CN212687618U - Dissolved air flotation removing device for micro plastic particles - Google Patents
Dissolved air flotation removing device for micro plastic particles Download PDFInfo
- Publication number
- CN212687618U CN212687618U CN202021234372.8U CN202021234372U CN212687618U CN 212687618 U CN212687618 U CN 212687618U CN 202021234372 U CN202021234372 U CN 202021234372U CN 212687618 U CN212687618 U CN 212687618U
- Authority
- CN
- China
- Prior art keywords
- air
- tank
- area
- water
- sewage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a micro plastic particle dissolve gas air supporting remove device, including force (forcing) pump, air flowmeter, air hose, clean water basin, clean water pipe, sewage elevator pump, effluent water sump, sewage advance pipe, fluidflowmeter, pressure dissolve gas pitcher, manometer, bleed valve, dissolve trachea, air supporting pond, be equipped with in the air supporting pond and scrape sediment commentaries on classics brush, scum groove, basin, outlet pipe, baffle. When the air floatation device is used for removing micro plastic particles, sewage containing the micro plastic particles is lifted to an air floatation tank water inlet area by a sewage lifting pump, enters the air floatation area through the water inlet area, releases bubbles in the air floatation area through dissolved air clear water of a pressure dissolved air tank, the bubbles are combined with the micro plastic particles, the micro plastic particles float upwards, are scraped to a scum groove through a scum scraping rotary brush and are recovered, and a water phase enters a water outlet area through the bottom of a separation area, enters the water outlet groove and is discharged through a water outlet pipe. This micro plastic particle device is removed in air supporting easy operation is convenient, gets rid of efficiently, removes micro plastic particle effectual, can avoid in the sewage plastic particle to dissolve gas pitcher etc. to the force (forcing) pump and pressure and cause the harm.
Description
Technical Field
The utility model belongs to the technical field of contain little plastics sewage treatment, a dissolved air flotation remove device of little plastic granules is related to.
Background
Micro-plastic refers to plastic chips or particles less than 5.0mm in size. The micro plastic is degraded very slowly and can exist in the environment for a long time, so that persistent pollution is caused. Micro-plastics in water can cause damage to organisms through ingestion and the food chain. At present, researches on micro plastic particles mainly focus on pretreatment technologies, technologies and devices for effectively removing the micro plastic particles in water are less researched, manual sorting is mainly used, the method is time-consuming and labor-consuming, and the scale requirements cannot be met. Therefore, the device and the method for efficiently removing the micro-plastic particles in the water have wide application prospect in solving the problem of micro-plastic pollution in the water environment.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a micro plastic particle dissolves gas air supporting remove device, solves among the prior art in the sewage plastic particle to the force (forcing) pump and pressure dissolve gas pitcher etc. and cause the harm, the problem of easy jam.
The utility model discloses technical scheme as follows:
a dissolved air floatation removing device for micro plastic particles comprises a pressurizing pump, a pressure dissolved air tank, a sewage lift pump and an air floatation tank; the inner cavity of the air flotation tank is divided into a water inlet area, an air flotation area, a separation area and a water outlet area by a first partition plate, a second partition plate and a third partition plate, the water inlet area is communicated with the bottom of the air flotation area, the top of the air flotation area is communicated with the separation area, and the separation area is communicated with the bottom of the water outlet area; a residue scraping rotating brush is arranged above the separation area of the air floatation tank and can scrape the micro plastic particles in the air floatation tank into a residue floating groove arranged beside the air floatation tank; the pressure pump is connected with the clean water tank through a clean water pipe, one end of an air pipe with an air flow meter is connected with the clean water pipe, the pressure pump is connected with a pressure dissolved air tank through a water-air mixing pipe, and the pressure dissolved air tank is connected with a dissolved air clean water pipe and extends into an air floatation area of the air floatation tank; air and clean water are injected into a pressure dissolved air tank through a pressure pump, and the dissolved air clean water in the pressure dissolved air tank is delivered into an air floatation area of the air floatation tank after being stabilized by an air release valve arranged at the top of the pressure dissolved air tank; the sewage lifting pump is connected with the sewage tank through a sewage inlet pipe, and the sewage lifting pump is communicated with the water inlet area of the air floatation tank through a sewage conveying pipe with a liquid flow meter.
And a water outlet groove is arranged at the upper part of a water outlet area in the air floatation tank and is connected with a water outlet pipe outside the air floatation tank.
A dissolved air floatation removing method of micro plastic particles uses the device to remove the dissolved air floatation of the micro plastic particles, and comprises the following steps:
(1) introducing sewage containing micro plastic particles into a water inlet area through a sewage inlet pipe, a sewage lifting pump and a sewage conveying pipe, and then introducing the sewage into an air flotation area through the bottom of the partition plate;
(2) air and clean water are sent into a pressure dissolved air tank through a pressure pump and a water-gas mixing pipe, and the dissolved air clean water in the pressure dissolved air tank is sent into an air floating area after being stabilized by an air release valve arranged at the top of the pressure dissolved air tank;
(3) in the air flotation zone, dissolved air clear water is mixed and contacted with sewage, air forms bubbles, and the bubbles attach to micro plastic particles and rise to enter a separation zone;
(4) the micro plastic particles in the separation zone float up to the surface of the water body along with the bubbles and are scraped into a scum groove by a scum scraping rotary brush;
(5) the water at the bottom layer in the separation area enters the water outlet area and flows out of the water outlet pipe through the water outlet groove.
