Mmalite ngwaahịa PID ọhụrụ (ihe mmetụta nke mepụtara onwe ya)
GQ-AEC2232bX-P
Kedu ihe bụ VOC gas?
VOC bụ mbiri maka ogige organic na-agbanwe agbanwe. N'echiche nkịtị, VOC na-ezo aka n'iwu nke ogige organic na-agbanwe agbanwe; Otú ọ dị, n'ihe banyere nchebe gburugburu ebe obibi, ọ na-ezo aka na otu klas nke ogige organic na-agbanwe agbanwe nke na-arụ ọrụ ma na-emerụ ahụ. Ihe ndị bụ isi nke VOC gụnyere hydrocarbons, hydrocarbons halogenated, oxygen hydrocarbons, na nitrogen hydrocarbons, gụnyere ogige benzene, organic chlorides, usoro fluorine, ketones organic, amines, alcohols, ethers, esters, acids, na petroleum hydrocarbons. Na otu klas nke ogige ndị na-eyi egwu ahụike mmadụ.
Kedu ihe ize ndụ nke VOC gas?
Kedu usoro nchọpụta maka ikuku VOC?
Kedu ihe bụ ụkpụrụ nke nchọpụta PID?
Nchọpụta fotoionization (PID) na-eji radieshon ultraviolet na-emepụta site na ionization nke gas inert site na ọkụ eletrik dị elu na-adị elu iji ionize ụmụ irighiri gas na-anwale. Site n'ịtụle ike dị ugbu a nke gas ionized na-emepụta, a na-enweta ntinye nke gas n'okpuru ule. Mgbe achọpụtara ya, ions na-agbakọta n'ime gas na vapor mbụ, na-eme PID ka ọ bụrụ ihe nchọpụta na-adịghị emebi emebi.
Ihe mmetụta PID mepụtara onwe ya
Igwe ọkụ eletrik nwere ọgụgụ isi excitation
Ogologo ndụ
Iji nkwụghachi ụgwọ ọgụgụ isi na-akpali ọkụ eletrik, na-agbatị ndụ nke sensọ (ndụ> afọ 3)
Teknụzụ akara kacha ọhụrụ
Elu ntụkwasị obi
Window mkpuchi ahụ na-anabata ihe magnesium fluoride jikọtara ya na usoro akara ọhụrụ, na-ezere ntanye gas na-adịghị ahụkebe yana hụ na ndụ ihe mmetụta.
Mgbanaka mgbanaka ikuku windo
Nnukwu uche na ezi izi ezi
Enwere mgbanaka na-anakọta gas na windo oriọna UV, nke na-eme ka ionization gas dịkwuo mma na nchọpụta nke ọma na nke ziri ezi.
Teflon ihe onwunwe
Nguzogide corrosion na nkwụsi ike siri ike
Akụkụ ndị a na-enwu site na oriọna ultraviolet bụ ihe Teflon, nke nwere ikike mgbochi corrosion siri ike ma nwee ike belata oxidation site na ultraviolet na ozone.
Ọdịdị ụlọ ọhụrụ
Ncha onwe na mmezi n'efu
New ụdị ụlọ Ọdịdị imewe na kwukwara eruba ọwa imewe n'ime ihe mmetụta, nke nwere ike ozugbo ịfụ ma hichaa ihe mmetụta, n'ụzọ dị irè mbenata unyi na oriọna tube na nweta mmezi free ihe mmetụta.
Ihe nchọpụta mgbapụta mgbapụta e mere kpọmkwem maka ihe mmetụta PID ọhụrụ na-enye ohere ihe mmetụta iji nweta oke arụmọrụ, na-enye nsonaazụ nchọpụta ka mma na ahụmịhe onye ọrụ ka mma.
