CN205742512U - A kind of pre-cyclone of water pump - Google Patents

Abstract

nullThis utility model belongs to pump equipment technical field，Relate to a kind of pre-cyclone of water pump，It is installed on below pump intake，For pretreatment of intaking，Including basin body、Overfall and sluice weir，Wherein sluice weir comprises inflow entrance、First baffle plate、Second baffle and deflector，The basin body of hood configuration is open-topped cylindrical shape，Overfall is fixed on basin body top and connects as one with basin body transition type，The inflow entrance of liquid is had on the sluice weir being connected with overfall integral type，Inflow entrance be respectively arranged on the left side and the right side the first baffle plate and second baffle，First baffle plate and second baffle are tabular or V-type or U-shape structure，The inner side of inflow entrance is provided with deflector，Deflector is spiral-shaped structure or is camber flow passage structure,Its overall structure is simple，Volume is little，Take up an area few，Novel in design，Investment of production is low，Simple installation，Keep in repair convenient and environmental friendliness，There is good economic benefit and application prospect.

Description

A kind of pre-cyclone of water pump

Technical field:

This utility model belongs to pump equipment technical field, relates to a kind of water pump pretreatment unit, is installed on water pump and enters Below the mouth of a river, be used for building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban look, medical treatment, food and drink, the industry such as municipal administration.

Background technology:

Water processes and is widely used in building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban look, medical treatment, food and drink, city The industries such as political affairs, its processing procedure is for first collecting reprocessing, and during water inlet, in water, foreign material and mud etc. easily deposit and blocks The water inlet of water pump causes water route not smooth, affects drain discharge, not only reduces treatment effeciency, reduce the water pump life-span, deposits produce Raw toxic and harmful causes air and water pollution, and desilting is difficult, and maintenance cost increases；In the prior art, to water The research of reason technology is concentrated mainly in primary reinforcement process, two stage treatment, tertiary treatment or advanced treating, for pretreatment skill Art still continues to use traditional preprocess method, such as: at the processing methods such as coarse rack, fine fack, setting pot and preliminary sedimentation tank or combination Reason method, such as: be provided with manually or mechanically coarse rack or fine fack in water inlet front end and suspend or floating dirt for retaining, with Protection water pump vane, it is to avoid water pump blocking or damage in impeller, it is ensured that water pump is properly functioning, but manually or mechanically grid floor space Greatly, need cleaning and safeguard and be equipped with night shift room and other affiliated facilities in pumping plant；Widely used rotational flow grit chamber is Utilizing mechanical force to control fluidised form and flow velocity, accelerate the precipitation of sand grains, sand setting is effective, but mechanical dredge equipment is complicated, to construction Prescription is high, and floor space is big, is not suitable for residual organic matter in miniature water treatment plant or pumping plant and water；Chinese patent ZL200620034449.0 has been disclosed rotary running preprocessor, by top fixing element, outer cylinder body, screen filter, water outlet piece and The compositions such as taper storage bucket, the upper and lower part of cylinder is provided with the water inlet pipe and return duct being connected with cylinder tangent line, cylinder bottom respectively Being storage bucket and discharge pipeline, screen filter is fixed on the central authorities of cylinder, has filtrate collection case and outlet pipe bottom it, and its equipment is multiple Miscellaneous, investment height；In terms of Flow-rate adjustment, water treatment plant or pumping plant are typically provided converter, traditional handicraft use start-stop pump or The mode of frequency conversion, the seriality of its technique is poor and frequent starting water pump causing trouble increases and maintenance cost increase.

Summary of the invention:

The purpose of this utility model is the shortcoming overcoming prior art to exist, and seeks to design a kind of pre-spinning of water pump Putting, solve desilting difficulty in preprocessing process, soil discharging facility is complicated, the problem of Flow-rate adjustment manufacturability difference, it is possible to reduce at water Reason factory or pumping plant construction and maintenance cost, economy is notable, increases pumping plant service life, reduces environmental pollution.

To achieve these goals, the pre-cyclone of the water pump that this utility model relates to, its agent structure includes basin body, gear Mill weir and sluice weir, wherein sluice weir comprises inflow entrance, the first baffle plate, second baffle and deflector, and the basin body of hood configuration is Open-topped cylindrical shape, overfall is fixed on basin body top and connects as one with basin body transition type, and overfall is used for intercepting Water inlet, the sluice weir being connected with overfall integral type has the inflow entrance of liquid, the left and right sides of inflow entrance integral type respectively Being provided with the first baffle plate and second baffle, the first baffle plate and second baffle are tabular or V-type or U-shape structure, the inner side of inflow entrance Being provided with deflector, deflector is spiral-shaped structure or is camber flow passage structure.

