CN206901867U - Blast aerator - Google Patents

Abstract

The utility model belongs to water, waste water, the processing technology field of sewage or sludge, a kind of blast aerator, including air blower, gas-distribution pipe and diffusion structure, air blower is connected with gas-distribution pipe, the diffusion structure includes the Support bracket for being fixed on gas-distribution pipe top, diffuser plate is installed on Support bracket, air chamber is surrounded between diffuser plate and Support bracket, the air chamber is connected with gas-distribution pipe by bolt of ventilating, the gas-distribution pipe hangs inside is connected with conically shaped, from top to bottom barrel dliameter is gradually reduced the conically shaped, welded with gas-distribution pipe the upper end of conically shaped, the lower end of conically shaped, which is provided with, collects hole, disposable box is fixed with the collection hole, air inlet is tangentially provided with the barrel of conically shaped；In the screw rod insertion conically shaped of the ventilation bolt, the free end of the screw rod is connected with the separator tube of arc.The utility model design of the present utility model, without peripheral hardware air filtration structure, effectively prevents blocked area from expanding, and extends the service life of diffuser plate.

Description

Blast aerator

Technical field

The utility model belongs to the processing technology field of water, waste water, sewage or sludge.

Background technology

Aeration refers to artificially be passed through air into biochemical aeration tank by appropriate equipment so that the oxygen in air is transferred to exposure Process in gas pond.The main function of aeration is also stirred effect, keeps the activated sludge in aeration tank in addition to oxygen supply Levitation device, it is sufficiently mixed and contacts with the organic matter in sewage and dissolved oxygen, so as to ensures that microorganism is sufficient molten in aeration tank Under conditions of solving oxygen, oxidation Decomposition is carried out to the organic matter in sewage.

Aerator, also known as air-diffuser, it is the visual plant of activated Sludge System, for being passed through into aeration tank Air, wherein relatively common is blast aerator, it is made up of air blower, diffusion structure and gas-distribution pipe, and air blower will Air is by a series of pipelines to the aerator for being installed on aeration tank bottom, by diffusion structure, by the oxygen in air It is transferred in mixed liquor.Aerator is divided into stingy alveolitoid, middle air bubble type and big by Air Bubble Size according to caused by aerator 3 kinds of air bubble type, wherein common stingy alveolitoid aerator is included diffusion disc, anemostat and with micro-porous permeable material（Set Figure, aluminum oxide, silica and nylon etc.）Manufactured diffuser plate, caused bubble diameter is in below 2mm, this kind of stingy alveolitoid The shortcomings that aerator, is：1st, it is mingled with perhaps in the air that the generation of bubble conveys by the micropore on diffuser plate, air blower More dusts, dust can block the micropore on diffuser plate, after blocked area reaches more than 80%, then must change diffuser plate, so Cause the service life of diffuser plate to reduce, while increase the diffusional resistance of air, influence bubble generation.

Utility model content

The utility model, which is intended to offer one kind, can effectively prevent the expansion of diffuser plate blocked area, extension diffuser plate from using the longevity The blast aerator of life.

The technical solution of the utility model is：Blast aerator, including air blower, gas-distribution pipe and diffusion structure, air blast Machine is connected with gas-distribution pipe, and the diffusion structure includes the Support bracket for being fixed on gas-distribution pipe top, and diffusion is provided with Support bracket Plate, air chamber is surrounded between diffuser plate and Support bracket, the air chamber is connected with gas-distribution pipe by bolt of ventilating, the gas-distribution pipe Hangs inside is connected with conically shaped, and from top to bottom barrel dliameter is gradually reduced the conically shaped, and upper end and the gas-distribution pipe of conically shaped weld, cone The lower end of shape cylinder, which is provided with, collects hole, is fixed with disposable box at the collection hole, air inlet is tangentially provided with the barrel of conically shaped；It is described Ventilate in the screw rod insertion conically shaped of bolt, the free end of the screw rod is connected with the separator tube of arc.

Beneficial effect：The utility model blast aerator is arranged in aeration tank bottom, and air blower sets blast velocity Afterwards, the air in the external world is introduced by gas-distribution pipe, due to the suspension setting conically shaped in gas-distribution pipe, the air in gas-distribution pipe passes through From air inlet tangentially enter conically shaped in, formed in conically shaped the material such as swirling air stream, the dust being mingled with air by from Mental and physical efforts are thrown toward conically shaped inwall, then enter receipts eventually through hole is collected along downslide inside conically shaped under gravity Collect in box；At the same time, the air of rising enters separator tube, and separator tube causes the speed of air to decline, so that in air Remaining dust settling；The air that the utility model introduces without peripheral hardware air filtration structure, during use from the external world passes through taper After the removal of impurities of cylinder, separator tube two-stage is handled, most dust is eliminated, finally only very small amount of dust and diffusion Plate contacts, and hardly influences the generation of bubble, while effectively can prevent blocked area from expanding, and extends the use of diffuser plate Life-span.

Further, the separator tube includes at least one downward kink, and air, which rises, first to be impinged upon at kink, is made Zooming air is stopped so as to reduce speed, remaining dust in air, can be curved because air velocity reduces Folding part gradually falls and exits separator tube, is again introduced into vortical flow and carries out final dusting.

