CN2844111Y

CN2844111Y - Deposited gas-liquid agitating mixed aerator

Info

Publication number: CN2844111Y
Application number: CNU2005200184603U
Authority: CN
Inventors: 蔡高荣
Original assignee: CHUANYUAN Co Ltd
Current assignee: CHUANYUAN Co Ltd
Priority date: 2005-05-11
Filing date: 2005-05-11
Publication date: 2006-12-06
Anticipated expiration: 2015-05-11

Abstract

The utility model relates to a submerged gas-liquid agitating mixing aerator. Negative pressure generated by high flow rate liquid which passes through a tapered water inlet is used for sucking gas, gas-liquid mixtures are mixed in a gas-liquid mixing chamber and are cut into fine and fairly dense bubble particles through a static spiral agitating pipe. The bubble particles are pumped into the liquid through a diffusion pipe to increase dissolved oxygen, and forcible gas feed is not needed. The utility model having good design dimensions does not need to increase additional power or replace structural devices, and the amount of the dissolved oxygen in water can be increased. The utility model has the advantages of energy saving and cost saving.

Description

The submerged water gas-liquid mixes aerator

Technical field

The utility model relates to a kind of aerator, especially relates to a kind of the raising and contains the expose to the sun submerged water gas-liquid of oxygen scope of oxygen rate and increase in the water and mix aerator.

Background technology

Raising along with human lives's quality, people also increase with requirement day by day to the attention of water quality aspect, and the kind of factory's polluted water is also various day by day, if desire is improved water quality, the dissolved oxygen amount in pond is to be wherein important a kind of condition, by improving the dissolved oxygen amount in the water, reach the effect of improving water quality.

In general, dissolved oxygen in the water on the whole can be from the dissolving naturally of oxygen in the atmosphere, the expose to the sun oxygen action of photosynthesis of waterplant and artificial, that the dissolved oxygen amount that can provide directly is provided with the water surface is very low for ambient atmosphere at normal temperatures, and the just feasible by day photosynthesis of waterplant need increases the dissolved oxygen in the water, but waterplant changes one's profession to consume the respiration of oxygen during night, so dissolved oxygen amount descends, if the dissolved oxygen in water amount is too low, microorganism in the water can't decomposing organic pollutant, cause aqueous systems to present anaerobic state, use very wide so can stablize and roll up the oxygen that manually exposes to the sun of dissolved oxygen in water amount.

Yet the aerator of generally commonly using has two kinds of direct stirring-type and submerged waters, directly stirring-type is to install paddle wheel on motor drive shaft, and rotate to strike waters by paddle wheel and produce spray and bubble and quicken extraneous air and dissolve in to water, but this aeration mode is for the pond in big footpath or flow velocity wastewater disposal basin faster, then can make the oxygen efficiency that exposes to the sun relatively poor and the oxygen scope of exposing to the sun is too small, and another submerged water is will to be sent in the water from the air of a tracheae by the motor apparatus of submerged, but this air is also failed and the water body thorough mixing, obviously in the water to contain the increase of oxygen rate also limited.

Summary of the invention

Therefore, the purpose of this utility model is at above-mentioned problem, propose a kind of submerged water gas-liquid and mix aerator, thereby can solve the above problems, it is a high turbulent state of utilizing a static helical stir pipe to be produced, and the particle diameter of bubble is reduced, and increase the contact area of gas-liquid, and have the structure of preferred configuration size.

Another purpose of the present utility model is to provide a kind of submerged water gas-liquid to mix aerator, and it can save the fine and intensive high oxygen dissolved aerator of bubble particles that the energy and cost are exported simultaneously.

A purpose more of the present utility model is to provide a kind of submerged water gas-liquid to mix aerator, and its integral body is to be arranged in the liquid, so have the noise and the minimizing that are produced when reducing motor running that the spatial advantage is set.