Ọkwa mgbochi corrosion ruru WF2 ma nwee ike ime mgbanwe n'ụdị iru mmiri dị elu yana gburugburu ebe ịgba nnu dị elu (ịgbasa ihe na-egbochi corrosion fluorocarbon na shei)
Uru 1: Enweghị mkpuchi ụgha na oke okpomọkụ na gburugburu iru mmiri
Nnwale ahụ gosipụtara nnwale atụnyere n'etiti ihe nchọpụta PID ọdịnala na ihe nchọpụta PID abụọ ihe mmetụta na gburugburu iru mmiri dị elu nke 55 Celsius C. Enwere ike ịhụ na ihe nchọpụta PID ọdịnala nwere mgbanwe ntinye uche dị ukwuu na gburugburu ebe a ma na-enwekarị mkpu ụgha. Na ihe nchọpụta PID nwere ikike nke Anxin anaghị agbanwe agbanwe ma kwụsie ike.
Uru 2: Ogologo ndụ na mmezi n'efu
Ihe mmetụta PID ọhụrụ
nlekota oru
Multi-stage filtration
Chọpụta ihe mmetụta PID nwere ndụ ihe karịrị afọ 3 yana nrụzi n'efu n'oge ndụ ya
Ọganihu dị ịrịba ama tụnyere ndụ nke sensọ catalytic
Uru 3: Nhazi modular, nrụnye na nrụzi dị mma
Modul sensọ PID, enwere ike imeghe ngwa ngwa ma kesaa ya maka mmezi
Mgbapụta modular, ngwa ngwa nkwụnye na dochie
Modul nke ọ bụla enwetala imewe modular, na akụkụ niile adịghị ike na nke nwere ike iji dochie ngwa ngwa na nke dabara adaba.
Nnwale atụnyere, atụnyere elu na ala
Tụnyere ụdị ihe mmetụta PID ebubata na-anaghị agwọta
Nnwale atụnyere na ụfọdụ ụdị ihe nchọpụta dị n'ahịa
Nka nka
| Ụkpụrụ nchọpụta | Ihe mmetụta PID mejupụtara | Usoro nnyefe mgbaàmà | 4-20mA |
| Usoro nlele | Ụdị mmịpụta mgbapụta (arụnyere n'ime ya) | Izi ezi | ± 5% LEL |
| Voltaji na-arụ ọrụ | DC24V±6V | Nkwagharị ugboro ugboro | ± 3% |
| Oriri | 5W (DC24V) | Ogologo nnyefe mgbaàmà | ≤1500M (2.5mm2) |
| Oke nrụgide | 86kPa 106kPa | Okpomọkụ arụ ọrụ | -40-55 ℃ |
| Akara mgbawa | ExdⅡCT6 | Oke iru mmiri | ≤95%, enweghị condensation |
| Shell ihe | Nkedo aluminum (fluorocarbon agba mgbochi corrosion) | Ọkwa nchekwa | IP66 |
| Eletriki interface | NPT3/4 | eriri ọkpọkọ (n'ime) | ||
Banyere ajụjụ ndị nwere ihe nchọpụta PID?
Azịza: Ngwaahịa ewepụtara oge a na-anọchi anya ihe mmetụta PID ọhụrụ nke ụlọ ọrụ anyị mepụtara, nke gbanwere usoro ụlọ ikuku (usoro ọwa na-asọpụta) yana ọnọdụ ọkọnọ ike. Nhazi ọwa mmiri pụrụ iche nwere ike ibelata mmetọ ọkụ wee nweta ihichapụ tubes oriọna efu site na nzacha ọtụtụ ọkwa. N'ihi ụdị ọkụ eletrik arụnyere n'ime oge nke ihe mmetụta, ọrụ nkwụsịtụ na-adị nro ma nwee ọgụgụ isi karị, na nchọpụta jikọtara ya na ihe mmetụta abụọ na-enweta ndụ nke ihe karịrị afọ 3.
Azịza: Ọrụ ndị bụ isi nke igbe mmiri ozuzo bụ igbochi mmiri ozuzo na uzuoku ụlọ ọrụ ka ọ ghara imetụta onye nchọpụta ozugbo. 2. Gbochie mmetụta nke oke okpomọkụ na gburugburu iru mmiri na ihe nchọpụta PID. 3. Gbochie ụfọdụ uzuzu n'ikuku ma gbuo oge ndụ nke nzacha. Dabere na ihe ndị a dị n'elu, anyị akwadebela igbe mmiri ozuzo dị ka ọkọlọtọ. N'ezie, ịgbakwunye igbe mmiri ozuzo agaghị enwe mmetụta dị ukwuu na oge nzaghachi gas.
