CN2765960Y

CN2765960Y - Automatic jet flow coiling and absorbing propeller device of closed drainage

Info

Publication number: CN2765960Y
Application number: CN 200420105014
Authority: CN
Inventors: 梁玉祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-11-11
Filing date: 2004-11-11
Publication date: 2006-03-22
Anticipated expiration: 2014-11-11

Abstract

An automatic jet flow coiling and absorbing propeller device of closed drainage includes an automatic control system which is formed by a dissolved oxygen detecting head, a single chip computer and a control switch circuit. The automatic jet flow coiling and absorbing propeller device of closed drainage is characterized in that it also includes a vane wheel propeller which is used to be placed below the liquid level of the sewer, and an air supply collar. The vane wheel propeller consists of a motor and a plurality of vanes which are installed on a motor shaft and are distributed eyelets. The air supply collar which is positioned between the vanes and the motor is provided up with the same axis with the motor shaft. One end of an air supply pipe connects with the air supply collar while the other end of the air supply pipe extends out the sewer and connects with an air feeder. The air feeder and the motor are both connected in the current supply circuit of the control switch circuit. The utility model can supply the air and the oxygen on time according to the dissolved oxygen content in the effluent, improves simultaneously the output function of the water body and prevents the poisoning process of the effluent water body.

Description

The automatic jet entrainment propulsion plant of sealing sewer

One, technical field

The utility model relates to the air-supply arrangement that is used for environmental protection, especially for the automatic air-supply arrangement of oxygen supply that the sealing sewer is blown.

Two, background technology

In order to prevent water pollution, improve and the protection environment, sanitary sewage in the cities and towns, industrial wastewater, rainwater, snow-broth, need in time and properly to be got rid of, get rid of these water, two kinds of draining systems are generally arranged, first combined system: sanitary sewage, industrial waste water and rainwater are got rid of with a pipe network; It two is segregation systems: rainwater and sewage are provided with pipe network respectively get rid of.Rainwater adopts irrigation canals and ditches, hidden pipe, directly is discharged to natural waterway; And sewage adopts the special-purpose pipe network of sewage (sewer) to be discharged to Wastewater Treatment Plant, concentrates and is handled.

At cities and towns blowdown pipe network is in the use of sewer, because sewer is in closed state for a long time, severe depletion of oxygen in the sewer, this has just caused sewage further consequence of murders by poisoningization in sewer: toxic gases such as organic matter poisons, heavy metal precipitation and generation methane, hydrogen sulfide etc., have a strong impact on and pollute town environment, increase the weight of the difficulty of sewerage treatment, increased the cost of sewerage treatment.

Three, utility model content

The purpose of this utility model provides the automatic jet entrainment propulsion plant of a kind of sealing sewer, with in time to the sewer oxygen supply of blowing.This novel purpose is realized by the following technical programs: the automatic jet entrainment propulsion plant of a kind of sealing sewer, comprise the automatic control system of forming by dissolved oxygen detecting head, single-chip microcomputer, gauge tap circuit, it is characterized in that, also comprise as placing the following vane wheel propeller of sewer liquid level: it is made up of motor and a plurality of blades that are installed on the motor shaft, spreads all over perforation on the blade; Also have and motor shaft by same axis setting, air-supply endless tube between blade and motor, the air-supply endless tube links to each other with ajutage one end, the ajutage other end stretches out sewer and links to each other with ventilator outward; Ventilator and motor all are connected among the current supply circuit of described gauge tap circuit.

Adopt above technical scheme, can the content of dissolved oxygen in the sewage in the sewer of cities and towns be detected in real time and control, its process is as follows: the detection signal of dissolved oxygen content is delivered in the single-chip microcomputer in the sewage by the dissolved oxygen detecting head, compare with the standard value that presets in the single-chip microcomputer, when in the sewage during oxyty value of being above standard, single-chip microcomputer sends a control signal, deliver to the gauge tap circuit, the gauge tap circuit operation, constant open contact closure as relay, to ventilator and motor power supply, make this new device start operation: the blade on the vane wheel propeller begins rotation, current are formed progradation, and with it simultaneously, the air-supply endless tube is sent multiply annular flow (ground air) at the blade rear, high velocity air forms percussion on blade, quickened the less turbulence of current and increased mixing and exposure level of air-flow and current, final, entrainmenting and the jet effect of rotating vane place formation air-flow-current.