The purpose of this utility model realizes by following technical proposals, the utility model provides a kind of submerged water gas-liquid to mix aerator, it is by a gas-liquid mixed chamber that is provided with a water-in and an inlet mouth, an one static helical stir pipe and a diffuser tube are formed, static helical stir pipe includes built-in end and exposed junction, and diffuser tube is arranged on the exposed junction of static helical stir pipe, and in the gas-liquid mixed chamber, be mixed into a gas liquid mixture by water-in liquid that enters and a gas of introducing by inlet mouth, and the built-in end of static helical stir pipe is that to be positioned at gas-liquid mixed indoor, and make the gas liquid mixture that enters static helical stir pipe produce high turbulent state, the particle diameter of the bubble of gas liquid mixture is reduced, and diffuser tube is sent gas liquid mixture to the liquid of desiring aeration, contain the oxygen rate to reach to improve in the liquid, the utility model is applicable to various useless, the usefulness of sewage disposal or breed pond oxygen supply.

Illustrate in detail below by the specific embodiment conjunction with figs., so that be more prone to the effect understanding the purpose of this utility model, technology contents, characteristics and reached.

Description of drawings

Fig. 1 is a perspective view of the present utility model;

Fig. 2 is a structure cross-sectional schematic of the present utility model;

Fig. 3 is an enforcement aspect synoptic diagram of the present utility model;

Fig. 4 is the enforcement aspect synoptic diagram of internal cross section of the present utility model.

Figure number explanation: gas-liquid mixed chambers 2; 4 static helical stir pipes; 6 diffuser tubes; 8 water-ins; 10 inlet mouths; 12 built-in ends; 14 exposed junctions; 16 motors; 18 liquid tanks; 20 air suction pipes.

Embodiment

In the method for wastewater treatment now, carrying out a biological disposal upon is most economical effective and necessary processing program.Biological treatment mainly is divided into happy expression/aerobic (Aerobic) and is sick of/anaerobism (Anaerobic) two big classifications.But with regard to popularization, accessibility and stability, happy expression is handled occupation rate up to more than 80%.Happy expression is handled topmost key and then is how to fill part effectively with in the airborne oxygen input water, stirs and supply with the required oxygen amount of microbiological degradation pollutant and how to produce good and complete blended, to avoid the precipitation accumulation of biological sludge.This shows, with regard to aerator, in the field of biological treatment for concerning a ring of success or failure.

The utility model is to mix aerator for a kind of submerged water gas-liquid, at first see also Fig. 1 and 2, it is by a gas-liquid mixed chamber 2 that submerged water gas-liquid of the present utility model mixes aerator, an one static helical stir pipe 4 and a diffuser tube 6 are formed, the position is provided with water-in 8 on gas-liquid mixed chamber 2 and in the face of static helical stir pipe 4 places, and be provided with inlet mouth 10 with respect to a side of static helical stir pipe 4, and water-in 8 is for having a tapered hole of a tapering, and tapering to be central axis with tapered hole be between 22～25 degree angles, and the dimension scale of the internal diameter of this tapered hole and external diameter is 1: 1.68; Static helical stir pipe 4 comprises a built-in end 12 and an exposed junction 14, built-in end 12 is to be positioned at gas-liquid mixed chamber 2, the built-in end 12 of static helical stir pipe 4 is distances that a dimension scale is arranged with the inner diameter location place of the tapered hole of water-in 8, and dimension scale is between 1/4 internal diameter～1/3 internal diameter; Diffuser tube 6 is the exposed junctions 14 that are arranged at static helical stir pipe 4, and diffuser tube 6 is for having a tapered tube of a tapering, and tapering to be central axis with tapered tube be 7 degree angles, wherein gas-liquid mixed chamber 2 is between 1: 4～1: 6 with the length dimension ratio of diffuser tube 6.

