CN203284243U

CN203284243U - Double-pipe-type underwater aerating device

Info

Publication number: CN203284243U
Application number: CN2013203403005U
Authority: CN
Inventors: 叶青; 方勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-06-14
Filing date: 2013-06-14
Publication date: 2013-11-13
Anticipated expiration: 2023-06-14

Abstract

The utility model discloses a double-pipe-type underwater aerating device, belongs to the technical field of aerating equipment, and aims at overcoming the defects that an underwater aerating device in the prior art is poor in the aspect of stirring the aerating pool bottom and low in oxygen supplying strength, and an aerating hole is blocked easily. The double-pipe-type underwater aerating device comprises an outer pipe and an inner pipe which have different diameters. The inner pipe is sleeved with the outer sleeve, an aerating port is formed in the upper end of an aerating head, the lower end of the aerating head is connected with a gas pipe, a gas baffle is arranged above the aerating port, and the outer pipe and the inner pipe are respectively connected with an exhaust pipe of a compressor through the gas pipe. A micro-hole pipe is arranged on the lower portion inside the inner pipe, the length of the micro-hole pipe is 1/3-3/4 of the total length of the aerating head, a center shaft is arranged on the center line on the upper portion inside the inner pipe, the gas baffle plate is arranged on the center shaft in a sliding and sleeved mode, and a baffle block is arranged at the top end of the center shaft. By means of the double-pipe-type underwater aerating device, the purposes that a large amount of oxygen is supplied to pool water and all phases inside a mixture pool are stirred are achieved, and the problem that mud inside the pool blocks the aerating port is effectively prevented.

Description

A kind of double hose underwater aeration device

Technical field

The utility model relates to a kind of underwater aeration device, more particularly, relates to a kind of double hose underwater aeration device.

Background technology

In water technology, aerator is the key equipment of feedwater Biological Pretreatment, biological sewage treatment.The function of aerator is to take certain technical measures, by aerating apparatus with airborne oxygen transfer in the liquid of aeration tank, to supply with the needed oxygen amount of aerobe metabolism, the water body in pond is carried out evenly mixing fully simultaneously, reach the purpose of biological treatment.

The aerator commonly used of prior art mainly is divided into surface aeration equipment, blast aeration equipment, aerator, pure oxygen aeration equipment and deep well aeration equipment under water.In aeration tank, bottom water is the water body that sunlight is not enough, transparency is less, in bottom water, the photosynthesis of algae can not normally carry out by day, the bottom dissolved oxygen amount lacks a lot than top layer, so the bottom of aeration tank is anoxic and the position of being badly in need of oxygen supply, aerator under water of the prior art is to pour air at water bottom or middle level, with water body is full and uniform, mixes, complete the transfer of oxygen from the gas phase to the liquid phase, and have the function of stirring.

China Patent Publication No. CN2598999Y, open day is on January 14th, 2004, denomination of invention is mixed stirring underwater aerator, this application case discloses a kind of mixed stirring underwater aerator, comprises the pneumatic tube and the support that are provided with compressor air-discharging pipe connected pipe joint, and aeration head consists of rotor and distribution aeration tube thereon, be equipped with production well on each aeration tube, motor is installed on support, and rotor one end of aeration head is fixedly connected with motor, the other end connecting gas transmission pipe of rotor, its principle with pressurized air in aeration head sprays into water under with the high speed rotating state, the instantaneous aeration tube that is rotated of pressurized gas that sprays in water is broken up, improve dissolved oxygen content in water with this, its weak point is that solarization air cap easily stops up, extra motor need to be provided, need to provide extra electric energy on the one hand, pool bottom environment is complicated on the other hand, the maintenance cost of motor can be higher, and can not be to producing stirring in a big way at the bottom of pond, can make at the bottom of pond only higher near oxygen concn in the subrange of aeration opening, the oxygen concn at other positions is still lower.

The utility model content

1. the utility model technical problem that will solve

The purpose of this utility model be overcome in prior art underwater aeration device to aeration tank at the bottom of a little less than stirring capacity, oxygen supply intensity is low, the susceptible to plugging deficiency of solarization air cap provides a kind of double hose underwater aeration device.