Compared with the prior art, the utility model has the advantages that: clear water air mixture is carried to pressure by the force (forcing) pump and dissolves the gas pitcher and form and dissolve gas clear water, dissolves the gas clear water and forms the little plastic pellet combination in bubble formation bubble and the sewage in the air supporting district in air supporting pond, and the sewage that contains little plastic pellet need not dissolve the gas pitcher through force (forcing) pump entering pressure, has avoided little plastic pellet to dissolve the harm of gas pitcher to force (forcing) pump and pressure, and is difficult for blockking up, improves life, suitable using widely.
Drawings
FIG. 1 is a schematic structural view of a dissolved air floatation device for removing micro plastic particles according to the present invention;
wherein: 1-a pressure pump; 2-an air flow meter; 3-an air pipe; 4-a clean water tank; 5-a clean water pipe; 6-water-gas mixing pipe; 7-sewage lift pump; 8-a sewage tank; 9-sewage inlet pipe; 10-a liquid flow meter; 11-sewage conveying pipe; 12-pressure dissolved air tank; 13-pressure gauge; 14-a purge valve; 15-dissolved air clear water pipe; 16-a first partition plate; 17-a water inlet area; 18 an air flotation zone; 19-a separation zone; 20, a water outlet area; 21-scraping slag and rotating the brush; 22-a scum trough; 23-a water outlet groove; 24-a water outlet pipe; 25-an air floatation tank; 26-a second separator plate; 27-partition three.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1, a dissolved air floatation removing device for micro plastic particles comprises a pressure pump 1, a pressure dissolved air tank 12, a sewage lift pump 7 and an air floatation tank 25, wherein the pressure pump 1 is connected with a clean water tank 4 through a clean water pipe 5, one end of an air pipe 3 with an air flow meter 2 is connected with the clean water pipe 5, the pressure pump 1 is connected with the pressure dissolved air tank 12 through a water-air mixing pipe 6, and the pressure dissolved air tank 12 is connected with the air floatation tank 25 through a dissolved air clean water pipe 15; air and clean water are injected into a pressure dissolved air tank 12 through a booster pump 1, and the dissolved air clean water in the pressure dissolved air tank 12 is stabilized in pressure through an air release valve 14 arranged at the top of the pressure dissolved air tank 12 and then is sent into an air floatation tank 25; the sewage lifting pump 7 is connected with a sewage tank 8 through a sewage inlet pipe 9, and the sewage lifting pump 7 is connected with an air floatation tank 25 through a sewage conveying pipe 11 with a liquid flow meter 10.
The inner cavity of the air flotation tank 25 is divided into a water inlet area 17, an air flotation area 18, a separation area 19 and a water outlet area 20 by a first partition plate 16, a second partition plate 26 and a third partition plate 27; a residue scraping rotary brush 21 is arranged above the air floatation tank 25, and the residue scraping rotary brush 21 can scrape micro plastic particles in the air floatation tank 25 into a residue floating groove 22 arranged beside the air floatation tank 25.
The upper part of the water outlet area 20 in the air floatation tank 25 is provided with a water outlet groove 23, and the water outlet groove 23 is connected with a water outlet pipe 24 outside the air floatation tank 25.
During operation, start booster pump 1, sewage elevator pump 7:
firstly, introducing sewage containing micro plastic particles into a water inlet area 17 through a sewage inlet pipe 9, a sewage lifting pump 7 and a sewage conveying pipe 11, and then introducing the sewage into an air flotation area 18 through the bottom of a partition plate 16;
secondly, air and clean water are sent into a pressure dissolved air tank 12 through a booster pump 1 and a water-air mixing pipe 6, and the dissolved air clean water in the pressure dissolved air tank 12 is sent into an air floating area 18 after being stabilized by an air release valve 14 arranged at the top of the pressure dissolved air tank 12;
thirdly, in the air flotation zone 18, dissolved air clear water is mixed and contacted with sewage, air forms bubbles, and the bubbles attach micro plastic particles and rise to enter a separation zone 19;
(IV) the micro plastic particles in the separation zone 19 float up to the surface of the water body along with the bubbles and are scraped into a scum groove 22 by a scum rotary brush 21;
and (V) the water in the bottom layer in the separation zone 19 enters the water outlet zone 20 and flows out from the water outlet pipe 24 through the water outlet groove 23.
The invention has been described above by way of example, and it should be noted that any simple variants, modifications or other equivalent substitutions by a person skilled in the art without spending creative effort may fall within the scope of protection of the present invention without departing from the core of the present invention.