Operation principle of the present utility model is: with pre-cyclone jacket-type, water pump is fixedly installed in water feeding of water pump in pumping plant Below Kou, the water of pumping first flows through the pre-cyclone of water pump, when pumping plant is properly functioning, along with water level not before entering water pump Disconnected reduction, when water level is less than overfall, water enters from the entrance of sluice weir, flows into basin body through deflector and produces in basin body The raw current identical with water pump direction of rotation, during whole water flow rotary, from sluice weir, the bottom centre to basin body flows Speed is gradually increased and reaches maximum in bottom, and current drive in water in all substances entrance water pump, and then is discharged in supervisor's net, Achieve the automatic pool cleaning of pumping plant, it is not necessary to odor removal and clear pool equipment are installed, it is to avoid pumping plant produces deposition because shutting down water level height Thing and toxic and harmful, reduce environmental pollution；When the source water level of water level decreasing to sluice weir, current have had certain Flow velocity and water (flow) direction are identical with impeller direction of rotation, along with the continuation of water level reduces, to basin bottom center from sluice weir Between the rotary speed of current be continually changing so that the discharge of water influx and water pump gradually matches, when water level is minimum, Discharge is minimum, reaches the effect of converter, it is achieved that flow automatic regulation and seriality technique, reduces production and throws Money.

This utility model is compared with prior art, due to pre-rotation guide functions, it is possible under not closing flow of inlet water, real Existing automatic pool cleaning and long-term, stable, Effec-tive Function, it is achieved flow automatic regulation and seriality technique；Its overall structure is simple, body Long-pending little, take up an area few, novel in design, investment of production is low, simple installation, keeps in repair convenient and environmental friendliness, has good economic effect Benefit and application prospect.

Accompanying drawing illustrates:

Fig. 1 is the structural principle schematic diagram of embodiment of the present utility model.

Detailed description of the invention:

Below by embodiment and combine accompanying drawing this utility model is described further.

Embodiment:

The water pump that the present embodiment the relates to agent structure of pre-cyclone includes basin body 1, overfall 2 and sluice weir 3, wherein Sluice weir 3 comprises inflow entrance the 4, first baffle plate 5, second baffle 6 and deflector 7, and the basin body 1 of hood configuration is open-topped circle Tubular, overfall 2 is fixed on basin body 1 top and connects as one with basin body 1 transition type, and overfall 2 is used for intercepting water, with dash Having the inflow entrance 4 of liquid on the sluice weir 3 that weir 2 integral type is connected, the left and right sides of inflow entrance 4 integral type respectively is provided with first Baffle plate 5 and second baffle 6, the first baffle plate 5 and second baffle 6 be tabular or V-type or U-shape structure, and the inner side of inflow entrance 4 is provided with Screw type deflector 7, deflector 7 or be camber flow passage structure.

The operation principle of the present embodiment is: with pre-cyclone jacket-type, water pump is fixedly installed in pump intake in pumping plant Lower section, the water of pumping first flows through the pre-cyclone of water pump entering before water pump, when pumping plant is properly functioning, continuous along with water level Reducing, overfall 2 will be above water level, and water enters from the entrance of sluice weir 3, flows into basin body 1 and in basin body 1 through deflector 7 Produce the current identical with water pump direction of rotation, during whole water flow rotary, in the bottom of basin body 1 from sluice weir 3 Heart flow velocity is gradually increased and reaches maximum in bottom, and current drive in water in all substances entrance water pump, and then are discharged to supervisor In net, it is achieved that the automatic pool cleaning of pumping plant, it is not necessary to odor removal and clear pool equipment are installed, it is to avoid pumping plant produces because shutting down water level height Deposit and toxic and harmful, reduce environmental pollution；When entrance 4 water level of water level decreasing to sluice weir 3, current have Certain flow velocity and water (flow) direction are identical with impeller direction of rotation, along with the continuation of water level reduces, to basin body 1 from sluice weir 3 Between bottom centre, the rotary speed of current is continually changing so that the discharge of water influx and water pump gradually matches, at water When position is minimum, discharge is minimum, plays the effect of converter, it is achieved that flow automatic regulation and seriality technique, reduces life Produce investment.

Claims (1)

1. the pre-cyclone of water pump, is characterized in that agent structure includes basin body, overfall and sluice weir, wherein sluice weir bag Containing inflow entrance, the first baffle plate, second baffle and deflector, the basin body of hood configuration is open-topped cylindrical shape, and overfall is solid Connect as one due to basin body top and with basin body transition type, the sluice weir being connected with overfall integral type has the stream of liquid Entrance, inflow entrance be respectively arranged on the left side and the right side the first baffle plate and second baffle, the first baffle plate and second baffle are tabular or V Type or U-shape structure, the inner side of inflow entrance is provided with deflector, and deflector is spiral-shaped structure or is camber flow passage structure.