CN211595087U - A air supporting equipment for waste water treatment - Google Patents

A air supporting equipment for waste water treatment Download PDF

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Publication number
CN211595087U
CN211595087U CN201921943251.8U CN201921943251U CN211595087U CN 211595087 U CN211595087 U CN 211595087U CN 201921943251 U CN201921943251 U CN 201921943251U CN 211595087 U CN211595087 U CN 211595087U
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China
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area
air
box
slag scraping
coagulation
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CN201921943251.8U
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Chinese (zh)
Inventor
冯亚鹏
朱长亭
曲先顺
法文波
郭子轩
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Qingdao Jinwantong Environmental Science And Technology Co ltd
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Qingdao Jinwantong Environmental Science And Technology Co ltd
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Abstract

The utility model discloses an air floatation device for wastewater treatment, which comprises a coagulation area, a gas dissolving area, a slag scraping area and a clear water area which are arranged inside a box body, and a slag scraping machine, an air compressor and a gas dissolving tank which are arranged outside the box body, wherein a first baffle plate is arranged between the coagulation area and the gas dissolving area, the lower part of the first baffle plate is communicated with the lower part of the first baffle plate, a second baffle plate is arranged between the gas dissolving area and the slag scraping area, the upper part of the second baffle plate is communicated with the upper part of the first baffle plate, a third baffle plate is arranged between the slag scraping area and the clear water area; the air compressor machine is connected through the trachea line with the dissolved air jar that sets up fixedly on the box, still installs the solenoid valve on the trachea line of air compressor machine exit end. The beneficial effects of the utility model are that, the solenoid valve that sets up on air compressor machine exit end air pipeline has effectively solved because of compressed gas gets into the pump chamber of backwash pump, leads to the unable problem that starts of backwash pump, improves backwash pump life, reduces equipment maintenance number of times and expense, improves economic benefits greatly.