Submerged water gas-liquid of the present utility model mixes aerator when implementing, see also Fig. 3 and 4, when one motor 16 activates, motor 16 is squeezed into the liquid of a liquid tank 18 in the water-in 8, and utilize venturi principle to make liquid pass through and produce negative pressure (being lower than barometric point) to the water-in 8 of tapered hole, and will suck via the gas that an air suction pipe 20 enters in the gas-liquid mixed chamber 2, become a gas liquid mixture with liquid mixing, wherein an end of air suction pipe 20 is exposed to liquid level and can contacts with the gas in the external world, and gas can be air or oxygen, then, gas liquid mixture is advanced into the effect that static helical stir pipe 4 reaches stirring by the liquid of the high flow rate that motor 16 is got, and utilize static helical stir pipe 4 can make gas liquid mixture produce high turbulent state, and the particle diameter of the bubble of gas liquid mixture can be reduced, increase the contact area of gas-liquid, make quite fine and intensive the dissolving in the liquid of bubble particles, and because the average ascent rate of small particle size bubble is less than big particle diameter bubble, therefore also can increase the duration of contact of gas-liquid, and can increase the molten tolerance of unit wasted work, last diffuser tube 6 is sent gas liquid mixture to the liquid of desiring aeration with high-velocity jet and diffusion, and can reach the advantage that contains the raising of oxygen rate of the liquid that makes in the liquid tank 18.

Comprehensively described, a kind of submerged water gas-liquid of the present utility model mixes aerator can improve dissolved oxygen amount in the water, singly be not suitable for the usefulness of aquaculture oxygen supply, also be applicable to the work that effluent sewage is handled, the utility model can effectively increase the oxygenation rate in the sewage, high effluent cycle rate, high area coverage, but and has noiselessness, low operating cost are saved construction period and expense with Fast Installation a advantage, and it is of the present utility model simple in structure and do not have a rotary parts, so mechanical reliability height, and must not increase the additional maintenance expense.

The above is preferred embodiment of the present utility model only, is not to be used for limiting the scope that the utility model is implemented.So all equalizations of being made according to the described shape of the utility model application range, structure, feature and spirit change or modify, and all should be included in the utility model institute claim.

Claims

1, a kind of submerged water gas-liquid mixes aerator, it is characterized in that it comprises:

One gas-liquid mixed chamber, it is provided with a water-in and an inlet mouth, and is mixed into gas liquid mixture by this water-in liquid that enters and the gas of being introduced by this inlet mouth in this gas-liquid mixed chamber;

One static helical stir pipe, it comprises built-in end and exposed junction, this built-in end is that to be positioned at this gas-liquid mixed indoor, and makes this gas liquid mixture that enters this static state helical stir pipe produce high turbulent state, and the particle diameter of the bubble of this gas liquid mixture is reduced; And

One diffuser tube, it is this exposed junction that is arranged at this static state helical stir pipe, and this diffuser tube sends this gas liquid mixture to the liquid of desiring aeration, contains the oxygen rate to reach to improve in the liquid.

2, submerged water gas-liquid according to claim 1 mixes aerator, it is characterized in that this water-in is arranged on this gas-liquid mixed chamber and in the face of this static state helical stir pipe, and this inlet mouth is a side that is relatively arranged on this static state helical stir pipe.

3, submerged water gas-liquid according to claim 1 mixes aerator, it is characterized in that this water-in is the tapered hole with tapering.

4, submerged water gas-liquid according to claim 3 mixes aerator, it is characterized in that this tapering is that central axis with this tapered hole is between 22～25 degree angles.

5, submerged water gas-liquid according to claim 4 mixes aerator, it is characterized in that the internal diameter of this tapered hole and the dimension scale of external diameter are 1: 1.68.

6, submerged water gas-liquid according to claim 1 mixes aerator, it is characterized in that the built-in end of this static state helical stir pipe and the inner diameter location place of this tapered hole have one apart from dimension scale, and this dimension scale is between 1/4 internal diameter～1/3 internal diameter.

7, submerged water gas-liquid according to claim 1 mixes aerator, and the length dimension ratio that it is characterized in that this gas-liquid mixed chamber and this diffuser tube was between 1: 4～1: 6.

8, submerged water gas-liquid according to claim 1 mixes aerator, it is characterized in that this diffuser tube is the tapered tube with tapering.

9, submerged water gas-liquid according to claim 8 mixes aerator, it is characterized in that this tapering is that central axis with this tapered tube is 7 degree angles.