Air flotation machine for sewage treatment

Abstract

The utility model relates to the technical field of sewage treatment, in particular to an air flotation machine for sewage treatment, which comprises a base, a stirring component is fixedly mounted on the upper side of the base, an air flotation box is fixedly mounted on the upper side of the base, the stirring component is communicated with the air flotation box through a drain pipe, and a sewage discharge box is fixedly mounted on one side of the air flotation box. A reciprocating driving belt wheel is mounted on the air floating box, and two scraping plates are fixedly mounted on the surface of the reciprocating driving belt wheel; the output end of the driving motor drives the shifting rod to rotate, the shifting rod drives one reciprocating plate to reciprocate up and down under the combined action of the rectangular opening and the limiting blocks, meanwhile, the connecting shaft drives the other reciprocating block to reciprocate synchronously, and the two reciprocating blocks drive the cleaning plate to move up and down. The scraper cleaning device is attached to the surface of the scraper, scrapes and cleans the surface of the scraper, prevents the surface of the scraper from being contaminated with sticky scum to affect scum scraping, and improves the sewage treatment efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely is a sewage treatment is with air flotation machine. BACKGROUND

[0002] Air flotation sewage treatment method is a kind of sewage treatment method using the buoyancy of bubble to separate suspended solids, oil and other pollutants from water, widely used in industrial wastewater, municipal sewage and oil-containing wastewater treatment, air flotation method by introducing fine bubbles into water, make pollutants adhere to bubble, form dross and float to water surface, thereby realizing solid-liquid separation, when carrying out air flotation treatment, air flotation machine needs to be used.

[0003] Chinese utility model patent CN221071106U: disclose a kind of sewage treatment is with air flotation machine, including base, base upper end is equipped with dosing tank, dosing tank lower end is equipped with support frame, dosing tank outer side one end is connected with water inlet, dosing tank other end is connected with water outlet, dosing tank lower end is equipped with impurity outlet, dosing tank one side is equipped with air flotation machine, water outlet is communicated with air flotation machine, dosing tank upper end is equipped with driving motor, dosing tank inside is equipped with slide rail, dosing tank inside is equipped with stirring device, stirring device is fixedly connected with driving motor, stirring device outer side is slidably installed with slide rail.In the utility model, by setting stirring device, using the rotation of first stirring plate and second stirring plate, can realize forward and reverse stirring simultaneously, so that reagent and sewage are fully stirred and mixed, make mixing more uniform, so as to be beneficial to subsequent air flotation treatment of sewage, improve air flotation treatment effect.

[0004] But the device still has some problems, wherein the sewage after stirring by stirring device is transported to scraper device, in the air flotation process of the sewage in air flotation machine 7, scraper device 9 can scrape the dross on the surface of sewage to dross collection tank 10 inside, thereby collecting dross, but in actual use process, if there is a lot of oil dirt and other viscous dross in dross when scraper on scraper device 9 cleans dross, viscous dross can adhere to the surface of scraper, form thick dross layer, thereby causing the cleaning strength of scraper to decline, affect the effect of oil dirt separation. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of sewage treatment is with air flotation machine, to solve the problems presented in the above background technology.

[0006] The utility model discloses a technical scheme is: a sewage treatment air flotation machine, including base, the upside fixed mounting of base has stirring assembly, the upside fixed mounting of base has air flotation tank, stirring assembly communicates with air flotation tank through drain pipe, the side fixed mounting of air flotation tank has the blowdown tank, the reciprocating drive pulley is installed on air flotation tank, the surface fixed mounting of reciprocating drive pulley has two scrapers, the upside fixed mounting of blowdown tank has cleaning assembly,

[0007] The cleaning assembly includes two mounting plates, two mounting plates are installed on the upper side of the blowdown tank, a plurality of limiting blocks are fixedly installed on one side of each mounting plate, a same reciprocating plate is slidably installed on the side surface of the limiting blocks, a same cleaning plate is fixedly installed on the opposite surface of the reciprocating plates, a drive hole is formed in one side of the mounting plate, a drive unit is rotatably installed in the drive hole, and a flushing assembly is fixedly installed on the upper side of the blowdown tank.