Claims (2)
1. The utility model provides a dissolved air flotation remove device of micro plastic granules which characterized in that: comprises a pressure pump (1), a pressure dissolved air tank (12), a sewage lifting pump (7) and an air floating pool (25); the inner cavity of the air floatation tank (25) is divided into a water inlet area (17), an air floatation area (18), a separation area (19) and a water outlet area (20) by a first partition plate (16), a second partition plate (26) and a third partition plate (27), the water inlet area (17) is communicated with the bottom of the air floatation area (18), the top of the air floatation area (18) is communicated with the separation area (19), and the separation area (19) is communicated with the bottom of the water outlet area (20); a residue scraping rotary brush (21) is arranged above the separation area (19) of the air floatation tank (25), and the residue scraping rotary brush (21) can scrape micro plastic particles in the air floatation tank (25) into a residue scraping groove (22) arranged beside the air floatation tank (25); the pressure pump (1) is connected with the clean water tank (4) through a clean water pipe (5), one end of an air pipe (3) with an air flow meter (2) is connected with the clean water pipe (5), the pressure pump (1) is connected with a pressure dissolved air tank (12) through a water-air mixing pipe (6), and the pressure dissolved air tank (12) is connected with a dissolved air clean water pipe (15) and extends into an air floatation area (18) of the air floatation tank (25); air and clean water are injected into a pressure dissolved air tank (12) through a pressure pump (1), and the dissolved air clean water in the pressure dissolved air tank (12) is delivered into an air floatation area (18) of an air floatation tank (25) after being stabilized by an air release valve (14) arranged at the top of the pressure dissolved air tank (12); the sewage lifting pump (7) is connected with the sewage tank (8) through a sewage inlet pipe (9), and the sewage lifting pump (7) is communicated with a water inlet area (17) of the air floatation tank (25) through a sewage conveying pipe (11) with a liquid flowmeter (10).
2. The apparatus for dissolved-air flotation removal of micro plastic particles as claimed in claim 1, wherein: the upper part of the water outlet area (20) in the air floatation tank (25) is provided with a water outlet groove (23), and the water outlet groove (23) is connected with a water outlet pipe (24) outside the air floatation tank (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021234372.8U CN212687618U (en) | 2020-06-29 | 2020-06-29 | Dissolved air flotation removing device for micro plastic particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021234372.8U CN212687618U (en) | 2020-06-29 | 2020-06-29 | Dissolved air flotation removing device for micro plastic particles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212687618U true CN212687618U (en) | 2021-03-12 |
Family
ID=74894789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021234372.8U Active CN212687618U (en) | 2020-06-29 | 2020-06-29 | Dissolved air flotation removing device for micro plastic particles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212687618U (en) |
-
2020
- 2020-06-29 CN CN202021234372.8U patent/CN212687618U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108503072B (en) | Effluent treatment plant of ship exhaust gas desulfurization system | |
| CN105833578B (en) | Water treatment facilities and system | |
| CN101264950A (en) | Method for removing blue algae by air-float | |
| CN201334406Y (en) | Integrated water treatment device for surface water and sewage treatment | |
| CN102642884A (en) | Oil-contained sewage treatment method and eddy energy fast-cyclone separating system of special equipment for method | |
| CN111704188A (en) | Dissolved air flotation removing device and method for micro plastic particles | |
| CN101391824A (en) | Aggregation sinking and emerging treatment device for oilfield produced waste water | |
| CN102774921B (en) | Nanometer (NM) gas floating system device | |
| CN212687618U (en) | Dissolved air flotation removing device for micro plastic particles | |
| CN101575124B (en) | Rotary dissolving air flotation purifier | |
| CN111359272B (en) | Cleaning device for residual water pond sediment mud | |
| CN103754986A (en) | Oil stain mixture separating system | |
| CN204607760U (en) | A kind of new-type air-floatation mud discharging device | |
| CN105645500A (en) | Efficient air floating treatment equipment | |
| CN206607098U (en) | One kind cleaning HDPE reclaimed materials sewage disposal systems | |
| CN201729725U (en) | Oilfield-produced sewage aggregation and floating-sinking processing device | |
| CN212476431U (en) | Oil field hypersalinity sewage treatment plant | |
| CN203112545U (en) | Cavitation air floatation system | |
| CN210710835U (en) | Air floatation equipment for treating coking wastewater | |
| JP7423414B2 (en) | Carrier separation device, operating method of carrier separation device, multistage carrier separation device, and anaerobic treatment device | |
| CN107473440A (en) | A kind of device for improving ozone utilization rate in multistage ozone air-float technique | |
| CN208218448U (en) | A kind of spraying waste water air-floating processing apparatus | |
| CN2908469Y (en) | Treatment system for flushing waste water of oil field | |
| CN106495366B (en) | Device and method for treating coal gasification wastewater | |
| JP4908542B2 (en) | Filtration method, filtration device and filtration pond |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |