SU1525304A1 - Pump for viscous fluids - Google Patents

Abstract

The invention makes it possible to increase the productivity of a pump when pumping viscous or thickening media at low temperature. In the housing 7, with the formation of the pump chamber 8 with the discharge valve 11, there is an operating member connected to the cam-lever actuator. The working body is made in the form of two pistons 9 equipped with suction valves 10. The device that supplies the pumped medium to the chamber 8 is made in the form of levers (P) 14 pivotally connected to the housing 7 and P. 17. At the ends of the P 17 there are sash elements . P14 has piping 15 with circulating hot medium. 4 il.

Description

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The invention relates to pump engineering, in particular to pumps for pumping viscous or thickening media at low temperature.

The purpose of the invention is to increase the pump capacity when pumping viscous or thickening media at low temperatures.

FIG. 1 shows a pump with a drive, a general view; in fig. 2 - pump, cross section; in fig. 3 - the same, top view; in fig. 4 shows section A-A in FIG. 2

Pump I is placed in reservoir 2, which is tightly attached to tank 3 from which the medium is being pumped. The rotation of the working shaft 4 of the pump 1 is produced from the engine 5, which is connected to the working shaft 4 by means of the cardan coupling 6.

The pump 1 comprises a housing 7, in which, with the formation of a pumping chamber 8, a device with 9 suction valves 10 is installed. A discharge valve 11 is installed in the wall of the housing 7 of the pumping chamber 8.

A cam 12 is mounted on the working shaft 4, which, through the rollers 13 connected to the levers 14, provides the reciprocating movement of the piston 9.

The levers 14 are fixed to the pipelines 15, through which the hot medium (water, steam, air) circulates. Circulation is provided by an external device (not shown). The levers 14 are installed, 1pps with the possibility of rotating the axle on the axis 16.

On Kcjpnyce I and the levers 14, additional levers 17 are pivotally mounted. At the ends of which are 3aKpeH. ieiii) i leaflet i. ie-. 18.

Hact) c works in the following manner.

When the cam 12 rotates under the action of the levers 14 11orpi 9, they perform a reciprocating motion towards each other or from each other, increasing or decreasing the volume of the pumping chamber 8.

During the movement of the norses 9, the suction valves 10 open from each other and the chamber 8 is filled with the pumped medium. When the pistons 9 move towards each other, the suction valves 10 are closed, the discharge valve II opens, and the pumped medium flows to the consumer.

The operation of additional levers 17 is to force the movement of

the pumped medium in the direction of the pump chamber 8, which occurs during the suction stroke, when the pistons 9 are discharged, suction, and the valves 10 are open, while

Additional levers 17 move towards each other, the folding elements 18 of which collapse and form a continuous surface, under the influence of which the pumped medium moves towards the pump chamber 8.

When the pistons 9 move towards each other, the additional levers 17 move from each other, the wing elements 18 move apart, reducing the resistance that occurs when moving in the pumped-over

environment.

Thus, the pumped medium enters the pump chamber 8 not only because of the discharge behind the pistons 9, but additionally under the action of pressure, created about the sash elements 18.

(1) with the levers 14 move pipelines I. i through which the channels in axis 16 pass through a hot medium, which heats and reduces the viscosity of the pumping medium. The temperature of the hot medium circulating in pipelines 15 It is equipped with an extra device (i.e., a request and is controlled by it).

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Claims (1)

Invention Formula five Pump for pumping viscous media, with. A sheath housing, in which, with the formation of a pump chamber with a suction and a naked atom; 1 valve, a working organ connected to the cam-lever lever is installed; a device that provides the pumped medium to the pump chamber, In order to improve the performance of pumping viscous and thickening media at low temperature, the working element is made of two impurities equipped with suction valves, and the device providing the pumped medium to the pumping chamber is in the form of levers pivotally associated with the housing and the arms of the working body on the ends of which wing elements are installed, and on the working body mounted levers whose pipes circulating hot medium. eleven