[0008] Preferably, the drive unit includes two lever rods, the lever rods are rotatably installed in the drive holes, a rectangular opening is formed in one side of the reciprocating plate, the lever rods are slidably installed in the rectangular opening, and a same connecting shaft is fixedly installed on the opposite surface of the lever rods.

[0009] Preferably, the drive unit further includes a drive motor, the drive motor is fixedly installed on one side of one of the mounting plates, and the output shaft of the drive motor is fixedly connected to one side of the lever rod.

[0010] Preferably, the flushing assembly includes a cleaning tank, the cleaning tank is fixedly installed on the upper side of the blowdown tank, a tank cover is fixedly installed on the upper side of the cleaning tank, a piston is slidably installed on the inner wall of the cleaning tank, a plurality of liquid inlet openings are formed in the upper side of the cleaning tank, a liquid injection pipe is fixedly installed in each of the liquid inlet openings, a plurality of liquid outlet openings are formed in the upper side of the tank cover, a liquid outlet pipe is fixedly installed in each of the liquid outlet openings, a high-pressure nozzle is fixedly installed at the other end of each of the liquid outlet pipes, a primary one-way valve is installed on each of the liquid injection pipes, a secondary one-way valve is installed on each of the liquid outlet pipes, two sliding openings are formed in the upper side of the tank cover, and a power unit is slidably installed in each of the sliding openings.

[0011] Preferably, the power unit includes two L-shaped rods, the L-shaped rods are slidably installed in the sliding openings, the bottom ends of the L-shaped rods are fixedly connected to the upper side of the piston, a same connecting plate is fixedly installed at the top ends of the L-shaped rods, and the connecting plate is fixedly installed between the mounting plates.

[0012] Preferably, a blowdown opening is formed in one side of the blowdown tank, a gas injection opening is formed in one side of the air flotation tank, and a gas injection pipe is fixedly installed in the gas injection opening.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、The utility model discloses, drive motor output end drives the rotation of the pole, and the pole drives one of reciprocating plates to reciprocate up and down under the joint action of rectangular mouth and multiple limit blocks, and another reciprocating block is driven to reciprocate synchronously through the connecting shaft, and two reciprocating blocks drive the cleaning plate to move up and down, and the surface of the scraper is cleaned, and the surface of the scraper is prevented from being contaminated by sticky dregs and affecting the dregs scraping, and the sewage treatment efficiency is improved.

[0015] 2、The utility model discloses, two reciprocating blocks drive two L-shaped rods to move down through the connecting plate simultaneously, and the same piston is driven to move down through two L-shaped rods, and the piston moves down to make the negative pressure environment in the cleaning box, and the liquid injection pipe is inhaled into the cleaning box with the cleaning agent, and along with the piston upward movement, the piston starts extruding the cleaning agent in the cleaning box, and the cleaning agent is transported through multiple liquid outlet pipes and is sprayed through the high pressure nozzle, and the surface of the cleaning plate is cleaned, and the reuse is facilitated next time. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be explained further in connection with the drawings and embodiments:

[0017] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0018] Fig. 2 It is the air floatation tank and related structure schematic diagram of the utility model

[0019] Fig. 3 It is the cut structure schematic diagram of the cleaning assembly in the utility model;

[0020] Fig. 4 It is the structure schematic diagram of the drive unit of the utility model.

[0021] EXPLANATION OF REFERENCE NUMERALS:

[0022] 1, base;2, air floatation tank;3, pollution discharge tank;4, stirring assembly;5, reciprocating drive pulley;6, cleaning plate;7, connecting shaft;8, mounting plate;9, gas injection pipe;10, scraper;11, reciprocating plate;12, connecting plate;13, L-shaped rod;14, liquid injection pipe;15, tank cover;16, cleaning box;17, piston;18, liquid outlet pipe;19, high pressure nozzle;20, pollution discharge port;21, drive motor;22, limit block;23, pole. DETAILED DESCRIPTION

[0023] The utility model makes further explanation in combination with specific embodiment, however, people skilled in the art should understand that the detailed explanation given in combination with the drawings here is to explain better, the structure of the utility model must exceed these limited embodiments, and for some equivalent alternative or common means, this paper will not make detailed description, but still belongs to the protection scope of the application.