Description

A air supporting equipment for waste water treatment
Technical Field
The utility model relates to a waste water treatment equipment technical field especially relates to an air supporting equipment for waste water treatment.
Background
The air floatation method is an equipment widely used for treating industrial waste water and urban sewage, and is characterized by that in the water the highly dispersed micro-bubbles are formed, and the solid or liquid particles of hydrophobic base in the waste water are adhered to form water-gas-particle three-phase mixed system, after the bubbles are adhered to the particles, the particles are formed into flocs whose apparent density is less than that of water, and float to the water surface, and the formed scum layer is scraped off so as to implement the process of solid-liquid or liquid-liquid separation.
A large amount of fine bubbles are generated in water, the fine bubbles are adhered to small suspended particles in the wastewater to form a 'bubble particle' complex with the integral density smaller than that of the water, and the suspended particles float to the water surface along with the bubbles to form foam flotation, so that suspended matters in the water are separated.
Generally, an air compressor is adopted to provide compressed air for a gas dissolving area in equipment, but when a reflux pump is started, the compressed air directly enters a cavity of the reflux pump, so that the reflux pump cannot be started; when the equipment stops working, compressed air in the air storage tank of the air compressor continues to enter the dissolved air tank and further enters the pump cavity of the reflux pump, and the reflux pump can also be prevented from being started.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned pump chamber because of compressed gas gets into the backwash pump, lead to the technical problem that the backwash pump can't be started, the utility model discloses an air supporting equipment for waste water treatment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an air floatation device for wastewater treatment comprises a coagulation area, an air dissolving area, a slag scraping area and a clear water area which are arranged inside a box body, and a slag scraping machine, an air compressor and a gas dissolving tank which are arranged outside the box body, wherein a water inlet is formed in the upper part of the box body on one side of the coagulation area, a water outlet is formed in the bottom of the clear water area, a first partition plate is arranged between the coagulation area and the air dissolving area, the lower parts of the coagulation area and the air dissolving area are communicated, a second partition plate is arranged between the air dissolving area and the slag scraping area, the upper parts of the air dissolving area and the slag scraping area are communicated, a third partition plate is arranged between the slag scraping area and the; a slag scraper is arranged above the box body, a slag discharge port is fixedly arranged in the slag scraping area, and the bottom of the slag scraping area is also connected with a dissolved air tank through an external backflow pipeline; the air compressor machine is connected through the trachea line with the dissolved air jar that sets up fixedly on the box, still installs the solenoid valve on the trachea line of air compressor machine exit end.
The technical scheme of the utility model still include, be provided with the stirring rake in the district that thoughtlessly congeals, the stirring rake is connected with the coagulating pump of box top.
The technical proposal of the utility model also comprises that a circulating pump is arranged on the bottom circulating pipeline of the slag scraping area.
The technical proposal of the utility model also comprises that the slag discharging port is positioned on one side of the upper opening of the third clapboard.
The technical scheme of the utility model still include, be provided with the releaser in the gas dissolving district, the releaser is connected with the dissolved gas jar through the pipeline.
The utility model has the advantages that the electromagnetic valve arranged on the air pipeline at the outlet end of the air compressor can delay the air inflow, and prevent the compressed air from directly entering the cavity of the reflux pump to cause the problem of incapability of starting when the reflux pump is started; the service life of the reflux pump is prolonged, the maintenance frequency and cost of the equipment are reduced, and the economic benefit is greatly improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
wherein, 1-a box body; 2-a coagulation zone; 3-a gas dissolving zone; 4-a slag scraping area; 5-a clear water area; 6, an air compressor; 7-dissolved air tank; 8-a coagulation pump; 9-stirring paddle; 10-a water inlet; 11-a first separator; 12-a second separator; 13-a third separator; 14-a slag scraper; 15-a slag discharge port; 16-a reflux pump; 17-an opening; 18-a water outlet; 19-a solenoid valve; 20-releaser.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figure 1, an air floatation device for wastewater treatment comprises a coagulation area 2, a dissolved air area 3, a slag scraping area 4 and a clear water area 5 which are arranged inside a box body 1, a slag scraping machine 14, an air compressor 6 and a dissolved air tank 7 which are arranged outside the box body 1, suspended particles of particles in wastewater in the coagulation area 2 are continuously flocculated, a large amount of dirty oil in the wastewater in the dissolved air area 3 floats upwards, the collection of the greasy dirt on the surface of the wastewater is realized in the slag scraping area 4, a water inlet 10 is arranged at the upper part of the box body 1 at one side of the coagulation area 2, the wastewater enters the device through the water inlet 10, a water outlet 18 is arranged at the bottom of the clear water area 5, the water reaching the standard is discharged out of the device through the water outlet 18, a first partition plate 11 is arranged between the coagulation area 2 and the dissolved air area 3, the lower part of the coagulation area is communicated, a second partition plate 12 is arranged between the dissolved air area 3 and the slag scraping area 4, the upper part of the coagulation, and an opening 17 is arranged at the upper part of the third partition plate 13; a slag scraper 14 is arranged above the box body 1, a slag discharge port 15 is fixedly arranged in the slag scraping area 4, and the speed of the slag scraper 14 is adjusted, so that the change of the oil recovery amount of the oil dirt can be realized; the bottom of the slag scraping area 4 is also connected with a dissolved air tank 7 through an external return pipeline; the air compressor 6 is connected with the dissolved air tank 7 fixedly arranged on the box body 1 through an air pipeline, the air pipeline at the outlet end of the air compressor 6 is further provided with the electromagnetic valve 19, the electromagnetic valve 19 can timely and accurately regulate the air output of the air compressor 6, and the problem that the reflux pump 16 cannot be started can be effectively prevented.
In particular, the mixing paddle 9 is arranged in the coagulation area 2, the mixing paddle 9 is connected with the coagulation pump 8 above the box body 1, and the mixing paddle 9 can uniformly mix the wastewater in the area.
Particularly, a reflux pump 16 is also arranged on a bottom circulating pipeline of the slag scraping area 4, the reflux pump 16 can convey clean water at the lower part of the slag scraping area 4 to reflux into the dissolved air tank 7, and the gas and water in the dissolved air tank 7 are mixed with gas from the air compressor 6 to form dissolved air water.
In particular, the slag discharge port 15 is located on the side of the upper opening 17 of the third partition plate 13, which is beneficial to fully collecting and discharging oil dirt in the waste water in the slag scraping area 4.
Specifically, the gas dissolving area 3 is provided with a releaser 20, the releaser 20 is connected with the gas dissolving tank 7 through a pipeline, and the gas dissolving water in the gas dissolving tank 7 is put into the gas dissolving area 3 through the releaser 20.
The utility model discloses an approximate working process does:
the wastewater is sent into an equipment coagulation area 2 through a water inlet 10, suspended particles float to the water surface along with bubbles after coagulation stirring, the wastewater enters a gas dissolving area 3 from the bottom of a first partition plate 11, contacts with formed gas dissolving water in the gas dissolving area 3, and then enters a residue scraping area 4 through the upper part of a second partition plate 12, a large amount of oil stains in the wastewater float upwards, are collected into a residue discharge port 15 through a scraper of a residue scraper 14 and then are sent into the outside of the equipment, an oil content is detected by an oil densimeter, and the oil collection amount of the residue scraper 14 is adjusted according to the detected oil content; the water after the slag scraping treatment flows into the clean water area 5 through an opening 17 at the upper part of the third clapboard 13, and finally the water reaching the standard is discharged out of the equipment from a water outlet 18 at the bottom of the clean water area 5, thus completing the air floatation treatment process of the wastewater.
The utility model discloses in, the solenoid valve 19 that sets up on the air compressor machine 6 exit end air pipeline, the air input can postpone, prevent that backwash pump 16 when starting, compressed air directly gets into 16 cavities of backwash pump and causes the problem of unable start-up, in addition, when equipment stop work, 6 tolerance of air compressor machine can in time be closed to solenoid valve 19, compressed air in 6 gas holders of air compressor machine when preventing backwash pump 16 to close continues to get into dissolved air tank 7, and then gets into 16 pump cavities of backwash pump, leads to backwash pump 16 unable start-up.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims (5)

