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CN-120841626-B - Sewage air-float treatment device

CN120841626BCN 120841626 BCN120841626 BCN 120841626BCN-120841626-B

Abstract

The invention discloses a sewage air-float treatment device, which relates to the technical field of sewage air-float treatment and comprises a plurality of air guide fins which are symmetrical in center, wherein each air guide fin comprises two fins which are fixedly spliced in a mirror image mode, each fin comprises a first air guide groove, a second air guide groove, a third air guide groove, a fourth air guide groove and a communication groove which are arranged on the same side. In the sewage overflow discharge process, the drainage holes can guide and collect sewage close to the water surface area from the edge to the center, so that the impurity discharge efficiency can be improved.

Inventors

  • Yu Nilin
  • YU YUNHONG
  • Chu Meiyun

Assignees

  • 宜兴市鸿锦水处理设备有限公司

Dates

Publication Date
20260512
Application Date
20250822

Claims (9)

  1. 1. The sewage air floatation treatment device comprises a container with a container side wall (101) and a container bottom wall (102), and an air bubble supply part which is positioned in the container side wall (101) and is close to the container bottom wall (102), and is characterized in that the air bubble supply part comprises a plurality of air guide fins (200) which are symmetrical in center, the air guide fins (200) comprise two fins (201) which are spliced in a mirror image mode, the fins (201) comprise a first air guide groove (211), a second air guide groove (212), a third air guide groove (213), a fourth air guide groove (214) and a communication groove (215) which are arranged on the same side, the first air guide groove (211) on the two fins (201) is spliced to form a first cavity (221), the second air guide groove (212) on the two fins (201) is spliced to form a second cavity (222), the third air guide groove (213) on the two fins (201) is spliced to form a third cavity (223), the fourth air guide groove (214) on the two fins (201) is spliced to form a fourth cavity (224), the first air guide groove (211) on the two fins (201) is spliced to form the second cavity (222), and the second cavity (221) is formed between the first cavity (221) and the second cavity (222) is communicated with the third cavity (222), the two ends of the communicating cavity far away from the second cavity channel (222) are in limit connection with the inner side wall of the container side wall (101); The sewage air floatation treatment device further comprises a drainage component, the drainage component comprises a drainage tube (301) vertically fixedly arranged at the center of the side wall (101) of the container, the top end of the drainage tube (301) is sealed, the bottom end of the drainage tube (301) is communicated with a water inlet of a water pump (305), a water outlet of the water pump (305) is communicated with the inside of the side wall (101) of the container by means of a pipe fitting, a plurality of drainage holes (304) are horizontally and centrally symmetrically formed in the bottom end of the side wall of the drainage tube (301), one end of a communication cavity, far from the second air guide groove (212), is fixedly connected with a sealing ring (203), the center of the sealing ring (203) horizontally penetrates through and fixedly connected with an air inlet pipe (202), one end of the air inlet pipe (202) is communicated with the communication cavity, one end of the bearing tube (204) is fixedly connected with the inner wall of the side wall (101) of the container, one end of the air inlet pipe (202) is far from the side wall of the container, the side wall of the outside air pump is communicated with the side wall of the container, the extending direction of a channel of the second cavity (222) is parallel to the axis of the air inlet pipe (202), and bubbles can be sprayed out of the first cavity (221), the third cavity (223) and the fourth cavity (223) through rotation adjusting fin (201) and the air channel (223) in a slope mode.
  2. 2. The apparatus of claim 1, wherein the air bubble outlets of the first channel (221), the second channel (222), the third channel (223), and the fourth channel (224) are oriented in a horizontal direction or a downward direction based on a clockwise direction in a plan view.
  3. 3. The device for air floatation of sewage treatment according to claim 1, wherein the top end of the side wall of the drainage tube (301) is provided with a plurality of drainage holes (304) horizontally and centrally symmetrically, the top end of the drainage tube (301) is fixedly provided with a sewage collecting box (401), the upper surfaces of the side walls of the sewage collecting box (401) are positioned on the same horizontal plane, the bottom end of the side wall of one side of the sewage collecting box (401) is fixedly connected with a sewage draining pipe (402), and one end of the sewage draining pipe (402) far away from the sewage collecting box (401) penetrates through the side wall (101) of the container and then is communicated with the outside.
  4. 4. A sewage air-float treatment apparatus according to claim 3, wherein the height of the drain pipe (402) at the end far from the sewage collecting box (401) is lower than the height of the drain pipe (402) at the end near to the sewage collecting box (401).
  5. 5. The device for air floatation of sewage treatment according to claim 1, wherein the middle part of the side wall of the drainage tube (301) is provided with a plurality of drainage holes (304) horizontally and centrally symmetrically.
  6. 6. The sewage air floatation treatment device according to claim 1, wherein the bottom end of the drainage tube (301) is fixedly connected with a support tube (302), and the bottom end of the support tube (302) is communicated with the water inlet of the water pump (305) by a pipe fitting after penetrating through the center of the bottom wall (102) of the container downwards.
  7. 7. A sewage air-float treatment apparatus according to any one of claims 1,3 and 5, wherein the axis of the drainage hole (304) is offset from the axis of the drainage tube (301).
  8. 8. A sewage air floatation treatment apparatus according to claim 1, wherein the water outlet of the water pump (305) is connected to the middle height position in the side wall (101) of the container by a pipe.
  9. 9. The apparatus according to claim 1, wherein the communicating groove (215) has a trapezoidal shape as a whole in a plan view, and an upper bottom of the trapezoid is close to the air intake pipe (202) and a lower bottom of the trapezoid is distant from the air intake pipe (202).

