CN-121990668-A - Air supporting flocculation agitating unit

Abstract

The invention relates to the technical field of water treatment equipment, and provides an air floatation flocculation stirring device which comprises a supporting plate, wherein a stirring shaft capable of rotating along the axis of the supporting plate is arranged on the supporting plate, a rotary joint capable of rotating relative to the stirring shaft is sleeved on the outer wall of the stirring shaft, the rotary joint is connected with an external air pump through an air inlet pipe on one side, an air guide cavity penetrating through the bottom wall of the stirring shaft is axially formed in the stirring shaft, and a plurality of air guide holes communicated with the air guide cavity are circumferentially formed in the outer wall of the stirring shaft. The invention overcomes the defects of the prior art, has reasonable design and compact structure, and through arranging the air guide cavity and the air guide hole in the stirring shaft and arranging the mutually communicated air flow passage in the stirring aeration unit, the air entering from the air inlet pipe is released through the aeration micro-holes after passing through the air flow passage, and when the stirring shaft rotates to drive the stirring aeration component to rotate, the synchronous implementation of flocculation stirring and aeration is realized, the treatment efficiency is improved, the site construction is reduced, and the cost is reduced.

Inventors

• SUO YAN
• SUO XINXIN
• Suo Fengke
• NAN LAN

Assignees

• 无锡聚净环境科技有限公司

Dates

Publication Date

20260508

Application Date

20260401

Claims (10)

1. 1. The air flotation flocculation stirring device comprises a supporting plate (1) and is characterized in that a stirring shaft (2) capable of rotating along the axis of the supporting plate (1) is arranged on the supporting plate (1), a rotary joint (3) capable of rotating relative to the stirring shaft (2) is sleeved on the outer wall of the stirring shaft, the rotary joint (3) is connected with an external air pump through an air inlet pipe (31) at one side, an air guide cavity (21) penetrating through the bottom wall of the stirring shaft (2) is formed in the stirring shaft along the axial direction of the stirring shaft, a plurality of air guide holes (22) communicated with the air guide cavity (21) are circumferentially arranged on the outer wall of the stirring shaft (2), and the air guide holes (22) are all arranged in the rotary joint (3) and are communicated with the inner cavity of the stirring shaft; The bottom of (2) stirring aeration unit is connected with, stirring aeration unit includes connecting axle (41) of being connected with (2) stirring axle bottom, the outer wall circumference of connecting axle (41) is equipped with a plurality of stirring aeration components (42), stirring aeration components (42) are including a pair of air guide pole (421) of arranging from top to bottom, two be equipped with stirring board (422) between air guide pole (421), a plurality of aeration micropore (423) have evenly been seted up on the surface of stirring board (422), all be equipped with the gas runner of intercommunication in connecting axle (41), air guide pole (421) and stirring board (422), make follow after gas that intake pipe (31) got into passes through gas runner and aerifys micropore (423) release.
2. 2. An air-floating flocculation stirring device as claimed in claim 1, wherein a plurality of stirring plates (422) are equidistantly arranged between two air guide rods (421), and gaps are formed between adjacent stirring plates (422).
3. 3. The air-floating flocculation stirring device according to claim 1, wherein the outer wall of the connecting shaft (41) is sleeved with a impurity removing unit, the impurity removing unit comprises a lantern ring (51) sleeved on the outer wall of the connecting shaft (41) and capable of moving along the axial direction of the connecting shaft, a pair of knife boards (52) are circumferentially arranged on the outer wall of the lantern ring (51), and the knife boards (52) arranged in pairs are respectively arranged on two sides of the stirring board (422).
4. 4. An air-floating flocculation stirring device as set forth in claim 3, further comprising a lifting unit, wherein the lifting unit comprises a lifting ring (61) sleeved on the outer wall of the stirring shaft (2) and capable of moving along the axial direction of the lifting ring, a plurality of connecting plates (62) are circumferentially connected to the outer wall of the lifting ring (61), and one side, far away from the lifting ring (61), of the connecting plates (62) is connected with the lantern ring (51); The outer wall cover of lift ring (61) is equipped with lift cover (71), the inside threaded connection of lift cover (71) one side has lead screw (72), and inside grafting of opposite side has guide bar (73), lead screw (72), guide bar (73) are all vertical setting.
5. 5. The air-floatation flocculation stirring device according to claim 4, wherein the connecting plate (62) is detachably connected with the lifting ring (61) and the lantern ring (51), the connecting lugs (53) are circumferentially arranged on the outer wall of the lantern ring (51), the first connecting holes (54) are formed in pairs on each connecting lug (53), the lower ring (611) is arranged at the bottom of the lifting ring (61), a plurality of second connecting holes (612) which are arranged in pairs are circumferentially arranged on the lower ring (611), connecting protrusions (621) are formed at the upper end and the lower end of the connecting plate (62) towards one side, and third connecting holes (622) which are matched with the first connecting holes (54) and the second connecting holes (612) are symmetrically formed in the connecting protrusions (621) so as to be connected through matching of bolts and nuts.
6. 6. An air-floating flocculation stirring device as set forth in claim 4 or 5, wherein an upper ring (613) is provided at the top of the lifting ring (61), and the upper ring (613) is rotatably connected to the inside of the lifting sleeve (71).
7. 7. An air-floating flocculation stirring device as set forth in claim 4, wherein the outer wall of the stirring shaft (2) is provided with a boss (24) along the axial direction thereof, and the interior of the lifting ring (61) is provided with a shaft groove matched with the boss (24) along the axial direction thereof.
8. 8. The air-floating flocculation stirring device according to claim 1, wherein the bottom of the stirring shaft (2) and the upper side and the lower side of the connecting shaft (41) are respectively provided with a connecting flange, the connecting flange at the top of the connecting shaft (41) is provided with a first sealing ring (411), and the connecting flanges at the bottoms of the stirring shaft (2) and the connecting shaft (41) are provided with annular sealing grooves (412) matched with the first sealing ring (411).
9. 9. An air-floating flocculation stirring device as set forth in claim 8, wherein the bottom wall of the connecting shaft (41) is provided with a base (8), the bottom of the base (8) is a flange plate matched with the flange at the bottom of the connecting shaft (41), and the top is a second sealing ring (81) matched with the sealing groove (412).
10. 10. The air-floating flocculation stirring device as set forth in claim 1, wherein a plurality of stirring aeration units are sequentially arranged at the bottom of the stirring shaft (2) to realize the extension of stirring depth.

