɛbɛtumi awie mprempren sɔhwɛ no denam backup power so wɔ outage akyi, a data biara nhwere — ade a ɛho hia titiriw wɔ mpɔtam a ɛtaa twa out (Nigeria, Pakistan, Cambodia).

Viscosity Ho Nsusuwii wɔ Sludge Dewatering mu

Nsu a wɔde yi nsu a ɛyɛ fĩ no yɛ ade foforo a ɛho hia wɔ mmeae a wɔyɛ nsu ho adwuma. Rheological su a ɛwɔ sludge mu — ne viscosity ne yield stress — ka dewatering mfiri a wɔpaw ne adwumayɛ parameters tẽẽ. Ɛyɛ den sɛ wɔbɛbɔ nsu a ɛyɛ fĩ a ɛyɛ den dodo; nsu a ɛyɛ fĩ a ɛyɛ tratraa dodo no ntumi yi nsu fi mu yiye.

Wɔ Asia Kesee Fam Apuei ne Afrika no, nsu fĩ a wɔde gu mu no taa wɔ nneɛma a nkwa wom pii ne nsu pii (98%-99%), na ɛma ɛyɛ den sɛ wobeyi nsu afi mu. Sɛ wode flocculants ka ho de sesa rheological su a ɛwɔ sludge mu a, ebetumi ama belt filter press ne centrifuges a wɔde yi nsuo no atu mpɔn kɛseɛ. Viscosity sɔhwɛ a wɔyɛ wɔ ha no di dwuma de kyerɛ flocculant type ne dosage paw kwan, na ɛhwɛ nsakrae a ɛba sludge rheological su mu ansa na wɔayi nsuo afi mu ne akyi.

FangService DVPlus + LV touchscreen viscometer no wɔ spindles a ɛnyɛ den pii (ma 0.1-1000 mPa·s range), a ɛfata titiriw ma viscosity sɔhwɛ a ɛfa supernatant ne thin sludge ho. Ne touchscreen interface no boa akwan a wɔfa so sɔ hwɛ a wɔahyɛ da ayɛ, na ɛma nsuo adwumayɛbea mfiridwumayɛfoɔ tumi hyehyɛ ‘sludge viscosity-dewatering efficiency’ sɔhwɛ adwumayɛ akwan a wɔtaa de di dwuma no ma ɛyɛ adwuma a wɔde ka pɛnkoro, na ɛma adwumayɛ tu mpɔn kɛseɛ.

Viscometer Selection Strategy a Wɔde Yɛ Nsuo a Ɛwɔ Ɔhyew Mu Afifide

Sɛ wɔrepaw viscometers a wɔde bɛyɛ mmeae a wɔde nsu gu mu wɔ Asia Kesee Fam Apuei ne Afrika a, ɛsɛ sɛ wɔkari pɛ wɔ adwumayɛ, ahotoso, ne ɛka a wɔbɔ no ntam.

Entry-level nyansahyɛ: NDJ-1 dijitaal rotational viscometer. Ɛwɔ nhyehyɛe a ɛyɛ den, adwumayɛ a ɛnyɛ den, na ne bo yɛ den (bɛyɛ RMB 8,000-12,000), a ɛfata ma da biara da flocculant viscosity sɔhwɛ wɔ nsuo adwumayɛbea QC labs. Ne dade nipadua ne sɛnea wɔayɛ no a wɔatoto mu no ko tia mframa a ɛyɛ nwini na ɛporɔw a abu so wɔ mmeae a wɔyɛ nsu ho adwuma no.

Mfinimfini kwan so nyansahyɛ: NDJ-1E + dijitaal rotational viscometer. Ɔde touchscreen display, data storage, ne USB export ka ho wɔ entry-level model no so, ɛboa ɔkwan a wɔfa so sie ne audit trails, a ɛfata ma nsuo afifideɛ a ɛhia QC kyerɛwtohɔ a ɛdi mũ.