This is novel to have following characteristics: 1, oxygenation function: can be at any time according to dissolved oxygen content in the effluent sewerage, and the oxygen supply of in good time blowing becomes the anoxic of sewage aerobic, stops organic matter to poison, and prevents to produce toxic gases such as methane, hydrogen sulfide; 2, outstanding merit is revolved in improvement, prevents heavy metal deposition; 3, improve the water body conveying function.

Four, description of drawings

Fig. 1 is the floor map of this novel mechanical part;

Fig. 2 is the stereogram of blade shown in Figure 1 and air-supply endless tube;

Fig. 3 is the block diagram of this new type auto control section.

Five, the specific embodiment

Fig. 1 illustrates, and vane wheel propeller is become with a plurality of leaf-level on being installed in motor shaft 41 by motor 4, referring to Fig. 2, usually, adopts 3

blades

51,52,53, uniform being installed on the motor shaft, spreads all over perforation 51a on each blade; Air supply system mainly is made up of ventilator and air-supply endless tube; Have many hole 3a on the air-supply endless tube 3, air-supply endless tube and motor shaft are by same axis setting, the air-supply endless tube is between

blade

51,52,53 and motor 4, air-supply endless tube 3 links to each other with ajutage 2 one ends, best mode is: ajutage one end is attached thereto logical along the tangential direction of air-supply endless tube, the ajutage other end stretches out and links to each other with ventilator 1 beyond the sewer.The diameter (internal diameter) of air-supply endless tube greater than the diameter of motor shaft less than the diameter of blade rotation (from the blade summit to center of rotation).Motor shaft 41 has eyelet 41a for the hollow section of front and back ends sealing on the front end, this motor shaft hollow section be connected with ajutage 2 (ajutage can be connected in the bearing support of motor shaft perforate on the circumference of locating corresponding to the bearing support position on the hollow section).

Fig. 3 illustrates, and inputs to single-chip microcomputer 7 from the detection signal of dissolved oxygen detecting head 6, and the control signal of single-chip microcomputer exports gauge tap circuit 8 to, and the motor 4 of above-mentioned ventilator 1 and vane wheel propeller all is connected in the current supply circuit of gauge tap circuit.

The course of work is as follows: single-chip microcomputer is to judging from the signal of dissolving detecting head: when the content (also can adopt this parameter of solubility of dirty water oxygen) of dissolved oxygen in the sewage surpasses predetermined standard value, one control signal takes place in single-chip microcomputer, make the gauge tap circuit operation, ventilator and motor are powered, air supply system and vane wheel propeller are started working, sewage in the sewer produced entrainment, progradation, the precipitation of heavy metal is played interception; Simultaneously sewage is carried out oxygenation, the anaerobic environment in the sewer is changed into aerobic environment, in order to the generation of microorganism to organic matter decomposition reaction in the sewage, the carrying out that stops the murder by poisoningization process.When the content of dissolved oxygen in the sewage was lower than predetermined standard value, this device was in off working state.

This novel can be automatically, in time effluent sewerage is carried out oxygenation and eddy flow promotes, solved the difficult problem of cities and towns sewer murders by poisoningization.

Claims

1, the automatic jet entrainment propulsion plant of a kind of sealing sewer, comprise the automatic control system of forming by dissolved oxygen detecting head, single-chip microcomputer, gauge tap circuit, it is characterized in that, also comprise as placing the following vane wheel propeller of sewer liquid level: it is made up of motor (4) and a plurality of blades of being installed on the motor shaft (41), spreads all over perforation on the blade; Also have and motor shaft by same axis setting, be positioned at the air-supply endless tube (3) between blade and the motor (4), air-supply endless tube (3) links to each other with ajutage (2) one ends, the ajutage other end stretches out sewer and links to each other with ventilator (1) outward; Ventilator (1) and motor (4) all are connected among the current supply circuit of described gauge tap circuit.

2, propulsion plant according to claim 1 is characterized in that, the diameter that the internal diameter of described air-supply endless tube (3) rotates less than blade greater than the diameter of motor shaft (41).

3, propulsion plant according to claim 1 and 2 is characterized in that, described motor shaft (41) is the hollow section of front and back ends sealing, and has eyelet (41a) on the front end; The hollow section of this motor shaft is connected with described ajutage (2).

4, propulsion plant according to claim 1 and 2 is characterized in that, described blade is three, uniform being arranged on the motor shaft (41).

5, propulsion plant according to claim 4 is characterized in that, described ajutage (2) one ends are attached thereto along the tangential direction of air-supply endless tube (3).