Description

Air supporting flocculation agitating unit Technical Field The invention relates to the technical field of water treatment equipment, in particular to an air floatation flocculation stirring device. Background The air floatation method is a high-efficiency technology for treating suspended matters, colloid, grease and other pollutants in water, is widely applied to the treatment of water supply, urban sewage and industrial wastewater, and has the core principle that a large number of micro bubbles are introduced into the water, the water-soluble polymer is adhered to 'flocs' formed by flocculation in water to form a 'gas-flocs' composite with overall density smaller than that of water, so that the water-soluble polymer quickly floats to the water surface by virtue of buoyancy, and solid-liquid separation is realized. The traditional air floatation process generally comprises three independent units, namely a flocculation reaction unit, a dissolved air release unit and an air floatation separation unit, wherein the flocculation reaction unit generally adopts a mechanical stirring or hydraulic stirring mode to enable coagulant to fully react with impurities in water to form flocs, and then the water containing the flocs enters an air floatation tank to be contacted with micro bubbles from a dissolved air release pipe, however, the traditional process needs to respectively construct a flocculation tank and an air floatation tank, has huge equipment, wide occupied area and high construction cost, and therefore, the air floatation flocculation stirring device is provided. Disclosure of Invention Aiming at the defects of the prior art, the invention provides the air floatation flocculation stirring device, which overcomes the defects of the prior art, has reasonable design and compact structure, and solves the problems of large equipment, wide occupied area and high capital construction cost of the existing water treatment process, which needs to respectively construct a flocculation tank and an air floatation tank. The invention aims at achieving the purposes by the following technical scheme that the air flotation flocculation stirring device comprises a supporting plate, wherein a stirring shaft capable of rotating along the axis of the supporting plate is arranged on the supporting plate, a rotary joint capable of rotating relative to the stirring shaft is sleeved on the outer wall of the stirring shaft, the rotary joint is connected with an external air pump through an air inlet pipe on one side, an air guide cavity penetrating through the bottom wall of the stirring shaft is axially arranged in the stirring shaft, a plurality of air guide holes communicated with the air guide cavity are circumferentially arranged on the outer wall of the stirring shaft, and the air guide holes are all arranged in the rotary joint and are communicated with the inner cavity of the stirring shaft; The bottom of (mixing) shaft is connected with stirring aeration unit, stirring aeration unit includes the connecting axle of being connected with the (mixing) shaft bottom, the outer wall circumference of connecting axle is equipped with a plurality of stirring aeration parts, stirring aeration part includes a pair of air guide pole of arranging from top to bottom, two be equipped with the stirring board between the air guide pole, a plurality of aeration micropore have evenly been seted up on the surface of stirring board, all be equipped with the gas runner of mutual intercommunication in connecting axle, air guide pole and the stirring board, make follow the gas that the intake pipe got into passes through the aeration micropore release after the gas runner. Preferably, a plurality of stirring plates are equidistantly arranged between the two air guide rods, and gaps are reserved between the adjacent stirring plates. Preferably, the outer wall cover of connecting axle is equipped with edulcoration unit, the edulcoration unit is including the cover to establish at the connecting axle outer wall and can follow its axial motion's lantern ring, the outer wall circumference of lantern ring is equipped with the cutting board of pair, and the cutting board of pair setting divides to establish in the both sides of stirring board. Preferably, the stirring device further comprises a lifting unit, wherein the lifting unit comprises a lifting ring which is sleeved on the outer wall of the stirring shaft and can axially move along the stirring shaft, the outer wall of the lifting ring is circumferentially connected with a plurality of connecting plates, and one side, far away from the lifting ring, of each connecting plate is connected with the lantern ring; the outer wall cover of lift ring is equipped with the lift cover, the inside threaded connection of lift cover one side has the lead screw, and the inside grafting of opposite side has the guide bar, lead screw, guide bar are all vertical setting. Preferably, the connecting plate is deta