SU791369A1

SU791369A1 - Extruder for preparing feeding-stuffs

Info

Publication number: SU791369A1
Application number: SU792777865A
Authority: SU
Inventors: Владимир Иванович Сыроватка; Михаил Иванович Королев
Original assignee: Всесоюзный научно-исследовательский институт электрификации сельского хозяйства
Priority date: 1979-06-12
Filing date: 1979-06-12
Publication date: 1980-12-30

Description

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Изобретение относитс к экструдерам дл приготовлени кормов, используемым в сельскохоз йственном производстве .FIELD OF THE INVENTION The invention relates to extruders for the preparation of feed used in agricultural production.

Известны экструдеры дл приготовлени кормов, включающие корпус с размещенным в нем шнеком и устройство дл изменени давлени внутри корпуса , выполненное в виде втулки, установленной в корпусе с возможностью осевого перемещени посредством привода и 2 .Extruders for preparing feeds are known, including a housing with an auger placed in it and a device for varying the pressure inside the housing, made in the form of a sleeve mounted in the housing with the possibility of axial movement by means of an actuator and 2.

В этих экструдерах привод втулки выполнен в виде резьбового соединени , причем во врем работы экструдера перемещение втулки не предусмотрено , что снижает термодинамическое воздействие на приготовл емый корм, его качество, а также производительность экструдера вследствие замедленного протекани в нем термодинамических процессов.In these extruders, the sleeve drive is made in the form of a threaded joint, and during the operation of the extruder the sleeve does not move, which reduces the thermodynamic effect on the prepared feed, its quality, as well as the performance of the extruder due to the slower flow of thermodynamic processes in it.

Целью изобретени вл етс улучшение качества приготовл емого корма путем интенсификации термодинамического воздействи на него и повышение производительности.The aim of the invention is to improve the quality of the prepared feed by intensifying the thermodynamic effect on it and increasing the productivity.

Это достигаетс тем, что привод втулки выполнен в виде водила, прикрепленного к выходному концу шнека,JThis is achieved by the fact that the sleeve drive is made in the form of a carrier attached to the output end of the screw, J

и роликов, закрепленных на концах водила и перекатываемых по внешнему торцу втулки, развертка которого имеет вид синусоиды. При этом во втулке выполнены отверсти дл формировани готового продукта.and rollers mounted on the ends of the carrier and rolled along the outer end of the sleeve, the scan of which has the form of a sinusoid. In this case, holes are made in the sleeve for forming the finished product.

На фиг. 1 схематично изображен экструдер дл приготовлени кормов, вид сбоку в разрезе; на фиг. 2 - развертto ка торца втулки.FIG. 1 shows a schematic representation of an extruder for preparing feeds, side view in section; in fig. 2 - open the end of the sleeve.

Экструдер включает снабженный загрузочным бункером 1 корпус 2 с размещенным в нем шнеком 3, имеющим перегородки 4, и устройство дл изменени давлени внутри корпуса, выпол15 ненное в виде втулки 5, установленной в корпусе 2 с возможностью осевого перемещени посредством привода. Последний выполнен в виде водила 6, прикрепленного к выходному концу 7 шне20 ка 3, и роликов 8, закрепленных на концах водила 6 и перекатываемых по внешнему торцу 9 втулки 5. Причем развертка торца втулки имеет вид синусоиды, а во втулке выполнены отверсти 10 дл формировани готового продукта , выход щие в приемную камеру 11.The extruder includes a housing 2 provided with a hopper 1 with a screw 3 disposed therein, having partitions 4, and a device for varying the pressure inside the housing made in the form of a sleeve 5 installed in the housing 2 with axial movement by means of a drive. The latter is made in the form of a carrier 6 attached to the output end 7 of the screw 3 and 3 rollers 8 fixed at the ends of the carrier 6 and rolled along the outer end 9 of the sleeve 5. Moreover, the sweep of the end of the sleeve has the form of a sinusoid, and in the sleeve there are holes 10 to form of the finished product leaving the receiving chamber 11.

Claims

The extruder operates as follows. The feed mixture to be processed is loaded through the hopper 1 into the housing 2, where it is captured by the turns of the screw 3 and transported through the extruder zones, subjected to thermodynamic influence. The mixture, the passage of the gaps between the partitions 4 and the body 2, is subjected to additional shear deformations. At the same time, the most intensive physicochemical destruction, accompanied with an increase in the nutritional properties of the feed, occurs due to the effect on the processed mass of the pulsating pressure created by the reciprocating movement of the sleeve 5 due to the rolling surface 8 of the rollers 8, and the amplitude and frequency The axial oscillations of the sleeve are determined by the parameters of the sinusoid and the speed of rotation of the screw and are selected depending on the desired extrusion mode and the type of feed. When the mass passes through the holes 10, it is given a certain shape and size, and then it enters the chamber 11. Processing the feed components under pulsed pressure conditions increases the nutritional value of the feed, due to the increased thermodynamic effect on it, as well as the performance of the extruder due to an increase in the speed of movement of the feed mass inside the housing and a decrease in usi / 0 LIA during the formation of the finished product. Claim 1. A feed preparation extruder comprising a housing with an auger located therein and a device for changing pressure inside the housing made in the form of a sleeve mounted axially movable in the housing by means of an actuator, characterized in that, in order to improve the quality of the feed by intensifying the thermodynamic effect on it and increasing productivity, the sleeve drive is made in the form of a carrier attached to the output end of the auger and rollers mounted on the end ah drove and rolled on the outer end of the sleeve, the scan of which has the form of a sinusoid. 2. An extruder according to Claim 1, characterized in that openings are made in the sleeve for forming the finished product. Sources of information taken into account in the examination 1. US patent number 3695891, cl. 99-98, published. 1972.

2. USSR author's certificate number 582790, cl. A 23 N 17/00, 1976 (prototype).