Laboratory mechanical flotation machine · 2 models
Select a model to jump to its component table; former and renamed designations are listed under “Historical names / renamings”.
| Model | Historical names / renamings | Period | Components |
|---|---|---|---|
| Denver D12 / D-12 laboratory flotation machine | D-12 Laboratory Sub-A; D12 Flotation Machine (VFD); 250 / 500 / 1000 / 2000g | 28 | |
| Denver Sub-A flotation machine | Sub-A No.18 Special Supercharged; Sub-A No.15 Standard; Denver Sub-A No.15 | 1945 | 7 |
The numbers on the diagram correspond one to one with the rows below.
| No. | Component | Location | Applies to |
|---|---|---|---|
| 1 | Flotation cell | Unit flotation cell | Sub-A Unit (specification not specified) |
| 1 | Cast-iron base | Lower cast-iron base | D12 |
| 2 | Drive support | Drive support above flotation cell | Sub-A Unit (specification not specified) |
| 2 | Column and arm | Left assembly support | D12 |
| 3 | Main shaft | Central drive shaft | D12 |
| Component |
|---|
| Rotor / Impeller — Flotation machine impeller |
| Stator / Disperser — Diffuser wear plate |
| Handwheel weir gate control mechanism |
| Impeller/diffuser repair kit (aftermarket) |
| Bearing repair kit (aftermarket) |
| Shaft maintenance kit (aftermarket) |
| Pipe fitting repair kit (aftermarket) |
| Mounted main shaft bearing |
| Inflatable riser and valve |
| Removable diffuser |
| Rotor / Impeller — Concave disc impeller |
| Transmission guard and variable speed V-belt mechanism |
| Rubber bottom pad |
| Single-phase enclosed motor |
| Test tank (quality specification aggregation) |
| main shaft upper and lower bearing caps and spacer rings |
| Tachometer (optional) and flexible connection |
| Switch box, switch and plug cable |
| Recirculation ring connecting rubber band |
| White enamel washing inspection board and small hand magnet |
| Emergency stop switch (VFD version) |
| Motor mounting plate |
| Hood / Rotor Cover — Impeller cover |
| main shaft oil seal |
| Lifting eyes and hexagonal nuts |
| Transmission guard pillar |
| Acrylic recirculation ring Fluidizer |
| Spring balance lifting mechanism, hand crank and lock pin |
| Mixing modification kit (optional) |
| Scrubbing modification kit (optional) |
| VFD frequency converter (VFD version) |
| Lifting rack support and locking knob |
Models with the same components are grouped together; select a group to open its component table.
| No. | Component | Location | Part / drawing no. |
|---|---|---|---|
| 1 | cast iron base | DescriptionPDF3 | 500318 / C-1873 |
| 2 | Pillars and arms | DescriptionPDF3 | 500247 / A-9022 / 532998 / F-4608 |
| 3 | Main shaft | DescriptionPDF3 | 500393 / A-9023 |
| Mounted main shaft bearing | DescriptionPDF3/8 | 524615 / AS24615 / 524663 / AS24663 | |
| Inflatable riser and valve | DescriptionPDF3 | 500350 / B-7330 / 522642 / AS29642 | |
| Removable diffuser | DescriptionPDF3 | 500333 / B-17658 / 500390 / B-17649 | |
| Rotor / Impeller — Concave disc impeller | DescriptionPDF3 | 200540 / B-18945 / 200563 / B-18944 | |
| Transmission guard and variable speed V-belt mechanism | DescriptionPDF3/4 | 532993 / 520359 / 519802 / 519823 | |
| Rubber bottom pad | DescriptionPDF3 | 500372 | |
| Single-phase enclosed motor | DescriptionPDF3 | 519380 | |
| Test tank (quality specification aggregation) | DescriptionPDF3 | 500378 / F-4149 / 500380 / F-4150 | |
| main shaft upper and lower bearing caps and spacer rings | Maintain PDF8 | 532995 | |
| Tachometer (optional) and flexible connection | Description PDF3, maintenance PDF8 | 500363 / B-23015 | |
| Switch box, switch and plug cable | DescriptionPDF3 | ||
| Recirculation ring connecting rubber band | Maintain PDF7 | 100336 | |
| White enamel washing inspection board and small hand magnet | DescriptionPDF3 | 507394 / A-64499 / 507396 / A-93764 | |
| Emergency stop switch (VFD version) | Drive control side | ||
| Motor mounting plate | The connection between the motor and the arm | 532994 / B-55102 | |
| Hood / Rotor Cover — Impeller cover | The periphery of the impeller at the lower end of the riser | 500333 / B-17658 / 500390 / B-17649 | |
| main shaft oil seal | main shaft bearing | 520927 / AS20857 | |
| Lifting eyes and hexagonal nuts | Top of transmission guard | ||
| Transmission guard pillar | Belt cover fixing part | 500352 | |
| Acrylic recirculation ring Fluidizer | DescriptionPDF3/4 | 500388 / A-13905 / 500327 / A-10925 | |
| Spring balance lifting mechanism, hand crank and lock pin | DescriptionPDF3/7 | 500360 / 500362 / B-16424 | |
| Mixing modification kit (optional) | Lower bearing cover, single stirring paddle, glass tank | 500364 / C-24500 | |
| Scrubbing modification kit (optional) | Lower bearing cap, integral double scrubbing paddles, tank with splash cover | 500364 / C-24500 | |
| VFD frequency converter (VFD version) | Drive electrical control | ||
| Lifting rack support and locking knob | main shaft lifting support side |
| Component | Location | Part / drawing no. |
|---|---|---|
| Rotor / Impeller — Flotation machine impeller | Internal stirring mechanism of flotation tank | H-4108 |
| Stator / Disperser — Diffuser wear plate | Around the impeller in the groove | H-4108 |
| Handwheel weir gate control mechanism | Liquid level control point of each flotation tank | |
| Impeller/diffuser repair kit (aftermarket) | Lower part of tank body | |
| Bearing repair kit (aftermarket) | Shafting support | |
| Shaft maintenance kit (aftermarket) | Riser and shafting | |
| Pipe fitting repair kit (aftermarket) | Feeding and cage side |
The Mechanical-agitation Flotation machine covers 2 models: Denver D12 / D-12 laboratory flotation machine, Denver Sub-A flotation machine. Former and renamed designations are listed in the models table on this page.
The Mechanical-agitation Flotation machine is also documented under these designations: Denver D12 / D-12 laboratory flotation machine, D-12 Laboratory Sub-A, D12 Flotation Machine, 250 / 500 / 1000 / 2000g, Denver Sub-A flotation machine, Sub-A No.18 Special Supercharged, Sub-A No.15 Standard, Denver Sub-A No.15.
The Mechanical-agitation Flotation machine is listed under the Denver Equipment brand as: Laboratory mechanical flotation machine. Status: Historical model.
35 components are recorded, including: cast iron base, Pillars and arms, Mounted main shaft bearing, Main shaft, Inflatable riser and valve, Removable diffuser, Rotor / Impeller, Transmission guard and variable speed V-belt mechanism and more. The full list with locations is in the components table on this page.
cast iron base: 500318 / C-1873, Pillars and arms: 500247 / A-9022 / 532998 / F-4608, Mounted main shaft bearing: 524615 / AS24615 / 524663 / AS24663, Main shaft: 500393 / A-9023, Inflatable riser and valve: 500350 / B-7330 / 522642 / AS29642, Removable diffuser: 500333 / B-17658 / 500390 / B-17649, Rotor / Impeller: 200540 / B-18945 / 200563 / B-18944, Transmission guard and variable speed V-belt mechanism: 532993 / 520359 / 519802 / 519823, Rubber bottom pad: 500372, Single-phase enclosed motor: 519380.
Model-specific components with their own page: Acrylic recirculation ring Fluidizer, Spring balance lifting mechanism, hand crank and lock pin, Mixing modification kit (optional), Scrubbing modification kit (optional), VFD frequency converter (VFD version), Lifting rack support and locking knob, Impeller/diffuser repair kit (aftermarket), Bearing repair kit (aftermarket) and more (10 in total).
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