Pressurized dissolved air flotation equipment for sewage treatment

Abstract

The utility model discloses pressurized dissolved air flotation equipment for sewage treatment, which comprises an air flotation tank, a water inlet, a water outlet, a collecting partition plate and an inclined plate, the water inlet is fixedly communicated with the left side of the air flotation tank, the water outlet is fixedly communicated with the bottom of the right side of the air flotation tank, and the collecting partition plate is fixedly connected with the right side of the inner wall of the air flotation tank. The water inlet is formed, water is conveyed into the air floatation tank through the water inlet, then the separated water is discharged through the water outlet, the air floatation tank can be separated through the inclined plate, impurities which do not float to the top are prevented from flowing to the right side, and the collecting partition plate can collect the impurities floating on the top. The problems that when existing air flotation equipment is used, the top of an air releaser cannot be cleaned, impurities in water can fall into spraying holes of the air releaser when the air flotation equipment stops working, the spraying holes are blocked, and normal use of the spraying holes is affected are solved, and the air flotation equipment has the advantage of being capable of being cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to air floatation equipment technical field, concretely is a kind of pressurized dissolved air floatation equipment for sewage treatment. BACKGROUND

[0002] Pressurized dissolved air floatation device refers to the method for air to be dissolved in water by pressurization, and then small bubbles are released under the condition of decompression to adhere to suspended matter, so that the overall specific gravity is smaller than water and floats on the water surface, and is scraped off by mechanical device to realize solid-liquid separation.The pressurized dissolved air floatation equipment pressurizes clean water to (3-4) × 105Pa, and air is added at the same time to make air dissolved in water, and then suddenly reduced to normal pressure, and air dissolved in water is precipitated from water in the form of small bubbles (bubble diameter is about 20-100 μm), and suspended particles in water are floated on the water surface, so as to realize solid-liquid separation.

[0003] The existing Chinese invention patent with application number CN202222416527.5 discloses a kind of pressurized dissolved air floatation device, including air floatation tank, the air floatation tank one side is provided with air compressor, the air compressor is connected with main high-pressure inlet pipe, the main high-pressure inlet pipe is provided with cross pipe, the cross pipe is provided with multiple groups of secondary high-pressure inlet pipe, the main high-pressure inlet pipe and multiple groups of secondary high-pressure inlet pipe are all provided with multiple groups of air release device;Through the cooperation between pressurizing pump, multiple groups of secondary high-pressure inlet pipe, servo motor, sliding block, servo motor drives main roller to rotate by first belt pulley, so as to drive rotating rod and the main roller of the other end simultaneously rotate by second belt drive secondary roller, so as to drive two groups of slag scraping plates on sliding block to scrape slag, reduce manual labor, increase the efficiency of slag scraping, pressurizing pump and air compressor cooperate to increase the water pressure of dissolved air, so as to improve water purification rate and improve the working efficiency of air floatation device.

[0004] The existing air floatation equipment cannot clean the top of air release device when in use, so that impurities in water can fall into the spray hole of air release device when stopping work, causing the spray hole to be blocked and affecting the normal use of the spray hole. UTILITY MODEL CONTENTS

[0005] To solve the problems raised in the above background art, the purpose of the utility model is to provide a kind of pressurized dissolved air floatation equipment for sewage treatment, which has the advantage of being able to be cleaned, and solves the problem that the existing air floatation equipment cannot clean the top of air release device when in use, so that impurities in water can fall into the spray hole of air release device when stopping work, causing the spray hole to be blocked and affecting the normal use of the spray hole.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: including air floatation tank, water inlet, drain, collection baffle and inclined plate, the water inlet fixedly connected in the left side of air floatation tank, the drain fixedly connected in the bottom of right side of air floatation tank, the collection baffle fixedly connected in the right side of air floatation tank inner wall, the inclined plate fixedly connected in the left side of air floatation tank inner wall, the left side of air floatation tank top is fixedly connected with air floatation mechanism.

[0007] As the utility model is preferred, the air floatation mechanism includes fixed frame, the fixed frame fixedly connected in the top of air floatation tank inner wall left side, both sides of fixed frame inner wall are fixedly connected with the conveying pipe, the bottom of conveying pipe is fixedly connected with the shunt pipe.

[0008] As the utility model is preferred, both sides of the top of shunt pipe are fixedly connected with air release ware, and the top of air release ware is fixedly connected with motor.

[0009] As the utility model is preferred, the output of motor is fixedly connected with arc frame.

[0010] As the utility model is preferred, both sides of the bottom of arc frame are fixedly connected with cleaning brush.

[0011] As the utility model is preferred, the top of air floatation tank inner wall left side is fixedly connected with stirring device, and the stirring device is located the left side of fixed frame.