2. technical scheme

For achieving the above object, the technical scheme that the utility model provides is:

A kind of double hose underwater aeration device of the present utility model, comprise compressor, pneumatic tube and aeration head, aeration head comprises the unequal outer tube of diameter and inner tube, above-mentioned outer tube sleeve is in the outside of inner tube, the upper end of aeration head is provided with aeration opening, the lower end of aeration head is connected with pneumatic tube, is provided with a gas block panel above aeration opening, and the vapor pipe of compressor is connected with outer tube, inner tube respectively by pneumatic tube; Bottom in described inner tube pipe is provided with the microporous pipe of vertical arrangement, microporous pipe length is 1/3 ~ 3/4 of aeration head total length, on central upper portion line position in the inner tube pipe, a central shaft is set, gas block panel slides and is sleeved on above-mentioned central shaft, and this central shaft top is provided with block.

Preferably, the longitudinal cross-section of described gas block panel is "T"-shaped, along its vertical centerline direction, has a through hole, this through hole match with central shaft and the aperture of through hole greater than the diameter 2 ~ 4mm of central shaft.

Preferably, described outer tube and inner tube are compressor gas supplied by two covers respectively, can the free adjustment oxygen delivery capacity and the size of stirring capacity.

3. beneficial effect

The utility model is compared with the underwater aeration device of prior art, has following unusual effect:

(1) a kind of double hose underwater aeration device of the present utility model, the aeration head of aerator is combined by the unequal outer tube of diameter and inner tube, two pipelines do not share same set of compressor, can pass into different gas, can pass into pure oxygen in inner tube, improve oxygen concentration gradient, strengthen oxygen supply, can pass into the larger air of flow velocity in outer tube, the stirring capacity at the bottom of the reinforcement pond;

(2) a kind of double hose underwater aeration device of the present utility model, bottom in the inner tube pipe is provided with the microporous pipe that close-packed arrays, compare with gas stone or other aeration tubes, the bubble that microporous pipe produces is much smaller, bubble is less, the gas-to-liquid contact face is larger, and the residence time in water is longer, and oxygenation effect is better;

(3) a kind of double hose underwater aeration device of the present utility model, the longitudinal cross-section of the gas block panel that aeration head top arranges is "T"-shaped, its lower end can be stretched in inner tube, aerator when work gas block panel will be backed down by air-flow and form an aeration opening, enlarged greatly the stirring capacity at the bottom of pond and stirring scope, can be so that bacterium and other each phase materials of bottom, aeration tank be in suspended state, when aerator quits work, gas block panel falls under the effect of gravity, the sealing aeration opening, can effectively prevent the blocking microporous pipe of pool bottom sludge;

(4) a kind of double hose underwater aeration device of the present utility model, its inner and outer tubes carry out air feed by two cover compressors respectively, can regulate respectively the size of oxygen delivery capacity and stirring capacity, save power consumption.

Description of drawings

Fig. 1 is the structural representation of a kind of double hose underwater aeration device of the present utility model;

Fig. 2 is the sectional view of aeration head in the utility model.

Each parts label in figure:

The 1-outer tube; The 2-inner tube; The 3-gas block panel; The 4-microporous pipe; The 5-central shaft; The 6-aeration opening; The 7-pneumatic tube; The 8-aeration head; The 9-block.

Embodiment

, for further understanding content of the present utility model, Characteristic, by reference to the accompanying drawings the utility model is described in detail:

a kind of double hose underwater aeration device shown in Figure 1, comprise compressor, pneumatic tube 7 and aeration head 8, aeration head 8 comprises the unequal outer tube 1 of diameter and inner tube 2, above-mentioned outer tube 1 is enclosed within the outside of inner tube 2, the upper end of aeration head 8 is provided with aeration opening 6, the lower end of aeration head 8 is connected with pneumatic tube 7, be provided with a gas block panel 3 above aeration opening 6, the longitudinal cross-section of this gas block panel 3 is "T"-shaped, have a through hole along its vertical centerline direction, on central upper portion line position in inner tube 2 pipes, a central shaft 5 is set, gas block panel 3 slides and is sleeved on above-mentioned central shaft 5, above-mentioned through hole match with central shaft 5 and the aperture of through hole greater than the diameter 2 ~ 4mm of central shaft 5, bottom in inner tube 2 pipes is provided with the microporous pipe 4 of vertical arrangement, microporous pipe 4 length are 1/3 ~ 3/4 of aeration head 8 total lengths, be provided with block 9 on central shaft 5 tops, be used for stoping gas block panel 3 to break away from aerating apparatus, the utility model adopts two cover compression machine equipments to its air feed, two the cover compressors vapor pipes by pneumatic tube 7 respectively with outer tube 1, inner tube 2 is connected, namely the vapor pipe of a cover compressor is connected with outer tube 1, the vapor pipe of another set of compressor is connected with inner tube 2.

Below in conjunction with embodiment, the utility model is further described:

Embodiment 1

as depicted in figs. 1 and 2, a kind of double hose underwater aeration device of the present embodiment, comprise compressor, pneumatic tube 7 and aeration head 8, aeration head 8 comprises the unequal outer tube 1 of diameter and inner tube 2, be provided with a gas block panel 3 above aeration opening 6, the longitudinal cross-section of this gas block panel 3 is "T"-shaped, open a through hole along its vertical centerline direction, on central upper portion line position in inner tube 2 pipes, a central shaft 5 is set, gas block panel 3 slides and is sleeved on above-mentioned central shaft 5, above-mentioned through hole match with central shaft 5 and the aperture of through hole greater than the diameter 2mm of central shaft 5, the microporous pipe 4(that bottoms in inner tube 2 pipe are provided with vertical arrangement as shown in Figure 2), microporous pipe 4 length are 2/3 of aeration head 8 total lengths, be threaded connection a block 9 on central shaft 5 tops, be used for stoping gas block panel 3 to break away from aerating apparatus.the present embodiment adopts two cover compression machine equipment air feed, two the cover compressors vapor pipes by pneumatic tube 7 respectively with outer tube 1, inner tube 2 is connected, the oxygen that connects the compressor supply of inner tube 2 can produce more than quantity and very little bubble in by microporous pipe 4, these bubbles and surrounding liquid contact surface are very large, also improved the utilization ratio of oxygen in the intensity that has improved oxygen supply, the compressor air supply that is connected with outer tube 1, adopt large flow air feed, aeration tank is played the effect of good stirring, and oxygen enrichment Chi Shui can be delivered to the position far away apart from aeration opening 6, incoming flow supplements oxygen deprivation Chi Shui simultaneously, pass through again oxygen enrichment, discharge and form circulation, thereby realize the strong oxygen supply of aeration tank and the effect that stirs.

During aerator work, the gas that compressor is carried is delivered to respectively in the outer tube 1, inner tube 2 of aeration head 8 by pneumatic tube 7, gas just can be to air feed in pond after backing down gas block panel 3, when aeration finishes, the closes compression electromechanical source, compressor stops air feed, and gas block panel 3 falls to sealing aeration opening 6 under action of gravity, prevented sludge blockage aeration opening 6 in pond.

Below schematically to and embodiment be described, this description does not have restricted, shown in accompanying drawing is also one of embodiment of the present utility model, actual structure is not limited to this.So,, if those of ordinary skill in the art is enlightened by it, in the situation that do not break away from the utility model, create aim,, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.

Claims

1. double hose underwater aeration device, comprise compressor, pneumatic tube (7) and aeration head (8), it is characterized in that: described aeration head (8) comprises the unequal outer tube of diameter (1) and inner tube (2), above-mentioned outer tube (1) is enclosed within the outside of inner tube (2), the upper end of aeration head (8) is provided with aeration opening (6), the lower end of aeration head (8) is connected with pneumatic tube (7), be provided with a gas block panel (3) in the top of described aeration opening (6), the vapor pipe of compressor is connected with outer tube (1), inner tube (2) respectively by pneumatic tube (7); Bottom in described inner tube (2) pipe is provided with the microporous pipe (4) of vertical arrangement, described microporous pipe (4) length is 1/3 ~ 3/4 of aeration head (8) total length, on central upper portion line position in inner tube (2) pipe, a central shaft (5) is set, gas block panel (3) slides and is sleeved on above-mentioned central shaft (5), and described central shaft (5) top is provided with block (9).

2. a kind of double hose underwater aeration device according to claim 1, it is characterized in that: the longitudinal cross-section of described gas block panel (3) is "T"-shaped, have a through hole along its vertical centerline direction, this through hole match with described central shaft (5) and the aperture of through hole greater than the diameter 2 ~ 4mm of central shaft (5).

3. a kind of double hose underwater aeration device according to claim 2 is characterized in that: described outer tube (1) and inner tube (2) are compressor gas supplied by two covers respectively.