Premium nyansahyɛ: DVPlus + series touchscreen viscometer. Ɛwɔ touchscreen a ne kɛse yɛ nsateakwaa 7, automatic multi-spindle recognition, ne temperature-controlled testing, a ɛfata ma nsuo a wɔde yɛ adwuma a ɛkɔ akyiri a ɛhia sɛ wɔsɔ flocculants, sludge, ne effluent quality hwɛ bere koro mu. Ne data sohwɛ nhyehyɛe no boa ma wɔde ka bom ne aduruyɛdan mu nsɛm ho nhyehyɛe nhyehyɛe (LIMS), di mmara mu ahwehwɛde ahorow a ɛreyɛ den kɛse no ho dwuma.

Nyansahyɛ titiriw: Wɔ mmeae a anyinam ahoɔden taa twa no, hyehyɛ UPS (bɛyɛ simma 30 a wɔde bɛyɛ adwuma) ne batere a ɛho nhia bio. FangService NDJ-1 series no de spare batteries ka ho sɛ standard, ɛma kwan ma mprempren sɔhwɛ no wie na wɔkora data so bere a anyinam ahoɔden asɛe akyi.

Afotuo a mfasoɔ wɔ so: Viscosity Testing Tumi a Wɔbɛkyekyere wɔ SEA ne Afrika Nsuo Mfiridwuma mu

Sɛ yɛresi tumi a wɔde sɔ nsuo a ɛyɛ den hwɛ wɔ Asia Kesee Fam Apueeɛ ne Afrika nsuo ho adwumayɛbea ahodoɔ mu a, yɛkamfo ‘anammɔn nketewa, iteration ntɛmntɛm’ kwan.

Anamɔn 1: Kɔtɔ NDJ-1 dijitaal rotational viscometer biako a ɛwɔ nneɛma a ɛho hia (daa-ɔhyew aguaree, gyinapɛn spindles, calibration nsu), ne nyinaa bo bɛyɛ RMB 15,000-20,000. Fa nnafua 2-3 mfitiaseɛ adwumayɛ nteteeɛ ma mfiridwuma adwumayɛfoɔ.

Anamɔn 2: Boaboa nkitahodi data ano wɔ flocculant viscosity ne effluent turbidity ntam wɔ da biara da adwumayɛ mu, de localized ‘optimal dosing viscosity range’ si hɔ. Saa data yi som bo wɔ ɔkwan a mfaso wɔ so sen generic reference values ​​a efi wɔn a wɔde nneɛma ma no hɔ.

Anamɔn 3: Fa nnwinnade no yɛ foforo a egyina ahiade ankasa so. Sɛ nnwinnadeɛ a ɛwɔ hɔ dada no ntumi nni sɔhwɛ ahiadeɛ ho dwuma wɔ nhwɛsoɔ binom ho (te sɛ nsuo a ɛyɛ nwini kɛseɛ anaa nhwɛsoɔ a ɛwɔ nsuo a ɛyɛ den paa) a, susuw ho sɛ wobɛma ayɛ foforɔ akɔ DVPlus + ntoatoasoɔ no so anaasɛ wode nneɛma titire bɛka ho.

FangService de mfiridwuma ho mmoa a ɛwɔ mpɔtam hɔ ne spare parts a wɔde ma Asia Kesee Fam Apuei ne Afrika nsuo ho adwumayɛbea ahorow ma. Yɛwɔ ɔsom mmeae wɔ Bangkok, Jakarta, Nairobi, ne Lagos, a wɔde mmuae ntɛmntɛm ne ntetee a wɔde ma wɔ beae hɔ ma. Bio nso, yɛde ‘Flocculant Viscosity Testing Standard Operating Procedure (SOP)’ nsusuwso a wɔayɛ ama nsuo a wɔde yɛ adwuma no ma, a ɛboa Borɔfo, Franse, Swahili, ne Indonesia kasa, na ɛboa nnwuma ma wɔde sɔhwɛ nhyehyɛeɛ a ɛne mmara hyia sisi hɔ ntɛmntɛm. View the Viscosity Measurement Instruments Collection