Iyanrin seramiki Sintered fun ipilẹ ile pẹlu apoti mojuto tutu
Ọna apoti tutu n tọka si ilana dida iyanrin resini ti o jẹ catalyzed / lile nipasẹ fifun ni gaasi tabi aerosol, ti o ṣẹda lẹsẹkẹsẹ ni iwọn otutu yara.Ọna ti o wọpọ ni ọna triethylamine, eyiti o nlo resini phenolic-urethane ati pe o ni lile nipasẹ fifun gaasi triethylamine.Awọn abuda ti ilana yii ni: iyanrin mojuto le ṣee lo fun igba pipẹ, akoko iyaworan-mimu jẹ kukuru, ṣiṣe iṣelọpọ ga, ati agbara agbara jẹ kekere.
Simẹnti engine Diesel, gẹgẹbi awọn bulọọki silinda, awọn ori silinda, gbigbemi ati awọn paipu eefi, ati bẹbẹ lọ, diẹ ninu awọn ni awọn apẹrẹ mojuto eka ati awọn agbegbe apakan apakan kekere, eyiti o ni itara si awọn ibọn eke, awọn fifọ, ati bẹbẹ lọ, tabi awọn iṣọn han ninu simẹnti nitori awọn ti o tobi imugboroosi ti yanrin yanrin.Awọn iṣeeṣe ti awọn abawọn gẹgẹbi iyanrin alalepo ati awọn pores tun ga julọ.
Lilo iyanrin seramiki tabi dapọ iyanrin seramiki ati yanrin yanrin ni iwọn, iye resini ti a fikun dinku nipasẹ 20-30%, ati awọn abawọn ti o wa loke ti ni ilọsiwaju ni pataki.Ni akoko kanna, mojuto iyanrin ni o dara collapsibility, eyi ti o din awọn iṣẹ-ṣiṣe ti simẹnti ninu.Bi abajade, siwaju ati siwaju sii Diesel engine simẹnti foundries ti gba seramiki iyanrin tutu mojuto apoti ọna ẹrọ.
Ohun-ini Iyanrin seramiki
| Ohun elo Kemikali akọkọ | Al₂O₃≥53%, Fe₂O₃＜4%, TiO₂＜3%, SiO₂≤37% |
| Apẹrẹ Ọkà | Ti iyipo |
| Angular olùsọdipúpọ | ≤1.1 |
| Apakan Iwon | 45μm -2000μm |
| Refractoriness | ≥1800℃ |
| Olopobobo iwuwo | 1,5-1,6 g / cm3 |
| Imugboroosi Gbona (RT-1200℃) | 4.5-6.5x10-6/k |
| Àwọ̀ | Iyanrin |
| PH | 6.6-7.3 |
| Mineralogical Tiwqn | Mullite + Corundum |
| Iye owo acid | 1 milimita / 50g |
| LOI | 0.1% |
Ṣe afiwe pẹlu abajade idanwo iyanrin aise miiran ti ilana apoti tutu
| Yanrin aise | Resini Fikun. | 2h Agbara Agbara | Gaasi Itankalẹ |
| Iyanrin seramiki Sintered | 1.5% | 2.098 MPa | 10.34 milimita / g |
| Iyanrin scrubed | 1.5% | 1.105MPa | 13.4 milimita / g |
| Yanrin ti a yan | 1.5% | 1.088 MPa | 12.9 milimita / g |
| Sintered seramiki Iyanrin + Scrubbed Iyanrin | 1.5% | 1.815 MPa | 12.5 milimita / g |
| Sintered seramiki Iyanrin + ndin Iyanrin | 1.5% | 1.851 MPa | 12.35 milimita / g |
| Iyanrin Chromite + Iyanrin ti a fọ | 1.5% | 0.801 MPa | 10.85 milimita / g |
| Iyanrin Chromite + Yanrin ndin | 1.5% | 0,821 MPa | 10.74 milimita / g |
Ṣe afiwe pẹlu awọn abawọn Simẹnti oṣuwọn ti ilana apoti tutu
| Yanrin aise | Awọn iṣọn | Core Baje | Sinter | Ṣẹkun | Lapapọ |
| Iyanrin seramiki Sintered | 0% | 2% | 0% | 0 | 2% |
| Iyanrin scrubed | 28% | 12% | 4% | 3% | 47% |
| Yanrin ti a yan | 24% | 10% | 3% | 2% | 39% |
| Sintered seramiki Iyanrin + Scrubbed Iyanrin | 12% | 4% | 1% | 2% | 19% |
| Sintered seramiki Iyanrin + ndin Iyanrin | 7% | 3% | 2% | 2% | 14% |
| Iyanrin Chromite + Iyanrin ti a fọ | 13% | 6% | 5% | 4% | 28% |
| Iyanrin Chromite + Yanrin ndin | 12% | 4% | 2% | 2% | 20% |
Awọn ẹya ara ti patiku iwọn Distribution
Pipin iwọn patiku le jẹ adani gẹgẹbi ibeere rẹ.
| Apapo | 20 | 30 | 40 | 50 | 70 | 100 | 140 | 200 | 270 | Pan | AFS | |
| μm | 850 | 600 | 425 | 300 | 212 | 150 | 106 | 75 | 53 | Pan | ||
| Koodu | 40/70 | ≤5 | 20-30 | 40-50 | 15-25 | ≤8 | ≤1 | 43±3 | ||||
| 70/40 | ≤5 | 15-25 | 40-50 | 20-30 | ≤10 | ≤2 | 46±3 | |||||
| 50/100 | ≤5 | 25-35 | 35-50 | 15-25 | ≤6 | ≤1 | 50±3 | |||||
| 100/50 | ≤5 | 15-25 | 35-50 | 25-35 | ≤10 | ≤1 | 55±3 | |||||
| 70/140 | ≤5 | 25-35 | 35-50 | 8-15 | ≤5 | ≤1 | 65±4 | |||||
| 140/70 | ≤5 | 15-35 | 35-50 | 20-25 | ≤8 | ≤2 | 70±5 | |||||
| 100/200 | ≤10 | 20-35 | 35-50 | 15-20 | ≤10 | ≤2 | 110±5 | |||||