[0024] Figs. 1-4 It is the best embodiment of the utility model, the following will be combined with the attached Figs. 1-4 The utility model makes further explanation.

[0025] As Figs. 1-4 Shown, a sewage treatment air flotation machine, including base 1, the upside of base 1 is fixedly installed with stirring assembly 4, the upside of base 1 is fixedly installed with air flotation tank 2, stirring assembly 4 is communicated with air flotation tank 2 by drain pipe, air flotation tank 2 one side is fixedly installed with blowdown tank 3, air flotation tank 2 is installed with reciprocating drive pulley 5, two scrapers 10 are fixedly installed on the surface of reciprocating drive pulley 5, the upside of blowdown tank 3 is fixedly installed with cleaning assembly;

[0026] Cleaning assembly includes two mounting plates 8, two mounting plates 8 are installed on the upside of blowdown tank 3, the side of two mounting plates 8 is fixedly installed with a plurality of limit blocks 22, the side of a plurality of limit blocks 22 is slidably installed with same reciprocating plate 11, the opposite surface of two reciprocating plates 11 is fixedly installed with same cleaning plate 6, the side of mounting plate 8 is provided with drive hole, drive hole is rotatably installed with drive unit, the upside of blowdown tank 3 is fixedly installed with flushing assembly.

[0027] By the above structure, the air float tank 2 and the air float tank 2 structure used in the prior art air float machine are consistent in working principle, and will not be described in detail. The stirring assembly 4 connected with the air float tank 2 through the drain pipe is consistent with the working principle of the above cited document (publication number: CN221071106U), and the water in the stirring assembly 4 can be guided into the air float tank 2 for next operation by controlling the electric valve installed on the drain pipe. The reciprocating drive pulley 5 is composed of two pulleys, two transmission belts, two transmission shafts and one motor, and its working principle is consistent with that of the existing technology. The reciprocating drive pulley 5 can be installed with a plurality of scrapers 10, and the number of scrapers 10 can be increased or decreased according to actual conditions. The scraper 10 is a soft plastic plate with certain toughness and corrosion resistance. The upper side of the pollution tank 3 is provided with two installation plates 8 symmetrically installed, and the opposite surfaces of the two installation plates 8 are provided with reciprocating plates 11 of the same structure. The same cleaning plate 6 is installed between the reciprocating plates 11. The cleaning plate 6 is made of hard stainless steel and can be attached to the surface of the scraper 10 to clean the scraper 10 without being easily adhered by the floating sludge.

[0028] Further, the driving unit includes two shift rods 23, which are correspondingly rotatably installed in two driving holes. One side of the reciprocating plate 11 is provided with a rectangular opening, and the shift rod 23 is slidably installed in the rectangular opening. The opposite surfaces of the two shift rods 23 are fixedly provided with the same connecting shaft 7.

[0029] By the above structure, the shift rod 23 is attached to the rectangular opening, and when the shift rod 23 rotates, the reciprocating plate 11 is driven through the rectangular opening. The reciprocating plate 11 is cross-shaped and is limited by the four limiting blocks 22 to move up and down.

[0030] Further, the driving unit further includes a driving motor 21 fixedly installed on one side of one of the installation plates 8. The output shaft of the driving motor 21 is fixedly connected with one side of the shift rod 23.

[0031] By the above structure, the driving motor 21 can provide rotating force for one of the shift rods 23, and the power is transmitted to the other shift rod 23 through the connecting shaft 7, thereby improving the stability of operation.