Azịza: Ọ ga-kwuru na 3-afọ mmezi free pụtara na ihe mmetụta na-adịghị mkpa ka nọgidere na-enwe, na nzacha ka kwesịrị ịnọgide na-enwe. Anyị na-atụ aro na oge nrụzi maka nzacha na-abụkarị ọnwa 6-12 (mkpụkpụ ka ọnwa 3 na mpaghara gburugburu ebe obibi siri ike)
Azịza: Na-enweghị iji ihe mmetụta abụọ maka nchọpụta nkwonkwo, ihe mmetụta ọhụrụ anyị nwere ike nweta ndụ nke afọ 2, ekele maka ihe mmetụta PID ọhụrụ anyị mepụtara (teknụzụ nwere ikike, a pụrụ ịhụ ụkpụrụ izugbe na ngalaba nke abụọ). Ụdị ọrụ nke semiconductor + PID nchọpụta nkwonkwo nwere ike nweta ndụ nke afọ 3 n'enweghị nsogbu ọ bụla.
Azịza: a. Isobutene nwere ike ionization dị ntakịrị, yana Io nke 9.24V. Enwere ike ime ya site na oriọna UV na 9.8eV, 10.6eV, ma ọ bụ 11.7eV. b. Isobutene bụ obere nsi na gas na ụlọ okpomọkụ. Dị ka gas calibration, ọ na-ebute obere nsogbu na ahụike mmadụ. c. Ọnụ ala dị ala, dị mfe ịnweta
Azịza: Ọ gaghị emebi emebi, mana nnukwu ikuku VOC nwere ike ime ka VOC gas na-arapara na windo na electrode maka oge dị mkpirikpi, na-eme ka ihe mmetụta adịghị anabata ma ọ bụ belata mmetụta uche. Ọ dị mkpa ozugbo hichaa oriọna UV na electrode na methanol. Ọ bụrụ na enwere ogologo oge ọnụnọ VOC gas karịrị 1000PPM na saịtị, iji ihe mmetụta PID adịghị ọnụ ahịa yana ekwesịrị iji sensọ infrared na-agbasaghị.
Azịza: Mkpebi izugbe nke PID nwere ike nweta bụ 0.1ppm isobutene, na ihe mmetụta PID kacha mma nwere ike nweta 10ppb isobutene.
Ike nke ultraviolet ìhè. Ọ bụrụ na ọkụ ultraviolet siri ike, a ga-enwekwu ụmụ irighiri gas nke nwere ike ime ka ionized, na mkpebi ahụ ga-aka mma.
Ebe na-egbuke egbuke nke oriọna ultraviolet na elu elu nke electrode na-anakọta. Ebe buru ibu na-egbuke egbuke na nnukwu mkpokọta electrode na-eme ka ọ pụta ìhè dị elu.
Ihe nkwụghachi ugbu a nke preamplifier. Ka obere mbelata nke ugbu a nke preamplifier, na-esiwanye ike ịchọpụta ugbu a. Ọ bụrụ na nhụsianya nke ugbu a nke amplifier na-arụ ọrụ buru ibu, mgbaàmà na-adịghị ike ugbu a na-abaghị uru ga-adaba kpamkpam na nkwụsị nke ugbu a, a pụghịkwa nweta ezigbo mkpebi n'ụzọ nkịtị.
Ịdị ọcha nke bọọdụ sekit. A na-ere sekit analog na bọọdụ sekit, ma ọ bụrụ na enwere mpụta dị ịrịba ama na bọọdụ sekit, a pụghị ịmata oke mmiri na-adịghị ike.
Ogo nke nguzogide n'etiti ugbu a na voltaji. Ihe mmetụta PID bụ isi iyi dị ugbu a, na nke ugbu a nwere ike ịbawanye ma tụọ dị ka voltaji site na resistor. Ọ bụrụ na nguzogide ahụ dị ntakịrị, obere mgbanwe voltaji enweghị ike ime n'onwe ya.
Mkpebi nke analọg-na-dijitalụ ntụgharị ADC. N'ịdị elu nke mkpebi ADC, obere mgbaàmà eletrik nwere ike idozi, ma ka mma mkpebi PID.
