SU1353490A1 - Mixer - Google Patents
Mixer Download PDFInfo
- Publication number
- SU1353490A1 SU1353490A1 SU853985965A SU3985965A SU1353490A1 SU 1353490 A1 SU1353490 A1 SU 1353490A1 SU 853985965 A SU853985965 A SU 853985965A SU 3985965 A SU3985965 A SU 3985965A SU 1353490 A1 SU1353490 A1 SU 1353490A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- auger
- mixer
- tank
- screw
- shutter
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/484—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws with two shafts provided with screws, e.g. one screw being shorter than the other
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/487—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws with consecutive casings or screws, e.g. for feeding, discharging, mixing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Description
Изобретение относитс к переработке полимерных материалов и резиновых смесей и может быть использовано в химической промышленности и в производстве стройматериалов .The invention relates to the processing of polymeric materials and rubber compounds and can be used in the chemical industry and in the production of building materials.
Целью изобретени вл етс интенсификаци процесса смешени и повышение качества готового продукта.The aim of the invention is to intensify the mixing process and improve the quality of the finished product.
На фиг. 1 схематически изображен предлагаемый смеситель, поперечный разрез; на фиг. 2 - разрез А-А на фиг. 1; на фиг. 3 - зависимость потребл емой мощности от времени .FIG. 1 shows schematically the proposed mixer, a cross-section; in fig. 2 shows section A-A in FIG. one; in fig. 3 - dependence of power consumption on time.
Смеситель содержит обогреваемую емкость 1 с горизонтальными роторами 2 и параллельным им шнеком 3, расположенным в корпусе 4, сообщенном с емкостью 1 по всей ее длине посредством продольного отверсти 5. Шнек 3 снабжен размещенным на нем концентрично цилиндрическим затвором 6, раздел ющим щнек на загрузочную 7 и напорную 8 части. Диаметр затвора 6 равен внутреннему диаметру корпуса 4 шнека 3, а длина составл ет от 0,3 до 0,5 длины емкости.The mixer contains a heated tank 1 with horizontal rotors 2 and a screw 3 parallel to them, located in housing 4, communicated with tank 1 along its entire length by means of a longitudinal hole 5. Screw 3 is provided with a cylindrical valve 6 arranged concentrically on it that separates the screws into a loading 7 and pressure head 8 parts. The diameter of the shutter 6 is equal to the inner diameter of the housing 4 of the screw 3, and the length is between 0.3 and 0.5 times the length of the container.
Затвор 6, перекрыва проходное сечение корпуса 4 шнека 3, предотвращает попадание исходного материала в напорную зону, мину рабочую камеру смесител - полость емкости 1.The shutter 6, blocking the flow area of the housing 4 of the screw 3, prevents ingress of the source material in the pressure zone, mine working chamber of the mixer - the cavity of the tank 1.
Загрузка смесител осуществл етс через бункер 9, установленный на корпусе щне- ка 3. Сообщение корпуса шнека с емкостью по всей ее длине исключает образование застойных зон, а затвор не дает возможности материалу, не прошедшему рабочую камеру смесител , попадать в разгрузочную зону щнека. Кроме того, шнек снабжен дисковым пластикатором 10, установленным на выходном конце.The mixer is loaded through the bunker 9 mounted on the housing of the screw 3. The auger body communicates with its capacity along its entire length and prevents the formation of stagnant zones, and the shutter does not allow the material that has not passed the working chamber of the mixer to enter the unloading zone of the screw. In addition, the screw is equipped with a plasticized plastic disk 10 mounted on the output end.
Смеситель работает следующим образом .The mixer works as follows.
Исходные компоненты загружаютс в бункер 9, откуда загрузочной частью 7 щнека подаютс в полость емкости 1 - смесительную камеру. Одновременно происход т предварительна подготовка, смешение и подогрев материала. Затвор обеспечивает выход материала в смесительную камеру через отверсти 5 в корпусе 4 щнека 3, где под действием интенсивного теплового и механического воздействи материал перемешиваетс и разогреваетс до заданной температуры . Разогретый и перемешанный материал из емкости 1 поступает в напорную зону 8 шнека 3, а затем в зону диспергирующего смешени дискового пластикатора 10.The initial components are loaded into the hopper 9, from where the charging part 7 of the screw is fed into the cavity of the tank 1 - the mixing chamber. At the same time, preliminary preparation, mixing and heating of the material take place. The shutter provides for the material to enter the mixing chamber through the holes 5 in the housing 4 of the screw 3, where under the action of intense thermal and mechanical effects the material is mixed and heated to a predetermined temperature. The heated and mixed material from the tank 1 enters the pressure zone 8 of the screw 3, and then into the zone of dispersing mixing of the plasticizer 10.
Такое сочетание различных элементов перерабатывающих машин обусловлено кинетикой процесса смешени . В общем случае график затрат мощности на перемешив ание и пластикацию материала в роторном смесителе (фиг. 3) может быть условно разделен на три характерных зоны: I - пластикации, II - смещени , III - гомогенизации и диспергирующего смещени . Максимальна This combination of various elements of processing machines is due to the kinetics of the mixing process. In the general case, the power cost schedule for mixing and kneading a material in a rotary mixer (Fig. 3) can be divided into three characteristic zones: I - kneading, II - bias, III - homogenization and dispersing bias. Maximum
0 мощность необходима во II зоне и обусловлена большими затратами на разогрев и пластикацию холодного материала, а на разрушение структуры и агломератов дисперсных добавок. Поэтому на этой стадии0 power is needed in zone II and is due to the high costs of heating and kneading cold material, and the destruction of the structure and agglomerates of dispersed additives. Therefore, at this stage
r рационально использовать более мошную машину - роторный смеситель. Частичное снижение затрат энергии в роторном смесителе достигаетс за счет предварительного подогрева и смешени материала транспортирующим шнеком. В третьей зоне затратыr it is rational to use a more powerful machine - rotary mixer. Partial reduction of energy costs in a rotary mixer is achieved by preheating and mixing the material with a conveyor screw. In the third zone costs
0 мощности значительно снижаютс и дл достижени необходимого качества смешени можно использовать щнек с установленным на выходном конце дисковым пластика- тором. Шнек выполн ет смещивание и гомо5 генизацию расплава на участке снижени мощности (III А, зона), а дисковый пласти- катор производит качественное диспергирующее смещение на участке выравнивани мощности (III Б зона).The power is significantly reduced, and in order to achieve the required mixing quality, you can use cheeks with a disk plasticizer installed at the output end. The screw performs displacement and homogenization of the melt in the area of power reduction (III A, zone), and the disk plasticizer produces a qualitative dispersing displacement in the section of power equalization (Zone III B).
Предлагаема конструкци позвол ет ис0 пользовать роторные смесители дл непрерывного производства полимерных и резиновых смесей и повысить качество готовой продукции за счет рационального использовани различных перерабатывающих машин , объединенных в один смеситель, а так5 же устранени застойных зон местных перегревов конструкции материала за счет улучшени реодинамики движени .The proposed design makes it possible to use rotary mixers for continuous production of polymer and rubber compounds and to improve the quality of finished products through the rational use of various processing machines combined into one mixer, as well as eliminating stagnant zones of local overheating of the material structure by improving the movement dynamics.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU853985965A SU1353490A1 (en) | 1985-12-10 | 1985-12-10 | Mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU853985965A SU1353490A1 (en) | 1985-12-10 | 1985-12-10 | Mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU1353490A1 true SU1353490A1 (en) | 1987-11-23 |
Family
ID=21208587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU853985965A SU1353490A1 (en) | 1985-12-10 | 1985-12-10 | Mixer |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU1353490A1 (en) |
-
1985
- 1985-12-10 SU SU853985965A patent/SU1353490A1/en active
Non-Patent Citations (1)
| Title |
|---|
| Авторское свидетельство СССР № 204800. кл. В 01 F 7/04, 1966. * |
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