[0012] As the utility model is preferred, both sides of air floatation tank inner wall left side are fixedly connected with pipeline.

[0013] As the utility model is preferred, the right side of pipeline is fixedly connected with spray head.

[0014] Compared with the prior art, the utility model has the advantages of the following:

[0015] 1, the utility model discloses a water inlet, water is sent to the air floatation tank through the water inlet, then the water after separation is discharged through the drain, and the inclined plate can be separated to the air floatation tank, avoid the impurity that has not floated to the top to flow to the right side, and the collection baffle can collect the impurity that floats on the top, solve the problem that the top of air release ware cannot be cleaned when using the existing air floatation equipment, cause the impurity in water to fall into the spray hole of air release ware when stopping working and cause the spray hole to be blocked, affect the normal use of spray hole, have the advantage that can be cleaned.

[0016] 2, the utility model discloses a air floatation mechanism, and the fixed frame can be fixed to the conveying pipe, then the gas is sent to the shunt pipe through the conveying pipe, and the gas is shunted through the shunt pipe, so that the gas can flow into the air release ware in different positions.

[0017] 3. The utility model discloses a air release ware and motor are set up, air release ware can spray air and form tiny bubble in water, make bubble adsorb on the surface of impurity in water, make impurity move up and reach the effect of separating the impurity in water. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view section structure schematic diagram of the utility model;

[0019] Figure 2 It is the air release ware three -dimensional structure schematic diagram of the utility model;

[0020] Figure 3 It is the utility model Figure 1 A place amplification structure schematic diagram in.

[0021] In the drawing: 1, air floatation tank, 2, water inlet, 3, drain, 4, collection partition, 5, inclined plate, 6, air floatation mechanism, 61, fixed frame, 62, conveying pipe, 63, shunt pipe, 7, air release ware, 8, motor, 9, arc frame, 10, cleaning brush, 11, stirring device, 12, pipeline, 13, spray head. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0023] As Figures 1 to 3 Shown, the utility model provides including air floatation tank 1, water inlet 2, drain 3, collection partition 4 and inclined plate 5, water inlet 2 fixed communication in the left side of air floatation tank 1, drain 3 fixed communication in the bottom right side of air floatation tank 1, collection partition 4 fixed connection in the right side of air floatation tank 1 inner wall, inclined plate 5 fixed connection in the left side of air floatation tank 1 inner wall, the left side fixed connection of air floatation tank 1 top has air floatation mechanism 6.

[0024] Reference Figure 1 , air floatation mechanism 6 includes fixed frame 61, fixed frame 61 fixed connection in the top left side of air floatation tank 1 inner wall, both sides of fixed frame 61 inner wall are all fixed connection with conveying pipe 62, and the bottom of conveying pipe 62 is fixed with shunt pipe 63.

[0025] As a technical optimization scheme of the utility model, through setting up air floatation mechanism 6, fixed frame 61 can fix conveying pipe 62, then conveying pipe 62 conveys gas to shunt pipe 63, gas is shunted through shunt pipe 63, gas can flow into air release ware 7 in different positions.

[0026] Reference Figure 2 Air release ware 7 is fixedly connected on the top of the both sides of shunt pipe 63, and motor 8 is fixedly connected on the top of air release ware 7.

[0027] As a technical optimization scheme of the utility model, through setting up air release ware 7 and motor 8, air release ware 7 can spray air and form tiny bubbles in water, so that the bubbles are adsorbed on the surface of impurities in water, and the impurities are moved upward to separate the impurities in water.

[0028] Reference Figure 2 The output end of motor 8 is fixedly connected with arc-shaped frame 9.

[0029] As a technical optimization scheme of the utility model, through setting up arc-shaped frame 9, arc-shaped frame 9 can be more fitted to the top of air release ware 7 by rotating arc-shaped frame 9 driven by motor 8.

[0030] Reference Figure 2 Cleaner brush 10 is fixedly connected on the both sides of the bottom of arc-shaped frame 9.

[0031] As a technical optimization scheme of the utility model, through setting up cleaner brush 10, cleaner brush 10 is rotated when arc-shaped frame 9 rotates, and the impurities on the top of air release ware 7 are scraped off by cleaner brush 10, so that the air release ware 7 can be cleaned during use.

[0032] Reference Figure 1 Stirring device 11 is fixedly connected on the top of the left side of the inner wall of air floatation tank 1, and stirring device 11 is located on the left side of fixed frame 61.

[0033] As a technical optimization scheme of the utility model, through setting up stirring device 11, stirring device 11 can stir the water on the left side of the inner wall of air floatation tank 1, so that the flocculating agent and coagulant in water can better react with the impurities in water.

[0034] Reference Figure 3 Pipe 12 is fixedly connected on the both sides of the left side of the inner wall of air floatation tank 1.