[0032] Further, the flushing assembly comprises a cleaning tank 16 fixedly installed on the upper side of the blowdown tank 3, a tank cover 15 fixedly installed on the upper side of the cleaning tank 16, a piston 17 slidably installed on the inner wall of the cleaning tank 16, a plurality of liquid inlet openings formed on the upper side of the cleaning tank 16, a plurality of liquid injection pipes 14 fixedly installed in the plurality of liquid inlet openings, a plurality of liquid outlet openings formed on the upper side of the tank cover 15, a plurality of liquid outlet pipes 18 fixedly installed in the plurality of liquid outlet openings, a plurality of high-pressure nozzles 19 fixedly installed at the other ends of the plurality of liquid outlet pipes 18, a primary one-way valve installed on each of the plurality of liquid injection pipes 14, a secondary one-way valve installed on each of the plurality of liquid outlet pipes 18, and two sliding openings formed on the upper side of the tank cover 15, in which two L-shaped rods 13 are slidably installed.

[0033] Through the above structure, the direction of the primary one-way valve installed on the liquid injection pipe 14 is from the external connection area to the inside of the cleaning tank 16, the direction of the secondary one-way valve installed on the liquid outlet pipe 18 is from the cleaning tank 16 to the high-pressure nozzle 19, the number of the liquid injection pipes 14 is consistent with the number of the liquid outlet pipes 18, and when the external cleaning agent is added, a dissolving agent can be appropriately added to assist the decomposition of the oil stains in the scum, thereby improving the cleaning capacity of the cleaning plate 6. The high-pressure nozzle 19 is not in the same vertical plane as the cleaning plate 6, thereby preventing the cleaning plate 6 from being interfered with movement.

[0034] Further, the power unit comprises two L-shaped rods 13 slidably installed in the two sliding openings, the bottom ends of the two L-shaped rods 13 are fixedly connected to the upper side of the piston 17, and the top ends of the two L-shaped rods 13 are fixedly installed with the same connecting plate 12 fixedly installed between the two mounting plates 8.

[0035] Through the above structure, the two L-shaped rods 13 are respectively located on the two sides of the two pistons 17, connecting the piston 17 and the connecting plate 12, and the connecting plate 12 can provide power for the up-and-down movement of the piston 17.

[0036] Further, a blowdown opening 20 is formed on one side of the blowdown tank 3, and a gas injection opening is formed on one side of the air flotation tank 2, in which a gas injection pipe 9 is fixedly installed.

[0037] Through the above structure, the inner bottom wall of the blowdown tank 3 is obliquely arranged to cooperate with the blowdown opening 20, so that the scum can be quickly discharged, the gas injection pipe 9 can inject gas into the air flotation tank 2, so that air bubbles are generated in the air flotation tank 2, and the flocculent forms scum and floats out.

[0038] Working principle: when the device is in use, first pour the sewage to be treated into the stirring assembly 4 and add flocculants and other additives for thorough mixing, then transport to the air floatation tank 2 through the drain pipe, connect the air injection pipe 9 on one side of the air floatation tank 2, inject appropriate water into the air floatation tank 2, inject gas into the water through the air injection pipe 9 to generate bubbles and fuse with the flocculated sludge to form scum, the scum floats to the water surface, at this time, start the reciprocating drive pulley 5, the reciprocating drive pulley 5 drives the scraper 10 to move, the scraper 10 adheres to the water surface, scrapes off the scum on the water surface and transports it to the drain tank 3, and then discharges through the drain outlet 20 on the drain tank 3.

[0039] In the process of scraping off the scum by the scraper 10, connect the liquid cleaner to the liquid injection pipe 14, and start the drive motor 21, the drive motor 21 drives the lever 23 to rotate, the lever 23 drives one of the reciprocating plates 11 to move up and down under the joint action of the rectangular port and the plurality of limiting blocks 22, and simultaneously drives the other reciprocating block to move synchronously through the connecting shaft 7, the two reciprocating blocks drive the cleaning plate 6 to move up and down, adhere to the surface of the scraper 10, and scrape and clean the surface of the scraper 10 to prevent the scraper 10 from being contaminated by sticky scum, and simultaneously when the cleaning plate 6 moves downward, the two reciprocating blocks drive the two L-shaped rods 13 to move downward through the connecting plate 12, the two L-shaped rods 13 drive the same piston 17 to move downward, the downward movement of the piston 17 generates a negative pressure environment in the cleaning tank 16, the liquid injection pipe 14 sucks the cleaner into the cleaning tank 16, when the piston 17 moves upward from the bottom of the cleaning tank 16, at this time, the cleaning plate 6 completes the cleaning of the scraper 10, and the surface of the scraper 10 is scraped and adhered with scum, as the piston 17 moves upward, the piston 17 starts to squeeze the cleaner in the cleaning tank 16, the cleaner is transported through the plurality of liquid outlet pipes 18 and sprayed through the high-pressure nozzle to flush and clean the surface of the cleaning plate 6, facilitating reuse next time.