Further, supporting table is provided with the Support bracket, supporting table side is connected with the gland of arc, diffuser plate insertion In support groove and compression is glanded, such design when the diffuser plate for being is installed more facilitates.

Further, the disposable box is snapped down in disposable box built with activated sludge, dust along conically shaped barrel, finally Activated sludge surface is adhered to, the dust that can prevent from being separated is taken away by air again.

Further, have rubber blanket on the pressure surface of the gland, avoid gland from being contacted firmly with diffuser plate when compressing, prevent from expanding Fall apart and produce slight crack.

Brief description of the drawings

Fig. 1 is a kind of structural representation of blast aerator of the utility model.

Embodiment

The utility model is described in further detail below by embodiment：

Reference in Figure of description includes：1- gas-distribution pipes；2- Support brackets；3- glands；4- diffuser plates；5- ventilates Bolt；6- separator tubes；7- conically shapeds；8- disposable boxes；9- air inlets.

As shown in figure 1, a kind of blast aerator, including air blower, gas-distribution pipe 1 and diffusion structure, air blower and distribution The tube head of pipe 1 is connected, and the air outside Peng Fengji introducings is made it into gas-distribution pipe 1, and the tube wall top of gas-distribution pipe 1 passes through spiral shell of ventilating Bolt 5 is provided with Support bracket 2.

The upper end both sides of Support bracket 2 are provided with supporting table, and supporting table side is connected with the gland 3 of arc, the pressure surface of gland 3 Upper to have rubber blanket, the left and right side insertion support groove of diffuser plate 4 is interior and is glanded 3 compressions.Support bracket 2 and diffuser plate 4 Sealing plate is connected between front and rear side, so that surrounds air chamber between diffuser plate 4 and Support bracket 2.Ventilation bolt 5 With passage and in air chamber, the screw rod for bolt 5 of ventilating with passage and inserts in gas-distribution pipe 1, the spiral shell nut Mother is connected with the passage on screw rod.Free end screw thread in screw rod insertion gas-distribution pipe 1 is combined with separator tube 6, the separator tube 6 Extend laterally to bend still further below and once form kink.

Gas-distribution pipe 1 is internally provided with the conically shaped 7 that barrel dliameter from top to bottom is gradually reduced, upper end and the gas-distribution pipe 1 of conically shaped 7 Welded at the top of inwall so that conically shaped 7 is suspended from inside gas-distribution pipe 1, and separator tube 6 is located inside conically shaped 7.The lower end of conically shaped 7 It is provided with and collects hole, disposable box 8, activated sludge of the disposable box 8 built with moistening is welded with the collection hole.The barrel of conically shaped 7 On be provided with tangential air inlet 9.

When blast aerator works, air blower blasts air in gas-distribution pipe 1, and the air in gas-distribution pipe 1 is from air inlet 9 Tangentially enter in conically shaped 7, the material such as swirling air stream, the dust being mingled with air is formed in conically shaped 7 by centrifugal force quilt Get rid of to the inwall of conically shaped 7, then glide under gravity, enter eventually through hole is collected in disposable box 8.At the same time, remove The air of most dust has been gone to may proceed to rise, along separator tube 6, the ventilation air inlet intracavitary of bolt 5, due to separator tube 6 With downward kink, zooming air can be caused to be stopped so as to reduce speed, in air remaining dust because Reduced for air velocity, can gradually be fallen in kink and exit separator tube 6 and enter back into vortical flow, carry out final dusting.

Above-described is only embodiment of the present utility model, and the general knowledge such as known concrete structure and characteristic is herein in scheme Do not describe excessively.It should be pointed out that for those skilled in the art, the premise of the utility model structure is not being departed from Under, several modifications and improvements can also be made, these should also be considered as the scope of protection of the utility model, and these are all without influence The effect and practical applicability that the utility model is implemented.This application claims protection domain should be with the content of its claim It is defined, the record such as embodiment in specification can be used for the content for explaining claim.

Claims (5)

1. blast aerator, including air blower, gas-distribution pipe and diffusion structure, air blower are connected with gas-distribution pipe, the diffusion structure Support bracket including being fixed on gas-distribution pipe top, diffuser plate is installed on Support bracket, enclosed between diffuser plate and Support bracket Into air chamber, the air chamber is connected with gas-distribution pipe by bolt of ventilating, it is characterised in that：The gas-distribution pipe hangs inside is connected with Conically shaped, from top to bottom barrel dliameter is gradually reduced the conically shaped, and upper end and the gas-distribution pipe of conically shaped are welded, and the lower end of conically shaped is provided with Hole is collected, disposable box is fixed with the collection hole, air inlet is tangentially provided with the barrel of conically shaped；The screw rod of the ventilation bolt Insert in conically shaped, the free end of the screw rod is connected with the separator tube of arc.

2. blast aerator according to claim 1, it is characterised in that：The separator tube includes at least one downward Kink.

3. blast aerator according to claim 2, it is characterised in that：Supporting table is provided with the Support bracket, is held Saddle side is connected with the gland of arc, and diffuser plate insertion support groove is interior and is glanded compression.

4. blast aerator according to claim 3, it is characterised in that：The disposable box is built with activated sludge.

5. blast aerator according to claim 4, it is characterised in that：Has rubber blanket on the pressure surface of the gland.