[0035] As a technical optimization scheme of the utility model, through setting up pipe 12, the rear pipe 12 can convey coagulant, and the front pipe 12 can convey flocculating agent.

[0036] Reference Figure 3 Nozzle 13 is fixedly connected on the right side of pipe 12.

[0037] As a technical optimization scheme of the utility model, the flocculating agent and coagulant in the pipeline 12 are sprayed out through the spray head 13.

[0038] The working principle and use process of the utility model: when in use, water is delivered into the air flotation tank 1 through the water inlet 2, then the separated water is discharged through the water outlet 3, the inclined plate 5 can separate the air flotation tank 1, avoiding the impurities that have not floated to the top flowing to the right side, the collection partition plate 4 can collect the impurities floating on the top, the fixing frame 61 can fix the delivery pipe 62, then the delivery pipe 62 delivers the gas into the shunt pipe 63, the gas is shunted through the shunt pipe 63, so that the gas can flow into the air releaser 7 at different positions, the air releaser 7 can spray air and form tiny bubbles in the water, the bubbles are adsorbed on the surface of the impurities in the water, so that the impurities move upwards to separate the impurities in the water, the motor 8 drives the arc-shaped frame 9 to rotate, the arc-shaped frame 9 can be more fitted to the top of the air releaser 7, the cleaning brush 10 is driven to rotate when the arc-shaped frame 9 rotates, the impurities on the top of the air releaser 7 are scraped off through the cleaning brush 10, so that the air releaser 7 can be cleaned when in use, the stirring device 11 can stir the water on the left side of the inner wall of the air flotation tank 1, so that the flocculating agent and coagulant in the water react better with the impurities in the water, the pipeline 12 on the rear side can deliver the coagulant, the pipeline 12 on the front side can deliver the flocculating agent, and the flocculating agent and coagulant in the pipeline 12 are sprayed out through the spray head 13.

[0039] In summary: the pressurized dissolved air flotation equipment for sewage treatment, through the water inlet 2, the water is delivered into the air flotation tank 1 through the water inlet 2, then the separated water is discharged through the water outlet 3, the inclined plate 5 can separate the air flotation tank 1, avoiding the impurities that have not floated to the top flowing to the right side, the collection partition plate 4 can collect the impurities floating on the top, solves the problem that the top of the air releaser cannot be cleaned when the existing air flotation equipment is in use, causing the impurities in the water to fall into the spray hole of the air releaser when the work is stopped, causing the spray hole to be blocked, affecting the normal use of the spray hole.

[0040] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0041] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pressurized dissolved air flotation apparatus for sewage treatment, comprising a flotation tank (1), a water inlet (2), a water outlet (3), a collection partition (4), and an inclined plate (5), characterized in that: The water inlet (2) is fixedly connected on the left side of the air flotation tank (1), the water outlet (3) is fixedly connected on the bottom of the right side of the air flotation tank (1), the collecting partition (4) is fixedly connected on the right inner wall of the air flotation tank (1), the inclined plate (5) is fixedly connected on the left inner wall of the air flotation tank (1), and the air flotation mechanism (6) is fixedly connected on the left top of the air flotation tank (1).

2. The pressurized dissolved air flotation apparatus for sewage treatment according to claim 1, characterized by: The air flotation mechanism (6) comprises a fixing frame (61), the fixing frame (61) is fixedly connected on the top of the left inner wall of the air flotation tank (1), the two sides of the inner wall of the fixing frame (61) are fixedly connected with conveying pipes (62), and the bottom of the conveying pipe (62) is fixedly connected with a shunt pipe (63).

3. The dissolved air flotation apparatus for wastewater treatment according to claim 2, wherein: The two sides of the top of the shunt pipe (63) are fixedly connected with air release devices (7), and the top of the air release device (7) is fixedly connected with a motor (8).

4. The dissolved air flotation apparatus for wastewater treatment according to claim 3, wherein: The output end of the motor (8) is fixedly connected with an arc-shaped frame (9).

5. The dissolved air flotation apparatus for wastewater treatment according to claim 4, wherein: The two sides of the bottom of the arc-shaped frame (9) are fixedly connected with cleaning brushes (10).

6. The dissolved air flotation apparatus for wastewater treatment according to claim 2, wherein: The top of the left inner wall of the air flotation tank (1) is fixedly connected with a stirring device (11), and the stirring device (11) is located on the left side of the fixing frame (61).

7. The dissolved air flotation apparatus for wastewater treatment according to claim 1, wherein: The two sides of the left inner wall of the air flotation tank (1) are fixedly connected with pipes (12).

8. The dissolved air flotation apparatus for wastewater treatment according to claim 7, wherein: The right side of the pipe (12) is fixedly connected with a spray head (13).

Images