Description

Sewage air-float treatment device Technical Field The invention relates to the technical field of sewage air floatation treatment, in particular to a sewage air floatation treatment device. Background The sewage air floatation treatment equipment in the prior art has the technical scheme that a single aeration device is adopted to pop bubbles from the bottom of a container, so that impurities in the sewage are carried upwards, the technical scheme has the technical problem that the coverage range of the bubbles is limited, the impurities in the water are required to be carried circularly and cleaned by means of the flowing characteristic of the water, the sewage treatment efficiency is low, and aiming at the problems, in the prior art, vortex-shaped coils or serpentine-shaped coils are comprehensively paved at the bottom of the container, and dense bubble outlets are arranged on the coils, so that the bubbles can be covered on the whole surface of the horizontal section of the container, and the sewage treatment efficiency can be effectively improved. The utility model discloses a sewage air floatation device, which is disclosed in Chinese patent publication No. CN213595926U and comprises an air floatation tank. This sewage air supporting equipment is through setting up the sediment fill, the top of sediment fill is the opening, its bottom is the toper and makes its bottom can not block the dross come-up, its one side is the opening can not block the dross when the sediment, when needs slagging-off, servo motor starts, the drive screw rod rotates, the screw rod drives the transfer line and rises, thereby can promote the sediment fill and rise, when the sediment fill rises to the dross and be in the sediment fill, two hydraulic push rods start, drive the rubber ball and rise until the jam water pipe, make sediment fill bottom can not reveal, at this moment, left servo motor continues to start, and servo motor on right side stops, the sediment fill produces the slope, thereby directly empty the dross and handle, because of the length and width of sediment fill are the same with the length and width of air supporting pond, thereby can hold and discharge the most dross in air supporting pond top, realize the sediment function of scraping. The scheme based on sewage air-float treatment adopts the deslagging bucket structure and is matched with the driving part to innovate the scheme of removing scum, the scheme of improving the cleanliness of the treated purified water by guaranteeing the cleanliness of a container adopted by sewage air-float treatment is not researched, the bottom of a container for containing sewage in the prior art is easy to deposit impurities with a holding group, the phenomenon of the inner wall of microorganisms is easier to be generated based on the special quality of the contained sewage, the microorganisms have adsorption effect on the impurities, the cleanliness of the purified sewage is reduced, the impurity treatment effect in the sewage is poor, so that the inner wall of the container needs to be cleaned regularly, the microorganism cleaning difficulty on the side wall of the container is low, and the deposited impurities or microorganisms at the bottom of the container are blocked by dense coils and are difficult to maintain and clean. Disclosure of Invention The invention aims to provide a technical scheme of a sewage air-floatation treatment device, which aims to solve the technical problem that the sewage air-floatation treatment device in the prior art has poor impurity treatment effect. The invention provides a sewage air floatation treatment device, which comprises a container with a container side wall and a container bottom wall, and a bubble supply part positioned inside the container side wall and close to the container bottom wall, wherein the bubble supply part comprises a plurality of centrally symmetrical air guide fins, each air guide fin comprises two fins which are in mirror image fixing and splicing, each fin comprises a first air guide groove, a second air guide groove, a third air guide groove, a fourth air guide groove and a communication groove which are arranged on the same side, the first air guide grooves on the two fins are spliced to form a first cavity channel, the second air guide grooves on the two fins are spliced to form a second cavity channel, the third air guide grooves on the two fins are spliced to form a third cavity channel, the fourth air guide grooves on the two fins are spliced to form a communication cavity, and the first cavity channel, the second cavity channel, the third cavity channel and the fourth cavity channel can be mutually communicated through the communication cavity; The sewage air floatation treatment device further comprises a drainage component, the drainage component comprises a drainage tube vertically and fixedly arranged in the center of the side wall of the container, the top end of the drainage tube is sealed, the bo