1. An air floatation device for wastewater treatment is characterized by comprising a coagulation area, an air dissolving area, a slag scraping area and a clear water area which are arranged inside a box body, and a slag scraping machine, an air compressor and a gas dissolving tank which are arranged outside the box body, wherein a water inlet is formed in the upper part of the box body on one side of the coagulation area, a water outlet is formed in the bottom of the clear water area, a first partition plate is arranged between the coagulation area and the air dissolving area, the lower parts of the coagulation area and the air dissolving area are communicated, a second partition plate is arranged between the air dissolving area and the slag scraping area, the upper parts of the air dissolving area and the slag scraping area are communicated, a third partition plate is arranged between the slag scraping area and the clear water; a slag scraper is arranged above the box body, a slag discharge port is fixedly arranged in the slag scraping area, and the bottom of the slag scraping area is also connected with a dissolved air tank through an external backflow pipeline; the air compressor machine is connected through the trachea line with the dissolved air jar that sets up fixedly on the box, still installs the solenoid valve on the trachea line of air compressor machine exit end.
2. The air flotation device for wastewater treatment according to claim 1, wherein a stirring paddle is arranged in the coagulation zone, and the stirring paddle is connected with a coagulation pump above the box body.
3. The air flotation apparatus for wastewater treatment according to claim 1, wherein a circulation pump is further installed on the bottom circulation pipeline of the residue scraping zone.
4. The air floatation apparatus for wastewater treatment of claim 1, wherein the deslagging port is located on the side of the upper opening of the third partition wall.
5. The air flotation device for wastewater treatment according to claim 1, wherein a releaser is arranged in the dissolved air zone and is connected with the dissolved air tank through a pipeline.
CN201921943251.8U 2019-11-12 2019-11-12 A air supporting equipment for waste water treatment Active CN211595087U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921943251.8U CN211595087U (en) 2019-11-12 2019-11-12 A air supporting equipment for waste water treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921943251.8U CN211595087U (en) 2019-11-12 2019-11-12 A air supporting equipment for waste water treatment

Publications (1)

Publication Number Publication Date
CN211595087U true CN211595087U (en) 2020-09-29

Family

ID=72587620

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921943251.8U Active CN211595087U (en) 2019-11-12 2019-11-12 A air supporting equipment for waste water treatment

Country Status (1)

Country Link
CN (1) CN211595087U (en)

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