[0040] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments. However, any simple modification, equivalent change and modification made to the above embodiments without departing from the technical solution of the present application, according to the technical essence of the present application, still belongs to the protection scope of the technical solution of the present application.

Claims

1. A sewage treatment air flotation machine, comprising a base (1), the upper side of the base (1) is fixedly installed with a stirring assembly (4), characterized in that: The upper side of the base (1) is fixedly installed with an air float tank (2), the stirring assembly (4) is communicated with the air float tank (2) through a drain pipe, one side of the air float tank (2) is fixedly installed with a blowdown tank (3), a reciprocating drive pulley (5) is installed on the air float tank (2), two scrapers (10) are fixedly installed on the surface of the reciprocating drive pulley (5), and the upper side of the blowdown tank (3) is fixedly installed with a cleaning assembly. The cleaning assembly comprises two mounting plates (8), both of which are installed on the upper side of the blowdown tank (3), a plurality of limiting blocks (22) are fixedly installed on one side of each of the two mounting plates (8), the same reciprocating plate (11) is slidably installed on the side surface of each of the plurality of limiting blocks (22), the same cleaning plate (6) is fixedly installed on the opposite surface of each of the two reciprocating plates (11), a driving hole is formed in one side of the mounting plate (8), and a driving unit is rotatably installed in the driving hole.

2. The air flotation machine for sewage treatment according to claim 1, characterized in that: The driving unit comprises two shift rods (23), both of which are rotatably installed in the two driving holes, a rectangular opening is formed in one side of the reciprocating plate (11), and the shift rod (23) is slidably installed in the rectangular opening.

3. The air flotation machine for sewage treatment according to claim 2, characterized in that: The driving unit further comprises a driving motor (21), which is fixedly installed on one side of one of the mounting plates (8), and the output shaft of the driving motor (21) is fixedly connected with one side of the shift rod (23).

4. The air flotation machine for sewage treatment according to claim 1, characterized in that: The flushing assembly comprises a cleaning tank (16), which is fixedly installed on the upper side of the blowdown tank (3), a tank cover (15) is fixedly installed on the upper side of the cleaning tank (16), a piston (17) is slidably installed on the inner wall of the cleaning tank (16), a plurality of liquid inlet openings are formed in the upper side of the cleaning tank (16), a liquid injection pipe (14) is fixedly installed in each of the plurality of liquid inlet openings, a plurality of liquid outlet openings are formed in the upper side of the tank cover (15), a liquid outlet pipe (18) is fixedly installed in each of the plurality of liquid outlet openings, a high-pressure nozzle (19) is fixedly installed at the other end of each of the plurality of liquid outlet pipes (18), a primary one-way valve is installed on each of the plurality of liquid injection pipes (14), a secondary one-way valve is installed on each of the plurality of liquid outlet pipes (18), two sliding openings are formed in the upper side of the tank cover (15), and a power unit is slidably installed in each of the two sliding openings.

5. The air flotation machine for sewage treatment according to claim 4, characterized in that: The power unit comprises two L-shaped rods (13), both of which are slidably installed in the two sliding openings, the bottom ends of the two L-shaped rods (13) are fixedly connected with the upper side of the piston (17), and the same connecting plate (12) is fixedly installed at the top ends of the two L-shaped rods (13).

6. The air flotation machine for sewage treatment according to claim 1, characterized in that: One side of the blowdown tank (3) is provided with a blowdown opening (20), one side of the air float tank (2) is provided with a gas injection opening, and a gas injection pipe (9) is fixedly installed in the gas injection opening.

Images