SU981691A1

SU981691A1 - Dynamic pump

Info

Publication number: SU981691A1
Application number: SU813232334A
Authority: SU
Inventors: Николай Михайлович Кулешин; Геннадий Михайлович Барахтенко; Филипп Зиновьевич Еленский; Екатерина Николаевна Агафонова; Александр Маркович Грабовский; Олег Николаевич Цабиев; Николай Яковлевич Еремин; Виктор Андреевич Маточкин
Original assignee: Запорожский индустриальный институт
Priority date: 1981-01-09
Filing date: 1981-01-09
Publication date: 1982-12-15

Description

Изобретение относитс к гидрома г шинрстроению и мoжet быть использовано дл перекачивани жидкости с абразивными частицами насосами с вра1цаю1ф1мс корпусом.The invention relates to a hydrometeering structure and can be used for pumping liquid with abrasive particles with pumps with a rotary body.

Известен динамический насос,.содержащий вращающийс корпус с подвод щим каналом и размещенное в корпусе вращающеес колесо с рабочими элементами, закрепленными на корпусе и образующими радиальные каналы 1.A dynamic pump is known that contains a rotating housing with a supply channel and a rotating wheel arranged in the housing with operating elements fixed on the housing and forming radial channels 1.

Недостатком известного, иасоса вл етс пониженный КПД.The disadvantage of the pump is a lower efficiency.

Наиболее близким к изобретению по технической сущности и догтига емому результату вл етс динамический насос,, содержащий вращающийс корпус с подвод щим каналом и размещенные в корпусе последовательно по ходу потока вращающеес колесо с рабочими элементами, закрепленными на корпусе и образующими радиальные каналы, ограниченные со стороны , противоположной корпусу, диском, и неподвижный направл ющий аппарат с лопатками С2 .The closest to the invention by technical essence and the achievable result is a dynamic pump, which contains a rotating housing with an inlet channel and a rotating wheel arranged successively in the housing along the course of the flow with working elements fixed on the housing and forming radial channels limited on the side, opposite to the housing, the disk, and the fixed guide vanes with C2 blades.

Однако при перекачивании жидкости с абразивными твердыми частицами известный насос имеет нмзкую износостойкость и плохие виброакустические характеристики.However, when pumping liquid with abrasive solids, the known pump has low wear resistance and poor vibro-acoustic characteristics.

Целью изобретени вл етс повышение износостойкости и улучшение виб10 роакустических характеристик насоса при перекачивании жидкости с абразивными частицами .The aim of the invention is to increase the wear resistance and improve the vibration characteristics of the pump when pumping liquid with abrasive particles.

Поставленна цель достигаетс тем, что рабочие элементы выполнены The goal is achieved by the fact that the work items are completed.

IS в виде соосно установленных кольцевых дисков, расположенных относительно друг друга с зазорами, служащими радиальными каналами, и диск установлен неподвижно, а лопатки направ20 л ющего аппарата закреплены на последнем .The IS is in the form of coaxially mounted annular disks located relative to each other with gaps serving as radial channels, and the disk is fixed, and the vanes of the guide vanes are fixed on the latter.

Claims

The drawing shows the pump, a longitudinal section. 39 The pump contains a rotating body 1 with an inlet channel 2 and a rotating wheel 3 placed successively in the case 1 along the flow with working elements k fixed on the case 1 and forming radial channels 5 limited on the side opposite to the case 1, disk 6, and fixed guide vane 7 with blades 8 The working elements are made in the form of coaxially mounted annular disks arranged relative to each other with gaps 9 serving as radial channels 5 ,. and the disk 6 is fixed, and the blades 8 of the guide vane 7 are fixed on said disk 6. Case 1 is driven by rotation by shaft 10, Liquid is discharged from cavity 11 of case 1 by diverting channel 12, Sealing of rotating parts can be done with sealing element 13 and the supply of barrier fluid through the channel 14 J chamber 15 o The pump operates as follows. Fluid with abrasive particles through supply channel 2 enters radial channels 5 formed by annular disks, where the forces of viscous friction arising between (at surfaces of disks 4 and layers of liquid) accelerate and are thrown to the periphery of body cavity 11. 1, Then the liquid enters the fixed guide vanes 7, where the kinematic energy obtained by the flow is converted into potential energy and delivered to the consumer through channel 12. The proposed pump has a high wear resistance of its nodes. Vibroacoustic characteristics of the pump. Formula of the invention. A dynamic pump containing a rotating body with an inlet channel and a rotating wheel arranged sequentially along the flow with working elements fixed on the body and forming radial channels bounded on the side opposite to the body, a disk, and fixed guide vanes, with blades, characterized in that, in order to increase wear resistance and improve the vibro-acoustic characteristics of the pump when pumping liquid and with abrasive particles, the working elements are made in the form of coaxially mounted annular disks arranged relative to each other with gaps serving as radial channels, and the disk is fixedly mounted, and the vanes of the guiding apparatus are fixed on the latter. Sources of information taken into account in the examination 1. Spassky KN, Shaum n WoW. New pumps for low flow and high head. M., Mechanical Engineering, 1973, p. 15 of FIG. eight,

2. Authors certificate of the USSR N233 69, M., cl. F 04 D 11/00, 19b7.

riN